CN217983575U - A detachable lithium cell package for electric tool - Google Patents
A detachable lithium cell package for electric tool Download PDFInfo
- Publication number
- CN217983575U CN217983575U CN202220647625.7U CN202220647625U CN217983575U CN 217983575 U CN217983575 U CN 217983575U CN 202220647625 U CN202220647625 U CN 202220647625U CN 217983575 U CN217983575 U CN 217983575U
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- connecting piece
- battery pack
- lithium cell
- contact
- cell package
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Abstract
The utility model discloses a detachable lithium cell package for electric tool, including lithium cell package body and connecting piece, be provided with the second contact on the lithium cell package body, be provided with on the connecting piece with second contact assorted first contact, be provided with the electricity connection seat on the connecting piece, electricity connection seat, first contact and second contact can be electric connection in proper order, set up threaded hole on the lithium cell package body, set up on the connecting piece with screw hole assorted fixed orifices, screw hole female connection has the bolt, the bolt runs through the fixed orifices, the bolt can be with connecting piece fixed connection on lithium cell package body. The utility model discloses divide into two parts of lithium cell package main part and connecting piece with the lithium cell package, with bolt fixed connection, when connecting piece or lithium cell package body appear damaging, only need change connecting piece or lithium cell package body that damage, the dimension is protected with low costsly.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell package, concretely relates to detachable lithium cell package for electric tool.
Background
The electric tool of no power cord is usually supplied power by chargeable conventional lithium cell package such as electronic screw rifle, electric drill, and conventional lithium cell package generally can be followed electric tool and dismantled, among the prior art, the lithium cell package includes electrical connection seat and buckle, and electrical connection seat adorns on the electric tool base, is fixed by the buckle, realizes the power supply.
If electric tool is in more complicated operational environment in daily use, for example the condition such as striking, the condition such as bad contact or unable fixed is caused to the fragile of lithium cell package electricity connection seat and electric tool base junction, in case damage or the trouble appears in the electricity connection seat of lithium cell package, just need change whole lithium cell package, and the maintenance is with high costs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a detachable lithium cell package for electric tool to solve foretell problem.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a detachable lithium battery pack for an electric tool comprises a lithium battery pack body and a connecting piece, wherein a second contact is arranged on the connecting piece, a first contact matched with the second contact is arranged on a first sealing ring, an electric connecting seat is arranged on the connecting piece, the electric connecting seat, the first contact and the second contact can be electrically connected in sequence,
the lithium battery pack is characterized in that the lithium battery pack body is provided with a threaded hole, the connecting piece is provided with a fixing hole matched with the threaded hole, the threaded hole is internally connected with a bolt, the bolt penetrates through the fixing hole, and the bolt can fixedly connect the connecting piece to the lithium battery pack body.
As a further improvement of the present invention, the connecting member is fixedly connected with a first sealing ring.
As a further improvement, the lithium battery pack body is fixedly connected with a second sealing ring matched with the first sealing ring.
As a further improvement, the first contact protrusion is arranged on the lower end face of the connecting piece, and the second contact protrusion is arranged on the upper end face of the lithium battery pack body.
As a further improvement, the connecting piece is provided with an observation hole matched with the bolt, and the hole wall of the observation hole is provided with a plurality of indicating lines.
As a further improvement of the utility model, a buckle is installed on the connecting piece.
As a further improvement of the utility model, the upper end of the bolt is provided with a locking groove.
As a further improvement of the utility model, the height of bolt is not more than the height sum of fixed orifices and screw hole.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a be divided into two detachable structures with lithium cell package body and connecting piece, when lithium cell package and electric tool base junction damaged, only need change the connecting piece of lithium cell package can, or when lithium cell package body damaged, also only need change lithium cell package body, need not whole changes, be convenient for reduce the dimension and protect the cost.
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 cross-sectional view of a detachable lithium battery pack for an electric tool in a normal use state according to an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a detachable lithium battery pack for an electric tool according to an embodiment of the present invention when a first contact and a second contact are in contact;
fig. 3 is a schematic structural diagram of a detachable lithium battery pack for an electric tool in a normal use state according to an embodiment of the present invention;
fig. 4 is an exploded view of a removable lithium battery pack for a power tool according to an embodiment of the present invention;
fig. 5 is an exploded view of a detachable lithium battery pack for an electric tool according to an embodiment of the present invention.
In the figure: 1. the lithium battery pack comprises a lithium battery pack body, 2 parts of a first sealing ring, 3 parts of a second sealing ring, 4 parts of a connecting piece, 5 parts of a bolt, 501 parts of a locking groove, 6 parts of a buckle, 7 parts of an electric connecting seat, 8 parts of a first contact, 9 parts of a fixing hole, 10 parts of a threaded hole, 11 parts of a second contact, 12 parts of an indicating line and 13 parts of an observation hole.
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.
The utility model relates to a detachable lithium cell package for electric tool that an embodiment discloses, it is shown with reference to fig. 3, including lithium cell package body 1 and connecting piece 4, be provided with second contact 11 on the lithium cell package body 1, install a plurality of electric cores in the lithium cell package body 1, still install necessary charge-discharge electrical component simultaneously, can realize charging and discharging through second contact 11, for conventional technical scheme, do not give unnecessary details here.
Referring to fig. 1 to 4, a first contact 8 matched with a second contact 11 is arranged on the connecting member 4, an electrical connection socket 7 is arranged on the connecting member 4, and the electrical connection socket 7, the first contact 8 and the second contact 11 can be electrically connected in sequence.
Specifically, the electric connection seat 7 is electrically connected with the first contact 8, the electric connection seat 7 is of a conventional electric connection seat structure, and can be electrically connected through a wire or other conductors arranged in the connecting piece 4, and when the first contact 8 is in contact with the second contact 11, the electric connection seat is mounted on the electric tool, so that power supply to the electric tool can be realized.
Referring to fig. 2, first contact 8 protrusion in the lower terminal surface of connecting piece 4, second contact 11 protrusion in the up end of lithium cell package body 1, when lithium cell package body 1 and connecting piece 4 are fixed, gapped between the lower terminal surface of connecting piece 4 and the up end of lithium cell package body 1, can realize the contact cooperation of priority of first contact 8 and second contact 11, can make first contact 8 inseparabler with the contact of second contact 11 like this, the electric connection effect is better.
Referring to fig. 3 to 4, a threaded hole 10 is formed in the lithium battery pack body 1, a fixing hole 9 matched with the threaded hole 10 is formed in the connecting piece 4, a bolt 5 is connected to the threaded hole 10 in an internal thread manner, the bolt 5 penetrates through the fixing hole 9, and the connecting piece 4 can be fixedly connected to the lithium battery pack body 1 through the bolt 5.
The upper end of the bolt 5 is provided with a locking groove 501, and the bolt 5 can be conveniently screwed or dismounted by using a straight screwdriver or other tools through the locking groove 501.
Optionally, the inner wall of the fixing hole 9 is provided with an internal thread matched with the bolt 5, as shown in fig. 1 to 2, the lithium battery pack body 1 and the connecting member 4 can be tightly and stably fixed by tightening the bolt 5.
Referring to fig. 1, the connecting member 4 is provided with an observation hole 13 matched with the bolt 5, the hole wall of the observation hole 13 is provided with a plurality of indicating lines 12, and the indicating lines 12 are concave rings which are uniformly distributed up and down, so that the tightness of the bolt 5 can be seen more visually.
Specifically, when the bolt 5 completely fixes the lithium battery pack body 1 and the connecting member 4, as shown in fig. 2, the upper end surface of the bolt 5 is flush with the lowermost indication line 12, and when the bolt 5 is loose, the upper end surface of the bolt 5 is higher than the lowermost indication line 12, that is, when the upper end surface of the bolt 5 is higher than the lowermost indication line 12, it can be determined that the bolt 5 is loose, and the bolt 5 needs to be maintained or screwed in time.
Referring to fig. 1, the height of the bolt 5 is not greater than the sum of the heights of the fixing hole 9 and the threaded hole 10, so that the lower end of the bolt 5 is away from the lower bottom surface of the threaded hole 10 by a certain distance, the lower end of the bolt 5 is not in contact with the lower bottom surface of the threaded hole 10, and the lithium battery pack body 1 and the connecting piece 4 can be fixed more firmly through the bolt 5.
Referring to fig. 1-2, a first sealing ring 2 is fixedly connected to a connecting member 4, the first sealing ring 2 is an elastic sealing ring with height and thickness, and specifically can be made of rubber or silica gel, so that a device similar to a protective cover can be formed with the lower end surface of the connecting member 4, and when the lithium battery pack body 1 is fixedly connected with the connecting member 4, the first sealing ring 2 can form protection between the lithium battery pack body 1 and the connecting member 4, so that a certain dustproof and waterproof effect is achieved.
Referring to fig. 1 to 2, the lithium battery pack body 1 is fixedly connected with a second sealing ring 3 matched with the first sealing ring 2, preferably, the second sealing ring 3 is shorter than the first sealing ring 2, so that the material is saved, and the appearance is high. When lithium cell package body 1 and connecting piece 4 are fixed, second sealing washer 3 can closely laminate first sealing washer 2, can play better guard action.
Referring to fig. 1, a buckle 6 is mounted on the connecting member 4, and the buckle 6 is a conventional structure of a lithium battery pack and mainly plays a role in fixing the electric tool base and the connecting member 4.
During the use, refer to fig. 1-5 and show, with bolt 5 with lithium cell package body 1 and 4 fixed connection of connecting piece, can regard as normal lithium cell package to install on the electric tool base, for the electric tool power supply, when lithium cell package body 1 or connecting piece 4 appear damaging, refer to fig. 4-5 and show, not hard up bolt 5, split lithium cell package body 1 and connecting piece 4, lithium cell package body 1 or connecting piece 4 that will damage are changed, lithium cell package body 1 or connecting piece for 4 bolt 5 fixed connection that will change, can regard as normal lithium cell package to install on the electric tool base, for the electric tool power supply.
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:
the utility model discloses a divide into two parts of lithium cell package main part and connecting piece with the lithium cell package, with bolted connection, when connecting piece and electric tool junction damaged, only need change the connecting piece, when the lithium cell package main part damaged, only need change lithium cell package main part, need not whole changes, the maintenance is with low costs.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (8)
1. A detachable lithium battery pack for an electric tool is characterized by comprising a lithium battery pack body and a connecting piece, wherein a second contact is arranged on the lithium battery pack body, a first contact matched with the second contact is arranged on the connecting piece, an electric connecting seat is arranged on the connecting piece, the electric connecting seat, the first contact and the second contact can be electrically connected in sequence,
the lithium battery pack is characterized in that the lithium battery pack body is provided with a threaded hole, the connecting piece is provided with a fixing hole matched with the threaded hole, the threaded hole is internally connected with a bolt, the bolt penetrates through the fixing hole, and the bolt can fixedly connect the connecting piece to the lithium battery pack body.
2. The detachable lithium battery pack for the power tool as claimed in claim 1, wherein the first sealing ring is fixedly connected to the connecting member.
3. The detachable lithium battery pack for the electric tool as claimed in claim 1, wherein a second sealing ring matched with the first sealing ring is fixedly connected to the lithium battery pack body.
4. The detachable lithium battery pack for the power tool as claimed in claim 1, wherein the first contact protrudes from a lower end surface of the connecting member, and the second contact protrudes from an upper end surface of the lithium battery pack body.
5. The detachable lithium battery pack for the electric tool as claimed in claim 1, wherein the connecting member is provided with an observation hole matched with the bolt, and a plurality of indication lines are provided on a wall of the observation hole.
6. The detachable lithium battery pack for the power tool as claimed in claim 1, wherein the connecting member is provided with a buckle.
7. The detachable lithium battery pack for the electric tool as claimed in claim 1, wherein the bolt has a locking groove formed at an upper end thereof.
8. The detachable lithium battery pack for a power tool as claimed in claim 1, wherein the height of the bolt is not greater than the sum of the heights of the fixing hole and the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647625.7U CN217983575U (en) | 2022-03-23 | 2022-03-23 | A detachable lithium cell package for electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647625.7U CN217983575U (en) | 2022-03-23 | 2022-03-23 | A detachable lithium cell package for electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217983575U true CN217983575U (en) | 2022-12-06 |
Family
ID=84253336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220647625.7U Active CN217983575U (en) | 2022-03-23 | 2022-03-23 | A detachable lithium cell package for electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217983575U (en) |
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2022
- 2022-03-23 CN CN202220647625.7U patent/CN217983575U/en active Active
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