CN215486781U - Leak protection mechanism for centrifugal pump - Google Patents
Leak protection mechanism for centrifugal pump Download PDFInfo
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- CN215486781U CN215486781U CN202122135567.8U CN202122135567U CN215486781U CN 215486781 U CN215486781 U CN 215486781U CN 202122135567 U CN202122135567 U CN 202122135567U CN 215486781 U CN215486781 U CN 215486781U
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- centrifugal pump
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Abstract
The utility model relates to the technical field of centrifugal pumps, and provides a leakage-proof mechanism for a centrifugal pump, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a motor, a sealing shell and the centrifugal pump; the sealing shell is fixedly connected with the centrifugal pump, a first sealing mechanism for preventing water leakage is arranged in the sealing shell, and a second sealing mechanism for preventing water is arranged at the right end of the sealing shell; the left end of the first sealing mechanism is fixedly connected with the centrifugal pump, and the right end of the second sealing mechanism is fixedly connected with the output shaft of the motor. Through above-mentioned technical scheme, solved the current centrifugal pump among the prior art after long-time the use, the leakproofness descends, leaks easily and is not convenient for more smooth problem.
Description
Technical Field
The utility model relates to the technical field of centrifugal pumps, in particular to a leakage-proof mechanism for a centrifugal pump.
Background
Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.
The sealing plug of the existing centrifugal pump is fixed, after the centrifugal pump is used for a long time, the sealing plug rubs with the shaft for a long time, the sealing performance of the sealing plug is reduced, and the sealing plug is inconvenient to install and disassemble during replacement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a leakage-proof mechanism for a centrifugal pump, which solves the problem of the leakage-proof mechanism for the centrifugal pump in the related technology.
The technical scheme of the utility model is as follows:
a leak-proof mechanism for a centrifugal pump comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a motor, a sealing shell and the centrifugal pump; the sealing shell is fixedly connected with the centrifugal pump, a first sealing mechanism for preventing water leakage is arranged in the sealing shell, and a second sealing mechanism for preventing water is arranged at the right end of the sealing shell; the left end of the first sealing mechanism is fixedly connected with the centrifugal pump, and the right end of the second sealing mechanism is fixedly connected with the output shaft of the motor; the motor can drive the centrifugal pump to rotate to work through the first sealing mechanism and the second sealing mechanism when rotating, and water can be prevented from leaking out through the first sealing mechanism, the second sealing mechanism and the sealing shell when the centrifugal pump works.
The first sealing mechanism comprises a first connecting cylinder, a first connecting rod, a waterproof rotary disc and a first spring; the first sealing mechanism can prevent water in the sealing shell from leaking outwards from the connection part of the first sealing mechanism and the sealing shell when the centrifugal pump works.
The left end of the first connecting cylinder is fixedly connected with the centrifugal pump, a first connecting rod is in clearance fit with the first connecting cylinder, first sliding grooves are symmetrically formed in the front side and the rear side of the surface of the first connecting cylinder, first sliding blocks are connected in the first sliding grooves in a sliding mode, and the first sliding blocks are fixedly connected with the first connecting rod; the left end of the first spring is fixedly connected with the first connecting cylinder, and the right end of the first spring is fixedly connected with the first connecting rod; can play through first slider and first spout and make the head rod can also drive a connecting cylinder and rotate in first connecting cylinder gliding, can make the head rod drive waterproof carousel can be inseparable all the time and the laminating of sealed shell inner wall through first spring, can drive the arc on its surface when rotating through waterproof carousel and rotate, the arc can throw away the water that flows near waterproof carousel when rotating.
The right end of the first connecting rod is fixedly connected with the waterproof turntable, the surface of the waterproof turntable is uniformly and fixedly connected with a plurality of arc-shaped plates, and the right end of the waterproof turntable is attached to the inner wall of the right end of the sealing shell; the arc plate on the surface of the waterproof turntable can be driven to rotate when the waterproof turntable rotates, and water flowing to the position near the waterproof turntable can be thrown away when the arc plate rotates.
The second sealing mechanism comprises a second connecting cylinder, a second connecting rod, a sealing disc and a second spring; the second sealing mechanism can prevent water in the sealing shell from leaking outwards from the joint of the second sealing mechanism and the sealing shell when the centrifugal pump works, and the water leakage preventing effect of the device is further improved.
The right end of the second connecting cylinder is fixedly connected with the left end of the output shaft of the motor, the second connecting cylinder is in clearance fit with the second connecting rod, second sliding grooves are symmetrically formed in the front side and the rear side of the surface of the second connecting cylinder, second sliding blocks are connected in the second sliding grooves in a sliding mode, and the second sliding blocks are fixedly connected with the second connecting rod; the right end of the second spring is fixedly connected with the second connecting cylinder, and the left end of the second spring is fixedly connected with the second connecting rod; drive the second connecting cylinder through the motor rotation time and rotate, under the effect of second spout and second slider, the second connecting rod can slide in the second connecting cylinder and can also be driven by the second connecting cylinder and rotate simultaneously, can make the second connecting rod can drive sealed dish laminating inseparable all the time at sealed shell surface through the second spring.
A plurality of sealing grooves are uniformly formed in the surface of the right end of the sealing shell, a plurality of sealing blocks are uniformly and fixedly connected to the left end of the sealing disc, the sealing blocks are in clamping fit with the sealing grooves, and the sealing blocks and the sealing grooves are uniform and circular; through sealed inseparable block of sealed piece of sealed dish drive and seal groove, can effectually prevent that water from flowing out in the sealed shell, further promotion the device put the effect of leaking water.
A rectangular groove is formed in the second connecting rod, a rectangular rod is connected in the rectangular groove in a sliding mode, and the left end of the rectangular rod is fixedly connected with the first connecting rod; when the second connecting rod rotates, the rectangular rod can be driven to rotate through the rectangular groove in the second connecting rod, the rectangular rod can drive the first sealing mechanism to rotate, and meanwhile, the rectangular rod can slide in the rectangular groove, so that the device is convenient to detach and install.
The working principle and the beneficial effects of the utility model are as follows:
the device drives a first connecting rod and a waterproof turntable to be attached to the inner wall of a sealing shell through a first spring, and when the first connecting rod drives a sealing disc to rotate, the sealing disc drives an arc plate on the surface of the sealing disc to throw away water flowing to the position of the sealing disc; can drive the second connecting rod and seal the inseparable and seal the seal groove block on sealed shell surface of dish through the second spring, can effectually prevent that the water in the sealed shell from leaking out under the effect of the sealed piece on sealed dish surface, can be when sealed piece and sealed carousel wearing and tearing part through first spring and second spring, can also make the sealed shell surface of laminating that sealed piece and sealed carousel are inseparable, the first connecting rod passes through rectangular rod and second connecting rod sliding connection, can play when first sealing mechanism and second sealing mechanism need to be changed, be convenient for dismantle and the effect of installation.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of A in FIG. 1;
FIG. 3 is a schematic structural view in partial cross-section of a front view of the present invention;
FIG. 4 is an enlarged view of B in FIG. 3;
FIG. 5 is a schematic structural view in partial cross-section of a front view of the present invention;
FIG. 6 is an enlarged view of C in FIG. 5;
fig. 7 is an enlarged schematic view of D in fig. 6.
In the figure: 1-bottom plate, 2-motor, 3-sealing shell, 4-centrifugal pump, 5-first connecting cylinder, 6-first connecting rod, 7-waterproof rotary table, 8-first spring, 9-first sliding chute, 10-first sliding block, 11-arc plate, 12-second connecting cylinder, 13-second connecting rod, 14-sealing disc, 15-second spring, 16-second sliding chute, 17-second sliding block, 18-sealing groove, 19-sealing block, 20-rectangular groove and 21-rectangular rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 inventive step, are intended to be within the scope of the present invention.
Example 1
As shown in fig. 1 and fig. 3, the embodiment provides a leakage-proof mechanism for a centrifugal pump, which includes a bottom plate 1, wherein a motor 2, a seal housing 3 and a centrifugal pump 4 are fixedly connected to the upper end of the bottom plate 1; the sealing shell 3 is fixedly connected with the centrifugal pump 4, a first sealing mechanism for preventing water leakage is arranged in the sealing shell 3, and a second sealing mechanism for preventing water is arranged at the right end of the sealing shell 3; the left end of the first sealing mechanism is fixedly connected with the centrifugal pump 4, and the right end of the second sealing mechanism is fixedly connected with the output shaft of the motor 2.
In this embodiment, when the motor 2 rotates, the first sealing mechanism and the second sealing mechanism can drive the centrifugal pump 4 to rotate, and the first sealing mechanism, the second sealing mechanism and the sealing shell 3 can prevent water from leaking out when the centrifugal pump 4 works.
