Fixture

Abstract

A fixture, comprising a guide rail (100), a first clamping part (200) and a second clamping part (300), wherein the first clamping part (200) is fixed to the guide rail (100), and the second clamping part (300) is slidably arranged on the guide rail (100) and cooperates with the first clamping part (200) for clamping an object; a support component (400) is arranged on the guide rail (100) and located between the first clamping part (200) and the second clamping part (300), and is used for supporting and stabilizing the clamped object; the support component (400) can be detached and mounted to the rear end of the guide rail (100), facilitating convergent storage of the first clamping part (200) and the second clamping part (300); the support component (400) mounted to the rear end of the guide rail (100) can prevent the second clamping part (300) from sliding off the guide rail (100); and when mounted to the rear end of the guide rail (100), the support component (400), together with the first clamping part (200) at the front end, acts like two legs to keep the fixture in an upright position.

Description

Clamp

[0001] Related Applications

[0002] The present application claims priority to the Chinese patent application No. 202421926735.2, filed on August 9, 2024, entitled “Clamp”, the contents of which are incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application belongs to clamping tools, and in particular relates to a clamp for preventing an object from falling off from a clamping position when clamping the object. BACKGROUND

[0004] When the existing clamp performs clamping work, the clamped object is placed on the guide rail between the two clamping parts. Since the width of the guide rail is small, generally only a few millimeters, the object is easy to fall off before being clamped. SUMMARY

[0005] The technical problem to be solved by the present application and the technical task proposed are to overcome the defect that the object placed on the guide rail between the two clamping parts is easy to fall off when the existing clamp performs clamping work, and to provide a clamp that is not easy to fall off when clamping an object.

[0006] To achieve the above-mentioned purpose, the clamp of the present application comprises: a guide rail; a first clamping part fixed to the guide rail; a second clamping part slidingly arranged on the guide rail and cooperating with the first clamping part, and used for clamping an object; and a support member arranged on the guide rail between the first clamping part and the second clamping part, and used for supporting and stabilizing the clamped object. In this way, when the clamp clamps an object, the object placed on the guide rail between the two clamping parts is supported and stabilized by the support member, and is not easy to fall off.

[0007] In some embodiments, the support member is detachably arranged on the guide rail. In this way, the support member can be detached from the guide rail according to specific needs.

[0008] In some embodiments, the support member is slidingly arranged on the guide rail. In this way, the position of the support member can be moved according to specific needs, better supporting and stabilizing the clamped object.

[0009] In some embodiments, the support member is clamped on the guide rail. This is used to maintain the relative position of the support member and the guide rail, and to maintain the support member in a position that can better support and stabilize the clamped object.

[0010] In some embodiments, the support member has a placement plate, the support member is provided with a placement plate, the upper side of the placement plate is defined as a placement surface, the lower side of the placement plate is provided with a first clamping arm and a second clamping arm extending downward, a first channel is provided between the first clamping arm and the second clamping arm, the guide rail is arranged in the first channel, and the first clamping arm and the second clamping arm are arranged on both sides of the guide rail and clamp the guide rail, so that the support member can be detached from the guide rail and can slide along the guide rail. In this way, the support member can be formed integrally, thereby simplifying the structure of the support member.

[0011] In some embodiments, the first clamping arm is provided with a protrusion clamped on one side of the guide rail. The protrusion is used to maintain the clamping force of the support member and prevent the support member from sliding.

[0012] In some embodiments, the side of the guide rail is provided with a groove along the length direction, and the protrusion is located in the groove, so that the support member can be limited on the guide rail. The sliding direction of the support member is guided to prevent the support member from slipping off the guide rail.

[0013] In some embodiments, the support member is configured to be detachable and is arranged at the rear end of the guide rail. The position of the support member can be replaced according to specific needs.

[0014] In some embodiments, the rear end of the guide rail is provided with a pin hole, the support member is provided with a pin, and when the support member is arranged at the rear end of the guide rail, the pin is located in the pin hole, so that the support member can be limited at the rear end of the guide rail. In this way, the displacement and falling off of the support member can be prevented.

[0015] In one embodiment, the first clamping arm is provided with a protrusion clamped on one side of the guide rail, and the protrusion serves as the pin.

[0016] In one embodiment, the first clamping arm is provided with a protrusion clamped on one side of the guide rail, and the second clamping arm is provided with the pin.

[0017] In another embodiment, the support member is provided with a second channel penetrating the placement plate, the first clamping arm or the second clamping arm is provided with an extension, the pin is located in the extension and is located below the guide rail, and when the support member is arranged at the rear end of the guide rail, the second channel is sleeved on the guide rail.

[0018] In some embodiments, the lower side of the placement plate has a first guard plate and a second guard plate extending downward, the first guard plate is arranged on both sides of the first clamping arm, and the second guard plate is arranged on both sides of the second clamping arm. In this way, the first clamping arm and the second clamping arm can be protected to prevent the first clamping arm and the second clamping arm from being damaged during work.

[0019] In some embodiments, the first clamping part comprises a first pad, the second clamping part comprises a second pad, the first pad is arranged opposite to the second pad, and the first pad and the second pad contact the object when the first clamping part and the second clamping part clamp the object.

[0020] In some embodiments, the first skeleton is provided with a first sheath, the first pad is combined with the first sheath, the second skeleton is provided with a second sheath, and the second pad is combined with the second sheath. In this way, when the object is clamped, the first pad and the second pad are supported by the corresponding sheaths, the force is uniformly borne, the clamping effect is good, and the object is not easily damaged.

[0021] In some embodiments, the second clamping part comprises a damping block, and the damping block contacts the guide rail. In this way, the speed of the second clamping part sliding along the guide rail can be prevented from being too fast, especially when the guide rail is vertical.

[0022] In some embodiments, the guide rail is partially arranged in the damping block. In this way, uniform damping is generated on both sides of the damping block relative to the guide rail, and the force borne by the damping block is uniform, thereby prolonging the service life.

[0023] In some embodiments, the second clamping part further comprises a first elastic element, and the first elastic element can exert an elastic force on the damping block to make the damping block contact the guide rail. In some embodiments, the damping block is acted on by the elastic element, and the elastic force of the elastic element makes the damping block contact the guide rail. In this way, the damping block is provided with persistent damping.

[0024] In the present application, the support component is arranged between the first clamping part and the second clamping part on the guide rail. When the clamp is used to perform clamping work, the object placed on the guide rail between the two clamping parts is stably supported by the support component and is not easily dropped.

[0025] In the present application, the first clamping part is provided with a first pad, and the second clamping part is provided with a second pad, which are used to protect the clamped object.

[0026] In the present application, the second clamping part is provided with a damping block that contacts the guide rail, which can prevent the second clamping part from sliding too fast along the guide rail and causing accidents.

[0027] The details of one or more embodiments of the present application are set forth in the accompanying drawings and the description below. Other features, objects, and advantages of the present application will be apparent from the description, drawings, and claims. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the technical solutions in the prior art, below the accompanying drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only need to be the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained on the basis of the disclosed drawings without any creative effort.

[0029] Fig. 1 is an axial view of one perspective of the clamp of the present application.

[0030] Fig. 2 is an axial view of another perspective of the clamp shown in Fig. 1.

[0031] Fig. 3 is a front projection view of the clamp shown in Fig. 1.

[0032] Fig. 4 is a top view of Fig. 3.

[0033] Fig. 5 is a D-D sectional view of Fig. 4.

[0034] Fig. 6 is an A-A sectional view of Fig. 3.

[0035] Fig. 7 is a schematic view of another perspective of the structure shown in Fig. 6.

[0036] Fig. 8 is a B-B sectional view of Fig. 3.

[0037] Fig. 9 is a C-C sectional view of Fig. 3.

[0038] Fig. 10 is a schematic view of the structure exploded view of the clamp shown in Fig. 1.

[0039] Fig. 11 is a schematic view of the support member of the present application.

[0040] Fig. 12 is a front projection view of the support member shown in Fig. 11.

[0041] Fig. 13 is an E-E sectional view of Fig. 12.

[0042] Fig. 14 is a left view of Fig. 12.

[0043] Fig. 15 is a F-F sectional view of Fig. 14.

[0044] Fig. 16 is a G-G sectional view of Fig. 14.

[0045] Explanation of reference numerals in the drawings: 100, guide rail, 101, groove, 102, pin hole; 200, first clamping part, 201, first skeleton, 202, first sheath, 203, first gasket; 300, second clamping part, 301, second skeleton, 302, second sheath, 303, second gasket, 304, damping block, 305, first elastic element, 306, clamping groove; 307, through hole; 400, supporting part, 401, storage plate, 402, storage surface, 403, first clamping arm, 404, second clamping arm, 405, first channel, 406, protrusion, 407, pin, 408, second channel, 409, extension section, 410, first guard plate, 411, second guard plate; 500, clamping mechanism, 501, bracket, 502, locking plate, 503, second elastic element, 504, handle, 505, screw rod, 506, push-pull piece. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0047] In the specification and claims of the present application, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a method or product comprising a series of technical features does not have to be limited to only those clearly listed technical features, but can also include other technical features not clearly listed that can be included in the method or product.

[0048] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. Among them, the directions of "upper" and "lower", "left" and "right", "front" and "back" are opposite.

[0049] In the description of the present application, it should be understood that the technical features defined by the terms "first", "second" and the like have a sequential concept, and only for the purpose of clearly describing the defined technical features, so that the defined technical features can be clearly distinguished from other technical features, and do not represent the actual implementation of such naming, and therefore cannot be understood as limiting the present application.

[0050] In the present application, "up", "down", "left", "right", "front", "back" are shown in Figure 1.

[0051] The present application will be described in detail below with reference to specific embodiments and accompanying drawings.

[0052] The clamp shown in Figures 1-10 includes a guide rail 100, a first clamping part 200, a second clamping part 300, a support part 400, and a clamping mechanism 500.

[0053] In the present application, the first clamping part 200 is fixed to the guide rail 100; the second clamping part 300 is slidingly arranged on the guide rail 100 and cooperates with the first clamping part to clamp an object; and the support part is arranged on the guide rail 100 between the first clamping part 200 and the second clamping part 300 and is used to support and stabilize the clamped object.

[0054] In some embodiments, the guide rail 100 is a metal piece in the shape of a flat bar.

[0055] In some embodiments, the first clamping part 200 is fixed to the front end of the guide rail 100 by two pin shafts. The first clamping part 200 includes a first skeleton 201, a first sheath 202, and a first gasket 203. The first skeleton includes four metal sheets. In some embodiments, the first skeleton is sheathed with the first sheath 202; in some embodiments, the first skeleton 201 is embedded in the first sheath 202. The first skeleton 201 and the first sheath 202 can then be combined into one. The first gasket 203 is combined with the first sheath 202, which can be combined together by injection molding. The first gasket 203 can be made of hard plastic or bakelite. The material of the first gasket is softer and has a larger friction coefficient than the material of the first sheath.

[0056] In some embodiments, the second clamping part 300 includes a through hole 307. The guide rail 100 is arranged through the through hole 307, so that the second clamping part 300 is slidingly arranged on the guide rail 100 and cooperates with the first clamping part 200 to clamp an object.

[0057] In some embodiments, the second clamping part 300 further includes a second skeleton 301, a second sheath 302, a second gasket 303, and a damping block 304. The second skeleton 301 is a metal bending piece with two symmetrical side walls, and the upper ends of the two side walls are provided with clamping grooves 306. The second skeleton 301 is sheathed with the second sheath 302; alternatively, the second skeleton 301 is embedded in the second sheath 302. Thus, the second skeleton 301 and the second sheath 302 are combined into one. The second gasket 303 is combined with the second sheath 302, which can be combined together by injection molding. The second gasket 303 can be made of hard plastic or bakelite. The material of the second gasket is softer and has a larger friction coefficient than the material of the second sheath 302.

[0058] In some embodiments, the first pad 203 is arranged opposite to the second pad 303, so that a clamping space is defined between the first pad 203 and the second pad 303. When clamping an object, the object is located in the clamping space, and the first pad 203 and the second pad 303 are in contact with the object and clamp the object. Because the first pad 203 and the second pad 303 are made of soft material with a large friction coefficient, the clamped object can be protected. Thus, when clamping an object made of soft material such as wood, the contact between the first pad 203 and the second pad 303 and the clamping of the object can avoid damage to the surface of the contact part.

[0059] In the related art, the posture of the clamp changes during use, and the second clamping part slides along the guide rail too fast due to external factors, for example, the guide rail is vertical and is touched by external force, which causes the second clamping part to slide along the guide rail too fast. The second clamping part 300 that slides along the guide rail too fast is not controlled and is prone to accidents.

[0060] In some embodiments, the second clamping part 300 further includes a damping block 304. The damping block 304 is in the shape of a U, and the guide rail 100 is partially arranged in the damping block 304. The damping block 304 is assembled to the second frame 301 by two cross pins. The two cross pins and the other three cross pins in the structure shown in the figure cross the first wall and the second wall to fix the shape of the second frame 301 to ensure its shape. And provide installation convenience for the clamping mechanism 500. The second clamping part 300 further includes a first elastic element 305, which can exert an elastic force on the damping block 304 to make the damping block 304 contact the guide rail 100. Thus, when the second clamping part 300 slides relative to the guide rail 100, the damping block 304 generates friction with the guide rail 100, which can avoid the second clamping part 300 from sliding along the guide rail 100 too fast and causing accidents.

[0061] To clamp the object, a clamping force needs to be applied to the second clamping part 300, which is usually achieved by operating the clamping mechanism 500. The clamping mechanism 500 has various implementations, which are not limited in this application. The process of urging the second clamping part 300 to clamp the object is described with the illustrated structure as an example. As shown in FIG. 5, in some embodiments, the clamping mechanism 500 includes a bracket 501, stacked locking pieces 502, a second elastic element 503, a screw rod 505 with a handle 504, and a push-pull piece 506. The bracket 501 includes a transverse hole, the transverse hole of the bracket 501 is sleeved on the guide rail 100, and the bracket 501 is located between the two side walls of the second skeleton 301. The locking pieces 502 include through holes. According to the illustrated assembly position, the relative position of the bracket 501 and the second skeleton 301 is determined during assembly, and then the corresponding pin shaft is connected. The stacked locking pieces 502 are located in the transverse hole of the bracket 501 and are also sleeved on the guide rail 100, so that the stacked locking pieces are part of the bracket 501. The stacked locking pieces 502 are inclined and block the guide rail 100 through the through hole edges of the locking pieces, thereby positioning the bracket 501 on the guide rail 100. To increase the reliability of the locking pieces 502 blocking the guide rail 100, the second elastic element 503 such as a bent plate-shaped spring is supported on the locking pieces. The screw rod 505 is assembled in the threaded hole at the upper end of the bracket 501, and the push-pull piece 506 is assembled at the front end of the screw rod 505 and is clamped in the clamping groove of the second skeleton 301. As shown, by rotating the screw rod, the second clamping part 300 is pushed to move close to the first clamping part 200 to clamp the object located between the second clamping part 300 and the first clamping part 200, the reaction force of the object on the second clamping part 300 is transmitted to the upper end of the bracket 501 through the screw rod 505, forming a clockwise moment on the bracket 501, which makes the locking pieces block the guide rail 100 more tightly, thereby achieving a greater clamping force. Reverse the screw rod 505, the clamping force becomes smaller, and the moment on the bracket 501 also becomes smaller. When there is no object to be clamped, the bracket 501 is not subjected to the moment from the screw rod 505, at this time, the locking pieces moderately block the guide rail 100 by relying on the assembly relationship and the elastic force of the second elastic element applied to the locking pieces, and the clamping mechanism can be freely slid and moved with the second clamping part 300 on the guide rail 100, which is used for quickly moving the second clamping part 300.

[0062] When the object is placed between the first clamping part 200 and the second clamping part 300, the object is easy to fall even if it is supported by the guide rail 100. Therefore, in some embodiments of the present application, a support part 400 is arranged on the guide rail 100 to expand the support area of the object and avoid or reduce the falling of the object. The support part 400 is arranged on the guide rail 100 and located between the first clamping part 200 and the second clamping part 300 to support the clamped object stably. As shown in FIGS. 11-16, in some embodiments of the present application, the support part 400 has a placing plate 401 including an upper side and a lower side arranged opposite to the upper side, and the upper side of the placing plate 401 defines a placing surface 402, the width (the size in the left-right direction as shown in FIG. 1) of the placing surface 402 is greater than the thickness of the track so as to better support the object and keep the object stable. The lower side of the placing plate 401 has a first clamping arm 403, a second clamping arm 404, a first guard plate 410 and a second guard plate 411 extending downward. The first guard plate 410 is arranged on both sides of the first clamping arm 403, and the second guard plate 411 is arranged on both sides of the second clamping arm 404. In this way, the first clamping arm 403 and the second clamping arm 404 can be avoided from being directly collided during work, or when the first clamping arm 403 and the second clamping arm 404 are collided during work, they can be protected by the corresponding guard plates and not be damaged. A first channel 405 extending in the front-rear direction is arranged between the first clamping arm 403 and the second clamping arm 404 and between the first guard plate 410 and the second guard plate 411, and the guide rail 100 is arranged in the first channel 405 as shown in FIGS. 6-7. The first clamping arm 403 and the second clamping arm 404 are arranged on both sides of the guide rail 100 and clamp the guide rail 100, so that the support part 400 can be reliably combined with the guide rail 100 and can be detached from the guide rail 100 and can slide along the guide rail 100.

[0063] In some embodiments, in order to reliably combine the support part 400 with the guide rail 100, the first clamping arm 403 has a protrusion 406 abutting against one side surface of the guide rail 100. The side surface of the guide rail 100 is provided with a groove 101 along the length direction thereof, and the protrusion is located in the groove 101, so that the support part 400 can be limited on the guide rail 100. Moreover, the guide rail 100 saves material and reduces weight under the condition of ensuring its strength due to the existence of the groove 101.

[0064] In some embodiments, the support part 400 is detachably arranged on the guide rail 100, and can be arranged at the rear end of the guide rail 100.

[0065] In some embodiments, when the support member 400 is detachably mounted to the rear end of the guide rail 100, it is beneficial to accommodate the first clamping part 200 and the second clamping part 300 together, at this time, the support member 400 does not hinder the first clamping part 200 and the second clamping part 300 from being accommodated together, and the support member 400 mounted to the rear end of the guide rail 100 can prevent the second clamping part 300 from sliding off the guide rail 100. Further, when the support member 400 is mounted to the rear end of the guide rail 100, it can be placed vertically together with the first clamping part 200 as two feet as shown in FIG. 3 and FIG. 5. Since the support member 400 and the first clamping part 200 have the maximum span, the stability of the clamp when it is placed vertically can be ensured. At this time, the lower part of the first clamping part 200 and the lower part of the support member 400 are flush, and the lower part of the second clamping part 300 is higher than the lower part of the first clamping part 200 and the lower part of the support member 400, so that the second clamping part 300 can move smoothly to clamp the object without being hindered by the workbench surface on which the clamp is placed. Wherein, the "lower part" refers to the lowest point of the element in the vertical direction, in other words, the height of the plane where the lowest point of the second clamping part 300 is located is higher than the height of the plane where the lowest point of the support member 400 and the first clamping part 200 is located along the up-down direction in the figure.

[0066] In the illustrated structure, the rear end of the guide rail 100 is provided with a pin hole 102, and the support member 400 has a pin 407, when the support member 400 is mounted to the rear end of the guide rail 100 as shown in FIG. 9, the pin 407 is located in the pin hole 102. In the illustrated structure, the support member 400 has a second channel 408 extending through the object plate, the second clamping arm 404 has an extension segment 409, the pin 407 is located in the extension segment and is located on the lower side of the guide rail 100, when the support member 400 is mounted to the rear end of the guide rail 100, the second channel 408 is sleeved on the guide rail 100. Accordingly, the support member 400 can be clamped on the guide rail 100 as shown, that is, the guide rail 100 is arranged in the first channel. The guide rail 100 can also pass through the second channel, the support member 400 is attached to the rear end of the guide rail 100, the pin is located in the pin hole 102, so that the support member can be limited to the rear end of the guide rail 100.

[0067] In other embodiments, the protrusion of the first clamping arm is in the form of a pin, which can also be mounted to the rear end of the guide rail 100 in the posture as shown.

[0068] The technical features of the above-mentioned embodiments can be combined in any manner. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present disclosure.

[0069] The above embodiments only express several implementation ways of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation to the patent scope of the application. It should be pointed out that for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A clamp characterized by The utility model relates to a support device for an object, comprising: a guide rail; a first clamping part fixed to the guide rail; a second clamping part slidingly arranged on the guide rail and cooperating with the first clamping part to clamp the object; a support part arranged on the guide rail between the first clamping part and the second clamping part to support and stabilize the clamped object.

2. The clamp of claim 1, wherein, The support part is detachably arranged on the guide rail.

3. The clamp of claim 1, wherein, The support part is slidingly arranged on the guide rail.

4. The clamp of claim 1, wherein, The support part is clamped on the guide rail.

5. The clamp of any one of claims 1-4, wherein, The support part is provided with a placing plate, the upper side of the placing plate is defined as a placing surface, the lower side of the placing plate is provided with a first clamping arm and a second clamping arm extending downward, a first channel is arranged between the first clamping arm and the second clamping arm, the guide rail is arranged in the first channel, the first clamping arm and the second clamping arm are respectively arranged on both sides of the guide rail and clamp the guide rail, so that the support part can be detached from the guide rail and can slide along the guide rail.

6. The clamp of claim 5, wherein, The first clamping arm is provided with a protrusion clamped on one side of the guide rail.

7. The clamp of claim 6, wherein, The side of the guide rail is provided with a groove along the length direction, and the protrusion is located in the groove, so that the support part can be limited on the guide rail.

8. The clamp of claim 5, wherein, The support part is arranged to be detachable and arranged at the rear end of the guide rail.

9. The clamp of claim 8, wherein, The rear end of the guide rail is provided with a pin hole, and the support part is provided with a pin, when the support part is arranged at the rear end of the guide rail, the pin is located in the pin hole, so that the support part can be limited with the rear end of the guide rail.

10. The clamp of claim 8, wherein, When the support part is arranged at the rear end of the guide rail, the lower part of the first clamping part and the lower part of the support part are flush, and the lower part of the second clamping part is higher than the lower part of the first clamping part and the lower part of the support part.

11. The clamp of claim 9, wherein, The first clamping arm is provided with a protrusion clamped on one side of the guide rail, and the protrusion serves as the pin.

12. The clamp of claim 9, wherein, The first clamping arm is provided with a protrusion clamped on one side of the guide rail, and the second clamping arm is provided with the pin.

13. The clamp of claim 9, wherein, The support part is provided with a second channel penetrating the placing plate, the first clamping arm or the second clamping arm is provided with an extension, the pin is located in the extension and located at the lower side of the guide rail, and the second channel is sleeved on the guide rail when the support part is arranged at the rear end of the guide rail.

14. The clamp of claim 5, wherein, The lower side of the placing plate is provided with a first guard plate and a second guard plate extending downward, the first guard plate is arranged on both sides of the first clamping arm, and the second guard plate is arranged on both sides of the second clamping arm.

15. The clamp of any one of claims 1-4, wherein, The first clamping part comprises a first gasket, and the second clamping part comprises a second gasket, the first gasket and the second gasket are arranged opposite to each other, and the first gasket and the second gasket contact the object when the first clamping part and the second clamping part clamp the object.

16. The clamp of any one of claims 1-4, wherein, The second clamping part comprises a damping block, and the damping block contacts the guide rail.

17. The clamp of claim 16, wherein, The damping block is in the shape of U, and the guide rail is partially arranged in the damping block.

18. The clamp of claim 16, wherein, The second clamping part further comprises a first elastic element, and the first elastic element can apply an elastic force to the damping block to make the damping block contact the guide rail.

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