CN217401267U

CN217401267U - Waterproof durable fan host computer shell structure

Info

Publication number: CN217401267U
Application number: CN202220972010.1U
Authority: CN
Inventors: 罗志宇
Original assignee: Guangdong Qingfeng Electric Technology Co ltd
Current assignee: Guangdong Qingfeng Electric Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-09
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a waterproof durable fan host computer shell structure, include: a base body and a rear housing cover; the base main body comprises a front shell and a rear shell which can be covered and connected with the base. The base rear shell is provided with a first connecting side wall, the base front shell is provided with a second connecting side wall, and the second connecting side wall can be attached to the first connecting side wall along the radial direction; a sealing groove is arranged on one side of the first connecting side wall facing the second connecting side wall along the circumferential direction, and a sealing ring is embedded in the sealing groove; the sealing ring is abutted between the first connecting side wall and the second connecting side wall. The utility model discloses, sealed recess is seted up at the base backshell, and the base backshell need not through surface treatment such as dusting, and the sealing washer inlays the dress and closely firm at sealed recess, and the waterproof sealing performance of fan host computer has effectively been guaranteed to difficult emergence slip or wearing and tearing.

Description

Waterproof durable fan host computer shell structure

Technical Field

The utility model relates to an electric fan technical field, in particular to waterproof durable fan host computer shell structure.

Background

The existing fan shell generally comprises a base front shell and a base rear shell, wherein the base front shell and the base rear shell form a base main body and are used for mounting motor stator and rotor parts, and a rear shell cover is further sleeved on one side of the base main body to mount elements such as a motor electric control board. In order to protect the motor stator, the rotor and the coil, a sealing element is pressed between the front base shell and the rear base shell to improve the waterproof performance. However, the front shell and the rear shell of the base are exposed parts, and surface treatment such as powder spraying is generally carried out, and coarse particles exist on the surface of the front shell of the base, so that the sealing element of the base is difficult to effectively attach to the front shell of the base and the rear shell of the base, and the sealing element is easy to slide and wear; after long-term use or dismantlement many times, the retaining member of shell and base backshell is ageing before the base, and the axial locking force effort of shell and base backshell diminishes before the base, and the sealing performance of sealing washer will obviously descend, is difficult to guarantee the waterproof sealing performance of fan host computer.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a waterproof durable fan host computer shell structure.

The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: a water resistant durable fan motor housing structure comprising: a base body and a rear housing cover;

the base main body comprises a base front shell and a base rear shell which can be covered and connected with each other in a front-back manner, and a motor installation cavity is formed by the base front shell and the base rear shell in a surrounding manner; the rear shell cover is arranged on the base main body and is provided with an accommodating cavity for installing electronic elements;

the base rear shell is provided with a first connecting side wall, the base front shell is provided with a second connecting side wall, and the second connecting side wall can be attached to the first connecting side wall along the radial direction; a sealing groove is arranged on one side of the first connecting side wall facing the second connecting side wall along the circumferential direction, and a sealing ring is embedded in the sealing groove; the sealing ring is abutted between the first connecting side wall and the second connecting side wall.

Optionally, the first connecting side wall is circular, the second connecting side wall is circular, and the second connecting side wall is sleeved outside the first connecting side wall.

Optionally, the first connecting sidewall includes a first wall portion and a second wall portion, the sealing groove is located between the first wall portion and the second wall portion, and the second wall portion is disposed near the base front shell; the second wall portion has an outer diameter smaller than an outer diameter of the first wall portion.

Optionally, the first connecting sidewall is disposed obliquely toward one side of the second connecting sidewall.

Optionally, the base front shell is provided with a plurality of reinforcing convex columns, and the reinforcing convex columns are provided with first mounting screw holes; the base backshell is equipped with the second mounting hole, the second mounting hole with first installation screw hole looks adaptation.

Optionally, the reinforcing convex column is provided with a receiving step for placing a motor stator.

Optionally, the base rear shell is provided with a pressing step for pressing the motor stator, and the upper end and the lower end of the motor stator can be respectively abutted against the pressing step and the bearing step.

Optionally, the first connecting side wall is circular, the second connecting side wall is circular, and the first connecting side wall is sleeved on the outer side of the second connecting side wall.

The utility model has the advantages that: when the base rear shell and the base front shell of the base main body are assembled, a first connecting side wall arranged on the base rear shell and a second connecting side wall arranged on the base front shell can be mutually attached along the radial direction; the sealing grooves formed in the circumferential direction of the first connecting side wall can be embedded with sealing rings, and the sealing rings respectively abut against the first connecting side wall and the second connecting side wall in the radial direction to realize tight connection of the first connecting side wall and the second connecting side wall. The sealing groove is arranged on the rear base shell, the rear base shell is a non-exposed part, surface treatment such as powder spraying is not needed, the sealing ring is embedded in the sealing groove and is tight and firm, and sliding or abrasion is not easy to occur; and the sealing ring is abutted against the first connecting side wall and the second connecting side wall along the radial direction, so that the axial locking acting force for locking the front base shell and the rear base shell is not borne, the waterproof sealing performance of the sealing ring cannot be obviously reduced when the axial locking acting force is reduced, and the waterproof sealing performance of the fan main machine is effectively ensured.

In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible and obvious, preferred embodiments accompanied with figures are described in detail below.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a sectional view of a waterproof and durable fan main unit casing structure according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view A of FIG. 1;

FIG. 3 is a schematic exploded view of a housing structure of a fan main unit according to the present invention, which is waterproof and durable in a real-time manner;

fig. 4 is an exploded view of the waterproof and durable housing structure of the fan main unit shown in fig. 3 from another perspective.

Description of the main element symbols:

10. a base body; 20. a base rear shell; 21. a first connecting sidewall; 211. a first wall portion; 212. a second wall portion; 22. sealing the groove; 23. a second mounting hole; 24. pressing the step; 30. a base front shell; 31. a second connecting sidewall; 32. a reinforcing convex column; 33. a first mounting screw hole; 34. carrying steps; 40. a rear shell cover; 50. a motor mounting cavity; 60. an accommodating cavity; 70. a seal ring; 80. a motor stator.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical field can reasonably determine the specific meaning of the words in the utility model by combining the specific content of the technical scheme.

Examples

Referring to fig. 1 to 4, the utility model provides a waterproof durable fan host shell structure, include: a base body 10 and a rear case cover 40;

the base main body 10 comprises a base front shell 30 and a base rear shell 20 which can be covered and connected in a front-back manner, and the base front shell 30 and the base rear shell 20 are surrounded to form a motor installation cavity 50; the rear case cover 40 is mounted on the base body 10 and is provided with a containing cavity 60 for mounting electronic components;

the base rear shell 20 is provided with a first connecting side wall 21, the base front shell 30 is provided with a second connecting side wall 31, and the second connecting side wall 31 can be attached to the first connecting side wall 21 along the radial direction; a sealing groove 22 is formed in one side, facing the second connecting side wall 31, of the first connecting side wall 21 along the circumferential direction, and a sealing ring 70 is embedded in the sealing groove 22; the seal ring 70 abuts between the first connecting sidewall 21 and the second connecting sidewall 31.

In the present invention, when the base rear shell 20 of the base main body 10 is assembled with the base front shell 30, the first connecting sidewall 21 provided on the base rear shell 20 and the second connecting sidewall 31 provided on the base front shell 30 can be radially attached to each other; the sealing groove 22 formed in the first connecting sidewall 21 along the circumferential direction can be embedded with a sealing ring 70, and the sealing ring 70 respectively abuts against the first connecting sidewall 21 and the second connecting sidewall 31 along the radial direction to realize the tight connection between the first connecting sidewall 21 and the second connecting sidewall 31. In the utility model, the sealing groove 22 is arranged on the base rear shell 20, the base rear shell 20 is a non-exposed part, surface treatment such as powder spraying is not needed, the sealing ring 70 is embedded in the sealing groove 22 to be tight and firm, and sliding or abrasion is not easy to occur; moreover, the sealing ring 70 is abutted against the first connecting side wall and the second connecting side wall 31 along the radial direction, and does not bear the axial locking acting force for locking the base front shell 30 and the base rear shell 20, so that when the axial locking acting force is reduced, the waterproof sealing performance of the sealing ring 70 cannot be obviously reduced, and the waterproof sealing performance of the fan main unit is effectively ensured.

In this embodiment, the first connecting sidewall 21 is annular, the second connecting sidewall 31 is annular, and the second connecting sidewall 31 is sleeved outside the first connecting sidewall 21. Specifically, the inner diameter of the second connecting sidewall 31 is slightly larger than the outer diameter of the first connecting sidewall 21 so as to be sleeved on the outer side of the first connecting sidewall 21, and the sealing ring 70 is also sleeved in the sealing groove 22 on the outer side of the first connecting sidewall 21.

In this embodiment, the first connecting sidewall 21 includes a first wall portion 211 and a second wall portion 212, the seal groove 22 is located between the first wall portion 211 and the second wall portion 212, and the second wall portion 212 is disposed near the base front case 30; the outer diameter of the second wall portion 212 is smaller than the outer diameter of the first wall portion 211. The second wall portion 212 is disposed near the base front case 30 at the top end of the first connecting side wall 21; the outer diameter of the second wall portion 212 is smaller than the outer diameter of the first wall portion 211, so that the seal ring 70 can be easily fitted into the seal groove 22.

In some embodiments, the first connection sidewall 21 is disposed to be inclined toward one side of the second connection sidewall 31. The first connecting sidewall 21 is disposed obliquely toward one side of the second connecting sidewall 31, so that the second connecting sidewall 31 is vertically press-fitted and sleeved outside the first connecting sidewall 21, so as to assemble the front base shell 30 and the rear base shell 20.

In this embodiment, the base front shell 30 is provided with a plurality of reinforcing convex columns 32, and the reinforcing convex columns 32 are provided with first mounting screw holes 33; the base rear shell 20 is provided with a second mounting hole 23, and the second mounting hole 23 is matched with the first mounting screw hole 33. The reinforcing convex column 32 is used as a reinforcing rib structure on one hand, and the mechanical strength of the base front shell 30 is improved; on the other hand, the reinforcing convex column 32 is provided with a first mounting screw hole 33, the base rear shell 20 is provided with a second mounting hole 23 matched with the first mounting screw hole 33, and a mounting bolt penetrates through the second mounting hole 23 and is in threaded connection with the first mounting screw hole 33 so as to lock the base front shell 30 and the base rear shell 20 and fully utilize the space of the reinforcing convex column 32.

Further, the reinforcing convex column 32 is provided with a bearing step 34 for placing the motor stator 80, so as to install the motor stator 80.

Specifically, the base rear shell 20 is provided with a pressing step 24 for pressing the motor stator 80, and the upper end and the lower end of the motor stator 80 can be respectively abutted against the pressing step 24 and the receiving step 34. When the base rear shell 20 is locked and installed on the base front shell 30, the pressing step 24 and the receiving step 34 are pressed against the motor stator 80 from the upper end and the lower end, so that the assembly of the base front shell 30 and the base rear shell 20 is realized, and the motor stator 80 is also locked and fixed.

In other embodiments, the first connecting sidewall 21 is annular, the second connecting sidewall 31 is annular, and the first connecting sidewall 21 is disposed outside the second connecting sidewall 31. The first connecting sidewall 21 is disposed on the outer side of the second connecting sidewall 31, the sealing groove 22 is disposed on the inner side of the first connecting sidewall 21 facing the second connecting sidewall 31, and the rest of the mounting structure is the same as above and will not be described herein.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims

1. A waterproof durable fan main unit shell structure, characterized in that includes: a base body (10) and a rear case cover (40);

the base main body (10) comprises a base front shell (30) and a base rear shell (20) which can be covered and connected in a front-back mode, and a motor installation cavity (50) is formed by the base front shell (30) and the base rear shell (20) in a surrounding mode; the rear shell cover (40) is arranged on the base main body (10) and is provided with an accommodating cavity (60) for mounting electronic components;

the base rear shell (20) is provided with a first connecting side wall (21), the base front shell (30) is provided with a second connecting side wall (31), and the second connecting side wall (31) can be attached to the first connecting side wall (21) along the radial direction; a sealing groove (22) is formed in one side, facing the second connecting side wall (31), of the first connecting side wall (21) along the circumferential direction, and a sealing ring (70) is embedded in the sealing groove (22); the seal ring (70) abuts between the first connecting sidewall (21) and the second connecting sidewall (31).

2. The waterproof durable fan main unit case structure according to claim 1, wherein: the first connecting side wall (21) is annular, the second connecting side wall (31) is annular, and the second connecting side wall (31) is sleeved on the outer side of the first connecting side wall (21).

3. The waterproof durable fan main unit case structure according to claim 2, wherein: the first connecting side wall (21) comprises a first wall part (211) and a second wall part (212), the sealing groove (22) is positioned between the first wall part (211) and the second wall part (212), and the second wall part (212) is arranged close to the base front shell (30); the second wall portion (212) has an outer diameter smaller than an outer diameter of the first wall portion (211).

4. The waterproof durable fan main unit case structure of claim 2, wherein: the first connecting side wall (21) is provided obliquely toward one side of the second connecting side wall (31).

5. The waterproof durable fan main unit case structure of claim 2, wherein: the base front shell (30) is provided with a plurality of reinforcing convex columns (32), and the reinforcing convex columns (32) are provided with first mounting screw holes (33); base backshell (20) are equipped with second mounting hole (23), second mounting hole (23) with first installation screw (33) looks adaptation.

6. The waterproof durable fan main unit case structure according to claim 5, wherein: the reinforcing convex column (32) is provided with a bearing step (34) for placing a motor stator (80).

7. The waterproof durable fan main unit case structure of claim 6, wherein: the base rear shell (20) is provided with a pressing step (24) used for pressing a motor stator (80), and the upper end and the lower end of the motor stator (80) can be respectively abutted against the pressing step (24) and the bearing step (34).

8. The waterproof durable fan main unit case structure according to claim 1, wherein: the first connecting side wall (21) is circular, the second connecting side wall (31) is circular, and the first connecting side wall (21) is sleeved on the outer side of the second connecting side wall (31).