CN203045590U - Novel scaffolding labor-saving wrench - Google Patents
Novel scaffolding labor-saving wrench Download PDFInfo
- Publication number
- CN203045590U CN203045590U CN 201320005816 CN201320005816U CN203045590U CN 203045590 U CN203045590 U CN 203045590U CN 201320005816 CN201320005816 CN 201320005816 CN 201320005816 U CN201320005816 U CN 201320005816U CN 203045590 U CN203045590 U CN 203045590U
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- CN
- China
- Prior art keywords
- ratchet
- handle
- pinion
- wrench body
- center
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- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a novel scaffold labor-saving wrench which is composed of a ratchet handle structure and a gear drive labor-saving structure of a movable shaft gear train, wherein the ratchet handle structure is composed of a pawl, a ratchet, a handle, a spring and separation blades, the ratchet is installed on the head portion of the handle and axially located by the two separation blades, the pawl and the spring are installed in a locating hole formed in the head portion of the handle, an anti-receding groove of the ratchet is clamped by the head portion of the pawl, and the ratchet and the handle are enabled to only rotate along a single direction and make intermittent movement; and the movable shaft gear train gear drive labor-saving structure is composed of fan-shaped gear racks, a wrench body and pinions, the two fan-shaped gear racks are fixed at the back of a clamping jaw body and on the two sides of the center of a lead screw through screws and locating pins, the centers of the fan-shaped gear racks coincide with the center of the lead screw on the lower portion of the clamping jaw body, an inner square hole of the wrench body is matched with an outer square head of the lead screw, a rotary shaft of the pinions is in clearance fit with a centering hole of the wench body, and the pinions are coaxially located by set screws installed on the wrench body.
Description
Technical field
The present invention relates to a kind of novel labour-saving spanner instrument, particularly a kind of, the labour-saving spanner in the scaffold clasp process is installed.
Background technology
At present, in the scaffold process was installed, the workman generally used the connector between the common wrench fastening rod member, clamp rod member owing to lack special labour-saving spanner, cause the workman using common wrench to install in the centering workpiece process, labour intensity is big, efficient is low, has serious potential safety hazard.
Summary of the invention
In order to overcome the above-mentioned defective that exists in the prior art, the utility model provides a kind of novel special-purpose labour-saving spanner, uses this spanner locking scaffold clasp, can significantly reduce working strength of workers, and laborsaving convenience has improved operating efficiency.
Technical scheme of the present invention is:
A kind of new type scaffold labour-saving spanner is characterized in that, is made up of ratchet handle structure and dynamic gear train gear drive effort-saving mechanism two large divisions structure; Wherein the ratchet handle structure is made up of ratchet, ratchet, handle, spring, catch, ratchet is contained in the head of handle and by two catch axial location, ratchet, spring are contained in the locating hole of handle head, the head of ratchet blocks the back stop slot of ratchet, make ratchet, handle can only folk prescription to rotation and do intermittent movement; Dynamic gear train gear drive effort-saving mechanism is made up of sector rack, wrench body, pinion, two sector racks are fixed on the rear portion of jaw body, the both sides at leading screw center by screw and shop bolt, the center of sector rack overlaps with the center of jaw body bottom leading screw, the internal square hole of wrench body cooperates with the outer square head of leading screw, be matched in clearance between the rotating shaft of pinion and the internal point of wrench body, be contained in holding screw on the wrench body with the pinion axial location.
The labor-saving structure of novel labour saving spanner is according to gear drive moment of torsion amplification principle, this gear transmission structure is the dynamic gear train gear drive, sector rack is that sun gear maintains static, with the pinion of sector rack engaged transmission be planetary gear, pinion is around the rotation of sector rack center and rotation, two internal point centre-to-centre spacing and sector racks of wrench body, the centre-to-centre spacing of pinion equates, sector rack, it is the moment of torsion amplification ratio of novel labour saving spanner that the gear of pinion transmits than namely, the number of teeth of pinion is and normal shift, modification coefficient is+0.5, the pinion normal shift is in order to improve the counter-bending degree of fatigue of pinion, improve the integrated carrying ability of novel labour saving spanner, novel labour saving spanner total length, under the input action power condition identical with common wrench, the output torque of novel spanner increases 3.3 times than common wrench.
Novel labour saving spanner of the present utility model can be realized interior card, wild card part, two-way chucking part, two-way laborsaving.At first, when using novel labour saving spanner wild card part, the wrench body that installs pinion is enclosed within on the square toes of leading screw end, wrench body, the ratchet handle assembly is biased in the right side at leading screw center, make the sector rack engaged transmission on pinion and right side, leading screw center, the workman descends the handle of rotating ratchet Handleset clockwise, drive the corresponding rotation of pinion-end square toes, pinion turns clockwise around the sector rack center and rotation simultaneously, pinion drives wrench body and turns clockwise around the leading screw center, make the clockwise rotation of leading screw, jaw body moves forward the wild card part.When wrench body forwards the limit inferior position to, a whole set of spanner is withdrawed from from the square toes of leading screw, and place the limes superiors position again, repeat above-mentioned steps, clamp part until claw.
When in using the novel labour saving spanner, blocking part, the wrench body that installs gear is enclosed within the left side at leading screw center, make the sector rack engaged transmission of pinion and leading screw center left, the workman rotates the handle of ratchet handle assembly counterclockwise, drive pinion-end square toes are corresponding to rotate counterclockwise, pinion is rotated counterclockwise around the sector rack center and rotation simultaneously, pinion drives spanner and is rotated counterclockwise around the leading screw center, make the counterclockwise rotation of leading screw, card melon body is mobile interior card part backward.When wrench body turns to subordinate's extreme position, a whole set of spanner is withdrawed from from the square toes of leading screw, and place the limes superiors position again, repeat above-mentioned steps, clamp part until the card melon.
Novel labour saving spanner of the present utility model has solved in the scaffold clasp process is installed, and the workman uses the problem that common wrench labour intensity is big, the time is long, efficiency is low, has reached the chucking fastener, and safety is laborsaving, conveniently purpose.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the vertical view of spanner shown in Figure 1.
Wherein, 1-jaw body; 2-leading screw; 3-sector rack; 4-wrench body; 5-ratchet; 6-spring; 7-handle; 8-pinion; 9-ratchet; 10-catch.
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
The specific embodiment
Embodiment 1
Shown in accompanying drawing 1,2, new type scaffold labour-saving spanner of the present utility model is made up of ratchet handle structure and dynamic gear train gear drive effort-saving mechanism two large divisions structure.
Wherein the ratchet handle structure is made up of ratchet 5, ratchet 9, handle 7, spring 6, catch 10, ratchet 9 is contained in the head of handle 7 and by two catch 10 axial location, ratchet 5, spring 6 are contained in the locating hole of handle head, the head of ratchet 5 blocks the back stop slot of ratchet 9, make ratchet 9, handle 7 can only folk prescription to rotation and do intermittent movement.
Dynamic gear train gear drive effort-saving mechanism is made up of sector rack 3, wrench body 4, pinion 8, two sector racks are fixed on the rear portion of jaw body 1, the both sides at leading screw 2 centers by screw and shop bolt, the center of sector rack 3 overlaps with the center of jaw body 1 bottom leading screw 2, the internal square hole of wrench body cooperates with the outer square head of leading screw, be matched in clearance between the internal point of the rotating shaft of pinion 8 and wrench body 4, be contained in holding screw on the wrench body with the pinion axial location.
The labor-saving structure of novel labour saving spanner is according to gear drive moment of torsion amplification principle, this gear transmission structure is the dynamic gear train gear drive, sector rack is that sun gear maintains static, with the pinion of sector rack engaged transmission be planetary gear, pinion is around the rotation of sector rack center and rotation, two internal point centre-to-centre spacing and sector racks of wrench body, the centre-to-centre spacing of pinion equates, sector rack, it is the moment of torsion amplification ratio of novel labour saving spanner that the gear of pinion transmits than namely, the number of teeth of pinion is and normal shift, modification coefficient is+0.5, the pinion normal shift is in order to improve the counter-bending degree of fatigue of pinion, improve the integrated carrying ability of novel labour saving spanner, novel labour saving spanner total length, under the input action power condition identical with common wrench, the output torque of novel spanner increases 3.3 times than common wrench.
Novel labour saving spanner of the present utility model can be realized interior card, wild card part, two-way chucking part, two-way laborsaving.At first, when using novel labour saving spanner wild card part, the wrench body that installs pinion is enclosed within on the square toes of leading screw end, wrench body, the ratchet handle assembly is biased in the right side at leading screw center, make the sector rack engaged transmission on pinion and right side, leading screw center, the workman descends the handle of rotating ratchet Handleset clockwise, drive the corresponding rotation of pinion-end square toes, pinion turns clockwise around the sector rack center and rotation simultaneously, pinion drives wrench body and turns clockwise around the leading screw center, make the clockwise rotation of leading screw, jaw body moves forward the wild card part.When wrench body forwards the limit inferior position to, a whole set of spanner is withdrawed from from the square toes of leading screw, and place the limes superiors position again, repeat above-mentioned steps, clamp part until claw.
When in using the novel labour saving spanner, blocking part, the wrench body that installs gear is enclosed within the left side at leading screw center, make the sector rack engaged transmission of pinion and leading screw center left, the workman rotates the handle of ratchet handle assembly counterclockwise, drive pinion-end square toes are corresponding to rotate counterclockwise, pinion is rotated counterclockwise around the sector rack center and rotation simultaneously, pinion drives spanner and is rotated counterclockwise around the leading screw center, make the counterclockwise rotation of leading screw, card melon body is mobile interior card part backward.When wrench body turns to subordinate's extreme position, a whole set of spanner is withdrawed from from the square toes of leading screw, and place the limes superiors position again, repeat above-mentioned steps, clamp part until the card melon.
Novel labour saving spanner of the present utility model has solved in the scaffold clasp process is installed, and the workman uses the problem that common wrench labour intensity is big, the time is long, efficiency is low, has reached the chucking fastener, and safety is laborsaving, conveniently purpose.
Claims (1)
1. a new type scaffold labour-saving spanner is characterized in that, is made up of ratchet handle structure and dynamic gear train gear drive effort-saving mechanism two large divisions structure; Wherein the ratchet handle structure is made up of ratchet, ratchet, handle, spring, catch, ratchet is contained in the head of handle and by two catch axial location, ratchet, spring are contained in the locating hole of handle head, the head of ratchet blocks the back stop slot of ratchet, make ratchet, handle can only folk prescription to rotation and do intermittent movement; Dynamic gear train gear drive effort-saving mechanism is made up of sector rack, wrench body, pinion, two sector racks are fixed on the rear portion of jaw body, the both sides at leading screw center by screw and shop bolt, the center of sector rack overlaps with the center of jaw body bottom leading screw, the internal square hole of wrench body cooperates with the outer square head of leading screw, be matched in clearance between the rotating shaft of pinion and the internal point of wrench body, be contained in holding screw on the wrench body with the pinion axial location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320005816 CN203045590U (en) | 2013-01-06 | 2013-01-06 | Novel scaffolding labor-saving wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320005816 CN203045590U (en) | 2013-01-06 | 2013-01-06 | Novel scaffolding labor-saving wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203045590U true CN203045590U (en) | 2013-07-10 |
Family
ID=48728586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320005816 Expired - Fee Related CN203045590U (en) | 2013-01-06 | 2013-01-06 | Novel scaffolding labor-saving wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203045590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459018A (en) * | 2021-09-02 | 2021-10-01 | 凯钲五金制品(南通)有限公司 | Ratchet wrench convenient to installation and screw of dismantling |
| CN114589658A (en) * | 2022-04-01 | 2022-06-07 | 山东建筑大学 | Building element demolishs device |
-
2013
- 2013-01-06 CN CN 201320005816 patent/CN203045590U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459018A (en) * | 2021-09-02 | 2021-10-01 | 凯钲五金制品(南通)有限公司 | Ratchet wrench convenient to installation and screw of dismantling |
| CN114589658A (en) * | 2022-04-01 | 2022-06-07 | 山东建筑大学 | Building element demolishs device |
| CN114589658B (en) * | 2022-04-01 | 2023-04-25 | 山东建筑大学 | Building element demolishs device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20190106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |