CN114314236B - Antifouling formula car top maintenance case for car elevator - Google Patents
Antifouling formula car top maintenance case for car elevator Download PDFInfo
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- CN114314236B CN114314236B CN202210017453.XA CN202210017453A CN114314236B CN 114314236 B CN114314236 B CN 114314236B CN 202210017453 A CN202210017453 A CN 202210017453A CN 114314236 B CN114314236 B CN 114314236B
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- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 116
- 238000012423 maintenance Methods 0.000 title claims abstract description 43
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 12
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses an anti-fouling car top maintenance box for a car elevator, and particularly relates to the technical field of elevator maintenance equipment, comprising a lower box body, wherein the top surface of the lower box body is connected with an upper box body, the end part of the top surface of the upper box body is rotationally hinged with an anti-fouling cover for protecting the maintenance box body, one side of the top of the anti-fouling cover is fixedly provided with a convex plate, and an anti-fouling film is connected above the anti-fouling cover; according to the invention, the anti-fouling treatment on the outer surface of the car elevator maintenance box can be realized through the anti-fouling cover and the anti-fouling film, so that dust impurities are prevented from accumulating on the upper box body, and the anti-fouling film is used for carrying out anti-fouling treatment on the surface of the anti-fouling cover, so that double protection is realized; the first rotating rod and the second rotating rod are used for assisting in fixing the anti-fouling cover, and an inclined angle exists between the anti-fouling cover and the upper box body, so that the lighting effect of the lighting lamp is better; the positioning deflector rod is rotated and pulled outwards, the upper box body and the lower box body are separated, electric elements in the overhaul box can be overhauled quickly, and the normal operation of the overhaul box is ensured.
Description
Technical Field
The invention relates to the technical field of elevator maintenance equipment, in particular to an antifouling type car top maintenance box for a car elevator.
Background
The elevator needs to be maintained regularly in the use process so as to ensure the normal operation of the elevator; when the elevator is overhauled and maintained, a plurality of overhauling tools are needed, and the overhauling box at the top of the elevator car is an overhauling tool arranged at the top of the elevator car, so that overhauling personnel can overhaul the elevator safely, reliably and conveniently; the electric elements generally arranged in the maintenance box are a button for controlling the elevator to slowly go up and down, an electric door opening and closing button, an emergency stop button, a change-over switch for normal operation and maintenance operation of the car roof, and the like.
Fig. 1 is a schematic diagram of a structure in the prior art, and an elevator car roof maintenance box is provided with emergency equipment to provide necessary escape and calling equipment for maintenance personnel trapped in an elevator, which is beneficial to guaranteeing life safety of the maintenance personnel in the elevator. In addition, the maintenance box is generally of an integrated design or is detached and opened through bolts, the maintenance box is required to be opened and overhauled by means of tools, and when the tools are forgotten to be carried, the use of the maintenance box is limited.
Disclosure of Invention
The invention aims to provide an anti-fouling type car top maintenance box for a car elevator, which is characterized in that an upper box body is closed and buckled through an anti-fouling cover, the outer surface of the car elevator maintenance box can be subjected to anti-fouling treatment, dust impurities are prevented from accumulating on the upper box body, an anti-fouling film is connected to the outer surface of the anti-fouling cover, the bending end of the anti-fouling film is attached to the surface of a convex plate, a pressing clamping block in the anti-fouling film is buckled in a clamping groove, the connection and fixation of the anti-fouling cover and the anti-fouling film are realized, and the anti-fouling film is used for carrying out anti-fouling treatment on the surface of the anti-fouling cover, so that the problems in the prior art are solved.
