CN219793171U - Sawtooth type self-locking clamp - Google Patents

Abstract

The utility model provides a saw-tooth type self-locking clamp which comprises a hanging handle, a pressing handle and a torsion spring, wherein the hanging handle comprises a handle body and an engaging piece which are detachably connected, an installation part and a hand-held part are arranged on the handle body, an installation cavity is arranged in the installation part, the torsion spring is used for pushing the handle body, so that an upper pressing part is used for pressing the pressing part, and the saw-tooth part of the pressing handle is automatically engaged with the engaging part of the engaging piece. The handle is pressed by the spring, so that the saw tooth part and the engagement piece are automatically engaged; in addition, through dismouting press handle and interlock, adjust the interlock stroke of both and come the different aluminium alloy thickness of adaptation, and then the aluminium alloy of centre gripping different wall thickness improves clamping efficiency, is favorable to reducing manufacturing cost and anchor clamps's normative management to improve production efficiency. The problem that the existing clamp can only clamp aluminum profiles with specific wall thickness, production cost is easy to increase in actual production, and clamp management is disordered, so that production efficiency is affected is solved.

Description

Sawtooth type self-locking clamp

Technical Field

The utility model relates to the field of clamps, in particular to a sawtooth type self-locking clamp.

Background

At present, in the traditional vertical powder spraying and vertical fluorocarbon spraying production line of aluminum profiles, punching or drilling operation is needed before each profile is put on the shelf, and then the aluminum profile is hung on the shelf by using a stainless steel hook, so that the operation is complex, the production efficiency is low, and the single-line productivity is low; and the use of pneumatic punches or drilling machines necessitates the wearing of safety glasses, which still presents a certain safety hazard in operation. Therefore, in order to facilitate the rapid fixing of the aluminum profile, the aluminum profile is rapidly placed into an electroplating or electrophoresis tank for electroplating or electrophoresis, oxidation treatment and other operations, and part of the vertical production line adopts a clamp to clamp and fix the aluminum profile on an electroplating or electrophoresis frame and then is placed into the electroplating or electrophoresis tank for treatment.

The Chinese patent publication No. CN205628390U discloses a self-locking spraying clamp which is characterized by comprising a clamp body, a clamping tooth piece and an elastic piece, wherein the clamp body is provided with a clamping part and a hand-held part, the clamping tooth piece comprises a stress end, a hinge part and a tooth-shaped engaging part, the tooth-shaped engaging part is arranged between the stress end and the hinge part, the clamping tooth piece is hinged on the clamp body through the hinge part, one end of the elastic piece is fixed on the clamp body, and the other end of the elastic piece is pressed on the clamping tooth piece, so that the tooth-shaped engaging part of the clamping tooth piece and the clamping part form an automatic engaging state. The utility model has the advantages of simple structure, low manufacturing cost, high structural strength and the like, and can manufacture spray clips with different sizes according to the needs, so that the spray clips can be used for clamping workpieces with different sizes.

However, the clamp has single specification, and only aluminum profiles with wall thickness of specific specifications can be hung according to the length of the engagement stroke and the magnitude of the engagement force. In the actual aluminum profile production process, the wall thickness of the aluminum profile can be changed along with the change of customer requirements and an extrusion die, and clamps with various specifications are prepared due to the difference of the wall thickness of the aluminum profile, so that the production cost is increased, and the management confusion of the clamps is easily caused, so that the production efficiency is influenced.

Disclosure of Invention

Based on the above, in order to solve the problem that the existing clamp can only clamp aluminum profiles with specific specification and wall thickness, the production cost is easy to increase in actual production, so that the clamp management is disordered, and the production efficiency is affected, the utility model provides a sawtooth type self-locking clamp, which has the following specific technical scheme:

the saw-tooth type self-locking clamp comprises a hanging handle, a pressing handle and a torsion spring, wherein the hanging handle comprises a handle body and a biting piece which are detachably connected, a mounting part and a handheld part are arranged on the handle body, a mounting cavity is arranged in the mounting part, and a first hinge hole and a second hinge hole are arranged in the mounting cavity; the occluding part is provided with a connecting part and an occluding part, the connecting part is connected with the mounting part, and the occluding part is arranged above the mounting cavity; the pressing handle comprises a hinge part, a sawtooth part, a top pressing part and a stress end, wherein the sawtooth part is arranged between the top pressing part and the hinge part, the top pressing part is arranged between the sawtooth part and the stress end, and the pressing handle is hinged on the handle body through the hinge part and a first hinge hole; the torsional spring is provided with an upper pressing part, a spiral part and a lower pressing part, the torsional spring is hinged to the handle body through the spiral part and the second hinge hole, and the lower pressing part of the torsional spring springs the handle body to enable the upper pressing part to press the top pressing part, so that the sawtooth part of the pressing handle is automatically meshed with the meshing part.

The saw-tooth type self-locking clamp is characterized in that the handle is pressed by the spring in a spring pressing mode, so that the saw-tooth part and the engagement piece are automatically engaged; in addition, through dismouting pressing handle and interlock, adjust the interlock stroke of both and come the different aluminium alloy thickness of adaptation, but aluminium alloy wall thickness size scope of centre gripping is big, and then the aluminium alloy of centre gripping different wall thicknesses improves clamping efficiency, is favorable to reducing manufacturing cost and anchor clamps's normative management to improve production efficiency.

Further, the engagement member includes an upper beam section and a vertical section, the engagement portion is provided at a lower portion of the upper beam section, and the connection portion is provided at a bottom portion of the vertical section.

Further, the connecting portion is a plug shaft end and a fixing hole arranged on the plug shaft end, the mounting portion is a jack groove and a through hole arranged on the side wall of the jack groove, and the plug shaft end is inserted into the jack groove and then fixed to the fixing hole through the fixing piece passing through the through hole.

Further, the connecting portion is provided with a dovetail key, the mounting portion is a dovetail groove matched with the dovetail key, and the dovetail key is fixed through a fixing piece after being mounted in the dovetail groove.

Further, the serration comprises a first biting tooth and a second biting tooth, and the tooth width of the first biting tooth is larger than that of the second biting tooth.

Further, the engaging portion is provided with saw-shaped teeth.

Further, the width of the engagement portion is greater than the width of the serration portion.

Further, the torsion spring is a steel wire torsion spring, and the steel wire diameter of the steel wire torsion spring is larger than 3mm.

Further, the upper pressing part is provided with an arched bending area.

Further, the stress end is a round pressing block, and the holding part of the handle body is provided with a hanging hole.

Drawings

The utility model will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic view of a sawtooth-type self-locking clip according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a saw tooth type self-locking clip according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a sawtooth type self-locking clip according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a sawtooth-type self-locking clip according to an embodiment of the present utility model;

fig. 5 is an exploded view of a saw tooth type self-locking clip according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a hanging handle is arranged; 2. pressing the handle; 3. a torsion spring;

11. a handle body; 12. a bite piece;

121. a connection part; 122. a bite portion;

111. a mounting part; 112. a hand-held part;

111a, a mounting cavity;

1111. a first hinge hole; 1112. a second hinge hole;

21. a hinge part; 22. a serration part; 23. a pressing part; 24. a force-bearing end;

221. a first biting tooth; 222. a second biting tooth;

31. an upper pressing part; 32. a spiral part; 33. and a pressing part.

Detailed Description

The present utility model will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.

As shown in fig. 1 and 2, a saw-tooth type self-locking clip according to an embodiment of the present utility model includes a hanging handle 1, a pressing handle 2, and a torsion spring 3, where the hanging handle 1 includes a handle body 11 and a gripping member 12 that are detachably connected, a mounting portion 111 and a holding portion 112 are disposed on the handle body 11, a mounting cavity 111a is disposed in the mounting portion 111, and a first hinge hole 1111 and a second hinge hole 1112 are disposed in the mounting cavity; the engaging piece 12 is provided with a connecting part 121 and an engaging part 122, the connecting part 121 is connected with the mounting part 111, and the engaging part 122 is arranged above the mounting cavity 111 a; the pressing handle 2 comprises a hinge part 21, a sawtooth part 22, a top pressing part 23 and a force receiving end 24, wherein the sawtooth part 22 is arranged between the top pressing part 23 and the hinge part 21, the top pressing part 23 is arranged between the sawtooth part 22 and the force receiving end 24, and the pressing handle 2 is hinged on the handle body 11 through the hinge part 21 and the first hinge hole 1111; the torsion spring 3 is provided with an upper pressing part 31, a spiral part 32 and a pressing part 33, the torsion spring 3 is hinged on the handle body 11 through the spiral part 32 and the second hinge hole 1112, the pressing part 33 of the torsion spring 3 springs the handle body 11, the upper pressing part 31 is pressed against the pressing part 23, and the sawtooth part 22 of the pressing handle 2 is automatically meshed with the meshing part 122 of the meshing piece 12. Specifically, the detachable connection is one or more of fixing piece connection, clamping connection and buckling connection, and the fixing piece is one of a bolt, a screw or a pin.

The saw-tooth type self-locking clamp is characterized in that the handle 2 is pressed by the spring 3 in a spring manner, so that the saw-tooth part 22 and the engaging piece 12 are automatically engaged; in addition, through dismouting pressing handle 2 and interlock piece 12, adjust the interlock stroke of both to adapt different aluminium alloy thickness, and then centre gripping aluminium alloy of different wall thicknesses improves clamping efficiency, is favorable to reducing manufacturing cost and the normative management of anchor clamps to improve production efficiency.

In one embodiment, the snap 12 comprises an upper beam section and a vertical section, the snap 122 being provided in the lower part of the upper beam section and the connection 121 being provided in the bottom of the vertical section. Thus, the connection portion 121 of the engaging member 12 and the mounting portion 111 of the handle body 11 are easily detachably connected by the inverted L shape of the engaging member 12 as a whole.

As shown in fig. 3, in one embodiment, the connection part 121 is a shaft end and a fixing hole provided on the shaft end, and the mounting part 111 is a socket groove and a through hole provided on a sidewall of the socket groove, and the shaft end is fixed to the fixing hole through the through hole by a fixing member after being inserted into the socket groove. Specifically, the fixing member is one of a bolt, a screw or a pin. In this way, the way that the plug shaft end is plugged into the plug hole groove can limit the movement of the occluding piece 12 relative to the front, back, left and right directions of the handle body 11; meanwhile, the fixing piece penetrates through the through hole to be fixed on the fixing hole, and therefore the biting piece 12 is completely fixed relative to the handle body 11, the clamping effect is guaranteed, and the clamping efficiency is improved.

In one embodiment, the stub end is a rectangular plug and the receptacle slot is a rectangular hole. So, through rectangle bayonet joint and rectangular hole grafting cooperation, avoid taking place the rectangle bayonet joint and rotate in the rectangular hole to guarantee the centre gripping effect, improve clamping efficiency.

As shown in fig. 4 and 5, in one embodiment, the connection part 121 is provided with a dovetail key, and the mounting part 111 is a dovetail groove adapted to the dovetail key, and the dovetail key is fixed by a fixing member after being mounted to the dovetail groove. Thus, through the connection of the dovetail key and the dovetail groove, the contact surface of the dovetail key and the dovetail groove is an inclined surface, the stress area is large, the functions of guiding and supporting are achieved, and the movement of the occluding piece 12 relative to the handle body 11 along the depth direction of the dovetail groove is limited; meanwhile, the movement of the occluding member 12 in the depth direction of the dovetail groove is limited through the fixing member, so that the occluding member 12 is completely fixed relative to the handle body 11, the clamping effect is ensured, and the clamping efficiency is improved.

In one embodiment, the serration 22 comprises a first biting tooth 221 and a second biting tooth 222, the first biting tooth 221 having a tooth width greater than the tooth width of the second biting tooth 222. So, through the multi-tooth design of first tooth 221 and second tooth 222 of biting, be favorable to increasing the contact quantity of aluminium alloy with the tooth of biting when adorning and hanging, and then to the aluminium alloy of 0.5mm-5.0mm different wall thickness, can realize the firm dress of multiple dimension specification and hang, broken through the bottleneck that single profile of tooth can only adorn and hang the wall thickness aluminium alloy below 3.0mm to guarantee the centre gripping effect, improve clamping efficiency, and then improve production efficiency.

In one embodiment, the bite 122 is provided with saw teeth. So, through being equipped with saw-tooth at interlock portion 122, adopt the form of upper and lower two-sided interlock tooth centre gripping aluminium alloy, be favorable to increasing area of contact to guarantee the centre gripping effect, improve centre gripping efficiency, and then improve production efficiency.

In one embodiment, the width of the bite 122 is greater than the width of the serration 22. So, through setting up the width of interlock portion 122 to be favorable to avoiding the interlock tooth of sawtooth portion 22 both sides and the contact inadequately of aluminium alloy, guarantee the area of contact of sawtooth portion 22 and aluminium alloy, thereby guarantee the centre gripping effect, improve centre gripping efficiency, and then improve production efficiency.

In one of the embodiments, the torsion spring 3 is a wire torsion spring, the wire diameter of which is greater than 3mm. So, through the steel wire size that increases torsional spring 3, increase torsional spring 3 to improve the interlock dynamics, effectively avoid because of aluminium alloy is from great, the dress hangs the risk that drops that the infirm arouses, thereby guarantee the centre gripping effect, improve clamping efficiency.

In one embodiment, the upper press 31 is provided with an arcuate bending zone. Thus, by arranging the arched bending area, the contact area between the upper pressing part 31 and the top pressing part 23 is increased, so that the clamping effect is ensured, and the clamping efficiency is improved.

In one embodiment, the force-bearing end 24 is a circular pressing block, and the hand-holding portion 112 of the handle body 11 is provided with a hanging hole. Thus, by adopting the round pressing block, the contact area of the pressing handle 2 is increased, the manual pressing pressure is reduced, and the labor intensity is lightened; meanwhile, through arranging the hanging holes, manual punching or drilling is not needed when the aluminum profile is put on the shelf, the hanging is directly and quickly carried out, and the hanging efficiency is greatly improved.

In one embodiment, the mounting hole is a long hole. Thus, the operator can quickly carry out the hanging action.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (8)

1. The saw-tooth type self-locking clamp is characterized by comprising a hanging handle, a pressing handle and a torsion spring, wherein the hanging handle comprises a handle body and a biting piece which are detachably connected, a mounting part and a handheld part are arranged on the handle body, a mounting cavity is arranged in the mounting part, and a first hinge hole and a second hinge hole are arranged in the mounting cavity;

the occluding part is provided with a connecting part and an occluding part, the connecting part is connected with the mounting part, and the occluding part is arranged above the mounting cavity;

the pressing handle comprises a hinge part, a sawtooth part, a top pressing part and a stress end, wherein the sawtooth part is arranged between the top pressing part and the hinge part, the top pressing part is arranged between the sawtooth part and the stress end, and the pressing handle is hinged on the handle body through the hinge part and a first hinge hole;

the torsion spring is provided with an upper pressing part, a spiral part and a lower pressing part, the torsion spring is hinged on the handle body through the spiral part and the second hinge hole, and the lower pressing part of the torsion spring is used for pressing the handle body to enable the upper pressing part to press the pressing part, so that the sawtooth part of the pressing handle is automatically meshed with the meshing part;

the sawtooth part comprises a first biting tooth and a second biting tooth, and the tooth width of the first biting tooth is larger than that of the second biting tooth;

the occlusion is provided with saw teeth.

2. The saw-tooth self-locking clip according to claim 1, wherein the engagement member comprises an upper beam section and a vertical section, the engagement portion is provided at a lower portion of the upper beam section, and the connection portion is provided at a bottom portion of the vertical section.

3. The saw-tooth self-locking clamp according to claim 2, wherein the connecting part comprises a plug shaft end and a fixing hole arranged on the plug shaft end, the mounting part comprises a jack groove and a through hole arranged on the side wall of the jack groove, and the plug shaft end is fixed to the fixing hole through the through hole by a fixing piece after being plugged into the jack groove.

4. The saw-tooth type self-locking clamp according to claim 2, wherein the connecting portion is provided with a dovetail key, the mounting portion is a dovetail groove adapted to the dovetail key, and the dovetail key is fixed by a fixing piece after being mounted in the dovetail groove.

5. The serrated self-locking clip of claim 1, wherein the width of the gripping portion is greater than the width of the serrated portion.

6. The saw tooth type self-locking clamp according to claim 1, wherein the torsion spring is a steel wire torsion spring, and the steel wire diameter of the steel wire torsion spring is larger than 3mm.

7. A saw tooth type self-locking clip as defined in claim 6, wherein said upper press portion is provided with an arcuate bending region.

8. The saw-tooth self-locking clamp according to claim 1, wherein the stress end is a round pressing block, and the hand-holding part of the handle body is provided with a hanging hole.