CN213136553U - Bidirectional ratchet wheel all-round handle - Google Patents

Bidirectional ratchet wheel all-round handle Download PDF

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Publication number
CN213136553U
CN213136553U CN202021329226.3U CN202021329226U CN213136553U CN 213136553 U CN213136553 U CN 213136553U CN 202021329226 U CN202021329226 U CN 202021329226U CN 213136553 U CN213136553 U CN 213136553U
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CN
China
Prior art keywords
sleeve
bevel gear
pawl
handle
driving
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.)
Expired - Fee Related
Application number
CN202021329226.3U
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Chinese (zh)
Inventor
师云红
陈玲
周飞
谢庆富
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Kunming University
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Kunming University
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Filing date
Publication date
Application filed by Kunming University filed Critical Kunming University
Priority to CN202021329226.3U priority Critical patent/CN213136553U/en
Application granted granted Critical
Publication of CN213136553U publication Critical patent/CN213136553U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a bidirectional ratchet wheel all-round handle, which comprises a sleeve, wherein a bevel gear driving turntable is arranged in the sleeve and is rotationally connected with the bevel gear driving turntable, an Archimedes spiral guide rail is arranged on the bottom surface of the bevel gear driving turntable, a driving bevel gear is arranged at the upper end of the bevel gear driving turntable, and the side wall of the driving bevel gear, which penetrates out of the sleeve, is connected with a driver for driving the driving bevel gear to rotate; the bottom surface of the sleeve is provided with a plurality of slide rails, and each slide rail is connected with an I-shaped slide block driven by an Archimedes spiral guide rail to move in a sliding manner; the upper end of the sleeve is connected with a sleeve cover, an inner shaft is arranged at the upper end of the sleeve cover, one side of the inner shaft is inwards cut to form a mounting groove, a pawl is rotatably connected in the mounting groove, a ratchet sleeve is rotatably connected to the outer side of the inner shaft, a handle is connected to one side of the outer wall of the ratchet sleeve, and an inner gear is arranged on the inner wall of the ratchet sleeve. The utility model discloses the difficult slipping leads to bolt and nut to damage during the use to the opening size can freely be adjusted, is applicable to the bolt and nut of different models size, improves work efficiency.

Description

Bidirectional ratchet wheel all-round handle
Technical Field
The utility model relates to a hand tool technical field, in particular to two-way ratchet wheel all-round handle.
Background
In the field of equipment maintenance, some mechanical wrenches are needed at any time, most of the existing wrenches are fixed, although a small number of adjustable wrenches exist, most of action points of the adjustable wrenches are two faces or even two lines, the action points are uneven in stress and easy to slip and deform bolts and nuts or even damage the bolts and the nuts, and the parts are possibly damaged due to the fact that the bolts and the nuts are not easy to slip and deform, and great troubles are brought to simple assembling and disassembling. Fixed spanner also is sleeve type, need change different spanners according to the nut bolt model of difference when using, and is more troublesome when using, because the sleeve model is more, does not get rid of and has one or two telescopic circumstances of losing, can not find corresponding model also more troublesome, causes waste time, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two-way ratchet all-round handle is fixed with each face or the water caltrop of bolt and nut, and difficult slipping leads to bolt and nut to damage during the use to but the opening size freedom adjustment is applicable to the bolt and nut of different models size, and it is troublesome to avoid looking for the instrument, improves work efficiency.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a bidirectional ratchet wheel all-round handle comprises a hollow sleeve with a closed lower end, a through hole is formed in the center penetrating through the bottom of the sleeve, a hollow rotating shaft communicated with the through hole is arranged in the sleeve, a bevel gear driving turntable rotationally connected with the hollow rotating shaft is arranged in the sleeve, the gear face of the bevel gear driving turntable faces upwards, an Archimedes spiral guide rail is arranged on one side, close to the bottom surface of the sleeve, of the bevel gear driving turntable, a driving bevel gear meshed with the bevel gear driving turntable is arranged at the upper end of the bevel gear driving turntable, one end of the driving bevel gear is rotationally connected with the side wall of the sleeve, and the side wall, penetrating out of the sleeve, of the driving bevel gear is connected with a driver for driving;
the bottom surface of the sleeve is provided with a plurality of sliding rails which scatter from the through hole to the edge, each sliding rail is connected with an I-shaped sliding block which is driven by the Archimedes spiral guide rail to move in a sliding mode, one end, close to the through hole, of the I-shaped sliding block is arranged outside the sleeve, and one side, close to the bevel gear driving turntable, of the I-shaped sliding block is provided with a sliding groove matched with the Archimedes spiral guide rail;
the ratchet wheel is characterized in that a sleeve cover is connected to the upper end of the sleeve, an inner shaft is upwards arranged at the upper end of the sleeve cover, one side of the inner shaft is inwards cut to form a mounting groove, a pawl is rotatably connected to the mounting groove, the upper end and the lower end of the pawl are rotatably connected with the inner wall of the mounting groove, a ratchet sleeve is rotatably connected to the outer side of the inner shaft, a handle is connected to one side of the outer wall of the ratchet sleeve, an inner gear is arranged on the inner wall of the ratchet sleeve, limiting gears meshed with the inner gear are arranged at the left end and the right end of the pawl, a rotating part for driving the pawl to rotate left and right is arranged at the upper end of the inner shaft, the limiting gear is not in contact with the inner gear.
By adopting the technical scheme, when in use, according to the size of the bolt and the nut, the driver enables the driving bevel gear to rotate to drive the bevel gear to drive the turntable to rotate, the Archimedes spiral guide rail drives the I-shaped sliding block to move back and forth relative to the through hole, the size of an opening formed by the clamping block is changed, finally, the bolt and the nut are inserted into the sleeve, when the left side of the driving pawl deflects outwards, the limiting gear on the left side of the pawl is engaged with the inner gear of the ratchet sleeve, the right side of the pawl is contacted with the inner shaft, the handle can realize clockwise free rotation and anticlockwise locking, when in engagement, as the pawl rotates anticlockwise to the limit, the ratchet sleeve is engaged and locked with the pawl when rotating anticlockwise, the handle drives the wrench to rotate anticlockwise integrally and screw the bolt and the nut, when the ratchet sleeve rotates clockwise, the pawl is driven to, at the moment, the handle cannot drive the wrench to rotate clockwise integrally, only the handle rotates clockwise, and similarly, the right side of the pawl is driven to deflect outwards, the handle can drive the wrench to rotate clockwise integrally, and when the handle rotates anticlockwise, only the handle rotates anticlockwise; when the handle is reset and rotated, only the handle rotates, the bolt and the nut are not screwed, the bolt and the nut can be easily assembled and disassembled by repeated operation, and the operation space is saved.
The utility model discloses a further set up to: the driver is worn out telescopic outer wall rotate with it be connected and with drive bevel gear fixed connection's axis of rotation, the driver to drive bevel gear direction has seted up the geometry connecting hole, can dismantle in the geometry connecting hole and be connected with its matched with geometry adjustment handle.
By adopting the technical scheme, the driving bevel gear is driven to rotate by rotating the geometric adjusting handle, and the operation is simple and convenient.
The utility model discloses a further set up to: the inner shaft is provided with a rotating hole communicated with the mounting groove in the downward direction, the rotating part comprises an adjusting rotating shaft and a knob, the adjusting rotating shaft is rotatably connected with the rotating hole, the upper end of the inner shaft is connected with the adjusting rotating shaft, one side, close to the pawl, of the adjusting rotating shaft is provided with a spring groove, a top shaft is mounted in the spring groove, a spring is arranged between the bottom of the spring groove and the top shaft, the middle part, close to the top shaft, of the pawl is provided with an arc-shaped groove in contact with the top shaft, and the pawl can be driven to rotate left and right through left and right rotation of the top shaft.
The utility model discloses a further set up to: when in use, the left and right rotation of the pawl can be directly adjusted through the knob, and the purpose that the left rotation of the handle is relatively locked integrally or the right rotation of the handle is relatively locked integrally is achieved.
The utility model discloses a further set up to: one end of the top shaft close to the arc-shaped groove is a tip.
The utility model discloses a further set up to: and one side of each clamping block, which is close to the through hole, is provided with a clamping opening.
Through adopting above-mentioned technical scheme, the water caltrop of bolt nut is cliied with pressing from both sides the mouth during use, and is difficult for the slippage more stably.
The utility model discloses a further set up to: and the lower end of the side wall of the sleeve is provided with I-shaped outlets in one-to-one correspondence with the I-shaped sliding blocks.
Through adopting above-mentioned technical scheme, the space that the grip block slidable is bigger, and the opening adjustable range that forms between the grip block is bigger.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the bevel gear is adopted to drive the Archimedes spiral guide rail on the turntable to drive the I-shaped sliding block to move, so that the size of an opening formed between the clamping blocks can be adjusted at will according to actual conditions, the clamping device is suitable for bolt nuts with different models and sizes, the trouble of finding tools is avoided, the working efficiency is improved, the clamping device is in contact with each surface or each water caltrop of the bolt nut, the stress is uniform, the sliding is difficult, and the bolt nut is difficult to damage;
and secondly, the handle can be integrally locked clockwise or anticlockwise through the matching connection of the pawl and the ratchet sleeve, the handle can integrally and freely rotate relatively in the opposite direction, when the bolt and the nut are screwed, the whole circle of rotating handle is not needed, and the bolt and the nut can be installed and disassembled only by rotating the handle at a certain angle back and forth, so that the use is more convenient, and the ratchet sleeve is suitable for being operated in a narrow space.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the overall construction of the sleeve;
FIG. 4 is a schematic diagram of the overall structure of a bevel gear drive turntable;
FIG. 5 is a schematic view of the overall structure of an I-shaped slider and a clamping block;
fig. 6 is a side view of the present invention;
fig. 7 is a cross-sectional view a-a of fig. 6.
In the figure: 1. a sleeve; 11. perforating; 12. a hollow rotating shaft; 13. a slide rail; 14. an I-shaped outlet; 2. the bevel gear drives the turntable; 21. an archimedes spiral guide rail; 3. a drive bevel gear; 31. a driver; 32. connecting holes geometrically; 33. a geometry adjustment handle; 4. an I-shaped slider; 41. a clamping block; 42. clamping the opening; 43. a chute; 5. a sleeve cover; 51. a connecting bolt; 6. an inner shaft; 61. mounting grooves; 62. hole turning; 7. a pawl; 71. a limit gear; 72. An arc-shaped slot; 8. a rotating member; 81. adjusting the rotating shaft; 82. a knob; 83. a spring slot; 85. A top shaft; 86. a spring; 9. a ratchet sleeve; 91. an internal gear; 10. a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the invention relates to a bidirectional ratchet wheel all-round handle, which is shown in fig. 1-7 and comprises a hollow sleeve 1 with a closed lower end, a through hole 11 is formed in the center of the bottom of the sleeve 1, a hollow rotating shaft 12 communicated with the through hole 11 is arranged in the sleeve 1, a bevel gear driving turntable 2 rotationally connected with the hollow rotating shaft 12 is arranged in the sleeve 1, the gear surface of the bevel gear driving turntable 2 faces upwards, an archimedean spiral guide rail 21 is arranged on one side, close to the bottom surface of the sleeve 1, of the bevel gear driving turntable 2, a driving bevel gear 3 meshed with the bevel gear driving turntable 2 is arranged at the upper end of the bevel gear driving turntable 2, one end of the driving bevel gear 3 is rotationally connected with the side wall of the sleeve 1, and the driving bevel gear 3 penetrates through the.
The driver 31 is a rotating shaft which penetrates through the outer wall of the sleeve 1, is connected with the outer wall of the sleeve in a rotating mode and is fixedly connected with the driving bevel gear 3, a geometric connecting hole 32 with a hexagonal cross section is formed in the driver 31 in the direction of the driving bevel gear 3, and a geometric adjusting handle 33 matched with the geometric connecting hole is detachably connected in the geometric connecting hole 32.
Six slide rails 13 which are scattered from the through hole 11 to the edge are arranged on the bottom surface of the sleeve 1, each slide rail 13 is connected with an I-shaped slide block 4 which is driven to move by the Archimedes spiral guide rail 21 in a sliding mode, an I-shaped outlet 14 which corresponds to the I-shaped slide block 4 in a one-to-one mode is arranged at the lower end of the side wall of the sleeve 1, a clamping block 41 is arranged at one end, close to the through hole 11, of each I-shaped slide block 4, a clamping opening 42 is arranged at one side, close to the through hole 11, of each clamping block 41, and a plurality of slide grooves 43 which are matched with the Archimedes spiral guide rails 21 are arranged at one side, close to the bevel gear driving turntable.
The upper end of the sleeve 1 is connected with a sleeve cover 5 through six connecting bolts 51, the upper end of the sleeve cover 5 is upwards provided with an inner shaft 6, one side of the inner shaft 6 is inwards cut to form a mounting groove 61, a pawl 7 is rotatably connected in the mounting groove 61, the upper end and the lower end of the pawl 7 are rotatably connected with the inner wall of the mounting groove 61, the outer side of the inner shaft 6 is rotatably connected with a ratchet sleeve 9, the outer wall of the ratchet sleeve 9 is connected with a handle 10 towards one side, the inner wall of the ratchet sleeve 9 is provided with an inner gear 91, the left end and the right end of the pawl 7 are provided with limit gears 71 meshed with the inner gear 91, the upper end of the inner shaft 6 is provided with a rotating part 8 for driving the pawl 7 to rotate left and right, the limit gears 71 are not contacted with the inner gear.
The inner shaft 6 is provided with a rotating hole 62 communicated with the mounting groove 61 downwards, the rotating part 8 comprises an adjusting rotating shaft 81 rotationally connected with the rotating hole 62 and a knob 82 connected with the adjusting rotating shaft 81 at the upper end of the inner shaft 6, one side of the adjusting rotating shaft 81 close to the pawl 7 is provided with a spring groove 83, a top shaft 85 is arranged in the spring groove 83, a spring 86 is arranged between the bottom of the spring groove 83 and the top shaft 85, the middle part of one side of the pawl 7 close to the top shaft 85 is provided with an arc-shaped groove 72 contacted with the top shaft 85, because pawl 7 when rotating about, the required length that contacts with apical axis 85 in each position is different in the arc wall 72, and spring 86 plays the effect of self-adaptation fine setting apical axis 85 length here, can drive pawl 7 when satisfying apical axis 85 and rotate about, and apical axis 85 is close to the one end of arc wall 72 and is most advanced, and apical axis 85 rotates about can ordering pawl 7 and rotates about.
The use method comprises the following steps: when the tool is used, the geometric adjusting handle 33 is inserted into the geometric connecting hole 32 according to the size of the bolt and the nut, the driving bevel gear 3 rotates to drive the bevel gear to drive the turntable 2 to rotate, the Archimedes spiral guide rail 21 drives the I-shaped sliding block 4 to move back and forth relative to the through hole 11, the size of an opening formed by the clamping block 41 is changed, finally, the bolt and the nut are inserted into the sleeve 1, when the knob 82 is rotated clockwise, the top shaft 85 deflects to the left, the top shaft 85 deflects the left side of the pawl 7 outwards, the limiting gear 71 on the left side of the pawl 7 is meshed with the inner gear 91 of the ratchet sleeve 9, the right side of the pawl 7 is contacted with the inner shaft 6, the handle 10 can realize clockwise free rotation and anticlockwise locking, when in meshing, because the pawl 7 rotates anticlockwise to the limit, the ratchet sleeve 9 is meshed with and locked with the pawl 7 when rotating anticlockwise, the handle 10 drives the, when the ratchet sleeve 9 rotates clockwise, the pawl 7 is driven to rotate clockwise and reversely, reset and release the engagement with the ratchet sleeve 9, at the moment, the handle 10 cannot drive the wrench to rotate integrally clockwise, and only the handle 10 rotates clockwise, similarly, when the knob 82 rotates anticlockwise, the handle 10 can drive the wrench to rotate integrally clockwise, and when the handle 10 rotates anticlockwise, only the handle 10 rotates anticlockwise; when the handle 10 is reset and rotated, only the handle 10 rotates without screwing the bolt and the nut, and the bolt and the nut can be easily assembled and disassembled by repeated operation, so that the operation space is saved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a two-way ratchet is all-round handle, includes cavity and lower extreme confined sleeve (1), its characterized in that: a through hole (11) is formed in the center of the bottom of the sleeve (1), a hollow rotating shaft (12) communicated with the through hole (11) is arranged in the sleeve (1), a bevel gear driving turntable (2) rotationally connected with the hollow rotating shaft (12) is arranged in the sleeve (1), the gear surface of the bevel gear driving turntable (2) faces upwards, an Archimedes spiral guide rail (21) is arranged on one side, close to the bottom surface of the sleeve (1), of the bevel gear driving turntable (2), a driving bevel gear (3) meshed with the bevel gear driving turntable is arranged at the upper end of the bevel gear driving turntable (2), one end of the driving bevel gear (3) is rotationally connected with the side wall of the sleeve (1), and the side wall, penetrating out of the sleeve (1), of the driving bevel gear (3) is connected with a driver (31) for driving the driving bevel gear to rotate;
a plurality of sliding rails (13) which are scattered from the through hole (11) to the edge are arranged on the bottom surface of the sleeve (1), each sliding rail (13) is connected with an I-shaped sliding block (4) which is driven by the Archimedes spiral guide rail (21) to move in a sliding mode, one end, close to the through hole (11), of the I-shaped sliding block (4) is arranged outside the sleeve (1), a clamping block (41) is arranged at one end of the I-shaped sliding block (4), close to the bevel gear driving turntable (2), and a sliding groove (43) matched with the Archimedes spiral guide rail (21) is formed in one side, close to the bevel gear driving turntable (2), of the I-shaped sliding block (;
the upper end of the sleeve (1) is connected with a sleeve cover (5), the upper end of the sleeve cover (5) is upwards provided with an inner shaft (6), one side of the inner shaft (6) is inwards cut to form an installation groove (61), a pawl (7) is rotatably connected in the installation groove (61), the upper end and the lower end of the pawl (7) are rotatably connected with the inner wall of the installation groove (61), the outer side of the inner shaft (6) is rotatably connected with a ratchet sleeve (9), the outer wall of the ratchet sleeve (9) is connected with a handle (10) towards one side, the inner wall of the ratchet sleeve (9) is provided with an inner gear (91), the left end and the right end of the pawl (7) are provided with limit gears (71) meshed with the inner gear (91), the upper end of the inner shaft (6) is provided with a rotating component (8) for driving the pawl (7) to rotate left and right, and the limit gears (71) are, the pawl (7) is rotated left and right to enable the limit gear (71) to be in contact with the inner gear (91).
2. The universal bidirectional ratchet handle as set forth in claim 1, wherein: the driver (31) is a rotating shaft which penetrates through the outer wall of the sleeve (1), is connected with the outer wall of the sleeve in a rotating mode and is fixedly connected with the driving bevel gear (3), a geometric connecting hole (32) is formed in the driver (31) in the direction towards the driving bevel gear (3), and a geometric adjusting handle (33) matched with the geometric connecting hole is detachably connected into the geometric connecting hole (32).
3. The universal bidirectional ratchet handle as set forth in claim 1, wherein: the inner shaft (6) is downwards provided with a rotating hole (62) communicated with the mounting groove (61), the rotating part (8) comprises an adjusting rotating shaft (81) rotatably connected with the rotating hole (62) and a knob (82) connected with the adjusting rotating shaft (81) at the upper end of the inner shaft (6), one side, close to the pawl (7), of the adjusting rotating shaft (81) is provided with a spring groove (83), a top shaft (85) is mounted in the spring groove (83), a spring (86) is arranged between the bottom of the spring groove (83) and the top shaft (85), the middle part, close to one side of the top shaft (85), of the pawl (7) is provided with an arc-shaped groove (72) contacted with the top shaft (85), and the top shaft (85) rotates left and right to drive the pawl (7) to rotate left and right.
4. The universal bidirectional ratchet handle as set forth in claim 3, wherein: one end of the top shaft (85) close to the arc-shaped groove (72) is a tip.
5. The universal bidirectional ratchet handle as set forth in claim 1, wherein: one side of each clamping block (41) close to the through hole (11) is provided with a clamping opening (42).
6. The universal bidirectional ratchet handle as set forth in claim 1, wherein: the lower end of the side wall of the sleeve (1) is provided with I-shaped outlets (14) which correspond to the I-shaped sliding blocks (4) one to one.
7. The universal bidirectional ratchet handle as set forth in claim 1, wherein: the sleeve cover (5) is connected with the upper end of the sleeve (1) through a connecting bolt (51).
CN202021329226.3U 2020-07-08 2020-07-08 Bidirectional ratchet wheel all-round handle Expired - Fee Related CN213136553U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021329226.3U CN213136553U (en) 2020-07-08 2020-07-08 Bidirectional ratchet wheel all-round handle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021329226.3U CN213136553U (en) 2020-07-08 2020-07-08 Bidirectional ratchet wheel all-round handle

Publications (1)

Publication Number Publication Date
CN213136553U true CN213136553U (en) 2021-05-07

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ID=75730683

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021329226.3U Expired - Fee Related CN213136553U (en) 2020-07-08 2020-07-08 Bidirectional ratchet wheel all-round handle

Country Status (1)

Country Link
CN (1) CN213136553U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114142392A (en) * 2021-11-30 2022-03-04 海南电网有限责任公司五指山供电局 Electric line patrols traditional thread binding putting with drive dog function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114142392A (en) * 2021-11-30 2022-03-04 海南电网有限责任公司五指山供电局 Electric line patrols traditional thread binding putting with drive dog function
CN114142392B (en) * 2021-11-30 2024-04-26 海南电网有限责任公司五指山供电局 Electric line inspection device with dog expelling function

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Granted publication date: 20210507