Liquid cooling motor shaft

Abstract

The utility model discloses a liquid-cooled motor shaft, comprising a shaft body, the shaft body is provided with a storage hole and a liquid storage hole, the storage hole penetrates to one end of the shaft body, and the storage hole is communicated with the liquid storage hole; the liquid storage sleeve is arranged in the storage hole, and the liquid storage sleeve is matched with the storage hole; the liquid inlet assembly is arranged on the liquid storage sleeve; the heat dissipation assembly is arranged on the liquid storage sleeve; according to the utility model, the cooling and heat dissipation effects of the shaft body are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor shaft technical field, concretely is a kind of liquid-cooled motor shaft. BACKGROUND

[0002] Liquid-cooled motor shaft is a kind of technology that sets up liquid cooling system inside or around motor shaft, absorbs and takes away heat generated when motor shaft runs by cooling medium, to facilitate the stability of motor work is improved;Existing liquid-cooled motor shaft usually fills cooling liquid in the inside of motor shaft, but the flow effect of cooling liquid and the heat dissipation effect of cooling liquid are weak, thus the cooling heat dissipation effect of entire motor shaft is general. SUMMARY

[0003] The utility model discloses a kind of liquid-cooled motor shaft, to solve the problem raised in above background.

[0004] To solve the above technical problem, the utility model provides the following technical scheme: a kind of liquid-cooled motor shaft, comprising: shaft body, the shaft body is provided with storage hole and liquid storage hole, the storage hole is through to the one end of the shaft body, and the storage hole is communicated with the liquid storage hole;Liquid storage sleeve, the liquid storage sleeve is set in the storage hole, and the liquid storage sleeve is matched with the storage hole;Liquid inlet assembly, the liquid inlet assembly is set on the liquid storage sleeve;Heat dissipation assembly, the heat dissipation assembly is set on the liquid storage sleeve.

[0005] Further, it further includes: baffle, the inside of the liquid storage sleeve is provided with the baffle;Wherein, the baffle is provided with guide through-hole, the guide through-hole is coaxial with the liquid storage hole, the guide through-hole is equal in diameter with the liquid storage hole, and the one end of the baffle is coplanar with the one end of the liquid storage sleeve adjacent liquid storage hole.

[0006] Further, the storage hole is coaxial with the shaft body.

[0007] Further, the axis of the liquid storage sleeve deviates from the axis of the shaft body.

[0008] Further, the liquid inlet assembly includes: plug head, the plug head is detachably set on liquid storage sleeve;Wherein, the liquid storage sleeve is provided with liquid inlet, and the plug head is set in the liquid inlet.

[0009] Further, the heat dissipation assembly includes: heat dissipation copper sheet, the heat dissipation copper sheet has multiple, and each heat dissipation copper sheet is set on the liquid storage sleeve;Wherein, multiple heat dissipation copper sheet is evenly distributed along the circumferential of the axis of the liquid storage sleeve.

[0010] Further, the inside of the shaft body is provided with a plurality of heat dissipation through holes, and the plurality of heat dissipation through holes are circumferentially distributed outside the liquid storage hole; the shaft body is provided with a guide hole group, and the guide hole group is equal in number to the heat dissipation through holes and corresponds in position to the heat dissipation through holes.

[0011] Further, the guide hole group comprises at least two flow guide holes, the two flow guide holes are communicated with the corresponding heat dissipation through holes, and the axes of the two flow guide holes are perpendicular to the axes of the corresponding heat dissipation through holes.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The liquid storage sleeve axis deviates from the shaft body axis, and the liquid storage hole is coaxial with the shaft body; during the rotation of the shaft body, the mutual flow effect of the cooling liquid in the liquid storage sleeve and the cooling liquid in the liquid storage hole can be enhanced;

[0014] 2. A plurality of heat dissipation copper sheets are arranged on the liquid storage sleeve, so that the heat dissipation effect of the liquid storage sleeve is improved, and the cooling effect on the shaft body is further improved;

[0015] 3. The heat dissipation through holes and the flow guide holes are further arranged, so that the heat dissipation effect of the shaft body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0017] Figure 1 It is a whole structure schematic view of the utility model embodiment one;

[0018] Figure 2 It is a whole cross section structure schematic view of the utility model embodiment one;

[0019] Figure 3 It is a baffle installation schematic view of the utility model embodiment one;

[0020] Figure 4 It is a plug head and liquid storage sleeve cooperation schematic view of the utility model embodiment one;

[0021] Figure 5 It is a liquid storage sleeve structure schematic view of the utility model embodiment two;

