WO2007056942A1

WO2007056942A1 - Two functions nailing gun for floor slabs

Info

Publication number: WO2007056942A1
Application number: PCT/CN2006/003065
Authority: WO
Inventors: Youmin Zhu; Jiao Zhang; Shuhua Lu
Original assignee: Youmin Zhu
Priority date: 2005-11-15
Filing date: 2006-11-14
Publication date: 2007-05-24
Also published as: CN2930994Y

Abstract

A two functions nailing gun for floor slabs includes a casing (2), a handle (1), a nailing rack, a cover assembly for striking (6), a poppet valve (7), a piston assembly (12), etc. The nailing rack can hold two kinds of nails, i.e. U-shaped nail and L-shaped nail. The oriented board (23) of the rack is positioned between the left elastic clip (25) and the right elastic clip (29). Two slots with different widths for accommodating nails are formed at the two sides of the oriented board. An anvil sleeve is provided at the top of the casing. The cover assembly for striking, the poppet valve and the piston assembly are positioned sequentially in the casing. A hammer beats the sleeve to make the compressed air to drive the piston downwards so as to realize the process of nailing.

Description

A dual-purpose floor slab gun The utility model relates to a dual-purpose floor slab gun.

Existing floor guns can only be used with a type of staple or L-shaped nail. Customers often need to purchase two different floor guns for different purposes during use. They need to use different nail guns during work, which affects work efficiency and 'increased customers' economic expenses.

The purpose of the utility model is to provide a floor slab gun which can be used for both U-shaped and L-shaped floor slab nails. The utility model is realized as follows: a dual-purpose floor slab gun, which is composed of a shell, a handle, a clip left, a clip right, a guide plate, a fillet, a fillet 2, a movable clip, a head, a cover, and a nail Head, guard seat, coil spring, coil spring core, piston assembly, cover, cushion, anvil cover, striking cover assembly, poppet valve, locating pin, positioning block, handle, bottom plate, pipe joint, O-ring, etc. composition. The utility model is characterized in that: two U-shaped and L-shaped floor nails can be simultaneously loaded. The guiding plate is located between the left side of the magazine and the right side of the magazine; the upper side of the magazine is located on one side of the guiding plate with a step, and the guiding plate forms a wide groove with the right side of the magazine, the slot is used for loading the L-shaped nail; The guide plate is provided with a step on the left side of the clip, and the guide plate and the left side of the clip also form a narrow groove. The magazine is provided with a corresponding slot on the left and the right outer upper side of the magazine. The slot is provided with a movable magazine. The rear end of the movable magazine is provided with a handle, and the movable magazine is connected with the handle by a screw. The insert is embedded above the guide plate; the front end of the guide plate is provided with a nail head and a cover plate. The clip is left and the clip is rightly screwed together, and the cover, the nail head and the clip left and the clip are rightly screwed. The left front part of the magazine is provided with a coil spring core, and a coil spring is arranged thereon, and the other end of the coil spring is connected to the head; the head is located on the guide plate, and the two sides extend into the guide plate and the clip left, and the clip is right In the groove formed; the head is located at one side of the coil spring and has two inwardly bent hook shapes. The lower part of the guide plate is provided with a groove on the left side of the clip, and the inside of the clip is provided with a hook-shaped portion. Into the second two. The movable clip is located at the front end and the rear end of the left side of the clip, and is provided with a positioning block. a protective seat is disposed on the cover plate;

1

Confirmation There is a bottom plate on the surface. The left rear part of the magazine is provided with a counterbore, and the position pin is set inside. The casing is divided into an upper cavity, a middle cavity and a lower cavity; a poppet valve is arranged in the casing; a cylinder liner, a piston assembly and a cushion pad are arranged in the lower cavity of the casing; a cylinder head is arranged above the casing, and one side is provided There are handles. The lower end of the poppet valve is flared, and the mouth is provided with a 0-shaped seal ring; the middle of the poppet valve is provided with a step, and the step is provided with a striking cover assembly; the upper part of the poppet valve extends into the striking cover assembly; The upper end of the valve is provided with an annular groove, and two semi-circular limit blocks are arranged therein, and a wire clamp is fixed to limit the relative movement of the poppet valve and the striking cover assembly; the poppet valve is provided with a hole, a radial direction The direction is provided with a small hole communicating with the inner cavity of the housing. The piston rod is disposed in the poppet valve, and a piston sleeve is disposed at an upper end of the piston rod, and a small cavity is formed inside the poppet valve. An anvil cover is disposed on the striking cover assembly. The piston rod is provided with a small elongated hole, and the lower end of the hole is provided with a small hole in the radial direction to communicate with the outside. The cavity in the housing communicates with the handle. A step is provided on the cross section of the needle on the piston assembly. A pipe joint is arranged under the handle. Each sealing portion of the floor gun is provided with an o-shaped sealing ring.

The right side of the magazine, the left side of the magazine and the guide plate form a different nailing groove on both sides of the guide plate.

A step is provided on the cross section of the needle on the piston assembly.

The nail head is provided with a nail groove having a different left and right width.

When a U-shaped nail is needed, the handle is pulled backward, the movable magazine moves backward, and the positioning pin enters the positioning hole of the positioning block at the front of the movable magazine; the nail 3⁄4: into the magazine, the nails extend into the foot The left side of the magazine, the right side of the magazine and the two slots formed by the guide plate; push the handle forward, and the positioning pin enters the positioning hole of the positioning block at the rear of the movable magazine; under the action of the coil spring, the nail is pushed by the head , Always forward until the front end is blocked by the cover. When an L-shaped nail is required, open the movable magazine, place the nail into the wide groove formed by the guide plate and the right side of the magazine, close the movable magazine, and the nail is filled.

When nailing, insert the gun nail into the magazine, connect the air connector, and align the nozzle to the part that needs to be nailed; hit the anvil head with the hammer, move the cover assembly downward, push the poppet downward, and lift Valve and The seal between the housings opens and the high pressure gas in the cavity enters the piston assembly. Push the piston assembly to move down and nail, and the nail can be driven into the part that needs to be nailed.

When the poppet valve is not hit by the hammer, the external force is removed, the high pressure gas in the cavity causes it to always move upward, and the lower part is sealed with the casing, and the high pressure gas cannot enter the piston assembly; the high pressure gas above the piston assembly is from the piston The small hole in the lower part of the rod enters the straight hole and is discharged from the small hole of the cylinder head. At the same time, the high-pressure gas enters the cavity outside the piston rod from the small hole in the lower part of the poppet valve, and drives the piston assembly to move upward to return to the initial position.

The utility model is economical and practical, compact in structure, convenient to use, safe and reliable.

The utility model will be further described below in conjunction with the accompanying drawings and embodiments:

Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6: Schematic diagram of the utility model embodiment; Figure 7: Stereoscopic view of the needle;

Figure 8: Schematic diagram of the shape of the nail head;

Figure 9: A perspective exploded view of the slab gun clip.

A dual-purpose floor gun, consisting of a casing (2), a handlebar (1), a magazine left (25), a magazine clamp right (29), a guide plate (23), a molding strip (27), and a molding strip (24) ), movable magazine (28), head (26), nail head (17), cover plate (16), protection seat (15), coil spring (22), coil spring core (21), piston assembly (12 ), cover (3), cushion (14), anvil cover (4), impact cover assembly (6), poppet valve (7), positioning pin (31), positioning block (32), handle (30), The bottom plate (18), the pipe joint (13), the O'-shaped seal ring and the like. The utility model is characterized in that: two U-shaped and L-shaped floor nails can be loaded at the same time. The guide plate (23) is located between the left side of the magazine (25) and the right side of the magazine (29); the right side of the magazine (29) is located on the side of the guide plate (23) - a step is provided, and the guide plate (23) Forming a wide groove 34) with the right clamp (29) for loading the L-shaped nail; the guide plate (23) is provided with a step on the left (25) side of the magazine, and the guide plate (23) A narrow groove (33) is also formed with the clip left (25). The upper left (25) of the magazine and the upper right side of the magazine (29) are respectively provided with a corresponding slot, and the slot is provided with a movable magazine (28); the movable magazine (28) The back end is provided with a handle (30), and the movable magazine (28) and the handle (30) are screwed. The molding strip (27) is embedded above the guiding plate (23); the front end of the guiding plate (23) is provided with a nail head (17) and a cover plate (16). The clip left ( ²⁵ ) and the clip right (29) are screwed together, and the cover (16), the nail head (17) and the clip left (25) and the clip right ( ² 9) are screwed together. . The left side of the magazine (25) is provided with a coil spring core (21), and a coil spring (22) is disposed thereon, and the other end of the coil spring (2 is connected to the head (26); the head (26) is located On the guide plate (23), both sides extend into the groove formed by the guide plate (23) and the left (25) of the magazine and the right (29) of the magazine; the head (26) is located at the lower side of the coil spring (22). Two hooks in the inner corner, the lower part of the guide plate (23) is located on the left (25) side of the clip, and is provided with a groove, and the inside of the guide plate (24) is provided with a hook-shaped portion of the plug (26). In the second item (24), the movable magazine (28) is located at the left (25) side of the magazine, and the front end and the rear end are respectively provided with positioning blocks (32). The cover plate (16) is provided with a protection seat ( 15); the bottom surface of the magazine is provided with a bottom plate (18). The left side of the magazine is provided with a counterbore at the rear of the left (25), and the position pin (31) is set inside. The casing (2) is divided into an upper chamber. , the middle chamber and the lower chamber; a lifting valve (7) is arranged in the housing (2); a cylinder sleeve (11), a piston assembly (12) and a cushion (14) are arranged in the lower chamber of the housing (2); a cover (3) is arranged above the casing (2), and a handle (1) is provided on one side. The lower end of the poppet valve (7) is flared, and the mouth is provided with a 0-shaped seal ring; the middle of the poppet valve (7) Steps, steps a striking cover assembly (6) is provided; an upper portion of the poppet valve (7) extends into the striking cover assembly (6); an upper end of the poppet valve (7) is provided with an annular groove, and two semicircular shapes are provided therein. a limiting block (19), and is provided with a wire clamp (20) fixed to limit the relative movement of the poppet valve (7) and the striking cover assembly (6); the poppet valve (7) is provided with a hole, a radial direction The direction is provided with a small hole communicating with the inner cavity of the casing. The piston rod is disposed in the poppet valve (7), the upper end of the piston rod is provided with a piston sleeve (5), and a small type is formed inside the poppet valve (7). The impact cover assembly (6) is provided with an anvil sleeve (4). The piston rod (8) is provided with a small elongated hole, and the lower end of the hole is provided with a small hole in the radial direction and communicates with the outside through the housing ( 2) The middle cavity communicates with the handlebar (1). A step is provided on the cross section of the needle on the piston assembly (12). A pipe joint (13) is arranged under the handle (1). Each seal of the gun is provided with an O-ring seal.

The above clip (29), the clip left (25) and the guide plate (23) form a width on both sides of the guide plate (23). Different nailing slots.

A step is provided on the cross section of the needle on the piston assembly (12).

The nail heads (17) are provided with over-nail grooves (33) and (34) having different left and right widths.

When a U-shaped nail is required, the handle (30) is pulled back, the movable magazine (28) moves backward, and the positioning pin (31) enters the positioning hole of the positioning block (32) at the front of the movable magazine (28). Put the nail into the magazine, and put the two legs into the two slots (33) and (34) formed by the left (25) of the magazine, the right (29) of the magazine and the guide plate (23); (30), the positioning pin (31) can enter the positioning hole of the positioning block (32) at the rear of the movable magazine (28); under the action of the coil spring (22), the nail is pushed by the head (26), always Move forward until the front end is blocked by the cover (16). When an L-shaped nail is required, open the movable magazine (28), place the nail into the wide groove (34) formed by the guide plate (23) and the right clamp (29), and close the movable magazine (28). Then the nail is filled.

When nailing, insert the gun nail into the magazine, connect the air connector, and point the gun nozzle to the part that needs to be nailed; hit the anvil head cover (4) with the hammer head, and move the cover assembly (6) downward to push the lift. The valve (7) moves downward, the seal between the poppet valve (7) and the housing (2) opens, and the high pressure gas in the cavity enters the piston assembly (12). Push the piston assembly (12) to move down and nail, and the nail can be driven into the part that needs to be nailed.

When the poppet valve (7) is not hit by the hammer, the external force is removed, the high pressure gas in the cavity causes it to always move upward, and the lower part is sealed with the casing (2), and the high pressure gas cannot enter the piston assembly (12); The high pressure gas above the piston assembly (12) enters the straight hole from the small hole in the lower part of the piston rod (8) and is discharged from the small hole of the cover (3); at the same time, the high pressure gas enters the piston from the small hole in the lower part of the poppet valve (7). Inside the cavity outside the rod (8), the piston assembly (12) is moved upward to return to the initial position.

Claims

Claim

1. A dual-purpose floor slab gun, consisting of a casing (2), a handlebar (1), a magazine left (25), a magazine clamp right (29), a guide plate (23), a molding strip (27), a molding strip Two (24), movable magazine (28), head (26), nail head (Π), cover plate (16), protection seat (15), coil spring (22), coil spring core (21), total piston (12), cover ( ³ ), cushion (14), anvil cover (4), impact cover assembly (6), poppet valve (7), positioning pin (31), positioning block (32), handle ( 30), the bottom plate (18), the pipe joint (13), the 密封-shaped seal ring and the like. The utility model is characterized in that: two U-shaped and L-shaped floor nails can be loaded at the same time. The guide plate (23) is located between the left side of the magazine (25) and the right side of the magazine (29); the right side of the magazine (29) is located on the side of the guide plate (23) with a step, the guide plate (23) Forming a wide groove 34) with the right clamp (29) for loading the L-shaped nail; the guide plate (23) is provided with a step on the left (25) side of the magazine, and the guide plate (23) A narrow groove (33) is also formed with the clip left (25). The upper left (25) of the magazine and the upper right side of the magazine (29) are respectively provided with a corresponding slot, and the slot is provided with a movable magazine (28); the rear end of the movable magazine (28) is provided with a handle ( 30), the movable magazine (28) and the handle (30) are screwed. The molding strip (27) is embedded above the guiding plate (23); the front end of the guiding plate (23) is provided with a nail head (17) and a cover plate (16). The clip left (25) and the clip right (29) are screwed together, and the cover (16), the nail head (17) and the clip left (25) and the clip right (29) are screwed. a spring core (21) is disposed on a front portion of the left (25) of the magazine, a coil spring (22) is disposed thereon, and the other end of the coil spring (22) is coupled to the plug (26); the head (26) It is located on the guide plate (23), and both sides extend into the groove formed by the guide plate (23) and the left (25) of the magazine and the right (29) of the magazine; the head (26) is located at the lower side of the coil spring (22). There are two inwardly bent hook shapes, and the lower part of the guide plate (23) is located on the left (25) side of the clip, and is provided with a groove, and the inside of the guide plate (24) is provided with a hook-shaped portion of the plug (26). Insert 2 (24). The movable magazine (28) is located at the left (25) side of the magazine - the front end and the rear end are each provided with a positioning block (32). The cover plate (16) is provided with a protection seat (15); the bottom surface of the magazine is provided with a bottom plate (18). The rear part of the left side of the magazine (25) is provided with a counterbore, and the position pin (31) is set inside. The housing (2) is divided into an upper chamber, a middle chamber and a lower chamber; the housing (2) is provided with a lifting width (7); A cylinder liner (11), a piston assembly (12) and a cushion pad (14) are arranged in the lower chamber of the casing ( ² ); a cover (3) is arranged above the casing ( ² ), and a handle is provided on one side (1) ). The lower end of the poppet valve (7) is flared, and an O-ring is arranged at the mouth; a step is arranged in the middle of the poppet valve (7), and a striking cover assembly (6) is arranged on the step; the poppet valve (7) The upper part protrudes into the striking cover assembly (6); the upper end of the poppet valve (7) is provided with an annular groove, and two semi-circular limiting blocks (19) are arranged therein, and a wire retaining ring (20) is fixed. The relative movement of the poppet valve (7) and the striking cover assembly (6) is restricted; the poppet valve (7) is provided with a hole, and a radial hole is provided in the radial direction to communicate with the inner cavity of the casing. The piston rod is disposed in a poppet valve (7), and a piston sleeve (5) is disposed at an upper end of the piston rod, and a small cavity is formed inside the poppet valve (7). An anvil cover (4) is disposed on the striking cover assembly (6). The piston rod (8) is provided with a small elongated hole, and the lower end of the hole is provided with a small hole in the radial direction to communicate with the outside. The cavity of the casing (2) communicates with the handle (1). A step is provided on the cross section of the needle on the piston assembly (12). A pipe joint (13) is arranged below the handle (1). Each sealing portion of the floor gun is provided with a 0-shaped sealing ring.

2. The right clip (29), the left clip (25) and the guide plate (23) of the clip are formed with different nail slots on both sides of the guide plate (23).

3. Steps are provided on the needle section of the above piston assembly (12).

4. The nail heads (17) are provided with over-nail slots (33) and (34) having different left and right widths.