CN216590020U - Gate valve with combined valve cover - Google Patents
Gate valve with combined valve cover Download PDFInfo
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- CN216590020U CN216590020U CN202122315995.9U CN202122315995U CN216590020U CN 216590020 U CN216590020 U CN 216590020U CN 202122315995 U CN202122315995 U CN 202122315995U CN 216590020 U CN216590020 U CN 216590020U
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Abstract
The utility model relates to the technical field of gates, in particular to a gate valve with a combined valve cover, which comprises a valve seat, a valve cover, a valve plate, a valve rod, a sealing element, a driving mechanism and a sliding element, wherein the valve seat is provided with a valve seat; the valve seat is provided with a valve cavity and a sliding cavity communicated with the valve cavity, the two ends of the valve cavity are provided with a fluid inlet and a fluid outlet, the valve cover is arranged on the valve seat and can cover an opening at one end of the sliding cavity far away from the valve cavity, the valve plate can be connected to the sliding cavity in a sliding way, and the valve rod can be rotationally connected to the valve cover and can be in driving connection with the valve plate; the driving mechanism is arranged on the valve plate; the sliding part can be connected to the valve plate in a sliding mode, the sliding part is in driving connection with the driving mechanism, the sealing piece is installed on the sliding part, the end portion of the sealing piece can be abutted to the end wall of the sliding cavity, or the sealing piece is installed on the end wall of the sliding cavity, and the end portion of the sealing piece can be abutted to the sliding part.
Description
Technical Field
The application relates to the technical field of gates, in particular to a gate valve with a combined valve cover.
Background
A gate valve is a common valve used to control the flow and shut-off of various types of fluids in a pipeline. In the transportation operation of substances such as oil, gas, water and the like, gate valves are arranged on pipelines. The existing gate valve generally comprises a valve seat, a valve cover, a valve plate, a valve rod, a sealing element and other components, wherein a valve cavity is arranged on the valve seat, two ends of the valve cavity are provided with a fluid inlet and a fluid outlet, a sliding cavity communicated with the valve cavity is further arranged on the valve seat, the valve cover can cover an opening of the sliding cavity far away from one end of the valve cavity, the valve plate is arranged on the sliding cavity in a sliding mode so that the fluid inlet and the fluid outlet are communicated or cut off, the valve rod can drive the valve plate to slide, opening or closing of the gate valve is further achieved, and the sealing element is arranged on the valve plate and is abutted against the end wall of the sliding cavity so that sealing performance when the fluid inlet and the fluid outlet are cut off can be achieved.
However, because the valve plate slides in-process, the sealing member all the time with slide chamber end wall butt to cause the continuous wearing and tearing of sealing member very easily, and then make the sealing member sealed the effect relatively poor, and sealing member life also shorter, be unfavorable for the use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the problems, the application provides a gate valve with a combined valve cover.
(II) technical scheme
In order to achieve the above purpose, the present application provides the following technical solutions: a gate valve with a combined valve cover comprises a valve seat, a valve cover, a valve plate, a valve rod, a sealing element, a driving mechanism and a sliding element; the valve seat is provided with a valve cavity and a sliding cavity communicated with the valve cavity, the two ends of the valve cavity are provided with a fluid inlet and a fluid outlet, the valve cover is arranged on the valve seat and can cover an opening at one end of the sliding cavity far away from the valve cavity, the valve plate can be connected to the sliding cavity in a sliding way, and the valve rod can be rotationally connected to the valve cover and can be in driving connection with the valve plate; the driving mechanism is arranged on the valve plate; the sliding piece can be connected to the valve plate in a sliding mode and is in driving connection with the driving mechanism, the sealing piece is installed on the sliding piece, the end portion of the sealing piece can be abutted to the end wall of the sliding cavity, or the sealing piece is installed on the end wall of the sliding cavity, and the end portion of the sealing piece can be abutted to the sliding piece; the driving mechanism can drive the sliding piece to slide close to the end wall of the sliding cavity so as to enable the end part of the sealing piece to be abutted against the sliding piece or the end wall of the sliding cavity; or the drive mechanism may drive the slider to slide away from the end wall of the sliding chamber to separate the end of the seal from the slider or the end wall of the sliding chamber.
Preferably, the driving mechanism comprises a driving part and a driving arm, the driving part is slidably connected to the valve plate, a first end of the driving part can abut against the valve seat, one end of the driving arm is rotatably connected with the driving part, and the other end of the driving arm is rotatably connected with the sliding part, wherein the driving arm can be adjusted in a sliding manner to drive the sliding part to slide close to or far away from the end wall of the sliding cavity.
