Battery quick-mounting buckle for electric wheelchair

Abstract

The utility model discloses an electric wheelchair battery fast-assembling buckle which comprises a battery shell, an installing cavity is formed in one end of the interior of the battery shell, a lock catch is arranged in the installing cavity in a sliding mode, the bottom of the lock catch is connected with the bottom of the installing cavity through a spring, a guiding inclined groove is formed in the lock catch, and a pin shaft is embedded in the guiding inclined groove. A through groove is further formed in the lock catch, and the pressing block is inserted into the through groove and connected with the pin shaft. The pin shaft can be pushed to move by pressing the pressing block inwards, so that the lock catch moves downwards and retracts into the mounting cavity under the action of the guide chute, and after the pressing block is loosened, the lock catch resets upwards under the action of the spring and simultaneously drives the pressing block to reset outwards, and compared with a sliding block type, the operation is simpler and more labor-saving, and the problem of slippage does not exist; the inclined surface is arranged at the upper end of the lock catch, and when the battery is installed, the lock catch retracts downwards under the action of the inclined surface, so that the pressing block does not need to be pressed.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric wheelchair battery installation, and in particular relates to an electric wheelchair battery quick-install buckle. Background Art

[0002] Electric wheelchairs are modified and upgraded on the basis of traditional manual wheelchairs by adding high-performance power drive devices, intelligent control devices, batteries and other components. They are equipped with manually operated intelligent controllers and can drive the wheelchair to complete multiple functions such as forward, backward, turning, standing and lying flat. They are a new generation of intelligent wheelchairs that are a combination of modern precision machinery, intelligent numerical control, engineering mechanics and other fields.

[0003] The lithium battery used for power supply inside the electric wheelchair is mostly fixed to the battery holder inside the wheelchair through structures such as quick-release buckles. Most existing quick-release buckles are in the form of sliders, which have some defects in practical applications. For example, the handle needs to be connected to the slider with screws, which is inconvenient to install; the handle is easy to slip when pressed by fingers, and the operation is more difficult. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a quick-install buckle for an electric wheelchair battery, which has the characteristics of adopting a press-type control, being simple and convenient to operate, and not requiring the use of screws for assembly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric wheelchair battery quick-release buckle, comprising a battery housing, a mounting cavity being provided at one end inside the battery housing, a lock buckle sliding inside the mounting cavity, the bottom of the lock buckle being connected to the bottom of the mounting cavity by a spring, a guide bevel being provided on the lock buckle, a pin being embedded inside the guide bevel being, a through groove being also provided inside the lock buckle, a pressing block being inserted into the through groove and connected to the pin shaft.

[0006] In order to retract the lock buckle downwards under the action of the inclined surface when installing the battery, thereby eliminating the need to press the pressing block, further, an inclined surface is provided at the upper end of the lock buckle.

[0007] In order to enable the lock catch to move downward when the pin is pushed to the right, further, the guide inclined groove is arranged obliquely upward.

[0008] In order to achieve a limiting connection between the pressing block and the pin shaft, thereby realizing screwless assembly and making the assembly of the lock buckle simpler, an open groove is further provided on the pressing block, and a limiting circular groove is provided at the end of the open groove.

[0009] In order to facilitate the assembly of the pressing block and the pin shaft, further, the upper side wall of the opening groove is an upwardly inclined structure.

[0010] In order to make the upper wall of the opening groove have a certain deformation ability, thereby facilitating the assembly of the pressing block and the pin shaft, further, an avoidance groove connected to the opening groove is provided above the opening groove.

[0011] In order to provide an escape space for the up and down movement of the lock buckle and avoid interference with the pressing block, further, the height of the through groove is greater than the height of the pressing block.

[0012] In order to allow the pressing block to be inserted, further, a slot for inserting the pressing block is provided on the battery housing and the cavity wall of the installation cavity.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model can push the pin shaft to move by pressing the pressing block inward, so that the lock buckle moves downward under the action of the guide inclined groove and retracts into the inside of the installation cavity. After releasing the pressing block, the lock buckle resets upward under the action of the spring and drives the pressing block to reset outward at the same time. Compared with the slider type, the operation is simpler and more labor-saving, and there is no problem of slipping;

[0015] 2. The upper end of the lock buckle of the utility model is provided with an inclined surface. When installing the battery, the lock buckle is retracted downward under the action of the inclined surface, thereby eliminating the need to press the pressing block;

[0016] 3. The pressing block of the utility model is provided with an open groove, and a limiting circular groove is provided at the end of the open groove. The pin shaft is limited by the limiting circular groove to realize the limiting connection between the pressing block and the pin shaft, thereby realizing screw-free assembly, making the assembly of the lock buckle simpler;

[0017] 4. The upper side wall of the opening groove of the utility model is an upwardly inclined structure from left to right. When the pressing block is assembled, it plays a guiding role for the pin shaft, which facilitates the assembly of the pressing block and the pin shaft;

[0018] 5. An avoidance groove connected to the opening groove is provided above the opening groove of the utility model, so that the upper wall of the opening groove has a certain deformation ability, thereby facilitating the assembly of the pressing block and the pin shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the explosion of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the utility model;

[0022] Figure 3This is a schematic diagram of the structure of the pressing block of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the lock buckle of the utility model;

[0024] In the figure: 1. battery housing; 2. pressing block; 21. opening groove; 22. limiting circular groove; 23. avoidance groove; 3. installation cavity; 4. locking buckle; 41. guiding inclined groove; 42. through groove; 43. inclined surface; 5. pin shaft; 6. spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] See also Figure 1-4 The utility model provides the following technical solutions: an electric wheelchair battery quick-release buckle, comprising a battery housing 1, a mounting cavity 3 is provided at one end of the battery housing 1, a lock buckle 4 is slidably provided inside the mounting cavity 3, the bottom of the lock buckle 4 is connected to the bottom of the mounting cavity 3 by a spring 6, a guide inclined groove 41 is provided on the lock buckle 4, a pin shaft 5 is embedded in the guide inclined groove 41, a through groove 42 is also provided inside the lock buckle 4, a pressing block 2 is inserted into the through groove 42 and connected to the pin shaft 5.

[0028] By adopting the above technical solution, the utility model presses the pressing block 2 inward to push the pin shaft 5 to move, so that the lock buckle 4 moves downward under the action of the guiding inclined groove 41 and retracts into the interior of the installation cavity 3. After releasing the pressing block 2, the lock buckle 4 is reset upward under the action of the spring 6, and at the same time drives the pressing block 2 to reset outward. Compared with the slider type, the operation is simpler and more labor-saving, and there is no problem of slipping.

[0029] Specifically, the upper end of the lock buckle 4 is provided with an inclined surface 43, and the inclined surface 43 is arranged obliquely downward from left to right.

[0030] By adopting the above technical solution, when the battery is installed, the lock catch 4 is retracted downward under the action of the inclined surface 43, so there is no need to press the pressing block 2.

[0031] Specifically, the guiding inclined groove 41 is arranged obliquely upward from left to right.

[0032] By adopting the above technical solution, when the pin shaft 5 is pushed to the right, the lock buckle 4 can move downward.

[0033] Example 2

[0034] The present embodiment is different from the first embodiment in that: specifically, an opening groove 21 is provided on the pressing block 2 , and a limiting circular groove 22 is provided at the end of the opening groove 21 .

[0035] By adopting the above technical solution, the pin shaft 5 is limited by the limiting circular groove 22, so that the pressing block 2 and the pin shaft 5 are limited and connected, thereby realizing screwless assembly, making the assembly of the lock buckle 4 simpler.

[0036] Specifically, the upper side wall of the opening slot 21 is an upwardly inclined structure from left to right.

[0037] By adopting the above technical solution, when the pressing block 2 is assembled, it plays a guiding role for the pin 5, which facilitates the assembly of the pressing block 2 and the pin 5.

[0038] Specifically, an avoidance groove 23 communicating with the opening groove 21 is provided above the opening groove 21 .

[0039] By adopting the above technical solution, the upper wall of the opening groove 21 has a certain deformation ability, thereby facilitating the assembly of the pressing block 2 and the pin shaft 5 .

[0040] Example 3

[0041] The present embodiment is different from the first embodiment in that: specifically, the height of the through slot 42 is greater than the height of the pressing block 2 .

[0042] By adopting the above technical solution, an avoidance space is provided for the up and down movement of the lock buckle 4 to avoid interference with the pressing block 2.

[0043] Specifically, the battery housing 1 and the cavity wall of the installation cavity 3 are both provided with a slot for inserting the pressing block 2 .

[0044] By adopting the above technical solution, the pressing block 2 is inserted.

[0045] In summary, the utility model presses the pressing block 2 inwardly to push the pin shaft 5 to move, so that the lock buckle 4 moves downward under the action of the guiding inclined groove 41 and retracts into the interior of the installation cavity 3. After the pressing block 2 is released, the lock buckle 4 is reset upward under the action of the spring 6, and at the same time drives the pressing block 2 to reset outward. Compared with the slider type, the operation is simpler and more labor-saving, and there is no problem of slipping; the upper end of the lock buckle 4 of the utility model is provided with an inclined surface 43, and when the battery is installed, the lock buckle 4 is retracted downward under the action of the inclined surface 43, so that there is no need to press the pressing block 2; the pressing block 2 of the utility model is provided with an opening groove 21, and the opening groove 21 is provided. A limiting circular groove 22 is provided at the end of the opening groove 21, and the pin shaft 5 is limited by the limiting circular groove 22 to realize the limiting connection between the pressing block 2 and the pin shaft 5, thereby realizing screw-free assembly, making the assembly of the lock buckle 4 simpler; the upper side wall of the opening groove 21 of the utility model is an upward inclined structure from left to right, which plays a guiding role for the pin shaft 5 when the pressing block 2 is assembled, thereby facilitating the assembly of the pressing block 2 and the pin shaft 5; an avoidance groove 23 connected to the opening groove 21 is provided above the opening groove 21 of the utility model, so that the upper wall of the opening groove 21 has a certain deformation ability, thereby facilitating the assembly of the pressing block 2 and the pin shaft 5.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electric wheelchair battery quick-install buckle, comprising a battery housing, characterized in that: An installation cavity is provided at one end of the battery shell, and a lock is slidably provided inside the installation cavity. The bottom of the lock is connected to the bottom of the installation cavity by a spring. A guide bevel is provided on the lock, and a pin is embedded in the guide bevel. A through groove is also provided inside the lock, and a pressing block is inserted into the through groove and connected to the pin.

2. The electric wheelchair battery quick-install buckle according to claim 1, characterized in that: The upper end of the lock buckle is provided with an inclined surface.

3. The electric wheelchair battery quick-install buckle according to claim 1, characterized in that: The guide inclined groove is arranged obliquely upward.

4. The electric wheelchair battery quick-install buckle according to claim 1, characterized in that: The pressing block is provided with an open groove, and the end of the open groove is provided with a limiting circular groove.

5. The electric wheelchair battery quick-install buckle according to claim 4, characterized in that: The upper side wall of the opening groove is an upwardly inclined structure.

6. The electric wheelchair battery quick-install buckle according to claim 4, characterized in that: An avoidance groove communicating with the opening groove is arranged above the opening groove.

7. The electric wheelchair battery quick-install buckle according to claim 1, characterized in that: The height of the through slot is greater than the height of the pressing block.

8. The electric wheelchair battery quick-install buckle according to claim 1, characterized in that: The battery housing and the cavity wall of the installation cavity are both provided with a slot for inserting the pressing block.

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