CN204420175U - Thread bush elastomeric composition valve seat top-loading ball valve - Google Patents
Thread bush elastomeric composition valve seat top-loading ball valve Download PDFInfo
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- CN204420175U CN204420175U CN201520002694.2U CN201520002694U CN204420175U CN 204420175 U CN204420175 U CN 204420175U CN 201520002694 U CN201520002694 U CN 201520002694U CN 204420175 U CN204420175 U CN 204420175U
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- thread bush
- valve
- elastomeric composition
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Abstract
Thread bush elastomeric composition valve seat 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 elastomeric composition valve seat top-loading ball valve, it comprises valve body, spheroid and a pair thread bush elastomeric composition valve seat between valve body and spheroid; Be stepped inside the opening of valve body, form valve body First terrace and valve body second step face; The side of thread bush elastomeric composition valve seat is extend in valve body and contacts with valve body second step face and sealed by Sealing; Thread bush elastomeric composition valve seat side and valve body First terrace are spirally connected; Spheroid clamps and seals between thread bush elastomeric composition 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 elastomeric composition valve seat 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 elastomeric composition valve seat top-loading ball valve.
The utility model solves the technological scheme that its technical problem adopts: thread bush elastomeric composition valve seat top-loading ball valve, and it comprises valve body, spheroid and a pair thread bush elastomeric composition valve seat between valve body and spheroid; Be stepped inside the opening of described valve body, form valve body First terrace and valve body second step face; Described valve body First terrace is provided with screw thread; Described thread bush elastomeric composition valve seat comprises thread bush, valve seat, spring, Sealing and bolt; The inwall of described thread bush is stepped and form thread bush boss in one end of thread bush; The outer surface of described thread bush is disposed with outside thread, the multiple alveolus circumferentially distributed and interior threaded hole from right to left; The outer wall of described valve seat is stepped and form valve seat boss in one end of valve seat; The outer surface of described valve seat boss is surrounded with restraining groove; Described bolt passes interior threaded hole and extend in restraining groove; The outer surface of the side away from valve seat boss of described valve seat is surrounded with seal groove; Described thread bush is set on valve seat; The side of the side of the thread bush boss of described thread bush and the valve seat boss of valve seat surrounds a confined space and arrange spring in confined space; Described spring action is at thread bush boss and valve seat boss; The opposite side of described thread bush flushes with the side of valve seat boss; The opposite side of described valve seat is protruded from the side of thread bush boss and extend in valve body and contact with valve body second step face and sealed by the Sealing be arranged in seal groove; Described thread bush is spirally connected by screw thread and valve body First terrace; One end of the valve seat boss 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 thread bush elastomeric composition valve seat; Described valve seat bayonet socket is sealed spheroid clamping by spring.
Described spring shackle around and be fixed on valve seat.
One end of the close bolt head of described bolt is provided with screw thread, and the other end does not arrange screw thread.
Described bolt to extend in restraining groove and leaves surplus.
Described alveolus and special key with the use of, for the precession of thread bush elastomeric composition valve seat in valve body and back-out.
Described special key is by spanner handle and to be arranged on spanner handle end be that the circular arc spanner tooth radial to the center of circle is formed; Described spanner tooth and alveolus with the use of.
Working principle: during assembling, first assemble thread bush elastomeric composition valve seat: first install on valve seat by spring, then, thread bush is enclosed within valve seat, allow camber of spring, the interior threaded hole of thread bush is aimed at the restraining groove of valve seat, then bolt is screwed into, bolt extend in restraining groove, namely completes the assembling of thread bush elastomeric composition valve seat; Thread bush elastomeric composition valve seat is encased in valve body, valve seat is put in valve body; The thread bush of thread bush elastomeric composition valve seat is screwed in the valve body First terrace of valve body by special key; Then, by sphere installation between two thread bush elastomeric composition valve seats, afterwards, by special key, thread bush elastomeric composition valve seat is screwed out, make spheroid be stuck in the valve seat bayonet socket of thread bush elastomeric composition valve seat, simultaneously, by the surplus of bolt and restraining groove, make spring be in compressive state, and by force transmission to valve seat bayonet socket place, make spheroid and thread bush elastomeric composition valve base sealing.
The beneficial effects of the utility model: thread bush elastomeric composition valve seat 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 elastomeric composition valve seat top-loading ball valve of embodiment;
Fig. 2 is the schematic diagram of thread bush elastomeric composition valve seat in embodiment;
Fig. 3 is the schematic diagram of thread bush in embodiment;
Fig. 4 is the schematic diagram of valve seat in embodiment;
Fig. 5 is the schematic diagram of the installment state of the thread bush elastomeric composition valve seat top-loading ball valve of embodiment;
Fig. 6 is the bolt of dotted portion and the enlarged diagram of restraining groove in Fig. 1;
Fig. 7 is the schematic diagram of the special key of valve seat in embodiment;
Wherein, 1-valve body, 2-spheroid, 3-thread bush elastomeric composition valve seat, 4-special key, 11-valve body First terrace, 12-valve body second step face, 31-thread bush, 32-valve seat, 33-spring, 34-Sealing, 35-bolt, 41-spanner handle, 42-spanner tooth, 311-thread bush boss, 312-outside thread, 313-alveolus, 314-interior threaded hole, 321-valve seat boss, 322-restraining groove, 323-seal groove, 324-valve seat bayonet socket.
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 7, thread bush elastomeric composition valve seat top-loading ball valve, it comprises valve body 1, spheroid 2 and a pair thread bush elastomeric composition valve seat 3 between valve body 1 and spheroid 2; Be stepped inside the opening of described valve body 1, form valve body First terrace 11 and valve body second step face 12; Described valve body First terrace 11 is provided with screw thread; Described thread bush elastomeric composition valve seat 3 comprises thread bush 31, valve seat 32, spring 33, Sealing 34 and bolt 35; The inwall of described thread bush 31 is stepped and form thread bush boss 311 in one end of thread bush 31; The outer surface of described thread bush 31 is disposed with outside thread 312, the multiple alveolus 313 circumferentially distributed and interior threaded hole 314 from right to left; The outer wall of described valve seat 32 is stepped and form valve seat boss 321 in one end of valve seat 32; The outer surface of described valve seat boss 321 is surrounded with restraining groove 322; Described bolt 35 passes interior threaded hole 314 and extend in restraining groove 322; The outer surface of the side away from valve seat boss 321 of described valve seat 32 is surrounded with seal groove 323; Described thread bush 31 is set on valve seat 32; The side of the side of the thread bush boss 311 of described thread bush 31 and the valve seat boss 321 of valve seat 32 surrounds a confined space and in confined space, arranges spring 33; Described spring 33 acts on thread bush boss 311 and valve seat boss 321; The opposite side of described thread bush 31 flushes with the side of valve seat boss 321; The opposite side of described valve seat 32 is protruded from the side of thread bush boss 311 and extend in valve body 1 and contact with valve body second step face 12 and sealed by the Sealing 34 be arranged in seal groove 323; Described thread bush 31 is spirally connected by screw thread 312 and valve body First terrace 11; One end of the valve seat boss 321 of described valve seat 32 is also provided with valve seat bayonet socket 324; Described spheroid 2 is stuck between the valve seat bayonet socket 324 of a pair thread bush elastomeric composition valve seat 3; Described valve seat bayonet socket 324 clamps sealing by spring 33 pairs of spheroids 2; Described spring 33 around and be fixed on valve seat 32; One end of the close bolt head of described bolt 35 is provided with screw thread, and the other end does not arrange screw thread; Described bolt 35 extend in restraining groove 322; Described alveolus 313 and special key 4 with the use of, for the precession of thread bush elastomeric composition valve seat 3 in valve body 1 and back-out; Described special key 4 is by spanner handle 41 and to be arranged on spanner handle 41 end be that the circular arc spanner tooth 42 radial to the center of circle is formed; Described spanner tooth 42 and alveolus 313 with the use of.
