CN203562370U - Contact plate fixing structure - Google Patents
Contact plate fixing structure Download PDFInfo
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- CN203562370U CN203562370U CN201320799843.3U CN201320799843U CN203562370U CN 203562370 U CN203562370 U CN 203562370U CN 201320799843 U CN201320799843 U CN 201320799843U CN 203562370 U CN203562370 U CN 203562370U
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- boss
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Abstract
The utility model provides a contact plate fixing structure. The contact plate fixing structure comprises a shell and a contact plate, wherein a slot is formed in the shell; after the contact plate is inserted to a certain degree, the slot limits the contact plate so that the contact plate cannot advance along the inserting direction; a boss is arranged on the contact plate; an elastic clamping groove is formed in the shell and corresponds to the boss; and the boss can be inserted in the elastic clamping groove. When the contact plate is inserted in the slot to a certain degree and cannot advance again due to limitation of the slot, the elastic clamping groove and the boss form an inverted fastening locking structure, so that the contact plate cannot move along the direction opposite to the inserting direction of the contact plate; the contact plate is positioned in the inserting direction and the direction opposite to the inserting direction by using the inverted fastening locking structure and the slot; the problem that the contact plate creeps due to interference fit after being used for a long time and then loosens in the direction opposite to the inserting direction is solved; and owing to the inverted fastening locking structure, new parts are omitted, and the production cost cannot be increased.
Description
Technical field
The utility model relates to a kind of contact plate fixed structure, belongs to low voltage electrical apparatus technology field.
Background technology
Contactor is a kind of control apparatus of automation, and it is to utilize coil current flowing to produce magnetic field, makes contact closure, to reach the electrical equipment of control load.Contactor is comprised of electromagnetic system, contact system, arc-control device, the insulation body and annex etc. conventionally, contact system comprises static contact component and moving contact, moving contact armature interlock common and electromagnetic system arranges, during the coil electricity of electromagnetic system, armature drives moving contact to coordinate with corresponding static contact component, thereby connects load power source.Static contact component generally consists of contact plate and fixed contact, fixed contact is fixed on contact plate, contact plate is fixed on the insulation body of contactor, thereby whole static contact component is fixed on the body and matches with moving contact, contact plate is used for supporting and the fixed contact of fixed contact, so requires contact plate can not to move by occurrence positions when being subject to the pressure of moving contact.
At present, contact plate adopts pressure assembling mode to be fixed on the body, as shown in figure 18, contact plate 2 is inserted into after the slot on the body 1, the interference fit at contact plate 2 and the body 1 C place in Y-direction dependence figure positions, directions X (being the direction of insertion of contact plate 2) rely in the drawings A place accurately location (top of slot direction of insertion withstands contact plate at A place) and in the drawings B place by supporter 3, compress.The contact plate fixed structure of the prior art comprises the body 1, contact plate 2 and supporter 3, owing to needing to install several contact plates 2 on the body 1, and each contact plate 2 needs to locate by supporter 3, supporter 3 need to be installed to separately the correct position place of the body 1, therefore the contact plate fixed structure of the prior art is complicated, production cost is higher, and economic benefit is low.
Also has a kind of contact plate pressure assembled fixed structure, as shown in figure 19, contact plate 2 is inserted into after the slot on the body 1, contact plate 2 and the body 1 rely on A place in the drawings accurately to locate at directions X, in addition, as can be seen from Figure, the prior art has been cancelled supporter 3 elastic compression effects, and directly rely on Y-direction in the drawings C place interference fit prevent contact plate 2 getting loose along X opposite direction (rightabouts of contact plate 2 direction of insertion).Although the contact plate fixed structure of the prior art has been cancelled the setting of supporter 3, reduced production cost, but contact plate 2 is at the interference fit location place of Y-direction, after long-term use, can produce creep, thereby cause contact plate 2 fixedly appearance in the Y direction loosening, and because contact plate 2 is not located on directions X, therefore in use contact plate 2 is as easy as rolling off a log, in the larger position of directions X appearance, move, thereby cause the dynamic/static contact of contactor product not coordinate, this is very serious quality problems in the use procedure of contactor product reliable and stablely.
To sum up, how to provide a kind of simple in structure, and after long-time use, can on direction of insertion rightabout, not to produce the contact plate fixed structure getting loose be the technical barrier that prior art does not also have solution.
