Caster central control device and ultrasonic equipment

Abstract

The utility model provides a trundle central control device and ultrasonic equipment. The trundle central control device comprises a base, a central control trundle, a transmission mechanism and a pedal. When a user actually uses the ultrasonic equipment, the central control caster can be easily switched between the locking state and the releasing state only by treading the pedal, so that the ultrasonic equipment is locked and unlocked, and the operation is labor-saving and efficient. Moreover, the base comprises a base body and a cover body connected to the base body, through the detachable cover body arranged corresponding to the trundle area, a user can directly open the cover body to overhaul or replace a cam, a transmission mechanism, a central control trundle and other components in the trundle area, the whole base or the whole equipment does not need to be disassembled, the maintenance efficiency is greatly improved, and the maintenance cost is reduced. And the maintenance cost is effectively reduced, and the user experience is improved.

Description

Technical Field

[0001] This utility model relates to the field of ultrasonic equipment technology, and in particular to a caster central control device and ultrasonic equipment. Background Technology

[0002] When using mobile medical equipment, healthcare professionals will stop the equipment at the appropriate location based on their operational and diagnostic needs.

[0003] Currently, these types of medical devices generally use a central braking mechanism to centrally lock and unlock the casters. This central braking mechanism is usually installed at the bottom of the machine, and to achieve unified control of multiple casters, they are typically designed as an integrated unit.

[0004] When any single caster experiences mechanical failure such as jamming, the central control brake mechanism must be removed from the bottom of the machine before the corresponding caster can be inspected or replaced, making maintenance difficult and costly. Utility Model Content

[0005] The purpose of this invention is to solve the technical problem that in existing ultrasonic equipment, when any single set of casters experiences mechanical failure such as jamming, the central control brake mechanism must be removed from the bottom of the machine before the corresponding caster can be inspected or replaced, which is difficult and costly to maintain.

[0006] To solve the above-mentioned technical problems, this utility model provides a caster central control device, comprising:

[0007] The base includes a seat body and a cover connected to the seat body; the seat body has an open top and is hollow inside, the interior space of the seat body includes a main body area and a caster area arranged outside the main body area and communicating with the main body area, and the cover is detachably connected to the opening of the seat body and arranged corresponding to the caster area;

[0008] A centrally controlled caster is connected to the base and arranged corresponding to the caster area; the centrally controlled caster includes a wheel body and a cam disposed on the wheel body, the cam being rotatable and having a locking position for locking the centrally controlled caster and a releasing position for releasing the centrally controlled caster; the wheel body passes through the base, the bottom of the wheel body is arranged below the base and is movable on the ground, and the top of the wheel body and the cam are arranged in the caster area;

[0009] A transmission mechanism is disposed inside the base body. The transmission mechanism includes a central control shaft and a caster shaft that is pulsatorically connected to the central control shaft. The caster shaft is connected to the cam. The central control shaft can rotate relative to the base around its own axis.

[0010] A pedal is connected to the central control shaft; an external force is applied to the pedal, causing the central control shaft to rotate relative to the base in a first direction or a second direction, the first direction being opposite to the second direction; the central control shaft can be linked to the caster shaft to rotate, thereby driving the cam to rotate and causing the cam to switch between the locked position and the released position.

[0011] In some embodiments of this application, the caster central control device further includes a linkage mechanism, the linkage mechanism including a connecting rod and a central control crank and a caster crank rotatably connected to both ends of the connecting rod; the central control crank is rotatably connected to the central control shaft, and the caster crank is rotatably connected to the caster shaft;

[0012] The central control shaft rotates relative to the base, and the central control shaft can drive the central control crank to rotate, so that the central control crank drives the connecting rod to move, so that the connecting rod drives the caster crank to rotate, thereby realizing the rotation of the caster shaft.

[0013] In some embodiments of this application, the outline of the main body area is rectangular, and there are four caster areas respectively located at the four corners of the main body area; there are four central control casters respectively located in the four caster areas, and the caster shaft on each central control caster is connected to the central control shaft through a set of linkage mechanisms.

[0014] In some embodiments of this application, the caster central control device further includes a torsion spring, which is sleeved on the central control shaft; one end of the torsion spring is connected to the pedal, and the other end of the torsion spring is fixed to the seat body;

[0015] When an external force presses down on the pedal, the torsion spring undergoes elastic deformation; when the torsion spring recovers its elastic deformation, the pedal returns to its original position.

[0016] In some embodiments of this application, an external force is applied to the pedal, and the pedal can rotate relative to the base via the central control shaft, so that the pedal has a first working position and a second working position;

[0017] When the pedal is in the first working position, the pedal can drive the central control shaft to rotate in the first direction, thereby locking the central control caster and causing the torsion spring to undergo elastic deformation; when the torsion spring recovers its elastic deformation, the central control shaft can rotate in the second direction, thereby releasing the central control caster and placing the pedal in the second working position.

[0018] In some embodiments of this application, the caster central control device further includes a rebound mechanism, the rebound mechanism including a slider movable relative to the seat and a fork connected to the slider; the seat is provided with a groove, the slider can drive the fork to move and rotate in the groove; the fork rotates relative to the seat, so that the fork has a first position and a second position;

[0019] The slider is connected to the pedal, and an external force drives the pedal, so that the pedal can move the slider relative to the seat, and the shift fork can switch between the first position and the second position.

[0020] When an external force presses down on the pedal, causing the shift fork to move and rotate to the first position, the shift fork can be relatively fixed on the base, so that the pedal can be fixed at the first work position, thereby keeping the central control caster in a locked state;

[0021] When an external force drives the pedal to rotate the shift fork to the second position, the shift fork can disengage from the seat to release the pedal from the first position. At this time, the torsion spring can restore its elastic deformation and drive the central control shaft to rotate in the second direction, thereby releasing the central control caster and causing the pedal to rotate to the second position.

[0022] In some embodiments of this application, the rebound mechanism further includes a connecting seat, the connecting seat being fixed to the seat body and having the sliding groove inside the connecting seat;

[0023] The end region of the slide groove is formed with a locking groove. When the fork rotates to the first position, the fork can lock into the locking groove to fix the fork on the connecting seat. When the fork rotates to the second position, the fork can disengage from the locking groove to detach from the fixing of the connecting seat.

[0024] In some embodiments of this application, the rebound mechanism further includes a rebound crank, one end of which is rotatably connected to the pedal, and the other end of which is rotatably connected to the slider.

[0025] In some embodiments of this application, the rebound mechanism further includes a spring, one end of which is connected to the end of the slider away from the rebound crank, and the other end of which abuts against the inner wall of the seat.

[0026] This utility model also provides an ultrasonic device, including a main unit, a control panel and a display screen connected to the main unit by signal, and the aforementioned caster central control device; the caster central control device is disposed at the bottom of the main unit, and the main unit is connected to the top opening of the seat and arranged corresponding to the main body area.

[0027] As can be seen from the above technical solution, the beneficial effects of this utility model are as follows: In the caster central control device and ultrasonic equipment of this utility model, the caster central control device includes a base, a central control caster, a transmission mechanism, and a pedal. In actual use, the user only needs to step on the pedal to easily switch the central control caster between the locked and released states, thereby locking and unlocking the ultrasonic equipment, making operation labor-saving and efficient. Furthermore, the base includes a seat and a cover connected to the seat. Through the detachable cover arranged corresponding to the caster area, the user can directly open the cover to inspect or replace components such as the cam, transmission mechanism, and central control caster inside the caster area without disassembling the entire base or the entire equipment, significantly improving maintenance efficiency, effectively reducing maintenance costs, and enhancing the user experience. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of an embodiment of the caster central control device of this utility model.

[0029] Figure 2 yes Figure 1 The side view of the caster center control device shown.

[0030] Figure 3 yes Figure 1 A top view of the caster center control device shown.

[0031] Figure 4 yes Figure 1 The diagram shows the internal structure of the caster control device.

[0032] Figure 5 yes Figure 4 A schematic diagram of the internal structure of the caster control device from another direction.

[0033] Figure 6 yes Figure 1 The diagram shows the structure of the rebound mechanism in the central control device for the casters.

[0034] Figure 7 yes Figure 6 The exploded view of the rebound mechanism is shown.

[0035] Figure 8 This is a schematic diagram of the structure of the ultrasonic device of this utility model.

[0036] Figure 9 yes Figure 8 The top view of the ultrasound equipment shown.

[0037] The reference numerals in the attached drawings are explained as follows: 100, central control device for casters; 10, base; 11, seat body; 111, main body area; 112, caster area; 12, cover; 13, extension edge; 20, central control caster; 201, front caster; 202, rear caster; 21, wheel body; 30, transmission mechanism; 31, central control pivot; 32, caster pivot; 40, pedal; 41, foot pedal; 42, connecting arm; 50, linkage mechanism. Structure; 51. Connecting rod; 511. Straight section; 512. Transition section; 513. Extension section; 52. Central control crank; 53. Caster crank; 60. Torsion spring; 70. Rebound mechanism; 71. Slider; 72. Shift fork; 73. Connecting seat; 74. Slide groove; 75. Snap-fit ​​slot; 76. Rebound crank; 77. Spring; 200. Main unit; 300. Control panel; 400. Display screen; 1000. Ultrasonic equipment. Detailed Implementation

[0038] Typical embodiments embodying the features and advantages of this utility model will be described in detail in the following description. It should be understood that this utility model can have various variations in different embodiments, all of which do not depart from the scope of this utility model, and the descriptions and illustrations therein are for illustrative purposes only and not intended to limit this utility model.

[0039] In the description of this application, it should be understood that, in the embodiments shown in the accompanying drawings, the indications of direction or positional relationships (such as up, down, left, right, front, and back) are merely for the convenience of describing this application 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. These descriptions are appropriate when these elements are in the positions shown in the accompanying drawings. If the description of the positions of these elements changes, these directional indications also change accordingly.

[0040] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0041] See Figures 1 to 3 One embodiment of this application provides a caster central control device 100, which can be mounted on the bottom of the main body of the equipment to realize the movement of the entire equipment and to fix the equipment in the desired position. The caster central control device 100 of this application includes a base 10, a central control caster 20, a transmission mechanism 30, and a pedal 40.

[0042] The base 10 includes a seat body 11 and a cover 12 connected to the seat body 11. The seat body 11 has an open top and is hollow inside. The internal space of the seat body 11 includes a main body area 111 and a caster area 112 arranged outside and communicating with the main body area 111. The cover 12 is detachably connected to the opening of the seat body 11 and is arranged corresponding to the caster area 112. A centrally controlled caster 20 is connected to the seat body 11 and is arranged corresponding to the caster area 112. The centrally controlled caster 20 includes a wheel body 21 and a cam (not shown in the figure) arranged on the wheel body 21. The cam is rotatable and has a locking position for locking the centrally controlled caster 20 and a releasing position for releasing the centrally controlled caster 20. The wheel body 21 passes through the seat body 11. The bottom of the wheel body 21 is arranged below the base 10 and can move on the ground. The top of the wheel body 21 and the cam are arranged in the caster area 112.

[0043] The transmission mechanism 30 is located inside the base 11. The transmission mechanism 30 includes a central control shaft 31 and a caster shaft 32 connected to the central control shaft 31. The caster shaft 32 is connected to a cam. The central control shaft 31 can rotate relative to the base 10 around its own axis. The pedal 40 is connected to the central control shaft 31. When an external force is applied to the pedal 40, the central control shaft 31 can rotate relative to the base 10 in a first direction or a second direction, where the first direction is opposite to the second direction. The central control shaft 31 can also rotate in conjunction with the caster shaft 32, thereby rotating the cam and switching it between a locked and a released position.

[0044] With the caster central control device 100 of this application, users can easily switch the central control caster 20 between locked and released states simply by stepping on the pedal 40, making operation effortless and efficient. Furthermore, through the detachable cover 12 corresponding to the caster area 112, users can directly open the cover 12 to inspect or replace components such as the cam, transmission mechanism 30, and central control caster 20 inside the caster area 112 without disassembling the entire base 10 or the entire device, significantly improving maintenance efficiency, effectively reducing maintenance costs, and enhancing the user experience.

[0045] In some embodiments of this application, the base 10 includes a seat 11 and a cover 12 connected to the seat 11. The seat 11 has a groove-shaped structure with an open top and a hollow interior.

[0046] In some examples, the interior space of the seat 11 includes a main body area 111 and a caster area 112 arranged outside the main body area 111 and communicating with the main body area 111. The outer contour of the main body area 111 may be rectangular, and there are four caster areas 112 respectively located at the four corners of the main body area 111. The caster areas 112 may extend outward.

[0047] The number of caster zones 112 can be set to be the same as the number of central control casters 20, with each caster zone 112 equipped with one central control caster 20. In other examples, among multiple caster zones 112, some caster zones 112 may be equipped with central control casters 20, while other caster zones 112 may be equipped with ordinary casters. Here, ordinary casters can be ordinary swivel casters that do not require control by the transmission mechanism 30.

[0048] In this example, each caster area 112 is provided with a cover 12. The cover 12 can be snapped onto the edge of the seat 11 corresponding to the opening of the caster area 112, so that the cover 12 can be detachably connected to the seat 11. The cover 12 can also be connected to the seat 11 by interference fit, or it can be detachably connected to the seat 11 by fasteners.

[0049] With the detachable cover 12 arranged in the corresponding caster area 112, users can directly open the cover 12 to inspect or replace components such as the central control caster 20 in the caster area 112 without disassembling the entire base 10 or the entire equipment, which greatly improves maintenance efficiency, effectively reduces maintenance costs, and enhances the user experience.

[0050] Furthermore, the base 10 of this example also includes an annular extension edge 13, which is disposed at the opening of the base 11 corresponding to the main body area 111. The extension edge 13 is used to connect with the main body of the equipment to realize the connection and fixation of the caster central control device 100 on the main body of the equipment.

[0051] In some embodiments of this application, each caster area 112 is provided with a centrally controlled caster 20. The centrally controlled caster 20 includes a wheel body 21 and a cam disposed on the wheel body 21. The cam is rotatable and has a locking position for locking the centrally controlled caster 20 and a releasing position for releasing the centrally controlled caster 20.

[0052] The wheel body 21 is inserted through the base 11. The bottom of the wheel body 21 is located below the base 10 and can move on the ground. The top of the wheel body 21 and the cam are located in the caster area 112. Through the detachable cover 12 corresponding to the caster area 112, the user can directly open the cover 12 to inspect or replace the cam and other components inside the caster area 112 without disassembling the entire base 10 or the entire equipment. This greatly improves maintenance efficiency, effectively reduces maintenance costs, and enhances the user experience.

[0053] In some embodiments of this application, the caster central control device 100 further includes a transmission mechanism 30. The transmission mechanism 30 is disposed inside the base 11 and includes a central control shaft 31 and a caster shaft 32 that is pulsatorically connected to the central control shaft 31. The caster shaft 32 is connected to a cam, and the central control shaft 31 can rotate relative to the base 10 around its own axis.

[0054] Combination Figure 4 and Figure 5 As shown, in some examples, the caster central control device 100 also includes a linkage mechanism 50, which includes a connecting rod 51 and a central control crank 52 and a caster crank 53 rotatably connected to both ends of the connecting rod 51.

[0055] Each central control caster 20 has a caster shaft 32 that is connected to the central control shaft 31 via a set of linkage mechanisms 50. In each set of linkage mechanisms 50, the end of the central control crank 52 away from the connecting rod 51 is rotatably connected to the central control shaft 31, and the end of the caster crank 53 away from the connecting rod 51 is rotatably connected to the caster shaft 32.

[0056] In this application, the pedal 40 is arranged at the end of the base 10. The end of the base 10 connected to the pedal 40 is defined as the front end, and the end of the base 10 away from the pedal 40 is defined as the rear end. Correspondingly, the central control caster 20 arranged at the front end of the base 10 is the front caster 201, and the central control caster 20 arranged at the rear end of the base 10 is the rear caster 202.

[0057] In this example, there are two front casters 201, which are symmetrically arranged on both sides of the front end of the base 10. There are two rear casters 202, which are symmetrically arranged on both sides of the rear end of the base 10.

[0058] The central control pivot 31 of this application is positioned near the front end of the base 10. Combined with the arrangement of the pedal 40 at the front end of the base 10, the central control pivot 31's proximity to the front end shortens the force transmission path from the pedal 40 to the pivot, increases the operating lever arm, and reduces the force required for the user to pedal. This significantly improves user comfort, especially when frequent switching between locked and released states is required.

[0059] In some examples, in each linkage mechanism 50, the connecting rod 51, the central control crank 52, and the caster crank 53 are all flat and narrow plate structures. This arrangement allows the connecting rod 51, the central control crank 52, and the caster crank 53 to extend along the transmission direction inside the base 10, avoiding spatial conflicts with other components inside the base 10 and ensuring the effectiveness of transmission control. On the other hand, it provides a larger support area, reduces the swing amplitude of the central control crank 52 and the caster crank 53 during rotation, avoids transmission jamming or noise caused by the tilt of the connecting rod 51, and improves the overall transmission stability.

[0060] In some examples, the length of the link 51 connected to the rear caster 202 is greater than the length of the link 51 connected to the front caster 201. The link 51 connected to the rear caster 202 includes a straight section 511, a transition section 512 connected at an angle to the straight section 511, and an extension section 513 connected to the end of the transition section 512 away from the straight section 511. The straight section 511 and the extension section 513 extend in the same direction and are in the same direction as the length of the base 10.

[0061] Specifically, by setting the angle between the transition section 512 and the straight section 511, and designing the angle between the transition section 512 and the extension section 513, the force applied externally to the pedal 40 can be effectively converted into a horizontal force along the length of the base 10 and transmitted to the rear caster 202, reducing transmission loss and making the cam switching of the rear caster 202 smoother.

[0062] In this application, the central control shaft 31 rotates relative to the base 10. The central control shaft 31 can drive the central control crank 52 to rotate, so that the central control crank 52 drives the connecting rod 51 to move, so that the connecting rod 51 drives the caster crank 53 to rotate, thereby realizing the rotation of the caster shaft 32, so that the cam of the central control caster 20 switches between the locked position and the released position.

[0063] In this application, all four centrally controlled casters 20 are controlled by a set of linkage mechanisms 50. External force applied to the pedal 40 causes the central control shaft 31 to rotate, thereby locking or releasing the four centrally controlled casters 20. The cam states of all four centrally controlled casters 20 can be controlled simultaneously by operating a single pedal 40, achieving synchronized movement of multiple centrally controlled casters 20. Users only need to operate the pedal 40 to switch the states of all centrally controlled casters 20, effectively reducing operational complexity.

[0064] In some embodiments of this application, the pedal 40 includes a foot pedal 41 and a connecting arm 42 connected to the foot pedal 41. The foot pedal 41 is integrally arranged on the outside of the base 10 and is located near the front end of the base 10. The surface of the foot pedal 41 is used by the user's foot to step on it. One end of the connecting arm 42 is connected to the foot pedal 41, and the other end of the connecting arm 42 extends into the interior of the base 10 and is connected and fixed to the central control pivot 31.

[0065] In this application, when a user presses down on the pedal 40, the central control shaft 31 rotates relative to the base 10 in a first direction; and when the central control shaft 31 rotates relative to the base 10 in a second direction opposite to the first direction, the pedal 40 can be reset under the action of the central control shaft 31. The first direction can be clockwise and the second direction counterclockwise; or the first direction can be counterclockwise and the second direction clockwise.

[0066] In some embodiments of this application, the caster central control device 100 further includes a torsion spring 60, which is sleeved on the central control shaft 31. One end of the torsion spring 60 is connected to the pedal 40, and the other end of the torsion spring 60 is fixed to the seat 11. When an external force presses down on the pedal 40, the torsion spring 60 can undergo elastic deformation. When the torsion spring 60 returns to its elastic deformation, the pedal 40 can return to its original position. In some examples, two torsion springs 60 can be provided, with the two torsion springs 60 respectively located on both sides of the pedal 40.

[0067] A torsion spring 60 is fitted onto the central control shaft 31. When the pedal 40 is pressed, it undergoes elastic deformation to store potential energy. The torsion spring 60 drives the pedal 40 to automatically reset by restoring its deformation, eliminating the need for manual operation and improving user convenience. The elastic force of the torsion spring 60 acts directly on the central control shaft 31, ensuring that the pedal 40 accurately returns to its initial position and preventing accidental locking or abnormal unlocking of the casters due to incomplete reset.

[0068] In addition, the two torsion springs 60 can be symmetrically arranged on both sides of the pedal 40. This arrangement can not only make the pedaling force evenly transmitted to the central control shaft 31, avoiding structural imbalance or jamming caused by unilateral force, and improving the smoothness of operation, but also distribute the reset force to two support points, reduce the stress concentration of a single torsion spring 60, and extend its service life.

[0069] In this application, an external force is applied to the pedal 40, and the pedal 40 can rotate relative to the base 10 through the central control shaft 31, so that the pedal 40 has a first working position and a second working position.

[0070] The operator can press down pedal 40 to position it in the first working position. Pedal 40 can drive the central control shaft 31 to rotate in the first direction, locking the central control caster 20 and causing the torsion spring 60 to elastically deform. When the torsion spring 60 returns to its elastic deformation, the central control shaft 31 can rotate in the second direction, releasing the central control caster 20 and positioning pedal 40 in the second working position.

[0071] Combination Figure 6 and Figure 7 As shown in some embodiments of this application, the caster central control device 100 further includes a rebound mechanism 70. The rebound mechanism 70 includes a slider 71 movable relative to the seat 11 and a fork 72 connected to the slider 71. The seat 11 is provided with a groove 74, and the slider 71 can drive the fork 72 to move and rotate in the groove 74. The fork 72 rotates relative to the seat 11, so that the fork 72 has a first position and a second position.

[0072] In some examples, the rebound mechanism 70 also includes a connecting seat 73. The connecting seat 73 is fixed to the seat body 11 and has a groove 74 inside, with a snap-fit ​​groove 75 formed at the end region of the groove 74.

[0073] The slider 71 is connected to the pedal 40 via a transmission. An external force drives the pedal 40, which in turn drives the slider 71 to move relative to the seat 11, allowing the shift fork 72 to switch between the first position and the second position.

[0074] Specifically, when the operator presses the pedal 40 with external force, causing the shift fork 72 to move and rotate to the first position, the shift fork 72 can engage in the engagement slot 75 and be relatively fixed on the seat 11, so that the pedal 40 can be fixed in the first position, thereby keeping the central control caster 20 in the locked state.

[0075] When the operator steps on the pedal 40 again with external force, the pedal 40 drives the slider 71 to rotate the shift fork 72 to the second position. The shift fork 72 can then disengage from the locking slot 75 and break free from the fixation of the seat 11, thereby releasing the pedal 40 from the first position. At this time, the torsion spring 60 can restore its elastic deformation and drive the central control shaft 31 to rotate in the second direction, thereby releasing the central control caster 20 and causing the pedal 40 to rotate to the second position.

[0076] Regarding the rebound mechanism 70 of this application, the fork 72, in its first position, can engage with the locking slot 75, thereby forming a rigid fixation. This ensures that the pedal 40 will not unlock itself due to external force or vibration when not pressed a second time, preventing accidental release of the caster wheel and resulting in unexpected slippage of the equipment. Furthermore, two pressing actions on the pedal 40 can switch the central control caster 20 between locked and unlocked states, conforming to ergonomic operating habits and preventing user misoperation. In addition, the rebound mechanism 70, in conjunction with the torsion spring 60, allows the pedal 40 to smoothly reset after unlocking, achieving stable control of the central control caster 20 in both locked and unlocked states.

[0077] In some examples, the rebound mechanism 70 may also include a rebound crank 76, one end of which is rotatably connected to the pedal 40 and the other end of which is rotatably connected to the slider 71.

[0078] The rebound crank 76 can convert the vertical pedal force of the pedal 40 into the horizontal driving force of the slider 71, so as to effectively link the slider 71 to move, avoid the force loss caused by linear transmission, and ensure the effectiveness of the slider 71's movement.

[0079] In addition, in some examples, the rebound mechanism 70 may also include a spring 77, one end of which is connected to the end of the slider 71 away from the rebound crank 76, and the other end of which abuts against the inner wall of the seat 11. This spring 77 is similar to a compression spring, and it can work together with the pedal 40 to synchronize the locking and releasing of the rebound mechanism 70 with the locking and releasing of the central control caster 20.

[0080] Furthermore, the spring 77 in the rebound mechanism 70 provides additional elastic force to help the slider 71 remain stable during movement, or to provide preload when the fork 72 engages. Secondly, the spring 77 works in conjunction with the rebound crank 76 to optimize transmission efficiency, assisting the slider 71 in achieving its reset. Additionally, the spring 77 absorbs shocks, reducing impact wear on the slider 71, making its movement more linear, and extending the overall service life of the rebound mechanism 70.

[0081] See Figure 8 and Figure 9 An embodiment of this application also provides an ultrasonic device 1000, which includes a main unit 200, a control panel 300, a display screen 400, and a caster central control device 100. The specific structure of the caster central control device 100 has been described above and will not be repeated here.

[0082] The main unit 200 is typically an integrated chassis, which can house circuit boards, power modules, cooling systems, interface areas, etc. The control panel 300 can be a touchscreen or a combination of physical buttons and knobs, and is electrically connected to the main unit 200. Through the control panel 300, the operator can adjust parameters, switch modes, and control the image. The display screen 400 is electrically connected to the main unit 200. This display screen 400 can display ultrasound images in real time, as well as auxiliary information such as patient information, timestamps, scanning parameters, and ultrasound measurement results.

[0083] In the ultrasound device 1000 of this application, the main unit 200 emits ultrasound waves to the subject through a probe. The echo signal is processed to generate an image displayed on the display screen 400. Doctors can adjust parameters and operate the ultrasound device 1000 through the control panel 300, thereby achieving efficient and accurate ultrasound diagnosis.

[0084] In this application, the caster central control device 100 is located at the bottom of the main unit 200, and the main unit 200 is connected to the top opening of the base 11 and is arranged corresponding to the main body area 111.

[0085] By locking and releasing the central control caster 20 in the central control device 100, the ultrasound equipment 1000 can switch between a fixed examination position and a mobile state, enabling it to adapt to the frequent movement requirements in medical settings. Furthermore, medical staff can control the casters by stepping on or kicking the pedal 40 without bending over, which is ergonomic, reduces operator fatigue, and facilitates use. In addition, during examinations, medical staff can lock the central control caster 20 using the pedal 40 to prevent the ultrasound equipment 1000 from accidentally sliding due to external forces (such as patient contact or uneven ground), ensuring operational safety.

[0086] For the caster central control device and ultrasonic equipment of this application, users can easily switch the central control caster between locked and unlocked states simply by stepping on the pedal, thereby locking and unlocking the ultrasonic equipment. This operation is effortless and efficient. Furthermore, through the detachable cover corresponding to the caster area, users can directly open the cover to inspect or replace components such as the cams, transmission mechanisms, and central control casters inside the caster area without disassembling the entire base or equipment, significantly improving maintenance efficiency, effectively reducing maintenance costs, and enhancing the user experience.

[0087] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terminology used is descriptive and exemplary, and not restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A caster central control device, characterized in that, include: The base includes a seat body and a cover connected to the seat body; the seat body has an open top and is hollow inside, the interior space of the seat body includes a main body area and a caster area arranged outside the main body area and communicating with the main body area, and the cover is detachably connected to the opening of the seat body and arranged corresponding to the caster area; A centrally controlled caster is connected to the base and arranged corresponding to the caster area; the centrally controlled caster includes a wheel body and a cam disposed on the wheel body, the cam being rotatable and having a locking position for locking the centrally controlled caster and a releasing position for releasing the centrally controlled caster; the wheel body passes through the base, the bottom of the wheel body is arranged below the base and is movable on the ground, and the top of the wheel body and the cam are arranged in the caster area; A transmission mechanism is disposed inside the base body. The transmission mechanism includes a central control shaft and a caster shaft that is pulsatorically connected to the central control shaft. The caster shaft is connected to the cam. The central control shaft can rotate relative to the base around its own axis. A pedal is connected to the central control shaft; an external force is applied to the pedal, causing the central control shaft to rotate relative to the base in a first direction or a second direction, the first direction being opposite to the second direction; the central control shaft can be linked to the caster shaft to rotate, thereby driving the cam to rotate and causing the cam to switch between the locked position and the released position.

2. The caster central control device according to claim 1, characterized in that, The caster central control device also includes a linkage mechanism, which includes a connecting rod and a central control crank and a caster crank rotatably connected to both ends of the connecting rod; the central control crank is rotatably connected to the central control shaft, and the caster crank is rotatably connected to the caster shaft; The central control shaft rotates relative to the base, and the central control shaft can drive the central control crank to rotate, so that the central control crank drives the connecting rod to move, so that the connecting rod drives the caster crank to rotate, thereby realizing the rotation of the caster shaft.

3. The caster central control device according to claim 2, characterized in that, The main body area has a rectangular outline, and there are four caster areas, which are respectively located at the four corners of the main body area; there are four central control casters, which are respectively located in the four caster areas, and the caster shaft on each central control caster is connected to the central control shaft through a set of linkage mechanisms.

4. The caster central control device according to claim 1, characterized in that, The caster central control device also includes a torsion spring, which is sleeved on the central control pivot; one end of the torsion spring is connected to the pedal, and the other end of the torsion spring is fixed to the seat; When an external force presses down the pedal, the torsion spring can undergo elastic deformation. When the torsion spring recovers its elastic deformation, the pedal can return to its original position.

5. The caster central control device according to claim 4, characterized in that, When an external force is applied to the pedal, the pedal can rotate relative to the base via the central control shaft, so that the pedal has a first working position and a second working position. When the pedal is in the first working position, the pedal can drive the central control shaft to rotate in the first direction, thereby locking the central control caster and causing the torsion spring to undergo elastic deformation; when the torsion spring recovers its elastic deformation, the central control shaft can rotate in the second direction, thereby releasing the central control caster and placing the pedal in the second working position.

6. The caster central control device according to claim 5, characterized in that, The caster central control device also includes a rebound mechanism, which includes a slider that can move relative to the seat and a fork connected to the slider; the seat is provided with a groove, and the slider can drive the fork to move and rotate in the groove; the fork rotates relative to the seat, so that the fork has a first position and a second position. The slider is connected to the pedal, and an external force drives the pedal, so that the pedal can move the slider relative to the seat, and the shift fork can switch between the first position and the second position. When an external force presses down on the pedal, causing the shift fork to move and rotate to the first position, the shift fork can be relatively fixed on the base, so that the pedal can be fixed at the first work position, thereby keeping the central control caster in a locked state; When an external force drives the pedal to rotate the shift fork to the second position, the shift fork can disengage from the seat to release the pedal from the first position. At this time, the torsion spring can restore its elastic deformation and drive the central control shaft to rotate in the second direction, thereby releasing the central control caster and causing the pedal to rotate to the second position.

7. The caster central control device according to claim 6, characterized in that, The rebound mechanism also includes a connecting seat, which is fixed to the seat body and has the sliding groove inside. The end region of the slide groove is formed with a locking groove. When the fork rotates to the first position, the fork can lock into the locking groove to fix the fork on the connecting seat. When the fork rotates to the second position, the fork can disengage from the locking groove to detach from the fixing of the connecting seat.

8. The caster central control device according to claim 6, characterized in that, The rebound mechanism further includes a rebound crank, one end of which is rotatably connected to the pedal, and the other end of which is rotatably connected to the slider.

9. The caster central control device according to claim 8, characterized in that, The rebound mechanism also includes a spring, one end of which is connected to the end of the slider away from the rebound crank, and the other end of which abuts against the inner wall of the seat.

10. An ultrasonic device, characterized in that, It includes a main unit, a control panel and a display screen connected to the main unit by a signal, and a caster central control device as described in any one of claims 1-9; the caster central control device is disposed at the bottom of the main unit, and the main unit is connected to the top opening of the seat body and arranged corresponding to the main body area.

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