Leakage-proof safety grease injection valve

Abstract

The utility model discloses a leakproof safety grease injection valve, which relates to the technical field of grease injection valves, and comprises a valve body component and a combination joint, a valve core component is arranged in the middle of the interior of the valve body component, the combination joint is connected and arranged at one end of the valve body component, and a first protective cap is arranged at one end of the valve body component far away from the combination joint. And two groups of sealing rings are arranged between the valve body assembly and the combined joint. According to the anti-leakage safety grease injection valve, the combination connector is arranged at one end of the valve body assembly, by means of the structure of the combination connector, on one hand, the connection mode of the whole valve structure can be expanded, and on the other hand, the structure of the combination connector is matched with a sealing ring for use, and the combination sealing performance between the structures can be ensured as much as possible; and meanwhile, the sealing performance of the combination with an external pipeline can be guaranteed, in addition, through the structural arrangement of the first protective cap and the second protective cap, structural protection can be conducted when the whole valve structure is not used, and the internal structure is prevented from being damaged.

Description

Technical Field

[0001] This utility model relates to the field of grease injection valve technology, specifically a leak-proof safety grease injection valve. Background Technology

[0002] A grease injection valve is a practical device specifically designed to inject lubricating grease into large machinery, petrochemical equipment, ball valves, gate valves, and wellhead equipment. Its design aims to ensure smooth operation and maintenance of the equipment.

[0003] Conventional grease injection valves are time-consuming and labor-intensive to assemble and connect due to their structural design, resulting in low efficiency. In addition, the internal structure of the valve body is easily damaged by external factors during storage. Utility Model Content

[0004] The purpose of this invention is to provide a leak-proof safety grease injection valve to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a leak-proof safety grease injection valve, comprising a valve body assembly and a combination connector. A valve core component is installed in the middle of the valve body assembly. The combination connector is connected to one end of the valve body assembly, and a first protective cap is installed at the end of the valve body assembly away from the combination connector. Two sets of sealing rings are provided between the valve body assembly and the combination connector, and a second protective cap is installed at the end of the combination connector away from the valve body assembly. The combination connector includes a connector body, a sealing groove, a sealing element, and a combination thread. A sealing groove is formed on the inner wall surface of one end of the connector body, and a sealing element is provided at the end of the connector body near the sealing groove. A combination thread is provided on the surface of the end of the connector body away from the valve body assembly.

[0006] Furthermore, the valve body assembly includes a main valve body, a main valve chamber, a plugging port, a mating port, and a sealing port. The main valve body has a main valve chamber in the middle, and a plugging port is provided in the middle of the main valve chamber. The mating port is provided at the end of the main valve chamber near the first protective cap, and a sealing port is provided at the end of the main valve body near the combination joint.

[0007] Furthermore, the valve core component includes a telescopic rod, a support spring, a first ring plate, a second ring plate, and a valve ball. The telescopic rod is sleeved with a support spring, and the two ends of the support spring are respectively connected to the first ring plate and the second ring plate. Moreover, a valve ball is provided in the middle of the side of the first ring plate away from the support spring.

[0008] Furthermore, the valve core component is installed in the middle of the main valve cavity, the valve ball is tightly fitted to the surface of the sealing port, and the surfaces of the first ring plate and the second ring plate are provided with a through hole structure in an annular array.

[0009] Furthermore, the sealing ring is embedded in the surface of the main valve body near the sealing port, and the inner surface structure of the sealing groove matches the outer surface structure of the sealing ring.

[0010] Furthermore, the inner surface structure of the sealing port matches the outer surface structure of the sealing element, and the sealing element adopts an annular structure and is fixedly connected to the connector body. Moreover, the second protective cap is threadedly connected to the connector body through a combination thread.

[0011] Furthermore, the first protective cap includes a cover, a sealing groove structure, and a sealing block. The inner wall surface of the cover near the valve body assembly is provided with a sealing groove structure, and a sealing block is provided at the top inside the cover.

[0012] Furthermore, the sealing block and the sealing cap are integrally structured, and the inner surface structure of the sealing groove matches the surface structure of one end of the main valve body.

[0013] This utility model provides a leak-proof safety grease injection valve, which has the following beneficial effects:

[0014] 1. This utility model provides a combination connector at one end of the valve body assembly, and two sets of sealing rings at the connection between the combination connector and the valve body assembly. The sealing rings are embedded in the outer surface of the end of the main valve body with a sealing port. Simultaneously, a connector body with a sealing groove and a sealing element at one end is connected to the end of the connector body with the sealing rings installed. This embeds the sealing rings into the sealing groove and inserts the sealing element into the sealing port, thus completing the connection between the valve body assembly and the combination connector. This structure provides sufficient convenience and flexibility in the structural assembly, while ensuring the sealing and stability of the structure. Furthermore, the combination thread on one end of the connector body allows for a connection method different from external pipelines, while also ensuring the sealing of the connection assembly, thereby ensuring the delivery of lubricating grease.

[0015] 2. This utility model, by installing a first protective cap at one end of the valve body assembly and simultaneously cooperating with a second protective cap installed at one end of the combination connector, utilizes the structural arrangement between the two to fit the cap onto one end of the connector body, thereby embedding one end of the connector body into the interior of the sealing groove structure. At the same time, the sealing block is inserted into the interior of the interface. Then, the second protective cap is screwed onto the surface of the connector body with the combined thread, thus achieving a structural combination. This structural arrangement provides structural protection at both ends of the entire structure when the valve body assembly is not in use, preventing unnecessary structural damage to the internal structure caused by the external environment. This provides excellent structural protection, ensuring the service life of the device and also ensuring the safety of the device during transportation and storage. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the axial side view of the body structure of a leak-proof safety grease injection valve according to this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the leak-proof safety grease injection valve of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the valve body assembly of a leak-proof safety grease injection valve according to the present invention;

[0019] Figure 4 This is a three-dimensional structural diagram of the valve core component of a leak-proof safety grease injection valve according to the present invention;

[0020] Figure 5 This is a three-dimensional structural diagram of a combination joint for a leak-proof safety grease injection valve according to this utility model;

[0021] Figure 6 This is a three-dimensional structural diagram of the first protective cap of a leak-proof safety grease injection valve according to the present invention.

[0022] In the diagram: 1. Valve body assembly; 101. Main valve body; 102. Main valve chamber; 103. Sealing port; 104. Connecting port; 105. Sealing port; 2. Valve core assembly; 201. Telescopic rod; 202. Support spring; 203. First ring plate; 204. Second ring plate; 205. Valve ball; 3. Combined joint; 301. Joint body; 302. Sealing groove; 303. Sealing element; 304. Combined thread; 4. First protective cap; 401. Cover; 402. Sealing groove structure; 403. Sealing block; 5. Sealing ring; 6. Second protective cap. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] like Figures 1 to 6As shown, a leak-proof safety grease injection valve includes a valve body assembly 1 and a combination connector 3. A valve core component 2 is installed in the center of the valve body assembly 1. The combination connector 3 is connected to one end of the valve body assembly 1, and a first protective cap 4 is installed at the end of the valve body assembly 1 away from the combination connector 3. Two sets of sealing rings 5 ​​are provided between the valve body assembly 1 and the combination connector 3, and a second protective cap 6 is installed at the end of the combination connector 3 away from the valve body assembly 1. The combination connector 3 includes a connector body 301, a sealing groove 302, a sealing element 303, and a combination thread 304. A sealing groove 302 is formed on the inner wall surface of one end of the connector body 301, and a sealing element 303 is provided at the end of the connector body 301 near the sealing groove 302. A combination thread 304 is provided on the surface of the end of the connector body 301 away from the valve body assembly 1. The valve body assembly 1 includes a main valve body 101, a main valve chamber 102, a sealing port 103, a mating port 104, and a sealing port 105. The main valve body 101 has a main valve chamber 102 in the middle, and a sealing port 103 is provided in the middle of the main valve chamber 102. The main valve chamber 102 is provided with a mating interface 104 at the end near the first protective cap 4, and a sealing port 105 is provided at the end of the main valve body 101 near the combination connector 3. The sealing ring 5 is embedded in the surface of the end of the main valve body 101 near the sealing port 105, and the inner surface structure of the sealing groove 302 matches the outer surface structure of the sealing ring 5. The sealing ring 5 is embedded in the outer surface of the end of the main valve body 101 with the sealing port 105. At the same time, the connector body 301 with a sealing groove 302 and a sealing element 303 at one end is connected to the end of the connector body 301 with the sealing ring 5 installed. Thus, the sealing ring 5 is embedded in the sealing groove 302, and the sealing element 303 is inserted into the sealing port 105, thereby completing the combination connection between the valve body assembly 1 and the combination connector 3.

[0025] like Figures 1 to 6As shown, the valve core component 2 includes a telescopic rod 201, a support spring 202, a first ring plate 203, a second ring plate 204, and a valve ball 205. The support spring 202 is sleeved on the outside of the telescopic rod 201, and the two ends of the support spring 202 are respectively connected to the first ring plate 203 and the second ring plate 204. The valve ball 205 is disposed in the middle of the side of the first ring plate 203 away from the support spring 202. The valve core component 2 is installed in the middle of the interior of the main valve cavity 102. The valve ball 205 is tightly fitted to the surface of the sealing port 103. The surfaces of the first ring plate 203 and the second ring plate 204 are provided with a through hole structure in an annular array. The sealing ring 5 is embedded in the surface of the main valve body 101 near the sealing port 105. The inner surface structure of the sealing groove 302 matches the outer surface structure of the sealing ring 5. The inner surface structure of the sealing port 105 matches the outer surface structure of the sealing element 303. The sealing element 303 adopts an annular... The first protective cap 4 is configured with a shape structure and is fixedly connected to the connector body 301. The second protective cap 6 is threadedly connected to the connector body 301 via a combination thread 304. The first protective cap 4 includes a cover 401, a sealing groove structure 402, and a sealing block 403. The sealing groove structure 402 is provided on the inner wall surface of the end of the cover 401 near the valve body assembly 1, and the sealing block 403 is provided at the top inside the cover 401. The sealing block 403 and the cover 401 are integrally configured, and the inner surface structure of the sealing groove structure 402 matches the surface structure of one end of the main valve body 101. The cover 401 is sleeved onto one end of the connector body 301, so that one end of the connector body 301 is embedded in the interior of the sealing groove structure 402. At the same time, the sealing block 403 is inserted into the interior of the interface 104. Then, the second protective cap 6 is installed on the surface of the connector body 301 with the combination thread 304 by screwing, thus realizing the structural combination.

[0026] In summary, as Figures 1 to 6 As shown, when using this leak-proof safety grease injection valve, firstly pull out the first protective cap 4 at one end of the valve body assembly 1 so that the main valve body 101 end that is snapped into the sealing groove structure 402 inside the inner wall of the cover 401 is pulled out, and at the same time pull out the sealing block 403 inserted into the interface 104. Then, unscrew the second protective cap 6 from the end surface with the combined thread 304.

[0027] Then, the sealing ring 5 is embedded into the surface of the main valve body 101 away from the interface 104. Then, the end of the connector body 301 with the sealing groove 302 and the sealing element 303 is inserted into the main valve body 101, so that the sealing ring 5 is embedded in the sealing groove 302. At the same time, the sealing element 303 is inserted into the sealing port 105, thereby quickly connecting the valve body assembly 1 and the combination connector 3. Afterwards, the surface structure of one end of the valve body assembly 1 and the surface structure of one end of the combination connector 3 can be combined and connected with the external delivery hose to ensure delivery stability.

[0028] Under the operation of the external conveying components, as the liquid flow rate and pressure inside the main valve chamber 102 increase, the telescopic rod 201 and the support spring 202, which are equipped with the first ring plate 203 and the second ring plate 204, are structurally pushed, causing the valve ball 205 to disengage from the sealing port 103 and realize the flow structure. At the same time, the holes on the surface of the first ring plate 203 and the second ring plate 204 are used to realize the rapid flow of the conveying medium.

[0029] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A leak-proof safety grease injection valve, comprising a valve body assembly (1) and a combination connector (3), characterized in that: A valve core component (2) is installed in the middle of the valve body assembly (1). The combination connector (3) is connected to one end of the valve body assembly (1). A first protective cap (4) is installed on the end of the valve body assembly (1) away from the combination connector (3). Two sets of sealing rings (5) are provided between the valve body assembly (1) and the combination connector (3). A second protective cap (6) is installed on the end of the combination connector (3) away from the valve body assembly (1). The combination connector (3) includes a connector body (301), a sealing groove (302), a sealing element (303), and a combination thread (304). A sealing groove (302) is opened on the inner wall surface of one end of the connector body (301). A sealing element (303) is provided on the end of the connector body (301) near the sealing groove (302). A combination thread (304) is provided on the surface of the end of the connector body (301) away from the valve body assembly (1).

2. A leak-proof safety dispensing valve according to claim 1, wherein The valve body assembly (1) includes a main valve body (101), a main valve chamber (102), a plug (103), a mating interface (104), and a sealing port (105). The main valve body (101) has a main valve chamber (102) in the middle, and a plug (103) is provided in the middle of the main valve chamber (102). The mating interface (104) is provided at one end of the main valve chamber (102) near the first protective cap (4), and a sealing port (105) is provided at one end of the main valve body (101) near the combination connector (3).

3. A leak-proof safety dispensing valve according to claim 2, wherein, The valve core component (2) includes a telescopic rod (201), a support spring (202), a first ring plate (203), a second ring plate (204), and a valve ball (205). The telescopic rod (201) is sleeved with the support spring (202), and the two ends of the support spring (202) are respectively connected to the first ring plate (203) and the second ring plate (204). The valve ball (205) is provided in the middle of the side of the first ring plate (203) away from the support spring (202).

4. The leak-proof safety dispensing valve of claim 3, wherein, The valve core component (2) is installed in the middle of the main valve chamber (102), the valve ball (205) is tightly attached to the surface of the sealing port (103), and the surfaces of the first ring plate (203) and the second ring plate (204) are provided with a through hole structure in an annular array.

5. The leak-proof safety dispensing valve of claim 2, wherein, The sealing ring (5) is embedded in the end surface of the main valve body (101) near the sealing port (105), and the inner surface structure of the sealing groove (302) matches the outer surface structure of the sealing ring (5).

6. A leak-proof safety dispensing valve according to claim 2, wherein, The inner surface structure of the sealing port (105) matches the outer surface structure of the sealing element (303), and the sealing element (303) adopts an annular structure and is fixedly connected to the connector body (301). Moreover, the second protective cap (6) is threadedly connected to the connector body (301) through a combined thread (304).

7. The leak-proof safety dispensing valve of claim 2, wherein, The first protective cap (4) includes a cover (401), a sealing groove structure (402) and a sealing block (403). The inner wall surface of the cover (401) near the valve body assembly (1) is provided with a sealing groove structure (402), and a sealing block (403) is provided at the top inside the cover (401).

8. A leak-proof safety dispensing valve according to claim 7, wherein, The sealing block (403) and the sealing cap (401) are integrated into one structure, and the inner surface structure of the sealing groove structure (402) matches the surface structure of one end of the main valve body (101).

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