CN209520398U - Straight handle type pneumatic drill - Google Patents
Straight handle type pneumatic drill Download PDFInfo
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- CN209520398U CN209520398U CN201920068929.6U CN201920068929U CN209520398U CN 209520398 U CN209520398 U CN 209520398U CN 201920068929 U CN201920068929 U CN 201920068929U CN 209520398 U CN209520398 U CN 209520398U
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- shank body
- pneumatic drill
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- cylinder
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Abstract
The utility model provides a kind of straight handle type pneumatic drill, belongs to drilling, the milling tools field of aerospace manufacturing enterprise, including pneumatic drill shell, and pneumatic drill shell one end is connect with drill chuck, and other end connection wind connects mouth；Reducer assemblies, shank body component, engine pack are equipped in pneumatic drill shell, cylinder in engine pack is equipped with cylinder vent, exhaust passage is equipped in shank body assembly housing, described exhaust passage one end is connected to cylinder vent, the other end is connected to air scoop, the air scoop setting can change exhaust size and direction by rotation in shank body component tail end, air scoop.The utility model is designed by final vacuum, reduces a possibility that damaging in process to dust human body, optimizes processing environment.
Description
Technical field
The utility model provides a kind of straight handle type pneumatic drill, belongs to drilling, the milling tools field of aerospace manufacturing enterprise.
Background technique
The mode that existing straight handle type pneumatic drill is all made of front exhaust is exhausted, and the scrap that generates in work, dust are in work
It is dispelled at once in work, is easy to blow and hurts eyes, and be not easy to sweep, cause working environment severe.
Utility model content
According to the above-mentioned deficiencies in the prior art, above-mentioned scarce staight shank can be overcome the purpose of the utility model is to provide a kind of
Formula pneumatic drill can prevent gas to be discharged from front end, avoid blowing and hurt eyes, unhealthful.
To achieve the above object, the technical scheme adopted by the utility model to solve the technical problem is as follows: the utility model
A kind of straight handle type pneumatic drill, including pneumatic drill shell are provided, are equipped with reducer assemblies, shank body component, engine pack in pneumatic drill shell,
The shank body component is arranged in pneumatic drill shell tail portion, and a switch valve is equipped on shank body component, and the shank body component internal is set
Have an air inlet gas passage, the air inlet gas passage with switch valve is closed is connected to, be equipped with one in the end of the shank body component
Wind connects mouth；The wind connects mouth one end external gas source, and the other end connects engine pack by switch valve, and engine pack connection subtracts
Fast device assembly, reducer assemblies are connect with drill chuck, and the cylinder in engine pack is equipped with cylinder vent, shank body assembly housing
Interior to be equipped with exhaust passage, described exhaust passage one end is connected to cylinder vent, and the other end is connected to air scoop, the air scoop
Setting can change exhaust size and direction by rotation in shank body component tail end, air scoop.
Preferably, reducer assemblies include tooth rest and pinion gear, and the rotor output in the engine pack is
Gear is cooperatively connected with pinion gear using gear, and pinion gear drives tooth rest rotation, and tooth rest and drill chuck use screw thread
Connection.
Preferably, shank body component includes shank body shell, is cased with rubber package set outside shank body shell, the switch valve includes one end
The pressure handle of shank body upper surface of outer cover side is arranged in rotary shaft, and pressure handle other end bottom is equipped with valve rod, and stem bottom is equipped with valve rod
Sealing ring, the valve rod pass through shank body case body, and being equipped in the shank body case body can be with the screw plug of valve stem seal, screw plug
On have O-ring slot, there is O-ring to seal gas in ring recess, the stem bottom is equipped with reset spring, and the reset spring other end is fixed on spiral shell
In stifled groove；Gas passage is equipped between valve rod and groove, gas passage side is equipped with wind and connects mouth, and the other side is equipped with cluster engine
Part.
Preferably, shank body component is additionally provided with silencer cover, the silencer cover and air scoop and is loaded on air scoop by clearance fit
Interior, silencer cover is fixed on shank body shell tail end by suction nozzle bolt.
Preferably, the reducer assemblies take NGW planetary gear train to design, reduction ratio 4.5:1,
Preferably, the reducer assemblies are additionally provided with internal tooth casing, and the internal tooth casing has O-ring slot, after being put into O-ring slot
Gas is prevented to be discharged from front cover.
Preferably, the cylinder includes the gentle cylinder ring wall of cylinder back cover, and the cylinder back cover is equipped with air inlet, the gas
Cylinder exhaust outlet is arranged on cylinder ring wall；The exhaust outlet includes a main vent and three tactic auxiliary exhaust ports,
The main vent and auxiliary exhaust port opposition setting, the exhaust outlet are connected to exhaust passage.
Preferably, air inlet is equipped in the shank body component, the air inlet is connected by inlet channel and the air inlet
It is logical.
Beneficial effect possessed by the utility model is:
The utility model compared with prior art, is designed by final vacuum, is reduced and is caused in process to dust human body
A possibility that injury, optimizes processing environment.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model reducer structure schematic diagram；
Fig. 3 is the utility model shank body component structure diagram；
In figure: 1, drill chuck；2, reducer assemblies；21, tooth rest；22, pinion gear；23, internal tooth casing；3, shank body group
Part；31, rubber package set；32, shank body shell；33, pressure handle；34, screw plug；35, valve rod；36, silencer cover；37, air scoop；38, valve
Bar sealing ring；39, suction nozzle bolt；310, reset spring；4, engine pack；5, pneumatic drill shell；6, wind connects mouth.
Specific embodiment
Embodiment 1:
Referring to Figure of description, a kind of straight handle type pneumatic drill described in the utility model, which is characterized in that including pneumatic drill shell
5, pneumatic drill shell 5 is interior to be equipped with reducer assemblies 2, shank body component 3, engine pack 4, and the shank body component 3 is arranged in pneumatic drill shell
5 tail portion of body is equipped with a switch valve on shank body component 3, is equipped with air inlet gas passage inside the shank body component 3, it is described into
Gas gas passage with switch valve is closed is connected to, be equipped with a wind in the end of the shank body component 3 and connect mouth 6；The wind connects mouth 6 one
External gas source is held, the other end connects engine pack 4 by switch valve, and reducer assemblies 2 include tooth rest 21 and pinion gear
22, the rotor output in the engine pack 4 is gear, is cooperatively connected with pinion gear 22 using gear, pinion gear
22 drive tooth rest 21 to rotate, and using being threadedly coupled, engine pack 4 connects reducer assemblies 2 for tooth rest 21 and drill chuck 1,
The reducer assemblies take NGW planetary gear train to design, and reduction ratio 4.5:1, reducer assemblies 2 connect with drill chuck 1, start
Cylinder in thermomechanical components 4 is equipped with cylinder vent, is equipped with exhaust passage in 3 shell of shank body component, described exhaust passage one end with
Cylinder vent connection, the other end are connected to air scoop 37, and the air scoop 37 is arranged in 3 tail end of shank body component, air scoop 37
Exhaust size and direction can be changed by rotation, shank body component 3 is additionally provided with silencer cover 36, and the silencer cover 36 and air scoop 37 are logical
Clearance fit is crossed loaded in air scoop 37, silencer cover 36 is fixed on 32 tail end of shank body shell by suction nozzle bolt 39.
Shank body component 3 includes shank body shell 32, is cased with rubber package set 31 outside shank body shell 32, the switch valve includes one end
The pressure handle 33 of 32 upper surface side of shank body shell is arranged in rotary shaft, and 33 other end bottom of pressure handle is equipped with valve rod 35,35 bottom of valve rod
Portion is equipped with valve stem packing ring 38, and the valve rod 35 passes through 32 shell of shank body shell, and being equipped in 32 shell of shank body shell can be with
The screw plug 34 that valve rod 35 seals has O-ring slot on screw plug 34, has O-ring to seal gas in ring recess, and 35 bottom of valve rod, which is equipped with, to be resetted
Spring 310,310 other end of reset spring are fixed in 34 groove of screw plug；Gas passage, gas are equipped between valve rod 35 and groove
Channel side is equipped with wind and connects mouth 6, and the other side is equipped with engine pack 4.
The cylinder includes the gentle cylinder ring wall of cylinder back cover, and the cylinder back cover is equipped with air inlet, the cylinder exhaust
Mouth is arranged on cylinder ring wall；The exhaust outlet includes a main vent and three tactic auxiliary exhaust ports, the master
Exhaust outlet and auxiliary exhaust port opposition setting, the exhaust outlet are connected to exhaust passage, are equipped with air inlet in the shank body component 3,
The air inlet is connected to by inlet channel with the air inlet.
Working principle: wind connects mouth 6 and connects gas source, and by the pressure handle 33 in lower handle component 3, downwards, gas source passes through valve rod 35
Air inlet, which enters engine pack 4, makes its start-up operation, and the rotor output in engine pack 4 is gear and retarder group
Pinion gear 22 in part 2 is cooperatively connected using gear, after the deceleration of reducer assemblies 2, is driven in reducer assemblies 2
Tooth rest 21 rotates, and the output end of tooth rest 21 is screw thread and drill chuck 1 using being threadedly coupled, and finally drives turning for drill chuck
It is dynamic to work.Cylinder in engine pack 4 has gas vent, and gas is after gas vent is discharged, by the exhaust of shank body component 3
Hole is finally discharged to air scoop 37, avoids and be exhausted from front end, prevent the scrap generated in work, dust at work
It is dispelled at once, avoids blowing and hurt eyes.The O-ring slot of internal tooth casing 23 prevents gas to be discharged from front cover.
Claims (8)
1. a kind of straight handle type pneumatic drill, which is characterized in that including pneumatic drill shell (5), be equipped with reducer assemblies in pneumatic drill shell (5)
(2), shank body component (3), engine pack (4), the shank body component (3) are arranged in pneumatic drill shell (5) tail portion, in shank body component
(3) be equipped with a switch valve, be equipped with air inlet gas passage inside the shank body component (3), the air inlet gas passage with open
The closed connection of valve is closed, a wind is equipped in the end of the shank body component (3) and connects mouth (6)；The wind connects mouth (6) one end external gas
Source, the other end connect engine pack (4) by switch valve, and engine pack (4) connects reducer assemblies (2), retarder group
Part (2) is connect with drill chuck (1), and the cylinder in engine pack (4) is equipped with cylinder vent, is set in shank body component (3) shell
There is exhaust passage, described exhaust passage one end is connected to cylinder vent, and the other end is connected to air scoop (37), the air scoop
Setting can change exhaust size and direction by rotation in shank body component (3) tail end, air scoop (37).
2. a kind of straight handle type pneumatic drill according to claim 1, which is characterized in that reducer assemblies (2) include tooth rest
(21) and pinion gear (22), the rotor output in the engine pack (4) is gear, uses tooth with pinion gear (22)
Wheel is cooperatively connected, and pinion gear (22) drives tooth rest (21) rotation, and tooth rest (21) and drill chuck (1), which use, to be threadedly coupled.
3. a kind of straight handle type pneumatic drill according to claim 1, which is characterized in that shank body component (3) includes shank body shell
(32), it is cased with rubber package set (31) outside shank body shell (32), the switch valve includes that one end rotary shaft is arranged in shank body shell
(32) pressure handle (33) of upper surface side, pressure handle (33) other end bottom are equipped with valve rod (35), and valve rod (35) bottom is equipped with valve rod
Sealing ring (38), the valve rod (35) pass through shank body shell (32) shell, and being equipped in shank body shell (32) shell can be with valve
The screw plug (34) of bar sealing, has O-ring slot on screw plug (34), has O-ring to seal gas in ring recess, and valve rod (35) bottom is equipped with multiple
Position spring (310), reset spring (310) other end are fixed in screw plug (34) groove；Gas is equipped between valve rod (35) and groove
Body channel, gas passage side are equipped with wind and connect mouth (6), and the other side is equipped with engine pack (4).
4. a kind of straight handle type pneumatic drill according to claim 3, which is characterized in that shank body component (3) is additionally provided with silencer cover
(36), the silencer cover (36) and air scoop (37) by clearance fit loaded in air scoop (37), silencer cover (36) by into
Gas nozzle bolt (39) is fixed on shank body shell (32) tail end.
5. a kind of straight handle type pneumatic drill according to claim 1, which is characterized in that the reducer assemblies (2) take NGW row
Star wheel series design, reduction ratio 4.5:1.
6. a kind of straight handle type pneumatic drill according to claim 1, which is characterized in that in the reducer assemblies (2) are additionally provided with
Tooth set (23), the internal tooth casing (23) have O-ring slot.
7. a kind of straight handle type pneumatic drill according to claim 1, which is characterized in that the cylinder includes cylinder back cover and cylinder
Ring wall, the cylinder back cover are equipped with air inlet, and the cylinder exhaust port is arranged on cylinder ring wall；The exhaust outlet includes one
A main vent and three tactic auxiliary exhaust ports, the main vent and auxiliary exhaust port opposition setting, the exhaust outlet
It is connected to exhaust passage.
8. a kind of straight handle type pneumatic drill according to claim 7, which is characterized in that be equipped with air inlet in the shank body component (3)
Hole, the air inlet are connected to by inlet channel with the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068929.6U CN209520398U (en) | 2019-01-16 | 2019-01-16 | Straight handle type pneumatic drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068929.6U CN209520398U (en) | 2019-01-16 | 2019-01-16 | Straight handle type pneumatic drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209520398U true CN209520398U (en) | 2019-10-22 |
Family
ID=68228731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920068929.6U Active CN209520398U (en) | 2019-01-16 | 2019-01-16 | Straight handle type pneumatic drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209520398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008474A (en) * | 2020-08-27 | 2020-12-01 | 长春理工大学 | Automatic drilling and riveting and hole site and hole shape parameter online detection device |
-
2019
- 2019-01-16 CN CN201920068929.6U patent/CN209520398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008474A (en) * | 2020-08-27 | 2020-12-01 | 长春理工大学 | Automatic drilling and riveting and hole site and hole shape parameter online detection device |
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