TWM545670U - Force saving type force magnifying screwdriver - Google Patents

Description

Labor-saving double force screwdriver

This creation is related to a type of screwdriver, especially related to a labor-saving type of force driver.

A screwdriver is a tool for unscrewing or tightening a screw. The main structure includes a handle. A rod system extends from one end of the handle and is connected with a sub-body. The grip is for the user to grasp. The force is applied to the driver body through the rod body to rotate the screw, and the driver head structure of the driver body includes a plurality of shapes, such as a hexagon, a star shape or a shape.

However, the commonly used screwdriver is manual, that is, the user has to exert a force to turn the screwdriver, and it is not only laborious and may not be able to rotate when encountering a large or tight screw. Although the electric screwdriver has labor-saving, the torque of the output is not accurate enough, and an external power supply is required, so there are still many inconveniences in use. In view of this, the conventional screwdriver has the need for improvement.

Therefore, this creation provides a labor-saving double-acting screwdriver that is more labor-saving and convenient to use.

The technical means for solving the problems of the prior art provides a labor-saving type of force driver, comprising: a handle end seat, the front side of which protrudes to form a driving pivot; a planetary gear assembly including a grip a shank housing, a sun gear, a plurality of planet gears, a plurality of transmission pivots and a sub-terminal connector, the inner wall surface of the handle housing is formed with an annular internal tooth portion, the sun gear shaft is coupled to the shaft a plurality of planetary gear trains are disposed on a periphery of the sun gear and inner side of the annular inner tooth portion respectively meshed with the sun gear and the annular inner tooth portion, and the plurality of transmission pivots are respectively rotatable The ground is axially connected between the axis of the plurality of planet gears and the rear side of the driver end connector; and a sub-body is coupled to the front side of the driver terminal connector and located at a rotational axis of the driver terminal connector On the line, wherein the handle end seat is rotated relative to the handle housing such that the sun gear rotates, and the plurality of planet gears are driven to rotate and bypass the sun gear to revolve, and the driver is driven Connecting member about the axis of rotation to the driver via a driving member connected to the end of the screwdriver main body is rotated.

In an embodiment of the present invention, a labor-saving double-actuator is provided, further comprising a grip end connector positioned in the grip housing and a coupling between the drive pivot and the sun gear.

In an embodiment of the present invention, a labor-saving double-actuator is further provided, further comprising a handle end bushing disposed between an outer diameter surface of the handle end connecting member and an inner wall surface of the handle housing, And is disposed on the rear side of the handle end connecting member.

In an embodiment of the present invention, a labor-saving double-driver is provided, further comprising a child end bushing disposed between the outer diameter surface of the driver end connector and the inner wall surface of the handle housing, and blocking It is located on the front side of the connector end connector.

In an embodiment of the present invention, a labor-saving double-driver is provided, and further includes a limiter firmware disposed outside the handle housing and movably moved relative to the handle housing at a limit position. Between and a release position, wherein a portion of the limiter is moved to the handle end seat to limit rotation of the handle end seat relative to the handle housing, and in the release position The limit firmware transfer is retracted to the handle housing to permit rotation of the handle end seat relative to the handle housing.

In an embodiment of the present invention, a labor-saving double-actuator is provided. The planetary gear train is plural and is disposed outside the sun gear at equal angular intervals.

In an embodiment of the present invention, a labor-saving double-actuator is further provided, further comprising a grip end auxiliary rotating member, having a shaft connecting fixing portion and a biasing extending arm portion, wherein the shaft connecting fixing portion is a detachable shaft Attached to the grip end seat, the biasing extension arm extends radially from the shaft joint fixing portion by a predetermined auxiliary force arm length.

In an embodiment of the present invention, a labor-saving double-actuator is provided, which further includes a child-end fixing member, and a set of fixing portions and a resistance extending arm portion are detachably sleeved and fixed to the handle shell. The resistance extension arm extends radially from the sleeve fixing portion by a predetermined auxiliary resistance arm length.

In an embodiment of the present invention, a labor-saving double force driver is provided, the screwdriver system being detachably coupled to the driver end connector.

In an embodiment of the present invention, a labor-saving type double force driver is provided, and the end of the driver body is formed into a cross structure, a word structure, a star structure, a hexagonal structure or an inner hexagon structure.

Through the technical means adopted in this creation, the combination of the planetary gear assembly and the labor-saving type of force driver achieves the effect of using labor saving. Preferably, the arrangement of the grip end auxiliary rotating member and the driver end fixing member can assist the user to use the labor-saving type double force driver to rotate the screw. When the limit firmware is movably moved in a limited position, the rotation of the planetary gear assembly is restricted, so that the labor-saving double-powered screwdriver of the present invention is converted into a general use mode only by manual force, thereby being applied in various situations. .

Hereinafter, an embodiment of the present creation will be described based on the first to sixth figures. This description is not intended to limit the implementation of the present invention, but is one of the embodiments of the present invention.

As shown in FIGS. 1 and 2, a labor-saving double-actuator 100 according to a first embodiment of the present invention includes a grip end seat 1, a planetary gear assembly and a sub-body 3.

A front end of the handle end seat 1 is formed with a driving pivot 11 , and the planetary gear assembly includes a handle housing 21 , a sun gear 22 , a plurality of planetary gears 23 , a plurality of transmission pivots 24 and a plurality of End connector 25.

As shown in the second and third figures, the inner wall surface of the handle housing 21 is formed with an annular inner tooth portion 211, the sun gear 22 is axially coupled to the driving pivot 11, and the plurality of planetary gears 23 are disposed. The sun gear 22 and the annular inner tooth portion 211 are respectively engaged with the inner side of the annular gear portion 211 and the inner side of the annular inner gear portion 211. The plurality of transmission pivots 24 are rotatably axially coupled between the axis of the plurality of planet gears 23 and the rear side of the driver end connector 25. Preferably, the planetary gears 23 are three and are disposed outside the sun gear 22 at equal angular intervals.

The driver body 3 is coupled to the front side of the driver end connector 25 and is located on one of the rotational axes of the driver terminal connector 25. Preferably, the driver body 3 is detachably coupled to the driver end connector 25. Optionally, the end of the driver body 3 is formed as a cross structure, a word structure, a star structure, a hexagonal structure or an inner hexagon structure.

With the above structure, the handle end seat 1 is rotated relative to the handle housing 21 such that the sun gear 22 rotates, and the plurality of planetary gears 23 rotates and revolves around the sun gear 22 to drive the The driver end connector 25 is rotated about the axis of rotation to drive the driver body 3 to rotate via the driver end connector 25.

Preferably, as shown in FIG. 2, in the embodiment, the labor-saving double-driver 100 further includes a handle end connector 4, a grip end bushing 5, a sub-end bushing 6 and a Limited to firmware 7.

The grip end connector 4 is located in the grip housing 21 and is coupled between the drive pivot 11 and the sun gear 22.

The grip end bushing 5 is disposed between the outer diameter surface of the grip end connecting member 4 and the inner wall surface of the grip housing 21, and is disposed on the rear side of the grip end connecting member 4; and the screwdriver The end bushing 6 is disposed between the outer diameter surface of the driver end connector 25 and the inner wall surface of the handle housing 21, and is disposed on the front side of the driver end connector 25.

The limiter reinforcement 7 is disposed outside the handle housing 21, and is movably moved relative to the handle housing 21 between a limit position (Fig. 4b) and a release position (Fig. 4a). In the restraining position, a portion of the limiter reinforcement 7 is transferred to the handle end seat 1 to limit rotation of the handle end seat 1 relative to the handle housing 21, and in the release position, the limit firmware The shifting of the grip housing 21 allows the rotation of the grip end seat 1 relative to the grip housing 21.

As shown in FIGS. 5 and 6, a labor-saving double-actuator 100a according to a second embodiment of the present invention is substantially the same as the labor-saving double-actuator 100, except that the labor-saving double-actuator 100a The utility model further comprises a handle end auxiliary rotating member and a sub-terminal fixing member. In detail, the handle end auxiliary rotating member has a shaft connecting fixing portion 81 and a biasing extending arm portion 82. The shaft connecting fixing portion 81 is detachably fixedly fixed to the grip end seat 1, and the force is extended. The arm portion 82 extends radially from the shaft fixing portion 81 by a predetermined length of the auxiliary urging arm.

The driver end fixing member has a set fixing portion 91 and a resistance extending arm portion 92 detachably sleeved and fixed to the handle housing 21, and the resistance extending arm portion 92 is from the sleeve fixing portion 91. Extending a predetermined auxiliary resistance arm length.

The above description and description are only illustrative of the preferred embodiments of the present invention, and those having ordinary skill in the art may make other modifications in accordance with the scope of the patent application as defined below and the above description, but such modifications are still It is the creative spirit of this creation and is within the scope of this creation.

100, 100a‧‧‧ labor-saving double force screwdriver
1‧‧‧Handle end seat
11‧‧‧Drive Pivot
21‧‧‧Handle housing
211‧‧‧Ring internal tooth
22‧‧‧Sun Gear
23‧‧‧ planetary gear
24‧‧‧ Transmission pivot
25‧‧‧Starter connector
3‧‧‧ screwdriver body
4‧‧‧Handle end connector
5‧‧‧Handle end bushing
6‧‧‧Starter bushing
7‧‧‧Firmware
81‧‧‧Axis fixed part
82‧‧‧Power extension arm
91‧‧‧Setting of fixed parts
92‧‧‧Resistance extension arm

Fig. 1 is a perspective view showing a labor-saving type multiplier according to a first embodiment of the present invention. Fig. 2 is an exploded view showing a labor-saving type double-driver according to the first embodiment of the present creation. Fig. 3 is a cross-sectional view showing a labor-saving type double force driver according to the first embodiment of the present creation. Fig. 4a is a schematic view showing a limit firmware of the labor-saving type double-driver according to the first embodiment of the present invention in a release position. Fig. 4b is a schematic view showing the limiter of the labor-saving type double-powered screwdriver according to the first embodiment of the present invention in the limited position. Fig. 5 is a perspective view showing a labor-saving type multiplier according to a second embodiment of the present invention. Fig. 6 is a perspective view showing a grip end auxiliary rotating member and a sub-terminal fixing member of the labor-saving type double-actuator according to the second embodiment of the present invention, which are detached from the labor-saving type double-actuator.

100‧‧‧ labor-saving double-driver

1‧‧‧Handle end seat

11‧‧‧Drive Pivot

21‧‧‧Handle housing

211‧‧‧Ring internal tooth

22‧‧‧Sun Gear

23‧‧‧ planetary gear

24‧‧‧ Transmission pivot

25‧‧‧Starter connector

3‧‧‧ screwdriver body

4‧‧‧Handle end connector

5‧‧‧Handle end bushing

6‧‧‧Starter bushing

7‧‧‧Firmware

Claims (10)

A labor-saving double-acting screwdriver comprising: a grip end seat having a driving pivot formed on a front side thereof; a planetary gear assembly including a grip housing, a sun gear, a plurality of planetary gears, and a plurality of transmissions a pivotal shaft and a sub-terminal connector, the inner wall surface of the handle housing is formed with an annular internal tooth portion, the sun gear is axially coupled to the driving pivot, and the plurality of planetary gears are disposed on the sun gear The outer side of the annular inner tooth portion is respectively engaged with the sun gear and the annular inner tooth portion, and the plurality of transmission pivots are rotatably axially coupled to the axis of the plurality of planetary gears and the driver a rear side of the end connector; and a sub-body attached to the front side of the driver end connector and located on an axis of rotation of the driver end connector, wherein the handle end seat is opposite to the handle housing The rotation of the body causes the sun gear to rotate, and the plurality of planet gears are rotated and the sun gear is revolved, and the driver end connecting member is rotated about the rotation axis to pass through the driver end connector. The driver body is driven to rotate. A labor-saving utilitative screwdriver as claimed in claim 1 further comprising a grip end connector positioned in the grip housing and a coupling between the drive pivot and the sun gear. The labor-saving double-driver according to claim 2, further comprising a grip end bushing disposed between the outer diameter surface of the grip end connecting member and the inner wall surface of the grip housing, and being disposed at The handle end connector is on the rear side. The labor-saving double-driver according to claim 1, further comprising a child end bushing disposed between the outer diameter surface of the starter end connector and the inner wall surface of the handle housing, and being disposed at the screwdriver The front side of the end connector. The labor-saving type multi-function driver according to claim 1, further comprising a limit firmware disposed outside the handle housing, and movably moved relative to the handle housing in a fixed position and a release position. Between, wherein, in the restraining position, a portion of the limiter is moved to the handle end seat to limit rotation of the handle end seat relative to the handle housing, and in the release position, the limit firmware The transfer retracts the handle housing to permit rotation of the handle end seat relative to the handle housing. The labor-saving type multi-function driver according to claim 1, wherein the planetary gear train is plural and is disposed outside the sun gear at equal angular intervals. The labor-saving double-actuator according to claim 1, further comprising a grip end auxiliary rotating member, having a shaft connecting fixing portion and a biasing extending arm portion, wherein the shaft connecting fixing portion is detachably fixed to the fixed portion a grip end seat extending radially from the shaft joint fixing portion by a predetermined auxiliary force arm length. The labor-saving type double-driver according to claim 1 or 6, further comprising a child end fixing member, wherein the set fixing portion and the one-resistance extending arm portion are detachably sleeved and fixed to the handle housing, The resistance extension arm extends radially from the sleeve fixing portion by a predetermined auxiliary resistance arm length. A labor-saving double-driver as claimed in claim 1, wherein the driver system is detachably coupled to the driver-end connector. The labor-saving double-driver according to claim 1, wherein the end of the driver body is formed into a cross structure, a word structure, a star structure, a hexagonal structure or an inner hexagon structure.