CN210282170U

CN210282170U - Novel nail puller

Info

Publication number: CN210282170U
Application number: CN201920935410.3U
Authority: CN
Inventors: 黄克瑶; 张春辉; 杨起棣
Original assignee: Nanjing Institute of Mechatronic Technology
Current assignee: Jiangsu Zhongheng Metal Technology Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-04-10
Anticipated expiration: 2029-06-20

Abstract

The utility model relates to a nail puller, in particular to a novel nail puller structure, belonging to the technical field of woodworking hardware tools. The nail puller comprises a power device, a shell and a nail puller, wherein the power device, the shell and the nail puller are connected on the same vertical straight line; the power device is used for providing power, and the output end of the power device penetrates through the upper end of the shell and is fixed on the upper surface of the shell; the connecting end of the nail nipping device is fixedly connected with the output end of the power device in the cavity of the shell, and the output end of the power device drives the nail nipping device to do linear reciprocating motion up and down under the guidance of the shell. Through the technical scheme of the utility model, block with the claw of playing the nail and wait to play the nail, rotate the screw rod through gear motor or manual dual mode of manpower, drive the nut upward movement, play the claw of nail simultaneously and also slowly rise, will wait to play the nail and play out perpendicularly. The whole motion process keeps in the vertical direction always, has guaranteed the straightness that hangs down of waiting to rise the nail, reduces the emergence of the condition of bending, improves the practicality.

Description

Novel nail puller

Technical Field

The utility model relates to a nail puller, in particular to a novel nail puller structure, belonging to the technical field of woodworking hardware tools.

Background

Heretofore, the nail pulling tool used by craftsmen mainly adopts a claw hammer, the claw hammer is mostly clamped at the lower jaw part of a nail cap by using a pincer-shaped structure of two forks, a nail is pulled out from a wood by utilizing the lever principle of the length of a claw hammer handle, but the nail pulled out by the claw hammer is deformed in most cases. If the claw hammer does not have enough space to swing its arm, it is difficult to pull out the nail in a narrow space.

In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is matched with the application of scholars to actively make research and innovation, so as to design a novel nail puller, which imitates a screwdriver to screw a self-tapping screw, and can also screw a nail out. The nail puller is a tool capable of pulling out the nails, and the nails cannot be bent after being screwed out and can be reused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel nail puller, accessible power device drive the nail puller and will treat that the nail takes out to do not destroy the straightness that hangs down of nail, improve its practicality.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a novel nail puller comprises a power device, a shell and a nail puller, wherein the power device, the shell and the nail puller are connected on the same vertical straight line; the power device is used for providing power, and the output end of the power device penetrates through the upper end of the shell and is fixed on the upper surface of the shell; the connecting end of the nail nipping device is fixedly connected with the output end of the power device in the cavity of the shell, and the output end drives the nail nipping device to do linear reciprocating motion up and down under the guidance of the shell.

Further, the nail puller comprises a screw rod, a screw cap and a nail puller claw; the screw rod is in threaded connection with the nut, and the nut is driven to linearly move in the vertical direction through the rotation of the screw rod; the bottom of the screw cap is fixed with the nail-lifting claw.

Furthermore, the nail nipping claw is provided with a v-shaped notch, the bottom end of the v-shaped notch is arc-shaped and used for clamping a nail to be nipped, and one end provided with the v-shaped notch is flat and provided with a slope.

Further, the power device comprises a speed reducing motor, a motor chuck, a main shaft and a bearing; the output end of the speed reducing motor is fixed on the main shaft through the motor chuck; the bearing is arranged between the main shaft and the upper end of the shell and used for supporting rotation, and meanwhile, the bearing is fixedly connected with the screw rod in the same axial center and used for driving the screw rod to rotate.

Furthermore, the power device also comprises a handle, the handle is vertically inserted on the spindle neck, and the handle and the spindle neck are in cross fit; the handle is cylindrical, and the two ends of the handle are spherical bodies which can be detached.

Furthermore, the surfaces of the spherical bodies at the two ends of the handle are covered with rubber layers.

Furthermore, the front wall of the shell is provided with a square notch, so that a movable space is provided for the nail nipping claw.

Furthermore, slide rails are arranged on the left inner wall and the right inner wall of the shell; the left side and the right side of the screw cap are provided with sliding rail notches; the screw rod and the nut are matched to enable the screw rod to drive the nut to rise linearly along the track.

Through the technical scheme of the utility model, can realize following technological effect:

the utility model discloses in, block with the claw of playing the nail and wait to play the nail, rotate the screw rod through gear motor or manual dual mode of manpower, drive the nut upward movement, play the claw of nail simultaneously and also slowly rise, will wait to play the nail and play out perpendicularly. The whole motion process keeps in the vertical direction always, has guaranteed the straightness that hangs down of waiting to rise the nail, reduces the emergence of the condition of bending, improves the practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the novel staple remover;

FIG. 2 is a schematic structural view of the nail nipping device;

FIG. 3 is a schematic structural diagram of a power plant;

description of the drawings: the device comprises a power device 1, a shell 2, a nail puller 3, a speed reducing motor 11, a motor chuck 12, a handle 13, a main shaft 14, a bearing 15, a screw 31, a screw cap 32 and a nail claw 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

A novel nail puller is shown in figure 1 and comprises a power device 1, a shell 2 and a nail puller 3 which are connected on the same vertical straight line; the power device 1 is used for providing power, and the output end of the power device penetrates through the upper end of the shell 2 and is fixed on the upper surface of the shell; the connecting end of the nail nipping device 3 is fixedly connected with the output end of the power device 1 in the cavity of the shell 2, and the output end of the power device 1 drives the nail nipping device 3 to do linear reciprocating motion up and down under the guidance of the shell 2.

Specifically, adopt power device 1 to provide torsion power for nail nipping device 3, casing 2 is as the bearing place of nail nipping process, and the nail nipping device is used for the nail nipping. Through the cooperation of the three, the whole nail nipping process is carried out along the vertical direction, the perpendicularity of the nail nipping is guaranteed, the occurrence of the nail nipping bending condition is avoided, and the practicability is improved.

As a preference of the above embodiment, as shown in fig. 2, the nail nipping device 3 includes a screw 31, a nut 32, and a nail nipping claw 33; the screw 31 is spirally connected with the nut 32, and the nut 32 is driven to linearly move along the vertical direction by the rotation of the screw 31; the bottom of the screw cap 32 is fixed with the claw 33. By the device, the screw 31 is fixed on the main shaft 14 and is powered by the power device; the screw rotates to drive the screw cap to rotate, so that the nail lifting claw moves upwards.

Preferably, the claw 33 is provided with a v-shaped notch, the bottom end of the v-shaped notch is in a circular arc shape for clamping the nail to be lifted, and one end of the v-shaped notch is flat and provided with a slope. Specifically, one end of the V-shaped notch is flat, so that the V-shaped notch can be embedded into a gap between the object to be nailed and the object to be nailed better, and the operability of nail pulling at one time is improved. The V type notch point is circular-arc for better going to block and wait to play the nail, improves the precision of operation.

As a preferable example of the above embodiment, as shown in fig. 3, the power unit 1 includes a reduction motor 11, a motor chuck 12, a main shaft 14, and a bearing 15; the output end of the speed reducing motor 11 is fixed on the main shaft 14 through the motor chuck 12; the bearing 15 is arranged between the main shaft 14 and the upper end of the shell 2, is used for supporting rotation, and is fixedly connected with the screw rod 31 coaxially, and is used for driving the screw rod 31 to rotate. Specifically, the power device has two power supply modes, wherein one mode is electric power supply, and the other mode is manual power supply. The electric supply is that a gear motor is fixed on a main shaft 14 through a motor chuck 12 and drives the main shaft 14 to rotate, the gear motor and a shell 2 need to be fixed under the condition, power transmission is carried out only through an output end of the gear motor, and meanwhile, a handle 13 needs to be detached to avoid causing injury to an operator. The manual supply is to use a handle 13 fixed on a main shaft 14 to perform clockwise twisting by hand to increase power, in which case only the housing 2 needs to be fixed.

As a preferred embodiment, as shown in fig. 3, the power device 1 further includes a handle 13, wherein the handle 13 is vertically inserted on the journal of the main shaft 14, and the two are in cross-shaped fit; the handle 13 is cylindrical, the two ends of the handle are detachable spheres, and the surfaces of the spheres are covered with a layer of rubber material. By the device, when the electric mode is carried out, the spherical body is detached, and the handle is pulled out from the shaft diameter of the main shaft 14, so that the handle is prevented from being thrown out when the electric mode is carried out, and the safety is improved; the surface of the ball body is covered with a layer of rubber material, so that when the ball is held by a hand, the friction force is improved, the hand slip is reduced, and meanwhile, the speed is controlled better by an operator.

Preferably, the upper end of the housing 2 is provided with a circular notch for the main shaft 14 to pass through, and the front wall of the housing is provided with a square notch to leave a space for the claw 33 to ascend. The housing 2

The left inner wall and the right inner wall are provided with slide rails; the left side and the right side of the screw cap 32 are provided with slide rail notches; the two are matched to make the screw 31 drive the nut 32 to rise linearly along the track. Specifically, the left wall and the right wall are provided with sliding rails which are convenient to match with nuts, so that the smoothness of ascending motion is improved, and nail pulling is facilitated.

The working principle is as follows:

firstly, the flat part at the front end of the nail claw is embedded into a gap between the object to be nailed and the object to be nailed, the device is fixed, the power device is started after stabilization, and an electric mode and a manual mode can be adopted. After the power device is started, the main shaft is driven to rotate, so that the screw fixed on the main shaft rotates to drive the screw cap and the nail nipping claw fixed at the lower end of the screw cap to move upwards to perform nail nipping once, and the aim of the step is to form a small gap between the nail and the fixed surface. Then, after the small clearance makes the nail can all block in the v-arrangement groove, suspend power device, trade the v-arrangement groove of nail nipping claw and block the nail again, carry out the secondary nail nipping, follow the straight line direction with the nail and all extract.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The novel nail puller is characterized by comprising a power device (1), a shell (2) and a nail puller (3), wherein the power device, the shell (2) and the nail puller are connected on the same vertical straight line; the power device (1) is used for providing power, and the output end of the power device penetrates through the upper end of the shell (2) and is fixed on the upper surface of the shell; the connecting end of the nail nipping device (3) is fixedly connected with the output end of the power device (1) in the cavity of the shell (2), and the output end of the power device (1) drives the nail nipping device (3) to do vertical linear reciprocating motion under the guidance of the shell (2).

2. A new staple remover according to claim 1, characterized in that said staple removing device (3) comprises a screw (31), a nut (32) and a claw (33); the screw rod (31) is in spiral connection with the screw cap (32), and the screw cap (32) is driven to linearly move along the vertical direction through the rotation of the screw rod (31); the bottom of the screw cap (32) is fixed with the claw (33).

3. A new staple remover according to claim 2, characterized in that the claw (33) is provided with a v-shaped notch, the bottom end of which is rounded for catching the staple to be removed, and the end provided with the v-shaped notch is flat and provided with a slope.

4. A new staple remover according to claim 2, characterized in that said power unit (1) comprises a reduction motor (11), a motor cartridge (12), a main shaft (14) and a bearing (15); the output end of the speed reducing motor (11) is fixed on the main shaft (14) through the motor chuck (12); the main shaft (14) and be provided with between casing (2) upper end bearing (15) for it is rotatory to support, simultaneously with screw rod (31) coaxial axle center fixed connection is used for driving screw rod (31) rotate.

5. The novel nail puller according to claim 4, wherein the power device (1) further comprises a handle (13), the handle (13) is vertically inserted on the journal of the main shaft (14), and the handle and the main shaft are matched in a cross shape; the handle (13) is cylindrical, and two ends of the handle are spherical bodies which can be detached.

6. A novel nail puller as set forth in claim 5, characterized in that the spherical ball surfaces at both ends of the handle (13) are covered with a rubber layer.

7. A new staple remover according to claim 4, characterized in that the front wall of the housing (2) is provided with a square notch to provide a space for the claw (33) to move.

8. A new staple remover according to claim 7, characterized in that, said shell (2)

The left inner wall and the right inner wall are provided with slide rails, the left side and the right side of the screw cap (32) are provided with slide rail notches, and the slide rail notches are matched to enable the screw rod (31) to drive the screw cap (32) to linearly ascend along the rails.