TW201143992A - Precision locking sleeve structure - Google Patents

Abstract

The present invention provides a precision locking sleeve structure, which comprises a sleeve, a cap, and a driving rod. The sleeve has an inner spring and two external springs. The external springs can be pressed down by the cap. The sleeve has a first and a second locking groove. Fastening rods are provided at top ends of both external springs, and the fastening rods are disposed within the first and the second locking groove. The first and second lock grooves are recessed radially by a depth of around one-fifth of the diameter of the sleeve. The first locking groove has a height that is greater than or equal to a notch depth of a notch-type driving rod. The second locking groove has a height that is greater than or equal to a concave-ring depth of a concave-ring -type driving rod. According to this, the fastening rod is locked the edge of the lower notch or the lower concave-ring of the driving rod. It can be precisely locked at two different specifications of the driving rods. When the fastening rod is bounced off from its lock state, it can be locked at the peripheral edge, not the bottom surface, so that the driving rod can be placed in the sleeve.

Description

201143992 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a sleeve, and more particularly, in particular, it can precisely stabilize the driving rod 'no shaking _, and the rod is stuck to the concave of the rotating rod Or the lower edge of the concave ring of the driving rod can accurately lock the two different kinds of driving rods for positioning, and when the tripping is released, the resisting rod is located at the bottom edge of the driving rod, not at the bottom surface of the driving rod, and does not hinder the driving. The rod is inserted into the sleeve and can be snapped into a precisely sized sleeve structure of various sizes. [Prior Art] According to the prior knowledge, the sleeve is used for positioning by the drive rod, and the torsion sleeve is used as a linkage drive rod to fasten or loosen the object to be driven, which is a common hand tool mode '... 2, 3 The utility model shows a quick-release device for the driver's joint, and the device is provided with a spiral groove 11 in the body 1 for the spring 12 to wrap around the flat portion 121 of the top of the spring 12 to be caught in the spiral groove 11' And the straight portion 1 2 1 protrudes from the receiving groove 1 3 Θ ' can cooperate with the groove 2 of the driving rod, when the driving rod 1 is pushed into the receiving groove 3, the straight 21 is pushed toward the body 1 The outer edge of the crucible, and when the pressure disappears, the straight portion 1 21 will be embedded in the groove 2 of the driving rod , to position the driving rod i; ^ When the sliding sleeve is moved by 14 'will push the straight portion! 2 i retracts the spiral groove ^ inside 'to drive the drive rod 1 to be ejected by the bottom elastic element 15. When the body 10 opens the spiral groove ii, the straight portion i 2 i protrudes too much from the accommodating groove 13 'will cause the drive rod to be mounted During the working hours, the elastic squeegee 2 and the wall of the accommodating groove 13 are stuck, so that the driving rod 1 is not easily placed into the 'disassembly drive rod work, and the wall of the spring 12 and the accommodating groove 13 is also easily caught, which makes the disassembly difficult, straight 201143992 When the portion 121 is not enough to protrude from the accommodating groove 13, the groove 2 of the driving rod 1 cannot be surely caught. The driving rod 1 is easy to slide out of the accommodating groove ^3; as shown in the fourth figure, the spring 12 The straight part 1 21 is at the bottom position of the driving rod i, and the sliding sleeve 14 needs to be pulled down, so that the straight part i 2! can be moved down and then the driving rod 1 (starter) can be placed. The driving rod (starter) is in the body 1〇 (sleeve). The flat portion 121 does not move down and retreats, creating the spring 12 and the receiving groove! 3 pin live problem, this is a match

The proportion design error and accuracy are insufficient; as shown in the fifth figure, it is No. 92219566 "Improved structure of the driver's head sleeve", which includes - the shaft 2 Q, - and an adsorption assembly 2 2, The shaft 2Q-end is provided with a rib for the driver ^, the inner wall surface of the sleeve hole seat 2 3 is suitable and is cut into the groove and the groove 24, and the inner bushing 21 is sleeved on the shaft 2 4 The outer edge is suitable for 'the upper opening is corresponding to the groove 2 4 == a steel ball 2 6 is accommodated therein, the 'slip kit 2 7 series sleeve sighs the outer edge of the correction 2 0 and simultaneously covers the lining The inner wall of the sleeve 2 is formed with two adjacent edges which are formed by the edge structure of the stage:::: When the other end of the sleeve 27 is disposed with the inner liner 21, the other end is slightly convex. =7: ==: ::r—by -= Simple and stable _ one-handed insertion “starting = 201143992 When the screwdriver head 3 is set in the socket socket 2 3 , the elastic body 21 can be compressed and the adsorption member 2 2 2 is adsorbed, and when the force of the driver 3 is released by the force of the clamping, the elastic member 28 has to slightly eject the driver head 3 from the socket holder 23, and the suction member 2 2 2 is sucked in time. , and convenient for the user to remove the screwdriver head 3;

= The component of the screwdriver head 3 is stuck in the head 3, the bead hole 25, the steel ball 2 6 is used as the position 'and the single-steel ball 2 6 cannot be effectively applied to the screwdriver head of different specifications. 3 The drive rod has several specifications, such as the sixth and seventh figures. As shown, the most common type is the C-type bit 3 of the recess 4 and the E type bit of the recessed ring 2, and the above-mentioned conventional sleeve (shaft 2 ◦) can be constructed only Applicable to the drive rod 3 of the recess 4 (c type (four), for ^

The drive rod 1 of the female ring 2 (E type _, can not be positioned; the other = the double-head drive rod (double-starter) is engaged, the drive rod end is deep = (shaft 2 0) 1 inside the elastomer 2 2 i or mix the drive forest 'or drive the fairy's elastomer 2 2 i deformation, can not locate the double-head drive rod; therefore 'such sleeve (shaft 2 〇) can not be applied; _ In addition, the conventional sleeve 30 is positioned to drive the rod structure, such as the eighth and ninth figures, the cylinder 3 〇 and a cap 3 7 'the sleeve 3 〇 for one drive: 1 for positioning 'the sleeve 30 is inserted into the a spring 32, the elastic ring 33 is positioned at the bottom of the sleeve 30, and a side of the proximal end is provided with an oblique locking groove 32, which has an outer portion, a lower end __spring 38 sleeve Tube 0, outside the outer ring of the coffee slave 3 5, the upper end of the spring 3 8 is abutted to the (four)-u type of the abutting rod 39, and the stop rod 39 is inserted into the sleeve of the 201143992 tube 3 0 at the middle end of the tube 3], in the sleeve 3 ◦ upper end has an upper ring groove 3 41 ' for an upper ring 3 4 sets of people, so that the cap 3 7 does not fall; * Operation, the drive rod 3 〇1 directly into the sleeve 3 ,, located in the sleeve 3 The abutting rod 39 in the 0-groove 31 is pressed down, and slightly Move 'move the drive rod 3 0 1 into the person 3 (10), and reduce the spring 3 2 ' in the sleeve 3 直至 until the abutting rod 3 9 is springed back into the clamping groove 31 by the spring force of the spring 38 to resist the rod 3 9 card drive rod 3 concave ring 3 0 / on the jade, and let the drive rod 3 () 1 granulate in the sleeve 3 ;; to take out the drive cup 3 01 ' as shown in the ninth figure, press down The cap I 'links the secret # 3 9 downwards, so that the abutment 39 is slightly moved down along the sleeve 3 〇= slot 31, and is separated from the concave ring 3〇2 of the drive rod 3()1. The driving rod 301 can be taken out from the sleeve 30; ^The clamping structure of the sleeve 30, such as the tenth riding, can not be used for the double-drive rod 3 〇la (double-headed screwdriver), the driving rod 3 〇丄I la"t_(10)' W spring 3 2 or mix the drive rod 3 =, or drive = part, 32 deformation side move cup 3 0 1 a, and then have a triangle for the non-recessed drive rod 3 The cup of the recess 4) (different in Figure 5, the depth is different, _ method i^%3Q2b and the height of the recess 4 can not be applied; ', ', 'so' such sleeve 3 0 1 8 8 2 6^^Do not apply for the above problem, but apply for the two-card card structure on the 0942 side. Mainly, the sleeve is provided with an oblique groove which is shallower than the slot cutter, and the radial direction of the sleeve is deeper than one of the ones of 201143992 to one-fifth, and the outer circumference of the sleeve is sleeved with two springs, each The top ends of the springs are provided with lateral abutting bars, respectively, which are respectively springs in the sleeves of the two clamping grooves, and the lower end is an enlarged area to abut against the inner bottom wall of the sleeve, In order to gradually reduce the dense area of the inner diameter; ~ the two resisting rods can be respectively applied to two different types of driving rods type bit) and (E type bit) for positioning, and is suitable for the double-head moving rod; It is not possible to apply the problem of two different specifications of the drive rod and the double-head drive rod. 'But the above-mentioned sleeve or the inventor's case is opposite, the movement rod will be as shown in the tenth-picture, the spring 2 g card. In the concave ring 2 of the driving cup 1, the financial position 'will still cause the driving rod to sway, the middle portion of the concave ring 2 has a large arc range, and the spring 2 9 is located therein, and there is no real jam 有 'the driving rod 1 is shaken and Upward shifting phenomenon; another conventional sleeve is as shown in the fourth figure 'The drive rod i is resisted by the spring i 2 The occurrence of a defect that hinders the insertion of the drive rod 1 into the sleeve; as shown in the twelfth figure, is a conventional sleeve 1Q Q positioning drive rod structure, which is a sleeve丄〇〇 and - slip kit 11Q, the sleeve i 〇〇 is provided for positioning of a drive rod 3 〇 3 'sleeve 10 〇input-elastic 箦i, the spring 丄◦i is positioned at the bottom of the sleeve 10Q 'The sleeve 1 ◦ G near the middle end - side is provided - oblique, the clamping groove 1Q2, with - spring 103 sleeved on the outer end of the sleeve 10 0 to the outside of the sleeve 1 环 outside the ring 〇4, there are two straight rods on the upper end of the bomb meal 1〇3, one is the uppermost resisting rod 1〇5, the other is the upper end of the clamping rod 1◦6, the card mast 10 is in the sleeve 1 〇0 201143992 The middle end of the card slot 1〇2; the card mast 106 can be engaged with the drive rod 3〇3 concave ring 3〇4, and the other-stop rod 1Q 5 is used to clamp the drive rod 3 0 3 around, In this embodiment, in addition to the middle portion of the recessed ring 3 〇 4 of the driving rod 3 〇 3, the driving rod 3 〇 3 is easy to be shaken, and the curved portion of the concave portion 3 〇 4 is large. The card mast 2 〇6 is located in it, there is no real Engaging 'with a square drive rod 3 Zhu Huang and pitch shifting phenomenon, the drive rod from

At 3 0 3, the other abutment lever i 〇5 is still clamped on the drive rod 3〇3. In this case, the main _ (E type bit) drive rod can only be positioned, but not (C type bit). Drive rod, can not be applied to two different specifications of the drive rod and double-head drive rod; There are some reasons for this inventor is still actively based on the above drawbacks, still actively strive to develop, research and improvement, and accumulated years of manufacturing and production experience, and finally have An invention that is sufficient to solve the above drawbacks. SUMMARY OF THE INVENTION The sleeve structure of the two outer magazines is the main purpose of the abutting rods, which can accurately lock the driving rod fixing positions of two different specifications. (The drive rod with a concave ring or the drive rod of the recess) is positioned to resist the rod ^ = the recess of the drive rod or the lower edge of the concave ring of the card __ rod, the correct and stable invention - simple card sleeve The structure, at the bottom surface thereof, does not hinder the action of the driving rod being inserted into the sleeve. In the present invention, the precise construction is carried out, and the purpose of the method is applied to the 201143992 double= drive, the branch will be mixed with the crane rod, and the set will be corrected. / Again: the edge, the present invention - a precisely clamped sleeve structure, which comprises a sleeve "with a positioning hole for the person-inside spring, and an upper end having an upper ring at the upper end, the sleeve is provided The first clamping groove on the opposite side and the first clamping groove 'the first clamping groove and the second clamping groove are slightly staggered

= level health, the first card touches the second card (4) the shallow inlet slot of the county; the inner diameter of the top end has a ring, and a cap is sleeved on the outside of the sleeve, and the ring is resisted by the ring to prevent upward movement; Two outer springs are sleeved on the outer circumference of the sleeve, and each spring end is provided with a lateral abutting rod. The stop rod is divided into a 帛-card (four) shirt and two card slots: the driving rod is divided into a concave type (C plus e b (1) or concave ring type drive rod (E type bit); characterized in that: ♦ • the first card slot and the second card slot are deep into the sleeve straight (four) five points - concave person, the first - the axial height of the clamping groove is greater than or equal to the axial height of the concave portion of the driving rod (recessed type), and the axial height of the second clamping groove is greater than or equal to the axial height of the concave ring of the driving rod (_ type), The first clamping groove and the second clamping groove respectively have an axial angle of less than six degrees with the sleeve; 'With the above structure, the two abutting rods can accurately lock two different driving rods of different specifications, and the stopping rod The 掣 掣 驱动 驱动 驱动 驱动 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 The editors of the present invention are not obstructed, and the contents, features and objectives of the present invention are understood and recognized. The preferred embodiment is described with reference to the drawings and the drawings: 】

Tsi First, a sleeve structure of the invention-type disc, as shown in the thirteenth to the figure, includes a sleeve 4 〇, an inner ridge 4 8 , and two outer outer springs 46, 47 The cap 49 and the driving rod 3 U) are fixed under the sleeve 4 (not shown), and the sleeve 40 can be a polygonal positioning hole 43 (or a circular positioning hole), and the positioning hole 4 3 The inner spring 4 8 , the inner elastic 箸 4 8 under the enlarged area 4 8 1 with its enlarged elastic force against the bottom wall of the sleeve 4 (four), the upper end of the spring 4 8 is a tapered inner diameter In the dense area 48 2 , there is a retaining ring 44 below the outer circumference of the sleeve 40 , and the sleeve 40 is provided with a first clamping groove 4 1 and a second carding machine 4 2 , a first clamping groove 4 1 and a second clamping The groove 4 2 is on the opposite side and is slightly offset from the same horizontal position. The axial height of the first clamping groove 41 is X, and the axial height of the second clamping groove 42 is ΧΓ 'The upper end of the sleeve 4 has a The upper ring groove 451, the upper ring groove 4 51 is provided for the upper ring ring 45. The sleeve 4 is provided with two outer springs 4 6 and 4 7 , and the outer ends of the outer springs 4 6 and 4 7 are pressed against the outer circumference of the sleeve 4 . Stop ring 44, top end of outer spring 46 A lateral abutting rod 46 1 and a top end of the outer spring 47 are provided with a lateral abutting rod 471, and the abutting rod 10 201143992 4 61, 4 71 respectively enter the first clamping groove 4 of the sleeve 4 In the second clamping groove 42, the first clamping groove 41 and the second clamping groove 42 on the opposite sides of the sleeve 4 are respectively shallow oblique grooves, and the radial direction of the sleeve 40 is deep. One-fifth of the recessed portion, the inner diameter of the sleeve 4 is 丫, and the first clamping groove 41 or the second clamping groove 42 is recessed into 丫1, then 丫/5>丫1, the abutting rod 4 61 4 71 can accurately drive the driving rod 1 (3 ), the first card slot 41 and the second clamping groove 42 respectively axially with the sleeve 4

When the angle is less than sixty degrees, the abutting rods 461 and 471 are respectively placed in the first groove 41 of the sleeve 40 and the first clamping groove 42, and the driving rod can be stably held! (3), because the angle is less than sixty degrees, when the hard pull drive rod 1 (3), will not be off; four one cap 4 9' sleeve sleeve 40 outside, the top end inner diameter has a ring 49 1 'With the sleeve 4〇 above the ring 45, she stops moving up, type bit) 'has a concave ring 2; or another s 〇 is called a c-type screwdriver, ctype bit), has a concave ^ two i ' no matter long Dimensions or short dimensions 'The concave ring of the Austrian moving rod 1: The same degree is χ (from (4) 2 bottom edge to the crane pole Μ = height X1, the axial height of the first clamping groove 41 is = or equal to the driving rod! Ring 2 axial height χ, the second card r = =1, greater than or equal to the recess of the drive rod 3 4 degrees X1 'ie XI of the XI and X, X; by the above structure 'Benga - kind of wealth The sleeve structure of the phase, 201143992, as shown in the fifteenth to tenth, when the operation, the drive with the concave ring 2 is directly inserted into the positioning hole 43 in the sleeve 40, and the first clamping groove 41 is located in the sleeve 4 And the two resisting rods 4 6 i, 4 7 in the second clamping groove 4 2 are pressed down, and are slightly moved downward, so that the driving rod i smoothly enters the sleeve 4 〇 inner hole 4 3 and is pressed Sleeve 4 〇 internal elastic cyanine 4 8, until the abutment rod 4 61, 47 1 The spring force to the springs 46, 47 is located in the clamping grooves 4 1 , 42 to resist the rods 461, 471 from the concave ring 2 on the driving rod ,, in fact, the position of the abutting rod 4 61 is low, and the clamping At the lower edge of the concave ring 2 on the driving rod ,, as the driving rod i is positioned in the sleeve 4 主要 main = 掣 force track, without raising the driving rod 1, and the other - the abutting rod 47 ι is at a higher position 'located at the driving rod i The middle of the upper concave ring 2, so that the drive rod i can be driven by the torsion sleeve 4 把手 of the handle to drive the workpiece, which can be used for the drive rod 1 having the concave ring 2;

To remove the driver, as shown in Fig. 17, press the cap 4, and then move the two abutting rods 46!, 47丄 downward so that the two abutting rods ^6 1 and 47 1 are respectively The sleeve 4 - the groove * 丄 and the second sleeve 4 2 are slightly moved downwards 'the abutment rod 4 61 is disengaged from the engagement of the concave ring 2 of the drive rod ,, and the drive rod 1 is subjected to the internal bomb箦48's elastic force, but can naturally jump off (the drive rod 1 is still in the sleeve 40, the rod 4 7 is still holding the drive rod 1), and then the drive rod L is taken out from the sleeve M4Q. As shown in Fig. 9 and Fig. 19, the two abutting rods 4 61 and 4 71 can be respectively used for positioning of the driving rods 1 and 3 of two different specifications, and the above embodiment is used for the driving rod 1 having two concave rings 2, this embodiment In the case of the drive 3 having the recess 4, the drive rod 3 is directly positioned in the sleeve 40 by the positioning hole 4 12 201143992 3, and the two abutment rods 4 61 , 4 71 located in the sleeve 4 are pressed down, and Slightly moved down, the drive rod 3 smoothly enters the sleeve 4〇, until the resisting rods 4 61, 4 71 are respectively biased by the springs 4 6 , 4 7 to be located at the first "^ slot 41 and the second card In the slot 4 2, the drive rod 3 is clamped by the abutting rods 4 61 , 4 71 The recess 4, the position of the abutting rod 4 71 is relatively high, and the recess 4 on the driving rod 3 can be strongly clamped to position the driving rod 3 on the sleeve 4 (10), and the sleeve can be rotated by the handle. 40, and the driving rod 3 is driven to drive the workpiece, which can be used to test the driving rod 3 having the recess 4; to take out the driving rod 3, as shown in the twentieth figure, the underground pressing the cover 4 9 ' linkage The two abutting rods 4 61 and 4 71 are moved downward, so that the two abutting rods 4 6 1 and 4 7 1 are respectively slightly along the first groove 4 1 and the second clamping groove 4 2 of the sleeve 4 Moved, disengaged from the engagement of the recess 4 of the drive rod 3, the drive rod 3 is again subjected to the elastic force of the inner spring 48, and can naturally trip, and the drive rod 3 is taken out, which is illustrated in the sleeve 4 The inner spring 48 is in the area of a circular hole 4〇1 (as shown in the twenty-first and twenty-second figures), and the upper hole 401 is a hexagonal hole 4〇2, and the hexagonal hole 4〇2 is provided for the driving rod 1 (3). (hexagonal section) activity, round hole 4〇1 for spring 4 8 movement; as shown in the twenty-third figure, the case is mainly when the drive rod 1 trips, the position of the abutment rods 4 61, 4 71 Attached to the bottom edge of the drive rod 1 (non- The position of the bottom surface of the moving rod 1 can be compared with that of the fourth figure; therefore, the next time the driving rod 1 is inserted into the sleeve 4 (10), the driving rod insertion is not hindered in the sleeve 40. In the first __^ touch 4 1 and the second card 201143992, the groove 4 2 is a deep human sleeve 4 〇 radial diameter of about five points - the recess; the same 'as shown in the twenty-fourth figure, the movement When the rod 3 is tripped, the position of the abutting rods 4 = 1, 4 71 is at the bottom edge position of the driving rod 3; therefore, the next person inserts the rod 3 into the sleeve 40 (4), and does not hinder the driving rod 3 from being inserted. Placed in the sleeve 40; 曰 again, X X, as shown in the seventh, fourteenth, twenty-fifth diagram, the concave ring 2 of the seven 461 掣 drive rod 1 is resisted 461 is located

At the lower edge, the maximum clamping force is also the most stable, and it is not easy to loosen and shake. For example, as shown in the sixth, fourteenth, and twenty-sixth, χι, χι, the '^ rod 47 1 direct precision card掣The drive rod 3 is recessed 4, so the position of the two-dry 461 471 can accurately lock the two different specifications of the drive rods 1, 3 for positioning; the invention can be as shown in the twenty-seventh figure, the sleeve 4 can be 0 spring 4 dense area 48 2 bundled with a magnetic block 48 3, the magnetic block 4 8 3 magnetic 'can magnetically magnetize the drive rod 50, so that the drive rod 5 is magnetic and magnetic to attract the screw The driving member, and using the bottom end of the magnetic block 481 to make the bottom end of the _50 reach the surface, the magnetic force can be magnetized to the driving rod 50, so that the flooding W has a miscellaneous (10) living in the county, etc. The force of the crane, the spring 481 of the large spring 481 is greater than the magnetic force of the inner wall::=r is away from the magnetic ray 3, the elastic phthalocyanine 2: the present invention is as the dense area of the upper end of the twenty-eighth 48 8 8 It is shown that, in addition to the inner sleeve 4 of the sleeve 40, a magnetic block 483 is bundled, and a blocking plate 4 8 4 is disposed above the magnetic block 4 201143992 8 3 , and the abutting bucker 4 8 4 is provided for the double-head driving rod 6 0 . Man sleeve 4 0 inside 'make double One of the head ends of the driving rod 6 q abuts against the baffle 48 4 , and the spring 48 in the sleeve 40 is not deformed, the spring 48 does not mix the double-head driving rod 6 〇, and the magnetic field can be magnetized to the double-head drive. The rod 60 has magnetic force to the double-head driving rod 6 Q to suck the driven member such as a screw;

As shown in the twenty-ninth figure, wherein the sleeve 4 has a concave ring 440 under the outer circumference, and the concave ring 440 is sleeved with a positioning ring 441, and the bottom ends of the two outer elastics 46, 47 are resisted by the sleeve 4〇.环44工· In summary, the present invention is a precision-clamped sleeve structure. There is no doubt about its sexuality and practicability. For this reason, Qiugui has a trial of one shell, and the people of Bingguo strive to create the original intention and grant the patent in this case. The applicant is fortunate!

i S] 15 201143992 f Simple description of the diagram] The schematic diagram of the action of the drive rod into the sleeve. ^ is a cross-section of the conventional drive rod jumping sleeve 〗 =:, map. The fourth intention is that the drive rod jumps off the sleeve, and the elastic cyanine is located in the plane of the driving plane. Φ = Fig. 9 f 2 1 9 5 6 No. 6 sleeve clamping drive rod mounted = figure C type drive rod ( Schematic diagram of the screwdriver). = Plan view of the E-type drive rod (starter). Sectional Combination Diagram The eighth diagram is a diagram of the material cutting rod assembly. The meaning of the ninth f knows the set __# version of the action profile Φ The tenth figure is another - the conventional _ for the double check bar card. The combination of the cross-section shows that the tenth-picture is not intended to be used in the middle of the concave ring of the conventional sleeve. The figure is a schematic cross-sectional view of U.S. Patent No. 6,860,489. Figure 12 is a perspective exploded view of the present invention. Figure 14 is a schematic cross-sectional view of the present invention. The fifteenth figure is a group of the present invention 5; the cross section of the crane drive #16 is a schematic view of the A_A section of the fifteenth figure. ~ [$] Figure 17 is a cross-sectional view of the E-type drive rod tripping sleeve of the present invention. 16 201143992 The eighteenth figure is a schematic cross-sectional view of the driving c-type driving rod of the present invention. The nineteenth figure is a schematic view of the B-B section of the eighteenth figure. The twentieth figure is a schematic cross-sectional view of the action of the C-shaped drive rod tripping sleeve. The twenty-first embodiment is a schematic cross-sectional view of the active area of the inner wall of the sleeve of the present invention. The twenty-second figure is a schematic sectional view of the movable area of the inner wall driving rod of the sleeve of the present invention.

The eleventh figure is a schematic diagram of the drive rod tripping sleeve of the present invention, and the abutting rod is located on the periphery of the bottom of the £-type driving rod. Twenty-fourth _ _ hair _ scale jump off, the proof bar is located in the plane of the bottom of the 〇 type drive rod. “The twenty-fifth meter county's haircut is transferred to the plane diagram of the stick_. The twenty-sixth inside the edge is the schematic diagram of the concave rod of the (10) state drive rod. Figure 28 is a cross-sectional view of a third embodiment of the present invention. The nineteenth embodiment is a third embodiment of the present invention.

17 201143992 [Description of main component symbols] 4 0 sleeve 4 8 spring 4 6 outer spring 4 7 outer spring 4 9 cap 3 drive rod 4 3 positioning hole 481 enlarged area 4 recessed 4 8 2 dense area 4 4 retaining ring 41 First clamping groove 4 2 second clamping groove 4 51 upper ring groove 4 5 upper ring 4 61 abutting rod 4 71 abutting rod 4 9 1 abutting ring 1 driving rod 2 concave ring 4 0 1 round hole 4 0 2 hexagon Hole 4 8 3 magnetic block 50 drive rod 4 8 4 擂 plate 6 0 double-head drive rod 4 4 0 concave ring 4 41 positioning ring

Claims (1)

201143992 VII. Patent application scope: 1. A precisely clamped sleeve structure, which comprises: - sleeve '(10) fixed record - _ _, outer peripheral lower end Γ upper ring, the sleeve is provided with opposite sides The first clamping groove of the first clamping groove 'the first clamping groove and the second clamping groove are slightly offset from the same horizontal position, and the first clamping groove and the second clamping groove are shallow oblique grooves respectively; ★ - Cap, sleeved on the outside of the sleeve, the inner diameter of the top end is - the ring, which is opposite to the ring on the sleeve and prevents the upward movement; the two outer springs are sleeved on the outer circumference of the sleeve, and the outer ends of each outer spring are There is a lateral abutting bar, which is divided into the first card and the second card slot; a driving rod is divided into a concave type shaft (C type bit) or a concave ring type driving rod (E type bit It is characterized in that: the first clamping groove and the second clamping groove are deep into the sleeve and are about five-points - the concave person, the first -_H'i groove is located at an axial height greater than or equal to the driving rod ( The concave axial height of the recessed type, the axial height of the second clamping groove is greater than or equal to the concave height of the driving (concave ring type) Degree, the first clamping groove and the second clamping groove respectively have an axial angle of less than sixty degrees with the sleeve; m. With the above structure, the two abutting rods can accurately clamp two different driving rods for different positions. 'Abutting the rod stuck in the recess of the driving rod or the lower edge of the concave ring of the driving cup' and the driving rod is taken out, the abutting rod is located at the bottom edge of the driving rod 'not at the bottom surface of the driving rod, making it empty The sleeve is not obstructed in the sleeve 19 201143992 The rod is inserted into the sleeve. 2. The sleeve structure of the precisely-fitted sleeve as described in claim 1 wherein the lower end of the spring inside the sleeve is an enlarged area to be positioned against the inner bottom wall of the sleeve, and the upper end is a tapered inner diameter. Intensive area. 3. The precision-fitted sleeve as described in claim 1 of the patent application. The top of the sleeve has a convex ring at the outer periphery of the sleeve, and the convex ring is provided for two external bombs. Precisely-clamped sleeve The recessed ring is provided on the sleeve. 4. The structure described in claim 1 wherein the sleeve has a concave ring below the outer circumference of the sleeve, and the position ring is positioned to resist the bottom end of the outer shell f. Ur, please refer to the design of the patent surface, wherein the upper end of the sleeve has a top position c 圏 positioning. Milling for a ring 20