CN209790303U - folding telescopic device and treatment chair - Google Patents
folding telescopic device and treatment chair Download PDFInfo
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- CN209790303U CN209790303U CN201920030861.2U CN201920030861U CN209790303U CN 209790303 U CN209790303 U CN 209790303U CN 201920030861 U CN201920030861 U CN 201920030861U CN 209790303 U CN209790303 U CN 209790303U
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- seat cushion
- backrest
- swing
- telescopic
- push rod
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Abstract
The utility model provides a folding telescoping device and treatment chair relates to the technical field of treatment chair. The folding telescopic device comprises: the device comprises a seat cushion frame, a base, a shank support, a telescopic fixing plate and a driving device; the seat cushion frame is rotationally connected with the shank support; the driving device is arranged on the base; the driving device can drive the crus support to rotate relative to the seat cushion frame, and the driving device can drive the telescopic fixing plate to slide along the surface of the crus support. The technical problem that the leg part cannot be bent in the prior art is solved.
Description
Technical Field
The utility model belongs to the technical field of treatment chair technique and specifically relates to a folding telescoping device and treatment chair are related to.
Background
With the rapid development of science and technology, more and more intelligent systems and equipment are applied to oral medical treatment, and powerful guarantee is provided for patients with oral problems. In the prior art, the dental comprehensive treatment chair is widely applied to clinical oral medical treatment, and the advantages of multifunction, intellectualization and the like are accepted by a large number of oral patients and dentists. The dental comprehensive treatment chair utilizes a motor to push a chair back to adjust the height of a backrest, the chair back is connected with a chair seat through a connecting rod, and the lying angle of the chair seat is adjusted through the connecting rod. The existing scheme has the defects that the seat can not be folded, so that the lower legs of a client can not be bent, and the comfort level of the client is further influenced, but the seat can not meet the requirements of some special groups such as disabled legs and feet which can not be straightened or the old who is difficult to straighten, the lower legs can not be bent naturally, discomfort can be caused for a long time, and the experience of the client is poor. The feet of tall people can be suspended, so that the client does not feel dependent and the client experience is influenced.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a folding telescoping device has alleviated the technical problem that the shank can not crooked among the prior art.
Based on the first purpose, the utility model provides a folding and stretching device,
the method comprises the following steps: the device comprises a seat cushion frame, a base, a shank support, a telescopic fixing plate and a driving device;
The seat cushion frame is rotationally connected with the shank support;
the driving device is respectively connected with the backrest fixing piece and the cushion frame in a rotating way;
The driving device can drive the crus support to rotate relative to the seat cushion frame, and the driving device can drive the telescopic fixing plate to slide along the surface of the crus support.
as a further technical solution, it is proposed that,
The driving device includes: the backrest comprises a backrest fixing piece, a seat cushion swing piece, a triangular swing block, a driving mechanism, a shank swing piece, a telescopic fixed plate push rod, a crank swing piece, a telescopic push rod, a backrest push rod and a seat cushion frame;
the backrest fixing piece is rotatably connected with the base;
The backrest fixing piece is respectively and rotatably connected with one end of the backrest push rod and one end of the driving mechanism, and the other end of the driving mechanism is rotatably connected with the seat cushion frame;
The two ends of the seat cushion swing part are respectively and rotatably connected with the base and the seat cushion frame;
One end of the triangular swing block is rotatably connected with the seat cushion frame, and the other end of the triangular swing block is respectively rotatably connected with the backrest push rod and the shank swing part;
The shank swinging piece is respectively and rotatably connected with the shank bracket and the triangular swinging block;
the telescopic push rod, the triangular swing block, the crank swing part and the telescopic plate push rod are sequentially connected in a rotating mode.
as a further technical scheme, a sliding block is arranged on the lower leg support, a slide way is arranged in the sliding block, and the telescopic fixing plate can slide in the slide way.
As a further technical scheme, the driving mechanism comprises an air cylinder, and two ends of the air cylinder are respectively and rotatably connected with the backrest fixing part and the seat cushion frame.
as a further technical scheme, the backrest fixing piece is respectively connected with the base, the driving mechanism and the backrest push rod in a matched mode through shafts.
As a further technical scheme, the seat cushion swing part, the triangular swing block and the backrest fixing part are respectively connected with the base in a matched manner through shafts;
the seat cushion swing part and the triangular swing block are also matched and connected with the seat cushion frame through a shaft;
the other end of the driving mechanism is matched and connected with the seat cushion frame by a shaft.
as a further technical scheme, the shank swing part is connected with the triangular swing block and the shank bracket in a matched mode through shafts.
As further technical scheme, the slider is fixed on shank support, flexible fixed plate is connected as further technical scheme with slider and flexible fixed plate push rod axle cooperation respectively, and the crank goods of furniture for display rather than for use is connected through the axle cooperation with flexible fixed plate push rod, flexible push rod and shank support respectively, and flexible fixed plate push rod passes through the cooperation with flexible fixed plate and is connected.
A second object of the present invention is to provide a therapeutic chair, which solves the technical problem of the prior art that the leg cannot be bent.
Based on the second purpose, the utility model provides a treatment chair, which comprises a backrest bending plate and the folding telescopic device;
The backrest bent plate is fixedly connected with the backrest fixing rod.
the utility model discloses the beneficial effect who brings does:
The utility model provides a folding telescoping device, include: the device comprises a seat cushion frame, a base, a shank support, a telescopic fixing plate and a driving device; the seat cushion frame is rotationally connected with the shank bracket; the driving device is respectively connected with the backrest fixing piece and the cushion frame in a rotating way; the driving device can drive the shank support to rotate relative to the seat cushion frame, and the driving device can drive the telescopic fixing plate to slide along the surface of the shank support. Through the rotation of drive arrangement drive shank support and the slip of flexible fixed plate, make folding telescoping device can adapt to the customer group of different demands, stretch like the leg and foot disabled is inconvenient, or the old man stretches the crowd of difficulty and can utilize the utility model discloses folding effect adapts to customer's needs. The sitting posture can be adjusted according to the requirements of customers. When the client lies flat and the individual can utilize than higher the utility model discloses a telescoping device lets client's foot not have the suspension and does not rely on the sense.
in addition, the utility model also provides a treatment chair, including the back bent plate with the utility model discloses arbitrary technical scheme folding telescoping device. The structure, the working principle and the beneficial effects of the folding telescopic device are explained in detail in the beneficial effects of the folding telescopic device, and are not described in detail herein. The above therapeutic chair is the same as the folding telescopic device provided by the utility model has the advantages over the prior art, and is not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
fig. 1 is a first schematic structural diagram of a folding and telescoping device according to an embodiment of the present invention;
Fig. 2 is a schematic view of a second structure of the folding and telescoping device according to an embodiment of the present invention;
fig. 3 is a third schematic structural view of the folding telescopic device provided in the embodiment of the present invention.
Icon: 1-backrest bending plate; 2-a base; 3-backrest fixing part; 4-a seat cushion swing part; 5-triangular swinging blocks; 6-a drive mechanism; 7-calf swing; 8-shank support; 9-a telescopic fixing plate; 10-a slide block; 11-a push rod of a telescopic fixed plate; 12-crank rocker; 13-a telescopic push rod; 14-backrest push bar; 15-seat cushion frame.
Detailed Description
the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
in the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for convenience of description.
The description is intended to be illustrative and simplified and does not indicate or imply that the referenced device or element must be in a particular orientation, constructed or operated in a particular orientation, and thus should not be taken as limiting the invention. Furthermore, the terms "first," "second," and the like, as may be used herein, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a folding telescoping device and treatment chair, it is right below to give a plurality of embodiments the utility model provides a folding telescoping device and treatment chair carry out detailed description.
Example one
As shown in fig. 1-3, a first foldable and retractable device provided in the embodiment of the present invention comprises: a seat cushion frame 15, a base 2, a shank support 8, a telescopic fixing plate 9 and a driving device; the seat cushion frame is rotationally connected with the shank bracket; the driving device is respectively connected with the backrest fixing piece and the cushion frame in a rotating way; the driving device can drive the shank support to rotate relative to the seat cushion frame, and the driving device can drive the telescopic fixing plate to slide along the surface of the shank support. Through the rotation of drive arrangement drive shank support and the slip of flexible fixed plate, make folding telescoping device can adapt to the customer group of different demands, stretch like the leg and foot disabled is inconvenient, or the old man stretches the crowd of difficulty and can utilize the utility model discloses folding effect adapts to customer's needs. The sitting posture can be adjusted according to the requirements of customers. When the client lies flat and the individual can utilize than higher the utility model discloses a telescoping device lets client's foot not have the suspension and does not rely on the sense.
in an alternative of this embodiment, the drive means comprises: the backrest fixing piece 3, the cushion swing piece 4, the triangular swing block 5, the driving mechanism 6, the shank swing piece 7, the telescopic fixing plate push rod 11, the crank swing piece 12, the telescopic push rod 13, the backrest push rod 14 and the cushion frame 15; the backrest fixing part 3 is rotatably connected with the base 2; the backrest fixing part 3 is respectively connected with one end of a backrest push rod 14 and one end of a driving mechanism 6 in a rotating way, and the other end of the driving mechanism 6 is connected with a seat cushion frame 15 in a rotating way; the two ends of the cushion swing part 4 are respectively connected with the base 2 and the cushion frame 15 in a rotating way; one end of the triangular swing block 5 is rotatably connected with the seat cushion frame 15, and the other end is respectively rotatably connected with the backrest push rod 14 and the shank swing part 13; the shank swing part 7 is rotationally connected with the shank bracket 8 and the triangular swing block; the telescopic push rod 13, the triangular swing block 5, the crank swing part 12 and the telescopic plate push rod are sequentially connected in a rotating mode.
In the alternative of this embodiment, be equipped with the slider on the shank portion support, be equipped with the slide in the slider, flexible fixed plate can slide in the slide. The telescopic fixing plate 9 is connected with the linear slider of the slider 10, when the driving mechanism works, the connecting rod pushes the triangular swing block 5 to swing, the triangular swing block 5 pushes the crank swing part 12 to swing through the connecting rod, and the crank swing part 12 pushes the telescopic fixing plate 9 to slide linearly through the connecting rod, so that the telescopic function is realized
In an alternative of this embodiment, the driving mechanism includes a cylinder, and both ends of the cylinder are rotatably connected to the back fixing member 3 and the seat cushion frame 15, respectively.
It should be noted that the driving mechanism may be an air cylinder or an electric motor.
In an alternative of this embodiment, the backrest fixing member 3 is connected with the base 2, the driving mechanism 6 and the backrest pushing rod 14 through shaft matching respectively, and when the motor works, the backrest fixing member 3 can swing.
In the alternative of this embodiment, the seat cushion swing part 4, the triangular swing block 5 and the backrest fixing part 3 are respectively connected with the base 2 through shaft matching, the seat cushion swing part 4, the triangular swing block 5 are further connected with the seat cushion frame 15 through shaft matching, and the other end of the driving mechanism 6 is connected with the seat cushion frame 15 through shaft matching. Thus, the seat cushion frame can be swung when the motor works.
In an alternative embodiment, the lower leg swing part 7 is respectively connected with the triangular swing block 5 and the lower leg support 8 through shaft matching. When the motor works to push the backrest fixing part 3, the triangular swinging block 5 is pushed to swing through the backrest push rod 14. The swing of the triangular swing block 5 can push the swing of the shank support 8 through the shank swing part 7, and the folding function effect is achieved.
in the alternative of this embodiment, the sliding block 10 is fixed on the lower leg support 8, the telescopic fixing plate 9 is respectively connected with the sliding block 10 and the telescopic fixing plate push rod 11 in a shaft-fitting manner, and the crank swing 12 is respectively connected with the telescopic fixing plate push rod 11, the telescopic push rod 13 and the lower leg support 8 in a shaft-fitting manner. When the motor work promotes the swing of triangle pendulum piece 5 through the connecting rod, triangle pendulum piece 5 promotes the swing of crank goods of furniture for display rather than for use 12 through flexible fixed plate push rod 13, and crank goods of furniture for display rather than for use 12 promotes flexible fixed plate 9 linear sliding through flexible fixed plate push rod 11 to realize flexible function.
Example two
The embodiment two of the utility model also provides a treatment chair, which comprises a backrest bending plate 1 and a folding and stretching device of any one technical proposal of the embodiment of the utility model. The structure, the working principle and the beneficial effects of the folding telescopic device are explained in detail in the beneficial effects of the folding telescopic device, and are not described in detail herein. The above therapeutic chair is the same as the folding telescopic device provided by the utility model has the advantages over the prior art, and is not repeated herein.
finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
Claims (10)
1. a folding telescopic device, characterized by comprising: the device comprises a seat cushion frame, a base, a shank support, a telescopic fixing plate and a driving device;
The seat cushion frame is rotationally connected with the shank support;
The driving device is respectively connected with the backrest fixing piece and the cushion frame in a rotating way;
the driving device can drive the crus support to rotate relative to the seat cushion frame, and the driving device can drive the telescopic fixing plate to slide along the surface of the crus support.
2. The folding telescopic device according to claim 1, characterized in that said driving means comprises: the backrest comprises a backrest fixing piece, a seat cushion swing piece, a triangular swing block, a driving mechanism, a shank swing piece, a telescopic fixed plate push rod, a crank swing piece, a telescopic push rod, a backrest push rod and a seat cushion frame;
The backrest fixing piece is rotatably connected with the base;
The backrest fixing piece is respectively and rotatably connected with one end of the backrest push rod and one end of the driving mechanism, and the other end of the driving mechanism is rotatably connected with the seat cushion frame;
The two ends of the seat cushion swing part are respectively and rotatably connected with the base and the seat cushion frame;
one end of the triangular swing block is rotatably connected with the seat cushion frame, and the other end of the triangular swing block is respectively rotatably connected with the backrest push rod and the shank swing part;
The shank swinging piece is respectively and rotatably connected with the shank bracket and the triangular swinging block;
The telescopic push rod, the triangular swing block, the crank swing part and the telescopic fixed plate push rod are sequentially connected in a rotating mode.
3. The folding and telescoping device of claim 2, characterized in that the shank support is provided with a slide block, the slide block is provided with a slide way, and the telescoping securing plate can slide in the slide way.
4. The folding telescopic device according to claim 2, wherein the driving mechanism comprises a cylinder, and both ends of the cylinder are respectively rotatably connected with the backrest fixing member and the seat cushion frame.
5. the telescopic folding device according to claim 2, wherein the backrest fixing member is coupled to the base, the driving mechanism and the backrest pushing rod by a shaft.
6. The telescopic folding device as claimed in claim 2, wherein the seat cushion swing member, the triangular swing block and the backrest fixing member are respectively coupled to the base through a shaft;
The seat cushion swing part and the triangular swing block are also matched and connected with the seat cushion frame through a shaft;
the other end of the driving mechanism is matched and connected with the seat cushion frame by a shaft.
7. The folding telescopic device as claimed in claim 2, wherein the calf swing part is connected with the triangular swing block and the calf support in a shaft fitting manner.
8. The folding and telescoping device of claim 3, wherein the sliding block is fixed to the lower leg support, and the telescoping securing plate is cooperatively connected to the sliding block and the telescoping securing plate push rod shaft, respectively.
9. the folding and telescoping device of claim 2, wherein the crank swing member is coupled to the telescoping securing plate push rod, the telescoping push rod, and the calf support via a shaft, respectively, and the telescoping securing plate push rod is coupled to the telescoping securing plate via a shaft.
10. A treatment chair comprising a back rest bend plate and a folding telescopic device according to any one of claims 1 to 9;
The backrest bent plate is fixedly connected with the backrest fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920030861.2U CN209790303U (en) | 2019-01-07 | 2019-01-07 | folding telescopic device and treatment chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920030861.2U CN209790303U (en) | 2019-01-07 | 2019-01-07 | folding telescopic device and treatment chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209790303U true CN209790303U (en) | 2019-12-17 |
Family
ID=68819745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920030861.2U Active CN209790303U (en) | 2019-01-07 | 2019-01-07 | folding telescopic device and treatment chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209790303U (en) |
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2019
- 2019-01-07 CN CN201920030861.2U patent/CN209790303U/en active Active
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