Microswitch device and medical equipment

By designing a micro switch device including a fixing frame, adjustment assembly and motor assembly, the relative position of the micro switch and the motor assembly is adjusted by using the adjustment shaft, the problem of inflexible assembly of the micro switch is solved, and the sensitivity of micro switch signal transmission and the need for normal operation of the motor are realized.

CN222672835UActive Publication Date: 2025-03-25SHENZHEN COMEN MEDICAL INSTR
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Patent Information

Application Number
CN202420647296.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-03-25
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

In the prior art, the assembly of micro switches is inflexible, which is prone to inaccurate hole position and bending angle due to the manufacturing process tolerance of sheet metal parts, which affects the assembly position of micro switches, and may lead to insensitive switching signals.

Method used

A micro switch device is designed to adjust the relative position between the micro switch and the motor assembly through the combination of the fixing frame, adjustment assembly and motor assembly by using the adjustment shaft to ensure flexible assembly and signal transmission of the micro switch.

Benefits of technology

Through the design of the adjustment components and adjustment shaft, the assembly position errors caused by the size deviation of the motor components can be flexibly adapted to the motor components, ensuring the sensitivity of the micro switch to transmit the switching signal, and meeting the needs of the normal operation of the motor.

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Abstract

The utility model provides a microswitch device and medical equipment, wherein the microswitch device comprises: a mount, a microswitch provided with a contact, an adjusting assembly and a motor assembly, the adjusting assembly and the motor assembly are both fixed on the mount, the contact is used for contacting with the motor assembly to transmit a switching signal, and the motor assembly is fixed on the mount. The adjusting assembly is connected with the microswitch through an adjusting shaft, and the adjusting shaft is used for adjusting the relative position between the microswitch and the motor assembly. According to the microswitch device and the medical equipment, the microswitch and the fixing frame are connected through the adjusting assembly and the adjusting shaft of the adjusting assembly, the installation position of the microswitch can be flexibly adjusted according to the actual installation position of the motor assembly, it is ensured that the microswitch is in good contact with the motor assembly, and the sensitivity of switch signal transmission is ensured.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a micro switch device and medical equipment. Background Art

[0002] It is a common design of the power assembly of mechanical equipment (such as incubators) to work with a micro switch in conjunction with a motor assembly. In related technologies, micro switches are mostly fixed to the tail of the motor push rod through sheet metal parts; however, the manufacturing process tolerance of sheet metal parts is large and there is a bending process, so the hole position, bending angle and other dimensions of the sheet metal parts directly affect the assembly position of the micro switch, which poses a great risk; if the size error of the installation hole position is large, the transmission of the switch signal may be insensitive, which is difficult to meet user needs. Utility Model Content

[0003] The technical purpose of the utility model is to provide a micro switch device and a medical device, aiming to solve the problem of inflexible assembly of the micro switch in the related art.

[0004] In order to solve the above technical problems, the utility model is implemented as follows: on the one hand, a micro switch device is provided, including: a fixing frame, a micro switch provided with contacts, an adjustment component and a motor component, the adjustment component and the motor component are both fixed on the fixing frame, the contacts are used to contact with the motor component to transmit a switch signal, the adjustment component and the micro switch are connected by an adjustment shaft, and the adjustment shaft is used to adjust the relative position between the micro switch and the motor component.

[0005] Furthermore, the adjustment component includes a base body fixed on the fixing frame, the base body has a first mounting hole; a fixing block is connected to one side of the micro switch, a second mounting hole is opened at the bottom of the fixing block, and the adjustment shaft is screwed and connected between the first mounting hole and the second mounting hole.

[0006] Furthermore, an open retaining ring is also provided on the outer peripheral side of the adjusting shaft, and the open retaining ring is located between the micro switch and the seat body to limit the freedom of movement of the adjusting shaft.

[0007] Furthermore, the seat body includes a first assembly portion formed with a first mounting hole, and a second assembly portion vertically connected to the first assembly portion, and the second assembly portion is fixed in cooperation with the fixing block.

[0008] Furthermore, a guide rail is provided on a side of the fixed block away from the micro switch, and a guide groove matched with the guide rail is provided on the second assembly portion, and the guide rail and the guide groove are fixed in cooperation.

[0009] Furthermore, the adjustment component also includes a connecting plate, which is respectively connected and fixed to the fixing frame and the second assembly part.

[0010] Furthermore, an assembly hole is provided on the connecting plate, and a waist-shaped hole corresponding to the assembly hole is provided on the fixing frame, and the assembly hole and the waist-shaped hole are connected by bolts.

[0011] Furthermore, the motor assembly includes a motor fixed on a fixing frame, the motor has a motor push rod, and the motor push rod is in contact connection with the contact point.

[0012] Furthermore, the fixing frame includes a fixing seat, a fixing plate and a supporting column, the supporting column is connected between the fixing seat and the fixing plate, the motor is fixedly assembled on the fixing seat, and the fixing plate is fixedly connected to the adjusting assembly.

[0013] Another aspect provides a medical device, comprising a bed support, a micro switch device as described in the first aspect, and a motor assembly for driving the bed support to move.

[0014] Compared with the prior art, the micro switch device and medical equipment in the utility model have the following beneficial effects: the fixing frame and the micro switch are connected by an adjusting component, and the relative position of the adjusting component and the micro switch can be adjusted by an adjusting shaft, that is, the adjusting shaft can be used to adjust the assembly position of the micro switch, and then the relative position between the motor component and the micro switch can be adjusted, which can flexibly adapt to the assembly position error of the motor component caused by factors such as dimensional deviation, thereby ensuring the sensitivity of the micro switch in transmitting the switch signal and meeting the requirements of the normal operation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the micro switch device in the embodiment of the utility model;

[0016] Figure 2 It is a partial structural schematic diagram of the micro switch device in the embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of the seat body in the embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the overall structure of the fixed block in the embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of the overall structure of the fixing frame in the embodiment of the utility model.

[0020] In the accompanying drawings, the various reference numerals represent: 1, fixing frame; 11, fixing plate; 111, waist-shaped hole; 12, supporting column; 13, fixing seat; 2, micro switch; 3, adjusting component; 31, seat body; 311, first assembly part; 312, second assembly part; 3121, guide groove; 32, adjusting shaft; 33, open retaining ring; 34, fixing block; 341, guide rail; 35, connecting plate; 4, motor; 5, motor push rod. DETAILED DESCRIPTION

[0021] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, 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 the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] Example:

[0025] like Figure 1-5 As shown, in this embodiment, the micro switch device includes: a fixing frame 1, a micro switch 2 provided with contacts, an adjustment component 3 and a motor component, the adjustment component 3 and the motor component are both fixed on the fixing frame 1, the contacts are used to contact the motor component to transmit a switch signal, the adjustment component 3 and the micro switch 2 are connected via an adjustment shaft 32, and the adjustment shaft 32 is used to adjust the relative position between the micro switch 2 and the motor component.

[0026] Specifically, the fixing frame 1 and the micro switch 2 are connected via the adjusting component 3, and the relative position of the adjusting component 3 and the micro switch 2 can be adjusted via the adjusting shaft 32, that is, the adjusting shaft 32 can be used to adjust the assembly position of the micro switch 2, and then the relative position between the motor assembly and the micro switch 2 can be adjusted, which can flexibly adapt to the assembly position error of the motor assembly caused by factors such as dimensional deviation, ensure the sensitivity of the micro switch 2 in transmitting the switch signal, meet the requirements of the normal operation of the motor 4, and eliminate the risk influence caused by the tolerance of the device manufacturing process.

[0027] like Figure 2-4 As shown, in this embodiment, the adjustment component 3 includes a seat body 31 fixed on the fixing frame 1, and the seat body 31 is provided with a first mounting hole; a fixing block 34 is connected to one side of the micro switch 2, and a second mounting hole is provided at the bottom of the fixing block 34, and the adjustment shaft 32 is screwed and connected between the first mounting hole and the second mounting hole. The fixing block 34 and the micro switch 2 can be connected and fixed by screws, and the contact is set on one side of the micro switch 2, and there is a gap between the contact and the fixing block 34, that is, the contact and the fixing block 34 will not affect each other. In this embodiment, the second mounting hole can be a threaded hole, and the adjustment shaft 32 can pass through the first mounting hole from the bottom of the seat body 31 upward and then be screwed and connected with the second mounting hole, so that the axial height of the micro switch 2 can be adjusted by controlling the screwing distance between the adjustment shaft 32 and the second mounting hole. The structure is simple and ingenious, and the assembly operation is simple. Furthermore, in this embodiment, an open retaining ring 33 is further provided on the outer circumference of the adjusting shaft 32, and the open retaining ring 33 is located between the micro switch 2 and the seat body 31, so as to limit the freedom of movement of the adjusting shaft 32. That is, the open retaining ring 33 can prevent the adjusting shaft 32 from falling off and avoid the axial movement of the adjusting shaft 32, thereby ensuring the stability of the device assembly.

[0028] In this embodiment, the seat body 31 includes a first assembly portion 311 formed with a first mounting hole, a second assembly portion 312 vertically connected to the first assembly portion 311, and the second assembly portion 312 is fixed with the fixing block 34. Specifically, the first assembly portion 311 and the second assembly portion 312 can be an integrally formed structure, the second assembly portion 312 and the fixing block 34 can be connected in a snap-fit ​​manner, and the relative position of the second assembly portion 312 and the fixing block 34 can be flexibly adjusted with the first assembly portion 311 and the adjustment shaft 32; in this embodiment, the first assembly portion 311 is connected to the fixing block 34 from the bottom through the adjustment shaft 32, and the second assembly portion 312 is connected to the fixing block 34 from the side, which can ensure the installation stability of the micro switch 2 and the fixing block 34.

[0029] Furthermore, if Figure 1-4As shown, in this embodiment, a guide rail 341 is provided on the side of the fixed block 34 facing away from the micro switch 2, and a guide groove 3121 adapted to the guide rail 341 is provided on the second assembly portion 312, and the guide rail 341 is fixed in cooperation with the guide groove 3121. The direction of the guide rail 341 is parallel to the height direction (axial direction), and the mutual cooperation between the guide rail 341 and the guide groove 3121 can not only form a horizontal restriction on the fixed block 34, but also ensure that (before the adjustment shaft 32 is adjusted) the fixing hole and the second assembly portion 312 can slide relative to each other in the height direction, that is, while ensuring the assembly stability of the micro switch 2, it ensures that the position of the micro switch 2 can be flexibly adjusted in all directions.

[0030] In the present embodiment, the adjustment component 3 also includes a connecting plate 35, and the connecting plate 35 is connected and fixed to the fixing frame 1 and the second assembly part 312 respectively. The connecting plate 35 can be an L-shaped sheet metal part to ensure the assembly stability between the second assembly part 312 and the fixing frame 1. Further, in some implementations of the present embodiment, an assembly hole is provided on the connecting plate 35, and a waist-shaped hole 111 corresponding to the assembly hole is provided on the fixing frame 1, and the assembly hole and the waist-shaped hole 111 can be connected by bolts. By adjusting the relative position of the waist-shaped hole 111 and the bolt, the radial compression distance between the micro switch 2 and the motor assembly can be adjusted. One or more waist-shaped holes 111 can be provided, preferably two, and the position and number of the assembly holes on the connecting plate 35 correspond to the waist-shaped holes 111. The present embodiment is configured in such a way that the assembly position of the micro switch 2 in the horizontal direction can be adjusted by the waist-shaped hole 111 cooperating with the bolt, and the assembly position of the micro switch 2 in the height direction can be adjusted by the adjustment shaft 32 cooperating with the fixing block 34. The assembly flexibility is high, thereby improving the sensitivity of the micro switch 2 in transmitting the switch signal and eliminating the risk influence caused by the dimensional tolerance of the device manufacturing process.

[0031] In this embodiment, if Figure 1 As shown, the motor assembly includes a motor 4 fixed on a fixing frame 1, and the motor 4 has a motor push rod 5, which is in contact with the contact point. The motor 4 can be a tilting motor, and the tilting motor can be used as a power unit to drive the bed support of the device to move, that is, the motor push rod 5 can drive the bed support to different postures, so as to cooperate with the device to realize related functions. Figure 1 and 5As shown, in this embodiment, the fixing frame 1 includes a fixing plate 11, a support column 12 and a fixing seat 13, the support column 12 is connected between the fixing seat 13 and the fixing plate 11, the motor 4 is fixedly assembled on the fixing seat 13, and the fixing plate 11 is fixedly connected to the adjustment component 3. Specifically, the tilt motor 4 can be fixedly connected to the fixing seat 13 by studs and nuts. The fixing plate 11 can also be a sheet metal part, and a waist-shaped hole 111 is provided on the fixing plate 11 for fixed connection with the adjustment component 3. The support column 12 can be a hexagonal stud, and a plurality of support columns 12 can be provided, preferably two, and each support column 12 can be connected between the fixing seat 13 and the fixing plate 11 by threaded connection, thereby ensuring the support stability of the fixing frame 1.

[0032] In this embodiment, the medical device may be an incubator. The medical device includes a bed support and a micro switch device, and the motor assembly can be used to drive the bed support to move. Specifically, the micro switch 2 can be used to sensitively control the start and stop of the motor assembly; the tilt motor 4 in the motor assembly can provide power for the motor push rod 5, and the movement of the motor push rod 5 can drive the bed support to different postures to meet the user's usage needs.

[0033] 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 micro switch device, characterized in that: It includes a fixing frame, a micro switch with contacts, an adjustment component and a motor component. The adjustment component and the motor component are both fixed on the fixing frame. The contacts are used to contact the motor component to transmit a switch signal. The adjustment component and the micro switch are connected via an adjustment shaft. The adjustment shaft is used to adjust the relative position between the micro switch and the motor component.

2. The micro switch device according to claim 1, characterized in that: The adjustment assembly includes a seat body fixed on the fixing frame, the seat body is provided with a first mounting hole; a fixing block is connected to one side of the micro switch, a second mounting hole is provided at the bottom of the fixing block, and the adjustment shaft is screwed and connected between the first mounting hole and the second mounting hole.

3. The micro switch device according to claim 2, characterized in that: An open retaining ring is also provided on the outer peripheral side of the adjusting shaft, and the open retaining ring is located between the micro switch and the seat body to limit the freedom of movement of the adjusting shaft.

4. The micro switch device according to claim 2, characterized in that: The seat body includes a first assembly portion formed with the first mounting hole, and a second assembly portion vertically connected to the first assembly portion, and the second assembly portion is fixed in cooperation with the fixing block.

5. The micro switch device according to claim 4, characterized in that: A guide rail is arranged on one side of the fixed block away from the micro switch, and a guide groove matched with the guide rail is arranged on the second assembly portion, and the guide rail is fixed in cooperation with the guide groove.

6. The micro switch device according to claim 4, characterized in that: The adjustment assembly also includes a connecting plate, and the connecting plate is respectively connected and fixed to the fixing frame and the second assembly portion.

7. The micro switch device according to claim 6, characterized in that: The connecting plate is provided with an assembly hole, the fixing frame is provided with a waist-shaped hole corresponding to the assembly hole, and the assembly hole and the waist-shaped hole are connected by bolts.

8. The micro switch device according to claim 1, characterized in that: The motor assembly comprises a motor fixed on the fixing frame, wherein the motor has a motor push rod, and the motor push rod is in contact with the contact point.

9. The micro switch device according to claim 8, characterized in that: The fixing frame comprises a fixing seat, a fixing plate and a supporting column, wherein the supporting column is connected between the fixing seat and the fixing plate, the motor is fixedly assembled on the fixing seat, and the fixing plate is fixedly connected to the adjusting assembly.

10. A medical device, characterized in that: It comprises a bed support and a micro switch device as described in any one of claims 1 to 9, wherein the motor assembly is used to drive the bed support to move.