CN215081638U

CN215081638U - Children's dental chair with rotatable headrest

Info

Publication number: CN215081638U
Application number: CN202120281182.XU
Authority: CN
Inventors: 祁璐璐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-10
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a children dental chair with rotatable headrest, belonging to the dental chair field, comprising a headrest, a backrest and a chair seat which are connected in sequence, wherein a connecting mechanism arranged between the headrest and the backrest comprises a rotating device and a supporting device; the rotating device comprises a transverse shaft embedded into the headrest and extending out of two ends of the transverse shaft, an arc-shaped structure connected with two ends of the transverse shaft, a headrest supporting structure connected with the lower side of the arc-shaped structure and a gear shaft; the inner side of the arc-shaped structure is provided with meshing teeth which are meshed with the gear on the gear shaft, the upper end of the gear shaft is provided with a rotating handle, the lower end of the gear shaft is inserted into a supporting device, and the supporting device is fixed on the backrest; the lower end of the headrest support structure is connected with the support device. The utility model achieves the effect of epidemic prevention by arranging the face mask; the headrest and the backrest with the limiting devices are made of soft materials to coat the body shape of the infant, and meanwhile, a doctor can directly adjust the head angle of the infant through the rotating handle to increase the fitting degree of the infant.

Description

Children's dental chair with rotatable headrest

Technical Field

The utility model belongs to the dental chair field, concretely relates to rotatable children of headrest use dental chair.

Background

In the oral diagnosis and treatment operation, the saliva and blood of a patient are splashed to easily form aerosol, and the microbial aerosol is an important transmission path of a plurality of infectious diseases, particularly new coronary pneumonia. Therefore, in order to prevent and control epidemic situations, not only the stomatologists and nurses need to wear tight protective clothing, but also corresponding protective equipment is arranged around the oral cavity of the patient to prevent aerosol and spray from splashing out to cause environmental pollution.

And the children patient is often not high in the degree of adaptability in dental treatment, and is relatively weak in understanding the left direction and the right direction, and moreover, after a mask or box-type protective equipment is used for preventing and controlling epidemic situations, sound isolation and field of vision are not clear, so that the children are more difficult to respond to instructions of cooperation doctors.

SUMMERY OF THE UTILITY MODEL

The utility model is provided for overcoming the defects existing in the prior art, and the purpose of the utility model is to provide a children's dental chair with a rotatable headrest.

The utility model discloses a realize through following technical scheme:

a children use dental chair with a rotatable headrest is placed above a dental chair base for use and comprises a headrest, a backrest and a chair seat which are sequentially connected; the connecting mechanism between the headrest and the backrest comprises a rotating device and a supporting device which are connected; the rotating device comprises a cross shaft embedded in the headrest and extending out of two ends, an arc-shaped structure with two ends connected with the cross shaft, a headrest supporting structure connected with the lower side of the arc-shaped structure and a gear shaft, meshing teeth are arranged on the inner side of the arc-shaped structure and meshed with gears on the gear shaft, a rotating handle is arranged at one end of two ends of the gear shaft, the other end of the gear shaft is inserted into the supporting device, and the supporting device is fixed on the backrest; meanwhile, the lower end of the headrest support structure is also connected with the support device.

The utility model has the advantages that:

1. the face guard is arranged to achieve the effect of epidemic prevention, and the openable face guard is convenient for a child patient to lie in the dental chair and also convenient for disinfecting the face guard at any time. Or a disposable pad towel is arranged, so that the possibility of cross infection is reduced by one person and one towel.

2. The headrest and the backrest with the limiting structures are made of soft memory cotton materials, so that the body shape of the infant patient is wrapped, the action of the infant patient is limited, the adverse psychology of the infant patient is not excited due to excessive constraint, and the fitting degree of the infant patient is increased.

3. The doctor can be through rotatory handle, and initiative adjustment headrest angle, and then the head angle of adjustment infant need not infant initiative cooperation, reduces because sound is fuzzy or the problem is understood to the infant of low age, causes the unable condition appearance that cooperates the doctor instruction of infant.

Drawings

FIG. 1 is a schematic view of the entire embodiment of the present invention;

FIG. 2 is a schematic view of the entire epidemic prevention removed device of the present invention;

FIG. 3 is a schematic top view of the headrest and backrest with the epidemic prevention apparatus removed;

FIG. 4 is a schematic top view of the headrest and backrest with the epidemic prevention apparatus and the protection box removed;

fig. 5 is a rear schematic view of the utility model after the epidemic prevention device and the protection box are removed.

Wherein:

1. a dental chair base, 2 a headrest,

3. a backrest, 4. a chair seat,

5. a transverse shaft, 6, an arc-shaped structure,

61 meshing teeth, 62, a protection box,

63. the pin, 64, the pin hole,

7. a headrest support structure, 71, a ring structure,

8. a gear shaft, 81, a gear,

9. a rotary handle, 10, an epidemic prevention device,

101. the observation window, 102, the operation hole,

11. a sleeve.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described by the following detailed description with reference to the accompanying drawings.

As shown in fig. 1-5, a children's dental chair with a rotatable headrest is arranged above a dental chair base 1 for use, and comprises a headrest 2, a backrest 3 and a seat 4 which are connected in sequence; the connecting mechanism between the headrest 2 and the backrest 3 comprises a rotating device and a supporting device which are connected; the rotating device comprises a cross shaft 5 embedded in the headrest and extending out of two ends, an arc-shaped structure 6 with two ends connected with the cross shaft 5, a headrest supporting structure 7 connected with the lower side of the arc-shaped structure 6 and a gear shaft 8, wherein the inner side of the arc-shaped structure 6 is provided with a meshing tooth 61, the meshing tooth 61 is meshed with a gear 81 on the gear shaft 8, one end of two ends of the gear shaft 8 is provided with a rotating handle 9, the other end of the two ends of the gear shaft is inserted into the supporting device, and the supporting device is fixed on the backrest 3; at the same time, the lower end of the headrest support structure 7 is also connected with the support device.

An epidemic prevention device 10 is covered above the headrest 2.

The two ends of the epidemic prevention device 10 are connected with the transverse shaft 5 and can rotate freely by taking the transverse shaft 5 as a rotating shaft.

The epidemic prevention device 10 is a mask with an observation window 101 at the lower part, and the observation window 101 is provided with an operation hole 102 for a dentist to extend an apparatus into the oral cavity of a child patient for operation.

The material of the observation window 101 is transparent and the inner surface is coated with an antifogging layer.

The supporting device is a sleeve 11 fixed on the chair back, and a groove is formed in the sleeve 11.

The headrest support structure 7 is provided with a ring structure 71 at its lower end.

The ring structure 71 is sleeved in the groove.

And a bearing is also arranged between the supporting device and the gear shaft 8.

The two sides of the headrest 2 and the backrest 3 form a limiting structure inclining towards the center.

The rotating device further comprises a protection box 62, wherein the protection box 62 is arranged above the gear shaft 8, and a through hole convenient for the rotating handle 9 to extend out and an arc-shaped clamping groove clamped with the arc-shaped structure 6 are formed in the protection box.

The protective box 62 is fixed to the arc-shaped structure 6 by means of pins 63 arranged along the edges. The arc-shaped structure 6 is provided with a pin hole 64 matched with the arc-shaped structure.

The rotary handle 9 is a Z-shaped handle.

The upper surfaces of the headrest 2 and the backrest 3 are made of soft materials with increased surface friction, such as memory cotton with anti-skid surface. When the infant lies on the utility model, the head and the shoulder are surrounded by the memory cotton, and the head and the shoulder of the infant, the headrest 2 and the backrest 3 can keep a relatively fixed position due to the action of the surface friction force.

The utility model discloses a practical method:

1. the epidemic prevention device 10 is lifted to enable the infant to adjust the posture and lie on the utility model, the headrest 2 and the backrest 3 coat the head and the shoulder of the infant, and the epidemic prevention device 10 is covered on the face of the infant.

2. The doctor observes the infant oral cavity situation through observation window 101, operates the infant oral cavity through handle hole 102, if the cooperation of infant head is rotated about needing, shakes Z type handle, makes headrest 2 drive infant head and rotates.

3. If the fitting degree of the infant is low, limiting belts can be additionally arranged at the three positions of the headrest 2, the backrest 3 and the chair seat 4 to limit the action of the infant.

The utility model achieves the effect of epidemic prevention by arranging the face mask, the headrest and the backrest which are provided with the limiting device are soft to cover the body shape of the infant patient, so as to limit the action of the infant patient, but the adverse psychology of the infant patient can not be excited due to excessive constraint, and the degree of matching of the infant patient can be increased; meanwhile, the doctor can actively adjust the head angle of the infant patient directly by rotating the handle.

Claims

1. A children dental chair with a rotatable headrest comprises the headrest (2), a backrest (3) and a chair seat (4) which are connected in sequence, and is characterized in that a connecting mechanism arranged between the headrest (2) and the backrest (3) comprises a rotating device and a supporting device; the rotating device comprises a transverse shaft (5) embedded into the headrest (2) and extending out of two ends of the transverse shaft, an arc-shaped structure (6) connected with two ends of the transverse shaft (5), a headrest supporting structure (7) connected with the lower side of the arc-shaped structure (6) and a gear shaft (8); the inner side of the arc-shaped structure (6) is provided with meshing teeth (61), the meshing teeth (61) are meshed with a gear (81) on a gear shaft (8), the upper end of the gear shaft (8) is provided with a rotating handle (9), the lower end of the gear shaft is inserted into a supporting device, and the supporting device is fixed on a backrest (3); the lower end of the headrest supporting structure (7) is connected with the supporting device.

2. The children's dental chair with rotatable headrest according to claim 1, characterized in that an epidemic prevention device (10) is covered above the headrest (2).

3. The children's dental chair with rotatable headrest according to claim 2, wherein the epidemic prevention apparatus (10) is connected to both ends of the horizontal shaft (5) and can rotate freely with the horizontal shaft (5) as a rotation shaft.

4. The children's dental chair with rotatable headrest according to claim 3, wherein the epidemic prevention device (10) is a mask with a lower observation window (101), and the observation window (101) is provided with an operation hole (102).

5. The rotatable headrest dental chair for children as claimed in claim 1, wherein the supporting means is a sleeve (11) fixed to the chair back, and the sleeve (11) is provided with a groove.

6. A child's chair with a rotatable headrest according to claim 5, characterized in that said headrest support structure (7) is provided with a ring structure (71) at its lower end.

7. The rotatable headrest children's dental chair as claimed in claim 6, wherein said ring-like structure (71) is fitted in a groove on the sleeve (11).

8. The children's dental chair with rotatable headrest according to claim 1, wherein both sides of the headrest (2) and the backrest (3) form a limiting structure inclining to the center.

9. The children's dental chair with rotatable headrest as claimed in claim 1, wherein the rotating device further comprises a protection box (62), the protection box (62) is disposed above the gear shaft (8), and a through hole for the rotation handle (9) to extend out and an arc-shaped slot for clamping with the arc-shaped structure (6) are formed on the protection box.

10. A children's dental chair with rotatable headrest according to claim 9, characterized in that the protection box (62) is fixed to the arc-shaped structure (6) by means of pins (63) arranged along the edge.