Expansion device for oral examination

Abstract

The utility model relates to the technical field of dentistry, and discloses an expansion device for oral examination, which comprises a device main body, a through hole is arranged on the device main body, a transmission cavity is arranged in the device main body, two sliding holes which are symmetrical to each other and are communicated with the transmission cavity are arranged on the inner wall of the through hole, and transmission sliding blocks are arranged in the two sliding holes in a sliding mode. Through mutual cooperation of through holes and supporting plates, the two supporting plates can be plugged between the upper jaw and the lower jaw of a patient during use, and two transmission sliding blocks are driven to be away from each other by rotating a bidirectional threaded rod, so that the two supporting plates are driven to be away from each other, and the oral cavity of the patient is longitudinally expanded; at the moment, the internal condition of the oral cavity of the patient can be directly observed through the through hole, and the length of the telescopic block extending out of the transmission sliding block can be adjusted according to the different oral cavity conditions of the patient through mutual cooperation of the transmission sliding block and the telescopic block, so that the device adapts to the oral cavity conditions of different patients, and the adaptability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of dentistry, and in particular relates to an expansion device for oral examination. Background Art

[0002] Oral equipment refers to a variety of small portable tools specially used in stomatology, collectively referred to as oral instruments. Oral instruments include dental mobile phones, oral mobile phone sterilizers, tooth extraction forceps, dental elevators, dental picks and other surgical instruments, manual dental instruments, dental rotary instruments, dental injection instruments, root canal instruments and expansion inspection devices.

[0003] As disclosed in publication number CN 220572279 U, an oral and maxillofacial built-in expansion inspection device includes: a shell and a placement plate, the number of the shells is two, the shells are located on both sides of the placement plate, both sides of the placement plate are fixedly connected to the shell, one side of the shell is fixedly connected to a fixing seat, and the top of the fixing seat is fixedly connected to a motor. The utility model has the advantages of being easy to use, convenient to inspect and highly comfortable. In actual use, through the coordinated use of a motor, gears, a moving plate, a connecting arm, a positioning plate, a guide plate and a support plate, the patient's oral cavity can be expanded conveniently, and the patient's oral cavity can be expanded quickly and safely, which improves the patient's comfort, avoids the problem that medical staff are not convenient to expand the patient's oral cavity when inspecting or treating the patient's oral cavity, and consumes a lot of working time, and improves the use efficiency of the expansion inspection device.

[0004] However, the device uses a longitudinal expansion device, and the direction facing the oral cavity is blocked by the device, so the visible range in the oral cavity is small, which makes it impossible for doctors to clearly see the oral condition. Summary of the invention

[0005] The purpose of the utility model is to provide an expansion device for oral examination to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an expansion device for oral examination, comprising a device body, a through hole is provided on the device body, a transmission cavity is provided in the device body, two sliding holes which are symmetrical to each other and connected to the transmission cavity are provided on the inner wall of the through hole, transmission sliders are slidably arranged in the two sliding holes, a bidirectional threaded rod is rotatably installed in the transmission cavity, the two transmission sliders are threadedly connected to the bidirectional threaded rod, a sliding groove is provided at one end of the two transmission sliders which are close to each other, a telescopic block is slidably arranged in the sliding groove, a mounting block is arranged on the telescopic block, a support plate is inserted on the mounting block, and a mounting rod extends from the telescopic block.

[0007] Preferably, one end of the bidirectional threaded rod passes through the transmission cavity, extends to the outside and is installed with an adjusting wheel.

[0008] Preferably, a limiting hole is provided on the inner wall of the transmission cavity, and one end of the bidirectional threaded rod away from the adjusting wheel is rotatably installed in the limiting hole.

[0009] Preferably, both inner walls of the sliding groove are provided with limit sliding grooves, and limit sliding blocks are slidably arranged in the limit sliding grooves, and the limit sliding blocks are installed on the telescopic block.

[0010] Preferably, a plurality of fixing holes are evenly arranged on the inner wall of the sliding groove along the axial direction, and a mounting hole matching the size of the fixing holes is arranged on the telescopic block.

[0011] Preferably, a fixing bolt is slidably arranged in the mounting hole, and an internal thread matched with the fixing bolt is provided on the inner wall of the fixing hole.

[0012] Preferably, a hexagon socket is provided on the mounting rod, and a hexagonal plug rod matched with the hexagon socket is installed on the support plate.

[0013] Preferably, a first magnet is arranged on the inner wall of the hexagonal socket, and a second magnet that is attracted to the first magnet is arranged on the hexagonal plug rod.

[0014] Preferably, the support plate is made of stainless steel, and the outer side of the support plate is covered with a silicone sleeve.

[0015] Preferably, threaded holes are provided on the two transmission slide blocks, and the threaded directions of the threaded holes on the two transmission slide blocks are opposite.

[0016] The beneficial effects of the utility model are:

[0017] In the utility model, by the cooperation between the provided through holes and the support plates, the two support plates can be inserted between the upper jaw and the lower jaw of the patient when in use, and the two transmission slide blocks are driven to move away from each other by rotating the two-way threaded rod, thereby driving the two support plates to move away from each other to make the patient's oral cavity expand longitudinally. At this time, the internal condition of the patient's oral cavity can be directly observed through the through holes, and by the cooperation between the transmission slide block and the telescopic block, the length of the telescopic block extending out of the transmission slide block can be adjusted according to the different oral conditions of the patient, so that the device can adapt to the oral conditions of different patients and improve the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an oral cavity inspection expansion device proposed by the utility model;

[0019] Figure 2 This is a schematic cross-sectional view of a fixing bolt, a transmission slider, a telescopic block and other structures of an oral examination expansion device proposed by the utility model;

[0020] Figure 3The utility model provides an expansion device for oral examination Figure 2 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 4 The utility model provides an expansion device for oral examination Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0022] Figure 5 The utility model is a cross-sectional structural diagram of a bidirectional threaded rod, a transmission slider, a telescopic block and other structures of an oral examination expansion device proposed by the utility model.

[0023] In the figure: 1. device body; 2. through hole; 3. transmission slider; 4. telescopic block; 5. support plate; 6. sliding hole; 7. adjusting wheel; 8. sliding groove; 9. transmission cavity; 10. bidirectional threaded rod; 11. threaded hole; 12. first magnet; 13. limiting hole; 14. mounting rod; 15. fixing bolt; 16. limiting sliding groove; 17. limiting slider; 18. mounting hole; 19. fixing hole; 20. hexagonal plug rod; 21. hexagonal socket; 22. second magnet. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-5 A dilation device for oral examination includes a device body 1, a through hole 2 is provided on the device body 1, a transmission cavity 9 is provided in the device body 1, two sliding holes 6 which are symmetrical to each other and communicated with the transmission cavity 9 are provided on the inner wall of the through hole 2, transmission sliders 3 are slidably arranged in the two sliding holes 6, a bidirectional threaded rod 10 is rotatably installed in the transmission cavity 9, the two transmission sliders 3 are threadedly connected to the bidirectional threaded rod 10, a sliding groove 8 is provided at one end of the two transmission sliders 3 which are close to each other, a telescopic block 4 is slidably arranged in the sliding groove 8, a mounting block is arranged on the telescopic block 4, a support plate 5 is inserted on the mounting block, and a mounting rod 14 extends from the telescopic block 4.

[0026] By the cooperation between the through hole 2 and the support plate 5, the two support plates 5 can be inserted between the upper and lower jaws of the patient when in use, and the two transmission slide blocks 3 are driven away from each other by rotating the bidirectional threaded rod 10, thereby driving the two support plates 5 away from each other to make the patient's oral cavity expand longitudinally. At this time, the internal condition of the patient's oral cavity can be directly observed through the through hole 2, and the transmission slide block 3 and the telescopic block 4 cooperate with each other, so that the length of the telescopic block 4 extending out of the transmission slide block 3 can be adjusted according to the different oral conditions of the patient, so that the device can adapt to the oral conditions of different patients and improve the adaptability of the device.

[0027] Specifically, in this embodiment, one end of the bidirectional threaded rod 10 passes through the transmission cavity 9 and extends to the outside and is installed with the adjusting wheel 7 .

[0028] By arranging the adjusting wheel 7 , the bidirectional threaded rod 10 can be driven to rotate conveniently by the adjusting wheel 7 .

[0029] Specifically, in this embodiment, a limiting hole 13 is provided on the inner wall of the transmission cavity 9 , and one end of the bidirectional threaded rod 10 away from the adjusting wheel 7 is rotatably installed in the limiting hole 13 .

[0030] By arranging the limiting holes 13 , the rotation stability of the bidirectional threaded rod 10 in the transmission cavity 9 can be improved.

[0031] Specifically, in this embodiment, limit sliding grooves 16 are provided on the inner walls on both sides of the sliding groove 8 , and a limit sliding block 17 is slidably arranged in the limit sliding groove 16 , and the limit sliding block 17 is installed on the telescopic block 4 .

[0032] The limit sliding groove 16 and the limit sliding block 17 are arranged to limit the moving range of the telescopic block 4 to prevent the telescopic block 4 from being separated from the sliding groove 8 .

[0033] Specifically, in this embodiment, a plurality of fixing holes 19 are evenly arranged along the axial direction on the inner wall of the sliding groove 8, a mounting hole 18 whose size matches that of the fixing hole 19 is arranged on the telescopic block 4, a fixing bolt 15 is slidably arranged in the mounting hole 18, and an internal thread matching that of the fixing bolt 15 is arranged on the inner wall of the fixing hole 19.

[0034] By arranging a plurality of fixing holes 19 and mounting holes 18, after the telescopic block 4 is slid out along the sliding groove 8 to a specified length, the fixing bolts 15 can pass through the mounting holes 18 and be threadedly connected to the corresponding fixing holes 19, thereby achieving the purpose of locking and fixing the telescopic block 4 and the transmission slider 3.

[0035] Specifically, in this embodiment, a hexagonal socket 21 is provided on the mounting rod 14, a hexagonal plug rod 20 adapted to the hexagonal socket 21 is installed on the support plate 5, a first magnet 12 is arranged on the inner wall of the hexagonal socket 21, and a second magnet 22 that is attracted to the first magnet 12 is arranged on the hexagonal plug rod 20.

[0036] By arranging the hexagonal plug rod 20 and the inner hexagonal plug rod 20, the support plate 5 can be conveniently pulled out or inserted along the inner hexagonal plug hole 21 through the hexagonal plug rod 20, and the hexagonal plug rod 20 can be well fixed in the inner hexagonal plug hole 21 through the mutual adsorption of the first magnet 12 and the second magnet 22, thereby achieving the purpose of facilitating the removal of the support plate 5 for cleaning and disinfection.

[0037] Specifically, in this embodiment, the support plate 5 is made of stainless steel, and the outer side of the support plate 5 is covered with a silicone sleeve.

[0038] The silicone sleeve can improve the patient's comfort during use.

[0039] Specifically, in this embodiment, threaded holes 11 are formed on the two transmission slide blocks 3 , and the threaded directions of the threaded holes 11 on the two transmission slide blocks 3 are opposite.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An oral cavity inspection expansion device, comprising a device body, characterized in that: A through hole is provided on the device body, a transmission cavity is provided in the device body, two sliding holes which are symmetrical to each other and connected with the transmission cavity are provided on the inner wall of the through hole, transmission sliders are slidably arranged in the two sliding holes, a bidirectional threaded rod is rotatably installed in the transmission cavity, the two transmission sliders are threadedly connected to the bidirectional threaded rod, a sliding groove is provided at one end of the two transmission sliders which are close to each other, a telescopic block is slidably arranged in the sliding groove, a mounting block is arranged on the telescopic block, a support plate is inserted on the mounting block, and a mounting rod extends from the telescopic block.

2. An oral cavity inspection expansion device according to claim 1, characterized in that: One end of the bidirectional threaded rod passes through the transmission cavity, extends to the outside and is equipped with an adjusting wheel.

3. The oral cavity inspection expansion device according to claim 1, characterized in that: A limiting hole is arranged on the inner wall of the transmission cavity, and one end of the bidirectional threaded rod away from the regulating wheel is rotatably installed in the limiting hole.

4. The oral cavity inspection expansion device according to claim 1, characterized in that: The inner walls on both sides of the sliding groove are provided with limit sliding grooves, and the limit sliding blocks are slidably arranged in the limit sliding grooves, and the limit sliding blocks are installed on the telescopic blocks.

5. The oral cavity inspection expansion device according to claim 1, characterized in that: A plurality of fixing holes are evenly arranged on the inner wall of the sliding groove along the axial direction, and a mounting hole matching the size of the fixing holes is arranged on the telescopic block.

6. The oral cavity inspection expansion device according to claim 5, characterized in that: A fixing bolt is slidably arranged in the installation hole, and an internal thread matched with the fixing bolt is provided on the inner wall of the fixing hole.

7. The oral cavity inspection expansion device according to claim 1, characterized in that: The mounting rod is provided with a hexagon socket, and the supporting plate is provided with a hexagon socket rod matched with the hexagon socket.

8. An oral cavity inspection expansion device according to claim 7, characterized in that: A first magnet is arranged on the inner wall of the hexagonal socket, and a second magnet that is attracted to the first magnet is arranged on the hexagonal plug rod.

9. The oral cavity inspection expansion device according to claim 1, characterized in that: The support plate is made of stainless steel, and the outer side of the support plate is covered with a silicone sleeve.

10. The oral cavity inspection expansion device according to claim 1, characterized in that: The two transmission slide blocks are both provided with threaded holes, and the threaded directions of the threaded holes on the two transmission slide blocks are opposite.

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