CN213242928U - Electric device and sealing plug - Google Patents
Electric device and sealing plug Download PDFInfo
- Publication number
- CN213242928U CN213242928U CN202021583278.3U CN202021583278U CN213242928U CN 213242928 U CN213242928 U CN 213242928U CN 202021583278 U CN202021583278 U CN 202021583278U CN 213242928 U CN213242928 U CN 213242928U
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- plug
- sealing
- electric device
- open end
- end cap
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Abstract
The utility model provides an electric device, include the plug and be used for with the sealed end cap of plug open end complex, the inner wall of plug includes conical surface section and cylinder section, certainly the plug open end to the direction at plug middle part, the internal diameter convergent of conical surface section, sealed end cap includes the sealing and the tip of axial connection, the cross-sectional area of tip is greater than the cross-sectional area of sealing, sealed end cap install in during the plug, sealing with plug cylinder section interference fit, the perisporium of tip with the inside wall part laminating of plug conical surface section. The utility model also provides a sealed end cap for with the cooperation of plug open end. The utility model discloses an electrical part and sealed end cap through sealing and tip and the laminating of plug open end, play sealed waterproof effect, and the mounting means is simple, and the development cost that needs to drop into is lower, and the dismouting does not need the instrument, easy dismounting, and the installation is firm reliable.
Description
Technical Field
The utility model relates to an electrical part seals technical field, especially relates to an electrical part and sealed end cap.
Background
The electric device reduces the functions of the electric device and then leads to the leakage of a plug used for connecting other elements, and because the electric device is arranged at the bottom of the chassis of the automobile and needs to be sealed and waterproof, a sealing plug is required to be added for sealing.
The existing sealing plug is sealed in a clamping mode in a multi-part combination mode, the sealing matching requirements of parts are high, the research and development period is long, and the development cost is high.
Therefore, how to provide a solution to overcome or alleviate the above drawbacks remains a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an installation simple, low cost, sealed respond well electrical part.
In order to solve the technical problem, the utility model provides an electric device, include the plug and be used for with the sealed end cap of plug open end complex, the inner wall of plug includes conical surface section and cylinder section, certainly the plug open end to the direction at plug middle part, the internal diameter convergent of conical surface section, sealed end cap includes axial connection's sealing and tip, sealed end cap install in during the plug, the sealing with the plug passes through interference fit, the perisporium of tip with the inside wall part laminating of plug open end.
The utility model discloses an electrical part, plug include conical surface section and cylinder section, and sealed end cap passes through the open end interference fit of sealing and plug, simultaneously through tip and the laminating of plug open end, plays sealed waterproof effect, and the mounting means is simple, and the development cost that needs to drop into is lower, and the dismouting does not need the instrument, easy dismounting, and the installation is firm reliable.
Optionally, the transverse length of the sealing portion is greater than the transverse length of the plug open end by 0.6-1 mm.
Optionally, the peripheral wall of the seal is provided with at least one annular groove.
Alternatively, the peripheral wall of the seal portion is provided with two of the annular grooves with a predetermined distance therebetween in the axial direction.
Optionally, the axial length of the joint of the peripheral wall of the end part and the inner side wall of the opening end of the plug is 0.15-0.25 mm.
Optionally, the material of the sealing plug is a flexible material.
Optionally, the material of the sealing plug is EPDM.
The utility model also provides a sealed end cap for with the cooperation of plug open end, sealing and tip including the axial connection, the cross-sectional area of tip is greater than the cross-sectional area of sealing, the perisporium of sealing is provided with two annular grooves, two follow between the annular groove the axial of sealing has the predetermined distance, sealed end cap install in during the plug open end, the sealing with the plug passes through interference fit, the perisporium of tip with the inside wall part laminating of plug open end.
The utility model discloses a sealed end cap, through the open end interference fit of sealing and plug, simultaneously through tip and the laminating of plug open end, play sealed waterproof effect, the mounting means is simple, and the development cost that needs to drop into is lower, and the dismouting does not need the instrument, easy dismounting, and the installation is firm reliable.
Drawings
Fig. 1 is a schematic structural diagram of an electrical device according to an embodiment of the present invention;
fig. 2 is a split view of the sealing plug and the electrical plug according to an embodiment of the present invention;
FIG. 3 is a perspective view of the electrical device of FIG. 1;
wherein, in fig. 1 to 3, the respective reference numerals are:
1-sealing the plug; 11-end portion; 12-a seal; 121-an annular groove; 01-plug.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
For convenience, the terms of interest in this embodiment are defined as follows:
herein, the direction of the sealing plug 1 perpendicular to the axial direction is a transverse direction; the end of the sealing part 12 facing away from the opening end of the plug 01 is an outer end, and the end surface of the end part 11 connected with the sealing part 12 is an inner end surface.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an electrical device according to an embodiment of the present invention; fig. 2 is a split view of the sealing plug and the electrical plug according to an embodiment of the present invention; figure 3 is a perspective view of the electrical device of figure 1.
The utility model provides an electric device, including plug 01 with be used for with plug 01 open end complex sealed end cap 1, plug 01's inner wall includes conical surface section and cylinder section, from plug 01 open end to the direction at plug 01 middle part, the internal diameter convergent of conical surface section, sealed end cap 1 includes sealing 12 and the tip 11 of axial connection, when sealed end cap 1 is installed in plug 01's open end, sealing 12 passes through interference fit with plug 01 cylinder section, tip 11's perisporium and plug 01 conical surface section part laminating.
The utility model discloses an electrical part, plug 01 include conical surface section and cylinder section, and sealed end cap 1 passes through sealing 12 and plug 01 interference fit, through tip 11 simultaneously with the inside wall laminating of plug 01 open end, plays sealed waterproof effect, and the mounting means is simple, and the development cost that needs to drop into is lower, and the dismouting does not need the instrument, easy dismounting, and the installation is firm reliable.
In this embodiment, the sealing portion 12 and the open end of the plug 01 are fixed by interference fit, specifically, the transverse length of the joint between the sealing portion 12 and the inner side wall of the open end of the plug 01 is greater than the transverse length of the open end of the plug 01 by 0.6-1mm, that is, when the sealing plug 1 is inserted into the open end of the plug 01, the compression L2 of the sealing plug 1 on one side in the transverse direction along the length direction is 0.3-0.5 mm.
On one hand, the arrangement ensures that the transverse length of the sealing part 12 is not too small, the sealing effect is not influenced, and the electric device of the utility model meets the requirements of waterproof performance and safety performance; on the other hand, the transverse length of the sealing part 12 is not too large, which affects the assembly and disassembly efficiency and wastes materials. Of course, in practical applications, the size of the sealing portion 12 may be adjusted as appropriate according to factors such as the size of the plug 01, as long as the sealing effect can be ensured.
Further, referring to fig. 2, in the present embodiment, the circumferential wall of the sealing portion 12 is provided with two annular grooves 121, that is, the sealing portion 12 is engaged with the open end of the plug 01 through three layers of sealing structures, and a predetermined distance is provided between the two annular grooves 121 along the axial direction.
By providing the annular groove 121 on the peripheral wall of the sealing portion 12, on one hand, the sealing plug 1 is easier to mount or dismount from the open end of the plug 01; on the other hand, the sealing requirement is met, and meanwhile, materials can be saved, and cost is reduced.
In practical applications, the number of the annular grooves 121 provided in the sealing portion 12 is not limited strictly, and an appropriate number of the annular grooves 121 may be provided according to the actual axial length of the sealing portion 12. Of course, if the sealing plug 1 can be smoothly attached and detached and the attaching and detaching efficiency can be ensured, it is also possible to omit the annular groove 121 from the peripheral wall of the sealing portion 12.
In addition, the distance between two adjacent annular grooves 121, that is, the width of the annular flange formed before two adjacent annular grooves 121, and the depth of the annular groove 121 are not limited, and in practical application, the distance can be set according to the actual size of the sealing part 12, so that the sealing requirement of the opening end of the plug 01 can be met, and rainwater can be prevented from entering the interior of the plug 01.
Referring to fig. 3, in the present embodiment, the depth H1 of the peripheral wall of the end portion 11 and the inner sidewall of the plug 01 is 0.15-0.25mm, specifically, may be 0.2 mm.
Except that sealed end cap 1 through the inside wall laminating of sealing part 12 with plug 01 open end, the realization is sealed, and the perisporium of tip 11 also partial cartridge in the inside of plug 01 enlarges the area of contact of sealed end cap 1 with plug 01 open end inside wall, and then improves the utility model discloses the sealed effect of electrical part improves waterproof performance and security performance.
In practical application, the depth of the attachment between the peripheral wall of the end portion 11 and the inner side wall of the plug 01 is not strictly limited, and on the basis of further improving the sealing effect, the dismounting efficiency of the sealing plug 1 and the opening end of the plug 01 is ensured.
Of course, the perisporium of tip 11 and the laminating of the inside wall of plug 01 are for further improving the utility model discloses the sealed effect of electrical part, among the practical application, if can guarantee that sealed end cap 1 only laminates with the inside wall of plug 01 open end through the perisporium of sealing part 12, just can satisfy actual sealed demand, tip 11 not cartridge also is feasible inside plug 01, specifically, the interior terminal surface of tip 11 can offset with the terminal surface of plug 01 open end.
In addition, the structure of the end portion 11 is not limited to the embodiment shown in the drawings, for example, the inner end of the end portion 11 is inserted into the open end of the plug 01, and the outer end of the end portion may be provided with an L-shaped blocking portion which is attached to the outer side wall of the plug 01, so as to further improve the waterproof effect.
Furthermore, the utility model discloses well sealed end cap 1's material is flexible material, generally can be for having certain elastic material, like rubber etc. can with plug 01 open end interference plug-in fit, guarantees that sealing performance's material all can satisfy the requirement.
Specifically, the material of the sealing plug 1 in this embodiment is epdm (ethylene Propylene Diene monomer), i.e. ethylene Propylene Diene monomer, which is a terpolymer of ethylene, Propylene and non-conjugated Diene, and has good elasticity, excellent electrical insulation performance, corona resistance, outstanding aging resistance, corrosion resistance, etc., and can ensure the sealing performance when being installed at the opening end of the plug 01, thereby improving the waterproof performance of the electrical device of the present invention.
The utility model provides a sealed end cap 1 for with the open end cooperation of plug 01, sealing 12 and tip 11 including the axial connection, the cross-sectional area of tip 11 is greater than sealing 12's cross-sectional area, sealing 12's perisporium is provided with two annular grooves 121, the axial along sealing 12 has the predetermined distance between two annular grooves 121, when sealed end cap 1 is installed in plug 01's open end, sealing 12 passes through interference fit with plug 01, tip 11's perisporium and plug 01's inside wall part laminating.
The utility model discloses a sealed end cap 1, through the open end interference fit of sealing 12 with plug 01, through tip 11 and the laminating of plug 01 open end simultaneously, plays sealed waterproof effect, and the mounting means is simple, and the development cost that needs to drop into is lower, and the dismouting does not need the instrument, easy dismounting, and the installation is firm reliable.
Furthermore, the cross-sectional area of the end portion 11 of the sealing plug 1 of the present invention is larger than the cross-sectional area of the sealing portion 12, so that the end portion 11 is matched with the conical section of the opening end of the plug 01, and the sealing portion 12 is matched with the cylindrical section of the opening end of the plug 01. In practical application, the cross-sectional areas of the end portion 11 and the sealing portion 12 may also be equal and are matched with the size of the conical section of the sealing plug 1, and meanwhile, the end portion 11 and the sealing portion 12 are made of materials with different elasticity, so as to ensure that the elasticity of the sealing portion 12 is greater than that of the end portion 11, so that when the sealing plug 1 is inserted into the open end of the plug 01, the sealing portion 12 can be contracted to be matched with the cylindrical section of the plug 01.
It is right above the utility model provides an electrical part and sealed end cap have carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping understanding the utility model discloses a method and core thought thereof. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. An electric device characterized by: the sealing plug comprises a plug (01) and a sealing plug (1) matched with the opening end of the plug (01), wherein the inner wall of the plug (01) comprises a conical surface section and a cylindrical surface section, the inner diameter of the conical surface section is gradually reduced from the opening end of the plug (01) to the middle of the plug (01), the sealing plug (1) comprises a sealing part (12) and an end part (11) which are axially connected, the cross sectional area of the end part (11) is larger than that of the sealing part (12), when the sealing plug (1) is installed at the opening end of the plug (01), the sealing part (12) is in interference fit with the cylindrical surface section of the plug (01), and the peripheral wall of the end part (11) is attached to the inner side wall part of the conical surface section of the plug (01).
2. An electric device according to claim 1, characterized in that: the transverse length of the sealing part (12) is 0.6-1mm larger than that of the opening end of the plug (01).
3. An electric device according to claim 1, characterized in that: the peripheral wall of the sealing part (12) is provided with at least one annular groove (121).
4. An electric device according to claim 3, characterized in that: the peripheral wall of the sealing part (12) is provided with two annular grooves (121), and a preset distance is reserved between the two annular grooves (121) along the axial direction.
5. An electric device according to any one of claims 1-4, characterized in that: the axial length of the joint of the peripheral wall of the end part (11) and the inner side wall of the opening end of the plug (01) is 0.15-0.25 mm.
6. An electric device according to any one of claims 1-4, characterized in that: the sealing plug (1) is made of flexible materials.
7. An electric device according to claim 6, characterized in that: the material of the sealing plug (1) is EPDM.
8. A sealed end cap, is used for cooperating with plug (01) open end, its characterized in that: the sealing structure comprises a sealing part (12) and an end part (11) which are axially connected, wherein the cross sectional area of the end part (11) is larger than that of the sealing part (12), two annular grooves (121) are formed in the peripheral wall of the sealing part (12), a preset distance is formed between the two annular grooves (121) along the axial direction of the sealing part (12), when the sealing plug (1) is installed at the opening end of the plug (01), the sealing part (12) is in interference fit with the cylindrical section of the plug (01), and the peripheral wall of the end part (11) is attached to the inner side wall part of the conical section of the plug (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583278.3U CN213242928U (en) | 2020-08-03 | 2020-08-03 | Electric device and sealing plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583278.3U CN213242928U (en) | 2020-08-03 | 2020-08-03 | Electric device and sealing plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213242928U true CN213242928U (en) | 2021-05-18 |
Family
ID=75892591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021583278.3U Active CN213242928U (en) | 2020-08-03 | 2020-08-03 | Electric device and sealing plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213242928U (en) |
-
2020
- 2020-08-03 CN CN202021583278.3U patent/CN213242928U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221212 Address after: No. 21, Cheyuan henger Road, Liuzhou City, Guangxi Zhuang Autonomous Region, 545007 Patentee after: Liuzhou Wuling New Energy Automobile Co.,Ltd. Address before: 545007 No. 18 Hexi Road, the Guangxi Zhuang Autonomous Region, Liuzhou Patentee before: Guangxi Automobile Group Co.,Ltd. Patentee before: Liuzhou Wuling Automobile Industry Co.,Ltd. |