CN208123485U - A kind of manual knife gate valve - Google Patents
A kind of manual knife gate valve Download PDFInfo
- Publication number
- CN208123485U CN208123485U CN201820230726.8U CN201820230726U CN208123485U CN 208123485 U CN208123485 U CN 208123485U CN 201820230726 U CN201820230726 U CN 201820230726U CN 208123485 U CN208123485 U CN 208123485U
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- China
- Prior art keywords
- valve
- stem nut
- valve stem
- valve body
- flashboard
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Abstract
The utility model relates to gate valve technical fields, especially a kind of manual knife gate valve, including valve body, the valve body upper end is connected with bracket, the pedestal upper end is equipped with transmission mechanism, the transmission mechanism includes the valve stem nut for being rotatably connected on internal stent, the valve stem nut outer cover is equipped with outer shaft, it is equipped with bearing between the outer shaft and rack inner wall and spells cap, thrust ball bearing is equipped between the outer shaft bottom and valve stem nut base flange, the valve stem nut top is arranged with handwheel, flat key is equipped between the handwheel and valve stem nut, the valve stem nut tip exterior is threaded with round nut, the valve stem nut internal whorl is connected with valve rod, the valve rod bottom end is connected with U-board, the U-board bottom is connected with flashboard by stud, the flashboard is placed in valve body.The utility model has lesser installation space, and operating pressure is low, is not easy to accumulate sundries, low cost.
Description
Technical field
The utility model relates to gate valve technical field more particularly to a kind of manual knife gate valves.
Background technique
Gate valve is to make opening and closing element with flashboard and move along valve seat axis vertical direction, to realize the valve of switching motion.Lock
Valve can only standard-sized sheet and Quan Guan, opening and closing element is flashboard, and the direction of motion is perpendicular with flow direction, two sealing surfaces of rectangular I-shaped gate valve
Formed wedge shape, key groove it is different with valve parameter, usually 5 °, when medium temperature is not high for 2 ° 52 '.The technique for improving gate valve
Property, the deviation that sealing surface angle generates in process is made up, this flashboard is called flexible disc.
Present knife gate valve service life is not grown, and is opened and closed more laborious.
Utility model content
Purpose of the utility model is to solve the bad disadvantages of knife gate valve using effect in the prior art, and propose
A kind of manual knife gate valve.
To achieve the goals above, the utility model uses following technical solution：
A kind of manual knife gate valve, including valve body are designed, the valve body upper end is connected with bracket, and the pedestal upper end is equipped with
Transmission mechanism, the transmission mechanism include the valve stem nut for being rotatably connected on internal stent, and the valve stem nut outer cover is equipped with
Outer shaft is equipped with bearing and spells cap, the outer shaft bottom and valve stem nut base flange between the outer shaft and rack inner wall
Between be equipped with thrust ball bearing, the valve stem nut top is arranged with handwheel, flat key is equipped between the handwheel and valve stem nut,
The valve stem nut tip exterior is threaded with round nut；
The valve stem nut internal whorl is connected with valve rod, and the valve rod bottom end is connected with U-board, the U-board bottom
It is connected with flashboard by stud, the flashboard is placed in valve body.
Preferably, the valve body top is equipped with packing groove, is filled with graphite packing, the graphite packing in the packing groove
It is placed in flashboard surrounding, graphite packing top is equipped with gland, and the gland is bolted on valve body.
The utility model proposes a kind of manual knife gate valve, beneficial effect is：The utility model has lesser peace
Space is filled, operating pressure is low, is not easy to accumulate sundries, and low cost uses simple, laborsaving, conveniently.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the portion the A structural schematic diagram of the utility model；
Fig. 3 is the portion the B structural schematic diagram of the utility model.
In figure：Flashboard 1, valve rod 2, handwheel 3, bracket 4, valve body 5, thrust ball bearing 6, bearing spell cap 7, round nut 8, flat key
9, outer shaft 10, valve stem nut 11, graphite packing 12, gland 13, U-board 14.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of manual knife gate valve, including valve body 5,5 upper end of valve body are connected with bracket 4, and 4 upper end of bracket is set
There is transmission mechanism, transmission mechanism includes the valve stem nut 11 being rotatably connected on inside bracket 4, and 11 outer cover of valve stem nut is equipped with outer
Axle sleeve 10 is equipped with bearing between 4 inner wall of outer shaft 10 and bracket and spells cap 7,10 bottom of outer shaft and 11 base flange of valve stem nut
Between be equipped with thrust ball bearing 6,11 top of valve stem nut is arranged with handwheel 3, flat key 9 is equipped between handwheel 3 and valve stem nut 11,
11 tip exterior of valve stem nut is threaded with round nut 8；By rotating handwheel 3, rotate valve stem nut 11, band ovable valve stem 2
It moves up and down, valve stem nut 11 and bracket 4 are arranged bearing and spell cap 7, outer shaft 10, guarantee 11 rotating property of valve stem nut.
11 internal whorl of valve stem nut is connected with valve rod 2, and 2 bottom end of valve rod is connected with U-board 14, and 14 bottom of U-board passes through
Stud is connected with flashboard 1, and flashboard 1 is placed in valve body 5.
5 top of valve body is equipped with packing groove, is filled with graphite packing 12 in packing groove, and graphite packing 12 is placed in 1 surrounding of flashboard,
12 top of graphite packing is equipped with gland 13, and gland 13 is bolted on valve body 5, improves leakproofness.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (2)
1. a kind of manual knife gate valve, which is characterized in that including valve body (5), valve body (5) upper end is connected with bracket (4), institute
Bracket (4) upper end is stated equipped with transmission mechanism, the transmission mechanism includes being rotatably connected on the internal valve stem nut of bracket (4)
(11), valve stem nut (11) outer cover is equipped with outer shaft (10), is equipped between the outer shaft (10) and bracket (4) inner wall
Bearing spells cap (7), is equipped with thrust ball bearing (6) between outer shaft (10) bottom and valve stem nut (11) base flange, institute
It states valve stem nut (11) top to be arranged with handwheel (3), is equipped with flat key (9) between the handwheel (3) and valve stem nut (11), it is described
Valve stem nut (11) tip exterior is threaded with round nut (8)；
Valve stem nut (11) internal whorl is connected with valve rod (2), and valve rod (2) bottom end is connected with U-board (14), described
U-board (14) bottom is connected with flashboard (1) by stud, and the flashboard (1) is placed in valve body (5).
2. a kind of manual knife gate valve according to claim 1, which is characterized in that valve body (5) top is equipped with filler
Slot is filled with graphite packing (12) in the packing groove, and the graphite packing (12) is placed in flashboard (1) surrounding, the graphite plate
Root (12) top is equipped with gland (13), and the gland (13) is bolted on valve body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230726.8U CN208123485U (en) | 2018-02-09 | 2018-02-09 | A kind of manual knife gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230726.8U CN208123485U (en) | 2018-02-09 | 2018-02-09 | A kind of manual knife gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208123485U true CN208123485U (en) | 2018-11-20 |
Family
ID=64207468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820230726.8U Active CN208123485U (en) | 2018-02-09 | 2018-02-09 | A kind of manual knife gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208123485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306313A (en) * | 2020-03-11 | 2020-06-19 | 中诚阀门集团有限公司 | High-abrasion-resistance aluminum oxide zirconium copper gold iron tailing pulp valve |
-
2018
- 2018-02-09 CN CN201820230726.8U patent/CN208123485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306313A (en) * | 2020-03-11 | 2020-06-19 | 中诚阀门集团有限公司 | High-abrasion-resistance aluminum oxide zirconium copper gold iron tailing pulp valve |
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| GR01 | Patent grant |