CN209270222U - A kind of connection structure for dentistry chair back - Google Patents
A kind of connection structure for dentistry chair back Download PDFInfo
- Publication number
- CN209270222U CN209270222U CN201821775495.5U CN201821775495U CN209270222U CN 209270222 U CN209270222 U CN 209270222U CN 201821775495 U CN201821775495 U CN 201821775495U CN 209270222 U CN209270222 U CN 209270222U
- Authority
- CN
- China
- Prior art keywords
- backrest
- support plate
- seat support
- connection structure
- pull rod
- 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.)
- Expired - Fee Related
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- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The utility model relates to dental chair technical fields, more particularly to a kind of connection structure for dentistry chair back, including seat support plate, fixed plate, backrest and compensation mechanism, it is rotatablely connected by the mounting portion above advance expenditure fagging of being present with rotating bar, backrest is fixed in rotating bar, for the position of connection structure rotation point is located at below seat support plate compared to conventional rotary point, the rotation point of backrest is increased, shorten rotation point at a distance from human body waist rotation point, to reduce chopping sense, in addition when backrest rotates, seat support plate does compensation campaign by compensation mechanism, backrest increases, mounting plate rotates down, increase the angle of mounting plate and backrest, constriction when smaller patient is pushed away by back, it sleeps more comfortable above, it will not generate uncomfortable, it can feel at ease to treat.
Description
[technical field]
The utility model relates to dental chair technical fields, and in particular to a kind of connection structure for dentistry chair back.
[background technique]
In use, the angle between backrest and seat cushion is adjustable for dental chair, to meet the needs that doctor sees tooth；
There is connector interconnected between backrest and seat cushion, has rotation point, backrest and seat cushion in connector to rotate and a little click through for branch
Row rotation, the rotation point of traditional backrest are located at the lower section of seat cushion installation, have the disadvantage in that 1. rotation points and human body waist rotate
Apart from larger, backrest has the feeling of chopping when rotating, and when 2. backrests rotate, the mounting plate on seat cushion can do front and back compensation fortune
It is dynamic, it drives seat cushion with respect to human motion, the patient feels can be made to be pullled, in patient's treatment, other bodies can be brought to patient
On discomfort, treat patient from feeling at ease, influence therapeutic effect, to sum up the problem of, it is desirable to provide one kind can make backrest and seat
A kind of uncomfortable connection structure will not be brought to human body when pad rotation.
[summary of the invention]
The purpose of this utility model is to provide a kind of comfort height, chopping sense is small and can play rotation during rotation
Turn the connection structure of compensating action.
To achieve the above object, a kind of connection structure for dentistry chair back of the utility model, including seat support
One end of plate, fixed plate, backrest and compensation mechanism, wherein one end of the fixed plate and the seat support plate is rotatablely connected,
The other end is connected by compensation mechanism and the other end of fixed plate, and the compensation mechanism includes rotating bar, the first pull rod, the second drawing
Bar and third pull rod, the rotating bar both ends are equipped with connecting rod, and the seat support plate is equipped with the mounting portion to raise upward, institute
It states rotating bar to be rotatablely connected by connecting rod and mounting portion, the backrest is fixed in rotating bar, one end of first pull rod
It is rotatably connected in connecting rod, the other end is connect with one end of the second pull rod, and the other end of second pull rod is rotatably connected on
On seat support plate, one end of the third pull rod and the second pull rod are rotatablely connected, and the other end is rotatably connected in fixed plate.
Further, crossbeam is additionally provided on the seat support plate, the both ends of the crossbeam are separately fixed at two block pads
In support plate.
Further, the backrest includes curved portion and flat part, and one end of the curved portion is fixed in rotating bar, separately
One end is fixedly connected with flat part.
Further, the crossbeam is equipped with several mounting holes, and the mounting hole is located at seat support plate for fixed
The seat cushion of side.
The contribution of the utility model is to provide a kind of connection structure for dentistry chair back, passes through present advance expenditure fagging
The mounting portion and rotating bar of top are rotatablely connected, and backrest is fixed in rotating bar, and the position of connection structure rotation point is compared to tradition
Rotation point increases the rotation point of backrest for being located at below seat support plate, shortens rotation point with human body waist and rotates point
Distance, to reduce chopping sense, when in addition backrest rotates, seat support plate does compensation campaign, backrest liter by compensation mechanism
Height, mounting plate rotate down, increase the angle of mounting plate and backrest, and constriction when smaller patient is pushed away by back is slept upper
Face is more comfortable, will not generate uncomfortable, can feel at ease to treat.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the utility model partial structural diagram.
Fig. 3 is another partial structural diagram of the utility model.
[specific embodiment]
The following example is being explained further and supplementing to the utility model, does not constitute any limit to the utility model
System.
Embodiment 1
As shown in Figure 1-3, a kind of connection structure for dentistry chair back of the present embodiment, including seat support plate 10,
One end of fixed plate 20, backrest 30 and compensation mechanism 40, wherein one end of the fixed plate 20 and the seat support plate 10 turns
Dynamic connection, the other end are connect by compensation mechanism 40 with the other end of fixed plate 20, and the compensation mechanism 40 includes rotating bar
41, the first pull rod 43, the second pull rod 44 and third pull rod 45,41 both ends of rotating bar are equipped with connecting rod 42, the seat cushion branch
Fagging 10 is equipped with the mounting portion 11 to raise upward, and the rotating bar 41 is rotatablely connected by connecting rod 42 and mounting portion 11, institute
It states backrest 30 to be fixed in rotating bar 41, one end of first pull rod 43 is rotatably connected in connecting rod 42, the other end and
One end of two pull rods 44 connects, and the other end of second pull rod 44 is rotatably connected on seat support plate 10, and the third is drawn
One end of bar 45 and the second pull rod 44 are rotatablely connected, and the other end is rotatably connected in fixed plate 20.
It is rotatablely connected by the mounting portion 11 and rotating bar 41 for 10 top of advance expenditure fagging of being present, backrest 30 is fixed on rotating bar
On 41, backrest 30 is rotated using the tie point of connecting rod 42 and mounting portion 11 as fulcrum relative to seat support plate 10, so that backrest 30
Angle between seat support plate 10 changes, and the position of connection structure rotation point is located at seat support compared to conventional rotary point
For 10 lower section of plate, the rotation point of backrest 30 is increased, shortens rotation point at a distance from human body waist rotation point, to reduce
Chopping sense, when in addition backrest 30 rotates, seat support plate 10 does compensation campaign by compensation mechanism 40, and backrest 30 increases, seat cushion
Support plate 10 rotates down, increases the angle of seat support plate 10 and backrest 30, reduces pressure when small patient is above pushed away by backrest 30
Compel sense, sleep more comfortable above, will not generate uncomfortable, can feel at ease to treat.
Embodiment 2
As shown in Figure 1, a kind of connection structure for dentistry chair back of the present embodiment, in dental chair seat of honour advance expenditure fagging
10 be two pieces of left and right, in order to enhance the stability of entire seat support plate 10, is additionally provided with crossbeam 12 on the seat support plate 10,
The both ends of the crossbeam 12 are separately fixed on two block advance expenditure faggings 10, can be effectively by two pieces of the seat support plate in left and right
10 is fixed, and seat cushion can be laid in the fixation for facilitating seat cushion above again while enhancing stability.
Embodiment 3
As shown in Figure 1, a kind of connection structure for dentistry chair back of the present embodiment, in order to increase the comfortable of human body
Degree, reduces the chopping sense generated by the differences in angle human body adjusted between backrest 30 and seat support plate 10, and the backrest 30 includes
One end of curved portion 32 and flat part 31, the curved portion 32 is fixed in rotating bar 41, the other end and the fixed company of flat part 31
It connects, when backrest 30 moves downward, the curved portion 32 of backrest 10 is hidden in the lower section of seat cushion, and curved portion 32 meets human body waist knot
Structure increases comfort level.
Embodiment 4
As shown in Figure 1, a kind of connection structure for dentistry chair back of the present embodiment, the crossbeam 12 is equipped with several
Mounting hole 13, the mounting hole 13 are for the fixed seat cushion for being located at 10 top of seat support plate, structure design main purpose
In order to fix seat cushion, enables seat cushion stable and connect with seat support plate 10.
Although being disclosed by above embodiments to the utility model, the protection scope of the utility model not office
It is limited to this, under conditions of conceiving without departing from the utility model, deformation, the replacement etc. done to above each component will fall into this
In the scope of the claims of utility model.
Claims (4)
1. a kind of connection structure for dentistry chair back, it is characterised in that: including seat support plate (10), fixed plate (20),
One end of backrest (30) and compensation mechanism (40), wherein one end of the fixed plate (20) and the seat support plate (10) rotates
Connection, the other end are connect by compensation mechanism (40) with the other end of fixed plate (20), and the compensation mechanism (40) includes rotation
Bar (41), the first pull rod (43), the second pull rod (44) and third pull rod (45), rotating bar (41) both ends are equipped with connecting rod
(42), the seat support plate (10) is equipped with the mounting portion (11) to raise upward, and the rotating bar (41) passes through connecting rod
(42) it being rotatablely connected with mounting portion (11), the backrest (30) is fixed on rotating bar (41), and the one of first pull rod (43)
End be rotatably connected on connecting rod (42), the other end is connect with the one end of the second pull rod (44), second pull rod (44) it is another
One end is rotatably connected on seat support plate (10), and one end and the second pull rod (44) of the third pull rod (45) are rotatablely connected,
The other end is rotatably connected on fixed plate (20).
2. a kind of connection structure for dentistry chair back as described in claim 1, it is characterised in that: the seat support plate
(10) it is additionally provided on crossbeam (12), the both ends of the crossbeam (12) are separately fixed on two block advance expenditure faggings (10).
3. a kind of connection structure for dentistry chair back as described in claim 1, it is characterised in that: backrest (30) packet
One end of bracket portion (32) and flat part (31), the curved portion (32) is fixed on rotating bar (41), the other end and plate
Portion (31) is fixedly connected.
4. a kind of connection structure for dentistry chair back as claimed in claim 2, it is characterised in that: on the crossbeam (12)
Equipped with several mounting holes (13), the mounting hole (13) is for the fixed seat cushion being located above seat support plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775495.5U CN209270222U (en) | 2018-10-30 | 2018-10-30 | A kind of connection structure for dentistry chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775495.5U CN209270222U (en) | 2018-10-30 | 2018-10-30 | A kind of connection structure for dentistry chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209270222U true CN209270222U (en) | 2019-08-20 |
Family
ID=67599744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821775495.5U Expired - Fee Related CN209270222U (en) | 2018-10-30 | 2018-10-30 | A kind of connection structure for dentistry chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209270222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276402A (en) * | 2018-10-30 | 2019-01-29 | 佛山市新格医疗器材有限公司 | A kind of connection structure for dentistry chair back |
-
2018
- 2018-10-30 CN CN201821775495.5U patent/CN209270222U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276402A (en) * | 2018-10-30 | 2019-01-29 | 佛山市新格医疗器材有限公司 | A kind of connection structure for dentistry chair back |
| CN109276402B (en) * | 2018-10-30 | 2024-05-24 | 佛山市新格医疗器材有限公司 | Connection structure for dental chair backrest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |