CN216044591U - Sealing device for shaft end of chemical centrifugal pump - Google Patents
Sealing device for shaft end of chemical centrifugal pump Download PDFInfo
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- CN216044591U CN216044591U CN202122581893.1U CN202122581893U CN216044591U CN 216044591 U CN216044591 U CN 216044591U CN 202122581893 U CN202122581893 U CN 202122581893U CN 216044591 U CN216044591 U CN 216044591U
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- centrifugal pump
- sealing device
- chemical centrifugal
- sleeve
- shaft end
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Abstract
The utility model discloses a sealing device for the shaft end of a chemical centrifugal pump, which comprises: the surface of the bottom plate is connected with a pump body, and one side surface of the pump body is connected with a motor; the bracing piece, the perpendicular connection is on the surface of bottom plate, and the top swing joint of bracing piece has the telescopic link, and the relative bracing piece's of telescopic link one end fixedly connected with locating lever moreover, and the one end surface connection of locating lever has the lower cover to the surface swing joint of lower cover has the upper cover, and the internally mounted of lower cover has sealed the pad moreover. This sealing device of chemical centrifugal pump axle head, the operator will overlap down and go up the cover parcel in the junction of the pump body and motor, remove the lug in the inside in location chamber after that, drive sealed the pad and install in the inside of overlapping down, the lug is connected with the location chamber after that and the installation piece constitutes the interference with the installation cavity and is connected, will seal up to fill up through the lower cover in the joint gap department of the pump body and motor to the realization is convenient for carry out the purpose sealed to the chemical centrifugal pump axle head.
Description
Technical Field
The utility model relates to the technical field of sealing devices, in particular to a sealing device for a shaft end of a chemical centrifugal pump.
Background
The chemical centrifugal pump is a centrifugal pump applied to the chemical field, and compared with other pumps, the chemical centrifugal pump has the advantages of simple structure, difficulty in abrasion, stability in operation, low noise, uniform water outlet, convenience in adjustment, high efficiency and the like, so that the chemical centrifugal pump is widely applied;
the working principle of the chemical centrifugal pump is that under the condition that the pump is filled with water, the impeller rotates to generate centrifugal force, water in the impeller channel is thrown to the periphery under the action of the centrifugal force and flows into the pump shell, so that the central pressure of the impeller is reduced, the pressure is lower than the pressure in the water inlet pipe, and the water flows into the impeller from the water suction pool under the action of the pressure difference. Therefore, the water pump can continuously absorb water and continuously supply water.
This prior art solution also has the following problems in use;
1. the chemical centrifugal pump is lack of a certain sealing function in the use process, so that the chemical centrifugal pump is likely to contact with air in the use process, and the efficiency of the chemical centrifugal pump is reduced;
2. the sealing device at the shaft end of the chemical centrifugal pump lacks a structure convenient for butt joint in the use process, so that a large amount of time can be wasted in the use process of the sealing device at the shaft end of the chemical centrifugal pump, and the production efficiency is shortened.
Improvements are needed to address the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing device for the shaft end of a chemical centrifugal pump, which solves the problems that the prior chemical centrifugal pump in the background art lacks a sealing function to a certain extent, so that the chemical centrifugal pump is likely to contact with air in the use process, thereby reducing the efficiency of the chemical centrifugal pump, and the sealing device for the shaft end of the chemical centrifugal pump lacks a structure convenient for butt joint in the use process, thereby wasting a large amount of time in the use process and shortening the production efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme: a sealing device for the shaft end of a chemical centrifugal pump comprises:
the surface of the bottom plate is connected with a pump body, and one side surface of the pump body is connected with a motor;
the bracing piece, the perpendicular connection is on the surface of bottom plate, and the top swing joint of bracing piece has the telescopic link, and the one end fixedly connected with locating lever of the relative bracing piece of telescopic link, and the one end surface of locating lever is connected with the lower cover, and the surface activity of lower cover is connected with the upper cover, and the internally mounted of lower cover has sealed the pad, and the sealed one side fixed surface that fills up is connected with the lug, and the surface connection of lug in the location chamber, and the lug is connected with the location chamber, and the sealed one side fixed surface that fills up is connected with the installation piece of rubber material, and the surface connection of installation piece has the identical installation cavity of shape with it, and the installation piece constitutes the interference with the installation cavity and is connected.
Preferably, the telescopic rod is connected with the following surfaces:
the two sliding blocks are T-shaped and are vertically and fixedly connected to the surface of the telescopic rod relative to the transverse midline of the telescopic rod;
the surface of sliding block is connected with size and its assorted sliding tray, and sliding block and sliding tray constitute sliding connection structure, according to this structure, are convenient for remove the telescopic link.
Preferably, the inside horizontal pole that is provided with of bracing piece, and the one end surface swing joint of horizontal pole has the cardboard to a side surface of cardboard is connected with the spring, and the cardboard passes through the spring and constitutes elasticity interlock structure in the one end of horizontal pole moreover, according to this structure, is convenient for fix the telescopic link.
Preferably, one side of the upper sleeve is provided with:
the guide post, one end vertical fixed connection is on last cover one side surface, and the surface of guide post is connected with the uide bushing to the uide bushing is seted up on the surface of lower cover, and the guide post constitutes the gomphosis structure with the uide bushing moreover, according to this structure, is convenient for dock upper cover and lower cover.
Preferably, the surface of one side of the lower sleeve is in through connection with a rotating shaft, the surface of the rotating shaft is movably connected with a U-shaped rotating plate, the opening size of the surface of one side of the rotating plate is matched with the surface size of the rotating plate, and the rotating plate is convenient to drive to rotate according to the structure.
Preferably, the surface of rotor plate perpendicular through connection has the fixed pin, and the rotor plate passes through the fixed pin and fixes with last cover, according to this structure, is convenient for overlap and lower cover butt joint stability.
Compared with the prior art, the utility model has the beneficial effects that: this sealing device of chemical centrifugal pump axle head is provided with sealed the pad, lug and installation piece, will seal up to fill up through lower cover in the joint gap department of the pump body and motor, thereby realize being convenient for carry out the purpose sealed to chemical centrifugal pump axle head, be provided with the sliding block after that, cardboard and spring, it is stable after the one end surface lift of bracing piece with the telescopic link, the realization is convenient for carry out the purpose of extension to sealing device, be provided with the guide post simultaneously, rotor plate and fixed pin, will lower cover and upper cover dock after fixing, the realization is convenient for carry out the purpose of butt joint to lower cover and upper cover.
1. This sealing device of chemical centrifugal pump axle head is provided with sealed the pad, lug and installation piece, the operator will overlap down and go up the cover parcel in the junction of the pump body and motor, remove the lug in the inside in location chamber after that, drive sealed the pad and install in the inside of overlap down, the lug is connected with the location chamber after that and the installation piece constitutes the interference with the installation chamber and is connected, will seal up and fill up through the lower cover in the joint gap department of the pump body and motor, thereby the realization is convenient for carry out the purpose sealed to the chemical centrifugal pump axle head.
2. This sealing device of chemical centrifugal pump axle head is provided with the sliding block, cardboard and spring, the operator removes the sliding block in the inside of sliding tray, it removes at the one end surface of bracing piece to drive the telescopic link, it extrudes the spring to drive the cardboard simultaneously, then the sliding block constitutes sliding connection structure and cardboard passes through the spring and constitutes elasticity interlock structure in the one end of horizontal pole with the sliding tray, it is stable after the one end surface lift of bracing piece with the telescopic link, the realization is convenient for carry out the purpose that prolongs to sealing device.
3. This sealing device of chemical centrifugal pump axle head is provided with the guide post, rotor plate and fixed pin, the operator removes the guide post in the inside of uide bushing, drive lower cover and last cover and dock, rotate the rotor plate on the surface of pivot after that, the guide post constitutes gomphosis structure and rotor plate through fixed pin and last cover with the uide bushing after that and fix, it is fixed after the butt joint with last cover to overlap down, the realization is convenient for carry out the purpose of butt joint to lower cover and last cover.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the lower case according to the present invention;
FIG. 3 is a schematic cross-sectional view of the extension pole of the present invention;
fig. 4 is a schematic view of the connection of the rotating plate of the present invention.
