Pressure measuring hose connector structure with threaded damping and soft and hard combined sealing

By designing a threaded damping and soft-hard combined sealing structure, the problems of slippage and increased flow rate during the disassembly and installation of the pressure testing hose connector are solved, enabling rapid disassembly, installation, and flow rate buffering, ensuring sealing and protection of the pressure gauge.

CN224079774UActive Publication Date: 2026-04-03ZHEJIANG HENGZHAN MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing pressure testing hose connectors are prone to stripping during disassembly and installation, leading to decreased sealing performance. Furthermore, the increased flow rate under high pressure impact may damage the pressure gauge.

Method used

It adopts a threaded damping and soft-hard combined sealing structure, and achieves quick disassembly and installation through the cooperation of sliding sleeve, fixed ball and spring, and buffers the flow rate through the design of contact rod and groove.

Benefits of technology

It enables quick disassembly and installation of the pressure testing hose, prevents stripping, maintains sealing, and automatically buffers the flow rate under high pressure to protect the pressure gauge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pressure measuring hose connectors, in particular to a pressure measuring hose connector structure with threaded damping and soft and hard combined sealing, which comprises a hose connector, an open pipe connector is detachably connected onto the hose connector, a connecting structure comprises a first fixing ring, and the first fixing ring is slidably connected into the hose connector. A first groove is formed in the first fixing ring, a first abutting rod is slidably connected into the first fixing ring and abuts against the hose connector, a second fixing ring is slidably connected into the open pipe connector, a second groove is formed in the second fixing ring, a second abutting rod is slidably connected into the second fixing ring, and the second abutting rod abuts against the open pipe connector. The fixing ball is slidably connected into the open pipe connector, the fixing groove is formed in the outer end of the hose connector, the fixing ball and the fixing groove are clamped, the pressure measuring hose can be rapidly disassembled and assembled, and the flow speed in the pressure measuring hose can be buffered.
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Description

Technical Field

[0001] This utility model relates to a pressure testing hose connector structure, specifically a pressure testing hose connector structure with threaded damping and a combination of soft and hard seals, belonging to the technical field of pressure testing hose connectors. Background Technology

[0002] Pressure testing of a hydraulic system, or normal pressure display of a hydraulic system product, is generally performed by connecting a pressure testing hose to the open pipe of the hydraulic system through a hose connector.

[0003] The existing patent application number 202023200403.0 describes a pressure testing hose connector structure with threaded damping and a combination of soft and hard seals. This device uses a damping screw structure, which forms a pressure isolation and flow restriction through the mating threads. For high-pressure impact conditions, the impact pressure is released one turn at a time through the mating threads, resulting in good buffering effect and more stable and accurate pressure display, effectively protecting the pressure gauge. However, when the pressure testing hose needs to be disassembled to test other units, the back-and-forth disassembly can easily cause stripping between the hose connector and the pressure testing hose. Prolonged use can easily lead to leakage. Moreover, when passing through the damping screw, the flow space changes from large to small, which can increase the flow rate and cause the pressure gauge to be damaged by the excessively fast flow into the pressure testing hose. Utility Model Content

[0004] The purpose of this invention is to provide a pressure testing hose connector structure with threaded damping and a combination of soft and hard seals to solve the above problems. This structure enables quick disassembly and installation of the pressure testing hose and also buffers the internal flow velocity.

[0005] This utility model achieves the above-mentioned objective through the following technical solution: a pressure testing hose connector structure with threaded damping and a combination of soft and hard sealing, comprising a hose connector, a detachably connected opening connector, and a connecting structure installed on the hose connector and the opening connector. The connecting structure includes a first fixing ring, which is slidably connected inside the hose connector. The first fixing ring has a first groove and a first abutting rod slidably connected inside the first fixing ring, which abuts against the hose connector. A second fixing ring is slidably connected inside the opening connector, which has a second groove and a second abutting rod slidably connected inside the second fixing ring, which abuts against the opening connector. A fixing ball is slidably connected inside the opening connector. A fixing groove is provided at the outer end of the hose connector, and the fixing ball engages with the fixing groove. A sliding sleeve is slidably connected to the opening connector, which abuts against the fixing ball. A first spring is fixedly connected between the sliding sleeve and the opening connector. Second springs are fixedly connected between the hose connector, the first fixing ring, the opening connector, and the second fixing ring.

[0006] Preferably, the first groove is provided in a circular array of multiple grooves, and the second groove is provided in a circular array of multiple grooves.

[0007] Preferably, the first abutment rod has a convex shape, the second abutment rod has a convex shape, and the first abutment rod and the second abutment rod abut against each other.

[0008] Preferably, multiple fixed spheres are arranged in a circular array, and the fixed spheres as a whole have a spherical shape.

[0009] Preferably, the fixing groove and the sliding sleeve are both circular in shape.

[0010] Preferably, a limiting ring is fixedly connected to the side end of the opening pipe joint, and the limiting ring abuts against the sliding sleeve.

[0011] Preferably, a first retaining ring is fixedly connected inside the hose connector, and the first retaining ring abuts against a first fixing ring.

[0012] Preferably, a second retaining ring is fixedly connected inside the opening joint, and the second retaining ring and the second fixing ring abut against each other.

[0013] Preferably, a sealing ring is fixedly connected to both the first and second abutting rods, and the two sealing rings respectively abut against the corresponding hose connector and pipe opening connector.

[0014] Preferably, a sealing ring is fixedly connected inside the opening joint, and the sealing ring abuts against the hose joint.

[0015] The beneficial effects of this utility model are as follows: When connecting the pressure testing hose and the opening connector, push the sliding sleeve outward. After the sliding sleeve and the fixed ball separate, insert the hose connector into the opening connector. The contact between the hose connector and the fixed ball causes the fixed ball to slide within the opening connector. After the hose connector is inserted into the opening connector, the fixed ball and the fixed groove engage. Release the sliding sleeve, and the elastic force of the first spring will cause the sliding sleeve to return to its original position. When the sliding sleeve contacts the fixed ball again, the hose connector and the opening connector can be separated. Conversely, when it is necessary to remove the pressure testing hose, slide the sliding sleeve again. When the sliding sleeve and the fixed ball no longer contact each other, the hose connector can be removed from the opening connector. Therefore, the pressure testing hose can be quickly disassembled and installed. To prevent stripping of the threads due to repeated disassembly and reassembly of the pressure testing hose and the opening pipe, thus affecting its sealing performance, the hose connector is inserted into the opening pipe connector. When the hose connector is inserted into the opening pipe connector, the first and second abutment rods collide, causing them to slide towards both ends. Therefore, after the first and second abutment rods separate from the hose connector and the opening pipe connector respectively, the liquid in the opening pipe connector can flow into the hose connector. Thus, when the hose connector is removed, the opening pipe is automatically sealed. At the same time, the first fixing ring, the first groove, the second fixing ring, and the second groove can buffer the liquid flowing into the pressure testing hose, preventing the flow rate from increasing and damaging the pressure gauge when screw damping is required. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure of the hose connector and the pipe opening connector of this utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between the first fixing ring and the first abutting rod of this utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure between the second fixing ring and the second contact rod of this utility model.

[0020] In the diagram: 1. Hose connector; 2. Opening connector; 3. Connection structure; 301. First fixing ring; 302. First groove; 303. First abutment rod; 304. Second fixing ring; 305. Second groove; 306. Second abutment rod; 307. Fixing ball; 308. Fixing groove; 309. Sliding sleeve; 310. First spring; 311. Limiting ring; 312. First retaining ring; 313. Second retaining ring; 314. Sealing ring; 315. Sealing ring; 316. Second spring. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-4 As shown, a pressure testing hose connector structure with threaded damping and a combination of soft and hard seals includes a hose connector 1, a detachable opening connector 2 connected to the hose connector 1, and a connecting structure 3 installed on the hose connector 1 and the opening connector 2. The connecting structure 3 includes a first fixing ring 301, which is slidably connected inside the hose connector 1. The first fixing ring 301 has a first groove 302 inside it, and a first abutting rod 303 is slidably connected inside it, abutting the hose connector 1. A second fixing ring 304 is slidably connected inside the opening connector 2, and the second fixing ring 304 has a... The second groove 305, the second fixing ring 304 has a second abutment rod 306 slidably connected inside, the second abutment rod 306 abuts against the opening connector 2, the opening connector 2 has a fixing ball 307 slidably connected inside, the hose connector 1 has a fixing groove 308 at its outer end, the fixing ball 307 and the fixing groove 308 engage, the opening connector 2 has a sliding sleeve 309 slidably connected on the opening connector 2, the sliding sleeve 309 abuts against the fixing ball 307, the sliding sleeve 309 and the opening connector 2 are fixedly connected with a first spring 310, the hose connector 1 and the first fixing ring 301 are fixedly connected with the opening connector 2 and the second fixing ring 304 with a second spring 316.

[0023] As a technical optimization of this utility model, the first groove 302 is provided in a ring array with multiple grooves, and the second groove 305 is provided in a ring array with multiple grooves, so as to better buffer the liquid.

[0024] As a technical optimization of this utility model, the first abutment rod 303 is generally convex in shape, and the second abutment rod 306 is generally convex in shape. The first abutment rod 303 and the second abutment rod 306 abut against each other, thereby fixing the hose connector 1 and the opening connector 2 respectively through the first abutment rod 303 and the second abutment rod 306.

[0025] As a technical optimization of this utility model, multiple fixed balls 307 are arranged in a ring array. The fixed balls 307 are generally spherical in shape, the fixed grooves 308 are generally annular in shape, and the sliding sleeves 309 are generally annular in shape. Thus, by engaging the fixed balls 307 and the fixed grooves 308, the hose connector 1 and the pipe opening connector 2 can be fixed.

[0026] As a technical optimization of this utility model, a limiting ring 311 is fixedly connected to the side end of the opening pipe joint 2. The limiting ring 311 abuts against the sliding sleeve 309, and the limiting ring 311 can limit and fix the sliding sleeve 309.

[0027] As a technical optimization of this utility model, a first retaining ring 312 is fixedly connected inside the hose connector 1. The first retaining ring 312 abuts against the first fixing ring 301, and the first retaining ring 312 can limit the first fixing ring 301.

[0028] As a technical optimization of this utility model, a second retaining ring 313 is fixedly connected inside the opening pipe joint 2. The second retaining ring 313 abuts against the second fixing ring 304, and the second retaining ring 313 can limit the second fixing ring 304.

[0029] As a technical optimization of this utility model, sealing rings 314 are fixedly connected to both the first abutting rod 303 and the second abutting rod 306. The two sealing rings 314 respectively abut against the corresponding hose connector 1 and pipe opening connector 2. The sealing rings 314 can seal the contact point between the first abutting rod 303 and the hose connector 1 and the contact point between the second abutting rod 306 and the pipe opening connector 2.

[0030] As a technical optimization of this utility model, a sealing ring 315 is fixedly connected inside the opening connector 2. The sealing ring 315 abuts against the hose connector 1, and the sealing ring 315 can seal the hose connector 1 and the opening connector 2.

[0031] In use, when using the hose connector 1 and the pipe opening connector 2, the pressure testing hose is installed on the hose connector 1, and the pipe opening connector 2 is installed on the pipe opening. When it is necessary to connect the pressure testing hose and the pipe opening, the sliding sleeve 309 is pushed outwards. After the sliding sleeve 309 and the fixed ball 307 separate, the hose connector 1 is inserted into the pipe opening connector 2. The contact between the hose connector 1 and the fixed ball 307 causes the fixed ball 307 to slide within the pipe opening connector 2. After the hose connector 1 is inserted into the pipe opening connector 2, the fixed ball 307 and the fixing groove 308 engage. Loosen the sliding sleeve 309, and the spring force of the first spring 310 will cause the sliding sleeve 309 to return to its original position. When the sliding sleeve 309 contacts the fixed ball 307 again, it can separate the hose connector 1 and the opening connector 2. Conversely, when it is necessary to remove the pressure testing hose, slide the sliding sleeve 309 again. When the sliding sleeve 309 and the fixed ball 307 no longer contact each other, the hose connector 1 can be removed from the opening connector 2. Therefore, the pressure testing hose can be quickly disassembled and installed, preventing stripping of the threads due to repeated disassembly and reassembly of the pressure testing hose and the opening connector, which would affect its sealing performance. When connector 1 is inserted into open connector 2, it is abutted by the first abutment rod 303 and the second abutment rod 306, which causes the first abutment rod 303 and the second abutment rod 306 to slide towards both ends. Therefore, after the first abutment rod 303 and the second abutment rod 306 separate from hose connector 1 and open connector 2 respectively, the liquid in open connector 2 can flow into the inside of hose connector 1. Thus, when hose connector 1 is removed, the inside of the open connector is automatically sealed. At the same time, the first fixing ring 301, the first groove 302, and the second fixing ring 306 are used to seal the inside of the open connector. 4. The second groove 305 can buffer the liquid flowing into the pressure measuring hose. The limiting ring 311 can limit and fix the sliding sleeve 309. The first retaining ring 312 can limit the first fixing ring 301. The second retaining ring 313 can limit the second fixing ring 304. The sealing ring 314 can seal the contact point between the first abutting rod 303 and the hose connector 1 and the contact point between the second abutting rod 306 and the opening connector 2. The sealing ring 315 can seal the connection between the hose connector 1 and the opening connector 2.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0033] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A pressure hose coupling structure with threaded damping and combination of soft and hard sealing, characterized by: The utility model provides a detachable hose joint, the detachable hose joint comprises a hose joint (1), a pipe opening joint (2) is detachably connected on the hose joint (1), a connecting structure (3) is installed on the hose joint (1) and pipe opening joint (2), the connecting structure (3) comprises a first fixed ring (301), the first fixed ring (301) is slidably connected in the hose joint (1), a first recess (302) is arranged in the first fixed ring (301), a first contact lever (303) is slidably connected in the first fixed ring (301), the first contact lever (303) is in contact with the hose joint (1), a second fixed ring (304) is slidably connected in the pipe opening joint (2), a second recess (305) is arranged in the second fixed ring (304), a second contact lever (306) is slidably connected in the second fixed ring (304), the second contact lever (306) is in contact with the pipe opening joint (2), a fixed ball (307) is slidably connected in the pipe opening joint (2), a fixed groove (308) is arranged at the outer end of the hose joint (1), the fixed ball (307) is clamped with the fixed groove (308), a sliding sleeve (309) is slidably connected on the pipe opening joint (2), the sliding sleeve (309) is in contact with the fixed ball (307), a first spring (310) is fixedly connected between the sliding sleeve (309) and the pipe opening joint (2), a second spring (316) is fixedly connected between the hose joint (1) and the first fixed ring (301) and the pipe opening joint (2) and the second fixed ring (304).

2. A pressure hose coupling structure with a threaded damping and combination of soft and hard sealing according to claim 1, characterized in that: The first recess (302) is arranged in a plurality of annular array distribution relationships, and the second recess (305) is arranged in a plurality of annular array distribution relationships.

3. A pressure hose coupling with a threaded damping and a combination of soft and hard sealing according to claim 1, characterized in that: The first contact lever (303) has a convex shape structure as a whole, the second contact lever (306) has a convex shape structure as a whole, and the first contact lever (303) is in contact with the second contact lever (306).

4. A pressure hose coupling structure with a threaded damping and combination of soft and hard sealing according to claim 1, characterized in that: The fixed ball (307) is arranged in a plurality of annular array distribution relationships, and the fixed ball (307) has a spherical shape structure as a whole.

5. A pressure hose coupling structure with a threaded damping and combination of soft and hard sealing according to claim 1, characterized in that: The fixed groove (308) has a circular ring structure as a whole, and the sliding sleeve (309) has a circular ring structure as a whole.

6. A pressure hose coupling structure with a threaded damping and combination of soft and hard sealing according to claim 1, characterized in that: The pipe opening joint (2) is fixedly connected with a limiting ring (311) at one side end, and the limiting ring (311) is in contact with the sliding sleeve (309).

7. A pressure hose coupling structure with a threaded damping and combination of soft and hard sealing according to claim 1, characterized in that: The hose joint (1) is fixedly connected with a first clamping ring (312) inside, and the first clamping ring (312) is in contact with the first fixed ring (301).

8. A pressure hose coupling structure with a threaded damping and combination of soft and hard sealing according to claim 1, characterized in that: The pipe opening joint (2) is fixedly connected with a second clamping ring (313) inside, and the second clamping ring (313) is in contact with the second fixed ring (304).

9. A pressure hose coupling structure with a threaded damping and combination of soft and hard sealing according to claim 1, characterized in that: The first contact lever (303) and the second contact lever (306) are fixedly connected with sealing rings (314), and the two sealing rings (314) are in contact with the hose joint (1) and the pipe opening joint (2) respectively.

10. The pressure hose coupling structure with a threaded damping and combination of soft and hard sealing according to claim 1, characterized in that: The pipe opening joint (2) is fixedly connected with a sealing ring (315) inside, and the sealing ring (315) is in contact with the hose joint (1).

Citation Information

Patent Citations

  • Pressure measuring hose connector structure with threaded damping and soft and hard combined sealing

    CN214037284U