CN217281064U

CN217281064U - Electric tool lithium battery pack containing elastic ring

Info

Publication number: CN217281064U
Application number: CN202220920382.XU
Authority: CN
Inventors: 沈雪峰; 吴海梅
Original assignee: Jiangsu Xinli Energy Technology Co ltd
Current assignee: Jiangsu Xinli Energy Technology Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-23
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses an electric tool lithium cell package containing elastic ring contains battery package casing, spacing hole has been seted up to battery package casing lower terminal surface, spacing downthehole elasticity reel ware of installing, the shape of elasticity reel ware and the shape phase-match in spacing hole, elasticity reel ware fixed connection in spacing hole, the lower terminal surface parallel and level of elasticity reel ware and battery package casing, the winding has fixed rope on the elasticity reel ware, the one end of fixed rope is connected with the support ring, battery package casing lower terminal surface seted up with support ring assorted first recess and third recess, the support ring can the joint in first recess and third recess, at least some salient in the projection of battery package casing on the horizontal plane of support ring. The utility model discloses convenient to use can prevent to a great extent that electric tool is unexpected to drop, also conveniently transfers electric tool to the low place from the eminence, can strengthen electric tool stability on the plane simultaneously.

Description

Electric tool lithium battery pack containing elastic ring

Technical Field

The utility model belongs to the technical field of the lithium cell package, concretely relates to electric tool lithium cell package that contains elastic ring.

Background

The handheld electric tool of installation lithium cell package, wherein the lower extreme at handheld electric tool is generally installed to the lithium cell package, connects through the buckle, and the plugboard on the lithium cell package is provided with and handles the contact that electric tool goes up the contact is corresponding for realize the transmission of electric energy.

Generally in the use, when needs place electric tool in the low place from the eminence, need stop present work earlier, climb from the eminence and put down electric tool to ground, very influence work efficiency, place the electric tool in-process, because of electric tool is heavier, be difficult for taking, also take place the condition that electric tool fell easily, cause electric tool to damage, place when the plane in addition, also can appear that electric tool is unstable, the condition of falling easily.

Therefore, in view of the above technical problems, it is desirable to provide a lithium battery pack for an electric power tool including an elastic ring.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric tool lithium cell package that contains elastic ring to solve foretell problem.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

a lithium battery pack of an electric tool comprises an elastic ring, and comprises a battery pack shell, wherein a limiting hole is formed in the lower end face of the battery pack shell, an elastic reel is arranged in the limiting hole, the shape of the elastic reel is matched with that of the limiting hole, the elastic reel is fixedly connected in the limiting hole, and the lower end face of the elastic reel is flush with the lower end face of the battery pack shell;

the battery pack shell comprises a battery pack shell, and is characterized in that a fixing rope is wound on the elastic reel device, one end of the fixing rope is connected with a support ring, a first groove and a third groove which are matched with the support ring are formed in the lower end face of the battery pack shell, the support ring can be clamped in the first groove and the third groove, and at least one part of the support ring protrudes out of the projection of the battery pack shell on the horizontal plane.

As a further improvement of the utility model, the support ring includes first rubber circle, first arc pole, second arc pole and second rubber circle, the inside inlaying of support ring has the elasticity rope, first rubber circle, first arc pole, second arc pole and second rubber circle pass through elasticity rope interconnect, and the elasticity rope is located the inside of first rubber circle, first arc pole, second arc pole and second rubber circle.

As a further improvement of the utility model, under the initial condition first rubber circle and second rubber circle length are less than first arc pole and second arc pole, first arc pole and second arc pole shape are the same with the specification, under the initial condition first rubber circle and second rubber circle shape are the same with the specification.

As a further improvement, the first arc rod and the second arc rod both ends are located the projected outside of battery pack case on the horizontal plane.

As a further improvement, the first rubber layer of one deck has been wrapped up in on the first arc pole, the one deck second rubber layer has been wrapped up in on the second arc pole, first arc pole is through first rubber layer interference fit joint on first recess, and the second arc pole passes through second rubber layer interference fit joint on the third recess.

As a further improvement, the second recess has been seted up to the lower terminal surface of battery package casing, the second recess is located between spacing hole and the third recess, and the inside accessible second recess intercommunication of the inside in spacing hole and third recess.

As a further improvement, the battery pack shell is provided with a plug board and a buckle.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses convenient to use, elastic ring device is convenient for realize the protection to electric tool through the lithium cell package, can prevent to a great extent that electric tool is unexpected to drop, also makes things convenient for to transfer electric tool to the low place from the eminence, can strengthen electric tool's stability on the plane simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lithium battery pack for an electric tool including an elastic ring according to an embodiment of the present invention;

fig. 2 is an exploded view of a lithium battery pack for an electric tool including an elastic ring according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a first usage state of a lithium battery pack for an electric tool including an elastic ring according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a second usage state of a lithium battery pack for an electric tool including an elastic ring according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating a variation of the support ring according to an embodiment of the present invention.

In the figure: 1. the battery pack comprises a battery pack shell, 2 parts of a plug board, 3 parts of a buckle, 4 parts of a support ring, 401 parts of a first rubber ring, 402 parts of a first arc-shaped rod, 403 parts of a second arc-shaped rod, 404 parts of a second rubber ring, 405 parts of a first rubber layer, 406 parts of a second rubber layer, 407 parts of an elastic rope, 500 parts of an elastic reel device, 501 parts of a fixing rope, 6 parts of a first groove, 7 parts of a limiting hole, 8 parts of a second groove, and 9 parts of a third groove.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

An embodiment of the utility model discloses an electric tool lithium cell package containing elastic ring, it is shown with reference to fig. 1, battery package casing 1 upper end is equipped with buckle 3 for with electric tool's combination, play fixed electric tool's effect, have on the plugboard 2 and connect battery package casing 1 with the corresponding contact of electric tool contact, realize power transmission, it is fixed through buckle 3's installation, can carry out the power supply to electric tool.

Referring to fig. 2, a limiting hole 7 is formed in the lower end surface of the battery pack case 1, an elastic reel 500 is installed in the limiting hole 7, the shape of the elastic reel 500 is matched with the shape of the limiting hole 7, and the elastic reel 500 is fixedly connected in the limiting hole 7 and can play a role of an elastic reel.

Specifically, the lower end surface of the elastic reel 500 is flush with the lower end surface of the battery pack case 1, so that the flatness and stability of the lower end surface of the battery pack case 1 can be ensured.

Referring to fig. 2 and fig. 4, a fixing rope 501 is wound around the elastic reel 500, the fixing rope 501 can be pulled out from the elastic reel 500 and can also automatically rebound and reset, the structure principle of the elastic reel 500 is similar to that of a conventional steel tape, and the elastic reel 500 comprises a rotary spring, a ratchet wheel, a reel and the like.

The fixing rope 501 is made of an elastically contractible material, can be extended to a great extent, and has a wider application range.

Referring to fig. 2 to 3, a second groove 8 is formed in the lower end surface of the battery pack case 1, the second groove 8 is located between the limiting hole 7 and the third groove 9, and the inside of the limiting hole 7 and the inside of the third groove 9 can be communicated through the second groove 8.

Fixed rope 501's one end and support ring 4 fixed connection, fixed rope 501 is located second recess 8, and fixed rope 501 runs through second recess 8 promptly and is connected with support ring 4, and second recess 8 has the limiting displacement to fixed rope 501 for supplementary fixed rope 501 is difficult in disorder.

Referring to fig. 2 to 5, one end of the fixing rope 501 is connected to the support ring 4, the lower end surface of the battery pack case 1 is provided with a first groove 6 and a third groove 9 which are matched with the support ring 4, the support ring 4 can be clamped in the first groove 6 and the third groove 9, and when the support ring 4 is completely clamped in the first groove 6 and the third groove 9, the lower end surface of the support ring 4 is flush with the lower end surface of the battery pack case 1.

Referring to fig. 2, preferably, the support ring 4 comprises a first rubber ring 401, a first arc-shaped rod 402, a second arc-shaped rod 403 and a second rubber ring 404, an elastic rope 407 is embedded in the support ring 4, the first rubber ring 401, the first arc-shaped rod 402, the second arc-shaped rod 403 and the second rubber ring 404 are connected with each other through the elastic rope 407, and the elastic rope 407 is located in the first rubber ring 401, the first arc-shaped rod 402, the second arc-shaped rod 403 and the second rubber ring 404.

Referring to fig. 2 to 5, in an initial state, the lengths of the first rubber ring 401 and the second rubber ring 404 are smaller than the lengths of the first arc-shaped rod 402 and the second arc-shaped rod 403, the initial state is a state under the condition that the two ends of the first rubber ring 401, the first arc-shaped rod 402, the second arc-shaped rod 403 and the second rubber ring 404 are not stressed, the shape and the specification of the first arc-shaped rod 402 and the second arc-shaped rod 403 are the same, the shape and the specification of the first rubber ring 401 and the specification of the second rubber ring 404 are the same in the initial state, the first rubber ring 401, the second rubber ring 404 and the elastic rope 407 have a telescopic function, the elastic rope 407 matches with the stretching of the second rubber ring 404 and the first rubber ring 401 under the action of force of the second rubber ring 404 and stretches in a cutting step, the first rubber ring 401, the first rubber ring 402, the second arc-shaped rod 403 and the second rubber ring 404 are tightly connected, the length of the support ring 4 is enlarged to the greatest extent, the support ring 4 is sleeved on the wrist in the using process, and the limitation of the fatness and thinness of the user is avoided to the maximum extent.

The first arc-shaped rod 402 is wrapped with a first rubber layer 405, the second arc-shaped rod 403 is wrapped with a second rubber layer 406, the first arc-shaped rod 402 is connected to the first groove 6 through the first rubber layer 405 in an interference fit manner, the second arc-shaped rod 403 is connected to the third groove 9 through the second rubber layer 406 in an interference fit manner, the first arc-shaped rod 402 and the second arc-shaped rod 403 are stably connected to the first groove 6 and the third groove 9, the stable connection between the support ring 4 and the battery pack shell 1 is enhanced, the first rubber layer 405 and the second rubber layer 406 are made of rubber, the texture is soft, the comfort level is high, and the support ring 4 can be worn on the wrist of a user to improve the comfort level of the user.

Referring to fig. 3, first arc pole 402 and second arc pole 403 both ends all are located battery pack case 1 in the projected outside on the horizontal plane, can realize increasing the effect of electric tool stability, keep electric tool's stationarity, install the utility model discloses an electric tool is difficult for falling down.

During the use, as shown in figure 3, when normally putting or taking in, the support ring 4 can be placed in the battery pack shell 1 through the first groove 6 and the third groove 9, so that the stability of the electric tool during placement is improved.

Referring to fig. 4 to 5, in use, the support ring 4 can be taken down from the first groove 6 and the third groove 9 and sleeved on the wrist, the support ring 4 can be enlarged according to the needs of the user, so as to be conveniently sleeved on the wrist, after the sleeve connection is completed, the support ring 4 can be automatically tightened, the battery pack case 1 can be connected and protected under the action of the elastic reel 500 and the fixing rope 501, the electric tool can be prevented from being broken due to accidental falling in the use process, and the occurrence of safety accidents can be greatly reduced.

Referring to fig. 4, when the electric tool needs to be placed at a low position from a high position, the support ring 4 can be taken down from the first groove 6 and the third groove 9 and sleeved on the wrist, the support ring 4 is connected with the battery pack housing 1 through the fixing rope 501, the electric tool is slowly put down from the high position, the fixing rope 501 can slowly extend out along with the descending of the electric tool until the electric tool reaches a placing point or is close to the placing point, and meanwhile, the electric tool can be safely transferred by a worker in an environment with a large height difference.

When the power tool is stopped, the power tool is slowly lowered from a high position, the fixing string 501 is slowly extended along with the lowering of the power tool until the power tool reaches the setting point or approaches the setting point, and then the support ring 4 is taken out.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

the utility model discloses simple structure, convenient to use, through the lithium cell package elastic ring device realize transferring to the low department from the eminence electric tool, just can realize placing electric tool in the below in the original place, need not follow the eminence and climb down to ground and put down electric tool, furthest prevents that electric tool from placing the in-process and dropping, strengthens electric tool stability on the plane, improves work efficiency.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A lithium battery pack of an electric tool comprising an elastic ring comprises a battery pack shell and is characterized in that a limiting hole is formed in the lower end face of the battery pack shell, an elastic reel is installed in the limiting hole, the shape of the elastic reel is matched with that of the limiting hole, the elastic reel is fixedly connected in the limiting hole, and the lower end face of the elastic reel is flush with the lower end face of the battery pack shell;

the battery pack comprises an elastic reel device and is characterized in that a fixing rope is wound on the elastic reel device, one end of the fixing rope is connected with a support ring, a first groove and a third groove which are matched with the support ring are formed in the lower end face of a battery pack shell, the support ring can be clamped in the first groove and the third groove, and at least one part of the support ring protrudes out of the projection of the battery pack shell on the horizontal plane.

2. The electric tool lithium battery pack containing the elastic ring as claimed in claim 1, wherein the support ring comprises a first rubber ring, a first arc-shaped rod, a second arc-shaped rod and a second rubber ring, an elastic rope is embedded inside the support ring, the first rubber ring, the first arc-shaped rod, the second arc-shaped rod and the second rubber ring are connected with each other through the elastic rope, and the elastic rope is located inside the first rubber ring, the first arc-shaped rod, the second arc-shaped rod and the second rubber ring.

3. The lithium battery pack for electric tools comprising an elastic ring according to claim 2, wherein the first rubber ring and the second rubber ring are shorter than the first arc-shaped rod and the second arc-shaped rod in length in the initial state, the first arc-shaped rod and the second arc-shaped rod are the same in shape and size, and the first rubber ring and the second rubber ring are the same in shape and size in the initial state.

4. The lithium battery pack for electric tools comprising the elastic ring as recited in claim 2 or 3, wherein the first arc-shaped rod and the second arc-shaped rod are both located outside the projection of the battery pack shell on the horizontal plane.

5. The lithium battery pack for electric tools of claim 3, wherein the first curved bar is wrapped with a first rubber layer, the second curved bar is wrapped with a second rubber layer, the first curved bar is locked in the first groove by interference fit of the first rubber layer, and the second curved bar is locked in the third groove by interference fit of the second rubber layer.

6. The lithium battery pack for the electric tool comprising the elastic ring as recited in claim 1, wherein a second groove is formed on a lower end surface of the battery pack case, the second groove is located between the limiting hole and the third groove, and the inside of the limiting hole and the inside of the third groove can be communicated through the second groove.

7. The lithium battery pack for electric tools comprising an elastic ring as claimed in claim 1, wherein the battery pack case is provided with a plug board and a buckle.