Arc multifunctional sawing stool
Technical Field
The utility model belongs to carpenter's saw bench, concretely relates to multi-functional saw bench of arc.
Background
The basic function of a woodworking bench saw is to support wood. In order to meet more requirements of users on the functions of the sawing stool, technicians in the unit perform structural improvement on the sawing stool structure and expand the functions. For example, the bench surface structure of the sawing bench is improved, so that the sawing bench has the function of supporting the oblique fracture saw; and the inclined strut is added for supporting the large plate to form a new workbench.
In order to facilitate carrying and reduce the storage space, the foot rods of the sawing stool are foldable, and particularly the foot rods are close to the stool surface after being turned and folded. In order to stably maintain the folding state of the foot rods, a locking mechanism is added.
Disclosure of Invention
The utility model discloses mainly to the function expansion problem of the sawing bench, invent a kind of arc multi-functional sawing bench, add the extension arm, provide the support space of the larger range, cooperate with the large-scale plate to form the new work level; the bench surface section bar of the saw bench is integrally formed and has light weight, the side shape of the bench surface section bar can be matched and connected with the screw rod seat, and the oblique saw is fixed on the screw rod seat; a locking mechanism is additionally arranged below the stool surface, and after the foot rods are folded, the inserted pins of the locking mechanism are inserted into the lower ends of the foot rods to prevent the foot rods from turning downwards and unfolding.
The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a multi-functional saw bench of arc, includes bench face mechanism, foot rest, the foot rest is including the foot bar that supports bench face mechanism, its characterized in that, be provided with the extension arm mechanism that is used for fixed plank on the foot bar.
The extension arm mechanism comprises a first extension arm located below, a second extension arm located above and a fixing seat located at the top end, wherein the lower end of the first extension arm is hinged to the foot rod in a rotating mode, a flexible connection is formed between the second extension arm and the first extension arm through a telescopic sliding rail and an adjusting fastener, and the fixing seat is connected to the upper end of the second extension arm.
The fixing seat is provided with a platform for providing horizontal support, a pressing plate is arranged above the platform, and a clamping space is formed between the platform and the pressing plate.
Preferably, the edge of the pressing plate facing the stool surface mechanism is provided with a sawtooth-shaped clamping jaw extending downwards, and meanwhile, the plate surface of the pressing plate is provided with a hollowed-out fastening hole; the platform of the fixed seat is connected with the pressure plate through a side plate to form a U-shaped part, and the opening end of the U-shaped part faces the stool surface mechanism; the two ends of the platform are respectively provided with a connecting plate which vertically extends downwards, and the lower ends of the two connecting plates are correspondingly connected with the side wall of the second extension arm. The connecting plate can be directly fixed on the second extension arm and can also be movably hinged with the second extension arm. Due to the clamping jaw, when the wood board is installed on the fixed seat, the wood board is basically not contacted with the pressing plate, so that the friction during installation is reduced, and the position of the wood board is convenient to adjust; meanwhile, the thickness of the wooden plate can float within a certain range.
Preferably, the wall surface of the second extension arm is provided with a hollow telescopic slide rail which axially extends, the inside of the telescopic slide rail is connected with an adjusting fastener, meanwhile, the part of the first extension arm, which is close to the upper end, is provided with an adjusting through hole, and the adjusting fastener penetrates through the telescopic slide rail and then is connected with the adjusting through hole.
The four extension arm mechanisms provide four supporting points for horizontal support, the square wood plate is clamped on the fixed seat and can be fixed by fasteners such as screws and the like when necessary, and the screws are driven into the wood plate from fastening holes of the fixed seat; the extension arm mechanism is telescopic, and the extension arm mechanism provides support ranges of different specifications and is suitable for supporting square boards of different specifications.
Preferably, the upper part of the foot rod is provided with an extension arm locking member for locking the extension arm, the extension arm locking member is arranged into a bent strip plate or a bent short rod, the extension arm locking member comprises a hinge part rotationally hinged with the foot rod through a rotating shaft, an inclined transition part which inclines downwards and outwards relative to the hinge part and the foot rod, and a locking part parallel to the hinge part, and a space is formed between the locking part and the side wall of the foot rod; the locking part is provided with a relatively convex handle piece which is convenient for applying external force. The extension arm locking piece is positioned at the upper part of the foot rod, and when the foot rod is locked, the locking part is pressed at the upper end of the second extension arm; when the handle piece is loosened, the locking part is separated from the second extension arm through rotation of the handle piece, and the compression effect on the second extension arm is eliminated.
Preferably, the first extension arm and the second extension arm are both arranged in a semi-tubular shape matched with the shape of the side wall of the foot rod, and the first extension arm and the second extension arm can cover the outer side wall of the foot rod; the foot rods are in a semi-tubular shape, and the cross sections of the foot rods are U-shaped or semicircular; the side wall of the lower end of the first extension arm is provided with two parallel hinged plates which are protruded downwards, the hinged plates are provided with through holes, pins are connected in the through holes, and the pins are correspondingly connected to the side wall of the lower part of the foot rod. After the extension arm mechanism is unfolded, the extension arm mechanism is obliquely supported relative to the foot rod.
Preferably, the stool surface mechanism comprises a stool surface section bar and stool surface end plates connected to two ends of the stool surface section bar; the stool surface section bar is hollow, the lower bottom surface of the stool surface section bar is open, the cross section of the stool surface section bar is long waist-shaped, and the stool surface section bar comprises a stool panel positioned on the top surface, a front side plate positioned on the front side and bent in a semi-circular arc shape, and a rear side plate positioned on the rear side and bent in a semi-circular arc shape; the lower bottom edge of the front side plate is provided with a folded edge extending vertically upwards, and the lower bottom edge of the rear side plate is provided with a folded edge extending vertically upwards.
The cambered surface that the preceding curb plate of bench face section bar and posterior lateral plate formed can form the clamping groove and the clamp splice shape phase-match with the lead screw seat, forms the clamping connection.
Preferably, two end parts of the stool surface section bar are connected with foot bar installation seats, each foot bar installation seat comprises two installation plates which are vertically fixed on the lower surface of the stool panel, each installation plate is provided with a shaft hole, a first rotating shaft is connected in the shaft hole, a section of rotating shaft sleeve is vertically hinged on the first rotating shaft, the end parts of the rotating shaft sleeves are simultaneously hinged with two foot bars through second rotating shafts, the opening surfaces of the two foot bars are opposite, when the included angle of the two foot bars is zero, the side walls of the different foot bars are internally and externally laminated, and the side walls of the foot bars at the hinged parts are covered outside the side walls of the rotating shaft sleeves; the lower limb of two mounting panels all has the limiting plate that slope downwardly extending and expand outward relatively, and two leg bars are in when expandeing the support, and the lateral wall of two leg bars can conflict with the limiting plate that corresponds respectively to the angle of opening of fork of control leg bar.
Preferably, the lower ends of the two limiting plates are respectively provided with a bottom plate extending horizontally outwards, the outer ends of the two bottom plates are respectively provided with a reinforcing plate extending obliquely upwards, and the upper edges of the two reinforcing plates are respectively abutted against the corresponding front side plate and the corresponding rear side plate; the lower surfaces of the two bottom plates are connected with a section of columnar foot pad. When the foot rods are folded, the foot rods can be completely accommodated below the stool panel, the bottom plate is protruded downwards relative to the stool surface, and when the folded sawing stool is stably placed, the bottom plate is contacted with the ground; in order to prevent the bottom plate from being abraded, a foot pad is fixed under the bottom plate.