The working principle of the thread bush elastomeric composition valve seat top-loading ball valve of the present embodiment: first assemble thread bush elastomeric composition valve seat 3: first install on valve seat 32 by spring 33, then, thread bush 31 is enclosed within valve seat 32, spring 33 is allowed to be out of shape, the interior threaded hole 314 of thread bush 31 is aimed at the restraining groove 322 of valve seat 32, then be screwed into by bolt 35, bolt 35 extend in restraining groove 322, namely completes the assembling of thread bush elastomeric composition valve seat 3; Thread bush elastomeric composition valve seat 3 is encased in valve body 1, valve seat 32 is put in valve body 1; The thread bush 31 of thread bush elastomeric composition valve seat 3 is screwed in the valve body First terrace 11 of valve body 1 by special key 4; Then, spheroid 2 is arranged between two thread bush elastomeric composition valve seats 3, afterwards, by special key 4, thread bush elastomeric composition valve seat 3 is screwed out, make spheroid 2 be stuck in the valve seat bayonet socket 324 of thread bush elastomeric composition valve seat 3, simultaneously, by the surplus of bolt 35 with restraining groove 322, make spring 33 be in compressive state, and by force transmission to valve seat bayonet socket 324 place, spheroid 2 and thread bush elastomeric composition valve seat 3 are sealed.
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 (6)
1. thread bush elastomeric composition valve seat top-loading ball valve, is characterized in that: it comprises valve body, spheroid and a pair thread bush elastomeric composition valve seat between valve body and spheroid; Be stepped inside the opening of described valve body, form valve body First terrace and valve body second step face; Described valve body First terrace is provided with screw thread; Described thread bush elastomeric composition valve seat comprises thread bush, valve seat, spring, Sealing and bolt; The inwall of described thread bush is stepped and form thread bush boss in one end of thread bush; The outer surface of described thread bush is disposed with screw thread, the multiple alveolus circumferentially distributed and interior threaded hole from right to left; The outer wall of described valve seat is stepped and form valve seat boss in one end of valve seat; The outer surface of described valve seat boss is surrounded with restraining groove; Described bolt passes interior threaded hole and extend in restraining groove; The outer surface of the side away from valve seat boss of described valve seat is surrounded with seal groove; Described thread bush is set on valve seat; The side of the side of the thread bush boss of described thread bush and the valve seat boss of valve seat surrounds a confined space and arrange spring in confined space; Described spring action is at thread bush boss and valve seat boss; The opposite side of described thread bush flushes with the side of valve seat boss; The opposite side of described valve seat is protruded from the side of thread bush boss and extend in valve body and contact with valve body second step face and sealed by the Sealing be arranged in seal groove; Described thread bush is spirally connected by screw thread and valve body First terrace; One end of the valve seat boss 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 thread bush elastomeric composition valve seat; Described valve seat bayonet socket is sealed spheroid clamping by spring.
2. thread bush elastomeric composition valve seat top-loading ball valve according to claim 1, is characterized in that: described spring shackle around and be fixed on valve seat.
3. thread bush elastomeric composition valve seat top-loading ball valve according to claim 1, is characterized in that: one end of the close bolt head of described bolt is provided with screw thread, and the other end does not arrange screw thread.
4. the thread bush elastomeric composition valve seat top-loading ball valve according to claim 1 or 3, is characterized in that: described bolt to extend in restraining groove and leaves surplus.
5. thread bush elastomeric composition valve seat 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 thread bush elastomeric composition valve seat in valve body and back-out.
6. thread bush elastomeric composition valve seat top-loading ball valve according to claim 1 or 5, is characterized in that: described special key is by spanner handle and to be arranged on spanner handle end be that the circular arc spanner tooth radial to the center of circle is formed; Described spanner tooth and alveolus with the use of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002694.2U CN204420175U (en) | 2015-01-04 | 2015-01-04 | Thread bush elastomeric composition valve seat top-loading ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002694.2U CN204420175U (en) | 2015-01-04 | 2015-01-04 | Thread bush elastomeric composition valve seat top-loading ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420175U true CN204420175U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520002694.2U Active CN204420175U (en) | 2015-01-04 | 2015-01-04 | Thread bush elastomeric composition valve seat top-loading ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN204420175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257885A (en) * | 2015-11-02 | 2016-01-20 | 苏州市淞舜五金有限公司 | Adjusting valve |
-
2015
- 2015-01-04 CN CN201520002694.2U patent/CN204420175U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257885A (en) * | 2015-11-02 | 2016-01-20 | 苏州市淞舜五金有限公司 | Adjusting valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |