CN210819413U - Gun type pneumatic shovel - Google Patents
Gun type pneumatic shovel Download PDFInfo
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- CN210819413U CN210819413U CN201921857877.7U CN201921857877U CN210819413U CN 210819413 U CN210819413 U CN 210819413U CN 201921857877 U CN201921857877 U CN 201921857877U CN 210819413 U CN210819413 U CN 210819413U
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Abstract
The utility model discloses a gun type pneumatic shovel, including gun type shell, be provided with trigger and air inlet joint on the gun type shell, the trigger is connected with the open and close valve in the gun type shell, the built-in cylinder adapter sleeve that is equipped with of gun type shell, be provided with the cylinder blotter between this cylinder adapter sleeve and the gun type shell, the equipment has the cylinder on the cylinder adapter sleeve, the axial is provided with the piston in the cylinder, the front end of cylinder is connected with the chuck that is used for fixed spiller, the rear end of cylinder is provided with the piston blotter, be provided with the impact isolator between the outer wall of cylinder and the gun type shell, the rear end of cylinder with be provided with the valve seat subassembly between the cylinder adapter sleeve. The utility model has the advantages that: the structure is reasonable, the buffering effect is achieved through the cylinder buffering cushion and the piston buffering cushion, the vibration caused by the repeated motion of the piston is absorbed, and the transmission of the vibration to the handheld part is reduced; through the setting of assaulting the isolator, reduce and assault the transmission, can obviously reduce the sense of vibration of user's hand.
Description
Technical Field
The utility model belongs to the technical field of pneumatic tool makes and specifically relates to indicate a gun type air 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 shovel is one of the pneumatic tools, and the pneumatic shovel uses compressed air as power to enable a piston inside the pneumatic shovel to reciprocate and strike a shovel blade, so that chiseling operation on metal and building materials is realized.
Because pneumatic shovel is at the course of the work, its inside piston reciprocating motion and produce the vibrational force, present pneumatic shovel use, the sense of vibration of hand is strong, and the live time is one long, and the hand has numb sense, causes user's use to experience not good, consequently, the structure of current pneumatic shovel needs further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, provide a gun type pneumatic shovel rational in infrastructure, hand vibration sense is little.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a rifle type pneumatic shovel, including rifle type shell, be provided with trigger and air inlet connector on the rifle type shell, the trigger is connected with the open and close valve in the rifle type shell, be equipped with the cylinder adapter sleeve in the rifle type shell, be provided with the cylinder blotter between this cylinder adapter sleeve and the rifle type shell, be equipped with the cylinder on the cylinder adapter sleeve, the axial is provided with the piston in the cylinder, the front end of cylinder is connected with the chuck that is used for fixed spiller, the rear end of cylinder is provided with the piston blotter, be provided with the impact isolator between the outer wall of cylinder and the rifle type shell, the rear end of cylinder with be provided with valve seat subassembly between the cylinder adapter sleeve.
The optimized technical measures further comprise:
the valve seat assembly comprises a valve seat front cover and a valve seat rear cover, and a valve plate is arranged between the valve seat front cover and the valve seat rear cover.
An opening and closing valve spring is arranged between the opening and closing valve and the air inlet joint, and an oil seal is arranged between the opening and closing valve and the gun type shell.
A speed-regulating rotating button is arranged between the outer wall of the air inlet joint and the gun type shell, a positioning spring is embedded in the air inlet joint, and a steel ball is arranged between the positioning spring and the speed-regulating rotating button.
The front end of the gun-type shell is provided with a locking nut, and the inner end of the locking nut abuts against the impact isolator.
And a cylinder lining ring is arranged outside the cylinder.
The gun-type shell is provided with a sheath outside the handheld part and a raised line outside the sheath.
The gun type pneumatic shovel of the utility model has reasonable structure, and the cylinder cushion pad is arranged between the cylinder connecting sleeve and the gun type shell, and the piston cushion pad is arranged at the rear end of the cylinder, thereby playing a role of buffering, absorbing the vibration caused by the repeated motion of the piston and reducing the transmission of the vibration to the handheld part; be provided with between the outer wall of cylinder and the rifle formula shell and strike the isolator, reduce and strike the transmission, can obviously reduce the sense of shaking of user's hand.
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 device comprises a gun type shell 1, a trigger 11, an air inlet joint 12, an opening and closing valve 13, an opening and closing valve spring 14, an oil seal 15, a lock nut 16, a cylinder connecting sleeve 2, a cylinder buffer cushion 21, a cylinder 3, a piston 31, a piston buffer cushion 32, an impact isolator 33, a cylinder lining ring 34, a chuck 4, a valve seat front cover 51, a valve seat rear cover 52, a valve plate 53, a speed regulation rotating knob 6, a positioning spring 61, a steel ball 62, a sheath 7 and a convex strip 71.
As shown in figures 1 to 3 of the drawings,
the utility model provides a gun type pneumatic shovel, including gun type shell 1, be provided with trigger 11 and air inlet joint 12 on gun type shell 1, trigger 11 is connected with the opening and closing valve 13 in the gun type shell 1, be equipped with cylinder adapter sleeve 2 in the gun type shell 1, be provided with cylinder blotter 21 between this cylinder adapter sleeve 2 and the gun type shell 1, be equipped with cylinder 3 on the cylinder adapter sleeve 2, the axial is provided with piston 31 in the cylinder 3, the front end of cylinder 3 is connected with the chuck 4 that is used for fixed spiller, the rear end of cylinder 3 is provided with piston blotter 32, be provided with impact isolator 33 between the outer wall of cylinder 3 and the gun type shell 1, the rear end of cylinder 3 with be provided with the valve seat subassembly between the cylinder adapter sleeve 2.
In the embodiment, the valve seat assembly includes a valve seat front cover 51 and a valve seat rear cover 52, and a valve plate 53 is disposed between the valve seat front cover 51 and the valve seat rear cover 52.
In the embodiment, an opening and closing valve spring 14 is provided between the opening and closing valve 13 and the intake joint 12, and an oil seal 15 is provided between the opening and closing valve 13 and the gun type housing 1.
In the embodiment, a speed regulation knob 6 is arranged between the outer wall of the air inlet joint 12 and the gun type shell 1, a positioning spring 61 is embedded in the air inlet joint 12, and a steel ball 62 is arranged between the positioning spring 61 and the speed regulation knob 6.
The speed regulation knob 6 adjusts the vibration speed by adjusting the opening size of the airflow passage, the arrangement of the positioning spring 61 and the steel ball 62 can improve the hand feeling during adjustment, and when the speed regulation knob 6 is rotated, every time a gear is adjusted, a 'click' sound is given out.
In the embodiment, the front end of the gun housing 1 is provided with a lock nut 16, and the inner end of the lock nut 16 abuts against the impact isolator 33.
In the embodiment, a cylinder liner 34 is provided outside the cylinder 3.
In the embodiment, the sheath 7 is provided outside the grip portion of the gun type case 1, and the convex strip 71 is provided outside the sheath 7. The sheath 7 can further play a role of vibration absorption, and the convex strips 71 can increase the friction force on the surface of the sheath 7 and play a role of skid resistance.
The working principle is as follows:
compressed air is connected from the air inlet joint 12, the trigger 11 is pressed, the trigger 11 drives the opening and closing valve 13 to be opened, the compressed air enters the valve seat rear cover 52 of the valve seat assembly through the opening and closing valve 13, the valve piece 53 is pushed by air pressure to move towards the valve seat front cover 51, air flow enters the air cylinder 3 through a gap between the valve seat front cover 51 and the valve piece 53, the piston 31 in the air cylinder 3 is pushed to move repeatedly, and finally the scraper knife fixed on the chuck 4 is driven to vibrate under the impact of the piston 31.
When the piston 31 makes repeated movement, the piston buffer pad 32 behind the piston 31 can play a role in buffering and absorbing vibration; part of the impact force of the piston 31 is transmitted to the cylinder connecting sleeve 2, and the cylinder cushion 21 behind the cylinder connecting sleeve 2 also plays a role in buffering and absorbing vibration. Still be provided with impact isolator 33 between the outer wall of cylinder 3 and gun type shell 1, reduce the impact transmission, can obviously reduce the sense of shaking of user's hand.
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 (7)
1. The utility model provides a rifle type pneumatic shovel, including rifle type shell (1), rifle type shell (1) on be provided with trigger (11) and air inlet connector (12), trigger (11) be connected with opening and closing valve (13) in rifle type shell (1), characterized by: gun type shell (1) in be equipped with cylinder adapter sleeve (2), be provided with cylinder blotter (21) between this cylinder adapter sleeve (2) and gun type shell (1), cylinder adapter sleeve (2) on be equipped with cylinder (3), cylinder (3) in the axial be provided with piston (31), the front end of cylinder (3) be connected with chuck (4) that are used for fixed spiller, the rear end of cylinder (3) be provided with piston blotter (32), the outer wall of cylinder (3) and gun type shell (1) between be provided with impact isolator (33), the rear end of cylinder (3) with be provided with the disk seat subassembly between cylinder adapter sleeve (2).
2. The gun-type pneumatic shovel of claim 1, further comprising: the valve seat assembly comprises a valve seat front cover (51) and a valve seat rear cover (52), and a valve plate (53) is arranged between the valve seat front cover (51) and the valve seat rear cover (52).
3. The gun-type pneumatic shovel of claim 2, further comprising: an opening and closing valve spring (14) is arranged between the opening and closing valve (13) and the air inlet joint (12), and an oil seal (15) is arranged between the opening and closing valve (13) and the gun type shell (1).
4. The gun-type pneumatic shovel of claim 3, wherein: a speed regulation rotating button (6) is arranged between the outer wall of the air inlet joint (12) and the gun type shell (1), a positioning spring (61) is embedded in the air inlet joint (12), and a steel ball (62) is arranged between the positioning spring (61) and the speed regulation rotating button (6).
5. The gun-type pneumatic shovel of claim 4, further comprising: the front end of the gun type shell (1) is provided with a lock nut (16), and the inner end of the lock nut (16) is abutted against the impact isolator (33).
6. The gun-type pneumatic shovel of claim 5, further comprising: and a cylinder lining ring (34) is arranged outside the cylinder (3).
7. The gun-type pneumatic shovel of claim 6, further comprising: a protective sleeve (7) is arranged outside the handheld part of the gun type shell (1), and a convex strip (71) is arranged outside the protective sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857877.7U CN210819413U (en) | 2019-10-31 | 2019-10-31 | Gun type pneumatic shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857877.7U CN210819413U (en) | 2019-10-31 | 2019-10-31 | Gun type pneumatic shovel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210819413U true CN210819413U (en) | 2020-06-23 |
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ID=71275552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921857877.7U Active CN210819413U (en) | 2019-10-31 | 2019-10-31 | Gun type pneumatic shovel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210819413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290845A (en) * | 2021-12-31 | 2022-04-08 | 宁波飞驹工具有限公司 | Heavy pneumatic engraving device |
| TWI773459B (en) * | 2021-07-26 | 2022-08-01 | 銳力工業股份有限公司 | Anti-vibration device for air tools |
-
2019
- 2019-10-31 CN CN201921857877.7U patent/CN210819413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI773459B (en) * | 2021-07-26 | 2022-08-01 | 銳力工業股份有限公司 | Anti-vibration device for air tools |
| CN114290845A (en) * | 2021-12-31 | 2022-04-08 | 宁波飞驹工具有限公司 | Heavy pneumatic engraving device |
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