CN210144998U

CN210144998U - Comfortable dental chair of pedal formula concertina type

Info

Publication number: CN210144998U
Application number: CN201920439027.9U
Authority: CN
Inventors: 邹青
Original assignee: Foshan City Ya Ya Medical Equipment Co Ltd
Current assignee: Foshan City Ya Ya Medical Equipment Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-03-17
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a comfortable dentistry chair of pedal formula concertina type, which comprises a backrest, the left end of back rotates through first bearing and links to each other there is the bull stick, first gear engagement is connected with the second gear, the top rigid coupling of second gear has the montant, the equal rigid coupling in both ends has the lantern ring about stud's the outer wall, the top rigid coupling of the lantern ring has the slide bar, the outer wall of slide bar and the top clearance fit of footstock, the left end rigid coupling of slide bar has the spring. This comfortable dental chair of pedal formula concertina type, through stud, the lantern ring, the cooperation of bent plate and spring, make stud drive two bent plates when rotating and do close or the motion of leaving mutually simultaneously, and then fix patient's head through the bent plate, prevent that the doctor from moving in disorder when handling the patient and leading to misoperation, rethread first gear, the second gear, the cooperation of montant and footstock, make the pivoted angle of bent plate adjustable, and then improve work efficiency, reduce operating time.

Description

Comfortable dental chair of pedal formula concertina type

Technical Field

The utility model relates to a dental chair technical field specifically is a comfortable dental chair of pedal formula concertina type.

Background

The dental chair is used for oral surgery and examination and treatment of oral diseases, and at present, an electric dental chair is mostly adopted, the working principle of the dental chair is that a control switch starts a motor to operate and drives a transmission mechanism to work, so that corresponding parts of the dental chair move, and a control switch button is operated according to treatment requirements, so that the dental chair can finish the actions of ascending, descending, bending, facing upward, resetting and the like. Traditional dental chair has a great deal of not enough, can't fix patient's head position, and then when the doctor carries out operation treatment to patient's oral cavity, leads to misoperation because of the patient is disorderly easily, and when the operation, can't adjust the angle of patient's head for it is very inconvenient during the operation, and then influences operating efficiency, delays time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a comfortable dental chair of pedal formula concertina type to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pedal type telescopic comfortable dental chair comprises a backrest, wherein the left end of the backrest is connected with a rotating rod through a first bearing in a rotating way, the left end of the rotating rod is fixedly connected with a first handle, the right end of the rotating rod is fixedly connected with a first gear, the first gear is connected with a second gear in a meshing way, the top of the second gear is fixedly connected with a vertical rod, the outer wall of the vertical rod is in clearance fit with a third gear, the third gear is connected with the first gear in a meshing way, the left end of the third gear is fixedly connected with a curved rod, the outer wall of the curved rod is fixedly connected with a sliding block, the outer wall of the sliding block is in sliding joint with the left end of the backrest, the outer wall of the vertical rod is connected with the top of the backrest through a second bearing in a rotating way, the top of the vertical rod is fixedly connected with a top seat, the left end and the right end of the top seat are rotatably connected with a stud through a third bearing, the equal rigid coupling in both ends has the lantern ring about stud's the outer wall, the top rigid coupling of the lantern ring has the slide bar, the outer wall of slide bar and the top clearance fit of footstock, the end of slide bar has the bent plate through spout slip joint, the left end rigid coupling of slide bar has the spring.

Preferably, the inner wall of the sliding groove is in clearance fit with a clamping plate, the outer end of the clamping plate is fixedly connected with the spring, the inner end of the clamping plate is rotatably connected with a bolt through a fourth bearing, and the outer wall of the bolt is in threaded connection with the inner end of the curved plate through a threaded hole.

Preferably, the outer wall of the first handle is fixedly connected with a rubber ring.

Preferably, the outer wall of the second handle is sleeved with a rubber sleeve.

Preferably, a spongy cushion is fixedly connected below the outer wall of the curved plate.

Preferably, the upper part and the lower part of the outer wall of the inner end of the bolt are fixedly connected with bayonet locks.

Compared with the prior art, the beneficial effects of the utility model are that: this comfortable dental chair of pedal formula concertina type, through stud, the lantern ring, the slide bar, the spout, the cooperation of bent plate and spring, make stud drive two bent plates when rotating and do closely or the motion of leaving mutually simultaneously, and then fix patient's head through the bent plate, prevent that the doctor from moving in disorder when handling the patient and leading to misoperation, rethread first gear, the second gear, the cooperation of montant and footstock, make the footstock can rotate, and then it is adjustable to drive the pivoted angle of bent plate, make things convenient for the doctor to operate and handle patient's oral cavity more, and then improve work efficiency, and reduce operating time.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing the connection relationship between the curved bar, the slider and the first handle in FIG. 1;

FIG. 3 is a schematic view showing the connection relationship among the inner structures of the top seat, the rubber sleeve and the curved plate in FIG. 1;

fig. 4 is a schematic view showing the connection relationship between the catch plate, the bolt and the spring in fig. 3.

In the figure: 1. the bearing comprises a backrest, 2, a first bearing, 3, a rotating rod, 4, a first handle, 5, a first gear, 6, a second gear, 7, a vertical rod, 8, a third gear, 9, a curved rod, 10, a sliding block, 11, a second bearing, 12, a top seat, 13, a third bearing, 14, a double-end stud, 15, a second handle, 16, a lantern ring, 17, a sliding rod, 18, a sliding groove, 19, a curved plate, 20, a spring, 21, a clamping plate, 22, a fourth bearing, 23, a bolt, 24, a threaded hole, 25, a rubber ring, 26, a rubber sleeve, 27, a sponge pad, 28 and a clamping pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, the present invention provides a technical solution: a pedal type telescopic comfortable dental chair comprises a backrest 1, wherein the backrest 1 is used for supporting the back of a patient, the left end of the backrest 1 is connected with a rotating rod 3 in a rotating way through a first bearing 2, the rotating rod 3 can rotate under stress through the first bearing 2, the left end of the rotating rod 3 is fixedly connected with a first handle 4, the outer wall of the first handle 4 is fixedly connected with a rubber ring 25, the rubber ring 25 is used for enhancing the friction of the outer wall of the first handle 4, the right end of the rotating rod 3 is fixedly connected with a first gear 5, the first gear 5 is in meshing connection with a second gear 6, the first gear 5 can drive the second gear 6 to rotate so as to drive a vertical rod 7 to rotate, the top of the second gear 6 is fixedly connected with a vertical rod 7, the outer wall of the vertical rod 7 is in clearance fit with a third gear 8, the third gear 8 is in meshing connection with the first gear 5, the third gear 8 is used for fixing the first gear 5, and the left end of the third gear 8 is fixedly connected with a curved, the outer wall of the curved bar 9 is fixedly connected with a sliding block 10, the sliding block 10 plays a limiting role on the curved bar 9, the outer wall of the sliding block 10 is in sliding clamping connection with the left end of the backrest 1, the sliding block 10 can move up and down along the backrest 1 when stressed, the outer wall of the vertical bar 7 is rotatably connected with the top of the backrest 1 through a second bearing 11, the second bearing 11 enables the vertical bar 7 to rotate when stressed, the top of the vertical bar 7 is fixedly connected with a top seat 12, the vertical bar 7 drives the top seat 12 to rotate, the left end and the right end of the top seat 12 are rotatably connected with a stud 14 through a third bearing 13, the left end of the stud 14 is fixedly connected with a second handle 15, the second handle 15 is used for rotating the stud 14, the outer wall of the second handle 15 is sleeved with a rubber sleeve 26, the rubber sleeve 26 is used for enhancing friction of the outer wall of the second handle 15, the left end and the right end of the outer wall of the stud 14 are fixedly connected with lantern rings, a sliding rod 17 is fixedly connected to the top of the lantern ring 16, the outer wall of the sliding rod 17 is in clearance fit with the top of the top base 12, the top base 12 has a limiting effect on the sliding rod 17, the tail end of the base sliding rod 17 is slidably clamped with a curved plate 19 through a sliding groove 18, the sliding rod 17 enables the two curved plates 19 to simultaneously move close to or away from each other, a sponge cushion 27 is fixedly connected below the outer wall of the curved plate 19, the sponge cushion 27 is used for preventing a patient from directly contacting the curved plate 19, accidents occur, a spring 20 is fixedly connected to the left end of the sliding rod 17, the elastic coefficient of the spring 20 is 100N/CM, a clamping plate 21 is in clearance fit with the inner wall of the sliding groove 17, the outer end of the clamping plate 21 is fixedly connected with the spring 20, the clamping plate 21 is used for changing the compression degree of the spring 20, a bolt 23 is rotatably connected to the inner end of the clamping plate 21 through a fourth bearing 22, the outer wall of, the upper and lower outer walls of the inner end of the bolt 23 are fixedly connected with bayonet pins 28, and the bayonet pins 28 enable the bolt 23 to be convenient to rotate.

When a patient lies on the dental chair, when the head of the patient is positioned between the two curved plates 19, the first handle 15 is rotated, the outer wall of the stud 14 is rotatably connected with the left end and the right end of the top seat 12 through the third bearing 13, so that the two lantern rings 16 positioned on the left side and the right side simultaneously move close to or away from each other to drive the slide rod 17 to move, the curved plates 19 are slidably clamped at the bottom of the slide rod 17 through the sliding grooves 18, the two curved plates 19 simultaneously move close to or away from each other to fix the heads of different patients, and the spring 20 is used for preventing the patient from generating pain due to the position of the two curved plates 19 being too close to each other and playing a role of buffering for the head of the patient, when the head of the patient is fixed, the curved rod 9 is pulled upwards and is slidably clamped with the left end of the backrest 1 through the sliding block 10 to separate the third gear 8 from the first gear 5, at the moment, the first handle 4 is rotated, the rotary rod 3 is rotatably connected, make bull stick 3 rotate along with first in command 4, the rethread first gear 3 is connected with the meshing of second gear 6, and then makes montant 7 drive footstock 12 and rotate, and then makes patient's head rotate to suitable position, and then makes things convenient for the doctor to carry out operation treatment to patient's oral cavity.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a comfortable dental chair of pedal formula concertina type, includes back (1), its characterized in that: the left end of back (1) rotates through first bearing (2) and links to each other has bull stick (3), the left end rigid coupling of bull stick (3) has first in command (4), the right-hand member rigid coupling of bull stick (3) has first gear (5), first gear (5) meshing is connected with second gear (6), the top rigid coupling of second gear (6) has montant (7), the outer wall clearance fit third gear (8) of montant (7), third gear (8) are connected with first gear (5) meshing, the left end rigid coupling of third gear (8) has curved bar (9), the outer wall rigid coupling of curved bar (9) has slider (10), the outer wall of slider (10) and the left end slip joint of back (1), the outer wall of montant (7) rotates through second bearing (11) and back (1) the top and links to each other, the top rigid coupling of montant (7) has top seat (12), both ends rotate through third bearing (13) and are connected with stud (14) about footstock (12), the left end rigid coupling of stud (14) has second handle (15), the equal rigid coupling in both ends has lantern ring (16) about the outer wall of stud (14), the top rigid coupling of the lantern ring (16) has slide bar (17), the outer wall of slide bar (17) and the top clearance fit of footstock (12), the end of slide bar (17) has bent plate (19) through spout (18) slip joint, the left end rigid coupling of slide bar (17) has spring (20).

2. A foot-pedal telescopic comfortable dental chair as claimed in claim 1, wherein: the inner wall clearance fit of spout (18) has cardboard (21), the outer end and the spring (20) rigid coupling of cardboard (21) are in the same place, the inner of cardboard (21) is connected with bolt (23) through fourth bearing (22) rotation, the outer wall of bolt (23) is through screw hole (24) and the inner threaded connection of bent plate (19).

3. A foot-pedal telescopic comfortable dental chair as claimed in claim 1, wherein: the outer wall of the first handle (4) is fixedly connected with a rubber ring (25).

4. A foot-pedal telescopic comfortable dental chair as claimed in claim 1, wherein: and a rubber sleeve (26) is sleeved on the outer wall of the second handle (15).

5. A foot-pedal telescopic comfortable dental chair as claimed in claim 1, wherein: a spongy cushion (27) is fixedly connected below the outer wall of the curved plate (19).

6. A foot-pedal telescopic comfortable dental chair as claimed in claim 2, wherein: the upper part and the lower part of the outer wall of the inner end of the bolt (23) are fixedly connected with a bayonet (28).