Reversing structure of electric tool and electric tool

Abstract

The utility model discloses a reversing structure of an electric tool and the electric tool, and the reversing structure comprises a sliding part; the first limiting groove and the second limiting groove are formed in the sliding piece; the limiting piece is arranged on the main body in a sliding mode, a limiting block is arranged on the limiting piece, the limiting piece is provided with an initial working position, a first working position and a second working position, and when the limiting piece is located at the initial working position, the sliding piece can move left and right; when the limiting piece is at the first working position, the sliding piece can only move towards the first side; when the limiting piece is located at the second working position, the limiting block is located in the second limiting groove, and the sliding piece can only move towards the second side; after the tool body with the ejector block is mounted on the main body, the ejector block can press the limiting piece, so that the limiting piece is located at a first working position or a second working position; the limiting piece is an elastic reset piece. According to the tool, after the tool body is installed, the limiting piece can be located at the working position matched with the limiting piece, and wrong adjustment of an operator is effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the tool field, concretely relates to the reversing structure of electric tool and electric tool. BACKGROUND

[0002] Electric tool includes the main body that installs electric drive mechanism and the tool body that is driven by electric drive mechanism, in order to increase the use range of electric tool, the main body can usually combine with multiple different tool bodies, and then combine into the structure with different functions, such as can combine to form water gun, angle grinder, cutting machine, electric saw, electric drill, electric hammer and so on.

[0003] The main body of electric tool is provided with the reversing switch that controls the rotating direction of motor, and the control switch includes the switch body in the main body and the sliding piece slidingly arranged on the switch body, the switch body has a swing lever, and the sliding piece has an embedding groove for the swing lever, when the operator controls the left and right movement of the sliding piece, the swing lever can be driven to move, so as to adjust the rotating direction of the motor, and the similar reversing switch is adopted in the patent document with the publication number CN112404637A.

[0004] Because the tool body has multiple, some tool bodies need the bidirectional rotation of motor, some tool bodies only need the motor to rotate to the first direction, and some tool bodies only need the motor to rotate to the second direction, in actual application, the operator needs to control himself, and the operation error is prone to occur. INVENTION CONTENTS

[0005] The utility model provides a reversing structure of electric tool and electric tool for the above problems.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A reversing structure of electric tool, the electric tool includes a main body and a plurality of tool bodies detachably mounted on the main body, the main body has a motor drive mechanism and a reversing switch, the reversing structure includes a sliding piece slidingly arranged on the main body, the sliding piece cooperates with the reversing switch, the reversing switch can be controlled by moving the sliding piece left and right, and the rotating direction of the motor of the motor drive mechanism is controlled, at least one tool body has a top block, and the reversing structure further includes:

[0008] A first limiting groove is arranged on the sliding piece.

[0009] A second limiting groove is arranged on the sliding piece and communicates with the first limiting groove.

[0010] The limiting member is slidably arranged on the main body, and the limiting member has a limiting block, and the limiting member has an initial working position, a first working position and a second working position; when the limiting member is in the initial working position, the sliding member can move left and right; when the limiting member is in the first working position, the limiting block is located in the first limiting groove, and the limiting block limits the sliding member so that the sliding member can only move to the first side; when the limiting member is in the second working position, the limiting block is located in the second limiting groove, and the limiting block limits the sliding member so that the sliding member can only move to the second side; one of the first side and the second side is the left side, and the other is the right side; when the tool body with the top block is installed on the main body, the top block can press the limiting member, so that the limiting member is in the first working position or the second working position.

[0011] The limiting member elastic reset member is arranged between the main body and the limiting member, and is used for enabling the limiting member to have a movement trend to the initial working position.

[0012] The reversing structure is used for cooperation with different tool bodies; when a tool body needing bidirectional rotation adjustment is installed, the tool body does not have a top block or has a very short top block, and after installation, the limiting member is still in the initial working position, and the sliding member can move left and right; when a tool body needing unidirectional rotation of a motor is installed, the length of the top block of the tool body can be used to control the limiting member in the first working position and the second working position, that is, the tool body can enable the limiting member to be in a working position suitable for itself after installation, thereby effectively preventing an operator from making an error adjustment.

[0013] In one embodiment of the utility model, the length direction of the first limiting groove and the second limiting groove is parallel to the movement direction of the sliding member.

[0014] In one embodiment of the utility model, the width of the communication place of the first limiting groove and the second limiting groove is greater than the outer diameter of the limiting block.

[0015] In one embodiment of the utility model, the first limiting groove and the second limiting groove are Z-shaped.

[0016] In one embodiment of the utility model, the reversing switch has a swing rod, and the sliding member has an embedding groove for embedding the swing rod; when an operator controls the sliding member to move left and right, the swing rod can be driven to swing left and right.

[0017] In one embodiment of the utility model, the limiting member elastic reset member is a spring, a torsion spring, a spring piece or a tension spring.

[0018] The utility model also discloses an electric tool, including main body and a plurality of open and detachable tool bodies installed on the main body, the main body has a motor driving mechanism and a reversing switch, at least one tool body has a top block, and the electric tool further comprises the reversing structure of the electric tool.

[0019] In one embodiment of this utility model, the main body has a mating groove, one end of the tool body has an insertion section for inserting into the mating groove, and the power tool further includes:

[0020] A locking element is slidably disposed on the main body. The locking element has a first positioning block located within the docking groove. The locking element has an installation working position and a locking working position.

[0021] A locking element elastic reset element is disposed between the main body and the locking element, which is used to give the locking element a tendency to move to the locking position;

[0022] The second positioning block is disposed in the insertion section. When the locking member is in the installation working position, the first positioning block and the second positioning block are offset, and the insertion section can be inserted into the docking groove or pulled out of the docking groove. When the insertion section is inserted into the docking groove and the locking member is in the locking working position, the first positioning block and the corresponding second positioning block are no longer offset. The first positioning block can prevent the second positioning block from moving outward, thereby preventing the insertion section from being pulled out of the docking groove.

[0023] This application achieves locking by the cooperation of the first positioning block of the locking member and the second positioning block of the insertion section, preventing the tool body from being pulled out of the docking groove. When it is necessary to remove the tool body, simply press the locking member to switch the locking member from the locking position to the installation position. The entire disassembly and assembly is very convenient.

[0024] In one embodiment of this utility model, the first positioning block has a first sidewall close to the opening of the docking groove and a second sidewall facing away from the opening of the docking groove. The first sidewall is an inclined surface or an arc surface and serves as a guide. When the insertion segment is inserted into the docking groove, the second positioning block first contacts the first sidewall and drives the locking member to overcome the elastic force of the locking member's elastic reset member through the first sidewall, so that the locking member switches from the locking working position to the installation working position. When the insertion segment is inserted into the position, the second positioning block no longer presses against the first positioning block. The first positioning block is reset to the locking working position under the action of the locking member's elastic reset member. At this time, the second sidewall of the first positioning block is used to cooperate with the second positioning block to prevent the second positioning block from disengaging from the docking groove.

[0025] The first sidewall being inclined or curved allows for easier installation of the tool body, eliminating the need to hold down the locking mechanism during installation.

[0026] In one embodiment of the present invention, one of the main body and the tool body has an anti-rotation groove and the other has an anti-rotation block. When the tool body is inserted into the main body, the anti-rotation block is embedded in the anti-rotation groove, which can prevent the tool body from rotating relative to the main body.

[0027] The main body has an anti-sway component, and the insertion section has a hollow structure. When the insertion section is inserted into the mounting groove, the anti-sway component is embedded in the insertion section and contacts and cooperates with the inner wall of the insertion section.

[0028] The anti-sway component can contact and cooperate with the inner wall of the insertion section to further limit the tool body and prevent the tool body from shaking.

[0029] The beneficial effects of this utility model are: the reversing structure is used to cooperate with different tool bodies. When installing a tool body that requires bidirectional rotation adjustment, the tool body does not have a top block or the top block is very short. After installation, the limiting member is still in the initial working position, and the sliding member can move left and right. When installing a tool body that requires unidirectional motor rotation, the length of the top block of the tool body can be used to control the limiting member in the first and second working positions. That is, this application can enable the limiting member to be in a working position that matches itself after the tool body is installed, effectively preventing operators from making incorrect adjustments. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of a power tool;

[0031] Figure 2 yes Figure 1 A schematic diagram showing the power tool body and tool body after separation;

[0032] Figure 3 This is a schematic diagram of a partial structure of the main body;

[0033] Figure 4 This is a schematic diagram of the locking element and the tool body when the working position is locked;

[0034] Figure 5 This is a schematic diagram showing the hidden structure of a power tool;

[0035] Figure 6 This is a schematic diagram after the locking element and the tool body have been separated;

[0036] Figure 7 This is the main view of the locking component and the tool body;

[0037] Figure 8 yes Figure 7 AA section view;

[0038] Figure 9 This is a schematic diagram showing the interaction between the anti-sway component and the tool body;

[0039] Figure 10 This is the main view of the anti-sway component and the tool body;

[0040] Figure 11 yes Figure 10 BB section view;

[0041] Figure 12 This is another schematic diagram of a power tool;

[0042] Figure 13 yes Figure 12 A schematic diagram of the power tool body and the tool itself after separation;

[0043] Figure 14 This is a schematic diagram of a partial structure of the main body;

[0044] Figure 15 This is a schematic diagram of the reversing switch and the sliding component;

[0045] Figure 16 This is a schematic diagram of the limiting component in its initial working position;

[0046] Figure 17 This is a schematic diagram of the limiting component in the first working position;

[0047] Figure 18 This is a schematic diagram of the limiting component in the second working position;

[0048] Figure 19 This is a schematic diagram showing the interaction between the limiting component and the first type of tool body;

[0049] Figure 20 This is a schematic diagram showing the interaction between the limiting component and the second type of tool.

[0050] The labels for the attached figures are as follows:

[0051] 1. Main body; 11. Docking groove; 12. Locking component; 121. First positioning block; 1211. First side wall; 1212. Second side wall; 1213. Transition side wall; 1214. Notch; 12141. Bottom wall; 122. Pressing part; 13. Locking component elastic reset component; 14. Anti-rotation groove; 15. Anti-shaking component; 16. Motor drive mechanism; 161. Output shaft; 17. Reversing switch; 171. Rocker arm; 18. Sliding component; 181. First limiting groove; 182. Second limiting groove; 183. Embedding groove; 19. Limiting component; 191. Limiting block; 10. Limiting component elastic reset component; 2. Tool body; 21. Insertion section; 211. Second positioning block; 22. Anti-rotation block; 23. Follower; 24. Top block. Detailed Implementation

[0052] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0053] In the description of this application, it should be noted that the terms "inner" and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0054] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "setup" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0055] The present invention will now be described in detail with reference to the accompanying drawings.

[0056] like Figures 1 to 13 As shown, a power tool includes a detachably connected main body 1 and a tool body 2. The main body 1 has a mating groove 11, and one end of the tool body 2 has an insertion section 21 for inserting into the mating groove 11. The power tool also includes:

[0057] The locking element 12 is slidably disposed on the main body 1. The locking element 12 has a first positioning block 121 located in the docking groove 11. The locking element 12 has an installation working position and a locking working position.

[0058] The locking member elastic reset member 13 is disposed between the main body 1 and the locking member 12, and is used to give the locking member 12 a tendency to move to the locking position.

[0059] The second positioning block 211 is disposed on the insertion section 21. When the locking member 12 is in the installation working position, the first positioning block 121 and the second positioning block 211 are offset, and the insertion section 21 can be inserted into the docking groove 11 or pulled out from the docking groove 11. When the insertion section 21 is inserted into the docking groove 11 and the locking member 12 is in the locking working position, the first positioning block 121 and the corresponding second positioning block 211 are no longer offset. The first positioning block 121 can prevent the second positioning block 211 from moving outward, thereby preventing the insertion section 21 from being pulled out from the docking groove 11.

[0060] This application achieves locking by the cooperation of the first positioning block 121 of the locking member 12 and the second positioning block 211 of the insertion section 21, preventing the tool body 2 from being pulled out of the docking groove 11. When it is necessary to remove the tool body 2, simply press the locking member 12 to switch the locking member 12 from the locking position to the installation position. The entire disassembly and assembly is very convenient.

[0061] The phrase "when the insertion segment 21 is inserted into the docking groove 11 and the locking member 12 is in the locked position" in this application means that the insertion segment 21 has been inserted into the docking groove 11.

[0062] The second positioning block 211 of this application is disposed in the insertion segment 21, including the case where the second positioning block 211 and the insertion segment 21 are integrated.

[0063] like Figure 4 , 6 As shown in Figure 8, in this embodiment, the first positioning block 121 has a first sidewall 1211 close to the opening of the docking groove 11 and a second sidewall 1212 facing away from the opening of the docking groove 11. The first sidewall 1211 is an inclined surface or an arc surface and plays a guiding role. When the insertion segment 21 is inserted into the docking groove 11, the second positioning block 211 first contacts the first sidewall 1211 and drives the locking member 12 to overcome the elastic force of the locking member elastic reset member 13 through the first sidewall 1211, so that the locking member 12 switches from the locking working position to the installation working position. When the insertion segment 21 is inserted into the position, the second positioning block 211 no longer presses the first positioning block 121. The first positioning block 121 is reset to the locking working position under the action of the locking member elastic reset member 13. At this time, the second sidewall 1212 of the first positioning block 121 is used to cooperate with the second positioning block 211 to prevent the second positioning block 211 from disengaging from the docking groove 11.

[0064] The first sidewall 1211 is an inclined or curved surface, which makes it easier to install the tool body 2. During installation, there is no need to hold down the locking piece 12.

[0065] like Figure 6 and 8 As shown, in this embodiment, the first positioning block 121 also has a transition sidewall 1213 located between the first sidewall 1211 and the second sidewall 1212. When the insertion segment 21 is inserted into the docking groove 11, the second positioning block 211 first contacts the first sidewall 1211 and then contacts the transition sidewall 1213. When the second positioning block 211 no longer contacts the transition sidewall 1213, the first positioning block 121 switches to the locking position under the action of the locking member elastic reset member 13.

[0066] like Figure 8As shown, in this embodiment, the second sidewall 1212 is an inclined arc surface. The further the second sidewall 1212 is from the transition sidewall 1213, the farther the second sidewall 1212 is from the groove opening of the docking groove 11.

[0067] With this configuration, when the locking component 12 is reset to the locked position, the second side wall 1212 can also cooperate with the second positioning block 211, driving the second positioning block 211 to move deeper into the docking groove 11. This effectively eliminates the gap between the second positioning block 211 and the second side wall 1212, ensuring connection quality and preventing shaking.

[0068] like Figure 6 and 8 As shown, in this embodiment, the first positioning block 121 has a notch 1214 on the side facing away from the groove of the docking groove 11. The notch 1214 has a bottom wall 12141 and a side wall. The side wall of the notch 1214 is the second side wall 1212. When the insertion segment 21 is inserted into the docking groove 11 and the locking member 12 is in the locked working position, the bottom wall 12141 of the notch 1214 abuts against the outer side wall of the second positioning block 211.

[0069] It can achieve better and more stable cooperation and prevent the tool body 2 from shaking relative to the main body 1.

[0070] like Figure 2 As shown, in this embodiment, one of the main body 1 and the tool body 2 has an anti-rotation groove 14 and the other has an anti-rotation block 22. When the tool body 2 is inserted into the main body 1, the anti-rotation block 22 is embedded in the anti-rotation groove 14, which can prevent the tool body 2 from rotating relative to the main body 1.

[0071] like Figure 2 , 9 As shown in Figures 10 and 11, in this embodiment, the main body 1 has an anti-sway component 15, and the insertion section 21 has a hollow structure. When the insertion section 21 is inserted into the mounting groove, the anti-sway component 15 is embedded in the insertion section 21 and contacts and cooperates with the inner wall of the insertion section 21.

[0072] The anti-sway component 15 can contact and cooperate with the inner wall of the insertion section 21 to further limit the tool body 2 and prevent the tool body 2 from shaking.

[0073] like Figure 2 and 5 In this embodiment, a motor drive mechanism 16 is installed on the main body 1. The motor drive mechanism 16 includes an output shaft 161 located in the mounting groove. The insertion section 21 of the tool body 2 has a follower 23. The follower 23 and the output shaft 161 are keyway engaged, and the output shaft 161 can drive the follower 23 to rotate synchronously.

[0074] like Figure 2 and 6As shown, in this embodiment, the locking member 12 is a hollow sleeve structure, and there are multiple first positioning blocks 121 located in the inner ring of the locking member 12.

[0075] The locking member 12 has a pressing part 122 that exposes the main body 1.

[0076] This connection structure is stable, reliable, and easy to operate.

[0077] In this embodiment, the sliding direction of the locking member 12 is perpendicular to the insertion direction of the insertion segment 21.

[0078] The main body 1 of the power tool in this embodiment can be coupled with multiple different tool bodies 2, such as Figure 1 and Figure 2 The main body 1 and the first type of tool body 2 work together, such as Figure 12 and 13 As shown, the main body 1 and the second type of tool body 2 are used together.

[0079] like Figure 2 As shown, at least one tool body 2 has a top block 24.

[0080] like Figure 1 and 14 As shown, the main body 1 has a reversing switch 17, and the power tool also has a reversing structure, such as... Figures 14 to 20 As shown, in this embodiment, the commutation structure includes:

[0081] The slider 18 is slidably disposed on the main body 1 and cooperates with the reversing switch 17. By moving the slider 18 left and right, the reversing switch 17 can be controlled, thereby controlling the rotation direction of the motor of the motor drive mechanism 16.

[0082] The first limiting groove 181 is provided on the sliding member 18;

[0083] The second limiting groove 182 is provided on the sliding member 18 and is connected to the first limiting groove 181;

[0084] A limiting member 19 is slidably disposed on the main body 1 shown. The limiting member 19 has a limiting block 191. The limiting member 19 has an initial working position, a first working position, and a second working position. When the limiting member 19 is in the initial working position, the sliding member 18 can move left and right. When the limiting member 19 is in the first working position, the limiting block 191 is located in the first limiting groove 181, and the limiting block 191 restricts the sliding member 18, so that the sliding member 18 can only move to the first side. When the limiting member 19 is in the second working position, the limiting block 191 is located in the second limiting groove 182, and the limiting block 191 restricts the sliding member 18, so that the sliding member 18 can only move to the second side. Of the first side and the second side, one is the left side and the other is the right side. When the tool body 2 with the top block 24 is installed on the main body 1, the top block 24 can press the limiting member 19, so that the limiting member 19 is in the first working position or the second working position.

[0085] The limit member elastic reset member 10 is disposed between the main body 1 and the limit member 19, and is used to give the limit member 19 a tendency to move to the initial working position.

[0086] The reversing structure is used to cooperate with different tool bodies 2. When installing a tool body 2 that requires bidirectional rotation adjustment, the tool body 2 does not have a top block 24 or the top block 24 is very short. After installation, the limiting member 19 is still in the initial working position, and the sliding member 18 can move left and right. See Figure 19 When installing tool body 2, which requires unidirectional motor rotation, see... Figure 20 The length of the top block 24 of the tool body 2 can be adjusted to control the limiting member 19 in the first and second working positions. That is, this application can ensure that the limiting member 19 is in a working position that matches its own after the tool body 2 is installed, effectively preventing the operator from making incorrect adjustments.

[0087] In this embodiment, the length directions of the first limiting groove 181 and the second limiting groove 182 are both parallel to the moving direction of the slider 18.

[0088] In this embodiment, the width of the connection between the first limiting groove 181 and the second limiting groove 182 is greater than the outer diameter of the limiting block 191.

[0089] In this embodiment, the first limiting groove 181 and the second limiting groove 182 are Z-shaped.

[0090] like Figure 14 and 15 As shown, in this embodiment, the reversing switch 17 has a rocker arm 171 and a sliding member 18 has an embedding groove 183 for the rocker arm 171 to be embedded. When the operator controls the sliding member 18 to move left and right, it can drive the rocker arm 171 to swing left and right.

[0091] In practical applications, the limiting member elastic reset member 10 can be a spring, torsion spring, spring sheet or tension spring, and the locking member elastic reset member 13 can be a spring, torsion spring, spring sheet or tension spring.

[0092] The above description is only a preferred embodiment of the present utility model and does not limit the scope of patent protection of the present utility model. Any equivalent structural transformations made based on the content of the present utility model specification and drawings, whether directly or indirectly applied to other related technical fields, are similarly included within the scope of protection of the present utility model.

Claims

1. A reversing structure for an electric tool, the electric tool comprising a main body and a plurality of tool bodies detachably mounted on the main body, the main body having a motor drive mechanism and a reversing switch, the reversing structure comprising a sliding member slidably disposed on the main body, the sliding member cooperating with the reversing switch, wherein moving the sliding member left or right controls the reversing switch, thereby controlling the rotation direction of the motor of the motor drive mechanism, characterized in that, At least one tool body has a top block, and the reversing structure also includes: A first limiting groove is provided on the sliding member; The second limiting groove is provided on the sliding member and communicates with the first limiting groove; A limiting member is slidably disposed on the main body. The limiting member has a limiting block and has an initial working position, a first working position, and a second working position. When the limiting member is in the initial working position, the sliding member can move left and right. When the limiting member is in the first working position, the limiting block is located in the first limiting groove, and the limiting block restricts the sliding member, allowing it to move only to the first side. When the limiting member is in the second working position, the limiting block is located in the second limiting groove, and the limiting block restricts the sliding member, allowing it to move only to the second side. Of the first side and the second side, one is the left side and the other is the right side. When the tool body with the top block is installed on the main body, the top block can press the limiting member, causing the limiting member to be in the first working position or the second working position. The limit member elastic reset member is disposed between the main body and the limit member, and is used to give the limit member a tendency to move to the initial working position.

2. The reversing structure of the power tool as described in claim 1, characterized in that, The length directions of both the first and second limiting grooves are parallel to the moving direction of the sliding member.

3. The reversing structure of the power tool as described in claim 2, characterized in that, The width of the connection between the first limiting groove and the second limiting groove is greater than the outer diameter of the limiting block.

4. The reversing structure of the power tool as described in claim 3, characterized in that, The first and second limiting grooves are Z-shaped.

5. The reversing structure of the power tool as described in claim 1, characterized in that, The reversing switch has a rocker arm, and the sliding member has an embedding groove for the rocker arm to be inserted. When the operator controls the sliding member to move left and right, it can drive the rocker arm to swing left and right.

6. The reversing structure of the power tool as described in claim 1, characterized in that, The limiting component and elastic reset component are springs or sheet springs.

7. A power tool, characterized in that, The device includes a main body and multiple detachable tool bodies mounted on the main body. The main body has a motor drive mechanism and a reversing switch. At least one tool body has a top block. The device also includes a reversing structure of the power tool as described in any one of claims 1 to 6.

8. The power tool as claimed in claim 7, characterized in that, The main body has a mating groove, and one end of the tool body has an insertion section for inserting into the mating groove. The power tool also includes: A locking element is slidably disposed on the main body. The locking element has a first positioning block located within the docking groove. The locking element has an installation working position and a locking working position. A locking element elastic reset element is disposed between the main body and the locking element, which is used to give the locking element a tendency to move to the locking position; The second positioning block is disposed in the insertion section. When the locking member is in the installation working position, the first positioning block and the second positioning block are offset, and the insertion section can be inserted into the docking groove or pulled out of the docking groove. When the insertion section is inserted into the docking groove and the locking member is in the locking working position, the first positioning block and the corresponding second positioning block are no longer offset. The first positioning block can prevent the second positioning block from moving outward, thereby preventing the insertion section from being pulled out of the docking groove.

9. The power tool as claimed in claim 8, characterized in that, The first positioning block has a first sidewall close to the opening of the docking groove and a second sidewall facing away from the opening of the docking groove. The first sidewall is an inclined surface or an arc surface and serves as a guide. When the insertion segment is inserted into the docking groove, the second positioning block first contacts the first sidewall and drives the locking member to overcome the elastic force of the locking member's elastic reset member through the first sidewall, so that the locking member switches from the locking position to the installation position. When the insertion segment is inserted into place, the second positioning block no longer presses against the first positioning block. The first positioning block resets to the locking position under the action of the locking member's elastic reset member. At this time, the second sidewall of the first positioning block is used to cooperate with the second positioning block to prevent the second positioning block from disengaging from the docking groove.

10. The power tool as claimed in claim 8, characterized in that, Of the main body and the tool body, one has an anti-rotation groove and the other has an anti-rotation block. When the tool body is inserted into the main body, the anti-rotation block is embedded in the anti-rotation groove, which can prevent the tool body from rotating relative to the main body. The main body has an anti-sway component, and the insertion section has a hollow structure. When the insertion section is inserted into the mounting groove, the anti-sway component is embedded in the insertion section and contacts and cooperates with the inner wall of the insertion section.

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