CN212726242U - Handcart door unlocking device - Google Patents
Handcart door unlocking device Download PDFInfo
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- CN212726242U CN212726242U CN202021489778.0U CN202021489778U CN212726242U CN 212726242 U CN212726242 U CN 212726242U CN 202021489778 U CN202021489778 U CN 202021489778U CN 212726242 U CN212726242 U CN 212726242U
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- unlocking device
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Abstract
The utility model provides a handcart door unlocking device, handcart door unlocking device is including setting up fixed plate on the handcart, setting up baffle in the fixed plate below, setting up at the bracing piece of baffle upper surface, setting up at the locking piece on bracing piece top, setting up at the gyro wheel of baffle lower surface and setting up the control assembly in the baffle below, control assembly includes the control lever and sets up the control block on the control lever, the control block is located the gyro wheel under, the control block upper surface is the rolling track, the horizontal position of rolling track one end is higher than the horizontal position of the other end, the gyro wheel cooperatees with the rolling track, rolls on the rolling track, the bracing piece runs through the fixed plate, the locking piece sets up in the fixed plate top. When the linkage mechanism of the door and the handcart breaks down, the handcart can be in a working position and can be opened through the unlocking device.
Description
Technical Field
The utility model relates to a rail transit technical field especially relates to a handcart door unlocking device.
Background
With the vigorous construction of urban rail transit in China, subway rail transit becomes an important component of urban traffic. Because subway rail transit facilities are generally laid and built underground in cities, the quality requirements on subway related equipment are higher and higher.
In the feeder cabinet, the inlet cabinet, the regenerative feeder cabinet and other cabinet bodies containing circuit breakers in the direct-current traction switch cabinet, according to the five-prevention requirement of the direct-current switch cabinet, when the circuit breaker is in a working position in the use process (namely, an upper pile head and a lower pile head of the circuit breaker are connected with a bus, and the whole cabinet body is provided with high voltage electricity), an operator cannot open a door of the switch cabinet, so that the influence on the life safety of the operator due to misoperation of the operator is prevented. The door of the switchgear cabinet can only be opened when the circuit breaker is in the test position (non-operating position).
In the current design, the cabinet door carries out the linkage with the position of circuit breaker to guarantee when the circuit breaker is at the work position, can't open the cabinet door. However, in the linkage mechanism of the cabinet door and the circuit breaker, when the linkage mechanism in the handcart breaks down mechanically or the screw rod or the handle in the linkage mechanism matched with the handcart breaks down, the cabinet door cannot be opened at the moment, the cabinet door can only be disassembled violently or disassembled from the cabinet, and the door can only be opened forcibly by the mode. Such operation has very big influence to the structure of cupboard, and the later stage difficulty of getting up is also very big to such operation is wasted time and energy, can to a great extent lengthen power supply system's blackout time, and is very big to rail transit's operation's influence.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned not enough that present rail transit technical field's handcart exists, the utility model provides a handcart door unlocking device can realize when the link gear of door and handcart breaks down, the handcart in the work position with also can be through the effect that unlocking device opened the door.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a handcart door unlocking device, handcart door unlocking device is including setting up fixed plate on the handcart, setting up baffle, the bracing piece of setting at the baffle upper surface in the fixed plate below, setting up at the locking piece on bracing piece top, setting up at the gyro wheel of baffle lower surface and setting up the control assembly in the baffle below, control assembly includes the control lever and sets up the control block on the control lever, the control block is located the gyro wheel under, the control block upper surface is the rolling track, the horizontal position of rolling track one end is higher than the horizontal position of the other end, the gyro wheel cooperatees with the rolling track, rolls on the rolling track, the bracing piece runs through the fixed plate, the locking piece sets up in the fixed plate top.
According to the utility model discloses an aspect, control assembly is still including setting up the mount on the fixed plate, setting up the sliding hole on the mount and setting up the spacing separation blade in control lever one end, the control lever sets up in the sliding hole and can slide in the sliding hole, spacing separation blade sets up in the mount outside.
According to the utility model discloses an aspect, control assembly still includes that one end sets up the control spring on the mount and sets up the spring catch on the control lever, the control spring cover is established on the control lever, control spring's the other end sets up on the spring catch, control spring and spring catch all set up the inboard at the mount.
According to the utility model discloses an aspect, the cover is equipped with reset spring on the bracing piece, reset spring's one end setting is in the bottom of fixed plate, the other end setting is at the top of baffle.
According to an aspect of the utility model, be provided with the telescopic link on the middle part of baffle upper surface, the top setting of telescopic link is on the bottom of fixed plate lower surface.
According to an aspect of the present invention, the support rod is provided with at least two.
According to an aspect of the present invention, the bottom of the locking piece is provided with a locking groove.
The utility model discloses the advantage of implementing:
the utility model provides a handcart door unlocking device, handcart door unlocking device is including setting up fixed plate on the handcart, setting up baffle in the fixed plate below, setting up at the bracing piece of baffle upper surface, setting at the locking piece on bracing piece top, setting up at the gyro wheel of baffle lower surface and setting up the control assembly in the baffle below, control assembly includes the control lever and sets up the control block on the control lever, the control block is located the gyro wheel under, the control block upper surface is the rolling track, the horizontal position of rolling track one end is higher than the horizontal position of the other end, the gyro wheel cooperatees with the rolling track, rolls on the rolling track, the bracing piece runs through the fixed plate, the locking piece sets up in the fixed plate top. When the linkage mechanism of the door and the handcart breaks down, the handcart can be in a working position and can be opened through the unlocking device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a handcart door unlocking device according to the present invention;
fig. 2 is a schematic perspective view of a handcart door unlocking device according to the present invention;
fig. 3 is a schematic structural view of a handcart door unlocking device according to the present invention;
fig. 4 is a schematic structural diagram of unlocking of the handcart door unlocking device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a handcart door unlocking device, handcart door unlocking device is including setting up fixed plate 1 on the handcart, setting up baffle 4 in fixed plate 1 below, setting up bracing piece 2 on baffle 4 upper surface, setting up at the locking piece 3 on bracing piece 2 top, setting up at the gyro wheel 5 of 4 lower surfaces of baffle and setting up the control assembly in baffle 4 below, control assembly includes control lever 7 and the control block 10 of setting on control lever 7, control block 10 is located gyro wheel 5 under, the control block 10 upper surface is the rolling track, the horizontal position of rolling track one end is higher than the horizontal position of the other end, gyro wheel 5 cooperatees with the rolling track, rolls on the rolling track, bracing piece 2 runs through fixed plate 1, locking piece 3 sets up in fixed plate 1 top.
In practical use, the fixed plate is used for fixing the unlocking device on the handcart, and the control rod is used for controlling the sliding block to move back and forth.
In this embodiment, the control assembly further includes a fixing frame disposed on the fixing plate 1, a sliding hole disposed on the fixing frame, and a limiting blocking piece 12 disposed at one end of the control rod 7, the control rod 7 is disposed in the sliding hole and can slide in the sliding hole, and the limiting blocking piece 12 is disposed outside the fixing frame.
In the in-service use, the utility model discloses a setting up mutually supporting of limit baffle and mount and can preventing that the control lever from breaking away from set track, and then the effectual stability of ensureing this equipment.
In this embodiment, the control assembly further comprises a control spring 9 and a spring catch 8, wherein one end of the control spring 9 is arranged on the fixing frame, the spring catch 8 is arranged on the control rod 7, the control spring 9 is sleeved on the control rod 7, the other end of the control spring 9 is arranged on the spring catch 8, and the control spring 9 and the spring catch 8 are arranged on the inner side of the fixing frame.
In practical use, the action through the control spring can make this equipment reduce one-time operation at the locking in-process, practices thrift manpower and materials.
In this embodiment, the support rod 2 is sleeved with a return spring 6, one end of the return spring 6 is arranged at the bottom of the fixing plate 1, and the other end of the return spring 6 is arranged at the top of the baffle plate 4.
In this embodiment, a telescopic rod 11 is disposed on the middle of the upper surface of the baffle plate 4, and the top end of the telescopic rod 11 is disposed on the bottom of the lower surface of the fixing plate 1.
In the present embodiment, at least two support rods 2 are provided.
In this embodiment, the bottom of the locking piece 3 is provided with a locking groove.
The utility model discloses a theory of operation:
locking state:
an operator pulls the locking block, the locking block drives the connecting rod and the baffle arranged on the connecting rod to move upwards, the roller starts to move upwards, the control rod and the roller start to be linked, the control rod receives the return thrust of the control spring to move, and the sliding block supports the ejector rod at the moment to maintain the whole mechanism in a locked state.
An unlocking state:
an operator pushes the control rod through an operation hole outside the cabinet, so that the sliding block moves, the roller on the sliding block falls down, the baffle and the support rod arranged on the baffle fall down with the locking block under the action of the stretching force of the reset spring, and the bottom surface of the locking block is contacted with the fixed plate, so that the cushion block cannot play a role in locking the door, and the unlocking state is achieved.
The utility model discloses the advantage of implementing:
the utility model provides a handcart door unlocking device, handcart door unlocking device is including setting up fixed plate on the handcart, setting up baffle in the fixed plate below, setting up at the bracing piece of baffle upper surface, setting at the locking piece on bracing piece top, setting up at the gyro wheel of baffle lower surface and setting up the control assembly in the baffle below, control assembly includes the control lever and sets up the control block on the control lever, the control block is located the gyro wheel under, the control block upper surface is the rolling track, the horizontal position of rolling track one end is higher than the horizontal position of the other end, the gyro wheel cooperatees with the rolling track, rolls on the rolling track, the bracing piece runs through the fixed plate, the locking piece sets up in the fixed plate top. When the linkage mechanism of the door and the handcart breaks down, the handcart can be in a working position and can be opened through the unlocking device.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a handcart door unlocking device which characterized in that: handcart door unlocking device is including setting up fixed plate on the handcart, setting up baffle in the fixed plate below, setting up bracing piece, the setting on the bracing piece top at the bracing piece, setting up at the gyro wheel of baffle lower surface and setting up the control assembly in the baffle below, control assembly includes the control lever and sets up the control block on the control lever, the control block is located the gyro wheel under, the control block upper surface is the rolling track, the horizontal position of rolling track one end is higher than the horizontal position of the other end, the gyro wheel cooperatees with the rolling track, rolls on the rolling track, the bracing piece runs through the fixed plate, the locking piece sets up in the fixed plate top.
2. The handcart door unlocking device according to claim 1, characterized in that: the control assembly further comprises a fixing frame arranged on the fixing plate, a sliding hole arranged on the fixing frame and a limiting blocking piece arranged at one end of the control rod, the control rod is arranged in the sliding hole and can slide in the sliding hole, and the limiting blocking piece is arranged outside the fixing frame.
3. The handcart door unlocking device according to claim 2, characterized in that: the control assembly further comprises a control spring and a spring blocking piece, one end of the control spring is arranged on the fixing frame, the spring blocking piece is arranged on the control rod, the control spring is sleeved on the control rod, the other end of the control spring is arranged on the spring blocking piece, and the control spring and the spring blocking piece are arranged on the inner side of the fixing frame.
4. A hand truck door unlocking apparatus according to claim 3, wherein: the support rod is sleeved with a return spring, one end of the return spring is arranged at the bottom of the fixing plate, and the other end of the return spring is arranged at the top of the baffle.
5. The handcart door unlocking device according to claim 4, characterized in that: the middle part of the upper surface of the baffle is provided with a telescopic rod, and the top end of the telescopic rod is arranged at the bottom of the lower surface of the fixing plate.
6. The handcart door unlocking device according to claim 5, characterized in that: the bracing piece is provided with two at least.
7. The handcart door unlocking device according to claim 6, characterized in that: and the bottom of the locking block is provided with a locking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021489778.0U CN212726242U (en) | 2020-07-25 | 2020-07-25 | Handcart door unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021489778.0U CN212726242U (en) | 2020-07-25 | 2020-07-25 | Handcart door unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212726242U true CN212726242U (en) | 2021-03-16 |
Family
ID=74908735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021489778.0U Active CN212726242U (en) | 2020-07-25 | 2020-07-25 | Handcart door unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212726242U (en) |
-
2020
- 2020-07-25 CN CN202021489778.0U patent/CN212726242U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1310, 13th Floor, Building 6, No. 666, Jinfenghuang Avenue, Jinniu High tech Industrial Park, Chengdu, Sichuan Province, 610036 Patentee after: Sichuan Tuoji Rail Transit Equipment Co.,Ltd. Address before: 201802 Shanghai Jiading District Liuxiang highway 918, 2, 1 story A area. Patentee before: SHANGHAI TOGEE METRO EQUIPMENT CO.,LTD. |
|
| CP03 | Change of name, title or address |