CN217899159U - Air duct air outlet capable of increasing sealing performance - Google Patents

Abstract

The utility model discloses a can increase wind channel air outlet of leakproofness relates to the sealed technical field of wind channel air outlet, including wind channel mouth and the upper cover that cup joints rather than the tip, be provided with sealing device between wind channel mouth, the upper cover, sealing device is including cup jointing the first seal assembly in wind channel mouth week side, first seal assembly includes the annular slider with wind channel mouth sliding connection, first sealing washer has been cup jointed in annular slider's week side, first sealing washer is whole to be T shape structure, the one end that the upper cover was kept away from to annular slider is provided with a plurality of spring, the both ends of spring respectively with annular slider, wind channel mouth fixed connection, this can increase the wind channel air outlet of leakproofness, realized the convenient sealed between wind channel mouth and the upper cover.

Description

Air duct air outlet capable of increasing sealing performance

Technical Field

The utility model relates to a sealed technical field of wind channel air outlet specifically is a can increase wind channel air outlet of leakproofness.

Background

The sealing can be divided into static sealing and dynamic sealing. The static seal mainly comprises three types, namely gasket seal, sealant seal and direct contact seal, and can be divided into medium-low pressure static seal and high-pressure static seal according to working pressure. The middle and low pressure static seal is usually sealed by a soft gasket with wider width, the high pressure static seal is sealed by a metal gasket which is made of harder material and has narrower contact width, and the sealing sponge arranged at the air duct opening belongs to the static seal;

in industrial exhaust, generally, the sealing sponge is simply used for sealing, but the sponge is used for sealing, and when the upper cover is installed and inserted, the sponge is damaged easily by friction force, so that the sealing strength cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can increase wind channel air outlet of leakproofness to the solution is in industry is aired exhaust, generally all is simple sealed sponge of use, but uses the sponge to seal, and when the upper cover installation was inserted, frictional force and its damage sponge easily lead to the weak point of unable seal strength of guaranteeing.

In order to achieve the above object, the present invention provides the following technical solutions: including wind channel mouth and rather than the upper cover that the tip cup jointed, be provided with sealing device between wind channel mouth, the upper cover, sealing device is including cup jointing the first seal assembly in wind channel mouth week side, first seal assembly include with wind channel mouth sliding connection's annular slider, first sealing washer has been cup jointed in annular slider's week side, the whole T shape structure that is of first sealing washer, the one end that the upper cover was kept away from to annular slider is provided with a plurality of spring, the both ends of spring respectively with annular slider, wind channel mouth fixed connection.

Preferably, the periphery of the air duct opening is provided with an annular sliding chute matched with the annular sliding block, and the periphery of the annular sliding block is provided with a T-shaped clamping groove matched with the first sealing ring.

Preferably, the first sealing ring is of an internal hollow structure.

Preferably, be provided with second seal assembly between first seal assembly and the wind channel mouth tip, second seal assembly is including cup jointing the second sealing washer all around at the wind channel mouth, all sides of wind channel mouth seted up with the first draw-in groove of second sealing washer assorted, first draw-in groove is arc, just the radian of first draw-in groove is less than.

Preferably, the inner wall of upper cover is provided with third seal assembly, third seal assembly includes the third sealing washer, the inner wall of upper cover seted up with third sealing washer assorted second draw-in groove, the second draw-in groove is arc, just the arc of second draw-in groove is.

Compared with the prior art, the utility model provides a pair of can increase wind channel air outlet of leakproofness, through first sealing washer joint in T shape draw-in groove, annular slider and wind channel mouth sliding connection's effect for when installing the upper cover, when frictional force is too big, annular slider can produce the displacement, avoids frictional force too big, leads to first sealing washer to produce the dislocation in the installation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;

fig. 2 is a schematic view of an air duct opening structure provided by the embodiment of the present invention;

fig. 3 is an exploded schematic view of a structure of an air duct port connection device according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure cross section of an air duct port connection device according to an embodiment of the present invention;

fig. 5 is a schematic view of a cross-sectional view of a part of the air duct port connection device according to an embodiment of the present invention;

fig. 6 is a schematic view of an upper cover structure provided in an embodiment of the present invention;

fig. 7 is an exploded view of the upper cover structure provided by the embodiment of the present invention;

fig. 8 is a schematic view of a partial cross-sectional structure of the upper cover according to an embodiment of the present invention.

Description of reference numerals: 1. an air duct opening; 11. an annular chute; 12. a first card slot; 2. an upper cover; 21. a second card slot; 3. a sealing device; 31. a first seal assembly; 311. an annular slider; 312. a first seal ring; 32. a second seal assembly; 321. a second seal ring; 33. a third seal assembly; 331. a third seal ring; 4. a spring.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-8, an embodiment of the present invention provides an air duct outlet capable of increasing sealing performance, including an air duct opening 1 and an upper cover 2 sleeved with an end portion of the air duct opening 1, a sealing device 3 is provided between the air duct opening 1 and the upper cover 2, the sealing device 3 includes a first sealing component 31 sleeved on an circumferential side of the air duct opening 1, the first sealing component 31 includes an annular slider 311 slidably connected to the air duct opening 1, a first sealing ring 312 is sleeved on the circumferential side of the annular slider 311, the first sealing ring 312 is integrally of a T-shaped structure, one end of the annular slider 311 away from the upper cover 2 is provided with a plurality of springs 4, two ends of the springs 4 are respectively connected to the annular slider 311 and the air duct opening 1.

The circumferential side of the air duct opening 1 is provided with an annular chute 11 matched with the annular slide block 311, and the circumferential side of the annular slide block 311 is provided with a T-shaped clamping groove matched with the first sealing ring 312, so that the first sealing ring 312 is prevented from being separated from the T-shaped clamping groove due to overlarge friction force, and the first sealing ring 312 is prevented from being dislocated.

The first sealing ring 312 is of an internal hollow structure, so that the first sealing ring 312 has a large deformation amplitude, and is prevented from being damaged.

Be provided with second seal assembly 32 between first seal assembly 31 and the wind channel mouth 1 tip, second seal assembly 32 is including cup jointing at the second sealing washer 321 of wind channel mouth 1 week side, week side of wind channel mouth 1 seted up with the first draw-in groove 12 of second sealing washer 321 assorted, first draw-in groove 12 is arc, and the radian of first draw-in groove 12 is less than 180, second sealing washer 321 is circular structure, when making upper cover 2 insert wind channel mouth 1, frictional force can make second sealing washer 321 break away from first draw-in groove 12, the diameter and the annular slider 311 of second sealing washer 321, the clearance width between the annular chute 11 is the same, make the second sealing washer 321 of roll-off first draw-in groove 12 can slide the card go into annular slider 311, in the clearance between the annular chute 11, seal the clearance.

The inner wall of upper cover 2 is provided with third seal assembly 33, third seal assembly 33 includes third sealing washer 331, the inner wall of upper cover 2 seted up with third sealing washer 331 assorted second draw-in groove 21, second draw-in groove 21 is arc, and the arc of second draw-in groove 21 is 180, upper cover 2 inserts the back, week side and the first draw-in groove 12 coincidence card of third sealing washer 331 are gone into in first draw-in groove 12, to wind channel mouth 1, carry out supplementary sealed between the upper cover 2, the inner wall that upper cover 2 is close to wind channel mouth 1 one end is the inclined plane, when avoiding the installation to insert upper cover 2, upper cover 2 position does not aim at, lead to excessively extrudeing first sealing washer 312, make its damaged.

During the use, only need insert wind channel mouth 1 with upper cover 2 in, frictional force drives first seal assembly 31, second seal assembly 32 in proper order and removes for annular slider 311, the clearance department of annular spout 11 are gone into to second seal assembly 32 card, insert upper cover 2 back completely, and third seal assembly 33 and first draw-in groove 12 coincide, to wind channel mouth 1, upper cover 2 carry out supplementary sealed can.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (5)

1. An air duct outlet capable of improving the sealing performance comprises an air duct opening (1) and an upper cover (2) sleeved with the end part of the air duct opening, and is characterized in that a sealing device (3) is arranged between the air duct opening (1) and the upper cover (2);

the sealing device (3) comprises a first sealing component (31) sleeved on the peripheral side of the air duct opening (1);

the first sealing assembly (31) comprises an annular sliding block (311) which is in sliding connection with the air duct opening (1), and a first sealing ring (312) is sleeved on the peripheral side of the annular sliding block (311);

the whole first sealing ring (312) is of a T-shaped structure, and one end, far away from the upper cover (2), of the annular sliding block (311) is provided with a plurality of springs (4);

and two ends of the spring (4) are respectively and fixedly connected with the annular sliding block (311) and the air duct opening (1).

2. The air duct outlet capable of increasing the sealing performance according to claim 1, wherein an annular chute (11) matched with the annular slider (311) is formed on the peripheral side of the air duct opening (1), and a T-shaped clamping groove matched with the first sealing ring (312) is formed on the peripheral side of the annular slider (311).

3. The air duct outlet with increased sealing performance as claimed in claim 1, wherein the first sealing ring (312) is of a hollow structure.

4. The air duct outlet capable of increasing the sealing performance according to claim 1, wherein a second sealing assembly (32) is disposed between the first sealing assembly (31) and the end of the air duct opening (1), the second sealing assembly (32) includes a second sealing ring (321) sleeved on the periphery of the air duct opening (1), a first clamping groove (12) matched with the second sealing ring (321) is formed on the periphery of the air duct opening (1), the first clamping groove (12) is arc-shaped, and the radian of the first clamping groove (12) is less than 180 °.

5. The air duct air outlet capable of increasing the sealing performance according to claim 1, wherein a third sealing assembly (33) is arranged on an inner wall of the upper cover (2), the third sealing assembly (33) comprises a third sealing ring (331), a second clamping groove (21) matched with the third sealing ring (331) is formed in the inner wall of the upper cover (2), the second clamping groove (21) is arc-shaped, and the arc shape of the second clamping groove (21) is 180 °.

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