Utility model content
For this reason, technical problem to be solved in the utility model is to overcome electrical equipment contact plate in prior art and on direction of insertion rightabout, easily produces loosening problem after using for a long time, provide a kind of simple in structure, and after long-time use, contact plate can not produce the contact plate fixed structure getting loose on direction of insertion rightabout.
Further provide a kind of simple in structure, locating effect good contact plate fixed structure still after contact plate all being positioned on three coordinate directions and using for a long time.
For solving the problems of the technologies described above, the utility model is to provide a kind of contact plate fixed structure, comprise the body and contact plate, on the described body, form slot, described slot limits described contact plate after described contact plate inserts certain position can not be continued to advance along its direction of insertion; On described contact plate, form boss, the described body is forming with described boss opposite position place the elasticity draw-in groove inserting for described boss, certain position in described contact plate inserts described slot and can not be moved on by the restriction of described slot time, described elasticity draw-in groove and described boss form back-off locking structure, so that described contact plate can not be along moving with its direction of insertion rightabout.
Described boss pushes described elasticity draw-in groove continuous modification when inserting described elasticity draw-in groove, certain position in described contact plate inserts described slot and can not be moved on by the restriction of described slot time, after described boss and described continuous modification, the described elastic card groove of recovery does not form described back-off locking structure completely.
Described back-off locking structure comprise be molded over the lock part on described elasticity draw-in groove and be molded on described boss, match with described lock part by lock part.
Described elasticity draw-in groove comprises two elastic arms that extend along described contact plate direction of insertion that are molded on the described body and is molded over the passage between elastic arm madial wall described in two.
Described passage comprises that along described contact plate direction of insertion, by the wide first narrowing down gradually and the second portion with uniform cross-section being connected with described first, described second portion is positioned at the front end of described contact plate direction of insertion.
Described lock part comprises two ends of conflicting that are positioned at described contact plate direction of insertion top that are molded over respectively elastic arm madial wall described in two; Described by lock part, comprised that two edges and described contact plate direction of insertion rightabout extend and relative tilt to the inside by conflict limit, described conflict end is against respectively accordingly described by conflict limit.
Described conflict end is applied to the described angle by the direction of power on conflict limit and the formation of described contact plate direction of insertion and is not more than 40 degree, so that described conflict end and described by the formation self-locking of conflict limit.
Described is straight hypotenuse by conflict limit.
Described conflict end is right angle end points, or rounding, or falls hypotenuse.
Described boss also form be positioned at described by lock part along the front end of described contact plate direction of insertion, for guiding described boss to insert the guide part of described passage.
Described guide part is along being narrowed down gradually by wide in described contact plate direction of insertion.
Described guide part is two guide edges, and two described guide edges tilt relatively to the inside along the front end of described contact plate direction of insertion.
Described guide edge is straight hypotenuse.
Described boss forming is on the plate face of described contact plate.
The cross sectional shape of described boss is pentagon, or quadrangle.
Described boss is Split type structure.
Described boss comprises two parts separately, and the cross sectional shape of every part is triangle.
Described slot has at the fit structure with described contact plate being positioned on the vertical and orthogonal both direction of described contact plate direction of insertion.
Described fit structure is included in the over-surplus fit structure in the direction perpendicular to described contact plate upper and lower plates face, described contact plate being positioned.
Described over-surplus fit structure comprises the projection being molded on described contact plate and the slot cell wall clamping with described projection after described contact plate inserts described slot.
Described projection is arc.
It is parallel with described contact plate plate face and perpendicular to the matched in clearance structure in the direction of described contact plate direction of insertion, described contact plate being positioned that described fit structure is also included in.
Described certain position is the apical position along described contact plate direction of insertion that described contact plate is inserted into described slot.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. in the utility model, by moulding boss on contact plate, the elasticity draw-in groove that moulding is inserted for boss on the body, make contact plate when assembling, described contact plate is inserted into certain position in described slot and can not be moved on by described slot restriction time, described elasticity draw-in groove and described boss form back-off locking structure, described back-off locking structure location is reliable, the acting in conjunction of itself and slot has realized the location at its direction of insertion and direction of insertion rightabout both direction to contact plate, avoided described contact plate after working long hours, to there will be loosening phenomenon on direction of insertion and direction of insertion rightabout both direction, the formation of back-off buckle structure of the present utility model, do not increase new parts, do not increase production cost.
2. in the utility model, described boss pushes described elasticity draw-in groove continuous modification when inserting described elasticity draw-in groove, certain position in described contact plate inserts described slot and can not be moved on by the restriction of described slot time, the described elastic card groove not recovering completely after described boss and continuous modification forms described back-off locking structure, described elasticity draw-in groove to have the described contact plate of described boss position be mainly utilized described elasticity draw-in groove to be extruded continuous modification in boss insertion process after also not perfect elasticity recover, there is elastic restoring force, described elastic arm acts on boss by this elastic restoring force just, the location of realization to boss and contact plate, this back-off locking structure is simple, location is reliable, avoided contact plate to occur loosening risk along the rightabout of its direction of insertion.
3. in the utility model, described elasticity draw-in groove comprises two elastic arms that extend along described contact plate direction of insertion that are molded on the described body and is molded over the passage between elastic arm madial wall described in two, described passage comprises along described contact plate direction of insertion by the wide first narrowing down gradually and the second portion with uniform cross-section being connected with described first, described second portion is positioned at the front end of described contact plate direction of insertion, described boss is introduced into the described first being narrowed down by wide along direction of insertion, push the elastic arm strain of described first both sides, then enter the second portion with uniform cross-section, the strain of elastic arm is constant, when the width position of boss is after the front end of second portion, elastic arm starts elasticity and recovers, and a certain position in elasticity recovery process and boss form described back-off locking structure, in this process, the described second portion of described passage plays transitional function.
4. in the utility model, described lock part comprises two ends of conflicting that are positioned at described contact plate direction of insertion top that are molded over respectively elastic arm madial wall described in two; Described by lock part, comprised that two edges and described contact plate direction of insertion rightabout extend and relative inclination to the inside by conflict limit, described conflict end is against respectively corresponding described by conflict limit, by the above end and described by the setting on conflict limit of conflicting, make described conflict end point to the described conflict power by conflict limit the direction that described contact plate inserts, thereby the barrier force that the end of conflicting is subject to slot to the conflict power by conflict limit and contact plate realize contact plate location on the rightabout of its direction of insertion and direction of insertion; In addition, described conflict end and the described angle being formed by the rightabout of the normal direction at the place of offseting, conflict limit and described contact plate direction of insertion are not more than Self-locking angle, be described conflict end with described by contacting of conflict limit, be self-locking, this arranges and has guaranteed that the boss of contact plate and elastic arm there will not be and rock at work.
5. in the utility model, described boss also form be positioned at described by lock part along the front end of described contact plate direction of insertion, for guiding described boss to insert the guide part of described passage, described guide part is along being narrowed down gradually by wide in described contact plate direction of insertion, described guide part is two guide edges, two described guide edges are the relative straight hypotenuse tilting to the inside of front end along described contact plate direction of insertion, the straight hypotenuse of guide part and the straight hypotenuse of elastic arm have together played sufficient guide effect, make boss balanced with the STRESS VARIATION of the assembling process of elastic arm, steadily.
6. in the utility model, described boss forming is on the plate face of described contact plate, the cross sectional shape of described boss is regular pentagon or quadrangle, has the described contact plate of described boss by simple continuous stamping die machine-shaping, is easy to realize mass and automation.
7. in the utility model, described boss can also be Split type structure, and this kind setting can be saved the material of using of described boss, and for producing in enormous quantities, this setting can be lowered into product cost undoubtedly.
8. in the utility model, described slot has at the fit structure with described contact plate being positioned on the vertical and orthogonal both direction of described contact plate direction of insertion, thereby with perpendicular two coordinate directions of contact plate direction of insertion on, described contact plate has been realized to location, more than locate the location that fit structure carries out in direction of insertion described contact plate by described back-off locking structure in conjunction with above-mentioned elastic arm, realized the location of described contact plate on three coordinate directions.
9. in the utility model, described fit structure is included in the over-surplus fit structure in the direction perpendicular to described contact plate upper and lower plates face, described contact plate being positioned, and this kind of location structure location is reliable.
10. in the utility model, it is parallel with described contact plate plate face and perpendicular to the matched in clearance structure in the direction of described contact plate direction of insertion, described contact plate being positioned that described fit structure is also included in, matched in clearance structure is conducive to contact plate to be inserted in slot, has improved efficiency of assembling.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the contact plate of embodiment 1 and the assembling schematic diagram of the body;
Fig. 2 is the end view of the contact plate of embodiment 1 and the assembling of the body;
Fig. 3 is the structural representation of the body of embodiment 1;
Fig. 4 is the structural representation of the contact plate of embodiment 1;
Fig. 5 is boss and elastic arm assembling process schematic diagram in embodiment 1;
Fig. 6 is the self-lock mechanism schematic diagram of boss and elastic arm in embodiment 1;
Fig. 7 is embodiment 1 Elastic arm and boss elastic compression principle schematic;
Fig. 8 is boss and the elastic arm structural representation after assembling in embodiment 1;
Fig. 9 is boss and the elastic arm structural representation after assembling in embodiment 2;
Figure 10 is boss and the elastic arm structural representation after assembling in embodiment 3;
Figure 11 is boss and the elastic arm structural representation after assembling in embodiment 5;
Figure 12 is boss and the elastic arm structural representation after assembling in embodiment 5;
Figure 13 is boss and the elastic arm structural representation after assembling in embodiment 5;
Figure 14 is boss and the elastic arm structural representation after assembling in embodiment 4;
Figure 15 is boss and the elastic arm structural representation after assembling in embodiment 4;
Figure 16 is boss and the elastic arm structural representation after assembling in embodiment 4;
Figure 17 is contact plate and the body perspective view after assembling in embodiment 1;
Figure 18 is the assembling schematic diagram of contact plate of the prior art and the body;
Figure 19 is the assembling schematic diagram of contact plate and the body in another prior art.
In figure, Reference numeral is expressed as: the 1-body, 11-elastic arm, 12-passage, 111-are conflicted, and end, 12a-first, 12b-second portion, 13-slot, 2-contact plate, 21-boss, 22-are protruding, 211-is conflicted limit, 213-guide edge.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
As preferred embodiment of the present utility model, as shown in Figure 1, Figure 2 with shown in Figure 17, the present embodiment provides a kind of contact plate fixed structure, comprise the body 1 and contact plate 2, as shown in Figure 3, on the described body 1, form slot 13, described slot 13 limits described contact plate 2 after described contact plate 2 inserts certain position can not be continued to advance along its direction of insertion, described certain position place at described slot 13 realizes accurately location to described contact plate 2, guarantees that described contact plate 2 is assembled to the position of requirement.It should be noted that, in the present embodiment, described certain position is the apical position along described contact plate 2 direction of insertion (being A place in Fig. 2) that described contact plate 2 is inserted into described slot 13, but the accurately located position of the contact plate 2 that the present embodiment provides is also limited to this, for example, described contact plate can also can not moved on by the limiting structure restriction in described slot when being inserted into described slot 13 apical position.
In order to realize described contact plate 2 in its direction of insertion and the rightabout reliable location of direction of insertion, in the present embodiment, as shown in Figure 1 and Figure 4, on described contact plate 2, form boss 21, as shown in figures 1 and 3, the described body 1 is forming with described boss 21 opposite position places the elasticity draw-in groove inserting for described boss 21, as depicted in figs. 1 and 2, in the time of can not being moved on by described slot 13 restrictions at the described contact plate 2 insertion interior certain positions of described slot 13, described elasticity draw-in groove and described boss 21 form back-off locking structure, so that described contact plate 2 can not be along moving with its direction of insertion rightabout, described back-off locking structure and described slot 13 are fixed at the front end of direction of insertion and the rear end of direction of insertion described contact plate 2 respectively along the top of direction of insertion, thereby realized the reliable location on its direction of insertion and direction of insertion rightabout both direction to described contact plate 2, prevented that described contact plate 2 is after long-term use, along its direction of insertion rightabout, there is loosening phenomenon, and the described back-off locking structure of the present embodiment is formed by the described contact plate 2 of part and the described elasticity draw-in groove 13 of part, not extra other parts that increase, can not increase production cost.
Particularly, in the present embodiment, as shown in Figure 5, described boss 21 pushes described elasticity draw-in groove continuous modification when inserting described elasticity draw-in groove, in the time of can not being moved on by described slot 13 restrictions at the described contact plate 2 insertion interior certain positions of described slot 13, the described elastic card groove not recovering completely after described boss 21 and described continuous modification does not form described back-off locking structure.Described elasticity draw-in groove is mainly the elastic recovery capability that has utilized described elasticity draw-in groove to having the location of the described contact plate 2 of described boss 21, just by resilient force that after described elasticity draw-in groove strain, perfect elasticity is recovered on described boss 21, just make to form back-off locking structure between described boss 21 and described elasticity draw-in groove, thereby realize on the rightabout of described contact plate 2 direction of insertion, to described contact plate 2 location.
Further be specially, in the present embodiment, as shown in Fig. 1, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, described back-off locking structure comprise be molded over the lock part on described elasticity draw-in groove and be molded on described boss 21 with described lock part offset by lock part.
In the present embodiment, as shown in figures 1 and 3, described elasticity draw-in groove comprises two elastic arms 11 that extend along described contact plate 2 direction of insertion that are molded on the described body 1 and is molded over the passage 12 between elastic arm 11 madial walls described in two.
Described passage 12 comprises that along described contact plate 12 direction of insertion, by the wide 12a of first narrowing down gradually and the second portion 12b with uniform cross-section being connected with the described 12a of first, described second portion 12b is positioned at the front end of described contact plate 12 direction of insertion.Described boss 21 is introduced into the described 12a of first being narrowed down by wide along direction of insertion, push described elastic arm 11 strains of the described 12a of first both sides, then enter the described second portion 12b with uniform cross-section, the strain of described elastic arm 11 is constant, when the width position of described boss 21 is after the front end of described second portion 12b, described elastic arm 11 starts elasticity and recovers, and a certain position in elasticity recovery process and the described back-off locking structure of described boss 21 formation, in this process, described second portion 12b plays transition and adjusts the effect that 111 conflict positions are held in described conflict.
Again further particularly, in the present embodiment, as shown in Figure 6 and Figure 7, described lock part comprises two ends 111 of conflicting that are positioned at described contact plate 2 direction of insertion tops that are molded over respectively elastic arm 11 madial walls described in two.Described by lock part, comprised that two edges and described contact plate 2 direction of insertion rightabouts extend and relative tilt to the inside by conflict limit 211, described conflict end 111 is against respectively accordingly described by conflict limit 211.By the above end 111 and described by the setting on conflict limit 211 of conflicting, being applied to of formation is described is partial to described contact plate 2 direction of insertion by the conflict power on conflict limit 211 because elasticity is recovered to make described conflict end 111, thereby described conflict end 111 puts on the described barrier force F that is subject to described slot 13 by the conflict power on conflict limit 211 and described contact plate 2 and interacts, and together realizes the location on the rightabout both direction of its direction of insertion and direction of insertion to described contact plate 2.In addition, it is that described conflict end 111 is with described by the normal direction at 211 places of offseting, conflict limit that described conflict end 111 puts on the described direction N(by the conflict power on conflict limit 211) be not more than the angle of Self-locking angle θ with the angle a of described contact plate 2 direction of insertion (rightabout of F active force in figure) formation, Self-locking angle θ is 40 degree, at this, it should be noted that, described Self-locking angle θ recovers to be applied to by elasticity according to both coefficient of frictions of described contact plate 2 and described elastic arm 11 and described conflict end 111 and describedly by the size of the conflict power on conflict limit 211, is calculated, in the present embodiment, described Self-locking angle θ is 40 degree, but be not limited to 40 degree, different materials and different conflict power can make Self-locking angle θ change to some extent, the present embodiment highlights: described conflict end 111 by elasticity recover with described by contacting of conflict limit 211, be self-locking, this self-locking structure has guaranteed that described contact plate there will not be and rocks at work.
As shown in any one in Fig. 1 or Fig. 4-16, the described of the present embodiment is straight hypotenuse by conflict limit 211.
As shown in any one in Fig. 1 or Fig. 3-8, described conflict end 111 is right angle end points.
As shown in Fig. 9-16, described conflict end 111 can also be rounding or the hypotenuse that falls.
In addition, in the present embodiment, as shown in any one in Fig. 1 or Fig. 4-8, described boss 21 also form be positioned at described by lock part along the front end of described contact plate 2 direction of insertion, for guiding described boss 21 to insert the guide part of described passage 12, more steady when the effect of described guide part is to make described boss 21 to insert described passage 12.
As a kind of preferred implementation of described guide part, in the present embodiment, described guide part is along being narrowed down gradually by wide in described contact plate 2 direction of insertion.Particularly, described guide part is that 213, two described guide edges 213 of two guide edges are the relative straight hypotenuse tilting to the inside of front end along described contact plate 2 direction of insertion.In assembling process, the straight hypotenuse of two straight hypotenuses and described elastic arm 11 is bonded to each other, thereby makes contact plate 2 in assembling process, and described boss 21 is balanced with the STRESS VARIATION between described elastic arm 11, steadily.
Further particularly, in the present embodiment, as shown in arbitrary in Fig. 5-8, the cross sectional shape of described boss 21 is pentagon.
Described boss 21 is molded on the plate face of described contact plate 2; particularly; in the present embodiment; the described elastic arm 11 of considering the described body 1 is subject to space to limit the below that can only be molded over described slot 13; therefore described boss 21 is molded on the lower face of described contact plate 2; when but the described elastic arm 11 after follow-up improvement can be molded over the top of described slot 13; described boss 21 can be molded on the upper face of described contact plate 2, within this also drops into protection range of the present utility model.
Also have, in the present embodiment, as shown in Figure 2, described slot 13 has at the fit structure with described contact plate 2 being positioned on the vertical and orthogonal both direction of described contact plate 2 direction of insertion.Described fit structure is included in the over-surplus fit structure described contact plate 2 being positioned perpendicular in the direction of described contact plate 2 upper and lower plates faces, shown in C in Fig. 2.Described over-surplus fit structure comprises the projection 22 being molded on described contact plate 2 and inserts described slot 13 afterwards and the slot cell walls of described protruding 22 clampings at described contact plate 2.Particularly, as shown in Figure 4, described protruding 22 is arc.
It is parallel with described contact plate 2 plate faces and perpendicular to the matched in clearance structure in the direction of described contact plate 2 direction of insertion, described contact plate 2 being positioned that described fit structure is also included in.Be conducive to the assembling of described contact plate 2.
According to structure described above, below the assembling process of the contact plate fixed structure of the present embodiment is described with reference to the accompanying drawings:
As shown in Figure 5, the assembling of described contact plate 2 is divided into three phases.Shown in figure, represent that the described boss 21 of described contact plate 2 moves from left to right with respect to the described elastic arm 11 that represents the body 1.At guiding assembling stage, as shown in Figure 5 a, described elastic arm 11 madial walls of the described body 1 coordinate and have played sufficient guide effect with the straight hypotenuse of the described boss 21 of described contact plate 2, and the STRESS VARIATION of assembling process is balanced, steady; In the interference fit stage, as shown in Figure 5 b, under the squeezing action of the described boss 21 of described contact plate 2, the described elastic arm 11 of the described body 1 laterally strain to maximum.At back-off formation stages, as shown in Figure 5 c, two peaks up and down of the described boss 21 of described contact plate 1 are crossed forward position, 11 liang of inner sides of the described elastic arm angle point of the described body 1, described elastic arm 11 thereupon to the inside elasticity recover, back-off forms.
Described contact plate 2 continues to move right, until accurately locate at A place in Fig. 2.At this moment, due to mismachining tolerance, the possible stop place of described contact plate 2 is between contact plate rigging position I, the II shown in Fig. 7.Corresponding to the rigging position I of described contact plate 2, the strain of described elastic arm 11 is recovered completely, and its service position is the position I in Fig. 7.Corresponding to contact plate rigging position II, the strain of fore-set is partly recovered, and its service position is the position II in Fig. 7.Suppose that between contact plate rigging position I, II, distance is S, the utility model is that accumulated error is no more than and in the situation of S, all can carries out elastic compression and reliable location so.
The present embodiment provides a kind of contact plate fixed structure, the structure of the described elastic arm 11 of the present embodiment is a kind of distortion on described elastic arm 11 architecture basics of described embodiment 1, in the present embodiment, as shown in Figure 9, described elastic arm 11 is rounding along the described conflict end 111 of described contact plate 2 direction of insertion, described rounding coordinates wearing and tearing little with two straight hypotenuses of described pentagon boss, increase the service life.
The present embodiment provides a kind of contact plate fixed structure, as shown in figure 10, the structure of the described elastic arm 11 of the present embodiment is a kind of distortion on described elastic arm 11 architecture basics of described embodiment 1, in the present embodiment, described elastic arm 11 along the described conflict end 111 of described contact plate 2 direction of insertion for falling hypotenuse, described hypotenuse coordinates with the straight hypotenuse of described pentagon boss, and contact area is large, fixing more reliable.
