CN102392519B

CN102392519B - Pressing fastened type lock plate and fastening method

Info

Publication number: CN102392519B
Application number: CN201110296167.3A
Authority: CN
Inventors: 张家铭; 张棋惠; 许倍嘉
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-30
Filing date: 2011-09-30
Publication date: 2015-08-19
Anticipated expiration: 2031-09-30
Also published as: WO2013044758A1; CN102392519A

Abstract

A kind of pressing fastened type lock plate and fastening method, this limit, sheet unit two opposite sides is formed with tenon and tongue-and-groove respectively, this tenon lower edge is provided with a lower protruding block, it is inclined-plane in inside this lower protruding block, this tongue-and-groove bottom surface forms a low groove, between this low groove and side, form a lock catch block, and form a wedged bottom wall at this low groove by inside lock catch block; One first raised line is formed at the upper cell wall of this tongue-and-groove and internal groove side wall junction, the side of this first raised line is one lean face, with the sheet unit that the sheet unit of tenon is pushed to tongue-and-groove at same plane, this tenon starts to enter in tongue-and-groove, what the lateral surface of this tenon can lean in tongue-and-groove the first raised line leans on face, simultaneously the lower protruding block of its tenon namely enter tongue-and-groove low groove above in scope, allow the interior inclined-plane of tenon lower protruding block contact with the wedged bottom wall of tongue-and-groove low groove, then can adopt the mode of pressing to carry out the fastening between sheet unit.

Description

Pressing fastened type lock plate and fastening method

Technical field:

The present invention relates to a kind of board with fastener, it can be the sheet material of the sliceable assembling such as floor or wallboard, particularly sheet unit side is provided with tenon and tongue-and-groove and can allows sheet unit can the sheet material of snap close mutually when splicing.

Background technology:

Grooved and tongued floor is used quite permanent, its package assembly is also applied to wallboard or similar sheet material, the present explains for floor, grooved and tongued floor is easy to assembly and can allow between sheet unit and be interconnected combination, so extensively adopt by customer, the carrying out research improvement that relevant dealer also does one's utmost, wish to design the product having more practicality, with CN200610201430.5 Chinese invention patent application case, namely it belong to a kind of structure-improved of traditional type grooved and tongued floor, can be reclined mutually in same level by two sheet units and combine during its assembling, but the grooved and tongued floor of this type of traditional type is when assembling completes, can form crown distortion or gap space between its sheet unit because of sheet material moisture expansion and drying shrinkage phenomenon, product can allow people feel result of use and be not improved.

In order to solve this problem, someone have devised CN01214121.6 Chinese utility model patent case, this structure can two sheet units fit in conjunction with time, a kind of auto-lock function is provided, two sheet units can firmly be connected, but because this kind of structure design cannot carry out volume production with automatic high-speed process equipment, so do not seeing Related product appearance on the market yet; Another kind of design is namely as CN02124731.5 and CN201010580430.7 Chinese invention patent case, it is coated with viscose glue on the joint tongue and/or link slot of sheet unit, so as to providing the effect can combined closely mutually after combining between sheet unit, the floor that only this class a operation viscose glue combines is bonded fixing in laying afterwards, except non-demolition floor tongue-and-groove structure, otherwise cannot disassemble, this assembles utilization after namely making such floor to dismantle separately, in addition the use of viscose glue also can cause negative effect to environment, the design of aobvious imperfections.

The another tongue-and-groove structure proposing another kind of different types in CN200520060450.6 and CN201020286029.8 Chinese utility model patent case, such design provides the combination between two sheet units with an arc latched structure, it does not need to use viscose glue to provide the combination between sheet unit, there is preferably practicality, only a sheet unit must tilt when combining and just can be bonded to another sheet unit side in skewed by such design, this design has certain puzzlement in sheet unit assembling, because its carry out again after long limit, floor combines location floor minor face in conjunction with time, because floor minor face cannot tilt in skewed again, namely cannot assemble, so its floor minor face can only adopt traditional tongue and groove to assemble, and effect of snap close cannot be reached, and for example described in CN200520060450.6 Chinese utility model patent case, the lower body part of its sheet unit floor minor face snap close flatly be cut sub-fraction by one, the level of being beneficial to is knocked in, otherwise after long limit, floor combines location, namely cannot carry out the combination of floor minor face again.

Be exactly that the series such as the CN97190692.0 that gets permission of Uniling Management Pte B.V " floor be made up of hard sheet unit and manufacture the method for this sheet unit " Chinese invention patent case is (corresponding to the said firm Unilin Beheer BV obtains in the U.S. 6 in addition, 874, No. 292 are waited series " Floor panelswith edge connectors " United States Patent (USP) case), this series of patents application case has more than 20 parts so far, its basic framework is all identical, it has the coupling part be made up of tongue and groove, and on this coupling part, be provided with overall mechanical locking, throwing off with being parallel to be interconnected on the following direction of sheet unit perpendicular to relevant edge to prevent two pieces of interconnective sheet units, certainly, its characteristic is to be arranged on the protuberance on tongue soffit, be arranged on the groove on the lower projection of groove and elastically bendable lower projection, it is allowed to interconnect when allowing it relatively pass described sheet unit with a kind of planar fashion.This design can be entered after in sheet material groove by tongue oblique cutting when allowing sheet unit be interconnected, interconnect for fulcrum rotates the mode that sheet material presses down and plane is passed mutually with ligule tenon, and prevented from throwing off by its mechanical locking, because its be adopt rotating down pressing, mode that plane is passed mutually to be to carry out the assembling between sheet unit, so carry out again after long limit combines location minor face in conjunction with time, still horizontal sliding can combine, there is its practicality really.Only this kind of design is when the mode assembly and connection sheet unit adopting plane mutually to pass, it must to strengthen the lower projection elastic deformation that horizontal sliding strength forces groove, namely this need suitable propelling strength to carry out, especially adopted on long limit inclination assembling mode by its coupling part combine location and for carry out minor face in conjunction with time, its minor face can only combine with plane phase driven mode, now constructor often can must allow corresponding minor face be assembled to location in the mode of knocking by another side, namely it operationally have inconvenience, also likely damage by the lower projection of the side tongue that knocks or groove when knocking simultaneously, and then have influence on follow-up sheet material assembly working, obviously it still has the necessity improved.

Another just seen on the market at present latched floor, although the tenon that Ge Jia manufacturer adopts, groove structure is different, but the tenon that these floors are set on its long limit, tenon set on groove and minor face, the shape of groove is not identical, with CN200520060450.6 Chinese utility model patent case, snap close main body on its long limit is an arc latched structure, only a sheet unit must tilt when combining and just can be bonded to another sheet unit side in skewed by such design, this design is when sheet unit is assembled, its long limit, floor with tilt in skewed be bonded to location after, carry out again floor minor face in conjunction with time, because floor minor face cannot tilt in skewed again, namely cannot assemble, so its floor minor face can only adopt different structures, the lower body part of the sheet unit floor minor face snap close in this Patent Case flatly be cut sub-fraction by one, the level of being beneficial to is knocked in, otherwise after long limit, floor combines location, namely cannot carry out the combination of floor minor face again, namely this make manufacturer that the knife-edge cutter of more different structure designs must be adopted can to carry out tenon, the slot machining of different structure, certainly, the cutter of different knife-edge certainly will add Cutting tool installation manner when processing and the inconvenience of adjusting, and this design also for existing sheet material tenon, groove structure existing for lacks.

Summary of the invention:

The problem to be solved in the present invention is to overcome the some shortcomings of sheet material construction inconvenience when assembling of tool latching function in prior art.

The invention provides a kind of pressing fastened type lock plate, this sheet material is assembled by rectangular sheet unit, this sheet unit has one first plane, one second plane and four sides, at least two relative sides are formed with tenon and tongue-and-groove respectively wherein, the tenon of different plates unit and tongue-and-groove can fasten mutually, it is characterized in that:

The tenon protruded outside this side is formed at this sheet unit one side, this tenon has an end face, a lateral surface, a lower protruding block is provided with at this tenon lower edge, it is an outer inclined-plane outside this lower protruding block, be inclined-plane in inside this lower protruding block, between this lower protruding block and side, form the snap close ditch that a section is acute angle;

Recessed tongue-and-groove is formed at another side of this sheet unit, this tongue-and-groove can accommodating aforementioned tenon, this tongue-and-groove has cell wall on, an internal groove side wall, a low groove is formed in this tongue-and-groove bottom surface, this low groove can accommodating aforementioned lower protruding block, between this low groove and side, form a section is acute angle lock catch block, and form a wedged bottom wall at this low groove by inside lock catch block, this lock catch block can be contained in aforementioned snap close ditch; Being formed with one first raised line at the upper cell wall of this tongue-and-groove and internal groove side wall junction, is a stop surface in the bottom surface of this first raised line, and side is one lean face;

Horizontal range between the lower protruding block minimum point of this tenon with the vertical extension line of lateral surface peak of its tenon is less than the horizontal range between the vertical extension line of the face that leans minimum point of tongue-and-groove lock catch block peak and this first raised line;

Horizontal range between the lower protruding block minimum point of this tenon with the vertical extension line of lateral surface peak of its tenon is greater than the horizontal range between the vertical extension line of the face that leans minimum point of tongue-and-groove wedged bottom wall minimum point and the first raised line.

Whereby, sheet unit with tenon shifts to sheet unit with tongue-and-groove at same plane, this tenon starts to enter in tongue-and-groove, the lateral surface of this tenon can lean and lean on face at another sheet unit first raised line, simultaneously the lower protruding block of its tenon namely enter another sheet unit tongue-and-groove low groove above in scope, allow the interior inclined-plane of tenon lower protruding block contact with the wedged bottom wall of another sheet unit tongue-and-groove low groove, namely cannot continue to push to another sheet unit with tongue-and-groove at same plane in this state with the sheet unit of tenon; Then namely the fastening between sheet unit is carried out in the mode of pressing.

The end face of described tenon and side junction are formed with one first convex rank, are a stop surface at the end face on these the first convex rank, and side is one lean face.

Above described tenon side outermost and its tenon the vertical extension line of outer side edges peak between horizontal range be greater than side outermost and the first raised line above tongue-and-groove and lean the horizontal range between the vertical extension line of face minimum point.

Above described tenon side outermost and its tenon the vertical extension line of lateral surface peak between horizontal range be less than horizontal range between the extension line vertical with internal groove side wall peak of side outermost above tongue-and-groove.

Described tenon is arranged in tongue-and-groove and fastens positioning states, and the stop surface of this tenon end face and the first raised line leans, and stop surface and the upper cell wall on the first convex rank lean, and lock catch block is snapped in snap close ditch, and interior inclined-plane and the tongue-and-groove wedged bottom wall of this tenon lower protruding block lean.

The outer inclined-plane of described lower protruding block and interior inclined-plane are cambered surface.

On described tongue-and-groove, the junction, the face that leans of cell wall and the first raised line is formed with again one second raised line, and the bottom surface of this second raised line is a stop surface, and side is one lean face.

The end face of described tenon and side junction are formed with one first convex rank and one second convex rank, are a stop surface at the end face on these the first convex rank, and side is one lean face, is a stop surface at the end face on these the second convex rank, and side is one lean face.

Above described tenon, side outermost is greater than side outermost and the second raised line above tongue-and-groove with its first convex rank horizontal range leaned between the vertical extension line of face peak and leans the horizontal range between the vertical extension line of face minimum point.

Above described tenon, side outermost is less than side outermost and the first raised line above tongue-and-groove with its first convex rank horizontal range leaned between the vertical extension line of face peak and leans the horizontal range between the vertical extension line of face peak.

Described tenon is arranged in tongue-and-groove and fastens positioning states, the stop surface of this tenon end face and the first raised line) lean, the stop surface on the first convex rank and the stop surface of the second raised line lean, stop surface and the upper cell wall on the second convex rank lean, lock catch block is snapped in snap close ditch, and interior inclined-plane and the tongue-and-groove wedged bottom wall of this tenon lower protruding block lean.

The comparatively top side retraction of side below this tenon described, the horizontal range of its retraction is less than 25% of sheet unit thickness.

The side of this tongue-and-groove upper and lower described is on same vertical plane.

The side of side above described tongue-and-groove comparatively below this tongue-and-groove is recessed into, and this tongue-and-groove is formed in this side edge and forms a section in L-shaped; The side of side above this tenon corresponding comparatively below this tenon protrudes, and this tenon is formed in this side edge and forms one in inverted L-shaped section.

Described tenon is arranged in tongue-and-groove and fastens positioning states, and the end face of this tenon and the stop surface of the first raised line lean, and this lock catch block is snapped in snap close ditch, and interior inclined-plane and the tongue-and-groove wedged bottom wall of this tenon lower protruding block lean.

The outer inclined-plane of this lower protruding block described and interior inclined-plane are inclined-plane.

The stop surface that the outermost end of described tenon end face to the distance between interior inclined-plane to any point that wedged bottom wall leans is greater than tongue-and-groove first raised line and the distance leaned between face interface point to the corresponding point leant of wedged bottom wall.

Described two sheet units are at same plane in time contacting, and its contact position at least side is inclined-plane.

Described two sheet units, are contacted with tongue-and-groove lock catch block in the outer inclined-plane tilted by this tenon at same plane in time contacting.

A guide surface tilted is formed outside this lock catch block between the peak of this lock catch block described and side.

Described two sheet units, are contacted with the guide surface of tongue-and-groove lock catch block in the outer inclined-plane tilted by this tenon at same plane in time contacting.

The present invention provides again a kind of pressing fastened type lock plate, this sheet material is assembled by rectangular sheet unit, this sheet unit has one first plane, one second plane and four sides, at least two relative sides are formed with tenon and tongue-and-groove respectively wherein, the tenon of different plates unit and tongue-and-groove can fasten mutually, it is characterized in that:

The tenon protruded outside this side is formed at this sheet unit one side, this tenon has an end face, a lateral surface, a lower protruding block is provided with at this tenon lower edge, it is an outer inclined-plane outside this lower protruding block, be inclined-plane in inside this lower protruding block, between this lower protruding block and side, form the snap close ditch that a section is acute angle; Being formed with one first convex rank at the end face of this tenon and side junction, is a stop surface at the end face on these the first convex rank, and side is one lean face;

Recessed tongue-and-groove is formed at another side of this sheet unit, this tongue-and-groove has cell wall on, an internal groove side wall, a low groove is formed in this tongue-and-groove bottom surface, this low groove can accommodating aforementioned lower protruding block), between this low groove and side, form a section is acute angle lock catch block, form a wedged bottom wall at this low groove by inside lock catch block, this lock catch block can be contained in aforementioned snap close ditch;

The lower protruding block minimum point of this tenon is greater than tongue-and-groove lock catch block peak and the horizontal range above this tongue-and-groove between the vertical extension line of side minimum point with the first convex rank horizontal range leaned between the vertical extension line of face peak of its tenon;

The lower protruding block minimum point of this tenon is less than tongue-and-groove wedged bottom wall minimum point and the horizontal range above this tongue-and-groove between the vertical extension line of side minimum point with the first convex rank horizontal range leaned between the vertical extension line of face peak of its tenon;

Whereby, sheet unit with tenon shifts to sheet unit with tongue-and-groove at same plane, this tenon starts to enter in tongue-and-groove, first convex rank of this tenon lean face and lean side edge above tongue-and-groove, simultaneously the lower protruding block minimum point of its tenon enter another sheet unit tongue-and-groove low groove above in scope, allow the interior inclined-plane of tenon lower protruding block contact with the wedged bottom wall of another sheet unit tongue-and-groove low groove, namely cannot continue to push to another sheet unit with tongue-and-groove at same plane in this state with the sheet unit of tenon; Then namely the fastening between sheet unit is carried out in the mode of pressing.

Described tenon is arranged in tongue-and-groove and fastens positioning states, and on the stop surface on these the first convex rank and tongue-and-groove, cell wall leans, and this lock catch block is snapped in snap close ditch, and interior inclined-plane and the tongue-and-groove wedged bottom wall of this tenon lower protruding block lean.

The invention provides a kind of fastening method of pressing fastened type lock plate, this sheet material is assembled by rectangular sheet unit, this sheet unit has one first plane, one second plane and four sides, at least two relative sides are formed with tenon and tongue-and-groove respectively wherein, the tenon of different plates unit and tongue-and-groove can fasten mutually, wherein:

Recessed tongue-and-groove is formed at another side of this sheet unit, this tongue-and-groove has cell wall on, an internal groove side wall, a low groove is formed in this tongue-and-groove bottom surface, this low groove can accommodating aforementioned lower protruding block, between this low groove and side, form a section is acute angle lock catch block, form a wedged bottom wall at this low groove by inside lock catch block, this lock catch block can be contained in aforementioned snap close ditch;

Sheet unit with tenon shifts to sheet unit with tongue-and-groove at same plane, this tenon starts to enter in tongue-and-groove, above the low groove that the lower protruding block minimum point of its tenon enters another sheet unit tongue-and-groove in scope, the interior inclined-plane of tenon lower protruding block is allowed to contact with the wedged bottom wall of another sheet unit tongue-and-groove low groove, then with the sheet unit edge force of the mode of pressing to band tenon, make the wedged bottom wall guided of interior inclined-plane via tongue-and-groove low groove of tenon lower protruding block, the fastening allowing tenon enter in tongue-and-groove is located.

A kind of pressing fastened type lock plate provided by the invention and fastening method, it can when two sheet units recline to assembling location, exert a force in pressing mode, locker between two sheet units is interlocked, make being assembled of sheet unit more convenient, it singly can not be used in field, floor easily, simultaneously also can be appropriate be used in wallboard or similar field, because the present invention does not need the another side of sheet unit to stick up to assemble when assembling, so mutually isostructural tenon and groove can be arranged on long limit and the minor face place of sheet unit simultaneously, that is sheet unit of the present invention only can need be processed to the long limit of sheet unit and minor face with the cutter of identical knife-edge, cutter utilization and adjust all more existing design and have more progressive, separately due to the fastening method that Pressing fastener of the present invention is box-like, this sheet unit Variety, Arrangement can be gone out various different arrangement assembling form, again because the present invention is when being assembled to the location of the fastening in tongue-and-groove by tenon, press mode to exert a force, thus need not carry out at sheet unit the opposite side assembled, use instrument knocks, so the present invention can not cause the damage of opposite side tenon, groove when assembling, more can not have influence on follow-up sheet material assembling processing, there is outstanding feature and significant progressive.

Accompanying drawing illustrates:

Fig. 1 is the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate first of the present invention preferred embodiment.

Fig. 2,3,4,5,6,8 is the assembling process generalized section of the present invention first preferred embodiment in Fig. 1.

Fig. 7 is the enlarged schematic partial view of the present invention first preferred embodiment in Fig. 6.

Fig. 9 is the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate second of the present invention preferred embodiment.

Figure 10,11,12,13,15 is the assembling process generalized section of the present invention second preferred embodiment in Fig. 9.

Figure 14 is the enlarged schematic partial view of the present invention second preferred embodiment in Figure 13.

Figure 16 is the sheet unit part isometric structural representation of the present invention second preferred embodiment.

Figure 17 is the enlarged schematic partial view of the present invention second preferred embodiment in Figure 16.

Figure 18 is the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 3rd preferred embodiment.

Figure 19 to Figure 24 is the assembling process generalized section of the present invention the 3rd preferred embodiment in Figure 18.

Figure 25 is the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 4th preferred embodiment.

Figure 26 to Figure 31 is the assembling process generalized section of the present invention the 4th preferred embodiment in Figure 25.

Figure 32 is the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 5th preferred embodiment.

Figure 33,34,35,36,38,39 is the assembling process generalized section of the present invention the 5th preferred embodiment in Figure 32.

Figure 37 is the enlarged schematic partial view of the present invention the 5th preferred embodiment in Figure 36.

Figure 40 is the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 6th preferred embodiment.

Figure 41 to Figure 45 is the assembling process generalized section of the present invention the 6th preferred embodiment in Figure 40.

Figure 46 is the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 7th preferred embodiment.

Figure 47 is the generalized section being assembled to half of the present invention the 7th preferred embodiment in Figure 46.

Figure 48 is that the assembling of the present invention the 7th preferred embodiment in Figure 46 completes generalized section.

Figure 49 is that strip sheet material of the present invention assembling is arranged in the embodiment schematic diagram arranged in the same way.

Figure 50 is the embodiment schematic diagram that bar shaped sheet material of the present invention assembling is arranged in the crisscross type of 3 × 3 square.

Figure 51 is the embodiment schematic diagram that bar shaped sheet material of the present invention assembling is arranged in tandem, the horizontally-arranged type that is staggered.

Figure 52 is the another kind of embodiment assembling schematic diagram that sheet material of the present invention assembling is arranged in tandem, the horizontally-arranged type that is staggered.

Figure 53 is Figure 52 part-structure enlarged diagram.

Detailed description of the invention:

Pressing fastened type lock plate of the present invention is rectangular, has one as first plane, on surface relative to the second plane of the first plane and four sides, at least two relative sides is formed with tenon and tongue-and-groove respectively wherein.

Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.

First preferred embodiment:

With pressing fastened type lock plate first preferred embodiment side elevational cross-section structural representation of the present invention shown in Fig. 1, the tenon 30 protruded outside this side 12 is formed at this sheet unit 10 1 side 12, this tenon 30 has end face 34, lateral surface 35, a lower protruding block 300 is provided with at this tenon 30 lower edge, it is an outer inclined-plane 301 outside this lower protruding block 300, be inclined-plane 302 in inside this lower protruding block 300, between this lower protruding block 300 and side 12, form the snap close ditch 37 that a section is acute angle; Separately being formed with one first convex rank 31 at tenon 30 end face 34 of this first preferred embodiment with side 12 junction, is a stop surface 311 at the end face on these the first convex rank 31, and side is one lean face 312;

By the side 12 can seen in Fig. 2 below this tenon 30 comparatively top side 12 retraction, the horizontal range X of its retraction is less than 25% of sheet unit 10 thickness;

The outer inclined-plane 301 of this lower protruding block 300 and interior inclined-plane 302 are cambered surface in this first preferred embodiment;

Recessed tongue-and-groove 40 is formed at another side 14 of this sheet unit 10, this tongue-and-groove 40 has cell wall 44, internal groove side wall 45 on, a low groove 400 is formed in this tongue-and-groove 40 bottom surface, between this low groove 400 and side 14, form a section is acute angle lock catch block 47, forms a wedged bottom wall 402 at this low groove 400 by inside lock catch block 47; On this tongue-and-groove 40, cell wall 44 and internal groove side wall 45 junction are formed with one first raised line 41, are a stop surface 411 in the bottom surface of this first raised line 41, and side is one lean face 412; On same vertical plane by seeing at the side 14 of this tongue-and-groove 40 upper and lower in figure.

Cell wall 44 on tongue-and-groove 40 can be seen be formed with a small gap be slightly recessed into upper cell wall 44 lower end of side 14 junction in figure, it still belongs to a part (following embodiment is all identical) for side 14, this small gap belongs to prior art, therefore do not add to repeat.

A guide surface tilted 140 is formed outside this lock catch block 47 between the peak and side 14 of this lock catch block 47.

Fig. 2,3,4,5,6,8 is the assembling process generalized section of the present invention first preferred embodiment in Fig. 1, show two sheet units 10 in Fig. 2 mutually close at same plane, wherein to move at same plane to another sheet unit 10 with tongue-and-groove 40 with a sheet unit 10 of tenon 30 and recline mutually;

When two sheet units 10 are that sheet unit 10 tenon 30 starts to enter in the tongue-and-groove 40 of another sheet unit 10 when same plane contacts, and the outer inclined-plane 301 of sheet unit 10 tenon 30 touches the guide surface 140 (as shown in Figure 3) of another sheet unit 10 tongue-and-groove 40 lock catch block 47;

● technical essential: two sheet units 10 same plane near contact time, its contact position at least side is inclined-plane, and two sheet units 10 can be allowed when continuing close, the edge of two sheet units 10 can be guided by the inclined-plane of its contact position to do the change of height, upwards lifted with sheet unit 10 edge of tenon 30 can be guided by inclined-plane in the first preferred embodiment in the accompanying drawings.

When the sheet unit 10 with tenon 30 continues to push the sheet unit 10 with tongue-and-groove 40 to, namely contacted to guide on this sheet unit 10 with the guide surface 140 of tongue-and-groove 40 lock catch block 47 in the outer inclined-plane 301 tilted by this tenon 30 and lift (as shown in Figure 3 to Figure 4);

When this lower protruding block 300 minimum point with the sheet unit 10 of tenon 30 moves to sheet unit 10 lock catch block 47 peak with tongue-and-groove 40 (as shown in Figure 4), namely this sheet unit 10 can not upwards be lifted again;

● technical essential: the horizontal range L1 between lower protruding block 300 minimum point of tenon 30 with the vertical extension line of lateral surface 35 peak of its tenon 30 is less than the horizontal range L2 between the vertical extension line of the face that leans 412 minimum point of tongue-and-groove 40 lock catch block 47 peak and this first raised line 41, L1 < L2 as shown in Figure 6.

When the sheet unit 10 with tenon 30 continues to push the sheet unit 10 with tongue-and-groove 40 to, namely the lower protruding block 300 of its tenon 30 falls into the low groove 400 of another sheet unit 10 tongue-and-groove 40, the interior inclined-plane 302 of tenon 30 lower protruding block 300 is allowed to contact with the wedged bottom wall 402 of another sheet unit 10 tongue-and-groove 40 low groove 400, the lateral surface 35 of this tenon 30 can lean on the face that leans 412 of another sheet unit 10 first raised line 41 (as shown in Figure 5) simultaneously, namely sheet unit 10 now with tenon 30 cannot continue to push to another sheet unit 10 with tongue-and-groove 40 at same plane, that is, based on the technical essential of above-mentioned L1 < L2, when the present invention pushes the sheet unit 10 with tongue-and-groove 40 to the sheet unit 10 of tenon 30, when the lateral surface 35 of this tenon 30 leans on the face that leans 412 of another sheet unit 10 first raised line 41, scope above the low groove 400 that the lower protruding block 300 of its tenon 30 has fallen into another sheet unit 10 tongue-and-groove 40, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10.

Shown position in Figure 5, the first convex rank 31 with the sheet unit 10 of tenon 30 lean face 312 and also just lean side 14 place above the tongue-and-groove 40 of the sheet unit 10 with tongue-and-groove 40;

In two sheet unit 10 phase approach process, before the lateral surface 35 of sheet unit 10 tenon 30 leans mutually with the face that leans 412 of another sheet unit 10 first raised line 41, only bevelled contact between two sheet units 10, quite convenient in the passing process of sheet unit 10, do not need to knock or apply large external force with instrument and force sheet unit 10 to carry out the distortion of structure;

● technical essential: the horizontal range L1 between lower protruding block 300 minimum point of tenon 30 with the vertical extension line of lateral surface 35 peak of its tenon 30 is greater than the horizontal range L3 between the vertical extension line of the face that leans 412 minimum point of tongue-and-groove 40 wedged bottom wall 402 minimum point and the first raised line 41, L1 > L3 as shown in Figure 6.

When the present invention pushes the sheet unit 10 with tongue-and-groove 40 to the sheet unit 10 of tenon 30, when the lateral surface 35 of this tenon 30 leans on the face that leans 412 of another sheet unit 10 first raised line 41, scope (as shown in Figure 5) above the low groove 400 that the lower protruding block 300 of its tenon 30 has fallen into another sheet unit 10 tongue-and-groove 40, based on the technical essential of above-mentioned L1 > L3, lower protruding block 300 minimum point of this tenon 30 not yet touches tongue-and-groove 40 wedged bottom wall 402 minimum point, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10.

● technical essential: above tenon 30 side 12 outermost and its tenon 30 the vertical extension line of lateral surface 35 peak between horizontal range L4 be greater than side 14 outermost and the first raised line 41 above tongue-and-groove 40 and lean the horizontal range L5 between the vertical extension line of face 412 minimum point, L4>L5 as shown in Figure 7.

● technical essential: above tenon 30 side 12 outermost and its tenon 30 the vertical extension line of lateral surface 35 peak between horizontal range L4 be less than horizontal range L6 above tongue-and-groove 40 between side 14 outermost with the vertical extension line of internal groove side wall 45 peak, L4<L6 as shown in Figure 7.

Then namely by two sheet unit 10 joints, the sheet unit 10 be lifted is pressed (shown in Fig. 5 arrow) downwards, now because the lateral surface 35 of this tenon 30 leans at the face that leans 412 place of tongue-and-groove 40 first raised line 41, first convex rank 31 of this tenon 30 lean face 312 and lean side 14 place above tongue-and-groove 40, allowing cannot be close again at same plane between two sheet units 10, and the interior inclined-plane 302 of tenon 30 lower protruding block 300 can exert a force to tongue-and-groove 40 wedged bottom wall 402, tongue-and-groove 40 underlying materials is forced to produce elastic deformation and allow tenon 30 relative to tongue-and-groove 40 to bottom offset,

As shown in Figure 6, when the sheet unit 10 with tenon 30 is pressed downwardly, tongue-and-groove 40 underlying materials can be forced to produce elastic deformation, and the dotted line shown in Fig. 7 enlarged schematic partial view and solid line changing unit are the part that tongue-and-groove 40 underlying materials produces elastic deformation, produce elastic deformation when tongue-and-groove 40 underlying materials and the lateral surface 35 that allows tenon 30 be moved to this tenon 30 downwards relative to tongue-and-groove 40 is staggered with the face that leans 412 of this tongue-and-groove 40 first raised line 41 and lean when the first convex rank 31 face 312 also with tongue-and-groove 40 above side 14 be staggered time, namely tenon 30 can allow lower protruding block 300 embed in the low groove 400 of this tongue-and-groove 40 because of inclined-plane in lower protruding block 300 302 and the guiding of tongue-and-groove 40 wedged bottom wall 402, that is lock catch block 47 is snapped in snap close ditch 37, simultaneously because this tongue-and-groove 40 underlying materials sets back because of the elasticity of self, make end face 34 contact of this tenon 30 below the stop surface 411 of the first raised line 41, stop surface 311 contact on these the first convex rank 31 is below upper cell wall 44, the tenon 30 between two sheet units 10 and tongue-and-groove 40 is allowed to fasten to locating (as shown in Figure 8),

The stop surface 411 of locating tenon 30 end face 34 of the present invention and the first raised line 41 at this fastening leans, stop surface 311 and the upper cell wall 44 on the first convex rank 31 lean, lock catch block 47 is snapped in snap close ditch 37, interior inclined-plane 302 and the tongue-and-groove 40 wedged bottom wall 402 of its tenon 30 lower protruding block 300 lean, because sheet unit 10 tenon 30 of the present invention is under the situation of tongue-and-groove 40 elastic deformation, tenon 30 is allowed to embed in tongue-and-groove 40, and after tenon 30 to embed among tongue-and-groove 40 location, the recoverable force of this tongue-and-groove 40 original position, the stop surface 411 that the outermost end of tenon 30 end face 34 of the present invention to interior inclined-plane 302 and the distance between any point that wedged bottom wall 402 leans is greater than tongue-and-groove 40 first raised line 41 and the distance leaned between face 412 interface point to the corresponding point leant of wedged bottom wall 402, the tenon 30 of the present invention first preferred embodiment is cannot throw off with tongue-and-groove 40 under the indeformable situation of tongue-and-groove 40, so tenon 30 of the present invention with can have splendid sheet material snap close between tongue-and-groove 40 and be connected effect.

By Fig. 2,3,4,5,6,8 is that the assembling process generalized section of the present invention first preferred embodiment in Fig. 1 and above explanation are known, sheet unit 10 of the present invention is when assembling, allow tenon between two sheet units 10 30 and tongue-and-groove 40 fasten by the strength of pressing extremely locate, it does not need to lean against conplane increasing force when assembling allows two sheet units 10 combine, so the mode of knocking will be adopted to exert a force at the another side of sheet unit 10 when assembling, nature would not cause the structural failure of another side.

From the first above preferred embodiment accompanying drawing and illustrate, the technological means that the present invention adopts is: utilize the strength of downward pressing to force the material with tongue-and-groove 40 sheet unit 10 to produce elastic deformation, allow the interior inclined-plane 302 of tenon 30 and the wedged bottom wall 402 of tongue-and-groove 40 coordinate guiding to enter to fasten and locate, it can be exerted a force in the mode that hand presses or pin is stepped on by operating personnel when actual assembled, the arrow locations force only needing operating personnel shown in fig. 6 and 7, can allow the tenon 30 between two sheet units 10 fasten to locating with tongue-and-groove 40 easily.

Second preferred embodiment:

Figure 9 shows that the sheet unit side-looking structural profile schematic diagram of pressing fastened type lock plate second of the present invention preferred embodiment, the tenon 30A protruded outside this side 12A is formed at this sheet unit 10A mono-side 12A, a lower protruding block 300A is provided with at this tenon 30A lower edge, be an outer inclined-plane 301A outside this lower protruding block 300A, be inclined-plane 302A in inside this lower protruding block 300A, between this lower protruding block 300A and side 12A, form the snap close ditch 37A that a section is acute angle, this tenon 30A has an end face 34A, a lateral surface 35A; The another end face 34A in this second preferred embodiment and side 12A junction are formed with one first convex rank 31A and one second convex rank 32A, be a stop surface 311A at the end face of this first convex rank 31A, side is one lean face 312A, be a stop surface 321A at the end face of this second convex rank 32A, side is one lean face 322A; By side 12 A that can see in figure below this tenon 30A comparatively top side 12 A retraction, the horizontal range of its retraction is less than 25% of sheet unit 10A thickness.

The outer inclined-plane 301A of this lower protruding block 300A and interior inclined-plane 302A is cambered surface in this second preferred embodiment;

Recessed tongue-and-groove 40A is formed at another side of this sheet unit 10A 14A, this tongue-and-groove 40A has cell wall 44A on, an internal groove side wall 45A, a low groove 400A is formed in this tongue-and-groove 40A bottom surface, between this low groove 400A and side 14A, form a section is acute angle lock catch block 47A, and forms a wedged bottom wall 402A at this low groove 400A by inside lock catch block 47A; The another upper cell wall 44A in this second preferred embodiment and internal groove side wall 45A junction are formed with one first raised line 41A and one second raised line 42A, be a stop surface 411A in the bottom surface of this first raised line 41A, side is one lean face 412A, be a stop surface 421A in the bottom surface of this second raised line 42A, side is one lean face 422A; The side 14A of this tongue-and-groove 40A upper and lower is on same vertical plane.

A guide surface 140A tilted is formed outside this lock catch block 47A between the peak and side 14A of this lock catch block 47A.

Figure 10,11,12,13,15 is the assembling process generalized section that in Fig. 9, the present invention second executes example, show two sheet unit 10A in Figure 10 mutually close at same plane, wherein to move at same plane to another sheet unit 10A with tongue-and-groove 40A with the sheet unit 10A of tenon 30A and recline mutually;

When two sheet unit 10A are that a sheet unit 10A tenon 30A starts to enter in the tongue-and-groove 40A of another sheet unit 10A when same plane contacts, and the outer inclined-plane 301A of a sheet unit 10A tenon 30A touches the guide surface 140A of another sheet unit 10A tongue-and-groove 40A lock catch block 47A;

● technical essential: two sheet unit 10A same plane near contact time, its contact position at least side is inclined-plane, and two sheet unit 10A can be allowed when continuing close, the edge of two sheet unit 10A can be guided by the inclined-plane of its contact position to do the change of height, upwards lifted with the sheet unit 10A edge of tenon 30A can be guided by inclined-plane in the second preferred embodiment in the accompanying drawings.

When the sheet unit 10A with tenon 30A continues to push the sheet unit 10A with tongue-and-groove 40A to, contacting to guide on this sheet unit 10A with the guide surface 140A of tongue-and-groove 40A lock catch block 47A in the outer inclined-plane 301A tilted and lift (as shown in Figure 10 to Figure 11) namely by this tenon 30A;

When this lower protruding block 300A minimum point with the sheet unit 10A of tenon 30A moves to the sheet unit 10A lock catch block 47A peak with tongue-and-groove 40A, namely this sheet unit 10A can not upwards be lifted again;

● technical essential: the horizontal range L1A between the lower protruding block 300A minimum point of tenon 30A with the vertical extension line of lateral surface 35A peak of its tenon 30A is less than the horizontal range L2A between the vertical extension line of the face that leans 412A minimum point of tongue-and-groove 40A lock catch block 47A peak and this first raised line 41A, L1A < L2A as shown in Figure 12.

When the sheet unit 10A with tenon 30A continues to push the sheet unit 10A with tongue-and-groove 40A to, namely the lower protruding block 300A of its tenon 30A enters above another sheet unit 10A tongue-and-groove 40A low groove 400A in scope, until the lateral surface 35A of this tenon 30A leans on the face that the leans 412A of another sheet unit 10A first raised line 41A (as shown in figure 12); Certainly, Figure 12 is that the state of displacement for convenience of explanation drawn, in fact because of Action of Gravity Field, the interior inclined-plane 302A of tenon 30A lower protruding block 300A can contact with the wedged bottom wall 402A of another sheet unit 10A tongue-and-groove 40A low groove 400A, and namely the sheet unit 10A now with tenon 30A cannot continue to push to another sheet unit 10A with tongue-and-groove 40A at same plane; That is, based on the technical essential of above-mentioned L1A < L2A, when the present invention pushes the sheet unit 10A with tongue-and-groove 40A to the sheet unit 10A of tenon 30A, when the lateral surface 35A of this tenon 30A leans on the face that the leans 412A of another sheet unit 10A first raised line 41A, scope above the low groove 400A that the lower protruding block 300A of its tenon 30A has fallen into another sheet unit 10A tongue-and-groove 40A, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10A.

Shown position in fig. 12, the first convex rank 31A with the sheet unit 10A of tenon 30A leans the 422A place, the face that leans that face 312A leans the second raised line 42A at the sheet unit 10A with tongue-and-groove 40A.

Shown position in fig. 12, the second convex rank 32A with the sheet unit 10A of tenon 30A leans face 322A and leans side 14A place above the tongue-and-groove 40A of the sheet unit 10A with tongue-and-groove 40A;

In two sheet unit 10A phase approach process, before the lateral surface 35A of a sheet unit 10A tenon 30A leans with the face that the leans 412A phase of another sheet unit 10A first raised line 41A, only bevelled contact between two sheet unit 10A, quite convenient in the passing process of sheet unit 10A, do not need to knock or apply large external force with instrument and force sheet unit 10A to carry out the distortion of structure;

● technical essential: the horizontal range L1A between the lower protruding block 300A minimum point of tenon 30A with the vertical extension line of lateral surface 35A peak of its tenon 30A is greater than the horizontal range L3A between the vertical extension line of the face that leans 412A minimum point of tongue-and-groove 40A wedged bottom wall 402A minimum point and the first raised line 41A, L1A > L3A as shown in Figure 12.

When the present invention pushes the sheet unit 10A with tongue-and-groove 40A to the sheet unit 10A of tenon 30A, when the lateral surface 35A of this tenon 30A leans on the face that the leans 412A of another sheet unit 10A first raised line 41A, scope (as shown in figure 12) above the low groove 400A that the lower protruding block 300A of its tenon 30A has fallen into another sheet unit 10A tongue-and-groove 40A, based on the technical essential of above-mentioned L1A > L3A, the lower protruding block 300A minimum point of this tenon 30A not yet touches tongue-and-groove 40A wedged bottom wall 402A minimum point, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10A.

● technical essential: above tenon 30A side 12A outermost and its tenon 30A the vertical extension line of lateral surface 35A peak between horizontal range L4A be greater than side 14A outermost and the first raised line 41A above tongue-and-groove 40A and lean the horizontal range L5A between the vertical extension line of face 412A minimum point, L4A>L5A as shown in Figure 14.

● technical essential: above tenon 30A side 12A outermost and its tenon 30A the vertical extension line of lateral surface 35A peak between horizontal range L4A be less than horizontal range L6A above tongue-and-groove 40A between side 14A outermost with the vertical extension line of internal groove side wall 45A peak, L4A<L6A as shown in Figure 14.

● technical essential: above tenon 30A, side 12A outermost is greater than side 14A outermost and the second raised line 42A above tongue-and-groove 40A with its first convex rank 31A horizontal range L7A leaned between the vertical extension line of face 312A peak and leans the horizontal range L8A between the vertical extension line of face 422A minimum point, L7A>L8A as shown in Figure 14.

● technical essential: above tenon 30A, side 12A outermost is less than side 14A outermost and the first raised line 41A above tongue-and-groove 40A with its first convex rank 31A horizontal range L7A leaned between the vertical extension line of face 312A peak and leans the horizontal range L9A between the vertical extension line of face 412A peak, L7A<L9A as shown in Figure 14.

Then namely by two sheet unit 10A joints, the sheet unit 10A be lifted is pressed downwards (shown in Figure 12 arrow), now because the lateral surface 35A of this tenon 30A can lean at the 412A place, the face that leans of tongue-and-groove 40A first raised line 41A, the first convex rank 31A of this tenon 30A leans the 422A place, the face that leans that face 312A leans the second raised line 42A of tongue-and-groove 40A, the second convex rank 32A of this tenon 30A leans face 322A and leans side 14A place above tongue-and-groove 40A, allowing cannot close again at same plane between two sheet unit 10A, and the interior inclined-plane 302A of tenon 30A lower protruding block 300A can exert a force to tongue-and-groove 40A wedged bottom wall 402A, tongue-and-groove 40A underlying materials is forced to produce elastic deformation and allow tenon 30A relative to tongue-and-groove 40A to bottom offset,

As shown in figure 13, when the sheet unit 10A with tenon 30A is pressed downwardly, tongue-and-groove 40A underlying materials can be forced to produce elastic deformation, and shown in Figure 14 enlarged schematic partial view, dotted line and solid line changing unit are the part that tongue-and-groove 40A underlying materials produces elastic deformation; The second raised line 42A that the face that the leans 412A producing elastic deformation and the lateral surface 35A and this tongue-and-groove 40A first raised line 41A that allow tenon 30A be moved to this tenon 30A downwards relative to tongue-and-groove 40A when tongue-and-groove 40A underlying materials is staggered, the first convex rank 31A of this tenon 30A leans face 312A and this tongue-and-groove 40A leans that face 422A is staggered, the second convex rank 32A of this tenon 30A lean face 322A and tongue-and-groove 40A above side 14A be staggered

Time, namely tenon 30A can allow lower protruding block 300A embed in the low groove 400A of this tongue-and-groove 40A because of the guiding of inclined-plane 302A in lower protruding block 300A and tongue-and-groove 40A wedged bottom wall 402A, that is lock catch block 47A is snapped in snap close ditch 37A, simultaneously because this tongue-and-groove 40A underlying materials sets back because of the elasticity of self, make the end face 34A contact of this tenon 30A below the stop surface 411A of the first raised line 41A, the stop surface 311A contact of this first convex rank 31A is below the stop surface 421A of the second raised line 42A, the stop surface 321A contact of the second convex rank 32A is below upper cell wall 44A, the tenon 30A between two sheet unit 10A and tongue-and-groove 40A is allowed to fasten to locating (as shown in figure 15),

The stop surface 411A locating tenon 30A end face 34A of the present invention and the first raised line 41A at this fastening leans, the stop surface 311A of the first convex rank 31A and the stop surface 421A of the second raised line 42A leans, stop surface 321A and the upper cell wall 44 of the second convex rank 32A lean, lock catch block 47A is snapped in snap close ditch 37A, interior inclined-plane 302A and the tongue-and-groove 40A wedged bottom wall 402A of its tenon 30A lower protruding block 300A lean, because sheet unit 10A tenon 30A of the present invention is under the situation of tongue-and-groove 40A elastic deformation, tenon 30A is allowed to embed in tongue-and-groove 40A, and among tenon 30A embedding tongue-and-groove 40A behind location, the recoverable force of this tongue-and-groove 40A original position, the stop surface 411A that the outermost end of tenon 30A end face 34A of the present invention to the distance between interior inclined-plane 302A to any point that wedged bottom wall 402A leans is greater than tongue-and-groove 40A first raised line 41A and the distance leaned between face 412A interface point to the corresponding point leant of wedged bottom wall 402A, the tenon 30A of the present invention second preferred embodiment cannot throw off with tongue-and-groove 40A, so tenon 30A of the present invention with can have splendid sheet material snap close between tongue-and-groove 40A and be connected effect.

By Figure 10,11,12,13, assembling process schematic diagram and the above explanation of the present invention second preferred embodiment in 15 are known, sheet unit 10A of the present invention is when assembling, allow the tenon 30A between two sheet unit 10A and tongue-and-groove 40A fasten by the strength of pressing extremely locate, it does not need when assembling to allow two sheet unit 10A combine by sheet unit 10A opposite side in conplane increasing force, so the mode of knocking will be adopted to exert a force at the another side of sheet unit 10A when assembling, nature would not cause the structural failure of another side.

From the second above preferred embodiment accompanying drawing and illustrate, the technological means that the present invention adopts is: utilize the strength of downward pressing to force the material with tongue-and-groove 40A sheet unit 10A to produce elastic deformation, allow the interior inclined-plane 302A of tenon 30A and the wedged bottom wall 402A of tongue-and-groove 40A coordinate guiding to enter to fasten and locate, it can be exerted a force in the mode that hand presses or pin is stepped on by operating personnel when actual assembled, only need operating personnel at Figure 12, arrow locations force shown in 13, the tenon 30A between two sheet unit 10A and tongue-and-groove 40A can be allowed easily to fasten to locating.

Be depicted as the sheet unit 10A part isometric structural representation of the present invention second preferred embodiment in figure 16, Figure 17 is the enlarged schematic partial view in Figure 16, wherein can find out the stereochemical structure of the sheet unit 10A of the present invention second preferred embodiment at corner tenon 30A and tongue-and-groove 40A delivery position.

3rd preferred embodiment:

Figure 18 shows that the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 3rd preferred embodiment, the tenon 30B protruded outside this side 12B is formed at this sheet unit 10B mono-side 12B, this tenon 30B has an end face 34B, a lateral surface 35B, a lower protruding block 300B is provided with at this tenon 30B lower edge, be an outer inclined-plane 301B outside this lower protruding block 300B, be inclined-plane 302B in inside this lower protruding block 300B, between this lower protruding block 300B and side 12B, form the snap close ditch 37B that a section is acute angle;

The outer inclined-plane 301B of this lower protruding block 300B and interior inclined-plane 302B is tapered plane in this 3rd preferred embodiment;

Recessed tongue-and-groove 40B is formed at another side of this sheet unit 10B 14B, this tongue-and-groove 40B has cell wall 44B on, an internal groove side wall 45B, a low groove 400B is formed in this tongue-and-groove 40B bottom surface, between this low groove 400B and side 14B, form a section is acute angle lock catch block 47B, and forms a wedged bottom wall 402B at this low groove 400B by inside lock catch block 47B; Separately being formed with one first raised line 41B at the upper cell wall 44B of this 3rd preferred embodiment and internal groove side wall 45B junction, is a stop surface 411B in the bottom surface of this first raised line 41B, and side is one lean face 412B;

A guide surface 140B tilted is formed outside this lock catch block 47B between the peak and side 14B of this lock catch block 47B.

The present invention shown in Figure 18 the 3rd preferred embodiment and the first preferred embodiment are compared, can see side 14B above this tongue-and-groove 40B side 14B comparatively below this tongue-and-groove 40B to be recessed into, this tongue-and-groove 40B is formed in the section of this side 14B place's formation one in L-shaped; The side 12B of side 12B above corresponding this tenon 30B comparatively below this tenon 30B protrudes, and it is inverted L-shaped section that this tenon 30B is formed in this side 12B place's formation one; Another end face 34B above this tenon 30B directly connects with side 12B, and not as the convex rank 31 of first shown in the first preferred embodiment, it only also can reach effect required when the present invention designs with the first raised line 41B.

Figure 19 to Figure 24 is the assembling process generalized section of the present invention the 3rd preferred embodiment in Figure 18, wherein demonstrates its assembling process identical with the first preferred embodiment.

Figure 19 shows two sheet unit 10B and is close at same plane;

It is the guide surface 140B that the outer inclined-plane 301B of lower protruding block 300B of this tenon 30B touches outside tongue-and-groove 40B lock catch block 47B that Figure 20 shows when two sheet unit 10B contact;

● technical essential: two sheet unit 10B same plane near contact time, its contact position at least side is inclined-plane, and two sheet unit 10B can be allowed when continuing close, the edge of two sheet unit 10B can be guided by the inclined-plane of its contact position to do the change of height, upwards lifted with the sheet unit 10B edge of tenon 30B can be guided by inclined-plane in the 3rd preferred embodiment in the accompanying drawings.

When Figure 21 shows the sheet unit 10B lock catch block 47B peak that this lower protruding block 300B minimum point with the sheet unit 10B of tenon 30B moves to tongue-and-groove 40B, namely this sheet unit 10B can not upwards be lifted again;

When Figure 22 display continues to push the sheet unit 10B with tongue-and-groove 40B to the sheet unit 10B of tenon 30B, namely the lower protruding block 300B of its tenon 30B enters above another sheet unit 10B tongue-and-groove 40B low groove 400B in scope, until the lateral surface 35B of this tenon 30B leans on the face that the leans 412B of another sheet unit 10B first raised line 41B;

● technical essential: the horizontal range L1B between the lower protruding block 300B minimum point of tenon 30B with the vertical extension line of lateral surface 35B peak of its tenon 30B is less than the horizontal range L2B between the vertical extension line of the face that leans 412B minimum point of tongue-and-groove 40B lock catch block 47B peak and this first raised line 41B, L1B < L2B as shown in Figure 22.

● technical essential: the horizontal range L1B between the lower protruding block 300B minimum point of tenon 30B with the vertical extension line of lateral surface 35B peak of its tenon 30B is greater than the horizontal range L3B between the vertical extension line of the face that leans 412B minimum point of tongue-and-groove 40B wedged bottom wall 402B minimum point and the first raised line 41B, L1B > L3B as shown in Figure 22.

When the present invention pushes the sheet unit 10B with tongue-and-groove 40B to the sheet unit 10B of tenon 30B, when the lateral surface 35B of this tenon 30B leans on the face that the leans 412B of another sheet unit 10B first raised line 41B, scope (as shown in figure 22) above the low groove 400B that the lower protruding block 300B of its tenon 30B has fallen into another sheet unit 10B tongue-and-groove 40B, based on the technical essential of above-mentioned L1B > L3B, the lower protruding block 300B minimum point of this tenon 30B not yet touches tongue-and-groove 40B wedged bottom wall 402B minimum point, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10B, Figure 22 is that the state of displacement for convenience of explanation drawn, and in fact because of Action of Gravity Field, the interior inclined-plane 302B of tenon 30B lower protruding block 300B can contact with the wedged bottom wall 402B of another sheet unit 10B tongue-and-groove 40B low groove 400B.

● technical essential: above tenon 30B side 12B outermost and its tenon 30B the vertical extension line of lateral surface 35B peak between horizontal range L4B be greater than side 14B outermost and the first raised line 41B above tongue-and-groove 40B and lean the horizontal range L5B between the vertical extension line of face 412B minimum point, L4B>L5B as shown in Figure 23.

● technical essential: above tenon 30B side 12B outermost and its tenon 30B the vertical extension line of lateral surface 35B peak between horizontal range L4B be less than horizontal range L6B above tongue-and-groove 40B between side 14B outermost with the vertical extension line of internal groove side wall 45B peak, L4B<L6B as shown in Figure 23.

The sheet unit 10B be lifted is pressed downwards (shown in Figure 22 arrow) by two sheet unit 10B joints by Figure 23 display, now because the lateral surface 35B of this tenon 30B can lean at the 412B place, the face that leans of tongue-and-groove 40B first raised line 41B, allowing cannot be close again at sheet unit 10A between two sheet unit 10B, and the interior inclined-plane 302B of tenon 30B lower protruding block 300B can exert a force to tongue-and-groove 40B wedged bottom wall 402B, tongue-and-groove 40B underlying materials is forced to produce elastic deformation and allow tenon 30B relative to tongue-and-groove 40B to bottom offset;

Shown dotted line and solid line changing unit are the part that tongue-and-groove 40B underlying materials produces elastic deformation in fig 23, when the face that the leans 412B of the lateral surface 35B and this tongue-and-groove 40B first raised line 41B that allow tenon 30B be moved to this tenon 30B downwards relative to tongue-and-groove 40B when tongue-and-groove 40B underlying materials generation elastic deformation is staggered, namely tenon 30B can allow lower protruding block 300B embed in the low groove 400B of this tongue-and-groove 40B because of the guiding of inclined-plane 302B in lower protruding block 300B and tongue-and-groove 40B wedged bottom wall 402B, simultaneously because this tongue-and-groove 40B underlying materials sets back because of the elasticity of self, the tenon 30B between two sheet unit 10B and tongue-and-groove 40B is allowed to fasten to locating (as shown in figure 24), lean at the end face 34B of this tenon of this state 30B and the stop surface 411B of the first raised line 41B, this lock catch block 47B is snapped in snap close ditch 37B, interior inclined-plane 302B and the tongue-and-groove 40B wedged bottom wall 402B of this tenon 30B lower protruding block 300B lean,

The stop surface 411B that the outermost end of tenon 30B end face 34B of the present invention to the distance between interior inclined-plane 302B to any point that wedged bottom wall 402B leans is greater than tongue-and-groove 40B first raised line 41B and the distance leaned between face 412B interface point to the corresponding point leant of wedged bottom wall 402B, the tenon 30B of the present invention the 3rd preferred embodiment cannot throw off with tongue-and-groove 40B, so tenon 30B of the present invention with can have splendid sheet material snap close between tongue-and-groove 40B and be connected effect.

4th preferred embodiment:

Figure 25 is depicted as the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 4th preferred embodiment, the tenon 30C protruded outside this side 12C is formed at this sheet unit 10C mono-side 12C, this tenon 30C has an end face 34C, a lateral surface 35C, a lower protruding block 300C is provided with at this tenon 30C lower edge, be an outer inclined-plane 301C outside this lower protruding block 300C, be inclined-plane 302C in inside this lower protruding block 300C, between this lower protruding block 300C and side 12C, form the snap close ditch 37C that a section is acute angle; Separately being formed with one first convex rank 31C at the end face 34C of this 4th preferred embodiment and side 12C junction, is a stop surface 311C at the end face of this first convex rank 31C, and side is one lean face 312C;

The outer inclined-plane 301C of this lower protruding block 300C and interior inclined-plane 302C is inclined-plane in this 4th preferred embodiment;

Recessed tongue-and-groove 40C is formed at another side of this sheet unit 10C 14C, this tongue-and-groove 40C has cell wall 44C on, an internal groove side wall 45C, a low groove 400C is formed in this tongue-and-groove 40C bottom surface, between this low groove 400C and side 14C, form a section is acute angle lock catch block 47C, and forms a wedged bottom wall 402C at this low groove 400C by inside lock catch block 47C; Separately being formed with one first raised line 41C at the upper cell wall 44C of this 4th preferred embodiment and internal groove side wall 45C junction, is a stop surface 411C in the bottom surface of this first raised line 41C, and side is one lean face 412C;

A guide surface 140C tilted is formed outside this lock catch block 47C between the peak and side 14C of this lock catch block 47C.

The present invention shown in Figure 25 the 4th preferred embodiment and the first preferred embodiment are compared, can see side 14C above this tongue-and-groove 40C side 14C comparatively below this tongue-and-groove 40C to be recessed into, this tongue-and-groove 40C is formed in the section of this side 14C place's formation one in L-shaped; The side 12C of side 12C above corresponding this tenon 30C comparatively below this tenon 30C protrudes, and it is inverted L-shaped section that this tenon 30C is formed in this side 12C place's formation one.

Figure 26 to Figure 31 is the assembling process generalized section of the present invention the 4th preferred embodiment in Figure 25, wherein demonstrates its assembling process identical with the first preferred embodiment.

Figure 26 shows two sheet unit 10C and is close at same plane;

It is the guide surface 140C that the outer inclined-plane 301C of lower protruding block 300C of this tenon 30C touches outside tongue-and-groove 40C lock catch block 47C that Figure 27 shows when two sheet unit 10C contact;

● technical essential: two sheet unit 10C same plane near contact time, its contact position at least side is inclined-plane, and two sheet unit 10C can be allowed when continuing close, the edge of two sheet unit 10C can be guided by the inclined-plane of its contact position to do the change of height, upwards lifted with the sheet unit 10C edge of tenon 30C can be guided by inclined-plane in the 4th preferred embodiment in the accompanying drawings.

When Figure 28 shows the sheet unit 10C lock catch block 47C peak that this lower protruding block 300C minimum point with the sheet unit 10C of tenon 30C moves to tongue-and-groove 40C, namely this sheet unit 10C can not upwards be lifted again;

When Figure 29 display continues to push the sheet unit 10C with tongue-and-groove 40C to the sheet unit 10C of tenon 30C, namely the lower protruding block 300C of its tenon 30C enters above another sheet unit 10C tongue-and-groove 40C low groove 400C in scope, until the lateral surface 35C of this tenon 30C leans at the 412C place, the face that leans of another sheet unit 10C first raised line 41C, the first convex rank 31C of this tenon 30C leans face 312C and leans side 14C place above tongue-and-groove 40C;

● technical essential: the horizontal range L1C between the lower protruding block 300C minimum point of tenon 30C with the vertical extension line of lateral surface 35C peak of its tenon 30C is less than the horizontal range L2C between the vertical extension line of the face that leans 412C minimum point of tongue-and-groove 40C lock catch block 47C peak and this first raised line 41C, L1C < L2C as shown in Figure 29.

● technical essential: the horizontal range L1C between the lower protruding block 300C minimum point of tenon 30C with the vertical extension line of lateral surface 35C peak of its tenon 30C is greater than the horizontal range L3C between the vertical extension line of the face that leans 412C minimum point of tongue-and-groove 40C wedged bottom wall 402C minimum point and the first raised line 41C, L1C > L3C as shown in Figure 29.

When the present invention pushes the sheet unit 10C with tongue-and-groove 40C to the sheet unit 10C of tenon 30C, when the lateral surface 35C of this tenon 30C leans at the 412C place, the face that leans of another sheet unit 10C first raised line 41C, the first convex rank 31C of this tenon 30C leans face 312C when leaning side 14C place above tongue-and-groove 40C, scope (as shown in figure 29) above the low groove 400C that the lower protruding block 300C of its tenon 30C has fallen into another sheet unit 10C tongue-and-groove 40C, based on the technical essential of above-mentioned L1C > L3C, the lower protruding block 300C minimum point of this tenon 30C not yet touches tongue-and-groove 40C wedged bottom wall 402C minimum point, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10C.

● technical essential: above tenon 30C side 12C outermost and its tenon 30C the vertical extension line of lateral surface 35C peak between horizontal range L4C be greater than side 14C outermost and the first raised line 41C above tongue-and-groove 40C and lean the horizontal range L5C between the vertical extension line of face 412C minimum point, L4C>L5C as shown in Figure 30.

● technical essential: above tenon 30C side 12C outermost and its tenon 30C the vertical extension line of lateral surface 35C peak between horizontal range L4C be less than horizontal range L6C above tongue-and-groove 40C between side 14C outermost with the vertical extension line of internal groove side wall 45C peak, L4C<L6C as shown in Figure 30.

The sheet unit 10C be lifted is pressed downwards (shown in Figure 29 arrow) by two sheet unit 10C joints by Figure 30 display, now because the lateral surface 35C of this tenon 30C leans at the 412C place, the face that leans of tongue-and-groove 40C first raised line 41C, the first convex rank 31C of this tenon 30C leans face 312C and leans side 14C place above tongue-and-groove 40C, allowing cannot be close again at same plane between two sheet unit 10C, and the interior inclined-plane 302C of tenon 30C lower protruding block 300C can exert a force to tongue-and-groove 40C wedged bottom wall 402C, tongue-and-groove 40C underlying materials is forced to produce elastic deformation and allow tenon 30C relative to tongue-and-groove 40C to bottom offset,

Shown dotted line and solid line changing unit are the part that tongue-and-groove 40C underlying materials produces elastic deformation in fig. 30, be staggered as the face that the leans 412C that tongue-and-groove 40C underlying materials produces elastic deformation and the lateral surface 35C and this tongue-and-groove 40C first raised line 41C that allow tenon 30C be moved to this tenon 30C downwards relative to tongue-and-groove 40C and lean as the first convex rank 31C face 312C also with tongue-and-groove 40C above side 14C be staggered time, namely tenon 30C can allow lower protruding block 300C embed in the low groove 400C of this tongue-and-groove 40C because of the guiding of inclined-plane 302C in lower protruding block 300C and tongue-and-groove 40C wedged bottom wall 402C, simultaneously because this tongue-and-groove 40C underlying materials sets back because of the elasticity of self, the tenon 30C between two sheet unit 10C and tongue-and-groove 40C is allowed to fasten to locating (as shown in figure 31), lean at the stop surface 411C of this tenon of this state 30C end face 34C and the first raised line 41C, stop surface 311C and the upper cell wall 44C of the first convex rank 31C lean, this lock catch block 47C is snapped in snap close ditch 37C, interior inclined-plane 302C and the tongue-and-groove 40C wedged bottom wall 402C of this tenon 30C lower protruding block 300C lean,

The stop surface 411C that the outermost end of tenon 30C end face 34C of the present invention to the distance between interior inclined-plane 302C to any point that wedged bottom wall 402C leans is greater than tongue-and-groove 40C first raised line 41C and the distance leaned between face 412C interface point to the corresponding point leant of wedged bottom wall 402C, the tenon 30C of the present invention the 4th preferred embodiment cannot throw off with tongue-and-groove 40C, so tenon 30C of the present invention with can have splendid sheet material snap close between tongue-and-groove 40C and be connected effect.

5th preferred embodiment:

Figure 32 is depicted as the sheet unit side-looking structural profile schematic diagram of pressing fastened type lock plate of the present invention 5th preferred embodiment, the tenon 30D protruded outside this side 12D is formed at this sheet unit 10D mono-side 12D, this tenon 30D has an end face 34D, a lateral surface 35D, a lower protruding block 300D is provided with at this tenon 30D lower edge, be an outer inclined-plane 301D outside this lower protruding block 300D, be inclined-plane 302D in inside this lower protruding block 300D, between this lower protruding block 300D and side 12D, form the snap close ditch 37D that a section is acute angle; The another end face 34D in this 5th preferred embodiment and side 12D junction are formed with one first convex rank 31D and one second convex rank 32D, be a stop surface 311D at the end face of this first convex rank 31D, side is one lean face 312D, be a stop surface 321D at the end face of this second convex rank 32D, side is one lean face 322D;

The outer inclined-plane 301D of this lower protruding block 300D and interior inclined-plane 302D is tapered plane in this 5th preferred embodiment;

Recessed tongue-and-groove 40D is formed at another side of this sheet unit 10D 14D, this tongue-and-groove 40D has cell wall 44D on, an internal groove side wall 45D, a low groove 400D is formed in this tongue-and-groove 40D bottom surface, between this low groove 400D and side 14D, form a section is acute angle lock catch block 47D, and forms a wedged bottom wall 402D at this low groove 400D by inside lock catch block 47D; The another upper cell wall 44D in this 5th preferred embodiment and internal groove side wall 45D junction are formed with one first raised line 41D and one second raised line 42D, be a stop surface 411D in the bottom surface of this first raised line 41D, side is one lean face 412D, be a stop surface 421D in the bottom surface of this second raised line 42D, side is one lean face 422D;

A guide surface 140D tilted is formed outside this lock catch block 47D between the peak and side 14D of this lock catch block 47D.

The present invention shown in Figure 32 the 5th preferred embodiment and the second preferred embodiment are compared, can see side 14D above this tongue-and-groove 40D side 14D comparatively below this tongue-and-groove 40D to be recessed into, this tongue-and-groove 40D is formed in the section of this side 14D place's formation one in L-shaped; The side 12D of side 12D above corresponding this tenon 30D comparatively below this tenon 30D protrudes, and it is inverted L-shaped section that this tenon 30D is formed in this side 12D place's formation one.

Figure 33,34,35,36,38,39 is the assembling process generalized section of the present invention the 5th preferred embodiment in Figure 32, wherein demonstrates its assembling process identical with the second preferred embodiment.

Figure 33 shows two sheet unit 10D and is close at same plane; Be the guide surface 140D that the outer inclined-plane 301D of lower protruding block 300D of this tenon 30D touches outside tongue-and-groove 40D lock catch block 47D when two sheet unit 10D contact, the sheet unit 10D edge with tenon 30D is upwards lifted.

● technical essential: two sheet unit 10D same plane near contact time, its contact position at least side is inclined-plane, and two sheet unit 10D can be allowed when continuing close, the edge of two sheet unit 10D can be guided by the inclined-plane of its contact position to do the change of height, upwards lifted with the sheet unit 10D edge of tenon 30D can be guided by inclined-plane in the 5th preferred embodiment in the accompanying drawings.

When Figure 34 shows the sheet unit 10D lock catch block 47D peak that this lower protruding block 300D minimum point with the sheet unit 10D of tenon 30D moves to tongue-and-groove 40D, namely this sheet unit 10D can not upwards be lifted again;

When Figure 35 display continues to push the sheet unit 10D with tongue-and-groove 40D to the sheet unit 10D of tenon 30D, namely the lower protruding block 300D of its tenon 30D enters above another sheet unit 10D tongue-and-groove 40D low groove 400D in scope, until the lateral surface 35D of this tenon 30D leans at the 412D place, the face that leans of another sheet unit 10D first raised line 41D; Figure 35 is that the state of displacement for convenience of explanation drawn, in fact because of Action of Gravity Field, the interior inclined-plane 302D of tenon 30D lower protruding block 300D can contact (as shown in figure 36) with the wedged bottom wall 402D of another sheet unit 10D tongue-and-groove 40D low groove 400D, and namely the sheet unit 10D now with tenon 30D cannot continue to push to another sheet unit 10D with tongue-and-groove 40D at same plane.

● technical essential: the horizontal range L1D between the lower protruding block 300D minimum point of tenon 30D with the vertical extension line of lateral surface 35D peak of its tenon 30D is less than the horizontal range L2D between the vertical extension line of the face that leans 412D minimum point of tongue-and-groove 40D lock catch block 47D peak and this first raised line 41D, L1D < L2D as shown in Figure 34.

● technical essential: the horizontal range L1D between the lower protruding block 300D minimum point of tenon 30D with the vertical extension line of lateral surface 35D peak of its tenon 30D is greater than the horizontal range L3D between the vertical extension line of the face that leans 412D minimum point of tongue-and-groove 40D wedged bottom wall 402D minimum point and the first raised line 41D, L1D > L3D as shown in Figure 34.

When the present invention pushes the sheet unit 10D with tongue-and-groove 40D to the sheet unit 10D of tenon 30D, when the lateral surface 35D of this tenon 30D leans at the 412D place, the face that leans of another sheet unit 10D first raised line 41D, the first convex rank 31D of this tenon 30D leans face 312D and leans at the 422D place, the face that leans of another sheet unit 10D second raised line 42D, the second convex rank 32D of this tenon 30D leans face 322D when leaning side 14D place above the tongue-and-groove 40D of the sheet unit 10D with tongue-and-groove 40D, the lower protruding block 300D of its tenon 30D has fallen into the low groove 400D scope (as shown in figure 36) of another sheet unit 10D tongue-and-groove 40D, based on the technical essential of above-mentioned L1D > L3D, the lower protruding block 300D minimum point of this tenon 30D not yet touches tongue-and-groove 40D wedged bottom wall 402D minimum point, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10D.

● technical essential: above tenon 30D side 12D outermost and its tenon 30D the vertical extension line of lateral surface 35D peak between horizontal range L4D be greater than side 14D outermost and the first raised line 41D above tongue-and-groove 40D and lean the horizontal range L5D between the vertical extension line of face 412D minimum point, L4D>L5D as shown in Figure 37.

● technical essential: above tenon 30D side 12D outermost and its tenon 30D the vertical extension line of lateral surface 35D peak between horizontal range L4D be less than horizontal range L6D above tongue-and-groove 40D between side 14D outermost with the vertical extension line of internal groove side wall 45D peak, L4D<L6D as shown in Figure 37.

● technical essential: above tenon 30D, side 12D outermost is greater than side 14D outermost and the second raised line 42D above tongue-and-groove 40D with its first convex rank 31D horizontal range L7D leaned between the vertical extension line of face 312D peak and leans the horizontal range L8D between the vertical extension line of face 422D minimum point, L7D>L8D as shown in Figure 37.

● technical essential: above tenon 30D, side 12D outermost is less than side 14D outermost and the first raised line 41D above tongue-and-groove 40D with its first convex rank 31D horizontal range L7D leaned between the vertical extension line of face 312D peak and leans the horizontal range L9D between the vertical extension line of face 412D peak, L7D<L9D as shown in Figure 37.

The sheet unit 10D be lifted is pressed downwards (shown in Figure 36 arrow) by two sheet unit 10D joints by Figure 36 display, now because the lateral surface 35D of this tenon 30D leans at the 412D place, the face that leans of tongue-and-groove 40D first raised line 41D, the first convex rank 31D of this tenon 30D leans face 312D and leans at the 422D place, the face that leans of another sheet unit 10D second raised line 42D, the second convex rank 32D of this tenon 30D leans face 322D and leans side 14D place above the tongue-and-groove 40D of the sheet unit 10D with tongue-and-groove 40D, allowing cannot be close again at same plane between two sheet unit 10D, and the interior inclined-plane 302D of tenon 30D lower protruding block 300D can exert a force to tongue-and-groove 40D wedged bottom wall 402D, tongue-and-groove 40D underlying materials is forced to produce elastic deformation and allow tenon 30D relative to tongue-and-groove 40D to bottom offset,

Shown in Figure 38, dotted line and solid line changing unit are the part that tongue-and-groove 40D underlying materials produces elastic deformation; the face that the leans 412D of the lateral surface 35D and another sheet unit 10D first raised line 41D that allow tenon 30D be moved to this tenon 30D downwards relative to tongue-and-groove 40D when tongue-and-groove 40D underlying materials generation elastic deformation is staggered, the face that the leans 422D that first convex rank 31D leans face 312D and another sheet unit 10D second raised line 42D is staggered, when second convex rank 32D leans that above face 322D and another sheet unit 10D tongue-and-groove 40D, side 14D is staggered, namely tenon 30D can allow lower protruding block 300D embed in the low groove 400D of this tongue-and-groove 40D because of the guiding of inclined-plane 302D in lower protruding block 300D and tongue-and-groove 40D wedged bottom wall 402D, simultaneously because this tongue-and-groove 40D underlying materials sets back because of the elasticity of self, the tenon 30D between two sheet unit 10D and tongue-and-groove 40D is allowed to fasten to locating (as shown in figure 39), lean at the stop surface 411D of this tenon of this state 30D end face 34D and the first raised line 41D, the stop surface 311D of the first convex rank 31D and the stop surface 421D of the second raised line 42D leans, stop surface 321D and the upper cell wall 44D of the second convex rank 32D lean, lock catch block 47D is snapped in snap close ditch 37D, the interior inclined-plane 302D of this tenon 30D lower protruding block 300D and tongue-and-groove 40D wedged bottom wall 402D this lock catch block 47D that leans is snapped in snap close ditch 37D,

The stop surface 411D that the outermost end of tenon 30D end face 34D of the present invention to the distance between interior inclined-plane 302D to any point that wedged bottom wall 402D leans is greater than tongue-and-groove 40D first raised line 41D and the distance leaned between face 412D interface point to the corresponding point leant of wedged bottom wall 402D, the tenon 30D of the present invention the 5th preferred embodiment cannot throw off with tongue-and-groove 40D, so tenon 30D of the present invention with can have splendid sheet material snap close between tongue-and-groove 40D and be connected effect.

6th preferred embodiment:

Figure 40 is depicted as the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 6th preferred embodiment, the tenon 30E protruded outside this side 12E is formed at this sheet unit 10E mono-side 12E, this tenon 30E has an end face 34E, a lateral surface 35E, a lower protruding block 300E is provided with at this tenon 30E lower edge, be an outer inclined-plane 301E outside this lower protruding block 300E, be inclined-plane 302E in inside this lower protruding block 300E, between this lower protruding block 300E and side 12E, form the snap close ditch 37E that a section is acute angle; Separately being formed with one first convex rank 31E at the end face 34E of this 6th preferred embodiment and side 12E junction, is a stop surface 311E at the end face of this first convex rank 31E, and side is one lean face 312E;

The outer inclined-plane 301E of this lower protruding block 300E and interior inclined-plane 302E is cambered surface in this 6th preferred embodiment;

Recessed tongue-and-groove 40E is formed at another side of this sheet unit 10E 14E, this tongue-and-groove 40E has cell wall 44E on, an internal groove side wall 45E, a low groove 400E is formed in this tongue-and-groove 40E bottom surface, between this low groove 400E and side 14E, form a section is acute angle lock catch block 47E, and forms a wedged bottom wall 402E at this low groove 400E by inside lock catch block 47E; Separately being formed with one first raised line 41E at the upper cell wall 44E of this 6th preferred embodiment and internal groove side wall 45E junction, is a stop surface 411E in the bottom surface of this first raised line 41E, and side is one lean face 412E;

A guide surface 140E tilted is formed outside this lock catch block 47E between the peak and side 14E of this lock catch block 47E.

First preferred embodiment in the present invention shown in Figure 40 the 6th preferred embodiment and Fig. 1 is compared, the two is identical in mechanism's configuration, only on its tenon 30E end face 34E, the first convex rank 31E stop surface 311E, tongue-and-groove 40E, the stop surface 411E of cell wall 44E and the first raised line 41E changes to some extent with leaning in the angle of inclination of face 412E and length, wherein topmost change be cell wall 44E and the first raised line 41E on tenon 30E end face 34E, the first convex rank 31E stop surface 311E, tongue-and-groove 40E stop surface 411E angle comparatively the present invention first preferred embodiment more tilt.

Figure 41 to Figure 45 is the assembling process generalized section of the present invention the 6th preferred embodiment in Figure 40, wherein:

Figure 41 shows two sheet unit 10E and is close at same plane;

The guide surface 140E that the outer inclined-plane 301E of lower protruding block 300E of this tenon 30E touches outside tongue-and-groove 40E lock catch block 47E when two sheet unit 10E contact, sheet unit 10E edge with tenon 30E can upwards be lifted, when this lower protruding block 300E minimum point with tenon 30E sheet unit 10E moves to the sheet unit 10E lock catch block 47E peak with tongue-and-groove 40E, namely this sheet unit 10E can not upwards be lifted (as shown in figure 42) again;

● technical essential: two sheet unit 10E same plane near contact time, its contact position at least side is inclined-plane, and two sheet unit 10E can be allowed when continuing close, the edge of two sheet unit 10E can be guided by the inclined-plane of its contact position to do the change of height, upwards lifted with the sheet unit 10E edge of tenon 30E can be guided by inclined-plane in the 6th preferred embodiment in the accompanying drawings.

When Figure 43 display continues to push the sheet unit 10E with tongue-and-groove 40E to the sheet unit 10E of tenon 30E, namely the lower protruding block 300E of its tenon 30E enters above another sheet unit 10E tongue-and-groove 40E low groove 400E in scope, until the lateral surface 35E of this tenon 30E leans at the 412E place, the face that leans of another sheet unit 10E first raised line 41E, the first convex rank 31E of this tenon 30E leans face 312E and leans side 14E place above tongue-and-groove 40E;

● technical essential: the horizontal range L1E between the lower protruding block 300E minimum point of tenon 30E with the vertical extension line of lateral surface 35E peak of its tenon 30E is less than the horizontal range L2E between the vertical extension line of the face that leans 412E minimum point of tongue-and-groove 40E lock catch block 47E peak and this first raised line 41E, L1E < L2E as shown in Figure 42.

● technical essential: the horizontal range L1E between the lower protruding block 300E minimum point of tenon 30E with the vertical extension line of lateral surface 35E peak of its tenon 30E is greater than the horizontal range L3E between the vertical extension line of the face that leans 412E minimum point of tongue-and-groove 40E wedged bottom wall 402E minimum point and the first raised line 41E, L1E > L3E as shown in Figure 42.

When the present invention pushes the sheet unit 10E with tongue-and-groove 40E to the sheet unit 10E of tenon 30E, when the lateral surface 35E of this tenon 30E leans at the 412E place, the face that leans of another sheet unit 10E first raised line 41E, the first convex rank 31E of this tenon 30E leans face 312E when leaning side 14E place above tongue-and-groove 40E, scope (as shown in figure 43) above the low groove 400E that the lower protruding block 300E of its tenon 30E has fallen into another sheet unit 10E tongue-and-groove 40E, based on the technical essential of above-mentioned L1E > L3E, the lower protruding block 300E minimum point of this tenon 30E not yet touches tongue-and-groove 40E wedged bottom wall 402E minimum point, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10E.

The sheet unit 10E be lifted is pressed downwards (shown in Figure 44 arrow) by two sheet unit 10E joints by Figure 44 display, now because the lateral surface 35E of this tenon 30E leans at the 412E place, the face that leans of tongue-and-groove 40E first raised line 41E, the first convex rank 31E of this tenon 30E leans face 312E and leans side 14E place above tongue-and-groove 40E, allowing cannot be close again at same plane between two sheet unit 10E, and when the sheet unit 10E with tenon 30E is pressed downward, the interior inclined-plane 302E of tenon 30E lower protruding block 300E can be subject to tongue-and-groove 40E wedged bottom wall 402E and guide, make tenon 30E along tongue-and-groove 40E wedged bottom wall 402E direction to downslide, due to the angle between tenon 30E and tongue-and-groove 40E and dimensional fits, the face that the leans 412E of the lateral surface 35E of tenon 30E and end face 34E interface point and the first raised line 41E and stop surface 411E interface point can be allowed to be staggered, first convex rank 31E leans cell wall 44E and side 14E interface point on face 312E and stop surface 311E interface point and tongue-and-groove 40E and is staggered, the fastening allowing tenon 30E slip in tongue-and-groove 40E is located,

It is the state that tenon 30E and tongue-and-groove 40E fastens to locating shown in Figure 45, lean at the stop surface 411E of this tenon of this state 30E end face 34E and the first raised line 41E, stop surface 311E and the upper cell wall 44E of the first convex rank 31E lean, this lock catch block 47E is snapped in snap close ditch 37E, and interior inclined-plane 302E and the tongue-and-groove 40E wedged bottom wall 402E of this tenon 30E lower protruding block 300E lean;

The state to locating is fastened at tenon 30E of the present invention and tongue-and-groove 40E, the stop surface 411E that the outermost end of tenon 30E end face 34E to the distance between interior inclined-plane 302E to any point that wedged bottom wall 402E leans is greater than tongue-and-groove 40E first raised line 41E and the distance leaned between face 412E interface point to the corresponding point leant of wedged bottom wall 402E, the tenon 30E of the present invention the 6th preferred embodiment can press assembling mode in the indeformable situation of tongue-and-groove 40E and tenon 30E is assembled to location in tongue-and-groove 40E according to the present invention, and cooperation is set by each size against between point, still can reach due sheet material snap close and connect effect.

7th preferred embodiment:

Figure 46 is depicted as the sheet unit side elevational cross-section structural representation of pressing fastened type lock plate of the present invention 7th preferred embodiment, the tenon 30F protruded outside this side 12F is formed at this sheet unit 10F mono-side 12F, this tenon 30F has an end face 34F, a lateral surface 35F, a lower protruding block 300F is provided with at this tenon 30F lower edge, be an outer inclined-plane 301F outside this lower protruding block 300F, be inclined-plane 302F in inside this lower protruding block 300F, between this lower protruding block 300F and side 12F, form the snap close ditch 37F that a section is acute angle; Separately being formed with one first convex rank 31F at the end face 34F of this 7th preferred embodiment and side 12F junction, is a stop surface 311F at the end face of this first convex rank 31F, and side is one lean face 312F; By the side 12F that can see in figure below this tenon 30F comparatively top side 12F retraction, the horizontal range of its retraction is less than 25% of sheet unit 10F thickness.

The outer inclined-plane 301F of this lower protruding block 300F and interior inclined-plane 302F is cambered surface in this 7th preferred embodiment, and it also can be set to inclined-plane as the 5th preferred embodiment;

Recessed tongue-and-groove 40F is formed at another side of this sheet unit 10F 14F, this tongue-and-groove 40F has cell wall 44F on, an internal groove side wall 45F, a low groove 400F is formed in this tongue-and-groove 40F bottom surface, between this low groove 400F and side 14F, form a section is acute angle lock catch block 47F, and forms a wedged bottom wall 402F at this low groove 400F by inside lock catch block 47F; The side 14F of this tongue-and-groove 40F upper and lower is on same vertical plane.

A guide surface 140F tilted is formed outside this lock catch block 47F between the peak and side 14F of this lock catch block 47F.

6th preferred embodiment in the present invention shown in Figure 46 the 7th preferred embodiment and Figure 40 compared, the two is substantially identical in mechanism's configuration, does not only arrange in its tongue-and-groove 40F as the first raised line 41E shown in the 6th preferred embodiment.

The assembling process of the present invention the 7th preferred embodiment is identical with the 6th preferred embodiment, it is also allow two sheet unit 10F be close at same plane, the guide surface 140F that the outer inclined-plane 301F of lower protruding block 300F of this tenon 30F touches outside tongue-and-groove 40F lock catch block 47F when two sheet unit 10F contact, sheet unit 10F edge with tenon 30F can upwards be lifted, when after the sheet unit 10F lock catch block 47F peak that this lower protruding block 300F minimum point with tenon 30F sheet unit 10F is crossed with tongue-and-groove 40F, namely the lower protruding block 300F of this tenon 30F to enter above another sheet unit 10F tongue-and-groove 40F low groove 400F in scope, until first of this tenon 30F the convex rank 31F leans face 312F lean side 14F place (as shown in figure 47) above tongue-and-groove 40F,

● technical essential: two sheet unit 10F same plane near contact time, its contact position at least side is inclined-plane, and two sheet unit 10F can be allowed when continuing close, the edge of two sheet unit 10F can be guided by the inclined-plane of its contact position to do the change of height, upwards lifted with the sheet unit 10F edge of tenon 30F can be guided by inclined-plane in the 7th preferred embodiment in the accompanying drawings.

● technical essential: the lower protruding block 300F minimum point of tenon 30F and the first convex rank 31F horizontal range L1F leaned between the vertical extension line of face 312F peak of its tenon 30F are greater than tongue-and-groove 40F lock catch block 47F peak (above this tongue-and-groove 40F lock catch block 47F peak and this tongue-and-groove 40F, side 14F minimum point drops on same point just in the 7th preferred embodiment shown in Figure 47 with the horizontal range L2F above this tongue-and-groove 40F between the vertical extension line of side 14F minimum point, so the horizontal range L2F=0 between its vertical extension line), L1F > L2F as shown in Figure 47.

● technical essential: the lower protruding block 300F minimum point of tenon 30F and the first convex rank 31F horizontal range L1F leaned between the vertical extension line of face 312F peak of its tenon 30F are less than tongue-and-groove 40F wedged bottom wall 402F minimum point and the horizontal range L3F above this tongue-and-groove 40F between the vertical extension line of side 14F minimum point, L1F < L3F as shown in Figure 42.

When the present invention shifts to the sheet unit 10F with tongue-and-groove 40F with the sheet unit 10F of tenon 30F, when the first convex rank 31F of this tenon 30F lean face 312F lean side 14F place above tongue-and-groove 40F time, scope (as shown in figure 47) above the low groove 400F that the lower protruding block 300F of its tenon 30F has fallen into another sheet unit 10F tongue-and-groove 40F, based on the technical essential of above-mentioned L1F < L3F, the lower protruding block 300F minimum point of this tenon 30F not yet touches tongue-and-groove 40F wedged bottom wall 402F minimum point, the present invention like this can adopt the mode of pressing to carry out the fastening between sheet unit 10F.

The sheet unit 10F be lifted is pressed downwards (shown in Figure 47 arrow) by two sheet unit 10F joints by Figure 47 display, the interior inclined-plane 302F of tenon 30F lower protruding block 300F can be subject to tongue-and-groove 40F wedged bottom wall 402F and guide, make tenon 30F along tongue-and-groove 40F wedged bottom wall 402F direction to downslide, due to the angle between tenon 30F and tongue-and-groove 40F and dimensional fits, the first convex rank 31F can be allowed to lean cell wall 44F and side 14F interface point on face 312F and stop surface 311F interface point and tongue-and-groove 40F be staggered, allow tenon 30F slip into fastening location in tongue-and-groove 40F;

It is the state that tenon 30F and tongue-and-groove 40F fastens to locating shown in Figure 48, lean with upper cell wall 44F at the stop surface 311F of this first convex rank 31F of this state, this lock catch block 47F is snapped in snap close ditch 37F, interior inclined-plane 302F and the tongue-and-groove 40F wedged bottom wall 402F of this tenon 30F lower protruding block 300F lean, and can reach due sheet material snap close equally and connect effect.

For sheet material assembling of the present invention is arranged in the embodiment schematic diagram arranged in the same way shown in Figure 49, Figure 50 is the embodiment schematic diagram that sheet material of the present invention assembling is arranged in the crisscross type of 3 × 3 square, Figure 51 is that sheet material of the present invention assembling is arranged in tandem, the embodiment schematic diagram of the horizontally-arranged type that is staggered (V-shaped or be commonly called as herringbone), because the present invention is when two sheet units recline to assembling location, exert a force in pressing mode, tenon between two sheet units and tongue-and-groove are interlocked, and do not need sheet unit while stick up and assemble, thus can adopt suitable Aspect Ratio carry out collocation arrangement be assembled into various different form, another arrangement mode shown in Figure 51, it must have the sheet material setting unit of two kinds of tenons and groove rightabout specification, wherein a kind of by a long limit four sides be clockwise formed with tenon, tenon, tongue-and-groove, tongue-and-groove respectively, another kind four sides of anticlockwise by a long limit are formed with tenon, tenon, tongue-and-groove, tongue-and-groove respectively, be assembled in tandem and horizontally-arranged respectively with the sheet unit of these two kinds of specifications, so can be arranged in tandem, the horizontally-arranged type that is staggered (V-shaped).

Figure 52 is the another kind of embodiment assembling schematic diagram that sheet material of the present invention assembling is arranged in tandem, the horizontally-arranged type that is staggered, Figure 53 is Figure 52 part-structure enlarged diagram, wherein be depicted as tenon 30C and the tongue-and-groove 40C of the present invention the 4th preferred embodiment, can see that in Figure 53 the tenon 30C of its long limit and minor face evenly passes to the position shown in Figure 29 by the sheet unit 10C assembled clearly, then in the mode of pressing, the fastening that the tenon 30C of long limit and minor face is pressed in tongue-and-groove 40C located again.

Pressing fastened type lock plate fastening method of the present invention first moves in tongue-and-groove by the tenon of a sheet unit, to treat above the low groove that the lower protruding block minimum point of its tenon enters tongue-and-groove in scope, again with the sheet unit edge force of the mode of pressing to band tenon, make the wedged bottom wall guided of interior inclined-plane via tongue-and-groove low groove of tenon lower protruding block, the fastening allowing tenon enter in tongue-and-groove is located, when carrying out the assembling of sheet unit with the inventive method, move in tongue-and-groove at the tenon of a sheet unit, to treat above the low groove that the lower protruding block minimum point of its tenon enters tongue-and-groove before scope, do not have any stop, being located to the fastening that tenon enters in tongue-and-groove by this position is press mode to exert a force again, it does not need when assembling to exert a force in conplane increasing by sheet unit opposite side, two sheet units just can be allowed to combine, so the mode of knocking will be adopted to exert a force at the another side of sheet unit when assembling, nature would not cause the tenon of another side or the structural failure of groove.

Claims

1. a pressing fastened type lock plate, this sheet material is assembled by rectangular sheet unit (10), this sheet unit (10) has one first plane, one second plane and four sides, at least two relative sides (12 wherein, 14) tenon (30) and tongue-and-groove (40) is formed on respectively, tenon (30) and the tongue-and-groove (40) of different plates unit (10) can fasten mutually, it is characterized in that:

The tenon (30) protruded to this side (12) outside is formed at this sheet unit (10) one side (12), this tenon (30) has an end face (34), a lateral surface (35), a lower protruding block (300) is provided with at this tenon (30) lower edge, be an outer inclined-plane (301) outside this lower protruding block (300), be inclined-plane (302) in inside this lower protruding block (300), between this lower protruding block (300) and side (12), form the snap close ditch (37) that a section is acute angle;

Recessed tongue-and-groove (40) is formed at this sheet unit (10) another side (14), this tongue-and-groove (40) can accommodating aforementioned tenon (30), this tongue-and-groove (40) has cell wall on (44), one internal groove side wall (45), a low groove (400) is formed in this tongue-and-groove (40) bottom surface, this low groove (400) can accommodating aforementioned lower protruding block (300), between this low groove (400) and side (14), form a section is acute angle lock catch block (47), a wedged bottom wall (402) is formed by lock catch block (47) inner side at this low groove (400), this lock catch block (47) can be contained in aforementioned snap close ditch (37), one first raised line (41) is formed with internal groove side wall (45) junction at the upper cell wall (44) of this tongue-and-groove (40), be a stop surface (411) in the bottom surface of this first raised line (41), side is one lean face (412),

Horizontal range (L1) between lower protruding block (300) minimum point of this tenon (30) with the vertical extension line of lateral surface (35) peak of its tenon (30) is less than the horizontal range (L2) between the vertical extension line of the face that leans (412) minimum point of tongue-and-groove (40) lock catch block (47) peak and this first raised line (41);

Horizontal range (L1) between lower protruding block (300) minimum point of this tenon (30) with the vertical extension line of lateral surface (35) peak of its tenon (30) is greater than the horizontal range (L3) between the vertical extension line of the face that leans (412) minimum point of tongue-and-groove (40) wedged bottom wall (402) minimum point and the first raised line (41);

Whereby, sheet unit (10) with tenon (30) shifts to sheet unit (10) with tongue-and-groove (40) at same plane, this tenon (30) starts to enter in tongue-and-groove (40), the lateral surface (35) of this tenon (30) can lean on the face that leans (412) of another sheet unit (10) first raised line (41), the lower protruding block (300) of its tenon (30) namely enters in low groove (400) the top scope of another sheet unit (10) tongue-and-groove (40) simultaneously, the interior inclined-plane (302) of tenon (30) lower protruding block (300) is allowed to contact with the wedged bottom wall (402) of another sheet unit (10) tongue-and-groove (40) low groove (400), namely cannot continue to push another sheet unit with tongue-and-groove (40) (10) at same plane at the sheet unit (10) of this state with tenon (30), then namely the fastening between sheet unit (10) is carried out in the mode of pressing.

2. pressing fastened type lock plate according to claim 1, it is characterized in that: end face (34) and side (12) junction of described tenon (30) are formed with one first convex rank (31), be a stop surface (311) at the end face on these the first convex rank (31), side is one lean face (312).

3. pressing fastened type lock plate according to claim 2, is characterized in that: the horizontal range (L4) between the vertical extension line of lateral surface (35) peak of described tenon (30) top side (12) outermost and its tenon (30) is greater than side (14) outermost and the first raised line (41) above tongue-and-groove (40) and leans the horizontal range (L5) between the vertical extension line of face (412) minimum point.

4. pressing fastened type lock plate according to claim 3, is characterized in that: the horizontal range (L4) between the vertical extension line of lateral surface (35) peak of described tenon (30) top side (12) outermost and its tenon (30) is less than side (14) outermost and the horizontal range (L6) between the vertical extension line of internal groove side wall (45) peak above tongue-and-groove (40).

5. pressing fastened type lock plate according to claim 4, it is characterized in that: described tenon (30) is arranged in tongue-and-groove (40) and fastens positioning states, this tenon (30) end face (34) leans with the stop surface (411) of the first raised line (41), stop surface (311) and the upper cell wall (44) on the first convex rank (31) lean, lock catch block (47) is snapped in snap close ditch (37), and interior inclined-plane (302) and tongue-and-groove (40) the wedged bottom wall (402) of this tenon (30) lower protruding block (300) lean.

6. pressing fastened type lock plate according to claim 1, is characterized in that: outer inclined-plane (301) and interior inclined-plane (302) of described lower protruding block (300) are cambered surface.

7. pressing fastened type lock plate according to claim 1, it is characterized in that: the upper cell wall (44A) of described tongue-and-groove (40A) is formed with again one second raised line (42A) with the face that leans (412A) junction of the first raised line (41A), the bottom surface of this second raised line (42A) is a stop surface (421A), and side is one lean face (422A).

8. pressing fastened type lock plate according to claim 7, it is characterized in that: end face (34A) and side (12A) junction of described tenon (30A) are formed with one first convex rank (31A) and one second convex rank (32A), be a stop surface (311A) at the end face on these the first convex rank (31A), side is one lean face (312A), be a stop surface (321A) at the end face on these the second convex rank (32A), side is one lean face (322A).

9. pressing fastened type lock plate according to claim 8, is characterized in that: the horizontal range (L4A) between the vertical extension line of lateral surface (35A) peak of described tenon (30A) top side (12A) outermost and its tenon (30A) is greater than side (14A) outermost and the first raised line (41A) above tongue-and-groove (40A) and leans the horizontal range (L5A) between the vertical extension line of face (412A) minimum point.

10. pressing fastened type lock plate according to claim 9, is characterized in that: the horizontal range (L4A) between the vertical extension line of lateral surface (35A) peak of described tenon (30A) top side (12A) outermost and its tenon (30A) is less than side (14A) outermost and the horizontal range (L6A) between the vertical extension line of internal groove side wall (45A) peak above tongue-and-groove (40A).

11. pressing fastened type lock plates according to claim 10, is characterized in that: described tenon (30A) top side (12A) outermost and its first convex rank (31A) horizontal range (L7A) leaned between the vertical extension line of face (312A) peak are greater than side (14A) outermost and the second raised line (42A) above tongue-and-groove (40A) and lean the horizontal range (L8A) between the vertical extension line of face (422A) minimum point.

12. pressing fastened type lock plates according to claim 11, is characterized in that: described tenon (30A) top side (12A) outermost and its first convex rank (31A) horizontal range (L7A) leaned between the vertical extension line of face (312A) peak are less than side (14A) outermost and the first raised line (41A) above tongue-and-groove (40A) and lean the horizontal range (L9A) between the vertical extension line of face (412A) peak.

13. pressing fastened type lock plates according to claim 12, it is characterized in that: described tenon (30A) is arranged in tongue-and-groove (40A) and fastens positioning states, this tenon (30A) end face (34A) leans with the stop surface (411A) of the first raised line (41A), the stop surface (311A) on the first convex rank (31A) and the stop surface (421A) of the second raised line (42A) lean, stop surface (321A) and the upper cell wall (44A) on the second convex rank (32A) lean, lock catch block (47A) is snapped in snap close ditch (37A), interior inclined-plane (302A) and tongue-and-groove (40A) wedged bottom wall (402A) of this tenon (30A) lower protruding block (300A) lean.

14. pressing fastened type lock plates according to claim 2 or 7, it is characterized in that: side (12) comparatively top side (12) retraction of described this tenon (30) below, the horizontal range (X) of its retraction is less than 25% of sheet unit (10) thickness.

15. pressing fastened type lock plates according to claim 2 or 7, is characterized in that: the side (14) of described this tongue-and-groove (40) upper and lower is on same vertical plane.

16. pressing fastened type lock plates according to claim 1,2,7 or 8, it is characterized in that: the side (14B) of the side (14B) of described tongue-and-groove (40B) top comparatively this tongue-and-groove (40B) below is recessed into, and this tongue-and-groove (40B) is formed in this side (14B) place and forms one in the section of L-shaped; The side (12B) of the side (12B) of corresponding this tenon (30B) top comparatively this tenon (30B) below protrudes, and this tenon (30B) is formed in this side (12B) place and forms one in inverted L-shaped section.

17. pressing fastened type lock plates according to claim 1, it is characterized in that: described tenon (30B) is arranged in tongue-and-groove (40B) and fastens positioning states, the end face (34B) of this tenon (30B) and the stop surface (411B) of the first raised line (41B) lean, this lock catch block (47B) is snapped in snap close ditch (37B), and interior inclined-plane (302B) and tongue-and-groove (40B) wedged bottom wall (402B) of this tenon (30B) lower protruding block (300B) lean.

18. pressing fastened type lock plates according to claim 1 or 17, is characterized in that: outer inclined-plane (301B) and interior inclined-plane (302B) of described this lower protruding block (300B) are inclined-plane.

19. pressing fastened type lock plates according to claim 1,2,7 or 8, is characterized in that: the stop surface (411) that outermost end to the distance between interior inclined-plane (302) to any point that wedged bottom wall (402) leans of described tenon (30) end face (34) is greater than tongue-and-groove (40) first raised line (41) and the distance leaned between face (412) interface point to the corresponding point leant of wedged bottom wall (402).

20. pressing fastened type lock plates according to claim 1, is characterized in that: described two sheet units (10) are at same plane in time contacting, and its contact position at least side is inclined-plane.

21. pressing fastened type lock plates according to claim 1, it is characterized in that: described two sheet units (10), are contacted with tongue-and-groove (40) lock catch block (47) in the outer inclined-plane (301) tilted by this tenon (30) at same plane in time contacting.

22. pressing fastened type lock plates according to claim 1, is characterized in that: this lock catch block (47) outside between the peak of described this lock catch block (47) and side (14) forms a guide surface tilted (140).

23. pressing fastened type lock plates according to claim 20, it is characterized in that: described two sheet units (10), are contacted with the guide surface (140) of tongue-and-groove (40) lock catch block (47) in the outer inclined-plane (301) tilted by this tenon (30) at same plane in time contacting.

24. 1 kinds of pressing fastened type lock plates, this sheet material is assembled by rectangular sheet unit (10F), this sheet unit has one first plane, one second plane and four sides, at least two relative sides are formed with tenon and tongue-and-groove respectively wherein, the tenon of different plates unit and tongue-and-groove can fasten mutually, it is characterized in that:

The tenon (30F) protruded to this side (12F) outside is formed at this sheet unit (10F) side (12F), this tenon (30F) has an end face (34F), one lateral surface (35F), a lower protruding block (300F) is provided with at this tenon (30F) lower edge, be an outer inclined-plane (301F) outside this lower protruding block (300F), be inclined-plane (302F) in inside this lower protruding block (300F), the snap close ditch (37F) that a section is acute angle is formed between this lower protruding block (300F) and side (12F), one first convex rank (31F) are formed with side (12F) junction at the end face (34F) of this tenon (30F), be a stop surface (311F) at the end face on these the first convex rank (31F), side is one lean face (312F),

Recessed tongue-and-groove (40F) is formed at this sheet unit (10F) another side (14F), this tongue-and-groove (40F) has cell wall on (44F), one internal groove side wall (45F), a low groove (400F) is formed in this tongue-and-groove (40F) bottom surface, this low groove (400F) can accommodating aforementioned lower protruding block (300F), between this low groove (400F) and side (14F), form a section is acute angle lock catch block (47F), a wedged bottom wall (402F) is formed by lock catch block (47F) inner side at this low groove (400F), this lock catch block (47F) can be contained in aforementioned snap close ditch (37F),

Lower protruding block (300F) minimum point of this tenon (30F) and the first convex rank (31F) horizontal range (L1F) leaned between the vertical extension line of face (312F) peak of its tenon (30F) are greater than the horizontal range (L2F) between tongue-and-groove (40F) lock catch block (47F) peak with the vertical extension line of this tongue-and-groove (40F) top side (14F) minimum point;

Lower protruding block (300F) minimum point of this tenon (30F) and the first convex rank (31F) horizontal range (L1F) leaned between the vertical extension line of face (312F) peak of its tenon (30F) are less than the horizontal range (L3F) between tongue-and-groove (40F) wedged bottom wall (402F) minimum point with the vertical extension line of this tongue-and-groove (40F) top side (14F) minimum point;

Whereby, sheet unit (10F) with tenon (30F) shifts to sheet unit (10F) with tongue-and-groove (40F) at same plane, this tenon (30F) starts to enter in tongue-and-groove (40F), the first convex rank (31F) of this tenon (30F) lean face (312F) and lean at side (14F) place, tongue-and-groove (40F) top, lower protruding block (300F) minimum point of its tenon (30F) enters in low groove (400F) the top scope of another sheet unit (10F) tongue-and-groove (40F) simultaneously, the interior inclined-plane (302F) of tenon (30F) lower protruding block (300F) is allowed to contact with the wedged bottom wall (402F) of another sheet unit (10F) tongue-and-groove (40F) low groove (400F), namely cannot continue to push another sheet unit with tongue-and-groove (40F) (10F) at same plane at the sheet unit (10F) of this state with tenon (30F), then namely the fastening between sheet unit (10F) is carried out in the mode of pressing.

25. pressing fastened type lock plates according to claim 24, it is characterized in that: described tenon (30F) is arranged in tongue-and-groove (40F) and fastens positioning states, the stop surface (311F) on these the first convex rank (31F) leans with the upper cell wall (44F) of tongue-and-groove (40F), this lock catch block (47F) is snapped in snap close ditch (37F), and interior inclined-plane (302F) and tongue-and-groove (40F) wedged bottom wall (402F) of this tenon (30F) lower protruding block (300F) lean.

26. pressing fastened type lock plates according to claim 24, is characterized in that: the outer inclined-plane (301F) of described this lower protruding block (300F) and interior inclined-plane (302F) are cambered surface or inclined-plane.

27. pressing fastened type lock plates according to claim 24, is characterized in that: this lock catch block (47F) outside between the described peak at this lock catch block (47F) and side (14F) forms a guide surface tilted (140F).

28. pressing fastened type lock plates according to claim 24, it is characterized in that: side (12F) comparatively top side (12F) retraction of described this tenon (30F) below, the horizontal range of its retraction is less than 25% of sheet unit (10F) thickness.

29. pressing fastened type lock plates according to claim 24, is characterized in that: the side (14F) of described this tongue-and-groove (40F) upper and lower is on same vertical plane.

The fastening method of 30. 1 kinds of pressing fastened type lock plates, this sheet material is assembled by rectangular sheet unit, this sheet unit has one first plane, one second plane and four sides, at least two relative sides are formed with tenon and tongue-and-groove respectively wherein, the tenon of different plates unit and tongue-and-groove can fasten mutually, it is characterized in that: