CN216446718U

CN216446718U - Auxiliary locking mechanism for fire-fighting fireproof door

Info

Publication number: CN216446718U
Application number: CN202122505188.3U
Authority: CN
Inventors: 吴兆海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-06
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses an auxiliary locking mechanism for a fire-fighting fireproof door, which belongs to the technical field of fireproof doors and comprises a door frame, wherein a door body is arranged on the inner side of the door frame, mounting grooves are symmetrically formed in one end of the door frame, a placing cover plate is arranged on the inner side of the mounting grooves, fixing bolts are embedded and installed at the four corners of one end of the placing cover plate, and locking telescopic rods are uniformly and fixedly connected to the inner wall of one end of each mounting groove. The buffering protection when the door body contacts the door frame is increased.

Description

Auxiliary locking mechanism for fire-fighting fireproof door

Technical Field

The utility model relates to the technical field of fire-proof doors, in particular to an auxiliary locking mechanism for a fire-proof door.

Background

Normally closed fire doors and normally open fire doors are divided into a normally closed fire door and a normally open fire door according to the opening state, the normally closed fire door generally comprises a fire door leaf, a door frame, a door closer, a sealing strip and the like, a sequencer is further arranged on the two-leaf or multi-leaf normally closed fire door, the normally closed fire door does not need to be designed automatically by the electrical specialty generally, but special conditions such as the normally closed fire door on an evacuation channel are provided, when some large-scale construction parties have management requirements such as theft prevention and the like, the electrical specialty is matched with the normally closed fire door to reduce potential safety hazards as comprehensively as possible, for the normally open fire door, a fire door release switch is required to be added besides all accessories of the normally closed fire door, the electrical specialty is required to provide the automatic control design, in the Chinese patent No. 201921454281.2, an auxiliary locking mechanism for the fire door is specifically mentioned, the problem that the traditional fire door is closed freely is solved, the auxiliary locking mechanism for the fire-fighting fireproof door is omitted, so that the problem of low safety when the fire-fighting fireproof door is closed can be solved, the function of auxiliary locking can be realized when the fire-fighting fireproof door is closed, and the safety of the fire-fighting fireproof door is effectively improved.

But when this an auxiliary locking mechanism for fire prevention door uses, it is comparatively general to fire prevention door's locking effect, and this auxiliary locking mechanism wear and tear appears easily after using for a long time, can't carry out fine maintenance to this auxiliary locking mechanism, is difficult to satisfy current user demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary locking mechanism for a fire-fighting fireproof door, and aims to solve the problems that the locking effect of the fire-fighting fireproof door provided in the background art is general, the auxiliary locking mechanism is easy to wear after being used for a long time, the auxiliary locking mechanism cannot be well overhauled, and the existing use requirements are difficult to meet.

In order to achieve the purpose, the utility model provides the following technical scheme: an auxiliary locking mechanism for a fire-fighting fireproof door comprises a door frame, wherein a door body is placed on the inner side of the door frame, a stable auxiliary locking mechanism is installed at the joint of the door frame and the door body, and the stable auxiliary locking mechanism comprises an installation groove, a placing cover plate, a fixing bolt, a locking telescopic rod, a locking spring, a locking block, a clamping block, a moving chute and a moving plate;

the door frame is characterized in that mounting grooves are symmetrically formed in one end of the door frame, a placing cover plate is placed on the inner side of each mounting groove, fixing bolts are embedded and mounted in four corners of one end of each placing cover plate, a locking telescopic rod is uniformly and fixedly connected to the inner wall of one end of each mounting groove, a locking spring is sleeved on the outer side of each locking telescopic rod, a locking block is fixedly mounted at the other end of each locking telescopic rod, a clamping block is fixedly mounted at a position, corresponding to the locking block, of one end of the door body, a moving chute is formed at a position, corresponding to the mounting groove, of one end of the door frame, and a moving plate is slidably mounted on the inner side of the moving chute; and a contact buffer mechanism is embedded into one end of the door frame.

Preferably, one end of the fixing bolt penetrates through the placing cover plate to be connected with the inner wall of the mounting groove, and one end of the moving plate is fixedly connected with the handle.

Preferably, the locking block and the clamping block are the same in shape, and the other end of the moving plate is fixedly connected with one end of the locking block.

Preferably, the contact buffer mechanism comprises a buffer groove, a mounting plate, a buffer telescopic rod, a buffer spring, a contact plate, a contact groove and a contact gasket;

the buffering recess has been seted up to the one end of door frame, the one end inner wall fixedly connected with mounting panel of buffering recess, the even symmetry fixedly connected with buffering telescopic link of one end of mounting panel, buffer spring has been cup jointed in the outside of buffering telescopic link, the one end fixed mounting of buffering telescopic link has the contact plate, the one end of door frame corresponds contact plate position department and has seted up the contact recess, the one end of contact plate is attached to there is contact pad.

Preferably, the shape of the contact plate is the same as that of the contact groove, and the inner wall of the contact groove and the corners of the contact plate are both smooth fillets.

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

1. through the supplementary locking mechanism of stability that sets up, the door body can make the latch segment fixed with the fixture block joint with the door frame contact, carries out supplementary locking to the door body and door frame to can remove the movable plate along removing the spout, make latch segment and fixture block separation, can be after door body and door frame locking, do not hinder the separation of the door body and door frame and open, this supplementary locking mechanism's of also being convenient for maintenance has improved the supplementary locking convenience when fire prevention door uses.

2. Through the contact buffer gear who sets up, the door body can drive the contact plate with the door frame contact and remove for buffering telescopic link and buffer spring shrink combine the contact of contact plate with the contact recess, cushion the protection when can be to the door body with the door frame contact, the cushion protection when having increased the door body and the door frame contact.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 the drawings without creative efforts.

Figure 1 is a schematic view of an auxiliary locking mechanism for a fire rated door of the present invention;

FIG. 2 is a schematic illustration of an explosive structure of the present invention;

FIG. 3 is a schematic structural view of the stabilizing secondary locking mechanism of the present invention;

FIG. 4 is a schematic view of the mounting structure of the moving chute and the moving plate of the present invention;

FIG. 5 is a schematic view of the contact cushioning mechanism of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a door frame; 2. a door body;

3. stabilizing the auxiliary locking mechanism; 301. installing a groove; 302. placing a cover plate; 303. fixing the bolt; 304. locking the telescopic rod; 305. a locking spring; 306. a locking block; 307. a clamping block; 308. a moving chute; 309. moving the plate;

4. a contact buffer mechanism; 401. a buffer groove; 402. mounting a plate; 403. buffering the telescopic rod; 404. A buffer spring; 405. a contact plate; 406. a contact groove; 407. contact pads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a technical scheme that: an auxiliary locking mechanism for a fire-fighting fireproof door is shown in fig. 1, fig. 2, fig. 3 and fig. 4, and comprises a door frame 1, a door body 2 is placed on the inner side of the door frame 1, a stable auxiliary locking mechanism 3 is installed at the joint of the door frame 1 and the door body 2, and the stable auxiliary locking mechanism 3 comprises an installation groove 301, a placing cover plate 302, a fixing bolt 303, a locking telescopic rod 304, a locking spring 305, a locking block 306, a clamping block 307, a moving chute 308 and a moving plate 309;

the door frame comprises a door frame 1, mounting grooves 301 are symmetrically formed in one end of the door frame 1, a placing cover plate 302 is placed on the inner side of the mounting grooves 301, fixing bolts 303 are embedded into four corners of one end of the placing cover plate 302, a locking telescopic rod 304 is uniformly and fixedly connected to the inner wall of one end of the mounting grooves 301, a locking spring 305 is sleeved on the outer side of the locking telescopic rod 304, a locking block 306 is fixedly mounted at the other end of the locking telescopic rod 304, a clamping block 307 is fixedly mounted at a position, corresponding to the locking block 306, of one end of a door body 2, a moving chute 308 is formed at a position, corresponding to the mounting grooves 301, of one end of the door frame 1, a moving plate 309 is slidably mounted on the inner side of the moving chute 308, one end of each fixing bolt 303 penetrates through the placing cover plate 302 to be connected with the inner wall of the mounting grooves 301, a handle is fixedly connected to one end of the moving plate 309, the placing cover plate 302 is conveniently fixed through the fixing bolts 303, and the locking blocks 306 and the clamping block 307 are identical in shape, the other end of the moving plate 309 is fixedly connected with one end of the locking block 306, so that the locking block 306 can be moved by the moving plate 309.

When the door body 2 moves to be in contact with the doorframe 1, the fixture block 307 can be in contact with the fixture block 306 at first, so that the fixture block 306 moves, the locking telescopic rod 304 and the locking spring 305 are driven, when the door body 2 is in full contact with the doorframe 1, the locking telescopic rod 304 and the locking spring 305 can rebound, the locking block 306 is driven to move, the locking block 306 is clamped and fixed with the fixture block 307, the door body 2 and the doorframe 1 can be locked in an auxiliary manner, the movable plate 309 can move along the movable sliding groove 308 when the door body 2 is required to be separated from the doorframe 1, so that the locking block 306 is separated from the fixture block 307, the door body 2 and the doorframe 1 can be locked in a manner, the door body 2 and the doorframe 1 can be separated from each other without being hindered from each other and opened, the cover plate 302 can be taken down and placed, the interior of the installation groove 301 can be rapidly overhauled, and the auxiliary locking convenience when the fire-fighting fire-proof door is used is improved.

As shown in fig. 5, a contact buffer mechanism 4 is embedded and mounted at one end of the door frame 1, and the contact buffer mechanism 4 includes a buffer groove 401, a mounting plate 402, a buffer telescopic rod 403, a buffer spring 404, a contact plate 405, a contact groove 406 and a contact gasket 407;

buffering recess 401 has been seted up to door frame 1's one end, buffering recess 401's one end inner wall fixedly connected with mounting panel 402, the even symmetrical fixedly connected with buffering telescopic link 403 of one end of mounting panel 402, buffer spring 404 has been cup jointed in the outside of buffering telescopic link 403, the one end fixed mounting of buffering telescopic link 403 has contact plate 405, contact recess 406 has been seted up to door frame 1's one end correspondence contact plate 405 position department, contact plate 405's one end is attached to have contact pad 407, contact plate 405's shape is the same with contact recess 406's shape, contact recess 406's inner wall and contact plate 405's corner are smooth fillet, be convenient for cushion when contacting door body 2 and door frame 1 through contact plate 405 and contact recess 406.

When the door body 2 contacts the door frame 1, the door body 2 firstly contacts with the contact gasket 407 at one end of the contact plate 405 to drive the contact plate 405 to move, so that the buffer telescopic rod 403 and the buffer spring 404 contract, and the contact of the contact plate 405 and the contact groove 406 is combined to buffer and protect the door body 2 when contacting the door frame 1, thereby increasing the buffer and protection of the door body 2 when contacting the door frame 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an supplementary locking mechanism for fire prevention door prevents, includes door frame (1), its characterized in that: a door body (2) is placed on the inner side of the door frame (1), a stable auxiliary locking mechanism (3) is installed at the joint of the door frame (1) and the door body (2), and the stable auxiliary locking mechanism (3) comprises an installation groove (301), a placement cover plate (302), a fixing bolt (303), a locking telescopic rod (304), a locking spring (305), a locking block (306), a clamping block (307), a moving chute (308) and a moving plate (309);

the door frame structure is characterized in that mounting grooves (301) are symmetrically formed in one end of the door frame (1), a placing cover plate (302) is placed on the inner side of each mounting groove (301), fixing bolts (303) are embedded and mounted in four corners of one end of each placing cover plate (302), a locking telescopic rod (304) is uniformly and fixedly connected to the inner wall of one end of each mounting groove (301), a locking spring (305) is sleeved on the outer side of each locking telescopic rod (304), a locking block (306) is fixedly mounted at the other end of each locking telescopic rod (304), a clamping block (307) is fixedly mounted at a position, corresponding to the locking block (306), of one end of the door body (2), a moving chute (308) is formed in a position, corresponding to the mounting grooves (301), of one end of the door frame (1), and a moving plate (309) is slidably mounted on the inner side of the moving chute (308); one end of the door frame (1) is embedded with a contact buffer mechanism (4).

2. A secondary locking mechanism for a fire rated door as recited in claim 1, further comprising: one end of the fixing bolt (303) penetrates through the inner wall of the placing cover plate (302) and the mounting groove (301) to be connected, and one end of the moving plate (309) is fixedly connected with a handle.

3. A secondary locking mechanism for a fire rated door as recited in claim 1, further comprising: the locking block (306) and the clamping block (307) are the same in shape, and the other end of the moving plate (309) is fixedly connected with one end of the locking block (306).

4. A secondary locking mechanism for a fire rated door as recited in claim 1, further comprising: the contact buffer mechanism (4) comprises a buffer groove (401), a mounting plate (402), a buffer telescopic rod (403), a buffer spring (404), a contact plate (405), a contact groove (406) and a contact gasket (407);

buffering recess (401) have been seted up to the one end of door frame (1), the one end inner wall fixedly connected with mounting panel (402) of buffering recess (401), the even symmetry fixedly connected with buffering telescopic link (403) of one end of mounting panel (402), buffer spring (404) have been cup jointed in the outside of buffering telescopic link (403), the one end fixed mounting of buffering telescopic link (403) has contact plate (405), contact recess (406) have been seted up to the one end of door frame (1) correspondence contact plate (405) position department, contact pad (407) have been attached to the one end of contact plate (405).

5. An auxiliary locking mechanism for a fire rated door as claimed in claim 4, wherein: the shape of the contact plate (405) is the same as that of the contact groove (406), and the inner wall of the contact groove (406) and the corners of the contact plate (405) are both smooth and round corners.