Door opening angle limiting connecting rod and cabinet box body

By adopting the design of limiting grooves and limiting holes on the cabinet door panel, combined with the longitudinal degree of freedom of the limiting component and the snap-fit ​​structure, the problem of unstable limiting of the cabinet door panel is solved, and a stable connection of the door panel is achieved when the door panel is open.

CN223872505UActive Publication Date: 2026-02-03XIAMEN KEHUA DIGITAL ENERGY TECH CO LTD
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Patent Information

Application Number
CN202423067420.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2026-02-03
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

In existing technologies, the limiting method of cabinet door panels is unstable and is prone to falling off in harsh environments, resulting in the door panels not opening securely.

Method used

The door opening angle limiting linkage is adopted, including a first linkage structure, a second linkage structure and a limiting component. Through the cooperation of the limiting groove and the limiting hole, the door panel is stably limited. The longitudinal degree of freedom and the snap-fit ​​structure of the limiting component are used to ensure the stability of the door panel in the open state.

Benefits of technology

It achieves stable limiting of the door panel when it is open, ensuring a secure connection and preventing detachment due to environmental factors such as strong winds. It is also easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a door opening angle limiting connecting rod and a cabinet box body, and belongs to the technical field of cabinets, the door opening angle limiting connecting rod comprises a first connecting rod structure, a second connecting rod structure and a limiting piece; the first connecting rod structure is hinged to the door frame and provided with a limiting groove formed in the length direction, and the limiting piece is longitudinally and movably arranged at the free end of the first connecting rod structure; the second connecting rod structure is hinged to the door plate, the free end of the second connecting rod structure extends into the limiting groove and is in sliding fit with the first connecting rod structure, and the free end of the second connecting rod structure is provided with a limiting hole clamped and matched with the limiting piece. According to the door opening angle limiting connecting rod, the second connecting rod structure moves towards the outer side along with opening of the door plate till the limiting hole of the second connecting rod structure is positioned by the limiting piece on the first connecting rod structure; the second connecting rod structure and the first connecting structure are matched with the limiting piece for positioning, the opening state of the door plate is limited, and connection is stable.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rack, more specifically, relate to a door opening angle limit connecting rod and rack box. BACKGROUND

[0002] The door plate of the rack of electronic equipment is connected on the cabinet through the hinge. The door plate needs to be limited during the operation and assembly process of the cabinet. The conventional shaft position screw limiting mode is unstable. When the on-site environment is bad and the wind is strong, the wire is easy to fall off. UTILITY MODEL CONTENTS

[0003] The utility model discloses a door opening angle limit connecting rod and rack box, which can limit the door plate firmly in the open state.

[0004] To achieve the above object, the utility model adopts the technical scheme of providing a door opening angle limit connecting rod, which comprises a first connecting rod structure, a second connecting rod structure and a limiting piece. The first connecting rod structure is hinged on a door frame. The first connecting rod structure has a limiting slot formed along the length direction. The free end of the first connecting rod structure has a longitudinal limiting through hole. The free end of the second connecting rod structure extends into the limiting slot and is in sliding cooperation with the first connecting rod structure. The free end of the second connecting rod structure has a longitudinal limiting hole. The limiting piece penetrates through the limiting through hole and extends into the limiting slot. One end of the limiting piece in the limiting slot has a limiting block matched with the limiting hole. The limiting piece has a longitudinal degree of freedom to drive the limiting block to be clamped on the inner side of the limiting hole or between the second connecting rod structure and the limiting through hole.

[0005] As another embodiment of the application, it further comprises a first connecting piece and a second connecting piece. The first connecting piece is fixed on the door frame, and the second connecting piece is fixed on the door plate. The fixed end of the first connecting rod structure is hinged with the first connecting piece, and the fixed end of the second connecting rod structure is hinged with the second connecting piece.

[0006] As another embodiment of the application, the first connecting rod structure comprises a connecting rod body. The two sides of the connecting rod body have L-shaped folded edges extending downward. The two L-shaped folded edges cooperate with the connecting rod body to form the limiting slot. The lower end surface of the second connecting rod structure is attached to the upper end of the horizontal part of the L-shaped folded edge. The limiting piece penetrates through the connecting rod body and has a longitudinal degree of freedom.

[0007] As another embodiment of the application, the limiting hole is an oblong hole. The length of the limiting block is greater than the width of the limiting hole.

[0008] As another embodiment of the present application, the limiting member comprises a longitudinal rod, the longitudinal rod is through the limiting through hole and rotationally matched with the limiting through hole; the limiting block is connected to the lower end of the longitudinal rod.

[0009] As another embodiment of the present application, the limiting member further comprises a limiting plate, the limiting plate is connected to the upper end of the longitudinal rod, the cross section of the limiting plate is larger than the area of the limiting through hole, the limiting plate and the limiting block cooperate to limit the longitudinal displacement of the longitudinal rod.

[0010] As another embodiment of the present application, the upper end of the limiting member is further provided with a handle, the handle is used to drive the longitudinal movement and horizontal rotation of the limiting member.

[0011] As another embodiment of the present application, the upper end surface of the limiting groove has a plurality of limiting protrusions arranged at intervals, the limiting protrusions extend downward, the limiting protrusions are used to fit the upper end surface of the second connecting rod structure; the accommodation space for accommodating the limiting block is formed between the adjacent two limiting protrusions.

[0012] As another embodiment of the present application, the limiting protrusion is longitudinally punched into the connecting rod body.

[0013] The door opening angle limiting connecting rod has the advantages that: compared with the prior art, the door opening angle limiting connecting rod is rotationally connected to the door frame and the door plate through the first connecting rod structure and the second connecting rod structure respectively, in working, the second connecting rod structure is located in the limiting groove of the first connecting rod structure and moves outward along with the opening of the door plate, until the limiting hole of the second connecting rod structure is positioned by the limiting member, and the opening state of the door plate is limited through the cooperation of the second connecting rod structure and the first connecting rod structure with the limiting member, the connection is stable, and the door plate is convenient and reliable.

[0014] A cabinet box body is also provided, comprising a cabinet body and a cabinet door, the door frame and the door plate of the cabinet door are connected through a hinge, and the door frame and the door plate adopt the above-mentioned door opening angle limiting connecting rod.

[0015] The cabinet box body has the advantages that: compared with the prior art, the door plate and the door frame of the cabinet door are provided with the door opening angle limiting connecting rod and the cabinet box body, so as to control the opening degree of the door plate and the stable state during opening, the structure connection is stable, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 The structure diagram of the door opening angle limiting connecting rod provided by the embodiments of the present utility model is shown in the figure.

[0018] Figure 2 The sectional view of the door opening angle limiting connecting rod provided by the embodiments of the present utility model is shown in the figure.

[0019] Figure 3 The structure diagram of the cabinet box door provided by the embodiments of the present utility model is shown in the figure.

[0020] Figure 4 The front view of the cabinet box door provided by the embodiments of the present utility model is shown in the figure.

[0021] In the figure: 1, first connecting rod structure; 2, second connecting rod structure; 3, sink groove; 4, limiting plate; 5, handle; 6, vertical rod; 7, limiting block; 8, first connecting piece; 9, door frame; 10, door plate; 11, second connecting piece. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical schemes and beneficial effects to be solved by the present utility model more clearly understood, the following will further describe the present utility model in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model, and are not used to limit the present utility model.

[0023] Please refer to Figures 1 to 4 The door opening angle limiting connecting rod and the cabinet box provided by the present utility model will be described. The door opening angle limiting connecting rod comprises a first connecting rod structure 1, a second connecting rod structure 2 and a limiting piece. The first connecting rod structure 1 is hinged on the door frame 9. The first connecting rod structure 1 has a limiting slot opened along the length direction. The free end of the first connecting rod structure 1 has a longitudinal limiting through hole. The free end of the second connecting rod structure 2 extends into the limiting slot and is in sliding cooperation with the first connecting rod structure 1. The free end of the second connecting rod structure 2 has a longitudinal limiting hole. The limiting piece penetrates through the limiting through hole and extends into the limiting slot. One end of the limiting piece in the limiting slot has a limiting block 7 matched with the limiting hole. The limiting piece has a longitudinal freedom degree to drive the limiting block 7 to be clamped on the inner side of the limiting hole or between the second connecting rod structure 2 and the limiting through hole.

[0024] Compared with the prior art, the door opening angle limiting connecting rod is characterized in that the first connecting structure 1 and the second connecting structure are respectively rotatably connected to the door frame 9 and the door plate 10, in operation, the second connecting structure 2 is located in the limiting groove of the first connecting structure 1 and moves outward along with the opening of the door plate 10, until the limiting hole of the second connecting structure 2 moves to the position of the limiting piece, the limiting piece on the first connecting structure 1 moves downward, and the limiting block 7 at the bottom of the limiting piece is clamped and positioned in the limiting hole.

[0025] Specifically, the door opening angle limiting connecting rod and the cabinet box further comprise a first connecting piece 8 and a second connecting piece 11, the first connecting piece 8 is fixed on the door frame 9, and the second connecting piece 11 is fixed on the door plate 10; the fixed end of the first connecting structure 1 is hinged to the first connecting piece 8, and the fixed end of the second connecting structure 2 is hinged to the second connecting piece 11.

[0026] Taking the first connecting piece 8 as an example, the first connecting piece 8 comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are perpendicular, the first connecting part is a sheet structure, is attached to the surface of the door frame 9 and is fixedly connected with the door frame 9, and the connecting mode can adopt screws and the like. When the first connecting part is attached to the door frame 9, the second connecting part extends horizontally, a longitudinal connecting hole is formed in the second connecting part, and the connecting hole is hinged to the fixed end of the first connecting structure 1.

[0027] The structure of the second connecting piece 11 is consistent with that of the first connecting piece 8. The first connecting part of the second connecting piece 11 is attached to the inner side wall of the door plate 10, and the connecting hole of the second connecting part of the second connecting piece 11 is used for hinging the fixed end of the second connecting structure 2.

[0028] In some possible embodiments, referring to Figures 1 to 4 , the first connecting structure 1 comprises a connecting rod body, the two sides of the connecting rod body have downwardly extending L-shaped folded edges, and the two L-shaped folded edges cooperate with the connecting rod body to form the limiting groove; the lower end surface of the second connecting structure 2 is attached to the upper end of the horizontal part of the L-shaped folded edge; and the limiting piece penetrates through the connecting rod body and has a longitudinal degree of freedom.

[0029] The two sides of the connecting rod body of the first connecting structure 1 are connected with the L-shaped folded edges through bending or welding, the two L-shaped folded edges form support structures on the two sides and the lower side of the connecting rod body respectively, and the two L-shaped folded edges cooperate with the connecting rod body to form a frame structure with a rectangular cross section, and the limiting groove is formed in the frame. The L-shaped folded edge comprises a vertical part and a horizontal part, the vertical part is perpendicular to the connecting rod body and extends downward, and the horizontal part is connected to the lower end of the vertical part and extends inwardly and perpendicularly to the vertical part. The L-shaped folded edge can be directly formed through bending of the connecting rod body.

[0030] The second connecting rod structure 2 is a long strip-shaped plate structure, the free end of the second connecting rod structure 2 extends into the limiting groove, and the second connecting rod structure 2 is attached to the upper end surface of the horizontal part of the two L-shaped folded edges.

[0031] The limiting member is connected to the free end of the first connecting rod structure 1, when the limiting member is above the second connecting rod structure 2, the second connecting rod structure 2 can move along the length direction, when the limiting hole at the free end of the second connecting rod structure 2 is below the limiting member, the limiting member is moved downward, and the limiting member is engaged with the limiting hole of the second connecting rod structure 2. In order to facilitate the longitudinal movement of the limiting member, the limiting member penetrates through the connecting rod body of the first connecting rod structure 1, and the artificial operation of the upward and downward movement can realize the engagement or disengagement of the limiting hole.

