CN203292049U - Pneumatic vibrator with built-in piston - Google Patents
Pneumatic vibrator with built-in piston Download PDFInfo
- Publication number
- CN203292049U CN203292049U CN201320047141XU CN201320047141U CN203292049U CN 203292049 U CN203292049 U CN 203292049U CN 201320047141X U CN201320047141X U CN 201320047141XU CN 201320047141 U CN201320047141 U CN 201320047141U CN 203292049 U CN203292049 U CN 203292049U
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- Prior art keywords
- piston
- air drain
- pore
- air
- radially
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Abstract
The utility model provides a pneumatic vibrator with a built-in piston and relates to a pneumatic vibrator. An existing pneumatic vibrator needs parts such as bearings, impact is large and the service life is short. The pneumatic vibrator is characterized in that a piston cavity wall of a device base is provided with a first air groove and a second air groove, wherein the first air groove and the second air groove are communicated with an air outlet. The periphery of a piston is provided with a third air groove and a fourth air groove. A first radial air hole is formed in the third air groove, and a second radial air hole is formed in the fourth air groove. The two ends of the piston are provided with a first axial air hole and a second axial air hole respectively. The third air groove is communicated with an air chamber of the right side of the piston through the first radial air hole and the first axial air hole. The fourth air groove is communicated with an air chamber of the left side of the piston through the second radial air hole and the second axial air hole. One end of the piston is provided with a spring. According to the technical scheme, the bearings are eliminated, the piston moves in a left and right reciprocating mode to generate the vibration force, the structure is simple, operation stability is good, work is reliable, the number of assembling steps is reduced, production cost is lowered, disassembling and assembling are convenient, change of air inflow enables the vibration force to be adjusted correspondingly, and adjusting is convenient and flexible.
Description
Technical field
The utility model relates to a kind of pneumatic vibrator.
Background technology
, according to vibrator institute power consumption form and operation principle, mainly contain electric vibrator (rotation, straight line, magnetic), the vibrator that surges, pneumatic vibrator (rotation, straight line) in present vibrating machine industry.Electric vibrator is to drive one group of eccentric block of two shaft extension ends with motor, produces vibration force, and invariablenes turning speed is non-adjustable, and vibration force is adjusted inconvenient, for high frequency, high temperature and explosion-proof place, needs particular design.Surge exciter structure complexity, heaviness, installation and debugging are extremely inconvenient.Pneumatic vibrator of the same type mainly contains seat, covers, is with the formations such as unbalanced rotor, bearing, rolling bearing is pressed in bearing chamber, bearing bore diameter is connected with being with unbalanced two ends of rotor cylinder, limited the radial diameter of rolling bearing, reduce the service life of rolling bearing, can be subject to great dynamic load at the running middle (center) bearing simultaneously.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that the prior art scheme is improved and improved, and provides a kind of piston built-in pneumatic vibrator, to reach the good He stable purpose of vibration resistance.For this reason, the utility model is taked following technical scheme.
a kind of piston built-in pneumatic vibrator, comprise the device seat of establishing the cylindrical piston chamber, be located at the cylindrical piston in device seat plunger shaft, the air inlet that is communicated with plunger shaft and gas outlet, it is characterized in that: the first air drain and the second air drain that is positioned at the first air drain right side that have annular on the plunger shaft wall of device seat, described the first air drain, the second air drain all communicates with gas outlet, described piston periphery be provided with the annular can with the first air drain, the second relative the 3rd air drain and the 4th air drain of air drain difference, be respectively equipped with the first pore radially radially in the 3rd air drain and the 4th air drain, the second pore radially, the two ends of piston are respectively equipped with the first axial axial pore and the second axial pore, described the 3rd air drain is by the first pore radially, the first axial pore communicates with the air chamber on piston right side, described the 4th air drain is by the second pore radially, the second axial pore communicates with the air chamber in piston left side, the centre position of plunger shaft wall has the 5th air drain of annular, and described the 5th air drain communicates with air inlet and gas outlet, one end of piston is provided with the spring that can offset with the plunger shaft wall.when piston is positioned at left side, the compressed gas of air inlet is by the 4th air drain, the second pore radially, the second axial pore enters the left side air chamber of plunger shaft, pushing piston moves to right, in the process that piston moves to right, the second air drain with second radially pore communicate, the Compressed Gas that is positioned at plunger shaft left side is by the second pore radially, the second air drain is to gas outlet and efflux, reduce the air pressure in plunger shaft left side, the piston right side is stressed stressed greater than left side, piston starts counter motion, air inlet slogan the first air drain is relative, Compressed Gas is through the first air drain, first radially pore to plunger shaft right side air chamber, pushing piston moves to left, in the process that piston moves to left, the second air drain communicates with plunger shaft right side air chamber, be positioned at the Compressed Gas on plunger shaft right side by the second air drain, gas outlet effluxes, reduce the air pressure on plunger shaft right side, the piston left side is stressed stressed greater than right side, piston starts counter motion, piston goes round and begins again and moves left and right the generation vibration force, spring is used for resetting, and piston can be moved back and forth, without the motion dead point.The technical program, save bearing, adopts the reciprocating mode in piston left and right to produce vibration force, and is simple in structure, stable good, reliable operation, reduce assembly process, reduces production costs, easy accessibility, and change air inflow can corresponding adjusting vibration force, easy to adjust, flexible.
