Screwdriver with magnetism

Abstract

The utility model belongs to the technical field of screwdrivers, and particularly relates to a magnetic screwdriver which comprises an operating handle, connecting rods and a screwdriver head, and the screwdriver head is installed on the operating handle or installed on the operating handle through at least one connecting rod. According to the multifunctional screwdriver, the screwdriver head can be directly inserted into the operating handle, the screwdriver head can also be inserted into the tail end of the connecting rod, then the connecting rod is inserted into the operating handle, different connecting rods can also be inserted end to end, the total length of the screwdriver can be changed according to actual use requirements, the screwdriver can be used in different scenes, and use is more convenient; the application range is wide.

Description

Technical Field

[0001] The utility model belongs to the technical field of screwdrivers, and in particular relates to a magnetic screwdriver. Background Art

[0002] A screwdriver is a common tool used to turn screws into place. It is widely used in various industries such as machinery, electricity, electronics, automobiles, glasses, clocks and watches, and home DYI. There are many types of screwdrivers with different functions, lengths, and sizes.

[0003] In the prior art, a Chinese utility model patent with authorization announcement number CN219987455U discloses "a magnetic screwdriver", which connects the screwdriver head and the connecting rod and the handle and the connecting rod by cooperating with each other among a handle, a connecting rod, a screwdriver head and a magnetic suction group, and by providing a magnetic suction group on the handle and the connecting rod, thereby increasing the convenience of the user in actual operation, facilitating the user to quickly replace the screwdriver head when meeting different usage requirements, and at the same time increasing the stability of the connection to prevent the screwdriver head and the connecting rod from falling off during use.

[0004] Although the screwdriver head of the magnetic screwdriver in the prior art is easy to replace, in actual use, the length of the connecting rod is limited. When the operating space is small and the screws are far away, the screwdriver head cannot reach the screws. Even if the screwdriver is inserted into a small space, it is inconvenient to operate.

[0005] In order to solve the above problems, the present application proposes a magnetic screwdriver. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides a magnetic screwdriver, which has the characteristics of being easy to use and having a wide range of applications.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a magnetic screwdriver, comprising an operating handle, a connecting rod and a screwdriver head, wherein the screwdriver head is mounted on the operating handle or is mounted on the operating handle using at least one connecting rod.

[0008] As a preferred technical solution of the utility model, it also includes:

[0009] A second connecting protrusion, the second connecting protrusion is fixed at the end of the screwdriver head, and a first connecting groove for the second connecting protrusion to be embedded is opened on the operating handle. The cross-sections of the second connecting protrusion and the first connecting groove are both regular hexagons, and the second connecting protrusion and the first connecting groove are equal in size.

[0010] As a preferred technical solution of the utility model, it also includes:

[0011] A first connecting protrusion is fixed at one end of the connecting rod and a second connecting groove is opened at the other end. The cross-sections of the first connecting protrusion and the second connecting groove are both regular hexagons, and the sizes of the first connecting groove, the first connecting protrusion, the second connecting groove and the second connecting protrusion are equal.

[0012] As a preferred technical solution of the utility model, it also includes:

[0013] A first flexible limiting ring is provided with a first mounting groove on the first connecting protrusion. The first flexible limiting ring is fixed to the inner wall of the first connecting groove and embedded in the first mounting groove.

[0014] As a preferred technical solution of the utility model, it also includes:

[0015] A second flexible limiting ring is provided with a second mounting groove on the second connecting protrusion. The second flexible limiting ring is fixed to the inner wall of the second connecting groove and embedded in the second mounting groove.

[0016] As a preferred technical solution of the utility model, it also includes:

[0017] A positioning plate is provided with a receiving cavity at the end of the operating handle, the positioning plate is fixed in the receiving cavity, and positioning holes for the screwdriver head to pass through are evenly provided on the positioning plate.

[0018] As a preferred technical solution of the utility model, it also includes:

[0019] A protective cover is fixed to the opening end of the accommodating cavity.

[0020] As a preferred technical solution of the utility model, it also includes:

[0021] A rubber lining is fixed to one end of the protective cover facing the accommodating cavity.

[0022] As a preferred technical solution of the utility model, it also includes:

[0023] A sleeve, wherein the sleeve is sleeved on the screwdriver head and has a limiting portion at one end of the inner wall of the sleeve;

[0024] A strong magnetic ring, the strong magnetic ring is fixed to an end of the inner wall of the sleeve away from the limiting portion;

[0025] A positioning ring is fixed on the screwdriver head and is located between the strong magnetic ring and the limiting portion.

[0026] Compared with the prior art, the beneficial effects of the utility model are:

[0027] In the utility model, the screwdriver head can be directly plugged into the operating handle, or the screwdriver head can be plugged into the tail end of the connecting rod, and then the connecting rod can be plugged into the operating handle. Different connecting rods can also be plugged end to end. The total length of the screwdriver can be changed according to actual usage needs to meet the use in different scenarios. It is more convenient to use and has a wide range of applications.

[0028] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0030] Figure 1 It is a schematic diagram of the structure of the utility model;

[0031] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0032] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram;

[0033] Figure 4 For this utility model Figure 2 The enlarged structural diagram at B in FIG.

[0034] Figure 5 For this utility model Figure 2 The enlarged structural diagram at C in the figure.

[0035] In the figure: 1. operating handle; 11. accommodating cavity; 12. first connecting groove; 121. first flexible limiting ring; 2. connecting rod; 21. first connecting protrusion; 211. first mounting groove; 22. second connecting groove; 221. second flexible limiting ring; 3. screwdriver head; 31. second connecting protrusion; 311. second mounting groove; 32. positioning ring; 4. positioning plate; 41. positioning socket; 5. protective cover; 6. rubber lining; 7. sleeve; 71. limiting part; 8. strong magnetic ring. DETAILED DESCRIPTION

[0036] 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.

[0037] Example 1

[0038] See also Figure 1-Figure 4 The utility model provides the following technical solution: a magnetic screwdriver, comprising an operating handle 1, a connecting rod 2 and a screwdriver head 3, wherein the screwdriver head 3 is mounted on the operating handle 1 or is mounted on the operating handle 1 using at least one connecting rod 2.

[0039] Preferably, by Figure 1-Figure 4 As shown, in this embodiment, it also includes: a second connecting protrusion 31, the second connecting protrusion 31 is fixed to the end of the screwdriver head 3, and a first connecting groove 12 is provided on the operating handle 1 for the second connecting protrusion 31 to be embedded. The cross-sections of the second connecting protrusion 31 and the first connecting groove 12 are both regular hexagons, and the size of the second connecting protrusion 31 is equal to that of the first connecting groove 12. Therefore, when in use, the second connecting protrusion 31 can be directly inserted into the first connecting groove 12 on the operating handle 1, so that the screwdriver head 3 can be directly connected to the operating handle 1 for use.

[0040] It is worth noting that the cross-sections of the second connecting protrusion 31 and the first connecting groove 12 are both regular hexagons, and the sizes of the second connecting protrusion 31 and the first connecting groove 12 are equal, which can ensure the stability of the connection between the screwdriver head 3 and the operating handle 1. At the same time, when the operating handle 1 is rotated, the screwdriver head 3 can also rotate reliably.

[0041] It should be noted that the screwdriver head 3 and the second connecting protrusion 31 are both of standard size. Therefore, in addition to being installed on the operating handle 1 for use, the screwdriver head 3 can also be installed on an electric screwdriver for use, and the screwdriver head 3 is fixed by the self-locking chuck of the electric screwdriver.

[0042] Preferably, by Figure 1-Figure 4As shown, in this embodiment, it also includes: a first connecting protrusion 21, a first connecting protrusion 21 is fixed at one end of the connecting rod 2, and a second connecting groove 22 is opened at the other end, the cross-sections of the first connecting protrusion 21 and the second connecting groove 22 are both regular hexagons, and the sizes of the first connecting groove 12, the first connecting protrusion 21, the second connecting groove 22 and the second connecting protrusion 31 are all equal. When necessary, the second connecting protrusion 31 can be first inserted into the second connecting groove 22 at one end of the connecting rod 2, and then the first connecting protrusion 21 at the other end of the connecting rod 2 is inserted into the first connecting groove 12 on the operating handle 1, and the total length of the screwdriver can be adjusted to meet the use in different scenarios. It is more convenient to use and has a wide range of applications.

[0043] It is worth noting that the cross-sections of the first connecting protrusion 21 and the second connecting groove 22 are both regular hexagons, and the sizes of the first connecting groove 12, the first connecting protrusion 21, the second connecting groove 22 and the second connecting protrusion 31 are equal, which can ensure the stability of the connection between the screwdriver head 3, the connecting rod 2 and the operating handle 1. At the same time, when the operating handle 1 is rotated, the connecting rod 2 and the screwdriver head 3 can also rotate reliably.

[0044] Example 2

[0045] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, it also includes: a first flexible limiting ring 121, a first mounting groove 211 is opened on the first connecting protrusion 21, the first flexible limiting ring 121 is fixed to the inner wall of the first connecting groove 12 and embedded in the first mounting groove 211, the first flexible limiting ring 121 is preferably made of rubber material and has better flexibility. When the first connecting protrusion 21 is inserted into the first connecting groove 12, the first flexible limiting ring 121 is embedded in the first mounting groove 211 to position the connecting rod 2, thereby further improving the stability of the installation of the connecting rod 2.

[0046] Preferably, by Figure 1 , Figure 2 and Figure 4 As shown, in this embodiment, it also includes: a second flexible limiting ring 221, a second mounting groove 311 is opened on the second connecting protrusion 31, the second flexible limiting ring 221 is fixed to the inner wall of the second connecting groove 22 and embedded in the second mounting groove 311, the second flexible limiting ring 221 is preferably made of rubber material, when the first connecting protrusion 21 at the end of one connecting rod 2 is inserted into the second connecting groove 22 at the end of another connecting rod 2, or the second connecting protrusion 31 is inserted into the second connecting groove 22, the second flexible limiting ring 221 is embedded in the first mounting groove 211 or the second mounting groove 311 to position the screwdriver head 3 or the connecting rod 2, thereby ensuring the stability of the connection between the connecting rod 2 and the screwdriver head 3, or the stability of the connection between different connecting rods 2.

[0047] When the second connection protrusion 31 on the screwdriver head 3 is directly inserted into the first connection groove 12 on the operating handle 1 , the first flexible limiting ring 121 is embedded in the second installation groove 311 to ensure the stability of the installation of the screwdriver head 3 .

[0048] Example 3

[0049] Preferably, by Figure 2 As shown, in this embodiment, it also includes: a positioning plate 4, a accommodating cavity 11 is opened at the end of the operating handle 1, the positioning plate 4 is fixed in the accommodating cavity 11, and positioning holes 41 for the screwdriver head 3 to pass through are evenly opened on the positioning plate 4, and an idle screwdriver head 3 can be inserted into the positioning hole 41 for storage, which is convenient for immediate use.

[0050] Preferably, by Figure 2 As shown, in this embodiment, it also includes: a protective cover 5, which is fixed at the open end of the accommodating chamber 11. The protective cover 5 can be made of a flexible material or a hard material, such as rubber or plastic. When the protective cover 5 is made of rubber, it is directly inserted into the open end of the accommodating chamber 11 for fixation. When the protective cover 5 is made of plastic, it is preferably fixed to the open end of the accommodating chamber 11 by means of threaded engagement.

[0051] The protective cover 5 is preferably made of plastic and is fixed to the open end of the accommodating cavity 11 by screwing, so as to limit the stored screwdriver head 3 and prevent the screwdriver head 3 from falling.

[0052] Preferably, by Figure 2 As shown, in this embodiment, it also includes: a rubber lining 6, which is fixed to the end of the protective cover 5 facing the accommodating cavity 11. Therefore, when storing the screwdriver head 3, it is preferred that the head end of the screwdriver head 3 faces outward to facilitate the use of a screwdriver head 3 of a suitable specification. The rubber lining 6 protects the head end of the screwdriver head 3 to prevent the head end of the screwdriver head 3 from being damaged by friction with the protective cover 5.

[0053] Example 4

[0054] Preferably, by Figure 1 , Figure 2 and Figure 5As shown, in this embodiment, it also includes: a sleeve 7, a strong magnetic ring 8 and a positioning ring 32. The sleeve 7 is sleeved on the screwdriver head 3, and a limiting portion 71 is provided at one end of the inner wall of the sleeve 7. The strong magnetic ring 8 is fixed to the end of the inner wall of the sleeve 7 away from the limiting portion 71. The positioning ring 32 is fixed on the screwdriver head 3 and is between the strong magnetic ring 8 and the limiting portion 71. The sleeve 7 can move on the screwdriver head 3 to avoid affecting the use of the screwdriver head 3, and the limiting portion 71 cooperates with the positioning ring 32 to limit the moving range of the sleeve 7. Through the set strong magnetic ring 8, the strong magnetic ring 8 can absorb the screws to avoid accidental dropping and loss of the screws, especially smaller screws.

[0055] Components not described in detail herein are prior art.

[0056] Working principle and use process of the utility model: In addition to being installed on the operating handle 1 for use, the screwdriver head 3 of the utility model can also be installed on an electric screwdriver for use, and the screwdriver head 3 is fixed by using the self-locking chuck of the electric screwdriver;

[0057] In addition, the screwdriver head 3 has two installation methods. First, the second connection protrusion 31 on the screwdriver head 3 is directly inserted into the first connection groove 12 on the operating handle 1, so that the screwdriver head 3 is directly fixed to the operating handle 1 or the electric screwdriver for use;

[0058] Secondly, first insert the second connection protrusion 31 on the screwdriver head 3 into the second connection groove 22 at the end of the connecting rod 2, assemble the screwdriver head 3 and the connecting rod 2, and then insert the first connection protrusion 21 at the end of the connecting rod 2 into the second connection groove 22 at the end of another connecting rod 2, or directly insert the first connection protrusion 21 at the end of the connecting rod 2 into the first connection groove 12 on the operating handle 1, so that the screwdriver head 3, the connecting rod 2 and the operating handle 1 are assembled for use;

[0059] The total length of the screwdriver can be changed according to actual usage needs to meet the needs of use in different scenarios. It is more convenient to use and has a wide range of applications.

[0060] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A magnetic screwdriver, comprising an operating handle (1), a connecting rod (2) and a screwdriver head (3), characterized in that: The screwdriver head (3) is mounted on the operating handle (1) or is mounted on the operating handle (1) using at least one of the connecting rods (2).

2. A magnetic screwdriver according to claim 1, characterized in that: Also includes: A second connecting protrusion (31) is fixed to the end of the screwdriver head (3); a first connecting groove (12) is provided on the operating handle (1) for the second connecting protrusion (31) to be inserted into; the cross-sections of the second connecting protrusion (31) and the first connecting groove (12) are both regular hexagons, and the second connecting protrusion (31) and the first connecting groove (12) are equal in size.

3. A magnetic screwdriver according to claim 2, characterized in that: Also includes: A first connecting protrusion (21) is fixed at one end of the connecting rod (2), and a second connecting groove (22) is opened at the other end, the cross-sections of the first connecting protrusion (21) and the second connecting groove (22) are both regular hexagons, and the sizes of the first connecting groove (12), the first connecting protrusion (21), the second connecting groove (22) and the second connecting protrusion (31) are all equal.

4. A magnetic screwdriver according to claim 3, characterized in that: Also includes: A first flexible limiting ring (121) is provided with a first mounting groove (211) on the first connecting protrusion (21); the first flexible limiting ring (121) is fixed to the inner wall of the first connecting groove (12) and embedded in the first mounting groove (211).

5. The magnetic screwdriver according to claim 3, characterized in that: Also includes: A second flexible limiting ring (221) is provided with a second mounting groove (311) on the second connecting protrusion (31); the second flexible limiting ring (221) is fixed to the inner wall of the second connecting groove (22) and embedded in the second mounting groove (311).

6. The magnetic screwdriver according to claim 1, characterized in that: Also includes: A positioning plate (4) is provided with a receiving cavity (11) at the end of the operating handle (1), the positioning plate (4) is fixed in the receiving cavity (11), and positioning holes (41) for the screwdriver head (3) to pass through are evenly provided on the positioning plate (4).

7. The magnetic screwdriver according to claim 6, characterized in that: Also includes: A protective cover (5) is fixed to the open end of the accommodating cavity (11).

8. The magnetic screwdriver according to claim 7, characterized in that: Also includes: A rubber lining (6) is fixed to one end of the protective cover (5) facing the accommodating cavity (11).

9. The magnetic screwdriver according to claim 1, characterized in that: Also includes: A sleeve (7), the sleeve (7) being sleeved on the screwdriver head (3), and having a limiting portion (71) at one end of the inner wall of the sleeve (7); A strong magnetic ring (8), wherein the strong magnetic ring (8) is fixed to an end of the inner wall of the sleeve (7) away from the limiting portion (71); A positioning ring (32), the positioning ring (32) being fixed on the screwdriver head (3) and being located between the strong magnetic ring (8) and the limiting portion (71).

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