In the figure: 1. a base plate; 2. a pump body; 3. a motor; 4. a support bar; 5. a telescopic rod; 6. positioning a rod; 7. sleeving; 8. sleeving; 9. a gasket; 10. a bump; 11. a positioning cavity; 12. mounting blocks; 13. a mounting cavity; 14. a slider; 15. a sliding groove; 16. a cross bar; 17. clamping a plate; 18. a spring; 19. a guide post; 20. a guide sleeve; 21. a rotating shaft; 22. a rotating plate; 23. and fixing the pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a sealing device for the shaft end of a chemical centrifugal pump comprises: the pump comprises a bottom plate 1, wherein the surface of the bottom plate 1 is connected with a pump body 2, and the surface of one side of the pump body 2 is connected with a motor 3; the supporting rod 4 is vertically connected on the surface of the bottom plate 1, the top of the supporting rod 4 is movably connected with an expansion rod 5, one end of the expansion rod 5, which is opposite to the supporting rod 4, is fixedly connected with a positioning rod 6, one end of the positioning rod 6 is connected with a lower sleeve 7, the surface of the lower sleeve 7 is movably connected with an upper sleeve 8, a sealing gasket 9 is arranged in the lower sleeve 7, one side surface of the sealing gasket 9 is fixedly connected with a lug 10, the surface of the lug 10 is connected with a positioning cavity 11, the lug 10 is connected with the positioning cavity 11, one side surface of the sealing gasket 9 is fixedly connected with a mounting block 12 made of rubber material, the surface of the mounting block 12 is connected with a mounting cavity 13 with a shape matched with the lug, the mounting block 12 and the mounting cavity 13 form interference connection, an operator wraps the lower sleeve 7 and the upper sleeve 8 at the joint of the pump body 2 and the motor 3, and then moves the lug 10 in the positioning cavity 11, the sealing gasket 9 is driven to be installed inside the lower sleeve 7, then the bump 10 is connected with the positioning cavity 11, the installation block 12 is in interference fit connection with the installation cavity 13, and the sealing gasket 9 is plugged at a connection gap between the pump body 2 and the motor 3 through the lower sleeve 7, so that the purpose of conveniently sealing the shaft end of the chemical centrifugal pump is achieved;
the surface of the telescopic rod 5 is connected: the two sliding blocks 14 are in a T shape and are vertically and fixedly connected to the surface of the telescopic rod 5 relative to the transverse middle parting line of the telescopic rod 5; the surface of the sliding block 14 is connected with a sliding groove 15 with the size matched with the sliding block, and the sliding block 14 and the sliding groove 15 form a sliding connection structure, a cross bar 16 is arranged inside the supporting rod 4, a clamping plate 17 is movably connected with the surface of one end of the cross bar 16, and one side surface of the catch plate 17 is connected with a spring 18, and the catch plate 17 forms an elastic linkage structure at one end of the cross bar 16 through the spring 18, so that an operator moves the sliding block 14 in the sliding groove 15, drives the telescopic rod 5 to move on one end surface of the support rod 4, and simultaneously drives the catch plate 17 to extrude the spring 18, then the sliding block 14 and the sliding groove 15 form a sliding connection structure, the clamping plate 17 forms an elastic linkage structure at one end of the cross rod 16 through the spring 18, the telescopic rod 5 is stable after the surface of one end of the supporting rod 4 is lifted, and the purpose of conveniently extending the sealing device is achieved;
go up 8 side tables of cover and set up: one end of a guide post 19 is vertically and fixedly connected on the surface of one side of the upper sleeve 8, the surface of the guide post 19 is connected with a guide sleeve 20, the guide sleeve 20 is arranged on the surface of the lower sleeve 7, the guide post 19 and the guide sleeve 20 form a jogged structure, the surface of one side of the lower sleeve 7 is connected with a rotating shaft 21 in a penetrating way, the surface of the rotating shaft 21 is movably connected with a U-shaped rotating plate 22, the opening size of one side surface of the rotating plate 22 is matched with the surface size of the rotating plate 22, the surface of the rotating plate 22 is connected with a fixing pin 23 in a penetrating way, the rotating plate 22 is fixed with the upper sleeve 8 through the fixing pin 23, an operator moves the guide post 19 in the guide sleeve 20 to drive the lower sleeve 7 and the upper sleeve 8 to be butted, then the rotating plate 22 is rotated on the surface of the rotating shaft 21, then the guide post 19 and the guide sleeve 20 form a jogged structure, and the rotating plate 22 is fixed with the upper sleeve 8 through the fixing pin 23, the lower sleeve 7 and the upper sleeve 8 are fixed after being butted, so that the aim of conveniently butting the lower sleeve 7 and the upper sleeve 8 is fulfilled.
In summary, the following steps: the sealing device using the shaft end of the chemical centrifugal pump adopts the working principle that under the condition that the pump is filled with water, an impeller rotates to generate centrifugal force, the water in an impeller channel is thrown to the periphery to flow into a pump shell under the action of the centrifugal force, so that the central pressure of the impeller is reduced and is lower than the pressure in a water inlet pipe, the water flows into the impeller from a water suction pool under the action of the pressure difference, then a sealing gasket 9, a convex block 10 and a mounting block 12 are arranged, the sealing gasket 9 is filled in a connecting gap between a pump body 2 and a motor 3 through a lower sleeve 7, thereby realizing the purpose of conveniently sealing the shaft end of the chemical centrifugal pump, then a sliding block 14, a clamping plate 17 and a spring 18 are arranged, a telescopic rod 5 is stable after the surface of one end of a supporting rod 4 is lifted, the purpose of conveniently prolonging the sealing device is realized, and simultaneously a guide column 19, a rotating plate 22 and a fixing pin 23 are arranged, the lower sleeve 7 and the upper sleeve 8 are fixed after being butted, so that the aim of conveniently butting the lower sleeve 7 and the upper sleeve 8 is fulfilled, which is the characteristic of a sealing device at the shaft end of a chemical centrifugal pump, and the content which is not described in detail in the description belongs to the prior art which is well known by a person skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A sealing device of a shaft end of a chemical centrifugal pump; it is characterized by comprising:
the pump comprises a bottom plate (1), wherein the surface of the bottom plate (1) is connected with a pump body (2), and the surface of one side of the pump body (2) is connected with a motor (3);
the supporting rod (4) is vertically connected to the surface of the bottom plate (1), the top of the supporting rod (4) is movably connected with a telescopic rod (5), one end of the telescopic rod (5) opposite to the supporting rod (4) is fixedly connected with a positioning rod (6), one end of the positioning rod (6) is connected with a lower sleeve (7), the surface of the lower sleeve (7) is movably connected with an upper sleeve (8), a sealing gasket (9) is installed inside the lower sleeve (7), a convex block (10) is fixedly connected to the surface of one side of the sealing gasket (9), the surface of the convex block (10) is connected to the positioning cavity (11), the convex block (10) is connected with the positioning cavity (11), a mounting block (12) made of rubber is fixedly connected to the surface of one side of the sealing gasket (9), and a mounting cavity (13) with the surface of the mounting block (12) in a shape matched with the mounting block, and the mounting block (12) and the mounting cavity (13) form interference connection.
2. The sealing device for the shaft end of the chemical centrifugal pump as claimed in claim 1, wherein: the surface of the telescopic rod (5) is connected with:
the two T-shaped sliding blocks (14) are vertically and fixedly connected to the surface of the telescopic rod (5) relative to the transverse middle parting line of the telescopic rod (5);
the surface of the sliding block (14) is connected with a sliding groove (15) with the size matched with the sliding block, and the sliding block (14) and the sliding groove (15) form a sliding connection structure.
3. The sealing device for the shaft end of the chemical centrifugal pump as claimed in claim 1, wherein: the utility model discloses a support bar, including bracing piece (4), bracing piece (4) inside is provided with horizontal pole (16), and the one end surface swing joint of horizontal pole (16) has cardboard (17), and one side surface of cardboard (17) is connected with spring (18), and cardboard (17) pass through spring (18) and constitute elastic linkage structure in the one end of horizontal pole (16).
4. The sealing device for the shaft end of the chemical centrifugal pump as claimed in claim 1, wherein: one side of the upper sleeve (8) is provided with:
one end of the guide post (19) is vertically and fixedly connected to one side surface of the upper sleeve (8), the surface of the guide post (19) is connected with the guide sleeve (20), the guide sleeve (20) is arranged on the surface of the lower sleeve (7), and the guide post (19) and the guide sleeve (20) form a chimeric structure.
5. The sealing device for the shaft end of the chemical centrifugal pump as claimed in claim 1, wherein: the surface of one side of the lower sleeve (7) is connected with a rotating shaft (21) in a penetrating way, the surface of the rotating shaft (21) is movably connected with a U-shaped rotating plate (22), and the opening size of the surface of one side of the rotating plate (22) is matched with the surface size of the rotating plate (22).
6. The sealing device for the shaft end of the chemical centrifugal pump as claimed in claim 5, wherein: the surface of the rotating plate (22) is vertically connected with a fixing pin (23) in a penetrating manner, and the rotating plate (22) is fixed with the upper sleeve (8) through the fixing pin (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122581893.1U CN216044591U (en) | 2021-10-26 | 2021-10-26 | Sealing device for shaft end of chemical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122581893.1U CN216044591U (en) | 2021-10-26 | 2021-10-26 | Sealing device for shaft end of chemical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216044591U true CN216044591U (en) | 2022-03-15 |
Family
ID=80611383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122581893.1U Active CN216044591U (en) | 2021-10-26 | 2021-10-26 | Sealing device for shaft end of chemical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216044591U (en) |
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2021
- 2021-10-26 CN CN202122581893.1U patent/CN216044591U/en active Active
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