JP6064011B1 - Swivel wrench with impact prevention function - Google Patents

Abstract

A free spanner having an impact prevention function is provided. A shank portion, a head portion, a movable jaw, a shock absorber, and an adjusting device are included. The head portion is attached to one end of the shank portion, and includes a fixed jaw, a sliding groove, and a receiving groove. The sliding groove and the receiving groove are in communication with each other. The movable jaw is slidably mounted in the sliding groove along the axis, and is movable with respect to the fixed jaw. The movable jaw has a first side and a second side opposite to the first side, The first side faces the fixed jaw, and the movable jaw includes the clamping part, the braking part, and the first connection part, and the clamping part and the braking part are located at different ends of the movable jaw, respectively. The connecting portion is attached to the braking portion and is located on the second side of the movable jaw. The shock absorber includes a shock absorber and a second connecting portion on the opposite side of the shock absorber. The second connecting portion is detachably connected to the first connecting portion, and the movable jaw directly hits an obstacle. avoid. The adjusting device is movably attached to the receiving groove of the head portion, has a worm gear, and the worm gear and the braking portion are engaged with each other. [Selection] Figure 2

Description

  The present invention mainly relates to a universal spanner, and more particularly to a universal spanner having an impact prevention function.

  As shown in US Pat. No. 8,136,429 (Patent Document 1) REVERSIBLE MONKEY WRENCH, a handle, a head, a movable jaw, an axial rod, and a worm gear (Worm gear). The head part is formed at one end of the holding part, and includes a fixed jaw, a sliding rail, and a receiving slot, and a sliding rod of a movable jaw including a receiving slot. Are formed between the movable jaw and the fixed jaw by controlling the movable jaw to slide relative to the fixed jaw by engaging the worm gear and the sliding rod with each other. The opening dimensions can be adjusted to sandwich driven article articles of various dimensions.

US Pat. No. 8,136,429

  However, when the driven member is pinched by the movable jaw and the fixed jaw and the driven member is driven by turning the gripping part, the movable jaw inadvertently hits an obstacle such as a hole wall in the working environment or a working machine. May damage the movable chin or obstacle.

  Regarding the disadvantages of the above-mentioned known structures, the inventor contemplates a universal spanner that can overcome all the disadvantages of the aforementioned known structures.

  The universal spanner having the shock preventing function of the present invention can solve the problem that a known spanner hits an obstacle in the work environment and damages the movable jaw or the obstacle.

  The main object of the universal spanner having an impact preventing function of the present invention is to provide a universal spanner including a shank portion, a head portion, a movable jaw, a shock absorber, and an adjusting device. The head portion is formed at one end of the grip portion and includes a fixed jaw, a sliding groove and a receiving groove, and the sliding groove and the receiving hole are in communication with each other. The movable jaw is slidably movable along the axis, and is attached to the sliding groove of the head portion, and can be moved to face the fixed jaw. The movable jaw has a first side and a second side facing the first side. The first side faces the fixed jaw of the head part, the movable jaw includes a clamping part, a braking part, and a first connection part. The clamping part and the braking part are respectively located at different ends of the movable jaw. Located, with the first connecting part attached to the braking part and on the second side of the movable jaw. The shock absorber includes a shock absorber and a second connection portion on the opposite side of the shock absorber. The second connection portion is detachably connected to the first connection portion of the movable jaw. The adjusting device is movably accommodated in the receiving groove, and the adjusting device has a worm gear, and the worm gear and the braking portion of the movable jaw are engaged with each other.

  In one embodiment of the present invention, such a shock absorber is finished from a non-metallic member.

  In one embodiment of the present invention, such a shock absorber is finished from an elastic member.

  The shock absorber and the second connecting portion are integrally connected to each other.

  The movable jaw brake portion has a first width along the axis, and the buffer portion of the shock absorber has a second width along the axis. The first width is greater than the second width.

  In one embodiment of the present invention, the proportional value of the first width and the second width does not fall below 5.5.

  In one embodiment of the present invention, the proportional value of the first width and the second width does not fall below 5.

  In one embodiment of the present invention, the first connection portion of the movable jaw is provided with a hole, and extends along the axis from the second side of the movable jaw toward the first side. The portion forms a protrusion and extends from the buffer portion of the shock absorber along the axis to form a balance with the first connecting portion of the movable jaw.

  In another embodiment of the present invention, the first connecting part has a first thread, the first thread is attached to the inner peripheral surface of the first connecting part, and the second connecting part is on the first thread. A corresponding second thread is provided, and the second thread is attached to the outer peripheral surface of the second connecting portion.

  In one embodiment of the present invention, the buffer has a semicircular cross section in the direction along the axis.

  The technical effect of the universal spanner having the shock preventing function of the present invention is that the movable spanner can be moved by installing a shock absorber when the driven member is driven by rotating the shank using a fixed jaw and a movable jaw. Avoid damaging your chin and obstacles by hitting them directly.

  Other objects, advantages, and novelty of the present invention can be made clearer by the following detailed description and related drawings.

It is a three-dimensional external view by the 1st Example of the adjustable spanner which has an impact prevention function of this invention. It is a local three-dimensional external view by the 1st Example of the adjustable spanner which has an impact prevention function of this invention. FIG. 2 is a local cross-sectional view taken from FIG. 1 of the present invention. It is a figure which shows use by the 1st Example of the adjustable spanner which has an impact prevention function of this invention, and shows the aspect which puts a driven member in alignment with a movable jaw and a fixed jaw. FIG. 5 is a diagram illustrating a mode in which the shank portion is rotated, the movable jaw and the fixed jaw are aligned, the driven member is driven, and the shock absorber and the obstacle are brought into contact with each other. FIG. 6 is a local three-dimensional exploded view of a second embodiment of a universal spanner having an impact preventing function according to the present invention. It is a side view by 3rd Example of the adjustable spanner which has an impact prevention function of this invention.

  The technique, means, and effects thereof according to the present invention will be described as follows in combination with the three embodiments and the scheme. However, the claims of the present invention are not limited to these structures.

  1 to 5, reference is made to a three-dimensional external view, a local three-dimensional external view, a local cross-sectional view, and a mode of use according to a first embodiment of a universal spanner having an impact preventing function of the present invention. The universal spanner having an impact preventing function of the present invention includes a gripping portion 10, a head portion 20, a movable jaw 30, a shock absorber 40, and an adjusting device 50.

  The head part 20 is attached to one end of the shank part 10. It is preferable to integrally mold the head portion 20 and the shank portion 10 from a metal member. The head portion 20 includes a fixed jaw 21, a sliding groove 22, and a receiving groove 23. The sliding groove 22 and the receiving groove 23 are in communication with each other.

  The movable jaw 30 is slidably fitted in the sliding groove 22 of the head portion 20 along the axis L, and can move relative to the fixed jaw 21. Preferably, the movable jaw 30 is also integrally molded from a metal member. The movable jaw 30 includes a first side 301 and a second side 302 provided on the opposite side of the first side 301. The first side 301 faces the fixed jaw 21 of the head portion 20, and the movable jaw 30 is sandwiched. The holding portion 31 and the braking portion 32 including the portion 31, the braking portion 32, and the first connecting portion 33 are respectively located at different ends of the movable jaw 30, and the braking portion 32 has a first width W1 along the axis L. The first connecting portion 33 is attached to the braking portion 32 and is located on the second side 302 of the movable jaw 30. In the present embodiment, the first connecting portion 33 is a hole and extends along the axis L from the second side 302 of the movable jaw 30 to the first side 301.

  The shock absorber 40 includes a shock absorber 41 and a second connecting portion 42 on the opposite side of the shock absorber 41. The second connecting portion 42 is detachably connected to the first connecting portion 33 of the movable jaw 30. In this embodiment, the shock absorber 40 is finished from a metal member. The thing which can finish the buffer 40 from an elastic member and can absorb the energy of crushing is preferable. The buffer portion 41 and the second connection portion 42 are integrally connected to each other. The buffer section 41 has a semicircular cross section along the vertical direction of the axis L. The buffer portion 41 has a second width W2 along the axis L, and the first width W1 of the braking portion 32 is wider than the second width W2. In this embodiment, the proportional value between the first width W1 and the second width W2 does not fall below 5.5. Preferably, the proportional value between the first width W1 and the second width W2 does not fall below 5. In the present embodiment, the second connection portion 42 is a protrusion and extends outward from the buffer portion 41 of the shock absorber 40 along the axis L to form a mutual balance with the first connection portion 33 of the movable jaw 30. To do.

  The adjusting device 50 is movably accommodated in the receiving groove 23 of the head portion 20, and the adjusting device 50 has a worm gear 51, and the worm gear 51 and the braking portion 32 of the movable jaw 30 are engaged with each other. By rotating the worm gear 51, the movable jaw 30 moves relative to the fixed jaw 21, and the driven member D having various dimensions is clamped (shown in FIG. 4).

  In the working environment of the obstacle B (for example, work machine), the driven member D is sandwiched between the movable jaw 30 and the fixed jaw 21, and the shank portion 10 is rotated along the clockwise direction to rotate the driven tool D ( As shown in FIG. If the buffer part 41 of the shock absorber 40 hits the obstacle B due to an excessive turning angle, the movable jaw 30 and the obstacle B directly hit each other depending on the material and the installation position of the shock absorber 40 to avoid damage. It is done.

  Continuing to refer to FIG. 6, a local cross-sectional view of a second embodiment of the universal spanner having an impact preventing function of the present invention. The structures of the second embodiment and the first embodiment of the present invention are substantially the same, and the difference is that the first connecting portion 33a includes the first thread 331a, and the first thread 331a is the first connecting portion 33a. The second connection portion 42a is attached to the inner peripheral surface, the second connection portion 42a includes a second screw thread 421a that balances with the first screw thread 331a, the second screw thread 421a is attached to the outer peripheral surface of the second connection portion 42a, and the first The second connection portion 42a is detachably connected to the first connection portion 33a by screwing with the screw thread 331a.

  Still referring to FIG. 7, a side view of a third embodiment of the universal spanner having the impact preventing function of the present invention will be described. The structures of the third embodiment and the first embodiment of the present invention are substantially the same, and as a difference, the shock absorber 40 can be attached to a movable jaw 30b different from the first embodiment.

  What has been described above is a preferred embodiment of the present invention, and does not limit the scope of carrying out the present invention. Numerical changes or replacement of equivalent effect elements based on the present invention, Any changes or modifications made in the scope of the claims shall be included in the patent category of the invention.

DESCRIPTION OF SYMBOLS 10 Grasping part 20 Head part 21 Fixed jaw 22 Sliding groove 23 Receiving groove 30 Movable jaw 301 1st side 302 2nd side 31 Clamping part 32 Brake part 33 1st connection part 40 Buffer 41 Buffer part 42 2nd connection part 33a 1 connection portion 331a first thread 42a second connection portion 421a second thread 30b movable jaw 50 adjusting device 51 worm gear W1 first width W2 second width L axis D driven tool B obstacle

Claims (10)

A free spanner having an impact prevention function, comprising a gripping part, a head part, a movable jaw, a shock absorber, and an adjusting device,
The gripping part;
The head portion is provided at one end of the grip portion, and includes a jaw that is fixed to the head portion, a sliding groove, and a receiving groove, and the sliding groove and the receiving groove are communicated with each other,
The movable jaw is attached to the sliding groove of the head portion so as to be slidable along an axis, and can be moved to face the fixed jaw, and the movable jaw can be moved to the first side and the first side. And the first side faces the fixed jaw of the head portion, and the movable jaw includes a clamping portion, a braking portion, and a first connection portion. The braking portions are respectively located at different ends of the movable jaw, the first connecting portion is attached to the braking portion, and is located on the second side,
The bumper is a slow衝部, wherein and a second connection portion on the opposite side of the buffer section, said second connecting part can be connected to the first connecting portion of the movable jaw at detachably,
The adjusting device is movably accommodated in the receiving groove and has a worm gear, and the worm gear and the braking portion of the movable jaw are engaged with each other, and has an impact preventing function. Free spanner.   2. The universal spanner having an impact preventing function according to claim 1, wherein the shock absorber is finished from a non-metallic member.   The universal spanner having an impact preventing function according to claim 1, wherein the shock absorber is finished from an elastic member.   The universal spanner having an impact preventing function according to claim 1, wherein the buffer portion and the second connection portion are integrally connected. Among them, the said braking portion of the movable jaw along the axis, having a first width, wherein the buffer portion of the bumper along the axis, has a second width, said first width is the second The universal spanner having an impact preventing function according to any one of claims 1 to 4, wherein the spanner is larger than the width. The universal spanner having an impact preventing function according to claim 5 , wherein a proportional value between the first width and the second width is 5.5 or more . 6. The universal spanner having an impact preventing function according to claim 5 , wherein a proportional value between the first width and the second width is 5 or more . The first connecting portion of the movable jaw includes a hole and extends along the axis from the second side of the movable jaw toward the first side, and the second portion of the shock absorber. connections form a collision raised portion, and is extended from the buffer portion of the bumper along the axis, and forming the first connecting portion and the balance of the movable jaw, claim A universal spanner having an impact prevention function according to any one of 1 to 4.   Of these, the first connection portion has a first thread, the first thread is attached to an inner peripheral surface of the first connection, and the second connection is a first thread corresponding to the first thread. The universal spanner having an impact prevention function according to claim 8, comprising two screw threads, wherein the second screw threads are attached to an outer peripheral surface of the second connection portion.   5. The universal spanner having an impact preventing function according to claim 1, wherein the buffer portion has a semicircular cross section along a direction perpendicular to an axis. 6.

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