A stainless steel quick connect fitting

Abstract

The utility model belongs to the technical field of joint, especially a kind of stainless steel quick coupling joint;Including: quick coupling straight-through body, its both ends are formed with the communicating mounting hole inward respectively;Two quick-release assemblies are respectively arranged in the mounting hole of quick coupling straight-through body both ends;Quick-release assembly includes: core sleeve, the inner end of mounting hole is formed with positioning part, and core sleeve is slidably arranged on positioning part;Claw support seat, the outer end of mounting hole is formed with mounting part, and claw support seat is limit setting on mounting part;Claw fixed seat, it is arranged in the inside of claw support seat;Claw body, it is arranged on the junction of claw support seat and claw fixed seat;Wherein the end of core sleeve extends to inside claw support seat.

Description

Technical Field

[0001] This utility model belongs to the field of connector technology, and in particular relates to a stainless steel quick-connect connector. Background Technology

[0002] Pipe fittings are used to connect adjacent pipes. Depending on the connection method with the pipe, pipe fittings can generally be divided into threaded fittings, welded fittings, etc. Currently, quick-connect fittings are used to connect pipes. Usually, the pipe is directly inserted into the quick-connect fitting and the connection between the pipe and the fitting body is completed by tight fitting. Although this method is convenient and quick to install, the stability of the installed pipe is not good and it is easy to affect the sealing performance of the pipe connection. Utility Model Content

[0003] The purpose of this utility model is to address the aforementioned technical problems by providing a connector that is simple in structure, has good sealing performance, and is easy to install.

[0004] In view of this, the present invention provides a stainless steel quick-connect coupling, comprising: The quick-connect straight body has connecting mounting holes formed at both ends; Two quick-release components are respectively installed in the mounting holes at both ends of the quick-connect straight body; The quick-release components include: The core sleeve has a positioning part formed at the inner end of the mounting hole, and the core sleeve is slidably mounted on the positioning part; The claw support has a mounting portion formed at the outer end of the mounting hole, and the claw support is limited on the mounting portion. The jaw fixing seat is located on the inner side of the jaw support seat; The chuck body is located at the connection between the chuck support and the chuck fixing seat; The end of the core sleeve extends into the claw support seat.

[0005] In the above technical solution, the quick-release component further includes: The claw release sleeve is limited and set inside the claw support seat, and its end has a release part that can squeeze the claw body; The chuck release sleeve is coaxially positioned on the outer side of one end of the core sleeve.

[0006] Furthermore, the above technical solution also includes: An O-ring has a sealing portion formed between the positioning portion and the mounting portion of the mounting hole, and the O-ring is disposed on the sealing portion.

[0007] Furthermore, in the above technical solution, the quick-connect straight-through body also includes: A limiting edge is formed at the junction of the two mounting holes; The end of the core sleeve has a limiting part that cooperates with the limiting edge limiting.

[0008] In the above technical solution, further, the claw release sleeve extends into a claw support seat and a quick-connect straight body.

[0009] In the above technical solution, furthermore, a positioning edge that cooperates with the release part is formed at the port of the claw support.

[0010] Furthermore, the above technical solution also includes: The inner seal is located at the junction of the two mounting holes and is coaxially located on the outside of the core sleeve at the end of the core.

[0011] In the above technical solution, the sealing element further includes: The sealing body has a ring-shaped structure and is located in the middle of the quick-connect straight body, extending into the mounting holes at both ends; The limiting groove is located in the middle of the outer wall of the sealing body and is matched with the limiting edge.

[0012] In the above technical solution, the sealing element further includes: The inner support is coaxially located in the middle of the sealed body. Its cross-section is an isosceles trapezoid with the lower base integrally formed with the inner wall of the sealed body, and the hypotenuse of the inner support is matched with the limiting part.

[0013] In the above technical solution, the sealing element further includes: Two sealing rings are respectively set on the inner side of the ports at both ends of the sealing component body; Guide sections are formed at both ends of the sealing body.

[0014] The beneficial effects of this utility model are as follows: 1. The quick-release assembly facilitates the connection of pipes and fittings; 2. The installation of seals can improve the sealing performance of pipe and joint connections. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the first embodiment of this utility model; Figure 3 This is a schematic diagram of the structure of the second embodiment of the present utility model; The markings in the diagram are as follows: 1-Quick-connect straight body, 2-Core sleeve, 3-Claw support seat, 4-Claw fixing seat, 5-Claw body, 6-Claw release sleeve, 6a-Release part, 7-O-ring, 8-Limit edge, 9-Sealing body, 10-Limit groove, 11-Inner support part, 12-Sealing ring. Detailed Implementation

[0016] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0017] Example 1: This embodiment provides a stainless steel quick-connect coupling, including: The quick-connect straight body 1 has inwardly connected mounting holes at both ends; Two quick-release components are respectively installed in the mounting holes at both ends of the quick-connect straight body 1; The quick-release components include: The core sleeve 2 has a positioning part formed at the inner end of the mounting hole, and the core sleeve 2 is slidably disposed on the positioning part; The claw support 3 has a mounting portion formed at the outer end of the mounting hole, and the claw support 3 is limited and set on the mounting portion; The claw fixing seat 4 is located inside the claw support seat 3; The claw body 5 is located at the connection between the claw support 3 and the claw fixing base 4; The end of the core sleeve 2 extends into the claw support seat 3.

[0018] In this embodiment, the quick-connect straight body 1 and the claw body 5 can be made of stainless steel, while the core sleeve 2 can be made of PC material. The claw support 3 and the claw fixing seat 4 cooperate to limit the claw body 5, while the core sleeve 2 is used to insert into the pipe to be connected. During installation, the two pipes are respectively inserted into the quick-connect straight body and then into the core sleeve 2. During the pipe fixing process, the pipes will also squeeze the claw body 5, thereby fixing the pipes through the claw body 5, thus completing the pipe connection. At the same time, the core sleeve 2 is inserted into the pipe as a whole, thereby ensuring the stability and strength of the pipe connection.

[0019] Example 2: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0020] The quick-release components also include: The claw release sleeve 6 is limited and set inside the claw support base 3, and has a release part 6a at its end that can compress the claw body 5; The chuck release sleeve 6 is coaxially positioned on the outer side of one end of the core sleeve 2.

[0021] In this embodiment, the claw release sleeve 6 can squeeze the claw body 5 after the pipe is fixed, thereby releasing the pipe and disassembling the fixed pipe.

[0022] Example 3: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0023] Also includes: O-ring 7 has a sealing part formed between the positioning part and the mounting part of the mounting hole, and O-ring 7 is disposed on the sealing part.

[0024] In this embodiment, the O-ring 7 is provided to ensure the sealing performance between the inner wall of the quick-connect straight body 1 and the outer wall of the pipe.

[0025] Example 4: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0026] Quick-connect straight-through body 1 also includes: The limiting edge 8 is formed at the junction of the two mounting holes; The end of the core sleeve 2 is formed with a limiting part that cooperates with the limiting edge 8.

[0027] In this embodiment, the setting of the limiting edge 8 can limit the core sleeve 2, preventing the core sleeve 2 from being pushed into the mounting hole on the other side during pipe installation, thereby affecting the stability of the connection between the two pipes; at the same time, the setting of the limiting part can restrict the position of the core sleeve 2 when it is installed into the connected pipe.

[0028] Example 5: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0029] The claw release sleeve 6 extends into the claw support base 3 and the quick-connect straight body 1.

[0030] In this embodiment, the claw release sleeve 6 extends into a quick-connect straight body 1, which facilitates the disassembly of the pipeline and thus improves the convenience of pipeline loading and unloading.

[0031] Example 6: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0032] The port of the claw support 3 has a positioning edge that is matched with the release part 6a.

[0033] In this embodiment, the positioning edge can limit the release sleeve 6 of the chuck, preventing the release sleeve 6 of the chuck from disengaging from the connector.

[0034] Example 7: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0035] like Figure 3 As shown, it also includes: The inner seal is located at the connection of the two mounting holes and is coaxially located on the outside of the core sleeve 2 at the end of the core sleeve.

[0036] In this embodiment, the sealing element ensures the sealing performance between the two pipes when they are connected inside the quick-connect straight body 1, and also improves the sealing effect between the pipe ports and the inner wall of the quick-connect straight body 1.

[0037] Example 8: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0038] The seals include: The sealing body 9 has a ring-shaped structure and is located in the middle of the quick-connect straight body 1, extending into the mounting holes at both ends; The limiting groove 10 is located in the middle of the outer wall of the sealing body 9 and is matched with the limiting edge 8.

[0039] In this embodiment, the sealing body 9 can be made of materials such as PC or PVC. The sealing body 9 and the core sleeve 2 contact the inner and outer walls of the pipe to ensure a good sealing effect. The limiting groove 10 can prevent the sealing body 9 from shifting, thereby ensuring the stability of the pipe connection.

[0040] Example 9: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0041] The seal also includes: The inner support part 11 is coaxially disposed in the middle of the sealing body 9. Its cross-section is an isosceles trapezoid with the lower base integrally formed with the inner wall of the sealing body 9, and the hypotenuse of the inner support part 11 is matched with the limiting part for limiting.

[0042] In this embodiment, the inner support 11 limits the two core sleeves 2, thereby ensuring that the position of the core sleeves 2 does not shift too much.

[0043] Example 10: This embodiment provides a stainless steel quick-connect coupling, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0044] The seals include: Two sealing rings 12 are respectively set on the inner side of the ports at both ends of the sealing body; Guide portions are formed at both ends of the sealing body 9.

[0045] In this embodiment, the sealing ring 12 improves the sealing effect when the sealing body is connected to the pipe; while the guide portion facilitates pipe installation. The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art, under the guidance of this application, can make many other modifications without departing from the spirit and scope of the claims, all of which fall within the protection scope of this application.

Claims

1. A stainless steel quick-connect coupling, characterized in that, include: The quick-connect straight body (1) has inwardly connected mounting holes at both ends; Two quick-release components are respectively installed in the mounting holes at both ends of the quick-connect straight body (1); The quick-release assembly includes: The core sleeve (2) has a positioning part formed at the inner end of the mounting hole, and the core sleeve (2) is slidably set on the positioning part; The claw support (3) has a mounting part formed at the outer end of the mounting hole, and the claw support (3) is set on the mounting part; The claw fixing seat (4) is located inside the claw support seat (3); The claw body (5) is located at the connection between the claw support base (3) and the claw fixing base (4); The end of the core sleeve (2) extends into the claw support seat (3).

2. The stainless steel quick-connect coupling according to claim 1, characterized in that, The quick-release assembly also includes: The claw release sleeve (6) is limited and set inside the claw support seat (3), and has a release part (6a) at the end that can squeeze the claw body (5). The chuck release sleeve (6) is coaxially positioned on the outer side of one end of the core sleeve (2).

3. A stainless steel quick-connect coupling according to claim 2, characterized in that, Also includes: An O-ring (7) is formed between the positioning part and the mounting part of the mounting hole, and the O-ring (7) is disposed on the sealing part.

4. A stainless steel quick-connect coupling according to claim 1, characterized in that, Quick-connect straight-through body (1) also includes: A limiting edge (8) is formed at the junction of the two mounting holes; The end of the core sleeve (2) is formed with a limiting part that is limited to the limiting edge (8).

5. A stainless steel quick-connect coupling according to claim 2, characterized in that, The claw release sleeve (6) extends into a claw support base (3) and a quick-connect straight body (1).

6. A stainless steel quick-connect coupling according to claim 2, characterized in that, The port of the claw support (3) has a positioning edge that is limited and matched with the release part (6a).

7. A stainless steel quick-connect coupling according to claim 4, characterized in that, Also includes: The inner seal is located at the connection of the two mounting holes and is coaxially located on the outside of the core sleeve (2) at the end of the core.

8. A stainless steel quick-connect coupling according to claim 7, characterized in that, The sealing element includes: The sealing body (9) has a ring-shaped structure and is located in the middle of the quick-connect straight body (1), extending into the mounting holes at both ends; The limiting groove (10) is located in the middle of the outer wall of the sealing body (9) and is limited by the limiting edge (8).

9. A stainless steel quick-connect coupling according to claim 8, characterized in that, The sealing element further includes: The inner support part (11) is coaxially arranged in the middle of the sealing body (9). Its cross-section is an isosceles trapezoid with the lower base integrally formed with the inner wall of the sealing body (9). The inclined side of the inner support part (11) is matched with the limiting part.

10. A stainless steel quick-connect coupling according to claim 9, characterized in that, The sealing element includes: Two sealing rings (12) are respectively set inside the ports at both ends of the sealing body; wherein guide portions are formed at the ports at both ends of the sealing body (9).

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