Electric tool and auxiliary handle thereof

Abstract

The utility model discloses an electric tool and an auxiliary handle thereof, the auxiliary handle is used for assisting in fixing the electric tool, the electric tool comprises a main body part, the main body part is provided with a mounting part, a to-be-clamped part is formed on at least one side of the top of the mounting part, the auxiliary handle comprises a handle main body, a clamping assembly and a rotation stopping rod, the handle body is provided with a connecting end, the extending direction of the rotation stopping rod is arranged to be parallel to the extending direction of the connecting end, the clamping assembly comprises a first clamping block, a second clamping block and a clamping opening adjusting component, at least one of the first clamping block and the second clamping block is fixedly connected to the connecting end, and the clamping opening adjusting component is fixedly connected to the connecting end. One of the first clamping block and the second clamping block is slidably connected to the connecting end part, the other of the first clamping block and the second clamping block is slidably connected to the connecting end part and the rotation stopping rod, and the first clamping block or the second clamping block is slidably arranged to be close to the second clamping block or the first clamping block through the clamping opening adjusting component so as to clamp the part to be clamped of the mounting part.

Description

Technical Field

[0001] The utility model relates to the field of power tools, in particular to power tools and their auxiliary handles. Background Art

[0002] In daily life, there are many tools held by one hand, such as common power tools, and common power tools such as electric drills, angle grinders, electric hammers, impact wrenches, etc. The handles of these power tools are all in the form of being held by one hand. Since the action of force is mutual, when a user holds a power tool with one hand, the force generated when the power tool works will be transmitted to the user's arm. Once the force generated by the power tool is too large, the user's arm is likely to be injured. Therefore, power tools usually have an additional handle, so that the user can hold the handle with the other hand to offset a part of the force generated by the power tool.

[0003] In the prior art, an auxiliary handle usually includes a handle body and two clamping blocks arranged at intervals. Each clamping block is provided with a threaded hole, and a thread threadedly connected to the threaded hole is provided on the corresponding handle body. By placing the power tool to be clamped between the two clamping blocks and then rotating the handle body, the auxiliary handle can be clamped to the power tool. For example, the Chinese patent with the publication number: CN218698484U. Although this kind of auxiliary handle can well assist the staff to limit the power tool, it also has some defects.

[0004] First of all, the connection method between the clamping block and the handle body is a threaded connection. The whole clamped auxiliary handle vibrates and moves together with the use of the power tool. When the user limits the power tool through the auxiliary handle, a lateral force perpendicular to the axial direction of the rotation axis of the power tool is usually applied. This force easily causes the output shaft of the power tool to deviate from the axis position where work is required. For example, when the power tool is an electric drill, the drill bit will vibrate when drilling into the wall. At this time, in order to assist in fixing the electric drill, the user needs to apply force to the auxiliary handle, and the applied force will always have a force perpendicular to the axial direction of the electric drill. The existence of this directional force will easily cause the drill bit to deviate from the axial position, resulting in the deformation of the hole drilled by the drill bit.

[0005] On the other hand, when the clamping block on the existing auxiliary handle is connected to or disassembled from the power tool, the handle body needs to be continuously rotated, and it cannot be quickly disassembled relative to the power tool. Summary of the Utility Model

[0006] In order to achieve at least one of the above advantages of the utility model, the utility model provides an auxiliary handle for assisting in fixing an electric tool, the electric tool comprising a main body, the main body having a mounting portion, at least one side of the top of the mounting portion forming a to-be-clamped portion for docking the auxiliary handle, the auxiliary handle comprising:

[0007] A handle body, the handle body having a gripping end and a connecting end opposite to the gripping end;

[0008] A rotation-stop rod, wherein the extension direction of the rotation-stop rod is arranged to be parallel to the extension direction of the connecting end portion of the handle body;

[0009] The clamping assembly comprises a first clamping block, a second clamping block and a clamping jaw adjusting member, the first clamping block and the second clamping block being connected to the stop rod, at least one of the first clamping block and the second clamping block being fixedly connected to the connecting end portion, and the other being slidably connected to the connecting end portion and the stop rod, and a clamping opening is formed between the first clamping block and the second clamping block for accommodating the portion to be clamped of the mounting portion, the first clamping block or the second clamping block slidably connected to the connecting end portion is arranged through the clamping jaw adjusting member to tend to approach the second clamping block or the first clamping block fixedly connected to the connecting end portion along the extension direction of the connecting end portion.

[0010] According to one embodiment of the utility model, the outer wall portion of the connecting end is provided with a thread, the first clamping block has a first top and a first clamping portion extending downward from the first top, wherein the first top forms a threaded hole, the second clamping block has a second top and a second clamping portion extending downward from the second top, wherein the second top forms a through hole, the clamping opening is formed by the first clamping portion and the second clamping portion, the connecting end of the handle body is arranged to pass through the through hole of the second clamping portion of the second clamping block, and the thread of the connecting end is threadedly connected to the threaded hole of the first clamping portion, so that the second clamping block can slide freely along the direction in which the connecting end extends.

[0011] According to an embodiment of the present utility model, the clamping opening adjusting member includes an elastic member and a tension rod. The tension rod has a rod body, a head formed by extending radially from one end of the rod body, and a tail formed by extending radially. The first clamping portion of the first clamping block forms a stepped hole along the extending direction of the connecting end portion. The second clamping portion of the second clamping block forms a through hole at a position coaxial with the stepped hole along the extending direction of the connecting end portion. The rod body of the tension rod passes through the through hole and at least one through window provided on the mounting portion and passing through the portion to be clamped from the side, and the head abuts against the outer side of the second clamping portion away from the first clamping portion, while the tail remains on the outer side of the first clamping portion away from the second clamping portion. The elastic member is compressively sleeved on the rod body, and one end abuts against the tail while the other end abuts against the step of the stepped hole.

[0012] According to an embodiment of the present utility model, the tension rod and the anti-rotation rod are the same component.

[0013] According to an embodiment of the present utility model, the tension rod includes a rod member and a triggering member. One end of the rod member forms the rod body and the head. The rod body of the rod member is provided with a thread at the other end opposite to the formation of the head. The triggering member is threadedly connected to the rod body at the other end opposite to the formation of the head.

[0014] According to an embodiment of the present utility model, at least one convex rib and / or groove are respectively provided on the side walls of the first clamping portion and / or the second clamping portion corresponding to clamping the portion to be clamped, so that when the clamping opening is adjusted and reduced by the clamping opening adjusting member and the first clamping block and the second clamping block clamp the portion to be clamped, the convex ribs and / or grooves on the first clamping portion and / or the second clamping portion cooperate with the grooves and / or convex ribs on the portion to be clamped.

[0015] According to an embodiment of the present utility model, a clamping portion is formed by extending radially from the handle body at a predetermined distance from the second clamping block, and the clamping portion is in the extending direction of the through hole. The through hole of the second clamping portion is a threaded hole. The tail of the tension rod passes through the clamping portion and is threadedly connected to the through hole, and the head of the tension rod abuts against the side wall of the clamping portion away from the second clamping block. The elastic member is compressively sleeved on the rod body, and one end of the elastic member abuts against the wall of the through hole formed in the second clamping portion, and the other end abuts against the side wall of the clamping portion close to the second clamping block.

[0016] According to an embodiment of the present utility model, the jaw adjustment member includes a clamping member and a tension rod. The tension rod has a rod body, a head formed by extending radially from one end of the rod body, and a tail formed by extending radially. The first clamping portion of the first clamping block forms a stepped hole along the extending direction of the connecting end portion. The second clamping portion of the second clamping block forms a through hole at a position coaxial with the stepped hole along the extending direction of the connecting end portion. The rod body of the tension rod passes through the through hole and at least one through window provided on the mounting portion and passing through the portion to be clamped from the side, and the head abuts against the outer side of the second clamping portion away from the first clamping portion, while the tail remains on the outer side of the first clamping portion away from the second clamping portion. The clamping member is mounted on the first clamping block or the second clamping block in a manner of clamping or releasing the tension rod.

[0017] To achieve at least one of the above advantages of the present utility model, the present utility model provides a power tool, which includes:

[0018] A main body portion having a mounting portion and a holding portion formed by extending in a direction forming a predetermined angle with the extending direction of the mounting portion from the middle of the mounting portion. At least one side of the top of the mounting portion forms a portion to be clamped for docking the auxiliary handle;

[0019] An electric component disposed in the main body portion, having an output end formed from one end of the mounting portion, and an axis defined by the output end;

[0020] The auxiliary handle as described above, which can be detachably mounted on the mounting portion. Description of the Drawings

[0021] Figure 1 Shows a schematic structural view of the power tool and its auxiliary handle according to the present utility model.

[0022] Figure 2 Shows an exploded schematic view of the clamping assembly of the auxiliary handle according to the present utility model.

[0023] Figure 3 Shows a cross-sectional schematic view of the power tool and its auxiliary handle when fixedly installed according to the present utility model.

[0024] Figure 4 For Figure 3 A partial enlarged view at position A in

[0025] Figure 5 Shows a cross-sectional schematic view of the power tool and its auxiliary handle when disassembled according to the present utility model.

[0026] Figure 6 For Figure 5Partial enlarged view at B in [the figure].

[0027] Figure 7 Shows an exploded schematic view of an embodiment of the auxiliary handle described in the present utility model.

[0028] Figure 8 Shows a cross-sectional schematic view when an embodiment of the power tool and its auxiliary handle described in the present utility model are fixedly installed.

[0029] Figure 9 Shows a cross-sectional schematic view when another embodiment of the power tool and its auxiliary handle described in the present utility model are fixedly installed.

[0030] Figure 10 is Figure 9 Partial enlarged view at C in [the figure]. Detailed implementation manner

[0031] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations. The basic principles defined in the following description of the present utility model can be applied to other implementation schemes, variation schemes, improvement schemes, equivalent schemes, and other technical schemes that do not depart from the spirit and scope of the present utility model.

[0032] Those skilled in the art should understand that in the disclosure of the present utility model, the orientation or positional relationships indicated by the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on the present utility model.

[0033] It can be understood that the term "one" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of an element can be one, while in other embodiments, the number of this element can be multiple. The term "one" should not be construed as a limitation on the number.

[0034] Refer to Figures 1 to 10 , an auxiliary handle 100 according to a preferred embodiment of the present utility model will be elaborated in detail below. The auxiliary handle 100 is used to assist in fixing the power tool 90.

[0035] As Figure 1 and Figure 3As shown, the power tool 90 includes an electric component 91 and a main body 92. The main body 92 has a mounting portion 921 and a gripping portion 922 extending from the middle of the mounting portion 921 in a direction forming a predetermined angle with the extending direction of the mounting portion 921.

[0036] The electric component 91 is disposed on the main body 92, and forms an output end 9211 from one end of the mounting portion 921, and an axial direction X is defined by the output end 9211. It is worth mentioning that the output end 9211 can be used to dock an output element, such as a drill bit, an electric screwdriver bit, etc. Correspondingly, the rotation axis of the output end 9211 defines the axial direction X. It is also worth mentioning that the electric component 91 includes a motor.

[0037] At least one side of the top of the mounting portion 921 forms a portion to be clamped 9212 for docking the auxiliary handle 100. In addition, the mounting portion 921 also forms at least one through window 92101 passing through the portion to be clamped 9212 from the side.

[0038] Specifically, the auxiliary handle 100 includes a handle body 10, a clamping assembly 20, and an anti-rotation rod 30.

[0039] As Figure 2 and Figure 3 As shown, the clamping assembly 20 includes a first clamping block 21, a second clamping block 22, and a clamping opening adjusting member 23. The handle body 10 has a gripping end 11 and a connecting end 12 opposite to the gripping end 11. The extending direction of the anti-rotation rod 30 is set to be parallel to the extending direction of the connecting end 12 of the handle body 10, and the first clamping block 21 and the second clamping block 22 are connected to the anti-rotation rod 30.

[0040] At least one of the first clamping block 21 and the second clamping block 22 is fixedly connected to the connecting end 12, and the other is slidably connected to the connecting end 12 and the anti-rotation rod 30, and a clamping opening 201 is formed between the first clamping block 21 and the second clamping block 22 for accommodating the portion to be clamped 9212 of the mounting portion 921.

[0041] The first clamping block 21 or the second clamping block 22 that is slidably connected to the connection end 12 is arranged to tend to approach the second clamping block 22 or the first clamping block 21 fixedly connected to the connection end 12 along the extension direction of the connection end 12 through the clamping opening adjusting member 23, so that the clamping opening 201 tends to decrease. Those skilled in the art can understand that in this way, the first clamping block 21 and the second clamping block 22 can clamp the clamped part 9212 of the mounting part 921.

[0042] To enable those skilled in the art to understand the present invention, in a preferred embodiment of the present invention, only the example where the first clamping block 21 is fixed to the connection end 12 and the second clamping block 22 is slidably connected to the connection end 12 is described.

[0043] Specifically, in a preferred embodiment, the outer wall portion of the connection end 12 is provided with a thread. The first clamping block 21 has a first top 211 and a first clamping portion 212 extending downward from the first top 211, wherein the first top 211 forms a threaded hole 21101; the second clamping block 22 has a second top 221 and a second clamping portion 222 extending downward from the second top, wherein the second top 221 forms a through hole 22101, and the clamping opening 201 is formed by the first clamping portion 212 and the second clamping portion 222.

[0044] The connection end 12 of the handle body 10 is arranged to pass through the through hole 22101 of the second clamping portion 222 of the second clamping block 22, and the thread of the connection end 12 is threadedly connected to the threaded hole 21101 of the first clamping portion 212, so that the second clamping block 22 can freely slide along the extension direction of the connection end 12. It is worth mentioning that under the limitation of the anti-rotation rod 30, the first clamping block 21 and the second clamping block 22 will not rotate around the extension direction of the connection end 12, thereby ensuring that the first clamping portion 212 and the second clamping portion 222 always maintain a position facing each other.

[0045] In a preferred embodiment, the clamping opening adjusting member 23 includes an elastic member 231 and a tension rod 232. The tension rod 232 has a rod body 23201, a head 23202 formed by extending radially from one end of the rod body 23201, and a tail 23203 formed by extending radially.

[0046] The first clamping portion 212 of the first clamping block 21 forms a stepped hole 21201 along the extending direction of the connecting end portion 12. The second clamping portion 222 of the second clamping block 22 forms a through hole 22201 at a position coaxial with the stepped hole 21201 along the extending direction of the connecting end portion 12. The rod body 23201 of the tension rod 232 passes through the through hole 22201 and the through window 92101, with the head abutting against the outer side of the second clamping portion 222 away from the first clamping portion 212, and the tail portion 23203 remaining on the outer side of the first clamping portion 212 away from the second clamping portion 222.

[0047] In addition, the elastic member 231 is compressively sleeved on the rod body 23201, with one end pressing against the tail portion 23203 and the other end pressing against the step of the stepped hole 21201. Those skilled in the art can understand that when the auxiliary handle 100 needs to be installed on the power tool 90, the tension rod 232 can be first passed through the through window 92101 at the installation portion 921. Since the first clamping block 21 is fixedly connected to the connecting end portion 12, the tension rod 232 will be subjected to the elastic restoring force of the compressed elastic member 231, causing the head 23202 of the rod body 23201 to pull the second clamping block 22 to move towards the first clamping block 21, thereby enabling the first clamping block 21 and the second clamping block 22 to clamp the installation portion 921 located at the clamping opening 201.

