CN205452931U - Link mechanism for cubical switchboard - Google Patents

Link mechanism for cubical switchboard Download PDF

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Publication number
CN205452931U
CN205452931U CN201620197932.4U CN201620197932U CN205452931U CN 205452931 U CN205452931 U CN 205452931U CN 201620197932 U CN201620197932 U CN 201620197932U CN 205452931 U CN205452931 U CN 205452931U
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China
Prior art keywords
plate
door
pin joint
connecting rod
linkage
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Active
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CN201620197932.4U
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Chinese (zh)
Inventor
金旭
王钧
晏文曲
田晓越
陈洋波
潘世岩
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Huayi Electric Apparatus Group
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Huayi Electric Apparatus Group
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Priority to CN201620197932.4U priority Critical patent/CN205452931U/en
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Publication of CN205452931U publication Critical patent/CN205452931U/en
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Abstract

The utility model provides a link mechanism for cubical switchboard, through first subassembly with the second subassembly for four -bar linkage with first door plant with the second door plant couples together, at this moment though four -bar linkage can't be in by direct action first door plant and second door plant closed position front end nevertheless owing to connected first subassembly as transmission, have compensatied not enough in length, make four -bar linkage can offset and set up closed position's below to solved and to have placed when adopting the four -bar linkage among the prior art in the defect of first door plant with second door plant closed position front end.

Description

A kind of switch cubicle linkage
Technical field
This utility model relates to double leval jib field, is specifically related to a kind of switch cubicle linkage.
Background technology
High-tension switch cabinet is changed for power system electric energy, plays break-make, controls or the effect such as protection, and high-tension switch cabinet is made up of cabinet and chopper two major part, and cabinet includes the electric elements on housing and the differing heights position that is arranged in housing.Chopper can use as switch, and during use, in the middle of circuit breaker cart access switch cabinet, chopper contacts with the contact box in cabinet, breaker closing, and whole switch cubicle internal circuit connects, and switch cubicle is started working;When the chopper on chopper goes wrong or needs to overhaul, breaker open operation, switch cubicle power-off, circuit breaker cart leaves cabinet.
Owing to there is numerous high tension apparatus in high-tension switch cabinet, when staff manipulates circuit breaker cart entrance or leaves cabinet, it may occur however that the electric phenomenon between high tension apparatus and circuit breaker cart, thus staff is damaged.Generation in order to avoid this phenomenon, a valve being perpendicular to run track is set up between track and contact box running of circuit breaker cart, valve is installed the first door-plate and the second door-plate, when circuit breaker cart is near valve, first door-plate and the second door-plate are opened each other, chopper contacts with contact box, after circuit breaker cart leaves valve, first door-plate and the second door-plate close each other, prevent by valve generation electric discharge phenomena between high tension apparatus and circuit breaker cart, and then the safety of harm operator.
First door-plate and second door-plate of high-tension switch cabinet commonly uses employing screw mandrel as running guide rail at present, leverage acts on the first door-plate and the lower section of the second door-plate, driven by engine screw body complete the first door-plate and the second door-plate on valve door frame away from each other or close.But, screw mandrel frictional force is relatively big, slides dumb, is susceptible to the phenomenons such as card under the working condition of switch cubicle.
Documents CN203097558 discloses a kind of quadric chain, the left quadric chain identical including structure and right quadric chain, left quadric chain and right quadric chain are respectively by continuous print first connecting rod, second connecting rod, third connecting rod, fourth link forms, the junction point of two second connecting rods and third connecting rod is hinged, described quadric chain and left front cover and the make position flush of right front shroud, the starting point of two first connecting rods is hinged on same fixing axle, when motive force acts on fixing axle, the left front cover of fourth link end and the motion of right front shroud synchronous backward to each other, complete moving process.This linkage arrangement is simple, and avoids the bigger defect that rubs in traditional screw structure, is the most relatively suitable for being applied to needs by the working environment of workpiece synchronous backward folding.
In the middle of switch cubicle, valve handcart moves along handcart guide rail, handcart guide rail is arranged horizontally at the bottom of valve door frame, valve door frame, contact box and chopper are arranged at above handcart guide rail, if this quadric chain to be set directly at the first door-plate and the position of the second door-plate Guan Bi, now quadric chain will be located between valve and chopper, it will affects contacting of chopper and contact box so that chopper cannot be connected smoothly with contact box.Therefore this quadric chain cannot be applied directly in the middle of switch cubicle.
Utility model content
Therefore, the technical problems to be solved in the utility model is that the quadric chain of prior art cannot act directly on the first door-plate and the defect of the second door-plate make position front end in switch cubicle, thus provide a kind of be arranged on circuit breaker cart platform, indirect action linkage on described, on the second door-plate.
To this end, this utility model provides a kind of switch cubicle linkage, including valve, by the first door-plate, the second door-plate and limit described first door-plate and guide frame that described second door-plate moves back and forth in opposite directions forms;Quadric chain, has the first connecting rod hinged by the first pin joint and second connecting rod, the third connecting rod hinged by the second pin joint and fourth link, and described second pin joint is positioned at described third connecting rod and the centre at fourth link two ends;One end of described second connecting rod is connected with one end of described third connecting rod, and one end of described first connecting rod is connected with one end of described fourth link;Described quadric chain is arranged on the described valve side of moving back and forth and is upwardly away from the side of described first door-plate, the other end of described third connecting rod connects assembly by first and is connected with described first door-plate and to drive described first door-plate to move, and the other end of described fourth link is connected with described second door-plate by the second connection assembly and drives described second door-plate to move.
Described first connection assembly is a stock, and described stock one end is hinged with described third connecting rod, hinged described first door-plate of the described stock other end;Described second connection assembly is a quarter butt, and described quarter butt one end is hinged with described fourth link, hinged described second door-plate of the described quarter butt other end.
Described linkage also includes the fixed plate being fixed on switch cubicle body, and described first pin joint moves back and forth direction in opposite directions and is reciprocatingly arranged in described fixed plate being perpendicular to described valve, and described second pin joint is fixedly provided in described fixed plate.
Described first pin joint is arranged on inside the chute taken shape in described fixed plate, and described chute limits the motion path of described first pin joint.
Described linkage also includes spring, described both ends of the spring is respectively acting on described fixed plate and described linkage, when described first door-plate separates with described second door-plate, described spring elongation, it is provided that make the biasing force that described first door-plate is mutually closed with described second door-plate.
Being additionally provided with connecting shaft on described quadric chain, described connecting shaft is vertically arranged with described fourth link or second connecting rod, and circuit breaker cart promotes described connecting shaft, makes described quadric chain action.
Described linkage also includes locking device, and when described first door-plate and described second door-plate Guan Bi, described locking device locks described first pin joint, prevents described first door-plate to be opened accidentally with described second door-plate.
Described locking device has the shift rod that can be rotatably set in described fixed plate, described shift rod is by tending to stopping the biasing force of described first pin joint mobile route, and during handcart access switch cabinet, rotate and get out of the way described first pin joint mobile route.
Technical solutions of the utility model, have the advantage that
1. this utility model provides a kind of switch cubicle linkage, described quadric chain is arranged on the described valve side of moving back and forth and is upwardly away from the side of described first door-plate, the other end of described third connecting rod connects assembly by first and is connected with described first door-plate and to drive described first door-plate to move, and the other end of described fourth link is connected with described second door-plate by the second connection assembly and drives described second door-plate to move.
By described first assembly and described second assembly, quadric chain is coupled together with described second door-plate with described first door-plate, although the most described quadric chain cannot act directly on described first door-plate and the second door-plate make position front end, but owing to being connected to the first assembly as transferring member, compensate for the deficiency in length, make described quadric chain can bias the lower section being arranged on described make position, thus the first door-plate and the defect of the second door-plate make position front end can only be positioned over when solving employing quadric chain of the prior art.
2. this utility model provides a kind of switch cubicle linkage, and described first connection assembly is a stock, and described stock one end is hinged with described third connecting rod, hinged described first door-plate of the described stock other end;Described second connection assembly is a quarter butt, and described quarter butt one end is hinged with described fourth link, hinged described second door-plate of the described quarter butt other end.Described stock and described quarter butt have preferable rigidity, it is possible to well transmit the power of double leval jib, and drive first door-plate hinged with it and the second door-plate to move repeatedly in opposite directions.
3. this utility model provides a kind of switch cubicle linkage, described linkage also includes the fixed plate being fixed on switch cubicle body, described first pin joint moves back and forth direction in opposite directions and is reciprocatingly arranged in described fixed plate being perpendicular to described valve, and described second pin joint is fixedly provided in described fixed plate.
By described fixed plate so that described quadric chain can complete the vertical motion consistent with the described second door-plate direction of motion with described first door-plate.
4. this utility model provides a kind of switch cubicle linkage, described first pin joint is arranged on inside the chute taken shape in described fixed plate, described chute limits the motion path of described first pin joint, by the restriction to described first pin joint motion path, the rotational angle of described third connecting rod and described fourth link can be limited, and then limit the opened and closed positions of described first door-plate and described second door-plate.
5. this utility model provides a kind of switch cubicle linkage, described linkage also includes spring, described both ends of the spring is respectively acting on described fixed plate and described linkage, when described first door-plate separates with described second door-plate, described spring elongation, the biasing force making described first door-plate be mutually closed with described second door-plate is provided, this biasing force can drive described third connecting rod and fourth link, and then drive described first door-plate and the second door-plate, make the motion that the two generation position is close to each other, thus complete the closedown of door-plate.
6. this utility model provides a kind of switch cubicle linkage, it is additionally provided with connecting shaft on described quadric chain, described connecting shaft is vertically arranged with described fourth link or second connecting rod, described connecting shaft can the stress point of whole quadric chain, circuit breaker cart promotes described connecting shaft, make described quadric chain action, thus drive described first door-plate and the second door-plate to occur away from each other or close.
7. this utility model provides a kind of switch cubicle linkage, described linkage also includes locking device, described locking device has the shift rod that can be rotatably set in described fixed plate, described shift rod is by tending to stopping the biasing force of described first pin joint mobile route, and during handcart access switch cabinet, rotate and get out of the way described first pin joint mobile route.When described first door-plate and described second door-plate Guan Bi, described locking device locks described first pin joint, because being all synchronized with the movement between each connecting rod of described quadric chain, after described locking the first pin joint, just lock whole quadric chain, thus lock described first door-plate and described second door-plate.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the Fig. 1 described linkage for providing in the first embodiment of the present utility model;
Description of reference numerals:
1-first connecting rod;2-second connecting rod;3-third connecting rod;4-fourth link;5-the first pin joint;6-the second pin joint;7-stock;8-quarter butt;9-fixed plate;10-chute;11-spring;12-connecting shaft;13-shift rod;14-the first door-plate;15-the second door-plate
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can be to be mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
As long as just can be combined with each other additionally, technical characteristic involved in this utility model difference embodiment disclosed below does not constitutes conflict each other.
Embodiment 1
This utility model provides a kind of switch cubicle linkage, described quadric chain is arranged on the described valve side of moving back and forth and is upwardly away from the side of described first door-plate 14, the other end of described third connecting rod 3 connects assembly by first and is connected with described first door-plate 14 and to drive described first door-plate 14 to move, and the other end of described fourth link 4 is connected with described second door-plate 15 by the second connection assembly and drives described second door-plate 15 to move.
By described first assembly and described second assembly, quadric chain is coupled together with described second door-plate 15 with described first door-plate 14, although the most described quadric chain cannot act directly on described first door-plate 14 and the second door-plate 15 make position front end, but owing to being connected to the first assembly as transferring member, compensate for the deficiency in length, make described quadric chain can bias the lower section being arranged on described make position, thus the first door-plate 14 and defect of the second door-plate 15 make position front end can only be positioned over when solving employing quadric chain of the prior art.
As preferred embodiment, the described first connection assembly that the present embodiment provides is a stock 7, and described stock 7 one end is hinged with described third connecting rod 3, hinged described first door-plate 14 of described stock 7 other end;Described second connection assembly is a quarter butt 8, and described quarter butt 8 one end is hinged with described fourth link 4, hinged described second door-plate 15 of described quarter butt 8 other end.Described stock 7 has preferable rigidity with described quarter butt 8, it is possible to well transmits the power of double leval jib, and drives first door-plate 14 hinged with it and the second door-plate 15 to move repeatedly in opposite directions.
As preferred embodiment, the described linkage that the present embodiment provides also includes the fixed plate 9 being fixed on switch cubicle body, described first pin joint 5 moves back and forth direction in opposite directions and is reciprocatingly arranged in described fixed plate 9 being perpendicular to described valve, and described second pin joint 6 is fixedly provided in described fixed plate 9.
By described fixed plate 9 so that described quadric chain can complete the vertical motion consistent with described second door-plate 15 direction of motion with described first door-plate 14.Specifically, described fixed plate 9 is vertically set on the walking track of circuit breaker cart, described quadric chain is connected in described fixed plate 9 by the second pin joint 6, described third connecting rod 3 and described fourth link 4 can with described second pin joint 6 be axle synchronous backward be parallel to described fixed plate 9 and rotate.
As preferred embodiment, it is internal that described first pin joint 5 that the present embodiment provides is arranged on the chute 10 taken shape in described fixed plate 9, described chute 10 limits the motion path of described first pin joint 5, by the restriction to described first pin joint 5 motion path, the rotational angle of described third connecting rod 3 and described fourth link 4 can be limited, and then limit the opened and closed positions of described first door-plate 14 and described second door-plate 15.
Specifically, in described fixed plate 9 with form on the described first corresponding position of pin joint 5 horizontally extending, there is the chute 10 of certain length, described first pin joint 5 is arranged on the inner side of described chute 10, the motion path of described first pin joint 5 is limited in the two ends of described chute 10, as shown in Figure 1, when described first pin joint 5 moves to the low order end of described annular groove, the distance of folding between the most described first door-plate 14 and described second door-plate 15 is maximum, by the restriction to described first pin joint 5 motion path of the described chute 10, the rotational angle of described third connecting rod 3 and described fourth link 4 can be limited, prevent the two rotational angle excessive, described third connecting rod 3 and the described fourth link 4 high-low limit position when opening with guide frame is caused to bump against.When described first pin joint 5 moves to the high order end of described annular groove, close between the most described first door-plate 14 and described second door-plate 15, described chute 10 can limit described first pin joint 5 to be continued to move right, and prevents described first door-plate 14 and the second door-plate 15 from colliding.
As preferred embodiment, the described linkage that the present embodiment provides also includes spring 11, described spring 11 two ends are respectively acting on described fixed plate 9 and described linkage, when described first door-plate 14 separates with described second door-plate 15, described spring elongation, the biasing force making described first door-plate 14 be mutually closed with described second door-plate 15 is provided, this biasing force can drive described third connecting rod 3 and fourth link 4, and then drive described first door-plate 14 and the second door-plate 15, make the motion that the two generation position is close to each other, thus complete the closedown of door-plate.
As preferred embodiment, it is additionally provided with connecting shaft 12 on the described quadric chain that the present embodiment provides, described connecting shaft 12 is vertically arranged with described fourth link 4 or second connecting rod 2, described connecting shaft 12 can the stress point of whole quadric chain, circuit breaker cart promotes described connecting shaft 12, make described quadric chain action, thus drive described first door-plate 14 and the second door-plate 15 to occur away from each other or close.
Specifically, circuit breaker cart acts on the lower position of described linkage, therefore described connecting shaft 12 is arranged on the described second connecting rod 2 below described quadric chain or fourth link 4, owing in described quadric chain, each connecting rod is connected with each other to each other, therefore when on second connecting rod 2 described under circuit breaker cart effect or the arbitrary connecting rod of described fourth link 4, described quadric chain all can action so that described third connecting rod 3 or first connecting rod 1 drive described first door-plate 14 or the second door-plate 15 folding or closedown.
As preferred embodiment, the described linkage that the present embodiment provides also includes locking device, described locking device has the shift rod 13 that can be rotatably set in described fixed plate 9, described shift rod 13 is by tending to stopping the biasing force of described first pin joint 5 mobile route, and during handcart access switch cabinet, rotate and get out of the way described first pin joint 5 mobile route.When described first door-plate 14 closes with described second door-plate 15, described locking device locks described first pin joint 5, because being all synchronized with the movement between each connecting rod of described quadric chain, after described locking the first pin joint 5, just lock whole quadric chain, thus lock described first door-plate 14 and described second door-plate 15.
When described valve opened by needs, when circuit breaker cart needs to enter described inside switch cabinet, first circuit breaker cart promotes described shift rod 13, makes described shift rod 13 rotate, release the restriction to described first pin joint 5, make described first pin joint 5 can move in described chute 10.Circuit breaker cart moves on, promote described connecting shaft 12, make described parallel motion, the most described first pin joint 5 moves to right-hand member from the left end of chute 10, described third connecting rod 3 is rotated up, driving described first door-plate 14 to open up, described fourth link 4 rotates down, and drives described second door-plate 15 to open downwards.When described first pin joint 5 moves to the low order end of chute 10, described third connecting rod 3 stops operating with described fourth link 4, prevents described first door-plate 14 and described second door-plate 15 hyperkinesia, clashes into the upper and lower side of guide frame, cause derailing.Now the first door-plate 14 and the second door-plate 15 are opened, and circuit breaker cart contacts with the contact box of switch internal, then breaker closing, and whole switch cubicle is started working.
When described valve closed by needs, described circuit breaker cart starts, chopper performs combined floodgate, now chopper separates with contact box, circuit breaker cart gradually unclamps the restriction to described shift rod 13, and described quadric chain is under the effect at described spring 11, and described first pin joint 5 moves to the high order end of described chute 10 to the left, now under the drive of described third connecting rod 3 and described fourth link 4, described first door-plate 14 closes each other with described second door-plate 15.Described locking device rotates and acts against on described first pin joint 5, limits the biasing force that described first pin joint 5 moves right, completes the locking to described quadric chain.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And among the protection domain that the obvious change thus extended out or variation are created still in this utility model.

Claims (8)

1. a switch cubicle linkage, including
Valve, by the first door-plate (14), the second door-plate (15) and limit described first door-plate (14) and guide frame that described second door-plate (15) moves back and forth in opposite directions forms;
Quadric chain, there is the first connecting rod (1) hinged by the first pin joint (5) and second connecting rod (2), the third connecting rod (3) hinged by the second pin joint (6) and fourth link (4), described second pin joint (6) is positioned at described third connecting rod (3) and the centre at fourth link (4) two ends;One end of described second connecting rod (2) is connected with one end of described third connecting rod (3), and one end of described first connecting rod (1) is connected with one end of described fourth link (4);
It is characterized in that, described quadric chain is arranged on the described valve side of moving back and forth and is upwardly away from the side of described first door-plate, the other end of described third connecting rod (3) connects assembly by first and is connected with described first door-plate and to drive described first door-plate to move, and the other end of described fourth link (4) is connected with described second door-plate by the second connection assembly and drives described second door-plate to move.
Linkage the most according to claim 1, it is characterized in that, described first connection assembly is a stock (7), and described stock (7) one end is hinged with described third connecting rod (3), hinged described first door-plate of described stock (7) other end;Described second connection assembly is a quarter butt (8), and described quarter butt (8) one end is hinged with described fourth link (4), hinged described second door-plate of described quarter butt (8) other end.
Linkage the most according to claim 1, it is characterized in that, also include the fixed plate (9) being fixed on switch cubicle body, described first pin joint (5) moves back and forth direction in opposite directions and is reciprocatingly arranged in described fixed plate (9) being perpendicular to described valve, and described second pin joint (6) is fixedly provided in described fixed plate (9).
Linkage the most according to claim 3, it is characterized in that, it is internal that described first pin joint (5) is arranged on the chute (10) taken shape in described fixed plate (9), and described chute (10) limits the motion path of described first pin joint (5).
Linkage the most according to claim 4, it is characterized in that, also include spring (11), described spring (11) two ends are respectively acting on described fixed plate (9) and described linkage, when described first door-plate separates with described second door-plate, described spring elongation, it is provided that make the biasing force that described first door-plate is mutually closed with described second door-plate.
Linkage the most according to claim 1, it is characterized in that, connecting shaft (12) it is additionally provided with on described quadric chain, described connecting shaft (12) is vertically arranged with described fourth link (4) or second connecting rod (2), circuit breaker cart promotes described connecting shaft (12), makes described quadric chain action.
Linkage the most according to claim 1, it is characterized in that, also include locking device, when described first door-plate (14) closes with described second door-plate (15), described locking device locks described first pin joint (5), prevents described first door-plate to be opened accidentally with described second door-plate.
Linkage the most according to claim 5, it is characterized in that, described locking device has the shift rod (13) that can be rotatably set in described fixed plate (9), described shift rod (13) is by tending to stopping the biasing force of described first pin joint (5) mobile route, and during handcart access switch cabinet, rotate and get out of the way described first pin joint (5) mobile route.
CN201620197932.4U 2016-03-15 2016-03-15 Link mechanism for cubical switchboard Active CN205452931U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620197932.4U CN205452931U (en) 2016-03-15 2016-03-15 Link mechanism for cubical switchboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620197932.4U CN205452931U (en) 2016-03-15 2016-03-15 Link mechanism for cubical switchboard

Publications (1)

Publication Number Publication Date
CN205452931U true CN205452931U (en) 2016-08-10

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Application Number Title Priority Date Filing Date
CN201620197932.4U Active CN205452931U (en) 2016-03-15 2016-03-15 Link mechanism for cubical switchboard

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115054477A (en) * 2022-05-07 2022-09-16 浙江豪中豪健康产品有限公司 Four-connecting-rod damping groove handrail opening and closing mechanism with lock catch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115054477A (en) * 2022-05-07 2022-09-16 浙江豪中豪健康产品有限公司 Four-connecting-rod damping groove handrail opening and closing mechanism with lock catch
CN115054477B (en) * 2022-05-07 2023-07-07 浙江豪中豪健康产品有限公司 Four-bar damping groove handrail opening and closing mechanism with lock catch

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