CN210147873U

CN210147873U - Elastic clamp structure

Info

Publication number: CN210147873U
Application number: CN201920701216.9U
Authority: CN
Inventors: 陈瑛琼; 罗昌展; 高达勇
Original assignee: Foochow Fu Yao Mould Science And Technology Ltd
Current assignee: Foochow Fu Yao Mould Science And Technology Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-03-17
Anticipated expiration: 2029-05-15

Abstract

The utility model relates to an elasticity clamp structure, including the clamp body, the extension rod that the end rigid coupling that compresses tightly of clamp body has the level to set up, the one end of keeping away from the clamp body on the extension rod wears to be equipped with the support sleeve along vertical fixed, a pull rod is worn to be equipped with along vertical slip in the inside of support sleeve, the butt joint has along vertical flexible buffer spring between the lower extreme of pull rod and the support sleeve, and the bottom of pull rod is connected firmly has the pressure head, and the upper end of pull rod is connected firmly the spacer pin that the level set up, support sleeve's upper end opening lateral wall is equipped with so as to do benefit to the spacer pin and pass and stretch out support sleeve's notch along vertical slip. The utility model discloses it is rational in infrastructure, optimized the structure of pressure head for the elasticity of pressure head is steerable to the pressure of product, and convenient operation improves the availability factor.

Description

Elastic clamp structure

The technical field is as follows:

the utility model relates to an elasticity clamp structure.

Background art:

the quick clamp is a novel manual clamp industrial product capable of accurately positioning and quickly clamping, is a quick clamping and opening mechanism clamp, has the functions of accurate positioning, quick assembling and disassembling, self-locking clamping and the like, replaces an old fixing mode with the novel clamp, and has the characteristics of simple structure, simplicity and convenience in installation, and quickness in assembling and disassembling clamped workpieces.

However, the rubber pressure head of the existing quick clamp is large, and the rubber pressure head is easy to interfere with small parts to influence the use effect and even cannot be used; although the rubber pressure head has certain elasticity, the effect of the elasticity on product compression cannot be well controlled, and the product can be deformed or damaged due to excessive pressure.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that an elasticity clamp structure is provided, not only reasonable in design, convenient operation improves the availability factor moreover.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an elasticity clamp structure, includes the clamp body, the extension rod that the end rigid coupling that compresses tightly of clamp body has the level to set up, the one end of keeping away from the clamp body on the extension rod wears to be equipped with the support sleeve along vertical fixed, the pull rod is worn to be equipped with along vertical slip in the inside of support sleeve, the butt has along vertical flexible buffer spring between the lower extreme of pull rod and the support sleeve, and the bottom of pull rod rigid coupling has the pressure head, and the spacer pin that the level set up is connected firmly in the upper end of pull rod, support sleeve's upper end opening lateral wall is equipped with and stretches out support sleeve's notch in order to do benefit to the spacer pin to pass and follow vertical slip.

Furthermore, an annular concave part is arranged on the inner wall of the lower end of the support sleeve, and an annular flange which is in sliding fit with the annular concave part is arranged on the outer wall of the lower end of the pull rod; the buffer spring is sleeved on the outer side of the lower end of the pull rod, the upper end of the buffer spring is abutted against the top surface of the annular concave part, and the lower end of the buffer spring is abutted against the bottom surface of the annular flange.

Further, the outer diameter of the pressure head is smaller than the inner diameter of the annular concave part.

Furthermore, a connecting screw hole is formed in the middle of the bottom surface of the pull rod, and the upper end of the pressure head is in threaded connection with the connecting screw hole.

Furthermore, a ball head handle for pulling the pull rod to slide along the support sleeve is screwed at the upper end of the pull rod.

Furthermore, a movable cover plate is arranged above the supporting sleeve, and the movable cover plate is sleeved on the outer side of the pull rod in a sliding mode.

Further, the notch is U-shaped.

Furthermore, the one end of keeping away from the clamp body on the extension rod is equipped with the rectangular hole that is favorable to supporting the sleeve pipe along vertical running through, the outer wall of support sleeve pipe is equipped with the external screw thread, and it is fixed with the external screw thread cooperation locking via the lock nut that is located both sides about the rectangular hole between support sleeve pipe and the extension rod.

Compared with the prior art, the utility model discloses following effect has: the utility model discloses it is rational in infrastructure, optimized the structure of pressure head for the elasticity of pressure head is steerable to the pressure of product, and convenient operation improves the availability factor.

Description of the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic front view of the embodiment of the present invention;

FIG. 3 is a schematic view of the pull rod in the uppermost position;

FIG. 4 is a schematic perspective view of a support sleeve;

FIG. 5 is a schematic perspective view of the tie rod;

fig. 6 is an enlarged partial view of a slot in the support sleeve.

In the figure:

1-a clamp body; 2-a clamp seat plate; 3-a pressure lever; 4-oscillating bar; 5-self-locking connecting rod; 6-an extension rod; 7-supporting the casing; 8-a pull rod; 9-a buffer spring; 10-pressure head; 11-a limit pin; 12-notches; 13-an annular recess; 14-an annular flange; 15-ball head handle; 16-a removable cover plate; 17-bayonet; 18-elongated holes; 19-locking the nut.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, the utility model relates to an elastic clamp structure, which comprises a clamp body 1 composed of a clamp seat plate 2, a pressure lever 3, a swing rod 4 and a self-locking connecting rod 5, wherein one end of the pressure lever 3 is fixedly connected with an extension rod 6 horizontally arranged, the other end of the pressure lever 3 is hinged with the clamp seat plate 2, one end of the swing rod 4 is hinged with the clamp seat plate 2, the other end of the swing rod 4 is fixedly connected with a handle, and two end parts of the self-locking connecting rod 5 are respectively hinged with the swing rod 4 and the pressure lever 3;

keep away from the one end of clamp body 4 on the extension rod 6 and wear to be equipped with the cross-section along vertical fixed for circular shape support sleeve 7, support sleeve 7's inside is worn to be equipped with a pull rod 8 along vertical slip, the butt joint has along vertical flexible buffer spring 9 between pull rod 8's the lower extreme and the support sleeve 7, and pull rod 8's bottom has linked firmly pressure head 10, and pull rod 8's upper end has linked firmly the spacer pin 11 that the level set up, support sleeve 7's upper end opening lateral wall is equipped with and is favorable to spacer pin 11 to pass and follow vertical slip and stretch out support sleeve 7's notch 12.

In this embodiment, the inner wall of the lower end of the support sleeve 7 is provided with an annular concave portion 13, and the outer wall of the lower end of the pull rod 8 is provided with an annular flange 14 which is in sliding fit with the annular concave portion 13; the buffer spring 9 is sleeved on the outer side of the lower end of the pull rod 8, the upper end of the buffer spring 9 is abutted against the top surface of the annular concave part 13, and the lower end of the buffer spring is abutted against the bottom surface of the annular flange 14. Through setting up buffer spring, when upwards pulling the pull rod, the annular flange of pull rod lower extreme compresses buffer spring, and the elasticity that buffer spring compression produced can cushion behind the follow-up pressure head pushes down.

In this embodiment, the outer diameter of the pressing head 10 is smaller than the inner diameter of the annular recess 13, so as to be contracted into the support sleeve 7 under the driving of the pull rod 8, which can reduce the interference problem during the overturning process of the pressing clamp.

In this embodiment, a connection screw hole is formed in the middle of the bottom surface of the pull rod 8, and the upper end of the pressure head 10 is screwed with the connection screw hole.

In this embodiment, a ball handle 15 for pulling the pull rod 8 to slide along the support sleeve 7 is screwed to the upper end of the pull rod 8.

In this embodiment, a movable cover plate 16 is disposed above the supporting sleeve 7, and the movable cover plate 16 is slidably sleeved on the outer side of the pull rod 8.

In this embodiment, the notch 12 is U-shaped. Preferably, as shown in fig. 6, the side wall of the notch 12 is uniformly provided with a plurality of bayonets 17 for being clamped by the limit pins 11 at vertical intervals, and the compression degree of the buffer spring can be adjusted by clamping the limit pins with bayonets of different height positions, so that the control of the elasticity of the buffer spring is realized, and the problem of small elasticity adjustable range in the existing rapid pressing pliers is solved.

In this embodiment, the one end of keeping away from clamp body 1 on the extension rod 6 is equipped with the rectangular hole 18 that is favorable to support sleeve 4 along vertical through, the outer wall of support sleeve 7 is equipped with the external screw thread, and it is fixed with the external screw thread cooperation locking between support sleeve 7 and the extension rod 6 via the lock nut 9 that is located both sides about rectangular hole 18.

In the embodiment, when the pressing pliers are used, the ball head handle 15 is pulled upwards until the limiting pin 11 is positioned on the top surface of the support sleeve 7 before the pressing pliers are pressed down, and then the ball head handle 15 is rotated, so that the limiting pin 11 is staggered with the notch 12 (or the limiting pin is clamped into one of the bayonets 17); after the pressing pliers are pressed down, the ball head handle 15 is manually controlled to rotate, so that the limiting pin 11 is aligned to the notch 12 again, and then the pull rod 8 moves downwards under the elastic force of the buffer spring 9, so that the downward pressure degree of the pressing head 10 can be ensured, and the interference problem in the overturning process of the pressing pliers can be reduced.

The utility model discloses the size of well pressure head is littleer, conveniently uses on little product, and control pressure head that simultaneously can be better is to the pressure size of product, convenient operation, raises the efficiency.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides an elasticity clamp structure, includes the clamp body, its characterized in that: the utility model discloses a clamp, including clamp body, support sleeve, pull rod, buffer spring, pressure head, stop pin, support sleeve's upper end opening lateral wall, the extension rod that the level set up is connected firmly to the end that compresses tightly of clamp body, the one end of keeping away from the clamp body on the extension rod wears to be equipped with support sleeve along vertical fixed, support sleeve's inside is worn to be equipped with a pull rod along vertical slip, the butt joint has along vertical flexible buffer spring between the lower extreme of pull rod and the support sleeve, and the bottom of pull rod is connected firmly the pressure head, and the upper end of pull rod is connected firmly the spacer pin that the level set up, support sleeve's upper end.

2. A resilient clamp structure according to claim 1 wherein: the inner wall of the lower end of the support sleeve is provided with an annular concave part, and the outer wall of the lower end of the pull rod is provided with an annular flange which is in sliding fit with the annular concave part; the buffer spring is sleeved on the outer side of the lower end of the pull rod, the upper end of the buffer spring is abutted against the top surface of the annular concave part, and the lower end of the buffer spring is abutted against the bottom surface of the annular flange.

3. A resilient clamp structure according to claim 2 wherein: the outer diameter of the pressure head is smaller than the inner diameter of the annular concave part.

4. A resilient clamp structure according to claim 1 wherein: and a connecting screw hole is formed in the middle of the bottom surface of the pull rod, and the upper end of the pressure head is in threaded connection with the connecting screw hole.

5. A resilient clamp structure according to claim 1 wherein: the upper end of the pull rod is screwed with a ball head handle used for pulling the pull rod to slide along the support sleeve.

6. A resilient clamp structure according to claim 1 wherein: a movable cover plate is arranged above the supporting sleeve, and the movable cover plate is sleeved on the outer side of the pull rod in a sliding mode.

7. A resilient clamp structure according to claim 1 wherein: the notch is U-shaped.

8. A resilient clamp structure according to claim 1 wherein: the one end of keeping away from the clamp body on the extension rod is equipped with the rectangular hole that is favorable to supporting the sleeve pipe along vertical running through, the outer wall of support sleeve pipe is equipped with the external screw thread, and it is fixed with the external screw thread cooperation locking via the lock nut that is located both sides about the rectangular hole between support sleeve pipe and the extension rod.