CN108618689A - A kind of fast disassembly type lavatory lid and attachment device - Google Patents
A kind of fast disassembly type lavatory lid and attachment device Download PDFInfo
- Publication number
- CN108618689A CN108618689A CN201810777551.7A CN201810777551A CN108618689A CN 108618689 A CN108618689 A CN 108618689A CN 201810777551 A CN201810777551 A CN 201810777551A CN 108618689 A CN108618689 A CN 108618689A
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- shaft
- lavatory lid
- fulcrum
- upper cover
- 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
- 238000005191 phase separation Methods 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims description 23
- 230000013011 mating Effects 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/10—Devices for raising and lowering, e.g. tilting or lifting mechanisms; Collapsible or rotating seats or covers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Toilet Supplies (AREA)
Abstract
The invention discloses a kind of fast disassembly type lavatory lid and attachment device, it includes the rotary axis module being set on lavatory lid, the fulcrum being fixedly arranged in toilet seat body；Wherein, the lavatory lid is rotated around the rotary axis module, and the rotary axis module includes the shaft and sliding sleeve of coaxial connection, the sliding sleeve can the relatively described shaft be axially moveable and then plug cooperation or phase separation with the fulcrum；The present invention realizes the fast quick-detach of lavatory lid, and simple and reliable for structure, occupies little space using that axially can be attached the shaft of lavatory lid and the fulcrum of toilet seat body by movable sliding sleeve.
Description
Technical field
The present invention relates to a kind of fast disassembly type lavatory lid and attachment devices.
Background technology
The bindiny mechanism of existing fast disassembly type lavatory lid is equipped with blind hole typically in the shaft of lavatory lid rear end,
Toilet support is equipped with bolt, and bolt makes lavatory lid carry out longitudinal plugged and fixed with toilet support across blind hole.On the one hand, it is
Bolt is set securely to be connect with shaft, it usually needs button mechanism is set in shaft and locks bolt so that shaft size needs
It is made larger, lavatory lid can not be cooked thin；On the other hand, coordinate for axis pin at shaft so that the fit clearance at shaft causes
Lavatory lid sideshake, the stability of strong influence lavatory lid and safety.
Invention content
The present invention is to solve the above problems, provide a kind of fast disassembly type lavatory lid and attachment device, using axial grafting
Mode be attached lavatory lid and toilet support, and it is simple and reliable for structure, occupy little space.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of attachment device of fast disassembly type lavatory lid, including be set on lavatory lid (10) rotary axis module, be fixedly arranged on
Fulcrum (21) in toilet seat body (60)；Wherein, the lavatory lid (10) rotates around the rotary axis module, the shaft mould
Block includes the shaft (30) and sliding sleeve (40) of coaxial connection, the sliding sleeve (40) can the relatively described shaft (30) be axially moveable into
And plug cooperation or phase separation with the fulcrum (21).
Preferably, the sliding sleeve (40) is moved between first position and the second position, and the sliding sleeve (40) moves axially to
When the first position, the sliding sleeve (40) is mutually inserted with the fulcrum (21)；The sliding sleeve (40) moves axially to described
When the second position, the sliding sleeve (40) is separated with the fulcrum (21).
Preferably, further include the return springs (50) for making the sliding sleeve (40) axial reciprocating move；Also, described turn
Axis (30) axial limiting is connected to the sliding sleeve (40) and described turn in the lavatory lid (10), the return springs (50)
Between axis (30).
Preferably, the bottom end of the fulcrum (21) is fixed in the toilet seat body (60), the upper end of the fulcrum (21)
An inserting section coaxial with the rotary axis module is formed, the sliding sleeve (40) and the inserting section (22) of the fulcrum (21) are axially inserted
Connect cooperation.
Preferably, the shaft (30) further includes damper, and damper setting is in the close institute of the shaft (30)
The side of sliding sleeve (40) is stated, the damper includes the damping shell (32) and damping shaft (33) of rotation connection, the sliding sleeve
(40) damping shaft (33) of one end and the damper, which slides axially, is socketed cooperation；
Preferably, circumferentially limit connects with the damping shaft (33) for one end of the sliding sleeve (40), the sliding sleeve (40)
Circumferentially limit connects the other end with the fulcrum (21).
Preferably, the outer wall of the damping shaft (33) is equipped with the first guide part (31), and the inner cavity of the sliding sleeve (40) is equipped with
Second guide part (41) passes through first guide part (31) and described between the sliding sleeve (40) and the damping shaft (33)
Two guide parts (41) carry out circumferential limit connection and the socket cooperation that can slide axially；First guide part (31) is using guiding
Groove and the alternative one for being oriented to convex ribs, second guide part (41) are another using the two for being oriented to groove with being oriented to convex ribs
One.
In addition, the present invention also proposes a kind of fast disassembly type lavatory lid, including attachment device described in any one of the above embodiments, it is described
Lavatory lid (10) includes upper cover (11) and seat ring (13), and the rear end of the upper cover (11) is equipped with upper cover axle sleeve (12), the seat
The rear end for enclosing (13) is equipped with seat ring axle sleeve (14), and the upper cover axle sleeve (12) and the seat ring axle sleeve (14) are around the rotary axis module
Rotation.
Further, the both ends of the shaft (30) are located at the upper cover axle sleeve (12) and the seat ring axle sleeve (14)
It is interior to be supported to the upper cover (11) and the seat ring (13)；The sliding sleeve (40) is located at the upper cover axle sleeve (12) and institute
In the one of both for stating seat ring axle sleeve (14).
Further, the both ends of the sliding sleeve (40) are located at the upper cover axle sleeve (12) and the seat ring axle sleeve (14)
It is interior to be supported to the upper cover (11) and the seat ring (13)；Also, during the sliding sleeve (40) slides axially,
Both ends are located at always in the upper cover axle sleeve (12) and the seat ring axle sleeve (14).
The beneficial effects of the invention are as follows：
(1), the present invention, which uses, to be axially attached the shaft of lavatory lid and the fulcrum of toilet seat body by movable sliding sleeve,
It realizes the fast quick-detach of lavatory lid, and simple and reliable for structure, occupies little space；
(2), the upper end of fulcrum of the invention forms an inserting section coaxial with the rotary axis module, the sliding sleeve with it is described
The inserting section of fulcrum is axially mating, simple and compact for structure；
(3), shaft of the invention further includes damper, and sliding sleeve is directly slidably matched with the damping shaft of damper guiding, ties
Structure is more compact, and function is more reliable.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and constitutes the part of the present invention, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the assembling dimensional structure diagram of the attachment device and toilet support of the fast disassembly type lavatory lid of the present invention
(assembled state)；
Fig. 2 is the attachment device of the fast disassembly type lavatory lid of the present invention and the disassembly process schematic diagram (dismounting of toilet support
One of state)；
Fig. 3 is the attachment device of the fast disassembly type lavatory lid of the present invention and the disassembly process schematic diagram (dismounting of toilet support
The two of state)；
Fig. 4 is the decomposition texture schematic diagram of the attachment device of the fast disassembly type lavatory lid of the present invention；
Fig. 5 is the dimensional structure diagram of the rotary axis module of the attachment device of the fast disassembly type lavatory lid of the present invention；
Fig. 6 is the dimensional structure diagram of the sliding sleeve of the attachment device of the fast disassembly type lavatory lid of the present invention；
Fig. 7 is the attachment device of the fast disassembly type lavatory lid of the present invention and assembling view (the bearing work of toilet support
State)；
Fig. 8 is the enlarged partial sectional view of Fig. 7；
Fig. 9 is the attachment device of the fast disassembly type lavatory lid of the present invention and assembling view (the bearing dismounting of toilet support
State)；
Figure 10 is the enlarged partial sectional view of Fig. 9；
In figure：
10- lavatory lid；11- upper covers；12- upper cover axle sleeves；13- seat rings；14- seat ring axle sleeves；
20- toilet supports；21- fulcrums；22- grafting axis；The second rotation prevention portions of 23-；
30- rotary axis modules (damper)；The first guide parts of 31-；32- damps shell；33- damping shafts；34- third rotation stops
Portion；
40- sliding sleeves；The second guide parts of 41-；The first rotation prevention portions of 42-；
50- return springs；
60- toilet seat bodies.
Specific implementation mode
In order to keep technical problems, technical solutions and advantages to be solved clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 4, a kind of attachment device of fast disassembly type lavatory lid of the present invention comprising be set on lavatory lid 10
Rotary axis module, the fulcrum 21 that is fixedly arranged in toilet seat body 60；Wherein, the lavatory lid 10 turns around the rotary axis module
Dynamic, the rotary axis module includes the shaft 30 and sliding sleeve 40 of coaxial connection, and the sliding sleeve 40 can the shaft 30 be in an axial direction relatively
It is mobile to plug cooperation or phase separation with the fulcrum 21 in turn.As shown in Fig. 2, when needing to dismantle lavatory lid 10, to the left
Right both sides push the sliding sleeve 40 respectively so that sliding sleeve 40 slides axially to both sides and is separated with the fulcrum 21；Such as Fig. 3 institutes
Show, after sliding sleeve 40 is detached with fulcrum 21, the lavatory lid 10 can be disassembled together with rotary axis module.
For lavatory lid 10：
As shown in Figure 1,2,3, 4, the invention also provides a kind of fast disassembly type lavatory lid, the lavatory lid 10 includes upper
The rear end of lid 11 and seat ring 13, the upper cover 11 is equipped with upper cover axle sleeve 12, and the rear end of the seat ring 13 is equipped with seat ring axle sleeve 14, institute
It states upper cover axle sleeve 12 and the seat ring axle sleeve 14 to rotate around the rotary axis module, the lavatory lid 10 is carried out by the shaft 30
Support is either supported by the sliding sleeve 40 or is supported jointly by the shaft 30 and the sliding sleeve 40.Such as：Described turn
The both ends of axis 30 are located in the upper cover axle sleeve 12 and the seat ring axle sleeve 14 with to the upper cover 11 and the seat ring 13
It is supported, the sliding sleeve 40 is located in the one of both of the upper cover axle sleeve 12 and the seat ring axle sleeve 14；Alternatively, the cunning
The both ends of set 40 are located in the upper cover axle sleeve 12 and the seat ring axle sleeve 14 with to the upper cover 11 and the seat ring 13
It is supported；Also, during the sliding sleeve 40 slides axially, both ends are located at the upper cover axle sleeve 12 and institute always
It states in seat ring axle sleeve 14.
For rotary axis module 30：
The shaft 30 can be without slow drop function, for example, the shaft 30 only includes a pivot；The present embodiment
In, the shaft 30 is that have the function of slow drop, as shown in figure 5, in the present embodiment, the shaft 30 further includes damper, and
The damper is arranged in the shaft 30 close to the side of the sliding sleeve 40, and the damper includes the damping of rotation connection
The damping shaft 33 of shell 32 and damping shaft 33, one end of the sliding sleeve 40 and the damper, which slides axially, is socketed cooperation.
For sliding sleeve 40：
As shown in fig. 6, the sliding sleeve 40 is both ends communicating structure；One end of the sliding sleeve 40 is circumferential with the damping shaft 33
Limit connection, the other end of the sliding sleeve 40 are connected with the circumferential limit of the fulcrum 21；The inner cavity of the sliding sleeve 40 is equipped with first
The outer wall of rotation prevention portion 42, the damping shaft 33 is equipped with the second rotation prevention portion 23, and the outer wall of the fulcrum 21 is equipped with third rotation prevention portion 34,
Circumferential limit is carried out by first rotation prevention portion 42 and second rotation prevention portion 23 between the sliding sleeve 40 and the damping shaft 33
Position connection limits between the sliding sleeve 40 and the fulcrum 21 by the way that first rotation prevention portion 42 and the third rotation prevention portion 34 are circumferential
Position connection.
The outer wall of the damping shaft 33 is equipped with the first guide part 31, and the inner cavity of the sliding sleeve 40 is equipped with the second guide part 41,
Circumferential limit is carried out by first guide part 31 and second guide part 41 between the sliding sleeve 40 and the damping shaft 33
Position connects and the socket cooperation that can slide axially；First guide part 31 using be oriented to groove and be oriented to convex ribs the two it
One, second guide part 41 is another using the two for being oriented to groove and guiding convex ribs.
Further include the return springs 50 for making 40 axial reciprocating of the sliding sleeve move；Also, the axial limit of the shaft 30
Positioned at the lavatory lid 10, the return springs 50 are connected between the sliding sleeve 40 and the shaft 30.
For fulcrum 21：
As shown in Fig. 4,8,10, in the present embodiment, the bottom end of the fulcrum 21 is fixed in toilet seat body 60, fulcrum 21
Upper end forms an inserting section 22 coaxial with the rotary axis module, and the sliding sleeve 40 and the inserting section 22 of the fulcrum 21 are axial slotting
Connect cooperation.Preferably, there is limited step, the inserting section 22 to be integrally formed with the fulcrum 21 on the grafting axis 22.And
And the fulcrum 21 is fixed on toilet support 20, the toilet support 20 passes through bolt group to be fixed with toilet seat body 60
Connection.
As shown in Figure 7 and Figure 8, in the present embodiment, the sliding sleeve 40 moves between first position and the second position, the cunning
When set 40 moves axially to the first position, the sliding sleeve 40 is mutually inserted with the fulcrum；The sliding sleeve 40 moves axially
When to the second position, the sliding sleeve 40 is separated with fulcrum 21.
The course of work of the attachment device of the present embodiment is summarized as follows：
As shown in Figure 9 and Figure 10,10 when dismantling lavatory lid, both sides push the sliding sleeve 40 respectively to the left and right so that sliding
Set 40 slides axially to both sides, and when the sliding sleeve 40 moves axially to second restraining position, one end of the sliding sleeve 40 is protected
It holds to be socketed with the shaft 30 and coordinate, the other end is separated with the fulcrum 21；After sliding sleeve 40 is detached with fulcrum 21, the closestool
Cover board 10 can be disassembled together with rotary axis module 30 and sliding sleeve 40.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight
Point explanation is all difference from other examples, and the same or similar parts between the embodiments can be referred to each other.
For embodiment of the method, since it is substantially similar to system embodiment, so description is fairly simple, related place referring to
The part of system embodiment illustrates.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations, modification and
Environment, and can be changed by the above teachings or related fields of technology or knowledge in the scope of the invention is set forth herein
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of the claims.
Claims (10)
1. a kind of attachment device of fast disassembly type lavatory lid, which is characterized in that including the shaft mould being set on lavatory lid (10)
Block, the fulcrum (21) being fixedly arranged in toilet seat body (60)；Wherein, the lavatory lid (10) rotates around the rotary axis module,
The rotary axis module includes the shaft (30) and sliding sleeve (40) of coaxial connection, and the sliding sleeve (40) can relatively described shaft (30) edge
Axial movement plugs cooperation or phase separation with the fulcrum (21) in turn.
2. attachment device according to claim 1, it is characterised in that：The sliding sleeve (40) is in first position and the second position
Between move, when the sliding sleeve (40) moves axially to the first position, the sliding sleeve (40) and the fulcrum (21) phase interfix
It connects；When the sliding sleeve (40) moves axially to the second position, the sliding sleeve (40) is separated with the fulcrum (21).
3. attachment device according to claim 1, it is characterised in that：Further include one make the sliding sleeve (40) axial reciprocating move
Dynamic return springs (50)；Also, shaft (30) axial limiting is in the lavatory lid (10), the return springs
(50) it is connected between the sliding sleeve (40) and the shaft (30).
4. attachment device according to claim 1, it is characterised in that：The bottom end of the fulcrum (21) is fixed on the closestool
On pedestal (60), the upper end of the fulcrum (21) forms an inserting section coaxial with the rotary axis module, the sliding sleeve (40) and
The inserting section (22) of the fulcrum (21) is axial mating.
5. attachment device according to any one of claims 1 to 4, it is characterised in that：The shaft (30) further includes damping
Device, and damper setting, in the side of the close sliding sleeve (40) of the shaft (30), the damper includes that rotation connects
The damping shell (32) and damping shaft (33) connect, one end of the sliding sleeve (40) are axially sliding with the damping shaft (33) of the damper
Dynamic socket cooperation.
6. attachment device according to claim 5, it is characterised in that：One end of the sliding sleeve (40) and the damping shaft
(33) circumferential limit connection, circumferentially limit connects for the other end and the fulcrum (21) of the sliding sleeve (40).
7. attachment device according to claim 5, it is characterised in that：The outer wall of the damping shaft (33) is equipped with first and is oriented to
The inner cavity in portion (31), the sliding sleeve (40) is equipped with the second guide part (41), between the sliding sleeve (40) and the damping shaft (33)
Circumferential limit connection and the socket that can slide axially are carried out by first guide part (31) and second guide part (41)
Cooperation；First guide part (31) using being oriented to groove and being oriented to the alternative one of convex ribs, adopt by second guide part (41)
Be oriented to groove and be oriented to convex ribs the two it is another.
8. a kind of fast disassembly type lavatory lid, it is characterised in that：It is described including claim 1 to 7 any one of them attachment device
Lavatory lid (10) includes upper cover (11) and seat ring (13), and the rear end of the upper cover (11) is equipped with upper cover axle sleeve (12), the seat
The rear end for enclosing (13) is equipped with seat ring axle sleeve (14), and the upper cover axle sleeve (12) and the seat ring axle sleeve (14) are around the rotary axis module
Rotation.
9. a kind of fast disassembly type lavatory lid according to claim 8, which is characterized in that distinguish at the both ends of the shaft (30)
To prop up the upper cover (11) and the seat ring (13) in the upper cover axle sleeve (12) and the seat ring axle sleeve (14)
Support；The sliding sleeve (40) is located in the one of both of the upper cover axle sleeve (12) and the seat ring axle sleeve (14).
10. a kind of fast disassembly type lavatory lid according to claim 8, which is characterized in that the both ends of the sliding sleeve (40) point
It Wei Yu not be in the upper cover axle sleeve (12) and the seat ring axle sleeve (14) to be carried out to the upper cover (11) and the seat ring (13)
Support；Also, during the sliding sleeve (40) slides axially, both ends are located at the upper cover axle sleeve (12) and institute always
It states in seat ring axle sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777551.7A CN108618689B (en) | 2018-07-16 | 2018-07-16 | Quick detach formula closestool apron and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777551.7A CN108618689B (en) | 2018-07-16 | 2018-07-16 | Quick detach formula closestool apron and connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108618689A true CN108618689A (en) | 2018-10-09 |
| CN108618689B CN108618689B (en) | 2023-11-28 |
Family
ID=63689818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810777551.7A Active CN108618689B (en) | 2018-07-16 | 2018-07-16 | Quick detach formula closestool apron and connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108618689B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100815370B1 (en) * | 2007-03-30 | 2008-03-19 | 삼성전기주식회사 | The slide cover device for toilet bowl |
| CN201213769Y (en) * | 2008-06-20 | 2009-04-01 | 彭东 | Slowly-falling closet cover-plate mounting structure |
| CN204743986U (en) * | 2015-06-08 | 2015-11-11 | 洪玲玲 | Closed closestool of apron portable |
| CN106031604A (en) * | 2015-03-10 | 2016-10-19 | 厦门优胜卫厨科技有限公司 | Toilet lid, and methods for dismounting and installing upper cover assembly of same |
| CN206979432U (en) * | 2017-01-16 | 2018-02-09 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of easy lavatory lid dismounts support soon |
| CN209346864U (en) * | 2018-07-16 | 2019-09-06 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of fast disassembly type lavatory lid and attachment device |
| CN110664549A (en) * | 2019-09-29 | 2020-01-10 | 王永祥 | Slide rail formula severe patient transports bed system |
| CN110812007A (en) * | 2019-09-29 | 2020-02-21 | 王永祥 | Four-wheel support type connecting frame device for severe patient transfer bed |
-
2018
- 2018-07-16 CN CN201810777551.7A patent/CN108618689B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100815370B1 (en) * | 2007-03-30 | 2008-03-19 | 삼성전기주식회사 | The slide cover device for toilet bowl |
| CN201213769Y (en) * | 2008-06-20 | 2009-04-01 | 彭东 | Slowly-falling closet cover-plate mounting structure |
| CN106031604A (en) * | 2015-03-10 | 2016-10-19 | 厦门优胜卫厨科技有限公司 | Toilet lid, and methods for dismounting and installing upper cover assembly of same |
| CN204743986U (en) * | 2015-06-08 | 2015-11-11 | 洪玲玲 | Closed closestool of apron portable |
| CN206979432U (en) * | 2017-01-16 | 2018-02-09 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of easy lavatory lid dismounts support soon |
| CN209346864U (en) * | 2018-07-16 | 2019-09-06 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of fast disassembly type lavatory lid and attachment device |
| CN110664549A (en) * | 2019-09-29 | 2020-01-10 | 王永祥 | Slide rail formula severe patient transports bed system |
| CN110812007A (en) * | 2019-09-29 | 2020-02-21 | 王永祥 | Four-wheel support type connecting frame device for severe patient transfer bed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108618689B (en) | 2023-11-28 |
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