TWI271281B - An extendable handle structure for hand tools - Google Patents

Abstract

This invention discloses an extendable handle structure, which mainly includes a tool main body that has a shaft and a grip. The shaft has an upper and lower external threaded part at appropriate positions, and is equipped with locking device near the lower threaded part. When the shaft is fitted on the grip that has inner treads, the shaft and the grip could thread together securely. By means of the external threads and locking device on the shaft, and the inner treads on the grip, the grip will not come loose when the handle is adjusted for extension. This design enables the handle to be extended when higher torque arm is needed. Therefore, the design will increase the convenience of the tool.

Description

1271281 V. INSTRUCTION DESCRIPTION α) [Technical Field of the Invention] The present invention relates to an "extensible handle structure", and more particularly to a hand tool capable of extending positioning of a grip portion, thereby providing a long force Arms, to get strong torque, real hand tools, development technology field. [Prior Art] According to the current domestic hand tools industry, it is quite mature. Whether it is a hand tool such as a wrench, a pliers or a screwdriver, its types are quite diverse, and the quality of its production has a considerable reputation. As far as hand tools are concerned, they are one of the necessary tools for the mechanical industry, the automotive industry or the general household. Especially for the mechanical industry or the automotive industry where many parts are assembled, it is an indispensable auxiliary tool. Therefore, in general, the industry faces limited space when operating hand tools during work, or the range of motion of the hand tool locking and dismounting screws is just blocked by an object, and the hand tool grip cannot be elongated or It is a problem that cannot be instantly exchanged for a long grip hand tool, which will affect the work process. Moreover, if it is used in a large hand tool, it often happens that the grip is too long, but it is not conducive to carrying. Even when collecting, it takes up more space, and in the modern society. In the middle, the convenience of easy to carry and carry is also a consideration that cannot be ignored. The result of the inability of both fish and bear's paws makes the hand tools often have to make a choice between practicality and convenience. There is a lack of regret for this. In view of the fact that the above-mentioned conventional hand tools cannot take into consideration both practicality and convenience, the inventors of the present invention have unsatisfactory advantages and are deeply aware of the necessity for improvement.

Page 5 1271281

The experience in designing and manufacturing such products has been studied and conceived experimentally and revised, and the present invention has been devised and the industry has been promoted. 5 and improvement, can be more practical after a long period of time, the present invention is an extendable handle structure, comprising - a handle, the tool body is provided with a grip rod at one end Body, 兮I, at least an external thread is formed at the appropriate position of the shaft, and is held at the grip rod

The handle is sleeved on the grip portion in a movable extension manner, and the handle can be screwed with the boat thread of the grip portion by the internal thread provided at the open end thereof. At least a ring groove is arranged around the inner diameter of the grip, and the groove can be positioned against the card abutting device; μ 4 has the following features through the above structural design: 1. When the handle is sleeved on When the grip portion is gripped, the grip is screwed tightly on the grip portion rod in a spiral manner, and the inner diameter of the grip is provided with an internal thread for screwing, so that the grip can be more stably held in the grip. In the body of the club.

2. When the handle is stretched out, it can be stretched outward to the ring to resist any ring groove in the handle, so as to achieve the optimum extension length according to the working environment. Efficacy, solving the problems of the past in limited space and the need for longer tools and items. Second, the length of the creation can be extended to the longest length, the handle is completely 杈 the grip body, and the internal thread of the open end of the handle is directly screwed to the grip.卩, I external thread, and reach the longest extension of the grip, because the screw screw is recognized, so there is no shedding, which is actually a very convenient invention.

Page 6 1271281 V. Description of Invention (3) """ As mentioned above, the present invention still has the use of any hand tool for any wrench handle' and is used in a limited space, or can not be obtained longer In the case of replacing the handle tool with 'handle', it can be replaced or replaced by this extension method; in addition, the above tools can not only choose a size and type, but also have a hand tool for the handle. The product is designed to be mainly an industrial use value. [Embodiment] FIG. 1 and FIG. 2 show the extendable handle structure and the body (1 (2) for convenience of explanation of the tools referred to in the present invention. The wrench tool is a structural description, which is used on the hand tools of different evil samples according to the eight-feng system. The core is first described. The tool body (1 〇) has a 'grip (2 0) corpse with a grip. Hold the dry body (1 1 ) and the end 8) The slap of the grip part body (1 1 ) is to set the upper and lower external threads ( 1 ) and the unthreaded external thread ( 1 i 2 ) Appropriate ϋ, i 1 2 ) ' and connect it, it is used for accommodating - snapping device (1 accommodating hole (1"), lower external thread (iii) = 'grip rod body (1) The main purpose of the design is to use a snap-on device (15 on the grip body (ii) to make the grip (20) more stable and screwed.] See Figure 3 for protection. Kf 0 inner screw (2 Π 1 , Ganshanshan grip (2 〇) open end with one person, d U 1 ), which is based on r 〇A, :(1 1 1) ·, can be used screw 2 ) set on the grip bar Thread (i i i]: Formula: Thread 2 (1 square 2) and 12) is screwed tight, the grip increase

V. Description of the invention (4) Stability of the holding, four and elastic yellow (1 2 2) elasticity to the fixed position of the mouth, and the section tension adjustment handle (2 〇7, ί衣沟(2 〇 2) and the clamping device (i 2 ) in the grip body and the upper soil 3) are mutually restrained, and the inside of the grip (2 〇) and the ⁄ κ groove (2 0 2 ) can be used by The ball-receiving device (with a number of rings 2 at intervals) has a steel ball (1 2 1 & 'user can work according to the job' / 'make the handle (2 0 1 1 ) to accommodate the hole (if its extension length, Applying the most d to the hand tool, the inventor wants to emphasize the effect of the pot.

Device (Chuan..., please refer to the figure: Figure and card are attached to the handle (2 〇) # set in. The J can be operated on the original length of the tool body (on the 1st, except for longer) When the length is actuated, it can be shown) if necessary, 'the card abutting device (12) is restrained from the grip body (H 2 ), thereby extending the length of the grip: different from each other); , m long girl with a few grooves in the bad groove (2 0 2), if you need more)) 2 feet in the inner space) for the user needs ^ grip, the handle can be held The extension table; and: = = to reach the maximum extension of the different lengths of the invention, for 彳^ again stressed that the formation::: = diagram; body (i1) under the external thread (η... limited space or Need to be longer: when the grip is solved: face another, please refer to the sixth figure to the eighth figure, ^. Difficulty. Can be used for another embodiment, the invention;: '=2 this system, 丨r < The structure can be applied to not the 1271281 invention description 'hand tools, the handle of the shank design improvement handles, in order to make the action principle one, the creation External thread, 〇), it can be rigid. 2. This can be screwed into the grip 0 2 ), its main device (1 2 ), to reach the grip length, can be the grip body (1 1 workflow There are two, the creation of the wide tip is easier than the front and the holding of the four, and the plastic coating layer, can feel the handle of the five-handed grip, whether it is using tools, can be implemented, will Its design is not expensive for the review committee and its function. The grip of the pretense is set in a spiral handle. (The holding rod is the steel ball that should be used as the handle (1 holding section long handle (2 0 )) The outer screw has a space or a grip to be made (the end of the main part of the rod is created by the upper and lower grips to increase its own comfort. For wrench tools or screwdriver tools, even depending on the handle or grip) The design is designed to maximize the effectiveness, so that the innovator can understand the warehouse more clearly and clearly. The rod body (1 1 ) has internal thread (2 0 1 ) in different positions. Easy to screw, it can increase the spacing handle (grip 2 0) 11) (20 2 1) The internal thread of the extension (1 longer 2 0) is for sliding, (2 〇 real feel, except for the upper and inner diameters) is stretched to resist the performance, Pattern (2 〇12). When the handle is 'a round 枉 is pulled open or not there is one' on the outside, when using internal thread (when there is a loop, the ring groove (2 to max 1) is screwed All of the above can be embarrassing. The body, the bottom of the return handle wire is not smooth, the package can be used when using the 2 0 1 groove (2 let the card to 0 2) extended to the grip to solve the diameter of the end. When the layer is covered,

BRIEF DESCRIPTION OF THE DRAWINGS (6) The above description is only for the purpose of explaining the preferred embodiments of the present invention, and is not intended to limit the invention in any way, so that it is in the spirit of the same invention. Any modifications or variations relating to the present invention should still be included in the scope of the present invention, wherein the tool body can also be implemented as an open end wrench, a wrench, a socket wrench, a ratchet wrench, a spanner wrench or the like. A hand tool having a grip, and utilizing an extendable, shortened telescopic grip on the grip to enhance the moment. In summary, the extendable handle structure of the present invention is fully in line with the development of the industry in terms of structural design, practicality and cost-effectiveness, and the disclosed structural invention has an unprecedented innovative structure, so The "newness" should be undoubtedly considered, and the invention can be more effective than the conventional structure, and therefore has "progressiveness", which fully complies with the requirements of the application requirements of the invention patents of the Chinese Patent Law. Patent applications, and please ask the bureau for an early review and give affirmation.

Page 10 1271281 BRIEF DESCRIPTION OF THE DRAWINGS The first figure is an exploded view of the structure of the handle that can be extended by the present invention. The second figure is a partial perspective view of the extendable handle structure of the present invention. The third figure is a partial cross-sectional view of the handle structure of the present invention that can be extended. The fourth figure is a schematic cross-sectional view of the stretchable state of the handle structure of the present invention. The fifth drawing is a schematic view of the stretched handle structure of the present invention after stretching. The sixth to seventh figures are schematic views of a second embodiment of the extendable handle structure of the present invention. The eighth to ninth drawings are schematic diagrams of the third embodiment of the extendable handle structure of the present invention. 0 -2-21 112 2 ο 1± TH T—H 1± 〇0 A grip portion of the rod body is externally threaded one by one. Device - spring - internal thread

[Description of Symbols] 10 —---Tool body 111---Upper external thread 1 1 3 —One-to-one receiving hole 1 2 1———Steel 2 0 ————Handle 2 0 2 --- Ring groove

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Claims (1)

1271281 VI. Scope of application for patents - Appropriate grip body - ^ 抵 The handle of the rib groove can be as active, 2, 3, and 4, and the other. 5, the other is 0, one can, the tool is at least shaped; the handle is attached and can be set by it, and the card is offset by the extension card, according to the application, the card, according to the application In the middle, the thread is gripped. According to the application, according to the application, the handle structure of the extension of the work mainly includes a tool body, and one end of the body is provided with a grip portion, the grip portion is formed into an external thread, and the grip portion is The movable portion of the body is sleeved on the grip portion, and the internal thread provided at the open end and the inner portion of the grip portion are screwed to at least a ring groove at an appropriate inner diameter of the grip. The production devices are mutually clamped and positioned; the external thread and the card abutting device cooperate with the ring groove to achieve the function of the grip position. The extendable handlebar attachment device described in item 1 of the patent scope includes steel balls and magazines. Please extend the outer diameter of the handle of the handle of the handle of the first paragraph of the patent range to provide the external screw for the grip screw. Please extend the handle as described in item 1 of the patent scope. The wrench tool of the single grip part body, please extend the handle as described in item 1 of the specialist scope. This system has a symmetrical grip part rod clamp tool. Page 12