Connector housing assembly
By adopting an alternate arrangement of vertical slots and convex recesses in the connector housing assembly, the electromagnetic leakage problem caused by the horizontal plug-in slot of the base is solved, and a more efficient electromagnetic shielding effect is achieved.
Patent Information
- Application Number
- CN202010322899.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-04-22
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2040-04-22
AI Technical Summary
In the existing connector housing assembly, horizontal plug-in slots penetrated through the inner and outer side walls of the base cause severe electromagnetic leakage, reducing the electromagnetic shielding effect.
A vertical slot extending along the length of the case is formed on the side frame of the base. The side wall of the case is inserted into the vertical slot of the side frame, and the alternate arrangement of the projection and the recessed portion prevents the formation of flat direct seams, and combines with the use of electromagnetic shielding shrapnel to improve the electromagnetic shielding effect.
It greatly improves the electromagnetic shielding effect of the connector, prevents electromagnetic leakage, and enhances the electromagnetic shielding performance.
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Figure CN113540866B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a connector housing assembly. Background Art
[0002] In the prior art, a connector housing assembly mounted on a circuit board generally includes a die-cast base and a stamped housing (also known as a cage). The housing is mounted on the base.
[0003] In the prior art, horizontal plug-in slots that penetrate inside and outside are formed on both sides of the base, and a pair of side walls of the shell have bent lower edge portions, which are inserted into the horizontal plug-in slots of the base, thereby fixing the shell to the base.
[0004] In the prior art, the horizontal plug-in slots penetrating the inner and outer sides of the side wall of the base may cause serious electromagnetic leakage, thereby reducing the electromagnetic shielding effect of the connector. Summary of the Invention
[0005] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.
[0006] According to one aspect of the present invention, a connector housing assembly is provided, comprising: a housing having a top wall and a pair of side walls; and a base on which the housing is mounted. The base includes a pair of side frames, each of which has a vertical slot extending along the length of the housing, and the lower sides of the pair of side walls of the housing are respectively inserted into the vertical slots of the pair of side frames.
[0007] According to an exemplary embodiment of the present invention, the bottom surface of the side wall contacts the bottom surface of the vertical slot, and the bottom surface of the side wall and the bottom surface of the vertical slot are uneven to prevent a straight seam from being formed therebetween.
[0008] According to another exemplary embodiment of the present invention, a first protrusion and a first recess are formed on the bottom surface of each of the vertical slots, and a second recess and a second protrusion are formed on the bottom surface of each of the side walls; the first protrusion and the first recess on the bottom surface of the vertical slot respectively cooperate with the second recess and the second protrusion on the bottom surface of the side wall.
[0009] According to another exemplary embodiment of the present invention, the first protrusions and the first recesses on the bottom surface of the vertical slot are alternately arranged in the longitudinal direction of the shell; and the second recesses and the second protrusions on the bottom surface of the side wall are alternately arranged in the longitudinal direction of the shell.
[0010] According to another exemplary embodiment of the present invention, the first protrusion, the first recess, the second recess and the second protrusion are roughly rectangular, so that the contour lines of the bottom surface of the side wall and the bottom surface of the vertical slot are roughly square wave-shaped.
[0011] According to another exemplary embodiment of the present invention, a tongue portion is formed on the second protrusion of the side wall, and a socket is formed on the bottom wall of the first recessed portion of the vertical slot. The tongue portion is inserted into the socket and bent outward, thereby fixing the side wall to the side frame.
[0012] According to another exemplary embodiment of the present invention, a plurality of raised ribs are formed on at least one of the two inner side surfaces of the vertical slot; when the side wall is inserted into the vertical slot, the raised ribs abut against the side surface of the side wall to ensure that the side wall is in reliable contact with the inner wall of the vertical slot.
[0013] According to another exemplary embodiment of the present invention, a plurality of raised ribs on each inner side surface of the vertical slot are arranged in a row along the length direction of the shell, and each raised rib extends along the height direction of the shell.
[0014] According to another exemplary embodiment of the present invention, the shell further has a rear end wall, and the base further has a rear end frame, and the bottom surface of the rear end wall contacts the top surface of the rear end frame.
[0015] According to another exemplary embodiment of the present invention, a plurality of tooth-shaped protrusions are formed on the top surface of the rear end frame, and a plurality of grooves are formed on the bottom surface of the rear end wall; the plurality of tooth-shaped protrusions cooperate with the plurality of grooves respectively, so that the joint between the rear end frame and the rear end wall is uneven, so as to prevent a straight joint from being formed between the two.
[0016] According to another exemplary embodiment of the present invention, the base further has a rear end inner wall, which is located on the inner side of the rear end frame and extends beyond the rear end frame in the height direction of the shell; when the shell is inserted into the base, the rear end inner wall of the base is abutted against the inner side surface of the rear end wall of the shell.
[0017] According to another exemplary embodiment of the present invention, a positioning column extending vertically downward is formed on the bottom surface of each side frame of the base, and the positioning column is suitable for being inserted into a positioning hole on a circuit board.
[0018] According to another exemplary embodiment of the present invention, an outwardly protruding connecting ear is formed on the outer side surface of each side frame of the base, and a connecting hole is formed on the connecting ear. The connecting ear can be connected and fixed to the circuit board by a threaded connector passing through the connecting hole.
[0019] According to another exemplary embodiment of the present invention, the connector housing assembly further includes an electromagnetic shielding spring sheet, and the electromagnetic shielding spring sheet is installed on four walls of the front port of the housing.
[0020] According to another exemplary embodiment of the present invention, the housing is a stamped housing made by stamping a single metal plate, and the base is a die-cast base made by a die-casting process.
[0021] In the aforementioned exemplary embodiments according to the present invention, the formation of a horizontal plug-in slot that penetrates inside and outside the base is avoided, thereby greatly improving the electromagnetic shielding effect of the connector.
[0022] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A perspective schematic diagram showing a connector housing assembly according to an exemplary embodiment of the present invention;
[0024] Figure 2 show Figure 1 An exploded schematic diagram of the connector housing assembly is shown;
[0025] Figure 3 show Figure 1 a transverse cross-sectional view of the connector housing assembly shown;
[0026] Figure 4 show Figure 2 A longitudinal cross-sectional view of the connector housing assembly is shown;
[0027] Figure 5 show Figure 1 A partial enlarged schematic diagram of the base of the connector housing assembly shown;
[0028] Figure 6 show Figure 1 A partial enlarged schematic diagram of the connector housing assembly shown;
[0029] Figure 7 show Figure 1 A schematic diagram of the rear end of the connector housing assembly is shown. DETAILED DESCRIPTION
[0030] The technical solution of the present invention will be further described in detail below through examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as limiting the present invention.
[0031] In addition, in the following detailed description, for ease of explanation, numerous specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments can be practiced without these specific details. In other cases, well-known structures and devices are shown in diagrammatic form to simplify the accompanying drawings.
[0032] According to a general technical concept of the present invention, a connector housing assembly is provided, comprising: a housing having a top wall and a pair of side walls; and a base on which the housing is mounted. The base includes a pair of side frames, each of which has a vertical slot extending along the length of the housing, and the lower sides of the pair of side walls of the housing are respectively inserted into the vertical slots of the pair of side frames.
[0033] Figure 1 A perspective schematic diagram showing a connector housing assembly according to an exemplary embodiment of the present invention; Figure 2 show Figure 1 An exploded schematic diagram of the connector housing assembly is shown; Figure 3 show Figure 1 A transverse cross-sectional view of the connector housing assembly is shown.
[0034] like Figures 1 to 3 As shown, in the illustrated embodiment, the connector housing assembly primarily includes a housing 100 and a base 200. The housing 100 may be a stamped housing formed by stamping a single sheet of metal, and the base 200 may be a die-cast base. The housing 100 has a top wall 120 and a pair of side walls 110. The housing 100 is mounted on the base 200.
[0035] like Figures 1 to 3 As shown, in the illustrated embodiment, the base 200 includes a pair of side frames 210. Each side frame 210 is formed with a vertical slot 212 extending along the length of the housing 100. The lower sides of the pair of side walls 110 of the housing 100 are respectively inserted into the vertical slots 212 of the pair of side frames 210. This eliminates the need for forming a horizontal insertion slot that runs through the base, greatly improving the electromagnetic shielding effect of the connector housing assembly.
[0036] like Figures 1 to 3As shown, in the illustrated embodiment, a positioning column 211 extending vertically downward is formed on the bottom surface of each side frame 210 of the base 200, and the positioning column 211 is suitable for being inserted into a positioning hole on a circuit board (not shown) to position the connector housing assembly at a predetermined installation position.
[0037] like Figures 1 to 3 As shown, in the illustrated embodiment, an outwardly protruding connecting ear portion 213 is formed on the outer side surface of each side frame 210 of the base 200, and a connecting hole 213a is formed on the connecting ear portion 213. The connecting ear portion 213 can be connected to the circuit board by a threaded connector passing through the connecting hole 213a, so as to fix the connector housing assembly on the circuit board.
[0038] Figure 4 show Figure 2 A longitudinal cross-sectional view of the connector housing assembly is shown.
[0039] like Figures 1 to 4 As shown, in the illustrated embodiment, the bottom surface of the side wall 110 contacts the bottom surface of the vertical slot 212, and the bottom surface of the side wall 110 and the bottom surface of the vertical slot 212 are uneven to prevent the formation of a straight seam between them. This can further enhance the electromagnetic shielding effect of the connector housing assembly.
[0040] like Figures 1 to 4 As shown, in the illustrated embodiment, a first protrusion 212a and a first recess 212b are formed on the bottom surface of each vertical slot 212, and a second recess 110a and a second protrusion 110b are formed on the bottom surface of each side wall 110. The first protrusion 212a and the first recess 212b on the bottom surface of the vertical slot 212 respectively cooperate with the second recess 110a and the second protrusion 110b on the bottom surface of the side wall 110.
[0041] like Figures 1 to 4 As shown, in the illustrated embodiment, the first protrusions 212a and the first recesses 212b on the bottom surface of the vertical slot 212 are alternately arranged in the length direction of the housing 100. The second recesses 110a and the second protrusions 110b on the bottom surface of the side wall 110 are alternately arranged in the length direction of the housing 100.
[0042] like Figures 1 to 4 As shown, in the illustrated embodiment, the first protrusion 212a, the first recessed portion 212b, the second recessed portion 110a and the second protrusion 110b are roughly rectangular, so that the contour line of the bottom surface of the side wall 110 and the contour line of the bottom surface of the vertical slot 212 are roughly uneven square waves.
[0043] like Figures 1 to 4As shown, in the illustrated embodiment, a tongue portion 110 c is formed on the second protrusion 110 b of the side wall 110, and a hole 210 c is formed on the bottom wall of the first recessed portion 212 b of the vertical slot 212. The tongue portion 110 c is inserted into the hole 210 c and bent outward, thereby fixing the side wall 110 to the side frame 210.
[0044] Figure 5 show Figure 1 A partial enlarged schematic diagram of the base of the connector housing assembly shown; Figure 6 show Figure 1 A partial enlarged schematic diagram of the connector housing assembly is shown.
[0045] like Figures 1 to 6 As shown, in the illustrated embodiment, a plurality of raised ribs 212d are formed on at least one of the two inner side surfaces of the vertical slot 212. When the side wall 110 is inserted into the vertical slot 212, the raised ribs 212d abut against the side surface of the side wall 110 to ensure that the side wall 110 is in reliable contact with the inner wall of the vertical slot 212.
[0046] like Figures 1 to 6 As shown, in the illustrated embodiment, a plurality of raised ribs 212 d on each inner side surface of the vertical slot 212 are arranged in a row along the length direction of the housing 100 , and each raised rib 212 d extends along the height direction of the housing 100 .
[0047] Figure 7 show Figure 1 A schematic diagram of the rear end of the connector housing assembly is shown.
[0048] like Figures 1 to 7 As shown, in the illustrated embodiment, the housing 100 further has a rear end wall 130 , and the base 200 further has a rear end frame 230 . The bottom surface of the rear end wall 130 contacts the top surface of the rear end frame 230 .
[0049] like Figures 1 to 7 As shown, in the illustrated embodiment, a plurality of tooth-like protrusions 230a are formed on the top surface of the rear end frame 230, and a plurality of grooves 130a are formed on the bottom surface of the rear end wall 130. The plurality of tooth-like protrusions 230a respectively cooperate with the plurality of grooves 130a to make the joint between the rear end frame 230 and the rear end wall 130 uneven, thereby preventing a straight joint from being formed therebetween.
[0050] like Figures 1 to 7As shown, in the illustrated embodiment, the base 200 further has a rear end inner wall 232, which is located inside the rear end frame 230 and extends beyond the rear end frame 230 in the height direction of the housing 100. When the housing 100 is inserted into the base 200, the rear end inner wall 232 of the base 200 abuts against the inner side surface of the rear end wall 130 of the housing 100.
[0051] like Figures 1 to 7 As shown, in the illustrated embodiment, the connector housing assembly further includes an electromagnetic shielding spring 300 , which is mounted on the four walls of the front port of the housing 100 .
[0052] Please note that the present invention is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the present invention, a transverse slot perpendicular to the vertical slot 212 may be formed on the rear frame 230 of the base 200, and the underside of the rear wall 130 is inserted into the transverse slot of the rear frame 230. In this embodiment, the bottom surface of the rear wall 130 contacts the bottom surface of the transverse slot, and the bottom surfaces of the rear wall 130 and the transverse slot are uneven to prevent the formation of a straight seam between the two.
[0053] Those skilled in the art will appreciate that the embodiments described above are exemplary and that they may be improved upon. The structures described in the various embodiments may be freely combined without causing any conflict in structure or principle.
[0054] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify the preferred embodiments of the present invention and should not be construed as limiting the present invention.
[0055] Although some embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept, the scope of which is defined in the claims and their equivalents.
[0056] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference in the claims should not be construed as limiting the scope of the invention.
Claims
1. A connector housing assembly, comprising: A housing (100) having a top wall (120) and a pair of side walls (110); and A base (200), the housing (100) being mounted on the base (200), Its characteristics are: The base (200) includes a pair of side frames (210), each of the side frames (210) being provided with a vertical slot (212) extending along the length direction of the shell (100), and the lower sides of a pair of side walls (110) of the shell (100) are respectively inserted into the vertical slots (212) of the pair of side frames (210). The bottom surface of the side wall (110) contacts the bottom surface of the vertical slot (212), and the bottom surface of the side wall (110) and the bottom surface of the vertical slot (212) are uneven along the length direction of the shell (100) and the height direction of the side wall (110), so as to prevent a straight seam from being formed between the two along the length direction of the shell (100) and the height direction of the side wall. A first protrusion (212a) and a first depression (212b) are formed on the bottom surface of each vertical slot (212) along the height direction of the vertical slot, and a second depression (110a) and a second protrusion (110b) are formed on the bottom surface of each side wall (110) along the height direction of the side wall; The first protrusion (212a) and the first recess (212b) on the bottom surface of the vertical slot (212) respectively alternately cooperate with the second recess (110a) and the second protrusion (110b) on the bottom surface of the side wall (110) in the length direction.
2. The connector housing assembly according to claim 1, wherein: The first protrusions (212a) and the first recesses (212b) on the bottom surface of the vertical slot (212) are alternately arranged in the length direction of the housing (100); and The second recessed portions (110a) and the second raised portions (110b) on the bottom surface of the side wall (110) are alternately arranged in the length direction of the housing (100).
3. The connector housing assembly according to claim 2, wherein: The first raised portion (212a), the first recessed portion (212b), the second recessed portion (110a) and the second raised portion (110b) are generally rectangular, so that the contour lines of the bottom surface of the side wall (110) and the bottom surface of the vertical slot (212) are generally in an uneven square wave shape.
4. The connector housing assembly according to claim 1, wherein: A tongue portion (110c) is formed on the second raised portion (110b) of the side wall (110), and a socket (210c) is formed on the bottom wall of the first recessed portion (212b) of the vertical slot (212). The tongue portion (110c) is inserted into the socket (210c) and bent outwards, thereby fixing the side wall (110) to the side frame (210).
5. The connector housing assembly according to claim 1, wherein: A plurality of raised ribs (212d) are formed on at least one of the two inner side surfaces of the vertical slot (212); When the side wall (110) is inserted into the vertical slot (212), the raised rib (212d) abuts against the side surface of the side wall (110) to ensure that the side wall (110) is in reliable contact with the inner wall of the vertical slot (212).
6. The connector housing assembly according to claim 5, wherein: A plurality of raised ribs (212d) on each inner side surface of the vertical slot (212) are arranged in a row along the length direction of the shell (100), and each raised rib (212d) extends along the height direction of the shell (100).
7. The connector housing assembly according to claim 1, wherein: The housing (100) further comprises a rear end wall (130), and the base (200) further comprises a rear end frame (230), wherein the bottom surface of the rear end wall (130) contacts the top surface of the rear end frame (230).
8. The connector housing assembly according to claim 7, wherein: A plurality of tooth-shaped protrusions (230a) are formed on the top surface of the rear end frame (230), and a plurality of grooves (130a) are formed on the bottom surface of the rear end wall (130); The multiple tooth-shaped protrusions (230a) respectively cooperate with the multiple grooves (130a), so that the joint between the rear end frame (230) and the rear end wall (130) is uneven, thereby preventing a straight joint from being formed between the two.
9. The connector housing assembly according to claim 8, wherein: The base (200) further has a rear end inner wall (232), the rear end inner wall (232) being located inside the rear end frame (230) and extending beyond the rear end frame (230) in the height direction of the housing (100); When the shell (100) is inserted into the base (200), the rear end inner wall (232) of the base (200) abuts against the inner side surface of the rear end wall (130) of the shell (100).
10. The connector housing assembly according to claim 1, wherein: A positioning column (211) extending vertically downward is formed on the bottom surface of each side frame (210) of the base (200), and the positioning column (211) is suitable for being inserted into a positioning hole on a circuit board.
11. The connector housing assembly according to claim 1, wherein: An outwardly protruding connecting ear portion (213) is formed on the outer side surface of each side frame (210) of the base (200), and a connecting hole (213a) is formed on the connecting ear portion (213). The connecting ear portion (213) can be connected and fixed to the circuit board through a threaded connector passing through the connecting hole (213a).
12. The connector housing assembly according to claim 1, wherein: The connector housing assembly further comprises an electromagnetic shielding spring sheet (300), wherein the electromagnetic shielding spring sheet (300) is mounted on four walls of the front port of the housing (100).
13. The connector housing assembly according to claim 1, wherein: The housing (100) is a stamped housing made by stamping a single metal plate, and the base is a die-cast base made by a die-casting process.
Citation Information
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