CN214093485U

CN214093485U - Pipeline joint for testing pipeline air tightness

Info

Publication number: CN214093485U
Application number: CN202023335296.2U
Authority: CN
Inventors: 胡申伟; 邱胜; 黎进; 罗浩
Original assignee: Chongqing Keysmile Biotechnology Co ltd
Current assignee: Chongqing Keysmile Biotechnology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-31
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a pipeline joint for testing pipeline gas tightness, close joint upper cover and joint lower cover at the joint seat both ends including the joint seat and lid respectively, the joint seat forms the pipeline that link up with joint upper cover and joint lower cover and inserts the passageway, the one end that the joint seat was kept away from to the joint lower cover is provided with the atmospheric pressure input and connects, and the gas transmission passageway and the pipeline that this atmospheric pressure input connects insert the passageway intercommunication. The pipeline joint for testing the air tightness of the pipeline adopting the technical scheme has the advantages of being novel in structure, simple and reliable, easy to achieve, capable of achieving reliable connection of the pipeline and the pipeline joint by inserting the pipeline to be tested into the pipeline insertion channel, extremely simple and convenient in connection mode, and capable of meeting the requirement of quick connection, thereby being capable of greatly improving the checking efficiency of pipeline air leakage nodes and being particularly suitable for air tightness detection of air paths and liquid paths in an immunoassay analyzer.

Description

Pipeline joint for testing pipeline air tightness

Technical Field

The utility model relates to a piecing devices technical field, concretely relates to pipeline joint for testing pipeline gas tightness.

Background

Many mechanical equipment are provided with fluid pipelines or gas pipelines, and the air tightness of the pipelines needs to be detected before leaving a factory so as to avoid the occurrence of liquid leakage or gas leakage and ensure that the mechanical equipment can stably and reliably run.

The fluid pipeline or the gas pipeline usually consists of a plurality of short pipelines, and when the air tightness test is carried out, the interfaces of the pipelines at all the sections need to be plugged by utilizing a quick connection plug, and then the ventilation and pressure maintaining are carried out. When the pipeline is in an air leakage condition, the pipeline sections need to be checked, one end of the pipeline is connected with the quick connection plug, the other end of the pipeline is connected with the gas transmission equipment, then pressure maintaining is carried out, the pipeline leakage is checked one by one to lock the pipeline leakage, and the pipeline leakage is maintained or replaced.

At present, due to the fact that equipment for inputting gas and a pipeline cannot be connected quickly, when the pipeline is checked and leaked, a large amount of time is needed for connecting the pipeline and the gas input equipment, checking efficiency is extremely low, and the problem of solving the problem becomes urgent.

SUMMERY OF THE UTILITY MODEL

For solving above technical problem, the utility model provides a pipeline joint for testing pipeline gas tightness.

The technical scheme is as follows:

the utility model provides a pipeline connects for testing pipeline gas tightness, its main points lie in, include the joint seat and cover respectively and close joint upper cover and joint lower cover at the joint seat both ends, the joint seat with connect the upper cover and connect the lower cover and form the pipeline that link up and insert the passageway, the one end that the joint seat was kept away from to the joint lower cover is provided with atmospheric pressure input joint, the defeated gas channel and the pipeline that this atmospheric pressure input connected insert the passageway intercommunication.

Structure more than adopting, the outer end that will wait to detect the pipeline inserts the reliable connection that just can realize pipeline and pipeline joint in the pipeline inserted channel, and the connected mode is very simple and convenient to can promote the investigation efficiency of pipeline gas leakage node by a wide margin.

Preferably, the method comprises the following steps: the joint upper cover is close to the one end protrusion of joint seat and is formed with the upper cover boss, the joint seat is close to the sunken upper step heavy groove that is formed with the upper cover boss that suits of one end of joint upper cover, the upper cover boss inserts in the heavy groove of upper step, the joint lower cover is close to the one end protrusion of joint seat and is formed with the lower cover boss, the joint seat is close to the sunken lower step heavy groove that is formed with the lower cover boss that suits of one end of joint lower cover, the lower cover boss inserts in the heavy groove of lower step, the pipeline inserts the central point that the passageway passed upper cover boss and lower cover boss and puts. By adopting the structure, the reliability of the joint upper cover and the joint lower cover on the joint seat can be effectively improved.

Preferably, the method comprises the following steps: the tank bottom of going up the step heavy groove is provided with the upper seal circle, the upper cover boss compresses tightly the upper seal circle after inserting the heavy groove of last step, the tank bottom of the heavy groove of lower step is provided with the lower seal circle, compress tightly the lower seal circle after the lower cover boss inserts the heavy groove of lower step. Structure more than adopting not only can promote and wait to detect the reliability that pipeline insert pipe inserted the passageway, avoids taking place the slippage, can effectively promote the leakproofness moreover, guarantees the accuracy that airtight detected, can also promote the reliability that joint upper cover and joint lower cover were installed on the joint seat simultaneously.

Preferably, the method comprises the following steps: have two joint seat bolt via holes that are located the heavy groove both sides of step respectively on the joint seat, cover on the joint and have two upper cover bolt via holes with joint seat bolt via hole one-to-one, cover under the joint and have two lower cover bolt via holes with joint seat bolt via hole one-to-one, two last fastening bolts pass respectively behind the upper cover bolt via hole that corresponds and the joint seat bolt via hole screw-thread fit that corresponds to will connect the upper cover locking on the joint seat, two lower fastening bolts pass respectively behind the lower cover bolt via hole that corresponds and the joint seat bolt via hole screw-thread fit that corresponds, in order to lock the joint lower cover on the joint seat. By adopting the structure, the assembly is simple, and the reliability of the joint upper cover and the joint lower cover on the joint seat can be greatly improved.

Preferably, the method comprises the following steps: the joint base bolt through hole is a threaded hole, and the upper cover bolt through hole and the lower cover bolt through hole are through holes. By adopting the structure, the reliability of bolt installation can be ensured, and meanwhile, the problem of unnecessary interference can not occur.

Preferably, the method comprises the following steps: the upper cover boss and the lower cover boss are both of cylindrical structures. By adopting the structure, the assembling difficulty can be reduced, and the tightness degree of the joint of the boss and the sink groove can be improved.

Preferably, the method comprises the following steps: the connecting end of the air pressure input joint is of a stud structure, the lower joint cover is provided with an inner thread groove in thread fit with the connecting end, and the bottom of the inner thread groove is communicated with the pipeline insertion channel. By adopting the structure, the connection is simple and reliable, and the assembly is easy.

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

the pipeline joint for testing the air tightness of the pipeline adopting the technical scheme has the advantages of being novel in structure, simple and reliable, easy to achieve, capable of achieving reliable connection of the pipeline and the pipeline joint by inserting the outer end of the pipeline to be detected into the pipeline insertion channel, extremely simple and convenient in connection mode, and capable of meeting the requirement of quick connection, thereby being capable of greatly improving the checking efficiency of pipeline air leakage nodes, and being particularly suitable for air tightness detection of air paths and liquid paths in an immunoassay analyzer.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an exploded view of the present invention.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1-3, a pipeline joint for testing the air tightness of a pipeline mainly comprises a joint seat 4, and a joint upper cover 2 and a joint lower cover 5 respectively covered at two ends of the joint seat 4, wherein the joint seat 4, the joint upper cover 2 and the joint lower cover 5 form a through pipeline insertion channel a, one end of the joint lower cover 5 far away from the joint seat 4 is provided with an air pressure input joint 6, and an air delivery channel 6a of the air pressure input joint 6 is communicated with the pipeline insertion channel a. Wait to detect pipeline 1 and can insert in the pipeline inserts passageway A very conveniently, realize high-speed joint to, wait to detect pipeline 1 and insert behind the pipeline inserts passageway A, atmospheric pressure input joint 6 can be to waiting to detect pipeline 1 and carry gas, increase and wait to detect the atmospheric pressure of pipeline 1.

Referring to fig. 2 and 3, an upper cover boss 2a is convexly formed at one end of the joint upper cover 2 close to the joint seat 4, an upper step sinking groove 4a corresponding to the upper cover boss 2a is concavely formed at one end of the joint seat 4 close to the joint upper cover 2, the upper cover boss 2a is inserted into the upper step sinking groove 4a, a lower cover boss 5a is convexly formed at one end of the joint lower cover 5 close to the joint seat 4, a lower step sinking groove 4b corresponding to the lower cover boss 5a is concavely formed at one end of the joint seat 4 close to the joint lower cover 5, the lower cover boss 5a is inserted into the lower step sinking groove 4b, and the pipeline insertion channel a passes through the center positions of the upper cover boss 2a and the lower cover boss 5 a. Moreover, in order to facilitate the insertion of the upper cover boss 2a into the upper step sunken groove 4a and the insertion of the lower cover boss 5a into the lower step sunken groove 4b, the outer edges of the insertion ends of the upper cover boss 2a and the lower cover boss 5a are both in a conical surface structure.

Referring to fig. 2, an upper seal ring 3 is disposed at the bottom of the upper step sink 4a, the upper cover boss 2a is inserted into the upper step sink 4a to press the upper seal ring 3, a lower seal ring 7 is disposed at the bottom of the lower step sink 4b, and the lower cover boss 5a is inserted into the lower step sink 4b to press the lower seal ring 7. The upper cover boss 2a and the lower cover boss 5a are both cylindrical structures, and similarly, the upper step sink groove 4a and the lower step sink groove 4b are also cylindrical structures. It should be pointed out that, the outer terminal surface of upper seal circle 3 and upper cover boss 2a and the tank bottom of upper step heavy groove 4a are interference fit, and lower seal circle 7 is interference fit with the outer terminal surface of lower cover boss 5a and the tank bottom of lower step heavy groove 4b, and when waiting to detect pipeline 1 and insert in the pipeline insertion passageway A, it is interference fit to detect pipeline 1 and upper seal circle 3 and lower seal circle 7 to guarantee holistic gas tightness.

The joint seat 4 is provided with two joint seat bolt through holes 4c which are respectively positioned at two sides of the upper step sunk groove 4a, the joint upper cover 2 is provided with two upper cover bolt through holes 2b which are in one-to-one correspondence with the joint seat bolt through holes 4c, the joint lower cover 5 is provided with two lower cover bolt through holes 5b which are in one-to-one correspondence with the joint seat bolt through holes 4c, two upper fastening bolts 8a respectively penetrate through the corresponding upper cover bolt through holes 2b and then are in threaded fit with the corresponding joint seat bolt through holes 4c so as to lock the joint upper cover 2 on the joint seat 4, and two lower fastening bolts 8b respectively penetrate through the corresponding lower cover bolt through holes 5b and then are in threaded fit with the corresponding joint seat bolt through holes 4c so as to lock the joint lower cover 5 on the joint seat 4, so that the reliability of the joint upper cover 2 and the joint lower cover 5 which are arranged on the joint seat 4 can be greatly improved.

Further, joint seat bolt via hole 4c is the screw hole, and upper cover bolt via hole 2b and lower cover bolt via hole 5b are the through-hole, can guarantee the reliability of fastening bolt 8 installation, can not take place unnecessary interference problem simultaneously.

