Electromagnetic gas valve assembly, pump valve kit and intelligent wearable equipment

By designing a detachable inner and outer shell structure, the electromagnetic valve assembly integrates exhaust and venting functions, solving the problem of large size of blood pressure testing devices and achieving product miniaturization and portability.

CN223464033UActive Publication Date: 2025-10-24FUTURE MINGYI TECHNOLOGY (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202422544113.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-10-24
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

Existing blood pressure testing devices require two separate structures for venting and exhausting, resulting in a large device size and hindering product miniaturization.

Method used

Design an electromagnetic valve assembly with an inner housing and an outer housing that can be detachably connected. When the inner housing and the outer housing are separated, air is released through an exhaust port, and when they are tightly connected, air is released through a vent port, thus integrating exhaust and venting functions.

Benefits of technology

This technology enables the miniaturization of blood pressure testing devices, simplifies their structure, and improves their portability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model relates to the technical field of medical instruments, and discloses an electromagnetic air valve assembly which comprises an outer shell and an inner shell, the outer shell is provided with an exhaust hole, the inner shell is provided with an air release hole, and the area of the exhaust hole is larger than that of the air release hole; the inner shell is provided with a first space, and a second space is formed between the inner shell and the outer shell; the outer shell is provided with a gas inlet, and gas of the gas inlet flows into the first space and the second space; when the inner shell is separated from the outer shell, the exhaust hole is communicated with the second space and the outer space of the outer shell, gas in the second space can flow to the outer space from the exhaust hole, when the inner shell is tightly connected with the outer shell, the inner shell is used for blocking the second space and the outer space, and the exhaust hole is aligned with the exhaust hole and used for communicating the first space and the outer space; the first space gas can flow to the external space from the gas release hole. By means of the mode, the electromagnetic gas valve assembly integrates the gas exhausting function and the gas releasing function, and miniaturization of products is facilitated.
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Description

Technical Field

[0001] The present application relates to the field of medical device technology, and in particular to an electromagnetic air valve assembly, a pump valve kit and an intelligent wearable device. Background Art

[0002] Current blood pressure testing devices generally require an air pump, an exhaust solenoid valve, and a constant-speed air release valve to achieve the purposes of inflation, exhaust, and deflation.

[0003] In actual operation, during the inflation process, the air pump supplies air to the cuff of the electronic blood pressure monitor to increase the pressure. When the inflation reaches a certain pressure value, the inflation is stopped and the blood pressure measurement period begins. At this time, the uniform air release valve slowly discharges the air in the measuring cuff at a uniform speed. At the same time, the sensor detects the human pulse signal at this time. Finally, the solenoid valve is energized to open and exhaust and pressure are released.

[0004] However, the above-mentioned blood pressure testing device needs to be provided with two structures to realize the deflation and exhaust functions respectively, and its volume is large, which is not conducive to the miniaturization of the product.

[0005] Therefore, how to reduce the volume of the blood pressure testing device has become a technical problem that needs to be solved urgently. Utility Model Content

[0006] In view of the above problems, the embodiments of the present application provide an electromagnetic valve assembly, a pump valve kit and a smart wearable device for integrating the deflation function and the exhaust function, which is conducive to product miniaturization.

[0007] According to one aspect of an embodiment of the present application, an electromagnetic valve assembly is provided, which includes: an outer shell and an inner shell located inside the outer shell, the outer shell being provided with an exhaust hole, the inner shell being provided with an air leakage hole, and the exhaust hole area is larger than the air leakage hole area; the inner shell having a first space, and a second space being formed between the inner shell and the outer shell; the outer shell being provided with an air inlet, and the gas from the air inlet flows into the first space and the second space; the inner shell being detachably connected to the outer shell, when the inner shell is separated from the outer shell, the exhaust hole connects the second space and the external space of the outer shell, and the gas in the second space can flow from the exhaust hole to the external space, and when the inner shell is tightly connected to the outer shell, the inner shell is used to block the second space and the external space, and the air leakage hole is aligned with the exhaust hole, for connecting the first space and the external space, and the gas in the first space can flow from the air leakage hole to the external space.

[0008] Preferably, the electromagnetic air valve assembly further comprises a tower-shaped air nozzle; the tower-shaped air nozzle passes through the air inlet, partially extends into the interior of the outer shell and is fixed to the outer shell, and the other part is located outside the outer shell for receiving gas flowing in from the outside.

[0009] Preferably, the part of the tower-shaped gas nozzle outside the outer shell is in a pagoda shape, used for connecting with an external gas device, receiving the gas discharged by the external gas device; or, the part of the tower-shaped gas nozzle outside the outer shell is in a pagoda shape, used for connecting with a gas receiving pipe, receiving the gas of the gas receiving pipe.

[0010] Preferably, the electromagnetic gas valve assembly further comprises a spring arranged inside the outer shell; one end of the spring is connected to the inner shell, and the other end of the spring is sleeved on the tower-shaped gas nozzle; the spring is in a compressed state to form an elastic force on the inner shell, and the inner shell abuts against the outer shell under the elastic force; the spring is also used to drive the inner shell to displace and separate from the outer shell under force; the connection part of the inner shell and the spring is provided with an opening, and the gas part of the tower-shaped gas nozzle flows into the first space from the opening, and the other part flows into the second space from the gap of the spring.

[0011] Preferably, the electromagnetic gas valve assembly further comprises a magnetic coil, and the magnetic coil is used to apply an attractive force to the inner shell to make the spring bear force.

[0012] Preferably, the inner shell is provided with an opening, the inner shell is sleeved in the spring, and the opening is located in the spring and aligned with the tower-shaped gas nozzle.

[0013] Preferably, the inner shell and the outer shell are in a pipeline shape, the central axes of the outer shell, the inner shell, the spring and the tower-shaped gas nozzle are collinear, and the exhaust hole, the gas leakage hole and the opening are located on the central axis.

[0014] Preferably, a sealing element is arranged between the inner shell and the outer shell, and the sealing element is used to eliminate the gap between the inner shell and the outer shell when the inner shell abuts against the outer shell.

[0015] The sealing element is provided with a displacement avoiding hole, the area of the displacement avoiding hole is greater than the area of the gas leakage hole and less than the area of the exhaust hole, the displacement avoiding hole is aligned with the gas leakage hole and the exhaust hole, and the displacement avoiding hole is used to communicate the first space and the external space.

[0016] According to another aspect of the embodiment of the present application, a pump valve assembly is provided, the pump valve assembly comprises a gas pump assembly and the electromagnetic gas valve assembly according to any one of the above embodiments, and the electromagnetic gas valve assembly is connected with the gas pump assembly and used to discharge the gas generated by the gas pump assembly.

[0017] According to another aspect of the embodiment of the present application, a smart wearable device is provided, and the smart wearable device comprises the pump valve assembly according to the above embodiment.

[0018] The electromagnetic valve assembly provided in the embodiment of the present application is achieved by arranging the inner shell inside the outer shell, and arranging the inner shell and the outer shell to be detachably connected, so that when the inner shell is separated from the outer shell, the gas in the second space can flow from the exhaust hole to the external space to realize the exhaust function, and when the inner shell is tightly connected to the outer shell, the inner shell is used to block the second space and the external space, and the gas in the first space can flow from the exhaust hole to the external space to realize the deflation function, so that the electromagnetic valve assembly integrates the exhaust and deflation functions, which is beneficial to reducing the volume of the blood pressure testing device and thus realizing the miniaturization of the product.

[0019] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present application. The same reference symbols are used throughout the drawings to represent the same components. In the drawings:

[0021] Figure 1a A three-dimensional diagram of an electromagnetic valve assembly provided in an embodiment of the present application is shown;

[0022] Figure 1b A three-dimensional view of the electromagnetic valve assembly provided by an embodiment of the present application is shown from another perspective;

[0023] Figure 2 A front view of a solenoid valve assembly provided in an embodiment of the present application is shown;

[0024] Figure 3a The embodiment of the present application provides Figure 2 Cross-sectional view in the AA direction;

[0025] Figure 3b The embodiment of the present application provides Figure 3a Gas flow direction when the inner shell and outer shell are connected;

[0026] Figure 3c The embodiment of the present application provides Figure 3a The gas flow direction when the inner shell and outer shell are separated.

[0027] The accompanying drawings in the specific implementation manner are as follows:

[0028] 1. Solenoid valve assembly;

[0029] 10, outer housing; 11, second space; 12, exhaust hole;

[0030] 20, inner housing; 21, first space; 22, air release hole; 23, opening;

[0031] 30, tower-shaped air nozzle; 40, spring; 50, magnetic coil; 60, sealing member; 61, avoiding hole. DETAILED DESCRIPTION

[0032] The embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion.

[0034] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0035] In this paper, the phrase "embodiment" means that the specific features, structures or properties described in conjunction with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment that is not mutually exclusive with other embodiments. The skilled person in the art explicitly and implicitly understands that the embodiments described herein can be combined with other embodiments.

[0036] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A, A and B, and B. In addition, the character " / " in this paper generally represents a "or" relationship between the front and rear associated objects.

[0037] In the description of the embodiments of the present application, the term "multiple" refers to two or more (including two), and similarly, "multiple groups" refers to two or more groups (including two groups), and "multiple pieces" refers to two or more pieces (including two pieces).

[0038] In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0039] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can also be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0040] Please refer to Fig. 1 Figure 3c , the electromagnetic air valve assembly 1 comprises: an outer shell 10 and an inner shell 20 located inside the outer shell 10, the outer shell 10 is provided with an exhaust hole 12, the inner shell 20 is provided with a gas leakage hole 22, and the area of the exhaust hole 12 is larger than that of the gas leakage hole 22; the inner shell 20 has a first space 21, and the inner shell 20 and the outer shell 10 form a second space 11; the outer shell 10 is provided with a gas inlet, and the gas of the gas inlet flows into the first space 21 and the second space 11; the inner shell 20 and the outer shell 10 are detachably connected, when the inner shell 20 and the outer shell 10 are separated, the exhaust hole 12 communicates the second space 11 and the outer space of the outer shell 10, and the gas of the second space 11 can flow from the exhaust hole 12 to the outer space, when the inner shell 20 and the outer shell 10 are tightly connected, the inner shell 20 is used to block the second space 11 and the outer space, and the gas leakage hole 22 is aligned with the exhaust hole 12, which is used to communicate the first space 21 and the outer space, and the gas of the first space 21 can flow from the gas leakage hole 22 to the outer space.

[0041] Preferably, the outer shell 10 and the inner shell 20 are both cylindrical, the exhaust hole 12 and the gas leakage hole 22 are respectively arranged at the center of the bottom surface of the outer shell 10 and the inner shell 20, and the central axes of the outer shell 10 and the inner shell 20 are collinear, so as to ensure the stability of the gas pressure in the electromagnetic air valve assembly 1, thereby facilitating the uniform speed of the electromagnetic air valve assembly 1.

[0042] In an alternative way, the gas directly flows into the first space 21 and the second space 11 through the gas inlet on the outer shell 10.

[0043] In another preferred mode, the electromagnetic air valve assembly 1 further comprises a tower-shaped air nozzle 30, which penetrates the air inlet, partially extends into the outer shell 10, is fixed to the outer shell 10, and is partially located outside the outer shell 10 for receiving the externally flowing air.

[0044] The externally flowing air can be the air slowly flowing out of the cuff during blood pressure measurement, or the air that needs to be completely discharged from the cuff after the test is completed.

[0045] Optionally, the part of the tower-shaped air nozzle 30 located outside the outer shell 10 is in a pagoda shape for connecting with the external air device to receive the air discharged from the external air device, so as to improve the stability of the connection between the tower-shaped air nozzle 30 and the outer shell 10.

[0046] Further, the pagoda-shaped part of the tower-shaped air nozzle 30 is sleeved with a sealing ring or a sealing tube for eliminating the gap between the tower-shaped air nozzle 30 and the external air device, so as to improve the air tightness of the electromagnetic air valve assembly 1 and facilitate the realization of uniform air discharge during blood pressure measurement. The part of the tower-shaped air nozzle 30 extending into the outer shell 10 can also be sleeved with a sealing ring or a sealing tube to improve the air tightness of the electromagnetic air valve assembly 1.

[0047] The external air device can be an air pump, a cuff of a blood pressure testing device, etc.

[0048] Optionally, the part of the tower-shaped air nozzle 30 located outside the outer shell 10 is in a pagoda shape for connecting with the air pipe to receive the air of the air pipe. Further, the air pipe can be connected with the external air device to improve the flexibility of the arrangement between the electromagnetic air valve assembly 1 and the external air device.

[0049] Further, a metal bracket can be sleeved on the outer shell 10 and the tower-shaped air nozzle 30 to improve the stability of the connection between the outer shell 10 and the tower-shaped air nozzle 30.

[0050] The air of the external air device or the air pipe connected to the tower-shaped air nozzle 30 of the electromagnetic air valve assembly 1, when the external device is assembled to the electromagnetic air valve assembly 1, only needs to be aligned with the air outlet of the external device and then installed, so the whole installation process is relatively convenient and simple.

[0051] Preferably, the electromagnetic air valve assembly 1 further comprises a spring 40 arranged inside the outer housing 10; one end of the spring 40 is connected to the inner housing 20, and the other end is sleeved on the tower-shaped air nozzle 30; the spring 40 is in a compressed state to form a spring force on the inner housing 20, and the inner housing 20 is in abutment with the outer housing 10 under the spring force; the spring 40 is also used to drive the inner housing 20 to displace and separate from the outer housing 10; the connection between the inner housing 20 and the spring 40 is provided with an opening 23, and the gas part of the tower-shaped air nozzle 30 flows into the first space 21 from the opening 23, and the other part flows into the second space 11 from the gap of the spring 40.

[0052] When the inner housing 20 is in abutment with the outer housing 10 under the spring force of the spring 40, the flow direction of the gas in the electromagnetic air valve assembly 1 can refer to Figure 3b , and the gas is discharged from the air vent hole 22 to achieve slow air exhaust in the cuff during the blood pressure test.

[0053] Preferably, the electromagnetic air valve assembly 1 is an electromagnetic valve, and the electromagnetic air valve assembly 1 further comprises a magnetic coil 50 for applying an attractive force to the inner housing 20 to stress the spring 40, so as to further compress the spring 40, thereby separating the inner housing 20 from the outer housing 10; after the outer housing 10 is separated from the inner housing 20, the flow direction of the gas in the electromagnetic air valve assembly 1 can refer to Figure 3c , and the area of the air vent hole 12 is greater than the area of the air vent hole 22, which is used to quickly exhaust the gas in the cuff after the blood pressure test is completed.

[0054] Preferably, the inner housing 20 is provided with an opening 23, the inner housing 20 is sleeved in the spring 40, and the opening 23 is located in the spring 40 and aligned with the tower-shaped air nozzle 30 to ensure that the gas is exhausted in time.

[0055] In order to further ensure that the gas is exhausted in time, the inner housing 20 and the outer housing 10 are in the form of a pipeline, the center axes of the outer housing 10, the inner housing 20, the spring 40 and the tower-shaped air nozzle 30 are collinear, and the air vent hole 12, the air vent hole 22 and the opening 23 are located on the center axis.

[0056] Preferably, a sealing member 60 is arranged between the inner housing 20 and the outer housing 10, and the sealing member 60 is used to eliminate the gap between the inner housing 20 and the outer housing 10 when the inner housing 20 is in abutment with the outer housing 10; the sealing member 60 is provided with a relief hole 61, the area of the relief hole 61 is greater than the area of the air vent hole 22 and less than the area of the air vent hole 12, the relief hole 61 is aligned with the air vent hole 22 and the air vent hole 12, and the relief hole 61 is used to communicate the first space 21 with the external space.

[0057] Preferably, the sealing member 60 is a sealing ring provided with a small opening.

[0058] The electromagnetic air valve assembly 1 provided by the embodiment of the present application has the inner shell 20 arranged inside the outer shell 10, and the inner shell 20 and the outer shell 10 are arranged in separable connection, so that when the inner shell 20 and the outer shell 10 are separated, the gas in the second space 11 can flow from the exhaust hole 12 to the external space to realize the exhaust function, and when the inner shell 20 and the outer shell 10 are tightly connected, the inner shell 20 is used to block the second space 11 and the external space, and the gas in the first space 21 can flow from the air release hole 22 to the external space to realize the air release function, so that the electromagnetic air valve assembly 1 integrates the exhaust and air release functions, is beneficial to the miniaturization of the product (blood pressure testing device, such as a pump valve kit, sphygmomanometer, smart wearable device, etc.), and the structure of the electromagnetic air valve assembly 1 is relatively simple.

[0059] According to another aspect of the embodiment of the present application, a pump valve kit is provided, which comprises an air pump assembly and the electromagnetic air valve assembly 1, the electromagnetic air valve assembly 1 being connected with the air pump assembly and used to exhaust the gas generated by the air pump assembly.

[0060] According to another aspect of the embodiment of the present application, a smart wearable device is provided, which comprises a pump valve kit.

[0061] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application. Especially, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way. The present application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. An electromagnetic valve assembly, characterized by, The electromagnetic air valve assembly comprises an outer shell and an inner shell located inside the outer shell, the outer shell is provided with an exhaust hole, the inner shell is provided with a vent hole, and the area of the exhaust hole is larger than that of the vent hole; The inner shell has a first space, and a second space is formed between the inner shell and the outer shell; The outer shell is provided with an air inlet, and the gas in the air inlet flows into the first space and the second space; The inner shell and the outer shell are connected separately, When the inner shell and the outer shell are separated, the exhaust hole communicates the second space and the outer space of the outer shell, and the gas in the second space can flow from the exhaust hole to the outer space, When the inner shell and the outer shell are tightly connected, the inner shell is used to block the second space and the outer space, and the vent hole is aligned with the exhaust hole, used to communicate the first space and the outer space, and the gas in the first space can flow from the vent hole to the outer space.

2. The electromagnetic valve assembly of claim 1, wherein, The electromagnetic air valve assembly further comprises a tower-shaped air nozzle; The tower-shaped air nozzle passes through the air inlet, partially extends into the inner shell, is fixed to the outer shell, and the other part is located outside the outer shell and is used to receive the external inflowing gas.

3. The electromagnetic valve assembly of claim 2, wherein, The part of the tower-shaped air nozzle outside the outer shell is in the shape of a pagoda, which is used to connect with the external gas device and receive the gas discharged by the external gas device; or The part of the tower-shaped air nozzle outside the outer shell is in the shape of a pagoda, which is used to connect with the gas receiving pipe and receive the gas of the gas receiving pipe.

4. The electromagnetic valve assembly of claim 2, wherein, The electromagnetic air valve assembly further comprises a spring located inside the outer shell; One end of the spring is connected to the inner shell, and the other end is sleeved on the tower-shaped air nozzle; The spring is in a compressed state to form a spring force on the inner shell, the inner shell abuts against the outer shell under the spring force, and the spring is also used to drive the inner shell to move and separate from the outer shell under stress; The connection between the inner shell and the spring is provided with an opening, and the gas part of the tower-shaped air nozzle flows into the first space from the opening, and the other part flows into the second space from the gap of the spring.

5. The electromagnetic valve assembly of claim 4, wherein, The electromagnetic air valve assembly further comprises a magnetic coil, which is used to apply an attractive force to the inner shell to make the spring stressed.

6. The electromagnetic valve assembly of claim 4, wherein, The inner shell is provided with an opening, the inner shell is sleeved in the spring, and the opening is located in the spring and aligned with the tower-shaped air nozzle.

7. The electromagnetic valve assembly of claim 6, wherein, The inner shell and the outer shell are in the shape of a pipeline, the central axes of the outer shell, the inner shell, the spring and the tower-shaped air nozzle are collinear, and the exhaust hole, the vent hole and the opening are located on the central axis.

8. The electromagnetic valve assembly of claim 4, wherein, A sealing element is arranged between the inner shell and the outer shell, which is used to eliminate the gap between the inner shell and the outer shell when the inner shell abuts against the outer shell; The sealing element is provided with a position avoiding hole, the area of the position avoiding hole is larger than that of the vent hole and smaller than that of the exhaust hole, the position avoiding hole is aligned with the vent hole and the exhaust hole, and is used to communicate the first space and the outer space.

9. A pump valve kit, characterized by The pump valve assembly comprises a gas pump assembly and the electromagnetic gas valve assembly as claimed in any one of claims 1-8, the electromagnetic gas valve assembly being connected with the gas pump assembly for discharging the gas generated by the gas pump assembly.

10. A smart wearable device, characterized by, The smart wearable device comprises the pump valve assembly as claimed in claim 9.