TWM465248U - Power tool with protective cover - Google Patents

Description

Power tool with protection kit

The present invention relates to a power tool, and more particularly to a power tool with a protective kit that can achieve safe use.

Referring to FIG. 1 , a power tool 10 includes a body 11 , a collet 12 pivotally disposed at a front end of the body 11 , and a downwardly extending rear end of the body 11 for a user's hand. a holding handle 13 for holding and holding a tool (such as a screwdriver, a hex wrench, a drill bit, etc.), a switch 131 at the front edge of the handle 13 and a lower end of the handle 13 There is a joint 132 for allowing high-pressure air to pass. When the user wants to operate the power tool 10, the hand grips the handle 13 and allows the index finger to extend to the switch 131 to press it, and the high-pressure air can be accessed. The chuck 11 is rotated in the body 11, whereby the tool mounted on the chuck 12 can drive the specific article. Although the above-mentioned action is a common operation mode of the general power tool 10, when the power tool 10 drives the article, the reaction force passes through the upper portion of the body 11 via the chuck 12, and the power tool 10 is only used under the grip 13 The hand grip is supported, and the upper portion of the body 11 lacks the effective support force, which will cause the power tool 10 to be easily shaken when the power tool 10 is operated, so that the tool cannot be properly aligned with the article for driving.

Referring to FIG. 2, there is another power tool 20, which also includes a body 21, a collet 22 and a handle 23. A switch 231 for controlling the rotation of the collet 22 is disposed at the front edge of the handle 23, and The difference between the above-mentioned conventional power tool 10 is that the body 21 of the other power tool 20 has a wing portion 211 protruding from the left and right sides. When the user holds the handle 23 with the hand, the utility model can The two fingers of the index finger and the index finger are clamped on both sides of the body 21, and the tiger mouth portion of the user's hand just abuts against the rear end edge of the body 21, and the wing portions 211 of the body 21 are available for the user's thumb and forefinger. By the contact, at this time, the user uses the middle finger to extend to the switch 231 for pressing. This operation mode allows the upper part of the body 21 to obtain the effective supporting force, but the user's index finger is extended due to the forward relationship. The index finger is longer and often stretches and touches the collet 22. When the collet 22 is in a high-speed state, it often causes damage to the user's hand.

Therefore, the present invention aims to provide a power tool with a protection kit that can achieve safe use.

Therefore, the present invention provides a power tool having a protection kit, comprising a power tool and a protection kit, wherein the power tool comprises a body, a chuck that is rotatably disposed at a front end of the body, and a rear end of the body a handle extending from the hand of the human body and a switch disposed at a front edge of the handle to activate the operation of the chuck; the protection kit is detachably sleeved on the body, and a recess for the body is recessed therein The mounting hole has a sleeve inlet connected to the mounting hole at the lower edge, and a cover portion for covering the chuck is provided at the front end of the protection kit, and the sides of the protection sleeve are At each of the convex portions, a wing portion for the human finger to contact is provided.

The utility model has the beneficial effects of: arranging a protection kit on the body, the protection kit has a cover portion capable of forming a wrap shape on the collet, and two wings for contacting the human hand finger and the index finger During operation, the fingers can be prevented from accidentally touching the rotating chuck, thereby achieving the effect of safe operation.

30‧‧‧Power Tools

31‧‧‧Ontology

32‧‧‧ chuck

33‧‧‧Handle

331‧‧‧Connector

34‧‧‧ switch

40‧‧‧protection kit

41‧‧‧Installation holes

42‧‧‧Set of entrances

43‧‧‧The cover department

44‧‧‧ wing

45‧‧‧Gap section

Other features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments of the accompanying drawings in which: FIG. 1 is a schematic diagram of a conventional use of a power tool; FIG. 2 is another conventional power tool. FIG. 3 is an exploded view of a preferred embodiment of a power tool having a protection kit. The present invention includes a power tool and a protection kit having a cover portion and a wing portion; FIG. 4 is the above BRIEF DESCRIPTION OF THE DRAWINGS FIG. 5 is a cross-sectional view taken along line VV of FIG. 4; FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. 4; A schematic diagram of the use of a preferred embodiment illustrates the use of the present invention using a protective kit; and Figure 8 is a schematic view of the use of the preferred embodiment of the present invention to illustrate the use of the present demolition protection kit.

Referring to Figures 3 and 4, the new power plant with a protection kit In a preferred embodiment, a power tool 30 and a protection kit 40 are mainly included. Next, the shape and combination of the above units will be described in detail.

The power tool 30 includes a body 31 that is slightly shaped like a gun, a collet 32 that is pivotally disposed at the front end of the body 31, and a grip that extends downward from the rear end of the body 31 for the human hand to hold. 33. A switch 34 disposed at a leading edge of the grip 33 to activate the operation of the collet 32. A lower end of the grip 33 is provided with a joint 331 for the passage of high-pressure air. When the high-pressure air enters the grip 33, the switch 34 is blocked from being closed. When the user presses the switch 34, the high-pressure air is pressed. The switch 34 can be used to reach the upper portion of the body 31, and a motor mechanism (not shown) inside the body 31 is driven. The motor mechanism is a common mechanism in general machinery, and the structure thereof will not be described in detail herein. . The motor mechanism can transmit power to drive the chuck 32 to operate. The center of the chuck 32 can be used for clamping and fixing a tool (not shown). The tool can be a screwdriver, a hex wrench, a drill bit, etc., so that After the chuck 32 is in operation, the tool can be driven to perform various driving operations.

Referring to FIG. 5, the protection kit 40 is a slightly semi-cylindrical shell body that is detachably sleeved on the upper half of the body 31. The protection kit 40 corresponds to the length of the upper half of the upper portion of the body 31. It is greater than 75mm. The protection sleeve 40 is internally provided with a mounting hole 41 for the body 31 to be nested with each other, and a sleeve inlet 42 communicating with the mounting hole 41 is defined at a lower edge thereof. The protection kit 40 is viewed from a cross section. The section of the sleeve is substantially C-shaped, and the diameter of the sleeve 42 is slightly smaller than that of the upper half of the body 31. The cross-sectional area is such that the body 31 needs to be hardly pushed through the set of inlets 42 and finally enters the mounting hole 41 to form a sleeve. The front end of the protection sleeve 40 extends forwardly with a cover portion 43. The cover portion 43 can be formed in a wrap shape. The protective sleeve 40 has a wing portion 44 protruding from the left and right sides, and the wing portion 44 is adapted to be in contact with the human body. In addition, referring to FIG. 4 and FIG. 6 , a cutout portion 45 is recessed in the rear lower edge of the protection sleeve 40 , and the position of the cutout portion 45 can be avoided to avoid the position of the switch 34 , thereby making the switch 34 exposed. Shape, in order to facilitate the user's finger to press.

The above is an overview of the structure and shape of the new power tool with a protective kit; then, the use of the new type of action and the expected effect can be stated as follows:

Referring to FIG. 7, when the user wants to use the present invention, the protection kit 40 can be sleeved and fixed on the body 31, so that the user's hand is pressed against the protection kit 40 by the thumb and the index finger. The wing portion 44 of the wing portion is gripped at the rear end edge of the body 31 to be effectively supported, and the middle finger of the user extends to the switch 34 to control the pressing action. At this time, the cover portion 43 of the protection kit 40 contacts the chuck. 32 is used as a cover to prevent the forefinger protruding from the human body from touching the collet 32 in operation, thereby achieving a safe operation effect.

Referring to FIG. 8, in addition, when the user does not want to use the protection kit 40, the protection kit 40 can be detached from the body 31, so that the user's entire hand is gripped on the handle 33, and the user The index finger extends to the switch 34 to control the pressing action, so the user does not have all the fingers The chuck 32 in operation is in contact, and the operation can also achieve a safe use effect.

In summary, the power tool with the protection kit of the present invention is mainly for improving the problems in the use of the conventional power tools 10 and 20. The present invention mainly uses a power tool 30 and a protection kit 40 to cooperate with each other. The protection kit 40 can be optionally disposed on the power tool 30. The front end of the protection kit 40 extends a cover portion 43 that can cover the collet 32, and the left and right sides are respectively provided with a user's thumb and index finger grip. The contact portion 44 can prevent the protruding finger of the human body from colliding with the running collet 32 when the user extends the thumb and the index finger to clamp the protection kit 40. This achieves a protective effect for safe use. In addition, the protection kit 40 of the present invention can also be selectively separated from the power tool 30, and the user's hand is held on the handle 33 of the power tool 30 for operation. Thus, the present invention can be used according to the user's operating habits. Without using the protection kit 40, the changing hand handles the power tool 30 in different holding manners, and in different operating states, the user's hand does not come into contact with the running collet 32, and is quite safe. Effect.

However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent change and modification of the scope of the patent application and the contents of the patent specification. , are still within the scope of this new patent.

30‧‧‧Power Tools

31‧‧‧Ontology

32‧‧‧ chuck

33‧‧‧Handle

331‧‧‧Connector

34‧‧‧ switch

40‧‧‧protection kit

43‧‧‧The cover department

44‧‧‧ wing

45‧‧‧Gap section

Claims (3)

A power tool with a protection kit includes: a power tool including a body, a spool that is rotatably disposed at a front end of the body, and a downwardly extending rear end of the body for holding the human hand a handle, and a switch disposed at a front edge of the handle to activate the operation of the chuck; and a protection kit detachably sleeved on the body, the interior of which is recessed with a body for the body a hole is formed at the lower edge thereof, and a sleeve inlet connected to the mounting hole is defined. The front end of the protection kit is provided with a cover portion capable of covering the chuck, and the two sides of the protection sleeve are respectively convex. There is a wing for the human finger to abut. The power tool with a protection kit according to claim 1, wherein a recess portion of the rear edge of the protection kit is formed to expose the switch. The power tool with a protection kit according to claim 1, wherein the protection kit is a shell body having a slightly semi-cylindrical shape, wherein a section is substantially C-shaped and detachably disposed on the body In the half portion, the length of the protection kit corresponding to the longitudinal direction of the upper half of the body is greater than 75 mm, and the diameter of the inlet of the sleeve is smaller than the cross-sectional area of the upper half of the body.