External thread quick-change connector

Abstract

The utility model discloses an external thread quick-change connector, which belongs to the technical field of pipeline connection, and comprises two quick-release heads, the two quick-release heads are detachably connected, one ends, far away from each other, of the two quick-release heads are fixedly connected with external thread connecting parts, the two quick-release heads are provided with through holes, and the two through holes correspond to each other. A quick dismounting assembly and a positioning assembly are arranged between the two quick dismounting heads, the quick dismounting assembly is used for quick dismounting between the two quick dismounting heads, and the positioning assembly is used for fixing the connecting angle between the two quick dismounting heads; when the pipelines are replaced, quick disassembly and assembly between the two quick disassembly heads can be completed through simple drawing of the quick disassembly assembly, the time for connecting and disconnecting the pipelines is saved, the connecting angle can be adjusted when the two quick disassembly heads are used for connecting the pipelines, and the connecting efficiency is improved. And after the angle is adjusted, the quick-release assembly is matched with the positioning assembly to fix the two quick-release heads at the required connecting angle, the use conditions of pipelines with different angles can be met, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field more specifically, relate to a male thread quick change connector. BACKGROUND

[0002] The quick change connector is a tool for quickly connecting and disassembling pipelines, widely used in the transmission pipelines of air, gas, liquid and other fluids, the design of the connector makes the connection and disconnection process simple and fast, greatly improving the work efficiency and safety.

[0003] At present, the quick change connector is generally composed of two connector assemblies, the two connector assemblies are connected on two pipelines through external threads, and the quick disassembly structure is used to realize the quick disassembly of the pipelines, but the existing quick change connector is usually of plug-in type disassembly, only has one connection direction, the connection angle is fixed, cannot adjust the connection angle according to the actual situation, and it is difficult to meet different use conditions, therefore, the utility model provides a male thread quick change connector. UTILITY MODEL CONTENTS

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the utility model aims at providing a male thread quick change connector, which aims at solving the problems in the prior art that the quick change connector is usually of plug-in type disassembly, only has one connection direction, the connection angle is fixed, cannot adjust the connection angle according to the actual situation, and it is difficult to meet different use conditions.

[0006] 2. Technical scheme

[0007] In order to solve the above problems, the utility model adopts the following technical scheme:

[0008] The male thread quick change connector comprises two quick disassembly heads, the two quick disassembly heads are detachably connected, the far ends of the two quick disassembly heads are fixedly connected with external thread connecting parts, through holes are formed in the two quick disassembly heads, the two through holes correspond to each other, a quick disassembly assembly and a positioning assembly are arranged between the two quick disassembly heads, the quick disassembly assembly is used for the quick disassembly between the two quick disassembly heads, and the positioning assembly is used for fixing the connection angle between the two quick disassembly heads.

[0009] As a preferred scheme of the utility model, the quick release assembly includes a fixed tube, an inner tube, a plug tube, a pull rod, a spring, a retraction groove, a limiting groove and a clamping bead set, the fixed tube is fixedly connected in a quick release head, and the fixed tube penetrates two through holes, the inner tube is fixedly connected to the circumferential inner wall of the fixed tube, the plug tube is fixedly connected in another quick release head, and the plug tube penetrates two through holes and is inserted between the fixed tube and the inner tube, the pull rod is slidingly connected in the fixed tube and the inner tube, and one end of the pull rod penetrates to one side of a quick release head, the spring is sleeved on the circumferential surface of the pull rod, and the spring is located in the fixed tube, the retraction groove is arranged on the circumferential surface of the pull rod, and the retraction groove is located in the inner tube, the limiting groove is arranged on the circumferential inner wall of the plug tube, and the clamping bead set is arranged in the inner tube and penetrates the inner tube and matches the retraction groove and the limiting groove.

[0010] As a preferred scheme of the utility model, the positioning assembly includes a tooth groove and a clamping tooth, the tooth groove is arranged on one quick release head, and the clamping tooth is fixedly connected on another quick release head and matches the tooth groove.

[0011] As a preferred scheme of the utility model, a positioning sealing groove is arranged on one quick release head, a positioning sealing ring is fixedly connected on another quick release head, and the positioning sealing ring matches the positioning sealing groove.

[0012] As a preferred scheme of the utility model, a first sealing ring is fixedly connected on any one quick release head and is located outside the two through holes.

[0013] As a preferred scheme of the utility model, a second sealing ring is arranged between the fixed tube and the plug tube and is located outside the inner tube.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) In the scheme, two quick release heads are connected with a pipeline through two outer thread connecting parts, when the pipeline is replaced, the quick release assembly can be pulled to quickly disassemble and assemble the two quick release heads, thereby saving the time for connecting and disconnecting the pipeline, and when the two quick release heads are connected with the pipeline, the connecting angle can be adjusted, and after the angle is adjusted, the quick release assembly and the positioning assembly can fix the two quick release heads at the required connecting angle, thereby meeting the use of pipelines with different angles and having wide application range. DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3 For the utility model Figure 2 A place enlarged view of

[0020] Figure 4 For the utility model one quick release head structure diagram

[0021] Figure 5 For the utility model another quick release head structure diagram.

[0022] Figure label explanation

[0023] 1, quick release head, 2, external thread connection part, 3, through hole, 41, fixed tube, 42, inner tube, 43, cannula, 44, pull rod, 45, spring, 46, retraction groove, 47, limit groove, 48, ball clamping group, 51, tooth groove, 52, clamping tooth, 6, positioning sealing groove, 7, positioning sealing ring, 8, first sealing ring, 9, second sealing ring. Specific embodiments

[0024] The technical schemes in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment

[0028] Please refer to Figures 1-5 , the outer thread quick connector, including two quick release head 1, two quick release head 1 between detachable connection, two quick release head 1 away from one end of the fixed connection with the outer thread connection 2, two quick release head 1 are provided with through hole 3, and two through hole 3 corresponding to each other, two quick release head 1 between the quick release assembly and positioning assembly, quick release assembly for two quick release head 1 between the quick disassembly, positioning assembly for fixing the connection angle between two quick release head 1.

[0029] In this embodiment, two quick release head 1 are respectively connected by two outer thread connection 2 pipe, when the connection between the pipe, by adjusting the connection angle between two quick release head 1, the use of quick release assembly between two quick release head 1 fixed connection, positioning assembly makes the two quick release head 1 after connection in the current connection angle remains stable, two through hole 3 corresponding to each other, so that two quick release head 1 complete pipe between the quick connection, when the pipe needs to be removed, by pulling the quick release assembly cancel the restriction of two quick release head 1, two quick release head 1 down to complete the removal.

[0030] Specifically, the quick release assembly includes fixed tube 41, inner tube 42, plug tube 43, pull rod 44, spring 45, retraction groove 46, limit groove 47 and card bead group 48, fixed tube 41 is fixedly connected to one quick release head 1, and the fixed tube 41 through two through hole 3, the inner tube 42 is fixedly connected to the circumferential inner wall of the fixed tube 41, the plug tube 43 is fixedly connected to the other quick release head 1, and the plug tube 43 is inserted between the fixed tube 41 and the inner tube 42 through two through hole 3, the pull rod 44 is slidingly connected in the fixed tube 41 and the inner tube 42, and one end of the pull rod 44 penetrates to one side of the quick release head 1, the spring 45 is sleeved on the circumferential surface of the pull rod 44, and the spring 45 is located in the fixed tube 41, the retraction groove 46 is provided on the circumferential surface of the pull rod 44, and the retraction groove 46 is located in the inner tube 42, the limit groove 47 is provided on the circumferential inner wall of the plug tube 43, the card bead group 48 is arranged in the inner tube 42, and the card bead group 48 penetrates the inner tube 42 and matches with the retraction groove 46 and the limit groove 47.

[0031] In this embodiment, when the two quick release heads 1 are connected, the spring 45 is compressed by pulling the pull rod 44, the retraction groove 46 corresponds to the clamping bead set 48, then the insertion tube 43 is inserted between the fixed tube 41 and the inner tube 42, the two through holes 3 correspond to each other to make the two quick release heads 1 pass through, the insertion tube 43 is inserted, the limiting groove 47 corresponds to the clamping bead set 48, the clamping bead set 48 retracts into the retraction groove 46, the pull rod 44 is reset under the action of the spring 45, the clamping bead set 48 is ejected from the retraction groove 46 into the limiting groove 47 through the inner tube 42, the insertion tube 43 and the inner tube 42 are limited by the limiting groove 47 and the clamping bead set 48, the insertion tube 43 is fixed in the fixed tube 41, and the connection between the two quick release heads 1 is completed; wherein the clamping bead set 48 is always in the state of penetrating the inner tube 42, whether it is retracted into the retraction groove 46 or clamped into the limiting groove 47, it is located in the inner tube 42, when the two quick release heads 1 need to be disassembled, the retraction groove 46 corresponds to the clamping bead set 48 by pulling the pull rod 44, at this time the two quick release heads 1 are pulled out, the insertion tube 43 enables the clamping bead set 48 to retract into the inner tube 42 into the retraction groove 46, the clamping bead set 48 will not limit the insertion tube 43, so as to complete the quick release between the two quick release heads 1.

[0032] Specifically, the positioning assembly comprises a tooth groove 51 and a clamping tooth 52, the tooth groove 51 is provided on one quick release head 1, and the clamping tooth 52 is fixedly connected to the other quick release head 1, and the clamping tooth 52 is matched with the tooth groove 51.

[0033] In this embodiment, when the two quick release heads 1 are connected, the clamping tooth 52 will be inserted into the tooth groove 51, the tooth groove 51 and the clamping tooth 52 are clamped with each other, so that the connection angle of the two quick release heads 1 is kept stable.

[0034] Specifically, a positioning sealing groove 6 is provided on one quick release head 1, and a positioning sealing ring 7 is fixedly connected to the other quick release head 1, and the positioning sealing ring 7 is matched with the positioning sealing groove 6.

[0035] In this embodiment, when the two quick release heads 1 are connected, the positioning sealing ring 7 will be inserted into the positioning sealing groove 6, the insertion of the positioning sealing groove 6 and the positioning sealing ring 7 facilitates the connection and positioning between the two quick release heads 1, and at the same time guarantees the sealing effect after the connection of the two quick release heads 1.

[0036] Specifically, a first sealing ring 8 is fixedly connected to any one quick release head 1, and the first sealing ring 8 is located outside the two through holes 3.

[0037] In this embodiment, the first sealing ring 8 is provided on any one quick release head 1, and the other quick release head 1 will contact the first sealing ring 8 when connected, and the first sealing ring 8 improves the sealing performance when the two quick release heads 1 are connected.

[0038] Specifically, the second sealing ring 9 is arranged between the fixed pipe 41 and the insertion pipe 43 and located outside the inner pipe 42.

[0039] In the embodiment, the second sealing ring 9 is arranged on the fixed pipe 41 or the insertion pipe 43, so that the sealing performance between the fixed pipe 41 and the insertion pipe 43 is improved, and fluid in the pipeline is prevented from leaking from the connection between the fixed pipe 41 and the insertion pipe 43.

[0040] Working principle: the two quick release heads 1 are threadedly connected to the pipeline through the two outer threaded connection parts 2, when the pipeline is connected, the connection angle between the two quick release heads 1 is adjusted, the spring 45 is compressed by pulling the pull rod 44, the retraction groove 46 corresponds to the clamping bead set 48, then the insertion pipe 43 is inserted into the position between the fixed pipe 41 and the inner pipe 42, the two through holes 3 correspond to each other to make the two quick release heads 1 penetrate through each other, the insertion pipe 43 is inserted into the position, the clamping bead set 48 is retracted into the retraction groove 46, the pull rod 44 is reset under the elastic force of the spring 45 by loosening the pull rod 44, the clamping bead set 48 is pushed out of the retraction groove 46 and enters the limiting groove 47 penetrating through the inner pipe 42, the insertion pipe 43 and the inner pipe 42 are limited by the limiting groove 47 and the clamping bead set 48, so that the insertion pipe 43 is fixed in the fixed pipe 41, the connection between the two quick release heads 1 is completed, at the same time, the clamping teeth 52 are inserted into the tooth groove 51, so that the two quick release heads 1 connected at the current connection angle remain stable, when the pipeline needs to be disassembled, the retraction groove 46 corresponds to the clamping bead set 48 by pulling the pull rod 44, at this time, the two quick release heads 1 are pulled, the insertion pipe 43 makes the clamping bead set 48 retract into the inner pipe 42 and enter the retraction groove 46, the clamping bead set 48 does not limit the insertion pipe 43, so that the disassembly between the two quick release heads 1 is completed.

[0041] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Male quick coupling comprising two quick couplers (1), characterized in that: Two quick release heads (1) are detachably connected, and the distal ends of the two quick release heads (1) are fixedly connected with external thread connection parts (2). Through holes (3) are formed in the two quick release heads (1) and correspond to each other. Quick release assemblies and positioning assemblies are arranged between the two quick release heads (1). The quick release assemblies are used for quick disassembly and assembly between the two quick release heads (1), and the positioning assemblies are used for fixing the connection angle between the two quick release heads (1).

2. The male quick-change coupling of claim 1, wherein: The quick release assembly comprises a fixed pipe (41), an inner pipe (42), a plug pipe (43), a pull rod (44), a spring (45), a retraction groove (46), a limiting groove (47) and a clamping bead group (48). The fixed pipe (41) is fixedly connected in one quick release head (1) and penetrates the two through holes (3). The inner pipe (42) is fixedly connected to the circumferential inner wall of the fixed pipe (41). The plug pipe (43) is fixedly connected in the other quick release head (1) and penetrates the two through holes (3) and is inserted between the fixed pipe (41) and the inner pipe (42). The pull rod (44) is slidingly connected in the fixed pipe (41) and the inner pipe (42), and one end of the pull rod (44) penetrates to one side of the quick release head (1). The spring (45) is sleeved on the circumferential surface of the pull rod (44) and is located in the fixed pipe (41). The retraction groove (46) is formed in the circumferential surface of the pull rod (44) and is located in the inner pipe (42). The limiting groove (47) is formed in the circumferential inner wall of the plug pipe (43). The clamping bead group (48) is arranged in the inner pipe (42) and penetrates the inner pipe (42) and matches the retraction groove (46) and the limiting groove (47).

3. The male quick-change coupling of claim 2, wherein: The positioning assembly comprises a tooth groove (51) and a clamping tooth (52). The tooth groove (51) is formed in one quick release head (1). The clamping tooth (52) is fixedly connected to the other quick release head (1) and matches the tooth groove (51).

4. The male quick exchange coupling of claim 3, wherein: A positioning sealing groove (6) is formed in one quick release head (1). A positioning sealing ring (7) is fixedly connected to the other quick release head (1) and matches the positioning sealing groove (6).

5. The male quick exchange coupling of claim 4, wherein: A first sealing ring (8) is fixedly connected to any one quick release head (1) and is located outside the two through holes (3).

6. The male quick exchange coupling of claim 5, wherein: A second sealing ring (9) is arranged between the fixed pipe (41) and the plug pipe (43) and is located outside the inner pipe (42).

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