CN208252814U - A kind of gear drive opening and closing ball valve mechanism - Google Patents
A kind of gear drive opening and closing ball valve mechanism Download PDFInfo
- Publication number
- CN208252814U CN208252814U CN201820858662.6U CN201820858662U CN208252814U CN 208252814 U CN208252814 U CN 208252814U CN 201820858662 U CN201820858662 U CN 201820858662U CN 208252814 U CN208252814 U CN 208252814U
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- China
- Prior art keywords
- valve
- ball
- valve rod
- seat
- sealing ring
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- Expired - Fee Related
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Abstract
The utility model provides a kind of gear drive opening and closing ball valve mechanism, comprising: transmission mechanism, worm screw, worm gear；The side of valve body is arranged in the valve seat, and valve seat is connected with valve body by flange；The inside of valve seat and valve body is arranged in the valve ball；The two sides of valve ball are arranged in the valve ball seat, and valve ball seat is connected with valve seat and valve body by snap fit；The junction of valve ball seat and valve seat and valve body is arranged in the valve ball sealing ring；The valve rod is set on the top of valve body, and valve stem sleeve is an integral structure with valve body；The top of valve stem sleeve is arranged in the gland, and gland is connected with valve stem sleeve by bolt；The utility model passes through the improvement to gear drive opening and closing ball valve mechanism, with reasonable in design, good airproof performance, the phenomenon of leakage caused by mitigating because of sealing element aging, prolong the service life, practical advantage, thus the problem of effective solution the utility model proposes in background technique one and deficiency.
Description
Technical field
The utility model relates to ball valve technical fields, more specifically, more particularly to a kind of good gear of sealing effect pass
Dynamic opening and closing ball valve mechanism.
Background technique
Ball valve, the valve that opening and closing element (sphere) is driven by valve rod, and rotated around ball valve axis.Also it can be used for fluid
Adjusting and control, wherein firmly sealing its V-type core of V-type ball valve and the metal seat valve of pile-up welding hard alloy between have it is very strong
Shearing force, especially suitable for the medium of fibre-bearing, small solid pellet etc., ball valve is mainly used to cut off in pipeline, distribute
With the flow direction for changing medium, it only needs to be closed tightly with the rotating torque of the operation and very little that are rotated by 90 °.Ball
Valve optimum switchs, stop valve uses, V-type ball valve.
But after existing ball valve valve uses a period of time, with the abrasion and aging of sealing element at valve rod rotation
The leakproofness that valve can be seriously affected, the phenomenon that will lead to leakage at valve rod generation.
In view of this, being studied improvement for existing problem, a kind of gear drive that sealing effect is good opening and closing is provided
Ball valve mechanism, it is intended to by the technology, achieve the purpose that solve the problems, such as and improve practical value.
Utility model content
The purpose of this utility model is to provide a kind of gear drives to open and close ball valve mechanism, to solve in above-mentioned background technique
After the existing ball valve valve proposed uses a period of time, as the abrasion and aging of sealing element at valve rod rotation can be serious
The leakproofness of valve is influenced, the problem of the phenomenon that will lead to leakage at valve rod occurs and deficiency.
To achieve the above object, the utility model provides a kind of gear drive opening and closing ball valve mechanism, by skill in detail below
Art means are reached:
A kind of gear drive opening and closing ball valve mechanism, comprising: transmission mechanism, worm screw, worm gear, handwheel, handle, valve rod, valve rod
Set, seal receptacle, the first sealing ring of valve rod, the second sealing ring of valve rod, key, valve ball, valve ball seat, valve ball sealing ring, limit baffle, valve
Body, valve seat, shell, packing layer, gland；The side of valve body is arranged in the valve seat, and valve seat is connected with valve body by flange；
The inside of valve seat and valve body is arranged in the valve ball；The two sides of valve ball, and valve ball seat and valve seat and valve is arranged in the valve ball seat
Body is connected by snap fit；The junction of valve ball seat and valve seat and valve body is arranged in the valve ball sealing ring；The valve rod
It is set on the top of valve body, and valve stem sleeve is an integral structure with valve body；The top of valve stem sleeve is arranged in the gland, and presses
Lid is connected with valve stem sleeve by bolt；The transmission mechanism is made of worm screw, worm gear and shell；The worm gear is mounted on shell
Inside；The worm screw is mounted on the inside of shell, and the junction of worm screw and shell is provided with bearing；The worm and wheel
It is connected by engagement system；One end of the worm screw passes through nut phase twist-on with handwheel；The outer of handwheel is arranged in the handle
On wall, and handle is connected with handwheel by screw thread twist-on；The shell is connected with gland by bolt；The valve rod setting
In the lower section of transmission mechanism, and the top of valve rod is connected with worm gear by snap fit；Valve rod is arranged in the seal receptacle
Lower part, and seal receptacle is an integral structure with valve rod；The seal receptacle fastens with valve stem sleeve, and the second sealing ring of valve rod passes through
Embedded mode is mounted on the junction of seal receptacle and valve stem sleeve；The two sides of seal receptacle are arranged in first sealing ring of valve rod, and
The first sealing ring of valve rod is connected with valve rod by fitting mode；Described filler layer is arranged in the first sealing ring of valve rod and seal receptacle
Inside；The bottom end of valve rod is arranged in the key, and key is an integral structure with valve rod；The bottom end of the key and valve ball pass through card
Conjunction mode is connected；The top of gland is arranged in the limit baffle, and limits baffle and be connected with valve rod by fitting mode.
As advanced optimizing for the technical program, valve rod described in a kind of gear drive opening and closing ball valve mechanism of the utility model
First sealing ring is spliced and combined by two ring type seals, and the stitching portion of two ring type seals is provided with fillet mistake
It crosses.
As advanced optimizing for the technical program, valve rod described in a kind of gear drive opening and closing ball valve mechanism of the utility model
First sealing ring is provided at two altogether, and the first sealing ring of valve rod is distributed in the two sides of seal receptacle in symmetry shape.
As advanced optimizing for the technical program, valve rod described in a kind of gear drive opening and closing ball valve mechanism of the utility model
Annular groove corresponding with the first sealing ring of valve rod is provided on the inner wall of set.
As advanced optimizing for the technical program, sealed described in a kind of gear drive opening and closing ball valve mechanism of the utility model
The two sides up and down of seat are provided with the annular groove of cutting plane semicircular in shape, and to be mounted on annular recessed for the insertion of the second sealing ring of valve rod
The inside of slot.
As advanced optimizing for the technical program, valve rod described in a kind of gear drive opening and closing ball valve mechanism of the utility model
It is provided with cutting plane on the inner wall of set and is in the annular groove of rectangle, and is provided with cutting plane semicircular in shape on the inner wall of the groove
Annular groove.
As advanced optimizing for the technical program, valve ball described in a kind of gear drive opening and closing ball valve mechanism of the utility model
Top be provided with rectangle keyway corresponding with key.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the first sealing ring of the utility model valve rod is spliced and combined by two ring type seals, and two ring packings
The stitching portion of circle is provided with the setting of round-corner transition, increases the surface area of the first sealing ring of valve rod, improves leakproofness.
2, setting for annular groove corresponding with the first sealing ring of valve rod is provided on the inner wall of the utility model valve stem sleeve
It sets, the first sealing ring of valve rod is enable to fit closely with valve stem sleeve, guarantee leakproofness, prevent packing leaking in packing layer.
3, the two sides up and down of the utility model seal receptacle are provided with the annular groove of cutting plane semicircular in shape, and valve rod
The insertion of two sealing rings is mounted on the setting of the inside of annular groove, increases the distribution area of the second sealing ring of valve rod, Neng Gouji
The raising seal receptacle of big degree engages the leakproofness at place with valve stem sleeve, to improve the leakproofness of ball valve entirety.
4, the utility model has reasonable in design, leakproofness by the improvement to gear drive opening and closing ball valve mechanism
Good, the phenomenon of leakage caused by mitigating because of sealing element aging prolongs the service life, practical advantage, thus effective solution
The problem of the utility model proposes in background technique one and deficiency.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the valve stem sleeve the schematic diagram of the section structure of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the schematic diagram of internal structure of the utility model；
Fig. 4 is the transmission mechanism inside top structural schematic diagram of the utility model；
Fig. 5 is the gland overlooking structure diagram of the utility model.
In figure: transmission mechanism 1, worm screw 2, worm gear 3, handwheel 4, handle 5, valve rod 6, valve stem sleeve 7, seal receptacle 8, valve rod first
Sealing ring 9, the second sealing ring of valve rod 10, key 11, valve ball 12, valve ball seat 13, valve ball sealing ring 14, limit baffle 15, valve body 16,
Valve seat 17, shell 18, packing layer 19, gland 20.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a；The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1 to Fig. 5, the utility model provides a kind of particular technique embodiment party of gear drive opening and closing ball valve mechanism
Case:
A kind of gear drive opening and closing ball valve mechanism, comprising: transmission mechanism 1, worm screw 2, worm gear 3, handwheel 4, handle 5, valve rod
6, valve stem sleeve 7, seal receptacle 8, the first sealing ring of valve rod 9, the second sealing ring of valve rod 10, key 11, valve ball 12, valve ball seat 13, valve ball
Sealing ring 14, limit baffle 15, valve body 16, valve seat 17, shell 18, packing layer 19, gland 20；Valve body 16 is arranged in valve seat 17
Side, and valve seat 17 is connected with valve body 16 by flange；The inside of valve seat 17 and valve body 16 is arranged in valve ball 12；Valve ball seat 13
The two sides of valve ball 12 are set, and valve ball seat 13 is connected with valve seat 17 and valve body 16 by snap fit；Valve ball sealing ring 14
The junction of valve ball seat 13 and valve seat 17 and valve body 16 is set；Valve stem sleeve 7 is arranged in the top of valve body 16, and valve stem sleeve 7 with
Valve body 16 is an integral structure；The top of valve stem sleeve 7 is arranged in gland 20, and gland 20 is connected with valve stem sleeve 7 by bolt；
Transmission mechanism 1 is made of worm screw 2, worm gear 3 and shell 18；Worm gear 3 is mounted on the inside of shell 18；Worm screw 2 is mounted on shell 18
Inside, and the junction of worm screw 2 and shell 18 is provided with bearing；Worm screw 2 is connected with worm gear 3 by engagement system；Worm screw 2
One end and handwheel 4 pass through nut phase twist-on；Handle 5 is arranged on the outer wall of handwheel 4, and handle 5 and handwheel 4 are twisted by screw thread
It connects and is connected；Shell 18 is connected with gland 20 by bolt；The lower section of transmission mechanism 1, and the top of valve rod 6 is arranged in valve rod 6
End is connected with worm gear 3 by snap fit；The lower part of valve rod 6 is arranged in seal receptacle 8, and seal receptacle 8 and valve rod 6 are integral type
Structure；Seal receptacle 8 fastens with valve stem sleeve 7, and the second sealing ring of valve rod 10 is mounted on seal receptacle 8 and valve rod by embedded mode
The junction of set 7；The two sides of seal receptacle 8 are arranged in the first sealing ring of valve rod 9, and the first sealing ring of valve rod 9 and valve rod 6 pass through set
Conjunction mode is connected；The inside of the first sealing ring of valve rod 9 Yu seal receptacle 8 is arranged in packing layer 19；The bottom of valve rod 6 is arranged in key 11
End, and key 11 is an integral structure with valve rod 6；The bottom end of key 11 is connected with valve ball 12 by snap fit；Limit baffle 15
The top of gland 20 is set, and limits baffle 15 and is connected with valve rod 6 by fitting mode.
Specifically, the first sealing ring of valve rod 9 is spliced and combined by two ring type seals, and two ring type seals
Stitching portion is provided with round-corner transition, increases the surface area of the first sealing ring of valve rod 9, improves leakproofness.
Specifically, the first sealing ring of valve rod 9 is provided at two altogether, and the first sealing ring of valve rod 9 is in the two sides of seal receptacle 8
Symmetry shape distribution.
Specifically, being provided with annular groove corresponding with valve rod the first sealing ring 9 on the inner wall of valve stem sleeve 7, make valve rod
First sealing ring 9 can be fitted closely with valve stem sleeve 7, guaranteed leakproofness, prevented packing leaking in packing layer 19.
Specifically, the two sides up and down of seal receptacle 8 are provided with the annular groove of cutting plane semicircular in shape, and valve rod second is close
Seal 10 is embedded in the inside for being mounted on annular groove, increases the distribution area of the second sealing ring of valve rod 10, being capable of high degree
Raising seal receptacle 8 leakproofness at place is engaged with valve stem sleeve 7, to improve the leakproofness of ball valve entirety.
Specifically, being provided with cutting plane on the inner wall of valve stem sleeve 7 is in the annular groove of rectangle, and it is arranged on the inner wall of groove
There is the annular groove of cutting plane semicircular in shape.
Specifically, the top of valve ball 12 is provided with rectangle keyway corresponding with key 11.
Specific implementation step:
Ball valve is installed and fixed by the flange of 17 one end of valve body 16 and valve seat, handwheel 4, handwheel 4 are rotated by handle 5
Worm screw 3 is driven to rotate, so that worm gear 3 be driven to rotate, worm gear 3 fastens with valve rod 6, and drives the valve ball of bottom by valve rod 6
12 rotations, make the through-hole face pipeline on valve ball 12, when turning to 90 degree, limit the screw phase of baffle 15 and 20 top of gland
Place is met, prevents valve rod 6 from continuing to rotate, completes the unlatching of ball valve, when needing to close ball valve, handwheel 4 is rotated backward, completes ball valve
Closing.
In summary: a kind of gear drive opening and closing ball valve mechanism, by the first sealing ring of valve rod by two ring packings
Circle splices and combines, and the stitching portion of two ring type seals is provided with the setting of round-corner transition, and it is close to increase valve rod first
The surface area of seal improves leakproofness；By being provided with annular corresponding with the first sealing ring of valve rod on the inner wall of valve stem sleeve
The setting of groove enables the first sealing ring of valve rod to fit closely with valve stem sleeve, guarantees leakproofness, prevents filler in packing layer from letting out
Leakage；The annular groove of cutting plane semicircular in shape is provided with by the two sides up and down of seal receptacle, and the second sealing ring of valve rod is embedded in
It is mounted on the setting of the inside of annular groove, increases the distribution area of the second sealing ring of valve rod, is capable of the raising of high degree
Seal receptacle engages the leakproofness at place with valve stem sleeve, to improve the leakproofness of ball valve entirety；By opening and closing ball valve to gear drive
The improvement of mechanism has reasonable in design, good airproof performance, and the phenomenon of leakage caused by mitigating because of sealing element aging extends and uses
Service life, practical advantage, thus the problem of effective solution the utility model proposes in background technique one and not
Foot.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of gear drive opens and closes ball valve mechanism, comprising: transmission mechanism (1), worm screw (2), worm gear (3), handwheel (4), handle
(5), valve rod (6), valve stem sleeve (7), seal receptacle (8), the first sealing ring of valve rod (9), the second sealing ring of valve rod (10), key (11),
Valve ball (12), valve ball sealing ring (14), limit baffle (15), valve body (16), valve seat (17), shell (18), is filled out at valve ball seat (13)
The bed of material (19), gland (20)；It is characterized by: the valve seat (17) is arranged in the side of valve body (16), and valve seat (17) and valve
Body (16) is connected by flange；The valve ball (12) is arranged in the inside of valve seat (17) and valve body (16)；The valve ball seat
(13) it is arranged in the two sides of valve ball (12), and valve ball seat (13) is connected with valve seat (17) and valve body (16) by snap fit；
Valve ball sealing ring (14) setting is in valve ball seat (13) and valve seat (17) and the junction of valve body (16)；The valve stem sleeve (7)
Top in valve body (16) is set, and valve stem sleeve (7) is an integral structure with valve body (16)；The gland (20) is arranged in valve rod
The top of (7) is covered, and gland (20) is connected with valve stem sleeve (7) by bolt；The transmission mechanism (1) is by worm screw (2), worm gear
(3) and shell (18) forms；The worm gear (3) is mounted on the inside of shell (18)；The worm screw (2) is mounted on shell (18)
Inside, and the junction of worm screw (2) and shell (18) is provided with bearing；The worm screw (2) passes through engagement system phase with worm gear (3)
Connection；One end of the worm screw (2) passes through nut phase twist-on with handwheel (4)；Outer wall of handle (5) setting in handwheel (4)
On, and handle (5) is connected with handwheel (4) by screw thread twist-on；The shell (18) is connected with gland (20) by bolt；
The valve rod (6) is arranged in the lower section of transmission mechanism (1), and the top of valve rod (6) is connected with worm gear (3) by snap fit
It connects；The seal receptacle (8) is arranged in the lower part of valve rod (6), and seal receptacle (8) is an integral structure with valve rod (6)；The sealing
Seat (8) fastens with valve stem sleeve (7), and the second sealing ring of valve rod (10) is mounted on seal receptacle (8) and valve rod by embedded mode
Cover the junction of (7)；First sealing ring of valve rod (9) is arranged in the two sides of seal receptacle (8), and the first sealing ring of valve rod (9)
It is connected with valve rod (6) by fitting mode；Described filler layer (19) is arranged in the first sealing ring of valve rod (9) and seal receptacle (8)
Inside；The key (11) is arranged in the bottom end of valve rod (6), and key (11) is an integral structure with valve rod (6)；The key (11)
Bottom end be connected with valve ball (12) by snap fit；Limit baffle (15) setting is limited in the top of gland (20)
Position baffle (15) is connected with valve rod (6) by fitting mode.
2. a kind of gear drive according to claim 1 opens and closes ball valve mechanism, it is characterised in that: the valve rod first seals
Circle (9) is spliced and combined by two ring type seals, and the stitching portion of two ring type seals is provided with round-corner transition.
3. a kind of gear drive according to claim 1 opens and closes ball valve mechanism, it is characterised in that: the valve rod first seals
Circle (9) is provided at two altogether, and the first sealing ring of valve rod (9) is distributed in the two sides of seal receptacle (8) in symmetry shape.
4. a kind of gear drive according to claim 1 opens and closes ball valve mechanism, it is characterised in that: the valve stem sleeve (7)
Annular groove corresponding with valve rod the first sealing ring (9) is provided on inner wall.
5. a kind of gear drive according to claim 1 opens and closes ball valve mechanism, it is characterised in that: the seal receptacle (8)
Upper and lower two sides are provided with the annular groove of cutting plane semicircular in shape, and to be mounted on annular recessed for the second sealing ring of valve rod (10) insertion
The inside of slot.
6. a kind of gear drive according to claim 1 opens and closes ball valve mechanism, it is characterised in that: the valve stem sleeve (7)
It is provided with cutting plane on inner wall and is in the annular groove of rectangle, and is provided with the ring of cutting plane semicircular in shape on the inner wall of the groove
Connected in star.
7. a kind of gear drive according to claim 1 opens and closes ball valve mechanism, it is characterised in that: the top of the valve ball (12)
End is provided with rectangle keyway corresponding with key (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820858662.6U CN208252814U (en) | 2018-06-05 | 2018-06-05 | A kind of gear drive opening and closing ball valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820858662.6U CN208252814U (en) | 2018-06-05 | 2018-06-05 | A kind of gear drive opening and closing ball valve mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252814U true CN208252814U (en) | 2018-12-18 |
Family
ID=64653450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820858662.6U Expired - Fee Related CN208252814U (en) | 2018-06-05 | 2018-06-05 | A kind of gear drive opening and closing ball valve mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725967A (en) * | 2019-09-07 | 2020-01-24 | 圣博莱阀门有限公司 | Metal seal valve seat and wear-resisting ball valve |
| CN115355330A (en) * | 2022-10-21 | 2022-11-18 | 泰伦机械(苏州)有限公司 | Efficient and sealed ball valve for petroleum conveying pipeline |
-
2018
- 2018-06-05 CN CN201820858662.6U patent/CN208252814U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725967A (en) * | 2019-09-07 | 2020-01-24 | 圣博莱阀门有限公司 | Metal seal valve seat and wear-resisting ball valve |
| CN115355330A (en) * | 2022-10-21 | 2022-11-18 | 泰伦机械(苏州)有限公司 | Efficient and sealed ball valve for petroleum conveying pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20181218 Termination date: 20190605 |