CN205026130U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN205026130U CN205026130U CN201520646568.0U CN201520646568U CN205026130U CN 205026130 U CN205026130 U CN 205026130U CN 201520646568 U CN201520646568 U CN 201520646568U CN 205026130 U CN205026130 U CN 205026130U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- spool
- valve
- sealing area
- valve body
- 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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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a ball valve, its technical scheme main points are equipped with the disk seat of placing in on the valve body on case one side, and disk seat and case offset the contravention and are circular -arc, and disk seat and case offset and are equipped with the breach groove on the terminal surface of contravention, and the valve body is including the fixed pipe that is used for the valve rod at the internalization, and fixed intraduct is the echelonment, fixed pipe is including a stepped section and the 2nd stepped section, be equipped with the beaded finish on valve rod and the case link, be equipped with the gasket of conflict on a stepped section on the beaded finish, be equipped with the annular on the valve rod, be equipped with O shape sealing washer in the annular, the ring channel includes tank bottom and the lateral wall of arranging the tank bottom both sides in, tank bottom and the lateral wall department of being connected are circular -arcly, still be equipped with the handle on the valve rod, the valve rod is connected with the case and is equipped with the nut on the other end of end, fixed pipe still is equipped with the supporting shoe, be equipped with the constant head tank on the supporting shoe, be equipped with the two O shape sealing washer inconsistent with the handle in the constant head tank, the utility model provides a strong and the high ball valve of intensity of leakproofness.
Description
Technical field
The utility model relates to a kind of valve technology field, and more particularly, it relates to a kind of ball valve.
Background technique
Traditional ball valve is used for damming, but when damming, easily occurring inner sealing weak effect, occurring water leakage situation, and serious more easily occurs that inner overstocking causes valve body rupture event to occur.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of sealability strong and a kind of ball valve that intensity is high.
For achieving the above object, the utility model provides following technological scheme: a kind of ball valve, comprise valve body, be placed in the spool in valve body, the bonnet that the valve rod be connected with spool and one end are connected with valve body screw thread, described spool side is provided with the valve seat be placed on valve body, described valve seat and the spool contravention that offsets is arc-shaped, the offset end face of contravention of described valve seat and spool is provided with gap slot, described valve body comprises the fixed tube for valve rod activity, described fixed tube inside is stepped, described fixed tube comprises the first end difference and the second end difference, described valve rod and spool connecting end are provided with stiffening ring, described stiffening ring is provided with the pad of conflicting on the first end difference, described valve rod is provided with annular groove, the first O-ring seals is provided with in described annular groove, described circular groove comprises bottom land and is placed in the sidewall of bottom land both sides, described bottom land and sidewall connection are arc-shaped, described valve rod is also provided with handle, the described valve rod the other end held that is connected with spool is provided with nut, described fixed tube is also provided with support block, described support block is provided with locating slot, second O-ring seals inconsistent with handle is provided with in described locating slot.
By adopting technique scheme, spool side is provided with the valve seat be placed on valve body, described valve seat and the spool contravention that offsets is arc-shaped, the offset end face of contravention of described valve seat and spool is provided with gap slot, being arranged so that at liquid by this by gap slot, can to the percussion of gap slot, then valve seat is extruded, make the sealing effect between valve seat and spool better, valve body comprises the fixed tube for valve rod activity, described fixed tube inside is stepped, described fixed tube comprises the first end difference and the second end difference, described valve rod and spool connecting end are provided with stiffening ring, described stiffening ring is provided with the pad of conflicting on the first end difference, by the setting of stiffening ring, and the elasticity of tie spacer, carry out extruding to the first end difference to seal, sealing when further ensure that use, valve rod is provided with annular groove, the first O-ring seals is provided with in described annular groove, by arranging the location of the first O-ring seals, thus ensure inner sealing, described circular groove comprises bottom land and is placed in the sidewall of bottom land both sides, described bottom land and sidewall connection are arc-shaped, and be arc-shaped by bottom land and sidewall connection, the joint of arc-shaped is utilized to play circle arc support effect, ensure the self-strength of valve rod, valve rod is also provided with handle, the described valve rod the other end held that is connected with spool is provided with nut, described fixed tube is also provided with support block, described support block is provided with locating slot, second O-ring seals inconsistent with handle is provided with in described locating slot, by the nut rotary squeezing of valve rod termination, conflict extruding is carried out by handle and the second O-ring seals be fixed in locating slot, thus guarantee overall tightness.
The utility model is set to further: described first end difference comprises primary sealing area and secondary sealing area, and described primary sealing area is vertically connected mutually with secondary sealing area, and described primary sealing area becomes arc-shaped with secondary sealing area joint.
By adopting technique scheme, first end difference comprises primary sealing area and secondary sealing area, described primary sealing area is vertically connected mutually with secondary sealing area, primary sealing area is utilized to become arc-shaped with secondary sealing area joint, the pad distortion when extruding, be out of shape along arc-shaped joint, by the extruding of stiffening ring, make sealing effect better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the A portion enlarged diagram of the utility model embodiment.
Fig. 3 is the utility model embodiment first end difference structural representation.
Reference character in figure: 101, valve body; 102, fixed tube; 1021, the first end difference; 1022, the second end difference; 10211, primary sealing area; 10212, secondary sealing area; 201, bonnet; 301, spool; 401, valve seat; 401, gap slot 501, valve rod; 502, annular groove; 5021, sidewall; 5022, bottom land; 503, stiffening ring; 601, the first O-ring seals; 602, pad; 701, handle; 801, nut; 901, support block; 902, the second O-ring seals.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model embodiment is described further.
A kind of ball valve, comprise valve body 101, be placed in the spool 301 in valve body 101, the bonnet 201 that the valve rod 501 be connected with spool 301 and one end are threaded with valve body 101, described spool 301 side is provided with the valve seat 401 be placed on valve body 101, described valve seat 401 and spool 301 contravention that offsets is arc-shaped, the offset end face of contravention of described valve seat 401 and spool 301 is provided with gap slot 401, described valve body 101 comprises the fixed tube 102 for valve rod 501 activity, described fixed tube 102 is inner stepped, described fixed tube 102 comprises the first end difference 1021 and the second end difference 1022, described valve rod 501 is provided with stiffening ring 503 with spool 301 connecting end, described stiffening ring 503 is provided with the pad 602 of conflicting on the first end difference 1021, described valve rod 501 is provided with annular groove 502, the first O-ring seals 601 is provided with in described annular groove 502, described circular groove comprises bottom land 5022 and is placed in the sidewall 5021 of bottom land 5022 both sides, described bottom land 5022 and sidewall 5021 connection are arc-shaped, described valve rod 501 is also provided with handle 701, described valve rod 501 the other end held that is connected with spool 301 is provided with nut 801, described fixed tube 102 is also provided with support block 901, described support block 901 is provided with locating slot, second O-ring seals inconsistent with handle 701 is provided with in described locating slot.
By adopting technique scheme, spool 301 side is provided with the valve seat 401 be placed on valve body 101, described valve seat 401 and spool 301 contravention that offsets is arc-shaped, the offset end face of contravention of described valve seat 401 and spool 301 is provided with gap slot 401, being arranged so that at liquid by this by gap slot 401, can to the percussion of gap slot 401, then valve seat 401 is extruded, make the sealing effect between valve seat 401 and spool 301 better, valve body 101 comprises the fixed tube 102 for valve rod 501 activity, described fixed tube 102 is inner stepped, described fixed tube 102 comprises the first end difference 1021 and the second end difference 1022, described valve rod 501 is provided with stiffening ring 503 with spool 301 connecting end, described stiffening ring 503 is provided with the pad 602 of conflicting on the first end difference 1021, by the setting of stiffening ring 503, and the elasticity of tie spacer 602, carry out extruding to the first end difference 1021 to seal, sealing when further ensure that use, valve rod 501 is provided with annular groove 502, the first O-ring seals 601 is provided with in described annular groove 502, by arranging the location of the first O-ring seals 601, thus ensure inner sealing, described circular groove comprises bottom land 5022 and is placed in the sidewall 5021 of bottom land 5022 both sides, described bottom land 5022 and sidewall 5021 connection are arc-shaped, and be arc-shaped by bottom land 5022 and sidewall 5021 connection, the joint of arc-shaped is utilized to play circle arc support effect, ensure the self-strength of valve rod 501, valve rod 501 is also provided with handle 701, described valve rod 501 the other end held that is connected with spool 301 is provided with nut 801, described fixed tube 102 is also provided with support block 901, described support block 901 is provided with locating slot, second O-ring seals inconsistent with handle 701 is provided with in described locating slot, by nut 801 rotary squeezing of valve rod 501 termination, conflict extruding is carried out by handle 701 and the second O-ring seals be fixed in locating slot, thus guarantee overall tightness.
The utility model is set to further: described first end difference 1021 comprises primary sealing area 10211 and secondary sealing area 10212, described primary sealing area 10211 is vertically connected mutually with secondary sealing area 10212, and described primary sealing area 10211 becomes arc-shaped with secondary sealing area 10212 joint.
By adopting technique scheme, first end difference 1021 comprises primary sealing area 10211 and secondary sealing area 10212, described primary sealing area 10211 is vertically connected mutually with secondary sealing area 10212, primary sealing area 10211 is utilized to become arc-shaped with secondary sealing area 10212 joint, when extruding, pad 602 is out of shape, be out of shape along arc-shaped joint, by the extruding of stiffening ring 503, make sealing effect better.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, those skilled in the art carries out common change and replaces should being included in protection domain of the present utility model within the scope of technical solutions of the utility model.
Claims (2)
1. a ball valve, comprise valve body, be placed in the spool in valve body, the bonnet that the valve rod be connected with spool and one end are connected with valve body screw thread, it is characterized in that: described spool side is provided with the valve seat be placed on valve body, described valve seat and the spool contravention that offsets is arc-shaped, the offset end face of contravention of described valve seat and spool is provided with gap slot, described valve body comprises the fixed tube for valve rod activity, described fixed tube inside is stepped, described fixed tube comprises the first end difference and the second end difference, described valve rod and spool connecting end are provided with stiffening ring, described stiffening ring is provided with the pad of conflicting on the first end difference, described valve rod is provided with annular groove, the first O-ring seals is provided with in described annular groove, described circular groove comprises bottom land and is placed in the sidewall of bottom land both sides, described bottom land and sidewall connection are arc-shaped, described valve rod is also provided with handle, the described valve rod the other end held that is connected with spool is provided with nut, described fixed tube is also provided with support block, described support block is provided with locating slot, second O-ring seals inconsistent with handle is provided with in described locating slot.
2. a kind of ball valve according to claim 1, it is characterized in that: described first end difference comprises primary sealing area and secondary sealing area, described primary sealing area is vertically connected mutually with secondary sealing area, and described primary sealing area becomes arc-shaped with secondary sealing area joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646568.0U CN205026130U (en) | 2015-08-25 | 2015-08-25 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646568.0U CN205026130U (en) | 2015-08-25 | 2015-08-25 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026130U true CN205026130U (en) | 2016-02-10 |
Family
ID=55258664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520646568.0U Expired - Fee Related CN205026130U (en) | 2015-08-25 | 2015-08-25 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026130U (en) |
-
2015
- 2015-08-25 CN CN201520646568.0U patent/CN205026130U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160506 Address after: Taizhou City, Zhejiang province Yuhuan County town 317600 Truman technology industry zone (Zhongshan Village) Patentee after: Taizhou giant Valve Co., Ltd. Address before: Taizhou City, Zhejiang province Yuhuan County 317605 front Truman County Patentee before: YUHUAN WANSHIDA COPPER INDUSTRY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20160825 |