Simple locking mechanism for equipment door plate

Abstract

The utility model relates to the technical field of machinery. A simple locking mechanism for an equipment door plate comprises a door plate, a limiting hook is fixed to the door plate, a screw column is arranged on the edge of the door plate, a locking rotary handle is arranged on the screw column in a sleeving mode, a locking screw is connected to the screw column in a threaded mode, and a gasket is arranged between the head of the locking screw and the screw column in a clamped mode. The periphery of the screw column is sleeved with a spring, and the spring is clamped between the locking rotary handle and the gasket. The lining strip is arranged on the equipment shell and is used for clamping and locking the rotary handle; the locking rotary handle comprises a locking block and a shifting rod which are sequentially arranged in the axial direction, and a limiting notch where the lining strip is embedded is formed between the locking block and the shifting rod. The edge of the door plate and the lining strip define a channel for the shifting rod to move, and the door plate is located in the channel and provided with a limiting protrusion extending towards the lining strip. According to the utility model, the shifting rod is shifted to drive the locking rotary handle to rotate, so that the switching between a locking position and an unlocking position can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of machinery, in particular to a locking mechanism. Background Art

[0002] Currently, equipment is often provided with a detachable door panel structure such as a maintenance door.

[0003] At present, most of the door panels are locked and fixed by structures such as door locks. However, door locks require special keys to open. For door panels that do not require anti-theft settings, the locking structure of the door lock is prone to the problem of being unable to be opened quickly due to the loss of the key. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a simple locking mechanism for a door panel of an equipment, which solves at least one of the above-mentioned technical problems.

[0005] The technical solution of the utility model is: a simple locking mechanism for a door panel of an equipment, comprising a door panel, characterized in that a limiting hook for inserting into a limiting hole of an equipment housing is fixed to the door panel;

[0006] The edge of the door panel is provided with a screw column, a locking handle is sleeved on the screw column, a locking screw is threadedly connected to the screw column, and a gasket is sandwiched between the head of the locking screw and the screw column;

[0007] A spring is sleeved on the outer periphery of the screw column, and the spring clip is arranged between the locking handle and the gasket;

[0008] It also includes a lining strip installed on the device housing and used for clamping the locking handle;

[0009] The locking handle comprises a locking block and a lever which are sequentially arranged along the axial direction, and a limiting notch which is embedded in the lining strip is provided between the locking block and the lever;

[0010] The edge of the door panel and the lining strip form a channel for the lever to move, and the door panel is provided with a limiting protrusion extending toward the lining strip in the channel, and the channel is divided into a locking position and an unlocking position which are adjacently arranged by the limiting protrusion;

[0011] When the lever is located at the locking position, the locking handle is engaged with the lining strip;

[0012] When the lever swings and is located at the unlocking position, the locking handle is disengaged from the lining strip.

[0013] The utility model optimizes the locking structure, and can switch between the locked position and the unlocked position by toggling the lever to drive the rotation of the locking handle. The spring can be used to switch the locking handle between the locked position and the unlocked position, and only the lever needs to be toggled to overcome the elastic force of the spring to pass over the limit protrusion, effectively avoiding the loss of the locking function due to the weight of the locking handle and the drooping caused by vibration.

[0014] Further preferably, the limiting protrusion is in a crest shape.

[0015] This facilitates the lever to slide smoothly along the crest structure.

[0016] Further preferably, the channel further includes a gap located between the locking position and the unlocking position and matching the thickness of the shifting rod.

[0017] Further preferably, the limiting hook is an L-shaped structure.

[0018] Further preferably, the limiting hole includes an upper portion and a lower portion which are arranged vertically, the upper portion is a rectangular hole structure, and the lower portion is a trapezoidal structure which is narrow at the top and wide at the bottom.

[0019] It is convenient to guide the limiting hook into the limiting hole.

[0020] Further preferably, at least two locking handles arranged side by side are installed at the lower end of the door panel.

[0021] Further preferably, a limiting groove for embedding the spring is provided on the locking handle.

[0022] Further preferably, the locking block is a water drop-shaped cam structure.

[0023] Further preferably, the locking block is provided with an extension portion extending radially outward, and the extension portion and the shifting rod are respectively used to be clamped on both sides of the lining strip;

[0024] The limiting notch is arranged between the extending portion and the shifting rod.

[0025] Further preferably, a handle is provided at the bottom of the lever.

[0026] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention provides a simple locking device that can quickly open and close the rear door panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural schematic diagram of the locking handle in the locking position of the specific embodiment 1 of the utility model;

[0028] Figure 2 For this utility model Figure 1Sectional view at the middle BB;

[0029] Figure 3 A bottom view of the locking handle of the specific embodiment 1 of the utility model in a locked position with the device housing hidden;

[0030] Figure 4 It is a partial structural schematic diagram of a specific embodiment 1 of the utility model;

[0031] Figure 5 It is an exploded view of specific embodiment 1 of the utility model;

[0032] Figure 6 This is a partial structural diagram of a specific embodiment 1 of the utility model;

[0033] Figure 7 It is a partial structural schematic diagram of a specific embodiment 1 of the utility model;

[0034] Figure 8 It is a structural schematic diagram of the locking handle in the unlocking position of specific embodiment 1 of the utility model.

[0035] In the figure, 1. Equipment housing; 2. Door panel; 3. Screw; 4. Gasket; 5. Locking handle; 6. Handle; 7. Limiting hook; 8. Lining strip; 9. Spring; 10. Screw column; 11. Limiting protrusion. DETAILED DESCRIPTION

[0036] See also Figures 1 to 8, Specific embodiment 1, a simple locking mechanism for a door panel of an equipment, comprising a door panel 2, a limiting hook 7 for inserting into a limiting hole of a housing 1 of an equipment is fixed to the door panel 2; a screw column 10 is arranged at the edge of the door panel 2, a locking handle 5 is sleeved on the screw column 10, a locking screw 3 is threadedly connected to the screw column 10, a gasket 4 is sandwiched between the head of the locking screw 3 and the screw column 10; a spring 9 is sleeved on the outer periphery of the screw column 10, the spring 9 is sandwiched between the locking handle 5 and the gasket 4; and a spring 9 is installed on the housing 1 of the equipment and used for clamping The lining strip 8 of the locking rotary handle 5; the locking rotary handle 5 includes a locking block and a lever arranged in sequence along the axial direction, and a limiting notch embedded in the lining strip 8 exists between the locking block and the lever; the edge of the door panel 2 and the lining strip 8 enclose a channel for the lever movement, and the door panel 2 is provided with a limiting protrusion 11 extending toward the lining strip 8 in the channel, and the channel is divided into adjacent locking positions and unlocking positions by the limiting protrusion 11; when the lever is in the locking position, the locking rotary handle 5 is engaged with the lining strip 8; when the lever swings and is in the unlocking position, the locking rotary handle 5 is disengaged from the lining strip 8. The utility model optimizes the locking structure, and by toggling the lever, the locking rotary handle 5 is driven to rotate, so as to realize the switching between the locking position and the unlocking position. By means of the spring 9, when the locking handle 5 is switched between the locking position and the unlocking position, it is only necessary to move the lever to overcome the elastic force of the spring 9 and pass over the limiting protrusion 11, thereby effectively avoiding the loss of the locking function due to the locking handle 5's own gravity and sagging caused by vibration.

[0037] The limiting protrusion 11 is in the shape of a wave crest, which facilitates the lever to slide smoothly along the wave crest structure. The channel also includes a gap between the locking position and the unlocking position and matching the thickness of the lever.

[0038] The lining strip 8 is an L-shaped bending structure. The lining strip 8 includes a vertically arranged card plate. The limiting notch is embedded in the card plate. The card plate and the door panel 2 form a passage.

[0039] The limiting hook 7 is an L-shaped structure. The limiting hole includes an upper portion and a lower portion arranged up and down, the upper portion is a rectangular hole structure, and the lower portion is a trapezoidal structure that is narrow at the top and wide at the bottom, so as to facilitate guiding the limiting hook 7 into the limiting hole.

[0040] At least two locking handles 5 arranged side by side are installed at the lower end of the door panel 2 .

[0041] The locking handle 5 is provided with a limit groove for embedding the spring 9. The locking block is a water drop-shaped cam structure. The locking block is provided with an extension portion extending radially outward, and the extension portion and the lever are respectively used to be clamped on both sides of the lining strip 8; a limit notch is provided between the extension portion and the lever.

[0042] A handle 6 is provided at the bottom of the lever.

[0043] How to use: Align the limit hooks 7 on both sides of the door panel 2 with the limit holes on the device housing 1, insert them and lift them upwards, turn the handle 6 to lock the rotary handle on the lining strip 8 (see Figure 1 ), and at the same time, the limit hooks on both sides of the door panel 2 are relatively fixed to the device housing to prevent the door panel from falling. The limit protrusions 11 on the door panel 2 play a role of limiting, preventing the vibration from sagging and losing the locking function.

[0044] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A simple locking mechanism for a door panel of an equipment, comprising a door panel, characterized in that: The door panel is fixed with a limiting hook for inserting into the limiting hole of the device housing; The edge of the door panel is provided with a screw column, a locking handle is sleeved on the screw column, a locking screw is threadedly connected to the screw column, and a gasket is sandwiched between the head of the locking screw and the screw column; A spring is sleeved on the outer periphery of the screw column, and the spring clip is arranged between the locking handle and the gasket; It also includes a lining strip installed on the device housing and used for clamping the locking handle; The locking handle comprises a locking block and a lever which are sequentially arranged along the axial direction, and a limiting notch which is embedded in the lining strip is provided between the locking block and the lever; The edge of the door panel and the lining strip form a channel for the lever to move, and the door panel is provided with a limiting protrusion extending toward the lining strip in the channel, and the channel is divided into a locking position and an unlocking position which are adjacently arranged by the limiting protrusion; When the lever is located at the locking position, the locking handle is engaged with the lining strip; When the lever swings and is located at the unlocking position, the locking handle is disengaged from the lining strip.

2. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: The limiting protrusion is in a crest shape.

3. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: The channel also includes a gap between the locking position and the unlocking position and matching the thickness of the shifting rod.

4. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: The limiting hook is an L-shaped structure.

5. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: The limiting hole comprises an upper portion and a lower portion which are arranged up and down, the upper portion is a rectangular hole structure, and the lower portion is a trapezoidal structure which is narrow at the top and wide at the bottom.

6. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: At least two locking handles arranged side by side are installed at the lower end of the door panel.

7. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: The locking handle is provided with a limiting groove for embedding the spring.

8. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: The locking block is a water drop-shaped cam structure.

9. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: The locking block is provided with an extension portion extending radially outward, and the extension portion and the shifting rod are respectively used to be clamped on both sides of the lining strip; The limiting notch is arranged between the extending portion and the shifting rod.

10. The simple locking mechanism for a door panel of an equipment according to claim 1, characterized in that: A handle is arranged at the bottom of the lever.

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