CN212454009U - Locking mechanism driven by steel wire rope - Google Patents
Locking mechanism driven by steel wire rope Download PDFInfo
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- CN212454009U CN212454009U CN202020118306.8U CN202020118306U CN212454009U CN 212454009 U CN212454009 U CN 212454009U CN 202020118306 U CN202020118306 U CN 202020118306U CN 212454009 U CN212454009 U CN 212454009U
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- wire rope
- locking
- steel wire
- locking mechanism
- roller
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Abstract
The utility model provides a locking mechanism driven by a steel wire rope, which is used for locking an emergency evacuation door and comprises the steel wire rope; the steel wire rope is connected with the lock tongue through the spherical connecting bead, the steel wire rope is further provided with a limiting device and a tightness regulator, the lock tongue is installed in the sliding groove, the lock tongue is provided with a connecting pin, the connecting pin is provided with a locking roller, and the locking roller is locked into the lock seat or withdrawn from the lock seat under the movement of the lock tongue. The locking mechanism driven by the steel wire rope provided by the utility model occupies small space; the rolling friction locking force between the locking roller and the lock seat is small, so that the operation of personnel is convenient; the locking mechanism can be arranged on a curved surface to realize linear motion locking; the locking mechanism is provided with four locking rollers, so that the good sealing performance of the evacuation door can be ensured; the locking mechanism is applied to the side-sway evacuation door, occupies small space, facilitates the design of the evacuation door and is convenient to maintain.
Description
Technical Field
The utility model relates to a locking mechanism field, concretely relates to with driven locking mechanism of wire rope.
Background
At present, emergency evacuation doors are arranged at the front ends of cabs of urban subways, and locking mechanisms are arranged on the emergency evacuation doors to ensure that the evacuation doors are in a locking state. However, the existing emergency evacuation door locking mechanism has the following defects:
1. the existing emergency evacuation door locking mechanism cannot be used on a side-swinging type evacuation door;
2. the existing locking mechanism of the emergency evacuation door occupies a large space.
3. Most of the existing emergency evacuation door locking mechanisms are two-point locking, and the sealing and waterproof performance of the evacuation door cannot be ensured when the emergency evacuation door locking mechanism is used on a side-swinging door.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, an object of the present invention is to provide a locking mechanism driven by a steel wire rope, which is used for locking an emergency evacuation door, and comprises a steel wire rope; the steel wire rope is connected with the lock tongue through the spherical connecting bead, the steel wire rope is further provided with a limiting device and a tightness regulator, the lock tongue is installed in the sliding groove, the lock tongue is provided with a connecting pin, the connecting pin is provided with a locking roller, and the locking roller is locked into the lock seat or withdrawn from the lock seat under the movement of the lock tongue.
In some embodiments, the emergency evacuation door further comprises a roller connected with a fixed seat, a V-shaped groove is formed in the roller, the steel wire rope is installed in the V-shaped groove, the movement direction of the steel wire rope 1 is converted through a guide wheel, and the fixed seat is connected with a door panel of the emergency evacuation door.
In some embodiments, the emergency evacuation door further comprises a locking handle, the locking handle is connected with a swing arm of the emergency evacuation door, a V-shaped groove is also formed in the swing arm to guide the steel wire rope, when the locking handle is rotated, the swing arm drives the steel wire rope to move, the steel wire rope drives a lock tongue to linearly move in the sliding groove, and the lock tongue drives a locking roller to move to realize the opening and locking of the locking mechanism.
Compared with the prior art, the utility model has the advantages that: the locking mechanism driven by the steel wire rope provided by the utility model occupies small space; the rolling friction locking force between the locking roller and the lock seat is small, so that the operation of personnel is convenient; the locking mechanism can be mounted on a curved surface to achieve linear motion locking. The locking mechanism is provided with four locking rollers to ensure that the evacuation door has good sealing performance. The lock mechanism is applied to the side-sway evacuation door, occupies a small space, facilitates the design of the evacuation door and is convenient to maintain.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Fig. 1 is a schematic view of a locking mechanism driven by a wire rope according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a sectional view of a portion of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs.
Referring to fig. 1 to 3, the locking mechanism driven by a steel wire rope according to the present invention includes a steel wire rope 1; the steel wire rope 1 is connected with the lock tongue 5 through the spherical connecting bead 2, the steel wire rope 1 is further provided with the limiting device 3 and the tightness adjuster 4, the lock tongue 5 is installed in the sliding groove 6, the connecting pin 7 is installed on the lock tongue 5, the locking roller 8 is installed on the connecting pin 7, and the locking roller 8 is locked into the lock seat 9 or withdrawn from the lock seat 9 under the movement of the lock tongue 5.
Further, the locking mechanism further comprises a roller 10, the roller 10 is connected with a fixed seat 11, a V-shaped groove is formed in the roller, the steel wire rope 1 is installed in the V-shaped groove, the movement direction of the steel wire rope 1 is converted through a guide wheel 12, and the fixed seat 11 is connected with a door panel of the emergency evacuation door. Through the setting of V type groove, can prevent that wire rope 1 from droing.
Furthermore, the locking mechanism further comprises a locking handle 13, the locking handle 13 is connected with a swing arm of the emergency evacuation door, a V-shaped groove is also formed in the swing arm to guide the steel wire rope, when the locking handle 13 is rotated, the swing arm drives the steel wire rope to move, the steel wire rope drives the lock tongue 5 to move linearly in the sliding groove 6, and the lock tongue 5 drives the locking roller 8 to move to realize the opening and locking of the locking mechanism.
Further, the end of the lock base 9 may include an inclined surface, so that the locking roller 8 can conveniently enter the lock base without being stuck. The joint of the steel wire rope 1 and the tightness adjuster 4 can be composed of a left threaded rod, a right threaded rod and a threaded sleeve; the length of the steel wire rope 1 and the tightness of the steel wire rope 1 are adjusted by screwing the left threaded rod and the right threaded rod into the length of the threaded sleeve; and holes are arranged on the threaded rod and the threaded sleeve to install anti-loosening steel wires so as to ensure that the steel wire rope 1 cannot become loose when the locking mechanism works. The structure is used as a general structure, all parts are connected in a rigid connection mode, the service life is longer, rolling friction exists between the lock tongue 5 and the lock seat 9, and the operating force of the whole locking mechanism is small.
In summary, the locking mechanism driven by the steel wire rope provided by the utility model occupies a small space; the rolling friction locking force between the locking roller and the lock seat is small, so that the operation of personnel is convenient; the locking mechanism can be arranged on a curved surface to realize linear motion locking; the locking mechanism is provided with four locking rollers, so that the good sealing performance of the evacuation door can be ensured; the locking mechanism is applied to the side-sway evacuation door, occupies small space, facilitates the design of the evacuation door and is convenient to maintain.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A locking mechanism driven by a steel wire rope is used for locking an emergency evacuation door and is characterized by comprising a steel wire rope (1); wire rope (1) is connected with spring bolt (5) through spherical connecting bead (2), still be provided with stop device (3) and slack adjuster (4) on wire rope (1), install in spout (6) spring bolt (5), install connecting pin (7) on spring bolt (5), install locking gyro wheel (8) on connecting pin (7), locking gyro wheel (8) are locked into lock seat (9) or are withdrawed from lock seat (9) under the motion of spring bolt (5).
2. A wire rope driven locking mechanism according to claim 1, further comprising a roller (10), wherein the roller (10) is connected to a fixed seat (11), a V-shaped groove is formed in the roller (10), the wire rope (1) is installed in the V-shaped groove, the change of the moving direction of the wire rope (1) is realized through a guide wheel (12), and the fixed seat (11) is connected to the door panel of the emergency evacuation door.
3. The locking mechanism driven by a steel wire rope as claimed in claim 2, further comprising a locking handle (13), wherein the locking handle (13) is connected with a swing arm of the emergency evacuation door, the swing arm is also provided with a V-shaped groove for guiding the steel wire rope, when the locking handle (13) is rotated, the swing arm drives the steel wire rope to move, the steel wire rope drives the lock tongue (5) to move linearly in the sliding groove (6), and the lock tongue (5) drives the locking roller (8) to move to realize the opening and locking of the locking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118306.8U CN212454009U (en) | 2020-01-18 | 2020-01-18 | Locking mechanism driven by steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118306.8U CN212454009U (en) | 2020-01-18 | 2020-01-18 | Locking mechanism driven by steel wire rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212454009U true CN212454009U (en) | 2021-02-02 |
Family
ID=74479415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020118306.8U Active CN212454009U (en) | 2020-01-18 | 2020-01-18 | Locking mechanism driven by steel wire rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212454009U (en) |
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2020
- 2020-01-18 CN CN202020118306.8U patent/CN212454009U/en active Active
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