Embodiment 4
The present embodiment provides a kind of contact plate fixed structure, as shown in Figure 14-Figure 16, the structure of the described boss 21 of the present embodiment is structural a kind of distortion of the described boss 21 of arbitrary embodiment in described embodiment 1-3, and in the present embodiment, described boss 21 is quadrangle boss.
In Figure 14, described boss 21 is quadrangle boss, and described elastic arm 11 is right angle end points along the described conflict end 111 of described contact plate 2 direction of insertion.
In Figure 15, described boss 21 is quadrangle boss, and described elastic arm 11 is rounding along the described conflict end 111 of described contact plate 2 direction of insertion.
In Figure 16, described boss 21 is quadrangle boss, described elastic arm 11 along the described conflict end 111 of described contact plate 2 direction of insertion for falling hypotenuse.
Embodiment 5
The present embodiment provides a kind of contact plate fixed structure, as shown in Figure 11-Figure 13, the structure of the described boss 21 of the present embodiment is structural a kind of distortion of the described boss 21 of arbitrary embodiment in described embodiment 1-3, in the present embodiment, described boss 21 is Split type structure, comprise two two parts that are oppositely arranged, every part all has straight hypotenuse.Described boss 21 is shaped to Split type structure, has saved described boss forming material, has reduced production cost.
In Figure 11, described boss 21 comprises two triangle boss that are oppositely arranged, and described in each, the base of triangle boss is straight hypotenuse, and described elastic arm 11 is right angle end points along the described conflict end 111 of described contact plate 2 direction of insertion.
In Figure 12, described boss 21 comprises two triangle boss that are oppositely arranged, and described in each, the base of triangle boss is straight hypotenuse, and described elastic arm 11 is rounding along the described conflict end 111 of described contact plate 2 direction of insertion.
In Figure 13, described boss 21 comprises two triangle boss that are oppositely arranged, and described in each, the base of triangle boss is straight hypotenuse, described elastic arm 11 along the described conflict end 111 of described contact plate 2 direction of insertion for falling hypotenuse.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And among the protection range that the apparent variation of being extended out thus or change are still created in the utility model.
Claims (23)
1. a contact plate fixed structure, comprise the body (1) and contact plate (2), on the described body (1), form slot (13), described slot (13) limits described contact plate (2) after described contact plate (2) inserts certain position can not be continued to advance along its direction of insertion;
It is characterized in that, on described contact plate (2), form boss (21), the described body (1) is forming with described boss (21) opposite position place the elasticity draw-in groove inserting for described boss (21), certain position in described contact plate (2) inserts described slot (13) and can not be moved on by described slot (13) restriction time, described elasticity draw-in groove and described boss (21) form back-off locking structure, so that described contact plate (2) can not be along moving with its direction of insertion rightabout.
2. contact plate fixed structure according to claim 1, it is characterized in that: described boss (21) pushes described elasticity draw-in groove continuous modification when inserting described elasticity draw-in groove, certain position in described contact plate (2) inserts described slot (13) and can not be moved on by described slot (13) restriction time, the described elastic card groove not recovering completely after described boss (21) and described continuous modification does not form described back-off locking structure.
3. contact plate fixed structure according to claim 2, is characterized in that: described back-off locking structure comprise be molded over the lock part on described elasticity draw-in groove and be molded over described boss (21) upper match with described lock part by lock part.
4. contact plate fixed structure according to claim 3, is characterized in that: described elasticity draw-in groove comprises two elastic arms (11) that extend along described contact plate (2) direction of insertion that are molded on the described body (1) and is molded over the passage (12) between elastic arm described in two (11) madial wall.
5. contact plate fixed structure according to claim 4, it is characterized in that: described passage (12) comprises that along described contact plate (2) direction of insertion, by the wide first narrowing down gradually (12a) and the second portion with uniform cross-section (12b) being connected with described first (12a), described second portion (12b) is positioned at the front end of described contact plate (12) direction of insertion.
6. according to the contact plate fixed structure described in any one in claim 3-5, it is characterized in that: described lock part comprises two ends (111) of conflicting that are positioned at described contact plate (2) (2) direction of insertion top that are molded over respectively elastic arm described in two (11) madial wall; Described by lock part, comprised that two edges and described contact plate (2) direction of insertion rightabout extend and relative tilt to the inside by conflict limit (211), described conflict end (111) is against respectively accordingly described by conflict limit (211).
7. contact plate fixed structure according to claim 6, it is characterized in that: described conflict end (111) is applied to the described angle (α) by the direction of conflict limit (211) upper power and the formation of described contact plate (2) direction of insertion and is not more than 40 degree, so that described conflict end (111) is formed self-locking with described by conflict limit (211).
8. contact plate fixed structure according to claim 7, is characterized in that: described is straight hypotenuse by conflict limit (211).
9. contact plate fixed structure according to claim 8, is characterized in that: described conflict end (111) is right angle end points, or rounding, or falls hypotenuse.
10. contact plate fixed structure according to claim 9, it is characterized in that: described boss (21) also form be positioned at described by lock part along the front end of described contact plate (2) direction of insertion, for guiding described boss (21) to insert the guide part of described passage (12).
11. contact plate fixed structures according to claim 10, is characterized in that: described guide part is along being narrowed down gradually by wide in described contact plate (2) direction of insertion.
12. contact plate fixed structures according to claim 11, is characterized in that: described guide part is two guide edges (213), and two described guide edges (213) tilt relatively to the inside along the front end of described contact plate (2) direction of insertion.
13. contact plate fixed structures according to claim 12, is characterized in that: described guide edge (213) is straight hypotenuse.
14. according to the contact plate fixed structure described in any one in claim 7-13, it is characterized in that: described boss (21) is molded on the plate face of described contact plate (2).
15. contact plate fixed structures according to claim 14, is characterized in that: the cross sectional shape of described boss (21) is pentagon, or quadrangle.
16. contact plate fixed structures according to claim 14, is characterized in that: described boss (21) is Split type structure.
17. contact plate fixed structures according to claim 16, is characterized in that: described boss (21) comprises two parts separately, and the cross sectional shape of every part is triangle.
18. according to the contact plate fixed structure described in claim 15 or 17, it is characterized in that: described slot (13) has at the fit structure with described contact plate (2) being positioned on the vertical and orthogonal both direction of described contact plate (2) direction of insertion.
19. contact plate fixed structures according to claim 18, is characterized in that: described fit structure is included in the over-surplus fit structure described contact plate (2) being positioned perpendicular in the direction of described contact plate (2) upper and lower plates face.
20. contact plate fixed structures according to claim 19, is characterized in that: described over-surplus fit structure comprises the projection (22) being molded on described contact plate (2) and the slot cell wall clamping with described projection (22) after described contact plate (2) inserts described slot (13).
21. contact plate fixed structures according to claim 20, is characterized in that: described projection (22) is arc.
22. according to the contact plate fixed structure described in any one in claim 19-21, it is characterized in that: described fit structure is also included in parallel with described contact plate (2) plate face and perpendicular to the matched in clearance structure in the direction of described contact plate (2) direction of insertion, described contact plate (2) being positioned.
23. contact plate fixed structures according to claim 22, is characterized in that: described certain position is the apical position along described contact plate (2) direction of insertion that described contact plate (2) is inserted into described slot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799843.3U CN203562370U (en) | 2013-12-05 | 2013-12-05 | Contact plate fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799843.3U CN203562370U (en) | 2013-12-05 | 2013-12-05 | Contact plate fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203562370U true CN203562370U (en) | 2014-04-23 |
Family
ID=50512072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320799843.3U Withdrawn - After Issue CN203562370U (en) | 2013-12-05 | 2013-12-05 | Contact plate fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203562370U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681110A (en) * | 2013-12-05 | 2014-03-26 | 德力西电气有限公司 | Contact plate fixing structure |
| WO2015081843A1 (en) * | 2013-12-05 | 2015-06-11 | 德力西电气有限公司 | Contact plate fixing structure |
| CN109223110A (en) * | 2018-10-22 | 2019-01-18 | 上海科瑞思工业设计有限公司 | A kind of locking means and its device of rotary open-and-close soft tissue folder |
-
2013
- 2013-12-05 CN CN201320799843.3U patent/CN203562370U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681110A (en) * | 2013-12-05 | 2014-03-26 | 德力西电气有限公司 | Contact plate fixing structure |
| WO2015081843A1 (en) * | 2013-12-05 | 2015-06-11 | 德力西电气有限公司 | Contact plate fixing structure |
| CN109223110A (en) * | 2018-10-22 | 2019-01-18 | 上海科瑞思工业设计有限公司 | A kind of locking means and its device of rotary open-and-close soft tissue folder |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140423 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |