Temporomandibular joint simulation demonstration device

Abstract

The utility model relates to the technical field of demonstration devices, and provides a temporomandibular joint simulation demonstration device, which comprises a bottom plate, a cheekbone simulation frame, an upper dental cast, a mandibular simulation frame, a lower dental cast, a push rod and a push assembly, and is characterized in that the cheekbone simulation frame is positioned on one side of the bottom plate through a supporting seat, the upper dental cast is detachably connected to one side of the cheekbone simulation frame, and the lower dental cast is detachably connected to the other side of the mandibular simulation frame; the mandible simulation frame is rotationally connected to the lower side of the cheekbone simulation frame through two rotating seats, the lower tooth mold is detachably connected to one side of the mandible simulation frame through an adjusting seat, the two pushing rods are located on the two sides of the mandible simulation frame respectively, and the mandible simulation frame is provided with grooves for the pushing rods to slide; the push rods can slide on the lower jaw simulation frame conveniently, and the push assembly is arranged between the two push rods. By means of the technical scheme, the problem that in the prior art, the opening and closing simulation demonstration angle cannot be adjusted accurately and conveniently is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of demonstration devices, in particular to a temporomandibular joint simulation demonstration device. Background Technique

[0002] The temporomandibular joint is the only bilateral joint on the left and right sides of the maxillofacial region, with a certain stability and multi-directional mobility, and various important activities related to chewing, swallowing, language, and expression are generated under the action of muscles. However, the current demonstration devices are not convenient for visually displaying the movement relationship of the temporomandibular joint;

[0003] In view of the above problems, the prior art has proposed a temporomandibular joint simulation demonstration device with a patent publication number of CN209149660U. Through the cooperation of a base, a column, a zygomatic bone simulation frame, a mandibular simulation frame, an upper dental model, a lower dental model, a driving rod, etc., it can visually display the movement relationship of the temporomandibular joint. However, when simulating and demonstrating, it is necessary to manually push the driving rod to make the mandibular simulation frame perform opening and closing actions, and manual pushing is not convenient for accurately adjusting the opening and closing angles, and the simulation demonstration effect of the temporomandibular joint is poor. Content of the Utility Model

[0004] The utility model provides a temporomandibular joint simulation demonstration device, which solves the problem in the related technology that it is not convenient to accurately adjust the simulation opening and closing demonstration angle.

[0005] The technical solution of the utility model is as follows: A temporomandibular joint simulation demonstration device includes a bottom plate, a zygomatic bone simulation frame, an upper dental model, a mandibular simulation frame, a lower dental model, a pushing rod, and a pushing component;

[0006] The zygomatic bone simulation frame is located on one side of the bottom plate through a support seat;

[0007] The upper dental model is detachably connected to one side of the zygomatic bone simulation frame;

[0008] The mandibular simulation frame is rotatably connected to the lower side of the zygomatic bone simulation frame through two rotating seats;

[0009] The lower dental model is detachably connected to one side of the mandibular simulation frame through an adjustment seat;

[0010] The pushing rods are provided with two, and the two pushing rods are respectively located on both sides of the mandibular simulation frame, and grooves for the pushing rods to slide are formed on the mandibular simulation frame;

[0011] The pushing component is arranged between the two pushing rods.

[0012] Further, the pushing component includes:

[0013] An installation block, the installation block being located on one side of the support base;

[0014] An electric cylinder, the electric cylinder being installed at the top of the installation block;

[0015] A push plate, the push plate being fixedly connected to the output end of the electric cylinder;

[0016] Push frames, there are two push frames, the two push frames are symmetrically connected to one side of the push plate, and the two push frames are respectively fixedly connected to the two push rods.

[0017] Further, the rotating seat includes:

[0018] A connecting frame, a connecting column being fixedly connected between the connecting frame and the zygomatic bone simulation frame;

[0019] A rotating shaft, the rotating shaft being fixedly connected to the connecting frame, and a rotating opening matching the rotating shaft being formed on the mandible simulation frame.

[0020] Further, the adjusting seat includes:

[0021] Adjusting plates, there are two adjusting plates, the two adjusting plates are symmetrically connected to both sides of the lower dental mold;

[0022] Adjusting screws, the adjusting screws being threadedly connected between each adjusting plate and the mandible simulation frame, and a plurality of adjusting screw grooves matching the adjusting screws being formed on the adjusting plates.

[0023] Further, the support base includes:

[0024] A support plate, the support plate being fixedly connected to the top of the bottom plate, and the installation block being fixedly connected to the support plate;

[0025] A support block, the support block being fixedly connected to the top of the support plate, and the zygomatic bone simulation frame being fixedly connected to the support block.

[0026] Further, two grooves matching the upper dental mold are formed on the zygomatic bone simulation frame, and two connecting blocks are symmetrically connected to the upper dental mold, and connecting screws are threadedly connected between the two connecting blocks and the zygomatic bone simulation frame.

[0027] Further, a sliding plate is fixedly connected to one side of the push plate, and a sliding groove for the sliding plate to slide is formed on the support plate.

[0028] Further, two rotating grooves are symmetrically formed on the zygomatic bone simulation frame, and wear-resistant pads are fixedly connected in both of the two rotating grooves.

[0029] Further, two mounting screws are symmetrically and threadedly connected to the bottom plate, and mounting screw holes matching the mounting screws are formed in the bottom plate.

[0030] Further, a mounting groove is formed at the top end of the mounting block, and the electric cylinder is mounted in the mounting groove.

[0031] The working principle and beneficial effects of the present utility model are as follows:

[0032] 1. In the present utility model, through the cooperation of the bottom plate and the support base, it is convenient to stably support the zygomatic arch simulation frame, so as to detachably connect the upper dental model, thereby facilitating the replacement of the upper dental model according to the actual simulation demonstration requirements;

[0033] 2. In the present utility model, through the cooperation of the mandibular simulation frame and the adjustment base, it is convenient to adjust and install the lower dental model, so as to adjust the installation position of the lower dental model according to the simulation demonstration requirements, and at the same time facilitate the replacement of the lower dental model according to the actual simulation demonstration requirements;

[0034] 3. In the present utility model, through the cooperation of the pushing assembly and the two push rods, the mandibular simulation frame can be rotated under the zygomatic arch simulation frame through the two rotating seats, so as to facilitate the opening and closing movement of the mandibular simulation frame, thereby simulating and demonstrating the movement relationship of the temporomandibular joint in this state, and further facilitating the accurate adjustment of the simulated opening and closing demonstration angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The following further describes the present utility model in detail in conjunction with the drawings and specific embodiments.

[0036] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0037] Figure 2 is the present utility model Figure 1 an enlarged structural diagram of part A therein;

[0038] Figure 3 is a schematic structural diagram of the cooperation of the upper dental model, the connecting block and the connecting screw of the present utility model;

[0039] Figure 4 is a schematic structural diagram of the cooperation of the push rod, the push plate and the sliding plate of the present utility model.

[0040] In the figure: 1. Bottom plate; 2. Zygomatic arch simulation frame; 3. Upper dental model; 4. Mandibular simulation frame; 5. Lower dental model; 6. Push rod; 7. Mounting block; 8. Electric cylinder; 9. Push plate; 10. Push frame; 11. Connecting frame; 12. Rotating shaft; 13. Adjusting plate; 14. Adjusting screw; 15. Support plate; 16. Support block; 17. Connecting block; 18. Connecting screw; 19. Sliding plate; 20. Anti-abrasion pad; 21. Mounting screw. Detailed implementation mode

[0041] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.

[0042] As Figures 1 to 4 shown, this embodiment proposes a temporomandibular joint simulation demonstration device, including a bottom plate 1, a zygomatic bone simulation frame 2, an upper dental model 3, a mandibular simulation frame 4, a lower dental model 5, a push rod 6 and a pushing component. Two mounting screws 21 are symmetrically and threadedly connected to the bottom plate 1, and mounting screw holes matching the mounting screws 21 are provided on the bottom plate 1, so that the bottom plate 1 can be stably mounted on the mounting platform. The zygomatic bone simulation frame 2 is located on one side of the bottom plate 1 through a support seat. The upper dental model 3 is detachably connected to one side of the zygomatic bone simulation frame 2. The mandibular simulation frame 4 is rotatably connected to the lower side of the zygomatic bone simulation frame 2 through two rotating seats. The lower dental model 5 is detachably connected to one side of the mandibular simulation frame 4 through an adjustment seat. Two push rods 6 are provided, and the two push rods 6 are respectively located on both sides of the mandibular simulation frame 4, and grooves for the push rods 6 to slide are provided on the mandibular simulation frame 4, facilitating the sliding of the push rods 6 on the mandibular simulation frame 4. The pushing component is arranged between the two push rods 6.

[0043] Referring to Figure 4 , the pushing component includes a mounting block 7, an electric cylinder 8, a pushing plate 9 and a pushing frame 10. The mounting block 7 is located on one side of the support seat. The electric cylinder 8 is installed at the top of the mounting block 7. An installation groove is provided at the top of the mounting block 7, and the electric cylinder 8 is installed in the installation groove, facilitating the stable installation of the electric cylinder 8. The pushing plate 9 is fixedly connected to the output end of the electric cylinder 8. Two pushing frames 10 are provided, and the two pushing frames 10 are symmetrically connected to one side of the pushing plate 9, and the two pushing frames 10 are respectively fixedly connected to the two push rods 6;

[0044] By starting the electric cylinder 8, the pushing plate 9 can pull the two pushing frames 10, so that the two push rods 6 drive the mandibular simulation frame 4 to move, so that the mandibular simulation frame 4 can rotate on the zygomatic bone simulation frame 2 to perform an opening and closing action, thereby demonstrating the movement relationship of the temporomandibular joint in this state.

[0045] Referring to Figure 1 and Figure 2, the rotating seat includes a connecting frame 11 and a rotating shaft 12. A connecting column is fixedly connected between the connecting frame 11 and the zygomatic bone simulation frame 2. The rotating shaft 12 is fixedly connected to the connecting frame 11, and a rotating opening matching the rotating shaft 12 is provided on the mandibular simulation frame 4. Two rotating grooves are symmetrically provided on the zygomatic bone simulation frame 2, and anti-wear pads 20 are fixedly connected in both rotating grooves, facilitating the stable rotation of the mandibular simulation frame 4 on the zygomatic bone simulation frame 2. At the same time, through the anti-wear pads 20, the contact wear between the mandibular simulation frame 4 and the zygomatic bone simulation frame 2 during rotation can be reduced;

[0046] Through the connecting column, the connecting frame 11 can be stably supported on the zygomatic bone simulation frame 2. At the same time, through the cooperation of the rotating shaft 12 and the rotating opening, the stable rotation of the mandibular simulation frame 4 in the rotating groove is facilitated.

[0047] Reference Figure 1 , the adjusting seat includes an adjusting plate 13 and an adjusting screw 14. There are two adjusting plates 13, and the two adjusting plates 13 are symmetrically connected to both sides of the lower dental mold 5. The adjusting screw 14 is threadedly connected between each adjusting plate 13 and the mandibular simulation frame 4, and a plurality of adjusting screw grooves matching the adjusting screw 14 are provided on the adjusting plate 13;

[0048] By moving the adjusting plate 13 on the mandibular simulation frame 4, the position of the lower dental mold 5 can be adjusted to facilitate the adjustment of the installation position of the lower dental mold 5 according to the actual simulation demonstration requirements. After the lower dental mold 5 is moved to the appropriate position, the adjusting screw 14 can be screwed and installed in the corresponding adjusting screw groove, and the adjusting plate 13 and the lower dental mold 5 can be stably installed on the mandibular simulation frame 4.

[0049] Reference Figure 1 and Figure 4 , the support seat includes a support plate 15 and a support block 16. The support plate 15 is fixedly connected to the top of the bottom plate 1, and the mounting block 7 is fixedly connected to the support plate 15. The support block 16 is fixedly connected to the top of the support plate 1, and the zygomatic bone simulation frame 2 is fixedly connected to the support block 16. One side of the push plate 9 is fixedly connected with a sliding plate 19, and a sliding groove for the sliding plate 19 to slide is provided on the support plate 15, which can increase the stability of the push plate 9 sliding on one side of the support plate 15;

[0050] Through the cooperation of the support plate 15 and the support block 16, the zygomatic bone simulation frame 2 can be stably supported to facilitate the stable support of the upper dental mold 3.

[0051] Reference Figure 3 , two grooves matching the upper dental mold 3 are provided on the zygomatic bone simulation frame 2, and two connecting blocks 17 are symmetrically connected to the upper dental mold 3. Two connecting screws 18 are threadedly connected between both connecting blocks 17 and the zygomatic bone simulation frame 2;

[0052] Through the groove, it is convenient to install the upper dental mold 3 on the zygomatic bone simulation stand 2. At the same time, through the cooperation of two connecting blocks 17 and two connecting screws 18, the upper dental mold 3 can be stably installed and disassembled on the zygomatic bone simulation stand 2, and it is also convenient to replace the upper dental mold 3 according to the actual simulation demonstration requirements.

[0053] In this embodiment, when the temporomandibular joint simulation demonstration is required, first move the two adjusting plates 13 on the mandibular simulation stand 4 according to the actual demonstration situation to facilitate the movement of the lower dental mold 5. When the lower dental mold 5 moves to a suitable position, rotate the two adjusting screws 14 into the corresponding two adjusting screw holes respectively to fix the lower dental mold 5 on the mandibular simulation stand 4. Then start the electric cylinder 8 to make the electric cylinder 8 pull the pushing plate 9 and the two pushing frames 10, so that the two pushing rods 6 can drive the mandibular simulation stand 4 to rotate on the zygomatic bone simulation stand 2 for opening and closing actions, thereby demonstrating the movement relationship of the temporomandibular joint in this state.

[0054] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A temporomandibular joint simulation demonstration device, characterized in that: include: Bottom plate (1); A zygomatic bone simulation frame (2), wherein the zygomatic bone simulation frame (2) is located on one side of the base plate (1) via a support seat; An upper dental model (3), wherein the upper dental model (3) is detachably connected to one side of the zygomatic bone simulation frame (2); A mandibular simulation frame (4), the mandibular simulation frame (4) being rotatably connected to the lower side of the zygomatic bone simulation frame (2) via two rotating seats; A lower dental model (5), the lower dental model (5) being detachably connected to one side of the mandibular simulation frame (4) via an adjustment seat; A push rod (6), wherein two push rods (6) are provided, and the two push rods (6) are respectively located on two sides of the mandibular simulation frame (4), and the mandibular simulation frame (4) is provided with a groove for the push rod (6) to slide; A pushing component is arranged between the two pushing rods (6).

2. A temporomandibular joint simulation demonstration device according to claim 1, characterized in that: The pushing component comprises: A mounting block (7), the mounting block (7) being located on one side of the support seat; An electric cylinder (8), the electric cylinder (8) being mounted on a top end of the mounting block (7); A push plate (9), the push plate (9) being fixedly connected to an output end of the electric cylinder (8); A pushing frame (10), wherein two pushing frames (10) are provided, the two pushing frames (10) are symmetrically connected to one side of the pushing plate (9), and the two pushing frames (10) are respectively fixedly connected to the two pushing rods (6).

3. A temporomandibular joint simulation demonstration device according to claim 2, characterized in that: The rotating seat comprises: A connecting frame (11), wherein a connecting column is fixedly connected between the connecting frame (11) and the zygomatic bone simulation frame (2); A rotating shaft (12), the rotating shaft (12) being fixedly connected to the connecting frame (11), and a rotating opening matching the rotating shaft (12) is provided on the mandibular simulation frame (4).

4. A temporomandibular joint simulation demonstration device according to claim 3, characterized in that: The adjustment seat comprises: An adjustment plate (13), wherein two adjustment plates (13) are provided, and the two adjustment plates (13) are symmetrically connected to two sides of the lower dental mold (5); An adjusting screw (14), wherein the adjusting screw (14) is threadedly connected between each adjusting plate (13) and the mandibular simulation frame (4), and the adjusting plate (13) is provided with a plurality of adjusting screw grooves matching the adjusting screw (14).

5. A temporomandibular joint simulation demonstration device according to claim 4, characterized in that: The support base comprises: A support plate (15), the support plate (15) being fixedly connected to the top end of the base plate (1), and the mounting block (7) being fixedly connected to the support plate (15); A support block (16), wherein the support block (16) is fixedly connected to the top of the support plate (15), and the zygomatic bone simulation frame (2) is fixedly connected to the support block (16).

6. A temporomandibular joint simulation demonstration device according to claim 5, characterized in that: The zygomatic bone simulation frame (2) is provided with two grooves matching the upper dental model (3), and the upper dental model (3) is symmetrically connected with two connecting blocks (17), and the two connecting blocks (17) are both threadedly connected to the zygomatic bone simulation frame (2) by connecting screws (18).

7. A temporomandibular joint simulation demonstration device according to claim 6, characterized in that: A sliding plate (19) is fixedly connected to one side of the push plate (9), and a sliding groove for the sliding plate (19) to slide is provided on the support plate (15).

8. The temporomandibular joint simulation demonstration device according to claim 7, characterized in that: The zygomatic bone simulation frame (2) is symmetrically provided with two rotation grooves, and anti-wear pads (20) are fixedly connected in the two rotation grooves.

9. The temporomandibular joint simulation demonstration device according to claim 8, characterized in that: Two mounting screws (21) are symmetrically threadedly connected to the base plate (1), and mounting screw holes matching the mounting screws (21) are provided on the base plate (1).

10. The temporomandibular joint simulation demonstration device according to claim 9, characterized in that: A mounting groove is provided at the top of the mounting block (7), and the electric cylinder (8) is mounted in the mounting groove.

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