Machine leg locking device and infant incubator

Abstract

The invention provides a machine leg locking device and an infant incubator, and relates to the technical field of infant incubators, the machine leg locking device comprises two supporting leg bodies arranged in a spaced mode, each supporting leg body comprises a supporting leg frame, a connecting rod assembly and a pedal switch, the connecting rod assemblies are rotationally connected to the supporting leg frames, and the two ends of each supporting leg frame are used for installing trundles respectively; the connecting rod assembly is connected with the two trundles in a transmission mode, the foot switch is connected to the connecting rod assembly, and the connecting rod assembly is driven to rotate relative to the supporting foot frame by treading the foot switch so that the trundles can be braked. The transmission mechanism is in transmission connection with the connecting rod assemblies of the two supporting leg bodies, and when one connecting rod assembly rotates, the transmission mechanism is used for driving the other connecting rod assembly to rotate, so that the four trundles are braked at the same time. Compared with the prior art, the machine leg locking device has the advantages that four trundles can be braked at the same time only by treading one foot switch, and the braking efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of infant incubators, and in particular to a machine foot locking device and an infant incubator. Background Art

[0002] Infant incubator, also known as neonatal incubator or warm box, is a medical device specially designed to provide warmth and support for premature babies or newborns who need special care. Its main function is to create a warm and stable environment to maintain the body temperature of the newborn and provide the necessary care conditions.

[0003] Currently, the bottom of the existing incubator is usually equipped with four casters, and each caster has a locking mechanism. By stepping on the locking mechanism of the corresponding caster, the corresponding caster can be locked and unlocked. However, in order to ensure the positioning of the incubator, it is necessary to walk to both sides of the incubator each time and step on the corresponding locking mechanisms on the four casters to lock them respectively, which is a cumbersome process. Moreover, when used in hospitals, users may sometimes lock the casters on one side for the sake of convenience, resulting in the incubator not being completely locked and still having the risk of movement. Summary of the invention

[0004] The problem to be solved by the present invention is: how to provide a machine foot locking device capable of simultaneously locking four casters.

[0005] The present invention provides a machine foot locking device, comprising: Two spaced-apart supporting leg bodies, the supporting leg bodies comprising a supporting leg frame, a connecting rod assembly and a foot switch, the connecting rod assembly being rotatably connected to the supporting leg frame, the two ends of the supporting leg frame being respectively used for mounting casters, and the connecting rod assembly being respectively drivingly connected to the two casters, the foot switch being connected to the connecting rod assembly, and being used to drive the connecting rod assembly to rotate relative to the supporting leg frame by stepping on the foot switch, so as to brake the casters; The transmission mechanism is respectively connected to the connecting rod assemblies of the two supporting leg bodies. When one of the connecting rod assemblies rotates, the transmission mechanism is used to drive the other connecting rod assembly to rotate, so as to achieve simultaneous braking of the four casters.

[0006] Compared with the prior art, the machine foot locking device provided by the present invention has but is not limited to the following beneficial effects: The machine foot locking device described in the present invention includes two spaced-apart support leg bodies, wherein the support leg frames of the two support leg bodies can be respectively installed at the bottom of the infant incubator, and casters are respectively installed at both ends of each support leg frame, wherein the casters are conventional casters with locking mechanisms on the market, and each caster is respectively connected to the corresponding connecting rod assembly on the support leg body in a transmission manner, so that the corresponding connecting rod assembly can be rotated relative to the support leg frame by stepping on a foot switch on one of the support leg bodies, and the connecting rod assembly on the other support leg body can be driven to rotate under the action of the transmission mechanism, and the rotation of the connecting rod assemblies on the two support leg bodies can respectively drive the locking mechanisms inside the corresponding casters to act, thereby achieving simultaneous braking of four casters. Compared with the prior art, the machine foot locking device of the present invention only requires stepping on one foot switch to achieve simultaneous braking of four casters, thereby improving braking efficiency.

