CN221216779U - Ladder way safety locking device - Google Patents
Ladder way safety locking device Download PDFInfo
- Publication number
- CN221216779U CN221216779U CN202322923082.4U CN202322923082U CN221216779U CN 221216779 U CN221216779 U CN 221216779U CN 202322923082 U CN202322923082 U CN 202322923082U CN 221216779 U CN221216779 U CN 221216779U
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- Prior art keywords
- connecting piece
- telescopic rod
- rod body
- locking device
- ladder way
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- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000001154 acute effect Effects 0.000 claims description 8
- 238000010009 beating Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 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
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of escalator step locking, in particular to a step safety locking device, which comprises a fixed bracket, wherein a first installation area is arranged at the upper end of the fixed bracket, a step locking mechanism is assembled in the first installation area, the step locking mechanism comprises a base assembled in the first installation area, a guide groove is arranged at the front part of the upper end of the base, and a rotary joint is arranged at the rear part of the upper end of the base; the ladder way locking mechanism further comprises a telescopic rod body accommodated in the guide groove, a screw rod is arranged at the front end of the telescopic rod body, a middle connecting piece is arranged at the rear end of the telescopic rod body, and a handle is arranged at the rear end of the middle connecting piece; the middle connecting piece is connected with the telescopic rod body and the telescopic rod body through a rotating shaft; an extending end is arranged between the front end of the handle and the connecting part of the middle connecting piece along the front, and the extending end is connected with the rotary joint; the locking device is convenient to mount and dismount, small in occupied space, flexible to adjust and good in universality.
Description
Technical Field
The utility model relates to the technical field of escalator step locking, in particular to a step safety locking device.
Background
The requirements of the society on the safety performance of the escalator are becoming more stringent, wherein the locking arrangement of the escalator steps is also being required by more and more extensive specifications.
Referring to a Chinese appearance patent document with the application name of 2020.06.19, the escalator step lock has the advantages of heavy design structure, complex installation and poor universality from the aspect of structural appearance, so that the technology designs an improved step safety locking device.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
The ladder way safety locking device comprises a fixed support, wherein a first installation area is arranged at the upper end of the fixed support, a ladder way locking mechanism is assembled in the first installation area, the ladder way locking mechanism comprises a base assembled in the first installation area, a guide groove is arranged at the front part of the upper end of the base, and a rotary joint is arranged at the rear part of the upper end of the base; the ladder way locking mechanism further comprises a telescopic rod body accommodated in the guide groove, a screw rod is arranged at the front end of the telescopic rod body, a middle connecting piece is arranged at the rear end of the telescopic rod body, and a handle is arranged at the rear end of the middle connecting piece; the front end of the middle connecting piece is connected with the telescopic rod body, and the rear end of the middle connecting piece is connected with the telescopic rod body by a rotating shaft; and an extending end is arranged between the front end of the handle and the joint of the middle connecting piece along the front, the extending end is connected with the rotary joint, and an included angle formed by the extending end and the handle is an acute angle.
Further, the acute angle formed by the extending end and the handle is positioned below.
Further, the middle connecting piece comprises a left connecting piece and a right connecting piece, the front end and the rear end of the left connecting piece and the right connecting piece are assembled by a rotating shaft, a groove is arranged between the insides of the left connecting piece and the right connecting piece, and the extending end is positioned in the groove.
Further, the upper end of the fixed support is also provided with a second installation area, the second installation area is positioned at the side of the first installation area, a limit switch is assembled in the second installation area, and the rear end of the limit switch is provided with a contact.
Further, the switch board is Z-shaped, the front end panel of the switch board is locked on the screw rod through the nut, and the rear end panel of the switch board is positioned behind the contacts.
Further, an adjusting long hole is formed in the fixing support, and the base is assembled in the adjusting long hole through a screw.
The beneficial effects of the utility model are as follows:
The ladder way safety locking device is convenient to install and detach, small in occupied space, flexible to adjust, good in universality and capable of achieving mechanical and electrical double locking.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of the present utility model.
Fig. 2 is a schematic diagram of an assembled structure of the present utility model.
Fig. 3 is a schematic diagram of a first principle of operation of the ladder way locking mechanism.
Fig. 4 is a schematic diagram of a second principle of action of the ladder way locking mechanism.
