Novel automatic knife handle

Abstract

The utility model relates to the technical field of cutters, in particular to a novel automatic cutter handle which comprises a cutter handle body, a groove hole is formed in the inner side of the cutter handle body, a connecting rod is connected to the side face of the inner wall of the groove hole in a sliding mode, a cutter head is fixedly connected to one end of the connecting rod, an empty groove is formed in the inner side of the connecting rod, and a disassembling assembly is arranged in the groove hole. The dismounting assembly comprises an elastic metal sheet fixedly connected with the side face of the inner wall of the groove hole, the elastic metal sheet is obliquely arranged, and the outer side of the elastic metal sheet is fixedly connected with a clamping block. According to the pair of multifunctional gloves, the pressing block, the elastic metal sheet, the clamping block, the connecting rod and the empty groove are arranged in a matched mode, the connecting rod and the tool bit can be conveniently detached through one key, the tool bit can be detached and replaced without the need for the palm to make direct contact with the tool bit, and the situation that the tool bit damages the palm and the gloves and influences use is avoided; and resetting of the pressing block is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tool technical field, especially a novel automatic tool holder. BACKGROUND

[0002] In the dental implant operation process, preparation should be done in the early operation, and the preparation content includes clinic preparation, data preparation, preparation of various instruments and drugs. Dental implant operation belongs to dental surgery, and the scalpel is one of the most commonly used and indispensable instruments in surgical operation. Before implantation, the current scalpel is composed of two parts, one part is a scalpel blade, and the other part is a scalpel handle.

[0003] For the related technology in the above, the defects of the existing scalpel are that the installation and disassembly process of the existing scalpel is not convenient, the scalpel can be disassembled only by directly contacting the scalpel with the hand during the disassembly process, and the scalpel may cut the gloves of the doctor during the disassembly process. Therefore, the utility model provides a novel automatic tool holder. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide a novel automatic tool holder to solve the problems of the above background technology, that is, the installation and disassembly process of the existing scalpel is not convenient, the scalpel can be disassembled only by directly contacting the scalpel with the hand during the disassembly process, and the scalpel may cut the gloves of the doctor during the disassembly process.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a novel automatic tool holder, comprising a tool holder, a slot hole is formed in the inner side of the tool holder, a connecting rod is slidably connected to the inner wall side of the slot hole, a tool bit is fixedly connected to one end of the connecting rod, an empty slot is formed in the inner side of the connecting rod, and a disassembly assembly is arranged in the slot hole; the disassembly assembly comprises an elastic metal sheet fixedly connected to the inner wall side of the slot hole, the elastic metal sheet is arranged obliquely, a clamping block is fixedly connected to the outer side of the elastic metal sheet, an empty slot is formed in the outer side of the connecting rod and matched with the clamping block, and a pressing block is slidably connected to the inner wall side of the slot hole.

[0006] Preferably, a fixed block is fixedly connected to the inner wall bottom of the slot hole, a guide rod is fixedly connected to the side surface of the fixed block, and the guide rod penetrates the pressing block.

[0007] Preferably, a spring is sleeved on the outer side of the guide rod, and the two ends of the spring are fixedly connected to the side surfaces of the fixed block and the pressing block, respectively.

[0008] Preferably, a fixed rod is fixedly connected to the outer side of the tool holder, a sliding groove matched with the connecting rod is formed in the outer side of the fixed rod, and a plurality of grooves are formed in the outer side of the fixed rod.

[0009] Preferably, one end of the fixing rod is fixedly connected with a fixing plate, and one end of the fixing plate is fixedly connected with a positioning rod.

[0010] Preferably, the outer side of the cutter head is fixedly connected with a guide block, and the outer side of the positioning rod is provided with a guide groove matched with the guide block.

[0011] Preferably, the pressing block is made of rubber block, and the plurality of edges of the pressing block are arranged in arc surfaces.

[0012] In conclusion, the technical effects and advantages of the utility model are as follows:

[0013] 1. In the utility model, the pressing block, the elastic metal sheet, the clamping block, the connecting rod and the air slot are matched to facilitate the one-key disassembly of the connecting rod and the cutter head, the palm does not need to directly contact the cutter head, the cutter head can be disassembled and replaced, the damage of the cutter head to the palm and gloves is avoided, the use is affected, the spring and the guide rod are matched to facilitate the resetting of the pressing block.

[0014] 2. In the utility model, the pressing block is made of rubber block, the rubber material is soft and elastic, the plurality of edges of the pressing block are arranged in arc surfaces, the sharp edges are eliminated by the arc surfaces, the user is not pricked by the edges when touching and pressing, the plurality of grooves on the outer side of the fixing rod increase the friction force and prevent the accidental sliding of the contacted components. DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is a first perspective view of the utility model;

[0017] Figure 2 It is a second perspective view of the utility model;

[0018] Figure 3 It is a structure diagram of the elastic metal sheet and the clamping block in the utility model;

[0019] Figure 4 It is a structure diagram of the sliding groove and the slot hole in the utility model.

[0020] In the figure: 1, handle; 2, fixed rod; 3, groove; 4, tool bit; 5, connecting rod; 6, fixed plate; 7, guide block; 8, positioning rod; 9, guide slot; 10, empty slot; 11, elastic sheet; 12, clamping block; 13, fixed block; 14, guide rod; 15, spring; 16, pressing block; 17, sliding slot; 18, slot hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the description of the utility model, it should be noted that, unless explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense. For example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected. It can be mechanically connected, or electrically connected. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication between two elements. Those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0023] Embodiment one: reference Figures 1-4The novel automatic tool holder shown includes a tool holder 1, a slot hole 18 is opened on the inner side of the tool holder 1, the slot hole 18 is used to accommodate and install related components, and provides a mounting space for the internal structure of the tool holder, a connecting rod 5 is slidably connected to the inner wall side of the slot hole 18, so that the connecting rod 5 can smoothly move linearly in the slot hole 18, and this sliding connection mode ensures the stability and directionality of the movement of the connecting rod 5, so as to adjust the position of the subsequent tool head, one end of the connecting rod 5 is fixedly connected with a tool head 4, the tool head 4 is stably driven to work by the connecting rod 5, so that the tool head 4 can accurately perform cutting and other operations, a hollow groove 10 is opened on the inner side of the connecting rod 5, and the hollow groove 10 is used to cooperate with other components to play a clamping role; a disassembly assembly is arranged in the slot hole 18, so that the tool holder can be quickly disassembled, maintained or replaced with the tool head when needed, the disassembly assembly includes an elastic metal sheet 11 fixedly connected with the inner wall side of the slot hole 18, the elastic metal sheet 11 is arranged in an inclined manner, and the elastic metal sheet 11 can be elastically deformed by utilizing the inclination angle thereof when the connecting rod 5 is inserted into the slot hole 18 during installation, so as to facilitate assembly of components; meanwhile, the elastic potential energy of the elastic metal sheet 11 can be converted into clamping force on the connecting rod 5 during daily use, so that the connecting rod 5 is stably fixed in the slot hole 18, and displacement of the tool head 4 during work is prevented, the outer side of the elastic metal sheet 11 is fixedly connected with a clamping block 12, a hollow groove 10 matched with the clamping block 12 is opened on the outer side of the connecting rod 5, and the clamping block 12 and the hollow groove 10 are matched to realize close clamping of the tool holder and the connecting rod 5, so as to further enhance the stability of the overall structure and prevent the tool head 4 from accidentally falling off during work; a pressing block 16 is slidably connected to the inner wall side of the slot hole 18, the pressing block 16 can be manually operated by a user, and pressing the pressing block 16 can trigger subsequent disassembly actions, so as to facilitate artificial control of the disassembly process of the tool holder, a fixed block 13 is fixedly connected to the inner wall bottom of the slot hole 18, the fixed block 13 plays a role of fixing a basic component and provides a support point for other related components, a guide rod 14 is fixedly connected to the side surface of the fixed block 13, the guide rod 14 penetrates the pressing block 16, the guide rod 14 provides accurate guidance for sliding of the pressing block 16, so as to ensure that the pressing block 16 can only move linearly in the direction defined by the guide rod 14, avoid deviation or jamming during pressing, and enable the disassembly operation to be accurately and smoothly performed, a spring 15 is sleeved on the outer side of the guide rod 14, and the two ends of the spring 15 are fixedly connected with the side surfaces of the fixed block 13 and the pressing block 16, respectively, the spring 15 gives the pressing block 16 a certain outward thrust in the initial state, so that the pressing block 16 remains in the initial position, and the tool holder cannot be mistakenly touched to trigger the disassembly function during daily holding; when the tool holder needs to be disassembled, the pressing block 16 is pressed to overcome the elastic force of the spring 15, trigger related disassembly linkage, and the spring 15 can push the pressing block 16 back to the original position after the hand is released, so as to prepare for the next operation.

[0024] Embodiment two: refer to Figures 1-4, based on the same idea as in the above embodiment one, the outer side of the shank 1 is firmly fixed with the fixed rod 2, the fixed rod 2 plays a key role in connecting and auxiliary positioning, the sliding groove 17 matched with the connecting rod 5 is opened on the outer side of the fixed rod 2, which can accurately guide the sliding track of the connecting rod 5, ensure the smoothness and directionality of the movement of the connected components, avoid deviation or jamming, make the whole device more stable and efficient in the operation process, at the same time, the multiple grooves 3 on the outer side of the fixed rod 2 increase the friction force, prevent the accidental sliding of the contacted components, and enhance the stability of the overall structure; one end of the fixed rod 2 is stably connected with the fixed plate 6, the fixed plate 6 provides a solid support foundation for the subsequent components, ensures the accurate installation position of the related structure without deformation, one end of the fixed plate 6 is tightly fixed with the positioning rod 8, the positioning rod 8 is responsible for accurately limiting the position of the tool bit 4; the guide block 7 fixed on the outer side of the tool bit 4 is matched with the guide groove 9 opened on the outer side of the positioning rod 8, when the tool bit 4 is installed or adjusted, the guide block 7 slides along the guide groove 9, strictly restricts the displacement path of the tool bit 4, so that the tool bit 4 can quickly and accurately reach the predetermined working position, ensuring that the angle, height and other parameters of the tool bit 4 can accurately meet the needs every time, greatly improving the accuracy and convenience of use; the pressing block 16 is made of rubber block, which is soft and elastic, this feature makes it not only effectively transmit the pressing force when pressed, but also buffer the pressure, avoid the hard material causing discomfort or damage to the user's hand, the multiple edges of the pressing block 16 are arc-shaped, the arc surface eliminates the sharp edges, the user will not be pricked when pressing, the hand feeling is smooth and comfortable, further improving the operation experience, and in some operation scenes that need frequent pressing, the arc edge also reduces the possibility of accidental scratching and bumping of the surrounding components.

[0025] The utility working principle: press the pressing block 16 to extrude the elastic metal sheet 11, lift the elastic metal sheet 11, drive the clamping block 12 to move upward, release the clamping with the empty slot 10, release the clamping of the connecting rod 5, drag the connecting rod 5 to drive the tool bit 4 to slide out of the sliding groove 17, facilitate the disassembly of the connecting rod 5 and the tool bit 4, drag the new connecting rod 5 to slide into the sliding groove 17, the connecting rod 5 drives the tool bit 4 and the guide block 7 to slide into the guide groove 9, press the pressing block 16, make the elastic metal sheet 11 and the clamping block 12 lift, after the installation of the connecting rod 5 is completed, release the pressing block 16, the pressing block 16 is reset under the action of the spring 15, the elastic metal sheet 11 restores the shape to drive the clamping block 12 to clamp with the empty slot 10, limit and fix the connecting rod 5, facilitate the installation of the tool bit 4, and realize one-key disassembly.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A novel automatic tool holder, comprising a tool holder (1), characterized in that: The inner side of the handle (1) is provided with a slot (18), and a connecting rod (5) is slidably connected to the inner wall of the slot (18). One end of the connecting rod (5) is fixedly connected to the blade head (4). The inner side of the connecting rod (5) is provided with a hollow groove (10), and a disassembly component is provided in the slot (18). The disassembly assembly includes an elastic metal sheet (11) fixedly connected to the inner wall side of the slot (18), the elastic metal sheet (11) being inclined, a locking block (12) fixedly connected to the outer side of the elastic metal sheet (11), a slot (10) adapted to the locking block (12) being opened on the outer side of the connecting rod (5), and a pressing block (16) slidably connected to the inner wall side of the slot (18).

2. The novel automatic tool holder according to claim 1, characterized in that: A fixing block (13) is fixedly connected to the bottom of the inner wall of the slot (18), and a guide rod (14) is fixedly connected to the side of the fixing block (13). The guide rod (14) passes through the pressing block (16).

3. The novel automatic tool holder according to claim 2, characterized in that: A spring (15) is sleeved on the outside of the guide rod (14), and the two ends of the spring (15) are fixedly connected to the sides of the fixing block (13) and the pressing block (16), respectively.

4. The novel automatic tool holder according to claim 1, characterized in that: A fixing rod (2) is fixedly connected to the outside of the handle (1). A sliding groove (17) adapted to the connecting rod (5) is opened on the outside of the fixing rod (2). Multiple grooves (3) are opened on the outside of the fixing rod (2).

5. A novel automatic tool holder according to claim 4, characterized in that: One end of the fixing rod (2) is fixedly connected to a fixing plate (6), and one end of the fixing plate (6) is fixedly connected to a positioning rod (8).

6. A novel automatic tool holder according to claim 5, characterized in that: A guide block (7) is fixedly connected to the outside of the cutter head (4), and a guide groove (9) adapted to the guide block (7) is provided on the outside of the positioning rod (8).

7. A novel automatic tool holder according to claim 6, characterized in that: The pressing block (16) is made of rubber, and the multiple edges of the pressing block (16) are all arc-shaped.

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