CN216985198U

CN216985198U - Dental sand blasting gun

Info

Publication number: CN216985198U
Application number: CN202220387682.6U
Authority: CN
Inventors: 姚晓
Original assignee: Foshan Dengtuo Medical Devices Co ltd
Current assignee: Foshan Dengtuo Medical Devices Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-19
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a dental sand blasting gun, which comprises an accommodating part, wherein the accommodating part comprises an accommodating cavity penetrating along the left and right directions, the accommodating cavity is provided with a left opening and a right opening, a left cover body is installed on the left opening, a right cover body is installed on the right opening, the left cover body and the right cover body respectively comprise an observation cover, the observation cover is provided with a transparent part, and at least one of the left cover body and the right cover body is detachably connected with the accommodating part. The sand quantity monitoring device can enable an operator to visually see the internal condition of the accommodating cavity from different directions, and particularly, when the operator replaces and holds the accommodating cavity by the left hand and the right hand, the sand quantity in the accommodating cavity can be quickly checked.

Description

Dental sand blasting gun

Technical Field

The utility model relates to the field of sand blasting and tooth cleaning, in particular to a sand blasting gun.

Background

The dental sand-blasting gun is a dental cleaning device which uses special sand-blasting dentifrice, uses high-pressure air flow to spray the sand-blasting dentifrice to the tooth surface to remove dental plaque and pigment, and compressed air is delivered into a dentifrice containing cavity of the sand-blasting gun, mixed with the dentifrice in the cavity and then sprayed out from a nozzle to be distributed to a patient.

However, when a doctor performs an operation, the left hand or the right hand may be used to operate the sand-blasting gun, and when the sand-blasting chamber is randomly placed after not being used, the observation window may also be placed in a direction that cannot be observed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a dental blasting gun that solves one or more of the problems of the prior art and provides at least one of the advantages of the present invention.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a dental sand blasting gun which comprises an accommodating part, wherein the accommodating part comprises an accommodating cavity penetrating along the left-right direction, the accommodating cavity is provided with a left opening and a right opening, a left cover body is installed on the left opening, a right cover body is installed on the right opening, the left cover body and the right cover body respectively comprise an observation cover, the observation cover is provided with a transparent part, and at least one of the left cover body and the right cover body is detachably connected with the accommodating part.

The utility model has the beneficial effects that: the left cover body and the right cover body are provided with transparent regions, so that an operator can visually see the internal condition of the accommodating cavity from different directions, and particularly, when the operator replaces the left hand and the right hand to grip for use, the sand amount in the accommodating cavity can be quickly checked.

As a further improvement of the above technical solution, a lock ring is provided on a detachable cover of the left cover and the right cover, the lock ring is provided with an internal thread, and the detachable cover is detachably connected to the receiving portion by a threaded connection.

As a further improvement of the technical scheme, the outer edge of the observation cover is provided with a connecting ring, and the outer end of the locking ring is provided with a pressing ring for buckling the connecting ring.

As a further improvement of the technical scheme, the observation cover and the lock ring are of an integrated structure, a plane buckled and pressed on the containing cavity is arranged in the detachable cover body, the plane is used for preventing tooth powder from leaking from a threaded connection part, the integrated structure can prevent leakage between a matching surface of the split observation cover and the lock ring, and the sealing effect is further improved.

As a further improvement of the above technical solution, an outer end face of the observation cover is provided as a flat face. Like this dentistry sand blasting gun when placing on the mesa when adding the dentifrice, places the plane lid in the mesa, can avoid rocking of sand blasting gun, and the operation is more convenient.

As a further improvement of the technical scheme, an air inlet pipe is arranged in the accommodating part, and an air path one-way check valve is installed on the air inlet pipe. The one-way check valve of the gas circuit plays a role in preventing suck-back, and can avoid cross infection of patients.

As a further improvement of the technical scheme, the air path one-way check valve is a silica gel anti-suck-back sleeve.

As a further improvement of the technical scheme, a water supply channel is arranged in the accommodating part, and a waterway one-way check valve is installed on the water supply channel. The one-way check valve of water route plays the effect of preventing the suck-back, can avoid patient cross infection.

As a further improvement of the technical scheme, the waterway one-way check valve is a silica gel anti-suck-back sleeve.

As a further improvement of the technical scheme, the accommodating part comprises a front connecting rod and a rear connecting rod which are connected with the accommodating cavity, and the connecting parts of the front connecting rod, the rear connecting rod and the accommodating cavity are in arc shapes. When a user holds the sand blasting gun, the tiger's mouth of the hand is in contact with the arc shape of the joint, so that the comfort level can be increased, and the fatigue is reduced.

Drawings

The utility model is further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic view of an outer housing structure of a dental blast gun according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the receiving part according to the embodiment of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic sectional view taken along a-a in fig. 3.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Example 1:

the dental sand blasting gun of the embodiment is described with reference to fig. 1-2, and comprises a connector 130, a containing part 100, a connecting sleeve 110 and a nozzle 120 which are connected in sequence, wherein the containing part 100 comprises a containing cavity 101 for containing dentifrice, and a front connecting rod 102 and a rear connecting rod 103 which are connected with the containing cavity 101, the front connecting rod 102 and the rear connecting rod 103 are arranged at an included angle, and the joints of the front connecting rod 102, the rear connecting rod 103 and the containing cavity 101 are in the shape of circular arcs.

An air inlet pipe 140, a sand outlet pipe 150 and a water supply channel 160 are further arranged in the accommodating part 100, the air inlet pipe 140 penetrates through the rear connecting rod 103, one end of the air inlet pipe is communicated with the connector 130, and the other end of the air inlet pipe extends into an internal cavity of the accommodating cavity 101; the sand outlet pipe 150 penetrates through the front connecting rod 102, one end of the sand outlet pipe is communicated with the spray head 120, the other end of the sand outlet pipe extends into an internal cavity of the accommodating cavity 101, the connector 130 introduces compressed air into the accommodating cavity 101, and after the dentifrice and the compressed air are fully mixed in the accommodating cavity 101, the compressed air drives the dentifrice to be sprayed out through the sand outlet pipe 150; in addition, the water supply passage 160 is inserted into the entire receiving part 100, and one end of the water supply passage 160 is connected to the connector 130, and the other end is communicated with the nozzle 120, and the connector 130 introduces water into the water supply passage 160 and sprays the water from the nozzle 120 to clean teeth.

The inner cavity of the accommodating cavity 101 is a cylindrical through hole structure penetrating along the left-right direction, referring to fig. 3 and 4, the left opening and the right opening of the accommodating cavity 101 are respectively connected with the cover body, the cover body comprises a left cover body 170 and a right cover body 171, the left cover body 170 and the right cover body 171 both comprise an observation cover 180 and a lock ring 190, the observation cover 180 comprises an observation part located at the outer end and a lock ring 181 located at the inner end, the lock ring 181 is arranged at the outer edge of the observation cover, part of the area of the observation part is of a transparent structure, and because the left cover body and the right cover body are both provided with transparent areas, an operator can visually see the inner condition of the accommodating cavity 101 from different directions, and particularly when the operator replaces and holds the accommodating cavity with the left hand or the right hand, the sand amount in the accommodating cavity 101 can be quickly viewed.

The locking ring 190 comprises a threaded connection portion 192 located at the inner end and a pressing ring 191 located at the outer end, the threads are internal threads, a connection portion 210 is convexly arranged at the opening end of the accommodating cavity 101 and connected with the locking ring, the inner diameter of the pressing ring 191 is smaller than the inner diameter of the threaded connection portion 192 and larger than the outer diameter of the observation portion of the observation cover 180, the locking ring 190 is sleeved on the observation cover 180, the outer end of the observation cover 180 penetrates out of the pressing ring 191, and the pressing ring 191 is buckled on the connecting ring 181. When the cover body is installed, the lock ring 190 is rotated, the inner end face of the connecting ring 181 of the observation cover is buckled and pressed on the connecting part 210, and the sealing gasket 200 is further arranged between the inner end face of the connecting ring 181 and the opposite face of the connecting part 210, so that the sealing performance of the cover body connection can be improved.

Note that in the description of the present embodiment, the "outer end" refers to a direction away from the middle position with reference to the middle symmetry plane of the left cover 170 and the right cover 171; the "inner end" is the direction closer to the middle position.

In addition, the locking ring 190 is also provided with an annular groove for fixing the sealing gasket 200, and the observation cover 180 and the sealing gasket 200 are assembled with the locking ring 190 in sequence and then integrally connected with the accommodating cavity 101, so that the assembly efficiency and the sealing effect can be further improved.

The lock ring 190 and the observation cover 180 can be made of the same material or different materials, and the reliability of threaded connection can be better ensured by adopting the metal material for the lock ring 190.

In addition, the outer side surface of the observation part of the observation cover 180 is arranged to be a plane, so that when the dental sand blasting gun is placed on the table top to add tooth powder, the plane cover body is placed on the table top, the sand blasting gun can be prevented from shaking, and the operation is more convenient and faster.

Further, referring to fig. 2, an air path one-way check valve 220 is installed at an inlet end where the air inlet pipe 140 is connected with the connector 130, a water path one-way check valve 230 is installed at an inlet end where the water supply channel 160 is connected with the connector 130, the air path one-way check valve and the water path one-way check valve both adopt silica gel anti-suck-back sleeves, a normally closed opening and closing port is arranged at an outlet of the silica gel anti-suck-back sleeve, when compressed air and water are introduced from the connector 130, the opening and closing port of the silica gel anti-suck-back sleeve is opened, and the compressed air and the water normally enter the air inlet pipe 140 and the water supply channel 160; when compressed air and water stop supplying, the opening and closing mouth of the silica gel anti-suck-back sleeve is closed, so that the anti-suck-back effect is achieved, and the cross infection of patients is avoided.

Example 2:

the difference between this embodiment and embodiment 1 is that the left cover 170 and the right cover 171 are integrally formed, the observation cover and the lock ring are integrally formed, and a plane that is fastened and pressed on the connecting portion 210 of the accommodating cavity 101 is further provided in the cover, so that the leakage of dentifrice from the threaded connection can be avoided, the leakage between the fitting surfaces of the observation cover and the lock ring in embodiment 1 can be avoided, and the sealing effect is further improved.

Example 3:

this embodiment is different from embodiment 1 in that one of the left cover 170 and the right cover 171 is detachably attached to the accommodation chamber 101, the other is fixedly attached to the accommodation chamber 101 and is not detachable, the non-detachable cover does not include a lock ring, and the observation cover is directly fixedly disposed on the accommodation chamber 101.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. The utility model provides a dentistry sand blasting gun which characterized in that: including holding portion (100), holding portion (100) include holding cavity (101) that run through along left right direction, holding cavity (101) are provided with left side opening and right side opening, left lid (170) are installed to the left side opening, right lid (171) are installed to the right side opening, left side lid (170) and right lid (171) all include observation lid (180), it is provided with transparent portion to observe lid (180), at least one in left side lid (170) and the right lid (171) with holding portion (100) can dismantle the connection.

2. The dental blast gun of claim 1, wherein: the detachable cover body of the left cover body (170) and the right cover body (171) is provided with a locking ring (190), the locking ring (190) is provided with internal threads, and the detachable cover body is detachably connected to the accommodating part (100) through threaded connection.

3. The dental blast gun of claim 2, wherein: the outer edge of the observation cover (180) is provided with a connecting ring (181), and the outer end of the locking ring (190) is provided with a pressing ring (191) which is used for buckling the connecting ring (181).

4. The dental blast gun of claim 2, wherein: the observation cover (180) and the lock ring (190) are of an integral structure, and a plane buckled on the containing cavity (101) is arranged in the detachable cover body.

5. The dental blast gun of claim 1, wherein: the outer end face of the observation cover (180) is arranged to be a plane.

6. The dental blast gun of claim 1, wherein: an air inlet pipe (140) is arranged in the accommodating part (100), and an air path one-way check valve (220) is installed on the air inlet pipe (140).

7. The dental blast gun of claim 6, wherein: the gas circuit one-way check valve (220) is a silica gel anti-suck-back sleeve.

8. The dental blast gun of claim 1, wherein: a water supply channel (160) is arranged in the accommodating part (100), and a waterway one-way check valve (230) is installed in the water supply channel (160).

9. The dental blast gun of claim 8, wherein: the waterway one-way check valve (230) is a silica gel anti-suck-back sleeve.

10. The dental blast gun of claim 1, wherein: the accommodating part (100) comprises a front connecting rod (102) and a rear connecting rod (103) which are connected with the accommodating cavity (101), and the connecting parts of the front connecting rod (102), the rear connecting rod (103) and the accommodating cavity (101) are in arc shapes.