PCB fixing structure for electronic sphygmomanometer

Abstract

The utility model relates to the technical field of electronic sphygmomanometers, in particular to a PCB (printed circuit board) fixing structure for an electronic sphygmomanometer, which comprises a bottom shell and a PCB, the bottom shell is provided with a placement cavity, one side of the placement cavity is provided with a mounting table, the mounting table is provided with two groups of assembly positioning elements and two groups of assembly buckling elements, and the assembly positioning elements and the assembly buckling elements are arranged on the mounting table. The two groups of assembly buckle elements are oppositely arranged, the assembly positioning element is used for positioning the PCB, and the two groups of assembly buckle elements are used for fixing the two ends of the PCB; according to the utility model, through the arrangement cavity arranged on the bottom shell, an accurate and stable assembly environment is provided for the PCB. By means of the design, the positioning accuracy of the PCB in the installation process is guaranteed, displacement or looseness caused by external factors is effectively avoided, and therefore stable transmission and processing of sphygmomanometer signals are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic sphygmomanometer technical field, especially a kind of PCB board fixing structure for electronic sphygmomanometer. BACKGROUND

[0002] Electronic sphygmomanometer is a kind of modern medical equipment, for non-invasively measuring human blood pressure and heart rate. It is based on advanced sensing technology and electronic information technology, can accurately, quickly provide the blood pressure reading of patient, become indispensable health monitoring tool in family and medical institution.

[0003] The working principle of electronic sphygmomanometer usually involves pressure sensor, microprocessor and display unit and other key components. When cuff is tightly wrapped on the upper arm of patient and inflated to a certain degree, pressure sensor will start monitoring the pressure change in cuff. With the slow release of gas in cuff, sensor can capture the moment when arterial blood flow is blocked after reflowing, namely so-called "Korotkoff sound" or "oscillatory wave". These signals are then processed by microprocessor and converted into specific blood pressure values (including systolic and diastolic pressure) and heart rate information.

[0004] Electronic sphygmomanometer needs to be provided with circuit board inside for control, and existing circuit board fixing is generally fixed by screw, and screw fixing assembly is more cumbersome. Therefore, new design needs to be made for existing sphygmomanometer circuit board mounting structure. INVENTION CONTENTS

[0005] To solve the above problems, the utility model provides an accurate and stable assembly environment for the PCB board by the setting of the accommodating cavity on the bottom shell. This design not only ensures the positioning accuracy of the PCB board during installation, but also effectively avoids displacement or loosening caused by external factors, thereby guaranteeing the stable transmission and processing of sphygmomanometer signals.

[0006] The technical scheme adopted by the utility model is: a kind of PCB board fixing structure for electronic sphygmomanometer, including bottom shell and PCB board, the bottom shell is provided with accommodating cavity, the side of the accommodating cavity is provided with installation table, the installation table is provided with assembly positioning element and assembly buckle element, the assembly buckle element is provided with two groups, two groups of assembly buckle element are oppositely arranged, the assembly positioning element is used for the positioning of PCB board, and two groups of assembly buckle elements are used for fixing the two ends of PCB board.

[0007] Further improvement to the above scheme is that the side of the bottom shell is provided with joint installation groove and rotary installation groove, the joint installation groove is used for connecting pipeline, and the rotary installation groove is used for installing cloth cover.

[0008] Further improvement of the above scheme is that the installation cavity is provided with a gas pump installation area, and the gas pump installation area is provided with a gas pump installation groove.

[0009] Further improvement of the above scheme is that the installation cavity is provided with a positioning buckle on one side of the gas pump installation area.

[0010] Further improvement of the above scheme is that the installation cavity is provided with a battery installation area on one side of the installation table.

[0011] Further improvement of the above scheme is that the installation cavity is provided with a connecting column at the edge, and the connecting column is provided with a connecting hole.

[0012] Further improvement of the above scheme is that the assembly positioning element is provided with a supporting rib on one side, and the supporting rib is used for PCB supporting.

[0013] Further improvement of the above scheme is that the assembly positioning element is provided with an assembly positioning column, and the PCB is provided with an assembly positioning hole, and the assembly positioning column is used for cooperating with the assembly positioning hole.

[0014] Further improvement of the above scheme is that the assembly buckle element is provided with a buckle rib, and the end surface of the buckle rib is flush with the end surface of the supporting rib, and the end surface of the buckle rib is used for supporting the PCB.

[0015] Further improvement of the above scheme is that the assembly buckle element is provided with a fixed buckle, and a buckle groove is formed between the end surface of the buckle rib and the fixed buckle, and the buckle groove is used for clamping and fixing the PCB.

[0016] The utility model has the advantages of:

[0017] Compared with the existing electronic sphygmomanometer PCB board fixing, the utility model discloses a fixing structure for the PCB board of an electronic sphygmomanometer, which comprises a bottom shell, a mounting cavity, a mounting table, a plurality of assembly positioning elements and a plurality of assembly buckle elements. The mounting cavity is arranged on the bottom shell and provides an accurate and stable assembly environment for the PCB board. This design not only ensures the positioning accuracy of the PCB board during installation, but also effectively avoids displacement or loosening caused by external factors, thereby ensuring the stable transmission and processing of sphygmomanometer signals. In addition, the assembly positioning elements on the mounting table further enhance the positioning effect of the PCB board. These elements are usually manufactured with precision technology, which can ensure that the PCB board can quickly and accurately find its predetermined position during installation, greatly shortening the assembly time and improving the production efficiency. Furthermore, the two sets of oppositely arranged assembly buckle elements constitute the core mechanism of the PCB board fixing. These buckle elements are specially designed to provide sufficient fixing force to ensure that the PCB board will not fall off due to vibration or external force during long-term use, and to maintain a certain elasticity to facilitate the installation and removal of the PCB board, thereby enhancing the convenience of maintenance. In addition, the design of the fixing buckle also fully considers electromagnetic compatibility and heat dissipation performance. Through reasonable layout and material selection, electromagnetic interference between the PCB board and other components is effectively reduced, while good heat dissipation effect is ensured, prolonging the service life of the electronic sphygmomanometer. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the fixing structure for the PCB board of an electronic sphygmomanometer according to the utility model;

[0019] Figure 2 is Figure 1 is a schematic diagram of the fixing structure for the PCB board of an electronic sphygmomanometer according to the utility model from another perspective;

[0020] Figure 3 is Figure 1 is an exploded schematic diagram of the fixing structure for the PCB board of an electronic sphygmomanometer according to the utility model.

[0021] The reference signs are as follows: bottom shell 1, mounting cavity 11, air pump mounting area 111, air pump mounting groove 112, positioning buckle 113, battery mounting area 114, connecting column 115, mounting table 12, joint mounting groove 13, rotary mounting groove 14, PCB board 2, assembly positioning hole 21, assembly positioning element 3, support rib 31, assembly positioning column 32, assembly buckle element 4, buckle rib 41. DETAILED DESCRIPTION

[0022] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized 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 utility model more thorough and comprehensive.

[0023] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0024] 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 invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0025] like Figures 1-3 As shown, in one embodiment of this utility model, a PCB board fixing structure for an electronic blood pressure monitor is disclosed, including a base shell 1 and a PCB board 2. The base shell 1 has a mounting cavity 11, and a mounting platform 12 is provided on one side of the mounting cavity 11. The mounting platform 12 is provided with assembly positioning elements 3 and assembly latching elements 4. Two sets of assembly latching elements 4 are provided, arranged opposite to each other. The assembly positioning elements 3 are used for positioning the PCB board 2, and the two sets of assembly latching elements 4 are used to fix both ends of the PCB board 2. This embodiment provides a precise and stable assembly environment for the PCB board 2 through the mounting cavity 11 on the base shell 1. This design not only ensures the positioning accuracy of the PCB board 2 during installation but also effectively avoids displacement or loosening caused by external factors, thereby ensuring stable transmission and processing of the blood pressure monitor signal. Furthermore, the assembly positioning elements 3 equipped on the mounting platform 12 further enhance the positioning effect of the PCB board 2. These components are typically manufactured using precision processes, ensuring that the PCB board 2 can quickly and accurately locate its predetermined position during installation, significantly shortening assembly time and improving production efficiency. Furthermore, two sets of opposing mounting clips 4 constitute the core mechanism for securing the PCB board 2. These clips are specially designed to provide sufficient fixing force to ensure that the PCB board 2 will not detach due to vibration or external forces during prolonged use, while also maintaining a certain degree of elasticity for easy installation and removal of the PCB board 2, enhancing maintenance convenience. In addition, the design of these fixing clips fully considers electromagnetic compatibility and heat dissipation performance. Through reasonable layout and material selection, electromagnetic interference between the PCB board 2 and other components is effectively reduced, while ensuring good heat dissipation and extending the service life of the electronic blood pressure monitor.

[0026] The bottom shell 1 is provided with a joint mounting groove 13 and a rotating mounting groove 14 on one side, the joint mounting groove 13 is used for connecting the pipeline, and the rotating mounting groove 14 is used for mounting the cloth cover. Specifically, the installation cavity 11 is provided with a gas pump mounting area 111, and the gas pump mounting area 111 is provided with a gas pump mounting groove 112. The installation cavity 11 is provided with a positioning buckle 113 on one side of the gas pump mounting area 111. In the embodiment, the introduction of the joint mounting groove 13 provides a convenient and stable interface for pipeline connection, ensuring the smoothness and sealing of the internal fluid transmission of the sphygmomanometer, which is crucial for maintaining the accuracy of blood pressure measurement. The innovative design of the rotating mounting groove 14 brings great flexibility to the installation and removal of the cloth cover, which not only facilitates user cleaning and maintenance, but also improves the overall aesthetics and user experience of the product. The gas pump mounting area 111 and the gas pump mounting groove 112 inside it effectively ensure the stable operation of the gas pump, reducing measurement errors caused by vibration or looseness. This design not only improves the measurement accuracy of the sphygmomanometer, but also prolongs the service life of the gas pump.

[0027] The installation cavity 11 is provided with a battery mounting area 114 on one side of the mounting table 12. The edge of the installation cavity 11 is provided with a connecting column 115, and the connecting column 115 is provided with a connecting hole. In the embodiment, by accurately planning the position of the installation cavity 11, a stable installation environment is provided for the battery, and the space layout of the mounting table 12 is effectively utilized, avoiding redundancy and complexity of the internal structure. The connecting column 115 at the edge of the installation cavity 11 and the connecting hole thereon further enhance the practicality and flexibility of the structure.

[0028] The assembly positioning element 3 is provided with a support rib 31 on one side, and the support rib 31 is used for supporting the PCB board 2. In the embodiment, the support rib 31 is specially designed for the PCB board 2 to ensure the stability and reliability of the PCB board 2 during installation. They not only effectively disperse the pressure borne by the PCB board 2, prevent deformation or damage caused by uneven stress, but also significantly improve the carrying capacity of the entire buckle structure. In addition, the presence of the support rib 31 further optimizes the contact area between the PCB board 2 and the buckle structure, enhancing the firmness of the connection. During the operation of the electronic sphygmomanometer, such stable connection helps to reduce the vibration and displacement of the PCB board 2, thereby improving the operation accuracy and stability of the device.

[0029] The assembly positioning element 3 is provided with an assembly positioning column 32, the PCB board 2 is provided with an assembly positioning hole 21, and the assembly positioning column 32 is used for matching the assembly positioning hole 21. The assembly buckle element 4 is provided with a buckle rib 41, the end surface of the buckle rib 41 is flush with the end surface of the supporting rib 31, and the end surface of the buckle rib 41 is used for supporting the PCB board 2. The assembly buckle element 4 is provided with a fixed buckle 41, a buckle groove is formed between the end surface of the fixed buckle 41 and the end surface of the buckle rib 41, and the buckle groove is used for clamping and fixing the PCB board 2. In the embodiment, the accurate matching of the assembly positioning hole 21 and the assembly positioning column 32 ensures the accurate positioning of the PCB board 2 in the installation process, effectively avoids the assembly error caused by the position deviation, and improves the assembly precision and stability of the whole machine. Meanwhile, the flush design of the end surface of the buckle rib 41 and the supporting rib 31 not only enhances the overall strength of the structure, but also provides a stable supporting surface for the PCB board 2, so that the flatness and stability of the PCB board 2 in the working process are ensured. In addition, the buckle groove formed between the end surface of the fixed buckle 41 and the buckle rib 41 clamps and fixes the PCB board 2, realizes a firm and reliable fixing effect, and effectively prevents the loosening or displacement of the PCB board 2 in the working process.

[0030] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the patent range of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection range of the present application. Therefore, the protection range of the present application patent should be subject to the appended claims.

Claims

1. A PCB board fixing structure for an electronic blood pressure monitor, characterized in that: The device includes a bottom shell and a PCB board. The bottom shell has a mounting cavity, and a mounting platform is provided on one side of the mounting cavity. The mounting platform is provided with assembly positioning elements and assembly latching elements. There are two sets of assembly latching elements, which are arranged opposite to each other. The assembly positioning elements are used to position the PCB board, and the two sets of assembly latching elements are used to fix both ends of the PCB board.

2. The PCB board fixing structure for an electronic blood pressure monitor according to claim 1, characterized in that: The bottom shell has a connector mounting groove and a rotary mounting groove on one side. The connector mounting groove is used to connect pipes, and the rotary mounting groove is used to install cloth sleeves.

3. The PCB board fixing structure for an electronic blood pressure monitor according to claim 2, characterized in that: The mounting cavity is provided with an air pump installation area, and the air pump installation area is provided with an air pump installation slot.

4. The PCB board fixing structure for an electronic blood pressure monitor according to claim 3, characterized in that: The mounting cavity is located on one side of the air pump installation area and is equipped with a positioning buckle.

5. The PCB board fixing structure for an electronic blood pressure monitor according to claim 1, characterized in that: The mounting cavity is located on one side of the mounting platform and has a battery mounting area.

6. The PCB board fixing structure for an electronic blood pressure monitor according to claim 1, characterized in that: A connecting post is provided at the edge of the placement cavity, and a connecting hole is provided on the connecting post.

7. The PCB board fixing structure for an electronic blood pressure monitor according to claim 1, characterized in that: One side of the assembly positioning element is provided with a support rib, which is used to support the PCB board.

8. The PCB board fixing structure for an electronic blood pressure monitor according to claim 7, characterized in that: The assembly positioning element is provided with an assembly positioning post, and the PCB board is provided with an assembly positioning hole. The assembly positioning post is used to cooperate with the assembly positioning hole.

9. The PCB board fixing structure for an electronic blood pressure monitor according to claim 8, characterized in that: The assembly buckle element is provided with buckle ribs, the end face of which is flush with the end face of the support ribs, and the end face of the buckle ribs is used to support the PCB board.

10. The PCB board fixing structure for an electronic blood pressure monitor according to claim 9, characterized in that: The assembly buckle element is provided with a fixing buckle, and a buckle groove is formed between the fixing buckle and the end face of the buckle rib. The buckle groove is used to clamp and fix the PCB board.

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