[0007] Optionally, the foot switch comprises a pedal, a ratchet mechanism and a return spring, the pedal is transmission-connected to the connecting rod assembly via the ratchet mechanism, and the return spring is arranged on the pedal.

[0008] Optionally, the pedal includes a footrest portion and a connecting portion that are interconnected, the connecting portion is provided with a through hole, and the connecting portion is sleeved on the connecting rod assembly through the through hole; the ratchet mechanism includes a ratchet, a top block and a first spring, the ratchet is connected to the connecting rod assembly and is located in the through hole, a first groove that is connected to the through hole is provided on the side wall of the connecting portion, the top block and the first spring are both arranged in the first groove, one end of the top block is used to contact the tooth surface of the ratchet, one end of the first spring is connected to the other end of the top block, and the other end of the first spring is connected to the inner wall of the first groove away from the through hole.

[0009] Optionally, the transmission mechanism includes a transmission rod and a gear transmission mechanism, and both ends of the transmission rod are respectively connected to the corresponding connecting rod assembly through the gear transmission mechanism; the gear transmission mechanism includes a fixed seat, a first gear and a second gear, the fixed seat is arranged on the support leg frame, the transmission rod is rotatably connected to the fixed seat, the first gear is connected to the transmission rod, the second gear is connected to the connecting rod assembly, and the first gear is connected to the second gear.

[0010] Optionally, the transmission rod includes a connecting tube and two telescopic rods movably arranged in the connecting tube, the two telescopic rods are respectively rotatably connected to the two fixed seats, the two first gears are respectively connected to the ends of the two telescopic rods away from each other, a connecting hole is provided on the telescopic rod, and a waist-shaped hole is provided on the connecting tube, and the connecting hole and the waist-shaped hole are used to be connected by screws to connect the telescopic rod to the connecting tube.

[0011] Optionally, the machine foot locking device also includes a warning mechanism, which includes a warning rod, a cross block, a second spring and a mounting seat, the support leg frame is provided with a receiving groove for accommodating the connecting rod assembly, the bottom wall of the receiving groove is provided with a second groove, the bottom wall of the second groove is provided with a through hole that penetrates the support leg frame, the mounting seat is arranged in the second groove, the warning rod is respectively penetrated through the through hole, the second groove and the mounting seat, and one end of the warning rod is used to extend into the receiving groove, and the other end is used to pass out of the support leg frame, the warning rod is provided with a boss, and the boss is located in the mounting seat, the second spring is sleeved on the warning rod, and one end of the second spring abuts against the boss, and the other end abuts against the bottom wall of the second groove, the cross block is connected to the connecting rod assembly, and the cross block is used to abut against one end of the warning rod extending into the receiving groove to push the other end of the warning rod out of the support leg frame.

[0012] Optionally, the support leg frame is an arc-shaped structure, the connecting rod assembly includes a connecting rod and a hinge mechanism, a plurality of the connecting rods are arranged at intervals along the extension direction of the arc-shaped structure, and any two adjacent connecting rods are transmission connected via the hinge mechanism.

[0013] Optionally, the articulated mechanism includes a first connecting block, a second connecting block and a hinge block, the first connecting block and the second connecting block are respectively connected to the opposite ends of two adjacent connecting rods, the first connecting block and the second connecting block are used to be connected to the hinge block through a first pin and a second pin, respectively, and the first pin and the second pin are perpendicular.

[0014] Optionally, a receiving groove is provided on the support leg frame, a plurality of bearing seats are arranged at intervals in the receiving groove, and a plurality of connecting rods are respectively connected to the support leg frame through corresponding bearing seats.

[0015] In addition, the present invention also provides an infant incubator, comprising the machine foot locking device as described above.

