CN218467908U - Lid and fan subassembly behind fan - Google Patents
Lid and fan subassembly behind fan Download PDFInfo
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- CN218467908U CN218467908U CN202221919470.4U CN202221919470U CN218467908U CN 218467908 U CN218467908 U CN 218467908U CN 202221919470 U CN202221919470 U CN 202221919470U CN 218467908 U CN218467908 U CN 218467908U
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Abstract
The utility model provides a lid and fan subassembly behind fan, wherein, the fan back lid includes: the rear shell comprises a rear shell body, wherein a containing cavity is formed in the rear shell body, an extending opening communicated with the containing cavity is formed in the front surface of the rear shell body, a first groove position and a second groove position are formed in the bottom surface of the containing cavity, the first groove position is arranged obliquely above the second groove position and used for fixing an electric connecting wire, the second groove position is used for fixing a circuit board, a communicating groove is formed between the first groove position and the second groove position and used for communicating the first groove position with the second groove position; the bottom of backshell body is located to the installed part, installed part for with external connection, in order to realize the fixed to backshell body. The utility model discloses a set up first trench and second trench respectively in the intracavity of accomodating at the backshell body to be used for fixing electric connecting wire and circuit board respectively, make in the fan working process, can prevent that electric connecting wire or circuit board from producing the displacement and causing the damage, protect electric connecting wire or circuit board effectively.
Description
Technical Field
The embodiment of the utility model provides a fan equipment technical field especially relates to a lid and fan subassembly behind fan.
Background
The blower is a short form of habit of gas compression and gas conveying machinery in China, and generally comprises a ventilator, a blower and a wind driven generator. Gas compression and gas delivery machines are machines that convert rotational mechanical energy into gas pressure energy and kinetic energy and deliver the gas out.
The fan rear cover is fixedly connected to the rear portion of the fan shell, on one hand, the fan rear cover plays a role in sealing a fan rotor and a fan stator, and on the other hand, the fan rear cover is used for fixing a shaft. However, the conventional fan rear shell is lack of fixing the circuit board, so that the circuit board is easy to move to damage the circuit, and even the circuit board falls to influence the normal operation of the fan.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a lid and fan subassembly behind fan to solve the aforesaid and lack the fixed and problem that leads to producing the removal or drop to the circuit board.
In order to solve the technical problem, the utility model discloses a realize like this:
in a first aspect, an embodiment of the present invention provides a fan rear cover, including:
the circuit board comprises a rear shell body, wherein a containing cavity is formed in the rear shell body, an extending opening communicated with the containing cavity is formed in the front surface of the rear shell body, a first groove position and a second groove position are formed in the bottom surface of the containing cavity, the first groove position is arranged obliquely above the second groove position and used for fixing an electric connecting wire, the second groove position is used for fixing a circuit board, a communicating groove is formed between the first groove position and the second groove position and used for communicating the first groove position with the second groove position;
the installed part, the installed part is located the bottom of backshell body for with external connection, in order to realize right the backshell body is fixed.
The utility model discloses further set up to: a first round hole and a second round hole are symmetrically arranged in the first groove, and a strip-shaped opening communicated with the first round hole and the second round hole is formed between the first round hole and the second round hole.
The utility model discloses further set up to: the communication groove extends in a direction toward the first groove.
The utility model discloses further set up to: the width of the communicating groove is smaller than that of the first groove position, and the width of the first groove position is smaller than that of the second groove position.
The utility model discloses further set up to: the width of the first slot position is between 4mm and 6 mm; the width of the second slot position is between 6mm and 8 mm; the width of the communicating groove is between 3mm and 4 mm.
The utility model discloses further set up to: the rear shell body comprises a containing part and a connecting part which are integrally connected, the connecting part is located at the lower end of the containing part, the containing cavity is formed in the containing part, and the mounting part is connected to the bottom end of the connecting part.
The utility model discloses further set up to: the mounting part comprises a connecting column and a fixing column, one end of the connecting column is connected with the bottom of the rear shell body, and the other end of the connecting column is connected with the fixing column.
