Oral cavity expander
By introducing a motor-driven gear and screw system into the oral expander, the spacing and height of the expander blocks can be adjusted, solving the problem that existing technologies cannot adapt to different patients' oral cavity sizes and positions, thus improving user comfort and expansion effect.
Patent Information
- Application Number
- CN202422609010.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-10-29
AI Technical Summary
Existing oral expanders cannot be adjusted according to the size of the patient's mouth, resulting in patient discomfort or poor expansion effect, and cannot adapt to the differences in oral height among different patients.
An oral reamer was designed, comprising an reaming mechanism and an adjustment mechanism. The spacing and height of the reamer blocks can be adjusted by a motor-driven gear and screw system to adapt to different patients' oral cavity sizes and positions.
It achieves adaptive adjustment based on the size and position of the patient's oral cavity, improving user comfort and expansion effect, and meeting the needs of different patients.
Smart Images

Figure CN223653796U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oral cavity expansion technology field especially relates to a kind of oral cavity expansion devices. BACKGROUND
[0002] Oral cavity is the starting part of digestive tract. It is connected with the outside world through the mouth slit, and is connected with the pharynx through the isthmus of the fauces. There are teeth, tongue and other organs in the oral cavity. The front wall of the oral cavity is the lips, the lateral wall is the cheeks, the top is the palate, and the bottom is the mucosa and muscle structure. The oral cavity is divided into the vestibule of the oral cavity in the front and lateral part and the inherent oral cavity in the rear and medial part by the upper and lower dental arches. When patients check the oral cavity, oral cavity expansion device is generally needed.
[0003] The existing oral cavity expansion device is generally fixed size, cannot be adjusted according to the size of the patient's oral cavity, too big is easy to cause the discomfort of patient, too small has no expansion effect, and when using the expansion assembly, the height of the patient's oral cavity is different, there is no device to adjust the height of the expansion assembly, so it cannot meet the use of different patients, and therefore a kind of oral cavity expansion device is needed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of oral cavity expansion device to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of oral cavity expansion device, including including base, its characterized in that: the base is installed with support, the support is installed with support ring, the base is provided with expansion mechanism, the expansion mechanism bottom is provided with adjusting mechanism, the expansion mechanism is slidably installed with connecting rod, the connecting rod is installed with expansion block, the expansion block is set in the top of support ring, the base is installed with branch, the adjusting mechanism is installed on branch, the support ring is installed with soft pad.
[0006] Preferably, the expansion mechanism includes an expansion box provided on the base, a first motor is installed in the expansion box, a rotating shaft is installed on the output end of the first motor, a gear is installed on the rotating shaft, and a toothed rod is engaged with the gear.
[0007] Preferably, a sliding block is installed on the toothed rod, the connecting rod is installed on the sliding block, a support rod is installed in the expansion box, and the sliding block is slidably installed on the support rod.
[0008] Preferably, a sliding sleeve is installed in the expansion box, and the rotating shaft is rotatably installed in the sliding sleeve.
[0009] Preferably, the adjusting mechanism includes a second motor installed on the base, a screw rod is installed on the output end of the second motor, a screw block is threadedly connected to the screw rod, a rotating rod is rotatably installed on the screw block, a support block is installed at the bottom of the expansion mechanism, and the rotating rod is rotatably installed on the support block.
[0010] Preferably, a sliding groove is formed on the support bar, and a sliding rod is installed on the expansion mechanism and slidably installed in the sliding groove.
[0011] Preferably, a limiting block is installed on the screw rod and installed on the outer side of the support bar.
[0012] The utility model discloses the beneficial effect is:
[0013] In the utility model, through the structural setting of expansion mechanism, starting first motor, first motor drives the rotation of the pivot, and the pivot rotation drives the movement of expansion block, and the other expansion block will also move simultaneously, and the movement of two expansion blocks in opposite directions can adjust the interval between two expansion blocks, and then expand the oral cavity of different patients, meet the use of different patients, prevent the patient from feeling uncomfortable.
[0014] In the utility model, through the structural setting of adjusting mechanism, starting second motor, second motor drives the rotation of the screw rod, and the screw rod rotation drives the movement of support block, and the other support block will also move simultaneously, and the movement of two support blocks can drive the up-down movement of expansion block, and the up-down movement of expansion block can adjust the position of expansion block in the oral cavity of patient, adapt to the position of different patient oral cavity. DRAWINGS
[0015] Figure 1 A three-dimensional structure schematic view of the oral cavity expander is provided for the utility model;
[0016] Figure 2 A sectional structure schematic view of the oral cavity expander is provided for the utility model;
[0017] Figure 3 A gear, a toothed rod and other structure schematic view of the oral cavity expander are provided for the utility model;
[0018] Figure 4 Another direction three-dimensional structure schematic view of the oral cavity expander is provided for the utility model;
[0019] In the drawing: 1, base; 2, support; 3, support ring; 4, expansion mechanism; 41, expansion box; 42, first motor; 43, pivot; 44, gear; 45, toothed rod; 46, sliding block; 47, support rod; 48, sliding sleeve; 5, adjusting mechanism; 51, second motor; 52, screw rod; 53, screw block; 54, rotating rod; 55, support block; 56, sliding groove; 57, sliding rod; 58, limiting block; 6, connecting rod; 7, expansion block; 8, support bar; 9, soft pad. CONCRETE IMPLEMENTING METHOD
[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.
[0021] With reference to Figures 1-4 The utility model provides an oral cavity dilator, including base 1, its characterized in be equipped with support 2 on base 1, be equipped with support ring 3 on support 2, be equipped with dilating mechanism 4 on base 1, dilating mechanism 4 bottom is equipped with adjusting mechanism 5, slidingly installed with connecting rod 6 in dilating mechanism 4, be equipped with dilating block 7 on connecting rod 6, dilating block 7 sets up at the top of support ring 3, be equipped with support 8 on base 1, adjusting mechanism 5 installs on support 8, be equipped with soft pad 9 on support ring 3;
[0022] When the oral cavity needs to be examined, the chin is placed on the support ring 3, and the mouth holds the dilating block 7. Since the sizes of the oral cavities of different patients are different, the dilating mechanism 4 can be driven to adjust the distance between the two dilating blocks 7, so as to adapt to the sizes of the oral cavities of different patients. When the chin of the patient is placed on the support ring 3, since the positions of the oral cavities of different patients are different, the adjusting mechanism 5 can be driven to adjust the height of the dilating mechanism 4, so as to adjust the height of the dilating block 7 in the oral cavity of the patient, and adapt to the positions of the oral cavities of different patients. The soft pad 9 is arranged to make the patient feel more comfortable when the chin is placed on the support ring 3.
[0023] The dilating mechanism 4 comprises a dilating box 41 arranged on the base 1, a first motor 42 arranged in the dilating box 41, an output end of the first motor 42, a rotating shaft 43 arranged on the output end of the first motor 42, a gear 44 arranged on the rotating shaft 43, a toothed rod 45 engaged with the gear 44, a sliding block 46 arranged on the toothed rod 45, the connecting rod 6 arranged on the sliding block 46, a support rod 47 arranged in the dilating box 41, the sliding block 46 slidingly arranged on the support rod 47, a sliding sleeve 48 arranged in the dilating box 41, and the rotating shaft 43 rotatably arranged in the sliding sleeve 48.
[0024] In order to adjust the distance between the two dilating blocks 7, the first motor 42 is started, the first motor 42 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the gear 44 to rotate, the gear 44 drives the toothed rod 45 to move, the toothed rod 45 drives the sliding block 46 to move on the support rod 47, the sliding block 46 drives the connecting rod 6 to move, the connecting rod 6 drives the dilating block 7 to move, and the two dilating blocks 7 are simultaneously moved to dilate the oral cavity of the patient. The sliding sleeve 48 is arranged to limit the position of the rotating shaft 43, so that the rotating shaft 43 only rotates in the sliding sleeve 48.
[0025] The adjusting mechanism 5 comprises a second motor 51 arranged on the base 1, a screw rod 52 arranged on the output end of the second motor 51, a screw block 53 threadedly sleeved on the screw rod 52, a rotating rod 54 rotatably arranged on the screw block 53, a support block 55 arranged at the bottom of the dilating mechanism 4, and the rotating rod 54 rotatably arranged on the support block 55.
[0026] In order to adjust the position of the expansion block 7 in the patient's oral cavity, the second motor 51 is started, the second motor 51 drives the screw rod 52 to rotate, the screw rod 52 drives the screw block 53 to move, the screw block 53 drives the rotating rod 54 to rotate, the rotating rod 54 drives the supporting block 55 to move, and the other supporting block 55 will also move at the same time, and the two supporting blocks 55 move at the same time to drive the expansion mechanism 4 to move up and down, the expansion mechanism 4 moves up and down to drive the connecting rod 6 to move up and down, the connecting rod 6 moves up and down to drive the expansion block 7 to move up and down, and the expansion block 7 moves up and down to adjust the position of the expansion block 7 in the patient's oral cavity.
[0027] The supporting rod 8 is provided with a sliding groove 56, the expansion mechanism 4 is provided with a sliding rod 57, the sliding rod 57 is slidingly installed in the sliding groove 56, and the screw rod 52 is provided with a limiting block 58.
[0028] The sliding groove 56 and the sliding rod 57 can limit the position of the expansion mechanism 4, so that the expansion mechanism 4 only moves in the vertical direction of the supporting rod 8, and the limiting block 58 can limit the position of the screw rod 52, so that the screw rod 52 is prevented from moving out of the supporting rod 8.
[0029] The working principle of the utility model is as follows: when in use, the chin is placed on the supporting ring 3, the mouth holds the expansion block 7, the first motor 42 is started, the first motor 42 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the gear 44 to rotate, the gear 44 drives the gear rod 45 to move, the gear rod 45 drives the sliding block 46 to move on the supporting rod 47, the sliding block 46 drives the connecting rod 6 to move, the connecting rod 6 drives the expansion block 7 to move, and the other expansion block 7 will also move at the same time, and the two expansion blocks 7 move away from each other to adjust the distance between the two expansion blocks 7, so as to expand the oral cavities of different patients, meet the use of different patients, the second motor 51 is started, the second motor 51 drives the screw rod 52 to rotate, the screw rod 52 drives the screw block 53 to move, the screw block 53 drives the rotating rod 54 to rotate, the rotating rod 54 drives the supporting block 55 to move, and the other supporting block 55 will also move at the same time, and the two supporting blocks 55 move at the same time to drive the expansion mechanism 4 to move up and down, the expansion mechanism 4 moves up and down to drive the connecting rod 6 to move up and down, the connecting rod 6 moves up and down to drive the expansion block 7 to move up and down, and the expansion block 7 moves up and down to adjust the position of the expansion block 7 in the patient's oral cavity, and adapt to the positions of oral cavities of different patients.
[0030] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. An oral expander comprising a base (1), characterised in that: The base (1) is provided with a support (2), the support (2) is provided with a support ring (3), the base (1) is provided with a expansion mechanism (4), the expansion mechanism (4) is provided with an adjusting mechanism (5) at the bottom, the expansion mechanism (4) is provided with a connecting rod (6) which is slidably installed, the connecting rod (6) is provided with an expansion block (7), the expansion block (7) is arranged on the top of the support ring (3), the base (1) is provided with a support bar (8), the adjusting mechanism (5) is arranged on the support bar (8), the support ring (3) is provided with a soft pad (9).
2. An oral expander according to claim 1, wherein: The expansion mechanism (4) comprises an expansion box (41) arranged on the base (1), a first motor (42) is installed in the expansion box (41), a rotating shaft (43) is installed on the output end of the first motor (42), a gear (44) is installed on the rotating shaft (43), and a toothed rod (45) is engaged with the gear (44).
3. An oral expander according to claim 2, wherein: The toothed rod (45) is provided with a sliding block (46), the connecting rod (6) is installed on the sliding block (46), and a supporting rod (47) is installed in the expansion box (41).
4. An oral expander according to claim 2, wherein: The expansion box (41) is provided with a sliding sleeve (48), and the rotating shaft (43) is rotatably installed in the sliding sleeve (48).
5. An oral expander according to claim 1, wherein: The adjusting mechanism (5) comprises a second motor (51) installed on the base (1), a screw rod (52) is installed on the output end of the second motor (51), a screw block (53) is threadedly connected to the screw rod (52), a rotating rod (54) is rotatably installed on the screw block (53), a supporting block (55) is installed at the bottom of the expansion mechanism (4), and the rotating rod (54) is rotatably installed on the supporting block (55).
6. An oral expander according to claim 1, wherein: The support bar (8) is provided with a sliding groove (56), and the expansion mechanism (4) is provided with a sliding rod (57) which is slidably installed in the sliding groove (56).
7. An oral expander according to claim 1, wherein: The screw rod (52) is provided with a limiting block (58), and the limiting block (58) is arranged on the outer side of the support bar (8).