CN215652378U - Fixed head cap for dental treatment of children - Google Patents

Abstract

The utility model discloses a fixed head cap for children dental treatment, which relates to the field of dental head caps and comprises a fixed head cap, a fixing clamp, an opener, a playing earphone and a mobile phone support, wherein the fixing clamp is movably arranged at the outer edge of the fixed head cap and is used for clamping a dental chair, the opener is detachably arranged at the outer edge of the fixed head cap and is used for keeping the oral cavity in an open state, the playing earphone is movably arranged at the outer edge of the fixed head cap and is used for playing music, the mobile phone support is movably arranged at the outer edge of the fixed head cap, the mobile phone support is used for fixing a mobile phone, when the fixed head cap is worn on the head of a child through the fixing clamp, the fixing clamp is fixed on the dental chair to limit the moving space of the fixed head cap, the fixed head cap is prevented from being separated from the dental chair under the action of the child, when the fixed head cap is worn on the head of the child through the playing earphone, the music or animation sound is played to disperse the attention of children, and the mobile phone is fixed on the mobile phone support through the mobile phone support.

Description

Fixed head cap for dental treatment of children

Technical Field

The utility model relates to the field of dental headgear, in particular to a children dental treatment fixing headgear.

Background

In the clinical work of dental treatment in children, a dilemma is often encountered. Children are uncooperative and have physical and head movement. Increasing the risk of treatment. The existing commonly used coping method is to use a body binding belt which can bind the body of a child, but the head can still move disorderly, a plurality of nurses are needed to operate simultaneously, one person presses the head, one person absorbs saliva, the working efficiency is extremely low, and the fear of the child is increased.

Therefore, the device is designed to have the following functions simultaneously: the head of the child is fixed on the dental chair, the child can keep an open state, saliva can be sucked for the oral cavity of the child, audio-visual entertainment can be provided for the child, manpower is saved, working efficiency is improved, treatment danger is reduced, and the child is more willing to accept and cooperate with treatment.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.

Children's dental therapy fixed head cap, including fixed head cap, the fixation clamp, the mouth gag, broadcast earphone, cell phone stand, the mobilizable edge of installing outside the fixed head cap of fixation clamp, the fixation clamp is used for the centre gripping on the dental chair, mouth gag detachable installs and follows outside the fixed head cap, the mouth gag is used for the oral cavity to keep opening the state, broadcast earphone mobilizable install the edge outside the fixed head cap, broadcast earphone is used for broadcasting the music, cell phone stand mobilizable install the edge outside the fixed head cap, cell phone stand is used for fixing the cell-phone.

As a further scheme of the utility model: the fixation clamp comprises a fixation frame, the number of the fixation frame is two, the fixation frame is symmetrically arranged on the outer edge of a fixation head cap respectively, the shape of the fixation frame is 'n' type, the opening faces backwards, a first movable arm is hinged in the opening of the fixation frame, the other end of the first movable arm is hinged with a second movable arm, the other end of the second movable arm is hinged with a first clamping arm, one side of the first clamping arm is transversely provided with a rotating shaft, the other end of the rotating shaft is vertically provided with a second clamping arm in rotating fit with the rotating shaft, the left side of the second clamping arm corresponds to the right side of the first clamping arm, a torsion spring is sleeved outside the rotating shaft, a first limiting cylinder is vertically formed on the right side of the first clamping arm, a second limiting cylinder is vertically formed on the left side of the second clamping arm, a support leg at one end of the torsion spring is connected with an inner cylinder of the first limiting cylinder, and a support leg at the other end of the torsion spring is connected with an inner cylinder of the second limiting cylinder.

As a further scheme of the utility model: the left side of the second clamping arm is transversely provided with a first clamping column, the right side of the first clamping arm is transversely provided with a second clamping column, the outer edge of the second clamping column corresponds to the outer edge of the first clamping column, and the right side of the second clamping arm is transversely provided with a rotating handle.

As a further scheme of the utility model: along being stained with in the fixed head cap and having elastic first fixed band, first fixed band extends to the below of fixed head cap, and first fixed band lower extreme is equipped with the son and buckles, has elastic second fixed band along being stained with in the fixed head cap, and the second fixed band extends to the below of fixed head cap, and second fixed band lower extreme is equipped with the box of detaining the lock with the son.

As a further scheme of the utility model: the playing earphone comprises two first movable grooves which are respectively arranged on the left side and the right side of a fixed head cap, a movable frame is arranged in each first movable groove, each movable frame is hollow, an elastic movable plate is adhered in each movable frame, the cross section of each movable plate is arc-shaped, an earphone seat is arranged on one side of the lower end of each movable plate, each earphone seat is hollow, an earphone horn is arranged in each earphone seat, each earphone seat is positioned in each fixed head cap, an earmuff is sleeved outside each earphone seat, a Bluetooth box is arranged on the other side of the lower end of each movable plate, a Bluetooth module with the model of SKB501 is arranged in each Bluetooth box, each Bluetooth box is in signal connection with the corresponding earphone horn through a wire, a power wire is connected outside each fixed head cap and is connected with an external circuit, each Bluetooth box is electrically connected with the power wire through a wire, an elastic protective head sleeve is adhered in each fixed head cap, and second movable grooves communicated with the first movable grooves are arranged on the left side and the right side of each protective head cap, the shaping has behind the first protection lid under the fixed headgear, and the shaping has behind the elastic second protection lid under the protection headgear, and lid back is glued in behind the first protection lid before in behind the second protection.

As a further scheme of the utility model: the mobile phone support comprises a movable seat, the movable seat is transversely formed on a fixed head cap, the movable seat is hollow, an adjusting frame in sliding fit with the inside of the movable seat is arranged in the movable seat, the adjusting frame is in an inverted L shape, the protruding part of the adjusting frame is in sliding fit with the inside of the movable seat, a row of first fixing holes communicated with the inside of the movable seat are drilled on the movable seat, a row of second fixing holes are drilled on the protruding part of the adjusting frame, when the adjusting frame moves forwards, one of them second fixed orifices corresponds with first fixed orifices, has worn the hand screw in the second fixed orifices, and the hand screw passes second fixed orifices and first fixed orifices, at last with first fixed orifices screw-thread fit, horizontal shaping has the cell-phone backplate under the alignment jig, and the vertical shaping in left side has first grip block behind the cell-phone backplate, and right side is equipped with the second grip block of horizontal activity behind the cell-phone backplate, and second grip block left side corresponds with first grip block right side.

As a further scheme of the utility model: the cell phone back plate is internally and transversely provided with a sliding groove, a sliding block in sliding fit with the sliding groove is arranged in front of the second clamping block, the left side of the second clamping block is provided with a third fixing hole, the right side of the first clamping block is provided with a fourth fixing hole corresponding to the third fixing hole, a spring penetrates through the third fixing hole, one end of the spring penetrates through the third fixing hole and is in threaded fit with the third fixing hole, and the other end of the spring penetrates through the fourth fixing hole and is in threaded fit with the fourth fixing hole.

As a further scheme of the utility model: the mouth gag includes universal pipe, and universal pipe installs along outside the fixed head cap, and the universal pipe other end is equipped with the fixing base, and the fixing base has the fixed column, fixed column upper end and fixing base normal running fit, and the fixed column has the opening seat, is equipped with on the opening seat with fixed column screw-thread fit's fifth fixed orifices, and it has first opening hole to open in the opening seat, both ends around first opening hole runs through the opening seat, and the opening seat is opened outward has the interlock groove.

As a further scheme of the utility model: an opening plate is arranged below the fixing column, a sixth fixing hole is formed outside the opening plate, when the opening seat is disassembled, the fixing column penetrates through the sixth fixing hole and is in threaded fit with the sixth fixing hole, the cross section of the opening plate is arc-shaped, an occlusion block is formed behind the opening plate, a second opening hole is formed in the opening plate, and the second opening hole penetrates through the rear side of the occlusion block and the front side of the opening plate.

Compared with the prior art, the utility model has the beneficial effects that:

through the fixation clamp for when fixed headgear wears on children, utilize the fixation clamp to fix on the dental chair, restrict the activity space of fixed headgear, avoid fixed headgear to break away from the dental chair under children's action by a wide margin, through the broadcast earphone, when making fixed headgear wear on children, broadcast music or animation sound dispersion children's attention, rethread cell phone stand, make the cell-phone can fix on cell phone stand, further utilization broadcast animation piece dispersion children's attention.

Through the mouth gag, make fixed headgear wear when children are overhead, let get children's oral cavity and keep opening the state, avoid children because of unwilling to open the mouth or open the tired sudden close mouth of a mouth and lead to taking place danger and unable treatment, thereby make things convenient for dentist to treat children's oral cavity, the mouth gag includes opening seat and opening plate, and it has first opening hole and second opening hole to open respectively, inhale the salivary duct pluggable fixation downthehole, absorb water for children through inhaling the salivary duct, reduced specially for absorbing water and the manpower that is equipped with.

Through first fixed band and second fixed band for fixed headgear when children wear overhead, utilize the elasticity of first fixed band and second fixed band to fix fixed headgear, rethread son detains and box, makes fixed headgear be difficult to break away from children overhead.

The head of the child is protected by the protection head sleeve when the fixed head sleeve is worn on the head of the child by utilizing the elasticity of the protection head sleeve.

Through first digging arm and second digging arm for first centre gripping arm and second centre gripping arm can be through rotating the centre gripping dental chair on, the centre gripping of being convenient for.

Through a first spacing section of thick bamboo and the spacing section of thick bamboo of second for the stabilizer blade at torsional spring both ends joint respectively in a first spacing section of thick bamboo and the spacing section of thick bamboo of second, thereby let first centre gripping arm and second centre gripping arm carry out the centre gripping through the elasticity of torsional spring.

Through the first clamping block and the second clamping block, when the mobile phone is placed behind the mobile phone backboard, the first clamping block and the second clamping block clamp the mobile phone tightly by using the elasticity of the spring, so that the mobile phone can play animations conveniently.

Through alignment jig and movable seat for the cell-phone backplate can the back-and-forth movement, adjusts the front and back position of cell-phone, twists the screw through the hand, makes the alignment jig remove to fixed after the suitable position.

First activity groove and fly leaf for when children take fixed headgear, through the elasticity of fly leaf, let the ear muff embolia children's ear, follow and make things convenient for children to hear music or animation sound through earphone loudspeaker, through the bluetooth box, make earphone loudspeaker use on being connected to cell-phone or other equipment.

Through universal pipe for the mouth gag can be free wrench movement, and a plurality of positions are adjusted, and through the fixed column, can change opening seat or opening board according to actual conditions, facilitate the use.

Lid and second protection back lid behind first protection for when children wear the protection headgear, can protect children's back head position.

The mouth gag is detachably connected, so that the mouth gag can be detached for sterilization after being used.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

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 description of the embodiments or the prior art 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 can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of the protective head cover of the present invention.

Fig. 3 is a schematic view of the earphone seat structure of the present invention.

Fig. 4 is a schematic structural view of the first clamp arm of the present invention.

Fig. 5 is a schematic diagram of a back plate structure of a mobile phone according to the present invention.

FIG. 6 is a schematic diagram of a second clamping block structure according to the present invention.

Fig. 7 is a schematic diagram of the structure of the opening plate of the present invention.

Fig. 8 is a schematic view of the earmuff structure of the present invention.

In the figure: 1. a fixed head cap, 2, a protective head cap, 3, a fixed clamp, 4, a playing earphone, 5, a mobile phone support, 6, a first fixed band, 7, a second fixed band, 8, a male buckle, 9, a female buckle, 10, a mouth gag, 11, a power cord, 12, a fixed frame, 13, a first movable arm, 14, a second movable arm, 15, a first clamping arm, 16, a second clamping arm, 17, a rotating shaft, 18, a torsion spring, 19, a first limiting barrel, 20, a second limiting barrel, 21, a first clamping column, 22, a second clamping column, 23, a rotating handle, 24, a movable seat, 25, an adjusting frame, 26, a first fixed hole, 27, a second fixed hole, 28, a hand-twisted screw, 29, a mobile phone backboard, 30, a first clamping block, 31, a second clamping block, 32, a sliding groove, 33, a sliding block, 34, a spring, 35, a third fixed hole, 36, a fourth fixed hole, 37, a fixed tube, 38, a fixed seat, 39. the Bluetooth mobile phone comprises a fixed column, 40, a first opening hole, 41, a second opening hole, 42, a fifth fixing hole, 43, a sixth fixing hole, 44, an occlusion groove, 45, an occlusion block, 46, an opening seat, 47, an opening plate, 48, a movable frame, 49, a movable plate, 50, an earphone seat, 51, an earphone loudspeaker, 52, an ear cover, 53, a Bluetooth box, 54, a first movable groove, 55, a second movable groove, 56, a first protective rear cover, 57 and a second protective rear cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, in an embodiment of the present invention, a fixing head cap for children dental treatment includes a fixing head cap 1, a fixing clip 3, an opener 10, a playing earphone 4, and a mobile phone support 5, where the fixing clip 3 is movably installed at an outer edge of the fixing head cap 1, the fixing clip 3 is used for being clamped on a dental chair, the opener 10 is detachably installed at the outer edge of the fixing head cap 1, the opener 10 is used for keeping an open state of an oral cavity, the playing earphone 4 is movably installed at the outer edge of the fixing head cap 1, the playing earphone 4 is used for playing music, the mobile phone support 5 is movably installed at the outer edge of the fixing head cap 1, and the mobile phone support 5 is used for fixing a mobile phone.

The fixing clamp 3 comprises two fixing frames 12, the fixing frames 12 are symmetrically arranged at the outer edge of the fixing head cap 1 respectively, the fixing frames 12 are n-shaped, and the opening faces backwards, a first movable arm 13 is hinged in the opening of the fixed frame 12, a second movable arm 14 is hinged at the other end of the first movable arm 13, a first clamping arm 15 is hinged at the other end of the second movable arm 14, a rotating shaft 17 is transversely arranged on one side of the first clamping arm 15, a second clamping arm 16 which is in running fit with the rotating shaft 17 is vertically arranged at the other end of the rotating shaft 17, the left side of the second clamping arm 16 corresponds to the right side of the first clamping arm 15, a torsion spring 18 is sleeved outside the rotating shaft 17, a first limiting cylinder 19 is vertically formed on the right side of the first clamping arm 15, a second limiting cylinder 20 is vertically formed on the left side of the second clamping arm 16, a support leg at one end of the torsion spring 18 is clamped with the inner cylinder of the first limiting cylinder 19, and a support leg at the other end is clamped with the inner cylinder of the second limiting cylinder 20.

A first clamping column 21 is transversely arranged below the left side of the second clamping arm 16, a second clamping column 22 is transversely formed below the right side of the first clamping arm 15, the outer edge of the second clamping column 22 corresponds to the outer edge of the first clamping column 21, and a rotating handle 23 is transversely formed on the right side of the second clamping arm 16.

Along being stained with in the fixed head cap 1 and having elastic first fixed band 6, first fixed band 6 extends to the below of fixed head cap 1, and 6 lower extremes of first fixed band are equipped with the son and detain 8, along being stained with in the fixed head cap 1 and have elastic second fixed band 7, and second fixed band 7 extends to the below of fixed head cap 1, and 7 lower extremes of second fixed band are equipped with and detain the box 9 of 8 locks with the son, and first fixed band 6 is the rubber band with the material of second fixed band 7.

The playing earphone 4 comprises a first movable groove 54, two first movable grooves 54 are respectively arranged at the left side and the right side of the fixed head cap 1, a movable frame 48 is arranged in the first movable groove 54, the movable frame 48 is hollow, an elastic movable plate 49 is adhered in the movable frame 48, the movable plate 49 is made of a plastic plate, the cross section of the movable plate 49 is arc-shaped, an earphone seat 50 is arranged at one side of the lower end of the movable plate 49, the earphone seat 50 is hollow, an earphone loudspeaker 51 is arranged in the earphone seat 50, the earphone seat 50 is arranged in the fixed head cap 1, an ear cover 52 is sleeved outside the earphone seat 50, the ear cover 52 is made of sponge, the inner wall of the ear cover 52 is adhered to the outer wall of the earphone seat 50, a Bluetooth box 53 is arranged at the other side of the lower end of the movable plate 49, a Bluetooth module with the type of SKB501 is arranged in the Bluetooth box 53, the Bluetooth box 53 is in signal connection with the earphone loudspeaker 51 through a lead, a power cord 11 is connected outside the fixed head cap 1, external circuit is connected to power cord 11, and bluetooth box 53 passes through the wire and is connected with power cord 11 electricity, it has elastic protection headgear cover 2 to glue in the fixed headgear 1, and the material of protection headgear cover 2 is sponge or flexible glue, and the second movable slot 55 that has the first movable slot 54 of intercommunication is opened to the protection headgear cover 2 left and right sides, and fixed headgear 1 down the shaping has lid 56 behind the first protection, and the shaping has lid 57 behind elastic second protection under the protection headgear cover 2, and the material of lid 57 is sponge or flexible glue behind the second protection, and lid 57 back is glued in lid 56 before in first protection behind the second protection.

The mobile phone support 5 comprises a movable seat 24, the movable seat 24 is transversely formed on the fixed head cap 1, the movable seat 24 is hollow, an adjusting frame 25 which is in sliding fit with the inside of the movable seat 24 is arranged in the movable seat 24, the adjusting frame 25 is in an inverted L shape, the protruding part of the adjusting frame 25 is in sliding fit with the inside of the movable seat 24, a row of first fixing holes 26 which are communicated with the inside of the movable seat 24 are drilled on the movable seat 24, a row of second fixing holes 27 are drilled on the protruding part of the adjusting frame 25, when the adjusting frame 25 moves forwards, one of the second fixing holes 27 corresponds to the first fixing hole 26, hand-twist screws 28 penetrate through the second fixing holes 27 and the first fixing holes 26, and are finally in threaded fit with the first fixing holes 26, a mobile phone back plate 29 is transversely formed below the adjusting frame 25, a first clamping block 30 is vertically formed at the rear left side of the mobile phone back plate 29, the rear right side of the mobile phone back plate 29 is provided with a second clamping block 31 which moves transversely, and the left side of the second clamping block 31 corresponds to the right side of the first clamping block 30.

The cell phone back plate 29 is internally and transversely provided with a sliding groove 32, a sliding block 33 in sliding fit with the sliding groove 32 is arranged in front of the second clamping block 31, the left side of the second clamping block 31 is provided with a third fixing hole 35, the right side of the first clamping block 30 is provided with a fourth fixing hole 36 corresponding to the third fixing hole 35, a spring 34 penetrates through the third fixing hole 35 and is in threaded fit with the third fixing hole 35, and the other end of the spring 34 penetrates through the fourth fixing hole 36 and is in threaded fit with the fourth fixing hole 36.

The mouth gag 10 includes universal pipe 37, universal pipe 37's material is plastics, universal pipe 37 is installed at fixed head cap 1 outer edge, the universal pipe 37 other end is equipped with fixing base 38, fixing base 38 has fixed column 39, fixed column 39 upper end and fixing base 38 normal running fit, fixed column 39 has opening seat 46, be equipped with the fifth fixed orifices 42 with fixed column 39 screw-thread fit on the opening seat 46, it has first opening hole 40 to open in the opening seat 46, first opening hole 40 runs through opening seat 46 front and back both ends, opening seat 46 is outer to be opened has interlock groove 44, first opening hole 40 is used for inhaling salivary duct and inserts and utilize and inhale salivary duct absorption children's saliva in the oral cavity.

An opening plate 47 is arranged below the fixed column 39, a sixth fixing hole 43 is formed outside the opening plate 47, when the opening seat 46 is detached, the fixed column 39 penetrates through the sixth fixing hole 43 and is in threaded fit with the sixth fixing hole 43, the cross section of the opening plate 47 is arc-shaped, an occlusion block 45 is formed behind the opening plate 47, a second opening hole 41 is formed in the opening plate 47, the second opening hole 41 penetrates through the rear side of the occlusion block 45 and the front side of the opening plate 47, and the second opening hole 41 is used for inserting a saliva suction pipe and sucking saliva in the mouth of a child by using the saliva suction pipe.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. Children's dentistry treatment fixed head cap, its characterized in that, including fixed head cap, fixation clamp, mouth gag, broadcast earphone, cell phone stand, the mobilizable edge of installing outside the fixed head cap of fixation clamp, the fixation clamp is used for the centre gripping on the dental chair, mouth gag detachable installs and follows outside the fixed head cap, the mouth gag is used for the oral cavity to keep opening the state, broadcast earphone mobilizable install outside the fixed head cap along, broadcast earphone is used for playing the music, cell phone stand mobilizable install outside the fixed head cap along, cell phone stand is used for fixing the cell-phone.

2. The children dental treatment fixing head cap according to claim 1, wherein the fixing clip comprises two fixing frames, the fixing frames are symmetrically arranged at the outer edge of the fixing head cap respectively, the fixing frames are n-shaped, and the opening faces backwards, it has first digging arm to articulate in the opening of mount, the first digging arm other end articulates there is the second digging arm, the second digging arm other end articulates there is first centre gripping arm, first centre gripping arm one side transversely is equipped with the pivot, the pivot other end is vertical be equipped with pivot normal running fit's second centre gripping arm, second centre gripping arm left side is corresponding with first centre gripping arm right side, the pivot overcoat has the torsional spring, the vertical shaping in first centre gripping arm right side has first spacing section of thick bamboo, the vertical shaping in second centre gripping arm left side has the spacing section of thick bamboo of second, the stabilizer blade of torsional spring one end and the inner tube joint of first spacing section of thick bamboo, the stabilizer blade and the inner tube joint of the spacing section of thick bamboo of second of the other end.

3. The children's dental treatment fixing head cap according to claim 2, wherein a first holding column is transversely arranged on the left side of the second holding arm, a second holding column is transversely formed on the right side of the first holding arm, the outer edge of the second holding column corresponds to the outer edge of the first holding column, and a rotating handle is transversely formed on the right side of the second holding arm.

4. The children's dental therapy fixing head cap according to claim 1, wherein a first fixing band having elasticity is adhered to an inner edge of the fixing head cap, the first fixing band extends to a lower portion of the fixing head cap, a male buckle is arranged at a lower end of the first fixing band, a second fixing band having elasticity is adhered to an inner edge of the fixing head cap, the second fixing band extends to a lower portion of the fixing head cap, and a female buckle fastened to the male buckle is arranged at a lower end of the second fixing band.

5. The fixed headgear for children's dental treatment according to claim 1, wherein the playing headphones comprise two first movable slots respectively formed on the left and right sides of the fixed headgear, a movable frame is disposed in the first movable slot, the movable frame is hollow, a flexible movable plate is adhered to the movable frame, the movable plate has an arc cross-sectional shape, an earphone seat is disposed on one side of a lower end of the movable plate, the earphone seat is hollow, an earphone speaker is disposed in the earphone seat, the earphone seat is disposed in the fixed headgear, an ear shield is sleeved on the earphone seat, a Bluetooth box is disposed on the other side of the lower end of the movable plate, a Bluetooth module having a model number of SKB501 is disposed in the Bluetooth box, the Bluetooth box is in signal connection with the earphone speaker through a wire, a power cord is connected to the fixed headgear, the power cord is connected to an external circuit, the Bluetooth box is electrically connected to the power cord through a wire, a flexible protective headgear is adhered to the inside the fixed headgear, the protection headgear cover left and right sides is opened has the second activity groove of the first activity groove of intercommunication, and the shaping has first protection back lid under the fixed headgear cover, and the shaping has elastic second protection back lid under the protection headgear cover, and the back of the second protection back lid is glued in first protection back lid preceding.

6. The children dental treatment fixed head cap according to claim 1, wherein the hand phone holder comprises a movable seat, the movable seat is transversely formed on the fixed head cap, the movable seat is hollow, an adjusting frame which is slidably matched with the inside of the movable seat is arranged in the movable seat, the adjusting frame is in an inverted L shape, a protruding part of the adjusting frame is slidably matched with the inside of the movable seat, a row of first fixing holes which are communicated with the inside of the movable seat are drilled on the movable seat, a row of second fixing holes are drilled on the protruding part of the adjusting frame, when the adjusting frame moves forwards, one of the second fixing holes corresponds to the first fixing hole, a hand-twist screw passes through the second fixing hole and is matched with the first fixing hole, and is finally in threaded fit with the first fixing hole, a hand phone back plate is transversely formed below the adjusting frame, a first clamping block is vertically formed on the left rear side of the hand phone back plate, the rear right side of the mobile phone back plate is provided with a second clamping block which moves transversely, and the left side of the second clamping block corresponds to the right side of the first clamping block.

7. The children dental therapy fixing head cap according to claim 6, wherein a sliding groove is transversely formed in the back plate of the mobile phone, a sliding block which is in sliding fit with the sliding groove is arranged in front of the second clamping block, a third fixing hole is formed in the left side of the second clamping block, a fourth fixing hole which corresponds to the third fixing hole is formed in the right side of the first clamping block, a spring penetrates through the third fixing hole, one end of the spring penetrates through the third fixing hole and is in threaded fit with the third fixing hole, and the other end of the spring penetrates through the fourth fixing hole and is in threaded fit with the fourth fixing hole.

8. The children's dental treatment fixing head cap according to claim 1, wherein the mouth gag comprises a universal tube, the universal tube is mounted at the outer edge of the fixing head cap, the other end of the universal tube is provided with a fixing seat, a fixing column is arranged below the fixing seat, the upper end of the fixing column is rotatably matched with the fixing seat, an opening seat is arranged below the fixing column, a fifth fixing hole in threaded fit with the fixing column is arranged on the opening seat, a first opening hole is formed in the opening seat, the first opening hole penetrates through the front end and the rear end of the opening seat, and an occlusion groove is formed outside the opening seat.

9. The children's dental therapy fixing head cap according to claim 8, wherein an opening plate is arranged under the fixing column, a sixth fixing hole is arranged outside the opening plate, when the opening seat is disassembled, the fixing column passes through the sixth fixing hole and is in threaded fit with the sixth fixing hole, the cross section of the opening plate is arc-shaped, an occluding block is formed behind the opening plate, a second opening hole is formed in the opening plate, and the second opening hole passes through the rear side of the occluding block and the front side of the opening plate.

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