Bent plug connector

Abstract

The utility model belongs to the technical field of electric connectors, and particularly relates to a bent plug connector, which comprises a plug shell, a first plug terminal, a second plug terminal and a fastener, the plug shell comprises a first outer cylinder and a second outer cylinder which are vertically arranged and integrally formed; the first plug terminal is installed in a first inner hole of the first outer cylinder body, and the second plug terminal is installed in a second inner hole of the second outer cylinder body. The first plug terminal is provided with a first fastening hole, the second plug terminal is provided with a second fastening hole, and the fastener is inserted into the first fastening hole and the second fastening hole. The bent plug connector can be installed at the corner of an external electric device, and the applicability and universality of the bent plug connector are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric connectors, in particular to a bent plug connector. Background Art

[0002] As a basic component, electrical connectors are used to transmit and control electrical signals and to connect electronic and electrical equipment. They are widely used in the electronics, machinery, aviation and other industries and play an important role.

[0003] Electrical connectors generally include plug connectors and receptacle connectors, which can be mated or separated with the receptacle connector. Existing plug connectors are usually straight-tube structural components. The corners of electrical components will compress the installation space of straight-tube connectors, making straight-tube plug connectors unable to meet the requirements of electrical components with corners. Utility Model Content

[0004] The utility model aims to solve the technical problem that a straight-tube plug connector cannot meet the requirements of electrical components with corners, and provides a bent plug connector.

[0005] To solve the above problems, the first embodiment of the present invention provides a bent plug connector, comprising a plug housing, a first plug terminal, a second plug terminal, and a fastener; the plug housing comprises a first outer cylinder and a second outer cylinder arranged vertically and integrally formed;

[0006] The first plug terminal is installed in the first inner hole of the first outer cylinder, and the second plug terminal is installed in the second inner hole of the second outer cylinder;

[0007] The first plug terminal is provided with a first fastening hole, the second plug terminal is provided with a second fastening hole, and the fastener is inserted into the first fastening hole and the second fastening hole.

[0008] Optionally, the bent plug connector further includes a first insulating sleeve and a second insulating sleeve, the first insulating sleeve being sleeved on the first plug terminal and installed in the first inner hole, and the second insulating sleeve being sleeved on the second plug terminal and installed in the second inner hole.

[0009] Optionally, the angled plug connector further includes an adapter cylinder, the adapter cylinder including a first inner cylinder and a second inner cylinder that are vertically arranged and integrally formed; the first inner cylinder is installed in the first inner hole, and the second inner cylinder is sleeved on the second insulating sleeve and installed in the second inner hole;

[0010] A first annular groove is provided on the first insulating sleeve, and a second annular groove is provided on the second inner cylinder; an end of the first inner cylinder away from the second inner cylinder is inserted into the first annular groove; an end of the second insulating sleeve close to the first plug terminal is inserted into the second annular groove.

[0011] Optionally, a fourth inner hole is provided on the second inner cylinder, and the second inner cylinder is sleeved on the second insulating sleeve through the fourth inner hole;

[0012] The adapter tube further includes a limiting spring piece connected to the second inner cylinder and located in the fourth inner hole; the second plug terminal is also provided with a limiting hole, and an end of the limiting spring piece away from the second inner cylinder is inserted into the limiting hole.

[0013] Optionally, the bent plug connector further includes a shielding assembly; the shielding assembly includes a shielding outer sleeve, a shielding inner sleeve, and a conductive sleeve; a side wall of the shielding outer sleeve is provided with a plurality of first notches distributed annularly at intervals, each of which is provided with a first elastic piece; a side wall of the shielding inner sleeve is provided with a plurality of second notches distributed annularly at intervals, each of which is provided with a second elastic piece;

[0014] The conductive sleeve is sleeved on the second plug terminal, the shielding inner sleeve is sleeved on the conductive sleeve, the shielding outer sleeve is sleeved on the shielding inner sleeve, the first elastic sheet is in one-to-one contact with the second elastic sheet, and the end of the first elastic sheet facing away from the second elastic sheet is in contact with the inner wall of the second inner hole.

[0015] Optionally, a first through hole is provided on the conductive sleeve, and the conductive sleeve is sleeved on the second plug terminal through the first through hole;

[0016] The conductive sleeve is further provided with an annular flange extending away from the first through hole, and both the shielding inner sleeve and the shielding outer sleeve abut against the annular flange.

