CN210838308U

CN210838308U - Electric connector and electric connector assembly

Info

Publication number: CN210838308U
Application number: CN201921962437.8U
Authority: CN
Inventors: 沈超
Original assignee: Dongtai Zhengyao Precision Technology Co ltd
Current assignee: Dongtai Zhengyao Precision Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-23
Anticipated expiration: 2029-11-13

Abstract

The utility model provides an electric connector and electric connector subassembly, the electric connector include insulator, fixing in insulator's conductive terminal, cover are located insulator outer casing and rotatable installing rotate the piece outside the casing, rotate the linking arm that rotates a pair of rotor arm of being connected and link to each other a pair of rotor arm including relative setting and with the casing, the electric connector still have install in padlock spare on the linking arm, padlock spare for the linking arm is portable set up in order to realize with hang between the casing detain and the separation, work as the rotor arm rotates to initial hasp state back by initial butt joint state under docking connector's the insertion force effect, padlock spare is by first position translation to second position, and then with the hangers that sets up on the casing are hung and are detained in order to realize the secondary locking mutually. The utility model discloses electric connector and electric connector component have good lock and attach power in order to guarantee electric connection's stability.

Description

Electric connector and electric connector assembly

Technical Field

The utility model relates to an electric connector and electric connector component.

Background

Electrical connectors are indispensable elements in electronic and electrical devices. With the generation of electrical and electronic devices, electrical connectors have been developed into rather mature products. It is necessary for electrical connectors to be able to contact signals or currents stably and reliably at high speeds. Generally, an electrical connector assembly generally includes a plug connector and a receptacle connector that are mated with each other, and after the plug connector and the receptacle connector are plugged, the locking force between the plug connector and the receptacle connector is insufficient, which may cause poor electrical contact; in particular, a large locking force is required under high voltage to prevent the plug connector and the receptacle connector from being loosened to cause poor electrical contact.

Accordingly, there is a need for an improved electrical connector and electrical connector assembly to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector and electric connector component with stronger lock power of attaching.

In order to achieve the above object, the present invention provides an electrical connector, which comprises an insulative housing, a conductive terminal fixed on the insulative housing, a housing sleeved outside the insulative housing, and a rotatable member rotatably mounted outside the housing, the rotating part comprises a pair of rotating arms which are oppositely arranged and are rotatably connected with the shell and a connecting arm which connects the pair of rotating arms, the electric connector is also provided with a latch piece arranged on the connecting arm, the latch piece can be movably arranged relative to the connecting arm to realize latching and separation with the shell, when the rotating arm rotates from the initial unmated state to the initial latched state under the insertion force of the butting connector, the padlock part is translated to the second position from the first position, and then is buckled with the hangers arranged on the shell to realize secondary locking.

As a further improvement of the utility model, the linking arm has from initial not butt joint state rotate to be close to gradually when initial latched state the first side of casing and with the relative second side that sets up in first side, work as the rotor arm rotates when to latched state, the second side sets up to the top, the padlock piece along from the direction lock joint of the directional first side in second side in the linking arm, and along with electric connector's butt joint direction vertically horizontal direction translation with the hangers is hung and is detained or the separation mutually.

As a further improvement of the present invention, the latch member has an operating portion and a latching portion located on the non-operating side of the operating portion, the latching portion is perpendicular to the non-operating surface of the operating portion.

As a further improvement of the utility model, the linking arm is equipped with the mounting groove and is located the at least a pair of slot of mounting groove both sides, it still has and is located to hang the latch fitting piece a pair of at least of operating portion both sides inserts the arm, insert the arm branch and arrange in hang the both sides of detaining the portion, just insert the arm and insert in corresponding slot on the linking arm and through the buckle convex part that inserts the terminal setting of arm come the lock joint in the slot.

As a further improvement of the present invention, the connecting arm further has a first identification portion located in the mounting groove and a shielding portion shielding the mounting groove portion, the first identification portion and the shielding portion are disposed on both sides of the mounting groove in the transverse direction, the latch member further has a second identification portion located on one side of the operation portion in the transverse direction, when the latch member is at the first position, the second identification portion is covered by the shielding portion and the first identification portion is exposed on the other side of the operation portion; when the padlock piece is in the second position, the operation part covers the first identification part and the second identification part is exposed in the mounting groove.

As a further improvement of the utility model, a pair of rotor arm symmetry set up in the linking arm is in the ascending both sides of transverse direction, each the rotor arm have the concave spout of locating on its medial surface and with the adjacent elastic arm that sets up of spout, the spout is the arc and does not follow transverse direction and will the rotor arm runs through.

As a further improvement of the present invention, the housing has a pair of tube portions arranged side by side and connected to each other in the transverse direction, and is located the accommodating portion in the front side of the tube portions and the connecting bridge connected to the pair of tube portions at the upper side thereof, the hanging lug stands on the upper surface of the connecting bridge, and the hanging lug is L-shaped and protrudes backwards from the top end thereof to form a tongue portion.

As a further improvement of the present invention, the accommodating portion includes an outer accommodating portion located outside, an inner accommodating portion located inside the outer accommodating portion and a protruding portion located on both sides of the outer accommodating portion in the transverse direction, the rotatable accommodating portion is accommodated in a corresponding pivot hole provided by the rotating arm, the outer accommodating portion is spaced apart from the inner accommodating portion to form an accommodating space located therebetween, and at least a portion of the insulating body is inserted into the accommodating space.

As a further improvement, the elastic arm has and is close to the stiff end that the linking arm set up and keep away from the free end that the linking arm set up, the elastic arm is equipped with and is located its free end and inwards outstanding in the protruding portion of medial surface, the portion of acceping has a pair of fluting of forming from its front end undercut outward, works as when the rotor arm is in initial butt joint state, the protruding portion is acceptd and is spacing in corresponding fluting.

The utility model also provides an electric connector subassembly, electric connector subassembly includes electric connector and the butt connector who pairs with this electric connector, the lug of butt connector both sides gets into in the corresponding spout of rotor arm both sides, and drive the rotor arm rotates to initial hasp state.

The utility model has the advantages that: the utility model discloses electric connector and electric connector subassembly have good lock power of attaching to realize diversified locking effect between electric connector and the butt joint connector, electric connection's reliability between reinforcing electric connector and the butt joint connector.

Drawings

Fig. 1 is a perspective assembly view of the electrical connector of the present invention in an initial unmated state.

Fig. 2 is a perspective assembly view of the electrical connector shown in fig. 1 in an initial latched state.

Fig. 3 is a perspective assembly view of the electric connector and the butting connector after the butting and secondary locking.

Fig. 4 is a perspective assembly view of an electrical connector of the electrical connector assembly shown in fig. 3.

Fig. 5-6 are partially exploded views of the electrical connector shown in fig. 4.

Fig. 7 is a perspective view of a rotating member of the electrical connector shown in fig. 4.

Fig. 8 is a perspective view of the rotating member and the latch member shown in fig. 7 assembled.

Fig. 9 is a schematic cross-sectional view of a portion of the electrical connector shown in fig. 4.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.

Referring to fig. 1 to 9, an electrical connector and an electrical connector assembly according to a preferred embodiment of the present invention are shown, the electrical connector assembly includes an electrical connector 100 and a mating connector 200, for convenience of description, the electrical connector 100 is described below with a mating end as a front end and another end opposite to the mating end as a rear end.

The electrical connector 100 includes an insulating body 1, a conductive terminal 2 fixed on the insulating body 1, a housing 3 sleeved outside the insulating body 1, and a rotating member 4 rotatably installed outside the housing 3, wherein the rotating member 4 includes a pair of rotating arms 41 disposed oppositely and rotatably connected to the housing 3, and a connecting arm 42 connecting the pair of rotating arms 41.

The electrical connector 100 further has a latch 5 mounted on the connection arm 41, the latch 5 is movably disposed relative to the connection arm 41 to realize latching and releasing with respect to the housing 3, and when the rotation arm 41 rotates from an initial unmated state (as shown in fig. 1) to an initial latched state (as shown in fig. 2) under an insertion force of the mating connector 200, the latch 5 translates from a first position (as shown in fig. 2) to a second position (as shown in fig. 4) to latch with a latch 301 disposed on the housing 3 to realize secondary locking.

Referring to fig. 1 to 6 and 9, the insulating housing 1 includes a main body 11, a docking portion 12 extending forward from the main body 11, and an extending portion 13 extending backward from a front end of the docking portion 12 and located outside the docking portion 12, wherein the docking portion 12 has two docking cylinders 121 arranged side by side in a transverse direction, two terminal channels 122 located in the respective docking cylinders 121, two docking cavities 123 located outside the respective docking cylinders 121, and a spacer 124 separating the two docking cylinders 121 from each other. The conductive terminals 2 are received in the two terminal grooves 122 to contact with mating terminals (not shown). Each of the terminal passages 122 is circular, and the two terminal passages 122 are independent from each other and are not communicated with each other.

The front end of the extension portion 13 is connected to the front end of the abutting portion 12, and the extension portion 13 and the abutting portion 12 are spaced apart from each other in the radial direction except the connected portion, so that an accommodating space 130 is formed between the extension portion 13 and the abutting portion 12. The extending portion 13 further has a pair of notches 131 formed by being recessed rearward from the front end thereof, and the pair of notches 131 are symmetrically disposed on both sides of the extending portion 13 in the height direction.

Referring to fig. 1 to 6 and 9, the housing 3 has a pair of tube portions 31 arranged side by side in a transverse direction and connected to each other, a receiving portion 32 located at a front side of the tube portions 31, and a connecting bridge 34 connecting the tube portions 31 to each other at an upper side of the tube portions 31, the hanging lug 301 stands on an upper surface of the connecting bridge 34, and the hanging lug is L-shaped and has a tip protruding rearward to form a tongue portion.

The receiving portion 32 includes an outer receiving portion 321 located outside, an inner receiving portion 322 located inside the outer receiving portion 321, and a pair of pivot portions 323 protruding from both sides of the outer receiving portion 321 in the transverse direction, the pivot portions 323 are rotatably received in corresponding pivot holes 413 formed in the rotating arm 41, the outer receiving portion 321 and the inner receiving portion 322 are spaced to form a receiving space 320 therebetween, at least a portion of the insulation body 1 is inserted into the receiving space 320, and the inner receiving portion 322 is inserted forward into the receiving space 130 of the insulation body 1.

The pivoting portion 323 has a cylindrical rotating portion 3231 and a pair of engaging portions 3232 exposed at opposite sides of the rotating portion 3231, and the engaging portions 3232 are disposed near a free end of the rotating portion 3231.

The outer receiving portion 321 has a pair of slots 3211 recessed rearward from a front end thereof, the slots 3211 are disposed on two sides of the outer receiving portion 321 in a transverse direction, and each slot 3211 is laterally opened outward and penetrates the outer receiving portion 321 in the transverse direction.

The pair of rotating arms 41 are symmetrically disposed on two sides of the connecting arm 42 in the transverse direction, each rotating arm 41 has a sliding slot 411 recessed on an inner side surface 41a thereof, an elastic arm 412 disposed adjacent to the sliding slot 411, and the pivot hole 413 disposed near a terminating end 411a of the sliding slot 411, and the sliding slot 411 is arc-shaped and does not penetrate the rotating arm 41 in the transverse direction, so as to ensure the structural strength of the rotating arm 41.

The elastic arm 412 has a fixed end 412a disposed close to the connecting arm 42 and a free end 412b disposed far from the connecting arm 42, and the elastic arm 412 is provided with a protrusion 4121 disposed at the free end 412b and protruding inward from the inner side surface.

The pivot hole 413 has a circular receiving hole 4131 and a pair of locking holes 4132 communicated with the receiving hole 4131, the rotating portion 3231 is received in the receiving hole 4131, and when the rotating member 4 is in an initial unmated state, the pair of locking portions 3232 is received in and limited by the corresponding locking holes 4132; when the mating connector 200 is inserted, the rotating arms 41 are pressed to open outward, so that the detent portions 3232 move outward and leave the detent holes 4132, and then disengage from the detent.

The connecting arm 42 has a first side 42a gradually approaching the housing 3 and a second side 42b opposite to the first side 42a when rotating from an initial unmated state to an initial latched state, when the rotating arm 41 rotates to the latched state, the second side 42b faces upward, the latch 5 is latched to the connecting arm 42 along a direction pointing to the first side 42a from the second side 42b, and translates along a transverse direction perpendicular to a mating direction of the electrical connector 100 to be latched or separated with the hanging lug 301.

The connecting arm 42 is provided with a mounting groove 421 and at least a pair of slots 422 located on both sides of the mounting groove 421, each slot 422 is a longitudinal shape extending along the transverse direction, and when the rotating member 4 is in the initial locking state, the at least a pair of slots 422 are respectively arranged on both sides of the mounting groove 421 in the front-rear direction.

Specifically, the number of the slots 422 disposed at the front side and the rear side of the mounting groove 421 is different, so as to prevent the latch 5 from being mounted to cause the user to fail to correctly recognize the locking state of the electrical connector 100.

The connecting arm 42 further has a first identification portion 423 located in the mounting groove 421 and a shielding portion 424 for partially shielding the mounting groove 421, the first identification portion 423 and the shielding portion 424 are disposed on two sides of the mounting groove 421 in the transverse direction, and the first identification portion 423 is disposed closer to the first side 42a than the shielding portion 424.

Further, in the present embodiment, the connecting arm 42 further has a reinforcing rib 425 at a side of the first identification portion 423, and the reinforcing rib 425 is located at a side of the first identification portion 423 adjacent to the first side 42a to increase the structural strength of the first identification portion 423.

The latch 5 includes an operation portion 51 and a latch portion 52 located on a non-operation side of the operation portion 51, and the latch portion 52 extends perpendicularly to a non-operation surface of the operation portion 51. The operation surface of the operation portion 51 is an uneven surface, and the non-operation surface is two side surfaces opposite to the operation portion 51. Further, in the present embodiment, a plurality of protruding strips 511 are formed on the operation surface of the operation portion 51, and each extending direction of the protruding strips 511 is perpendicular to the translation direction of the latch 5.

The latch 5 further has at least one pair of insertion arms 53 at both sides of the operating portion 51, the insertion arms 53 are respectively disposed at both sides of the latching portion 52, and the insertion arms 53 are inserted into the corresponding insertion slots 422 of the connecting arms 42 and latched in the insertion slots 422 by the latching protrusions 531 provided at the ends of the insertion arms 53.

The latch 5 further has a second identification portion 54 located on one side of the operation portion 51 along the transverse direction, and when the rotating member 4 is in the initial locked state, the thickness of the second identification portion 54 in the height direction is smaller than that of the operation portion 51 in the height direction, so that the operation portion 51 protrudes upward from the upper surface of the second identification portion 54, and the operation portion 51 at least partially protrudes out of the upper surface; in addition, the length of the second indicator portion 54 in the front-rear direction is equal to the length of the operating portion 51 in the longitudinal direction.

When the latch 5 is at the first position, the second identification part 54 is covered by the shielding part 424 and the first identification part 423 is exposed to the other side of the operating part 51; when the locking member 5 is translated to the second position, the operating portion 51 covers the first identification portion 423 and the second identification portion 54 is exposed in the mounting groove 421.

In the present invention, the electrical connector 100 further has a pair of elastic members 6 assembled outside the abutting portion 12 of the insulation body 1, and a pair of elastic members 6 sleeved on the inner receiving portion 322, the outer sealing ring 7 installed on the rear cover assembly 8 at the rear portion of the housing 3, and a cable 9 connected to the conductive terminal 2, wherein the pair of elastic members 6 are symmetrically disposed on two sides of the abutting portion 12 in the height direction.

Each of the elastic members 6 has a mounting portion 61 and an elastic abutting portion 62 formed by bending and extending backward from the front end of the mounting portion 61, the abutting portion 62 is outwardly arched to press against the mating housing 201 of the mating connector 200, and the mounting portion 61 has a retaining piece 611 protruding inward, so that the elastic member 6 is fixed in the notch 131 without being withdrawn.

The sealing ring 7 is located inside the outer receiving portion 321 and outside the inner receiving portion 322, and a certain gap is left between the sealing ring 7 and the outer receiving portion 321 for the docking housing 201 of the docking connector 200 to extend into, so that the sealing ring 7 is sandwiched between the inner receiving portion 322 and the docking housing 201.

When the rotating arm 41 is in the initial undocked state, the protrusion 4121 provided at the end of the elastic arm 412 is received and limited in the corresponding slot 3211 of the housing 3; when the docking connector 200 is inserted, the protrusions 202 on both sides of the docking connector 200 enter the slots 3211 and press the protrusions 4121 outward, and then enter the corresponding sliding slots 411 on both sides of the rotating arm 41, and drive the rotating arm 41 to rotate toward the initial locking state.

The utility model discloses electric connector 100 and electric connector subassembly realize the secondary locking between electric connector 100 and the butt joint connector 200 through the translational motion of installing latch fitting 5 on rotating piece 4 to make electric connector 100 have good lock power of attaching, and then realize diversified locking effect between electric connector 100 and the butt joint connector 200, electric connection's reliability between reinforcing electric connector 100 and the butt joint connector 200.

Terms such as "upper," "lower," "left," "right," "front," "rear," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures. It will be understood that the spatially relative positional terms may be intended to encompass different orientations than those shown in the figures depending on the product presentation position and should not be construed as limiting the claims. In addition, the descriptor "horizontal" as used herein is not entirely equivalent to allowing an angular tilt along a direction perpendicular to the direction of gravity.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An electric connector, it includes insulator, the fixing locates the conductive terminal of insulator, cover locate the outer casing of insulator and rotatable the installing in the outer rotation piece of casing, rotate including relative setting and with the casing rotate a pair of rotor arm of being connected and with a pair of the linking arm that the rotor arm links to each other, its characterized in that: the electric connector is also provided with a latch piece arranged on the connecting arm, the latch piece is movably arranged relative to the connecting arm so as to realize latching and separation between the shell, when the rotating arm rotates to an initial latching state from an initial non-butt joint state under the action of the insertion force of the butting connector, the latch piece is translated to a second position from a first position, and then is latched with a hanging lug arranged on the shell so as to realize secondary locking.

2. The electrical connector of claim 1, wherein: the linking arm has and rotates from initial butt joint state and be close to gradually when initial hasp state the first side of casing and with the relative second side that sets up in first side, works as when the rotor arm rotates to the hasp state, the second side sets up to the top, the padlock piece along from the direction lock joint in of the directional first side in second side the linking arm, and along with the butt joint direction vertically transverse direction translation of electric connector with the hangers is buckled mutually or is separated.

3. The electrical connector of claim 2, wherein: the latch member has an operating portion and a latch portion located on a non-operating side of the operating portion, the latch portion extending perpendicular to a non-operating surface of the operating portion.

4. The electrical connector of claim 3, wherein: the linking arm is equipped with the mounting groove and is located the at least a pair of slot of mounting groove both sides, it still has and is located to hang the latch fitting piece the at least a pair of arm of inserting of operating portion both sides, insert the arm branch and arrange in hang the both sides of detaining the portion, just insert the arm and insert in corresponding slot on the linking arm and through the buckle convex part that inserts the terminal setting of arm come the lock joint in the slot.

5. The electrical connector of claim 4, wherein: the connecting arm is further provided with a first identification part and a shielding part, the first identification part and the shielding part are located in the mounting groove, the first identification part and the shielding part are oppositely arranged on two sides of the mounting groove in the transverse direction, the padlock part is further provided with a second identification part, the second identification part is located on one side of the operation part in the transverse direction, and when the padlock part is located at the first position, the second identification part is covered by the shielding part and the first identification part is exposed on the other side of the operation part; when the padlock piece is in the second position, the operation part covers the first identification part and the second identification part is exposed in the mounting groove.

6. The electrical connector of claim 2, wherein: the pair of rotating arms are symmetrically arranged on two sides of the connecting arm in the transverse direction, each rotating arm is provided with a sliding groove concavely arranged on the inner side surface of the rotating arm and an elastic arm adjacent to the sliding groove, and the sliding groove is arc-shaped and does not penetrate through the rotating arm in the transverse direction.

7. The electrical connector of claim 6, wherein: the shell is provided with a pair of pipe body parts which are arranged side by side in the transverse direction and are connected, an accommodating part positioned on the front side of the pipe body parts and a connecting bridge which is arranged on the upper sides of the pipe body parts and is connected with the pipe body parts, the hanging lugs are erected on the upper surfaces of the connecting bridge and are L-shaped, and the top ends of the hanging lugs extend backwards to form tongue parts.

8. The electrical connector of claim 7, wherein: the accommodating part comprises an outer accommodating part positioned on the outer side, an inner accommodating part positioned on the inner side of the outer accommodating part and a pair of pivoting parts arranged on two sides of the outer accommodating part in the transverse direction in a protruding mode, the pivoting parts are rotatably accommodated in corresponding pivoting holes formed in the rotating arms, the outer accommodating part and the inner accommodating part are arranged at intervals to form an accommodating space positioned between the outer accommodating part and the inner accommodating part, and at least part of the insulating body is inserted into the accommodating space.

9. The electrical connector of claim 8, wherein: the elastic arm is provided with a fixed end close to the connecting arm and a free end far away from the connecting arm, the elastic arm is provided with a protruding portion which is located at the free end and protrudes inwards from the inner side surface, the outer accommodating portion is provided with a pair of slots formed by backward sinking from the front end of the outer accommodating portion, and when the rotating arm is in an initial non-butt joint state, the protruding portion is accommodated and limited in the corresponding slot.

10. An electrical connector assembly, comprising: the electrical connector assembly comprises the electrical connector according to any one of claims 1 to 9 and a mating connector mated with the electrical connector, wherein the protrusions on two sides of the mating connector enter the corresponding sliding grooves on two sides of the rotating arm and drive the rotating arm to rotate towards an initial locking state.