CN210847501U

CN210847501U - Pneumatic rust removing shovel

Info

Publication number: CN210847501U
Application number: CN201921859113.1U
Authority: CN
Inventors: 庄世良
Original assignee: Ningbo Xinxing Pneumatic Goods Co ltd
Current assignee: Ningbo Xinxing Pneumatic Goods Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-26
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a pneumatic rust cleaning shovel, including the casing, the casing rear end is connected with the tailstock, is provided with trigger and air inlet joint on this tailstock, the tailstock on assemble with trigger matched with open and close valve, the axial is provided with the cylinder in the casing, the axial is provided with the piston in the cylinder, be provided with the chuck in the front portion of casing, in the chuck assemble with piston matched with kicking block, the anterior overcoat of casing are equipped with the sleeve pipe of a front end throat, the intraductal rust cleaning needle file that is provided with and kicking block matched with of cover, are equipped with the rust cleaning needle on this rust cleaning needle file, the afterbody of rust cleaning needle is provided with the mound head portion, be provided with on the rust cleaning needle file with the assembly chamber of mound head portion looks adaptation, be provided with the spring between sheathed tube throat and the rust cleaning needle file, be. The utility model has the advantages that: reasonable structure, long service life and small shaking of the head of the derusting needle.

Description

Pneumatic rust removing shovel

Technical Field

The utility model belongs to the technical field of pneumatic tool makes technique and specifically relates to indicate a pneumatic rust cleaning shovel.

Background

The hardware tool is a classification of tool industry, and mainly comprises a manual tool, an electric tool, a pneumatic tool and the like according to different power sources, wherein a pneumatic rust removing shovel is one of the pneumatic tools, and the pneumatic rust removing shovel uses compressed air as power to enable a piston inside the pneumatic rust removing shovel to reciprocate and hit a rust removing needle to vibrate the rust removing needle so as to finish rust removing operation.

Because the piston inside the pneumatic rust removing shovel reciprocates to generate vibration force in the working process, the rust removing needle is in a vibration state in the operation process of the pneumatic rust removing shovel, and the head of the rust removing needle is severely shaken due to the defects of the structural design of the conventional pneumatic rust removing shovel, so that the rust removing quality is influenced; in addition, the shaking of the rust removing needle can also cause the abrasion of the rust removing needle to be aggravated, and the service life of the rust removing needle is influenced, so that the structure of the existing pneumatic rust removing shovel needs to be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem that to the current situation of prior art, provide a pneumatic rust cleaning shovel rational in infrastructure, long service life, rust cleaning needle head shake is little.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a pneumatic rust cleaning shovel, including the casing, the casing rear end is connected with the tailstock, is provided with trigger and air inlet joint on this tailstock, the tailstock on assemble with trigger matched with open and close valve, the axial is provided with the cylinder in the casing, the axial is provided with the piston in the cylinder, be provided with the chuck in the front portion of casing, the chuck in assemble with piston matched with impact block, the anterior overcoat of casing is equipped with the sleeve pipe of a front end throat, the intraductal rust cleaning needle file that is provided with impact block matched with that is intraductal, the assembly rust cleaning needle file is equipped with the rust cleaning needle, the afterbody of rust cleaning needle is provided with the mound head portion, be provided with on the rust cleaning needle file with the assembly chamber of mound head portion looks adaptation, be provided with the spring between sheathed tube throat and the.

The optimized technical measures further comprise:

the valve seat assembly comprises a valve seat front cover, a valve seat rear cover, a valve plate and a valve seat pin, wherein the valve seat front cover and the valve seat rear cover are connected through the valve seat pin, and the valve plate is arranged between the valve seat front cover and the valve seat rear cover.

The opening and closing valve is arranged on the tailstock in a penetrating mode, a compression screw is arranged on the tailstock, an opening and closing valve spring is arranged between the upper end of the opening and closing valve and the compression screw, the lower end of the opening and closing valve extends out of the tailstock to be matched with the trigger, and one end of the trigger is hinged to the tailstock.

The chuck is fixed with the shell through the chuck fixing block, and a cushion pad is arranged between the chuck fixing block and the shell.

And snap rings are arranged outside the chuck fixing block and the buffer pad.

The section of the impact block is of a T-shaped structure.

The front part of the tailstock is provided with a locking ring.

The pneumatic rust removing shovel has a reasonable structure, the tail part of the rust removing needle is provided with the pier head part, and the rust removing needle seat is provided with the assembly cavity matched with the pier head part, so that the installation of the rust removing needle is more stable, the abrasion of the rust removing needle can be effectively reduced, and the service life of the rust removing needle is prolonged; the front end of the sleeve adopts a necking design, so that the gap between the periphery of the rust removing needle and the inner wall of the sleeve is reduced, the shaking of the rust removing needle can be reduced, and the rust removing quality is improved.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an exploded schematic view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, the structure of the present invention is schematically illustrated,

wherein the reference numerals are: the rust removing device comprises a shell 1, a tailstock 2, a trigger 21, an air inlet joint 22, a locking ring 23, an opening and closing valve 3, a compression screw 31, an opening and closing valve spring 32, a cylinder 4, a piston 41, a chuck 5, an impact block 51, a chuck fixing block 52, a buffer cushion 53, a retaining ring 54, a sleeve 6, a rust removing needle 7, a pier head part 7a, a rust removing needle seat 71, a spring 72, a valve seat front cover 81, a valve seat rear cover 82, a valve plate 83 and a valve seat pin 84.

As shown in figures 1 to 3 of the drawings,

a pneumatic rust removing shovel comprises a shell 1, wherein the rear end of the shell 1 is connected with a tailstock 2, the tailstock 2 is provided with a trigger 21 and an air inlet joint 22, the tailstock 2 is provided with an opening and closing valve 3 matched with the trigger 21, the shell 1 is internally and axially provided with an air cylinder 4, the air cylinder 4 is internally and axially provided with a piston 41, the front part of the shell 1 is internally provided with a chuck 5, the chuck 5 is internally and internally provided with an impact block 51 matched with the piston 41, the front part of the shell 1 is externally sleeved with a sleeve 6 with a front end necking, the sleeve 6 is internally provided with a rust removing needle seat 71 matched with the impact block 51, the rust removing needle seat 71 is provided with a rust removing needle 7, the tail part of the rust removing needle 7 is provided with a pier head part 7a, the rust removing needle seat 71 is provided with an assembly cavity matched with the pier head part 7a, a spring 72 is arranged between the necking of the sleeve 6 and the rust removing needle seat 71, and a valve seat assembly is arranged between the cylinder 4 and the tail seat 2 in the shell 1.

In the embodiment, the valve seat assembly includes a valve seat front cover 81, a valve seat rear cover 82, a valve sheet 83, and a valve seat pin 84, the valve seat front cover 81 and the valve seat rear cover 82 are connected by the valve seat pin 84, and the valve sheet 83 is disposed between the valve seat front cover 81 and the valve seat rear cover 82.

In the embodiment, the open-close valve 3 is arranged on the tailstock 2 in a penetrating way, a compression screw 31 is arranged on the tailstock 2, an open-close valve spring 32 is arranged between the upper end of the open-close valve 3 and the compression screw 31, the lower end of the open-close valve 3 extends out of the tailstock 2 and is matched with the trigger 21, and one end of the trigger 21 is hinged on the tailstock 2.

When the trigger 21 is pushed toward the housing 1, the opening/closing valve 3 is opened, the trigger 21 is released, and the opening/closing valve 3 is returned by the opening/closing valve spring 32.

In the embodiment, the clip 5 is fixed to the housing 1 by a clip fixing block 52, and a cushion 53 is provided between the clip fixing block 52 and the housing 1. The cushion pad 53 can reduce the transmission of vibration and reduce the vibration sensation of the hand.

In the embodiment, a retaining ring 54 is arranged outside the clamping head fixing block 52 and the buffer cushion 53.

In the embodiment, the impact block 51 has a T-shaped cross section.

In the embodiment, the front part of the tailstock 2 is fitted with a locking ring 23.

The working principle is as follows:

compressed air is connected from the air inlet connector 22, the trigger 21 is pressed, the trigger 21 drives the opening and closing valve 3 to be opened, the compressed air enters the valve seat rear cover 82 of the valve seat assembly through the opening and closing valve 3, the valve piece 83 is pushed to move towards the valve seat front cover 81 by air pressure, air flow enters the air cylinder 4 through a gap between the valve seat front cover 81 and the valve piece 83, the piston 41 in the air cylinder 4 is pushed to move repeatedly, the piston 41 impacts the impact block 51, the impact block 51 impacts the rust removing needle seat 71, and finally the rust removing needle 7 on the rust removing needle seat 71 is driven to vibrate.

In the pneumatic rust removing shovel of the utility model, the tail part of the rust removing needle 7 is provided with the pier head part 7a, the rust removing needle seat 71 is provided with the assembly cavity matched with the pier head part 7a, the assembly of the rust removing needle 7 is more stable through the matching of the pier head part 7a and the assembly cavity, the abrasion of the rust removing needle 7 can be reduced, and the service life of the rust removing needle is prolonged; the front end of the sleeve 6 outside the rust removing needle 7 starts to be in a necking structure, so that the gap between the peripheral rust removing needle 7 and the inner wall of the sleeve 6 is reduced, the shaking of the head of the rust removing needle 7 can be effectively reduced, and the rust removing quality is improved.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a pneumatic rust cleaning shovel, including casing (1), characterized by: the rear end of the shell (1) is connected with a tailstock (2), a trigger (21) and an air inlet connector (22) are arranged on the tailstock (2), an opening and closing valve (3) matched with the trigger (21) is assembled on the tailstock (2), a cylinder (4) is axially arranged in the shell (1), a piston (41) is axially arranged in the cylinder (4), a chuck (5) is arranged in the front part of the shell (1), an impact block (51) matched with the piston (41) is assembled in the chuck (5), a sleeve (6) with a front end necking is sleeved outside the front part of the shell (1), a rust removing needle seat (71) matched with the impact block (51) is arranged in the sleeve (6), a rust removing needle (7) is assembled on the rust removing needle seat (71), and a pier head part (7a) is arranged at the tail part of the rust removing needle (7), the rust removing needle base (71) is provided with an assembly cavity matched with the pier head part (7a), a spring (72) is arranged between the necking of the sleeve (6) and the rust removing needle base (71), and a valve seat assembly is arranged between the cylinder (4) and the tail seat (2) in the shell (1).

2. The pneumatic rust removing shovel as claimed in claim 1, characterized in that: the valve seat assembly comprises a valve seat front cover (81), a valve seat rear cover (82), a valve plate (83) and a valve seat pin (84), the valve seat front cover (81) and the valve seat rear cover (82) are connected through the valve seat pin (84), and the valve plate (83) is arranged between the valve seat front cover (81) and the valve seat rear cover (82).

3. A pneumatic rust removing shovel as claimed in claim 2, characterized in that: the on-off valve (3) is arranged on the tailstock (2) in a penetrating mode, a compression screw (31) is arranged on the tailstock (2), an on-off valve spring (32) is arranged between the upper end of the on-off valve (3) and the compression screw (31), the lower end of the on-off valve (3) extends out of the tailstock (2) to be matched with the trigger (21), and one end of the trigger (21) is hinged to the tailstock (2).

4. A pneumatic rust removing shovel as claimed in claim 3, characterized in that: the clamping head (5) is fixed with the shell (1) through a clamping head fixing block (52), and a cushion pad (53) is arranged between the clamping head fixing block (52) and the shell (1).

5. The pneumatic rust removing shovel as claimed in claim 4, characterized in that: and a retaining ring (54) is arranged outside the chuck fixing block (52) and the buffer pad (53).

6. The pneumatic rust removing shovel as claimed in claim 5, characterized in that: the cross section of the impact block (51) is of a T-shaped structure.

7. The pneumatic rust removing shovel as claimed in claim 6, characterized in that: the front part of the tailstock (2) is provided with a locking ring (23).