CN220889903U

CN220889903U - Limiting device of door cover

Info

Publication number: CN220889903U
Application number: CN202322137632.XU
Authority: CN
Inventors: 张世玉; 董文龙; 彭丙艳
Original assignee: Qingdao Haili Commercial Appliances Co ltd
Current assignee: Qingdao Haili Commercial Appliances Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-05-03
Anticipated expiration: 2033-08-10

Abstract

The application discloses a limiting device of a door cover, which relates to the technical field of hinge plate positioning and comprises a base, a positioning rod, a limiting assembly fixed on the base, a door cover and a turning piece which are connected into a whole, wherein the turning piece is rotatably connected with the base, a turning space is formed between the turning piece and the base, a limiting cavity is formed at the position corresponding to the positioning rod, at least one group of elastic telescopic structures are distributed in the limiting cavity in the direction vertical to the turning space, and each elastic telescopic structure consists of a spring and a clamping block, and the technical advantages of the application are that: the hinged installation of the glass borderless door cover is realized by arranging the turning piece which is inserted with the door cover; the barb type mosaic structure is arranged between the hinge piece and the base, so that the hinge strength is stronger when the door cover is turned over; the elastic telescopic spherical clamping block interacts with the positioning rod, so that the spherical clamping block can provide limiting capability at the initial position when the spherical clamping block is opened by less than 90 degrees; the door cover only needs to be reset by virtue of the spherical design when unlocking.

Description

Limiting device of door cover

Technical Field

The application relates to the technical field of hinge plate positioning, in particular to a limiting device of a door cover.

Background

The door cover is generally used for sealing the opening sides of various boxes, and the refrigerator is often also provided with the door cover matched with the door cover in the use process, and the door cover is usually opened and closed in a hinged mode. The size of the door cover needs to be matched with the size of the refrigerator door, and meanwhile, materials such as stainless steel, aluminum alloy and the like need to be selected so as to meet the requirements of sanitation, attractive appearance and durability. The door cover is installed by first determining the height and width of the refrigerated cabinet door to ensure that the door cover covers the upper portion of the cabinet and is perfectly matched with the door.

In the using process of the refrigerated cabinet, in order to facilitate customers to select the internal articles, the door cover is generally made of transparent glass, the borderless glass door cover is the optimal choice of the refrigerated cabinet, and the surface of the refrigerated cabinet is not easy to punch and install due to the nature of glass, so that the hinging between the refrigerated cabinet and the door cover is one of the problems which are urgently needed to be solved by the person skilled in the art; in the overturning process of the door cover, the stability and durability of the hinge position of the door cover are also improved; the door cover should be smaller than 90 degrees when the refrigerator is opened to ensure the convenience of use, and how to realize the locking and unlocking of the door cover when the door cover is smaller than 90 degrees is also a problem which needs to be solved by the person skilled in the art.

Disclosure of utility model

The device provides a limiting device of a door cover, and the specific implementation mode is as follows:

A door closure stop device, comprising:

the door cover is connected with the base in a whole, and the turnover piece is connected with the base in a rotating way;

The positioning rod is connected with the turning piece, a turning space is formed between the turning piece and the base, and the positioning rod and the door cover are subjected to angle adjustment in the turning space range;

the limiting component is fixed on the base, a limiting cavity is formed in the position, corresponding to the positioning rod, of the limiting component, at least one group of elastic telescopic structures are arranged in the limiting cavity in the direction perpendicular to the turning space, each elastic telescopic structure is composed of a spring and a clamping block, one side, close to the positioning rod, of each clamping block is arranged to be arc-shaped, and the positioning rod rotates to cross two sides of each clamping block in the turning space, so that the fixed angle limiting function of the door cover on the premise that no external force is applied to the base is achieved.

Based on above technical scheme, elastic expansion structure and locating lever cooperation have realized that the door closure is less than the locking under 90 states, and circular-arc elastic expansion structure can be stretched out and draw back after applying effort to the door closure simultaneously, and then can easily realize the unblock of door closure, has set up corresponding baffle on the base and has made the door closure upset can not exceed 90, because the door closure can continue to rotate backward and then bump and damage when exceeding 90.

Preferably, the hinge part is arranged at the rotation joint of the turning part and the base, the axle center of the rotating shaft is provided with a waist-shaped rotating shaft, and the turning part is provided with a waist-shaped hole which is spliced with the waist-shaped rotating shaft.

Preferably, the hinge part is detachably connected with the base, a locking structure is arranged between the hinge part and the base, a positioning groove is formed in the base along the length direction, and the back of the hinge part is provided with a barb clamped with the positioning groove.

Preferably, the hinge member is provided with a through hole, the base is provided with a plurality of first threaded holes along the length direction of the base, and the bolts penetrate through the through hole and are connected with the first threaded holes in a threaded manner.

Based on above technical scheme, after the barb and the constant head tank joint of hinge, the contact surface of hinge and base is bigger, and contact angle gives more, and then makes the stability of being connected between hinge and the base stronger when the customer turns the door closure.

Preferably, the turning piece and the door cover are in a plug-in interference fit structure, a plug-in groove is formed in the turning piece at the plug-in position, and rubber is arranged in the plug-in groove.

Preferably, the clamping block is in a spherical structure, and the rotating track of the positioning rod is only overlapped with the spherical diameter-reducing section on one side of the clamping block.

Preferably, the positioning rod consists of a rod head and a mounting seat, a mounting hole is formed in the mounting seat, and the mounting seat is combined with the turning piece in a threaded manner through the mounting hole and a bolt.

Preferably, the two sides of the limiting cavity are respectively provided with an elastic telescopic structure, and a plurality of groups of springs and clamping blocks are distributed on any one side along the turning direction of the limiting cavity.

Based on the technical scheme, the inside of the inserting groove is provided with the rubber material, so that the door cover made of glass material can be installed without a frame, and the use is more attractive.

In summary, the application has the following beneficial technical effects:

1. According to the utility model, the hinged installation of the glass borderless door cover is realized by arranging the turning piece which is inserted into the door cover;

2. according to the utility model, the barb type mosaic structure is arranged between the hinge piece and the base, so that the hinge strength is stronger when the door cover is turned over, and the detachable hinge piece is convenient for later maintenance and replacement;

3. the utility model has simple structure, through the interaction of the elastic telescopic spherical clamping block and the positioning rod, the spherical clamping block can provide limiting capability at the initial position when the door is opened at an angle of less than 90 degrees, and the door cover can be reset by compressing the spherical clamping block only through inertia and spherical design when the door is unlocked.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in an open state;

FIG. 2 is a schematic view of the structure of the present utility model in a closed state;

FIG. 3 is a cross-sectional view of the post-explosion structure of the present utility model;

FIG. 4 is a schematic view of the base and hinge assembly of the present utility model;

FIG. 5 is a schematic view of the assembly of the flip and hinge of the present utility model;

FIG. 6 is an enlarged view of a portion of the spacing assembly of the present utility model;

FIG. 7 is a schematic view of the assembly of the spacing assembly and the locating lever of the present utility model;

fig. 8 is a schematic structural view of the limit assembly according to the present utility model in a modified application.

Reference numerals illustrate:

1. Door closure, 2, flip piece, 3, base, 4, articulated elements, 5, spacing subassembly, 6, locating lever, 7, flip space, 201, jack groove, 202, waist shape hole, 301, locating groove, 302, first screw hole, 401, barb, 402, waist shape pivot, 403, via hole, 501, spacing chamber, 502, joint piece, 503, spring, 601, pole head, 602, mount pad.

Detailed Description

The following describes specific embodiments of the utility model with reference to the drawings and examples:

It should be noted that the structures, proportions, sizes, etc. shown in the drawings are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims.

Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

The application is described in further detail below with reference to fig. 1-8.

The embodiment of the application discloses a limiting device of a door cover.

Example 1

Referring to fig. 1 to 7, this embodiment provides a stop device of door closure, including base 3, door closure 1, turn piece 2, locating lever 6 and spacing subassembly 5, turn piece 2 and door closure 1 be plug-in interference fit's structure, the grafting groove 201 has been seted up on the piece 2 of pegging graft department, and the inslot of grafting groove 201 sets up to the rubber material, turn piece 2 rotation connects in base 3, locating lever 6 is connected with turn piece 2, be formed with between turn piece 2 and the base 3 and turn space 7, spacing subassembly 5 is fixed in on base 3 in this structure, it has seted up spacing chamber 501 with locating lever 6 correspondence department, and set up two sets of elastic telescopic structure in the direction that is perpendicular to turn space 7 in spacing chamber 501, two sets of opposition are located spacing chamber 501's both sides, after the locating lever 6 rotates certain angle, it passes and arranges the spacing locking of elastic telescopic structure's the opposite side in the place, and then realized the spacing locking of door closure 1 appointed angle, simultaneously also be convenient for the unblock.

The elastic telescopic structure consists of a spring 503 and a clamping block 502, one side of the clamping block 502 close to the positioning rod 6 is spherical, and the rotating track of the positioning rod 6 is only overlapped with the spherical diameter-reducing section on one side of the clamping block 502.

The hinge 4 is arranged at the rotation joint of the turning piece 2 and the base 3, the waist-shaped rotating shaft 402 is arranged at the shaft center of the rotating shaft, the waist-shaped hole 202 which is inserted into the waist-shaped rotating shaft 402 is arranged on the turning piece 2, and the waist-shaped matching can effectively prevent the relative rotation between the waist-shaped rotating shaft 402 and the turning piece 2.

The positioning rod 6 consists of a rod head 601 and a mounting seat 602, the mounting seat 602 is provided with a mounting hole, and the mounting seat 602 is combined with the turning piece 2 in a threaded manner through the mounting hole and a bolt.

The specific implementation process is as follows: the door cover 1 and the turner 2 are turned over within 90 degrees relative to the base 3 in a portable mode; in the process, the positioning rod 6 synchronously moves along the direction of the turning space 7 and contacts with the spherical clamping block 502, so that the spring 503 is compressed, and the clamping block 502 is pushed away; at this time, the acting force of a person is removed, the spherical clamping block 502 is abutted against the positioning rod 6, the downward movement trend is realized under the action of gravity, but the elastic force of the spring 503 is larger than the gravity of the door cover 1, and the door cover 1 is limited by a fixed angle; when unlocking, only acting force is applied to the door cover 1, so that the resultant force of the acting force and the door cover is larger than the elastic force of the spring 503 to unlock.

Example 2

Referring to fig. 6 to 8, and based on embodiment 1, this embodiment further provides a door cover limiting device, referring to part a in fig. 8, in this structure, only a group of elastic telescopic structures are arranged in the direction perpendicular to the turning space 7 in the limiting cavity 501, which is arranged on any side of the limiting cavity 501, and angle limiting on the door cover 1 can also be achieved through a spring 503 and a clamping block 502 on one side.

Example 3

Referring to fig. 6 to 8, and based on embodiment 1, this embodiment further provides a limiting device for a door cover, referring to part b in fig. 8, two groups of elastic telescopic structures are distributed in the direction perpendicular to the turning space 7 in the limiting cavity 501, the two groups of elastic telescopic structures are respectively disposed on two sides of the limiting cavity 501, and the two groups of elastic telescopic structures are staggered in the turning direction of the turning space 7, so that the angle limitation of the door cover 1 under two angles can be realized according to the requirement of a user.

Example 4

Referring to fig. 6 to 8, and based on embodiment 1, this embodiment also provides a limiting device for a door cover, referring to part c in fig. 8, four groups of elastic telescopic structures are distributed in the direction perpendicular to the turning space 7 in the limiting cavity 501, and the four groups of elastic telescopic structures are oppositely arranged at two sides of the limiting cavity 501, so that the two-angle positioning of the door cover 1 can be realized, and meanwhile, the stability of the limiting process can be improved due to the elastic telescopic structures with the same number at two sides.

Example 5

Referring to fig. 1 to 6, and based on the above embodiment, the present embodiment further provides a limiting device for a door cover, in which the hinge element 4 is detachably connected with the base 3, the base 3 is provided with a positioning groove 301 along a length direction, the back of the hinge element 4 is provided with a barb 401 clamped with the positioning groove 301, in this structure, the hinge element 4 is provided with a via hole 403, the base 3 is provided with a plurality of first threaded holes 302 along a length direction thereof, and the bolts pass through the via hole 403 and are screwed into the first threaded holes 302, so that the installation between the two is realized through the bolts, and meanwhile, in the overturning use process of the door cover 1, the barb 401 can unload force through the positioning groove 301, so as to further improve the durability of the hinge element 4.

Many other changes and modifications may be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims

1. The utility model provides a stop device of door closure, includes base (3), connects door closure (1) and flip piece (2) as an organic whole, flip piece (2) rotate connect in base (3), its characterized in that still includes:

A positioning rod (6) connected with the turning piece (2), a turning space (7) is formed between the turning piece (2) and the base (3), and the positioning rod (6) and the door cover (1) are subjected to angle adjustment within the range of the turning space (7);

The limiting component (5) fixed on the base (3) is provided with a limiting cavity (501) at the position corresponding to the positioning rod (6), and the limiting cavity (501) is vertically provided with at least one group of elastic telescopic structures in the direction of the turning space (7), each elastic telescopic structure consists of a spring (503) and a clamping block (502), one side, close to the positioning rod (6), of each clamping block (502) is arranged in an arc shape, and the positioning rod (6) turns over through rotation on two sides of each clamping block (502) in the turning space (7) so as to realize the fixed angle limiting function of the door cover (1) relative to the base (3) under the premise of no external force application.

2. The limiting device of the door cover according to claim 1, wherein a hinge (4) is arranged at the rotation joint of the turning piece (2) and the base (3), a waist-shaped rotating shaft (402) is arranged at the axis center of the rotating shaft, and a waist-shaped hole (202) which is spliced with the waist-shaped rotating shaft (402) is arranged on the turning piece (2).

3. The limiting device of a door cover according to claim 2, wherein the hinge member (4) is detachably connected with the base (3), a locking structure is arranged between the hinge member and the base, a positioning groove (301) is formed in the base (3) along the length direction, and a barb (401) clamped with the positioning groove (301) is formed in the back of the hinge member (4).

4. A door cover limiting device according to claim 3, wherein the hinge member (4) is provided with a through hole (403), the base (3) is provided with a plurality of first threaded holes (302) along the length direction thereof, and bolts pass through the through hole (403) and are screwed into the first threaded holes (302).

5. The limiting device of the door cover according to claim 1, wherein the turning piece (2) and the door cover (1) are in a plug-in interference fit structure, a plug-in groove (201) is formed in the turning piece (2) at the plug-in position, and rubber materials are arranged in the plug-in groove (201).

6. The limiting device of the door cover according to claim 1, wherein the clamping block (502) is in a spherical structure, and the rotation track of the positioning rod (6) is only overlapped with the spherical diameter-reducing section on one side of the clamping block (502).

7. The limiting device of a door cover according to claim 6, wherein the positioning rod (6) is composed of a rod head (601) and a mounting seat (602), a mounting hole is formed in the mounting seat (602), and the mounting seat (602) is combined with the turning piece (2) in a threaded manner through the mounting hole and a bolt.

8. The door cover limiting device according to claim 1, wherein the two sides of the limiting cavity (501) are respectively provided with an elastic telescopic structure, and a plurality of groups of springs (503) and clamping blocks (502) are arranged on any side along the turning direction.