TW579323B - Tool locking structure - Google Patents

Abstract

This invention relates to a tool locking structure, including: a grip; a socket provided at one end of the grip; ball apertures formed in a periphery edge of the socket for receiving balls; an engaging collar, rotatably mounted to the socket and movable between first and second positions to selectively urge portions of the balls to project beyond an inner edge of the socket; a tool, having a first end and a second end, the second end having an annular groove to be received in the socket, such that upon rotating the engaging collar to the first position, the balls engage with the annular groove to prevent the tool from dismounting from the grip, and upon rotating to the second position, the tool may be freely dismounted.

Description

579323 V. Description of the invention (1) [Conventional background note] The function of the market 'its export market is also in the manufacture of today's hand tools including a grip sleeve, a side-to-side operation square recess, and the tool handle is concave. And in the combination of impact and the structure of the structure of the tool lock> according to the traditional industry, especially the hand tools occupy a large number of foreign sales, regardless of quality, practicality and good operability, etc. can have an advantage in order to seize the export market, The method and process are directly related to cost and production speed, and the most important competitiveness of hand tools. As shown in the attachment, it is the bulletin of Bulletin No. 46 7〇19 "Impact Handle", which discloses an impact-type manual and 7-impact device, and the impact device includes a bomb-limiting / generating element and It is composed of a tool handle, where the front end of the limit sleeve has a button, and the optional tool handle can be fixed or punched. The key has a pin that can be inserted into one of the tool handles. It can be selected as a fixed operation. Or the impact operation method has the effect of changing the tool phase, but the case is in a penetrating shape 'easy to make the lock post insertion depth over the stack, the tool handle is detached from the handle due to vibration, so the design' therefore requires the improvement of the structure. Production ϊ ΐ The present inventors have been engaged in hand tool phase structures for many years. In light of the above shortcomings, a "[Purpose and Advantages] Grip provided by the M system—a tool-locking structure" includes:-steel ball accommodation: =; n, the periphery of the sleeve is provided with bead holes, 俾The 1-piece sleeve is set on the sleeve and is first

Page 4 579323 V. Description of the invention (2) Action between the position and a first position, ^ ^ ^ ^ ^ parts are exposed on the inner edge of the sleeve;-Gongcheng, speed steel ball part ^ You have one end and the second End, read Π 环 recessed ring groove and accommodate it in the sleeve, so that the combination sleeve rotates: turn, and two: recessed ring groove, so that the tool cannot be detached from the grip 'when ㈣ turned to the second position', the tool is Freely detachable. [Detailed description of the embodiment of the present invention] = The technology, means and effects used in the present invention are described in detail below with reference to the illustrations of the examples and methods; please refer to Figure 1 ~ Figure 6 The conclusion of one embodiment of the invention • This is only for Goming's use: the limitation of the structure used. Its use in patent applications is not affected. As shown in the second figure, the present invention relates to a tool locking structure, and its components include: # ^ grip 1 〇, mainly composed of a grip 11 and a grip A sleeve 13 ′ can be formed by covering the grip η with rubber or other soft materials on the grip η. The end surface of the sleeve 13 faces concave, and the corner-shaped coupling hole 14 ′ has a recess at the front edge of the sleeve 13. The ring groove is larger than the rear edge of the cylinder u with a convex ring 17, which has an outer diameter larger than that of Yen Fen Tong 13, and is provided with receiving holes 171 on both sides of the periphery; holes 15 ::: 13 outer peripheral edge of the sleeve There are two beads 5 at a predetermined distance in the upper direction and communicate with the coupling hole 14. The bottom edge of the two bead holes 15 forms a retaining edge. When the two steel balls 16 are inserted, they do not fall completely. The joint hole 14 is partially exposed inside; the two holding devices 20 are composed of an elastic body 21 and a top sleeve 22, and

579323 V. Description of the invention (3) sequentially accommodated in the accommodation hole 171; a joint sleeve 30 having a first end and a second end, and a through hole 31 penetrating axially between the first end and the second end; The inner edge of the perforation 31 has two grooves 32. The axial line of the two grooves 32 and the axis of the perforation 31 have a predetermined distance, so that the two grooves 32 form an eccentric shape with respect to the perforation 31, and are combined. The second end of the sleeve 3 is provided with a ring tooth region 33 at the inner edge of the perforation 31. The inner diameter of the ring tooth region 33 is larger than that of the perforation 31, so that the ring tooth region 33 and the perforation 31 have a class 34. The combination sleeve 30 sets are set on the sleeve 13 of the grip 10, and the stage M is stopped by the convex ring ιγ without sliding to the grip sleeve 12, and the top sleeve 22 of the holding device 20 is elastic.

The body 21 abuts against the ring tooth area 33, and the two steel balls 16 are received in the two grooves 32: and the concave ring groove 13m at the front end of the sleeve 13 is exposed at the first end of the coupling sleeve 30. A C-shaped buckle 35 is embedded, so that the binding sleeve 30 is not limited to be separated from the sleeve 13; a tool 40 is a first end 41 is a working part of a predetermined shape, and the second end 42 is an octagonal columnar combination And the second end 42 has two recesses 43 so that the second end 42 of the tool 40 is combined in the coupling hole 14 of the sleeve 13 and is locked in the recess 43 by two steel balls 16 to restrict the tool 40 from being relatively detached As shown in the second figure, the sleeve is a view taken along the section line of FIG. 3-3, and shows that when the coupling sleeve 30 is in the first position relative to the sleeve 13, the inner wall surface of the groove ridge 32 is bonded to the coupling at this time. The distance between the axis of the 30 axis is short, so that the inner wall surface of the steel ball a a = the groove 32 abuts and enters the bead hole, and the other end is blocked by two, and part of it is exposed in the recess 43 of the tool 40 , Make the two steel balls 16 to move the two text to compression 'to form two pressing points to limit the tool w,

) 79323 — 一 丨 1 > V. Description of the invention (4) After the viewing sleeve 13 obtained from the first figure 4 ~ 4 section line, the two holding devices 20 are pushed on the top sleeves and made on the binding sleeve 30 The ring tooth area 33 is not affected by the vibration force when the compression point is loosened; the sleeve 30 can be rotated relative to the sleeve 13 and the recess 32 is set eccentrically. At this time, the distance of the groove 32 is the longest. The steel ball 16 is in the recess, so that the steel ball 16 is not restricted by the bead detached from the sleeve 13; the tool 40 slides relative to the sleeve 13 in the second position space, so that the tool 4 is not affected by the relative sleeve. The cylinder 1 3 is pulled out axially, thereby, and the combined structure is quite stable, with

This does not cause the sleeve 13 to come out axially. As shown in the fourth figure, it is an extended view, showing that the tool 40 is locked to 22 and elastically supported by the elastic body 21, and the user is provided to rotate the impact sleeve 30 relative to the sleeve 13, and as shown in the fifth figure When the display position is in the second position, the tool 40 can be shown in the sixth figure because the inner wall surface is within the sliding hole 15 between the axial groove 32 of the coupling sleeve 30 and the bead hole 15. When displayed, the two steel balls 16 have sufficient clamping limits to the steel balls 16 and the present invention is quite convenient in operation and has industrial applicability. From the above, it can be concluded that the present invention has the following advantages:

1. In the "tool locking structure" of the present invention, when the coupling sleeve is in the 〃 position relative to the sleeve, at this time, the distance between the inner wall surface of the groove and the axis of the coupling sleeve is the shortest, so that one end of the steel ball is contacted by the inner wall surface of the groove. The top is in the bead hole, and is locked in the recess of the tool, restricting the tool from being relatively detached from the sleeve; and when the coupling sleeve can be rotated at an angle relative to the sleeve to be in the second position, the groove is set eccentrically, at this time The distance between the inner wall surface of the groove and the axis of the coupling sleeve is the longest, which provides the sliding space between the groove and the bead hole of the steel ball, so that the steel ball is not affected.

579323 V. Description of the invention (5) Limited by the bead hole 2 · The groove of the present invention forcing the steel ball portion to reach a stable limit and the device shall not be loosened due to the displacement of the vibration point when it is built, 3 · 本The invention is convenient, and at the same time, it is more stable. It is the purpose of the tool's selective locking of the tool. The ring gear force of the set affects the result. Those who have a harness can detach from the sleeve. Structure ", which uses the eccentricity of the coupling sleeve into the bead hole, and is clamped on the concave of the tool and on the two top areas after the tool is locked in the sleeve, so that the user can rotate the sleeve relative to the sleeve while Makes suppression quite effective.

Structure ", its structure is quite simple, and the manipulation effect strengthens the invention of tools and grips, which is conducive to the use of the industry. Only the rabbit cook can limit the preferred embodiment of the present invention. When you can't make an equal change, you should be within the scope of applying for a patent in accordance with the present invention. , And decoration should still be covered by the patent of the present invention

579323

The first and second diagrams [Brief description of the diagram] This is an external view of the locking structure of the tool of the present invention; This is an exploded perspective view of the present invention; Shows the view of the top holding device ^ ^ Extending—Figure 4—4 The view of the top holding on the ring tooth area of the combined sleeve obtained from the section line, showing five figures: 1 | # release position; the tool rotates relative to the sleeve according to the present invention After that, the tool is located in the sixth figure: Tu Dingyu A attachment. The state of the hairpin axially detached from the sleeve; Lee Gazette. .Announcement No. 4670 1 9 "Impact hand tool phase" [Reference number in the picture] • • • • • Grip 1 1 • • • • Grip sleeve 1 3 Explosion • Reference hole 1 5 1 • • • Reference steel ball 1 7 • • Receiving hole 2 0 Lu • Elastomer 2 2 • • Coupling sleeve 3 1 • • • Groove 3 3 • • • Class 3 5 Climbing • • Tools 4 1

1 7 1 2 3 C-shaped buckle

579323 Schematic description 4 2 ·· Second end 4 3 Recess Ιϋϋϋ Page 10

Claims (1)

A grip is attached to one end with a hole, and there is a hole to hold the steel ball; Eight Education One Sleeve 'The Sleeve of the Zhou Zhou Reading Committee stated: this; 1 Wang Wang is harmful to change the Tibetan real The f-rf edge is provided with the first position of the bead and the eccentric groove, and the edge; when the end is provided with a concave portion, it can be turned to the second solid structure. The grip sleeve is made of a solid structure, which is a hexagonal cymbal solid structure. Without causing the solid structure to be accommodated at one end ------ 2: 6. Scope of patent application 1. A tool locking structure with a combined sleeve, which is a rotation action between Zhuanxunli and a second position. Sigh 2 = up, and optionally Forcing the aforementioned steel;; = = and placed on the second and third ends, the second steel ball is locked on the second = t when the sleeve is rotated to the first position, #, can not detach the grip, and The tool can be detached by turning the tool. In the above, the tool lock rubber 4 described in the first item of the photo range is composed of a grip and a grip sleeve, and other soft materials are set at one end of the grip. In the set, the tool lock of the tool lock described in item 1 of the scope of patent application has a hexagon-shaped coupling hole, and the second end is a joint. In the tool lock described in item 1 of the patent application scope, the bottom of the production hole forms a retaining edge, so that when the steel ball is placed, t is in the sleeve and partially exposed. "Medium, Set" is the tool lock described in item 1 of the patent scope. An eccentric groove is provided on the same inner edge, so that in the steel ball R, the sleeve i is the tool locking structure described in item 1 of the scope of patent application, and the barrel and the coupling sleeve have at least one holding device to maintain the coupling sleeve. Page 11 579323 _Case No. 9110110_ Year Month Amendment_ Sixth, the scope of the patent application and the positioning effect between the sleeve. 7 · The tool locking structure according to item 6 of the scope of patent application, wherein one end of the inner edge of the coupling sleeve is provided with a ring tooth zone, and the holding device is composed of an elastic body and a top sleeve, and sequentially Embedded at the rear end of the sleeve, so that the top sleeve elastically supports the ring tooth area. 8 · The tool locking structure described in item 1 of the scope of patent application, wherein the sleeve is provided with a concave ring groove at the front end for buckling a C-shaped buckle. Page 12