Electric tool lithium battery pack with protection structure

Abstract

The utility model relates to the technical field of battery packs, in particular to an electric tool lithium battery pack with a protection structure, which comprises a lithium battery pack, a protection mechanism is arranged on the lithium battery pack and is used for protection, a supporting mechanism is arranged on the lithium battery pack and is used for supporting, and the protection mechanism comprises a main body assembly and a protection mechanism, comprising mounting bases mounted at the left end and the right end of a lithium battery pack, spring pieces mounted on the two sides in the mounting bases, pressing plates slidably mounted at the outer ends in the mounting bases, and guide rods fixed to the two sides of the outer ends of the pressing plates; when the matching assembly is subjected to external impact, the mounting plate is pushed through the protective shell, the mounting plate drives the pressing plate to extrude the spring piece through the guide rod, external impact force is absorbed and dispersed through the spring piece, and damage caused when the lithium battery pack is collided is reduced; when the electric tool carrying the lithium battery pack is directly placed on the horizontal plane and the lithium battery pack is in contact with the horizontal plane, the lithium battery pack is supported by the supporting seat at the lower end of the baffle, so that the stability during placement is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack technical field, concretely is a kind of electric tool lithium battery pack with protection structure. BACKGROUND

[0002] There are many hand-held electric tools with lithium battery pack in prior art, wherein the lithium battery pack is generally installed at the lower end of the hand-held electric tool, connected through a plug-in board, the plug-in board on the lithium battery pack is provided with a contact head corresponding to the contact on the hand-held electric tool, for realizing the transmission of electric energy;

[0003] According to the search with the publication number: CN217956008U, a kind of electric tool lithium battery pack with waterproof function is disclosed, which discloses "a kind of electric tool lithium battery pack with waterproof function, including battery pack shell, the battery pack shell includes battery pack upper shell and battery pack lower shell, the battery pack upper shell and battery pack lower shell fixedly connected, the battery pack shell connects elastic waterproof sleeve assembly, the battery pack shell and elastic waterproof sleeve assembly between connection have bolt, the battery pack shell one pair of opposite side walls are all set with screw hole, the elastic waterproof sleeve assembly one pair of opposite side walls are all set with the limiting hole matched with screw hole, a pair of the screw hole are all threadedly connected bolt, a pair of the bolt passes through limiting hole and screw hole, waterproof elastic tightening band inner wall four quarters end face are all fixedly connected with multiple fixed blocks" and other technical solutions, with "protecting between electric tool and lithium battery pack by elastic waterproof sleeve assembly, realizing that moisture is not easy to enter, simple structure, convenient to use, high waterproof performance" and other technical effects;

[0004] In the present technical application category, when lithium battery pack is used in combination with electric tool, the significant problem is the insufficient stability of lithium battery pack;Specifically, once the user directly places the electric tool with lithium battery pack on the horizontal plane, the electric tool is prone to imbalance and tipping due to the lack of stable design support, causing the bumping of lithium battery pack. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of electric tool lithium battery pack with protection structure, with the characteristics that when the cooperating assembly is impacted from outside, the installation plate is pushed by the protective shell, the installation plate drives the pressing plate to extrude the spring sheet through guide rod, the spring sheet absorbs and disperses the impact force from outside, reduces the damage caused by bumping of lithium battery pack;When the electric tool with lithium battery pack is directly placed on the horizontal plane, when the lithium battery pack contacts the horizontal plane, and is supported by the support seat at the lower end of the baffle, thereby improving the stability when placing.

[0006] To achieve the above object, the utility model discloses a kind of electric tool lithium battery pack with protective structure, including lithium battery pack, the lithium battery pack is provided with protection mechanism and is used to protect, the lithium battery pack is provided with supporting mechanism and is used to support, protection mechanism includes:

[0007] Main body component, including the mounting seat of being installed in lithium battery pack left and right two ends, the spring leaf of being installed in the inside two sides of mounting seat, the pressing plate of being slidably installed in the inside outer end of mounting seat, the guide rod of being fixed in the outside two sides of pressing plate, and guide rod is slidably installed with the outer end of mounting seat and penetrates, the mounting plate of being fixed between the outside two sides of two side guide rods;

[0008] Matching component, including the protective shell of being installed in the outside end of mounting plate, the round hole of being set in the inside two sides of protective shell.

[0009] Preferably, the supporting mechanism includes:

[0010] Fixed component, including the mounting frame of being installed in lithium battery pack front and back two ends, the screw hole of being fixed in the inside of mounting frame;

[0011] Execution component, including the baffle of being installed in the outside end of mounting frame.

[0012] Preferably, the execution component further includes the support seat of being fixed in the lower end of baffle, and the non-slip mat of being fixed in the bottom of support seat.

[0013] Preferably, the fixed component further includes the mounting hole of being fixed in the four corners of the inner wall of mounting frame, and mounting frame is fixed on lithium battery pack through mounting hole cooperation screw.

[0014] Preferably, the main body component further includes the two convex rods of being fixed in the inside two sides of mounting seat, and convex rod is in spring leaf.

[0015] Preferably, the main body component further includes the mounting ear of being fixed in the four corners of the outer wall of mounting seat, and mounting seat is fixed on lithium battery pack through mounting ear cooperation screw.

[0016] Beneficial effects

[0017] The utility model provides a kind of electric tool lithium battery pack with protective structure.Compared with prior art, it has the following beneficial effects:

[0018] (1) when matching component is impacted from outside, mounting plate is pushed by protective shell, and mounting plate drives pressing plate to extrude spring leaf by guide rod, and spring leaf absorbs and disperses impact force from outside, reduce the damage caused when bumping lithium battery pack.

[0019] (2) When the electric tool with lithium battery pack is directly placed on the horizontal plane, when the lithium battery pack contacts the horizontal plane, and is supported through the support seat of the baffle lower end, so as to improve the stability when placing; and the front and rear ends of the lithium battery pack are protected through the execution assembly. BRIEF DESCRIPTION OF DRAWINGS

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

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

[0022] Figure 3 It is a split diagram of the protection mechanism in the utility model;

[0023] Figure 4 It is an internal structure schematic diagram of the main body assembly in the utility model;

[0024] Figure 5 It is a split diagram of the support mechanism in the utility model.

[0025] In the drawing: 1, lithium battery pack; 2, protection mechanism; 21, main body assembly; 211, mounting seat; 212, spring piece; 213, pressing plate; 214, guide rod; 215, mounting plate; 216, protruding rod; 217, mounting lug; 22, cooperation assembly; 221, protection shell; 222, round hole; 3, support mechanism; 31, fixed assembly; 311, mounting frame; 312, screw hole; 313, mounting hole; 32, execution assembly; 321, baffle; 322, support seat; 323, non-slip pad. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a kind of electric tool lithium battery pack with protection structure technical scheme: a kind of electric tool lithium battery pack with protection structure, including lithium battery pack 1, lithium battery pack 1 is provided with protection mechanism 2 and is used to protect, lithium battery pack 1 is provided with support mechanism 3 and is used to support, protection mechanism 2 includes:

[0028] The main body assembly 21 comprises a mounting seat 211 mounted on the left and right ends of the lithium battery pack 1, spring sheets 212 mounted on both sides inside the mounting seat 211, a pressing plate 213 slidingly mounted inside the mounting seat 211, guide rods 214 fixed on both sides of the outer end of the pressing plate 213, and the mounting plate 215 fixed between the outer ends of the guide rods 214.

[0029] The matching assembly 22 comprises a protective shell 221 mounted on the outer end of the mounting plate 215, and circular holes 222 formed on both sides inside the protective shell 221.

[0030] In this embodiment, when the matching assembly 22 is subjected to external impact, the mounting plate 215 is pushed by the protective shell 221, the pressing plate 213 is driven by the guide rods 214 to extrude the spring sheets 212, and the spring sheets 212 absorb and disperse the impact force from the outside, thereby reducing the damage caused by knocking the lithium battery pack 1.

[0031] Specifically, the supporting mechanism 3 comprises:

[0032] The fixing assembly 31 comprises a mounting bracket 311 mounted on the front and rear ends of the lithium battery pack 1, and threaded holes 312 fixed inside the mounting bracket 311.

[0033] The execution assembly 32 comprises a baffle 321 mounted on the outer end of the mounting bracket 311.

[0034] In this embodiment, the front and rear ends of the lithium battery pack 1 can be protected by the execution assembly 32.

