Sealing assembly, electrical connection assembly and connector

Abstract

The utility model discloses a sealing assembly, an electric connection assembly and a connector. The sealing assembly comprises a pair of half shell parts suitable for being detachably buckled together and provided with a front wall, a rear wall and a peripheral wall located between the front wall and the rear wall, and the front wall and the rear wall are axially opposite; and a pair of gel blocks accommodated in the pair of half shell portions, respectively. A concave opening is formed in the splicing portion of the peripheral wall of the half shell portion, the gel block comprises a block body portion and a protruding portion located on one side of the block body portion, the block body portion is contained in an inner cavity of the half shell portion, and the protruding portion is contained in the concave opening of the half shell portion. The block body parts of the pair of gel blocks are used for clamping the flexible flat piece and are suitable for being clamped between the pair of half shell parts so as to realize sealing between the flexible flat piece and the pair of half shell parts; the protruding parts of the pair of gel blocks are suitable for being clamped between the splicing parts of the peripheral walls of the pair of half shell parts and used for sealing a gap between the splicing parts of the peripheral walls of the pair of half shell parts. The utility model not only has low cost, but also is convenient to assemble, and has great market competitiveness.

Description

Technical Field

[0001] This utility model relates to a sealing assembly, including an electrical connection component of the sealing assembly and a connector including the electrical connection component. Background Technology

[0002] In existing technologies, to achieve sealing of the flexible flat cable (FFC) or flexible circuit board (FPC) of a connector, the connector housing is typically first injection molded onto the FFC or FPC, and then sealed by dispensing adhesive. However, the dispensing process is complex, and the adhesive has a long curing time, which reduces production efficiency and increases production costs. Utility Model Content

[0003] The purpose of this utility model is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.

[0004] According to one aspect of the present invention, a sealing assembly is provided. The sealing assembly includes: a pair of half-shell portions adapted to be detachably snapped together, having axially opposed front and rear walls and a peripheral wall located between the front and rear walls; and a pair of gel blocks, respectively accommodated in the pair of half-shell portions. A notch is formed on the mating portion of the peripheral wall of each half-shell portion. Each gel block includes a block portion and a protrusion located on one side of the block portion. The block portion is accommodated within the cavity of the half-shell portion, and the protrusion is accommodated within the notch of the half-shell portion. The block portion of the pair of gel blocks is used to clamp a flexible flat member and is adapted to be clamped between the pair of half-shell portions to achieve a seal between the flexible flat member and the pair of half-shell portions; the protrusion of the pair of gel blocks is adapted to be clamped between the mating portions of the peripheral walls of the pair of half-shell portions to seal the gap between the mating portions of the peripheral walls of the pair of half-shell portions.

[0005] According to an exemplary embodiment of the present invention, the peripheral wall of the half-shell portion has two radially opposite sides, and a buckle and a slot are formed on the two sides of the peripheral wall respectively. The buckle and slot on one half-shell portion engage with the slot and buckle on the other half-shell portion respectively to fasten the two half-shell portions together.

[0006] According to another exemplary embodiment of the present invention, the buckle and the slot on one side of the peripheral wall of the half shell are respectively close to the front wall and the rear wall of the half shell; the buckle and the slot on the other side of the peripheral wall of the half shell are respectively close to the rear wall and the front wall of the half shell.

[0007] According to another exemplary embodiment of the present invention, the notch of the half-shell portion is formed on one side of the peripheral wall of the half-shell portion and is located between the buckle and the slot.

[0008] According to another exemplary embodiment of the present invention, the sealing assembly further includes: a sealing ring adapted to be fitted onto a receiving shell formed by the pair of half-shell portions, the sealing assembly being adapted to be inserted into a rear port of a connector housing, the sealing ring being adapted to be radially pressed between the receiving shell and the housing to achieve a seal between the two.

[0009] According to another exemplary embodiment of the present invention, the protrusion of the gel block is exposed through the notch of the half-shell portion and in close contact with the inner side of the sealing ring to achieve a seal between the two.

[0010] According to another exemplary embodiment of the present invention, a positioning flange and a positioning protrusion are formed on the peripheral wall of the half-shell portion. The positioning flange extends circumferentially along the half-shell portion and is close to the rear wall of the half-shell portion, and the positioning protrusion is close to the front wall of the half-shell portion. The positioning protrusion and the positioning flange abut axially against the front end face and the rear end face of the sealing ring, respectively, for axially positioning the sealing ring.

