Detachable screwdriver assembly

Abstract

The utility model discloses a detachable screwdriver assembly. The detachable screwdriver assembly comprises a screwdriver and a screwdriver bar detachably connected with the screwdriver. An opening is formed in the upper end of the screwdriver, a connecting unit is arranged in the opening, the interior of the connecting unit is hollow, and the screwdriver rod penetrates through the connecting unit to be connected with the screwdriver. The detachable screwdriver assembly is reasonable in structural design and convenient to use, the detachable screwdriver is simple in structure and convenient to use, the practicability is high, and the detachable screwdriver assembly is suitable for popularization and application. The cutter bar can be conveniently replaced to adapt to screw holes with different depths; compared with a traditional screwdriver, the detachable screwdriver has the advantages that the screwdriver handle and the screwdriver rod are detachably connected, so that the detachable screwdriver is more flexible to use; the length of the screwdriver rod of the screwdriver can be adjusted as required, so that the screwdriver can adapt to screw holes with different depths and is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of screwdrivers, in particular to a detachable screwdriver assembly. Background Art

[0002] A screwdriver is a common tool used to turn a screw to put it in place. It usually has a thin wedge-shaped head that can be inserted into the slot or recess of the screw head. It usually consists of a screwdriver and a screwdriver shank. Screwdrivers can be divided into flat-blade, cross-blade, Pozidriv, star-blade, etc. Traditional screwdrivers and shanks are fixedly connected and cannot be disassembled and replaced, which is not flexible enough to use. When users choose to use a screwdriver to work, they need to use different screwdrivers for different working environments, which is not convenient for users to use and reduces the convenience of use. Moreover, the length of the traditional screwdriver shank is fixed and cannot adapt to screw holes of different depths, which is not convenient to use. Therefore, a detachable screwdriver assembly is needed that can easily replace the shank to adapt to screw holes of different depths. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a detachable screwdriver assembly in view of the current status of the prior art, so as to solve the problems in the prior art that the screwdriver handle and the shank are fixedly connected, cannot be disassembled and replaced, is not flexible to use, has a fixed shank length, cannot adapt to screw holes of different depths, and is not convenient to use.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: a detachable screwdriver assembly, comprising a screwdriver and a tool rod detachably connected to the screwdriver; an opening is provided at the upper end of the screwdriver, a connecting unit is arranged in the opening, the connecting unit is hollow inside, and the tool rod passes through the connecting unit to be connected to the screwdriver.

[0005] Preferably, the connecting unit includes an outer wall that fits with the opening and an inner wall that fits with the knife rod, the outer wall and the inner wall are integrally formed, the outer wall of the connecting unit is provided with a guide groove, and the inner wall of the connecting unit is provided with a spring sheet; a circle of outer edge is provided at the upper end of the connecting unit, and the connecting unit is mounted on the opening through the outer edge.

[0006] Preferably, a guide rail matched with the guide groove is provided in the opening, and the connecting unit is slidably engaged with the guide rail through the guide groove.

[0007] Preferably, the tool rod comprises a tool head and a rod body, the rod body is provided with an annular groove engaged with the spring sheet, the tool rod is engaged with the spring sheet via the annular groove, and the tool rod cooperates with the connecting unit to be connected with the screwdriver.

[0008] Compared with the prior art, the advantages of the utility model are:

[0009] 1. Easy to use: The detachable screwdriver of the utility model has a simple structure and is easy to use. The tool bar can be easily replaced to adapt to screw holes of different depths;

[0010] 2. High flexibility: Compared with traditional screwdrivers, the detachable screwdriver handle and the shank of the utility model are detachably connected, which makes it more flexible to use;

[0011] 3. Strong adaptability: The shank length of the screwdriver can be adjusted as needed, and can adapt to screw holes of different depths, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the exploded structure of the utility model;

[0013] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of the exploded structure of the screwdriver and the connecting unit of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the connection unit of the utility model.

[0016] Figure numerals: 1, screwdriver; 2, tool rod; 3, opening; 4, connecting unit; 5, outer wall; 6, inner wall; 7, guide groove; 8, spring piece; 9, outer edge; 10, guide rail; 11, tool head; 12, rod body; 13, annular groove; 14, outer shell; 15, through hole; 16, limit block. DETAILED DESCRIPTION

[0017] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0018] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back... are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] Moreover, some of the above-mentioned terms may be used to express other meanings besides indicating orientation or positional relationships. For example, the term "on" may also be used to indicate a certain dependency or connection relationship in certain circumstances. A person skilled in the art may understand the specific meanings of these terms in the present utility model according to the specific circumstances.

