CN220525224U - Leak test detection tool for motor shell - Google Patents
Leak test detection tool for motor shell Download PDFInfo
- Publication number
- CN220525224U CN220525224U CN202322133738.2U CN202322133738U CN220525224U CN 220525224 U CN220525224 U CN 220525224U CN 202322133738 U CN202322133738 U CN 202322133738U CN 220525224 U CN220525224 U CN 220525224U
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- Prior art keywords
- motor casing
- air
- bottom plate
- air pipe
- workpiece
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 title claims description 13
- 238000009434 installation Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000012946 outsourcing Methods 0.000 claims 1
- 210000003437 trachea Anatomy 0.000 description 8
- 238000007599 discharging Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010030 laminating Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a motor casing leakage test fixture which is used for fixing a motor casing and comprises a workpiece bottom plate, wherein an inner diameter positioning column, a radial limiting block and two workpiece limiting columns are fixedly connected to the surface of the workpiece bottom plate, the inner diameter positioning column comprises an inner column with a hollow structure, an air bag is sleeved on the outer side wall of the inner column, a rubber sleeve is coated outside the air bag, an air pump is fixedly arranged on the inner bottom wall of the inner column, a first air pipe is arranged at the air inlet end of the air pump, a second air pipe is arranged at the air outlet end of the air pump, the second air pipe is abutted to the inner top wall of the inner column, the first air pipe penetrates through the bottom wall of the inner column and extends out of the workpiece bottom plate, a plurality of air pipes are inserted at equal intervals in the circumferential direction of the second air pipe, and one end of each air pipe far away from the second air pipe penetrates through the side wall of the inner column and is communicated with the air bag.
Description
Technical Field
The utility model relates to the technical field of motor casing tools, in particular to a motor casing leakage test detection tool.
Background
The rapid development of new energy automobiles brings great development opportunities to driving motors, and the development of motor technology becomes a focus of industrial attention. The motor casing leakage testing device has the advantages that higher requirements are provided for leakage testing of motor casings with special shapes, the motor casings are required to be guided and positioned in the inner diameter during leakage testing, meanwhile, the motor casings are required to be prevented from shaking left and right during leakage testing, feeding and discharging operations of the motor casings are facilitated, and therefore a tool for accurately positioning the motor casings during leakage testing of the motor casings is required to be developed and designed.
Disclosure of Invention
The utility model aims to provide a motor casing leakage test tool, which solves the problems in the prior art, ensures that the motor casing is accurate in guiding and positioning and inner diameter positioning, is simple in feeding and discharging operation, and improves the stability of the motor casing in the leakage test process.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a motor casing leakage test detection tool which is used for fixing a motor casing and comprises a workpiece bottom plate, wherein an inner diameter positioning column, a radial limiting block and two workpiece limiting columns are fixedly connected to the surface of the workpiece bottom plate, the inner diameter positioning column is positioned in the center of the surface of the workpiece bottom plate, the two workpiece limiting columns are symmetrically arranged on two sides of the inner diameter positioning column, the inner diameter positioning column comprises an inner column with a hollow structure, an air bag is sleeved on the outer side wall of the inner column, a rubber sleeve is coated outside the air bag, an air pump is fixedly installed on the inner bottom wall of the inner column, a first air pipe is installed at the air inlet end of the air pump, a second air pipe is installed at the air outlet end of the air pump, the second air pipe is in butt joint with the inner top wall of the inner column, the first air pipe penetrates through the bottom wall of the inner column and extends out of the workpiece bottom plate, a plurality of air pipes are inserted at equal intervals in the circumferential direction, and one end of each air pipe, which is far away from the second air pipe, penetrates through the side wall of the inner column and is communicated with the air bag.
Preferably, the motor casing is located between two the workpiece limiting columns, and the outer wall of the motor casing is abutted to the workpiece limiting columns.
Preferably, the end face of the motor casing is abutted to the side wall of the radial limiting block, and is kept flush with the radial limiting block.
Preferably, the outer side wall of the rubber sleeve is attached to the inner wall of the motor casing.
Preferably, the air bag is fixedly connected with the outer side wall of the inner column, the rubber sleeve is fixedly connected with the air bag, and the rubber sleeve is fixedly connected with the outer side wall of the inner column.
Preferably, the plurality of gas delivery pipes are sequentially arranged at intervals from top to bottom.
Preferably, an air pipe installation groove is formed in the workpiece bottom plate, and the first air pipe extends out of the workpiece bottom plate through the air pipe installation groove.
Preferably, a filter cover is fixedly arranged at one end of the first air pipe extending out of the workpiece bottom plate.
The utility model discloses the following technical effects: according to the utility model, the inner diameter positioning column, the radial limiting block and the two workpiece limiting columns are arranged on the workpiece bottom plate for the modeling of the motor casing, so that the motor casing can be guided and radially positioned on the surface of the workpiece bottom plate, the positioning precision of the motor casing is ensured, the feeding and discharging operation of the motor casing is simple, and meanwhile, the two workpiece limiting columns can prevent the motor casing from shaking left and right in the leakage test process; the air pump, the first air pipe, the second air pipe and the air pipe can be used for inflating the air bag, so that the air bag swells to drive the rubber sleeve to swell along with the air bag swells to form outwards expanding force, the rubber sleeve is further tightly attached to the inner wall of the motor casing, the stability of the motor casing is improved, the air pump can be used for exhausting the air bag, the attaching force of the rubber sleeve and the inner wall of the motor casing is reduced, and the motor casing is convenient to carry out blanking operation.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a three-dimensional view of the use state of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of the inner diameter limiting column of the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3A;
FIG. 5 is a top view of the inner diameter limiting post structure of the present utility model;
FIG. 6 is a side view of a workpiece floor of the present utility model;
1, a motor shell; 2. a workpiece bottom plate; 3. an inner diameter positioning column; 4. a radial limiting block; 5. a workpiece limiting column; 6. an air pipe installation groove; 7. a filter cover; 31. an inner column; 32. an air bag; 33. a rubber sleeve; 34. an air pump; 35. a first air tube; 36. a gas pipe; 37. and a second air pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-6, the utility model provides a motor casing leak test detection tool, which is used for fixing a motor casing 1, and comprises a workpiece bottom plate 2, wherein an inner diameter positioning column 3, a radial limiting block 4 and two workpiece limiting columns 5 are fixedly connected to the surface of the workpiece bottom plate 2, the inner diameter positioning column 3 is positioned at the center of the surface of the workpiece bottom plate 2, the inner diameter positioning column 3 is matched with the shape of an inner cavity of the motor casing 1 and is used for fixing the position of the motor casing 1, the two workpiece limiting columns 5 are symmetrically arranged at two sides of the inner diameter positioning column 3, the two workpiece limiting columns 5 can prevent the motor casing 1 from shaking left and right in the leak test process, the motor casing 1 can be guided and radially positioned on the workpiece bottom plate 2 by utilizing the cooperation among the inner diameter positioning column 3, the radial limiting block 4 and the two workpiece limiting columns 5, the inner diameter positioning column 3 comprises an inner column 31 with a hollow structure, the outer side wall of the inner column 31 is sleeved with an air bag 32, the air bag 32 is externally covered with a rubber sleeve 33, an air pump 34 is fixedly arranged on the inner bottom wall of the inner column 31, a first air pipe 35 is arranged at the air inlet end of the air pump 34, a second air pipe 37 is arranged at the air outlet end of the air pump 34, the second air pipe 37 is abutted with the inner top wall of the inner column 31, the first air pipe 35 penetrates through the bottom wall of the inner column 31 and extends out of the workpiece bottom plate 2, a plurality of air pipes 36 are inserted at equal intervals in the circumferential direction of the second air pipe 37, one end of each air pipe 36, far away from the second air pipe 37, penetrates through the side wall of the inner column 31 and is communicated with the air bag 32, when the motor casing 1 is placed on a tool and needs to be subjected to leakage detection, the air pump 34 is started to perform inflation function, air is sucked by the first air pipe 35, the air is transmitted into the second air pipe 37 through the air pump 34, the air is inflated into the air bag 32 through the plurality of air pipes 36, the air bag 32 is enabled to swell, the rubber sleeve 33 is driven to swell with swelling, and the outward expanding force is formed, further make rubber sleeve 33 and the inseparable laminating of motor casing 1 inner wall, increase the stability of motor casing 1, when the unloading is needed, only need to bleed through the function of bleeding of air pump 34, make the outside air bleed of second trachea 37, gaseous rethread first trachea 35 discharges, can relieve the inseparable laminating of internal diameter reference column 3 to motor casing 1, conveniently carries out the unloading operation.
Further optimizing scheme, motor casing 1 is located between two spacing posts 5 of work piece, and the spacing post 5 butt of work piece of motor casing 1 outer wall, as shown in fig. 1, two spacing posts 5 of work piece are laminated with motor casing 1 outer wall, can avoid motor casing 1 outer wall to rock about the leak test in-process, can lead the location to motor casing 1 simultaneously when last unloading.
Further optimizing scheme, motor casing 1 terminal surface and radial stopper 4 lateral wall butt, and keep the parallel and level with radial stopper 4, with radial stopper 4 setting in the position with the terminal surface butt of motor casing 1, can radially spacing motor casing 1, the position when further confirming motor casing 1 material loading.
Further optimizing scheme, the lateral wall of rubber sleeve 33 and the inner wall laminating of motor casing 1, at first rubber sleeve 33 lateral wall just preliminary with motor casing 1 position location with the laminating of motor casing 1 inside wall, aerify after the laminating can make rubber sleeve 33 even further closely laminate with the inner wall of motor casing 1, better improvement motor casing 1's stability.
According to the further optimization scheme, the air bag 32 is fixedly connected with the outer side wall of the inner column 31, the rubber sleeve 33 is fixedly connected with the air bag 32, the rubber sleeve 33 is fixedly connected with the outer side wall of the inner column 31, the effect that the rubber sleeve 33 is driven to swell after the air bag 32 swells is achieved, two ends of the rubber sleeve 33 are fixedly connected on the outer side wall of the inner column 31, and the situation that the rubber sleeve 33 falls off or deforms seriously can be avoided.
Further optimizing scheme, a plurality of air delivery pipes 36 are sequentially arranged from top to bottom at intervals, so that the uniformity of overall air inflation and air suction of the air bag 32 is improved, and the situation that the air bag is inflated quickly and inflated slowly is avoided.
Further optimizing scheme has offered trachea mounting groove 6 on the work piece bottom plate 2, and first trachea 35 stretches out work piece bottom plate 2 through trachea mounting groove 6, can realize making first trachea 35 stretch out from the side of work piece bottom plate 2 through trachea mounting groove 6, avoids first trachea 35 directly stretching out from work piece bottom plate 2 bottom surface, influences the stability that work piece bottom plate 2 plane was placed.
Further optimizing scheme, the one end that first gas tube 35 stretches out work piece bottom plate 2 fixed mounting has filter mantle 7, when carrying out the inside inflation, can not avoid having impurity such as dust in the air, can filter impurity through setting up filter mantle 7, avoids blockking up.
The using method comprises the following steps: firstly, when feeding, the inner cavity of the motor casing 1 is sleeved on the inner diameter positioning column 3, the motor casing 1 is initially positioned, according to the positions of the two workpiece limiting columns 5 and the radial limiting block, the feeding and discharging of the motor casing 1 can be guided and positioned, meanwhile, the motor casing 1 can be prevented from shaking left and right, when leakage test is required, the air pump 34 is started, air is inflated into the air bag 32 through the first air pipe 35, the second air pipe 37 and the air pipe 36, the air bag 32 is inflated to cause the air bag 32 to swell to drive the rubber sleeve 33 to swell along with the swelling, an outward expanding force is formed, the rubber sleeve 33 is tightly attached to the inner wall of the motor casing 1, so that the stability of the motor casing 1 in the leakage test process is further improved, when the discharging is required, the air pump 34 is only required to pump the second air pipe 37 to pump the air outwards, the air is exhausted through the first air pipe 35, the tight attachment of the rubber sleeve 33 to the motor casing 1 can be relieved, and the discharging operation is convenient.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. The utility model provides a motor casing leak test detects frock for fixed motor casing (1), its characterized in that: including work piece bottom plate (2), work piece bottom plate (2) surface rigid coupling has internal diameter reference column (3), radial stopper (4) and two work piece spacing posts (5), internal diameter reference column (3) are located the center on work piece bottom plate (2) surface, two work piece spacing posts (5) symmetry set up in the both sides of internal diameter reference column (3), internal diameter reference column (3) include interior post (31) of hollow structure, interior post (31) lateral wall cover is equipped with gasbag (32), the outsourcing of gasbag (32) has rubber sleeve (33), fixed mounting has air pump (34) on the diapire in interior post (31), first gas tube (35) are installed to the air inlet end of air pump (34), second gas tube (37) with roof butt in interior post (31), first gas tube (35) run through interior post (31) diapire and stretch out work piece bottom plate (2), second gas tube (37) are equidistant to have on the diapire (36) the air inlet end installation second gas tube (37) and a plurality of gas tube (36) are kept away from in the gas tube (36).
2. The motor casing leak testing detection tool of claim 1, wherein: the motor casing (1) is located between the two workpiece limiting columns (5), and the outer wall of the motor casing (1) is abutted to the workpiece limiting columns (5).
3. The motor casing leak testing detection tool of claim 1, wherein: the end face of the motor casing (1) is abutted with the side wall of the radial limiting block (4), and is kept flush with the radial limiting block (4).
4. The motor casing leak testing detection tool of claim 1, wherein: the outer side wall of the rubber sleeve (33) is attached to the inner wall of the motor casing (1).
5. The motor casing leak testing detection tool of claim 1, wherein: the air bag (32) is fixedly connected with the outer side wall of the inner column (31), the rubber sleeve (33) is fixedly connected with the air bag (32), and the rubber sleeve (33) is fixedly connected with the outer side wall of the inner column (31).
6. The motor casing leak testing detection tool of claim 1, wherein: the plurality of the air delivery pipes (36) are sequentially arranged at intervals from top to bottom.
7. The motor casing leak testing detection tool of claim 1, wherein: an air pipe installation groove (6) is formed in the workpiece bottom plate (2), and the first air pipe (35) extends out of the workpiece bottom plate (2) through the air pipe installation groove (6).
8. The motor casing leak testing detection tool of claim 1, wherein: one end of the first air pipe (35) extending out of the workpiece bottom plate (2) is fixedly provided with a filter cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322133738.2U CN220525224U (en) | 2023-08-09 | 2023-08-09 | Leak test detection tool for motor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322133738.2U CN220525224U (en) | 2023-08-09 | 2023-08-09 | Leak test detection tool for motor shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220525224U true CN220525224U (en) | 2024-02-23 |
Family
ID=89923705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322133738.2U Active CN220525224U (en) | 2023-08-09 | 2023-08-09 | Leak test detection tool for motor shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220525224U (en) |
-
2023
- 2023-08-09 CN CN202322133738.2U patent/CN220525224U/en active Active
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