CN220857043U - Connector with good waterproof effect - Google Patents
Connector with good waterproof effect Download PDFInfo
- Publication number
- CN220857043U CN220857043U CN202322660738.8U CN202322660738U CN220857043U CN 220857043 U CN220857043 U CN 220857043U CN 202322660738 U CN202322660738 U CN 202322660738U CN 220857043 U CN220857043 U CN 220857043U
- Authority
- CN
- China
- Prior art keywords
- wire
- connector
- connector housing
- wire outlet
- electric wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000694 effects Effects 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 238000002788 crimping Methods 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000005491 wire drawing Methods 0.000 claims 5
- 238000001746 injection moulding Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A connector with good waterproof effect comprises a connector housing (1) having an electric wire outlet (11); a terminal (2) housed in the connector housing (1); an electric wire (3) connected to the terminal (2) and led out from the electric wire outlet (11) to the outside of the connector housing (1); and a sealing plug (4) for sealing the electric wire (3) led out from the electric wire outlet (11), wherein the sealing plug (4) comprises at least a lower plug part (41), and the lower plug part (41) extends into the electric wire outlet (11) and is matched with the inner wall of the outlet of one side of the electric wire outlet (11) relative to the lower plug part (41) to wrap the wrapping of the electric wire (3) so as to seal the electric wire outlet (11) except the electric wire (3). The utility model has the advantage of good waterproof effect, which is not affected by the temperature of the use environment basically.
Description
Technical Field
The utility model relates to a connector with good waterproof effect.
Background
In the prior art, a connector is typically used for the electrical connection between two electrical appliances inside a machine. Such a connector includes a connector housing, terminals housed in the connector housing, and wires connected to the terminals, the wires being led out from wire outlet ports of the connector housing to the outside. In order to achieve the sealing effect of the wire outlet, it is common practice to impregnate a sealing resin from the wire outlet, and such a resin for sealing tends to receive a change in ambient temperature to affect the sealing effect, and when the ambient temperature is too low, the resin shrinks; when the ambient temperature is too high, the resin is melted; whether the resin shrinks or melts, it affects the reliability of the sealing of the wire outlet of the connector housing.
Disclosure of utility model
In order to solve the problems, the utility model provides a connector with good waterproof effect which is basically not influenced by the temperature of the use environment for society.
The technical scheme of the utility model is as follows: the connector with good waterproof effect comprises a connector shell, a connector cover and a connector cover, wherein the connector shell is provided with an electric wire outlet; a terminal accommodated in the connector housing; a wire connected to the terminal and led out of the connector housing from the wire outlet; and the sealing plug at least comprises a lower plug part, the lower plug part stretches into the wire outlet and is matched with the inner wall of the wire outlet on one side of the wire outlet relative to the lower plug part to wrap the wrapping of the wire, so that the wire outlet except the wire is sealed.
As an improvement of the present utility model, the inner wall of the outlet of the wire outlet and the sealing plug are provided with a semicircular housing groove which is assembled with each other to form a tubular shape and surrounds the wire, the inner peripheral surface of the semicircular housing groove is a first contact surface which contacts the wire, and at least one first pressure-bonding rib which extends in the circumferential direction of the wire is provided on the inner peripheral surface of the semicircular housing groove of both the sealing plug and the wire outlet.
As an improvement of the utility model, on three second contact surfaces of the lower plug part, which are in contact with the inner wall of the wire outlet, each second contact surface is at least provided with one second crimping rib, the three second crimping ribs are connected end to form a semi-ring shape, and the second crimping ribs are in interference fit with the inner wall of the wire outlet.
As an improvement of the utility model, the sealing plug is provided with an upper cover part with an area larger than that of the lower plug part, and the periphery of the upper cover part is provided with a hanging edge.
As an improvement of the present utility model, the connector housing has a plurality of the wire outlets, and a plurality of the wires connected to the plurality of the terminals are respectively led out from the plurality of wire outlets.
As an improvement of the utility model, a hook is arranged on the outer side surface of the connector shell, the hook is provided with a seven-shaped connecting part and a T-shaped connecting part connected with the seven-shaped connecting part, and the hook part of the hook is positioned at the lower end of the T-shaped connecting part and faces the outer side surface of the connector shell.
The utility model also provides a manufacturing method of the connector with good waterproof effect, which comprises the following steps:
s1, injection molding of a connector shell;
molding a connector housing with a wire outlet;
s2, injection molding of the sealing plug;
Injection molding a sealing plug, wherein the sealing plug at least comprises a lower plug part;
s3, connecting the terminal and the electric wire;
fixedly connecting the terminal to the lower end of the electric wire;
S4, accommodating the terminal in the connector shell;
a terminal is accommodated in the connector housing, and an electric wire is led out of the connector housing from an electric wire outlet;
S5, the lower plug part of the sealing plug is plugged into the wire outlet;
And inserting the lower plug part of the sealing plug into the wire outlet, and enabling the lower plug part to be matched with the inner wall of the wire outlet on one side of the wire outlet opposite to the lower plug part to wrap the wrapping of the wire, so that the wire outlet except the wire is sealed.
As an improvement of the present utility model, the inner wall of the outlet of the wire outlet and the sealing plug are provided with a semicircular housing groove which is assembled with each other to form a tubular shape and surrounds the wire, the inner peripheral surface of the semicircular housing groove is a first contact surface which contacts the wire, and at least one first pressure-bonding rib which extends in the circumferential direction of the wire is provided on the inner peripheral surface of the semicircular housing groove of both the sealing plug and the wire outlet.
As an improvement of the utility model, on three second contact surfaces of the lower plug part, which are in contact with the inner wall of the wire outlet, each second contact surface is at least provided with one second crimping rib, the three second crimping ribs are connected end to form a semi-ring shape, and the second crimping ribs are in interference fit with the inner wall of the wire outlet.
As an improvement of the present utility model, the connector housing has a plurality of the wire outlets, and a plurality of the wires connected to the plurality of the terminals are respectively led out from the plurality of wire outlets.
The utility model adopts the structure comprising the connector shell and the sealing plug, wherein the sealing plug seals the electric wire led out from the electric wire outlet, the sealing plug at least comprises a lower plug part, the lower plug part stretches into the electric wire outlet and is matched with the inner wall of the electric wire outlet at one side opposite to the lower plug part to wrap the wrapping of the electric wire, and the electric wire outlet except the electric wire is sealed, so the utility model has the advantage of good waterproof effect basically not influenced by the temperature of the use environment.
Drawings
Fig. 1 is a schematic perspective exploded view of an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of the fully assembled structure of fig. 1.
Fig. 3 is a schematic view of another view of the sealing plug of fig. 1.
Fig. 4 is a schematic rear plan view of fig. 2.
Fig. 5 is a schematic view of the cross-sectional A-A configuration of fig. 4.
Fig. 6 is a schematic block diagram of the method of the present utility model.
FIG. 7 is a schematic representation of the steps of the method of the present utility model in physical form.
Detailed Description
Referring to fig. 1 to 5, fig. 1 to 5 disclose a connector with good waterproof effect, comprising a connector housing 1 having a wire outlet 11, the wire outlet 11 having a first semicircular receiving slot 111, and a chamfer 113 formed on the first semicircular receiving slot 111, wherein the intersection line of the chamfer 113 and the first semicircular receiving slot 111 forms a first crimping rib 112; a terminal 2, wherein the terminal 2 has a caulking portion 21 and a plug portion 22, the plug portion 22 has an elastic member 221, and the terminal 2 is accommodated in the connector housing 1; a wire 3, wherein the wire 3 is connected to the terminal 2 by caulking, and is led out of the connector housing 1 from the wire outlet 11; and a sealing plug 4 for sealing the electric wire 3 led out from the electric wire outlet 11, wherein the sealing plug 4 includes at least a lower plug portion 41, and the lower plug portion 41 extends into the electric wire outlet 11, and is engaged with an inner wall of the outlet of the electric wire outlet 11 on a side opposite to the lower plug portion 41 to wrap the sheath of the electric wire 3, thereby sealing the electric wire outlet 11 except the electric wire 3. In this embodiment the material of the connector housing 1 and the material of the sealing plug 4 have substantially the same expansion coefficient. For example, both may be the same plastic, so that both are less affected by changes in ambient temperature and have better sealing properties.
Referring to fig. 3, the inner walls of the outlet of the wire outlet 11 and the sealing plug 4 are provided with tubular semicircular receiving grooves 421 and 111 assembled with each other to surround the wire 3, the inner peripheral surfaces of the semicircular receiving grooves 421 and 111 are first contact surfaces contacting the wire 3, at least one first pressure-bonding rib 113 is provided on the inner peripheral surfaces of the semicircular receiving grooves 421 and 111 of both the wire outlet 11 and the sealing plug 4, and the first pressure-bonding rib 113 extends in the circumferential direction of the wire 3. The first crimp rib 113 may be slightly snapped into the outer skin of the wire 3 for better sealing against water.
Preferably, at least one second crimping rib 4111 is provided on each of the three second contact surfaces 411 of the lower plug 41 that contact with the inner wall of the wire outlet 11, and the three second crimping ribs 4111 are connected end to form a half-loop shape, and the second crimping ribs 4111 are in interference fit with the inner wall of the wire outlet 11. The waterproof sealing device has a better sealing and waterproof effect through interference fit.
Preferably, the sealing plug 4 has an upper cover portion 42 with an area larger than that of the lower plug portion 41, and a hanging edge 422 is provided around the upper cover portion 42. The hanging edge 422 is used for covering the upper end face of the connector housing 1, so as to play a waterproof effect.
Preferably, the connector housing 1 has a plurality of the wire outlets 11, and the plurality of wires 3 connected to the plurality of the terminals 2 are respectively led out from the plurality of wire outlets 11. In this embodiment, the number of the wire outlets 11 is three, however, the utility model can be provided with more than 2 wire outlets 11 according to the requirement, and more than 2 terminals 2 and wires 3 are correspondingly arranged to be matched with the wire outlets 11.
Preferably, a hook 12 is provided on the outer side of the connector housing 1, the hook 12 has a seven-shaped connecting portion 121 and a T-shaped connecting portion 122 connected to the seven-shaped connecting portion 121, and the hook 123 of the hook 12 is located at the lower end of the T-shaped connecting portion 122 and faces the outer side of the connector housing 1. The hook clamp 12 is used for being clamped with a board end connector on a PCB board; in the present utility model, the hook 12 has a certain elasticity, and when the hook is plugged into the board-end connector, the hook 123 of the hook 12 is hooked to the corresponding part of the board-end connector, and when the hook is removed, the pressing part 124 of the hook 12 is pressed, so that the present utility model can be separated from the board-end connector, and the present utility model can be separated from the board-end connector.
The utility model also provides a manufacturing method of the connector with good waterproof effect, which comprises the following steps:
S1, injection molding of a connector shell; each terminal hole edge
Molding a connector housing 1 such that the connector housing 1 has a wire outlet 11; forming a first semicircular accommodating wire groove 111 at the opening edge of the wire outlet 11, and chamfering the upper end of the first semicircular accommodating wire groove 111 to form a chamfer surface 113; the intersection of the chamfer 113 and the first semicircular receiving slot 111 forms a first crimp rib 112.
S2, injection molding of the sealing plug;
injection molding a sealing plug 4, said sealing plug 4 comprising at least a lower plug portion 41;
s3, connecting the terminal and the electric wire;
Fixedly connecting the terminal 2 to the lower end of the wire 3; in this embodiment, the terminal 2 and the wire 3 are connected by caulking.
S4, accommodating the terminal in the connector shell;
The terminal 2 is accommodated in the connector housing 1, and the electric wire 3 is led out of the connector housing 1 from the wire outlet 11; namely, the electric wire 3 to which the terminal 2 is riveted is inserted into the connector housing 1 of the first semicircular receiving wire groove 111.
S5, the lower plug part of the sealing plug is plugged into the wire outlet;
The lower plug portion 41 of the sealing plug 4 is inserted into the wire outlet 11, and the wire outlet 11 except the wire 3 is sealed by fitting the lower plug portion 41 to the outlet inner wall of the wire outlet 11 on the side opposite to the lower plug portion 41 to wrap the sheath of the wire 3. The sealing plug 4 is provided with a protruding block corresponding to each wire outlet 11 of the connector housing 1, each protruding block forming a second semicircular receiving slot 421.
After the sealing plug 4 is pressed into the connector shell 1, the electric wires 3 are clamped into the semicircular containing wire grooves 111 and 421 to be completely closed, so that a waterproof effect is achieved.
The inside of the semicircular accommodating grooves 111 and 421 of the electric wire 2 is pressed outwards, and an acute angle is formed between the axis of the electric wire 3 and the end face of the connector housing 1, and the acute angle can be selected from 0-70 degrees.
Preferably, the inner walls of the outlet of the wire outlet 11 and the sealing plug 4 have tubular semicircular receiving grooves 421 and 111 assembled together to surround the wire 3, the inner peripheral surfaces of the semicircular receiving grooves 421 and 111 are first contact surfaces that contact the wire 3, at least one first pressure-bonding rib 113 is provided on the inner peripheral surfaces of the semicircular receiving grooves 421 and 111 of both the wire outlet 11 and the sealing plug 4, and the first pressure-bonding rib 113 extends in the circumferential direction of the wire 3.
Preferably, at least one second crimping rib 4111 is provided on each of the three second contact surfaces 411 of the lower plug 41 that contact with the inner wall of the wire outlet 11, and the three second crimping ribs 4111 are connected end to form a half-loop shape, and the second crimping ribs 4111 are in interference fit with the inner wall of the wire outlet 11.
Preferably, the connector housing 1 has a plurality of the wire outlets 11, and the plurality of wires 3 connected to the plurality of the terminals 2 are respectively led out from the plurality of wire outlets 11.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A connector with good waterproof effect comprises a connector housing (1) having an electric wire outlet (11); a terminal (2) housed in the connector housing (1); an electric wire (3) connected to the terminal (2) and led out from the electric wire outlet (11) to the outside of the connector housing (1); the wire drawing device is characterized by further comprising a sealing plug (4), wherein the sealing plug (4) is used for sealing the wire (3) drawn out from the wire drawing port (11), the sealing plug (4) at least comprises a lower plug part (41), the lower plug part (41) stretches into the wire drawing port (11) and is matched with the inner wall of the wire drawing port (11) at one side relative to the lower plug part (41) to wrap the wrapping of the wire (3), so that the wire drawing port (11) except the wire (3) is sealed.
2. The connector with good waterproof effect according to claim 1, wherein the inner walls of the outlet openings of the sealing plug (4) and the wire outlet opening (11) are provided with tubular semicircular receiving grooves (421, 111) which are assembled with each other to form a surrounding of the wire (3), the inner peripheral surfaces of the semicircular receiving grooves (421, 111) are first contact surfaces which contact the wire (3), and at least one first crimping rib (113) is provided on the inner peripheral surfaces of the semicircular receiving grooves (421, 111) of both the sealing plug (4) and the wire outlet opening (11), the first crimping rib (113) extending in the circumferential direction of the wire (3).
3. The connector with good waterproof effect according to claim 1 or 2, wherein on three second contact surfaces (411) of the lower plug portion (41) which are in contact with the inner wall of the wire outlet (11), each second contact surface (411) is provided with at least one second crimping rib (4111), the three second crimping ribs (4111) are connected end to form a half-circle shape, and the second crimping ribs (4111) are in interference fit with the inner wall of the wire outlet (11).
4. The connector with good waterproof effect according to claim 1 or 2, characterized in that the sealing plug (4) has an upper cover part (42) with a larger area than the lower plug part (41), and the upper cover part (42) has overhanging edges (422) around.
5. The connector with good waterproof effect according to claim 1 or 2, wherein the connector housing (1) has a plurality of the wire outlets (11), and a plurality of the wires (3) respectively connected to the plurality of the terminals (2) are respectively led out from the plurality of wire outlets (11).
6. The connector with good waterproof effect according to claim 1 or 2, characterized in that a hook (12) is provided on the outer side surface of the connector housing (1), the hook (12) has a seven-shaped connecting portion (121), and a T-shaped connecting portion (122) connected with the seven-shaped connecting portion (121), and a hook portion (123) of the hook (12) is located at the lower end of the T-shaped connecting portion (122) and faces the outer side surface of the connector housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322660738.8U CN220857043U (en) | 2023-10-06 | 2023-10-06 | Connector with good waterproof effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322660738.8U CN220857043U (en) | 2023-10-06 | 2023-10-06 | Connector with good waterproof effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220857043U true CN220857043U (en) | 2024-04-26 |
Family
ID=90773479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322660738.8U Active CN220857043U (en) | 2023-10-06 | 2023-10-06 | Connector with good waterproof effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220857043U (en) |
-
2023
- 2023-10-06 CN CN202322660738.8U patent/CN220857043U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4954098A (en) | Sealed insulation displacement connector | |
| US5401181A (en) | Connector with fluid sealing | |
| US7309256B2 (en) | Flat flexible cable assembly with integrally-formed sealing members | |
| US6027589A (en) | Waterproofing method for an introduction portion of a covered conductor | |
| JP4833826B2 (en) | Connection member and harness connection body using the member | |
| JP2714784B2 (en) | Shielded electrical connector | |
| JP3062545B2 (en) | IDC type waterproof connector assembly | |
| CN220857043U (en) | Connector with good waterproof effect | |
| JP2001250602A (en) | Waterproof connector | |
| CN110391532B (en) | Connector with a locking member | |
| CN117154451A (en) | Connector with good waterproof effect and manufacturing method thereof | |
| WO2012004170A1 (en) | An arrangement, in particular a plug and a method for production | |
| GB2095924A (en) | An electric plug | |
| WO2014091552A1 (en) | Plug and cord equipped with plug | |
| CN221150398U (en) | Waterproof connector | |
| EP1172903B1 (en) | Waterproofing configuration for a lighting fixture | |
| CN212389833U (en) | Solenoid valve coil | |
| KR200209229Y1 (en) | Low Voltage Line Type Branch Connection Device | |
| JPH03687Y2 (en) | ||
| CN107732516B (en) | Cable assembly with improved cable retention | |
| JP4024916B2 (en) | Waterproof stopper | |
| CN213816560U (en) | Wire harness connector | |
| KR200273020Y1 (en) | Wire splice assembly | |
| CN218849934U (en) | Waterproof connecting assembly | |
| GB2094569A (en) | A moulded electrical connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |