JP2007190677A - Socket for screw driver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a socket for a screw driver, fitted to a screw driver to be used as a socket wrench used for assembling or detaching a ball nut. <P>SOLUTION: In this socket 1 for a screw driver, a socket body 2 axially movable along an outer peripheral surface of the driver bit 11 and detachable from the driver bit 11 but non-rotatable is fitted around the driver bit 11, and socket parts 3, 4 are formed at both end portions of the socket body 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a driver socket that can be attached to a driver bit of a driver and used for assembling or removing bolts and nuts.

  Conventionally used drivers include a fixed driver in which a driver bit is integrally attached to a handle (grip), or a replacement driver in which several types of driver bits are detachably attached to a common handle. However, with any screwdriver, it can only be used with a screwdriver.

  The main object of the present invention is to provide a socket for a driver that can be used as a socket wrench for mounting and removing bolts and nuts by being attached to the driver as described above.

  The socket 1 for a driver of the invention according to claim 1 is externally fitted to the driver bit 11 with a socket body 2 that is movable in the axial direction along the outer periphery of the driver bit 11 and can be extracted from the driver bit 11 but cannot be rotated. In other words, socket portions 3 and 4 are formed at both ends of the socket body 2.

  The socket 1 for a driver of the invention according to claim 2 is externally fitted to the driver bit 11 with a socket body 2 that is movable in the axial direction along the outer periphery of the driver bit 11 and can be extracted from the driver bit 11 but cannot be rotated. In other words, socket portions 3 and 4 having different inner diameters are formed at both ends of the socket body 2.

  According to a third aspect of the present invention, in the socket 1 for a driver according to the first or second aspect, the socket body 2 is provided with engagement means 5 and 5A that can be engaged with an engagement recess 11b formed on the outer periphery of the driver bit 11. The socket body 2 is held by the driver bit 11 at a position where the socket portions 3 and 4 can be used.

  According to a fourth aspect of the present invention, in the driver socket 1 according to the third aspect, the engaging means 5 includes a sphere 7 inserted into a window 6 provided at a required position of the socket body 2, and the sphere 7 from the window 6. And a spring 8 that is urged so as to enter the engagement recess 11 b of the driver bit 11.

  According to a fifth aspect of the present invention, in the driver socket 1 according to the third aspect, the engaging means 5A includes a sphere 7 inserted and arranged in a window 6 provided at a required location of the socket body 2, and the sphere 7 inside the window 6 The sleeve 25 is slidably fitted in the socket 2 so as to be slidable in the axial direction so as to be pushed and pushed inward and to be engaged with the engaging recess 11 b of the driver bit 11.

  A sixth aspect of the present invention is the driver socket 1 according to any one of the first to fifth aspects, wherein the outer periphery of the both end socket portions 3 and 4 of the socket body 2 is formed in a regular polygonal shape, and The outer diameters are different from each other.

  A seventh aspect of the present invention provides the driver socket 1 according to any one of the first to sixth aspects, wherein the socket body 2 fitted to the driver bit 11 is frictionally fitted to the distal end portion of the handle 12 which is the base end portion of the driver bit 11. A protrusion 26 is provided for fitting and accommodating the socket body 2 at the tip of the handle 12.

  According to a first aspect of the present invention, there is provided a socket for a driver, wherein a socket body that is movable in the axial direction along the driver bit and can be pulled out but cannot be rotated is externally fitted to the driver bit, and sockets are attached to both ends of the socket body. Since the portion is formed, the driver can be used as a socket wrench simply by externally fitting the socket body to the driver bit.

  In addition, this socket for drivers can be used easily by attaching it to a general driver such as a fixed screwdriver with a screwdriver bit attached to the handle or a replaceable screwdriver with a screwdriver bit attached to the handle. Since the structure is simple and it consists of a single hollow shaft, it can be manufactured at low cost and is convenient to carry.

  When tightening a bolt that can be twisted by attaching the socket body to the screwdriver and applying a twisting torque, the socket part of the socket body is fitted to the head of the bolt. After tightening and giving a threading torque and twisting the bolt head side, the bolt head fitted into the socket is pushed out by the driver's handle. Can be taken out easily.

  According to a second aspect of the present invention, there is provided a socket for a driver, wherein a socket body that is movable in the axial direction along the driver bit and can be pulled out but cannot be rotated is externally fitted to the driver bit. Since the socket parts are different from each other, the screwdriver can be used as a socket wrench just by fitting the socket body to the driver bit, and the inner diameter formed at both ends of the socket body. Different socket parts can be applied to two types of bolts and nuts.

  According to a third aspect of the present invention, by providing the socket body with an engagement means that can be engaged with an engagement recess formed on the outer periphery of the driver bit, the socket body is attached to the driver bit at a position where each socket portion can be used. The socket body does not move during use, making it easier to work with, and the socket does not fall out of the driver bit when carrying, so the socket can always be attached to the driver bit and portability Is good.

  According to a fourth aspect of the present invention, the engaging means includes a sphere inserted and arranged in a window provided in the socket body, and the sphere is inserted inward from the window to engage with the engaging recess of the driver bit. According to the biasing spring, the socket body can be securely held at a predetermined position on the driver bit, and the configuration is simple and the manufacture is facilitated.

  According to a fifth aspect of the present invention, the engaging means includes a sphere inserted in a window provided at a required location of the socket body, and a sphere pressed into the window inwardly to engage with the engaging recess of the driver bit. According to the sleeve which is fitted to the socket main body so as to be slidable in the axial direction, the socket main body can be securely held in a predetermined position on the driver bit and lightly moved by sliding the sleeve. The socket body can be moved from the driver bit.

  When the outer periphery of the socket parts at both ends of the socket body is formed in a regular polygonal shape and the outer diameters of the socket parts at both ends are formed to have different diameters, the socket of this driver socket is provided. This part can be used as a long socket by fitting it in the socket part of a commonly used socket wrench, and is convenient when the nut or bolt head to be tightened or removed is located in a deep place In addition, since both socket portions of the socket can be fitted into socket portions of socket wrench having different inner diameters, the two socket portions can be applied to two types of bolts and nuts.

  The protrusion for accommodating the socket main body in the front end portion of the handle by frictionally fitting the socket main body fitted in the driver bit to the front end portion of the handle which is the base end portion of the driver bit. By providing the portion, the socket body can be accommodated in the driver without being bulky when not in use.

  1 shows a conventional arrangement of a driver bit 11 and a handle (grip part) 12 constituting a replaceable driver 10 and a driver socket 1 of the present invention attached to the driver bit 11 in a line. FIG. 2 is an external perspective view of a socket 1 for a driver according to an embodiment, FIG. 3 is a longitudinal front view of the socket 1, and FIG. As shown in FIG. 1, the driver bit 11 of the driver 10 is formed of, for example, a cross screw driver bit, and both end portions 11a and 11a are formed in a cross shape, and a cross section between the both end portions 11a and 11a is formed. An engaging recess 11b having a circular arc cross section is provided around the front side of each cross-shaped end portion 11a. The handle 12 has an insertion hole portion 12a into which the end portion of the driver bit 11 cannot be rotated to about one third of its entire length and is inserted in a removable manner. Needless to say, the driver 10 according to the present invention is not limited to the structure shown in FIG. 1, and includes a known structure in which the handle 12 and the driver bit 11 are integrated.

  Further, as will be described later, a projection 26 for holding the socket 1 at the distal end of the handle 12 and receiving it is formed at the distal end of the handle 12 which is the base end of the driver bit 11.

  The socket 1 for the driver is movable so as to be axially movable along the outer periphery of the driver bit 11 and can be extracted from the driver bit 11, but the non-rotatable socket body 2 is externally fitted to the driver bit 11 of the driver 1. Thus, the socket portions 3 and 4 are provided at both ends of the socket body 2, and the socket portions 3 and 4 may have the same diameter, but preferably the inner diameters thereof are different from each other. . The inner periphery 2a of the socket body 2 is formed in a hexagonal cross section (see FIG. 4) corresponding to the cross sectional shape of the driver bit 11 so that the driver bit 11 can move in the axial direction without being able to rotate.

  The inner peripheries 3a and 4a and the outer peripheries 3b and 4b of the socket parts 3 and 4 are each formed in a hexagonal shape as shown in FIG. 2 (A), or as shown in FIG. They are formed in a square shape, or in the form of a square, an octagon or other regular polygons. Further, the outer peripheries 3b and 4b of the socket portions 3 and 4 are formed to have different outer diameters.

  Further, at the center in the longitudinal direction of the socket body 2, an engagement means 5 that can be engaged with engagement recesses 11 b formed on the outer periphery of both ends of the driver bit 11 is provided. The engaging means 5 positions the socket body 2 at a required position on the driver bit 11, that is, a position where the socket portions 3 and 4 can be used when the socket body 2 is externally fitted to the driver bit 11 when the socket 1 is used. 3 and 4, a sphere 7 inserted and arranged in a window 6 provided at a required position in the central portion of the socket body 2 in the longitudinal direction, and the sphere, as shown in FIGS. 7 is engaged with the socket main body 2 in a state of being engaged with a part of the member 7, and the sphere 7 is pushed inward from the window 6 so as to be engaged with the engaging recess 11b of the driver bit 11. The spring 8 has a substantially C-shaped ring shape. The spring 8 is usually fitted into a shallow circumferential groove 2b formed on the outer peripheral surface of the socket body 2.

  Therefore, when the socket body 2 of the driver socket 1 is externally fitted to the driver bit 11, the sphere 7 is initially attached to the ring-shaped spring 8 by the outer peripheral surface of the bit 11 as shown by the phantom line in FIG. 4. Although it is pushed out of the window 6 against it, when engaged with the engaging recess 11b of the bit 11, it is engaged with the engaging recess 11b by the urging force of the spring 8 as shown by the solid lines in FIGS. Thus, the socket 1 is held in a usable position by projecting from the tip end portion 11 a of the driver bit 11.

  FIG. 5 shows the engaging means 5A of another embodiment provided in the socket body 2, and it is inserted into a window 6 provided at a required position in the central portion in the longitudinal direction of the socket body 2 as in the above embodiment. A spherical body 7 is provided, and a sleeve 25 slidable in the axial direction is fitted to the outer peripheral portion of the socket main body 2. A projection 27 and a projection 27 are formed on the inner peripheral surface of the sleeve 25. On the other hand, a concave portion 28 which is a thin portion is provided, and the sleeve 25 is urged by a spring 30 interposed between the sleeve 25 and a spring receiver 29 provided on the socket body 2, and the protrusion 27 is formed on the socket body. At the position of the sphere 7 fitted to the second window 6, the sphere 7 is pressed inwardly from the window 6 and engaged with the engaging recess 11 b of the driver bit 11. Other structures are the same as those of the above-described embodiment as shown with the same reference numerals. In order to move the socket body 2 from the driver bit 11, the sleeve 25 is slid in the axial direction as indicated by the chain line in the figure, so that the concave portion 28 of the sleeve 25 comes to the position of the sphere 7. 7 is displaced to the recess 28 side and escapes from the engaging recess 11 b of the driver bit 11, and can be freely moved in the axial direction with respect to the socket body 2 driver bit 11.

  FIG. 6 shows a method of using the driver socket 1 configured as described above. FIG. 6A shows the socket portion 3 and 4 of the socket 1 having the larger hole diameter. This is a case where the large-diameter socket portion 3 is used as a wrench socket. That is, in this case, after one end side of the driver bit 11 is inserted into and fixed to the insertion hole 12a of the handle 12, the driver socket 1 is connected to the other end side of the bit 11 with a small diameter socket having a small hole diameter. The socket 1 is externally fitted from the side of the portion 4, and the socket 1 is held on the bit 11 by the engaging means 5 at a position where the socket portion 4 can be used, and the state shown in the figure is obtained. Thus, by grasping the handle 12 of the driver 10 from this state and fitting the large-diameter socket portion 3 of the socket 1 held by the driver bit 11 into the mounting nut N1 having a diameter corresponding thereto, this nut N1 can be tightened or removed.

  FIG. 6B shows a case where the small-diameter socket portion 4 of the socket 1 is used as a wrench socket. In this case, as shown in FIG. 2A, the socket 1 attached to the driver bit 11 is once pulled out from the bit 11, and this socket 1 is externally fitted from the large diameter socket portion 3 to the bit 11. The socket 1 is replaced with a position where the small-diameter socket portion 4 can be used, and the socket 1 is held on the bit 11 by the engaging means 5. From this state, the handle 12 of the driver 10 is gripped in the same manner as in FIG. 5A, and the small-diameter socket portion 4 of the socket 1 held by the driver bit 11 is attached to the mounting nut N2 having a corresponding diameter. By fitting, the nut N2 can be tightened or removed.

  As described above, the protruding portion 26 is provided at the distal end portion of the handle 12, and when the socket 1 is not used, the socket 1 is moved to the protruding portion 26 side as indicated by a chain line in the drawing, and the socket 1 is moved. The main body 2 is slightly and frictionally fitted to the protrusion 26, and the socket 1 is held on the distal end side of the handle 1, that is, the proximal end portion of the driver bit 11 by the frictional force, so that it is accommodated without being bulky. can do.

  7 and 8 show a case where the driver socket 1 of the present invention can be used as a long socket by attaching it to the socket portion of the T-type work tool 15. This work tool 15 is a known tool having both a socket wrench function and a driver function, and has a socket 18 in which socket parts 16 and 17 having different diameters are formed at both ends. The socket 18 is used for a wrench. The arm 20 is connected to a socket arm 20 via a ratchet mechanism 19, and a driver bit holder 21 is connected to the arm 20 via a driver ratchet mechanism (not shown). It can be inserted. The large-diameter socket portion 16 and the small-diameter socket portion 17 each have an inner periphery formed in a polygonal hole. The large-diameter socket portion 16 includes the large-diameter socket portion 3 of the driver socket 1 according to the present invention. The small-diameter socket portion 4 of the socket 1 for the driver can be fitted into the socket portion 17 so as not to rotate.

  Thus, when the small-diameter socket portion 4 of the driver socket 1 is used, the large-diameter socket portion 3 of the socket 1 is connected to the T-type work tool 15 as shown on the left side of FIGS. What is necessary is just to fit in the large diameter socket part 16, and when using the large diameter socket part 3 of the socket 1, as shown in the right side of each of FIG.7 and FIG.8, the small diameter socket part of the socket 1 is shown. 4 may be fitted into the small-diameter socket portion 17 of the T-shaped work tool 15. Therefore, the use as such a long socket is very convenient when the nut or bolt head to be tightened or removed is located in a deep place.

  The driver socket 1 of the present invention is not limited to the T-shaped work tool 15 as described above, and can be used as a long socket by being applied to other various socket wrench sockets.

  In FIG. 9, for example, when the ends of pipes 22 and 22 for electric cable wiring are connected to each other by a short tubular coupling 23, the coupling 23 that is externally fitted to the end of the pipe 22 is fixed to the pipe 22. The usage example of the socket 1 for drivers used for the threading operation | work of the fixing bolt 24 is shown. That is, the bolt 24 has a notch s for threading at the neck, and after the bolt 24 is screwed and the coupling 23 is fixed to the pipe 22, the bolt 24 protrudes to the surface side of the pipe 22. In order to remove the head side 24a of the bolt 24 that is an unnecessary protrusion, an operation of twisting and cutting the head side 24a by applying a twisting torque to the bolt 24 is performed.

  When the above-described threading operation of the bolt 24 is performed with a conventional socket wrench, when the head 24a is twisted by applying a threading torque to the bolt 24, the bolt head h is the socket of the wrench. There are many cases where it cannot be removed by fitting into the part. In such a case, by using the driver socket 1 of the present invention, the bolt head h fitted in the socket portion can be easily taken out. (1) to (3) in FIG. 10 show a tightening operation, a threading operation, and an operation for taking out the bolt head side 24a.

  That is, as shown in (1) of FIG. 10, the socket portion 4 of the driver socket 1 fitted on the driver bit 11 is fitted to the head h of the bolt 24, and the handle 24 is turned to connect the bolt 24 to the pipe. After screwing in the side 22 and fixing the coupling 23 to the pipe 22, the handle 12 is further turned more strongly to apply a twisting torque to the bolt 24, so that the head side as shown in FIG. 24a is twisted off and cut off from the threaded portion side 24b. Thereafter, while holding the screwdriver socket 1 with one hand, the handle 12 of the screwdriver 10 is pushed with the other hand, or by hitting with a hammer or the like, the bolt head side 24a fitted in the socket part 4 is removed. It can be pushed out as shown in (3) of FIG.

It is a top view which shows the driver bit and handle which comprise a driver, and the socket for drivers of the present invention attached to the driver bit. (A) is an external perspective view of a socket for a driver in which each socket part is a hexagon, and (B) is an external perspective view of a socket for a driver in which each socket part is a dodecagon. It is a vertical front view of the socket for drivers. FIG. 4 is an enlarged sectional view taken along line XX in FIG. 3. (A) is a plan view showing a usage state of a driver socket when a large-diameter socket portion of the driver socket is used, and (B) is a plane showing a usage state of the driver socket when a small-diameter socket portion is used. FIG. It is a vertical front view of other embodiment of the socket for drivers. It is a description perspective view in the case of using a socket for drivers attached to a T type socket wrench. It is a front view which shows the attachment state of the T-shaped socket wrench and socket in the case of FIG. It is a perspective view which shows the example of the screwing-off operation | work of the volt | bolt by the socket for drivers | operators. (1)-(3) is explanatory drawing which shows bolt tightening operation, twisting-off operation, and bolt head side taking-out operation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Driver socket 2 Socket body 3 Socket part 4 Socket part 5 Engagement means 5A Engagement means 6 Window 7 Sphere 8 Spring 10 Driver 11 Driver bit 11a Cross-shaped end part 11b of driver bit Engagement recessed part 12 of driver bit Handle 25 Sleeve 26 Protrusion

Claims (7)

  A socket body that can move in the axial direction along the outer periphery of the driver bit and can be extracted from the driver bit but cannot be rotated is externally fitted to the driver bit, and socket portions are formed at both ends of the socket body. Socket for driver.   A socket body that can move in the axial direction along the outer periphery of the driver bit and can be extracted from the driver bit but cannot be rotated is externally fitted to the driver bit, and socket portions having different inner diameters are provided at both ends of the socket body. A socket for the driver formed.   2. The socket body is provided with engagement means that can be engaged with an engagement recess formed on the outer periphery of the driver bit so that the socket body is held by the driver bit at a position where each socket portion can be used. Or the driver socket as described in 2.   The engaging means includes a sphere inserted and arranged in a window provided in a required portion of the socket body, and a spring that urges the sphere so as to protrude inward from the window and engage with the engaging recess of the driver bit. The driver socket according to claim 3.   The engaging means includes a sphere inserted in a window provided at a required location of the socket body, and an axial direction on the socket body so that the sphere is pressed into the window inward and engaged with the engagement recess of the driver bit. The driver socket according to claim 3, comprising a sleeve slidably fitted.   The socket for a driver according to any one of claims 1 to 5, wherein the outer periphery of the socket parts at both ends of the socket body is formed in a regular polygonal shape, and the outer diameters of the socket parts at both ends are formed to have different diameters. 2. A protrusion for receiving a socket main body fitted to the driver bit by friction fitting the handle main body, which is a base end portion of the driver bit, to receive the socket main body in the front end of the handle. The driver socket according to any one of 6.

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