[0020] In addition, the terms "install", "set", "provided with", "connect", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. The connection methods involved in this article are prior arts, without any improvement, and are all common knowledge of those skilled in the art. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0021] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0022] In this embodiment 1,

[0023] like Figures 1 to 4 As shown, the utility model provides a detachable screwdriver assembly, comprising a screwdriver 1 and a shank 2 detachably connected to the screwdriver 1; an opening 3 is provided at the upper end of the screwdriver 1, a connecting unit 4 is provided in the opening 3, the connecting unit 4 is hollow inside, and the shank 5 passes through the connecting unit 4 and is connected to the screwdriver 1;

[0024] The blade 5 is connected to the screwdriver 1 through the connecting unit 4, which has a simple structure and is easy to use. The blade 5 can be easily replaced to adapt to screw holes of different depths.

[0025] The screwdriver 1 is provided with a shell 14, and a through hole 15 communicating with the screwdriver 1 and a connecting unit 4 arranged in the screwdriver 1 is provided. A limiting block 16 is provided on the shell 14, and the limiting block 16 passes through the through hole 15 on the screwdriver 1 to the through hole 15 of the connecting unit, and the connecting unit 4 is limited in the opening 3 by the limiting block 16.

[0026] The connecting unit 4 includes an outer wall 5 that fits with the opening 3 and an inner wall 6 that fits with the knife bar 2. The outer wall 5 and the inner wall 6 are integrally formed. The outer wall of the connecting unit 4 is provided with a guide groove 7, and the inner wall of the connecting unit 4 is provided with a spring sheet 8. The upper end of the connecting unit 4 is provided with a circle of outer edges 9, and the connecting unit 4 is mounted on the opening 3 through the outer edges 9.

[0027] By providing the guide groove 7 and the spring piece 8 on the connecting unit 4, the connecting structure is more stable, simple in structure and more flexible in use;

[0028] The outer edge 9 at the four ends of the connection unit can prevent the connection unit 4 from slidingly engaging with the screwdriver 1 , thereby making the connection between the connection unit 4 and the screwdriver 1 more stable and firm, and making disassembly quick and convenient.

[0029] A guide rail 10 adapted to the guide groove 7 is provided in the opening 3, and the connecting unit 4 is slidably engaged with the guide rail 10 through the guide groove 7;

[0030] The connecting unit 4 is tightly coupled with the screwdriver 1 . The connecting unit 4 is detachably designed and can be slidably coupled with the guide rail 10 in the opening 3 through the guide groove 7 on the connecting unit 4 , thereby providing strong stability.

[0031] The knife bar 2 includes a knife head 11 and a rod body 12. The rod body 12 is provided with an annular groove 13 for clamping with the spring piece 8. The knife bar 2 is clamped with the spring piece 8 through the annular groove 13. The knife bar 2 cooperates with the connecting unit 4 to connect with the screwdriver 1.

[0032] The cutter head 11 and the rod body 12 are integrally formed, and the annular groove 13 provided on the rod body 12 is adapted to the spring piece 8. The cutter bar 2 is inserted into the screwdriver 1 and the spring piece 8 is deformed under force and snapped into the annular groove 13, making disassembly simple and easy to use. The corresponding cutter bar 2 can be replaced according to screw holes of different specifications, which has high flexibility.

[0033] like Figures 1 to 4 As shown, when the user uses the screwdriver, the tool bar 2 is inserted into the connecting unit 4, and the spring piece 8 in the connecting unit 4 is deformed by force and slides to the annular groove 13, and the tool bar 2 is connected to the screwdriver 1;

[0034] When the user takes out the shank 2 , the shank 2 is pulled out of the screwdriver 1 , and the connecting unit 4 is deformed by force and slides out of the annular groove 13 , and the shank 2 is separated from the screwdriver 1 .

[0035] In this embodiment 2,

[0036] When the connection structure between the connecting unit 4 and the screwdriver 1 is a snap-on type, a barb is provided in the opening 3 of the screwdriver 1, and a slot that cooperates with the barb is provided on the outer wall 5 of the connecting unit 4; when in use, the connecting unit 4 is inserted into the opening 3 of the screwdriver 1, the barb slides into the slot, and the connecting unit 4 is snap-connected with the screwdriver 1.

[0037] In this embodiment 3,

[0038] When the connection structure between the connecting unit 4 and the screwdriver 1 is a spiral type, an internal thread is provided in the opening 3 of the screwdriver 1, and an external thread matching the internal thread is provided on the outer wall 5 of the connecting unit 4; when in use, the connecting unit 4 is rotated into the opening 3 of the screwdriver 1, the internal thread matches the external thread, and the connecting unit 4 is clamped with the screwdriver 1.

[0039] In this embodiment 4:

[0040] When the connection structure between the connection unit 4 and the screwdriver 1 is magnetic, a magnet is provided in the opening 3 of the screwdriver 1, and a magnetic metal sheet is provided on the outer wall 5 of the connection unit 4; when in use, the connection unit 4 is placed close to the opening 3 of the screwdriver 1, the magnetic metal sheet is attracted by the magnet, and the connection unit 4 is magnetically connected to the screwdriver 1.

[0041] In this embodiment 5

[0042] When the connection structure between the connecting unit 4 and the screwdriver 1 is a nested structure, a nesting groove is provided in the opening 3 of the screwdriver 1, and a nesting ring is provided on the outer wall 5 of the connecting unit 4; when in use, the nesting ring of the connecting unit 4 is inserted into the nesting groove of the screwdriver 1, the nesting ring and the nesting groove are nested and connected, and the connecting unit 4 and the screwdriver 1 are nested and connected.

[0043] In this embodiment 6

[0044] When the connection structure between the connecting unit 4 and the screwdriver 1 is a snap-on type, a snap-on is provided in the opening 3 of the screwdriver 1, and a snap-on hole is provided on the outer wall 5 of the connecting unit 4; when in use, align the snap-on hole of the connecting unit 4 with the snap-on of the screwdriver 1, press the connecting unit 4, the snap-on is snapped into the snap-on hole, and the connecting unit 4 is snap-connected with the screwdriver 1.

[0045] In this embodiment 7

[0046] When the connection structure between the connection unit 4 and the screwdriver 1 is a quick-release type, a quick-release button is provided in the opening 3 of the screwdriver 1, and a quick-release slot is provided on the outer wall 5 of the connection unit 4; when in use, the quick-release slot of the connection unit 4 is aligned with the quick-release button of the screwdriver 1, the quick-release button is pressed, the quick-release button is inserted into the quick-release slot, and the connection unit 4 is quickly connected to the screwdriver 1.

[0047] In this embodiment 8

[0048] When the connection structure between the connecting unit 4 and the screwdriver 1 is a latch type, a latch is provided in the opening 3 of the screwdriver 1, and a latch hole is provided on the outer wall 5 of the connecting unit 4; when in use, the latch hole of the connecting unit 4 is aligned with the latch of the screwdriver 1, the latch is inserted, and the latch is inserted into the latch hole, and the connecting unit 4 is connected to the screwdriver 1 by the latch.

[0049] In this embodiment 9

[0050] When the connection structure between the connection unit 4 and the screwdriver 1 is a threaded type, an internal thread is provided in the opening 3 of the screwdriver 1, and an external thread is provided on the outer wall 5 of the connection unit 4; when in use, the external thread of the connection unit 4 is aligned with the internal thread of the screwdriver 1, and the connection unit 4 is rotated, the external thread is rotated and connected with the internal thread, and the connection unit 4 is threadedly connected with the screwdriver 1.

[0051] In this embodiment 10

[0052] When the connection structure between the connection unit 4 and the screwdriver 1 is a clamping type, a clamp is provided in the opening 3 of the screwdriver 1, and a clamping groove is provided on the outer wall 5 of the connection unit 4; when in use, the clamping groove of the connection unit 4 is aligned with the clamp of the screwdriver 1, the clamp clamps the clamping groove, and the connection unit 4 and the screwdriver 1 are clamped and connected.

[0053] In the description of this specification, reference is made to the terms "one embodiment", "some embodiments", "examples", "specific examples", etc.

[0054] The description of "example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0055] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the prior art, which will not be described in detail here.

[0056] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, various changes and variations can be made in the specific implementation methods and application scopes based on the ideas of the present invention. The content of this specification should not be understood as a limitation on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A detachable screwdriver assembly, characterized in that: It comprises a screwdriver and a knife bar detachably connected to the screwdriver; an opening is arranged at the upper end of the screwdriver, a connecting unit is arranged in the opening, the connecting unit is hollow inside, and the knife bar passes through the connecting unit and is connected to the screwdriver.

2. A detachable screwdriver assembly according to claim 1, characterized in that: The connecting unit includes an outer wall that fits with the opening and an inner wall that fits with the knife rod. The outer wall and the inner wall are integrally formed. The outer wall of the connecting unit is provided with a guide groove, and the inner wall of the connecting unit is provided with a spring sheet. The upper end of the connecting unit is provided with a circle of outer edge, and the connecting unit is mounted on the opening through the outer edge.

3. A detachable screwdriver assembly according to claim 2, characterized in that: A guide rail matched with the guide groove is arranged in the opening, and the connecting unit is slidably engaged with the guide rail through the guide groove.

4. A detachable screwdriver assembly according to claim 2, characterized in that: The knife bar comprises a knife head and a rod body, the rod body is provided with an annular groove engaged with the spring sheet, the knife bar is engaged with the spring sheet via the annular groove, and the knife bar cooperates with the connecting unit to be connected with the screwdriver.

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