Navigation support and navigation equipment

Abstract

The utility model discloses a navigation support and navigation equipment, the navigation support is used for connecting a navigation component, the navigation support is characterized in that the navigation support comprises a support shell, the support shell is installed on a base, a cavity is arranged in the support shell, and one side of the cavity is communicated with the outer wall of one side of the support shell; the balance arms comprise the first balance arm and the second balance arm, the first end of the first balance arm is rotationally connected with the top of the cavity, and the bottom of the second balance arm is rotationally connected with the second end of the first balance arm; one end of the connecting arm is rotationally connected with the top of the second balance arm, and the other end of the connecting arm is used for being connected with a navigation component; when the navigation support is in the storage state, the first balance arm is stored in the cavity, and the second balance arm is close to or makes contact with the first balance arm. According to the utility model, the occupied space is reduced, and the operation convenience is improved.

Description

Technical Field

[0001] This utility model relates to the field of diagnostic and treatment technology, and in particular to a navigation bracket and navigation device. Background Technology

[0002] Modern medicine has made substantial progress in areas such as in vitro diagnostics, microsurgery, medical imaging, and minimally invasive treatments, with a plethora of cross-disciplinary and multi-faceted diagnostic and treatment methods emerging. Due to the continuous development of medical imaging equipment and the rapid advancements in medical imaging technology, sub-disciplines such as CT, MR, interventional radiography, ultrasound, and nuclear medicine have been gradually established, and the discipline of medical imaging technology has also gradually taken shape.

[0003] Medical imaging information is becoming more sensitive, intuitive, specific, and early-developing. Image analysis is evolving from qualitative to quantitative, and from displaying diagnostic information to providing surgical pathway plans; image cameras and displays are evolving from two-dimensional analog to three-dimensional fully digital; image storage is evolving from hard film copies to soft copies and filmless systems, and even to networked image transmission; and it is evolving from single image technologies to comprehensive image technologies.

[0004] To adapt to the digitalization, networking, and integration of medical imaging, it is necessary to establish a perspective that integrates the three disciplines of diagnosis, technology, and engineering. A single discipline can no longer fulfill the functions of modern medical imaging.

[0005] Taking root canal treatment as an example, the dentist needs to completely open the pulp chamber, locate all the root canals, and treat them. Humans generally have 1-4 root canals per tooth, with the posterior teeth having the most. In cases of multi-rooted teeth, due to age-related changes, the deposition of reparative dentin, pulp stones, pulp chamber calcification, or variations in root canal morphology, making it difficult to locate the root canal orifices, it is necessary to utilize the three-dimensional anatomy of the tooth to understand and view the anatomical morphology of the pulp chamber from various directions and positions. X-rays taken using various projection methods are used to understand and indicate the number, shape, location, direction, and curvature of the roots and root canals; the relationship between the roots and the crown; and various possible variations in the anatomical morphology of the roots and root canals. Since some teeth can have up to four root canals, and there may be complex situations such as lateral root canals, accessory root canals, apical bifurcation, and apical furcation, these can be missed even under magnified observation. It is necessary to estimate the possible location of the root canal. If necessary, a small ball bur can be used to remove a small amount of dentin at the possible or expected location of the root canal in the developmental groove. Then, a sharp probe can be used to try to pierce any calcified areas to point out the root canal orifice. The dentin collar at the neck of the tooth is removed to expose the location of the root canal orifice. In other words, if there is calcification of the root canal orifice, the dentist needs to repeatedly probe each possible location, which inevitably leads to the removal of too much healthy tooth tissue.

[0006] Currently, preoperative dental X-rays are frequently used to help doctors determine the drilling point and depth for the target tooth. First, doctors need to devote some time to memorizing the root crown morphology, and may even have to pause the surgery to re-examine the X-rays; second, human observation errors can easily lead to deviations in the drill entry point, and the drilling path and depth rely on the doctor's experience, making accurate positioning impossible.

[0007] To address the aforementioned technical problems, existing technologies include image navigation systems and conventional navigation devices, such as patent application number 202230618735.6, entitled "Dental Navigation Operating Table," used for dental navigation, and patent application number 201721502362.6, entitled "Central Control Platform for Navigation," used for orthopedic navigation. However, these structures occupy a large amount of space, especially in dentistry. Existing dental clinics are often small, requiring space for a sink, lighting, and instrument table on one side of the dental chair. Adding navigation devices would further encroach on operating space, impacting ease of operation. Furthermore, the navigation devices also occupy considerable space when not in use. Therefore, resolving these technical problems is a direction that those skilled in the art need to address. Summary of the Invention

[0008] The purpose of this invention is to provide a navigation bracket and navigation device. By using this structure, space occupancy can be reduced and it is convenient to use.

[0009] To achieve the above objectives, the technical solution adopted by this utility model is: a navigation bracket, which is used to connect navigation components, and the navigation bracket includes:

[0010] A support housing is mounted on a base, and a chamber is provided inside the support housing, one side of which communicates with one outer wall of the support housing.

[0011] The balance arm includes a first balance arm and a second balance arm. The first end of the first balance arm is connected to the top of the chamber, and the bottom of the second balance arm is connected to the second end of the first balance arm. The first balance arm can rotate relative to the support housing about a first axis, and the second balance arm can rotate relative to the first balance arm about a second axis. The first axis is parallel to the second axis.

[0012] A connecting arm, one end of which is connected to the top of the second balance arm, and the other end is used to connect to the navigation component. The connecting arm is rotatable relative to the second balance arm about a third axis, which is perpendicular to the second axis.

[0013] A stabilizing component is also provided, which stabilizes the balance arm and / or connecting arm at the corresponding position when they are rotated to any angle;

[0014] When the navigation bracket is in its retracted state, the first balance arm is stored inside the cavity, and the second balance arm is close to or in contact with the first balance arm.

[0015] In the above technical solution, the stabilizing component at the balance arm includes a gas spring and a connecting rod. The bottom of the gas spring is rotatably connected to the inner wall of the chamber, and the output shaft at the top of the gas spring is rotatably connected to the upper side wall of the first balance arm.

[0016] The connecting rod is disposed inside the first balance arm. One end of the connecting rod is rotatably connected to the top of the chamber, and the other end of the connecting rod is rotatably connected to the bottom of the second balance arm. The connecting rod ensures that the second balance arm is always vertically positioned.

[0017] In the above technical solution, the front end of the chamber is connected to the front end face of the support housing, and a host placement bracket is installed on the front end face of the second balance arm;

[0018] And / or, the host placement bracket is positioned near the bottom of the second counterweight arm.

[0019] In the above technical solution, the connecting arm includes a first connecting arm and a second connecting arm. The first end of the first connecting arm is connected to the top of the second balance arm, the first end of the second connecting arm is connected to the second end of the first connecting arm, and the navigation component is rotatably connected to the second end of the second connecting arm.

[0020] The first connecting arm is rotatable relative to the second balance arm about a third axis, and the second connecting arm is rotatable relative to the first balance arm about a fourth axis, wherein the third axis is arranged parallel to the first axis.

[0021] In the above technical solution, the stabilizing component at the connecting arm is a damping element. The damping element is provided at the connection between the first connecting arm and the second balance arm, and at the connection between the second connecting arm and the first connecting arm.

[0022] In the above technical solution, the navigation component can rotate relative to the second connecting arm around the fourth rotating axis, and the fourth rotating axis is respectively perpendicular to the first rotating axis and the third rotating axis.

[0023] In the above technical solution, the second connecting arm can rotate above the first connecting arm.

[0024] In the above technical solution, a first connector is provided on the side wall of the first balance arm, and a second connector is provided on the second balance arm. When the navigation bracket is in the stored state, the first connector is in contact with the second connector.

[0025] The first connector and the second connector are magnetically attached together.

[0026] In the above technical solution, multiple movable rollers are rotatably mounted on the bottom of the base.

[0027] In the above technical solution, the bottom of the base is also equipped with multiple sets of braking components. When the braking components are in use, the bottom plane of the braking components is flush with the bottom plane of the moving roller, or the bottom plane of the braking components is located below the bottom plane of the moving roller. When the braking components are not in use, the bottom plane of the braking components is located above the bottom plane of the moving roller.

[0028] In the above technical solution, the brake component includes a brake disc and a mounting part. The top of the mounting part is mounted on the bottom of the base. The top of the brake disc is vertically movably connected to the mounting part. A pusher is rotatably mounted on the mounting part above the brake disc. The top of the brake disc is provided with a lower cam surface. The bottom surface of the pusher is provided with an upper cam surface facing the lower cam surface.

[0029] When the pusher rotates in the first direction, it pushes the brake disc downward via the upper cam surface and the lower cam surface; when the pusher rotates in the second direction, the brake disc moves upward.

[0030] In the above technical solution, an elastic element is provided in the mounting part. The elastic element is connected to the brake disc via a connecting component. When the pushing component rotates in the second upward direction, the elastic element pushes the brake disc to move upward.

[0031] And / or, the outer surface of the pusher is provided with a positioning hole or a positioning protrusion.

[0032] This utility model also provides a navigation device, including a navigation component and the above-mentioned navigation bracket, wherein the navigation component is rotatably mounted on the end of the connecting arm.

[0033] The above technical solution also includes a host computer, which is connected to the navigation component via a line, and the host computer is detachably mounted on the second balance arm;

[0034] And / or, the host is a laptop or tablet;

[0035] And / or, the navigation component includes a lens.

[0036] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0037] 1. In this utility model, a chamber is directly set inside the support housing, and the balance arm is rotatably connected to the top of the chamber. A balance component is also provided to ensure that the navigation support remains balanced and stable in the corresponding position during the deployment of the navigation support. When not deployed, the first balance arm can be stored in the chamber, and the second balance arm is close to the first balance arm. In this way, the navigation support has a longer arm span when in use, so it can be placed outside the treatment space without occupying the operating space, thus improving the convenience of operation. At the same time, when not in use, it can be stored away to reduce the space occupied.

[0038] 2. The connecting arm in this utility model includes a first connecting arm and a second connecting arm. The first connecting arm is used for axial rotational connection with the second balance arm, and the second connecting arm is used for connecting the navigation component and is rotatable with the first connecting arm. In this way, the arm span of the navigation bracket is longer. At the same time, in the storage state, the second connecting arm can rotate above the first connecting arm, making the overall size of the navigation bracket smaller and occupying less space in the storage state.

[0039] 3. In the folded state of the navigation bracket of this utility model, the first balance arm and the second balance arm can be attracted by the first connector and the second connector, so that the first balance arm and the second balance arm are stably connected to the bracket housing in the folded state without shaking, and prevent damage to the navigation components caused by the opening of the navigation bracket.

[0040] 4. In this utility model, a brake component is also provided at the bottom of the base. The brake component adopts a cam structure, which can ensure that the navigation bracket will not move or shake during use, thus ensuring the stability of the navigation device during use and ensuring the guiding accuracy and navigation effect.

[0041] 5. The brake component in this utility model adopts a cam structure, which can reduce the space occupied by the base, lower the height of the base, make the center of gravity of the navigation bracket lower, make the navigation bracket more stable as a whole, prevent the problem of tipping over, and improve the stability and safety during use.

[0042] 6. The present invention includes a main unit bracket for quick installation and disassembly of the main unit, which allows for replacement of the main unit, improving ease of use and enhancing expandability. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the structure of the navigation component installed on the navigation bracket in Embodiment 1 of this utility model (with the balance arm retracted);

[0044] Figure 2 yes Figure 1 The structural schematic diagram of the middle support shell is not shown;

[0045] Figure 3This is a schematic diagram of the structure of the navigation component installed on the navigation bracket in Embodiment 1 of this utility model (with the balance arm extended);

[0046] Figure 4 yes Figure 3 The structural schematic diagram of the middle support shell is not shown;

[0047] Figure 5 This is a cross-sectional view of the connection between the balance arm and the support housing in Embodiment 1 of this utility model;

[0048] Figure 6 This is a schematic diagram of the brake component in Embodiment 1 of this utility model (with tools installed and the brake disc in a downward position);

[0049] Figure 7 This is a schematic diagram of the brake component in Embodiment 1 of this utility model (with tools installed and the brake disc in an upward position);

[0050] Figure 8 This is an exploded view of the brake component in Embodiment 1 of this utility model.

[0051] The components are as follows: 1. Navigation component; 2. Bracket housing; 3. Base; 4. Chamber; 5. Balance arm; 6. First balance arm; 7. Second balance arm; 8. Connecting arm; 9. Winding frame; 10. Gas spring; 11. Connecting rod; 12. First connecting plate; 13. Second connecting plate; 14. Third connecting plate; 15. First positioning point; 16. Second positioning point; 17. Third positioning point; 18. Fourth positioning point; 19. Extension; 20. Main unit mounting bracket; 21. First connecting arm; 22. Second connecting arm; 23. First connector; 24. Second connector; 25. Moving roller; 26. Brake component; 27. Brake disc; 28. Mounting part; 29. ​​Pushing component; 30. Lower cam surface; 31. Upper cam surface; 32. Tool; 33. Handle; 34. Elastic element; 35. Connecting component. Detailed Implementation

[0052] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0053] Example 1: See Figures 1-8 As shown, a navigation bracket is used to connect a navigation component 1, and the navigation bracket includes:

[0054] A support housing 2 is mounted on a base 3. The support housing 2 has a chamber 4 inside, and one side of the chamber 4 is connected to one side of the outer wall of the support housing 2.

[0055] The balance arm 5 includes a first balance arm 6 and a second balance arm 7. The first end of the first balance arm 6 is kinetically connected to the chamber 4, and the bottom of the second balance arm 7 is connected to the second end of the first balance arm 6. The first and second ends of the first balance arm 6 are respectively located at both ends of the first balance arm 6 (in the illustrated retracted state, the first end is at the top of the first balance arm, and the second end is at the bottom of the first balance arm). The first balance arm can rotate relative to the support housing around a first axis, and the second balance arm can rotate relative to the first balance arm around a second axis, with the first axis parallel to the second axis.

[0056] A connecting arm 8, one end of which is connected to the top of the second balance arm 7, and the other end of which is used to connect to the navigation component 1; and the connecting arm can rotate relative to the second balance arm about a third rotating axis, the third rotating axis being perpendicular to the second rotating axis.

[0057] A stabilizing component is also provided, which stabilizes the balance arm and connecting arm at the corresponding positions when they are rotated to any angle.

[0058] In the retracted state of the navigation bracket, the first balance arm 6 is housed within the chamber 4, and the second balance arm 7 is close to or in contact with the first balance arm 6. In this embodiment, in the retracted state, the second balance arm is positioned close to the first balance arm.

[0059] In this embodiment, the navigation component is installed at the end of the connecting arm, and the other end of the connecting arm is rotatably connected to the top of the connecting arm. A chamber is provided within the bracket housing. In this embodiment, as shown in the accompanying drawings, the front end of the chamber is connected to the front face of the bracket housing. In the retracted state, the first balance arm is retracted into the chamber, at which point the first balance arm is in a vertical state, or essentially vertical (with a slight tilt). The second balance arm is essentially vertical, with its rear end face close to the front end face of the first balance arm. Thus, the first balance arm is inside the bracket housing, while the second balance arm is partially inside the chamber, or essentially close to the bracket housing. More preferably, the top plane of the second balance arm is above the top plane of the bracket housing, allowing the connecting arm to rotate closer to the bracket housing, or to rotate above the top of the bracket housing. This way, the entire navigation bracket occupies only slightly more space than the bracket housing itself, resulting in a small footprint.

[0060] Therefore, in this embodiment, the first and second rotating shafts are arranged horizontally, and the third rotating shaft is arranged vertically. When needed, the operator applies external force, which can be applied to the balance arm through the connecting arm or directly to the second balance arm. The top of the second balance arm can be positioned relatively away from or close to the first balance arm, while the bottom of the first balance arm can detach from the chamber and retract into it. Taking the application of external force to the second balance arm as an example, when the second balance arm is pulled forward, its top can extend forward relative to the first balance arm, meaning the connecting arm and navigation component extend forward, adjusting the distance between the navigation component and the support housing. When the second balance arm is pulled forward further, the bottom of the first balance arm rotates upward and forward, causing the top of the connecting arm to move upward synchronously with the second balance arm, thus adjusting the height of the top of the navigation component. Due to the stabilizing component, after the balance arm and connecting arm rotate, they can remain stable in any position without being subjected to other external forces (or under external forces not exceeding a certain limit), thus ensuring navigation stability during navigation. In one embodiment, the connection between the first balance arm and the second balance arm can be damped, the rotatable connection between the first balance arm and the support housing is also damped, and the connection between the connecting arm and the second balance arm is also damped. Therefore, when the first balance arm rotates relative to the second balance arm, the first balance arm and the second balance arm will not rotate relative to each other at any position. When the connecting arm rotates relative to the second balance arm at any position, it will not wobble. It will only rotate when the external force it receives is greater than the damping.

[0061] See Figure 2 , 4 As shown in Figure 5, the stabilizing component at the balance arm 5 includes a gas spring 10 and a connecting rod 11. The bottom of the gas spring 10 is rotatably connected to the inner wall of the chamber 4, and the output shaft at the top of the gas spring 10 is rotatably connected to the upper side wall of the first balance arm 6.

[0062] The connecting rod 11 is disposed inside the first balance arm 6. One end of the connecting rod 11 is rotatably connected to the top of the chamber 4, and the other end of the connecting rod 11 is rotatably connected to the bottom of the second balance arm 7. The connecting rod 11 ensures that the second balance arm 7 is always vertically positioned.

[0063] A first connecting plate 12 is provided at the top of the chamber 4. The first connecting plate 12 can be connected to the top of the chamber at the top and can also be connected to the rear end of the chamber at the rear end. The top of the first balance arm 6 is rotatably connected to the first connecting plate 12. A second connecting plate 13 is provided on the rear end of the chamber, and the second connecting plate 13 is located below the first connecting plate 12. A third connecting plate 14 is provided on the rear end of the first balance arm 6. When the first balance arm 6 is stored in the chamber, the third connecting plate 14 is located between the first connecting plate 12 and the second connecting plate 13. The bottom of the gas spring 10 is rotatably connected to the second connecting plate 13, and the top of the gas spring 10 is rotatably connected to the first connecting plate 12. One end of the connecting rod 11 is rotatably connected to the first connecting plate 12, and the other end of the connecting rod 11 is rotatably connected to the bottom of the second balance arm 7. The first connecting plate 12 has a first positioning point 15 and a second positioning point 16. The bottom of the second balance arm 7 has a third positioning point 17 and a fourth positioning point 18. The first positioning point 15 is located below and behind the second positioning point 16, and the third positioning point 17 is located below and behind the fourth positioning point 18. The top of the first balance arm is rotatably connected to the first positioning point (the first pivot is located at the first positioning point), and the bottom of the second balance arm is rotatably connected to the third positioning point (the second pivot is located at the third positioning point). The two ends of the connecting rod are rotatably connected to the second positioning point and the fourth positioning point, respectively. The first, second, third, and fourth positioning points form a parallelogram structure. Due to the existence of the parallelogram structure, when the second balance arm is pulled out, the second balance arm... The system remains vertical, and the gas spring supports the first balance arm. As the second balance arm is extended, it rotates relative to the first balance arm, simultaneously pulling the top of the first balance arm relative to the first connecting plate. This causes the bottom of the first balance arm to rotate forward and upward. Due to the parallelogram structure, the second balance arm remains vertical. When the first balance arm rotates forward and upward, its bottom moves forward away from the support housing. In other words, the second balance arm, connecting arm, and navigation component move forward away from the support housing, thus unfolding the navigation support. Similarly, when the second balance arm is pushed backward, the bottom of the first balance arm rotates backward and downward, retracting it into the cavity, thus storing the navigation support. In this invention, taking dental navigation as an example, the base is placed outside the dental clinic or on the ground away from the operating position. The balance arm and connecting arm are unfolded, allowing the navigation component to move above the dental chair (or to another position directly facing the patient's teeth). This does not occupy the dentist's operating space and improves operational convenience. When stored, the first balance arm retracts into the cavity, and the second balance arm is positioned close to the bracket housing. This reduces space occupation. When in use, its arm extension is long, does not occupy operating space, and is easy to operate.

[0064] In this embodiment, the second balance arm 7 has an L-shaped structure. The bottom of the second balance arm 7 is provided with an extension 19 extending toward the first balance arm 6. The third positioning point 17 and the fourth positioning point 18 are provided on the extension 19. The second balance arm 7 is rotatably connected to the first balance arm 6 and the connecting rod 11 through the extension 19 (the second positioning point and the fourth positioning point are parallel to the first rotating shaft).

[0065] See Figures 1-4 As shown, the front end of the chamber 4 is connected to the front end face of the support housing 2, and a host placement bracket 20 is installed on the front end face of the second balance arm 7.

[0066] The host placement bracket 20 is positioned near the bottom of the second balance arm 7.

[0067] This utility model also provides a navigation device, including a navigation component 9 and the above-mentioned navigation bracket, wherein the navigation component is rotatably mounted on the end of the connecting arm 8.

[0068] A host (not shown in the figure) is also provided, which is connected to the navigation component 1 via a line, and the host is detachably installed on the second balance arm 7;

[0069] The host computer is a laptop or tablet computer;

[0070] The navigation component includes a lens.

[0071] In this invention, the navigation component is a lens with multiple degrees of rotational freedom. The camera can also rotate circumferentially relative to the connecting arm, thereby enabling camera and navigation through the lens.

[0072] Normally, to prevent damage to the main unit during navigation bracket movement and storage, and also to reduce the overall cost of the navigation device, the main unit is detachably placed on the main unit mounting bracket of the second balance arm. When the navigation device is not in use, the main unit can be removed. In use, the main unit is placed on the mounting bracket and connected to the navigation components via wiring. The second balance arm and connecting arm have a hollow structure with internal wiring channels for connecting the main unit and navigation components. While wiring can be directly tied to the outside of the second balance arm and connecting arm using straps, this method is less aesthetically pleasing. Therefore, it is preferable to use wiring channels inside the second balance arm and connecting arm to conceal the wiring, resulting in a more aesthetically pleasing appearance and reducing the risk of damage.

[0073] See Figures 1-5As shown, the connecting arm 8 includes a first connecting arm 21 and a second connecting arm 22. The first end of the first connecting arm 21 is connected to the top of the second balance arm 7, and the first end of the second connecting arm 22 is connected to the second end of the first connecting arm 21. The navigation component 1 is rotatably connected to the second end of the second connecting arm 22. The first connecting arm can rotate relative to the second balance arm about a third axis, and the second connecting arm can rotate relative to the first balance arm about a fourth axis. The third axis is parallel to the first axis. In this embodiment, the third axis is vertically arranged, allowing the second connecting arm to rotate horizontally around the top of the second balance arm. Therefore, when the second connecting arm rotates, the distance or relative position between the navigation component and the bracket housing can be adjusted.

[0074] The stabilizing component at the connecting arm 8 is a damping element. The damping element is provided at the connection between the first connecting arm 21 and the second balance arm 7, and a damping element is also provided at the connection between the second connecting arm 22 and the first connecting arm 21.

[0075] The navigation component is rotatable relative to the second connecting arm around a fourth rotating axis, which is perpendicular to both the first and third rotating axes. In this embodiment, the fourth rotating axis is longitudinally positioned and parallel to the extension direction of the second connecting arm. In this embodiment, the first rotating axis is transversely positioned, the second rotating axis is vertically positioned, and the fourth rotating axis is longitudinally positioned; therefore, the position of the navigation component along the X, Y, and Z axes can be adjusted.

[0076] The second connecting arm 22 is rotatable above the first connecting arm 21.

[0077] In this embodiment, the first end and the second end of the first connecting arm are respectively located at both ends of the first connecting arm, and the first end and the second end of the second connecting arm are respectively located at both ends of the second connecting arm. Taking the illustrated direction as an example, the bottom rear end of the first connecting arm is rotatably connected to the top of the second balance arm. The first connecting arm can rotate around the second balance arm on the horizontal plane, adjusting the position of the navigation component on the horizontal plane. The second connecting arm rotates up and down with the front end of the first connecting arm. In use, the second connecting arm is flipped forward so that it is at the front end of the first connecting arm, with the lens of the navigation component facing downwards, corresponding to the location to be navigated. The navigation component can rotate circumferentially relative to the end plane of the second end of the second connecting arm to adjust the shooting angle of the navigation component. When not in use, the second connecting arm can be flipped so that it rotates above the first connecting arm for storage, reducing space occupation. The stabilizing components of both the first and second connecting arms use damping components. Therefore, when the first and second connecting arms rotate, the damping resistance ensures that they are stable when rotating to the corresponding positions, guaranteeing stability and safety during navigation.

[0078] See Figures 1-4 As shown, the first balance arm 6 is provided with a first connector 23 on its side wall, and the second balance arm 7 is provided with a second connector 24. When the navigation bracket is in its retracted state, the first connector 23 is in contact with the second connector 24.

[0079] The first connector 23 and the second connector 24 are magnetically attached together.

[0080] In this embodiment, to ensure that the first and second balance arms do not extend during movement when folded and stowed, thus serving as a locking and limiting mechanism, a first connector and a second connector are provided. When the navigation bracket is stowed, the first and second connectors are magnetically connected, thus providing a limiting effect. A certain external force is required to pull the second balance arm forward so that after the first and second connectors separate, the balance arm can unfold synchronously and normally. Preferably, at least one of the first and second connectors is a magnetic component, and the other is a magnetic component or a component that can be magnetically attracted. For example, in one embodiment, the first connector is a magnet, and the second connector is an iron block. When they come into contact, the first connector can be attracted to the second connector, thereby limiting the stowage of the first and second balance arms.

[0081] See Figures 1-5 As shown, multiple movable rollers 25 are rotatably mounted on the bottom of the base 3. The movable rollers facilitate the movement of the navigation bracket on the ground.

[0082] See Figures 1-8As shown, a brake component 26 is also installed at the bottom of the base 3. When the brake component 26 is in use, the bottom plane of the brake component 26 is flush with the bottom plane of the movable roller 25, or the bottom plane of the brake component 26 is located below the bottom plane of the movable roller 25. When the brake component 26 is not in use, the bottom plane of the brake component 26 is located above the bottom plane of the movable roller 25.

