CN215803946U

CN215803946U - Single-shaft hinge and fire hydrant box hidden door structure

Info

Publication number: CN215803946U
Application number: CN202121727071.3U
Authority: CN
Inventors: 王振坤; 姚清棍; 林志望; 罗双淼
Original assignee: Guangdong Carsion Metal Technology Co ltd
Current assignee: Guangdong Carsion Metal Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-11
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a single-shaft hinge and a fire hydrant cabinet hidden door structure, wherein the single-shaft hinge comprises a connecting seat, a first connecting block and a second connecting block; a first clearance opening is formed by the recess of one side face of the connecting seat, the connecting seat is provided with a first connecting end and a second connecting end, the first connecting end and the second connecting end are located on one side face of the connecting seat and are symmetrical about the first clearance opening, the first connecting end is bent to form a first connecting block, the second connecting end is bent to form a bending portion towards the first connecting block, one end, close to the first connecting block, of the bending portion is hinged to a second connecting block, and the second connecting block is provided with a second clearance opening for the bending portion to pass through. Fire hydrant case hidden door structure includes fire door, wallboard and as above the unipolar hinge, first connecting block is connected with the wallboard, and the second connecting block is connected with the fire door. The fire door can follow the rotation of second connecting block, and first clearance opening of keeping away can provide accommodation space to the fire door of opening, and the opening angle of increase fire door makes the opening angle of fire door reach 160 degrees.

Description

Single-shaft hinge and fire hydrant box hidden door structure

Technical Field

The utility model relates to the technical field of hinges, in particular to a single-shaft hinge and a hidden door structure of a fire hydrant cabinet.

Background

At present, in places such as subways, airports, business offices, hotels and the like, decoration wall surfaces are arranged outside fire hydrant boxes for aesthetic property, metal wall plates are generally adopted as the decoration wall surfaces, openable fire doors are arranged at the outer decoration wall surfaces of the fire hydrant boxes, the outer decoration surfaces of the fire doors need to be consistent with the effect of the whole decoration wall surfaces, and no hinges need to be arranged in a visible mode, so that frameworks and rotating shafts are installed and connected on the back surfaces of the metal wall plates, and conventional stainless steel single-shaft hinges are adopted for opening and connecting, so that the maximum opening angle of the fire doors is 90-120 degrees and cannot reach 160 degrees, and the fire doors cannot meet the requirements of national standard fire hydrant boxes (GB 14561-2003).

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a single-axis hinge that solves one or more of the problems set forth in the prior art and provides at least one of the advantages set forth in the following claims.

In addition, the utility model also provides a fire hydrant cabinet hidden door structure with the single-shaft hinge.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a single-shaft hinge which comprises a connecting seat, a first connecting block and a second connecting block; the connecting device is characterized in that a first clearance opening is formed in one side face of the connecting seat in a concave mode, the connecting seat is provided with a first connecting end and a second connecting end, the first connecting end and the second connecting end are located on one side face of the connecting seat and are symmetrically arranged relative to the first clearance opening, the first connecting end is bent to form the first connecting block, the second connecting end is bent towards the first connecting block to form a bent portion, one end, close to the first connecting block, of the bent portion is hinged to the second connecting block, and the second connecting block is provided with a second clearance opening for the bent portion to pass through.

The utility model has at least the following beneficial effects: the connecting seat is equipped with first keep away empty opening, first connecting block is connected with the first link of connecting seat, the second link of connecting seat is towards first connecting block bending type kink, the second connecting block is articulated with the kink, and be equipped with second keep away empty opening, the relative kink of second connecting block ability rotates more than 180 degrees, be connected at first connecting block and wallboard, the back is connected with the fire door to the second connecting block, the fire door can follow the second connecting block and rotate, set up first keep away empty opening, can provide accommodation space to the fire door of opening, increase the opening angle of fire door, make the opening angle of fire door reach 160 degrees, and realize the hidden installation of unipolar hinge, avoid causing the influence to the decorative effect of wallboard.

As a further improvement of the technical scheme, the first connecting block and the second connecting block are both provided with connecting holes. All set up the connecting hole on first connecting block and second connecting block, make this unipolar hinge can with wallboard and fire door releasable connection, be favorable to the quick maintenance of fire hydrant case hidden door structure.

As a further improvement of the above technical solution, the first connecting block and the second connecting block are metal plate members. First connecting block and second connecting block adopt the metal material to make, have higher intensity, can establish better connection with wallboard and fire door.

As a further improvement of the technical scheme, the first connecting block, the connecting seat and the bending part are integrally formed. First connecting block, connecting seat and kink adopt integrated forming process, and the quantity of reducible part and fastener is played the positive effect to unipolar hinge lightweight, still can reduce assembly cost.

As a further improvement of the above technical solution, the first connecting end is bent toward a direction away from the bent portion to form the first connecting block. When the distance between the first connecting block and the bending part meets the requirement that the opening angle of the fire door reaches 160 degrees, the first connecting block is shaped towards the direction departing from the bending part, so that materials can be saved, and the manufacturing cost is reduced.

As a further improvement of the above technical solution, the first clearance opening and the second clearance opening are both U-shaped openings. The first clearance opening and the second clearance opening adopt U-shaped design, and manufacturing process is simple, can promote the efficiency of making this unipolar hinge.

In addition, the utility model provides a fire hydrant cabinet hidden door structure, which comprises a fire fighting door, a wall plate and the single-shaft hinge, wherein the first connecting block is connected with the wall plate, and the second connecting block is connected with the fire fighting door. Through the unique unipolar hinge of this structure, with wallboard and fire door connection, make the fire door can follow the relative wallboard rotation of second connecting block, realize that the opening angle of fire door reaches 160 degrees, accord with national standard.

Drawings

The utility model is further described with reference to the accompanying drawings and examples;

FIG. 1 is a perspective view of an embodiment of a single-axis hinge according to the present invention;

fig. 2 is a schematic structural view of a concealed door structure of a fire hydrant cabinet provided by the utility model in a closed state;

fig. 3 is a schematic structural view of a concealed door structure of a fire hydrant cabinet provided by the utility model in an open state.

The drawings are numbered as follows: 100. a single-shaft hinge; 110. a connecting seat; 120. a first connection block; 130. a bending section; 140. a second connecting block; 150. a second clearance opening; 160. hinging a shaft; 170. connecting holes; 180. a first clearance opening; 200. a fire door; 300. a fire hydrant cabinet; 400. a wall body; 500. a wall panel.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are described, it means one or more, a plurality is two or more, more than, less than, more than, etc. are understood as not including the present number, and more than, less than, etc. are understood as including the present number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

It should be noted that, in fig. 1, the X direction is from the rear side to the front side of the uniaxial hinge; the Y direction is from the left side of the single-shaft hinge to the right side; the Z direction is from the lower side of the uniaxial hinge to the upper side.

The direction X in the attached figures 2 and 3 is from the rear side of the hidden door structure of the fire hydrant cabinet to the front side; the Y direction is from the left side of the fire hydrant cabinet hidden door structure to the right side.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, several examples of the single-shaft hinge and the concealed door structure of a fire hydrant cabinet according to the present invention will be described.

As shown in fig. 1, an embodiment of the present invention provides a single-axis hinge including a connecting base 110, a first connecting block 120, and a second connecting block 140.

In this embodiment, a first clearance opening 180 is formed by recessing one side surface of the connecting base 110, in this embodiment, the right side surface of the connecting base 110 is recessed inward to form the first clearance opening 180, and the first clearance opening 180 is a U-shaped opening, so the connecting base 110 may be a U-shaped plate. Of course, the connecting seat 110 may have other shapes, and only the first clearance opening 180 is required to be provided.

The connection seat 110 is provided with a first connection end and a second connection end, both of which are located at one side surface of the connection seat 110, i.e., a right side surface of the connection seat 110, and the first connection end and the second connection end are symmetrically disposed about the first clearance opening 180, i.e., located at front and rear sides of the first clearance opening 180.

The first connecting end is bent to form the first connecting block 120, and specifically, the first connecting end may be bent backward to form the first connecting block 120, or may be bent forward to form the first connecting block 120. Preferably, the first connecting end is bent toward a direction away from the bent portion 130 (i.e., toward the front) to form the first connecting block 120, so that material can be saved and manufacturing cost can be reduced. In the present embodiment, the first connecting block 120 is a metal plate.

The second connection end is bent toward the first connection block 120 to form a bent portion 130, and in this embodiment, the second connection end is bent forward to form the bent portion 130. The bent portion 130 may have a square plate shape.

One end of the bent portion 130 close to the first connecting block 120 is hinged to the second connecting block 140, and in this embodiment, the front end of the bent portion 130 is hinged to the left end of the second connecting block 140 through a hinge shaft 160, so that the second connecting block 140 can swing around an axis extending up and down relative to the bent portion 130.

The second connecting block 140 is provided with a second clearance opening 150 for the bending portion 130 to pass through, in this embodiment, the second connecting block 140 is a metal plate, the second clearance opening 150 is a U-shaped opening, and the second connecting block 140 is a U-shaped plate. Of course, the second connecting block 140 may have other shapes, and it is only necessary to provide the second clearance opening 150.

In other embodiments, the first connecting block 120 and the second connecting block 140 are both provided with a connecting hole 170, and the connecting hole 170 may be a smooth circular hole or a screw hole. In addition, the connection hole 170 may be a kidney-shaped hole. The number and arrangement of the connection holes 170 are set according to actual requirements. So designed, make this unipolar hinge 100 can with wallboard 500 and fire door 200 releasable connection, be favorable to the quick maintenance of fire hydrant case hidden door structure.

Of course, welding is not precluded when the single-axis hinge 100 is attached to the wall panel 500 and fire door 200.

In other embodiments, the first connecting block 120, the connecting seat 110 and the bending part 130 are integrally formed. By adopting the integrated forming process, the number of parts and fasteners can be reduced, the positive effect on the light weight of the single-shaft hinge 100 is played, and the assembly cost can be reduced. Of course, it is not excluded that the first connecting block 120 and the bending portion 130 are respectively connected to the connecting seat 110 by welding or bolting.

This unipolar hinge 100 structure is unique, and manufacturing process is simple, can be applied to among the fire hydrant case hidden door structure, connects wallboard 500 and fire door 200, makes fire door 200 can follow the relative wallboard 500 rotations of second connecting block 140, is favorable to realizing that fire door 200's opening angle reaches 160 degrees, accords with national standard.

In addition, as shown in fig. 1 to 3, an embodiment of the present invention provides a fire hydrant cabinet blank door structure including a fire fighting door 200, a wall panel 500 and the single-axis hinge 100 as described in the above embodiment.

Wall panel 500 is typically a metal wall panel, and wall panel 500 is mounted to wall 400 by a connecting frame and fixed relative to wall 400. The fire fighting door 200 is provided at the opening between the two wall panels 500, and serves as a seal, and can protect the hydrant cabinet 300 located inside the fire fighting door 200. The outer side of fire door 200 flushes with the surface of wallboard 500 mutually, plays better decorative effect, promotes the aesthetic property.

When the single-shaft hinge 100 is connected with the wall panel 500 and the fire door 200, the first connecting block 120 is connected with the wall panel 500, and the second connecting block 140 is connected with the fire door 200 by welding or bolting.

As shown in fig. 1 and 2, the fire fighting door 200 is in a closed state, and the fire fighting door 200 is flush with and seamlessly connected to the outer surface of the wall panel 500, thereby achieving a good aesthetic effect. The single-shaft hinge 100 is completely located in the space between the wall 400 and the fire door 200, and hidden installation of the single-shaft hinge 100 is achieved. At this time, the second connection block 140 overlaps the bent portion 130.

As shown in fig. 1 and 3, the fire fighting door 200 is in an opened state, the second connecting block 140 swings relative to the bending portion 130, and one end of the fire fighting door 200 connected to the second connecting block 140 is disposed in the first clearance opening 180, so that the opening angle of the fire fighting door 200 can reach 160 degrees, which meets the national standard.

Be connected at first connecting block 120 and wallboard 500, second connecting block 140 is connected the back with fire door 200, and fire door 200 can follow second connecting block 140 and rotate, and first clearance opening 180's setting can provide accommodation space to the fire door 200 of opening, and the opening angle of increase fire door 200 makes fire door 200's opening angle reach 160 degrees, realizes the hidden installation of unipolar hinge 100 moreover, avoids causing the influence to wallboard 500's decorative effect. The second clearance opening 150 can facilitate the second connecting block 140 to rotate to overlap the bending portion 130, so as to ensure that the fire fighting door 200 can rotate to be flush with the wall panel 500.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. The single-shaft hinge is characterized by comprising a connecting seat (110), a first connecting block (120) and a second connecting block (140); one side surface of the connecting seat (110) is recessed to form a first clearance opening (180), the connecting seat (110) is provided with a first connecting end and a second connecting end, the first connecting end and the second connecting end are located on one side surface of the connecting seat (110) and are symmetrically arranged relative to the first clearance opening (180), the first connecting end is bent to form the first connecting block (120), the second connecting end is bent towards the first connecting block (120) to form a bent part (130), one end, close to the first connecting block (120), of the bent part (130) is hinged to the second connecting block (140), and the second connecting block (140) is provided with a second clearance opening (150) for the bent part (130) to pass through.

2. The uniaxial hinge according to claim 1, wherein each of the first connecting block (120) and the second connecting block (140) is provided with a connecting hole (170).

3. The uniaxial hinge according to claim 2, wherein the first connecting block (120) and the second connecting block (140) are sheet metal members.

4. The uniaxial hinge according to claim 3, wherein the first connecting block (120), the connecting base (110) and the bent portion (130) are integrally formed.

5. The uniaxial hinge according to claim 4, wherein the first connecting end is bent in a direction away from the bent portion (130) to form the first connecting block (120).

6. The single-axis hinge according to claim 5, wherein the first clearance opening (180) and the second clearance opening (150) are both U-shaped openings.

7. A fire hydrant cabinet blank door structure, comprising a fire fighting door (200), a wall panel (500) and the single-axis hinge (100) according to any one of claims 1 to 6, wherein the first connecting block (120) is connected to the wall panel (500), and the second connecting block (140) is connected to the fire fighting door (200).