CN214025546U - Air inlet device of pneumatic tool - Google Patents
Air inlet device of pneumatic tool Download PDFInfo
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- CN214025546U CN214025546U CN202022251772.6U CN202022251772U CN214025546U CN 214025546 U CN214025546 U CN 214025546U CN 202022251772 U CN202022251772 U CN 202022251772U CN 214025546 U CN214025546 U CN 214025546U
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- air inlet
- inlet column
- cavity
- pneumatic tool
- column
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Abstract
The utility model discloses a pneumatic tool air inlet unit, which comprises a housin, the inside air inlet column that sets up of casing handle, air inlet column upper portion outer wall sets up the horizontal fixed slot that does not communicate the cavity and alternates through the elasticity cylindric lock and be fixed in the casing, air inlet column divide into about two parts and inside is provided with the cavity that does not communicate, air inlet column upper portion sets up inlet port and upper portion cavity intercommunication, air inlet column lower part sets up venthole and lower part cavity intercommunication, air inlet column lower part registrates the adjusting knob, the adjusting knob sets up the regulation mouth for venthole height department. The utility model discloses a be connected to external air supply to the air inlet column to filter screen through air inlet column lower part cavity gets into, gets rid of and uses the size of transferring the interface to adjust the tolerance from the venthole, gets into the stock air flue from the inlet port at last, and this device is simple reliable, easily processing.
Description
Technical Field
The utility model relates to a pneumatic tool field especially relates to pneumatic tool air inlet unit.
Background
The pneumatic tool is mainly a tool which utilizes compressed air to drive a pneumatic motor to work for outputting kinetic energy. Pneumatic tool on the market is because the stock material is the aluminum alloy, and the air inlet material is the steel part, and the conventional hookup mode of stock and air inlet is with threaded connection, and this connected mode is because the stock drags the hose constantly to reciprocate when using, very easily damages the screw thread to can't accomplish accurate control in the aspect of the tolerance.
Disclosure of Invention
According to the technical problems to be solved: the air inlet column is fixed inside the shell handle through the elastic cylindrical pin.
For realizing the above-mentioned purpose, the utility model discloses a pneumatic tool air inlet unit, which comprises a housin, the inside air inlet column that sets up of casing handle, air inlet column upper portion outer wall sets up the horizontal fixed slot that does not communicate the cavity and alternates through the elasticity cylindric lock and be fixed in the casing, air inlet column divide into about two parts and inside be provided with not communicating the cavity, air inlet column upper portion sets up inlet port and upper portion cavity intercommunication, air inlet column lower part sets up venthole and lower part cavity intercommunication, air inlet column lower part registrates the adjusting knob, the adjusting knob sets up the regulation mouth for venthole height department.
Furthermore, a first sealing groove and a second sealing groove are arranged on the upper side and the lower side of the fixing groove.
Furthermore, a counter bore is arranged in a step at the lower part of the air inlet column, a spring is fixed at the bottom of the counter bore, a steel ball is arranged at the other end of the spring, and a fourth sealing groove is arranged on the upper side of the step of the air inlet column.
Furthermore, the adjusting openings are formed in the outer wall of the first step of the adjusting button, the sizes of the adjusting openings are different, the outer wall of the second step is provided with a third sealing groove, the outer wall of the third step is provided with a plurality of ribs, a mark is arranged at the position corresponding to the adjusting openings, and the inner side wall of the mark position is provided with a semicircular groove.
Furthermore, the bottom end of the cavity at the lower part of the air inlet column is provided with a thread, and the end of the thread is provided with a filter screen.
Has the advantages that: the air inlet device of the pneumatic tool of the utility model has the advantages that the air inlet column is connected in the shell handle in a penetrating way by the elastic cylindrical pin, so that the threaded connection is not needed, and the thread damage caused by the dragging of the hose during the use is avoided; the intake air amount can also be adjusted by an adjusting knob on the intake column.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the whole cross-sectional view of the air inlet device of the pneumatic tool of the utility model.
Fig. 2 is a half-sectional view of the air inlet column of the air inlet device of the pneumatic tool of the utility model.
Fig. 3 is a view of the air inlet column adjusting port of the air inlet device of the pneumatic tool of the present invention.
FIG. 4 is a view of the inlet column adjusting opening of the air inlet device of the pneumatic tool
In the figure: 1 is a shell; 2 is an air inlet column; 3 is a filter screen; 4 is an elastic cylindrical pin; 5 is a first sealing groove; 6 is a second sealing groove; a third sealing groove 7; 8 is a fourth sealing groove; 9 is an air inlet; 10 is an air outlet; 11 is a spring; 12 is a steel ball; 15 is an adjusting button; and 16 is a fixing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
As shown in fig. 1-4, the air inlet device for the pneumatic tool comprises a housing, wherein an air inlet column 2 is arranged inside a handle of the housing 1, a transverse fixing groove 16 which is not communicated with a cavity is formed in the outer wall of the upper portion of the air inlet column 2 and is fixed in the housing 1 in an inserting mode through an elastic cylindrical pin 4, the air inlet column 2 is divided into an upper portion and a lower portion, the interior of the air inlet column is provided with the non-communicated cavity, an air inlet hole 9 is formed in the upper portion of the air inlet column 2 and is communicated with the cavity of the upper portion, an air outlet hole 10 is formed in the lower portion of the air inlet column 2 and is communicated with the cavity of the lower portion, an adjusting button 15 is sleeved on the lower portion of the air inlet column 2, and an adjusting port is formed in the adjusting button 15 relative to the height of the air outlet hole 10.
The fixing groove 16 on the air inlet column 2 is fixedly connected inside the handle in a penetrating manner through the elastic cylindrical pin 4, so that threaded connection is not needed, and damage to threads is avoided; when the air gun handle is used, an external air source enters through a filter screen of the air inlet, enters the upper space of the handle air gun from the air outlet through the rotation adjustment of the adjusting button 15, and enters the air passage of the gun handle through the air inlet.
As shown in fig. 2, a first seal groove 5 and a second seal groove 6 are formed at upper and lower sides of the fixing groove 16.
Wherein, place the sealing washer in the seal groove and guarantee that the air flue does not wear gas, play sealed effect.
As shown in fig. 2, a counter bore is arranged in a step at the lower part of the air inlet column 2, a spring 11 is fixed at the bottom of the counter bore, a steel ball 12 is arranged at the other end of the spring 11, and a fourth sealing groove 8 is arranged at the upper side of the step of the air inlet column 2.
Wherein, a spring 11 and a steel ball 12 are arranged in the counter bore, and the adjusting button 15 can not be blocked when the adjusting button 15 rotates.
As shown in fig. 3 and 4, the adjusting opening is provided with a plurality of adjusting holes which are arranged on the outer wall of the first layer of steps of the adjusting button 15 and have different sizes, the outer wall of the second layer of steps is provided with a third sealing groove 7, the outer wall of the third layer of steps is provided with a plurality of protruding ridges and is provided with a mark relative to the adjusting opening, and the inner side wall of the mark position is provided with a semicircular groove.
The adjusting openings are arranged in holes with different apertures, the air inflow can be adjusted, meanwhile, semicircular grooves with the same number as the adjusting openings are arranged on the inner ring of the adjusting button 15 in a closed mode, and when the adjusting button 15 is rotated, the steel ball 12 in the corresponding position is rotated to fall into the corresponding groove, the adjusting openings are overlapped with the air outlet holes 10, and air is exhausted.
As shown in figure 2, the bottom end of the cavity at the lower part of the air inlet column 2 is provided with a thread, and the end of the thread is provided with a filter screen 3.
Wherein, filter screen 3 can filter the impurity in the gas, prevents that impurity from getting into the air flue and damaging pneumatic tool.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (5)
1. Pneumatic tool air inlet unit, including the casing, its characterized in that: the utility model discloses a portable air conditioner, including casing (1), casing (2), air inlet column (2) upper portion outer wall sets up horizontal fixed slot (16) that do not communicate the cavity and alternates through elasticity cylindric lock (4) and be fixed in casing (1), air inlet column (2) are divided into upper and lower two parts and inside is provided with does not communicate the cavity, air inlet column (2) upper portion sets up inlet port (9) and upper portion cavity intercommunication, air inlet column (2) lower part sets up venthole (10) and lower part cavity intercommunication, air inlet column (2) lower part registrates adjusting button (15), adjusting button (15) set up the regulation mouth for venthole (10) high department.
2. The air inlet device for a pneumatic tool as set forth in claim 1, wherein: and a first sealing groove (5) and a second sealing groove (6) are arranged on the upper side and the lower side of the fixing groove (16).
3. The air inlet device for a pneumatic tool as set forth in claim 1, wherein: the air inlet column is characterized in that a counter bore is formed in a step at the lower part of the air inlet column (2), a spring (11) is fixed at the bottom of the counter bore, a steel ball (12) is arranged at the other end of the spring (11), and a fourth sealing groove (8) is formed in the upper side of the step of the air inlet column (2).
4. The air inlet device for a pneumatic tool as set forth in claim 1, wherein: the adjusting opening is provided with a plurality of adjusting buttons (15), the first layer of step outer wall is provided with different sizes, the second layer of step outer wall is provided with a third sealing groove (7), the third layer of step outer wall is provided with a plurality of protruding ridges, marks are arranged at the positions corresponding to the adjusting opening, and the inner side wall of the mark position is provided with a semicircular groove.
5. The air inlet device for a pneumatic tool as set forth in claim 1, wherein: the bottom end of a cavity at the lower part of the air inlet column (2) is provided with a thread, and the end of the thread is provided with a filter screen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022251772.6U CN214025546U (en) | 2020-10-12 | 2020-10-12 | Air inlet device of pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022251772.6U CN214025546U (en) | 2020-10-12 | 2020-10-12 | Air inlet device of pneumatic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214025546U true CN214025546U (en) | 2021-08-24 |
Family
ID=77352361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022251772.6U Active CN214025546U (en) | 2020-10-12 | 2020-10-12 | Air inlet device of pneumatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214025546U (en) |
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2020
- 2020-10-12 CN CN202022251772.6U patent/CN214025546U/en active Active
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