CN113370123A - Toothless silent bidirectional adjustable wrench - Google Patents
Toothless silent bidirectional adjustable wrench Download PDFInfo
- Publication number
- CN113370123A CN113370123A CN202110714119.5A CN202110714119A CN113370123A CN 113370123 A CN113370123 A CN 113370123A CN 202110714119 A CN202110714119 A CN 202110714119A CN 113370123 A CN113370123 A CN 113370123A
- Authority
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- China
- Prior art keywords
- clutch
- rotating shaft
- cover
- cavity
- accommodating cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 title abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000005034 decoration Methods 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a toothless silent bidirectional adjustable wrench, which comprises a wrench body and a rotating shaft, wherein the wrench body comprises a handle and a driving end, the top surface of the driving end is provided with an accommodating cavity, the bottom surface of the accommodating cavity is also provided with a shaft hole which penetrates through the driving end up and down, the side wall of the accommodating cavity is provided with a plurality of clutch cavities, the rotating shaft is arranged in the accommodating cavity, a clutch seat is sleeved on the rotating shaft and comprises an end cover and a clutch rod, the end cover is arranged at the end openings of the accommodating cavity and the clutch cavities, the clutch rod is positioned between the adjacent clutch cavities and connected with the end cover, a clutch mechanism of the rotating shaft and the driving end is arranged in each clutch cavity, the clutch seat is matched with the clutch mechanism, and the three functions of bidirectional locking, right-handed locking and left-handed locking can be realized through the cooperation of the clutch mechanism and the clutch seat Silence, stable and reliable characteristics.
Description
Technical Field
The invention relates to a wrench, in particular to a toothless silent bidirectional adjustable wrench.
Background
The spanner is a hand tool for mounting and dismounting parts such as nuts and bolts, and is convenient to use, an one-way ratchet wheel is arranged inside the spanner, the current one-way ratchet spanner as the publication No. CN 206066301U discloses a ratchet spanner utility model, which comprises a spanner body, an insertion hole penetrating up and down is arranged on the spanner body, a ratchet ring is arranged in the insertion hole, a containing chamber is arranged on the wall surface of the insertion hole of the spanner body, a pawl and a special-shaped elastic element are arranged in the containing chamber, the latch of the pawl is matched with the latch of the outer edge of the ratchet ring, the lower part of the matching surface of the pawl and the special-shaped elastic element is arranged in a slope, one side of the special-shaped elastic element corresponding to the pawl is arranged in a wedge shape, when the wedge shape is pushed to one side of the pawl, the ratchet spanner realizes one-way driving through the one-way ratchet wheel, when the ratchet wheel rotates reversely, the ratchet wheel slips and clicks to generate the click, The ratchet wrench can only drive in one direction and generate noise when rotating in the reverse direction at the same time, and the wrench needs to rotate 180 degrees when needing to drive in the reverse direction; in addition, the ratchet wrench mainly depends on the separation and reunion of the pawl and the inner wall of the accommodating chamber, and the possibility that the pawl can not be separated exists, so the reliability is not good.
Disclosure of Invention
The invention aims to provide a toothless silent bidirectional adjustable wrench, wherein the wrench body and a rotating shaft are clutched through a plurality of groups of clutch mechanisms, and the three functions of bidirectional locking, right-handed locking and left-handed locking can be realized through the cooperation of the clutch mechanisms and clutch seats.
The following technical scheme is adopted for achieving the purpose:
a toothless silent bidirectional adjustable wrench comprises a wrench body and a rotating shaft, wherein the wrench body comprises a handle and a driving end, the top surface of the driving end is provided with an accommodating cavity, the bottom surface of the accommodating cavity is also provided with a shaft hole which vertically penetrates through the driving end, the shaft hole is coaxial with the accommodating cavity, the side wall of the accommodating cavity is provided with a plurality of clutch cavities which are symmetrically distributed by taking the shaft hole as the center, the rotating shaft is arranged in the accommodating cavity, a clutch seat is sleeved on the rotating shaft and comprises an end cover and a clutch rod, the end cover is arranged at the end openings of the accommodating cavity and the clutch cavities, the clutch rod is positioned between the adjacent clutch cavities and connected with the end covers, the end cover is provided with a through hole which is coaxial with; a clutch mechanism of the rotating shaft and the driving end is arranged in each clutch cavity, the clutch seat is matched with the clutch mechanism, and the clutch seat can extrude one end of the clutch mechanism through rotation to realize unidirectional synchronous rotation of the rotating shaft and the driving end; and a positioning structure is arranged between the clutch seat and the driving end, and the positioning structure keeps the position of the clutch seat.
The clutch mechanism comprises two clutch rollers, a spring is arranged between the two clutch rollers, a gap between each clutch cavity side wall and the rotating shaft is wide in the middle and narrow in two sides, the outer diameter of each clutch roller is larger than the minimum gap between each clutch cavity side wall and the rotating shaft, the clutch rollers are clamped between the clutch cavity side walls and the outer side walls of the rotating shafts under the action of the spring, and the clutch seat can rotate to push the clutch rollers at one end of the spring to move towards the middle of the clutch cavity.
The positioning structure is characterized in that a blind hole 15 is formed in the side of the accommodating cavity, an elastic ejecting ball 6 is arranged in the blind hole 15, a plurality of positioning grooves are formed in the position, corresponding to the elastic ejecting ball 6, of the clutch seat 4, the positioning grooves comprise a locking groove 44, a right-handed locking groove 45 and a left-handed locking groove 46, and when the elastic ejecting ball 6 corresponds to the locking groove 44, the clutch rod 42 of the clutch seat 4 is positioned between adjacent clutch cavities and does not extrude the clutch mechanism; when the clutch seat 4 rotates clockwise to enable the elastic ejecting ball 6 to correspond to the right-handed locking groove 45, the clutch rod 42 extrudes the clutch roller 51 at the left end of the clutch mechanism; when the clutch seat 4 rotates anticlockwise to enable the elastic top ball 6 to correspond to the left-handed locking groove 46, the clutch rod presses the clutch roller at the right end of the clutch mechanism.
The rotating shaft comprises a columnar body and connecting columns at the upper end and the lower end of the columnar body, the outer diameters of the connecting columns are smaller than that of the columnar body, the cross sections of the connecting columns are in a regular polygon shape, and second elastic ejecting beads are arranged on the side walls of the connecting columns.
The cylindrical body is provided with a clamping groove at a position close to the upper end, and the clamp spring is clamped in the clamping groove to axially position the cylindrical body of the rotating shaft in the accommodating cavity.
The end cover comprises a decoration cover and a positioning cover, the bottom surface of the decoration cover is provided with a containing groove matched with the positioning cover in shape, the clutch rod is fixedly connected with the positioning cover, and the through hole penetrates through the decoration cover and the positioning cover; the positioning groove is arranged on the positioning cover.
The side wall of the containing cavity is provided with a plurality of clutch cavities, each clutch cavity is internally provided with a clutch mechanism with a rotating shaft and a driving end, the clutch mechanism is a bidirectional clutch mechanism which is supported by a spring between two clutch rollers, the bidirectional clutch mechanism is controlled by a clutch lever of a clutch seat, when the clutch lever does not extrude the bidirectional clutch mechanism, the bidirectional clutch mechanism blocks the rotating shaft and the inner wall of the containing cavity, and the wrench is equivalent to a common wrench; when the clutch seat rotates clockwise to enable the elastic ejecting ball to correspond to the right-handed locking groove, the clutch rod extrudes the clutch roller at one end of the clutch mechanism; at the moment, the wrench rotates the wrench body clockwise to slip with the rotating shaft, and the wrench rotates the clutch mechanism anticlockwise to lock the wrench body and the rotating shaft; when the clutch seat rotates anticlockwise to enable the elastic ejecting ball to correspond to the left-handed locking groove, the clutch rod extrudes the clutch roller at the other end of the clutch mechanism; at the moment, the wrench rotates the wrench body anticlockwise to slip with the rotating shaft, and the wrench rotates the clutch mechanism clockwise to lock the wrench body and the rotating shaft; thereby realizing three functions; the invention adopts the clutch structure of the clutch roller, removes the ratchet wheel component, prevents the ratchet wheel from slipping due to the wrench slipping, has the effect of no tooth and no noise, and gives priority to the internal structure, so that the structure is simpler and more reasonable, and the reliability is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic exploded view of the present invention;
FIG. 3 is a schematic diagram of the exploded structure of the present invention;
FIG. 4 is a side view of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;
fig. 6 is a schematic structural view of the wrench body according to the present invention.
Detailed Description
As shown in fig. 1-6, a toothless silent bidirectional adjustable wrench comprises a wrench body 1 and a rotating shaft 2, the wrench body 1 comprises a handle 11 and a driving end 12, the top surface of the driving end 12 is provided with a containing cavity 13, the bottom surface of the containing cavity 13 is also provided with a shaft hole 3 which vertically penetrates through the driving end, the shaft hole 3 is coaxial with the containing cavity 13, the side wall of the containing cavity 13 is provided with a plurality of clutch cavities 14 which are symmetrically distributed by taking the shaft hole as the center, the rotating shaft 2 is arranged in the containing cavity 13, the rotating shaft 2 is sleeved with a clutch seat 4, the clutch seat 4 comprises an end cover 41 and a clutch rod 42, the end cover 41 is arranged at the end openings of the containing cavity 13 and the clutch cavity 14, the clutch rod 42 is arranged between the adjacent clutch cavities 13 and connected with the end cover 41, the end cover 41 is provided with a through hole 43 which is coaxial with the shaft hole 3, the rotating shaft 2 comprises a columnar body 21 and a connecting column-shaped body upper and a lower two-end connecting column 22, the outer diameter of the connecting column 22 is smaller than that of the cylindrical body 21, the section of the connecting column 22 is a regular polygon, and the side wall of the connecting column 22 is provided with a second elastic top bead 7; a clamping groove 23 is formed in the position, close to the upper end, of the cylindrical body 21, and the clamp spring 24 is clamped in the clamping groove 23 to axially position the cylindrical body 21 of the rotating shaft 2 in the accommodating cavity 13; the connecting columns 22 at the two ends of the rotating shaft 2 penetrate through the through holes 43 and the shaft holes 3; a clutch mechanism of the rotating shaft 2 and the driving end 12 is arranged in each clutch cavity 14, the clutch seat 4 is matched with the clutch mechanism, and the clutch seat 4 can extrude one end of the clutch mechanism through rotation to realize unidirectional synchronous rotation of the rotating shaft 2 and the driving end 12; a positioning structure is arranged between the clutch seat 3 and the driving end 12.
The end cover 41 comprises a decorative cover 411 and a positioning cover 412, the bottom surface of the decorative cover 411 is provided with a containing groove 413 matched with the positioning cover 412 in shape, the clutch lever 42 is fixedly connected with the positioning cover 412, and the through hole 43 penetrates through the decorative cover 411 and the positioning cover 412; the positioning groove 413 is formed in the positioning cover 412.
The clutch mechanism comprises two clutch rollers 51, a spring 52 is arranged between the two clutch rollers 51, a gap between the side wall of each clutch cavity 14 and the rotating shaft 2 is wide in the middle and narrow in two sides, the outer diameter of each clutch roller 51 is larger than the minimum gap between the side wall of the clutch cavity 14 and the rotating shaft 2, and the clutch rollers 51 are clamped between the side wall of the clutch cavity and the outer side wall of the rotating shaft under the action of the spring 52.
The positioning structure is characterized in that a blind hole 15 is formed in the side of the accommodating cavity, an elastic ejecting ball 6 is arranged in the blind hole 15, a plurality of positioning grooves are formed in the position, corresponding to the elastic ejecting ball 6, of the clutch seat 4, the positioning grooves comprise a locking groove 44, a right-handed locking groove 45 and a left-handed locking groove 46, and when the elastic ejecting ball 6 corresponds to the locking groove 44, the clutch rod 42 of the clutch seat 4 is positioned between adjacent clutch cavities and does not extrude the clutch mechanism; when the clutch seat 4 rotates clockwise to enable the elastic ejecting ball 6 to correspond to the right-handed locking groove 45, the clutch rod 42 extrudes the clutch roller 51 at one end of the clutch mechanism; when the clutch base 4 is rotated counterclockwise so that the elastic knock bead 6 corresponds to the left-handed locking groove 46, the clutch lever 42 presses the clutch roller 51 at the other end of the clutch mechanism.
The side wall of the containing cavity is provided with a plurality of clutch cavities, each clutch cavity is internally provided with a clutch mechanism with a rotating shaft and a driving end, the clutch mechanism is a bidirectional clutch mechanism which is supported by a spring between two clutch rollers, the bidirectional clutch mechanism is controlled by a clutch lever of a clutch seat, when the clutch lever does not extrude the bidirectional clutch mechanism, the bidirectional clutch mechanism blocks the rotating shaft and the inner wall of the containing cavity, and the wrench is equivalent to a common wrench; when the clutch seat rotates clockwise to enable the elastic ejecting ball to correspond to the right-handed locking groove, the clutch rod extrudes the clutch roller at one end of the clutch mechanism; at the moment, the wrench rotates the wrench body clockwise to slip with the rotating shaft, and the wrench rotates the clutch mechanism anticlockwise to lock the wrench body and the rotating shaft; when the clutch seat rotates anticlockwise to enable the elastic ejecting ball to correspond to the left-handed locking groove, the clutch rod extrudes the clutch roller at the other end of the clutch mechanism; at the moment, the wrench rotates the wrench body anticlockwise to slip with the rotating shaft, and the wrench rotates the clutch mechanism clockwise to lock the wrench body and the rotating shaft; thereby realizing three functions; the invention adopts the clutch structure of the clutch roller, removes the ratchet wheel component, prevents the ratchet wheel from slipping due to the wrench slipping, has the effect of no tooth and no noise, and gives priority to the internal structure, so that the structure is simpler and more reasonable, and the reliability is better.
Claims (6)
1. The utility model provides a noiseless two-way adjustable spanner of toothless, includes wrench body (1) and rotation axis (2), and wrench body (1) includes handle (11) and drive end (12), its characterized in that: the top surface of the driving end (12) is provided with an accommodating cavity (13), the bottom surface of the accommodating cavity (13) is further provided with a shaft hole (3) which penetrates through the driving end up and down, the shaft hole (3) is coaxial with the accommodating cavity (13), the side wall of the accommodating cavity (13) is provided with a plurality of clutch cavities (14) which are symmetrically distributed by taking the shaft hole as a center, the rotating shaft (2) is arranged in the accommodating cavity (13), the rotating shaft (2) is sleeved with a clutch seat (4), the clutch seat (4) comprises an end cover (41) and a clutch rod (42), the end cover (41) is arranged at the port parts of the accommodating cavity (13) and the clutch cavity (14), the clutch rod (42) is positioned between the adjacent clutch cavities (13) and connected with the end cover (41), the end cover (41) is provided with a through hole (43) which is coaxial with the shaft hole (3), and two ends of the rotating shaft (2) penetrate through the through hole (43) and the shaft hole (3); a clutch mechanism of the rotating shaft (2) and the driving end (12) is arranged in each clutch cavity (14), the clutch seat (4) is matched with the clutch mechanism, and one end of the clutch mechanism can be pressed by the clutch seat (4) through rotation, so that the rotating shaft (2) and the driving end (12) can rotate synchronously in one direction; a positioning structure is arranged between the clutch seat (3) and the driving end (12).
2. A toothless silent reversible adjustable wrench as claimed in claim 1, characterized in that: the clutch mechanism comprises two clutch rollers (51), a spring (52) is arranged between the two clutch rollers (51), the gap between the side wall of each clutch cavity (14) and the rotating shaft (2) is wide in the middle and narrow in two sides, the outer diameter of each clutch roller (51) is larger than the minimum gap between the side wall of each clutch cavity (14) and the rotating shaft (2), the clutch rollers (51) are clamped between the side wall of each clutch cavity and the outer side wall of the rotating shaft under the action of the spring (52), and the clutch seat (4) rotates to push the clutch rollers (51) at one end of the spring to move towards the middle of the clutch cavity (14).
3. A toothless silent reversible adjustable wrench as claimed in claim 1 or 2, characterized in that: the location structure for seted up blind hole (15) at holding chamber side, be provided with elasticity top pearl (6) in blind hole (15) separation and reunion seat (4) the position that corresponds elasticity top pearl (6) be provided with a plurality of constant head tank, the constant head tank is including locking groove (44), dextrorotation locking groove (45) and levogyration locking groove (46).
4. A toothless silent reversible adjustable wrench as claimed in claim 1, characterized in that: the rotating shaft (2) comprises a cylindrical body (21) and connecting columns (22) at the upper end and the lower end of the cylindrical body, the outer diameter of each connecting column (22) is smaller than that of the cylindrical body (21), the cross sections of the connecting columns (22) are regular polygons, and second elastic ejecting beads (7) are arranged on the side walls of the connecting columns (22).
5. The toothless, silent, bi-directional adjustable wrench of claim 4, wherein: a clamping groove (23) is formed in the position, close to the upper end, of the cylindrical body (21), and the clamping spring (24) is clamped in the clamping groove (23) to axially position the cylindrical body (21) of the rotating shaft (2) in the accommodating cavity (13).
6. A toothless silent reversible adjustable wrench as claimed in claim 1, characterized in that: the end cover (41) comprises a decoration cover (411) and a positioning cover (412), a containing groove (413) matched with the positioning cover (412) in shape is formed in the bottom surface of the decoration cover (411), the clutch lever (42) is fixedly connected with the positioning cover (412), and the through hole (43) penetrates through the decoration cover (411) and the positioning cover (412); the positioning groove (413) is formed in the positioning cover (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110714119.5A CN113370123A (en) | 2021-06-26 | 2021-06-26 | Toothless silent bidirectional adjustable wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110714119.5A CN113370123A (en) | 2021-06-26 | 2021-06-26 | Toothless silent bidirectional adjustable wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113370123A true CN113370123A (en) | 2021-09-10 |
Family
ID=77579284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110714119.5A Pending CN113370123A (en) | 2021-06-26 | 2021-06-26 | Toothless silent bidirectional adjustable wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113370123A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5086673A (en) * | 1991-04-22 | 1992-02-11 | David Korty | Ratchet wrench with positive locking capability |
| CA2134689A1 (en) * | 1994-10-18 | 1996-04-19 | Wayne C. Duncan | Cam Drive Mechanism |
| US5941140A (en) * | 1996-10-31 | 1999-08-24 | Alvin C. Collins | Reversible stepless wrench |
| CN2399164Y (en) * | 1999-11-30 | 2000-10-04 | 潘清治 | Socket spanner |
| US20040007437A1 (en) * | 2000-04-20 | 2004-01-15 | Linzell Geoffrey Robert | Mechanical coupling devices |
| WO2005051603A1 (en) * | 2003-11-25 | 2005-06-09 | Allan Meyer | Two way torque spanner |
| US20110155531A1 (en) * | 2009-12-31 | 2011-06-30 | Nease Iii H L | Infinitely variable wrench |
| CN105333029A (en) * | 2014-07-11 | 2016-02-17 | 杭州巨星工具有限公司 | Mute spanner |
| US20160271761A1 (en) * | 2015-03-16 | 2016-09-22 | Ting-Kai CHANG | Silent socket wrench |
| CN209380612U (en) * | 2018-11-23 | 2019-09-13 | 新昌县沃客工具有限公司 | A kind of mute spanner |
| DE202020102677U1 (en) * | 2020-05-13 | 2020-05-22 | Ningbo King Mount Co., Ltd. | Turning device of a wrench |
| CN112355955A (en) * | 2020-10-28 | 2021-02-12 | 安徽蒂森五金工具有限公司 | Ratchet wrench with clamping and positioning mechanism |
| CN216127146U (en) * | 2021-06-26 | 2022-03-25 | 安徽蒂森五金工具有限公司 | Toothless silent bidirectional adjustable wrench |
-
2021
- 2021-06-26 CN CN202110714119.5A patent/CN113370123A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5086673A (en) * | 1991-04-22 | 1992-02-11 | David Korty | Ratchet wrench with positive locking capability |
| CA2134689A1 (en) * | 1994-10-18 | 1996-04-19 | Wayne C. Duncan | Cam Drive Mechanism |
| US5941140A (en) * | 1996-10-31 | 1999-08-24 | Alvin C. Collins | Reversible stepless wrench |
| CN2399164Y (en) * | 1999-11-30 | 2000-10-04 | 潘清治 | Socket spanner |
| US20040007437A1 (en) * | 2000-04-20 | 2004-01-15 | Linzell Geoffrey Robert | Mechanical coupling devices |
| WO2005051603A1 (en) * | 2003-11-25 | 2005-06-09 | Allan Meyer | Two way torque spanner |
| US20110155531A1 (en) * | 2009-12-31 | 2011-06-30 | Nease Iii H L | Infinitely variable wrench |
| CN105333029A (en) * | 2014-07-11 | 2016-02-17 | 杭州巨星工具有限公司 | Mute spanner |
| US20160271761A1 (en) * | 2015-03-16 | 2016-09-22 | Ting-Kai CHANG | Silent socket wrench |
| CN209380612U (en) * | 2018-11-23 | 2019-09-13 | 新昌县沃客工具有限公司 | A kind of mute spanner |
| DE202020102677U1 (en) * | 2020-05-13 | 2020-05-22 | Ningbo King Mount Co., Ltd. | Turning device of a wrench |
| CN112355955A (en) * | 2020-10-28 | 2021-02-12 | 安徽蒂森五金工具有限公司 | Ratchet wrench with clamping and positioning mechanism |
| CN216127146U (en) * | 2021-06-26 | 2022-03-25 | 安徽蒂森五金工具有限公司 | Toothless silent bidirectional adjustable wrench |
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