CN110499972A - A kind of miniature solution lock actuator of the automobile of quick assembling - Google Patents
A kind of miniature solution lock actuator of the automobile of quick assembling Download PDFInfo
- Publication number
- CN110499972A CN110499972A CN201910793287.0A CN201910793287A CN110499972A CN 110499972 A CN110499972 A CN 110499972A CN 201910793287 A CN201910793287 A CN 201910793287A CN 110499972 A CN110499972 A CN 110499972A
- Authority
- CN
- China
- Prior art keywords
- base seat
- seat lid
- pedestal
- permanent magnetic
- magnetic chuck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
- E05B81/18—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators to effect movement of a bolt or bolts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
- E05B81/32—Details of the actuator transmission
- E05B81/34—Details of the actuator transmission of geared transmissions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/90—Manual override in case of power failure
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/02—Lock casings
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of miniature solution lock actuators of the automobile of quick assembling, belong to automobile actuator field, including actuator main body, pedestal, base seat lid；The cavity for accommodating actuator main body is equipped in the pedestal；The base seat lid is equipped with several permanent magnetic chucks, and the pedestal is equipped with the adsorption section that cooperate with permanent magnetic chuck, and connecting or separating for pedestal and base seat lid is realized by rotating permanent magnetic chuck；The actuator main body is driven using three-level, finally output shaft is driven to rotate by motor；The centre bore that the output shaft first end passes through base seat lid is fastened by snap and latch hook, and second end passes through pedestal and is interference fitted with the solution closing piece for being connected with bracing wire.Compared with prior art, the present invention actuator compact overall structure, small in size, make the rapid and convenient in assembly by modes such as permanent magnetic chuck, buckle, interference, substantially increase assembly efficiency, and better effect.
Description
Technical field
That the present invention relates to a kind of automobile actuators more particularly to a kind of structure is simple, small in size, dismounting quickly and effect
Good automobile micro actuator.
Background technique
Actuator is the device for receiving control information in automation equipment and applying control action to controll plant, is
An essential important component in automatic control system.Its effect is the control signal for receiving controller and sending,
Change the size of controlled medium, to controlled variable be maintained in required range numerically or centainly.It is widely applied
In industries such as Aeronautics and Astronautics, military project, machinery, metallurgy, exploitation, traffic, building materials.
Actuator system is used in multiple systems such as the door lock of automobile, central controlled lock, shift, charge port, fuel tank cap.City
Its components of most actuator, external member, connector are numerous on field, cause actuator complicated integral structure, volume big, are not suitable for
Mechanical automation develops the demand developed to microminiature.And the assembly of actuator mostly use it is mechanically-assembled (such as: screw,
Bolt, riveting etc.) its Assembly part is numerous, especially small parts, it not only labor intensive and time in complete assembly, easily loses
Part is lost, cost is caused to waste, prolonged the disadvantages of the also resulting in loose-parts that work；In addition welding side is used there are also very much
The connection of formula, although can achieve the effect being bonded, welding procedure is very high to precise requirements, takes a long time, and needs
Operator has extraordinary professional technique, so that cost of labor and time cost increase, and the system after welding is encountering failure
It is very inconvenient when needing to overhaul.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the present invention is intended to provide a kind of structure is simple, components are few, whole body
Product is small, can be with the automobile micro actuator of rapid-assembling/disassembling.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of miniature solution lock actuator of the automobile of quick assembling, including actuator main body, pedestal, base seat lid；The pedestal
It is interior to be equipped with the cavity for accommodating actuator main body；The base seat lid be equipped with several permanent magnetic chucks, the pedestal be equipped with forever
The adsorption section of magnetic-disc cooperation, connecting or separating for pedestal and base seat lid is realized by rotation permanent magnetic chuck；The actuator
Main body is driven using three-level, and wherein primary transmission drives level-one straight-tooth gear linkage primary transmission bar by motor output gear；
Secondary transmission is parallel with primary transmission, drives the rotation of second level straight-tooth gear by level-one straight-tooth gear, passes through secondary transmission bar band
Dynamic deuterostrophies bevel-gear rotating；Three-level transmission is vertical with secondary transmission, drives three-level spiral umbrella by deuterostrophies bevel gear
Gear rotates and then drives output shaft rotation；The centre bore that the output shaft first end passes through base seat lid passes through snap and lock
Fastener closes, and second end passes through pedestal and is interference fitted with the solution closing piece for being connected with bracing wire.
