CN214817871U - Clamp apparatus - Google Patents

Abstract

The utility model provides a clamp, which comprises a first clamp arm and a second clamp arm, wherein the first clamp arm is hinged with the second clamp arm, and the first clamp arm and the second clamp arm both form a clamping section and a holding section which are positioned at two sides of a hinged point; the first clamping arm and/or the second clamping arm are/is fixedly provided with a reinforcing piece, and the deformation resistance and the strength of the reinforcing piece are greater than those of the first clamping arm and the second clamping arm; at least part of the reinforcing piece is fixedly arranged on the clamping section of the first clamping arm and/or the second clamping arm. The fixture provided by the utility model has better reliability and durability, the connection between the reinforcing piece and the first clamping arm and/or the second clamping arm is firmer, and the reinforcing piece is not easy to lose due to falling off; the first clamping arm and/or the second clamping arm fixedly provided with the reinforcing piece and the reinforcing piece jointly form a whole body with elasticity and higher anti-deformation capacity and strength, so that the clamp can apply larger clamping force to a target object, the bearing limit of the clamping jaw end is improved, and the risk of deformation and fracture caused by insufficient strength of the first clamping arm and the second clamping arm can be reduced.

Description

Clamp apparatus

Technical Field

The utility model relates to an instrument technical field especially relates to an anchor clamps.

Background

The clamp is a widely-used manual tool at present and comprises two mutually-hinged clamping arms for clamping a target object, so that the operations of bending, drawing, fixing or transferring the target object and the like are convenient.

The existing clamp has the problem that enough clamping force cannot be applied to a target object, and sufficient clamping is difficult to realize. When the clamp adopts the clamp arm made of a hard material without deformation capacity, the clamp arm cannot generate slight elastic deformation so as to further increase the pressure acting on a target object; when anchor clamps adopt the arm lock of being made by anti deformability or the lower material of intensity, for avoiding arousing deformation or even fracture because of arm lock intensity is not enough, the arm lock can be injectd the pressure extreme value that the target object applyed in less within range, and the biggest clamp force that leads to anchor clamps to produce is less, has restricted the use occasion of anchor clamps.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamp, which comprises a first clamp arm and a second clamp arm, wherein the first clamp arm is hinged with the second clamp arm, and both the first clamp arm and the second clamp arm form a clamping section and a holding section which are positioned at both sides of a hinged point; the first clamping arm and/or the second clamping arm are/is fixedly provided with a reinforcing piece, and the deformation resistance and the strength of the reinforcing piece are greater than those of the first clamping arm and the second clamping arm; at least part of the reinforcing piece is fixedly arranged on the clamping section of the first clamping arm and/or the second clamping arm.

In one embodiment, the reinforcing member is a metal member, and the first clamping arm and/or the second clamping arm is a plastic member.

So set up, the reinforcement has higher anti deformability and intensity, and first arm lock and/or second arm lock have elastic deformation ability for the first arm lock and/or second arm lock that set firmly the reinforcement and the reinforcement formed jointly have elasticity and higher anti deformability and intensity concurrently.

In one embodiment, the first clamping arm is hinged to the second clamping arm through a connecting pin, and the reinforcing member is provided with a first through hole through which the connecting pin penetrates.

So set up, the connecting pin can guarantee that the two accurately rotates relatively around its axis.

In one embodiment, the reinforcing member forms a first reinforcing portion and a second reinforcing portion on two sides of the first through hole, and the first reinforcing portion and the second reinforcing portion correspond to the clamping section and the holding section, respectively.

So set up, the reinforcement makes the centre gripping section all obtain apparent anti deformability and intensity promotion gain with the section of gripping, not only can reliably press from both sides tightly target object, can also make the section of gripping stably bear the pressure of gripping that comes from the user, and then improved the durability of anchor clamps.

In one embodiment, the number of the reinforcing members is two, and the two reinforcing members are respectively fixedly arranged on the first clamping arm and the second clamping arm and relatively rotate through a connecting pin;

two the reinforcement is followed the axial of connecting pin is close to the setting relatively, first arm lock with the second arm lock is still seted up the relative first groove and the second groove of stepping down that sets up respectively, two the reinforcement passes through respectively first groove of stepping down reaches the second groove of stepping down exposes.

By the arrangement, the integral force bearing limit of the clamp is further improved, so that the deformation resistance and strength of the integral formed by the reinforcing piece and the first clamping arm and the integral formed by the reinforcing piece and the second clamping arm are improved; in addition, two reinforcements are close to the setting relatively along the axial of connecting pin, can reduce the moment of flexure that two reinforcements act on the connecting pin, avoid the connecting pin to produce deformation and destroy, frictional resistance when also can reduce two arm lock relative rotations simultaneously.

In one embodiment, the clamp further includes a first elastic member, the first elastic member includes a sleeve portion and a limiting portion, the sleeve portion and the limiting portion are fixed to each other, the sleeve portion is sleeved on the connecting pin, and the limiting portion penetrates through the first through hole and abuts against one side of the reinforcing member along the axial direction of the connecting pin.

So set up, first elastic component can keep the fixed of relative position between reinforcement and the connecting pin, has realized the restriction to the reinforcement at the connecting pin axial translation degree of freedom.

In one embodiment, the clamping section comprises a first extension part, a second extension part and a third extension part which are connected in sequence and form an included angle with each other, the first extension part is connected with the holding section, and the third extension part is used for forming a clamping end;

the first reinforcement portion includes a first reinforcement segment, a second reinforcement segment, and a third reinforcement segment corresponding to the first extension portion, the second extension portion, and the third extension portion, respectively, and the second reinforcement segment protrudes in a direction closer to the other of the clamping segments with respect to the second extension portion.

By the arrangement, when a target object is clamped, the first extension part and the third extension part have the tendency of warping deformation relative to the second extension part, the tendency improves the strain and the comprehensive deformation of the whole stressed clamping section, and is beneficial to generating larger clamping force on the target object; the second reinforcing section protrudes towards the direction close to the other clamping section relative to the second extending part, so that the part of the second reinforcing section exposed out of the second extending part has the function of a reinforcing rib, when a user clamps a target object forcibly, the exposed part can bear larger tensile force, the first extending part and the third extending part are prevented from being bent and broken under the action of bending moment, and the integral force bearing limit of the clamping section is further improved.

In one embodiment, the first clamping arm and/or the second clamping arm are/is provided with an assembling groove matched with the reinforcing piece, and the reinforcing piece is embedded in the assembling groove.

So set up, the fixed effect between reinforcement and first arm lock and/or the second arm lock is better.

In one embodiment, the number of the reinforcing members is two, and the reinforcing members are fixedly arranged on the first clamping arm and the second clamping arm respectively; the fixture further comprises a locking mechanism, the locking mechanism comprises a first locking piece, a second locking piece and a sleeve, one end of the first locking piece is hinged to one reinforcing piece, the other end of the first locking piece is arranged in the sleeve in a sliding mode, the sleeve is hinged to the other reinforcing piece, the second locking piece is sleeved on the first locking piece and can be opposite to the first locking piece, and the first locking piece inclines and is clamped and fixed.

So set up, locking mechanism respectively with two reinforcement rigid connection, be favorable to guaranteeing when locking mechanism functions and locks, the quick, accurate fixed of relative position between first arm lock and the second arm lock prevents that the fixed of first arm lock and second arm lock relative position lags behind locking mechanism's locking fixed, improves the response speed of first arm lock and second arm lock to locking mechanism state change.

In one embodiment, the locking mechanism further comprises a second elastic member and a third elastic member, the second elastic member is disposed at an end of the sleeve relatively far away from the reinforcing member, and the second locking member is kept in relative inclination and clamping fixation with the first locking member under the action of the second elastic member; the third elastic piece is arranged at one end, extending into the sleeve, of the first locking piece, and the first locking piece can extend out of the sleeve under the action of the third elastic piece so as to change the lengths of two ends of the locking mechanism.

With the arrangement, the second elastic piece can enable the locking mechanism to be kept in a locking and fixing state, so that the relative position between the first clamping arm and the second clamping arm is kept fixed, the hands of a user can be conveniently released, the user does not need to keep pressing the holding section, and the target object can be kept clamped only by the locking mechanism; the third elastic piece can push the first locking piece to extend out of the sleeve when the first locking piece and the second locking piece are unlocked, and then the angle of the first clamping arm and the angle of the second clamping arm are changed by changing the length of the locking mechanism, so that the clamp is switched to a loosening state finally, and a clamping jaw is formed.

The utility model provides an anchor clamps, its reliability and durability after the assembly are better. Compared with the traditional clamp, the connection between the reinforcing piece and the first clamping arm and/or the second clamping arm is firmer, and the reinforcing piece is not easy to lose due to falling off; on this basis, the first arm lock and/or the second arm lock that set firmly the reinforcement have elasticity and higher intensity jointly with the whole that the reinforcement formed jointly to make anchor clamps can apply bigger clamp force to the target object, thereby the heavier object of centre gripping improves the load bearing limit of centre gripping pincers end, can also reduce first arm lock and second arm lock whole because of the not enough risk that causes deformation or even fracture of intensity.

Drawings

Fig. 1 is a schematic perspective view of a clamp according to a first embodiment of the present invention;

FIG. 2 is a perspective view of the fixture of FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of the clamp of FIG. 1 with the first clamping arm removed;

FIG. 4 is a cut-away schematic view of the fixture of FIG. 1;

fig. 5 is a schematic structural view of a clamp according to a second embodiment of the present invention.

Description of reference numerals:

100. a clamp; 11. a first clamp arm; 12. a second clamp arm; 111. clamping the end of the clamp; 101. a clamping section; 1011. a first extension portion; 1012. a second extension portion; 1013. a third extension portion; 102. a holding section; 13. a connecting pin; 14. a first abdicating groove; 15. a second abdicating groove; 20. a reinforcement; 21. a first through hole; 201. a first reinforcing portion; 2011. a first reinforcing section; 2012. a second reinforcing section; 2013. a third reinforcing section; 202. a second reinforcement portion; 30. a first elastic member; 40. a locking mechanism; 41. a first locking member; 42. a second locking member; 43. a sleeve; 44. a second elastic member; 45. a third elastic member; 50. and a fixing member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The clamp is a hand tool widely used at present, and can be used for clamping a target object so as to conveniently perform operations of bending, drawing, fixing or transferring the target object and the like.

The existing clamp has the problem that enough clamping force cannot be applied to a target object, and the target object cannot be sufficiently clamped. When the clamp adopts the clamp arm made of a hard material without deformation capacity, the clamp arm cannot generate slight elastic deformation so as to further increase the pressure acting on a target object; when anchor clamps adopt the arm lock of being made by anti deformability or the lower material of intensity, for avoiding arousing deformation or even fracture because of arm lock intensity is not enough, the arm lock can be injectd the pressure extreme value that the target object applyed in less within range, and the biggest clamp force that leads to anchor clamps to produce is less, has restricted the use occasion of anchor clamps.

In view of this, the utility model provides a clamp 100, including first arm lock 11, first arm lock 11 and reinforcement 20, wherein first arm lock 11 and second arm lock 12 are articulated each other, and the two all forms clamping section 101 and gripping section 102 in the both sides of its articulated center, namely is two clamping section 101 in one of them side of first arm lock 11 and second arm lock 12 pin joint, and the other side is two gripping sections 102. The end of the gripping section 101 facing away from the gripping section 102 forms a gripper end 111 for pressing against the target object.

Reinforcing parts 20 are fixedly arranged in the first clamping arm 11 and/or the second clamping arm 12, wherein the deformation resistance and the strength of the reinforcing parts 20 are greater than the respective deformation resistance and the strength of the first clamping arm 11 and the second clamping arm 12. At least part of the reinforcement member 20 is fixedly disposed on the first clip arm 11 or the second clip arm 12.

The utility model provides a fixture 100, its reliability and durability after the assembly are better. Compared with the conventional clamp 100, the connection between the reinforcing member 20 and the first clamping arm 11 and/or the second clamping arm 12 is firmer, and the reinforcing member 20 is not easy to lose due to falling off; on this basis, the whole formed by the first clamping arm 11 and/or the second clamping arm 12 fixedly provided with the reinforcing member 20 and the reinforcing member 20 has elasticity and higher strength, so that the clamp 100 can apply larger clamping force to a target object, so as to clamp a heavier object, improve the bearing limit of the clamping jaw end 111, and reduce the risk of deformation and even breakage of the whole first clamping arm 11 and the second clamping arm 12 due to insufficient strength.

Please refer to fig. 1 to 4. Specifically, in the first embodiment, the reinforcing members 20 are fixedly arranged in the first clamping arm 11 and the second clamping arm 12, and the reinforcing members 20 are fixedly arranged in the clamping section 101 and the holding section 102 of each clamping arm; the first clip arm 11 and the second clip arm 12 are mirror images of each other, and the two reinforcements 20 have substantially the same shape.

More specifically, in order to ensure that the whole formed by fixedly connecting the reinforcing member 20 with each clamping arm has higher deformation resistance and strength, and has a certain elastic deformation capability, the reinforcing member 20 is preferably made of a metal member, particularly a metal member obtained by a sheet metal process, for example, a metal plate made by forging, blanking, wire cutting, etc. can be used as the reinforcing member 20; the first clamping arm 11 and the second clamping arm 12 are plastic parts, at least partially cover the reinforcement 20, and can generate micro elastic deformation under a stress state.

It is understood that in other embodiments, the reinforcement member 20 may be disposed inside only one of the first clamping arm 11 and the second clamping arm 12, or in other embodiments, the reinforcement member 20 may also be disposed inside a portion of the first clamping arm 11 or the second clamping arm 12, as long as at least a portion of the reinforcement member 20 can be disposed inside the clamping section 101 of the first clamping arm 11 or the second clamping arm 12, so that the reinforcement member 20 and the first clamping arm 11 or the second clamping arm 12 are fixedly connected to each other to have elasticity and strength.

Specifically, in the first embodiment, the first clamping arm 11 and the second clamping arm 12 are hinged by passing through the connecting pin 13, wherein an axis of the connecting pin 13 is a hinge center of the first clamping arm 11 and the second clamping arm 12; the reinforcing member 20 is further provided with a first through hole 21, and the connecting pin 13 penetrates through the first clamping arm 11 and the second clamping arm 12 and also penetrates through the first through hole 21; the reinforcing member 20 has a first reinforcing portion 201 and a second reinforcing portion 202 formed on both sides of the first through hole 21, and the first reinforcing portion and the second reinforcing portion are correspondingly fixed in the holding section 101 and the holding section 102, respectively.

So set up, reinforcement 20 makes centre gripping section 101 and the section of gripping 102 all obtain apparent anti deformability and intensity boost gain, not only can reliably press from both sides tightly to the target object, can also make the section of gripping 102 bear the pressure of holding from the user steadily, prevents that the section of gripping 102 is bent the deformation because of anti deformability or intensity are not enough, and then has improved the durability of anchor clamps 100.

Please refer to fig. 2 again. The two reinforcing members 20 are relatively close to each other along the axial direction of the connecting pin 13, the first clamping arm 11 and the second clamping arm 12 are further provided with a first abdicating groove 14 and a second abdicating groove 15 which are relatively arranged, and the two reinforcing members 20 are respectively exposed through the first abdicating groove 14 and the second abdicating groove 15.

Specifically, the first yielding groove 14 and the second yielding groove 15 are formed by being recessed inwards in the thickness direction of the two reinforcements 20, and two pin through holes which are formed in the first clamping arm 11 and the second clamping arm 12 and through which the connecting pin 13 passes penetrate respectively from the bottoms of the first yielding groove 14 and the second yielding groove 15 to penetrate through the first clamping arm 11 and the second clamping arm 12 in the thickness direction of the reinforcements 20. The sunken degree of depth of first groove 14 of stepping down and second groove 15 of stepping down can make reinforcement 20 expose, and first arm lock 11 and the articulated back of second arm lock 12, the relative setting of tank bottom surface of the two, two reinforcements 20 contact simultaneously and laminate.

With the arrangement, the two reinforcing pieces 20 are relatively close to each other along the axial direction of the connecting pin 13, so that the bending moment of the two reinforcing pieces 20 acting on the connecting pin 13 can be reduced, and the connecting pin 13 is prevented from being bent by the reinforcing pieces 20 after being held by a user with force for a long time; in addition, be located the laminating setting of reinforcement 20 of two arm locks respectively for first arm lock 11 and second arm lock 12 between form intermetallic sliding contact, can reduce the two relative pivoted frictional force, avoid first arm lock 11 and second arm lock 12 contact and relative motion regional wearing and tearing, make things convenient for laborsaving more when using anchor clamps 100.

Please refer to fig. 3 again. Further, in the first embodiment, the clamp 100 further includes the first elastic element 30, and the first elastic element 30 includes a sleeve portion and a limiting portion fixed to each other, wherein the sleeve portion is sleeved outside the connecting pin 13, and the limiting portion passes through the first through hole 21 on the reinforcing element 20 and abuts against one side of the reinforcing element 20 along the axial direction of the connecting pin 13.

With this arrangement, the first elastic member 30 can keep the relative position between the reinforcing member 20 and the connecting pin 13 fixed, and the degree of freedom of movement of the reinforcing member 20 in the axial direction of the connecting pin 13 is restricted.

Preferably, in the first embodiment, the first elastic member 30 is a torsion spring, wherein the spiral portion of the torsion spring is a sleeve portion, the two supporting legs extending from the two ends of the torsion spring form the limiting portion, and the two supporting legs are attached to the side portions of the two reinforcing members 20 after passing through the first through hole 21, so that the two reinforcing members 20 are kept in contact in the areas where the first and second receding grooves 14 and 15 are located, and the gap between the two reinforcing members 20 in the axial direction of the connecting pin 13 is eliminated.

Specifically, in the first embodiment, the clamping section 101 includes a first extending portion 1011, a second extending portion 1012 and a third extending portion 1013 connected in sequence and forming an included angle therebetween, and after the three are connected, the clamping section 101 is formed into a C-shape with an opening or a rectangle with a single side opening; the openings of the clamping sections 101 of the first clamping arm 11 and the second clamping arm 12 are arranged oppositely, and after the first clamping arm 11 and the second clamping arm 12 are hinged, the openings of the clamping sections 101 of the first clamping arm 11 and the second clamping arm can be enclosed to form an approximately rectangular or circular closed area.

The first extension 1011 is connected to the grip segment 102 and sleeved with the connecting pin 13, the end of the third extension 1013 relatively far from the first extension 1011 is used to form the clamp end 111, and the second extension 1012 is located between the first extension 1011 and the third extension 1013; the shape of the first reinforcement portion 201 is adapted to the clamping segment 101, and includes a first reinforcement segment 2011, a second reinforcement segment 2012 and a third reinforcement segment 2013 corresponding to the first extension 1011, the second extension 1012 and the third extension 1013, respectively, and the second reinforcement segment 2012 is exposed relative to the second extension 1012 and protrudes in a direction close to the other clamping segment 101.

With such an arrangement, when a target object is clamped, the first extension part 1011 and the third extension part 1013 both have a tendency of buckling deformation relative to the second extension part 1012, and such a tendency increases the strain and the comprehensive deformation of the whole stressed clamping section 101, which is beneficial to generate a larger clamping force on the target object; the part of the second reinforcing segment 2012 exposed out of the second extension part 1012 has the function of a reinforcing rib, which is equivalent to the reinforcing rib extending from the first extension part 1011 to the third extension part 1013, when a user clamps a target object with force, the exposed part can bear a large tensile force, so that the first extension part 1011 and the third extension part 1013 are prevented from bending and breaking under the action of a bending moment, and the integral force bearing limit of the clamping segment 101 is further improved.

Further, in the first embodiment, the first arm 11 and the second arm 12 are provided with an assembling slot adapted to the shape of the reinforcement member 20, and the reinforcement member 20 is embedded in the assembling slot.

Specifically, the present invention provides a clamp 100 that can be made by the following method: fixing a pre-processed reinforcing part 20 and two casing materials which can be butted and spliced mutually on a specified assembly station, embedding and fixing one of the casing materials provided with an assembly groove matched with the shape of the reinforcing part 20 and the reinforcing part 20, butting and splicing the two casing materials and further fixing to form a first clamping arm 11 and a second clamping arm 12, and finally fixing the reinforcing part 20 between the two casing materials.

Further, in one embodiment, the number of the reinforcing members 20 is two and the reinforcing members are respectively fixed in the first clamping arm 11 and the second clamping arm 12, and the clamp 100 further includes a locking mechanism 40, wherein the locking mechanism 40 includes a first locking member 41, a second locking member 42 and a sleeve 43. The first locking member 41 is a rod or a cylindrical member, one end of the first locking member is hinged to one of the reinforcing members 20, the other end of the first locking member is slidably disposed in the sleeve 43, the sleeve 43 is hinged to the other reinforcing member 20, the second locking member 42 is provided with a locking through hole, and the first locking member 41 is sleeved through the locking through hole and can incline and be clamped and fixed relative to the first locking member 41.

So set up, locking mechanism 40 is respectively with two reinforcement 20 rigid connection, is favorable to guaranteeing that when locking mechanism 40 functions and locks, the relative position between first arm lock 11 and the second arm lock 12 can be fixed fast, accurately, prevents that the fixed lags behind locking mechanism 40's locking of first arm lock 11 and second arm lock 12 relative position is fixed, improves the response speed of first arm lock 11 and second arm lock 12 to locking mechanism 40 state change.

Specifically, the second locking member 42 includes a locking portion and an operating portion fixed relatively, the locking through hole is opened in the locking portion, and the operating portion is bent with respect to the locking portion. The actual area of the locking through-hole is larger than the area of the first locking member 41 in its radial cross-section.

When a user adjusts the locking part to change from a vertical state to an inclined state relative to the axial direction of the first locking part 41 through the operating part, the projection area of the locking through hole on the radial plane of the first locking part 41 is reduced until the inner wall of the locking through hole is abutted and fixed with the outer peripheral wall of the first locking part 41, at this time, the second locking part 42 is fixed relative to the first locking part 41, and the length dimension of the locking mechanism 40 at this time is minimized, so that the included angle between the two holding sections 102 and the two clamping sections 101 can be maintained. The user can stop applying force to the holding section 102, and only lock the relative position between the first clamping arm 11 and the second clamping arm 12 by the locking mechanism 40, so as to maintain the clamping state of the clamp 100 on the target object.

When the user adjusts the operation part, the projection area of the locking through hole on the radial plane of the first locking member 41 is increased when the locking part changes from the inclined state to the vertical state relative to the axial direction of the first locking member 41, at this time, the inner wall of the locking through hole is separated from the first locking member 41, the second locking member 42 is unlocked with the first locking member 41, further, the locking mechanism 40 is unlocked, and at this time, the user can operate the clamp 100 to loosen the clamping of the target object or clamp other objects.

Please refer to fig. 4 again. Furthermore, in one embodiment, the locking mechanism 40 further includes a second elastic member 44 and a third elastic member 45, the second elastic member 44 is disposed at an end of the sleeve 43 relatively far from the reinforcing member 20, the locking portion can be kept in a state of being inclined and clamped with the first locking member 41 under the elastic action of the second elastic member 44, when the locking mechanism 40 needs to be unlocked, a user adjusts the operating portion to drive the locking portion to overcome the elastic force of the second elastic member 44, so that the inner wall of the locking through hole is separated from the outer peripheral wall of the first locking member 41; the third elastic element 45 is disposed at one end of the first locking element 41 extending into the sleeve 43, and the first locking element 41 can extend out of the sleeve 43 under the action of the third elastic element 45 to change the length of the two ends of the locking mechanism 40.

With such an arrangement, the second elastic element 44 can keep the locking mechanism 40 in a locking and fixing state, so that the relative position between the first clamping arm 11 and the second clamping arm 12 is kept fixed, thereby facilitating the release of the two hands of the user, and the user does not need to keep pressing the holding section 102, and only needs the locking mechanism 40 to keep clamping the target object; the third elastic element 45 can push the first locking element 41 to extend out of the sleeve 43 when the first locking element 41 and the second locking element 42 are unlocked, so as to change the angles of the first clamping arm 11 and the second clamping arm 12 by changing the length of the locking mechanism 40, and finally, the clamp 100 is switched to a relaxed state and forms a clamping jaw.

The following is a clamp 100 according to a second embodiment of the present invention, and the clamp 100 according to the second embodiment is substantially the same as the first embodiment, except that in the second embodiment, the reinforcing member 20 is fixedly connected to the first clamping arm 11 and/or the second clamping arm 12 through the fixing member 50.

Please refer to fig. 5. The reinforcing member 20 is located on the outer walls of the first clamping arm 11 and the second clamping arm, and the edge of the reinforcing member 20 is not exposed to the edge of the first clamping arm 11 or the edge of the second clamping arm 12. Alternatively, the fixing member for fixing the reinforcing member 20 may be a screw, a bolt and a nut that are engaged with each other, or a rivet; the reinforcement member 20 may be fixed to a single side of the first arm 11 or the second arm 12, or the reinforcement member 20 may be fixed to both opposite sides of the first arm 11 or the second arm 12.

The utility model provides a fixture 100, its reliability and durability after the assembly are better. Compared with the conventional clamp 100, the connection between the reinforcing member 20 and the first clamping arm 11 and/or the second clamping arm 12 is firmer, and the reinforcing member 20 is not easy to lose due to falling off; on this basis, the whole formed by the first clamping arm 11 and/or the second clamping arm 12 fixedly provided with the reinforcing member 20 and the reinforcing member 20 has elasticity and higher strength, so that the clamp 100 can apply larger clamping force to a target object, so as to clamp a heavier object, improve the bearing limit of the clamping jaw end 111, and reduce the risk of deformation and even breakage of the whole first clamping arm 11 and the second clamping arm 12 due to insufficient strength.

The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (10)

1. A clamp comprises a first clamping arm (11) and a second clamping arm (12), wherein the first clamping arm (11) is hinged with the second clamping arm (12), and both the first clamping arm and the second clamping arm form a clamping section (101) and a holding section (102) which are positioned at two sides of a hinged point; the clamping device is characterized in that a reinforcing piece (20) is fixedly arranged on the first clamping arm (11) and/or the second clamping arm (12), and the deformation resistance and the strength of the reinforcing piece (20) are greater than those of the first clamping arm (11) and the second clamping arm (12); at least part of the reinforcing part (20) is fixedly arranged on the clamping section (101) of the first clamping arm (11) and/or the second clamping arm (12).

2. The clamp according to claim 1, characterized in that said reinforcement (20) is a metal part and said first clamping arm (11) and/or said second clamping arm (12) is a plastic part.

3. The clamp according to claim 1, characterized in that the first clamping arm (11) and the second clamping arm (12) are hinged by a connecting pin (13), and the reinforcement (20) is provided with a first through hole (21) for the connecting pin (13) to pass through.

4. The clamp according to claim 3, characterized in that the reinforcement (20) forms a first reinforcement (201) and a second reinforcement (202) on both sides of the first through hole (21), the first reinforcement (201) and the second reinforcement (202) corresponding to the clamping section (101) and the gripping section (102), respectively.

5. The clamp according to claim 3, characterized in that said reinforcing elements (20) are two in number, are fixed to said first clamping arm (11) and to said second clamping arm (12), respectively, and are rotated with respect to each other by means of said connecting pin (13);

two stiffener (20) are followed the axial of connecting pin (13) is close to the setting relatively, first arm lock (11) with relative first groove (14) and the second groove (15) of stepping down of setting are still seted up respectively in second arm lock (12), two stiffener (20) are respectively through first groove (14) and the second groove (15) of stepping down expose.

6. The clamp according to claim 5, further comprising a first elastic member (30), wherein the first elastic member (30) comprises a sleeve portion and a limiting portion fixed to each other, the sleeve portion is sleeved on the connecting pin (13), and the limiting portion passes through the first through hole (21) and abuts against one side of the reinforcement member (20) along the axial direction of the connecting pin (13).

7. The clamp according to claim 4, characterized in that said clamping section (101) comprises a first extension (1011), a second extension (1012) and a third extension (1013) connected in series and angled to each other, said first extension (1011) connecting said gripping section (102), said third extension (1013) forming a clamping jaw end (111);

the first reinforcement part (201) comprises a first reinforcement segment (2011), a second reinforcement segment (2012) and a third reinforcement segment (2013) which respectively correspond to the first extension part (1011), the second extension part (1012) and the third extension part (1013), and the second reinforcement segment (2012) protrudes relative to the second extension part (1012) in a direction close to the other clamping segment (101).

8. The clamp according to claim 1, characterized in that the first clamping arm (11) and/or the second clamping arm (12) is/are provided with an assembly slot adapted to the reinforcement (20), and the reinforcement (20) is embedded in the assembly slot.

9. The clamp according to claim 1, characterized in that said reinforcing elements (20) are two in number and are fixed to said first clamping arm (11) and to said second clamping arm (12), respectively;

the clamp further comprises a locking mechanism (40), the locking mechanism (40) comprises a first locking piece (41), a second locking piece (42) and a sleeve (43), one end of the first locking piece (41) is hinged to one of the reinforcing pieces (20), the other end of the first locking piece is arranged in the sleeve (43) in a sliding mode, the sleeve (43) is hinged to the other reinforcing piece (20), the second locking piece (42) is sleeved on the first locking piece (41), and the second locking piece (42) can incline and clamp and fix relative to the first locking piece (41).

10. The clamp according to claim 9, wherein the locking mechanism (40) further comprises a second elastic member (44) and a third elastic member (45), the second elastic member (44) is disposed at an end of the sleeve (43) relatively far from the reinforcing member (20), and the second locking member (42) is kept in relative inclination and clamped fixation with the first locking member (41) by the second elastic member (44);

the third elastic piece (45) is arranged at one end, extending into the sleeve (43), of the first locking piece (41), and the first locking piece (41) can extend out of the sleeve (43) under the action of the third elastic piece (45) so as to change the length of two ends of the locking mechanism (40).

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