CN219413902U - Quick connecting joint - Google Patents
Quick connecting joint Download PDFInfo
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- CN219413902U CN219413902U CN202320627803.4U CN202320627803U CN219413902U CN 219413902 U CN219413902 U CN 219413902U CN 202320627803 U CN202320627803 U CN 202320627803U CN 219413902 U CN219413902 U CN 219413902U
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- hose
- locking cylinder
- hole
- thread
- mastoid
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Abstract
The utility model relates to the technical field of pipe connection, and provides a quick connecting joint which is used for connecting a pipeline and a hose, and comprises a joint main body, wherein one end part of the joint main body is provided with a connecting hole for being matched with the pipeline, the outer wall of the end is provided with a first thread, the other end part of the joint main body is provided with a receiving section for receiving the hose, the side wall of the receiving section is provided with a mastoid, the maximum diameter of the mastoid is larger than the inner diameter of the hose, and the end part of the receiving section is provided with an air passage communicated with the connecting hole; one end of the first locking cylinder is connected with the first thread, and the other end of the first locking cylinder is provided with a taper hole; the clamping sleeve is provided with a notch at one side, and the outer wall of the clamping sleeve is of a conical structure capable of being matched with the conical hole; and one end of the second locking cylinder is connected with the second thread, the other end of the second locking cylinder is provided with a locking hole for the pipeline to penetrate, and the minimum gap between the locking hole and the mastoid is smaller than the wall thickness of the hose. The utility model avoids the influence of the deformation of the pipeline on the air tightness, and has the advantages of time and labor saving, convenience and rapidness in operation and more reliable stability.
Description
Technical Field
The utility model relates to the technical field of pipe connection, in particular to a quick-connection joint.
Background
In industrial production, temporary connection is often performed on a pipe, that is, in a case where there is no accessory such as a flange or a thread on the pipe to be connected, for example, in a scene of performing air tightness detection, a hose needs to be connected to the pipe (typically, a metal or plastic hard pipe made of a metal or PVC material), and it is difficult to perform tight and firm connection without allowing welding or machining of the pipe.
The existing connection mode is to select a hose with an inner diameter smaller than the outer diameter of a pipeline, forcibly sleeve a section of the hose on the pipeline, and sometimes install a clamp to further lock the hose for connection stability.
Disclosure of Invention
The utility model aims to provide a quick connecting joint so as to solve the defects of the prior connecting mode.
The embodiment of the utility model is realized by the following technical scheme:
a quick connect coupling for connecting a pipe to a hose, comprising:
the connector comprises a connector main body, wherein a connecting hole matched with a pipeline is formed in one end part of the connector main body, a first thread is formed in the outer wall of the end of the connector main body, a receiving section for receiving a hose is formed in the other end part of the connector main body, a mastoid is arranged on the side wall of the receiving section, the maximum diameter of the mastoid is larger than the inner diameter of the hose, and an air passage communicated with the connecting hole is formed in the end part of the receiving section;
one end of the first locking cylinder is connected with the first thread, and the other end of the first locking cylinder is provided with a taper hole;
the clamping sleeve is used for being sleeved on the pipeline, a notch is formed in one side of the clamping sleeve, and the outer wall of the clamping sleeve is of a conical structure capable of being matched with the conical hole;
and one end of the second locking cylinder is connected with the second thread, the other end of the second locking cylinder is provided with a locking hole for the pipeline to penetrate, and the minimum gap between the locking hole and the mastoid is smaller than the wall thickness of the hose.
Optionally, one or more ring grooves for installing the sealing ring are arranged on the side wall of the connecting hole.
Optionally, the diameter of the mastoid increases progressively in a direction away from the end of the receiving section.
Optionally, rounded corners are arranged at two ends of the mastoid.
Optionally, the locking hole has a diameter greater than the outer diameter of the hose.
Optionally, the clamping sleeve is made of plastic.
Optionally, the side wall of the joint body is provided with an annular boss between the first thread and the second thread.
Optionally, the cross section of the annular boss in the vertical axial direction is of a regular hexagon structure.
Optionally, the cross section of the first locking cylinder perpendicular to the axial direction is of a regular hexagon structure.
Optionally, the cross section of the second locking cylinder perpendicular to the axial direction is of a regular hexagon structure.
The utility model has at least the following advantages and beneficial effects: according to the utility model, the pipeline and the hose are respectively connected through the joint main body, so that the connection between the pipeline and the hose is realized, the pipeline is inserted into the connecting hole when connected, the clamping sleeve is sleeved on the pipeline, and then the clamping sleeve is connected with the first thread through the first locking cylinder, so that the taper hole is matched with the taper structure of the outer wall of the clamping sleeve, and the axial force is converted into the radial force to tightly hold the pipeline, so that the connection between the joint main body and the pipeline is realized; when the hose is connected, the hose is stretched into the locking hole of the second locking barrel, then the hose is sleeved on the mastoid, and the hose is locked as much as possible after the second locking barrel is connected with the second thread because the gap between the mastoid and the locking hole is smaller than the wall thickness of the hose. Compared with the prior art, the clamping sleeve is matched with the first locking cylinder to clamp the pipeline, so that the stress is more uniform, and the influence of the deformation of the pipeline on the air tightness is avoided; the mode of forcibly sleeving the hose on the pipeline is avoided, the operation is more time-saving and labor-saving, the operation is convenient and quick, and meanwhile, the stability is more reliable when the hose is used in some vibration occasions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a quick connect coupling according to the present utility model;
FIG. 2 is a cross-sectional view of the connector body;
FIG. 3 is a cross-sectional view of the first locking cylinder;
FIG. 4 is a schematic view of the structure of the clamping sleeve;
FIG. 5 is a cross-sectional view of the second locking cylinder;
FIG. 6 is a view showing a state of use of a quick connect coupling according to the present utility model;
icon: 1-joint main body, 101-connecting hole, 101 a-ring groove, 102-first screw thread, 103-second screw thread, 104-receiving section, 104 a-mastoid, 104 b-air passage, 105-annular boss, 2-first locking cylinder, 201-taper hole, 3-clamping sleeve, 301-notch, 4-second locking cylinder, 401-locking hole, 5-sealing ring, 6-pipe, 7-hose.
Detailed Description
Referring to fig. 1, a quick connect coupling for connecting a pipe 6 and a hose 7 includes a coupling body 1, a first locking barrel 2, a clamping sleeve 3, and a second locking barrel 4.
Referring to fig. 2 to 4, the joint body 1 has a connecting hole 101 at one end and a first thread 102 at the outer wall of the end, the connecting hole 101 is matched with the pipeline 6 when in use, and a clearance fit can be adopted between the connecting hole 101 and the pipeline 6, or the diameter of the connecting hole 101 is slightly larger than the outer diameter of the pipeline 6, so that the installation is convenient. One end of the first locking cylinder 2 is connected with the first thread 102, and the other end of the first locking cylinder 2 is provided with a taper hole 201. The clamping sleeve 3 is used for being sleeved on the pipeline 6, one side of the clamping sleeve 3 is provided with a notch 301 so that the clamping sleeve 3 has a certain contractibility, and the outer wall of the clamping sleeve 3 is of a conical structure capable of being matched with the conical hole 201.
Referring to fig. 6, in use, the joint body 1 is connected with the pipe 6 through the cooperation of the joint body 1, the clamping sleeve 3 and the first locking cylinder 2, specifically, the pipe 6 is inserted into the connecting hole 101 during connection, the clamping sleeve 3 is sleeved on the pipe 6, the first locking cylinder 2 is connected with the first thread 102, the taper hole 201 is matched with the taper structure of the outer wall of the clamping sleeve 3, the taper hole 201 is matched with the taper structure, and the axial force is converted into the radial force to hold the pipe 6 tightly, so that the joint body 1 is connected with the pipe 6, compared with the prior art, the pipe 6 is clamped through the cooperation of the clamping sleeve 3 with the first locking cylinder 2, the stress is more uniform, and the influence on the air tightness caused by the deformation of the pipe 6 is avoided.
On the basis of the above, the clamping sleeve 3 is made of plastic, so that the elasticity of the clamping sleeve 3 is better, the pipeline 6 can be held tightly better, the connection is more reliable, and the specific material of the clamping sleeve 3 is not limited, and the clamping sleeve is made of materials such as rubber, nylon and the like.
Referring to fig. 1, 2 and 6 again, the side wall of the connection hole 101 is provided with one or more ring grooves 101a for installing the sealing ring 5, so that the tightness between the joint body 1 and the pipe 6 can be improved, and the use is more reliable for occasions requiring an airtight test. In this embodiment, two ring grooves 101a are provided on the side wall of the connecting hole 101 at intervals along the axial direction for installing the sealing ring 5, and it is easy to understand that in other embodiments, the specific number of ring grooves 101a can be set according to the requirement.
The cross section of the first locking cylinder 2 perpendicular to the axial direction is of a regular hexagonal structure, and it is easy to understand that the first locking cylinder 2 is arranged so as to be sleeved on the outer wall of the first locking cylinder 2 through tools such as a wrench, so that the first locking cylinder 2 is screwed to realize connection or release with the first thread 102. In this embodiment, a boss is disposed at one end of the first locking barrel 2 far away from the connector main body 1, and a cross section of the boss perpendicular to the axial direction is designed into a regular hexagon, which is easy to understand, and the boss may be available or not, specifically may be selected according to whether the strength can meet the requirement.
Referring to fig. 1 and 5, the other end of the connector body 1 is provided with a receiving section 104 for receiving the hose 7, a mastoid 104a is provided on a side wall of the receiving section 104, a maximum diameter of the mastoid 104a is larger than an inner diameter of the hose 7, an air passage 104b communicating with the connecting hole 101 is provided on the end of the receiving section 104, and the air passage 104b facilitates communication between the hose 7 and the pipe 6. One end of the second locking cylinder 4 is connected with the second thread 103, and the other end of the second locking cylinder 4 is provided with a locking hole 401 for the pipeline 6 to penetrate, and the minimum gap between the locking hole 401 and the mastoid 104a is smaller than the wall thickness of the hose 7.
Referring to fig. 6 again, in use, the connection between the connector body 1 and the hose 7 is achieved by the cooperation of the second locking barrel 4 and the nipple 104a of the receiving section 104, specifically, when in connection, the hose 7 is first stretched into the locking hole 401 of the second locking barrel 4, then the hose 7 is sleeved on the nipple 104a, and as the gap between the nipple 104a and the locking hole 401 is smaller than the wall thickness of the hose 7, the hose 7 is locked as much as possible after the second locking barrel 4 is connected with the second thread 103, compared with the prior art, the method of forcibly sleeving the hose 7 on the pipeline 6 is avoided, and the operation is more time-saving, labor-saving, convenient and quick.
On the basis of the above, the diameter of the locking hole 401 is larger than the outer diameter of the hose 7, so arranged that the hose 7 can easily extend into the locking hole 401 of the second locking cylinder 4, i.e., the installation is made more convenient. Further, it is easy to understand that to ensure that the locking hole 401 can cooperate with the mastoid 104a to lock the hose 7, the diameter of the locking hole 401 is slightly larger than the outer diameter of the hose 7.
Referring to fig. 1 and 2, the diameter of the mastoid 104a gradually increases along the direction away from the end of the receiving section 104, so that the hose 7 can be better sleeved on the mastoid 104a, and further, the two ends of the mastoid 104a are provided with rounded corners, so that the hose 7 is prevented from being damaged to influence the air tightness.
The cross section of the second locking cylinder 4 perpendicular to the axial direction is of a regular hexagonal structure, and it is easy to understand that the second locking cylinder 4 is arranged so as to be sleeved on the outer wall of the second locking cylinder 4 through tools such as a wrench, so that the second locking cylinder 4 is screwed to realize connection or release with the second threads 103.
On the basis of the above, the side wall of the joint body 1 is provided with the annular boss 105 between the first thread 102 and the second thread 103, the end part of the annular boss 105 can be used as the limit of the first locking cylinder 2 and the second locking cylinder 4, and further, the vertical axial cross section of the annular boss 105 is of a regular hexagonal structure, so that the joint body 1 is conveniently fixed by sleeving the outer wall of the annular boss 105 through tools such as a wrench in the process of screwing the first locking cylinder 2 and the second locking cylinder 4.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A quick connect coupling for connecting a pipe (6) and a hose (7), comprising:
the connector comprises a connector body (1), wherein a connecting hole (101) for being matched with a pipeline (6) is formed in one end part of the connector body (1), a first thread (102) is formed in the outer wall of the end, a receiving section (104) for receiving a hose (7) is formed in the other end part of the connector body (1), a mastoid (104 a) is arranged on the side wall of the receiving section (104), the maximum diameter of the mastoid (104 a) is larger than the inner diameter of the hose (7), and an air passage (104 b) communicated with the connecting hole (101) is formed in the end part of the receiving section (104);
one end of the first locking cylinder (2) is connected with the first thread (102), and the other end of the first locking cylinder is provided with a taper hole (201);
the clamping sleeve (3) is sleeved on the pipeline (6), one side of the clamping sleeve (3) is provided with a notch (301), and the outer wall of the clamping sleeve (3) is of a conical structure which can be matched with the conical hole (201);
and one end of the second locking cylinder (4) is connected with the second thread (103), the other end of the second locking cylinder is provided with a locking hole (401) for the pipeline (6) to penetrate, and the minimum gap between the locking hole (401) and the mastoid (104 a) is smaller than the wall thickness of the hose (7).
2. Quick connect coupling according to claim 1, characterized in that the side wall of the connecting hole (101) is provided with one or more ring grooves (101 a) for mounting the sealing ring (5).
3. The quick connect coupling according to claim 1, wherein the diameter of the mastoid (104 a) gradually increases in a direction away from the end of the receiving section (104).
4. A quick connect coupling according to claim 3, wherein the mastoid (104 a) is rounded at both ends.
5. Quick connect coupling according to claim 1, characterized in that the diameter of the locking hole (401) is larger than the outer diameter of the hose (7).
6. Quick connect coupling according to any of claims 1-5, characterized in that the clamping sleeve (3) is made of plastic.
7. A quick connect coupling according to any of claims 1-5, wherein the side wall of the coupling body (1) is provided with an annular boss (105) between the first thread (102) and the second thread (103) pieces.
8. The quick connect coupling according to claim 7, wherein said annular boss (105) has a regular hexagonal cross-section in the vertical axial direction.
9. Quick connect coupling according to any of claims 1-5, wherein the first locking cylinder (2) has a regular hexagonal configuration in cross-section perpendicular to the axial direction.
10. Quick connect coupling according to any of claims 1-5, wherein the second locking cylinder (4) has a regular hexagonal configuration in cross-section perpendicular to the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320627803.4U CN219413902U (en) | 2023-03-27 | 2023-03-27 | Quick connecting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320627803.4U CN219413902U (en) | 2023-03-27 | 2023-03-27 | Quick connecting joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413902U true CN219413902U (en) | 2023-07-25 |
Family
ID=87244318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320627803.4U Active CN219413902U (en) | 2023-03-27 | 2023-03-27 | Quick connecting joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413902U (en) |
-
2023
- 2023-03-27 CN CN202320627803.4U patent/CN219413902U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |