A caster module and medical equipment

Abstract

The application relates to a caster module and medical equipment, and belongs to the technical field of medical instruments, which comprises a base and a plurality of casters arranged at the bottom of the base, four caster cup assemblies capable of moving up and down along the vertical direction are uniformly distributed on the base, and a driving link assembly for driving the four caster cup assemblies to move up and down synchronously is arranged on the base; wherein the caster has a locking state or an unlocking state; when the caster is in the locking state, the driving link assembly drives the four caster cup assemblies to move downward synchronously, so that the base is supported on the ground through the caster cup assemblies; when the caster is in the unlocking state, the driving link assembly drives the four caster cup assemblies to move upward synchronously, so that the base is supported on the ground through the caster. The caster cup assemblies are driven to move up and down by the driving link assembly, the quick switching of the two states of caster support movement and caster cup support fixation is realized, the locking or unlocking of the caster is quickly realized, and the operation is simple and convenient.

Description

Technical Field

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

[0002] In recent years, with the rapid development of the economy and science and technology, my country's high-end medical equipment manufacturing industry has developed rapidly, and many high-precision medical instruments have been domestically produced. To facilitate the movement of medical equipment, most medical equipment is equipped with movable casters. Currently, most medical equipment casters use standard parts such as casters with locking functions, such as casters and universal wheels. However, each time the equipment is moved, it is necessary to unlock and lock each caster individually, sometimes even requiring a professional wrench. In addition, the limited operating space at the bottom of the equipment makes locking and unlocking the casters quite troublesome. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a caster module and a medical device.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a caster module, including a base and a plurality of casters disposed at the bottom of the base, four foot cup assemblies that can move up and down in the vertical direction are evenly distributed on the base, and a drive linkage assembly for driving the four foot cup assemblies to move up and down synchronously is provided on the base.

[0005] The casters have a locked or unlocked state. When the casters are locked, the drive linkage assembly drives the four foot cup assemblies to move downwards synchronously, so that the base is supported on the ground by the foot cup assemblies.

[0006] When the casters are in the unlocked state, the drive linkage assembly drives the four foot cup assemblies to move upward synchronously, so that the base is supported on the ground by the casters.

[0007] Furthermore, the base includes two supporting beams, four casters, and four foot cup assemblies, which are respectively installed at both ends of the two supporting beams.

[0008] Furthermore, the drive linkage assembly includes a drive shaft rotatably disposed between two support beams. The drive shaft is located near the rear end of the support beams and is equipped with a foot pedal. A follower shaft is rotatably disposed at the front end of the support beams. The drive shaft is linked to the follower shaft through a transmission mechanism. Rotation of the drive shaft can drive the follower shaft to rotate. Cams corresponding to the foot cup assembly are installed on the drive shaft and the follower shaft, and the cams can abut against the foot cup assembly.

[0009] Furthermore, the transmission mechanism includes transmission components located at both ends of the drive shaft. The transmission components include an intermediate connecting rod, an active connecting rod disposed at the end of the drive shaft, and a driven connecting rod disposed at the end of the follower shaft. One end of the intermediate connecting rod is hinged to the active connecting rod, and the other end is hinged to the driven connecting rod.

[0010] Furthermore, the supporting beam is square tubular, and the upper end of the supporting beam has a notch that cooperates with the cam.

[0011] Furthermore, the foot cup assembly includes a T-shaped rod disposed within the support beam. The T-shaped rod has a vertical part and a horizontal part. The upper end of the horizontal part abuts against a cam. The lower end of the vertical part slides through and extends out of the support beam, and the extended end is provided with a foot cup. A spring is sleeved on the outside of the vertical part, and the spring is located between the horizontal part and the bottom of the inner side of the support beam.

[0012] Furthermore, a limiting mechanism is provided at the front end of the supporting beam. The limiting mechanism includes a limiting plate and a limiting pin, which are arranged at 90 degrees. The driven link is located between the limiting plate and the limiting pin.

[0013] This application also provides a medical device comprising a caster module as described in any of the preceding claims.

[0014] The beneficial effects of this application are as follows: 1. This application drives the foot cup assembly to move up and down through the drive linkage assembly, realizing the rapid switching between the two states of caster support movement and foot cup support fixation, thereby quickly locking or unlocking the caster. The operation is simple and convenient, improving the efficiency of equipment use.

[0015] 2. When supporting the equipment, the foot cup assembly can provide stable support, adapt to different ground conditions, ensure that the equipment is placed stably, and improve the stability of the equipment, especially suitable for medical equipment with high stability requirements.

[0016] 3. The design of the drive linkage assembly allows for operation with just the simple action of stepping on the foot pedal, eliminating the need for other tools, thus reducing the difficulty of operation and improving work efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a structural schematic diagram of the foot cup assembly of this utility model.

[0019] Figure 3 This is a cross-sectional view of the foot cup assembly of this utility model.

[0020] Figure 4 This is a schematic diagram of the limiting mechanism of this utility model.

[0021] Diagram markings: 1. Support beam, 11. Notch, 12. Limit pin, 13. Limit plate, 2. Drive shaft, 3. Foot pedal, 4. Foot cup assembly, 41. T-bar, 411. Horizontal part, 412. Vertical part, 42. Spring, 43. Foot cup, 5. Caster, 6. Intermediate link, 61. Driven link, 62. Driving link, 7. Follower shaft, 8. Cam. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] Please see Figure 1-4 This utility model provides a caster module, including a base and multiple casters 5 disposed at the bottom of the base. Four foot cup assemblies 4 that can move up and down in a vertical direction are evenly distributed on the base. The base is provided with a drive linkage assembly for driving the four foot cup assemblies 4 to move up and down synchronously. The casters 5 have a locked state or an unlocked state. When the caster 5 is in the locked state, the drive linkage assembly drives the four foot cup assemblies 4 to move down synchronously, so that the base is supported on the ground by the foot cup assemblies 4. When the caster 5 is in the unlocked state, the drive linkage assembly drives the four foot cup assemblies 4 to move up synchronously, so that the base is supported on the ground by the casters 5.

[0024] The base includes two supporting beams 1 and four casters 5, which ensure the equipment remains balanced during movement, facilitating handling and relocation. The four casters 5 are mounted at the front and rear ends of the two supporting beams 1, respectively, and four foot cup assemblies 4 are mounted on the two supporting beams 1. Each foot cup assembly 4 is positioned close to each caster 5. The drive linkage assembly includes a drive shaft 2 rotatably disposed between the two supporting beams 1, located near the rear end of the supporting beams 1. A foot pedal 3 is mounted on the drive shaft 2. A follower shaft 7 is rotatably mounted at the front end of the supporting beams 1. The drive shaft 2 is linked to the follower shaft 7 via a transmission mechanism; rotation of the drive shaft 2 drives rotation of the follower shaft 7. Cams 8, corresponding one-to-one with each foot cup assembly 4, are mounted on the drive shaft 2 and the follower shaft 7, and the cams 8 abut against the foot cup assemblies 4.

[0025] The cam 8 has bearing seats on both the left and right sides. Each bearing seat contains a bearing that rotatably engages with the drive shaft 2 or the follower shaft 7. The drive shaft 2 or the follower shaft 7 passes through the corresponding bearing seat. The drive shaft 2 or the follower shaft 7 rotatably engages with the bearing seat through the bearing.

[0026] Specifically, the transmission mechanism includes transmission components located at both ends of the drive shaft 2. Each transmission component includes an intermediate connecting rod 6, an active connecting rod 62 located at the end of the drive shaft 2, and a driven connecting rod 61 located at the end of the follower shaft 7. One end of the intermediate connecting rod 6 is hinged to the active connecting rod 62, and the other end is hinged to the driven connecting rod 61. The drive shaft 2 and the active connecting rod 62 are connected by a flat key, forming a 7-shaped structure. The driven connecting rods 61 and 62 are connected by a flat key, also forming a 7-shaped structure. The cam 8 is connected to the drive shaft 2 or the follower shaft 7 by a flat key.

[0027] When the drive shaft 2 rotates, the active connecting rod 62 rotates accordingly, driving the driven connecting rod 61 to rotate via the intermediate connecting rod 6, which in turn causes the follower shaft 7 to rotate. Both the drive shaft 2 and the follower shaft 7 are equipped with cams 8 that correspond one-to-one with the foot cup assembly 4. During rotation, the cams 8 abut against the horizontal part 411 of the T-shaped rod 41 of the foot cup assembly 4, thereby driving the foot cup assembly 4.

[0028] The supporting beam 1 is square tubular, and its upper end has a notch 11 that mates with the cam 8. The cam 8 can rotate relative to the notch 11. It should be noted that any parts not detailed in this application are prior art.

[0029] Furthermore, the foot cup assembly 4 includes a T-shaped rod 41 disposed within the support beam 1. The T-shaped rod 41 has a vertical portion 412 and a horizontal portion 411. The upper end face of the horizontal portion 411 abuts against the cam 8, and the cam 8 passes through the notch 11 and abuts against the upper end face of the horizontal portion 411. The lower end of the vertical portion 412 slides through and extends out of the support beam 1, and the extended end is provided with a foot cup 43. A spring 42 is sleeved on the outside of the vertical portion 412, and the spring 42 is located between the horizontal portion 411 and the bottom inner side of the support beam 1.

[0030] Of course, this utility model is not limited to the embodiments described above. Several other embodiments based on the design concept of this utility model are also provided below.

[0031] For example, in other embodiments, unlike the embodiments described above, such as... Figure 4As shown, a limiting mechanism is provided at the front end of the supporting beam 1. The limiting mechanism includes a limiting plate 13 and a limiting pin 12, which are arranged at a 90-degree angle. The driven link 61 is located between the limiting plate 13 and the limiting pin 12. The function of the limiting mechanism is to limit the rotation range of the driven link 61, ensuring that the drive link assembly operates within its normal working range and preventing equipment damage or malfunction of the foot cup assembly 4 due to excessive rotation.

[0032] This application also provides a medical device including the caster module described above.

[0033] When this application is used, if it is necessary to switch to the foot support state: when it is necessary to fix the equipment in place, the operator steps on the foot pedal 3, the drive shaft 2 rotates, and drives the active linkage 62 to rotate. The active linkage 62 drives the driven linkage 61 to rotate through the intermediate linkage 6, which in turn causes the follower shaft 7 to rotate. The cam 8 on the drive shaft 2 and the follower shaft 7 rotates accordingly. During the rotation, the cam 8 gradually presses down on the horizontal part 411 of the T-shaped rod 41 of the foot cup assembly 4, so that the T-shaped rod 41 moves downward against the elastic force of the spring 42, and the foot cup 43 extends downward until the base is stably supported on the ground by the foot cup assembly 4, realizing the switch from the support of the caster 5 to the support of the foot cup 43.

[0034] When switching to caster support mode: When movement is required, step on foot pedal 3 again to rotate drive shaft 2 in the opposite direction, causing cam 8 to rotate in the opposite direction. Cam 8 gradually disengages from pressing down on the horizontal part 411 of T-shaped rod 41. Under the elastic force of spring 42, T-shaped rod 41 moves upward, and foot cup 43 retracts upward accordingly. When foot cup 43 is completely off the ground, unlock caster 5. At this time, the base is supported on the ground by caster 5, and the equipment can be moved by caster 5, realizing the switch from foot cup 43 support mode to caster 5 support mode.

[0035] It should be noted that the above embodiments are only used to illustrate the present utility model, but the present utility model is not limited to the above embodiments. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A caster module comprising a base and a plurality of casters (5) arranged at the bottom of the base, characterized in that, The base is evenly distributed with four foot cup assemblies (4) that can move up and down in the vertical direction. The base is provided with a drive linkage assembly for driving the four foot cup assemblies (4) to move up and down synchronously. Among them, the caster (5) has a locked state or an unlocked state. When the caster (5) is in the locked state, the drive linkage assembly drives the four foot cup assemblies (4) to move downward synchronously so that the base is supported on the ground by the foot cup assemblies (4). When the caster (5) is in the unlocked state, the drive linkage assembly drives the four foot cup assemblies (4) to move upward synchronously, so that the base is supported on the ground by the caster (5).

2. The caster module of claim 1, wherein, The base includes two supporting beams (1), four casters (5), which are respectively installed at both ends of the two supporting beams (1), and four foot cup assemblies (4) are respectively installed on the two supporting beams (1).

3. The caster module of claim 2, wherein: The drive linkage assembly includes a drive shaft (2) rotatably disposed between two support beams (1). The drive shaft (2) is located near the rear end of the support beams (1). A foot pedal (3) is provided on the drive shaft (2). A follower shaft (7) is rotatably disposed at the front end of the support beams (1). The drive shaft (2) is linked to the follower shaft (7) through a transmission mechanism. The rotation of the drive shaft (2) can drive the follower shaft (7) to rotate. Cams (8) corresponding to the foot cup assembly (4) are installed on the drive shaft (2) and the follower shaft (7). The cams (8) can abut against the foot cup assembly (4).

4. A caster module according to claim 3, characterized in that, The transmission mechanism includes transmission components located at both ends of the drive shaft (2). The transmission components include an intermediate connecting rod (6), an active connecting rod (62) located at the end of the drive shaft (2), and a driven connecting rod (61) located at the end of the follower shaft (7). One end of the intermediate connecting rod (6) is hinged to the active connecting rod (62), and the other end is hinged to the driven connecting rod (61).

5. A caster module according to claim 3, characterized in that, The supporting beam (1) is square tube shaped, and the upper end of the supporting beam (1) is provided with a notch (11) that cooperates with the cam (8).

6. The caster module of claim 5, wherein, The foot cup assembly (4) includes a T-shaped rod (41) disposed in the support beam (1). The T-shaped rod (41) has a vertical part (412) and a horizontal part (411). The upper end of the horizontal part (411) abuts against the cam (8). The lower end of the vertical part (412) slides through and extends out of the support beam (1), and the extended end is provided with a foot cup (43). A spring (42) is sleeved on the outside of the vertical part (412). The spring (42) is located between the horizontal part (411) and the bottom of the inner side of the support beam (1).

7. The caster module of claim 4, wherein, The front end of the supporting beam (1) is provided with a limiting mechanism, which includes a limiting plate (13) and a limiting pin (12). The limiting plate (13) and the limiting pin (12) are arranged at 90 degrees, and the driven link (61) is located between the limiting plate (13) and the limiting pin (12).

8. A medical device, characterized in that, Includes a caster module as described in any one of claims 1 to 7.

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