Quick self-locking and unlocking mechanism and electric tool applying same

Abstract

The utility model relates to a rapid self-locking and unlocking mechanism and an electric tool applying the same. The quick self-locking and unlocking mechanism comprises at least one group of positioning assemblies and at least one group of locking assemblies; the positioning assembly comprises a positioning block and a positioning buckle; the positioning block is arranged on the first combination surface / the second combination surface, and the positioning buckle is arranged on the second combination surface / the first combination surface; a positioning groove for embedding the positioning block is laterally formed in the positioning buckle; the locking assembly comprises a buckle and a clamping seat, the buckle is rotationally arranged on the first combination surface / the second combination surface or the side part of the first combination surface / the second combination surface through a rotating shaft, and the clamping seat is arranged on the second combination surface / the first combination surface; the buckle comprises a clamping hook arranged at one end of the buckle, and the clamping seat comprises a clamping groove matched with the buckle. The electric tool comprises a main body, and the battery pack is connected with the quick self-locking and unlocking mechanism. The device is simple in structure, convenient and fast to use and low in cost.

Description

Technical Field

[0001] The utility model relates to a connection structure, in particular to a rapid self-locking and unlocking mechanism and an electric tool using the same. Background Art

[0002] For products with split designs or that need to be combined, the commonly used methods of connection and fixation are mainly plastic card slots and external metal clips. For example, the common way to connect the battery pack of a power tool to the main body is mostly a plastic card slot, which has a relatively complex structure, many accessories, and many installation steps. The metal clip solution is relatively simple, using standard parts to install on the outside of the body, and has a reliable structure, but this method is cumbersome to operate during use and has a certain impact on the appearance. Summary of the invention

[0003] The utility model aims to provide a quick self-locking and unlocking mechanism which has a simple structure, is easy to assemble and does not affect the appearance of the product.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A quick self-locking and unlocking mechanism, used for connecting a first assembly and a second assembly, wherein the first assembly has a first assembly surface facing the second assembly, and the second assembly has a second assembly surface facing the first assembly, and the quick self-locking and unlocking mechanism comprises at least one set of positioning components and at least one set of locking components;

[0006] The positioning assembly includes a positioning block and a positioning buckle; the positioning block is arranged on the first combination surface and the positioning buckle is arranged on the second combination surface, or the positioning buckle is arranged on the first combination surface and the positioning block is arranged on the second combination surface; a positioning groove for the positioning block to be embedded is opened laterally on the positioning buckle;

[0007] The locking assembly includes a buckle and a socket, the buckle is rotatably arranged on the first combination surface or on the side of the first combination surface through a rotating shaft and the socket is arranged on the second combination surface, or the socket is arranged on the first combination surface and the buckle is rotatably arranged on the second combination surface or on the side of the second combination surface through a rotating shaft; the buckle includes a hook arranged at one end thereof, and the socket includes a slot matching the buckle.

[0008] The positioning buckle includes a positioning portion with the positioning groove opened laterally and a fixing portion arranged at both ends of the positioning portion, the fixing portion is connected to the first combination surface or the second combination surface, and a gap is formed between the positioning portion and the first combination surface or the second combination surface.

[0009] The fixing portion is connected to the first combination surface or the second combination surface through bolts.

[0010] The positioning groove includes a groove portion and a groove bottom, the groove portion has a first end and a second end, the groove bottom is connected to the second end of the groove portion, and the width of the groove portion gradually decreases from the first end to the second end.

[0011] The groove bottom has an arc-shaped groove bottom surface.

[0012] The positioning block includes a connecting portion connected to the first combination surface or the second combination surface, and a limiting portion connected to the connecting portion. When the positioning block is connected to the positioning buckle, the connecting portion slides into the positioning groove, and the limiting portion slides into the gap.

[0013] One end of the buckle forms the hook, and the other end of the buckle forms a pressing portion. The hook and the pressing portion are respectively located at two sides of the rotating shaft.

[0014] A return spring is arranged between the hook and the first assembly or the second assembly.

[0015] The clamping seat comprises a clamping portion matched with the clamping hook and mounting portions arranged at two ends of the clamping portion, and the mounting portions are connected to the first combination surface or the second combination surface.

[0016] The utility model also provides an electric tool with a simple structure and convenient installation, and the scheme is:

[0017] An electric tool comprises a main body and a battery pack, wherein the main body and the battery pack are connected via the aforementioned quick self-locking and unlocking mechanism.

[0018] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art: the utility model has a simple structure, is convenient and quick to use, and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Attached Figure 1 It is a schematic structural diagram of the top surface direction of the lower battery pack of the electric tool of the present invention.

[0020] Attached Figure 2 It is a structural schematic diagram of the bottom surface direction of the upper body of the electric tool of the present invention.

[0021] Attached Figure 3 It is a structural schematic diagram of a group of locking components in the rapid self-locking and unlocking mechanism of the utility model.

[0022] Attached Figure 4It is a structural schematic diagram of a group of positioning components in the rapid self-locking and unlocking mechanism of the utility model.

[0023] Attached Figure 5 This is a schematic diagram of the installation process of the electric tool of the present utility model.

[0024] Attached Figure 6 It is an assembly schematic diagram of the positioning component of the electric tool of the utility model during the installation process.

[0025] Attached Figure 7 This is a schematic diagram of the electric tool of the utility model after installation.

[0026] In the above figures: 1. first assembly / main body; 2. second assembly / battery pack; 3. positioning buckle; 4. positioning block; 5. buckle; 6. socket. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0028] Embodiment 1: As shown in the attached Figure 1 To Attachment Figure 4 As shown, the device that needs to be assembled and used includes a first assembly 1 and a second assembly 2, and the first assembly 1 and the second assembly 2 can be quickly assembled and installed or separated, wherein the first assembly 1 has a first assembly surface facing the second assembly 2, and the second assembly 2 has a second assembly surface facing the first assembly 1.

[0029] A rapid self-locking and unlocking mechanism for connecting a first assembly 1 and a second assembly 2 comprises at least one set of positioning components and at least one set of locking components.

[0030] The positioning assembly includes a positioning block 4 and a positioning buckle 3. The positioning block 4 is arranged on the first assembly surface and the positioning buckle 3 is arranged on the second assembly surface, or the positioning buckle 3 is arranged on the first assembly surface and the positioning block 4 is arranged on the second assembly surface, that is, the positions of the positioning block 4 and the positioning buckle 3 can be interchanged as needed. A positioning groove for the positioning block 4 to be embedded in the positioning buckle 3 is provided laterally, and when the positioning block 4 is embedded in the positioning groove, the positioning connection between the first assembly 1 and the second assembly 2 can be achieved.

[0031] The positioning buckle 3 can be made by bending a plate. The positioning buckle 3 includes a positioning portion with a positioning groove on the side and a fixing portion arranged at both ends of the positioning portion. The fixing portion is connected to the first combination surface or the second combination surface, and a gap is formed between the positioning portion and the first combination surface or the second combination surface. The fixing portion can be connected to the first combination surface or the second combination surface by bolts or other components. The positioning groove includes a notch portion and a groove bottom. The notch portion has a first end and a second end, the groove bottom is connected to the second end of the notch portion, the width of the notch portion gradually decreases from its first end to the second end, and the groove bottom has an arc-shaped groove bottom surface. The positioning block 4 includes a connecting portion and a limiting portion, the connecting portion is connected to the first combination surface or the second combination surface, and the limiting portion is connected to the connecting portion, so that the positioning block 4 protrudes from the first combination surface or the second combination surface where it is located. When the positioning block 4 is connected to the positioning buckle 3, the connecting portion slides into the positioning groove, and the limiting portion slides into the gap.

[0032] The locking assembly includes a buckle 5 and a base 6. The buckle 5 is arranged on the first assembly 1 and the base 6 is arranged on the second assembly 2, or the base 6 is arranged on the first assembly 1 and the buckle 5 is arranged on the second assembly 2, that is, the positions of the buckle 5 and the base 6 can be interchanged as needed. The buckle 5 is rotatably arranged on the first assembly surface or the side of the first assembly surface through a rotating shaft, and the base 6 is arranged on the second assembly surface, or the base 6 is arranged on the first assembly surface and the buckle 5 is rotatably arranged on the second assembly surface or the side of the second assembly surface through a rotating shaft. The buckle 5 includes a hook arranged at one end thereof, and the base 6 includes a slot matched with the buckle 5. The hook can be arranged along the direction perpendicular to the first assembly surface and the second assembly surface in its length direction, one end of the buckle 5 forms a hook, and the other end of the buckle 5 forms a pressing part, and the hook and the pressing part are respectively located on both sides of the rotating shaft. A return spring is arranged between the hook and the first assembly 1 or the second assembly 2 where it is located. The clamping seat 6 includes a clamping portion formed with a clamping groove and matched with the clamping hook, and mounting portions arranged at both ends of the clamping portion. The mounting portions can be connected to the first combination surface or the second combination surface by bolts or other components.

[0033] As attached Figure 1 To Attachment Figure 4 As shown, an electric tool or small household appliance includes a main body 1 and a battery pack 2 to be assembled and installed, the main body 1 corresponds to the first assembly 1, and the battery pack 2 corresponds to the second assembly 2. Usually, the battery pack 2 is installed below the main body 1. The main body 1 and the battery pack 2 are connected by the aforementioned quick self-locking and unlocking mechanism, the lower surface of the main body 1 forms the first assembly surface, and the upper surface of the battery pack 2 forms the second assembly surface.

[0034] The quick self-locking and unlocking mechanism used between the main body 1 and the battery pack 2 includes two sets of positioning components and one set of locking components. The two sets of positioning components are arranged at the front end of the main body 1 and the battery pack 2, corresponding to the attached Figure 1 and attached Figure 2A set of locking components is arranged at the front end of the main body 1 and the battery pack 2, corresponding to the attached Figure 1 and attached Figure 2 on the left side of the .

[0035] The positioning buckle 3 in the positioning assembly is arranged on the lower surface of the main body 1 and is formed by bending a plate. It includes a positioning portion with a positioning groove opened on the side and a fixing portion arranged at both ends of the positioning portion. The fixing portion is connected to the lower surface of the main body 1, and a gap is formed between the positioning portion and the first combination surface or the second combination surface. A positioning groove with a bell-shaped mouth is opened on the positioning portion along the front-to-back direction of the main body 1. The positioning block 4 in the positioning assembly is arranged on the upper surface of the battery pack 2, and a positioning bolt is used. The screw of the positioning bolt corresponds to the connecting portion, and the head of the positioning bolt corresponds to the limiting portion. The diameter of the limiting portion is larger than the diameter of the connecting portion, and the diameter of the connecting portion matches the width of the bottom of the positioning groove.

[0036] The buckle 5 in the locking assembly is arranged on the side of the lower surface of the main body 1, and the lower end thereof forms a hook and the upper end forms a pressing portion. A torsion spring is installed on the rotating shaft as a return spring or a spring is arranged between the pressing portion and the side of the battery pack 2 as a return spring. The hook can be made of plastic. There is an inclined surface on the hook. The card seat 6 in the locking assembly is arranged on the upper surface of the battery pack 2, and the card slot formed by the engaging portion has another inclined surface corresponding to the inclined surface of the hook.

[0037] As attached Figure 5 To Attachment Figure 7 As shown in the figure, the process of assembling the main body 1 and the battery pack 2 is as follows: the user first moves the main body 1 to the top of the battery pack 2, tilts the main body 1 slightly forward, aligns the positioning buckle 3 at the bottom of the main body 1 with the positioning bolt, and then slides the main body 1 backward to guide the positioning bolt into the bottom of the groove through the oblique opening of the notch of the positioning groove. When the positioning bolt is fixed in place, directly press the tail of the main body 1 downward to make the buckle 5 and the holder 6 engage with each other. At this point, the two parts of the main body 1 and the battery pack 2 can be stably buckled.

[0038] When the main body 1 and the battery pack 2 need to be separated, the pressing part of the buckle 5 only needs to be pressed, the tail of the main body 1 is lifted, and the main body 1 is moved forward to quickly separate the two.

[0039] The above solution can achieve a new solution for fixing split products through simple structural parts and common standard parts. The solution is low-cost, simple to install, convenient and quick to use, reducing the cost of the product and improving the convenience of use. This solution is more convenient than the common metal buckle 5 solution, fast to install and disassemble, and can be easily operated with one hand, reducing the tediousness of the operator when using it and increasing the efficiency of tool use.

[0040] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A quick self-locking and unlocking mechanism, used to connect a first assembly and a second assembly, wherein the first assembly has a first assembly surface facing the second assembly, and the second assembly has a second assembly surface facing the first assembly, characterized in that: The rapid self-locking and unlocking mechanism comprises at least one set of positioning components and at least one set of locking components; The positioning assembly includes a positioning block and a positioning buckle; the positioning block is arranged on the first combination surface and the positioning buckle is arranged on the second combination surface, or the positioning buckle is arranged on the first combination surface and the positioning block is arranged on the second combination surface; a positioning groove for the positioning block to be embedded is opened laterally on the positioning buckle; The locking assembly includes a buckle and a socket, the buckle is rotatably arranged on the first combination surface or on the side of the first combination surface through a rotating shaft and the socket is arranged on the second combination surface, or the socket is arranged on the first combination surface and the buckle is rotatably arranged on the second combination surface or on the side of the second combination surface through a rotating shaft; the buckle includes a hook arranged at one end thereof, and the socket includes a slot matching the buckle.

2. The rapid self-locking and unlocking mechanism according to claim 1, characterized in that: The positioning buckle includes a positioning portion with the positioning groove opened laterally and a fixing portion arranged at both ends of the positioning portion, the fixing portion is connected to the first combination surface or the second combination surface, and a gap is formed between the positioning portion and the first combination surface or the second combination surface.

3. The rapid self-locking and unlocking mechanism according to claim 2, characterized in that: The fixing portion is connected to the first combination surface or the second combination surface through bolts.

4. The rapid self-locking and unlocking mechanism according to claim 2, characterized in that: The positioning groove includes a groove portion and a groove bottom, the groove portion has a first end and a second end, the groove bottom is connected to the second end of the groove portion, and the width of the groove portion gradually decreases from the first end to the second end.

5. The rapid self-locking and unlocking mechanism according to claim 4, characterized in that: The groove bottom has an arc-shaped groove bottom surface.

6. The rapid self-locking and unlocking mechanism according to claim 2, characterized in that: The positioning block includes a connecting portion connected to the first combination surface or the second combination surface, and a limiting portion connected to the connecting portion. When the positioning block is connected to the positioning buckle, the connecting portion slides into the positioning groove, and the limiting portion slides into the gap.

7. The rapid self-locking and unlocking mechanism according to claim 1, characterized in that: One end of the buckle forms the hook, and the other end of the buckle forms a pressing portion. The hook and the pressing portion are respectively located at two sides of the rotating shaft.

8. The rapid self-locking and unlocking mechanism according to claim 7, characterized in that: A return spring is arranged between the hook and the first assembly or the second assembly.

9. The rapid self-locking and unlocking mechanism according to claim 1, characterized in that: The clamping seat comprises a clamping portion matched with the clamping hook and mounting portions arranged at two ends of the clamping portion, and the mounting portions are connected to the first combination surface or the second combination surface.

10. An electric tool, comprising a main body and a battery pack, characterized in that: The main body and the battery pack are connected via a quick self-locking and unlocking mechanism as described in any one of claims 1 to 9.

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