CN204372220U - Thread bush collar nut guide-localization top-loading ball valve - Google Patents
Thread bush collar nut guide-localization top-loading ball valve Download PDFInfo
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- CN204372220U CN204372220U CN201520002762.5U CN201520002762U CN204372220U CN 204372220 U CN204372220 U CN 204372220U CN 201520002762 U CN201520002762 U CN 201520002762U CN 204372220 U CN204372220 U CN 204372220U
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- thread bush
- collar nut
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Abstract
Thread bush collar nut guide-localization top-loading ball valve, relates to top-loading ball valve field.The utility model solves current top-loading ball valve complex structure, and when dismounting, operation is also very complicated, the problem wasted time and energy.Thread bush collar nut guide-localization top-loading ball valve, it comprises valve body, spheroid and a pair stack valve seat between valve body and spheroid; Be stepped formation valve body boss, valve body First terrace, valve body second step face inside the opening of valve body; Valve body boss arranges internal thread through hole; Stack valve seat comprises thread bush, collar nut, valve seat, guide runner, Sealing, spring and screw; Clamp sealing between the valve seat bayonet socket that spheroid is stuck in a pair stack valve seat.The utility model structure is simple, easy to operate, makes valve seat precession and back-out in valve body namely complete sphere installation and dismounting, facilitate on-line maintenance by Wrench; Adopt Sealing and spring that the sealing of whole ball valve is guaranteed.
Description
Technical field
The utility model relates to top-loading ball valve field, particularly relates to thread bush collar nut guide-localization top-loading ball valve.
Background technique
At present, ball valve is particularly suitable for heavy caliber, High Temperature High Pressure and the hard demand sealed, and realizes on-line maintenance, and requires the pipeline of the anti-end load of ball valve, just needs to adopt top-loading ball valve.But, current top-loading ball valve when meeting above condition, the structure of its complexity, also very complicated when dismounting, waste time and energy.
Model utility content
For solving the problems of the technologies described above, the utility model provides thread bush collar nut guide-localization top-loading ball valve.
The utility model solves the technological scheme that its technical problem adopts: thread bush collar nut guide-localization top-loading ball valve, and it comprises valve body, spheroid and a pair stack valve seat between valve body and spheroid; Be stepped inside the opening of described valve body, form valve body boss, valve body First terrace, valve body second step face; The centre of described valve body boss is provided with internal thread through hole; The left end of described valve body First terrace is provided with guard rail groove; Described stack valve seat comprises thread bush, collar nut, valve seat, guide runner, Sealing, spring and screw; The inwall of described thread bush is provided with internal thread; The neutral position of the outer wall of described thread bush is surrounded with limited ring groove; Circumferentially there is multiple alveolus the left side of described thread bush; The outer wall of described valve seat is stepped, forms valve seat First terrace, valve seat second step face, valve seat the 3rd step surface and valve seat the 4th step surface; Described valve seat second step face is provided with the guide runner fixed groove and closure gasket groove that are fixed with guide runner from left to right; Described thread bush rotation set is on valve seat First terrace; Described spring housing is located on valve seat the 3rd step surface; Described spring action is in valve seat the 4th step surface and valve body second step face; The outer wall of described thread bush contacts with valve body boss; Described collar nut is arranged on the below of valve body boss and is fixed through internal thread through hole by screw; Described collar nut is fastened in limited ring groove; Described valve seat second step face contacts with valve body First terrace and guide runner is embedded in guard rail groove; Be provided with Sealing and valve body First terrace in described closure gasket groove to be formed and seal; The left side of described valve seat is also provided with valve seat bayonet socket; Described spheroid is stuck between the valve seat bayonet socket of a pair stack valve seat; Described valve seat bayonet socket is sealed spheroid clamping by spring.
Spacing between the thread bush of a pair stack valve seat is greater than the width of spheroid.
Described collar nut leaves surplus in limited ring groove.
Described alveolus and special key with the use of, for the precession of valve seat in valve body and back-out.
Described special key is made up of spanner handle and the spanner tooth distributed in circular arc being arranged on spanner handle end side; Described spanner tooth and alveolus with the use of.
Working principle: during assembling, first Assembly valve seat: first thread bush is screwed on valve seat, then guide runner, Sealing, spring are contained on valve seat, then collar nut is placed in limited ring groove, stack valve seat entirety is put in valve body, collar nut is aimed at the interior threaded hole on valve body boss, meanwhile, guide runner slides in guard rail groove, then, screw is screwed into interior threaded hole, and stationary annular nut; Thread bush due to the effect of collar nut only can move in a circle can not side-to-side movement, valve seat due to guide runner effect only can side-to-side movement can not circular movement; Now, rotate thread bush by special key, valve seat is moved toward valve inner, then spheroid is put into, again by special key counterrotating thread bush, make valve seat move to valve seat bayonet socket to spheroid and just block spheroid, make collar nut surrounding in limited ring groove all have surplus; Now, the active force of spring is all delivered to valve seat bayonet socket place, makes valve seat bayonet socket compress spheroid and seal.
The beneficial effects of the utility model: thread bush collar nut guide-localization top-loading ball valve of the present utility model, structure is simple, easy to operate, make valve seat precession and back-out in valve body can complete the installation and removal of spheroid by Wrench, conveniently implement on-line maintenance; Meanwhile, adopt Sealing and spring that the sealing of whole ball valve is guaranteed.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the thread bush collar nut guide-localization top-loading ball valve of embodiment;
Fig. 2 is the schematic diagram of the partial enlargement of valve body in embodiment;
Fig. 3 is the schematic diagram of stack valve seat in embodiment;
Fig. 4 is the schematic diagram of thread bush in embodiment;
Fig. 5 is that schematic diagram is looked on a left side for thread bush in embodiment;
Fig. 6 is the schematic diagram of valve seat in embodiment;
Fig. 7 is the schematic diagram of the installment state of the thread bush collar nut guide-localization top-loading ball valve of embodiment;
Fig. 8 is the schematic diagram of the collar nut of Fig. 1 dotted portion and the surplus state of limited ring groove;
Fig. 9 is the schematic diagram of special key in embodiment;
Wherein, 1-valve body, 2-spheroid, 3-stack valve seat, 4-special key, 11-valve body boss, 12-valve body First terrace, 13-valve body second step face, 14-internal thread through hole, 15-guard rail groove, 31-thread bush, 32-collar nut, 33-valve seat, 34-guide runner, 35-Sealing, 36-spring, 37-screw, 311-internal thread, 312-limited ring groove, 313-alveolus, 331-valve seat First terrace, 332-valve seat second step face, 333-valve seat the 3rd step surface, 334-valve seat the 4th step surface, 335-guide runner fixed groove, 336-closure gasket groove, 337-valve seat bayonet socket, 41-spanner handle, 42-spanner tooth.
Embodiment
In order to deepen, to understanding of the present utility model, to be described in further detail the utility model below in conjunction with drawings and Examples, this embodiment, only for explaining the utility model, not forming protection domain of the present utility model and limiting.
Embodiment
As shown in Figures 1 to 9, thread bush collar nut guide-localization top-loading ball valve, it comprises valve body 1, spheroid 2 and a pair stack valve seat 3 between valve body 1 and spheroid 2; Be stepped inside the opening of described valve body 1, form valve body boss 11, valve body First terrace 12, valve body second step face 13; The centre of described valve body boss 11 is provided with internal thread through hole 14; The left end of described valve body First terrace 12 is provided with guard rail groove 15; Described stack valve seat 3 comprises thread bush 31, collar nut 32, valve seat 33, guide runner 34, Sealing 35, spring 36 and screw 37; The inwall of described thread bush 31 is provided with internal thread 311; The neutral position of the outer wall of described thread bush 31 is surrounded with limited ring groove 312; Circumferentially there is multiple alveolus 313 left side of described thread bush 31; The outer wall of described valve seat 33 is stepped, forms valve seat First terrace 331, valve seat second step face 332, valve seat the 3rd step surface 333 and valve seat the 4th step surface 334; Described valve seat second step face 332 is provided with the guide runner fixed groove 335 and closure gasket groove 336 that are fixed with guide runner 34 from left to right; Described thread bush 31 rotation set is on valve seat First terrace 331; Described spring 36 is set on valve seat the 3rd step surface 333; Described spring 36 acts on valve seat the 4th step surface 334 and valve body second step face 13; The outer wall of described thread bush 31 contacts with valve body boss 11; Described collar nut 32 is arranged on the below of valve body boss 11 and is fixed through internal thread through hole 14 by screw 37; Described collar nut 32 is fastened in limited ring groove 312; Described valve seat second step face 332 contacts with valve body First terrace 12 and guide runner 34 is embedded in guard rail groove 15; Be provided with Sealing and valve body First terrace 12 in described closure gasket groove 336 to be formed and seal; The left side of described valve seat 33 is also provided with valve seat bayonet socket 337; Described spheroid 2 is stuck between the valve seat bayonet socket 337 of a pair stack valve seat 3; Described valve seat bayonet socket 337 clamps sealing by spring 36 pairs of spheroids 2; Spacing between the thread bush 31 of a pair stack valve seat 3 is greater than the width of spheroid 2; Described collar nut 32 leaves surplus in limited ring groove 312; Described alveolus 313 and special key 4 with the use of, for the precession of valve seat 33 in valve body 1 and back-out; Described special key 4 is made up of spanner handle 41 and the spanner tooth 42 distributed in circular arc being arranged on spanner handle 41 end profile; Described spanner tooth 42 and alveolus 313 with the use of.
The working principle of the thread bush collar nut guide-localization top-loading ball valve of the present embodiment: during assembling, first Assembly valve seat 3: first thread bush 31 is screwed on valve seat 33, then guide runner 34, Sealing 35, spring 36 are contained on valve seat 33, again collar nut 32 is placed in limited ring groove 312, stack valve seat entirety is put in valve body 1, collar nut 32 is aimed at the interior threaded hole 14 on valve body boss 11, simultaneously, guide runner 34 slides in guard rail groove 15, then, screw 37 is screwed into interior threaded hole 14, and stationary annular nut 32; Thread bush 31 due to the effect of collar nut 32 only can move in a circle can not side-to-side movement, valve seat 33 due to guide runner 34 effect only can side-to-side movement can not circular movement; Now, thread bush 31 is rotated by special key 4, make valve seat 33 toward valve body 1 internal motion, then spheroid 2 is put into, again by special key 4 counterrotating thread bush 31, make valve seat 33 move to valve seat bayonet socket 337 to spheroid 2 and just block spheroid 2, make collar nut 32 surrounding in limited ring groove 312 all have surplus; Now, the active force of spring 36 is all delivered to valve seat bayonet socket 337 place, makes valve seat bayonet socket 337 compress spheroid 2 and seal.
Above-described embodiment should not limit the utility model by any way, and the technological scheme that the mode that all employings are equal to replacement or equivalency transform obtains all drops in protection domain of the present utility model.
Claims (5)
1. thread bush collar nut guide-localization top-loading ball valve, is characterized in that: it comprises valve body, spheroid and a pair stack valve seat between valve body and spheroid; Be stepped inside the opening of described valve body, form valve body boss, valve body First terrace, valve body second step face; The centre of described valve body boss is provided with internal thread through hole; The left end of described valve body First terrace is provided with guard rail groove; Described stack valve seat comprises thread bush, collar nut, valve seat, guide runner, Sealing, spring and screw; The inwall of described thread bush is provided with internal thread; The neutral position of the outer wall of described thread bush is surrounded with limited ring groove; Circumferentially there is multiple alveolus the left side of described thread bush; The outer wall of described valve seat is stepped, forms valve seat First terrace, valve seat second step face, valve seat the 3rd step surface and valve seat the 4th step surface; Described valve seat second step face is provided with the guide runner fixed groove and closure gasket groove that are fixed with guide runner from left to right; Described thread bush rotation set is on valve seat First terrace; Described spring housing is located on valve seat the 3rd step surface; Described spring action is in valve seat the 4th step surface and valve body second step face; The outer wall of described thread bush contacts with valve body boss; Described collar nut is arranged on the below of valve body boss and is fixed through internal thread through hole by screw; Described collar nut is fastened in limited ring groove; Described valve seat second step face contacts with valve body First terrace and guide runner is embedded in guard rail groove; Be provided with Sealing and valve body First terrace in described closure gasket groove to be formed and seal; The left side of described valve seat is also provided with valve seat bayonet socket; Described spheroid is stuck between the valve seat bayonet socket of a pair stack valve seat; Described valve seat bayonet socket is sealed spheroid clamping by spring.
2. thread bush collar nut guide-localization top-loading ball valve according to claim 1, is characterized in that: the spacing between the thread bush of a pair stack valve seat is greater than the width of spheroid.
3. thread bush collar nut guide-localization top-loading ball valve according to claim 1, is characterized in that: described collar nut leaves surplus in limited ring groove.
4. thread bush collar nut guide-localization top-loading ball valve according to claim 1, is characterized in that: described alveolus and special key with the use of, for the precession of valve seat in valve body and back-out.
5. the thread bush collar nut guide-localization top-loading ball valve according to claim 1 or 4, is characterized in that: described special key is made up of spanner handle and the spanner tooth distributed in circular arc being arranged on spanner handle end side; Described spanner tooth and alveolus with the use of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002762.5U CN204372220U (en) | 2015-01-04 | 2015-01-04 | Thread bush collar nut guide-localization top-loading ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002762.5U CN204372220U (en) | 2015-01-04 | 2015-01-04 | Thread bush collar nut guide-localization top-loading ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN204372220U true CN204372220U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520002762.5U Active CN204372220U (en) | 2015-01-04 | 2015-01-04 | Thread bush collar nut guide-localization top-loading ball valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307364A (en) * | 2019-05-31 | 2019-10-08 | 北京航天石化技术装备工程有限公司 | A kind of axial flow type check valve and its control method |
| CN110440022A (en) * | 2019-08-23 | 2019-11-12 | 江苏神通阀门股份有限公司 | A kind of dual-seal high temperature and pressure elastic ball valve valve seat construction |
| CN110735941A (en) * | 2018-07-18 | 2020-01-31 | 浙江三花制冷集团有限公司 | control valve and manufacturing method thereof |
-
2015
- 2015-01-04 CN CN201520002762.5U patent/CN204372220U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735941A (en) * | 2018-07-18 | 2020-01-31 | 浙江三花制冷集团有限公司 | control valve and manufacturing method thereof |
| CN110735941B (en) * | 2018-07-18 | 2022-04-12 | 浙江三花制冷集团有限公司 | Control valve and manufacturing method thereof |
| CN110307364A (en) * | 2019-05-31 | 2019-10-08 | 北京航天石化技术装备工程有限公司 | A kind of axial flow type check valve and its control method |
| CN110440022A (en) * | 2019-08-23 | 2019-11-12 | 江苏神通阀门股份有限公司 | A kind of dual-seal high temperature and pressure elastic ball valve valve seat construction |
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