CN217153131U - Valve capable of preventing backflow - Google Patents
Valve capable of preventing backflow Download PDFInfo
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- CN217153131U CN217153131U CN202122307838.3U CN202122307838U CN217153131U CN 217153131 U CN217153131 U CN 217153131U CN 202122307838 U CN202122307838 U CN 202122307838U CN 217153131 U CN217153131 U CN 217153131U
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- pipeline
- fixedly connected
- backflow
- sealing
- plate
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Abstract
The utility model discloses a valve that can anti-return, including a pipeline, installation mechanism of pipeline upper end fixedly connected with, just anti-return mechanism of the inside fixedly connected with in pipeline one side, resilience mechanism of one side fixedly connected with of installation mechanism is kept away from to the pipeline, the inside threaded connection of installation mechanism has an mechanism that opens and shuts, the beneficial effects of the utility model are that: through setting up the hand wheel, threaded hole and threaded rod are convenient for open the pipeline, through setting up spout and rebound board convenience and promote the rebound board when there is liquid to flow, thereby promote the second closing plate through the connecting rod, the second closing plate descends the stagnant flow board and opens from the seal inslot rotation at the rotation of pivot, the liquid flow of being convenient for, can stretch two springs when the rebound board removes simultaneously, can drive the stagnant flow board seal groove that resets through the elastic action of spring and the rotation of pivot after the liquid flows in the pipeline, prevent the liquid backward flow, increase the backward flow performance of valve, increase life.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a valve that can anti-return.
Background
Valves are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, and are essential components in piping systems. Valve tubing is technically the same as pumps and is often discussed as a separate category, valves can be operated manually or by hand wheel, handle or pedal, and can be controlled to vary pressure, temperature and flow rate of the fluid medium.
Present valve all controls through controlling means, but can only singly transport, often does not have backflow prevention structure, probably flows backward when leading to liquid to strike valve inner structure, reduce life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve that can anti-return to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a valve capable of preventing backflow comprises a pipeline, wherein the upper end of the pipeline is fixedly connected with an installation mechanism, an anti-backflow mechanism is fixedly connected inside one side of the pipeline, a rebound mechanism is fixedly connected on one side of the pipeline, which is far away from the installation mechanism, and an opening and closing mechanism is in threaded connection inside the installation mechanism;
the mounting mechanism comprises two sliding chutes, the two sliding chutes are formed in the inner pipe walls at two ends of one side of the pipeline, the upper end of the pipeline positioned at one side of the two sliding chutes is fixedly connected with a mounting box with an open lower end, the lower end of the mounting box penetrates through the outer side wall of the pipeline and extends into the pipeline, and a threaded hole is formed in the upper end of the mounting box in a penetrating manner;
the backflow prevention mechanism comprises a first sealing plate, one side, close to the upper end, of the first sealing plate is provided with a sealing groove, the inner pipe wall of the pipeline, located at the upper end of the first sealing plate, is rotatably connected with a rotating shaft, the lower end of the rotating shaft is rotatably connected with a second sealing plate, the lower end of the second sealing plate is abutted against the first sealing plate, and a flow stopping plate is fixedly connected to the position, corresponding to the sealing groove, of the second sealing plate;
rebound mechanism includes two mounting panels, two the mounting panel is the symmetry and sets up the pipe wall in the both ends of fixed connection in the one side of keeping away from first closing plate, and two the mounting panel is close to the equal fixedly connected with spring in one side of first closing plate, two the common fixedly connected with resilience board in one side of two mounting panels is kept away from to the spring, resilience board both ends extend to in two spouts and sliding connection in two spouts, the position that resilience board is close to the upper end is fixed with a connecting rod, one side fixed connection that resilience board was kept away from to the connecting rod is on the second closing plate.
Preferably, the mechanism that opens and shuts includes a threaded rod, threaded rod fixed connection is in the threaded hole, just the threaded rod lower extreme passes screw hole and install bin and extends to in the pipeline, a valve ball of threaded rod lower extreme fixedly connected with.
Preferably, the upper end of the threaded rod is fixedly connected with a hand wheel.
Preferably, a plurality of handles are fixedly connected to the hand wheel.
Preferably, a sealing gasket is fixedly connected to the joint of the flow stopping plate and the sealing groove.
Preferably, the outer surfaces of the two springs are coated with a layer of waterproof sealing paint.
Compared with the prior art, the beneficial effects of the utility model are that: through setting up the hand wheel, threaded hole and threaded rod are convenient for open the pipeline, through setting up spout and rebound board convenience and promote the rebound board when there is liquid to flow, thereby promote the second closing plate through the connecting rod, the second closing plate descends the stagnant flow board and opens from the seal inslot rotation at the rotation of pivot, the liquid flow of being convenient for, can stretch two springs when the rebound board removes simultaneously, can drive the stagnant flow board seal groove that resets through the elastic action of spring and the rotation of pivot after the liquid flows in the pipeline, prevent the liquid backward flow, increase the backward flow performance of valve, increase life.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along the line B-B of FIG. 1 according to the present invention;
FIG. 4 is a schematic cross-sectional view taken along the direction C-C of FIG. 1 according to the present invention;
fig. 5 is a schematic top view of the present invention.
In the figure: 1. a pipeline;
2. an installation mechanism; 21. a chute; 22. installing a box; 23. a threaded hole;
3. a backflow prevention mechanism; 31. a first sealing plate; 32. a sealing groove; 33. a rotating shaft; 34. a second sealing plate; 35. a flow stopping plate; 36. a gasket;
4. a rebound mechanism; 41. mounting a plate; 42. a spring; 43. a rebound board; 44. a connecting rod;
5. an opening and closing mechanism; 51. a threaded rod; 52. a valve ball; 53. a hand wheel; 54. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a valve capable of preventing backflow comprises a pipeline 1, wherein the upper end of the pipeline 1 is fixedly connected with an installation mechanism 2, an anti-backflow mechanism 3 is fixedly connected inside one side of the pipeline 1, a rebound mechanism 4 is fixedly connected on one side of the pipeline 1, which is far away from the installation mechanism 2, and an opening and closing mechanism 5 is in threaded connection inside the installation mechanism 2;
the mounting mechanism 2 comprises two sliding chutes 21, the two sliding chutes 21 are arranged on the inner pipe walls at the two ends of one side of the pipeline 1, the upper end of the pipeline 1 positioned at one side of the two sliding chutes 21 is fixedly connected with a mounting box 22 with an open lower end, the lower end of the mounting box 22 penetrates through the outer side wall of the pipeline 1 and extends into the pipeline 1, and the upper end of the mounting box 22 penetrates through a threaded hole 23;
the backflow prevention mechanism 3 comprises a first sealing plate 31, a sealing groove 32 is formed in one side, close to the upper end position, of the first sealing plate 31, a rotating shaft 33 is rotatably connected to the inner wall of the pipeline 1, located at the upper end position of the first sealing plate 31, the lower end of the rotating shaft 33 is rotatably connected with a second sealing plate 34, the lower end of the second sealing plate 34 is abutted against the first sealing plate 31, and a flow stopping plate 35 is fixedly connected to the position, corresponding to the sealing groove 32, of the second sealing plate 34;
rebound mechanism 4 includes two mounting panels 41, two mounting panels 41 are the symmetry and set up the both ends inner tube wall of fixed connection in the one side of keeping away from first closing plate 31, and two mounting panels 41 are close to spring 42 of the equal fixedly connected with in one side of first closing plate 31, two springs 42 keep away from the common fixedly connected with in one side of two mounting panels 41 rebound board 43, rebound board 43 both ends extend to in two spout 21 and sliding connection in two spout 21, rebound board 43 is close to the rigidity of upper end and has a connecting rod 44, one side fixed connection that rebound board 43 was kept away from to connecting rod 44 is on second closing plate 34.
Mechanism 5 opens and shuts includes a threaded rod 51, and threaded rod 51 fixed connection is in screw hole 23, and in threaded rod 51 lower extreme passed screw hole 23 and install bin 22 and extended to pipeline 1, valve ball 52 of threaded rod 51 lower extreme fixedly connected with is favorable to being convenient for drive valve ball 52 through threaded rod 51 and screw hole 23 and opens and shuts pipeline 1.
The upper end of the threaded rod 51 is fixedly connected with a hand wheel 53, which is beneficial to pushing the threaded rod 51 through the hand wheel 53.
The hand wheel 53 is fixedly connected with a plurality of handles 54, which is beneficial to conveniently and rapidly rotating the hand wheel 53 through the plurality of handles 54.
The sealing gasket 36 is fixedly connected to the joint of the flow stopping plate 35 and the sealing groove 32, so that the sealing performance between the flow stopping plate 35 and the sealing groove 32 can be conveniently increased through the sealing gasket 36, and liquid backflow can be prevented.
The outer surfaces of the two springs 42 are coated with a layer of waterproof sealing paint, so that the sealing and waterproof performance of the two springs 42 can be improved through waterproof sealing rings, and the service life can be prolonged.
Specifically, when the utility model is used, a plurality of handles 54 are pushed first, the plurality of handles 54 drive the hand wheel 53 to rotate, the hand wheel 53 drives the threaded rod 51 to rotate synchronously, the threaded rod 51 drives the threaded rod 51 to ascend through the threaded hole 23, the threaded rod 51 drives the valve ball 52 to ascend and open the pipeline 1, at the moment, the liquid in the pipeline 1 flows, the liquid drives the rebound plate 43 to move, the rebound plate 43 slides in the two sliding grooves 21, at the moment, the rebound plate 43 stretches the two springs 42, at the moment, the rebound plate 43 drives the connecting rod 44 to push the second sealing plate 34, the second sealing plate 34 rotates and opens through the rotating action of the rotating shaft 33, at the moment, the second sealing plate 34 drives the flow stopping plate 35 to rotate and open from the sealing groove 32 on the first sealing plate 31, at the moment, the liquid passes through the gap between the first sealing plate 31 and the second sealing plate 34 to flow out of the pipeline 1, after the liquid flows, elasticity through two springs 42 can stimulate rebound board 43 and reset in spout 21, and rebound board 43 drives second closing plate 34 and flow stopping plate 35 through connecting rod 44 and pivot 33 and resets, makes the utility model discloses have the benefit of anti-return.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A valve capable of preventing backflow is characterized in that: the pipeline anti-backflow device comprises a pipeline (1), wherein the upper end of the pipeline (1) is fixedly connected with an installation mechanism (2), an anti-backflow mechanism (3) is fixedly connected inside one side of the pipeline (1), a rebound mechanism (4) is fixedly connected on one side of the pipeline (1) far away from the installation mechanism (2), and an opening and closing mechanism (5) is connected inside the installation mechanism (2) in a threaded manner;
the mounting mechanism (2) comprises two sliding chutes (21), the two sliding chutes (21) are arranged on the inner pipe walls at the two ends of one side of the pipeline (1), the upper end of the pipeline (1) positioned at one side of the two sliding chutes (21) is fixedly connected with a mounting box (22) with the lower end arranged in an open manner, the lower end of the mounting box (22) penetrates through the outer side wall of the pipeline (1) and extends into the pipeline (1), and the upper end of the mounting box (22) is provided with a threaded hole (23) in a penetrating manner;
the backflow prevention mechanism (3) comprises a first sealing plate (31), one side, close to the upper end, of the first sealing plate (31) is provided with a sealing groove (32), the inner wall of the pipeline (1) located at the upper end of the first sealing plate (31) is rotatably connected with a rotating shaft (33), the lower end of the rotating shaft (33) is rotatably connected with a second sealing plate (34), the lower end of the second sealing plate (34) is abutted against the first sealing plate (31), and a flow stopping plate (35) is fixedly connected to the position, corresponding to the sealing groove (32), of the second sealing plate (34);
rebound mechanism (4) include two mounting panels (41), two mounting panel (41) are the symmetry and set up fixed connection and in the both ends of keeping away from one side of first closing plate (31) interior pipe wall, and two mounting panel (41) are close to spring (42) of the equal fixedly connected with in one side of first closing plate (31), two the common fixedly connected with in one side of two mounting panels (41) is kept away from in spring (42) has a rebound board (43), rebound board (43) both ends extend to in two spout (21) and sliding connection in two spout (21), rebound board (43) are close to the position of upper end and are fixed with a connecting rod (44), one side fixed connection that rebound board (43) were kept away from in connecting rod (44) is on second closing plate (34).
2. A backflow-prevention valve as claimed in claim 1, wherein: the opening and closing mechanism (5) comprises a threaded rod (51), the threaded rod (51) is fixedly connected in the threaded hole (23), the lower end of the threaded rod (51) penetrates through the threaded hole (23) and the installation box (22) and extends into the pipeline (1), and a valve ball (52) is fixedly connected to the lower end of the threaded rod (51).
3. A backflow-preventing valve as claimed in claim 2, wherein: the upper end of the threaded rod (51) is fixedly connected with a hand wheel (53).
4. A backflow-preventing valve as claimed in claim 3, wherein: the hand wheel (53) is fixedly connected with a plurality of handles (54).
5. A backflow-prevention valve as claimed in claim 1, wherein: and a sealing gasket (36) is fixedly connected at the joint of the flow stopping plate (35) and the sealing groove (32).
6. A backflow-prevention valve as claimed in claim 1, wherein: the outer surfaces of the two springs (42) are coated with a layer of waterproof sealing paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307838.3U CN217153131U (en) | 2021-09-23 | 2021-09-23 | Valve capable of preventing backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307838.3U CN217153131U (en) | 2021-09-23 | 2021-09-23 | Valve capable of preventing backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153131U true CN217153131U (en) | 2022-08-09 |
Family
ID=82658969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122307838.3U Active CN217153131U (en) | 2021-09-23 | 2021-09-23 | Valve capable of preventing backflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153131U (en) |
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2021
- 2021-09-23 CN CN202122307838.3U patent/CN217153131U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230724 Address after: 201400 building 3 and 4, No. 22, Haiyi Road, Situan Town, Fengxian District, Shanghai Patentee after: Shanghai yimiante Hydraulic Equipment Co.,Ltd. Address before: 224500 North District, Binhai Economic Development Zone, Yancheng City, Jiangsu Province Patentee before: Jiangsu neside Valve Co.,Ltd. |