[0017] Optionally, the bent plug connector further comprises a sealing cylinder sleeved on the second plug terminal, the sealing cylinder being used to seal an opening of the second inner hole away from one end of the first inner hole;

[0018] A plurality of first annular sealing grooves are arranged at intervals on the inner wall of the sealing cylinder, and a plurality of second annular sealing grooves are arranged at intervals on the outer wall of the sealing cylinder.

[0019] Optionally, the bent plug connector further comprises a fastening sleeve, the fastening sleeve comprising a fastening cylinder and a limiting arm connected to the fastening cylinder, the limiting arm being provided with a limiting groove; and a snap-fitting protrusion being provided on the outer wall of the second outer cylinder;

[0020] The fastening cylinder is sleeved on the second plug terminal, and the clamping protrusion is clamped in the limiting groove.

[0021] Optionally, an inserting hole is provided at one end of the first plug terminal away from the second plug terminal, and the bent plug connector further comprises a contact spring installed in the inserting hole.

[0022] Optionally, the bent plug connector further includes a protective member installed in the plug hole.

[0023] In the present utility model, the plug housing includes a first outer cylinder and a second outer cylinder which are vertically arranged and integrally formed, the first plug terminal is installed in the first inner hole of the first outer cylinder, and the second plug terminal is installed in the second inner hole of the second outer cylinder, and the first plug terminal and the second plug terminal are connected by a fastener; the first plug terminal and the second plug terminal are vertically arranged, and the bent plug connector has a first outer cylinder and a second outer cylinder which are distributed at right angles. When the bent plug connector is installed on an external electrical device, the first outer cylinder is fixed on the outer shell of the external electrical device, and the second outer cylinder can extend toward the middle of the external electrical device, so that the corner of the external electrical device will not restrict the bent plug connector, and then the bent plug connector can be installed at the corner of the external electrical device, thereby improving the applicability and versatility of the bent plug connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Figure 1 A schematic structural diagram of a bent plug connector provided in one embodiment of the present invention;

[0026] Figure 2 A cross-sectional structural diagram of a bent plug connector provided in one embodiment of the present utility model;

[0027] Figure 3 A schematic diagram of an exploded structure of a shielding assembly of a bent plug connector provided in one embodiment of the present utility model;

[0028] Figure 4 This is a structural schematic diagram of a fastening sleeve of a bent plug connector provided in one embodiment of the present utility model.

[0029] The reference numerals in the specification are as follows:

[0030] 1. Plug housing; 11. First outer cylinder; 111. First inner hole; 12. Second outer cylinder; 121. Second inner hole; 122. Snap-fit protrusion; 2. First plug terminal; 21. Limiting hole; 22. Inserting hole; 23. Contact spring; 24. Protective piece; 3. Second plug terminal; 4. Fastener; 5. First insulating sleeve; 51. First annular groove; 7. Adapter cylinder; 71. First inner cylinder; 72. Second inner cylinder; 721. Second annular groove; 73. Limiting spring; 8. Shielding assembly; 81. Shielding outer sleeve; 811. First notch; 812. First spring; 82. Shielding inner sleeve; 821. Second notch; 822. Second spring; 83. Conductive sleeve; 831. Annular flange; 9. Sealing cylinder; 10. Fastening sleeve; 101. Fastening cylinder; 102. Limiting arm; 103. Limiting groove DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "middle", etc., indicating the orientation or position relationship, are based on the orientation or position relationship 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0033] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a bent plug connector, including a plug housing 1, a first plug terminal 2, a second plug terminal 3 and a fastener 4; the plug housing 1 includes a first outer cylinder 11 and a second outer cylinder 12 arranged vertically and integrally formed; it can be understood that the fastener 4 includes but is not limited to screws, bolts, etc.

[0034] The first plug terminal 2 is installed in the first inner hole 111 of the first outer cylinder 11, and the second plug terminal 3 is installed in the second inner hole 121 of the second outer cylinder 12; it can be understood that the axis of the first inner hole 111 is perpendicular to the axis of the second inner hole 121, and the first plug terminal 2 is perpendicular to the second plug terminal 3.

[0035] The first plug terminal 2 is provided with a first fastening hole, and the second plug terminal 3 is provided with a second fastening hole. The fastener 4 is inserted into the first fastening hole and the second fastening hole. It can be understood that the first plug terminal 2 and the second plug terminal 3 are electrically connected.

[0036] In the present utility model, the plug housing 1 includes a first outer cylinder 11 and a second outer cylinder 12 that are vertically arranged and integrally formed. The first plug terminal 2 is installed in the first inner hole 111 of the first outer cylinder 11, and the second plug terminal 3 is installed in the second inner hole 121 of the second outer cylinder 12. The first plug terminal 2 and the second plug terminal 3 are connected by a fastener 4; the first plug terminal 2 and the second plug terminal 3 are vertically arranged, and the bent plug connector has a first outer cylinder 11 and a second outer cylinder 12 distributed at right angles. When the bent plug connector is installed on an external electrical device, the first outer cylinder 11 is fixed on the outer shell of the external electrical device, and the second outer cylinder 12 can extend toward the middle of the external electrical device, so that the corner of the external electrical device will not restrict the bent plug connector, and then the bent plug connector can be installed at the corner of the external electrical device, thereby improving the applicability and versatility of the bent plug connector.

[0037] In one embodiment, if Figure 1 and Figure 2 As shown, the angled plug connector further includes a first insulating sleeve 5 and a second insulating sleeve (not shown). The first insulating sleeve 5 is sleeved onto the first plug terminal 2 and mounted in the first inner hole 111, while the second insulating sleeve is sleeved onto the second plug terminal 3 and mounted in the second inner hole 121. It will be appreciated that the first insulating sleeve 5 provides insulation between the first plug terminal 2 and the first outer barrel 11, while the second insulating sleeve provides insulation between the second plug terminal 3 and the second outer barrel 12, thereby ensuring the insulation performance of the angled plug connector.

[0038] In one embodiment, if Figure 2 As shown, the bent plug connector also includes an adapter cylinder 7, which includes a first inner cylinder 71 and a second inner cylinder 72 that are vertically arranged and integrally formed; the first inner cylinder 71 is installed in the first inner hole 111, and the second inner cylinder 72 is sleeved on the second insulating sleeve and installed in the second inner hole 121; it can be understood that the adapter cylinder 7 is installed inside the plug housing 1.

[0039] The first insulating sleeve 5 is provided with a first annular groove 51, and the second inner cylinder 72 is provided with a second annular groove 721. The end of the first inner cylinder 71, distal from the second inner cylinder 72, is inserted into the first annular groove 51; the end of the second insulating sleeve, proximal to the first plug terminal 2, is inserted into the second annular groove 721. In this embodiment, the first inner cylinder 71 is inserted into the first annular groove 51 of the first insulating sleeve 5, and the second insulating sleeve is inserted into the second annular groove 721 of the second inner cylinder. As a result, the adapter cylinder 7 secures the first and second insulating sleeves together, ensuring their stability within the plug housing 1.

[0040] Specifically, during the installation of the first insulating sleeve 5 in the first inner hole 111, the first inner cylinder 71 is inserted into the first annular groove 51 to limit the installation position of the first insulating sleeve 5; during the installation of the first insulating sleeve 5 in the first inner hole 111, the first insulating sleeve 5 is inserted into the second annular groove 721 to limit the installation position of the second insulating sleeve.

[0041] In one embodiment, if Figure 2 As shown, the second inner cylinder 72 is provided with a fourth inner hole, through which the second inner cylinder 72 is sleeved onto the second insulating sleeve. The adapter cylinder 7 also includes a retaining spring 73 connected to the second inner cylinder 72 and located in the fourth inner hole. The second plug terminal 3 is also provided with a retaining hole 21, and the end of the retaining spring 73 away from the second inner cylinder 72 is inserted into the retaining hole 21. It can be understood that the retaining spring 73 is inserted into the retaining hole 21, thereby preventing the second plug terminal 3 from falling out of the second inner hole 121.

[0042] In one embodiment, if Figure 2 and Figure 3As shown, the bent plug connector also includes a shielding assembly 8; the shielding assembly 8 includes a shielding outer sleeve 81, a shielding inner sleeve 82 and a conductive sleeve 83; a plurality of first notches 811 distributed in an annular manner are provided on the side wall of the shielding outer sleeve 81, and each of the first notches 811 is provided with a first spring piece 812; a plurality of second notches 821 distributed in an annular manner are provided on the side wall of the shielding inner sleeve 82, and each of the second notches 821 is provided with a second spring piece 822; it can be understood that one end of the first spring piece 812 is connected to the inner wall of the first notch 811, and the other end of the first spring piece 812 extends toward the outside of the shielding outer sleeve 81; one end of the second spring piece 822 is connected to the inner wall of the second notch 821, and the other end of the second spring piece 822 extends toward the outside of the shielding inner sleeve 82.

[0043] The conductive sleeve 83 is sleeved onto the second plug terminal 3, the shielding inner sleeve 82 is sleeved onto the conductive sleeve 83, and the shielding outer sleeve 81 is sleeved onto the shielding inner sleeve 82. The first elastic pieces 812 abut against the second elastic pieces 822 in a one-to-one correspondence, and the end of the first elastic piece 812 facing away from the second elastic piece 822 abuts against the inner wall of the second inner hole 121. It can be understood that the inner wall of the shielding inner sleeve 82 is in contact with the outer wall of the conductive sleeve 83, and the outer wall of the shielding inner sleeve 82 abuts against the inner wall of the shielding outer sleeve 81. Preferably, the width of the first elastic piece 812 is greater than the width of the second elastic piece 822.

[0044] In this embodiment, the second spring piece 822 squeezes the first spring piece 812 outward so that the first spring piece 812 is pressed against the inner wall of the second inner hole 121. The first spring piece 812 is not easily separated from the inner wall of the first inner hole 111, thereby ensuring the shielding effect of the bent plug connector.

[0045] In one embodiment, if Figure 1 As shown, the conductive sleeve 83 is provided with a first through-hole, through which the conductive sleeve 83 is sleeved onto the second plug terminal 3. The conductive sleeve 83 is also provided with an annular flange 831 extending away from the first through-hole, and the shielding inner sleeve 82 and the shielding outer sleeve 81 both abut against the annular flange 831. It is understandable that the ends of the shielding inner sleeve 82 and the shielding outer sleeve 81 both abut against the annular flange 831.

[0046] Specifically, the shielding assembly 8 is installed as follows: first, the conductive sleeve 83 is sleeved onto the second plug terminal 3; then, the shielding inner sleeve 82 is sleeved onto the conductive sleeve 83, with the end of the shielding inner sleeve 82 abutting against the annular flange 831; finally, the shielding outer sleeve 81 is sleeved onto the shielding inner sleeve 82, with the end of the shielding outer sleeve 81 abutting against the annular flange 831. In this embodiment, the design of the annular flange 831 ensures the stability of the shielding assembly 8 when sleeved onto the second plug terminal 3.

[0047] In one embodiment, if Figure 1 As shown, the bent plug connector also includes a sealing cylinder 9 sleeved on the second plug terminal 3, and the sealing cylinder 9 is used to seal the opening of the second inner hole 121 away from the end of the first inner hole 111; it can be understood that the end of the sealing cylinder 9 facing away from the second plug terminal 3 abuts against the inner wall of the second inner hole 121.

[0048] The inner wall of the sealing cylinder 9 is provided with a plurality of spaced-apart first annular sealing grooves, and the outer wall of the sealing cylinder 9 is provided with a plurality of spaced-apart second annular sealing grooves. It is understood that the number of the first annular grooves 51 and the second annular grooves 721 can be adjusted based on actual needs. In this embodiment, the design of the plurality of first annular grooves 51 ensures a tight seal when the sealing cylinder 9 is fitted over the second plug terminal 3; the design of the plurality of second annular grooves 721 ensures a tight seal when the second plug terminal 3 is installed in the second inner hole 121.

[0049] In one embodiment, if Figure 1 、 Figure 2 as well as Figure 4 As shown, the bent plug connector also includes a fastening sleeve 10, which includes a fastening cylinder 101 and a limiting arm 102 connected to the fastening cylinder 101, and the limiting arm 102 is provided with a limiting groove 103; the outer wall of the second outer cylinder 12 is provided with a snap-fitting protrusion 122; it can be understood that the fastening cylinder 101 and the limiting arm 102 are an integrally formed part, and the limiting arm 102 is connected to the outer wall of the fastening cylinder 101.

[0050] The fastening sleeve 101 is sleeved onto the second plug terminal 3, and the engaging protrusion 122 is engaged with the limiting groove 103. In this embodiment, the engaging protrusion 122 engaged with the limiting groove 103 can prevent the fastening sleeve 10 from being separated from the second outer sleeve 12. The fastening sleeve 101 is sleeved into the second plug terminal 3, thereby preventing the fastening sleeve 10 from falling out of the second outer sleeve 12 and ensuring the stability of the second plug terminal 3 in the second inner hole 121.

[0051] In one embodiment, if Figure 1 and Figure 2 As shown, an insertion hole 22 is defined at one end of the first plug terminal 2, distal from the second plug terminal 3. The angled plug connector further includes a contact spring 23 mounted within the insertion hole 22. As will be appreciated, the contact spring 23 is a cylindrical member and is electrically connected to the second plug terminal 3. When the angled plug connector is mated with the receptacle connector, the receptacle terminal of the receptacle connector is inserted into the insertion hole 22 and contacts the contact spring 23, thereby completing the electrical connection between the receptacle and angled plug connectors.

[0052] In one embodiment, if Figure 1 and Figure 2 As shown, the angled plug connector further includes a protective member 24 mounted in the insertion hole 22. It is understood that the protective member 24 includes, but is not limited to, a bolt, a plug post, etc. The protective member 24 is inserted into the center of the insertion hole 22 to prevent a user's fingers from being inserted into the insertion hole 22, thereby improving the safety of the angled plug connector.

[0053] The above is merely an embodiment of the angled plug connector of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A curved plug connector, characterized in that: It includes a plug housing, a first plug terminal, a second plug terminal and a fastener; the plug housing includes a first outer cylinder and a second outer cylinder that are vertically arranged and integrally formed; The first plug terminal is installed in the first inner hole of the first outer cylinder, and the second plug terminal is installed in the second inner hole of the second outer cylinder; The first plug terminal is provided with a first fastening hole, the second plug terminal is provided with a second fastening hole, and the fastener is inserted into the first fastening hole and the second fastening hole.

2. The angled plug connector according to claim 1, wherein: The bent plug connector further includes a first insulating sleeve and a second insulating sleeve. The first insulating sleeve is sleeved on the first plug terminal and installed in the first inner hole. The second insulating sleeve is sleeved on the second plug terminal and installed in the second inner hole.

3. The angled plug connector according to claim 2, wherein: The angled plug connector further includes an adapter cylinder, which includes a first inner cylinder and a second inner cylinder that are vertically arranged and integrally formed; the first inner cylinder is installed in the first inner hole, and the second inner cylinder is sleeved on the second insulating sleeve and installed in the second inner hole; A first annular groove is provided on the first insulating sleeve, and a second annular groove is provided on the second inner cylinder; an end of the first inner cylinder away from the second inner cylinder is inserted into the first annular groove; an end of the second insulating sleeve close to the first plug terminal is inserted into the second annular groove.

4. The angled plug connector according to claim 3, wherein: The second inner cylinder is provided with a fourth inner hole, and the second inner cylinder is sleeved on the second insulating sleeve through the fourth inner hole; The adapter tube further includes a limiting spring piece connected to the second inner cylinder and located in the fourth inner hole; the second plug terminal is also provided with a limiting hole, and an end of the limiting spring piece away from the second inner cylinder is inserted into the limiting hole.

5. The angled plug connector according to claim 1, wherein: The bent plug connector further includes a shielding assembly; the shielding assembly includes a shielding outer sleeve, a shielding inner sleeve, and a conductive sleeve; a side wall of the shielding outer sleeve is provided with a plurality of first notches distributed in an annular manner, each of which is provided with a first elastic piece; a side wall of the shielding inner sleeve is provided with a plurality of second notches distributed in an annular manner, each of which is provided with a second elastic piece; The conductive sleeve is sleeved on the second plug terminal, the shielding inner sleeve is sleeved on the conductive sleeve, the shielding outer sleeve is sleeved on the shielding inner sleeve, the first elastic sheet is in one-to-one contact with the second elastic sheet, and the end of the first elastic sheet facing away from the second elastic sheet is in contact with the inner wall of the second inner hole.

6. The angled plug connector according to claim 5, wherein: The conductive sleeve is provided with a first through hole, and the conductive sleeve is sleeved on the second plug terminal through the first through hole; The conductive sleeve is further provided with an annular flange extending away from the first through hole, and both the shielding inner sleeve and the shielding outer sleeve abut against the annular flange.

7. The angled plug connector according to claim 1, wherein: The bent plug connector further includes a sealing cylinder sleeved on the second plug terminal, the sealing cylinder being used to seal an opening of the second inner hole away from one end of the first inner hole; A plurality of first annular sealing grooves are arranged at intervals on the inner wall of the sealing cylinder, and a plurality of second annular sealing grooves are arranged at intervals on the outer wall of the sealing cylinder.

8. The angled plug connector according to claim 1, wherein: The bent plug connector further comprises a fastening sleeve, which comprises a fastening cylinder and a limiting arm connected to the fastening cylinder, wherein the limiting arm is provided with a limiting groove; and a clamping protrusion is provided on the outer wall of the second outer cylinder; The fastening cylinder is sleeved on the second plug terminal, and the clamping protrusion is clamped in the limiting groove.

9. The angled plug connector according to claim 1, wherein: An inserting hole is provided at one end of the first plug terminal away from the second plug terminal, and the bent plug connector further comprises a contact spring installed in the inserting hole.

10. The angled plug connector according to claim 9, wherein: The angled plug connector further includes a protective member installed in the plug hole.

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