TWI533979B - Clamp - Google Patents

Description

clamp

The present invention relates to a clamp, and more particularly to a clamp having an easily combined jaw adjustment structure.

Referring to FIG. 1, a conventional clamp 1 includes a fixed caliper handle 11, a movable caliper handle 12, a spring member 13, a nip adjustment unit 14, and a release member 15. The fixed jaw 11 includes a fixed jaw segment 111 and a fixed grip segment 112. The movable jaw 12 is pivotally connected to the fixed jaw 11 and includes a movable jaw section 121 and a movable grip section 122. The movable jaw section 121 is pivotally connected to the fixed jaw section 111. And the clamping jaw 10 can form a jaw 10 with a clamping angle θ. The opposite ends of the spring member 13 are respectively connected between the fixed clamping segment 112 and the two pivoting portions of the movable jaw segment 121 and the movable jaw segment 121. The clip adjusting unit 14 is disposed between the movable grip portion 122 and the fixed grip portion 112, and includes an upper screw member 141, a lower screw member 142, and an adjusting member 143. One end portion of the upper screw member 141 The movable grip portion 122 is disposed adjacent to the movable jaw portion 121, and one end portion of the lower screw member 142 is pivotally disposed at the fixed grip portion 112 away from the fixed jaw portion 111. The adjusting member 143 is disposed at The upper and lower screw members 141, 142 are connected to the upper and lower screw members 141, 142, and have a screwing device disposed through the upper and lower screw members 141, 142. Slot 144. The release member 15 is pivotally connected to the movable grip portion 122 and includes a biasing end portion 151 protruding from the movable grip portion 122 and an abutting portion 152 opposite to the biasing end portion 151.

When the movable grip portion 122 is pressed toward the fixed jaw 11 , the movable grip portion 122 simultaneously pulls the movable jaw portion 121 toward the fixed jaw portion 111 to be in a clamped state ( As shown in FIG. 1 , the clamping angle θ is formed, and the spring member 13 is also stretched to be in a state of being stored, and the abutting portion 152 of the releasing member 15 abuts against the outer circumferential surface of the adjusting member 143 . At this time, if the urging end portion 151 of the release member 15 is applied, as shown in FIG. 2, the urging portion 152 forms a fulcrum by the principle of the lever, and the movable grip portion 122 pivotally connected to the release member 15 is interlocked. The spring member 13 is stretched, and the original spring member 13 is contracted, and the movable jaw portion 121 is pulled away from the fixed jaw portion 111 to be in a non-clamping state.

Referring to FIG. 1 and FIG. 2, when the clamp 1 is in the clamped state or the non-clamped state, the upper and lower screw members 141 and 142 can be rotated by rotating the adjusting member 143 of the jaw adjusting unit 14. At the same time, the adjusting member 143 is screwed in or out. At this time, since the length of the jaw adjusting unit 14 is shortened or elongated, the movable jaw segment 121 is synchronously moved away from or close to the fixed jaw segment 111, thereby changing the The clamping angle θ of the clamp 11 in the clamped state.

Referring to FIG. 3, when the adjusting member 143 is rotated, the upper and lower screw members 141, 142 are screwed out of the adjusting member 143, and the user needs to align the upper and lower screw members 141, 142 with the adjusting member 143. The upper and lower screw members 141 and 142 are respectively pivotally connected to the movable grip portion 122 and the solid The upper and lower screw members 141, 142, 142, 142 and the adjusting member 143 are simultaneously arranged along the parallel and straight lines, and the upper and lower screw members 141, 142 need to simultaneously align the opposite openings of the screwing groove 144 of the adjusting member 143 to start rotating the adjusting member 143 to screw the upper and lower screw members 141 and 142 into the adjusting member 143 at the same time. In the screw groove 144, the adjustment function can be achieved while screwing in, but the practical operation has the disadvantage that the assembly is not easy.

Of course, the user can first align the adjusting member 143 with one of the upper and lower screw members 141, 142, and then perform the matching with the other, and finally rotate the adjusting member 143. The upper and lower screw members 141 and 142 are simultaneously screwed into the screw groove 144 of the adjusting member 143. This method is easy to assemble without the need for simultaneous alignment of the two, but it is necessary to complete the upper and lower steps in more steps. The screwing combination of the screw members 141 and 142 and the adjusting member 143 is important in that the screwing process has the disadvantage that the adjustment function cannot be synchronized.

In addition to this, the adjusting member 143 has a risk of being dropped and lost due to the rotation of the upper and lower screw members 141, 142.

Accordingly, it is an object of the present invention to provide a clamp having an easy-to-combine jaw adjustment structure that does not drop in operation to lose its group members.

Thus, the clamp of the present invention comprises a fixed caliper handle, a movable caliper handle, a return member, a nip adjustment unit, and a release member.

The fixed jaw handle includes a jaw segment and a grip segment.

The movable clamp handle is pivotally connected to the fixed clamp handle and includes a phase pivot And a movable gripping section, the movable jaw section is pivotally connected to the clamping section of the fixed jaw and can form a clamping angle of the jaw with the jaw section.

The opposite ends of the returning member are respectively connected between the gripping section of the fixed tong handle and the two pivoting ends of the movable jaw section of the movable tong handle.

The nip adjustment unit is disposed between the movable grip portion of the movable caliper handle and the grip portion of the fixed caliper handle, and includes an adapter, an adjusting member, and a screw member, one end of the adapter member An active grip portion pivotally disposed on the movable jaw is adjacent to the movable jaw portion, and one end of the screw member is pivoted at a grip portion of the fixed jaw to be away from the jaw portion, and one end of the adjusting member is The adapter is rotatably disposed at an end portion of the adapter that is pivotally connected to the movable grip portion of the movable caliper handle, and the other end portion is screwed to the screw member.

The release member is pivotally disposed in the movable grip portion of the movable caliper handle, and includes a urging end portion protruding from the movable grip portion and an urging portion opposite to the urging end portion.

The adjusting member rotates the screw member to screw in or out the adjusting member to adjust the movable grip portion of the movable grip handle and the movable jaw portion to adjust the size of the clip.

Preferably, the adapter is provided with an annular groove at an end thereof away from the pivotal portion thereof, and the adjusting member has an annular convex portion at the end portion and can be embedded in the annular groove, whereby the adjustment The piece is rotatably disposed on the adapter.

Preferably, the return member is a spring.

The effect of the invention is that the screw member and the adjusting member can be easily assembled by the structural design and the connecting relationship of the components of the nip adjusting unit, and at the same time, the size of the spigot can be adjusted. efficacy.

2‧‧‧Fixed handle

21‧‧‧Fixed clamp segment

22‧‧‧Fixed grip section

221‧‧‧ hook hole

3‧‧‧ Activity grip handle

31‧‧‧Active jaw segment

311‧‧‧ hook hole

32‧‧‧Active grip section

4‧‧‧Response

5‧‧‧Clamping adjustment unit

51‧‧‧Adapters

511‧‧‧ annular groove

52‧‧‧Adjustment

520‧‧‧Slots

521‧‧‧ annular bump

53‧‧‧ screw parts

6‧‧‧ release

61‧‧‧End of force

62‧‧‧Remove the Ministry

7‧‧‧ Sandwich

Θ‧‧‧ jaw angle

The other features and advantages of the present invention will be apparent from the detailed description of the preferred embodiments of the accompanying drawings, wherein: FIG. 1 is a schematic diagram illustrating a conventional clamp in a clamped state; FIG. 2 is a Schematic diagram showing the clamp in a non-clamped state; FIG. 3 is a schematic view showing an adjusting member of a jaw adjusting unit of the clamp rotated away from an upper and lower screw member; FIG. 4 is a schematic view showing the present A preferred embodiment of the invention is in a clamped state; FIG. 5 is a schematic view showing the preferred embodiment in a non-clamped state; and FIG. 6 is a schematic view showing a clip of the preferred embodiment An adjustment member of the port adjustment unit is rotated away from a screw member.

Referring to Figure 4, a preferred embodiment of the clamp of the present invention includes a fixed jaw 2, a movable jaw 3, a return member 4, a jaw adjustment unit 5, and a release member 6.

The fixed caliper handle 2 is L-shaped and includes a fixed jaw segment 21 and a fixed grip portion 22. The fixing grip portion 22 is provided with a hook hole 221 adjacent to the fixed jaw portion 21 .

The movable handle 3 is pivotally connected to the fixed handle 2 and includes A movable jaw segment 31 and a movable grip segment 32 are pivotally connected. The movable jaw segment 31 is pivotally connected to the fixed jaw segment 21 and can cooperate with the fixed jaw segment 21 to form a jaw 7 having a jaw angle θ. The movable jaw segment 31 is provided with a hook hole 311 between the two pivot joints.

The returning member 4 is a spring, and the opposite ends are respectively hooked on the hooking hole 221 of the fixed holding section 22 and the hooking hole 311 of the movable jaw section 31.

The nip adjustment unit 5 is pivotally disposed between the movable grip portion 32 and the fixed grip portion 22 and includes an adapter member 51, an adjusting member 52, and a screw member 53. One end of the adapter 51 is pivotally disposed adjacent to the movable jaw segment 31 and has an annular groove 511 away from the pivoting portion thereof. One end of the screw member 53 is pivoted at The holding portion 22 is away from the clamping portion 21, and the adjusting member 52 has an annular convex portion 521 which can be embedded in the annular groove 511 of the adapter 51, and is rotatably connected to the adapter 52. The adjusting member further has a screw groove 520 disposed at an end opposite to the annular protrusion portion 521 and screwed to the screw member 53.

The release member 6 is pivotally disposed in the movable grip portion 32 and includes a biasing end portion 61 protruding from the movable grip portion 32 and an abutting portion 62 opposite to the biasing end portion 61.

When the movable grip portion 32 is pressed toward the fixed caliper handle 2, the movable grip portion 32 simultaneously pulls the movable jaw portion 31 toward the fixed jaw portion 21 to be in a clamped state ( As shown in FIG. 4, and forming the clamping angle θ, the returning member 4 is also stretched to be in a state of storage, and the urging portion 62 of the releasing member 6 is an adjusting member abutting against the nip adjusting unit 5. Outside 52 Weekly. At this time, if the force applying end portion 61 of the releasing member 6 is applied, as shown in FIG. 5, the urging portion 62 forms a fulcrum by the principle of the lever, and the movable grip portion 32 pivotally connected to the releasing member 6 is interlocked. The force is opened, and the returning member 4, which is originally in the state of being stored, is contracted, and the movable jaw segment 31 is pulled away from the fixed jaw segment 21 to be in a non-clamping state.

Referring to FIG. 4 and FIG. 5, when the clamp is in the clamped state or the non-clamped state, the screw member 53 can be screwed in or out by rotating the adjusting member 52 of the jaw adjusting unit 5. Adjusting member 52, at this time, because the length of the jaw adjusting unit 5 is shortened or elongated, the movable jaw segment 31 is synchronously moved away from or close to the fixed jaw segment 21, thereby changing the clamping jaw in the clamping state. The angle of the jaws θ.

Referring to FIG. 6 , when the user aligns the screw member 53 with the adjusting member 52 , the user only needs to align the screw member 53 with the opening of the screw groove 520 of the adjusting member 52 . When the adjusting member 52 is rotated to screw the screw member 53 into the screw groove 520 of the adjusting member 52, the combination of the group members of the jaw adjusting unit 5 can be easily completed, and the adjusting member 52 is connected. There is no risk of losing the adapter 51 without losing.

It is worth mentioning that the adapter 51 is designed in comparison with the conventional upper screw member 141 (shown in FIG. 1 ), and the adapter 51 only needs to use a shorter blank material to perform the annular recess. The groove 511 can be processed, and the upper rod 141 requires a long blank material for large-area thread turning, which not only reduces the material cost, but also reduces the turning volume required for the blank material, and reduces the non- The necessary materials are wasted.

In summary, the clamp of the present invention can be used to hold the tube. In addition to the function of the material, the structural design and the connection relationship of the components of the jaw adjusting unit 5 enable the user to easily combine the screw member 53 and the adjusting member 52 by both hands, and the adjustment can be achieved. The effect of the jaws 7 is indeed the object of the present invention.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

2‧‧‧Fixed handle

21‧‧‧Fixed clamp segment

22‧‧‧Fixed grip section

221‧‧‧ hook hole

3‧‧‧ Activity grip handle

31‧‧‧Active jaw segment

311‧‧‧ hook hole

32‧‧‧Active grip section

4‧‧‧Response

5‧‧‧Clamping adjustment unit

51‧‧‧Adapters

511‧‧‧ annular groove

52‧‧‧Adjustment

520‧‧‧Slots

521‧‧‧ annular bump

53‧‧‧ screw parts

6‧‧‧ release

61‧‧‧End of force

62‧‧‧Remove the Ministry

7‧‧‧ Sandwich

Θ‧‧‧ jaw angle

Claims (2)

A clamp comprising: a fixed jaw handle comprising a fixed jaw segment and a fixed grip segment; a movable jaw handle pivotally coupled to the fixed jaw handle and including a movable jaw segment pivotally connected thereto a movable gripping section pivotally connected to the fixed jaw segment and forming a jaw with the fixed jaw segment; a returning member, the opposite ends are respectively connected to the fixed gripping section adjacent to the fixed jaw a clamping portion and a second pivoting portion of the movable jaw portion; a jaw adjusting unit disposed between the movable holding portion and the fixed holding portion, and comprising an adapter, an adjusting member, and a a screw member, one end of the adapter is pivotally disposed adjacent to the movable clamping segment, and an end of the adapter away from the pivotal portion is provided with an annular groove, and one end of the screw member The adjusting member has a ring-shaped lug portion at an end portion and can be embedded in the annular groove. The adjusting member is rotatably disposed on the fixing clamp portion. The adapter, and the other end of the adjusting member is screwed to the screw member; and a releasing member is pivoted The movable grip portion includes a urging end portion protruding from the movable grip portion and an urging portion opposite to the urging end portion; wherein the adjusting member is rotated to screw the screw member into or out The adjusting member adjusts the size of the clamping mouth by pulling the movable grip portion and the movable jaw segment. The clamp of claim 1, wherein the return member is a spring.