CN218905274U - Power tool - Google Patents
Power tool Download PDFInfo
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- CN218905274U CN218905274U CN202223239501.4U CN202223239501U CN218905274U CN 218905274 U CN218905274 U CN 218905274U CN 202223239501 U CN202223239501 U CN 202223239501U CN 218905274 U CN218905274 U CN 218905274U
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- battery pack
- electrode
- battery package
- power tool
- accommodating cavity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a power tool, it is including having the power device that the battery package held the chamber, the battery package, work annex, and set up electrode holder and at least one elastic component in the battery package holds the intracavity, the electrode holder is at least along battery package insert battery package hold chamber direction float set up in the battery package hold the intracavity, thereby avoid the battery package to insert the battery package hold electrode slice on the electrode holder when intracavity and destroy, elastic component has been exerted to the battery package and has been made the battery package hold the thrust that the chamber removed outward, thereby make things convenient for operating personnel to hold the intracavity from the battery package and take out the battery package, elastic component and electrode holder components of a whole that can function independently set up, when power tool runs into more abominable operating mode, the battery package is at the battery when holding the intracavity vibrations from top to bottom, the electrode holder produces relative displacement along with the battery package, avoid the butt joint electrode on the battery package to produce friction with the electrode slice on the electrode holder and arouse the fire, the security performance is high.
Description
Technical Field
The present utility model relates to a power tool.
Background
Power tools, such as lawnmowers, edgers, etc., require that the battery pack be mounted in a battery pack receiving cavity for power. In the prior art, the electrode seat electrically connected with the battery pack is floatingly arranged in the battery pack accommodating cavity, and the spring is arranged on the electrode seat and is used for popping up at least part of the battery pack from the battery pack accommodating cavity when the battery pack is taken out, so that an operator can conveniently take out the battery pack from the battery pack accommodating cavity.
When the battery pack is inserted into the battery pack accommodating cavity, the battery pack is locked in the battery pack accommodating cavity through the locking mechanism, the bottom surface of the battery pack is abutted against the spring, and the floatable electrode holder is always in a pressed state under the action of the spring due to the fact that the spring is fixed on the electrode holder. When the power tool encounters a severe working condition, the battery pack vibrates up and down in the battery accommodating cavity, but the electrode seat is always fixed under the action of the spring, the butt electrode on the battery pack and the electrode sheet on the electrode seat can generate relative displacement under the vibration of the battery pack, namely, the butt electrode on the battery pack and the electrode sheet on the electrode seat can generate friction, a sparking phenomenon can be caused, and the safety performance is poor.
Disclosure of Invention
The utility model aims to provide a power tool with high safety performance.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a power tool, comprising:
the power device is provided with a shell, and at least part of the shell is surrounded to form a battery pack accommodating cavity;
the battery pack is detachably arranged in the battery pack accommodating cavity;
a work attachment attached to and driven by the power plant;
the electrode seat is arranged in the battery pack accommodating cavity and is detachably and electrically connected with the battery pack;
the electric tool further comprises at least one elastic component arranged in the battery pack accommodating cavity, and when the battery pack is installed in the battery pack accommodating cavity, the elastic component applies a pushing force for enabling the battery pack to move outwards of the battery pack accommodating cavity to the battery pack;
the electrode seat is at least arranged in the battery pack accommodating cavity in a floating mode along the direction that the battery pack is inserted into the battery pack accommodating cavity, and the elastic component and the electrode seat are arranged in a split mode.
Further, the elastic component comprises a mounting seat fixedly arranged on the shell and an elastic piece arranged on the mounting seat, and the mounting seat and the electrode seat are arranged in a split mode.
Further, a gap is formed between the mounting seat and the electrode seat, and the size of the gap is D, wherein D is more than 0mm and less than or equal to 100.0mm.
Further, two elastic components are arranged, and the two elastic components are oppositely arranged at two sides of at least part of the electrode base.
