CN209325109U - The drainage arrangement of anti-refluence of paddling - Google Patents
The drainage arrangement of anti-refluence of paddling Download PDFInfo
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- CN209325109U CN209325109U CN201821668157.1U CN201821668157U CN209325109U CN 209325109 U CN209325109 U CN 209325109U CN 201821668157 U CN201821668157 U CN 201821668157U CN 209325109 U CN209325109 U CN 209325109U
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- permeable
- hole
- stifled core
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- refluence
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Abstract
The utility model relates to a kind of drainage arrangements of anti-refluence of paddling, and including the internal installation set for being equipped with stepped hole, install floating ball and permeable stifled core in the stepped hole；Stepped hole in the installation set is divided into sluicing hole section, the floating valve section for being adapted to floating ball to block the conical section of the drain hole, for accommodating the floating ball and the permeable stifled core construction section that the permeable stifled core is installed for fixing seal from top to bottom；The permeable stifled core is equipped with permeable hole, and the upper surface of permeable stifled core is equipped with for avoiding floating ball from blocking the first groove of the permeable hole, and the permeable hole is connected with first groove.The utility model relates to installation fitting it is seldom, install it is very convenient.
Description
Technical field
The utility model relates to a kind of drainage arrangements of anti-refluence of paddling.
Background technique
It is external when vehicle is paddled for the engine and motor of common vehicle, or for the motor of new energy vehicle
Sewage can be entered in engine or motor by the drainage hole of engine or motor.
In order to solve this problem, Authorization Notice No. is that the Chinese patent document of CN201953526U discloses a kind of structure,
Including valve casing 1, bottom cover 4, float 3, pilot seal circle 2 and umbrella stem 8, pilot seal circle 2 is arranged above umbrella stem 8, is spherical crown shape；
Umbrella stem 8 is installed, float 3 is sleeved in umbrella stem 8 in the permeable hole on bottom cover 4.Bottom cover 4 is surrounded by inlet opening 7.It is paddling
When, water enters from inlet opening 7 floats float 3, and umbrella stem 8 and pilot seal circle 2 is driven to block the drainage hole 6 on valve casing top.?
When not paddling, the water in drainage hole 6 is flowed away by inlet opening 7.
The drawbacks of above scheme, is:
First, the accessory being related to is more, and structure is complicated, is unfavorable for assembling；
Second, one side inlet opening 7 is provided with the surrounding of bottom cover 4, and another aspect float 3 needs to drive heavier umbrella stem 8
With pilot seal circle 2, therefore when the sewage in lower part enters, the movement of float 3 is more lagged, and part of contaminated water can be in pilot seal
Advancing into drainage hole for circle closure drainage hole, causes the pollution to drainage hole, influences plugging effect.
Utility model content
The purpose of this utility model is to provide a kind of drainage arrangements of anti-refluence of paddling, for solving prior art construction
The problem of Complex Assembly inconvenience.
To achieve the above object, the utility model proposes a kind of drainage arrangements of anti-refluence of paddling, including inside to be equipped with rank
The installation set in terraced hole, the interior installation floating ball of the stepped hole and permeable stifled core；Stepped hole in the installation set is from top to bottom successively
Be divided into sluicing hole section, for being adapted to floating ball to block the conical section of the drain hole, the floating valve for accommodating the floating ball
Section and the permeable stifled core construction section that the permeable stifled core is installed for fixing seal；The permeable stifled core is equipped with permeable hole, permeable
The upper surface of stifled core is equipped with for avoiding floating ball from blocking the first groove of the permeable hole, the permeable hole and first groove
It is connected.
The utility model relates to installation fitting it is seldom, install it is very convenient.
In order to solve second point drawback pointed by background technique, the aperture of the lower hole section of the permeable hole is greater than permeable
The upper hole section in hole.Since the aperture of lower hole section is greater than upper hole section, water flow can accelerate after entering permeable hole section,
To form certain impact force to floating ball, so that floating ball is entered conical section faster and block drain hole.
Similarly, the lower end surface of the permeable stifled core is equipped with the second groove, permeable hole described in the second groove connection.Second is recessed
The sectional area of slot is greater than permeable hole, and therefore, water flow can accelerate after entering permeable hole, to form certain impact to floating ball
Power makes floating ball enter conical section faster and blocks drain hole.
For the ease of drainage arrangement to be installed on motor or motor body, the installation set is equipped with externally threaded
Swivel nut.
The assembly of permeable stifled core for convenience, the permeable stifled core is threadably secured close with the permeable stifled core construction section
Envelope installation.
Detailed description of the invention
Fig. 1 is the check valve of water drainage of the anti-refluence of paddling of the prior art；
Fig. 2 is a kind of structural schematic diagram of embodiment provided by the utility model；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is permeable stifled cored structure figure；
Fig. 5 is drainage arrangement and electric motor mounting structure figure；
In figure: 1 being valve casing, 2 be pilot seal circle, 3 be float, 4 be bottom cover, 6 be drainage hole, 7 be inlet opening, 8 be umbrella
Bar；
20 be drainage arrangement, 10 be swivel nut, 11 be floating ball, 12 be permeable stifled core, 101 be drain hole, 102 be conical section,
103 it is floating valve section, 105 be external screw thread, 121 be permeable hole, 122 be the first groove, 123 be the second groove, 30 is motor casing
Body, 31 be inside electric machine casing, 32 be outside electric machine casing.
Specific embodiment
A kind of drainage arrangement 20 of anti-refluence of paddling as shown in Figure 2,3, the swivel nut including one with external screw thread 105
10, which has inner step hole, and the relationship of bearing definition upper and lower position as illustrated, stepped hole is from top to bottom
It is followed successively by sluicing hole section, the conical section collected upwards 102, floating valve section 103 and permeable stifled core construction section.
Drain hole hole diameter is minimum, floating valve hole diameter takes second place, permeable stifled core construction section aperture is maximum.Sluicing hole section is corresponding
The discharge opening of swivel nut upper surface forms drain hole 101.One floating ball 11 is set in the cavity of floating valve section 103, and floating ball 11 is floating
When rising, into the conical section 102 being adapted to therewith, to block drain hole 101.Permeable stifled core construction section is permeable for installing one
Stifled core 12, permeable stifled core 12 are assembled by screw thread and permeable stifled core construction section fixing seal.
The structure of permeable stifled core 12 is as shown in figure 4, upper surface is connect with floating valve section 103.Permeable stifled core 12 includes permeable
Hole 121, the upper surface of permeable stifled core are equipped with the first groove 122, the first groove 122 and 121 top connection of permeable hole.Permeable stifled core
Lower end surface be equipped with the second groove 123, the second groove 123 and 121 lower part connection of permeable hole.First groove 122 and the second groove
123 are arranged in a mutually vertical manner and (as other embodiments, can also be parallel to each other or in other angles).Permeable hole 121 is in
On permeable stifled core center or any other position, as long as conducting upper and lower end face.
When assembling the drainage arrangement 20, floating ball 11 is put into floating valve section 103 first, then twists permeable stifled core 12
Enter.
The structure of the present embodiment, compared with the documents of background technique, it is only necessary to by floating ball 11 and permeable stifled core 12 according to
It is secondary to be fitted into swivel nut 10, it is not only simple in structure, and easy to assembly.
Permeable stifled core 12 realizes fixing seal by being spirally connected with permeable stifled core construction section, can also as other embodiments
In a manner of using other kinds of fixing seal, such as bonding.
The drainage arrangement of the present embodiment can be used for the vehicle motor and motor or new energy vehicle of general vehicle
Motor (motor of new energy vehicle is mounted on vehicle bottom).It is illustrated by taking the motor of new energy vehicle as an example below.
As shown in figure 5, the upper end of drainage arrangement 20 corresponds to 31 inside electric machine casing, the lower end of drainage arrangement 20 corresponds to motor
Hull outside 32；The drainage arrangement 20 assembled in above-described embodiment is fitted into the drain nut hole on electric machine casing 30, i.e.,
Complete installation of the drainage arrangement on motor.
Working principle is as follows:
When vehicle is paddled, water can enter floating valve section 103 by the permeable hole 121 of permeable stifled core, and floating ball 11 is by water
Buoyancy rise as the water surface is synchronous, until block drain hole 101 completely, be automatically closed to realize that vehicle is paddled
Function.
When vehicle driving is at anhydrous domains, if there are ponding inside motor, due to water self gravitation effect, by letting out
The 121 flow direction motor hull outside of permeable hole in water hole 101, floating valve section 103 and permeable stifled core.At this point, permeable stifled core upper surface
The first groove 122 for preventing in drainage procedure floating ball by permeable hole plug.
In addition, water enters permeable hole 121 from the second groove 123 of permeable stifled core, due to the second groove in vehicle-mounted paddle
Sectional area be greater than permeable hole, therefore, water flow can enter permeable hole 121 after accelerate, to form certain rush to floating ball 11
Power is hit, so that floating ball 11 is entered conical section 102 faster and blocks drain hole 101.It will be into documents with respect to the background art
The scheme of bottom cover surrounding is arranged in water hole, can be avoided the generation that part of contaminated water enters equipment inner case.It is above-mentioned in order to realize
Second groove, can be transform as a major diameter section by the effect for accelerating water flow velocity, as the lower hole section of permeable hole, major diameter section
Aperture ratio permeable hole upper hole section is bigger；The taper hole section collected upwards can also be transform as with the second groove.
In order to realize the above-mentioned purpose impacted to floating ball, it is preferred that permeable hole should be arranged in permeable stifled core
The heart leans on paracentral position.This is because permeable hole is needed in non-paddle below floating ball, and floating ball 11
Volume and floating valve section 103 are substantially suitable, therefore the range of the opened up position of permeable hole is preferably in center or close to center
The position of the heart.
Drainage arrangement 20 selects screw bushing structure to match with drain nut hole to complete fixing seal.As other embodiment party
Formula, drainage arrangement 20 can not also use screw bushing structure, and use other fixing seal modes, such as be adhered to sealant
In drainage hole, also or fixing seal mode commonly used in the prior art.
Claims (5)
1. a kind of drainage arrangement of anti-refluence of paddling, which is characterized in that including the internal installation set for being equipped with stepped hole, the ladder
Floating ball and permeable stifled core are installed in hole；Stepped hole in the installation set is divided into sluicing hole section from top to bottom, is used for and floats
Ball adaptation is to block the conical section of the drain hole, the floating valve section for accommodating the floating ball and install institute for fixing seal
State the permeable stifled core construction section of permeable stifled core；The permeable stifled core is equipped with permeable hole, and the upper surface of permeable stifled core is equipped with for keeping away
Exempt from the first groove that floating ball blocks the permeable hole, the permeable hole is connected with first groove.
2. the drainage arrangement of anti-refluence of paddling according to claim 1, which is characterized in that the lower hole section of the permeable hole
Aperture be greater than permeable hole upper hole section.
3. the drainage arrangement of anti-refluence of paddling according to claim 1, which is characterized in that the lower end surface of the permeable stifled core
It is equipped with the second groove, permeable hole described in the second groove connection.
4. the drainage arrangement of anti-refluence of paddling according to claim 1 or 2 or 3, which is characterized in that the installation set is to set
There is externally threaded swivel nut.
5. the drainage arrangement of anti-refluence of paddling according to claim 1 or 2 or 3, which is characterized in that the permeable stifled core with
The permeable stifled core construction section is threadably secured sealing installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821668157.1U CN209325109U (en) | 2018-10-15 | 2018-10-15 | The drainage arrangement of anti-refluence of paddling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821668157.1U CN209325109U (en) | 2018-10-15 | 2018-10-15 | The drainage arrangement of anti-refluence of paddling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325109U true CN209325109U (en) | 2019-08-30 |
Family
ID=67707968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821668157.1U Active CN209325109U (en) | 2018-10-15 | 2018-10-15 | The drainage arrangement of anti-refluence of paddling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325109U (en) |
-
2018
- 2018-10-15 CN CN201821668157.1U patent/CN209325109U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |