CN204186688U - A kind of hydraulic damping cylinder and use pneumatic actuating device and the Windshield Wiper of this damped cylinder - Google Patents
A kind of hydraulic damping cylinder and use pneumatic actuating device and the Windshield Wiper of this damped cylinder Download PDFInfo
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- CN204186688U CN204186688U CN201420580558.7U CN201420580558U CN204186688U CN 204186688 U CN204186688 U CN 204186688U CN 201420580558 U CN201420580558 U CN 201420580558U CN 204186688 U CN204186688 U CN 204186688U
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- actuating device
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Abstract
The utility model relates to a kind of hydraulic damping cylinder and uses pneumatic actuating device and the Windshield Wiper of this damped cylinder, the damping piston that hydraulic damping cylinder comprises resistance cylinders, damping gear and moves left and right in the piston cavity of resistance cylinders, damping piston by it arrange the tooth bar extended in left-right direction and damping gear engagement driving; Damping piston is also provided with the drainback passage for being communicated with the left and right oil pocket being positioned at damping piston two ends, and drainback passage is provided with damping hole structure; The endoporus of damping gear is the mounting hole of corresponding pto＝power take-off.Above-mentioned pneumatic actuating device utilizes the incompressible characteristic of hydraulic oil in hydraulic damping cylinder, when rotary oscillation cylinder rapid operation, improve robust motion and the off-position accuracy of the output shaft of rotary oscillation cylinder, and then improve the operational reliability of the robust motion of rain brush assembly, off-position accuracy and Windshield Wiper.
Description
Technical field
The utility model relates to a kind of hydraulic damping cylinder and uses pneumatic actuating device and the Windshield Wiper of this damped cylinder.
Background technique
The pure pneumatically controlled windscreen wiper motor of a kind of rail locomotive is disclosed in Chinese patent literature CN203681493U, the drive unit of Windshield Wiper is rotary oscillation cylinder, rotary oscillation cylinder has output torque and locking moment is large, the feature of speed-regulating range width, but simultaneously again because the power source of rotary oscillation cylinder is compressible gas, the feed speed of piston is made to be difficult to control, easy generation vibration, causes rain brush to swing not steady.Especially, under the working condition of rotary oscillation cylinder rapid operation, when rain brush commutation swings, often because the effect of inertia of rotary oscillation cylinder makes rain brush generation impact position phenomenon, rain brush is damaged.Like this, the drive unit of existing Windshield Wiper just cannot meet the usage requirement of the above rail motor set of speed per hour 300km/h.
And the power source of oil hydraulic cylinder is incompressible hydraulic oil, its piston there will not be " creeping ", " certainly walking " phenomenon of cylinder piston, moves more steady.In order to accurately control operating rate and the position of rotary oscillation cylinder, make the motion of rain brush assembly more steady, this just requires characteristic in conjunction with rail motor set windscreen wiper and Environmental Conditions, develop a kind of Windshield Wiper with hydraulic damping cylinder, solve in cylinder operation process due to " creeping ", " certainly walking " phenomenon that gas compressibility causes, make rotary oscillation cylinder when rapid operation, rain brush assembly swings steadily, improves the operational reliability of Windshield Wiper.
Summary of the invention
The purpose of this utility model be to provide a kind of can with the hydraulic damping cylinder of rotary oscillation cylinder conbined usage, the object of rain brush assembly easy motion during to realize rotary oscillation cylinder rapid operation.Meanwhile, the utility model additionally provides a kind of pneumatic actuating device and the Windshield Wiper that use this damped cylinder.
For achieving the above object, the utility model adopts following technological scheme: a kind of hydraulic damping cylinder, the damping piston comprising resistance cylinders, damping gear and move left and right in the piston cavity of resistance cylinders, damping piston by it arrange the tooth bar extended in left-right direction and damping gear engagement driving; Damping piston is also provided with the drainback passage for being communicated with the left and right oil pocket being positioned at damping piston two ends, and drainback passage is provided with damping hole structure; The endoporus of damping gear is the mounting hole of corresponding pto＝power take-off.
Described damping hole structure comprises the plug screw of spinning on described drainback passage, and plug screw offers damping hole.
Described resistance cylinders comprises damped cylinder body and the cylinder cap of spinning at damped cylinder body two ends, and cylinder cap is provided with oil hole, and oil hole is installed with blocking.
A kind of pneumatic actuating device, comprise rotary oscillation cylinder, this pneumatic actuating device also comprises hydraulic damping cylinder, the damping piston that hydraulic damping cylinder comprises resistance cylinders, damping gear and moves left and right in the piston cavity of resistance cylinders, damping piston by it arrange the tooth bar extended in left-right direction and damping gear engagement driving; Damping piston is also provided with the drainback passage for being communicated with the left and right oil pocket being positioned at damping piston two ends, drainback passage is provided with damping hole structure; The output shaft of rotary oscillation cylinder stretches in resistance cylinders, and described damping gear is arranged on the mounting end of output shaft, and the cylinder body of rotary oscillation cylinder is together with resistance cylinders releasable connection.
Described damping hole structure comprises the plug screw of spinning on described drainback passage, and plug screw offers damping hole.
Described resistance cylinders comprises damped cylinder body and the cylinder cap of spinning at damped cylinder body two ends, and cylinder cap is provided with oil hole, and oil hole is installed with blocking.
A kind of Windshield Wiper, comprise rain brush assembly and pneumatic actuating device, described pneumatic actuating device comprises rotary oscillation cylinder, described rain brush assembly is arranged on the output terminal of the output shaft of rotary oscillation cylinder, described pneumatic actuating device also comprises hydraulic damping cylinder, the damping piston that described hydraulic damping cylinder comprises resistance cylinders, damping gear and moves left and right in the piston cavity of resistance cylinders, damping piston by it arrange the tooth bar extended in left-right direction and damping gear engagement driving; Damping piston is also provided with the drainback passage for being communicated with the left and right oil pocket being positioned at damping piston two ends, drainback passage is provided with damping hole structure; The output shaft of described rotary oscillation cylinder stretches in resistance cylinders, and described damping gear is arranged on the mounting end of output shaft, and the cylinder body of rotary oscillation cylinder is together with resistance cylinders releasable connection.
Described damping hole structure comprises the plug screw of spinning on described drainback passage, and plug screw offers damping hole.
Described resistance cylinders comprises damped cylinder body and the cylinder cap of spinning at damped cylinder body two ends, and cylinder cap is provided with oil hole, and oil hole is installed with blocking.
A kind of Windshield Wiper of the present utility model is by arranging the hydraulic damping cylinder together with the releasable connection of rotary oscillation cylinder, the gear of hydraulic damping cylinder is arranged on the output shaft of rotary oscillation cylinder, the pto＝power take-off of such rotary oscillation cylinder is as the power input shaft of hydraulic damping cylinder, utilize the incompressible characteristic of hydraulic oil, when rotary oscillation cylinder rapid operation, improve robust motion and the off-position accuracy of the pto＝power take-off of rotary oscillation cylinder, and then realize the robust motion improving rain brush assembly, the operational reliability of off-position accuracy and Windshield Wiper, simultaneously to remain again the use moment of the drive unit of this Windshield Wiper large for this set, speed-regulating range width, pattern controls simple, pipeline connects simple advantage.In addition, hydraulic damping cylinder and rotary oscillation cylinder are combined arrange also make the pneumatic actuating device of this Windshield Wiper simple and compact for structure, be convenient to install, reduce manufacture and operating cost, turn improve the integration degree of this Windshield Wiper.
Further, a kind of hydraulic damping cylinder of the present utility model is by spinning plug screw on drainback passage, and damping hole is offered on plug screw, such user can according to the user demand of different places, the adjustment of the pore size of damping hole is realized by changing the plug screw being provided with the damping hole of different pore size, realize the pressure difference of two oil pockets of both sides, damping adjusting hole further, to reach the damping function in various degree regulated the output shaft of oscillating cylinder, this structure is simple, be conducive to cutting down finished cost, and easy to use, be convenient to change.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment when using state of hydraulic damping cylinder in the utility model, simultaneously or the structural representation of a kind of embodiment of pneumatic actuating device;
Fig. 2 is the A-A sectional view of Fig. 1.
In figure, each reference character name is called: 1 blocking, 2 plug for seal circles, 3 cylinder caps, 4 cylinder cap seal rings, 5 damped cylinder bodies, 6 damping pistons, 7 plug screws, 8 piston packings, 9 support rings, 10 output shafts, 11 damping gears, 12 rotary oscillation cylinders.
Embodiment
A kind of hydraulic damping cylinder as shown in Figure 2, the damping piston 6 comprising resistance cylinders and move left and right in the piston cavity of resistance cylinders, damping piston 6 is provided with the tooth bar extended in left-right direction, this tooth bar and damping gear 11 engagement driving be arranged in resistance cylinders, the endoporus of damping gear is the mounting hole of corresponding pto＝power take-off.
Resistance cylinders comprises damped cylinder body and is arranged on the cylinder cap 3 at two ends, left and right of damped cylinder body, and two cylinder cap spirals are arranged on damped cylinder body 5 by conveniently dismounting, and runs through on two cylinder caps and have oil hole, and on oil hole, blocking 1 installed by spiral.Resistance cylinders is divided into two oil pockets by damping piston 6, namely the left oil pocket at the left and right two ends of damping piston, right oil pocket is laid respectively at, in order to prevent hydraulic oil in oil pocket to outward leakage, cylinder cap seal ring 4 is installed between cylinder cap and the inwall of damped cylinder body, between oil hole and blocking 1, plug for seal circle 2 is installed.Certainly, in other embodiments, above-mentioned oil hole also can only be arranged on a cylinder cap, or is arranged on damped cylinder body 5.
Above-mentioned damping piston 6 is also provided with the drainback passage for being communicated with two oil pockets, drainback passage is provided with damping hole structure.The conveniently pore size in damping adjusting hole, this damping hole structure comprises the plug screw 7 of spinning in the right-hand end of drainback passage, and plug screw 7 offers damping hole.Certainly, in other embodiments, the above-mentioned all right spinning of plug screw 7 is in the arbitrary position of the drainback passages such as the middle part of drainback passage or left end.
In order to prevent hydraulic oil from revealing, this hydraulic damping cylinder is also provided with piston packing 8 between damping piston 6 and the inwall of damped cylinder body.Wearing and tearing between damping piston 6 and the inwall of damped cylinder body, are also provided with support ring 9 on damping piston 6.
A kind of pneumatic actuating device as shown in Figure 1, comprises rotary oscillation cylinder 12 and hydraulic damping cylinder, and the structure of hydraulic damping cylinder is consistent with the structure of the hydraulic damping cylinder shown in Fig. 2, does not repeat them here.The cylinder piston that rotary oscillation cylinder comprises cylinder block, output shaft 10 and moves left and right in cylinder block, output shaft 10 rotates and is arranged in cylinder block, output shaft has mounting end and the output terminal for Power output, and cylinder piston is by the tooth bar that it is arranged and the gear cylinder engagement driving of mounting end being arranged on output shaft.The cylinder body of rotary oscillation cylinder 12 is together with resistance cylinders releasable connection, and output shaft stretches in resistance cylinders, and above-mentioned damping gear 11 is arranged on the mounting end of output shaft by the endoporus on it.
Windshield Wiper of the present utility model is primarily of rain brush assembly and pneumatic actuating device composition, and rain brush assembly comprises rain brush, brush holder support and support, and one end and the rain brush of brush holder support link together, and the other end and the support of brush holder support link together.Above-mentioned pneumatic actuating device is consistent with the pneumatic actuating device structure shown in Fig. 1, does not repeat them here.The support installing of above-mentioned rain brush assembly is on the output terminal of the output shaft of rotary oscillation cylinder.
Working principle of the present utility model: rotary oscillation cylinder 12 is drive unit, the output shaft 10 of rotary oscillation cylinder rotates and drives damping gear 11 to rotate, the convert rotational motion of damping gear 11 is the straight line motion of damping piston 6 by damping gear 11 and the tooth bar engagement driving on damping piston.When damping gear 11 rotates counterclockwise, damping piston 6 moves right, and damping piston 6 extrudes right oil pocket, and the hydraulic oil in right oil pocket flows into left oil pocket by drainback passage and through the damping hole of plug screw from right oil pocket; When damping gear 11 rotates clockwise, damping piston 6 is moved to the left, and damping piston 6 extrudes left oil pocket, and the hydraulic oil in left oil pocket flows into right oil pocket by drainback passage and through the damping hole of plug screw from left oil pocket.When hydraulic oil produces damping function through the damping hole of plug screw, because the diameter installing the tapped hole at plug screw place corresponding on drainback passage is fixed value, the plug screw of the replaceable identical diameter of thread, due to varying in size of the damping hole on each plug screw, just can the size of regulator solution force feed damping function easily by changing plug screw.
Be more than preferred embodiment of the present utility model, in other embodiments, above-mentioned damping hole structure can also be the nonadjustable damping hole be arranged on drainback passage.Certainly, those skilled in the art also can in varied situations, and carry out equivalent replacement according to the design general knowledge of related domain, it is all within protection domain of the present utility model.
Claims (9)
1. a hydraulic damping cylinder, is characterized in that: the damping piston comprising resistance cylinders, damping gear and move left and right in the piston cavity of resistance cylinders, damping piston by it arrange the tooth bar extended in left-right direction and damping gear engagement driving; Damping piston is also provided with the drainback passage for being communicated with the left and right oil pocket being positioned at damping piston two ends, and drainback passage is provided with damping hole structure; The endoporus of damping gear is the mounting hole of corresponding pto＝power take-off.
2. a kind of hydraulic damping cylinder according to claim 1, is characterized in that: described damping hole structure comprises the plug screw of spinning on described drainback passage, and plug screw offers damping hole.
3. a kind of hydraulic damping cylinder according to claim 1 and 2, is characterized in that: described resistance cylinders comprises damped cylinder body and the cylinder cap of spinning at damped cylinder body two ends, and cylinder cap is provided with oil hole, and oil hole is installed with blocking.
4. a pneumatic actuating device, comprise rotary oscillation cylinder, it is characterized in that: this pneumatic actuating device also comprises hydraulic damping cylinder, the damping piston that hydraulic damping cylinder comprises resistance cylinders, damping gear and moves left and right in the piston cavity of resistance cylinders, damping piston by it arrange the tooth bar extended in left-right direction and damping gear engagement driving; Damping piston is also provided with the drainback passage for being communicated with the left and right oil pocket being positioned at damping piston two ends, drainback passage is provided with damping hole structure; The output shaft of rotary oscillation cylinder stretches in resistance cylinders, and described damping gear is arranged on the mounting end of output shaft, and the cylinder body of rotary oscillation cylinder is together with resistance cylinders releasable connection.
5. a kind of pneumatic actuating device according to claim 4, is characterized in that: described damping hole structure comprises the plug screw of spinning on described drainback passage, and plug screw offers damping hole.
6. a kind of pneumatic actuating device according to claim 4 or 5, is characterized in that: described resistance cylinders comprises damped cylinder body and the cylinder cap of spinning at damped cylinder body two ends, and cylinder cap is provided with oil hole, and oil hole is installed with blocking.
7. a Windshield Wiper, comprise rain brush assembly and pneumatic actuating device, described pneumatic actuating device comprises rotary oscillation cylinder, described rain brush assembly is arranged on the output terminal of the output shaft of rotary oscillation cylinder, it is characterized in that: described pneumatic actuating device also comprises hydraulic damping cylinder, the damping piston that described hydraulic damping cylinder comprises resistance cylinders, damping gear and moves left and right in the piston cavity of resistance cylinders, damping piston by it arrange the tooth bar extended in left-right direction and damping gear engagement driving; Damping piston is also provided with the drainback passage for being communicated with the left and right oil pocket being positioned at damping piston two ends, drainback passage is provided with damping hole structure; The output shaft of described rotary oscillation cylinder stretches in resistance cylinders, and described damping gear is arranged on the mounting end of output shaft, and the cylinder body of rotary oscillation cylinder is together with resistance cylinders releasable connection.
8. a kind of Windshield Wiper according to claim 7, is characterized in that: described damping hole structure comprises the plug screw of spinning on described drainback passage, and plug screw offers damping hole.
9. a kind of Windshield Wiper according to claim 7 or 8, is characterized in that: described resistance cylinders comprises damped cylinder body and the cylinder cap of spinning at damped cylinder body two ends, and cylinder cap is provided with oil hole, and oil hole is installed with blocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580558.7U CN204186688U (en) | 2014-10-09 | 2014-10-09 | A kind of hydraulic damping cylinder and use pneumatic actuating device and the Windshield Wiper of this damped cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580558.7U CN204186688U (en) | 2014-10-09 | 2014-10-09 | A kind of hydraulic damping cylinder and use pneumatic actuating device and the Windshield Wiper of this damped cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186688U true CN204186688U (en) | 2015-03-04 |
Family
ID=52618697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420580558.7U Withdrawn - After Issue CN204186688U (en) | 2014-10-09 | 2014-10-09 | A kind of hydraulic damping cylinder and use pneumatic actuating device and the Windshield Wiper of this damped cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295559A (en) * | 2014-10-09 | 2015-01-21 | 平原机器厂（新乡） | Hydraulic damping cylinder and pneumatic driving device comprising damping cylinder as well as wiper |
| CN112879512A (en) * | 2021-01-12 | 2021-06-01 | 孙浩静 | Transmission equipment for improving meshing installation precision of gear and rack |
-
2014
- 2014-10-09 CN CN201420580558.7U patent/CN204186688U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295559A (en) * | 2014-10-09 | 2015-01-21 | 平原机器厂（新乡） | Hydraulic damping cylinder and pneumatic driving device comprising damping cylinder as well as wiper |
| CN104295559B (en) * | 2014-10-09 | 2017-01-25 | 平原机器厂（新乡） | Hydraulic damping cylinder and pneumatic driving device comprising damping cylinder as well as wiper |
| CN112879512A (en) * | 2021-01-12 | 2021-06-01 | 孙浩静 | Transmission equipment for improving meshing installation precision of gear and rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150304 Effective date of abandoning: 20170125 |