CN219892478U - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector, which comprises an insulating body, a locking piece, a pull belt and a conductive module accommodated in the insulating body; the insulating body comprises an upper wall, a lower wall and an accommodating space positioned between the upper wall and the lower wall, the upper wall is provided with a fixing groove for accommodating the locking piece, the locking piece comprises a movable part, a fixing part positioned below the movable part and a channel positioned between the movable part and the fixing part, the drawstring comprises a mounting part and an extending part, the mounting part is mounted on the locking piece, the extending part passes through the locking piece through the channel to come to the rear of the insulating body, and no additional space for accommodating the extending part is required to be arranged on the insulating body, so that the volume of the accommodating space can be increased under the condition that the connector is high to be certain.

Description

Electric connector

[ field of technology ]

The present utility model relates to an electrical connector, and more particularly, to a pull-strap-unlocking electrical connector.

[ background Art ]

An existing electric connector, such as chinese patent CN201920393111.1, the electric connector includes a connector body, a fastener and a pull belt, the fastener includes a pressing portion and a fixing portion located below the pressing portion, a fixing slot is provided at the top of the connector body, the fixing portion is fixed in the fixing slot, and a pull belt hole is provided below the fixing portion for the pull belt to pass through. In patent CN201920393111.1, in order to accommodate the pull tape, a pull tape hole is provided on the connector body, and under the condition that the connector height is not changed, this tends to make the volume of the internal space of the connector body narrow, and when some components such as a circuit board are assembled into the connector body, there may be problems that the space is insufficient or too many auxiliary structures cannot be provided in the connector body due to space limitation, so that the components are not easy to install and fix.

Therefore, there is a need to design an electrical connector to overcome the above-mentioned problems.

[ utility model ]

The utility model aims to provide an electric connector, wherein an extension part of a drawstring is positioned between a movable part and a fixed part, and a drawstring hole is not required to be arranged on the upper wall of an insulating body, so that the accommodating space inside the insulating body can be enlarged.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrical connector, comprising: the insulation body is provided with an upper wall, a lower wall and an accommodating space positioned between the upper wall and the lower wall, wherein the upper wall is provided with a fixing groove; the conductive module is accommodated in the accommodating space; the locking piece comprises a movable part, a fixed part positioned below the movable part, a channel positioned between the movable part and the fixed part, and an elastic part connected with the same side of the fixed part and the movable part, wherein the elastic part is provided with an opening and communicated with the channel, the movable part is provided with an upper drawstring hole and a clamping part, the side edge of the upper drawstring hole is provided with an upper supporting part, the clamping part is used for being clamped with a butt joint connector, the fixed part is fixed in the fixed groove, the fixed part is provided with a lower drawstring hole, the side edge of the lower drawstring hole is provided with a lower supporting part, and the distance between the lower supporting part and the upper supporting part is smaller than the distance between the lower drawstring hole and the upper supporting part; the pull belt comprises a mounting part, an extending part and an operating part, wherein the extending part and the operating part extend backwards from the mounting part, the mounting part penetrates through the upper pull belt hole and is sleeved on the upper supporting part, the mounting part is abutted to the lower supporting part and penetrates through the lower pull belt hole, the extending part is positioned in the channel and penetrates backwards through the opening, and the operating part is positioned behind the extending part and is used for dragging the pull belt to enable the buckle part to move downwards for unlocking.

Further, the projection of the upper abutting portion in the up-down direction coincides with the projection of the lower abutting portion in the up-down direction.

Further, a first abutting point and a second abutting point are arranged between the mounting part and the lower abutting part, the second abutting point is located below the first abutting point, an abutting surface is arranged between the mounting part and the upper abutting part, and the first abutting point and the second abutting point are located behind the forefront end of the abutting surface.

Further, the lower abutment portion is located above the draw-down strap hole, the draw-down strap hole has a first side face and a second side face opposite to each other, the first side face is higher than the second side face, and the mounting portion passes through the draw-down strap hole from front to back and contacts only the first side face in the draw-down strap hole.

Further, the movable part is provided with a limiting part, the upper wall is provided with a guide hole and a guide groove, the guide groove upwards communicates with the guide hole, the guide hole communicates with the fixed groove, the fixed groove downwards communicates with the accommodating space, the upper surface of the guide groove is provided with an abutting surface and a guide inclined surface which extends from the abutting surface to the guide hole in an inclined way, the guide inclined surface is connected with the guide hole, the limiting part upwards abuts against the abutting surface from the guide inclined surface to guide the guide groove.

Further, the fixed slot is internally provided with a bump and a limiting block, the fixed part is provided with a clamping slot which is penetrated up and down and a convex part which extends outwards along the side edge, the limiting block stops the convex part to move forwards and upwards, and the bump is upwards clamped in the clamping slot.

Further, the buckle portion includes the buckle arm and is located the trip of buckle arm front end, the upper wall is equipped with the slot, the slot includes first slot and the second slot that sets up along fore-and-aft direction, first slot is acceptd the trip, the second slot is acceptd the buckle arm, the width of first slot along left and right directions is less than the width of second slot along left and right directions.

Further, the lower wall is provided with two lower protruding bars protruding inwards of the accommodating space, the lower protruding bars are abutted against the conductive module, a lower accommodating space is formed by surrounding the conductive module, the lower protruding bars and the lower wall, a heating element is arranged on the lower surface of the conductive module, and the heating element is accommodated in the lower accommodating space.

Further, the heat dissipation device comprises a heat dissipation element, wherein the lower wall is provided with a mounting opening, the heat dissipation element is mounted on the mounting opening, the conductive module is provided with a heating element, and the heat dissipation element is abutted to the heating element.

Further, the upper wall is provided with two protruding bars protruding towards the accommodating space, the protruding bars are abutted against the conductive module, an electronic element is arranged on the upper surface of the conductive module, an upper accommodating space is formed by surrounding the conductive module, the protruding bars and the upper wall, and the upper accommodating space accommodates the electronic element.

Compared with the prior art, the electric connector designed by the utility model has the following beneficial effects:

the fixing part is provided with a lower drawstring hole, the mounting part can penetrate through the lower drawstring hole, and then the extension part is located in the channel and backwards penetrates through the opening, so that the space of the channel can be fully utilized, and compared with the fact that the extension part is arranged below the fixing part, the space for accommodating the drawstring is not required to be additionally arranged between the upper wall and the fixing part, and the volume of the accommodating space can be increased under the condition that the overall height of the electric connector is unchanged.

[ description of the drawings ]

FIG. 1 is an exploded perspective view of an electrical connector;

FIG. 2 is a schematic perspective view of an electrical connector;

FIG. 3 is a schematic perspective view of the latch member;

FIG. 4 is a schematic view of the pull strap after it is mounted to the latch member;

FIG. 5 is a top view of an electrical connector;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is an enlarged view of FIG. 6 at C;

FIG. 8 is a perspective cross-sectional view taken along line B-B of FIG. 5;

reference numerals of the specific embodiments illustrate:

the electrical connector 100, the insulation body 1, the upper wall 11, the fixing groove 111, the guide hole 112, the guide groove 113, the abutting surface 1131, the guide slope 1132, the bump 114, the stopper 115, the first groove 116, the second groove 117, the upper ledge 118, the lower wall 12, the lower ledge 121, the mounting opening 122, the housing space 13, the upper housing space 131, the lower housing space 132, the latch 2, the movable portion 21, the main body portion 211, the upper pull-up strap hole 2111, the upper abutting portion 2112, the abutting surface 2113, the stopper 212, the buckle portion 213, the buckle arm 2131, the hook 2132, the fixing portion 22, the clamping groove 221, the lower pull-up strap hole 222, the first side 2221, the second side 2222, the lower abutting portion 223, the first abutting point 2231, the second abutting point 2232, the protrusion 224, the channel 23, the elastic portion 24, the opening 241, the pull-up strap 3, the mounting portion 31, the extension portion 32, the operation portion, the heat dissipation element 4, the conductive module 5, the electronic element 51, the heat-generating element 52

[ detailed description ] of the utility model

For a better understanding of the utility model with objects, structures, features, and effects, the utility model will be described further with reference to the drawings and to the detailed description.

The electrical connector 100 of the present utility model defines a left-right direction as an X-axis, a left direction as an X-axis positive direction, a front-back direction as a Y-axis, a front direction as a Y-axis positive direction, an up-down direction as a Z-axis, and an up-up direction as a Z-axis positive direction.

As shown in fig. 1 and 2, the electrical connector 100 includes an insulating body 1, a latch 2, a pull strap 3 mounted on the latch 2, a heat dissipation element 4, and a conductive module 5 accommodated in the insulating body 1, where the conductive module 5 is a circuit board in this embodiment, and in other embodiments, the conductive module 5 may be a terminal assembly including an insulating block and a terminal.

As shown in fig. 3 and 4, the latch 2 includes a movable portion 21, a fixed portion 22 located below the movable portion 21, a passage 23 located between the movable portion 21 and the fixed portion 22, and an elastic portion 24 connecting the rear end of the fixed portion 22 and the rear end of the movable portion 21. The elastic portion 24 is provided with an opening 241 for communicating with the channel 23, the movable portion 21 includes a main body portion 211, two limiting portions 212 extending from two sides of the main body portion 211 in a downward bending manner, and a fastening portion 213 located in front of the main body portion 211, the main body portion 211 is provided with an upward-pulling strap hole 2111, a side edge of the upward-pulling strap hole 2111 is provided with an upward-supporting portion 2112, the fastening portion 213 includes a fastening arm 2131 extending forward and a fastening hook 2132 located at a front end of the fastening arm 2131, and the fastening hook 2132 is used for being fastened with a pair of connectors. The fixing portion 22 is provided with a vertically penetrating clamping groove 221, a protruding portion 224 protruding outwards along the side edge, and a pull-down strap hole 222, the side edge of the pull-down strap hole 222 is provided with a lower supporting portion 223, the lower supporting portion 223 is located above the pull-down strap hole 222, and the distance between the lower supporting portion 223 and the upper supporting portion 2112 is smaller than the distance between the pull-down strap hole 222 and the upper supporting portion 2112.

The pull strap 3 includes a mounting portion 31, an extending portion 32 extending rearward from the mounting portion 31 and an operating portion 33, the mounting portion 31 passes through the upper pull strap hole 2111 and is sleeved on the upper supporting portion 2112, the mounting portion 31 abuts against the lower supporting portion 223 and passes through the lower pull strap hole 222, the extending portion 32 is located in the channel 23 and passes rearward through the opening 241, the operating portion 33 is located behind the extending portion 32 and extends rearward beyond the insulating body 1, and an operator can drag the operating portion 33 rearward by hand or a tool to unlock the hook 2132.

As shown in fig. 6 and 7, the projection of the upper abutting portion 2112 in the up-down direction coincides with the projection of the lower abutting portion 223 in the up-down direction, specifically, an angle between a portion of the mounting portion 31 connecting the upper abutting portion 2112 and the lower abutting portion 223 and the front-back direction is approximately 90 °, a first abutting point 2231 and a second abutting point 2232 are provided between the mounting portion 31 and the lower abutting portion 223, the second abutting point 2232 is located below the first abutting point 2231, an abutting surface 2113 is provided between the mounting portion 31 and the upper abutting portion 2112, and the first abutting point 2231 and the second abutting point 2232 are located behind the foremost end of the abutting surface 2113. The pull-down strap hole 222 has a first side 2221 and a second side 2222 opposite to each other, the first side 2221 is higher than the second side 2222, the second abutment point 2232 is located on the first side 2221, the mounting portion 31 passes through the pull-down strap hole 222 from front to back and contacts with only the first side 2221 in the pull-down strap hole 222, specifically, when the pull strap 3 passes through the pull strap 3 hole during pulling, the mounting portion 31 is only subjected to the friction force provided by the first side 2221, and does not scratch with the second side 2222.

As shown in fig. 1, 5 and 8, the insulating body 1 has an upper wall 11, a lower wall 12, and a receiving space 13 between the upper wall 11 and the lower wall 12, the conductive module 5 is received in the receiving space 13, and the upper wall 11 is provided with a fixing groove 111, a guide hole 112, a guide groove 113, a bump 114, and a stopper 115. The protruding block 114 and the limiting block 115 are both located in the fixing groove 111, the protruding block 114 is clamped in the clamping groove 221 upwards, and the limiting block 115 stops the protruding portion 224 from moving forwards and upwards, so that the fixing portion 22 is fixed in the fixing groove 111.

The guide holes 112 are located at two sides of the fixing groove 111 and are communicated with the fixing groove 111, the guide groove 113 is connected with the guide holes 112 upwards, the upper surface of the guide groove 113 is provided with an abutting surface 1131 and a guide inclined surface 1132 extending from the abutting surface 1131 to the guide hole 112 obliquely, the limiting part 212 is accommodated in the guide groove 113 and abuts against the abutting surface 1131 upwards, the guide inclined surface 1132 is connected with the guide hole 112, and the limiting part 212 is guided into the guide groove 113 from the guide inclined surface 1132 through the guide hole 112 in the process of installing the locking piece 2 in the fixing groove 111.

The upper wall 11 is further provided with a first groove 116 and a second groove 117, the first groove 116 and the second groove 117 are located in front of the fixing groove 111, the fastening arm 2131 is received in the first groove 116, the fastening hook 2132 is received in the second groove 117, the first groove 116 is communicated with the second groove 117, the width of the first groove 116 along the left-right direction is smaller than the width of the second groove 117 along the left-right direction, and the center line of the first groove 116 along the left-right direction and the center line of the second groove 117 along the left-right direction are on the same straight line.

As shown in fig. 6 and 8, the upper wall 11 is provided with two upper protruding bars 118 protruding toward the accommodating space 13, the lower wall 12 is provided with two lower protruding bars 121 protruding toward the accommodating space 13, the conductive module 5 is in contact with the upper protruding bars 118 upward and the lower protruding bars 121 downward, the accommodating space 13 includes an upper accommodating space 131 and a lower accommodating space 132, the conductive module 5, the upper protruding bars 118 and the upper wall 11 enclose the upper accommodating space 131, the conductive module 5, the lower protruding bars 121 and the lower wall 12 enclose the lower accommodating space 132, the upper surface of the conductive module 5 is provided with an electronic component 51, the lower surface is provided with a heating element 52, the electronic component 51 is accommodated in the upper accommodating space 131, and the heating element 52 is accommodated in the lower accommodating space 132. The fixing groove 111 and the guiding groove 113 are both communicated with the upper accommodating space 131 downwards, heat generated by the electronic component 51 can be transmitted to the outside through the guiding groove 113 and the fixing groove 111, the lower wall 12 is provided with a mounting opening 122, the heat dissipation component 4 is mounted at the mounting opening 122 and is abutted upwards against the heating component 52, and the lower surface of the heat dissipation component 4 is exposed to the air, so that the heat generated by the heating component 52 can be rapidly diffused into the air through the heat dissipation component 4.

The assembly and unlocking process of the electrical connector 100 is further described below:

in this embodiment, the insulating body 1 is assembled from an upper shell and a lower shell, the heat dissipation element 4 is firstly installed into the installation opening 122 located in the lower shell from top to bottom, then the conductive module 5 is placed on the lower shell, the lower surface of the conductive module 5 abuts against the lower protruding rail 121, the heating element 52 enters the lower accommodating space 132 and abuts against the heat dissipation element 4, and then the upper shell is covered, in this process, the upper protruding rail 118 abuts against the upper surface of the conductive module 5, and the upper protruding rail 118 and the lower protruding rail 121 fix the conductive module 5 in the accommodating space 13.

When the locking member 2 is mounted, the locking member 2 is first positioned in the fixing groove 111 from top to bottom through the limiting portion 212 and the guiding hole 112, at this time, the hook 2132 and a portion of the locking arm 2131 are received in the first groove 116, and then the locking member 2 is moved forward until the protrusion 114 is engaged with the locking groove 221. At this time, the hook 2132 enters the second groove 117, the limiting portion 212 is guided into the guiding groove 113 by the guiding slope 1132 and finally abuts against the abutment surface 1131 upwards, and the protrusion 224 is located right under the limiting block 115 and is blocked by the limiting block 115 in front and above. In this process, the height of the limiting portion 212 is gradually reduced, so as to drive the height of the main body portion 211 to be reduced, so that the overall height of the locking member 2 meets the requirements of the connector specification.

When the electrical connector 100 needs to be unlocked from the mating connector, the operator 33 may be pulled by a hand or a tool, so that the operator 33 and the extension 32 are displaced backward, the mounting portion 31 is displaced downward, so as to drive the main body 211 to be displaced downward, and further, the hook 2132 is displaced downward to unlock from the mating connector, and the electrical connector 100 can be separated from the mating connector by continuing to pull the pull belt 3.

In summary, the utility model has the following beneficial effects:

1. the fixing portion 22 is provided with a pull-down strap hole 222, the mounting portion 31 passes through the pull-down strap hole 222, so that the extending portion 32 is located in the channel 23 and passes through the opening 241, thereby fully utilizing the space of the channel 23, and thus, compared with the case that the extending portion 32 is located below the fixing portion 22, the space for accommodating the pull strap 3 is not required to be additionally provided between the upper wall 11 and the fixing portion 22, and the volume of the accommodating space 13 is increased under the condition that the overall height of the electrical connector 100 is unchanged.

2. Since the projection of the upper abutting portion 2112 in the up-down direction coincides with the projection of the lower abutting portion 223 in the up-down direction, the angle between the portion of the mounting portion 31 connecting the upper abutting portion 2112 and the lower abutting portion 223 and the front-rear direction is close to 90 °, the distance of pulling the pull strap 3 is defined as L, the angle between the portion of the mounting portion 31 connecting the upper abutting portion 2112 and the lower abutting portion 223 and the front-rear direction is defined as θ, the distance of downward movement of the movable portion 21 is defined as H, and the relationship among L, θ and H is defined as h=lsinθ, when the pull strap 3 is pulled by the constant distance L, the closer the angle θ is to 90 °, the distance H of downward movement of the movable portion 21 is defined as H, and the locking portion 213 is easier to unlock.

The first abutting point 2231 and the second abutting point 2232 are located at the rear of the foremost end of the abutting surface 2113, so that an included angle θ is slightly smaller than 90 °, so that the installation portion 31 has a backward component force on the pulling force of the upper abutting portion 2112, and the pulling belt 3 is also pulled to separate the electrical connector 100 from the mating connector after unlocking while the pulling belt 3 is pulled to unlock conveniently.

3. The lower supporting portion 223 is located above the lower draw-strap hole 222, the mounting portion 31 passes through the lower draw-strap hole 222 from front to back, when the draw-strap 3 is pulled backward to move the movable portion 21 downward, the mounting portion 31 only contacts the first side 2221, that is, the mounting portion 31 scrapes only one portion of the lower draw-strap hole 222, so that the mounting portion 31 receives less scraping on the side edge of the lower draw-strap hole 222, and the draw-strap 3 is pulled conveniently.

4. The limiting part 212 slides downwards into the guide groove 113 through the guide hole 112 and the guide inclined plane 1132, and the height of the limiting part 212 is adjusted through the abutting surface 1131 while the assembly and the limiting are convenient, so that the height of the movable part 21 is adjusted, and the height of the locking piece 2 meets the specified requirement.

5. When the locking piece 2 is installed, the fastening arm 2131 and the hook 2132 pass through the first groove 116, at this time, the second groove 117 is wide, so that the fastening arm 2131 and the hook 2132 can be installed, after the installation is finished, the hook 2132 is located in the second groove 117, and the first groove 116 is relatively narrow, so that the hook 2132 can be limited, and the locking of the hook 2132 and the butt connector can be prevented from being influenced due to overlarge offset in the left-right direction.

The above detailed description is merely illustrative of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model, so that all equivalent technical changes that can be made by the present specification and illustrations are included in the scope of the utility model.

Claims (10)

1. An electrical connector, comprising:

the insulation body is provided with an upper wall, a lower wall and an accommodating space positioned between the upper wall and the lower wall, wherein the upper wall is provided with a fixing groove;

the conductive module is accommodated in the accommodating space;

the locking piece comprises a movable part, a fixed part positioned below the movable part, a channel positioned between the movable part and the fixed part, and an elastic part connected with the same side of the fixed part and the movable part, wherein the elastic part is provided with an opening and communicated with the channel, the movable part is provided with an upper drawstring hole and a clamping part, the side edge of the upper drawstring hole is provided with an upper supporting part, the clamping part is used for being clamped with a butt joint connector, the fixed part is fixed in the fixed groove, the fixed part is provided with a lower drawstring hole, the side edge of the lower drawstring hole is provided with a lower supporting part, and the distance between the lower supporting part and the upper supporting part is smaller than the distance between the lower drawstring hole and the upper supporting part;

the pull belt comprises a mounting part, an extending part and an operating part, wherein the extending part and the operating part extend backwards from the mounting part, the mounting part penetrates through the upper pull belt hole and is sleeved on the upper supporting part, the mounting part is abutted to the lower supporting part and penetrates through the lower pull belt hole, the extending part is positioned in the channel and penetrates backwards through the opening, and the operating part is positioned behind the extending part and is used for dragging the pull belt to enable the buckle part to move downwards for unlocking.

2. The electrical connector of claim 1, wherein a projection of the upper abutment in the up-down direction coincides with a projection of the lower abutment in the up-down direction.

3. The electrical connector of claim 2, wherein the mounting portion and the lower abutment portion have a first abutment and a second abutment therebetween, the second abutment being located below the first abutment, the mounting portion and the upper abutment having an abutment therebetween, the first abutment and the second abutment being located rearward of a forward-most end of the abutment.

4. The electrical connector of claim 1, wherein the lower abutment is located above the drop-down strap aperture, the drop-down strap aperture having opposed first and second sides, the first side being higher than the second side, the mounting portion passing through the drop-down strap aperture from front to back and contacting only the first side in the drop-down strap aperture.

5. The electrical connector of claim 1, wherein the movable portion is provided with a limiting portion, the upper wall is provided with a guide hole and a guide groove, the guide groove is communicated with the guide hole upwards, the guide hole is communicated with the fixing groove, the fixing groove is communicated with the accommodating space downwards, the upper surface of the guide groove is provided with an abutting surface and a guide inclined surface extending obliquely from the abutting surface to the guide hole, the guide inclined surface is connected with the guide hole, the limiting portion is guided into the guide groove from the guide hole by the guide inclined surface, and the limiting portion is abutted upwards to the abutting surface.

6. The electrical connector of claim 1, wherein the fixing groove is provided with a bump and a stopper, the fixing portion is provided with a vertically penetrating slot and a protruding portion protruding outwards along a side edge, the stopper stops the protruding portion from moving forwards and upwards, and the bump is clamped in the slot upwards.

7. The electrical connector of claim 1, wherein the latch comprises a latch arm and a hook at a front end of the latch arm, the upper wall is provided with a groove, the groove comprises a first groove and a second groove arranged along a front-rear direction, the first groove accommodates the hook, the second groove accommodates the latch arm, and a width of the first groove along a left-right direction is smaller than a width of the second groove along the left-right direction.

8. The electrical connector of claim 1, wherein the lower wall has two protruding ribs protruding into the accommodating space, the protruding ribs abut against the conductive module, a lower accommodating space is defined by the conductive module, the protruding ribs and the lower wall, and a heating element is disposed on the lower surface of the conductive module and is accommodated in the lower accommodating space.

9. The electrical connector of claim 1, comprising a heat sink member, wherein the lower wall has a mounting opening, the heat sink member is mounted to the mounting opening, the conductive module has a heat generating element, and the heat sink member abuts the heat generating element.

10. The electrical connector of claim 1, wherein the upper wall has two protruding columns protruding toward the accommodating space, the protruding columns abut against the conductive module, an electronic component is disposed on an upper surface of the conductive module, and an upper accommodating space is defined by the conductive module, the protruding columns and the upper wall, and the upper accommodating space accommodates the electronic component.