CN216933906U - Lifting structure of dental treatment chair - Google Patents
Lifting structure of dental treatment chair Download PDFInfo
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- CN216933906U CN216933906U CN202220305816.5U CN202220305816U CN216933906U CN 216933906 U CN216933906 U CN 216933906U CN 202220305816 U CN202220305816 U CN 202220305816U CN 216933906 U CN216933906 U CN 216933906U
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Abstract
The utility model belongs to the technical field of dental chairs, and particularly relates to a dental treatment chair lifting structure, which comprises: the lifting upright post seat is placed on the plane; the dental chair attachment hanger is movably arranged in the lifting column seat and can slide up and down along the height direction of the lifting column seat; and the lifting end of the lifting mechanism is fixedly connected with the dental chair attachment hanger and is used for driving the dental chair attachment hanger to stably lift. The lifting structure of the dental treatment chair performs uniform-speed balanced linear motion, the lifting of the dental chair is more stable and safer, and patients do not have drifting and weightlessness feelings in the lifting process, so that the fear psychology of the patients to treatment is reduced. Meanwhile, the suspension type vertical lifting of the external dental chair is realized, so that the downward-adjusting position of the dental chair is not limited, the working area of a doctor is increased, and the doctor is safer and more convenient in the working process.
Description
Technical Field
The utility model belongs to the technical field of dental chairs, and particularly relates to a lifting structure of a dental treatment chair.
Background
The dental chair is used for oral surgery and examination and treatment of oral diseases. The electric dental chair is mainly adopted, the whole machine is fixed on the ground through a bottom plate, the bottom plate is connected with the upper part of the dental chair through a bracket, the action of the dental chair is controlled by a control switch on a chair back, and the working principle is as follows: the control switch starts the motor to operate and drives the transmission mechanism to work, so that the corresponding parts of the dental chair move. According to the treatment requirement, the dental chair can finish the actions of ascending, descending, bending, facing up, resetting and the like by operating the control switch buttons. At present, most of the known lifting mechanisms of the dental chairs adopt a mechanical connecting rod mode under a seat cushion, and the structure of the lifting mechanisms needs a larger space, so that the downward adjustment position of the dental chair is limited, and a great deal of inconvenience is brought to the operation of patients and doctors.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting structure of a dental chair, and aims to solve the technical problem that the lifting mechanism of the dental chair in the prior art adopts a mechanical connecting rod mode, the structure of the lifting mechanism needs a large space, and the downward adjustment position of the dental chair is limited.
In order to achieve the above object, an embodiment of the present invention provides a dental chair lifting structure, including:
the lifting upright post seat is placed on a plane and used for playing a role in guiding;
the dental chair attachment hanger is movably arranged in the lifting column seat, can slide up and down along the height direction of the lifting column seat and is used for installing an external dental chair;
and the lifting frame lifting mechanism is arranged on the lifting upright post seat, and the lifting end of the lifting frame lifting mechanism is fixedly connected with the dental chair attachment lifting frame and is used for driving the dental chair attachment lifting frame to stably lift.
Optionally, the hanger lifting mechanism comprises:
the lifting operation seat is fixedly connected to the lifting upright post seat;
the first end of the lifting traction unit is fixedly connected to the lifting operation seat, and the second end of the lifting traction unit sequentially bypasses the lifting operation seat and the lifting column seat and is fixedly connected to the dental chair attachment hanger; the winding point of the lifting traction unit and the lifting upright post seat is connected to the lifting operation seat in a sliding manner to form a traction adjusting point;
the lifting driving unit is adjacently arranged on one side of the lifting stand column seat and is positioned on the same axis with the lifting operation seat, and the driving end of the lifting driving unit is connected with the traction adjusting point;
the lifting driving unit drives the traction adjusting point to slide up and down along the height direction of the lifting operation seat, and then the length ratio from the first end of the lifting traction unit to the traction adjusting point to the second end of the lifting traction unit to the traction adjusting point is changed.
Optionally, the lifting drive unit comprises a lifting drive source, a rotary drive screw and a lifting linkage slider; the lifting linkage sliding block is arranged in the lifting operation seat in a sliding mode, and the end part of the lifting linkage sliding block is connected with the traction adjusting point; the rotary driving screw is rotationally arranged in the lifting operation seat, penetrates through the lifting linkage sliding block and forms threaded fit; the lifting driving source is adjacently arranged on one side of the lifting column base and is positioned on the same axis with the rotary driving screw rod, and an output shaft of the lifting driving source is connected with the rotary driving screw rod.
Optionally, one end of the dental chair attachment hanger fixedly connected to the external dental chair and one end of the lifting traction unit fixedly connected to the dental chair attachment hanger are located on the same end face, so that the traction force generated by the lifting traction unit balances the gravity of the dental chair attachment hanger and the external dental chair.
Optionally, two groups of lifting traction units are provided; the distance between the joint of the two groups of lifting traction units and the dental chair attachment hanger and the center of the dental chair attachment hanger is equal, so that the dental chair attachment hanger is balanced left and right.
Optionally, the lifting traction unit comprises a traction member, an adjustment wheel and a plurality of steering wheels; the adjusting rotating wheels are arranged on the lifting operation seat in a sliding mode and connected with the driving end of the lifting driving unit to form the traction adjusting point, the plurality of steering rotating wheels are rotatably arranged on the lifting upright post seat, the first end of the traction piece is fixedly connected to the lifting operation seat, and the second end of the traction piece sequentially bypasses the adjusting rotating wheels and the plurality of steering rotating wheels and is fixedly connected to the dental chair attachment hanger.
Optionally, the lifting operation seat is vertically provided with a limiting track along the height direction of the lifting operation seat, and the adjusting rotating wheel is slidably arranged in the limiting track and moves along the limiting track to further drive the traction piece.
Optionally, the lifting column base comprises an upper top plate, a lower bottom plate and a lifting column; the lifting guide post is vertically arranged between the upper top plate and the lower bottom plate, and the dental chair attaching hanger is slidably sleeved on the lifting guide post and slides up and down along the lifting guide post; the hanger lifting mechanism is installed on the upper top plate and is fixedly connected with the dental chair attachment hanger.
Optionally, the chair attachment hanger is uniformly provided with a plurality of rollers which are in rolling connection with the lifting guide post along the circumferential direction, and the chair attachment hanger is in sliding fit with the lifting guide post through the plurality of rollers.
One or more technical schemes in the lifting structure of the dental treatment chair provided by the embodiment of the utility model at least have one of the following technical effects: the dental chair attachment hanger in the dental treatment chair lifting structure is movably arranged in the lifting upright post seat, the lifting end of the hanger lifting mechanism is fixedly connected with the dental chair attachment hanger, and the dental treatment chair lifting structure and an external dental chair are assembled by fixedly connecting the external dental chair with the dental chair attachment hanger; this dental treatment chair elevation structure is at the during operation, and gallows lifting mechanism moves, and then drives this dental chair and adheres to the gallows and slide from top to bottom along the direction of height of this lift stand seat and realize steady lift. Therefore, the lifting structure of the dental treatment chair performs uniform-speed balanced linear motion, the lifting of the dental chair is more stable and safer, the patient does not have drifting and weightlessness feeling in the lifting process, and the fear psychology of the patient to treatment is reduced. Meanwhile, the external dental chair is externally connected with the dental treatment chair lifting structure and is positioned in different lifting spaces, so that the suspension type vertical lifting of the external dental chair is realized, the downward-adjusting position of the dental chair is not limited, the working area of a doctor is enlarged, and the doctor is safer, more convenient and more comfortable in the working process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.
Fig. 1 is a perspective view of a dental treatment chair lifting structure provided by an embodiment of the utility model.
Fig. 2 is a front view of a dental chair lifting structure according to an embodiment of the present invention.
Fig. 3 is a side view of a dental chair lifting structure according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a lifting traction unit according to an embodiment of the present invention.
Fig. 5 is a schematic diagram illustrating a connection between a lift driving unit and a lift runtime provided in an embodiment of the present invention.
Fig. 6 is a schematic view of the connection between the attachment hanger for a dental chair and the lifting column base according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100. a lifting column base; 110. An upper top plate; 120. A lower base plate; 130. A lifting guide post;
200. a dental chair attachment hanger; 210. A roller;
300. a hanger lifting mechanism; 310. Lifting the running seat; 311. A limiting track; 320. Lifting the traction unit; 321. A traction member; 322. Adjusting the rotating wheel; 323. A steering wheel; 330. A lift drive unit; 331. A lifting drive source; 332. Rotating the drive screw; 333. And lifting the linkage slide block.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixed or detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1 to 3, there is provided a dental treatment chair lifting structure, including:
the lifting column base 100 is placed on a plane and used for playing a guiding role, and the lifting column base 100 is placed on the plane;
a dental chair attachment hanger 200, which is movably installed in the lifting column base 100 and can slide up and down along the height direction of the lifting column base 100, for installing an external dental chair;
and a hanger lifting mechanism 300, wherein the hanger lifting mechanism 300 is installed on the lifting column base 100, and a lifting end of the hanger lifting mechanism 300 is fixedly connected with the dental chair attachment hanger 200 and is used for driving the dental chair attachment hanger 200 to stably lift.
Specifically, the dental chair attachment hanger 200 in the dental treatment chair lifting structure is movably mounted in the lifting column base 100, the lifting end of the hanger lifting mechanism 300 is fixedly connected with the dental chair attachment hanger 200, and the dental treatment chair lifting structure and the external dental chair are assembled by fixedly connecting the dental chair attachment hanger 200 to the external dental chair; when the lifting structure of the dental chair is operated, the hanger lifting mechanism 300 is operated to drive the dental chair attachment hanger 200 to slide up and down along the height direction of the lifting column base 100 to realize stable lifting. Therefore, the lifting structure of the dental treatment chair performs uniform-speed balanced linear motion, the lifting of the dental chair is more stable and safer, the patient does not have drifting and weightlessness feeling in the lifting process, and the fear psychology of the patient to treatment is reduced.
Meanwhile, the external dental chair is externally connected with the lifting structure of the dental treatment chair, so that the external dental chair is positioned in different lifting spaces, and the suspension type vertical lifting of the external dental chair is realized, so that the downward adjustment position of the dental chair is not limited, the working area of a doctor is enlarged, and the doctor is safer, more convenient and more comfortable in the working process.
In another embodiment of the present invention, as shown in fig. 1 to 3, the hanger lifting mechanism 300 includes:
a lifting operation seat 310, wherein the lifting operation seat 310 is fixedly connected to the lifting column base 100;
a lifting traction unit 320, a first end of the lifting traction unit 320 being fixedly connected to the lifting operation base 310, and a second end of the lifting traction unit 320 being fixedly connected to the ottoman attachment hanger 200 by passing through the lifting operation base 310 and the lifting column base 100 in sequence; the winding point of the lifting traction unit 320 and the lifting column base 100 is slidably connected to the lifting operation base 310 to form a traction regulation point;
the lifting driving unit 330 is adjacently arranged on one side of the lifting column base 100 and is positioned on the same axis with the lifting operation base 310, and the driving end of the lifting driving unit 330 is connected with the traction adjusting point;
the lifting driving unit 330 drives the traction adjusting point to slide up and down along the height direction of the lifting operation seat 310, so as to change the length ratio between the first end of the lifting traction unit 320 to the traction adjusting point and the second end of the lifting traction unit 320 to the traction adjusting point.
Specifically, in the process that the hanging bracket 200 is attached to the dental chair and the external dental chair is lifted, the lifting driving unit 330 drives the traction adjusting point to slide downwards along the height direction of the lifting operation seat 310, at this time, the length from the first end of the lifting traction unit 320 to the traction adjusting point is gradually increased, and the length from the second end of the lifting traction unit 320 to the traction adjusting point is gradually shortened, so that the hanging bracket 200 is attached to the dental chair and the external dental chair slides upwards along the height direction of the lifting column seat 100 to realize stable lifting.
In the process that the dental chair attachment hanger 200 and the external dental chair descend, the lifting driving unit 330 drives the traction adjustment point to slide upwards along the height direction of the lifting operation seat 310, at this time, the length from the first end of the lifting traction unit 320 to the traction adjustment point is gradually shortened, and the length from the second end of the lifting traction unit 320 to the traction adjustment point is gradually increased, so that the dental chair attachment hanger 200 and the external dental chair slide downwards along the height direction of the lifting column seat 100 to realize stable descent.
Therefore, the lifting frame lifting mechanism 300 can lift the external dental chair under the cooperation of the lifting operation seat 310, the lifting traction unit 320 and the lifting driving unit 330, so that a user can conveniently adjust the external dental chair to a proper height, and the universal applicability is strong.
In addition, the lifting mechanism 300 realizes the ascending and descending at double speed, and when the lifting driving unit 330 drives the traction adjusting point to push a centimeter of travel along the height direction of the lifting operation seat 310, the dental chair attachment hanger 200 and the external dental chair will push two centimeters of height along the height direction of the lifting column seat 100, thereby reducing the friction of high-speed operation and prolonging the service life.
In another embodiment of the present invention, as shown in fig. 1 to 3 and 5, the lift driving unit 330 includes a lift driving source 331, a rotation driving screw 332, and a lift interlocking slider 333; the lifting linkage sliding block 333 is arranged in the lifting operation seat 310 in a sliding manner, and the end part of the lifting linkage sliding block 333 is connected with the traction adjusting point; the rotary driving screw 332 is rotatably disposed in the lifting operation seat 310, and the rotary driving screw 332 penetrates through the lifting linkage sliding block 333 and forms a threaded fit; the lifting driving source 331 is adjacently disposed at one side of the lifting column base 100 and is located on the same axis with the rotary driving screw 332, and an output shaft of the lifting driving source 331 is connected with the rotary driving screw 332.
Specifically, the lifting drive source 331 may drive the rotation drive screw 332 to rotate to move the lifting link slider 333 along the rotation drive screw 332. When the lifting driving unit 330 is in operation, the lifting driving source 331 acts to drive the rotary driving screw 332 to rotate in the lifting operation base 310, and the rotary driving screw 332 drives the lifting linkage slider 333 to move along the rotary driving screw 332, so that the traction adjusting point slides up and down along the height direction of the lifting operation base 310. Therefore, the lifting driving unit 330 can provide stable power output, so that the traction adjusting point can smoothly complete position change, and the lifting device is simple in structure and high in control precision.
Wherein, because lifting linkage slider 333 adopts lifting driving source 331 cooperation rotatory drive screw 332 drive adopts motor drive promptly, perhaps the mode drive of motor combination speed reducer to combine screw drive, have the auto-lock characteristic from this, can effectively bear the effort of retreating of lifting linkage slider 333, the operation is reliable, and the security improves greatly.
In addition, because the lifting driving source 331 is independently installed and is located on the same axis as the rotary driving screw 332, that is, the lifting driving source 331 has no extra lever force loss, and further the rotary driving screw 332 and the lifting linkage sliding block 333 can be vertically stressed to operate, the lifting driving source 331 can also generate large torque force by adopting a small motor, the structural design is reasonable, the traction effect is good, and the service life of each structure is long.
In another embodiment of the present invention, as shown in fig. 3, one end of the ottoman attachment hanger 200 fixedly connected to the external ottoman and one end of the ottoman attachment hanger 200 fixedly connected to the lifting traction unit 320 are located on the same end surface, so that the traction force generated by the lifting traction unit 320 balances the gravity of the ottoman attachment hanger 200 and the external ottoman.
Specifically, the technical scheme is novel in structure, stress is effectively improved, when the weights borne by the dental chair attachment hanger 200 and the external dental chair are changed, the dental chair attachment hanger 200 can be kept balanced at any position only by adjusting the traction force generated by the lifting traction unit 320, so that the lifting resistance of the dental chair attachment hanger 200 and the external dental chair is reduced, and the stability and the reliability of the mechanism operation are improved.
In another embodiment of the present invention, as shown in fig. 2, the lifting traction unit 320 is provided in two sets; the connection points of the two sets of the lifting traction units 320 and the dental chair attachment hanger 200 are equidistant from the center of the dental chair attachment hanger 200, so that the dental chair attachment hanger 200 is balanced left and right.
Specifically, by providing two sets of the lifting traction units 320 to respectively control the left side and the right side of the hanger 200 for the dental chair, the left and the right positions of the center of gravity of the hanger 200 for the dental chair are effectively adjusted, so that the left and the right sides of the hanger 200 for the dental chair are balanced in stress, and the hanger 200 for the dental chair is adjusted and made to always keep better balance, so that the center of gravity of the hanger 200 for the dental chair is maintained on the central axis as much as possible, the friction between the hanger 200 for the dental chair and the lifting column base 100 is reduced, the hanger 200 for the dental chair is ensured to stably lift on the lifting column base 100, the damage of equipment caused by the asynchronous lifting of the left side and the right side of the hanger 200 for the dental chair is avoided, and the service life is prolonged.
In another embodiment of the present invention, as shown in fig. 1 to 4, the lifting traction unit 320 includes a traction member 321, an adjusting wheel 322, and a plurality of turning wheels 323; the adjusting wheel 322 is slidably disposed on the lifting operation seat 310 and connected to a driving end of the lifting driving unit 330 to form the traction adjusting point, the plurality of turning wheels 323 are rotatably mounted on the lifting column seat 100, a first end of the traction member 321 is fixedly connected to the lifting operation seat 310, and a second end of the traction member 321 sequentially bypasses the adjusting wheel 322 and the plurality of turning wheels 323 and is fixedly connected to the dental chair attachment hanger 200.
Specifically, the lifting driving unit 330 drives the adjusting wheel 322 to slide up and down along the height direction of the lifting traveling seat 310, so as to change the length ratio between the first end of the traction member 321 to the adjusting wheel 322 and the second end of the traction member 321 to the adjusting wheel 322, thereby achieving the lifting operation of the dental chair attachment hanger 200 and the external dental chair. In addition, by arranging the steering rotating wheels 323, the friction between the traction piece 321 and the lifting column base 100 in the traction process can be reduced, the traction piece 321 is prevented from being abraded, and the safety and the service life are greatly improved.
In this embodiment, the traction member 321 is a chain, so that when the hanging bracket 200 is pressed against an object during the descending process, the object is not damaged by a strong force, and the defect of damage to the object during the ascending and descending process by using a screw in the conventional technology is overcome.
In another embodiment of the present invention, as shown in fig. 1 and 3, the lifting carriage 310 is vertically provided with a limiting track 311 along a height direction thereof, and the adjusting wheel 322 is slidably disposed in the limiting track 311 and moves along the limiting track 311 to pull the traction member 321.
Specifically, through setting up spacing track 311 can be right adjust runner 322 carries on spacingly, has reduced adjust runner 322 takes place the possibility of skew, has avoided piece 321 produces swing and noise when pulling, avoids right it causes the damage to pull piece 321, has improved the stability when lifting traction unit 320 uses. Meanwhile, the limit rail 311 is vertically designed, so that the lateral force is large, and the lift is not high due to the height of the lifting driving unit 330.
In another embodiment of the present invention, as shown in fig. 6, the lifting column base 100 comprises an upper top plate 110, a lower bottom plate 120 and a lifting guide column 130; the lifting guide post 130 is vertically disposed between the upper top plate 110 and the lower bottom plate 120, and the chair attachment hanger 200 is slidably sleeved on the lifting guide post 130 and slides up and down along the lifting guide post 130; the hanger lifting mechanism 300 is installed on the upper top plate 110 and is fixedly connected to the ottoman attachment hanger 200.
Wherein, the hanging bracket 200 is uniformly provided with a plurality of rollers 210 rolling-connected to the lifting guide post 130 along the circumferential direction thereof, and the hanging bracket 200 is slidably fitted on the lifting guide post 130 via the plurality of rollers 210.
Specifically, the roller 210 and the lifting guide post 130 are matched with each other to guide the hanging bracket 200 attached to the dental chair, so that the hanging bracket 200 attached to the dental chair can be lifted along the lifting guide post 130, which is beneficial to ensuring the smoothness of the lifting process of the hanging bracket 200 attached to the dental chair and the external dental chair.
In addition, in this embodiment, the lifting guide post 130 is a square upright post, the dental chair attachment hanger 200 is correspondingly configured as a square frame, and the plurality of rollers 210 are uniformly arranged on four sides of the square frame along the circumferential direction of the dental chair attachment hanger 200, so that the stress on each side of the dental chair attachment hanger 200 is uniform, the dental chair attachment hanger 200 is effectively prevented from shaking in the lifting process, and the balance and the stability are good.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A dental treatment chair elevation structure, comprising:
the lifting upright post seat is placed on a plane and used for playing a role in guiding;
the dental chair attachment hanger is movably arranged in the lifting column seat, can slide up and down along the height direction of the lifting column seat and is used for installing an external dental chair;
and the lifting frame lifting mechanism is arranged on the lifting upright post seat, and the lifting end of the lifting frame lifting mechanism is fixedly connected with the dental chair attachment lifting frame and is used for driving the dental chair attachment lifting frame to stably lift.
2. The dental treatment chair lifting structure according to claim 1, wherein: the gallows lifting mechanism includes:
the lifting operation seat is fixedly connected to the lifting upright post seat;
the first end of the lifting traction unit is fixedly connected to the lifting operation seat, and the second end of the lifting traction unit sequentially bypasses the lifting operation seat and the lifting upright post seat and is fixedly connected to the dental chair attachment hanger; the winding point of the lifting traction unit and the lifting upright post seat is connected to the lifting operation seat in a sliding manner to form a traction adjusting point;
the lifting driving unit is adjacently arranged on one side of the lifting stand column seat and is positioned on the same axis with the lifting operation seat, and the driving end of the lifting driving unit is connected with the traction adjusting point;
the lifting driving unit drives the traction adjusting point to slide up and down along the height direction of the lifting operation seat, and then the length ratio from the first end of the lifting traction unit to the traction adjusting point to the second end of the lifting traction unit to the traction adjusting point is changed.
3. The dental treatment chair elevation structure of claim 2, wherein: the lifting driving unit comprises a lifting driving source, a rotary driving screw rod and a lifting linkage sliding block; the lifting linkage sliding block is arranged in the lifting operation seat in a sliding mode, and the end part of the lifting linkage sliding block is connected with the traction adjusting point; the rotary driving screw is rotationally arranged in the lifting operation seat, penetrates through the lifting linkage sliding block and forms threaded fit; the lifting driving source is adjacently arranged on one side of the lifting column base and is positioned on the same axis with the rotary driving screw rod, and an output shaft of the lifting driving source is connected with the rotary driving screw rod.
4. The dental treatment chair elevation structure of claim 2, wherein: the one end that the gallows is adhered to mutually fixed connection in outside dental chair with the dental chair adhere to the gallows mutually fixed connection in the lifting traction unit's one end is in on same terminal surface to make the traction force that the lifting traction unit produced in order to balance the weight of gallows and outside dental chair is adhered to the dental chair.
5. The dental treatment chair elevation structure of claim 2, wherein: the lifting traction units are provided with two groups; the distance between the joints of the two groups of lifting traction units and the dental chair attachment hanging bracket and the center of the dental chair attachment hanging bracket is equal, so that the dental chair attachment hanging bracket is balanced left and right.
6. The dental treatment chair elevation structure of claim 2, wherein: the lifting traction unit comprises a traction piece, an adjusting rotating wheel and a plurality of steering rotating wheels; the adjusting rotating wheels are arranged on the lifting operation seat in a sliding mode and connected with the driving end of the lifting driving unit to form a traction adjusting point, the plurality of steering rotating wheels are rotatably installed on the lifting stand column seat, the first end of the traction piece is fixedly connected to the lifting operation seat, and the second end of the traction piece sequentially bypasses the adjusting rotating wheels and the plurality of steering rotating wheels and is fixedly connected to the dental chair attachment hanger.
7. The dental treatment chair lifting structure according to claim 6, wherein: the lifting operation seat is vertically provided with a limiting track along the height direction, and the adjusting rotating wheel is arranged in the limiting track in a sliding mode and moves along the limiting track so as to drive the traction piece.
8. The dental treatment chair elevation structure of any one of claims 1-7, wherein: the lifting upright post seat comprises an upper top plate, a lower bottom plate and a lifting guide post; the lifting guide post is vertically arranged between the upper top plate and the lower bottom plate, and the dental chair attaching hanger is slidably sleeved on the lifting guide post and slides up and down along the lifting guide post; the hanger lifting mechanism is installed on the upper top plate and is fixedly connected with the dental chair attachment hanger.
9. The dental treatment chair elevation structure of claim 8, wherein: the tooth chair attachment hanger is evenly provided with a plurality of idler wheels which are in rolling connection with the lifting guide column along the circumferential direction, and the tooth chair attachment hanger is in sliding fit with the lifting guide column through the plurality of idler wheels.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220305816.5U CN216933906U (en) | 2022-02-15 | 2022-02-15 | Lifting structure of dental treatment chair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220305816.5U CN216933906U (en) | 2022-02-15 | 2022-02-15 | Lifting structure of dental treatment chair |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155293A1 (en) * | 2022-02-15 | 2023-08-24 | 杨建成 | Lifting structure of dental chair |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155293A1 (en) * | 2022-02-15 | 2023-08-24 | 杨建成 | Lifting structure of dental chair |
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