CN217652592U

CN217652592U - Door body structure with concealed hinge

Info

Publication number: CN217652592U
Application number: CN202220385947.9U
Authority: CN
Inventors: 徐凯
Original assignee: Zhejiang Sata Smart Home Co ltd
Current assignee: Zhejiang Sata Smart Home Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-10-25
Anticipated expiration: 2032-02-25

Abstract

A door body structure with a hidden hinge comprises a door body, a door frame and the hidden hinge, wherein the hidden hinge is positioned at the joint of the door body and the door frame; the door frame is of a frame structure with an opening formed on the outer side, the hidden hinge is positioned in the opening of the door frame and penetrates through the opening to be connected with the door body; a limit cover covered with a hidden hinge is also arranged in the opening and is fixedly connected to the door frame; the door body comprises an inner door plate, an interlayer and an outer door plate which are connected, a positioning block connected with the blind hinge is arranged on the interlayer, and an anti-collision piece is arranged on the interlayer; the anti-collision piece, the positioning block and the inner door panel are positioned on the same side of the interlayer; compared with the prior art, through establishing the fixed spacing cover that sets up at the blind hinge dustcoat for when the blind hinge can receive the support of spacing cover, also can prevent that the entering of debris from influencing the use of blind hinge, the setting of anticollision piece simultaneously makes anticollision piece can restrict opening angle to the hinge, prevents to cause the door body to collide wall body or door frame.

Description

Door body structure with concealed hinge

Technical Field

The utility model relates to a burglary-resisting door technical field, concretely relates to door body structure with hidden hinge.

Background

For the purpose of safety, a hidden hinge that is not accessible from the outside is generally used to prevent a lawless person from breaking a door hinge to illegally enter a room. A typical blind hinge includes a door frame mounting plate adapted to be mounted to a door frame, a door leaf mounting plate adapted to be mounted to a door leaf, and a substantially U-shaped hinge arm disposed between the door frame mounting plate and the door leaf mounting plate, one end of the hinge arm being fixedly connected to the door leaf mounting plate and being hinged to the door frame mounting plate by a hinge shaft.

The existing hidden hinges are arranged in the door frame, and meanwhile, in order to keep the integrity of the appearance of the door frame, the hinges cannot limit the opening angle, so that the door body is easy to collide with a wall body or the door frame, and the bearing capacity is poor.

Disclosure of Invention

The utility model relates to an overcome the defect among the above-mentioned prior art, provide a safe and reliable, dual guarantee's door body structure with blind hinge.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: a door body structure with a hidden hinge comprises a door body, a door frame and the hidden hinge, wherein the hidden hinge is positioned at the joint of the door body and the door frame; the door frame is of a frame structure with an opening formed on the outer side, the hidden hinge is positioned in the opening of the door frame and penetrates through the opening to be connected with the door body; a limit cover covered with a hidden hinge is also arranged in the opening and is fixedly connected to the door frame; the door body comprises an inner door plate, an interlayer and an outer door plate which are connected, a positioning block connected with the blind hinge is arranged on the interlayer, and an anti-collision piece is arranged on the interlayer; the anti-collision piece, the positioning block and the inner door plate are positioned on the same side of the interlayer.

As an optimized scheme of the utility model, the blind hinge includes the hinge seat and the hinge body that are connected, hinge seat fixed connection in the door frame, and the hinge body cup joints on the hinge seat, and hinge body bottom offsets with the hinge seat.

As a preferred scheme of the utility model, the hinge body tip is formed with two at least locating holes, is formed with the mating holes that are linked together with the locating hole on the locating piece.

As a preferred scheme of the utility model, the blind hinge sets up in the upper and lower both ends of the door body, and the anticollision piece is located between the blind hinge at upper and lower both ends.

As a preferred scheme of the utility model, anticollision spare is the echelonment structure, anticollision spare upper end and intermediate layer fixed connection, is formed with the clearance between anticollision spare lower extreme and the intermediate layer.

As a preferred scheme of the utility model, be formed with the mounting hole on the anticollision piece lower extreme.

As a preferred scheme of the utility model, be formed with the protruding muscle that sets up along door frame direction of height in the door frame opening, protruding muscle is located and is close to outer door plant department.

As an optimal scheme of the utility model, spacing cover middle part and door frame outside parallel and level, and both ends are the slope structure about spacing covering.

As an optimized proposal of the utility model, the bottom of the blind hinge is offset with the bottom of the inner wall of the limit cover.

As an optimized proposal of the utility model, an air outlet is formed on the door body.

Compared with the prior art, the beneficial effects of the utility model are that: the limiting cover is fixedly arranged outside the hidden hinge, so that the hidden hinge can be supported by the limiting cover, and meanwhile, the hidden hinge can be prevented from entering sundries to influence the use of the hidden hinge, and meanwhile, the anti-collision piece is arranged, so that the anti-collision piece can limit the opening angle of the hinge, and the door body is prevented from colliding with a wall body or a door frame.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a front view of the present invention;

fig. 4 is a rear view of the present invention;

FIG. 5 is a schematic view of the attachment of a blind hinge and a locating block;

FIG. 6 is a partial enlarged view at B in FIG. 5;

fig. 7 is a side view of the present invention;

reference numerals: the door body 1, the inner door plate 1-1, the interlayer 1-2, the outer door plate 1-3, the air outlet 1-4, the door frame 2, the convex rib 2-1, the hidden hinge 3, the hinge seat 3-1, the hinge body 3-2, the limiting cover 4, the anti-collision piece 5 and the mounting hole 5-1.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1-7, a door body structure with a hidden hinge comprises a door body 1, a door frame 2 and a hidden hinge 3, wherein the hidden hinge 3 is positioned at the joint of the door body 1 and the door frame 2; the door frame 2 is of a frame structure with an opening formed on the outer side, the hidden hinge 3 is positioned in the opening of the door frame 2, and the hidden hinge 3 penetrates through the opening to be connected with the door body 1; a limit cover 4 covered with the hidden hinge 3 is also arranged in the opening, and the limit cover 4 is fixedly connected to the door frame 2; the door body 1 comprises an inner door plate 1-1, an interlayer 1-2 and an outer door plate 1-3 which are connected, a positioning block connected with the blind hinge 3 is arranged on the interlayer 1-2, and an anti-collision piece 5 is arranged on the interlayer 1-2; the anti-collision piece 5, the positioning block and the inner door panel 1-1 are positioned on the same side of the interlayer 1-2.

The door body 1 and the door frame 2 are respectively connected to two ends of the hidden hinge 3, the rotation between the door body 1 and the door frame 2 is driven in the rotation process of the hidden hinge 3, and the limiting cover 4 is fixedly connected to the opening of the door frame 2 in a welding or bolt connection mode.

The hidden hinge 3 comprises a hinge seat 3-1 and a hinge body 3-2 which are connected, the hinge seat 3-1 is fixedly connected in a door frame 2, the hinge body 3-2 is sleeved on the hinge seat 3-1, the bottom of the hinge body 3-2 is abutted against the hinge seat 3-1, the hinge seat 3-1 comprises a sheet body and a cylinder body which are connected, the sheet body is fixedly connected in the door frame 2 through bolts, the cylinder body is of a cylindrical structure, the main body comprises an upper section and a lower section which are different in size, the diameter of the upper section is smaller than that of the lower section, the hinge body 3-2 comprises a sheet body and a cylinder body which are connected, the cylinder body is of a hollow structure, the cylinder body is sleeved on the upper section of the cylinder body of the hinge seat 3-1, the bottom of the cylinder body 3-2 is abutted against the lower section of the cylinder body of the hinge seat 3-1, and the cylinder body of the hinge body 3-2 is synchronously driven to rotate through the rotation of the sheet body of the hinge body 3-2.

At least two positioning holes are formed at the end part of the hinge body 3-2, matching holes communicated with the positioning holes are formed in the positioning blocks, the number of the positioning holes is set according to actual needs, the matching holes are of a blind hole structure, so that the matching holes are not displayed on the outer door panel 1-3, the anti-prying effect is achieved, the hinge body 3-2 is fixedly connected with the interlayer 1-2 under the action of bolts, the bolts penetrate through the positioning holes and the matching holes, the number of the matching holes is consistent with that of the positioning holes, and the hinge body 3-2, the interlayer 1-2 and the positioning blocks are ensured not to rotate relatively under the action of at least two positioning holes.

The hidden hinges 3 are arranged at the upper end and the lower end of the door body 1, the anti-collision pieces 5 are arranged between the hidden hinges 3 at the upper end and the lower end, the anti-collision pieces 5 are arranged at the hidden hinges 3 close to the lower end, and the hidden hinges 3 at the lower end are stressed less when the hidden hinges 3 are used, so that the deformation of the hidden hinges 3 at the lower end is smaller after the hidden hinges 3 at the lower end are used for a period of time, and the anti-collision pieces 5 are arranged at the hidden hinges 3 close to the lower end more stably.

The anti-collision part 5 is of a step-shaped structure, the upper end of the anti-collision part 5 is fixedly connected with the interlayer 1-2, a gap is formed between the lower end of the anti-collision part 5 and the interlayer 1-2, a mounting hole 5-1 is formed in the lower end of the anti-collision part 5, the lower end of the anti-collision part 5 has certain elastic allowance after collision of the door frame 2, a bump made of rubber can be mounted on the mounting hole 5-1, and when the lower end of the anti-collision part 5 collides with the door frame 2, the bump made of rubber firstly contacts with the door frame 2, so that collision abrasion between the anti-collision part 5 and the door frame 2 is reduced.

The opening of the door frame 2 is internally provided with a convex rib 2-1 arranged along the height direction of the door frame 2, the convex rib 2-1 is positioned at the position close to the outer door plate 1-3, and the convex rib 2-1 can be used for enhancing the outer side strength of the door frame 2, so that the door frame 2 has better pick-proof performance.

The middle part of the limit cover 4 is parallel and level with the outer side of the door frame 2, the upper end and the lower end of the limit cover 4 are of inclined structures, and the bottom of the blind hinge 3 is abutted to the bottom of the inner wall of the limit cover 4.

The limit cover 4 can be welded or two sides of the limit cover 4 are provided with a lapping edge which is attached to the door frame 2, the lapping edge is fixedly connected with the door frame 2 through a bolt, and the bottom of the hinge seat 3-1 is contacted with the inner wall of the limit cover 4, so that the limit cover 4 can play a certain supporting role on the hidden hinge 3 and prevent external sundries from entering the hidden hinge 3 to influence the hidden hinge 3.

The door body 1 is provided with air outlets 1-4.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the door comprises a door body 1, an inner door plate 1-1, an interlayer 1-2, an outer door plate 1-3, an air outlet 1-4, a door frame 2, a convex rib 2-1, a hidden hinge 3, a hinge seat 3-1, a hinge body 3-2, a limit cover 4, an anti-collision piece 5, a mounting hole 5-1 and other terms, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A door body structure with a hidden hinge comprises a door body (1), a door frame (2) and a hidden hinge (3), wherein the hidden hinge (3) is positioned at the joint of the door body (1) and the door frame (2); the door is characterized in that the door frame (2) is of a frame structure with an opening formed on the outer side, the hidden hinge (3) is positioned in the opening of the door frame (2), and the hidden hinge (3) penetrates through the opening to be connected with the door body (1); a limit cover (4) covered with the hidden hinge (3) is also arranged in the opening, and the limit cover (4) is fixedly connected to the door frame (2); the door body (1) comprises an inner door plate (1-1), an interlayer (1-2) and an outer door plate (1-3) which are connected, a positioning block connected with the blind hinge (3) is arranged on the interlayer (1-2), and an anti-collision piece (5) is arranged on the interlayer (1-2); the anti-collision piece (5), the positioning block and the inner door panel (1-1) are positioned on the same side of the interlayer (1-2).

2. The door body structure with the hidden hinge is characterized in that the hidden hinge (3) comprises a hinge seat (3-1) and a hinge body (3-2) which are connected, the hinge seat (3-1) is fixedly connected into the door frame (2), the hinge body (3-2) is sleeved on the hinge seat (3-1), and the bottom of the hinge body (3-2) is abutted against the hinge seat (3-1).

3. The door body structure with the concealed hinge according to claim 2, wherein at least two positioning holes are formed at the end of the hinge body (3-2), and the positioning block is formed with a matching hole communicated with the positioning holes.

4. The door body structure with the blind hinges according to claim 2, wherein the blind hinges (3) are arranged at the upper and lower ends of the door body (1), and the anti-collision members (5) are positioned between the blind hinges (3) at the upper and lower ends.

5. The door body structure with the blind hinge according to claim 1, wherein the anti-collision member (5) is of a stepped structure, the upper end of the anti-collision member (5) is fixedly connected with the interlayer (1-2), and a gap is formed between the lower end of the anti-collision member (5) and the interlayer (1-2).

6. The door body structure with the blind hinge according to claim 5, wherein the lower end of the impact prevention member (5) is formed with a mounting hole (5-1).

7. The door body structure with the blind hinge is characterized in that a convex rib (2-1) arranged along the height direction of the door frame (2) is formed in the opening of the door frame (2), and the convex rib (2-1) is positioned close to the outer door panel (1-3).

8. The door body structure with the concealed hinge according to claim 1, wherein the middle part of the limit cover (4) is flush with the outer side of the door frame (2), and the upper end and the lower end of the limit cover (4) are of inclined structures.

9. The door body structure with the blind hinge according to claim 8, wherein the bottom of the blind hinge (3) is abutted against the bottom of the inner wall of the limit cover (4).

10. The door body structure with the blind hinge according to claim 1, characterized in that the door body (1) is formed with air outlets (1-4).