CN219666379U

CN219666379U - Pipe joint buckling clamp

Info

Publication number: CN219666379U
Application number: CN202321032849.8U
Authority: CN
Inventors: 毛福财; 张健
Original assignee: Taizhou Aidi Xishengda Tube Co ltd
Current assignee: Taizhou Aidi Xishengda Tube Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-09-12
Anticipated expiration: 2033-05-04

Abstract

The utility model provides a pipe joint buckling clamp, and belongs to the technical field of machinery. It has solved the problem that current coupling withholds anchor clamps yields low. The pipe joint buckling clamp comprises a sliding sleeve, wherein a mounting seat is arranged in the sliding sleeve, a plurality of sliding blocks are radially arranged at the outer end of the mounting seat in a penetrating manner, buckling parts communicated to clamping holes are arranged at the inner ends of the sliding blocks, an elastic mechanism is arranged between the mounting seat and each sliding block, the elastic mechanism provides elasticity to enable the outer ends of the sliding blocks to be kept protruding out of the outer wall of the mounting seat, a radial limiting part for the sliding blocks to abut against after the sliding blocks radially move outwards is arranged on the mounting seat, the outer end face of each sliding block and the sliding sleeve are in conical surface fit, a limiting hole is formed in the mounting seat, a limiting rod is connected in the limiting hole in a sliding manner, a limiting shoulder is arranged on the limiting rod, a spring is arranged in the mounting seat, and a supporting part for supporting the limiting shoulder is also arranged on the mounting seat. The utility model can improve the yield.

Description

Pipe joint buckling clamp

Technical Field

The utility model belongs to the technical field of machinery, and relates to a clamp, in particular to a pipe joint buckling clamp.

Background

The pipe joint is widely applied as a connecting end of a hose, and is generally processed through a buckling clamp at present so as to improve the production efficiency.

For example, chinese patent literature discloses a hose assembly crimping apparatus [ application number: 201320025693.0; authorized bulletin number: CN203062194U ], it includes frame and pneumatic cylinder, the pneumatic cylinder is fixed in the frame, it still includes pull rod and reaming awl, be connected with the drive plate in the drive shaft of pneumatic cylinder, be provided with the anchor clamps that are used for fixed core on the drive plate, the front end of core is fixed on the anchor clamps, the center of drive plate is provided with first through-hole, the center of anchor clamps is provided with the second through-hole, first through-hole, second through-hole and core three are in same axis, be provided with the fixed plate in the frame, the one end of pull rod is fixed on the fixed plate, the other end of pull rod passes first through-hole respectively, the second through-hole, reaming awl is fixed on the other end of pull rod, reaming awl is located the core rear end, when using, the drive plate drives anchor clamps and core and removes towards reaming awl direction together, reaming awl extrusion core passes through the centre bore.

The buckling equipment of the hose assembly adopts the reaming cone to enlarge the inner holes of the middle section and the rear end of the core, so that the hose assembly is more compact in structure, but the inner pipe is locked by inwards buckling the buckling piece of the existing pipe joint through the buckling piece of the shell, the buckling equipment cannot be applied, the existing buckling clamp cannot limit the pipe joint, workers are required to operate with experience, and the yield is not ideal.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a pipe joint buckling clamp capable of improving the yield.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a pipe joint withholds anchor clamps, includes the sliding sleeve that is the tube-shape, the sliding sleeve in be equipped with the mount pad rather than coaxial setting, the outer end center of mount pad have the clamping hole of adaptation in the pipe joint, a serial communication port, the outer end of mount pad radially wear to be equipped with a plurality of slider, the inner of each slider all has the withhold portion that communicates to the clamping hole, mount pad and each slider between all be equipped with elastic mechanism, elastic mechanism provide the elasticity and make the outer end of slider keep protruding in the trend of mount pad outer wall, the mount pad on be equipped with and supply the radial spacing portion of each slider conflict after each slider radially outwards moving, the outer terminal surface and the sliding sleeve of each slider are conical surface cooperation, the mount pad in be equipped with the spacing hole, sliding connection has the spacing fender shoulder of axis translation back perpendicular to clamping hole axis in the spacing pole have the round radial evagination and stretch to the clamping hole in, the mount pad in be equipped with the spring that acts on the spacing pole so that the spacing pole keeps to the clamping hole side displacement, the mount pad still be equipped with and supply the abutment shoulder to lean on.

In the pipe joint buckling clamp, the buckling part is a rod-shaped thimble, the thimble is inserted into the inner end of the sliding block, and the top of the sliding block is in threaded connection with a screw for compressing the thimble.

In the pipe joint buckling clamp, the radial limiting part is an annular limiting ring, the limiting ring is fixedly connected to the outer end face of the mounting seat through screws, and each sliding block is provided with a protruding part protruding outwards in the axial direction and used for abutting against the inner ring of the limiting ring.

In the pipe joint buckling clamp, the abutting part is a side edge of one of the sliding blocks, and the sliding block is provided with a yielding groove which is yielding to the limiting stop shoulder.

In the pipe joint buckling clamp, the installation seat is in threaded connection with the inner hexagon screw, one end of the spring is abutted against the inner hexagon screw, and the other end of the spring is abutted against the limiting rod.

In the pipe joint buckling clamp, the elastic mechanism comprises a pressure spring, the bottom of the sliding block is connected with the cylindrical pin in an interference fit manner, the mounting seat axially penetrates through the supporting sleeve, one end of the pressure spring abuts against the outer wall of the supporting sleeve, and the other end of the pressure spring abuts against the cylindrical pin.

Compared with the prior art, the pipe joint buckling clamp limits the pipe joint through the limiting stop shoulder, ensures buckling stability, and has high processing efficiency, good product consistency and high yield.

Drawings

Fig. 1 is a structural cross-sectional view of the pipe joint crimping jig.

Fig. 2 is a cross-sectional view of the structure of section A-A in fig. 1.

Fig. 3 is a schematic view showing the use state of the spring and the stop lever in the pipe joint buckling clamp.

In the figure, 1, a sliding sleeve; 2. a mounting base; 3. a clamping hole; 4. a slide block; 41. a boss; 5. a limiting hole; 6. a limit rod; 7. limiting stop shoulders; 8. a spring; 9. an abutting portion; 10. a thimble; 11. a limiting ring; 12. a relief groove; 13. an inner hexagon screw; 14. a pressure spring; 15. a cylindrical pin; 16. and a supporting sleeve.

Description of the embodiments

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the pipe joint buckling clamp comprises a cylindrical sliding sleeve 1, an installation seat 2 coaxially arranged in the sliding sleeve 1 is arranged in the sliding sleeve, a clamping hole 3 adapted to a pipe joint is formed in the center of the outer end of the installation seat 2, a plurality of sliding blocks 4 radially penetrate through the outer end of the installation seat 2, and the sliding blocks 4 in the embodiment are four in number and uniformly distributed circumferentially. The inner end of each sliding block 4 is provided with a buckling part communicated with the clamping hole 3, an elastic mechanism is arranged between the mounting seat 2 and each sliding block 4, the elastic mechanism provides elasticity to enable the outer end of each sliding block 4 to keep protruding out of the outer wall of the mounting seat 2, the mounting seat 2 is provided with a radial limiting part for the sliding blocks 4 to collide after the sliding blocks 4 move radially outwards, the outer end face of each sliding block 4 and the sliding sleeve 1 are in conical surface fit, the mounting seat 2 is provided with a limiting hole 5, the limiting hole 5 is slidably connected with a limiting rod 6 which is perpendicular to the axis of the clamping hole 3 after the axis is translated, the limiting rod 6 is provided with a circle of limiting stop shoulder 7 which radially protrudes outwards and extends into the clamping hole 3, the mounting seat 2 is provided with a spring 8 which acts on the limiting rod 6 to enable the limiting rod 6 to keep moving towards the side of the clamping hole 3, and the mounting seat 2 is also provided with a supporting part 9 for the limiting stop shoulder 7 to support. In this embodiment, the limiting hole 5 is a circular hole with a diameter larger than the outer diameter of the limiting rod 6, and the limiting hole 5 may be a kidney-shaped hole adapted to the limiting rod 6 during actual manufacturing.

The pipe joint buckling clamp comprises a sliding sleeve 1, a mounting seat 2 and a rack, wherein the sliding sleeve 1 is used for being connected with a piston rod of a hydraulic cylinder; during the use, sliding sleeve 1 is driven the indent by the piston rod of pneumatic cylinder in order to keep away from each slider 4, elastic mechanism provides elasticity and makes the outer end of slider 4 keep protruding in the trend of mount pad 2 outer wall, afterwards insert centre gripping hole 3 with the coupling, afterwards use spacing fender shoulder 7 department as steering direction, rotate the coupling, the outer wall of coupling is contradicted spacing fender shoulder 7 and overcome spring 8's elasticity, make spacing fender shoulder 7 and gag lever post 6 slide in the spacing groove, until the withhold notch that coupling outer wall has is located spacing fender shoulder 7 department, spring 8's elasticity makes spacing fender shoulder 7 conflict in the withhold groove of coupling this moment, the coupling is spacing, afterwards, the piston rod of pneumatic cylinder drives sliding sleeve 1 outside and moves, the conical surface cooperation makes sliding sleeve 1 radially inwards shift each slider 4, withhold the department of pressing part is acted on the coupling and withhold the processing, after the completion withhold, the piston rod of pneumatic cylinder drives sliding sleeve 1 again and contracts in order to keep away from each slider 4, elastic mechanism makes the coupling that slider 4 radially outwards moves withhold, take off the coupling that spring 8 makes gag lever post 6 and spacing fender shoulder 7 reset, the coupling is equipped with again, the coupling is waited for the withhold, the processing efficiency of coupling is high.

The pipe joint buckling clamp limits the pipe joint through the limiting stop shoulder 7, so that buckling stability is guaranteed, the consistency of products is good, and the yield is high.

Further, the buckling part is a rod-shaped thimble 10, the thimble 10 is inserted into the inner end of the sliding block 4, the top of the sliding block 4 is in threaded connection with a screw for pressing the thimble 10, so that the thimble 10 is convenient to manufacture, and the thimble 10 can be detached and replaced, so that the buckling effect can be ensured. The radial limiting part is an annular limiting ring 11, the limiting ring 11 is fixedly connected to the outer end face of the mounting seat 2 through screws, and each sliding block 4 is provided with a protruding part 41 which protrudes outwards axially and is used for abutting against the inner ring of the limiting ring 11. Therefore, the structure is compact, the installation is convenient, the displacement precision of each sliding block 4 can be ensured after the position of the limiting ring 11 is determined, and when the sliding block is used, the elastic mechanism provides elastic force to enable the protruding part 41 of each sliding block 4 to abut against the inner ring of the limiting ring 11 after the sliding block 4 moves outwards in the radial direction, so that the sliding block is prevented from being separated from the mounting seat 2.

The abutting part 9 is one side edge of the sliding block 4, and the sliding block 4 is provided with the yielding groove 12 which is yielding to the limiting stop shoulder 7, so that the structure is compact, the manufacturing is convenient, the yielding groove 12 is prevented from interfering with the limiting stop shoulder 7, and the limiting stop shoulder 7 is smooth in displacement. The mount pad 2 threaded connection has hexagon socket head cap screw 13, and the one end of spring 8 is contradicted in hexagon socket head cap screw 13, and the other end of spring 8 is contradicted in gag lever post 6, and the elasticity of spring 8 can be adjusted by hexagon socket head cap screw 13 like this, avoids spacing fender shoulder 7 to scratch damage pipe joint outer wall.

The elastic mechanism comprises a pressure spring 14, a cylindrical pin 15 is inserted at the bottom of the sliding block 4 in an interference fit manner, a supporting sleeve 16 is axially arranged on the mounting seat 2 in a penetrating mode, one end of the pressure spring 14 abuts against the outer wall of the supporting sleeve 16, and the other end of the pressure spring 14 abuts against the cylindrical pin 15. The structure is simple, the elastic force of the pressure spring 14 enables the sliding block 4 to keep moving radially outwards, and the outer end of the sliding block 4 keeps protruding out of the outer wall of the mounting seat 2.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The pipe joint buckling clamp comprises a cylindrical sliding sleeve (1), wherein an installation seat (2) coaxially arranged with the sliding sleeve is arranged in the sliding sleeve (1), a clamping hole (3) adapted to a pipe joint is formed in the center of the outer end of the installation seat (2), the pipe joint buckling clamp is characterized in that a plurality of sliding blocks (4) radially penetrate through the outer end of the installation seat (2), buckling parts communicated with the clamping hole (3) are arranged at the inner ends of the sliding blocks (4), an elastic mechanism is arranged between the installation seat (2) and each sliding block (4), the elastic mechanism provides elastic force to enable the outer end of the sliding block (4) to keep protruding out of the outer wall of the mounting seat (2), the mounting seat (2) is provided with a radial limiting part for the sliding blocks (4) to collide after the sliding blocks (4) move radially outwards, the outer end face of the sliding blocks (4) and the sliding sleeve (1) are in conical surface fit, the mounting seat (2) is internally provided with a limiting hole (5), the limiting hole (5) is internally and slidably connected with a limiting rod (6) with an axis which is parallel to the axis of the clamping hole (3), the limiting rod (6) is provided with a circle of limiting stop shoulder (7) which radially protrudes outwards and extends into the clamping hole (3), the mounting seat (2) is provided with a spring (8) which acts on the limiting rod (6) to enable the limiting rod (6) to keep a trend of lateral displacement towards the clamping hole (3), and the mounting seat (2) is also provided with a propping part (9) for propping the limiting stop shoulder (7).

2. The pipe joint buckling clamp according to claim 1, wherein the buckling part is a rod-shaped thimble (10), the thimble (10) is inserted into the inner end of the sliding block (4), and a screw for pressing the thimble (10) is connected to the top of the sliding block (4) in a threaded manner.

3. The pipe joint buckling clamp according to claim 2, wherein the radial limiting part is an annular limiting ring (11), the limiting ring (11) is fixedly connected to the outer end face of the mounting seat (2) through screws, and each sliding block (4) is provided with a protruding part (41) protruding outwards in the axial direction and used for abutting against the inner ring of the limiting ring (11).

4. A pipe joint crimping tool according to claim 3, wherein the abutment (9) is a side edge of one of the sliders (4) and the slider (4) has a recess (12) for receiving the stop shoulder (7).

5. The pipe joint buckling clamp according to claim 4, wherein the installation seat (2) is in threaded connection with an inner hexagonal screw (13), one end of the spring (8) is abutted against the inner hexagonal screw (13), and the other end of the spring (8) is abutted against the limiting rod (6).

6. A pipe joint buckling clamp according to any one of claims 1-5, wherein the elastic mechanism comprises a pressure spring (14), a cylindrical pin (15) is inserted in interference fit at the bottom of the sliding block (4), a supporting sleeve (16) is axially arranged in the mounting seat (2) in a penetrating mode, one end of the pressure spring (14) is abutted to the outer wall of the supporting sleeve (16), and the other end of the pressure spring (14) is abutted to the cylindrical pin (15).