CN215710890U - Elevator car safety box - Google Patents
Elevator car safety box Download PDFInfo
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- CN215710890U CN215710890U CN202121565272.8U CN202121565272U CN215710890U CN 215710890 U CN215710890 U CN 215710890U CN 202121565272 U CN202121565272 U CN 202121565272U CN 215710890 U CN215710890 U CN 215710890U
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- elevator car
- safety box
- car safety
- box body
- support
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Abstract
The utility model relates to the technical field of elevators, in particular to an elevator car safety box. The elevator car safety box is arranged on an elevator car and used for reading information of a magnetic tape vertically arranged in an elevator shaft; the elevator car safety box comprises a box body and a support, wherein one end of the support is connected with the box body, and the other end of the support is connected with the elevator car through a fastening piece; the elevator car safety box is provided with a tape placing groove, and a tape can penetrate through the tape placing groove; the elevator car safety box can move along the length direction of the magnetic tape along with the lifting of the elevator car; wherein, the support is provided with a limiting structure, and the fastener penetrates through the limiting structure to connect the support with the elevator car. The utility model has the advantages that: convenient installation, low cost and simple structure.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator car safety box.
Background
The elevator car safety box is used for measuring the absolute position of the elevator car in the elevator shaft so as to improve the safety performance of the elevator; the magnetic tape is vertically arranged in the elevator shaft and penetrates through the elevator car safety box, and the elevator car safety box can read information on the magnetic tape.
The existing elevator car safety box is difficult to fix in position and easy to shake in the process of being installed on an elevator car, and the magnetic tape penetrating through the elevator car safety box is abraded due to improper installation of the position of the elevator car safety box, so that the service life is prolonged.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for an elevator car safety box that is easy to install, low in cost, and simple in structure.
In order to solve the technical problem, the application provides the following technical scheme:
a safety box of an elevator car is arranged on the elevator car and used for reading information of a magnetic tape vertically arranged in an elevator shaft; the elevator car safety box comprises a box body and a support, wherein one end of the support is connected with the box body, and the other end of the support is connected with the elevator car through a fastening piece; the elevator car safety box is provided with a tape placing groove, and the tape can penetrate through the tape placing groove; the elevator car safety box can move along the length direction of the magnetic tape along with the lifting of the elevator car;
wherein, limit structure has on the support, the fastener wears to establish limit structure and with the support with elevator car is connected.
In this application, through set up limit structure on the support to wear to locate limit structure with the fastener and be connected the support with elevator car, can prevent that elevator car safety box from producing in the installation and rocking, avoid the tape bending deformation, and, can guarantee that tape and elevator car safety box keep parallel relatively, avoid long-time operation to lead to the tape wearing and tearing, thereby improve the life of tape.
In one embodiment, a strip-shaped hole is formed in one end, away from the box body, of the support, and the support can adjust the relative distance between the support and an elevator car along the length direction of the strip-shaped hole;
wherein, follow the length direction in bar hole, be equipped with a plurality of spacing grooves on the pore wall in bar hole in order to form limit structure, the one end of fastener is worn to establish the spacing groove and with elevator car is connected.
So set up, the spacing groove has limiting displacement, and the fastener is installed in the support production behind the bar hole and is rocked in the position of fixed bolster.
In one embodiment, a guide groove for fixing one end of the bracket is formed in the side surface of the box body, and the bracket can adjust the fixing position of the bracket along the guide groove.
So set up, be convenient for adjust the fixed position of support one end in the guide way to the relative position of adjustment elevator car safety box and elevator car.
In one embodiment, the elevator car safety box further comprises a bolt and a nut, one end of the bolt is located in the guide groove, and the other end of the bolt penetrates out of the notch of the guide groove, penetrates through the support and is connected with the nut.
By the arrangement, when the box body is assembled or replaced for the second time, the nut can apply pretightening force by hand, an external tool is not needed, meanwhile, the position of the bolt in the guide groove is convenient to adjust, the operation is convenient and flexible, and time and labor are saved; and moreover, the assembly interchangeability is strong, and the interference between the bolt and the box body caused by the overlong length of the bolt can be avoided.
In one embodiment, the elevator car safety box further comprises an end cover and a countersunk head screw, at least one end of the box body is arranged in an open mode, and the end cover is arranged at the open position and is installed on the box body through the countersunk head screw.
So set up, use countersunk screw, when assembling, dismantling and maintaining elevator car safety box, easy operation, convenience and save time.
In one embodiment, the end cap is provided with a sunk groove, the sunk screw is provided with an installation part accommodated in the sunk groove and a connecting part connected with the installation part, and one end of the connecting part penetrates through the sunk groove and is connected with the box body.
According to the arrangement, the mounting part of the countersunk head screw is accommodated in the sinking groove, so that the smoothness of the outer surface of the end cover can be ensured, and the attractiveness of the elevator car safety box is improved.
In one embodiment, the elevator car safety box further comprises a seal disposed between the end cover and the opening.
According to the arrangement, the sealing performance and the waterproof performance of the elevator car safety box can be improved, so that the service life of the elevator car safety box is prolonged.
In one embodiment, the box body is made of ABS material or aluminum alloy material.
By the arrangement, under the condition that the heating temperature of the electronic element on the printed circuit board is not high, the box body made of the ABS material can meet the heat dissipation requirement of the printed circuit board, and the cost is reduced; under the condition that the heating temperature of the electronic elements on the printed circuit board is higher, the box body made of the aluminum alloy material can enhance the heat dissipation effect of the printed circuit board and avoid high temperature damage to the electronic elements on the printed circuit board.
In one embodiment, the elevator car safety box further comprises a printed circuit board installed in the box body, the outer surface of the box body made of aluminum alloy has a heat dissipation structure, the heat dissipation structure and the printed circuit board are correspondingly arranged, and the heat dissipation structure is wavy or zigzag.
So set up, heat radiation structure can strengthen the heat dissipation, and the inside electronic component that can not damage on the printed circuit board because of the high temperature of protection box body to, the area of contact of box body and outside air can be increased to wavy or cockscomb structure's heat radiation structure, thereby improves the radiating effect, improves elevator car safety box's life.
In one embodiment, the heat dissipation structure has a plurality of recesses extending in the direction of travel of the elevator car.
So set up, the depressed part can increase the area of contact of box body and outside air to improve the radiating effect, improve elevator car safety box's life.
Compared with the prior art, the elevator car safety box that this application provided is through setting up limit structure on the support to wear to locate limit structure with the fastener and be connected the support with elevator car, can prevent that elevator car safety box from producing in the installation and rocking, avoid the tape bending deformation, and, can guarantee that tape and elevator car safety box keep parallel relatively, avoid long-time operation to lead to the tape wearing and tearing, thereby improve the life of tape.
Drawings
Fig. 1 is a schematic structural view of an elevator car safety box provided by the present invention.
Fig. 2 is an exploded view of an elevator car safety box provided by the present invention.
Fig. 3 is a partial structural schematic view of an elevator car safety box provided by the present invention.
In the figure, 100, an elevator car safety box; 10. a box body; 11. a heat dissipation structure; 12. a recessed portion; 13. a guide groove; 14. opening the mouth; 15. mounting grooves; 20. a printed circuit board; 30. a support; 31. a limiting structure; 311. a strip-shaped hole; 3111. a limiting groove; 40. a bolt; 41. a nut; 50. an end cap; 51. sinking a groove; 60. countersunk head screws; 61. a connecting portion; 62. an installation part; 70. a seal member; 80. a plastic strip with a groove; 81. a flat plastic strip; 82. a tape placement slot; 90. and a stop block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an elevator car safety box 100 according to the present invention. The present application provides an elevator car safety box 100, which is installed on an elevator car (not shown) and is used for reading information of a magnetic tape (not shown) vertically arranged in an elevator shaft (not shown), so as to measure an absolute position of the elevator car in the elevator shaft, thereby improving the safety performance of the elevator.
Referring to fig. 2, fig. 2 is an exploded view of an elevator car safety box 100 according to the present invention. The elevator car safety box 100 comprises a box body 10 and a bracket 30, wherein one end of the bracket 30 is connected with the box body 10, and the other end of the bracket 30 is connected with an elevator car through a fastening piece (not shown); the elevator car safety box 100 is provided with a tape placing groove 82, and a tape can penetrate through the tape placing groove 82; the car safety box 100 can move in the longitudinal direction of the magnetic tape as the elevator car ascends and descends.
Furthermore, the support 30 is provided with a limiting structure 31, and a fastener penetrates through the limiting structure 31 to connect the support 30 with the elevator car. Through set up limit structure 31 on support 30 to wear to locate limit structure 31 with the fastener and be connected support 30 and elevator car, can prevent that elevator car safety box 100 from producing in the installation and rocking, avoid the tape bending deformation, and, can guarantee that tape and elevator car safety box 100 keep parallel relatively, avoid long-time operation to lead to the tape wearing and tearing, thereby improve the life of tape.
Specifically, a strip-shaped hole 311 is formed in one end, away from the box body 10, of the support 30, and the support 30 can adjust the relative distance between the support 30 and the elevator car along the length direction of the strip-shaped hole 311; along the length direction of the strip-shaped hole 311, a plurality of limiting grooves 3111 are arranged on the hole wall of the strip-shaped hole 311 to form a limiting structure 31, and one end of the fastener penetrates through the limiting grooves 3111 and is connected with the elevator car. Spacing groove 3111 has limiting displacement, can fixed bolster 30's position, avoids the fastener to install and produces in the support 30 behind bar-shaped hole 311 and rocks.
Referring to fig. 2 and 3, fig. 3 is a schematic view of a part of the elevator car safety box 100 according to the present invention. The mounting groove 15 has still been seted up to the box body 10 of elevator car safety box 100, and mounting groove 15 runs through the both ends of box body 10 respectively, and elevator car safety box 100 still includes trough of belt plastic strip 80 and dull and stereotyped plastic strip 81, and trough of belt plastic strip 80 and dull and stereotyped plastic strip 81 are all installed in mounting groove 15, and form the tape standing groove 82 between trough of belt plastic strip 80 and the dull and stereotyped plastic strip 81, and the tape alternates in tape standing groove 82. The arrangement of the limiting groove 3111 on the strip-shaped hole 311 can ensure that the elevator car safety box 100 and the magnetic tape inserted in the tape placing groove 82 keep opposite and parallel, so as to prolong the service life of the magnetic tape.
Referring to fig. 2 and 3, the side of the box 10 is provided with a guide groove 13 for fixing one end of the bracket 30, and the bracket 30 can adjust the fixing position of the bracket 30 along the guide groove 13, thereby adjusting the relative position of the car safety box 100 and the car.
Further, the elevator car safety box 100 further includes a bolt 40 and a nut 41, wherein one end of the bolt 40 is located in the guide groove 13, and the other end of the bolt 40 penetrates through the notch of the guide groove 13 and the bracket 30, and is connected with the nut 41. When the box body 10 is assembled or replaced for the second time, the nut 41 can apply pretightening force by hands without an external tool, and meanwhile, the position of the bolt 40 in the guide groove 13 is convenient to adjust, the operation is convenient and flexible, and time and labor are saved; moreover, the assembling interchangeability is strong, and the interference with the box body 10 due to the overlong length of the bolt 40 is avoided.
Referring to fig. 2, the elevator car safety box 100 further includes an end cover 50 and a countersunk screw 60, at least one end of the box body 10 is disposed at the opening 14, and the end cover 50 is covered at the opening 14 and is mounted on the box body 10 through the countersunk screw 60. The countersunk head screw 60 is used, so that the operation is simple, convenient and time-saving when the elevator car safety box 100 is assembled, disassembled and maintained.
Furthermore, the end cap 50 is provided with a sinking groove 51, the countersunk head screw 60 is provided with an installation part 62 accommodated in the sinking groove 51 and a connection part 61 connected with the installation part 62, and one end of the connection part 61 penetrates through the sinking groove 51 and is connected with the box body 10. The mounting portion 62 of the countersunk screw 60 is received in the countersunk groove 51, and the flatness of the outer surface of the end cover 50 can be ensured, thereby improving the aesthetic appearance of the elevator car safety box 100.
The elevator car safety box 100 further comprises a stop block 90, a sunk groove 51 is formed in the stop block 90, the stop block 90 is connected with the end cover 50 through a sunk screw 60, and the stop block 90 is arranged at a position capable of blocking part of the mounting groove 15.
Specifically, the countersunk groove 51 is a tapered chamfer that matches the shape of the mounting portion 62 of the countersunk screw 60. Of course, in other embodiments, the mounting portion 62 of the countersunk head screw 60 may have other shapes, such as a square, and the countersunk groove 51 may also have a square groove, as long as the shape of the mounting portion 62 of the countersunk head screw 60 is matched.
Referring to fig. 2 and 3, in the present application, the box body 10 is made of ABS material or aluminum alloy material. Under the condition that the heating temperature of electronic elements on the printed circuit board 20 is not high, the box body 10 made of the ABS material can meet the heat dissipation requirement of the printed circuit board 20, and the cost is reduced; under the condition that the heating temperature of the electronic components on the printed circuit board 20 is high, the box body 10 made of the aluminum alloy material can enhance the heat dissipation effect of the printed circuit board 20, and prevent the electronic components on the printed circuit board 20 from being damaged by high temperature.
Further, referring to fig. 2 and 3, the elevator car safety box 100 further includes a printed circuit board 20 installed in the box body 10, the outer surface of the box body 10 made of aluminum alloy has a heat dissipation structure 11, the heat dissipation structure 11 is disposed corresponding to the printed circuit board 20, and the heat dissipation structure 11 is wavy or zigzag. The heat dissipation structure 11 can strengthen the heat dissipation, protect the inside electronic component that can not damage on the printed circuit board 20 because of the high temperature of box body 10 to, the area of contact of box body 10 and outside air can be increased to wavy or cockscomb structure's heat dissipation structure 11, thereby improves the radiating effect, improves elevator car safety box 100's life. Of course, in other embodiments, the heat dissipation structure 11 may have other shapes as long as the effect of enhancing heat dissipation is achieved.
Specifically, the heat dissipation structure 11 has a plurality of recesses 12 extending in the elevator car traveling direction. The recess 12 can increase the contact area between the case 10 and the external air, thereby improving the heat dissipation effect and prolonging the service life of the car safety box 100. In other embodiments, the concave portion 12 may also be disposed in other manners as long as the contact area between the box 10 and the outside air can be increased, and the heat dissipation effect can be improved, for example, the concave portion 12 may be obliquely disposed on the outer surface of the box 10 made of an aluminum alloy material.
Referring to fig. 2, the elevator car security box 100 further includes a sealing member 70, and the sealing member 70 is disposed between the end cover 50 and the opening 14. The sealing property and the waterproof property of the elevator car safety box 100 can be improved, so that the service life of the elevator car safety box 100 is prolonged.
Further, the sealing member 70 is a gasket, and is adhered to the inner side surface of the end cover 50 by glue, and then assembled with the box body 10, so that the whole elevator car safety box 100 has better sealing performance and higher waterproof grade. In the present application, the two ends of the box 10 are both open 14, and the two ends are installed in the same manner, and are both provided with the sealing member 70 and the end cover 50, and are installed by the countersunk head screws 60.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.
Claims (10)
1. A safety box of an elevator car is arranged on the elevator car and used for reading information of a magnetic tape vertically arranged in an elevator shaft; the safety box of the elevator car is characterized by comprising a box body and a support, wherein one end of the support is connected with the box body, and the other end of the support is connected with the elevator car through a fastening piece; the elevator car safety box is provided with a tape placing groove, and the tape can penetrate through the tape placing groove; the elevator car safety box can move along the length direction of the magnetic tape along with the lifting of the elevator car;
wherein, limit structure has on the support, the fastener wears to establish limit structure and with the support with elevator car is connected.
2. The elevator car safety box according to claim 1, wherein a strip-shaped hole is formed in one end, away from the box body, of the support, and the support can adjust the relative distance between the support and the elevator car along the length direction of the strip-shaped hole;
wherein, follow the length direction in bar hole, be equipped with a plurality of spacing grooves on the pore wall in bar hole in order to form limit structure, the one end of fastener is worn to establish the spacing groove and with elevator car is connected.
3. An elevator car safety box according to claim 1, wherein the side of the box body is provided with a guide groove for fixing one end of the bracket, and the bracket can adjust the fixing position of the bracket along the guide groove.
4. The elevator car safety box of claim 3, further comprising a bolt and a nut, wherein one end of the bolt is positioned in the guide slot and the other end of the bolt extends out of the slot opening of the guide slot, through the bracket, and is connected to the nut.
5. The elevator car safety box of claim 1, further comprising an end cap and a countersunk screw, wherein at least one end of the box body is open, and the end cap is covered at the opening and mounted on the box body by the countersunk screw.
6. The elevator car safety box of claim 5, wherein the end cap has a recessed slot, the countersunk screw has an installation portion received in the recessed slot and a connection portion connected to the installation portion, and one end of the connection portion penetrates through the recessed slot and is connected to the box body.
7. The elevator car safety box of claim 6, further comprising a seal disposed between the end cap and the opening.
8. The elevator car safety box of claim 1, wherein the box body is made of ABS or aluminum alloy.
9. The elevator car safety box of claim 8, further comprising a printed circuit board mounted in the box body, wherein the outer surface of the box body made of aluminum alloy has a heat dissipation structure, the heat dissipation structure corresponds to the printed circuit board, and the heat dissipation structure is wavy or serrated.
10. The elevator car safety box of claim 9, wherein the heat dissipating structure has a plurality of depressions extending in the direction of elevator car travel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121565272.8U CN215710890U (en) | 2021-07-08 | 2021-07-08 | Elevator car safety box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121565272.8U CN215710890U (en) | 2021-07-08 | 2021-07-08 | Elevator car safety box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215710890U true CN215710890U (en) | 2022-02-01 |
Family
ID=80048311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121565272.8U Active CN215710890U (en) | 2021-07-08 | 2021-07-08 | Elevator car safety box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215710890U (en) |
-
2021
- 2021-07-08 CN CN202121565272.8U patent/CN215710890U/en active Active
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