[0022] Figure 6 It is a heat dissipation assembly position schematic view of the utility model embodiment two;

[0023] Figure 7 It is a whole structure schematic view of the utility model embodiment three;

[0024] Figure 8It is the position diagram of the radiating through hole and the guide hole group of the third embodiment of the utility model;

[0025] In the figure: 1, shaft body; 11, liquid storage hole; 12, storage hole; 13, radiating through hole; 14, guide hole group; 141, flow guide hole; 2, liquid storage sleeve; 21, liquid inlet; 22, clamping groove; 3, baffle; 31, guide through hole; 4, liquid inlet assembly; 41, plug head; 5, radiating assembly; 51, radiating copper sheet. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment one

[0028] Please refer to Figures 1-4 The utility model provides technical scheme: a kind of liquid cooling motor shaft, including shaft body 1, coaxially in the inside of shaft body 1 is provided with liquid storage hole 11, still be provided with storage hole 12 on shaft body 1, storage hole 12 is through to the one end of shaft body 1, and liquid storage hole 11 is not through the other end of shaft body 1;Liquid storage hole 11 communicates storage hole 12, and the axis of storage hole 12 deviates shaft body 1 axis, i.e. the axis of storage hole 12 deviates liquid storage hole 11 axis.

[0029] Storage hole 12 is provided with liquid storage sleeve 2, the outer diameter of liquid storage sleeve 2 is consistent with storage hole 12 diameter, and the length of liquid storage sleeve 2 is less than storage hole 12 length;Liquid storage sleeve 2 is fixed in liquid storage sleeve 2, and liquid storage sleeve 2 is in contact with the connecting portion of storage hole 12 and liquid storage hole 11;In addition, liquid inlet assembly 4 is provided on liquid storage sleeve 2, and liquid inlet assembly 4 is used to inject cooling liquid into liquid storage sleeve 2.

[0030] The inside of liquid storage sleeve 2 is provided with baffle 3 matched therewith, and the end of baffle 3 adjacent to liquid storage hole 11 is coplanar with the end of liquid storage sleeve 2 adjacent to liquid storage hole 11, and baffle 3 is fixedly connected with liquid storage sleeve 2;Specifically, baffle 3 can be integrally formed on liquid storage sleeve 2;Guide through hole 31 is provided on baffle 3, and guide through hole 31 is coaxial with liquid storage hole 11, and the diameter of guide through hole 31 is equal to the diameter of liquid storage hole 11.

[0031] Liquid storage sleeve 2 adopts material with good heat conductivity, for example, copper.

[0032] The liquid inlet assembly 4 comprises a plug head 41 detachably arranged on the liquid storage sleeve 2. The liquid storage sleeve 2 is provided with a liquid inlet 21 penetratingly arranged thereon. The plug head 41 is detachably arranged in the liquid inlet 21. Specifically, the plug head 41 is arranged in the liquid inlet 21 in a threaded connection manner or other detachable connection manner. The plug head 41 is in sealing connection with the liquid inlet 21. The plug head 41 is removed to inject the cooling liquid into the liquid storage sleeve 2 and the liquid storage hole 11. During the injection of the cooling liquid, the entire cavity formed by the liquid storage hole 11 and the liquid storage sleeve 2 is not completely filled with the cooling liquid, for example, the entire cavity is filled with three-quarters of the cooling liquid.

[0033] In the embodiment, after the liquid storage sleeve 2 and the liquid storage hole 11 are filled with the cooling liquid, the axis of the liquid storage sleeve 2 deviates from the axis of the shaft body 1, and the liquid storage hole 11 is coaxial with the shaft body 1. Therefore, the mutual flow effect of the cooling liquid in the liquid storage sleeve 2 and the cooling liquid in the liquid storage hole 11 is enhanced during the rotation of the shaft body 1. Meanwhile, the liquid storage sleeve 2 is arranged in the storage hole 12 which penetrates to one end of the shaft body 1, and the liquid storage sleeve 2 has good heat conduction performance. Therefore, a certain heat dissipation effect is achieved through the liquid storage sleeve 2. When the shaft body 1 rotates, the cooling liquid absorbs the heat of the shaft body 1. The liquid storage sleeve 2 can conduct heat and absorb part of the heat of the cooling liquid. The liquid storage sleeve 2 can dissipate the heat to the air near the end of the shaft body 1, so as to cool the cooling liquid in the liquid storage sleeve 2. Since the cooling liquid can flow during the rotation of the shaft body 1, the cooling effect of the cooling liquid is improved, thereby helping to improve the cooling effect of the shaft body 1.

[0034] Embodiment Two

[0035] Please refer to Figures 1-6 , based on the first embodiment, a plurality of heat dissipation copper sheets 51 are arranged on the liquid storage sleeve 2. The plurality of heat dissipation copper sheets 51 are uniformly distributed along the circumferential direction of the axis of the liquid storage sleeve 2. Specifically, a plurality of clamping grooves 22 are arranged on the liquid storage sleeve 2. The number of the clamping grooves 22 is equal to the number of the heat dissipation copper sheets 51. Part of each heat dissipation copper sheet 51 is fixedly arranged in each clamping groove 22. By arranging the plurality of heat dissipation copper sheets 51, the heat dissipation effect of the liquid storage sleeve 2 is further improved, thereby improving the cooling effect of the shaft body 1.

[0036] Embodiment Three

[0037] Please refer to Figure 7 and Figure 8 , based on the second embodiment, four heat dissipation through holes 13 are arranged in the interior of the shaft body 1. The four heat dissipation through holes 13 are circumferentially distributed outside the liquid storage hole 11. Four guide hole groups 14 are arranged on the shaft body 1. The four guide hole groups 14 are one-to-one corresponding to the four heat dissipation through holes 13.

[0038] The guide hole group 14 comprises two guide holes 141, both of which are communicated with corresponding heat dissipation through holes 13, and the axes of the two guide holes 141 are perpendicular to the axes of the corresponding heat dissipation through holes 13; by arranging the guide holes 141, the airflow inside the heat dissipation through holes 13 can flow to the outside of the shaft body 1 during the rotation of the shaft body 1, so that the heat dissipation effect on the shaft body 1 can be improved.

[0039] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] Finally, it should be noted that: the above only the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application has been made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or to the equivalent replacement of some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A liquid-cooled motor shaft, characterized by, The utility model relates to a kind of liquid storage device, including: Shaft body (1), which is provided with a storage hole (12) and a liquid storage hole (11), the storage hole (12) penetrates to one end of the shaft body (1), and the storage hole (12) communicates with the liquid storage hole (11); Liquid storage sleeve (2), which is arranged in the storage hole (12) and is matched with the storage hole (12); Liquid inlet assembly (4), which is arranged on the liquid storage sleeve (2); Heat dissipation assembly (5), which is arranged on the liquid storage sleeve (2).

2. A liquid-cooled motor shaft according to claim 1, wherein Further comprising: Baffle (3), which is arranged inside the liquid storage sleeve (2); Wherein, the baffle (3) is provided with a guide through hole (31), the guide through hole (31) is coaxial with the liquid storage hole (11), the guide through hole (31) is equal in diameter with the liquid storage hole (11), and one end of the baffle (3) is coplanar with one end of the liquid storage sleeve (2) adjacent to the liquid storage hole (11).

3. A liquid-cooled motor shaft according to claim 2, wherein The storage hole (12) is coaxial with the shaft body (1).

4. A liquid-cooled motor shaft according to claim 2, wherein The axis of the liquid storage sleeve (2) deviates from the axis of the shaft body (1).

5. A liquid-cooled motor shaft as claimed in claim 1, wherein, The liquid inlet assembly (4) comprises: Plug head (41), which is detachably arranged on the liquid storage sleeve (2); Wherein, the liquid storage sleeve (2) is provided with a liquid inlet (21), and the plug head (41) is arranged in the liquid inlet (21).

6. A liquid-cooled motor shaft as claimed in claim 1, wherein, The heat dissipation assembly (5) comprises: Heat dissipation copper sheet (51), which has a plurality of, each heat dissipation copper sheet (51) is arranged on the liquid storage sleeve (2); Wherein, a plurality of heat dissipation copper sheets (51) are circumferentially distributed along the axis of the liquid storage sleeve (2).

7. A liquid-cooled motor shaft as claimed in claim 1, wherein, The inside of the shaft body (1) is provided with a plurality of heat dissipation through holes (13), and a plurality of heat dissipation through holes (13) are circumferentially distributed outside the liquid storage hole (11); The shaft body (1) is provided with a guide hole group (14), and the guide hole group (14) is equal in number to the heat dissipation through holes (13) and corresponds in position.

8. A liquid-cooled motor shaft according to claim 7, wherein The guide hole group (14) comprises at least two guide flow holes (141), two guide flow holes (141) communicate with corresponding heat dissipation through holes (13), and the axes of two guide flow holes (141) are perpendicular to the axes of corresponding heat dissipation through holes (13).

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