A locking bolt

Abstract

The present invention relates to the technical field of electrical automation equipment, and in particular to a locking bolt, an electronic module and a manufacturing method thereof, wherein the locking bolt comprises an upper bolt section, a lower bolt section and a support portion, wherein the upper bolt section is fixedly connected to the upper end of the support portion, and the lower bolt section is fixedly connected to the lower end of the support portion; the upper bolt section comprises a bolt end section A and a connecting section A, wherein the bolt end section A is fixedly connected to the upper end of the connecting section A, the connecting section A and the support portion are fixedly connected to each other, and a friction flange A is provided on the connecting section A; the lower bolt section comprises a connecting section B and a bolt end section B, wherein the upper end of the connecting section B and the support portion are fixedly connected to each other. The present invention has a simple structure and is easy to install, and can fix a printed circuit board without requiring any extra fixing elements, wherein the lower bolt section of the locking bolt can pass through the through hole of the printed circuit board and be inserted into the orifice inside the receiving member A, and the contact area between the locking bolt and the printed circuit board is small, and will not affect the data transmission of the printed circuit board.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical automation equipment, and in particular to a locking bolt, an electronic module and a manufacturing method thereof. Background Art

[0002] At present, in the electronic module in the prior art, for example, in the US patent with application number US19950477844, a buckle / quick release fastening assembly for supporting a circuit card is disclosed, which is used to install the main circuit card at a fixed distance from the mounting wall and align the auxiliary connector of the auxiliary circuit card with the main connector installed on the top surface of the main circuit card. The fastening assembly includes a pin and a support button. The pin has a bottom, the bottom passes through the mounting hole in the main connector installed on the top surface of the main circuit card, the main connector extends from the central axis to a maximum of a first distance, and wherein the bottom extends from the central axis at least a second distance. The pin also has a shaft portion fixedly spaced above the bottom and coaxial with the bottom, the shaft portion at least having a narrow cross-section of the shaft portion extending from the central axis by a distance less than the second distance, so that the side of the bottom where the bottom meets the shaft portion at the narrow cross-section forms a lip portion, wherein at least the wide portion of the pin shaft portion extends at least the second distance from the central axis. The pin also has an upper end, the cross-sectional area of ​​the upper end is greater than the cross-sectional area of ​​the shaft portion, and the size of the upper end can pass through the mounting hole. The upper end has a flange extending from the central axis by a distance greater than the first distance, so that the flange hits the main connector when the pin is inserted into the mounting hole; as disclosed in the U.S. patent with application number US201916507764, a circuit device, a tester, an inspection device, and a method for adjusting the bending of a circuit board are disclosed, including: a circuit board; a housing configured to support the circuit board; and a bending adjuster configured to adjust the bending of the circuit board supported by the housing, wherein the circuit board is supported by the housing by fixing a portion of the circuit board to the housing, wherein the bending adjuster includes: a reference member, which is mounted on the housing and separated from a non-fixed portion of the circuit board supported by the housing, the non-fixed portion being a portion that is not fixed to the housing; and a distance adjuster, which is configured to adjust the distance between the non-fixed portion of the circuit board and the reference member so that the circuit board is deformed.

[0003] However, the electronic modules disclosed in the above-mentioned prior art require multiple fixing elements for assembly and fixing, which has a high production cost and uses a large area on the printed circuit board for fixing, which is likely to have an adverse effect on the data transmission function of the printed circuit board.

[0004] In this regard, the present application specifically proposes a locking bolt, an electronic module and a manufacturing method thereof to solve the above technical problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a locking bolt, an electronic module and a manufacturing method thereof.

