Hydraulic inner guide quick-change connector

Abstract

The utility model discloses a hydraulic inner guide quick-change connector, which belongs to the technical field of hydraulic equipment and comprises a female connector and a male connector which are connected with each other. The female connector and the male connector are each provided with a cavity and an assembly opening which are communicated, the female connector and / or the male connector comprises a first flange, a valve element and a guiding piece, the first flange is arranged on the inner wall of the cavity in a surrounding mode, the guiding piece and the valve element are arranged in the cavity, the valve element is located on the side, away from the assembly opening, of the guiding piece, and the guiding piece comprises a guiding section and a connecting section which are connected. The guiding section is movably connected with the valve element. The connecting section is connected with the inner wall of the cavity. The guide piece further comprises a second flange, and the second flange is connected with the connecting section, at least partially located on the side, back to the inner wall of the cavity, of the first flange and connected with the first flange. And the second flange and the first flange are in limiting fit, so that the guide piece is prevented from shaking in the cavity, the valve element keeps consistent concentricity in the cavity, and the sealing performance and the circulation amount of the quick-change connector are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic equipment, and more specifically to a hydraulic internal guide quick-release joint. Background Art

[0002] Quick-release joints include hydraulic quick-release joints and various fluid quick-release joints, which are special devices for quickly connecting or disconnecting pipelines to achieve quick disassembly and assembly.

[0003] Currently, quick-release joints mainly include main components such as female joints and male joints. During actual assembly and use, the inside of the quick-release joint is prone to shaking, causing the valve cores inside the female joint and / or male joint to fail to maintain concentricity, affecting the sealing performance and flow rate of the quick-release joint. Summary of the Utility Model

[0004] Purpose of the utility model: The embodiments of this application provide a hydraulic internal guide quick-release joint, aiming to overcome the technical problem that the inside of the current quick-release joint is prone to shaking.

[0005] Technical solution: The embodiments of this application provide a hydraulic internal guide quick-release joint, including a connected female joint and male joint;

[0006] Both the female joint and the male joint have a connected chamber and an assembly port. The female joint and / or the male joint includes a first flange, a valve core, and a guide member. The first flange is disposed around the inner wall of the chamber. The guide member and the valve core are disposed inside the chamber, and the valve core is located on the side of the guide member away from the assembly port. The guide member includes a connected guiding section and a connecting section. The guiding section is movably connected to the valve core, and the connecting section is connected to the inner wall of the chamber;

[0007] The guide member further includes a second flange. The second flange is disposed around the side of the connecting section facing the valve core and is connected to the connecting section. At least part of the second flange is located on the side of the first flange facing away from the inner wall of the chamber and is connected to the first flange.

[0008] In some embodiments, the first flange includes a first wall located on the side of the first flange facing away from the inner wall of the chamber, the second flange includes a second wall located on the side of the second flange facing the first flange, and the first wall is connected to the second wall.

[0009] In some embodiments, the connecting section includes a third wall located on the side of the connecting section facing the valve core, the first flange includes a fourth wall located on the side of the first flange facing the assembly port, and the third wall is connected to the fourth wall.

[0010] In some embodiments, the valve core has a guide groove, the guide groove is formed on a side of the valve core facing the assembly port, and at least a part of the guiding section penetrates through the guide groove and is slidably engaged with the valve core.

[0011] In some embodiments, the female connector and / or the male connector further includes: an elastic member, the elastic member is received in the guide groove and is respectively connected to the guiding section and the valve core, and the elastic member is configured to elastically deform under the drive of the valve core.

[0012] In some embodiments, the guiding section includes a boss, the boss is disposed at one end of the guiding section facing the elastic member, and the boss is connected to the elastic member.

[0013] In some embodiments, a first flow channel is formed between the valve core and the inner wall of the chamber, and a through hole is formed in the valve core, and the through hole communicates the guide groove with the first flow channel.

[0014] In some embodiments, the connecting section is disposed around one end of the guiding section away from the valve core, and a diversion channel is formed between the connecting section and the guiding section, and the diversion channel communicates with the chamber.

[0015] In some embodiments, the valve core includes a first abutting portion, the first abutting portion is located on a side of the valve core facing the inner wall of the chamber, the first abutting portion is configured to be able to abut against the inner wall of the chamber, and an annular groove is formed in the first abutting portion;

[0016] The female connector and the male connector further include a sealing ring, the sealing ring is sleeved in the annular groove for realizing a sealed connection between the valve core and the inner wall of the chamber.

[0017] In some embodiments, the guiding section and the connecting section are of an integral structure.

[0018] Beneficial effects: The hydraulic inner guide quick-change joint of the embodiment of the present application includes a connected female connector and male connector; the female connector and / or the male connector has a chamber and an assembly port that are connected, the female connector and / or the male connector includes a first flange, a valve core and a guiding member, the first flange is disposed around the inner wall of the chamber, the guiding member and the valve core are disposed in the chamber, and the valve core is located on a side of the guiding member away from the assembly port, the guiding member includes a connected guiding section and a connecting section, the guiding section is movably connected to the valve core, and the connecting section is connected to the inner wall of the chamber; the guiding member further includes a second flange, the second flange is disposed around a side of the connecting section facing the valve core and is connected to the connecting section, and at least a part of the second flange is located on a side of the first flange facing away from the inner wall of the chamber and is connected to the first flange. By forming a limiting fit between the second flange and the first flange, the guiding member is prevented from shaking inside the chamber, so that the valve core maintains a consistent concentricity inside the chamber, improving the sealing performance and flow rate of the quick-change joint. Brief Description of the Drawings

[0019] Figure 1 Fig. 1 is a schematic perspective view of the female connector and the male connector of a hydraulic internal guide quick-release connector of the present utility model before assembly;

[0020] Figure 2 Fig. 2 is a left view schematic diagram of a hydraulic internal guide quick-release connector of the present utility model;

[0021] Figure 3 Fig. 3 is Figure 2 a schematic cross-sectional view taken along the A-A direction in Fig. 1;

[0022] Figure 4 Fig. 4 is Figure 3 a schematic enlarged partial view at B in Fig. 1;

[0023] Figure 5 Fig. 5 is a schematic diagram of the positional relationship between the internal valve core and the guiding member of a hydraulic internal guide quick-release connector of the present utility model;

[0024] Figure 6 Fig. 6 is a front view schematic diagram of the internal valve core and the guiding member of a hydraulic internal guide quick-release connector of the present utility model;

[0025] Figure 7 Fig. 7 is Figure 6 a schematic cross-sectional view taken along the C-C direction in Fig. 5;

[0026] Figure 8 Fig. 8 is a schematic cross-sectional view taken along the A-A direction after the female connector and the male connector of a hydraulic internal guide quick-release connector of the present utility model are assembled;

[0027] In the figures: 1, female connector; 2, male connector; 10, chamber; 100, assembly port; 11, first flange; 12, valve core; 13, guiding member; 131, guiding section; 132, connecting section; 133, second flange; 111, first wall; 1331, second wall; 1332, third wall; 112, fourth wall; 121, guide groove; 14, elastic member; 120, first flow channel; 1200, through hole; 1320, diversion channel; 122, first abutting portion; 1220, annular groove; 15, sealing ring. Detailed Description of the Preferred Embodiments

[0028] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0029] In the description of the present application, it should be understood that the orientation or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. In the description of the present application, the meaning of "a plurality" is two or more, and at least one means one, two, or more, unless otherwise specifically and clearly defined. Terms such as "first", "second", "third", etc. are only used for convenient description to name components or embodiments by numbers, and do not imply an importance ranking between components or between embodiments.

[0030] As a preamble to the embodiments of the present application, the quick-release connector mainly includes main components such as a female connector and a male connector. During the actual assembly and use process, it is easy for the inside of the quick-release connector to shake, causing the valve core inside the female connector and / or male connector to easily deviate, and unable to keep the valve core concentric with the housing of the quick-release connector; this affects the sealing performance and flow rate of the quick-release connector. At the same time, the existing quick-release connectors have many components and a complex internal structure, resulting in low overall assembly efficiency.

[0031] In view of this, the embodiments of the present application provide a hydraulic internally-guided quick-release connector, aiming to solve at least one of the above technical problems.

[0032] Please refer to Figures 1 to 3 As shown, the embodiments of the present application provide a hydraulic internally-guided quick-release connector, including a connected female connector 1 and male connector 2; both the female connector 1 and the male connector 2 have a connected chamber 10 and an assembly port 100. Among them, the assembly port 100 of the female connector 1 is configured to be connected to the oil port of a hydraulic component, and the assembly port 100 of the male connector 2 is configured to be connected to a tubing assembly, thereby realizing the connection between the oil port of the hydraulic component and the tubing assembly.

[0033] The female connector 1 and / or the male connector 2 includes a first flange 11, a valve core 12, and a guiding member 13. The first flange 11 is disposed around the inner wall of the chamber 10. The guiding member 13 and the valve core 12 are disposed inside the chamber 10, and the valve core 12 is located on the side of the guiding member 13 away from the assembly port 100. The guiding member 13 includes a connected guiding section 131 and a connecting section 132. The guiding section 131 is movably connected to the valve core 12, and the connecting section 132 is connected to the inner wall of the chamber 10; the guiding member 13 further includes a second flange 133. The second flange 133 is disposed around the side of the connecting section 132 facing the valve core 12 and is connected to the connecting section 132. The second flange 133 is at least partially located on the side of the first flange 11 facing away from the inner wall of the chamber 10 and is connected to the first flange 11.

[0034] It should be understood that the guide member 13 can pass through the assembly port 100 and be fixedly connected to the inner wall of the chamber 10 through the connecting section 132. At the same time, the guiding section 131 is slidably connected to the valve core 12 to provide guidance for the moving stroke of the valve core 12. During the assembly of the guide member 13, the second flange 133 can move to the side of the first flange 11 facing away from the inner wall of the chamber 10 and can form a radial limit with the first flange 11 to prevent the unstable assembly of the guide member 13 and easy shaking in the chamber 10. At the same time, it can ensure that the valve core 12 always maintains a consistent concentricity during the movement process to ensure the sealing performance and flow rate of the quick-connect fitting.

[0035] In some embodiments, the first flange 11 includes a first wall 111, the first wall 111 is located on the side of the first flange 11 facing away from the inner wall of the chamber 10, the second flange 133 includes a second wall 1331, the second wall 1331 is located on the side of the second flange 133 facing the first flange 11, and the first wall 111 is connected to the second wall 1331. By fitting the first wall 111 of the first flange 11 with the second wall 1331 of the second flange 133, the limit assembly of the guide member 13 is realized to prevent the radial shaking of the guide member 13 in the chamber 10. At the same time, through the fitting of the first wall 111 and the second wall 1331, a sealed connection is realized to improve the assembly sealing performance of the quick-connect fitting.

[0036] In some embodiments, please refer to Figure 4 As shown, the connecting section 132 includes a third wall 1332, the third wall 1332 is located on the side of the connecting section 132 facing the valve core 12, the first flange 11 includes a fourth wall 112, the fourth wall 112 is located on the side of the first flange 11 facing the assembly port 100, and the third wall 1332 is connected to the fourth wall 112. It should be understood that during the assembly of the guide member 13, through the fitting of the third wall 1332 and the fourth wall 112 of the first flange 11, a sealed connection is realized to improve the assembly sealing performance of the quick-connect fitting. At the same time, the fourth wall 112 can provide assembly positioning for the guide member 13 to prevent damage to the valve core 12 and other seals due to extrusion during the assembly of the guide member 13.

[0037] In some embodiments, please refer to Figures 5 to 7As shown, the valve core 12 has a guide groove 121. The guide groove 121 is opened on the side of the valve core 12 facing the assembly port 100. The guiding section 131 is at least partially inserted into the guide groove 121 and is slidably engaged with the valve core 12. It should be understood that the valve core 12 is slidably engaged with the guiding section 131 of the guiding member 13 through the guide groove 121, so that the valve core 12 can maintain a stable trajectory during movement, reducing the offset and swing of the valve core 12, thereby improving the guiding accuracy of the valve core 12. In addition, the opening position of the guide groove 121 is on the side of the valve core 12 facing the assembly port 100, which facilitates assembly and maintenance. During the assembly process, the guiding section 131 can be used to guide the correct position of the valve core 12 to ensure the correct assembly of the valve core 12. During the maintenance process, it is convenient to quickly disassemble and replace the valve core 12.

[0038] In some embodiments, please refer to Figure 7 As shown, the female connector 1 and / or the male connector 2 further includes an elastic member 14. The elastic member 14 is received in the guide groove 121 and is respectively connected to the guiding section 131 and the valve core 12. The elastic member 14 is configured to elastically deform under the drive of the valve core 12. The elastic member 14 can be a spring. On the one hand, the elastic member 14 is received in the guide groove 121, which can provide a moving guide for the elastic deformation of the elastic member 14, avoid uneven force on the elastic member 14, and improve stability and protection; on the other hand, the elastic member 14 can provide a moving buffer for the valve core 12 to avoid direct stress contact between the guiding section 131 and the valve core 12 and prevent extrusion deformation.

[0039] In some embodiments, the guiding section 131 includes a boss. The boss is provided at one end of the guiding section 131 facing the elastic member 14, and the boss is connected to the elastic member 14. Through the connection between the boss and the elastic member 14, the tight fit between the elastic member 14 and the guiding section 131 can be ensured, increasing the stability and reliability of the connection. The design of the boss can provide a stable connection point, enhance the force transmission and response ability, and optimize the elastic characteristics of the elastic member 14.

[0040] In some embodiments, please refer to Figure 3 and Figure 7As shown, a first flow channel 120 is formed between the valve core 12 and the inner wall of the chamber 10. A through hole 1200 is formed in the valve core 12, and the through hole 1200 connects the guide groove 121 and the first flow channel 120. It should be understood that by forming the through hole 1200 in the valve core 12, the connection between the guide groove 121 and the first flow channel 120 can be achieved. The medium can enter the first flow channel 120 from the guide groove 121 through the through hole 1200, or return from the first flow channel 120 to the guide groove 121, thus preventing the oil from overflowing into the guide groove 121 and being unable to be discharged, which may cause an increase in the pressure inside the guide groove 121 and affect the relative movement between the guide member 13 and the guide groove 121. There is no need to add a sealing washer between the guide member 13 and the guide groove 121, reducing the number of assembled parts, improving the assembly efficiency, and reducing the cost.

[0041] In some embodiments, please refer to Figure 3 As shown, the connecting section 132 is disposed around one end of the guiding section 131 away from the valve core 12. A diversion channel 1320 is formed between the connecting section 132 and the guiding section 131, and the diversion channel 1320 communicates with the chamber 10. By disposing the connecting section 132 around the guiding section 131, a larger contact area and connection strength can be provided, enhancing the connection stability and reliability between the guiding section 131 and the connecting section 132. The overall flow area of the diversion channel 1320 formed by the connecting section 132 and the guiding section 131 is larger; at the same time, the guiding section 131 can divide the medium flowing through the chamber 10 to provide functions such as diversion, mixing, or regulation, preventing the medium from directly impacting the valve core 12. The medium can enter the diversion channel 1320 from the chamber 10 and then enter the first flow channel 120 formed between the valve core 12 and the inner wall of the chamber 10, which helps to achieve the circulation of the medium.

[0042] In some embodiments, please refer to Figure 3 and Figure 6 As shown, the valve core 12 includes a first abutting portion 122. The first abutting portion 122 is located on the side of the valve core 12 facing the inner wall of the chamber 10. The first abutting portion 122 is configured to be able to abut against the inner wall of the chamber 10, and an annular groove 1220 is formed in the first abutting portion 122; the female joint 1 and the male joint 2 further include a sealing ring 15. The sealing ring 15 is sleeved in the annular groove 1220 for realizing the sealed connection between the valve core 12 and the inner wall of the chamber 10. The sealing ring is an O-ring or is adapted to the structure of the valve core. By forming the annular groove 1220 in the first abutting portion 122 and assembling the sealing ring 15 in the annular groove 1220, on the one hand, the structure is simple to assemble and has good sealing performance, and on the other hand, the sealing ring 15 can provide an assembly buffer zone to prevent the valve core 12 and the inner wall of the chamber 10 from being extruded and deformed during the assembly process, ensuring the service life of the valve core 12.

[0043] In some embodiments, the guiding section 131 and the connecting section 132 are of an integral structure. In some embodiments, the connecting section 132 is threadedly connected to the inner wall of the chamber 10.

[0044] In the above embodiments, the descriptions of the various embodiments have their own focuses. For the parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0045] The above has introduced in detail a hydraulic internal guiding quick-release joint provided by an embodiment of the present application, and specific examples have been used to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of the present application; those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A hydraulic internal guide quick-change joint, characterized in that: It comprises a female connector (1) and a male connector (2) connected to each other; The female connector (1) and the male connector (2) both have a chamber (10) and an assembly opening (100) that are in communication with each other. The female connector (1) and / or the male connector (2) include a first flange (11), a valve core (12) and a guide member (13). The first flange (11) is disposed around the inner wall of the chamber (10). The guide member (13) and the valve core (12) are disposed in the chamber (10). The valve core (12) is located on a side of the guide member (13) away from the assembly opening (100). The guide member (13) includes a guide section (131) and a connecting section (132) that are connected to each other. The guide section (131) is movably connected to the valve core (12), and the connecting section (132) is connected to the inner wall of the chamber (10). The guide member (13) further comprises a second flange (133), which is arranged around a side of the connecting section (132) facing the valve core (12) and is connected to the connecting section (132), and the second flange (133) is at least partially located on a side of the first flange (11) facing away from the inner wall of the chamber (10) and is connected to the first flange (11).

2. A hydraulic internal guide quick-change joint according to claim 1, characterized in that: The first flange (11) includes a first wall (111), and the first wall (111) is located on the side of the first flange (11) facing away from the inner wall of the chamber (10); the second flange (133) includes a second wall (1331), and the second wall (1331) is located on the side of the second flange (133) facing the first flange (11); the first wall (111) is connected to the second wall (1331).

3. A hydraulic internal guide quick-change joint according to claim 1 or 2, characterized in that: The connecting section (132) includes a third wall (1332), and the third wall (1332) is located on a side of the connecting section (132) facing the valve core (12). The first flange (11) includes a fourth wall (112), and the fourth wall (112) is located on a side of the first flange (11) facing the assembly port (100). The third wall (1332) is connected to the fourth wall (112).

4. A hydraulic internal guide quick-change joint according to claim 1, characterized in that: The valve core (12) has a guide groove (121), the guide groove (121) is opened on a side of the valve core (12) facing the assembly opening (100), and the guide section (131) is at least partially inserted into the guide groove (121) and slidably cooperates with the valve core (12).

5. A hydraulic internal guide quick-change joint according to claim 4, characterized in that: The female connector (1) and / or the male connector (2) further comprises: an elastic member (14), wherein the elastic member (14) is received in the guide groove (121) and respectively connects the guide section (131) and the valve core (12), and the elastic member (14) is configured to be elastically deformed when driven by the valve core (12).

6. A hydraulic internal guide quick-change joint according to claim 5, characterized in that: The guide section (131) comprises a boss, the boss is arranged at one end of the guide section (131) facing the elastic member (14), and the boss is connected to the elastic member (14).

7. A hydraulic internal guide quick-change joint according to claim 4, characterized in that: The valve core (12) and the inner wall of the chamber (10) form a first flow channel (120), and a through hole (1200) is provided on the valve core (12), wherein the through hole (1200) connects the guide groove (121) and the first flow channel (120).

8. The hydraulic internal guide quick-change joint according to claim 1, characterized in that: The connecting section (132) is arranged around an end of the guiding section (131) away from the valve core (12), and the connecting section (132) and the guiding section (131) form a guide channel (1320), and the guide channel (1320) is connected to the chamber (10).

9. The hydraulic internal guide quick-change joint according to claim 1, characterized in that: The valve core (12) comprises a first abutment portion (122), the first abutment portion (122) being located on a side of the valve core (12) facing the inner wall of the chamber (10), the first abutment portion (122) being configured to abut against the inner wall of the chamber (10), and an annular groove (1220) being provided on the first abutment portion (122); The female connector (1) and the male connector (2) further include a sealing ring (15), wherein the sealing ring (15) is sleeved in the annular groove (1220) and is used to achieve a sealed connection between the valve core (12) and the inner wall of the chamber (10).

10. The hydraulic internal guide quick-change joint according to claim 1, characterized in that: The guide section (131) and the connecting section (132) are an integrated structure.

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