CN209892660U - Double-positioning linkage push rod device - Google Patents
Double-positioning linkage push rod device Download PDFInfo
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- CN209892660U CN209892660U CN201920564064.2U CN201920564064U CN209892660U CN 209892660 U CN209892660 U CN 209892660U CN 201920564064 U CN201920564064 U CN 201920564064U CN 209892660 U CN209892660 U CN 209892660U
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Abstract
The utility model relates to a double-positioning linkage push rod device, which comprises a motor, a gear, a first positioning linkage push rod device and a second linkage push rod device with the same structure, wherein the first positioning linkage push rod device consists of a first connecting rod, a first cross rod, a first bolt seat, a first positioning seat and a first fixing frame; a first cross rod channel is arranged in the first plug pin seat, two ends of the first cross rod channel are opened, and a first cross rod is horizontally inserted into the first cross rod channel; the second linkage push rod device consists of a second connecting rod, a second cross rod, a second bolt seat, a second positioning seat and a second fixing frame, wherein one end of the second connecting rod is provided with a second rack, the second rack is meshed and connected with the gear, and the first rack and the second rack are respectively positioned at the top and the bottom of the gear; a second cross rod channel is arranged in the first positioning seat; the other end of the first rail is positioned opposite the second rail channel.
Description
Technical Field
The utility model belongs to the sealing strip field, concretely relates to two location linkage push rod devices.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The falling prevention function is a necessary function on equipment such as an elevator, a goods elevator, a garage and the like. At present, a crank-slider mechanism is commonly adopted for realizing the anti-falling function. The crank-slider mechanism is an evolution form of a hinge four-bar mechanism, is a structure formed by connecting a plurality of rigid member low pairs (a rotary pair and a moving pair), and is a mechanism formed by a crank (or a crankshaft, an eccentric wheel), a connecting rod and a slider through the moving pair and the rotating pair.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problems in the prior art, it is an object of the present disclosure to provide a dual-positioning linked push rod device.
In order to solve the above technical problem, the technical scheme of the present disclosure is:
a double-positioning linkage push rod device comprises a motor, a gear, a first positioning linkage push rod device and a second linkage push rod device, wherein the first positioning linkage push rod device and the second linkage push rod device are identical in structure, the first positioning linkage push rod device is composed of a first connecting rod, a first cross rod, a first plug pin seat, a first positioning seat and a first fixing frame, the gear is sleeved on the outer surface of a rotating shaft of the motor, the first connecting rod is transversely arranged, a first rack is arranged at one end of the first connecting rod, the first rack is meshed with the gear, and one end, provided with the first rack, of the first connecting rod is connected with the first fixing frame;
a first cross rod channel is arranged in the first plug pin seat, two ends of the first cross rod channel are opened, and a first cross rod is horizontally inserted into the first cross rod channel;
the second linkage push rod device consists of a second connecting rod, a second cross rod, a second bolt seat, a second positioning seat and a second fixing frame, wherein one end of the second connecting rod is provided with a second rack, the second rack is meshed and connected with the gear, and the first rack and the second rack are respectively positioned at the top and the bottom of the gear;
a second cross rod channel is arranged in the first positioning seat, and the first cross rod channel and the second cross rod channel are opposite;
one end of the first connecting rod is movably connected with one end of the first cross rod, and the other end of the first cross rod is opposite to the position of the second cross rod channel;
the first connecting rod inclines downwards along the direction from the gear to the first cross rod, the second connecting rod inclines upwards along the direction from the gear to the second cross rod, the first connecting rod and the second connecting rod are parallel to the plane where the gear is located, and the first positioning seat and the second positioning seat are respectively located on two sides of the gear.
The utility model discloses a two location linkage push rod devices, by motor drive, the rotation axis of motor drives the positive and negative direction rotation of gear, it is rotatory when the motor clockwise, the gear drives two connecting rods and removes, two connecting rods drive two bolt horizontal migration respectively, the afterbody of bolt shifts out the bolt seat gradually, the bolt stretches out the positioning seat gradually, it is rotatory when motor counter-clockwise, the gear drives two connecting rods and removes, two connecting rods drive two bolt horizontal migration respectively, the afterbody of bolt stretches into the bolt seat gradually, two positioning seats are inserted respectively to the head of two bolts.
When the lift car (an elevator, a goods lift or parking equipment) is lifted to a certain floor, in order to prevent the lift car from falling, the double-positioning linkage push rod device is opened, and the bolt extends into the positioning seat; when the lift car begins to lift from a certain floor, the double-positioning linkage push rod device is closed, and the bolt extends out of the positioning seat.
The beneficial effect of this disclosure:
the double-positioning linkage push rod device is applied to equipment such as an elevator, a goods elevator or a garage, when a motor drives two cross rods to be respectively inserted into positioning seats, the elevator is fixed and prevented from falling, when the motor drives two bolts to respectively extend out of the positioning seats, the fixation is cancelled, double positioning is realized, and compared with a crank slider structure, the double-positioning linkage push rod device realizes precise control;
the connecting rod downward sloping at connecting rod gear top, the connecting rod tilt up of the bottom of gear, the connecting rod at gear top can contact with the gear always owing to receive the influence of gravity, and the connecting rod of gear bottom makes the connecting rod can be better keep and the gear contact because the bolt is located the top of connecting rod under the pulling force effect of bolt, and two connecting rods have further promoted the stability of connecting rod with mount fixed connection respectively simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a schematic structural view of a closed state of a double-positioning linkage push rod device;
FIG. 2 is a structural diagram of an open state of a double-positioning linkage push rod device;
FIG. 3 is a schematic perspective view of the positioning seat;
fig. 4 is a schematic structural view of the pin base;
FIG. 5 is a schematic view of a connecting rod structure;
FIG. 6 is a schematic structural view of the first fixing frame;
FIG. 7 is a schematic structural view of the combination of the first and second fixing frames and the connecting rod;
the positioning device comprises a base, a motor, a gear, a first connecting rod, a second connecting rod, a first cross rod, a first bolt seat, a first positioning seat, a second positioning seat, a first fixing frame, a second connecting rod, a second cross rod, a second bolt seat, a second positioning seat, a second fixing frame, a first positioning rod, a first positioning plate, a second positioning plate, a third positioning plate, a first connecting rod section, a second connecting rod section, a third connecting rod section, a first positioning cylinder, a first bottom plate, a second vertical plate, a first connecting ring, a second connecting ring, a first telescopic rod, a second telescopic rod, a third connecting ring, a fourth connecting ring, a second telescopic rod, a third connecting ring, a fourth connecting ring, a third connecting ring, a.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Just as mention the precision of slider-crank mechanism low in the background art, can't realize the accurate control, utilize the gear to carry out the transmission in this disclosure, the precision of gear can reach 0.1mm, so transmission precision is high, the inserted bar inserts the positioning seat in this disclosure, the elevator door can be opened when the distance that the inserted bar inserted the positioning seat reaches safe distance, if the distance that the inserted bar inserted the positioning seat can't reach safe distance, the elevator door does not open, thereby realize the accurate control, but slider-crank mechanism can't be like the gear drive of this disclosure, have accurate distance control, so the double localization linkage push rod device of this disclosure can realize more accurate control.
As shown in fig. 1-7, a dual-positioning linkage push rod device includes a motor 1, a gear 2, and a first positioning linkage push rod device and a second linkage push rod device having the same structure, the first positioning linkage push rod device is composed of a first connecting rod 3, a first cross rod 4, a first plug seat 5, a first positioning seat 6, and a first fixing frame 7, the gear 2 is sleeved on the outer surface of a rotating shaft of the motor 1, the first connecting rod 3 is transversely disposed, one end of the first connecting rod 3 is provided with a first rack, the first rack is engaged with the gear 2, and one end of the first connecting rod 3, which is provided with the first rack, is connected with the first fixing frame 7;
a first cross rod channel is arranged in the first plug pin seat 5, two ends of the first cross rod channel are opened, and the first cross rod 4 is horizontally inserted into the first cross rod channel;
the second linkage push rod device consists of a second connecting rod 8, a second cross rod 9, a second bolt seat 10, a second positioning seat 11 and a second fixing frame 12, wherein one end of the second connecting rod 8 is provided with a second rack which is meshed and connected with the gear 2, and the first rack and the second rack are respectively positioned at the top and the bottom of the gear 2;
the first positioning seat 6 is internally provided with a second cross rod channel;
one end of the first connecting rod 3 is movably connected with one end of the first cross rod 4, and the other end of the first cross rod 4 is opposite to the position of the second cross rod channel;
the first connecting rod 3 inclines downwards along the direction from the gear 2 to the first cross rod 4, the second connecting rod 8 inclines upwards along the direction from the gear 2 to the second cross rod 9, and the first positioning seat 6 and the second positioning seat 11 are respectively positioned at two sides of the gear 2.
The first positioning linkage push rod device and the second positioning linkage push rod device are identical in structure, a second connecting rod 8, a second cross rod 9, a second bolt seat 10, a second positioning seat 11 and a second fixing frame 12 of the second positioning linkage push rod device are identical in connection mode with the first positioning linkage push rod device, the second cross rod 9 is transversely arranged, a second rack is arranged at one end of the second connecting rod 8 and is meshed with the gear 2, and one end, provided with the second rack, of the second connecting rod 8 is connected with the second fixing frame 12; a third cross rod channel is arranged in the second plug pin seat 10, two ends of the third cross rod channel are opened, and the second cross rod 9 is horizontally inserted into the third cross rod channel; a fourth cross rod channel is arranged in the second positioning seat 11; one end of the second connecting rod 8 is movably connected with one end of the second cross rod 9, and the other end of the second cross rod 9 is opposite to the fourth cross rod channel;
fig. 1 shows a closed state of the double-positioning linkage push rod device, fig. 2 shows an open state of the double-positioning linkage push rod device, fig. 1 shows a closed state, in which the bolt extends out of the positioning seat, fig. 2 shows an open state, in which the bolt extends into the positioning seat, fig. 1 corresponds to a lifting state of the elevator, fig. 2 corresponds to a stable state of the elevator, and the bolt and the positioning seat jointly fix the elevator to prevent falling.
In the lifting process of the elevator, the positioning seats are located on the side wall of an elevator running channel outside the elevator, each layer is provided with the positioning seats, the connecting rod, the transverse rod, the bolt seat, the fixing frame and the motor are lifted along with the elevator outside the positioning seats, when the elevator reaches a certain layer, the transverse rod is inserted into the positioning seats of the corresponding layer, and the double-positioning linkage push rod device is in an open state.
In some embodiments, the first positioning seat 6 includes three positioning plates and two positioning rods, namely a first positioning plate 14, a second positioning plate 15, and a third positioning plate 16, wherein the first positioning plate 14 is parallel to the second positioning plate 15, and is vertically and fixedly connected to the third positioning plate 16, and the first positioning rod 13 and the second positioning rod are fixed in parallel between the first positioning plate 14 and the second positioning plate 15.
As shown in fig. 3, the second locating plate 15 of first locating seat can realize the fixed of first locating seat 6 with vertical wall, or the bottom of the 16 boards of third location has set up the fourth fixed plate, make the locating seat can the level place subaerial, the fourth locating plate can with bottom surface fixed connection, realize the fixed of whole device, the both ends of two locating levers respectively with first locating plate 14 and 15 fixed connection of second locating plate, fixed knot constructs's stability has been realized, two locating levers can form and clip first horizontal pole 3 fixed action from top to bottom simultaneously, so the double localization of this disclosure links push rod device and has stability.
In some embodiments, the first pin seat 10 is composed of a first positioning cylinder 20 and a first bracket, the first positioning cylinder is a hollow cylinder body with two open ends, the first positioning cylinder 20 is fixed by the first bracket, and the first cross bar 4 is horizontally inserted into the hollow cylinder body.
In some embodiments, the first bracket includes a first bottom plate 21, a first vertical plate 22, and a second vertical plate, the first vertical plate 22 and the second vertical plate are disposed in parallel and are respectively and vertically and fixedly connected to the first bottom plate 21, the first vertical plate 22 and the second vertical plate are respectively provided with a circular opening, the two circular openings have the same shape and are opposite in position, and the first positioning cylinder 20 horizontally passes through the two circular openings and is fixedly connected to the circular openings.
In some embodiments, the first link 3 includes a first link segment 17, a second link segment 18, and a third link segment 19, the first link segment 17 is a portion contacting the gear 2, and both ends of the second link segment 18 are connected to the first and third link segments 17 and 19, respectively.
The third connecting rod section 19 is arranged to facilitate free rotation of the node, the first connecting rod section 17 and the second connecting rod section 18 of the first connecting rod 3 are connected in a welding mode, and the second connecting rod section 18 is connected with the third connecting rod section 19 in a welding mode.
In some embodiments, one end of the third connecting rod segment 19 extends into the interior of the second connecting rod segment 18 to be fixedly connected with the second connecting rod segment 18, and the other end of the third connecting rod segment 19 is hemispherical.
In some embodiments, the end of the third connecting rod section 19 connected to the first cross rod 4 is provided with a first through hole, and a second through hole is provided at a corresponding position of the first cross rod, wherein the first through hole is opposite to the second through hole, and the first through hole and the second through hole are connected through a bolt.
As shown in fig. 5, the first link 3 is divided into three parts, namely a first link section 17, a second link section 18 and a third link section 19, wherein the middle second link section 18 is used for connection. The fixed connection between one end of the third connecting rod segment 19 and the inside of the second connecting rod segment 18 may be welding. It will be understood that the first cross bar 4 is horizontally disposed and the first link 3 is obliquely disposed, so that the first cross bar 4 and the first link 3 are connected by a bolt to allow relative rotation.
In some embodiments, the end of the first cross bar 4 remote from the first link 3 is pointed.
One end of the first cross rod 4 is in a pointed cone shape, and is conveniently inserted between the first positioning rod 13 and the second positioning rod.
As shown in fig. 4, the first positioning cylinder 20 is fixed by the first bracket, and the first vertical plate and the second vertical plate can horizontally fix the first positioning cylinder 20 because the first positioning cylinder 20 is horizontally disposed.
In some embodiments, the first and second fixing frames 7 and 12 have the same structure, the first fixing frame is composed of a pressure plate 29, a first connection ring 23, a first telescopic rod 25, a second connection ring 24, a third connection ring 26, a second telescopic rod 28, and a fourth connection ring 27, both ends of the first telescopic rod 25 are respectively connected with the first and second connection rings 23 and 24, both ends of the second telescopic rod 28 are respectively connected with the third and fourth connection rings 26 and 27, the second and fourth connection rings 24 and 27 are respectively connected with the pressure plate 29, and both ends of the pressure plate 29 are respectively connected with the first connection ring 3 through bolts.
As shown in fig. 6 and 7, the telescopic rod is matched with the connecting ring, so that the fixing frame can move along with the movement of the connecting rod, and meanwhile, the fixing function of the connecting rod is realized, and the connecting rod is prevented from sliding off the gear.
The first fixing frame and the second fixing frame have the same structure, and the fixing mode of the second fixing frame can be obtained in the same way.
In some embodiments, the bottom of the motor 1 is fixedly connected to a second bracket, the second bracket is composed of a flat plate and a plurality of support rods, the motor 1 is fixedly connected to the top of the flat plate, and the support rods are fixedly connected to the bottom of the flat plate.
In some embodiments, gear 2 is 45# round steel; the rack is made of 45# round steel; first connecting rod 3 is 45# round steel material, and first horizontal pole 4 is 45# round steel material.
Quenching the tooth parts of the gear and the rack. The second connecting rod is made of the same material as the first connecting rod, and the second cross rod is made of the same material as the first cross rod.
The second bolt seat 10 of the second linkage push rod device has the same structure as the first bolt seat 5 of the first positioning linkage push rod device, and the second positioning seat 11 of the second linkage push rod device has the same structure as the first positioning seat 6 of the first positioning linkage push rod device.
The whole double-positioning linkage push rod device (except for the positioning seat) is positioned in an operation chamber at the bottom of the car, so that the second fixing frame is connected with a bottom plate of the operation chamber, and the second connecting rod can stably realize movement.
The two ends of the pressing plate are respectively connected with the connecting rod through bolts, so that the pressing plate is fixedly connected with the connecting rod, the pressing plate is provided with through holes, the connecting rod is provided with bolt holes, and the bolts penetrate through the through holes and are in bolted connection with the bolt holes.
The fixing structure of the first fixing frame can be arranged in the following way:
the second connecting ring and the fourth connecting ring enable the pressing plate and the telescopic rod to freely rotate, a first fixing groove and a second fixing groove are respectively formed in positions, corresponding to the second connecting ring and the fourth connecting ring, of the pressing plate, symmetrical bolt holes are respectively formed in two side walls of the groove body of the first fixing groove and the two side walls of the groove body of the second fixing groove, one end of the second connecting ring and one end of the fourth connecting ring respectively extend into the first fixing groove and the second fixing groove and are fixed through bolts, connection of the second connecting ring and the fourth connecting ring is achieved, and the second connecting ring and the fourth connecting ring can flexibly rotate.
The first connecting ring, the third connecting ring is connected with the roof of car bottom, the position that car bottom and first connecting ring, third connecting ring correspond sets up third fixed slot and fourth fixed slot respectively, two lateral walls of cell body of third fixed slot and fourth fixed slot set up the symmetry bolt hole respectively, the one end of first connecting ring, the third connecting ring stretches into third fixed slot and fourth fixed slot respectively, and with the bolt fastening, the connection of first connecting ring, the third connecting ring has been realized, and first connecting ring, the third connecting ring can rotate in a flexible way.
The bottom of the support rod is dropped on the bottom plate of the operation room and fixed.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (9)
1. The utility model provides a two location linkage push rod devices which characterized in that: the first positioning linkage push rod device consists of a first connecting rod, a first cross rod, a first plug pin seat, a first positioning seat and a first fixing frame, the first positioning linkage push rod device and the second positioning linkage push rod device are identical in structure, the gear is sleeved on the outer surface of a rotating shaft of the motor, the first connecting rod is transversely arranged, a first rack is arranged at one end of the first connecting rod, the first rack is meshed with the gear, and one end of the first connecting rod, provided with the first rack, is connected with the first fixing frame;
a first cross rod channel is arranged in the first plug pin seat, two ends of the first cross rod channel are opened, and a first cross rod is horizontally inserted into the first cross rod channel;
the second linkage push rod device consists of a second connecting rod, a second cross rod, a second bolt seat, a second positioning seat and a second fixing frame, wherein one end of the second connecting rod is provided with a second rack, the second rack is meshed and connected with the gear, and the first rack and the second rack are respectively positioned at the top and the bottom of the gear;
the first positioning seat is internally provided with a second cross rod channel;
one end of the first connecting rod is movably connected with one end of the first cross rod, and the other end of the first cross rod is opposite to the position of the second cross rod channel;
the first connecting rod inclines downwards along the direction from the gear to the first cross rod, the second connecting rod inclines upwards along the direction from the gear to the second cross rod, and the first positioning seat and the second positioning seat are respectively positioned at two sides of the gear.
2. The apparatus of claim 1, wherein: the first positioning seat comprises three positioning plates, two positioning rods, a first positioning plate, a second positioning plate and a third positioning plate, wherein the first positioning plate, the second positioning plate and the third positioning plate are respectively arranged, the first positioning plate is parallel to the second positioning plate and is respectively and fixedly connected with the third positioning plate in a vertical mode, and the first positioning rod and the second positioning rod are fixed between the first positioning plate and the second positioning plate in a parallel mode.
3. The apparatus of claim 1, wherein: the first bolt seat is composed of a first positioning cylinder and a first support, the first positioning cylinder is a hollow cylinder body with openings at two ends, the first positioning cylinder is fixed through the first support, and the first cross rod is horizontally inserted into the hollow cylinder body.
4. The apparatus of claim 3, wherein: the first support comprises a first bottom plate, a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate are arranged in parallel and are respectively and fixedly connected with the first bottom plate, the first vertical plate and the second vertical plate are respectively provided with a circular opening, the two circular openings are the same in shape and opposite in position, and the first positioning cylinder horizontally penetrates through the two circular openings and is fixedly connected with the circular openings.
5. The apparatus of claim 1, wherein: the first connecting rod comprises a first connecting rod section, a second connecting rod section and a third connecting rod section, the first connecting rod section is a part in contact with the gear, and two ends of the second connecting rod section are respectively connected with the first connecting rod section and the third connecting rod section.
6. The apparatus of claim 5, wherein: one end of the third connecting rod section extends into the inside of the second connecting rod section and is fixedly connected with the second connecting rod section, and the other end of the third connecting rod section is hemispherical.
7. The apparatus of claim 5, wherein: one end of the third connecting rod section, which is connected with the first cross rod, is provided with a first through hole, the corresponding position of the first cross rod is provided with a second through hole, the first through hole is opposite to the second through hole, and the first through hole is connected with the second through hole through a bolt.
8. The apparatus of claim 1, wherein: one end of the first cross rod, which is far away from the first connecting rod, is in a sharp cone shape.
9. The apparatus of claim 1, wherein: the structure of the first fixing frame is the same as that of the second fixing frame, the first fixing frame is composed of a pressing plate, a first connecting ring, a first telescopic rod, a second connecting ring, a third connecting ring, a second telescopic rod and a fourth connecting ring, two ends of the first telescopic rod are respectively connected with the first connecting ring and the second connecting ring, two ends of the second telescopic rod are respectively connected with the third connecting ring and the fourth connecting ring, the second connecting ring and the fourth connecting ring are respectively connected with the pressing plate, and two ends of the pressing plate are respectively connected with the first connecting rod through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564064.2U CN209892660U (en) | 2019-04-23 | 2019-04-23 | Double-positioning linkage push rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564064.2U CN209892660U (en) | 2019-04-23 | 2019-04-23 | Double-positioning linkage push rod device |
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| Publication Number | Publication Date |
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| CN209892660U true CN209892660U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920564064.2U Expired - Fee Related CN209892660U (en) | 2019-04-23 | 2019-04-23 | Double-positioning linkage push rod device |
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| CN (1) | CN209892660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291764A (en) * | 2021-12-15 | 2022-04-08 | 科捷智能科技股份有限公司 | Vertical positioning and fixing method for cargo carrying platform |
-
2019
- 2019-04-23 CN CN201920564064.2U patent/CN209892660U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291764A (en) * | 2021-12-15 | 2022-04-08 | 科捷智能科技股份有限公司 | Vertical positioning and fixing method for cargo carrying platform |
| CN114291764B (en) * | 2021-12-15 | 2024-04-16 | 科捷智能科技股份有限公司 | Vertical positioning and fixing method for cargo carrying platform |
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