CN216318736U - Suction head assembly capable of being converted into straight line and bent line, oral saliva aspirator and dental chair - Google Patents
Suction head assembly capable of being converted into straight line and bent line, oral saliva aspirator and dental chair Download PDFInfo
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- CN216318736U CN216318736U CN202122526441.3U CN202122526441U CN216318736U CN 216318736 U CN216318736 U CN 216318736U CN 202122526441 U CN202122526441 U CN 202122526441U CN 216318736 U CN216318736 U CN 216318736U
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Abstract
The utility model relates to the technical field of dental instruments, in particular to a suction head assembly capable of being converted into straight and bent, an oral cavity saliva aspirator and a dental chair, wherein the suction head assembly comprises a hollow connecting pipe and a rotary cylinder, the connecting pipe is provided with a joint pipe orifice arranged along the inclined direction, the rotary cylinder is provided with a rotary interface arranged along the parallel direction of the joint pipe orifice, the joint pipe orifice is rotatably connected with the rotary interface, the rotary cylinder is in an inclined frustum structure with a narrow top and a wide bottom, the rotary cylinder comprises a first bus and a second bus, a first included angle is formed between the first bus and the surface where the rotary interface is positioned, a second included angle is formed between the second bus and the surface where the rotary interface is positioned, a third included angle is formed between the lower end of the surface where the joint pipe orifice is positioned and the surface where the connecting pipe is positioned in the length direction, the sum of the first included angle and the third included angle is more than 180 degrees, the sum of the second included angle and the third included angle is within 180 degrees, and the quick switching between the straight state and the bent state of the suction head assembly can be realized only by rotating the rotary cylinder when in use, the use is convenient and fast.
Description
Technical Field
The utility model relates to the technical field of dental instruments, in particular to a suction head assembly capable of being converted into a straight shape and a bent shape, an oral cavity saliva aspirator and a dental chair.
Background
The oral cavity saliva aspirator is a common instrument in an oral cavity clinic, is usually arranged on a dental chair and is connected with a negative pressure pump, and can be used for aspirating water sprayed by a mobile phone and a tooth cleaner, aspirating and removing exudates and exudates in the oral cavity of a patient, assisting in carrying out operations such as treating area moisture isolation, pulling soft tissues in the oral cavity of the patient and the like in oral cavity clinical treatment operation.
The suction head of the existing oral saliva aspirator comprises two types of straight suction heads and bent suction heads, when the oral saliva aspirator is used, if the type of the suction head needs to be changed, the straight suction head or the bent suction head which is being used needs to be detached and then another type is installed, the change between the straight suction head and the bent suction head is inconvenient, and the efficiency of treatment operation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a suction head assembly, an oral cavity saliva aspirator and a dental chair which can be converted into a straight shape and a bent shape aiming at the prior technical situation.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a suction head subassembly that can turn straight and turn over, its characterized in that, the suction head subassembly includes hollow connecting pipe and a rotatory section of thick bamboo, the connecting pipe is equipped with the joint mouth of pipe that sets up along the incline direction, a rotatory section of thick bamboo is equipped with along the joint mouth of pipe parallel direction setting soon the interface, the joint mouth of pipe with revolve interface rotatable coupling, a rotatory section of thick bamboo is under the narrow oblique frustum structure of width, a rotatory section of thick bamboo includes first generating line and second generating line, first generating line and revolve and form first contained angle between the interface place face, the second generating line with revolve and form the second contained angle between the interface place face, the lower one end of joint mouth place face and connecting pipe length direction form the third contained angle between the place face, first contained angle and third contained angle sum are greater than 180, second contained angle and third contained angle sum are within 180.
Preferably, an opening is formed at the upper end of the rotary cylinder, a fourth included angle is formed between the surface where the opening is located and the second bus, and the fourth included angle is a right angle.
Preferably, the adapter nozzle protrudes outward to form a first cylindrical convex ring, the rotary nozzle protrudes outward to form a second cylindrical convex ring, and the first cylindrical convex ring is rotatably connected with the second cylindrical convex ring.
The utility model also provides an oral saliva sucker which comprises a handle and is characterized by also comprising the suction head assembly capable of being converted from straight to bent, wherein the handle is connected with the lower end of the connecting pipe.
Preferably, the handle is of a hollow columnar structure, a rotary hole is formed in the handle in a penetrating mode, the rotary hole is of a columnar structure, the axis of the rotary hole is perpendicular to the axis of the handle, a rotary valve core is arranged in the rotary hole, and a through hole used for being communicated with the inner cavity of the handle is formed in the rotary valve core along the axis of the handle.
Preferably, the handle comprises a screwed pipe section, the screwed pipe section is positioned on one side of the rotating hole close to the connecting pipe, and the screwed pipe section is screwed with the connecting pipe.
Preferably, a hemispherical filter screen is clamped in the screw joint pipe section, and a taking and placing rod is arranged at the center of the filter screen.
The utility model also provides a dental chair which is characterized by comprising the suction head assembly capable of being converted into straight bending.
The utility model also provides a dental chair which is characterized by comprising the oral saliva aspirator.
The utility model has the beneficial effects that:
according to the utility model, through the connecting pipe and the rotary cylinder which are rotatably connected, when the suction head assembly is used, the straight state and the bent state of the suction head assembly can be quickly switched by only rotating the rotary cylinder, so that the suction head assembly is convenient and quick to use, is applied to oral treatment operation, and effectively improves the operation efficiency.
Drawings
Figure 1 is an exploded view of the suction head assembly and handle of the present invention.
Fig. 2 is a schematic view of the suction head assembly of fig. 1 of the present invention in an assembled configuration with a handle.
Figure 3 is an exploded view of the suction head assembly of the present invention in combination with another handle.
Fig. 4 is a schematic view of the suction head assembly of fig. 3 of the present invention assembled with a handle.
Figure 5 is a schematic view of the tip assembly of the present invention in a straight configuration.
Figure 6 is a schematic view of the tip assembly of the present invention in a bent configuration.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
in the description of the present invention, it is to be understood that the terms "vertical", "upper end", "lower end", "vertical", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the scope of the present invention.
Example 1
Referring to fig. 1 to 6, a suction head assembly capable of being converted between straight and curved, wherein the suction head assembly 1 includes a hollow connection tube 2 and a rotation cylinder 3, the connection tube 2 is provided with a connection tube opening 21 arranged along an inclined direction, the rotation cylinder 3 is provided with a rotation opening 31 arranged along a direction parallel to the connection tube opening 21, the connection tube opening 21 and the rotation opening 31 are rotatably connected, the rotation cylinder 3 is in a tapered platform structure with a narrow top and a wide bottom, and the rotation cylinder 3 includes a first bus L1And a second bus bar L2Wherein the first bus bar L1May be the shortest bus of the rotary drum 3, the second bus L2May be the longest generatrix of the rotary cylinder 3, firstBus L1A first included angle alpha is formed between the first bus and the surface of the rotary joint 31, and a second bus L2A second included angle beta is formed between the surface of the rotary joint 31 and the lower end of the surface of the joint pipe orifice 21 and the surface of the connecting pipe 2 in the length direction, a third included angle gamma is formed between the first included angle alpha and the third included angle gamma, the sum of the first included angle alpha and the third included angle gamma is larger than 180 degrees, and the sum of the second included angle beta and the third included angle gamma is within 180 degrees (namely less than or equal to 180 degrees).
The principle of the utility model is as follows:
referring to fig. 5, when the straight state is required, the second bus bar L is connected2Rotating to the lower end of the joint pipe, wherein the sum of the second included angle beta and the third included angle gamma is within 180 degrees, the rotating cylinder 3 is in an inclined frustum structure with a narrow top and a wide bottom, and the opening 32 of the rotating cylinder 3 is arranged right above the connecting pipe 2 to form a straight suction head;
referring to fig. 6, when the bent state is required, the first bus bar L is bent1Rotating to the lower end of the joint pipe, wherein the sum of the first included angle alpha and the third included angle gamma is larger than 180 degrees, and the opening 32 of the rotating cylinder 3 is arranged obliquely above the connecting pipe 2 and is inclined to form a bent suction head.
According to the utility model, through the connecting pipe 2 and the rotary cylinder 3 which are rotatably connected, when the suction head component 1 is used, the straight state and the bent state of the suction head component 1 can be quickly switched only by rotating the rotary cylinder 3, the use is convenient and quick, and the suction head component is applied to oral treatment operation, so that the operation efficiency is effectively improved.
As a preferred embodiment of the present invention, the upper end of the rotary cylinder 3 is formed with an opening 32, and the surface of the opening 32 is in contact with the second bus L2A fourth included angle theta is formed between the first and second inclined angles theta, and the fourth included angle theta is a right angle.
In a preferred embodiment of the present invention, the adapter nozzle 21 protrudes outward to form a first cylindrical collar 22, the rotary joint 31 protrudes outward to form a second cylindrical collar, and the first cylindrical collar 22 is rotatably connected to the second cylindrical collar.
In one embodiment, the first cylindrical protruding ring 22 extends into the second cylindrical protruding ring to realize rotatable connection between the first cylindrical protruding ring and the second cylindrical protruding ring, and when the rotating cylinder 3 is rotated, the first cylindrical protruding ring 22 rotates in the second cylindrical protruding ring; in another embodiment, the second cylindrical protrusion ring extends into the first cylindrical protrusion ring 22, and when the rotary cylinder 3 is rotated, the second cylindrical protrusion ring rotates in the first cylindrical protrusion ring 22.
Example 2
An oral cavity saliva suction device comprises a handle 4 and a suction head assembly 1 which can be converted into straight and bent in embodiment 1, wherein the handle 4 is connected with the lower end of a connecting pipe 2, and the handle 4 and the connecting pipe 2 are preferably detachably assembled, such as screwed or spliced, so that any part of the suction head assembly 1 and the handle 4 can be conveniently replaced.
As a preferred embodiment of the present invention, the handle 4 is a hollow cylindrical structure, the handle 4 is provided with a rotation hole 42, the rotation hole 42 is a cylindrical structure, an axis of the rotation hole 42 is perpendicular to an axis of the handle 4, a rotation valve core 5 is arranged in the rotation hole 42, and the rotation valve core 5 is provided with a through hole 51 along an axis of the handle 4 for communicating with an inner cavity of the handle 4.
When the suction cup is used, the inner cavity of the handle 4 is respectively communicated with the suction head component 1 and the negative pressure pump, and the effects of opening and closing the oral cavity saliva sucker, adjusting the suction force and the like can be achieved by rotating the valve core 5.
As a preferred embodiment of the present invention, the handle 4 includes a screw-on pipe section 41, the screw-on pipe section 41 is located at one side of the rotation hole 42 close to the connection pipe 2, and the screw-on pipe section 41 is screw-connected with the connection pipe 2, in this embodiment, the screw-on pipe section 41 is provided with an external thread, and the inner wall of the connection pipe 2 is provided with an internal thread matching with the external thread.
As a preferred embodiment of the present invention, a hemispherical filter screen 6 is clamped in the screwed pipe section 41, a taking and placing rod is arranged at the center of the filter screen 6, the filter screen 6 with a curved surface structure has an excessively large effective filtering area relative to the filter screen 6 with a planar structure for filtering and intercepting large solid objects, and the taking and placing rod facilitates taking out the filter screen 6 from the screwed pipe section 41 or placing the filter screen into the screwed pipe section 41.
Example 3
A dental chair comprising a straight and curved convertible tip assembly 1 as described in embodiment 1.
Example 4
A dental chair comprising an oral saliva aspirator as described in example 2.
It should be understood that the above-mentioned drawings are merely illustrative of the preferred embodiments of the present invention, and that the scope of the utility model is not limited thereto.
Claims (9)
1. The utility model provides a suction head subassembly that can turn straight and turn over, its characterized in that, the suction head subassembly includes hollow connecting pipe and a rotatory section of thick bamboo, the connecting pipe is equipped with the joint mouth of pipe that sets up along the incline direction, a rotatory section of thick bamboo is equipped with along the joint mouth of pipe parallel direction setting soon the interface, the joint mouth of pipe with revolve interface rotatable coupling, a rotatory section of thick bamboo is under the narrow oblique frustum structure of width, a rotatory section of thick bamboo includes first generating line and second generating line, first generating line and revolve and form first contained angle between the interface place face, the second generating line with revolve and form the second contained angle between the interface place face, the lower one end of joint mouth place face and connecting pipe length direction form the third contained angle between the place face, first contained angle and third contained angle sum are greater than 180, second contained angle and third contained angle sum are within 180.
2. The convertible straight suction head assembly of claim 1, wherein the upper end of the rotating cylinder forms an opening, and a fourth included angle is formed between the surface of the opening and the second generatrix, and the fourth included angle is a right angle.
3. The right bend convertible nozzle assembly of claim 1 wherein said adapter nozzle projects outwardly to form a first cylindrical collar and said swivel nozzle projects outwardly to form a second cylindrical collar, said first cylindrical collar being rotatably coupled within said second cylindrical collar.
4. An oral saliva aspirator, comprising a handle, characterized in that it further comprises a straight-bend convertible suction head assembly according to any one of claims 1 to 3, said handle being connected to the lower end of said connecting tube.
5. The oral saliva aspirator of claim 4, wherein the handle is a hollow cylindrical structure, a rotation hole is formed in the handle in a penetrating manner, the rotation hole is of a cylindrical structure, the axis of the rotation hole is perpendicular to the axis of the handle, a rotation valve core is arranged in the rotation hole, and a through hole communicated with the inner cavity of the handle is formed in the rotation valve core along the axis of the handle.
6. The oral saliva aspirator of claim 5, wherein the handle includes a threaded section located on a side of the rotation hole adjacent the connecting tube, the threaded section being in threaded engagement with the connecting tube.
7. The oral saliva aspirator of claim 6, wherein the threaded pipe section has a hemispherical filter screen clamped therein, and a pick-and-place rod is provided at the center of the filter screen.
8. A dental chair comprising a straight convertible tip assembly according to any one of claims 1 to 3.
9. Dental chair, characterized in that it comprises an oral saliva aspirator according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122526441.3U CN216318736U (en) | 2021-10-20 | 2021-10-20 | Suction head assembly capable of being converted into straight line and bent line, oral saliva aspirator and dental chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122526441.3U CN216318736U (en) | 2021-10-20 | 2021-10-20 | Suction head assembly capable of being converted into straight line and bent line, oral saliva aspirator and dental chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216318736U true CN216318736U (en) | 2022-04-19 |
Family
ID=81179030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122526441.3U Active CN216318736U (en) | 2021-10-20 | 2021-10-20 | Suction head assembly capable of being converted into straight line and bent line, oral saliva aspirator and dental chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216318736U (en) |
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2021
- 2021-10-20 CN CN202122526441.3U patent/CN216318736U/en active Active
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