CN216344015U - Gate valve convenient to maintain - Google Patents
Gate valve convenient to maintain Download PDFInfo
- Publication number
- CN216344015U CN216344015U CN202123255457.1U CN202123255457U CN216344015U CN 216344015 U CN216344015 U CN 216344015U CN 202123255457 U CN202123255457 U CN 202123255457U CN 216344015 U CN216344015 U CN 216344015U
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- CN
- China
- Prior art keywords
- valve
- gate
- valve body
- annular sealing
- flashboard
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000012423 maintenance Methods 0.000 claims abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model discloses a gate valve convenient to maintain, which comprises a valve body, a valve cover, a valve rod and a gate plate, wherein two sides of the gate plate are in sealing fit with a valve seat arranged in the valve body, two side surfaces of the gate plate are respectively provided with an annular caulking groove, an annular sealing element is fixedly arranged in the annular caulking groove, the outer side of the annular sealing element is provided with an annular sealing surface contacted with the valve seat, one side of the upper end of the valve seat is provided with a fixed lug plate, the fixed lug plate is fixedly connected with the valve body through a screw, the lower end of the valve seat is provided with a positioning insertion block, and the positioning insertion block is in insertion fit with a positioning insertion groove arranged at the bottom of the valve body. The gate plate is provided with the annular caulking groove and the annular sealing piece, the annular sealing piece is convenient to replace after being damaged, the requirement on gate plate maintenance is lowered, the sealing performance of the gate valve body is convenient to maintain, the annular sealing piece can be made of proper materials flexibly according to needs, the corrosion resistance and the wear resistance are further improved, and the service life of the gate valve is prolonged.
Description
Technical Field
The utility model relates to a gate valve, in particular to a gate valve convenient to maintain.
Background
The gate valve is an industrial valve with a flashboard as an opening and closing part. The motion direction of flashboard is perpendicular to the fluid direction, and the flashboard is closing, under the open mode, often receives the washing away of fluid medium, especially under the washing away of high temperature fluid medium, cavitation, the loss is very fast, and the flashboard face takes place to warp easily or corrodes, leads to the valve to be unable to use, and the requirement of repairing these valves is high, and the staff of professional factory generally can't accomplish, need send to in the professional factory to overhaul, and cost of maintenance is too high, therefore the phenomenon that the valve damage was abandoned takes place occasionally, causes very big waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides the gate valve which is convenient to maintain, the sealing surface of the gate plate is easy to repair, and the maintenance cost of the gate valve is effectively reduced.
The utility model adopts the technical scheme for solving the technical problems that: the utility model provides a convenient gate valve of maintaining, includes valve body, valve gap, valve rod and flashboard, and on the valve gap was fixed in the valve body, slidable mounting valve rod on the valve gap, the outer end of valve rod and the support threaded connection of valve gap top, the outer end lower extreme of valve rod rotated with the flashboard and is connected, and the sealed cooperation of the disk seat that sets up in the both sides of flashboard and the valve body, the both sides surface of flashboard all is equipped with an annular caulking groove, and fixed mounting has annular sealing member in the annular caulking groove, and the outside of annular sealing member is equipped with the ring seal face that the disk seat contacted, disk seat upper end one side is equipped with fixed otic placode, and fixed otic placode carries out fixed connection through the screw with the valve body, the lower extreme of disk seat is equipped with the location inserted block, and the location inserted block pegs graft the cooperation with the location slot that the bottom of valve body was equipped with.
For further improvement, a positioning hole is formed in the annular embedding groove, and the positioning hole is in interference fit with a positioning column arranged on the inner side of the annular sealing element.
The gate plate is further improved, a transverse hole is formed between the positioning holes on the left side and the right side, a sliding rod is slidably mounted in the transverse hole, a rack is formed in the middle of the sliding rod, a vertical hole communicated with the transverse hole is formed in the lower end of the gate plate, a rotating shaft is mounted in the vertical hole, and a gear meshed with the rack is fixed on the rotating shaft.
Further perfection, the inner of valve rod is equipped with the jack, the upper end of axis of rotation be equipped with jack complex plug.
Further perfection, the bottom fixed mounting of flashboard has the detachable visor.
The utility model has the beneficial effects that:
1. the gate plate is provided with the annular caulking groove and the annular sealing piece, the annular sealing piece is convenient to replace after being damaged, the requirement on gate plate maintenance is lowered, the sealing performance of the gate valve body is convenient to maintain, the annular sealing piece can be made of appropriate materials flexibly according to needs, the corrosion resistance and the wear resistance are further improved, the application range of the gate valve body is expanded, and the service life of the gate valve is prolonged.
2. The valve seat and the valve body are of a detachable connecting structure, so that the valve body and the valve seat can be conveniently manufactured separately, production and maintenance are reduced, the valve seat surface can be quickly replaced after deformation or corrosion, the sealing performance of the valve seat and the valve plate is further ensured, and the valve seat is simple in structure, reasonable in design and convenient to operate.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic front view of the present invention;
description of reference numerals: 1. the valve comprises a valve body, 2, a valve cover, 3, a valve rod, 4, a gate plate, 5, an annular sealing piece, 6, a fixed lug plate, 7, a positioning insertion block, 8, a positioning column, 9, a transverse hole, 10, a sliding rod, 11, a rack, 12, a vertical hole, 13, a rotating shaft, 14, a gear, 15, a plug, 16, a protective cover, 17 and a valve seat.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
referring to figure 1: the convenient gate valve of maintaining in this embodiment, including valve body 1, valve gap 2, valve rod 3 and flashboard 4, on valve gap 2 was fixed in valve body 1, slidable mounting valve rod 3 on the valve gap 2, the outer end of valve rod 3 and the support threaded connection who sets up in valve gap 2 top, the outer end lower extreme of valve rod 3 rotated with flashboard 4 and is connected, the sealed cooperation of the disk seat that sets up in the both sides of flashboard 4 and the valve body 1, the both sides surface of flashboard 4 all is equipped with an annular caulking groove, and fixed mounting has annular sealing member 5 in the annular caulking groove, and the outside of annular sealing member 5 is equipped with the ring packing face that the disk seat contacted, disk seat upper end one side is equipped with fixed otic placode 6, and fixed otic placode 6 carries out fixed connection through the screw with valve body 1, the lower extreme of disk seat is equipped with location inserted block 7, and the location inserted block 7 is equipped with the location slot grafting cooperation that the bottom of valve body 1. During the use, the pipeline is inserted at the both ends of valve body 1, and the upper end of valve rod 3 can the fixed connection hand wheel, and during clockwise rotation hand wheel, because the support threaded connection of valve rod 3 and valve gap 2 top, valve rod 3 drives flashboard 4 and moves upward and open the valve, makes the pipeline on both sides switch on, and during anticlockwise rotation hand wheel, valve rod 3 drives flashboard 4 and moves down and close the valve, and the annular seal spare 5 on flashboard 4 surface and disk seat 17 surface cooperation realize sealedly. The annular sealing member 5 is convenient to replace after being damaged, the requirement for maintaining the flashboard 4 is reduced, the sealing performance of the gate valve body is convenient to keep, the annular sealing member 5 can flexibly select and use appropriate materials according to needs, the corrosion resistance and the wear resistance are further improved, the application range of the gate valve body is expanded, and the service life of the gate valve is prolonged.
As shown in fig. 2, a positioning hole is formed in the annular caulking groove, and the positioning hole is in interference fit with a positioning column 8 arranged on the inner side of the annular sealing element 5, so that the installation accuracy and firmness of the annular sealing element 5 on the annular caulking groove can be further improved.
A transverse pore passage 9 is arranged between the positioning holes on the left side and the right side, a sliding rod 10 is arranged in the transverse pore passage 9 in a sliding mode, a rack 11 is formed in the middle of the sliding rod 10, a vertical pore passage 12 communicated with the transverse pore passage 9 is formed in the lower end of the flashboard 4, a rotating shaft 13 is arranged on the vertical pore passage 12, and a gear 14 meshed with the rack 11 is fixed on the rotating shaft 13. When annular sealing member 5 needs to be changed, can rotate 13 clockwise with the axis of rotation, the last 14 meshing racks 11 of gear of axis of rotation 13, the slide bar 10 in the horizontal pore 9 of drive removes left, with the ejecting locating hole of reference column 8, make annular sealing member 5 on the left can easily break away from in the annular caulking groove, avoid prying damage flashboard 4 surface with the instrument, with 13 anticlockwise rotations of axis of rotation on the same reason, can dismantle annular sealing member 5 on the right.
The inner of valve rod 3 is equipped with the jack, the upper end of axis of rotation 13 be equipped with jack complex plug 15 can make valve rod 3 be connected more firmly with flashboard 4, combines inseparabler. The plug hole is matched with the plug 15 in a rotating mode, and the rotating shaft 13 cannot be influenced by the rotating of the valve rod 3.
The bottom fixed mounting of flashboard 4 has detachable visor 16, can strengthen the corrosion resisting property of flashboard 4 bottom, forms the protection to flashboard or axis of rotation 13, has improved the sealing performance of valve.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (5)
1. The utility model provides a convenient gate valve of maintaining, includes valve body (1), valve gap (2), valve rod (3) and flashboard (4), on valve gap (2) were fixed in valve body (1), slidable mounting valve rod (3) on valve gap (2), the outer end of valve rod (3) and the support threaded connection of valve gap (2) top, the outer end lower extreme of valve rod (3) rotates with flashboard (4) to be connected, the sealed cooperation of the disk seat that sets up in both sides and valve body (1) of flashboard (4), its characterized in that: the both sides surface of flashboard (4) all is equipped with an annular caulking groove, and fixed mounting has annular sealing member (5) in the annular caulking groove, and the outside of annular sealing member (5) is equipped with the annular sealing face that the disk seat contacted, disk seat upper end one side is equipped with fixed otic placode (6), and fixed otic placode (6) carry out fixed connection through the screw with valve body (1), the lower extreme of disk seat is equipped with location inserted block (7), and location inserted block (7) are pegged graft the cooperation with the location slot that the bottom of valve body (1) was equipped with.
2. A gate valve for facilitating maintenance according to claim 1, wherein: and a positioning hole is arranged in the annular caulking groove and is in interference fit with a positioning column (8) arranged on the inner side of the annular sealing element (5).
3. A gate valve for facilitating maintenance according to claim 2, wherein: the left side and the right side are provided with transverse hole channels (9) between the positioning holes, sliding rods (10) are arranged in the transverse hole channels (9) in a sliding mode, racks (11) are formed in the middle of the sliding rods (10), vertical hole channels (12) communicated with the transverse hole channels (9) are formed in the lower ends of the gate plates (4), rotating shafts (13) are installed in the vertical hole channels (12), and gears (14) meshed with the racks (11) are fixed on the rotating shafts (13).
4. A gate valve for facilitating maintenance according to claim 3, wherein: the inner end of the valve rod (3) is provided with a jack, and the upper end of the rotating shaft (13) is provided with a plug (15) matched with the jack.
5. A gate valve for facilitating maintenance according to claim 1 or 3, wherein: the bottom of flashboard (4) is fixed with detachable visor (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123255457.1U CN216344015U (en) | 2021-12-22 | 2021-12-22 | Gate valve convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123255457.1U CN216344015U (en) | 2021-12-22 | 2021-12-22 | Gate valve convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216344015U true CN216344015U (en) | 2022-04-19 |
Family
ID=81165747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123255457.1U Active CN216344015U (en) | 2021-12-22 | 2021-12-22 | Gate valve convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216344015U (en) |
-
2021
- 2021-12-22 CN CN202123255457.1U patent/CN216344015U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 No. 538, Hongrui Road, industrial park, Shacheng street, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Huadu Valve Group Co.,Ltd. Address before: 325000 No. 538, Hongrui Road, industrial park, Shacheng street, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee before: Wenzhou Huadu Valve Co.,Ltd. |