CN212251640U

CN212251640U - Quick-insertion type pneumatic pipe joint

Info

Publication number: CN212251640U
Application number: CN202020731158.7U
Authority: CN
Inventors: 张武章
Original assignee: Ningbo Pote Pneumatic Components Co ltd
Current assignee: Ningbo Pote Pneumatic Components Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-29
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a formula pneumatic tube connects soon, including the hollow joint body, its characterized in that: the one end of the connector body is by being formed with the pipe fitting patchhole, sealed hole and shutoff hole, be provided with the sealing washer in the sealed hole, bottom in the shutoff hole is provided with the clamping ring, be provided with the sleeve in the shutoff hole, spacing connection between sleeve lateral wall and the shutoff downthehole wall, be provided with the locating part that is convenient for the pipe fitting to insert and restrict the pipe fitting axial simultaneously and withdraw from in the sleeve inboard, be provided with in the sleeve inboard and be used for withdrawing the pipe kit, it slides and sets up between sleeve inside wall and pipe fitting lateral wall to withdraw the pipe kit, it has one and is used for relieving the locating part to the spacing awl head of pressing down of pipe fitting to withdraw from the pipe kit, the stopping step has been seted up on telescopic inside wall, the head and the locating part contact. The utility model provides a quick-insertion type pneumatic pipe joint directly adopts the plug-in type to connect, need not that other instruments are supplementary, connects fast, efficient.

Description

Quick-insertion type pneumatic pipe joint

Technical Field

The utility model relates to a coupling field especially relates to a formula pneumatic tube connects inserts soon.

Background

The pipe joint is a connecting tool between a pipeline and a connecting point between an element and the pipeline, and can be disassembled and assembled. Common pipe joints can be generally divided into hard pipe joints and hose joints. If the connection mode of the pipe joint and the pipeline is divided, the hard pipe joint has three types of flaring type, clamping sleeve type and welding type, and the hose joint is mainly a fastening type hose joint. The pipeline is connected with the pipe joint mainly in a threaded mode, so that other tools are needed to be matched with each other in an auxiliary mode to complete connection, and connection efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to prior art's current situation, provide a formula pneumatic pipe joint inserts soon, directly adopt plug-in type to connect, need not that other instruments are supplementary, connect fast, efficient.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a quick-insert pneumatic pipe joint, includes hollow joint body, its characterized in that: the one end of the connector body is formed with in proper order from inside to outside and is used for pipe fitting male pipe fitting patchhole, seal hole and shutoff hole, be provided with the sealing washer in the seal hole, bottom in the shutoff hole is provided with the clamping ring that is used for compressing tightly the sealing washer, be provided with in the shutoff hole and be used for the sleeve that offsets with the clamping ring, spacing connection between sleeve lateral wall and the shutoff downthehole wall, be provided with the locating part that is convenient for the pipe fitting to insert and restrict the pipe fitting axial and withdraw from simultaneously in the sleeve inboard, be provided with in the sleeve inboard and be used for withdrawing the pipe kit, it slides and sets up between sleeve inside wall and pipe fitting lateral wall to withdraw the pipe kit, it has one and is used for relieving the spacing awl head of pressing of locating part to the pipe fitting to withdraw from the pipe kit, the stopping step has been seted up on.

As the improvement, the constant head tank has been seted up on the sleeve inside wall, the periphery wall of locating part is spacing between the lateral wall of clamping ring and the tank bottom of sleeve constant head tank, after the sleeve was installed in the shutoff hole, when the sleeve compressed tightly the clamping ring, formed between the tank bottom of sleeve constant head tank and the lateral wall of clamping ring and carried out spacing space that compresses tightly to the locating part periphery wall.

And the pipe fitting is further improved, the limiting part is a hollow annular spring piece, the annular spring piece is inclined inwards, and after the pipe fitting is inserted into the annular spring piece, the pipe fitting cannot be directly pulled out again under the limiting action of the annular spring piece.

And the limiting part is an elastic clamping ring which is provided with a plurality of clamping blades, and after the pipe fitting is inserted into the elastic clamping ring, each clamping blade has elasticity and inclines inwards, so that the outer wall of the pipe fitting is clamped, and the pipe fitting cannot be directly pulled out.

And the sleeve is arranged in the blocking hole, the outer side wall of the sleeve is provided with a clamping groove, the clamping protrusion is used for limiting in the clamping groove, and after the sleeve is arranged in place, the clamping protrusion on the outer wall of the sleeve is limited in the clamping groove of the blocking hole, so that the sleeve cannot exit again.

Improve again, spacing connection does between sleeve lateral wall and the shutoff downthehole wall, is provided with the internal thread on the shutoff downthehole wall, is provided with the external screw thread on telescopic lateral wall, and the sleeve is screwed on the shutoff downthehole wall, screws the sleeve after the shutoff downthehole wall, and sleeve outer end and clamping ring offset, and the sleeve also can't directly be extracted from the shutoff hole.

Compared with the prior art, the utility model has the advantages of: when the pipe joint is assembled, the sealing ring is firstly arranged in the sealing hole of the joint body, then the pressing ring is arranged at the hole bottom of the plugging hole, the pressing ring is contacted with the sealing ring, then the limiting piece is put into the plugging hole, the sleeve is limited and installed in the plugging hole, after the sleeve is installed, the sleeve can not be withdrawn directly, finally the tube withdrawing sleeve is inserted into the sleeve, the back of the pressing conical head of the tube withdrawing sleeve is abutted against the backstop step, when the pipe fitting needs to be installed, the pipe fitting is only required to be directly inserted into the pipe fitting insertion hole, the pipe fitting is limited by the limiting part, the pipe fitting cannot be directly pulled out again, the quick installation of the pipe fitting is realized, and the pipe fitting has the characteristic of high installation efficiency, when the pipe fitting is required to be pulled out again, the pipe withdrawing sleeve needs to be pressed firstly, so that the conical head on the pipe withdrawing sleeve pushes and presses the limiting part, the limiting part is contacted with the limiting effect of the limiting part on the pipe fitting, and the pipe fitting can be pulled out again.

Drawings

Fig. 1 is a schematic structural view of a quick-insertion pneumatic pipe joint in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a limiting member in an embodiment of the present invention;

fig. 3 is another schematic structural diagram of the position limiting member in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in figures 1 to 3, the embodiment of the utility model discloses a fast-insertion pneumatic pipe joint, which comprises a hollow joint body 1, a pipe fitting insertion hole, a sealing hole and a plugging hole for inserting a pipe fitting 8 are sequentially formed at one end of the joint body 1 from inside to outside, a sealing ring 2 is arranged in the sealing hole, a pressing ring 3 for pressing the sealing ring 2 is arranged at the bottom of the plugging hole, a sleeve 6 for abutting against the pressing ring 3 is arranged in the plugging hole, the outer side wall of the sleeve 6 is in spacing connection with the inner wall of the plugging hole, a limiting piece which is convenient for inserting the pipe fitting 8 and simultaneously limits the pipe fitting 8 to axially withdraw is arranged at the inner side of the sleeve 6, a pipe withdrawing sleeve piece 4 is arranged at the inner side of the sleeve 6, the pipe withdrawing sleeve piece 4 is arranged between the inner side wall of the sleeve 6 and the outer side wall of the pipe fitting 8 in a sliding manner, the pipe, the inner side wall of the sleeve 6 is provided with a stopping step, the head of the pressing conical head 41 is contacted with the limiting part, and the back of the pressing conical head 41 is abutted against the stopping step.

In addition, the locating groove has been seted up on the 6 inside walls of sleeve, and the periphery wall of locating part is spacing between the lateral wall of clamping ring 3 and the tank bottom of 6 locating grooves of sleeve, and after sleeve 6 installed in the shutoff hole, when sleeve 6 compressed tightly clamping ring 3, it carries out spacing space that compresses tightly to the locating part periphery wall to form between the tank bottom of 6 locating grooves of sleeve and the lateral wall of clamping ring 3.

In addition, in the present embodiment, the structure of the limiting member has two structures, the first structure is that the limiting member is a hollow ring spring 5, the ring spring 5 is inclined inward, after the pipe 8 is inserted into the ring spring 5, the pipe 8 cannot be directly pulled out again due to the limiting action of the ring spring 5, as shown in fig. 2; secondly, the limiting member is an elastic collar 7, the elastic collar 7 has a plurality of clamping edges 71, after the pipe 8 is inserted into the elastic collar 7, each clamping edge 71 has elasticity and is inclined inward, and has a clamping effect on the outer wall of the pipe 8, so that the pipe 8 cannot be directly pulled out, as shown in fig. 3

Finally, in this embodiment, the limiting connection between the outer side wall of the sleeve 6 and the inner wall of the plugging hole also has two structures, the first structure is that a clamping groove 11 is formed on the inner wall of the plugging hole, a clamping protrusion 61 for limiting in the clamping groove 11 is formed on the outer side wall of the sleeve 6, and after the sleeve 6 is installed in place, the clamping protrusion 61 on the outer wall of the sleeve 6 is limited in the clamping groove 11 of the plugging hole, so that the sleeve 6 cannot exit again; the second kind is provided with the internal thread on the shutoff downthehole wall, is provided with the external screw thread on the lateral wall of sleeve 6, and sleeve 6 fits soon on the shutoff downthehole wall, screws sleeve 6 after the shutoff downthehole wall, and 6 outer ends of sleeve and clamping ring 3 offset, and sleeve 6 also can't directly extract from the shutoff hole.

When the pipe joint is assembled, the sealing ring 2 is firstly installed in the sealing hole of the joint body 1, then the pressing ring 3 is installed at the hole bottom of the plugging hole, the pressing ring 3 is contacted with the sealing ring 2, then the limiting part is placed in the plugging hole, then the sleeve 6 is limited and installed in the plugging hole, after the sleeve 6 is installed, the sleeve 6 cannot be directly withdrawn, finally the pipe withdrawing sleeve 4 is inserted into the sleeve 6, the back of the pressing conical head 41 of the pipe withdrawing sleeve 4 abuts against the stopping step, when the pipe 8 is required to be installed, the pipe 8 only needs to be directly inserted into the pipe 8 inserting hole, the pipe 8 is limited by the limiting part, the pipe 8 cannot be directly withdrawn again, the quick installation of the pipe 8 is realized, the pipe joint has the characteristic of high installation efficiency, when the pipe 8 needs to be withdrawn again, the pipe withdrawing sleeve 4 needs to be firstly pressed, so that the pressing conical head 41 on the pipe withdrawing, the contact limiting part can pull out the pipe fitting 8 again under the limiting action of the pipe fitting 8.

Claims

1. The utility model provides a quick-insert pneumatic pipe joint, includes hollow joint body (1), its characterized in that: one end of the joint body (1) is sequentially provided with a pipe fitting inserting hole, a sealing hole and a plugging hole for inserting a pipe fitting (8), a sealing ring (2) is arranged in the sealing hole, a pressing ring (3) for pressing the sealing ring (2) is arranged at the bottom of the plugging hole, a sleeve (6) which is used for abutting against the pressing ring (3) is arranged in the plugging hole, the outer side wall of the sleeve (6) is in limited connection with the inner wall of the plugging hole, a limiting part which is convenient for the pipe fitting (8) to be inserted and simultaneously limits the pipe fitting (8) to axially withdraw is arranged on the inner side of the sleeve (6), a pipe withdrawing sleeve (4) is arranged on the inner side wall of the sleeve (6) in a sliding manner and is arranged between the inner side wall of the sleeve (6) and the outer side wall of the pipe fitting (8), the pipe withdrawing sleeve (4) is provided with a pressing conical head (, the inner side wall of the sleeve (6) is provided with a stopping step, the head of the pressing conical head (41) is in contact with the limiting part, and the back of the pressing conical head (41) abuts against the stopping step.

2. The quick-connect pneumatic tube coupling of claim 1, wherein: the locating groove has been seted up on sleeve (6) inside wall, the periphery wall of locating part is spacing between the lateral wall of clamping ring (3) and the tank bottom of sleeve (6) locating groove.

3. The quick-connect pneumatic tube coupling of claim 1, wherein: the limiting piece is a hollow annular spring piece (5).

4. The quick-connect pneumatic tube coupling of claim 1, wherein: the limiting piece is an elastic clamping ring (7), and the elastic clamping ring (7) is provided with a plurality of clamping edges (71).

5. The quick-connect pneumatic tube coupling of claim 4, wherein: the outer side wall of the sleeve (6) is in limited connection with the inner wall of the plugging hole, a clamping groove (11) is formed in the inner wall of the plugging hole, and a clamping protrusion (61) used for limiting in the clamping groove (11) is formed in the outer side wall of the sleeve (6).

6. The quick-connect pneumatic tube coupling of claim 1, wherein: the outer side wall of the sleeve (6) is connected with the inner wall of the plugging hole in a limiting manner, an internal thread is arranged on the inner wall of the plugging hole, an external thread is arranged on the outer side wall of the sleeve (6), and the sleeve (6) is screwed on the inner wall of the plugging hole.