CN220279503U

CN220279503U - Lithium electric wrench with damping function

Info

Publication number: CN220279503U
Application number: CN202321996286.4U
Authority: CN
Inventors: 李华特; 龙啸; 刘思清; 吴潘浩
Original assignee: Zhejiang Deshuo Technology Co ltd
Current assignee: Zhejiang Deshuo Technology Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-02
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a lithium electric wrench with a damping function, which comprises a machine body for outputting power and a handle for holding, wherein the machine body comprises a machine shell connected to one end of the handle, the machine shell and the handle are two mutually independent parts, one end of the handle is connected with the machine shell through a fastener, an elastic damping part is arranged between the handle and the machine shell, a first connecting part for connecting the elastic damping part is arranged on the handle, a second connecting part corresponding to the first connecting part is arranged on the machine shell, the elastic damping part is respectively connected with the first connecting part and the second connecting part, so that the elastic damping part is supported between the machine shell and the handle for damping, when the machine works, vibration of the machine shell is transmitted to the elastic damping part, and then transmitted to the handle after passing through the elastic damping part, so that vibration impact on an operator, a controller in the handle and a battery pack on the handle is reduced, and the service life of related parts is improved.

Description

Lithium electric wrench with damping function

Technical Field

The utility model relates to a lithium battery wrench, in particular to a lithium battery wrench with a damping function.

Background

The traditional disassembling or installing screws, bolts or nuts are manually operated, so that the working efficiency is low, the labor intensity is high, and the requirements of installation and maintenance can not be met far. However, with the development of society, the assembly of screws, bolts or nuts is also proceeding toward mechanization, and an electric wrench is an electric tool for disassembling or tightening screws, bolts or nuts.

For example, a rechargeable electric wrench disclosed in CN203077178U comprises a battery pack, a speed regulating switch, a forward and reverse rotation push button, a shell, a motor, a middle cover, a transmission mechanism, a head shell, an impact mechanism and an output shaft, wherein the shell comprises a main shell and a handle, the handle and the main shell are integrally formed, the battery pack is detachably mounted at the lower end of the handle, the head shell is connected at the front end of the main shell to form a cavity for mounting a power output device such as the motor, the transmission mechanism and the impact mechanism, the speed regulating switch is mounted on the handle for control, and a controller is arranged in the handle.

The current lithium electric large torque impact wrench has the following problems: from market feedback, because the impact force of the large button force wrench is relatively large, because the handle is integrated with the main shell, an operator holds the lithium battery wrench for a long time to operate, machine vibration influences the experience degree of the operator, and meanwhile, vibration influences the service life of machine parts in the handle or a battery pack mounted on the handle.

Disclosure of Invention

Based on the fact that the handle and the main shell are integrated, an operator holds the lithium battery wrench for a long time to operate, machine vibration affects the experience of the operator, and meanwhile vibration affects service life of machine parts in the handle or a battery pack mounted on the handle.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a lithium electricity spanner with shock-absorbing function, includes the organism that is used for outputting power and is used for holding the handle, and the organism is including connecting the casing in handle one end, its characterized in that, casing and handle are two mutually independent parts, link together through the fastener between handle one end and the casing, be equipped with the elasticity damping member between handle and the casing, be equipped with the first connecting portion that are used for connecting the elasticity damping member on the handle, be equipped with the second connecting portion that corresponds first connecting portion on the casing, the elasticity damping member is connected with first connecting portion and second connecting portion respectively to make the elasticity damping member support be used for the shock attenuation between casing and handle.

The further preferable technical scheme of the utility model is as follows: the connecting lug is fixed on the shell and inserted into the first end of the handle, the first end of the handle is provided with an opening for the connecting lug to be inserted, the two sides of the connecting lug are respectively provided with a second connecting part used for being connected with the elastic shock absorbing piece, and the inner walls of the handle at the two sides of the connecting lug are respectively provided with a first connecting part corresponding to the second connecting parts at the two sides.

The further preferable technical scheme of the utility model is as follows: the first connecting part is a splicing groove arranged on the handle, the elastic shock absorbing piece is spliced in the splicing groove, and the shape of the splicing groove is matched with the shape of the elastic shock absorbing piece.

The further preferable technical scheme of the utility model is as follows: the second connecting portion is a connecting column, the elastic shock absorbing piece is provided with a plug hole, and the elastic shock absorbing piece is sleeved on the outer side of the connecting column through the plug hole.

The further preferable technical scheme of the utility model is as follows: the elastic shock absorber is inserted into the inserting groove and supported on the inner groove wall of the inserting groove, and the thickness of the elastic shock absorber is larger than the depth of the inserting groove.

The further preferable technical scheme of the utility model is as follows: the depth of the plug hole is larger than the length of the connecting column.

The further preferable technical scheme of the utility model is as follows: the machine shell is provided with a first connecting hole, the handle is provided with a second connecting hole corresponding to the first connecting hole, and the fastening piece penetrates through the first connecting hole and the second connecting hole to connect the machine shell and the handle together.

The further preferable technical scheme of the utility model is as follows: the first connecting hole is arranged on the connecting convex block.

The further preferable technical scheme of the utility model is as follows: the handle is in non-contact connection with the machine shell, the soft leather pad is coated on the handle, and the soft leather pad extends out of the end edge of the first end of the handle, which is used for being connected with the machine shell, so as to be attached to the machine shell.

The further preferable technical scheme of the utility model is as follows: the handle comprises a left half shell and a right half shell which are detachably connected, the second connecting hole comprises a threaded hole formed in the left half shell and a screw hole formed in the right half shell, the fastening piece is a screw, and the screw penetrates through the screw hole to be connected with the threaded hole.

Compared with the prior art, the utility model has the advantages that the elastic damping piece is arranged between the handle and the machine shell, the first connecting part for connecting the elastic damping piece is arranged on the handle, the second connecting part corresponding to the first connecting part is arranged on the machine shell, and the elastic damping piece is respectively connected with the first connecting part and the second connecting part, so that the elastic damping piece is supported between the machine shell and the handle for damping.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a second schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model with the soft leather pad removed;

FIG. 4 is an exploded view of the components of the present utility model;

FIG. 5 is a view showing the internal structure of the grip;

FIG. 6 is a schematic cut-away view of the present utility model.

In the figure: 1. a housing; 2. a grip; 3. a battery pack; 4. a control switch; 5. soft leather pad; 6. a connection bump; 7. a first connection hole; 8. a connecting column; 9. an elastic shock absorbing member; 10. a controller; 11. a left half shell; 12. a right half shell; 13. a foot is unfolded; 14. screw holes; 15. a second post; 16. a first post; 17. a plug-in groove; 18. and (3) a threaded hole.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

As shown in fig. 1 to 6, the lithium battery wrench with a shock absorbing function comprises a body for outputting power and a grip 2 for gripping.

The machine body comprises a machine shell 1 connected with one end of a handle 2 and a power output device arranged in the machine shell 1. The power output device is the same as the existing lithium battery wrench.

The casing 1 and the handle 2 are two mutually independent parts, and the first end of the handle 2 is connected with the casing 1 through a fastener. The handle 2 is connected to the bottom of the casing 1, and the upper end of the handle 2 is connected with the casing 1 as a first end.

As shown in fig. 4 to 6, preferably, the casing 1 is provided with a first connecting hole 7, the grip 2 is provided with a second connecting hole corresponding to the first connecting hole 7, and the fastener passes through the first connecting hole 7 and the second connecting hole to connect the casing 1 and the grip 2 together.

The handle 2 comprises a left half shell 11 and a right half shell 12 which are detachably connected, the second connecting hole comprises a threaded hole 18 formed in the left half shell 11 and a screw hole 14 formed in the right half shell 12, the fastener is a screw, when the left half shell 11 and the right half shell 12 are detachably connected together, the screw passes through the screw hole 14 to be connected with the threaded hole 18, the screw passes through the first connecting hole 7, and the upper end of the handle 2 is connected with the casing 1 when the screw passes through the screw hole 14 to be connected with the threaded hole 18. The left half shell 11 and the right half shell 12 are fixed by screw connection.

Specifically, the inner wall of the left half shell 11 opposite to the first connecting hole 7 is provided with a first inserting column 16, the threaded hole 18 is formed on the end surface of the first inserting column 16, the inner wall of the right half shell 12 opposite to the first connecting hole 7 is provided with a second inserting column 15, the screw hole 14 penetrates through the second inserting column 15 along the axis, when the left half shell 11 and the right half shell 12 are connected together, the first inserting column 16 and the second inserting column 15 are respectively inserted into the first connecting hole 7 from two side openings of the first connecting hole 7, the end surface of the first inserting column 16 is abutted with the end surface of the second inserting column 15, so that the screw hole 14 is abutted with the threaded hole 18, when the first inserting column 16 and the second inserting column 15 are connected with the threaded hole 18 in a threaded way, a gap is formed between the inner walls of the first inserting column 16 and the second inserting column 15 and the first connecting hole 7, and the first inserting column 16 and the second inserting column 15 are not contacted with the first connecting hole 7, and vibration of the machine shell 1 is prevented from being transmitted to the handle 2 from the first inserting column 16 and the second inserting column 15.

As shown in fig. 6, an elastic shock absorbing member 9 is disposed between the handle 2 and the housing 1, a first connecting portion for connecting the elastic shock absorbing member 9 is disposed on the handle 2, a second connecting portion corresponding to the first connecting portion is disposed on the housing 1, and the elastic shock absorbing member 9 is connected with the first connecting portion and the second connecting portion, respectively, so that the elastic shock absorbing member 9 is supported between the housing 1 and the handle 2 for shock absorption.

Preferably, the elastic damper 9 is a rubber damper block.

Preferably, the casing 1 is fixed with a connection lug 6, the connection lug 6 is inserted into the upper end of the grip 2, the upper end of the grip 2 is provided with an opening for inserting the connection lug 6, and the first connection hole 7 is arranged on the connection lug 6.

The two sides of the connecting lug 6 are respectively provided with a second connecting part used for being connected with the elastic shock absorbing piece 9, the inner wall of the handle 2 at the two sides of the connecting lug 6 is provided with a first connecting part corresponding to the second connecting parts at the two sides respectively, namely, the left half shell 11 and the right half shell 12 at the two sides of the connecting lug 6 are respectively provided with a first connecting part corresponding to the second connecting parts at the two sides of the connecting lug 6.

Preferably, the first connecting part is a plugging groove 17 arranged on the grip 2, the elastic shock absorbing element 9 is plugged in the plugging groove 17, and the shape of the plugging groove 17 is matched with the shape of the elastic shock absorbing element 9. Most preferably, the insertion groove 17 is a square groove body, and the elastic shock absorbing member 9 is a square block structure.

Preferably, the second connecting portion is a connecting column 8, the elastic shock absorbing member 9 is provided with a plug hole, and the elastic shock absorbing member 9 is sleeved on the outer side of the connecting column 8 through the plug hole.

In addition, the elastic shock absorbing member 9 is inserted into the insertion groove 17 and supported on the inner groove wall of the insertion groove 17, the thickness of the elastic shock absorbing member 9 is greater than the depth of the insertion groove 17, the other end of the elastic shock absorbing member 9 is supported on the side surface of the connection bump 6, the elastic shock absorbing member 9 is sleeved outside the connection post 8, and the depth of the insertion hole is greater than the length of the connection post 8, so that the elastic shock absorbing member 9 is supported between the grip 2 and the connection bump 6, so that a space is provided between the grip 2 and the connection bump 6 without contact.

The housing 1 and the grip 2 are in contact connection only through the elastic shock absorbing member 9.

As shown in fig. 4, preferably, three connection lugs 6 are disposed at the bottom of the casing 1, the three connection lugs 6 are disposed at the front, middle and rear positions of the bottom of the casing 1, each connection lug 6 is provided with a first connection hole 7, the handle 2 is provided with three second connection holes corresponding to the three first connection holes 7, two sides of each connection lug 6 are provided with a protruding connection post 8, and the left half-shell 11 and the right half-shell 12 are provided with three inserting grooves 17 to correspond to the connection posts 8 on the three connection lugs 6, so that six elastic shock absorbing members 9 for supporting are disposed between the casing 1 and the handle 2 to achieve a proper shock absorbing effect.

When the machine works, the vibration of the machine shell 1 is transmitted to the elastic damping piece 9, and then transmitted to the handle 2 after passing through the elastic damping piece 9, and the vibration transmitted by the machine shell 1 is slowed down through the elastic damping piece 9, so that the vibration impact on an operator, a controller 10 in the handle 2 and the battery pack 3 on the handle 2 is reduced, and the operation experience of a user is improved, and the service life of relevant parts is prolonged.

As shown in fig. 1-3, the grip 2 is connected with the casing 1 in a contactless manner, since the connecting protrusion 6 extends into the opening at the upper end of the grip 2 to connect with the grip 2, a space is provided between the grip 2 and the casing 1, the grip 2 is covered with a soft cushion 5, the soft cushion 5 extends out of the end edge of the first end of the grip 2 for connecting with the casing 1, so that the soft cushion 5 is attached to the casing 1, the space between the grip 2 and the casing 1 is covered by the soft cushion 5, the appearance is more attractive, the grip feeling is better when the user holds the soft cushion 5, and vibration on the casing 1 is not easy to be transmitted to the grip 2.

Other structures of the handle 2 are the same as those of the conventional lithium battery wrench, for example, a display leg 13 for installing the battery pack 3 is arranged at the lower end of the handle 2, a control switch 4 is arranged on the handle 2 for controlling a machine during holding, and a controller 10 is arranged in the handle 2.

The lithium battery wrench with the shock absorbing function provided by the utility model is described above, and specific examples are applied to illustrate the principle and the implementation mode of the utility model, and the description of the examples is only used for helping to understand the utility model and the core idea. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a lithium electricity spanner with shock-absorbing function, includes the organism that is used for outputting power and is used for holding the handle, and the organism is including connecting the casing in handle one end, its characterized in that, casing and handle are two mutually independent parts, link together through the fastener between handle one end and the casing, be equipped with the elasticity damping member between handle and the casing, be equipped with the first connecting portion that are used for connecting the elasticity damping member on the handle, be equipped with the second connecting portion that corresponds first connecting portion on the casing, the elasticity damping member is connected with first connecting portion and second connecting portion respectively to make the elasticity damping member support be used for the shock attenuation between casing and handle.

2. The lithium battery wrench with the shock absorbing function according to claim 1, wherein a connection lug is fixed on the casing, the connection lug is inserted into a first end of the handle for being connected with the casing, the first end of the handle is provided with an opening for the connection lug to be inserted, two sides of the connection lug are respectively provided with a second connection part for being connected with the elastic shock absorbing member, and inner walls of the handle at two sides of the connection lug are respectively provided with a first connection part corresponding to the second connection parts at two sides.

3. The lithium battery wrench with the shock absorbing function according to claim 1 or 2, wherein the first connecting portion is a plugging groove arranged on the handle, the elastic shock absorbing member is plugged in the plugging groove, and the shape of the plugging groove is matched with that of the elastic shock absorbing member.

4. The lithium battery wrench with the shock absorbing function according to claim 1 or 2, wherein the second connecting portion is a connecting column, the elastic shock absorbing member is provided with a plug hole, and the elastic shock absorbing member is sleeved on the outer side of the connecting column through the plug hole.

5. The lithium battery wrench with a shock absorbing function according to claim 3, wherein the elastic shock absorbing member is inserted into the socket groove and supported on an inner groove wall of the socket groove, and the thickness of the elastic shock absorbing member is greater than the depth of the socket groove.

6. The lithium battery wrench with a shock absorbing function according to claim 4, wherein the depth of the insertion hole is greater than the length of the connecting column.

7. The lithium battery wrench with the shock absorbing function according to claim 2, wherein the shell is provided with a first connecting hole, the handle is provided with a second connecting hole corresponding to the first connecting hole, and the fastener passes through the first connecting hole and the second connecting hole to connect the shell and the handle together.

8. The lithium battery wrench with a shock absorbing function according to claim 7, wherein the first connection hole is provided on the connection protrusion.

9. The lithium battery wrench with shock absorbing function according to claim 1, wherein the grip is in non-contact connection with the housing, the grip is covered with a soft leather pad, and the soft leather pad extends out of an end edge of the first end of the grip for connection with the housing to be attached to the housing.

10. The lithium battery wrench with a shock absorbing function according to claim 8, wherein the grip comprises a left half shell and a right half shell which are detachably connected, the second connecting hole comprises a threaded hole formed in the left half shell and a screw hole formed in the right half shell, and the fastening member is a screw, and the screw is connected with the threaded hole through the screw hole.