CN108715182B - Base lock mechanism of stopping - Google Patents

Base lock mechanism of stopping Download PDF

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Publication number
CN108715182B
CN108715182B CN201810550902.0A CN201810550902A CN108715182B CN 108715182 B CN108715182 B CN 108715182B CN 201810550902 A CN201810550902 A CN 201810550902A CN 108715182 B CN108715182 B CN 108715182B
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China
Prior art keywords
seat
piece
pedal
hole
lock
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CN201810550902.0A
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Chinese (zh)
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CN108715182A (en
Inventor
简洲凯
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
Original Assignee
Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Application filed by Guangzhou Shiyuan Electronics Thecnology Co Ltd, Guangzhou Shirui Electronics Co Ltd filed Critical Guangzhou Shiyuan Electronics Thecnology Co Ltd
Priority to CN201810550902.0A priority Critical patent/CN108715182B/en
Publication of CN108715182A publication Critical patent/CN108715182A/en
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Publication of CN108715182B publication Critical patent/CN108715182B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00Accessories or details specially adapted for hand carts
    • B62B5/04Braking mechanisms; Locking devices against movement
    • B62B5/0433Braking mechanisms; Locking devices against movement foot operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00Accessories or details specially adapted for hand carts
    • B62B5/04Braking mechanisms; Locking devices against movement
    • B62B5/049Braking mechanisms; Locking devices against movement locking against movement by contacting the floor or a wall

Abstract

The invention provides a base locking and braking mechanism which comprises a loading seat, a supporting shaft seat, a first pedal piece, a second pedal piece, an elastic element, a transmission piece and a locking and braking piece, wherein casters are arranged at the bottom of the loading seat, the first end of the supporting shaft seat is fixedly connected to the bottom of the loading seat, the transmission piece is arranged on the supporting shaft seat and can move along the axial direction of the supporting shaft seat, the first pedal piece and the second pedal piece are respectively connected with the transmission piece in a linkage way, two ends of the elastic element are respectively connected with the transmission piece and the second end of the supporting shaft seat, the locking and braking piece is fixedly connected with the transmission piece, a positioning structure for locking the transmission piece is arranged at the position, close to the first end, of the supporting shaft seat, and a limiting structure for limiting the movement of the transmission piece is arranged at the position, far away from the first end, of the supporting shaft seat. The base locking and braking mechanism can facilitate locking and braking operation and is relatively low in cost.

Description

Base lock mechanism of stopping
Technical Field
The invention relates to the technical field of braking, in particular to a base locking and braking mechanism.
Background
The foot rest or the cart and the like are usually provided with a locking and braking mechanism so as to realize emergency braking of the foot rest or the cart and the like in the running process. At present, a locking and braking mechanism of a foot rest, a cart or the like is generally installed at the position of wheels, however, the foot rest, the cart or the like is generally provided with a plurality of wheels, and therefore, the locking and braking mechanism is generally required to be installed at the position of each wheel, so that the cost is high, and in addition, the locking and braking mechanism is also required to be used for locking and braking each wheel one by one during braking due to the structural design, so that the operation is troublesome.
Disclosure of Invention
Based on this, the invention aims to provide a base lock-brake mechanism which can facilitate the lock-brake operation and has relatively low cost.
The technical scheme of the invention is as follows: the utility model provides a base lock mechanism of stopping, includes loading seat, supporting axle seat, first pedal piece, second pedal piece, elastic element, driving medium and lock piece of stopping, the truckle is installed to the bottom of loading seat, the first end fixed connection of supporting axle seat is in the bottom of loading seat, the driving medium is installed on the supporting axle seat, just the driving medium can be followed the axial displacement of supporting axle seat, first pedal piece with second pedal piece respectively with the driving medium linkage is connected, elastic element's both ends are connected respectively the driving medium with the second end of supporting axle seat, lock stop piece with driving medium fixed connection, the supporting axle seat is equipped with in its position that is close to its first end is used for locking the location structure of driving medium, the supporting axle seat is equipped with in the position of keeping away from its first end and is used for restricting the limit structure that the driving medium removed.
Optionally, the driving medium includes drive table and connecting axle, the drive table cover is in outside the support axle bed, the connecting axle slidable install in the drive table, first pedal piece with second pedal piece respectively with connecting axle swing joint.
Optionally, the supporting shaft seat is of a cylindrical structure, the supporting shaft seat is provided with a sliding hole extending along the axial direction of the supporting shaft seat, and the connecting shaft penetrates through the sliding hole.
Optionally, the positioning structure is a limiting hole connected with the first end of the sliding hole, an acute angle is formed between the extending direction of the limiting hole and the extending direction of the sliding hole, and the tail end of the limiting hole is far away from the loading seat relative to the first end of the sliding hole.
Optionally, the transmission platform is equipped with the otic placode, the otic placode be equipped with the corresponding first bar hole in spacing hole, the extending direction in first bar hole with the extending direction in spacing hole is the same, the connecting axle passes first bar hole.
Optionally, two ear plates are provided, the two ear plates are respectively provided at two sides of the transmission platform, and the two ear plates are oppositely arranged.
Optionally, the second end of the sliding hole is a closed end, and the closed end forms the limiting structure.
Optionally, the lock piece of stopping is the lock section of thick bamboo of stopping, the back shaft seat cover is in the lock is stopped outside the section of thick bamboo, the lock is stopped the section of thick bamboo and is equipped with the corresponding second bar hole in spacing hole, the extending direction in second bar hole with the extending direction in spacing hole is the same, the connecting axle passes the second bar hole.
Optionally, the bottom of lock section of thick bamboo of stopping is used for contacting with ground, just the bottom mounting of lock section of thick bamboo of stopping is provided with the rubber layer.
Optionally, the elastic element is a spring, an end plate is arranged at the second end of the supporting shaft seat, and two ends of the spring are respectively connected with the transmission platform and the end plate.
Optionally, the spring is sleeved outside the supporting shaft seat.
Optionally, one end of the first pedal member is provided with a third bar-shaped hole corresponding to the limiting hole, the extending direction of the third bar-shaped hole is the same as the extending direction of the limiting hole, and the connecting shaft penetrates through the third bar-shaped hole.
Optionally, a fixing seat is arranged at the bottom of the loading seat, a rotating shaft is installed on the fixing seat, and the rotating shaft penetrates through the middle part of the first pedal piece and the middle part of the second pedal piece.
Optionally, the second pedal piece includes main pedal pole and connecting rod, the one end of connecting rod penetrates the support axle bed with connecting axle swing joint, the other end of connecting rod with the one end of main pedal pole articulates mutually, the pivot passes the middle part of main pedal pole.
Optionally, the first pedal member is a frame-shaped structure, and the second pedal member is disposed in the frame.
Optionally, the supporting shaft seat is fixedly connected to the central position of the bottom of the loading seat.
The embodiment of the invention has the following beneficial effects:
in the base locking and braking mechanism, as the transmission piece can move along the axial direction of the supporting shaft seat, the first pedal piece and the second pedal piece are respectively connected with the transmission piece in a linkage way, and the locking and braking piece is fixedly connected with the transmission piece, when the transmission piece is positioned at the position of the limiting structure under the abutting action of the elastic element, the locking and braking piece is positioned at a position far away from the supporting shaft seat, so that the locking and braking piece is in a state of extending or protruding from the supporting shaft seat, and the locking and braking piece abuts against the ground at the moment and realizes the locking and braking action through static friction with the ground; under the situation, if the first pedal piece is stepped on by a foot, the first pedal piece drives the transmission piece and the locking and braking piece to move along the axial direction of the supporting shaft seat towards the direction close to the loading seat until the locking and braking piece is locked at the position of the positioning structure, and at the moment, the locking and braking piece is retracted, so that the loading seat can move freely; then, if the second pedal member is stepped on by a foot, the second pedal member can drive the transmission member to unlock from the positioning structure, then the transmission member and the locking and braking member can move along the direction away from the loading seat under the restoring action of the elastic element and finally are pressed at the position of the limiting structure by the elastic element, at this time, the locking and braking member is in a state of stretching out or protruding from the supporting shaft seat to press against the ground, and further the locking and braking effect is realized. Therefore, the base locking and braking mechanism can release the locking and braking action of the loading base by stepping on the first pedal piece, and can realize the locking and braking action by stepping on the second pedal piece, so that the base locking and braking mechanism is very simple and convenient to operate. In addition, the lock brake structure is not required to be arranged at the position of each caster wheel of the loading seat, so that the cost is reduced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a base lock-brake mechanism according to an embodiment of the present invention.
Fig. 2 is an exploded view of a chassis lock brake mechanism according to an embodiment of the present invention.
Fig. 3 is a side view of a base lock-brake mechanism according to an embodiment of the present invention in a locked-brake state.
Fig. 4 is a cross-sectional view of a base lock-brake mechanism in a locked-brake state according to an embodiment of the present invention.
Fig. 5 is a side view of the base lock-brake mechanism according to the embodiment of the present invention, when the transmission member moves up to the first end of the slide hole after the first pedal member is stepped on.
Fig. 6 is a cross-sectional view of the base lock-brake mechanism according to the embodiment of the present invention, when the transmission member moves up to the first end of the slide hole after the first pedal member is stepped on.
Fig. 7 is a cross-sectional view of the base locking and braking mechanism according to an embodiment of the present invention when the transmission member and the locking and braking member are locked by the positioning structure.
FIG. 8 is a cross-sectional view of the locking and braking mechanism of the base according to the embodiment of the present invention, when the transmission member and the locking and braking member are unlocked from the positioning mechanism after the second pedal member is stepped on.
Fig. 9 is a schematic diagram of an assembly structure among the support shaft seat, the spring and the transmission member according to the present embodiment.
Reference numerals illustrate:
1. the loading seat, 2, the supporting shaft seat, 21, the end plate, 22, the sliding hole, 23, the limiting hole, 3, the first pedal piece, 4, the second pedal piece, 41, the main pedal rod, 42, the connecting rod, 5, the spring, 6, the driving piece, 61, the driving table, 611, the lug plate, 612, the first bar-shaped hole, 62, the connecting shaft, 7, the locking and braking cylinder, 71, the second bar-shaped hole, 8, the caster, 301, the third bar-shaped hole, 9, the fixing seat, 10 and the rotating shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.
Referring to fig. 1 to 3 and fig. 9, the present embodiment provides a base locking and braking mechanism, which includes a loading seat 1, a supporting shaft seat 2, a first pedal 3, a second pedal 4, an elastic element, a transmission member 6 and a locking and braking member, wherein a caster 8 is installed at the bottom of the loading seat 1, a first end of the supporting shaft seat 2 is fixedly connected to the bottom of the loading seat 1, the transmission member 6 is installed on the supporting shaft seat 2, and the transmission member 6 can move along the axial direction of the supporting shaft seat 2, the first pedal 3 and the second pedal 4 are respectively connected with the transmission member 6 in a linkage manner, two ends of the elastic element are respectively connected with the transmission member 6 and a second end of the supporting shaft seat 2, the locking and braking member is fixedly connected with the transmission member 6, the supporting shaft seat 2 is provided with a positioning structure for locking the transmission member 6 at a position close to the first end thereof, and the supporting shaft seat 2 is provided with a limiting structure for limiting the movement of the transmission member 6 at a position far away from the first end thereof.
Therefore, the base locking and braking mechanism can release the locking of the positioning structure to the transmission part 6 by stepping the second pedal part 4, and further can drive the transmission part 6 to move together with the locking and braking part through the elastic element, so that the locking and braking part protrudes and abuts against the ground, the locking and braking effect can be realized through static friction between the locking and braking part and the ground, and a cart or a foot rest comprising the base locking and braking mechanism can realize braking; in addition, the base locking and braking mechanism can lock the transmission piece 6 at the positioning structure by stepping on the first pedal piece 3 so as to retract the locking and braking piece, and further can release the locking and braking action of the loading seat 1. Therefore, the base lock-brake mechanism of the embodiment is very simple and convenient to operate. Furthermore, the lock brake structure is not required to be arranged at the position of each castor 8 of the loading seat 1, so that the cost is reduced.
The elastic element in this embodiment is a spring 5, the second end of the supporting shaft seat 2 is provided with an end plate 21, two ends of the spring 5 are respectively connected with the transmission table 61 and the end plate 21, and preferably, the spring 5 is sleeved outside the supporting shaft seat 2. The transmission member 6 of the present embodiment includes a transmission table 61 and a connecting shaft 62, the transmission table 61 is slidably sleeved outside the supporting shaft seat 2, the connecting shaft 62 is slidably mounted on the transmission table 61, and the first pedal member 3 and the second pedal member 4 are movably connected with the connecting shaft 62, so that linkage connection between the first pedal member 3 and the second pedal member 4 and the transmission member 6 is realized, and when the first pedal member 3 and the second pedal member 4 are stepped on by a foot, driving of the transmission member 6 together with locking and braking members can be realized. Specifically, the supporting shaft seat 2 is in a cylindrical structure, the locking and braking piece is a locking and braking cylinder 7, the supporting shaft seat 2 is sleeved outside the locking and braking cylinder 7, the supporting shaft seat 2 is provided with a sliding hole 22 extending along the axial direction of the supporting shaft seat, and the connecting shaft 62 penetrates through the sliding hole 22, so that the connecting shaft 62 can move up and down along the sliding hole 22, and further the transmission table 61 can move up and down along the axial direction of the supporting shaft seat 2; the positioning structure is a limiting hole 23 connected with the first end of the sliding hole 22, the extending direction of the limiting hole 23 and the extending direction of the sliding hole 22 form an acute angle, and the tail end of the limiting hole 23 is far away from the loading seat 1 relative to the first end of the sliding hole 22, so that when the transmission table 61 moves up to the first end of the sliding hole 22 against the acting force of the spring 5 under the action of the first pedal 3, the connecting shaft 62 can enter the limiting hole 23 under the elastic action of the spring 5, and further the locking of the transmission member 6 can be realized, the locking and braking cylinder 7 is in a retracted and locked state, and at the moment, the locking and braking action of the loading seat 1 is released and free movement can be performed. In this embodiment, the transmission table 61 is provided with two ear plates 611, the two ear plates 611 are respectively disposed at two sides of the transmission table 61, each ear plate 611 is provided with a first bar hole 612 corresponding to the limiting hole 23, the extending direction of the first bar hole 612 is the same as that of the limiting hole 23, and the connecting shaft 62 passes through the first bar hole 612, so that connection and installation between the connecting shaft 62 and the transmission table 61 are realized, and by providing the first bar hole 612 which can be coincidently communicated with the limiting hole 23, limitation on sliding of the connecting shaft 62 is avoided, so that the connecting shaft 62 can enter the limiting hole 23 to perform locking positioning or come out of the limiting hole 23 to release locking. On the other hand, the supporting shaft seat 2 is fixedly connected to the central position of the bottom of the loading seat 1, so that the locking and braking effects can be better realized.
In addition, in the present embodiment, the second end of the sliding hole 22 is a closed end, and the closed end forms the above-mentioned limit structure, so that when the connecting shaft 62 of the transmission member 6 moves to the position of the second end of the sliding hole 22 under the action of the spring 5, the second end of the sliding hole 22 is a closed end, so that the downward movement of the connecting shaft 62 can be limited, so that the transmission member 6 is positioned at the position of the second end of the sliding hole 22, and the lock and brake cylinder 7 can be in a protruding state to abut against the ground, thereby realizing the lock and brake effect. In this embodiment, the lock brake cylinder 7 is provided with a second bar hole 71 corresponding to the limit hole 23, the extending direction of the second bar hole 71 is the same as that of the limit hole 23, the connecting shaft 62 passes through the second bar hole 71, the second bar hole 71 is always in coincident communication with the first bar hole 612, and when the lock brake cylinder 7 is in the retracted state, the second bar hole 71 and the first bar hole 612 can be in coincident communication with the limit hole 23, so that the connecting shaft 62 can enter the limit hole 23 or come out of the limit hole 23. In addition, in this embodiment, the bottom mounting of lock section of thick bamboo 7 of stopping is provided with the rubber layer, and when lock section of thick bamboo 7 of stopping was in the salient state, this rubber layer can support and press on ground, then through adopting the rubber layer, can increase the frictional force with ground to can utilize the static friction effect between rubber layer and the ground to realize the lock and stop.
Further, in the present embodiment, one end of the first pedal member 3 is provided with a third bar-shaped hole 301 corresponding to the limiting hole 23, the extending direction of the third bar-shaped hole 301 is the same as the extending direction of the limiting hole 23, and the connecting shaft 62 passes through the third bar-shaped hole 301, so that when the lock brake cylinder 7 is in the retracted state, the third bar-shaped hole 301 is in overlapping communication with the first bar-shaped hole 612, the second bar-shaped hole 71 and the limiting hole 23, thereby avoiding the limitation of the connecting shaft 62 sliding into or out of the limiting hole 23. In addition, a fixed seat 9 is arranged at the bottom of the loading seat 1, a rotating shaft 10 is arranged on the fixed seat 9, and the rotating shaft 10 passes through the middle part of the first pedal piece 3 and the middle part of the second pedal piece 4, so that the first pedal piece 3 and the second pedal piece 4 can drive the transmission platform 61 in a lever mode; specifically, the second pedal member 4 includes a main pedal lever 41 and a connecting rod 42, one end of the connecting rod 42 penetrates into the supporting shaft seat 2 to be movably connected with the connecting shaft 62, the other end of the connecting rod 42 is hinged with one end of the main pedal lever 41, and the rotating shaft 10 penetrates through the middle part of the main pedal lever 41, so that when the connecting shaft 62 is positioned in the limiting hole 23, the connecting shaft 62 can be ejected from the limiting hole 23 into the sliding hole 22 by stepping on the second pedal member 4, and further, the locking of the transmission member 6 can be released. The first pedal 3 of the present embodiment has a frame structure, and the second pedal 4 is disposed in the frame structure, so that the structure can be more compact.
The loading seat 1 of the present embodiment may be a base of a cart, a foot stand, or the like, and the loading seat 1 may be a loading platform.
The working process of the base locking and braking mechanism of the embodiment is as follows: when the spring 5 applies a pulling force to the transmission table 61 of the transmission member 6 to push the connecting shaft 62 of the transmission member 6 against the second end of the sliding hole 22, the locking and braking cylinder 7 is in a state of extending or protruding from the supporting shaft seat 2, and at this time, the rubber layer at the bottom end of the locking and braking cylinder 7 can push against the ground and realize a locking and braking effect through static friction with the ground (see fig. 3 and 4 in particular), so that the cart or foot rest comprising the base locking and braking mechanism is in a braking state; in this case, if the first pedal 3 is stepped on by a foot, the first pedal 3 drives the connecting shaft 62 to move up along the sliding hole 22 of the supporting shaft seat 2, and the connecting shaft 62 drives the driving table 61 and the locking and braking cylinder 7 to move along the axial direction of the supporting shaft seat 2 towards the direction close to the loading seat 1, so that the locking and braking cylinder 7 is retracted, and in this case, one end of the connecting rod 42 of the second pedal 4 moves up along with the connecting rod 42, and the tail end of the main pedal rod 41 of the second pedal 4 sinks under the leverage (refer to fig. 5 and 6 in particular); when the connecting shaft 62 moves up to the position of the first end of the slide hole 22 under the action of the first pedal 3, the connecting shaft 62 slides into the limit hole 23 and is positioned at the limit hole 23 due to the tension of the spring 5, and accordingly the transmission table 61 is positioned at the limit hole 23, so that the lock brake cylinder 7 is in a retracted positioning state (see fig. 7 in particular), in addition, in this case, since one end of the connecting rod 42 of the second pedal 4 connected with the connecting shaft 62 moves to the position corresponding to the limit hole 23 along with the connecting shaft 62, the tail end of the main pedal lever 41 of the second pedal 4 moves up to the position where the pedal can be initially stepped due to the lever action, and at this time, the cart or the foot stand including the base lock mechanism can freely travel; when the base locking and braking mechanism needs to perform locking and braking to realize braking of a cart or a foot rest, the locking and braking mechanism can be realized by stepping on the second pedal 4, specifically, when stepping on the second pedal 4, the second pedal 4 ejects the connecting shaft 62 from the limiting hole 23 and enters the sliding hole 22 (see fig. 8 in particular), and the transmission table 61 and the connecting shaft 62 move downwards along the sliding hole 22 under the action of the pulling force of the spring 5 until the connecting shaft 62 is propped against the position of the second end of the sliding hole 22, the corresponding transmission table 61 also moves downwards to the position of the second end of the sliding hole 22, and the locking and braking cylinder 7 extends out or protrudes from the supporting shaft seat 2 and can finally prop against the ground to realize locking and braking (see fig. 3 and 4 in particular), so that the cart or the foot rest comprising the base locking and braking mechanism is in a braking state.
Therefore, the base lock brake mechanism is very simple and convenient in the operation of locking and unlocking. Moreover, compared with the prior art, the lock brake structure is not required to be arranged at the position of each caster wheel 8 of the loading seat 1, thereby being beneficial to reducing the cost.
It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the invention.
While the foregoing is directed to the preferred embodiments of the present invention, it should be noted that modifications and variations could be made by those skilled in the art without departing from the principles of the present invention, and such modifications and variations are to be regarded as being within the scope of the invention.

Claims (13)

1. The base locking and braking mechanism is characterized by comprising a loading seat, a supporting shaft seat, a first pedal piece, a second pedal piece, an elastic element, a transmission piece and a locking and braking piece, wherein casters are arranged at the bottom of the loading seat, the first end of the supporting shaft seat is fixedly connected to the bottom of the loading seat, the transmission piece is arranged on the supporting shaft seat and can move along the axial direction of the supporting shaft seat, the first pedal piece and the second pedal piece are respectively connected with the transmission piece in a linkage way, two ends of the elastic element are respectively connected with the transmission piece and the second end of the supporting shaft seat, the locking and braking piece is fixedly connected with the transmission piece, a positioning structure for locking the transmission piece is arranged at the position, close to the first end, of the supporting shaft seat, and a limiting structure for limiting the movement of the transmission piece is arranged at the position, far away from the first end, of the supporting shaft seat.
The transmission piece comprises a transmission table and a connecting shaft, the transmission table is sleeved outside the supporting shaft seat, the connecting shaft is slidably arranged on the transmission table, and the first pedal piece and the second pedal piece are respectively and movably connected with the connecting shaft;
the bottom of the loading seat is provided with a fixed seat, the fixed seat is provided with a rotating shaft, and the rotating shaft penetrates through the middle part of the first pedal piece and the middle part of the second pedal piece;
the second pedal piece comprises a main pedal rod and a connecting rod, one end of the connecting rod penetrates into the supporting shaft seat to be movably connected with the connecting shaft, the other end of the connecting rod is hinged with one end of the main pedal rod, and the rotating shaft penetrates through the middle part of the main pedal rod.
2. The foundation lock-brake mechanism of claim 1, wherein the support shaft seat is a cylindrical structure, the support shaft seat is provided with a slide hole extending along an axial direction thereof, and the connecting shaft passes through the slide hole.
3. The base lock-brake mechanism of claim 2, wherein the positioning structure is a limiting hole connected to the first end of the sliding hole, an extending direction of the limiting hole forms an acute angle with an extending direction of the sliding hole, and a tail end of the limiting hole is away from the loading seat relative to the first end of the sliding hole.
4. A base lock-brake mechanism according to claim 3, wherein the transmission table is provided with an ear plate, the ear plate is provided with a first bar-shaped hole corresponding to the limit hole, the extending direction of the first bar-shaped hole is the same as the extending direction of the limit hole, and the connecting shaft passes through the first bar-shaped hole.
5. The base lock-brake mechanism according to claim 4, wherein two lug plates are provided, the two lug plates are respectively provided on both sides of the transmission table, and the two lug plates are oppositely provided.
6. The foundation lock-brake mechanism of claim 2, wherein the second end of the slide aperture is a closed end, the closed end constituting the limit structure.
7. The base lock brake mechanism according to claim 3, wherein the lock brake member is a lock brake cylinder, the support shaft seat is sleeved outside the lock brake cylinder, the lock brake cylinder is provided with a second bar-shaped hole corresponding to the limit hole, the extending direction of the second bar-shaped hole is the same as the extending direction of the limit hole, and the connecting shaft penetrates through the second bar-shaped hole.
8. The base lock-brake mechanism of claim 7, wherein the bottom end of the lock-brake cylinder is configured to contact the ground, and the bottom end of the lock-brake cylinder is fixedly provided with a rubber layer.
9. The base lock-brake mechanism of claim 1, wherein the elastic element is a spring, the second end of the support shaft seat is provided with an end plate, and two ends of the spring are respectively connected with the transmission table and the end plate.
10. The foundation lock-brake mechanism of claim 9, wherein said spring is sleeved outside said support axle seat.
11. A base lock-brake mechanism according to claim 3, wherein one end of the first pedal member is provided with a third bar-shaped hole corresponding to the limit hole, the extending direction of the third bar-shaped hole is the same as the extending direction of the limit hole, and the connecting shaft passes through the third bar-shaped hole.
12. The foundation lock-brake mechanism of claim 1, wherein said first pedal is a frame-shaped structure and said second pedal is disposed within said frame.
13. The foundation lock-brake mechanism of claim 1, wherein the support axle seat is fixedly attached to a central location of the bottom of the loading axle seat.
CN201810550902.0A 2018-05-31 2018-05-31 Base lock mechanism of stopping Active CN108715182B (en)

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CN108715182B true CN108715182B (en) 2024-02-20

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115070396A (en) * 2022-07-14 2022-09-20 张留琪 Roller dismounting device of coating machine
ES1295598Y (en) * 2022-09-15 2023-02-17 Shopping Basket SHOPPING BASKET WITH INCORPORATED LOCKING SYSTEM

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010088739A (en) * 2001-08-28 2001-09-28 배영성 A cart's ground settling units
KR20150009213A (en) * 2013-07-16 2015-01-26 주식회사 성도캐스터 Floor Lock for cart
CN206017490U (en) * 2016-08-31 2017-03-15 北京美餐巧达科技有限公司 A kind of removable fixed brake
CN107351899A (en) * 2017-07-19 2017-11-17 苏州晔鸿纺织有限公司 A kind of fixable weaving trolley
CN207394249U (en) * 2017-08-29 2018-05-22 广州视源电子科技股份有限公司 A kind of Mobile foot stool
CN208559467U (en) * 2018-05-31 2019-03-01 广州视源电子科技股份有限公司 A kind of pedestal Suo Sha mechanism

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK9600130U3 (en) * 1996-04-16 1997-08-22 Asbro Aps Fab Retractable brake or support foot, especially for a trolley, mail container or similar transport device with drive wheels
US20070080030A1 (en) * 2005-10-06 2007-04-12 Sunrise Medical Hhg Inc. Brake assembly for beds

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010088739A (en) * 2001-08-28 2001-09-28 배영성 A cart's ground settling units
KR20150009213A (en) * 2013-07-16 2015-01-26 주식회사 성도캐스터 Floor Lock for cart
CN206017490U (en) * 2016-08-31 2017-03-15 北京美餐巧达科技有限公司 A kind of removable fixed brake
CN107351899A (en) * 2017-07-19 2017-11-17 苏州晔鸿纺织有限公司 A kind of fixable weaving trolley
CN207394249U (en) * 2017-08-29 2018-05-22 广州视源电子科技股份有限公司 A kind of Mobile foot stool
CN208559467U (en) * 2018-05-31 2019-03-01 广州视源电子科技股份有限公司 A kind of pedestal Suo Sha mechanism

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