CN220932295U - Detection device for tightness of rotor - Google Patents
Detection device for tightness of rotor Download PDFInfo
- Publication number
- CN220932295U CN220932295U CN202322719043.2U CN202322719043U CN220932295U CN 220932295 U CN220932295 U CN 220932295U CN 202322719043 U CN202322719043 U CN 202322719043U CN 220932295 U CN220932295 U CN 220932295U
- Authority
- CN
- China
- Prior art keywords
- rotor
- tightness
- sealing cover
- sealing
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 73
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a detection device for tightness of a rotor, and belongs to the technical field of water pumps. The device for detecting the tightness of the rotor is characterized by comprising a rotor seat, wherein a sealing cover is arranged above the rotor seat, a driving piece is connected to the sealing cover, the sealing cover can be sealed and arranged on the rotor seat under the driving of the driving piece, a pressure cavity is formed between the sealing cover and the rotor seat, an air hole is formed in the rotor seat, and the air hole is communicated with the pressure cavity. The tightness of the rotor is judged through the detection of the air pressure value, so that on one hand, the misjudgment condition caused by misjudgment caused by subjective factors of operators in the manual detection process is avoided, on the other hand, gas is used as a medium instead of liquid, the problem that the rotor is corroded is avoided, the service life of the rotor is ensured, and the reliability of the tightness detection of the rotor is improved.
Description
Technical Field
The utility model belongs to the technical field of water pumps, and particularly relates to a detection device for tightness of a rotor.
Background
The rotor in the water pump motor is sleeved on the rotor shaft and generally comprises a rotor body and a sealing sleeve which is wrapped outside the rotor body and is used for protecting the rotor and providing a heat insulation function, in order to prevent the problems that a medium enters the rotor to directly contact with the rotor body to cause corrosion of the rotor body, the heat insulation function of the sealing sleeve is weakened to cause overheat of the rotor body to reduce the working efficiency and the service life of the rotor body, and the like, the sealing performance of the sealing sleeve is generally required to be ensured; on the other hand, the judgment is carried out manually, so that the influence of the factors of the operator's main pipe is easy, error deviation is generated, the result is inconsistent, the reworking and the correction are more complicated after the problem is found in the later assembly period, and the later assembly efficiency is influenced. In summary, the reliability of the tightness detection of the rotor by relying on the manual mode is low.
Disclosure of utility model
The present utility model aims to solve the above problems in the prior art and provides a detection device for rotor tightness. The technical problems to be solved by the utility model are as follows: how to improve the reliability of the rotor tightness detection.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the device for detecting the tightness of the rotor is characterized by comprising a rotor seat, wherein a sealing cover is arranged above the rotor seat, a driving piece is connected to the sealing cover, the sealing cover can be sealed and arranged on the rotor seat under the driving of the driving piece, a pressure cavity is formed between the sealing cover and the rotor seat, an air hole is formed in the rotor seat, and the air hole is communicated with the pressure cavity.
The rotor is arranged on the rotor seat, the sealing cover is arranged on the rotor seat to surround the rotor, and the rotor seat is in sealing connection with the sealing cover, so that the pressure cavity is in a sealed state, an external air charging device is connected with the air hole and charges quantitative air into the pressure cavity, if the rotor is in a sealing state, the detected pressure value in the pressure cavity is consistent with the set pressure value when the air charging is completed, otherwise, the rotor is not sealed, and the rotor is required to be further welded and sealed by reworking. The tightness of the rotor is judged through the detection of the air pressure value, so that on one hand, the misjudgment condition caused by misjudgment caused by subjective factors of operators in the manual detection process is avoided, on the other hand, gas is used as a medium instead of liquid, the problem that the rotor is corroded is avoided, the service life of the rotor is ensured, and the reliability of the tightness detection of the rotor is improved.
In the above-mentioned detecting device for tightness of a rotor, the middle part of the rotor seat is provided with an air outlet channel, and the air hole is opened at the lower end of the rotor seat and is communicated with the air outlet channel. When the air tightness of the rotor is detected, air in the externally connected air charging equipment enters the pressure cavity after entering the air outlet channel from the air hole, and an air outlet channel is formed through the air hole and the air outlet channel, so that the air is correctly guided into the pressure cavity.
In the above-mentioned detecting device for tightness of a rotor, the rotor seat is in a boss shape and has a first convex column, a second convex column and a third convex column with outer diameters decreasing in sequence, when the sealing cover is arranged on the rotor seat, the lower end of the sealing cover abuts against the upper surface of the first convex column, and the air outlet channel extends upwards to the upper end surface of the third convex column. When the air tightness of the rotor is detected, the rotor is sleeved on the third convex column to increase the stability of the rotor in air tightness detection, the rotor is prevented from being impacted by air flow to topple over when air is introduced, and meanwhile, the air outlet channel extends upwards to the upper end face of the third convex column to directly impact the air flow when the air is introduced.
In the above-mentioned detection device for rotor leakproofness, the second projection overcoat is equipped with first sealing washer, the lower extreme inboard of sealed cowling has the ring channel, works as the lower extreme of sealed cowling with the upper surface of first projection is supported and is leaned on, first sealing washer embedding in the ring channel and with the lateral wall and the tank bottom of ring channel are all laminated, third projection circumference has the seal groove, the cover is equipped with the second sealing washer on the third projection, the second sealing washer embedding in the seal groove. The arrangement of the second sealing ring further improves the stability of the rotor when the rotor is detected, the pressure cavity is required to be a closed space during detection, and the arrangement of the first sealing ring improves the tightness between the sealing sleeve and the rotor seat, so that the closed environment of the pressure cavity is ensured, and the detection accuracy is improved.
In the above-mentioned detecting device for tightness of a rotor, the end face of the second boss has an annular rotor supporting ring coaxial with the third boss, and the rotor supporting ring has a ventilation notch. Considering the tightness at two ends of the rotor, the two ends of the rotor can be detected, so that the lower end edge of the rotor can be contacted with the gas in the pressure cavity by the aid of the supporting ring, and the detection accuracy is improved.
In the above-described detection device for tightness of a rotor, the driving member is a cylinder, and a piston rod end of the cylinder is inserted into an upper end of the seal cover. The cylinder is used as a driving piece, so that the device is simple and practical, low in cost and high in reliability.
In the above-mentioned detection device for rotor leakproofness, this device still includes mounting plate, mounting plate both ends correspond to be provided with the curb plate of two vertical settings, two be connected with the roof between the upper end of curb plate, the rotor seat is installed mounting plate's upside, the cylinder is fixed on the roof and the piston rod of cylinder passes downwards the roof.
In the above-mentioned detection device for tightness of a rotor, the top plate is vertically slidably connected with a guide rod, the lower end of the guide rod is connected with a movable plate, and the movable plate is sleeved at the upper end of the sealing cover and is fixed with the sealing cover. Through the setting of fly leaf and guide arm for the cylinder is more steady in the in-process that drives the sealed cowling and reciprocates, increases stability.
In the above-mentioned detection device for tightness of the rotor, the air hole is inserted with an air inlet connector. The external air charging equipment is connected with the air hole through the air inlet connector, so that the connection strength and the connection stability are improved.
Compared with the prior art, the utility model has the advantages that: the tightness of the rotor is judged through the detection of the air pressure value, so that on one hand, the misjudgment condition caused by misjudgment caused by subjective factors of operators in the manual detection process is avoided, on the other hand, gas is used as a medium instead of liquid, the problem that the rotor is corroded is avoided, the service life of the rotor is ensured, and the reliability of the tightness detection of the rotor is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the detection state of the present utility model;
FIG. 2 is a schematic overall structure of the utility model in an undetected state;
FIG. 3 is a cross-sectional view of a portion of the structure of the present utility model;
FIG. 4 is a cross-sectional view of the structure of the present utility model;
In the figure, 1, a rotor seat; 11. air holes; 12. an air outlet channel; 13. a first post; 14. a second post; 15. a third post; 151. sealing grooves; 2. a sealing cover; 21. an annular groove; 3. a pressure chamber; 4. a driving member; 5. a first seal ring; 6. a second seal ring; 7. a rotor support ring; 71. ventilation gaps; 8. a mounting base plate; 9. a side plate; 101. a top plate; 102. a guide rod; 103. a movable plate; 104. an air inlet joint; 105. a rotor; 1051. a rotor body; 1052. and (5) sealing the sleeve.
Detailed Description
The following is a specific embodiment of the present utility model and a technical solution of the present utility model is further described with reference to the accompanying drawings, but the present utility model is not limited to the following embodiment.
Referring to fig. 1-4, a detecting device for tightness of a rotor includes a rotor base 1, a sealing cover 2 is disposed above the rotor base 1, a driving piece 4 is connected to the sealing cover 2, the sealing cover 2 can be sealed and arranged on the rotor base 1 and form a pressure cavity 3 with the rotor base 1 under the driving of the driving piece 4, an air hole 11 is formed on the rotor base 1, the air hole 11 is communicated with the pressure cavity 3, and an air inlet connector 104 is inserted on the air hole 11. The external air charging device is connected with the air hole 11 through the air inlet connector 104, so that the connection strength and the connection stability are improved.
The middle part of the rotor seat 1 is provided with an air outlet channel 12, and an air hole 11 is arranged at the lower end of the rotor seat 1 and is communicated with the air outlet channel 12. When the air tightness of the rotor 105 is detected, air in the external air charging equipment enters the pressure cavity 3 after entering the air outlet channel 12 from the air hole 11, and an air outlet channel is formed through the air hole 11 and the air outlet channel 12, so that the air is correctly guided into the pressure cavity 3. The rotor seat 1 is boss-shaped and is provided with a first convex column 13, a second convex column 14 and a third convex column 15, the outer diameters of which decrease in sequence, when the sealing cover 2 is covered on the rotor seat 1, the lower end of the sealing cover 2 is propped against the upper surface of the first convex column 13, and the air outlet channel 12 extends upwards to the upper end surface of the third convex column 15. When the air tightness of the rotor 105 is detected, the rotor 105 is sleeved on the third convex column 15 so as to increase the stability of the rotor 105 during air tightness detection, the rotor is prevented from being toppled over due to the impact of air flow during air inlet, and meanwhile, the air flow when the air outlet channel 12 extends upwards to the upper end surface of the third convex column 15 also plays a role in directly impacting the rotor 105 during air inlet.
The second convex column 14 is sleeved with the first sealing ring 5, the inner side of the lower end of the sealing cover 2 is provided with an annular groove 21, when the lower end of the sealing cover 2 abuts against the upper surface of the first convex column 13, the first sealing ring 5 is embedded into the annular groove 21 and is attached to the side wall and the groove bottom of the annular groove 21, the third convex column 15 is circumferentially provided with a sealing groove 151, the third convex column 15 is sleeved with the second sealing ring 6, and the second sealing ring 6 is embedded into the sealing groove 151. The arrangement of the second sealing ring 6 further improves the stability of the rotor 105 when in detection, the pressure cavity 3 is required to be a closed space during detection, and the arrangement of the first sealing ring 5 improves the tightness between the sealing sleeve and the rotor seat 1, so that the closed environment of the pressure cavity 3 is ensured, and the detection accuracy is improved.
The second boss 14 has an annular rotor support ring 7 on an end surface coaxial with the third boss 15, and the rotor support ring 7 has a ventilation notch 71. Considering the tightness of both ends of the rotor 105, it is necessary to enable both ends of the rotor 105 to be detected, so the arrangement of the support ring can enable the lower end edge of the rotor 105 to be in contact with the gas in the pressure chamber 3, thereby improving the detection accuracy.
The driving member 4 is a cylinder, and the piston rod end of the cylinder is inserted into the upper end of the sealing cover 2. The cylinder is used as the driving piece 4, so that the device is simple and practical, low in cost and high in reliability.
The device further comprises a mounting bottom plate 8, two ends of the mounting bottom plate 8 are correspondingly provided with two side plates 9 which are vertically arranged, a top plate 101 is connected between the upper ends of the two side plates 9, the rotor seat 1 is arranged on the upper side face of the mounting bottom plate 8, an air cylinder is fixed on the top plate 101, and a piston rod of the air cylinder downwards penetrates through the top plate 101.
The top plate 101 is vertically and slidably connected with a guide rod 102, the lower end of the guide rod 102 is connected with a movable plate 103, and the movable plate 103 is sleeved on the upper end of the sealing cover 2 and is fixed with the sealing cover 2. Through the arrangement of the movable plate 103 and the guide rod 102, the cylinder is more stable in the process of driving the sealing cover 2 to move up and down, and the stability is improved.
According to the utility model, the rotor 105 is arranged on the rotor seat 1, the sealing cover 2 is arranged on the rotor seat 1 to surround the rotor 105, and the rotor seat 1 is in sealing connection with the sealing cover 2, so that the pressure cavity 3 is in a sealing state, an external inflating device is connected with the air hole 11 and is inflated with quantitative air into the pressure cavity 3, if the rotor 105 is in a sealing state, the detected pressure value in the pressure cavity 3 is consistent with the set pressure value when the inflation is completed, if the rotor 105 does not meet the sealing state, the inflated air can enter the rotor 105 from the gap of the sealing sleeve 1052 of the rotor 105, and at the moment, the detected pressure value in the pressure cavity 3 is smaller than the set pressure value under the condition of equal air inflation amount, and the rotor 105 needs to be further welded and sealed by reworking. The tightness of the rotor 105 is judged through the detection of the air pressure value, so that on one hand, the misjudgment condition caused by misjudgment caused by subjective factors of operators in the manual detection process is avoided, on the other hand, gas is used as a medium instead of liquid, the problem that the rotor 105 is corroded is avoided, the service life of the rotor 105 is ensured, and the reliability of tightness detection of the rotor 105 is improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. A detection device for rotor tightness is characterized in that the device comprises a rotor seat (1), a sealing cover (2) is arranged above the rotor seat (1), a driving piece (4) is connected to the sealing cover (2), the sealing cover (2) can be sealed to be arranged on the rotor seat (1) and form a pressure cavity (3) with the rotor seat (1) under the driving of the driving piece (4), an air hole (11) is formed in the rotor seat (1), and the air hole (11) is communicated with the pressure cavity (3).
2. The device for detecting the tightness of the rotor according to claim 1, wherein the middle part of the rotor seat (1) is provided with an air outlet channel (12), and the air hole (11) is formed at the lower end of the rotor seat (1) and is communicated with the air outlet channel (12).
3. The device for detecting the tightness of a rotor according to claim 2, wherein the rotor seat (1) is boss-shaped and is provided with a first convex column (13), a second convex column (14) and a third convex column (15) with the outer diameters decreasing in sequence, when the sealing cover (2) is covered on the rotor seat (1), the lower end of the sealing cover (2) is abutted against the upper surface of the first convex column (13), and the air outlet channel (12) extends upwards to the upper end surface of the third convex column (15).
4. A detection apparatus for rotor tightness according to claim 3, wherein the second boss (14) is sleeved with a first sealing ring (5), the inner side of the lower end of the sealing cover (2) is provided with an annular groove (21), when the lower end of the sealing cover (2) abuts against the upper surface of the first boss (13), the first sealing ring (5) is embedded into the annular groove (21) and is attached to the side wall and the groove bottom of the annular groove (21), the third boss (15) is circumferentially provided with a sealing groove (151), the third boss (15) is sleeved with a second sealing ring (6), and the second sealing ring (6) is embedded into the sealing groove (151).
5. A device for detecting tightness of a rotor according to claim 4, characterized in that the end face of the second boss (14) is provided with a rotor support ring (7) in the shape of a ring coaxial with the third boss (15), the rotor support ring (7) being provided with ventilation notches (71).
6. A device for detecting tightness of a rotor according to any of the claims from 1 to 5, characterized in that said driving element (4) is a cylinder, the end of the piston rod of which is inserted into the upper end of said sealing cap (2).
7. The device for detecting the tightness of the rotor according to claim 6, further comprising a mounting base plate (8), wherein two vertically arranged side plates (9) are correspondingly arranged at two ends of the mounting base plate (8), a top plate (101) is connected between the upper ends of the two side plates (9), the rotor seat (1) is mounted on the upper side surface of the mounting base plate (8), the air cylinder is fixed on the top plate (101), and a piston rod of the air cylinder passes through the top plate (101) downwards.
8. The detection device for the tightness of the rotor according to claim 7, wherein a guide rod (102) is vertically and slidably connected to the top plate (101), a movable plate (103) is connected to the lower end of the guide rod (102), and the movable plate (103) is sleeved on the upper end of the sealing cover (2) and is fixed to the sealing cover (2).
9. The device for detecting the tightness of a rotor according to claim 8, wherein the air hole (11) is inserted with an air inlet joint (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719043.2U CN220932295U (en) | 2023-10-10 | 2023-10-10 | Detection device for tightness of rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719043.2U CN220932295U (en) | 2023-10-10 | 2023-10-10 | Detection device for tightness of rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220932295U true CN220932295U (en) | 2024-05-10 |
Family
ID=90962746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322719043.2U Active CN220932295U (en) | 2023-10-10 | 2023-10-10 | Detection device for tightness of rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220932295U (en) |
-
2023
- 2023-10-10 CN CN202322719043.2U patent/CN220932295U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111638014B (en) | Flange sealing performance testing device | |
| CN220932295U (en) | Detection device for tightness of rotor | |
| CN218937672U (en) | Air tightness detection device for engine crankshaft oil seal | |
| CN215178593U (en) | Rubber seal airtightness detection device | |
| CN216350603U (en) | Valve well gas detection device | |
| CN220700184U (en) | Turntable with function of adjusting pressure difference between inside and outside of pipe for vulcanizing automobile rubber pipe | |
| CN219890676U (en) | Lithium battery tightness detection equipment | |
| CN217384606U (en) | Air tightness detection device for sealed bearing | |
| CN211737413U (en) | Novel air volume regulating valve for reciprocating compressor | |
| CN113776756B (en) | Detection device for phase-change condenser | |
| CN220602847U (en) | General wall-in type tap delivery port test fixture | |
| CN211317633U (en) | Sealing test fixture for transmission gear of hydraulic pump | |
| CN217980700U (en) | Lithium battery sealing performance pre-detection device | |
| CN210689952U (en) | Sealing structure for dry type leakage detection of filter | |
| CN219369058U (en) | Centrifugal air blower air tightness detection device | |
| CN221273988U (en) | Wine pot | |
| CN218566789U (en) | Airtight strutting arrangement of engine cylinder lid | |
| CN115200805A (en) | Portable vehicle body blanking cover sealing performance detection device | |
| CN220819351U (en) | Helium gas detection tool for new energy battery cooling plate | |
| CN114216060B (en) | Square buried pressure regulating box body and preparation method | |
| CN220851251U (en) | Mechanical rush-repair clamp for pipeline | |
| CN210603757U (en) | Airtightness testing device | |
| CN221325764U (en) | High-tightness pressure transmitter | |
| CN220794550U (en) | Speed reducer shell leakage detection equipment | |
| CN217559166U (en) | Explosion test tool for explosion-proof valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |