CN208565124U - A kind of pneumatic rotatable mechaninism - Google Patents
A kind of pneumatic rotatable mechaninism Download PDFInfo
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- CN208565124U CN208565124U CN201820859913.2U CN201820859913U CN208565124U CN 208565124 U CN208565124 U CN 208565124U CN 201820859913 U CN201820859913 U CN 201820859913U CN 208565124 U CN208565124 U CN 208565124U
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- cylinder
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Abstract
The utility model relates to a kind of pneumatic rotatable mechaninisms, including shell, gear shaft and driving mechanism, driving mechanism includes cylinder and rack gear, cylinder includes piston rod, piston and cylinder body, one end of piston rod is provided with the first air flue, the other end is provided with the second air flue, the axial side of piston is provided at least two first air drains, the other side is provided at least two second air drains, and the inner cavity of the cylinder body of the side of piston is in communication with the outside by the first air flue and the first air drain, the inner cavity of the cylinder body of the other side is in communication with the outside by the second air flue and the second air drain.The purpose of this utility model by the way that cylinder is arranged on the shell, and the rack gear being meshed with gear shaft is arranged in the outer wall of cylinder body, when ventilating to cylinder, cylinder body is moved in parallel along piston rod, is rotated by rack drives gear shaft, and moving in parallel for cylinder is converted to rotation；By the way that guide part is arranged, prevents cylinder body from deflecting during the motion, influence the engagement of rack and pinion axis, while being convenient for will be on fixed outer cylinder shell.
Description
Technical field
The utility model belongs to cylinder technical field, is related to a kind of pneumatic rotatable mechaninism.
Background technique
Currently, common compressed air is that the rotation of power drives the air motor driving passed through mostly.They main
Working media is all compressed air, by the expansion of compressed air, is changed in a manner of volume etc. by the pressure of gas, is realized
Conversion of the pressure energy to rotary machine energy；Vane type motor structural volume is small, light-weight, structure is simple, be commonly used in low capacity,
Under conditions of high revolving speed, low torque, but the shortcomings that there are air consumptions is larger, low efficiency.Gear type motor configuration can export height
Torque, the slow-speed of revolution, but structure is complicated, torque pulsation is larger, efficiency is lower.Piston type motor structure relative vane formula and gear
Formula can export high-power and torque, but opposite electric notor or hydraulic motor torque or lower, and structure is complicated, row
There is compression negative work in gas process, efficiency is lower.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of pneumatic rotatable mechaninisms, by the way that gas is arranged on the shell
Cylinder, and the rack gear being meshed with gear shaft is set in the outer wall of cylinder body, when ventilating to cylinder, cylinder body does parallel shifting along piston rod
It is dynamic, it is rotated by rack drives gear shaft, moving in parallel for cylinder is converted into rotation；By the way that guide part is arranged, cylinder body is prevented
It deflects during the motion, influences the engagement of rack and pinion axis, while being convenient for will be on fixed outer cylinder shell.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of pneumatic rotatable mechaninism, including shell, the gear shaft being rotatably provided on the shell and for driving
State gear shaft rotation driving mechanism, the driving mechanism include cylinder and be removably arranged in the outer wall of the cylinder with
The rack gear that the gear shaft is meshed, the cylinder include piston rod, be removably arranged in piston on the piston rod and
The cylinder body that can be slided along the piston rod, one end of the piston rod is provided with the first air flue, the other end is provided with the second air flue,
The axial side of the piston is provided at least two first air drains, the other side is provided at least two second air drains, the work
The inner cavity of the cylinder body of the side of plug is in communication with the outside by first air flue and the first air drain, the cylinder body of the other side
Inner cavity be in communication with the outside by second air flue and the second air drain.
Further, the outer wall side of the cylinder body is provided with convenient for connecting the fixed strip of the rack gear, the other side is provided with
The gib block for preventing cylinder body from rotating.
Further, the dovetail groove convenient for rack gear insertion is provided on the fixed strip, be provided on the rack gear with
The dovetail of dovetail groove cooperation is provided with the resilient key convenient for rack gear being fixed on the fixed strip on the fixed strip,
Through being arranged on the two sidewalls of the dovetail groove, the resilient key is two and is located at the two of the dovetail groove resilient key
End.
Further, the shell includes cylinder, and the side of the cylinder is removably provided with guide part, the cylinder with
The sliding slot at the both ends convenient for the fixed piston rod is provided on the connected two sidewalls of the guide part.
Further, the both ends of the piston rod are provided with the interconnecting piece matched with the sliding slot, and the interconnecting piece is cut
Face is square, the guide part include guide plate and be arranged in the guide plate both ends convenient for the interconnecting piece is compressed
Briquetting in the sliding slot is provided with the strip-shaped hole convenient for gib block sliding on the guide plate.
Further, rod aperture, the axial sides passed through convenient for the piston rod that are provided centrally with of the piston are provided with appearance
Receive the groove of shaft block ring, the bottom of the groove in the left side of the piston is provided at least two first air drains, right side
The bottom of the groove is provided at least two second air drains.
Further, the distance of the radial outer end of first air drain and the second air drain to piston centre is greater than shaft block ring
The radius of outer wall.
Further, first air flue include be set gradually from left to right on the piston rod include the first main gas
Road, at least two first branch airway and the first ventilation annular groove, second air flue include being successively set on the work from right to left
The second main airway, at least two second branch airway and the second ventilation annular groove on stopper rod.
Further, the outer wall of the piston rod also sets up closure gasket groove, and the closure gasket groove is located at first ventilation ring
Between slot and the second ventilation annular groove.
Further, the bottom of the first ventilation annular groove is provided with the first connection for being connected to first branch airway
Mouthful, the minimum range of the left side wall of first connector to the first ventilation annular groove is greater than the thickness of shaft block ring, described
The bottom of second ventilation annular groove is provided with the second connector for being connected to second branch airway, second connector to institute
The minimum range for stating the right side wall of the second ventilation annular groove is greater than the thickness of shaft block ring.
The utility model has the beneficial effects that:
The first, by the way that cylinder is arranged on the shell, and the rack gear being meshed with gear shaft is set in the outer wall of cylinder body, when right
When cylinder is ventilated, cylinder body is moved in parallel along piston rod, is rotated by rack drives gear shaft, and cylinder is moved in parallel conversion
For rotation.
The second, it by setting guide part, prevents cylinder body from deflecting during the motion, influences nibbling for rack and pinion axis
It closes, while being convenient for will be on fixed outer cylinder shell.
Third, by the way that the first air flue and the second air flue is respectively set at piston rod both ends, drive cylinder convenient for external air source,
The first air drain being connected to the first air flue and the second air drain with the second air flue two is respectively set in the axial sides of piston, avoids
When piston and cylinder bottom or cylinder cap inner surface contact, inlet and outlet are influenced.
4th, the axial sides of piston are fixed on the piston rod by shaft block ring, easy for installation, relatively other fixed
Mode increases the stroke of cylinder body.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is a kind of structural schematic diagram of pneumatic rotatable mechaninism of the utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the structural schematic diagram of the cylinder of the utility model；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the structural schematic diagram of the piston rod of the utility model；
Fig. 6 is the enlarged view in Fig. 5 at A；
Fig. 7 is the structural schematic diagram of the guide part of the utility model.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
As shown in figs. 1-7, a kind of pneumatic rotatable mechaninism, including shell 1,2 and of the gear shaft being rotatably provided on shell 1
For the driving mechanism 3 that gear shaft 2 rotates, shell includes mounting flange and cylinder, and gear shaft stretches out mounting flange end and sets
It is equipped with the internal spline for connecting driven member, driving mechanism 3 includes cylinder 31 and the outer wall that cylinder 31 is removably arranged in
The rack gear 32 being meshed with gear shaft 2, cylinder 31 includes piston rod 311, piston on piston rod 311 is removably arranged in
312 and the cylinder body 313 that can slide along piston rod 311, cylinder body 313 is cylinder barrel open at one end, and open end is provided with cylinder cap 314,
The bottom of cylinder body 313 is provided with the bottom outlet passed through convenient for piston rod 311, and the inner wall of bottom outlet is anti-from being disposed with first inward outside
Konisphere and the first sealing ring；Be provided with the cap bore passed through convenient for piston rod 311 on cylinder cap 314, the inner wall of cap bore from outside inward according to
It is secondary to be provided with the second dustband and the second sealing ring, it is additionally provided with third sealing ring between cylinder cap 314 and cylinder body 313, passes through setting
First dustband and the second dustband avoid dust or other impurity from entering, and influence making for the first sealing ring and the second sealing ring
Use the service life；Support ring and the 4th sealing ring are provided on the outer wall of piston 312, the 4th sealing ring is two and is located at support ring
Two sides, cylinder cap are fixed on the open end of cylinder body by the first bolt；One end of piston rod 311 is provided with the first air flue 4, the other end
It is provided with the second air flue 5, the axial side of piston 312 is provided at least two first air drains 6, the other side is provided at least two
The inner cavity of second air drain 7, the cylinder body 313 of the side of piston 312 is in communication with the outside by the first air flue 4 and the first air drain 6, is another
The inner cavity of the cylinder body 313 of side is in communication with the outside by the second air flue 5 and the second air drain 7；When ventilating to cylinder, cylinder body is along piston
Bar moves in parallel, and by the way that the gear shaft with rack gear cooperation is arranged, band movable gear shaft rotates, moving in parallel for cylinder is converted to
Rotation；By the way that the first air flue and the second air flue is respectively set at piston rod both ends, cylinder is driven convenient for external air source.
In the present embodiment, the outer wall side of cylinder body 313 is provided with the fixed strip 33 convenient for connection rack gear 32, other side setting
There is the gib block 34 for preventing cylinder body 313 from rotating；Fixed strip and gib block are fixed by welding in opposite two outer wall of cylinder body,
It is welded and fixed, the processing is simple, connection is reliable；It is provided with the dovetail groove being inserted into convenient for rack gear 32 on fixed strip 33, is set on rack gear 32
It is equipped with the dovetail with dovetail groove cooperation, the resilient key convenient for rack gear 32 being fixed on fixed strip 33 is provided on fixed strip 33
35, through being arranged on the two sidewalls of dovetail groove, resilient key 35 is two and is located at the both ends of dovetail groove resilient key 35；By setting
Dovetail groove is set, convenient for assembly rack gear；By the way that resilient key is arranged, rack gear is easily installed and replaced.
In the present embodiment, shell 1 includes cylinder 11, and the side of cylinder 11 is removably provided with guide part 8, and guide part is logical
Bolt is crossed to be fixed on cylinder, the main function of guide part is to prevent cylinder body from deflecting during the motion, influence rack gear with
The engagement of gear shaft, secondary role are that cylinder is fixed on cylinder, are provided on the two sidewalls that cylinder 11 is connected with guide part 8
Cylinder is easily installed by the way that sliding slot is arranged convenient for the sliding slot at the both ends of fixed piston rod 311.
In the present embodiment, the both ends of piston rod 311 are provided with the interconnecting piece matched with sliding slot, and the section of interconnecting piece is positive
It is rectangular, guide part 8 include guide plate 81 and be arranged in guide plate 81 both ends convenient for the pressure that is pressed on interconnecting piece in sliding slot
Block 82 is provided with the strip-shaped hole slided convenient for gib block 34 on guide plate 81.
In the present embodiment, rod aperture, the axial sides passed through convenient for piston rod 311 that are provided centrally with of piston 312 are provided with
The groove of shaft block ring 315 is accommodated, the axial sides of piston are fixed on the piston rod by shaft block ring, and it is easy for installation, relatively
Other fixed forms increase the stroke of cylinder body；The bottom of the groove in the left side of piston 312 is provided at least two first gas
Slot 6, right side the bottom of groove be provided at least two second air drains 7；The radial outer end of first air drain 6 and the second air drain 7 arrives
The distance at 312 center of piston is greater than the radius of the outer wall of shaft block ring 315；Shaft block ring is avoided to stop the first air drain and the second gas
The side of slot, influences inlet and outlet.
In the present embodiment, the first air flue 4 includes the first main airway on piston rod 311 including being set gradually from left to right
41, at least two first branch airway 42 and the first ventilation annular groove 43, the second air flue 5 include being successively set on piston rod from right to left
The second main airway 51, at least two second branch airway 52 and the second ventilation annular groove 53 on 311；First main airway 41 and second is main
The outer end of air flue 51 is provided with connection screw thread, by setting connection screw thread convenient for connection tracheae；The first of first ventilation annular groove
Effect is that shaft block ring is placed in the first branch airway of connection and the first air drain, the second effect；The first of second ventilation annular groove acts on
It is connected to the second branch airway and shaft block ring, the depth of the first ventilation annular groove and the second ventilation annular groove is placed in the second air drain, the second effect
Degree meets the depth standards of shaft block ring annular groove；The bottom of first ventilation annular groove 43 is provided with for being connected to the first branch airway 42
The minimum range of first connector 44, the left side wall of the first connector 44 to the first ventilation annular groove 43 is greater than shaft block ring 315
The bottom of thickness, the second ventilation annular groove 53 is provided with the second connector 54 for being connected to the second branch airway 52, the second connector
The minimum range of the right side wall of 54 to the second ventilation annular groove 53 is greater than the thickness of shaft block ring 315；Avoid shaft block ring occlusion part
The outlet for dividing the first and second branch airway, influences the circulation of air-flow.
In the present embodiment, the outer wall of piston rod 311 also sets up closure gasket groove 3111, and closure gasket groove 3111 is located at the first ventilation
Between annular groove 43 and the second ventilation annular groove 53；Convenient for setting O-ring seals, prevent the gas of the axial sides of piston from mutually ganging up,
Influence the normal use of cylinder.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (10)
1. a kind of pneumatic rotatable mechaninism, it is characterised in that: including shell, the gear shaft being rotatably provided on the shell and use
In the driving mechanism for driving the gear shaft rotation, the driving mechanism includes cylinder and the cylinder is removably arranged in
The rack gear of outer wall being meshed with the gear shaft, the cylinder include piston rod, dismountable setting on the piston rod
Piston and can along the piston rod slide cylinder body, one end of the piston rod is provided with the first air flue, the other end is provided with
Second air flue, the axial side of the piston is provided at least two first air drains, the other side is provided at least two second gas
Slot, the inner cavity of the cylinder body of the side of the piston is in communication with the outside by first air flue and the first air drain, the other side
The inner cavity of the cylinder body be in communication with the outside by second air flue and the second air drain.
2. a kind of pneumatic rotatable mechaninism according to claim 1, it is characterised in that: the outer wall side of the cylinder body is provided with
The fixed strip of the connection rack gear, the other side are provided with the gib block for preventing cylinder body from rotating.
3. a kind of pneumatic rotatable mechaninism according to claim 2, it is characterised in that: be provided on the fixed strip convenient for institute
The dovetail groove of rack gear insertion is stated, the dovetail with dovetail groove cooperation is provided on the rack gear, is provided on the fixed strip
Convenient for rack gear being fixed on the resilient key on the fixed strip, the resilient key runs through the two sidewalls that the dovetail groove is arranged in
On, the resilient key is two and is located at the both ends of the dovetail groove.
4. a kind of pneumatic rotatable mechaninism according to claim 2, it is characterised in that: the shell includes cylinder, the cylinder
The side of body is removably provided with guide part, is provided on the two sidewalls that the cylinder is connected with the guide part convenient for fixing
The sliding slot at the both ends of the piston rod.
5. a kind of pneumatic rotatable mechaninism according to claim 4, it is characterised in that: the both ends of the piston rod be provided with
The section of the interconnecting piece that the sliding slot matches, the interconnecting piece is square, and the guide part includes that guide plate and setting exist
The both ends of the guide plate convenient for the interconnecting piece is pressed on the briquetting in the sliding slot, be provided with just on the guide plate
In the strip-shaped hole of gib block sliding.
6. a kind of pneumatic rotatable mechaninism according to claim 1, it is characterised in that: being provided centrally with for the piston is convenient for
Rod aperture that the piston rod passes through, axial sides are provided with the groove for accommodating shaft block ring, the groove in the left side of the piston
Bottom is provided at least two first air drains, the bottom of the groove on right side is provided at least two second gas
Slot.
7. a kind of pneumatic rotatable mechaninism according to claim 6, it is characterised in that: first air drain and the second air drain
The distance of radial outer end to piston centre is greater than the radius of the outer wall of shaft block ring.
8. -7 any a kind of pneumatic rotatable mechaninism according to claim 1, it is characterised in that: first air flue include from
Left-to-right be successively set on the piston rod includes the first main airway, at least two first branch airway and the first ventilation ring
Slot, second air flue include the second main airway being successively set on the piston rod from right to left, at least two second
Air flue and the second ventilation annular groove.
9. a kind of pneumatic rotatable mechaninism according to claim 8, it is characterised in that: the outer wall of the piston rod also sets up close
Seal ring slot, the closure gasket groove are located between the first ventilation annular groove and the second ventilation annular groove.
10. a kind of pneumatic rotatable mechaninism according to claim 8, it is characterised in that: the bottom of the first ventilation annular groove
It is provided with the first connector for being connected to first branch airway, first connector a to left side for the first ventilation annular groove
The minimum range of side wall is greater than the thickness of shaft block ring, and the bottom of the second ventilation annular groove is provided with for being connected to described second
The minimum range of second connector of branch airway, the right side wall of second connector to the second ventilation annular groove is used greater than axis
The thickness of retaining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820859913.2U CN208565124U (en) | 2018-06-01 | 2018-06-01 | A kind of pneumatic rotatable mechaninism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820859913.2U CN208565124U (en) | 2018-06-01 | 2018-06-01 | A kind of pneumatic rotatable mechaninism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565124U true CN208565124U (en) | 2019-03-01 |
Family
ID=65485272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820859913.2U Expired - Fee Related CN208565124U (en) | 2018-06-01 | 2018-06-01 | A kind of pneumatic rotatable mechaninism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192693A (en) * | 2019-07-01 | 2019-09-03 | 陶紫鑫 | A kind of height-adjustable upper of a shoe process equipment of major part leather shoes processing |
-
2018
- 2018-06-01 CN CN201820859913.2U patent/CN208565124U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192693A (en) * | 2019-07-01 | 2019-09-03 | 陶紫鑫 | A kind of height-adjustable upper of a shoe process equipment of major part leather shoes processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20200601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |