CN210702702U - Handheld pneumatic drill - Google Patents
Handheld pneumatic drill Download PDFInfo
- Publication number
- CN210702702U CN210702702U CN201921623995.1U CN201921623995U CN210702702U CN 210702702 U CN210702702 U CN 210702702U CN 201921623995 U CN201921623995 U CN 201921623995U CN 210702702 U CN210702702 U CN 210702702U
- Authority
- CN
- China
- Prior art keywords
- pneumatic
- guide channel
- air
- air guide
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000009423 ventilation Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Landscapes
- Drilling And Boring (AREA)
Abstract
The utility model discloses a hand-held pneumatic drill, which comprises a pneumatic drill body, wherein a pneumatic motor is arranged in the shell of the pneumatic drill body, the rotating shaft of the pneumatic motor is connected with a transmission shaft, and the front end of the transmission shaft extending out of the pneumatic drill body is fixedly connected with a drill chuck; an air guide channel is arranged in the handheld part of the air drill body, the upper end of the air guide channel is connected with an air inlet pipe of the pneumatic motor, a transverse piston pipe is arranged on the air guide channel, two pistons are arranged in the piston pipe, and a piston rod penetrates through a movable pipeline to be connected with a button arranged on the handheld part; the lower end of the air guide channel is connected with a connector arranged at the bottom end of the handheld part. The scheme utilizes the compressed air pressure to drive the pneumatic motor to work as the kinetic energy of the pneumatic drill; the sealing performance is good, the sparkless work can be realized, and the safety of the sparkless mine can be embodied by applying to a high gas mine.
Description
Technical Field
The utility model relates to a gas brick technical field, concretely relates to handheld type air drill.
Background
The pneumatic drill is a hand-held pneumatic tool, is mainly used for drilling metal components, and is particularly suitable for drilling thin-wall shell parts and light alloy components such as aluminum magnesium and the like. However, the existing pneumatic drill has a complex structure and poor sealing performance; because the air drill needs to cut off and ventilate continuously, the condition of air leakage is easy to occur to the air valve for controlling ventilation and air cut-off, and the sealing effect is not good.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides a handheld type air drill that leakproofness is good.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the handheld pneumatic drill comprises a pneumatic drill body, wherein a pneumatic motor is arranged in a shell of the pneumatic drill body, a rotating shaft of the pneumatic motor is connected with a transmission shaft, and the front end of the transmission shaft, which extends out of the pneumatic drill body, is fixedly connected with a drill chuck; an air guide channel is arranged in the handheld part of the air drill body, the upper end of the air guide channel is connected with an air inlet pipe of the pneumatic motor, a transverse piston pipe is arranged on the air guide channel, two pistons are arranged in the piston pipe, the two pistons are both fixed on a piston rod, and a gap is formed between the two pistons; the piston rod penetrates through the movable pipeline and is connected with a button arranged on the handheld part, and the piston rod and the movable pipeline are arranged in a clearance mode; the lower end of the air guide channel is connected with a connector arranged at the bottom end of the handheld part.
Furthermore, the connector is a hollow connecting bolt, the connecting bolt is connected with a threaded hole formed in the bottom of the handheld portion, the connecting bolt is fixedly connected with an air pipe of the inflation device, and the bottom of the threaded hole is communicated with the air guide channel.
Further, the bottom of the threaded hole is provided with a spring.
Further, the button is movably arranged in a clamping groove formed in the handheld portion, a check ring is arranged between the clamping groove and the movable pipeline, the piston rod penetrates through the check ring, and a spring is arranged between the check ring and the button.
The utility model has the advantages that: the scheme utilizes the compressed air pressure to drive the pneumatic motor to work as the kinetic energy of the pneumatic drill; when the electric drill needs to work, the button is pressed down, the two pistons move towards the right side, the air guide channel is opened, compressed air enters the pneumatic motor, and the pneumatic motor works. Two pistons are adopted in the piston tube for air cut-off and ventilation, so that air cannot leak from the piston tube, the sealing performance is good, and the structure is simple; the valve of an electronic device is prevented from being used for ventilation and gas cut-off, sparkless work can be realized, and the valve can be applied to high-gas mines, so that the safety of the high-gas mines is embodied.
The connector is connected to the bottom of the handheld part through threads, so that the connector is convenient to disassemble and assemble, and meanwhile, the spring at the bottom provides resilience force after the connector is assembled, so that the connector is prevented from loosening; the spring between the retainer ring and the button can effectively enable the piston to rebound, and only when the button is pressed, the air guide channel can be opened, so that the use is convenient.
Drawings
Fig. 1 is a structural sectional view of a hand-held air drill.
The drill bit comprises a drill bit chuck 1, a drill bit chuck 2, a transmission shaft 3, a pneumatic motor 4, a piston pipe 5, a piston 6, an air guide channel 7, a spring 8, a threaded hole 9, a connector 10, a piston rod 11, a movable pipeline 12, a retainer ring 13 and a button.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1, the handheld pneumatic drill comprises a pneumatic drill body, a pneumatic motor 3 is fixedly installed in a shell of the pneumatic drill body, a rotating shaft of the pneumatic motor 3 is in threaded connection with a transmission shaft 2, the transmission shaft 2 extends out of the front end of the pneumatic drill body and is fixedly connected with a drill chuck 1, and the transmission shaft 2 is installed in the shell of the pneumatic drill body through a bearing; an air guide channel 6 is arranged in the handheld portion of the air drill body, the upper end of the air guide channel 6 is connected with an air inlet pipe of the pneumatic motor 3, a transverse piston pipe 4 is arranged on the air guide channel 6, and the piston pipe 4 is communicated with the air guide channel 6.
Two pistons 5 are arranged in the piston tube 4, the two pistons 5 are both fixed on the piston rod 10, and a gap is arranged between the two pistons 5; the piston rod 10 penetrates through a movable pipeline 11 to be connected with a button 13 arranged on the handheld part, the size of the movable pipeline 11 is smaller than that of the piston pipe 4, and the piston rod 10 and the movable pipeline 11 are arranged in a clearance mode; the lower end of the air guide channel 6 is connected with a connector 9 arranged at the bottom end of the hand-held part, and the connector 9 is used for being connected with a pipeline for conveying compressed air.
The pneumatic motor 3 is driven to work through compressed air pressure to serve as kinetic energy of the pneumatic drill; when the electric drill needs to work, the button 13 is pressed, the two pistons 5 move towards the right side, the air guide channel 6 is opened, compressed air enters the pneumatic motor 3, and the pneumatic motor 3 works. Two pistons 5 are adopted in the piston tube 4 for air cut-off and ventilation, so that the sealing performance is good, and the structure is simple; the valve of an electronic device is prevented from being used for ventilation and gas cut-off, sparkless work can be realized, and the valve can be applied to high-gas mines, so that the safety of the high-gas mines is embodied.
The connector 9 is a hollow connecting bolt, the connecting bolt is in threaded connection with a threaded hole 8 formed in the bottom of the handheld portion, a sealing ring is arranged on the connecting bolt for sealing, the hollow part in the connecting bolt is fixedly connected with an air pipe of the inflating device, and the bottom of the threaded hole 8 is communicated with the air guide channel 6; the bottom of the threaded hole 8 is provided with a spring 7. The button 13 is movably arranged in a clamping groove formed in the handheld portion, a check ring 12 is arranged between the clamping groove and the movable pipeline 11, the piston rod 10 penetrates through the check ring 12, and a return spring 7 is arranged between the check ring 12 and the button 13.
The connector 9 is connected to the bottom of the handheld part through threads, so that the handheld part is convenient to disassemble and assemble, and meanwhile, the spring 7 at the bottom provides resilience force after the connector 9 is assembled, so that the connector 9 is prevented from loosening; the return spring 7 between the retainer ring 12 and the button 13 can effectively enable the piston 5 to rebound, and the air guide channel 6 can be opened only when the button 13 is pressed, so that the use is convenient.
Claims (4)
1. A handheld pneumatic drill is characterized by comprising a pneumatic drill body, wherein a pneumatic motor (3) is arranged in a shell of the pneumatic drill body, a rotating shaft of the pneumatic motor (3) is connected with a transmission shaft (2), and the transmission shaft (2) extends out of the front end of the pneumatic drill body and is fixedly connected with a drill chuck (1); an air guide channel (6) is arranged in the handheld part of the air drill body, the upper end of the air guide channel (6) is connected with an air inlet pipe of the pneumatic motor (3), a transverse piston pipe (4) is arranged on the air guide channel (6), two pistons (5) are arranged in the piston pipe (4), the two pistons (5) are fixed on a piston rod (10), and a gap is formed between the two pistons (5); the piston rod (10) penetrates through the movable pipeline (11) to be connected with a button (13) arranged on the handheld part, and the piston rod (10) and the movable pipeline (11) are arranged in a clearance mode; the lower end of the air guide channel (6) is connected with a connector (9) arranged at the bottom end of the handheld part.
2. The hand-held type air drill according to claim 1, characterized in that the connector (9) is a hollow connecting bolt, the connecting bolt is connected with a threaded hole (8) formed in the bottom of the hand-held portion, the connecting bolt is fixedly connected with an air pipe of the inflation device, and the bottom of the threaded hole (8) is communicated with the air guide channel (6).
3. Hand-held air drill according to claim 2, characterized in that the threaded hole (8) is fitted at its bottom with a spring (7).
4. The hand-held pneumatic drill according to claim 1, wherein the button (13) is movably disposed in a slot formed in the hand-held portion, a retainer ring (12) is disposed between the slot and the movable pipe (11), the piston rod (10) passes through the retainer ring (12), and a spring (7) is disposed between the retainer ring (12) and the button (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921623995.1U CN210702702U (en) | 2019-09-26 | 2019-09-26 | Handheld pneumatic drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921623995.1U CN210702702U (en) | 2019-09-26 | 2019-09-26 | Handheld pneumatic drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702702U true CN210702702U (en) | 2020-06-09 |
Family
ID=70957228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921623995.1U Expired - Fee Related CN210702702U (en) | 2019-09-26 | 2019-09-26 | Handheld pneumatic drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702702U (en) |
-
2019
- 2019-09-26 CN CN201921623995.1U patent/CN210702702U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115977525B (en) | Positive circulation pneumatic down-the-hole hammer | |
| EP2012977B1 (en) | Pneumatically operable fastener-driving tool and a method of operating the same | |
| CN115949336A (en) | Pneumatic impactor | |
| CN210702702U (en) | Handheld pneumatic drill | |
| CN204327955U (en) | The accumulator of a kind of seal piston apparatus and use sealing piston apparatus | |
| CN203627382U (en) | Oil and gas isolation type pressure cylinder with automatic oil filling and automatic gas exhausting functions | |
| US7681658B2 (en) | Pneumatic impact tool | |
| CN202483480U (en) | Hydraulic clamping device | |
| CN215595464U (en) | Hydraulic rock drill | |
| CN202520556U (en) | Refrigerant injection type compressor | |
| CN203202208U (en) | Combined sealing structure for piston | |
| CN111098264A (en) | Hand-held pneumatic impactor | |
| CN215979367U (en) | Handheld hydraulic rock drill | |
| CN205101442U (en) | Combination formula air operated friction clutch stopper that terminal surface admitted air | |
| CN104329458B (en) | Sealing piston device and energy accumulator using sealing piston device | |
| WO2018040459A1 (en) | Combined rotary-cutting mining machine | |
| CN201896582U (en) | Bit-free tail pipe of drill bit arranged on high-air-pressure downhole impactor with valve | |
| CN111779723B (en) | Pneumatic valve of pneumatic nail gun | |
| CN201271817Y (en) | Valve lapping connector | |
| CN217393776U (en) | Tailstock for machine tool | |
| CN204663812U (en) | With the air compressor of hand valve | |
| CN213116919U (en) | Impact type cylinder | |
| CN211333054U (en) | Pneumatic pick with drill rod pulling mechanism | |
| CN117605813B (en) | Assembling method and auxiliary assembling tool for speed reducer | |
| CN108857337B (en) | Assembly fixture for water injection valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |