CN204592411U - A kind of ball valve - Google Patents
A kind of ball valve Download PDFInfo
- Publication number
- CN204592411U CN204592411U CN201520121571.0U CN201520121571U CN204592411U CN 204592411 U CN204592411 U CN 204592411U CN 201520121571 U CN201520121571 U CN 201520121571U CN 204592411 U CN204592411 U CN 204592411U
- Authority
- CN
- China
- Prior art keywords
- valve
- spheroid
- upper cover
- valve seat
- valve rod
- 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 - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of ball valve, comprise valve body, valve rod, spheroid, valve gap, bottom and upper cover, in bottom, upper end integral type is provided with lower stationary axle, described lower stationary axle is connected by oilless bearing with between spheroid, all valve gap is connected with at four medium channel mouths of described valve body, between described spheroid and described four valve gaps, all sealing configuration is installed, the lower end of described valve rod is by key and the clamping of spheroid upper end, be connected with support in upper cover upper end, top, valve rod upper end is connected with electric actuator.Described sealing configuration comprises valve seat, O-ring seals, spring and valve seat bearing ring.Seal en-hancement between spheroid and valve gap is compared with prior art hard sealing structure by the utility model, greatly strengthen the working life of sealing configuration, arranged by bearing between valve rod and upper cover simultaneously, make between valve rod and upper cover without wearing and tearing, further increase the working life of valve, reduce maintenance rate.
Description
Technical field
The utility model belongs to valve technology field, particularly a kind of ball valve.
Background technique
Four way ball valve great majority are used in the valve field needing commutation, and its Main Function switches the flow direction of medium.The complex structure of existing four-way reversing globe valve, between spheroid and valve gap, general employing is seal ring sealing, the shortcomings such as seal ring has quick abrasion, and working life is short.
Model utility content
In order to overcome the deficiency of above-mentioned technology, the purpose of this utility model is to provide a kind of ball valve.
The technological scheme that the utility model is taked for its technical problem of solution is:
A kind of ball valve, comprise valve body, valve rod, spheroid and valve gap, the upper and lower end of spheroid is equipped with hole slot, described valve body is provided with four medium channels, valve body lower end is connected with bottom, and in bottom, upper end integral type is provided with lower stationary axle, and lower stationary axle extends in the hole slot of spheroid lower end, described lower stationary axle is connected by oilless bearing with between spheroid, between lower top, stationary axle upper end and spheroid, be provided with thrust pad; All be connected with valve gap at four medium channel mouths of described valve body, between described spheroid and described four valve gaps, all sealing configuration be installed, be connected with upper cover in the upper end of valve body by screw; The lower end of described valve rod, by key and the clamping of spheroid upper end, is provided with oilless bearing, Stuffing box, filler and Gland in turn from bottom to top between valve rod and upper cover, is connected with support in upper cover upper end, and top, valve rod upper end is connected with electric actuator.
Described sealing configuration comprises valve seat and valve seat bearing ring, valve seat is connected on valve seat bracing ring, and valve seat and spheroid touch, at left end clamping one spring of valve seat bearing ring, spring and described valve gap touch, and are provided with O-ring seals between described valve seat bracing ring and described valve gap.
The beneficial effects of the utility model: the seal en-hancement between spheroid and valve gap is compared with prior art hard sealing structure by the utility model, greatly strengthen the working life of sealing configuration, arranged by bearing between valve rod and upper cover simultaneously, make between valve rod and upper cover without wearing and tearing, further increase the working life of valve, reduce maintenance rate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of ball valve as shown in Figure 1, comprise valve body 8, valve rod 20, spheroid 9 and valve gap 11, the upper and lower end of spheroid 9 is equipped with hole slot, described valve body 8 is provided with four medium channels, valve body 8 lower end is connected with bottom 6, and in bottom 6, upper end integral type is provided with lower stationary axle 4, and lower stationary axle 4 extends in the hole slot of spheroid 9 lower end, described lower stationary axle 4 is connected by oilless bearing with between spheroid 9, between lower top, stationary axle 4 upper end and spheroid 9, be provided with thrust pad 18; All be connected with valve gap 11 at four medium channel mouths of described valve body 8, between described spheroid 9 and described four valve gaps 11, all sealing configuration be installed, be connected with upper cover 24 in the upper end of valve body 8 by screw; The lower end of described valve rod 20 is by key 21 and spheroid 9 upper end clamping, oilless bearing, Stuffing box 27, filler 38 and Gland 39 is provided with from bottom to top in turn between valve rod 20 and upper cover 24, be connected with support 42 in upper cover 24 upper end, top, valve rod 20 upper end is connected with electric actuator 43.
Described sealing configuration comprises valve seat 16 and valve seat bearing ring 15, valve seat 16 is connected on valve seat bracing ring 15, valve seat 16 and spheroid 9 touch, at left end clamping one spring 14 of valve seat bearing ring 15, spring 14 and described valve gap 11 touch, and are provided with O-ring seals 10 between described valve seat bracing ring 15 and described valve gap 11.
Valve body 8 is provided with a tapped hole be communicated with the valve pocket in valve body 8, and tapped hole has been threaded plug screw 1, and plug screw 1 is provided with thread locking glue.
Seal en-hancement between spheroid and valve gap is compared with prior art hard sealing structure by the utility model, greatly strengthen the working life of sealing configuration, arranged by bearing between valve rod and upper cover simultaneously, make between valve rod and upper cover without wearing and tearing, further increase the working life of valve, reduce maintenance rate.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, simple change and the replacement of those ordinary skill in the art are all within protection domain of the present utility model.
Claims (2)
1. a ball valve, comprise valve body, valve rod, spheroid and valve gap, the upper and lower end of spheroid is equipped with hole slot, it is characterized in that: described valve body is provided with four medium channels, valve body lower end is connected with bottom, and in bottom, upper end integral type is provided with lower stationary axle, and lower stationary axle extends in the hole slot of spheroid lower end, described lower stationary axle is connected by oilless bearing with between spheroid, between lower top, stationary axle upper end and spheroid, be provided with thrust pad; All be connected with valve gap at four medium channel mouths of described valve body, between described spheroid and described four valve gaps, all sealing configuration be installed, be connected with upper cover in the upper end of valve body by screw; The lower end of described valve rod, by key and the clamping of spheroid upper end, is provided with oilless bearing, Stuffing box, filler and Gland in turn from bottom to top between valve rod and upper cover, is connected with support in upper cover upper end, and top, valve rod upper end is connected with electric actuator.
2. ball valve according to claim 1, it is characterized in that: described sealing configuration comprises valve seat and valve seat bearing ring, valve seat is connected on valve seat bracing ring, valve seat and spheroid touch, at left end clamping one spring of valve seat bearing ring, spring and described valve gap touch, and are provided with O-ring seals between described valve seat bracing ring and described valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121571.0U CN204592411U (en) | 2015-03-02 | 2015-03-02 | A kind of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121571.0U CN204592411U (en) | 2015-03-02 | 2015-03-02 | A kind of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592411U true CN204592411U (en) | 2015-08-26 |
Family
ID=53928563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520121571.0U Expired - Fee Related CN204592411U (en) | 2015-03-02 | 2015-03-02 | A kind of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204592411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641321A (en) * | 2017-02-23 | 2017-05-10 | 江苏明江阀业有限公司 | Ball valve with oilless bearing |
-
2015
- 2015-03-02 CN CN201520121571.0U patent/CN204592411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641321A (en) * | 2017-02-23 | 2017-05-10 | 江苏明江阀业有限公司 | Ball valve with oilless bearing |
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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: 20150826 Termination date: 20160302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |