A medical device and its support device

Abstract

The present invention discloses a medical device and its supporting device. The supporting device includes a frame, a front connecting member and a rear connecting member hinged to the frame, and an intermediate connecting rod hinged between the front connecting member and the rear connecting member; the front connecting member, the rear connecting member, the intermediate connecting rod and the frame form a parallelogram; it further includes a constant-force elastic member. The front connecting member has a front connecting arm, the rear connecting member has a rear connecting arm, and an angle adjusting assembly is provided between the first end of the constant-force elastic member and the free end of the rear connecting arm to make the extension direction of the constant-force elastic member in the same direction. The supporting device provided by the present invention uses a constant-force elastic member to support an object with a constant gravity, and can realize free adjustment of lifting and pushing and pulling, ensuring a better operating feel.

Description

Technical Field

[0001] The present invention relates to the field of human - machine interaction panel support devices, and particularly to a support device. In addition, the present invention also relates to a medical device including the above - mentioned support device. Background Art

[0002] For control panels such as keyboards and touch - screen displays for medical needs, they often come with devices that can be lifted, lowered, pushed, and pulled to adapt to the habits of different operators.

[0003] In the prior art, the support device is a guide - rail slider mechanism and a link mechanism. A parallel four - bar is often used as the lifting mechanism of the control panel, and a guide - rail slider is used as the pushing and pulling mechanism of the control panel. To balance the self - weight of the interaction panel, a spring is often arranged in the lifting mechanism to offset the self - weight. One way is that the spring is placed near the diagonal. When the control panel is lifted or lowered, the link rotates and deforms the quadrilateral, and the length of its diagonal changes, then the spring is compressed to generate a force to offset the gravity.

[0004] However, in the prior - art pushing and pulling device, due to insufficient storage capacity when using the guide - rail slider mechanism, in order to protect the wire harness during movement, an extended wire - harness drag chain needs to be added. In addition, in the prior - art lifting device, using the four - bar mechanism arm with the spring placed near the diagonal, when the link is at different angles, the mechanism cannot strictly ensure that the moment generated by the spring is equal to the moment of gravity, resulting in a heavy operation feel and being not conducive to improving the user experience.

[0005] Therefore, how to improve the usability of the support device is a technical problem that those skilled in the art need to solve currently. Summary of the Invention

[0006] The object of the present invention is to provide a support device that uses a constant - force elastic component to offset the weight of the panel, which can effectively improve the operation feel of the user. Another object of the present invention is to provide a medical device including the above - mentioned support device.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A support device includes a frame, a front connecting member and a rear connecting member hinged to the frame, and an intermediate link hinged between the front connecting member and the rear connecting member; the front connecting member, the rear connecting member, the intermediate link and the frame form a parallelogram structure; the support device further includes a constant - force elastic component. The front connecting member has a front connecting arm, the rear connecting member has a rear connecting arm, and an angle - adjusting component is provided between the first end of the constant - force elastic component and the free end of the rear connecting arm to make the extension direction of the constant - force elastic component in the same direction.

[0009] Preferably, the angle adjustment component includes a slide rail provided on the intermediate link or the frame, and a slider link hinged to the second end of the constant-force elastic member. One end of the slider link away from the constant-force elastic member is hinged to the free end of the rear connecting arm. A slider is provided at the hinge of the slider link and the constant-force elastic member. The rear connecting arm can drive the slider link to swing, thereby pushing the slider to slide along the slide rail.

[0010] Preferably, there are two frames, namely a first frame and a second frame arranged vertically. The front connecting member includes a first front connecting rod and a second front connecting rod arranged vertically, and the first front connecting rod and the second front connecting rod are hinged to each other. The rear connecting member includes a first rear connecting rod and a second rear connecting rod arranged vertically, and the first rear connecting rod and the second rear connecting rod are hinged to each other.

[0011] The first front connecting rod includes a first front connecting rod body and the front connecting arm perpendicular to the first front connecting rod body. The first rear connecting rod includes a first rear connecting rod body and the rear connecting arm perpendicular to the first rear connecting rod body.

[0012] The first front connecting rod, the first rear connecting rod, the intermediate link and the first frame form a parallelogram structure. The second front connecting rod, the second rear connecting rod, the intermediate link and the second frame also form a parallelogram structure.

[0013] Preferably, the front connecting arm is provided at one end of the first front connecting rod body hinged to the intermediate link. The rear connecting arm is provided at one end of the first rear connecting rod body hinged to the intermediate link or its extension line. The first front connecting rod, the second front connecting rod, the first rear connecting rod, the second rear connecting rod, the intermediate link and the angle adjustment component form a first support frame. The support device further includes a second support frame having the same structure as the first support frame, and the first support frame and the second support frame are arranged in parallel.

[0014] Preferably, the second support frame is arranged opposite to the first support frame and is arranged in the opposite direction in the vertical direction.

[0015] Preferably, the slide rail is provided at one end of the intermediate link. The slide rail is provided with a connecting portion located on the extension line of the intermediate link, and the rear connecting member is hinged to the connecting portion.

[0016] Preferably, the rear connecting member and its rear connecting arm are located on one side of the slide rail, the constant force elastic member and the slider link are both located on the other side of the slide rail, the rear connecting arm and the slider link are connected by a hinge shaft, and the slide rail is provided with an avoidance slide hole through which the hinge shaft passes.

[0017] Preferably, the connecting portion is arranged inside the slide rail, and an avoidance slide hole is formed between the connecting portion and the side wall of the slide rail.

[0018] Preferably, the avoidance slide hole is an arc slide hole.

[0019] Preferably, the connecting portion is arranged inside the slide rail, and a height difference for avoiding the slider is formed between the connecting portion and the edge surface of the slide rail.

[0020] Preferably, the support device includes an upper part and a lower part, the upper part and the lower part are arranged in opposite directions along the vertical direction and are hinged to each other through the intermediate connecting rod; the lower part includes two parallel first front connecting rods, two parallel first rear connecting rods, a first frame and an angle adjusting assembly, and the upper part includes two parallel second front connecting rods, two parallel second rear connecting rods, a second frame and an angle adjusting assembly.

[0021] Preferably, the front connecting arm is arranged at one end where the main body of the first front connecting rod is hinged to the first frame, and the rear connecting arm is arranged at one end where the main body of the first rear connecting rod is hinged to the first frame;

[0022] The first frame and the second frame are respectively provided with the slide rails.

[0023] Preferably, the second front connecting rod includes a second front connecting rod main body and the front connecting arm perpendicular to the second front connecting rod main body, and the front connecting arm is arranged at one end where the second front connecting rod is hinged to the second frame; the second rear connecting rod includes a second rear connecting rod main body and the rear connecting arm perpendicular to the second rear connecting rod main body, and the rear connecting arm is arranged at one end where the second rear connecting rod is hinged to the second frame.

[0024] A long shaft is connected between the free ends of the front connecting arms of the two first front connecting rods, a long shaft is also connected between the free ends of the front connecting arms of the two second front connecting rods, and the first end of each constant force elastic member is respectively connected to the corresponding long shaft.

[0025] Preferably, the constant force elastic member and the slider link are both located on the same side of the corresponding slide rail, and one end of the slider link away from the constant force elastic member is hinged to the free end of the corresponding rear connecting arm through a short shaft.

[0026] Preferably, the extension direction of the rear connecting arm is parallel to that of the front connecting arm, and the lengths of both the rear connecting arm and the slider link are half of the length of the front connecting arm.

[0027] Preferably, the intermediate link is horizontally arranged, and the extension direction of the slide rail is arranged in the vertical direction.

[0028] Preferably, the constant-force elastic member is a constant-force spring.

[0029] Preferably, the constant-force elastic member is a gas spring, and a release joint for opening and closing the gas spring is provided at one end of the gas spring.

[0030] The present application also provides a medical device, which includes the above-mentioned supporting device.

[0031] The present invention also provides a medical device, including the supporting device according to any one of the above.

[0032] The supporting device provided by the present invention includes a frame, a front connecting member and a rear connecting member hinged to the frame, and an intermediate link hinged between the front connecting member and the rear connecting member; the front connecting member, the rear connecting member, the intermediate link and the frame form a parallelogram structure; a constant-force elastic member is further included. The front connecting member has a front connecting arm, and the rear connecting member has a rear connecting arm. The first end of the constant-force elastic member is hinged to the free end of the front connecting arm, and an angle adjusting assembly is provided between the second end and the free end of the rear connecting arm so that the extension direction of the constant-force elastic member is in the same direction. The supporting device provided by the present invention connects the constant-force elastic member to the front connecting arm and realizes the connection between the constant-force elastic member and the rear connecting arm through the angle adjusting assembly. With such an arrangement, the front connecting member (and its front connecting arm) forms a lever. Since the angle of the constant-force elastic member is constant and the output force is a constant value, based on the lever principle, the force arms of the power and the resistance can always maintain a fixed ratio, and thus the moment balance of the front connecting member at any position can be achieved, ensuring a better operating feel. At the same time, the supporting device of the present application can also realize free adjustment of lifting and pushing and pulling.

[0033] The medical device provided by the present invention is provided with the above-mentioned supporting device. Since the supporting device has the above technical effects, the medical device provided with this supporting device should also have corresponding technical effects. Description of the Drawings

[0034] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0035] Figure 1 Structural schematic diagram of a specific embodiment of the support device provided by the present invention;

[0036] Figure 2 For Figure 1 Side structural schematic diagram of the support device shown;

[0037] Figure 3 For Figure 1 Lower part structural schematic diagram of the support device shown;

[0038] Figure 4 For Figure 1 Structural schematic diagram of the angle adjustment component of the support device shown;

[0039] Figure 5 For Figure 1 Structural schematic diagram of the angle adjustment component of the support device shown;

[0040] Figure 6 For Figure 1 Structural schematic diagram of the front connecting piece of the support device shown;

[0041] Figure 7 Principle diagram for calculating the elastic force of the constant force elastic component in the support device provided by the present invention;

[0042] Figure 8 Structural schematic diagram of another specific embodiment of the support device provided by the present invention;

[0043] Wherein: 210, front connecting piece, 2101, first front connecting rod, 2102, second front connecting rod, 211, front connecting arm, 220, rear connecting piece, 2201, first rear connecting rod, 2202, second rear connecting rod, 221, rear connecting arm, 230, intermediate connecting rod, 231, slide rail, 2311, connecting part, 2312, edge surface, 2313, avoidance slide hole, 240, constant force elastic component, 241, slider, 242, slider connecting rod, 243, release joint, 244, transmission buckle, 250, long shaft, 260, frame, 261, first frame, 262, second frame, 270, short shaft, 280, angle adjustment component, 290, hinge shaft. Specific embodiments

[0044] The core of the present invention is to provide a support device that uses a constant-force elastic component to offset the weight of the panel, which can effectively improve the user's operation feel. Another core of the present invention is to provide a medical device including the above support device.

[0045] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0046] Please refer to Figures 1 to 8 , Figure 1 which is a schematic structural diagram of a specific embodiment of the support device provided by the present invention; Figure 2 is Figure 1 a schematic side view of the support device shown in Figure 3 is Figure 1 a schematic view of the lower part of the support device shown in Figure 4 is Figure 1 a schematic structural diagram of the angle adjustment component 280 of the support device shown in Figure 5 is Figure 1 a schematic structural diagram of the angle adjustment component 280 of the support device shown in Figure 6 is Figure 1 a schematic structural diagram of the front connecting piece of the support device shown in Figure 7 is a schematic diagram of the calculation principle of the elastic force of the constant-force elastic component in the support device provided by the present invention; Figure 8 is a schematic structural diagram of another specific embodiment of the support device provided by the present invention.

[0047] As Figure 1 and Figure 2 shown, the support device includes a frame 260, a front connecting piece 210, a rear connecting piece 220, and an intermediate connecting rod 230. Among them, one end of the front connecting piece 210 and the rear connecting piece 220 is hinged to the frame 260, and the intermediate connecting rod 230 is hinged to the other ends of the front connecting piece 210 and the rear connecting piece 220; the front connecting piece 210, the rear connecting piece 220, the intermediate connecting rod 230, and the frame 260 form at least one parallelogram structure. It should be noted here that the structure formed by the front connecting piece 210, the rear connecting piece 220, the intermediate connecting rod 230, and the frame 260 may include a combination of several parallelogram structures.

[0048] Furthermore, on the basis of Figure 1 and Figure 2 , it can be seen from Figure 3, the support device further includes a constant-force elastic member 240. Specifically, the constant-force elastic member 240 can be a gas spring or a constant-force spring. The front connecting member 210 has a front connecting arm 211, and the rear connecting member 220 has a rear connecting arm 221. The first end of the constant-force elastic member 240 is hinged to the free end of the front connecting arm 211, and an angle adjustment assembly 280 is provided between the second end and the free end of the rear connecting arm 221 to make the extension direction of the constant-force elastic member 240 in the same direction.

[0049] In the support device provided by the present invention, the constant-force elastic member 240 is connected to the front connecting arm 211, and the connection between the constant-force elastic member 240 and the rear connecting arm 221 is realized through the angle adjustment assembly 280. With such an arrangement, the front connecting member 210 forms a lever. Since the angle of the constant-force elastic member 240 is constant (it can always be kept in the horizontal direction) and its output force is a constant force, based on the lever principle, the force arms of the power and the resistance can always maintain a fixed ratio, thereby realizing the moment balance of the front connecting member 210 at any position, ensuring a better operating feel and being beneficial to improving the user experience; at the same time, the support device can also realize the free adjustment of lifting and pushing and pulling.

[0050] It should be noted that the constant-force elastic member 240 capable of outputting an appropriate constant output force can be selected according to the gravity object to be supported.

[0051] On the basis of the above embodiments, reference can also be made to Figure 4 and Figure 5 , the angle adjustment assembly 280 includes a slide rail 231 provided on the intermediate connecting rod 230 and a slider connecting rod 242 hinged to the second end of the constant-force elastic member 240. The end of the slider connecting rod 242 away from the constant-force elastic member 240 is hinged to the free end of the rear connecting arm 221; a slider 241 is provided at the hinge between the slider connecting rod 242 and the constant-force elastic member 240. Preferably, a slider shaft is provided at the hinge between the slider connecting rod 242 and the constant-force elastic member 240, and the slider 241 is installed at one end of the slider shaft. The rear connecting arm 221 can drive the slider connecting rod 242 to swing, thereby pushing the slider 241 to slide along the slide rail 231.

[0052] Such as Figures 1 to 3As shown in the figure, the number of frames 260 can be set to two, namely the first frame 261 and the second frame 262 which are arranged vertically; the front connecting member 210 includes a first front connecting rod 2101 and a second front connecting rod 2102 which are arranged vertically, and the first front connecting rod 2101 and the second front connecting rod 2102 are hinged; the rear connecting member 220 includes a first rear connecting rod 2201 and a second rear connecting rod 2202 which are arranged vertically, and the first rear connecting rod 2201 and the second rear connecting rod 2202 are hinged; the first front connecting rod 2101 includes a first front connecting rod main body and a front connecting arm 211 perpendicular thereto, and the first rear connecting rod 2201 includes a first rear connecting rod main body and a rear connecting arm 221 perpendicular thereto; the first front connecting rod 2101, the first rear connecting rod 2201, the intermediate connecting rod 230 and the first frame 261 form a parallelogram structure; the second front connecting rod 2102, the second rear connecting rod 2202, the intermediate connecting rod 230 and the second frame 262 also form a parallelogram structure. Thus, through the two parallelogram structures, it is beneficial to realize the free pushing, pulling and lifting of the supporting device. Among them, the intersection between the first front connecting rod main body and the front connecting arm 211 can be hinged to the intermediate connecting rod 230, thereby forming a lever fulcrum; in addition, the intersection between the first rear connecting rod main body and the rear connecting arm 221 can be hinged to the intermediate connecting rod 230 or its extension line, and a lever fulcrum can also be formed.

[0053] On the basis of the above embodiments, the extending direction of the rear connecting arm 221 is parallel to that of the front connecting arm 211, the lengths of both the rear connecting arm 221 and the slider connecting rod 242 are half of the length of the front connecting arm 211. At the same time, the intermediate connecting rod 230 is horizontally arranged, and the extending direction of the slide rail 231 is arranged along the vertical direction. With such an arrangement, the rotation range can be maximized, and it is beneficial to ensure that the movement amounts at both ends of the constant force elastic member 240 are equal, and further ensure that the constant force elastic member 240 always maintains a constant angle, that is, although the constant force elastic member 240 will move up and down or back and forth, its extending direction can always be kept in the horizontal direction.

[0054] As Figures 1 to 3As shown, in one embodiment, the front connecting arm 211 is provided at one end of the first front connecting rod main body hinged to the intermediate connecting rod 230; the rear connecting arm 221 is provided at one end of the first rear connecting rod main body hinged to the intermediate connecting rod 230 or its extension line; thus, on the one hand, the above-mentioned lever fulcrum can be formed, and on the other hand, the hinged manner is conducive to realizing the movable parallelogram structure as described above, which is further conducive to realizing the lifting and pushing and pulling of the support device. In addition, the first front connecting rod 2101, the second front connecting rod 2102, the first rear connecting rod 2201, the second rear connecting rod 2202, the intermediate connecting rod 230 and the angle adjustment component 280 form a first support frame; the support device further includes a second support frame having the same structure as the first support frame, and the first support frame and the second support frame are arranged in parallel and can be arranged oppositely. Preferably, the second support frame and the first support frame can be arranged in the opposite direction in the vertical direction; specifically as Figure 1 shown, the first front connecting rod 2101 corresponding to the first support frame is located below the corresponding second front connecting rod 2102, and the end of the first front connecting rod 2101 provided with the front connecting arm 211 is arranged upward; while the first front connecting rod 2101 corresponding to the second support frame is located above the corresponding second front connecting rod 2102, and the end of the first front connecting rod 2101 provided with the front connecting arm 211 is arranged downward; the first rear connecting rod 2201 corresponding to the first support frame is located below the corresponding second rear connecting rod 2202, and the end of the first rear connecting rod 2201 provided with the rear connecting arm 221 is arranged upward, while the first rear connecting rod 2201 corresponding to the second support frame is located above the corresponding second rear connecting rod 2202, and the end of the first rear connecting rod 2201 provided with the rear connecting arm 221 is arranged downward. Of course, the first support frame and the second support frame can also be arranged in the same direction in the vertical direction, that is, the first front connecting rod 2101 of the first support frame and the first front connecting rod 2101 of the second support frame are both located below and parallel to each other, the second front connecting rod 2102 of the first support frame and the second front connecting rod 2102 of the second support frame are both located above and parallel to each other, the first rear connecting rod 2201 of the first support frame and the first rear connecting rod 2201 of the second support frame are both located below and parallel to each other, and the second rear connecting rod 2202 of the first support frame and the second rear connecting rod 2202 of the second support frame are both located above and parallel to each other. In addition, a long shaft 250 is also connected between the two intermediate connecting rods 230 or the two slide rails 231 at their ends.

[0055] Thus, the support device has an upper part and a lower part, both of which are in a double four-bar linkage structure. The two double four-bar linkage structures of the upper part and the lower part are the same, hinged together, and installed staggeredly. When rotating, the front connectors 210 and the rear connectors 220 of the two parts do not interfere with each other, and the middle link 230 is staggered from the gas spring. The gas spring can laterally cross the middle link 230 during translation. The rotation range of the middle link 230 can be close to ±90°, and correspondingly, the rotation ranges of the upper part and the lower part are also close to ±90° respectively. In addition, the formed structure can also conveniently accommodate the wire harness during movement, so there is no need to increase the extended wire harness drag chain, which is beneficial to reducing the occupied space.

[0056] In this embodiment, for any structure of the above first support frame and the second support frame, it has the above angle adjustment assembly 280. Through the angle adjustment assembly 280, it can ensure that the constant force elastic member 240 always remains in the horizontal direction, and then the moment balance of the corresponding first front connecting rod 2101 at any position can be realized, which is beneficial to ensuring a better operating feel.

[0057] Specifically, on the basis of Figures 1 to 3 , further reference can be made to Figure 6 and Figure 7 . For the first front connecting rod 2101, because the gravity of the panel installed on the second frame 262 is always vertically downward, and the elastic force of the constant force elastic member 240 is always horizontal and the output force is constant. Therefore, when the first front connecting rod 2101 rotates, the force arms of the elastic force and the gravity effect relative to the lever fulcrum of the first front connecting rod 2101 always maintain a fixed ratio. The output force of the constant force elastic member 240 is close to a constant force. Therefore, by selecting a suitable gas spring so that the ratio of its output force to the gravity is the reciprocal of the force arm ratio, the elastic moment can be balanced with the gravity moment. Due to the characteristic of the four-bar linkage to maintain translational motion, the remaining forces or moments in the system are borne by the tension and compression of the four-bar linkage mechanism rods and do not generate moments on the connecting rod shafts.

[0058] Specifically, the optimal elastic force of the constant force elastic member 240 can be calculated according to the following formula, and then a suitable constant force elastic member 240 can be selected:

[0059] FL2×sinθ=G′L1×sinθ

[0060] In the formula, G’ is the reaction force of the gravity of the panel at the bottom of the first front connecting rod 2101, L1 is the resistance arm, L2 is the power arm, and F is the elastic force of the constant force elastic member 240.

[0061] Further, in this embodiment, the slide rail 231 is provided at one end of the intermediate connecting rod 230. The slide rail 231 is provided with a connecting portion 2311 located on the extension line of the intermediate connecting rod 230. The intersection of the first rear connecting rod main body and the rear connecting arm 221 is hinged to the connecting portion 2311. In addition, in this embodiment, the rear connecting member 220 and its rear connecting arm 221 are located on one side of the slide rail 231, and the constant force elastic member 240 and the slider connecting rod 242 are both located on the other side of the slide rail 231. The rear connecting arm 221 and the slider connecting rod 242 are connected by a hinge shaft 290. The slide rail 231 is provided with an avoidance sliding hole 2313, and the hinge shaft 290 passes through the avoidance sliding hole 2313. Therefore, the rear connecting arm 221 of the first rear connecting rod 2201 can drive the slider connecting rod 242 to move synchronously and avoid interference, so that the slider 241 can slide in the slide rail 231, and one end of the constant force elastic member 240 can follow the movement to ensure its constant angle. Specifically, the connecting portion 2311 is provided in the slide rail 231, and the avoidance sliding hole 2313 is formed between the connecting portion 2311 and the side wall of the slide rail 231. More specifically, the avoidance sliding hole 2313 is an arc-shaped sliding hole.

[0062] In addition, as Figure 4 shown, the connecting portion 2311 is provided in the slide rail 231, and a height difference for avoiding the slider 241 is formed between the connecting portion 2311 and the edge surface 2312 of the slide rail 231, so that the slider 241 can slide straight up and down in the slide rail 231 and avoid interference with the connecting portion 2311.

[0063] Further, the double four-bar link structures of the upper half and the lower half are the same and move independently. The movement of the double four-bar link of the lower half will be described below. As Figure 3 shown, the gas spring with the release joint 243 is horizontally placed, and the two ends are respectively hinged to the front connecting arm 211 and the slider connecting rod 242. A Bourdon wire can be connected to the release joint 243 for transmission. Thus, the transmission buckle 244 of the release joint 243 can be controlled through the Bourdon wire, and the "pressing" and "relaxing" of the release joint 243 can be realized, and further the locking and unlocking release of the gas spring can be realized.

[0064] Specifically, in combination with Figures 3 to 5As shown, when the release joint 243 is pressed, the gas spring is released, that is, the gas spring can freely extend and contract, enabling the support device to move. At this time, the gas spring exerts an elastic force. When the release joint 243 is "relaxed", the gas spring is locked and the mechanism is also locked. After the release joint 243 is pressed, when the intermediate connecting rod 230 or the support device is pushed downward by an external force, the front connecting member 210 and the rear connecting member 220 rotate clockwise in parallel, and the front connecting arm 211 and the rear connecting arm 221 also rotate synchronously. When the front connecting arm 211 rotates clockwise, the trajectory of its distal joint point (i.e., the end position connecting the gas spring) is an arc, and the gas spring is compressed. At the same time, since the rear connecting arm 221 rotates clockwise, the bottom of the slider connecting rod 242 is lifted, and the slider connecting rod 242 lifts the gas spring. It should be noted here that the "lifting" here means relative to the intermediate connecting rod 230, that is, the distance between the gas spring and the intermediate connecting rod 230 increases, while in fact the height of the gas spring as a whole decreases relative to the first frame 261. At this time, the slider 241 and the slide rail 231 form a crank-slider mechanism. At the same time, since the rear connecting arm 221 also rotates clockwise with the first rear connecting rod 2201, the slider 241 moves upward in the slide rail 231 and plays a guiding role. During the above movement process, when the gas spring translates, it does not affect its compression amount, and its output force is constant. The length of the front connecting arm 211 is twice that of the rear connecting arm 221, and the length of the rear connecting arm 221 is equal to the length of the slider connecting rod 242, so that the movement amounts at both ends of the gas spring are equal when it is lifted relative to the intermediate connecting rod 230. Therefore, the gas spring is always horizontal, and the elastic force it outputs is also horizontal. Furthermore, the moment balance of the first front connecting rod 2101 can be ensured at any position as analyzed above, ensuring a better operating feel.

[0065] It should be further noted that when the front connecting member 210 and the rear connecting member 220 rotate clockwise, the gas spring is compressed, and the entire gas spring translates upward relative to the intermediate connecting rod 230. When the front connecting member 210 and the rear connecting member 220 rotate counterclockwise, the process is opposite.

[0066] The support device of this embodiment can not only move up and down but also push and pull back and forth. The heavy object it supports can be a human-machine interaction panel, that is, a control panel, and this control panel can include a keyboard and a touch screen on an ultrasonic diagnostic device. In addition, in addition to being used to support the control panel, this support device can also be used to support the display of the ultrasonic diagnostic device. When used to support the display, the device also includes an angle adjustment component for correcting the angle of the display to avoid tilting and inconvenient viewing. It should also be noted that since the above-mentioned front connecting member 210 can maintain moment balance at any position, therefore, after manually driving the mechanism to move up and down or push and pull back and forth, when the hand is released, the control panel or display installed on this support device can also hover at any position.

[0067] AsFigure 8 as shown, and can be compared with Figure 1 , in another embodiment of the present application, the front connecting member 210 also includes a first front connecting rod 2101 and a second front connecting rod 2102; the rear connecting member 220 also includes a first rear connecting rod 2201 and a second rear connecting rod 2202; the support device includes an upper part and a lower part, the upper part and the lower part are arranged in opposite directions along the vertical direction and are hinged to each other through an intermediate connecting rod 230.

[0068] However, different from Figure 1 the embodiment shown, in which both the upper part and the lower part include a first front connecting rod 2101, a second front connecting rod 2102, a first rear connecting rod 2201 and a second rear connecting rod 2202. In this embodiment, the lower part includes two first front connecting rods 2101, two first rear connecting rods 2201, a first frame 261 and an angle adjusting assembly 280, and the upper part includes two second front connecting rods 2102, two second rear connecting rods 2202, a second frame 262 and an angle adjusting assembly 280. The main structure of the angle adjusting assembly 280 and the parallelogram structure are generally the same as those in the above embodiment, and will not be described in detail here.

[0069] In addition, in this embodiment, the two first front connecting rods 2101 are both arranged below and are parallel to each other, and the two second front connecting rods 2102 are both located above and are parallel to each other, and the two first rear connecting rods 2201 are both located below and are also parallel to each other, and the two second rear connecting rods 2202 are both located above and are also parallel to each other; and for the first front connecting rod 2101, its front connecting arm 211 is arranged at one end where the first front connecting rod body is hinged to the first frame 261, and for the first rear connecting rod 2201, its rear connecting arm 221 is arranged at one end where the first rear connecting rod body is hinged to the first frame 261; in addition, the first frame 261 and the second frame 262 are respectively provided with the above-mentioned slide rails 231.

[0070] Further, the second front connecting rod 2102 includes a second front connecting rod body and a front connecting arm 211 perpendicular to the second front connecting rod body. The front connecting arm 211 is provided at one end of the second front connecting rod 2102 hinged to the second frame 262. The second rear connecting rod 2202 includes a second rear connecting rod body and a rear connecting arm 221 perpendicular to the second rear connecting rod body. The rear connecting arm 221 is provided at one end of the second rear connecting rod body hinged to the second frame 262. In addition, a long shaft 250 is connected between the free ends of the front connecting arms 211 of the two first front connecting rods 2101, and a long shaft 250 is also connected between the free ends of the front connecting arms 211 of the two second front connecting rods 2102. The first end of each constant force elastic member 240 is respectively connected to the corresponding long shaft 250. In addition, in this embodiment, the constant force elastic member 240 and the slider link 242 are both located on the same side of the corresponding slide rail 231, and the end of the slider link 242 away from the constant force elastic member 240 is hinged to the free end of the corresponding rear connecting arm 221 through a short shaft 270.

[0071] The support device described in this embodiment can also achieve free adjustment of up and down lifting and front and back pushing and pulling, and also has a better operation feel, and is also convenient for the storage of wire harnesses. It should be noted, Figure 8 The upper and lower parts of the shown support device can only rotate within the range of 0-90 degrees respectively.

[0072] In addition to the above support device, the present invention also provides a medical device including the above support device. The medical device can be an ultrasonic diagnostic device. For the structures of other parts of the ultrasonic diagnostic device, please refer to the prior art and will not be elaborated herein.

[0073] In addition, it should be pointed out that in the above embodiment, "front" specifically refers to the "front" of the medical device or facing the "front" of the medical device, and "rear" specifically refers to the "rear" of the medical device or facing the "rear" of the medical device.

[0074] In this specification, the various embodiments are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other.

[0075] The above has introduced the support device provided by the present invention in detail. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A support device, characterized in that, It includes a frame, a front connecting member and a rear connecting member hinged to the frame, and an intermediate connecting rod hinged between the front connecting member and the rear connecting member; the front connecting member, the rear connecting member, the intermediate connecting rod and the frame form a parallelogram structure; the supporting device further includes a constant-force elastic member. There is a front connecting arm on the front connecting member and a rear connecting arm on the rear connecting member. The first end of the constant-force elastic member is hinged to the free end of the front connecting arm, and an angle adjusting assembly is provided between the second end and the free end of the rear connecting arm so that the extending direction of the constant-force elastic member is in the same direction; the angle adjusting assembly includes a slide rail provided on the intermediate connecting rod or the frame, and a slider connecting rod hinged to the second end of the constant-force elastic member. The end of the slider connecting rod away from the constant-force elastic member is hinged to the free end of the rear connecting arm; a slider is provided at the hinged part of the slider connecting rod and the constant-force elastic member. The rear connecting arm can drive the slider connecting rod to swing, thereby pushing the slider to slide along the slide rail; the constant-force elastic member is a constant-force spring.

2. The support device according to claim 1, characterized in that, There are two frames, namely a first frame and a second frame arranged vertically; the front connecting member includes a first front connecting rod and a second front connecting rod arranged vertically, and the first front connecting rod and the second front connecting rod are hinged to each other; the rear connecting member includes a first rear connecting rod and a second rear connecting rod arranged vertically, and the first rear connecting rod and the second rear connecting rod are hinged to each other. The first front connecting rod includes a first front connecting rod main body and the front connecting arm perpendicular to the first front connecting rod main body, and the first rear connecting rod includes a first rear connecting rod main body and the rear connecting arm perpendicular to the first rear connecting rod main body. The first front connecting rod, the first rear connecting rod, the intermediate connecting rod and the first frame form the parallelogram structure; the second front connecting rod, the second rear connecting rod, the intermediate connecting rod and the second frame also form the parallelogram structure.

3. The support device according to claim 2, characterized in that, The front connecting arm is arranged at the end where the first front connecting rod main body is hinged to the intermediate connecting rod; the rear connecting arm is arranged at the end where the first rear connecting rod main body is hinged to the intermediate connecting rod or its extension line; the first front connecting rod, the second front connecting rod, the first rear connecting rod, the second rear connecting rod, the intermediate connecting rod and the angle adjusting assembly form a first support frame; the supporting device further includes a second support frame with the same structure as the first support frame, and the first support frame and the second support frame are arranged in parallel.

4. The support device according to claim 3, characterized in that, The second support frame is arranged opposite to the first support frame and is arranged in the opposite direction in the vertical direction.

5. The support device according to any one of claims 1 to 4, characterized in that The slide rail is arranged at one end of the intermediate connecting rod, and the slide rail is provided with a connecting part located on the extension line of the intermediate connecting rod, and the rear connecting member is hinged to the connecting part.

6. The support device according to claim 5, characterized in that, The rear connecting member and its rear connecting arm are located on one side of the slide rail, the constant-force elastic member and the slider link are both located on the other side of the slide rail, the rear connecting arm and the slider link are connected by a hinge shaft, and the slide rail is provided with an avoidance slide hole through which the hinge shaft passes.

7. The support device according to claim 6, characterized in that, The connecting portion is arranged inside the slide rail, and an avoidance slide hole is formed between the connecting portion and the side wall of the slide rail.

8. The support device according to claim 7, characterized in that, The avoidance slide hole is an arc slide hole.

9. The support device according to claim 5, characterized in that, The connecting portion is arranged inside the slide rail, and a height difference for avoiding the slider is formed between the connecting portion and the edge surface of the slide rail.

10. The support device according to claim 2, characterized in that, The support device includes an upper part and a lower part, the upper part and the lower part are arranged in opposite directions along the vertical direction and are hinged to each other through the intermediate link; the lower part includes two parallel first front connecting rods, two parallel first rear connecting rods, a first frame and an angle adjustment component, and the upper part includes two parallel second front connecting rods, two parallel second rear connecting rods, a second frame and an angle adjustment component.

11. The support device according to claim 10, wherein The front connecting arm is arranged at one end where the main body of the first front connecting rod is hinged to the first frame, and the rear connecting arm is arranged at one end where the main body of the first rear connecting rod is hinged to the first frame; The first frame and the second frame are respectively provided with the slide rails.

12. The support device according to claim 11, wherein The second front connecting rod includes a second front connecting rod main body and a front connecting arm perpendicular to the second front connecting rod main body, and the front connecting arm is arranged at one end where the second front connecting rod is hinged to the second frame; the second rear connecting rod includes a second rear connecting rod main body and a rear connecting arm perpendicular to the second rear connecting rod main body, and the rear connecting arm is arranged at one end where the second rear connecting rod main body is hinged to the second frame; A long shaft is connected between the free ends of the front connecting arms of the two first front connecting rods, a long shaft is also connected between the free ends of the front connecting arms of the two second front connecting rods, and the first end of each constant-force elastic member is respectively connected to the corresponding long shaft.

13. The support device according to claim 11, characterized in that, The constant-force elastic member and the slider link are both located on the same side of the corresponding slide rail, and one end of the slider link away from the constant-force elastic member is hinged to the free end of the corresponding rear connecting arm through a short shaft.

14. The support device according to claim 1, wherein, The extending direction of the rear connecting arm is parallel to that of the front connecting arm, and the lengths of the rear connecting arm and the slider link are both half of the length of the front connecting arm.

15. The support device according to claim 1, characterized in that, The intermediate link is horizontally arranged, and the extending direction of the slide rail is arranged along the vertical direction.

16. The support device according to claim 1, wherein, The constant-force elastic member is a gas spring, and a release joint for opening and closing the gas spring is provided at one end of the gas spring.

17. A medical device, comprising a support device, characterized in that, The support device is the support device according to any one of claims 1 to 16.

Images