It is preferred: further include the handle for rotating permanent magnetic chuck, the pedestal and base seat lid be it is rectangular, the base seat lid is at least
One opposite side is equipped with permanent magnetic chuck, and the handle slot for placing handle is additionally provided in the base seat lid.
Preferred: the pedestal and base seat lid are circle；The base seat lid is double-layer structure, nonmagnetic steel material；It is described forever
Magnetic-disc is located in the interlayer of base seat lid；The permanent magnetic chuck number is even number and is evenly distributed on base seat lid outer rim；It is described forever
Magnetic-disc includes fixed part and movable part, is equipped with the first groove for placing fixed part, the adjacent fixation in the base seat lid
Its similar position magnetic pole is consistent with movable part in portion, and the movable part is connected on center ring by connecting rod, the center ring
It covers in central hole, rotating bar is fixed in the connecting rod, it is reciprocal for rotating bar that the pedestal exterior surface is equipped with rotation slot
It is mobile, drive connecting rod to drive the rotation of movable part to realize the closure or openness of permanent magnetic chuck by rotating bar.
Preferred: the rotating bar and connecting rod are hinged, and the pedestal cap upper surface is equipped with the second groove, will rotate
Bar is fixed in base seat lid.
Preferred: the adsorption section, fixed part, movable part are cambered design, and the pedestal and pedestal exterior surface are equipped with
Telltale mark, so that permanent magnetic chuck is aligned with adsorption section.
Preferred: the base seat lid outer rim and central hole are equipped with elastic seal ring..
The invention has the following advantages over the prior art:
1. pedestal and base seat lid are by control permanent magnetic chuck absorption one, numerous compared to bolt, screw, washer, rivet etc.
The assembly of tiny accessory so that the assembling process of entire actuator quickly, conveniently, greatly save assembly time cost and manually at
This.
2. compare existing welded connecting by permanent magnetic chuck fixed pedestal and base seat lid so that actuator in maintenance and
It is more convenient when maintenance, both saved cost of labor when installation, when also avoiding removing weldment consumed manpower and when
Between.
3. pedestal mechanical connection conventional compared with the magnetic connection mode of base seat lid and welding are stronger, and magnetic force is not
It can subside because of the time, in addition strong magnetic-adsorption cooperation sealing ring makes actuator be integrated with good leakproofness.
4. actuator main structure is simple, small in size, setting flexibly, output shaft both ends and latch hook, solve closing piece buckle and
Interference connection keeps actuator more quick in integral installation.
Detailed description of the invention
Fig. 1 is the whole disassemblying structure schematic diagram of actuator；
Fig. 2 is the actuator structure figure assembled；
Fig. 3 is actuator main structure chart；
Fig. 4 is the pedestal and base seat lid overall structure figure of embodiment 2；
Fig. 5 is 2 base seat lid schematic diagram of internal structure of embodiment；
Fig. 6 is Conventional permanent magnet sucker schematic diagram；
Fig. 7 is the permanent magnetic chuck magnetic circuit transfer principle figure of embodiment 2.
In figure: 1, primary transmission；11, primary transmission bar；12, level-one straight-tooth gear；2, secondary transmission；21, secondary transmission
Bar；22, second level straight-tooth gear；23, deuterostrophies bevel gear；3, three-level is driven；31, three-level spiral bevel gear；32, output shaft；
4, motor；5, pedestal；6, base seat lid；61, handle slot；62, the first groove；63, the second groove；64, rotation slot；65, centre bore；
7, latch hook；8, closing piece is solved；9, permanent magnetic chuck；91, adsorption section；92, center ring；93, fixed part；94, movable part；95, connecting rod；
96, rotating bar；97, telltale mark.
Specific embodiment
Structure and principle of the invention are illustrated now in conjunction with specific embodiment, so that those of ordinary skill in the art's energy
It enough fully understands and implements.
Embodiment 1
As shown in Figure 1 to Figure 3, the miniature solution lock actuator of the automobile of a kind of quick assembling provided by the invention, including execute
Device main body, pedestal 5, base seat lid 6；The cavity for accommodating actuator main body is equipped in the pedestal 5；The pedestal 5 and base seat lid 6 are
Rectangular, in order to improve connection effect, (the present embodiment is in an opposite side equipped with permanent magnetic chuck 9 for described at least one opposite side of base seat lid 6
Permanent magnetic chuck 9 has been filled respectively, where being preferably mounted at the center on side), the pedestal 5 is equipped with the suction cooperated with permanent magnetic chuck 9
Attached portion 91 realizes connecting or separating for pedestal 5 and base seat lid 6 by rotating the magnetic circuit of permanent magnetic chuck 9；The actuator main body
It is driven using three-level, wherein primary transmission 1 drives the linkage primary transmission bar of level-one straight-tooth gear 12 by 4 output gear of motor
11；Secondary transmission 2 is parallel with primary transmission 1, drives second level straight-tooth gear 22 to rotate by level-one straight-tooth gear 12, passes through second level
Drive rod 21 drives deuterostrophies bevel gear 23 to rotate；Three-level transmission 3 is vertical with secondary transmission 2, passes through deuterostrophies bevel gear
23 drive three-level spiral bevel gear 31 to rotate and then output shaft 32 are driven to rotate；32 first end of output shaft passes through base seat lid 6
Centre bore 65 fastened by snap and latch hook 7, second end passes through pedestal 5 and is interference fitted with the solution closing piece 8 for being connected with bracing wire
(solution closing piece 8 is pulled by bracing wire, and then output shaft 32 is driven to rotate, realizes manual unlocking).
The present embodiment actuator main body be driven using above-mentioned three-level, components simple shape used, quantity is few；It is logical
Cross be respectively set the angle of three-level transmission by the structure optimization of actuator main body (such as: primary transmission bar 11 and secondary transmission bar
21 are horizontally set on same plane, and output shaft 32 is set as and its plane vertical angle), keep actuator whole spatially more
It is compact, it is more suitable the demand of market development.
The present embodiment applies the fixture (permanent magnetic chuck) in the machinings field such as machinery plant, mould factory in the outer of this field
Portion's fit on, cooperation snaps connection and interference connection, keeps actuator whole more convenient rapidly in assembly.Especially pedestal 5
It is connect with the permanent magnetic chuck of base seat lid 6, compares existing mechanical connection manner, save numerous connectors (screw, bolt, pad
Circle etc.) handling time, will not occur damage parts or lose the case where；And the connection type of permanent magnetic chuck is being dismantled
Be even more when maintenance it is convenient, magnetic-adsorption will not because of the course of work vibration or overlong time and decay, connection effect
It is significantly improved.
Preferred: above-mentioned actuator further includes the handle for rotating permanent magnetic chuck, is additionally provided with placement handle in the base seat lid 6
Handle slot 61.By the setting of handle and handle slot 61, keep actuator integrally mating more perfect, in pedestal 5 and base seat lid 6
Assembly and disassembly when do not have to it is interim find handle, assemble and disassemble it is more convenient rapidly, save the time.
It is preferred: elastic seal ring to be equipped at 6 outer rim of base seat lid and centre bore 65, to improve actuator overall tightness.
Embodiment 2
The present embodiment optimizes on the basis of embodiment 1, mainly in the setting of the position of permanent magnetic chuck 9 and pedestal
5, optimize in the structure design of base seat lid 6, specific as follows:
Such as Fig. 4 (overall structure figure of the present embodiment, arrow is the half-sectional direction of base seat lid 6 in figure), Fig. 5 (the present embodiment
6 internal structure chart of base seat lid) shown in, the pedestal 5 and base seat lid 6 are circle；The base seat lid 6 is double-layer structure, no magnetic
Steel material；The permanent magnetic chuck 9 is located in the interlayer of base seat lid 6；9 numbers of the permanent magnetic chuck are 4 and are evenly distributed on base
6 outer rim of flap；The permanent magnetic chuck 9 includes fixed part 93 and movable part 94, is equipped in the base seat lid 6 and places fixed part 93
First groove 62, its similar position magnetic pole is consistent with movable part 94 for the adjacent fixed part 93, and the movable part 94 passes through
Connecting rod 95 is connected on center ring 92, and 92 sets of the center ring is fixed with rotation in the connecting rod 95 at centre bore 65
Bar 96,6 outer surface of base seat lid are equipped with rotation slot 64 and move back and forth for rotating bar 96, drive connecting rod 95 by rotating bar 96
And then the rotation of movable part 94 is driven to realize the closure or openness of permanent magnetic chuck 9.
Conventional permanent magnetic chuck working principle is as shown in fig. 6, change activity magnetic system state, makes working pole be respectively at magnetic
Field superposition generates opposing magnetic field, and the state that magnetic field is cancelled mainly passes through the movable part for rotating every single permanent magnetic chuck
94, change with the magnetic pole relative position of fixed part 93, with realize single permanent magnetic chuck 9 magnetic circuit switching (i.e. with adsorption section 91
Absorption disconnects), the embodiment of the present invention 1 is this conventional principles.And permanent magnetic chuck working principle such as Fig. 7 of the present embodiment
Shown, 4 permanent magnetic chuck movable parts 94 in base seat lid 6 are connected on center ring 92 by connecting rod 95, are rotated by rotation
Bar 96 drives connecting rod 95 to rotate counterclockwise 90 ° around center ring 92, makes four 94 unitary rotations of movable part, inhales each permanent magnetism
The movable part of disk is switched to adjacent movable part position, and then realizes the one switching of each permanent magnetic chuck magnetic circuit, base seat lid 6
Nonmagnetic steel material property can effectively remove influence (preferably high Mn austenitic steel) of the base seat lid to permanent magnetic chuck 9 in rotation process.
The magnetic circuit transfer principle key aspect of the present embodiment is: consistent, the adjacent work of its similar position magnetic pole of adjacent fixed part 93
Dynamic its similar position magnetic pole of portion 94 is also consistent；The number of permanent magnetic chuck is necessary for even number.It should be noted that above-mentioned work is former
Reason be based on for difference with the prior art of the present invention, for other normal conditions involved in the prior art (such as: permanent magnetism
Bulk properties, magnetic yoke etc.) it does not illustrate herein.
The present embodiment designs permanent magnetic chuck 9 inside base seat lid 6, and by its integration, structure deft design is saved
9 outside occupied space of permanent magnetic chuck, and then reduce actuator entirety occupied space；The design of rotating bar 96 has replaced embodiment 1
In handle, saved external component.Compared to embodiment 1, in practical operation, only need to rotate rotating bar 96 can be realized pedestal
The separation or absorption of lid 6 are greatly reduced the operating time, improve working efficiency without operating permanent magnetic chuck one by one.
Preferred: the rotating bar 96 is hinged with connecting rod 95, and 6 upper surface of base seat lid is equipped with the second groove 63, uses
Rotating bar 96 to be fixed in base seat lid 6.After end of operation, it is recessed that rotating bar 96 is placed on second after the rotation of hinged place
In slot 63, can effectively prevent working long hours the displacement that may cause.
Preferred: the adsorption section 91, fixed part 93, movable part 94 are cambered design, outside the pedestal 5 and base seat lid 6
Surface is equipped with telltale mark 97, so that permanent magnetic chuck 9 is aligned with adsorption section 91.Cambered design matches the circle of pedestal 5 and base seat lid 6
Shape shape is conducive to save space；And telltale mark 97 solves permanent magnetic chuck 9 inside base seat lid 6, because that can not visually observe
Caused by assemble inconvenient problem, improve assembly efficiency.
Above-described embodiment is only the preferred embodiment of the present invention, the limitation in any form not made to the present invention.
Anyone skilled in the art, when not departing from the technology of the present invention principle and aspects, all using above
Disclosed method makes many possible changes and modifications to technical solution of the present invention, or is revised as the equivalent reality of equivalent variations
Apply example.Therefore, all without departing from the principle of the present invention or scheme, according to the technical essence of the invention to technology disclosed by the invention
Any combination that feature is made, modifications or substitutions should belong to the protection scope of technical solution of the present invention.
Claims (6)
1. a kind of miniature solution lock actuator of the automobile of quick assembling, which is characterized in that including actuator main body, pedestal (5), pedestal
It covers (6)；The cavity for accommodating actuator main body is equipped in the pedestal (5)；The base seat lid (6) is equipped with several permanent magnetic chucks
(9), the pedestal (5) is equipped with the adsorption section (91) cooperated with permanent magnetic chuck (9), by rotating permanent magnetic chuck (9) Lai Shixian
Pedestal (5) is connected or separated with base seat lid (6)；The actuator main body is driven using three-level, and wherein primary transmission (1) passes through
Motor (4) output gear drives level-one straight-tooth gear (12) linkage primary transmission bar (11)；Secondary transmission (2) and primary transmission
(1) in parallel, second level straight-tooth gear (22) rotation is driven by level-one straight-tooth gear (12), drives two by secondary transmission bar (21)
Grade spiral bevel gear (23) rotates；Three-level transmission (3) is vertical with secondary transmission (2), passes through deuterostrophies bevel gear (23) and drives
Three-level spiral bevel gear (31) rotates and then drives output shaft (32) rotation；Output shaft (32) first end passes through base seat lid
(6) centre bore (65) is fastened by snap and latch hook (7), and second end passes through pedestal (5) and the solution closing piece for being connected with bracing wire
(8) it is interference fitted.
2. a kind of miniature solution lock actuator of the automobile of quick assembling as described in claim 1, which is characterized in that further include rotation
The handle of permanent magnetic chuck, the pedestal (5) and base seat lid (6) be it is rectangular, described at least one opposite side of base seat lid (6) be equipped with permanent magnetism
Sucker (9) is additionally provided with the handle slot (61) for placing handle on the base seat lid (6).
3. a kind of miniature solution lock actuator of the automobile of quick assembling as described in claim 1, which is characterized in that the pedestal
(5) and base seat lid (6) is circle；The base seat lid (6) is double-layer structure, nonmagnetic steel material；The permanent magnetic chuck (9) is located at base
In the interlayer of flap (6)；Permanent magnetic chuck (9) number is even number and is evenly distributed on base seat lid (6) outer rim；The permanent magnetism is inhaled
Disk (9) includes fixed part (93) and movable part (94), is equipped with the first groove for placing fixed part (93) in the base seat lid (6)
(62), the adjacent fixed part (93) is consistent with its similar position magnetic pole of movable part (94), and the movable part (94) passes through
Connecting rod (95) is connected on center ring (92), and the center ring (92) covers at centre bore (65), on the connecting rod (95)
It is fixed with rotating bar (96), base seat lid (6) outer surface is equipped with rotation slot (64) and moves back and forth for rotating bar (96), by turning
Lever (96) drives connecting rod (95) and then drives the rotation of movable part (94) to realize the closure or openness of permanent magnetic chuck (9).
4. a kind of miniature solution lock actuator of the automobile of quick assembling as claimed in claim 3, which is characterized in that the rotating bar
(96) hingedly with connecting rod (95), base seat lid (6) upper surface is equipped with the second groove (63), to rotating bar (96) are fixed
In base seat lid (6).
5. a kind of miniature solution lock actuator of the automobile of quick assembling as claimed in claim 3, which is characterized in that the adsorption section
(91), fixed part (93), movable part (94) are cambered design, and the pedestal (5) and base seat lid (6) outer surface are equipped with telltale mark
(97), so that permanent magnetic chuck (9) is aligned with adsorption section (91).
6. a kind of miniature solution lock actuator of the automobile of quick assembling as described in any one in claim 1-5, which is characterized in that institute
It states and is equipped with elastic seal ring at base seat lid (6) outer rim and centre bore (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910793287.0A CN110499972B (en) | 2019-08-26 | 2019-08-26 | Quick-assembly automobile miniature unlocking actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910793287.0A CN110499972B (en) | 2019-08-26 | 2019-08-26 | Quick-assembly automobile miniature unlocking actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110499972A true CN110499972A (en) | 2019-11-26 |
| CN110499972B CN110499972B (en) | 2020-11-10 |
Family
ID=68589724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910793287.0A Active CN110499972B (en) | 2019-08-26 | 2019-08-26 | Quick-assembly automobile miniature unlocking actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110499972B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107318A (en) * | 1994-02-28 | 1995-08-30 | 株式会社应用技术研究所 | Magnetic closure device |
| CN107476682A (en) * | 2017-09-22 | 2017-12-15 | 宁波依诺汽车电子有限公司 | A kind of automobile-used miniature automatic solution lock actuator that latches |
| CN109480636A (en) * | 2018-12-27 | 2019-03-19 | 珠海优特智厨科技有限公司 | Container, the fixing means of container and the cooking equipment with container |
| CN109662726A (en) * | 2019-02-14 | 2019-04-23 | 无锡市人民医院 | A kind of CT examination cabin to lie down convenient for the elderly |
| CN208808219U (en) * | 2017-12-20 | 2019-05-03 | 浙江苏泊尔股份有限公司 | A kind of headkerchief and pot cover |
-
2019
- 2019-08-26 CN CN201910793287.0A patent/CN110499972B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107318A (en) * | 1994-02-28 | 1995-08-30 | 株式会社应用技术研究所 | Magnetic closure device |
| CN107476682A (en) * | 2017-09-22 | 2017-12-15 | 宁波依诺汽车电子有限公司 | A kind of automobile-used miniature automatic solution lock actuator that latches |
| CN208808219U (en) * | 2017-12-20 | 2019-05-03 | 浙江苏泊尔股份有限公司 | A kind of headkerchief and pot cover |
| CN109480636A (en) * | 2018-12-27 | 2019-03-19 | 珠海优特智厨科技有限公司 | Container, the fixing means of container and the cooking equipment with container |
| CN109662726A (en) * | 2019-02-14 | 2019-04-23 | 无锡市人民医院 | A kind of CT examination cabin to lie down convenient for the elderly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110499972B (en) | 2020-11-10 |
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