[0032] The limiting member includes a vertical rod 6, the vertical rod 6 penetrates through the limiting through hole on the connecting rod body, the lower end of the vertical rod 6 is connected to a limiting block 7, and the limiting block 7 is used for adapting to the limiting hole; the longitudinal depth of the limiting groove is greater than the sum of the thickness of the limiting block 7 and the thickness of the second connecting rod structure 2.

[0033] The vertical rod 6 penetrates through the connecting rod body of the first connecting rod structure 1, and extends to the upper end of the connecting rod body, so as to facilitate the artificial operation of the lifting. Correspondingly, the connecting rod body has a circular limiting through hole, and the limiting through hole only allows the vertical rod 6 to pass through. The lower end of the vertical rod 6 has the limiting block 7, the cross section of the limiting block 7 is greater than the area of the limiting through hole, the limiting block 7 is limited in the limiting groove, and the limiting block 7 is adapted to the limiting hole of the second connecting rod structure 2.

[0034] Specifically, the limiting hole is an oblong hole; the length of the limiting block 7 is greater than the width of the limiting hole; the vertical rod 6 is rotationally matched with the limiting through hole, and is used for rotating and positioning the limiting block 7 lifted above the limiting hole.

[0035] The vertical rod 6 not only can be lifted along the longitudinal direction through the limiting through hole, but also can be horizontally rotated; after the vertical rod 6 is lifted, the vertical rod 6 is rotated to make the length direction of the limiting block 7 consistent with the width direction of the second connecting rod structure 2, the limiting block 7 stays at the upper end of the second connecting rod structure 2 after the external force is removed, and the sliding of the second connecting rod structure 2 is not affected.

[0036] The limiting member further includes a limiting plate 4, the limiting plate 4 is connected to the upper end of the vertical rod 6, the limiting plate 4 is located above the connecting rod body, the cross section of the limiting plate 4 is greater than the area of the limiting through hole, and the limiting plate 4 and the limiting block 7 are matched to limit the longitudinal displacement of the vertical rod 6.

[0037] The upper end of the limiting member is further provided with a handle 5, and the handle 5 is used for driving the longitudinal movement and horizontal rotation of the limiting member.

[0038] In some possible embodiments, please refer to Figure 3 and Figure 4The upper end face of the limiting groove has a plurality of limiting protrusions arranged at intervals, the limiting protrusions extend downward, and the limiting protrusions are used for abutting against the upper end face of the second connecting rod structure 2; a space for accommodating the limiting block 7 is formed between adjacent two limiting protrusions. The limiting block 7 is located between the adjacent two limiting protrusions, the length of the limiting block 7 is less than the distance between the adjacent two limiting protrusions, and the thickness of the limiting block 7 is consistent with the thickness of the limiting protrusions. The limiting protrusions are formed by longitudinal stamping of the connecting rod body.

[0039] The connecting rod body is formed by downward stamping to form a plurality of grooves 3, and a plurality of limiting protrusions are formed on the upper end face of the limiting groove and protrude downward. The limiting protrusions abut against or leave a gap with the upper end face of the second connecting rod structure 2, and the limiting protrusions are used for limiting the longitudinal position of the second connecting rod structure 2. The limiting through hole through which the longitudinal rod 6 passes is located between the adjacent two limiting protrusions, so that the longitudinal rod 6 and the limiting block 7 are both located between the two limiting protrusions, and the limiting protrusions do not affect the clamping of the limiting block 7 and the disengagement of the limiting block 7.

[0040] When the door is opened for maintenance, the first connecting rod structure 1 and the second connecting rod structure 2 move in opposite directions until the free end of the second connecting rod structure 2 moves to the limiting member; the limiting member is rotated so that the length direction of the limiting block 7 is consistent with the length direction of the limiting hole, and the limiting block 7 falls into the limiting hole to limit the opening of the second connecting rod structure 2 and the door plate 10.

[0041] When the door needs to be closed, the limiting member is manually lifted and rotated by 90°, so that the limiting block 7 is located above the second connecting rod structure 2 and the length direction of the limiting block 7 is consistent with the width direction of the limiting hole, avoiding the limiting block 7 from falling into the limiting hole again; the door plate 10 is closed, and the second connecting rod structure 2 and the first connecting rod structure 1 move relatively until the door plate 10 is completely closed.

[0042] The cabinet box further comprises a cabinet body and a cabinet door, the door frame 9 and the door plate 10 of the cabinet door are connected through a hinge, and the door frame 9 and the door plate 10 adopt the opening angle limiting connecting rod and the cabinet box.

[0043] Compared with the prior art, the opening angle limiting connecting rod and the cabinet box are arranged between the door plate 10 and the door frame 9 of the cabinet door, so as to control the opening of the door plate 10 and the stable state when the door is opened, the structure connection is stable, and the operation is convenient.

[0044] The above only describes preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A door opening angle limiting linkage, characterized in that, The system includes a first connecting rod structure (1), a second connecting rod structure (2), and a limiting member. The first connecting rod structure (1) is hinged to the door frame (9). The first connecting rod structure (1) has a limiting groove opened along its length. The free end of the first connecting rod structure (1) has a longitudinal limiting through hole. The free end of the second connecting rod structure (2) extends into the limiting groove and slides with the first connecting rod structure (1). The free end of the second connecting rod structure (2) has a longitudinal limiting hole. The limiting member passes through the limiting through hole and extends into the limiting groove. One end of the limiting member located in the limiting groove has a limiting block (7) that matches the limiting hole. The limiting member has a longitudinal degree of freedom to drive the limiting block (7) to engage with the inside of the limiting hole or be located between the second connecting rod structure (2) and the limiting through hole.

2. The door opening angle limiting linkage as described in claim 1, characterized in that, It also includes a first connector (8) and a second connector (11), the first connector (8) being fixed on the door frame (9) and the second connector (11) being fixed on the door panel (10); the fixed end of the first linkage structure (1) is hinged to the first connector (8) and the fixed end of the second linkage structure (2) is hinged to the second connector (11).

3. The door opening angle limiting linkage as described in claim 1, characterized in that, The first link structure (1) includes a link body, and the two sides of the link body have downwardly extending L-shaped flanges. The two L-shaped flanges cooperate with the link body to form the limiting groove. The lower end face of the second link structure (2) is attached to the upper end of the horizontal part of the L-shaped flange. The limiting member passes through the link body and has longitudinal freedom.

4. The door opening angle limiting linkage as described in claim 3, characterized in that, The limiting hole is an oblong hole; the length of the limiting block (7) is greater than the width of the limiting hole.

5. The door opening angle limiting linkage as described in claim 4, characterized in that, The limiting member includes a longitudinal rod (6), which passes through the limiting through hole and rotates with the limiting through hole; the limiting block (7) is connected to the lower end of the longitudinal rod (6).

6. The door opening angle limiting linkage as described in claim 5, characterized in that, The limiting component also includes a limiting plate (4), which is connected to the upper end of the longitudinal rod (6). The cross-sectional area of ​​the limiting plate (4) is larger than the area of ​​the limiting through hole. The limiting plate (4) and the limiting block (7) cooperate to limit the longitudinal displacement of the longitudinal rod (6).

7. The door opening angle limiting linkage as described in claim 6, characterized in that, The upper end of the limiting member is also provided with a handle (5), which is used to drive the limiting member to move longitudinally and rotate horizontally.

8. The door opening angle limiting linkage as described in claim 4, characterized in that, The upper end face of the limiting groove has a plurality of spaced limiting protrusions, which extend downward and are used to fit the upper end face of the second connecting rod structure (2); a clearance space is formed between two adjacent limiting protrusions to accommodate the limiting block (7).

9. The door opening angle limiting linkage as described in claim 8, characterized in that, The limiting protrusion is formed by longitudinal stamping of the connecting rod body.

10. A server rack enclosure, characterized in that, It includes a cabinet and a door, wherein the door frame (9) and the door panel (10) of the door are connected by hinges, and the door frame (9) and the door panel (10) are connected by an opening angle limiting link as described in any one of claims 1-9.