JP3146712U - 3-way ratchet spanner - Google Patents

Abstract

A three-way ratchet spanner is provided.
A gripping portion is connected to the drive portion, the drive portion has a first storage portion, and a second storage portion and a third storage portion connected thereto are provided between the drive portion and the gripping portion. A main body, a ratchet that is rotatable within the first housing portion and has teeth on the outer peripheral surface, and two locking members, and is slidably provided at two ends of the main body in the second housing portion, the ratchet The two locking members having a tooth on one side opposite to each other, a guide portion on an upper surface of the opposing ends of the two locking members, and an elastic body between the two locking members, and the main body A direction control portion corresponding to the two guide portions of the two locking members at one end on the inner side, and two outer end angles of the direction control portion and the rotation center of the control member And a control member having a depression angle of the connecting line of 100 degrees or less, the control member being movable between three or more operation positions, When the member is in an intermediate position, engaging the teeth of the locking member with the ratchet teeth.
[Selection] Figure 2

Description

  The present invention relates to a kind of ratchet spanner, and more particularly to a kind of three-way ratchet spanner.

  According to Patent Document 1, the ratchet spanner includes a handle, a driving device, a fixed direction locking device, and a direction selecting device. One end of the handle has a coupling hole, a receiving groove opened to the coupling hole, and a coupling groove communicating with the receiving groove. The drive device is installed in the coupling hole. The fixed direction locking device is installed in the receiving groove and meshes with the driving device. The direction selection device is installed in the coupling groove. The direction selection device moves between the first operation position and the second operation position, drives the fixed direction locking device and biases it to one side of the receiving groove, thereby causing the control device to move relative to the rotation direction of the spanner. Control.

Taiwan Patent Publication No. 589241 Specification

  The well-known ratchet spanner has a bi-directional rotation function. However, when the user makes fine adjustments to the fixed parts, the fixed parts are tightened or loosened without fail, and adjusted to an appropriate tightening condition. The user must change the rotation direction of the ratchet wrench frequently by switching the control member, and it takes time and effort to use the operation. Does not meet the usage request.

  According to FIG. 5 of Patent Document 1, the depression angle of the connecting line between the two outer end angles of the control groove of the control member and the pin (rotation center of the control member) is about 120 degrees, and the left outer end of the control groove The angle of the connecting line between the corner and the slide guide part of the left block and the pin is about 50 degrees, and the opening angle of the control groove is too large, so the left outer end angle of the control member is rotated about 50 degrees Without this, the slide guide portion of the left block cannot be contacted. Because of this idling stroke, the swing angle required for switching between the two operating positions of the control member becomes large, and switching takes time and is inconvenient.

  The present invention provides a three-way ratchet spanner, which has a gripping portion connected to a driving portion, a first receiving portion in the driving portion, and a second receiving portion between the driving portion and the gripping portion. A main body having a third receiving portion connected thereto; a ratchet rotatably provided in the first receiving portion and having teeth on an outer peripheral surface; two locking members, in the second receiving portion of the main body Slidably provided at two ends of the two, and there is a tooth on one side opposite to the ratchet, a guide portion is provided on the upper surface of the opposite ends of the two locking members, and an elastic body is provided between the two locking members. The two locking members; a control member, which is pivoted in the third accommodating portion of the main body, and has a direction control portion corresponding to the two guide portions of the two locking members at one end on the inner side. The depression angle of the connecting line between the two outer end angles of the direction control unit and the rotation center of the control member is 100 degrees or less, and the control unit Is movable between three or more operation positions, and when the control member is in an intermediate position, the direction control unit does not drive the guide unit, and the teeth of the two locking members mesh with the teeth of the ratchet .

  In the present invention, although the ratchet wrench described above has a two-way rotation function, it cannot be used as a fixed wrench, and the control member must be frequently switched when finely adjusting the fastening to the fixed part. And, since the opening angle of the control groove of the direction control portion of the control member is too large, the outer end angle of the control member cannot be contacted with the slide guide portion of the direction block unless the outer end angle is rotated about 50 degrees. This idling process increases the swing angle required when switching between the two operating positions of the control member, and solves the problem that it is relatively time consuming and inconvenient for operation.

Please refer to FIGS. A preferred embodiment of the three-way ratchet spanner of the present invention includes a main body 10, a ratchet 20, two locking members 30, and a control member 40.
A driving unit 11 is provided at one end of the main body 10, and a gripping unit 12 that is gripped by a user is connected to the driving unit 11. A first accommodating portion 13 is provided in the driving portion 11 of the main body 10, and an annular concave groove 131 is provided at one end of the inner peripheral surface of the first accommodating portion 13. A second housing portion 14 having an arc shape and a third housing portion 15 connected to the second housing portion 14 are provided between the driving portion 11 and the gripping portion 12. A fixing hole 151 and a positioning hole 152 are provided in the center of the third accommodating portion 15, and the positioning device 17 is accommodated in the positioning hole 152, and the positioning device 17 includes an elastic body 171 and a steel bead 172. A non-hollow connecting portion 16 is formed between the third housing portion 15 and the first housing portion 13.

  The ratchet 20 is rotatably provided in the first housing portion 13 of the main body 10, and a drive portion 21 for fastening a fixing component is provided at the center of the ratchet 20, and is connected to the outer peripheral surface of the ratchet 20. The plurality of teeth 22 are provided, and a concave groove 23 is provided in an annular shape at one end of the outer peripheral surface of the ratchet 20. See also FIG. A C-shaped snap ring 24 is provided between the concave groove 23 of the ratchet 20 and the concave groove 131 of the main body 10, whereby the ratchet 20 is coupled into the first accommodating portion 13 of the main body 10 and is in a relative rotational relationship with the main body 10. Can be generated.

  The two locking members 30 are slidably provided at two ends in the second accommodating portion 14 of the main body 10, and correspond to the teeth 22 on one side of the two locking members 30 facing the ratchet 20. A plurality of teeth 31 are provided, and a guide portion 32 and a recess 33 around the guide portion 32 are provided on the upper surface of the opposing ends of the two locking members 30, and the opposing ends of the two locking members 30 are provided. Each of the holes 34 is provided, and the elastic body 35 is accommodated in the holes 34, whereby the space between the two locking members 30 is elastic.

  The control member 40 is pivotally installed in the third accommodating portion 15 of the main body 10, and a hole 41 is provided in the center of the control member 40. See also FIG. 3, but at one end inside the control member 40, Direction control sections 42 corresponding to the two guide sections 32 of the two locking members 30 are provided, and the first positioning recess 43, the second positioning recess 44, and A third positioning recess 45 is provided. A lever 46 is provided at one end of the control member 40 away from the direction control unit 42. The fixing bolt 47 is inserted into the hole 41 of the control member 40 and screwed into the fixing hole 151 of the main body 10, whereby the control member 40 is coupled to the main body 10 and the second receiving portion 14 and the third receiving portion of the main body 10 are accommodated. Part 15 is closed. In the first embodiment, the direction control unit 42 is implemented as a W-shaped groove.

  Please refer to FIG. The included angle of the connecting line between the two outer end angles of the direction control portion 42 of the control member 40 and the center of the fixing bolt 47 (that is, the rotation center of the control member 40) is 100 degrees or less. In the first embodiment, the included angle Is 70 degrees. The width of the direction control unit 42 (that is, the distance between the two outer end angles) is two in the natural state of the two locking members 30 (that is, the guide unit 32 is not driven by the direction control unit 42). Slightly larger than the distance between the guide portions 32.

  In FIG. 5, the control member 40 is further positioned at the second operation position (intermediate position), and the steel beads 172 of the positioning device 17 are fitted into the second positioning recess 44 of the control member 40. The control unit 42 is in a position corresponding to the middle of the second storage unit 14. The two outer end angles of the direction control part 42 of the control member 40 enter the recesses 33 of the two locking members 30, and the two guide parts 32 of the two locking members 30 are both direction control parts 42. The two locking members 30 abut against the wall surface of the second accommodating portion 14, and the first teeth 31 of the two locking members 30 mesh with the teeth 22 of the ratchet 20, respectively. Yes. At this time, the ratchet 20 cannot form a relative rotational relationship with the main body 10, and the three-way ratchet spanner can rotate the fixed component in the clockwise and counterclockwise directions in the same manner as the fixed spanner.

  See FIG. The control member 40 is driven and positioned at the third operation position, and the steel beads 172 of the positioning device 17 are fitted into the third positioning recess 45 of the control member 40. The direction control part 42 of the control member 40 drives the guide part 32 of the right locking member 30 to separate the first teeth 31 of the right locking member 30 from the teeth 22 of the ratchet 20. The locking member 30 on the left side is not driven by the control member 40 and abuts against the wall surface of the second housing portion 14. At this time, the ratchet spanner can turn the fixing component counterclockwise.

  Please refer to FIG. The control member 40 is driven to be positioned at the first operation position, and the steel beads 172 of the positioning device 17 are fitted into the first positioning recess 43 of the control member 40. The direction control part 42 of the control member 40 drives the guide part 32 of the left locking member 30 to separate the first teeth 31 of the left locking member 30 from the teeth 22 of the ratchet 20. The right locking member 30 is not driven by the control member 40 and abuts against the wall surface of the second housing portion 14. At this time, the ratchet spanner can turn the fixing component clockwise by hand. The control member 40 is movable between at least three operation positions.

  The points to note are as follows. That is, since the depression angle of the connecting line between the two outer end angles of the direction control portion 42 of the control member 40 and the rotation center of the control member 40 is smaller than 100 degrees, the control member 40 only rotates a small angle. One locking member 30 can be driven, whereby the idling stroke of the control member 40 can be reduced, and the time for switching the direction of the ratchet spanner can be saved. Further, the width of the direction control portion 42 is slightly larger than the distance between the two guide portions 32 in the natural state of the two locking members 30, so that when the control member 40 is in the second operation position, The two guide portions 32 of the two locking members 30 are not driven by the direction control portion 42, whereby the ratchet spanner can be used as a fixed spanner, and the practicality and convenience of the ratchet spanner can be enhanced.

  FIG. 8 shows a second embodiment of the present invention, which is almost the same as the first embodiment, but the difference is the connection between the two outer end angles of the direction control portion 42 of the control member 40 and the rotation center of the control member 40. The depression angle of the line is 100 degrees. Similarly, the width of the direction control part 42 is larger than the distance between the two guide parts 32 in the natural state of the two locking members 30.

  FIG. 9 shows a third embodiment of the present invention. The third embodiment and the first embodiment are almost the same, but the difference is in the change in the form of the ratchet 20 '. The ratchet 20 ′ is provided with teeth 22 ′ and a concave groove 23 ′ on the outer periphery of the ratchet 20 ′, and a drive portion 21 ′ to which a sleeve (not shown) is coupled is provided at the other end of the ratchet 20 ′. A fitting device 25 ′ is provided in the part 21 ′, and the fitting device 25 ′ fixes a sleeve combined with the drive unit 21 ′. A C-shaped snap ring 24 ′ is provided between the concave groove 23 ′ of the ratchet 20 ′ and the concave groove 131 of the main body 10, and the ratchet 20 ′ is rotatably coupled to the first accommodating portion 13 of the main body 10. In this third embodiment, the drive 21 'is implemented as a square head.

  FIG. 10 shows a fourth embodiment of the present invention, the fourth embodiment and the first embodiment being substantially the same, and the difference lies in a change in the form of the ratchet 20 ″ of the fourth embodiment. On the outer peripheral surface of the ratchet 20 ″, an annular tooth 22 ″ and a concave groove 23 ″ are provided, and at the other end of the ratchet 20 ″ is provided a drive unit 21 ″ to which a sleeve (not shown) is coupled. "A quick-fitting device 25" is provided within the quick-fitting device 25 "which selectively limits the relative movement relationship between the sleeve and the drive 21". A C-shaped snap ring 24 ″ is provided between the groove 23 ″ of the ratchet 20 ″ and the groove 131 of the main body 10, whereby the ratchet 20 ″ is rotatably coupled into the first receiving portion 13 of the main body 10. Is done. The drive unit 21 "in the fourth embodiment is implemented as a square head.

It is a three-dimensional combination diagram of the first embodiment of the present invention. It is a three-dimensional exploded view of the first embodiment of the present invention. It is a perspective view from the bottom of the control member of the present invention. FIG. 4 is a sectional view taken along line 4-4 of FIG. FIG. 5 is a cross-sectional view taken along line 5-5 of FIG. 1 and shows a state where the control member is in the second operation position. FIG. 5 shows a state where the control member is in the third operation position in relation to FIG. FIG. 5 shows a state where the control member is in the first operation position in relation to FIG. 5. It is a cross-sectional view of the second embodiment of the present invention. It is longitudinal direction sectional drawing of 3rd Example of this invention. It is longitudinal section of the 4th example of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Main body 11 Drive part 12 Gripping part 13 1st accommodating part 131 Concave groove 14 2nd accommodating part 15 3rd accommodating part 151 Fixing hole 152 Positioning hole 16 Connecting part 17 Positioning device 171 Elastic body 172 Steel bead 20 Ratchet 21 Driving part 22 tooth 23 concave groove 24 C-shaped snap ring 30 locking member 31 tooth 32 guide portion 33 recess 40 control member 41 hole 42 direction control portion 43 first positioning recess 44 second positioning recess 45 third positioning recess 46 lever 47 fixing bolt 20 'ratchet 21' drive part 22 'tooth 23' concave groove 24 'C-shaped snap ring 25' locking device 20 "ratchet 21" drive part 22 "tooth 23" concave groove 24 "C-shaped snap ring 25" quick locking apparatus

Claims (29)

In the three-way ratchet spanner,
A main body having a driving portion at one end, a gripping portion connected to the driving portion, a first housing portion being provided in the driving portion, and a second housing portion between the driving portion and the gripping portion. And the main body provided with a third housing portion connected to the second housing portion,
A ratchet, wherein the ratchet is rotatably provided in the first housing portion and provided with teeth in an annular shape on the outer peripheral surface;
Two locking members, which are slidably provided at two ends of the main body of the second receiving portion, and provided with teeth on one side facing the ratchet, of the opposing ends of the two locking members. There are guide portions on the upper surface, and the two locking members provided with an elastic body between the two locking members;
A control member, pivoted in the third housing portion of the main body, and having a direction control portion corresponding to the two guide portions of the two locking members at one end on the inside, and two outer ends of the direction control portion The control member, wherein a depression angle of a connecting line between the corner and the rotation center of the control member is 100 degrees or less;
When the control member is movable between at least three operating positions, and the control member is in an intermediate position, the direction control unit does not drive the two guide portions of the two locking members, A three-way ratchet spanner in which the teeth of the two locking members respectively mesh with the teeth of the ratchet.   The three-way ratchet spanner according to claim 1, wherein a groove is annularly provided at one end of the inner peripheral surface of the first housing portion of the main body, and a groove is annularly provided at one end of the outer peripheral surface of the ratchet. A three-way ratchet spanner, wherein a C-shaped snap ring is provided between two concave grooves, and the ratchet is coupled to the first receiving portion of the main body.   The three-way ratchet spanner according to claim 1, wherein a fixing hole is provided in the center of the third housing portion of the main body, a hole is provided in the center of the control member, and a fixing bolt is inserted through the hole of the control member. A three-way ratchet spanner, wherein the three-way ratchet spanner is screwed into the fixing hole, the control member is coupled to the main body, and the second and third receiving portions of the main body are closed.   3. The three-way ratchet spanner according to claim 1, wherein a positioning hole is provided in the third accommodating portion of the main body, a positioning device is accommodated in the positioning hole, and three adjacent positioning recesses are provided inside the control member. The three-way ratchet spanner, wherein the positioning device is fitted into the positioning recess to position the control member.   The three-way ratchet spanner according to claim 4, wherein the positioning device includes an elastic body and a steel bead.   The three-way ratchet spanner according to claim 1, wherein a non-hollow connecting portion is formed between the third housing portion and the first housing portion of the main body.   The three-way ratchet spanner according to claim 1, wherein a drive unit is provided in the center of the ratchet, and the drive unit is used for receiving a fixed part.   The three-way ratchet spanner according to claim 1, wherein a recess is provided around the guide portion on the upper surface of the two locking members.   The three-way ratchet spanner according to claim 1, wherein holes are provided at opposite ends of the two locking members, and the elastic body is provided between holes at the opposite ends of the two locking members. A three-way ratchet spanner characterized in that the locking member is elastic.   The three-way ratchet spanner according to claim 1, wherein a lever is provided at one end of the control member that is away from the direction control portion.   The three-way ratchet spanner according to claim 1, wherein a depression angle of a connection line between the two outer end angles of the direction control unit and the rotation center of the control member is 70 degrees.   The three-way ratchet spanner according to claim 1, wherein the distance between the two outer end angles of the direction control part is larger than the distance between the two guide parts in the natural state of the two locking members. Three-way ratchet spanner.   The three-way ratchet spanner according to claim 1, wherein a drive unit to which a sleeve is coupled is provided to the ratchet, a fitting device is provided in the drive unit, and the sleeve is fitted to the drive unit. A three-way ratchet spanner.   3. The three-way ratchet spanner according to claim 1, wherein a drive portion to which a sleeve is coupled is provided to the ratchet, a quick-fitting device is provided in the drive portion, and a relative movement relationship between the sleeve and the drive portion is selective. A three-way ratchet spanner, characterized in that it can be limited to   15. The three-way ratchet spanner according to claim 13 or 14, wherein a drive unit to which a sleeve is coupled is provided to the ratchet, a quick fitting device is provided in the drive unit, and relative movement between the sleeve and the drive unit is performed. A three-way ratchet wrench characterized in that the relationship can be selectively restricted. In the three-way ratchet spanner,
A main body having a driving portion at one end, a gripping portion connected to the driving portion, a first housing portion being provided in the driving portion, and a second housing portion between the driving portion and the gripping portion. And the main body provided with a third housing portion connected to the second housing portion,
A ratchet, wherein the ratchet is rotatably provided in the first housing portion and provided with teeth in an annular shape on the outer peripheral surface;
Two locking members, slidably provided at the two ends of the second housing portion of the main body, and provided with teeth on one side opposed to the ratchet, and the guide portions on the two locking members, respectively. The two locking members provided with an elastic body between the two locking members;
A control member pivoted in the third housing portion of the main body, movable between at least three operating positions, and at the one end inside the control member, the two guide portions of the two locking members A direction control unit corresponding to the direction control unit is provided, the included angle of the connecting line between the two outer end angles of the direction control unit and the rotation center of the control member is 100 degrees or less, and the distance between the two outer end angles of the direction control unit is The control member being greater than the distance between the two guide portions in an undriven state by the direction control portion of the two locking members;
A three-way ratchet spanner, characterized in that   The three-way ratchet spanner according to claim 16, wherein a groove is annularly provided at one end of the inner peripheral surface of the first housing portion of the main body, and a groove is annularly provided at one end of the outer peripheral surface of the ratchet. A three-way ratchet spanner, wherein a C-shaped snap ring is provided between two concave grooves, and the ratchet is coupled to the first receiving portion of the main body.   The three-way ratchet spanner according to claim 16, wherein a fixing hole is provided in the center of the third housing portion of the main body, a hole is provided in the center of the control member, and a fixing bolt is inserted through the hole of the control member. A three-way ratchet spanner, wherein the three-way ratchet spanner is screwed into the fixing hole, the control member is coupled to the main body, and the second and third receiving portions of the main body are closed.   The three-way ratchet spanner according to claim 16, wherein a positioning hole is provided in the third receiving portion of the main body, a positioning device is received in the positioning hole, and three adjacent positioning recesses are provided inside the control member. The three-way ratchet spanner, wherein the positioning device is fitted into the positioning recess to position the control member.   The three-way ratchet spanner according to claim 19, wherein the positioning device includes an elastic body and a steel bead.   The three-way ratchet spanner according to claim 16, wherein a non-hollow connecting portion is formed between the third housing portion and the first housing portion of the main body.   17. The three-way ratchet spanner according to claim 16, wherein a drive unit is provided at the center of the ratchet, and the drive unit is used for receiving a fixed part.   The three-way ratchet spanner according to claim 16, wherein a recess is provided around the guide portion on the upper surface of the two locking members.   The three-way ratchet spanner according to claim 16, wherein holes are provided at opposite ends of the two locking members, and the elastic body is provided between holes at the opposite ends of the two locking members. A three-way ratchet spanner characterized in that the locking member is elastic.   The three-way ratchet spanner according to claim 16, wherein a lever is provided at one end of the control member that is away from the direction control portion.   The three-way ratchet spanner according to claim 16, wherein a depression angle of a connecting line between the two outer end angles of the direction control unit and the rotation center of the control member is 70 degrees.   The three-way ratchet spanner according to claim 16, wherein a drive unit to which a sleeve is coupled is provided to the ratchet, a fitting device is provided in the drive unit, and the sleeve is fitted to the drive unit. A three-way ratchet spanner.   17. The three-way ratchet spanner according to claim 16, wherein a drive portion to which a sleeve is coupled is provided to the ratchet, a quick fitting device is provided in the drive portion, and a relative movement relationship between the sleeve and the drive portion is selective. A three-way ratchet spanner, characterized in that it can be limited to   29. A three-way ratchet spanner according to claim 27 or claim 28, wherein a drive portion to which a sleeve is coupled is provided to the ratchet, a quick fitting device is provided in the drive portion, and relative movement between the sleeve and the drive portion is provided. A three-way ratchet wrench characterized in that the relationship can be selectively restricted.

Images