CN202852028U - Non-sliding friction gate valve - Google Patents
Non-sliding friction gate valve Download PDFInfo
- Publication number
- CN202852028U CN202852028U CN 201220562047 CN201220562047U CN202852028U CN 202852028 U CN202852028 U CN 202852028U CN 201220562047 CN201220562047 CN 201220562047 CN 201220562047 U CN201220562047 U CN 201220562047U CN 202852028 U CN202852028 U CN 202852028U
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- CN
- China
- Prior art keywords
- valve
- flashboard
- gate
- valve body
- lower cover
- 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 - Lifetime
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Abstract
The utility model discloses a non-sliding friction gate valve which aims to solve the problems that an existing gate surface is difficult to machine and the central position of a gate is inconvenient to adjust. The non-sliding friction gate valve consists of a valve body, valve clacks, a valve cover, a valve rod and a controlling mechanism. Two gates are arranged in the valve body , each gate is in a shape similar to a cone frustum and is connected with the valve clacks through dovetail grooves, a gate supporting block with adjustable height is installed at the lower part of each gate, and each gate supporting block is connected with the valve body through an adjusting screw nut. The non-sliding friction gate valve is characterized in that the contacting part of the sealed surfaces of the gates and the valve body is conical, compared with a spherical surface, the conical surface is easy to machine and high in accuracy. An opening at the bottom of each gate is separated into two parts, and a user can conveniently adjust the gate valve just by opening a lower cover.
Description
Technical field
The utility model relates to a kind of gate valve, is specifically related to a kind of fricton-tight friction gate valve.
Background technique
The open-shut device of gate valve is flashboard, and moving direction and the flow direction of flashboard are perpendicular, and gate valve can only be made standard-sized sheet and complete shut-down, can not do to regulate and throttling.Flashboard has two sealing surfaces, and two sealing surfaces of the most frequently used pattern gate valve form wedge shape, key groove is different with the valve parameter.
Sealing surface between existing flashboard for sluice valve and the valve body is spherical, and difficulty of processing is large like this, causes validity on the low side.And the valve body of existing gate valve and valve body bottom are connected as a single entity, and like this, when regulating the flashboard central position, regulate inconvenience, need integral demounting.
The model utility content
In order to overcome the deficiency of background technique, the utility model provides a kind of fricton-tight friction gate valve, mainly solve the large and flashboard central position of existing flashboard face difficulty of processing and regulated inconvenient problem, the sealing surface place of being affixed of the flashboard of this gate valve and valve body is taper, the better processing of the sphere of comparing, precision is higher; And the bottom opening of flashboard is divided into double-body bike, opens lower cover during adjusting, and is just conveniently adjusted.
A kind of fricton-tight friction gate valve, comprise valve body, flap, valve gap, valve rod and operating device, be provided with flashboard in the valve body, flashboard is the approximate circle frustum type, the flashboard bottom is provided with adjustable for height flashboard support block, this flashboard support block is connected with valve body by adjusting nut, and the sealing surface place of fitting of described flashboard and valve body is taper.
Described flashboard support block bottom is provided with lower cover, and lower cover is connected by link with valve body.
The link that described lower cover is connected with valve body is bolt.
Described coupling shaft bottom and lower cover are for being threaded.
Described lower cover middle part also is provided with coupling shaft, and coupling shaft top is connected with the flap bottom is embedded, and the coupling shaft bottom is fixedly connected with lower cover.
Described flap is wedge-like body, and the wedge-like body outer side surface is connected with the inboard dovetail groove of flashboard.The beneficial effects of the utility model are: flashboard and the sealing surface between the valve body of this gate valve are taper, the spherical better processing of comparing, and precision is higher; And the bottom opening of flashboard is divided into double-body bike, opens lower cover during adjusting, and is just conveniently adjusted.
Description of drawings
Fig. 1 is structural representation of the present utility model.
1-valve body among the figure, 2-flap, 3-valve gap, 4-valve rod, 5-operating device, 6-flashboard, 7-lower cover, 8-link, 9-coupling shaft, 10-flashboard support block, 11-adjusting nut, 12-sealing surface.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further:
As shown in Figure 1, a kind of fricton-tight friction gate valve comprises valve body 1, flap 2, valve gap 3, valve rod 4 and operating device 5, is provided with flashboard 6 in the valve body 1, and flashboard 6 is the approximate circle frustum type.The working principle of this gate valve is as follows: this flap 2 is wedge shape, and described flap 2 is in flashboard 6, and flap 2 is wedge-like body, the wedge-like body outer side surface is connected by dovetail groove with flashboard 6 inner side surfaces, when gate valve need to be opened, then the rotating operation structure 5, and operating structure 5 drives on the flap 2 by valve rod 4 and draws; When flap 2 rises, flashboard 6 can only be toward inside contracting under the drive of the dovetail groove of flap 2, flashboard 6 and the sealing surface of valve body are broken away from, break away from apart from reaching conical seal surface and in rotary course, rotate without beginning after the friction, flap 2 rotations are risen, and flashboard 6 can only rotate, when rotating to front and back position, just alignd with the runner of valve body in the runner hole of flap 2, medium passes through smoothly.Finish an opening process, opposite closing process is that flap 2 rotations descend, and flashboard 6 90-degree rotations align with valve flowing channel, and then flap 2 continues to descend, and is pushed to valve body sealing surface at the promotion lower flashboard 6 of carving type, until close fully.There is not sliding friction between flashboard sealing surface and valve body sealing surface in the whole switching process.
Described flashboard 6 is taper with sealing surface 12 places of being affixed of valve body 1, because compare existing spherical flashboard face, taper is more easily processed, so validity just can have certain guarantee; Simultaneously, the sealing surface 12 of valve is the nothing friction in switching process, longer service life.
Described lower cover 7 middle parts also are provided with coupling shaft 9, it is inner that coupling shaft 9 tops are inserted into flap 2 wedge-like bodys, coupling shaft 9 bottoms are fixedly connected with lower cover 7, coupling shaft 9 bottoms and lower cover 7 are for being threaded, when coupling shaft 9 is inserted into wedge-like body inside, can play certain leading role to flap 2, avoid flap 2 not on the symmetrical center line of two shoe brake plates 6, thereby avoid the single face sealing, and effectively guaranteed the two-sided forced seal effect of gate valve.
Claims (6)
1. fricton-tight friction gate valve, comprise valve body (1), flap (2), valve gap (3), valve rod (4) and operating device (5), be provided with flashboard (6) in the valve body (1), flashboard (6) is the approximate circle frustum type, flashboard (6) bottom is provided with adjustable for height flashboard support block (10), this flashboard support block (10) is connected with valve body (1) by adjusting nut (11), it is characterized in that: described flashboard (6) is taper with sealing surface (12) place of being affixed of valve body (1).
2. fricton-tight friction gate valve according to claim 1, it is characterized in that: flashboard support block (10) bottom is provided with lower cover (7), and lower cover (7) is connected by link (8) with valve body (1).
3. fricton-tight friction gate valve according to claim 2, it is characterized in that: the link (8) that described lower cover (7) is connected with valve body (1) is bolt.
4. fricton-tight friction gate valve according to claim 2, it is characterized in that: lower cover (7) middle part also is provided with coupling shaft (9), coupling shaft (9) top is fixedly connected with lower cover (7) with flap (2) the embedded connection of bottom, coupling shaft (9) bottom.
5. fricton-tight friction gate valve according to claim 4 is characterized in that: described coupling shaft (9) bottom and lower cover (7) are for being threaded.
6. fricton-tight friction gate valve according to claim 1, it is characterized in that: described flap (2) is wedge-like body, and the wedge-like body outer side surface is connected with flashboard (6) inner side surface dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220562047 CN202852028U (en) | 2012-10-29 | 2012-10-29 | Non-sliding friction gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220562047 CN202852028U (en) | 2012-10-29 | 2012-10-29 | Non-sliding friction gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202852028U true CN202852028U (en) | 2013-04-03 |
Family
ID=47983233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220562047 Expired - Lifetime CN202852028U (en) | 2012-10-29 | 2012-10-29 | Non-sliding friction gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202852028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857626A (en) * | 2016-05-25 | 2016-08-17 | 芜湖力锐达汽车部件有限公司 | Air-inlet control valve of engine of unmanned plane |
| CN106481833A (en) * | 2015-08-25 | 2017-03-08 | 中国石油天然气集团公司 | A kind of high temperature cut-off valve hard sealing structure |
-
2012
- 2012-10-29 CN CN 201220562047 patent/CN202852028U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481833A (en) * | 2015-08-25 | 2017-03-08 | 中国石油天然气集团公司 | A kind of high temperature cut-off valve hard sealing structure |
| CN106481833B (en) * | 2015-08-25 | 2019-05-07 | 中国石油天然气集团公司 | A kind of high temperature cut-off valve hard sealing structure |
| CN105857626A (en) * | 2016-05-25 | 2016-08-17 | 芜湖力锐达汽车部件有限公司 | Air-inlet control valve of engine of unmanned plane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
|
| CX01 | Expiry of patent term |