Supporting mechanism and 3D printing three-dimensional map ornament

Abstract

The utility model discloses a supporting mechanism and a 3D printing stereo map ornament, and relates to the technical field of map ornaments.The supporting mechanism comprises a mounting unit, a supporting unit, a driving unit, a driving unit, a driving unit, a driving unit, a driving unit, a driving unit, a driving unit, a driving unit, a driving unit, a driving unit and a driving unit, and the driving unit comprises a bottom frame, a rotating sleeve, a moving rod, a sliding block and a limiting bead, the rotating sleeve is arranged on the inner side of the bottom frame; and the limiting piece is arranged in the sliding block. The 3D map fixing device has the advantages that the moving rod is pressed to drive the rotating sleeve to rotate to the center of the inner side of the bottom frame, so that the 3D map can be tightly pressed on the inner side of the bottom frame through the end of the rotating sleeve, and a worker can better fix the 3D map conveniently; the operation of a worker is simpler; and the working efficiency of workers is improved to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of map ornaments, in particular to a supporting mechanism and a 3D printed three-dimensional map ornament. Background Art

[0002] 3D printing technology is also called rapid prototyping technology or rapid manufacturing, additive manufacturing technology. It is based on a computer three-dimensional design model. Through software layered discreteness and CNC molding systems, it uses laser beams, hot melt nozzles and other methods to layer, stack and bond special materials such as metal powder, ceramic powder, plastic, and tissue cells, and finally superimpose them to produce physical products.

[0003] 3D printed three-dimensional map ornaments can be used to display relevant information such as the geographical features of various regions, which is conducive to promoting Chinese culture and helping people understand geographical knowledge; by learning Chinese geographical knowledge, national cohesion, belief and responsibility can be enhanced; traditional geography teaching and regional culture teaching have the defects of being difficult to remember and identify. The use of three-dimensional maps is conducive to primary and secondary school students learning Chinese culture and geographical knowledge and deepening their understanding of various aspects of geography.

[0004] The existing 3D printed stereoscopic maps are mostly supported by a frame. In the process of supporting the map, the 3D map needs to be limited by a limit buckle. In the process of limiting the map, the staff needs to rotate the buckle to fix the map. The buckle is small in size, and it is inconvenient for the staff to rotate the buckle, which affects the work efficiency of the staff to a certain extent. Utility Model Content

[0005] In view of the above-mentioned prior art problems, the present utility model is proposed.

[0006] The utility model aims to provide a supporting mechanism, which aims to solve the problem that in the existing 3D map installation process, a buckle needs to be rotated to fix the map, and the buckle is small in size, which makes it inconvenient for staff to operate.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a supporting mechanism, comprising an installation unit, including a bottom frame, a rotating sleeve arranged on the inner side of the bottom frame, a moving rod arranged on the inner side of the rotating sleeve, a slider arranged on the inner side of the end of the moving rod, a limiting bead arranged on the end of the slider, and a limiting member arranged inside the slider.

[0008] As a preferred solution of the support mechanism of the utility model, wherein: the bottom frame includes a groove arranged inside the bottom frame, and a limiting groove arranged on one side of the groove;

[0009] The groove includes a slide groove arranged on the inner wall thereof;

[0010] The groove is communicated with the limiting groove.

[0011] As a preferred solution of the support mechanism of the utility model, wherein: the rotating sleeve includes a limit plate arranged on its side wall, an arc-shaped groove arranged on the side wall of the rotating sleeve, and a positioning hole arranged on the inner wall of the rotating sleeve;

[0012] The rotating sleeve matches the groove; the limiting plate passes through the limiting groove and extends to the outside thereof.

[0013] As a preferred solution of the support mechanism of the utility model, wherein: the moving rod includes a return spring arranged at its end, a guide rod arranged on the side wall of the moving rod, a moving groove arranged at the end of the moving rod, and a moving hole arranged on one side of the moving groove;

[0014] The moving rod is matched with the rotating sleeve; the return spring is matched with the arc groove; the return spring is matched with the slide groove; the return spring passes through the arc groove and extends to the inner side of the slide groove.

[0015] As a preferred solution of the support mechanism of the utility model, wherein: the slider includes a connecting rod arranged inside, and a push rod arranged at the end of the slider;

[0016] The push rod includes a circular groove disposed at an end thereof;

[0017] The sliding block is matched with the moving groove; the pushing rod is matched with the moving hole; and the circular groove is matched with the limiting bead.

[0018] As a preferred solution of the support mechanism of the utility model, wherein: the movable hole includes a through hole arranged on one side thereof;

[0019] The limiting bead is matched with the movable hole; the limiting bead passes through the through hole and extends to the outside thereof; the limiting bead is matched with the positioning hole.

[0020] As a preferred solution of the support mechanism of the utility model, wherein: the limiter comprises a rotating shaft arranged on its end surface, a waist hole arranged on the end of the limiter, and a tension spring arranged on the side wall of the limiter;

[0021] The movable groove includes an axial hole arranged inside the movable groove;

[0022] The rotating shaft is matched with the shaft hole; the waist hole is matched with the connecting rod.

[0023] As a preferred solution of the support mechanism of the utility model, wherein: the limit member is arranged on the inner side of the movable groove; one end of the tension spring is connected to the limit member; the other end of the tension spring is connected to the inner wall of the movable groove.

[0024] The beneficial effects of the support mechanism of the utility model are as follows: by pressing the moving rod, the rotating sleeve can be driven to rotate to the center position inside the bottom frame, so that the end of the rotating sleeve can press the 3D map against the inside of the bottom frame, thereby making it easier for the staff to fix the 3D map; making it easier for the staff to operate; and improving the work efficiency of the staff to a certain extent.

[0025] Another object of the utility model is to provide a 3D printed three-dimensional map ornament, which aims to solve the problem that the existing 3D map frame support is unstable and the 3D map may topple over during use.

[0026] In order to solve the above technical problems, the utility model also provides the following technical solutions: a 3D printed three-dimensional map ornament, which includes a support mechanism; and a support unit, including a support plate, a first hinge seat arranged on one side of the support plate, a support rod arranged inside the first hinge seat, a second hinge seat arranged at the end of the support rod, and a bottom plate arranged at the end of the second hinge seat;

[0027] The support plate is matched with the bottom frame.

[0028] As a preferred solution of the 3D printed three-dimensional map ornament of the utility model, wherein: one end of the support rod is hinged to the first hinge seat; the other end of the support rod is hinged to the second hinge seat; the end of the rotating sleeve is in contact with the end surface of the support plate.

[0029] The beneficial effects of the 3D printed three-dimensional map ornament of the utility model are as follows: by using the support rod hinged between the support plate and the bottom plate, the support plate can be better supported, ensuring that the 3D map located on the inner side of the support plate can be displayed more intuitively and three-dimensionally, and the device has a simple structure and is more convenient for staff to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 It is a structural schematic diagram of the utility model.

[0032] Figure 2 It is a schematic diagram of the explosion structure in the utility model.

[0033] Figure 3 It is a schematic diagram of the connection structure between the limit member and the rotating sleeve in the utility model.

[0034] Figure 4 It is a schematic diagram of the slider structure in the utility model.

[0035] Figure 5 For the utility model Figure 1 A is a partial enlarged view of the DETAILED DESCRIPTION

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0037] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0038] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0039] Example 1

[0040] Reference Figure 1 to Figure 3 , which is the first embodiment of the utility model, and this embodiment provides a supporting mechanism, including, an installation unit 100, including a bottom frame 101, a rotating sleeve 102 arranged on the inner side of the bottom frame 101, a moving rod 103 arranged on the inner side of the rotating sleeve 102, a slider 104 arranged on the inner side of the end of the moving rod 103, a limiting bead 105 arranged on the end of the slider 104, and a limiting member 106 arranged inside the slider 104.

[0041] Preferably, the center position of the bottom frame 101 is a hollow structure, and the interior of the bottom frame 101 is a "step-shaped" structure, so that the 3D map can be closely attached to the inner side of the bottom frame 101; the rotating sleeve 102 is set to penetrate the bottom frame 101 and extend to its outside, and the movement of the moving rod 103 can drive the rotating sleeve 102 to rotate; so that the movement of the moving rod 103 can drive the rotating sleeve 102 to rotate, and after the rotating sleeve 102 rotates to the center position of the bottom frame 101; the set slider 104 can push the limiting bead 105 to move, so that the limiting bead 105 moves to the outside of the rotating sleeve 102, so that the limiting bead 105 can be limited on the inner side of the bottom frame 101; by rotating the set limiting member 106, the slider 104 can be driven to move in the horizontal direction, and then the movement of the slider 104 can push the limiting bead 105 to move.

[0042] When in use, the staff needs to fix the 3D map on the inner side of the bottom frame 101, and use the support plate 201 to press the 3D map on the inner side of the bottom frame 101; by pushing the limiter 106, the limiter 106 drives the slider 104 to move, so that the limiter bead 105 slides to the inner side of the moving rod 103; then by pressing the moving rod 103, the moving rod 103 moves along the vertical direction to drive the rotating sleeve 102 to rotate; the rotating sleeve 102 rotates to the center position of the bottom frame 101, and the end of the rotating sleeve 102 is aligned with the bottom frame 101. The end faces of the support plate 201 are in contact with each other; thereby, the 3D map can be fixed on the inner side of the bottom frame 101; when the rotating sleeve 102 is flipped to a suitable angle, the position of the limiting bead 105 corresponds to the position of the positioning hole 102c; then the hand pressing the limiting member 106 is released, and the limiting member 106 is reset to drive the slider 104 to move, so that the slider 104 can push the position of the limiting bead 105 and the positioning hole 102c, thereby fixing the position of the rotating sleeve 102; thereby, the 3D map is fixed on the inner side of the bottom frame 101.

[0043] In summary, by utilizing the cooperation between the rotating sleeve 102 and the moving rod 103, the support plate 201 can be better pressed against the inner side of the bottom frame 101, and thus the 3D map can be fixed on the inner side of the bottom frame 101; by pressing the moving rod 103, the rotating sleeve 102 can be driven to flip, thereby making the device easier to operate and more convenient for staff to operate.

[0044] Example 2

[0045] Reference Figure 1 to Figure 5 , which is the second embodiment of the utility model, includes: the bottom frame 101 includes a groove 101a arranged inside it, and a limiting groove 101b arranged on one side of the groove 101a; the groove 101a includes a sliding groove 101a-1 arranged on the inner wall thereof; the groove 101a is connected to the limiting groove 101b.

[0046] Preferably, four groups of grooves 101a are provided, and the four groups of grooves 101a are symmetrically arranged in pairs at the ends of the bottom frame 101, and the provided grooves 101a are connected to the limiting grooves 101b; the positions of the provided grooves 101a correspond to the positions of the limiting grooves 101b.

[0047] Furthermore, the rotating sleeve 102 includes a limiting plate 102a arranged on its side wall, an arc groove 102b arranged on the side wall of the rotating sleeve 102, and a positioning hole 102c arranged on the inner wall of the rotating sleeve 102; the rotating sleeve 102 matches the groove 101a; the limiting plate 102a passes through the limiting groove 101b and extends to its outside.

[0048] Preferably, the rotating sleeve 102 is adapted to the bottom frame 101, and the bottom of the limiting plate 102a is in contact with the inner wall of the limiting groove 101b; the end of the rotating sleeve 102 is in contact with the bottom of the limiting groove 101b, and the limiting plate 102a passes through the limiting groove 101b and extends to the inside of the bottom frame 101; the rotating sleeve 102 rotates along the axial direction inside the bottom frame 101; the rotating sleeve 102 can be located inside the bottom frame 101 and rotated, and when the rotating sleeve 102 is rotated to the center position inside the bottom frame 101, the rotating sleeve 102 can press the support plate 201 inside the bottom frame 101.

[0049] Furthermore, the moving rod 103 includes a return spring 103a arranged at its end, a guide rod 103b arranged on the side wall of the moving rod 103, a moving groove 103c arranged at the end of the moving rod 103, and a moving hole 103d arranged on one side of the moving groove 103c; the moving rod 103 is adapted to the rotating sleeve 102; the return spring 103a is adapted to the arc groove 102b; the return spring 103a is adapted to the slide groove 101a-1; the return spring 103a passes through the arc groove 102b and extends to the inner side of the slide groove 101a-1.

[0050] Preferably, the moving rod 103 is located on the inner side of the rotating sleeve 102, and the reset spring 103a moves along the arc track inside the arc groove 102b; the movement of the moving rod 103 can drive the reset spring 103a to move, and the reset spring 103a can push the rotating sleeve 102 to rotate while moving along the track inside the slide groove 101a-1, and the rotating sleeve 102 can be flipped to a position centered with the bottom frame 101; the set reset spring 103a can drive the moving rod 103 to reset, so that the movement of the moving rod 103 can drive the rotating sleeve 102 to rotate; the movement of the set moving rod 103 can compress the reset spring 103a, and the moving rod 103 can drive the rotating sleeve 102 to rotate along the axial direction inside the bottom frame 101 while moving in the vertical direction; thereby, it can better facilitate the operation of the staff.

[0051] Furthermore, the slider 104 includes a connecting rod 104a arranged inside, and a push rod 104b arranged at the end of the slider 104; the push rod 104b includes a circular groove 104b-1 arranged at its end; the slider 104 is adapted to the movable groove 103c; the push rod 104b is adapted to the movable hole 103d; the circular groove 104b-1 is adapted to the limiting bead 105.

[0052] Preferably, the slider 104 slides inside the moving groove 103c, and the slider 104 slides to the inside of the moving hole 103d, and at the same time the slider 104 pushes the limiting bead 105 to move, so that the limiting bead 105 passes through the through hole 103d-1 and extends to the outside of the moving rod 103, so that the limiting bead 105 can be adapted to the positioning hole 102c; thereby, the position between the moving rod 103 and the rotating sleeve 102 can be fixed, and then the rotating sleeve 102 and the support plate 201 are in contact; the set slider 104 can limit the rotating sleeve 102 to ensure that the 3D map can be fixed between the support plate 201 and the bottom frame 101.

[0053] Furthermore, the movable hole 103d includes a through hole 103d-1 provided on one side thereof; the limiting bead 105 is matched with the movable hole 103d; the limiting bead 105 penetrates the through hole 103d-1 and extends to the outside thereof; the limiting bead 105 is matched with the positioning hole 102c.

[0054] Preferably, the through hole 103d-1 is adapted to the limiting bead 105, so that the outer wall of the limiting bead 105 can contact the through hole 103d-1, and the outer wall of the limiting bead 105 can protrude from the outer wall of the moving rod 103; through the cooperation between the limiting bead 105 and the positioning hole 102c, the position of the rotating sleeve 102 and the moving rod 103 can be fixed, so that the rotating sleeve 102 presses the support plate 201 against the inner side of the bottom frame 101; the cooperation between the limiting member 106 and the positioning hole 102c can realize the fixing of the position of the rotating sleeve 102 and the moving rod 103.

[0055] Furthermore, the limiting member 106 includes a rotating shaft 106a arranged on its end face, a waist hole 106b arranged on the end of the limiting member 106, and a tension spring 106c arranged on the side wall of the limiting member 106; the movable groove 103c includes an axial hole 103c-1 arranged therein; the rotating shaft 106a is adapted to the axial hole 103c-1; the waist hole 106b is adapted to the connecting rod 104a; the limiting member 106 is arranged on the inner side of the movable groove 103c; one end of the tension spring 106c is connected to the limiting member 106; the other end of the tension spring 106c is connected to the inner wall of the movable groove 103c.

[0056] Preferably, the setting limit member 106 is located inside the movable groove 103c and rotates, and the rotating shaft 106a rotates along the axial direction of the shaft hole 103c-1; the connecting rod 104a passes through the waist hole 106b and extends to its outside, and the connecting rod 104a moves along the trajectory direction inside the waist hole 106b, and the slider 104 is driven to move along the inside of the movable groove 103c as the setting limit member 106 rotates; thereby, the slider 104 can be driven to move by the setting limit member 106 rotating; and the setting tension spring 106c can make the setting limit member 106 push the slider 104 to move, so that the slider 104 pushes the setting limit bead 105 and makes the setting limit bead 105 pass through the outside of the movable rod 103.

[0057] When in use, when the 3D map needs to be touched and fixed, the limiter 106 is pulled so that the limiter 106 is turned along the axis of the moving groove 103c; as the waist hole 106b rotates, the tension spring 106c can be driven to move, and as the limiter 106 rotates, the tension spring 106c is in a stretched rotation; as the limiter 106 rotates, the end of the limiter 106 pushes the slider 104 to move, and while the connecting rod 104a moves along the inner wall of the waist hole 106b, the slider 104 moves along the inner wall of the moving groove 103c, and while the slider 104 moves, it pushes the push rod 104b to gradually move away from the moving hole 103d; Then the circular groove 104b-1 no longer contacts the side wall of the limiting bead 105, and the limiting bead 105 is no longer squeezed by the slider 104; the limiting bead 105 no longer cooperates with the positioning hole 102c; at this time, under the rebound force of the return spring 103a, the moving rod 103 moves in the vertical direction, and the moving rod 103 moves while driving the return spring 103a to move along the trajectory inside the arc groove 102b and the sliding groove 101a-1; the movement of the return spring 103a drives the rotating sleeve 102 to flip, and the turning of the rotating sleeve 102 drives the limiting plate 102a to rotate, so that the limiting plate 102a flips The support plate 201 is then moved to the inner side of the limiting groove 101b, so that the limiting plate 102a no longer contacts the end surface of the support plate 201, and the support plate 201 can be taken out from the bottom frame 101; the above operation can more easily complete the disassembly of the 3D map; when the support plate 201 needs to be pressed against the inner side of the bottom frame 101; it is also necessary to move the limiting member 106 so that the limiting member 106 rotates to drive the slider 104 away from the limiting bead 105, so that the limiting bead 105 falls back to the inner side of the moving hole 103d, and then press the moving rod 103, so that the moving rod 103 moves and drives the rotating sleeve 102 to rotate, so that the limiting plate 10 2a is rotated to a position where the end surface of the support plate 201 is flush; then when the limiting plate 102a is flipped to a suitable position, the position of the limiting bead 105 corresponds to the position of the positioning hole 102c; then the hand pressing the limiting member 106 is released; under the action of the rebound force of the tension spring 106c, the limiting member 106 is pushed to rotate, so that the limiting member 106 pushes the slider 104 to move, and then the push rod 104b can push the limiting bead 105 to move to the outside of the moving rod 103, so that the position between the rotating sleeve 102 and the moving rod 103 can be fixed by utilizing the cooperation between the limiting bead 105 and the positioning hole 102c.

[0058] In summary, by pressing the moving rod, the rotating sleeve can be driven to rotate to the center position inside the bottom frame, so that the end of the rotating sleeve can press the 3D map against the inside of the bottom frame, thereby making it easier for the staff to fix the 3D map; making it easier for the staff to operate; and improving the staff's work efficiency to a certain extent.

[0059] Example 3

[0060] Reference Figure 1 , which is the third embodiment of the utility model, this embodiment further provides a 3D printed three-dimensional map ornament, including a support unit 200, including a support plate 201, a first hinge seat 202 arranged on one side of the support plate 201, a support rod 203 arranged inside the first hinge seat 202, a second hinge seat 204 arranged at the end of the support rod 203, and a base plate 205 arranged at the end of the second hinge seat 204.

[0061] Preferably, the support plate 201 is cooperated with the bottom frame 101, and the 3D bottom plate can be pressed by the cooperation between the support plate 201 and the bottom frame 101; the support rod 203 is arranged so that both ends can be rotated, which can better drive the hinged rotation between the support plate 201 and the bottom plate 205, and the support rod 203 can be used to better support the support plate 201; there is a certain friction between the support rod 203 and the second hinge seat 204, so that the support rod 203 can be rotated to a suitable angle for fixation.

[0062] Furthermore, one end of the support rod 203 is hinged to the first hinge seat 202 ; the other end of the support rod 203 is hinged to the second hinge seat 204 ; and the end of the rotating sleeve 102 is in contact with the end surface of the support plate 201 .

[0063] Preferably, one end of the support rod 203 is hinged to the first hinge seat 202, so that the support rod 203 can rotate along the direction of the axial hole opened inside the first hinge seat 202; as the support rod 203 rotates, a certain angle between the base plate 205 and the support plate 201 can be utilized; so that the support rod 203 supports the support plate 201, and while supporting the support plate 201, it can also support the bottom frame 101.

[0064] During use, the operator installs the 3D map on the inner side of the bottom frame 101; in order to facilitate the operator to intuitively penetrate the 3D map, the operator adjusts the flipping angle of the support rod 203; so that the support rod 203 is located between the support plate 201 and the bottom plate 205 and tilted at a certain angle; it can be more convenient for the user to observe the map; the device can intuitively display the ups and downs of the terrain; it is more convenient for the staff to use.

[0065] In summary, by hingedly connecting the support rod between the support plate and the bottom plate, the support plate can be better supported, ensuring that the 3D map located on the inner side of the support plate can be displayed more intuitively and three-dimensionally, and the device has a simple structure and is more convenient for staff to operate.

[0066] It is important to note that the above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A supporting mechanism, characterized in that: include, The mounting unit (100) comprises a bottom frame (101), a rotating sleeve (102) arranged inside the bottom frame (101), a moving rod (103) arranged inside the rotating sleeve (102), a sliding block (104) arranged inside the end of the moving rod (103), a limiting bead (105) arranged at the end of the sliding block (104), and a limiting member (106) arranged inside the sliding block (104).

2. The support mechanism according to claim 1, characterized in that: The bottom frame (101) comprises a groove (101a) arranged inside the bottom frame, and a limiting groove (101b) arranged on one side of the groove (101a); The groove (101a) comprises a slide groove (101a-1) arranged on its inner wall; The groove (101a) is communicated with the limiting groove (101b).

3. The support mechanism according to claim 2, characterized in that: The rotating sleeve (102) comprises a limiting plate (102a) arranged on a side wall thereof, an arc-shaped groove (102b) arranged on the side wall of the rotating sleeve (102), and a positioning hole (102c) arranged on an inner wall of the rotating sleeve (102); The rotating sleeve (102) matches the groove (101a); the limiting plate (102a) passes through the limiting groove (101b) and extends to the outside thereof.

4. The support mechanism according to claim 3, characterized in that: The moving rod (103) comprises a return spring (103a) arranged at its end, a guide rod (103b) arranged on the side wall of the moving rod (103), a moving groove (103c) arranged at the end of the moving rod (103), and a moving hole (103d) arranged on one side of the moving groove (103c); The moving rod (103) is matched with the rotating sleeve (102); the return spring (103a) is matched with the arc groove (102b); the return spring (103a) is matched with the slide groove (101a-1); the return spring (103a) passes through the arc groove (102b) and extends to the inner side of the slide groove (101a-1).

5. The support mechanism according to claim 4, characterized in that: The slider (104) comprises a connecting rod (104a) arranged inside, and a push rod (104b) arranged at the end of the slider (104); The push rod (104b) comprises a circular groove (104b-1) arranged at its end; The slider (104) is matched with the movable groove (103c); the push rod (104b) is matched with the movable hole (103d); and the circular groove (104b-1) is matched with the limiting bead (105).

6. The support mechanism according to claim 5, characterized in that: The movable hole (103d) includes a through hole (103d-1) arranged on one side thereof; The limiting bead (105) is matched with the movable hole (103d); the limiting bead (105) passes through the through hole (103d-1) and extends to the outside thereof; the limiting bead (105) is matched with the positioning hole (102c).

7. The support mechanism according to claim 6, characterized in that: The limiting member (106) comprises a rotating shaft (106a) arranged on its end surface, a waist hole (106b) arranged on the end of the limiting member (106), and a tension spring (106c) arranged on the side wall of the limiting member (106); The movable groove (103c) comprises an axial hole (103c-1) arranged inside the movable groove (103c); The rotating shaft (106a) is matched with the shaft hole (103c-1); and the waist hole (106b) is matched with the connecting rod (104a).

8. The support mechanism according to claim 7, characterized in that: The limiting member (106) is arranged on the inner side of the movable groove (103c); one end of the tension spring (106c) is connected to the limiting member (106); and the other end of the tension spring (106c) is connected to the inner wall of the movable groove (103c).

9. A 3D printed three-dimensional map ornament, characterized in that: comprising the support mechanism according to any one of claims 1 to 8; and A support unit (200), comprising a support plate (201), a first hinge seat (202) arranged at one side of the support plate (201), a support rod (203) arranged inside the first hinge seat (202), a second hinge seat (204) arranged at the end of the support rod (203), and a bottom plate (205) arranged at the end of the second hinge seat (204); The support plate (201) is compatible with the bottom frame (101).

10. The 3D printed three-dimensional map ornament according to claim 9, characterized in that: One end of the support rod (203) is hinged to the first hinge seat (202); the other end of the support rod (203) is hinged to the second hinge seat (204); and the end of the rotating sleeve (102) is in contact with the end surface of the support plate (201).

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