CN203427810U - Plate-type cutout cock - Google Patents
Plate-type cutout cock Download PDFInfo
- Publication number
- CN203427810U CN203427810U CN201320520230.1U CN201320520230U CN203427810U CN 203427810 U CN203427810 U CN 203427810U CN 201320520230 U CN201320520230 U CN 201320520230U CN 203427810 U CN203427810 U CN 203427810U
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- Prior art keywords
- board
- cut out
- ball core
- valve body
- cocks
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Abstract
A plate-type cutout cock comprises a valve body (A), the valve body (A) comprises an inlet (1), an outlet (2) and an exhaust port (3), a ball core (B) is embedded in the valve body (A), a compression spring (G) is arranged at one end of the ball core (B) which is meshed with a rotating handle (D), and a seal sleeve (C) is arranged outside the ball core (B) and made of low-temperature-resistant rubber materials. As for the plate-type cutout cock, the amount of compression of rubber is calculated, the rubber materials are selected, the defects that rubber seal materials are prone to aging and short in service life are overcome, and a high level is reached.
Description
Technical field
The utility model relates to a kind of cock, particularly a kind of board-like cut out cock for pneumatic system.
Background technology
The various control functions of locomotive air pipe system need to be carried out break-make control, at present, the pneumatic management system of China adopts mechanical cut out cock to carry out manual control, the cut out cock being commonly used in pneumatic system comprises subbase mounted cut out cock, the function that it has path and opens circuit and mutually switch, when product off state, the air-flow of mouth can be discharged through deflation hole, but the core component of this cock is ball core, in this ball core, common cock sealing pair mostly is metal or polytetrafluoroethylene or elastomeric material, rubber seal has the advantages that cryogenic effect is good, but in the situation that some system is higher for low temperature requirement, rubber packing material is easily aging, service life is shorter, caulking gum is stressed frequent, operation pressure easily produces leakage for a long time, thereby can not guarantee the control effect of sealing effectiveness and pipeline, cause the whole control efficiency of pneumatic system to reduce.
Application number is that 201210225179.1 patent of invention discloses a kind of locomotive cock, it comprise the gas source interface that is communicated with source of the gas and with the control interface being communicated with wind part, in cock valve seat, comprise source of the gas chamber, control chamber and three cavitys of discharge chamber, source of the gas chamber is communicated with gas source interface, control chamber is communicated with control interface, in interface between discharge chamber and source of the gas chamber, be provided with hollow stem, hollow stem and interface adopt radial seal.This invention adopts the break-make of cam mechanism driving hollow stem structure control gas circuit, and knob-operated dynamics is little, but this cock effect under cryogenic conditions is not good enough.
Utility model content
The utility model is improved for above-mentioned defect, a kind of board-like cut out cock is provided, it comprises valve body, this valve body comprises input port, delivery port and exhausr port, setting-in ball core in this valve body, Compress Spring is equipped with in this ball core one end, described ball core and rotary handle engagement, described ball core is equipped with sealing shroud outward, and sealing cover adopts cold resistant rubber material.
Preferably, described cold resistant rubber material is nitrile rubber.
Preferably, described Qiu Xin center comprises large through-hole.
Preferably, described ball core comprises aperture.
Preferably, the line of centers of the large through-hole of described ball core overlaps with the line of centers of ball core.
Preferably, the cross-sectional plane place plane of the cross-sectional plane place plane of the aperture of described ball core and described ball core large through-hole is orthogonal.
Preferably, the outer middle side part of described ball core comprises groove, one end of setting-in rotary handle in this groove, and the other end of this rotary handle stretches out outside valve body, so that control the anglec of rotation of ball core by rotary handle.
Preferably, the aperture of the groove of described ball core and described ball core lays respectively at the both sides of ball core line of centers.
Preferably, the upper end of described ball core and lower end be sealing shroud of setting-in respectively, for sealing.
Preferably, described exhausr port is positioned at the middle part in valve body outside.
Preferably, the central axis of described exhausr port and the line of centers of described valve body are vertical.
Preferably, described input port and described delivery port lay respectively at the both sides of described exhausr port.
Preferably, Compress Spring described in the interior setting-in of the described valve body at described input port place.
Preferably, described delivery port is communicated with body cavity by a right angle channel.
Preferably, described input port, delivery port and exhaust ports are all equipped with O shape circle, to be connected and seal with other parts.
Preferably, on described Compress Spring one end device spring perch, the other end of Compress Spring is contained in upper spring seat.
Preferably, described spring perch is located by the back-up ring I being inlaid in valve body recess.
Preferably, described spring perch center comprises through hole, and the through-hole diameter on this spring perch top is less than the through-hole diameter of lower end.
Preferably, the middle part of described spring perch outside face comprises O shape ring recess I, and setting-in O shape circle I in this groove I seals between described spring perch outside and described valve interior wall to make.
Preferably, the angle between inner side, described spring perch top and inside sidewalls comprises O shape ring recess II, setting-in O shape circle II in this groove II, and this O shape circle II contacts with described sealing shroud, and plays the effect of sealing and compensator or trimmer pressure.
Preferably, between described spring perch and described sealing shroud, be free-running fit.
Preferably, the upper surface center on described spring perch top comprises projection.
Preferably, sealing shroud described in setting-in inside described spring perch lower end, end in contact on sealing cover and described ball core, and to ball core is compressed, make described sealing shroud and described ball core in elastic floating mated condition, thereby realized good sealing property and used feel, also having extended the service life of whole cock, having promoted low temperature sealing performance.
Preferably, described upper spring seat is located by the back-up ring II being inlaid in valve body recess.
Preferably, described upper spring seat is cylindrical structure, and the outer upper of this cylindrical structure comprises step projection, and the bottom excircle of this cylindrical structure comprises annular protrusion.
Preferably, the step projection in the outside of described upper spring seat below setting-in O shape circle, for sealing between described valve body and described spring perch.
Preferably, Compress Spring described in the interior setting-in of the annular protrusion of described upper spring seat bottom.
Preferably, the sealing shroud of described ball core lower end is contained in the boss place of valve body inner side, and this boss plays the role of positioning to sealing shroud, thereby makes described ball core rotate and seal between described valve body.
Preferably, the boss place of described valve body inner side comprises O shape ring recess III, setting-in O shape circle III in this groove III, and this O shape circle III plays the effect of sealing between the sealing shroud of described ball core lower end and the boss of described valve body inner side.
Preferably, described rotary handle is connected with electric switch, and the residing path of cock or off state are passed on out by the switch contact form of electric switch.
The mode of operation of board-like cut out cock of the present utility model is: when product is during in channel status, the gas entering in valve body from input port arrives delivery port through the large through-hole of ball core, and now exhausr port is truncated; Make rotary handle half-twist, now, cock is in off state, large through-hole and the angle between the gas channel in valve body of ball core are right angle, under the obstruct of sealing shroud, gas channel between input port and delivery port is cut off, and communicates between the aperture of exhausr port by ball core and delivery port, and the aperture of the gas of delivery port on ball core discharged through exhausr port again; By 90 ° of rotary handle reversions and drive ball core also to reverse 90 °, cock, again in channel status, so moves in circles, and plays and opens and block the effect of gas circuit; Upper end sealing shroud is placed in spring perch, and Compress Spring elastic force acts on spring perch, thereby makes sealing shroud pressed ball core always, thereby realize, the elastic floating of ball core is coordinated.Realized good sealing property and used feel, also having extended the service life of product, having promoted low temperature sealing performance.
More multioperation is known to those skilled in the art, and repeats no more.
The technical scheme of the board-like cut out cock that the utility model provides comprises the combination in any of each part mentioned above, and the simple change of each part mentioned above assembly or combination are still protection domain of the present utility model.
The board-like cut out cock that the utility model provides, through rubber amount of compression is calculated, is chosen elastomeric material, overcome rubber packing material easily aging and service life shorter shortcoming, reached higher level.
Accompanying drawing explanation
Fig. 1 is the cutaway view of a preferred embodiment of board-like cut out cock described in the utility model, and now, cut out cock is in off state.
Fig. 2 is the cross-sectional view when channel status embodiment illustrated in fig. 1.
Fig. 3 is the cross-sectional view of spring perch embodiment illustrated in fig. 1.
Mark in Fig. 1-Fig. 3 represents respectively:
1 input port 2 delivery port 3 exhausr ports
A valve B ball core C sealing shroud D rotary handle E electric switch
F spring perch F3 back-up ring I G Compress Spring H upper spring seat H1 back-up ring II
F1 O shape ring recess I F2 O shape ring recess II.
The specific embodiment
In order to understand better the utility model, below in conjunction with accompanying drawing, describe respectively the preferred embodiment according to board-like cut out cock of the present utility model in detail, a kind of board-like cut out cock in the present embodiment, comprise valve A, this valve A comprises input port 1, delivery port 2 and exhausr port 3, setting-in ball core B in this valve A, Compress Spring G is equipped with in this ball core B one end, described ball core B and rotary handle D engagement, described ball core B is equipped with sealing shroud C outward, and sealing cover C adopts cold resistant rubber material.
In the present embodiment, preferably, described cold resistant rubber material is nitrile rubber.
In the present embodiment, preferably, the center of described ball core B comprises large through-hole.
In the present embodiment, preferably, described ball core B comprises aperture.
In the present embodiment, preferably, the line of centers of the large through-hole of described ball core B overlaps with the line of centers of ball core B.
In the present embodiment, preferably, the outer middle side part of described ball core B comprises groove, one end of setting-in rotary handle D in this groove, and the other end of this rotary handle D stretches out outside valve A, so that control the anglec of rotation of ball core B by rotary handle D.
In the present embodiment, preferably, the aperture of the groove of described ball core B and described ball core B lays respectively at the both sides of ball core B line of centers.
In the present embodiment, preferably, the upper end of described ball core B and lower end be sealing shroud C of setting-in respectively, for sealing.
In the present embodiment, preferably, described exhausr port 3 is positioned at the middle part in valve A outside.
In the present embodiment, preferably, the central axis of described exhausr port 3 is vertical with the line of centers of described valve A.
In the present embodiment, preferably, described input port 1 and described delivery port 2 lay respectively at the both sides of described exhausr port 3.
In the present embodiment preferably, Compress Spring G described in setting-in in the described valve A at described input port 1 place.
In the present embodiment, preferably, described delivery port 2 is communicated with valve A inner chamber by a right angle channel.
In the present embodiment, preferably, O shape circle is all equipped with at described input port 1, delivery port 2 and exhausr port 3 places, to be connected and seal with other parts.
In the present embodiment, preferably, described Compress Spring G mono-end device spring perch F is upper, and the other end of Compress Spring G is contained in upper spring seat H.
In the present embodiment, preferably, described spring perch F locates by the back-up ring I F3 being inlaid in valve body recess.
In the present embodiment, preferably, described spring perch F center comprises through hole, and the through-hole diameter on this spring perch F top is less than the through-hole diameter of lower end.
In the present embodiment, preferably, the middle part of described spring perch F outside face comprises O shape ring recess I F1, and setting-in O shape circle I in this groove I F1 seals between described spring perch F outside and described valve A inwall to make.
In the present embodiment, preferably, the angle between inner side, described spring perch F top and inside sidewalls comprises O shape ring recess II F2, setting-in O shape circle II in this groove II F2, and this O shape circle II contacts with described sealing shroud C, plays sealing function.
In the present embodiment, preferably, between described spring perch F and described sealing shroud C, be free-running fit.
In the present embodiment, preferably, the upper surface center on described spring perch F top comprises projection.
In the present embodiment preferably, sealing shroud C described in setting-in inside described spring perch F lower end, the upper end in contact of sealing cover C and described ball core B, and to ball core B is compressed, make described sealing shroud C and described ball core B in elastic floating mated condition, thereby realized good sealing property and used feel, also having extended the service life of whole cock, having promoted low temperature sealing performance.
In the present embodiment, preferably, described upper spring seat H locates by the back-up ring II H1 being inlaid in valve body recess.
In the present embodiment, preferably, described upper spring seat H is cylindrical structure, and the outer upper of this cylindrical structure comprises step projection, and the bottom excircle of this cylindrical structure comprises annular protrusion.
In the present embodiment, preferably, the step projection in the outside of described upper spring seat H below setting-in O shape circle, for sealing between described valve A and described spring perch F.
In the present embodiment preferably, Compress Spring G described in setting-in in the annular protrusion of described upper spring seat H bottom.
In the present embodiment, preferably, the sealing shroud C of described ball core B lower end is contained in the boss place of valve A inner side, and this boss plays the role of positioning to sealing shroud C, thereby makes described ball core B rotate and seal between described valve A.
In the present embodiment, preferably, the boss place of described valve A inner side comprises O shape ring recess III, setting-in O shape circle III in this groove III, and this O shape circle III plays the effect of sealing between the sealing shroud C of described ball core B lower end and the boss of described valve A inner side.
In the present embodiment, preferably, described rotary handle D is connected with electric switch E, and the residing path of product or off state are passed on out by the switch contact form of electric switch.
The mode of operation of the board-like cut out cock in the present embodiment is: when product is during in channel status, the gas entering in valve A from input port 1 arrives delivery port 2 through the large through-hole of ball core B, and now exhausr port 3 is truncated; Make rotary handle D half-twist, now, cock is in off state, large through-hole and the angle between the gas channel in valve A of ball core B are right angle, under the obstruct of sealing shroud C, gas channel between input port 1 and delivery port 2 is cut off, and communicates between the aperture of exhausr port 3 by ball core B and delivery port 2, and the aperture of the gas of delivery port 2 on ball core B discharged through exhausr port 3 again; By 90 ° of rotary handle D reversions and drive ball core B also to reverse 90 °, cock, again in channel status, so moves in circles, and plays and opens and block the effect of gas circuit; Upper end sealing shroud C is placed in spring perch F, and it is upper that Compress Spring G elastic force acts on spring perch F, thereby make sealing shroud C pressed ball core B always, thereby realize, the elastic floating of ball core B is coordinated.Realized good sealing property and used feel, also having extended the service life of product, having promoted low temperature sealing performance.
More multioperation is known to those skilled in the art, and repeats no more.
The technical scheme of the board-like cut out cock that the present embodiment provides comprises the combination in any of each part mentioned above, and the simple change of each part mentioned above assembly or combination are still protection domain of the present utility model.
The board-like cut out cock that the present embodiment provides, through rubber amount of compression is calculated, is chosen elastomeric material, overcome rubber packing material easily aging and service life shorter shortcoming, reached higher level.
Claims (26)
1. a board-like cut out cock, it comprises valve body (A), this valve body (A) comprises input port (1), delivery port (2) and exhausr port (3), this valve body (A) interior setting-in ball core (B), Compress Spring (G) is equipped with in this ball core (B) one end, described ball core (B) and rotary handle (D) engagement, described ball core (B) is outer is equipped with sealing shroud (C), it is characterized in that: sealing shroud (C) adopts cold resistant rubber material.
2. board-like cut out cock as claimed in claim 1, is characterized in that: described cold resistant rubber material is nitrile rubber.
3. board-like cut out cock as claimed in claim 1, is characterized in that: the center of ball core (B) comprises large through-hole.
4. board-like cut out cock as claimed in claim 3, is characterized in that: ball core (B) comprises aperture.
5. board-like cut out cock as claimed in claim 4, is characterized in that: the line of centers of the large through-hole of ball core (B) overlaps with the line of centers of ball core (B).
6. board-like cut out cock as claimed in claim 5, is characterized in that: the outer middle side part of ball core (B) comprises groove, one end of setting-in rotary handle (D) in this groove, and the other end of this rotary handle (D) stretches out outside valve body (A).
7. board-like cut out cock as claimed in claim 6, is characterized in that: the aperture of the groove of ball core (B) and described ball core (B) lays respectively at the both sides of ball core (B) line of centers.
8. board-like cut out cock as claimed in claim 7, is characterized in that: the upper end of ball core (B) and lower end be a sealing shroud of setting-in (C) respectively.
9. board-like cut out cock as claimed in claim 8, is characterized in that: exhausr port (3) is positioned at the middle part in valve body (A) outside.
10. board-like cut out cock as claimed in claim 9, is characterized in that: the central axis of exhausr port (3) is vertical with the line of centers of valve body (A).
11. board-like cut out cocks as claimed in claim 10, is characterized in that: input port (1) and described delivery port (2) lay respectively at the both sides of exhausr port (3).
12. board-like cut out cocks as claimed in claim 11, is characterized in that: the interior setting-in Compress Spring of valve body (A) (G) that input port (1) is located.
13. board-like cut out cocks as claimed in claim 12, is characterized in that: described delivery port (2) is communicated with valve body (A) inner chamber by a right angle channel.
14. board-like cut out cocks as claimed in claim 13, is characterized in that: described input port (1), delivery port (2) and exhausr port (3) locate to be all equipped with O shape circle, to be connected and seal with other parts.
15. board-like cut out cocks as claimed in claim 14, is characterized in that: described Compress Spring (G) end device spring perch (F) is upper, and the other end of Compress Spring (G) is contained in upper spring seat (H).
16. board-like cut out cocks as claimed in claim 15, is characterized in that: described spring perch (F) center comprises through hole, and the through-hole diameter on this spring perch (F) top is less than the through-hole diameter of lower end.
17. board-like cut out cocks as claimed in claim 16, is characterized in that: the middle part of described spring perch (F) outside face comprises O shape ring recess I (F1), the interior setting-in O of this groove I (F1) shape circle I.
18. board-like cut out cocks as claimed in claim 17, it is characterized in that: the angle between inner side, described spring perch (F) top and inside sidewalls comprises O shape ring recess II (F2), the interior setting-in O of this groove II (F2) shape circle II, this O shape circle II contacts with sealing shroud (C).
19. board-like cut out cocks as claimed in claim 18, is characterized in that: the upper surface center on described spring perch (F) top comprises projection.
20. board-like cut out cocks as claimed in claim 19, is characterized in that: sealing shroud (C) described in setting-in inside described spring perch (F) lower end, sealing cover (C) and the upper end in contact of described ball core (B).
21. board-like cut out cocks as claimed in claim 20, is characterized in that: described upper spring seat (H) is cylindrical structure, and the outer upper of this cylindrical structure comprises step projection, and the bottom excircle of this cylindrical structure comprises annular protrusion.
22. board-like cut out cocks as claimed in claim 21, is characterized in that: the step projection below setting-in O shape circle in the outside of described upper spring seat (H).
23. board-like cut out cocks as claimed in claim 22, is characterized in that: Compress Spring (G) described in setting-in in the annular protrusion of described upper spring seat (H) bottom.
24. board-like cut out cocks as claimed in claim 23, is characterized in that: the sealing shroud (C) of described ball core (B) lower end is contained in the boss place of valve body (A) inner side.
25. board-like cut out cocks as claimed in claim 24, it is characterized in that: the boss place of described valve body (A) inner side comprises O shape ring recess III, setting-in O shape circle III in this groove III, this O shape circle III is positioned between the sealing shroud (C) of ball core (B) lower end and the boss of valve body (A) inner side.
26. board-like cut out cocks as claimed in claim 25, is characterized in that: rotary handle (D) is connected with electric switch (E).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520230.1U CN203427810U (en) | 2013-08-26 | 2013-08-26 | Plate-type cutout cock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520230.1U CN203427810U (en) | 2013-08-26 | 2013-08-26 | Plate-type cutout cock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203427810U true CN203427810U (en) | 2014-02-12 |
Family
ID=50056866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320520230.1U Expired - Fee Related CN203427810U (en) | 2013-08-26 | 2013-08-26 | Plate-type cutout cock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203427810U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309633A (en) * | 2014-10-16 | 2015-01-28 | 四川制动科技股份有限公司 | Angle cock with self-ventilation function |
| CN112361015A (en) * | 2020-11-27 | 2021-02-12 | 贵州新安航空机械有限责任公司 | Novel cut-off plug valve core capable of protecting sealing element |
| CN118564680A (en) * | 2024-06-22 | 2024-08-30 | 盐城市海通铁路配件有限公司 | A kind of angle plug door and its processing method |
-
2013
- 2013-08-26 CN CN201320520230.1U patent/CN203427810U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309633A (en) * | 2014-10-16 | 2015-01-28 | 四川制动科技股份有限公司 | Angle cock with self-ventilation function |
| CN112361015A (en) * | 2020-11-27 | 2021-02-12 | 贵州新安航空机械有限责任公司 | Novel cut-off plug valve core capable of protecting sealing element |
| CN118564680A (en) * | 2024-06-22 | 2024-08-30 | 盐城市海通铁路配件有限公司 | A kind of angle plug door and its processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20190826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |