JPH0715534Y2 - Tooth cutting dust suction device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tooth cutting dust suction device.

[0002]

2. Description of the Related Art Tooth cutting, metal powder, blood, saliva, etc. are scattered out of the mouth during cutting treatment of teeth of a dental patient.

Therefore, infectious viruses and bacteria attached to these are scattered, which is very problematic in hygiene.

Therefore, a tooth-cutting dust suction device has been developed in which a suction hood is applied to the mouth of a dental patient or a denture to be abraded, and scattered matter is suctioned and removed from the suction hood to a dust collector.

In this tooth cutting dust suction device, a vacuum for collecting dust is installed and a discharge pipe is arranged under the floor. However, a conduit connected to this discharge pipe is erected upright near the treatment table, and the conduit is flexible. It was a floor-ground type in which a connecting conduit was connected and a suction hood was attached to the tip of this connecting conduit.

[0006]

Therefore, various treatment devices must be provided, and the floor installation space around the treatment table and the conduit are folded back in an inverted V shape from the upper side to the lower side. Due to the flexible connecting conduit, a space space is required.

[0007] The present invention is extremely practical, as in the conventional case, the suction hood can be applied to the mouth of a dental patient lying on the treatment table and the denture to be polished, and the installation space and space space around the treatment table are not required. Provided is a tooth cutting dust suction device having excellent properties.

[0008]

The gist of the present invention will be described with reference to the accompanying drawings.

A hanging conduit 4 is vertically installed on a ceiling mounting portion 3 mounted on a ceiling 2 above a treatment position of a dental patient 1 or above a tooth cutting position, and a connecting conduit 5 is provided at a lower end of the hanging conduit 4. The connecting conduit 5 is provided at a right-angled connection state or an inclined connection state, and a bellows-shaped bellows joint portion 16 is formed at least in the middle of the connection conduit 5 so that the connection conduit 5 can be bent at least in a heptoidal shape. And a suction hood 6 is provided at the tip of the connecting conduit 5 so that the hood angle can be adjusted, and a discharge pipe 7 disposed on the upper side of the ceiling is connected to the upper end of the hanging conduit 4. 7, a suction device is provided to adjust the hanging length of the hanging conduit 4, and the connecting conduit 5
The tooth cutting dust suction device is characterized in that the suction hood 6 is positioned at the mouth of the dental patient 1 or at the upper part of the tooth to be cut by adjusting the horizontal length of the suction hood 6 and adjusting the hood angle of the suction hood 6. It is a thing.

[0010]

The horizontal length (the lower end of the drooping conduit 4 and the suction hood 6) is adjusted by adjusting the drooping length of the hanging conduit 4 and adjusting the bending degree of the V-shape at least from the bellows joint portion 16 of the connecting conduit 5. The horizontal distance from the position) is adjusted, and the hood angle of the suction hood 6 is adjusted to position the suction hood 6 at the mouth of the dental patient 1 or the upper part of the tooth to be cut.

During dental treatment, scattered substances such as tooth powder, metal powder, blood and saliva scattered outside the mouth, and scattered substances such as tooth powder scattered during polishing of teeth such as dentures fitted in the treatment area are sucked. The suction force of the device causes the inflow from the suction hood 6, the connecting pipe 5, the hanging pipe 4, and the discharge pipe 7 on the upper side of the roof.
It is sucked and discharged.

[0012]

[Embodiment] In this embodiment, a mounting hole 8 is formed in the top 2 and
A ceiling mounting plate 3 ′ used as the ceiling mounting portion 3 is brought into contact with the rear surface of the ceiling 2 having the mounting hole 8 so that the hanging conduit 4 is suspended from the mounting hole 8.

A connecting portion 10 is provided at the upper end of the hanging conduit 4 via an elbow 9 for connecting with a discharge pipe 7 protruding in the horizontal direction from above the ceiling, and the discharge pipe 7 is connected to this connecting portion 10.

The discharge pipes 7 of this apparatus, which are provided in the same manner as a predetermined number, are appropriately arranged on the top and back, and each of the discharge pipes 7 is connected to a dust suction device (not shown).

In the structure for adjusting the hanging length of the hanging conduit 4 of this embodiment, the tubular body 4B is slidably inserted into the tubular body 4A vertically installed on the ceiling mounting plate 3 ', and the lower tubular body 4B is suspended. A structure for connecting the wire 11 and hoisting or lowering the hanging wire 11 by a hoisting device 12 arranged on the back of the ceiling attached to the ceiling mounting plate 3'to slide the tube body 4B and holding and fixing it at a predetermined fitting position. Has been adopted.

This hoisting device 12 includes a hanging wire 11
It is composed of a take-up pulley 14 that winds up and feeds the paper, and a motor 15 that rotates the pulley 14.

The connecting conduit 5 is connected to the lower end of the depending conduit 4 via the bellows joint portion 16B serving as an elbow so that the inclination angle can be adjusted.

A bellows joint 16A is formed in the middle of the connecting conduit 5, and the bellows joint 16A makes the connecting conduit 5 bendable in a V shape. 16A
Further, the tip side of the connecting conduit 5 is horizontally rotatable so that the hood direction is adjustable.

Further, a bellows contact portion 16C is formed on the tip side of the connecting conduit 5, that is, a connecting portion with the suction hood 6, and the trumpet-shaped suction hood 6 is configured to be swingable up and down, left and right, and the hood angle is adjustable. Is configured.

Further, the connecting conduit 5 will be described.

Connecting plates 21, 22, 23 are provided on the lower end of the hanging conduit 4, the upper part of the bellows joint 16A in the middle of the connecting conduit 5 and the upper part of the bellows joint 16C at the tip of the connecting conduit 5, respectively. Two arm rods 24 are pivotally mounted between the respective connecting plates so as to be vertically movable in a vertical direction.

This lower arm rod 24 is slidably fitted and connected to a fixing metal fitting 25 projecting from the upper surface of the connecting conduit 5.

A slide body 26 is slidably fitted to each of the lower arm rods 24, and the slide body 26 and the connection plates 21 and 23 on the base end side are connected by a tension spring 27. There is.

Therefore, in this embodiment, the tension spring 27 holds the connecting conduit 5 in a bent state with respect to the depending conduit 4, and the tip end side of the connecting conduit 5 with the bellows contact portion 16A as a boundary. The bent state is maintained with respect to the base end side.

Accordingly, the bellows joint portions 16A and 16B can be bent to freely bend in a V shape as shown in the drawing, and the tension spring 27 holds the state.

The bellows joints 16A, 16B, 16C can be contracted or extended, and the horizontal length of the connecting conduit 5 (the lower end of the hanging conduit 4 and the suction hood) can be combined with the bending operation. The horizontal distance from the position of 6) is adjustable.

The connecting plate 22 in the middle portion is constructed by pivoting two connecting plates at the center, and the connecting pipe 5 on the tip side is moved upward through the bellows joint 16A with this pivoting part as a fulcrum. As seen from the left and right sides, the suction hood 6 is provided so as to be bent in a left-right shape so that the suction hood 6 can be moved in the left-right direction.

The connecting plate 23 at the tip is provided with a projecting rod 28 provided with a spherical body at the tip, and a fitted body 29 fitted with the spherical body rotatably and slidably is connected to the suction hood 6. I have set up.

Therefore, the suction hood 6 can be freely rotated while being held by the fitted body 29 via the bellows contact portion 16C, and the angle of the suction hood 6 can be adjusted.

In the present embodiment, the droop length adjustment is an electric automatic adjustment, and the horizontal length and the hood direction / hood angle adjustment, which need to be finely adjusted frequently at a position close to the operating user, are manually operated. Although they are configured, they may be electrically driven or may be manually operated.

Further, in the present embodiment, the hanging conduit 4, the connecting conduit 5, and the suction hood 6 are connected as separate members, but any structure capable of adjusting the hanging length, the horizontal length, and the hood angle may be used. Each member may be integrally configured by a flexible conduit.

In the figure, reference numeral 13 is a retaining ring for preventing slipping off,
Reference numeral 18 is a sensor detection plate, 19 is a safety sensor for detecting the sensor detection plate 18 to prevent the motor 15 from taking up, feeding, and turning, and 20 is a drooping length adjusting operation switch.

[0033]

As described above, the present invention does not require a valuable floor installation space for installing various treatment devices around the treatment table because it is constructed in the hanging type as described above.

In addition, since the hanging length of the hanging conduit that hangs from the ceiling can be adjusted, it is possible to reverse V from the upper side to the conduit standing on the floor.
Compared to the conventional example in which a connecting conduit that is folded back in the shape of a letter is connected, unnecessary space space for folding back is not required, and the arms of other treatment devices are variously arranged in the space around the treatment table. However, it can be deployed without crossing it.

Further, according to the present invention, since the hanging length, the horizontal length and the hood angle are all adjustable, it is possible to surely suck the scattered matter to the mouth or the tooth cutting position of the dental patient at a position where the scattered matter can be sucked most accurately. It becomes a tooth cutting dust suction device that can be arranged with a hood and is extremely practical.

[Brief description of drawings]

FIG. 1 is a use state diagram of the present embodiment.

FIG. 2 is a front view of the present embodiment.

FIG. 3 is an enlarged cross-sectional view of the upper part of the present embodiment.

FIG. 4 is a schematic configuration diagram of a winding device.

FIG. 5 is an enlarged front view of a lower portion of this embodiment in a horizontal state.

FIG. 6 is an enlarged front view of the lower portion of the present embodiment in a folded V-shape when stored.

FIG. 7 is an enlarged plan view of a lower portion of the present embodiment in a left-right V-shaped bent state.

[Explanation of symbols]

 1 Dental patient 2 Top part 3 Top mount part 4 Hanging conduit 5 Horizontal conduit 6 Suction hood 7 Discharge pipe 16 Bellows joint part

Claims (1)

[Scope of utility model registration request] 1. A hanging conduit is hung vertically at a ceiling mounting portion to be mounted on a ceiling above a treatment position of a dental patient or above a tooth cutting position, and a connecting conduit is provided at a lower end of the hanging conduit with respect to the hanging conduit. Is provided in a right-angled connection state or an inclined connection state, and a bellows-shaped bellows joint portion is formed at least in the middle of this connection conduit, and the connection conduit is configured to be bendable at least in a f-shape so that the horizontal length can be adjusted. , A suction hood is provided at the tip of the connecting conduit so that the hood angle can be adjusted, and a discharge pipe arranged on the upper side of the ceiling is connected to the upper end of the hanging conduit. And the horizontal length of the connecting conduit is adjusted, the hood angle of the suction hood is adjusted to position the suction hood at the mouth of a dental patient or the upper part of the tooth to be cut. Suction apparatus.