CN220081658U - Detect piecing devices - Google Patents

Abstract

The utility model discloses a detection joint device which comprises a connecting block, a locking assembly, a sealing plug and a joint assembly. The connecting block is provided with a plug connecting hole and a joint connecting hole, and the plug connecting hole is communicated with the joint connecting hole. The locking component is arranged on the connecting block and used for fixing the connecting block to the measured part. The sealing plug is inserted into the plug connecting hole and is detachably connected with the connecting block. The joint assembly is inserted into the joint connection hole and detachably connected with the connection block. The sealing plug and the joint assembly form an inflation passage which is used for communicating the inside of the part to be tested so as to inflate the inside of the part to be tested. By the mode, the application range of the detection joint device can be improved.

Description

Detect piecing devices

Technical Field

The utility model relates to the technical field of automobile part manufacturing, in particular to a detection joint device.

Background

The automotive compressor is a core component of an automotive air conditioning system, and its tightness is very important in relation to the performance of the automotive air conditioning system. For new energy automobiles, the automobile compressor is also used for performing temperature control adjustment on a battery pack of the automobile, and the poor tightness of the automobile compressor can also influence the operation of a whole automobile battery system. Before the car leaves the factory, it is necessary to perform a tightness test on the car compressor, wherein helium detection test is a widely used test method. In the helium test, the automobile compressor must be sealed by a test joint device and then filled with helium gas to test whether the automobile compressor leaks.

However, the current detection joint device is difficult to match and adapt to different types of detected parts, and has a limited application range.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a detection joint device, which can improve the application range of the detection joint device.

In order to solve the technical problems, the technical scheme adopted by the utility model is to provide a detection joint device which comprises a connecting block, a locking assembly, a sealing plug and a joint assembly. The connecting block is provided with a plug connecting hole and a joint connecting hole, and the plug connecting hole is communicated with the joint connecting hole. The locking component is arranged on the connecting block and used for fixing the connecting block to the measured part. The sealing plug is inserted into the plug connecting hole and is detachably connected with the connecting block. The joint assembly is inserted into the joint connection hole and detachably connected with the connection block. The sealing plug and the joint assembly form an inflation passage which is used for communicating the inside of the part to be tested so as to inflate the inside of the part to be tested.

In the above manner, the locking assembly, the sealing plug and the joint assembly are integrally connected by the connecting block to form the detection joint device, wherein the sealing plug and the joint assembly are formed with the inflation passage, and the inflation passage is communicated with the inside of the part to be detected, so that the detection joint device inflates the inside of the part to be detected through the inflation passage to perform helium detection test. The sealing plug is detachably connected with the connecting block, so that the detecting joint device can be replaced by the automobile compressor which is tested according to the requirement, the detecting joint device does not need to be replaced integrally, the application range of the detecting joint device is improved, and the helium detecting test convenience is improved. In addition, the sealing plug is replaced for different automobile compressors, so that the sealing property between the sealing plug and the automobile compressors can be effectively guaranteed, and the sealing property of the detection joint device is improved. All parts of the detection joint device can be detached, and when a part of parts are damaged, only the corresponding parts are required to be replaced, so that the detection cost is effectively reduced.

In some embodiments, the detection joint device includes a first sealing ring, the connecting block is provided with a first mounting groove communicated with the joint connection hole, the first sealing ring is sleeved on the periphery of the joint assembly and is arranged in the first mounting groove for preventing gas leakage in the joint connection hole and the plug connection hole.

In some embodiments, the detection joint device comprises a second sealing ring and a third sealing ring, the connecting block is provided with a second installation groove, the sealing plug is provided with a groove, the second sealing ring is sleeved on the periphery of the sealing plug and is arranged in the second installation groove, the third sealing ring is clamped in the groove and is in contact with the detected part, and the second sealing ring and the third sealing ring are used for preventing gas inside the detected part from leaking.

In some embodiments, the locking assembly includes a bolt and an elastic member, the connecting block is provided with a limiting hole, and the bolt is inserted into the limiting hole and is used for being in threaded connection with the part to be tested to fix the connecting block to the part to be tested. The elastic piece is sleeved on the periphery of the bolt and arranged between the head of the bolt and the connecting block and is used for elastically resetting when the bolt is in threaded connection with the measured part, so that the bolt is far away from the measured part.

In some embodiments, the locking assembly further comprises a sleeve and a gasket, the sleeve and the gasket are sleeved on the periphery of the bolt, the sleeve is arranged between the connecting block and the elastic piece, a part of the sleeve is clamped in the limiting hole, at least a part of the elastic piece is accommodated in the sleeve, and the gasket is arranged between the elastic piece and the head. When the bolt is in threaded connection with the measured part, the head part is abutted against the gasket so that the gasket is abutted against the elastic piece, and further elastic compression of the elastic piece is realized until the elastic piece is fully accommodated in the sleeve, and at the moment, the sleeve is abutted against the gasket; when the bolt is not in threaded connection with the measured part, the elastic piece elastically resets to enable the bolt to be far away from the measured part.

In some embodiments, the locking assembly comprises a ring buckle, the bolt is provided with a limiting groove, the ring buckle is connected with the bolt in a clamping mode through the limiting groove, and the ring buckle is contained in the limiting hole, so that the ring buckle is abutted with the sleeve to limit the bolt when the elastic piece elastically resets to enable the bolt to be far away from the measured part.

In some embodiments, the bolt includes a guide portion disposed at an end of the bolt facing away from the head, the guide portion being a hemisphere or a rounded-edge cylinder, the surface of the guide portion being unthreaded.

In some embodiments, the axis of the connector connection bore and the axis of the plug connection bore are not collinear.

In some embodiments, the connector assembly includes an inflation connector and a connector having one end inserted into the connector attachment aperture and the other end removably connected to the inflation connector. The first communication hole is formed in the inflation connector, the second communication hole is formed in the connecting piece, the first communication hole is communicated with the second communication hole, and the second communication hole is communicated with the connector connecting hole.

In some embodiments, the sealing plug is provided with a third communication hole which communicates the plug connection hole with the inside of the part to be tested. The first communication hole is communicated with the joint connection hole through the second communication hole, and the joint connection hole is communicated with the third communication hole through the plug connection hole, so that an inflation passage is formed for inflating the inside of the measured part.

Drawings

FIG. 1 is a schematic view of an embodiment of a test connector device according to the present utility model;

FIG. 2 is a schematic top view of an embodiment of the test connector device shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the test joint device and a part of the structure of the part under test shown in FIG. 1 along section line A-A;

FIG. 4 is a schematic view of another cross-sectional structure of the part of the test joint device and the part under test shown in FIG. 1 taken along the line A-A;

fig. 5 is a schematic view of the structure of the bolt shown in fig. 3.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

With the development of the age and the progress of technology, automobiles have become a ubiquitous walking tool. The automobile compressor is a core component of an automobile air conditioning system, the inside of the compressor is filled with refrigerant, if the tightness of the compressor is poor, the refrigerant in the compressor can leak, so that the performance of the compressor is reduced, the operation of the automobile air conditioning system is affected, the refrigeration of the automobile air conditioner is weakened or even fails, and great inconvenience is caused to users in an automobile. In addition, for the new energy automobile, the compressor also needs to perform temperature control adjustment on the battery pack of the new energy automobile, and if the tightness of the compressor does not meet the requirement, the operation of a battery system of the new energy automobile is also affected, so that the performance of the automobile is reduced. In order to ensure that the sealing performance of the compressor can meet the requirements, a detection joint device is generally used for filling helium with certain pressure into the compressor, and then the helium is placed into a vacuum box with certain vacuum degree requirements, and the vacuum box is connected with a leakage detection port of a helium mass spectrometer leakage detector so as to carry out helium detection test on the compressor.

The inventor of the present utility model has found through long-term research that the sealing effect of the detection joint device directly affects the detection result when the detection joint device is used and the detected part is required to be plugged. The current detection joint device cannot be well adapted to the detected parts of different types due to the limitation of the structure and the size, so that a plurality of detection joint devices are required to be prepared when the detected parts of different types are tested, and the detection cost is increased. And the detection joint device is inconvenient to mount and dismount when in use, and has low detection efficiency. Based on this, the present utility model proposes the following embodiments to solve the above technical problems.

The following test splice device embodiments of the present utility model describe exemplary configurations of test splice devices.

As shown in fig. 1 to 4, the detecting joint device 1 may include a connection block 10, a locking assembly 20, a sealing plug 30, and a joint assembly 40, the detecting joint device 1 may be detachably connected with the part 2 to be detected and seal the part 2 to be detected, and the detecting joint device 1 may be used to inflate the inside of the part 2 to be detected, thereby performing sealing detection on the part 2 to be detected.

