CN213597686U

CN213597686U - Fireproof lock for fireproof door

Info

Publication number: CN213597686U
Application number: CN202022134913.6U
Authority: CN
Inventors: 邱隆轩; 黄增辉
Original assignee: Quanzhou Shengfa Security Development Co Ltd
Current assignee: Quanzhou Shengfa Security Development Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-07-02
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to a fireproof lock for fireproof door, which comprises a door lock main body, wherein a protective shell is sleeved at the middle part of the outer side of the door lock main body, a lock body window and a thread groove are arranged at the outer side of the protective shell, a thread fastening ring is arranged at the outer side of the thread groove, an outer limit cover is fixedly connected at one side of the thread fastening ring, a laminating fastening ring is sleeved at the outer side of one end of the door lock main body, an inner limit cover is fixedly connected at one side of the laminating fastening ring, a fixed connecting sheet is fixedly connected at the top of the inner limit cover, a shaft lever is connected on the surface of the fixed connecting sheet in a penetrating way, and a movable connecting sheet is movably sleeved at the outer side of the middle part of the shaft lever, the structure of the fireproof lock can be mutually matched, the structure has good fixing effect, the applicability is, the device is reduced from the influence of flame and high temperature when a fire disaster occurs.

Description

Fireproof lock for fireproof door

Technical Field

The utility model relates to a fireproof lock for preventing fire door belongs to fireproof lock equipment technical field.

Background

The fireproof door is a door capable of meeting the requirements of fire-resistant stability, integrity and heat insulation within a certain time, is arranged in places such as fireproof partitions, evacuation staircases, vertical shafts and the like, has a fireproof partition with certain fire resistance, has the function of preventing fire from spreading and smoke from diffusing, can prevent fire from spreading within a certain time, ensures personnel to evacuate, is one of important structures of the fireproof door, has various types of the existing fireproof lock, needs to be provided with a hole with a proper structure for installation, wastes the installation time, reduces the installation efficiency, is influenced by flame and high temperature when a fire disaster occurs, and can cause use faults when the fireproof lock is heated too fast, so that the fireproof lock for the fireproof door is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a fireproof lock for preventing fire door, can mutually support between the structure, plays good fixed action to the structure, and the suitability is good, and the mounting means is simple swift, can effectual improvement installation effectiveness, can play good guard action to this device inner structure, and this device receives flame and the influence of high temperature when reducing the conflagration and taking place, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a fireproof lock for preventing fire door, includes the lock main part, lock main part outside middle part has cup jointed protective housing, lock body window and thread groove have been seted up to the protective housing outside, the thread groove outside is equipped with the screw fastening ring, the outer spacing lid of screw fastening ring one side fixedly connected with, the laminating tighrening ring has been cup jointed in the lock main part one end outside, spacing lid in laminating tighrening ring one side fixedly connected with, interior spacing caping portion fixedly connected with fixed connection piece, the fixed connection piece surface through connection has the axostylus axostyle, the activity connection piece has been cup jointed in the activity of the axostylus axostyle middle part outside, activity connection piece bottom fixedly connected with fireproof protection lid, the inboard fixed connection.

Furthermore, the bottom of the fireproof protection cover is fixedly connected with a handle rod.

Further, one end of the door lock main body is sleeved on the inner side of the outer limiting cover, the other end of the door lock main body is sleeved on the inner side of the inner limiting cover, and the inner limiting cover and the outer limiting cover are consistent in structure.

Furthermore, the inner side of the fireproof protective cover is attached to the inner limiting cover, and the fireproof protective cover is of a circular sheet structure.

Further, the inner side of the protective shell is attached to the door lock main body, and one side of the protective shell is fixedly connected to the attachment fastening ring.

Furthermore, the heat insulation clamping and embedding sheet is located in the center of the inner side of the fireproof protection cover, and the heat insulation clamping and embedding sheet is matched with the inner limiting cover structure.

The utility model discloses beneficial effect:

1. the utility model relates to a fireproof lock for preventing fire door, through being equipped with screw fastening ring and laminating tighrening ring, simple structure can mutually support between the structure, plays good fixed action to the structure, and the suitability is good, and the mounting means is simple swift, can effectual improvement installation effectiveness.

2. The utility model relates to a fireproof lock for preventing fire door through being equipped with the protection screening glass with separate temperature inlay card piece, can play good guard action to this device inner structure, this device receives flame and high temperature's influence when reducing the conflagration and taking place, reduces the possibility that service failure takes place.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of an overall structure of a fire-proof lock for a fire-proof door according to the present invention;

fig. 2 is a schematic structural view of a fire-proof lock protection casing for a fire-proof door of the present invention;

fig. 3 is a schematic structural view of a fireproof protection cover of a fireproof lock for a fireproof door of the present invention;

fig. 4 is a schematic structural view of an external fireproof lock position-limiting cover for a fireproof door of the present invention;

reference numbers in the figures: 1. a door lock main body; 2. a protective housing; 3. a lock body window; 4. a thread groove; 5. a threaded fastening ring; 6. an outer limit cover; 7. fitting a fastening ring; 8. an inner limit cover; 9. fixing the connecting sheet; 10. a shaft lever; 11. a movable connecting sheet; 12. a fireproof protective cover; 13. a heat-insulating embedding sheet; 14. a handle rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-4, a fireproof lock for a fireproof door comprises a door lock body 1, a protective shell 2 is sleeved at the middle part of the outer side of the door lock body 1, a lock body window 3 and a thread groove 4 are arranged on the outer side of the protective shell 2, a thread fastening ring 5 is arranged on the outer side of the thread groove 4, an outer limit cover 6 is fixedly connected to one side of the thread fastening ring 5, a joint fastening ring 7 is sleeved on the outer side of one end of the door lock body 1, the joint fastening ring 7 and the thread fastening ring 5 are matched for use, the structure is simple, the structures can be matched with each other, a good fixing effect is achieved on the structure, the applicability is good, the installation mode is simple and rapid, the installation efficiency can be effectively improved, an inner limit cover 8 is fixedly connected to one side of the joint fastening ring 7, a fixed connection sheet 9 is fixedly connected to the top of the inner limit, the movable connecting sheet 11 is movably sleeved on the outer side of the middle of the shaft lever 10, the fireproof protective cover 12 is fixedly connected to the bottom of the movable connecting sheet 11, the heat insulation clamping and embedding sheet 13 is fixedly connected to the inner side of the fireproof protective cover 12, the fireproof protective cover 12 and the heat insulation clamping and embedding sheet 13 are matched to play a good protection role on the inner structure of the device, the influence of flame and high temperature on the device when a fire disaster occurs is reduced, and the possibility of using faults is reduced.

As shown in fig. 1-4, a handle bar 14 is fixedly connected to the bottom of the fire-proof protection cover 12, one end of the door lock main body 1 is sleeved on the inner side of the outer limit cover 6, the other end of the door lock main body 1 is sleeved on the inner side of the inner limit cover 8, the inner limit cover 8 and the outer limit cover 6 have the same structure, the inner side of the fireproof protection cover 12 is jointed with the inner limit cover 8, the fireproof protective cover 12 is a circular sheet structure, the inner side of the protective shell 2 is jointed and connected with the door lock main body 1, one side of the protective shell 2 is fixedly connected with the attaching fastening ring 7, the heat insulation clamping and embedding sheet 13 is positioned in the center of the inner side of the fireproof protective cover 12, the heat insulation embedded sheet 13 is structurally matched with the inner limiting cover 8, the inner limiting cover 8 is matched with the outer limiting cover 6 to improve the stability of the structure after installation, certain protection effect is achieved on the internal structure, and the attractiveness of the structure can be improved.

The utility model discloses a theory of operation: when using, put into the mounting hole of preventing fire door through protective housing 2 with lock main part 1, the position of adjustment lock body window 3, use screw tighrening ring 5 butt joint protective housing 2, the cooperation through thread groove 4 is screwed, make screw tighrening ring 5 closely laminate on preventing the fire door surface with the inboard of laminating tighrening ring 7, thereby it is fixed to accomplish, fire prevention visor 12 has good fire prevention effect, the cooperation separates the influence that temperature card embedded piece 13 can reduce flame and high temperature to lock main part 1 production, can open fire prevention visor 12 to the outside pull-up through handle bar 14.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A fire-proof lock for a fire-proof door, comprising a door lock main body (1), characterized in that: the middle part of the outer side of the door lock main body (1) is sleeved with a protective shell (2), the outer side of the protective shell (2) is provided with a lock body window (3) and a thread groove (4), a thread fastening ring (5) is arranged on the outer side of the thread groove (4), an outer limit cover (6) is fixedly connected with one side of the thread fastening ring (5), the outer side of one end of the door lock main body (1) is sleeved with a joint fastening ring (7), one side of the attaching fastening ring (7) is fixedly connected with an inner limiting cover (8), the top of the inner limit cover (8) is fixedly connected with a fixed connecting sheet (9), the surface of the fixed connecting sheet (9) is connected with a shaft lever (10) in a penetrating way, the outer side of the middle part of the shaft lever (10) is movably sleeved with a movable connecting sheet (11), the bottom of the movable connecting sheet (11) is fixedly connected with a fireproof protective cover (12), the inner side of the fireproof protective cover (12) is fixedly connected with a heat insulation embedded sheet (13).

2. A fire protection lock for a fire rated door as claimed in claim 1, wherein: the bottom of the fireproof protective cover (12) is fixedly connected with a handle rod (14).

3. A fire protection lock for a fire rated door as claimed in claim 1, wherein: one end of the door lock main body (1) is sleeved on the inner side of the outer limiting cover (6), the other end of the door lock main body (1) is sleeved on the inner side of the inner limiting cover (8), and the inner limiting cover (8) is consistent with the outer limiting cover (6) in structure.

4. A fire protection lock for a fire rated door as claimed in claim 1, wherein: the fireproof protection cover is characterized in that the inner side of the fireproof protection cover (12) is attached to the inner limiting cover (8), and the fireproof protection cover (12) is of a circular sheet structure.

5. A fire protection lock for a fire rated door as claimed in claim 1, wherein: protective housing (2) inboard laminating is connected in lock main part (1), protective housing (2) one side fixed connection is in laminating tighrening ring (7).

6. A fire protection lock for a fire rated door as claimed in claim 1, wherein: the heat insulation embedded sheet (13) is positioned in the center of the inner side of the fireproof protective cover (12), and the heat insulation embedded sheet (13) is structurally matched with the inner limiting cover (8).