[0011] According to another aspect of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes: the aforementioned sealing assembly; and a flexible flat member for transmitting current and clamped between the pair of gel blocks.

[0012] According to an exemplary embodiment of the present invention, the flexible flat component is a flexible flat cable or a flexible circuit board.

[0013] According to another exemplary embodiment of the present invention, the electrical connection assembly further includes: a terminal electrically connected to the front end of the flexible flat member.

[0014] According to another exemplary embodiment of the present invention, the flexible flat member includes two flexible flat cables and two terminals respectively crimped to the front ends of the two flexible flat cables.

[0015] According to another exemplary embodiment of the present invention, the two flexible flat cables are arranged side by side or stacked together, and the two flexible flat cables are simultaneously clamped between the pair of gel blocks.

[0016] According to another aspect of the present invention, a connector is provided. The connector includes: a housing having a rear port; and the aforementioned electrical connection assembly, the terminals of which and a sealing assembly are inserted into the housing. The sealing assembly is located in the rear port of the housing and serves to achieve a seal between the flexible flat member and the housing, the flexible flat member extending from the rear port of the housing.

[0017] According to an exemplary embodiment of the present invention, the connector further includes: a rear end cover, which is mounted on the rear end of the housing and has a slot formed therethrough to allow the flexible flat member to pass through, the rear end cover axially abutting against the rear end face of the sealing assembly to axially position the sealing assembly in the rear port of the housing.

[0018] According to another exemplary embodiment of the present invention, a locking protrusion is formed on the outer side of the rear end of the housing, and an elastic buckle is formed on the rear end cover. The locking protrusion engages with the elastic buckle to fix the rear end cover to the rear end of the housing.

[0019] In the foregoing exemplary embodiments of the present invention, sealing of flexible flat parts is achieved by extruding gel blocks, which is not only low in cost but also easy to assemble, and has great market competitiveness.

[0020] Other objects and advantages of the present invention will become apparent from the following description of the invention with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the invention. Attached Figure Description

[0021] Figure 1 An exploded view of a connector according to an exemplary embodiment of the present invention is shown;

[0022] Figure 2 This diagram shows a perspective view of a connector according to an exemplary embodiment of the present invention, wherein the rear end cover has not yet been mounted onto the housing;

[0023] Figure 3 This diagram shows an assembly schematic of a connector according to an exemplary embodiment of the present invention;

[0024] Figure 4 A perspective view of an electrical connection assembly of a connector according to an exemplary embodiment of the present invention is shown.

[0025] Figure 5 An exploded schematic diagram of the electrical connection assembly of a connector according to an exemplary embodiment of the present invention is shown.

[0026] Figure 6 Another exploded schematic diagram of the electrical connection assembly of a connector according to an exemplary embodiment of the present invention is shown;

[0027] Figure 7 This diagram shows a perspective view of a pair of half-shell portions of a sealing assembly according to an exemplary embodiment of the present invention.

[0028] Figure 8This shows a cross-sectional view of a sealing assembly according to an exemplary embodiment of the present invention. Detailed Implementation

[0029] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of this utility model with reference to the accompanying drawings is intended to explain the overall inventive concept of this utility model and should not be construed as a limitation thereof.

[0030] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and apparatuses are illustrated to simplify the figures.

[0031] According to a general technical concept of this utility model, a sealing assembly is provided. The sealing assembly includes: a pair of half-shell portions adapted to be detachably snapped together, each having an axially opposed front wall and a rear wall, and a peripheral wall located between the front and rear walls; and a pair of gel blocks, each respectively accommodated in one of the pair of half-shell portions. A notch is formed on the mating portion of the peripheral wall of each half-shell portion. Each gel block includes a block portion and a protrusion located on one side of the block portion. The block portion is accommodated within the cavity of the half-shell portion, and the protrusion is accommodated within the notch of the half-shell portion. The block portion of the pair of gel blocks is used to clamp a flexible flat member and is adapted to be clamped between the pair of half-shell portions to achieve a seal between the flexible flat member and the pair of half-shell portions; the protrusion of the pair of gel blocks is adapted to be clamped between the mating portions of the peripheral walls of the pair of half-shell portions to seal the gap between the mating portions of the peripheral walls of the pair of half-shell portions.

[0032] According to another general technical concept of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes: the aforementioned sealing assembly; and a flexible flat member for transmitting current and clamped between the pair of gel blocks.

[0033] According to another general technical concept of the present invention, a connector is provided. The connector includes: a housing having a rear port; and the aforementioned electrical connection assembly, the terminals of which and a sealing assembly are inserted into the housing. The sealing assembly is located in the rear port of the housing and serves to achieve a seal between the flexible flat member and the housing, the flexible flat member extending from the rear port of the housing.

[0034] Figure 1 An exploded view of a connector according to an exemplary embodiment of the present invention is shown; Figure 2 This diagram shows a perspective view of a connector according to an exemplary embodiment of the present invention, wherein the rear end cover 7 has not yet been mounted on the housing 6; Figure 3 This diagram shows an assembly schematic of a connector according to an exemplary embodiment of the present invention; Figure 4 A perspective view of an electrical connection assembly 200 of a connector according to an exemplary embodiment of the present invention is shown. Figure 5 An exploded schematic diagram of an electrical connection assembly 200 of a connector according to an exemplary embodiment of the present invention is shown. Figure 6 Showing another exploded schematic diagram of the electrical connection assembly 200 of a connector according to an exemplary embodiment of the present invention; Figure 7 A perspective view of a pair of half-shell portions 20 of a sealing assembly 100 according to an exemplary embodiment of the present invention is shown. Figure 8 This shows a cross-sectional view of a sealing assembly 100 according to an exemplary embodiment of the present invention.

[0035] like Figures 1 to 8 As shown, in an exemplary embodiment of the present invention, a sealing assembly 100 is disclosed. The sealing assembly 100 includes a pair of half-shell portions 20 and a pair of gel blocks 1. The pair of half-shell portions 20 are adapted to be detachably fastened together. Each half-shell portion 20 has an axially opposed front wall 21 and a rear wall 22, and a peripheral wall 23 located between the front wall 21 and the rear wall 22. The pair of gel blocks 1 are respectively accommodated in the pair of half-shell portions 20. A notch 231 is formed on the fitting portion 230 of the peripheral wall 23 of the half-shell portion 20. Each gel block 1 includes a block portion 10 and a protrusion 11 located on one side of the block portion 10. The block portion 10 is accommodated in the cavity of the half-shell portion 20, and the protrusion 11 is accommodated in the notch 231 of the half-shell portion 20.

[0036] like Figures 1 to 8 As shown in the illustrated embodiment, the block portion 10 of a pair of gel blocks 1 is used to clamp the flexible flat member 4 and is adapted to be clamped between a pair of half-shell portions 20 to achieve a seal between the flexible flat member 4 and the pair of half-shell portions 20. The protrusions 11 of the pair of gel blocks 1 are adapted to be clamped between the joint portions 230 of the peripheral walls 23 of the pair of half-shell portions 20 to seal the gap 20a between the joint portions 230 of the peripheral walls 23 of the pair of half-shell portions 20.

[0037] like Figures 1 to 8 As shown in the illustrated embodiment, the peripheral wall 23 of the half-shell portion 20 has two radially opposite sides. A snap fastener 24 and a slot 25 are formed on the two sides of the peripheral wall 23, respectively. The snap fastener 24 and slot 25 on one half-shell portion 20 engage with the slot 25 and snap fastener 24 on the other half-shell portion 20, respectively, so as to fasten the two half-shell portions 20 together.

[0038] like Figures 1 to 8 As shown in the illustrated embodiment, the latches 24 and slots 25 on one side of the peripheral wall 23 of the half-shell 20 are close to the front wall 21 and rear wall 22 of the half-shell 20, respectively. The latches 24 and slots 25 on the other side of the peripheral wall 23 of the half-shell 20 are close to the rear wall 22 and front wall 21 of the half-shell 20, respectively.

[0039] like Figures 1 to 8 As shown, in the illustrated embodiment, the notch 231 of the half-shell portion 20 is formed on one side of the peripheral wall 23 of the half-shell portion 20 and is located between the snap 24 and the slot 25.

[0040] like Figures 1 to 8 As shown, in the illustrated embodiment, the sealing assembly 100 further includes a sealing ring 3. The sealing ring 3 is adapted to be fitted onto a receiving shell 2, which is composed of a pair of half-shell portions 20. The sealing assembly 100 is adapted to be inserted into a rear port 60 of a connector housing 6, and the sealing ring 3 is adapted to be radially pressed between the receiving shell 2 and the housing 6 to achieve a seal between them.

[0041] like Figures 1 to 8 As shown in the illustrated embodiment, the protrusion 11 of the gel block 1 is exposed through the notch 231 of the half-shell portion 20 and is in close contact with the inner side of the sealing ring 3 to achieve a seal between the two.

[0042] like Figures 1 to 8 As shown in the illustrated embodiment, a positioning flange 26 and a positioning protrusion 27 are formed on the peripheral wall 23 of the half-shell portion 20. The positioning flange 26 extends circumferentially along the half-shell portion 20 and approaches the rear wall 22 of the half-shell portion 20, while the positioning protrusion 27 approaches the front wall 21 of the half-shell portion 20. The positioning protrusion 27 and the positioning flange 26 axially abut against the front end face and the rear end face of the sealing ring 3, respectively, for axial positioning of the sealing ring 3.

[0043] like Figures 1 to 8 As shown, in another exemplary embodiment of the present invention, an electrical connection assembly 200 is also disclosed. The electrical connection assembly 200 includes a sealing assembly 100 and a flexible flat member 4. The flexible flat member 4 is used to transmit current and is clamped between a pair of gel blocks 1.

[0044] like Figures 1 to 8 As shown, in the illustrated embodiment, the flexible flat member 4 can be a flexible flat cable 4a or a flexible circuit board.

[0045] like Figures 1 to 8 As shown, in the illustrated embodiment, the electrical connection assembly further includes a terminal 5 that is electrically connected to the front end of the flexible flat member 4, for example, the terminal 5 is pressed onto the front end of the flexible flat member 4.

[0046] like Figures 1 to 8 As shown, in the illustrated embodiment, the flexible flat member 4 includes two flexible flat cables 4a and two terminals 5 respectively crimped to the front ends of the two flexible flat cables 4a.

[0047] like Figures 1 to 8 As shown in the illustrated embodiment, two flexible flat cables 4a are arranged side by side and simultaneously clamped between a pair of gel blocks 1. However, the present invention is not limited to the illustrated embodiment; for example, the two flexible flat cables 4a may be stacked one on top of the other and simultaneously clamped between a pair of gel blocks 1.

[0048] like Figures 1 to 8 As shown, in another exemplary embodiment of this utility model, a connector is also disclosed. The connector includes a housing 6 and the aforementioned electrical connection assembly 200. The housing 6 has a rear port 60. Terminals 5 of the electrical connection assembly 200 and a sealing assembly 100 are inserted into the housing 6. The sealing assembly 100 is located in the rear port 60 of the housing 6 and serves to achieve a seal between a flexible flat member 4 and the housing 6, the flexible flat member 4 extending from the rear port 60 of the housing 6.

[0049] like Figures 1 to 8 As shown, in the illustrated embodiment, the connector further includes a rear end cover 7. The rear end cover 7 is mounted to the rear end of the housing 6 and has a slot forming that allows the flexible flat member 4 to pass through. The rear end cover 7 axially abuts against the rear end face of the sealing assembly 100 to axially position the sealing assembly 100 within the rear port 60 of the housing 6.

[0050] like Figures 1 to 8 As shown in the illustrated embodiment, a locking protrusion 61 is formed on the outer side of the rear end of the housing 6, and an elastic buckle 71 is formed on the rear end cover 7. The locking protrusion 61 and the elastic buckle 71 engage to fix the rear end cover 7 to the rear end of the housing 6.

[0051] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this utility model.

[0052] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation thereof.

[0053] While some embodiments of the general concept of this utility model have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of this utility model, the scope of which is defined by the claims and their equivalents.

[0054] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of this invention.

Claims

1. A sealing assembly, characterized in that, include: A pair of half-shell portions (20) adapted to be detachably snapped together, having an axially opposed front wall (21) and a rear wall (22) and a peripheral wall (23) located between the front wall (21) and the rear wall (22); and A pair of gel blocks (1) are respectively housed in the pair of half-shell portions (20). A notch (231) is formed on the splicing portion (230) of the peripheral wall (23) of the semi-shell portion (20). The gel block (1) includes a block portion (10) and a protrusion (11) located on one side of the block portion (10). The block portion (10) is accommodated in the inner cavity of the semi-shell portion (20), and the protrusion (11) is accommodated in the notch (231) of the semi-shell portion (20). The block portion (10) of the pair of gel blocks (1) is used to clamp the flexible flat piece (4) and is adapted to be clamped between the pair of half shell portions (20) to achieve a seal between the flexible flat piece (4) and the pair of half shell portions (20); The protrusions (11) of the pair of gel blocks (1) are adapted to be clamped between the joints (230) of the peripheral walls (23) of the pair of half shells (20) for sealing the gap (20a) between the joints (230) of the peripheral walls (23) of the pair of half shells (20).

2. The sealing assembly according to claim 1, characterized in that: The peripheral wall (23) of the half-shell (20) has two radially opposite sides. A buckle (24) and a slot (25) are formed on the two sides of the peripheral wall (23). The buckle (24) and slot (25) on one half-shell (20) engage with the slot (25) and buckle (24) on the other half-shell (20) to fasten the two half-shells (20) together.

3. The sealing assembly according to claim 2, characterized in that: The latches (24) and slots (25) on one side of the peripheral wall (23) of the semi-shell (20) are close to the front wall (21) and rear wall (22) of the semi-shell (20), respectively; and The buckle (24) and the slot (25) on the other side of the peripheral wall (23) of the half shell (20) are close to the rear wall (22) and the front wall (21) of the half shell (20), respectively.

4. The sealing assembly according to claim 3, characterized in that: The notch (231) of the half shell (20) is formed on one side of the peripheral wall (23) of the half shell (20) and is located between the buckle (24) and the slot (25).

5. The sealing assembly according to any one of claims 1-4, characterized in that, Also includes: A sealing ring (3) is adapted to be fitted onto a receiving shell (2) consisting of the pair of half-shell portions (20). The sealing assembly (100) is adapted to be inserted into the rear port (60) of the connector housing (6), and the sealing ring (3) is adapted to be radially pressed between the receiving shell (2) and the housing (6) to achieve a seal between the two.

6. The sealing assembly according to claim 5, characterized in that: The protrusion (11) of the gel block (1) is exposed through the notch (231) of the half shell (20) and comes into close contact with the inside of the sealing ring (3) to achieve a seal between the two.

7. The sealing assembly according to claim 5, characterized in that: A positioning flange (26) and a positioning protrusion (27) are formed on the peripheral wall (23) of the half-shell (20). The positioning flange (26) extends circumferentially along the half-shell (20) and is close to the rear wall (22) of the half-shell (20). The positioning protrusion (27) is close to the front wall (21) of the half-shell (20). The positioning protrusion (27) and the positioning flange (26) abut axially against the front end face and the rear end face of the sealing ring (3), respectively, for axial positioning of the sealing ring (3).

8. An electrical connection assembly, characterized in that, include: The sealing assembly (100) according to any one of claims 1-7; and A flexible flat piece (4) is used to transmit current and is clamped between the pair of gel blocks (1).

9. The electrical connection assembly according to claim 8, characterized in that: The flexible flat component (4) is a flexible flat cable (4a) or a flexible circuit board.

10. The electrical connection assembly according to claim 8, characterized in that, Also includes: Terminal (5) is electrically connected to the front end of the flexible flat member (4).

11. The electrical connection assembly according to claim 10, characterized in that: The flexible flat component (4) includes two flexible flat cables (4a) and two terminals (5) respectively crimped to the front ends of the two flexible flat cables (4a).

12. The electrical connection assembly according to claim 11, characterized in that: The two flexible flat cables (4a) are arranged side by side or stacked together, and the two flexible flat cables (4a) are simultaneously sandwiched between the pair of gel blocks (1).

13. A connector, characterized in that, include: Housing (6) having a rear port (60); and The electrical connection assembly (200) according to any one of claims 8-12, wherein its terminals (5) and sealing assembly (100) are inserted into the housing (6), The sealing assembly (100) is located in the rear port (60) of the housing (6) for achieving a seal between the flexible flat member (4) and the housing (6), the flexible flat member (4) being led out from the rear port (60) of the housing (6).

14. The connector according to claim 13, characterized in that, Also includes: The rear end cover (7) is mounted to the rear end of the housing (6) and has a slot that allows the flexible flat member (4) to pass through. The rear end cover (7) abuts axially against the rear end face of the sealing assembly (100) to axially position the sealing assembly (100) in the rear port (60) of the housing (6).

15. The connector according to claim 14, characterized in that: A locking protrusion (61) is formed on the outer side of the rear end of the housing (6), and an elastic buckle (71) is formed on the rear end cover (7). The locking protrusion (61) engages with the elastic buckle (71) to fix the rear end cover (7) to the rear end of the housing (6).

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