Spiral expansion device assembling tool

Abstract

The utility model discloses a spiral expansion device assembling tool which comprises a bottom plate and further comprises an assembling tool body arranged at the top of the bottom plate, an expansion device body arranged on the assembling tool body and a pushing assembly arranged on the bottom plate and used in cooperation with the assembling tool body. The spiral expansion device body comprises a first mounting block, two through holes symmetrically formed in the first mounting block in the front-back direction and with the threaded hole as the center, two through holes symmetrically formed in the second mounting block in the front-back direction and with the threaded hole as the center, and a guide bolt inserted between the two through holes opposite in the front-back direction. The first installation block can be installed in the first rectangular containing groove, the second installation block can be installed in the second rectangular containing groove, and the distance between the two through holes in the first installation block is smaller than the distance between the two through holes in the second installation block.

Description

Technical Field

[0001] The present invention relates to the technical field of a spiral expander assembly tool, and in particular to a spiral expander assembly tool. Background Art

[0002] At present, with the enhancement of personal awareness of dental beauty, the fields of medical treatment, beauty, and plastic surgery are developing rapidly. The appearance of a normal dental arch is a relatively neat and regular arc, symmetrical on both sides, coordinated and natural, and consistent with the individual's facial shape and tooth shape. Too narrow dental arches are often accompanied by dental and facial problems such as crowded and uneven teeth and protruding mouths, so spiral expanders have appeared. Place the spiral expander in a suitable position, adjust the distance between the bases on both sides by rotating the rotating hole in the spiral column, and transmit the correction force to the teeth and alveolar bone through the base, thereby achieving the function of expanding the width of the upper and lower dental arches.

[0003] Most spiral expanders on the market are mainly composed of a central axis, two sliders, two guide bolts and four brackets. The two sliders are matched together through the central axis and the two guide bolts, and two brackets are installed on the outside of each slider for connecting to the base. There are rotating holes and threads on the central axis. The distance between the two sliders can be adjusted by rotating the rotating holes in the central axis stud, thereby expanding the base and achieving the purpose of expanding the dental arch. Such a structure generally has two major disadvantages: 1. When the operator bends and adjusts the bracket of the spiral expander, the bracket is prone to spinning or even falling off; 2. When the operator rotates the central axis to adjust the distance of the slider, the coordination between the central axis, the guide bolt and the slider is prone to loosening.

[0004] Most spiral expanders on the market are assembled by hand, with a central axis, two sliders, and two guide bolts. The central axis and the two guide bolts are pressed together by hand to assemble the central axis and the slider threads with a key. This assembly method generally has disadvantages: the central axis and the two sliders are assembled out of sync, resulting in inconsistent gaps on both sides. Utility Model Content

[0005] In order to solve one or some technical problems existing in the prior art, the purpose of the present application is to provide a spiral expander assembly tool. After the guide bolts are matched with the mounting block, a certain angle is formed between the guide bolts, and the two guide bolts are not parallel to each other. Therefore, the fit will become tighter and tighter during the installation of the spiral expander body.

[0006] In order to solve the above existing technical problems, one of the purposes of this application is achieved by adopting the following technical solution:

[0007] A spiral arch expander assembly tool, which includes a bottom plate, and further includes an assembly tool body disposed on the top of the bottom plate, an arch expander body disposed on the assembly tool body, and a pushing assembly disposed on the bottom plate and used in cooperation with the assembly tool body. The spiral arch expander body includes a first mounting block, a second mounting block, threaded holes opened in the middle of the first mounting block and the middle of the second mounting block, a bidirectional threaded central shaft that can be screwed between the two threaded holes, two through holes symmetrically opened on the front and back of the first mounting block with the threaded hole as the center, two through holes symmetrically opened on the front and back of the second mounting block with the threaded hole as the center, and guide bolts inserted between two relatively front and rear through holes. The first mounting block can be mounted in a first rectangular placement groove, and the second mounting block can be mounted in a second rectangular placement groove. The distance between the two through holes on the first mounting block is less than the distance between the two through holes on the second mounting block.

[0008] Further, two brackets are fixedly provided at the rear end of the first mounting block, and two brackets are fixedly provided at the front end of the second mounting block.

[0009] Further, a plurality of slots are opened on the bidirectional threaded central shaft.

[0010] Further, the guide bolt has a cylindrical structure, and the diameter of the middle section of the guide bolt is smaller than the diameters of the left and right sections of the guide bolt.

[0011] Further, the assembly tool body plays an assembling role for the arch expander body. The assembly tool body includes a movable block abutted on the top of the bottom plate, a fixed block fixedly provided on the top of the bottom plate and located on the right side of the movable block, a plurality of sets of springs fixedly provided between the movable block and the fixed block, a first rectangular placement groove opened at the right end of the top of the movable block, a second rectangular placement groove opened at the top of the fixed block, and a communication groove opened on the fixed block and communicating with the second rectangular placement groove. The communication groove is located between the first rectangular placement groove and the second rectangular placement groove.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] (1) During use, the first mounting block, the second mounting block, the bidirectional threaded central shaft, and the guide bolts are kept horizontally concentric. However, the distance between the two through holes of the first mounting block and the distance between the two through holes of the second mounting block differ by 0.12 mm. After the guide bolts are matched with the mounting blocks, a certain angle is formed between the guide bolts, and the two guide bolts are not parallel to each other. Therefore, the fit becomes tighter and tighter during the installation process of the spiral arch expander body, solving the technical problem that the cooperation between the bidirectional threaded central shaft, the guide bolts, and the mounting blocks is prone to looseness during use. Description of the Drawings

[0014] Figure 1 This is a schematic diagram of the overall structure of the present application, showing the structure diagrams of the arch expander body, the assembly tool body, and the pushing component;

[0015] Figure 2 is Figure 1 an enlarged structure diagram of part A in

[0016] Figure 3 This is a schematic diagram of the connection and installation of the bidirectional threaded central axis to the first mounting block and the second mounting block in the present application;

[0017] Figure 4 This is a schematic diagram of the arc-shaped plate in the present application;

[0018] In the figure: 1. Arch expander body; 2. Assembly tool body; 3. Pushing component; 4. Bottom plate; 5. Eccentric wheel; 6. Handle; 7. Movable block; 8. Fixed block; 9. Spring sleeve; 10. First mounting block; 11. Second mounting block; 12. First rectangular placement groove; 13. Strip-shaped placement groove; 14. Second rectangular placement groove; 15. Connecting groove; 16. Bidirectional threaded central axis; 17. Threaded hole; 18. Slot; 19. Guide bolt; 20. Through hole; 21. Bracket; 22. Arc-shaped plate; 23. Convex block. Detailed implementation manners

[0019] Next, in combination with the accompanying drawings and the detailed implementation manners, the present application will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined with each other to form new embodiments.

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0021] The terms "first", "second", etc. in the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually of the same type, and do not limit the number of objects. For example, the first object can be one or multiple. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally represents an "or" relationship between the associated objects, which is a spiral arch expander assembly tool. Embodiment

[0022] Such asFigures 1-4 As shown in the figure, this embodiment provides a spiral expander assembly tool, which includes a bottom plate 4, and further includes an assembly tool body 2 disposed on the top of the bottom plate 4, an expander body 1 disposed on the assembly tool body 2, and a pushing assembly 3 disposed on the bottom plate 4 and used in cooperation with the assembly tool body. The spiral expander body 1 includes a first mounting block 10, a second mounting block 11, a threaded hole 17 opened in the middle of the first mounting block 10 and the middle of the second mounting block 11, a bidirectional threaded central shaft 16 that can be screwed between the two threaded holes 17, two through holes 20 symmetrically opened front and back on the first mounting block 10 with the threaded hole 17 as the center, two through holes 20 symmetrically opened front and back on the second mounting block 11 with the threaded hole 17 as the center, and a guide bolt 19 inserted between the two front and back opposite through holes 20. The first mounting block 10 can be mounted in the first rectangular placement groove 12, and the second mounting block 11 can be mounted in the second rectangular placement groove 14. The distance between the two through holes 20 on the first mounting block 10 is less than the distance between the two through holes 20 on the second mounting block 11.

[0023] The spiral expander assembly tool includes a bottom plate 4, and further includes an assembly tool body 2 disposed on the top of the bottom plate 4, an expander body 1 disposed on the assembly tool body 2, and a pushing assembly 3 disposed on the bottom plate 4 and used in cooperation with the assembly tool body. The spiral expander body 1 includes a first mounting block 10, a second mounting block 11, a threaded hole 17 is opened in the middle of the first mounting block 10 and the middle of the second mounting block 11, a bidirectional threaded central shaft 16 is screwed between the two threaded holes 17, two through holes 20 are symmetrically opened front and back on the first mounting block 10 with the threaded hole 17 as the center, two through holes 20 are symmetrically opened front and back on the second mounting block 11 with the threaded hole 17 as the center, and a guide bolt 19 is inserted between the two front and back opposite through holes 20, so that the first mounting block 10 can be mounted in the first rectangular placement groove 12, and the second mounting block 11 can be mounted in the second rectangular placement groove 14. The distance between the two through holes 20 on the first mounting block 10 is less than the distance between the two through holes 20 on the second mounting block 11. During use, the first mounting block 10, the second mounting block 11, the bidirectional threaded central shaft 16, and the guide bolt 19 are kept horizontally concentric, but the distance between the two through holes 20 on the mounting block 1 and the distance between the two through holes 20 on the mounting block differ by 0.12 mm. After the guide bolt 19 is fitted with the mounting block, a certain angle is formed between the guide bolts 19, and the two guide bolts 19 are not parallel to each other. Therefore, the fit becomes tighter and tighter during the installation of the spiral expander body 1, solving the technical problem that the cooperation between the bidirectional threaded central shaft 16, the guide bolt 19, and the mounting block is prone to looseness during use.

[0024] Furthermore, a plurality of slots 18 are opened on the bidirectional threaded central shaft 16. The setting of the plurality of slots 18 facilitates the use of an iron nail to screw the bidirectional threaded central shaft 16.

[0025] ​Further, an arc-shaped plate 22 is provided on the upper side of the bidirectional threaded central shaft 16. The arc-shaped plate 22 is welded to the two guide bolts 19. A convex block 23 is provided at the bottom of the arc-shaped plate 22, so that the convex block 23 can be inserted into the slot 18. In this way, after the position of the bidirectional threaded central shaft 16 is screwed in place, the insertion of the convex block 23 into the slot 18 is used to limit the bidirectional threaded central shaft 16 and achieve the anti-rotation function of the bidirectional threaded central shaft 16.

[0026] Further, the guide bolt 19 is in a cylindrical structure, and the diameter of the middle section of the guide bolt 19 is smaller than the diameters of the left and right sections of the guide bolt 19. In this way, it is used to create an operating space for the structures of several slots 18 of the bidirectional threaded central shaft 16.

[0027] Further, the assembly tool body 2 plays an assembly role for the arch expander body 1. The assembly tool body 2 includes a movable block 7 abutted on the top of the bottom plate 4, a fixed block 8 fixedly arranged on the top of the bottom plate 4 and on the right side of the movable block 7, several sets of springs 9 fixedly arranged between the movable block 7 and the fixed block 8, a rectangular placement groove one 12 opened at the right end of the top of the movable block 7, a rectangular placement groove two 14 opened at the top of the fixed block 8, and a communication groove 15 opened on the fixed block 8 and communicating with the rectangular placement groove two 14. The communication groove 15 is located between the rectangular placement groove one 12 and the rectangular placement groove two 14.

[0028] The assembly tool body 2 includes a movable block 7 abutted on the top of the bottom plate 4. A fixed block 8 is fixedly arranged on the top of the bottom plate 4 on the right side of the movable block 7. Several sets of springs 9 are fixedly arranged between the movable block 7 and the fixed block 8. The setting of the sets of springs 9 plays a role in limiting the movement of the movable block 7. A rectangular placement groove one 12 is opened at the right end of the top of the movable block 7. A rectangular placement groove two 14 is opened at the top of the fixed block 8. A communication groove 15 is opened on the fixed block 8 and communicating with the rectangular placement groove two 14, so that the communication groove 15 is located between the rectangular placement groove one 12 and the rectangular placement groove two 14. During use, the two guide bolts 19 and the bidirectional threaded central shaft 16 are inserted into the threaded holes 17 and through holes 20 on the corresponding mounting block two 11. The mounting block two 11, the bracket 21, the bidirectional threaded central shaft 16 and the guide bolts 19 are placed in the corresponding rectangular placement groove two 14, communication groove 15 and strip-shaped placement groove 13. The mounting block one 10 and the bracket 21 are placed in the corresponding rectangular placement groove one 12 and strip-shaped placement groove 13. In this way, when the bidirectional threaded central shaft 16 is screwed, the mounting block one 10, the mounting block two 11, the bidirectional threaded central shaft 16 and the guide bolts 19 can be kept horizontally concentric, closely attached and synchronized, so that the mounting block one 10 and the mounting block two 11 are assembled synchronously with the bidirectional threaded central shaft 16, which helps to make the gaps on both sides consistent. Compared with the prior art, the technical problem that the bidirectional threaded central shaft 16 is assembled out of sync with the mounting block one 10 and the mounting block two 11, resulting in inconsistent gaps on both sides, is solved.

[0029] Furthermore, two strip-shaped placement grooves 13 are symmetrically formed in the front and rear directions at the tops of the movable block 7 and the fixed block 8. The two strip-shaped placement grooves 13 on the left are communicated with the first rectangular placement groove 12, and the two strip-shaped placement grooves 13 on the right are communicated with the second rectangular placement groove 14. Two brackets 21 are fixedly provided at the rear end of the first mounting block 10, and two brackets 21 are fixedly provided at the front end of the second mounting block 11. The strip-shaped placement grooves 13 are provided for placing the brackets 21, so that the contact parts of the brackets 21 with the first mounting block 10 or the second mounting block 11 are strengthened by laser welding to enhance their cooperation strength, solving the problem of the brackets 21 rotating or falling off during use. The brackets 21 are in a cylindrical structure, one end is fixed on both sides of the slider, the other end is connected to the base, and the base is in contact with the jawbone and teeth. The expansion force is transmitted to the jawbone through the brackets 21 to achieve the purpose of arch expansion in orthodontic clinics.

[0030] Furthermore, the pushing component 3 includes an eccentric wheel 5 rotatably arranged on the top of the base plate 4. The rotation point on the eccentric wheel 5 is not at the center of the eccentric wheel 5. The eccentric wheel 5 abuts against the movable block 7, and a handle 6 is fixedly provided on the eccentric wheel.

[0031] When this technical solution is not available, the following problems are likely to occur: it is inconvenient to push the movable block 7, thus making it inconvenient to realize the extrusion installation of the guide bolt 19 and the mounting block.

[0032] The pushing component 3 includes an eccentric wheel 5 rotatably arranged on the top of the base plate 4. The rotation point on the eccentric wheel 5 is not at the center of the eccentric wheel 5. The eccentric wheel 5 abuts against the movable block 7, and a handle 6 is fixedly provided on the eccentric wheel. During use, the handle 6 is rotated, the handle 6 drives the eccentric wheel 5 to rotate, the eccentric wheel 5 pushes the movable block 7 to move, the movable block 7 drives the first mounting block 10 to move towards the second mounting block 11, and finally the two guide bolts 19 and the bidirectional threaded central shaft 16 are inserted into the two through holes 20 and the threaded hole 17 on the corresponding first mounting block 10.

[0033] The assembly steps of the assembled screw expansion appliance body 1 are as follows. S1, installation preparation: Insert two guide bolts 19 and a bidirectional threaded central shaft 16 into the threaded holes 17 and through holes 20 on the corresponding second mounting block 11. S2, Place the second mounting block 11, the bracket 21, the bidirectional threaded central shaft 16 and the guide bolts 19 in the corresponding rectangular placement groove two 14, the communication groove 15 and the strip-shaped placement groove 13. S3, Place the first mounting block 10 and the bracket 21 in the corresponding rectangular placement groove one 12 and the strip-shaped placement groove 13. S4, Turn the handle 6. The handle 6 drives the eccentric wheel 5 to rotate. The eccentric wheel 5 pushes the movable block 7 to move. The movable block 7 drives the first mounting block 10 to move towards the second mounting block 11. Finally, the two guide bolts 19 and the bidirectional threaded central shaft 16 are inserted into the two through holes 20 and the threaded hole 17 on the corresponding first mounting block 10. S5, Use an iron nail to insert the iron nail into several slots 18, and rotate the bidirectional threaded central shaft 16 in a cycle. By using the rotation of the bidirectional threaded central shaft 16, connect the first mounting block 10 and the second mounting block 11, and gradually shorten the distance between the first mounting block 10 and the second mounting block 11. At the same time, still push the movable block 7 to move so that they are synchronized. Meanwhile, the guide bolts 19 will also be squeezed into the space between the two relatively front and rear through holes 20. Finally, the production assembly of the screw expansion appliance body 1 is realized.

[0034] The above embodiments are only the preferred embodiments of the present application and cannot be used to limit the scope of protection of the present application. Any non-substantive changes and substitutions made by those skilled in the art based on the present application belong to the scope of protection required by the present application.

Claims

1. A spiral arch expander assembly tool, comprising a bottom plate (4), characterized in that: It further includes an assembly tool body (2) disposed on the top of the bottom plate (4), an expansion arch body (1) disposed on the assembly tool body (2), and a pushing component (3) disposed on the bottom plate (4) and used in cooperation with the assembly tool body. The expansion arch body (1) includes a first mounting block (10), a second mounting block (11), threaded holes (17) opened in the middle of the first mounting block (10) and the middle of the second mounting block (11), a bidirectional threaded central shaft (16) that can be screwed between the two threaded holes (17), two through holes (20) symmetrically opened front and back on the first mounting block (10) with the threaded hole (17) as the center, two through holes (20) symmetrically opened front and back on the second mounting block (11) with the threaded hole (17) as the center, and a guide bolt (19) inserted between two relatively front and rear through holes (20). The first mounting block (10) can be mounted in a first rectangular placement groove (12), the second mounting block (11) can be mounted in a second rectangular placement groove (14), and the distance between the two through holes (20) on the first mounting block (10) is less than the distance between the two through holes (20) on the second mounting block (11).

2. The assembling tool for a screw expander according to claim 1, wherein: Two brackets (21) are fixedly provided at the rear end of the first mounting block (10), and two brackets (21) are fixedly provided at the front end of the second mounting block (11).

3. The assembling tool for a screw expander according to claim 1, characterized in that: A plurality of slots (18) are opened on the bidirectional threaded central shaft (16).

4. The assembling tool for a screw expander according to claim 1, characterized in that: The guide bolt (19) has a cylindrical structure, and the diameter of the middle section of the guide bolt (19) is smaller than the diameters of the left and right sections of the guide bolt (19).

5. A spiral arch expander assembly tool according to claim 1, characterized in that: The assembly tool body (2) plays a role in assembling the expansion arch body (1). The assembly tool body (2) includes a movable block (7) abutted on the top of the bottom plate (4), a fixed block (8) fixedly provided on the top of the bottom plate (4) and located on the right side of the movable block (7), a plurality of sets of springs (9) fixedly provided between the movable block (7) and the fixed block (8), a first rectangular placement groove (12) opened at the right end of the top of the movable block (7), a second rectangular placement groove (14) opened at the top of the fixed block (8), and a communication groove (15) opened on the fixed block (8) and communicating with the second rectangular placement groove (14). The communication groove (15) is located between the first rectangular placement groove (12) and the second rectangular placement groove (14).

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