CN211852842U - Self-sealing valve for water tank of dental scaler - Google Patents
Self-sealing valve for water tank of dental scaler Download PDFInfo
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- CN211852842U CN211852842U CN202020372184.5U CN202020372184U CN211852842U CN 211852842 U CN211852842 U CN 211852842U CN 202020372184 U CN202020372184 U CN 202020372184U CN 211852842 U CN211852842 U CN 211852842U
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Abstract
The utility model relates to a self-sealing valve of a water tank of a dental scaler, which comprises an installation cylinder arranged on the bottom wall of the water tank, a valve core, a spring, a valve core sealing ring and a connecting sleeve, wherein an installation cylinder inner ring platform is arranged in the installation cylinder, the interior of the installation cylinder is divided into a cylindrical cavity and a horn-shaped cavity communicated with the interior of the water tank by the installation cylinder inner ring platform, the front end of the valve core is provided with an annular groove, the valve core sealing ring is arranged in the annular groove, the outer diameter of the valve core sealing ring is larger than the inner diameter of the installation cylinder inner ring platform, the tail end of the valve core is convexly provided with a spring supporting block, the connecting sleeve is in splicing fit with the installation cylinder, the inner end of the connecting sleeve is provided with a valve core tip cone, the bottom end of the connecting sleeve is provided with a water outlet, the spring is sleeved on the valve core during assembly, the front end of the spring is abutted against the, the cylindrical cavity and the horn-shaped cavity are isolated by the valve core sealing ring.
Description
Technical Field
The utility model relates to the technical field of dental medical auxiliary equipment, in particular to a self-sealing valve for a water tank of a dental scaler.
Background
The ultrasonic dental treatment equipment is equipment for dental clinical scaling and operation, and its kinds include ultrasonic tooth cleaner, ultrasonic periodontal therapeutic equipment and ultrasonic bone cutting operation equipment, etc. in the tooth cleaner, in order to conveniently change water and clean water tank, the water tank of tooth cleaner is generally designed into a structure which can be separated from the main machine of tooth cleaner, when the main machine is taken out from the water tank, in order to prevent the water in the water tank from leaking out, a self-sealing valve is required, and when the water tank is taken out, the water outlet is sealed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a scaler water tank self-sealing valve that simple structure, sealed effect are excellent.
In order to solve the technical problem, the utility model provides a dental scaler water tank self-sealing valve, including the installation section of thick bamboo, case, spring, case sealing washer and the adapter sleeve of arranging in the water tank diapire, set up installation section of thick bamboo inner ring platform in the installation section of thick bamboo, divide into the tube-shape cavity and with the communicating tubaeform cavity in the water tank by installation section of thick bamboo inner ring platform in the installation section of thick bamboo, the front end of case sets up the annular, the case sealing washer is arranged in the annular, the external diameter of case sealing washer is greater than the internal diameter of installation section of thick bamboo inner ring platform, the tail end protrusion of case sets up the spring supporting shoe, the adapter sleeve cooperates with the installation section of thick bamboo in the grafting, and the protruding case apex cone that sets up in the adapter sleeve, the bottom of adapter sleeve sets up the delivery port, the spring cup joints on the case during the assembly, the front end and the installation section of thick bamboo inner ring platform butt of spring, the tail end and the, the cylindrical cavity and the horn-shaped cavity are isolated by the valve core sealing ring, the installation cylinder is inserted into the connecting sleeve during use, the valve core is pushed by the valve core tip cone to move, the spring is compressed, the valve core sealing ring is separated from the inner ring platform of the installation cylinder, the horn-shaped cavity is communicated with the cylindrical cavity, water in the water tank enters the connecting sleeve and flows out from the water outlet, when the connecting sleeve is separated from the installation cylinder, the valve core which is pushed by external force is reset under the action of the spring, and the cylindrical cavity is isolated from the horn-shaped cavity by resetting the valve core sealing ring.
Further, the self-sealing valve of the water tank of the dental scaler further comprises an installation cylinder sealing ring, and the installation cylinder sealing ring is arranged between the outer wall of the installation cylinder and the inner wall of the connecting sleeve after the installation cylinder is in splicing fit with the connecting sleeve.
Further, the outer wall of the installation cylinder is provided with a ring groove for placing an installation cylinder sealing ring.
Furthermore, the water outlet penetrates along the valve core tip cone, and a water outlet opening is formed in the side wall of the valve core tip cone, so that water in the cylindrical cavity enters the water outlet through the water outlet opening.
Furthermore, 4 spring support blocks are uniformly distributed at the tail end of the valve core along the circumferential direction, and a water passing groove extending along the axial direction of the valve core is arranged between every two adjacent spring support blocks.
Furthermore, the edge of the spring supporting block is arranged in an arc shape, so that the edge of the spring supporting block is in sliding fit with the inner wall of the mounting cylinder, and the valve core can move conveniently.
Furthermore, the front end of the connecting sleeve is provided with an annular connecting sleeve protection plate in a protruding mode along the circumferential direction, and the connecting sleeve protection plate is abutted to the bottom wall of the water tank after the installation cylinder is matched with the connecting sleeve in an inserting mode.
Furthermore, an inner groove is formed in the bottom wall of the water tank along the edge of the horn-shaped cavity, so that water in the water tank can conveniently enter the horn-shaped cavity.
The technical effects of the utility model are that: (1) compared with the prior art, the self-sealing valve for the water tank of the dental scaler is convenient to install because the installation cylinder is matched with the connecting sleeve in a splicing way; (2) the valve core is driven by a spring and can automatically reset when the top cone of the valve core is removed; (3) the arrangement of the ring groove is convenient for assembling and limiting the valve core sealing ring; (4) the edge of the spring supporting block is arranged in an arc shape, so that the valve core can slide conveniently while the supporting function is realized; (5) the sealing ring of the mounting cylinder is arranged, so that the connecting sleeve and the mounting cylinder can be sealed.
Drawings
The invention will be described in further detail with reference to the accompanying drawings:
FIG. 1 is a schematic sectional view of a self-sealing valve of a water tank of a dental scaler according to the present invention;
FIG. 2 is an exploded view of the self-sealing valve of the water tank of the dental scaler according to the present invention;
FIG. 3 is a schematic sectional view of the self-sealing valve of the water tank of the dental scaler after being disassembled;
FIG. 4 is a schematic cross-sectional view of the mounting cartridge and tank bottom wall;
FIG. 5 is a schematic perspective view of the valve cartridge;
in the figure:
a water tank bottom wall 1, an installation barrel 11, an installation barrel inner ring platform 12, a first ring groove 13, a second ring groove 14, a cylindrical cavity 15, a horn-shaped cavity 16, an inner groove 17,
a connecting sleeve 2, a water outlet 21, a valve core tip cone 22, a water outlet gap 23, a connecting sleeve guard plate 24, a connecting sleeve cylinder 25 and a groove 26,
the valve core 3, the ring groove 31, the valve disc 32, the water passing groove 33, the spring supporting block 34,
Detailed Description
Example 1
As shown in fig. 1 to 5, the self-sealing valve for a water tank of a dental scaler according to the embodiment includes an installation cylinder 11, a valve core 3, a spring 4, a valve core sealing ring 5 and a connection sleeve 2, which are disposed on a bottom wall 1 of the water tank, an inner annular table 12 of the installation cylinder is disposed in the installation cylinder 11, the inner portion of the installation cylinder 11 is divided into a cylindrical cavity 15 and a trumpet-shaped cavity 16 communicated with the inside of the water tank by the inner annular table 12 of the installation cylinder, and an inner groove 17 is disposed on the bottom wall 1 of the water tank along an edge of the trumpet-shaped cavity 16, so that water.
The front end of the cylindrical valve core 3 is provided with a ring groove 31, so that the front end of the valve core 3 forms a valve disc 32 at the front end of the ring groove 31; 4 spring supporting blocks 34 are uniformly distributed at the tail end of the valve core 3 along the circumferential direction, and a water passing groove 33 extending along the axial direction of the valve core 3 is arranged between the adjacent spring supporting blocks 34; the edge of the spring supporting block 34 is arranged in an arc shape, so that the edge of the spring supporting block 34 is in sliding fit with the inner wall of the mounting cylinder 11, the valve core sealing ring 5 is arranged in the annular groove 31, the outer diameter of the valve core sealing ring 5 is larger than the inner diameter of the annular table 11 in the mounting cylinder, the connecting sleeve 2 comprises a connecting sleeve body 25 in splicing fit with the mounting cylinder 11, a valve core tip cone 22 is arranged in the connecting sleeve body 25 in a protruding mode, and a groove 26 is arranged at the top end of the connecting sleeve body 25, so that the connecting sleeve 2 is in splicing fit with; the bottom end of the connecting sleeve cylinder 25 is provided with a water outlet 21, the water outlet 21 penetrates along the valve core tip cone 22, and the side wall of the valve core tip cone 22 is provided with a water outlet notch 23, so that water in the cylindrical cavity 15 enters the water outlet 21 through the water outlet notch 23; the front end of the connecting sleeve 2 is provided with an annular connecting sleeve guard plate 24 in a protruding mode along the circumferential direction, and the connecting sleeve guard plate 24 is abutted to the bottom wall 1 of the water tank after the installation cylinder 11 is matched with the connecting sleeve 2 in an inserting mode.
The outer wall of the mounting cylinder 11 is provided with a first annular groove 13 and a second annular groove 14 for placing mounting cylinder sealing rings, the spring 4 is sleeved on the valve core 3 during assembly, the front end of the spring 4 is abutted against the mounting cylinder inner annular table 1, the tail end of the spring 4 is abutted against the spring supporting block 34, the front end of the valve core 3 penetrates through the mounting cylinder inner annular table 12, the valve core sealing ring 5 in the annular groove 31 is arranged in the horn-shaped cavity 16 and is in sealing fit with the mounting cylinder inner annular table 12, the cylindrical cavity 15 and the horn-shaped cavity 16 are isolated by the valve core sealing ring 5, and the first annular groove 13 and the second annular groove 14 are respectively provided with a first sealing ring 6 and a second sealing ring 7 which are used as mounting cylinder sealing rings; when the connecting sleeve 2 is used, the mounting cylinder 11 is inserted into the connecting sleeve cylinder 25 of the connecting sleeve 2, the first sealing ring 6 and the second sealing ring 7 are arranged between the outer wall of the mounting cylinder 11 and the inner wall of the connecting sleeve 2, the valve core 3 is pushed by the valve core tip cone 22 to move, the spring 4 is compressed, the valve core sealing ring 5 is separated from the inner ring platform 12 of the mounting cylinder, the horn-shaped cavity 16 is communicated with the cylindrical cavity 15, water in the water tank enters the connecting sleeve 2 and flows out from the water outlet 21, when the connecting sleeve 2 is separated from the mounting cylinder 11, the valve core 3 which is pushed by external force is reset under the action of the spring 4, and the cylindrical cavity 15 is separated.
It should be understood that the above examples are only for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And that obvious changes and modifications may be made without departing from the spirit of the invention.
Claims (8)
1. A self-sealing valve for a water tank of a dental scaler is characterized by comprising an installation cylinder, a valve core, a spring, a valve core sealing ring and a connecting sleeve which are arranged on the bottom wall of the water tank, wherein an installation cylinder inner ring platform is arranged in the installation cylinder, the interior of the installation cylinder is divided into a cylindrical cavity and a horn-shaped cavity communicated with the interior of the water tank by the installation cylinder inner ring platform, the front end of the valve core is provided with an annular groove, the valve core sealing ring is arranged in the annular groove, the outer diameter of the valve core sealing ring is larger than the inner diameter of the installation cylinder inner ring platform, the tail end of the valve core is convexly provided with a spring supporting block, the connecting sleeve is in plug-in fit with the installation cylinder, the inner end of the connecting sleeve is provided with a valve core tip cone, the bottom end of the connecting sleeve is provided with a water outlet, the spring is sleeved on the valve core during assembly, the front end of the spring is abutted against the spring, the cylindrical cavity and the horn-shaped cavity are isolated by the valve core sealing ring.
2. The self-sealing valve for the water tank of the dental scaler according to claim 1, further comprising a mounting cylinder sealing ring, wherein the mounting cylinder sealing ring is arranged between the outer wall of the mounting cylinder and the inner wall of the connecting sleeve after the mounting cylinder is in inserted fit with the connecting sleeve.
3. The self-sealing valve for the water tank of the dental scaler according to claim 2, wherein the outer wall of said mounting cylinder is provided with a ring groove for placing a sealing ring of the mounting cylinder.
4. The self-sealing valve for the water tank of the dental scaler according to any one of claims 1 to 3, wherein the water outlet is penetratingly disposed along the valve core tip cone, and a water outlet slit is disposed on a side wall of the valve core tip cone, so that water in the cylindrical cavity enters the water outlet through the water outlet slit.
5. The self-sealing valve for the dental scaler water tank according to claim 4, wherein 4 spring support blocks are uniformly distributed at the tail end of the valve core along the circumferential direction, and a water passing groove extending along the axial direction of the valve core is arranged between the adjacent spring support blocks.
6. The scaler water tank self-sealing valve of claim 5, wherein the edge of said spring support block is arcuately configured such that the edge of the spring support block is a sliding fit with the inner wall of the mounting cylinder.
7. The self-sealing valve for the water tank of the dental scaler according to claim 6, wherein the front end of the connecting sleeve is provided with an annular connecting sleeve guard plate in a protruding manner along the circumferential direction, and the connecting sleeve guard plate is abutted against the bottom wall of the water tank after the mounting cylinder is in inserted fit with the connecting sleeve.
8. The self-sealing valve for a dental scaler water tank of claim 7, wherein an inner groove is provided on the bottom wall of the water tank along the edge of the trumpet-shaped cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020372184.5U CN211852842U (en) | 2020-03-21 | 2020-03-21 | Self-sealing valve for water tank of dental scaler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020372184.5U CN211852842U (en) | 2020-03-21 | 2020-03-21 | Self-sealing valve for water tank of dental scaler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211852842U true CN211852842U (en) | 2020-11-03 |
Family
ID=73135620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020372184.5U Active CN211852842U (en) | 2020-03-21 | 2020-03-21 | Self-sealing valve for water tank of dental scaler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211852842U (en) |
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2020
- 2020-03-21 CN CN202020372184.5U patent/CN211852842U/en active Active
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