TWI220120B - Improved structure for compound wrench - Google Patents

Abstract

This invention provides an improved structure for a compound wrench, including: a driving member having a first end and a second end, the first end of the driving member being provided with a turning portion, the second end of the driving member being provided with a hole in a longitudinal direction, inner wall of the hole forming teeth; a holding stem, having a first end and a second end, the first end of the holding stem being provided with a connecting member, the connecting member being rotatably received in the hole of the second end of the driving member and being provided with a longitudinal hole and a transverse hole communicating the longitudinal hole, the second end of the holding stem being provided for hand holding; a retention block, slidingly received in the transverse hole of the first end of the holding stem, one end of the retention block forming teeth and an opposite end of the retention block forming an abutting face; a control member, installed inside the longitudinal hole of the holding stem, being movable longitudinally relative to the connecting member, and selectively pushing and urging the teeth of the retention block to engage with the teeth of the hole of the driving member.

Description

1220120

[Technical field to which the invention belongs] The present invention relates to a board +, especially # a modified structure of a composite boarder [previous technology] Old technology or innovative ideas that are good with the development of technology, and effectively reduce costs With reference to the patented structure improvement of Annex 1 ”, the shaft seat 33 is provided with an angle-fixing structure to swing, and the ratchet teeth 34 of the card 31 can be linked. However, it is necessary to complete the pivoting of the dial 40 with the dial 40 and the shaft seat 32. It is necessary to borrow two pins and one pin P before this to make it more cost-effective. With the development and progress of the month, people's requirements for things have also become quite delicate and demanded from one dimension. Only by constantly generating new forms to increase the added value of products, can we survive the test of fierce market competition. . No. 5 4 2 0 5 No. 3 "Angle fixation of the quick turn wrench 'The shaft seat 33 of the trigger portion 32 is provided with an angle fixing room and receiving grooves 35 and 36 on both sides, which can be used as a pivot button 40 and the latch block 43. By pressing the push button 40, the latch block 4 and 3 are pivoted to lock the shaft hole of the drive part 30, and the structure of the fast turning wrench is too complicated. The hole is then penetrated by a pin ρ, and the square knot is set. And the setting structure of the two locking blocks 43 is also drilled with a longitudinal hole through the locking block 43 and the shaft seat 32, and then the pivoting of the one locking block 43 is completed. Setting. For example, it is more complicated in shape, increases the assembly rate, increases the failure rate of the ancient products, and reduces the production temple: as shown in the twelfth figure in the first annex, it is worth noting that the second latch block 43 The direction of the latch is opposite. When rotating clockwise, the engine block 43 is stressed, and the lower latch block 43 will jump without force.

Page 5 1220120 V. Description of the invention (2) When the clock rotates, only the lower latching block 43 is stressed, and the upper latching block 43 will jump without being stressed. The angle fixing structure is only a single latching block 43 When the force is applied, the latching force is quite weak, and under the condition of high torque, it is easy to produce slip between the ratchet teeth. In addition, the engagement positions of the two latching blocks 43 are not located on the same axis, but force consumption is generated, which is not easy to use and practical. It is necessary to develop and improve the various shortcomings derived from this quick turn wrench. Therefore, the present invention intends to eliminate or at least mitigate the problems encountered in previous techniques.

L invented 円 谷 J The improved structure of the composite wrench of the present invention "The problem with the dry technique is that the structure of the known quick turn wrench is too complicated and the production cost is: The failure rate of the product is increased, and the production σ is reduced. The fixed structure is only driven by a single latching block, which is competitive. And when it is turned by the angular force, it is easy to produce prostitution sounds. The gripping force is quite weak, and the position of the high-twisted bite 5 is not on the same axis. Not easy to use and practical.叩 Said the consumption of house vitality, and the present invention provides a relative rotation between the owner and the handle. Good: structure: It is easy to control ^ processing and forming, not only structure, ... structure Quite simply, this' more reduces the failure rate of the product: and the J time 'reduces the abutment and control of the card block made by the product: ^ Tian improves the competitiveness of the product. The large-area contact' can greatly ^ The abutment between the second and second traps is when the face and the hand are locked, and the combined force of the second. And when the compound pulls ... clockwise or counterclockwise, 1220120 V. Description of the invention (3) " " " White = The force is exerted by the two-clamping block, the force between the two teeth is quite average, and it is not easy to produce slippage. It is a very industrially useful and progressive design. Other objects, advantages, and novelty of the present invention The characteristics will be more apparent from the following detailed description and the related drawings. [Embodiment] Each of the technologies, methods and effects used in the present invention, a better one = an example and detailed description with the illustration In the future, this is for illustration purposes only, and not for patent application. Limited by this structure. Referring to the first figure, according to the first embodiment of the present invention, the compound wrench 100 can quickly turn the screw. Referring to the second and third figures, the compound wrench includes There is a driving member 20, a grip 30, and a latch mechanism 40. The grip 30 is pivotally disposed at two ends of the driver 20 and can generate a relative rotational relationship with the driver 20. The latch mechanism 40 is disposed in the grip 30 'The relative rotation relationship between the handle 30 and the driving member 20 can be selectively restricted. The driving member 20 includes a first end and a second end, and a first end of the driving member 20 is provided with a trigger portion 21, the The triggering part 21 can be used for turning the screw member. In the preferred embodiment, the triggering part 21 is provided with a ratcheting member 22 and a ratcheting mechanism 23 for controlling the rotation direction of the ratcheting member 22. The second end of the driving member 20 is longitudinally provided with a hole 24, and the inner wall of the hole 24 is provided with teeth 25. The grip 30 includes a first end and a second end, and the grip 30 has a head 31 at the first end. The head 31 is provided with a non-circular hole 32 in the longitudinal direction. The hole 32 is used for receiving the upper edge of a connecting member 33, and the connecting member 33 can be tightly fitted or

1220120 V. Description of the invention (4) The special way is combined with the hole 32 of the handle 30. The lower edge of the connecting member 3 3 is set in the hole 24 of the second end of the driving member 20, and is snapped into the ring groove 34 of the lower edge 3 2 by a C-shaped buckle 3 9 to hold the handle 30 The first end is pivotally disposed on the second end of the driving member 20. The connecting member 33 is provided with a longitudinal hole 35, and the lower edge of the connecting member 30 is provided with two horizontal holes 36 communicating with the vertical hole 35. The upper edge of the connecting member 33 is provided with a card hole communicating with the vertical hole 35. 38 ′ The bottom edge of the connecting member 33 is provided with a concave arc 37. The second end of the handle 30 can be held by the user. The latching mechanism 40 includes two latching blocks 42, a control member 41 for controlling the two latching blocks 42, and a positioning device 43 for positioning the control member 41. The control member 41 is a longitudinal hole 35 provided in the handle 30, the first end connecting member 33, one end of the control member 41 is provided with a recess 411, and the recess 411 is connected to the control member 41 through an inclined surface 4122. Outer edge 4 1 5. The two latching blocks 4 and 2 are slidable in the transverse hole 36 of the first end connector 33 of the handle 30. One end of the latching block 42 is provided with a tooth 421 that can be engaged with the tooth 25 in the hole 24. The other end of the detent block 42 is provided with an isolated abutment surface 4 2 2 ′. The abutment surface 4 2 2 can selectively abut the depression 4 1 1 of the control member 4 1 or the outer edge of the control member 41 1. 4 1 5 and an inclined surface 423 is provided on the upper edge of the abutment surface 4 2 2. The positioning device 43 is located in the locking hole 38 of the first end connecting member 33 of the handle 30. The positioning device 43 includes a steel ball 431 and an elastic body 432 for springing against the steel ball 431. The elastic body 432 can be springed against The steel ball 431 is selectively inserted into the third groove 413 or the second groove 414 provided at the other end of the control member 41. Referring to the fourth figure, when the control member 41 of the latch mechanism 40 is pressed to the first position, the handle 30 can be in a relative rotational relationship with the driving member 20 and can be in a free state. The abutment surface 4 2 2 of the two latching blocks 4 2 abuts against the control member.

Page 8 1220120 V. Description of the invention (5) The recess 4 1 1 of 4 1 is deeper than the outer edge 415 ′ of the control member 4 1, so there is enough space for the second latch block 42 Shrink, so that the teeth 421 of the two latching blocks 42 are separated from the teeth 25 of the hole 24. In addition, the steel balls 43m of the positioning device 43 are locked into the second card groove 414 of the control member 41, and can be positioned on the control member 41. Referring to the fifth and sixth figures, when the control member 41 of the latch mechanism 40 is pressed to the second position, the grip 30 cannot be in a relative rotational relationship with the driving member 20 and is locked. The abutting surface 422 of the two latching blocks 42 abuts against the outer edge 4 1 5 of the control member 41, so it will push against the two latching blocks 42 and move outward, so that the teeth 421 of the two latching blocks 42 are engaged with牙 24 of the hole 24. The fifth figure further shows that when the control member 41 is in the second position, the control member 41 is a concave arc 37 partially protruding from the bottom end of the connecting member 33. The concave arc 37 provides a space for a user's hand to press the control member 41 to return To the first position. A valued note 疋 'control member 41 1 is provided with an inclined surface 412 between the outer edge 41 5 and the depression 411, and the upper edge of the latching block 42 is also formed with an opposite inclined surface 423, so that the latching block 4 2 abuts against The abutment surface 4 2 2 can smoothly slide between the outer edge 415 of the control member 41 and the depression 411. In addition, the abutment between the abutting surface 422 of the latching block 42 and the outer edge 415 of the control member 41 is a large area contact between the surfaces, which can greatly increase the meshing force between the two teeth 25 and 421. When the compound wrench 10 is in the locked state, whether it is clockwise or counterclockwise, it is stressed by the second card stopper 42. The force between the two teeth 25 and 421 is fairly even, and it is not easy to cause slippage. Easy to use and practical. Reference β ?, the seventh figure shows a second embodiment of the present invention, the second embodiment is the same as the first embodiment, except that the ratchet member 22 has a change in shape, the ratchet member has a head 22, Available for sleeve combination, the second embodiment '

1220120 Fifth, the effect of the invention (6) is the same as that of the first embodiment. Referring to the eighth figure, the third example of the present invention is the same as the first embodiment, except that the steel ball 391 is provided at the bottom edge of the handle 30, and the latch is used to spring against the steel ball 391 and the connecting member M. The outer edge of the block 42 is provided with a corresponding concave solitary m, so that the 3 engine = is positioned in the horizontal hole 36, and the third implementation can be implemented. The effect achieved by ... is the same as the first one that can be returned to the handle as described above. Taigong 1. The "composite lever I: the advantages of the following: the locking mechanism of the relative rotation relationship between the piece and the handle", Two control-driven-easier to form, not only save the knot: quite simple 'add j group time, reduce the failure rate of production products, greatly improve the competitiveness of the product, beiyi Design for industrial utilization. Face 2 ϊ: The "ameliorated structure of composite wrench", the abutment of the latching block = clever piece: the abutment between the depressions is a large area of contact between the surface and the surface, and the cohesive force. And when the composite wrench is in the locked state, the force between the two teeth is: when; both are used by the two-card engine block, practical. Yangtian Shigou is not prone to slippage, and it is quite good that the invention of this invention has great industrial value; and no clever invention has appeared in domestic and foreign publications or public use. It has already met the positive and negative requirements and should be granted Patent. In this case, the apricot is only the preferred embodiment of the present invention. When it cannot be limited, the scope of the present invention is not limited. Therefore, any numerical change or equivalent

Page 10 1220120 V. Replacement of (7) cases of the invention, or equivalent changes and modifications made in accordance with the scope of the patent application of the present invention shall still fall within the scope of the invention patent. umii Page 11 1220120 Brief Description of Drawings Brief Description of Drawings [Figure 1] This is a three-dimensional solid combined drawing of the present invention. The first picture is a three-dimensional exploded view of the second town of the present invention.筮 a Side sectional view of p phantom mouth. Beam, ρ. A cross-sectional view of the injured pine, the driving member of the table control 彳 dog 'produces relative rotation. The fifth picture is Qiu A W 1 糸 of the present invention. ★ > / Shizhimen W mouth Sectional cross-sectional view. The sixth diagram is > of the fourth diagram, the child scales, μ U J / mouth continued, and the watch control member is located in the first to the seventh diagram: FIG. 7 is a partial side sectional view of the second embodiment of the present invention. The eighth figure is a sectional side view of a third embodiment of the present invention. Attachment 1 is the Korean Yoke $ β of Bulletin No. 542053. Improvement "patent case. The angle-fixing structure of the set wrench produces a relative rotation relationship with the driver. One position, simple explanation of the handle without component symbol Moving mechanism 3 0 Grip 33 Connecting piece 36 Transverse hole 39 C-shaped buckle 4 11 Recess 414 Second card groove 421 Teeth 21 Trigger 24 hole 31 Head 34 Ring groove 37 Concave arc 40 Detent mechanism 412 Inclined surface 41 5 Outer edge 4 2 2 abutment surface

Page 12 1220120 Simple illustration of the drawing 4 2 3 bevel 431 steel ball 4 2 4 concave arc 4 3 positioning device 4 3 2 elastomer 22 ’square head

11HI p. 13

Claims (1)

1220120 VI. Scope of patent application 1 · An improved structure of a composite wrench, which includes: a driving member including a first end and a second end, a first end of the driving member is provided with a triggering portion, A hole is provided longitudinally at the two ends, and the inner wall of the hole is provided with teeth. A grip includes a first end and a second end. The first end of the grip is provided with a connecting member, and the connecting member is rotatably provided on the driving member. The second end of the hole is provided with a vertical hole and a horizontal hole communicating with the vertical hole. The second end of the handle can be held; a latch block can be slidably disposed on the horizontal side of the first end of the handle. In the hole, one end of the latching block is provided with teeth and the other end is provided with an abutment surface; a control member is provided in the longitudinal hole of the handle, and can be longitudinally displaced with the connecting member, and can be selectively The teeth pushed against the latching block engage the teeth of the holes of the driving member. 2. The improved structure of the composite wrench according to item 1 of the scope of the patent application, wherein the driving part of the driving member is rotatably provided with a ratcheting member and a ratcheting mechanism for controlling the rotation direction of the ratcheting member. 3. The improved structure of the composite wrench according to item 2 of the scope of the patent application, wherein the ratcheting member is provided with one end for sleeve coupling. 4. The improved structure of the composite wrench according to item 1 of the scope of the patent application, wherein the first end of the handle is provided with a hole 'which is used for receiving the upper edge of a connecting member. 5. The improved structure of the composite wrench according to item 1 of the patent application park, wherein the lower edge of the connecting member is set in the hole at the second end of the driving member. 6 · Improved structure of composite wrench as described in item 5 of the scope of patent application, 1220120 A ring groove 'is for C patent application. The lower edge of the connector is provided with a buckle. 7 · The improved structure of the composite wrench according to item 1 of the scope of the patent application, wherein the bottom edge of the connecting member is provided with a recess. 8 · The improved structure of the composite wrench according to item 1 of the scope of the patent application, wherein one end of the control member is provided with a recess ′, and the recess can be accommodated in the latch block. 9. The improved structure of the composite wrench according to item 1 of the scope of patent application, wherein an inclined surface is provided between the outer edge of the control member and the depression. I 0 · The improved structure of the composite wrench according to item 1 of the scope of the patent application, wherein the other end of the control member is provided with a first / slot groove and a second slot, and the positioning device provided in the connecting member can be selectively Stuck in its groove. II. The improved structure of the composite wrench according to item 10 of the patent application scope, wherein the positioning device includes a steel ball and an elastomer. 12. The improved structure of the composite wrench according to item (1) of the scope of the patent application, wherein the abutting surface at the other end of the latching block is an isolated surface. 1 3 · The improved compound wrench structure described in item 12 of the scope of patent application, wherein the upper edge of the abutment surface is provided with a slope. * 14. The good structure of the composite wrench 1 described in item 1 of the scope of the patent application. The end of the control part is provided with a steel ball and a spring for springing against the steel ball. A corresponding spring is provided on the outer edge of the card engine block. Four Solitary. ______ Page 15