TWM254306U - Position-limiting structure for switching bar of ratchet wrench - Google Patents

Description

M254306 'Creation of creation (1) The technical field of the new type] This creation belongs to a technical field where the lever is provided with a special lever on the lever. The lever is completely positioned, not = due to f = position It is elastic, and the lever can be loosened arbitrarily after the lever is moved, which can improve the convenience of operation, vibration, and other factors. The purpose of low cost. Steps can simplify the structure to achieve the reduction [Previous technology] Press, the ratchet wrench is a manual or nut, and 1 "for the user to quickly tighten or loosen the bolt tied to the-handle end; mf is broad, and-like The main part of the ratchet wrench is the tool head. The head of the ratchet, and the head can be provided with a one-way latch. Due to the movement of a lever, the operation of the lever in the ratchet wrench is generated. It is important to report after two years and two years of life, assuming the convenience of operation, so t: hair ::: = ring usually pay special attention to this-the problem, for example, our country's patent: wheel wrench with: "Improvement of ratchet wrench switching structure" Four j sets ί; ΐ trough = set a ratchet; head-ί moving disk, a spring and a spring-loaded shrapnel, etc., toothed so as to resonate with the ratchet joint, and use: the moving disk is also the head of the wrench The top surface is provided with a perforated through-receiving slot == system, and the control is combined with the dial through the perforated card, so that it can: one dial dial to switch the latch block to the ratchet joint, and the two-piece linkage control type Switch; its characteristics are: even ratchet wrench operation M254306, creation instructions (2) _ the ratchet wrench head The preset accommodation slot, the connector accommodates the through accommodation slot, and the second department includes an accommodation slot room for ratcheting and digging. The accommodation slot room and the rear peripheral edge of the slot are extended backward. Leave the opening that communicates with the receiving slot hole on the front side. The I side is closed and only the latching block, dial, spring, and positioning spring ^ are provided for the initial positioning. And =, the components are assembled and obtained a limit position, so that the assembly operation can be more simple, and the ratchet wrench of the ratchet wrench of the above patent case can be sealed together. The positioning of the bottom steel ball and the cover should be based on the positioning effect after it is moved. However, such a statement; Temple :: It is extremely inconvenient to manufacture and assemble the lever, and the helmet-shaped structure is extremely complicated. Low. Furthermore, the economic efficiency of pure steel balls combined with positioning two is lowered on the cover. Therefore, the method of deep production of two is because of the good positioning groove. z. The degree of ice is limited, so its overall limit effect does not go through the above description. It is not difficult to understand that the structural design is not perfect and it is widespread. 丨 It is difficult to assemble the wrench and "the limit effect is not easy." Zhang; η should make further improvements. Department "and other questions 4, so it is necessary to have a fate 'The creator is based on years of experience in manufacturing, targeting R & D and manufacturing of related industries such as Bu, +, and ancestors ^ ^ f Research and trial work, finally successfully created-a simple structure with low cost === hand lever limit structure, so as to effectively determine the ^ lift action when the door is down. [New content] Fourth, play description (3) Ratchet wrench lever: 2 f 5 mesh ?! This is to provide a simplified structure, and the original mistake to simplify its assembly and manufacturing. The purpose of the lever structure of the wheel wrench is to provide a kind of well-positioned ratchet $ T 丨 good position structure to improve the convenience of its operation. To achieve the above purpose i = the following technical means to specifically implement a -larger head, " and =: the hand is mainly tied to-the end of the handle, and a thorn: to accommodate a tool The head and -thorn j are moved by the dial structure with a dial #. A rod body placed in the head dial groove is extended under the shape of the stem, and the rod f Jl shape has a radial penetration. Groove, and the rod body is near the bottom end = spring, the limit spring in the batch • batch: f 6 another c-shaped limit spring, and the two ends of the limit spring are formed with outward convex convex card adjacent , Can be in the head when the lever is pushed to the side to push against the spine; π, ϋ 卞.卩 can be raised against 2 so that the lever can use the effect of the limit spring to produce

: Too: Simplify its composition structure, it can effectively simplify manufacturing and L, and further improve the reliability of the lever limit. -

In the following, this creation uses a preferred embodiment, with the accompanying drawings and the description of γ, in order to enable your reviewing committee to have A = =, but the following are only used to explain the better of this creation = The MT: solution is used to perform any form of this creation :: Therefore, any modification or change based on the 2 system based on the creative spirit of this creation should still belong to the scope of protection of this creative intention = Ho-shaped M254306 Instructions for creation (4) [Implementation This creation is a structure that can simplify the structure and the lever limit structure, as shown in the first figure, a large head is formed at the 10 end of the lever 10 of the wire-ratchet ratchet wrench. ^ Beam wheel pole hand is mainly tied to a form that can accommodate the tool head 20: 罝 —two in which the head i1 is 1 1 adjacent to the handle] [0 is formed with ^ each groove 1 2 on the side, and the head The ratchet block receiving groove 1 3 is used to receive a ratchet block 2 The tool head receiving slot 12 is formed as a lever head 5 1 which communicates with the ratchet block receiving slot i 3 and can be provided with a -shift lever in another shape. 3 0, I use "3 3 :: rod volume 1 4 to control the idle and limit of tool head 2 0. Known as ratchet block 2 5 to make the principle similar to the existing one. , And the structure and action described in the original ^ bis ^;] The special content of the creation is no longer redundant to the structural characteristics of this creation, to: the one shown, and the tool head 2 〇 can be "style my- The second and second examples take the D-type sleeve type as the main application example, and the head type is “ratchet 2 1” and the tool head 2 〇 is near the bottom edge, and the groove 2 2 makes the tool head 2 〇 Use a buckle: f to have-channel mounting f 6 and the ratchet block 2 5 is formed with the corresponding tool head 2 0 ratchet teeth: T: 丄 upper Π position corresponding to the side edge of the lever 30 and the lever 30 to There is a rod body placed on the head 1 extending downward. A rod = 3 2 is formed on the rod body 31. The slot 32 corresponds to the positioning arc edge 2 7 I of the ratchet block 2 5 and the bottom edge of the lever is formed. There is a relatively large edge 33 of the contact piece. Page 8 M254306 Fourth, the cup body 30 of the creation description (5) is formed near the contact piece 3 with a recessed ring-shaped buckle groove 34. The buckle groove 34 may For buckle ... Shape limit: The center of the limit spring 35 is bent inward with a plug-in engine 36. The plug-in engine is used to insert the card at the bottom of the through slot 32 of the lever 30 lever body 31 and limit the spring 3 5 are formed with bending outwards at both ends The two convex cards 37 can be used to push the lever 30 to the side to push against the ratchet block 25, and the corresponding convex cards 3 7 can be adapted to protrude to the lever receiving groove i 4 and The corners of the ratchet block groove 13 (as shown in the third figure) to improve its positioning effect; and the through slot 3 2 of the lever 30 is provided with an arc edge 2 for positioning against the ratchet block 2 5 The positioning piece 40 of 7 is formed with two upper and lower corresponding cutting grooves 4 1 in the center of the rear section of the positioning piece 40, and a guide piece 42 is formed between the two cutting grooves 4 i, so that the positioning piece 40 can use the guide piece. The 42 sleeve has a top support spring meal 4 5 so that the positioning piece 40 can be stably supported on the positioning arc edge 27 of the spine block 25 (as disclosed in the third figure), so that the positioning of the spine block 2 5 It can be more sure. At the same time, because the top support spring 45 is supported and guided by the guide 42 of the positioning sheet 40, the top support spring 45 is not easily deformed and straight. ^^ This group constitutes a simple structure, And the positioning structure of the ratchet lever is reliable. Regarding the actual use of this creation, please refer to the second and third pictures. 'When the lever 3 0 is turned to the side corresponding to the direction of rotation, the positioning piece 4 0 on the lever 3 0 The ratchet block 2 5 can be pushed into the included angle between the tool head 2 0 and the inner edge of the head 1 1 to achieve the purpose of turning the tool head 2 0. The two simultaneous limit springs 3 5 correspond to the convex catch 3 on one end. 7 will slide to the lever capacity

M254306 IV. Creation instructions (6) At the corner where the groove 14 and the ratcheting groove 13 are joined, and the other convex card portion 37 is suitable to abut against the inner edge of the lever receiving groove 14 to generate a latch. The function of 'makes the lever 30 to obtain a stable positioning effect, avoiding inconvenience in operation', and since this creation can only achieve a stable fixing effect by using only a limit spring 35, it can indeed greatly simplify the structure, and meanwhile Simplify manufacturing and composition procedures and effectively reduce costs.

Furthermore, there is another embodiment of this creation, which is as disclosed in the fourth figure. The wall surface of the lever receiving groove 14 of the head 11 adjacent to the lever 10 is formed with two corresponding concave card grooves 15 and the limit spring 3 〇The side of the lever 30 corresponding to the ratchet block 25 is buckled inward. In this way, when the lever 30 is turned, the limit springs 3 5 can be used to protrude the locking portions 37 at both ends of the two concave grooves 1 The positioning function of 5 is used for positioning. As shown in the fifth figure, there is another embodiment of the present invention. A concave groove 16 is formed at the center of the wall of the lever 11 of the head 11 adjacent to the wall surface of the stem 10, and the limit spring 5 〇The center is bent inward with a U-shaped plug-in part 5 1 and the limit spring 5 〇

One side of the rod 3 〇 is buckled inwardly corresponding to the ratchet block 25, and the limit spring 5 〇 has longer arc-shaped extension rods 5 2 on both sides, and the ends of the extension rods 5 2 on both sides are bent outward to form a Convex latching portions 53, and when the lever 30 is turned and positioned, the latching latches 53 at both ends of the limit spring 50 can be respectively embedded in the recessed latch slots 16 to form a latching positioning effect. The same can achieve the aforementioned positioning purpose. In summary, in addition to solving the shortcomings of the conventional ratchet wrench, this creation can also simplify the structure and reduce the cost.

Page 10 M254306 No, creation instructions (7) No identical or similar product creation or public use has been seen in the field, and at the same time it has an effect enhancement, so this creation has met the requirements of "newness" and "progressiveness" of the new patent. , It is an application in accordance with the law, and asked for the early grant of this creative new patent, to the utmost convenience.

M254306 on page 11 Brief description of the diagram (I) Picture 1: Picture 4: Picture 5: (2) Picture (10) (12) (14) (20) (22) (25) (27) (31) (33) (35) (37) (41) (43) (51) (53) The formula description is the original composition and the original innovation, and the original creation number is explained Stem tool head, lever lever, tool head, ring groove, ratchet block positioning, arc lever body, abutment, limit stop, convex clip, slot, top support, elastic plug, latch, convex clip, three-dimensional exploded view, used to explain the details of this creation The relevant location of the component. Schematic cross-section of ratchet wrench. The action diagram is made to further explain the corresponding relationship when this creative dial is used. It is a schematic plan view of another embodiment. A schematic plan view of another embodiment is made. Slot groove edge spring (1 1) head (1 3) ratchet block groove (15) (1 6) concave card slot (2 1) ratchet (2 3) buckle (2 6) ratchet (3 0) lever (3 2) through groove (3 4) buckle groove (3 6) latch (4 0) positioning piece (4 2) guide piece (5 0) limit spring (5 2) extension rod

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Claims (1)

M254306 V. The scope of patent application is based on the two lever ratchet wrench lever limit positions. The hibiscus test is formed at the end of the eye handle cup with a larger head; 胄 'The ratchet wrench mainly has a tool head and a ratchet. The block, and the spine block, are provided in the head of the rainbow, and are characterized by: ^ The shifting structure made by the shifting structure of the shifting lever extends downwards # 古 _ $ _ is formed with-the radial penetration Through slot head: two: the rod body of the slot, the ring on the rod body-the recessed ring buckle #, buckle 'available: u is formed near the bottom end, the limit spring is bent in the center-can be inserted ; The limit bullet in the shape of i can be used when the lever is pushed to the side to push against the ratchet block, and the convex part is in the head; the corresponding convex part can be convex to form a structure. Simple and accurate positioning of the pole limit structure. Dial 2 of the ratchet wrench of Baye, as described in bit structure 1 of the scope of patent application, the tool head may be a τ-type sleeve ratchet: = = a ring groove is formed at the edge for the use of a buckle: sff near the bottom. 4 The head of the riding tool is pivoted on the ratchet wrench structure of the ratchet wrench described in item 1 or 2 of the head scope PP. In the middle, the side edge of the ratchet block corresponding to the lever is formed with a corresponding curved green. Position the arc edge for the lever to hit the top. 4. According to the limit structure of the lever of the ratchet wrench as described in item 1 of the scope of the patent application, wherein the bottom edge of the lever is formed with a large abutment piece to prevent the limit spring from jumping off. 5. The ratchet wrench lever M254306 as described in item 1 of the patent application scope. 5. After the patent application scope, a positioning piece for abutting the ratchet block is provided in the through groove of κ. A guide sheet is formed between the two upper and two incision grooves in the central position, and the incision groove corresponding to w is positioned at κ ′, and in TI ^, s ^ 八 中 & Γ, the guide sheet can be worn by the guide There is a top support elastic material, and the bit can be firmly supported on the spine block.丄, iff please iff around the ratchet wrench lever limit described in item 1 f ^ @ / SMS ° The lever receiving groove provided with the lever is adjacent to the wall groove of the lever, and the limit spring is adjusted by To protect the end of the corresponding ratchet block, when the lever is turned, the positioning effect of the two spring projections of the limit spring on the two concave card slots can be used to achieve the exact positioning purpose. The last name 7 is the ratchet lever limit of the ratchet wrench as described in item 1 of the application of the kiss kiss range, where the dial lever groove on the head is formed adjacent to the center of the wall surface of the lever = a concave card slot, The center of the limit impeachment is bent inward with a u-shaped = stopper, and the limit spring uses the latch to correspond to the side of the ratchet block by the lever: the snap button, and the two sides of the limit impeachment have relatively large sides. A long arc-shaped extension rod, the ends of the j cups on both sides are bent outward to form a convex card portion, and when the lever is turned to position, the convex card portions at both ends of the limit spring can be respectively embedded in the concave card Inside the slot. Page 14