Lengthened twist drill convenient to install

Abstract

The utility model relates to the technical field of lengthened twist drills, and discloses a lengthened twist drill convenient to install, which comprises a connecting column, the left end and the right end of the connecting column are respectively provided with two square openings, and the left end and the right end of the connecting column are respectively provided with a pressing assembly. Two first springs are fixedly connected to the sides, close to each other, of the front ends and the rear ends of the two pressing assemblies, fixing plates are slidably connected to the inner walls of the pressing assemblies, connecting columns are fixedly connected to the bottom sides of the two fixing plates, fixing columns are fixedly connected to the bottom sides of the connecting columns, and fixing rods are fixedly connected to the left ends and the right ends of the fixing columns; sliding assemblies are arranged outside the two fixing rods. According to the twist drill column mounting device, the button slides in a reset mode under the reset force of the first spring and then is clamped with the fixing plate, so that the twist drill column is mounted, a drill bit is convenient to replace, and then the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lengthened twist drills, in particular to a lengthened twist drill which is easy to install. Background Art

[0002] The extended twist drill is a twist drill with a longer drill body, usually used for deep hole processing. It has a straight flute design, which helps to discharge debris and reduce friction heat, improving drilling efficiency. The extended drill body enhances the stability of the drill bit, enabling it to drill accurately and avoid deviation.

[0003] In the prior art, most of the extended twist drills are installed through Morse taper shanks. Although they can provide a more stable connection, they are relatively large in size and weight, require high skills from the operator, and take a long time to replace the drill bit, which reduces work efficiency. Therefore, in view of the above shortcomings, an extended twist drill that is easy to install is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an easy-to-install lengthened twist drill, aiming to improve the problems of the prior art that the operation of installing the lengthened twist drill is complicated, time-consuming and labor-intensive.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A lengthened twist drill that is easy to install, comprises a connecting column, two square openings are provided at the left and right ends of the connecting column, pressing assemblies are provided at the left and right ends of the connecting column, two springs are fixedly connected to the sides close to the front and rear ends of the two pressing assemblies, the inner wall of the pressing assembly is slidably connected with a fixing plate, the bottom sides of the two fixing plates are fixedly connected with a connecting column, the bottom side of the connecting column is fixedly connected with a fixing column, the left and right ends of the fixing column are fixedly connected with a fixing rod, the outside of the two fixing rods is provided with a sliding assembly, the bottom side of the sliding assembly is fixedly connected with a buffer plate, and the bottom side of the buffer plate is fixedly connected with a twist drill column.

[0007] As a further description of the above technical solution:

[0008] The two pressing assemblies each include a button, the outsides of the two buttons are respectively slidably connected to the inner walls of the left and right ends of the connecting column, a trapezoidal opening is provided inside the button, and side panels are fixedly connected to the front and rear sides of the button.

[0009] As a further description of the above technical solution:

[0010] The outer parts of the plurality of side plates are respectively slidably connected to the inner walls of the left and right ends of the connecting column, and the adjacent sides of the plurality of side plates are respectively fixedly connected to the distant side of the spring one.

[0011] As a further description of the above technical solution:

[0012] The interior of the button is slidably connected to the exterior of the fixing plate, and the interior of the trapezoidal opening is slidably connected to the exterior of the fixing plate.

[0013] As a further description of the above technical solution:

[0014] The exteriors of the two fixing plates are both slidably connected to the inner walls of the connecting pillars, and the exteriors of the connecting pillars are slidably connected to the inner walls of the connecting pillars.

[0015] As a further description of the above technical solution:

[0016] The sliding assembly comprises a circular plate, the left and right ends of which are respectively slidably connected to the outside of the two fixing rods, and the outside of the fixing rods is sleeved with a second spring.

[0017] As a further description of the above technical solution:

[0018] The bottom sides of the two springs are respectively fixedly connected to the left and right ends of the top side of the circular plate, and the outside of the circular plate is slidably connected to the inner wall of the fixed column.

[0019] As a further description of the above technical solution:

[0020] The outside of the buffer tray is slidably connected to the inner wall of the fixing column, and the top sides of the two springs are fixedly connected to the top side of the inner wall of the fixing column.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, a force in the reverse direction is applied to the button, and then the notch of the fixed plate slides to be level with the button. At this time, the button is reset and slid by the reset force of the spring, and then it is stuck with the fixed plate, thereby completing the installation of the twist drill column, making it easier to replace the drill bit and improving work efficiency.

[0023] 2. In the utility model, a small damper is arranged in the middle of the top side of the circular plate, and the circular plate also squeezes the spring 2, so that the spring 2 can store elastic potential energy, and then give the twist drill string a force in the opposite direction, and cooperate with the small damper to absorb the impact force to protect the device, thereby extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1A three-dimensional diagram of an easy-to-install extended twist drill proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of a connecting column of an extended twist drill that is easy to install proposed by the utility model;

[0026] Figure 3 The utility model is a schematic diagram of a fixing column structure of an extended twist drill which is easy to install.

[0027] Legend:

[0028] 1. Connecting column; 2. Square opening; 3. Button; 4. Side panel; 5. Spring 1; 6. Trapezoidal opening; 7. Fixed plate; 8. Connecting column; 9. Fixed column; 10. Fixed rod; 11. Round plate; 12. Spring 2; 13. Buffer plate; 14. Twist drill column. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1 - Figure 2The utility model provides an embodiment: an extended twist drill that is easy to install, including a connecting column 1, two square openings 2 are provided at the left and right ends of the connecting column 1 to provide activity space, and pressing components are provided at the left and right ends of the connecting column 1. The two pressing components include buttons 3. The outsides of the two buttons 3 are respectively slidably connected to the inner walls of the left and right ends of the connecting column 1. The buttons 3 can slide horizontally through the restriction of the connecting column 1. The inside of the button 3 is provided with a trapezoidal opening 6 to provide activity space for the limiting structure. The front and rear sides of the button 3 are fixedly connected with side plates 4 to limit the button 3 and prevent the button 3 from sliding off. The front and rear ends of the two pressing components are fixedly connected to one side close to the two springs 5, and the springs 5 ​​are pressed The plurality of side panels 4 are respectively slidably connected to the inner walls of the left and right ends of the connecting column 1. The side panels 4 can slide horizontally due to the restriction of the connecting column 1. The adjacent sides of the plurality of side panels 4 are respectively fixedly connected to the distant sides of the spring 5. The inner wall of the pressing assembly is slidably connected with a fixing plate 7. The inner part of the button 3 is slidably connected to the outer part of the fixing plate 7. The fixing plate 7 is snap-fitted and fixed by the button 3. The inner part of the trapezoidal opening 6 is slidably connected to the outer part of the fixing plate 7. The bottom sides of the two fixing plates 7 are fixedly connected with a connecting column 8 to provide support for the fixing plates 7. The outer parts of the two fixing plates 7 are both slidably connected to the inner wall of the connecting column 1. The fixing plates 7 can slide vertically due to the restriction of the connecting column 1.

[0031] Reference Figure 1 and Figure 3 The outside of the connecting column 8 is slidably connected to the inner wall of the connecting column 1. The connecting column 8 can slide vertically through the restriction of the connecting column 1. The bottom side of the connecting column 8 is fixedly connected with a fixing column 9. The left and right ends of the fixing column 9 are fixedly connected with fixing rods 10. The outsides of the two fixing rods 10 are provided with sliding components. The sliding components include a circular plate 11. The left and right ends of the circular plate 11 are respectively slidably connected to the outsides of the two fixing rods 10. The circular plate 11 can slide vertically through the restriction of the fixing rods 10. The outside of the fixing rods 10 is provided with a spring 2 12. The bottom sides of spring 2 12 are respectively fixedly connected to the left and right ends of the top side of the circular plate 11. The spring 2 12 is fixed so that the spring 2 12 can be evenly stressed. The outside of the circular plate 11 is slidably connected to the inner wall of the fixed column 9. The bottom side of the sliding assembly is fixedly connected with a buffer disk 13. The outside of the buffer disk 13 is slidably connected to the inner wall of the fixed column 9. The buffer disk 13 is restricted by the fixed column 9 so that the buffer disk 13 can slide vertically. The top sides of the two springs 2 12 are fixedly connected to the top side of the inner wall of the fixed column 9. The bottom side of the buffer disk 13 is fixedly connected with a twist drill column 14.

[0032] Working principle: We hold the fixing column 9, align the connecting column 8 on the top side of the fixing column 9 with the bottom side of the connecting column 1, and then insert the connecting column 8 into the interior of the connecting column 1, and at the same time align the fixing plate 7 on the top side of the connecting column 8 with the trapezoidal opening 6 opened inside the button 3, so that the interior of the button 3 is tilted, and then the fixing plate 7 will push the button 3 to slide horizontally, and then the button 3 will drive the side plate 4 to slide and squeeze the spring 15, so that the spring 15 can store elastic potential energy, and then give the button 3 a force in the opposite direction, and then the notch of the fixing plate 7 will slide to the level of the button 3, and at this time the button 3 will be reset and slide by the reset force of the spring 15, and then it will be stuck with the fixing plate 7, thereby completing the installation of the twist drill column 14, which is convenient for replacing the drill bit and then improving work efficiency;

[0033] Then, when the twist drill column 14 is working, the twist drill column 14 will be subjected to a reaction force after contacting an object, thereby pushing the buffer plate 13 to slide, and then pushing the circular plate 11 to slide, and then a small damper is provided in the middle of the top side of the circular plate 11, and the circular plate 11 will also squeeze the spring 2 12, so that the spring 2 12 can store elastic potential energy, and then give the twist drill column 14 a force in the opposite direction, and cooperate with the small damper to absorb the impact force to protect the device, thereby extending the service life of the equipment.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An extended twist drill that is easy to install, comprising a connecting column (1), characterized in that: Two square openings (2) are provided at both left and right ends of the connecting column (1), and pressing assemblies are provided at both left and right ends of the connecting column (1). Two springs (5) are fixedly connected to the sides close to the front and rear ends of the two pressing assemblies, and the inner wall of the pressing assembly is slidably connected to a fixing plate (7), and the bottom sides of the two fixing plates (7) are fixedly connected to a connecting column (8), and the bottom sides of the connecting columns (8) are fixedly connected to a fixing column (9), and the left and right ends of the fixing column (9) are fixedly connected to a fixing rod (10), and the outside of the two fixing rods (10) is provided with a sliding assembly, and the bottom side of the sliding assembly is fixedly connected to a buffer plate (13), and the bottom side of the buffer plate (13) is fixedly connected to a twist drill column (14).

2. The easy-to-install elongated twist drill according to claim 1, characterized in that: The two pressing assemblies each comprise a button (3), the exterior of the two buttons (3) being slidably connected to the inner walls of the left and right ends of the connecting column (1), the interior of the button (3) being provided with a trapezoidal opening (6), and the front and rear sides of the button (3) being fixedly connected to side panels (4).

3. The easy-to-install elongated twist drill according to claim 2, characterized in that: The exteriors of the plurality of side plates (4) are respectively slidably connected to the inner walls of the left and right ends of the connecting column (1), and the adjacent sides of the plurality of side plates (4) are respectively fixedly connected to the distant sides of the spring one (5).

4. The easy-to-install elongated twist drill according to claim 2, characterized in that: The interior of the button (3) is slidably connected to the exterior of the fixing plate (7), and the interior of the trapezoidal opening (6) is slidably connected to the exterior of the fixing plate (7).

5. The easy-to-install elongated twist drill according to claim 1, characterized in that: The exteriors of the two fixing plates (7) are slidably connected to the inner wall of the connecting column (1), and the exterior of the connecting column (8) is slidably connected to the inner wall of the connecting column (1).

6. The easy-to-install elongated twist drill according to claim 1, characterized in that: The sliding assembly comprises a circular plate (11), the left and right ends of which are respectively slidably connected to the outside of the two fixing rods (10), and the outside of the fixing rods (10) is sleeved with a second spring (12).

7. The easy-to-install elongated twist drill according to claim 6, characterized in that: The bottom sides of the two springs (12) are respectively fixedly connected to the left and right ends of the top side of the circular plate (11), and the outside of the circular plate (11) is slidably connected to the inner wall of the fixed column (9).

8. The easy-to-install elongated twist drill according to claim 7, characterized in that: The outside of the buffer disk (13) is slidably connected to the inner wall of the fixing column (9), and the top sides of the two springs (12) are fixedly connected to the top sides of the inner wall of the fixing column (9).

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