CN112039257B - Sealing device for explosion-proof motor - Google Patents
Sealing device for explosion-proof motor Download PDFInfo
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- CN112039257B CN112039257B CN202011028662.1A CN202011028662A CN112039257B CN 112039257 B CN112039257 B CN 112039257B CN 202011028662 A CN202011028662 A CN 202011028662A CN 112039257 B CN112039257 B CN 112039257B
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- sleeve
- explosion
- butt joint
- fixing ring
- fixedly connected
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a sealing device for an explosion-proof motor in the field of explosion-proof motors, which comprises an explosion-proof motor body, wherein two butt-joint boxes are sleeved outside the explosion-proof motor body and are symmetrically arranged, and the sealing device has the beneficial effects that: the anti-explosion motor body is simple in installation steps by arranging the reset mechanism and the stretching mechanism, when the anti-explosion motor body needs to be disassembled, the external thread lead screw rotates in the opposite direction to drive the internal thread moving block and the top plate to rotate in the opposite direction, so that the limiting column is separated from the second clamping groove, the reset spring extends, the first fixing ring is pushed to drive the pull rod to move towards the direction close to the sleeve, the two butt joint boxes are pulled to be separated, the anti-explosion motor body is taken out, and the operation steps of installation and disassembly are simple, the use is convenient, and the anti-explosion motor body is convenient to regularly maintain and replace.
Description
Technical Field
The invention relates to the field of explosion-proof motors, in particular to a sealing device for an explosion-proof motor.
Background
The explosion-proof motor is a motor that can use in inflammable and explosive place, the electric spark does not produce in the operation, explosion-proof motor mainly used colliery, the oil and natural gas, petrochemical and chemical industry, for improving explosion-proof motor's security performance, explosion-proof motor outside is generally overlapped and is established sealing device and use, at present, sealing device for explosion-proof motor among the prior art, inner structure is complicated, use multiple screw to take the use thoughtlessly usually, when dismantling or installing, need dismantle a lot of screws, the operating procedure is complicated, when carrying out periodic overhaul or change, it is very inconvenient.
Disclosure of Invention
The invention aims to provide a sealing device for an explosion-proof motor, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a sealing device for an explosion-proof motor comprises an explosion-proof motor body, wherein two butt joint boxes are sleeved outside the explosion-proof motor body, the two butt joint boxes are symmetrically arranged, sleeves are arranged inside the two butt joint boxes, the number of the sleeves is four, every two sleeves are respectively arranged on two sides of the explosion-proof motor body, the two sleeves located on the same side of the explosion-proof motor body are arranged in a central symmetry mode, a pull rod is connected inside each sleeve in a sliding mode, one end of each pull rod extends to the outside of the sleeve, a reset mechanism is arranged between one end, located inside the sleeve, of each pull rod and the inner side wall of each sleeve, a limiting column is arranged on one side of each pull rod, each limiting column is located on one side, close to the explosion-proof motor body, and a pull plate is fixedly sleeved on the rod wall, located outside the sleeve, of each pull rod, a first clamping groove matched with the limiting column is formed in the side wall of each pulling plate, each pulling plate is clamped on the outer side wall of the limiting column through the first clamping groove, a stretching mechanism is arranged on one side, close to the explosion-proof motor body, of each limiting column, the stretching mechanism is located on one side, close to the pulling plate, of the sleeve, one end, far away from the pulling plate, of the sleeve is fixedly connected with the inner side wall of the butt joint box, the outer side wall, far away from one end of the pulling plate, of the sleeve is fixedly sleeved with two supporting blocks, the supporting blocks and the pulling plate on the sleeve are located in two different butt joint boxes respectively, one end of each supporting block is fixedly connected with the inner wall of the butt joint box, the two butt joint boxes are close to one side, fixedly connected with a ring-shaped butt joint protruding block and a ring-shaped butt joint U-shaped clamping plate respectively, and the ring-shaped butt joint protruding block is clamped inside the ring-shaped butt joint U-shaped clamping plate.
As a further scheme of the invention, the reset mechanism comprises a reset spring, a first fixing ring, a second fixing ring and a limiting plate, wherein the reset spring, the first fixing ring and the second fixing ring are all sleeved on a rod wall of the pull rod in the sleeve, the limiting plate is fixedly connected to one end of the pull rod in the sleeve, the second fixing ring is located between the first fixing ring and the limiting plate, the first fixing ring is fixedly sleeved on the outer side wall of the pull rod, the outer side wall of the second fixing ring is fixedly connected with the inner side wall of the sleeve, the limiting plate abuts against one side, away from the first fixing ring, of the second fixing ring, the reset spring is located on one side, away from the second fixing ring, of the first fixing ring, and two ends of the reset spring are respectively fixedly connected with one side, close to the pull plate, of the inner wall of the sleeve and one side, away from the second fixing ring, of the first fixing ring.
As a further scheme of the invention, the stretching mechanism comprises an external thread lead screw, an auxiliary supporting cylinder, an internal thread moving block, a top plate and a second clamping groove, the second clamping groove is formed in the side wall of the top plate, the top plate is clamped with the limiting column through the second clamping groove, the external thread lead screw is rotatably connected to the inside of the auxiliary supporting cylinder, the external thread lead screw is located inside the butt-joint box at one side of the sleeve close to the pull rod, one end of the auxiliary supporting cylinder is fixedly connected with the inner side wall of the butt-joint box, two ends of the external thread lead screw extend to the outside of the auxiliary supporting cylinder, the internal thread moving block is in threaded sleeve connection with the outer side wall of the external thread lead screw close to one end of the pulling plate, and the top plate is fixedly connected to the outer side wall of the internal thread moving block.
As a further scheme of the invention, one end of the external thread screw rod close to the sleeve is fixedly connected with a limiting circular plate, the limiting circular plate is positioned on one side of the sleeve close to the limiting column, and the length of the external thread screw rod is longer than that of the limiting column.
As a further scheme of the invention, one end of the external thread screw rod, which is far away from the sleeve, is fixedly connected with a turntable, the turntable is positioned outside the butt joint box, and the external thread screw rod is rotatably connected with the butt joint box.
As a further scheme of the invention, one end of each pull rod, which is positioned outside the sleeve, is fixedly connected with a limiting insertion block, the outer side wall of each limiting insertion block is sleeved with a matched limiting sleeve in a sliding manner, and each limiting sleeve is fixedly connected with the inner side wall of the butt-joint box.
As a further scheme of the invention, the inner side walls of the two butt-joint boxes are fixedly connected with a plurality of uniformly distributed supporting plates, one side of each supporting plate, which is close to the explosion-proof motor body, is fixedly connected with a clamping pad, and each clamping pad is abutted against the outer side wall of the explosion-proof motor body.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the arrangement of the reset mechanism and the stretching mechanism, the internal structures of the two butt-joint boxes are simple, the two butt-joint boxes are mutually butted, the external thread screw rod is driven by the rotary table to rotate, the two butt-joint boxes can be tightly butted, the explosion-proof motor body is sealed inside the two butt-joint boxes, the installation step is simple, when the explosion-proof motor needs to be disassembled, the external thread screw rod rotates in the opposite direction to drive the internal thread moving block and the top plate to rotate in the opposite direction, the limiting column is separated from the second clamping groove, the reset spring extends, the first fixing ring is pushed to drive the pull rod to move towards the direction close to the sleeve, the two butt-joint boxes are pulled to be separated, the explosion-proof motor body is taken out, the operation steps of installation and disassembly are simple, the use is convenient, and the explosion-proof motor body can be periodically maintained and replaced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a return mechanism of the present invention;
FIG. 3 is a schematic structural view of a support plate according to the present invention;
FIG. 4 is a perspective view of the coupling box of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 1;
fig. 6 is a schematic view of the position relationship between the pulling plate and the top plate according to the present invention.
In the figure:
1. an explosion-proof motor body;
2. a butt-joint box; 21. a ring-shaped butt-joint bump; 22. the U-shaped clamping plates are in annular butt joint;
3. a support plate; 31. a clamping pad;
4. a sleeve; 41. a pull rod; 42. a support block; 43. a limiting column; 44. pulling a plate; 45. a first card slot;
5. a reset mechanism; 51. a return spring; 52. a first fixing ring; 53. a second fixing ring; 54. a limiting plate;
6. a stretching mechanism; 61. an external thread screw rod; 62. an auxiliary support cylinder; 63. an internal thread moving block; 64. a second card slot; 65. a turntable; 66. a top plate; 67. a limiting circular plate;
7. a limiting sleeve; 71. and limiting the inserting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, in the embodiment of the present invention, a sealing device for an explosion-proof motor includes an explosion-proof motor body 1, two butt-joint boxes 2 are sleeved outside the explosion-proof motor body 1, the two butt-joint boxes 2 are symmetrically arranged, sleeves 4 are arranged inside the two butt-joint boxes 2, the number of the sleeves 4 is four, the four sleeves 4 are arranged two by two on two sides of the explosion-proof motor body 1, the two sleeves 4 located on the same side of the explosion-proof motor body 1 are arranged in a central symmetry manner, a pull rod 41 is slidably connected inside each sleeve 4, one end of each pull rod 41 extends to the outside of the sleeve 4, a reset mechanism 5 is arranged between one end of each pull rod 41 located inside the sleeve 4 and the inner side wall of the sleeve 4, a limit column 43 is arranged on one side of each pull rod 41, each limit column 43 is located on one side of the sleeve 4 close to the explosion-proof motor body 1, each pull rod 41 is fixedly sleeved with a pull plate 44 on a rod wall outside the sleeve 4, a first clamping groove 45 matched with the limiting column 43 is formed in the side wall of each pull plate 44, each pull plate 44 is clamped on the outer side wall of the limiting column 43 through the first clamping groove 45, a stretching mechanism 6 is arranged on one side, close to the explosion-proof motor body 1, of the limiting column 43, the stretching mechanism 6 is located on one side, close to the pull plate 44, of the sleeve 4, one end, far away from the pull plate 44, of the sleeve 4 is fixedly connected with the inner side wall of the butt joint box 2, two supporting blocks 42 are fixedly sleeved on the outer side wall, far away from one end of the pull plate 44, of the sleeve 4, two supporting blocks 42 are located in two different butt joint boxes 2 respectively, one end of each supporting block 42 is fixedly connected with the inner wall of the butt joint box 2, and one side, close to the two butt joint boxes 2, is fixedly connected with a ring-shaped butt joint lug 21 and a ring-shaped butt joint U respectively The annular butt joint lug 21 is clamped inside the annular butt joint U-shaped clamping plate 22, so that the sealing performance between the two butt joint boxes 2 is improved when the two butt joint boxes 2 are in butt joint.
Wherein, the reset mechanism 5 comprises a reset spring 51, a first fixing ring 52, a second fixing ring 53 and a limit plate 54, the reset spring 51, the first fixing ring 52 and the second fixing ring 53 are all sleeved on the rod wall of the pull rod 41 inside the sleeve 4, the limit plate 54 is fixedly connected with one end of the pull rod 41 inside the sleeve 4, the second fixing ring 53 is positioned between the first fixing ring 52 and the limit plate 54, the first fixing ring 52 is fixedly sleeved on the outer side wall of the pull rod 41, the outer side wall of the second fixing ring 53 is fixedly connected with the inner side wall of the sleeve 4, the limit plate 54 is abutted against one side of the second fixing ring 53 away from the first fixing ring 52, the reset spring 51 is positioned on one side of the first fixing ring 52 away from the second fixing ring 53, two ends of the reset spring 51 are respectively fixedly connected with one side of the inner wall of the sleeve 4 close to the pull plate 44 and one side of the first fixing ring 52 away from the second fixing ring 53, the reset spring 51 is extended, and the first fixing ring 52 is pushed to drive the pull rod 41 to move towards the direction close to the sleeve 4, so as to drive the pull plate 44 to abut against the outer side wall of the sleeve 4.
Wherein the stretching mechanism 6 comprises an external thread screw rod 61, an auxiliary supporting cylinder 62, an internal thread moving block 63, a top plate 66 and a second clamping groove 64, the second clamping groove 64 is formed in the side wall of the top plate 66, the top plate 66 is clamped with the limiting column 43 through the second clamping groove 64, the external thread screw rod 61 is rotatably connected to the inside of the auxiliary supporting cylinder 62, the external thread screw rod 61 is positioned in the butting box 2 at one side of the sleeve 4 close to the pull rod 41, one end of the auxiliary supporting cylinder 62 is fixedly connected with the inner side wall of the butting box 2, both ends of the external thread screw rod 61 extend to the outside of the auxiliary supporting cylinder 62, the internal thread moving block 63 is in threaded sleeve connection with the outer side wall of one end of the external thread screw rod 61 close to the pull plate 44, the top plate 66 is fixedly connected to the outer side wall of the internal thread moving block 63, and the external thread screw rod 61 rotates to drive the internal thread moving block 63 to rotate, the internal thread moving block 63 drives the top plate 66 to rotate, the top plate 66 is connected to the outer portion of the limiting column 43 in a clamped mode through the second clamping groove 64 and abuts against one side, close to the sleeve 4, of the pulling plate 44, the external thread lead screw 61 continues to rotate, and the external thread lead screw 61 can spirally feed the internal thread moving block 63 to move due to the fact that the top plate 66 is connected with the limiting column 43 in a clamped mode through the second clamping groove 64, and the pulling plate 44 is driven to move towards the direction away from the sleeve 4 through the top plate 66.
The external thread screw rod 61 is fixedly connected with a limiting circular plate 67 at one end close to the sleeve 4, the limiting circular plate 67 is located at one side of the sleeve 4 close to the limiting column 43, the length of the external thread screw rod 61 is longer than that of the limiting column 43, so that when the pulling plate 44 is clamped on the limiting column 43 through the first clamping groove 45, the external thread screw rod 61 rotates, the internal thread moving block 63 can drive the top plate 66 to be clamped on the limiting column 43, and the top plate 66 is located at one side of the pulling plate 44 close to the sleeve 4.
Wherein, the one end fixedly connected with carousel 65 of sleeve 4 is kept away from to external screw thread lead screw 61, carousel 65 is located the outside of butt joint case 2, external screw thread lead screw 61 rotates with butt joint case 2 to be connected, and carousel 65 rotates and can drive external screw thread lead screw 61 and rotate, and the people of being convenient for operate external screw thread lead screw 61 and rotate.
The connecting structure comprises a plurality of pull rods 41, wherein each pull rod 41 is located at one end outside a sleeve 4 and is fixedly connected with a limiting insertion block 71, the outer side wall of each limiting insertion block 71 is sleeved with a limiting sleeve 7 in a sliding mode, the limiting sleeves 7 are fixedly connected with the inner side wall of a butt joint box 2, and the connecting relation between the pull rods 41 and the butt joint box 2 is strengthened.
Wherein, two the backup pad 3 of a plurality of evenly distributed of the equal fixedly connected with of inside wall of butt joint case 2, every the equal fixedly connected with centre gripping pad 31 in one side that backup pad 3 is close to explosion-proof machine body 1, every centre gripping pad 31 all offsets with explosion-proof machine body 1's lateral wall, through the supplementary centre gripping explosion-proof machine body 1 of a plurality of backup pads 3.
The working principle of the invention is as follows: the invention has the advantages that by arranging the reset mechanism 5 and the stretching mechanism 6, the internal structures of the two butt-joint boxes 2 are simple, the two butt-joint boxes 2 are mutually butted, the annular butt-joint convex block 21 is inserted into the annular butt-joint U-shaped clamping plate 22, the pulling plate 44 is clamped on the limiting column 43 through the first clamping groove 45, the rotary table 65 drives the external thread screw rod 61 to rotate, the internal thread moving block 63 is driven to rotate, the internal thread moving block 63 drives the top plate 66 to rotate, the top plate 66 is clamped outside the limiting column 43 through the second clamping groove 64 and is abutted against one side of the pulling plate 44 close to the sleeve 4, the external thread screw rod 61 continues to rotate, as the top plate 66 is clamped with the limiting column 43 through the second clamping groove 64, the external thread screw rod 61 can spirally feed the internal thread moving block 63 to move, and drive the pulling plate 44 to move towards the direction far away from the sleeve 4 through the top plate 66, the pulling plate 44 pulls the pulling rod 41 to slide in the sleeve 4, spacing plectane 67 supports with No. two solid fixed ring 53 and drives sleeve 4 and to the direction removal that is close to arm-tie 44, can make two butt joint casees 2 tightly support, seal explosion proof machine body 1 in the inside of two butt joint casees 2, the installation procedure is simple, when needs are dismantled, external screw thread lead screw 61 rotates in the opposite direction, drive internal thread movable block 63 and roof 66 rotate in the opposite direction, make spacing post 43 break away from in No. two draw-in grooves 64, reset spring 51 extends, drive pull rod 41 and move to the direction that is close to sleeve 4 through promoting No. one solid fixed ring 52, until arm-tie 44 supports with the lateral wall of sleeve 4, twitch two butt joint casees 2 and can separate, take out explosion proof machine body 1, the operation step of installing and dismantling is simple, high durability and convenient use, be convenient for regularly maintain and change explosion proof machine body 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a sealing device for explosion-proof motor, includes explosion-proof motor body (1), its characterized in that: the anti-explosion motor is characterized in that two butt joint boxes (2) are sleeved outside the anti-explosion motor body (1), the two butt joint boxes (2) are symmetrically arranged, sleeves (4) are arranged inside the two butt joint boxes (2), the number of the sleeves (4) is four, the four sleeves (4) are arranged on two sides of the anti-explosion motor body (1) in pairs respectively, the two sleeves (4) positioned on the same side of the anti-explosion motor body (1) are arranged in a central symmetry manner, a pull rod (41) is connected inside each sleeve (4) in a sliding manner, one end of each pull rod (41) extends to the outside of the sleeve (4), a reset mechanism (5) is arranged between one end of each pull rod (41) positioned inside the sleeve (4) and the inner side wall of the sleeve (4), a limit column (43) is arranged on one side of each pull rod (41), and each limit column (43) is positioned on one side of the sleeve (4) close to the anti-explosion motor body (1), each pull rod (41) is fixedly sleeved with a pull plate (44) on the rod wall outside the sleeve (4), a first clamping groove (45) matched with the limiting column (43) is formed in the side wall of each pull plate (44), each pull plate (44) is clamped on the outer side wall of the limiting column (43) through the first clamping groove (45), one side, close to the explosion-proof motor body (1), of each limiting column (43) is provided with a stretching mechanism (6), the stretching mechanism (6) is located on one side, close to the pull plate (44), of the sleeve (4), one end, far away from the pull plate (44), of each sleeve (4) is fixedly connected with the inner side wall of the butt joint box (2), two supporting blocks (42) are fixedly sleeved on the outer side wall of one end, far away from the pull plate (44), of each sleeve (4), the supporting blocks (42) and the pull plates (44) are located in two different butt joint boxes (2) respectively, one end of each supporting block (42) is fixedly connected with the inner wall of each butt joint box (2), one side, close to each other, of each butt joint box (2) is fixedly connected with a ring-shaped butt joint protruding block (21) and a ring-shaped butt joint U-shaped clamping plate (22), and the ring-shaped butt joint protruding blocks (21) are clamped inside the ring-shaped butt joint U-shaped clamping plates (22).
2. The sealing device for the explosion-proof motor as set forth in claim 1, wherein: the resetting mechanism (5) comprises a resetting spring (51), a first fixing ring (52), a second fixing ring (53) and a limiting plate (54), the resetting spring (51), the first fixing ring (52) and the second fixing ring (53) are all sleeved on a rod wall of the pull rod (41) which is positioned inside the sleeve (4), the limiting plate (54) is fixedly connected with one end of the pull rod (41) which is positioned inside the sleeve (4), the second fixing ring (53) is positioned between the first fixing ring (52) and the limiting plate (54), the first fixing ring (52) is fixedly sleeved on the outer side wall of the pull rod (41), the outer side wall of the second fixing ring (53) is fixedly connected with the inner side wall of the sleeve (4), the limiting plate (54) and one side of the second fixing ring (53) far away from the first fixing ring (52) are abutted, the resetting spring (51) is positioned on one side of the first fixing ring (52) far away from the second fixing ring (53), the two ends of the reset spring (51) are fixedly connected with one side of the inner wall of the sleeve (4) close to the pulling plate (44) and one side of the first fixing ring (52) far away from the second fixing ring (53) respectively.
3. The sealing device for the explosion-proof motor as set forth in claim 1, wherein: the stretching mechanism (6) comprises an external thread screw rod (61), an auxiliary supporting cylinder (62), an internal thread moving block (63), a top plate (66) and a second clamping groove (64), the second clamping groove (64) is formed in the side wall of the top plate (66), the top plate (66) is clamped with a limiting column (43) through the second clamping groove (64), the external thread screw rod (61) is rotatably connected to the inside of the auxiliary supporting cylinder (62), the external thread screw rod (61) is located in the butt joint box (2) at one side, close to the pull rod (41), of the sleeve (4), one end of the auxiliary supporting cylinder (62) is fixedly connected with the inner side wall of the butt joint box (2), two ends of the external thread screw rod (61) extend to the outside of the auxiliary supporting cylinder (62), and the internal thread moving block (63) is in threaded sleeve connection with the outer side wall, close to one end of the pull plate (44), of the external thread screw rod (61), the top plate (66) is fixedly connected to the outer side wall of the internal thread moving block (63).
4. A sealing device for an explosion-proof motor according to claim 3, characterized in that: the utility model discloses a spacing post (43) of sleeve (4) is close to external screw thread lead screw (61), the one end fixedly connected with spacing plectane (67) that sleeve (4) are close to, spacing plectane (67) are located sleeve (4) and are close to one side of spacing post (43), the length of external screw thread lead screw (61) is longer than the length of spacing post (43).
5. A sealing device for an explosion-proof motor according to claim 3, characterized in that: one end fixedly connected with carousel (65) of sleeve (4) is kept away from in external screw thread lead screw (61), carousel (65) are located the outside of butt joint case (2), external screw thread lead screw (61) rotates with butt joint case (2) to be connected.
6. The sealing device for the explosion-proof motor as set forth in claim 1, wherein: every pull rod (41) are located the equal fixedly connected with spacing inserted block (71) of sleeve (4) outside one end, every spacing sleeve (7) of adaptation are all slided to cup joint on the lateral wall of spacing inserted block (71), every spacing sleeve (7) all with the inside wall fixed connection of butt joint case (2).
7. The sealing device for the explosion-proof motor as set forth in claim 1, wherein: two the backup pad (3) of the equal fixedly connected with a plurality of evenly distributed of inside wall of butt joint case (2), every backup pad (3) are close to the equal fixedly connected with centre gripping pad (31) of one side of explosion proof machine body (1), every centre gripping pad (31) all offsets with the lateral wall of explosion proof machine body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028662.1A CN112039257B (en) | 2020-09-27 | 2020-09-27 | Sealing device for explosion-proof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028662.1A CN112039257B (en) | 2020-09-27 | 2020-09-27 | Sealing device for explosion-proof motor |
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| CN112039257A CN112039257A (en) | 2020-12-04 |
| CN112039257B true CN112039257B (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011028662.1A Active CN112039257B (en) | 2020-09-27 | 2020-09-27 | Sealing device for explosion-proof motor |
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| CN114144007B (en) * | 2021-12-29 | 2024-02-20 | 永城煤电控股集团有限公司 | Explosion-proof protection device for coal mine electromechanical device |
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| CN105520679A (en) * | 2016-02-01 | 2016-04-27 | 汉斯控股有限公司 | Window wiper and motor waterproof box thereof |
| CN205846934U (en) * | 2016-08-05 | 2016-12-28 | 浙江佳力科技股份有限公司 | Explosion-proof power generator |
| CN210468956U (en) * | 2019-10-19 | 2020-05-05 | 上海宝协新能源科技有限公司 | Motor housing |
| CN210623199U (en) * | 2019-09-24 | 2020-05-26 | 阜宁县星航电器配件有限公司 | Water pump iron-clad accessory convenient to use |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4513214A (en) * | 1983-10-03 | 1985-04-23 | Allied Corporation | Dynamoelectric machine |
| KR20050099352A (en) * | 2004-04-09 | 2005-10-13 | 엘지전자 주식회사 | Front suction/discharge type outdoor unit for air conditioner |
| EP3116106B1 (en) * | 2015-07-08 | 2018-06-27 | Siemens Aktiengesellschaft | Electric machine comprising soundproofing |
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2020
- 2020-09-27 CN CN202011028662.1A patent/CN112039257B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520679A (en) * | 2016-02-01 | 2016-04-27 | 汉斯控股有限公司 | Window wiper and motor waterproof box thereof |
| CN205846934U (en) * | 2016-08-05 | 2016-12-28 | 浙江佳力科技股份有限公司 | Explosion-proof power generator |
| CN210623199U (en) * | 2019-09-24 | 2020-05-26 | 阜宁县星航电器配件有限公司 | Water pump iron-clad accessory convenient to use |
| CN210468956U (en) * | 2019-10-19 | 2020-05-05 | 上海宝协新能源科技有限公司 | Motor housing |
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| CN112039257A (en) | 2020-12-04 |
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Denomination of invention: A sealing device for explosion-proof motor Effective date of registration: 20220630 Granted publication date: 20220401 Pledgee: Bank of Jiangsu Co.,Ltd. Yancheng branch Pledgor: JIANGSU HENGKANG ELECTRICAL Co.,Ltd. Registration number: Y2022320000323 |
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