The figures in the drawings are respectively: the ladder way locking device comprises a fixed support-1, a first installation area-101, a ladder way locking mechanism-2, a base-201, a rotary joint-202, a telescopic rod body-203, a screw rod-204, a middle connecting piece-205, a handle-206, an extension end-207, a rotating shaft-208, a groove-209, a guide groove-210, a second installation area-102, a limit switch-3, a contact-301, a switch opening plate-302 and an adjustment long hole-303.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the utility model comprises a fixed bracket 1, a first installation area 101 is arranged at the upper end of the fixed bracket 1, a ladder way locking mechanism 2 is assembled in the first installation area 101, the ladder way locking mechanism 2 comprises a base 201 assembled in the first installation area 101, a guide groove 210 is arranged at the front part of the upper end of the base 201, and a rotary joint 202 is arranged at the rear part of the upper end of the base 201; the ladder way locking mechanism 2 further comprises a telescopic rod body 203 accommodated in the guide groove 210, a screw 204 is arranged at the front end part of the telescopic rod body 203, a middle connecting piece 205 is arranged at the rear end of the telescopic rod body 203, and a handle 206 is arranged at the rear end of the middle connecting piece 205; the front end of the intermediate connecting piece 205 is connected with the telescopic rod 203, and the rear end of the intermediate connecting piece 205 is connected with the telescopic rod 203 by a rotating shaft 208; and an extending end 207 is arranged at the front end of the handle 206 and between the connecting part of the handle and the middle connecting piece 205 along the front direction, the extending end 207 is connected with the rotary joint 202, and an included angle formed by the extending end 207 and the handle 206 is an acute angle.
The ladder way safety locking device mainly comprises a fixed support 1 for assembling a ladder way locking mechanism 2 and a fixed support 1 for assembling the ladder way safety locking mechanism in the middle of a ladder way, so that the ladder way safety locking mechanism is assembled into a whole.
For the arrangement of the ladder way locking mechanism 2, the ladder way locking mechanism is assembled in the first installation area 101 on the fixed support 1 and is assembled and fixed by the base 201, the design of the upper end of the base 201 is provided with a guide groove 210 at the front part of the upper end of the base 201, and a rotary joint 202 is arranged at the rear part of the upper end of the base 201, meanwhile, the ladder way locking mechanism 2 comprises a telescopic rod body 203, a screw 204 is arranged at the front end part of the telescopic rod body 203, and a locking nut can be assembled on the screw 204 and used for locking between the screw 204 and a ladder way driving chain. And the rear end of the telescopic rod body 203 is provided with a middle connecting piece 205, the rear end of the middle connecting piece 205 is provided with a handle 206, the middle connecting piece 205 is connected with the telescopic rod body 203 and the handle 206 by adopting a rotating shaft 208 connection mode, meanwhile, the front end of the handle 206 is also provided with an extending end 207 along the front between the connecting part of the handle 206 and the middle connecting piece 205, the extending end 207 is connected with the rotary joint 202, and an included angle formed by the extending end 207 and the handle 206 integrally forms an acute angle.
The principle is as follows: the front telescopic rod 203 realizes front-back telescopic displacement in the guide groove 210, and the connection relation of the rear end is as follows: the middle connecting piece 205 is connected with the rotating shaft 208 between the telescopic rod body 203 and the handle 206, meanwhile, the front end of the handle 206 is also extended with the extending end 207 connected with the rotating joint 202, the included angle formed by the extending end 207 and the handle 206 is an acute angle, the acute angle is positioned at a lower position, when the handle 206 is lifted upwards, the integral handle 206 is stressed, the extending end 207 rotates along the rotating joint 202, so that the joint between the handle 206 and the extending end 207 rotates, at the moment, the middle connecting piece 205 is applied with force when the joint rotates, and the stress of the middle connecting piece 205 and the telescopic rod body 203 is decomposed due to the guiding effect of the guide groove 210, so that when the handle 206 is lifted upwards, the telescopic rod body 203 is synchronously forwards due to the forward of the handle 206. Thereby completing the forward and backward displacement of the mechanism. And a locking nut can be loaded on the screw 204 at the front end of the telescopic rod body 203, the screw 204 leans against the driving chain, and then the locking nut can complete the locking of the ladder way.
For the setting of intermediate connector 205, in order to realize the accommodation of front and rear end extension end 207, intermediate connector 205 comprises left and right connection piece, and left and right connection piece front and rear end is assembled by pivot 208 to be equipped with recess 209 between the inside of left and right connection piece, extension end 207 is in recess 209.
Further, in order to realize the ladder way safety locking device of mechanical and electrical double locking, on the basis of mechanical locking, an electrical locking is loaded, and the ladder way safety locking device is structurally designed in such a way that the upper end of a fixed support 1 is further provided with a second installation area 102, the second installation area 102 is positioned at the side of a first installation area 101, a limit switch 3 is assembled in the second installation area 102, the rear end of the limit switch 3 is provided with a contact 301, the ladder way safety locking device further comprises a Z-shaped switch board 302, the front end panel of the switch board 302 is locked on a screw 204 through a nut, and the rear end panel of the switch board 302 is positioned behind the contact 301. Namely, in the process that the telescopic rod body 203 extends forwards, the rear end panel of the switch beating plate 302 gradually leans against the contact 301 at the rear end of the limit switch 3 until the contact 301 is contacted, and the contact 301 is connected with a signal circuit of a ladder way through the limit switch 3, so that the contact 301 can be triggered to realize the simultaneous locking of the ladder way, and the safety locking of the ladder way is safer.
Meanwhile, in order to match the position adjustment of the ladder way locking mechanism 2 on the fixed bracket 1, an adjustment long hole 303 is formed on the fixed bracket 1, the base 201 is assembled in the adjustment long hole 303 through a screw, and the position of the ladder way locking mechanism 2 is convenient to move through the position in the adjustment long hole 303.
The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.
Claims (6)
1. The utility model provides a ladder way safety locking device, includes a fixed bolster (1), and fixed bolster (1) upper end is equipped with first installation district (101), has assembled ladder way locking mechanism (2), its characterized in that in first installation district (101):
The ladder way locking mechanism (2) comprises a base (201) assembled in the first installation area (101), a guide groove (210) is formed in the front part of the upper end of the base (201), and a rotary joint (202) is arranged at the rear part of the upper end of the base (201);
The ladder way locking mechanism (2) further comprises a telescopic rod body (203) accommodated in the guide groove (210), a screw rod (204) is arranged at the front end part of the telescopic rod body (203), an intermediate connecting piece (205) is arranged at the rear end of the telescopic rod body (203), and a handle (206) is arranged at the rear end of the intermediate connecting piece (205);
Wherein, a rotating shaft (208) connection mode is adopted between the front end of the middle connecting piece (205) and the telescopic rod body (203) and between the rear end of the middle connecting piece (205) and the telescopic rod body (203);
And an extending end (207) is arranged between the front end of the handle (206) and the connecting part of the middle connecting piece (205) along the front, the extending end (207) is connected with the rotary joint (202), and an included angle formed by the extending end (207) and the handle (206) in a whole is an acute angle.
2. The stair safety locking device according to claim 1, wherein: the acute angle formed by the extension end (207) and the handle (206) is positioned below.
3. The stair safety locking device according to claim 1, wherein: the middle connecting piece (205) is composed of a left connecting piece and a right connecting piece, the front end and the rear end of the left connecting piece and the right connecting piece are assembled by a rotating shaft (208), a groove (209) is arranged between the insides of the left connecting piece and the right connecting piece, and the extending end (207) is positioned in the groove (209).
4. The stair safety locking device according to claim 1, wherein: the upper end of the fixed support (1) is also provided with a second installation area (102), the second installation area (102) is positioned at the side of the first installation area (101), a limit switch (3) is assembled in the second installation area (102), and the rear end of the limit switch (3) is provided with a contact (301).
5. The ladder way safety locking device of claim 4, wherein: the novel switch is characterized by further comprising a Z-shaped switch beating plate (302), wherein the front end panel of the switch beating plate (302) is locked on the screw rod (204) through a nut, and the rear end panel of the switch beating plate (302) is positioned behind the contact (301).
6. The stair safety locking device according to claim 1, wherein: the fixed bracket (1) is provided with an adjusting long hole (303), and the base (201) is assembled in the adjusting long hole (303) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322923082.4U CN221216779U (en) | 2023-10-31 | 2023-10-31 | Ladder way safety locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322923082.4U CN221216779U (en) | 2023-10-31 | 2023-10-31 | Ladder way safety locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221216779U true CN221216779U (en) | 2024-06-25 |
Family
ID=91570087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322923082.4U Active CN221216779U (en) | 2023-10-31 | 2023-10-31 | Ladder way safety locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221216779U (en) |
-
2023
- 2023-10-31 CN CN202322923082.4U patent/CN221216779U/en active Active
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