Portable small fluid valve

Through precise adjustment of the gear and sealing ring structure and the design of the cleaning mechanism, the problems of loose connection and blockage of small fluid valves under long-term flow are solved, and stable control and sealing of fluid flow are achieved.

CN223306387UActive Publication Date: 2025-09-05SHANGHAI LINGGAO PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202422847690.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-09-05
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing small fluid valves are prone to loose connections and leakage under long-term flow, resulting in liquid loss and unable to meet usage requirements.

Method used

The gear and sealing ring structure are used for precise adjustment, and the cleaning mechanism is combined with the impeller and scraper to clean impurities, prevent valve body from being blocked, and ensure sealing.

Benefits of technology

It effectively prevents valve connection loosening and clogging caused by long-term water flow, ensuring the stability and sealing of fluid flow.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fluid valves, and discloses a portable small fluid valve which comprises a valve body, hollow inner tooth blocks are fixedly connected to the left side and the right side of the exterior of the valve body, gears are rotatably connected to the interiors of the hollow inner tooth blocks, and a U-shaped hollow piece is fixedly connected to the left side of the outer wall of each gear. A telescopic column is rotatably connected to the interior of the U-shaped hollow piece, a rotating short column is rotatably connected to the front end of the outer wall of the telescopic column, a connecting short plate is slidably connected to the top end of the outer wall of the rotating short column, and a semicircular sealing ring is fixedly connected to the right side of the outer wall of the connecting short plate. According to the utility model, the position is adjusted by sliding the U-shaped hollow sheet, then the telescopic column is rotated out in sequence, then the connecting short plate is adjusted left and right, and finally the screw on the outer wall of the threaded short column is rotated for sealing and tightening, so that the problem that the valve joint is loosened due to long-time flowing of water flow in the valve body is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of fluid valves, in particular to a portable small-sized fluid valve. Background Art

[0002] A small fluid valve is a mechanical device used to control the flow of fluids including liquids and gases. It is relatively small in size and can be easily installed in various small devices or systems with limited space. By adjusting the opening of the valve, the flow rate, pressure and flow direction of the fluid can be controlled.

[0003] In the medical field, chemical field and food and beverage production field, for example, in the medical field, it is necessary to control the flow and flow rate of drugs to ensure that patients can accurately receive the required dose of drugs. This is where portable small fluid valves are used. The internal structure of the valve body is used to accurately adjust the output speed of liquid drugs to avoid harm to patients due to overdose or underdose of drugs.

[0004] Currently available small fluid valves will cause the valve connections to loosen under the long-term flow of internal water, causing the liquid in the valve body to be lost and leaked, which in turn requires workers to repair, resulting in the valve being unable to meet usage needs. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a portable small fluid valve, which aims to improve the problem in the prior art that the valve connection becomes loose due to long-term flow.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a portable small fluid valve, including a valve body, wherein the left and right sides of the outside of the valve body are fixedly connected with hollow internal tooth blocks, the inside of the hollow internal tooth block is rotatably connected with a gear, the left side of the outer wall of the gear is fixedly connected with a U-shaped hollow piece, the inside of the U-shaped hollow piece is rotatably connected with a telescopic column, the front end of the outer wall of the telescopic column is rotatably connected with a rotating short column, the top of the outer wall of the rotating short column is slidably connected with a connecting short plate, the right side of the outer wall of the connecting short plate is fixedly connected with a semicircular sealing ring, the top of the outer wall of the semicircular sealing ring is fixedly connected with a fixed block, the middle of the fixed block is penetrated by a threaded short column, the outer wall of the threaded short column is threadedly connected with a nut, and a cleaning mechanism is installed inside the valve body, and the cleaning mechanism is used to filter impurities in the water.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism includes a fixed long piece, which is installed inside the valve body. The rear side of the outer wall of the fixed long piece is rotatably connected to a fixed short column. The rear end of the outer wall of the fixed short column is fixedly connected to an impeller. The rear end of the outer wall of the impeller is fixedly connected to a connecting long rod. The other end of the connecting long rod is fixedly connected to a threaded cylinder. The internal thread of the threaded cylinder is connected to a scraper. A filter is installed on the rear side of the inner wall of the valve body.

[0009] As a further description of the above technical solution:

[0010] The top of the valve body is fixedly connected with a turning handle, and the outer wall of the turning handle is fixedly connected with a protective sleeve.

[0011] As a further description of the above technical solution:

[0012] A hollow box is fixedly connected to the front side of the top wall of the valve body, and a drawer box is slidably connected to the interior of the hollow box.

[0013] As a further description of the above technical solution:

[0014] A handle is fixedly connected to the left side of the outer wall of the drawer box, and a protective cover is fixedly connected to the outer wall of the handle.

[0015] As a further description of the above technical solution:

[0016] The bottom of the outer wall of the valve body is threadedly connected with a screw 1, and the outer wall of the screw 1 is threadedly connected with a protective pad.

[0017] As a further description of the above technical solution:

[0018] A protective cover is fixedly connected to the rear end of the outer wall of the valve body, and a sliding plate is slidably connected to the outer wall of the protective cover.

[0019] As a further description of the above technical solution:

[0020] The outer top of the sliding plate is threadedly connected to a second screw, and the outer wall of the second screw is threadedly connected to a pull ring.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the position is adjusted by sliding the U-shaped hollow piece, and then the telescopic column is rotated out in turn to adjust the connecting short plate left and right, and finally the screw on the outer wall of the threaded short column is rotated to tighten the seal, thereby avoiding the problem of loosening of the valve connection due to long-term flow of water inside the valve body.

[0023] 2. In the present invention, the impeller at the rear end of the fixed short column is rotated by the internal water flow colliding with it. While rotating, the impeller drives the scraper to clean the impurities attached to the filter installed on the inner wall of the valve body, thereby avoiding the problem of valve body being blocked due to turbid water. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of the portable small fluid valve proposed by the present utility model;

[0025] Figure 2 This is a side view of the portable small fluid valve proposed by the utility model;

[0026] Figure 3 This is a front view of the portable small fluid valve proposed by the utility model;

[0027] Figure 4 This is a partial structural exploded view of the portable small fluid valve proposed in the utility model;

[0028] Figure 5 This is a cross-sectional view of the portable small fluid valve proposed by the utility model.

[0029] Legend:

[0030] 1. Valve body; 2. Cleaning mechanism; 201. Fixed long piece; 202. Impeller; 203. Fixed short column; 204. Connecting long rod; 205. Scraper; 206. Filter; 207. Threaded cylinder; 3. Drawer box; 4. Hollow box; 5. Fixed block; 6. Threaded short column; 7. Nut; 8. Semicircular sealing ring; 9. Connecting short plate; 10. Telescopic column; 11. Handle; 12. Protective cover; 13. U-shaped hollow piece; 14. Hollow inner tooth block; 15. Screw one; 16. Protective pad; 17. Protective cover; 18. Sliding plate; 19. Screw two; 20. Pull ring; 21. Protective cover; 22. Turn handle; 23. Rotating short column; 24. Gear. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1 、 Figure 2 and Figure 4The utility model provides an embodiment: a portable small fluid valve, including a valve body 1, the left and right sides of the outside of the valve body 1 are fixedly connected with a hollow inner gear block 14, the inside of the hollow inner gear block 14 is rotatably connected with a gear 24, which plays a role of rotation and movement, the left side of the outer wall of the gear 24 is fixedly connected with a U-shaped hollow piece 13, the inside of the U-shaped hollow piece 13 is rotatably connected with a telescopic column 10, the front end of the outer wall of the telescopic column 10 is rotatably connected with a rotating short column 23, which plays a rotating role, the top of the outer wall of the rotating short column 23 is slidably connected with a connecting short plate 9, which plays a connecting role, and the right side of the outer wall of the connecting short plate 9 is fixedly connected with A semicircular sealing ring 8 is provided, and the top of the outer wall of the semicircular sealing ring 8 is fixedly connected to a fixed block 5. A threaded short column 6 is passed through the middle of the fixed block 5 for fixing. A nut 7 is threadedly connected to the outer wall of the threaded short column 6. A cleaning mechanism 2 is installed inside the valve body 1. The cleaning mechanism 2 is used to filter impurities in the water. A turning handle 22 is fixedly connected to the top of the valve body 1 for easy opening and closing of the valve. A protective sleeve 21 is fixedly connected to the outer wall of the turning handle 22. A hollow box 4 is fixedly connected to the front side of the top wall of the valve body 1. A drawer box 3 is slidably connected to the interior of the hollow box 4 for storing parts for daily use and replacement.

[0033] Specifically, the position is adjusted by sliding the U-shaped hollow piece 13 on the outer wall of the gear 24 inside the hollow internal gear block 14 on the left and right sides of the outer valve body 1. When the adjustment is ready, the telescopic column 10 inside the U-shaped hollow piece 13 is rotated out in turn. After rotating out, the connecting short plate 9 at the top of the rotating short column 23 is slid left and right by the rotating short column 23 at the front end of the telescopic column 10. At the same time, the semicircular sealing ring 8 on the right side of the connecting short plate 9 is driven to move and adjust. Finally, the semicircular sealing rings 8 on the left and right sides are aligned, and then the nuts 7 on the outer wall of the threaded short column 6 passing through the middle of the fixing block 5 on the top of the semicircular sealing ring 8 are rotated in turn to seal and tighten. The top of the valve body 1 is fixedly connected with a turning handle 22, which can facilitate opening and closing the valve. The outer wall of the turning handle 22 is fixedly connected with a protective sleeve 21. The front side of the top wall of the valve body 1 is fixedly connected with a hollow box 4. The interior of the hollow box 4 is slidably connected with a drawer box 3, which can store parts for daily use and replacement.

[0034] Reference Figure 3 and Figure 5, the cleaning mechanism 2 includes a fixed long piece 201, which is mounted inside the valve body 1, and the rear side of the outer wall of the fixed long piece 201 is rotatably connected to a fixed short column 203 for fixing, and the rear end of the outer wall of the fixed short column 203 is fixedly connected to an impeller 202, and the rear end of the outer wall of the impeller 202 is fixedly connected to a connecting long rod 204, which plays a connecting role, and the other end of the connecting long rod 204 is fixedly connected to a threaded cylinder 207, and the internal thread of the threaded cylinder 207 is connected to a scraper 205, and a filter screen 206 is installed on the rear side of the inner wall of the valve body 1 for filtering. The left side of the outer wall of the extraction box 3 is fixedly connected to a handle 11, which can be used to easily open the extraction box 3. The outer wall of the handle 11 is fixedly connected to a protective cover 12, and the bottom of the outer wall of the valve body 1 is threadedly connected to a screw 15, and the outer wall of the screw 15 is threadedly connected to a protective pad 16, which can protect the valve body 1;

[0035] Specifically, when water flows inside the valve body 1, it will collide with the impeller 202 installed at the rear end of the fixed short column 203 on the rear side of the fixed long piece 201 inside the valve body 1. When the water flows, it will collide with the impeller 202 at the rear end of the fixed short column 203 on the rear side of the fixed long piece 201 inside the valve body 1. The impeller 202 will drive the scraper 205 inside the threaded cylinder 207 at the other end of the long rod 204 connected to the outer wall of the impeller 202 to clean the impurities attached to the filter 206 installed on the inner wall of the valve body 1. The left side of the outer wall of the drawer box 3 is fixedly connected to the handle 11, which can facilitate the opening of the drawer box 3. The outer wall of the handle 11 is fixedly connected to the protective cover 12. The bottom of the outer wall of the valve body 1 is threadedly connected to a screw 15, and the outer wall of the screw 15 is threadedly connected to a protective pad 16, which can protect the valve body 1.

[0036] Reference Figure 1 and Figure 2 The rear end of the outer wall of the valve body 1 is fixedly connected with a protective cover 17, which can protect the valve body 1. The outer wall of the protective cover 17 is slidably connected with a sliding plate 18. The outer top of the sliding plate 18 is threadedly connected with a screw 19. The outer wall of the screw 19 is threadedly connected with a pull ring 20, which can facilitate opening the sliding plate 18.

[0037] Specifically, a protective cover 17 is fixedly connected to the rear end of the outer wall of the valve body 1, which can protect the valve body 1. The outer wall of the protective cover 17 is slidably connected to a sliding plate 18. The outer top of the sliding plate 18 is threadedly connected to a screw 2 19. The outer wall of the screw 2 19 is threadedly connected to a pull ring 20, which can facilitate opening the sliding plate 18.

[0038] Working principle: The position is adjusted by sliding the U-shaped hollow piece 13 on the outer wall of the gear 24 inside the hollow inner tooth block 14 on the left and right sides of the valve body 1. After the adjustment, the telescopic column 10 inside the U-shaped hollow piece 13 is rotated out in turn. After it is rotated out, the connecting short plate 9 at the top of the rotating short column 23 is slid left and right through the rotating short column 23 at the front end of the telescopic column 10. At the same time, the semicircular sealing ring 8 on the right side of the connecting short plate 9 is driven to move and adjust. Finally, the semicircular sealing rings 8 on the left and right sides are aligned, and then the nut 7 on the outer wall of the threaded short column 6 that passes through the middle of the fixed block 5 on the top of the semicircular sealing ring 8 is rotated in turn to seal and tighten. This avoids the problem of loosening of the connection of the valve body 1 due to long-term flow of water inside the valve body 1.

[0039] When the water flows inside the valve body 1, it will collide with the impeller 202 installed at the rear end of the fixed short column 203 on the rear side of the fixed long piece 201 inside the valve body 1. When the water flows, it will drive the impeller 202 to rotate. While the impeller 202 rotates, it will drive the scraper 205 inside the threaded cylinder 207 at the other end of the long rod 204 connected to the outer wall of the impeller 202 to clean the impurities attached to the filter 206 installed on the inner wall of the valve body 1, thereby avoiding the problem of valve body 1 being blocked due to turbid water.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A portable small fluid valve, comprising a valve body (1), characterized in that: The left and right sides of the exterior of the valve body (1) are fixedly connected with hollow internal gear blocks (14), the interior of the hollow internal gear block (14) is rotatably connected with a gear (24), the left side of the outer wall of the gear (24) is fixedly connected with a U-shaped hollow piece (13), the interior of the U-shaped hollow piece (13) is rotatably connected with a telescopic column (10), the front end of the outer wall of the telescopic column (10) is rotatably connected with a rotating short column (23), the top of the outer wall of the rotating short column (23) is slidably connected with a connecting short plate (9), the right side of the outer wall of the connecting short plate (9) is fixedly connected with a semicircular sealing ring (8), the top of the outer wall of the semicircular sealing ring (8) is fixedly connected with a fixed block (5), the middle of the fixed block (5) is penetrated by a threaded short column (6), the outer wall of the threaded short column (6) is threadedly connected with a nut (7), and a cleaning mechanism (2) is installed inside the valve body (1), and the cleaning mechanism (2) is used to filter impurities in water.

2. The portable small fluid valve according to claim 1, characterized in that: The cleaning mechanism (2) comprises a fixed long piece (201), the fixed long piece (201) is installed inside the valve body (1), the rear side of the outer wall of the fixed long piece (201) is rotatably connected to a fixed short column (203), the rear end of the outer wall of the fixed short column (203) is fixedly connected to an impeller (202), the rear end of the outer wall of the impeller (202) is fixedly connected to a connecting long rod (204), the other end of the connecting long rod (204) is fixedly connected to a threaded cylinder (207), the internal thread of the threaded cylinder (207) is connected to a scraper (205), and a filter (206) is installed on the rear side of the inner wall of the valve body (1).

3. The portable small fluid valve according to claim 1, characterized in that: The top of the valve body (1) is fixedly connected to a turning handle (22), and the outer wall of the turning handle (22) is fixedly connected to a protective sleeve (21).

4. The portable small fluid valve according to claim 1, characterized in that: A hollow box (4) is fixedly connected to the front side of the top wall of the valve body (1), and a drawer box (3) is slidably connected inside the hollow box (4).

5. The portable small fluid valve according to claim 4, characterized in that: A handle (11) is fixedly connected to the left side of the outer wall of the drawer box (3), and a protective cover (12) is fixedly connected to the outer wall of the handle (11).

6. The portable small fluid valve according to claim 1, characterized in that: The bottom of the outer wall of the valve body (1) is threadedly connected to a screw 1 (15), and the outer wall of the screw 1 (15) is threadedly connected to a protective pad (16).

7. The portable small fluid valve according to claim 1, characterized in that: A protective cover (17) is fixedly connected to the rear end of the outer wall of the valve body (1), and a sliding plate (18) is slidably connected to the outer wall of the protective cover (17).

8. The portable small fluid valve according to claim 7, characterized in that: The outer top of the sliding plate (18) is threadedly connected to a second screw (19), and the outer wall of the second screw (19) is threadedly connected to a pull ring (20).