CN204573164U - A kind of ball-type cock - Google Patents
A kind of ball-type cock Download PDFInfo
- Publication number
- CN204573164U CN204573164U CN201520187153.1U CN201520187153U CN204573164U CN 204573164 U CN204573164 U CN 204573164U CN 201520187153 U CN201520187153 U CN 201520187153U CN 204573164 U CN204573164 U CN 204573164U
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- ball
- ball core
- cock
- delivery outlet
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Abstract
The utility model relates to cock, in particular to a kind of ball-type cock, it comprises valve body (A), this valve body (A) comprises inlet opening (1), delivery outlet (2) and relief opening (3), this valve body (A) interior setting-in ball core (B), top and bottom setting-in stuffing box gland (C) respectively of this ball core (B).By the sealing that the mode of interference fit realizes between the two between stuffing box gland (C) and ball core (B), simultaneously in order to slip resistance less between meeting relatively, its magnitude of interference is controlled in a minimum scope; Be provided with O RunddichtringO (D) between stuffing box gland (C) and valve body (A), thus realize the sealing between stuffing box gland (C) and valve body (A).
Description
Technical field
The utility model relates to cock, in particular to a kind of ball-type cock.
Background technique
Need to use a kind of ball-type cock in compressed air delivery pipeline, this cock has the path of pilot line or the function of open circuit.In the compressed air line transmission of some vehicular traffic, product needed meets the excellent sealing requirement under the various condition such as low temperature, high temperature, and there is certain defect for the sealing of cock in prior art.
Such as application number is the Chinese invention patent of 201310453413.0, it discloses a kind of Cutout cock for rail car, comprise a ball core opened for air-supply pipeline and block, described ball core both sides are provided with the compound ball sealing gasket of specific rubber, and after being docked with joint by cock body, described ball core is positioned in cock body, seal with joint sealing pad between cock body and joint; Valve rod is equipped with on ball core top, adopts doulble O ring seal between valve rod and cock body rotate, and under valve rod and cock body end contact face arrange valve rod, plain cushion is for reducing the frictional force in valve rod and cock body end contact face; Cock body upper-end surface is lined with plain cushion on valve rod and is loaded on Sealing shield ring, and on valve rod, plain cushion is for reducing the frictional force of valve rod and cock body upper-end surface, Sealing shield ring top load onto hand handle and compress block after by hand being fixed on valve rod; Cutout cock of the present invention normally can use under-50 DEG C of ambient temperatures, and the cutout cock Environmental Conditions temperature range comparing existing application is wider, and sealing is more reliable; It is much smaller that the pretightening force of ball sealing gasket compares teflon seal seat, and the switching moment of hand handle reduces thereupon, is easy to operation.The smooth outer surface of ball core, when inlet opening and delivery outlet separate by ball core, the gas in delivery outlet cannot be discharged, and exert an adverse impact to cock.
Such as Authorization Notice No. is the Chinese utility model patent of CN 203427810 U again, it discloses a kind of board-like cutout cock, it comprises valve body, this valve body comprises inlet opening, delivery outlet and relief opening, setting-in ball core in this valve body, Compress Spring is equipped with in this ball core one end, and described ball core engages with rotatable handle, outside described ball core, stuffing box gland is housed, stuffing box gland adopts low temperature resistant rubber material.The board-like cutout cock that the utility model provides, through calculating rubber decrement, is chosen rubber material, overcomes the rubber packing material shortcoming that easily aging and working life is shorter, reaches higher level.But the stuffing box gland in this cock is placed in spring seat, Compress Spring elastic force acts on spring seat, thus makes stuffing box gland be pressed against ball core always, thus the elastic floating realizing ball core coordinates.Achieve good sealability and use feel, also extending the working life of product, improve low temperature seal performance.Seal owing to being pressed ball core by spring seat, its structure is comparatively complicated, and the Compress Spring phenomenon that there will be inefficacy of a specified duration.
Model utility content
In order to solve the above-mentioned technological deficiency that prior art exists, the purpose of this utility model is to provide a kind of ball-type cock, by sealing that the mode of interference fit realizes between the two between the stuffing box gland of ball-type cock of the present utility model and ball core, make cock internal structure simple, reduce manufacture cost.
In order to realize above-mentioned purpose of design, the scheme that the utility model adopts is as follows:
A kind of ball-type cock, it comprises valve body, and this valve body comprises inlet opening, delivery outlet and relief opening, setting-in ball core in this valve body, top and bottom setting-in stuffing box gland respectively of this ball core, adopts the mode of interference fit, more seals between stuffing box gland and ball core between described stuffing box gland and ball core.
Preferably, the top of described ball core has groove.
In above-mentioned either a program preferably, described groove is rectangle groove.
In above-mentioned either a program preferably, described groove coordinates with rotating shaft.
In above-mentioned either a program preferably, the center of described ball core has macropore, and this macropore is through hole.
In above-mentioned either a program preferably, the outside of described ball core has the aperture at band tilt angle.
In above-mentioned either a program preferably, the upper end of described rotating shaft is connected with handle.
In above-mentioned either a program preferably, described rotating shaft and handle are by welding or being threaded togather.
In above-mentioned either a program preferably, described relief opening is positioned at the lower end of valve body.
In above-mentioned either a program preferably, described inlet opening and delivery outlet lay respectively at the both sides of relief opening.
In above-mentioned either a program preferably, the outside of described delivery outlet is provided with valve gap.
In above-mentioned either a program preferably, described inlet opening is identical with delivery outlet internal diameter.
In above-mentioned either a program preferably, the diameter of the macropore of described ball core is less than the internal diameter of inlet opening, delivery outlet.
The working procedure of ball-type cock of the present utility model is: when product is in channel status, and the macropore entered in valve body through ball core from the air-flow in inlet opening arrives delivery outlet, and now relief opening is truncated; When rotatable handle 90 °, handle F drives rotating shaft half-twist together, simultaneously ball core also half-twist thereupon, thus make cock be in turnoff state, angle between air-flow path now in the macropore of ball core and valve body is right angle, under the obstruction of stuffing box gland, the air-flow of inlet opening cannot reach delivery outlet by the macropore of ball core, the lower end of the aperture now on ball core communicates with relief opening, the upper end of the aperture of ball core communicates with delivery outlet, thus is discharged through relief opening by the aperture of the gas of delivery outlet on ball core again; When cock is in turnoff state, handle is reversed 90 °, handle drives rotating shaft, ball core also to reverse 90 ° thereupon, and cock is in channel status again, so moves in circles, and plays the effect opening and block gas circuit.
Accompanying drawing explanation
Fig. 1 is the sectional view of the preferred embodiment according to ball-type cock of the present utility model.
Fig. 2 is the phase diagram being in open circuit embodiment illustrated in fig. 1 according to ball-type cock of the present utility model.
Attached number in the figure:
Inlet opening 1, delivery outlet 2, relief opening 3, valve A, ball core B, stuffing box gland C, O RunddichtringO D, rotating shaft E, handle F, valve gap G, macropore H, aperture I.
Embodiment
The following description is only exemplary and be not to limit the disclosure, application or purposes in essence.Be further described below in conjunction with the embodiment of Figure of description to the utility model ball-type cock.
As shown in Figure 1, according to the sectional view of a preferred embodiment of ball-type cock of the present utility model.Ball-type cock of the present utility model, it comprises valve A, this valve A comprises inlet opening 1, delivery outlet 2 and relief opening 3, setting-in ball core B in this valve A, top and bottom setting-in stuffing box gland C respectively of this ball core B, adopt the mode of interference fit between described stuffing box gland C and ball core B, more seal between stuffing box gland C and ball core B.By the sealing that the mode of interference fit realizes between the two between the stuffing box gland C of ball-type cock of the present utility model and ball core B, make cock internal structure simple, reduce manufacture cost.
In the present embodiment, by the sealing that the mode of interference fit realizes between the two between described stuffing box gland C and ball core B, simultaneously in order to slip resistance less between meeting relatively, its magnitude of interference is controlled in a minimum scope.
In the present embodiment, the top of described ball core B has groove.Have groove at the top of ball core B, for coordinating with rotating shaft E, when rotating shaft E rotates, thus drive ball core B also to rotate thereupon, and then control the macropore H of ball core B or the break-make of aperture I.
In the present embodiment, described groove is rectangle groove.Adopt rectangle groove to coordinate with rotating shaft E, be conducive to rotating shaft E and drive ball core B to rotate.
In the present embodiment, described groove coordinates with rotating shaft E.The groove at ball core B top coordinates with rotating shaft E, when rotating shaft E rotates, thus drives ball core B also to rotate thereupon, and then controls the macropore H of ball core B or the break-make of aperture I.
In the present embodiment, the center of described ball core B has macropore H, and this macropore H is through hole.
When product is in channel status, the macropore H entered in valve A through ball core B from the air-flow in inlet opening 1 arrives delivery outlet 2, and now relief opening 3 is truncated; When cock is in turnoff state, handle F is reversed 90 °, handle F drives rotating shaft E, ball core B also to reverse 90 ° thereupon, the macropore H of ball core B is communicated with inlet opening 1, delivery outlet 2, the relief opening 3 of valve A lower end is blocked simultaneously, at this moment cock is in channel status again, so moves in circles, and plays the effect opening and block gas circuit.
Next consult shown in Fig. 2, according to the phase diagram being in open circuit embodiment illustrated in fig. 1 of ball-type cock of the present utility model.In the present embodiment, the outside of described ball core B has the aperture I at band tilt angle.When handle F half-twist, handle F drives rotating shaft E half-twist together, simultaneously ball core B also half-twist thereupon, thus make cock be in turnoff state, angle between air-flow path now in the macropore H of ball core B and valve A is right angle, under the obstruction of stuffing box gland C, the air-flow of inlet opening 1 cannot reach delivery outlet 2 by the macropore H of ball core B, the lower end of the aperture I now on ball core B communicates with relief opening 3, the upper end of the aperture I of ball core B communicates with delivery outlet 2, thus is discharged through relief opening 3 by the aperture I of the gas of delivery outlet 2 on ball core B again.
In the present embodiment, the upper end of described rotating shaft E is connected with handle F.When handle F half-twist, handle F drives rotating shaft E half-twist together, and then drives ball core B also to rotate thereupon, controls the break-make of whole cock.
In the present embodiment, described rotating shaft E and handle F are by welding or being threaded togather.In order to convenient disassembly, the mode be preferably threaded.
In the present embodiment, described relief opening 3 is positioned at the lower end of valve A.When product is in channel status, the macropore H entered in valve A through ball core B from the air-flow in inlet opening 1 arrives delivery outlet 2, and now relief opening 3 is truncated; When cock is in turnoff state, handle F is reversed 90 °, handle F drives rotating shaft E, ball core B also to reverse 90 ° thereupon, the macropore H of ball core B is communicated with inlet opening 1, delivery outlet 2, the relief opening 3 of valve A lower end is blocked simultaneously, at this moment cock is in channel status again, so moves in circles, and plays the effect opening and block gas circuit.
In the present embodiment, described inlet opening 1 and delivery outlet 2 lay respectively at the both sides of relief opening 3.When cock is in turnoff state, handle F is reversed 90 °, handle F drives rotating shaft E, ball core B also to reverse 90 ° thereupon, the macropore H of ball core B is communicated with inlet opening 1, delivery outlet 2, the relief opening 3 of valve A lower end is blocked simultaneously, at this moment cock is in channel status again, so moves in circles, and plays the effect opening and block gas circuit.
In the present embodiment, the outside of described delivery outlet 2 is provided with valve gap G.
In the present embodiment, described inlet opening 1 is identical with the internal diameter of delivery outlet 2.
In the present embodiment, the diameter of the macropore H of described ball core B is less than the internal diameter of inlet opening 1, delivery outlet 2.
The working procedure of ball-type cock of the present utility model is: when product is in channel status, and the macropore H entered in valve A through ball core B from the air-flow in inlet opening 1 arrives delivery outlet 2, and now relief opening 3 is truncated; When handle F half-twist, handle F drives rotating shaft E half-twist together, simultaneously ball core B also half-twist thereupon, thus make cock be in turnoff state, angle between air-flow path now in the macropore H of ball core B and valve A is right angle, under the obstruction of stuffing box gland C, the air-flow of inlet opening 1 cannot reach delivery outlet 2 by the macropore H of ball core B, the lower end of the aperture I now on ball core B communicates with relief opening 3, the upper end of the aperture I of ball core B communicates with delivery outlet 2, thus is discharged through relief opening 3 by the aperture I of the gas of delivery outlet 2 on ball core B again; When cock is in turnoff state, reversed by handle F 90 °, handle F drives rotating shaft E, ball core B also to reverse 90 ° thereupon, and cock is in channel status again, so moves in circles, and plays the effect opening and block gas circuit.
It will be apparent to those skilled in the art that ball-type cock of the present utility model comprises the combination in any of each several part in this specification.As space is limited and in order to make specification simple and clear, these combinations are not introduced one by one in detail at this, but after having seen this specification, the scope of the present utility model that the combination in any of each several part be made up of this specification is formed is self-evident.
Claims (13)
1. a ball-type cock, it comprises valve body (A), this valve body (A) comprises inlet opening (1), delivery outlet (2) and relief opening (3), this valve body (A) interior setting-in ball core (B), top and bottom setting-in stuffing box gland (C) respectively of this ball core (B), is characterized in that: the mode adopting interference fit between stuffing box gland (C) and ball core (B).
2. ball-type cock as claimed in claim 1, is characterized in that: the top of ball core (B) has groove.
3. ball-type cock as claimed in claim 2, is characterized in that: groove is rectangle groove.
4. ball-type cock as claimed in claim 2, is characterized in that: groove coordinates with rotating shaft (E).
5. ball-type cock as claimed in claim 1, is characterized in that: the center of ball core (B) has macropore (H), and this macropore (H) is through hole.
6. ball-type cock as claimed in claim 1, is characterized in that: the outside of ball core (B) has the aperture (I) at band tilt angle.
7. ball-type cock as claimed in claim 4, is characterized in that: the upper end of rotating shaft (E) is connected with handle (F).
8. ball-type cock as claimed in claim 4, is characterized in that: rotating shaft (E) and handle (F) are by welding or being threaded togather.
9. ball-type cock as claimed in claim 1, is characterized in that: relief opening (3) is positioned at the lower end of valve body (A).
10. ball-type cock as claimed in claim 1, is characterized in that: inlet opening (1) and delivery outlet (2) lay respectively at the both sides of relief opening (3).
11. ball-type cocks as described in claim 1 or 10, is characterized in that: the outside of described delivery outlet (2) is provided with valve gap (G).
12. ball-type cocks as described in claim 1 or 10, is characterized in that: described inlet opening (1) is identical with the internal diameter of delivery outlet (2).
13. ball-type cocks as claimed in claim 5, is characterized in that: the diameter of the macropore (H) of described ball core (B) is less than the internal diameter of inlet opening (1), delivery outlet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187153.1U CN204573164U (en) | 2015-03-31 | 2015-03-31 | A kind of ball-type cock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187153.1U CN204573164U (en) | 2015-03-31 | 2015-03-31 | A kind of ball-type cock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573164U true CN204573164U (en) | 2015-08-19 |
Family
ID=53865805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520187153.1U Expired - Fee Related CN204573164U (en) | 2015-03-31 | 2015-03-31 | A kind of ball-type cock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573164U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090325A (en) * | 2016-08-29 | 2016-11-09 | 赛洛克流体设备成都有限公司 | A kind of multiple flow passages tee ball valve |
| CN106195341A (en) * | 2016-08-29 | 2016-12-07 | 赛洛克流体设备成都有限公司 | A kind of tee ball valve of replaceable black box |
| CN106286901A (en) * | 2016-08-29 | 2017-01-04 | 赛洛克流体设备成都有限公司 | A kind of long service life tee ball valve |
| CN106286878A (en) * | 2016-10-19 | 2017-01-04 | 赛洛克流体设备成都有限公司 | One is applicable to vehicular gaseous propellant filling ball valve |
-
2015
- 2015-03-31 CN CN201520187153.1U patent/CN204573164U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090325A (en) * | 2016-08-29 | 2016-11-09 | 赛洛克流体设备成都有限公司 | A kind of multiple flow passages tee ball valve |
| CN106195341A (en) * | 2016-08-29 | 2016-12-07 | 赛洛克流体设备成都有限公司 | A kind of tee ball valve of replaceable black box |
| CN106286901A (en) * | 2016-08-29 | 2017-01-04 | 赛洛克流体设备成都有限公司 | A kind of long service life tee ball valve |
| CN106286878A (en) * | 2016-10-19 | 2017-01-04 | 赛洛克流体设备成都有限公司 | One is applicable to vehicular gaseous propellant filling ball valve |
| WO2018072467A1 (en) * | 2016-10-19 | 2018-04-26 | 赛洛克流体设备成都有限公司 | Ball valve applicable to vehicle gas fuel dispensing |
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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: 20150819 Termination date: 20190331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |