Electric drill adapter

Abstract

The utility model relates to the field of electric drill accessories, in particular to an electric drill adapter. Comprising a main body rod, the side wall of one end of the main body rod is provided with a clamping groove, and the end face of the other end is provided with a mounting groove; the main body rod is sleeved with the control part, and a first limiting part is arranged on the inner wall of the control part; the second limiting part is fixedly arranged on the main body rod; the reset spring is arranged between the control part and the main body rod, one end of the reset spring abuts against the first limiting part, and the other end of the reset spring abuts against the second limiting part; the locking hole is formed in the outer side wall of the main body rod and penetrates to the mounting groove, and the hole diameter of the locking hole in the mounting groove is the smallest; the locking ball is arranged in the locking hole, and the diameter of the locking ball is larger than the minimum hole diameter of the locking hole; the locking ring is arranged on the inner side of the control part and abuts against the locking ball, and at the moment, the locking ball protrudes out of the inner wall of the mounting groove; the electric drill adapter is simpler in operation and structure.

Description

Technical Field

[0001] The utility model relates to the field of electric drill accessories, in particular to an electric drill adapter. Background Art

[0002] An adapter for an electric drill is an accessory used to connect tools such as drill bits, screwdriver bits, etc. of different sizes or types.

[0003] Adapters convert the size of a drill or screwdriver bit on a drill from one standard to another, such as from large to small, or from imperial to metric.

[0004] With the adapter, you can use drill bits or screwdriver heads with different functions on the same electric drill, such as flat head, cross head, hexagonal head, etc., so that you can complete a variety of different work tasks without changing the electric drill.

[0005] Using adapters can reduce the time cost when changing tools, especially in working environments where drill bits or screwdriver bits need to be changed frequently, which can improve work efficiency and smooth operation.

[0006] Some adapters may also have additional features, such as magnetic attachment, which can help keep the screw or drill bit stable, especially useful when working in hard-to-reach or confined spaces.

[0007] Therefore, there is an urgent need to provide a technical solution with simple structure and simple operation. Utility Model Content

[0008] The purpose of the utility model is to provide an electric drill adapter with simpler operation and structure in order to solve the above-mentioned technical problems.

[0009] In view of this, the utility model provides an electric drill adapter, which is characterized by comprising:

[0010] A main body rod, wherein a clamping groove is provided on the side wall at one end of the main body rod, and a mounting groove is provided on the end surface at the other end;

[0011] A control part, which is sleeved on the main rod and has a first limiting part on the inner wall of the control part;

[0012] A second limiting portion, the second limiting portion is fixedly arranged on the main rod;

[0013] A return spring, which is arranged between the control part and the main rod, and has one end abutting against the first limit part and the other end abutting against the second limit part;

[0014] A locking hole, which is arranged on the outer side wall of the main rod and penetrates to the mounting groove, and has the smallest hole diameter in the mounting groove;

[0015] A locking ball, which is arranged in the locking hole and has a diameter larger than the minimum aperture of the locking hole;

[0016] The locking ring is arranged on the inner side of the control part and contacts the locking ball. At this time, the locking ball protrudes from the inner wall of the installation groove.

[0017] Furthermore, the second limiting portion is sleeved on the main rod, and a first snap-in groove is provided on the main rod adjacent to the second limiting portion, a first snap-in ring is provided in the first snap-in groove, the first snap-in ring abuts against the second limiting portion and is provided with a first opening.

[0018] Furthermore, a second clamping groove is provided on the main rod at a position adjacent to the first limiting portion, a second clamping ring abutting against the first limiting portion is provided in the second clamping groove, and the second clamping ring is provided with a second opening.

[0019] Furthermore, the locking ring is arranged in the gap of the return spring.

[0020] Furthermore, it also includes:

[0021] The installation limit groove is arranged on the same end of the main body rod as the clamping groove and penetrates the end surface of the main body rod along the axial direction of the main body rod.

[0022] The beneficial effects of the utility model are:

[0023] 1. The utility model pulls the control part to the right to compress the reset spring, so that the locking ring is separated from the locking ball, and the locking ring no longer contacts the locking ball. The accessory to be installed is inserted into the installation groove of the main rod, and an annular groove is provided on the accessory. The locking ball is inserted into the annular groove to achieve installation. When the control part is released, the locking ring contacts the locking ball again to fix the accessory.

[0024] 2. The utility model fixes the second limit portion by providing a first clamping groove and a first clamping ring, and a first opening is provided on the first clamping ring. The first opening can expand the inner diameter of the first clamping ring, and the structure is simple and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0026] Figure 2 It is a structural schematic diagram of the cross section of the control part of the utility model;

[0027] Figure 3 It is a schematic structural diagram of the cross section of the utility model.

[0028] The symbols in the figure are:

[0029] 1. Main rod; 2. Card slot; 3. Installation slot; 4. Control part; 5. First limit part; 6. Second limit part; 7. Reset spring; 8. Locking hole; 9. Locking ball; 10. Locking ring; 12. First card slot; 13. First card ring; 14. Second card slot; 15. Second card ring; 16. Installation limit slot. Specific embodiments

[0030] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0031] Embodiment 1:

[0032] This embodiment provides an electric drill adapter, which is characterized by comprising:

[0033] A main body rod 1, a clamping groove 2 is provided on the side wall at one end of the main body rod 1, and a mounting groove 3 is provided on the end surface at the other end;

[0034] A control part 4, which is sleeved on the main rod 1, and a first limiting part 5 is provided on the inner wall of the control part 4;

[0035] A second limiting portion 6, which is fixedly arranged on the main rod 1;

[0036] A return spring 7, which is disposed between the control portion 4 and the main rod 1, with one end of the return spring abutting against the first limit portion 5 and the other end of the return spring abutting against the second limit portion 6;

[0037] A locking hole 8, which is arranged on the outer wall of the main rod 1 and penetrates to the mounting groove 3, and has the smallest hole diameter in the mounting groove 3;

[0038] A locking ball 9, which is disposed in the locking hole 8 and has a diameter greater than the minimum aperture of the locking hole 8;

[0039] The locking ring 10 is arranged inside the control portion 4 and abuts against the locking ball 9 . At this time, the locking ball 9 protrudes from the inner wall of the installation groove 3 .

[0040] The adapter is made of high-strength alloy as a whole, which is used to provide greater hardness to enhance the stability of the structure. In the figure, a control part 4 is provided on the left side of the main rod 1, and a mounting groove 3 is provided on the left end, and two symmetrical slots 2 are provided on the side wall on the right side. The slots 2 are opened on the outer wall of the main rod 1, and the inner surface of the slots 2 is a curved surface. The slots 2 are used to connect with the drill bit; the control part 4 is a bottomless cylindrical structure, and the control part 4 is sleeved on the main rod 1. A first limiting part 5 is formed on the inner wall of the control part 4. The first limiting part 5 is an annular flange structure and is on the left side of the inner wall of the control part 4; the second limiting part 6 is sleeved on the main rod 1 and can be fixed to the main rod 1 by fasteners; a reset spring 7 is provided in the cavity formed by the control part 4 and the main rod 1, and the two ends of the reset spring 7 respectively abut against the first limiting part 5 and the second limiting part 6 to lock. A hole 8 is opened inward from the outer wall of the main rod 1 and passes through the mounting groove 3, and the locking hole 8 has the smallest aperture at one end of the mounting groove 3. A locking ball 9 is arranged in the locking hole 8. The diameter of the locking ball 9 is larger than the minimum aperture of the locking hole 8, which can prevent the locking ball 9 from escaping from the locking hole 8. When the locking ball 9 abuts against the inner wall of the locking hole 8, the locking ball 9 protrudes from the inner wall of the mounting groove 3. A locking ring 10 is formed on the inner wall of the control part 4, and the locking ring 10 abuts against the locking ball 9. The diameter of the locking ball 9 is larger than the gap between the main rod 1 and the control part 4, and the locking ball 9 can be embedded in the locking hole 8. At this time, the outer diameter of the locking ring 10 is equal to the outer diameter of the main rod 1, and the width of the locking ring 10 is larger than the maximum diameter of the locking hole 8, so as to improve stability.

[0041] Working principle:

[0042] Pull the control part 4 to the right to compress the reset spring 7, so that the locking ring 10 is separated from the locking ball 9, and the locking ring 10 no longer contacts the locking ball 9. Insert the accessory to be installed into the installation groove 3 of the main rod 1, and an annular groove 2 is provided on the accessory, and the locking ball 9 is inserted into the annular groove 2 to achieve installation. Release the control part 4, and the locking ring 10 contacts the locking ball 9 again to fix the accessory.

[0043] Embodiment 2:

[0044] This embodiment provides an electric drill adapter, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0045] The second limiting portion 6 is sleeved on the main rod 1, and a first snap-in groove 12 is provided on the main rod 1 adjacent to the second limiting portion 6, a first snap-in ring 13 is provided in the first snap-in groove 12, the first snap-in ring 13 abuts against the second limiting portion 6 and is provided with a first opening.

[0046] The second limiting portion 6 is fixed by providing the first clamping groove 12 and the first clamping ring 13, and a first opening is provided on the first clamping ring 13. The first opening can expand the inner diameter of the first clamping ring 13. The above structure is simple and stable.

[0047] A second clamping groove 14 is provided on the main rod 1 at a position adjacent to the first limiting portion 5 . A second clamping ring 15 abutting against the first limiting portion 5 is provided in the second clamping groove 14 . The second clamping ring 15 is provided with a second opening.

[0048] The second clamping ring 15 and the second clamping groove 14 abut against the first limiting portion 5 to limit the position of the control portion 4 on the main rod 1 .

[0049] Embodiment 3:

[0050] This embodiment provides an electric drill adapter, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0051] The locking ring 10 is arranged in the gap of the return spring 7 .

[0052] During installation, the return spring 7 is screwed into the locking ring 10 to prevent the return spring 7 from being lost.

[0053] Also includes:

[0054] The installation limiting groove 16 is arranged on the same end of the main body rod 1 as the clamping groove, and penetrates the end surface of the main body rod 1 along the axial direction of the main body rod 1.

[0055] The installation limit groove 16 is provided to make it easier to position the adapter, and the electric drill is provided with a limit portion that can slide into the installation limit groove 16 .

[0056] The cross section of the mounting groove 3 is hexagonal.

[0057] The hexagonal shape is more stable, less prone to damage and has a longer service life.

[0058] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which belong to the protection scope of the present application.

Claims

1. An electric drill adapter, characterized in that: include: A main body rod (1), wherein a clamping groove (2) is provided on a side wall at one end of the main body rod (1), and a mounting groove (3) is provided on an end surface at the other end; A control part (4), the control part (4) is sleeved on the main rod (1), and a first limiting part (5) is provided on the inner wall of the control part (4); A second limiting portion (6), the second limiting portion (6) being fixedly arranged on the main rod (1); A return spring (7), the return spring (7) being arranged between the control portion (4) and the main rod (1), with one end of the return spring abutting against the first limit portion (5) and the other end of the return spring abutting against the second limit portion (6); A locking hole (8), the locking hole (8) being arranged on the outer side wall of the main rod (1) and penetrating to the mounting groove (3), and having the smallest hole diameter in the mounting groove (3); A locking ball (9), the locking ball (9) is arranged in the locking hole (8), and the diameter of the locking ball (9) is larger than the minimum hole diameter of the locking hole (8); The locking ring (10) is arranged inside the control part (4) and contacts the locking ball (9). At this time, the locking ball (9) protrudes from the inner wall of the installation groove (3).

2. The electric drill adapter according to claim 1, characterized in that: The second limiting portion (6) is sleeved on the main rod (1), and a first clamping groove (12) is provided on the main rod (1) at a position adjacent to the second limiting portion (6), a first clamping ring (13) is provided in the first clamping groove (12), and the first clamping ring (13) is in contact with the second limiting portion (6) and is provided with a first opening.

3. The electric drill adapter according to claim 1, characterized in that: A second clamping groove (14) is provided on the main body rod (1) at a position adjacent to the first limiting portion (5), a second clamping ring (15) abutting against the first limiting portion (5) is provided in the second clamping groove (14), and the second clamping ring (15) is provided with a second opening.

4. The electric drill adapter according to claim 1, characterized in that: The locking ring (10) is arranged in the gap of the return spring (7).

5. The electric drill adapter according to claim 1, characterized in that: Also includes: The installation limit groove (16) is arranged on the same end of the main body rod (1) as the clamping groove, and penetrates the end surface of the main body rod (1) along the axial direction of the main body rod (1).

6. The electric drill adapter according to claim 1, characterized in that: The cross section of the mounting groove (3) is hexagonal.

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