Drill bit convenient to replace

Abstract

The utility model relates to the field of woodworking drill bits, in particular to a drill bit convenient to replace, and adopts the technical scheme that the drill bit comprises a machine body, a storage box and a drill bit body, a connecting column is fixedly mounted at the output end of a motor, a first spring is mounted in an opening of the machine body, and a second sliding rod is slidably mounted in an opening in the other side of the machine body; an end plate is fixedly installed at the end, away from the machine body, of the first sliding rod and the end, away from the machine body, of the second sliding rod, a clamping structure is installed in the middle of the end plate, and a locking structure is installed on the side, inserted into the second sliding rod, of the machine body. The second sliding rod pops up under the action of the first spring to drive the old drill bit to be separated from the connecting column, then the clamping structure is controlled to loosen the old drill bit, a new drill bit is clamped in the storage box, finally the end plate is pushed to drive the new drill bit to be inserted into the connecting column, meanwhile, the locking structure automatically locks the second sliding rod, and the effect of rapidly replacing the drill bit with one hand is achieved.

Description

Technical Field

[0001] The utility model relates to the field of woodworking drill bits, in particular to a drill bit that is easy to replace. Background Art

[0002] Wood drill bits are specialized tools for drilling wood. They have specific design features to create clean, precise holes in wood. Common wood drill bits include a spiral drill bit, whose spiral shape helps to remove cuttings from the hole. Their design effectively controls the heat and friction generated during drilling, making them suitable for drilling most types of wood.

[0003] The existing technology has the following shortcomings: when drilling in wood, especially hardwood or wood containing quartz, the drill bit is easily worn, and wood chips may make the drill bit blunt, resulting in uneven cutting. Therefore, the drill bit needs to be replaced frequently during carpentry construction. In the home improvement industry, carpenters usually work alone. Since the work of replacing the drill bit usually requires two hands, when carpenters stand at a high place or need one hand to stabilize the wooden board, they often encounter inconveniences in replacing the drill bit. At this time, putting down the work in hand to replace the drill bit will interrupt the workflow and greatly affect efficiency; if the drill bit is forcibly replaced with one hand, the risk of unstable operation may increase, resulting in increased safety risks in construction.

[0004] Therefore, it is necessary to invent a drill bit that is convenient to replace. Utility Model Content

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drill bit that is easy to replace, comprising a body, a storage box and a drill bit, wherein one end of the body is embedded with a motor, the output end of the motor is fixedly installed with a connecting column, the drill bit connecting end can be inserted into the connecting column, and the drill bit can be placed in the storage box, the four corners of the end of the body away from the motor are provided with openings, the first spring is installed in the opening of the body, the first slide rod is slidably installed in the opening on one side of the body, and the second slide rod is slidably installed in the opening on the other side of the body, the first slide rod and the second slide rod are fixedly installed at the end away from the body, the middle of the end plate is installed with a clamping structure, the clamping structure has the function of clamping the drill bit in the storage box, and the side of the body inserted into the second slide rod is installed with a locking structure, the locking structure has the function of controlling the second slide rod to pop out and lock the second slide rod.

[0006] Preferably, a circular hole is provided in the center of the end plate, a sliding groove is provided around the circular hole on the side of the end plate away from the machine body, and a first hanging plate is installed on one side of the end plate.

[0007] Preferably, the clamping structure includes a clamping plate, which is slidably installed in a slide groove. A hydraulic rod is installed on the side of the inner wall of the slide groove close to the central circular hole of the machine body, and the output end of the hydraulic rod is fixedly connected to the clamping plate.

[0008] Preferably, the first slide rod insertion end is fixedly connected to the first spring in the body opening, the second slide rod insertion end contacts one end of the first spring in the body opening, and the second slide rod insertion end is set as an inclined surface.

[0009] Preferably, the locking structure includes a card plate, which is slidably mounted on one side of the body close to the second slide rod, and a card slot is provided on the side of the second slide rod close to the card plate. A second spring is fixedly mounted on one end of the card plate, and the other end of the card plate can be inserted into the card slot of the second slide rod. The end of the card plate inserted into the second slide rod is set as an inclined surface, and a button is fixedly mounted on the middle part of the side of the card plate close to the second slide rod, and the button extends through to one side of the outer wall of the body.

[0010] Preferably, a hanging buckle is fixedly installed on one side of the storage box, and the hanging buckle is used to hang on the user's belt. A second hanging plate is installed on the lower end of the storage box away from the hanging buckle, and the second hanging plate can be engaged with the first hanging plate.

[0011] Preferably, a handle is provided on one side of the body, and two sets of triggers are provided on the handle, one set of triggers on the handle is electrically connected to the motor, and the other set of triggers on the handle is electrically connected to the hydraulic rod.

[0012] The beneficial effect of the present invention is that the storage box containing a large number of replacement drill bits is hung on the waist of the user. When the drill bit needs to be replaced, the clamping structure is activated to clamp the drill bit inserted into the connecting column, and then the unlocking locking structure is pressed to trigger. The second slide bar pops out under the action of the first spring, pushing the end plate to drive the old drill bit out of the connecting column, and then the clamping structure is controlled to release the old drill bit and clamp the new drill bit in the storage box. Finally, the end plate is pushed to drive the new drill bit to be inserted into the connecting column. At the same time, the locking structure automatically locks the second slide bar, so as to achieve the effect of quickly replacing the drill bit with one hand, thereby improving the safety of the replacement operation and greatly improving the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of a drill bit that is easy to replace provided by the utility model;

[0014] Figure 2 A schematic diagram of the structure of a drill head that is easy to replace provided by the utility model;

[0015] Figure 3 A cross-sectional view of a drill head that is easy to replace provided by the utility model;

[0016] Figure 4 A detailed diagram of the locking structure of a drill bit that is easy to replace provided by the utility model;

[0017] Figure 5 A schematic diagram of the connection between a drill bit and a connecting column of a drill bit that is easy to replace provided by the utility model;

[0018] Figure 6 An exploded view of a clamping structure for a drill bit that is easy to replace provided by the utility model.

[0019] In the figure: body 11, handle 12, motor 13, connecting column 14, first slide bar 15, end plate 16, slide groove 17, clamping plate 18, hydraulic rod 19, first spring 20, second slide bar 21, clamping plate 22, second spring 23, button 24, first hanging plate 25, second hanging plate 26, storage box 27, hanging buckle 28, drill bit 3. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention. Example 1

[0021] like Figure 1-Figure 3 and Figure 5 As shown, a drill bit that is easy to replace in the embodiment of the first aspect of the present invention includes a body 11, a storage box 27 and a drill bit 3. A motor 13 is embedded in one end of the body 11, and a connecting column 14 is fixedly installed at the output end of the motor 13. The connecting end of the drill bit 3 can be inserted into the connecting column 14. The drill bit 3 can be placed in the storage box 27. The four corners of the end of the body 11 away from the motor 13 are provided with openings. A first spring 20 is installed in the opening of the body. A hole is opened on one side of the body 11. A first slide bar 15 is installed for internal sliding movement, and a second slide bar 21 is installed for internal sliding movement in the opening on the other side of the body 11. An end plate 16 is fixedly installed on the end of the first slide bar 15 and the second slide bar 21 away from the body 11. A clamping structure is installed in the middle of the end plate 16, and the clamping structure has the function of clamping the drill bit 3 in the storage box 27. A locking structure is installed on the side of the body 11 inserted into the second slide bar 21, and the locking structure has the function of controlling the second slide bar 21 to pop out and lock the second slide bar 21.

[0022] In the above embodiment, it should be noted that the storage box 27 containing a large number of replacement drill bits 3 is hung around the user's waist. When the drill bit 3 needs to be replaced, the drill bit 3 inserted into the connecting column 14 is clamped by starting the clamping structure, and then the unlocking locking structure is triggered by pressing. The second slide bar 21 pops out under the action of the first spring 20, pushing the end plate 16 to drive the old drill bit 3 out of the connecting column 14, and then the clamping structure is controlled to release the old drill bit 3, and clamp the new drill bit 3 in the storage box 27, and finally push the end plate 16 to drive the new drill bit 3 to be inserted into the connecting column 14. At the same time, the locking structure automatically locks the second slide bar 21, so as to achieve the effect of quickly replacing the drill bit with one hand, thereby improving the safety of the replacement operation and greatly improving the construction efficiency; the first slide bar 15 plays the role of auxiliary sliding; by starting the motor 13 to drive the connecting column 14 to rotate, the drill bit 3 can be driven to rotate to complete the drilling work. Example 2

[0023] like Figure 1 、 Figure 5 and Figure 6 As shown, a drill bit that is easy to replace includes all the contents of Example 1. In addition, a circular hole is provided in the center of the end plate 16, and a slide groove 17 is provided around the circular hole on the side of the end plate 16 away from the body 11. A first hanging plate 25 is installed on one side of the end plate 16, and the clamping structure includes a splint 18, which is slidably installed in the slide groove 17. A hydraulic rod 19 is installed on the side of the inner wall of the slide groove 17 close to the central circular hole of the body 11, and the output end of the hydraulic rod 19 is fixedly connected to the splint 18.

[0024] In the above embodiment, it should be noted that the splint 18 is made of rubber, and the inner diameter of the circular hole set in the center of the end plate 16 is larger than the diameter of the drill bit 3. By putting the end plate 16 on the outside of the drill bit 3 and then starting the hydraulic rod 19 to push the splints 18 around the circular hole closer to each other, the effect of clamping the drill bit 3 is achieved. Example 3

[0025] like Figure 1-Figure 4 As shown, a drill bit that is easy to replace includes all the contents of Example 1. In addition, the insertion end of the first slide bar 15 is fixedly connected to the first spring 20 in the opening of the body 11, the insertion end of the second slide bar 21 contacts one end of the first spring 20 in the opening of the body 11, and the insertion end of the second slide bar 21 is set as an inclined surface. The locking structure includes a card plate 22, and the card plate 22 is slidably installed on a side of the body 11 close to the second slide bar 21. The second slide bar 21 is provided with a card groove on the side close to the card plate 22, and one end of the card plate 22 is fixedly installed with a second spring 23, and the other end of the card plate 22 can be inserted into the card groove of the second slide bar 21, and the end of the card plate 22 inserted into the second slide bar 21 is set as an inclined surface, and a button 24 is fixedly installed on the middle part of the side of the card plate 22 close to the second slide bar 21, and the button 24 extends through to one side of the outer wall of the body 11.

[0026] In the above embodiment, it should be noted that, in the process of pushing the second slide bar 21 into the opening of the body 11, the inclined surface of the insertion end of the second slide bar 21 will first squeeze the card plate 22 to slide to one side, and the second spring 23 will contract. When the second slide bar 21 is fully inserted into the opening of the body 11, the slot on the side of the second slide bar 21 moves to the side of the card plate 22, and the second spring 23 pushes the card plate 22 to insert into the slot of the second slide bar 21, so as to achieve the effect of locking the second slide bar 21. When unlocking is required, it is only necessary to press the button 24. The button 24 drives the card plate 22 to slide out of the slot of the second slide bar 21. At the same time, the first spring 20 pushes the second slide bar 21 to achieve the effect of popping out the second slide bar 21. When operating with one hand, the button 24 can be squeezed by the wall, the surface of the storage box 27 or the user's leg to quickly unlock the second slide bar 21. Example 4

[0027] like Figure 1 As shown, a drill bit that is easy to replace includes all the contents of Example 2. In addition, a hanging buckle 28 is fixedly installed on one side of the storage box 27, and the hanging buckle 28 has the function of hanging on the user's belt. A second hanging plate 26 is installed at the lower end of the side of the storage box 27 away from the hanging buckle 28, and the second hanging plate 26 can be connected with the first hanging plate 25 in an interlocking manner.

[0028] In the above embodiment, it should be noted that the storage box 27 is hung on the user's belt through the hook 28, and then the first hanging plate 25 is placed on the upper side of the second hanging plate 26, and the body 11 is pushed downward with one hand. At this time, the second hanging plate 26 is engaged with the first hanging plate 25 to achieve the effect of pushing the end plate 16 with one hand to drive the second slide rod 21 to insert into the opening of the body 11. Example 5

[0029] like Figure 2 As shown, a drill bit that is easy to replace includes all the contents of Example 2. In addition, a handle 12 is provided on one side of the body 11, and two sets of triggers are provided on the handle 12. One set of triggers on the handle 12 is electrically connected to the motor 13, and the other set of triggers on the handle 12 is electrically connected to the hydraulic rod 19.

[0030] In the above embodiment, it should be noted that the hydraulic rod 19 and the motor 13 are controlled to start and stop by pressing the trigger on the handle 12 .

[0031] The use process of the present utility model is as follows: a person skilled in the art hangs the storage box 27 containing a large number of replacement drill bits 3 on the waist of the user. When the drill bit 3 needs to be replaced, the trigger on the grip 12 is pressed to start the hydraulic rod 19 to push the clamping plates 18 around the circular hole to clamp the drill bit 3. Then, the button 24 is squeezed through the wall, the surface of the storage box 27 or the user's leg. The button 24 drives the clamping plate 22 to slide out of the second slide bar 21 slot. At the same time, the first spring 20 pushes the second slide bar 21, pushing the end plate 16 to drive the old drill bit 3 out of the connecting column 14. Then, the clamping plate 18 is controlled to release the old drill bit 3, and a new drill bit 3 is clamped in the storage box 27. The first hanging plate 24 is pressed. 25 is placed on the upper side of the second hanging plate 26, and the machine body 11 is pushed downward with one hand. At this time, the second hanging plate 26 is engaged with the first hanging plate 25, and the end plate 16 is pushed to drive the new drill bit 3 to be inserted into the connecting column 14. At the same time, the end plate 16 is pushed to drive the second slide bar 21 to insert into the opening of the machine body 11. The inclined surface of the insertion end of the second slide bar 21 will first squeeze the card plate 22 to slide to one side, and the second spring 23 contracts. When the second slide bar 21 is fully inserted into the opening of the machine body 11, the slot on the side of the second slide bar 21 moves to the side of the card plate 22, and the second spring 23 pushes the card plate 22 to insert into the slot of the second slide bar 21, locking the second slide bar 21, and thus completing the one-handed replacement of the drill bit 3.

[0032] The above description is merely a preferred embodiment of the present invention. Anyone skilled in the art may utilize the above-described technical solutions to modify the present invention or create equivalent technical solutions. Therefore, any simple modification or equivalent replacement based on the technical solutions of the present invention falls within the scope of protection claimed by the present invention.

Claims

1. A drill bit that is easy to replace, comprising a body (11), a storage box (27) and a drill bit (3), wherein a motor (13) is embedded in one end of the body (11), a connecting column (14) is fixedly installed at the output end of the motor (13), the connecting end of the drill bit (3) can be inserted into the connecting column (14), and the drill bit (3) can be placed in the storage box (27), characterized in that: The four corners of the end of the body (11) away from the motor (13) are provided with openings, and a first spring (20) is installed in the opening of the body. A first slide bar (15) is slidably installed in the opening on one side of the body (11), and a second slide bar (21) is slidably installed in the opening on the other side of the body (11). An end plate (16) is fixedly installed at the end of the first slide bar (15) and the second slide bar (21) away from the body (11). A clamping structure is installed in the middle of the end plate (16), and the clamping structure has the function of clamping the drill bit (3) in the storage box (27). A locking structure is installed on the side of the body (11) inserted into the second slide bar (21), and the locking structure has the function of controlling the second slide bar (21) to pop out and locking the second slide bar (21).

2. The easily replaceable drill bit according to claim 1, characterized in that: A circular hole is provided in the center of the end plate (16), and a sliding groove (17) is provided around the circular hole on the side of the end plate (16) away from the machine body (11). A first hanging plate (25) is installed on one side of the end plate (16).

3. The easily replaceable drill bit according to claim 2, characterized in that: The clamping structure includes a clamping plate (18), which is slidably installed in a slide groove (17). A hydraulic rod (19) is installed on the side of the inner wall of the slide groove (17) close to the central circular hole of the machine body (11), and the output end of the hydraulic rod (19) is fixedly connected to the clamping plate (18).

4. The easily replaceable drill bit according to claim 1, characterized in that: The insertion end of the first slide bar (15) is fixedly connected to the first spring (20) in the opening of the body (11), and the insertion end of the second slide bar (21) contacts one end of the first spring (20) in the opening of the body (11), and the insertion end of the second slide bar (21) is set as an inclined surface.

5. The easily replaceable drill bit according to claim 4, characterized in that: The locking structure includes a card plate (22), which is slidably mounted on a side of the machine body (11) close to the second slide bar (21), and a card slot is provided on a side of the second slide bar (21) close to the card plate (22). A second spring (23) is fixedly mounted on one end of the card plate (22), and the other end of the card plate (22) can be inserted into the card slot of the second slide bar (21). The end of the card plate (22) inserted into the second slide bar (21) is set as an inclined surface, and a button (24) is fixedly mounted on the middle part of the side of the card plate (22) close to the second slide bar (21), and the button (24) extends through and extends to one side of the outer wall of the machine body (11).

6. The easily replaceable drill bit according to claim 2, characterized in that: A hanging buckle (28) is fixedly mounted on one side of the storage box (27), and the hanging buckle (28) has the function of being hung on the user's belt. A second hanging plate (26) is mounted on the lower end of the side of the storage box (27) away from the hanging buckle (28), and the second hanging plate (26) can be engaged with the first hanging plate (25).

7. The easily replaceable drill bit according to claim 3, characterized in that: A handle (12) is provided on one side of the body (11), and two groups of triggers are provided on the handle (12). One group of triggers on the handle (12) is electrically connected to the motor (13), and the other group of triggers on the handle (12) is electrically connected to the hydraulic rod (19).

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