CN215093260U - Sheath and have screwdriver of this sheath - Google Patents

Abstract

The utility model relates to an electric tool technical field, concretely relates to sheath and have screwdriver of this sheath. The existing screwdriver protective sleeve is arranged at the handle part, so that the whole screwdriver body cannot be protected, and the safety problem of tool bit exposure cannot be solved. In order to solve the problem, the utility model adopts the following technical scheme: the sheath of the screwdriver comprises a screwdriver handle sheath and a screwdriver head sheath, wherein the screwdriver handle sheath can cover the periphery of the screwdriver handle of the whole screwdriver and is tightly attached and fixed; the cutter head sheath can coat the whole cutter head part, and the joint of the cutter handle sheath and the cutter head sheath is tightly connected to form complete coating on the peripheral side of the screw cutter. In this technical scheme, the screwdriver sheath can all carry out the cladding with whole handle of a knife and tool bit, can prevent to break, also makes the tool bit not expose outside simultaneously, has reduced the potential safety hazard that causes children, pet etc..

Description

Sheath and have screwdriver of this sheath

Technical Field

The utility model relates to an electric tool technical field, concretely relates to sheath and have screwdriver of this sheath.

Background

In the field of mounting tools, the application of screwdrivers is very common. With the development of science and technology, more and more electric tools enter the eye curtains of people, and the electric screwdriver is one of the electric tools. In the process of continuous iteration, a small electric screwdriver in a cylinder shape is gradually accepted by the market. The electric screwdriver has the characteristics of small volume, portability, high installation speed and labor saving. However, the vibration is large during installation, the surface of the handle is hard, the shape of the column body is easy to slip, and the situation of an asymmetric hand can occur sometimes during use. Sometimes the electric screwdriver falls off during the placing process, which can cause the damage of the electronic components. Meanwhile, the replaceable cutter head is always exposed, and the metal piece of the replaceable cutter head can also cause potential safety hazards to children, pets and the like.

The existing screwdriver sheath is mostly suitable for manual screwdrivers. For example, a Chinese utility model patent with a patent number of CN2238710Y, named as screwdriver with anti-skid sheath discloses a screwdriver with an anti-skid sheath, which comprises a rotary knife and a handle, wherein the anti-skid sheath is tightly sleeved outside the handle. The arrangement mode is suitable for a manual screwdriver, only the friction force during manual screwing can be increased, the whole screwdriver body cannot be protected, meanwhile, the head is still exposed outside, the safety problem of the screwdriver head cannot be solved, and the arrangement mode is not suitable for an electric screwdriver.

Disclosure of Invention

In order to solve the above problem, an object of the present invention is to provide a sheath and a screwdriver having the same.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the sheath of the screwdriver comprises a screwdriver handle sheath and a screwdriver head sheath, wherein the screwdriver handle sheath can cover the periphery of the screwdriver handle of the whole screwdriver and is tightly attached and fixed; the cutter head sheath can coat the whole cutter head part, and the joint of the cutter handle sheath and the cutter head sheath is tightly connected to form complete coating on the peripheral side of the screw cutter.

The technical scheme of the utility model among, the screwdriver sheath can all carry out the cladding with whole handle of a knife and tool bit. Therefore, the screwdriver can be protected, and when the screwdriver slides down, the screwdriver can be prevented from being broken. Meanwhile, the cutter head is not exposed outside, so that the potential safety hazard to children, pets and the like is reduced.

Preferably, the shape and the inner diameter of the mounting hole in the shank sheath are consistent in the axial direction, and the shank sheath is mounted on the periphery of the shank by the shank sheath penetrating in the axial direction.

In a preferred scheme, the section shape and the inner diameter of the mounting hole of the screwdriver handle sheath at any position are the same, so that the screwdriver handle can be matched with a long-strip-shaped columnar screwdriver handle with uniform thickness. When the screwdriver handle is matched with the screwdriver handle sheath, and the inner diameter of the screwdriver handle sheath is consistent in shape, the screwdriver handle sheath can be directly sleeved on the screwdriver handle to be installed on the periphery of the screwdriver handle, and the installation process is convenient and smooth.

Preferably, the upper end of the cutter head sheath is fixed on the cutter handle sheath or fixed on the periphery of the bottom of the cutter handle. The side of the tool bit sheath is sleeved on the tool handle sheath, or the side of the tool handle bottom is sleeved on the side of the tool bit sheath, so that the tool bit sheath is not easy to fall off. In one scheme, the upper end of the cutter head protective sleeve is sleeved on the cutter handle protective sleeve. The connecting part of the knife handle sheath is provided with an inner step surface, the connecting part of the knife head sheath is provided with an outer step surface corresponding to the inner step surface, and the upper part and the lower part and the inner part and the outer part of the two step surfaces are abutted to realize the sleeving and fixing. In another scheme, the upper end of the tool bit sheath is sleeved on the screwdriver handle and is sleeved on the periphery of the screwdriver handle in a tight fit manner to realize fixation.

Preferably, the handle sheath and the bit sheath are made of elastic materials, and the handle sheath can be fixed on the periphery of the screwdriver through elastic compression.

When the sheath is made of elastic materials such as silica gel, the installation hole of the sheath can be slightly smaller than the size of the screwdriver handle, and the screwdriver handle is placed in the sheath through elastic deformation during installation. Therefore, after the screwdriver is installed, the friction force between the sheath and the screwdriver handle is large due to the elastic compression of the elastic material, and the displacement between the sheath and the screwdriver handle is not easy to occur during use. In addition, the sheath made of the elastic material can provide buffer for the sliding of the screwdriver, and better protection is formed.

Preferably, the inner wall of the mounting hole in the handle sheath is provided with a tangent plane with at least one side matched with the handle of the screwdriver.

The mounting hole inner wall sets up the relative position that screwdriver handle of a knife can be fixed to one side at least and the tangent plane of screwdriver handle of a knife can be selected as the sheath, when choosing hard material as the sheath, the tangent plane of agreeing with the screwdriver handle of a knife can guarantee that the sheath does not take place and the displacement between the handle of a knife. When the hard sheath is selected, the hard sheath can be sleeved and mounted, and can also be buckled and mounted. The sheath can be divided into two parts along the axial direction, and the installation mode can adopt the form of side spiral-lock.

Preferably, the rear end of the handle sheath is provided with an opening for charging. When the driver is an electric driver, the charging port is generally provided at the rear end of the holder. The rear side end of the handle sheath is provided with an opening for charging, so that the handle sheath can be prevented from being frequently disassembled and assembled, and the handle sheath can be charged under the condition that the sheath is arranged. The rear side of the knife handle sheath can be an opening which is not covered at all, and can also be a movable opening which is covered but can be opened and closed. As long as the function of exposing the charging port can be satisfied.

Preferably, the periphery of the sheath of the knife handle is provided with anti-skid patterns and/or anti-skid protrusions.

The screwdriver is used as a tool needing torsion when in use, and the circumferential friction force of the screwdriver handle can improve the use efficiency when in screwing. The side sets up anti-skidding decorative pattern all around the handle of a knife sheath, like anti-skidding twill, perhaps anti-skidding arch can promote the frictional force between hand and sheath, places and takes place to skid between hand and handle of a knife sheath, improves and twists and moves efficiency.

Preferably, the surface of the handle sheath is further provided with a key area corresponding to the electric screwdriver key and capable of controlling the key, and the key area is an open area designed in a hollow manner or an operating area designed according to the shape of the key in a coating manner. When the screwdriver sheath is used on the electric screwdriver, an operation space needs to be reserved for an operation key of the electric screwdriver. One scheme can be realized through setting up the fretwork in the button district, because the sheath has certain thickness, still can avoid button and ground to produce direct collision or friction when falling, plays the guard action. In another scheme, particularly when the key sheath is made of elastic material, a coating matched with the shape of the key can be arranged in the key area, and the elastic material allows certain deformation, so that the key can be directly operated outside the sheath. In this solution, the sheath maintains the integrity and enables the protection of the keys against dust and water.

A screwdriver equipped with a sheath of any of the above screwdrivers.

Preferably, the screwdriver handle is a polygonal cylinder which is axially stretched. The sheath is preferably used with a small straight barrel screwdriver.

One of the effects that the screwdriver sheath in the utility model is intended to realize is to realize the integral protection of the screwdriver body and the screwdriver head and prevent the screwdriver from being broken; secondly, the tool bit is coated, so that the injury to a user is prevented; thirdly, the friction force and the holding hand feeling of a user are increased, so that the screwdriver is better in use. The utility model provides a screwdriver wants the technological effect who realizes be with screwdriver sheath looks adaptation, on this kind of screwdriver, the function of sheath can the at utmost realize.

Drawings

Fig. 1 is a schematic view of a sheath structure of a screwdriver according to an embodiment of the present invention;

fig. 2 is a top view of a sheath handle of a screwdriver according to an embodiment of the present invention;

fig. 3 is a top view of a sheath bit of a screwdriver according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a use state of a sheath of a screwdriver according to an embodiment of the present invention when the sheath is mounted on the screwdriver;

fig. 5 is a schematic view of a screwdriver according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1-4, the utility model relates to a sheath of a screwdriver, which comprises a handle sheath 1 and a bit sheath 2, wherein the handle sheath 1 can cover the whole circumference of a screwdriver handle 81 and is tightly fixed; the cutter head sheath 2 can cover the whole cutter head 82, and the joint of the cutter handle sheath 1 and the cutter head sheath 2 is tightly connected to form complete coating on the peripheral side of the screw cutter. The shape and the inner diameter of the mounting hole 3 in the cutter handle sheath 1 are consistent in the axial direction, and the cutter handle sheath 1 is axially inserted through the cutter handle to realize the mounting on the peripheral side of the cutter handle 81. The upper end of the tool bit sheath 2 is fixed on the tool handle sheath 1. The tool holder sheath is provided with step surfaces at the joint, the tool bit sheath is provided with step surfaces corresponding to the tool holder sheath at the joint, and the tool holder sheath is fixedly sleeved through the abutting of the two step surfaces. The handle sheath 1 and the head sheath 2 are made of elastic silica gel materials, and the handle sheath 1 can be fixed on the periphery of the screwdriver 8 through elastic compression. The rear end of the handle sheath 1 is provided with an opening, so that charging can be conveniently carried out, and the opening is a through hole with the same shape as the mounting hole of the sheath of the screwdriver. The anti-skid protrusions 6 are arranged on the periphery of the knife handle sheath 1. The surface of the handle of a knife sheath 1 is also provided with a button area 7 which corresponds to the electric screwdriver button and can control the button, and the button area 7 is an opening area designed in a hollow manner.

In this embodiment, the upper end of the tool bit sheath 2 can also be fixed on the bottom periphery of the tool holder 81. The upper end of the tool bit sheath is sleeved on the screwdriver handle, and the tool bit sheath is fixed by being tightly matched with the periphery of the screwdriver handle in a sleeved mode.

In this embodiment the rear end of the handle sheath 1 can be sealed and a movable opening capable of being opened and closed is arranged at the charging port, the opening can be opened during charging and closed during non-charging, thereby facilitating charging and having a dustproof function.

The periphery of the knife handle sheath 1 of the embodiment can also be provided with anti-skid twill. The anti-skidding twill can set up with the non-slip raised piece simultaneously, strengthens anti-skidding effect, also can replace the non-slip raised piece to set up alone, gives the crowd that has different use habits and selects.

In the knife handle sheath 1 of the embodiment, a coating conforming to the shape of the key can be arranged in the key area except for the hollow-out arrangement method. The coating can play a dustproof and waterproof role in the design of the coating.

The sheath material of this embodiment can also adopt the ya keli material of stereoplasm. When the sheath is made of hard materials like this, the size of the mounting hole of the sheath is slightly larger than that of the screwdriver handle, so that the sheath can be smoothly mounted on the outer side of the handle. The installation mode can also adopt a side buckling mode instead of a sleeve type. Because the mounting holes 3 of the mounting shell made of hard material, such as the mentioned acrylic shell, are slightly larger than the handle of the screwdriver, a structure for helping force application needs to be arranged to prevent the sheath from slipping with the handle. As shown in fig. 2, in the scheme of using the acrylic material, six tangent planes 4 matched with the screwdriver handle 81 can be arranged in the mounting hole 3 to provide a force application point between the sheath and the screwdriver handle, so that the friction force is improved, and the circumferential relative sliding between the sheath and the screwdriver handle 81 is reduced or avoided.

Example 2

As shown in fig. 5, the present invention relates to a screwdriver, wherein the screwdriver 8 is provided with a sheath of any one of the screwdrivers described in embodiment 1. The handle 81 of the screwdriver 8 is a hexagonal cylinder which is axially stretched.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (10)

1. The sheath of the screwdriver is characterized in that: the sheath comprises a knife handle sheath (1) and a knife head sheath (2), and the knife handle sheath (1) can cover the periphery of the whole screwdriver handle (81) and is tightly attached and fixed; the cutter head sheath (2) can cover the whole cutter head (82), and the joint of the cutter handle sheath (1) and the cutter head sheath (2) is tightly connected to form complete coating on the peripheral side of the screw cutter.

2. The sheath of a screwdriver as defined in claim 1, wherein: the shape and the inner diameter of the mounting hole (3) in the cutter handle sheath (1) are consistent in the axial direction, and the cutter handle sheath (1) penetrates through the cutter handle in the axial direction to realize the mounting on the peripheral side of the cutter handle (81).

3. The sheath of a screwdriver as defined in claim 1, wherein: the upper end of the cutter head sheath (2) is fixed on the cutter handle sheath (1) or fixed on the periphery of the bottom of the cutter handle (81).

4. The sheath of a screwdriver as defined in claim 2, wherein: the screwdriver handle sheath (1) and the screwdriver head sheath (2) are made of elastic materials, and the screwdriver handle sheath (1) can be fixed on the periphery of the screwdriver (8) through elastic compression.

5. The sheath of a screwdriver as defined in claim 2, wherein: the inner wall of the mounting hole (3) in the knife handle sheath (1) is provided with a tangent plane (4) at least one side of which is matched with the screwdriver handle (81).

6. The sheath of a screwdriver as defined in claim 1, wherein: the rear side end of the knife handle sheath (1) is provided with an opening for charging.

7. The sheath of a screwdriver as defined in claim 1, wherein: the side of the knife handle sheath (1) is provided with anti-skid patterns and/or anti-skid bulges (6).

8. The sheath of a screwdriver as defined in claim 1, wherein: the surface of the handle of a knife sheath (1) is also provided with a button area (7) corresponding to the electric screwdriver button and capable of controlling the button, and the button area (7) is an opening area designed in a hollow mode or an operation area designed according to the shape of the button in a coating mode.

9. A screwdriver which is characterized in that: the screwdriver (8) is provided with a sheath of any one of the screwdrivers according to claims 1-8.

10. The screwdriver as defined in claim 9, wherein: the screwdriver handle (81) of the screwdriver (8) is a polygonal cylinder which is axially stretched.

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