[0048] In another embodiment, the elastic member 231 is compressively sleeved on the rod body 23201, with one end pressing against the head 23202 and the other end pressing against the outer wall of the second clamping portion 222 where the through hole 22201 is formed. Those skilled in the art can understand that when the auxiliary handle 100 needs to be installed on the power tool 90, the tension rod 232 can be first passed through the through window 92101 at the installation portion 921. Since the first clamping block 21 is fixedly connected to the connecting end portion 12, the second clamping block 22 will be subjected to the elastic restoring force of the compressed elastic member 231, causing the second clamping block 22 to move towards the first clamping block 21, thereby enabling the first clamping block 21 and the second clamping block 22 to clamp the installation portion 921 located at the clamping opening 201.

[0049] In addition, when the user needs to remove the auxiliary handle 100 from the power tool 90, only need to press the tail of the tension rod 232 with one key, so that the clamping opening 201 can slide in a direction away from the first clamping block 21 through the second clamping block 22 and become larger, so that the auxiliary handle 100 and the power tool 90 can be quickly separated.

[0050] Those skilled in the art can understand that when the electric tool is assisted and fixed by such an auxiliary handle, since the elastic member 231 can absorb a part of the force of the tail 23203 of the tension rod 232 pressing against the elastic member 231 itself, to a certain extent, the electric tool will not move as the tail 23203 of the tension rod 232 presses against the elastic member 231, thereby effectively reducing the deviation of the electric tool from the axial position during operation.

[0051] On the other hand, when the electric tool is operating, vibrations are usually generated, and the auxiliary handle 100 provided with the elastic member 231 can reduce the vibration amplitude of the electric tool to a certain extent.

[0052] It is particularly worth mentioning that when the first clamping block 21 and the second clamping block 22 are clamped to the mounting portion 921, since the tension rod 232 is pressed against the through window 92101 of the mounting portion 921, the auxiliary handle 100 can be more stably held on the electric tool 90.

[0053] In a preferred embodiment, the tension rod 232 and the anti-rotation rod 30 are the same component. That is to say, in this embodiment, the anti-rotation rod 30 is not separately provided, but the first clamping block 21 and the second clamping block 22 are prevented from rotating around the extension direction of the connecting end portion 12 by the tension rod 232. In this way, it is not necessary to separately provide a limiting rod on the first clamping block 21 and the second clamping block 22 to limit the first clamping block 21 and the second clamping block 22 as in the prior art, thereby reducing the volume of the first clamping block 21 and the second clamping block 22.

[0054] Preferably, the tension rod 232 includes a rod member 2321 and a trigger member 2322, wherein one end of the rod member 2321 forms the rod body 23201 and the head 23202. The rod body 23201 of the rod member 2321 is provided with a thread at the other end opposite to the formation of the head 23202, and the trigger member 2322 is threadedly connected to the rod body 23201 at the other end opposite to the formation of the head 23202 and is provided with a thread. In this way, the user can adjust the compression amount of the elastic member 231 by rotating the trigger member 2322, thereby adjusting the clamping force of the first clamping block 21 and the second clamping block 22 on the mounting portion 92.

[0055] Preferably, the trigger member 2322 is detachably threadedly connected to the other end of the rod body 23201 opposite to the formation of the head 23202. In this way, when the auxiliary handle 100 is installed on the installation part 921, the trigger member 2322 and the rod body 23201 can be separated first, and then after the rod body 23201 passes through the through-window 92101 on the installation part 921, the trigger member 2322 and the rod body 23201 are connected and fixed.

[0056] Preferably, at least one groove and / or rib is provided on the side wall of at least one part to be clamped 9212 of the installation part 921 to be clamped, and at least one rib and / or groove is respectively provided on the first clamping part 212 and / or the second clamping part 222 corresponding to the side wall of the part to be clamped 9212 to be clamped, so that when the clamping opening 201 is adjusted and reduced by the clamping opening adjusting member 23 and the first clamping block 21 and the second clamping block 22 clamp the part to be clamped 9212, the ribs and / or grooves of the first clamping part 212 and / or the second clamping part 222 cooperate with the grooves and / or ribs on the part to be clamped 9212, thereby making it difficult for the first clamping block 21 and the second clamping block 22 to slip off from the vertical direction of the part to be clamped 9212.

[0057] Preferably, the handle body 10 extends radially at a predetermined position between the second clamping block 22 and the holding end 11 on the connecting end 12 to form an anti-slip step 13, so as to limit the sliding distance of the second clamping block 22 slidable on the connecting end 12 towards the holding end 11, and prevent the second clamping block 22 from sliding from the connecting end 12 to the holding end 11, which is inconvenient for the installation of the clamping opening adjusting member 23 and the anti-rotation rod 30.

[0058] In a modified embodiment, a clamping part 14 is formed by the handle body 10 extending radially at a predetermined distance from the second clamping block 22, and the clamping part 14 is in the extending direction of the through-hole 22201.

[0059] In this embodiment, the through hole 22201 of the second clamping part 222 is a threaded hole. The tail part 23203 of the tension rod 232 passes through the clamping part 14 and is threadedly connected to the through hole 22201, and the head part 23202 of the tension rod 232 abuts against the side wall of the clamping part 14 away from the second clamping block 22. The elastic member 231 is compressively sleeved on the rod body 23201, and one end of the elastic member 231 abuts against the wall of the through hole 22201 formed by the second clamping part 222, and the other end abuts against the side wall of the clamping part 14 close to the second clamping block 22. In this way, the tension rod 232 will be subjected to the elastic restoring force of the compressed elastic member 231, so that the tail part 23203 of the rod body 23201 presses the second clamping block 22 to move towards the first clamping block 21, and further makes the first clamping block 21 and the second clamping block 22 clamp the mounting part 921 located at the clamping opening 201.

[0060] In addition, when the user needs to remove the auxiliary handle 100 from the electrician's tool 90, only need to directly pull the second clamping block 22, so that the clamping opening 201 can slide in the direction away from the first clamping block 21 through the second clamping block 22 and become larger, so that the auxiliary handle 100 and the power tool 90 can be quickly separated.

[0061] In another embodiment, the clamping opening adjusting member 23 includes a clamping member 231A and a tension rod 232A. The tension rod 232A has a rod body 23201A, a head part 23202A formed by extending radially from one end of the rod body 23201A, and a tail part 23203A formed by extending radially.

[0062] A stepped hole 21201 is formed in the first clamping part 212 of the first clamping block 21 along the extending direction of the connecting end part 12. A through hole 22201 is formed in the second clamping part 222 of the second clamping block 22 at a position coaxial with the stepped hole 21201 along the extending direction of the connecting end part 12. The rod body 23201A of the tension rod 232A passes through the through hole 22201 and the through window 92101, and the head abuts against the outside of the second clamping part 222 away from the first clamping part 212, while the tail part 23203A remains on the outside of the first clamping part 212 away from the second clamping part 222.

[0063] In addition, the clamping member 231A is mounted on the first clamping block 21 or the second clamping block 22 in a manner of clamping or releasing the tension rod 232A. To enable those skilled in the art to understand the present invention, in a preferred embodiment of the present invention, only the case where the clamping member 231A is mounted on the first clamping block 21 is described as an example.

[0064] Those skilled in the art can understand that when the auxiliary handle 100 needs to be mounted on the power tool 90, the tension rod 232A can be first passed through the through-window 92101 at the mounting portion 921. Since the first clamping block 21 is fixedly connected to the connecting end portion 12, when the head 23202A of the tension rod 232A presses against the second clamping portion 222 and the second clamping portion 222 contacts the mounting portion 921, the tail 23203A of the tension rod 232A will be clamped by the clamping member 231A, so that the head 23202A of the rod body 23201A tightens the second clamping block 22, and further the first clamping block 21 and the second clamping block 22 clamp the mounting portion 921 located at the clamping opening 201.

[0065] Specifically, the clamping member 231A includes a clamping member 2311A and an elastic member 2312A. The clamping member 2311A is rotatably mounted on the first clamping portion 212 with its middle part as the rotation center. The clamping member 2311A has a clamping portion 23111A and a triggering portion 23112A. When the clamping member 2311A clamps the tension rod 232A, the clamping portion 23111A of the clamping member 2311A approaches the tail 23203 of the tension rod 232A, and the triggering portion 23112A moves away from the tail 23203. One end of the elastic member 2312A presses against one side of the triggering portion 23112A close to the tail 23203A, and the other end of the elastic member 2312A presses against the first clamping portion 232. Under normal circumstances, the elastic member 2312A makes the triggering portion 23112A move away from the tail 23203A and the clamping portion 23111A clamp the tension rod 232A; when the elastic member 2312A is compressed, the triggering portion 23112A approaches the tail 23203A and the clamping portion 23111A moves away from the tension rod 232A.

[0066] As an example, serrations are provided on the sides where the clamping portion 23111A and the tail 23203A approach each other for clamping. The elastic member 2312A is implemented as a spring.

[0067] Those skilled in the art can understand that when the user presses the trigger part 23112A, the elastic member 2312A is compressed, and the clamping part 23111A moves away from the tail part 23203A, so that the tension rod 232A can move. At this time, the user can slide the second clamping block 22 in a direction away from the first clamping block 21, so that the clamping opening 201 becomes larger, and further the auxiliary handle 100 and the power tool 90 can be quickly separated; when the user releases the trigger part 23112A, the elastic member 2312A resumes its original state and the clamping part 23111A approaches the tail part 23203A. The user can drive the second clamping block 22 to approach the first clamping block 21 by pushing the head part 23202A of the tension rod 232A. When the tension rod 232A is pushed until the tail part 23202A is clamped by the clamping part 23111A, the second clamping block 22 and the first clamping block 21 clamp the mounting part 921 located in the clamping opening 201.

[0068] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been shown and described in the embodiments. Without departing from the above principles, any deformation or modification of the embodiments of the present invention is possible.

Claims

1. An auxiliary handle, used to assist in fixing an electric tool, the electric tool comprising a main body, the main body having a mounting portion, at least one side of the top of the mounting portion forming a clamping portion for docking the auxiliary handle, characterized in that: The auxiliary handle comprises: A handle body, the handle body having a gripping end and a connecting end opposite to the gripping end; A rotation-stop rod, wherein the extension direction of the rotation-stop rod is arranged to be parallel to the extension direction of the connecting end portion of the handle body; The clamping assembly comprises a first clamping block, a second clamping block and a clamping jaw adjusting member, the first clamping block and the second clamping block being connected to the stop rod, at least one of the first clamping block and the second clamping block being fixedly connected to the connecting end portion, and the other being slidably connected to the connecting end portion and the stop rod, and a clamping opening is formed between the first clamping block and the second clamping block for accommodating the portion to be clamped of the mounting portion, the first clamping block or the second clamping block slidably connected to the connecting end portion is arranged through the clamping jaw adjusting member to tend to approach the second clamping block or the first clamping block fixedly connected to the connecting end portion along the extension direction of the connecting end portion.

2. The auxiliary handle according to claim 1, characterized in that: The outer wall portion of the connecting end is provided with a thread, the first clamping block has a first top and a first clamping portion extending downward from the first top, wherein the first top forms a threaded hole, the second clamping block has a second top and a second clamping portion extending downward from the second top, wherein the second top forms a through hole, the clamping opening is formed by the first clamping portion and the second clamping portion, the connecting end of the handle body is arranged to pass through the through hole of the second clamping portion of the second clamping block, and the thread of the connecting end is threadedly connected to the threaded hole of the first clamping portion, so that the second clamping block can slide freely along the direction in which the connecting end extends.

3. The auxiliary handle according to claim 2, characterized in that: The clamp adjustment component includes an elastic member and a tension rod, the tension rod having a rod body, a head portion extending from one end of the rod body in a radial direction, and a tail portion extending in a radial direction, the first clamping portion of the first clamping block forms a step hole along the extension direction of the connecting end, the second clamping portion of the second clamping block forms a through hole at a position coaxial with the step hole along the extension direction of the connecting end, the rod body of the tension rod passes through the through hole and at least one through window provided on the mounting portion that passes through the portion to be clamped from the side, and the head portion abuts against the outer side of the second clamping portion away from the first clamping portion, and the tail portion is maintained on the outer side of the first clamping portion away from the second clamping portion, the elastic member is compressively sheathed on the rod body, and one end abuts against the tail portion and the other end abuts against the step of the step hole.

4. The auxiliary handle according to claim 3, characterized in that: The tension rod and the anti-rotation rod are the same component.

5. The auxiliary handle according to claim 4, characterized in that: The tension rod includes a rod and a trigger, wherein one end of the rod forms the rod body and the head, and the other end of the rod body of the rod opposite to the head is provided with a thread, wherein the trigger is threadedly connected to the other end of the rod body opposite to the head and is provided with a thread.

6. The auxiliary handle according to claim 2, characterized in that: The first clamping portion and / or the second clamping portion are respectively provided with at least one ridge and / or groove corresponding to the side walls of the portion to be clamped, so that when the clamping opening is adjusted and reduced by the clamping opening adjustment component so that the first clamping block and the second clamping block clamp the portion to be clamped, the ridges and / or grooves of the first clamping portion and / or the second clamping portion cooperate with the grooves and / or ridges on the portion to be clamped.

7. The auxiliary handle according to claim 3, characterized in that: The handle body extends in a radial direction at a predetermined distance from the second clamping block to form a clamping portion, and the clamping portion is in the extension direction of the through hole, the through hole of the second clamping portion is a threaded hole, the tail of the tensioning rod passes through the clamping portion and is threadedly connected to the through hole, and the head of the tensioning rod presses against the side wall of the clamping portion away from the second clamping block; the elastic member is compressed and sheathed on the rod body, and one end of the elastic member presses against the second clamping portion to form the wall of the through hole, and the other end presses against the side wall of the clamping portion close to the second clamping block.

8. The auxiliary handle according to claim 7, characterized in that: The tension rod and the anti-rotation rod are the same component.

9. The auxiliary handle according to claim 2, characterized in that: The clamp adjustment component includes a clamping component and a tension rod, the tension rod having a rod body, a head portion extending from one end of the rod body in a radial direction, and a tail portion extending in a radial direction, the first clamping portion of the first clamping block forms a step hole along the extension direction of the connecting end, the second clamping portion of the second clamping block forms a through hole at a position coaxial with the step hole along the extension direction of the connecting end, the rod body of the tension rod passes through the through hole and at least one through window provided on the mounting portion that passes through the portion to be clamped from the side, the head portion abuts against the outer side of the second clamping portion away from the first clamping portion, and the tail portion remains on the outer side of the first clamping portion away from the second clamping portion, the clamping component is installed on the first clamping block or the second clamping block in a manner of clamping or releasing the tension rod.

10. An electric tool, characterized in that: The electric tool comprises: A main body, the main body having a mounting portion and a gripping portion extending from a middle portion of the mounting portion in a direction forming a predetermined angle with an extending direction of the mounting portion, and at least one side of a top portion of the mounting portion forming a clamping portion for docking with the auxiliary handle; An electric component is disposed on the main body, and an output end is formed from one end of the mounting portion, and an axial direction is defined by the output end; The auxiliary handle as described in any one of claims 1 to 9 can be quickly detachably mounted on the mounting portion.

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