CN217426989U

CN217426989U - Battery pack elastic lock catch mounting structure

Info

Publication number: CN217426989U
Application number: CN202220909307.3U
Authority: CN
Inventors: 周肃虎; 唐碧异; 黄苗青
Original assignee: Zhejiang Jinshun Intelligent Equipment Co ltd
Current assignee: Zhejiang Jinshun Intelligent Equipment Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-13
Anticipated expiration: 2032-04-19

Abstract

An elastic lock catch mounting structure of a battery pack comprises a shell, a battery pack bracket, a lock catch and a spring; the shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are detachably connected and jointly define an inner cavity; the battery pack comprises a battery pack support, a spring, a lock catch, a shell and a battery pack, wherein the lock catch penetrates through the shell, one part of the lock catch extends into an inner cavity, the battery pack support and the spring are respectively arranged in the inner cavity, and the top and the bottom of the spring respectively abut against the lock catch and the battery pack support; the top wall internal surface of going up the casing is equipped with downwardly extending's a pair of bulge, and the top surface of a pair of bulge is seted up respectively with the protruding matched with guide way of direction, and a pair of guide bulge inserts respectively in a pair of guide way. The utility model discloses enable the elastic lock catch and can remove steadily pressing the in-process, can not slide.

Description

Battery pack elastic lock catch mounting structure

Technical Field

The utility model relates to a battery package.

Background

Some power tools are often provided with a removable battery pack. A common detachable connection structure between a battery pack and an electric tool is to provide an elastic latch on the battery pack, and provide a lock hole on the electric tool, where the lock hole is matched with a lock tongue of the elastic latch. When the spring bolt card of elasticity hasp goes into in the lockhole, can realize battery package and electric tool's high-speed joint, press the splenium of pressing of elasticity hasp, make the quick separation between them can be realized to the electric tool lockhole that breaks away from of elasticity hasp to the quick installation and the dismantlement of battery package have been made things convenient for.

The phenomenon that the existing elastic lock catch structure shakes easily in the downward pressing process causes that the movement of the elastic lock catch is not stable enough and the use hand feeling of a user is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem that a battery package elasticity hasp mounting structure is provided, it makes the elasticity hasp can remove steadily pressing down and the in-process that resets, can not slide.

The utility model provides a battery pack elastic lock catch mounting structure, which comprises a shell, a battery pack bracket, a lock catch and a spring; the shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are detachably connected and jointly define an inner cavity; the battery pack support and the spring are arranged in the inner cavity respectively, and the top and the bottom of the spring are respectively abutted against the lock catch and the battery pack support; the roof internal surface of going up the casing is equipped with downwardly extending's a pair of bulge, and the top surface of a pair of bulge is seted up respectively with the protruding matched with guide way of direction, and a pair of guide protrusion inserts respectively in a pair of guide way.

In the elastic latch mounting structure of the battery pack, the latch is provided with a pair of pins extending downwards, the pair of pins are respectively positioned at the left side and the right side of the rear end of the latch opposite to each other, and the rear side surface of each pin is provided with a convex rib extending along the height direction; the ribs of the pair of pins abut against the inner surface of the rear side wall of the upper housing.

In the elastic lock catch mounting structure of the battery pack, the lower shell is provided with a pair of insertion holes and a pair of limiting parts which are respectively matched with the pair of pins, and the pair of limiting parts are respectively positioned in the upper front of the pair of insertion holes; the bottom of participating in respectively stretches into in a pair of jack, and the leading flank of participating in supports respectively to lean on a pair of spacing portion.

The utility model discloses at least, have following advantage:

1. in the battery pack elastic lock catch mounting structure provided by the embodiment of the utility model, a pair of guide bulges arranged at the left side and the right side of the lock catch can be arranged in a pair of guide grooves positioned on the upper shell in a vertically sliding manner, thereby playing the role of guiding and limiting, enabling the elastic lock catch to stably move in the pressing and resetting processes without sliding, and avoiding the clamping stagnation phenomenon in the movement process of the lock catch;

2. the cooperation between the back lateral wall of protruding muscle and last casing can further prevent the hasp and rock towards the back reciprocating the in-process, and the cooperation between a pair of participating in and a pair of spacing portion can further prevent the hasp and rock towards reciprocating the in-process forward to can ensure that the motion of hasp is more steady.

Drawings

Fig. 1 shows a schematic diagram of the appearance of a battery pack adopting the elastic locking installation structure of the battery pack of the embodiment of the invention.

Fig. 2 shows a schematic cross-sectional view of a battery pack elastic locking structure according to an embodiment of the present invention.

Fig. 3 and 4 show a perspective view of the lock catch according to an embodiment of the present invention from different angles, respectively.

Fig. 5 is a schematic view illustrating the engagement between the lock catch and the upper housing according to the embodiment of the present invention.

Fig. 6 and 7 show the matching schematic diagram of the lock catch and the lower housing according to the embodiment of the present invention from different angles, respectively.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Please refer to fig. 1 to 7. According to the utility model discloses battery package elasticity hasp mounting structure, including casing 1, battery package support 2, hasp 3 and spring 4.

The housing 1 includes an upper housing 1a and a lower housing 1b, and the upper housing 1a and the lower housing 1b are detachably connected by a plurality of screws and jointly define an inner cavity 10. The latch 3 passes through the housing 1 with a portion of the latch 3 extending into the internal cavity 10. Battery pack support 2 and spring 4 set up in inner chamber 10 respectively, and the top and the bottom of spring 4 support respectively and lean on hasp 3 and battery pack support 2.

The latch 3 is provided with a pair of guide projections 31 extending in the height direction, and the pair of guide projections 31 are provided on the left and right sides of the latch 3, respectively. The inner surface of the top wall 101 of the upper case 1a is provided with a pair of protrusions 11 extending downward, the top surfaces of the pair of protrusions 11 are respectively provided with guide grooves 111 engaged with the guide protrusions, the pair of guide protrusions 31 are respectively inserted into the pair of guide grooves 111, and the pair of guide protrusions 31 are movable in the height direction of the pair of guide grooves 111.

In the present embodiment, the latch 3 is provided with a pair of pins 33 extending downward, the pair of pins 33 are located opposite to each other on the left and right sides of the rear end of the latch 3, respectively, and the rear side surface of each pin 33 is provided with a rib 331 extending in the height direction, and the ribs 331 of the pair of pins 33 abut against the inner surface of the rear side wall 102 of the upper case 1 a. The contact area of the convex ribs is small, and clamping stagnation in the movement process can be effectively avoided.

In the present embodiment, the lower case 1b is provided with a pair of insertion holes 13 to which the pair of pins 33 are respectively fitted and a pair of stopper portions 15, and the pair of stopper portions 15 are respectively located at the upper front of the pair of insertion holes 13. The bottom ends of the pair of pins 33 are respectively located above the pair of insertion holes 13, and the front side surfaces of the pair of pins 33 respectively abut against the pair of limiting parts 15. During the downward movement of the latch 3, the bottom ends of the pair of pins 33 extend into the pair of insertion holes 13.

In this embodiment, the buckle 3 includes a pressing portion 3a and a latch portion 3 b. The lock tongue portion 3b is L-shaped, one end of the transverse edge portion 35 of the L-shaped lock tongue portion 3b is connected with the pressing portion 3a, the other end of the transverse edge portion 35 of the L-shaped lock tongue portion 3b is connected with the bottom end of the vertical edge portion 36 of the L-shaped lock tongue portion 3b, and the top end of the vertical edge portion 36 of the L-shaped lock tongue portion extends out of the top wall 101 of the upper shell 1a and is used for being in clamping fit with a lock hole of an external electric tool. A part of the pressing portion 3a is located outside the inner cavity 10 of the housing 1 for the user to perform a pressing operation. The aforementioned pair of guide projections 31 and the pair of pins 33 are connected to the pressing portion 3a, and the top and bottom of the spring 4 abut against the pressing portion 3a and the battery pack holder 2, respectively.

Further, the bottom of the pressing portion 3a of the latch 3 is provided with an annular spring guide cylinder 37, and the top end of the spring 4 extends into the spring guide cylinder 37 and abuts against the pressing portion of the latch 3. The top surface of battery package support 2 is equipped with spring location post 25, and spring location post 25 stretches into the bottom of spring 4.

The cooperation of foretell guide bulge 31 and guide way 111 plays the effect of main location, and the cooperation between foretell protruding muscle 331 and the back lateral wall 102 of last casing 1a, and the cooperation between a pair of participating in 33 and a pair of spacing portion 15 all play the effect of assistance-localization real-time, thereby can ensure that hasp 3 is receiving to press down the in-process that moves and is reset by spring 4 after the external force cancels, can both move along the vertical direction all the time, can not rock, make the user obtain good operation feel, and avoid appearing the jamming phenomenon in the motion process.

Further, in the present embodiment, the number of the springs 4 is two, and the two springs can stabilize the movement process of the latch 3.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An elastic lock catch mounting structure of a battery pack comprises a shell, a battery pack bracket, a lock catch and a spring; the shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are detachably connected and jointly define an inner cavity; the battery pack support and the spring are respectively arranged in the inner cavity, and the top and the bottom of the spring are respectively abutted against the lock catch and the battery pack support;

the inner surface of the top wall of the upper shell is provided with a pair of protruding parts extending downwards, the top surfaces of the protruding parts are respectively provided with a guide groove matched with the guide protrusions, and the guide protrusions are respectively inserted into the guide grooves.

2. The elastic lock catch mounting structure of claim 1, wherein the lock catch is provided with a pair of pins extending downward, the pins being located opposite to each other on the left and right sides of the rear end of the lock catch, respectively, and the rear side surface of each pin being provided with a rib extending in the height direction; the ribs of the pair of pins abut against the inner surface of the rear side wall of the upper housing.

3. The battery pack elastic latch mounting structure of claim 2, wherein the lower case is provided with a pair of insertion holes to be respectively engaged with the pair of pins and a pair of stopper portions to be respectively positioned at upper front portions of the pair of insertion holes;

the bottom ends of the pair of pins are respectively positioned above the pair of jacks, and the front side surfaces of the pair of pins respectively abut against the pair of limiting parts; and in the process that the lock catch is pressed to move downwards, the bottom ends of the pair of plug pins respectively extend into the pair of jack holes.

4. The battery pack elastic latch mounting structure of claim 1, wherein the latch includes a pressing portion and a latch tongue portion; the lock tongue is L-shaped, one end of the transverse edge of the L-shaped lock tongue is connected with the pressing part, the other end of the transverse edge of the L-shaped lock tongue is connected with the bottom end of the vertical edge of the L-shaped lock tongue, and the top end of the vertical edge of the L-shaped lock tongue extends out of the top wall of the upper shell; a part of the pressing part is positioned outside the inner cavity of the shell;

the pair of guide protrusions and the pair of pins are connected with the pressing portion, and the top and the bottom of the spring are respectively abutted against the pressing portion and the battery pack support.

5. The battery pack elastic latch mounting structure of claim 4, wherein the bottom of the latch is provided with an annular spring guide barrel, and the top end of the spring extends into the spring guide barrel and abuts against the latch;

the top surface of the battery pack support is provided with a spring positioning column, and the spring positioning column extends into the bottom end of the spring.

6. The battery pack snap-lock mounting structure of claim 1, 4 or 5, wherein the number of the springs is two.