Mounting structure of circuit board and electronic equipment

By setting clearance holes and sleeves on the circuit board, the problem of collision between circuit board components and screw posts is solved, achieving stable connection and space saving. It is suitable for circuit board mounting structures and electronic equipment.

CN223613639UActive Publication Date: 2025-11-28SHENZHEN PENINSULA MEDICAL CO LTD
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Patent Information

Application Number
CN202422168501.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-11-28
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

In existing circuit board mounting structures, components on the circuit board are prone to collision with screw posts, especially large components such as large capacitors, which require a large installation space and cause installation inconvenience.

Method used

The circuit board mounting structure includes a housing, a circuit board, and a sleeve. The circuit board has clearance holes. One end of the sleeve is connected to the connecting base, and the other end is limited to the surface of the circuit board away from the housing. The circuit board is fixed to the housing by the threaded connection or interference fit between the sleeve and the connecting base. The outer peripheral wall of the sleeve has a buckle and a flange to form a fixing groove. The edge of the clearance hole of the circuit board is locked in the fixing groove to enhance stability.

Benefits of technology

This avoids collisions between circuit board components and screw posts, saves installation space, facilitates product miniaturization, and improves the connection stability between the circuit board and the housing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a circuit board installation structure and an electronic device, and relates to the circuit board installation technology field, the circuit board installation structure comprises a housing, a circuit board and a sleeve, the housing is provided with a connection pedestal; the circuit board is arranged in the shell, an avoiding hole is formed in the circuit board, and gaps exist between components on the circuit board and the connecting base in the height direction; one end of the sleeve penetrates through the avoiding hole to be connected with the connecting base, and the other end of the sleeve is limited to the surface, away from the connecting base, of the circuit board so that the circuit board can be connected to the shell. The mounting structure of the circuit board provided by the utility model aims to increase the mounting space of the circuit board and prevent components on the circuit board from colliding with the screw columns.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board installation technical field, especially a kind of installation structure and electronic equipment of circuit board. BACKGROUND

[0002] At present, the installation structure of circuit board is usually provided with longer screw post on shell, and screw hole is provided on circuit board, screw is inserted into screw post through screw hole, so that circuit board is fixed on shell.

[0003] However, when interface element is provided on circuit board, circuit board needs to be placed on shell first, then circuit board is translated, so that interface element is inserted into clearance hole on shell, so that interface of interface element is exposed outside shell, which is convenient for connecting with external plug-in terminal. When circuit board is pushed horizontally, other components on circuit board are prone to collide with higher screw post, especially when there is large capacitor and other components with slightly larger volume on circuit board, larger installation space is needed to avoid collision between large capacitor and screw post. SUMMARY

[0004] The utility model discloses a kind of installation structure and electronic equipment of circuit board, to prevent the components on circuit board from colliding with screw post.

[0005] To achieve the above object, the installation structure of circuit board provided by the utility model, including shell, circuit board and sleeve, the shell is provided with connecting base;The circuit board is located in the shell, the circuit board is provided with avoiding hole, and there is gap in height between the components on the circuit board and the connecting base;One end of the sleeve passes through the avoiding hole and is connected with the connecting base, the other end of the sleeve is limited to the surface of the circuit board away from the connecting base, to connect the circuit board on the shell.

[0006] In an embodiment, the installation structure of circuit board further includes threaded connection piece, the sleeve is provided with boss, one end of the threaded connection piece is screwed into the sleeve and is screwed with the connecting base, and the other end of the threaded connection piece is pressed against the boss on the connecting base.

[0007] In an embodiment, the outer peripheral wall of the sleeve movably provided with buckle, the other end of the sleeve is provided with flange, the buckle and the flange form fixed groove, and the edge of the avoiding hole of the circuit board is clamped in the fixed groove.

[0008] In an embodiment, the outer peripheral wall of the sleeve is provided with avoiding mouth, the buckle includes connecting part and elastic buckle part, one end of the connecting part is connected with the edge of the avoiding mouth away from the flange, the other end of the connecting part is connected with the elastic buckle part, and the elastic buckle part and the flange form the fixed groove.

[0009] In an embodiment, a guide slope is arranged on the surface of the elastic buckle away from the sleeve, and the slope direction of the guide slope is gradually away from the sleeve in the direction from the connecting portion to the flange.

[0010] In an embodiment, the number of buckles is two, and the two buckles are symmetrically arranged on opposite sides of the sleeve.

[0011] In an embodiment, one end of the sleeve is provided with a slot extending in the axial direction thereof, and the outer peripheral wall of the connecting base is provided with a convex rib, and the convex rib is inserted into the slot.

[0012] In an embodiment, the buckle and the slot are arranged in a staggered manner in the circumferential direction of the sleeve.

[0013] In an embodiment, the number of slots and the number of convex ribs are both two, the two slots are arranged on opposite sides of one end of the sleeve, the two convex ribs are arranged on opposite sides of the outer peripheral wall of the connecting base, and one convex rib is inserted into one slot.

[0014] The utility model also provides an electronic equipment which comprises the mounting structure of the circuit board.

[0015] The mounting structure of the circuit board is used for mounting the circuit board, and comprises a connecting base arranged on a shell, a sleeve provided with a avoiding hole on a circuit board arranged in the shell, and a sleeve. One end of the sleeve passes through the avoiding hole and is connected with the connecting base, so that the sleeve and the shell are connected, and the other end of the sleeve is limited to the surface of the circuit board away from the connecting base, so that the circuit board is mounted in the shell. Compared with the structure of the high screw column, the connecting base in the mounting structure of the circuit board can be arranged lower, and when the circuit board is translated, the components on the circuit board will not collide with the screw column. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in the drawings without creative labor.

[0017] Figure 1 It is a structural schematic view of an embodiment of the mounting structure of the circuit board provided by the utility model;

[0018] Figure 2 It is a structural schematic view of an embodiment of the mounting structure of the circuit board provided by the utility model; Figure 1 It is a local enlarged view of A in the middle.

[0019] Figure 3 A schematic diagram of an embodiment of the sleeve in the circuit board mounting structure provided by this utility model;

[0020] Figure 4 A schematic diagram of another embodiment of the sleeve in the circuit board mounting structure provided by this utility model;

[0021] Figure 5 A schematic diagram of another embodiment of the circuit board mounting structure provided by this utility model.

[0022] Explanation of icon numbers:

[0023] 100. Circuit board mounting structure; 1. Housing; 11. Connecting base; 111. Protruding rib; 2. Circuit board; 21. Clearance hole; 3. Sleeve; 31. Flange; 32. Boss; 33. Snap-fit; 331. Connecting part; 332. Spring-loaded part; 3321. Guide bevel; 34. Fixing groove; 35. Clearance opening; 36. Slot; 4. Threaded connector.

[0024] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0026] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0027] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0028] The existing circuit board mounting structure is usually provided with a long screw column on the shell, a screw hole is formed on the circuit board, and then the screw is screwed into the screw column through the screw hole to fix the circuit board on the shell, and the installation is completed.

[0029] However, when the circuit board is provided with an interface element, the circuit board needs to be placed flat on the shell, and then the circuit board is translated to insert the interface element into the clearance hole on the shell, so that the interface of the interface element is exposed outside the shell, and the external plug-in terminal is connected. When the circuit board is pushed flat, other components on the circuit board are prone to collide with the screw column, especially when the circuit board has a large capacitor and other components with slightly larger volume, a larger installation space is required to avoid collision between the large capacitor and the screw column.

[0030] The utility model provides a kind of mounting structure 100 and electronic equipment of circuit board, to prevent the component on circuit board 2 from colliding with screw column.

[0031] Please refer to Figures 1 to 5 In an embodiment of the utility model, the mounting structure 100 of the circuit board includes a shell 1, a circuit board 2 and a sleeve 3, the shell 1 is provided with a connecting base 11;The circuit board 2 is arranged in the shell 1, the circuit board 2 is provided with a clearance hole 21, and the component on the circuit board 2 has a gap in height with the connecting base 11;One end of the sleeve 3 passes through the clearance hole 21 and is connected with the connecting base 11, the other end of the sleeve 3 is limited to the surface of the circuit board 2 away from the shell 1, to connect the circuit board 2 to the shell 1.

[0032] The shape and material of the shell 1 should be determined according to the application position of the mounting structure 100 of the circuit board in this embodiment. The shell 1 can be made of hard plastic, which is easy to operate, or light metal, which is durable and not limited further. The connection between the sleeve 3 and the shell 1 can be a threaded cylindrical structure inside the connecting base 11, which is connected to the connecting base 11 through the threaded connecting piece 4 to fix the sleeve 3 and the shell 1; it can also be directly inserted into the connecting base 11 with interference fit; it can also be that the sleeve 3 is internally threaded and the connecting base 11 is externally threaded, and the sleeve 3 is directly threaded with the connecting base 11, which is not limited further. The circuit board 2 has a plurality of components, especially some capacitors that occupy a large space. The components on the circuit board 2 and the connecting base 11 have a gap in height, which can be set according to the height of the components on the circuit board 2. There is a certain gap in height between the two, that is, the height of the connecting base 11 is set to ensure that the components on the circuit board 2 will not collide or rub with the connecting base 11 when the circuit board 2 is placed on the shell 1 and translated. The material of the sleeve 3 can be hard plastic, which is durable and not prone to rust. It can be understood that in some other embodiments, the material of the sleeve 3 can also be light metal, such as aluminum alloy. The shape of the sleeve 3 can be cylindrical or rectangular, which is not limited further. The relief hole 21 on the circuit board 2 should be slightly larger than the shape of one end of the sleeve 3, so that the sleeve 3 can pass through the relief hole 21 and be connected to the connecting base 11. In some embodiments, to facilitate the fixation of the circuit board 2 on the shell 1 and increase the indirect contact area between the two, the connecting base 11 can be set to have a larger bottom area, and the height of the corresponding connecting base 11 can be set to be lower.

[0033] The utility model discloses a technical scheme through the mounting structure 100 of circuit board for installing circuit board 2 is used to the mounting structure 100 of circuit board, and the mounting structure 100 of circuit board includes setting the connecting base 11 of shell 1, the avoiding hole 21 that is set up on circuit board 2 in the shell 1 and sleeve 3, one end of sleeve 3 is connected with connecting base 11, and then sleeve 3 and shell 1 are connected, and the other end of sleeve 3 is limited to the surface of circuit board 2 that deviates from connecting base 11, and then circuit board 2 is installed in shell 1. Compared with the structure of higher screw post, the connecting base 11 in the mounting structure 100 of circuit board of the utility model can be set lower, when circuit board 2 is translated, the components on circuit board 2 will not collide with the screw post, thereby saving the space of circuit board 2 when translating, and it is beneficial to product miniaturization, then one end of sleeve 3 is fixedly connected with connecting base 11 after passing through avoiding hole 21, and the other end of sleeve 3 is fixedly connected with circuit board in avoiding hole 21, and the stability of shell 1 and circuit board 2 can also be guaranteed. In the prior art, a screw post is usually arranged at the bottom of the shell, the screw post has an internal thread, a screw hole is arranged on the circuit board, a screw is screwed into the internal thread after passing through the screw hole, and the nut of the screw abuts against the screw hole, so that the shell and the circuit board are fixed. However, due to the stability of the connection, the screw and the screw post usually have a large contact area, so that the length of the copper screw post is long enough. However, this requires a large space for the circuit board 2 to be installed horizontally to avoid the high copper screw post. In the present application, the connecting base 11 is arranged on the shell 1, and the sleeve 3 is connected with the connecting base 11, so that the contact area between the sleeve 3 and the connecting base 11 in the horizontal plane is increased, and the height of the connecting base 11 does not need to be too high, so that the stable connection between the circuit board 2 and the shell 1 can be achieved.

[0034] In the embodiment of the utility model, one end of sleeve 3 is sleeved in connecting base 11, boss 32 is arranged in sleeve 3, one end of threaded connecting piece 4 is screwed into sleeve 3 and is screwed with connecting base 11, and the other end of threaded connecting piece 4 abuts against boss 32 on connecting base 11.

[0035] In the embodiment, threaded connecting piece 4 is screwed into sleeve 3 and is connected with connecting base 11, so that sleeve 3 and connecting base 11 are fixedly connected. The specific connection mode is that boss 32 is arranged in sleeve 3, one end of threaded connecting piece 4 is screwed into sleeve 3 and is connected with connecting base 11, the other end of threaded connecting piece 4 abuts against boss 32 on connecting base 11, and the flange 31 at the other end of sleeve 3 clamps and fixes circuit board 2 on shell 1, so that the connection between circuit board 2 and shell 1 is finally achieved.

[0036] In the embodiment of the utility model, the outer peripheral wall of sleeve 3 movably sets buckle 33, buckle 33 and the flange 31 of sleeve 3 enclose to form fixed groove 34, and the edge of the avoiding hole 21 of circuit board 2 is clamped in fixed groove 34.

[0037] In order to firmly fix circuit board 2, in the embodiment, the outer peripheral wall of sleeve 3 is provided with buckle 33, and buckle 33 and flange 31 enclose to form fixed groove 34, and the edge of the avoiding hole 21 of circuit board 2 can be clamped in fixed groove 34, so that circuit board 2 can be fixed in the axial direction and radial direction of sleeve 3, and more firm installation is realized.

[0038] In the embodiment of the utility model, the outer peripheral wall of sleeve 3 is provided with avoiding mouth 35, buckle 33 includes connecting part 331 and elastic buckle part 332, one end of connecting part 331 is connected with the edge of avoiding mouth 35 away from flange 31, the other end of connecting part 331 is connected with elastic buckle part 332, and elastic buckle part 332 encloses with flange 31 to form fixed groove 34.

[0039] In the embodiment, the outer peripheral wall of sleeve 3 is provided with avoiding mouth 35, buckle 33 includes connecting part 331 and elastic buckle part 332, one end of connecting part 331 is connected with the edge of avoiding mouth 35, the other end is provided with elastic buckle part 332, elastic buckle part 332 can be shaken under the drive of connecting part 331 relative to avoiding mouth 35, when sleeve 3 passes through the avoiding hole 21 on circuit board 2, the edge of avoiding hole 21 can abut against elastic buckle part 332, so that it is pressed into sleeve 3, then elastic buckle part 332 rebounds, and the edge of avoiding hole 21 of circuit board 2 is clamped in fixed groove 34 between elastic buckle part 332 and flange 31, realizing the fixation of circuit board 2.

[0040] In the embodiment of the utility model, the surface of elastic buckle part 332 away from sleeve 3 is provided with guide inclined surface 3321, and the inclined direction of guide inclined surface 3321 is gradually away from sleeve 3 in the direction from connecting part 331 to flange 31.

[0041] In the embodiment, the surface of elastic buckle part 332 away from sleeve 3 is provided with guide inclined surface 3321, and the inclined direction of guide inclined surface 3321 is gradually away from sleeve 3 in the direction from connecting part 331 to flange 31 of sleeve 3, that is, the inclined direction of guide inclined surface 3321 is inclined to the outside of sleeve 3 from bottom to top, so that when sleeve 3 is inserted into the avoiding hole 21 of circuit board 2, the edge of avoiding hole 21 moves along guide inclined surface 3321 and presses elastic buckle part 332 to the inside of sleeve 3, then elastic buckle part 332 rebounds, and the edge of avoiding hole 21 of circuit board 2 is clamped in fixed groove 34 between elastic buckle part 332 and flange 31, and the design of guide inclined surface 3321 can facilitate the installation of sleeve 3.

[0042] In the embodiment of the utility model, the number of buckles 33 is two, and the two buckles 33 are symmetrically arranged on opposite sides of the sleeve 3.

[0043] In the embodiment, two buckles 33 are arranged on opposite sides of the sleeve 3, forming two fixing grooves 34, and the opening edges of the escape hole 21 of the circuit board 2 are fixed in the fixing grooves 34 on both sides, improving the stability of the installation of the circuit board 2.

[0044] In the embodiment of the utility model, one end of the sleeve 3 is provided with an insertion slot 36 extending in the axial direction thereof, and the outer peripheral wall of the connecting base 11 is provided with a convex rib 111 inserted into the insertion slot 36.

[0045] In the embodiment, one end of the sleeve 3, i.e. the end facing the connecting base 11, is provided with an insertion slot 36 extending in the axial direction of the sleeve 3, and correspondingly, the outer peripheral wall of the connecting base 11 is provided with a convex rib 111, when the sleeve 3 is connected to the connecting base 11 through the escape hole 21, the convex rib 111 is inserted into the insertion slot 36, which can improve the connection strength between the sleeve 3 and the connecting base 11, prevent the sleeve 3 from rotating relative to the connecting base 11, cause the threaded connecting piece 4 to be tripped, and prevent the circuit board 2 from falling and other accidents.

[0046] In the embodiment of the utility model, the buckle 33 and the insertion slot 36 are arranged in a staggered manner in the circumferential direction of the sleeve 3.

[0047] In the embodiment, the buckle 33 and the insertion slot 36 are arranged in a staggered manner in the circumferential direction of the sleeve 3, which can fix the sleeve 3 and the connecting base 11 and the sleeve 3 and the circuit board 2 in different directions, improving the stability of the installation of the circuit board 2.

[0048] In the embodiment of the utility model, the number of insertion slots 36 and convex ribs 111 is two, two insertion slots 36 are arranged on opposite sides of one end of the sleeve 3, and two convex ribs 111 are arranged on opposite sides of the outer peripheral wall of the connecting base 11, and one convex rib 111 is inserted into one insertion slot 36.

[0049] In the embodiment, opposite sides of one end of the sleeve 3 are respectively provided with a slot 36, and correspondingly, opposite sides of the outer circumferential wall of the connecting base 11 are respectively provided with a convex rib 111, one convex rib 111 is inserted into one slot 36, further improving the connecting strength between the sleeve 3 and the connecting base 11, preventing the sleeve 3 from rotating relative to the connecting base 11, causing the threaded connecting piece 4 to be tripped, the circuit board 2 to fall and other accidents. It can be understood that in other embodiments, the number of the slot 36 and the convex rib 111 is multiple, multiple slots 36 are evenly arranged along the circumferential direction of the sleeve 3, and multiple convex ribs 111 are evenly arranged along the circumferential direction of the outer circumferential wall of the connecting base 11, one convex rib 111 is inserted into one slot 36, further improving the connecting strength between the sleeve 3 and the connecting base 11, preventing the sleeve 3 from rotating relative to the connecting base 11.

[0050] The utility model discloses still a kind of electronic equipment, including the mounting structure 100 of circuit board as described above.

[0051] The above-mentioned is only the exemplary embodiment of the utility model, and is not therefore limited the patent range of the utility model, any equivalent structure transformation made in the technical concept of the utility model using the utility model specification and drawing contents, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A mounting structure of a circuit board, characterized by comprising: include: The housing is provided with a connecting base; The circuit board is disposed inside the housing, and the circuit board has clearance holes. There is a height gap between the components on the circuit board and the connecting base. as well as A sleeve, one end of which passes through the clearance hole and connects to the connecting base, and the other end of which is confined to the surface of the circuit board opposite to the connecting base, so as to connect the circuit board to the housing.

2. The mounting structure of the circuit board according to Claim 1, wherein The mounting structure of the circuit board also includes a threaded connector. The sleeve has a boss inside. One end of the threaded connector passes through the sleeve and is threaded to the connecting base. The other end of the threaded connector presses against the boss on the connecting base.

3. The mounting structure of the circuit board according to Claim 1, wherein The outer peripheral wall of the sleeve is provided with a buckle, and the other end of the sleeve is provided with a flange. The buckle and the flange form a fixing groove, and the edge of the clearance hole of the circuit board is engaged in the fixing groove.

4. The mounting structure of the circuit board according to Claim 3, wherein The outer peripheral wall of the sleeve is provided with an clearance opening. The buckle includes a connecting part and a spring-loaded part. One end of the connecting part is connected to the edge of the clearance opening away from the flange, and the other end of the connecting part is connected to the spring-loaded part. The spring-loaded part and the flange enclose each other to form the fixing groove.

5. The mounting structure of the circuit board according to Claim 4, wherein The surface of the snap fastener away from the sleeve is provided with a guide slope, and the inclination direction of the guide slope gradually moves away from the sleeve in the direction from the connecting part to the flange.

6. The mounting structure of the circuit board according to Claim 5, wherein The number of buckles is two, and the two buckles are symmetrically arranged on opposite sides of the sleeve.

7. The mounting structure of the circuit board according to Claim 3, wherein One end of the sleeve is provided with a slot extending along its axial direction, and the outer peripheral wall of the connecting base is provided with a rib, which is inserted into the slot.

8. The mounting structure of the circuit board according to Claim 7, wherein The buckle and the slot are offset from each other in the circumferential direction of the sleeve.

9. The mounting structure of the circuit board according to Claim 7, wherein The number of slots and ribs are both two. The two slots are located on opposite sides of one end of the sleeve, and the two ribs are located on opposite sides of the outer peripheral wall of the connecting base. One rib is inserted into one slot.

10. An electronic device, comprising: The mounting structure includes the circuit board as described in any one of claims 1 to 9.