Connecting structure of transmitter in purging system

Abstract

The utility model relates to the technical field of connecting tools, and particularly discloses a connecting structure of a transmitter in a purging system. The connecting piece comprises a first connecting pipe and a second connecting pipe which are connected with two pipe bodies to be connected respectively, the sides, close to each other, of the first connecting pipe and the second connecting pipe are movably connected, a plurality of connecting pieces are arranged on the periphery of the first connecting pipe, a clamping groove is formed in the periphery of the second connecting pipe, and one end of each connecting piece is rotationally connected with the periphery of the first connecting pipe. The other end of the connecting piece is connected with the clamping groove in a clamped mode, an elastic piece is arranged at the end, close to the second connecting pipe, of the first connecting pipe, a groove matched with the elastic piece is formed in the second connecting pipe, the first connecting pipe is connected with the second connecting pipe through matching of the connecting piece and the clamping groove, and the first clamping ring and the second clamping ring are connected in a sleeved mode, so that the installation stability of the transmitter is improved. And when the connecting piece is separated from the clamping groove, the elastic piece can assist the first clamping ring to be separated from the second clamping groove, so that the disassembly and assembly efficiency of the transmitter is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting frock technical field, especially, it relates to a kind of connection structure of transmitter in purging system. BACKGROUND

[0002] In purging system, transmitter plays an important role, its main function is measurement and conversion pressure signal into electric signal, for control system use, pressure transmitter usually needs external pipeline when using, the connection between pipeline needs to ensure stability and sealing.

[0003] Traditional pressure transmitter external pipeline is prone to fall off phenomenon, thereby causing the medium leakage in the pressure transmitter inside, security is insufficient, and current link structure is usually integrally formed, after damage, it is not convenient to repair. INVENTION CONTENTS

[0004] In order to overcome the deficiencies of the prior art, the utility model aims at providing a kind of connection structure of transmitter in purging system to improve the dismounting efficiency of transmitter.

[0005] The technical scheme adopted by the utility model is:

[0006] A kind of connection structure of transmitter in purging system, including the first connecting pipe and the second connecting pipe connected with the two pipe bodies to be connected respectively, the passageway for the two pipe bodies to be communicated is set in the first connecting pipe and the second connecting pipe, the side of the first connecting pipe and the second connecting pipe being close to each other is movably connected, the periphery of the first connecting pipe is provided with multiple connecting pieces, the periphery of the second connecting pipe is provided with clamping groove, one end of the connecting piece is rotatably connected with the periphery of the first connecting pipe, the other end of the connecting piece is clamped with the clamping groove, the end of the first connecting pipe close to the second connecting pipe is provided with elastic piece, recess is set in the second connecting pipe and is matched with the elastic piece.

[0007] Optionally, the end of the first connecting pipe close to the second connecting pipe is provided with first snap ring, the end of the second connecting pipe close to the first connecting pipe is provided with second snap ring, the first snap ring is sleeved on the periphery of the second snap ring, the inner wall of the first snap ring and the outer wall of the second snap ring abut.

[0008] Optionally, the elastic piece is set at the end of the first snap ring away from the first connecting pipe, one end of the elastic piece is fixedly connected with the first snap ring, the other end of the elastic piece extends to the recess along the length direction of the first connecting pipe and abuts with the groove bottom, in initial state, the elastic piece is free state, when the first snap ring is sleeved on the second snap ring, the elastic piece is compression state.

[0009] Optionally, multiple elastic pieces are evenly spaced along the circumferential direction of the first snap ring.

[0010] Optionally, the inner wall of the first clamping ring is provided with a plurality of annular grooves, and a sealing ring is arranged in the annular grooves and abuts against the outer periphery of the second clamping ring.

[0011] Optionally, the plurality of connecting pieces are uniformly and spacedly arranged along the circumferential side of the first connecting pipe, and the connecting pieces are arranged in one-to-one correspondence with the clamping grooves.

[0012] Optionally, the outer side of the first connecting pipe is provided with two mounting seats, one end of the connecting piece close to the mounting seat is provided with a rotating shaft, one end of the rotating shaft penetrates the mounting seat and the connecting piece in sequence and is rotationally connected with the other mounting seat, and the mounting seat is fixedly connected with the connecting piece.

[0013] Optionally, a limiting groove is arranged on the side wall of the clamping groove away from the second connecting pipe, and a clamping block matched with the limiting groove is arranged on the connecting piece.

[0014] Optionally, the limiting groove is in the shape of a circular arc, and the center of the limiting groove is arranged on the side away from the second connecting pipe.

[0015] Optionally, the two ends of the first connecting pipe and the second connecting pipe away from each other are respectively threadedly connected with the two pipe bodies.

[0016] The pipe body on the transmitter can be connected with different second connecting pipes through the first connecting pipe, the first connecting pipe and the second connecting pipe are connected through the cooperation of the connecting piece and the clamping groove, the first clamping ring and the second clamping ring are sleeved to improve the stability of the transmitter installation, the elastic piece can be preliminarily positioned when the first connecting pipe and the second connecting pipe are connected, the elastic piece is in a compressed state when the first connecting pipe and the second connecting pipe are connected, and the elastic piece can assist the first clamping ring to separate from the second clamping groove when the connecting piece separates from the clamping groove, so that the transmitter is convenient to disassemble, and the disassembly efficiency of the transmitter is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of the overall structure of the utility model.

[0018] The correspondence between the numbers and names in the figure is as follows: 1, first connecting pipe; 2, second connecting pipe; 21, limiting groove; 3, connecting piece; 31, clamping block; 4, clamping groove; 5, elastic piece; 6, groove; 7, first clamping ring; 71, annular groove; 72, sealing ring; 8, second clamping ring; 9, mounting seat. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0020] Please refer to Figure 1 The present application provides a technical scheme:

[0021] A kind of connection structure of transmitter in purge system, including first connecting pipe 1 and second connecting pipe 2 respectively with the two pipe bodies to be connected, first connecting pipe 1 and second connecting pipe 2 are away from each other two ends and are respectively screwed with two pipe bodies, first connecting pipe 1 and second connecting pipe 2 are opened in and have two pipe bodies communication channel, first connecting pipe 1 and second connecting pipe 2 are close to one side of each other and are movably connected, first connecting pipe 1 is close to the end of second connecting pipe 2 and is fixedly connected with first clasp 7, second connecting pipe 2 is close to the end of first connecting pipe 1 and is fixedly connected with second clasp 8, first clasp 7 is sleeved on the outer periphery of second clasp 8, the inner wall of first clasp 7 and the outer wall of second clasp 8 abut, first clasp 7 and second clasp 8 are respectively communicated with the channel of first connecting pipe 1 and second connecting pipe 2, the inner wall of first clasp 7 is opened along the length direction of first connecting pipe 1 and has two annular grooves 71, annular groove 71 is clamped with sealing ring 72, sealing ring 72 and the outer periphery of second clasp 8 abut.

[0022] The outer periphery of first connecting pipe 1 is provided with two connecting pieces 3, two connecting pieces 3 are arranged at two ends in the diameter direction of first connecting pipe 1, the outer periphery of second connecting pipe 2 is opened and has clamping groove 4, connecting piece 3 and clamping groove 4 are one-to-one correspondingly arranged, one end of connecting piece 3 is rotatably connected with the outer periphery of first connecting pipe 1, the other end of connecting piece 3 is clamped with clamping groove 4, two mounting bases 9 are fixedly connected to the outer side of first connecting pipe 1, one end of connecting piece 3 close to mounting base 9 is provided with rotating shaft, one end of rotating shaft penetrates mounting base 9 and connecting piece 3 in sequence and is rotatably connected with the other mounting base 9, mounting base 9 is fixedly connected with connecting piece 3, limiting groove 21 is opened on the side wall of clamping groove 4 away from second connecting pipe 2, limiting groove 21 is arranged as circular arc shape, the center of limiting groove 21 is arranged on the side away from second connecting pipe 2, clamping block 31 matched with limiting groove 21 is fixedly connected on connecting piece 3, clamping block 31 is slidably connected with limiting groove 21.

[0023] The first clasp ring 7 is provided with three elastic members 5 away from one end of the first connecting pipe 1, and the second connecting pipe 2 is provided with grooves 6 adapted to the elastic members 5 on the side close to the first connecting pipe 1, the three elastic members 5 are evenly spaced along the circumferential direction of the first clasp ring 7, one end of the elastic member 5 is fixedly connected with the first clasp ring 7, and the other end of the elastic member 5 extends to the groove 6 along the length direction of the first connecting pipe 1 and abuts against the groove bottom of the groove 6, and in the embodiment, the elastic member 5 is a compression spring.

[0024] In the initial state, the elastic member 5 is in a free state, when the first clasp ring 7 is sleeved on the second clasp ring 8, the elastic member 5 extends into the groove 6, the connecting piece 3 is rotated towards the direction close to the first connecting pipe 1, the clamping block 31 is in sliding connection with the clamping groove 4 and then enters the limiting groove 21 to be clamped, and the elastic member 5 is in a compressed state, when it is needed to disassemble the transmitter, the connecting piece 3 is rotated towards the direction away from the first connecting pipe 1, the elastic member 5 gradually recovers from the compressed state to the free state, and the disassembly efficiency of the transmitter is improved.

[0025] Finally, it should be pointed out that: the above is only the preferred example of the utility model and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A connection structure of a transmitter in a purge system, characterized by, The utility model provides a connecting pipe for two pipes, which comprises a first connecting pipe (1) and a second connecting pipe (2) connected with two pipes to be connected respectively, channels for the communication of the two pipes are formed in the first connecting pipe (1) and the second connecting pipe (2), the first connecting pipe (1) and the second connecting pipe (2) are movably connected at one side close to each other, a plurality of connecting pieces (3) are arranged on the outer periphery of the first connecting pipe (1), a clamping groove (4) is formed on the outer periphery of the second connecting pipe (2), one end of the connecting piece (3) is rotatably connected with the outer periphery of the first connecting pipe (1), the other end of the connecting piece (3) is clamped with the clamping groove (4), an elastic piece (5) is arranged on the end of the first connecting pipe (1) close to the second connecting pipe (2), and a recess (6) matched with the elastic piece (5) is formed on the second connecting pipe (2).

2. The connection structure of a transmitter in a purge system according to claim 1, wherein A first clamping ring (7) is arranged on the end of the first connecting pipe (1) close to the second connecting pipe (2), a second clamping ring (8) is arranged on the end of the second connecting pipe (2) close to the first connecting pipe (1), the first clamping ring (7) is sleeved on the outer periphery of the second clamping ring (8), and the inner wall of the first clamping ring (7) abuts against the outer wall of the second clamping ring (8).

3. The connection structure of a transmitter in a purge system according to claim 2, wherein The elastic piece (5) is arranged on the end of the first clamping ring (7) away from the first connecting pipe (1), one end of the elastic piece (5) is fixedly connected with the first clamping ring (7), the other end of the elastic piece (5) extends to the recess (6) along the length direction of the first connecting pipe (1) and abuts against the groove bottom of the recess (6), in the initial state, the elastic piece (5) is in a free state, and when the first clamping ring (7) is sleeved on the second clamping ring (8), the elastic piece (5) is in a compressed state.

4. The connection structure of a transmitter in a purge system according to claim 2, wherein A plurality of elastic pieces (5) are uniformly and spacedly arranged along the circumferential direction of the first clamping ring (7).

5. The connection structure of a transmitter in a purge system according to claim 2, wherein A plurality of annular grooves (71) are formed in the inner wall of the first clamping ring (7), and a sealing ring (72) is arranged in each annular groove (71) and abuts against the outer periphery of the second clamping ring (8).

6. The connection structure of a transmitter in a purge system according to claim 1, wherein A plurality of connecting pieces (3) are uniformly and spacedly arranged along the circumferential side of the first connecting pipe (1), and each connecting piece (3) is correspondingly arranged with a clamping groove (4).

7. The connection structure of a transmitter in a purge system according to claim 1, wherein Two mounting seats (9) are arranged on the outer side of the first connecting pipe (1), a rotating shaft is arranged on the end of each connecting piece (3) close to the mounting seat (9), one end of the rotating shaft penetrates through one mounting seat (9) and the connecting piece (3) in sequence and is rotatably connected with the other mounting seat (9), and the mounting seat (9) is fixedly connected with the connecting piece (3).

8. The connection structure of a transmitter in a purge system according to claim 1, wherein A limiting groove (21) is formed in the side wall of the clamping groove (4) away from the second connecting pipe (2), and a clamping block (31) matched with the limiting groove (21) is arranged on the connecting piece (3).

9. The connection structure of a transmitter in a purge system according to claim 8, wherein The limiting groove (21) is in the shape of a circular arc, and the center of the limiting groove (21) is arranged on the side away from the second connecting pipe (2).

10. The connection structure of a transmitter in a purge system according to claim 1, wherein The two ends of the first connecting pipe (1) and the second connecting pipe (2) away from each other are threadedly connected with two pipes respectively.

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