Network switch with dustproof function

Abstract

The utility model relates to the technical field of switches, in particular to a network switch with a dustproof function, which comprises a switch body and two fans symmetrically arranged in an inner cavity of the switch body, round holes are respectively arranged on two sides of the switch body, heat dissipation hole assemblies are respectively arranged on the outer sides of the round holes, and the heat dissipation hole assemblies comprise a plurality of heat dissipation holes. Blade assemblies are rotationally connected into the circular holes correspondingly, each blade assembly comprises inclined blades with the number equal to that of the heat dissipation holes, and dust baffles matched with the heat dissipation holes are connected to the inclined blades correspondingly; the edge of one dust board is connected with a circumferential limiting assembly; and one of the dust boards is connected with a counterweight reset block assembly. The network switch is reasonable in structure, the dust board can automatically block the heat dissipation net when the network switch stops working, dust entering the inner cavity of the network switch is reduced, the probability that the network switch is damaged due to dust factors is reduced, and the working stability of the network switch is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to a network switch with a dust-proof function. Background Art

[0002] A switch is a network device for forwarding electrical signals. It can connect user lines, telecommunication circuits, and other functional units to be interconnected according to the requests of individual users. The switch can provide an exclusive electrical signal path for any two network nodes accessing the switch. There is a MAC address table inside the switch, which records the corresponding information of all MAC addresses in the network and each port of the switch, so as to determine which port to forward according to the destination MAC address of the data frame. Switches are widely used in various fields such as homes, offices, schools, hospitals, and enterprises to connect various network devices, realizing the sharing and efficient transmission of network resources. During the use of the switch, it needs to be placed in a well-ventilated place to facilitate the fan inside the switch to work and blow the heat inside it to the external environment through the heat dissipation holes, reducing the temperature inside the switch and being beneficial to enhancing the working stability of the switch.

[0003] In view of the above related technologies, the inventor found that when the switch stops working, external dust easily enters the inner cavity of the switch through the heat dissipation holes. The dust adhering to the electronic components easily causes a short-circuit phenomenon. And during the period when the existing switch stops working, the heat dissipation holes cannot be blocked, and dust easily enters the inner cavity through the heat dissipation holes. Therefore, it is necessary to design a network switch that has the function of automatically blocking the heat dissipation holes during the period when the switch stops working. Summary of the Utility Model

[0004] The main technical problem to be solved by the utility model is to provide a network switch with a dust-proof function. In the state of stopping work, the dust-proof plate can automatically block the heat dissipation net, reducing the dust entering its inner cavity, reducing the probability of damage to the switch caused by dust factors, and improving the working stability of the network switch.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide a network switch with a dust-proof function, including: a switch body and two fans symmetrically arranged in its inner cavity. Circular holes are respectively arranged on both sides of the switch body, and heat dissipation hole components are respectively arranged outside the circular holes. The heat dissipation hole components include a plurality of heat dissipation holes arranged in a circular array on the side wall of the switch body;

[0006] Blade components are respectively rotatably connected in the circular holes, the blowing direction of the fans points to the blade components, the blade components include inclined blades equal in number to the heat dissipation holes, and dust-proof plates adapted to the heat dissipation holes are respectively connected to the inclined blades;

[0007] A circumferential limit assembly is connected to the edge of one of the dust shields;

[0008] A counterweight positioning block assembly is connected to one of the dust shield plates and is suitable for driving the dust shield plate to rotate in the opposite direction to overlap with the corresponding heat dissipation hole when the fan is stationary.

[0009] By adopting the above technical solution, when in use, the electronic components in the switch body generate a large amount of heat, and the fan blows the air to flow rapidly on the inclined blades of the blade assembly. Under the limiting action of the circumferential limiting assembly, the inclined blades rotate at a certain angle to drive the dust shield to be staggered with the heat dissipation holes, and the air flows to the outside through the heat dissipation holes. The heat is taken away during the air flow, thereby cooling the temperature inside the switch body. When the network switch stops working, the fan also stops rotating accordingly, and the dust shield is driven to rotate in the opposite direction and overlap with the corresponding heat dissipation holes under the gravity of the counterweight positioning block assembly, that is, the dust shield blocks the corresponding heat dissipation holes respectively, so as to achieve the purpose of dust prevention, prevent external dust from entering the interior of the network switch, reduce the probability of damage to the switch due to dust factors, and improve the working stability of the network switch.

[0010] In a preferred example, the utility model can be further configured as follows: the blade assembly also includes a rotating shaft, one end of the rotating shaft is rotatably connected in the circular hole, and the outer circular ring array at the other end is connected to the inclined blades.

[0011] By adopting the above technical solution, the fan blows out a large amount of wind, and the wind acts on the inclined blades, causing the inclined blades to rotate together with the shaft. After the inclined blades drive the dust shield to rotate a certain angle, the dust shield and the heat dissipation holes are staggered, and the wind flows through the heat dissipation holes to the external environment and takes away the heat at the same time, thereby achieving the purpose of cooling.

[0012] In a preferred example, the utility model can be further configured as follows: the circumferential limit assembly includes an arc-shaped plate, an arc-shaped limit cavity is provided on the arc-shaped plate, a column is passed through the arc-shaped limit cavity, one end of the column is connected to the inner wall of the switch body, and the end of the arc-shaped plate away from the column is connected to the edge of the corresponding dust shield.

[0013] By adopting the above technical solution, since the column is located in the arc-shaped limit cavity, the arc-shaped limit cavity is connected to the dust shield, and the column prevents the dust shield from overlapping with the heat dissipation hole during rotation, so that the heat dissipation hole is in a normally open state, which is convenient for heat dissipation.

[0014] In a preferred embodiment, the present utility model can be further configured as follows: The counterweight reset block assembly includes a support shaft. One end of the support shaft is inserted through and connected to the corresponding dust shield, and an annular groove is provided on the outer circle of the other end. An annular ring is sleeved and connected in the annular groove. The outer circumferential surface of the annular ring is connected to a round rod body. A plurality of annular counterweight blocks are sleeved on the outer side of the round rod body, and a nut is screwed to the lower end of the round rod body.

[0015] By adopting the above technical solution, when the network switch stops working, that is, the fan also stops blowing, under the action of the gravity of the annular counterweight blocks, the blade assembly is driven to rotate in the reverse direction, so that the dust shield overlaps with the corresponding heat dissipation holes, and the dust shield seals the heat dissipation holes, achieving the purpose of dust prevention.

[0016] In a preferred embodiment, the present utility model can be further configured as follows: A vertical plate is connected to the bottom of the inner cavity of the switch body. A transition hole is provided on the vertical plate, and the fan concentric with the transition hole is installed on the vertical plate.

[0017] By adopting the above technical solution, through the arrangement of the vertical plate, it is convenient to fix the fan, so that the fan can blow air towards the blade assembly smoothly, enhancing the heat dissipation effect.

[0018] In summary, the present utility model includes at least one of the following beneficial technical effects:

[0019] When the network switch stops working, that is, the fan also stops blowing, under the action of the gravity of the annular counterweight blocks, the blade assembly is driven to rotate in the reverse direction, so that the dust shield overlaps with the corresponding heat dissipation holes, and the dust shield seals the heat dissipation holes, achieving the purpose of dust prevention, reducing the probability of damage to the switch caused by dust factors, and improving the working stability of the network switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings, where:

[0021] Figure 1 is a schematic structural diagram of a preferred embodiment of a network switch with a dust prevention function according to the present utility model.

[0022] Figure 2 is Figure 1 the sectional view taken along line A-A in

[0023] Figure 3 is Figure 2Schematic structural diagram of the middle blade assembly, dust guard, circumferential limit assembly and weight reset block assembly.

[0024] Figure 4 is Figure 2 Schematic structural diagram of the middle vertical plate.

[0025] Figure 5 is Figure 3 Schematic structural diagram of the middle circumferential limit assembly.

[0026] Figure 6 is Figure 3 Schematic structural diagram of the middle weight reset block assembly.

[0027] In the figure: 1, switch body; 2, fan; 3, round hole; 40, heat dissipation hole assembly; 50, blade assembly; 6, dust guard; 70, circumferential limit assembly; 80, weight reset block assembly; 9, vertical plate; 11, transition hole;

[0028] 41, heat dissipation hole; 51, inclined blade; 52, rotating shaft;

[0029] 71, arc plate; 72, arc limit cavity; 73, column;

[0030] 81, support shaft; 82, annular groove; 83, annular ring; 84, round rod body; 85, annular weight block. Specific embodiments

[0031] The following is a description of the preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustration and explanation of the present invention, and are not used to limit the present invention.

[0032] It should be noted that these drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner. Therefore, they only show the components related to the present invention.

[0033] Referring to Figures 1 to 6 , a network switch with a dust-proof function disclosed by the present invention includes: a switch body 1 and two fans 2 symmetrically arranged in its inner cavity. Round holes 3 are respectively provided on both sides of the switch body 1, and heat dissipation hole assemblies 40 are respectively provided outside the round holes 3. The heat dissipation hole assembly 40 includes a plurality of heat dissipation holes 41 arranged in an annular array on the side wall of the switch body 1.

[0034] Blade assemblies 50 are respectively rotatably connected within the round holes 3. The blowing direction of the fan 2 points towards the blade assemblies 50. The blade assemblies 50 include inclined blades 51 equal in number to the heat dissipation holes 41. Dust shields 6 adapted to the heat dissipation holes 41 are respectively connected to the inclined blades 51. The blade assemblies 50 further include a rotating shaft 52. One end of the rotating shaft 52 is rotatably connected within the round hole 3, and the outer circle of the other end is annularly arrayed with the aforesaid inclined blades 51.

[0035] The edge of one of the dust shields 6 is connected with a circumferential limiting component 70. The circumferential limiting component 70 includes an arc-shaped plate 71. An arc-shaped limiting cavity 72 is provided on the arc-shaped plate 71. A column body 73 is inserted into the arc-shaped limiting cavity 72. One end of the column body 73 is connected to the inner wall of the switch body 1, and the end of the arc-shaped plate 71 away from the column body 73 is connected to the edge of the corresponding dust shield 6. Since the column body 73 is located within the arc-shaped limiting cavity 72, the arc-shaped limiting cavity 72 is connected to the dust shield 6, and the column body 73 prevents the dust shield 6 from overlapping with the heat dissipation holes 41 during rotation, enabling the heat dissipation holes 41 to be in an always-open state, facilitating heat dissipation.

[0036] One of the dust shields 6 is connected with a weight and reset block assembly 80. When the fan 2 is stationary, it is adapted to drive the dust shield 6 to rotate in the reverse direction and overlap with the corresponding heat dissipation holes 41. The weight and reset block assembly 80 includes a support shaft 81. One end of the support shaft 81 is inserted through and connected to the corresponding dust shield 6. An annular groove 82 is provided on the outer circle of the other end. An annular ring 83 is sleeved and connected within the annular groove 82. A round rod body 84 is connected to the outer circle surface of the annular ring 83. A number of annular weight blocks 85 are sleeved on the outer side of the round rod body 84. A nut is screwed to the lower end of the round rod body 84. When the network switch stops working, that is, when the fan 2 also stops blowing, under the action of the gravity of the annular weight blocks 85, the blade assembly 50 is driven to rotate in the reverse direction, causing the dust shield 6 to overlap with the corresponding heat dissipation holes 41, and the dust shield 6 seals the heat dissipation holes 41 to achieve the purpose of dust prevention.

[0037] A vertical plate 9 is connected to the bottom of the inner cavity of the switch body 1. A transition hole 11 is provided on the vertical plate 9. The aforesaid fan 2 concentric with the transition hole 11 is installed on the vertical plate 9. The vertical plate 9 plays a role in fixing the fan 2.

[0038] The implementation principle of this embodiment is as follows: when in use, the electronic components in the switch body 1 generate a large amount of heat, and the fan 2 works to blow air to quickly flow on the inclined blades 51 of the blade assembly 50. Under the limiting action of the circumferential limiting assembly 70, the inclined blades 51 rotate at a certain angle to drive the dust shield 6 to be staggered with the heat dissipation holes 41, and the air flows to the outside through the heat dissipation holes 41. The heat is taken away during the air flow, thereby cooling the temperature inside the switch body 1. When the network switch stops working, the fan 2 also stops rotating accordingly, and the dust shield 6 is driven to rotate in the opposite direction and overlap with the corresponding heat dissipation holes 41 under the gravity action of the counterweight positioning block assembly 80, that is, the dust shield 6 blocks the corresponding heat dissipation holes 41 respectively, so as to achieve the purpose of dust prevention, prevent external dust from entering the interior of the network switch, reduce the probability of damage to the switch due to dust factors, and improve the working stability of the network switch.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A network switch with dustproof function, comprising: a switch A switch body (1) and two fans (2) symmetrically arranged in its inner cavity, characterized in that circular holes (3) are respectively arranged on both sides of the switch body (1), and heat dissipation hole assemblies (40) are respectively arranged on the outer sides of the circular holes (3), and the heat dissipation hole assemblies (40) include a plurality of heat dissipation holes (41) arranged in a circular array on the side wall of the switch body (1); The circular holes (3) are rotatably connected with blade assemblies (50), the blowing direction of the fan (2) points to the blade assemblies (50), the blade assemblies (50) include inclined blades (51) equal in number to the heat dissipation holes (41), and the inclined blades (51) are respectively connected with dust shields (6) adapted to the heat dissipation holes (41); A circumferential limiting assembly (70) is connected to the edge of one of the dust shield plates (6); One of the dust shielding plates (6) is connected to a counterweight positioning block assembly (80) and is suitable for driving the dust shielding plate (6) to rotate in the opposite direction to overlap with the corresponding heat dissipation hole (41) when the fan (2) is stationary.

2. The network switch with dustproof function according to claim 1, characterized in that: The blade assembly (50) further comprises a rotating shaft (52), one end of which is rotatably connected in the circular hole (3), and the outer circular ring array at the other end is connected to the inclined blades (51).

3. The network switch with dustproof function according to claim 1, characterized in that: The circumferential limit assembly (70) comprises an arc-shaped plate (71), an arc-shaped limit cavity (72) is provided on the arc-shaped limit cavity (72), a column (73) is passed through the arc-shaped limit cavity (72), one end of the column (73) is connected to the inner wall of the switch body (1), and one end of the arc-shaped plate (71) away from the column (73) is connected to the edge of the corresponding dust shield (6).

4. The network switch with dustproof function according to claim 1, characterized in that: The counterweight positioning block assembly (80) comprises a support shaft (81), one end of the support shaft (81) is passed through and connected to the corresponding dust shield plate (6), and the outer circle of the other end is provided with an annular groove (82), an annular ring (83) is sleeved and connected inside the annular groove (82), the outer circle surface of the annular ring (83) is connected to a round rod body (84), a plurality of annular counterweight blocks (85) are sleeved on the outer side of the round rod body (84), and a nut is spirally connected to the lower end of the round rod body (84).

5. The network switch with dustproof function according to claim 1, characterized in that: The bottom of the inner cavity of the switch body (1) is connected to a vertical plate (9), a transition hole (11) is provided on the vertical plate (9), and the fan (2) is mounted on the vertical plate (9) and is concentric with the transition hole (11).

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