Detachable silencer for jet fan

Abstract

The utility model provides a detachable silencer for a jet fan, which relates to the technical field of jet fans and comprises a jet fan end pipe, one end of the jet fan end pipe is movably connected with a silencer, six second fixing grooves are equidistantly formed in one end of the surface of the silencer in a surrounding manner, and the other end of the silencer is provided with a plurality of second fixing grooves. Fixing devices are arranged in the six second fixing grooves, and a clamping fixing device is arranged at one end of the silencer. According to the utility model, the clamping block and the clamping groove are clamped with each other to facilitate disassembly and assembly, the fixed ring is pushed to the clamping position of the limiting ring to be fixed through the pushing and resilience force of the screw push plate and the spring, and the push ring is pushed to drive the movable ring to move along the direction of the limiting fixed rod through the arranged fixing device; and the limiting fixing rod moves in the first fixing groove and the second fixing groove, and when one end of the limiting fixing rod extends to one end in the first fixing groove, a section of the limiting fixing rod is reserved in the second fixing groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to jet fan technical field especially relates to a detachable muffler for jet fan. BACKGROUND

[0002] The jet fan is a kind of fan based on Bernoulli theorem and continuous equation, its working principle is to use high-speed airflow to suck gas through nozzle or pipeline, then the gas is jetted out at higher speed through diffuser or turbine to achieve the purpose of ventilation, suction or driving other equipment.

[0003] But in the prior art, when the air outlet of jet fan is treated for sound elimination, the muffler device of part of jet fan is integrated, the muffler is not convenient to disassemble, so that workers need to climb to high place and clean for a long time, which is dangerous and inconvenient for the all-round cleaning of the muffler;And because the muffler device is installed at the air outlet of jet fan, the weight of one end of fan is heavier, which leads to deformation and reduces the sound elimination effect. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of detachable mufflers for jet fan, to solve the problems in the prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a detachable muffler for jet fan, comprising: jet fan end pipe, one end of the jet fan end pipe is movably connected with a muffler, six second fixing grooves are equidistantly formed around the surface of the muffler, a fixing device is arranged in the six second fixing grooves, and a clamping fixing device is arranged at one end of the muffler.

[0006] Further, six first fixing grooves are equidistantly formed around the surface of one end of the jet fan end pipe, a fixing ring is mounted at one end of the jet fan end pipe, and six clamping blocks are equidistantly mounted around the inside of the fixing ring.

[0007] Further, a plurality of pressure relief holes are equidistantly formed around the inside of the muffler, a pressure relief chamber is formed around the inside of the muffler, a clasp ring is mounted at one end of the muffler, six second limiting grooves are equidistantly formed around the inside of the clasp ring, a limiting ring is mounted inside the clasp ring at one end of the muffler, six clamping grooves are equidistantly formed around the outer surface of the limiting ring, and six first limiting grooves are equidistantly formed around the outer surface of the limiting ring.

[0008] Further, the clamping fixing device comprises a push plate, four springs are equidistantly mounted around one side of the push plate, six limiting blocks are equidistantly mounted around the outer ring surface and the inner ring surface of the push plate.

[0009] Further, one end of the four springs is mounted at one end of the jet fan end pipe, and the spring is located between the snap ring and the limiting ring, the surface of the push plate is movably embedded between the snap ring and the limiting ring, and the surfaces of the plurality of limiting blocks are movably embedded in the plurality of first limiting grooves and the plurality of second limiting grooves.

[0010] Further, the fixing device comprises a movable ring, a push ring is mounted on the outer surface of the movable ring, and six limiting fixing rods are mounted at equal intervals in the inner portion of the movable ring.

[0011] Further, the inner portion of the movable ring is movably sleeved on the surfaces of the jet fan end pipe and the muffler, and the surfaces of the six limiting fixing rods are movably embedded in the six first fixing grooves and the six second fixing grooves.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1. The utility model discloses a snap block and a snap groove are conveniently disassembled, and then the screw push plate and the spring are pushed and rebounded to push the fixed ring to the clamping position of the limiting ring to be fixed, so that the muffler of the jet fan is conveniently disassembled and cleaned.

[0014] 2. The utility model discloses a fixing device, which pushes the push ring to drive the movable ring to move along the direction of the limiting fixing rod, and moves in the first fixing groove and the second fixing groove through the limiting fixing rod, and one end of the limiting fixing rod is located in the first fixing groove, so that a part of the limiting fixing rod is located in the second fixing groove, preventing the deformation of the connecting portion caused by the heavy weight of the muffler. DRAWINGS

[0015] Figure 1 A front view of the detachable muffler for the jet fan is provided.

[0016] Figure 2 A front view of the detachable muffler for the jet fan is provided.

[0017] Figure 3 A front view of the detachable muffler for the jet fan is provided.

[0018] Figure 4 A front view of the detachable muffler for the jet fan is provided.

[0019] Figure 5 A front view of the detachable muffler for the jet fan is provided.

[0020] Figure 6 The utility model provides a kind of side section view solid structure schematic diagram of detachable muffler for fluidic fan;

[0021] Figure 7 The utility model provides a kind of fluidic fan end pipe solid structure schematic diagram of detachable muffler for fluidic fan;

[0022] Figure 8 The utility model provides a kind of fixing device solid structure schematic diagram of detachable muffler for fluidic fan.

[0023] Legend:

[0024] 1, fluidic fan end pipe;101, first fixed groove;102, fixed ring;103, clamping block;2, muffler;201, second fixed groove;202, pressure relief hole;203, pressure relief bin;204, snap ring;205, limit ring;206, clamping groove;207, first limit slot;208, second limit slot;3, clamping fixing device;301, push plate;302, limit block;303, spring;4, fixing device;401, movable ring;402, push ring;403, limit fixed rod. Specific embodiments

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 the utility model.

[0026] Please refer to Figures 1-8 The utility model provides a kind of technical scheme: a kind of detachable muffler for fluidic fan, comprising: fluidic fan end pipe 1, one end of fluidic fan end pipe 1 is movably connected with muffler 2, the surface of muffler 2 is opened with six second fixed grooves 201 at one end equidistantly, six second fixed grooves 201 are provided with fixing device 4 in the inside, and one end of muffler 2 is provided with clamping fixing device 3.

[0027] Specifically, the jet fan end pipe 1 is an end air outlet pipe of the jet fan body, and is a part of the jet fan body; the clamping block 103 and the clamping groove 206 are clamped to each other to facilitate disassembly and assembly, and then the push plate 301 and the spring 303 push the fixed ring 102 to the clamping position of the limiting ring 205 to be fixed, the movable ring 401 is driven to move along the direction of the limiting fixed rod 403 through the push ring 402 and the limiting fixed rod 403, and moves in the first fixed groove 101 and the second fixed groove 201; when the muffler 2 is used, the sound pressure of the air blown by the jet fan is reduced through the pressure relief hole 202 and the pressure relief chamber 203 in the muffler 2, so that the noise of the blown air is reduced.

[0028] In one embodiment, six first fixed grooves 101 are arranged at equal intervals around the surface of one end of the jet fan end pipe 1, and the fixed ring 102 is installed at one end of the jet fan end pipe 1, and six clamping blocks 103 are installed at equal intervals inside the fixed ring 102.

[0029] Specifically, as shown in Figure 7 , the first fixed groove 101 limits the limiting fixed rod 403, the clamping block 103 clamps the clamping groove 206, and the clamping block 103 clamps the clamping groove 206, which facilitates disassembly and assembly.

[0030] In one embodiment, a plurality of pressure relief holes 202 are arranged at equal intervals around the inside of the muffler 2, a pressure relief chamber 203 is arranged around the inside of the muffler 2, a clamping ring 204 is installed at one end of the muffler 2, six second limiting grooves 208 are arranged at equal intervals inside the clamping ring 204, a limiting ring 205 is installed at one end of the muffler 2 inside the clamping ring 204, six clamping grooves 206 are arranged at equal intervals on the outer surface of the limiting ring 205, and six first limiting grooves 207 are arranged at equal intervals on the outer surface of the limiting ring 205.

[0031] Specifically, as shown in Figures 2-6 , the pressure relief hole 202 and the pressure relief chamber 203 are used to reduce the sound of the air outlet, which plays a role in sound reduction.

[0032] In one embodiment, the clamping and fixing device 3 includes a push plate 301, four springs 303 are installed at equal intervals on one side of the push plate 301, and six limiting blocks 302 are installed at equal intervals on the outer ring surface and the inner ring surface of the push plate 301.

[0033] Specifically, as shown in Figure 5 , the push plate 301 and the spring 303 push the fixed ring 102 to be clamped, which facilitates disassembly and assembly.

[0034] In one embodiment, one end of the four springs 303 is mounted on one end of the jet fan end pipe 1, and the spring 303 is located between the clasp ring 204 and the limiting ring 205, the surface of the push plate 301 is movably embedded between the clasp ring 204 and the limiting ring 205, and the surface of the plurality of limiting blocks 302 is movably embedded inside the plurality of first limiting grooves 207 and the second limiting grooves 208.

[0035] Specifically, as shown in Figure 5 : The spring 303, the push plate 301 and the limiting block 302 are fixed and limited by the clasp ring 204, the limiting ring 205, the first limiting groove 207 and the second limiting groove 208, which plays a limiting and fixing role.

[0036] In one embodiment, the fixing device 4 includes a movable ring 401, the outer surface of the movable ring 401 is provided with a push ring 402, and the inner part of the movable ring 401 is provided with six limiting fixing rods 403 around at equal distances.

[0037] Specifically, as shown in Figure 8 : The muffler 2 and the jet fan end pipe 1 are fixed by the push ring 402 and the limiting fixing rod 403 to prevent deformation due to heavy weight.

[0038] In one embodiment, the inner part of the movable ring 401 movably sheaths the surface of the jet fan end pipe 1 and the muffler 2, and the surface of the six limiting fixing rods 403 movably embeds inside the six first fixing grooves 101 and the six second fixing grooves 201.

[0039] Specifically, as shown in Figure 8 : The movable ring 401 and the limiting fixing rod 403 are limited and fixed by the jet fan end pipe 1 and the muffler 2 and the first fixing groove 101 and the second fixing groove 201, which plays a fixing and limiting role.

[0040] Working principle:

[0041] By holding and pushing the muffler 2, the notch of the six clamping grooves 206 aligns with the six clamping blocks 103 to push in, when the clamping block 103 reaches the inflection point of the clamping groove 206, the muffler 2 is rotated to the groove bottom along the direction of the clamping groove 206, when the fixing ring 102 is inserted between the clasp ring 204 and the limiting ring 205, the push plate 301 is pushed to drive the limiting block 302 to move along the direction inside the first limiting groove 207 and the second limiting groove 208, when the clamping block 103 reaches the bottom of the clamping groove 206, the push plate 301 is pushed by the rebound force of the spring 303 to extrude the fixing ring 102 to push the clamping block 103 to the clamping position of the clamping groove 206 for fixing, when disassembling, the muffler 2 is disassembled according to the above reverse steps, which is convenient for workers to climb to a high place to disassemble to the ground for overall cleaning.

[0042] When the jet fan end pipe 1 and the muffler 2 are butt-jointed, the openings of the first fixing groove 101 and the second fixing groove 201 are also aligned, the push ring 402 drives the movable ring 401 to move along the limiting fixing rod 403 in the direction inside the second fixing groove 201, when the limiting fixing rod 403 is embedded in the bottom of one end inside the first fixing groove 101, one end of the limiting fixing rod 403 also leaves a section inside the second fixing groove 201, so that the jet fan end pipe 1 and the muffler 2 are connected and fixed, and the deformation caused by the self weight of the muffler 2 falling down is prevented.

[0043] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the technical scheme of the present application, still falls within the protection scope of the present application.

Claims

1. A detachable silencer for a jet fan, characterized in that, The utility model relates to a jet fan end pipe (1) one end swing joint has silencer (2), the surface of silencer (2) one end surrounds equidistance and is opened with six second fixed slot (201), six second fixed slot (201) are provided with fixing device (4) inside, and the one end of silencer (2) is provided with the clamping fixing device (3). The surface of the jet fan end pipe (1) one end surrounds equidistance and is opened with six first fixed slot (101), and the jet fan end pipe (1) one end is installed with fixed ring (102), and the inside one end of fixed ring (102) surrounds equidistance and is installed with six clamping blocks (103).

2. A detachable muffler for a fluidic fan according to claim 1, characterized in that: The inside of the silencer (2) surrounds equidistance and is opened with a plurality of pressure relief holes (202), and the inside of the silencer (2) surrounds and is opened with a pressure relief bin (203), and the one end of the silencer (2) is installed with a clamping ring (204), and the inside of the clamping ring (204) surrounds equidistance and is opened with six second limiting grooves (208), and the one end of the silencer (2) is installed with a limiting ring (205) inside the clamping ring (204), and the outer surface of the limiting ring (205) surrounds equidistance and is opened with six clamping grooves (206), and the outer surface of the limiting ring (205) surrounds equidistance and is opened with six first limiting grooves (207).

3. The detachable muffler for a fluidics fan according to claim 1, characterized in that: The clamping fixing device (3) includes a push plate (301), and the push plate (301) is installed with four springs (303) equidistance on one side, and the outer ring surface and the inner ring surface of the push plate (301) are installed with six limiting blocks (302) equidistance.

4. The detachable muffler for a fluidics fan according to claim 1, characterized in that: The one end of the four springs (303) is installed in the one end of the jet fan end pipe (1), and the spring (303) is located between the clamping ring (204) and the limiting ring (205), the surface of the push plate (301) is movably embedded between the clamping ring (204) and the limiting ring (205), and the surface of the plurality of limiting blocks (302) is movably embedded in the plurality of first limiting grooves (207) and the second limiting grooves (208).

5. A detachable muffler for a fluidic fan according to claim 4, characterized in that: The fixing device (4) includes a movable ring (401), and the outer surface of the movable ring (401) is installed with a push ring (402), and the inside of the movable ring (401) surrounds equidistance and is installed with six limiting fixing rods (403).

6. A detachable muffler for a fluidic fan according to claim 1, wherein: The inside of the movable ring (401) is movably sleeved on the surface of the jet fan end pipe (1) and the silencer (2), and the surface of the six limiting fixing rods (403) is movably embedded in the six first fixed slots (101) and the six second fixed slots (201).

7. A detachable muffler for a fluidic fan according to claim 6, characterized in that: ​

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