CN210265958U - Damping limiting flow control ball valve - Google Patents
Damping limiting flow control ball valve Download PDFInfo
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- CN210265958U CN210265958U CN201821777634.8U CN201821777634U CN210265958U CN 210265958 U CN210265958 U CN 210265958U CN 201821777634 U CN201821777634 U CN 201821777634U CN 210265958 U CN210265958 U CN 210265958U
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Abstract
The utility model relates to a spacing flow control ball valve of damping, include: the main valve body, the auxiliary valve body, the ball core and the valve rod; a loop bar slidably mounted to the valve stem; the extrusion ring is arranged on the loop bar; and the sleeve rod can slide along the axial direction of the valve rod to drive the extrusion ring to be embedded into or separated from the elastic extrusion sleeve, and when the extrusion ring is embedded into the elastic extrusion sleeve, a damping force is formed between the extrusion ring and the elastic extrusion sleeve. When the valve rod opening and closing valve needs to be rotated, the loop bar slides upwards to enable the extrusion ring to be separated from the elastic extrusion sleeve, the loop bar is synchronously driven to rotate when being rotated, if the ball core needs to be rotated by a small angle, the loop bar is pressed downwards to the extrusion ring embedded into the elastic extrusion sleeve after being rotated in place, damping force is generated between the extrusion ring and the elastic extrusion sleeve at the moment, the valve rod is difficult to rotate, the ball core is relatively fixed, and the ball core keeps rotating by a small angle.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to spacing flow control ball valve of damping.
Background
A ball valve is mainly used in a pipeline for cutting, distributing and changing the flow direction of a medium, and generally includes a main valve body, a sub-valve body, a ball core, an inlet valve seat, an outlet valve seat and a valve rod, wherein at least one of the inlet valve seat and the outlet valve seat is used for directly contacting with the ball core, and the valve rod controls the rotation of the ball core to open and close the valve.
The existing valve can only realize a complete opening mode or a complete closing mode, when a small flow needs to be opened and the ball core needs to rotate to a small angle, the ball core cannot be stably kept at the small angle due to certain impact force of fluid passing through the valve.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a spacing flow control ball valve of damping has the advantage that can keep the core to rotate less angle.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a damping limit flow control ball valve comprising:
the valve comprises a main valve body, wherein one side of the main valve body is connected with an auxiliary valve body, a ball core is arranged between the main valve body and the auxiliary valve body, and the ball core is connected with a valve rod;
the loop bar is slidably assembled on the valve rod and used for driving the valve rod to rotate;
the extrusion ring is arranged on the loop bar; and the number of the first and second groups,
bear in the main valve body and encircle the elasticity extrusion cover that the loop bar set up, the loop bar can slide along the axis direction of valve rod in order to drive the extrusion ring embedding or break away from the elasticity extrusion cover, and when the extrusion ring imbeds the elasticity extrusion cover, form damping force between the extrusion ring with the elasticity extrusion cover.
When the valve is opened and closed by rotating the valve rod, the loop bar slides upwards to separate the extrusion ring from the elastic extrusion sleeve, the valve rod is synchronously driven to rotate when the loop bar is rotated, if the ball core needs to rotate by a small angle, the loop bar is pressed downwards until the extrusion ring is embedded into the elastic extrusion sleeve after the valve rod rotates in place, and damping force is generated between the extrusion ring and the elastic extrusion sleeve at the moment, so that the valve rod is difficult to rotate, the ball core is relatively fixed, and the ball core keeps rotating by a small angle; if the valve rod needs to be rotated again to adjust the angle of the ball core, the loop rod slides upwards again to separate the extrusion ring from the elastic extrusion sleeve.
As an optimized scheme of the utility model, the elastic extrusion cover includes: the main valve body comprises an elastic sleeve ring loaded on the main valve body and a friction sleeve which is arranged on the inner wall of the elastic sleeve ring and matched with the extrusion ring.
By the technical scheme, the extrusion ring is embedded into the elastic sleeve ring and then is abutted against the friction sleeve, and the damping force for overcoming the rotation of the ball core can be formed.
As an optimized proposal of the utility model, the cross section of the extrusion ring is arc-shaped.
As an optimized proposal of the utility model, the upper end of the friction sleeve is in an arc shape.
By the technical scheme, the extrusion ring can be embedded into the elastic extrusion sleeve more conveniently.
As a preferred scheme of the utility model, the elastic sleeve ring with set up the shape groove on the friction sleeve.
According to the technical scheme, the elastic sleeve ring and the friction sleeve can deform to a certain extent, so that the extrusion ring can be embedded into the elastic extrusion sleeve more easily.
As a preferred scheme of the utility model, still be equipped with on the main valve body and be used for the drive the reciprocal auxiliary drive mechanism who slides of loop bar, auxiliary drive mechanism includes: the rotating wheel is fixed on the sleeve rod, the driving rod is in threaded connection with one side of the main valve body, and the driving wheel is fixed on the driving rod; the driving wheel is provided with an embedding groove, and the rotating wheel is embedded into the embedding groove.
When the technical scheme is realized, the driving rod is rotated when the loop bar is required to be driven to slide, thread transmission is formed between the driving rod and the main valve body, the driving wheel is driven to lift, and then the rotating wheel is driven to lift, so that the loop bar is driven to slide in a reciprocating manner to enable the extrusion ring to be embedded into or separated from the elastic extrusion sleeve.
To sum up, the utility model discloses following beneficial effect has:
the embodiment of the utility model provides a through providing a spacing flow control ball valve of damping, include: the valve comprises a main valve body, wherein one side of the main valve body is connected with an auxiliary valve body, a ball core is arranged between the main valve body and the auxiliary valve body, and the ball core is connected with a valve rod; the loop bar is slidably assembled on the valve rod and used for driving the valve rod to rotate; the extrusion ring is arranged on the loop bar; and the elastic extrusion sleeve is borne on the main valve body and arranged around the sleeve rod, the sleeve rod can slide along the axial direction of the valve rod to drive the extrusion ring to be embedded into or separated from the elastic extrusion sleeve, and when the extrusion ring is embedded into the elastic extrusion sleeve, damping force is formed between the extrusion ring and the elastic extrusion sleeve. When the valve rod opening and closing valve needs to be rotated, the loop bar slides upwards to enable the extrusion ring to be separated from the elastic extrusion sleeve, the loop bar is synchronously driven to rotate when being rotated, if the ball core needs to be rotated by a small angle, the loop bar is pressed downwards to the extrusion ring embedded into the elastic extrusion sleeve after being rotated in place, damping force is generated between the extrusion ring and the elastic extrusion sleeve at the moment, the valve rod is difficult to rotate, the ball core is relatively fixed, and the ball core keeps rotating by a small angle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a main valve body; 11. a sub-valve body; 12. a ball core; 13. a valve stem; 2. a loop bar; 3. an extrusion ring; 4. an elastic extrusion sleeve; 41. an elastic collar; 42. a friction sleeve; 5. an auxiliary drive mechanism; 51. a rotating wheel; 52. a drive rod; 53. a drive wheel; 54. and (4) caulking grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
A ball valve for controlling the flow of a damping limit flow, as shown in fig. 1, comprising: the main valve body 1, the main valve body 1 and one side connect with the sub-valve body 11, there are ball cores 12 between sub-valve body 11 and the main valve body 1, the ball core 12 connects with the valve stem 13; the loop bar 2 is assembled on the valve rod 13 in a sliding way and used for driving the valve rod 13 to rotate; the extrusion ring 3 is arranged on the loop bar 2; and an elastic extrusion sleeve 4 which is borne on the main valve body 1 and is arranged around the sleeve rod 2, the sleeve rod 2 can slide along the axial direction of the valve rod 13 to drive the extrusion ring 3 to be embedded into or separated from the elastic extrusion sleeve 4, and when the extrusion ring 3 is embedded into the elastic extrusion sleeve 4, a damping force is formed between the extrusion ring 3 and the elastic extrusion sleeve 4.
Specifically, loop bar 2 slides and cup joints in valve rod 13, has seted up the spout on valve rod 13, is equipped with the slider with spout looks adaptation on the inner wall of loop bar 2, and the slider cooperatees with the spout and has realized the sliding connection of loop bar 2 with valve rod 13, and through the restriction of spout to the slider, can hold in step valve rod 13 when making loop bar 2 rotate and rotate, realizes the control to ball core 12.
The elastic pressing sleeve 4 includes: an elastic collar 41 carried on the main valve body 1, and a friction sleeve 42 arranged on the inner wall of the elastic collar 41 and matched with the extrusion ring 3; the elastic sleeve ring 41 is made of elastic metal or plastic, the friction sleeve 42 is bonded on the inner wall of the elastic sleeve ring 41, and the friction sleeve 42 is made of rubber, so that a large friction force can be formed between the elastic sleeve ring 41 and the extrusion ring 3, and deformation grooves (not shown in the figure) are formed in the elastic sleeve ring 41 and the friction sleeve 42, four deformation grooves are formed in the embodiment, so that when the extrusion ring 3 is pressed downwards to be embedded into the elastic extrusion sleeve 4, the elastic sleeve ring 41 can deform to be outwards opened, so that the extrusion ring 3 can be conveniently embedded into the elastic extrusion sleeve 4; in order to more conveniently embed the extrusion ring 3 into the friction sleeve 42, the section of the extrusion ring 3 is arc-shaped, the upper end surface of the corresponding friction sleeve 42 is arc-shaped, and after the extrusion ring 3 is embedded into the elastic sleeve ring 41, the extrusion ring is pressed against the friction sleeve 42, so that the damping force for overcoming the rotation of the ball core 12 can be formed.
Further, still be equipped with on main valve body 1 and be used for driving the reciprocating sliding's of loop bar 2 auxiliary drive mechanism 5, auxiliary drive mechanism 5 includes: a runner 51 fixed to the stem 2, a drive rod 52 screwed to one side of the main valve body 1, and a drive wheel 53 fixed to the drive rod 52; the driving wheel 53 is provided with a caulking groove 54, and the rotating wheel 51 is embedded in the caulking groove 54.
The rotating wheel 51 is welded and fixed at the upper end of the loop bar 2, the loop bar 2 can be driven to rotate through the rotating wheel 51 so as to control the opening and closing of the valve, a mounting seat is welded and fixed on the main valve body 1, the mounting seat is provided with a thread sleeve, the driving rod 52 is provided with a thread matched with the thread sleeve, the upper end of the driving rod 52 is provided with a hexagonal connecting hole, and the driving rod 52 can be connected with a hexagonal wrench through the connecting hole so as to conveniently rotate; when the sleeve rod 2 needs to be driven to slide, the driving rod 52 is rotated, thread transmission is formed between the driving rod 52 and the main valve body 1, the driving wheel 53 is driven to lift, and then the rotating wheel 51 is driven to lift, so that the sleeve rod 2 is driven to slide back and forth to enable the extrusion ring 3 to be embedded into or separated from the elastic extrusion sleeve 4.
When the valve rod 13 needs to be rotated to open and close the valve, the driving rod 52 is rotated to drive the loop bar 2 to slide upwards to enable the extrusion ring 3 to be separated from the elastic extrusion sleeve 4, the valve rod 13 is synchronously driven to rotate when the loop bar 2 is rotated through the rotating wheel 51, if the ball core 12 needs to be rotated by a small angle, after the valve rod 13 is rotated in place, the driving rod 52 is rotated reversely to drive the loop bar 2 to press down the extrusion ring 3 to be embedded into the elastic extrusion sleeve 4, damping force is generated between the extrusion ring 3 and the elastic extrusion sleeve 4 at the moment, so that the valve rod 13 is difficult to rotate, the ball core 12 is relatively fixed, and the ball core 12 keeps rotating by; if the valve rod 13 needs to be rotated again to adjust the angle of the ball core 12, the driving rod 52 is rotated again to drive the loop bar 2 to slide upwards again, so that the extrusion ring 3 is separated from the elastic extrusion sleeve 4.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a spacing flow control ball valve of damping which characterized in that includes:
the valve comprises a main valve body (1), wherein an auxiliary valve body (11) is connected with one side of the main valve body (1), a ball core (12) is arranged between the main valve body (1) and the auxiliary valve body (11), and the ball core (12) is connected with a valve rod (13);
the sleeve rod (2) is slidably assembled on the valve rod (13) and used for driving the valve rod (13) to rotate;
the extrusion ring (3) is arranged on the loop bar (2); and the number of the first and second groups,
bear in main valve body (1) and encircle elasticity extrusion cover (4) that loop bar (2) set up, loop bar (2) can be followed the axis direction of valve rod (13) slides in order to drive extrusion ring (3) embedding or break away from elasticity extrusion cover (4), and when extrusion ring (3) embedding elasticity extrusion cover (4), form damping force between extrusion ring (3) with elasticity extrusion cover (4).
2. The ball valve according to claim 1, characterized in that said elastically extruded sleeve (4) comprises: the main valve body (1) is provided with an elastic collar (41) and a friction sleeve (42), wherein the elastic collar (41) is borne on the main valve body, and the friction sleeve (42) is arranged on the inner wall of the elastic collar (41) and is matched with the extrusion ring (3).
3. The ball valve according to claim 2, characterized in that the section of the squeeze ring (3) is circular arc.
4. The ball valve of claim 2 or 3, wherein the upper end surface of the friction sleeve (42) is arc-shaped.
5. The ball valve of claim 2 or 3, characterized in that the elastic collar (41) and the friction sleeve (42) are provided with deformation grooves.
6. The ball valve for controlling the flow of the damping limit flow according to claim 1, wherein an auxiliary driving mechanism (5) for driving the loop bar (2) to slide back and forth is further arranged on the main valve body (1), and the auxiliary driving mechanism (5) comprises: a rotating wheel (51) fixed on the sleeve rod (2), a driving rod (52) in threaded connection with one side of the main valve body (1), and a driving wheel (53) fixed on the driving rod (52); the driving wheel (53) is provided with a caulking groove (54), and the rotating wheel (51) is embedded into the caulking groove (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777634.8U CN210265958U (en) | 2018-10-31 | 2018-10-31 | Damping limiting flow control ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777634.8U CN210265958U (en) | 2018-10-31 | 2018-10-31 | Damping limiting flow control ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265958U true CN210265958U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821777634.8U Active CN210265958U (en) | 2018-10-31 | 2018-10-31 | Damping limiting flow control ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210265958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212027A (en) * | 2020-09-22 | 2021-01-12 | 左成林 | Valve core, valve using valve core and method |
-
2018
- 2018-10-31 CN CN201821777634.8U patent/CN210265958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212027A (en) * | 2020-09-22 | 2021-01-12 | 左成林 | Valve core, valve using valve core and method |
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