CN208375150U - Torque spanner with force-increasing mechanism - Google Patents
Torque spanner with force-increasing mechanism Download PDFInfo
- Publication number
- CN208375150U CN208375150U CN201820866463.XU CN201820866463U CN208375150U CN 208375150 U CN208375150 U CN 208375150U CN 201820866463 U CN201820866463 U CN 201820866463U CN 208375150 U CN208375150 U CN 208375150U
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- CN
- China
- Prior art keywords
- shell
- outer cover
- planet carrier
- force
- ratchet
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Abstract
Torque spanner with force-increasing mechanism is related to a kind of spanner.Including arm of force square tube and it is detachably connected to the torque amplification wrench of arm of force square tube end, the torque amplification wrench includes shell, the left end that shell described in two-stage planetary reduction device is provided in shell is provided with the outputting torsion head being sequentially connected with first planet carrier, the right end of the shell is connected with torsion head, the torsion head includes outer cover, the ratchet with the transmission connection of the input terminal of two-stage planetary reduction device is rotatably equipped in outer cover, the two sides of ratchet are symmetrically arranged with horizontally disposed, the pawl on ground with ratchet engagement can be detached from, spring is respectively arranged between the outer end and outer cover of pawl, the axis of orientation for being rotatably installed in and covering outside is provided between two pawls.The utility model utilizes planetary reduction gear principle, and by double reduction, output end can produce 12.5 times of torque, reach reinforcement purpose, and also have the advantages that small in size, structure is simple.
Description
Technical field
The utility model relates to a kind of spanner, specially a kind of torque spanner with force-increasing mechanism.
Background technique
As the improvement of people's living standards, kart is no longer luxury goods, but more and more enter general
Long and deep friendship between two families front yard.The driver of automobile generally grasps exclusion or the method for maintaining of simple fault, can deposit mostly in the boot of automobile
Some spare maintenance tools are put, the spanner for replacing automobile tire is then one of indispensable tool therein.
Replacing automobile tire is the work caused high effort for, and it is even more wherein more difficult for dismantling the bolt for fixing tire
Part.For kart, the space of boot is limited, is difficult to place the biggish band of torque as full-sized car
The spanner of long tommy bar.
Utility model content
The purpose of the utility model is to provide a kind of torque spanner with force-increasing mechanism, the small, output torque with size
Greatly, advantage easy to carry.
Realizing the technical solution of above-mentioned purpose is: the torque spanner with force-increasing mechanism, it is characterised in that: including arm of force side
The torque amplification wrench of arm of force square tube end is managed and is detachably connected to, the torque amplification wrench includes shell, is provided in shell
It is equipped with and the second planet carrier in the first planet carrier and the second planet carrier, the center rotating of the first planet carrier of left and right arrangement
Center driving connection the first sun gear, the circumferentially rotating of first planet carrier be connected with multiple the engaged with the first sun gear
One planetary gear is provided with the first gear ring engaged with first planetary gear on the side wall of the shell；Second planet carrier
Center rotating the second sun gear connecting with the second planet carrier is installed, the circumferentially rotating of the second planet carrier be connected with it is multiple with
Second planetary gear of the second sun gear engagement, is provided with the second tooth engaged with the second planetary gear on the side wall of the shell
Circle；
The left end of the shell is provided with the outputting torsion head with first planet carrier transmission connection, and the right end of the shell connects
It is connected to torsion head, the torsion head includes outer cover, and the ratchet with the transmission connection of the second sun gear, ratchet are rotatably equipped in outer cover
Two sides be symmetrically arranged with horizontally disposed, can with being detached from ratchet engagement pawl, between the outer end and outer cover of pawl respectively
It is provided with spring, the axis of orientation for being rotatably installed in and covering outside is provided between two pawls, one end of axis of orientation is protruding outer
It covers, there are two the cam with two click-fits, rotation direction axis can drive rotation direction side respectively for setting on axis of orientation
Cam pushing and pressing the cam corresponding to pawl and ratchet engage, drive another cam pawl corresponding with the cam and spine
Wheel separation.
When the utility model is used, according to the direction of stubborn bolt, rotation direction axis makes the cam on corresponding direction push against institute
Corresponding pawl is engaged with ratchet.It is rotated further by arm of force square tube and drives the pawl promotion ratchet wheel engaged with ratchet, ratchet band again
Dynamic second sun gear rotation, the second sun gear drive the second planetary gear rotation, and the second planetary gear drives the second planet carrier to turn
Dynamic to realize that primary speed-down reinforcement, the second planet carrier drive the rotation of the first sun gear, the first sun gear passes through first planetary gear again
It drives first planet carrier rotation to realize double reduction reinforcement, finally outputting torsion head is driven to tighten or looser a bolt.
The utility model utilizes planetary reduction gear principle, and by double reduction, output end can produce 12.5 times of torque, reach
To reinforcement purpose, and also have the advantages that small in size, structure is simple.
Further, the inner end of outer cover is to be open and connect by the first screw with outer cover, and the outer cover is provided with flange
The flange on side, outer cover is connect by the second screw with shell.
Further, the side of the shell is provided with the connector with the cooperation of arm of force square tube, sets on the outer wall of connector
It is equipped with fixation hole, spring and pin are provided in fixation hole, the pin with pin accessory is provided in the side wall of the arm of force square tube
Hole, the connector are sleeved in arm of force square tube and push pin to be locked in pin hole by spring.
When needing replacing different model torque amplification wrench or common ratchet spanner, only need ecto-entad compression pin that can pull out
Connector out, so that it may convenient changing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of torsion head.
Specific embodiment
As shown in Figure 1, the utility model includes arm of force square tube 1, torque amplification wrench 2, the side of torque amplification wrench 2 is provided with and power
The connector 3 that arm square tube 1 cooperates is provided with fixation hole 4 on the outer wall of connector 3, spring 5 and pin is provided in fixation hole 4
6, the pin hole 7 with 6 accessory of pin is provided in the side wall of arm of force square tube 1, pin hole 7 is through-hole, and connector 3 is sleeved on arm of force square tube
Pin 6 is pushed to be locked in pin hole 7 in 1 and by spring 5.
Torque amplification wrench 2 includes shell 2.1, and first planet carrier 2.2 and the second row in left and right arrangement are provided in shell 2.1
Carrier 2.3, the center rotating of first planet carrier 2.2 are equipped with first sun connecting with the center driving of the second planet carrier 2.3
Wheel 2.4, circumferentially rotating for first planet carrier 2.2 is connected with multiple first planetary gears 2.5 engaged with the first sun gear 2.4,
The first gear ring 2.6 engaged with first planetary gear 2.5 is provided on the side wall of shell 2.1；The center of second planet carrier 2.3 turns
Dynamic to be equipped with the first sun gear 2.8 connecting with the second planet carrier 2.3, the circumferentially rotating of the second planet carrier 2.3 is connected with multiple
The second planetary gear 2.9 engaged with the second sun gear 2.8 is provided on the side wall of shell 1 and engages with the second planetary gear 2.9
The second gear ring 2.10.
The left end of shell 2.1 is provided with the outputting torsion head 8 being sequentially connected with first planet carrier 2.2, the right end of shell 2.1
It is connected with torsion head 9, torsion head 9 includes outer cover 9.1, and the inner end of outer cover 9.1 is to be open and be connected with by the first screw 9.3
End cap 9.2, outer cover 9.1 are provided with flange 9.4, and the flange 9.4 of outer cover 9.1 is connect by the second screw with shell 2.1.
The ratchet 9.5 with the transmission connection of the second sun gear 2.8 is rotatably equipped in outer cover 9.1, the two sides of ratchet 9.5 are symmetrical
It is provided with pawl 9.6 that is horizontally disposed, can engaging with ratchet 9.5 with being detached from, is divided between the outer end and outer cover 9.1 of pawl 9.6
It is not provided with spring 9.7, the axis of orientation 9.8 being rotatably installed on outer cover 9.1, axis of orientation 9.8 are provided between two pawls 9.6
The protruding outer cover 9.1 in one end, the cam 9.9 respectively with the cooperation of two pawls 9.6, rotation side are provided on axis of orientation 9.8
To axis 9.8, pawl 9.6 corresponding to the cam 9.9 that the cam 9.9 of rotation direction side can be pushed to push against and ratchet 9.5
Engagement, drives another cam 9.9 pawl 9.6 corresponding with the cam 9.9 to separate with ratchet 9.5.
Working principle of the utility model is:
According to the direction of stubborn bolt, rotation direction axis 9.8 makes the cam 9.9 on corresponding direction push against corresponding pawl
9.6 engage with ratchet 9.5.Being rotated further by arm of force square tube 1 drives the pawl 9.6 engaged with ratchet 9.5 that ratchet 9.5 is pushed to rotate, spine
Wheel 9.5 drives the second sun gear 2.8 to rotate again, and the second sun gear 2.8 drives the rotation of the second planetary gear 2.9, the second planet tooth
Wheel 2.9 drives the rotation of the second planet carrier 2.3 to realize that primary speed-down reinforcement, the second planet carrier 2.3 drive 2.4 turns of the first sun gear
Dynamic, the first sun gear 2.4 drives the rotation of first planet carrier 2.2 to realize double reduction reinforcement by first planetary gear 2.5 again, most
Outputting torsion head 8 is driven to tighten or looser a bolt afterwards.
The torque amplification wrench 2 of the utility model is connect by connector 3 with arm of force square tube 1, and connector 3 is compressed by spring 5
Pin 6 cooperates in the pin hole 7 of arm of force square tube 1.It, only need to be by when needing replacing different model torque amplification wrench or common ratchet spanner
Compression pin can extract connector 3 outside to inside, so that it may convenient changing.
Claims (3)
1. having the torque spanner of force-increasing mechanism, it is characterised in that: including arm of force square tube and be detachably connected to arm of force side
The torque amplification wrench of tube end, the torque amplification wrench include shell, and the first planet carrier and the in left and right arrangement is provided in shell
Two planet carriers, the center rotating of the first planet carrier are equipped with first sun connecting with the center driving of the second planet carrier
Wheel, circumferentially rotating for first planet carrier are connected with multiple first planetary gears engaged with the first sun gear, the side of the shell
The first gear ring engaged with first planetary gear is provided on wall；The center rotating of second planet carrier is equipped with and the second row
Second sun gear of carrier connection, circumferentially rotating for the second planet carrier are connected with multiple the second planets engaged with the second sun gear
Gear is provided with the second gear ring engaged with the second planetary gear on the side wall of the shell；
The left end of the shell is provided with the outputting torsion head with first planet carrier transmission connection, and the right end of the shell is connected with
Torsion head, the torsion head include outer cover, be rotatably equipped in outer cover with the second sun gear transmission connection ratchet, the two of ratchet
Side is symmetrically arranged with horizontally disposed, can with being detached from ratchet engagement pawl, is respectively set between the outer end and outer cover of pawl
There is spring, the axis of orientation for being rotatably installed in and covering outside, the protruding outer cover in one end of axis of orientation, side are provided between two pawls
There are two the cam with two click-fits, rotation direction axis can drive the convex of rotation direction side respectively for setting on axis
It takes turns pawl corresponding to the cam of pushing and pressing and ratchet engagement, drive another cam pawl corresponding with the cam and ratchet point
From.
2. the torque spanner according to claim 1 with force-increasing mechanism, it is characterised in that: the inner end of outer cover be opening,
And end cap is connected with by the first screw, the outer cover is provided with flange, and the flange of outer cover passes through the second screw and shell
Connection.
3. the torque spanner according to claim 1 with force-increasing mechanism, it is characterised in that: the side of the shell is arranged
There is the connector with the cooperation of arm of force square tube, be provided with fixation hole on the outer wall of connector, be provided with spring and pin in fixation hole,
The pin hole with pin accessory is provided in the side wall of the arm of force square tube, the connector is sleeved in arm of force square tube and passes through
Spring pushes pin to be locked in pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820866463.XU CN208375150U (en) | 2018-06-06 | 2018-06-06 | Torque spanner with force-increasing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820866463.XU CN208375150U (en) | 2018-06-06 | 2018-06-06 | Torque spanner with force-increasing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208375150U true CN208375150U (en) | 2019-01-15 |
Family
ID=64969270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820866463.XU Active CN208375150U (en) | 2018-06-06 | 2018-06-06 | Torque spanner with force-increasing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208375150U (en) |
-
2018
- 2018-06-06 CN CN201820866463.XU patent/CN208375150U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |