CN210957101U - Injection molding sealing plug and connector thereof - Google Patents
Injection molding sealing plug and connector thereof Download PDFInfo
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- CN210957101U CN210957101U CN202020117801.7U CN202020117801U CN210957101U CN 210957101 U CN210957101 U CN 210957101U CN 202020117801 U CN202020117801 U CN 202020117801U CN 210957101 U CN210957101 U CN 210957101U
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Abstract
The utility model discloses a sealing plug for injection molding and a connector thereof, which belong to the field of conductive connecting devices and are used for cable connection, the sealing plug comprises a flange, two or more sealing cylinders are arranged in the length direction of the flange, the sealing cylinders are respectively processed with a sealing section, a guiding section and a supporting section by taking the flange as a starting point, and the sealing section, the guiding section and the supporting section are of an integrated structure; a jack is processed at the central axis of the sealing cylinder body and penetrates through the sealing cylinder body and the flange; the sealing section is a cylinder with the outer diameter larger than that of the supporting section, and the guiding section is of a frustum structure. In view of above-mentioned technical scheme, the utility model discloses can be through the improvement to the sealing plug structure, guarantee that the sealing plug is in the encapsulated situation of ideal all the time between terminal and the connector when moulding plastics the taper sleeve.
Description
Technical Field
The utility model belongs to electrically conductive connecting device field, specifically speaking especially relates to a seal plug and connector for moulding plastics for car cable junction connector.
Background
Along with the development of the social and economic level and science and technology, sensors on automobiles are more and more applied, and the sensors and the circuits of the original control system of the automobile need to be connected in a plug-in mode, so that a plug-in connector is needed. The plug-in connector is produced by adopting an injection mold production process in the production process.
For example, most connectors and terminals used in automobiles are assembled and mated, and in order to ensure the sealing performance after the connectors and terminals are connected, sealing plugs are often added to the tail portions of the terminals. When the terminal and the plug connector are assembled, the interference fit between the sealing plug and the plug connector can play a sealing role by compressing the sealing plug. The plug connector is characterized in that a taper sleeve structure is formed by injection molding of an elastic material outside the plug connector, so that the tensile strength between the plug connector and a cable connected with a terminal is improved, the bending resistance and the wear resistance of the cable are improved, and the like. The increase of the taper sleeve causes the problems that the sealing plug can generate glue overflow or cause the deformation and sealing failure of the sealing ring and the like under the action of injection molding high pressure in the process of injection molding of the taper sleeve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mould plastics and use sealing plug and connector thereof, it is through the improvement to the sealing plug structure, guarantees that the sealing plug is in the encapsulated situation of ideal all the time between terminal and the connector when the taper sleeve is moulded plastics.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
a sealing plug for injection molding comprises a flange, wherein two or more sealing cylinders are arranged in the length direction of the flange, the sealing cylinders are respectively processed with a sealing section, a guiding section and a supporting section by taking the flange as a starting point, and the sealing section, the guiding section and the supporting section are of an integrated structure; a jack is processed at the central axis of the sealing cylinder body and penetrates through the sealing cylinder body and the flange; the sealing section is a cylinder with the outer diameter larger than that of the supporting section, and the guiding section is of a frustum structure.
A sealing plug for injection molding comprises a sealing cylinder body, wherein the sealing cylinder body is provided with a supporting section, a guiding section and a sealing section from top to bottom, the outer diameter of the supporting section is larger than that of the sealing section, and the longitudinal section of the guiding section is of a frustum structure; the top end face of the supporting section is provided with a jack which is coincident with the central axis of the supporting section, and the jack penetrates through the guiding section and the sealing section.
The plug connector provided with the injection molding sealing plug comprises a plug connector, wherein a terminal is inserted in the plug connector and connected with a cable, the cable penetrates through the injection molding sealing plug, and the injection molding sealing plug is positioned at the tail of the terminal.
Furthermore, the utility model discloses in the outside of connector be provided with the taper sleeve, the taper sleeve cladding is in the outside of connector and cable.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can effectively guarantee to mould plastics at the in-process of the taper sleeve of moulding plastics of connector and use the sealing plug to the sealed effect of connector and terminal, guarantee sealed effect, prevent the problem of excessive gluey or sealing washer deformation seal failure that appears.
Drawings
Fig. 1 is a front view of the sealing plug for injection molding of the present invention.
Fig. 2 is a perspective view of the first sealing plug for injection molding of the present invention.
Fig. 3 is a second perspective view of the sealing plug for injection molding of the present invention.
Fig. 4 is a schematic structural diagram of the connector of the present invention.
In the figure: 1. a flange; 2. a sealing section; 3. a guide section; 4. a support section; 5. a jack; 6. a plug-in connector; 7. a terminal; 8. a sealing plug for injection molding; 9. a cable; 10. a taper sleeve.
Detailed Description
The technical solution of the present invention will be further described and illustrated with reference to the following examples. It should be noted that, in the following paragraphs, possible directional terms including, but not limited to, "upper, lower, left, right, front, rear" and the like are used, and all directions are meant to correspond to the visual directions shown in the drawings of the specification, which should not be construed as limiting the scope or technical solutions of the present invention, and are only for facilitating the better understanding of the technical solutions of the present invention by those skilled in the art.
In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
The utility model provides a seal plug for moulding plastics, includes sealed cylinder, sealed cylinder from last to having set gradually support section 4, guide section 3, sealing section 2 down, wherein the external diameter of support section 4 be less than sealing section 2's external diameter, guide section 3 is used for transitional coupling to support section 4 and sealing section 2, guide section 3's longitudinal section is frustum type structure. The top end face of the support section 4 is provided with a jack 5 coinciding with the central axis of the support section, and the jack 5 downwards penetrates through the guide section 3 and the sealing section 2.
Example 2
A sealing plug for injection molding is characterized in that a sealing cylinder is distributed in the length direction of a flange 1, the flange 1 is a long strip-shaped plate body, and the sealing cylinder and a sealing section 2 in the sealing cylinder are integrally injected and molded. The supporting section 4, the guiding section 3 and the sealing section 2 are integrally formed by injection molding. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.
Example 3
The plug connector provided with the injection molding sealing plug in embodiment 1 or embodiment 2 comprises a plug connector, wherein a terminal 7 is inserted into the plug connector 6, the terminal 7 is connected with a cable 9, the cable 9 penetrates through the injection molding sealing plug 8, and the injection molding sealing plug 8 is positioned at the tail part of the terminal 7; the taper sleeve 10 is arranged outside the plug-in connector 6, and the taper sleeve 10 is coated outside the plug-in connector 6 and the cable 9.
On the basis of the above embodiments, the present invention proceeds with detailed descriptions of technical features and functions thereof, so as to help those skilled in the art fully understand the technical solution of the present invention and reproduce it.
The utility model discloses in, as shown in fig. 1 to fig. 3, its support section 4 the diameter be less than seal segment 2, support between section 4 and the interior hole of connector for clearance fit, its effect lies in the in-process of moulding plastics and the contact of front terminal 7 is in order to play the supporting role to offset the pressure of the in-process of moulding plastics.
The utility model discloses in, the longitudinal section of direction section 3 be frustum type structure to form guide angle between support section 4 and seal segment 2, play the guide effect, so that mould plastics with sealing plug 8's equipment.
The utility model discloses in, sealed section 2 the effect lie in and the interior hole of connector between form interference fit, rely on the produced pressure of radial compression to play and offset injection pressure and sealed function.
The utility model discloses in, seal segment 2, direction section 3 and support section 4 constitute a body structure of sealed cylinder at the in-process of moulding plastics, be provided with the integrative flange 1 of moulding plastics with it at seal segment 2's afterbody, flange 1 can be used for connecting the sealed cylinder more than two, and can closely laminate with the connector under injection pressure at the in-process of moulding plastics, play and offset injection pressure and sealed effect. As shown in fig. 1 to 3, the flange 1 of the present invention is a strip-shaped plate body with arc-shaped transition surfaces at two ends.
As shown in fig. 4, in the present invention, the connector 6 and the terminal 7 are assembled and matched, and after the assembly and the matching are completed, in order to improve the sealing performance of the two, the tail of the terminal is hidden by the sealing plug 8 for injection molding, and the structure of the sealing plug 8 for injection molding is as described in the above paragraphs. Since the tail portions of the terminals 7 are also connected to the cables 9, the cables 9 need to be passed through the insertion holes 5 in the injection-molded sealing plugs 8. When the terminal 7 is assembled, the sealing effect is realized by means of compression deformation caused by interference fit of the injection molding sealing plug 8.
The utility model discloses in taper sleeve 10 cover wrap up in the tail end of connector 6 and extend to on the cable 9, taper sleeve 10's effect lies in its promotion, the improvement of hookup location department cable bending resistance ability, improvement wearability etc. that can realize joint strength between cable 9 and the connector 6.
Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (4)
1. A sealing plug for injection moulding, comprising a flange (1), characterized in that: two or more sealing cylinders are arranged in the length direction of the flange (1), the sealing cylinders are respectively processed with a sealing section (2), a guiding section (3) and a supporting section (4) by taking the flange (1) as a starting point, and the sealing section (2), the guiding section (3) and the supporting section (4) are of an integrated structure; a jack (5) is processed at the central axis of the sealing cylinder body, and the jack (5) penetrates through the sealing cylinder body and the flange (1); the sealing section (2) is a cylinder with the outer diameter larger than that of the supporting section (4), and the guiding section (3) is of a frustum structure.
2. The utility model provides a sealing plug for moulding plastics, includes sealed cylinder, its characterized in that: the sealing column body is provided with a supporting section (4), a guiding section (3) and a sealing section (2) from top to bottom, the outer diameter of the supporting section (4) is larger than that of the sealing section (2), and the longitudinal section of the guiding section (3) is of a frustum structure; the top end face of the supporting section (4) is provided with a jack (5) coincident with the central axis of the supporting section, and the jack (5) penetrates through the guide section (3) and the sealing section (2).
3. A plug connector fitted with an injection moulding sealing plug according to claim 1 or claim 2, comprising a plug connector (6), characterised in that: the connector is characterized in that a terminal (7) is inserted in the connector (6), the terminal (7) is connected with a cable (9), the cable (9) penetrates through a sealing plug (8) for injection molding, and the sealing plug (8) for injection molding is located at the tail of the terminal (7).
4. The connector of claim 3, wherein: the taper sleeve (10) is arranged outside the plug-in connector (6), and the taper sleeve (10) is coated outside the plug-in connector (6) and the cable (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117801.7U CN210957101U (en) | 2020-01-18 | 2020-01-18 | Injection molding sealing plug and connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117801.7U CN210957101U (en) | 2020-01-18 | 2020-01-18 | Injection molding sealing plug and connector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210957101U true CN210957101U (en) | 2020-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020117801.7U Active CN210957101U (en) | 2020-01-18 | 2020-01-18 | Injection molding sealing plug and connector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210957101U (en) |
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2020
- 2020-01-18 CN CN202020117801.7U patent/CN210957101U/en active Active
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