CN216517498U - Rack and pinion formula back door tilting mechanism - Google Patents
Rack and pinion formula back door tilting mechanism Download PDFInfo
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- CN216517498U CN216517498U CN202122584299.8U CN202122584299U CN216517498U CN 216517498 U CN216517498 U CN 216517498U CN 202122584299 U CN202122584299 U CN 202122584299U CN 216517498 U CN216517498 U CN 216517498U
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- oil cylinder
- rear door
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Abstract
The utility model relates to a gear rack type rear door turnover mechanism which is symmetrically arranged on two side surfaces of the rear end of a box body, is used for vertically turning over a rear door of the box body and comprises a gear rack, a main gear, a secondary gear and an oil cylinder; an oil cylinder fixing seat is fixed on the side face of the box body, the oil cylinder is fixed on the oil cylinder fixing seat, the movable end of the oil cylinder is connected with the rack, and the rack is meshed with the main gear; the auxiliary gear penetrates through one end of the rear door connecting shaft, the other end of the rear door connecting shaft is fixedly connected with one end of the turning side of the rear door through a flange, and the auxiliary gear is meshed with the main gear; when the back door is opened, the oil cylinder is in a contraction state, the rack is at the lowest point, when the oil cylinder moves, the rack moves upwards to drive the main gear to rotate, so that the auxiliary gear is transmitted, the back door connecting shaft is driven to rotate, the back door is turned over and closed, when the back door is turned upwards, namely the back door needs to overcome gravity to do work, the oil cylinder is in an extension state, and system pressure is reduced.
Description
Technical Field
The utility model relates to the field of environmental sanitation equipment, in particular to a rack and pinion type rear door turnover mechanism.
Background
In the advanced industry, the design and manufacture of sanitation equipment are rapidly developed, and most of the equipment is provided with a rear door device. The pin joint of the existing rear door device is arranged at the upper end of the rear door, and is characterized in that the rear door is turned upwards when being opened, the structure is simple, the maintenance is convenient, the risk of sudden falling exists, and the operation under the door of an operator is not allowed. And another kind of pin joint is at the back door of lower extreme, because often need overturn 180 degrees during the operation, traditional lifting mechanism has not been realized.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the gear-rack type rear door turnover mechanism which realizes the turnover of the rear door by over 180 degrees, further realizes the turnover mode of opening the rear door by turning down and closing by turning up, fundamentally avoids the risk of sudden falling of the rear door, and ensures the personal safety of operators.
The utility model relates to a rack and pinion type rear door turnover mechanism which is symmetrically arranged on two side surfaces of the rear end of a box body and used for vertically turning over a rear door of the box body, and adopts the following technical scheme: it comprises a rack, a main gear, a pinion and an oil cylinder;
an oil cylinder fixing seat is fixed on the side surface of the box body, and the oil cylinder is fixed on the oil cylinder fixing seat;
a cavity with an opening at one side, which is enclosed by the gear fixing seat, the gear cover plate, the cover plate connecting plate and the rack supporting plate, is arranged above the oil cylinder fixing seat, and the gear fixing seat is fixed on the side surface of the box body;
the main gear is arranged on one side of the cavity with the opening and is arranged between the gear fixing seat and the gear cover plate through the rotation of a main gear shaft;
the movable end of the oil cylinder is connected with the rack, the other side of the rack, corresponding to the cavity, is provided with a slideway for the rack to move up and down, and the rack is meshed with the main gear;
the auxiliary gear penetrates through one end of the rear door connecting shaft, a shaft sleeve is rotatably sleeved in the middle of the rear door connecting shaft, the shaft sleeve is fixed on a pressing plate fixing seat through a shaft sleeve pressing plate in a semicircular groove shape which is oppositely arranged, the pressing plate fixing seat is arranged on one side of the cavity with the opening and is fixed on the side surface of the box body, the other end of the rear door connecting shaft is fixedly connected with one end of the overturning side of the rear door through a flange, and the auxiliary gear is meshed with the main gear; when the back door is opened, the oil cylinder is in a contraction state, the rack is at the lowest point, and when the oil cylinder moves, the rack moves upwards to drive the main gear to rotate, so that the main gear is transmitted to the pinion, the back door connecting shaft is driven to rotate, and the back door is turned over and closed.
The rear door connecting shaft is characterized by further comprising a main gear and a pinion adjusting device, wherein the main gear and the pinion adjusting device comprise nut plates and adjusting bolts matched with the nut plates in a threaded mode, the nut plates are fixed on the outer surfaces of the shaft sleeve pressing plates, the shaft sleeve pressing plates are provided with long holes corresponding to the nut plates, and the adjusting bolts penetrate through the long holes to limit the rear door connecting shaft.
Furthermore, flanges are arranged at two ends of the shaft sleeve.
Furthermore, the inside fixed connection wear-resisting axle sleeve two of axle sleeve, wear-resisting axle sleeve two rotates with the back door connecting axle to be connected.
Further, the back door connecting axle still is provided with the butter passageway, the butter passageway is established in back door connecting axle center department, extends to the middle part from back door connecting axle one end, and back door connecting axle one end port is equipped with the butter mouth, and the butter passes through the butter mouth flows to two departments of wear-resisting axle sleeve.
Furthermore, pinion one end is fixed in the one end of back door connecting axle through axle head baffle and corresponding nut and bullet pad, the other end of pinion is then spacing through the shaft shoulder.
Further, a first wear-resistant shaft sleeve is rotatably sleeved on the main gear shaft and is fixedly connected with the main gear; the main gear shaft is connected with the gear fixing seat and the gear cover plate through pin holes, and a pin shaft limiting plate is arranged on the outer end face of the gear cover plate to limit the main gear shaft to rotate.
Further, still be equipped with rack and pinion adjusting device, it includes wear-resisting piece, wear-resisting piece regulating plate, puller bolt, tie bolt and wear-resisting piece limiting plate, wear-resisting piece is established one side that the rack deviates from the sawtooth, and wear-resisting piece is fixed on the wear-resisting piece regulating plate, wear-resisting piece regulating plate through two symmetrical puller bolts that set up and the tie bolt in an opposite direction with the rack supporting plate is connected, and rack supporting plate both ends are fixed with wear-resisting piece limiting plate respectively, wear-resisting piece clamp is established between the wear-resisting piece limiting plate.
Furthermore, sliding grooves are formed in the two sides, corresponding to the gear fixing seat and the gear cover plate, of the rack, side wear-resistant blocks are fixed on the gear fixing seat and the gear cover plate corresponding to the sliding grooves, and the rack is connected with the side wear-resistant blocks in a sliding mode.
Further, the rack is connected with the movable end of the oil cylinder through a pin shaft or the rack is connected with the movable end of the oil cylinder through a ball head.
Compared with the prior art, the utility model has the following beneficial effects:
1. the rack and the double gears are adopted for transmission, when the back door is turned upwards, namely the back door needs to overcome gravity to do work, the oil cylinder is in an extending state, and the pressure of the system is favorably reduced;
2. a main gear and pinion adjusting device is additionally arranged to adjust the gap between the main gear and the pinion;
3. flanges are arranged at the two ends of the shaft sleeve and are used for preventing the shaft sleeve from sliding left and right;
4. a grease channel is additionally arranged on the rear door connecting shaft, so that the using effect and the service life of the second wear-resistant shaft sleeve are improved;
5. wear-resistant block limiting plates are fixed at two ends of the rack supporting plate and used for preventing the wear-resistant blocks from displacing along with the movement of the racks;
6. a pin shaft limiting plate is arranged on the outer end face of the cover plate to limit the rotation of the main gear shaft and prevent the main gear from slipping;
7. a rack and gear adjusting device is additionally arranged to adjust the gap between the rack and the gear;
7. the oil cylinder is connected with the connecting end of the rack by a ball head, so that transmission deviation is eliminated.
Drawings
The accompanying drawings, which are described herein to provide a further understanding of the application, are included in the following description:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 2;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic perspective view of the present invention applied to a rear door when the rear door is opened;
fig. 5 is a schematic perspective view of the present invention applied to a rear door.
Detailed Description
Referring to fig. 1 to 4, a rack and pinion type rear door turnover mechanism 100 according to an embodiment is symmetrically disposed on both sides of a rear end of a cabinet 120, and is used for vertically turning over a rear door 110 of the cabinet 120, and includes a rack 3, a main gear 10, a pinion 13, and a cylinder 1;
an oil cylinder fixing seat 2 is fixed on the side surface of the box body 120, and the oil cylinder 1 is fixed on the oil cylinder fixing seat 2;
a cavity with an opening at one side enclosed by the gear fixing seat 9, the gear cover plate 5, the cover plate connecting plate 8 and the rack supporting plate 15 is arranged above the oil cylinder fixing seat 2, and the gear fixing seat 9 is fixed on the side surface of the box body 120;
the main gear 10 is arranged on one side of the cavity with an opening and is arranged between the gear fixing seat 9 and the gear cover plate 5 through the rotation of a main gear shaft 30;
the movable end of the oil cylinder 1 is connected with the rack 3, the other side of the rack 3, corresponding to the cavity, is provided with a slideway for the 3 teeth to move up and down, and the rack 3 is meshed with the main gear 10;
the pinion 13 penetrates through one end of a rear door connecting shaft 26, a shaft sleeve 25 is rotatably sleeved in the middle of the rear door connecting shaft 26, the shaft sleeve 25 is fixed on a pressing plate fixing seat 24 through a shaft sleeve pressing plate 12 which is oppositely arranged and in a semicircular groove shape, the pressing plate fixing seat 24 is arranged on one side, provided with an opening, of the cavity and fixed on the side surface of the box body 120, the other end of the rear door connecting shaft 26 is fixedly connected with one end of the overturning side of the rear door 110 through a flange 27, and the pinion 13 is meshed with the main gear 10; when the rear door 110 is opened, the oil cylinder 1 is in a contracted state, the rack 3 is at the lowest point, when the oil cylinder 1 moves, the rack 3 moves upwards to drive the main gear 10 to rotate, so that the main gear is transmitted to the pinion 13 to drive the rear door connecting shaft 26 to rotate, and the rear door 110 is turned over and closed.
Further, a main gear and a secondary gear adjusting device are further provided, the main gear and the secondary gear adjusting device comprises a nut plate 14 and an adjusting bolt 28 matched with the nut plate 14 in a threaded mode, the nut plate 14 is fixed on the outer surface of the shaft sleeve pressing plate 12, the shaft sleeve pressing plate 12 is provided with a long hole corresponding to the nut plate, and the adjusting bolt 28 penetrates through the long hole to limit the back door connecting shaft 26.
Further, flanges are provided at both ends of the shaft sleeve 25.
Further, a second wear-resistant shaft sleeve 23 is fixedly connected inside the shaft sleeve 25, and the second wear-resistant shaft sleeve 23 is rotatably connected with a rear door connecting shaft 26.
Further, back door connecting axle 26 still is provided with butter passageway 21, butter passageway 21 is established in back door connecting axle 26 axle center department, extends to the middle part from back door connecting axle 26 one end, and back door connecting axle 26 one end port is equipped with grease nipple 22, and the butter passes through grease nipple 22 flows to wear-resisting axle sleeve two 23 departments.
Further, one end of the pinion 13 is fixed to one end of the back door connecting shaft 26 through a shaft end baffle 20 and a corresponding nut and elastic pad, and the other end of the pinion 13 is limited through a shaft shoulder.
Further, a first wear-resistant shaft sleeve 29 is rotatably sleeved on the main gear shaft 30, and the first wear-resistant shaft sleeve 29 is fixedly connected with the main gear 10; the main gear shaft 30 is connected with the gear fixing seat 9 and the gear cover plate 5 through pin holes, and a pin shaft limiting plate 4 is arranged on the outer end face of the gear cover plate 5 to limit the main gear shaft 30 to rotate.
Further, still be equipped with rack and pinion adjusting device, it includes wear-resisting piece 17, wear-resisting piece regulating plate 16, puller bolt 18, tie bolt 19 and wear-resisting piece limiting plate 6, wear-resisting piece 17 is established the rack 3 deviates from one side of sawtooth, and wear-resisting piece 17 is fixed on wear-resisting piece regulating plate 16, wear-resisting piece regulating plate 16 through two symmetrical puller bolts 18 that set up and the tie bolt 19 of an opposite direction with rack support plate 15 is connected, and rack support plate 15 both ends are fixed with wear-resisting piece limiting plate 6 respectively, wear-resisting piece 17 presss from both sides and establishes between wear-resisting piece limiting plate 6.
Furthermore, sliding grooves are formed in the two sides of the rack 3 corresponding to the gear fixing seat 9 and the gear cover plate 5, side wear-resistant blocks 7 are fixed on the gear fixing seat 9 and the gear cover plate 5 corresponding to the sliding grooves, and the rack 3 is in sliding connection with the side wear-resistant blocks 7.
Further, the rack 3 is connected with the movable end of the oil cylinder 1 through a pin shaft or the rack 3 is connected with the movable end of the oil cylinder 1 through a ball head.
The working principle of the utility model is as follows:
when the rear door 110 is opened, the oil cylinder 1 is in a contracted state, the rack 3 is at the lowest point, when the oil cylinder 1 moves, the rack 3 moves upwards to drive the main gear 10 to rotate, so that the main gear is transmitted to the pinion 13 to drive the rear door connecting shaft 26 to rotate, and the rear door 110 is turned over and closed.
When the gap between the main gear 10 and the pinion 13 is larger or tighter, the fixing bolt 28 of the shaft sleeve pressing plate 12 can be loosened, the position of the shaft sleeve pressing plate 12, namely the pinion 13, is adjusted to a proper gap through the adjusting bolt 28, after the adjustment is completed, the adjusting bolt 28 is tightened, the shaft sleeve pressing plate 12 is locked, and the adjustment of the gap between the main gear 10 and the pinion 13 is completed.
When the gap between the rack 3 and the main gear 10 is larger, the tightening bolt nut 19 of the wear-resistant block adjusting plate 16 and the nut 18 of the tightening bolt thereof can be loosened, the tightening nut 18 is screwed until the rack 3 and the main gear 10 are tightly matched, at this time, the nut 18 of the tightening bolt is screwed, and the nut 19 of the tightening bolt is screwed, so that the gap adjustment between the rack 3 and the gear 10 is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a rack and pinion formula back door tilting mechanism which characterized in that: the back door is symmetrically arranged on two side surfaces of the back end of the box body, is used for turning the box body up and down, and comprises a rack, a main gear, a pinion and an oil cylinder;
an oil cylinder fixing seat is fixed on the side surface of the box body, and the oil cylinder is fixed on the oil cylinder fixing seat;
a cavity with an opening at one side, which is enclosed by the gear fixing seat, the gear cover plate, the cover plate connecting plate and the rack supporting plate, is arranged above the oil cylinder fixing seat, and the gear fixing seat is fixed on the side surface of the box body;
the main gear is arranged on one side of the cavity with the opening and is arranged between the gear fixing seat and the gear cover plate through the rotation of a main gear shaft;
the movable end of the oil cylinder is connected with the rack, the other side of the rack, corresponding to the cavity, is provided with a slideway for the rack to move up and down, and the rack is meshed with the main gear;
the auxiliary gear penetrates through one end of the rear door connecting shaft, a shaft sleeve is rotatably sleeved in the middle of the rear door connecting shaft, the shaft sleeve is fixed on a pressing plate fixing seat through a shaft sleeve pressing plate in a semicircular groove shape which is oppositely arranged, the pressing plate fixing seat is arranged on one side of the cavity with the opening and is fixed on the side surface of the box body, the other end of the rear door connecting shaft is fixedly connected with one end of the overturning side of the rear door through a flange, and the auxiliary gear is meshed with the main gear; when the back door is opened, the oil cylinder is in a contraction state, the rack is at the lowest point, and when the oil cylinder moves, the rack moves upwards to drive the main gear to rotate, so that the main gear is transmitted to the pinion, the back door connecting shaft is driven to rotate, and the back door is turned over and closed.
2. The rack and pinion type rear door turnover mechanism as claimed in claim 1, wherein: the back door connecting shaft is characterized by also comprising a main gear and a pinion adjusting device, wherein the main gear and the pinion adjusting device comprise nut plates and adjusting bolts matched with the nut plates in a threaded mode, the nut plates are fixed on the outer surfaces of the shaft sleeve pressing plates, the shaft sleeve pressing plates are provided with long holes corresponding to the nut plates, and the adjusting bolts penetrate through the long holes to limit the back door connecting shaft.
3. The rack and pinion type rear door turnover mechanism as claimed in claim 1, wherein: flanges are arranged at two ends of the shaft sleeve.
4. The rack and pinion type rear door turnover mechanism as claimed in claim 1, wherein: and a second wear-resistant shaft sleeve is fixedly connected inside the shaft sleeve and is rotatably connected with the rear door connecting shaft.
5. The rack and pinion type rear door turnover mechanism as claimed in claim 4, wherein: the back door connecting shaft still is provided with the butter passageway, the butter passageway is established in back door connecting shaft axle center department, extends to the middle part from back door connecting shaft one end, and back door connecting shaft one end port is equipped with the butter mouth, and the butter passes through the butter mouth flows to wear-resisting axle sleeve two departments.
6. The rack and pinion type rear door turnover mechanism as claimed in claim 1, wherein: one end of the pinion is fixed at one end of the rear door connecting shaft through a shaft end baffle plate, a corresponding nut and an elastic pad, and the other end of the pinion is limited through a shaft shoulder.
7. The rack and pinion type rear door turnover mechanism as claimed in claim 1, wherein: a first wear-resistant shaft sleeve is rotatably sleeved on the main gear shaft and is fixedly connected with the main gear; the main gear shaft is connected with the gear fixing seat and the gear cover plate through pin holes, and a pin shaft limiting plate is arranged on the outer end face of the gear cover plate to limit the main gear shaft to rotate.
8. The rack and pinion type rear door turnover mechanism as claimed in claim 1, wherein: still be equipped with rack and pinion adjusting device, it includes wear-resisting piece, wear-resisting piece regulating plate, puller bolt, tie bolt and wear-resisting piece limiting plate, wear-resisting piece is established one side that the rack deviates from the sawtooth, and wear-resisting piece is fixed on the wear-resisting piece regulating plate, wear-resisting piece regulating plate through the puller bolt that two symmetries set up and the tie bolt in an opposite direction with the rack support plate is connected, and rack support plate both ends are fixed with wear-resisting piece limiting plate respectively, wear-resisting piece clamp is established between the wear-resisting piece limiting plate.
9. The rack and pinion type rear door turnover mechanism as claimed in claim 1, wherein: the rack is provided with sliding grooves corresponding to the two sides of the gear fixing seat and the gear cover plate, side wear-resistant blocks are fixed on the gear fixing seat and the gear cover plate corresponding to the sliding grooves, and the rack is connected with the side wear-resistant blocks in a sliding mode.
10. The rack and pinion type rear door turnover mechanism as claimed in claim 1, wherein: the rack is connected with the movable end of the oil cylinder through a pin shaft or the rack is connected with the movable end of the oil cylinder through a ball head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122584299.8U CN216517498U (en) | 2021-10-26 | 2021-10-26 | Rack and pinion formula back door tilting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122584299.8U CN216517498U (en) | 2021-10-26 | 2021-10-26 | Rack and pinion formula back door tilting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216517498U true CN216517498U (en) | 2022-05-13 |
Family
ID=81525520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122584299.8U Active CN216517498U (en) | 2021-10-26 | 2021-10-26 | Rack and pinion formula back door tilting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216517498U (en) |
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2021
- 2021-10-26 CN CN202122584299.8U patent/CN216517498U/en active Active
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