CN218467417U

CN218467417U - Automatic control structure for civil air defense door

Info

Publication number: CN218467417U
Application number: CN202222375731.7U
Authority: CN
Inventors: 蔡苗青; 陈永茂; 刘守征
Original assignee: Jiangsu Huaming Civil Air Defense Equipment Co ltd
Current assignee: Jiangsu Huaming Civil Air Defense Equipment Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-02-10
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a people's air defense door technical field specifically is an automatic control structure that people's air defense door was used, including people's air defense door and door frame and install the automatic door control mechanism that closes on people's air defense door and door frame, people's air defense door is articulated to be installed on the door frame, and the upper end of people's air defense door has seted up rectangular grafting through-hole, the upper end welding of door frame has the semicircle bracing piece, the semicircle bracing piece passes rectangular grafting through-hole on the people's air defense door, the groove that contracts in the buffering has been seted up to upper end one side of door frame, and people's air defense door can realize self-closing under annular reset spring's effect, and can extrude the buffering kicking block at the in-process of closing like this, will reduce the impact force of people's air defense door when closing under buffer spring's effect, and then avoided taking place strong collision between its and the door frame.

Description

Automatic control structure for civil air defense door

Technical Field

The utility model relates to a people's air defense door technical field specifically is an automatic control structure that people's air defense door was used.

Background

Normally closed people's air defense door is opening it after the pedestrian passes through, can close by oneself, but present normally closed people's air defense door when realizing closing under its automatic control structure's effect, can make to take place comparatively strong collision between people's air defense door and the door frame, can produce great noise on the one hand, the frequent collision of on the other hand can make and cause certain harm to people's air defense door and door frame, influence the life of people's air defense door in the long term, current automatic control structure is in addition when control people's air defense door self-closing, also make the people push away people's air defense door need use great strength, cause the inconvenience in the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic control structure that people's air defense door was used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic control structure that people's air defense door was used, includes people's air defense door and door frame and installs the automatic door control mechanism that closes on people's air defense door and door frame, people's air defense door is articulated to be installed on the door frame, and the upper end of people's air defense door has seted up rectangular grafting through-hole, the upper end welding of door frame has the semicircle bracing piece, the semicircle bracing piece passes rectangular grafting through-hole on the people's air defense door, the groove that contracts in the buffering has been seted up to upper end one side of door frame, automatic door control mechanism that closes includes buffering guide bar, annular reset spring, ring rubber sleeve, buffer spring, buffering kicking block and crashproof rubber pad, the buffering guide bar is three, and welded fastening is in the groove that contracts in the buffering.

Preferably, the annular return spring is sleeved on the semicircular supporting rod and is positioned on the outer side of the civil air defense door.

Preferably, the circular rubber sleeve is sleeved on the semicircular supporting rod and is positioned outside the annular return spring.

Preferably, the buffer spring is sleeved on the buffer guide rod, and one end of the buffer spring is welded on the bottom surface of the buffer retraction groove.

Preferably, the front end of the buffer spring is fixedly connected with a buffer top block, a guide jack is formed in the buffer top block, and a buffer guide rod is inserted in the guide jack.

Preferably, the buffering top block is inserted into the buffering inner shrinkage groove, and an anti-collision rubber pad is adhered to the front end face of the buffering top block.

Compared with the prior art, the beneficial effects of the utility model are that:

through the practicality of this technical scheme, the people's air defense door is after being pushed away, can realize self-closing under annular reset spring's effect, and can extrude the buffering kicking block at the in-process of closing, the impact force when closing of people's air defense door will be reduced under buffer spring's effect like this, and then the strong collision of taking place between its AND gate frame has been avoided, in addition when pushing away people's air defense door, because buffer spring is in compression state this moment, so buffer spring has a thrust to people's air defense door, and then can be more laborsaving push away people's air defense door, kill two birds with one stone.

Drawings

FIG. 1 is a schematic view of a closed state of a civil air defense door;

FIG. 2 is a schematic view of the assembly of the internal components of the annular rubber sleeve;

fig. 3 is an exploded view of the assembly of the civil air defense door and the door frame.

In the figure: 1. a civil air defense door; 11. a strip-shaped inserting through hole; 2. a door frame; 21. a semicircular ring support rod; 22. a buffer inner shrinkage groove; 23. a buffer guide rod; 3. an annular return spring; 4. a circular ring rubber sleeve; 5. a buffer spring; 6. buffering the top block; 61. a guide jack; 7. crashproof rubber pad.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides an automatic control structure that people's air defense door was used, include people's air defense door 1 and door frame 2 and install the automatic door control mechanism that closes on people's air defense door 1 and

door frame

2, 1 articulated installations on door frame 2 of people's air defense door, and rectangular grafting through-hole 11 has been seted up to the upper end of people's air defense door 1, the upper end welding of door frame 2 has semicircle bracing piece 21, semicircle bracing piece 21 passes rectangular grafting through-hole 11 on the people's air defense door 1, the diameter of semicircle bracing piece 21 slightly is less than rectangular grafting through-hole 11's height in addition, the interior groove 22 that contracts of buffering has been seted up to upper end one side of door frame 2, automatic door control mechanism of closing includes buffering guide bar 23, annular reset spring 3, ring rubber sleeve 4, buffer spring 5, buffering kicking block 6 and crashproof rubber pad 7, buffering guide bar 23 is three, the welded fastening is in buffering interior groove 22.

Annular reset spring 3 cup joints on semicircle ring bracing piece 21, and annular reset spring 3 is in the outside of people's air defense door 1, and the welding of the one end of annular reset spring 3 is on door frame 2, and the other end contacts with the surface of people's air defense door 1, and the diameter of annular reset spring 3 is greater than the height of rectangular grafting through-hole 11.

The ring rubber sleeve 4 is sleeved on the semi-ring supporting rod 21, the ring rubber sleeve 4 is located on the outer side of the annular reset spring 3, the ring rubber sleeve 4 is also located on the outer side of the civil air defense door 1, and the annular reset spring 3 is protected.

Buffer spring 5 cup joints on buffering guide bar 23, and the one end welding of buffer spring 5 is on the tank bottom surface of groove 22 that contracts in the buffering, and buffer spring 5's front end fixedly connected with buffering kicking block 6, also carry out welded connection between buffer spring 5 and the buffering kicking block 6 promptly, direction jack 61 has been seted up on the buffering kicking block 6, the quantity of direction jack 61 equals with the quantity of buffering guide bar 23, it has buffering guide bar 23 to peg graft in the direction jack 61, in addition, buffering kicking block 6 pegs graft in the groove 22 that contracts in the buffering, and paste on the preceding terminal surface of buffering kicking block 6 and have crashproof rubber pad 7, crashproof rubber pad 7 contacts with the internal surface of people's air defense door 1 under the closed condition of people's air defense door 1, and buffering kicking block 6 this moment is in the inside of groove 22 completely, namely the preceding terminal surface of crashproof rubber pad 7 is parallel and level with the terminal surface of door frame 2, buffer spring 5 is in compression state this moment in addition.

After the civil air defense door 1 is pushed open, the annular return spring 3 and the annular rubber sleeve 4 are both in a compression state under the extrusion of the civil air defense door 1, so after a person passes through, the civil air defense door 1 is closed under the combined action of the annular return spring 3 and the annular rubber sleeve 4, before the civil air defense door is closed, the buffering ejector block 6 is in a non-extrusion state, the buffering ejector block 6 partially protrudes out of the buffering retraction groove 22, when the civil air defense door 1 is contacted with the buffering ejector block 6 in the closing process, the impact force generated when the civil air defense door 1 is closed under the action of the buffering spring 5 can be reduced, in addition, the violent impact between the civil air defense door 1 and the buffering ejector block 6 is also avoided under the action of the anti-collision rubber gasket 7, further, the civil air defense door 1 can be slowly closed under the action of the buffering spring 5, the violent impact between the civil air defense door 1 and the door frame 2 is avoided, the noise is eliminated, the service life of the civil air defense door 1 is prolonged, in addition, the buffering spring 5 is in a closed state, the buffering spring 5 can save labor when the civil air defense door is opened, and the buffering spring can be used for opening, and the civil air defense door, and the buffering spring can be used for opening the civil air defense door 1, and the buffering spring 5 can be used for opening.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic control structure that people's air defense door was used, includes people's air defense door (1) and door frame (2) and installs the automatic door control mechanism that closes on people's air defense door (1) and door frame (2), its characterized in that: people's air defense door (1) is articulated to be installed on door frame (2), and the upper end of people's air defense door (1) has seted up rectangular grafting through-hole (11), the upper end welding of door frame (2) has semicircle ring bracing piece (21), semicircle ring bracing piece (21) pass rectangular grafting through-hole (11) on people's air defense door (1), the interior kerve of buffering (22) has been seted up to upper end one side of door frame (2), automatic door closing control mechanism includes buffering guide bar (23), annular reset spring (3), ring rubber sleeve (4), buffer spring (5), buffering kicking block (6) and crashproof rubber pad (7), buffering guide bar (23) are three, and welded fastening is in the interior kerve of buffering (22).

2. The automatic control structure for the civil air defense door according to claim 1, wherein: the annular return spring (3) is sleeved on the semicircular supporting rod (21), and the annular return spring (3) is located on the outer side of the civil air defense door (1).

3. The automatic control structure for the civil air defense door according to claim 1, wherein: the circular rubber sleeve (4) is sleeved on the semi-circular supporting rod (21), and the circular rubber sleeve (4) is located on the outer side of the annular reset spring (3).

4. The automatic control structure for the civil air defense door according to claim 1, wherein: the buffer spring (5) is sleeved on the buffer guide rod (23), and one end of the buffer spring (5) is welded on the bottom surface of the buffer inner shrinkage groove (22).

5. The automatic control structure for the civil air defense door according to claim 4, wherein: the front end of the buffer spring (5) is fixedly connected with a buffer ejector block (6), a guide insertion hole (61) is formed in the buffer ejector block (6), and a buffer guide rod (23) is inserted in the guide insertion hole (61).

6. The automatic control structure for a civil air defense door according to claim 5, wherein: the buffering top block (6) is inserted into the buffering inner shrinkage groove (22), and an anti-collision rubber pad (7) is adhered to the front end face of the buffering top block (6).