CN220499000U - Disassembling and assembling wrench for lock nut of Roots vacuum pump - Google Patents
Disassembling and assembling wrench for lock nut of Roots vacuum pump Download PDFInfo
- Publication number
- CN220499000U CN220499000U CN202322172415.4U CN202322172415U CN220499000U CN 220499000 U CN220499000 U CN 220499000U CN 202322172415 U CN202322172415 U CN 202322172415U CN 220499000 U CN220499000 U CN 220499000U
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- China
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- lock nut
- mounting hole
- vacuum pump
- clamping wheel
- roots vacuum
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- 230000006378 damage Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 11
- 230000006978 adaptation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to the field of vacuum pump maintenance, in particular to a wrench for disassembling and assembling a lock nut of a Roots vacuum pump. When the clamping wheel is used, the clamping wheel is assembled into the mounting hole, the limiting piece is used for limiting and fixing, the positioning block is aligned with the groove on the lock nut and meshed, the wrench handle is moved to rotate and disassemble, the whole process is simple to operate, the lock nut is not required to be knocked, damage and injury to the lock nut are small, hidden danger is not easy to leave, labor is saved, and time is saved.
Description
Technical Field
The utility model relates to the field of vacuum pump maintenance, in particular to a wrench for disassembling and assembling a lock nut of a Roots vacuum pump.
Background
The lock nut is an important part for fixing the rotor of the vacuum pump, and is mainly used for ensuring that the rotor does not longitudinally move in the high-speed running process and keeping the rotor stable. In the daily maintenance or overhaul process, the process of disassembling and assembling the lock nut can be involved.
However, in the process of disassembling the lock nut, as no special wrench is used in the process of disassembling the lock nut, only a knocking mode can be used in the process of disassembling, the lock nut is easy to damage the appearance, hidden danger is left for the next disassembly of the vacuum pump, such as damage to the appearance of the lock nut, and oil pollution and increased equipment abrasion are caused when the left burrs and the like fall off in the operation process of the pump; meanwhile, in the process of frequent disassembly, the knocking mode is used for disassembling the nut, so that the service life of the lock nut is shortened, the replacement frequency of the lock nut is increased, the use cost is increased, and the manual workload is increased.
To sum up, there is a need for a disassembly wrench for a lock nut of a Roots vacuum pump, which can be matched with the lock nut, and can be disassembled on the premise of reducing damage to the lock nut, and meanwhile, the disassembly wrench is convenient to use and labor-saving.
Disclosure of Invention
Aiming at the problems, the utility model provides a disassembling spanner for a lock nut of a Roots vacuum pump, which can be matched with the lock nut, can be disassembled on the premise of reducing the damage to the lock nut, is convenient to use, and saves manpower.
The technical scheme of the utility model is as follows:
the dismounting wrench for the lock nut of the Roots vacuum pump comprises a wrench handle, wherein an installation hole is formed in the end part of the wrench handle, a clamping wheel is arranged in the installation hole and is movably connected with the installation hole, a positioning block is further arranged on the clamping wheel and is used for being meshed with the lock nut; the mounting hole side wall is further provided with a limiting piece, the limiting piece penetrates through the mounting hole side wall and is connected with the clamping wheel side wall in a clamping mode, and the limiting piece is used for fixing the relative position of the clamping wheel and the mounting hole.
Preferably, the positioning blocks are four and are uniformly distributed on the surface, away from the mounting hole, of the clamping wheel.
Preferably, the positioning block is matched with a groove on a lock nut of the Roots vacuum pump.
Preferably, the inner edge of the mounting hole is provided with a mounting groove, the surface of the clamping wheel, which is far away from the positioning block, is provided with a mounting ring, and the mounting ring is matched with the mounting groove.
Preferably, the clamping wheel is arranged in the mounting hole and exceeds the mounting hole by 0 to cm.
Preferably, the device further comprises a clamp spring, wherein the clamp spring is arranged at one end of the mounting hole away from the mounting groove and is movably connected with the clamping wheel.
Preferably, the side wall of the clamping wheel is further provided with a plurality of rectangular grooves, the rectangular grooves are uniformly distributed on two sides of each positioning block, and the limiting piece is clamped with the rectangular grooves and used for adjusting the relative positions of the clamping wheel and the mounting holes.
