CN213655965U - One-way stop valve - Google Patents
One-way stop valve Download PDFInfo
- Publication number
- CN213655965U CN213655965U CN202022119021.9U CN202022119021U CN213655965U CN 213655965 U CN213655965 U CN 213655965U CN 202022119021 U CN202022119021 U CN 202022119021U CN 213655965 U CN213655965 U CN 213655965U
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing
- pipe
- valve body
- protection box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 239000004033 plastic Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses an one-way stop valve, which comprises a valve body, the left and right sides of valve body all is connected with the valve pipe, and controls two valve pipe outer ends and input tube and output tube respectively, and the valve pipe all is provided with sealed sidebar with the junction week side of input tube and output tube, is provided with the sealing strip between the two sealed sidebar, the upper portion of valve body is provided with sealed protection box. The utility model discloses a setting corresponds the sealed sidebar of draw-in groove, and the deuterogamy corresponds the sealing strip of two sealed sidebars, seals the valve pipe with input output tube's joint gap to improve the connection leakproofness of valve body and pipeline, through the upper portion protection with the valve rod in sealed protection box, prevent that outside rainwater environment from corroding, lead to the valve body corrosion to influence the use, and compare in the rotation of turning handle, rotate the mode that the side carousel opened and close the valve through setting up, it is more convenient laborsaving.
Description
Technical Field
The utility model relates to a valve specifically is an one-way stop valve.
Background
Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems. The one-way valve has a straight-through type and a right-angle type. The straight-through one-way valve is installed on the pipeline by threaded connection. The right-angle check valve has three forms of threaded connection, plate connection and flange connection. A pilot operated check valve, also known as a latching valve or a pressure retaining valve, is the same as a check valve and prevents reverse flow of oil. However, when the reverse flow of oil flow is required in the hydraulic circuit, the control oil pressure can be used to open the check valve to make the oil flow in both directions
One-way stop valve is higher in the leakproofness requirement to the installation, but present one-way stop valve is simply connected with input output tube through the screw thread, and the leakproofness is not good, and the valve rod on the turning handle that general control flap opened and closed exposes outside for a long time, suffers the erosion easily, and then influences the life of valve. Therefore, the utility model provides an one-way stop valve to solve the problem that proposes in the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an one-way stop valve 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 one-way stop valve comprises a valve body, wherein valve pipes are connected to the left side and the right side of the valve body, an input pipe and an output pipe are arranged at the outer ends of the left valve pipe and the right valve pipe respectively, sealing side strips are arranged on the periphery of the connecting positions of the valve pipes and the input pipe and the output pipe respectively, and a sealing strip is arranged between the two sealing side strips; the upper portion of the valve body is provided with a sealing protection box, the inside of the sealing protection box is rotatably connected with a first bevel gear, the inside of the valve body is provided with a valve rod, the upper end of the valve rod is fixedly connected with a second bevel gear located inside the sealing protection box, and the second bevel gear is meshed with the first bevel gear.
As a further aspect of the present invention: the valve is characterized in that threaded pipes are fixedly connected to one ends of the input pipe and the output pipe, and internal threads corresponding to the threaded pipes are arranged inside the valve pipe.
As a further aspect of the present invention: the periphery of the joint of the valve pipe, the input pipe and the output pipe is provided with a clamping ring, and the clamping groove corresponding to the sealing side strip is formed in the outer side of the clamping ring.
As a further aspect of the present invention: two the fluting that the sealed side strip formed corresponding the sealing strip, and the inboard of sealing strip is provided with the rubber leather strap.
As a further aspect of the present invention: the sealing strip is a plastic adhesive tape in a semi-circular ring shape, and two connecting bolts and fixing nuts are arranged at two ends of the sealing strip.
As a further aspect of the present invention: the outer side of the sealing protection box is provided with a rotary table, the rotary table is fixedly connected with a bevel gear I in the sealing protection box, and the edge of the outer side face of the rotary table is fixedly connected with a handle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a setting corresponds the sealed side strip of draw-in groove, and the relexing corresponds the sealing strip of two sealed side strips, seals the joint line of valve pipe and input-output tube to improve the connection leakproofness of valve body and pipeline.
2. The utility model discloses a protect the upper portion of valve rod in sealed protection box, prevent that outside rainwater environment from corroding, lead to the valve body corrosion to influence the use, and compare and rotate in the turning handle, rotate the mode that the side carousel opened and close the valve through setting up, it is more convenient laborsaving.
Drawings
Fig. 1 is a schematic structural diagram of a one-way stop valve.
Fig. 2 is a schematic view of a connection structure of a valve pipe and an output pipe in a one-way stop valve.
Fig. 3 is an enlarged schematic view of a check valve at a point a in fig. 2.
Fig. 4 is a schematic structural diagram of a sealing protection box in a one-way stop valve.
In the figure: 1. a valve body; 2. a valve tube; 3. an input tube; 4. an output pipe; 5. sealing the side strips; 6. a sealing strip; 7. a connecting bolt; 8. fixing a nut; 9. sealing the protection box; 10. a turntable; 11. a threaded pipe; 12. an internal thread; 13. a snap ring; 14. rubber leather strips; 15. a first bevel gear; 16. a card slot; 17. a valve stem; 18. and a second bevel gear.
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. 1-4, in the embodiment of the present invention, a one-way stop valve comprises a valve body 1, wherein the left and right sides of the valve body 1 are both connected with a valve tube 2, the outer ends of the left and right valve tubes 2 are respectively provided with an input tube 3 and an output tube 4, one ends of the input tube 3 and the output tube 4 are both fixedly connected with a threaded tube 11, the interior of the valve tube 2 is provided with an internal thread 12 corresponding to the threaded tube 11, the peripheral sides of the joints of the valve tube 2, the input tube 3 and the output tube 4 are both provided with sealing side strips 5, the peripheral sides of the joints of the valve tube 2, the input tube 3 and the output tube 4 are both provided with a snap ring 13, the outer side of the snap ring 13 is provided with a snap groove 16 corresponding to the sealing side strips 5, a sealing strip 6 is arranged between the two sealing side strips 5, the two sealing side strips 5 form a slot corresponding to the sealing strip 6, the, the two ends of the two sealing strips 6 are respectively provided with a connecting bolt 7 and a fixing nut 8, when the one-way valve is installed, the input pipe 3 and the output pipe 4 are connected with the valve pipe 2 through a threaded pipe 11 and an internal thread 12, the sealing side strips 5 are clamped into clamping grooves 16 of clamping rings 13 on the side surfaces of the two pipes, then the two sealing strips 6 are attached to the grooves formed by the two sealing side strips 5, and the two ends of the two sealing strips 6 are fixedly connected through the connecting bolts 7 and the fixing nuts 8 by threads;
the upper portion of the valve body 1 is provided with a sealing protection box 9, the internal rotation of the sealing protection box 9 is connected with a bevel gear 15, the internal portion of the valve body 1 is provided with a valve rod 17, the upper end of the valve rod 17 is fixedly connected with a bevel gear 18 located inside the sealing protection box 9, the bevel gear 18 is meshed with the bevel gear 15, the outer side of the sealing protection box 9 is provided with a rotary table 10, the rotary table 10 is fixedly connected with the bevel gear 15 inside the sealing protection box 9, the outer side edge of the rotary table 10 is fixedly connected with a handle, when the valve body 1 is opened or closed, the handle on the outer side edge of the rotary table 10 is rotated, the rotary table 10 drives the bevel gear 15 inside the sealing protection box 9 to rotate, and the rotating bevel gear 15 is meshed with the bevel gear.
The utility model discloses a theory of operation is:
when the check valve is installed, the input pipe 3 and the output pipe 4 are connected with the valve pipe 2 through the threaded pipe 11 and the internal thread 12, the sealing side strips 5 are clamped into the clamping grooves 16 of the clamping rings 13 on the side surfaces of the two pipes, then the two sealing strips 6 are attached to the grooves formed by the two sealing side strips 5, the two ends of the two sealing strips 6 are fixedly connected with the fixing nuts 8 through the connecting bolts 7 in a threaded mode, when the valve body 1 is opened or closed, the handle on the edge of the outer side surface of the rotary disc 10 is rotated, the rotary disc 10 drives the bevel gear I15 in the sealing protection box 9 to rotate, the rotating bevel gear I15 is meshed with the bevel gear II 18, the valve rod 17 is rotated, and therefore the valve body 1 is controlled.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A one-way stop valve comprises a valve body (1), and is characterized in that valve pipes (2) are connected to the left side and the right side of the valve body (1), an input pipe (3) and an output pipe (4) are arranged at the outer ends of the left valve pipe and the right valve pipe (2) respectively, sealing side strips (5) are arranged on the periphery of the joint of the valve pipes (2) and the input pipe (3) and the output pipe (4), and a sealing strip (6) is arranged between the two sealing side strips (5); the upper portion of the valve body (1) is provided with a sealing protection box (9), the inside of the sealing protection box (9) is rotatably connected with a first bevel gear (15), a valve rod (17) is arranged inside the valve body (1), the upper end of the valve rod (17) is fixedly connected with a second bevel gear (18) located inside the sealing protection box (9), and the second bevel gear (18) is meshed with the first bevel gear (15).
2. A one-way stop valve according to claim 1, characterized in that a threaded pipe (11) is fixedly connected to one end of each of the inlet pipe (3) and the outlet pipe (4), and an internal thread (12) corresponding to the threaded pipe (11) is provided inside the valve pipe (2).
3. The one-way stop valve according to claim 1, characterized in that a snap ring (13) is arranged on the periphery of the joint of the valve pipe (2), the input pipe (3) and the output pipe (4), and a clamping groove (16) corresponding to the sealing side strip (5) is formed on the outer side of the snap ring (13).
4. A non-return stop valve according to claim 1, characterised in that the two sealing side strips (5) form a slot corresponding to the sealing strip (6), and that the sealing strip (6) is provided with a rubber strip (14) on the inside.
5. The one-way stop valve according to claim 1, characterized in that the sealing strips (6) are semicircular annular plastic rubber strips, and both ends of the two sealing strips (6) are provided with connecting bolts (7) and fixing nuts (8).
6. A one-way stop valve according to claim 1, characterized in that a rotary disc (10) is arranged on the outer side of the sealing protection box (9), the rotary disc (10) is fixedly connected with a bevel gear I (15) inside the sealing protection box (9), and a handle is fixedly connected with the edge of the outer side surface of the rotary disc (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022119021.9U CN213655965U (en) | 2020-09-24 | 2020-09-24 | One-way stop valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022119021.9U CN213655965U (en) | 2020-09-24 | 2020-09-24 | One-way stop valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213655965U true CN213655965U (en) | 2021-07-09 |
Family
ID=76697954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022119021.9U Expired - Fee Related CN213655965U (en) | 2020-09-24 | 2020-09-24 | One-way stop valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213655965U (en) |
-
2020
- 2020-09-24 CN CN202022119021.9U patent/CN213655965U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210709 |