CN201731100U - Top-loading ball valve - Google Patents
Top-loading ball valve Download PDFInfo
- Publication number
- CN201731100U CN201731100U CN201020274624XU CN201020274624U CN201731100U CN 201731100 U CN201731100 U CN 201731100U CN 201020274624X U CN201020274624X U CN 201020274624XU CN 201020274624 U CN201020274624 U CN 201020274624U CN 201731100 U CN201731100 U CN 201731100U
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- CN
- China
- Prior art keywords
- valve
- seat
- spring
- valve seat
- spring seat
- 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 - Lifetime
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Abstract
The utility model relates to a top-loading ball valve, which comprises a valve body, a valve cover, a spring valve seat, a spring arranged between the spring valve seat and the inner wall of the valve body, a valve rod, and a driving device for driving the valve rod to rotate, wherein the valve cavity is internally provided with a ball body, the spring valve seat comprises a spring seat and a valve seat which are separated, the valve body is internally provided with a holding cavity matched with the spring seat, the spring seat is placed in the holding cavity, the valve seat is arranged between the spring seat and the ball body, the valve seat and the one end surface of the spring seat are contacted and sealed, the spring seat and the valve seat are upwards matched in a separated way, the inner wall of the lower end of the valve body is extended to the lower end surface of the valve seat, so that the valve body and the valve seat are positioned and matched. By adopting the technical scheme, the utility model provides the top-loading ball valve which is used for maintenance of internal parts and is convenient to replace.
Description
Technical field
The utility model relates to a kind of valve, particularly a kind of roof-mounted ball valve.
Background technique
At present, the roof-mounted ball valve that uses in the society, its general structure comprises the drive unit that valve body, valve gap, spheroid, valve rod, spring valve seat, actuate valve stem are rotated etc.Be provided with the cavity volume that is complementary with the spring valve seat in the valve body, the spring valve seat places this cavity volume, seal ring between spring valve seat and the spheroid is between sphere and spring valve seat, make the part spheroid place the spring valve seat, when spheroid, the spring valve seat of roof-mounted ball valve inside needs repairing or changes, all need could take out spheroid or spheroid is installed pushing outside the past both sides of spring valve seat, its operation is very inconvenient, so a kind of internals maintenance or roof-mounted easily ball valve of replacing of carrying out of market in urgent need.
The model utility content
In order to overcome the defective of prior art, the utility model provides a kind of to carry out the internals maintenance or changes roof-mounted easily ball valve.
The technical solution of the utility model: a kind of roof-mounted ball valve, comprise valve body, be installed in the valve gap on the described valve body, be provided with the flow channel and the flow pass that flow for working medium in the described valve body, be provided with a valve pocket between described flow channel and the flow pass, be equipped with the spring valve seat between described valve pocket and flow channel and the flow pass, being provided with one between described spring valve seat and the valve interior wall is used to make the spring valve seat to be adjacent to the resilient member of valve body, be provided with a spheroid in the described valve pocket, be provided with the connecting passage that can under the valve open state, connect described flow channel and flow pass in the described spheroid, also comprise and be used to drive the valve rod of spheroid rotation and be used for the drive unit that actuate valve stem is rotated, described spring valve seat includes the spring seat and the valve seat of split, be provided with the cavity volume that is complementary with described spring seat in the described valve body, described spring seat places described cavity volume, described valve seat is between spring seat and spheroid, described valve seat contacts with spring seat one end face and forms sealing, described spring seat and valve seat are the separable cooperation that makes progress, and described valve body lower end inwall extends to valve seat lower end surface formation valve body and cooperates with the location of valve seat.
Further improvement of the utility model: described spring seat is a solid of rotation, its rotation profile is stepped, described valve seat is a cylindrical body, be provided with the through hole that is complementary with described flow channel and flow pass in described spring seat and the valve seat, the large round end surface of described spring seat contacts with the nose circle face of valve seat and constitutes the separable cooperation that makes progress of described spring seat and valve seat.
Further improvement of the present utility model: described spring seat and the contacted end face of described valve seat are provided with chamfering.
Further improvement more of the present utility model: be provided with seal ring between described spring seat and the valve seat.
Effect of the present utility model: can so that the maintenance of internals, change convenient; The employing further improvement of the utility model can be so that spring seat and valve seat be easy to process; Adopt and of the present utility modelly further improve, can be so that valve seat and spheroid can not damage spring seat when installing; Of the present utility modelly further improve again, can so that working medium can not reveal.
Description of drawings
Fig. 1 is the sectional drawing of the utility model specific embodiment
Fig. 2 is the partial enlarged drawing of I part among Fig. 1
Fig. 3 is the partial enlarged drawing of II part among Fig. 1
Embodiment
Embodiment of the present utility model: as Fig. 1,2,3 is described, a kind of roof-mounted ball valve, comprise valve body 1, be installed in the valve gap 2 on the described valve body 1, be provided with the flow channel 11 and the flow pass 12 that flow for working medium in the described valve body 1, be provided with a valve pocket 13 between described flow channel 11 and the flow pass 12, be equipped with spring valve seat 3 between described valve pocket 13 and flow channel 11 and the flow pass 12, be provided with the through hole that is complementary with described flow channel 11 and flow pass 12 in the described spring valve seat 3, being provided with one between described spring valve seat 3 and valve body 1 inwall is used to make spring valve seat 3 to be adjacent to the resilient member of valve body 1, described resilient member generally adopts spring 4, be provided with a spheroid 5 in the described valve pocket 13, be provided with the connecting passage 51 that can connect described flow channel 11 and flow pass 12 in the described spheroid 5, also comprise and be used to drive the valve rod 6 of spheroid 5 rotations and be used for the drive unit that actuate valve stem 6 is rotated, described drive unit can be manual operating device, Pneumatic actuator or Electric actuator etc., described spring valve seat 3 includes the spring seat 31 and the valve seat 32 of split, be provided with the cavity volume that is complementary with described spring seat 31 in the described valve body 1, described spring seat 31 places described cavity volume, described valve seat 32 is between spring seat 31 and spheroid 5, described valve seat 32 contacts with spring seat 31 1 end faces and forms sealing, described spring seat 31 and valve seat 32 are the separable cooperation that makes progress, and described valve body 1 lower end inwall extends to valve seat 32 lower end surfaces formation valve body 1 and cooperates with the location of valve seat 32.In this specific embodiment for the two kinds of mode of executions that are equipped with of described spring 4: first kind for 31 being provided with a groove on the described spring seat, be provided with a spring 4 in the described groove, an end of described spring 4 and bottom portion of groove conflict, the other end and valve body 1 inwall are conflicted; Second kind is provided with a groove for described valve body 1 inwall, is provided with a spring 4 in the described groove, and an end of described spring 4 and bottom portion of groove conflict, the other end and spring seat 31 are conflicted.In this specific embodiment, described spring seat 31 is a solid of rotation, its rotation profile is stepped, described valve seat 32 is a cylindrical body, be provided with the through hole that is complementary with described flow channel and flow pass in described spring seat 31 and the valve seat 32, the large round end surface of described spring seat 31 contacts with the nose circle face of valve seat 32 and constitutes the separable cooperation that makes progress of described spring seat 31 and valve seat 32, surface of contact between certain described spring seat 31 and the valve seat 32 can be the inclined-plane that is complementary or trapezoidal faces etc., but makes the very inconvenient of processing, seal approach like this; Described valve body 1 lower end inwall extends to valve seat 32 lower end surfaces and constitutes valve body and cooperate with the location of valve seat, when spheroid 5 and valve seat 32 are installed to valve pocket, can locate valve seat 32 well like this.In order to make spheroid 5 and valve seat 32 make things convenient for when installing, can not damage spring seat 31, in this specific embodiment, be provided with chamfering with described valve seat 32 contacted end faces at described spring seat 31.For the better tightness that makes between spring seat 31 and the valve seat 32, in this specific embodiment, between described spring seat 31 and valve seat 32, be provided with seal ring 7.
Installation method of the present utility model: when needs keep in repair or change the ball valve internals, open valve gap 2, earlier spheroid 5 and valve seat 32 are taken out together, take out spring seat 31 again, just can handle to internals; Processing finishes, and earlier spring seat 31 is installed in the valve body 1, again spheroid 5 and valve seat 32 is installed the maintenance or the replacing that just can realize the ball valve internals together.
Claims (4)
1. roof-mounted ball valve, comprise valve body, be installed in the valve gap on the described valve body, be provided with the flow channel and the flow pass that flow for working medium in the described valve body, be provided with a valve pocket between described flow channel and the flow pass, be equipped with the spring valve seat between described valve pocket and flow channel and the flow pass, being provided with one between described spring valve seat and the valve interior wall is used to make the spring valve seat to be adjacent to the resilient member of valve body, be provided with a spheroid in the described valve pocket, be provided with the connecting passage that can under the valve open state, connect described flow channel and flow pass in the described spheroid, also comprise and be used to drive the valve rod of spheroid rotation and be used for the drive unit that actuate valve stem is rotated, it is characterized in that: described spring valve seat includes the spring seat and the valve seat of split, be provided with the cavity volume that is complementary with described spring seat in the described valve body, described spring seat places described cavity volume, described valve seat is between spring seat and spheroid, described valve seat contacts with spring seat one end face and forms sealing, described spring seat and valve seat are the separable cooperation that makes progress, and described valve body lower end inwall extends to valve seat lower end surface formation valve body and cooperates with the location of valve seat.
2. roof-mounted ball valve according to claim 1, it is characterized in that: described spring seat is a solid of rotation, its rotation profile is stepped, described valve seat is a cylindrical body, be provided with the through hole that is complementary with described flow channel and flow pass in described spring seat and the valve seat, the large round end surface of described spring seat contacts with the nose circle face of valve seat and constitutes the separable cooperation that makes progress of described spring seat and valve seat.
3. roof-mounted ball valve according to claim 2 is characterized in that: described spring seat and the contacted end face of described valve seat are provided with chamfering.
4. according to claim 1 or 2 or 3 described roof-mounted ball valves, it is characterized in that: be provided with seal ring between described spring seat and the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020274624XU CN201731100U (en) | 2010-07-26 | 2010-07-26 | Top-loading ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020274624XU CN201731100U (en) | 2010-07-26 | 2010-07-26 | Top-loading ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731100U true CN201731100U (en) | 2011-02-02 |
Family
ID=43522257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020274624XU Expired - Lifetime CN201731100U (en) | 2010-07-26 | 2010-07-26 | Top-loading ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731100U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359618A (en) * | 2011-11-09 | 2012-02-22 | 浙江超达阀门股份有限公司 | Top entry ball valve |
| CN102367879A (en) * | 2011-11-21 | 2012-03-07 | 苏州纽威阀门股份有限公司 | Top-entry floating ball valve |
-
2010
- 2010-07-26 CN CN201020274624XU patent/CN201731100U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359618A (en) * | 2011-11-09 | 2012-02-22 | 浙江超达阀门股份有限公司 | Top entry ball valve |
| CN102367879A (en) * | 2011-11-21 | 2012-03-07 | 苏州纽威阀门股份有限公司 | Top-entry floating ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHAODA VALVE GROUP CO., LTD. Free format text: FORMER NAME: ZHEJIANG CHAODA VALVE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Jiangbei Avenue 325102 Zhejiang Oubei town of Yongjia County Patentee after: Chaoda Valve Group Co., Ltd. Address before: Jiangbei Avenue 325102 Zhejiang Oubei town of Yongjia County Patentee before: Zhejiang Chaoda Valve Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110202 |
|
| CX01 | Expiry of patent term |