The connection block 10 is provided with a plug connection hole 110 and a joint connection hole 120, and the plug connection hole 110 communicates with the joint connection hole 120. The locking assembly 20 is disposed on the connection block 10, and is used for fixing the connection block 10 to the part 2 to be tested, so as to detachably connect the detection joint device 1 to the part 2 to be tested. One end of the sealing plug 30 is inserted into the plug connection hole 110 and detachably connected with the connection block 10, and the other end is inserted into the part 2 to be tested to plug the part 2 to be tested. The joint assembly 40 is inserted into the joint coupling hole 120 and detachably coupled with the joint block 10. Wherein the sealing plug 30 and the joint assembly 40 are formed with an inflation passage for communicating with the inside of the part 2 to be measured to inflate the inside of the part 2 to be measured. The detection joint device 1 is arranged to be a plurality of mutually detachable components, so that the components in the detection joint device 1 can be adaptively replaced when different types of detected parts 2 are detected, for example, the sealing plug 30 can be replaced according to the size of the hole of the detected part 2, in which the sealing plug 30 is inserted, and the application range of the detection joint device 1 is effectively increased.

Alternatively, as shown in fig. 3 and 4, the detecting joint device 1 includes a first sealing ring 50, the connecting block 10 is provided with a first mounting groove 130 for communicating with the joint connection hole 120, the first sealing ring 50 is sleeved on the periphery of the joint assembly 40 and is disposed in the first mounting groove 130, so as to prevent gas leakage in the joint connection hole 120 and the plug connection hole 110. The first seal ring 50 may be, for example, an O-ring seal.

Optionally, as shown in fig. 3 and fig. 4, the detecting joint device 1 includes a second sealing ring 60 and a third sealing ring 70, the connecting block 10 is provided with a second installation groove 140, the sealing plug 30 is provided with a groove 310, the second sealing ring 60 is sleeved on the periphery of the sealing plug 30 and is disposed in the second installation groove 140, the third sealing ring 70 is clamped in the groove 310 and contacts with the part 2 to be detected, and the second sealing ring 60 and the third sealing ring 70 are used for preventing gas inside the part 2 to be detected from leaking. The first seal ring 50 may be, for example, an O-ring seal.

Through setting up first sealing washer 50, second sealing washer 60 and third sealing washer 70 and carrying out multiple sealing, effectively prevent to detect and leak between connector device 1 and the measured part 2 to prevent to detect that connector device 1 from leaking when detecting, guarantee the sealed effect of detection, promote the accuracy of testing result. In addition, the first sealing ring 50, the second sealing ring 60 and the third sealing ring 70 are arranged as O-shaped sealing rings, so that the sealing effect can be improved, and the requirement of high-precision sealing test can be met.

Alternatively, as shown in fig. 3 and 4, the locking assembly 20 includes a bolt 210 and an elastic member 220, the connection block 10 is provided with a limiting hole 150, the bolt 210 is disposed through the limiting hole 150, and the bolt 210 is used for being screwed with the part 2 to be tested to fix the connection block 10 to the part 2 to be tested. The elastic member 220 is sleeved on the periphery of the bolt 210, is disposed between the head 221 of the bolt 210 and the connection block 10, and is used for elastically resetting when the bolt 210 is in a threaded connection with the part 2 to be tested, so that the bolt 210 is far away from the part 2 to be tested. In fig. 3, the bolt 210 is not in threaded connection with the measured part 2, the elastic member 220 is in an elastic reset state, in fig. 4, the bolt 210 is in threaded connection with the measured part 2, and the elastic member 220 is in an elastic compression state. The elastic piece 220 is elastically reset to give the head 221 of the bolt 210 a force far away from the measured part 2, so that the bolt 210 can be quickly separated from the measured part 2 after the threaded connection with the measured part 2 is released, the screw thread damage caused by continuous idling of the bolt 210 in the measured part 2 is avoided, and the disassembly efficiency is effectively improved.

