Rotatable connector

Abstract

The invention provides a rotatable connector, and relates to the technical field of connectors, the rotatable connector comprises a connector body, a casing and a corrugated elastic sheet, the connector body is provided with an insertion part, the casing is provided with an insertion part, and the insertion part is inserted on the insertion part and can rotate relative to the insertion part; the corrugated elastic sheet is arranged between the connector body and the casing, and two axial sides of the corrugated elastic sheet are always in contact with the connector body and the casing; the plug-in part on the connector body and the plug-in part on the casing are matched with each other to form a plug-in structure, relative rotation of the connector body and the casing can be realized on the basis that the connector body and the casing are firmly mounted and conveniently assembled, the structure is flexible, and the connector body and the casing are always in contact with the corrugated elastic sheets of the connector body and the casing. And the relative rotation process of the connector body and the casing is stable and reliable.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to a rotatable connector. Background Art

[0002] A rotary connector is a connector used to transmit power, signals or data, which is characterized by the ability to achieve rotational motion during the connection process. It allows the plug and socket of the connector to rotate freely without affecting the stability of the connection and the reliability of signal transmission.

[0003] Existing rotary connectors usually consist of two parts: a plug and a socket. The plug is one end of the connector, which is usually connected to the end of a device or a cable, and the socket is the other end of the connector, which is usually installed on a device or a receiving end. The connection between the plug and the socket can achieve rotational movement, but the rotation process of the existing rotary connector is not stable enough when the plug and the socket rotate, which affects the use. Summary of the invention

[0004] The purpose of the present invention is to provide a rotatable connector to solve the above-mentioned technical problems existing in the prior art; the preferred technical solution among the many technical solutions provided by the present invention can produce many technical effects; see the following description for details.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A rotatable connector provided by the present invention comprises a connector body, a housing and a corrugated spring sheet, wherein: the connector body is provided with a plug-in portion, the housing is provided with an inserting portion, the plug-in portion is inserted into the inserting portion and can rotate relative to the inserting portion; the corrugated spring sheet is arranged between the connector body and the housing, and is always in contact with the connector body and the housing on both axial sides.

[0007] Preferably, the plug-in portion is configured as a plug-in column, the plug-in portion is configured as a plug-in slot, and the plug-in slot is adapted to the plug-in column; the corrugated spring sheet is configured as a ring, and the corrugated spring sheet is ring-arranged outside the plug-in column.

[0008] Preferably, a limiting portion is provided on the connector body, and a guiding portion is provided on the casing along the circumference, and the limiting portion is slidably matched with the guiding portion; by rotating the connector body, the limiting portion can slide along the guiding portion and abut against both ends of the guiding portion to limit the rotation angle of the connector body.

[0009] Preferably, the limiting portion is configured as a limiting block, the guiding portion is configured as an arc-shaped guiding groove, the limiting block is adapted to the arc-shaped guiding groove, and the limiting block is slidably disposed in the arc-shaped guiding groove; the curvature of the arc-shaped guiding groove is not greater than 330°.

[0010] Preferably, a first mounting portion and a second mounting portion are sequentially arranged on the outer wall of the plug-in column along the axial direction, and a first sealing member and a second sealing member are respectively arranged on the first mounting portion and the second mounting portion.

[0011] Preferably, a first conical inclined surface is circumferentially arranged on the inner side of the insertion groove, and a second conical inclined surface is circumferentially arranged on the outer wall of the plug-in column, and the second conical inclined surface corresponds to the first conical inclined surface; when the plug-in column is inserted into the insertion groove, the end of the plug-in column can be inserted along the first conical inclined surface and make the second conical inclined surface fit with the first conical inclined surface.

[0012] Preferably, a waterproof filling cavity for injecting glue to fix the wire is provided inside the plug-in column.

[0013] Preferably, a pressing and cutting position is provided on the connector body, and pressing the pressing and cutting position can enable the plug-in portion to be plugged into the insertion portion.

[0014] Preferably, the rotatable connector includes a connector core, which is arranged in the connector body; the inner wall of the connector body is provided with a positioning protrusion, and the outer wall of the connector core is provided with a positioning groove corresponding to the position of the positioning protrusion, the positioning protrusion is adapted to the positioning groove, and the positioning protrusion is inserted in the positioning groove.

[0015] Preferably, the connector inner core is provided with a shielding pin for preventing signal crosstalk.

[0016] The rotatable connector provided by the present invention has at least the following beneficial effects:

[0017] The rotatable connector comprises a connector body, a housing and a corrugated spring sheet, wherein the corrugated spring sheet is used for installing the connector body and the housing.

[0018] The connector body is provided with a plug-in portion, and the housing is provided with an engaging portion. The plug-in portion is inserted into the engaging portion and can rotate relative to the engaging portion. The plug-in structure is adopted, which is stable to install on the one hand and convenient to assemble on the other hand. At the same time, relative rotation between the connector body and the housing can be realized. On the basis of ensuring the transmission effect, the structure is more flexible.

[0019] The corrugated spring sheet is arranged between the connector body and the housing, and both axial sides are always in contact with the connector body and the housing. The corrugated spring sheet has good elastic force. During the rotation process, its two ends always press against and firmly contact the connector body and the housing, which can make the relative rotation between the two more stable and reliable.

[0020] The present invention forms a plug-in structure by cooperating between the plug-in portion on the connector body and the plug-in portion on the casing. On the basis of firm installation and convenient assembly of the connector body and the casing, the relative rotation of the two can be achieved. The structure is flexible, and the relative rotation process of the connector body and the casing is smoother and more reliable through the corrugated spring sheet that is always in contact with the connector body and the casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a structural schematic diagram of the present invention from one viewing angle;

[0023] Figure 2 It is a structural schematic diagram of another perspective of the present invention;

[0024] Figure 3 It is a cross-sectional schematic diagram of the arc-shaped guide groove and the limit block part of the present invention;

[0025] Figure 4 is a cross-sectional schematic diagram of the present invention;

[0026] Figure 5 It is an enlarged view of the A part of the present invention;

[0027] Figure 6 It is an enlarged view of part B of the present invention;

[0028] Figure 7 It is an enlarged view of the C portion of the present invention.

[0029] Reference numerals

[0030] 1. Connector body; 11. Plug-in column; 12. Limit block; 13. First mounting groove; 14. Second mounting groove; 15. Second conical slope; 16. Waterproof filling cavity; 17. First annular groove; 18. Positioning protrusion; 19. Press cutting position; 2. Housing; 21. Insertion groove; 22. Arc guide groove; 23. First conical slope; 24. Second annular groove; 3. Corrugated spring sheet; 4. Connector inner core; 41. Positioning groove; 42. Shielding pin; 5. First sealing member; 6. Second sealing member. DETAILED DESCRIPTION

[0031] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0032] Embodiment 1:

[0033] The present invention provides a rotatable connector, referring to Figures 1 to 7 As shown, the rotatable connector includes a connector body 1, a housing 2 and a corrugated spring sheet 3.

[0034] The connector body 1 is provided with a plug-in portion, and the housing 2 is provided with an inserting portion, the plug-in portion is adapted to the inserting portion, the plug-in portion is inserted on the inserting portion, and can rotate relative to the inserting portion.

[0035] The corrugated spring piece 3 is arranged between the connector body 1 and the housing 2 . The corrugated spring piece 3 is arranged in a corrugated shape and has good elasticity. Both axial sides thereof always contact and press the connector body 1 and the housing 2 .

[0036] During installation, the plug-in portion is aligned with the plug-in portion, and two sides of the corrugated spring sheet 3 are respectively in contact with the connector body 1 and the housing 2 .

[0037] When the connector body 1 is rotated, the connector body 1 is moved, and the plug-in portion and the plug-in portion rotate relative to each other.

[0038] During this process, the corrugated spring sheet 3 always contacts and presses the connector body 1 and the housing 2 by its own elastic force, so that the relative rotation between the connector body 1 and the housing 2 is more stable.

[0039] The connector body 1 and the housing 2 of the present invention adopt a plug-in structure, which is not only firmly installed but also convenient to assemble, and can realize relative rotation, with flexible structure and convenient use.

[0040] By applying a force to the connector body 1 and the housing 2 during the rotation process through the corrugated spring sheet 3, the stability of the rotation process can be effectively improved.

[0041] Embodiment 2:

[0042] Example 2 is based on Example 1:

[0043] like Figures 1 to 7 As shown, the plug-in portion is configured as a plug-in column 11 , and the plug-in portion is configured as a plug-in slot 21 , and the plug-in slot 21 matches the size of the plug-in column 11 .

[0044] The corrugated spring piece 3 is arranged in a ring shape and is arranged on the outer side of the plug-in column 11 .

[0045] Specifically, a first annular groove 17 is provided on the end face of the connector body 1 connected to the plug-in column 11, and a second annular groove 24 is provided at a position corresponding to the first annular groove 17 of the housing 2. The first annular groove 17 and the second annular groove 24 form a combined mounting groove for mounting the corrugated spring piece 3.

[0046] As an optional implementation, a limiting portion is provided on the connector body 1, and a guiding portion is provided on the housing 2 along the circumferential direction, and the limiting portion is slidably matched with the guiding portion.

[0047] When the connector body 1 is rotated, the limiting portion can slide along the guide portion and abut against two ends of the guide portion, thereby limiting the rotation angle of the connector body 1 .

[0048] The limiting portion and the guiding portion cooperate with each other, which can effectively limit the rotation trajectory of the connector body 1 on the one hand, making the rotation process more stable, and can effectively limit the extreme rotation angle of the connector body 1 on the other hand.

[0049] As an optional embodiment, the limiting portion is configured as a limiting block 12, the limiting block 12 is integrally arranged with the connector body 1, the guiding portion is configured as an arc-shaped guide groove 22, the arc-shaped guide groove 22 is arranged at the outer position of the outer notch of the insertion groove 21, the limiting block 12 is adapted to the arc-shaped guide groove 22, and the limiting block 12 is slidably arranged in the arc-shaped guide groove 22.

[0050] The two ends of the arc-shaped guide groove 22 form a first limit and a second limit, and the rotation angle of the connector body 1 is limited by limiting the limit block 12 .

[0051] In actual application, the curvature of the arc-shaped guide groove 22 is customized according to user needs. Preferably, the curvature of the arc-shaped guide groove 22 is not greater than 330°.

[0052] As an optional embodiment, a first mounting portion and a second mounting portion are sequentially provided on the outer wall of the plug-in column 11 along the axial direction, the first mounting portion is provided as a first mounting groove 13 , and the second mounting portion is provided as a second mounting groove 14 .

[0053] A first sealing member 5 is disposed in the first installation groove 13 . The first sealing member 5 is a sealing ring with a circular cross section.

[0054] A second sealing member 6 is disposed in the second installation groove 14 . The second sealing member 6 is a sealing ring with a rectangular cross section.

[0055] Multiple seals are used to cooperate with each other, and the sealing effect is remarkable.

[0056] As an optional embodiment, a first conical slope 23 is circumferentially provided on the inner side of the insertion groove 21, and a second conical slope 15 is circumferentially provided on the outer wall of the plug-in column 11. The second conical slope 15 corresponds to the first conical slope 23 and has matching dimensions.

[0057] When the plug-in column 11 is inserted into the insertion groove 21 , the end of the plug-in column 11 slides and inserts along the first conical inclined surface 23 , and the first conical inclined surface 23 fits with the second conical inclined surface 15 .

[0058] The setting of the first conical inclined surface can, on the one hand, form a guide groove with an inclination to facilitate insertion, and on the other hand, when the insertion is in place, the second conical inclined surface fits therewith, which can further improve the rotation stability.

[0059] As an optional embodiment, a waterproof filling cavity 16 is provided inside the plug-in column 11 .

[0060] During installation, the terminals of the connector core 4 are welded with wires, which pass through the waterproof filling cavity 16 and are placed in the casing 2, connected to the PCB circuit board, and then glue is injected into the waterproof filling cavity 16, which can fix the wires on the one hand and improve the sealing effect on the other hand, thereby improving the waterproof performance of the connector.

[0061] As an optional embodiment, the connector body 1 is provided with pressing and cutting positions 19, and the number of the pressing and cutting positions 19 is set to two, which are symmetrically distributed. During assembly, the pressing and cutting positions 19 are pushed to enable the plug-in portion to be plugged into the insertion portion.

[0062] The arrangement of the pressing cutting position 19 helps to achieve quick installation of the connector body 1 and the housing 2 .

[0063] As an optional embodiment, the rotatable connector includes a connector inner core 4 , which is disposed in the connector body 1 .

[0064] The inner wall of the connector body 1 is provided with a positioning protrusion 18 , and the outer wall of the connector inner core 4 is provided with a positioning groove 41 corresponding to the position of the positioning protrusion. The positioning protrusion 18 is set as a rib, and the positioning groove 41 is adapted to the positioning protrusion 18 , and the positioning protrusion 18 is inserted into the positioning groove 41 .

[0065] The positioning protrusion 18 and the positioning groove 41 cooperate with each other, which can effectively prevent the connector inner core 4 and the connector body 1 from rotating relative to each other during use, thereby effectively avoiding component damage.

[0066] As an optional implementation, the connector inner core 4 is provided with a shielding pin 42, which can effectively prevent signal crosstalk.

[0067] Specifically, the rotatable connector of the present invention is of universal design and highly replaceable. The components inside it can be arbitrarily replaced with models that comply with the IEC61076-2 standard; for example, A-code, D-code, X-code, Y-code, S-code, etc., with various models.

[0068] In the description of the present application, it should be understood that the terms "upper", "lower", "inside", "outside", "top", "bottom", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application 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 should not be understood as a limitation on the present application.

[0069] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, "multiple" or "several" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0070] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0071] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A rotatable connector, characterized in that: It includes a connector body, a housing and a corrugated spring, wherein: The connector body is provided with a plug-in portion, the housing is provided with an inserting portion, the plug-in portion is inserted into the inserting portion, and can rotate relative to the inserting portion; The corrugated spring sheet is arranged between the connector body and the housing, and both axial sides thereof are always in contact with the connector body and the housing.

2. The rotatable connector according to claim 1, characterized in that: The plug-in portion is configured as a plug-in column, the plug-in portion is configured as a plug-in slot, and the plug-in slot is adapted to the plug-in column; The corrugated spring piece is arranged in a ring shape, and the corrugated spring piece is arranged in a ring outside the plug-in column.

3. The rotatable connector according to claim 1, characterized in that: The connector body is provided with a limiting portion, the housing is provided with a guiding portion along the circumferential direction, and the limiting portion is slidably matched with the guiding portion; By rotating the connector body, the limiting portion can slide along the guide portion and abut against two ends of the guide portion to limit the rotation angle of the connector body.

4. The rotatable connector according to claim 3, characterized in that: The limiting portion is configured as a limiting block, the guiding portion is configured as an arc-shaped guiding groove, the limiting block is adapted to the arc-shaped guiding groove, and the limiting block is slidably disposed in the arc-shaped guiding groove; The arc angle of the arc-shaped guide groove is not greater than 330°.

5. The rotatable connector according to claim 2, characterized in that: A first mounting portion and a second mounting portion are sequentially arranged on the outer wall of the plug-in column along the axial direction, and a first sealing member and a second sealing member are respectively arranged on the first mounting portion and the second mounting portion.

6. The rotatable connector according to claim 2, characterized in that: A first conical inclined surface is arranged on the inner side of the insertion groove along the circumferential direction, and a second conical inclined surface is arranged on the outer wall of the insertion column along the circumferential direction, and the second conical inclined surface corresponds to the first conical inclined surface; When the plug-in column is inserted into the insertion groove, the end of the plug-in column can be inserted along the first conical inclined surface, and the second conical inclined surface is fitted with the first conical inclined surface.

7. The rotatable connector according to claim 2, characterized in that: The interior of the plug-in column is provided with a waterproof filling cavity for injecting glue to fix the wire.

8. The rotatable connector according to claim 1, characterized in that: The connector body is provided with a pressing and cutting position, and pressing the pressing and cutting position can make the plug-in portion and the plug-in portion plug-in.

9. The rotatable connector according to claim 1, characterized in that: The rotatable connector comprises a connector inner core, and the connector inner core is arranged in the connector body; The inner wall of the connector body is provided with a positioning protrusion, and the outer wall of the connector inner core is provided with a positioning groove corresponding to the position of the positioning protrusion. The positioning protrusion is adapted to the positioning groove, and the positioning protrusion is inserted into the positioning groove.

10. The rotatable connector according to claim 9, characterized in that: The connector inner core is provided with a shielding pin for preventing signal crosstalk.

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