CN209909212U - Lubricating and oil sealing device for industrial plunger bottom valve - Google Patents
Lubricating and oil sealing device for industrial plunger bottom valve Download PDFInfo
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- CN209909212U CN209909212U CN201920565648.1U CN201920565648U CN209909212U CN 209909212 U CN209909212 U CN 209909212U CN 201920565648 U CN201920565648 U CN 201920565648U CN 209909212 U CN209909212 U CN 209909212U
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Abstract
The utility model discloses a lubricated and oil blanket device of industry plunger bottom valve, including valve body, valve body tee bend flange, ripple sealing hose overcoat, oil filler point, oiling overflow mouth, bearing, sealing ring, gland, lock nut, lead screw fixing base, nut suit (including bolt nut gasket), ripple sealing hose overcoat has oil filler point and oiling overflow mouth, disposes sealing ring, gland, the inseparable pressfitting of lock nut with the bearing up end after the valve body cooperation combination, is connected ripple sealing hose overcoat and valve body tee bend flange, lead screw fixing base and fixes again, has solved the easy problem of aerial dust or PVC material powder pollution of lead screw during the operation, can directly carry out the oiling operation through the oil filler point simultaneously, and the oil filler overflow mouth of border two places has played very big effect to greasy dirt discharge and oil spill derivation, makes easy maintenance more swift, the utility model discloses simple structure, The manufacturing is simple and easy, the practicability is strong, and the plunger device can be widely applied to industrial production occasions of different plunger device facilities.
Description
Technical Field
The utility model belongs to the technical field of the valve technique and specifically relates to a plunger bottom valve, especially an industrial plunger bottom valve is lubricated and oil blanket device for industrial production.
Background
The plunger bottom valve is a stop and throttle type valve, and mainly utilizes the contraction force between the side surface of plunger and inner surface of valve seat as main component of valve body in the plunger bottom valve to implement sealing action of medium, and when the valve rod drives plunger, it can be up-down reciprocated between two sealing rings to implement opening and closing steps of plunger bottom valve. When the plunger bottom valve is applied to sealing of transmission type equipment, the vibration is large due to the fact that an industrial motor is installed on the site. For example, a bottom valve of a plunger piston of a polymerization kettle which is a main device for producing polyvinyl chloride is mainly used for discharging, water feeding and washing processes of the polymerization kettle, a speed reducer is driven by an explosion-proof three-phase asynchronous motor, a lead screw is driven by the speed reducer to rotate, and the lead screw drives a screw nut and the side surface of the plunger piston to do linear motion. Three explosion-proof travel switches for controlling the travel of the screw rod are arranged on the plunger bottom valve bracket, and when a travel switch baffle connected to a copper wire nut is contacted with the explosion-proof travel switches, the explosion-proof travel switches are started, and the motor stops rotating, so that the valve can be opened or closed. The problems existing at present mainly are as follows:
1. because the polymerization kettle belongs to continuous operation equipment, the operation time is long, a certain amount of lubricating oil needs to be filled in the lead screw and the nut for one week, splashing phenomenon occurs in the operation process, and oil stains flow out to influence the environment;
2. dust and impurities exist in a production site and a space where an industrial plunger bottom valve of a polymerization kettle is located, so that a lead screw is easily polluted by the dust or PVC material powder in the air when the plunger bottom valve at the bottom of the kettle runs up and down, the lead screw is brought into a bearing sealing running part, the whole lead screw sealing device is influenced, the sealing matching of the lead screw and the plunger is seriously influenced, the opening delay and the failure of opening of tens of millions of bottom valves can be caused, and the plunger bottom valve can not work normally;
3. when the plunger bottom valve is inspected and maintained, the plunger bottom valve needs to be vacuumized, replaced and pressed for leakage test after the replacement is finished, so that the normal driving can be realized, the production operation is influenced, and the yield is seriously influenced.
Disclosure of Invention
An object of the utility model is to provide a device that is stable, prevents that the greasy dirt from splashing, is convenient for on-spot refuel, structure and preparation are simple and easy is fit for an industry plunger bottom valve location and spacing instruction.
In order to achieve the above object, the utility model provides an industry plunger bottom valve is lubricated and oil blanket device, the device includes: the valve body, the valve body three-way flange, the corrugated sealing hose jacket, the oil filling hole, the oil filling overflow port, the bearing, the sealing ring, the gland, the locking nut, the screw rod fixing seat and the nut sleeve (comprising the bolt and nut gasket) are sleeved, the oil filling hole and the oil filling overflow port are arranged on the corrugated sealing hose jacket, the valve body is matched and combined, the sealing ring is arranged on the upper end face of the bearing, the gland and the locking nut are arranged again to be tightly pressed, the upper portion of the corrugated sealing hose jacket is connected with the valve body three-way flange, and the lower portion of the corrugated sealing hose jacket is fixed.
The valve body tee joint flange is connected with the valve body tee joint and then connected with the corrugated sealing hose sleeve;
the corrugated sealing hose jacket is arranged on the surrounding surface outside the screw rod and the plunger, the upper part of the corrugated sealing hose jacket is connected with the valve body tee flange, and the lower part of the corrugated sealing hose jacket is connected with the screw rod fixing seat.
The oil filler point is arranged on the upper part of the corrugated sealing hose jacket and is provided with an oil filler point plug.
The oil injection overflow port is arranged at the lower part of the corrugated sealing hose jacket, is 2, equally divides a circle, and is provided with an oil injection overflow port plug.
The sealing ring is arranged on the upper end surface of the bearing and is tightly pressed with the end surface of the gland;
the gland is arranged on the upper end face of the sealing ring and is pressed with the lower end face of the locking nut;
preferably, the angle of a wedge surface guide angle of a contact surface of the gland and the sealing ring and the central axis form an angle beta of 45 degrees.
Preferably, the nut sleeve (containing the bolt and nut gaskets) is provided with 4 sleeves which are uniformly distributed along the periphery of the corrugated sealing hose outer sleeve;
preferably, the outer sleeve of the corrugated sealing hose is made of a corrugated hose.
Because the utility model provides a pair of lubricated and oil-sealing device of industry plunger bottom valve, the spare part of valve body main part is connected mainly as follows: four support rods are arranged on a lead screw fixing seat of the valve body, a lead screw is arranged in the center of the lead screw fixing seat, the lead screw is respectively connected with a copper screw nut and a plunger and is arranged in the center of the lead screw fixing seat, a bearing 6, a movable sleeve, a bearing, a sealing ring, a gland and a locking nut are arranged on the lead screw, the sealing ring, a spacer ring, a bushing and a sealing ring II are arranged on the upper part of the valve body part and are compressed by a flange, and the valve body part is formed by sequentially assembling the locking nut, the gland, the sealing ring, the; when in use, the screw rod 24 drives the plunger 16 to reciprocate up and down between the two sealing rings, thereby completing the opening and closing steps of the plunger bottom valve. Because the upper end surface of the bearing is provided with the sealing ring which is tightly pressed with the end surface of the gland, the oil lubrication and sealing problems of a copper wire nut, a screw rod and a plunger are solved, and the good sealing and lubricating effects are achieved; the arrangement of the oil filling overflow ports at two positions of the periphery plays a great role in the discharge of oil stains and the derivation of oil spillage, so that the maintenance is more convenient and faster. The lubricating oil can be better sealed by setting the angle beta between the taper angle of the wedge surface of the contact surface of the gland and the central axis to be 45 degrees. The utility model discloses simple structure, preparation are simple and easy, and the practicality is strong to but the wide application is in the industrial production occasion of different plunger device class facilities.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of an industrial plunger bottom valve lubricating and oil sealing device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection between the corrugated sealing hose jacket of the industrial plunger bottom valve lubricating and oil sealing device, the valve body three-way flange and the lead screw fixing seat of the embodiment of the present invention;
fig. 3 is a schematic structural view of a sealing ring gland in an industrial plunger bottom valve lubricating and oil sealing device according to an embodiment of the present invention;
in fig. 1, 1 is a speed reducer; 2 is a bond; 3 is a connecting disc; 4 is an explosion-proof motor; 5 is a lead screw fixing seat; 6 is a bearing; 7 is a loop; 8 is a bearing; 9 is a sealing ring; 10 is a gland; 11 is a locking nut; 12 is an oil hole plug; 13 is an oil hole; 14 is a corrugated sealing hose jacket; 15 is a valve body tee joint; 16 is a plunger piston; 17 is a valve body; 18 is a limit screw; 19 is a nut sleeve and a pressure spring; 20, sleeving a nut; 21, a limit switch; 22 is a copper wire female; 23 is a support rod; 24 is a lead screw; 25 is a valve body three-way flange, and 26 is a nut sleeve (comprising a bolt and a nut gasket); 27 is a hand wheel;
in fig. 2, 28 is an oil filling overflow port, and 29 is an oil filling overflow port plug;
in fig. 3, 101 is a front view of the gland, and 102 is a top view of the gland; 103 is a gland left view.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, the embodiment of the utility model provides an industrial plunger bottom valve is lubricated and oil blanket device, the device includes: the valve body 17, the valve body three-way flange 25, the corrugated sealing hose jacket 14, the oil filler hole 13, the oil filling overflow port 28, the bearing 8, the sealing ring 9, the gland 10, the lock nut 11, the lead screw fixing seat 5 and the nut sleeve (including the bolt and nut gasket) 26, wherein the oil filler hole 13 and the oil filling overflow port 28 are arranged on the corrugated sealing hose jacket 14, the valve body 17 is sequentially combined, the sealing ring 9 is arranged on the upper end face of the bearing 8, the gland 10 and the lock nut 11 are arranged to be tightly pressed, the upper part of the corrugated sealing hose jacket 14 is connected with the valve body three-way flange 25, and the lower part of the corrugated sealing hose jacket is fixed by 4 nut sleeve (including the bolt and nut gasket) 26 after being.
The valve body tee joint flange 25 is connected with the valve body tee joint 15 and then connected with the corrugated sealing hose jacket 14;
the corrugated sealing hose jacket 14 is arranged on the surrounding surfaces of the screw rod 24 and the plunger 16, the upper part of the corrugated sealing hose jacket is connected with the valve body three-way flange 25, and the lower part of the corrugated sealing hose jacket is connected with the screw rod fixing seat 5.
The oil filler hole 13 is arranged on the upper part of the corrugated sealing hose jacket 14 and is provided with an oil filler hole plug 12.
The number of the oil filling overflow ports 28 is 2, the oil filling overflow ports are arranged at the lower part of the corrugated sealing hose jacket 14 and are uniformly divided into a circle, and an oil filling overflow port plug 29 is arranged.
The sealing ring 9 is arranged on the upper end face of the bearing 8 and is tightly pressed with the end face of the gland 10;
the gland 10 is arranged on the upper end face of the sealing ring 9 and is pressed with the lower end face of the locking nut 11;
preferably, the wedge-shaped surface guide angle of the contact surface of the gland 10 and the sealing ring 9 is 45 degrees with the central axis.
Preferably, the nut sleeve (including the bolt and nut gaskets) 26 has 8 sleeves which are uniformly distributed along 4 peripheries of the upper part and 4 peripheries of the lower part of the corrugated sealing hose sleeve;
preferably, the corrugated sealing hose jacket 14 is made of a corrugated hose.
Because the utility model provides a pair of lubricated and oil-sealing device of industry plunger bottom valve, the spare part of valve body 17 main part is connected mainly as follows: four support rods 23 are arranged on a lead screw fixing seat 5 of the valve body 17, a lead screw 24 is arranged in the center, the lead screw 24 is respectively connected with a copper wire nut 22 and a plunger 16 and is arranged in the center of the lead screw fixing seat 5, a bearing 6, a movable sleeve 7, a bearing 8, a sealing ring 9, a gland 10 and a locking nut 11 are arranged on the lead screw 24, the upper part of the valve body 17 is provided with the sealing ring, a spacer ring, a bush and a sealing ring II which are compressed by a flange, and the valve body is formed by sequentially assembling the locking nut 11, the gland 10, the sealing ring 9, the bearing 8, the movable sleeve 7 and the bearing; when in use, the screw rod 24 drives the plunger 16 to reciprocate up and down between the two sealing rings, thereby completing the opening and closing steps of the plunger bottom valve. Because the upper end face of the bearing 8 is provided with the sealing ring 9 which is tightly pressed with the end face of the gland 10, the oil lubrication and sealing problems of the copper wire nut 22, the lead screw 24 and the plunger 16 are solved, the good sealing and lubricating effects are achieved, the corrugated sealing hose jacket 14 is arranged around the lead screw 24 and the plunger 16, the problem that the lead screw 5 is easily polluted by dust or PVC material powder in the air during operation is solved, meanwhile, the oil injection operation can be directly carried out through the oil injection hole 13, and the maintenance personnel can operate more conveniently; the arrangement of the oil injection overflow ports 28 at two positions on the periphery plays a great role in oil pollution discharge and oil overflow derivation, so that the maintenance is more convenient and faster, and the lubricating oil can be better sealed by the arrangement that the angle beta formed by the wedge surface guide angle of the contact surface of the gland 10 and the sealing ring 9 and the central axis is 45 degrees. The utility model discloses simple structure, preparation are simple and easy, and the practicality is strong to but the wide application is in the industrial production occasion of different plunger device class facilities.
The foregoing is a preferred embodiment of the present invention and it should be understood that it is not intended to be exhaustive or to limit the invention to the precise form disclosed, and that modifications and enhancements may be made by those skilled in the art without departing from the principles of the present invention in order to better illustrate the principles and practice of the invention and to enable those skilled in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides an industry plunger bottom valve is lubricated and oil blanket device which characterized in that: the device includes: the valve body, the valve body tee flange, the corrugated sealing hose jacket, the oil filler hole, the oil filler overflow port, the bearing, the sealing ring, the gland, the lock nut, the screw rod fixing seat and the nut jacket are sleeved, the oil filler hole and the oil filler overflow port are arranged on the corrugated sealing hose jacket, the valve body is matched and combined, the sealing ring is arranged on the upper end face of the bearing, the gland and the lock nut are arranged to be tightly pressed, the upper portion of the corrugated sealing hose jacket is connected with the valve body tee flange, and the lower portion of the corrugated sealing hose jacket is sleeved and fixed by the nut after being connected.
2. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: and after the valve body tee joint flange is connected with the valve body tee joint, the valve body tee joint flange is connected with the corrugated sealing hose sleeve.
3. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: the corrugated sealing hose jacket is arranged on the surrounding surface outside the screw rod and the plunger, the upper part of the corrugated sealing hose jacket is connected with the valve body tee flange, and the lower part of the corrugated sealing hose jacket is connected with the screw rod fixing seat.
4. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: the oil filler point is arranged on the upper part of the corrugated sealing hose jacket and is provided with an oil filler point plug.
5. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: the oil injection overflow port is arranged at the lower part of the corrugated sealing hose jacket, is 2, equally divides a circle, and is provided with an oil injection overflow port plug.
6. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: the sealing ring is arranged on the upper end face of the bearing and is tightly pressed with the end face of the gland.
7. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: the gland is arranged on the upper end face of the sealing ring and is in press fit with the lower end face of the locking nut.
8. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: and the included angle beta between the wedge surface guide angle of the contact surface of the gland and the sealing ring and the central axis is 45 degrees.
9. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: the nut suit matches bolt nut gasket, has 4 sets, along ripple sealing hose overcoat all around evenly distributed.
10. The industrial plunger bottom valve lubricating and oil sealing device as claimed in claim 1, wherein: the corrugated sealing hose jacket is made of a corrugated hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565648.1U CN209909212U (en) | 2019-04-24 | 2019-04-24 | Lubricating and oil sealing device for industrial plunger bottom valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565648.1U CN209909212U (en) | 2019-04-24 | 2019-04-24 | Lubricating and oil sealing device for industrial plunger bottom valve |
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| Publication Number | Publication Date |
|---|---|
| CN209909212U true CN209909212U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920565648.1U Active CN209909212U (en) | 2019-04-24 | 2019-04-24 | Lubricating and oil sealing device for industrial plunger bottom valve |
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| CN (1) | CN209909212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377659A (en) * | 2020-11-27 | 2021-02-19 | 昊华宇航化工有限责任公司 | Stroke switch for pneumatic bottom valve of polymerization kettle |
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2019
- 2019-04-24 CN CN201920565648.1U patent/CN209909212U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377659A (en) * | 2020-11-27 | 2021-02-19 | 昊华宇航化工有限责任公司 | Stroke switch for pneumatic bottom valve of polymerization kettle |
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