CN219645904U - Detachable dental bending hand piece - Google Patents
Detachable dental bending hand piece Download PDFInfo
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- CN219645904U CN219645904U CN202321259330.3U CN202321259330U CN219645904U CN 219645904 U CN219645904 U CN 219645904U CN 202321259330 U CN202321259330 U CN 202321259330U CN 219645904 U CN219645904 U CN 219645904U
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- machine head
- detachable dental
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- 238000005452 bending Methods 0.000 title description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract 1
- 235000011613 Pinus brutia Nutrition 0.000 abstract 1
- 241000018646 Pinus brutia Species 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a detachable dental elbow phone, which has the technical scheme that: comprises a main body, wherein a fixing mechanism is arranged in the main body; the fixed mechanism comprises a limit sleeve, the limit sleeve is arranged inside the machine body, the limit sleeve is externally fixed and sleeved with a plurality of sliding blocks, the inner wall of the machine body is fixedly provided with a bottom support plate, the top of the bottom support plate is connected with a plurality of screw rods through bearings, the screw rods respectively penetrate through the sliding blocks and are in threaded connection with the sliding blocks, the top of the screw rods is fixedly connected with gears, the top of the machine body is connected with a rotating shell through bearings, the bottom of the rotating shell is fixedly provided with an annular external gear, the annular external gear is respectively meshed with the gears, and the limit sleeve is internally provided with an internal connecting sleeve, and the fixed mechanism has the beneficial effects that: avoid the connection pine of fuselage body and aircraft nose body to take off, avoid the threaded connection department of fuselage body and aircraft nose body to block, lead to dismantling trouble, improve the speed of installation dismantlement, facilitate the use.
Description
Technical Field
The utility model relates to the technical field of dental treatment apparatuses, in particular to a detachable dental elbow holder.
Background
The dental handpiece is a medical instrument commonly used for oral treatment, and can be used for positioning and drilling, expanding and even cutting hard tissues of the oral cavity by matching with different forms of needles in a relatively high-speed rotation mode.
The existing dental handpiece consists of a machine body and a machine head, wherein the machine body and the machine head are detachably arranged, the existing detachable mode is in threaded connection, the dental handpiece is easy to loose in connection with the machine head due to high-speed rotation and vibration in work, or the threaded connection of the machine body and the machine head is blocked when the machine body and the machine head are used for a long time, so that the replacement of the machine head is affected.
Disclosure of Invention
Therefore, the detachable dental handpiece is provided by the utility model, so that the problem that the connection of the machine body and the machine head is easy to loosen due to high-speed rotation vibration of the dental handpiece in work, or the threaded connection of the machine body and the machine head is blocked when the machine body and the machine head are used for a long time, and the replacement of the machine head is affected is solved.
In order to achieve the above object, the present utility model provides the following technical solutions: the detachable dental elbow holder comprises a holder body, wherein a fixing mechanism is arranged in the holder body;
the fixing mechanism comprises a limit sleeve, the limit sleeve is arranged in the machine body, a plurality of sliding blocks are fixedly sleeved outside the limit sleeve, a bottom support plate is fixedly arranged on the inner wall of the machine body, a plurality of screw rods are connected to the top of the bottom support plate through bearings, the screw rods respectively penetrate through the sliding blocks and are connected with the sliding blocks through threads, gears are fixedly connected to the top ends of the screw rods, the top of the machine body is connected with a rotating shell through a bearing, the bottom of the rotating shell is fixedly provided with an annular external gear which is respectively meshed with a plurality of gears, an inner connecting sleeve is arranged inside the limiting sleeve, the limiting groove is formed in the inner connecting sleeve, the connecting shell is fixedly arranged at the top of the inner connecting sleeve, a second supporting plate is arranged outside the connecting shell through a bearing sleeve, and the second supporting plate is fixedly connected with the inner wall of the machine body.
Preferably, the inside a plurality of spacing subassemblies that are equipped with of interior connecting sleeve, spacing subassembly includes the slide bar, the slide bar runs through interior connecting sleeve, slide bar one end fixedly connected with fixture block, the inside spacing inslot is located to the fixture block, slide bar other end fixedly connected with connecting seat, the inside ball that inlays of connecting seat, the ball contacts with the stop collar inside wall, the outside cover of slide bar is equipped with the spring.
Preferably, the inside fixed first backup pad that is equipped with of fuselage body, the lead screw runs through first backup pad and passes through the bearing connection with first backup pad, first backup pad bottom is fixed and is equipped with the motor, motor output and coupling housing fixed connection.
Preferably, a button is arranged on one side of the first support plate.
Preferably, one side of the machine body is provided with a machine head body, one end of the machine head body extends into the machine body, one end of the machine head body extends into the limiting groove, and a plurality of clamping grooves are formed in the outer portion of the machine head body.
Preferably, one end of the clamping block extends into the clamping groove.
Preferably, the inside of the machine body is connected with a bearing sleeve through a bearing, and the machine head body penetrates through the bearing sleeve.
Preferably, the bottom of the machine body is embedded with a sealing ring, and the machine head body penetrates through the sealing ring.
Preferably, the body is externally sleeved with an anti-slip washer.
The embodiment of the utility model has the following advantages:
the sliding block is driven to move downwards through the screw rod, the sliding block drives the limiting sleeve to move downwards, the limiting sleeve pushes the ball to move, the ball pushes the connecting seat to move, the connecting seat pushes the sliding rod to move, the sliding rod pushes the clamping block to enter the clamping groove outside the machine head body, the clamping block is buckled with the clamping groove, the machine head body is limited, the machine body and the machine head body are prevented from being connected and loosened, the machine body and the machine head body are prevented from being blocked at the threaded connection part, the disassembly is troublesome, the assembly and disassembly speed is improved, and the use is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic view of the overall structure provided by the present utility model;
FIG. 2 is a cross-sectional view of the overall structure provided by the present utility model;
FIG. 3 is a perspective view of a fixing mechanism provided by the present utility model;
FIG. 4 is an enlarged view of the structure of portion A in FIG. 2 according to the present utility model;
fig. 5 is a perspective view of a handpiece body provided by the utility model.
In the figure: 1. a fuselage body; 2. an anti-slip washer; 3. a seal ring; 4. a handpiece body; 5. rotating the shell; 6. a button; 7. a first support plate; 8. a second support plate; 9. a motor; 10. a connection housing; 11. a limit sleeve; 12. a slide block; 13. an inner connecting sleeve; 14. a screw rod; 15. a bottom support plate; 16. a gear; 17. an annular external gear; 18. a bearing sleeve; 19. a connecting seat; 20. a ball; 21. a slide bar; 22. a spring; 23. a clamping block; 24. a clamping groove; 25. and a limit groove.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the detachable dental bending hand piece provided by the utility model comprises a machine body 1, wherein a fixing mechanism is arranged in the machine body 1;
the fixing mechanism comprises a limit sleeve 11, the limit sleeve 11 is arranged inside a machine body 1, a plurality of sliding blocks 12 are fixedly sleeved outside the limit sleeve 11, a bottom support plate 15 is fixedly arranged on the inner wall of the machine body 1, a plurality of screw rods 14 are connected to the top of the bottom support plate 15 through bearings, the screw rods 14 respectively penetrate through the sliding blocks 12 and are in threaded connection with the sliding blocks 12, a plurality of gears 16 are fixedly connected to the top ends of the screw rods 14, a rotating shell 5 is connected to the top of the machine body 1 through bearings, an annular external gear 17 is fixedly arranged at the bottom of the rotating shell 5, the annular external gear 17 is respectively meshed with the plurality of gears 16, an inner connecting sleeve 13 is arranged inside the limit sleeve 11, a limit groove 25 is formed inside the inner connecting sleeve 13, a connecting shell 10 is fixedly arranged at the top of the inner connecting sleeve 13, a second support plate 8 is arranged outside the connecting shell 10 through bearings, the second support plate 8 is fixedly connected with the inner wall of the machine body 1, a plurality of limit assemblies are arranged inside the inner connecting sleeve 13, each limit assembly comprises a sliding rod 21, a ball bearing seat 21 is fixedly connected to the inner side wall of the corresponding sliding block 21, and the other end of the ball seat 20 is fixedly connected to the inner side of the sliding rod 21, and the ball seat 20 is fixedly connected to the other end of the sliding rod seat 20;
in this embodiment, the machine head body 4 is inserted into the machine body 1, the machine head body 4 enters the limit groove 25 and is limited, at this time, the rotating shell 5 rotates and drives the gear 16 to rotate, the gear 16 rotates and drives the screw rod 14 to rotate, the screw rod 14 drives the sliding block 12 to move downwards, the sliding block 12 drives the limit sleeve 11 to move downwards, the limit sleeve 11 pushes the ball 20 to move, the ball 20 pushes the connecting seat 19 to move, the connecting seat 19 pushes the sliding rod 21 to move, the sliding rod 21 pushes the clamping block 23 to enter the clamping groove 24 outside the machine head body 4, the clamping block 23 is buckled with the clamping groove 24, and the machine head body 4 is limited;
in order to achieve the purpose of convenient use, the device is realized by adopting the following technical scheme: the machine body comprises a machine body 1, a first supporting plate 7 is fixedly arranged in the machine body 1, a screw rod 14 penetrates through the first supporting plate 7 and is connected with the first supporting plate 7 through a bearing, a motor 9 is fixedly arranged at the bottom of the first supporting plate 7, the output end of the motor 9 is fixedly connected with a connecting shell 10, a button 6 is arranged on one side of the first supporting plate 7, a machine head body 4 is arranged on one side of the machine body 1, one end of the machine head body 4 extends into a limiting groove 25, a plurality of clamping grooves 24 are formed in the outer portion of the machine head body 4, one end of a clamping block 23 extends into the clamping groove 24, a bearing sleeve 18 is connected in the machine body 1 through a bearing, the machine head body 4 penetrates through the bearing sleeve 18, the motor 9 is started, the motor 9 drives the connecting shell 10 to rotate, the connecting shell 10 drives the inner connecting sleeve 13 to rotate, and meanwhile the inner connecting sleeve 13 drives the machine head body 4 to rotate, and balls 20 outside the inner connecting sleeve 13 slide inside the limiting sleeve 11;
in order to achieve the sealing purpose, the device is achieved by adopting the following technical scheme: the bottom of the machine body 1 is embedded with a sealing ring 3, the machine head body 4 penetrates through the sealing ring 3, and the sealing ring 3 has a sealing effect and prevents foreign matters from entering the machine body 1;
in order to achieve the anti-skid purpose, the device is realized by adopting the following technical scheme: the outside cover of fuselage body 1 is equipped with anti-skidding packing ring 2, and anti-skidding packing ring 2 has anti-skidding effect, conveniently snatchs fuselage body 1.
The application process of the utility model is as follows: when the utility model is used, the machine head body 4 is inserted into the machine body 1, the machine head body 4 enters the limit groove 25 and is limited, at the moment, the rotary shell 5 is rotated and drives the gear 16 to rotate, the gear 16 is rotated and drives the screw rod 14 to rotate, the screw rod 14 drives the sliding block 12 to move downwards, the sliding block 12 drives the limit sleeve 11 to move downwards, the limit sleeve 11 drives the ball 20 to move, the ball 20 drives the connecting seat 19 to move, the connecting seat 19 drives the sliding rod 21 to move, the sliding rod 21 drives the clamping block 23 to enter the clamping groove 24 outside the machine head body 4, the clamping block 23 is buckled with the clamping groove 24, the machine head body 4 is limited, when the machine head body 4 is used, the motor 9 is started, the motor 9 drives the connecting shell 10 to rotate, the connecting shell 10 drives the inner connecting sleeve 13 to rotate, and simultaneously the inner connecting sleeve 13 drives the ball 20 outside the machine head body 4 to slide inside the limit sleeve 11.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (9)
1. Can dismantle curved cell-phone of dentistry, including fuselage body (1), its characterized in that: a fixing mechanism is arranged in the machine body (1);
fixed establishment includes stop collar (11), inside fuselage body (1) is located to stop collar (11), stop collar (11) outside fixed cover is equipped with a plurality of sliders (12), fuselage body (1) inner wall is fixed to be equipped with bottom extension board (15), bottom extension board (15) top is connected with a plurality of lead screws (14) through the bearing, and is a plurality of lead screw (14) run through respectively a plurality of slider (12) and pass through threaded connection with slider (12), a plurality of lead screw (14) top fixedly connected with gear (16), fuselage body (1) top is connected with through the bearing and rotates shell (5), rotate shell (5) bottom fixed be equipped with annular external gear (17), annular external gear (17) respectively with a plurality of gear (16) mesh mutually, inside interior connection sleeve (13) that are equipped with of stop collar (11), interior connection sleeve (13) are inside to be seted up spacing groove (25), interior connection sleeve (13) top is fixed be equipped with coupling shell (10), coupling shell (10) outside is equipped with through bearing (8) with second backup pad (8) and fuselage fixed connection 1.
2. The detachable dental elbow rest according to claim 1, wherein: inside a plurality of spacing subassemblies that are equipped with of interior cover (13), spacing subassembly includes slide bar (21), slide bar (21) run through interior cover (13), slide bar (21) one end fixedly connected with fixture block (23), inside spacing groove (25) are located to fixture block (23), slide bar (21) other end fixedly connected with connecting seat (19), ball (20) are inlayed to connecting seat (19) inside, ball (20) are contacted with stop collar (11) inside wall, slide bar (21) outside cover is equipped with spring (22).
3. The detachable dental elbow rest according to claim 1, wherein: the novel machine body is characterized in that a first supporting plate (7) is fixedly arranged inside the machine body (1), a screw rod (14) penetrates through the first supporting plate (7) and is connected with the first supporting plate (7) through a bearing, a motor (9) is fixedly arranged at the bottom of the first supporting plate (7), and the output end of the motor (9) is fixedly connected with a connecting shell (10).
4. A detachable dental elbow rest according to claim 3, wherein: one side of the first supporting plate (7) is provided with a button (6).
5. The detachable dental elbow rest according to claim 2, wherein: the machine body is characterized in that one side of the machine body (1) is provided with a machine head body (4), one end of the machine head body (4) extends into the machine body (1), one end of the machine head body (4) extends into the limit groove (25), and a plurality of clamping grooves (24) are formed in the outer portion of the machine head body (4).
6. The detachable dental elbow rest according to claim 5, wherein: one end of the clamping block (23) extends into the clamping groove (24).
7. The detachable dental elbow rest according to claim 5, wherein: the inside of the machine body (1) is connected with a bearing sleeve (18) through a bearing, and the machine head body (4) penetrates through the bearing sleeve (18).
8. The detachable dental elbow rest according to claim 5, wherein: the machine body (1) is characterized in that a sealing ring (3) is embedded at the bottom of the machine body, and the machine head body (4) penetrates through the sealing ring (3).
9. The detachable dental elbow rest according to claim 1, wherein: an anti-slip washer (2) is sleeved outside the machine body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321259330.3U CN219645904U (en) | 2023-05-23 | 2023-05-23 | Detachable dental bending hand piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321259330.3U CN219645904U (en) | 2023-05-23 | 2023-05-23 | Detachable dental bending hand piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219645904U true CN219645904U (en) | 2023-09-08 |
Family
ID=87855592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321259330.3U Active CN219645904U (en) | 2023-05-23 | 2023-05-23 | Detachable dental bending hand piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219645904U (en) |
-
2023
- 2023-05-23 CN CN202321259330.3U patent/CN219645904U/en active Active
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| GR01 | Patent grant | ||
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