CN209491030U - A kind of pneumatic vibrator with leakage-proof structure - Google Patents
A kind of pneumatic vibrator with leakage-proof structure Download PDFInfo
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- CN209491030U CN209491030U CN201920122945.9U CN201920122945U CN209491030U CN 209491030 U CN209491030 U CN 209491030U CN 201920122945 U CN201920122945 U CN 201920122945U CN 209491030 U CN209491030 U CN 209491030U
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- axis
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- leakage
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Abstract
A kind of pneumatic vibrator with leakage-proof structure, belong to building machinery field, axis hole is provided on the end cap, axis is threaded through in end cap shaft hole, blind hole oral area is inlet suction port on axis, the axis hole inner circumferential opposite site of axis and end cap is respectively arranged with circular hole and notch, ball is provided in circular hole and notch relative position, by utilizing the utility model, it can be avoided in original structure from the gas leakage of axis and the linkage side of end cap shaft hole, it can guarantee that compression pressure will not be under pressure loss inside vibrator, improve the starting speed of gas shock, it ensure that the normal use of gas shock, the service life of vibrator can be extended.
Description
Technical field
The utility model relates to a kind of leakage-proof structure, in particular to a kind of pneumatic vibrator with leakage-proof structure belongs to
Building machinery field.
Background technique
Pneumatic vibrator device is to reach vibration purpose using pneumatic mode driving, is provided with set in general pneumatic vibrator device
Cylinder generates eccentric motion around the rotation of axis using sleeve and then generates vibrating effect, and this vibrator is widely used in water conservancy
Electric power building site, skyscraper in the construction of underground building, highway, railway, bridge and precast concrete etc., pass through vibration
So as to shorten the setting time of concrete, the intensity of concrete is improved, in addition to this, this pneumatic vibrator can also be assembled in
Effect of vibration is played in the equipment such as handling, transport, filtering, screening.
Patent 200920088382.2 discloses a kind of Pneumatic external vibrator, and Fig. 6 is that the overall structure of the prior art is shown
It is intended to.Pneumatic external vibrator includes casing 37 and end cap 28, and axis 21 is provided in casing 37, and 37 end of casing is provided with end cap
28, the depth blind hole 25 of axis direction is offered on axis 21, offers axial groove 23, axial groove 23 and blind hole on 21 outer surface of axis
It is connected between 25 by a round 24, axial groove 23 is provided with wind direction board 22, and the side of wind direction board 22 is provided with multiple wind direction holes
32, the periphery of axis 21 is equipped with internal rotor 26, and the periphery of internal rotor 26 is equipped with outer rotor 27, and 27 periphery of outer rotor is casing 37, machine
The internal diameter of shell 37 is greater than the outer diameter of outer rotor 27, and the diameter of outer rotor 27 is greater than the diameter of internal rotor 26, the internal diameter of internal rotor 26
Greater than the outer diameter of axis 21,37 both ends of casing are provided with step, and end cap 28 is provided on step, and two end cap 28 is fixed using bolt,
25 oral area of blind hole of axis 21 is connected with inlet suction port 29, and the blind hole 36 of wind direction is provided on wind direction board, is provided with key 35, key 35 on axis
It is connect with the end cap 28 at both ends, the side of end cap 28 offers outlet air and cheats 36 to blind, offers outlet on the end cap of other side
Hole 34, the gap 33 being provided between 27 periphery of casing inner circumferential and outer rotor will each other using key 35 between end cap 28 and axis 21
Between connect.In use, being sent into compressed air from inlet suction port 29, compressed air is produced by boasting from wind direction board 22, and compressed air is blown
The internal rotor 26 being arranged on the outside of moving axis 21 is rotated around axis 21, then blows outer rotor 27 around internal rotor 26 through the blind hole 36 of wind direction
Rotation, to generate vibration.
Fig. 7 is the side structure schematic diagram of the prior art.Handle 31, the side setting of casing 37 are provided on casing 37
The other side of load plate 46, casing is provided with foot 39, the casing of setting load plate 46 is equipped with vibrating bottom plate 30 on one side, vibration
Setting is provided with lug plate holes on otic placode 43, screw shaft 44, screw shaft 44 is equipped in lug plate holes there are two otic placode 43 on bottom plate 30
On be flexibly connected one end of screw rod 45, the upper surface of screw rod 45 carries on a shoulder pole two load plates 46 by transverse slat 47, and with the fixation of nut 48,
It is fixed with a pair of of vertical plate 41 on the vibrating bottom plate 30 of the casing side of foot 39, is provided with vertical plate hole, vertical plate hole on a pair of of vertical plate 41
It is provided with cross bar 40, the foot 39 of casing is fixed.
In the prior art, vibrator will appear in use from key 35 and 28 interconnecting piece gas leak phenomenon of end cap, reduce
How the pressure of compressed gas, be just avoided that the generation of gas leak phenomenon, be manufacturing firm and client very concern.
Summary of the invention
For leakage problem, the utility model can occur between Pneumatic external vibrator end cap and axis in the way of key connection
A kind of pneumatic vibrator with leakage-proof structure is provided, the purpose is to prevent vibrator from gas leak phenomenon occurring in use,
The normal use for guaranteeing pneumatic vibrator, extends the service life of vibrator.
The technical solution of the utility model is: a kind of pneumatic vibrator with leakage-proof structure, including casing, sets in casing
The outer rotor of the internal rotor, the setting of internal rotor periphery that are arranged outside the axis and axis set, the depth that the axle center of axis opens up in the axial direction are blind
Hole, axis periphery on be connected between the axial groove, axial groove and the blind hole that open up by a round, the end cap of casing end setting,
Casing two sides are respectively arranged with load plate and foot, and load plate is connect with vibrating bottom plate side using screw rod, and vibrating bottom plate is connected on foot
Other side is provided with axis hole on the end cap, and axis is threaded through in end cap shaft hole, and blind hole oral area is inlet suction port on axis, axis with
The axis hole inner circumferential opposite site of end cap is respectively arranged with circular hole and notch, is provided with ball in circular hole and notch relative position；
Further, the depth of the circular hole is equal to crown radius, and circular hole is equal with the diameter of ball；
Further, circular hole depth direction is opposite with axial groove depth direction on the axis, and circular hole is located at axial groove
The opposite direction of same diameter on axis；
It further, is interference fit between circular hole on the ball and axis, ball diameter tolerance is greater than circular hole tolerance 0.1-
0.2mm；
Further, setting is fluted on the outside of circular hole on the axis, and the center of circular hole and groove is located on same axial straight line,
Spacing between circular hole and groove neighboring edge is between 2 ± 0.5mm；
Further, the depth of the notch is equal to the radius of ball.
The utility model has the beneficial effect that by the way that circle is respectively set in axis and end cap upper shaft hole inner circumferential opposite site
Hole and notch can be provided with ball, the especially mistake on ball and axis between circular hole in circular hole and notch relative position
It is full of cooperation, the leakage of gas can be prevented, fluted by being arranged on the outside of circular hole on axis, the center of circular hole and groove is located at same
On one axial straight line, the spacing between circular hole and groove neighboring edge can prevent from being pressed into dress in ball between 2 ± 0.5mm
With damage circular hole in the process or it is difficult to be pressed into, when can be relieved indentation circular hole periphery fluted by being arranged on the outside of circular hole on axis
Resistance；By the way that circular hole depth direction on axis is opposite with axial groove depth direction, using the recoil from 23 outlet of axial groove
Mandrel is forced, the contact at 10 position of force opposite direction position ball that makes to recoil is even closer, to preventing gas leakage from playing certain work
With by can be avoided in original structure from the gas leakage of axis and the linkage side of end cap shaft hole using the utility model, it is ensured that compression
Gas pressure will not be under pressure loss inside vibrator, improve the starting speed of gas shock, ensure that gas shakes
The normal use of dynamic device, can extend the service life of vibrator.
Detailed description of the invention
The overall structure diagram of Fig. 1 the utility model.
The structural schematic diagram of Fig. 2 axis.
The schematic diagram of the section structure of Fig. 3 line A-A along Fig. 2.
The end structure illustration of Fig. 4 end cap.
The schematic diagram of the section structure of B-B direction end cap in Fig. 5 Fig. 3.
The overall structure diagram of Fig. 6 prior art.
The side structure schematic diagram of Fig. 7 prior art.
Specific embodiment
Referring to the drawings, the specific technical solution of the utility model is described in detail.The utility model is special
Benefit 200920088382.2 discloses the improvement on the basis of a kind of Pneumatic external vibrator, and improvement part is the technology in the application
Characteristic.
Label declaration in attached drawing: 10- ball, 11- groove, 12- circular hole, 13- notch, 21- axis, 22- wind direction board 23- axis
To slot, 24- round, 25- blind hole, 26- internal rotor, 27- outer rotor, 28- end cap, 29- inlet suction port, 30- bottom plate, 31- handle,
32- wind direction hole, the gap 33-, 34- venthole, 35- key, the blind hole of 36- wind direction, 37- casing, 39- foot, 40- cross bar, 41- vertical plate,
43- otic placode, 44- screw shaft, 45- screw rod, 46- carry on a shoulder pole plate, 47- transverse slat, 48- nut.
The technical solution of the utility model is a kind of pneumatic vibrator with leakage-proof structure, and Fig. 1 is the utility model
Overall structure diagram, Fig. 2 be axis structural schematic diagram, Fig. 3 is the schematic diagram of the section structure of the line A-A along Fig. 2.Gas
Dynamic vibrator includes casing 37, and the internal rotor 26 being arranged outside the axis 21 and axis 21 being arranged in casing 37,26 periphery of internal rotor are set
Offered in axial direction on the axle center of the outer rotor 27, axis 21 set deep blind hole 25, axis 21 periphery on the axial groove 23, axial that opens up
Be connected between slot 23 and blind hole 25 by a round 24, the end cap 28 that 37 end of casing is arranged, 37 two sides of casing it is respectively arranged
Load plate and foot 39, load plate 46 are indirectly connected with 30 side of vibrating bottom plate using screw rod 45, are connected on foot on foot 39 and are connected with vibration
30 other side of bottom plate is moved, is provided with axis hole on the end cap 28, axis 21 is threaded through in the axis hole of end cap 28, blind hole 25 on axis 21
Oral area is inlet suction port 29, and axis 21 and the axis hole inner circumferential opposite site of end cap 28 are respectively arranged with circular hole 12 and notch 13, circular hole
12 and 13 relative position of notch in be provided with ball 10.
The depth of the circular hole 12 is equal to 10 radius of ball, and circular hole 12 is equal with the diameter of ball 10.
12 depth direction of circular hole is opposite with 23 depth direction of axial groove on the axis 21, and circular hole 12 and axial groove 23 distinguish position
In the opposite direction of diameter same on axis 21.
To be interference fitted between circular hole 12 on the ball 10 and axis 21,10 diameter tolerance of ball is greater than 12 tolerance of circular hole
0.1- 0.2mm。
Fig. 4 is the end structure illustration of end cap.Fig. 5 is the schematic diagram of the section structure of B-B direction end cap in Fig. 4.The axis
Be arranged fluted 11 on 21 on the outside of circular hole 12, the center of circular hole 12 and groove 11 is located at same axis 21 on straight line, circular hole 12 and
Spacing between 11 neighboring edge of groove is between 2 ± 0.5mm.
The depth of the notch 13 is equal to the radius of ball 10, guarantees the close contact between ball 10 with this, guarantees
The leakproofness of gas.
In addition to above-mentioned technical characteristic, other disclose a kind of Pneumatic external vibrator phase with patent 200920088382.2
Together.
The utility model has the beneficial effect that by setting respectively in axis 21 and 28 upper shaft hole inner circumferential opposite site of end cap
Set circular hole 12 and notch 13, ball 10 can be provided in 13 relative position of circular hole 12 and notch, especially ball 10 with
It is to be interference fitted between circular hole 12 on axis 21, the leakage of gas can be prevented, it is recessed by being provided on the outside of circular hole 12 on axis 21
The center of slot 11, circular hole 12 and groove 11 is located at same axis 21 on straight line, between 11 neighboring edge of circular hole 12 and groove between
Away between 2 ± 0.5mm, capable of preventing from pressing to damage in people's assembling process in ball 10 circular hole 12 or being difficult to press people, by axis
It is arranged fluted 11 on 21 on the outside of circular hole 12, the resistance on 12 periphery of circular hole when can be relieved pressure people；By the way that circular hole 12 on axis 21 is deep
Degree direction is opposite with 23 depth direction of axial groove, using the recoil strength compression axis from 23 outlet of axial groove, keeps recoil strength opposite
The contact at 10 position of direction position ball is even closer, to preventing gas leakage from playing a role.By utilizing the utility model,
It can be avoided in original structure from the gas leakage of axis 21 and 25 side of linkage of 28 axis hole of end cap, it is ensured that compression pressure is in vibrator
Inside will not be under pressure loss, improve the starting speed of gas shock, ensure that the normal use of gas shock, can
Extend the service life of vibrator.
Claims (6)
- Interior turn be arranged outside the axis and axis being arranged 1. a kind of pneumatic vibrator with leakage-proof structure, including casing, in casing The axial direction opened up on the periphery of deep blind hole, axis that the axle center of outer rotor, axis that sub, internal rotor periphery is arranged opens up in the axial direction Be connected between slot, axial groove and blind hole by a round, casing end setting end cap, casing two sides be respectively arranged with load plate and Foot, load plate are connect with vibrating bottom plate side using screw rod, vibrating bottom plate other side are connected on foot, it is characterised in that: described Axis hole is provided on end cap, axis is threaded through in end cap shaft hole, and blind hole oral area is inlet suction port, the axis hole inner circumferential of axis and end cap on axis Opposite site is respectively arranged with circular hole and notch, is provided with ball in circular hole and notch relative position.
- 2. a kind of pneumatic vibrator with leakage-proof structure according to claim 1, it is characterised in that: the depth of the circular hole Degree is equal to crown radius, and circular hole is equal with the diameter of ball.
- 3. a kind of pneumatic vibrator with leakage-proof structure according to claim 1, it is characterised in that: circular hole on the axis Depth direction is opposite with axial groove depth direction, and circular hole is located at the opposite direction of same diameter on axis with axial groove.
- 4. a kind of pneumatic vibrator with leakage-proof structure according to claim 1, it is characterised in that: the ball and axis It is interference fit between upper circular hole, ball diameter tolerance is greater than circular hole tolerance 0.1- 0.2mm.
- 5. a kind of pneumatic vibrator with leakage-proof structure according to claim 1, it is characterised in that: circular hole on the axis Outside setting is fluted, and the center of circular hole and groove is located on same axial straight line, between circular hole and groove neighboring edge between Away between 2 ± 0.5mm.
- 6. a kind of pneumatic vibrator with leakage-proof structure according to claim 1, it is characterised in that: the depth of the notch Degree is equal to the radius of ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122945.9U CN209491030U (en) | 2019-01-24 | 2019-01-24 | A kind of pneumatic vibrator with leakage-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122945.9U CN209491030U (en) | 2019-01-24 | 2019-01-24 | A kind of pneumatic vibrator with leakage-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209491030U true CN209491030U (en) | 2019-10-15 |
Family
ID=68155986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122945.9U Active CN209491030U (en) | 2019-01-24 | 2019-01-24 | A kind of pneumatic vibrator with leakage-proof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209491030U (en) |
-
2019
- 2019-01-24 CN CN201920122945.9U patent/CN209491030U/en active Active
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