CN207765933U - A kind of sealing device of power cord connector - Google Patents
A kind of sealing device of power cord connector Download PDFInfo
- Publication number
- CN207765933U CN207765933U CN201721462689.5U CN201721462689U CN207765933U CN 207765933 U CN207765933 U CN 207765933U CN 201721462689 U CN201721462689 U CN 201721462689U CN 207765933 U CN207765933 U CN 207765933U
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- power cord
- fixing bolt
- sealing
- wall
- sealing device
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Abstract
The utility model discloses a kind of sealing devices of power cord connector, including the fixing bolt being set in outside power cord, connect the locking nut of the fixing bolt and external component, and it is installed on the packing nut at the clamping ring of the fixing bolt for locking the fixing bolt and the power cord, the clamping ring has multiple clamp jaws, there is gap between the adjacent clamp jaw, the clamp jaw is less than the packing nut and on the inside of the packing nut, first sealing ring is installed between the clamping ring and the power cord, it can make that the inner wall of first sealing ring and the outer wall of the power cord fit closely and the inner wall of the packing nut and the outer wall of first sealing ring fit closely by locking the packing nut.The sealing device of the power cord connector efficiently solve the sealing device of power cord connector sealing effect it is poor the problems such as.
Description
Technical field
The utility model is related to power supply apparatus technical fields, more particularly to a kind of sealing device of power cord connector.
Background technology
The sealing structure of the sealing device of existing power cord connector is primarily present following problem：Packing nut 01 exists
During locking, the inner wall of packing nut 01 can only contact always with the clamping ring of fixing bolt 02, and clamping ring is plastic part
Even if after closing up, each between cog still has the gap, and the inner wall of packing nut 01 is not bonded with sealing ring, so ideal is not achieved
Sealing effect；The matching part of fixing bolt 02 and sealing ring is not provided with manger step, when having a small amount of liquid along fixation
The clamping ring of bolt 02 can successfully enter along the inner wall of fixing bolt 02 in the structural member for needing to seal into fashionable liquid
Portion；O-ring seals are not provided between power cord and fixing bolt 02 to be sealed, locking nut 03 connects the fixing bolt
And external component, as shown in FIG. 1, FIG. 1 is a kind of structural representations of the sealing device of typical power cord connector in the prior art
Figure.
In conclusion the problems such as sealing effect for how efficiently solving the sealing device of power cord connector is poor, is mesh
Preceding those skilled in the art's urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of sealing device of power cord connector, the sealing device of the power cord connector
Efficiently solve the sealing device of power cord connector sealing effect it is poor the problems such as.
In order to solve the above technical problems, the utility model provides the following technical solutions：
A kind of sealing device of power cord connector, including it is set in fixing bolt outside power cord, the connection fixation
The locking nut of bolt and external component, and be installed at the clamping ring of the fixing bolt for locking the fixing bolt
With the packing nut of the power cord, the clamping ring has multiple clamp jaws, has gap, institute between the adjacent clamp jaw
Clamp jaw is stated less than the packing nut and on the inside of the packing nut, is equipped between the clamping ring and the power cord
First sealing ring can make the outer wall of the inner wall and the power cord of first sealing ring tight by locking the packing nut
It is closely connected conjunction and the inner wall of the packing nut and the outer wall of first sealing ring fit closely.
Preferably, the matching part of first sealing ring is provided with manger step, the folder on the fixing bolt
There is groove between the inside of collar and the manger step.
Preferably, packing nut inner wall is from the gradual inclined inclined-plane inwardly of beginning terminad.
Preferably, the lower end inside of the fixing bolt has between the power cord and the fixing bolt and opens
Slot is provided with the second sealing ring in the fluting.
Preferably, the bolt body of the fixing bolt is integrally formed with the clamping ring.
Preferably, the fixing bolt is plastic part.
Preferably, third sealing ring is connected between the fixing bolt and the locking nut.
Preferably, second sealing ring and the third sealing ring are specially O-ring seals.
The sealing device of power cord connector provided by the utility model, including fixing bolt, locking nut and packing
Nut, fixing bolt are set in outside power cord, and locking nut connects the fixing bolt and external component, that is, fixed spiral shell
Bolt is attached by the external components such as locking nut and automatically controlled box cover.Packing nut is installed on the clamping ring of the fixing bolt
Place, for locking the fixing bolt and the power cord.The clamping ring have multiple clamp jaws, the adjacent clamp jaw it
Between there is gap, that is, with opening, clamping ring is larger by the dynamics of pressing force to the contract of packing nut.The folder
Tight pawl is equipped with first less than the packing nut and on the inside of the packing nut between the clamping ring and the power cord
Sealing ring can be such that the inner wall of first sealing ring is closely pasted with the outer wall of the power cord by locking the packing nut
It closes and the inner wall of the packing nut and the outer wall of first sealing ring fits closely.That is, by locking packing spiral shell
The inner wall of mother, the first sealing ring can push the clamping ring radially inward of fixing bolt to shrink, and clamping ring can oppress again
The inner wall of one sealing ring is fitted closely with power cord outer wall, to reach the first sealing ring inner wall and power cord outer wall sealing
Effect；Meanwhile during locking packing nut, the inner wall of packing nut can compress the outer wall of the first sealing ring, to reach
To the sealing effect of the inner wall of packing nut and the first sealing ring outer wall.
The sealing device of power cord connector provided by the utility model can make packing by the clamp jaw of fixing bolt
Sealed protective structure is formed between nut, the first sealing ring, power cord three, to reach extraordinary sealing effect.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the sealing device of typical power cord connector in the prior art；
Fig. 2 is shown by a kind of structure of the sealing device for the power cord connector that specific implementation mode provides in the utility model
It is intended to；
Fig. 3 is the structural schematic diagram of fixing bolt in Fig. 2.
It is marked in attached drawing as follows：
01- packings nut, 02- fixing bolts, 03- locking nuts；
1- packings nut, the first sealing rings of 2-, 3- manger steps, 4- fixing bolts, 5- thirds sealing ring, 6- locking screws
Mother, the second sealing rings of 7-, 8- power cords, 41- clamping rings, 42- clamp jaws.
Specific implementation mode
The core of the utility model is to provide a kind of sealing device of power cord connector, the sealing device of the power cord connector
Efficiently solve the sealing device of power cord connector sealing effect it is poor the problems such as.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.2 and Fig. 3, Fig. 2 is by a kind of power cord connector that specific implementation mode provides in the utility model
The structural schematic diagram of sealing device；Fig. 3 is the structural schematic diagram of fixing bolt in Fig. 2.
In a specific embodiment, the sealing device of power cord connector provided by the utility model, including fixation
Bolt 4, locking nut 6 and packing nut 1, fixing bolt 4 are set in outside power cord 8, and locking nut 6 connects described solid
Determine bolt 4 and external component, that is, fixing bolt 4 is attached by the external components such as locking nut 6 and automatically controlled box cover.Compel
Tight nut 1 is installed at the clamping ring 41 of the fixing bolt 4, for locking the fixing bolt 4 and the power cord 8.Institute
Stating clamping ring 41 has multiple clamp jaws 42, has gap between the adjacent clamp jaw 42, that is, with opening, clamping ring
41 is larger by the dynamics of pressing force to the contract of packing nut 1.The clamp jaw 42 is less than the packing nut 1 and in institute
1 inside of packing nut is stated, the first sealing ring 2 is installed between the clamping ring 41 and the power cord 8, by locking described compel
Tight nut 1 can be such that the outer wall of the inner wall and the power cord 8 of first sealing ring 2 fits closely, as in Fig. 2 at B, and institute
The outer wall for stating the inner wall and first sealing ring 2 of packing nut 1 fits closely, as in Fig. 2 at A.That is, passing through locking
The inner wall of packing nut 1, the first sealing ring 2 can push 41 radially inward of clamping ring of fixing bolt 4 to shrink, clamping ring 41
The inner wall and 8 outer wall of power cord that the first sealing ring 2 can be oppressed again fit closely, as in Fig. 2 at B, to reach the first sealing
The sealing effect of the inner wall and 8 outer wall of power cord of circle 2；Meanwhile during locking packing nut 1, the inner wall energy of packing nut 1
The outer wall for enough compressing the first sealing ring 2, as in Fig. 2 at A, to reach 2 outer wall of inner wall and the first sealing ring of packing nut 1
Sealing effect.
The sealing device of power cord connector provided by the utility model can be made by the clamp jaw 42 of fixing bolt 4
Sealed protective structure is formed between packing nut 1, the first sealing ring 2,8 three of power cord, to reach extraordinary sealing effect
Fruit.
The sealing device of said power connector is only a kind of preferred embodiment, is specifically not limited thereto, on this basis
It can make according to actual needs with targetedly adjusting, to obtain different embodiments, on the fixing bolt 4 and institute
The matching part for stating the first sealing ring 2 is provided with manger step 3, between the inside of the clamping ring 41 and the manger step 3
With groove, when there is packing nut 1 and fixing bolt 4 is not locked completely, on a small quantity along the clamping ring 41 of fixing bolt 4
The liquid of entrance can also be blocked by manger step 3, and into groove, and it is close to enter needs along the inner wall of fixing bolt 4
The components interior of envelope forms double sealed protective structure, further increases sealing effect.
On the basis of above-mentioned specific implementation mode, those skilled in the art can be according to the difference of specific occasion, to electricity
The sealing device of source wire terminal carries out several changes, and 1 inner wall of packing nut is gradually inclined oblique inwardly from beginning terminad
Face.1 inner wall of packing nut is provided with inclined-plane, by locking packing nut 1, the inner wall of the first sealing ring 2 and 8 outer wall of power cord with
And first the outer wall of sealing ring 2 can be bonded completely with the inner wall inclined-plane of packing nut 1, inclined-plane is bonded with the first sealing ring 2
It is relatively close, gap is not tended to have, sealing effect is preferable, to reach being fully sealed for 8 connecting portion of power cord, prevents external liquid
Body enters the inside of other important electric components, protects electric component.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Specific implementation mode carries out several changes, and the lower end inside of the fixing bolt 4 is located at the power cord 8 and the fixing bolt
There is fluting between 4, be provided with the second sealing ring 7 in the fluting, between power cord 8 and fixing bolt 4 second sealing ring 7 into
Row sealing, liquid are not easily accessible the inside of electric component.
It is important to note that the sealing device of power cord connector provided by the utility model is not intended to be limited to this
Kind situation, the bolt body of the fixing bolt 4 are integrally formed with the clamping ring 41, and cooperation packing nut 1 is time saving when assembling
It is convenient, clamp that 8 range of different size of power cord is wide, and stretching resistance is strong.
The sealing device of power cord connector provided by the utility model, it is immovable in other components, it is described
Fixing bolt 4 is plastic part, has elasticity, radial contraction is larger, is easy to make packing nut 1, the first sealing ring 2, power cord 8
Sealed protective structure is formed between three, to reach extraordinary sealing effect；Easy to process, cost is relatively low.
For the sealing device of the power cord connector in above-mentioned each embodiment, fixing bolt 4 passes through locking nut 6 and electricity
The external components such as control box cover are attached, and third sealing ring 5 is connected between the fixing bolt 4 and the locking nut 6, are led to
Crossing third sealing ring makes fixing bolt 4 be sealed in diametric(al) with the external component being tightly connected is needed, to reach
Extraordinary sealing effect.
In order to advanced optimize above-mentioned technical proposal, second sealing ring 7 and the third sealing ring 5 are specially O shapes
Sealing ring, O-ring seals are that section is circular rubber ring, can to radial direction or axial-radial dual-seal, sealing effect compared with
It is good；It is not easy to be swollen in the medium, easy processing molding, and accurate size can be kept, do not corrode contact surface, performance is relatively stablized.
In the description of the present invention, it should be noted that the orientation or positional relationship of the inside and outside equal instructions of term is base
It in the orientation or positional relationship of attached drawing, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply
Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this
The limitation of utility model.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to these embodiments of this paper, and is to fit to and principles disclosed herein and new
The consistent widest range of clever feature.
Claims (8)
1. a kind of sealing device of power cord connector, which is characterized in that the fixing bolt external including being set in power cord (8)
(4), the locking nut (6) of the fixing bolt (4) and external component is connected, and is installed on the folder of the fixing bolt (4)
Packing nut (1) at collar (41) for locking the fixing bolt (4) and the power cord (8), the clamping ring (41)
With multiple clamp jaws (42), there is gap, the clamp jaw (42) to be less than the packing between the adjacent clamp jaw (42)
Nut (1) and on the inside of the packing nut (1), it is close to be equipped with first between the clamping ring (41) and the power cord (8)
Seal (2) can make the inner wall and the power cord (8) of first sealing ring (2) by locking the packing nut (1)
Outer wall fits closely and the inner wall of the packing nut (1) and the outer wall of first sealing ring (2) fit closely.
2. the sealing device of power cord connector according to claim 1, which is characterized in that on the fixing bolt (4) and
The matching part of first sealing ring (2) is provided with manger step (3), inside and the water blocking platform of the clamping ring (41)
There is groove between rank (3).
3. the sealing device of power cord connector according to claim 2, which is characterized in that packing nut (1) inner wall be from
The gradual inclined inclined-plane inwardly of beginning terminad.
4. the sealing device of power cord connector according to claim 3, which is characterized in that under the fixing bolt (4)
End inside has fluting between the power cord (8) and the fixing bolt (4), and the second sealing is provided in the fluting
It encloses (7).
5. the sealing device of power cord connector according to claim 4, which is characterized in that the spiral shell of the fixing bolt (4)
Bolt ontology is integrally formed with the clamping ring (41).
6. the sealing device of power cord connector according to claim 5, which is characterized in that the fixing bolt (4) is modeling
Materials and parts.
7. the sealing device of power cord connector according to claim 6, which is characterized in that the fixing bolt (4) and institute
It states and is connected with third sealing ring (5) between locking nut (6).
8. the sealing device of power cord connector according to claim 7, which is characterized in that second sealing ring (7) and
The third sealing ring (5) is specially O-ring seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462689.5U CN207765933U (en) | 2017-11-06 | 2017-11-06 | A kind of sealing device of power cord connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462689.5U CN207765933U (en) | 2017-11-06 | 2017-11-06 | A kind of sealing device of power cord connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207765933U true CN207765933U (en) | 2018-08-24 |
Family
ID=63179109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721462689.5U Active CN207765933U (en) | 2017-11-06 | 2017-11-06 | A kind of sealing device of power cord connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207765933U (en) |
-
2017
- 2017-11-06 CN CN201721462689.5U patent/CN207765933U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528300 9 Daliang, five Shalong Shuncheng Road, Daliang, Shunde, Foshan, Guangdong Patentee after: Fanshida electromechanical Limited by Share Ltd Address before: 528000 9 Daliang, five Shalong Shuncheng Road, Daliang, Shunde, Foshan, Guangdong Patentee before: FANS-TECH ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |