CN216843166U - Easy-to-maintain sealing device for turnover valve - Google Patents
Easy-to-maintain sealing device for turnover valve Download PDFInfo
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- CN216843166U CN216843166U CN202122342475.7U CN202122342475U CN216843166U CN 216843166 U CN216843166 U CN 216843166U CN 202122342475 U CN202122342475 U CN 202122342475U CN 216843166 U CN216843166 U CN 216843166U
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Abstract
The utility model discloses a sealing device of convertible valve convenient to overhaul relates to convertible valve seal and improves technical field, including the valve disc, a side symmetry of valve disc rotates and is connected with movable valve plate, movable valve plate inner chamber side top fixedly connected with limiting plate, the limiting plate slope is slided and is provided with and blocks the pole. The utility model discloses a with the integral type valve disc design among the prior art disassemble into the valve disc with rotate the movable valve plate of connection on the valve disc, movable valve plate and the outer circumference of valve disc constitute the complete circular slot that is used for holding the sealing washer, can be with the integrative fixed connection of valve disc and movable valve plate through the bar that shelters from with on the fixing bolt, when the sealing washer in the circular slot is dismantled to needs, only need dismantle the back with fixing bolt, movable valve plate is automatic to break away from with the valve disc, comparatively easy alright take off the sealing washer from the valve disc this moment, at this in-process, need not the use tool sled and get the sealing washer, can not be to circular slot surface fish tail naturally.
Description
Technical Field
The utility model relates to a convertible valve seal improves technical field, especially relates to a sealing device of convertible valve convenient to overhaul.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to the function, the valve can be divided into a shut-off valve, a check valve, a rotary regulating valve and the like, wherein the valve is a control part in a fluid conveying system and has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. A valve for a fluid control system.
The valve disc in the convertible valve is used for realizing the switching function of convertible valve to the pipeline, for making in the convertible valve the valve disc keep sealed when sealing the pipeline, need seted up the circular slot at the valve disc outer circumference, and embolia the sealing washer, but such structure makes very loaded down with trivial details when changing the sealing washer of valve disc outer circumferential surface, need operating personnel use tools to prize the sealing washer out from the circular slot, the instrument is difficult to exempt can be with circular slot surface fish tail, and then influences the leakproofness of valve disc self.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art and having seted up the circular slot in the outer circumference of valve disc to embolia the sealing washer, but such structure is very loaded down with trivial details when making the sealing washer to the outer circumferential surface of valve disc change, needs operating personnel use tools to prize out the sealing washer from the circular slot, and the instrument is inevitable can be with circular slot surface fish tail, and then influences the problem of the leakproofness of valve disc self, and the sealing device of the convertible valve of a convenient to overhaul who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sealing device of convertible valve convenient to overhaul, includes the valve disc, valve disc a side symmetry rotation is connected with movable valve plate, movable valve plate inner chamber side top fixedly connected with limiting plate, the limiting plate slope slides and is provided with the interception pole, interception pole bottom fixedly connected with connection rope, connect the rope around the wire wheel back bottom wiring outside the reel, the reel is with the coaxial fixed connection of movable valve plate pivot, ash discharging mechanism has been seted up to movable valve plate a side.
Optionally, the central position of the valve disc is in threaded connection with a fixing bolt, the part of the fixing bolt, which is not provided with the external thread, is movably sleeved with a shielding rod, and the length of the shielding rod is equal to the disc diameter of the valve disc.
Optionally, the bottom of the intercepting rod is fixedly connected with one end of a return spring, the other end of the return spring is fixedly connected to the lower bottom surface of the limiting plate, and the top of the intercepting rod is slidably connected with the outer shell of the movable valve plate.
Optionally, the dust discharging mechanism comprises an air outlet hole, an air pushing plate and an inclined rod, and the movable valve plate is provided with a rectangular cavity close to the dust discharging mechanism.
Optionally, the rectangular cavity is connected with an air pushing plate with the same area in a sliding mode along the horizontal direction, air outlet holes are uniformly distributed in the side face of the rectangular cavity along the vertical direction, and one side face of the air pushing plate is connected with an inclined rod in a rotating mode.
Optionally, the other end of the inclined rod is rotatably connected with a vertical column, the vertical column is fixedly connected to the middle position of the connecting rope, the movable valve plate is fixedly connected with a limiting rod close to the side face of the vertical column, and the rear side face of the vertical column is connected with the limiting rod in a sliding mode.