Optionally, as shown in fig. 3 and 4, the locking assembly 20 further includes a sleeve 230 and a washer 240, and the sleeve 230 and the washer 240 are sleeved on the periphery of the bolt 210. The sleeve 230 is disposed between the connecting block 10 and the elastic member 220, and a portion of the sleeve 230 is clamped in the limiting hole 150, at least a portion of the elastic member 220 is accommodated in the sleeve 230, and the gasket 240 is disposed between the elastic member 220 and the head 221. As shown in fig. 4, when the bolt 210 is screwed with the part 2 to be tested, the head 221 abuts against the spacer 240, so that the spacer 240 abuts against the elastic member 220, and further the elastic member 220 is elastically compressed until all the elastic member is accommodated inside the sleeve 230, and at this time, the sleeve 230 abuts against the spacer 240, and the detection joint device 1 is connected with the part 2 to be tested. As shown in fig. 3, when the bolt 210 is not screwed with the measured part 2, the elastic member 220 is elastically restored so that the bolt 210 is far away from the measured part 2.

Alternatively, as shown in fig. 3 to 5, the locking assembly 20 includes a collar 250, the bolt 210 is provided with a limiting groove 223, the collar 250 is clamped with the bolt 210 through the limiting groove 223, and the collar 250 is accommodated in the limiting hole 150 when the bolt 210 is inserted into the limiting hole 150. When the elastic piece 220 elastically resets and enables the bolt 210 to be far away from the measured part 2, the ring buckle 250 is abutted with the sleeve 230 clamped in the limiting hole 150 to limit the bolt 210, so that the bolt 210 is effectively prevented from falling off during installation and disassembly, the installation and disassembly efficiency of the detection joint assembly 40 is improved, and the detection efficiency is improved. The diameter of the ring 250 may be smaller than the diameter of the limiting hole 150, for example, so as to avoid interference between the ring 250 and the connecting block 10 when the bolt 210 is inserted into the limiting hole 150.

Alternatively, as shown in fig. 3 to 5, the bolt 210 includes a guide portion 222, and the guide portion 222 is disposed at an end of the bolt 210 facing away from the head 221. The guiding part 222 can be a hemispherical body or a cylinder with rounded edges, and the surface of the guiding part 222 is unthreaded, so that the bolt 210 can be quickly guided into the threaded hole of the measured part 2 when the bolt 210 is installed, and the possibility of thread damage of the threaded hole and the bolt 210 caused by idle rotation of the bolt 210 in the threaded hole in the disassembling process is effectively reduced.

Alternatively, as shown in fig. 3 and 4, the axis of the connector connecting hole 120 and the axis of the plug connecting hole 110 are not on the same line, that is, the connector assembly 40 and the sealing plug 30 are connected on opposite sides of the connecting block 10 in a staggered manner, so that the space inside the connecting block 10 is fully utilized, the length and the volume of the detecting connector device 1 are effectively reduced, and the installation is convenient.

Alternatively, as shown in fig. 3 and 4, the joint assembly 40 includes an air charge joint 410 and a connection member 420, and one end of the connection member 420 is inserted into the joint connection hole 120 and the other end is detachably connected with the air charge joint 410. The air charging connector 410 is provided with a first communication hole 411, the connecting piece 420 is provided with a second communication hole 421, the first communication hole 411 is communicated with the second communication hole 421, and the second communication hole 421 is communicated with the connector connecting hole 120. The sealing plug 30 is provided with a third communication hole 320, and the third communication hole 320 communicates the plug connection hole 110 with the inside of the part 2 to be measured. The first communication hole 411 communicates with the joint connection hole 120 via the second communication hole 421, and the joint connection hole 120 communicates with the third communication hole 320 via the plug connection hole 110, thereby forming an inflation passage for inflating the inside of the part 2 under test.

In summary, the locking assembly 20, the sealing plug 30 and the joint assembly 40 are integrally connected through the connection block 10 to form the inspection joint device 1, wherein the sealing plug 30 and the joint assembly 40 are formed with an inflation passage, and the inflation passage communicates with the inside of the part 2 to be inspected, so that the inspection joint device 1 inflates the inside of the part 2 to be inspected through the inflation passage to perform helium inspection test. The sealing plug 30 is detachably connected with the connecting block 10, so that the detecting joint device 1 can be replaced by the automobile compressor to be tested according to the requirement, the detecting joint device 1 does not need to be replaced integrally, the application range of the detecting joint device 1 is improved, and the helium detecting test convenience is improved. In addition, the sealing plug 30 is replaced for different automobile compressors, so that the sealing performance between the sealing plug 30 and the automobile compressors can be effectively ensured, and the sealing performance of the detection joint device 1 is improved. All parts of the detection joint device 1 can be detached, and when a part of parts are damaged, only the corresponding parts are required to be replaced, so that the detection cost is effectively reduced.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A test connector device, comprising:

the connecting block is provided with a plug connecting hole and a joint connecting hole, and the plug connecting hole is communicated with the joint connecting hole;

the locking component is arranged on the connecting block and used for fixing the connecting block to the part to be tested;

the sealing plug is inserted into the plug connecting hole and is detachably connected with the connecting block;

the joint assembly is inserted into the joint connecting hole and is detachably connected with the connecting block;

the sealing plug and the joint assembly form an inflation passage, and the inflation passage is used for communicating the inside of the part to be tested so as to inflate the inside of the part to be tested.

2. The device for detecting a joint according to claim 1, wherein,

the detection joint device comprises a first sealing ring, a first mounting groove communicated with the joint connecting hole is formed in the connecting block, the first sealing ring is sleeved on the periphery of the joint assembly and is arranged in the first mounting groove and used for preventing gas leakage in the joint connecting hole and the plug connecting hole.

3. The device for detecting a joint according to claim 1, wherein,

the detection joint device comprises a second sealing ring and a third sealing ring, the connecting block is provided with a second mounting groove, the sealing plug is provided with a groove, the second sealing ring is sleeved on the periphery of the sealing plug and is arranged in the second mounting groove, and the third sealing ring is clamped in the groove and is in contact with the part to be detected; the second sealing ring and the third sealing ring are used for preventing gas in the tested part from leaking.

4. The device for detecting a joint according to claim 1, wherein,

the locking assembly comprises a bolt and an elastic piece, the connecting block is provided with a limiting hole, and the bolt penetrates through the limiting hole and is used for being in threaded connection with the part to be tested to fix the connecting block to the part to be tested; the elastic piece is sleeved on the periphery of the bolt, is arranged between the head of the bolt and the connecting block, and is used for elastically resetting when the bolt is in threaded connection with the part to be tested, so that the bolt is far away from the part to be tested.

5. The device for detecting a joint according to claim 4, wherein,

the locking assembly further comprises a sleeve and a gasket, the sleeve and the gasket are sleeved on the periphery of the bolt, the sleeve is arranged between the connecting block and the elastic piece, part of the sleeve is clamped in the limiting hole, at least part of the elastic piece is accommodated in the sleeve, and the gasket is arranged between the elastic piece and the head;

when the bolt is in threaded connection with the measured part, the head is abutted against the gasket so that the gasket is abutted against the elastic piece, and further elastic compression of the elastic piece is achieved until the elastic piece is fully contained in the sleeve, and at the moment, the sleeve is abutted against the gasket; when the bolt is not in threaded connection with the measured part, the elastic piece is elastically reset to enable the bolt to be far away from the measured part.

6. The device of claim 5, wherein the device comprises a housing,

the locking assembly comprises a ring buckle, a limit groove is formed in the bolt, the ring buckle is connected with the bolt in a clamping mode through the limit groove, and the ring buckle is contained in the limit hole, so that the elastic piece elastically resets to enable the bolt to be far away from the measured part, and the elastic piece is abutted with the sleeve to limit the bolt.

7. The device for detecting a joint according to claim 4, wherein,

the bolt comprises a guide portion, the guide portion is arranged at one end, deviating from the head portion, of the bolt, the guide portion is a hemisphere or a cylinder with a rounded edge, and the surface of the guide portion is unthreaded.

8. The device for detecting a joint according to claim 1, wherein,

the axis of the joint connection hole and the axis of the plug connection hole are not in the same straight line.

9. The device for detecting a joint according to claim 1, wherein,

the connector assembly comprises an inflation connector and a connecting piece, one end of the connecting piece is inserted into the connector connecting hole, and the other end of the connecting piece is detachably connected with the inflation connector;

the inflatable connector is provided with a first communication hole, the connecting piece is provided with a second communication hole, the first communication hole is communicated with the second communication hole, and the second communication hole is communicated with the connector connecting hole.

10. The device of claim 9, wherein the device comprises a housing,

the sealing plug is provided with a third communication hole which is communicated with the plug connecting hole and the inside of the part to be tested; the first communication hole is communicated with the second communication hole

The joint connecting hole is communicated with the third communication hole through the plug connecting hole,

thereby forming the inflation passage for inflating the interior of the part under test.