[0006] The technical solution adopted by the present invention to solve the above technical problems is: a locking bolt, used to connect the components of the electronic module, comprising an upper bolt section, a lower bolt section and a support portion, wherein the upper bolt section is fixedly connected to the upper end of the support portion, and the lower bolt section is fixedly connected to the lower end of the support portion;

[0007] The bolt upper section includes a bolt end A and a connecting section A, the bolt end A is fixedly connected to the upper end of the connecting section A, the connecting section A and the supporting portion are fixedly connected to each other, and a friction flange A is provided on the connecting section A;

[0008] The lower section of the bolt includes a connecting section B and a bolt end B, the upper end of the connecting section B and the supporting portion are fixedly connected to each other, and the lower end of the connecting section B and the bolt end B are fixedly connected to each other;

[0009] The bolt end B has a friction flange B, and a friction strip is integrally connected to the connecting section B, wherein the friction strip has a friction flange C.

[0010] Furthermore, the length of the lower section of the bolt is 1.25 to 1.75 times the length of the upper section of the bolt.

[0011] Furthermore, the locking bolt is made of any one of PVC, PP, PET or POM.

[0012] An electronic module comprises a module housing and a printed circuit board, wherein the printed circuit board is fixedly connected to the inside of the module housing;

[0013] The module shell includes an upper shell and a lower shell, the upper shell is bonded to the upper end of the lower shell, a support member A is fixedly connected to the inner side of the shell inner wall A of the lower shell, a container A is fixedly connected to one side of the support member A, a support member B is fixedly connected to the inner side of the shell inner wall B of the upper shell, a container B is fixedly connected to one side of the support member B, the positions of the container A and the container B correspond to each other, and the printed circuit board is fixedly connected between the container A and the container B.

[0014] Furthermore, the printed circuit board is fixed to the upper end of the container A by a locking bolt. A through hole is opened on the printed circuit board, and the lower section of the locking bolt passes through the through hole and is inserted into the hole inside the container A.

[0015] Furthermore, the lower section of the bolt is clamped to the inner wall of the receiving part A through the friction flange B of the bolt end B and the friction flange C of the friction strip.

[0016] A method for manufacturing an electronic module comprises the following steps:

[0017] Step S1: firstly, placing the printed circuit board on the upper end of the lower housing so that the through hole of the printed circuit board is aligned with the opening of the receiving member A;

[0018] Step S2: Pass the bolt end B of the locking bolt through the through hole and press it into the orifice of the receiving member A;

[0019] Step S3: applying a sealing adhesive on the top of the lower shell and the bottom of the upper shell;

[0020] Step S4: snap the upper housing onto the upper end of the lower housing, insert the bolt end A of the locking bolt into the receiving part B of the upper housing, and complete the assembly of the electronic module.

[0021] The advantages of the present invention are: the present invention provides a locking bolt, an electronic module and a manufacturing method thereof, which have the following advantages:

[0022] The locking bolt in the present invention is used to connect the components of the electronic module. The locking bolt includes an upper bolt section, a lower bolt section and a supporting portion. The upper bolt section includes a bolt end A and a connecting section A. The lower bolt section of the locking bolt in the present invention can be clamped with the inner wall of the container A through the friction flange B, the friction strip and the friction flange C, so that the printed circuit board is firmly connected to the upper end of the lower shell. The bolt end A of the locking bolt in the present invention can be inserted into the interior of the container B of the upper shell, and the friction flange A and the inner wall of the container B are clamped with each other, so that the printed circuit board is fixed between the lower shell and the upper shell. The structure is simple and the installation is convenient. The printed circuit board can be fixed without additional fixing elements. The lower bolt section of the locking bolt can pass through the through hole of the printed circuit board and be inserted into the hole inside the container A. The contact area between the locking bolt and the printed circuit board is small, which will not affect the data transmission of the printed circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the structure of the locking bolt in the present invention;

[0025] Figure 2 It is a schematic diagram of the installation structure of the locking bolt in the present invention;

[0026] Figure 3 Schematic diagram of the structure of the locking bolt in the second embodiment of the present invention.

[0027] Figure 4 This is a schematic diagram of the structure of the locking bolt in the third embodiment of the present invention;

[0028] Figure 5 , Figure 6 and Figure 7 All of them are structural schematic diagrams of the electronic module in the present invention;

[0029] in:

[0030] 1. Locking bolt; 2. Lower part of bolt; 3. Upper part of bolt;

[0031] 4. Supporting part; 5. Bolt end A; 51. Friction flange A;

[0032] 6. Bolt end B; 61. Friction flange B; 7. Connecting section A;

[0033] 8. Connecting section B; 9. Friction strip; 91. Friction flange C;

[0034] 10. Printed circuit board; 11. Through hole; 12. Sealing adhesive;

[0035] 14. Friction flange D; 15. Friction block A; 16. Friction block B

[0036] 20. module housing; 21. lower housing; 211. top of lower housing;

[0037] 22. Upper shell; 221. Bottom of upper shell; 23. Accommodating member A;

[0038] 231. orifice; 232. inner wall; 24. receiving member B;

[0039] 25. Inner wall A of the housing; 26. Inner wall B of the housing; 27. Support member A;

[0040] 28. Support member B. DETAILED DESCRIPTION

[0041] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0043] In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. The terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] Embodiment 1:

[0045] Figure 1 It is a schematic diagram of the structure of the locking bolt 1 in the present invention, Figure 2 FIG. 1 is a schematic diagram of the installation structure of the locking bolt 1 in the present invention, as shown in FIG. Figure 1 and Figure 2A locking bolt shown is used to connect the components of the electronic module, including an upper bolt section 3, a lower bolt section 2 and a support portion 4, wherein the upper bolt section 3 is fixedly connected to the upper end of the support portion 4, and the lower bolt section 2 is fixedly connected to the lower end of the support portion 4; the upper bolt section 3 includes a bolt end A5 and a connecting section A7, wherein the bolt end A5 is fixedly connected to the upper end of the connecting section A7, the connecting section A7 and the support portion 4 are fixedly connected to each other, and a friction flange A51 is provided on the connecting section A7; the lower bolt section 2 includes a connecting section B8 and a bolt end B6, wherein the upper end of the connecting section B8 and the support portion 4 are fixedly connected to each other, and the lower end of the connecting section B8 and the bolt end B6 are fixedly connected to each other; the bolt end B6 has a friction flange B61, and a friction strip 9 is integrally connected to the connecting section B8, The wiping strip 9 has a friction flange C91, and the lower section 2 of the bolt can be clamped with the inner wall 232 of the accommodating part A23 through the friction flange B61 of the bolt end B6 and the friction flange C91 of the friction strip 9, and can be clamped with the inner wall 232 of the accommodating part B24 through the friction flange A51 of the upper section of the locking bolt 1, so that the locking bolt 1 and the accommodating parts A23 and B24 are fastened to each other. The locking bolt 1 in the present invention is made of a material that is not easy to rust, such as PVC (polyvinyl chloride), PP (polypropylene), POM (polyoxymethylene) or PET (polyethylene terephthalate). The length of the lower section 2 of the locking bolt 1 in the present invention is 1.25 to 1.75 times the length of the upper section 3 of the bolt, and the depth of the lower section 2 of the bolt inserted into the accommodating cavity A is deeper, which enhances the connection stability.

[0046] Embodiment 2:

[0047] Figure 3 Schematic diagram of the structure of the locking bolt 1 in the second embodiment of the present invention. Figure 3 A locking bolt shown in the figure includes an upper bolt section 3, a lower bolt section 2 and a support portion 4, the upper bolt section 3 is fixedly connected to the upper end of the support portion 4, the lower bolt section 2 is fixedly connected to the lower end of the support portion 4, and three friction strips 9 are arranged on the lower bolt section 2, the friction strips 9 and the lower bolt section 2 are fixedly connected to each other, and the connection strength between the upper bolt section 3 and the inner wall 232 of the container B24 can be enhanced by means of multiple friction strips 9, so that the upper bolt section 3 and the container B24 are tightly connected, and two friction flanges D14 are fixedly connected to the upper bolt section 3, and the connection strength between the lower bolt section 2 and the inner wall 232 of the container A23 can be enhanced by means of multiple friction flanges D14, so that the lower bolt section 2 and the container A23 are tightly connected, so that the printed circuit board 10 is firmly fixed between the container A23 and the container B24.

[0048] Embodiment 3:

[0049] Figure 4 Schematic diagram of the structure of the locking bolt 1 in the third embodiment of the present invention. Figure 4 A locking bolt shown in the figure includes an upper bolt section 3, a lower bolt section 2 and a support portion 4, the upper bolt section 3 is fixedly connected to the upper end of the support portion 4, the lower bolt section 2 is fixedly connected to the lower end of the support portion 4, two parallel friction strips 9 are arranged on the lower bolt section 2, the friction strips 9 and the lower bolt section 2 are fixedly connected to each other, a plurality of friction blocks A15 are fixedly arranged around the upper bolt section 3, and the connection strength between the upper bolt section 3 and the accommodating part B24 can be enhanced by the plurality of friction blocks A15, and the present invention has a plurality of friction blocks B arranged between the two friction strips 9, and the plurality of friction blocks B are fixedly arranged around the lower bolt section 2, which can further enhance the connection strength between the lower bolt section 2 and the accommodating part A23.

[0050] Embodiment 4:

[0051] Figure 5 , Figure 6 and Figure 7 All of them are structural schematic diagrams of the electronic module in the present invention, such as Figure 5 , Figure 6 and Figure 7 An electronic module shown in the figure comprises a module housing and a printed circuit board 10, wherein the printed circuit board 10 is fixedly connected inside the module housing; the module housing comprises an upper housing 22 and a lower housing 21, wherein the upper housing 22 is bonded to the upper end of the lower housing 21, a support member A27 is fixedly connected inside the housing inner wall A25 of the lower housing 21, a receiving member A23 is fixedly connected on one side of the support member A27, a support member B28 is fixedly connected inside the housing inner wall B26 of the upper housing 22, a receiving member B24 is fixedly connected on one side of the support member B28, the positions of the receiving members A23 and B24 correspond to each other, the printed circuit board 10 is fixedly connected between the receiving members A23 and B24, and the printed circuit board 10 in the present invention is fixedly connected by a locking bolt 1 The upper end of the receiving part A23 is fixed, and a through hole 11 is opened on the printed circuit board 10. The lower bolt section 2 of the locking bolt 1 passes through the through hole 11 and is inserted into the hole 231 inside the receiving part A23. The lower bolt section 2 is clamped with the inner wall 232 of the receiving part A23 through the friction flange B61 of the bolt end B6 and the friction flange C91 of the friction strip 9. In the present invention, the bolt end A5 of the locking bolt 1 can be inserted into the receiving part B24 of the upper shell 22, and is clamped with the inner wall 232 of the receiving part B24 through the friction flange A51, so that the printed circuit board 10 is fixed between the lower shell 21 and the upper shell 22. The lower bolt section 2 of the locking bolt 1 can pass through the through hole 11 of the printed circuit board 10 and be inserted into the hole 231 inside the receiving part A23.

[0052] The present invention also provides a method for manufacturing an electronic module, comprising the following steps: firstly preparing a lower housing 21, such as Figure 5As shown, the printed circuit board 10 is aligned with the hole 231 along the direction of arrow A, and the printed circuit board 10 is placed on the upper end of the receiving part A23, and then the locking bolt 1 is pushed along the direction B and pressed into the hole 231 of the receiving part A23, thereby fixing the printed circuit board 10 on the receiving part A23, and then the liquid sealing adhesive 12 and the adhesive are applied to the edges of the top 211 of the lower shell and the bottom 221 of the upper shell. The edges of the bottom 221 of the upper shell and the top 211 of the lower shell are groove structures, and the liquid sealing adhesive 12 can be poured into the groove, as shown in FIG. Figure 6 As shown, the upper shell 22 is buckled onto the upper end of the lower shell 21 from above along direction D, so that a sleeve structure is formed between the accommodating part A23 and the accommodating part B24, and the upper section of the locking bolt 1 is clamped with the inner wall 232 of the accommodating part B24 through the friction flange A51, thereby completing the assembly and manufacturing of the electronic module. The present invention can fix the printed circuit board 10 only through the locking bolt 1, and has the advantages of stable connection, simple structure and easy installation.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, 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 invention.

Claims

1. A locking bolt used to connect components of an electronic module, comprising an upper bolt section (3), a lower bolt section (2) and a support portion (4), wherein the upper bolt section (3) is fixedly connected to the upper end of the support portion (4), and the lower bolt section (2) is fixedly connected to the lower end of the support portion (4); Features: The bolt upper section (3) comprises a bolt end A (5) and a connecting section A (7), the bolt end A (5) is fixedly connected to the upper end of the connecting section A (7), the connecting section A (7) and the supporting portion (4) are fixedly connected to each other, and a friction flange A (51) is provided on the connecting section A (7); The bolt lower section (2) comprises a connecting section B (8) and a bolt end B (6), the upper end of the connecting section B (8) and the support portion (4) are fixedly connected to each other, and the lower end of the connecting section B (8) and the bolt end B (6) are fixedly connected to each other; The bolt end B (6) has a friction flange B (61), and a friction strip (9) is integrally connected to the connecting section B (8), and the friction strip (9) has a friction flange C (91); The length of the lower bolt section (2) is 1.25 to 1.75 times the length of the upper bolt section (3); The locking bolt (1) is made of any one of PVC, PP, PET or POM.

2. A locking bolt according to claim 1, characterized in that: The electronic module comprises a module housing and a printed circuit board (10), wherein the printed circuit board (10) is fixedly connected inside the module housing; The module housing comprises an upper housing (22) and a lower housing (21); the upper housing (22) is bonded to the upper end of the lower housing (21); a support member A (27) is fixedly connected to the inner side of a housing inner wall A (25) of the lower housing (21); a container A (23) is fixedly connected to one side of the support member A (27); a support member B (28) is fixedly connected to the inner side of a housing inner wall B (26) of the upper housing (22); a container B (24) is fixedly connected to one side of the support member B (28); the positions of the container A (23) and the container B (24) correspond to each other; and the printed circuit board (10) is fixedly connected between the container A (23) and the container B (24).

3. A locking bolt according to claim 2, characterized in that: The printed circuit board (10) is fixed to the upper end of the container A (23) by means of a locking bolt (1); a through hole (11) is provided on the printed circuit board (10); a lower bolt section (2) of the locking bolt (1) passes through the through hole (11) and is inserted into an orifice (231) inside the container A (23).

4. A locking bolt according to claim 3, characterized in that: The lower section (2) of the bolt is clamped to each other via the friction flange B (61) of the bolt end B (6), the friction flange C (91) of the friction strip (9) and the inner wall (232) of the receiving part A (23).

5. A locking bolt according to claim 2, characterized in that: The manufacturing method of the electronic module comprises the following steps: Step S1: firstly, placing the printed circuit board (10) on the upper end of the lower housing (21), so that the through hole (11) of the printed circuit board (10) is aligned with the opening (231) of the receiving member A (23); Step S2: Pass the bolt end B (6) of the locking bolt (1) through the through hole (11) and press it into the hole (231) of the receiving member A (23); Step S3: applying a sealing adhesive (12) on the top (211) of the lower shell and the bottom (221) of the upper shell; Step S4: snap the upper housing (22) onto the upper end of the lower housing (21), insert the bolt end A (5) of the locking bolt (1) into the interior of the receiving part B (24) of the upper housing (22), and complete the assembly of the electronic module.

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