Compared with the prior art, the utility model discloses possess following advantage:
the utility model discloses a with the integral type valve disc design among the prior art disassemble into the valve disc with rotate the movable valve plate of connection on the valve disc, movable valve plate and the outer circumference of valve disc constitute the complete circular slot that is used for holding the sealing washer, can be with the integrative fixed connection of valve disc and movable valve plate through the bar that shelters from with on the fixing bolt, when the sealing washer in the circular slot is dismantled to needs, only need dismantle the back with fixing bolt, movable valve plate is automatic to break away from with the valve disc, comparatively easy alright take off the sealing washer from the valve disc this moment, at this in-process, need not the use tool sled and get the sealing washer, can not be to circular slot surface fish tail naturally.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the structure at A in FIG. 1;
FIG. 3 is a schematic three-dimensional structure of the valve disc coupled to the movable valve plate;
in the figure: 1. a valve disc; 2. a blocking lever; 3. fixing the bolt; 4. a movable valve plate; 5. intercepting the rod; 6. a return spring; 7. an ash discharge mechanism; 71. an air outlet; 72. a gas pushing plate; 73. an inclined lever; 8. a limiting plate; 9. a wire guide wheel; 10. a vertical column; 11. a limiting rod; 12. connecting ropes; 13. a reel; 14. a rectangular cavity; 15. and (6) accommodating the tank.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a sealing device of turnover valve convenient to overhaul, including valve disc 1, a side of valve disc 1 is connected with movable valve plate 4 symmetrically and rotatably, the department of rotating valve disc 1 and movable valve plate 4 is provided with the commentaries on classics round pin, change round pin both ends and fix on valve disc 1, valve disc 1 central point puts threaded connection has fixing bolt 3, fixing bolt 3 head is not provided with the movable cover of external screw thread part and is equipped with and hides pin 2, it equals 1 coils footpath of valve disc to hide pin 2 length, it is circular-arcly to hide 2 both ends of pole, prevent to hide 2 both ends of pole and stretch out 1 sides of valve disc, through to 1 screw in fixing bolt 3 alright with the integrative fixed mounting of valve disc 1 and movable valve plate 4 to the movable valve plate 4 sides become the parallel and level state completely with valve disc 1.
A limiting plate 8 is fixedly connected to the top of the side surface of the inner cavity of the movable valve plate 4, a blocking rod 5 is obliquely and slidably arranged on the limiting plate 8, the bottom of the blocking rod 5 is fixedly connected with one end of a return spring 6, the other end of the return spring 6 is fixedly connected to the lower bottom surface of the limiting plate 8, the top of the blocking rod 5 is slidably connected with the outer shell of the movable valve plate 4, and in the initial condition, the blocking rod 5 extends out of the movable valve plate 4 under the support of the return spring 6, when the movable valve plate 4 is in an inclined state, the sealing ring is placed at one side of the containing groove 15 formed in the movable valve plate 4 and close to the intercepting rod 5, when the movable valve plate 4 rotates to be flush with the valve disc 1, the interception rod 5 can prevent the sealing ring from falling off from the side surface of the movable valve plate 4, in addition, the tail end of the intercepting rod 5 is ground into a circular arc shape, and when the intercepting rod 5 is completely retracted into the movable valve plate 4 by a mechanism described below, the top of the intercepting rod 5 and the side surface of the movable valve plate 4 form a complete circular arc.
The bottom of the interception rod 5 is fixedly connected with a connecting rope 12, the bottom of the connecting rope 12 is wound on the outer circumference of a winding wheel 13 after passing through a guide wheel 9, the winding wheel 13 is coaxially and fixedly connected with a rotating shaft of the movable valve plate 4, one side surface of the movable valve plate 4 is provided with an ash discharge mechanism 7, the ash discharge mechanism 7 comprises an air outlet hole 71, an air pushing plate 72 and an inclined rod 73, the position of the movable valve plate 4 close to the ash discharge mechanism 7 is provided with a rectangular cavity 14, and the rectangular cavity 14 is connected with the air pushing plate 72 with equal area in a sliding mode along the horizontal direction.
