CN221009403U - Electric connector and artificial cochlea - Google Patents

Abstract

The utility model discloses an electric connector and an artificial cochlea, wherein the electric connector comprises a female head and a male head, the female head comprises a swivel, a first base and a first electric connecting piece, and the male head comprises a second base, a second electric connecting piece and a second clamping part; the first base is sleeved with a swivel, a first clamping part is arranged on the swivel, and a first electric connecting piece is arranged on the first base; the second base is matched with the first base, a second electric connecting piece is arranged on the second base, and a second clamping part is arranged outside the second base; when the female head is inserted into the male head, the first electric connecting piece is contacted with the second electric connecting piece, the swivel is rotated, and the first clamping part and the second clamping part are in buckle connection. The female and male heads are in direct insertion connection, so that friction loss to the electric connector caused by rotary connection is reduced, and the possibility of damage to the electric connector is reduced.

Description

Electric connector and artificial cochlea

Technical Field

The utility model relates to the technical field of electricity, in particular to an electric connector for an artificial cochlea or a hearing aid and the artificial cochlea.

Background

The connector is a device for connecting one circuit electric conductor with another circuit electric conductor or one transmission element with another transmission element, and the electric connector performs protection grounding and signal transmission among components and parts, parts and parts, system software and system software, which are essential basic elements for forming a detailed system software. Besides meeting the general electrical performance requirements, the electrical connector for the artificial cochlea speech processor or the hearing aid also meets the requirements of good contact, reliable work, small structure and convenient maintenance, and has very strict requirements on the quality and the reliability of the electrical connector, so that the electrical connector is widely applied to artificial cochlea systems and hearing aid products due to the high quality and the high reliability of the electrical connector.

The existing electric connector has the connection modes of threaded connection, bayonet (quick) connection, locking connection, push-pull connection, direct plug-in connection and the like. The bayonet is prevented from loosening because the connection mode needs to be screwed in a rotating way, the whole action process is quite time-consuming although simple, and the disassembly can be performed only by the rotation in the same way, so that the time-consuming problem of assembly and disassembly cannot be improved; some rotating processes have friction to the spring needle, so that the loss to the spring needle is large for a long time, and the service life and the connection reliability of the connector are reduced.

Therefore, it is necessary to provide an electrical connector, which reduces the possibility of damage to the spring pins, increases the reliability of the electrical connector, and prolongs the service life.

Disclosure of utility model

The utility model aims to provide an electric connector, which reduces the possibility of damage caused by friction of a spring pin and a fixed pin, increases the reliability of the electric connector and prolongs the service life.

In order to achieve the above purpose, the technical scheme adopted by the utility model is to provide an electric connector, which comprises a female head and a male head, wherein the female head comprises a swivel, a first base and a first electric connecting piece, and the male head comprises a second base, a second electric connecting piece and a second clamping part; the swivel is sleeved outside the first base, a first clamping part is arranged on the swivel, and the first electric connecting piece is arranged on the first base; the second base is matched with the first base, the second electric connecting piece is arranged on the second base, and the second clamping part is arranged outside the second base; when the female connector is inserted into the male connector, the first electric connecting piece is contacted with the second electric connecting piece, the swivel is rotated, and the first clamping part is in clamping connection with the second clamping part.

Further, the female head comprises a first supporting plate, and the first base is arranged on the first supporting plate in a penetrating manner; or/and, the male head comprises a second supporting plate, the second base is arranged on the second supporting plate in a penetrating way, and the second clamping part is arranged on the second supporting plate; and/or the number of the groups of groups,

The sleeve is sleeved outside the first base, the swivel is sleeved outside the sleeve, and the first end of the second base is inserted into the sleeve to be in butt joint with the first base.

Further, one end of the sleeve forms a flange radially outwardly, and the swivel is retained between the flange and the first support plate.

Further, a damping ring is included, the damping ring being disposed between the swivel and the sleeve.

Further, the inner wall of the sleeve and the outer wall of the first base are respectively provided with matched convex strips and grooves along the axial direction.

Further, the second support plate is provided with a mounting hole, the second base is arranged in the mounting hole, and the inner wall of the mounting hole and the outer wall of the second base are respectively provided with matched convex strips and grooves along the axial direction.

Further, the sealing ring is arranged outside the second base and close to the top surface of the second supporting plate, and the sealing ring is in contact with the second end face of the sleeve.

Further, the swivel comprises a handle and an annular body, the annular body is sleeved outside the sleeve, the handle is arranged on the annular body, two first clamping parts are symmetrically arranged on the annular body, and two fixing columns with second clamping parts are symmetrically arranged beside the second base.

Further, the first electric connector is a plurality of fixed needles, the second electric connector is a plurality of elastic needles, or the first electric connector is a plurality of elastic needles, the second electric connector is a plurality of fixed needles, and the fixed needles correspond to the elastic needles in number and positions. An artificial cochlea comprises the electric connector.

Compared with the prior art, the utility model has the following beneficial effects: according to the electric connector provided by the utility model, through the arrangement of the swivel, when the first base is connected with the second base, the first electric connecting piece is contacted with the second electric connecting piece, so that electric connection is realized, and then the swivel is rotated, so that the first clamping part is clamped with the second clamping part, and further, the male head and the female head are clamped, and by adopting the electric connector, the male head can be directly inserted into the female head, and then the male head and the female head are clamped through the swivel, so that the friction loss to the electric connecting piece caused by rotary connection is reduced, and the possibility of damaging the electric connecting piece is reduced; the rotary ring is rotated after the male head and the female head are inserted, so that the male head and the female head are in buckle connection, self-locking of the electric connector is realized, and the service life of the electric connector is prolonged.

Drawings

FIG. 1a is a schematic diagram of a female head according to an embodiment of the present utility model; FIG. 1b is an exploded view of a female in an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a male in an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the structure of the male and female connectors according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a male and female connection structure according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a male and female connection according to an embodiment of the present utility model;

Fig. 6 is a schematic cross-sectional view of the male and female connection structure according to an embodiment of the present utility model.

In the figure:

1-female, 11-first support plate, 111-third mounting hole, 12-first base, 121-first mounting hole, 122-first groove, 13-swivel, 131-bayonet, 132-handle, 133-annular body, 134-first clamping groove, 14-needle, 15-sleeve, 151-flange, 152-first convex strip, 16-damping ring, 2-male, 21-second support plate, 211-fourth mounting hole, 22-second base, 221-second mounting hole, 222-second clamping groove, 23-spring needle, 24-sealing ring, 25-fixing post, 251-bead.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected, can also be indirectly connected through an intermediate medium, and can also be the communication between the two elements; either mechanically or electrically. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case. The term "axial" as used herein refers to a direction in which or parallel to a central axis of the first base, and the terms "center", "upper", "lower", "front", "rear", "left", "right", etc. refer to an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1a and fig. 3, the electrical connector provided in the present embodiment includes a female head 1 and a male head 2, the female head 1 includes a swivel 13, a first base 12 and a first electrical connector, and the male head 2 includes a second base 22, a second electrical connector and a second clamping portion; the first base 12 is sleeved with a swivel 13, a first clamping part is arranged on the swivel 13, and the first electric connecting piece is arranged on the first base 12; the second base 22 is matched with the first base 12, the second electrical connector is arranged on the second base 22, and the second clamping part is arranged outside the second base 22; when the female head 1 is inserted into the male head 2, the first electric connecting piece is contacted with the second electric connecting piece, electric connection is achieved, the swivel 13 is rotated, the first clamping part is in clamping connection with the second clamping part, the male head 2 is clamped with the female head 1, self-locking of the electric connector is achieved, and the service life of the electric connector is prolonged.

Referring to fig. 1b, in one embodiment, the female head 1 comprises a first support plate 11, a swivel 13, a first base 12, a sleeve 15 and a first electrical connection. Specifically, the first base 12 is a cylinder, penetrates through the first support plate 11, and is internally and axially penetrated through the first base 12, a plurality of first mounting holes 121 are formed in the first base 12, the first electric connector is a plurality of fixed needles 14, the female head 1 is connected with the cable through the fixed needles 14, the fixed needles 14 are correspondingly mounted in the first mounting holes 121, preferably, the fixed needles 14 are in interference fit with the first mounting holes 121, and the first ends of the fixed needles 14 protrude out of the top surface of the first base 12.

Be provided with third mounting hole 111 on the first backup pad 11, sleeve 15 is cup jointed outside the first base 12, preferably, first base 12 and sleeve 15 interference fit, sleeve 15 sets up foolproof characteristic, specifically, the inner wall of sleeve 15 sets up sand grip 152 along the axial, the outer wall of first base 12 is provided with the recess 122 that matches with sand grip 152, the recess 122 is pegged graft on sand grip 152, during the installation, make the recess 122 aim at behind the sand grip 152 insert first base 12 in sleeve 15, sand grip 152 plays the guide effect for the position of needle 14 is uniquely confirmed after first base 12 inserts. In other embodiments, a groove may be formed in the inner wall of the sleeve 15, and a protrusion matched with the groove is formed on the outer wall of the first base 12, where the groove is inserted into the protrusion, and the guiding foolproof function is also achieved. The outer side of the first end of the sleeve 15 is fixedly installed in the third installation hole 111, the sleeve 15 and the supporting plate 1 can be fixed through welding, the second end of the sleeve 15 protrudes out of the second end of the first base 12 in the axial direction, and as shown in fig. 5, the first end of the second base 22 is inserted into the sleeve 15 to be in butt joint with the first base 12.

The swivel 13 is rotatably disposed outside the sleeve 15, in an embodiment, the swivel 13 includes a handle 132 and an annular body 133, the annular body 133 is sleeved outside the sleeve 15, the handle 132 is disposed on the annular body 133, preferably, the handle 132 extends outwards from the annular body 133 to form an integral structure, when in operation, the handle 132 is held by hand to apply an external force anticlockwise or clockwise, so that the swivel 13 can rotate relative to the sleeve 15, in a specific embodiment, two first clamping portions are symmetrically disposed on the annular body 133, and in an embodiment, the first clamping portions are bayonets 131 formed by slotting on radially outwards protruding portions of the annular body 133. The second end of the sleeve 15 radially outwards forms a flange 151, the swivel 13 is limited between the flange 151 and the first supporting plate 11, the swivel 13 is close to the first supporting plate 11 to form a first clamping groove 134, a damping ring 16 is sleeved at the first clamping groove 134, friction force between the swivel 13 and the sleeve 15 is increased, random rotation between the swivel 13 and the sleeve 15 is prevented, a stable state between the swivel 13 and the sleeve 15 is kept, a release preventing structure formed by clamping ribs 251 on the bayonet 131 and the fixing column 25 is achieved, and the damping ring 16 plays a role of relieving and preventing looseness together, so that mechanical connection is more reliable.

Referring to fig. 2 and 3, in an embodiment, the male 2 includes a second support plate 21, a second base 22 and a second electrical connector, the second support plate 21 is penetrated and provided with the second base 22, the second base 22 is adapted to the first base 12, the second base 22 is a cylinder, preferably, the diameter of the second base 22 is the same as that of the first base 12, the second base 22 is axially penetrated and provided with a plurality of second mounting holes 221, the second electrical connector is a plurality of pins 23, the male 2 is connected with the cable through the pins 23, the plurality of pins 23 are correspondingly mounted in the plurality of second mounting holes 221, preferably, the pins 23 and the second mounting holes 221 are in interference fit, the first end of the pins 23 protrudes out of the top surface of the second base 22, so that when the female 1 is butted with the male 2, the female 1 compresses the pins 23, and the pins 14 are continuously stressed by the pins 23, so as to realize continuous and stable electrical connection of the female cable and the male cable, and the stable electrical connector are ensured. In other embodiments, the first electrical connector may be a plurality of pins, and the second electrical connector may be a plurality of pins, so long as the pins and the pins are contacted to form an electrical connection when the female head 1 is plugged into the male head 2. The first electrical connector and the second point connector may also be spring plates or the like.

The number and the positions of the first mounting holes 121 and the second mounting holes 221 are matched, so that the fixed pins 14 and the spring pins 23 are in one-to-one correspondence, the second support plate 21 is provided with a fourth mounting hole 211, the second base 22 and the fourth mounting hole 211 are in interference fit, further, similar to the sleeve 15, the second support plate 21 is also provided with a foolproof structure, specifically, the inner wall of the fourth mounting hole 221 is provided with a convex strip (not shown in the figure and similar to the convex strip 152) along the axial direction, the outer wall of the second base 22 is provided with a groove matched with the convex strip, during mounting, the groove is aligned with the convex strip, the second base 22 is installed in the fourth mounting hole 221, the convex strip plays a guiding role, and the position of the spring pin 23 is uniquely determined, so that the positions of the spring pins 23 and the fixed pins 14 are in one-to-one correspondence, and the direct plug-in connection of the female head 1 and the male head 2 is realized. In other embodiments, a groove may be disposed on the inner wall of the fourth mounting hole 221 along the axial direction, and a convex strip matched with the groove may be disposed on the outer wall of the second base 22, and inserted into the groove to perform the guiding foolproof function. The second base 22 is close to the second supporting plate 21 and forms an annular second clamping groove 222, the sealing ring 24 is arranged in the second clamping groove 222, and when the female head 1 and the male head 2 are inserted, the sealing ring 24 is contacted with the second end face of the sleeve 15, so that the waterproof effect is achieved, gaps can be eliminated, and the male head 2 and the female head 1 are connected more tightly.

In the specific installation, the sealing ring 24 is installed in the second clamping groove 222 of the second base 12, the spring needle 23 and the second installation hole 221 in the second base 22 are fixed through interference fit, and then are installed in the fourth installation hole 221 of the second supporting plate 21 together.

Two fixing columns 25 with second clamping portions are symmetrically arranged on two sides of the second base 22 and correspond to the bayonets 131 of the first clamping portions, the second clamping portions are ribs 251 arranged on the fixing columns 25, the section main bodies of the fixing columns 25 are approximately 7-shaped, the distance between the end sides of the two fixing columns 25 is matched with the outer diameter of the annular body 133 of the sleeve 15, and the ribs 251 matched with the bayonets 131 are arranged on the bottom sides of the two fixing columns 25.

Referring to fig. 4, fig. 5 and fig. 6, when the female head 1 is plugged into the male head 2, the first end of the second base 22 enters the sleeve 15 and is in butt joint with the first base 12, the first end of the spring needle 23 enters the first mounting hole 121 and is in electrical connection with the second end of the fixed needle 14, the handle 132 of the rotating ring 13 is rotated, the bayonet 131 is clamped with the convex edge 251 to form an anti-falling mechanism, the spring needle 23 and the fixed needle 14 form tight electrical contact connection, and the contact surface of the female head 1 and the male head 2 is provided with a gasket to play a waterproof role, and a gap can be eliminated to enable the connection to be closer in place. The electric connector provided by the utility model can be used for an artificial cochlea or a hearing aid.

The materials of the first supporting plate 11, the second supporting plate 21, the swivel 13, the sleeve 15, the fixed needle 14 and the spring needle 23 are all metal, preferably titanium alloy, so that the fixing strength and the abrasion loss are increased. The first base 12 and the second base 22 are made of insulating materials, preferably plastic, so as to facilitate the electrical conduction of the electrical connector; the damping ring 16 and the sealing ring 24 are preferably made of silica gel.

The artificial cochlea comprises the electric connector described in any embodiment, and the electric connector is small in size, not easy to complicate in structure and high in self-locking requirement, so that the electric connector structure can be adopted.

In summary, according to the electrical connector provided by the utility model, the second base of the male head is directly inserted into the sleeve on the female head, the spring needle is in contact electrical connection with the fixed needle, and the direct insertion type connection is adopted, so that friction loss on the spring needle caused by rotary connection is reduced, and the possibility of damage to the spring needle is reduced; the rotary ring is rotated after the male head and the female head are spliced, so that the bayonet and the convex edge are clamped, the self-locking of the electric connector is realized, the service life of the electric connector is prolonged, and particularly, the anti-loosening effect is jointly relieved with the damping ring on the female head, so that the mechanical connection is more reliable, the sealing ring is arranged on the contact surface of the female head and the male head, the waterproof effect is realized, the gap can be eliminated, and the connection is more compact in place. Therefore, the electric connector provided by the utility model has a simple structure and rich functions.

While the utility model has been described with reference to the preferred embodiments, it is not intended to limit the utility model thereto, and it is to be understood that other modifications and improvements may be made by those skilled in the art without departing from the spirit and scope of the utility model, which is therefore defined by the appended claims.

Claims (10)

1. An electrical connector, characterized in that: the female head comprises a swivel, a first base and a first electric connecting piece, and the male head comprises a second base, a second electric connecting piece and a second clamping part;

The swivel is sleeved outside the first base, a first clamping part is arranged on the swivel, and the first electric connecting piece is arranged on the first base;

The second base is matched with the first base, the second electric connecting piece is arranged on the second base, and the second clamping part is arranged outside the second base;

When the female connector is inserted into the male connector, the first electric connecting piece is contacted with the second electric connecting piece, the swivel is rotated, and the first clamping part is in clamping connection with the second clamping part.

2. The electrical connector of claim 1, wherein: the female head comprises a first supporting plate, and the first base is arranged on the first supporting plate in a penetrating mode; or/and, the male head comprises a second supporting plate, the second base is arranged on the second supporting plate in a penetrating way, and the second clamping part is arranged on the second supporting plate; and/or the sleeve is sleeved outside the first base, the swivel is sleeved outside the sleeve, and the first end of the second base is inserted into the sleeve to be in butt joint with the first base.

3. The electrical connector of claim 2, wherein: one end of the sleeve forms a flange radially outwards, and the swivel is limited between the flange and the first supporting plate.

4. The electrical connector of claim 2, wherein: the damping device comprises a damping ring, wherein the damping ring is arranged between the rotating ring and the sleeve.

5. The electrical connector of claim 2, wherein the inner wall of the sleeve and the outer wall of the first base are provided with mating ribs and grooves, respectively, along the axial direction.

6. The electrical connector of claim 2, wherein the second support plate has a mounting hole, the second base is disposed in the mounting hole, and a matching protrusion and a matching groove are disposed on an inner wall of the mounting hole and an outer wall of the second base along an axial direction.

7. The electrical connector of claim 2, comprising a seal ring disposed outside the second base and adjacent the top surface of the second support plate, the seal ring contacting the second end face of the sleeve.

8. The electrical connector of claim 2, wherein the swivel comprises a handle and an annular body, the annular body is sleeved outside the sleeve, the handle is arranged on the annular body, the annular body is symmetrically provided with two first clamping parts, and the second support plate is symmetrically provided with two fixing columns with second clamping parts.

9. The electrical connector of claim 1, wherein: the first electric connecting piece is a plurality of fixed needles, the second electric connecting piece is a plurality of elastic needles, or the first electric connecting piece is a plurality of elastic needles, the second electric connecting piece is a plurality of fixed needles, and the fixed needles correspond to the elastic needles in number and positions.

10. A cochlear implant comprising an electrical connector according to any of claims 1-9.