A locking mechanism for limiting the push-pull stroke of a cabinet

Abstract

The utility model provides a kind of locking mechanism for cabinet push-pull stroke limiting, so that cabinet will not be misoperated and lead to cabinet in closed state, its assembly is quick and convenient.It includes: cabinet front vertical plate, its upper end edge includes inwardly bending reinforcing plate;Locking installation connecting plate;And limiting locking mechanism, it includes bottom shell, sliding plate, connecting plate, locking pressure plate, locking block;The width direction middle part of the bending reinforcing plate is opened with notched groove, the locking installation connecting plate is fixed in the corresponding position of the notched groove, the locking installation connecting plate is arranged in the position below the bending reinforcing plate, the locking point of the bottom shell is fixed on the upper surface of the locking installation connecting plate by fastener, the front end of the inner recess is open towards the back plate of cabinet arrangement.

Description

Technical Field

[0001] This utility model relates to the technical field of server chassis, specifically a locking mechanism for limiting the push-pull travel of a chassis. Background Technology

[0002] Existing server chassis, which need to be stacked inside the server rack, are generally designed as pull-out chassis. Pull-out chassis are typically installed in corresponding positions within the server rack via damping rails. Once assembled, the server chassis is relatively heavy, and with the damping force, it requires considerable force to pull out the server rack. To ensure reliable equipment assembly while keeping the chassis in an open state during installation, a travel limit mechanism needs to be installed on the outer perimeter of the chassis near the closed position of the damping rails. This prevents the chassis from closing due to damping. However, how to reliably design the travel limit mechanism and how to assemble it are technical problems that urgently need to be solved for pull-out chassis. Utility Model Content

[0003] To address the aforementioned issues, this utility model provides a locking mechanism for limiting the push-pull travel of a chassis, preventing the chassis from being accidentally closed, and making assembly quick and convenient.

[0004] A locking mechanism for limiting the push-pull stroke of a chassis, characterized in that it comprises:

[0005] The front panel of the chassis includes an inwardly bent reinforcing plate at its upper edge;

[0006] Locking and mounting connection plate;

[0007] And a limit locking mechanism, which includes a bottom shell, a sliding plate, a connecting plate, a locking pressure plate, and a locking block;

[0008] The bending reinforcing plate has a notch in the middle of its width direction. The locking mounting plate is fixed in the corresponding position of the notch. The locking mounting plate is arranged below the bending reinforcing plate. The locking point of the bottom shell is fixed to the upper surface of the locking mounting plate by fasteners. The front end of the concave cavity is open and faces the back plate of the chassis.

[0009] Its further features are:

[0010] The bottom shell has locking points around its perimeter. A concave cavity is formed at the center of the bottom shell along its length. The lower region of the concave cavity is open at the front end. A sliding plate is inserted into the lower region of the concave cavity along the front opening. A locking block is provided on the upper front end of the concave cavity. The upper rear surface of the sliding plate, which is mounted on the concave cavity, is pivotally connected to the corresponding end of the locking pressure plate. The middle section of the concave cavity along its length is pivotally connected to one end of the connecting plate via a pivot shaft. The other end of the connecting plate is pivotally connected to the lower surface of the middle section of the locking pressure plate along its length. The front end of the locking pressure plate has a protruding locking protrusion. The locking block, facing the locking protrusion of the locking pressure plate in its horizontal state, forms a locking cavity. In the front-end pressing state, the locking protrusion of the locking block disengages from the locking cavity. In the locking state, the locking protrusion of the locking block is located within the locking cavity.

[0011] Several guide protrusions are arranged in the middle of the height direction of the two side walls of the concave cavity. The guide protrusions are used to limit the stroke of the slide plate.

[0012] The locking plate is provided with a locking mechanism, which includes a driving end and a locking end. The connecting plate is provided with a locking hole. The locking plate and the connecting plate are stacked horizontally, and the locking end is placed in the locking hole.

[0013] The locking hole is an oblong hole. In the locking state, the lower oblong end of the locking end is placed below the oblong hole. The driving end drives the lower oblong end of the locking end to rotate, thereby completing the locking operation of the locking pressure plate and the connecting plate in a horizontal state.

[0014] The front end of the locking plate is provided with three sets of spaced locking protrusions to ensure stable and reliable locking.

[0015] The locking block is pivotally connected to the corresponding mounting holes of the concave cavity via convex shafts on both sides of the rear end. A spring is provided between the bottom front end of the locking block and the bottom surface of the concave cavity. The sliding plate is provided with a long clearance hole corresponding to the spring position. A gap is left between the front end of the locking block and the bottom surface of the concave cavity. In the locking state, pressing the front end of the locking block allows the locking protrusion to have space to disengage from the locking cavity. Then, the locking pressure plate is flipped upward, causing the locking pressure plate to bulge out and facing the back of the chassis. The bulging position of the locking pressure plate reliably blocks the corresponding shelf of the cabinet, preventing the chassis from being closed due to accidental operation.

[0016] With the structure of this utility model, a limiting and locking mechanism is fixedly installed at the notch groove position in the width direction of the bent reinforcing plate by a locking mounting connecting plate. When the limiting and locking mechanism does not require limiting, the locking pressure plate is horizontally stacked on the connecting plate and does not protrude outward from the bent reinforcing plate. When limiting is required, the locking pressure plate protrudes, and the upper protruding part of the locking pressure plate is set towards the back of the chassis. The upper protruding position of the locking pressure plate can reliably stop the corresponding shelf of the cabinet, so that the chassis will not be closed due to accidental operation. Moreover, the assembly of the limiting and locking mechanism is convenient and quick. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0018] Figure 2 The three-dimensional limiting and locking mechanism of this utility model Figure 1 ;

[0019] Figure 3 The three-dimensional limiting and locking mechanism of this utility model Figure 2 ;

[0020] Figure 4 The three-dimensional limiting and locking mechanism of this utility model Figure 3 ;

[0021] Figure 5 This is a cross-sectional view of the limiting and locking mechanism of this utility model;

[0022] The names corresponding to the serial numbers in the diagram are as follows:

[0023] 1. Locking point; 2. Concave cavity; 201. Front opening; 202. Side wall; 203. Mounting hole; 3. Pivot shaft; 4. Long clearance hole; 5. Locking protrusion; 6. Locking cavity; 7. Guide protrusion; 8. Concave clearance groove; 9. Locking mechanism; 91. Drive end; 92. Locking end; 92. Lower waist-shaped end; 921.

[0024] The chassis includes a front upright plate 10, a locking mounting plate 20, a limit locking mechanism 30, a bottom shell 31, a sliding plate 32, a connecting plate 33, a locking hole 331, a locking pressure plate 34, a locking block 35, a convex shaft 351, a spring 36, a bending reinforcing plate 40, a notch groove 41, and a rivet 50. Detailed Implementation

[0025] A locking mechanism for limiting the push-pull travel of a chassis, see... Figures 1-5 It includes a front upright plate 10 of the chassis, a locking mounting connection plate 20, and a limit locking mechanism 30;

[0026] The upper edge of the front panel 10 of the chassis includes an inwardly bent reinforcing plate 40;

[0027] The limiting and locking mechanism 30 includes a bottom shell 31, a sliding plate 32, a connecting plate 33, a locking pressure plate 34, and a locking block 35. Locking points 1 are provided around the bottom shell 31. A concave cavity 2 is provided at the center of the bottom shell 31 along its length. The lower region of the concave cavity 2 has an open front end 201. The sliding plate 32 is inserted into the lower region of the concave cavity 2 along the open front end 201. A locking block 35 is provided on the upper front end of the concave cavity 2. The corresponding end of the locking pressure plate 34 is pivotally connected to the upper rear end of the sliding plate 32. The middle section of the concave cavity 2 is pivotally connected to one end of the connecting plate 33 via the pivot shaft 3. The other end of the connecting plate 33 is pivotally connected to the lower surface of the middle section of the locking pressure plate 34. The front end of the locking pressure plate 34 is provided with a forward-protruding locking protrusion 5. The locking block 35 forms a locking cavity 6 at the position of the locking protrusion 5 of the locking pressure plate 34 in the horizontal state. When the locking block 34 is in the front-end pressing state, the locking protrusion 5 is disengaged from the locking cavity 6. When the locking block 34 is in the locking state, the locking protrusion 5 is located in the locking cavity 6.

[0028] The bending reinforcing plate 40 has a notch 41 in the middle of its width direction. The locking mounting plate 20 is fixed in the corresponding position of the notch 41. The locking mounting plate 20 is arranged below the bending reinforcing plate 40. The locking point 1 of the bottom shell 31 is fixed to the upper surface of the locking mounting plate 20 by rivets 50. The front opening 201 of the concave cavity 2 faces the back plate of the chassis.

[0029] In specific implementation, several guide protrusions 7 are arranged in the middle of the height direction of the two side walls 202 of the concave cavity 2. The guide protrusions 7 are used to limit the stroke of the slide plate 32. When the locking pressure plate 34 is horizontally stacked, a concave relief groove 8 is provided corresponding to the position of the guide protrusions 7.

[0030] The locking plate 34 is provided with a locking mechanism 9, which includes a driving end 91 and a locking end 92. The connecting plate 33 is provided with a locking hole 331. The locking plate 34 and the connecting plate 33 are in a stacked horizontal state, and the locking end 92 is placed in the locking hole 331.

[0031] The locking hole 331 is an oblong hole. In the locking state, the lower oblong end 921 of the locking end 92 is placed below the oblong hole 331. The driving end 91 drives the lower oblong end 921 of the locking end 92 to rotate, thereby completing the locking operation of the locking pressure plate 34 and the connecting plate 33 in the horizontal state. In specific implementation, the driving end 91 has a slotted thread structure.

[0032] The front end of the locking pressure plate 34 is provided with three sets of spaced locking protrusions 5 to ensure stable and reliable locking.

[0033] The locking block 35 is pivotally connected to the corresponding mounting holes 203 of the concave cavity 2 via the convex shafts 351 on both sides of the rear end. A spring 36 is provided between the bottom of the front end of the locking block 35 and the bottom surface of the concave cavity 2. The slide plate 32 is provided with a long clearance hole 4 corresponding to the spring position. There is a gap between the front end of the locking block 35 and the bottom surface of the concave cavity 2. In the locked state, the front end of the locking block 35 is pressed so that the locking protrusion 5 has space to disengage from the locking cavity 6. Then, the locking pressure plate 34 is flipped upward so that the locking pressure plate 34 protrudes upward and the protruding part of the locking pressure plate 34 is set towards the back of the chassis. The protruding position of the locking pressure plate 34 reliably blocks the corresponding shelf of the cabinet, so that the chassis will not be closed due to accidental operation.

[0034] Its working principle is as follows: A limiting and locking mechanism is fixedly installed at the notch in the width direction of the bent reinforcing plate by a locking mounting plate. When the limiting and locking mechanism does not need to limit, the locking plate is horizontally stacked on the connecting plate and does not protrude outward from the bent reinforcing plate. When the limiting is required, the locking plate protrudes and the upper protruding part of the locking plate is set towards the back of the chassis. The upper protruding position of the locking plate can reliably stop the corresponding shelf of the cabinet, so that the chassis will not be closed due to accidental operation. The limiting and locking mechanism is easy and quick to assemble.

[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0036] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A locking mechanism for limiting the push-pull stroke of a cabinet, characterized in that, It includes: The front panel of the chassis includes an inwardly bent reinforcing plate at its upper edge; Locking and mounting connection plate; And a limit locking mechanism, which includes a bottom shell, a sliding plate, a connecting plate, a locking pressure plate, and a locking block; The bending reinforcing plate has a notch in the middle of its width direction. The locking mounting plate is fixed in the corresponding position of the notch. The locking mounting plate is arranged below the bending reinforcing plate. The locking point of the bottom shell is fixed to the upper surface of the locking mounting plate by fasteners. The front end of the concave cavity is open and faces the back plate of the chassis.

2. The locking mechanism for limiting the push-pull stroke of the cabinet according to claim 1, characterized in that: The bottom shell has locking points around its perimeter. A concave cavity is formed along the length of the center of the bottom shell. The lower region of the concave cavity is open at the front end. A sliding plate is inserted into the lower region of the concave cavity along the front opening. A locking block is provided on the upper front end of the concave cavity. The upper rear surface of the sliding plate, which is installed in the concave cavity, is pivotally connected to the corresponding end of the locking pressure plate. The middle section of the concave cavity is pivotally connected to one end of the connecting plate via a pivot shaft. The other end of the connecting plate is pivotally connected to the lower surface of the middle section of the locking pressure plate. The front end of the locking pressure plate has a protruding locking protrusion. The locking block, facing the locking protrusion of the locking pressure plate in its horizontal state, forms a locking cavity. In the front-end pressing state, the locking protrusion of the locking block disengages from the locking cavity. In the locking state, the locking protrusion of the locking block is located within the locking cavity.

3. The locking mechanism for limiting the push-pull stroke of the cabinet according to claim 2, characterized in that: Several guide protrusions are arranged in the middle of the height direction of the two side walls of the concave cavity. The guide protrusions are used to limit the stroke of the slide plate.

4. The locking mechanism for limiting the push-pull stroke of the cabinet according to claim 2, characterized in that: The locking plate is provided with a locking mechanism, which includes a driving end and a locking end. The connecting plate is provided with a locking hole. The locking plate and the connecting plate are stacked horizontally, and the locking end is placed in the locking hole.

5. The locking mechanism for limiting the push-pull stroke of the cabinet according to claim 4, characterized in that: The locking hole is an oblong hole. In the locking state, the lower oblong end of the locking end is placed below the oblong hole. The driving end drives the lower oblong end of the locking end to rotate, thereby completing the locking operation of the locking pressure plate and the connecting plate in a horizontal state.

6. The locking mechanism for limiting the push-pull stroke of a cabinet according to claim 2, characterized in that: The locking block is pivotally connected to the corresponding mounting holes of the concave cavity via convex shafts on both sides of the rear end. A spring is provided between the bottom of the front end of the locking block and the bottom surface of the concave cavity. The sliding plate is provided with a long clearance hole corresponding to the spring position. A gap is left between the front end of the locking block and the bottom surface of the concave cavity. In the locked state, pressing the front end of the locking block allows the locking protrusion to have space to disengage from the locking cavity.

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