A switching device

Abstract

The utility model provides a kind of switch device, including cover, seat, suction assembly, ejecting assembly, the cover is rotatably connected with seat, the suction assembly includes first suction piece and second suction piece, the first suction piece is equipped in the fastening surface of the seat, second suction piece is equipped in the fastening surface of the cover, and in the state of closing lid, the position of the first suction piece and second suction piece corresponds (i. e. suction match);In the state of closing lid, the first suction piece and second suction piece are mutually attracted to lock cover in seat;When opening lid, external force is applied to the ejecting assembly to drive its action, so that the second suction piece and first suction piece are separated.The utility model aims at solving the problem of existing switch device operation cumbersome.

Description

Technical Field

[0001] This utility model relates to the field of switches, and specifically to a switching device. Background Technology

[0002] In the design of precision instruments such as integrating spheres, mechanical locking structures such as snap-fit ​​and push-button snap-fit ​​are commonly used to achieve reliable closure. These structures secure the cover and base through the interlocking action of physical snap-fits, but they have significant limitations in terms of ease of operation: locking requires aligning the snap-fit ​​position and applying specific force, while unlocking requires multiple steps such as pressing and flicking to release the snap-fit ​​constraint, making the overall operation process cumbersome. For scenarios requiring frequent opening and closing of the integrating sphere for internal component maintenance and sample replacement, these operational inconveniences will further increase the user's operating time, making it difficult to meet the needs of high-efficiency testing scenarios. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a switching device that solves the problem of cumbersome operation of existing switching devices.

[0004] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows: This utility model provides a switching device, including a cover, a base, a suction assembly, and an ejection assembly. The cover and the base are rotatably connected. The suction assembly includes a first suction member and a second suction member. The first suction member is disposed on the fastening surface of the base, and the second suction member is disposed on the fastening surface of the cover. In the closed state, the first suction member and the second suction member are positioned correspondingly (i.e., suction matching). In the closed state, the first suction member and the second suction member attract each other to lock the cover to the base. When the cover is opened, an external force is applied to the ejection assembly to drive its action, causing the second suction member to separate from the first suction member.

[0005] In the above technical solution, the opening and closing operation of the switch device is greatly simplified by the structural design of automatic locking of the suction component and convenient separation of the ejection component. When closing the cover, after the cover rotates relative to the seat to the locking position, the first suction component on the locking surface of the seat and the second suction component on the locking surface of the cover can automatically correspond and suction, directly realizing the locking and fixing of the cover and the seat. When opening the cover, an external force (such as pressing or pushing) is applied to the ejection component, which drives the ejection component to move and push it against the seat, so that the first suction component and the second suction component that were originally suctioned are separated, and the locking state is released, effectively solving the problem of cumbersome opening and closing operation of the existing switch device.

[0006] As a technical solution, a handle is also included. The handle is fixedly connected to the cover and located on the side of the cover away from its rotatable connection end with the base. The fixed connection method can be screw connection, welding, riveting, or bolt connection. When opening the cover, a pulling force is applied to the handle, and the ejector component pushes the base. The two work together to drive the second suction component to separate from the first suction component. The handle provides a clear fulcrum for the cover, and together with the pushing action of the ejector component, the two work together to separate the suction components, making opening and closing simple and convenient.

[0007] As a technical solution, the handle is a U-shaped structure, with its two ends symmetrically fixed to the outer surface edge of the cover, and is spaced apart from the pressing part of the ejector component along the circumference of the cover; by applying a pulling force to the handle and the ejector component pushing the seat, the cover can be rotated to achieve full opening.

[0008] As a technical solution, the cover and the base are two hemispheres of the integrating sphere, which, when fastened together, form a complete integrating sphere structure. Specifically, the base is the left hemisphere of the integrating sphere, and the cover is the right hemisphere of the integrating sphere, with their fastening surfaces being mutually compatible planes; in the closed state, the inner walls of the two hemispheres are seamlessly joined, together forming a complete hollow integrating sphere cavity.

[0009] As one technical solution, the attraction assembly is a magnetic assembly, wherein both the first and second attraction components are magnets, and their opposing surfaces have opposite polarities to achieve attraction; or, of the first and second attraction components, one is a magnet, and the other is a metal component that can be magnetically attracted, such as iron, cobalt, nickel, or their alloys. The first and second attraction components are connected by adhesive bonding, screw fixing, or welding to the corresponding fastening surfaces.

[0010] As a technical solution, the inner side of the fastening surface of the seat is recessed with a receiving cavity adapted to the ejection assembly; the cover is provided with a mounting hole at a position opposite to the receiving cavity, the ejection assembly passes through the mounting hole, and the ejection assembly is movably disposed along the axial direction of the mounting hole; the ejection assembly includes a pressing part and a sliding rod, the pressing part is located on the outside of the cover, the sliding rod passes through the mounting hole, one end of the sliding rod is provided with a limiting flange, and the other end is fixedly connected to the pressing part (by screw, adhesive, welding, or threaded connection), or the sliding rod and the pressing part are integrally formed; when opening the cover, pressing the pressing part causes the sliding rod to move towards the seat until the end of the sliding rod away from the pressing part pushes against the inner wall of the receiving cavity, and under the action of external force (e.g., the pulling force of a handle), the first suction member and the second suction member are separated.

[0011] As a technical solution, the pressing part has a circular boss structure. Its diameter is larger than the mounting hole diameter and protrudes from the outer surface of the cover, which facilitates the application of force.

[0012] As a technical solution, the outer diameter of the limiting flange is larger than the inner diameter of the mounting hole to prevent the ejection assembly from detaching from the cover.

[0013] As a technical solution, the system also includes a return spring and a spring groove. The spring groove is located around the mounting hole, with a diameter larger than that of the mounting hole, and a depth less than the natural length of the return spring. The return spring is located within the spring groove and sleeved on the slide rod. One end of the return spring is fixedly connected to the pressing part (by screw, adhesive, welding, threaded connection, or snap-fit ​​connection), and its extension direction is consistent with the pressing direction of the pressing part. In the closed state, the return spring is in a naturally extended state, with the end of the return spring away from the pressing part maintaining a preset distance or slight contact with the bottom of the spring groove. When the cover is opened, pressing the pressing part causes the return spring to move towards the seat and be compressed until the end of the return spring away from the pressing part is in close contact with the bottom of the spring groove. After the pressing force is released, the return spring releases its elastic potential energy and extends, causing the ejector assembly to return to its initial position in the closed state along the axial direction of the mounting hole. The ejector assembly is equipped with a return spring, which can automatically return after pressing, eliminating the need for manual operation and improving ease of use.

[0014] As a technical solution, the cover and the base are connected by a hinge, and the cover can rotate around the hinge. Specifically, the hinge includes a hinge seat located on one edge of the cover and a hinge shaft located on the corresponding edge of the base. The hinge shaft is rotatably inserted into the hinge seat. The hinge seat and the cover are connected by screws, and the hinge shaft and the base are connected by screws. The mating structure between the hinge seat and the hinge shaft prevents loosening and ensures precise engagement after long-term use.

[0015] Compared with the prior art, the advantages of this utility model are as follows: This utility model provides a switching device in which the handle and the ejector component work together to push the seat body, separating the suction component, making opening and closing convenient; the ejector component is automatically reset by the reset spring design, improving operating efficiency; the cover and seat body can be designed as integrating sphere hemispheres, which does not affect the internal optical characteristics of the integrating sphere, and is also suitable for sealed boxes, testing equipment and other scenarios. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the switch device in the closed state of an embodiment.

[0017] Figure 2 This is a schematic diagram of the switch device in the open state of an embodiment.

[0018] Figure 3 This is a cross-sectional schematic diagram of the latching surface of the lid in the open state of the embodiment.

[0019] Figure 4 This is a schematic diagram of the ejector assembly in the closed state of an embodiment.

[0020] The markings in the diagram are as follows: 1-cover, 2-base, 3-handle, 4-closing assembly, 41-first closing element, 42-second closing element, 5-ejection assembly, 51-pressing part, 52-slide rod, 53-limiting flange, 54-reset spring, 55-spring groove, 6-accommodating cavity. Detailed Implementation

[0021] The following detailed description of specific embodiments of the switching device of this utility model, with reference to Figures 1-4, further illustrates the implementation of the technical solution by taking a switching device adapted to an integrating sphere with an inner diameter of 300mm as an example. This embodiment provides a switching device, including a cover 1, a base 2, a handle 3, a suction assembly 4, and an ejection assembly 5. The base 2 is the left hemisphere of an integrating sphere, and the cover 1 is the right hemisphere of an integrating sphere. Both are made of carbon steel, and when they are fastened together, they form a complete integrating sphere structure. The inner diameter of the integrating sphere is 300 mm, and the inner wall is coated with a polytetrafluoroethylene diffuse reflection coating. The width of the fastening surface is 15 mm, and a 2 mm thick nitrile rubber sealing ring (unmarked) is attached to the fastening surface and embedded in the annular groove of the cover's fastening surface to ensure the internal sealing of the integrating sphere after the cover is closed. The cover 1 and the base 2 are connected by a hinge, allowing the cover 1 to rotate around the hinge. The hinge includes a hinge seat and a hinge shaft. The hinge seat is connected to the cover by screws, and the hinge shaft is connected to the base by screws. The hinge shaft is rotatably inserted into the hinge seat, allowing the cover to rotate around the hinge shaft. The suction assembly 4 includes a first suction member 41 and a second suction member 42. The first suction member 41 is a magnet and is fixed to the fastening surface of the base 2 by screws. The second suction member 42 is an iron sheet and is fixed to the fastening surface of the cover 1 by screws. In the closed state, the first suction member 41 and the second suction member 42 attract each other to lock the cover 1 to the base 2. Figure 1The handle 3 is made of 304 stainless steel and has a U-shaped structure. Both ends are fixed to the outer edge of the right side of the cover body with screws. It is spaced apart from the pressing part 51 of the ejector assembly 5 along the cover body 1, facilitating simultaneous one-handed operation of both the handle and the pressing part. The inner side of the mating surface of the seat body 2 has a recessed receiving cavity 6, i.e., a cylindrical groove, adapted to the ejector assembly 5. An installation hole is provided on the cover body 1 opposite to the receiving cavity 6. The ejector assembly 5 passes through the installation hole and is movably mounted along the axial direction of the installation hole. The ejector assembly 5 includes a pressing part 51 and a sliding rod 52. The pressing part 51 and the sliding rod 52 are integrally formed and made of stainless steel. The pressing part 51 is located on the outer side of the cover body and has a circular boss structure. The sliding rod 52 passes through the installation hole and has a limiting flange 53 at one end. The outer diameter of the limiting flange 53 is larger than the inner diameter of the installation hole. Figure 2 and Figure 3 As shown, when opening the cover, pressing the pressing part 51 causes the sliding rod 52 to move towards the seat 2 until the end of the sliding rod away from the pressing part pushes against the inner wall of the receiving cavity 6. At the same time, a pulling force is applied to the handle, causing the second suction member to separate from the first suction member, thus opening the cover. The return spring 54 is a 304 stainless steel compression spring. The spring groove 55 is a circular groove opened around the mounting hole on the cover 1, with a diameter larger than the diameter of the mounting hole. The depth of the spring groove 55 is less than the natural length of the return spring 54. The return spring 54 is located in the spring groove 55 and sleeved on the sliding rod. One end of the return spring 54 is welded to the pressing part, and its extension and contraction direction is consistent with the pressing direction of the pressing part. Figure 4 As shown, in the closed state, the return spring 54 is in a naturally extended state, and the end of the return spring 54 away from the pressing part 51 maintains a preset distance from the bottom of the spring groove 55. When opening the cover, pressing the pressing part 51 causes the return spring 54 to move towards the seat 2 and be compressed until the end of the return spring 54 away from the pressing part 51 is in close contact with the bottom of the spring groove 55; after the pressing force is released, the return spring 54 releases its elastic potential energy and extends, causing the ejector assembly 5 to return to its initial position in the closed state along the mounting hole axially.

[0022] The specific embodiments of this utility model have been described above with reference to the accompanying drawings. However, those skilled in the art should understand that the above embodiments are for illustrative purposes only and are not intended to limit the scope of this utility model. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of this utility model. The scope of protection of this utility model is defined by the appended claims.

Claims

1. A switching device, characterized in that, The device includes a cover (1), a seat (2), a suction assembly (4), and an ejection assembly (5). The cover (1) and the seat (2) are rotatably connected. The suction assembly (4) includes a first suction member (41) and a second suction member (42). The first suction member (41) is located on the fastening surface of the seat (2), and the second suction member (42) is located on the fastening surface of the cover (1). In the closed state, the positions of the first suction member (41) and the second suction member (42) correspond to each other. In the closed state, the first suction member (41) and the second suction member (42) attract each other to lock the cover (1) to the seat (2). When the cover is opened, an external force is applied to the ejection assembly (5) to drive its movement, so that the second suction member (42) separates from the first suction member (41).

2. The switching device according to claim 1, characterized in that, It also includes a handle (3), which is fixedly connected to the cover (1) and located on the side of the cover (1) away from the rotating connection end with the seat (2); when the cover is opened, by applying a pulling force to the handle (3) and the push-out component (5) pushing the seat (2), the two work together to drive the second suction member (42) to separate from the first suction member (41).

3. A switching device according to claim 1 or 2, characterized in that, The cover (1) and the base (2) are two hemispheres of the integrating sphere, which are fastened together to form a complete integrating sphere structure.

4. A switching device according to claim 1 or 2, characterized in that, The attraction component (4) is a magnetic attraction component. The first attraction component (41) and the second attraction component (42) are both magnets, and their opposite surfaces have opposite polarities to achieve attraction; or, of the first attraction component (41) and the second attraction component (42), one is a magnet and the other is a metal part that can be magnetically attracted.

5. A switching device according to claim 1 or 2, characterized in that, The inner side of the fastening surface of the seat (2) is recessed with a receiving cavity (6) that is adapted to the ejection assembly (5); the cover (1) is provided with a mounting hole at the position opposite to the receiving cavity (6), the ejection assembly (5) is inserted through the mounting hole, and the ejection assembly (5) is movably arranged along the axial direction of the mounting hole; the ejection assembly (5) includes a pressing part (51) and a sliding rod (52), the pressing part (51) is located on the outside of the cover, the sliding rod (52) passes through the mounting hole, one end of which is provided with a limiting flange (53), and the other end is fixedly connected to the pressing part (51), or the sliding rod (52) and the pressing part (51) are integrally formed; when opening the cover, pressing the pressing part (51) causes the sliding rod (52) to move towards the seat (2) until the end of the sliding rod away from the pressing part pushes against the inner wall of the receiving cavity (6).

6. A switching device according to claim 5, characterized in that, It also includes a return spring (54) and a spring groove (55). The spring groove (55) is located around the mounting hole, and its diameter is larger than the diameter of the mounting hole. The depth of the spring groove (55) is less than the natural length of the return spring (54). The return spring (54) is located inside the spring groove (55) and is sleeved on the slide rod. One end of the return spring (54) is fixedly connected to the pressing part, and its extension and retraction direction is consistent with the pressing direction of the pressing part. In the closed state, the return spring (54) is in a naturally extended state. (54) The end away from the pressing part (51) maintains a preset distance or slight contact with the bottom of the spring groove (55); when opening the cover, pressing the pressing part (51) causes the return spring (54) to move towards the seat (2) and be compressed until the end of the return spring (54) away from the pressing part (51) is in close contact with the bottom of the spring groove (55); after the pressing force is released, the return spring (54) releases its elastic potential energy and extends, causing the ejector assembly (5) to return to the initial position in the closed state along the mounting hole axial direction.

7. A switching device according to claim 1 or 2, characterized in that, The cover (1) and the seat (2) are connected by a hinge, and the cover (1) can rotate around the hinge.

8. A switching device according to claim 5, characterized in that, The pressing part (51) has a circular boss structure.

9. A switching device according to claim 5, characterized in that, The outer diameter of the limiting flange (53) is larger than the inner diameter of the mounting hole.

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