CN113776843A

CN113776843A - Joint device and detection hose

Info

Publication number: CN113776843A
Application number: CN202111204548.4A
Authority: CN
Inventors: 陈科
Original assignee: Chongqing Cummins Engine Co Ltd
Current assignee: Chongqing Cummins Engine Co Ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2021-12-10

Abstract

The invention discloses a joint device and a detection hose, which are applied to a hose, wherein the wall of the hose is provided with a through hole, and the joint device comprises: the connector base is used for being in sealing connection with the through hole and comprises a connecting column penetrating through the through hole and a check ring arranged at one end of the connecting column, the connecting column is provided with a mounting hole communicated with the inside of the hose, and the mounting hole is used for mounting a detection piece so as to detect a medium in the hose; and the locking piece is fixedly connected with one end of the connecting column, which is far away from the check ring, so that the joint base is locked and fixed with the hose. Compared with the prior art that the hose is cut off at a measuring position, and the detection pieces such as the sensor and the like are installed by additionally arranging the metal pipe fitting at the cut-off position, the joint device provided by the invention is convenient to install, small in operation difficulty, strong in operability and practicability, and brings convenience for parameter measurement of hose type connecting pieces.

Description

Joint device and detection hose

Technical Field

The invention relates to the technical field of joint devices for hoses, in particular to a joint device. The invention further relates to a test hose comprising the joint device.

Background

When an IQA (intake Quality assessment/automatic) test is performed on a whole vehicle and an engine of the vehicle, the intake pressure, the water inlet pressure, the water outlet pressure, the temperature and the like of the engine need to be measured, the measurement positions of the parameters are usually arranged on a metal structural part, and the metal structural part is easy to be provided with a threaded hole so as to be convenient for screwing a sensor joint and welding the sensor joint, thereby being convenient for realizing the relevant detection of the parameters.

However, for some special cases, the connection position of the parameter to be measured is connected by a soft rubber pipe, at the moment, the parameter measurement position has to be arranged on the soft rubber pipe, however, for the soft rubber pipe, the sensor joint cannot be directly screwed or welded on the soft rubber pipe, so that the sensor is inconvenient to mount and fix, and the parameter detection is affected.

In order to realize the connection between the sensor joint and the soft rubber tube in the prior art, the current method is as follows: the flexible rubber hose at the measuring position is cut off, a metal pipe fitting is fixed at two ends of the cut off by using a hoop respectively, and a sensor is screwed or welded on the metal pipe fitting so as to realize the measurement of the parameters at the flexible rubber hose.

It can be seen that the arrangement mode has high operation difficulty and low operability and practicability, and brings inconvenience to parameter measurement of hose connectors.

Therefore, how to solve the technical problem of inconvenient parameter measurement of hose connectors is a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In view of the above, the present invention provides a joint device, which is convenient to operate and is convenient for measuring parameters of media in a hose type connector.

It is a further object of the present invention to provide a test hose comprising a connector device as described above, which facilitates the measurement of a parameter of a medium inside the test hose.

In order to achieve the above purpose, the invention provides the following technical scheme:

a joint device applied to a hose, a pipe wall of the hose being provided with through holes, the joint device comprising:

the joint base is used for being in sealing connection with the through hole and comprises a connecting column penetrating through the through hole and a check ring arranged at one end of the connecting column, the connecting column is provided with a mounting hole communicated with the inside of the hose, and the mounting hole is used for mounting a detection piece so as to detect a medium in the hose;

the retaining member, its with the spliced pole is kept away from the one end fixed connection of retaining ring, so that the joint base with the hose locking is fixed.

Preferably, the detection member comprises a temperature sensor, a pressure sensor or a sampling joint.

Preferably, the detection piece is detachably arranged at the mounting hole.

Preferably, one of the detection member and the connection column is provided with an external thread, and the other is provided with an internal thread screwed with the external thread.

Preferably, the device further comprises a plug which is detachably arranged at the mounting hole.

Preferably, a first sealing ring is arranged between the check ring and the hose.

Preferably, a second sealing ring is arranged between the locking member and the hose.

Preferably, a flat washer is arranged between the locking member and the second sealing ring.

