Square linkage expansion device

Abstract

The utility model provides a square linkage expansion device, relates to medical equipment technical field, square bottom plate, arc connecting subassembly and cover plate, the square bottom plate is rotatingly provided with the cross frame, the square bottom plate is slidingly provided with four support frame, the square bottom plate is also provided with four pull rod; one end of the pull rod is connected with the cross, the other end of the pull rod is connected with the supporting frames, every two adjacent supporting frames are connected through the corresponding arc-shaped connecting assembly, and the cover plate is detachably connected with the square bottom plate; and under the rotation of the cross, the four supporting frames and the arc-shaped connecting assemblies can form square structures with different sizes. In actual use, the four supporting frames can be moved away from the center of the square bottom plate by pulling any one of the four pull rods. The device is very convenient to operate, and the four supporting frames do not need to be manually supported one by one.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a square linkage expansion device. Background Art

[0002] Some medical equipment cannot be approached by staff when it is in working state. When building the existing isolation device, it is necessary to push the baffles in four directions to push the four baffles apart to form an isolation baffle that can surround the medical equipment. However, this structure is cumbersome to build and will take up a lot of time for staff.

[0003] Therefore, there is an urgent need for a square linkage expansion device to solve the problem that the existing isolation device is complicated to build and consumes a lot of time of the staff. Utility Model Content

[0004] The utility model provides a square linkage expansion device, which solves the problem that the existing isolation device is complicated to build and consumes a lot of time of the staff.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A square linkage expansion device, comprising:

[0007] A square bottom plate, a cross is rotatably arranged in the middle of the square bottom plate, four brackets are slidably arranged on the square bottom plate, and four pull rods are also arranged on the square bottom plate; one end of the pull rod is connected to the cross, and the other end is connected to the bracket;

[0008] An arc-shaped connecting component, through which two adjacent support frames are connected;

[0009] A cover plate, the cover plate is detachably connected to the square bottom plate;

[0010] Wherein, when the cross is rotated, the four supports and the arc-shaped connecting components can form square structures of different sizes.

[0011] Furthermore, the arc-shaped connecting assembly includes a first arc-shaped rod and a second arc-shaped rod, the first arc-shaped rod and the second arc-shaped rod are hinged, the first arc-shaped rod is hinged to the support frame, and the second arc-shaped rod is hinged to the support frame.

[0012] Furthermore, a slide rail is arranged on the bottom plate, a slider matched with the slide rail is arranged on the support frame, a connecting rod is arranged on the support frame, and one end of the pull rod is hinged to the middle part of the connecting rod.

[0013] Furthermore, a bearing seat is arranged in the middle of the square bottom plate, a rotating shaft is arranged on the cross, and the rotating shaft is located in the bearing seat.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] In actual use, by pulling any one of the four pull rods, the four support frames can be moved away from the center of the square bottom plate. The utility model is very convenient to operate, and there is no need to manually open the four support frames one by one, thereby shortening the construction time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model in the retracted state;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model in a collapsed state from a top view;

[0018] Figure 3 It is a schematic diagram of the structure of the utility model when it is unfolded.

[0019] Markings and parts names in the figure:

[0020] 1-square base plate, 2-cross, 3-support frame, 4-pull rod, 5-first arc rod, 6-second arc rod, 7-cover plate, 8-connecting rod. DETAILED DESCRIPTION

[0021] The utility model is described in detail below in conjunction with the accompanying drawings.

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] This embodiment provides a square linkage expansion device, such as Figure 1-Figure 3 As shown, including:

[0024] A square bottom plate 1, a cross 2 is rotatably arranged in the middle of the square bottom plate 1, four brackets 3 are slidably arranged on the square bottom plate 1, and four pull rods 4 are also arranged on the square bottom plate 1; one end of the pull rod 4 is connected to the cross 2, and the other end is connected to the bracket 3;

[0025] An arc-shaped connecting component, two adjacent supports 3 are connected by the arc-shaped connecting component;

[0026] A cover plate 7, which is detachably connected to the square bottom plate 1;

[0027] Wherein, when the cross 2 rotates, the four supports 3 and the arc-shaped connecting components can form square structures of different sizes.

[0028] In actual use, by pulling any one of the four pull rods 4, the four support frames 3 can be moved away from the center of the square bottom plate 1. The utility model is very convenient to operate, and there is no need to manually open the four support frames 3 one by one, thereby shortening the construction time.

[0029] The above embodiment is further optimized, the arc connection assembly includes a first arc rod 5 and a second arc rod 6, the first arc rod 5 and the second arc rod 6 are hinged, the first arc rod 5 is hinged to the support frame 3, and the second arc rod 5 is hinged to the support frame 3. Such a structural setting can enable the two support frames 3 to be unfolded into square structures of different sizes.

[0030] The above embodiment is further optimized, a slide rail is provided on the square bottom plate 1, a slider matched with the slide rail is provided on the support frame 3, a connecting rod 8 is provided on the support frame 3, one end of the pull rod 4 is hinged to the middle of the connecting rod 8, and the four support frames 3 can move along the slide rail. Among them, one end of the pull rod 4 is hinged to the middle of the connecting rod 9 to make the force more uniform.

[0031] The above embodiment is further optimized. In order to realize the rotation of the cross 2 on the square bottom plate 1, a bearing seat is provided in the middle of the square bottom plate 1, and a rotation axis is provided on the cross 2, and the rotation axis is located in the bearing seat.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A square linkage expansion device, characterized in that: include: A square bottom plate (1), a cross (2) is rotatably arranged in the middle of the square bottom plate (1), four brackets (3) are slidably arranged on the square bottom plate (1), and four pull rods (4) are also arranged on the square bottom plate (1); one end of the pull rod (4) is connected to the cross (2), and the other end is connected to the bracket (3); An arc-shaped connecting component, through which two adjacent support frames (3) are connected; A cover plate (7), wherein the cover plate (7) is detachably connected to the square bottom plate (1); Wherein, when the cross (2) is rotated, the four supports (3) and the arc-shaped connecting components can form square structures of different sizes.

2. A square linkage expansion device according to claim 1, characterized in that: The arc-shaped connecting assembly comprises a first arc-shaped rod (5) and a second arc-shaped rod (6), wherein the first arc-shaped rod (5) and the second arc-shaped rod (6) are hinged, the first arc-shaped rod (5) is hinged to the support frame (3), and the second arc-shaped rod (6) is hinged to the support frame (3).

3. A square linkage expansion device according to claim 2, characterized in that: The square bottom plate (1) is provided with a slide rail, the support frame (3) is provided with a slider matched with the slide rail, the support frame (3) is provided with a connecting rod (8), and one end of the pull rod (4) is hinged to the middle part of the connecting rod (8).

4. A square linkage expansion device according to claim 1, characterized in that: A bearing seat is arranged in the middle of the square bottom plate (1), and a rotating shaft is arranged on the cross (2), and the rotating shaft is located in the bearing seat.

Images