Treatment hand tool

Abstract

The utility model discloses a treatment hand tool, which relates to the technical field of medical instruments and comprises a handle and a treatment head. The treatment head is detachably connected with the handle, one of the handle and the treatment head is provided with a first matching part, the other one of the handle and the treatment head is provided with an unlocking assembly and a second matching part, and the first matching part can move in the direction close to or away from the second matching part so as to achieve locking and unlocking of the handle and the treatment head; the unlocking assembly is in driving connection with the first matching part and can drive the first matching part to move in the direction away from the second matching part. According to the treatment hand tool, through the arrangement of the first matching part and the second matching part, detachable connection between the treatment head and the handle is achieved, a user can easily replace the treatment head, the requirements of different users for treatment heads with different functions are met, and through the arrangement of the unlocking assembly, the treatment head can be unlocked. And the treatment head and the handle are more labor-saving and convenient to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a therapeutic hand tool. Background Art

[0002] Most existing therapeutic handpieces have an integrated structure of a treatment head and a handle, or a structure in which the treatment head and the handle are locked by fasteners such as screws and bolts. The integrated therapeutic handpiece structure simplifies the assembly and operation process of the therapeutic handpiece to a certain extent, and the structure of locking the treatment head and the handle by fasteners can improve the connection strength between the treatment head and the handle.

[0003] However, the integrated handle and treatment head of this treatment handpiece are not removable, and the treatment head and handle are locked together by fasteners, making it inconvenient to remove the treatment head and handle. During treatment, the treatment head or handle may become damaged and require replacement, or a treatment head with a different function may need to be switched. This inconvenience in assembling and disassembling the treatment head and handle of existing treatment handpieces makes it difficult to meet the different treatment needs of users and is inconvenient for users to use and maintain. Utility Model Content

[0004] The main purpose of the utility model is to provide a therapeutic handpiece, which aims to solve the problem that the existing therapeutic handpieces are difficult to disassemble and assemble, resulting in difficulty in meeting the different treatment needs of users and inconvenience in the use and maintenance of the therapeutic handpiece.

[0005] To achieve the above objectives, the present invention provides a therapeutic handpiece, comprising a handle and a treatment head; the treatment head is detachably connected to the handle, a first mating portion is provided on one of the handle and the treatment head, and an unlocking assembly and a second mating portion are provided on the other of the handle and the treatment head; the first mating portion can be moved in a direction toward or away from the second mating portion to achieve locking and unlocking of the handle and the treatment head;

[0006] The unlocking assembly is drivingly connected to the first mating portion, and the unlocking assembly can drive the first mating portion to move in a direction away from the second mating portion.

[0007] In one embodiment of the present invention, the therapeutic hand tool further includes a first elastic member, the first matching portion is provided on the treatment head and is slidably connected to the treatment head, the first elastic member is respectively connected to the treatment head and the first matching portion, and is used to reset the first matching portion after movement.

[0008] In one embodiment of the present invention, the first matching portion includes a card block, and the second matching portion includes a card slot;

[0009] The clamping block is at least partially clamped into the clamping slot to lock the treatment head and the handle;

[0010] The unlocking component is pressed to drive the locking block to separate from the locking slot, thereby unlocking the treatment head and the handle.

[0011] In one embodiment of the present invention, a limiting groove is provided on the end face of the treatment head, a limiting block is protruded from one side of the first matching portion toward the treatment head, the first elastic member presses against the first matching portion, and the limiting block is slidably limited in the limiting groove so that the first matching portion is slidably connected to the treatment head.

[0012] In one embodiment of the present invention, a first step is formed on the side of the first matching portion facing away from the limit block, and a second step is formed on the end of the treatment head. The first step is at least partially embedded in the second step and is plugged into and matched with the second step. A limiting hole is provided on the first step, and one end of the first elastic member is inserted into the limiting hole, and the other end abuts against the second step.

[0013] In one embodiment of the present invention, the unlocking assembly includes an unlocking member and a second elastic member;

[0014] The unlocking member is movably mounted on the handle and abuts against the first matching portion, and two ends of the second elastic member are respectively connected to the unlocking member and the handle;

[0015] Pressing the unlocking member compresses the second elastic member and drives the first matching portion to move, so that the first matching portion is separated from the second matching portion;

[0016] When the unlocking member is released, the second elastic member drives the unlocking member to reset.

[0017] In one embodiment of the present invention, the surfaces where the unlocking member contacts the first matching portion are both inclined surfaces.

[0018] In one embodiment of the present invention, the unlocking member includes a button and an unlocking block. A button hole is opened on the surface of the handle. The button is movably arranged in the handle. One end of the button is connected to the second elastic member, and the other end is exposed in the button hole. One end of the unlocking block is detachably connected to the button, and the other end abuts against the first matching portion.

[0019] In one embodiment of the present invention, the handle further comprises a transmission shaft and a bearing bracket;

[0020] The transmission shaft is used to drive the transducer connected to the treatment head, the bearing bracket is sleeved on the outside of the transmission shaft, and the end of the second elastic member facing away from the unlocking member abuts against the bearing bracket;

[0021] And / or, two second elastic members are provided between the unlocking member and the handle, and the two second elastic members are spaced apart along a pressing direction perpendicular to the unlocking member.

[0022] In one embodiment of the present invention, a positioning post is provided on the surface of the treatment head, and a positioning groove is provided on the surface of the handle. The positioning post is inserted into the positioning groove to guide the detachable connection between the treatment head and the handle.

[0023] The present utility model proposes a therapeutic handpiece, which includes a therapeutic head and a handle, wherein the therapeutic head and the handle are detachably connected, a first mating portion is provided on one of the handle and the therapeutic head, and an unlocking component and a second mating portion are provided on the other of the handle and the therapeutic head. The first mating portion can be moved in a direction close to or away from the second mating portion to achieve locking and unlocking of the handle and the therapeutic head. The present application drives the unlocking component to connect with the first mating portion, and drives the first mating portion to move in a direction away from the second mating portion through the unlocking component to achieve unlocking and separation of the therapeutic head and the handle. The above design realizes a detachable connection between the therapeutic head and the handle, allowing users to easily replace the therapeutic head, meeting the needs of different users for therapeutic heads with different functions, and the provision of the unlocking component makes the disassembly of the therapeutic head and the handle more labor-saving and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0025] Figure 1 A schematic diagram of the structure of the therapeutic handpiece provided by the utility model;

[0026] Figure 2 for Figure 1 A schematic structural diagram of the treatment head in the treatment handpiece shown;

[0027] Figure 3 for Figure 1 A schematic diagram of the structure of the handle and unlocking assembly in the therapeutic handpiece shown;

[0028] Figure 4 for Figure 3 Exploded diagram;

[0029] Figure 5 for Figure 3 Schematic diagram of the internal structure of the middle handle;

[0030] Figure 6 for Figure 5 A partial enlarged schematic diagram at point A;

[0031] Figure 7 for Figure 1 A schematic diagram of the structure of the clamping block, unlocking assembly and bearing bracket in the therapeutic handpiece shown;

[0032] Figure 8 This is a structural diagram of the first matching part of the therapeutic handpiece of the present utility model.

[0033] Description of Figure Numbers:

[0034] 1. Therapeutic handpiece; 10. Therapeutic head; 11. First shell; 111. Limiting groove; 112. Second step; 113. Positioning column; 12. First matching portion; 121. Matching groove; 122. Block; 123. Limiting block; 124. First step; 125. Limiting hole; 126. Inclined surface; 20. Handle; 21. Second shell; 211. Mounting groove; 211a. Decompression groove; 211b. Positioning groove; 212. Button hole; 22. Second matching portion; 23. Drive shaft; 24. Bearing bracket; 30. Unlocking assembly; 31. Unlocking member; 311. Button; 312. Unlocking block; 32. Second elastic member; 40. First elastic member.

[0035] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope of protection of the present invention.

[0037] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0038] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0039] The utility model provides a therapeutic hand tool 1.

[0040] Combine Figures 1 to 4 As shown, in one embodiment of the present invention, the therapeutic handpiece 1 includes a handle 20 and a treatment head 10; the treatment head 10 is detachably connected to the handle 20, and a first matching portion 12 is provided on one of the handle 20 and the treatment head 10, and an unlocking component 30 and a second matching portion 22 are provided on the other of the handle 20 and the treatment head 10. The first matching portion 12 can be moved in a direction close to or away from the second matching portion 22 to achieve locking and unlocking of the handle 20 and the treatment head 10; wherein the unlocking component 30 is drivingly connected to the first matching portion 12, and the unlocking component 30 can drive the first matching portion 12 to move in a direction away from the second matching portion 22.

[0041] In this embodiment, the treatment head 10 includes a first housing 11 and a transducer assembly and various connecting components disposed within the first housing 11. The handle 20 includes a second housing 21 and a drive assembly and various connecting components disposed within the second housing 21. The second housing 21 includes a gripping section and a connecting section. The gripping section is ergonomically designed for easy gripping, and the connecting section is configured to be detachably connected to the first housing 11 of the treatment head 10. In this application, a first mating portion 12 and a second mating portion 22 are disposed on the handle 20 and the treatment head 10, respectively, and the mating of the first mating portion 12 and the second mating portion 22 achieves locking and unlocking of the treatment head 10 and the handle 20. The first mating portion 12 and the second mating portion 22 can respectively be a snap-fit ​​structure between a block 122 and a slot, a threaded connection structure between a threaded connector and a threaded hole, or an interference fit structure between a plug and a socket. The unlocking assembly 30 is mounted on the handle 20 or the treatment head 10 and is drivingly connected to the first mating portion 12. The unlocking assembly 30 can unlock the handle 20 and the treatment head 10 by pushing, pressing, or rotating. When the treatment head 10 needs to be replaced, the unlocking assembly 30 drives the first mating portion 12 away from the second mating portion 22, thereby separating the handle 20 from the treatment head 10.

[0042] The present application realizes a detachable connection between the treatment head 10 and the handle 20 through the above-mentioned design, so that the user can easily replace the treatment head 10, meeting the needs of different users for treatment heads 10 with different functions, and through the setting of the unlocking component 30, the disassembly of the treatment head 10 and the handle 20 is more labor-saving and convenient.

[0043] Combine Figure 1 and Figure 2 As shown, in one embodiment of the present invention, the therapeutic handpiece 1 further includes a first elastic member 40, the first matching portion 12 is provided on the treatment head 10, and is slidably connected to the treatment head 10, the first elastic member 40 is respectively connected to the treatment head 10 and the first matching portion 12, and is used to reset the first matching portion 12 after movement.

[0044] In this embodiment, the first elastic member 40 can be a spring and made of stainless steel or highly elastic plastic to ensure elasticity and durability. The first mating portion 12 is slidably connected to the treatment head 10. Specifically, a slide rail can be provided on one of the surfaces of the treatment head 10 or the first mating portion 12, and a slide groove can be provided on the other. The slide rail and the slide groove cooperate to achieve the sliding connection between the first mating portion 12 and the treatment head 10. Alternatively, the mating surface of the first mating portion 12 and the treatment head 10 can be smooth, and the sliding connection can be achieved through the smooth surface between the two.

[0045] The spring connects the treatment head 10 and the first mating portion 12. When the treatment head 10 and the handle 20 are installed, the spring presses against the first mating portion 12, forcing the first mating portion 12 to move toward the second mating portion 22 and tightly engage with the second mating portion 22, thereby enhancing the stability of the connection between the handle 20 and the treatment head 10. Furthermore, when the treatment head 10 and the handle 20 are disassembled, the first mating portion 12 can be quickly reset under the elastic force of the spring, facilitating subsequent reassembly of the treatment head 10 and the handle 20.

[0046] Combine Figure 2 and Figure 3 As shown, in one embodiment of the present invention, the first mating portion 12 includes a card block 122, and the second mating portion 22 includes a card slot; the card block 122 is at least partially inserted into the card slot to lock the treatment head 10 and the handle 20; the unlocking component 30 is pressed to drive the card block 122 to separate from the card slot to unlock the treatment head 10 and the handle 20.

[0047] In this embodiment, the first mating portion 12 is provided on the end surface of the treatment head 10 facing the handle 20, and the latching block 122 protrudes from the circumference of the treatment head 10. A mounting groove 211 is recessed into the end surface of the handle 20 facing the treatment head 10, with the latching groove defined within the wall of the mounting groove 211. The shape of the mounting groove 211 matches the end of the treatment head 10. When the treatment head 10 and the handle 20 are assembled, the end of the treatment head 10, with the first mating portion 12 mounted thereon, is inserted into the mounting groove 211. The sidewalls of the mounting groove 211 then press against the latching block 122, forcing it to move radially along the treatment head 10 and compressing the first elastic member 40. When the latching block 122 reaches the latching groove, it is moved by the elastic force of the first elastic member 40 and latched into the latching groove, thereby securing the treatment head 10 to the handle 20. The dimensions of the latching groove can be slightly larger than those of the latching block 122 to ensure smooth insertion and removal. When the treatment head 10 needs to be disassembled, the unlocking assembly 30 is pressed to drive the locking block 122 to separate from the locking slot, and then the treatment head 10 is pulled out of the installation slot 211 to complete the disassembly of the treatment head 10 and the handle 20.

[0048] Furthermore, a pressure-reducing groove 211a is provided on the sidewall of the mounting slot 211. The pressure-reducing groove 211a is located on one side of the clamping slot near the notch of the mounting slot 211 and is spaced apart from the clamping slot along the insertion direction of the treatment head 10. The pressure-reducing groove 211a extends to the notch of the mounting slot 211. Therefore, during assembly and disassembly of the treatment head 10 and the handle 20, the clamping block 122 can first be inserted into the pressure-reducing groove 211a and then pass through the pressure-reducing groove 211a into the clamping slot. The pressure-reducing groove 211a effectively buffers the elastic force of the first elastic member 40 and reduces the friction between the clamping block 122 and the inner wall of the handle 20, thereby increasing the service life of the clamping block 122 and facilitating assembly and disassembly of the treatment head 10 and the handle 20.

[0049] Combine Figure 2 and Figure 8 As shown, in one embodiment of the present invention, a limiting groove 111 is provided on the end surface of the treatment head 10, and a limiting block 123 is protruded from the side of the first matching portion 12 facing the treatment head 10. The first elastic member 40 presses against the first matching portion 12, and the limiting block 123 is slidably limited in the limiting groove 111, so that the first matching portion 12 is slidably connected to the treatment head 10.

[0050] In this embodiment, the limiting groove 111 can be designed as a long strip-shaped groove parallel to the end face of the treatment head 10, with a size larger than that of the limiting block 123, and extending in the radial direction of the treatment head 10 to ensure that the limiting block 123 can slide freely in the limiting groove 111. The limiting block 123 can be made of high-strength engineering plastic or metal to ensure its wear resistance and stability. The side of the limiting block 123 facing the compression first elastic member 40 is an inclined surface 126, and the other side opposite thereto is a right-angled surface, so that the limiting block 123 can stably abut against the groove wall of the limiting groove 111 under the elastic force of the first elastic member 40. Furthermore, the first matching portion 12 is provided with two limiting blocks 123, and the end face of the treatment head 10 is provided with two limiting grooves 111, and each limiting block 123 is limited in a limiting groove 111.

[0051] Combine Figure 2 As shown, in one embodiment of the present invention, a first step 124 is formed on the side of the first matching portion 12 away from the limit block 123, and a second step 112 is formed at the end of the treatment head 10. The first step 124 is at least partially embedded in the second step 112 and is plugged into and matched with the second step 112. The first step 124 is provided with a limiting hole 125, and one end of the first elastic member 40 is inserted into the limiting hole 125, and the other end is in contact with the second step 112.

[0052] In this embodiment, the first step 124 can be designed as a protrusion parallel to the end surface of the treatment head 10, while the second step 112 is designed as a groove parallel to the end surface of the treatment head 10. Its dimensions match those of the first step 124, so that the protrusion of the first step 124 fits within the groove of the second step 112, thereby enabling the treatment head 10 to limit the first mating portion 12 in the axial direction of the treatment head 10. The limiting groove 111 and limiting block 123 provided in combination with the above-mentioned embodiment enable the treatment head 10 to limit the first mating portion 12 in both the horizontal and vertical directions, thereby improving the stability of the connection between the treatment head 10 and the first mating portion 12.

[0053] Furthermore, one end of the first elastic member 40 is inserted into the limiting hole 125 to improve the stability of the first elastic member 40 during deformation. Similarly, another limiting hole 125 can be provided at the end of the treatment head 10, and the other end of the first elastic member 40 is also inserted into the limiting hole 125.

[0054] Combine Figures 4 to 7 As shown, in one embodiment of the present invention, the unlocking assembly 30 includes an unlocking member 31 and a second elastic member 32; the unlocking member 31 is movably mounted on the handle 20 and abuts against the first matching portion 12, and the two ends of the second elastic member 32 are respectively connected to the unlocking member 31 and the handle 20; when the unlocking member 31 is pressed, the unlocking member 31 compresses the second elastic member 32 and drives the first matching portion 12 to move, so that the first matching portion 12 is separated from the second matching portion 22; when the unlocking member 31 is released, the second elastic member 32 drives the unlocking member 31 to reset.

[0055] In this embodiment, the second elastic member 32 can be a spring or a highly elastic plastic support, providing a stable elastic force to reset the unlocking member 31. The surface of the unlocking member 31 can be designed with a non-slip texture to increase friction during user operation. The unlocking member 31 can be located on either the treatment head 10 or the handle 20, and at least partially exposed on the outer surface of the treatment handpiece 1. The user can compress the second elastic member 32 by pressing, thereby moving the unlocking member 31, improving the ease of operation of the unlocking assembly 30.

[0056] Combine Figures 3 to 7 As shown, in one embodiment of the present invention, the unlocking member 31 includes a button 311 and an unlocking block 312. A button hole 212 is opened on the surface of the handle 20. The button 311 is movably arranged in the handle 20. One end of the button 311 is connected to the second elastic member 32, and the other end is exposed in the button hole 212. One end of the unlocking block 312 is detachably connected to the button 311, and the other end abuts against the first matching portion 12.

[0057] In this embodiment, a mounting hole is provided on one side of the handle 20 to facilitate the user's pressing of the button 311. The button 311 and the unlocking block 312 can be connected by means of a threaded connection, a snap connection, a plug-in connection, or a connector. For example, threaded holes are provided on the surfaces of both the button 311 and the unlocking block 312, and the button 311 and the unlocking block 312 are detachably connected by bolts, facilitating user replacement or maintenance.

[0058] The second elastic member 32 is a spring. A latch is provided on one end of the button 311 away from the button hole 212. One end of the spring is sleeved on the latch and the other end abuts against the handle 20 to improve the stability of the spring during deformation.

[0059] The button 311 is provided in the handle 20, and a connection hole is provided on the end surface of the handle 20 facing the treatment head 10. The unlocking block 312 at least partially passes through the connection hole and abuts against the first matching portion 12. Figure 3 As shown, a connecting hole is formed in the bottom wall of the mounting slot 211. When the end of the treatment head 10 is inserted into the mounting slot 211 and the locking block 122 of the first mating portion 12 is engaged with the locking slot, one end of the unlocking block 312 extends out of the connecting hole and abuts against the surface of the first mating portion 12. At this time, pressing the button 311 causes the button 311 to move radially of the treatment head 10, driving the unlocking block 312 to move the first mating portion 12 radially of the treatment head 10, thereby unlocking the first mating portion 12 and the second mating portion 22.

[0060] Furthermore, a mating groove 121 is provided on the surface of the first mating portion 12, and the other end of the unlocking block 312 is inserted into the mating groove 121 and abuts against the side wall of the mating groove 121 to increase the contact area between the unlocking block 312 and the first mating portion 12 along the pressing direction of the button 311, thereby improving the stability of the therapeutic handpiece 1 when unlocking.

[0061] Combine Figure 2 and Figure 7 As shown, in one embodiment of the present invention, the surfaces where the unlocking member 31 contacts the first mating portion 12 are both inclined surfaces 126. That is, the surfaces where the unlocking block 312 contacts the sidewalls of the mating groove 121 are inclined surfaces 126. Inclined surfaces 126 are arranged in an angled manner toward the central axis of the treatment head 10. The design of inclined surfaces 126 can alleviate the stress concentration problem between the unlocking block 312 and the first mating portion 12, thereby making the unlocking process smoother and reducing friction during unlocking. The inclination angle of inclined surfaces 126 can be optimized based on the dimensions of the unlocking block 312 and the first mating portion 12 to ensure that the unlocking member 31 can smoothly push the first mating portion 12 when pressed. Inclined surfaces 126 can be hardened, such as by chrome plating or nitriding, to improve their wear resistance and corrosion resistance.

[0062] Combine Figures 4 to 7 As shown, in one embodiment of the present invention, the handle 20 further includes a transmission shaft 23 and a bearing bracket 24;

[0063] The transmission shaft 23 is used to drive the transducer connected to the treatment head 10. The bearing bracket 24 is sleeved on the outside of the transmission shaft 23. The end of the second elastic member 32 facing away from the unlocking member 31 abuts against the bearing bracket 24.

[0064] And / or, two second elastic members 32 are provided between the unlocking member 31 and the handle 20 , and the two second elastic members 32 are spaced apart along a pressing direction perpendicular to the unlocking member 31 .

[0065] In this embodiment, the transmission shaft 23 and the bearing bracket 24 are both disposed within the second housing 21. One end of the transmission shaft 23 is connected to the drive mechanism, and the other end is used to drive the transducer within the treatment head 10 to adjust the transducer's focal length. The drive mechanism drives the transmission shaft 23 to rotate relative to the second housing 21. Therefore, the bearing bracket 24 is disposed within the second housing 21. The bearing bracket 24 is sleeved around the outer periphery of the transmission shaft 23 and secured to the inner wall of the second housing 21 around its periphery, thereby ensuring that the transmission shaft 23 is fixedly and rotatably disposed within the second housing 21.

[0066] The end of the second elastic member 32 facing away from the unlocking member 31 abuts against the bearing bracket 24, allowing the bearing bracket 24 to simultaneously mount the transmission shaft 23 and support the second elastic member 32, thereby improving the structural integration. Furthermore, a spring hole or latch is defined on the side of the bearing bracket 24 facing the button 311. If the second elastic member 32 is a spring, the end of the spring facing away from the button 311 is secured to the spring hole or latch to improve the stability of the spring during deformation.

[0067] Furthermore, at least two first mating portions 12 and second mating portions 22 are provided, respectively disposed around the periphery of the treatment head 10 and the handle 20. Each first mating portion 12 mates with a second mating portion 22 to enhance the stability of the connection between the treatment head 10 and the handle 20. Multiple unlocking assemblies 30 are also provided, each of which drives a corresponding first mating portion 12 to separate from a second mating portion 22.

[0068] In the case where the second elastic member 32 is limited or not to abut against the bearing bracket 24, the present application provides two second elastic members 32 between the unlocking member 31 and the handle 20 to improve the stability of the unlocking member 31 when it is pressed and moved. The two second elastic members 32 can be arranged symmetrically to ensure that the unlocking member 31 is evenly stressed when pressed.

[0069] Combine Figure 2 and Figure 3 As shown, in one embodiment of the present invention, a positioning column 113 is provided on the surface of the treatment head 10, and a positioning groove 211b is opened on the surface of the handle 20. The positioning column 113 is inserted into the positioning groove 211b to guide the treatment head 10 and the handle 20 to be detachably connected.

[0070] In this embodiment, the positioning post 113 can be designed to be cylindrical or square, and its dimensions can match the dimensions of the positioning slot 211b to ensure that the positioning post 113 can be smoothly inserted into the positioning slot 211b. The top of the positioning post 113 can be designed to be conical or spherical to facilitate insertion into the positioning slot 211b. Furthermore, at least two positioning posts 113 and two positioning slots 211b are provided, respectively, and are arranged around the sides of the treatment head 10 and the handle 20. Each positioning post 113 is inserted into a positioning slot 211b, further improving the convenience and efficiency of assembly and disassembly of the treatment head 10 and the handle 20.

[0071] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A therapeutic hand tool, characterized in that: include: handle; a treatment head, the treatment head being detachably connected to the handle, a first mating portion being provided on one of the handle and the treatment head, and an unlocking assembly and a second mating portion being provided on the other of the handle and the treatment head, the first mating portion being movable toward or away from the second mating portion to achieve locking and unlocking of the handle and the treatment head; The unlocking assembly is drivingly connected to the first mating portion, and the unlocking assembly can drive the first mating portion to move in a direction away from the second mating portion.

2. The therapeutic handpiece according to claim 1, characterized in that The therapeutic hand tool further includes a first elastic member. The first matching portion is provided on the therapeutic head and is slidably connected to the therapeutic head. The first elastic member is respectively connected to the therapeutic head and the first matching portion and is used for resetting the first matching portion after movement.

3. The therapeutic handpiece according to claim 2, characterized in that: The first matching portion includes a card block, and the second matching portion includes a card slot; The clamping block is at least partially clamped into the clamping slot to lock the treatment head and the handle; The unlocking component is pressed to drive the locking block to separate from the locking slot, thereby unlocking the treatment head and the handle.

4. The therapeutic handpiece according to claim 2, characterized in that: A limiting groove is provided on the end surface of the treatment head, a limiting block is protruded from one side of the first matching portion facing the treatment head, the first elastic member presses against the first matching portion, and the limiting block is slidably limited in the limiting groove, so that the first matching portion is slidably connected to the treatment head.

5. The therapeutic handpiece according to claim 4, characterized in that: A first step is formed on the side of the first matching portion facing away from the limit block, and a second step is formed on the end of the treatment head. The first step is at least partially embedded in the second step and is plugged into and matched with the second step. A limiting hole is provided on the first step, and one end of the first elastic member is inserted into the limiting hole, and the other end abuts against the second step.

6. The therapeutic handpiece according to any one of claims 1 to 5, characterized in that: The unlocking assembly includes an unlocking member and a second elastic member; The unlocking member is movably mounted on the handle and abuts against the first matching portion, and two ends of the second elastic member are respectively connected to the unlocking member and the handle; Pressing the unlocking member compresses the second elastic member and drives the first matching portion to move, so that the first matching portion is separated from the second matching portion; When the unlocking member is released, the second elastic member drives the unlocking member to reset.

7. The therapeutic handpiece according to claim 6, characterized in that: The surfaces of the unlocking member abutting against the first matching portion are both inclined surfaces.

8. The therapeutic handpiece according to claim 6, wherein: The unlocking member includes a button and an unlocking block. A button hole is opened on the surface of the handle. The button is movably arranged in the handle. One end of the button is connected to the second elastic member, and the other end is exposed in the button hole. One end of the unlocking block is detachably connected to the button, and the other end abuts against the first matching part.

9. The therapeutic handpiece according to claim 6, wherein: The handle also includes a transmission shaft and a bearing bracket; The transmission shaft is used to drive the transducer connected to the treatment head, the bearing bracket is sleeved on the outside of the transmission shaft, and the end of the second elastic member facing away from the unlocking member abuts against the bearing bracket; And / or, two second elastic members are provided between the unlocking member and the handle, and the two second elastic members are spaced apart along a pressing direction perpendicular to the unlocking member.

10. The therapeutic handpiece according to any one of claims 1 to 5, characterized in that: A positioning column is provided on the surface of the treatment head, and a positioning groove is provided on the surface of the handle. The positioning column is inserted into the positioning groove to guide the treatment head and the handle to be detachably connected.

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