Preferably, the locking member is a locking nut which is in threaded connection with the connecting column.

A test hose, comprising:

the tube wall of the hose is provided with a through hole;

any one of the above connector devices is mounted at the through hole.

According to the joint device provided by the invention, when the medium in the hose is detected, the medium in the hose can be measured only by arranging the through hole on the hose, then installing the joint base of the joint device at the through hole, locking the joint base on the hose by using the locking piece, and then installing the detection piece at the installation hole. That is, the joint base is used for supporting and/or fixing the detection piece so as to realize the installation of the detection piece on the hose, compared with the prior art that the hose is cut off at the measurement position, and the detection pieces such as the sensor and the like are installed by additionally arranging the metal pipe fitting at the cut-off position, the joint device provided by the invention is convenient to install, small in operation difficulty and strong in operability and practicability, and brings convenience for the parameter measurement of the hose type connecting piece.

The detection hose provided by the invention comprises the joint device and has the beneficial effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an exploded view of a coupling device according to an embodiment of the present invention applied to a hose;

fig. 2 is an exploded view (perspective view) of the joint assembly shown in fig. 1;

FIG. 3 is a schematic view of the assembled structure of FIG. 2;

FIG. 4 is a schematic view of the adapter device of FIG. 3 with a temperature sensor mounted thereon;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a schematic view of the adapter device of FIG. 3 with the sample adapter installed;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic view of the coupling device of FIG. 3 after installation of the plug;

FIG. 9 is an exploded view of FIG. 8;

fig. 10 is a schematic structural diagram of a detection hose according to an embodiment of the present invention applied to an engine.

The reference numerals in fig. 1 to 10 are as follows:

the device comprises a connector base 1, a connecting column 11, a retaining ring 12, a mounting hole 13, a locking part 2, a temperature sensor 31, a sampling connector 32, a plug 4, a first sealing ring 5, a second sealing ring 6, a flat washer 7, a hose 8 and a through hole 81.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the invention is to provide a joint device which is convenient to operate and is convenient to realize the measurement of medium parameters in the hose connector. Another core of the present invention is to provide a test hose comprising the above-mentioned joint device, which facilitates the measurement of a parameter of a medium in the test hose.

Referring to fig. 1-10, fig. 1 is an exploded view of a coupling device applied to a hose; fig. 2 is an exploded view (perspective view) of the joint device; FIG. 3 is a schematic view of the assembled structure of FIG. 2; FIG. 4 is a schematic structural view of the adapter device after installation of a temperature sensor; FIG. 5 is an exploded view of FIG. 4; FIG. 6 is a schematic structural view of the adapter device after installation of the sampling adapter; FIG. 7 is an exploded view of FIG. 6; FIG. 8 is a schematic view of the coupling device after installation of the plug; FIG. 9 is an exploded view of FIG. 8; fig. 10 is a schematic view of the structure of the detection hose applied to the engine.

The invention provides a joint device which is applied to a hose 8, wherein the wall of the hose 8 is provided with a through hole 81, and the joint device comprises a joint base 1 and a locking piece 2. The joint base 1 is used for being hermetically connected with the through hole 81, wherein the joint base 1 comprises a connecting column 11 penetrating through the through hole 81 and a retainer ring 12 arranged at one end of the connecting column 11, the connecting column 11 is provided with a mounting hole 13 communicated with the inside of the hose 8, and the mounting hole 13 is used for mounting a detection piece so as to detect a medium in the hose 8; the locking piece 2 is fixedly connected with one end of the connecting column 11 far away from the retainer ring 12, so that the joint base 1 and the hose 8 are locked and fixed.

It can be understood that, after the through hole 81 is worn to locate by the connecting column 11, the retaining ring 12 can limit one end of the connecting column 11, and after the retaining member 2 is fixed to the other end of the connecting column 11, the fitting effect of the retaining member 2 and the retaining ring 12 is utilized to lock and fix the joint base 1 on the hose 8. In addition, after the joint base 1 is locked on the hose 8, the joint base 1 is connected with the through hole 81 in a sealing manner, so that the sealing performance of the joint base 1 and the hose 8 is ensured, and the medium (such as water or air) in the hose 8 is prevented from leaking. Further, the mounting hole 13 is used for mounting a detection member to detect the medium in the hose 8 by the detection member.

It can be seen that when the medium in the hose 8 is detected, the medium in the hose 8 can be measured only by forming the through hole 81 in the hose 8, then installing the joint base 1 of the joint device provided by the invention at the through hole 81, locking the joint base 1 on the hose 8 by using the locking member 2, and then installing the detection member at the installation hole 13. That is, the joint base 1 is used for supporting and/or fixing the detection piece so as to realize the installation of the detection piece on the hose 8, compared with the prior art that the hose 8 is cut off at the measurement position, and the detection pieces such as the sensor and the like are installed by additionally arranging the metal pipe fitting at the cut-off position, the joint device provided by the invention is convenient to install, small in operation difficulty, strong in operability and practicability, and brings convenience for the parameter measurement of the hose type connecting piece.

It should be noted that, in this embodiment, a specific structure of the detecting member mounted at the mounting hole 13 is not limited, and preferably, on the basis of the above embodiments, the detecting member includes a temperature sensor 31, a pressure sensor or a sampling joint 32. That is, the joint device can be a joint device with different functions, so as to achieve different functions of temperature detection, pressure detection, or sampling (such as gas or water taking) of the medium in the hose 8, and improve the application range of the joint device.

Further, the present embodiment does not limit the specific arrangement manner of the detecting member at the mounting hole 13, and as a preferable scheme, on the basis of the above embodiments, the detecting member is detachably arranged at the mounting hole 13. That is to say, the detection piece is located mounting hole 13 with detachable mode, can change the detection piece of different functions according to actual demand, for example, can switch over temperature sensor 31, pressure sensor and sampling joint 32 at any time to make this piecing devices be multi-functional joint, promote its commonality. In addition, when the detection piece is damaged or breaks down, the detection piece is convenient to replace with a new one or to detach and maintain the detection piece.

Of course, when only one kind of detection is required to be performed on the medium in the hose 8, the detection member may be fixed to the mounting hole 13 in a non-detachable manner, so as to implement permanent detection of the detection member, which is convenient to use.

It should be noted that, the present embodiment does not limit the specific way of detachably connecting the detecting element at the mounting hole 13, and as a preferable scheme, on the basis of the above embodiments, one of the detecting element and the connecting column 11 is provided with an external thread, and the other is provided with an internal thread screwed with the external thread. That is to say, this embodiment realizes detecting the piece through threaded connection's mode and the fixed of spliced pole 11, is favorable to detecting the fixed of piece on the one hand, ensures to detect the piece and at the fixed stability of mounting hole 13 department, and on the other hand, threaded connection still has certain sealing performance, is favorable to ensuring the leakproofness of being connected between detecting the piece and the spliced pole 11, avoids the medium to leak.

Further, in order to avoid that the detecting member is always located at the mounting hole 13 after the measurement is completed, as a preferable scheme, on the basis of the above embodiment, the detecting member further includes a plug 4 detachably mounted at the mounting hole 13. That is, when the measurement is not needed, the plug 4 can be inserted into the mounting hole 13 to plug the mounting hole 13, so as to ensure the sealing performance of the joint device; when measurement is needed, the medium in the hose 8 can be detected only by pulling out the plug 4 and replacing the detection piece, so that the measurement on the related parameters of the medium in the hose 8 can be conveniently carried out at any time in various places.

In addition, in the above embodiments, the specific sealing connection manner between the joint base 1 and the through hole 81 is not limited, for example, a mechanical seal may be implemented between the joint base 1 and the through hole 81 through a mechanical labyrinth structure, or a seal may be implemented through a tight fit.

In view of the reliability of the seal, it is preferable to provide the first sealing ring 5 between the retainer ring 12 and the hose 8 in the above embodiment. That is, in the present embodiment, the first sealing ring 5 is used to achieve sealing performance at the mating surface of the check ring 12 and the hose 8, so as to prevent the medium in the hose 8 from leaking. Preferably, the first seal ring 5 is an O-ring seal.

Of course, as a preferable scheme, a second sealing ring 6 can be arranged between the locking member 2 and the hose 8, so that the sealing at the matching surface of the locking member 2 and the hose 8 is realized by the second sealing ring 6, and the medium in the hose 8 is prevented from leaking. Preferably, the second sealing ring 6 is also an O-ring.

In order to increase the sealing effect, a first sealing ring 5 and a second sealing ring 6 can be provided at the same time, i.e. the first sealing ring 5 is arranged between the collar 12 and the hose 8, and the second sealing ring 6 is arranged between the locking element 2 and the hose 8.

Further, in order to improve the locking effect between the locking member 2 and the connecting column 11, a flat washer 7 is disposed between the locking member 2 and the second sealing ring 6 on the basis of the above-mentioned embodiment. It will be appreciated that the flat washer 7 is a flexible or resilient member, which advantageously conforms to the shape of the hose 8 at the through hole 81, and which advantageously allows the locking member 2 to lock the connector base 1 to the hose 8 more tightly.

In addition, in each of the above embodiments, the specific connection manner between the locking member 2 and the connecting column 11 is not limited, for example, the locking member 2 and the connecting column 11 may be clamped or welded.

Preferably, the locking member 2 is a locking nut which is screwed with the connecting column 11 on the basis of the above-mentioned embodiment. That is, this embodiment is through lock nut with the one end locking that connecting column 11 kept away from retaining ring 12, simple structure, the operation of being convenient for.

In addition to the above joint device, the present invention further provides a detection hose including the joint device disclosed in the above embodiment, the detection hose further includes a hose 8, a through hole 81 is formed in a wall of the hose 8, and the joint device is mounted at the through hole 81. Specifically, the through-hole 81 is worn to locate by the spliced pole 11 of the joint base 1 of piecing device to utilize retaining ring 12 to carry on spacingly to the one end of joint base 1, retaining member 2 and the one end fixed connection that retaining ring 12 was kept away from to spliced pole 11 of piecing device, in order to realize that the locking of joint base 1 and hose 8 is fixed.

The joint device is simple in structure, convenient to install and small in operation difficulty, and brings convenience to parameter measurement of hose connectors.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The joint device and the detection hose provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A coupling device, characterized in that it is applied to a hose (8), the wall of said hose (8) being provided with through holes (81), said coupling device comprising:

the joint base (1) is used for being in sealing connection with the through hole (81), the joint base (1) comprises a connecting column (11) penetrating through the through hole (81) and a retaining ring (12) arranged at one end of the connecting column (11), the connecting column (11) is provided with a mounting hole (13) communicated with the inside of the hose (8), and the mounting hole (13) is used for mounting a detection piece so as to detect a medium in the hose (8);

the locking piece (2) is fixedly connected with one end, far away from the check ring (12), of the connecting column (11), so that the joint base (1) and the hose (8) are locked and fixed.

2. A connector device according to claim 1, wherein the detection means comprises a temperature sensor (31), a pressure sensor or a sampling connector (32).

3. A connector device according to claim 1, wherein said detecting member is detachably provided at said mounting hole (13).

4. A joint arrangement according to claim 3, wherein one of the detection member and the connecting stud (11) is provided with an external thread and the other is provided with an internal thread which is threadedly engaged with the external thread.

5. A connector device according to claim 1, further comprising a plug (4) removably mounted at said mounting hole (13).

6. A coupling device according to any one of claims 1-5, characterized in that a first sealing ring (5) is arranged between the collar (12) and the hose (8).

7. A connector device according to any one of claims 1 to 5, characterised in that a second sealing ring (6) is provided between the retaining member (2) and the hose (8).

8. Joint arrangement according to claim 7, characterized in that a flat washer (7) is provided between the locking element (2) and the second sealing ring (6).

9. A connector device according to any one of claims 1 to 5, characterized in that the locking member (2) is a locking nut which is screwed to the connecting column (11).

10. A test hose, comprising:

a hose (8) having a wall provided with a through hole (81);

the connector device of any one of claims 1-9, mounted at said through hole (81).