CN214889476U

CN214889476U - Anti-disassembly pipe joint

Info

Publication number: CN214889476U
Application number: CN202120622795.5U
Authority: CN
Inventors: 徐敬和
Original assignee: Zhejiang Feiting Machinery Co ltd
Current assignee: Zhejiang Feiting Machinery Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-26
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to the technical field of pipe joints, in particular to an anti-disassembly pipe joint, which comprises a connecting block, a threaded sleeve and a fixed sleeve, wherein the threaded sleeve is arranged at the left end and the right end of the connecting block, the threaded sleeve is fixedly connected with the connecting block, a threaded groove is arranged in the threaded sleeve, a threaded pipe is spirally connected in the threaded groove, the threaded pipe is arranged at one end of the connecting pipe close to the connecting block, the utility model can rotate and clamp a locking block in the fixed groove by arranging a cambered surface and a first spring to lock and prevent disassembly, and can disassemble a device by a special tool by arranging a through hole groove, has simple structure and strong practicability, can move a pushing ring to drive the connecting rod to move by a second spring, so that the connecting rod drives a sealing ring to be tightly connected with the fixed sleeve ring, thereby reducing the clearance between the sealing sleeve ring and the fixed sleeve, the tightness of the device connection is increased, and the water leakage phenomenon is avoided.

Description

Anti-disassembly pipe joint

Technical Field

The utility model relates to a coupling technical field specifically is an anti-disassembly coupling.

Background

The hydraulic term is a part for connecting pipelines in a hydraulic system or installing the pipelines on hydraulic elements, which is a general name of a connecting piece capable of being assembled and disassembled in a fluid passage and mainly comprises a welding type, a clamping sleeve type, a buckling and flaring type, wherein the materials are commonly stainless steel and carbon steel metric, American and British thread standards, and the application of the anti-disassembly pipe joint is increasingly wide along with the development of the society.

Most pipe joints on the market do not have the function of anti-disassembly, so that the private desire of part of illegal people expands, the valuable resources of the country, the group and other people are attempted to be occupied for no reason, most of the part of people can quit the threaded connection when the threads of the end of the pipeline rotate reversely, the method for separating the pipeline from the metering gauge is realized, the pipe joints connected to the metering gauge are disassembled maliciously, and the using effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-disassembly coupling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-disassembly pipe joint comprises a connecting block, a threaded sleeve and a fixed sleeve, wherein the threaded sleeve is arranged at the left end and the right end of the connecting block and fixedly connected with the connecting block, a threaded groove is formed in the threaded sleeve, a threaded pipe is spirally connected in the threaded groove and arranged at one end, close to the connecting block, of the connecting pipe, the connecting pipe is fixedly connected with the threaded pipe, the threaded sleeve is sleeved in the fixed sleeve, the fixed sleeve is slidably connected with the threaded sleeve, the fixed sleeve is arranged at one end, close to the connecting block, of the connecting pipe, the threaded pipe is arranged in the fixed sleeve, a sliding groove is formed in one end, close to the connecting block, of the upper side of the threaded sleeve, a locking block is slidably connected in the sliding groove, the upper end of the locking block is clamped in the fixed groove, the fixed groove is formed in the upper side, close to the connecting block, of the fixed sleeve, both ends all are provided with the sealing sleeve ring about the connecting block, the sealing sleeve ring is connected with connecting block fixed connection, the sealing sleeve ring sets up in fixed sleeve is close to connecting block one end, the sealing sleeve ring and fixed sleeve sliding connection.

Preferably, the bottom end of the locking block is provided with a first spring, the first spring is fixedly connected with the locking block, and the first spring is fixedly connected in the chute.

Preferably, the upper end of the fixing groove is provided with a through hole groove, the through hole groove is formed in the upper side of one end, close to the connecting block, of the fixing sleeve, and the through hole groove is communicated with the fixing groove.

Preferably, the upper end of the locking block is provided with an arc surface, and the arc surface on the locking block is arranged at one end far away from the connecting block.

Preferably, the seal cover ring is internally provided with a connecting groove, the connecting groove is internally and slidably connected with a push ring, one end, away from the connecting block, of the push ring is provided with a connecting rod, the connecting rod is fixedly connected with the push ring, the connecting rod is provided with a plurality of connecting rods, the connecting rod penetrates through the seal cover ring and is far away from one end of the connecting block, and the connecting rod is slidably connected with the seal cover ring.

Preferably, the sealing ring is connected with a sealing ring in a sliding manner, the end, far away from the connecting block, of the sealing ring sleeve ring is connected with a sealing ring in a sliding manner, the sealing ring is connected into the end, close to the connecting block, of the fixing sleeve, the left end of the sealing ring is fixedly connected with a connecting rod, a second spring is sleeved on the connecting rod and is fixedly connected in a connecting groove, and the second spring is fixedly connected to a pushing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the dead piece of lock that sets up, cambered surface, through-hole groove and first spring, through setting up cambered surface and first spring, can make the dead piece of lock rotate the joint in the fixed slot, lock the anti-disassembly to through setting up the through-hole groove, can dismantle the device through special instrument, simple structure practicality is strong.

2. The utility model discloses in, through the sealed lantern ring, the fixed lantern ring, second spring, connecting rod and the promotion ring that set up, through the second spring, can make the promotion ring move the connecting rod and remove, make the connecting rod drive the sealing washer and carry out zonulae occludens with the fixed lantern ring, and then reduce the clearance of the sealed lantern ring and the fixed lantern ring, increase the leakproofness that the device is connected, avoid the phenomenon of leaking.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1-connecting pipe, 2-fixed sleeve, 3-connecting block, 4-threaded sleeve, 5-threaded groove, 6-threaded pipe, 7-through hole groove, 8-fixed groove, 9-cambered surface, 10-locking block, 11-first spring, 12-sliding groove, 13-pushing ring, 14-connecting groove, 15-sealing lantern ring, 16-sealing ring, 17-connecting rod and 18-second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

an anti-disassembly pipe joint comprises a connecting block 3, a threaded sleeve 4 and a fixed sleeve 2, wherein the threaded sleeve 4 is arranged at each of the left end and the right end of the connecting block 3, the threaded sleeve 4 is fixedly connected with the connecting block 3, a threaded groove 5 is formed in the threaded sleeve 4, a threaded pipe 6 is spirally connected in the threaded groove 5, the threaded pipe 6 is arranged at one end, close to the connecting block 3, of a connecting pipe 1, the connecting pipe 1 is fixedly connected with the threaded pipe 6, the threaded sleeve 4 is sleeved in the fixed sleeve 2, the fixed sleeve 2 is slidably connected with the threaded sleeve 4, the fixed sleeve 2 is arranged at one end, close to the connecting block 3, of the connecting pipe 1, the threaded pipe 6 is arranged in the fixed sleeve 2, a chute 12 starts to be arranged at one end, close to the connecting block 3, a locking block 10 is slidably connected in the chute 12, the upper end of the locking block 10 is clamped in a fixed groove 8, the fixed groove 8 is formed in the upper side, close to one end, close to the connecting block 3, of the fixed sleeve 2, both ends all are provided with the sealing sleeve ring 15 about connecting block 3, and sealing sleeve ring 15 and connecting block 3 fixed connection, sealing sleeve ring 15 set up in fixing sleeve 2 is close to connecting block 3 one end, sealing sleeve ring 15 and fixing sleeve 2 sliding connection.

The bottom end of the locking block 10 is provided with a first spring 11, the first spring 11 is fixedly connected with the locking block 10, the first spring 11 is fixedly connected in the chute 12, and the device can have the anti-disassembly function through the locking block 10; the upper end of the fixing groove 8 is provided with a through hole groove 7, the through hole groove 7 is formed in the upper side of one end, close to the connecting block 3, of the fixing sleeve 2, the through hole groove 7 is communicated with the fixing groove 8, and the device can be detached through a special tool through the through hole groove 7; the upper end of the locking block 10 is provided with an arc surface 9, the position of the arc surface 9 on the locking block 10 is arranged at one end far away from the connecting block 3, and the locking block 10 can automatically enter the sliding groove 12 when not reaching the fixed groove 8 through the arc surface 9; a connecting groove 14 is formed in the sealing sleeve ring 15, a pushing ring 13 is connected in the connecting groove 14 in a sliding mode, a connecting rod 17 is arranged at one end, away from the connecting block 3, of the pushing ring 13, the connecting rod 17 is fixedly connected with the pushing ring 13, a plurality of connecting rods 17 are arranged, the connecting rod 17 penetrates through the sealing sleeve ring 15 and is arranged in one end, away from the connecting block 3, of the sealing sleeve ring 15, the connecting rod 17 is connected with the sealing sleeve ring 15 in a sliding mode, and the sealing performance of the device can be improved through the sealing sleeve ring 15; sealing ring 15 is kept away from 3 one end sliding connection of connecting block and is had sealing washer 16, sealing washer 16 sealing connection is in fixed sleeve 2 is close to 3 one ends of connecting block, the 16 left end fixedly connected with connecting rod 17 of sealing washer, second spring 18 has been cup jointed on connecting

rod

17, 18 fixed connection of second spring are in

spread groove

14, 18 fixed connection of second spring are on propelling ring 13, through second spring 18, can reduce the distance between sealing washer 16 and the fixed sleeve 2, increase sealed effect.

The working process is as follows: the utility model discloses when using, insert threaded pipe 6 in threaded sleeve 4, make threaded pipe 6 pass through thread groove 5 and threaded sleeve 4 fixed, and in fixed, can make threaded sleeve 4 get into fixed sleeve 2, locking piece 10 in spout 12 can be because of the reason of cambered surface 9 this moment, get into in fixed slot 8, reach the fixed of device and connecting pipe 1 anti-disassembly, when needs separate device and connecting pipe 1, use special instrument to insert in through-hole groove 7, make locking piece 10 get into in spout 12, reverse rotation connecting block 3 again, just can separate device and connecting pipe 1 this moment, and when device and connecting pipe 1 are connected, make sealing washer 16 and the sealing sleeve ring 15 get into in fixed sleeve 2, push ring 13 can be because of the effect of second spring 18 this moment, promote sealing washer 16, increase device connection leakproofness. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-disassembly coupling, includes connecting block (3), threaded sleeve (4) and fixed sleeve (2), its characterized in that: the connecting block is characterized in that threaded sleeves (4) are arranged at the left end and the right end of the connecting block (3), the threaded sleeves (4) are fixedly connected with the connecting block (3), threaded grooves (5) are formed in the threaded sleeves (4), threaded pipes (6) are spirally connected in the threaded grooves (5), the threaded pipes (6) are arranged at one ends, close to the connecting block (3), of the connecting pipes (1), the connecting pipes (1) are fixedly connected with the threaded pipes (6), the threaded sleeves (4) are sleeved in the fixed sleeves (2), the fixed sleeves (2) are slidably connected with the threaded sleeves (4), the fixed sleeves (2) are arranged at one ends, close to the connecting block (3), of the connecting pipes (1), the threaded pipes (6) are arranged in the fixed sleeves (2), sliding grooves (12) begin to be arranged at one ends, close to the connecting block (3), of the upper sides of the threaded sleeves (4), sliding connection has the lock piece (10) of dying in spout (12), the joint is in fixed slot (8) on the lock piece (10) of dying, fixed slot (8) are seted up in fixed sleeve (2) are close to connecting block (3) one end upside, both ends all are provided with the sealed lantern ring (15) about connecting block (3), sealed lantern ring (15) and connecting block (3) fixed connection, sealed lantern ring (15) set up in fixed sleeve (2) are close to connecting block (3) one end, sealed lantern ring (15) and fixed sleeve (2) sliding connection.

2. The anti-disassembly pipe joint of claim 1, wherein: the bottom end of the locking block (10) is provided with a first spring (11), the first spring (11) is fixedly connected with the locking block (10), and the first spring (11) is fixedly connected in the sliding groove (12).

3. The anti-disassembly pipe joint of claim 1, wherein: the fixing device is characterized in that a through hole groove (7) is formed in the upper end of the fixing groove (8), the through hole groove (7) is formed in the upper side, close to the connecting block (3), of the fixing sleeve (2), and the through hole groove (7) is communicated with the fixing groove (8).

4. The anti-disassembly pipe joint of claim 1, wherein: the upper end of the locking block (10) is provided with an arc surface (9), and the arc surface (9) on the locking block (10) is arranged at one end far away from the connecting block (3).

5. The anti-disassembly pipe joint of claim 1, wherein: connecting groove (14) have been seted up in sealed lantern ring (15), sliding connection has propelling ring (13) in connecting groove (14), connecting block (3) one end is kept away from in propelling ring (13) is provided with connecting rod (17), connecting rod (17) and propelling ring (13) fixed connection, just connecting rod (17) are provided with a plurality ofly, connecting rod (17) pass in sealed lantern ring (15) keep away from connecting block (3) one end, connecting rod (17) and sealed lantern ring (15) sliding connection.

6. The anti-disassembly pipe joint of claim 1, wherein: sealing ring (15) are kept away from connecting block (3) one end sliding connection and are had sealing washer (16), sealing washer (16) sealing connection is in fixed sleeve (2) are close to connecting block (3) one end, sealing washer (16) left end fixedly connected with connecting rod (17), second spring (18) have been cup jointed on connecting rod (17), second spring (18) fixed connection is in spread groove (14), second spring (18) fixed connection is on pushing away movable ring (13).