CN208057974U - A kind of double sealing piston formula the needle valve - Google Patents
A kind of double sealing piston formula the needle valve Download PDFInfo
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- CN208057974U CN208057974U CN201820418956.7U CN201820418956U CN208057974U CN 208057974 U CN208057974 U CN 208057974U CN 201820418956 U CN201820418956 U CN 201820418956U CN 208057974 U CN208057974 U CN 208057974U
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Abstract
The utility model discloses a kind of double sealing piston formula the needle valves, including left valve seat and right valve seat, the left end of left valve seat to be connected with left valve barrel；The right end of the right valve seat is connected with right valve barrel；Left valve seat is connected with right valve seat, and the inner cavity of both ends open is formed between left valve seat and right valve seat；Interior intracavitary is connected with left piston and right piston；Left rack is connected on the left piston；It is connected with left driving shaft on left valve seat；It is connected with left gear on the left driving shaft；The left gear is meshed with left rack；Right rack is connected in the right piston；It is connected with right driving axle on the right valve seat；It is connected with right gear on the right driving axle；The right gear is meshed with right rack.The utility model is simple in structure, it can realize that two-way independent sealing, maintenance sealing and the setting of working seal can be set according to in-site installation status requirement, need not be that piston type the needle valve increases maintenance valve, import coarse adjustment, outlet accurate adjustment, have combination regulatory function.
Description
Technical field
The utility model is related to valve technology field more particularly to a kind of double sealing piston formula the needle valves.
Background technology
Valve is in fluid system, for controlling the direction of fluid, the device of pressure, flow；Valve is pipeline fluid
Control unit in transport system, valve can be used for controlling empty gas and water, steam, various Korrosionsmediums, mud, oil product, etc. it is various
The flowing of type of fluid；It is for changing access section and media flow direction, having water conservancy diversion, cut-off, throttling, non-return, divide
The functions such as stream or overflow release；For the valve of fluid control, in from simplest shut-off valve to extremely complex robot control system(RCS)
Various valves used, kind and specification are various.
Usually there is operation shakiness in the process of running in current the needle valve, and noise, vibration, cavitation phenomenons are close
It is impaired serious to seal position, causes to replace sealing ring, the systems such as water supply is caused to stop production, influences people's lives, production.
Utility model content
A kind of simple in structure, behaviour is provided the purpose of the utility model is to overcome above-mentioned shortcoming in the prior art
Facilitate, practical double sealing piston formula the needle valve.
The utility model is realized in the following way：
A kind of double sealing piston formula the needle valve, it is characterised in that：Including left valve seat and right valve seat, the left valve seat
Left end is connected with left valve barrel；The right end of the right valve seat is connected with right valve barrel；The left valve seat is connected with right valve seat, and left valve
The inner cavity of both ends open is formed between seat and right valve seat；Inner cavity is formed between left valve seat and right valve seat respectively circulates for fluid
Runner；The interior intracavitary is connected with left piston and right piston；The left piston and right piston respectively with left valve barrel and right valve barrel
It matches, to realize the open and close of runner；Left rack is connected on the left piston；It is connected with left drive on the left valve seat
Moving axis；It is connected with left gear on the left driving shaft；The left gear is meshed with left rack；It is connected with the right side in the right piston
Rack；It is connected with right driving axle on the right valve seat；It is connected with right gear on the right driving axle；The right gear and right rack
It is meshed.
Further, in the left piston and right piston respectively by left pressing plate and sealing clamp be connected with left sealing ring and
Right sealing ring.
Further, it is respectively equipped with piston packing in the left piston and right piston.
Further, it is respectively equipped with kuppe in the left piston and right piston.
Further, left mouse cage and right mouse cage are respectively equipped in the left valve seat and right valve seat.
The beneficial effects of the utility model are：It is simple in structure, it can realize two-way independent sealing；Maintenance sealing and work are close
The setting of envelope can be set according to in-site installation status requirement；Need not be that piston type the needle valve increases maintenance valve, i.e.,
One valve replaces two valves；Drive system is totally-enclosed, and driving mechanism may without cavitation erosion；Different water conservancy diversion can be worn according to different operating modes
Attachment realizes different job requirements；Import coarse adjustment, outlet accurate adjustment, have combination regulatory function.
Description of the drawings
Fig. 1 the utility model structure diagrams.
Specific implementation mode
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.It should be appreciated that the embodiment of the utility model is not limited to the following examples, the utility model is done any
Formal accommodation and/or change falls within scope of protection of the utility model.
Embodiment：
A kind of double sealing piston formula the needle valve, as shown in Figure 1, including left valve seat 2 and right valve seat 13, left valve seat 2
Left end is connected with left valve barrel 1；The right end of right valve seat 13 is connected with right valve barrel 12；Left valve seat 2 is connected with right valve seat 13, and left valve
The inner cavity of both ends open is formed between seat 2 and right valve seat 13；Inner cavity is formed between left valve seat 2 and right valve seat 13 respectively for stream
The runner of body circulation；Interior intracavitary is connected with left piston 6 and right piston 8；Left piston 6 and right piston 8 respectively with left valve barrel 1 and right valve
Body 12 matches, to realize the open and close of runner；Left rack 21 is connected on left piston 6；Left drive is connected on left valve seat 2
Moving axis 20；Left gear 19 is connected on left driving shaft 20；Left gear 19 is meshed with left rack 21；It is connected with the right side in right piston 8
Rack 16；Right driving axle 18 is connected on right valve seat 13；Right gear 17 is connected on right driving axle 18；Right gear 17 and right rack
16 are meshed.
In the present embodiment, left sealing is connected with by left pressing plate 4 and sealing clamp 15 respectively in left piston 6 and right piston 8
Circle 5 and right sealing ring 10 are used for the sealing of left valve barrel 1 and right valve barrel 12.
In the present embodiment, piston packing 9 is respectively equipped in left piston 6 and right piston 8.
In the present embodiment, kuppe 23 is respectively equipped on left piston 6 and right piston 8, left valve seat 2 and right valve seat 13 are interior respectively
Equipped with left mouse cage 3 and right mouse cage 14, it to be used for the water conservancy diversion of fluid.
In the present embodiment, position shown in Fig. 1 is shown in a fully open operation for valve；When installing water inlet in left valve barrel 1, then grasp
Make right driving axle 18, right gear 17, right rack 16 is driven to drive right piston 8 and the right sealing ring 10 being assemblied on the part, close
The parts levels such as envelope pressing plate 15 move left and right, and to realize the area of 12 flow channels mouth of right valve barrel, and then realize piston valve
Current-regulating voltage-regulating function；If the sealing of right piston 8 there is a problem, when being overhauled, as long as operation setting is being adjusted at this time
The left driving shaft 20 on pressure regulator valve is flowed, drives the left side that left gear 19, left rack 21 drive left piston 6 and be assemblied on the part close
Seal 5, left pressing plate 4 etc. move horizontally to the left together, the import of left valve barrel 1 are blocked, so that it may realize.Due to the left and right of this product
Valve body and left and right piston system are all made of identical structure, therefore can be completely according to field erected in actual installation practice
It needs, reverse configuration operation and control mechanism, realizes the replacement of working seal and maintenance sealing, therefore this product is a kind of complete
Two way seal piston type the needle valve.
The present embodiment can realize two-way independent sealing；Maintenance sealing and the setting of working seal can be wanted according to in-site installation position
It asks and is set；Need not be that piston type the needle valve increases maintenance valve, i.e. a valve replaces two valves；Drive system is sealed entirely
It closes, driving mechanism may without cavitation erosion；Different water conservancy diversion attachmentes can be worn according to different operating modes realizes different job requirements；Into
Mouth coarse adjustment, outlet accurate adjustment, have combination regulatory function.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (5)
1. a kind of double sealing piston formula the needle valve, it is characterised in that：Including left valve seat (2) and right valve seat (13), the left side
The left end of valve seat (2) is connected with left valve barrel (1)；The right end of the right valve seat (13) is connected with right valve barrel (12)；The left valve seat
(2) it is connected with right valve seat (13), and forms the inner cavity of both ends open between left valve seat (2) and right valve seat (13)；Distinguish inner cavity
It is formed with the runner to circulate for fluid between left valve seat (2) and right valve seat (13)；The interior intracavitary be connected with left piston (6) and
Right piston (8)；The left piston (6) and right piston (8) are matched with left valve barrel (1) and right valve barrel (12) respectively, to realize stream
The open and close in road；It is connected with left rack (21) on the left piston (6)；It is connected with left driving shaft on the left valve seat (2)
(20)；It is connected with left gear (19) on the left driving shaft (20)；The left gear (19) is meshed with left rack (21)；It is described
Right rack (16) is connected in right piston (8)；It is connected with right driving axle (18) on the right valve seat (13)；The right driving axle
(18) right gear (17) is connected on；The right gear (17) is meshed with right rack (16).
2. a kind of double sealing piston formula the needle valve according to claim 1, it is characterised in that：The left piston (6)
With left sealing ring (5) and right sealing ring (10) are connected with by left pressing plate (4) and sealing clamp (15) respectively in right piston (8).
3. a kind of double sealing piston formula the needle valve according to claim 1, it is characterised in that：The left piston (6)
With piston packing (9) is respectively equipped in right piston (8).
4. a kind of double sealing piston formula the needle valve according to claim 1, it is characterised in that：The left piston (6)
With kuppe (23) is respectively equipped in right piston (8).
5. a kind of double sealing piston formula the needle valve according to claim 1, it is characterised in that：The left valve seat (2)
With right valve seat (13) in be respectively equipped with left mouse cage (3) and right mouse cage (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820418956.7U CN208057974U (en) | 2018-03-27 | 2018-03-27 | A kind of double sealing piston formula the needle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820418956.7U CN208057974U (en) | 2018-03-27 | 2018-03-27 | A kind of double sealing piston formula the needle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057974U true CN208057974U (en) | 2018-11-06 |
Family
ID=63990240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820418956.7U Active CN208057974U (en) | 2018-03-27 | 2018-03-27 | A kind of double sealing piston formula the needle valve |
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| Country | Link |
|---|---|
| CN (1) | CN208057974U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331926A (en) * | 2018-03-27 | 2018-07-27 | 胜利阀门有限公司 | A kind of double sealing piston formula the needle valve |
| CN109826962A (en) * | 2019-03-28 | 2019-05-31 | 宁振江 | A kind of fast opening and closing Double-seal valve |
-
2018
- 2018-03-27 CN CN201820418956.7U patent/CN208057974U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331926A (en) * | 2018-03-27 | 2018-07-27 | 胜利阀门有限公司 | A kind of double sealing piston formula the needle valve |
| CN109826962A (en) * | 2019-03-28 | 2019-05-31 | 宁振江 | A kind of fast opening and closing Double-seal valve |
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