CN2351249Y - Actuating thrust adjustment device of nail gun - Google Patents

Abstract

The actuating thrust regulator for nail gun has one block inside the gun body, one ammunition chamber and one piston chamber inside the block, one piston inside the piston chamber, one holding hole in the side of the gun body, one driving pin inside the holding hole and one regulating pin to abut against the driving pin, one ring slot behind the driving pin, one knob inside the ring slot, one locating screw sleeve inside the knob, one indicating screw in the locating screw sleeve and one regulating screw to abut against the driving pin for regulating the interval between the block and the piston inside the block.

Description

Actuating thrust adjustment device of nail gun

The utility model relates to a nail gun, in particular to an actuating thrust adjustment device of the nail gun.

The use of the nail gun does help the construction speed of the decoration industry and saves costs and man-hours. The structure of the nail gun is mainly to form a piston chamber inside the inner tube, which can be used to place a piston with a piston rod. The end of the inner tube is provided with a block with an ammunition chamber, and the rear end of the block is provided with a firing pin seat inside the body. The piston chamber with the piston inside the block communicates with the ammunition chamber and the channel. The user can insert the The ammunition filled with gunpowder is loaded into the channel of the firing pin seat. After the gunpowder is struck by the firing pin, the gunpowder inside can explode, and the high-pressure expansion air generated at this time is immediately injected into the ammunition chamber and the connected piston. In the room, the piston can be pushed towards the front end by means of this action thrust, so that the piston rod at one end of the piston can push the steel nail located in the front end of the inner tube of the gun to the outside, so that the steel nail is nailed at the position to be nailed. It is extremely convenient, fast and practical in the decoration process.

Because the use of nail guns is extremely convenient and practical, it is widely favored by the decoration industry. However, when steel nails are nailed to objects of different materials or hardness, the actuating thrust generated by the nail gun must be designed to be selectively adjustable. , to match the material or hardness of the actual nailing place, so that the operator can quickly and conveniently and according to the material or hardness requirements of the construction place during decoration construction.

As far as the general traditional nail gun is concerned, the pressure generated by the ammunition chamber is determined by the ammunition number of the gunpowder it fires, that is, the thrust of the air pressure generated by different ammunition numbers is different. Different types of construction sites or the hardness of workpiece materials must carry ammunition of various numbers (or specifications) in the preparation work before construction, and the ammunition of various numbers (or specifications) must be carried with enough The quantity is more convenient for construction, but it is necessary to carry ammunition of various numbers or specifications, which will cause inconvenience in preparation work, and if a certain number of ammunition is lacking or used up during construction , will cause inconvenience such as stoppage of construction.

For the aforementioned traditional nail guns, various numbers or specifications of ammunition must be carried in use, and the number of ammunition of various numbers must be considered in advance. Therefore, it is extremely inconvenient to carry and must be carried. Inconvenience and other disadvantages caused by different specifications and quantities, the purpose of this utility model is to provide an actuating thrust adjustment device for a nail gun, so that the builder does not have to consider the size and specifications of the ammunition, and only carries one size Standard ammunition is enough, and the required thrust can be adjusted quickly and accurately according to the instructions on the gun body without causing the machine parts to break.

The technical scheme of the utility model is to provide an actuating thrust adjustment device for a nail gun, which is characterized in that: a body is provided inside the body, and a bullet chamber and a piston chamber communicated with each other are formed in the body, and a piston and a piston chamber are arranged in the piston chamber. The piston rod is formed with an accommodation hole on the side of the machine body. A transmission pin is arranged in the accommodation hole. An adjustment pin is arranged in the block relative to the transmission pin to abut against the transmission pin. The other end of the adjustment pin abuts against the On the end face of the piston, a hole and a ring groove perpendicular to it are formed on the body behind the drive pin. A knob is built in the ring groove, a hole is set in the center of the knob, and a positioning screw sleeve with a screw hole formed inside is penetrated and fixed. In the perforation of the knob and located at the hole, an indicator screw is screwed in the screw hole of the positioning screw sleeve. The other end of the indicator screw is formed with a vertical horizontal block, and the end of the horizontal block is against the other end of the drive pin. At the top, an indicating block is formed at the vertical position of the horizontal block. The indicating block protrudes from the long hole formed between the accommodating hole and the setting hole on the body, and the indicating screw can only be displaced laterally.

In the actuating thrust adjustment device of the above-mentioned nail gun, a screw hole can be provided on the periphery of the knob to communicate with the through hole in the center. at the recess formed;

Moreover, a ball groove can be formed in addition on the positioning screw sleeve, and a steel ball pushed by a spring is provided in the body relative to the position of the ball groove, and the steel ball can be positioned at the ball groove.

Compared with the prior art, the utility model has obvious advantages and positive effects. From the above technical solutions, it can be seen that for generating different thrusts, the utility model only needs to simply turn the knob 60 to make the positioning screw sleeve 50 rotate, and then the indicator screw 40 can cooperate with the driving pin 30 to push up and move the adjusting pin 113 Therefore, the position of the end 151 of the piston 15 housed in the piston chamber 115 can be simply adjusted, so that different space sizes can be formed between the two according to needs, so that different sizes of actuating thrust can be generated; Because it is composed of several components, it is easy to disassemble between the components to clean up the residue of explosives, and it has the characteristics of easy maintenance. Furthermore, since the adjusting pin 113 is arranged at the block body 11 of the inner tube, and the driving pin 30 is located in the firing pin seat 13, the two are designed separately, so that the driving pin 30 will not be in the block body 11 of the inner tube. The situation of breaking due to strong cracking explosion.

Below in conjunction with accompanying drawing, further illustrate the specific structure feature and purpose of the present utility model.

Brief description of the drawings:

Fig. 1 is an exploded view of the utility model.

Fig. 2 is a top view combination sectional view of the utility model.

Fig. 3 is a schematic diagram of the action of the utility model.

Fig. 4 is another action schematic diagram of the present invention.

Fig. 5 is a partial sectional view of the nail gun.

Fig. 6 is a schematic side view of the utility model.

Fig. 7 is another schematic side view of the utility model.

See Figures 1, 2 and 5. The rough structure of the nail gun with the actuating thrust adjustment device designed in the present invention is that a firing pin seat 13 is installed inside the machine body 10, and a through passage 14 is formed in the firing pin seat 13 for loading. The ammunition with gunpowder is put in or taken out, and an inner tube block 11 is provided at the front end of the firing pin seat 13, and the center of one end of the block 11 is formed with an ammunition chamber 112 communicating with the passage 14, and a piston chamber formed at the other end. The piston end 151 that one end of piston rod 16 is set can be accommodated in the space of 115, and the front end of this block 11 is an inner tube 12, and aforementioned piston 15 and piston rod 16 are to move in inner tube 12, and can be moved The fired steel nail (not shown) is placed in the tube body at the front end of the inner tube, and is located at the front end of the piston rod 16. The above is part of the mechanism of a general nail gun, so it will not be repeated.

An accommodation hole 101 is formed in the body 10 relative to the position of the firing pin seat 13 and the block body 11, and a transmission pin 30 is arranged in the accommodation hole 101; The hole 111 is provided for the adjustment pin 113 to be placed and fixed by the positioning ring 114 , at this moment, the front end of the transmission pin 30 can relatively abut against one end of the adjustment pin 113 .

Furthermore, a hole 104 and an annular groove 103 vertically communicating with the hole 104 are formed at the rear of the housing hole 101, and a long hole 102 communicating with the outside is formed between the hole 104 and the housing hole 101. A knob 60 can be placed in the ring groove 103 of the knob 60. A perforation 61 is formed in the center of the knob 60, and a screw hole 63 penetrating to the perforation 61 is provided on the periphery, and a positioning screw sleeve 50 with a screw hole 51 can be inserted inside. In the perforation 61 of the knob 60, and located at the hole 104, the screw 631 can be used to screw into the screw hole 63, and press the recess 52 formed on the outside of the positioning screw sleeve 50 to make the knob 60 is integrated with the positioning screw sleeve 50. A bead groove 53 is also formed on the outside of the positioning screw sleeve 50 for a steel ball 54 to push against, and the steel ball 54 is pushed against by a spring 55 located in the body 10 so that the positioning screw sleeve 50 is subject to a certain positioning effect.

Also, an external thread is formed on the indicator screw 40, as shown in Figure 1, a horizontal block 41 is formed vertically at one end of the screw rod 40, and an indicating block 42 is formed downward at the other end of the horizontal block 41, as shown in Figure 2. , the indicator screw 40 is screwed in the screw hole 51 of the positioning screw sleeve 50 with its external thread, and one end of the cross block 41 abuts against the end opposite to the transmission pin 30, and the other end of the cross block 41 forms an indication The block 42 protrudes outward from the long hole 102, so that the operator can view the position of the indicating block 42 from the surface of the body 10, and can keep the indicating screw 40 from rotating and can only be displaced laterally.

When the utility model is actually used, as shown in Figures 2 and 6, the indicating screw 40 is located on the left side, and the end 151 of the piston 15 accommodated in the piston chamber 115 of the block 11 will face the firing pin seat as much as possible. 13 positions, so that most of the piston chamber 115 is occupied by the end 151. Therefore, the space formed between the piston chamber 115 and the connected ammunition chamber 112 will be relatively small. After that, the rapidly expanding air can generate a certain amount of thrust in a small space;

With reference to Figures 3 and 7, when the thrust is to be adjusted, the piston rod 16 after completing the nail-shooting task can only be rotated at the ring groove 103 after it is pushed to a predetermined position by an external force. At this time, the positioning screw sleeve 50 combined with each other can be rotated at the same time, and the indicator screw 40 can also be moved laterally at the same time. When the indicator screw 40 moves towards the push pin 30, it can be pushed in turn Adjust the pin 113, and now the piston 15 can be displaced towards the direction away from the firing pin seat 13, that is, a large space is formed between the interior of the piston chamber 115 and the end 151 of the piston 15, so that after the gunpowder is fired, , the generated inflation air flows in a larger space, which reduces the power of the high-pressure air used to push the piston 15, resulting in a reduction in the actuating thrust formed by the piston rod 16. Therefore, it can be obtained by the above-mentioned simple and practical adjustment method. lower thrust.

Referring to Fig. 4 again, when the gunpowder explodes in the ammunition chamber 112, the rapidly expanding high-pressure gas can be pushed from the ammunition chamber 112 through the piston chamber 115 toward the piston 15 in front, so that the piston rod 16 at the other end can The front is quickly pushed out, so that the steel nail in the tube body is quickly pushed out.

Cooperate and refer to shown in Fig. 1 again, because the bead groove 53 design that is slightly concave is formed on the positioning screw sleeve 50, in addition, a long groove is formed at the relative position of the body 10, for inserting the spring 55 and the steel ball 54, and make The steel ball 54 is pressed against the ball groove 53 by the action of the spring 55, so that the positioning screw sleeve 50 has a certain braking and positioning effect, and the number of turns can be known.

Claims (3)

1. An actuating thrust adjustment device for a nail gun, characterized in that: a body is provided inside the body, an ammunition chamber and a piston chamber communicated with each other are formed in the block, a piston and a piston rod are arranged in the piston chamber, and a body is formed on the side of the body. Accommodating hole, the accommodating hole is provided with a transmission pin, and the position of the block relative to the transmission pin is provided with an adjustment pin that abuts against the transmission pin. The other end of the adjustment pin abuts against the end face of the piston, The body at the rear is formed with a hole and a ring groove perpendicular to it. A knob is set in the ring groove, a hole is set in the center of the knob, and a positioning screw sleeve formed with a screw hole is inserted and fixed in the hole of the knob and positioned At the hole, an indicator screw is screwed in the screw hole of the positioning screw sleeve. The other end of the indicator screw is formed with a vertical horizontal block. An indicator block is formed at the position, and the indicator block protrudes from the elongated hole formed between the accommodating hole and the setting hole on the body. 2. The actuating thrust adjustment device for a nail gun according to claim 1, wherein the knob is provided with a screw hole on its periphery to communicate with the central through hole, and a screw is screwed into the screw hole to tighten the positioning screw. Put it on the recess formed by the relative position. 3. The actuating thrust adjustment device of a nail gun according to claim 1, wherein a bead groove is formed on the positioning screw sleeve, and a steel ball pushed by a spring is provided in the body relative to the bead groove, and the steel ball is The bit is positioned at the bead groove.

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