CN219623352U - Floating ball type automatic liquid level control valve - Google Patents
Floating ball type automatic liquid level control valve Download PDFInfo
- Publication number
- CN219623352U CN219623352U CN202320907585.XU CN202320907585U CN219623352U CN 219623352 U CN219623352 U CN 219623352U CN 202320907585 U CN202320907585 U CN 202320907585U CN 219623352 U CN219623352 U CN 219623352U
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- valve body
- lever
- floating ball
- valve
- feed liquor
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- 239000007788 liquid Substances 0.000 title claims abstract description 69
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 230000007797 corrosion Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000000502 dialysis Methods 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model provides a floating ball type automatic liquid level control valve, and belongs to the technical field of dialysate buffer barrels. Including the valve body of connecting at the container inner roof, the inside of valve body is equipped with the runner, and the top of valve body stretches out the container and is used for external feed liquor pipe, and the inside of valve body is equipped with the feed liquor hole that makes the internal runner of valve communicate from top to bottom, and the lower part activity of valve body is provided with the feed liquor end cap that is used for switching feed liquor hole, and the below of valve body is provided with the floater, is provided with second grade lever assembly on the valve body, and the floater passes through second grade lever assembly lever with the feed liquor end cap and is connected. The floating ball of the floating ball valve is linked with the liquid inlet plug through the secondary lever assembly, the integral width of the floating ball valve can be effectively reduced through the secondary lever assembly, the floating ball valve can be smoothly installed in the dialyzate buffer barrel, all parts of the plastic floating ball valve can be used in the dialyzate buffer box for a long time, corrosion of parts by dialyzate is avoided, and cost is low.
Description
Technical Field
The utility model relates to the technical field of dialysate buffer barrels, in particular to a floating ball type automatic liquid level control valve.
Background
The centralized liquid supply equipment for dialysis treatment is a dialysis center for medical institutions, prepares the dialysis liquid and conveys the dialysis liquid to each dialysis machine for dialysis. In practical use, some dialysis centers are not distributed on the same floor, and may be distributed on two or more floors, but the centralized liquid supply device is a waste of resources if each floor is configured with one set, so that the problem that the liquid supply device supplies liquid across floors, such as supplying liquid from upstairs to downstairs, is necessarily caused. At this time, because of the floor height, the liquid in the downstairs pipeline must be higher than the upstairs pressure due to the hydraulic pressure, and the pressure of the liquid supply is required for the dialysis machine, and the pressure across the floor may make the dialysis machine not work normally, so that the liquid needs to be depressurized. If decompression is used, because of the specificity of the dialysate, the dialysate has high concentration of sodium chloride, acid, alkali and other components, and has special requirements on the corrosion prevention of the material of the decompression valve, and the pressure is not very high, so that the decompression control of the lower pressure is not very accurate.
The existing commonly used float valve is a small-hole float valve, a small pressure is applied by utilizing the buoyancy of a float ball and a set spring, so that a valve plate is pushed to cut off a water inlet pipe vertically when the liquid level is high, a metal spring is required to be arranged in the valve, the concentration of sodium chloride exceeds 20% for the high-concentration chloridion liquid such as dialysate, even a 316L stainless steel spring is resistant to corrosion, the proper spring is not easy to be configured, and even if a proper material can be found finally to be used as the spring, the valve is also inconvenient or uneconomical.
Disclosure of Invention
In view of the above, the present utility model provides a float automatic liquid level control valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic liquid level control valve of floater, including connecting the valve body at the container inner roof, the inside of valve body is equipped with the runner, and the top of valve body stretches out the container and is used for external feed liquor pipe, and the inside of valve body is equipped with the feed liquor hole that makes the internal runner of valve communicate from top to bottom, and the lower part activity of valve body is provided with the feed liquor end cap that is used for switching feed liquor hole, and the below of valve body is provided with the floater, is provided with second grade lever assembly on the valve body, and the floater passes through second grade lever assembly lever with the feed liquor end cap and is connected.
Further, the second lever assembly comprises a first lever and a second lever, a lever supporting arm is fixedly arranged on the valve body, the first lever and the second lever are both rotatably arranged on the lever supporting arm, one end of the first lever is fixedly connected with the liquid inlet plug, the other end of the first lever is rotatably connected with one end of the second lever, and one end of the second lever, far away from the first lever, is fixedly connected with the floating ball.
Furthermore, the valve body, the floating ball and the secondary lever assembly are all made of corrosion-resistant plastic materials.
Further, the outer wall of the part of the valve body extending out of the container is provided with external threads, and the top of the valve body can be in threaded connection with the container and the liquid inlet pipe.
Further, a limiting seat is fixedly arranged on the outer wall of the valve body, the limiting seat is positioned on one side of the external thread, and the limiting seat is in butt joint with the inner top wall of the container when the valve body is arranged on the container.
Further, the valve body is made of transparent materials, an indication sleeve is coaxially arranged in the valve body in a sliding mode, the upper portion of the indication sleeve is attached to the inner wall of the runner and extends to the outer thread of the top of the valve body, the lower portion of the indication sleeve penetrates through the liquid inlet hole and can be in contact with the liquid inlet plug, and at least one indication color band is arranged on the outer wall of the upper portion of the indication sleeve.
Further, the length of the power arm of the first lever is 2-4 times of the length of the resistance arm, and the length of the power arm of the second lever is 2-4 times of the length of the resistance arm.
The beneficial effects of the utility model are as follows: the floating ball of the floating ball valve is linked with the liquid inlet plug through the secondary lever assembly, the integral width of the floating ball valve can be effectively reduced through the secondary lever assembly, the floating ball valve can be smoothly installed in the dialyzate buffer barrel, all parts of the plastic floating ball valve can be used in the dialyzate buffer box for a long time, corrosion of parts by dialyzate is avoided, and cost is low.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a floating ball type automatic liquid level control valve according to embodiment 1 of the present utility model.
Fig. 2 is a schematic partial structure of a floating ball type automatic liquid level control valve according to embodiment 2 of the present utility model.
Wherein, 1, the valve body; 11. a flow passage; 12. a liquid inlet hole; 13. a liquid outlet; 14. a lever support arm; 15. an external thread; 16. a limit seat; 2. a liquid inlet plug; 3. a floating ball; 4. a first lever; 5. a second lever; 6. an indication sleeve; 61. indicating the color band.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
The embodiment of the utility model discloses a floating ball type automatic liquid level control valve, referring to fig. 1, comprising a valve body 1 connected to the inner top wall of a container, wherein a flow passage 11 is arranged in the valve body 1, the flow passage 11 vertically penetrates through the valve body 1, a separation sheet is coaxially and integrally connected in the valve body 1, a liquid inlet 12 is arranged on the separation sheet in a penetrating way, and the flow passage 11 in the valve body 1 is vertically communicated through the liquid inlet 12. The bottom of the valve body 1 is provided with a liquid outlet 13, a liquid inlet plug 2 for opening and closing a liquid inlet 12 is movably arranged between the liquid outlet 13 in the valve body 1 and the separation sheet, a floating ball 3 is arranged below the valve body 1, the floating ball 3 can be of a hollow structure, a secondary lever assembly is arranged on the valve body 1, and the floating ball 3 is in lever connection with the liquid inlet plug 2 through the secondary lever assembly.
Through the second level lever assembly, when the liquid level in the container is lower, utilize the weight of floater 3, the pulling feed liquor end cap 2 moves down in order to open feed liquor hole 12, and when the liquid level in the container constantly risees, floater 3 rises and drives feed liquor end cap 2 and closes feed liquor hole 12. In the embodiment of the utility model, the valve body 1, the liquid inlet plug 2, the floating ball 3 and the secondary lever assembly are all made of corrosion-resistant plastic materials, the whole width of the floating ball 3 valve can be effectively reduced through the secondary lever assembly, the floating ball 3 valve can be suitable for the dialysate buffer storage barrel provided by the utility model, and the whole body is made of plastic materials, so that the corrosion resistance is better than that of metal, the cost is lower, and the use requirement of the storage barrel for containing dialysate is met.
In the embodiment of the utility model, the secondary lever assembly comprises a first lever 4 and a second lever 5, the first lever 4 and the second lever 5 are L-shaped, a lever supporting arm 14 is integrally and fixedly connected to the outer wall of the valve body 1, the long side of the first lever 4 and the long side of the second lever 5 are both rotatably connected to the lever supporting arm 14, the short side end of the first lever 4 is fixedly connected with the liquid inlet plug 2, the long side end of the first lever 4 is rotatably connected with the short side end of the second lever 5, and the long side end of the second lever 5 is fixedly connected with the floating ball 3 through a connecting rod.
Further, an external thread 15 is arranged on the outer wall of the top end of the valve body 1, and the valve body 1 can be in threaded connection with the liquid inlet pipe after being in threaded connection with the container. Through the external thread 15 structure, the valve body 1 can be flexibly disassembled and assembled, and the use is convenient. And the outer wall of the valve body 1 is also integrally formed with a limit seat 16, the limit seat 16 is positioned on one side of the external thread 15, and when the valve body 1 is in threaded connection with a container, the limit seat 16 is abutted against the inner top wall of the valve body 1, so that the valve body 1 can be confirmed to be installed in place.
In the embodiment of the utility model, the length of the power arm of the first lever 4 is 2-4 times of the length of the resistance arm, and the length of the power arm of the second lever 5 is 2-4 times of the length of the resistance arm. The length of the power arm of the first lever 4 is the distance from the long side end of the first lever 4 to the hinge point of the first lever 4 and the lever supporting arm 14, and the resistance arm of the first lever 4 is the distance from the hinge point of the first lever 4 and the lever supporting arm 14 to the liquid inlet plug 2. The length of the power arm of the second lever 5 is the distance between the hinge point of the second lever 5 and the lever supporting arm 14 and the floating ball 3, and the resistance arm of the second lever 5 is the distance between the short side end of the second lever 5 and the hinge point of the second lever 5 and the lever supporting arm 14.
By enabling the power arms and the resistance arms of the first lever 4 and the second lever 5 to have a certain multiple, the force of the buoyancy of the floating ball 3 finally acting on the liquid inlet plug 2 can be amplified, and the plugging effect of the liquid inlet plug 2 for closing the liquid inlet hole 12 is improved.
The embodiment of the utility model relates to a floating ball 3 type automatic liquid level control valve, which comprises the following implementation principle: all parts of the floating ball 3 valve are made of corrosion-resistant plastic materials, the floating ball 3 and the liquid inlet plug 2 are linked by a secondary lever assembly, the overall width of the floating ball 3 valve can be effectively reduced by the secondary lever assembly, the floating ball 3 valve can be smoothly installed in a dialyzate buffer barrel, all parts of the floating ball 3 valve made of plastic materials can be used in the dialyzate buffer box for a long time, corrosion of parts by dialyzate is avoided, and the cost is lower.
Example 2
Referring to fig. 2, embodiment 2 differs from embodiment 1 in that an indicator sleeve 6 is further provided in the valve body 1.
Specifically, the valve body 1 is made of a transparent material, such as a transparent medical PC plastic material, the indication sleeve 6 is coaxially and slidably arranged in the valve body 1, the indication sleeve 6 consists of an upper part and a lower part, the upper part of the indication sleeve 6 is attached to the inner wall of the flow channel 11 in the valve body 1, and the lower part of the indication sleeve 6 is consistent with the size of the liquid inlet 12 in the valve body 1 and extends into the lower part of the separation sheet after passing through the liquid inlet 12. At least one indication color band 61 is arranged on the outer wall of the upper part of the indication sleeve 6, and the lower part of the indication sleeve 6 can be contacted with the liquid inlet plug 2 and push the indication sleeve 6 to move in the valve body 1 in the process that the liquid inlet plug 2 ascends to close the liquid inlet hole 12.
The indicator sleeve 6 extends upwardly within the valve body 1 to an external thread 15 at the top of the valve body 1. When the liquid inlet pipe is connected with the valve body 1, a gap is reserved between the liquid inlet pipe and the container to expose the transparent valve body 1, the color of the indication sleeve 6 can be observed through the valve body 1, one indication color band 61 or a plurality of indication color bands 61 are arranged, the color of the indication color band 61 exposed on the indication sleeve 6 between the liquid inlet pipe and the container is different in the opening or closing state of the liquid inlet plug 2 in the valve body 1, and operators can observe whether the liquid level in the dialysate storage barrel is in a full storage state or not at the moment, so that the observation is convenient.
It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. A float ball type automatic liquid level control valve is characterized in that: including connecting valve body (1) at container inner roof, the inside of valve body (1) is equipped with runner (11), the top of valve body (1) stretches out the container and is used for external feed liquor pipe, the inside of valve body (1) is equipped with feed liquor hole (12) that make runner (11) communicate from top to bottom in valve body (1), the lower part activity of valve body (1) is provided with feed liquor end cap (2) that are used for switching feed liquor hole (12), the below of valve body (1) is provided with floater (3), be provided with second grade lever assembly on valve body (1), floater (3) are connected through second grade lever assembly lever with feed liquor end cap (2).
2. The floating ball type automatic liquid level control valve according to claim 1, wherein the secondary lever assembly comprises a first lever (4) and a second lever (5), a lever supporting arm (14) is fixedly arranged on the valve body (1), the first lever (4) and the second lever (5) are both rotatably arranged on the lever supporting arm (14), one end of the first lever (4) is fixedly connected with the liquid inlet plug (2), the other end of the first lever is rotatably connected with one end of the second lever (5), and one end of the second lever (5) far away from the first lever (4) is fixedly connected with the floating ball (3).
3. The floating ball type automatic liquid level control valve according to claim 2, wherein the valve body (1), the floating ball (3) and the secondary lever assembly are all made of corrosion-resistant plastic materials.
4. The floating ball type automatic liquid level control valve according to claim 2, wherein the outer wall of the part of the valve body (1) extending out of the container is provided with an external thread (15), and the top of the valve body (1) can be in threaded connection with the container and the liquid inlet pipe.
5. The floating ball type automatic liquid level control valve according to claim 4, wherein a limiting seat (16) is fixedly arranged on the outer wall of the valve body (1), the limiting seat (16) is located on one side of an external thread (15), and the limiting seat (16) is abutted with the inner top wall of the container when the valve body (1) is installed on the container.
6. The automatic liquid level control valve of claim 4, wherein the valve body (1) is made of transparent materials, an indication sleeve (6) is coaxially arranged in the valve body (1) in a sliding manner, the inner wall of an upper fitting flow channel (11) of the indication sleeve (6) extends to an external thread (15) at the top of the valve body (1), the lower part of the indication sleeve (6) penetrates through the liquid inlet hole (12) and can be in contact with the liquid inlet plug (2), and at least one indication color band (61) is arranged on the outer wall of the upper part of the indication sleeve (6).
7. The automatic liquid level control valve of a floating ball type according to any one of claims 2 to 6, wherein the power arm length of the first lever (4) is 2 to 4 times the resistance arm length, and the power arm length of the second lever (5) is 2 to 4 times the resistance arm length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320907585.XU CN219623352U (en) | 2023-04-21 | 2023-04-21 | Floating ball type automatic liquid level control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320907585.XU CN219623352U (en) | 2023-04-21 | 2023-04-21 | Floating ball type automatic liquid level control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219623352U true CN219623352U (en) | 2023-09-01 |
Family
ID=87793037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320907585.XU Active CN219623352U (en) | 2023-04-21 | 2023-04-21 | Floating ball type automatic liquid level control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219623352U (en) |
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2023
- 2023-04-21 CN CN202320907585.XU patent/CN219623352U/en active Active
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