The invention can be realized by the following technical scheme: the utility model provides an antifouling type car elevator is with sedan-chair top maintenance case, includes the box down, the top surface of box is connected with the box down, the top surface tip of box rotates to articulate and is used for the antifouling lid to maintenance box protection, the top one side of antifouling lid is fixed to be provided with the flange, and the top of antifouling lid is connected with antifouling membrane, the inside of antifouling lid is provided with the indent, the surface of indent is equipped with places the chamber, place the below in chamber and be provided with and hold the chamber, and place the inner chamber in chamber and install the light that is used for the maintenance night, the both sides that hold the chamber all are equipped with the matching chamber one;
the anti-fouling film is characterized in that a pressing fixture block is embedded in the bending end face of the anti-fouling film, the anti-fouling film is attached to the surfaces of the anti-fouling cover and the convex plate, the top of the anti-fouling film is of an arc structure, a clamping groove is formed in the surface of the convex plate, and the clamping groove is buckled with the pressing fixture block.
The invention further technically improves that: the locating plate used with the pressing groove in a fitting mode is arranged on the top face of the upper box body, the test button and the reset button are arranged on the surface of the locating plate in an embedded mode, and the reset button is matched with the accommodating cavity.
The invention further technically improves that: the locating plate and the top surface of last box all are equipped with and match the chamber two, the inside rotation that matches the chamber two is connected with dwang first, and matches the chamber two and match the chamber first and correspond the setting, the dwang second is installed in the inside rotation that matches the chamber first, dwang second and dwang first are connected through the round pin axle rotation.
The invention further technically improves that: the bottom surface fixedly connected with inserted block of last box, the surface of inserted block runs through and is equipped with the locating hole second of taking the bayonet socket.
The invention further technically improves that: the top surface of lower box is equipped with the constant head tank that uses with the inserted block cooperation, the inner wall of constant head tank is equipped with the locating hole one of taking the bayonet socket, the inner chamber of locating hole one is equipped with annular and hinders the chamber, the surface of lower box is equipped with the locating hole three of collineation with the locating hole one.
The invention further technically improves that: the positioning hole III, the positioning hole II and the positioning hole I are internally plugged with a positioning deflector rod together, and the outer surface of the positioning deflector rod is fixedly connected with a limiting block penetrating into the bayonet and abutting against the annular blocking cavity.
The invention further technically improves that: the inside of lower box is provided with the heat dissipation wind channel, the internally mounted in heat dissipation wind channel has the air heater, one side surface of lower box is equipped with the gas outlet, and the opposite side surface of lower box is equipped with the air inlet, air inlet and gas outlet and heat dissipation wind channel are in same horizontal line.
The invention further technically improves that: the inner wall of the lower box body is provided with an installation cavity communicated with the air inlet and the air outlet, a dust-proof plate is installed in the installation cavity in a matched mode, and a dust-proof net is arranged in the dust-proof plate.
Compared with the prior art, the invention has the following beneficial effects:
1. The anti-fouling cover is closed and buckled on the upper box body, so that the anti-fouling treatment on the outer surface of the elevator maintenance box of the elevator car is realized, dust and impurities are prevented from accumulating on the upper box body, the anti-fouling cover is more convenient to use, in a use state, the function of the elevator car is tested through an overhaul button arranged on the upper box body, an anti-fouling film is connected to the outer surface of the anti-fouling cover, the bending end of the anti-fouling film is attached to the surface of the convex plate, and a pressing clamping block in the anti-fouling film is buckled in the clamping groove, so that the connection and fixation of the anti-fouling cover and the anti-fouling film are realized, and the anti-fouling treatment and double protection are carried out on the surface of the anti-fouling cover by the anti-fouling film; the upper box body and the anti-fouling cover are rotated and opened, the rotating rod I and the rotating rod II are driven to rotate, one end of the rotating rod I rotates in the matching cavity II, one end of the rotating rod II rotates in the matching cavity I, when the rotating rod I and the rotating rod II rotate to the same straight line, the anti-fouling cover is fixed in an auxiliary mode by the rotating rod I and the rotating rod II, and at the moment, an inclination angle exists between the anti-fouling cover and the upper box body, so that the lighting effect of the lighting lamp is better;
2. The positioning deflector rod is rotated and stirred, the limiting blocking block on the positioning deflector rod rotates in the annular blocking cavity and reaches the position of the bayonet, then the positioning deflector rod is pulled outwards, the limiting blocking block penetrates through the bayonet to leave the inner parts of the first positioning hole, the second positioning hole and the third positioning hole, at the moment, separation is realized between the upper box body and the lower box body, rapid overhaul of electrical elements in the overhaul box is facilitated, and normal operation of the overhaul box is ensured;
3. The outside gas enters into the inside of lower box by the air inlet, later passes dustproof interception of dust guard and dust screen, avoids carrying the entering of impurity in the external gas, has guaranteed the operational environment of maintenance case, and wherein the heat that produces in the lower box is under cooling fan's the air-out, is discharged by the gas outlet for the temperature in the lower box is in lower level.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram showing the connection of the upper case and the lower case in a three-dimensional structure according to the present invention;
FIG. 5 is a schematic perspective view of the lower case of the present invention;
FIG. 6 is a cross-sectional view of the lower case of the present invention;
fig. 7 is a schematic view of a three-dimensional installation structure of the protective cover and the anti-fouling film.
In the figure: 1. a lower box body; 2. an upper case; 3. an anti-fouling cover; 4. a convex plate; 5. a placement cavity; 6. pressing a groove; 7. a lighting lamp; 8. a receiving chamber; 9. a positioning plate; 10. a test button; 11. a reset button; 12. an air outlet; 13. rotating the first rod; 14. matching the first cavity; 15. a second rotating rod; 16. a second matching cavity; 17. a positioning groove; 18. positioning holes I; 19. an annular blocking cavity; 20. inserting blocks; 21. positioning holes II; 22. positioning a deflector rod; 23. limiting block; 24. positioning holes III; 25. an air inlet; 26. a heat radiation fan; 27. a mounting cavity; 28. a dust-proof plate; 29. a dust screen; 30. an antifouling film; 31. a clamping groove; 32. pressing the clamping block; 33. and a heat dissipation air duct.
Detailed Description
In order to further describe the technical means and effects adopted by the invention for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the invention with reference to the attached drawings and the preferred embodiment.
Referring to fig. 2 and 7, the invention provides an anti-fouling car elevator cab maintenance box, which comprises a lower box body 1, wherein the top surface of the lower box body 1 is connected with an upper box body 2, the end part of the top surface of the upper box body 2 is rotationally hinged with an anti-fouling cover 3 for protecting the maintenance box body, one side of the top of the anti-fouling cover 3 is fixedly provided with a convex plate 4, an anti-fouling film 30 is connected above the anti-fouling cover 3, a pressing groove 6 is arranged in the anti-fouling cover 3, a placing cavity 5 is arranged on the surface of the pressing groove 6, a containing cavity 8 is arranged below the placing cavity 5, an illuminating lamp 7 for night maintenance is arranged in the cavity 5, and two sides of the containing cavity 8 are respectively provided with a matching cavity 14;
The end face embedding of buckling of antifouling membrane 30 is provided with presses fixture block 32, and antifouling membrane 30 and antifouling lid 3 and the surperficial laminating of flange 4, and the top of antifouling membrane 30 sets up to the arc structure, and the surface of flange 4 is equipped with draw-in groove 31, the lock between draw-in groove 31 and the press fixture block 32.
The maintenance box has included last box 2 and lower box 1, under the initial condition, lower box 1 passes through the top of the sedan-chair elevator of bolt mounting at the sedan-chair elevator, and switch on the power of maintenance box and elevator, antifouling lid 3 seals the lock to last box 2, can prevent the surface antifouling treatment of sedan-chair elevator maintenance box, avoided the accumulation of dust impurity on last box 2, it is more convenient to use, under the state of use, open antifouling lid 3, the function of maintenance button test car that sets up on through last box 2, and be connected with antifouling membrane 30 at the surface of antifouling lid 3, with the buckling end of antifouling membrane 30 with the surperficial laminating of flange 4, and with the pressure fixture block 32 knot wherein in draw-in groove 31, realized the connection fixedly of antifouling lid 3 and antifouling membrane 30, antifouling membrane 30 carries out antifouling treatment to the surface of antifouling lid 3, double protection, lamp 7 is hidden and is accomodate the inside of placing chamber 5, the mode that the backup power supply and elevator power supply are double-duty is adopted to lamp 7, can prevent because the elevator outage causes lamp 7 can not normally to illuminate, supplementary power supply, and at the night switch on the surface of the lamp 7 at the maintenance box, the electric connection of the maintenance box is guaranteed at the night, the maintenance box is convenient for open at the maintenance box.
Referring to fig. 2 and 3, a positioning plate 9 attached to the pressing groove 6 is mounted on the top surface of the upper case 2, a test button 10 and a reset button 11 are mounted on the surface of the positioning plate 9 in an embedded manner, the reset button 11 is matched with the accommodating cavity 8, a second matching cavity 16 is arranged on the top surfaces of the positioning plate 9 and the upper case 2, a first rotating rod 13 is connected to the inner rotation of the second matching cavity 16, the second matching cavity 16 is arranged corresponding to the first matching cavity 14, a second rotating rod 15 is mounted in the inner rotation of the first matching cavity 14, and the second rotating rod 15 is connected with the first rotating rod 13 in a rotating manner through a pin shaft.
The first rotating rod 13 and the second rotating rod 15 are contained in the first matching cavity 16 and the first matching cavity 14, under the use state, the upper box body 2 and the anti-fouling cover 3 are rotated to be opened, the first rotating rod 13 and the second rotating rod 15 are driven to rotate while being opened, one end of the first rotating rod 13 rotates in the second matching cavity 16, one end of the second rotating rod 15 rotates in the first matching cavity 14, when the first rotating rod 13 and the second rotating rod 15 rotate to the same straight line, the first rotating rod 13 and the second rotating rod 15 assist in fixing the anti-fouling cover 3, and at the moment, an inclined angle exists between the anti-fouling cover 3 and the upper box body 2, so that the lighting effect of the lighting lamp 7 is better.
Referring to fig. 2 and 4, an insert block 20 is fixedly connected to the bottom surface of the upper case 2, a positioning hole two 21 with a bayonet is formed on the surface of the insert block 20 in a penetrating manner, a positioning groove 17 matched with the insert block 20 is formed on the top surface of the lower case 1, a positioning hole one 18 with a bayonet is formed on the inner wall of the positioning groove 17, an annular blocking cavity 19 is formed in the inner cavity of the positioning hole one 18, and a positioning hole three 24 collinear with the positioning hole one 18 is formed on the outer surface of the lower case 1.
Referring to fig. 4, the positioning hole three 24, the positioning hole two 21 and the positioning hole one 18 are inserted together with a positioning shift lever 22, and the outer surface of the positioning shift lever 22 is fixedly connected with a limiting block 23 penetrating into the bayonet and abutting against the annular blocking cavity 19.
The upper box body 2 and the lower box body 1 of the overhaul box are designed into a detachable structure, when the overhaul box is overhauled, the positioning deflector 22 is rotationally stirred, the limiting block 23 on the positioning deflector 22 rotates in the annular blocking cavity 19 and reaches the position of the bayonet, then the positioning deflector 22 is pulled outwards, the limiting block 23 penetrates through the bayonet to leave the inner part of the first positioning hole 18, the second positioning hole 21 and the third positioning hole 24, at the moment, the upper box body 2 and the lower box body 1 are separated, the electric elements in the overhaul box are rapidly overhauled, and the normal work of the overhaul box is ensured.
Referring to fig. 2, 5 and 6, a heat dissipation air duct 33 is further disposed in the lower case 1, a heat dissipation fan 26 is disposed in the heat dissipation air duct 33, an air outlet 12 is disposed on one side surface of the lower case 1, an air inlet 25 is disposed on the other side surface of the lower case 1, and the air inlet 25, the air outlet 12 and the heat dissipation air duct 33 are on the same horizontal line.
Referring to fig. 5 and 6, an inner wall of the lower case 1 is provided with a mounting cavity 27 communicating with the air inlet 25 and the air outlet 12, a dust-proof plate 28 is mounted in the mounting cavity 27 in a matching manner, and a dust-proof net 29 is disposed in the dust-proof plate 28.
When the air conditioner is used, the heat dissipation fan 26 works in the heat dissipation air duct 33, external air enters the lower box body 1 through the air inlet 25, then passes through the dust prevention plate 28 and the dust prevention net 29 to prevent the external air from carrying impurities, and ensures the working environment of the maintenance box, wherein heat generated in the lower box body 1 is discharged from the air outlet 12 under the air outlet of the heat dissipation fan 26, so that the temperature in the lower box body 1 is at a lower level, and the air conditioner is suitable for the work of electric elements in the lower box body 1.
Working principle:
when the anti-fouling cover 3 is used, the upper box body 2 is closed and buckled, the anti-fouling treatment on the outer surface of the elevator maintenance box of the elevator car is realized, dust impurities are prevented from accumulating on the upper box body 2, the anti-fouling cover 3 is more convenient to use, in a use state, the function of the elevator car is tested through an maintenance button arranged on the upper box body 2, an anti-fouling film 30 is connected to the outer surface of the anti-fouling cover 3, the bending end of the anti-fouling film 30 is attached to the surface of the convex plate 4, and a pressing clamping block 32 in the anti-fouling film is buckled in a clamping groove 31, so that the anti-fouling cover 3 and the anti-fouling film 30 are connected and fixed, and the anti-fouling film 30 performs anti-fouling treatment on the surface of the anti-fouling cover 3, so that double protection is realized;
The upper box body 2 and the anti-fouling cover 3 are rotated and opened, the first rotating rod 13 and the second rotating rod 15 are driven to rotate while the upper box body is opened, one end of the first rotating rod 13 rotates in the second matching cavity 16, one end of the second rotating rod 15 rotates in the first matching cavity 14, and when the first rotating rod 13 and the second rotating rod 15 rotate to the same straight line, the anti-fouling cover 3 is fixed in an auxiliary mode through the first rotating rod 13 and the second rotating rod 15, and at the moment, an inclined angle exists between the anti-fouling cover 3 and the upper box body 2, so that the lighting effect of the lighting lamp 7 is better;
The positioning deflector rod 22 is rotated and stirred, the limiting block 23 on the positioning deflector rod 22 rotates in the annular blocking cavity 19 and reaches the position of the bayonet, then the positioning deflector rod 22 is pulled outwards, the limiting block 23 penetrates through the bayonet to leave the inner parts of the first positioning hole 18, the second positioning hole 21 and the third positioning hole 24, at the moment, separation is realized between the upper box body 2 and the lower box body 1, rapid overhaul of electrical elements in an overhaul box is facilitated, and normal operation of the overhaul box is ensured;
the outside gas enters into the inside of lower box 1 by air inlet 25, later passes dustproof interception of dust guard 28 and dust screen 29, avoids carrying the entering of impurity in the external gas, has guaranteed the operational environment of maintenance case, and wherein the heat that produces in the lower box 1 is under the air-out of radiator fan 26, is discharged by gas outlet 12 for the temperature in the lower box 1 is in lower level.
The present invention is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present invention.
Claims (3)
1. An antifouling formula car elevator is with sedan-chair top maintenance case, its characterized in that: comprises a lower box body (1), wherein the top surface of the lower box body (1) is connected with an upper box body (2), the end part of the top surface of the upper box body (2) is rotationally hinged with an anti-fouling cover (3) for protecting the overhaul box body,
The lower box body (1) is arranged on the top of the elevator car through bolts, the power supply of the maintenance box and the elevator is turned on, the anti-fouling cover (3) is closed and buckled with the upper box body (2), and the outer surface of the maintenance box of the elevator car is subjected to anti-fouling treatment;
the anti-fouling device is characterized in that a convex plate (4) is fixedly arranged on one side of the top of the anti-fouling cover (3), an anti-fouling film (30) is connected to the upper side of the anti-fouling cover (3), a pressing groove (6) is formed in the anti-fouling cover (3), a placing cavity (5) is formed in the surface of the pressing groove (6), a containing cavity (8) is formed in the lower side of the placing cavity (5), an illuminating lamp (7) for night overhaul is arranged in the inner cavity of the placing cavity (5), and a matching cavity I (14) is formed in two sides of the containing cavity (8);
The utility model discloses a antifouling device, including antifouling membrane (30), flange, buckle terminal surface embedding of antifouling membrane (30) is provided with presses fixture block (32), and antifouling membrane (30) are laminated with antifouling lid (3) and the surface of flange (4), the top of antifouling membrane (30) sets up to the arc structure, the surface of flange (4) is equipped with draw-in groove (31), lock between draw-in groove (31) and the pressing fixture block (32)
Attaching the bending end of the anti-fouling film (30) to the surface of the convex plate (4), buckling a pressing clamping block (32) in the clamping groove (31), and connecting and fixing the anti-fouling cover (3) and the anti-fouling film (30);
The top surface of the upper box body (2) is provided with a positioning plate (9) which is attached to the pressing groove (6), the surface of the positioning plate (9) is embedded with a test button (10) and a reset button (11), and the reset button (11) is matched with the accommodating cavity (8);
The positioning plate (9) and the top surface of the upper box body (2) are respectively provided with a second matching cavity (16), a first rotating rod (13) is rotatably connected in the second matching cavity (16), the second matching cavity (16) and the first matching cavity (14) are correspondingly arranged, a second rotating rod (15) is rotatably arranged in the first matching cavity (14), and the second rotating rod (15) is rotatably connected with the first rotating rod (13) through a pin shaft;
The bottom surface of the upper box body (2) is fixedly connected with an inserting block (20), and a positioning hole II (21) with a bayonet is formed in the surface of the inserting block (20) in a penetrating manner;
The top surface of the lower box body (1) is provided with a positioning groove (17) matched with the insertion block (20), the inner wall of the positioning groove (17) is provided with a positioning hole I (18) with a bayonet, the inner cavity of the positioning hole I (18) is provided with an annular blocking cavity (19), and the outer surface of the lower box body (1) is provided with a positioning hole III (24) collinear with the positioning hole I (18);
the three (24), the second (21) and the first (18) positioning holes are internally plugged with a positioning deflector rod (22), and the outer surface of the positioning deflector rod (22) is fixedly connected with a limiting block (23) penetrating into the bayonet and is abutted against the annular blocking cavity (19).
2. The anti-fouling car elevator car roof maintenance box according to claim 1, characterized in that a heat dissipation air duct (33) is arranged in the lower box body (1), a heat dissipation fan (26) is arranged in the heat dissipation air duct (33), an air outlet (12) is formed in one side surface of the lower box body (1), an air inlet (25) is formed in the other side surface of the lower box body (1), and the air inlet (25), the air outlet (12) and the heat dissipation air duct (33) are positioned on the same horizontal line.
3. The anti-fouling car elevator car roof maintenance box according to claim 2, characterized in that an installation cavity (27) communicated with the air inlet (25) and the air outlet (12) is formed in the inner wall of the lower box body (1), a dust-proof plate (28) is installed in the installation cavity (27) in a matched mode, and a dust-proof net (29) is arranged in the dust-proof plate (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210017453.XA CN114314236B (en) | 2022-01-08 | 2022-01-08 | Antifouling formula car top maintenance case for car elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210017453.XA CN114314236B (en) | 2022-01-08 | 2022-01-08 | Antifouling formula car top maintenance case for car elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114314236A CN114314236A (en) | 2022-04-12 |
| CN114314236B true CN114314236B (en) | 2024-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210017453.XA Active CN114314236B (en) | 2022-01-08 | 2022-01-08 | Antifouling formula car top maintenance case for car elevator |
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| CN (1) | CN114314236B (en) |
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| CN212683921U (en) * | 2020-08-04 | 2021-03-12 | 张海潮 | Emergency repair tool box for electric power emergency |
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| CN114314236A (en) | 2022-04-12 |
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