CN214662164U - Compact quick opening and closing gate valve - Google Patents
Compact quick opening and closing gate valve Download PDFInfo
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- CN214662164U CN214662164U CN202120698455.0U CN202120698455U CN214662164U CN 214662164 U CN214662164 U CN 214662164U CN 202120698455 U CN202120698455 U CN 202120698455U CN 214662164 U CN214662164 U CN 214662164U
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- valve body
- flashboard
- rocker
- valve
- compact
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Abstract
The utility model discloses a compact fast open-close type gate valve, which comprises a valve body, a flashboard and an operating mechanism, wherein the valve body is provided with a channel with two communicated ends, the flashboard is arranged in the valve body, and the operating mechanism is connected with the flashboard and is used for driving the flashboard to lift and close the channel; the operating mechanism comprises a handle arranged outside the valve body and a rocker arranged inside the valve body, wherein one end of the rocker is provided with a linkage part, the other end of the rocker is provided with a rotating shaft part, the linkage part penetrates through one end of the valve body and the handle to be connected in a linkage manner, the length of the rocker is smaller than that of the handle, and the rotating shaft part is hinged to the flashboard. The utility model has the advantages of compact structure, low torque, short opening and closing time and good sealing performance.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a compact type gate valve of opening and close fast.
Background
In water conservancy and oil gas, steam pipeline systems, the gate valve is a widely used control valve, and its opening and closing member (gate plate) makes lifting movement in the plane perpendicular to the central line of the valve passage to control the full opening and closing of the valve, so as to cut off or connect the medium in the pipeline. The opening and closing piece of the traditional gate valve is characterized in that a hand wheel or other driving forms outside a valve body drive a screw rod to transmit, and a gate plate is lifted up or put down to realize opening and closing. The valve rod rotates for a circle to drive the flashboard to ascend or descend for a pitch distance, when the drift diameter of the valve is large, the rotating stroke is long, the opening and closing speed is low, the labor intensity of workers is high, and the working efficiency is low. For some use occasions requiring quick opening or closing of the valve, the existing screw-thread screwing opening type gate valve is difficult to adapt to and meet the use requirements. Meanwhile, after the gate valve is opened, the gate plate must be completely arranged above the channel, and the valve rod connected with the gate plate is lifted by a corresponding distance. Therefore, the height of the gate valve is required to be larger than 3 times of the size of the drift diameter of the valve, so that the requirement can be met, the occupied space is large, and the overall volume of the device is influenced.
Meanwhile, with the continuous development of industry and the requirement of modular construction of engineering equipment, the requirement on the opening and closing sensitivity of the valve is stricter and stricter, and the requirement on the valve with small volume is more and more.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compact type gate valve that opens and shuts fast, the utility model has the advantages of compact structure, low moment of torsion, open and close the time weak point and the leakproofness is good.
In order to achieve the above object, the utility model provides a following technical scheme: the compact quick opening and closing gate valve comprises a valve body, a gate plate and an operating mechanism, wherein a channel with two communicated ends is arranged on the valve body, the gate plate is arranged in the valve body, and the operating mechanism is connected with the gate plate and used for driving the gate plate to lift and lower to open and close the channel; the operating mechanism comprises a handle arranged outside the valve body and a rocker arranged inside the valve body, wherein one end of the rocker is provided with a linkage part, the other end of the rocker is provided with a rotating shaft part, the linkage part penetrates through one end of the valve body and the handle to be connected in a linkage manner, the length of the rocker is smaller than that of the handle, and the rotating shaft part is hinged to the flashboard.
Through adopting above-mentioned technical scheme, form operating device by rocker and handle, drive the rocker through operating handle and rotate, make rocker and flashboard produce the linkage to realize the lift of flashboard, realize opening and close of passageway on the valve promptly, this operating device simple structure, the valve is opened and close the stroke and is short, can realize the effect of opening and close fast, simultaneously, because flashboard length is greater than the length of rocker, this structure adopts the mode greatly reduced operating torque of lever principle promptly, has the laborsaving advantage of opening and close convenient operation.
The utility model discloses further set up to, the flashboard includes flashboard frame and two flashboard main parts, and two flashboard main part symmetries set up on the both ends face of flashboard frame, the lateral part of flashboard is equipped with the connecting plate that extends to the periphery, the outer end and the rocker of connecting plate are articulated mutually.
