CN219275592U - Clamp adjusting structure - Google Patents

Abstract

The utility model provides a clamp adjusting structure, which comprises a first clamp holder and a second clamp holder, wherein the first clamp holder comprises a first grab handle, a first clamp jaw and a holding rod, the first clamp jaw is connected with the first grab handle, the holding rod is connected with the first grab handle, the second clamp holder comprises a second clamp jaw, a second grab handle, a swing arm, a cam and a movable piece, the second clamp jaw is pivoted on the first grab handle, the second clamp handle is pivoted on the second clamp jaw, the swing arm is pivoted on the second grab handle, the cam is pivoted on the swing arm, the cam is provided with an abutting part, the movable piece is pivoted on the cam, the movable piece is provided with a friction hole, the holding rod is inserted in the friction hole, the movable piece can move, and the clamp adjusting structure can continuously clamp articles with different sizes on the basis of not adjusting.

Description

Clamp adjusting structure

Technical Field

The utility model mainly relates to a clamp adjusting structure, in particular to a clamp adjusting structure capable of continuously clamping articles with different sizes.

Background

Please refer to taiwan patent No. M449066, which is a universal pliers with a multifunctional adjusting knob, and includes a fixed pliers, a movable pliers pivotally connected to the fixed pliers, a locking unit disposed between the fixed pliers and the movable pliers, and an adjusting unit corresponding to the locking unit. The locking unit comprises a limiting main body pivoted on the movable clamp. The adjusting unit comprises a screw rod which is connected with the fixed clamp in a threaded manner, and an adjusting button which is connected with the screw rod, wherein the adjusting button is provided with a main operating body and an auxiliary operating body of a polygon column, and the main operating body is provided with a concave groove part which is concavely arranged on the outer peripheral surface.

However, the above-mentioned universal pliers are the same as most conventional universal pliers, and the clamping width of the jaw needs to be changed by rotating the screw, which is inconvenient for users to continuously clamp objects with different sizes, and the screw needs to be rotated again to adjust the opening width after each operation is completed, so that the next operation can be performed.

Disclosure of Invention

The utility model mainly aims to provide a clamp adjusting structure.

The utility model provides a clamp adjusting structure, which comprises a first clamp holder and a second clamp holder, wherein the first clamp holder comprises a first grab handle, a first clamping jaw and a holding rod, the first clamping jaw is fixedly connected with one end of the first grab handle, the holding rod is axially and extendingly connected with one end of the first grab handle opposite to the first clamping jaw along a virtual base line, the second clamp holder comprises a second clamping jaw, a second grab handle, a swing arm, a cam and a movable piece, the second clamping jaw is provided with a first pivot part and a second pivot part, the first pivot part is pivoted on the first grab handle and enables the second clamping jaw and the first clamping jaw to be opposite to each other, the second grab handle is pivoted on the second pivot part, one end of the swing arm is provided with a third pivot part and the other end of the swing arm is provided with a fourth pivot part, the third pivot part is pivoted on the second grab handle, the cam is provided with a fifth pivot part and a sixth pivot part, the fifth pivot part is pivoted on the fourth pivot part, the cam is provided with a propping part along the radial outer periphery of the sixth pivot part, the movable part is pivoted on the sixth pivot part, the movable part is provided with a friction hole, the pulling rod is inserted in the friction hole and can axially move along the base line, the second clamp holder can be switched between a clamping state and a release state, the propping part is propped against the pulling rod and enables the pulling rod to be contacted with the inner periphery of the friction hole when the second clamp holder is in the clamping state, the propping part is separated from the pulling rod when the second clamp holder is in the release state, and the clamp adjusting structure can continuously clamp objects with different sizes on the basis of not being adjusted.

The distance from the opposite ends of the propping part to the rotation center of the sixth pivot part forms a first radius and a second radius, the second radius is smaller than the first radius, one end of the propping part forming the first radius butts against the holding rod when the second clamp is in the clamping state, one end of the propping part forming the first radius breaks away from the holding rod when the second clamp is in the releasing state, and one end of the propping part forming the second radius is close to the holding rod.

The swing arm is provided with a screw hole in a penetrating manner along the tangential direction of the fourth pivot part and is connected with an adjusting piece, the adjusting piece is inserted into the screw hole in a threaded locking manner, and one end of the adjusting piece abuts against the cam.

One end of the adjusting piece opposite to the cam is provided with a screw head, the adjusting piece is sleeved with a spring, one end of the spring is propped against the swing arm, and the other end of the spring is propped against the screw head.

The first clamp comprises an elastic piece, the elastic piece is sleeved on the holding rod and is positioned on one side of the movable piece opposite to the first clamping jaw, one end of the elastic piece abuts against the movable piece, and the other end of the elastic piece abuts against the first grab handle.

The first grab handle is fixedly provided with a fixed ring, a stop seat and a stop sleeve, the fixed ring is provided with a fixed groove in a penetrating way, one end of the holding rod opposite to the first clamping jaw is inserted into the fixed groove and abuts against the stop seat, the stop sleeve is provided with a stop groove, one end of the holding rod adjacent to the first clamping jaw is inserted into the stop groove, and the second clamp holder can swing and displace in the stop groove when being switched between the clamping state and the releasing state.

When the second clamp holder is switched between the clamping state and the releasing state, the pulling rod swings in the limiting groove to enable the base line to swing, and the angle range of the base line swing is larger than 0 degree and smaller than 7 degrees.

When the second clamp is in the clamping state, the friction hole is adjacent to one end of the first clamp jaw and adjacent to the inner periphery of one side of the first grab handle, the friction hole is opposite to one end of the first clamp jaw and opposite to the inner periphery of one side of the first grab handle, the friction hole is adjacent to one end of the first clamp jaw and opposite to the inner periphery of one side of the first grab handle, and does not contact the holding rod, and the friction hole is opposite to one end of the first clamp jaw and adjacent to the inner periphery of one side of the first grab handle, and does not contact the holding rod.

The section of the holding rod along the radial direction of the base line is hexagonal.

The outer periphery of the check rod along the radial direction of the base line is provided with a first friction surface adjacent to one side of the first grab handle, the outer periphery of the check rod along the radial direction of the base line is opposite to one side of the first grab handle and is provided with two second friction surfaces which are not adjacent to each other, the first friction surface and the two second friction surfaces respectively extend along the direction parallel to the axial direction of the base line, when the second clamp is in the clamping state, the friction hole is adjacent to one end of the first clamp jaw and is adjacent to the inner periphery of one side of the first grab handle and contacts the first friction surface, the friction hole is opposite to one end of the first clamp jaw and is opposite to the inner periphery of one side of the first grab handle and does not contact the two second friction surfaces, and the friction hole is opposite to one end of the first clamp jaw and is adjacent to the inner periphery of one side of the first grab handle and does not contact the first friction surface.

According to the utility model, through the structure, articles with different sizes can be continuously clamped on the basis of no adjustment.

Drawings

Fig. 1 is a perspective view of a clamp adjusting structure of the present utility model.

Fig. 2 is an exploded perspective view of the clamp adjustment structure of the present utility model.

FIG. 3 is a cross-sectional view of the second holder of the clamp adjustment mechanism of the present utility model in a clamped state.

Fig. 4 is a sectional view taken along the line A-A in fig. 3.

Fig. 5 is a sectional view taken along the line B-B in fig. 3.

Fig. 6 is a cross-sectional view showing a second holder of the clamp adjusting structure of the present utility model in a clamped state, differing from fig. 3 in the position of the adjusting member.

Fig. 7 is a cross-sectional view showing a structure of the second holder of the clamp adjusting structure of the present utility model in a released state.

Reference numerals illustrate: 10 clamp adjusting structure; 20 a first gripper; a first handle 21; 211 a fixing ring; 212 a stop seat; 213 stop collar; 214 a fixed slot; 215 limit grooves; 22 first jaw; 23, a hold-down bar; 231 a first friction surface; 232 a second friction surface; 24 elastic members; 30 second gripper; 31 second jaw; 311 a first pivot; 312 a second pivot; 32 a second handle; 33 swing arms; 331 a third pivot; 332 fourth pivot; 333 screw holes; 334 adjustment member; 335 screw heads; 336 springs; 34 cam; 341 a fifth pivot; 342 a sixth pivot; 343 top; 35 a movable member; 351 friction holes; an L baseline; r1 is a first radius; r2 second radius.

Detailed Description

Fig. 1 to 7 are respectively a perspective view, an exploded perspective view and a sectional view of the clamp adjusting structure of the present utility model. The clamp adjustment structure 10 of the present utility model includes a first clamp 20 and a second clamp 30; wherein:

the first gripper 20 includes a first grip 21, a first jaw 22 and a holding rod 23, wherein the first jaw 22 is fixedly connected to one end of the first grip 21, and the holding rod 23 is axially extended along a virtual base line L and connected to an end of the first grip 21 opposite to the first jaw 22.

The second gripper 30 includes a second jaw 31, a second grip 32, a swing arm 33, a cam 34 and a movable member 35, the second grip 31 is provided with a first pivot 311 and a second pivot 312, the first pivot 311 is pivotally disposed on the first grip 21 and makes the second grip 31 and the first grip 22 opposite to each other, the second grip 32 is pivotally disposed on the second pivot 312, one end of the swing arm 33 is provided with a third pivot 331 and the other end is provided with a fourth pivot 332, the third pivot 331 is pivotally disposed on the second grip 32, the cam 34 is provided with a fifth pivot 341 and a sixth pivot 342, the fifth pivot 341 is pivotally connected to the fourth pivot 332, the cam 34 is pivotally connected to the sixth pivot 342 along the radial outer periphery of the sixth pivot 342, the movable member 35 is pivotally connected to the sixth pivot 342, the movable member 35 is provided with a friction hole 351, the friction hole 351 is capable of being axially releasing the friction hole 351 when the friction hole 23 is in the second gripper 23 and the second gripper 23 is in the axial direction, the friction hole is released from the second gripper 30, and the friction hole 23 is released from the second gripper 23 when the friction hole is in the axial state.

The distance from the opposite ends of the abutment 343 to the rotation center of the sixth pivot 342 forms a first radius R1 and a second radius R2, the second radius R2 is smaller than the first radius R1, the abutment 343 forms one end of the first radius R1 against the holding rod 23 when the second clamp 30 is in the clamped state, the abutment 343 forms one end of the first radius R1 to separate from the holding rod 23 when the second clamp 30 is in the released state, and the abutment 343 forms one end of the second radius R2 to be close to the holding rod 23.

The swing arm 33 is provided with a screw hole 333 extending along a tangential direction of the fourth pivot portion 332 and is connected with an adjusting member 334, the adjusting member 334 is inserted into the screw hole 333 in a screw locking manner, and one end of the adjusting member 334 abuts against the cam 34.

The adjusting member 334 is provided with a screw head 335 at an end opposite to the cam 34, the adjusting member 334 is sleeved with a spring 336, one end of the spring 336 abuts against the swing arm 33, and the other end abuts against the screw head 335.

The first gripper 20 includes an elastic member 24, where the elastic member 24 is sleeved on the holding rod 23 and located on a side of the movable member 35 opposite to the first jaw 22, and one end of the elastic member 24 abuts against the movable member 35 and the other end abuts against the first handle 21.

The first handle 21 is fixedly provided with a fixing ring 211, a stop seat 212 and a limiting sleeve 213, the fixing ring 211 is provided with a fixing groove 214 in a penetrating manner, one end of the holding rod 23 opposite to the first jaw 22 is inserted into the fixing groove 214 and abuts against the stop seat 212, the limiting sleeve 213 is provided with a limiting groove 215, one end of the holding rod 23 adjacent to the first jaw 22 is inserted into the limiting groove 215, and the second clamp 30 can swing and displace in the limiting groove 215 when switching between the clamping state and the releasing state.

When the second gripper 30 is switched between the gripping state and the releasing state, the lever 23 swings in the limiting groove 215 to deflect the base line L, and the angle range of the base line L is greater than 0 degrees and less than 7 degrees.

In the clamped state, the friction hole 351 contacts the holding rod 23 adjacent to one end of the first jaw 22 and adjacent to the inner periphery of the first grip 21, the friction hole 351 contacts the holding rod 23 opposite to one end of the first jaw 22 and opposite to the inner periphery of the first grip 21, the friction hole 351 does not contact the holding rod 23 adjacent to one end of the first jaw 22 and opposite to the inner periphery of the first grip 21, and the friction hole 351 does not contact the holding rod 23 opposite to one end of the first jaw 22 and adjacent to the inner periphery of the first grip 21.

The drag link 23 has a hexagonal cross section along the radial direction of the base line L.

The outer periphery of the holding rod 23 along the radial direction of the base line L is provided with a first friction surface 231 adjacent to one side of the first grab handle 21, the outer periphery of the holding rod 23 along the radial direction of the base line L is provided with two second friction surfaces 232 which are not adjacent to each other opposite to one side of the first grab handle 21, the first friction surface 231 and the two second friction surfaces 232 respectively extend along the direction parallel to the axial direction of the base line L, the friction hole 351 is adjacent to one end of the first jaw 22 and adjacent to the inner periphery of one side of the first grab handle 21 to contact the first friction surface 231 when the second clamp 30 is in the clamped state, the friction hole 351 is opposite to one end of the first jaw 22 and opposite to the inner periphery of one side of the first grab handle 21 to contact the two second friction surfaces 232, and the friction hole 351 is adjacent to one end of the first jaw 22 and opposite to the inner periphery of one side of the first grab handle 21 to not contact the first friction surface 231.

The clamp adjusting structure 10 can continuously clamp different-sized objects without adjustment by the structure, when the clamp clamps the objects, the movable piece 35 can slide on the surface of the holding rod 23, and the movable piece 35 can move to different positions according to the different sizes of the objects clamped by the clamp, so that the clamp adjusting structure can clamp the different-sized objects without adjustment, when the second clamp 30 is switched to the clamping state, the cam 34 can press the holding rod 23, the movable piece 35 is contacted with the holding rod 23 and generates friction force, and the relative position of the movable piece 35 and the holding rod 23 is limited by the friction force, so that the jaw width of the clamp adjusting structure 10 is locked.

The utility model has the following advantages in view of the above description:

1. the utility model relates to a clamp adjusting structure, wherein a spanner comprises a first clamp holder and a second clamp holder, the first clamp holder comprises a first grab handle, a first clamping jaw and a holding rod, the first clamping jaw is fixedly connected with one end of the first grab handle, the holding rod is axially connected with one end of the first grab handle opposite to the first clamping jaw along a virtual base line in an extending way, the second clamp holder comprises a second clamping jaw, a second grab handle, a swing arm, a cam and a movable piece, the second clamping jaw is provided with a first pivot part and a second pivot part, the first pivot part is pivoted on the first grab handle, the second clamping jaw and the first clamping jaw are opposite to each other, the second grab handle is pivoted on the second pivot part, one end of the swing arm is provided with a third pivot part, and the other end of the swing arm is provided with a fourth pivot part, the third pivot part is pivoted on the second grab handle, the cam is provided with a fifth pivot part and a sixth pivot part, the fifth pivot part is pivoted on the fourth pivot part, the cam is provided with a propping part along the radial outer periphery of the sixth pivot part, the movable part is pivoted on the sixth pivot part, the movable part is provided with a friction hole, the pulling rod is inserted in the friction hole and can axially move along the base line, the second clamp holder can be switched between a clamping state and a release state, the propping part is propped against the pulling rod and enables the pulling rod to be contacted with the inner periphery of the friction hole when the second clamp holder is in the clamping state, the propping part is separated from the pulling rod when the second clamp holder is in the release state, and the clamp adjusting structure can continuously clamp objects with different sizes on the basis of not being adjusted.

Claims (10)

1. The utility model provides a clamp adjustment structure which characterized in that, it includes:

the first clamp comprises a first grab handle, a first clamping jaw and a holding rod, wherein the first clamping jaw is fixedly connected to one end of the first grab handle, and the holding rod is axially and extendedly connected to one end of the first grab handle opposite to the first clamping jaw along a virtual base line;

the second clamp comprises a second clamp jaw, a second grab handle, a swing arm, a cam and a movable piece, wherein the second clamp jaw is provided with a first pivot part and a second pivot part, the first pivot part is pivoted on the first grab handle and enables the second clamp jaw and the first clamp jaw to be opposite to each other, the second grab handle is pivoted on the second pivot part, one end of the swing arm is provided with a third pivot part, the other end of the swing arm is provided with a fourth pivot part, the third pivot part is pivoted on the second grab handle, the cam is provided with a fifth pivot part and a sixth pivot part, the fifth pivot part is pivoted on the fourth pivot part, the cam is provided with an abutting part along the radial outer periphery of the sixth pivot part, the movable piece is pivoted on the sixth pivot part, the movable piece is provided with a friction hole, the friction rod is inserted in the friction hole and can move along the axial direction, the second clamp handle is provided with a third pivot part, the third pivot part is pivoted on one end of the swing arm, the cam is provided with a fourth pivot part, the fifth pivot part is pivoted on the second clamp handle, the fifth pivot part is pivoted on the fourth pivot part, the fifth pivot part is pivoted on the outer periphery of the sixth pivot part, the fifth pivot part, and the friction rod is arranged on the friction-restraining base is pivoted on the sixth pivot, and can move.

2. The clamp adjustment mechanism of claim 1, wherein: the distance from the opposite ends of the propping part to the rotation center of the sixth pivot part forms a first radius and a second radius, the second radius is smaller than the first radius, one end of the propping part forming the first radius butts against the holding rod when the second clamp is in the clamping state, one end of the propping part forming the first radius breaks away from the holding rod when the second clamp is in the releasing state, and one end of the propping part forming the second radius is close to the holding rod.

3. The clamp adjustment mechanism of claim 1, wherein: the swing arm is provided with a screw hole in a penetrating manner along the tangential direction of the fourth pivot part and is connected with an adjusting piece, the adjusting piece is inserted into the screw hole in a threaded locking manner, and one end of the adjusting piece abuts against the cam.

4. A clamp adjustment mechanism as claimed in claim 3, wherein: one end of the adjusting piece opposite to the cam is provided with a screw head, the adjusting piece is sleeved with a spring, one end of the spring is propped against the swing arm, and the other end of the spring is propped against the screw head.

5. The clamp adjustment mechanism of claim 1, wherein: the first clamp comprises an elastic piece, the elastic piece is sleeved on the holding rod and is positioned on one side of the movable piece opposite to the first clamping jaw, one end of the elastic piece abuts against the movable piece, and the other end of the elastic piece abuts against the first grab handle.

6. The clamp adjustment mechanism of claim 1, wherein: the first grab handle is fixedly provided with a fixed ring, a stop seat and a stop sleeve, the fixed ring is provided with a fixed groove in a penetrating way, one end of the holding rod opposite to the first clamping jaw is inserted into the fixed groove and abuts against the stop seat, the stop sleeve is provided with a stop groove, one end of the holding rod adjacent to the first clamping jaw is inserted into the stop groove, and the second clamp holder can swing and displace in the stop groove when being switched between the clamping state and the releasing state.

7. The clamp adjustment mechanism of claim 6, wherein: when the second clamp holder is switched between the clamping state and the releasing state, the pulling rod swings in the limiting groove to enable the base line to swing, and the angle range of the base line swing is larger than 0 degree and smaller than 7 degrees.

8. The clamp adjustment mechanism of claim 1, wherein: when the second clamp is in the clamping state, the friction hole is adjacent to one end of the first clamp jaw and adjacent to the inner periphery of one side of the first grab handle, the friction hole is opposite to one end of the first clamp jaw and opposite to the inner periphery of one side of the first grab handle, the friction hole is adjacent to one end of the first clamp jaw and opposite to the inner periphery of one side of the first grab handle, and does not contact the holding rod, and the friction hole is opposite to one end of the first clamp jaw and adjacent to the inner periphery of one side of the first grab handle, and does not contact the holding rod.

9. The clamp adjustment mechanism of claim 8, wherein: the section of the holding rod along the radial direction of the base line is hexagonal.

10. The clamp adjustment mechanism of claim 9, wherein: the outer periphery of the check rod along the radial direction of the base line is provided with a first friction surface adjacent to one side of the first grab handle, the outer periphery of the check rod along the radial direction of the base line is opposite to one side of the first grab handle and is provided with two second friction surfaces which are not adjacent to each other, the first friction surface and the two second friction surfaces respectively extend along the direction parallel to the axial direction of the base line, when the second clamp is in the clamping state, the friction hole is adjacent to one end of the first clamp jaw and is adjacent to the inner periphery of one side of the first grab handle and contacts the first friction surface, the friction hole is opposite to one end of the first clamp jaw and is opposite to the inner periphery of one side of the first grab handle and does not contact the two second friction surfaces, and the friction hole is opposite to one end of the first clamp jaw and is adjacent to the inner periphery of one side of the first grab handle and does not contact the first friction surface.

Images