CN206116220U - Switching device and equipment applying same - Google Patents

Abstract

The utility model relates to a switch device and equipment using the switch device. The switch device includes an outer baffle, a rotary connector and a travel switch. One end of the outer baffle is fixed with an embedded column. The rotary connector It includes a rotary connection sleeve and a contact block. The embedded column and the rotary connection sleeve are mutually fitted and rotated synchronously. The contact block controls the opening or closing of the travel switch, and the contact block is controlled by the travel switch. The opening or closing of the switch device further controls the opening or closing of related functions of the expansion module. The switch device proposed by the utility model is used to independently control the opening or closing of the corresponding function of the expansion module, which reduces the total number of switches on the main equipment, thereby reducing the probability of misoperation. It can usually be installed on various medical equipment and has a strong practicality.

Description

A switch device and equipment using the switch device

technical field

The utility model relates to the technical field of medical monitoring equipment, in particular to a switch device and equipment using the switch device.

Background technique

With the development of science and technology and the continuous improvement of people's attention to health, medical monitoring equipment has become more common and important in people's daily life, and plays an irreplaceable role in people's health monitoring.

Existing medical monitoring equipment often has limited functions. If other functions need to be added, it is generally realized by adding an expansion module. control. In the case that the medical monitoring equipment is provided with a plurality of expansion modules, the number of switches corresponding to the expansion modules on the main equipment is also greatly increased. In this way, it is easy for the operator to cause adverse effects due to misoperation during the actual operation, which brings some inconvenience to the actual application.

Utility model content

Based on this, the purpose of this utility model is to provide a switch device that can effectively reduce the probability of misoperation and equipment using the switch device, so as to further improve the performance of the equipment and meet the needs of practical applications.

The utility model proposes a switch device, which is arranged in an expansion module. The expansion module corresponds to a variety of expansion functions and is connected to an electronic device through the switch device. The switch device includes an outer baffle, a rotary connector and a stroke In the switch, one end of the outer baffle is fixed with an embedding column, and the rotating connector includes a rotating connecting sleeve and a contact block. The embedded column and the rotating connecting sleeve are mutually fitted and rotate synchronously. Control the opening or closing of the travel switch;

When the contact block controls the travel switch to be turned on, the expansion module is connected to the electronic device through the switch device to run its corresponding expansion function;

When the contact block controls the travel switch to be closed, the expansion module disconnects from the electronic device and closes its corresponding expansion function.

The switch device, wherein the switch device further includes a casing, a connection through hole is provided on the casing, and the embedded column and the rotating connection sleeve are located on the same axis as the connection through hole.

The switch device, wherein, the travel switch is provided with a contact spring, and a switch contact is provided at the lower part of the contact spring;

If the contact block presses the contact spring, the switch contact controls the travel switch to open;

If the contact block is not in contact with the contact elastic piece, the switch contact controls the travel switch to be closed.

The switch device, wherein the switch device further includes a spring, and the spring is sleeved on the outer periphery of the rotating connection sleeve.

In the switch device, a miniature through hole is provided on the contact block, a first connecting post and a second connecting post are provided on the spring, and the first connecting post and the miniature through hole are fitted together .

In the switch device, a positioning block is further provided on the housing, the number of the positioning blocks is at least two, a positioning groove is provided on the positioning block, and the second connecting column and the The positioning grooves are engaged with each other for positioning.

In the switch device, a plurality of outer anti-rotation planes are uniformly arranged on the outer circumference of the embedded column, and a plurality of inner wall anti-rotation planes cooperating with the outer anti-rotation planes are arranged on the inner wall of the rotating connection sleeve. flat.

In the switch device, at least one end of the rotating connection sleeve is provided with a convex surface, and the convex surface is an arc convex surface.

In the switch device, at least one interface hole is provided on the outer side of the casing, and the interface hole is used for connecting an external circuit.

The utility model also provides a device, which uses the above switch device, wherein the device is a medical monitoring device.

The switch device proposed by the utility model is used to independently control the opening or closing of the corresponding function of the expansion module, which reduces the total number of switches on the main equipment, thereby reducing the probability of misoperation, and can usually be installed on various medical equipment. practicality.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a switch device proposed by the utility model;

Fig. 2 is a structural schematic diagram of an outer baffle in a switchgear proposed by the present invention;

Fig. 3 is a structural schematic diagram of a rotary connector in a switch device proposed by the present invention;

Fig. 4 is a structural schematic diagram of a travel switch in a switch device proposed by the present invention;

Fig. 5 is a structural schematic diagram of a spring in a switch device proposed by the present invention;

Fig. 6 is a structural schematic diagram of a positioning block in a switch device proposed by the present invention;

Fig. 7 is a schematic cross-sectional view of a switch device proposed by the present invention;

Fig. 8 is an enlarged view of the structure of the "V" part shown in Fig. 7;

Fig. 9 is a schematic diagram of the working principle of a switch device proposed by the present invention;

Fig. 10 is a schematic structural diagram of a switch device proposed by the utility model in a closed state;

Fig. 11 is a schematic structural diagram of a switch device proposed by the present invention in an open state;

Fig. 12 is a schematic structural diagram of equipment applying the switch device of the present invention.

shell 10 Swivel connection sleeve 121 outer fender 11 contact block 122 Rotary connector 12 contact shrapnel 131 Limit switch 13 switch contact 132 fixed plate 14 first connecting column 1021 screw 101 Second connecting column 1022 spring 102 positioning groove 1041 connection via 103 Outer anti-rotation plane 1101 positioning block 104 convex surface 1211 interface hole 105 microvia 1221 embedded column 110

detailed description

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Figures 1 to 8, Figure 1 is a schematic diagram of the overall structure of a switch device proposed by the utility model, Figure 2 is a schematic diagram of the structure of the outer baffle in a switch device proposed by the utility model, and Figure 3 is a schematic diagram of the utility model A structural schematic diagram of a rotary connector in a switch device proposed by the new model, Fig. 4 is a structural schematic diagram of a travel switch in a switch device proposed by the utility model, and Fig. 5 is a structure of a spring in a switch device proposed by the utility model Schematic diagram, Figure 6 is a schematic structural diagram of a positioning block in a switch device proposed by the present invention, Figure 7 is a schematic cross-sectional view of a switch device proposed by the present invention, and Figure 8 is a schematic diagram of the "V" part shown in Figure 7 In the enlarged view of the structure, the utility model provides a switch device, which is used to control various expansion modules, and the expansion modules generally correspond to different expansion functions. Wherein, the switch device includes an outer side baffle 11, a rotary connection 12 and a travel switch 13, one end of the outer side baffle 11 is fixedly provided with an embedded post 110, and the rotation connection 12 includes a rotary connection sleeve 121 and a contact Block 122, the embedded column 110 and the rotary connection sleeve 121 are mutually embedded and rotate synchronously, the contact block 122 is used to control the opening or closing of the travel switch 13, when the contact block 122 is pressed on the When the contact spring 131 on the travel switch 13 is turned on, the travel switch 13 is turned on, and when the contact block 122 is separated from the contact spring 131 on the travel switch 13, the travel switch 13 is turned off.

Wherein, the switch device further includes a casing 10 , the outer baffle plate 11 is arranged on the outside of the casing 10 , and the rotating connector 12 and the travel switch 13 are arranged inside the casing 10 . At the same time, a connection through hole 103 is provided on the housing 10. When installing, the embedding column 110 provided at one end of the outer baffle 11 passes through the connection through hole 103 and is embedded in the connection hole 103. The inside of the above-mentioned rotating connection sleeve 121. It should be noted here that since a plurality of outer anti-rotation planes 1101 are uniformly arranged on the outer periphery of the embedded column 110, a plurality of outer anti-rotation planes 1101 are arranged on the inner wall of the rotation connection sleeve 121 to interact with the outer anti-rotation planes 1101. Cooperating inner wall anti-rotation plane (not marked in the figure), so the problem of mutual sliding between the embedded column 110 and the rotating connection sleeve 121 will not occur, and synchronous rotation can be well realized, so that the travel switch The opening or closing of 13 realizes precise control. According to the above description, it can be understood that the embedded column 110, the rotating connection sleeve 121 and the connecting through hole 103 are located on the same axis, and the embedded column 110 and the rotating connecting sleeve 121 are connected by a screw. 101 is fixed on the casing 10.

According to the above description, the contact block 122 is used to control the opening or closing of the travel switch 13, wherein the travel switch 13 is arranged on the fixed plate 14, so as to prevent the travel switch 13 from sliding during operation and affect the normal operation. use. Specifically, the travel switch 13 is provided with a contact spring 131 , and a switch contact 132 is provided at the lower part of the contact spring 131 . In the actual operation process, when the contact block 122 exerts a certain pressure on the contact elastic piece 131, the contact elastic piece 131 moves downward to a certain extent and then presses and triggers the switch contact 132. At this time, the The switch contact 132 controls the opening of the travel switch 13, the switch device is in the open state, and the expansion module connected to the electronic device operates its corresponding function at this time; when the contact block 122 is not in contact with the contact elastic piece 131 When in contact, since there is no interaction between the contact block 122 and the contact elastic piece 131, the switch contact 132 is in the default unopened state at this time, that is, the travel switch 13 is in the closed state, and the switch The device is in a closed state, and the expansion module connected to the electronic equipment closes its corresponding function at this time.

It should also be pointed out here that the switch device further includes a spring 102 , the spring 102 is also disposed inside the housing 10 , and the spring 102 is sleeved on the outer periphery of the rotating connection sleeve 121 . Since the spring 102 is provided with a first connecting post 1021 and a second connecting post 1022, and a micro through hole 1221 is provided on the contact block 122, the first connecting post 1021 and the micro through hole 1221 are mutually connected. Chimeric. At the same time, a positioning block 104 is also provided inside the housing 10. In this embodiment, the number of the positioning blocks 104 is 2, and the two positioning blocks 104 are located on the same straight line. The positioning block 104 is provided with a positioning groove 1041 , at this time, the two positioning grooves 1041 are also located on the same straight line, and the second connecting column 1022 can engage with the positioning groove 1041 for positioning. Since the micro through hole 1221 can realize the fixing of the first connecting column 1021, the positioning groove 1041 provided on the positioning block 104 can realize the positioning of the second connecting column 1022, so that A good positioning effect can be achieved for the spring 102, preventing the spring 102 from sliding and affecting the normal use of the device.

Because in the actual application process, in the process of opening and closing the switch device, the rotating connection sleeve 121 will rotate correspondingly. In this embodiment, a convex surface 1211 is provided at one end of the rotating connection sleeve 121. Since the convex surface 1211 is a circular arc convex surface, the circular arc convex surface 1211 can reduce the The frictional resistance generated in the process prolongs the service life of the rotating connection sleeve 121 .

In addition, since the switch device is mainly used in medical monitoring equipment, the medical monitoring equipment generally needs to be connected with external lines to ensure the operation of the medical monitoring equipment. Therefore, in this embodiment, an interface hole 105 is provided on the outer side of the housing 10, and the interface hole 105 is used for connecting an external circuit, so as to ensure the operation of the medical monitoring device. Wherein, the medical monitoring equipment can be used for medical monitoring operations in internal medicine, surgery, ophthalmology, dentistry, obstetrics and gynecology. Please refer to Fig. 10 and Fig. 11, when the outer baffle 11 is turned to the closed state, the outer baffle 11 will close the interface hole 105; when the outer baffle 11 is turned to the In the open state, the interface hole 105 is exposed and connected with external lines to ensure the operation of the medical monitoring equipment.

During actual use, when a function corresponding to a certain expansion module needs to be started, the corresponding switch device needs to be turned on at this time. That is to say, the outer baffle 11 is moved to the end away from the interface hole 105, because the embedded column 110 is provided on one side of the outer baffle 11, and the embedded column 110 passes through the connection The through hole 103 is embedded in the rotating connecting sleeve 121 and rotates synchronously with the rotating connecting sleeve 121 . Please refer to FIG. 9 , when the outer baffle 11 is moved to the end away from the interface hole 105 , the contact block 122 on the rotary connector 12 moves to the side close to the contact elastic piece 131 When the contact block 122 and the contact elastic piece 131 are in contact with each other and there is a certain pressure, the contact elastic piece 131 moves downward to a certain position and then presses and triggers the switch contact 132. At this time The switch contact 132 controls the travel switch 13 to turn on, so as to turn on the corresponding expansion module and activate the corresponding expansion function. It should be noted here that since the spring 102 has been fitted and fixed on the rotary connection sleeve 121, when the rotary connection sleeve 121 rotates (this time refers to when the switch is turned on) , the spring 102 is in a compressed state, which is beneficial to the subsequent reset operation; when it is necessary to close the function corresponding to a certain expansion module, it is necessary to close the corresponding switch device at this time, that is, the outer baffle 11 Toggle towards the end close to the interface hole 105. At this time, the embedded column 110 drives the contact block 122 to move to the side away from the contact elastic piece 131 through the rotating connection sleeve 121. At this time, the The contact spring 131 and the switch contact 132 are separated from each other without contact, and the switch contact 132 controls the travel switch 13 to close, thereby closing the corresponding expansion module and further closing the corresponding expansion function. At the same time, the spring 102 at this time is in a natural state due to recovery of deformation. In this embodiment, when the switch device is in the closed state, the outer baffle plate 11 can well cover the interface hole 105, thereby preventing foreign matter from entering the interface hole 105 and preventing foreign matter from entering the interface hole 105. pollute.

The switch device proposed by the utility model is used to independently control the opening and closing of the expansion module, which reduces the total number of switches on the main equipment, thereby reducing the probability of misoperation. Generally, it can be installed and applied to medical equipment, and has strong practicability . In actual use, as shown in FIG. 12 , the switch device R of this embodiment is generally installed in medical equipment for expanding functional modules. For example, when a medical device does not have the function of blood pressure monitoring, a switch device with the function of monitoring blood pressure can be installed on the medical device to realize the real-time monitoring function of blood pressure under the premise of avoiding adding too many control buttons to the medical device .

The above-mentioned embodiment is the preferred implementation mode of the utility model, and its description is relatively specific and detailed, but it should not be interpreted as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. a kind of switching device, is arranged in expansion module, described to expand the various expanding functions of module correspondence and opened by described Close device to be connected with an electronic equipment, it is characterised in that the switching device includes outer side shield, rotary connector and stroke Switch, one end of the outer side shield are fixed with an embedded post, and the rotary connector includes being rotatably connected and sleeve and touches Block, the embedded post control the travel switch with the mutually chimeric simultaneously synchronous axial system of the sleeve that is rotatably connected, the contact block It is turned on and off；

When the contact block controls the travel switch to be opened, the expansion module connects the electronics by the switching device Equipment is running its corresponding expanding function；

When the contact block controls the travel switch closes, the expansion module disconnects the connection with the electronic equipment and closes Close its corresponding expanding function.

2. switching device according to claim 1, it is characterised in that the switching device also includes a shell, described Shell is provided with a connection through hole, and the embedded post and the sleeve that is rotatably connected are located at same axle with the connection through hole On line.

3. switching device according to claim 2, it is characterised in that the travel switch is provided with a contact flat spring, The bottom of the contact flat spring is provided with a switch contact；

If the contact block oppresses the contact flat spring, the switch contact controls the travel switch and opens；

If the contact block is not contacted with the contact flat spring, the switch contact controls the travel switch and closes.

4. switching device according to claim 3, it is characterised in that the switching device also includes a spring, the bullet Spring is socketed in the periphery of the sleeve that is rotatably connected.

5. switching device according to claim 4 a, it is characterised in that micro through-hole is provided with the contact block, it is described Spring is provided with the first connecting pole and the second connecting pole, and first connecting pole is mutually chimeric with the micro through-hole.

6. switching device according to claim 5, it is characterised in that be additionally provided with locating piece on the housing, it is described fixed The quantity at least two of position block, is provided with detent, second connecting pole and the detent on the locating piece Mutually clamping is positioned.

7. switching device according to claim 6, it is characterised in that be uniformly provided with the periphery of the embedded post multiple outer Side anti-rotation plane, is provided with multiple anti-with the outside anti-rotation plane cooperates inwall in the inwall of the sleeve that is rotatably connected Turn plane.

8. switching device according to claim 7, it is characterised in that be provided with least one end of the sleeve that is rotatably connected Crowning, the crowning are circular arc crowning.

9. switching device according to claim 8, it is characterised in that be provided with least one interface on the outside of the shell Hole, the interface holes are used to connect external circuit.

10. a kind of equipment, applies the switching device as described in claim 1 to 9 is arbitrary, it is characterised in that the equipment is doctor Treat custodial care facility.