CN209518738U - A kind of power supply base - Google Patents
A kind of power supply base Download PDFInfo
- Publication number
- CN209518738U CN209518738U CN201821232710.7U CN201821232710U CN209518738U CN 209518738 U CN209518738 U CN 209518738U CN 201821232710 U CN201821232710 U CN 201821232710U CN 209518738 U CN209518738 U CN 209518738U
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- China
- Prior art keywords
- sealing ring
- lower connector
- power supply
- position limiting
- supply base
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Abstract
The utility model relates to a kind of power supply bases, including upper cover, sealing ring, lower connector and lower cover, the upper lid is equipped with centre bore, and the lower connector passes through centre bore, the sealing ring and lower connector side wall are in sealing contact, and the sealing ring and upper cover are cooperatively connected by position limiting structure.The position limiting structure includes at least one positioning column for being arranged on upper lid and the location hole on sealing ring is arranged at least one, and the positioning column and location hole correspond, and the positioning column is inserted into corresponding location hole.The utility model uses built-in sealing ring, realizes cooperation positioning by position limiting structure, can avoid ponding by flowing inward into lower connector downwards at the gap of lower connector and upper cover, to can effectively protect internal structure, avoids short circuit.
Description
Technical field
The utility model relates to a kind of household electrical appliance more particularly to a kind of power supply bases.
Background technique
The power supply base component of existing liquid heater generally comprises upper cover, lower connector and lower cover, and lower connector with
Without sealing structure between lower cover, if there is ponding on power supply base surface in use or accidentally on power supply base surface
On spread a little water, ponding can be by extending downwardly and inwardly at the gap of lower connector and upper cover to lower connector, so that line
There is droplet linking to cause short circuit between road, easily influences the reliability of lower connector internal wiring.
Utility model content
Based on the above situation, the utility model provides a kind of power supply base, using built-in sealing ring, is tied by limit
Structure realizes cooperation positioning, can avoid ponding by flowing inward into lower connector downwards at the gap of lower connector and upper cover
Portion prevents short circuit to can effectively protect internal structure.
To achieve the goals above, the utility model uses following technical scheme:
A kind of power supply base, including upper cover, sealing ring, lower connector and lower cover, the upper lid is equipped with centre bore, described
Lower connector passes through centre bore, and the sealing ring and lower connector side wall are in sealing contact, and the sealing ring and upper cover pass through limit
Structure is cooperatively connected.
Preferably, the position limiting structure includes that at least one positioning column for being arranged on upper lid and at least one setting exist
Location hole on sealing ring, the positioning column and location hole correspond, and the positioning column is inserted into corresponding location hole.
Preferably, the positioning column number is 3 to 9, each positioning column is along centre bore circumferential direction uniform parts.
Preferably, the position limiting structure includes at least one buckle being arranged on upper lid, the buckle pushes down sealing
Circle.
Preferably, the buckle number is 3 to 6, each buckle is along centre bore circumferential direction uniform parts.
Preferably, the sealing ring is fixed with upper cover.
Preferably, the position limiting structure includes the inner convex rib ring being arranged on upper lid and the ring being arranged on sealing ring
Slot, for the inner convex rib ring in annular groove, the inner convex rib ring compresses sealing ring.
Preferably, the axial compression amount of the gasket is 0.3mm-1mm, the radial compression amount of the gasket is
0.3mm-1mm, the upper lid are equipped with deep gouge, and the sealing ring is located within deep gouge.
A kind of power supply base, including upper cover, sealing ring, lower connector and lower cover, the upper lid is equipped with centre bore, described
Lower connector passes through centre bore, and the sealing ring and lower connector side wall are in sealing contact, and the sealing ring passes through with lower connector
Position limiting structure is cooperatively connected.
Preferably, the position limiting structure includes that the annular convex rib being arranged on lower connector lateral wall and setting are sealing
Cooperation annular groove on circle, annular convex rib is in cooperation annular groove；Or the position limiting structure includes being arranged in lower connector lateral wall
On limited step, sealing ring contacts with limited step.
The beneficial effects of the utility model are: cooperation positioning is realized by position limiting structure using built-in sealing ring, it can
Avoid ponding by flowing inward into lower connector downwards at the gap of lower connector and upper cover, thus in caning effectively protect
Portion's structure, avoids short circuit；Lower connector can be upper end and be in outside upper cover, is also possible to lower end and is in outside upper cover, sealing ring with
Lower connector side wall is in sealing contact, and sealing ring and upper cover are cooperatively connected by position limiting structure, so as to provide effective sealing, avoids
Ponding at the gap of lower connector and upper cover by flowing inward into lower connector downwards, to can effectively protect internal junction
Structure prevents short circuit；Location hole directly cooperates with positioning column, forms effectively limit, can keep the locating effect of sealing ring, positioning column
It should not be too large with the installation magnitude of interference on gasket between location hole, it is tight otherwise to will lead to Ka get Tai, is unfavorable for dismounting, positioning column
It is unsuitable too small with the installation magnitude of interference on gasket between location hole, it otherwise will lead to and position not firm, comprehensive consideration, it is preferably fixed
Installation magnitude of interference on position column and gasket between location hole is 0.2mm or so；Positioning column number is very few, then locating effect compared with
Difference, positioning column number is excessive, then structure and material is opposite wastes, and comprehensive consideration, preferred orientation column number is 3 to 9；Buckle can
Directly to push down sealing ring, the locating effect of sealing ring can be kept, the distance that buckle head extends transversely into sealing ring should not be too large,
Otherwise it is easy to cause assembly difficulty, the distance that buckle head extends transversely into sealing ring is unsuitable too small, and limit is otherwise easy to cause to imitate
Fruit is poor, comprehensive consideration, and the distance that preferably buckle head extends transversely into sealing ring is greater than or equal to 0.8mm；It is very few to buckle number, then
Limit effect is poor, and buckle number is excessive, then structure and material is opposite wastes, comprehensive consideration, and preferably buckle number is 3 to 6；
Sealing ring can be fixed directly with upper cover, for example, sealing ring can with well in advance, then directly by way of quadric injection mould with
Upper cover is molded into together.Sealing ring can be used TPE elastoplastic and be manufactured；Inner convex rib ring can directly cooperate with annular groove, from
And sealing ring is positioned, it can be with the guiding angle R in order to the installation of sealing ring at inner convex rib ring outer rim；Axial compression amount, diameter
If excessive to decrement, the relatively easy aging of sealing ring, and it is difficult to install, if axial compression amount, radial compression amount are too small,
Sealing effect is not good enough, comprehensive consideration, and preferably the axial compression amount of gasket is 0.3mm-1mm, the preferably radial compression of gasket
Amount is 0.3mm-1mm, and sealing ring is located within deep gouge, is more conducive to position and keep the stability in the course of work；Sealing
Circle is in sealing contact with lower connector side wall, and sealing ring and lower connector are cooperatively connected by position limiting structure, so as to provide effectively
Sealing, avoids ponding from flowing into inside lower connector by gap, to can effectively protect internal structure, prevents short circuit；Annular
Convex ribs can directly cooperate with annular groove, so that sealing ring is positioned, it can be with the guiding angle R in order to close at annular convex rib outer rim
The installation of seal；Using limited step position limiting sealed circle, it can ensure that sealing ring is in setting position, is not easy to shift, so as to have
Effect guarantees sealing effect.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, for those of ordinary skills, without creative efforts, can also be obtained according to following attached drawings
Obtain other attached drawings.
Fig. 1 is the explosive view of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the partial structural diagram of embodiment 2；
Fig. 5 is the explosive view of embodiment 3；
Fig. 6 is the enlarged drawing in Fig. 5 at B；
Fig. 7 is the partial structural diagram of embodiment 5；
Fig. 8 is a kind of partial structural diagram of embodiment 6；
Fig. 9 is another partial structural diagram of embodiment 6.
Appended drawing reference: upper cover 1, centre bore 1a, positioning column 11, buckle 12, inner convex rib ring 13, annular convex rib 14, limiting stand
Rank 15, sealing ring 2, location hole 2a, lower connector 3, lower cover 4.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature " on " or " it
Under " it may include that the first and second features directly contact, it also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Below with reference to the accompanying drawings insulating pot according to the utility model embodiment is described.
Embodiment 1: as shown in Figure 1,
A kind of power supply base, including upper cover 1, sealing ring 2, lower connector 3 and lower cover 4, the upper cover 1 are equipped with centre bore
1a, the lower connector 3 pass through centre bore 1a, and the sealing ring 2 and 3 side wall of lower connector are in sealing contact, the sealing ring 2 and
Upper cover 1 is cooperatively connected by position limiting structure.Lower connector 3 can be upper end and be in outside upper cover 1, is also possible to lower end and is in upper cover
Outside 1, sealing ring 2 and 3 side wall of lower connector are in sealing contact, and sealing ring 2 and upper cover 1 are cooperatively connected by position limiting structure, so as to
Effectively sealing is provided, avoids ponding by flowing inward into downwards at the gap of lower connector 3 and upper cover 1 to lower connector 3,
To can effectively protect internal structure, short circuit is prevented.
Embodiment 2: being based on embodiment 1, as shown in Figure 2, Figure 3, Figure 4,
The position limiting structure includes at least one positioning column 11 for being arranged in upper cover 1 and at least one is arranged in sealing ring
Location hole 2a on 2, the positioning column 11 and location hole 2a one-to-one correspondence, the positioning column 11 are inserted into corresponding location hole 2a
In.Location hole 2a and positioning column 11 directly cooperates, are formed and are effectively limited, and can keep the locating effect of sealing ring 2, positioning column 11 and
Installation magnitude of interference on gasket between location hole 2a should not be too large, and it is tight otherwise to will lead to Ka get Tai, be unfavorable for dismounting, positioning column
11 and gasket on installation magnitude of interference between location hole 2a it is unsuitable too small, otherwise will lead to and position not firm, comprehensive consideration, it is excellent
Selecting the installation magnitude of interference on positioning column 11 and gasket between location hole 2a is 0.2mm or so.
11 number of positioning column is 3 to 9, and each positioning column 11 is along centre bore 1a circumferential direction uniform parts.The number of positioning column 11
Mesh is very few, then locating effect is poor, and 11 number of positioning column is excessive, then structure and material is opposite wastes, comprehensive consideration, preferred orientation
11 number of column is 3 to 9.
Embodiment 3: being based on embodiment 1 or 2, as shown in Figure 5, Figure 6,
The position limiting structure includes the buckle 12 that at least one is arranged in upper cover 1, and the buckle 12 pushes down sealing ring 2.
Buckle 12 can directly push down sealing ring 2, can keep the locating effect of sealing ring 2, and 12 heads of buckle extend transversely into sealing ring 2
Distance should not be too large, and otherwise be easy to cause assembly difficulty, the distance that 12 heads of buckle extend transversely into sealing ring 2 is unsuitable too small, no
Then it is easy to cause limit effect poor, comprehensive consideration preferably buckles 12 heads and extends transversely into the distance of sealing ring 2 and is greater than or equal to
0.8mm。
12 numbers of the buckle are 3 to 6, each to buckle 12 along centre bore 1a circumferential direction uniform parts.It is very few to buckle 12 numbers,
Then limit effect is poor, and 12 numbers of buckle are excessive, then structure and material is opposite wastes, and comprehensive consideration, preferably buckling 12 numbers is 3
To 6.
Embodiment 4: being based on embodiment 1 or 2 or 3,
The sealing ring 2 and upper cover 1 are fixed.Sealing ring 2 can be fixed directly with upper cover 1, for example, sealing ring 2 can be pre-
It first carries out, is then molded into together directly by way of quadric injection mould with upper cover 1.Sealing ring 2 can be used TPE elastoplastic into
Row manufacture.
Embodiment 5: being based on embodiment 1, as shown in fig. 7,
The position limiting structure includes the inner convex rib ring 13 being arranged in upper cover 1 and the annular groove being arranged on sealing ring 2, described
For inner convex rib ring 13 in annular groove, the inner convex rib ring 13 compresses sealing ring 2.Inner convex rib ring 13 can directly cooperate with annular groove,
It, can be with the guiding angle R in order to the installation of sealing ring 2 at 13 outer rim of inner convex rib ring to be positioned to sealing ring 2.
The axial compression amount of the gasket is 0.3mm-1mm, and the radial compression amount of the gasket is 0.3mm-1mm,
The upper cover 1 is equipped with deep gouge, and the sealing ring 2 is located within deep gouge.If axial compression amount, radial compression amount are excessive, close
The relatively easy aging of seal 2, and it is difficult to install, if axial compression amount, radial compression amount are too small, sealing effect is not good enough, comprehensive
It considers, preferably the axial compression amount of gasket is 0.3mm-1mm, and the preferably radial compression amount of gasket is 0.3mm-1mm, and close
Seal 2 is located within deep gouge, is more conducive to position and keep the stability in the course of work.
Embodiment 6: as shown in Fig. 1, Fig. 8, Fig. 9,
A kind of power supply base, including upper cover 1, sealing ring 2, lower connector 3 and lower cover 4, the upper cover 1 are equipped with centre bore
1a, the lower connector 3 pass through centre bore 1a, and the sealing ring 2 and 3 side wall of lower connector are in sealing contact, the sealing ring 2 and
Lower connector 3 is cooperatively connected by position limiting structure.Sealing ring 2 and 3 side wall of lower connector are in sealing contact, sealing ring 2 and lower connection
Device 3 is cooperatively connected by position limiting structure, so as to provide effective sealing, ponding is avoided to flow into lower connector 3 by gap
Portion prevents short circuit to can effectively protect internal structure.
As shown in Figure 8, the position limiting structure includes the annular convex rib 14 being arranged on 3 lateral wall of lower connector and setting
Cooperation annular groove on sealing ring 2, annular convex rib 14 is in cooperation annular groove；Or as shown in Figure 9, the position limiting structure includes
Limited step 15 on 3 lateral wall of lower connector is set, and sealing ring 2 is contacted with limited step 15.Annular convex rib 14 can be straight
It connects and cooperates with annular groove, so that sealing ring 2 is positioned, it can be with the guiding angle R in order to sealing ring 2 at 14 outer rim of annular convex rib
Installation；Using 15 position limiting sealed circle 2 of limited step, it can ensure that sealing ring 2 is in setting position, is not easy to shift, so as to effective
Guarantee sealing effect.
Claims (10)
1. a kind of power supply base, characterized in that including upper cover, sealing ring, lower connector and lower cover, the upper lid is equipped with center
Hole, the lower connector pass through centre bore, and the sealing ring and lower connector side wall are in sealing contact, and the sealing ring and upper cover are logical
Cross position limiting structure mating connection.
2. a kind of power supply base according to claim 1, characterized in that the position limiting structure includes that at least one setting exists
Positioning column on upper lid and at least one the location hole on sealing ring is set, the positioning column and location hole correspond, institute
Positioning column is stated to be inserted into corresponding location hole.
3. a kind of power supply base according to claim 2, characterized in that the positioning column number is 3 to 9, each to position
Column is along centre bore circumferential direction uniform parts.
4. a kind of power supply base according to claim 1, characterized in that the position limiting structure includes that at least one setting exists
Buckle on upper lid, the buckle push down sealing ring.
5. a kind of power supply base according to claim 4, characterized in that the buckle number is 3 to 6, respectively buckles edge
Centre bore circumferential direction uniform parts.
6. a kind of power supply base described according to claim 1 or 2 or 3 or 4 or 5, characterized in that the sealing ring and upper cover are solid
It is fixed.
7. a kind of power supply base according to claim 1, characterized in that the position limiting structure includes being arranged on upper lid
Inner convex rib ring and the annular groove being arranged on sealing ring, for the inner convex rib ring in annular groove, the inner convex rib ring compresses sealing ring.
8. a kind of power supply base described according to claim 1 or 2 or 3 or 4 or 5 or 7, characterized in that the axis of the sealing ring
It is 0.3mm-1mm to decrement, the radial compression amount of the sealing ring is 0.3mm-1mm, and the upper lid is equipped with deep gouge, described
Sealing ring is located within deep gouge.
9. a kind of power supply base, characterized in that including upper cover, sealing ring, lower connector and lower cover, the upper lid is equipped with center
Hole, the lower connector pass through centre bore, and the sealing ring and lower connector side wall are in sealing contact, the sealing ring and lower connection
Device is cooperatively connected by position limiting structure.
10. a kind of power supply base according to claim 9, characterized in that
The position limiting structure include the annular convex rib being arranged on lower connector lateral wall and be arranged on sealing ring with cyclization
Slot, annular convex rib is in cooperation annular groove；Or
The position limiting structure includes the limited step being arranged on lower connector lateral wall, and sealing ring is contacted with limited step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821232710.7U CN209518738U (en) | 2018-08-01 | 2018-08-01 | A kind of power supply base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821232710.7U CN209518738U (en) | 2018-08-01 | 2018-08-01 | A kind of power supply base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209518738U true CN209518738U (en) | 2019-10-22 |
Family
ID=68213803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821232710.7U Active CN209518738U (en) | 2018-08-01 | 2018-08-01 | A kind of power supply base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209518738U (en) |
-
2018
- 2018-08-01 CN CN201821232710.7U patent/CN209518738U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230615 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |