CN210661751U

CN210661751U - Be applied to pipeline connection structure of motor and machine controller liquid cooling device

Info

Publication number: CN210661751U
Application number: CN201921515348.9U
Authority: CN
Inventors: 王淑旺; 曹义军; 陈威; 祖彬彬; 刘辉
Original assignee: Hefei Daoyi Power Technology Co ltd
Current assignee: Hefei Daoyi Power Technology Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-06-02
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a be applied to pipeline connection structure of motor and machine controller liquid cooling device, include: the water joint comprises a water joint body, a water connector and a locking ring, wherein the reverse buckle of the water joint body is clamped with the supporting end face of the water connector, the angle positioning groove is matched with the limiting boss through the locking ring, and the installation angle of the water joint body can be adjusted by selecting a proper angle positioning groove. The utility model discloses a water piping connection structure reduces water swivel cost, improves water swivel sharing nature and production assembly nature. The water joint structure needs a small mounting surface, and effectively reduces the restriction of the structure on the mounting surfaces of the motor and the controller shell, so that the limitation of the restriction on the shape of the shell is very small; the water joint is assembled without screws and various devices and is fastened by a special spanner; the water joint can be used for accurately adjusting the orientation at multiple angles on the premise of no tool or equipment.

Description

Be applied to pipeline connection structure of motor and machine controller liquid cooling device

Technical Field

The utility model relates to a pipe connection spare field, concretely relates to be applied to pipe connection structure of motor and machine controller liquid cooling device.

Background

Under the large background of low-carbon travel advocating, electric vehicles and hybrid vehicles become the main direction of current automobile industry development.

Among them, the driving motor and the controller are most important driving apparatuses for electric vehicles and hybrid vehicles. In the working process of the driving motor and the driving motor controller, long-time and high-intensity continuous work is usually needed, so that a large amount of heat energy is generated by the driving motor and the driving motor controller power devices, in order to ensure stable output performance and maximum power operation of the driving motor and the driving motor controller, the driving motor and the driving motor controller need to be cooled, and the cooling mode of the scheme is suitable for liquid cooling. Wherein, cooling device includes the water course casing part of being connected with driving motor and driving motor controller, connects water pipe part and water swivel.

Among the prior art, the connected mode of water course casing and water swivel has: the water joint fixing mode is as follows: screw fixation, thread fixation, gluing process and crimping process. These connection methods have the following problems.

1. The multi-angle sharing can not be accomplished to the angle orientation relevant casing of bent water swivel to the fix with screw, and different angles need the processing of different water course casings to match, and the material management of being not convenient for, water swivel installation face is too big, need use screw and fastening tool (including moment spanner).

2. The threaded water joint is fixed, needs the customization angle frock to the elbow joint, and the water joint screw thread twists the inconvenient control of degree of depth, and thread sealing need paint the thread sealant, and the outside need fasten with the nut counterforce, and this technology production is complicated, and water joint angle error is big on the left, and is with high costs.

3. The gluing process is characterized in that the water joint is glued and assembled with the related shell, the glue can play a role in sealing and fixing the water joint, certain requirements are imposed on the material of the water joint, and metal materials are needed. Due to the characteristics of glue, curing time is needed, so that a lot of angle positioning tools and glue curing and storing spaces are needed for mass production, and the process is not beneficial to mass production.

4. The crimping process needs special tooling and hydraulic equipment, has poor compatibility, and is difficult to crimp and assemble heavy objects or products with special-shaped external structures.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art's defect, the utility model aims to provide a be applied to motor and machine controller liquid cooling device's pipe connection structure, under the prerequisite that does not have spacing frock and equipment, also can realize accurate making the multi-angle orientation adjustment to the water swivel, need not too much accessory and instrument and assemble, improve production efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a be applied to pipeline connection structure of motor and machine controller liquid cooling device, include: the water joint is provided with a back-off positioned at the front part and a locking thread part positioned at the middle part, wherein a limiting boss and a water interface are arranged on the front side end face of the locking thread part, the water interface is arranged at the water inlet end or the water outlet end of the water channel shell, a plurality of angle positioning grooves are arranged at the outer end of the water channel shell, a supporting end face is arranged at the inner end of the water channel shell, and a locking ring is in threaded fit with the locking thread part and used for pulling outwards and locking the water joint.

Furthermore, the back-off is of a split structure and is composed of a plurality of elastic buckles distributed annularly.

Further, the angle positioning grooves are distributed on the water interface in an annular array mode, so that the installation angle of the water joint on the water interface is adjustable.

Furthermore, an annular sealing groove is further formed in the water joint, and a sealing ring is arranged on the annular sealing groove.

Further, the water joint is also provided with a hose plug part at the rear part and a hose limiting ring arranged on the hose plug part.

Further, the outer ring of the locking ring is provided with a special-shaped groove which is matched with a special-shaped clamping tooth of a fastening wrench for screwing the locking ring.

Furthermore, the water joint is a straight water joint or a bent water joint, one of the water inlet end and the water outlet end of the liquid cooling device is provided with the straight water joint, and the other of the water inlet end and the water outlet end is provided with the bent water joint.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a water piping connection structure reduces water swivel cost, improves water swivel sharing nature and production assembly nature. The mounting surface required by the water joint structure is small, and the constraint of the structure on the mounting surfaces of the driving motor and the controller shell is effectively reduced, so that the limitation of the constraint on the shape of the shell is very small; the water joint is assembled without screws and various devices and is fastened by a special spanner; the water joint can be used for accurately adjusting the orientation at multiple angles on the premise of no tool or equipment.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the novel pipeline connection structure of the present invention;

fig. 2 is a schematic bottom view of the novel pipe connection structure of the present invention;

fig. 3 is an exploded view of the novel pipe connection structure of the present invention;

fig. 4 is a schematic side view of the water interface in the novel pipe connection structure of the present invention;

fig. 5 is a schematic structural view of a straight water joint in the novel pipeline connecting structure of the present invention;

fig. 6 is a schematic structural view of a bending joint in the novel pipeline connecting structure of the present invention;

fig. 7 is a cross-sectional view of the straight water joint and the water port in the novel pipeline connecting structure of the present invention;

fig. 8 is a schematic structural view of a locking ring in the novel pipe connection structure of the present invention; and

figure 9 is a schematic view of a fastening wrench for securing the locking ring of the present invention.

Description of the reference numerals

1. A water interface; 2. a water bending joint; 2', a straight water joint; 3. locking a ring; 4. fastening a wrench; 5. a seal ring; 11. an angle positioning slot; 12. a support end face; 21. reversing; 22. a limiting boss; 23. locking the threaded part; 24. a hose limiting ring; 25. a hose plug portion; 21', reversing; 22' and a limit boss; 23', locking the threaded portion; 24', a hose limiting ring; 25', a hose plug portion; 31. a special-shaped groove; 41. and (4) special-shaped latch.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Fig. 1-9 illustrate some embodiments according to the present invention.

As shown in fig. 1, a pipe connection structure for a liquid cooling device of a motor and a motor controller includes: the water connector comprises a water connector 1, a water connector 2/2 ' and a locking ring 3, wherein the water connector 2/2 ' is connected with the water connector 1 in an inserting mode, the locking ring 3 is installed on the water connector 2/2 ' and used for pulling outwards and locking the water connector 2/2 ', and the water connector comprises a bent water connector 2 and a straight water connector 2 '.

Specifically, as shown in fig. 5 and 6, the water joint 2/2 'includes an inverted buckle 21/21' arranged at the front part thereof, a locking thread part 23/23 'arranged at the middle part thereof, and a limit boss 22/22' arranged at the front side of the locking thread part 23/23 ', wherein the inverted buckle 21/21' is of a split structure and is composed of a plurality of elastic buckles distributed annularly.

Specifically, the water connector 1 is arranged at the inlet end or the water outlet end of the water channel shell, wherein the water connector 1 is cylindrical, the inner side of the water connector 1 is provided with a supporting end face 12, the elastic buckle is matched with the water connector 1, and the barb on the reverse buckle 21/21 'is just clamped on the supporting end face 12 on the inner side of the water connector 1, so that the water connector 2/2' is prevented from falling off from the water connector 1.

Specifically, as shown in fig. 4, a plurality of angle positioning grooves 11 are arranged at the outer end of the water port 1 on the water channel shell, the angle positioning grooves 11 are annularly distributed along the central axis of the water port 1, wherein, the limiting bosses 22/22 'are arranged on the front end surface of the locking thread part 23/23', the angle positioning grooves 11 are matched with the limiting bosses 22/22 'on the water port, and the installation angle of the water port 2/2' can be adjusted by selecting the appropriate angle positioning grooves 11.

Specifically, as shown in fig. 1 to 3, the locking ring 3 is a structure similar to a nut, and has an internal thread inside, which matches with an external thread on the locking thread part 23/23 'on the water joint for pulling and locking the water joint 2/2' outwards.

In one embodiment, as shown in fig. 5 and 6, an annular sealing groove is arranged between the locking thread part 23/23 ' and the reverse buckle 21/21 ' on the water joint, and a sealing ring 5 is arranged on the annular sealing groove and plays a role in sealing the connection of the water joint 2/2 '.

In one embodiment, as shown in fig. 5 and 6, the hose connector part 25/25 ' at the rear part and the hose limiting ring 24/24 ' arranged on the hose connector part 25/25 ' are also provided, and the hose limiting ring 24/24 ' ensures that the hose is inserted into an effective position on the water connector 2/2 ' to facilitate the tightening of the hose clamp and prevent the hose from falling off.

In an embodiment, as shown in fig. 1, the annular distribution of the angle positioning grooves 11 at the outer end of the water interface 1 on the water channel shell is equal-angle annular distribution, 12 angle positioning grooves are provided in total, and the included angle between the center lines of two adjacent angle positioning grooves 11 is 30 °.

In one embodiment, as shown in fig. 8/9, the outer ring of the locking ring 3 has a shaped groove 31, and the wrench 4 for tightening the locking ring is provided with a shaped latch 41 matching with the shaped groove.

In one embodiment, the elbow joint 2, the straight joint 2' and the locking ring 3 are made of PA66-GF30 which has good structural strength, light weight and low cost.

The utility model discloses a be applied to motor and machine controller liquid cooling device's pipe connection structure's working process as follows:

firstly, a water joint 2/2 ' is inserted into a water supply interface 1 of a water channel shell, an inverted buckle 21/21 ' of the water joint is buckled with a supporting end surface 12 at the inner end of the water joint 1, wherein before the bent water joint 2 is inserted into the water joint 1, the angle matching of the bent water joint can be carried out through a limiting lug boss 22/22 ' on the water joint and an angle positioning groove 11 of the water joint.

Then, after the reverse 21/21 'of the water joint is engaged with the supporting end face 12, the locking ring 3 is installed, a fastening glue is screwed on the screw thread of the locking screw part 23/23', the locking ring 3 is screwed into the locking screw part 23/23 'by the fastening wrench 4, and the water joint 2/2' and the locking ring 3 are fastened by reacting force,

finally, the locking ring 3 is tightened by the spanner 4, so that the special-shaped latch 41 on the spanner 4 is matched with the special-shaped groove 31 on the locking ring 3, and when the torque reaches 20-25 N.m, the special-shaped latch 41 and the special-shaped groove 31 can slide away, namely the installation is completed.

The utility model discloses a be applied to motor and machine controller liquid cooling device's pipe connection structure is except above-mentioned beneficial effect, has following advantage in addition:

1. the sharing is good, the positioning point of the bent water joint can solve the problem of the orientation of each angle of the water joint, wherein the scheme is designed into a variable angle of 30-degree multiple;

2. the assembly fixing area for installing the driving motor controller and the driving motor water nozzle is optimized, and the structural design of the shell is better carried out;

3. the number of fastening components such as screws of the mounting structure is reduced, material management is effectively carried out, and material waste is reduced;

4. the method does not need excessive installation auxiliary tools, tools and equipment (such as screwdrivers, torsion tools, crimping equipment, positioning tools and the like);

5. the material is PA66-GF30, the structure strength is good, the weight is light, the cost is low, and the material cost is effectively controlled;

6. the installation is convenient, and the special spanner fastening after inserting can be used to product mass production.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be applied to pipeline connection structure of motor and machine controller liquid cooling device which characterized in that includes:

a water joint (2, 2 ') having a back-off (21, 21 ') at a front portion and a locking screw part (23, 23 ') at a middle portion, wherein a limit protrusion (22, 22 ') is provided on a front side end surface of the locking screw part (23, 23 '),

a water interface (1) arranged at the water inlet end or the water outlet end of the water channel shell, a plurality of angle positioning grooves (11) arranged at the outer end of the water channel shell, a supporting end surface (12) arranged at the inner end of the water channel shell, and

a locking ring (3) threadedly engaged with the locking screw part (23, 23 ') for pulling and locking the water connector (2, 2') outward,

the reverse buckle (21, 21 ') is clamped with the supporting end face (12), and the angle positioning groove (11) is matched with the limiting bosses (22, 22') and locked by the locking ring (3).

2. The pipe connection structure applied to the liquid cooling device of the motor and the motor controller as claimed in claim 1, wherein the reverse buckle (21, 21') is a split structure and is composed of a plurality of elastic buckles distributed annularly.

3. The pipe connection structure applied to the liquid cooling device of the motor and the motor controller as recited in claim 1, wherein the angle positioning slots (11) are distributed on the water interface (1) in an annular array, so that the installation angle of the water connectors (2, 2') on the water interface (1) is adjustable.

4. The pipe connection structure applied to the liquid cooling device of the motor and the motor controller as claimed in claim 1, wherein the water joint (2, 2') is further provided with an annular sealing groove, and the annular sealing groove is provided with a sealing ring (5).

5. The pipe connection structure applied to a liquid cooling device of an electric motor and a motor controller as claimed in claim 1, wherein said water joint further has a hose plug portion (25, 25 ') at a rear portion and a hose retainer ring (24, 24 ') provided on the hose plug portion (25, 25 ').

6. The pipe connection structure applied to the liquid cooling device of the motor and the motor controller according to claim 1, wherein the outer ring of the locking ring (3) has a special-shaped groove (31) matching with a special-shaped latch (41) of a fastening wrench (4) for tightening the locking ring.

7. The pipe connection structure applied to the liquid cooling device of the motor and the motor controller as claimed in claim 1, wherein the water joint is a straight water joint (2') or a bent water joint (2).

8. The pipe connection structure applied to a liquid cooling device of an electric motor and a motor controller as claimed in claim 7, wherein one of the water inlet end and the water outlet end of the liquid cooling device is provided with a straight water joint (2'), and the other of the water inlet end and the water outlet end of the liquid cooling device is provided with a bent water joint (2).