Preferably, the side wall of the mounting hole is provided with a through hole protruding outwards, and the limiting piece penetrates through the through hole to fix the clamping wheel on the mounting hole.
Preferably, the limiting piece comprises a pin shaft and a pin, the pin shaft penetrates through the first through hole, and the pin shaft and the rectangular groove fix the clamping wheel together.
Preferably, the limiting piece further comprises a spring, and the spring is sleeved on the pin shaft.
The beneficial effects of the utility model are as follows:
the application is when using, assemble the card wheel of this application to the mounting hole in earlier to carry out spacing fixedly with the locating piece, later align the locating piece of this application with the recess on the lock nut, and carry out the meshing, then move spanner handle, rotate and dismantle, whole process easy operation need not to strike lock nut etc. to the damage and the injury of lock nut are less, are difficult for leaving hidden danger, use manpower sparingly, save time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the wrench handle and the mounting hole of the present utility model;
FIG. 3 is a schematic view of the structure of the card wheel of the present utility model;
FIG. 4 is a schematic view of the structure of the stopper of the present utility model;
fig. 5 is a schematic structural view of the snap spring of the present utility model.
Reference numerals illustrate:
the wrench comprises a wrench handle 1, a mounting hole 2, a mounting groove 21, a through hole 22, a clamping wheel 3, a positioning block 31, a mounting ring 32, a rectangular groove 33, a clamping groove 34, a limiting piece 4, a pin shaft 41, a spring 42, a pin 43 and a clamp spring 5.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples:
as shown in fig. 1 and 3, the dismounting wrench for the lock nut of the Roots vacuum pump comprises a wrench handle 1, wherein an installation hole 2 is formed in the end part of the wrench handle 1, a clamping wheel 3 is arranged in the installation hole 2 and is movably connected with the installation hole, a positioning block 31 is further arranged on the clamping wheel 3, and the positioning block 31 is used for being meshed with the lock nut; the side wall of the mounting hole 2 is further provided with a limiting piece 4, the limiting piece 4 penetrates through the side wall of the mounting hole 2 and is connected with the side wall of the clamping wheel 3 in a clamping mode, and the limiting piece is used for fixing the relative position of the clamping wheel 3 and the mounting hole 2. When the clamping wheel 3 is used, the clamping wheel 3 is assembled with the mounting hole 2, and after the assembly is completed, the relative position of the clamping wheel 3 and the mounting hole 2 is adjusted by using the limiting piece 4, so that the assembly is completed. Because be equipped with the recess on the lock nut of roots vacuum pump, the locating piece 31 of this application and the recess looks adaptation on the roots vacuum pump lock nut, when using, with the locating piece 31 of this application with the recess meshes mutually, after the meshing is accomplished, pulls spanner handle 1, rotates etc. dismantle lock nut, whole process can not cause the damage to lock nut outward appearance, utilize locating piece 31 and recess meshing to dismantle, it is convenient to use, use the manpower sparingly, and damage little to lock nut, thereby influence less to its life, can practice thrift the cost to a certain extent.
Specifically, the four positioning blocks 31 are uniformly distributed on the surface of the clamping wheel 3 away from the mounting hole 2. The four positioning blocks 31 are arranged and correspond to the grooves on the lock nuts, and when the lock nut is used, the force is evenly applied, the balance of the force is maintained, and the disassembly is more convenient.
Specifically, the positioning block 31 is adapted to a groove on a lock nut of the Roots vacuum pump. The utility model provides a Roots vacuum pump lock nut is last to be equipped with the recess generally, in prior art, usually with the recess is the stress point, dismantles lock nut, this application has set up locating piece 31, with recess looks adaptation, when using, will locating piece 31 with the recess meshing carries out follow-up operation, uses conveniently, ingenious.
Specifically, the inner edge of the mounting hole 2 is provided with a mounting groove 21, the surface of the clamping wheel 3 away from the positioning block 31 is provided with a mounting ring 32, and the mounting ring 32 is matched with the mounting groove 21. The mounting groove 21 is a circle of groove arranged at the inner edge of the mounting hole 2, the mounting ring 32 is a circle of annular structure arranged on the clamping wheel 3 and exceeding the outer diameter of the clamping wheel 3, the mounting ring is integrally formed with the clamping wheel 3 and is matched with the size of the mounting groove 21, and the mounting ring 32 can be just embedded into the mounting groove 21, so that the clamping wheel 3 and the mounting hole 2 are preliminarily mounted.
Specifically, when the clamping wheel 3 is installed in the installation hole 2, the height exceeding the installation hole 2 is 0.5-1 cm. After the clamping wheel 3 is assembled with the mounting ring 32 and the mounting hole 2 through the mounting groove 21, one end of the clamping wheel 3, which is far away from the mounting ring 32, exceeds the mounting hole 2 by a certain height, so that when the positioning block 31 is meshed with a groove on the lock nut of the Roots vacuum pump and rotates, other parts and the like around the mounting hole 2 and the lock nut rub, the rotation operation is affected, and certain friction damage is easily caused to the device.
Specifically, the clamping spring comprises a clamping spring 5, wherein the clamping spring 5 is arranged at one end, far away from the mounting groove 21, of the mounting hole 2 and is movably connected with the clamping wheel 3. The clamping springs 5 are annular with interfaces, clamping grooves matched with the clamping springs 5 are formed in the clamping wheels 3, the clamping springs 5 are clamped in the clamping grooves 34, the interfaces of the clamping springs are fixedly connected to the edges of the mounting holes 2, the clamping springs can be connected by screws, and the like, corresponding to the clamping springs, holes are formed in the edges of the mounting holes 2 and used for mounting the clamping springs 5, and the clamping springs 5 are used for fixing the clamping wheels 3 and prevent the clamping wheels 3 from sliding down from the mounting holes 2.
Specifically, the edge of the clamping wheel 3 is further provided with a plurality of rectangular grooves 33, the rectangular grooves 33 are uniformly distributed on two sides of the positioning block 31, and the limiting piece is clamped with the rectangular grooves and used for adjusting the relative positions of the clamping wheel and the mounting hole. The rectangular groove 33 penetrates through the outer edge of the clamping wheel 3, after the clamping wheel is installed in the installation hole 2, a certain gap is reserved between the clamping wheel 3 and the installation hole 2 by the rectangular groove 33, the gap is used for being clamped with the head of the limiting piece 4, and when the relative position of the clamping wheel 3 in the installation hole 2 needs to be adjusted, the clamping of the limiting piece 4 in different rectangular grooves 33 can be achieved through adjustment.
Specifically, the side wall of the mounting hole 2 is provided with a through hole 22 protruding outwards, and the limiting piece 4 penetrates through the through hole 22 to fix the clamping wheel 3 on the mounting hole 2. The through hole 22 is a convex hole protruding outwards from the side wall of the mounting hole 2, so that the mounting and dismounting of the limiting piece 4 are facilitated.
Specifically, the limiting member 4 includes a pin 41 and a pin 43, and the pin 41 penetrates through the through hole 22 and fixes the clamping wheel 3 together with the pin 43 and the rectangular groove 33. The head of the pin 41 is located inside the mounting hole 2, the shape and size of the head of the pin 41 are matched with those of the rectangular groove 33, the pin 41 can be clamped with the rectangular groove 33, the pin 41 passes through the through hole 22, and the pin 43 fixes the pin 41. The head of the pin 41 is engaged with the rectangular groove 33, so as to fix the position of the clamping wheel 3.
Specifically, the limiting member 4 further includes a spring 42, and the spring 42 is sleeved on the pin 41. The spring 42 is sleeved on the pin 41, when the spring 42 is in a free state, the length of the spring 42 is greater than that of the pin 41, the spring 42 and the pin 41 are arranged in the through hole 22 together, when the head of the pin 41 is clamped in the rectangular groove 33, the spring 42 is in a free state, when the relative position of the clamping wheel 3 and the mounting hole 2 needs to be adjusted, the tail of the pin 41 is tensioned, namely, the pin 41 is pulled from the outside of the mounting hole 2, the spring 42 is in a compressed state, at this time, the clamping wheel 3 is rotated, after the clamping wheel is adjusted to the corresponding position, the head of the pin 41 is corresponding to the corresponding rectangular groove 33, the pin 41 is loosened, under the action of elastic deformation of the spring 43, the head of the pin 41 is clamped in the rectangular groove 33, so that the horizontal direction of the clamping wheel 3 is fixed, the relative position of the clamping wheel 3 and the mounting hole 2 is adjusted, and a certain gap is arranged between the clamping wheel 3 and the mounting hole 2 according to the actual conditions such as the length of the spring 33.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (10)
1. The utility model provides a dismouting spanner of roots vacuum pump lock nut, includes spanner handle (1), its characterized in that, spanner handle (1) tip is equipped with mounting hole (2), be equipped with card wheel (3) in mounting hole (2), card wheel with mounting hole swing joint, still be equipped with locating piece (31) on card wheel (3), locating piece (31) are used for with lock nut meshing; the side wall of the mounting hole (2) is further provided with a limiting piece (4), the limiting piece (4) penetrates through the side wall of the mounting hole (2) and is connected with the side wall of the clamping wheel (3) in a clamping mode, and the limiting piece is used for fixing the relative position of the clamping wheel (3) and the mounting hole (2).
2. The disassembling and assembling wrench for the lock nut of the Roots vacuum pump according to claim 1, wherein four positioning blocks (31) are arranged and uniformly distributed on the surface, far away from the mounting hole (2), of the clamping wheel (3).
3. The disassembling and assembling wrench for the lock nut of the Roots vacuum pump according to claim 2, wherein the positioning block (31) is matched with a groove on the lock nut of the Roots vacuum pump.
4. The dismounting wrench for the lock nut of the Roots vacuum pump according to claim 1, wherein a mounting groove (21) is formed in the inner edge of the mounting hole (2), a mounting ring (32) is arranged on the surface, away from the positioning block (31), of the clamping wheel (3), and the mounting ring (32) is matched with the mounting groove (21).
5. The disassembling and assembling wrench for the lock nut of the Roots vacuum pump according to claim 4, wherein the height of the clamping wheel (3) exceeding the mounting hole (2) is 0.5-1 cm when the clamping wheel is mounted in the mounting hole (2).
6. The dismounting wrench for the lock nut of the Roots vacuum pump according to claim 5, further comprising a clamp spring (5), wherein the clamp spring (5) is arranged at one end of the mounting hole (2) away from the mounting groove (21) and is movably connected with the clamping wheel (3).
7. The dismounting wrench for the lock nut of the Roots vacuum pump according to claim 6, wherein a plurality of rectangular grooves (33) are further formed in the side wall of the clamping wheel (3), the rectangular grooves (33) are uniformly distributed on two sides of each positioning block (31), and the limiting piece (4) is clamped with the rectangular grooves (33) and used for adjusting the relative positions of the clamping wheel (3) and the mounting hole (2).
8. The dismounting wrench for the lock nut of the Roots vacuum pump according to claim 7, wherein the side wall of the mounting hole (2) is provided with a through hole (22) protruding outwards, and the limiting piece (4) penetrates through the through hole (22) to fix the clamping wheel (3) on the mounting hole (2).
9. The wrench for removing lock nuts of Roots vacuum pumps according to claim 8, wherein the limiting member (4) comprises a pin shaft (41) and pins (43), the pin shaft (41) penetrates through the through hole (22), and the pin shaft (41) and the rectangular groove (33) fix the clamping wheel (3).
10. The dismounting wrench for the lock nut of the Roots vacuum pump according to claim 9, wherein the limiting piece (4) further comprises a spring (42), and the spring (42) is sleeved on the pin shaft (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322172415.4U CN220499000U (en) | 2023-08-14 | 2023-08-14 | Disassembling and assembling wrench for lock nut of Roots vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322172415.4U CN220499000U (en) | 2023-08-14 | 2023-08-14 | Disassembling and assembling wrench for lock nut of Roots vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220499000U true CN220499000U (en) | 2024-02-20 |
Family
ID=89875662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322172415.4U Active CN220499000U (en) | 2023-08-14 | 2023-08-14 | Disassembling and assembling wrench for lock nut of Roots vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220499000U (en) |
-
2023
- 2023-08-14 CN CN202322172415.4U patent/CN220499000U/en active Active
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