CN212825140U

CN212825140U - Quick nailing gun

Info

Publication number: CN212825140U
Application number: CN202021410222.8U
Authority: CN
Inventors: 周兴海; 张保强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-30
Anticipated expiration: 2030-07-16

Abstract

The utility model belongs to the technical field of the rifle nail, a fast nailing gun is related to, including smooth firing pin of locating in the firing pin guide rail, firing pin guide rail front end is provided with the nail that supplies the nail in the firing pin guide rail and presss from both sides, the rear end of firing pin is provided with the striker of striking firing pin, the head of striker is by power device drive striking firing pin, the striker is connected with striker resetting means, the firing pin is connected with striker resetting means. The utility model provides a fast nailing gun has that the nailing is fast, and vibrations are little, quick advantage of return.

Description

Quick nailing gun

Technical Field

The utility model belongs to the technical field of the rifle nail, a fast nailing gun is related to.

Background

The nail gun is a product formed by combining a gun body part and a cartridge clip part. The nail gun and the nail shooter can shoot nails, are modern fastening technical products, belong to direct consolidation technology, and become necessary manual tools for woodworking, building construction and the like at present. Generally, a power source of the nail gun is driven by electric power, pneumatic power, gas ignition, or the like.

The conventional nail gun has the defects that: 1. most nail guns need to be provided with devices such as a high-pressure gas source, a gas tank and the like, and are not safe enough when in use; 2. the use is not convenient enough, and the nailing speed is slow; 3. the structure is relatively complex. An electric nail gun in the market at present adopts a movable iron core in a hollow electromagnetic coil to receive forward-moving electromagnetic force and drive a firing pin to drive nails into workpieces, but due to the existence of reaction force, a gun body and a gun nozzle generate recoil which enables the gun nozzle to jump away from the nailed workpieces, so that the nails cannot be guaranteed to be all driven into the workpieces, and the nails can be all driven into the workpieces only by additionally driving with an iron hammer. Recoil can sometimes also damage the rear end of the gun housing.

The firing pin is connected with a connecting rod principle, the principle that the connecting rod is hinged is changed into the principle that the nail is struck to move along the guide rail, the nail is driven into wood, the force cannot be adjusted, the nailing depth is different, meanwhile, the connecting rod is connected with the firing pin and is easy to damage, the replacement is troublesome, and the maintenance is complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quick nailing gun to prior art not enough, it is fast to have the nailing, and vibrations are little, quick advantage of return.

In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:

a quick nailing gun comprises a firing pin which is arranged in a firing pin guide rail in a sliding way, wherein a nail clip for supplying nails into the firing pin guide rail is arranged at the front end of the firing pin guide rail, a striking rod for striking the firing pin is arranged at the rear end of the firing pin, the head of the striking rod is driven by a power device to strike the firing pin, the striking rod is connected with a striking rod resetting device, and the firing pin is connected with the firing pin resetting device.

The middle of the striking rod is provided with a first hinge point and a second hinge point, the second hinge point is located above the first hinge point, the first hinge point is hinged to the gun shell, the second hinge point is hinged to the power device, the power device drives the striking rod to rotate around the first hinge point, and the second hinge point is located above the rear portion of the first hinge point.

The impact rod resetting device is arranged at the lower end of the impact rod, and an impact rod resetting spring in the impact rod resetting device is connected with a tail rod extending from the lower end of the impact rod. Furthermore, the front end of the striking rod return spring is provided with a rolling head, and the rolling head is in contact connection with the striking rod.

A guide rod is arranged above the firing pin, a striking block is fixedly connected with the rear end of the firing pin and sleeved on the guide rod, and a firing pin reset spring is arranged between the striking block and the front end of the guide rod.

The length ratio of the normal state to the compressed state of the striker return spring is 2-4: 1, preferably 3: 1.

the upper end of the striking rod, namely the head of the striking rod is provided with a striking head. During impact, the impact head impacts the impact block to drive the striker to move forward along the striker guide rail.

In the initial state, a gap is reserved between the striking rod and the firing pin, and the size of the gap is 6-12mm, preferably 10 mm. The gap between the striking rod and the striking pin is the gap between the striking head and the striking block.

The power device is an electromagnet, the electromagnet generates electromagnetic force for driving the inner iron core to move forwards after being electrified, and the iron core moving forwards drives the impact rod to impact the striker. The power device can also use other devices, such as an air cylinder, a hydraulic oil cylinder and the like.

The lower end of the nail clamp is provided with a control switch for controlling the on-off of the electromagnet.

The power device is arranged between the nail clamp and the impact rod.

The striker is preferably made of metal, but other materials may be used.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses simulate the human mechanics principle, the principle that similar strikes with the hammer utilizes power device pulling striking rod, makes striking rod head produce sufficient momentum and kinetic energy, utilizes inertia striking firing pin, and the nail is directly beaten to the firing pin, squeezes the nail into the object with the nail in the twinkling of an eye. Has the advantages of concentrated force, strong explosive force, small vibration and high nailing speed.

2. The utility model discloses utilize striker resetting means to make the striker reset, have the rapid advantage that resets.

3. The utility model discloses an electro-magnet is as the driving source, can adjust the size of electromagnetic force through the size of adjustment electric current, and then adjusts the dynamics of nailing to adapt to different nail acceptor surface hardness.

4. The utility model discloses simple structure, the maintenance of being convenient for. Meanwhile, a complex transmission structure is not used, and friction heating is reduced.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

reference numerals: 1. a striker guide; 2. a striker; 3. nailing and clamping; 4. a striker bar; 5. a power plant; 6. a first hinge point; 7. a second hinge point; 8. a striker rod return spring; 9. rolling the head; 10. a tail rod; 11. a guide bar; 12. an impact block; 13. a striker return spring; 14. a striking head; 15. an iron core; 16. and controlling the switch.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1-2:

a quick nailing gun comprises a firing pin 2 which is arranged in a firing pin guide rail 1 in a sliding way, a nail clamp 3 which supplies nails to the inside of the firing pin guide rail 1 is arranged at the front end of the firing pin guide rail 1, a striking rod 4 which strikes the firing pin 2 is arranged at the rear end of the firing pin 2, the head (namely the upper end) of the striking rod 4 is driven by a power device 5 to strike the firing pin 2, the striking rod 4 is connected with a striking rod resetting device, and the firing pin 2 is connected with the firing pin resetting device.

The power device 5 is an electromagnet, and the iron core 15 inside the electromagnet drives the impact rod 4 to move after the electromagnet is electrified; the power device 5 is arranged between the nail clamp 3 and the impact rod 4; the nail holder 3 is provided with a control switch 16 for controlling the on/off of the electromagnet.

Referring to fig. 2, the specific structure of the striker 4 is: the middle part of striking pole 4 is provided with first pin joint 6 and second pin joint 7, and second pin joint 7 is located first pin joint 6 top, first pin joint 6 articulates on the gun case, and second pin joint 7 articulates with power device 5, and power device 5 drive striking pole rotates around first pin joint 6, and is preferred, second pin joint 7 is located the back top of first pin joint 6.

The setting mode of the striking rod resetting device is as follows: the striking rod resetting device is arranged at the lower end of the striking rod 4, and a striking rod resetting spring 8 in the striking rod resetting device is connected with a tail rod 10 extending out of the lower end of the striking rod 4. Further, the front end of the striking rod return spring 8 is provided with a rolling head 9, and the rolling head 9 is in contact connection with the striking rod 4 to reduce the friction force between the striking rod 4 and the striking rod return spring 8.

The striker resetting device is arranged in the following manner: a guide rod 11 is arranged above the firing pin 2, a striking block 12 is fixedly connected to the rear end of the firing pin 2, the striking block 12 is sleeved on the guide rod 11, and a firing pin return spring 13 is arranged between the striking block 12 and the front end of the guide rod 11.

The length ratio of the normal state to the compressed state of the striker return spring 13 is 2 to 4: 1, preferably 3: 1.

in order to improve the impact effect of the striking rod 4 on the striker 2, the upper end of the striking rod 4, i.e., the head of the striking rod, is provided with a striking head 14. In impact, the striker head 14 strikes the striker mass 12 to drive the striker 2 forward along the striker guide 1.

In the initial state, a gap is left between the striking rod 4 and the striking pin 2, and the size of the gap is 6-12mm, preferably 10 mm. The gap between the striker rod 4 and the striker 2 is the gap between the striker head 14 and the striker block 12.

The utility model discloses a working method is: after the electromagnet is electrified, electromagnetic force for driving the inner iron core 15 to move forwards is generated, the iron core 15 moving forwards drives the impact rod 4 to rotate around the first hinge point 6, the head part of the impact rod 4 impacts the firing pin 2 when the impact rod 4 rotates, and meanwhile, the tail rod 10 compresses the impact rod return spring 8; the striker 2 is moved forward along the striker guide 1 after impact, impacting the nail to fly out of the nail gun and drive it into the subject, and the impact block 12 compresses the striker return spring 13. After the electromagnetic force disappears, the iron core 15 is reset, the striking rod reset spring 8 drives the striking rod 4 to reset, and the firing pin reset spring 13 drives the firing pin 2 to reset.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The quick nailing gun comprises a firing pin (2) which is slidably arranged in a firing pin guide rail (1), wherein a nail clamp (3) for feeding nails into the firing pin guide rail (1) is arranged at the front end of the firing pin guide rail (1), and the quick nailing gun is characterized in that a striking rod (4) for striking the firing pin (2) is arranged at the rear end of the firing pin (2), the head of the striking rod (4) is driven by a power device (5) to strike the firing pin (2), the striking rod (4) is connected with a striking rod resetting device, and the firing pin (2) is connected with the firing pin resetting device.

2. A quick nailing gun according to claim 1, wherein the striking rod (4) is provided with a first hinge point (6) and a second hinge point (7) at the middle, the second hinge point (7) is located above the first hinge point (6), the first hinge point (6) is hinged on the gun case, the second hinge point (7) is hinged with the power device (5), and the power device (5) drives the striking rod (4) to rotate around the first hinge point (6).

3. A quick nailing gun according to claim 2, wherein the striking rod returning means is provided at the lower end of the striking rod (4), and a striking rod returning spring (8) in the striking rod returning means is connected to the striking rod (4).

4. A quick nailing gun according to claim 3, wherein the striking bar return spring (8) is provided at the front end thereof with a roller head (9), and the roller head (9) is in contact connection with a tail bar (10) extending from the lower end of the striking bar (4).

5. The quick nailing gun according to claim 1, wherein a guide rod (11) is arranged above the striker (2), a striking block (12) is fixedly connected to the rear end of the striker (2), the striking block (12) is sleeved on the guide rod (11), and a striker return spring (13) is arranged between the striking block (12) and the front end of the guide rod (11).

6. A quick nailing gun according to claim 5, wherein the length ratio of the normal state to the compressed state of the striker return spring (13) is 2-4: 1.

7. a rapid nailing gun according to claim 1, wherein the striking rod (4) is provided at its upper end with a striking head (14).

8. A quick nailing gun according to claim 1, wherein a gap is left between the striking pin (2) and the striking rod (4) in the initial state, said gap having a size of 6-12 mm.

9. A nailing gun according to claim 1, wherein the power means (5) is an electromagnet, and the plunger (4) is driven by an internal iron core (15) when the electromagnet is energized.

10. A quick nailing gun according to claim 1, wherein a control switch (16) for controlling the on/off of the electromagnet is provided at the lower end of the nail holder (3).