Through adopting above-mentioned technical scheme, realize being connected of rocker and flashboard, the processing production of being convenient for simultaneously this design of being convenient for.
The utility model discloses further set up to, be equipped with a mounting groove that is used for the flashboard main part embedding that corresponds on the both ends face of flashboard respectively, the lateral part of flashboard main part is installed and is used for constituting the first O shape circle of extrusion fit with corresponding mounting groove inner wall, install on the interior terminal surface of flashboard main part and be used for constituting extrusion fit's second O shape circle with the terminal surface in corresponding the mounting groove.
Through adopting above-mentioned technical scheme, can make the cooperation between flashboard main part and the flashboard frame inseparabler, promote the steadiness of flashboard main part installation, second O shape circle can preload the flashboard main part simultaneously, guarantees the leakproofness between flashboard and the valve body.
The utility model discloses further set up to, still be equipped with a plurality of through-holes with two mounting grooves intercommunication on the flashboard frame, it is equipped with the spring to inlay in the through-hole, the both ends branch of spring is supported on the interior terminal surface of two flashboard main parts.
Through adopting above-mentioned technical scheme, the spring preloads two flashboard main parts, has further guaranteed the reliability sealed between flashboard and the valve body.
The utility model discloses further set up to, it is equipped with first gasket and second gasket to overlap respectively in linkage portion and the pivot portion, first gasket clamp is established between rocker and valve body inner wall, the second gasket clamp is established between rocker and connecting plate.
Through adopting above-mentioned technical scheme, can increase the life of rocker, reduce frictional force between rocker and the flashboard frame and the frictional force between rocker and the valve body to reduce the operating torque.
The utility model discloses further set up to, the both ends face of flashboard is gone up to be equipped with one and is used for constituting sealed complex sealing washer with the valve body inner wall.
Through adopting above-mentioned technical scheme, can promote the leakproofness between flashboard and the valve body, realize sealed zero leakage under the multiplex condition.
The utility model discloses further set up to, valve body inner wall is planar structure with flashboard complex position.
By adopting the technical scheme, the machining and final size inspection are convenient, the planar structure at the position is used as the valve seat, so that the uniform grinding is convenient, the roughness and the flatness of the sealing surface are ensured, and the sealing surface of the valve seat is uniformly ground without defects.
The utility model discloses further set up to, the valve body includes that well body and symmetry set up left valve body and the right valve body in well body both sides, and left valve body and right valve body are connected through the bolt and with well body clamping between the two, and the both sides branch of well body is equipped with a third O shape circle that acts on left valve body and right valve body.
By adopting the technical scheme, the device has the advantages of simple and compact structure and convenience in processing and production.
The utility model discloses further set up to, be equipped with the pointer in the linkage portion.
Through adopting above-mentioned technical scheme, convenient to use person judges handle turned angle, and then judges the condition of opening and close of flashboard.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a side view of the utility model in its entirety;
fig. 3 is a schematic structural view of the gate plate frame of the present invention;
fig. 4 is a schematic structural view of the shutter of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is a schematic structural diagram of the rocker of the present invention.
In the figure: 1. a valve body; 2. a shutter plate; 3. an operating mechanism; 4. a channel; 5. a handle; 6. a rocker; 7. a linkage section; 8. a rotating shaft part; 9. a gate plate frame; 10. a shutter body; 11. a connecting plate; 12. mounting grooves; 13. a first O-ring; 14. a second O-ring; 15. a through hole; 16. a spring; 17. a first gasket; 18. a second gasket; 19. a seal ring; 20. a middle body; 21. a left valve body; 22. a right valve body; 23. a third O-ring; 24. a pointer.
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.
Example (b): the compact quick opening and closing gate valve shown in the attached figures 1-6 comprises a valve body 1, a gate plate 2 and an operating mechanism 3, wherein a channel 4 with two communicated ends is arranged on the valve body 1, the gate plate 2 is arranged in the valve body 1, and the operating mechanism 3 is connected with the gate plate 2 and is used for driving the gate plate 2 to lift and lower to open and close the channel 4; operating device 3 is including setting up in the outside handle 5 of valve body 1 and setting up in the inside rocker 6 of valve body 1, the one end of rocker 6 is equipped with linkage portion 7, and the other end of rocker 6 is equipped with pivot portion 8, linkage portion 7 runs through the valve body 1 and is connected with the one end linkage of handle 5, and linkage portion 7 is connected through the screw with handle 5, and the two rotates in step to the length of rocker 6 is less than the length of handle 5, pivot portion 8 is articulated mutually with flashboard 2. The operating handle 5 drives the rocker 6 to rotate, so that the rocker 6 and the gate plate 2 are linked, and the gate plate 2 is lifted, namely the opening and closing of the channel 4 on the valve are realized.
As shown in fig. 4, the gate plate 2 includes a gate plate frame 9 and two gate plate main bodies 10, the two gate plate main bodies 10 are symmetrically arranged on two end faces of the gate plate frame 9, a connecting plate 11 extending towards the periphery is arranged on the side portion of the gate plate 2, the outer end of the connecting plate 11 is hinged to the rocker 6, namely, the rotating shaft portion 8 on the rocker 6 is hinged to the connecting plate 11, and the connecting plate 11 is integrated with the gate plate main body 10. This design can realize being connected of rocker 6 and flashboard 2, and the processing production of being convenient for of this design of being convenient for simultaneously.
As shown in fig. 5, two end faces of the gate plate 2 are respectively provided with a mounting groove 12 for inserting a corresponding gate plate main body 10, a first O-ring 13 for forming a press fit with an inner wall of the corresponding mounting groove 12 is mounted on a side portion of the gate plate main body 10, and a second O-ring 14 for forming a press fit with an inner end face of the corresponding mounting groove 12 is mounted on an inner end face of the gate plate main body 10. This design can make the cooperation between flashboard main part 10 and the flashboard frame 9 inseparabler, promotes the steadiness of flashboard main part 10 installation, and second O shape circle 14 can preload flashboard main part 10 simultaneously, guarantees the leakproofness between flashboard 2 and the valve body 1.
As shown in fig. 5, the shutter frame 9 is further provided with a plurality of through holes 15 communicating the two installation grooves 12, a spring 16 is embedded in the through holes 15, and both ends of the spring 16 are abutted against the inner end surfaces of the two shutter main bodies 10. The springs 16 preload the two shutter bodies 10, further ensuring the reliability of the seal between the shutter 2 and the valve body 1.
As shown in fig. 6, the linkage part 7 and the rotating shaft part 8 are respectively sleeved with a first gasket 17 and a second gasket 18, the first gasket 17 is clamped between the rocker 6 and the inner wall of the valve body 1, and the second gasket 18 is clamped between the rocker 6 and the connecting plate 11. This design can increase rocker 6's life, reduces the frictional force between rocker 6 and the flashboard frame 9 and the frictional force between rocker 6 and the valve body 1 to reduce the operating torque.
As shown in fig. 5, the shutter 2 is provided with a sealing ring 19 on both end faces for sealing engagement with the inner wall of the valve body 1. The design can improve the sealing performance between the flashboard 2 and the valve body 1, and realize zero leakage under multiple working conditions.
Wherein, the position that the inner wall of the valve body 1 is matched with the flashboard 2 is of a plane structure. The valve seat is convenient to machine and inspect the final size, the plane structure of the part is used as the valve seat to facilitate uniform grinding, the roughness and the flatness of the sealing surface are ensured, and the sealing surface of the valve seat is uniformly ground without defects.
As shown in fig. 2, the valve body 1 includes a middle body 20, and a left valve body 21 and a right valve body 22 symmetrically disposed at both sides of the middle body 20, the left valve body 21 and the right valve body 22 are connected by bolts and the middle body 20 is clamped therebetween, and both sides of the middle body 20 are respectively provided with a third O-ring 23 acting on the left valve body 21 and the right valve body 22. The design has the advantages of simple and compact structure and convenient processing and production.
As shown in fig. 2, the linkage portion 7 is provided with a pointer 24, and the pointer 24 and the linkage portion 7 rotate synchronously, so that a user can conveniently judge the rotation angle of the handle 5, and further judge the opening and closing condition of the shutter 2.
The working principle is as follows: form operating device 3 by rocker 6 and handle 5, drive rocker 6 through operating handle 5 and rotate, make rocker 6 and flashboard 2 produce the linkage, thereby realize the lift of flashboard 2, realize opening and close of passageway 4 on the valve promptly, this operating device 3 simple structure, the valve is opened and close the stroke weak point, can realize the effect of opening and close fast, and simultaneously, because flashboard 2 length is greater than the length of rocker 6, this structure adopts the mode greatly reduced operating torque of lever principle promptly, have the laborsaving advantage of opening and close convenient operation.
Claims (9)
1. The compact quick opening and closing type gate valve comprises a valve body (1), a gate plate (2) and an operating mechanism (3), wherein a channel (4) with two communicated ends is arranged on the valve body (1), the gate plate (2) is arranged in the valve body (1), and the operating mechanism (3) is connected with the gate plate (2) and used for driving the gate plate (2) to lift and close the channel (4); the method is characterized in that: operating device (3) are including setting up in outside handle (5) of valve body (1) and setting up in inside rocker (6) of valve body (1), the one end of rocker (6) is equipped with linkage portion (7), and the other end of rocker (6) is equipped with pivot portion (8), linkage portion (7) run through the valve body (1) and are connected with the one end linkage of handle (5) to the length of rocker (6) is less than the length of handle (5), pivot portion (8) are articulated mutually with flashboard (2).
2. The compact rapid opening and closing gate valve of claim 1, wherein: flashboard (2) include flashboard frame (9) and two flashboard main parts (10), and two flashboard main parts (10) symmetry set up on the both ends face of flashboard frame (9), the lateral part of flashboard (2) is equipped with connecting plate (11) that extend to the periphery, the outer end and rocker (6) of connecting plate (11) are articulated mutually.
3. The compact rapid opening and closing gate valve of claim 2, wherein: be equipped with one respectively on the both ends face of flashboard (2) and be used for flashboard main part (10) embedding that corresponds mounting groove (12), the lateral part of flashboard main part (10) is installed and is used for constituting extrusion fit's first O shape circle (13) with corresponding mounting groove (12) inner wall, install on the interior terminal surface of flashboard main part (10) and be used for constituting extrusion fit's second O shape circle (14) with corresponding mounting groove (12) interior terminal surface.
4. The compact quick opening and closing gate valve of claim 3, wherein: still be equipped with a plurality of through-holes (15) with two mounting grooves (12) intercommunication on flashboard frame (9), inlay in through-hole (15) and be equipped with spring (16), the both ends branch of spring (16) is supported on the interior terminal surface of two flashboard main parts (10).
5. The compact rapid opening and closing gate valve of claim 2, wherein: the linkage part (7) and the rotating shaft part (8) are respectively sleeved with a first gasket (17) and a second gasket (18), the first gasket (17) is clamped between the rocker (6) and the inner wall of the valve body (1), and the second gasket (18) is clamped between the rocker (6) and the connecting plate (11).
6. The compact rapid opening and closing gate valve of claim 1, wherein: and the two end faces of the flashboard (2) are respectively provided with a sealing ring (19) which is used for forming sealing fit with the inner wall of the valve body (1).
7. The compact rapid opening and closing gate valve of claim 1, wherein: the inner wall of the valve body (1) is in a plane structure with the matched part of the flashboard (2).
8. The compact rapid opening and closing gate valve of claim 1, wherein: the valve body (1) comprises a middle body (20), a left valve body (21) and a right valve body (22) which are symmetrically arranged on two sides of the middle body (20), the left valve body (21) and the right valve body (22) are connected through bolts and clamp the middle body (20) between the left valve body and the right valve body, and two sides of the middle body (20) are respectively provided with a third O-shaped ring (23) acting on the left valve body (21) and the right valve body (22).
9. The compact rapid opening and closing gate valve of claim 1, wherein: and a pointer (24) is arranged on the linkage part (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120698455.0U CN214662164U (en) | 2021-04-06 | 2021-04-06 | Compact quick opening and closing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120698455.0U CN214662164U (en) | 2021-04-06 | 2021-04-06 | Compact quick opening and closing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662164U true CN214662164U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120698455.0U Active CN214662164U (en) | 2021-04-06 | 2021-04-06 | Compact quick opening and closing gate valve |
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| Country | Link |
|---|---|
| CN (1) | CN214662164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542736A (en) * | 2022-01-22 | 2022-05-27 | 方正阀门集团股份有限公司 | Large-caliber double-sealing vacuum gate valve |
-
2021
- 2021-04-06 CN CN202120698455.0U patent/CN214662164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542736A (en) * | 2022-01-22 | 2022-05-27 | 方正阀门集团股份有限公司 | Large-caliber double-sealing vacuum gate valve |
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