Example 2
As shown in fig. 3 to 4, based on the same concept as that of embodiment 1 described above, the present embodiment also proposes that the first sealing mechanism includes a first connecting cylinder 5, a first connecting rod 6, a waterproof dial 7, and a first spring 8.
In this embodiment, when the centrifugal pump 4 is in operation, the first sealing mechanism can prevent the water in the seal housing 3 from leaking out from the connection between the first sealing mechanism and the seal housing 3.
Example 3
As shown in fig. 3 to 4, based on the same concept as that of the above embodiment 1, the present embodiment further proposes that the left end of the first connecting cylinder 5 is fixedly connected to the centrifugal pump 4, the first connecting rod 6 is in clearance fit with the first connecting cylinder 5, the front side and the rear side of the surface of the first connecting cylinder 5 are symmetrically provided with first sliding grooves 9, the first sliding grooves 9 are slidably connected with first sliding blocks 10, and the first sliding blocks 10 are fixedly connected with the first connecting rod 6; the left end of the first spring 8 is fixedly connected with the first connecting cylinder 5, and the right end of the first spring 8 is fixedly connected with the first connecting rod 6.
In this embodiment, can play through first slider 10 and first spout 9 and make head rod 6 can also drive first connecting cylinder 5 and rotate when first connecting cylinder 5 is gliding, can make head rod 6 drive waterproof carousel 7 can be inseparable all the time with the laminating of 3 inner walls of sealed shell through first spring 8, can drive the arc 11 rotation on its surface when rotating through waterproof carousel 7, arc 11 can throw away the water that flows near waterproof carousel 7 when rotating.
Example 4
As shown in fig. 5 to 6, based on the same concept as that of the above embodiment 1, the present embodiment further provides that the right end of the first connecting rod 6 is fixedly connected to the waterproof turntable 7, the surface of the waterproof turntable 7 is uniformly and fixedly connected to the plurality of arc-shaped plates 11, and the right end of the waterproof turntable 7 is attached to the inner wall of the right end of the sealing shell 3.
In this embodiment, can drive the arc 11 on its surface to rotate when rotating through waterproof carousel 7, the arc 11 can throw away the water that flows near waterproof carousel 7 when rotating.
Example 5
As shown in fig. 1 to 2, the present embodiment also proposes that the second sealing mechanism includes a second connecting cylinder 12, a second connecting rod 13, a sealing disk 14, and a second spring 15, based on the same concept as that of embodiment 1 described above.
In this embodiment, when the centrifugal pump 4 works, the second sealing mechanism can prevent the water in the sealing shell 3 from leaking outwards from the joint of the second sealing mechanism and the sealing shell 3, and the effect of preventing the water leakage of the device is further improved.
Example 6
As shown in fig. 2, based on the same concept as that of embodiment 1, the present embodiment further proposes that the right end of the second connecting cylinder 12 is fixedly connected to the left end of the output shaft of the motor 2, the second connecting cylinder 12 is in clearance fit with the second connecting rod 13, the front side and the rear side of the surface of the second connecting cylinder 12 are symmetrically provided with second sliding grooves 16, the second sliding grooves 16 are slidably connected with second sliding blocks 17, and the second sliding blocks 17 are fixedly connected with the second connecting rod 13; the right end of the second spring 15 is fixedly connected with the second connecting cylinder 12, and the left end of the second spring 15 is fixedly connected with the second connecting rod 13.
In this embodiment, drive second connecting cylinder 12 and rotate when rotating through motor 2, under the effect of second spout 16 and second slider 17, second connecting rod 13 can slide in second connecting cylinder 12 and can also be driven by second connecting cylinder 12 and rotate simultaneously, can make second connecting rod 13 can drive sealed dish 14 laminating inseparable all the time on sealed shell 3 surface through second spring 15.
Example 7
As shown in fig. 5 to 7, based on the same concept as that of embodiment 1, this embodiment further proposes that a plurality of sealing grooves 18 are uniformly formed on the right end surface of the sealing shell 3, a plurality of sealing blocks 19 are uniformly and fixedly connected to the left end of the sealing disc 14, the sealing blocks 19 are in snap fit with the sealing grooves 18, and the sealing blocks 19 and the sealing grooves 18 are uniformly circular.
In this embodiment, drive the inseparable block of sealed piece 19 and seal groove 18 block through sealed dish 14, can effectually prevent that water from flowing out in sealed shell 3, further promotion the device effect of leaking water.
Example 8
As shown in fig. 5 to 6, based on the same concept as that of embodiment 1, the present embodiment further proposes that a rectangular groove 20 is formed inside the second connecting rod 13, a rectangular rod 21 is slidably connected in the rectangular groove 20, and the left end of the rectangular rod 21 is fixedly connected to the first connecting rod 6.
In this embodiment, the second connecting rod 13 can drive the rectangular rod 21 to rotate through the rectangular groove 20 therein when rotating, the rectangular rod 21 can drive the first sealing mechanism to rotate, and the rectangular rod 21 can slide in the rectangular groove 20, so that the device is convenient to detach and install.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The leakproof mechanism for the centrifugal pump is characterized by comprising a bottom plate (1), wherein the upper end of the bottom plate (1) is fixedly connected with a motor (2), a sealing shell (3) and the centrifugal pump (4); the sealing shell (3) is fixedly connected with the centrifugal pump (4), a first sealing mechanism for preventing water leakage is arranged in the sealing shell (3), and a second sealing mechanism for preventing water is arranged at the right end of the sealing shell (3); the left end of the first sealing mechanism is fixedly connected with the centrifugal pump (4), and the right end of the second sealing mechanism is fixedly connected with the output shaft of the motor (2).
2. A leakage prevention mechanism for a centrifugal pump according to claim 1, wherein the first sealing mechanism comprises a first connection cylinder (5), a first connection rod (6), a waterproof turntable (7) and a first spring (8).
3. The leakage-proof mechanism for the centrifugal pump according to claim 2, wherein the left end of the first connecting cylinder (5) is fixedly connected with the centrifugal pump (4), the first connecting rod (6) is in clearance fit with the first connecting cylinder (5), the front side and the rear side of the surface of the first connecting cylinder (5) are symmetrically provided with first sliding grooves (9), the first sliding grooves (9) are internally and slidably connected with first sliding blocks (10), and the first sliding blocks (10) are fixedly connected with the first connecting rod (6); the left end of the first spring (8) is fixedly connected with the first connecting cylinder (5), and the right end of the first spring (8) is fixedly connected with the first connecting rod (6).
4. The leakage-proof mechanism for the centrifugal pump according to claim 2, wherein the right end of the first connecting rod (6) is fixedly connected with the waterproof turntable (7), the surface of the waterproof turntable (7) is uniformly and fixedly connected with a plurality of arc-shaped plates (11) and the right end of the waterproof turntable (7) is attached to the inner wall of the right end of the sealing shell (3).
5. The leakage prevention mechanism for a centrifugal pump according to claim 2, wherein the second sealing mechanism comprises a second connecting cylinder (12), a second connecting rod (13), a sealing disk (14), and a second spring (15).
6. The leakage-proof mechanism for the centrifugal pump according to claim 5, wherein the right end of the second connecting cylinder (12) is fixedly connected with the left end of the output shaft of the motor (2), the second connecting cylinder (12) is in clearance fit with the second connecting rod (13), second sliding grooves (16) are symmetrically formed in the front side and the rear side of the surface of the second connecting cylinder (12), second sliding blocks (17) are slidably connected in the second sliding grooves (16), and the second sliding blocks (17) are fixedly connected with the second connecting rod (13); the right end of the second spring (15) is fixedly connected with the second connecting cylinder (12) and the left end of the second spring (15) is fixedly connected with the second connecting rod (13).
7. The leakage-proof mechanism for the centrifugal pump according to claim 5, wherein the right end surface of the seal shell (3) is uniformly provided with a plurality of seal grooves (18), the left end of the seal disk (14) is uniformly and fixedly connected with a plurality of seal blocks (19), the seal blocks (19) are in clamping fit with the seal grooves (18), and the seal blocks (19) and the seal grooves (18) are uniform and circular.
8. The leakage prevention mechanism for the centrifugal pump according to claim 5, wherein the second connecting rod (13) is internally provided with a rectangular groove (20), a rectangular rod (21) is slidably connected in the rectangular groove (20), and the left end of the rectangular rod (21) is fixedly connected with the first connecting rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122135567.8U CN215486781U (en) | 2021-09-06 | 2021-09-06 | Leak protection mechanism for centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122135567.8U CN215486781U (en) | 2021-09-06 | 2021-09-06 | Leak protection mechanism for centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215486781U true CN215486781U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122135567.8U Active CN215486781U (en) | 2021-09-06 | 2021-09-06 | Leak protection mechanism for centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215486781U (en) |
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2021
- 2021-09-06 CN CN202122135567.8U patent/CN215486781U/en active Active
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