CN214908482U - Dental light-cured hand-held machine - Google Patents
Dental light-cured hand-held machine Download PDFInfo
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- CN214908482U CN214908482U CN202022015476.6U CN202022015476U CN214908482U CN 214908482 U CN214908482 U CN 214908482U CN 202022015476 U CN202022015476 U CN 202022015476U CN 214908482 U CN214908482 U CN 214908482U
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Abstract
The utility model discloses a handheld machine of dentistry photocuring. Relates to a dental medical instrument, in particular to an improvement of a rotary functional mode conversion structure of a hand-held part of a dental light curing machine. The dental photocuring handset with small volume and no keys on the surface of the photocuring handset comprises a body and a mode switching mechanism, wherein the mode switching mechanism is arranged at the tail part of the body and comprises a shell, a battery assembly is arranged at the tail part of the shell, a switching module is arranged at the top of the shell and comprises at least one positioning hole and an elastic positioning piece; the shell is provided with the indication mark to replace the key function, so that keys are reduced, and wrong pressing in the operation process is avoided. The whole battery assembly is arranged in the shell, the thimble connected with the battery assembly supplies power to different modules of the circuit board, and only the plug is needed to be replaced when the battery assembly needs to be replaced, so that the battery is more convenient to replace.
Description
Technical Field
The utility model relates to a dental medical instrument, in particular to an improvement of a rotary functional mode conversion structure of a hand-held part of a dental light curing machine.
Background
At present, when a handheld part (called as a photocuring handheld machine for short) of a dental photocuring machine is used, because keys on the photocuring handheld machine are more, the photocuring handheld machine is extremely easy to be pressed by mistake or the pressed position is inaccurate, and the existing photocuring handheld machine is large in size and inconvenient to hold.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a rotary function mode conversion structure of a dental photocuring hand-held machine which is small in size and has no button on the surface of the photocuring hand-held machine
The utility model discloses a following technical scheme realizes: a dental photocuring handset comprises a body and a mode switching mechanism, wherein the mode switching mechanism is arranged at the tail part of the body and comprises a shell, a battery assembly is arranged at the tail part of the shell, a switching module is arranged at the top part of the shell and comprises at least one positioning hole and an elastic positioning piece;
the positioning holes are formed in the side wall of the top of the shell, the elastic positioning pieces are clamped in one of the positioning holes when the battery assembly is inserted into the tail of the body, and the elastic positioning pieces are clamped in different positioning holes in a one-to-one correspondence mode when the shell rotates.
The terminal of body is equipped with the circuit board, be equipped with the thimble on battery pack's the up end, the thimble with battery pack's electric core is connected, works as battery pack inserts when the afterbody of body the thimble with binding post on the circuit board closely laminates and works as when elastic positioning element card is in the locating hole of difference the thimble with the binding post laminating of difference on the circuit board.
The elastic positioning piece is arranged in the spring at the tail end of the body, one end of the spring is arranged in the body along the diameter direction, and the other end of the spring fixes the steel ball which is clamped in one of the positioning holes under the elastic force action of the spring.
The steel ball bearing is characterized in that a containing groove is formed in the side wall of the body along the diameter direction of the body, the spring is arranged in the containing groove, an inward bend is formed in a groove opening of the containing groove, the steel ball is attached to the bent inner side wall under the elastic force action of the spring, and the outer edge of the steel ball protrudes out of the groove opening of the containing groove.
The steel ball bearing is characterized in that an annular limiting groove is formed in the inner wall of the shell along the upper edge of the shell, the locating hole is formed in the bottom of the limiting groove, and the steel ball penetrates through the limiting groove and is clamped in one locating hole.
The tail of the body is provided with a guide sleeve which extends outwards along the axis direction of the body, the shell is provided with a limiting table, and when the mode switching mechanism is inserted into the tail of the body, the end face of the guide sleeve is attached to the end face of the limiting table.
The tail of the shell is provided with an indicating mark, and the tail of the guide sleeve is provided with an arrow mark pointing to the indicating mark.
Compared with the prior art, the utility model discloses a structure of plug-in type reduces the area that the button occupy on the casing, just can make whole casing reduce for whole handheld machine realizes miniaturizedly, and is portable. The thimble supplies power to different modules on the circuit board through the cooperation of the elastic positioning piece and the positioning hole, so that different functions are realized, and the shell is provided with the indicating mark to replace the key function, so that keys are reduced, and wrong pressing in the operation process is avoided. Function switching is more accurate swift. Because whole volume reduces, consequently battery pack's capacity also reduces thereupon, for the ease of changing battery pack, whole battery pack arranges the casing in, gives the power supply of the different modules of circuit board through the thimble that links to each other with battery pack, only need when needs to be changed the plug change can, it is more convenient to change the battery.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the detachable state of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
in the figure: 1. a mode switching mechanism; 10. a battery assembly; 11. a thimble; 12. a housing; 2. a body; 21. A circuit board; 3. a conversion module; 31. a spring; 32. steel balls; 33. positioning holes; 34. a limiting groove; 4. A guide sleeve; 5. an indicator mark; 6. arrows are marked.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1-5, a dental light-curing hand piece comprises a body 2 and a mode switching mechanism 1, wherein the mode switching mechanism 1 is arranged at the tail part of the body 2, the mode switching mechanism 1 comprises a shell 12, a battery assembly 10 is arranged at the tail part of the shell 12, a switching module 3 is arranged at the top part of the shell 12, and the switching module 3 comprises at least one positioning hole 33 and an elastic positioning piece; the positioning holes 33 are formed in the side wall of the top of the housing 12, the elastic positioning members are clamped in one of the positioning holes 33 when the battery assembly 10 is inserted into the tail of the body 2, and the elastic positioning members are correspondingly clamped in different positioning holes 33 when the housing rotates.
The terminal of body 2 is equipped with circuit board 21, be equipped with thimble 11 on the up end of battery pack 10, thimble 11 with battery pack 10's electric core is connected, works as battery pack 10 inserts when the afterbody of body 2 thimble 11 with binding post on the circuit board 21 closely laminates and works as when elastic positioning element card is in different locating hole 33 thimble 11 with different binding post laminating on the circuit board 21. After the battery assembly 10 is inserted into the body 2, the steel balls 32 are abutted by the springs 31, the positioning holes 33 are clamped and positioned, positioning holes 33 in multiple directions are provided, the electric core of the battery assembly 10 is connected with the ejector pin 11, the ejector pin 11 is contacted with the circuit board 21, the shell 12 is rotated to enable the battery to rotate to different directions, the steel balls 32 are clamped into the positioning holes 33 in a certain direction, so that the ejector pin 11 is contacted with different wiring terminals on the circuit board 21, different function modes can be realized, different indication marks 5 are arranged on the shell 12, when the battery assembly 10 is rotated, different indication marks 5 can be used for marking the arrow marks 6 on the guide sleeve 4, and the functions of the dental light-curing handset are realized. The area occupied by the keys on the shell 12 is reduced through the plug-in structure, so that the whole shell 12 is reduced, and the whole handset is miniaturized and portable. The thimble 11 supplies power to different modules on the circuit board 21 through the cooperation of the elastic positioning piece and the positioning hole 33, so as to realize different functions, and the shell 12 is provided with the indication mark 5 to replace the key function, so that the keys are reduced, and wrong pressing in the operation process is avoided. Function switching is more accurate swift. Because the whole volume is reduced, the capacity of the battery assembly 10 is reduced, in order to facilitate the replacement of the battery assembly 10, the whole battery assembly 10 is arranged in the shell 12, different modules of the circuit board 21 are supplied with power through the ejector pins 11 connected with the battery assembly 10, only plugging and replacing are needed when the battery assembly 10 needs to be replaced, and the replacement of the battery is more convenient.
The elastic positioning piece is arranged in a spring 31 at the tail end of the body 2, one end of the spring 31 is arranged in the body 2 along the diameter direction, the other end of the spring 31 fixes a steel ball 32, and the steel ball 32 is clamped in one of the positioning holes 33 under the elastic force action of the spring 31. The side wall of the body 2 is provided with a containing groove along the diameter direction of the body 2, the spring 31 is arranged in the containing groove, a notch of the containing groove is provided with an inward bend, the steel ball 32 is attached to the bent inner side wall under the elastic force action of the spring 31, and the outer edge of the steel ball 32 protrudes out of the notch of the containing groove. An annular limiting groove 34 is formed in the inner wall of the shell 12 along the upper edge of the shell 12, the locating hole 33 is formed in the bottom of the limiting groove 34, and the steel ball 32 penetrates through the limiting groove 34 and is clamped in one of the locating holes 33. When the battery component 10 rotates in the body 2, the inner wall of the shell 12 is provided with an annular limiting groove 34, and the steel balls 32 can be clamped into the limiting groove 34 and roll in the limiting groove 34 in the rotating process of the battery component 10, so that the steel balls 32 can be just accurately clamped into the positioning holes 33, and the thimble 11 can be prevented from ejecting the body 2. The area occupied by the keys on the shell 12 is reduced through the plug-in structure, so that the whole shell 12 is reduced, and the whole handset is miniaturized and portable. The thimble 11 supplies power to different modules on the circuit board 21 through the cooperation of the elastic positioning piece and the positioning hole 33, so as to realize different functions, and the shell 12 is provided with the indication mark 5 to replace the key function, so that the keys are reduced, and wrong pressing in the operation process is avoided. Function switching is more accurate swift. Because the whole volume is reduced, the capacity of the battery assembly 10 is reduced, in order to facilitate the replacement of the battery assembly 10, the whole battery assembly 10 is arranged in the shell 12, different modules of the circuit board 21 are supplied with power through the ejector pins 11 connected with the battery assembly 10, only plugging and replacing are needed when the battery assembly 10 needs to be replaced, and the replacement of the battery is more convenient.
The afterbody of body 2 is equipped with along the outside uide bushing 4 that extends of axis direction of body 2, be equipped with spacing platform on the casing 12, work as mode switching mechanism 1 inserts when the afterbody of body 2 the terminal surface of uide bushing 4 with the terminal surface laminating of spacing platform. On the one hand, the guide sleeve 4 can hide the circuit board 21 to prevent stains from polluting the surface of the circuit board 21, and meanwhile, when the whole mode switching mechanism 1 is inserted (actually, the battery pack 10 is mainly inserted), the thimble 11 can be ensured to be in good contact with the wiring terminal of the circuit board 21, so that the thimble 11 is prevented from being damaged by a wrong insertion position in the insertion process. The area occupied by the keys on the shell 12 is reduced through the plug-in structure, so that the whole shell 12 is reduced, and the whole handset is miniaturized and portable. The thimble 11 supplies power to different modules on the circuit board 21 through the cooperation of the elastic positioning piece and the positioning hole 33, so as to realize different functions, and the shell 12 is provided with the indication mark 5 to replace the key function, so that the keys are reduced, and wrong pressing in the operation process is avoided. Function switching is more accurate swift. Because the whole volume is reduced, the capacity of the battery assembly 10 is reduced, in order to facilitate the replacement of the battery assembly 10, the whole battery assembly 10 is arranged in the shell 12, different modules of the circuit board 21 are supplied with power through the ejector pins 11 connected with the battery assembly 10, only plugging and replacing are needed when the battery assembly 10 needs to be replaced, and the replacement of the battery is more convenient.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (5)
1. A dental light curing handpiece comprising a body and a mode switching mechanism disposed at a rear portion of the body, characterized in that: the mode switching mechanism comprises a shell, a battery assembly is arranged at the tail of the shell, a switching module is arranged at the top of the shell, and the switching module comprises at least one positioning hole and an elastic positioning piece;
the positioning holes are formed in the side wall of the top of the shell, the elastic positioning pieces are clamped in one of the positioning holes when the battery assembly is inserted into the tail of the body, and the elastic positioning pieces are correspondingly clamped in different positioning holes one by one when the shell rotates;
the tail part of the body is provided with a guide sleeve extending outwards along the axial direction of the body, the shell is provided with a limiting table, and the end surface of the guide sleeve is attached to the end surface of the limiting table when the mode switching mechanism is inserted into the tail part of the body;
the tail of the shell is provided with an indicating mark, and the tail of the guide sleeve is provided with an arrow mark pointing to the indicating mark.
2. A dental light curing handset as in claim 1 wherein: the terminal of body is equipped with the circuit board, be equipped with the thimble on battery pack's the up end, the thimble with battery pack's electric core is connected, works as battery pack inserts when the afterbody of body the thimble with binding post on the circuit board closely laminates and works as when elastic positioning element card is in the locating hole of difference the thimble with the binding post laminating of difference on the circuit board.
3. A dental light curing handset as in claim 1 wherein: the elastic positioning piece is arranged in the spring at the tail end of the body, one end of the spring is arranged in the body along the diameter direction, and the other end of the spring fixes the steel ball which is clamped in one of the positioning holes under the elastic force action of the spring.
4. A dental light curing handset as in claim 3 wherein: the steel ball bearing is characterized in that a containing groove is formed in the side wall of the body along the diameter direction of the body, the spring is arranged in the containing groove, an inward bend is formed in a groove opening of the containing groove, the steel ball is attached to the bent inner side wall under the elastic force action of the spring, and the outer edge of the steel ball protrudes out of the groove opening of the containing groove.
5. A dental light curing handset as in claim 3 wherein: the steel ball bearing is characterized in that an annular limiting groove is formed in the inner wall of the shell along the upper edge of the shell, the locating hole is formed in the bottom of the limiting groove, and the steel ball penetrates through the limiting groove and is clamped in one locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022015476.6U CN214908482U (en) | 2020-09-15 | 2020-09-15 | Dental light-cured hand-held machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022015476.6U CN214908482U (en) | 2020-09-15 | 2020-09-15 | Dental light-cured hand-held machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214908482U true CN214908482U (en) | 2021-11-30 |
Family
ID=79034326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022015476.6U Active CN214908482U (en) | 2020-09-15 | 2020-09-15 | Dental light-cured hand-held machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214908482U (en) |
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2020
- 2020-09-15 CN CN202022015476.6U patent/CN214908482U/en active Active
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