CN213828825U

CN213828825U - Safety device of pneumatic steel nail gun head belt resetting mechanism

Info

Publication number: CN213828825U
Application number: CN202020391221.7U
Authority: CN
Inventors: 刘国友
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-07-30
Anticipated expiration: 2030-03-13

Abstract

A safety device of a pneumatic steel nail gun with a resetting mechanism relates to a safety device of a pneumatic steel nail gun. At present, the safety device assembly of the pneumatic steel nail gun is high in manufacturing cost and labor-saving in use, a long groove is formed in the eccentric position of the plane of a gun head, a spring and a folded plate which is bent towards the long groove by a movable frame are arranged in the long groove, the folded plate is inserted between the front end of the long groove of the gun head and the front end of the spring, and is combined with the long groove and the spring to form a reset mechanism which enables the movable frame to move forwards and return to the original position after a nail is punched. The rear end part of the movable frame is in a shovel shape and penetrates into a rectangular hole of the gun shell and props against a safety disc in the trigger handle to start a valve switch to control nailing. Compared with the existing steel nail gun safety frame, the combination of the gun head resetting mechanism, the shovel shape at the rear end part of the movable frame and the rectangular hole of the gun shell saves a plurality of parts and assembly processes. The friction and the resistance are reduced, and the aim of easily pressing the movable frame by nailing is fulfilled.

Description

Safety device of pneumatic steel nail gun head belt resetting mechanism

Technical Field

The utility model relates to a pneumatic steel nail gun, in particular to a safety device of the pneumatic steel nail gun.

Background

At present, the pneumatic nail gun widely used in the market is of a common type and a non-clamping type, and the safety device structure of the two types of guns is formed by combining a gun head, a movable frame, a spring, a riveting piece connected with the spring, a pin shaft, a sleeve frame at the rear end of the movable frame, a gun shell opposite vertical wall for fixing the sleeve frame and a safety sheet connected in a trigger handle. The spring is arranged between two riveting pieces, and the riveting pieces are fixed between the opposite vertical walls of the gun shell by two pin shafts; the lance head is divided into an upper lance head and a lower lance head which are fixed by bolts to form an integral lance head.

The left and right branches at the front end of the movable frame of the common steel nail gun are sleeved on two sides of the lower block of the gun head, and one branch extends backwards to be longer. The rear end of the movable frame is provided with a long and wide bent plate which penetrates into the sleeve frame and extends backwards to contact with a safety plate in the trigger handle.

The front end of the movable frame of the staple-free steel nail gun is a long plate, the nozzle head is wide, the movable frame is arranged on the upper plane of the gun head upper block, the fastener penetrates into the movable frame and can move, and the shape of the rear end of the movable frame is the same as that of the rear end of a common steel nail gun. The two kinds of steel nail gun safety device assemblies are labor-consuming to install, the front end of the movable frame is long, the rear end of the movable frame is wide and long, the weight of the movable frame is increased, and the movable frame is not easy to move by being bounced by a filament spring. The rear end of the nail gun is in the sleeve frame to rub against the sleeve frame, so that the movable frame has resistance to move, and the nailing presses the movable frame to obviously feel hard. Another disadvantage is that: the spring wire thickness that the producer took place in the phenomenon of avoiding the spring nail rifle to fall the earthquake and fall the spring in the operational environment, has strengthened the spring and has difficult the dropping like this, but thick silk spring has increased the resistance that the adjustable shelf caused to press the adjustable shelf hard, especially the permanent operation feels tired hand more, will influence work efficiency.

Disclosure of Invention

In order to overcome many high and the not light laborsaving not enough of in use of manufacturing cost of current pneumatic steel nail rifle safeties subassembly, the utility model provides a safeties, this safeties can not only save manufacturing cost, can also be light laborsaving in the in-service use.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a pneumatic steel nail rifle bandeau canceling release mechanical safety device, includes rifle head, adjustable shelf, spring, rifle casing, characterized by: a long groove is formed in the eccentric position of the plane of the gun head, a spring and a folded plate which is bent towards the inside of the long groove by a movable frame are arranged in the long groove, the folded plate is inserted between the front end of the long groove and the front end of the spring, and the folded plate, the long groove and the spring are combined to form a reset mechanism which enables the movable frame to move forwards and return to the original position after the mouth part of the gun head leaves the object plane after a nail is punched. The resetting mechanism is arranged on the lower piece of the gun head by a common steel nail gun, and the steel nail gun without clamping nails is arranged on the upper piece of the gun head.

The back end of the movable frame of the common nail gun and the staple-free nail gun is in the shape of a shovel, and penetrates through the rectangular hole of the gun shell to move backwards to abut against the safety disc in the trigger handle so as to control the opening and closing of the valve and the nailing. One side of the rectangular hole wall of the gun shell is narrow and long.

The utility model has the advantages that: a gun head of one of the safety device components is provided with a resetting mechanism, and the long groove of the gun head saves casting molten steel. The front end of the movable frame is shortened, the rear end of the movable frame is narrowed, the weight is reduced, the rear end part of the movable frame is very simple and convenient to penetrate into a rectangular hole of a gun shell, complex part structure fixed connection is not needed, a plurality of parts and assembly procedures are omitted, the manufacturing cost is reduced, the spring is mounted in the groove, the thin wire spring can be prevented from being damaged due to collision, the resistance caused by the thick wire spring is overcome, the technical effect of saving labor in the actual use is achieved, and the labor efficiency is improved.

Drawings

Fig. 1 is an external structural schematic diagram of a conventional steel nail gun safety device of the present invention.

FIG. 2 is a schematic view of the external structure of the staple bolt securing device of the present invention.

Fig. 3 is a schematic view of the front end of the movable frame and the lower block of the gun head of the common steel nail gun of the present invention.

Fig. 4 is a schematic structural diagram of the front end and the rear end of the movable frame of the safety device of a common steel nail gun of the present invention.

FIG. 5 is a schematic view of the top block of the staple-free type nail gun head of the present invention.

FIG. 6 is a schematic diagram showing the front and rear ends of the movable frame of the staple bolt securing device of the present invention.

Fig. 7 is the rectangular hole schematic diagram of the gun housing of the present invention.

Fig. 8 is a schematic view of the narrow and long sides of the rectangular hole wall of the gun housing of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. A safety device of a resetting mechanism of a pneumatic steel nail gun head belt comprises a gun head, a movable frame, a spring and a gun shell, wherein the gun head is provided with the resetting mechanism capable of enabling the movable frame to move forwards to return to the original position, the resetting mechanism comprises a long groove 1 formed in the eccentric position of the plane of the gun head, a folded plate 3 formed by bending the movable frame towards the inside of the long groove 1 and the spring 2 arranged in the long groove 1, and the spring 2 is combined with the folded plate 3 formed by bending the movable frame towards the inside of the long groove 1 in the long groove 1.

As shown in figures 1 to 8, the front left and right branches 6 of the safety device movable frame of the common steel nail gun are connected with a gun head lower block 7, a folded surface 8 extends into a gun head slideway for connection, the rear end part of the movable frame is in a shovel shape 4, penetrates into a rectangular hole 5 of a gun shell and moves backwards to abut against a trigger handle inner safety sheet 9, and the hole wall of the rectangular hole of the gun shell faces one side of a gas pipe joint to be narrow and long 16.

The front end of the movable frame of the staple-free steel nail gun safety device is a long plate, the width of the nozzle head is 10, and the rear end of the movable frame is the same as the rear end of the movable frame of a common steel nail gun: both are in the shape of a shovel 4 and penetrate into a rectangular hole of the gun shell to move backwards to abut against an inner safety plate 9 of the trigger handle.

A long groove 1 is arranged on the eccentric position of a lower block 7 of a gun head of a common steel nail gun, an upper block 11 of the gun head covers the opening of the long groove 1 and is fixed by a bolt 12, a safety device spring 2 is arranged in the long groove 1, a gap 13 is arranged on the outer wall of the long groove 1, and a movable frame

A folded plate 3 with a bent branch end penetrates into the long groove 1 from the notch 13, the front end of the folded plate and the front end of the spring 2 in the long groove 1 are combined into a reset mechanism, and the reset mechanism has the functions that: after one nail is punched out, when the gun nozzle part leaves the object plane, the movable frame is rebounded to the original position by the spring 2 forwards (in the direction of the gun nozzle).

The eccentric center of the upper block 14 of the gun head of the staple-off type steel nail gun is provided with a long groove 1, the front end of the movable frame is a long plate, the nozzle head is wide by 10 and covers the long groove 1, a folded plate 3 which is bent downwards extends into the long groove 1 between the front end and the front end of a spring 2, the movable frame is characterized in that the folded plate 3 of the movable frame, the long groove 1 of the gun head and the spring 2 in the long groove 1 are combined into a reset mechanism, and the specific moving process of the reset mechanism is as follows: the front end mouth head part of the movable frame connected with the gun head extends forwards beyond the gun head mouth head when the movable frame is not nailed and is not pressed, and the movable frame is caused to be flat with the gun head mouth head when the nailed object is pressed, and the movable frame is moved towards the gun head mouth head

The folded plate 3 bent in the long groove 1 moves backwards to push the spring 2 to contract, so that the shovel-shaped part 4 at the rear end of the movable frame moves backwards in the rectangular hole 5 of the gun shell to abut against the safety piece 9 in the trigger handle, the safety piece 9 presses the air valve switch 15 tightly, the safety piece 9 further presses the air valve switch 15 to start air valve exhaust under the action of holding and pressing the trigger handle by hands, air enters an air cylinder in the gun shell to impact a firing pin to shoot a nail forwards, the trigger movable frame nozzle and the gun nozzle leave an object surface after the nail is shot out, at the moment, the spring 2 in the groove 1 extends forwards to support the bent plate 3 in the long groove 1 to move, and the movable frame nozzle extends forwards to exceed the gun nozzle. This process is repeated multiple times during the job.

The other parts than the safety device are the same as those of the conventional pneumatic nail gun, and the description thereof, which is well known to those skilled in the art, will not be repeated.

Claims

1. The utility model provides a pneumatic steel nail rifle bandeau canceling release mechanical safety device, includes rifle head, adjustable shelf, spring, rifle casing, characterized by: a long groove (1) is formed in the eccentric position of the plane of the gun head, a spring (2) and a folded plate (3) of the movable frame, which is bent towards the long groove (1), are arranged in the long groove (1), and the folded plate (3) is inserted between the front end of the gun head in the long groove (1) and the front end of the spring (2), is combined with the long groove (1) and the spring (2) to form a reset mechanism, wherein the movable frame moves forwards to return to the original position after a nail is punched.

2. The safety device for the resetting mechanism of the head band of the pneumatic nail gun as claimed in claim 1, wherein: the rear end part of the movable frame is in a shovel shape (4) and penetrates into a rectangular hole (5) of the gun shell to move backwards to abut against a safety sheet (9) in the trigger handle.

3. The safety device of the pneumatic nail gun head band resetting mechanism according to claim 2, which is characterized in that: the wall of the rectangular hole (5) of the gun shell is provided with a narrow and long surface (16).