The utility model discloses further set up to: the width of the fixed column is gradually reduced along the direction far away from the connecting column, and the width of the connecting column is between the maximum width and the minimum width of the fixed column.
In a second aspect, an embodiment of the present invention provides a fan assembly, including a fan rear cover as described above.
To sum up, the beneficial effects of the utility model are that: the first groove position and the second groove position are respectively arranged in the containing cavity of the rear shell body and are respectively used for fixing the electric connecting wire and the circuit board, so that the electric connecting wire or the circuit board can be prevented from being damaged due to displacement in the working process of the fan, and the electric connecting wire or the circuit board is effectively protected; the installed part that sets up simultaneously in the backshell bottom can be connected with the outside fast, realizes the fixed to the backshell body, prevents in fan work working process that the backshell body appears rocking and influences the operation of fan.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a rear cover of a blower according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a rear cover of a blower according to another embodiment of the present invention;
fig. 3 is a schematic view of an installation component of a blower rear cover in an embodiment of the present invention.
In the figure: 10. a rear housing body; 11. a storage section; 12. a connecting portion; 20. a receiving cavity; 30. a mounting member; 31. connecting columns; 32. fixing a column; 40. a first slot position; 50. a second slot position; 60. a communicating groove; 70. a first circular hole; 80. a second circular hole; 90. a square opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a blower rear cover applied to a blower device. This lid behind fan includes: a rear housing body 10 and a mounting member 30.
Specifically, a receiving cavity 20 is formed on the rear shell body 10, an extending port communicated with the receiving cavity 20 is formed in the front surface of the rear shell body 10, a first slot 40 and a second slot 50 are formed in the bottom surface of the receiving cavity 20, the first slot 40 is arranged obliquely above the second slot 50, the first slot 40 is used for fixing an electric connecting wire, and the second slot 50 is used for fixing a circuit board; the mounting member 30 is disposed at the bottom of the rear housing body 10 and is used for connecting with the outside to fix the rear housing body 10.
In this embodiment, the first slot position 40 and the second slot position 50 are respectively arranged in the containing cavity 20 of the rear housing body 10 to be respectively used for fixing the electric connecting wire and the circuit board, so that in the working process of the fan, the electric connecting wire or the circuit board can be prevented from being damaged due to displacement, and the electric connecting wire or the circuit board is effectively protected; the installed part 30 that sets up simultaneously in the backshell bottom can be connected with the outside fast, realizes the fixed to backshell body 10, prevents in fan work working process that backshell body 10 appears rocking and influences the operation of fan.
In one embodiment, a first circular hole 70 and a second circular hole 80 are symmetrically disposed in the first slot 40, and a strip-shaped opening 90 is disposed between the first circular hole 70 and the second circular hole 80. It should be noted that, the first round hole 70 and the second round hole 80 are respectively arranged in the first slot 40, so that the electrical connection wires fixed in the first slot 40 can respectively extend into the first round hole 70 and the second round hole 80 to be connected with a power supply, so as to provide a required power supply for the circuit board; meanwhile, the strip-shaped opening 90 arranged between the first round hole 70 and the second round hole 80 can enable the generated heat to be dissipated quickly, and protection of the circuit board is facilitated.
In one embodiment, a communication groove 60 is provided between the first slot 40 and the second slot 50, the communication groove 60 communicating the first slot 40 with the second slot 50. It should be noted that, the communication groove 60 is provided to enable the electrical connection line fixed in the first slot 40 to extend into the second slot 50 to be connected with the circuit board, so as to ensure the electrical connection line to be arranged orderly, and meanwhile, the situation that the connection board or the electrical connection line is displaced during the working process, thereby causing the damage of the electrical connection line, can be avoided.
In one embodiment, the communication groove 60 has a width less than the width of the first slot position 40, and the width of the first slot position 40 is less than the width of the second slot position 50.
In one embodiment, the width of the first slot 40 is between 4mm and 6 mm; the width of the second slot 50 is between 6mm and 8 mm; the width of the communicating groove 60 is between 3mm and 4 mm.
In one embodiment, the rear housing body 10 includes a receiving portion 11 and a connecting portion 12 integrally connected, the connecting portion 12 is located at a lower end of the receiving portion 11, the receiving cavity 20 is opened in the receiving portion 11, and the mounting member 30 is connected to a bottom end of the connecting portion 12.
In one embodiment, the mounting member 30 includes a connection post 31 and a fixing post 32, one end of the connection post 31 is connected to the bottom of the rear case body 10, and the other end of the connection post 31 is connected to the fixing post 32.
Illustratively, the width of the fixing post 32 gradually decreases in a direction away from the connecting post 31, and the width of the connecting post 31 is between the maximum width and the minimum width of the fixing post 32. It should be noted that, the mounting part 30 adopts spliced pole 31 and fixed column 32 to constitute, and the width of fixed column 32 reduces along spliced pole 31's direction gradually, so that fixed column 32 card is gone into to outside mounting hole and is carried out the joint, has realized the fixed mounting to the backshell, simple structure, and installation or dismantlement are convenient.
According to the utility model discloses an on the other hand, the embodiment of the utility model provides a fan subassembly is still provided, include as above lid behind the fan. The specific structure of the rear cover of the fan refers to the above embodiments, and the fan assembly adopts all the technical schemes of all the above embodiments, so that all the beneficial effects brought by the technical schemes of the above embodiments are at least achieved, and are not repeated here.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a lid behind fan which characterized in that includes:
the circuit board comprises a rear shell body, wherein a containing cavity is formed in the rear shell body, an extending opening communicated with the containing cavity is formed in the front surface of the rear shell body, a first groove position and a second groove position are arranged on the bottom surface of the containing cavity, the first groove position is arranged obliquely above the second groove position and is used for fixing an electric connecting wire, the second groove position is used for fixing a circuit board, a communicating groove is formed between the first groove position and the second groove position and communicates the first groove position with the second groove position;
the mounting part is arranged at the bottom of the rear shell body and is used for being connected with the outside to realize the fixation of the rear shell body.
2. The rear cover of the fan as claimed in claim 1, wherein the first slot is symmetrically provided with a first round hole and a second round hole, and a strip-shaped opening communicated with the first round hole and the second round hole is formed between the first round hole and the second round hole.
3. The rear cover for a blower according to claim 1, wherein the communication groove extends in a direction toward the first groove position.
4. The blower rear cover according to claim 3, wherein the width of the communication groove is smaller than the width of the first groove, and the width of the first groove is smaller than the width of the second groove.
5. The rear cover of the blower fan as claimed in claim 4, wherein the width of the first slot is between 4mm and 6 mm; the width of the second slot position is between 6mm and 8 mm; the width of the communicating groove is between 3mm and 4 mm.
6. The rear cover of blower fan as claimed in claim 1, wherein the rear housing body includes a receiving portion and a connecting portion integrally connected to each other, the connecting portion is located at a lower end of the receiving portion, the receiving cavity is opened in the receiving portion, and the mounting member is connected to a bottom end of the connecting portion.
7. The blower rear cover according to claim 1, wherein the mounting member includes a connecting column and a fixing column, one end of the connecting column is connected to the bottom of the rear casing body, and the other end of the connecting column is connected to the fixing column.
8. The blower rear cover according to claim 7, wherein the width of the fixing post is gradually reduced in a direction away from the connecting post, and the width of the connecting post is between the maximum width and the minimum width of the fixing post.
9. A fan assembly comprising a fan rear cover as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919470.4U CN218467908U (en) | 2022-07-25 | 2022-07-25 | Lid and fan subassembly behind fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919470.4U CN218467908U (en) | 2022-07-25 | 2022-07-25 | Lid and fan subassembly behind fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218467908U true CN218467908U (en) | 2023-02-10 |
Family
ID=85135841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221919470.4U Active CN218467908U (en) | 2022-07-25 | 2022-07-25 | Lid and fan subassembly behind fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218467908U (en) |
-
2022
- 2022-07-25 CN CN202221919470.4U patent/CN218467908U/en active Active
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