Preferably, the driving mechanism further comprises an elastic member, a protruding portion is arranged on the driving member, the elastic member is sleeved on the driving member, one end of the elastic member abuts against the protruding portion, and the other end of the elastic member abuts against the valve plate.
Preferably, the driving mechanism further comprises a limiting member, a limiting groove is formed in the valve plate, the limiting member is mounted at the second end of the driving member, and two ends of the limiting member extend into the limiting groove.
Preferably, the valve plate is further provided with a connecting column, and the sliding piece is provided with a connecting hole which can be matched and connected with the connecting column, so that the sliding piece can be slidably connected to the valve plate.
Preferably, the gate valve with the combined valve cap further comprises a handle which is detachably connected to the valve rod and is arranged outside the valve cap.
(III) advantageous effects
The application provides a gate valve with combination formula valve gap possesses following beneficial effect: the valve rod drives the valve plate to slide, so that the communication or the cut-off of the fluid inlet and the fluid outlet can be realized, when the fluid inlet and the fluid outlet are in a communication state, the driving mechanism can drive the two sliding parts to mutually approach and slide, so that the end part of the sealing element is separated from the end wall of the sliding cavity, and when the valve plate is continuously adjusted in a sliding manner, the sealing element cannot generate continuous friction loss with the end wall of the sliding cavity, so that the sealing element is protected, and the sealing effect and the service life of the sealing element cannot be reduced; when the fluid inlet and the fluid outlet are in a cut-off state, the driving mechanism can drive the two sliding pieces to slide away from each other, so that the end part of the sealing piece is tightly abutted to the end wall of the sliding cavity, and a good sealing effect is realized. Generally speaking, when this gate valve slide adjusting valve plate, sealing member tip can not lead to the fact the continuous sliding wear of sealing member with the chamber endwall butt that slides to can not cause, and then make the sealing member have better sealing performance and longer life, in order to facilitate the use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application and not to limit the application, in which:
FIG. 1 shows an overall structural schematic of an embodiment of the present application;
FIG. 2 shows a cross-sectional view of an embodiment of the present application;
FIG. 3 shows an enlarged view of portion A of FIG. 2;
FIG. 4 shows a schematic structural view of a valve plate in an embodiment of the present application;
fig. 5 shows a schematic structural view of a slider in an embodiment of the present application.
In the figure: 2 valve seats, 21 valve cavities, 22 sliding cavities, 3 valve covers, 4 valve plates, 41 limiting grooves, 42 connecting columns, 5 valve rods, 6 sealing pieces, 7 driving mechanisms, 71 driving pieces, 72 driving arms, 73 elastic pieces, 74 limiting pieces, 8 sliding pieces, 81 connecting holes and 9 handles.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 5, the present application provides a gate valve with a combined valve cover, including a valve seat 2, a valve cover 3, a valve plate 4, a valve rod 5, a sealing member 6, a driving mechanism 7, and a sliding member 8;
the valve seat 2 is provided with a valve cavity 21 and a sliding cavity 22 communicated with the valve cavity 21, two ends of the valve cavity 21 are provided with a fluid inlet and a fluid outlet, the valve cover 3 is arranged on the valve seat 2 and can cover an opening at one end of the sliding cavity 22 far away from the valve cavity 21, the valve plate 4 can be slidably connected on the sliding cavity 22, and the valve rod 5 can be rotatably connected on the valve cover 3 and can be in driving connection with the valve plate 4;
the driving mechanism 7 is arranged on the valve plate 4;
the sliding piece 8 can be connected with the valve plate 4 in a sliding way, the sliding piece 8 is connected with the driving mechanism 7 in a driving way, the sealing piece 6 is arranged on the sliding piece 8, and the end part of the sealing piece 6 can be abutted against the end wall of the sliding cavity 22, or the sealing piece 6 is arranged on the end wall of the sliding cavity 22, and the end part of the sealing piece 6 can be abutted against the sliding piece 8;
wherein the driving mechanism 7 can drive the sliding piece 8 to slide close to the end wall of the sliding cavity 22 so as to enable the end part of the sealing piece 6 to be abutted with the sliding piece 8 or the end wall of the sliding cavity 22; or the drive mechanism 7 may drive the slide 8 to slide away from the end wall of the slide chamber 22 to separate the end of the seal 6 from the slide 8 or the end wall of the slide chamber 22.
In this embodiment, the sealing member 6 is mounted on the sliding member 8 for illustration, a mounting groove for mounting the sealing member 6 is provided on the sliding member 8, the sealing member 6 and the sliding member 8 are both provided with two pieces and are arranged corresponding to the fluid inlet and the fluid outlet, when the fluid inlet and the fluid outlet are in a communication state, the two sliding members 8 are close to each other, so that the end portion of the sealing member 6 is separated from the end wall of the sliding chamber 22; when the fluid inlet and outlet are in the shut-off condition, the two slides 8 move away from each other so that the ends of the sealing member 6 abut the end walls of the sliding chamber 22. The valve rod 5 is connected with the valve plate 4 in a threaded manner, and the valve rod 5 can be rotated to drive the valve plate 4 to slide. In order to reduce the rotational friction of the valve stem 5, the valve stem 5 may be rotatably coupled to the bonnet 3 through a bearing.
According to the scheme, the valve plate 4 is driven to slide by the valve rod 5, so that the communication or the cut-off of the fluid inlet and the fluid outlet can be realized, when the fluid inlet and the fluid outlet are in a communication state, the driving mechanism 7 can drive the two sliding pieces 8 to mutually approach and slide, so that the end part of the sealing piece 6 is separated from the end wall of the sliding cavity 22, and when the valve plate 4 is continuously adjusted in a sliding manner, the sealing piece 6 cannot generate continuous friction loss with the end wall of the sliding cavity 22, and further the sealing piece 6 is protected, so that the sealing effect and the service life of the sealing piece 6 cannot be reduced; when the fluid inlet and the fluid outlet are in the cut-off state, the driving mechanism 7 can drive the two sliding pieces 8 to slide away from each other, so that the end part of the sealing member 6 is tightly abutted to the end wall of the sliding cavity 22, and good sealing effect is realized. Generally speaking, when the valve plate 4 is adjusted in a sliding mode, the end portion of the sealing element 6 cannot abut against the end wall of the sliding cavity 22, so that continuous sliding abrasion of the sealing element 6 cannot be caused, and the sealing element 6 has better sealing performance and longer service life and is convenient to use.
Further, the driving mechanism 7 drives the sliding piece 8 to slide for convenience, so as to meet the use requirement. The driving mechanism 7 comprises a driving member 71 and a driving arm 72, the driving member 71 is slidably connected to the valve plate 4, a first end of the driving member 71 can abut against the valve seat 2, one end of the driving arm 72 is rotatably connected to the driving member 71, and the other end of the driving arm 72 is rotatably connected to the sliding member 8, wherein the driving arm 72 is slidably adjusted to drive the sliding member 8 to slide close to or far away from the end wall of the sliding cavity 22.
In this embodiment, when the first end of the driving element 71 slides close to the valve plate 4, the driving arm 72 is driven to drive the sliding element 8 to slide close to the end wall of the sliding cavity 22, so as to meet the sealing requirement of the sealing element 6; conversely, when the first end of the driving member 71 slides away from the valve plate 4, the driving arm 72 is driven to drive the sliding member 8 to slide away from the end wall of the sliding cavity 22, so that the sealing member 6 is not worn when the valve plate 4 is slidably adjusted.
Further, in order to enable the first end of the driver 71 to automatically slide away from the valve plate 4, the seal 6 is not subject to continuous wear. The driving mechanism 7 further includes an elastic member 73, a protrusion is disposed on the driving member 71, the elastic member 73 is sleeved on the driving member 71, one end of the elastic member 73 abuts against the protrusion, and the other end abuts against the valve plate 4.
In the present embodiment, the elastic member 73 is preferably a compression spring. When the valve plate 4 is adjusted to a set position in a sliding manner, the first end of the driving piece 71 is abutted to the valve seat 2, the valve plate 4 is adjusted in a sliding manner in the same direction, the first end of the driving piece 71 is close to the valve plate 4 to slide, so that the sliding piece 8 can be driven to slide and adjust until the fluid inlet and the fluid outlet are completely cut off, and at the moment, the elastic piece 73 is in a compressed state; conversely, valve plate 4 is adjusted by reverse sliding, and under the action of the elastic force of elastic element 73, first end of driving element 71 slides away from valve plate 4, so that sliding element 8 can be driven to adjust by sliding, and fluid inlet and fluid outlet are communicated, and the use requirement is met.
Further, in order to avoid the driving member 71 from being separated from the valve plate 4 during the slide adjustment to affect the use. The driving mechanism 7 further includes a limiting member 74, the valve plate 4 is provided with a limiting groove 41, the limiting member 74 is mounted on the second end of the driving member 71, and two ends of the limiting member 74 extend into the limiting groove 41.
In this embodiment, the limiting member 74 is a limiting rod, the limiting rod is connected to the second end of the driving member 71, and two ends of the limiting rod extend into the limiting groove 41, so that the driving member 71 can be prevented from separating from the valve plate 4 during the sliding process, and the normal use of the driving member can be ensured.
Further, in order to facilitate the sliding connection between the sliding member 8 and the valve plate 4, so as to meet the use requirement, the valve plate 4 is further provided with a connecting column 42, and the sliding member 8 is provided with a connecting hole 81 which is matched and connected with the connecting column 42, so that the sliding member 8 can be slidably connected to the valve plate 4.
Further, in order to facilitate the rotation adjustment of the valve rod 5 so as to meet the use requirement, the gate valve with the combined valve cover further comprises a handle 9, wherein the handle 9 is detachably connected to the valve rod 5 and is arranged outside the valve cover 3. In this embodiment, the handle 9 may be detachably connected to the valve stem 5 by a connecting pin, thereby facilitating the rotational adjustment of the valve stem 5.
It should also be noted that while the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A gate valve with a combined valve cover comprises a valve seat (2), a valve cover (3), a valve plate (4), a valve rod (5) and a sealing element (6), wherein a valve cavity (21) and a sliding cavity (22) communicated with the valve cavity (21) are arranged on the valve seat (2), two ends of the valve cavity (21) are provided with a fluid inlet and a fluid outlet, the valve cover (3) is arranged on the valve seat (2) and can cover an opening at one end, far away from the valve cavity (21), of the sliding cavity (22), the valve plate (4) is connected onto the sliding cavity (22) in a sliding mode, and the valve rod (5) is connected onto the valve cover (3) in a rotating mode and can be in driving connection with the valve plate (4), and the gate valve with the combined valve cover is characterized by further comprising a driving mechanism (7) and a sliding piece (8);
the driving mechanism (7) is arranged on the valve plate (4);
the sliding piece (8) is connected to the valve plate (4) in a sliding mode, the sliding piece (8) is connected with the driving mechanism (7) in a driving mode, the sealing piece (6) is installed on the sliding piece (8), the end portion of the sealing piece (6) can abut against the end wall of the sliding cavity (22), or the sealing piece (6) is installed on the end wall of the sliding cavity (22), and the end portion of the sealing piece (6) can abut against the sliding piece (8);
wherein the driving mechanism (7) can drive the sliding piece (8) to slide close to the end wall of the sliding cavity (22) so as to enable the end of the sealing piece (6) to abut against the sliding piece (8) or the end wall of the sliding cavity (22); or the driving mechanism (7) can drive the sliding piece (8) to slide away from the end wall of the sliding cavity (22) so as to separate the end part of the sealing piece (6) from the sliding piece (8) or the end wall of the sliding cavity (22).
2. A gate valve with a combined valve cover according to claim 1, wherein the driving mechanism (7) comprises a driving member (71) and a driving arm (72), the driving member (71) is slidably connected to the valve plate (4), a first end of the driving member (71) can abut against the valve seat (2), one end of the driving arm (72) is rotatably connected to the driving member (71), and the other end of the driving arm is rotatably connected to the sliding member (8), wherein the driving member (71) is slidably adjusted to drive the driving arm (72) to drive the sliding member (8) to slide close to or far away from the end wall of the sliding cavity (22).
3. A gate valve with a combined valve cover according to claim 2, wherein the driving mechanism (7) further comprises an elastic member (73), a protrusion is disposed on the driving member (71), the elastic member (73) is sleeved on the driving member (71), one end of the elastic member (73) abuts against the protrusion, and the other end of the elastic member (73) abuts against the valve plate (4).
4. A gate valve with a combined valve cover according to claim 3, wherein the driving mechanism (7) further comprises a limiting member (74), a limiting groove (41) is formed on the valve plate (4), the limiting member (74) is installed on the second end of the driving member (71), and both ends of the limiting member (74) extend into the limiting groove (41).
5. A gate valve with a combined valve cover according to claim 1, wherein the valve plate (4) is further provided with a connecting column (42), and the sliding member (8) is provided with a connecting hole (81) which can be mutually matched and connected with the connecting column (42) so that the sliding member (8) can be slidably connected to the valve plate (4).
6. A gate valve with a combined valve cover according to claim 1, further comprising a handle (9), wherein the handle (9) is detachably connected to the valve rod (5) and is arranged outside the valve cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122315995.9U CN216590020U (en) | 2021-09-24 | 2021-09-24 | Gate valve with combined valve cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122315995.9U CN216590020U (en) | 2021-09-24 | 2021-09-24 | Gate valve with combined valve cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216590020U true CN216590020U (en) | 2022-05-24 |
Family
ID=81637619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122315995.9U Active CN216590020U (en) | 2021-09-24 | 2021-09-24 | Gate valve with combined valve cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216590020U (en) |
-
2021
- 2021-09-24 CN CN202122315995.9U patent/CN216590020U/en active Active
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