The working principle is as follows:
in the initial condition of the utility model, the side surface of the movable valve plate 4 is not parallel to the side surface of the valve disc 1, at this time, the interception rod 5 extends out of the movable valve plate 4 under the action of the return spring 6, the sealing ring to be installed is placed in the circular groove at one side of the movable valve plate 4 close to the interception rod 5, the fixing bolt 3 is rotated by a spanner, when the movable valve plate 4 is parallel to the valve disc 1 gradually by the fixing bolt 3 through the interception rod 2, the reel 13 pulls the intercepting bar 5 completely inside the movable valve plate 4 by winding the connecting rope 12, meanwhile, the vertical column 10 connected with the side surface of the rope 12 sprays gas in the rectangular cavity 14 from the gas outlet hole 71 along the control gas pushing plate 72 shown in fig. 2 through the inclined rod 73, particle impurities possibly existing in a gap between the movable valve plate 4 and the valve disc 1 are removed, the particle impurities are prevented from being clamped in the gap between the movable valve plate 4 and the valve disc 1, and the edges of the movable valve plate 4 and the outer circumference of the valve disc 1 provided with the accommodating grooves 15 cannot be completely attached. The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a sealing device of convertible valve convenient to overhaul, includes valve disc (1), its characterized in that, valve disc (1) a side symmetry is rotated and is connected with movable valve plate (4), movable valve plate (4) inner chamber side top fixedly connected with limiting plate (8), limiting plate (8) slope slip is provided with interception pole (5), interception pole (5) bottom fixedly connected with connecting rope (12), connecting rope (12) around connecting at reel (13) outer circumference in wire wheel (9) back bottom, reel (13) and the coaxial fixed connection of movable valve plate (4) pivot, dust exhaust mechanism (7) have been seted up to movable valve plate (4) a side.
2. The easy-to-overhaul sealing device for the turnover valve according to claim 1, characterized in that the valve disc (1) is screwed with a fixing bolt (3) in the center, the head of the fixing bolt (3) is not provided with a shielding rod (2) in the movable sleeve of the external thread part, and the length of the shielding rod (2) is equal to the disc diameter of the valve disc (1).
3. The easy-to-overhaul turnover valve sealing device according to claim 1, wherein the bottom of the interception rod (5) is fixedly connected with one end of a return spring (6), the other end of the return spring (6) is fixedly connected to the lower bottom surface of the limiting plate (8), and the top of the interception rod (5) is slidably connected with the outer shell of the movable valve plate (4).
4. The easy-to-overhaul flip valve sealing device is characterized in that the ash discharging mechanism (7) comprises an air outlet hole (71), an air pushing plate (72) and an inclined rod (73), and the movable valve plate (4) is provided with a rectangular cavity (14) close to the ash discharging mechanism (7).
5. The easy-to-overhaul flip valve sealing device of claim 4, wherein the rectangular cavity (14) is connected with an equal-area air pushing plate (72) in a sliding manner along the horizontal direction, air outlet holes (71) are uniformly distributed on the side surface of the rectangular cavity (14) along the vertical direction, and an inclined rod (73) is rotatably connected to one side surface of the air pushing plate (72).
6. The easy-to-overhaul sealing device for the turnover valve according to claim 5, wherein the other end of the inclined rod (73) is rotatably connected with a vertical column (10), the vertical column (10) is fixedly connected to the middle position of the connecting rope (12), the movable valve plate (4) is fixedly connected with a limiting rod (11) by the side surface of the vertical column (10), and the rear side surface of the vertical column (10) is slidably connected with the limiting rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122342475.7U CN216843166U (en) | 2021-09-27 | 2021-09-27 | Easy-to-maintain sealing device for turnover valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122342475.7U CN216843166U (en) | 2021-09-27 | 2021-09-27 | Easy-to-maintain sealing device for turnover valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216843166U true CN216843166U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122342475.7U Active CN216843166U (en) | 2021-09-27 | 2021-09-27 | Easy-to-maintain sealing device for turnover valve |
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| Country | Link |
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| CN (1) | CN216843166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006698A (en) * | 2023-03-14 | 2023-04-25 | 泰兴市黄桥通用机械有限公司 | Valve with multiple seal structure |
-
2021
- 2021-09-27 CN CN202122342475.7U patent/CN216843166U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006698A (en) * | 2023-03-14 | 2023-04-25 | 泰兴市黄桥通用机械有限公司 | Valve with multiple seal structure |
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