[0016] Since the technical improvement and technical effect of the infant incubator are the same as those of the machine foot locking device, the technical effect of the infant incubator will not be described in detail. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional diagram of the machine foot locking device according to the embodiment of the present invention Figure 1 ; Figure 2 A bottom view of a machine foot locking device according to an embodiment of the present invention; Figure 3 for Figure 2 A partial enlarged view of the middle part; Figure 4 for Figure 2 A partial enlarged view of point B in the middle; Figure 5 The three-dimensional diagram of the machine foot locking device according to the embodiment of the present invention Figure 2 ; Figure 6 for Figure 5 A partial enlarged view of point C in the middle; Figure 7 The three-dimensional diagram of the machine foot locking device according to the embodiment of the present invention Figure 3 ; Figure 8 for Figure 7 A partial enlarged view of point D in the middle; Fig. 9 is a cross-sectional view of a support leg frame according to an embodiment of the present invention; Fig.10 Schematic diagram of the structure of the warning mechanism of the embodiment of the present invention.

[0018] Description of reference numerals: The support frame 1, the receiving groove 11, the second groove 12, the through hole 13, and the bearing seat 14; Connecting rod assembly 2, connecting rod 21, hinge mechanism 22, first connecting block 221, second connecting block 222, hinge block 223; Foot switch 3, pedal 31, foot pedal portion 311, connecting portion 312, return spring 32, ratchet 33, top block 34, first spring 35; Transmission mechanism 4, transmission rod 41, connecting pipe 411, waist-shaped hole 4111, telescopic rod 412, connecting hole 4121, gear transmission mechanism 42, fixing seat 421, first gear 422, second gear 423; Warning mechanism 5, warning rod 51, cross block 52, second spring 53, mounting seat 54; Fixing plate 6. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0020] In the description of the present invention, the directions or positional relationships indicated by “up”, “down”, “left”, “right”, “top”, “bottom”, “front”, “back”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention. They do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the scope of protection of the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment" and "one implementation" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or implementation are included in at least one embodiment or implementation of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or implementation. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or implementations in a suitable manner.

[0023] Moreover, the Z-axis in the accompanying drawings represents the vertical direction, that is, the up and down position, and the positive direction of the Z-axis (that is, the direction of the arrow of the Z-axis) represents the top, and the negative direction of the Z-axis (that is, the direction opposite to the positive direction of the Z-axis) represents the bottom; the X-axis in the accompanying drawings represents the horizontal direction, that is, the left and right position, and the positive direction of the X-axis (that is, the direction of the arrow of the X-axis) represents the right, and the negative direction of the X-axis (that is, the direction opposite to the positive direction of the X-axis) represents the left; the Y-axis in the accompanying drawings represents the longitudinal direction, that is, the front and back position, and the positive direction of the Y-axis (that is, the direction of the arrow of the Y-axis) represents the front, and the negative direction of the Y-axis (that is, the direction opposite to the positive direction of the Y-axis) represents the back.

[0024] It should also be noted that the aforementioned Z-axis, X-axis and Y-axis are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0025] like Figures 1 to 2 As shown, the machine foot locking device of the embodiment of the present invention includes: Two spaced-apart supporting leg bodies, the supporting leg bodies comprising a supporting leg frame 1, a connecting rod assembly 2 and a foot switch 3, the connecting rod assembly 2 being rotatably connected to the supporting leg frame 1, the two ends of the supporting leg frame 1 being respectively used for mounting casters, and the connecting rod assembly 2 being respectively drivingly connected to the two casters, the foot switch 3 being connected to the connecting rod assembly 2, and being used to drive the connecting rod assembly 2 to rotate relative to the supporting leg frame 1 by stepping on the foot switch 3, so as to brake the casters; The transmission mechanism 4 is respectively connected to the connecting rod assemblies 2 of the two supporting leg bodies. When one of the connecting rod assemblies 2 rotates, the transmission mechanism 4 is used to drive the other connecting rod assembly 2 to rotate, so as to achieve simultaneous braking and unlocking of the four casters.

[0026] In this embodiment, combined with the attached Figure 1 and attached Figure 2 As shown, the machine foot locking device of the present invention comprises two spaced arrangements (attached Figure 1 or attached Figure 2 The invention relates to a foot body having a central Y-axis direction, wherein the foot frames 1 of the two foot bodies can be respectively installed at the bottom of the infant incubator, and casters are respectively installed at both ends of each foot frame 1, wherein the casters are conventional casters with locking mechanisms on the market, and each caster is respectively connected to the corresponding connecting rod assembly 2 on the foot body in a transmission manner, so that the corresponding connecting rod assembly 2 can be rotated relative to the foot frame 1 by stepping on the foot switch 3 on one of the foot bodies, and the connecting rod assembly 2 on the other foot body can be driven to rotate under the action of the transmission mechanism 4, and the locking mechanism inside the corresponding casters can be driven to act respectively through the rotation of the connecting rod assemblies 2 on the two foot bodies, thereby achieving the simultaneous braking of the four casters. Compared with the prior art, the machine foot locking device of the present invention only needs to step on one foot switch to achieve the simultaneous braking of the four casters, thereby improving the braking efficiency.

[0027] It should be noted that the leg locking device of this machine is not limited to infant incubators, but can be used on any equipment with casters (casters with locking mechanisms) installed at the bottom.

[0028] Optionally, the foot switch 3 includes a pedal 31 , a ratchet mechanism and a return spring 32 , the pedal 31 is transmission-connected to the connecting rod assembly 2 via the ratchet mechanism, and the return spring 32 is disposed on the pedal 31 .

[0029] The pedal 31 includes a pedal portion 311 and a connecting portion 312 that are connected to each other. The connecting portion 312 is provided with a through hole, and the connecting portion 312 is sleeved on the connecting rod assembly 2 through the through hole; the ratchet mechanism includes a ratchet 33, a top block 34 and a first spring 35. The ratchet 33 is connected to the connecting rod assembly 2 and is located in the through hole. A first groove that is connected to the through hole is provided on the side wall of the connecting portion 312. The top block 34 and the first spring 35 are both arranged in the first groove. One end of the top block 34 is used to contact the tooth surface of the ratchet 33, one end of the first spring 35 is connected to the other end of the top block 34, and the other end of the first spring 35 is connected to the inner wall of the first groove away from the through hole.

[0030] In this embodiment, combined with the attached Figure 5 To Attachment Figure 8 As shown, the pedal 31 is connected to the connecting rod assembly 2 through a ratchet mechanism, wherein the pedal 31 includes a pedal portion 311 and a connecting portion 312 connected to each other, the pedal portion 311 is used to contact a human foot, and the connecting portion 312 is used to connect to the connecting rod assembly 2 (connecting rod 21), wherein the connecting portion 312 is sleeved on the connecting rod 21 of the connecting rod assembly 2 through a through hole opened thereon, and the ratchet 33 can be connected to the connecting rod 21 of the connecting rod assembly 2 through a pin shaft. After installation, the ratchet 33 is fixed relative to the connecting rod 21, that is, the ratchet 33 can drive the connecting rod 21 to rotate, and the end of the top block 34 close to the ratchet 33 is an inclined surface, and cooperates with the tooth surface of the ratchet 33, combined with the attached Figure 6 As shown, under the action of the first spring 35, the end of the top block 34 is inserted into the groove of the ratchet 33 (between adjacent teeth on the ratchet 33). When the user steps on the pedal 31 (pedal portion 311), the connecting portion 312 will drive the top block 34 and the first spring 35 to rotate counterclockwise. During the counterclockwise rotation, the top block 34 and the ratchet 33 are limited, and the first spring 35 will not be compressed. The top block 34 can drive the ratchet 33 to rotate counterclockwise. During the counterclockwise rotation, the return spring 32 is compressed. When the pedal 31 (pedal portion 311) is released, the pedal 31 is under the action of the return spring 32. Because of the structure of the ratchet 33, when the connecting portion 312 drives the top block 34 and the first spring 35 to rotate clockwise, the tooth surface of the ratchet 33 will cooperate with the inclined surface of the top block 34 to abut, and the first spring 35 will be compressed, that is, the top block 34 will not be limited by the ratchet 33 when rotating clockwise, so the pedal 31 can be smoothly reset. In this way, by stepping on the pedal 31 once, the connecting rod assembly 2 is driven to rotate, thereby driving the locking mechanism inside the corresponding caster to achieve the braking of the caster. After the pedal 31 is reset, the pedal 31 can be stepped on again to repeat the above action, thereby unlocking the caster. In addition, the surface of the pedal 31 can be provided with an anti-skid groove, and the bottom can also be provided with a groove structure to reduce the weight while ensuring the strength, so as to avoid the reset spring 32 from being unable to reset due to insufficient elasticity.

[0031] Optionally, the transmission mechanism 4 includes a transmission rod 41 and a gear transmission mechanism 42, and both ends of the transmission rod 41 are respectively connected to the corresponding connecting rod assembly 2 through the gear transmission mechanism 42; the gear transmission mechanism 42 includes a fixed seat 421, a first gear 422 and a second gear 423, the fixed seat 421 is set on the support leg frame 1, the transmission rod 41 is rotatably connected to the fixed seat 421, the first gear 422 is connected to the transmission rod 41, the second gear 423 is connected to the connecting rod assembly 2, and the first gear 422 is connected to the second gear 423.

[0032] In this embodiment, combined with the attached Figure 2 and attached Figure 3 As shown, the two fixing seats 421 can be respectively connected to the same positions of the two supporting leg frames 1 by bolts, the two ends of the transmission rod 41 can be respectively rotatably connected to the fixing seats 421 by bearings, the transmission rod 41 can rotate around its own axis, the first gear 422 can be connected to the end of the transmission rod 41 by screws, and the first gear 422 is located in the fixing seat 421, the second gear 423 can be connected to the connecting rod 21 of the connecting rod assembly 2 by screws, and the second gear 423 is located in the fixing seat 421, and the first gear 422 and the second gear 423 are meshed for transmission, wherein the first gear 422 and the second gear 423 are both helical gears, so that when one of the connecting rod assemblies 2 rotates, the other connecting rod assembly 2 can be driven to rotate through the transmission mechanism 4, so as to achieve simultaneous braking of four casters.

[0033] Optionally, the transmission rod 41 includes a connecting tube 411 and two telescopic rods 412 movably arranged in the connecting tube 411, the two telescopic rods 412 are respectively rotatably connected to the two fixed seats 421, the two first gears 422 are respectively connected to the ends of the two telescopic rods 412 away from each other, the telescopic rod 412 is provided with a connecting hole 4121, the connecting tube 411 is provided with a waist-shaped hole 4111, the connecting hole 4121 and the waist-shaped hole 4111 are used to be connected by screws to connect the telescopic rod 412 to the connecting tube 411.

[0034] In this embodiment, combined with the attached Figure 2 and attached Figure 3 As shown, the transmission rod 41 includes a connecting tube 411 and two telescopic rods 412 movably arranged in the connecting tube 411, the connecting tube 411 is provided with two waist-shaped holes 4111, and the telescopic rod 412 is provided with a connecting hole 4121, wherein the connecting hole 4121 can be a threaded hole, and the telescopic rod 412 is two, the front and rear (attached Figure 2The two telescopic rods 412 are respectively connected to the two fixing seats 421 through bearings, and the two first gears 422 are respectively connected to the ends of the two telescopic rods 412 through screws. When the two telescopic rods 412 are respectively connected to the two connecting rod assemblies 2 (the two first gears 422 and the two second gears 423 are respectively engaged in transmission), the casters installed at the two ends of the two supporting leg frames 1 can be locked / unlocked by stepping on the pedal 31 on any side. After the telescopic rod 412 is retracted into the connecting tube, the first gear 422 and the second gear 423 are not engaged in transmission, which is equivalent to the transmission rod 41 being removed at this time. Stepping on the pedal 31 on any side can only lock / unlock the casters at both ends of the supporting leg frame 1 on the same side.

[0035] Optionally, the machine foot locking device also includes a warning mechanism 5, the warning mechanism 5 includes a warning rod 51, a cross block 52, a second spring 53 and a mounting seat 54, the support leg frame 1 is provided with a receiving groove 11 for accommodating the connecting rod assembly 2, the bottom wall of the receiving groove 11 is provided with a second groove 12, the bottom wall of the second groove 12 is provided with a through hole 13 penetrating the support leg frame 1, the mounting seat 54 is arranged in the second groove 12, the warning rod 51 is respectively penetrated through the through hole 13, the second groove 12 and the mounting seat 54, and the One end of the warning rod 51 is used to extend into the accommodating groove 11, and the other end is used to pass through the support leg frame 1. The warning rod 51 is provided with a boss, and the boss is located in the mounting seat 54. The second spring 53 is sleeved on the warning rod 51, and one end of the second spring 53 abuts against the boss, and the other end abuts against the bottom wall of the second groove 12. The cross block 52 is connected to the connecting rod assembly 2, and the cross block 52 is used to abut against one end of the warning rod 51 extending into the accommodating groove 11 to push the other end of the warning rod 51 out of the support leg frame 1.

[0036] Specifically, in combination with Fig. 9 As shown, the leg frame 1 is provided with a receiving groove 11 for accommodating the connecting rod assembly 2, the bottom wall of the receiving groove 11 is provided with a second groove 12, and the bottom wall of the second groove 12 is provided with a through hole 13 penetrating the leg frame 1. Fig.10As shown, the mounting seat 54 is a cylindrical structure, which is fixedly installed in the second groove 12. The upper and lower ends of the mounting seat 54 are both open, and the size of the lower end opening is smaller than that of the upper end opening. The warning rod 51 is respectively penetrated through the through hole 13, the second groove 12 and the mounting seat 54. A convex shoulder is provided on the warning rod 51, and the convex shoulder is located in the mounting seat 54. The size of the convex shoulder is adapted to the inner cavity diameter of the mounting seat 54. The second spring 53 is sleeved on the warning rod 51, and one end of the second spring 53 abuts against the convex shoulder, and the other end abuts against the bottom wall of the second groove 12. Figure 7 and attached Figure 8 As shown, the cross block 52 can be connected to the connecting rod 21 of the connecting rod assembly 2 through a pin, that is, the cross block 52 is fixed relative to the connecting rod 21, and the connecting rod 21 can drive the cross block 52 to rotate, and the adjacent protruding parts on the cross block 52 are arc transitions.

[0037] In this embodiment, combined with the attached Figure 1 , Attachment Figure 7 , Attachment Figure 8 , Attachment Fig. 9 and attached Fig.10 As shown, a red mark can be applied to the top of the warning rod 51 (the end used to pass through the leg frame 1). Each time the pedal 31 is stepped on, the connecting rod 21 rotates 45 degrees, and the cross block 52 lifts the warning rod 51 and passes through the leg frame 1 through rotation. At this time, the caster is in a locked state. When the warning rod 51 falls, the caster is in an unlocked state, thereby prompting the operator of the current usage status of the caster.

[0038] Optionally, the support leg frame 1 is an arc-shaped structure, the connecting rod assembly 2 includes a connecting rod 21 and a hinge mechanism 22, a plurality of the connecting rods 21 are arranged at intervals along the extension direction of the arc-shaped structure, and any two adjacent connecting rods 21 are transmission connected via the hinge mechanism 22.

[0039] In this embodiment, combined with the attached Figure 2 As shown, the support leg frame 1 is an overall arc-shaped structure, and a plurality of connecting rods 21 are arranged at intervals along the extension direction of the arc structure, wherein the plurality of connecting rods 21 are arranged horizontally and inclined, and any two adjacent connecting rods 21 are connected by the hinge mechanism 22, so that only one connecting rod 21 needs to be driven to rotate to simultaneously drive the other connecting rods 21 to rotate.

[0040] Optionally, the hinge mechanism 22 includes a first connecting block 221, a second connecting block 222 and a hinge block 223, the first connecting block 221 and the second connecting block 222 are respectively connected to the opposite ends of two adjacent connecting rods 21, the first connecting block 221 and the second connecting block 222 are used to be connected to the hinge block 223 through a first pin shaft and a second pin shaft, respectively, and the first pin shaft and the second pin shaft are perpendicular.

[0041] In this embodiment, combined with the attached Figure 2 and attached Figure 4 As shown, the first connecting block 221 and the second connecting block 222 have the same structure. The first connecting block 221 and the second connecting block 222 can be respectively connected to the opposite ends of the two adjacent connecting rods 21 by bolts. The first connecting block 221 and the second connecting block 222 each include two symmetrical hinged ends, and mounting holes are provided on the hinged ends. The hinge block 223 can be a spherical structure with mounting holes in four directions. The mounting holes on the first connecting block 221 and the second connecting block 222 can be limited by pins and the mounting holes on the hinge block 223, wherein each pin is fixed relative to the mounting holes on the first connecting block 221 and the second connecting block 222, and movable relative to the mounting holes on the hinge block 223.

[0042] Optionally, a receiving groove 11 is provided on the support leg frame 1 , and a plurality of bearing seats 14 are arranged at intervals in the receiving groove 11 , and a plurality of connecting rods 21 are connected to the support leg frame 1 through corresponding bearing seats 14 , respectively.

[0043] In this embodiment, combined with the attached Figure 2 and attached Fig. 9 As shown, a receiving groove 11 is opened on the bottom surface of the support leg frame 1, and a plurality of bearing seats 14 are arranged at intervals in the receiving groove 11, and a plurality of connecting rods 21 are respectively connected to the plurality of bearing seats 14, and the bearing seats 14 are used to ensure the stability of the connecting rod 21 and prevent the connecting rod 21 from being offset.

[0044] Optionally, a fixing plate 6 may be further provided between the two supporting leg frames 1 , wherein two ends of the fixing plate 6 may be respectively connected to the two supporting leg frames 1 by bolts.

[0045] In addition, the present invention also provides an infant incubator, comprising the machine foot locking device as described above.

[0046] Since the technical improvement and technical effect of the infant incubator are the same as those of the machine foot locking device, the technical effect of the infant incubator will not be described in detail.

[0047] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0048] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will fall within the protection scope of the present invention.

Claims

1. A machine foot locking device, characterized in that: include: Two support legs are arranged at intervals, the support legs comprising a support leg frame (1), a connecting rod assembly (2) and a foot switch (3), the connecting rod assembly (2) being rotatably connected to the support leg frame (1), the two ends of the support leg frame (1) being used to mount casters, and the connecting rod assembly (2) being respectively drivingly connected to the two casters, the foot switch (3) being connected to the connecting rod assembly (2), and being used to drive the connecting rod assembly (2) to rotate relative to the support leg frame (1) by stepping on the foot switch (3), so as to brake the casters; A transmission mechanism (4), wherein the transmission mechanism (4) is respectively connected to the connecting rod assemblies (2) of the two supporting leg bodies, and when one of the connecting rod assemblies (2) rotates, the transmission mechanism (4) is used to drive the other connecting rod assembly (2) to rotate, so as to achieve simultaneous braking and unlocking of the four casters.

2. The machine foot locking device according to claim 1, characterized in that: The foot switch (3) comprises a pedal (31), a ratchet mechanism and a return spring (32); the pedal (31) is transmission-connected to the connecting rod assembly (2) via the ratchet mechanism; and the return spring (32) is arranged on the pedal (31).

3. The machine foot locking device according to claim 2, characterized in that: The pedal (31) comprises a pedal portion (311) and a connecting portion (312) which are connected to each other. A through hole is formed on the connecting portion (312), and the connecting portion (312) is sleeved on the connecting rod assembly (2) through the through hole. The ratchet mechanism comprises a ratchet (33), a top block (34) and a first spring (35). The ratchet (33) is connected to the connecting rod assembly (2) and is located in the through hole. A first groove which is connected to the through hole is formed on a side wall of the connecting portion (312). The top block (34) and the first spring (35) are both arranged in the first groove. One end of the top block (34) is used to contact the tooth surface of the ratchet (33). One end of the first spring (35) is connected to the other end of the top block (34). The other end of the first spring (35) is connected to the inner wall of the first groove away from the through hole.

4. The machine foot locking device according to claim 1, characterized in that: The transmission mechanism (4) comprises a transmission rod (41) and a gear transmission mechanism (42); both ends of the transmission rod (41) are respectively transmission-connected to the corresponding connecting rod assembly (2) via the gear transmission mechanism (42); the gear transmission mechanism (42) comprises a fixing seat (421), a first gear (422) and a second gear (423); the fixing seat (421) is arranged on the support leg frame (1); the transmission rod (41) is rotationally connected to the fixing seat (421); the first gear (422) is connected to the transmission rod (41); the second gear (423) is connected to the connecting rod assembly (2); and the first gear (422) and the second gear (423) are transmission-connected.

5. The machine foot locking device according to claim 4, characterized in that: The transmission rod (41) comprises a connecting tube (411) and two telescopic rods (412) movably arranged in the connecting tube (411); the two telescopic rods (412) are respectively rotatably connected to the two fixing seats (421); the two first gears (422) are respectively connected to ends of the two telescopic rods (412) that are away from each other; a connecting hole (4121) is provided on the telescopic rod (412); a waist-shaped hole (4111) is provided on the connecting tube (411); the connecting hole (4121) and the waist-shaped hole (4111) are used to be connected by screws to connect the telescopic rod (412) to the connecting tube (411).

6. The machine foot locking device according to claim 1, characterized in that: The device also comprises a warning mechanism (5), the warning mechanism (5) comprising a warning rod (51), a cross block (52), a second spring (53) and a mounting seat (54); the support leg frame (1) is provided with a receiving groove (11) for accommodating the connecting rod assembly (2); the bottom wall of the receiving groove (11) is provided with a second groove (12); the bottom wall of the second groove (12) is provided with a through hole (13) penetrating the support leg frame (1); the mounting seat (54) is arranged in the second groove (12); the warning rod (51) is respectively penetrated through the through hole (13), the second groove (12) and the mounting seat (54); and the warning rod (51) is respectively penetrated through the through hole (13), the second groove (12) and the mounting seat (54); One end of the rod (51) is used to extend into the receiving groove (11), and the other end is used to pass through the support leg frame (1); a boss is provided on the warning rod (51), and the boss is located in the mounting seat (54); the second spring (53) is sleeved on the warning rod (51), and one end of the second spring (53) abuts against the boss, and the other end abuts against the bottom wall of the second groove (12); the cross block (52) is connected to the connecting rod assembly (2), and the cross block (52) is used to abut against one end of the warning rod (51) extending into the receiving groove (11) to push the other end of the warning rod (51) out of the support leg frame (1).

7. The machine foot locking device according to claim 1, characterized in that: The support leg frame (1) is an arc-shaped structure, and the connecting rod assembly (2) comprises a connecting rod (21) and a hinge mechanism (22). A plurality of the connecting rods (21) are arranged at intervals along the extension direction of the arc-shaped structure, and any two adjacent connecting rods (21) are transmission-connected via the hinge mechanism (22).

8. The machine foot locking device according to claim 7, characterized in that: The hinge mechanism (22) comprises a first connecting block (221), a second connecting block (222) and an articulated block (223); the first connecting block (221) and the second connecting block (222) are respectively connected to opposite ends of two adjacent connecting rods (21); the first connecting block (221) and the second connecting block (222) are respectively connected to the articulated block (223) via a first pin shaft and a second pin shaft; the first pin shaft and the second pin shaft are perpendicular to each other.

9. The machine foot locking device according to claim 7, characterized in that: The support leg frame (1) is provided with a receiving groove (11), a plurality of bearing seats (14) are arranged at intervals in the receiving groove (11), and the plurality of connecting rods (21) are respectively connected to the support leg frame (1) via corresponding bearing seats (14).

10. An infant incubator, characterized in that: It comprises a machine foot locking device as described in any one of claims 1-9.

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