CN107363770B - A kind of variable survivor of a murder attempt of force direction pulls - Google Patents
A kind of variable survivor of a murder attempt of force direction pulls Download PDFInfo
- Publication number
- CN107363770B CN107363770B CN201710569959.0A CN201710569959A CN107363770B CN 107363770 B CN107363770 B CN 107363770B CN 201710569959 A CN201710569959 A CN 201710569959A CN 107363770 B CN107363770 B CN 107363770B
- Authority
- CN
- China
- Prior art keywords
- claw
- driving mechanism
- screw thread
- spur gear
- survivor
- 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
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 59
- 230000002441 reversible effect Effects 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/105—Spanners; Wrenches with adjustable jaws composed of a plurality of slidable pins
-
- 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
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The survivor of a murder attempt that can be changed the present invention relates to a kind of force direction pulls.Technical solution is as follows：Including main body, reversible force application means, auxiliary clamp tool and auxiliary tool of unloading, the main body includes chuck, three claws, claw driving mechanism, three bevel pinions, three small Spur gears and rear cover, the chuck is set there are three card slot, and the claw is mounted in the card slot；The back side of the claw is equipped with arc-shaped flat thread, the claw driving mechanism is hollow disc shape shape, claw driving mechanism front is equipped with annular plane screw thread, the claw driving mechanism back side is circular ring shape bevel gear, claw driving mechanism inner edge is spur gear wheel, the arc-shaped flat thread of the claw is matched with the annular plane screw thread of the claw driving mechanism, the bevel pinion is engaged with the circular ring shape bevel gear, and the small Spur gear is engaged with the spur gear wheel；The rear cover is fixedly installed togather with the chuck.
Description
Technical field
The invention belongs to manual hardware tool fields, and in particular to a kind of variable survivor of a murder attempt of force direction pulls.
Background technique
Manual wrench as life in it is a kind of commonly using tool, be usually used to and tighten and unclamp nut or bolt.
Manual wrench is divided into general utility wrench and special spanner by function.General spanner generally can according to required adjustment openings of sizes,
Special spanner is only used for the nut of standard.General utility wrench is also referred to as adjustable wrench, it can adjusts the opening size of spanner.It is existing
Research of the spanner in terms of adjusting wrench opening size a hundred flowers blossom, but sometimes, have centainly to force direction
Requirement.Such as during repairing, it is common to use manually or electrically spanner generate many inconvenience sometimes because some narrow
Insufficient space pulled with allowing spanner to carry out left and right, be just particularly important so variable to the force direction of spanner.
Summary of the invention
The present invention provides a kind of variable survivor of a murder attempt of force direction and pulls, and can be realized the adjusting of wrench opening size, and exert a force
Direction is as needed to be changed, and structure is simple, easy to operate, self-centering and clamping, and is highly suitable for narrow ring
Border.
Technical scheme is as follows：
A kind of variable survivor of a murder attempt of force direction pulls, including main body, reversible force application means, auxiliary clamp tool and auxiliary are unloaded
Load tool, the main body include chuck, three claws, claw driving mechanism, three bevel pinions, three small Spur gears and after
Lid, the chuck are set there are three card slot, and the claw is mounted in the card slot；The back side of the claw is equipped with arc-shaped plane
Screw thread, the claw driving mechanism are hollow disc shape shape, and claw driving mechanism front is equipped with annular plane screw thread, institute
Stating the claw driving mechanism back side is circular ring shape bevel gear, and claw driving mechanism inner edge is spur gear wheel, the claw
Arc-shaped flat thread is matched with the annular plane screw thread of the claw driving mechanism, the bevel pinion and the annulus
The engagement of shape bevel gear, the small Spur gear are engaged with the spur gear wheel；The rear cover and the chuck are fixedly mounted on one
It rises；The auxiliary clamp tool connects the bevel pinion or small Spur gear with auxiliary tool of unloading and passes through the claw driving machine
Structure drives three claws close to center or exits, and the reversible force application means are for rotating the main body.
The variable survivor of a murder attempt of the force direction pulls, wherein three claws are mutually 120 degree.
The variable survivor of a murder attempt of the force direction pulls, wherein the bevel pinion is equipped with central axis one, the central axis one
End be equipped with screw thread, the screw threads of three bevel pinions is 2 left-handed and 1 dextrorotation；The small Spur gear is equipped with center
Axis two, the end of the central axis two are equipped with screw thread, and the screw thread of three small Spur gears is 2 left-handed and 1 dextrorotation；It is described
The side wall of chuck is set there are three circular hole, and the central axis one is mounted in the circular hole；Through-hole there are three setting, institute are covered after described
State the installation of central axis two in the through hole；The front end of the auxiliary clamp tool is equipped with dextrorotation internal screw thread, for being with screw thread
The bevel pinion or small Spur gear of dextrorotation are used cooperatively；The front end of the auxiliary tool of unloading is equipped with levogyrate inner thread, uses
In with screw thread be the left-handed bevel pinion or small Spur gear be used cooperatively.
The variable survivor of a murder attempt of the force direction pulls, wherein the center of the rear cover is equipped with hexagonal hole；It is described reversible
Force application means include mobile jib, Oldham's coupling and spanner, and the mobile jib and spanner are linked together by the Oldham's coupling；
The front end of the spanner is hexagonal prisms, and the hexagonal prisms size and the hexagonal hole cooperate.
The variable survivor of a murder attempt of the force direction pulls, and further includes extension bar, the reversible force application means, auxiliary clamp work
The tail end of tool and auxiliary tool of unloading is equipped with rod aperture, and the extension bar can be respectively put into the rod aperture.
The variable survivor of a murder attempt of the force direction pulls, wherein the front end of the claw is equipped with detent, two of the detent
Interior angle is respectively 150 degree.
Beneficial effects of the present invention are：The present invention can be realized the adjusting of wrench opening size, and force direction is according to need
That wants is changed, and structure is simple, easy to operate, self-centering and clamping, and is highly suitable for narrow environment.
Detailed description of the invention
Fig. 1 is that the survivor of a murder attempt that force direction can be changed pulls the general structure schematic diagram under the first operating condition；
Fig. 2 is that the survivor of a murder attempt that force direction can be changed pulls the general structure schematic diagram under second of operating condition；
Perspective view based on Fig. 3；
Fig. 4 is the body interior structure chart for removing chuck；
Bottom view based on Fig. 5；
Fig. 6 is the body interior structure chart for removing rear cover；
The reversible force application means of Fig. 7 and extension bar combination schematic diagram.
Specific embodiment
As shown in figs. 1-7, a kind of variable survivor of a murder attempt of force direction pulls, including main body 1, reversible force application means 2, additional lock
Clamping tool 3, auxiliary tool of unloading and extension bar 18, the main body 1 include 6, three claws 7 of chuck, claw driving mechanism 8, three
5, three small Spur gears 10 of a bevel pinion and rear cover 9, the chuck 6 are set there are three card slot, and the claw 7 is mounted on the card
In slot, three claws 7 are mutually 120 degree, and the front end of the claw 7 is equipped with detent, and two interior angles of the detent are respectively
150 degree；The back side of the claw 7 is equipped with arc-shaped flat thread, and the claw driving mechanism 8 is hollow disc shape shape, described
8 front of claw driving mechanism is equipped with annular plane screw thread, and 8 back side of claw driving mechanism is circular ring shape bevel gear 14, institute
Stating 8 inner edge of claw driving mechanism is spur gear wheel 15, the arc-shaped flat thread of the claw 7 and the claw driving mechanism
8 annular plane screw thread matches, and the bevel pinion 5 is engaged with the circular ring shape bevel gear 14, the small Spur gear 10
It is engaged with the spur gear wheel 15；The rear cover 9 is fixedly installed togather with the chuck 6；During the bevel pinion 5 is equipped with
Mandrel one, the end of the central axis one are equipped with screw thread, and the screw thread of three bevel pinions 5 is 2 left-handed and 1 dextrorotation；
The small Spur gear 10 is equipped with central axis two, and the end of the central axis two is equipped with screw thread, the spiral shell of three small Spur gears 10
Line is 2 left-handed and 1 dextrorotation；The side wall of the chuck 6 is set there are three circular hole, and the central axis one is mounted on the circular hole
In；It is set on the rear cover 9 there are three through-hole, the central axis two is installed in the through hole；Before the auxiliary clamp tool 3
End is equipped with dextrorotation internal screw thread, for being used cooperatively with screw thread for the bevel pinion 5 or small Spur gear 10 of dextrorotation；The auxiliary
The front end of tool of unloading is equipped with levogyrate inner thread, for being that the left-handed bevel pinion 5 or small Spur gear 10 cooperate with screw thread
It uses；The auxiliary clamp tool 3 connects the bevel pinion 5 or small Spur gear 10 with auxiliary tool of unloading and passes through the claw
Driving mechanism 8 drives three claws 7, and the heart is close thereto or exits simultaneously, to clamp various sizes of bolt or spiral shell
It is female；The center of the rear cover 9 is equipped with hexagonal hole 12；The reversible force application means 2 include mobile jib, Oldham's coupling 17 and pull
Head, the mobile jib and spanner are linked together by the Oldham's coupling 17；The front end of the spanner is hexagonal prisms 16, described
16 size of hexagonal prisms and the hexagonal hole 12 cooperate, and the reversible force application means 2 are for rotating the main body 1；It is described can
The tail end of deflecting force application means 2, auxiliary clamp tool 3 and auxiliary tool of unloading is equipped with rod aperture, and the extension bar 18 can divide
It is not put into the rod aperture, increases torque when rotation.
The left-handed bevel pinion 5 of two screw threads was to can control the conelet of right-handed thread before work for the reason of unloading
Gear 5 is towards convenient for the direction that connect with auxiliary clamp tool 3；And after the clamping of claw 7, main body 1 is not able to rotate, so two
The bevel pinion 5 of left hand thread is easier to select to use in narrow space.
Because of the planar structure that the detent of claw 7 is 150 degree using two interior angles, 120 degree of three claws 7 are mutually to spiral shell
Bolt or nut can be realized accurate clamping, and applied widely.
Embodiment 1
Such as Fig. 1 and Fig. 4, the present embodiment is suitable for the first operating condition, parallel with required clamping or the nut axis loosened
Narrow space, can only accommodate the height more slightly higher than main body 1, and auxiliary clamp tool 3 and auxiliary tool of unloading are only positioned at perpendicular
Direction, reversible force application means 2 are also required to turn over very wide-angle.
In implementation process, main body 1 is attached with auxiliary tool of unloading by screw thread first, adjustment openings of sizes is extremely
Slightly larger than the bolt or nut size wait tighten or loosen；Main body 1 and auxiliary clamp tool 3 are attached by screw thread again,
Auxiliary clamp tool 3 or auxiliary tool of unloading also function as the effect of handle, convenient for guaranteeing 1 institute of main body at a distance in operation
Need posture；By 1 set of main body on bolt or nut, continue to rotate using auxiliary clamp tool 3, bevel pinion 5 is driven to rotate, it is small
Bevel gear 5 engages with the circular ring shape bevel gear of claw driving mechanism 8, drives claw driving mechanism 8 to rotate, claw driving mechanism 8
Driving three claws 7 simultaneously, the heart is close thereto, thus fishbolt or nut；Retainer body 1 and auxiliary clamp tool 3 are not
It is dynamic, the hexagonal prisms 16 of reversible force application means 2 are cooperated with hexagonal hole 12, Oldham's coupling 17 is adjusted by space size
Angle drives main body 1 and bolt or nut to rotate, realizes and tighten or unload needed for nut or bolt by extension bar 18.
Then, guarantee that main body 1 and reversible force application means 2 are motionless, auxiliary clamp tool 3 is unloaded, by auxiliary tool of unloading and two
Any one of left-handed bevel pinion 5 is threadedly coupled, and is then tuned up the opening of main body 1, is removed reversible 2 He of force application means
Main body 1 and auxiliary tool of unloading, are replaced.
Embodiment 2
Such as Fig. 2 and Fig. 4, the present embodiment is suitable for second of operating condition, parallel with required clamping or the nut axis loosened
Space is larger, but perpendicular narrow space, and auxiliary clamp tool 3 and auxiliary tool of unloading are only positioned at direction in parallel, can
Deflecting force application means 2 do not need to turn over very wide-angle.
The difference from embodiment 1 is that driving claw driving mechanism 8 using small Spur gear 10.
Claims (6)
1. a kind of variable survivor of a murder attempt of force direction pulls, which is characterized in that including main body, reversible force application means, auxiliary clamp work
Tool and auxiliary tool of unloading, the main body includes chuck, three claws, claw driving mechanism, three bevel pinions, three small straight
Gear and rear cover, the chuck are set there are three card slot, and the claw is mounted in the card slot；The back side of the claw is equipped with circle
Arc-plane screw thread, the claw driving mechanism are hollow disc shape shape, and claw driving mechanism front is flat equipped with circular ring shape
Face screw thread, the claw driving mechanism back side are circular ring shape bevel gear, and claw driving mechanism inner edge is spur gear wheel, institute
The arc-shaped flat thread for stating claw is matched with the annular plane screw thread of the claw driving mechanism, the bevel pinion with
The circular ring shape bevel gear engagement, the small Spur gear are engaged with the spur gear wheel；The rear cover is fixed with the chuck
It is installed together；The auxiliary clamp tool connects the bevel pinion or small Spur gear with auxiliary tool of unloading and passes through the card
Pawl driving mechanism drives three claws close to center or exits, and the reversible force application means are for rotating the master
Body.
2. the variable survivor of a murder attempt of force direction according to claim 1 pulls, which is characterized in that three claws are mutually 120
Degree.
3. the variable survivor of a murder attempt of force direction according to claim 1 pulls, which is characterized in that the bevel pinion is equipped with center
Axis one, the end of the central axis one are equipped with screw thread, and the screw thread of three bevel pinions is 2 left-handed and 1 dextrorotation；It is described
Small Spur gear is equipped with central axis two, and the end of the central axis two is equipped with screw thread, and the screw thread of three small Spur gears is 2 left sides
Rotation and 1 dextrorotation；The side wall of the chuck is set there are three circular hole, and the central axis one is mounted in the circular hole；The rear cover
On set there are three through-hole, the installation of central axis two is in the through hole；The front end of the auxiliary clamp tool is equipped in dextrorotation
Screw thread, for being used cooperatively with screw thread for the bevel pinion or small Spur gear of dextrorotation；The front end of the auxiliary tool of unloading
Equipped with levogyrate inner thread, for being that the left-handed bevel pinion or small Spur gear are used cooperatively with screw thread.
4. the variable survivor of a murder attempt of force direction according to claim 1 pulls, which is characterized in that the center of the rear cover is equipped with six
Side shape hole；The reversible force application means include mobile jib, Oldham's coupling and spanner, and the mobile jib and spanner pass through the cross
Shaft coupling links together；The front end of the spanner is hexagonal prisms, and the hexagonal prisms and the hexagonal hole cooperate.
5. the variable survivor of a murder attempt of force direction according to claim 1 pulls, which is characterized in that further include extension bar, it is described can
The tail end of deflecting force application means, auxiliary clamp tool and auxiliary tool of unloading is equipped with rod aperture, and the extension bar can be put respectively
Enter in the rod aperture.
6. the variable survivor of a murder attempt of force direction according to claim 1 pulls, which is characterized in that the front end of the claw is equipped with card
Position, two interior angles of the detent are respectively 150 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710569959.0A CN107363770B (en) | 2017-07-13 | 2017-07-13 | A kind of variable survivor of a murder attempt of force direction pulls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710569959.0A CN107363770B (en) | 2017-07-13 | 2017-07-13 | A kind of variable survivor of a murder attempt of force direction pulls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107363770A CN107363770A (en) | 2017-11-21 |
| CN107363770B true CN107363770B (en) | 2018-11-27 |
Family
ID=60307976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710569959.0A Expired - Fee Related CN107363770B (en) | 2017-07-13 | 2017-07-13 | A kind of variable survivor of a murder attempt of force direction pulls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107363770B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206825A (en) * | 2019-06-14 | 2019-09-06 | 上海理工大学 | A kind of stepless variable radius shaft coupling |
| CN112240163A (en) * | 2019-12-18 | 2021-01-19 | 戴桂珍 | Digging drill deviation correcting control method for building construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357844A (en) * | 1980-08-18 | 1982-11-09 | Harold Welbon | Unidirectional drive hand operated wrench |
| CN2696772Y (en) * | 2004-04-13 | 2005-05-04 | 谢智庆 | Hand tool having improved turning device |
| US7100476B1 (en) * | 2006-02-01 | 2006-09-05 | Feit Steven H | Torque wrench for dental implants |
| CN101653836A (en) * | 2009-07-17 | 2010-02-24 | 中国航天科技集团公司长征机械厂 | Cam type centering clamping chuck |
| CN202094540U (en) * | 2011-06-15 | 2011-12-28 | 辽宁省电力有限公司营口供电公司 | Hardware fitting with electrical installation combination tool |
-
2017
- 2017-07-13 CN CN201710569959.0A patent/CN107363770B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357844A (en) * | 1980-08-18 | 1982-11-09 | Harold Welbon | Unidirectional drive hand operated wrench |
| CN2696772Y (en) * | 2004-04-13 | 2005-05-04 | 谢智庆 | Hand tool having improved turning device |
| US7100476B1 (en) * | 2006-02-01 | 2006-09-05 | Feit Steven H | Torque wrench for dental implants |
| CN101653836A (en) * | 2009-07-17 | 2010-02-24 | 中国航天科技集团公司长征机械厂 | Cam type centering clamping chuck |
| CN202094540U (en) * | 2011-06-15 | 2011-12-28 | 辽宁省电力有限公司营口供电公司 | Hardware fitting with electrical installation combination tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107363770A (en) | 2017-11-21 |
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Granted publication date: 20181127 |