CN212054366U - Safety door anti-error closing device - Google Patents
Safety door anti-error closing device Download PDFInfo
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- CN212054366U CN212054366U CN202020399747.XU CN202020399747U CN212054366U CN 212054366 U CN212054366 U CN 212054366U CN 202020399747 U CN202020399747 U CN 202020399747U CN 212054366 U CN212054366 U CN 212054366U
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- base
- safety door
- spring
- top shaft
- head
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Abstract
The utility model discloses a safety door anti-false closing device, which comprises a device body and a baffle plate which are arranged on a door plate and a door frame, wherein the device body comprises a base with a communicating hole, the tail end of the base is provided with a base rear cover, and a top shaft which runs through the base and the base rear cover is arranged in the communicating hole; a limiting block matched with the outlet of the communicating hole is arranged on the top shaft, and a spring is sleeved on one side of the top shaft close to the tail part; one end of the spring is abutted against the limiting block, and the other end of the spring is abutted against the rear cover of the base; when the head of the top shaft extends out of the base under the action of the elastic force of the spring, the top shaft and the baffle form an interference state. Utilize the utility model discloses, make maintenance personal when opening the emergency exit maintenance, can avoid the emergency exit to close by oneself through gravity or other maintenance personal's mistake closes to guarantee maintenance personal's safety.
Description
Technical Field
The utility model belongs to the technical field of emergency exit device, especially, relate to an emergency exit prevents mistake and closes device.
Background
The safety work is the most important in modern production and operation work. The safety of the working environment of the staff is ensured, and the method is the basis for the normal operation of enterprises. At present, when equipment maintenance work is carried out, many enterprises need to safely confirm the maintenance environment and adopt the modes of power failure, turning on an emergency stop switch, locking and the like to ensure safety. Among them, the safety door mounted with the safety device belongs to a quite common linkage safety device. After the safety door is opened, the bolt or other devices are disconnected, and the whole equipment stops running, so that the safety of the maintenance environment is ensured.
For example, chinese patent publication No. CN209867452U discloses a safety door of a drilling machine, in which a control system and a safety door are disposed on a fence of the drilling machine, and a plug and a socket are disposed outside the safety door and the fence, when a worker needs to enter the safety door, the plug is pulled up, the control system detects the pulling up of the plug through a sensor, and the drilling machine stops operating in advance; when the staff starts the drilling machine, control system passes through the inductor and detects whether the emergency exit is closed, if the emergency exit is closed, then closes the bolt and starts the drilling machine, if the emergency exit is not closed, then sends safe warning.
The existing door safety device can stop the operation of equipment after a door is opened. However, the door may be returned to its original position under its own weight or other human manipulation, and the apparatus re-run. The safety door has the advantages that the occupied area of the equipment is large, maintenance personnel are far away from the safety door, and the hidden danger can be undoubtedly caused under the condition that the state of the safety door cannot be observed all the time.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides an emergency exit prevents mistake and closes device makes the maintenance personal when opening the emergency exit maintenance, can avoid the emergency exit to close by oneself through gravity or other maintenance personal's mistake to close.
The technical scheme of the utility model as follows:
a safety door anti-false closing device comprises a device body and a baffle plate, wherein the device body and the baffle plate are arranged on a door plate and a door frame, the device body comprises a base with a communicating hole, a base rear cover is arranged at the tail end of the base, and a top shaft penetrating through the base and the base rear cover is arranged in the communicating hole; a limiting block matched with the outlet of the communicating hole is arranged on the top shaft, and a spring is sleeved on one side of the top shaft close to the tail part; one end of the spring is abutted against the limiting block, and the other end of the spring is abutted against the rear cover of the base;
when the head of the top shaft extends out of the base under the action of the elastic force of the spring, the top shaft and the baffle form an interference state.
The installation positions of the device body and the baffle of the device for preventing false closing can be freely selected, the device body can be installed on a door plate, and the baffle is installed on a door frame; the device body can also be arranged on the door frame, and the baffle plate is arranged on the door plate.
When the safety door is in a closed state, the jacking shaft of the device body is in a contracted state and is jacked on the baffle, and the spring is in a compressed state at the moment. When the emergency exit is opened, under the spring action of spring, the apical axis stretches out automatically to form the interference with the baffle, lead to the emergency exit can't close by oneself under unmanned operation's the condition, need operating personnel to withdraw the apical axis and just can close the emergency exit.
In order to facilitate the installation of the device body, the base rear cover and the base are fixed through bolts.
Preferably, the top shaft is provided with a lock hole at a position close to the head, and if an operator needs to keep the safety door open for a long time, a mechanical lock can be hung at the lock hole on the top shaft to prevent any accident.
Preferably, the locking hole may be a kidney-shaped hole.
In order to ensure that the jacking shaft can form better interference with the baffle when extending out and prevent the safety door from being closed, the head of the jacking shaft is 3-10 cm long when extending out of the base.
In order to avoid hard collision between the top shaft and the baffle and reduce noise pollution, the surface of the baffle is provided with a rubber gasket.
When the safety door is closed, in order to facilitate an operator to withdraw the jacking shaft into the base, the tail end of the jacking shaft is provided with a handle.
In order to ensure the safety in the operation process, the head of the top shaft is of a rounded structure.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. compared with most of the existing electronic linkage safety devices, the safety door anti-false-closing device of the utility model can ensure that the safety door can not return to the original position through self gravity; and the risk of misoperation and the like of other operators can be fundamentally avoided through simple locking and other procedures.
2. The utility model adopts a pure mechanical structure, and has no numerous matching parts and matching programs of the electronic linkage safety device, thereby reducing the risk of failure of the safety device caused by problems of other parts; meanwhile, the structure is simple, the size is light, and the existing mechanism cannot be greatly influenced after installation.
Drawings
Fig. 1 is the utility model relates to an emergency exit prevents mistake and closes overall structure schematic diagram of device.
In the figure: 1-base, 2-top shaft, 3-spring, 4-base rear cover, 5-bolt, 6-handle, 7-baffle, 8-limited block, 9-lock hole and 10-communication hole.
Detailed Description
The invention will be described in further detail with reference to the following figures and examples, which are intended to facilitate the understanding of the invention without limiting it.
As shown in fig. 1, the safety door anti-false-closing device comprises a device body installed on a door plate and a baffle 7 installed on a door frame, wherein the device body comprises a base 1 with a communicating hole 10, a base rear cover 4 is arranged at the tail end of the base 1, and the base rear cover 4 and the base 1 are fixed through a bolt 5. The communicating hole 10 is provided with a top shaft 2 penetrating the base 1 and the base rear cover 4. A limiting block 8 matched with an outlet of the communicating hole 10 is arranged on the top shaft 2, and a spring 3 is sleeved on one side of the top shaft 2 close to the tail part; one end of the spring is propped against the limiting block 8, and the other end of the spring is propped against the base rear cover 4.
The limiting block 8 is matched with an outlet of the communicating hole 10, so that the distance of the top shaft 2 extending out of the base is fixed every time, and when the head of the top shaft 2 extends out of the base 1 under the action of the elastic force of the spring 3, the top shaft 2 and the baffle 7 form an interference state to prevent the safety door from being closed. When the safety door is in a closed state, the jacking shaft 2 is in a contracted state and jacks the baffle 7 tightly.
In order to facilitate the operator to withdraw the top shaft 2 into the base 1, a handle 6 is arranged at the tail end of the top shaft 2.
When the safety door is opened, the jacking shaft 2 can be automatically ejected out under the action of the elastic force of the spring 3, and at the moment, the safety door cannot automatically return to a closed state under the action of gravity under the condition of no interference of personnel. The safety door can be closed again only after the personnel pull the handle 6 by hands and withdraw the top shaft 2.
In order to further improve the safety, a lock hole 9 for locking a mechanical lock is formed in the position, close to the head, of the top shaft 2, after the safety door is opened, the top shaft 2 is in an ejection state, and if relevant personnel need to enter the region to work, the locking can be carried out in the lock hole 9 of the top shaft 2, so that misoperation of other personnel is guaranteed, and the safety is guaranteed.
Present most electron linkage safety device relatively, the utility model discloses can ensure that the emergency exit can't reply the normal position through self gravity to can be through processes such as simply locking, risks such as other operating personnel maloperation are stopped to fundamentally.
The above-mentioned embodiment is to the technical solution and the beneficial effects of the present invention have been described in detail, it should be understood that the above is only the specific embodiment of the present invention, not used for limiting the present invention, any modification, supplement and equivalent replacement made within the principle scope of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The safety door anti-false-closing device is characterized by comprising a device body and a baffle plate, wherein the device body and the baffle plate are arranged on a door plate and a door frame; a limiting block matched with the outlet of the communicating hole is arranged on the top shaft, and a spring is sleeved on one side of the top shaft close to the tail part; one end of the spring is abutted against the limiting block, and the other end of the spring is abutted against the rear cover of the base;
when the head of the top shaft extends out of the base under the action of the elastic force of the spring, the top shaft and the baffle form an interference state.
2. The safety door anti-misclosing device according to claim 1, wherein the base rear cover and the base are fixed by bolts.
3. The safety door anti-misclosing device according to claim 1, wherein the head shaft is provided with a locking hole at a position close to the head.
4. The safety door anti-misclosing device according to claim 3, wherein the locking hole is a kidney-shaped hole.
5. The safety door anti-misclosing device according to claim 1, wherein the head of the head shaft has a length of 3 to 10cm when protruding out of the base.
6. A safety door anti-misclosing device according to claim 1, wherein said barrier surface is provided with a rubber gasket.
7. The safety door anti-misclosing device according to claim 1, wherein a grip is provided at a rear end of the head shaft.
8. The safety door anti-misclosing apparatus according to claim 1, wherein the head of the head shaft has a rounded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399747.XU CN212054366U (en) | 2020-03-25 | 2020-03-25 | Safety door anti-error closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399747.XU CN212054366U (en) | 2020-03-25 | 2020-03-25 | Safety door anti-error closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212054366U true CN212054366U (en) | 2020-12-01 |
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ID=73539003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020399747.XU Active CN212054366U (en) | 2020-03-25 | 2020-03-25 | Safety door anti-error closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212054366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022117037A1 (en) * | 2020-12-03 | 2022-06-09 | 海尔智家股份有限公司 | Releasable locking mechanism for refrigeration appliance |
-
2020
- 2020-03-25 CN CN202020399747.XU patent/CN212054366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022117037A1 (en) * | 2020-12-03 | 2022-06-09 | 海尔智家股份有限公司 | Releasable locking mechanism for refrigeration appliance |
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