Referring to fig. 1 to 3, the connection end 6c of the pneumatic input joint 6 is a stud structure, the joint lower cover 5 has an internal thread groove 5c in threaded engagement with the connection end 6c, and the bottom of the internal thread groove 5c is communicated with the pipeline insertion passage a. The pneumatic input joint 6 is provided with a single ring of stopper seal convex ring 6b, and when the connection end 6c is completely screwed into the internal thread groove 5c, the stopper seal convex ring 6b abuts against the end surface of the joint lower cover 5. The gas pipe for inputting gas can be directly connected to the air pressure input connector 6, and is very convenient. Meanwhile, when the sealing cover is sleeved on the air pressure input connector 6, the pipeline connector can be sealed, so that the pipeline connector plays a role of a plug.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. The utility model provides a pipeline connects for testing pipeline gas tightness which characterized in that: including joint seat (4) and cover respectively and close joint upper cover (2) and joint lower cover (5) at joint seat (4) both ends, joint seat (4) and joint upper cover (2) and joint lower cover (5) are formed with pipeline that link up and insert passageway (A), the one end that joint seat (4) were kept away from in joint lower cover (5) is provided with atmospheric pressure input joint (6), and gas transmission passageway (6a) and pipeline that this atmospheric pressure input joint (6) inserted passageway (A) intercommunication.

2. The pipe joint for testing the airtightness of a pipe according to claim 1, wherein: the joint upper cover (2) is close to the protruding upper cover boss (2a) that is formed with of one end of joint seat (4), the joint seat (4) is close to the sunken upper step heavy groove (4a) that is formed with upper cover boss (2a) suit of one end of joint upper cover (2), upper cover boss (2a) insert in the heavy groove (4a) of upper step, the joint lower cover (5) are close to the protruding lower cover boss (5a) that is formed with of one end of joint seat (4), the sunken lower step heavy groove (4b) that is formed with of the adaptation of lower cover boss (5a) of one end of joint seat (4) close to joint lower cover (5), lower cover boss (5a) insert in the heavy groove (4b) of lower step, the pipeline inserts the central point that passageway (A) passed upper cover boss (2a) and lower cover boss (5a) puts.

3. The pipe joint for testing the airtightness of a pipe according to claim 2, wherein: the tank bottom of going up step heavy groove (4a) is provided with upper seal circle (3), compress tightly upper seal circle (3) after upper cover boss (2a) inserts step heavy groove (4a), the tank bottom of lower step heavy groove (4b) is provided with lower seal circle (7), compress tightly lower seal circle (7) after lower cover boss (5a) inserts lower step heavy groove (4 b).

4. The pipe joint for testing the airtightness of a pipe according to claim 2, wherein: the joint seat (4) is provided with two joint seat bolt through holes (4c) which are respectively positioned at two sides of the upper step sinking groove (4a), the joint upper cover (2) is provided with two upper cover bolt through holes (2b) which are in one-to-one correspondence with the joint seat bolt through holes (4c), the joint lower cover (5) is provided with two lower cover bolt through holes (5b) which are in one-to-one correspondence with the joint seat bolt through holes (4c), two upper fastening bolts (8a) respectively penetrate through the corresponding upper cover bolt through holes (2b) and then are in threaded fit with the corresponding joint seat bolt through holes (4c), so as to lock the joint upper cover (2) on the joint seat (4), and two lower fastening bolts (8b) respectively pass through the corresponding lower cover bolt through holes (5b) and then are in threaded fit with the corresponding joint seat bolt through holes (4c) so as to lock the joint lower cover (5) on the joint seat (4).

5. The pipe joint for testing the airtightness of a pipe according to claim 4, wherein: the joint seat bolt through hole (4c) is a threaded hole, and the upper cover bolt through hole (2b) and the lower cover bolt through hole (5b) are through holes.

6. The pipe joint for testing the airtightness of a pipe according to claim 2, wherein: the upper cover boss (2a) and the lower cover boss (5a) are both cylindrical structures.

7. The pipe joint for testing the airtightness of a pipe according to claim 1, wherein: the connecting end (6c) of the air pressure input joint (6) is of a stud structure, the joint lower cover (5) is provided with an internal thread groove (5c) in threaded fit with the connecting end (6c), and the bottom of the internal thread groove (5c) is communicated with the pipeline insertion channel (A).