CN215681396U

CN215681396U - Cabinet connecting piece and cabinet structure

Info

Publication number: CN215681396U
Application number: CN202121544777.6U
Authority: CN
Inventors: 沈小进; 吉鸿志; 李凯; 蒋伟
Original assignee: Zhongtian Electrical Technology Co ltd
Current assignee: Zhongtian Electrical Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-28
Anticipated expiration: 2031-07-07

Abstract

The utility model relates to the field of connecting structures, and aims to solve the problems of high hinge manufacturing cost and low vertical bearing capacity when a cabinet door is connected by adopting a hinge. A cabinet connector and a cabinet structure are provided, the cabinet connector includes a connecting frame and two end plates. The connecting frame comprises an inner wall, an intermediate wall and an outer wall; the inner wall and the outer wall are opposite in lateral interval, and the middle wall is connected to the same side of the inner wall and the outer wall, so that the connecting frame is of a strip-shaped frame-shaped structure with a U-shaped cross section and extends vertically. The two end plates are respectively connected to the top and the bottom of the connecting frame. The utility model has the advantages of lower cost and higher vertical bearing capacity.

Description

Cabinet connecting piece and cabinet structure

Technical Field

The utility model relates to the field of connecting structures, in particular to a cabinet connecting piece and a cabinet structure.

Background

Cabinet structures such as block terminal need use and realize the connecting piece of pivoted between cabinet door and the cabinet body.

In the prior art, in the manufacturing process of switch board, the hinge is indispensable. However, when the existing hinge is connected in a rotating mode, the problems that a special hinge structure is needed to realize, the manufacturing cost of the hinge is high, and the vertical bearing capacity is low exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a box cabinet connecting piece to solve the problems of high manufacturing cost and low vertical bearing capacity of a hinge when a box cabinet door is connected by the hinge.

The embodiment of the utility model is realized by the following steps:

a cabinet connector for connection between a cabinet door and a cabinet body, comprising:

the connecting frame comprises an inner wall, an intermediate wall and an outer wall; the inner wall and the outer wall are opposite at intervals in the lateral direction, and the middle wall is connected to the same side of the inner wall and the outer wall, so that the connecting frame is of a strip-shaped frame-shaped structure with a U-shaped section and extends vertically; the inner wall is provided with a first connecting part for connecting the inner wall with the cabinet body; each end plate is provided with a second connecting part for connecting the cabinet door thereon;

and the two end plates are respectively connected to the top and the bottom of the connecting frame.

The cabinet connecting piece in this scheme can replace current hinge, is used as the connecting piece of the cabinet door and the cabinet body of cabinet structure. During the use, earlier with the inner wall fixed connection of cabinet connecting piece in cabinet body door frame one side, fix the cabinet door on the end plate of cabinet connecting piece top and bottom through rotating the piece respectively from top to bottom again to realize the rotatable coupling of cabinet door and the cabinet body.

The cabinet connector in the scheme is simple in structure, general cabinet door opening and closing functions can be achieved through the special hinge of the simple sheet metal part replacing the cabinet, and the cabinet connector is convenient to manufacture and low in cost.

And, compare in the collaborative working method of a plurality of hinges, this cabinet connecting piece is single part, and the reliability is higher, and through setting up the bar-type structure into the U-shaped cross-section, can directly provide vertical bearing through the structure, and bearing capacity is high.

In one embodiment:

the first connecting part comprises a plurality of connecting holes which are arranged along the upper edge of the inner wall at intervals in the vertical direction; the outer wall is provided with a abdicating groove corresponding to the connecting hole.

In this embodiment, the inner wall may be coupled to the cabinet body at the coupling hole by a coupling screw. The arrangement of the yielding groove enables the cabinet door to be conveniently detached without inserting the cabinet door, and the screws can be detached and installed from the yielding groove and stretch into the connecting holes.

In one embodiment:

the second connecting part is a rotating hole which is vertically communicated and is formed in the two end plates.

The embodiment of the present application further provides a cabinet structure, which includes:

the cabinet body is provided with an opening;

the aforementioned bin connector;

and the cabinet door is connected to the cabinet body through a cabinet connecting piece and can be closed or opened.

In one embodiment:

the cabinet body is provided with a front plate, the front plate comprises peripheral side plates, and the peripheral side plates form an opening; the four sides of the opening extend outwards along the direction vertical to the side plates to form convex walls;

the cabinet door comprises a door plate, wherein the upper side and the lower side of the door plate respectively extend outwards along the direction vertical to the door plate to form horizontal sealing plates; one side edge of the door panel, which is far away from the cabinet connecting piece, extends outwards in a direction vertical to the door panel to form a vertical sealing plate;

the inner wall of the cabinet connecting piece is jointed and connected with the side plate on one side, and the opening of the U-shaped section of the connecting frame of the cabinet connecting piece faces outwards in the lateral direction;

two horizontal shroudings are upper and lower with its horizontal one end cooperation and two parallel coincide of end plate respectively to form normal running fit through the rotation post that passes both perpendicularly, and rotate at the cabinet door and close under the open state, the horizontal shrouding and the vertical shrouding of cabinet door support respectively on corresponding sideboard, and enclose the protruding wall in it.

In one embodiment:

the vertical spacing between the inner surfaces of the two horizontal sealing plates is slightly larger than the spacing between the outer surfaces of the two end plates.

In one embodiment:

one side of the door panel close to the cabinet connecting piece is connected with a folding structure;

when the cabinet door is at the maximum opening angle, the outer end edge of the folded edge structure is abutted against the inner surface of the outer wall, so that the outer wall is limited.

In one embodiment:

the folding structure comprises a first folding edge and a second folding edge;

the first folded edge is formed by vertically extending inwards from one side edge of the door panel close to the cabinet connecting piece; the second folded edge is formed by folding back from the outer end of the first folded edge to the direction parallel to the door panel; the outer end of the second folded edge is used as an outer end edge.

In one embodiment:

when the cabinet door is at the maximum opening angle, the rotating column is positioned between the door panel and the second folded edge and between the first folded edge and the outer wall.

In one embodiment:

the cabinet body comprises a rear plate, a peripheral plate and a front plate; the peripheral plates comprise four side plates which are sequentially connected to form a rectangular frame; the rear plate seals the rear openings of the peripheral plates;

the front plate is connected with the front opening of the peripheral plate;

the side plate of the front plate is coplanar with the outer edge of the front opening of the peripheral plate, so that the convex wall protrudes outwards; alternatively, the side panels of the front panel are recessed from the outer edges of the front openings of the peripheral panels such that the raised wall is located inwardly of the outer edges of the front openings of the peripheral panels.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a three-dimensional view of a bin connector according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of a bin connector in a first embodiment of the present invention;

FIG. 3 is a three-dimensional view of a cabinet structure according to a second embodiment of the present invention;

FIG. 4 is a cross-sectional view of a cabinet structure according to a second embodiment of the present invention;

FIG. 5 is an enlarged view of the bin structure shown in FIG. 4 at A;

fig. 6 is a schematic view showing a cabinet door and a cabinet connecting member of a cabinet structure according to a second embodiment of the present invention rotatably connected by a rotating post;

FIG. 7 is a three-dimensional view of a cabinet structure according to a third embodiment of the present invention;

FIG. 8 is a cross-sectional view of a cabinet structure in a third embodiment of the present invention;

FIG. 9 is an enlarged view at B of the bin structure shown in FIG. 8;

fig. 10 shows a schematic view of the rotational connection between the cabinet door and the cabinet connecting member of the cabinet structure in the third embodiment of the present invention through the rotating column.

Description of the main element symbols: 10-cabinet connector, 11-connecting frame, 12-inner wall, 13-middle wall, 14-outer wall, 15-end plate, 16-connecting hole, 17-avoiding groove, 18-rotating hole, 20-cabinet structure, 21-cabinet body, 22-opening, 23-cabinet door, 24-front plate, 25-side plate, 26-convex wall, 27-door plate, 28-horizontal sealing plate, 29-vertical sealing plate, 30-rotating column, 31-folding structure, 32-first folding edge, 33-second folding edge, 34-outer end edge, 35-back plate, 36-peripheral plate, 37-side plate, 40-cabinet structure and 41-accommodating groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application are described in detail. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Example one

Referring to fig. 1 and 2 (see fig. 3 or 7 in combination), the present embodiment proposes a cabinet connector 10 for connection between a cabinet door 23 and a cabinet body 21.

In this embodiment, the bin connector 10 includes a connection frame 11 and two end plates 15. The coupling frame 11 comprises an inner wall 12, an intermediate wall 13 and an outer wall 14. The inner wall 12 and the outer wall 14 are laterally spaced apart from each other, and the intermediate wall 13 is connected to the same sides of the inner wall 12 and the outer wall 14, so that the connecting frame 11 has a U-shaped cross-section and a vertically extending strip-shaped frame-like structure. The inner wall 12 is provided with a first connecting part for connecting the inner wall 12 with the cabinet body; each end plate 15 is provided with a second coupling portion for coupling a cabinet door thereto. Two end plates 15 are attached to the top and bottom of the coupling frame 11, respectively.

The cabinet connector 10 of the present embodiment may replace the existing hinge and serve as a connector for the cabinet door 23 and the cabinet body 21 of the cabinet structure 20. During the use, earlier with inner wall 12 fixed connection of cabinet connecting piece 10 in cabinet body 21 door frame one side, fix cabinet door 23 on the end plate 15 of cabinet connecting piece 10 top and bottom through rotating the piece respectively from top to bottom to realize the swivelling joint of cabinet door 23 and the cabinet body 21.

The cabinet connector in the scheme is simple in structure, can replace a special hinge of a cabinet through a simple sheet metal part to realize a common cabinet door 23 opening and closing function, and is convenient to manufacture and low in cost.

And, compare in the collaborative working method of a plurality of hinges, this cabinet connecting piece 10 is single part, and the reliability is higher, and through setting up the bar-shaped structure into the U-shaped cross-section, can directly provide vertical bearing through the structure, and bearing capacity is high.

In this embodiment, optionally, the bin connecting member 10 is formed by sheet metal processing such as a steel plate. For example, a steel plate is used, both sides of which are bent to form an inner wall 12 and an outer wall 14, respectively, and the middle portion of which serves as an intermediate wall 13. The end plate 15 may be formed by bending a plate portion protruding from both upper and lower ends of the intermediate wall 13. Alternatively, the edges of the end plates 15 corresponding to the inner and

outer walls

12 and 14 may be joined to the inner and

outer walls

12 and 14, respectively, by welding.

In this embodiment, the first connecting portion includes a plurality of connecting holes 16 vertically spaced along the inner wall 12. The outer wall 14 is provided with a yielding groove 17 corresponding to the connecting hole 16. In this embodiment, the inner wall 12 may be connected to the cabinet 21 from the connection hole 16 by a connection screw (not shown). Set up the groove of stepping down 17, the convenience is under the condition of not dismantling cabinet door 23, can stretch into connecting hole 16 department from the groove of stepping down 17, carries out the dismouting of screw.

In this embodiment, the second connecting portion is a vertically through rotating hole 18 formed in the end plate 15. By providing the rotation hole 18, a rotational connection between the end plate 15 and the cabinet door 23 can be achieved by a rotation post 30 (see fig. 6 or fig. 10 in cooperation).

Example two

Referring collectively to fig. 3-6, the present embodiment provides a cabinet structure 20 having an exterior cabinet door 23 of the cabinet structure 20.

The cabinet structure 20 in the present embodiment includes a cabinet body 21, a cabinet door 23, and the cabinet connector 10 in the first embodiment. Wherein, the cabinet 21 has an opening 22, and the opening 22 defines a receiving space therein. The cabinet door 23 is connected to the cabinet body 21 through the cabinet connection member 10 and can close or open the opening 22.

Specifically, the cabinet 21 includes a rear panel 35, a peripheral panel 36, and a front panel 24. The peripheral panel 36 includes four side panels 37 connected in series to form a rectangular frame. The rear plate 35 closes the rear opening of the peripheral plate 36. The front panel 24 is attached to the peripheral panel 36 at a front opening thereof. The front panel 24 includes a peripheral edge panel 25, the peripheral edge panel 25 defining an opening 22. The four sides of the opening 22 are extended outward in a direction perpendicular to the side plates 25 to form convex walls 26, respectively.

The edge panel 25 of the front panel 24 is coplanar with the outer edge of the front opening of the peripheral panel 36 so that the protruding wall 26 protrudes outwardly to allow the cabinet door 23 to take an exterior form.

The cabinet door 23 includes a door panel 27, and upper and lower edges of the door panel 27 respectively extend outward in a direction perpendicular to the door panel 27 to form horizontal sealing plates 28. The side edge of the door panel 27 remote from the bin connector 10 extends outwardly perpendicular to the door panel 27 to form a vertical sealing panel 29. The cabinet connection 10 is attached with its inner wall 12 abutting and to the side plate 25 on one side, and the opening of the U-shaped cross-section of the connection frame 11 of the cabinet connection 10 is directed laterally outwards. The upper and lower horizontal sealing plates 28 are respectively overlapped with one end in the transverse direction and the two end plates 15 in parallel, and form a rotation fit by a rotation column 30 vertically passing through the two, and in a state that the cabinet door 23 is rotated to close the opening 22, the horizontal sealing plate 28 and the vertical sealing plate 29 of the cabinet door 23 are respectively supported on the corresponding side plate 25 and enclose the convex wall 26 therein. In this embodiment, the pivot post 30 may be provided by the middle section of a rivet, the two ends of which are enlarged to define the end plate 15 and the horizontal closure plate 28 of the cabinet door therebetween.

Optionally, the vertical spacing between the inner surfaces of the two horizontal closure plates 28 is slightly greater than the spacing between the outer surfaces of the two end plates 15.

In this embodiment, a folding structure 31 is connected to a side of the door panel 27 close to the cabinet connector 10. When the cabinet door 23 is at its maximum opening angle, the outer end edge 34 of the edge-folding structure 31 abuts against the inner surface of the outer wall 14, and is thereby limited by the outer wall 14.

In this embodiment, the hem structure 31 includes a first hem 32 and a second hem 33. The first fold 32 extends perpendicularly inward from a side of the door panel 27 adjacent the bin connector 10. The second flap 33 is formed by being folded back from the outer end of the first flap 32 in a direction parallel to the door panel 27. The outer end of the second flap 33 serves as an outer end edge 34.

In this embodiment, the rotating post 30 is located between the door panel 27 and the second folded edge 33, and between the first folded edge 32 and the outer wall 14 when the cabinet door 23 is at its maximum opening angle.

EXAMPLE III

Referring to fig. 7-10, the present embodiment provides another cabinet structure 20, wherein the cabinet door 23 of the cabinet structure 20 is in an interior form.

This embodiment is substantially the same as the second embodiment except that the edge panel 25 of the front panel 24 is recessed from the outer edge of the front opening of the peripheral panel 36 so that the raised wall 26 is located inwardly of the outer edge of the front opening of the peripheral panel 36.

Thus, the front of the cabinet 21 actually forms a concave receiving groove 41 extending in a circle in a rectangular shape. The cabinet connecting element 10 is connected to the side plate 25 and then located at one side of the accommodating groove 41, the side of the cabinet door 23 connected to the cabinet connecting element 10 is also located in the accommodating groove 41, and in a closed state, the vertical sealing plate 29 and the horizontal sealing plate 28 of the cabinet door 23 are also matched into the accommodating groove 41 to form a seal for the opening 22.

In combination with the second and third embodiments, the cabinet connecting piece 10 in the embodiment of the present invention can be applied to the external or internal form, respectively, and has the advantage of strong versatility. Furthermore, it will be appreciated that the bin connector 10 provided in this embodiment may also accommodate the mounting of the cabinet door 23 on either the left or right side.

The cabinet connecting piece 10 in the scheme can be used for power distribution cabinets of power grids and the like.

In summary, the bin connector 10 in the embodiment of the present application has at least one of the following advantages:

1. the cabinet connecting piece 10 of this scheme can directly provide vertical bearing through the structure through the bar-shaped structure that sets up the U-shaped cross-section, and bearing capacity is high.

2. The cabinet connecting piece 10 of this scheme can make through simple and easy panel beating operation, and relative special hinge is when having the function of closing of traditional hinge, can come to control through the reasonable size that sets up second hem 33 and close the angle between cabinet door 23 and the cabinet body 21 to reach nimble control limit function. And the manufacturing is simple and convenient, the manufacturing cost is greatly reduced, and the purchase period is reduced.

3. Compared with the working mode that a plurality of hinges work in a coordinated mode, the cabinet connecting piece 10 can be set to be a single part, is higher in reliability, and is more excellent in positioning performance, performance of preventing the door plate 27 from falling and deforming and the like.

4. The cabinet connecting piece 10 in the scheme can enable the protection grade to reach IP by flexibly modifying corresponding tolerance fit parameters, and compared with a common hinge, the protection grade is higher and the applicability is wider.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.

Claims

1. A case cabinet connecting piece is used for the connection between cabinet door and the cabinet body, its characterized in that includes:

a connection frame comprising an inner wall, an intermediate wall, and an outer wall; the inner wall and the outer wall are opposite at a lateral interval, and the middle wall is connected to the same side of the inner wall and the outer wall, so that the connecting frame is of a strip-shaped frame-shaped structure with a U-shaped section and extends vertically; the inner wall is provided with a first connecting part for connecting the inner wall with the cabinet body;

the two end plates are respectively connected to the top and the bottom of the connecting frame; each of the end plates is provided with a second connecting portion for connecting a cabinet door thereto.

2. The bin connector of claim 1, wherein:

the first connecting part comprises a plurality of connecting holes which are vertically arranged on the inner wall at intervals; the outer wall is provided with a abdicating groove corresponding to the connecting hole.

3. The bin connector of claim 1, wherein:

the second connecting part is a vertically through rotating hole formed in the end plate.

4. A cabinet structure, comprising:

the cabinet body is provided with an opening;

the bin connector of any one of claims 1-3;

a cabinet door connected to the cabinet body through the cabinet connection member and capable of closing or opening the opening.

5. The cabinet structure according to claim 4, wherein:

the cabinet body is provided with a front plate, the front plate comprises peripheral side plates, and the peripheral side plates surround the opening; the four sides of the opening extend outwards along the direction vertical to the side plates to form convex walls;

the cabinet door comprises a door plate, and the upper side and the lower side of the door plate respectively extend outwards along the direction vertical to the door plate to form horizontal sealing plates; one side edge of the door panel, which is far away from the cabinet connecting piece, extends outwards in a direction perpendicular to the door panel to form a vertical sealing plate;

the inner wall of the bin connecting piece is attached to the side plate on one side, and the opening of the U-shaped section of the connecting frame of the bin connecting piece faces outwards in the lateral direction;

two from top to bottom horizontal shrouding is respectively with its horizontal one end cooperation and two the parallel coincide of end plate to form normal running fit through the rotation post that passes both perpendicularly, and rotate at the cabinet door and close under the open state, the horizontal shrouding and the vertical shrouding of cabinet door support respectively on the sideboard that corresponds, and will protruding wall encloses in it.

6. The cabinet structure according to claim 5, wherein:

the vertical distance between the inner surfaces of the two horizontal sealing plates is slightly larger than the distance between the outer surfaces of the two end plates.

7. The cabinet structure according to claim 5, wherein:

one side edge of the door panel close to the cabinet connecting piece is connected with a folding structure;

8. The cabinet structure according to claim 7, wherein:

the folding structure comprises a first folding edge and a second folding edge;

the first folded edge is formed by vertically extending inwards from one side edge of the door panel close to the cabinet connecting piece; the second folding edge is formed by folding back from the outer end of the first folding edge to the direction parallel to the door panel; the outer end of the second folded edge is used as the outer end edge.

9. The cabinet structure according to claim 8, wherein:

10. The cabinet structure according to any one of claims 5 to 9, wherein:

the cabinet body comprises a rear plate, a peripheral plate and the front plate; the peripheral plates comprise four side plates which are sequentially connected to form a rectangular frame; the rear plate closes the rear opening of the peripheral plate;

the front plate is connected to the front opening of the peripheral plate;

the side plates of the front plate and the outer sides of the front openings of the peripheral plates are coplanar, so that the convex walls are convex outwards; alternatively, the side panel of the front panel is recessed from the outer edge of the front opening of the peripheral panel such that the convex wall is located within the outer edge of the front opening of the peripheral panel.