Further, the electrode seat comprises a seat body and an electrode plate which is arranged on the seat body and is electrically connected with the battery pack; the seat body is of a similar convex structure, the seat body comprises a first split body and a second split body connected with the first split body, the size of the first split body is smaller than that of the second split body, and the two elastic components are oppositely arranged on two sides of the first split body.
Further, a first limiting part used for limiting the movement of the seat body is arranged on the shell, and a second limiting part matched with the first limiting part is arranged on the seat body.
Further, one of the first limit portion and the second limit portion is a convex portion; the other one of the first limiting part and the second limiting part is a concave part matched with the convex part, and the convex part moves in the concave part to realize that the seat body floats relative to the shell.
Further, the first limiting part and the second limiting part are both provided with two, and the two first limiting parts and the two second limiting parts are respectively and oppositely arranged at two sides of the seat body.
Further, a slot is arranged on the battery pack, and the slot is in plug-in fit with the electrode plate.
Further, the power tool further comprises a locking mechanism, wherein the locking mechanism comprises a first locking piece arranged on the battery pack, a second locking piece arranged on the shell and matched with the first locking piece, a switch piece connected with the first locking piece or the second locking piece, and a reset piece connected with the switch piece, and one of the first locking piece and the second locking piece is driven to move away from the other under the action of external force so as to separate the first locking piece from the second locking piece; the return member applies a force to the switch member that causes one of the first locking member and the second locking member to be driven in a direction approaching the other.
The utility model has the beneficial effects that: the battery package of power tool holds the intracavity and is provided with electrode holder and at least one elastic component, the electrode holder is at least along the battery package insert battery package hold the intracavity direction float the setting and hold the intracavity at the battery package, thereby avoid the battery package to insert the battery package and hold the electrode slice on the electrode holder when intracavity, elastic component has exerted the thrust that makes the battery package remove outward to the battery package hold the intracavity, thereby make things convenient for operating personnel to take out the battery package from the battery package holds the intracavity, elastic component and electrode holder components of a whole that can function independently setting, when power tool runs into abominable operating mode, the battery package is at the battery hold intracavity and is vibrated from top to bottom, the electrode holder produces relative displacement along with the battery package synchronous vibration, avoid the butt joint electrode on the battery package to produce the friction with the electrode slice on the electrode holder and arouse the phenomenon of striking sparks, the security performance is high.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a part of a power tool according to an embodiment of the present utility model.
Fig. 2 is another schematic view of a part of the structure of the power tool shown in fig. 1.
Fig. 3 is an enlarged view of a portion of the power tool shown in fig. 2.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the mechanisms or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1 and 2, a power tool according to an embodiment of the present utility model includes a power device 100, a battery pack (not shown), and a work attachment (not shown). The battery pack is used for supplying power to the power device 100, the working accessory is attached to the power device 100, and under the action of the battery pack, the power device 100 drives the working accessory to work, and the working accessory can be an accessory such as a grass cutting head. The power tool is a tool such as a blowing and sucking machine, a grass trimmer, an edge trimmer, a pruning machine, a grass cutter and the like, and is not limited to the description, and the power tool can also be other tools which need battery pack power supply.
The power plant 100 has a housing 1, and a power member (not shown) disposed within the housing 1. The output shaft of the power piece protrudes out of one end of the shell 1 along the axial direction, and when the working accessory is attached to the power device 100, the working accessory is connected with the output shaft, so that the power piece drives the working accessory to execute corresponding work. In this embodiment, the power member is a driving motor.
At least part of the shell 1 is surrounded to form a battery pack accommodating cavity 2, and the battery pack is detachably arranged in the battery pack accommodating cavity 2. When the battery pack is installed in the battery pack accommodating cavity 2, the battery pack is electrically connected with the power device 100, so that the battery pack can supply power to the power device 100. When the battery pack needs to be charged or maintained, the battery pack is detached from the battery pack accommodating cavity 2, and the operation is simple.
The power tool further includes an electrode holder 3 disposed in the battery pack accommodating chamber 2 and detachably electrically connected to the battery pack. Specifically, the electrode holder 3 includes a holder body 31, and an electrode sheet 32 disposed on the holder body 31 and electrically connected to the battery pack.
The battery pack is provided with a slot which is in plug-in fit with the electrode plate 32. It is apparent that the socket on the battery pack is internally provided with the butt electrode, and when the battery pack is mounted in the battery pack accommodating chamber 2, the electrode sheet 32 on the electrode holder 3 is in contact with the butt electrode on the battery pack to realize electrical connection, thereby realizing electrical connection of the battery pack and the electric tool. It should be apparent that the insert and the slot may be replaced correspondingly, and the power device 100 may be electrically connected to the battery pack only, which is not limited herein.
The electrode holder 3 is arranged in the battery pack accommodating cavity 2 in a floating manner at least along the direction of inserting the battery pack into the battery pack accommodating cavity 2, namely, the electrode holder 3 is movably connected with the shell 1. Wherein the battery pack insertion direction is shown by arrow a in fig. 1. In this embodiment, the electrode holder 3 may be floatable along the insertion direction of the battery pack, and the electrode holder 3 may also be floatable along a direction perpendicular to the insertion direction of the battery pack. That is, the electrode holder 3 can float in the height direction, which is the direction indicated by the direction a, or in the horizontal direction. When the battery pack is inserted into the battery pack accommodating cavity 2, the electrode base 3 is arranged in the battery pack accommodating cavity 2 in a floating manner, so that the electrode plate 32 is effectively prevented from being extruded and damaged by the battery pack due to the offset of the electrode plate 32, and the electrode plate 32 is protected as much as possible.
Referring to fig. 1 to 3, a first limiting portion (not shown) for limiting movement of the base 31 is provided on the housing 1, and a second limiting portion 311 engaged with the first limiting portion is provided on the base 31. The first limiting part and the second limiting part 311 cooperate to realize that the electrode holder 3 floats in the battery pack accommodating cavity 2.
In this embodiment, one of the first limiting portion and the second limiting portion 311 is a protruding portion; the other of the first limiting portion and the second limiting portion 311 is a concave portion matched with the convex portion, and the convex portion moves in the concave portion to enable the seat body 31 to float relative to the housing 1. In this embodiment, the first limiting portion is a recess, and the recess is a groove, a concave ring, or the like. The second limiting part 311 is provided with a convex part which is a bump or a convex column. The size of the protruding portion is smaller than that of the recessed portion to realize the protruding portion moving in the height direction and the horizontal direction in the recessed portion or the like to realize the movement of the electrode holder 3 with respect to the case 1.
In other embodiments, the first limiting portion and the second limiting portion 311 may be other structures that cooperate with each other, such as elastic connection, etc., which are not illustrated herein.
The two first limiting parts and the two second limiting parts 311 are respectively arranged at two sides of the seat body 31, so that the stability of the electrode seat 3 relative to the movement of the housing 1 is improved.
In this embodiment, the seat 31 has a similar convex structure, and the seat 31 includes a first split 312 and a second split 313 connected to the first split 312, where the size of the first split 312 is smaller than the size of the second split 313. It is obvious that the first split 312 and the second split 313 are integrally formed, so that the service life of the seat 31 is prolonged.
The power tool further comprises at least one elastic component 4, the elastic component 4 is arranged in the battery pack accommodating cavity 2, and when the battery pack is installed in the battery pack accommodating cavity 2, the elastic component 4 applies thrust force for enabling the battery pack to move outwards of the battery pack accommodating cavity 2 to the battery pack, so that an operator can conveniently take out the battery pack from the battery pack accommodating cavity 2.
In this embodiment, the elastic component 4 and the electrode holder 3 are separately arranged, so that when the elastic component 4 and the electrode holder 3 are integrally arranged, the floatable electrode holder 3 is always in a compressed state under the action of the elastic component 4, and the butt electrode on the battery pack and the electrode sheet 32 on the electrode holder 3 will generate relative displacement under the vibration of the battery pack, so that the electrode holder 3 and the battery pack are synchronously floated, and the ignition phenomenon caused by friction between the butt electrode on the battery pack and the electrode sheet 32 on the electrode holder 3 is effectively avoided.
The elastic component 4 includes a mounting seat 41 fixedly arranged on the casing 1, and an elastic member 42 arranged on the mounting seat 41, wherein the mounting seat 41 and the electrode seat 3 are separately arranged, when the battery pack is inserted into the battery pack accommodating cavity 2, the bottom surface of the battery pack is abutted against the elastic member 42, and the mounting seat 41 and the electrode seat 3 are separately arranged, so that the floatable electrode seat 3 cannot be pressed by the elastic member 42 and is in a pressed state. The elastic member 42 may be a spring, a shrapnel, or the like, and is not particularly limited herein.
A gap 5 is arranged between the mounting seat 41 and the electrode seat 3, and the size of the gap 5 is D, wherein D is more than 0mm and less than or equal to 100.0mm. The specific size of the gap 5 may be set according to actual needs.
The elastic components 4 are arranged in two, and the two elastic components 4 are oppositely arranged at two sides of at least part of the electrode base 3. Specifically, two elastic members 4 are disposed opposite each other on both sides of the first split 312. A gap 5 is provided between the mounting seat 41 and the first split 312, and a gap 5 is also provided between the mounting seat 41 and the second split 313. The base 31 of the electrode base 3 has a similar convex structure, and the two elastic components 4 are relatively arranged at two sides of the first split 312, so that the layout is reasonable, and the space is saved.
In this embodiment, the mounting seat 41 and the electrode seat 3 are both disposed on the bottom of the battery pack accommodating chamber 2, and the gap 5 therebetween is small, wherein 0mm < D is less than or equal to 1.8mm, so that the structure is compact. In other embodiments, the base of the electrode holder may have other structures, such as square, and the base may be disposed at a position near the center of the bottom of the accommodating cavity of the battery pack, and the mounting base is disposed at a position near the side of the bottom of the accommodating cavity of the battery pack, where the gap between the mounting base and the electrode holder is larger, and may reach 100mm.
The power tool further comprises a locking mechanism, the battery pack and the shell 1 are locked relatively through the locking mechanism, the stability of the battery pack in the battery pack accommodating cavity 2 is improved, and the stability of electric connection between the butt electrode of the battery pack and the electrode sheet 32 of the electrode seat 3 is guaranteed.
The locking mechanism includes a first locking member provided on the battery pack, a second locking member 11 provided on the housing 1 and engaged with the first locking member, a switching member (not shown) connected to the first locking member or the second locking member 11, and a reset member (not shown) connected to the switching member.
In this embodiment, the switching member is provided on the housing 1 and connected with the second locking member 11 to simplify the structure of the battery pack. In other embodiments, the switch member may be provided on the battery pack and connected with the first locking member.
The switch piece is rotatably arranged on the shell 1, and has a locking state and an unlocking state, when the switch piece is in the locking state, the first locking piece is in locking fit with the second locking piece 11, and when the switch piece is in the unlocking state, the first locking piece is separated from the second locking piece 11.
The switching member drives one of the first locking member and the second locking member 11 to move away from the other under the action of an external force to separate the first locking member from the second locking member 11, that is, the switching member is switched from the locked state to the unlocked state. The reset member applies a force to the switch member that moves one of the first and second locking members 11 in a direction toward the other, i.e., the reset member drives the switch member from the unlocked state to the locked state, so that the battery pack and the housing 1 remain relatively locked without an external force. Under the action of external force, the switch piece is switched to an unlocking state, the first locking piece and the second locking piece 11 are driven to be separated, and under the action of the elastic component 4, the battery pack is at least partially ejected out of the battery pack accommodating cavity 2, so that the battery pack is convenient to take out by an operator.
One of the first locking member and the second locking member 11 may be a projection, and the other may be a receiving groove in which the projection is fitted. In other embodiments, the first locking member and the second locking member 11 may be other mating structures, such as a catch.
In general, the battery package of power tool holds the intracavity and is provided with electrode holder and at least one elastic component, the electrode holder is at least along the battery package insert battery package hold the intracavity direction float the setting in the battery package hold the intracavity, thereby avoid the battery package to insert the battery package hold electrode slice on the electrode holder when intracavity, elastic component is exerted to the battery package and is made the battery package hold the thrust that the intracavity removed towards the battery package, thereby make things convenient for operating personnel to take out the battery package from the battery package holds the intracavity, elastic component and electrode holder components of a whole that can function independently set up, when power tool runs into abominable operating mode, the battery package is at the battery hold intracavity when vibrations from top to bottom, the electrode holder produces relative displacement along with the battery package, avoid butt joint electrode on the battery package to produce friction with the electrode slice on the electrode holder and arouse the phenomenon of striking sparks, the security performance is high.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A power tool, comprising:
the power device is provided with a shell, and at least part of the shell is surrounded to form a battery pack accommodating cavity;
the battery pack is detachably arranged in the battery pack accommodating cavity;
a work attachment attached to and driven by the power plant;
the electrode seat is arranged in the battery pack accommodating cavity and is detachably and electrically connected with the battery pack;
the power tool is characterized by further comprising at least one elastic component arranged in the battery pack accommodating cavity, wherein when the battery pack is installed in the battery pack accommodating cavity, the elastic component applies a pushing force for enabling the battery pack to move outwards of the battery pack accommodating cavity to the battery pack;
the electrode seat is at least arranged in the battery pack accommodating cavity in a floating mode along the direction that the battery pack is inserted into the battery pack accommodating cavity, and the elastic component and the electrode seat are arranged in a split mode.
2. The power tool of claim 1, wherein the elastic assembly comprises a mounting base fixedly arranged on the housing and an elastic member arranged on the mounting base, and the mounting base and the electrode base are arranged separately.
3. The power tool of claim 2, wherein there is a gap between the mount and the electrode mount, the gap having a dimension D, wherein 0mm < D is less than or equal to 100.0mm.
4. The power tool of claim 2, wherein two of said elastic members are provided, and two of said elastic members are oppositely provided on both sides of at least part of said electrode holder.
5. The power tool of claim 4, wherein the electrode holder comprises a holder body, and an electrode tab disposed on the holder body and electrically connected to the battery pack; the seat body is of a similar convex structure, the seat body comprises a first split body and a second split body connected with the first split body, the size of the first split body is smaller than that of the second split body, and the two elastic components are oppositely arranged on two sides of the first split body.
6. The power tool of claim 5, wherein the housing is provided with a first limiting portion for limiting movement of the housing, and the housing is provided with a second limiting portion cooperating with the first limiting portion.
7. The power tool of claim 6, wherein one of the first limit portion and the second limit portion is a protrusion; the other one of the first limiting part and the second limiting part is a concave part matched with the convex part, and the convex part moves in the concave part to realize that the seat body floats relative to the shell.
8. The power tool of claim 6, wherein two of the first limiting portions and the second limiting portions are respectively provided, and the two first limiting portions and the two second limiting portions are respectively and oppositely provided at two sides of the seat body.
9. The power tool of claim 5, wherein the battery pack is provided with a slot, and the slot is in plug-in fit with the electrode plate.
10. The power tool of claim 1, further comprising a locking mechanism including a first locking member provided on the battery pack, a second locking member provided on the housing and engaged with the first locking member, a switching member connected to the first locking member or the second locking member, and a reset member connected to the switching member, the switching member driving one of the first locking member and the second locking member to move away from the other under an external force to separate the first locking member from the second locking member; the return member applies a force to the switch member that causes one of the first locking member and the second locking member to be driven in a direction approaching the other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239501.4U CN218905274U (en) | 2022-12-02 | 2022-12-02 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239501.4U CN218905274U (en) | 2022-12-02 | 2022-12-02 | Power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218905274U true CN218905274U (en) | 2023-04-25 |
Family
ID=86011755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239501.4U Active CN218905274U (en) | 2022-12-02 | 2022-12-02 | Power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218905274U (en) |
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2022
- 2022-12-02 CN CN202223239501.4U patent/CN218905274U/en active Active
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