[0083] In this invention, in order to lower the center of gravity of the navigation device as much as possible, and to improve the stability and safety of the navigation device during use and movement, and to prevent it from tipping over, the distance between the bottom surface of the base and the bottom surface of the moving rollers is set to be relatively small. However, conventional moving rollers with brakes occupy a large amount of space on the bottom surface of the base, resulting in the center of gravity of the navigation device not being low enough and making it easy to tip over. Therefore, in this embodiment, moving rollers are used and a special braking component is provided, which can reduce the space occupied at the bottom, making the center of gravity of the navigation device lower, more stable, and less prone to tipping over.

[0084] Among them, see Figures 6-8 As shown, the brake component 26 includes a brake disc 27 and a mounting part 28. The top of the mounting part 28 is mounted on the bottom of the base 3. The top of the brake disc 27 is vertically movably connected to the mounting part 28. A pusher 29 is rotatably provided on the mounting part 28 above the brake disc 27. The top of the brake disc 27 is provided with a lower cam surface 30. The bottom surface of the pusher 29 is provided with an upper cam surface 31 facing the lower cam surface 30.

[0085] When the pusher 29 rotates in the first direction, the pusher 29 pushes the brake disc 27 downward via the upper cam surface 31 and the lower cam surface 30; when the pusher 29 rotates in the second direction, the brake disc 27 moves upward.

[0086] An elastic element 34 is provided in the mounting part 28. The elastic element 34 is connected to the brake disc 27 via the connecting part 35. When the pushing member 29 rotates in the second upward direction, the elastic element 34 pushes the brake disc 27 to move upward. The rotation direction in the first direction is opposite to the rotation direction in the second reverse direction.

[0087] The outer surface of the pusher 29 is provided with a positioning hole or a positioning protrusion.

[0088] In this embodiment, the elastic element is a spring. The bottom of the spring rests against the bottom surface inside the mounting part, connecting the component and the brake disc, thereby enabling vertical movement of the brake disc and the mounting part. The top of the spring rests against the bottom of the connecting component. When the pushing component rotates in the second opposite direction, the upper cam surface moves away from the lower cam surface, causing the spring to return to its original position, pushing the connecting component upwards, and thus moving the brake disc upwards. The connecting component and elastic element are located inside the mounting part, reducing the vertical space occupied and thus minimizing the height space occupied by the brake component. In this embodiment, a brake disc is mounted on top of the brake component. The bottom of the brake disc is made of rubber or silicone material, which has high friction. A positioning hole or positioning protrusion is provided on the outer surface of the protrusion. Since the distance between the base and the bottom surface is relatively small, a screwdriver or other tool 32 is inserted into the positioning hole or positioning protrusion, and then external force is applied to rotate the pushing component. After the brake disc position is adjusted, the tool can be removed. Due to the design of the upper and lower cam surfaces, each cam surface is an inclined plane facing upwards or downwards from one end to the other. Therefore, when the pusher rotates, it moves the brake disc upwards or downwards via the upper and lower cam surfaces. When the brake disc moves downwards, it rests against the ground, effectively braking the navigation bracket and preventing the moving roller from moving the navigation bracket on the ground. When the brake disc moves upwards so that its bottom plane is above the bottom plane of the moving roller, it releases the limit on the navigation bracket, allowing the navigation bracket to move on the ground via the moving roller.

[0089] The mounting section features a hollow, downward-extending protrusion at the center of its bottom surface. The top of this protrusion has a recessed cavity, and vertical grooves on both sides connect to the cavity. A connecting component moves vertically within the recessed cavity. The upper part of the brake disc is fitted over the hollow protrusion and connected to the connecting component via a pin or through the vertical groove. A spring is positioned within the recessed cavity, with its bottom resting against the bottom surface of the cavity and its top against the bottom surface of the connecting component. This allows the spring to automatically push the brake disc upwards and reset.

[0090] Of course, in this invention, the brake component can also be another similar cam-driven structure, whichever is appropriate for the specific situation. Alternatively, the brake component can be omitted, and the navigation bracket will not move unless subjected to external force.

[0091] In this embodiment, a push handle 33 and a winding rack 9 are also provided on the side wall of the bracket housing. The push handle 33 facilitates the movement of the navigation bracket, while the winding rack 9 facilitates the storage of the navigation device's wiring.

[0092] In the description of this utility model, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. In the description of the invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0093] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. For instance, the two components can be mechanically connected by contact or abutting; they can also be directly hooked or connected by an intermediate medium; or they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

Claims

1. A navigation bracket, the navigation bracket being used to connect navigation components, characterized in that: The navigation bracket includes: A support housing is mounted on a base, and a chamber is provided inside the support housing, one side of which communicates with one outer wall of the support housing. The balance arm includes a first balance arm and a second balance arm. The first end of the first balance arm is connected to the top of the chamber, and the bottom of the second balance arm is connected to the second end of the first balance arm. The first balance arm can rotate relative to the support housing about a first axis, and the second balance arm can rotate relative to the first balance arm about a second axis. The first axis is parallel to the second axis. A connecting arm, one end of which is connected to the top of the second balance arm, and the other end of which is used to connect to the navigation component. The connecting arm is rotatable relative to the second balance arm about a third axis, which is perpendicular to the second axis. A stabilizing component is also provided, which stabilizes the balance arm and / or connecting arm at the corresponding position when they are rotated to any angle; When the navigation bracket is in its retracted state, the first balance arm is stored inside the cavity, and the second balance arm is close to or in contact with the first balance arm.

2. The navigation bracket according to claim 1, characterized in that: The stabilizing component at the balance arm includes a gas spring and a connecting rod. The bottom of the gas spring is rotatably connected to the inner wall of the chamber, and the output shaft at the top of the gas spring is rotatably connected to the upper side wall of the first balance arm. The connecting rod is disposed inside the first balance arm. One end of the connecting rod is rotatably connected to the top of the chamber, and the other end of the connecting rod is rotatably connected to the bottom of the second balance arm. The connecting rod ensures that the second balance arm is always vertically positioned.

3. The navigation bracket according to claim 1, characterized in that: The front end of the chamber is connected to the front end face of the support housing, and a main unit placement bracket is installed on the front end face of the second balance arm. And / or, the host placement bracket is positioned near the bottom of the second counterweight arm.

4. The navigation bracket according to claim 1, characterized in that: The connecting arm includes a first connecting arm and a second connecting arm. The first end of the first connecting arm is connected to the top of the second balance arm, and the first end of the second connecting arm is connected to the second end of the first connecting arm. The navigation component is rotatably connected to the second end of the second connecting arm. The first connecting arm is rotatable relative to the second balance arm about a third axis, and the second connecting arm is rotatable relative to the first balance arm about a fourth axis, wherein the third axis is arranged parallel to the first axis.

5. The navigation bracket according to claim 4, characterized in that: The stabilizing component at the connecting arm is a damping element. The damping element is provided at the connection between the first connecting arm and the second balance arm, and at the connection between the second connecting arm and the first connecting arm.

6. The navigation bracket according to claim 4, characterized in that: The navigation component can rotate relative to the second connecting arm about a fourth rotating axis, which is respectively perpendicular to the first rotating axis and the third rotating axis.

7. The navigation bracket according to claim 4, characterized in that: The second connecting arm is rotatable above the first connecting arm.

8. The navigation bracket according to claim 1, characterized in that: The first balance arm has a first connector on its side wall, and the second balance arm has a second connector. When the navigation bracket is in its retracted state, the first connector is in contact with the second connector. The first connector and the second connector are magnetically attached together.

9. The navigation bracket according to claim 1, characterized in that: The base has multiple rotatable casters mounted on its bottom.

10. The navigation bracket according to claim 9, characterized in that: The base is also equipped with multiple sets of braking components. When the braking components are in use, the bottom plane of the braking components is flush with the bottom plane of the moving roller, or the bottom plane of the braking components is below the bottom plane of the moving roller. When the braking components are not in use, the bottom plane of the braking components is above the bottom plane of the moving roller.

11. The navigation bracket according to claim 10, characterized in that: The braking component includes a brake disc and a mounting part. The top of the mounting part is mounted on the bottom of the base. The top of the brake disc is vertically movably connected to the mounting part. A pusher is rotatably mounted on the mounting part above the brake disc. The top of the brake disc is provided with a lower cam surface. The bottom surface of the pusher is provided with an upper cam surface facing the lower cam surface. When the pusher rotates in the first direction, it pushes the brake disc downward via the upper cam surface and the lower cam surface; when the pusher rotates in the second direction, the brake disc moves upward.

12. The navigation bracket according to claim 11, characterized in that: An elastic element is provided in the mounting part. The elastic element is connected to the brake disc via a connecting component. When the pushing component rotates in the second upward direction, the elastic element pushes the brake disc to move upward. And / or, the outer surface of the pusher is provided with a positioning hole or a positioning protrusion.

13. A navigation device, characterized in that: It includes a navigation component and a navigation bracket as described in any one of claims 1-12, wherein the navigation component is rotatably mounted on the end of the connecting arm.

14. The navigation device according to claim 13, characterized in that: A host computer is also provided, which is connected to the navigation component via a line, and the host computer is detachably installed on the second balance arm; And / or, the host is a laptop or tablet; And / or, the navigation component includes a lens.

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