CN216180257U

CN216180257U - Lifting structure of hand-held type shooting nail fastening tool

Info

Publication number: CN216180257U
Application number: CN202122751340.6U
Authority: CN
Inventors: 陈星星; 蔡桂远
Original assignee: Zhejiang Xiaopin Technology Co ltd
Current assignee: Zhejiang Xiaopin Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-05
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to a lifting structure of a handheld nail-shooting fastening tool, wherein a lifting mechanism comprises a motor, a reduction gearbox and a lifting wheel, the input end of the reduction gearbox is connected with the output end of the motor, the lifting wheel is connected with the output shaft of the reduction gearbox, the lifting wheel comprises a lower wheel disc, an upper wheel disc and a connecting pin, connecting holes are formed in the lower wheel disc and the upper wheel disc at equal intervals, two ends of the connecting pin are connected with the lower wheel disc and the upper wheel disc, and the connecting pin between the upper wheel disc and the lower wheel disc is meshed with a convex tooth on a firing pin. The lifting wheel comprises a lower wheel disc, an upper wheel disc and connecting pins, the connecting pins are connected between the lower wheel disc and the upper wheel disc at equal intervals, the connecting pins serve as connecting pieces for connecting the lower wheel disc and the upper wheel disc and serve as meshing pieces matched with the convex teeth of the striker, the original meshing transmission of the teeth and the teeth is changed into the meshing transmission between the teeth and the column, and the linear pull-back action of the striker assembly is realized. The gear-shifting mechanism can reduce the meshing friction, is not easy to cause the phenomenon of gear jamming, improves the transmission stability, prolongs the service life and effectively reduces the transmission noise.

Description

Lifting structure of hand-held type shooting nail fastening tool

Technical Field

The utility model relates to the technical field of nail shooting tools, in particular to a lifting structure of a handheld nail shooting fastening tool.

Background

Compared with a gas-powered nail gun, the lithium-ion electric nail gun has the remarkable advantages of safety, portability and the like, so that the lithium-ion electric nail gun is rapidly popularized and applied in recent years after coming out.

The lifting mechanism of the existing lithium battery nail shooting tool mainly comprises a motor and a lifting wheel, wherein the periphery of the lifting wheel is provided with convex teeth for meshing transmission with the convex teeth arranged on a firing pin, and the meshing between the teeth and the teeth is large in meshing friction, so that the phenomenon of gear jamming is easy to occur, the noise is large, the transmission is unstable, and the teeth are easy to wear and tear, so that the tool cannot be used due to transmission failure.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies in the background art, the present invention provides a lifting structure for a hand-held power actuated nailing and fastening tool.

The technical scheme adopted by the utility model is as follows: the utility model provides a hand-held type penetrates promotion structure of nail fastening tool, includes tool housing, firing pin and hoist mechanism, hoist mechanism includes motor, reducing gear box and hoisting wheel, the input of reducing gear box is connected with the output of motor, the output shaft of hoisting wheel and reducing gear box, the hoisting wheel includes rim plate, last rim plate and connecting pin down, the equidistant connecting hole that is equipped with on lower rim plate and the last rim plate, the connecting pin both ends are connected with lower rim plate and last rim plate, the connecting pin between last rim plate and the lower rim plate meshes with the dogtooth on the firing pin mutually.

Furthermore, an unlocking step is arranged on the upper wheel disc, and vacant notches are formed in the upper wheel disc and the lower wheel disc which are positioned on one side of the unlocking step.

Furthermore, a weight-reducing sinking groove is formed in the upper wheel disc located on the inner side of the connecting hole.

Furthermore, a shaft sleeve is sleeved on the connecting pin between the lower wheel disc and the upper wheel disc, and the shaft sleeve is in rotating fit with the connecting pin.

The utility model has the beneficial effects that: the lifting wheel comprises a lower wheel disc, an upper wheel disc and connecting pins, wherein the connecting pins are connected between the lower wheel disc and the upper wheel disc at equal intervals, the connecting pins serve as connecting pieces for connecting the lower wheel disc and the upper wheel disc, and meanwhile, the connecting pins serve as meshing pieces matched with convex teeth of the firing pin, the original meshing transmission of the teeth and the teeth is changed into meshing transmission between the teeth and the column, and the linear pull-back action of the firing pin assembly is realized. The gear-shifting mechanism can reduce the meshing friction, is not easy to cause the phenomenon of gear jamming, improves the transmission stability, prolongs the service life and effectively reduces the transmission noise.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic transverse cross-section at the striker.

Fig. 3 is a schematic structural view of the lifting wheel.

Fig. 4 is a schematic view of the positions of the lift wheel and the striker.

In FIGS. 1-4: 1. a tool housing; 2. a striker; 3. a motor; 4. a reduction gearbox; 5. a lifting wheel; 6. a lower wheel disc; 7. an upper wheel disc; 8. connecting pins; 9. connecting holes; 11. unlocking the step; 12. a gap is left vacant; 13. a shaft sleeve; 14. a convex tooth; 15. and (5) lightening the sink tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

The utility model provides a lifting structure of a hand-held nail-shooting fastening tool.

In this embodiment, referring to fig. 1-4, the lifting structure of the hand-held nail gun fastening tool includes a tool housing 1, a striker 2, and a lifting mechanism: the lifting mechanism comprises a motor 3, a reduction gearbox 4 and a lifting wheel 5, wherein the input end of the reduction gearbox is connected with the output end of the motor, the lifting wheel is connected with the output shaft of the reduction gearbox, the lifting wheel comprises a lower wheel disc 6, an upper wheel disc 7 and a connecting pin 8, connecting holes 9 are formed in the lower wheel disc and the upper wheel disc at equal intervals, two ends of the connecting pin are connected with the lower wheel disc and the upper wheel disc, and the connecting pin between the upper wheel disc and the lower wheel disc is meshed with a convex tooth 14 on the firing pin.

Among the above-mentioned technical scheme, the hoisting wheel includes rim plate, last rim plate and connecting pin down, and the connecting pin is equidistant to be connected between rim plate and the last rim plate down, and the connecting pin is as the connecting piece of connecting rim plate and last rim plate down, simultaneously as with striker protruding tooth complex meshing piece, changes the meshing transmission of original tooth and tooth into the meshing transmission between tooth and the post, realizes the straight line pull-back action of striker subassembly. The gear-shifting mechanism can reduce the meshing friction, is not easy to cause the phenomenon of gear jamming, improves the transmission stability, prolongs the service life and effectively reduces the transmission noise.

Specifically, a weight-reducing sinking groove 15 is formed in the upper wheel disc positioned on the inner side of the connecting hole; the upper wheel disc is provided with an unlocking step 11, and the upper wheel disc and the lower wheel disc which are positioned on one side of the unlocking step are both provided with vacant notches 12; and a shaft sleeve 13 is sleeved on the connecting pin between the lower wheel disc and the upper wheel disc, and the shaft sleeve is in rotary fit with the connecting pin.

Through suit axle sleeve on the connecting pin between lower rim plate and the last rim plate, axle sleeve and connecting pin swivelling joint help further reducing transmission friction, and the transmission flow is more stable, further reduces the transmission noise.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. A lifting structure for a hand-held nail gun fastening tool comprising a tool housing, a firing pin and a lifting mechanism, characterized in that: the lifting mechanism comprises a motor, a reduction gearbox and a lifting wheel, the input end of the reduction gearbox is connected with the output end of the motor, the lifting wheel is connected with the output shaft of the reduction gearbox, the lifting wheel comprises a lower wheel disc, an upper wheel disc and a connecting pin, connecting holes are formed in the lower wheel disc and the upper wheel disc at equal intervals, two ends of the connecting pin are connected with the lower wheel disc and the upper wheel disc, and the connecting pin between the upper wheel disc and the lower wheel disc is meshed with the convex teeth on the firing pin.

2. The lifting structure of a hand-held power actuated setting tool of claim 1, further comprising: the upper wheel disc is provided with an unlocking step, and the upper wheel disc and the lower wheel disc which are positioned on one side of the unlocking step are both provided with vacant notches.

3. The lifting structure of a hand-held power actuated setting tool of claim 1, further comprising: and the upper wheel disc positioned on the inner side of the connecting hole is provided with a weight reduction sinking groove.

4. The lifting structure of a hand-held power nailer according to any one of claims 1-3 wherein: and a shaft sleeve is sleeved on the connecting pin between the lower wheel disc and the upper wheel disc, and the shaft sleeve is in rotating fit with the connecting pin.