As the further of technique scheme improved and supplement, the utility model also comprises following additional technical feature.
Described device seat is offered the piston hole that runs through left and right two ends, and the two ends of device seat are all established stifle and formed airtight plunger shaft; The 3rd air drain is less than or equal to the distance of the 5th air drain to the first air drain to the distance of piston left side; The 4th air drain is less than or equal to the distance of the 5th air drain to the second air drain to the distance of piston right side; The spacing of the 3rd air drain and the 4th air drain is less than the spacing of the 5th air drain and the first air drain and the spacing of the 5th air drain and the second air drain.
Described stifle shaft section is "T"-shaped, stretches in its small end in the piston hole of device seat, and right side stifle and piston right-hand member are all offered blind hole, inserts described spring in blind hole.
Establish connecting hole on described stifle, screw is connected with the device seat by the connecting hole on stifle.
Described first radially pore, second radially the center line of pore, the first axial pore, the second axial pore be positioned on same shaft section.
Described first radially pore, second radially pore radially run through piston, first radially pore, second radially pore and the first axial pore, the second axial pore intersect, described first radially pore, second radially be provided with plug in pore.If plug can prevent the first axial pore and the second axial pore intercommunication.
The diameter of the first axial pore, the second axial pore is greater than the first pore, second pore radially radially.
The diameter of the described first axial pore, the second axial pore is 6-8mm, first radially pore, second radially the diameter of pore be 1.5-3.5mm, the groove width of described the first air drain, the second air drain, the 3rd air drain, the 4th air drain is 1-3mm.
Described piston has an axial steam vent, and described the first air drain, the second air drain communicate with gas outlet by steam vent, and described steam vent is blind hole, and the openend of steam vent is established the plug screw.
Described air inlet connects inlet suction port, and described gas outlet connects silencer.
Beneficial effect: the technical program, save bearing, adopt the reciprocating mode in piston left and right to produce vibration force, simple in structure, stable good, reliable operation, reduce assembly process, reduces production costs, easy accessibility, and change air inflow can corresponding adjusting vibration force, easy to adjust, flexible.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model sectional structure schematic diagram.
Fig. 3 is the utility model explosion structural representation.
In figure: 1-device seat; The 2-air inlet, 3-gas outlet, 4-piston, 5-the first air drain, 6-the second air drain, 7-the 3rd air drain, 8-the 4th air drain, 9-the 5th air drain, the axial pore of 10-first, the axial pore of 11-second, 12-first is pore radially, and 13-second is pore radially, the 14-spring, 15-plug, 16-inlet suction port, the 17-silencer, 18-stifle, 19-steam vent.
The specific embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
as Fig. 1, 2, shown in 3, the utility model comprises the device seat 1 of establishing the cylindrical piston chamber, be located at the cylindrical piston 4 in device seat 1 plunger shaft, the air inlet 2 that is communicated with plunger shaft and gas outlet 3, have first air drain 5 and the second air drain 6 that is positioned at the first air drain 5 right sides of annular on the plunger shaft wall of device seat 1, the first air drain 5, the second air drain 6 all communicates with gas outlet 3, piston 4 peripheries be provided with the annular can with the first air drain 5, the second air drain 6 relative the 3rd air drain 7 and the 4th air drains 8 of difference, be respectively equipped with the first pore 12 radially radially in the 3rd air drain 7 and the 4th air drain 8, the second pore 13 radially, the two ends of piston 4 are respectively equipped with the first axial axial pore 10 and the second axial pore 11, the 3rd air drain 7 is by the first pore 12 radially, the first axial pore 10 communicates with the air chamber on piston 4 right sides, the 4th air drain 8 is by the second pore 13 radially, the second axial pore 11 communicates with the air chamber in piston 4 left sides, the 5th air drain 9, the five air drains 9 that the centre position of plunger shaft wall has annular communicate with air inlet 2 and gas outlet 3, one end of piston 4 is provided with the spring 14 that can offset with the plunger shaft wall.
For convenience of processing, reduce costs, device seat 1 is offered piston 4 holes of running through left and right two ends, and the two ends of device seat 1 are all established stifle 18 and are formed airtight plunger shaft; The 3rd air drain 7 is less than or equal to the distance of the 5th air drain 9 to first air drains 5 to the distance of piston 4 left sides; The 4th air drain 8 is less than or equal to the distance of the 5th air drain 9 to second air drains 6 to the distance of piston 4 right sides; The spacing of the 3rd air drain 7 and the 4th air drain 8 is less than the spacing of the 5th air drain 9 and the first air drain 5 and the spacing of the 5th air drain 9 and the second air drain 6.
Stifle 18 shaft sections are "T"-shaped, stretch in its small end in piston 4 holes of device seat 1, and right side stifle 18 and piston 4 right-hand members are all offered blind hole, insert spring 14 in blind hole.
Establish connecting hole on stifle 18, screw is connected with device seat 1 by the connecting hole on stifle 18.
First radially pore 12, second radially the center line of pore 13, the first axial pore 10, the second axial pore 11 be positioned on same shaft section.Wherein, first radially pore 12, second radially pore 13 radially run through piston 4, first radially pore 12, second radially pore 13 and the first axial pore 10, the second axial pore 11 intersect, first radially pore 12, second radially be provided with plug 15 in pore 13.
The diameter of the first axial pore 10, the second axial pore 11 is greater than the first pore 12, second pore 13 radially radially.
Size according to vibration force, select the size of pore and air drain, in the present embodiment, the diameter of the first axial pore 10, the second axial pore 11 is 7mm, first radially pore 12, second radially the diameter of pore 13 be 2.5mm, the groove width of the first air drain 5, the second air drain 6, the 3rd air drain 7, the 4th air drain 8 is 2mm.
Piston 4 has axial steam vent 19, the first air drains 5, second air drain 6 and communicates with gas outlet 3 by steam vent 19, and steam vent 19 is blind hole, and the openend of steam vent 19 is established plug 15 screws.Air inlet 2 connects inlet suction port 16, and gas outlet 3 connects silencer 17.
the course of work: when piston 4 is positioned at left side, the compressed gas of air inlet 2 is by the 4th air drain 8, the second pore 13 radially, the second axial pore 11 enters the left side air chamber of plunger shaft, pushing piston 4 moves to right, after piston 4 moves to right certain distance, piston 4 leaves the first air drain 5, the left side air chamber is by the first air drain 5, steam vent 19 communicates with gas outlet 3, reduce the pressure of left side air chamber, gas piston 4 slows down, the 4th air drain 8 is relative with the second air drain 6, the second air drain 6 with second radially pore 13 communicate, the Compressed Gas that is positioned at plunger shaft left side is by the second pore 13 radially, the second air drain 6, steam vent 19 is to gas outlet 3 and efflux, further reduce the air pressure in plunger shaft left side, the pressure of piston 4 right side air chambers increases gradually in piston 4 moves to right process, piston 4 starts counter motion, No. 2 the first air drains 5 of air inlet are relative, Compressed Gas is through the first air drain 5, first radially pore 12 to piston 4 right side air chambers, pushing piston 4 moves to left, piston 4 moves to left after a segment distance, the second air drain 6 communicates with piston 4 right side air chambers, be positioned at the Compressed Gas on plunger shaft right side by the second air drain 6, steam vent 19, gas outlet 3 effluxes, reduce the air pressure on plunger shaft right side, piston 4 continues left lateral, the 3rd air drain 7 is relative with the first air drain 5, the first air drain 5 with first radially pore 12 communicate, the Compressed Gas that is positioned at the plunger shaft right side is by the first pore 12 radially, the 3rd air drain 7, the first air drain 5, steam vent 19 is to gas outlet 3 and efflux, further reduce the air pressure on plunger shaft right side, the pressure of piston 4 left side air chambers increases gradually in piston 4 moves to left process, piston 4 left sides are stressed stressed greater than right side, piston 4 starts counter motion, piston 4 goes round and begins again and moves left and right the generation vibration force.
Claims (10)
1. piston built-in pneumatic vibrator, comprise the device seat (1) of establishing the cylindrical piston chamber, be located at the cylindrical piston (4) in device seat (1) plunger shaft, the air inlet that is communicated with plunger shaft (2) and gas outlet (3), it is characterized in that: have first air drain (5) of annular on the plunger shaft wall of device seat (1) and be positioned at second air drain (6) on the first air drain (5) right side, described the first air drain (5), the second air drain (6) all communicates with gas outlet (3), described piston (4) periphery be provided with the annular can with the first air drain (5), the 3rd air drain (7) and the 4th air drain (8) that the second air drain (6) difference is relative, be respectively equipped with the first pore (12) radially radially in the 3rd air drain (7) and the 4th air drain (8), the second pore (13) radially, the two ends of piston (4) are respectively equipped with the first axial axial pore (10) and the second axial pore (11), described the 3rd air drain (7) is by the first pore (12) radially, the first axial pore (10) communicates with the air chamber on piston (4) right side, described the 4th air drain (8) is by the second pore (13) radially, the second axial pore (11) communicates with the air chamber in piston (4) left side, the centre position of plunger shaft wall has the 5th air drain (9) of annular, and described the 5th air drain (9) communicates with air inlet (2) and gas outlet (3), one end of piston (4) is provided with the spring (14) that can offset with the plunger shaft wall.
2. a kind of piston built-in pneumatic vibrator according to claim 1, it is characterized in that: described device seat (1) is offered piston (4) hole of running through left and right two ends, and the two ends of device seat are all established stifle (18) and are formed airtight plunger shaft; The 3rd air drain (7) to the distance of piston (4) left side is less than or equal to the distance of the 5th air drain (9) to the first air drain (5); The 4th air drain (8) to the distance of piston (4) right side is less than or equal to the distance of the 5th air drain (9) to the second air drain (6); The spacing of the 3rd air drain (7) and the 4th air drain (8) is less than the spacing of the 5th air drain (9) and the first air drain (5) and the spacing of the 5th air drain (9) and the second air drain (6).
3. a kind of piston built-in pneumatic vibrator according to claim 2, it is characterized in that: described stifle (18) shaft section is "T"-shaped, stretch in its small end in piston (4) hole of device seat (1), right side stifle (18) and piston (4) right-hand member are all offered blind hole, insert described spring (14) in blind hole.
4. a kind of piston built-in pneumatic vibrator according to claim 3, it is characterized in that: described stifle is established connecting hole on (18), and screw is connected with device seat (1) by the connecting hole on stifle (18).
5. a kind of piston built-in pneumatic vibrator according to claim 1 is characterized in that: described first radially pore (12), second radially the center line of pore (13), the first axial pore (10), the second axial pore (11) be positioned on same shaft section.
6. a kind of piston built-in pneumatic vibrator according to claim 5, it is characterized in that: described first radially pore (12), second radially pore (13) radially run through piston (4), first radially pore (12), second radially pore (13) and the first axial pore (10), the second axial pore (11) are crossing, described first radially pore (12), second radially be provided with plug (15) in pore (13).
7. a kind of piston built-in pneumatic vibrator according to claim 6 is characterized in that: the diameter of the first axial pore (10), the second axial pore (11) is greater than the first pore (12), second pore (13) radially radially.
8. a kind of piston built-in pneumatic vibrator according to claim 7, it is characterized in that: the diameter of the described first axial pore (10), the second axial pore (11) is 6-8mm, first radially pore (12), second radially the diameter of pore (13) be 1.5-3.5mm, the groove width of described the first air drain (5), the second air drain (6), the 3rd air drain (7), the 4th air drain (8) is 1-3mm.
9. a kind of piston built-in pneumatic vibrator according to claim 1, it is characterized in that: described piston (4) has an axial steam vent (19), described the first air drain (5), the second air drain (6) communicate with gas outlet (3) by steam vent (19), described steam vent (19) is blind hole, and the openend of steam vent (19) is established plug (15) screw.
10. a kind of piston built-in pneumatic vibrator according to claim 9, is characterized in that: described air inlet (2) connection inlet suction port (16), described gas outlet (3) connection silencer (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320047141XU CN203292049U (en) | 2013-01-25 | 2013-01-25 | Pneumatic vibrator with built-in piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320047141XU CN203292049U (en) | 2013-01-25 | 2013-01-25 | Pneumatic vibrator with built-in piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203292049U true CN203292049U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320047141XU Expired - Lifetime CN203292049U (en) | 2013-01-25 | 2013-01-25 | Pneumatic vibrator with built-in piston |
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| Country | Link |
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| CN (1) | CN203292049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100518A (en) * | 2013-01-25 | 2013-05-15 | 卧龙电气集团股份有限公司 | Pneumatic vibrator provided with internally-arranged piston |
-
2013
- 2013-01-25 CN CN201320047141XU patent/CN203292049U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100518A (en) * | 2013-01-25 | 2013-05-15 | 卧龙电气集团股份有限公司 | Pneumatic vibrator provided with internally-arranged piston |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |