Self-sealing anode joint of unitary construction

Abstract

The utility model discloses a self -sealed anode joint of integral type structure, including the fixed valve seat of being equipped with in the casing, the left side opening of casing is equipped with the valve, and the spring is equipped between the valve and valve seat, is equipped with the limit snap ring in the casing, and the circumference outer edge of limit snap ring is equipped with a plurality of clamping claws, and the clamping end of clamping claw all is equipped with the clamping hook, and the whole limit snap ring is conical cover shape structure, and the circumference outer wall of valve is equipped with the annular groove, and the clamping hook on limit snap ring all clamps in the annular groove, the left side opening small right side opening big conical neck of casing left side opening portion is equipped, and the circumference outer edge diameter of clamping claw part on limit snap ring is greater than the diameter of conical neck left side opening, and the clamping hook of limit snap ring is abutted on the conical face of conical neck, the utility model has the advantages of simple structure, good sealing, convenient installation and use, high product reliability, good valve anti -drop effect etc.

Description

Technical Field

[0001] This utility model relates to the field of self-sealing anode connector technology, specifically a self-sealing anode connector with an integrated structure. Background Technology

[0002] Self-sealing couplings are a type of accessory widely used in the gas and fluid fields. They are special devices that allow for quick connection or disconnection of pipelines, enabling rapid assembly and disassembly. Due to their quick insertion and removal capabilities, they are widely used in fields such as construction, railways, mining hydraulic tools, petroleum, metallurgy, hydropower, shipbuilding, and electromechanical equipment.

[0003] Patent publication number CN102230542B discloses a core-fixing connector valve and a self-sealing connector assembly using the core-fixing connector valve. The self-sealing anode connector is formed by the mutual threaded connection of the second valve body and the second threaded connector to form the housing of the moving core connector valve. However, the connection between the second valve body and the second threaded connector requires sealing rings or sealing gaskets to ensure the external sealing of the product, and requires thread sealant or fuse for anti-loosening and locking. This results in problems such as complex structure, inconvenient installation, poor sealing performance, and low product reliability. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a self-sealing anode connector with an integrated structure. It has a simple structure, good sealing performance, convenient installation and use, high product reliability, and good anti-detachment effect of the valve, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a self-sealing anode connector with an integrated structure, including a housing, the housing having a through hole penetrating both the front and rear ends, a valve seat fixedly installed inside the housing, a valve with an opening on the left side of the housing, and a spring between the valve and the valve seat; a limiting ring for preventing the valve from dislodging is also provided inside the housing, the limiting ring having multiple elastically deformable claws evenly spaced on its outer circumference, the claws having inwardly bent hooks at their engaging ends, the claws and the limiting ring being an integral structure and forming a conical sleeve structure, the inner end of the outer circumference of the valve having an annular groove, the hooks of the claws on the limiting ring engaging in the annular groove and fixed to the valve; a conical constriction opening with a smaller left opening and a larger right opening is provided at the left opening of the housing, and the outer circumference diameter of the claw portion of the limiting ring is larger than the diameter of the left opening of the conical constriction opening, the hooks of the limiting ring abutting against the conical surface of the conical constriction opening.

[0006] Furthermore, the taper of the conical constriction is 24°.

[0007] Furthermore, the valve seat includes a conduit, and multiple abutment supports are evenly spaced on the outer circumference of the conduit. A limiting step is provided inside the housing at the position corresponding to the valve seat, and the abutment support of the valve seat abuts against the limiting step. A guide rod is provided at the center of the right end of the valve, and the guide rod is slidably sleeved inside the conduit.

[0008] Furthermore, a sealing groove is provided at the left side opening of the housing, located on the left side of the tapered constriction. A sealing ring is provided in the sealing groove, and a sealing retaining ring is also provided in the sealing groove to the left of the sealing ring.

[0009] Furthermore, the opening on the right side of the housing is a trapezoidal threaded interface.

[0010] Compared with the prior art, the beneficial effects of this utility model are: the self-sealing anode connector with an integrated structure has a shell as an integral structure, and the valve seat, spring, limit ring and valve are installed in the shell to form an integral self-sealing anode connector, avoiding the mutual connection between the two shells. The structure is simple, the sealing performance is good, the installation and use are convenient, the product reliability is high, and the valve anti-detachment effect is good. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is an exploded view of the present invention; Figure 3 This is a schematic diagram of the limiting ring structure of this utility model; Figure 4 This is a cross-sectional view of the present invention; Figure 5 This is a cross-sectional view of the casing of this utility model; Figure 6 This is a side view of the valve seat of this utility model.

[0012] In the diagram: 1. Housing; 11. Trapezoidal threaded interface; 12. Limiting step; 13. Tapered constriction; 14. Sealing groove; 2. Valve seat; 21. Abutment support; 22. Guide tube; 3. Spring; 4. Limiting retaining ring; 41. Claw; 42. Hook; 5. Valve; 51. Guide rod; 6. Sealing ring; 7. Sealing retaining ring. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0014] Please see Figure 1-6 This utility model provides a technical solution: a self-sealing anode connector with an integrated structure, including a housing 1, the housing 1 having a through hole extending through both the front and rear ends, a valve seat 2 fixedly disposed inside the housing 1, the valve seat 2 including a guide tube 22, a plurality of abutment supports 21 evenly disposed on the outer circumference of the guide tube 22, a limiting step 12 disposed inside the housing 1 at the position corresponding to the valve seat 2, and the abutment supports 21 of the valve seat 2 abutting against the limiting step 12; a valve 5 is provided at the left opening of the housing 1, a guide rod 51 is provided at the center of the right end of the valve 5, the guide rod 51 is slidably sleeved inside the guide tube 22, and a spring 3 is provided between the valve 5 and the valve seat 2; a limiting retaining ring 4 is also provided inside the housing 1 to prevent the valve 5 from falling out; The outer circumference of the limiting ring 4 is provided with multiple elastically deformable claws 41 at equal intervals. The engaging end of each claw 41 is provided with an inwardly bent hook 42. The claws 41 and the limiting ring 4 are an integral structure and the whole is a conical sleeve structure. The inner end of the outer circumference of the valve 5 is provided with an annular groove. The hooks 42 of the claws 41 on the limiting ring 4 are engaged in the annular groove and fixed to the valve 5. The left opening of the housing 1 is provided with a conical constriction 13 with a smaller opening on the left and a larger opening on the right. The outer circumference diameter of the claws 41 on the limiting ring 4 is larger than the diameter of the left opening of the conical constriction 13. The hooks 42 of the limiting ring 4 abut against the conical surface of the conical constriction 13, effectively preventing the valve 5 from coming out of the housing 1. In this embodiment, the taper of the conical constriction 13 is 24°.

[0015] A sealing groove 14 is provided at the left opening of the housing 1, located to the left of the tapered constriction 13. A sealing ring 6 is provided in the sealing groove 14, and a sealing retaining ring 7 is also provided to the left of the sealing ring 6 in the sealing groove 14. The sealing ring 6 seals the closed valve 5, and the sealing retaining ring 7 prevents the sealing ring 6 from coming out of the housing 1. The right opening of the housing 1 is a trapezoidal threaded interface 11, which is used to connect external pipelines (cathode connectors) and has a good anti-loosening effect.

[0016] During assembly: starting from the left end of housing 1, install valve seat 2, spring 3, limit ring 4 and valve 5 in sequence. Then, use the workpiece to open the limit ring 4 and fit it onto valve seat 2, and make the hook 42 of the limit ring 4 engage in the annular groove, so that the self-sealing anode connector forms a whole. The spring 3 makes the hook 42 of the limit ring 4 abut against the tapered constriction 13 of housing 1.

[0017] The self-sealing anode connector with an integrated structure disclosed in this embodiment has a housing 1 as an integral structure, and the valve seat 2, spring 3, limit ring 4 and valve 5 are installed in the housing 1 to form an integral self-sealing anode connector, which avoids the interconnection between the two housings. The structure is simple, the sealing performance is good, the installation and use are convenient, the product reliability is high, and the valve 5 has a good anti-detachment effect.

[0018] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-sealing anode connector with an integrated structure, comprising a housing, characterized in that: The housing has a through hole extending through both the front and rear ends. A valve seat is fixed inside the housing. A valve is located at the left opening of the housing, and a spring is provided between the valve and the valve seat. The housing also has a limiting ring to prevent the valve from dislodging. The outer circumference of the limiting ring has multiple elastically deformable claws at equal intervals. The engaging ends of the claws are all provided with inwardly bent hooks. The claws and the limiting ring are an integral structure and have a conical sleeve structure. The inner end of the outer circumference of the valve has an annular groove. The hooks of the claws on the limiting ring are engaged in the annular groove and fixed to the valve. The left opening of the housing has a conical constriction with a smaller left opening and a larger right opening. The outer circumference diameter of the claw part on the limiting ring is larger than the diameter of the left opening of the conical constriction. The hooks of the limiting ring abut against the conical surface of the conical constriction.

2. The self-sealing anode connector with an integrated structure according to claim 1, characterized in that: The taper of the conical constriction is 24°.

3. The self-sealing anode connector with an integrated structure according to claim 1, characterized in that: The valve seat includes a guide tube, and multiple abutment supports are evenly spaced on the outer circumference of the guide tube. A limiting step is provided inside the housing at the position corresponding to the valve seat, and the abutment support of the valve seat abuts against the limiting step. A guide rod is provided at the center of the right end of the valve, and the guide rod is slidably sleeved inside the guide tube.

4. The self-sealing anode connector with an integrated structure according to claim 1, characterized in that: A sealing groove is provided at the left side opening of the housing, located on the left side of the tapered constriction. A sealing ring is provided in the sealing groove, and a sealing retaining ring is also provided in the sealing groove to the left of the sealing ring.

5. The self-sealing anode connector with an integrated structure according to claim 1, characterized in that: The opening on the right side of the housing is a trapezoidal threaded interface.

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