CN111245153A - Connecting shaft push rod structure, driving push rod structure and multi-push rod device - Google Patents
Connecting shaft push rod structure, driving push rod structure and multi-push rod device Download PDFInfo
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- CN111245153A CN111245153A CN202010108716.9A CN202010108716A CN111245153A CN 111245153 A CN111245153 A CN 111245153A CN 202010108716 A CN202010108716 A CN 202010108716A CN 111245153 A CN111245153 A CN 111245153A
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- shaft
- push rod
- telescopic
- driving
- rod structure
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- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000009467 reduction Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a connecting shaft push rod structure, a driving push rod structure and a multi-push rod device, relating to the technical field of push rod driving equipment, wherein the technical scheme of the connecting shaft push rod structure comprises a reversing gear box, a telescopic outer cylinder, an outer connecting shaft, a telescopic driving screw rod, a telescopic driving screw nut and an inner cylinder, wherein the outer connecting shaft is rotatably connected with the reversing gear box, two ends of the outer connecting shaft are positioned outside the reversing gear box, a first bevel gear is arranged on the outer connecting shaft, the telescopic driving screw rod is rotatably connected in the telescopic outer cylinder, the telescopic driving screw rod is vertical to the outer connecting shaft, a second bevel gear is arranged on the telescopic driving screw rod, the first bevel gear is meshed with the second bevel gear, the telescopic driving screw rod is in threaded connection with the telescopic driving screw nut, the inner cylinder is slidably connected with the telescopic outer cylinder, and the inner, the effect that a plurality of push rod structures can be driven by the same driving device is achieved.
Description
Technical Field
The invention relates to the technical field of push rod driving equipment, in particular to a connecting shaft push rod structure, an active push rod structure and a multi-push rod device.
Background
The existing electric push rods are mainly in a single-push-rod single-drive-motor mode, namely, each push rod is provided with a drive motor, and the drive force of the drive motor only drives the push rods to stretch. When the push rod is used in a place needing simultaneous synchronous driving of multiple points, a plurality of push rods with driving are needed, the mode needs to synchronously control the operation of each driving motor, the control is complex, the reliability is poor, the control circuit of each driving motor is difficult to arrange, and the use cost is high.
Disclosure of Invention
Therefore, the invention provides a connecting shaft push rod structure, an active push rod structure and a multi-push rod device, and aims to solve the problems that in the prior art, an electric push rod is mainly in a single-push-rod single-drive-motor mode, so that the control is complex, the reliability is poor, control circuits of all drive motors are difficult to arrange, and the use cost is high.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a link axle push rod structure, includes reversing gear case, flexible urceolus, outer spiale, flexible drive lead screw, flexible drive screw and inner tube, outer spiale swivelling joint is in reversing gear case, and outer spiale both ends are located outside the reversing gear case, are provided with first bevel gear on the outer spiale, and flexible drive lead screw swivelling joint is in flexible urceolus, and flexible drive lead screw perpendicular to outer spiale is provided with second bevel gear on the flexible drive lead screw, first bevel gear with second bevel gear meshing, flexible drive lead screw with flexible drive screw threaded connection, inner tube sliding connection is in flexible urceolus, the inner tube with flexible drive screw fixed connection.
Furthermore, a thrust bearing is arranged at the connecting position of the reversing gear box and the telescopic outer barrel, and the telescopic driving screw rod is rotatably connected into the telescopic outer barrel through the thrust bearing.
Further, one end, deviating from the telescopic driving screw, of the inner barrel is provided with a lower mounting seat, and a lower mounting hole is formed in the lower mounting seat.
Furthermore, an upper mounting seat is arranged at one end, away from the telescopic outer barrel, of the reversing gear box, and an upper mounting hole is formed in the upper mounting seat.
Furthermore, the reversing gear box both sides are provided with the installation shaft shoulder respectively, the external shaft is connected in reversing gear box through installation shaft shoulder rotation.
The invention also provides a driving push rod structure which comprises a connecting shaft push rod structure and a driving device, wherein the driving device comprises a driving shaft and a driving motor, the driving shaft is rotationally connected to the reversing gear box, the axis of the driving shaft is parallel to the rotation axis of the telescopic driving screw rod, a third bevel gear is arranged on the driving shaft, the third bevel gear is meshed with the first bevel gear, the driving motor is fixedly arranged on the outer wall of the reversing gear box, and a rotating shaft of the driving motor is in transmission connection with the driving shaft through a gear set.
Further, the gear set includes at least two reduction gears in meshed transmission with each other.
The invention also provides a multi-push rod device which comprises a connecting shaft push rod structure and an active push rod structure, wherein an external shaft of the connecting shaft push rod structure and an external shaft of the active push rod structure are coaxial, and the external shafts are in transmission connection.
Furthermore, the two sides of the driving push rod structure of the connecting shaft push rod structure are provided with two or more than two connecting shaft push rod structures, the two connecting shaft push rod structures are respectively positioned in the external connecting shafts of the connecting shaft push rod structure and the driving push rod structure, and the two adjacent external connecting shafts are in transmission connection.
Furthermore, the external connecting shafts are driven by the transmission shafts, and two ends of each transmission shaft are fixedly connected with the end parts of the two external connecting shafts respectively.
The invention has the following advantages:
when the telescopic driving screw rod of the connecting shaft push rod structure rotates, the inner cylinder can be driven to stretch through the telescopic driving screw nut, the push rod function is achieved, the outer connecting shaft can be connected with external power or connected with other connecting shaft push rod structures, when the outer connecting shafts between the connecting shaft push rod structures are connected with each other, synchronous driving of the connecting shaft push rod structures through the same driving motor can be achieved, and the connecting shaft push rod structure has the advantages of being simple in control, good in reliability, simple in wiring, low in use cost and the like compared with a single push rod single driving motor mode.
The driving push rod structure is characterized in that a driving device is installed on the connecting shaft push rod structure, the connecting shaft push rod structure can be driven to operate through the driving device, and the connecting shaft push rod structure of the driving push rod structure can be connected with external connecting shafts of other connecting shaft push rod structures, so that the driving push rod structure can synchronously drive other connecting shaft push rod structures to operate when operating.
The multi-push rod device comprises an active push rod structure and a connecting shaft push rod structure, and can synchronously drive two or more connecting shaft push rod structures to operate through an active driving device of the active push rod structure, so that the multi-point simultaneous synchronous driving function is realized, and the installation and the use are both convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is a sectional view of a shaft connecting push rod structure provided in embodiment 1;
fig. 2 is a schematic view of an overall structure of an active push rod structure provided in embodiment 2;
FIG. 3 is an exploded view of the reversing gearbox in accordance with embodiment 2;
FIG. 4 is a sectional view of a reversing gearbox in embodiment 2;
fig. 5 is a schematic view of the overall structure of a multi-putter device according to embodiment 3;
in the figure: 1. a reversing gear box; 11. a thrust bearing; 12. an upper mounting seat; 121. an upper mounting hole; 13. mounting a shaft shoulder; 2. a telescopic outer cylinder; 3. an external shaft; 31. a first bevel gear; 4. a telescopic driving screw rod; 41. a second bevel gear; 5. a telescopic driving screw; 6. an inner barrel; 61. a lower mounting seat; 611. a lower mounting hole; 7. a drive shaft; 71. a third bevel gear; 8. a drive motor; 9. a reduction gear; 101. a drive shaft.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 protection scope of the present invention.
A shaft-connecting push rod structure is shown in figure 1 and comprises a reversing gear box 1, a telescopic outer barrel 2, an external shaft 3, a telescopic driving screw rod 4, a telescopic driving screw nut 5 and an inner barrel 6, wherein the reversing gear box 1 is fixedly connected with one end of the telescopic outer barrel 2, the external shaft 3 is rotatably connected with the reversing gear box 1, the central line of the external shaft 3 is vertical to the central line of the telescopic outer barrel 2, two ends of the external shaft 3 are positioned outside the reversing gear box 1, the part of the external shaft 3, which is positioned in the reversing gear box 1, is provided with a first bevel gear 31, the telescopic driving screw rod 4 is rotatably connected with the telescopic outer barrel 2, the telescopic driving screw rod 4 is coaxial with the telescopic outer barrel 2, the telescopic driving screw rod 4 is vertical to the external shaft 3, one end of the telescopic driving screw rod 4 is positioned in the reversing gear box 1, one end, which is positioned, the telescopic driving screw 5 is located in the outer barrel, the telescopic driving screw 4 is in threaded connection with the telescopic driving screw 5, the inner barrel 6 and the telescopic outer barrel 2 are coaxial, the outer diameter of the inner barrel 6 is the same as the inner diameter of the telescopic outer barrel 2, the inner barrel 6 is connected to the telescopic outer barrel 2 in a sliding mode, and the inner barrel 6 is fixedly connected with the telescopic driving screw 5.
When the external connecting shaft 3 rotates, the telescopic driving screw rod 4 can be driven to rotate, the telescopic driving screw rod 4 and the telescopic driving screw nut 5 form a screw rod screw nut transmission structure, and then the inner cylinder 6 is driven by the telescopic driving screw nut 5 to slide along the telescopic outer cylinder 2 when the telescopic driving screw rod 4 rotates, so that the function of a push rod is realized. The external connecting shaft 3 is used as an input shaft and an output shaft, and can be connected with other connecting shaft push rod structures to realize linkage besides being driven by the connecting shaft push rod structure.
Preferably, a thrust bearing 11 is arranged at the connecting position of the reversing gear box 1 and the telescopic outer barrel 2, the telescopic driving screw rod 4 is rotatably connected in the telescopic outer barrel 2 through the thrust bearing 11, the telescopic driving screw rod 4 can be rotated more smoothly through the arrangement of the thrust bearing 11, and when the connecting shaft push rod structure is used as a push rod, the thrust bearing 11 can also play a supporting role for the telescopic driving screw rod 4, so that the abrasion of the switching position during long-term use is avoided.
The inner tube 6 deviates from the one end of flexible drive screw 5 and is provided with down mount pad 61, and lower mount pad 61 one end is rotated and is connected in inner tube 6, deviates from the first end of inner tube 6 on the lower mount pad 61 and is equipped with down mounting hole 611, and mount pad 61 can make things convenient for even axle push rod structure to deviate from 1 one end of reversing gear case and other component switching down in the setting.
The reversing gear case 1 deviates from flexible urceolus 2 one end and is provided with mount pad 12, goes up and is equipped with mounting hole 121 on the mount pad 12, goes up mount pad 12 one end and reversing gear case 1 fixed connection, and fixed mode can be for the welding, goes up mounting hole 121 and is located mount pad 12 and deviates from reversing gear case 1 one end, sets up mount pad 12 and can conveniently even a push rod structure reversing gear case 1 one end and other component switching.
As an alternative to the upper mounting base 12, the reversing gear box 1 is provided with a mounting shoulder 13 and a mounting shoulder 13 on each side, the external shaft 3 is penetrated by the mounting shoulder 13 and is rotatably connected to the reversing gear box 1 through the mounting shoulder 13, and a bearing can be arranged in the mounting shoulder 13 and is rotatably connected to the external shaft 3 through the bearing. The mounting shoulder 13 may also be used for rotational connection with other components.
Example two
With reference to fig. 2 to 4, this embodiment provides an active push rod structure based on the first embodiment, where the active push rod structure includes a connecting shaft push rod structure and an active driving device, the active driving device includes a driving shaft 7 and a driving motor 8, the driving shaft 7 is located on one side of the external shaft 3 away from the telescopic driving screw rod 4, the driving shaft 7 is rotatably connected to the reversing gear box 1, an axis of the driving shaft 7 is parallel to a rotation axis of the telescopic driving screw rod 4, the driving shaft 7 is provided with a third bevel gear 71, the third bevel gear 71 is engaged with the first bevel gear 31, the driving motor 8 is fixedly disposed on an outer wall of the reversing gear box 1 and can be fixed by bolts, a rotation shaft of the driving motor 8 is in transmission connection with the driving shaft 7 through a gear set, when the driving motor 8 operates, the external shaft 3 and the telescopic driving screw rod 4 can be simultaneously driven to rotate, where the, the telescopic driving screw rod 4 can drive the inner cylinder 6 to stretch when rotating, thereby realizing the function of a push rod.
The gear set for connecting the rotating shaft of the driving motor 8 and the driving shaft 7 comprises at least two reduction gears 9 which are in meshed transmission, when the reduction gears 9 are arranged in two, one reduction gear 9 is fixedly arranged on the rotating shaft of the driving motor 8 and the other reduction gear 9 is fixedly arranged on the driving shaft 7, when the reduction gears 9 are arranged in three or more than three, one reduction gear 9 is fixedly arranged on the rotating shaft of the driving motor 8 and the other reduction gear 9 is fixedly arranged on the driving shaft 7, and the other reduction gears 9 are rotatably connected to the inner wall of the reversing gear box 1 through the rotating shaft. The speed of extension and contraction of the inner cylinder 6 can be reduced by providing the reduction gear 9.
EXAMPLE III
With reference to fig. 3 and 5, the present embodiment provides a multi-push rod device, which includes a connecting shaft push rod structure and an active push rod structure, wherein the external shaft 3 of the connecting shaft push rod structure and the external shaft 3 of the active push rod structure are coaxial, and the external shafts 3 are in transmission connection.
When the driving push rod structure operates, other connecting shaft push rod structures can be driven to operate, and therefore two or more connecting shaft push rod structures can be driven to synchronously operate through the same driving device.
Optionally, two or more than two connecting shaft push rod structures are arranged on two sides of the driving push rod structure and are respectively located in the connecting shaft push rod structure and each external connecting shaft 3 of the driving push rod structure, two adjacent external connecting shafts 3 are in transmission connection, the external connecting shafts 3 located in the driving push rod structure transmit power to two sides, and the purpose of jointly operating three or more than three push rod structures is achieved.
Optionally, the external connecting shafts 3 are driven by the transmission shafts 101, the transmission shafts 101 are long rod structures coaxial with the external connecting shafts 3, two ends of each transmission shaft 101 are fixedly connected with the two adjacent external connecting shafts 3 respectively, and the specific fixing mode can be welding or threaded connection. The transmission shaft 101 is used as a transmission part of the adjacent external shaft 3, the transmission is stable, the distance between the adjacent connecting shaft push rod structures or between the driving push rod structure and the connecting shaft push rod structure can be adjusted by adopting the transmission shafts 101 with different lengths, and the installation and the use are more flexible.
The design of even a push rod structure, initiative push rod structure and many push rod device can realize the linkage of many push rods, can realize the operation of a plurality of push rod structures through a driving motor 8, and control is simple, convenient, reduces use cost, increases operating stability.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A shaft-connecting push rod structure is characterized by comprising a reversing gear box (1), a telescopic outer barrel (2), an outer shaft (3), a telescopic driving screw rod (4), a telescopic driving screw nut (5) and an inner barrel (6), wherein the outer shaft (3) is rotatably connected to the reversing gear box (1), two ends of the outer shaft (3) are positioned outside the reversing gear box (1), a first bevel gear (31) is arranged on the outer shaft (3), the telescopic driving screw rod (4) is rotatably connected in the telescopic outer barrel (2), the telescopic driving screw rod (4) is perpendicular to the outer shaft (3), a second bevel gear (41) is arranged on the telescopic driving screw rod (4), the first bevel gear (31) is meshed with the second bevel gear (41), the telescopic driving screw rod (4) is in threaded connection with the telescopic driving screw nut (5), the inner barrel (6) is in sliding connection with the telescopic outer barrel (2), the inner cylinder (6) is fixedly connected with the telescopic driving screw nut (5).
2. The shaft-connecting push rod structure according to claim 1, characterized in that a thrust bearing (11) is arranged at the connecting position of the reversing gear box (1) and the telescopic outer cylinder (2), and the telescopic driving screw rod (4) is rotatably connected in the telescopic outer cylinder (2) through the thrust bearing (11).
3. The shaft-connecting push rod structure according to claim 1, wherein one end of the inner cylinder (6) away from the telescopic driving screw nut (5) is provided with a lower mounting seat (61), and the lower mounting seat (61) is provided with a lower mounting hole (611).
4. The shaft-connecting push rod structure according to claim 1, characterized in that an upper mounting seat (12) is arranged at one end of the reversing gear box (1) away from the telescopic outer cylinder (2), and an upper mounting hole (121) is arranged on the upper mounting seat (12).
5. The shaft-connecting push rod structure according to claim 1, wherein mounting shoulders (13) are respectively arranged on two sides of the reversing gear box (1), and the external shaft (3) is rotatably connected to the reversing gear box (1) through the mounting shoulders (13).
6. A driving push rod structure, characterized by comprising the connecting shaft push rod structure according to any one of claims 1 to 5 and a driving device, wherein the driving device comprises a driving shaft (7) and a driving motor (8), the driving shaft (7) is rotatably connected to a reversing gear box (1), the axis of the driving shaft (7) is parallel to the rotation axis of the telescopic driving screw rod (4), a third bevel gear (71) is arranged on the driving shaft (7), the third bevel gear (71) is meshed with the first bevel gear (31), the driving motor (8) is fixedly arranged on the outer wall of the reversing gear box (1), and the rotating shaft of the driving motor (8) is in transmission connection with the driving shaft (7) through a gear set.
7. Active push rod structure according to claim 6, characterized in that the gear set comprises at least two reduction gears (9) in meshed transmission with each other.
8. A multi-push-rod device, characterized in that it comprises the connecting shaft push-rod structure and the driving push-rod structure according to claim 6, wherein the external shaft (3) of the connecting shaft push-rod structure and the external shaft (3) of the driving push-rod structure are coaxial, and the external shafts (3) are in transmission connection.
9. The multi-pushrod device according to claim 8, wherein the connecting shaft pushrod structure is provided with two or more than two connecting shaft pushrod structures on two sides of the active pushrod structure, the two or more than two connecting shaft pushrod structures are respectively located in the connecting shaft pushrod structure and each external connecting shaft (3) of the active pushrod structure, and two adjacent external connecting shafts (3) are in transmission connection.
10. The multi-pushrod device according to claim 8, wherein the external shafts (3) are driven by a transmission shaft (101), and two ends of the transmission shaft (101) are fixedly connected with the ends of the two external shafts (3), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010108716.9A CN111245153A (en) | 2020-02-21 | 2020-02-21 | Connecting shaft push rod structure, driving push rod structure and multi-push rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010108716.9A CN111245153A (en) | 2020-02-21 | 2020-02-21 | Connecting shaft push rod structure, driving push rod structure and multi-push rod device |
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| Publication Number | Publication Date |
|---|---|
| CN111245153A true CN111245153A (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010108716.9A Pending CN111245153A (en) | 2020-02-21 | 2020-02-21 | Connecting shaft push rod structure, driving push rod structure and multi-push rod device |
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| Country | Link |
|---|---|
| CN (1) | CN111245153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524559A (en) * | 2020-12-15 | 2021-03-19 | 山西阳城阳泰集团竹林山煤业有限公司 | Telescopic rod type same-direction rotation output mechanism and lighting device |
| CN112875565A (en) * | 2021-01-08 | 2021-06-01 | 李许强 | Linkage type guiding device for machinery |
-
2020
- 2020-02-21 CN CN202010108716.9A patent/CN111245153A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524559A (en) * | 2020-12-15 | 2021-03-19 | 山西阳城阳泰集团竹林山煤业有限公司 | Telescopic rod type same-direction rotation output mechanism and lighting device |
| CN112875565A (en) * | 2021-01-08 | 2021-06-01 | 李许强 | Linkage type guiding device for machinery |
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