Anti-falling structure of direct current charging seat

Abstract

The utility model discloses an anti-falling structure of a direct current charging seat. The anti-falling structure comprises a charging seat plate, wherein a front end extension plate is fixedly arranged on one side of the charging seat plate; a back seat is fixedly arranged at one end of one side of the charging seat plate, and anti-falling limiting mechanisms are fixedly arranged at the top and the bottom of one side of the charging seat plate; the anti-disengaging limiting mechanism comprises supporting frame bases fixedly arranged at the top and the bottom of the inner side of the back base, and receding grooves are formed in the two sides of each supporting frame base. According to the anti-disengaging structure of the direct-current charging base, the two electric telescopic rods are adopted to drive the corresponding racks respectively, the racks drive the gears to rotate synchronously, and therefore the direct-current charging base is prevented from disengaging. The two limiting clamping jaws are driven to clamp charging equipment at the same time, uniform stress is guaranteed, equipment inclination or loosening caused by unstable single-side clamping is prevented, through meshing transmission of the racks and the gears, the opening and closing angle can be accurately controlled when the clamping jaws rotate, it is guaranteed that the clamping jaws apply clamping force at the proper positions, and the clamping efficiency is improved. And clamping failure caused by loosening or deviation of a mechanical structure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a direct current charging seat, especially a direct current charging seat's anti -drop structure. BACKGROUND

[0002] Direct current charging seat is a kind of device for charging direct current equipment, and direct current charging seat is widely used in wireless dust catcher, hand-held electric tool, electric vehicle charging station and other fields, provides the convenient charging mode:

[0003] Ordinary anti -drop structure (such as spring clip, mechanical buckle) usually cannot be automatically adjusted according to the size of equipment, can only be applicable to fixed size charging equipment, and the compatibility is poor, and mechanical buckle or spring clip can be loose after long-term use, so that the clamping force is weakened, and the equipment can slip due to external force vibration.

[0004] It should be noted that the above content belongs to the technical cognition scope of the utility model person, and does not necessarily constitute the prior art. UTILITY MODEL CONTENT

[0005] To solve the above problems, the utility model aims at providing a kind of anti -drop structure of direct current charging seat,

[0006] To achieve the above object, the utility model provides a kind of anti -drop structure of direct current charging seat, including charging seat plate:

[0007] The side of the charging seat plate is fixed with front end extension plate;

[0008] One end of the side of the charging seat plate is fixed with back seat, and the top and bottom of the side of the charging seat plate are fixed with anti -drop limiting mechanism;

[0009] The anti -drop limiting mechanism includes support frame seat fixedly arranged on the inner side top and inner side bottom of back seat, the both sides of support frame seat are provided with let slot, the middle position of the inner wall of two let slots is rotatably provided with rotary disc, one end of two rotary discs is rotatably connected with the both sides of the inner wall of U-shaped frame, the inner wall of U-shaped frame is connected with limiting clamp jaw by buffer mechanism, and the other side of the charging seat plate is provided with driving mechanism.

[0010] In one example, the buffer mechanism includes two penetrating rods penetratingly connected with the inner wall of U-shaped frame, one end of two penetrating rods is fixedly connected with one end of limiting clamp jaw, spring is sleeved on the outer wall of two penetrating rods, one end of the spring is in contact with one end of limiting clamp jaw, and the other end of the spring is in contact with one side of limiting plate.

[0011] In one example, the driving mechanism comprises two electric telescopic rods fixedly arranged at one end of the other side of the charging base plate, the telescopic ends of the two electric telescopic rods are fixedly connected with one end of the corresponding gear racks, the two gear racks are engaged with the corresponding gear wheels, and one end of the two gear wheels is fixedly connected with one side of the outer wall of the corresponding U-shaped frame through a connecting shaft.

[0012] In one example, one side of the two gear racks is fixedly provided with a sliding block, and the two sliding blocks are slidingly connected with the corresponding sliding grooves.

[0013] In one example, the front end position of the two limiting clamping jaws is inclined at an angle of 60°.

[0014] The anti-disengagement structure of the direct current charging base can bring the following beneficial effects:

[0015] The two electric telescopic rods are used to drive the corresponding gear racks, the gear racks drive the gear wheels to rotate synchronously, and then the two limiting clamping jaws clamp the charging equipment at the same time, so that the force is evenly distributed, the equipment is prevented from tilting or loosening due to unstable unilateral clamping, the gear racks and the gear wheels are engaged for transmission, the opening and closing angle of the clamping jaws can be accurately controlled when the clamping jaws rotate, the clamping force of the clamping jaws is ensured to be applied at a proper position, and clamping failure caused by loosening or deviation of the mechanical structure is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings described herein are used to provide a further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the descriptions thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0017] Fig. 1 It is a structural schematic view of the present application;

[0018] Fig. 2 It is a structural schematic view of the back of the charging base plate of the present application;

[0019] Fig. 3 It is a structural schematic view of the support frame seat of the present application;

[0020] Fig. 4 It is a structural schematic view of the limiting clamping jaw of the present application.

[0021] In the drawings: 1, charging base plate; 2, back seat; 3, support frame seat; 4, U-shaped frame; 5, limiting clamping jaw; 6, front end extension plate; 7, electric telescopic rod; 8, gear wheel; 9, gear rack; 10, sliding block; 11, sliding groove; 12, spring; 13, limiting plate; 14, rod; 15, slot; 16, rotating disc. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the utility model, the following will be described in detail with reference to the accompanying drawings.

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0025] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the specification, the description of the reference terms "one scheme", "some schemes", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the scheme or example are included in at least one scheme or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more schemes or examples in a suitable manner.

[0027] As Figs. 1-4 As shown in the utility model embodiment proposes a kind of anti-drop structure of direct current charging seat, including charging seat plate 1:

[0028] One side of the charging base plate 1 is fixedly provided with a front end extension plate 6;

[0029] One end of one side of the charging base plate 1 is fixedly provided with a back seat 2, and the top and bottom of one side of the charging base plate 1 are fixedly provided with anti-disengagement limiting mechanisms.

[0030] The anti-disengagement limiting mechanism comprises a support frame 3 fixedly arranged on the inner top and inner bottom of the back seat 2, both sides of the support frame 3 are provided with a let slot 15, and the middle position of the inner wall of the two let slots 15 is rotatably provided with a rotating disc 16, one end of the two rotating discs 16 is rotatably connected with the inner wall of the U-shaped frame 4, the inner wall of the U-shaped frame 4 is connected with the limiting clamping jaw 5 through a buffer mechanism, and the other side of the charging base plate 1 is provided with a driving mechanism.

[0031] Specifically, the buffer mechanism comprises two penetrating rods 14 penetratingly connected with the inner wall of the U-shaped frame 4, one end of the two penetrating rods 14 is fixedly connected with one end of the limiting clamping jaw 5, the outer wall of the two penetrating rods 14 is sleeved with a spring 12, the other end of the two penetrating rods 14 is fixedly provided with a limiting plate 13, one end of the spring 12 is in contact with one end of the limiting clamping jaw 5, and the other end of the spring 12 is in contact with one side of the limiting plate 13.

[0032] Specifically, the driving mechanism comprises two electric telescopic rods 7 fixedly arranged on one end of the other side of the charging base plate 1, the telescopic end of the two electric telescopic rods 7 is fixedly connected with one end of the corresponding rack 9, the two racks 9 are engaged with the corresponding gear 8, and one end of the two gears 8 is fixedly connected with one side of the outer wall of the corresponding U-shaped frame 4 through a connecting shaft 17.

[0033] Specifically, one side of the two racks 9 is fixedly provided with a sliding block 10, the two sliding blocks 10 are slidingly connected with the corresponding sliding groove 11, and the two sliding grooves 11 are arranged on the other end of the other side of the charging base plate 1.

[0034] Specifically, the front end position of the two limiting clamping jaws 5 is inclined at an angle of 60°.

[0035] Working principle: the charging base is in standby state, the limiting clamping jaw 5 is open, the charging device can be freely placed on the charging base plate 1, due to the action of the spring 12, the limiting clamping jaw 5 is kept in the initial position, so as to facilitate the placement of the device. The user places the charging device on the charging base plate 1, makes it close to the back seat 2, ensures that the charging interface of the device is aligned with the charging port of the charging seat. The electric telescopic rod 7 is started, drives the telescopic end to move, makes the rack 9 slide along the sliding groove 11, the movement of the rack 9 drives the gear 8 to rotate synchronously, the rotation of the gear 8 drives the U-shaped frame 4 to rotate, the limiting clamping jaw 5 in the inner wall of the U-shaped frame 4 moves inward, clamps the charging device, in the clamping process, the limiting clamping jaw 5 is connected with the U-shaped frame 4 through the rod 14 and the spring 12, when the clamping jaw contacts the charging device, the spring 12 is compressed, so that the limiting clamping jaw 5 generates appropriate clamping force on the device, at the same time, the excessive pressure is buffered, preventing the damage of the device shell, the limiting plate 13 controls the compression range of the spring 12, ensures that the limiting clamping jaw 5 will not be clamped too tightly or loosely, improves the clamping stability, in the charging process, the limiting clamping jaw 5 continuously maintains the clamping state, prevents the device from falling off due to external vibration or pulling. When the charging device completes charging, the electric telescopic rod 7 is retracted in reverse, the rack 9 moves reversely, the gear 8 rotates reversely, thereby driving the U-shaped frame 4 and the limiting clamping jaw 5 to open outward, releasing the device, the spring 12 resets, the rod 14 drives the limiting clamping jaw 5 to return to the initial position, ready for the next clamping.

[0036] Each embodiment in the specification is described in a progressive manner, and the same and similar parts between each embodiment can be referred to each other, and each embodiment focuses on the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, it is described more simply, and the related parts can be referred to the part of the method embodiment.

[0037] The above only describes the embodiments of the present application and is not used to limit the present application. The present application can be changed and varied by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. An anti-detachment structure for a DC charging dock, comprising a charging dock plate (1): A front extension plate (6) is fixedly provided on one side of the charging base plate (1); Its features are: A back seat (2) is fixedly provided at one end of one side of the charging base plate (1), and anti-detachment limiting mechanisms are fixedly provided at the top and bottom of one side of the charging base plate (1). The anti-detachment limiting mechanism includes a support frame (3) fixedly installed on the top and bottom of the inner side of the back seat (2). Both sides of the support frame (3) are provided with grooves (15). A turntable (16) is rotatably provided in the middle of the inner wall of the two grooves (15). One end of the two turntables (16) is rotatably connected to both sides of the inner wall of the U-shaped frame (4). The inner wall of the U-shaped frame (4) is connected to the limiting claw (5) through a buffer mechanism. A driving mechanism is provided on the other side of the charging base plate (1).

2. The anti-disconnection structure of a DC charging dock according to claim 1, characterized in that: The buffer mechanism includes two through rods (14) that are inserted into the inner wall of the U-shaped frame (4). One end of each through rod (14) is fixedly connected to one end of a limiting claw (5). A spring (12) is sleeved on the outer wall of each through rod (14). A limiting plate (13) is fixedly provided on the other end of each through rod (14). One end of the spring (12) contacts one end of the limiting claw (5), and the other end of the spring (12) contacts one side of the limiting plate (13).

3. The anti-disconnection structure of a DC charging dock according to claim 1, characterized in that: The drive mechanism includes two electric telescopic rods (7) fixedly installed on one end of the other side of the charging base plate (1). The telescopic ends of the two electric telescopic rods (7) are fixedly connected to one end of the corresponding rack (9). The two racks (9) mesh with the corresponding gears (8). One end of the two gears (8) is fixedly connected to one side of the outer wall of the corresponding U-shaped frame (4) through a connecting shaft (17).

4. The anti-disconnection structure of a DC charging dock according to claim 3, characterized in that: Each of the two racks (9) is fixedly provided with a slider (10) on one side. The two sliders (10) are slidably connected to the corresponding slide grooves (11). The two slide grooves (11) are opened at the other end of the other side of the charging base plate (1).

5. The anti-disconnection structure of a DC charging dock according to claim 1, characterized in that: The angle between the front ends of the two limiting grippers (5) is 60°.

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