[0035] Specifically, the execution assembly 32 further comprises a support seat 322 fixed on the lower end of the baffle 321, and an anti-slip pad 323 fixed on the bottom of the support seat 322.

[0036] In this embodiment, when the electric tool carrying the lithium battery pack 1 is directly placed on the horizontal surface, when the lithium battery pack 1 contacts the horizontal surface, and is supported by the support seat 322 at the lower end of the baffle 321, the stability during placement is improved.

[0037] Specifically, the fixing assembly 31 further comprises mounting holes 313 fixed on the four corners of the inner wall of the mounting bracket 311, and the mounting bracket 311 is fixed on the lithium battery pack 1 by cooperating with screws through the mounting holes 313.

[0038] Specifically, the main body assembly 21 further comprises two convex rods 216 fixed on both sides inside the mounting seat 211, and the convex rods 216 are located in the spring sheets 212.

[0039] In this embodiment, the spring sheets 212 inside the mounting seat 211 can be limited by the convex rods 216, so as to avoid position deviation during the extension and contraction of the spring sheets 212.

[0040] Specifically, the main body assembly 21 further comprises mounting ears 217 fixed at four corners of the outer wall of the mounting seat 211, and the mounting seat 211 is fixed on the lithium battery pack 1 through the mounting ears 217 and screws.

[0041] The working principle and use process of the utility model are as follows: firstly, when the matching assembly 22 is impacted by external impact, the mounting plate 215 is pushed through the protective shell 221, the pressing plate 213 is driven to extrude the spring sheet 212 through the guide rod 214, the spring sheet 212 absorbs and disperses the impact force from the outside, and the damage caused by the bumping of the lithium battery pack 1 is reduced; and when the electric tool carrying the lithium battery pack 1 is directly placed on the horizontal plane, the lithium battery pack 1 contacts the horizontal plane and is supported through the support seat 322 at the lower end of the baffle 321, so that the stability during placement is improved; at the same time, the front and rear ends of the lithium battery pack 1 are protected through the executing assembly 32.

[0042] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lithium battery pack for power tools with a protective structure, comprising a lithium battery pack (1), characterized in that: The lithium battery pack (1) is provided with a protective mechanism (2) for protection, and the lithium battery pack (1) is provided with a support mechanism (3) for support. The protective mechanism (2) includes: The main component (21) includes mounting bases (211) installed at the left and right ends of the lithium battery pack (1), spring plates (212) installed on both sides inside the mounting base (211), pressure plate (213) slidably installed on the outer end inside the mounting base (211), guide rods (214) fixed on both sides of the outer end of the pressure plate (213), and the guide rods (214) are slidably installed through the outer end of the mounting base (211), and mounting plate (215) fixed between the outer ends of the two guide rods (214); The component (22) includes a protective shell (221) installed on the outer end of the mounting plate (215), and round holes (222) are opened on both sides inside the protective shell (221).

2. The power tool lithium battery pack with a protective structure according to claim 1, characterized in that: The support mechanism (3) includes: The fixing component (31) includes a mounting bracket (311) installed at the front and rear ends of the lithium battery pack (1), and a threaded hole (312) fixed inside the mounting bracket (311); The execution component (32) includes a baffle (321) mounted on the outer end of the mounting bracket (311).

3. A lithium battery pack for power tools with a protective structure according to claim 2, characterized in that: The execution component (32) also includes a support base (322) fixed to the lower end of the baffle (321), and an anti-slip pad (323) fixed to the bottom of the support base (322).

4. A lithium battery pack for power tools with a protective structure according to claim 2, characterized in that: The fixing component (31) also includes mounting holes (313) fixed at the four corners of the inner wall of the mounting bracket (311), and the mounting bracket (311) is fixed to the lithium battery pack (1) through the mounting holes (313) and screws.

5. A lithium battery pack for power tools with a protective structure according to claim 1, characterized in that: The main component (21) also includes two protruding rods (216) fixed inside both sides of the mounting base (211), and the protruding rods (216) are located in the spring sheet (212).

6. A lithium battery pack for power tools with a protective structure according to claim 1, characterized in that: The main component (21) also includes mounting ears (217) fixed at the four corners of the outer wall of the mounting base (211), and the mounting base (211) is fixed to the lithium battery pack (1) by the mounting ears (217) and screws.

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