Preferably, a locking mechanism is arranged on the downward lower bottom surface of the stool panel and corresponds to the lower ends of the leg rods which are folded horizontally, the locking mechanism comprises a horizontally telescopic bolt, and the telescopic end of the bolt can extend into the lower ends of the two leg rods; the locking mechanism comprises two parallel fixing plates, the fixing plates are vertically fixed on the lower bottom surface of the stool surface, shaft holes are formed in the two fixing plates, the bolt is connected to the shaft holes, a ring is sleeved on the bolt, and the spring is located between the two fixing plates; the rear end of the bolt is connected with a pull ring convenient to pull. The pull ring is pulled outwards, the bolt is separated from the foot rod, and the foot rod can be freely turned downwards and unfolded; otherwise, after the foot rod is folded upwards, the pull ring is released, and the bolt is inserted into the lower end of the foot rod.
Preferably, the stool surface end plate at one end of the stool surface end plate is provided with a transverse concave splicing groove, and the stool surface end plate at the other end of the stool surface end plate is provided with a transverse convex splicing strip. Two sawing stools or more sawing stools are spliced together through the concave-convex splicing grooves and the splicing strips.
To sum up, compared with the prior art, the utility model has the following advantages:
the utility model is provided with an extension arm mechanism, a new workbench can be formed by matching with a square board, the extension arm can be extended, and the specification of the workbench can be changed; the stool surface section bar of the utility model is integrally formed and has light weight, the stool surface section bar is provided with the semi-circular arc-shaped side plate which can be matched and clamped with the clamping groove and the clamping block of the screw rod seat, and the oblique-cutting saw can be fixed on the screw rod seat; the hollow part of the stool surface section bar of the utility model can be used for accommodating the folded foot stool, thus reducing the storage space; the utility model adds a locking mechanism under the stool surface, when the foot bar is folded, the bolt of the locking mechanism is inserted into the lower end of the foot bar to prevent the foot bar from turning downwards and unfolding; the utility model discloses a bench face end plate has concave-convex splice groove and concatenation strip, can make up the concatenation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural view of the present invention with the extension arm mechanism in an extended state;
FIG. 4 is an enlarged view of portion B of FIG. 3;
FIG. 5 is a cross-sectional view of the stool surface profile of the present invention;
fig. 6 is a bottom view of the present invention;
fig. 7 is a schematic view of the present invention in a folded state;
fig. 8 is a first usage state diagram of the present invention;
fig. 9 is a second usage state diagram of the present invention;
fig. 10 is a third usage state diagram of the present invention.
The reference numbers in the figures are: 1. a first extension arm; 11. a hinge plate; 2. a second extension arm; 21. a telescopic slide rail; 22. adjusting the fastener; 3. a fixed seat; 31. a platform; 32. pressing a plate; 33. a clamping jaw; 34. a fastening hole; 35. a coupling plate; 4. a foot bar; 5. an extension arm locking member; 51. a locking portion; 52. a handle member; 6. stool surface section bar; 61. a stool panel; 62. a front side plate; 63. a rear side plate; 64. folding edges; 7. an end plate of the stool surface; 71. splicing grooves; 72. splicing the strips; 8. a foot bar mounting seat; 80. mounting a plate; 81. a first rotating shaft; 82. a second rotating shaft; 83. rotating the shaft sleeve; 84. a limiting plate; 85. a base plate; 86. a reinforcing plate; 87. a foot pad; 9. a locking mechanism; 91. a bolt; 92. and (7) fixing the plate.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
as shown in fig. 1-7, an arc-shaped multifunctional sawing stool comprises a stool surface mechanism, a foot rest and an extension arm mechanism; the stool surface mechanism is a hollow cylinder with an open lower bottom surface, the main body of the stool surface mechanism adopts a stool surface section bar 6, and the cross section of the stool surface mechanism is long waist-shaped; the stool surface section bar 6 is composed of a stool panel 61 positioned on the top surface, a front side plate 62 positioned on the front side and bent in a semi-circular arc shape, and a rear side plate 63 positioned on the rear side and bent in a semi-circular arc shape.
The lower bottom edge of the front side plate 62 is provided with a vertically upward extending folded edge 64, and the lower bottom edge of the rear side plate 63 is provided with a vertically upward extending folded edge 64; the front side edge of the stool panel 1 is connected with the upper bottom edge of the front side plate 2, and the connection part of the front side edge and the upper bottom edge is in smooth transition; the rear side edge of the stool panel 1 is connected with the upper bottom edge of the rear side plate 63, and the connection part of the two is in smooth transition; the lower bottom edge of the front side plate 62 is provided with a folding edge 64 which extends vertically upwards, and the lower bottom edge and the folding edge 64 are in smooth transition; the lower bottom edge of the rear side plate 63 is provided with a folded edge 64 extending vertically upwards, and the lower bottom edge and the folded edge 64 are in smooth transition.
A plurality of through holes with different sizes are arranged at the parts of the stool panel 61 close to the two ends and can be used for installing clamps, clamping blocks and the like; the width of the stool panel 61 is slightly larger than 3 times the diameter of the front side plate 62 and the rear side plate 63.
As shown in fig. 8, the screw base can be clamped to the bench-top profile 6 during use.
The stool surface end plates 7 are arranged at two ends of the stool surface section bar 6, the outer side surface of the stool surface end plate 7 at one end is provided with a transverse concave splicing groove 71, and the outer side surface of the stool surface end plate 7 at the other end is provided with a transverse convex splicing strip 72; when the two pieces of sawing stool are spliced, the splicing bar 72 of one of the sawing stools can be inserted into the splicing groove 71 of the other sawing stool, as shown in fig. 9.
Two ends of the stool surface section bar 6 are respectively fixed with a foot bar mounting seat 8, and each foot bar mounting seat 8 is hinged with two foot bars 4; the foot rods 4 are arranged in a hollow semi-tubular shape, and the cross sections of the foot rods are U-shaped.
Specifically, the leg bar mounting base 8 includes two mounting plates 80 vertically fixed to the bottom of the stool panel 61, the mounting plates 80 have shaft holes and shaft hole inner connection first rotating shafts 81, the first rotating shafts 81 are vertically hinged to one section of rotating shaft sleeve 83, the end of the rotating shaft sleeve 83 is connected to a second rotating shaft 82, and the second rotating shafts 82 are simultaneously hinged to two leg bars 4.
The side wall of the upper end of the leg rod 4 is provided with a through hole and is hinged with the second rotating shaft 82, the opening surfaces of the two leg rods 4 are opposite, and when the included angle of the two leg rods 4 is zero, the side walls of different leg rods 4 are staggered and laminated inside and outside; at the hinged position of the rotating shaft sleeve 83 and the two leg rods 4, the side walls of the leg rods 4 are covered outside the side walls of the rotating shaft sleeve 83.
Limiting plates 84 which extend downwards in an inclined mode and are relatively expanded outwards are arranged at the lower edges of the two mounting plates 80, and when the two support rods 4 are unfolded and supported, the side walls of the two support rods 4 can be abutted against the corresponding limiting plates 84 respectively.
The lower ends of the two limiting plates 84 are respectively provided with a bottom plate 85 extending outwards horizontally, the outer ends of the two bottom plates 85 are respectively provided with a reinforcing plate 86 extending upwards in an inclined mode, and the upper edges of the two reinforcing plates 86 are abutted against the corresponding front side plate 62 and the corresponding rear side plate 63; the lower surfaces of the two base plates 85 are connected to a section of a cylindrical foot pad 87.
A locking mechanism 9 is arranged at the lower bottom surface of the stool panel 61 facing downwards and corresponding to the lower end of the leg rod 4 folded horizontally, the locking mechanism 9 comprises two parallel fixing plates 92, the fixing plates 92 are vertically fixed on the lower bottom surface of the stool panel 61, shaft holes are arranged on the two fixing plates 92, a plug pin 91 is connected in the shaft holes, the front end and the rear end of the plug pin 91 are exposed out of the fixing plates 92, a ring is sleeved on the plug pin 91, and the spring is positioned between the two fixing plates 92; the front end of the bolt 91 can extend into the lower ends of the two leg rods 4 to form locking positioning, and the rear end of the bolt 91 is connected with a pull ring 93 convenient to pull.
An extension arm mechanism for fixing the wood board is arranged on each foot rod 4, and the extension arm mechanism mainly comprises a first extension arm 1 located below, a second extension arm 2 located above and a fixing seat 3 located at the top end.
The first extension arm 1 and the second extension arm 2 are both arranged into a semi-tubular shape matched with the shape of the side wall of the foot rod 4, and the cross section of the first extension arm and the second extension arm is U-shaped; the first extension arm 1 and the second extension arm 2 can cover the outer side wall of the foot rod 4; the side wall of the lower end of the first extension arm 1 is provided with two parallel hinged plates 11 protruding downwards, the hinged plates 11 are provided with through holes, pins are connected in the through holes and correspondingly connected to the side wall of the lower part of the foot rod 4, and the first extension arm 1 is hinged with the foot rod 4 in a rotating mode.
The wall of second extension arm 2 has the flexible slide rail 21 of the fretwork of an axial extension, and flexible slide rail 21 in-connection adjusting fastener 22 adjusts fastener 22 and specifically adopts the bolt and the nut of taking the knob, and simultaneously, the position that is close to the upper end at first extension arm 1 has the adjusting through hole, then adjusts fastener 22 and passes behind flexible slide rail 21 and connect in adjusting through hole, and second extension arm 2 is for the scalable regulation of first extension arm 1.
The upper end of the second extension arm 2 is connected with a fixed seat 3, the fixed seat 3 is provided with a platform 31 for providing horizontal support, a pressure plate 32 is arranged above the platform, the platform 31 and the pressure plate 32 are connected through side plates to form a U-shaped part, the opening end of the U-shaped part faces the stool surface section bar 6, and a clamping space is formed between the platform 31 and the pressure plate 32; the edge of the pressing plate 32 facing the bench surface section bar 6 is provided with a sawtooth-shaped clamping jaw 33 extending downwards, and the plate surface of the pressing plate 32 is provided with two hollow fastening holes 34 arranged side by side, so that when a wood plate needs to be reinforced, a screw is driven into the wood plate from the fastening holes 34 for fastening.
As shown in figure 10, when in use, the square wood board is fixed on the 4 fixed seats 3 to form a new platform.
The platform 31 has two ends each provided with a vertically downward extending connecting plate 35, and the lower ends of the two connecting plates 35 are correspondingly connected to the side wall of the second extending arm 2; if the two are fixedly connected, the connecting plate 35 and the second extension arm 2 can be welded and fixed, or through holes are correspondingly formed in the wall surfaces of the connecting plate 35 and the second extension arm 2 and then fastened through bolts and nuts; if the two are hinged, the connecting plate 35 and the second extension arm 2 are connected with a pin in the corresponding through hole on the wall surface to form a hinge.
In order to lock the extension arm mechanism, an extension arm locking piece 5 is arranged at the upper part of the foot rod 2 to lock the extension arm mechanism; the extension arm locking piece 5 is a bent strip piece and specifically comprises a hinge part rotationally hinged with the foot rod 4 through a rotating shaft, an inclined transition part which inclines downwards and expands outwards relative to the hinge part and the foot rod 4, and a locking part 51 parallel to the hinge part, so that a space is formed between the locking part 51 and the side wall of the foot rod 4; a handle member 52 having a relatively protrusion for facilitating the application of an external force is provided at one side of the locking portion 51.
As shown in fig. 2, when the extension arm mechanism is in a locked state, the first extension arm 1 and the second extension arm 2 cling to the foot bar 4, and the locking portion 51 of the extension arm locking member 5 rotates downward and presses the upper end of the second extension arm 2; when the extension arm mechanism is deployed, the handle member 52 is grasped to rotate the locking portion 51 upwardly, eliminating the pinching effect of the locking portion 51 on the second extension arm 2.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.