CN209520400U - The angular pneumatic drill of straight handle type - Google Patents
The angular pneumatic drill of straight handle type Download PDFInfo
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- CN209520400U CN209520400U CN201920069304.1U CN201920069304U CN209520400U CN 209520400 U CN209520400 U CN 209520400U CN 201920069304 U CN201920069304 U CN 201920069304U CN 209520400 U CN209520400 U CN 209520400U
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- shank body
- pneumatic drill
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- shell
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Abstract
The utility model provides the angular pneumatic drill of straight handle type, belongs to aerospace assembling process pneumatic drill field of tool.The utility model provides a kind of angular pneumatic drill of straight handle type, including pneumatic drill shell, elbow component, reducer assemblies, shank body component, engine pack, wind connect mouth；Wherein, the shank body component is arranged in pneumatic drill shell tail portion, is equipped with a switch valve on shank body component, and the shank body component internal is equipped with gas passage, the gas passage with switch valve is closed is connected to, connect mouth equipped with a wind in the end of the shank body component；The wind connects mouth one end external gas source, and the other end connects engine pack by switch valve, and the engine pack is connect with reducer assemblies, and reducer assemblies are connect with elbow component.Using gas source as power, efficiency greatly promotes the utility model, by the gear drive of cone tooth set and drive bevel gear in 90 ° of angular outputs, realizes the operation of narrow space.
Description
Technical field
The utility model provides a kind of angular pneumatic drill of straight handle type, belongs to aerospace assembling process pneumatic drill field of tool.
Background technique
With the fast development of China Aviation aerospace industry, in aircraft components assembling process, certain special type stations can not
Operation is carried out using hand-held pistol-grip air drill, such as narrow space human body cannot be introduced into, the processing of special hole.
Utility model content
According to the above-mentioned deficiencies in the prior art, the straight of drawbacks described above can be overcome the purpose of the utility model is to provide a kind of
The angular pneumatic drill of shank type can be processed in narrow space internal drilling.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of angular pneumatic drill of straight handle type, wrap
It includes pneumatic drill shell, elbow component, reducer assemblies, shank body component, engine pack, wind and connects mouth；Wherein, the shank body component is set
It sets in pneumatic drill shell tail portion, a switch valve is equipped on shank body component, the shank body component internal is equipped with gas passage, described
Gas passage with switch valve is closed is connected to, be equipped with a wind in the end of the shank body component and connect mouth；The wind connects outside mouth one end
Gas source is connect, the other end connects engine pack by switch valve, and the engine pack is connect with reducer assemblies, retarder group
Part is connect with elbow component.
Preferably, reducer assemblies include tooth rest and pinion gear, and the rotor output in the engine pack is
Gear, the gear and pinion gear of rotor output are cooperatively connected using gear, and pinion gear drives tooth rest rotation, tooth rest
Using the transmission axis connection in interior hexagonal hole and elbow component；Transmission shaft front end and drive bevel gear are connected using screw thread；It is main
Dynamic bevel gear and cone tooth sleeve gear transmission, using interference fit connection, elastic collet is fixed on by blind nut for cone tooth set and collet body
In collet body.
Preferably, the gear drive of cone tooth set and drive bevel gear is in 90 ° of angular outputs.
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, be equipped in the shank body case body can with the screw plug of valve stem seal, it is described
It is equipped with O-ring slot in screw plug, is equipped with O-ring in the O-ring slot and seals, the stem bottom is equipped with reset spring, resets bullet
The spring other end is fixed in screw plug groove；Gas passage is equipped between valve rod and groove, gas passage side is equipped with wind and connects mouth, separately
Side is equipped with engine pack.
Preferably, shank body component further includes silencer cover, and the silencer cover and air scoop pass through clearance fit and be loaded on air scoop
Interior, silencer cover is fixed on shank body shell tail end by suction nozzle bolt, and air scoop can change exhaust size and direction by rotation.
Preferably, the reducer assemblies take NGW planetary gear train to design, reduction ratio 4.5:1.
Preferably, the shank body component is straight handle type.
Beneficial effect possessed by the utility model is:
Compared with prior art, using gas source as power, efficiency greatly promotes the utility model, passes through cone tooth set and master
The gear drive of dynamic bevel gear realizes the operation of narrow space in 90 ° of angular outputs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the utility model reducer assemblies schematic diagram；
Fig. 3 is the utility model shank body component diagram；
Fig. 4 is the utility model elbow component diagram；
In figure: 1, elbow component；11, blind nut；12, elastic collet；13, transmission shaft；14, collet body；15, tooth set is bored；16,
Drive bevel gear；2, reducer assemblies；21, tooth rest；22, pinion gear；23, internal tooth casing；3, shank body component；31, rubber bag
Set；32, shank body shell；33, pressure handle；34, screw plug；35, valve rod；36, silencer cover；37, air scoop；38, valve stem packing 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 angular pneumatic drill of straight handle type described in the present embodiment, including pneumatic drill shell 5, elbow group
Part 1, reducer assemblies 2, shank body component 3, engine pack 4, wind connect mouth 6；Wherein, the shank body component 3 is straight handle type, setting
In 5 tail portion of pneumatic drill shell, it is equipped with a switch valve on shank body component 3, is equipped with gas passage, institute inside the shank body component 3
State 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 the engine pack 4 is connect with reducer assemblies 2,
The reducer assemblies take NGW planetary gear train to design, reduction ratio 4.5:1, and reducer assemblies 2 include tooth rest 21 and wandering star
Gear 22, the rotor output in the engine pack 4 are gear, and the gear and pinion gear 22 of rotor output use tooth
Wheel is cooperatively connected, and pinion gear 22 drives tooth rest 21 to rotate, and tooth rest 21 is using the transmission in interior hexagonal hole and elbow component 1
Axis 13 connects；13 front end of transmission shaft and drive bevel gear 16 are connected using screw thread；Drive bevel gear 16 and cone tooth cover 15 gears
Transmission, the gear drive of cone tooth set 15 and drive bevel gear 16 is in 90 ° of angular outputs.It bores tooth set 15 and collet body 14 uses interference
It is cooperatively connected, elastic collet 12 is fixed in collet body 14 by blind nut 11.The reducer assemblies 2 are additionally provided with internal tooth casing 23, institute
Internal tooth casing 23 is stated with O-ring slot, prevents gas to be discharged from front cover after being put into O-ring slot.
Preferably, shank body component 3 includes shank body shell 32, and rubber package set 31, the switch valve are cased with outside shank body shell 32
The pressure handle 33 of 32 upper surface side of shank body shell is set including one end rotary shaft, 33 other end bottom of pressure handle is equipped with valve rod 35,
35 bottom of valve rod is equipped with valve stem packing ring 38, and the valve rod 35 is in 32 shell of shank body shell, 32 shell of shank body shell
Equipped with the screw plug 34 that can be sealed with valve rod 35, O-ring slot is equipped in the screw plug 34, it is close to be equipped with O-ring in the O-ring slot
Envelope, 35 bottom of valve rod are equipped with reset spring 310, and 310 other end of reset spring is fixed in 34 groove of screw plug；35 He of valve rod
Gas passage is equipped between groove, gas passage side is equipped with wind and connects mouth 6, and the other side is equipped with engine pack 4；Shank body component 3
It further include silencer cover 36, the silencer cover 36 is loaded in air scoop 37 with air scoop 37 by clearance fit, and silencer cover 36 passes through
Suction nozzle bolt 39 is fixed on 32 tail end of shank body shell, and air scoop 37 can change exhaust size and direction by rotation.
The course of work:
Wind connects mouth 6 and connects gas source, and by the pressure handle 33 in lower handle component 3, downwards, gas source enters engine pack to valve rod 35
4 make its start-up operation, and the rotor output in engine pack 4 is that the pinion gear 22 in gear and reducer assemblies 2 uses
Gear is cooperatively connected, and after the deceleration of reducer assemblies 2, drives the tooth rest 21 in reducer assemblies 2 to rotate, reduction assemblies
Tooth rest 21 in 2 is equipped with interior hexagonal hole, and the transmission shaft 13 in interior hexagonal hole and elbow component 1 connects；13 front end of transmission shaft and
Drive bevel gear 16 is connected using screw thread；Tooth set 15 and collet body 14 are bored using interference fit connection, elastic collet 12 is by spiral shell
Lid 11 is fixed in collet body 14.Gear drive between cone tooth set 15 and drive bevel gear 16 has finally driven elastic collet 12
Rotation, it is final to drive cutter work.
Claims (7)
1. a kind of angular pneumatic drill of straight handle type, which is characterized in that including pneumatic drill shell (5), elbow component (1), reducer assemblies
(2), shank body component (3), engine pack (4), wind connect mouth (6)；Wherein, the shank body component (3) is arranged in pneumatic drill shell (5)
Tail portion is equipped with a switch valve on shank body component (3), gas passage is equipped with inside the shank body component (3), and the gas is logical
Road 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 end
External gas source, the other end connect engine pack (4) by switch valve, and the engine pack (4) and reducer assemblies (2) are even
It connects, reducer assemblies (2) are connect with elbow component (1).
2. the angular pneumatic drill of a kind of straight handle type according to claim 1, which is characterized in that reducer assemblies (2) include gear
Frame (21) and pinion gear (22), the rotor output in the engine pack (4) are gear, the gear of rotor output with
Pinion gear (22) is cooperatively connected using gear, and pinion gear (22) drives tooth rest (21) to rotate, in tooth rest (21) use
Transmission shaft (13) connection in hexagonal hole and elbow component (1)；Transmission shaft (13) front end and drive bevel gear (16) use screw thread
It is connected；Drive bevel gear (16) and cone tooth set (15) gear drive, bore tooth set (15) and collet body (14) using interference fit
Connection, elastic collet (12) are fixed in collet body (14) by blind nut (11).
3. the angular pneumatic drill of a kind of straight handle type according to claim 2, which is characterized in that cone tooth set (15) and drive bevel gear
(16) gear drive is in 90 ° of angular outputs.
4. the angular pneumatic drill of a kind of straight handle type according to claim 1, which is characterized in that shank body component (3) includes outside shank body
Shell (32), shank body shell (32) are cased with rubber package set (31) outside, and 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 (35) sealing, the screw plug (34) is interior to be equipped with O-ring slot, is equipped with O-ring in the O-ring slot and seals, institute
Valve rod (35) bottom is stated equipped with reset spring (310), reset spring (310) other end is fixed in screw plug (34) groove；Valve rod
(35) gas passage is equipped between groove, gas passage side is equipped with wind and connects mouth (6), and the other side is equipped with engine pack (4).
5. the angular pneumatic drill of a kind of straight handle type according to claim 3, which is characterized in that shank body component (3) further includes noise reduction
It covers (36), the silencer cover (36) and air scoop (37) are interior loaded on air scoop (37) by clearance fit, and silencer cover (36) passes through
Suction nozzle bolt (39) is fixed on shank body shell (32) tail end, and air scoop (37) can change exhaust size and direction by rotation.
6. the angular pneumatic drill of a kind of straight handle type according to claim 1, which is characterized in that the reducer assemblies take NGW
Planetary gear train design, reduction ratio 4.5:1.
7. the angular pneumatic drill of a kind of straight handle type according to claim 1, which is characterized in that the shank body component (3) is staight shank
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069304.1U CN209520400U (en) | 2019-01-16 | 2019-01-16 | The angular pneumatic drill of straight handle type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069304.1U CN209520400U (en) | 2019-01-16 | 2019-01-16 | The angular pneumatic drill of straight handle type |
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| Publication Number | Publication Date |
|---|---|
| CN209520400U true CN209520400U (en) | 2019-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920069304.1U Active CN209520400U (en) | 2019-01-16 | 2019-01-16 | The angular pneumatic drill of straight handle type |
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| Country | Link |
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| CN (1) | CN209520400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620836A (en) * | 2020-12-17 | 2021-04-09 | 陕西宝成航空仪表有限责任公司 | Tool clamping auxiliary tool for processing internal threads on inner wall of small-space cavity |
-
2019
- 2019-01-16 CN CN201920069304.1U patent/CN209520400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620836A (en) * | 2020-12-17 | 2021-04-09 | 陕西宝成航空仪表有限责任公司 | Tool clamping auxiliary tool for processing internal threads on inner wall of small-space cavity |
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