Pressure measuring connector stable in connection
By designing structures such as elastic plates, limiting protrusions, and protective sleeves on the pressure testing connector, the problem of existing pressure testing connectors requiring rotation and disassembly is solved, achieving a stable connection and improved sealing, and avoiding damage to the threads.
Patent Information
- Application Number
- CN202520403788.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-10
AI Technical Summary
The existing pressure test connector has a simple structure, but the protective cap needs to be rotated and removed each time a measurement is taken, which makes the connection inconvenient and the threads are easily damaged by prolonged rotation.
The design incorporates an elastic plate, limiting protrusions, a protective sleeve, and a retaining ring. Combined with a threaded rod and a connecting plate, the connection stability is enhanced through limiting and sealing rings, preventing rotational disassembly.
It achieves a stable connection of the pressure test connector, avoids thread damage, and improves sealing performance and ease of assembly and disassembly.
Smart Images

Figure CN223870236U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pressure measuring connector technical field, concretely is a kind of stable connection pressure measuring connector. BACKGROUND
[0002] Pressure measuring connector is a kind of device for measuring gas or liquid pressure, is usually connected on the pipeline to be measured, mainly used to measure the pressure in pipeline, its main function is in high pressure or low pressure fluid system sampling and system pressure detection, pressure measuring connector inside usually contains a self-sealing valve, when using alone, due to the action of spring, self-sealing valve is in closed state, the metal part of pressure measuring connector is usually made of carbon steel or stainless steel, sealing element uses butyronitrile rubber or fluorine rubber, to ensure that it has good sealing performance in wider temperature range, and the structure of pressure measuring connector used in current market is relatively simple, every time measurement, protection cap needs to be rotated and disassembled, leading to inconvenient connection, while long time rotation, easy to make thread damaged, for this reason, a kind of stable connection pressure measuring connector is presented. SUMMARY
[0003] The utility model aims at providing a kind of stable connection pressure measuring connector to solve the problem that the structure of pressure measuring connector used in current market is relatively simple in the above background art, every time measurement, protection cap needs to be rotated and disassembled, leading to inconvenient connection, while long time rotation, easy to make thread damaged.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of stable connection pressure measuring connector, including pressure measuring connector main part, the side of pressure measuring connector main part is fixedly arranged with multiple elastic plates, the one end of multiple elastic plates is integrally processed with limiting protruding block, the side of pressure measuring connector main part is connected with protective sleeve, the limiting protruding block is buckled in the outer side inner wall of protective sleeve, the outer side of protective sleeve is fixedly arranged with fixed ring, the inside of protective sleeve is embedded with sealing ring, one end of protective sleeve is fixedly connected with connector, the outer side of connector is provided with connecting structure.
[0005] As preferred, the connecting structure includes threaded rod, the threaded rod is threadedly connected in the inside of connector, the one end of threaded rod is fixedly connected with baffle, the outer side of connector is sleeved with connecting plate, the one end of connecting plate is internally penetrated with hanging rope and hanging rope penetrates pressure measuring connector main part, the both ends of hanging rope are fixedly provided with plug.
[0006] As preferred, the inside of protective sleeve is provided with recess, and the sealing ring is buckled in the inside of the recess.
[0007] As preferred, the outside of pressure measuring connector main part is provided with limiting clamping groove, and the limiting protruding block is buckled with the clamping groove through interference fit.
[0008] Preferably, the connector has a threaded hole inside, and the size of the threaded rod is adapted to the threaded hole.
[0009] Preferably, one end of the connecting plate has a through hole, and the connector passes through the through hole.
[0010] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:
[0011] This utility model incorporates an elastic plate, a limiting protrusion, a protective sleeve, and a fixing ring. In use, the protective sleeve is fastened to one side of the pressure testing connector body. The elastic plate and limiting protrusion on one side of the pressure testing connector body engage with the outer side of the protective sleeve, protecting the pressure testing connector body. This facilitates the assembly and disassembly of the protective sleeve and avoids the need for rotational disassembly. The connecting plate is then fitted onto the outside of the connector, and the threaded rod is connected to the internal thread of the connector, allowing the baffle to limit the connection plate. A hanging rope connects the connecting plate to the pressure testing connector body, preventing the protective sleeve from being lost. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Fig. 1 This is a side view of the structure of this utility model;
[0014] Fig. 2 This is a cross-sectional structural diagram of the present invention;
[0015] Fig. 3 This is a schematic diagram of the connection structure between the protective sleeve and the connecting plate of this utility model.
[0016] Explanation of reference numerals in the attached drawings: 1. Pressure testing connector body; 2. Elastic plate; 3. Limiting protrusion; 4. Protective sleeve; 5. Fixing ring; 6. Sealing ring; 7. Connector; 8. Threaded rod; 9. Baffle; 10. Connecting plate; 11. Hanging rope; 12. Plug; 13. Groove. Detailed Implementation
[0017] 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.
[0018] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.
[0019] Example
[0020] In the current technology, the pressure test connectors used in the market have a relatively simple structure. Each time a measurement is performed, the protective cap needs to be rotated and disassembled, which makes the connection inconvenient. At the same time, prolonged rotation can easily damage the threads.
[0021] Please see Figs. 1-3 This utility model provides a technical solution: a stable pressure testing connector, including a pressure testing connector body 1, a plurality of elastic plates 2 fixedly disposed on one side of the pressure testing connector body 1, a limiting protrusion 3 integrally processed at one end of each of the multiple elastic plates 2, a protective sleeve 4 connected to one side of the pressure testing connector body 1, the limiting protrusion 3 fastening to the outer inner wall of the protective sleeve 4, a fixing ring 5 fixedly disposed on the outer side of the protective sleeve 4, a sealing ring 6 embedded in one side of the inner side of the protective sleeve 4, and a connector 7 fixedly connected to one end of the protective sleeve 4. The side is provided with a connection structure. In use, the pressure testing connector body 1 is connected to the outer measuring pipe, and then the protective sleeve 4 is fastened to one side of the pressure testing connector body 1. The elastic plate 2 and the limiting protrusion 3 on one side of the pressure testing connector body 1 will engage with the outer side of the protective sleeve 4, thereby limiting the protective sleeve 4. The protective sleeve 4 will protect the pressure testing connector body 1, making it easy to assemble and disassemble the protective sleeve 4 and avoiding the need for rotation disassembly. At the same time, the sealing ring 6 inside the protective sleeve 4 will improve the sealing between the protective sleeve 4 and the pressure testing connector body 1.
[0022] The connecting structure includes a threaded rod 8, which is threaded into the inside of the connector 7. A baffle 9 is fixedly connected to one end of the threaded rod 8. A connecting plate 10 is fitted onto the outside of the connector 7. A hanging rope 11 passes through the inside of one end of the connecting plate 10 and passes through the pressure testing connector body 1. Both ends of the hanging rope 11 are fixedly provided with plugs 12. In use, the connecting plate 10 is fitted onto the outside of the connector 7, and then the threaded rod 8 is threaded into the inside of the connector 7, thereby limiting the connection plate 10 by the baffle 9. The hanging rope 11 is connected between the connecting plate 10 and the pressure testing connector body 1, thereby preventing the protective sleeve 4 from being lost.
[0023] The protective sleeve 4 has a groove 13 inside, and the sealing ring 6 is fastened inside the groove 13. The sealing ring 6 improves the sealing between the protective sleeve 4 and the pressure testing connector body 1.
[0024] A limiting slot is provided on the outer side of the pressure test connector body 1. The limiting protrusion 3 is fastened to the slot by interference fit. The limiting protrusion 3 limits the connection between the protective sleeve 4 and the pressure test connector body 1, thereby protecting the pressure test connector body 1.
[0025] The connector 7 has a threaded hole inside, and the threaded rod 8 is sized to match the threaded hole. The connector 7 is threadedly connected to the threaded rod 8, thereby installing the baffle 9 at one end of the protective sleeve 4.
[0026] One end of the connecting plate 10 has a through hole, and the connector 7 passes through the through hole and is connected to the outside of the connector 7 through the connecting plate 10, thereby facilitating the connection between the connecting plate 10 and the protective sleeve 4.
[0027] In this application, the pressure testing connector body 1 is model DP-NONJIC. Its structure and operating principle are existing technologies, so its structure and operating principle will not be described in detail here.
[0028] The working principle or structural principle is as follows: During use, the pressure testing connector body 1 is connected to the outer measuring pipe, and then the protective sleeve 4 is fastened to one side of the pressure testing connector body 1. The elastic plate 2 and the limiting protrusion 3 on one side of the pressure testing connector body 1 will engage with the outer side of the protective sleeve 4, thereby limiting the protective sleeve 4. The protective sleeve 4 will protect the pressure testing connector body 1, making it easy to assemble and disassemble the protective sleeve 4 and avoiding the need for rotation disassembly. At the same time, the sealing ring 6 inside the protective sleeve 4 will improve the sealing between the protective sleeve 4 and the pressure testing connector body 1. Then, the connecting plate 10 is fitted onto the outside of the connector 7, and then the threaded rod 8 is threadedly connected to the inside of the connector 7. The baffle 9 is located at one end of the connector 7, thereby limiting the connection plate 10. A hanging rope 11 is connected between the connecting plate 10 and the pressure testing connector body 1 to prevent the protective sleeve 4 from being lost.
[0029] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.
Claims
1. A securely connected pressure testing connector, comprising a pressure testing connector body (1), characterized in that: Multiple elastic plates (2) are fixedly arranged on one side of the pressure testing connector body (1). One end of each of the multiple elastic plates (2) is integrally machined with a limiting protrusion (3). A protective sleeve (4) is connected to one side of the pressure testing connector body (1). The limiting protrusion (3) is fastened to the outer inner wall of the protective sleeve (4). A fixing ring (5) is fixedly arranged on the outer side of the protective sleeve (4). A sealing ring (6) is embedded in one side of the inner side of the protective sleeve (4). A connector (7) is fixedly connected to one end of the protective sleeve (4). A connecting structure is provided on the outer side of the connector (7).
2. The pressure testing connector with a stable connection according to claim 1, characterized in that: The connection structure includes a threaded rod (8), which is threadedly connected to the inside of the connector (7). One end of the threaded rod (8) is fixedly connected to a baffle (9). A connecting plate (10) is sleeved on the outside of the connector (7). A hanging rope (11) passes through the inside of one end of the connecting plate (10) and passes through the pressure testing connector body (1). Both ends of the hanging rope (11) are fixedly provided with plugs (12).
3. The pressure testing connector with a stable connection according to claim 1, characterized in that: The protective sleeve (4) has a groove (13) inside, and the sealing ring (6) is fastened inside the groove (13).
4. A pressure testing connector with a stable connection according to claim 1, characterized in that: The pressure testing connector body (1) has a limiting slot on its outer side, and the limiting protrusion (3) is engaged with the slot by an interference fit.
5. A reliably connected pressure testing connector according to claim 2, characterized in that: The connector (7) has a threaded hole inside, and the size of the threaded rod (8) is adapted to the threaded hole.
6. A reliably connected pressure testing connector according to claim 2, characterized in that: One end of the connecting plate (10) has a through hole, and the connector (7) passes through the through hole.