CN215774009U - Water nozzle mounting structure of vehicle-mounted charger and voltage converter - Google Patents
Water nozzle mounting structure of vehicle-mounted charger and voltage converter Download PDFInfo
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- CN215774009U CN215774009U CN202121678140.6U CN202121678140U CN215774009U CN 215774009 U CN215774009 U CN 215774009U CN 202121678140 U CN202121678140 U CN 202121678140U CN 215774009 U CN215774009 U CN 215774009U
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- water nozzle
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- voltage converter
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Abstract
The utility model discloses a water nozzle mounting structure of a vehicle-mounted charger and a voltage converter, wherein the middle part of the water nozzle is bent to enable the water nozzle to be arc-shaped, the tail end of the water nozzle is connected with a shell, the inner diameter of the tail end is larger than that of the front end, a positioning column is arranged on the end surface of the tail end of the water nozzle, a positioning hole corresponding to the positioning column is arranged on the shell, and a sealing ring is arranged between the end surface of the tail end and the shell. The utility model can reduce the flow resistance of the water channel to a greater extent under the condition of not changing the size of the front end of the water nozzle as much as possible by setting the inner diameter of the tail end of the water nozzle to be larger than the inner diameter of the front end of the water nozzle. And by adopting large-radian bending, the corner parts of the front end and the tail end of the water nozzle are in smooth transition, so that the flow resistance of a water channel can be greatly reduced. And through the cooperation of reference column and locating hole, the water injection well choke installation of being convenient for is counterpointed and is carried out the screw connection. Meanwhile, the joint is sealed through the sealing ring, and water is prevented from leaking from the joint.
Description
Technical Field
The utility model relates to the field of pure electric and hybrid electric vehicle charging technology and voltage conversion, in particular to a water nozzle mounting structure for a vehicle-mounted charger and a voltage converter.
Background
With the demands of energy conservation, emission reduction and air pollution control, new energy automobiles are gradually commercialized in the market, and electric automobiles are more the dominant force of new energy automobiles. Electric vehicles are further classified into pure electric vehicles and hybrid electric vehicles, wherein a product formed by integrating a vehicle-mounted charger OBC, a voltage converter DCDC, the vehicle-mounted charger OBC and the voltage converter DCDC is an important component of the electric vehicles. In the working process of the product, a large amount of heat can be generated by devices inside the machine shell, and in order to avoid the performance of the devices inside the machine shell from being damaged by high temperature, a good heat dissipation scheme is needed for dissipating heat for the machine shell. Liquid cooling has become the first cooling method for most products because of its high cooling efficiency. And the cooling liquid on the whole vehicle is guided into the shell water channel to be switched and guided by the water nozzle.
The sizes of the front end and the tail end inner diameters of the elbow water nozzles commonly used at present are the same, the larger the inner diameter is, the smaller the flow resistance pressure of the water channel is, in some application occasions, the elbow water nozzles with the types of smaller outer diameters can only be selected and installed on the machine shell due to the limitation of the sizes of the rubber tubes matched with the water nozzles, and under the condition that the path of the water channel of the machine shell is determined, the flow resistance of the water channel is larger, and the cooling efficiency of the machine shell is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water nozzle mounting structure of a vehicle-mounted charger and a voltage converter, aiming at solving the technical problem of larger flow resistance of a water channel in the prior art.
The technical scheme adopted by the utility model is as follows:
the utility model provides a water nozzle mounting structure of a vehicle-mounted charger and a voltage converter, wherein the middle part of the water nozzle is bent into an arc shape, the tail end of the water nozzle is connected with a casing, the inner diameter of the tail end is larger than that of the front end, a positioning column is arranged on the end surface of the tail end of the water nozzle, a positioning hole corresponding to the positioning column is arranged on the casing, and a sealing ring is arranged between the end surface of the tail end and the casing.
Furthermore, the tail end of the water nozzle is fixed with a mounting flange, and a boss used for mounting the water nozzle and the flange is arranged on the shell.
Preferably, be equipped with the mounting groove that encircles the waterway mouth and be used for installing the sealing washer on the binding face of boss, the sealing washer is installed in mounting groove department and the laminating of part protrusion mounting groove and mounting flange. The mounting groove and the positioning column are arranged on the binding surface of the flange and the boss. The mounting flange is provided with a through hole for penetrating a screw, the boss is provided with a screw fixing hole, and the water nozzle is fixed on the boss by the cooperation of the screw penetrating the through hole and the screw fixing hole.
Furthermore, a metal bushing is arranged on the inner wall of the through hole, and a screw penetrates through the metal bushing to be matched with the screw fixing hole.
Compared with the prior art, the utility model can reduce the flow resistance of the water channel to a greater extent under the condition of not changing the size of the front end of the water nozzle as much as possible by setting the inner diameter of the tail end of the water nozzle to be larger than the inner diameter of the front end of the water nozzle. And by adopting large-radian bending, the corner parts of the front end and the tail end of the water nozzle are in smooth transition, so that the flow resistance of a water channel can be greatly reduced. And through the cooperation of reference column and locating hole, the water injection well choke installation of being convenient for is counterpointed and is carried out the screw connection. Meanwhile, the joint is sealed through the sealing ring, and water is prevented from leaking from the joint.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a sectional view of the faucet in the embodiment of the present invention;
FIG. 4 is a side view of the faucet in the embodiment of the present invention;
fig. 5 is a perspective view of the water nozzle in the embodiment of the utility model.
1. A water nozzle; 11. a front end; 12. a tail end; 13. a positioning column; 14. a through hole;
2. a housing; 21. a boss; 22. a screw mounting hole; 23. positioning holes;
3. a screw; 4. a metal bushing; 5. and (5) sealing rings.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1 to 5, the utility model provides a water nozzle mounting structure for a vehicle-mounted charger and a voltage converter. The water nozzle 1 is tubular, and the pipeline is bent from the middle part to be arc-shaped, so that the front end 11 of the water nozzle is perpendicular to the end surface of the tail end 12 at 90 degrees, and the inner wall of the water nozzle 1 is a large-radian fillet. Tail end 12 of water injection well choke 1 connects casing 2, and the internal diameter of tail end 12 is greater than the internal diameter of front end 11, and the tail end terminal surface of water injection well choke 1 is equipped with reference column 13, is equipped with the locating hole 23 that corresponds reference column 13 on the casing 2, is equipped with sealing washer 5 between tail end 12 terminal surface and the casing. Because the inner diameter of the tail end 12 of the water nozzle is larger than that of the front end 11, the flow resistance of the water channel can be reduced to a greater extent under the condition that the size of the front end 11 of the water nozzle is not changed as much as possible. And through the cooperation of reference column 13 and locating hole 23, the water injection well choke installation is counterpointed and is carried out the screw connection of being convenient for. Meanwhile, the joint is sealed through the sealing ring, and water is prevented from leaking from the joint.
In a specific embodiment, a mounting flange is fixed at the tail end of the water nozzle 1, a boss 21 is arranged on the casing 2, a water channel opening is formed in the middle of the boss 21, and the fitting surfaces of the mounting flange and the boss 21 are the same in outline size and equal in size. The mounting flange is provided with a through hole 14 for penetrating a screw, the boss is provided with a screw fixing hole 22, and the water nozzle 1 is fixed on the boss 21 by the cooperation of the screw 3 penetrating the through hole 14 and the screw fixing hole 22. During the installation, with the mounting flange and the boss 21 laminating of water injection well choke tail end 12, insert the locating column 13 on the mounting flange in the locating hole 23 of boss 21, prevent to take place displacement and rotation in the installation, rethread screw 3 passes mounting flange and connects protruding 21 platform, fixes water injection well choke 1 on boss 21, is about to fix the water injection well choke on the casing.
The water nozzle 1 is made of plastic, specifically PA66+30% GF. In order to prevent the water nozzle from being damaged when a screw is screwed, a metal bush 4 is embedded in a screw fixing hole 14 of the water nozzle 1, and the screw 3 is separated from the water nozzle 1 through the metal bush 4, so that the water nozzle is protected.
The position that the fitting surface of boss 21 encircles the water gate mouth is equipped with the round mounting groove, and sealing washer 5 is installed in the mounting groove to part protrusion mounting groove, when mounting flange and boss 21 laminating, the fitting surface of mounting flange is pressed on the bulge of O type sealing washer 5, thereby has guaranteed that the fitting surface of casing boss and water injection well choke is water-tight.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a water injection well choke mounting structure of on-vehicle machine that charges, voltage converter which characterized in that, water injection well choke middle part is buckled and is made the water injection well choke and be the arc, the trailing end connection casing of water injection well choke, and the internal diameter of tail end is greater than the internal diameter of front end, the tail end terminal surface of water injection well choke is equipped with the reference column, be equipped with the locating hole that corresponds the reference column on the casing, just be equipped with the sealing washer between tail end terminal surface and the casing.
2. The water nozzle mounting structure of the vehicle-mounted charger and voltage converter according to claim 1, wherein a mounting flange is arranged at the tail end of the water nozzle, and a boss for mounting the water nozzle to be attached to the flange is arranged on the casing.
3. The water nozzle installation structure of the vehicle-mounted charger and voltage converter according to claim 2, characterized in that an installation groove surrounding a water channel opening for installing a seal ring is arranged on the attachment surface of the boss, the seal ring is installed in the installation groove, and part of the seal ring protrudes out of the installation groove and is attached to the flange.
4. The water nozzle mounting structure of the vehicle-mounted charger and voltage converter according to claim 3, wherein the mounting groove and the positioning column are arranged on a joint surface of the mounting flange and the boss.
5. The water nozzle mounting structure of the vehicle-mounted charger and voltage converter according to claim 2, wherein a through hole for passing a screw is formed in the mounting flange, a screw fixing hole is formed in the boss, and the water nozzle is fixed on the boss by the cooperation of the screw passing through the through hole and the screw fixing hole.
6. The water nozzle mounting structure of the vehicle-mounted charger and voltage converter according to claim 5, characterized in that a metal bushing is mounted in the through hole, and a screw passes through the metal bushing to be matched with the screw fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678140.6U CN215774009U (en) | 2021-07-22 | 2021-07-22 | Water nozzle mounting structure of vehicle-mounted charger and voltage converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678140.6U CN215774009U (en) | 2021-07-22 | 2021-07-22 | Water nozzle mounting structure of vehicle-mounted charger and voltage converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215774009U true CN215774009U (en) | 2022-02-08 |
Family
ID=80106793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121678140.6U Active CN215774009U (en) | 2021-07-22 | 2021-07-22 | Water nozzle mounting structure of vehicle-mounted charger and voltage converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215774009U (en) |
-
2021
- 2021-07-22 CN CN202121678140.6U patent/CN215774009U/en active Active
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