Blowing dryer capable of reducing wind noise

Abstract

The utility model discloses a blowing dryer capable of reducing wind noise, and belongs to the technical field of optical cable production. Comprising an air compressor and a blow-drying cylinder, the air compressor communicates with the blow-drying cylinder through a connecting pipe and a vertical pipe, protective outer shell cylinders are connected to the two sides of the blow-drying cylinder, inner shell cylinders are coaxially arranged in the protective outer shell cylinders, and a plurality of annular inner partition pieces are arranged between the inner shell cylinders and the protective outer shell cylinders at equal intervals; a plurality of first silencing grooves are formed in the annular inner partition piece at equal intervals in a penetrating mode. A part of airflow passes through the first silencing grooves formed in the inner spacers, the other part of airflow can pass through the interior of the inner shell, the adjacent inner spacers rotate by 10 degrees, the airflow flowing distance and the airflow direction are changed, the airflow in the inner shell can be disturbed by airflow transmitted out of the second silencing grooves when passing through, and therefore the airflow in the inner shell can be silenced. The airflow direction is shifted, the airflow speed is slowed down through the friction force and the hedging force generated by the airflow, and the sound generated when the airflow passes through can be weakened through the sound absorbing material.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cable production, in particular to a blower dryer capable of reducing wind noise. Background Art

[0002] Most of the existing domestic production of optical cables or cable sheaths use domestic production lines; in the production of optical cables and cables, the optical cables or cables output from the sheathing machine head are cooled and shaped in a water tank, and then pass through a blow dryer to blow compressed air directly onto the surface of the sheath, blowing away the water droplets on the surface of the sheath to achieve the purpose of drying.

[0003] The air source for the blow dryer comes from compressed air in the pump room's pipeline, which has a high air pressure (the required airflow is adjusted by the opening and closing of a valve in front of the device). Because the compressed air is at a high pressure and is blown out through a very small annular gap, the blow dryer produces an extremely harsh noise when in operation. To achieve the desired drying effect, a small wire diameter and low air consumption result in relatively low noise. However, a larger cable outer diameter requires a larger air volume, which significantly increases noise.

[0004] Since noise can have an extremely adverse effect on the health of workers and the working environment, there is an urgent need for a blow dryer that can reduce wind noise to weaken the sound generated when drying optical cables or electrical cables. Utility Model Content

[0005] The purpose of the present utility model is to provide a blow dryer capable of reducing wind noise, so as to solve the problems raised in the above background technology.

[0006] The technical solutions adopted in this utility model are as follows:

[0007] A blow dryer capable of reducing wind noise includes an air compressor 101 and a blow dryer barrel 104. The air compressor 101 and the blow dryer barrel 104 are connected via a connecting pipe 102 and a vertical pipe 103. A protective outer barrel 202 is connected to the blow dryer barrel 104 on both sides via a connector 201. An inner barrel 204 is coaxially disposed within the protective outer barrel 202. A plurality of annular inner spacers 203 are evenly spaced between the inner barrel 204 and the protective outer barrel 202. A plurality of first silencer grooves 206 are evenly spaced and extend through the annular inner spacers 203. The projections of the first silencer grooves on adjacent inner spacers 203 on the vertical plane of the inner barrel 204 do not overlap and are rotated 10 degrees.

[0008] A plurality of second silencer grooves 207 are formed through the upper portion of the inner shell 204 .

[0009] The connecting piece 201 is a circular tube structure, one end of which is sleeved on the drying barrel 104 and the other end is sleeved on the protective outer shell 202 . A sealing gasket 214 is clamped between the internal drying barrel 104 of the connecting piece 201 and the protective outer shell 202 .

[0010] The protective outer shell 202 is sleeved with a fixing ring 205 , the bottom of the fixing ring 205 is fixedly connected to a bracket 208 , and the vertical pipe 103 is fixed on the bracket 208 .

[0011] The bracket 208 is in an “L” shape. The brackets 208 on the two protective outer shells 202 are connected together by fixing blocks and bolts, and a through hole for fixing the vertical pipe 103 is formed at the connection.

[0012] One end of the vertical pipe 103 is connected to the drying barrel 104 , and the other end is connected to the air outlet of the air compressor 101 through the connecting pipe 102 .

[0013] The connecting piece 201, protective outer shell 202, inner spacer 203 and inner shell 204 are all formed by bonding sound-absorbing aluminum alloy 210, heat-insulating cotton 211, shock-absorbing pad 212 and sound-absorbing material 213 in sequence from the outside to the inside.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0015] The utility model is provided with a noise reduction mechanism consisting of a connecting piece, a protective outer shell, an inner spacer and an inner shell, and the drying cylinder and the protective outer shell are tightly connected by a sealing gasket provided in the connecting piece. A part of the airflow passes through the first silencer groove provided on the inner spacer, and the other part of the airflow passes through the inside of the inner shell. The adjacent inner spacers rotate 10° to change the distance and direction of the airflow. The airflow inside the inner shell will be disturbed by the airflow transmitted from the second silencer groove when passing through, so that the direction of the airflow is offset, and the airflow speed is slowed down by the friction force and the impact force generated by the airflow. The sound generated when the airflow passes through can be weakened by the sound-absorbing material. The heat generated when the airflow friction is blocked by the heat insulation cotton, and the vibration generated when the airflow contacts the object, is reduced by the shock-absorbing pad to reduce the vibration of the airflow on the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a structural diagram of the utility model with the drying tube and a protective outer shell removed;

[0018] Figure 3 for Figure 2 A local enlarged view at point A;

[0019] Figure 4 for Figure 2 A partial enlarged view at point B;

[0020] Figure 5 This is a schematic diagram of the internal structure of the materials used for the connecting piece, protective outer shell, inner spacer and inner shell in the utility model;

[0021] As shown in the figure: 101, air compressor; 102, connecting pipe; 103, vertical pipe; 104, blow dryer; 201, connecting part; 202, protective outer shell; 203, inner spacer; 204, inner shell; 205, fixing ring; 206, first silencer groove; 207, second silencer groove; 208, bracket; 209, fixing block; 210, sound-absorbing aluminum alloy; 211, heat insulation cotton; 212, shock-absorbing pad; 213, sound-absorbing material; 214, sealing pad. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] Example 1

[0026] like Figure 1-5This embodiment provides a hair dryer capable of reducing wind noise, comprising an air compressor 101 and a drying barrel 104. The air compressor 101 and the drying barrel 104 are connected via a connecting pipe 102 and a vertical pipe 103. A protective outer barrel 202 is connected to the drying barrel 104 on both sides via connectors 201. An inner barrel 204 is coaxially disposed within the protective outer barrel 202. A plurality of annular inner spacers 203 are evenly spaced between the inner barrel 204 and the protective outer barrel 202. A plurality of first silencer grooves 206 are formed through the annular inner spacers 203 at even intervals. The projections of the first silencer grooves on adjacent inner spacers 203 on the vertical plane of the inner barrel 204 do not overlap and are rotated 10° apart. That is, the subsequent inner spacer 203 is rotated 10° in the same direction around the inner barrel 204 relative to the previous inner spacer 203.

[0027] A noise reduction mechanism is formed by the connecting piece 201 , the protective outer shell 202 , the inner spacer 203 , the inner shell 204 , the first silencer groove 206 and the second silencer groove 207 .

[0028] When using the present invention, air is compressed by an air compressor 101, then passed through a connecting pipe 102 into a vertical pipe 103, and then blown out through a blower barrel 104, drying the moisture on the outer surface of the optical or electrical cable after it has cooled in the water tank. During operation, the blower dryer uses noise reduction mechanisms 2 on both sides of the blower barrel 104 to reduce the noise generated during drying.

[0029] A plurality of second silencer grooves 207 are formed through the upper portion of the inner shell 204 .

[0030] The connecting piece 201 is a circular tube structure, one end of which is sleeved on the drying barrel 104 and the other end is sleeved on the protective outer shell 202 . A sealing gasket 214 is clamped between the internal drying barrel 104 of the connecting piece 201 and the protective outer shell 202 .

[0031] The protective outer shell 202 is sleeved with a fixing ring 205 , the bottom of the fixing ring 205 is fixedly connected to a bracket 208 , and the vertical pipe 103 is fixed on the bracket 208 .

[0032] The bracket 208 is in an “L” shape. The brackets 208 on the two protective outer shells 202 are connected together by fixing blocks and bolts, and a through hole for fixing the vertical pipe 103 is formed at the connection.

[0033] One end of the vertical pipe 103 is connected to the drying barrel 104 , and the other end is connected to the air outlet of the air compressor 101 through the connecting pipe 102 .

[0034] The connector 201, protective outer shell 202, inner spacer 203, and inner shell 204 are all formed, from the outside inward, by bonding together sound-absorbing aluminum alloy 210, thermal insulation 211, shock-absorbing pads 212, and sound-absorbing material 213. When air flows through the connector 201, protective outer shell 202, inner spacer 203, and inner shell 204, the sound generated is attenuated by the sound-absorbing material 213. The heat generated by friction is blocked by the thermal insulation 211. Since vibrations are generated when airflow contacts objects, the shock-absorbing pads 212 reduce the vibrations caused by the airflow on the utility model. This reduces the risk of damage to the utility model while also improving its practicality.

[0035] The working principle of the present invention is as follows: when the blow dryer is in use, the air is compressed by the air compressor 101, and then the air enters the vertical pipe 103 through the connecting pipe 102, and is blown out through the drying barrel 104, so that the moisture on the outer surface of the optical cable or electrical cable is dried after it is cooled in the water tank. The sealing gasket 214 provided in the connecting piece 201 makes the drying cylinder 104 and the protective outer shell cylinder 202 tightly connected. Part of the airflow passes through the first silencer groove 206 opened on the inner spacer 203, and the other part of the airflow passes through the inside of the inner shell cylinder 204. The adjacent inner spacers 203 are rotated 10°, so that the corresponding first silencer groove 206 will also be offset by 10°, so that the distance the airflow flows through becomes longer and the airflow direction will also be changed. The airflow inside the inner shell cylinder 204 will be disturbed by the airflow transmitted from the second silencer groove 207 when passing through, so that the airflow direction is offset. The airflow speed is slowed down by the friction and the impact force generated by the airflow, thereby achieving the purpose of weakening the airflow. When the airflow passes through the connecting piece 201, the protective outer shell cylinder 202, the inner spacer 203 and the inner shell cylinder 204, the sound generated can be weakened by the sound-absorbing material 213. The heat generated by the friction of the airflow is blocked by the heat insulating cotton 211. Since the airflow will vibrate when it contacts the object, the vibration caused by the airflow to the present utility model is reduced by the shock-absorbing pad 212. Thus, the noise reduction mechanism reduces the noise of the drying airflow, thereby reducing the risk of damage to the utility model and improving the practicality of the utility model.

Claims

1. A blow dryer capable of reducing wind noise, comprising an air compressor (101) and a blow dryer cylinder (104), characterized in that: The air compressor (101) is connected to the blow-drying cylinder (104) through a connecting pipe (102) and a vertical pipe (103); both sides of the blow-drying cylinder (104) are connected to a protective outer shell cylinder (202) through a connecting piece (201); an inner shell cylinder (204) is coaxially arranged inside the protective outer shell cylinder (202); a plurality of annular inner spacers (203) are arranged at equal intervals between the inner shell cylinder (204) and the protective outer shell cylinder (202); and a plurality of first silencer grooves (206) are opened and penetrated at equal intervals on the upper surface of the annular inner spacer (203).

2. The blow dryer capable of reducing wind noise according to claim 1, characterized in that: A plurality of second silencer grooves (207) are formed through the upper portion of the inner shell (204).

3. The blow dryer capable of reducing wind noise according to claim 1, characterized in that: The connecting piece (201) is a circular tube structure, one end of which is sleeved on the drying cylinder (104) and the other end of which is sleeved on the protective outer shell (202). A sealing gasket (214) is clamped between the internal drying cylinder (104) of the connecting piece (201) and the protective outer shell (202).

4. The blow dryer capable of reducing wind noise according to claim 1, characterized in that: A fixing ring (205) is sleeved on the protective outer shell cylinder (202), a bracket (208) is fixedly connected to the bottom of the fixing ring (205), and the vertical pipe (103) is fixed on the bracket (208).

5. The blow dryer capable of reducing wind noise according to claim 4, characterized in that: The bracket (208) is L-shaped. The brackets (208) on the two protective outer shells (202) are connected together through fixing blocks and bolts, and a through hole for fixing the vertical pipe (103) is formed at the connection.

6. The blow dryer capable of reducing wind noise according to claim 1, characterized in that: One end of the vertical pipe (103) is connected to the drying cylinder (104), and the other end is connected to the air outlet of the air compressor (101) through the connecting pipe (102).

7. The blow dryer capable of reducing wind noise according to claim 1, characterized in that: The connecting piece (201), the protective outer shell (202), the inner spacer (203) and the inner shell (204) are all formed by bonding sound-absorbing aluminum alloy (210), heat-insulating cotton (211), shock-absorbing pads (212) and sound-absorbing materials (213) in sequence from the outside to the inside.

8. The blow dryer capable of reducing wind noise according to claim 1, characterized in that: The projections of the first silencer grooves on two adjacent inner spacers (203) on the vertical plane of the inner shell (204) do not overlap and are rotated and misaligned by 10 degrees.

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