CN205350417U - Floating ball valve - Google Patents
Floating ball valve Download PDFInfo
- Publication number
- CN205350417U CN205350417U CN201620065518.8U CN201620065518U CN205350417U CN 205350417 U CN205350417 U CN 205350417U CN 201620065518 U CN201620065518 U CN 201620065518U CN 205350417 U CN205350417 U CN 205350417U
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- valve
- valve rod
- spheroid
- side pipe
- floating ball
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Abstract
The utility model discloses a floating ball valve, which comprises the following components: a valve body, the spheroid, valve rod and handle, the spheroid sets up in the valve body, the valve rod lower extreme passes the valve body and links firmly with the spheroid, the handle is installed in the valve rod upper end, the valve body both sides all are fixed with the side pipe, side pipe the inner is located the valve body, be equipped with elastic sealing structure between spheroid and the side pipe, elastic sealing structure includes the disk seat, the skeleton, O type circle and dish spring, the skeleton sets up in the disk seat outside, the disk seat periphery is equipped with the seal groove, a O type circle is installed in the seal groove and is used for sealed between disk seat and the side pipe, the dish spring sets up the outside at the skeleton, dish spring both ends are pushed up tightly respectively on skeleton and side pipe and are promoted the disk seat and closely laminate with spheroidal surface. The utility model has the advantages of simple structure and novel design reasonable and use easy and simple to handlely, ensureing that spheroid and rear side disk seat are effectively sealed, it can't provide enough sealing forces and lead to sealed tight, the problem that arouses the leakage to have solved when medium self pressure is lower, seal effectually.
Description
Technical field
This utility model belongs to valve technology field, is specifically related to a kind of floating ball valve.
Background technology
The spheroid of floating ball valve is to float, and under pressure medium effect, spheroid can produce certain displacement and be pressed on the sealing surface of the port of export, it is ensured that the port of export seals.Ball valve plays connection and Truncation in industrial pipeline, it is desirable to when blocking, must not there be leakage phenomenon spheroid front and back end.When common floating ball valve spheroid is closed, pressure medium acts on and pushes it against rear side valve base sealing on spheroid, when medium pressure itself is relatively low, it is possible to the sealing force that cannot provide enough guarantees to seal, and causes leakage.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned deficiency of the prior art, a kind of floating ball valve is provided, its simple in construction, modern design rationally and use easy and simple to handle, can ensure that spheroid and rear side valve seat effectively seal, solve and enough sealing forces cannot be provided to cause poorly sealed, to cause leakage problem when medium pressure itself is relatively low, good sealing effect, easily manufactured, low cost of manufacture.
For achieving the above object, the technical solution adopted in the utility model is: a kind of floating ball valve, it is characterized in that: include valve body, spheroid, valve rod and hands handle, described spheroid is arranged in valve body, the lower end of described valve rod is through valve body and fixing with spheroid is connected, described handle is arranged on the upper end of valve rod, the both sides of described valve body are respectively and fixedly provided with side pipe, the inner of described side pipe is positioned at valve body, it is provided with elastic sealing structure between described spheroid and side pipe, described elastic sealing structure includes valve seat, skeleton, first O and disc spring, described skeleton is arranged on the outside of valve seat, the periphery of described valve seat is provided with seal groove, described first O is arranged in described seal groove and for sealing between valve seat and side pipe, described disc spring is arranged on the outside of skeleton, the two ends of described disc spring hold out against on skeleton and side pipe and promote the intimate of valve seat and spheroid to fit respectively.
Above-mentioned a kind of floating ball valve, it is characterised in that: described stem exterior is provided with valve rod overcoat, and the lower end of described valve rod overcoat is welded with valve body.
Above-mentioned a kind of floating ball valve, it is characterized in that: between top and the valve rod of described valve rod overcoat, be provided with upper bearing (metal) and gland, described gland is positioned at the top of upper bearing (metal), multiple second O and gasket seal it is arranged at intervals with between described gland and upper bearing (metal), second O and gasket seal are compressed by described gland by compressing member, described compressing member is positioned at the top of gland, and described compressing member passes valve rod overcoat and valve rod.
Above-mentioned a kind of floating ball valve, it is characterised in that: described compressing member is bearing pin.
Above-mentioned a kind of floating ball valve, it is characterised in that: being provided with lower bearing and thrust washer between bottom and the valve rod of described valve rod overcoat, described thrust washer is positioned at the lower section of lower bearing.
Above-mentioned a kind of floating ball valve, it is characterised in that: described upper bearing (metal) and lower bearing are sliding bearing.
Above-mentioned a kind of floating ball valve, it is characterised in that: one end of described handle is set in the upper end of valve rod, and described handle is fastened on valve rod by acorn nut.
Above-mentioned a kind of floating ball valve, it is characterised in that: the connected mode of described side pipe and valve body is for welding.
This utility model compared with prior art has the advantage that
1, this utility model simple in construction, modern design rationally and use easy and simple to handle.
2, this utility model by arranging elastic sealing structure between spheroid and side pipe, it is ensured that floating ball valve double fluid, to all sealing, solves and enough sealing forces cannot be provided to cause poorly sealed, to cause leakage problem when medium pressure itself is relatively low.
3, this utility model arranges seal groove by the periphery at valve seat, arranges the first O in seal groove, and valve seat, when floating, realizes the axial seal between valve seat and side pipe, good sealing effect by the first O.
4, this utility model arrange between the top and valve rod of valve rod overcoat the second O, gasket seal and gland can ensure on seal, between the bottom and valve rod of valve rod overcoat, thrust washer is set, sealing can be increased, when the pressure in floating ball valve is more high, then seal more reliable.
5, this utility model is easily manufactured, low cost of manufacture, and result of use is good.
Below by drawings and Examples, this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A place enlarged drawing of Fig. 1.
Description of reference numerals:
1 handle；2 acorn nuts；3 compressing members；
4 glands；5 second O；6 gasket seals；
7-1 upper bearing (metal)；7-2 lower bearing；8 valve rod overcoats；
9 thrust washers；10 valve rods；11 side pipes；
12 spheroids；13 valve bodies；14 valve seats；
15 first O；16 skeletons；17 disc springs.
Detailed description of the invention
As depicted in figs. 1 and 2, this utility model includes valve body 13, spheroid 12, valve rod 10 and handle 1, described spheroid 12 is arranged in valve body 13, the lower end of described valve rod 10 is through valve body 13 and fixing with spheroid 12 is connected, described handle 1 is arranged on the upper end of valve rod 10, the both sides of described valve body 13 are respectively and fixedly provided with side pipe 11, the inner of described side pipe 11 is positioned at valve body 13, it is provided with elastic sealing structure between described spheroid 12 and side pipe 11, described elastic sealing structure includes valve seat 14, skeleton 16, first O 15 and disc spring 17, described skeleton 16 is arranged on the outside of valve seat 14, the periphery of described valve seat 14 is provided with seal groove, described first O 15 is arranged in described seal groove and for sealing between valve seat 14 and side pipe 11, described disc spring 17 is arranged on the outside of skeleton 16, the two ends of described disc spring 17 hold out against on skeleton 16 and side pipe 11 and promote the intimate of valve seat 14 and spheroid 12 to fit respectively.
As it is shown in figure 1, described valve rod 10 is provided externally with valve rod overcoat 8, the lower end of described valve rod overcoat 8 is welded with valve body 13.
As shown in Figure 1, it is provided with upper bearing (metal) 7-1 and gland 4 between top and the valve rod 10 of described valve rod overcoat 8, described gland 4 is positioned at the top of upper bearing (metal) 7-1, multiple second O 5 and gasket seal 6 it is arranged at intervals with between described gland 4 and upper bearing (metal) 7-1, second O 5 and gasket seal 6 are compressed by described gland 4 by compressing member 3, described compressing member 3 is positioned at the top of gland 4, and described compressing member 3 passes valve rod overcoat 8 and valve rod 10；Second O 5, gasket seal 6 and gland 4 are set and can ensure upper sealing.
In the present embodiment, described compressing member 3 is bearing pin.
As shown in Figure 1, being provided with lower bearing 7-2 and thrust washer 9 between bottom and the valve rod 10 of described valve rod overcoat 8, described thrust washer 9 is positioned at the lower section of lower bearing 7-2, and the setting of thrust washer 9 can increase sealing, when the pressure in floating ball valve is more high, then seal more reliable.
In the present embodiment, described upper bearing (metal) 7-1 and lower bearing 7-2 is sliding bearing, arranges sliding bearing and can reduce rotating torque between valve rod 10 and valve rod overcoat 8.
As it is shown in figure 1, one end of described handle 1 is set in the upper end of valve rod 10, described handle 1 is fastened on valve rod 10 by acorn nut 2.
In the present embodiment, the connected mode of described side pipe 11 and valve body 13 is for welding.
Operation principle of the present utility model is: during use, and by two side pipes 11 all and pipeline welding, the connection of ball valve or to block be realized by 90 degree of spinning balls 12,90 degree of turning handles 1 can be opened or close floating ball valve clockwise or counter-clockwise.Owing to being provided with elastic sealing structure between spheroid 12 and side pipe 11, therefore can ensure that floating ball valve double fluid is to all sealing.After floating ball valve completely closes, when pipeline pressure is higher, the power that spheroid 12 is pushed to rear side valve seat 14 by medium pressure itself is relatively big, is provided that enough sealing forces ensure to seal；When pipeline pressure is relatively low, the power that spheroid 12 is pushed to rear side valve seat 14 by the pressure of medium self is less, and now, the elastic force of disc spring 17 also pushes valve seat 14 to spheroid 12, to guarantee sealing effectiveness.Both sides valve seat 14 is when floating, and the axial seal between valve seat 14 and side pipe 11 is to be realized by the first O 15.
The above; it it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation above example made according to this utility model technical spirit, all still falls within the protection domain of technical solutions of the utility model.
Claims (8)
1. a floating ball valve, it is characterized in that: include valve body (13), spheroid (12), valve rod (10) and handle (1), described spheroid (12) is arranged in valve body (13), the lower end of described valve rod (10) is through valve body (13) and fixing with spheroid (12) is connected, described handle (1) is arranged on the upper end of valve rod (10), the both sides of described valve body (13) are respectively and fixedly provided with side pipe (11), the inner of described side pipe (11) is positioned at valve body (13), it is provided with elastic sealing structure between described spheroid (12) and side pipe (11), described elastic sealing structure includes valve seat (14), skeleton (16), first O (15) and disc spring (17), described skeleton (16) is arranged on the outside of valve seat (14), the periphery of described valve seat (14) is provided with seal groove, described first O (15) is arranged in described seal groove and for sealing between valve seat (14) and side pipe (11), described disc spring (17) is arranged on the outside of skeleton (16), the two ends of described disc spring (17) hold out against intimate that is upper in skeleton (16) and side pipe (11) and that promote valve seat (14) and spheroid (12) respectively and fit.
2. a kind of floating ball valve described in claim 1, it is characterised in that: described valve rod (10) is provided externally with valve rod overcoat (8), and the lower end of described valve rod overcoat (8) is welded with valve body (13).
3. a kind of floating ball valve described in claim 2, it is characterized in that: between top and the valve rod (10) of described valve rod overcoat (8), be provided with upper bearing (metal) (7-1) and gland (4), described gland (4) is positioned at the top of upper bearing (metal) (7-1), multiple second O (5) and gasket seal (6) it is arranged at intervals with between described gland (4) and upper bearing (metal) (7-1), second O (5) and gasket seal (6) are compressed by described gland (4) by compressing member (3), described compressing member (3) is positioned at the top of gland (4), described compressing member (3) traverse valve rod overcoat (8) and valve rod (10).
4. a kind of floating ball valve described in claim 3, it is characterised in that: described compressing member (3) is bearing pin.
5. a kind of floating ball valve described in claim 3 or 4, it is characterized in that: being provided with lower bearing (7-2) and thrust washer (9) between bottom and the valve rod (10) of described valve rod overcoat (8), described thrust washer (9) is positioned at the lower section of lower bearing (7-2).
6. a kind of floating ball valve described in claim 5, it is characterised in that: described upper bearing (metal) (7-1) and lower bearing (7-2) are sliding bearing.
7. a kind of floating ball valve described in any claim in claim 1-4, it is characterized in that: one end of described handle (1) is set in the upper end of valve rod (10), and described handle (1) is fastened on valve rod (10) by acorn nut (2).
8. a kind of floating ball valve described in any claim in claim 1-4, it is characterised in that: the connected mode of described side pipe (11) and valve body (13) is for welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620065518.8U CN205350417U (en) | 2016-01-22 | 2016-01-22 | Floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620065518.8U CN205350417U (en) | 2016-01-22 | 2016-01-22 | Floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350417U true CN205350417U (en) | 2016-06-29 |
Family
ID=56181917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620065518.8U Active CN205350417U (en) | 2016-01-22 | 2016-01-22 | Floating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205350417U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799540A (en) * | 2018-08-24 | 2018-11-13 | 江苏诚功阀门科技有限公司 | A kind of anti-leak heating power ball valve |
| CN109296769A (en) * | 2017-07-25 | 2019-02-01 | 自贡新比隆阀门有限公司 | New floating ball valve |
| CN115839423A (en) * | 2023-02-02 | 2023-03-24 | 中鸿阀门股份有限公司 | Steel pipe welding ball valve that floats for heating power |
-
2016
- 2016-01-22 CN CN201620065518.8U patent/CN205350417U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296769A (en) * | 2017-07-25 | 2019-02-01 | 自贡新比隆阀门有限公司 | New floating ball valve |
| CN108799540A (en) * | 2018-08-24 | 2018-11-13 | 江苏诚功阀门科技有限公司 | A kind of anti-leak heating power ball valve |
| CN115839423A (en) * | 2023-02-02 | 2023-03-24 | 中鸿阀门股份有限公司 | Steel pipe welding ball valve that floats for heating power |
| CN115839423B (en) * | 2023-02-02 | 2023-08-08 | 中鸿阀门股份有限公司 | Steel pipe welding floating ball valve for heating power |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |