CN216781712U

CN216781712U - Portable electric nail gun

Info

Publication number: CN216781712U
Application number: CN202220440754.9U
Authority: CN
Inventors: 吴森尧; 曾永杰; 张德昌
Original assignee: Xihua University
Current assignee: Xihua University
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-06-21
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a portable electric nail gun, which comprises a shell, a firing pin assembly, a spring, a power supply assembly, a driving assembly, an adjusting assembly and a control circuit, wherein the firing pin assembly comprises a firing pin, a firing pin base, a firing pin sleeve, a buffering cushion and a guide wheel, the sleeve is connected with a groove of the shell to form a guide rail, the guide wheel is additionally used for restraining the motion direction of the firing pin to form a guide mechanism for ensuring that the firing pin can horizontally move without shaking, the driving assembly is provided with an incomplete gear to be matched with a rack part of the sleeve, and the adjusting assembly comprises an adjusting nut, an adjusting stud and a spring support. The utility model is arranged under the driving of the speed reducing motor, the incomplete gear is meshed with the rack to drive the firing pin sleeve to compress the spring, and the spring drives the firing pin to strike the nail body when the meshing is finished, thereby realizing the process of shooting the nail. This design simple structure, light and handy portable penetrate the nail dynamics simultaneously big, efficient.

Description

Portable electric nail gun

Technical Field

The utility model relates to the technical field of manual nail guns, in particular to a portable electric nail gun.

Background

The nail gun is one of modern fastening technologies, and is used for directly or indirectly driving a nail into a concrete base body such as steel, stone, wood and the like by using gunpowder, gas explosion or other methods as power, and a power source of the nail gun is usually driven by adopting electric, pneumatic, gas ignition and the like.

Most nail guns need to be provided with devices such as a high-pressure air pump, a gas tank and the like or need to be connected with devices such as an electric wire, an air pipe and the like, have complex structures and are inconvenient to use. The electromagnetic electric nail shooter has energy, so that the encumbrance of wires and air pipes is avoided, but the principle is that the direction of an electromagnetic pole is switched, so that continuous shooting is inconvenient, heat is serious, and the efficiency is low.

Disclosure of Invention

It is an object of the present invention to overcome the above-mentioned problems of the prior art nail guns and to provide a portable electric nail gun. The power supply assembly adopts a direct current power supply, and the driving assembly adopts a direct current motor. The force is stored by the compression spring, and the firing pin is pushed by the explosive force to impact the shooting nail to complete the shooting nail action. In order to achieve the above object, the present invention provides the following technical solutions.

A portable electric nail gun includes a housing, a striker assembly, a spring, a power supply assembly, a drive assembly, an adjustment assembly, and a control circuit. The firing pin assembly is arranged above the driving assembly and connected with the gun head and the gun shell, the adjusting assembly is arranged behind the firing pin assembly and connected with the shell, and the power supply assembly is arranged at the lower end of the driving system and connected with the shell. The firing pin assembly comprises a firing pin, a firing pin base, a firing pin sleeve, a buffer cushion and a guide wheel; the firing pin is in interference fit with the firing pin sleeve, the guide wheels are fixed in the shell through bolts and positioned at two sides of the firing pin, and a sliding bearing is arranged between the bolts and the guide wheels; a cushion is arranged between the firing pin base and the firing pin sleeve, and the firing pin sleeve is fixedly connected with the spring; the firing pin sleeve is provided with a protruding strip and a rack; the driving component comprises a speed reducing motor and an incomplete gear; the micro motor and the reduction gear set are packaged to form a reduction motor which is connected with the incomplete gear through a key; the adjusting component comprises an adjusting nut, an adjusting stud and a spring support, the adjusting nut is embedded into the shell, and the adjusting stud is provided with a handle.

Furthermore, the incomplete gear does not need to be designed with a locking arc, and the number of teeth of the gear and the rack is determined according to the compression length of the spring and the value to be reached by the corresponding rack stroke.

Further, when the incomplete gear is disengaged from the rack, and one-time nail shooting action is completed, the control circuit can cut off the power supply.

Further, the maximum distance between the adjustment assembly and the striker assembly is no greater than the initial length of the spring.

Furthermore, the protruding strips on the firing pin sleeve and the grooves of the shell form guide rail connection, and the guide wheels add restraint on the motion direction of the firing pin.

The working principle of the utility model is as follows: the power switch is buckled, the motor drives the incomplete gear to be meshed with the rack, the firing pin sleeve is driven to compress the spring, the spring drives the firing pin to strike the nail body when the meshing is finished, the nail shooting process is realized, and the control circuit cuts off the power supply at the moment; each time the power switch is buckled, one nail is driven into the workpiece; meanwhile, the guide wheel is connected with a guide rail formed by a protruding strip on the firing pin sleeve and a shell groove to ensure that the firing pin moves horizontally. Through being provided with adjusting part, can control the horizontal position of spring base in the casing, when spring base moved to casing inside, can compression spring's length improves the percussion dynamics of firing pin, has realized the adjustment to the shooting nail dynamics to make the nail gun have dynamics regulatory function.

The utility model has the beneficial effects that: the nail gun has the advantages that the nail gun is simple in structure, light and portable, the problems that the nail gun is easy to heat and low in efficiency and needs to be provided with an additional device or a power supply are effectively solved, the application range of the nail gun is enlarged, and meanwhile, the nailing quality is good, labor is saved, and the efficiency is high.

Drawings

FIG. 1 is a schematic view of the entire structure of the present invention.

Fig. 2 is a schematic front sectional view of the present invention.

Fig. 3 is a schematic view of the striker assembly of the present patent.

Fig. 4 is a schematic diagram of a control circuit of the present invention.

In the figure: 1. a power supply component; 101. a battery case; 102. a DC battery; 2. a drive assembly; 201. a reduction motor; 202. an incomplete gear; 3. a striker assembly; 301. a guide wheel; 302. a striker; 303. a striker base; 304. a cushion pad; 305. a striker sleeve; 4. a housing; 5. a spring; 6. an adjustment assembly; 601. a spring support; 602. adjusting the stud; 603. and adjusting the nut.

Detailed Description

Referring to fig. 1-2, a portable electric nail gun comprises a housing 4, a striker assembly 3, a spring 5, a power supply assembly 1, a driving assembly 2, an adjusting assembly 6 and a control circuit, wherein the driving assembly 2 is arranged in a hollow cavity of a handle of the housing and comprises a speed reducing motor 201 and an incomplete gear 202; the striker assembly 3 comprises a striker 302, a striker base 303, a striker sleeve 305, a cushion 304 and a guide wheel 301, and is arranged above the driving assembly 2, wherein the striker sleeve 305 is connected with the rack and is matched with the incomplete gear 202 in the driving assembly 2; the adjusting assembly 6 is arranged at the spring support; the power supply module 1 is disposed at the bottom of the housing 4 and includes a dc battery 102 and a battery box 101. The adjusting assembly 6 comprises an adjusting nut 603, an adjusting stud 602 and a spring support 601, wherein the adjusting nut 603 is embedded in the housing 4, a handle is arranged on the adjusting stud 603, and the initial length of the spring 5 can be adjusted by adjusting the position of the spring support 601.

As shown in fig. 3, the striker 302 is a planar striker and is disposed at the front end of a striker sleeve 305, the centerline of the striker 302 is aligned with the centerline of the muzzle, the front end of the striker sleeve 305 and a striker base 303 have a cushion 304, and the striker sleeve 305 is provided with a guide rail and a rack; the guide wheels 301 are arranged on two sides of the striker 302, and the movement direction of the striker 302 is restrained, so that a guide mechanism for ensuring that the striker 302 can horizontally move without shaking is formed, and the nailing quality is improved.

As shown in fig. 4, when an operator correctly uses the electric nail gun, the switch ST1 is closed, the button SB is pressed, the coil KM is powered, the switch KM is closed, the speed reducing motor 201 is started, the switch ST2 is closed when the compression device reaches the compression limit position, the time relay coil KT is powered, the timing is started, the switch KT is disconnected after the nail shooting action completion time interval, the coil KM is powered off, and the motor is disconnected from the power supply; this is completed by one nail shooting action.

The working principle of the utility model is as follows: the power supply of the nail gun is provided by the battery 102, when the nail is required to be shot, the power supply switch is buckled, the speed reducing motor 201 drives the incomplete gear 202 to be meshed with the rack, the firing pin sleeve 305 is driven to compress the spring 5, the spring 5 drives the firing pin 302 to strike the nail body when the meshing is finished, the nail shooting process is realized, and at the moment, the control circuit cuts off the power supply; each time the power switch is buckled, one nail is driven into the workpiece; while the guide wheel 301 is coupled to the guide track formed by the raised strips on the striker sleeve 305 and the housing groove to ensure horizontal movement of the striker 302. Through being provided with adjusting part 6, can control the horizontal position of spring base in casing 4, when spring base moved to casing 4 inside, can compress spring 5's length, improved firing dynamics of firing pin 302, realized the adjustment to the nail dynamics of penetrating to make the nail gun have dynamics regulatory function.

Claims

1. A portable electric nail gun comprises a shell, a firing pin component, a spring, a power supply component, a driving component, an adjusting component and a control circuit, wherein the driving component is arranged in a hollow accommodating cavity of a handle of the shell and comprises a speed reducing motor and an incomplete gear; the firing pin assembly is arranged above the driving assembly, and the firing pin sleeve is connected with the rack and matched with the incomplete gear in the driving assembly; the adjusting assembly is arranged at the spring support; the power supply assembly is arranged at the bottom of the shell and comprises a direct current battery and a battery box.

2. The portable, powered nail gun of claim 1, wherein: the firing pin assembly comprises a firing pin, a firing pin base, a firing pin sleeve, a buffer cushion and a guide wheel; the guide wheels are arranged in the shell and are arranged on two sides of the firing pin, and the shell is provided with a guide groove.

3. A portable electric nailer according to claim 1 or 2 wherein: the firing pin is a plane firing pin and is arranged at the front end of a firing pin sleeve, the center line of the firing pin and the center line of the gun nozzle are on the same straight line, the front end of the firing pin sleeve and the firing pin base are provided with a buffering cushion, and the firing pin sleeve is provided with a guide rail and a rack.

4. The portable electric nailing gun as claimed in claim 1 or 2, wherein the spring is arranged between the spring base and the firing pin sleeve, the spring is fixedly arranged at one end of the firing pin sleeve, the spring is freely rotatable arranged at one end of the spring base, and a thrust bearing is arranged between the spring base and the adjusting assembly.

5. The portable electric nailer of claim 1, wherein the adjustment assembly includes an adjustment nut embedded in the housing, an adjustment stud disposed on the handle, and a spring support, the spring initial length being adjustable by adjusting the spring support position.

6. The portable, powered nail gun of claim 1, wherein: the lower end of the gun shell is provided with a holding part, and a power switch is arranged on the holding part.