Silencing air inlet structure and automobile seat massage controller

Abstract

The utility model discloses a noise reduction air inlet structure and an automobile seat massage controller, and relates to the technical field of noise reduction, the noise reduction air inlet structure comprises a noise reduction pipe, the noise reduction pipe is integrally installed in a lower shell of the automobile seat massage controller, one end of the noise reduction pipe is provided with an air inlet used for being connected with an air pump, and the other end of the noise reduction pipe is provided with an opening and is provided with a plugging element. A plurality of air outlet holes used for being connected with the electromagnetic valve are formed in the side wall of the silencing pipe and are close to the air inlet. The automobile seat is low in noise and good in seat comfort.

Description

Technical Field

[0001] The utility model relates to the technical field of silencing and noise reduction, in particular to a silencing air intake structure and a car seat massage controller. Background Art

[0002] At present, people pay more and more attention to the driving comfort of cars, and driving comfort depends to a large extent on the seat. In the existing technology, in order to improve driving comfort, lumbar support and massage functions are often added to car seats. However, the traditional lumbar support massage system has the problem of loud noise during use, which affects the comfort and experience of driving a car. Utility Model Content

[0003] The purpose of the utility model is to provide a sound-absorbing air intake structure and a car seat massage controller to solve the problems existing in the above-mentioned prior art, reduce noise and improve seat comfort.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a silencer air intake structure, comprising a silencer pipe, wherein the silencer pipe is integrally installed in a lower shell of a car seat massage controller, one end of the silencer pipe is provided with an air inlet for connecting to an air pump, the other end of the silencer pipe is open and equipped with a blocking element, a plurality of air outlet holes for connecting to an electromagnetic valve are opened on the side wall of the silencer pipe, and the air outlet holes are arranged close to the air inlet.

[0006] Preferably, an air intake pipe is installed at the air inlet, and the air intake pipe is located outside the muffler.

[0007] Preferably, the silencer pipe is provided with a mounting groove at a position corresponding to the air outlet, the air outlet is provided in the mounting groove, and a connecting elbow is installed at the air outlet, the outer periphery of the air outlet is provided with a side wing buckle, the upper end of the side wing buckle is buckled and connected with an upper slot, and the connecting elbow is located between the side wing buckle and the upper slot, the lower end of the upper shell of the car seat massage controller is provided with an upper clamping plate, and the upper end of the lower shell of the car seat massage controller is provided with a lower clamping plate, the upper clamping plate and the lower clamping plate can be buckled and connected to the side wing buckle and the outer periphery of the upper slot to achieve the fixation of the connecting elbow.

[0008] Preferably, sealing rings are sleeved at both end openings of the connecting elbow, wherein the outer periphery of one of the sealing rings contacts the inner wall of the side wing buckle, and the other sealing ring is limited to one side of the upper clamping groove.

[0009] Preferably, the connecting elbow is a 90° elbow pipe formed by injection molding of EPDM rubber.

[0010] Preferably, a plurality of reinforcing ribs are installed in the silencer pipe, one end of the reinforcing rib is fixed to the inner wall of the silencer pipe, and the other end of the reinforcing rib extends toward the blocking element and abuts against the blocking element.

[0011] Preferably, the blocking element is a rubber plug, and the rubber plug is made of EPDM rubber injection molding, and a limit plate is installed on the upper shell of the car seat massage controller at a position corresponding to the rubber plug, and the limit plate is located on a side of the rubber plug away from the muffler.

[0012] Preferably, the rubber plug is provided with a plurality of circles of sealing protrusions on the side wall in contact with the inner wall of the muffler pipe.

[0013] Preferably, there are a plurality of air outlet holes, and the plurality of air outlet holes are arranged in sequence along the length direction of the muffler pipe.

[0014] The utility model also provides a car seat massage controller, comprising an upper shell, a lower shell, a solenoid valve, a circuit board and a silencer air intake structure described in any one of the above technical solutions, the solenoid valve, the circuit board and the silencer air intake structure are all installed on the lower shell, and the upper shell is snap-connected to the upper end of the lower shell, the air inlet of the silencer air intake structure is connected to an air pump located outside the lower shell, the air outlet of the silencer air intake structure is connected to the solenoid valve, and the solenoid valve is electrically connected to the circuit board.

[0015] Compared with the prior art, the utility model has achieved the following technical effects:

[0016] The utility model provides a silencer air intake structure and a car seat massage controller, in which a silencer pipe is integrally installed in the lower shell of the car seat massage controller. The integrated design can reduce the cost of parts. An air inlet for connecting to an air pump is provided at one end of the silencer pipe, and the other end of the silencer pipe is open and equipped with a blocking element. A plurality of air outlet holes for connecting to an electromagnetic valve are provided on the side wall of the silencer pipe, and the air outlet holes are arranged close to the air inlet. When the air pump introduces compressed air into the silencer pipe through the air inlet, due to the small aperture of the air outlet holes and the large inner cavity volume of the silencer pipe, the gas will diffuse along the inner cavity of the silencer pipe to the bottom of the silencer pipe until it hits the blocking element. The gas will return and merge with the gas entering through the air inlet, and then reduce the flow rate of the entering gas, thereby reducing the noise of the gas flow. Then the gas enters the electromagnetic valve through the air outlet holes, thereby realizing the lumbar support massage function of the pneumatic product, and in this process, the effects of silencer and air intake are achieved, thereby improving driving comfort and experience. Through the above design, the utility model integrates the silencer pipe into the automobile seat massage controller, which has the advantages of small overall volume, convenient installation, simple structure, good reliability and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of the silencer air intake structure provided in the first embodiment at an angle;

[0019] Figure 2 A schematic diagram of the structure of the silencer air intake structure provided in the first embodiment at another angle;

[0020] Figure 3 A schematic structural diagram of the silencer air intake structure provided in Example 1 (without the blocking element);

[0021] Figure 4 This is a schematic diagram of the structure of the connecting elbow in Example 1;

[0022] Figure 5 for Figure 4 The main view of

[0023] Figure 6 is a schematic structural diagram of a blocking element in Embodiment 1;

[0024] Figure 7 A working principle diagram of the silencer air intake structure provided in Example 1;

[0025] Figure 8 A schematic structural diagram of the sound-absorbing air intake structure (multiple air outlet holes) provided in Example 1;

[0026] Fig. 9 A schematic diagram of the internal structure of the car seat massage controller provided in Example 2;

[0027] Fig.10 A top view of the internal structure of the car seat massage controller provided in Example 2;

[0028] Fig.11 This is a schematic diagram of the installation position of the silencer air intake structure in the second embodiment;

[0029] Fig.12 It is a schematic diagram of the structure of the upper shell in the second embodiment;

[0030] In the figure: 1-silencer, 2-blocking element, 3-inlet pipe, 4-connecting elbow, 5-side buckle, 6-upper slot, 7-upper clamp, 8-outlet pipe, 9-reinforcement rib, 10-sealing ring, 11-sealing protrusion, 12-limiting plate, 13-upper shell, 14-lower shell, 15-solenoid valve, 16-circuit board, 17-air pump. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The utility model aims to provide a sound-absorbing air intake structure and a car seat massage controller to solve the problems existing in the prior art, reduce noise and improve seat comfort.

[0033] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0034] Embodiment 1

[0035] like Figure 1-Figure 8 As shown, the present embodiment provides a silencer air intake structure, including a silencer pipe 1, which is integrally installed in the lower shell 14 of the automobile seat massage controller. The integrated design can reduce the cost of parts. One end of the silencer pipe 1 is provided with an air inlet for connecting to the air pump 17, and the other end of the silencer pipe 1 is open and equipped with a blocking element 2. A plurality of air outlets for connecting to the solenoid valve 15 are provided on the side wall of the silencer pipe 1, and the air outlets are arranged close to the air inlet. When the air pump 17 introduces compressed air into the silencer pipe 1 through the air inlet, due to the small aperture of the air outlet and the large inner cavity volume of the silencer pipe 1, the gas will diffuse along the inner cavity of the silencer pipe 1 to the bottom of the silencer pipe 1 until it hits the blocking element 2. The gas will return and merge with the gas entering through the air inlet, and then reduce the flow rate of the incoming gas, thereby reducing the noise of the gas flow, and then the gas enters the solenoid valve 15 through the air outlet, thereby realizing the lumbar support massage function of the pneumatic product, and in this process, the effects of silencer and air intake are achieved, thereby improving driving comfort and experience. Through the above design, the present embodiment integrates the silencer pipe 1 into the automobile seat massage controller, which has the advantages of small overall volume, convenient installation, simple structure, good reliability and low cost.

[0036] Specifically, an air intake pipe 3 is installed at the air inlet, and the air intake pipe 3 is located outside the silencer 1. The setting of the air intake pipe 3 can facilitate the connection between the silencer 1 and the air pump 17.

[0037] The silencer 1 is provided with an installation groove at the position corresponding to the air outlet, the air outlet is provided in the installation groove, an air outlet pipe 8 is installed at the air outlet, and a connecting elbow 4 is installed at the air outlet pipe 8, and a side wing buckle 5 is provided on the periphery of the air outlet, the upper end of the side wing buckle 5 is buckled and connected with an upper slot 6, and the connecting elbow 4 is located between the side wing buckle 5 and the upper slot 6, and then the side wing buckle 5 is buckled with the upper slot 6 to limit the connecting elbow 4 to prevent the connecting elbow 4 from deflecting and affecting the ventilation into the solenoid valve 15, an upper card plate 7 is provided at the lower end of the upper shell 13 of the car seat massage controller, and a lower card plate is provided at the upper end of the lower shell 14 of the car seat massage controller, the upper card plate 7 and the lower card plate can be buckled and connected to the side wing buckle 5 and the periphery of the upper slot 6, and the connecting elbow 4 is fixed to ensure stability during use and prevent the connecting elbow 4 from falling off.

[0038] Sealing rings 10 are sleeved on the openings at both ends of the connecting elbow 4, wherein the outer periphery of one sealing ring 10 contacts the inner wall of the side wing buckle 5, and the other sealing ring 10 is limited to one side of the upper groove 6. Through the setting of the sealing ring 10, the gap between the connecting elbow 4 and the air outlet, and the gap between the connecting elbow 4 and the air inlet of the solenoid valve 15 can be blocked to prevent gas leakage. At the same time, through the cooperation between the sealing ring 10 and the side wing buckle 5, and the cooperation between the sealing ring 10 and the upper groove 6, the connecting elbow 4 can be limited.

[0039] The connecting elbow 4 is a 90° elbow pipe formed by injection molding of EPDM rubber.

[0040] A plurality of reinforcing ribs 9 are installed in the silencer pipe 1 , one end of the reinforcing rib 9 is fixed to the inner wall of the silencer pipe 1 , and the other end of the reinforcing rib 9 extends toward the blocking element 2 and abuts against the blocking element 2 so as to support the blocking element 2 through the reinforcing rib 9 .

[0041] The sealing element 2 is a rubber plug, and the rubber plug is made of EPDM rubber injection molding. A limit plate 12 is installed on the upper shell 13 of the car seat massage controller at the position corresponding to the rubber plug. The limit plate 12 is located on the side of the rubber plug away from the silencer 1, and then the rubber plug is limited by the limit plate 12 to prevent it from falling off.

[0042] The rubber plug is provided with a plurality of sealing protrusions 11 on the side wall in contact with the inner wall of the muffler pipe 1, which increases the friction between the rubber plug and the inner wall of the muffler pipe 1 and plays a sealing role at the same time, prevents air leakage and improves the overall air tightness.

[0043] There are multiple air outlet holes, and the multiple air outlet holes are arranged in sequence along the length direction of the silencer pipe 1. By changing the number of air outlet holes, the function of two-way, three-way and multi-way air intake to the solenoid valve 15 can be achieved.

[0044] Embodiment 2

[0045] like Figure 9-12 As shown, the present embodiment provides a car seat massage controller, comprising an upper shell 13, a lower shell 14, a solenoid valve 15, a circuit board 16 and the silencer air intake structure in the first embodiment, the solenoid valve 15, the circuit board 16 and the silencer air intake structure are all installed on the lower shell 14, and the upper shell 13 is snap-fittedly connected to the upper end of the lower shell 14, the air inlet of the silencer air intake structure is connected to the air pump 17 located outside the lower shell 14, the air outlet of the silencer air intake structure is connected to the solenoid valve 15, and the solenoid valve 15 is electrically connected to the circuit board 16. By setting the silencer air intake structure, noise can be reduced and comfort of use can be improved.

[0046] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A sound-absorbing air intake structure, characterized in that: It includes a silencer pipe, which is integrally installed in the lower shell of the car seat massage controller. One end of the silencer pipe is provided with an air inlet for connecting to an air pump, the other end of the silencer pipe is open and equipped with a blocking element, and a plurality of air outlet holes for connecting to a solenoid valve are opened on the side wall of the silencer pipe, and the air outlet holes are arranged close to the air inlet.

2. The sound-absorbing air intake structure according to claim 1, characterized in that: An air intake pipe is installed at the air intake port, and the air intake pipe is located outside the muffler.

3. The sound-absorbing air intake structure according to claim 1, characterized in that: The silencer pipe is provided with an installation groove at a position corresponding to the air outlet, the air outlet is provided in the installation groove, and a connecting elbow is installed at the air outlet, the outer periphery of the air outlet is provided with a side wing buckle, the upper end of the side wing buckle is buckled and connected with an upper slot, and the connecting elbow is located between the side wing buckle and the upper slot, the lower end of the upper shell of the car seat massage controller is provided with an upper clamping plate, and the upper end of the lower shell of the car seat massage controller is provided with a lower clamping plate, the upper clamping plate and the lower clamping plate can be buckled and connected to the side wing buckle and the outer periphery of the upper slot to fix the connecting elbow.

4. The sound-absorbing air intake structure according to claim 3 is characterized in that: Sealing rings are sleeved on both openings of the connecting elbow, wherein the outer periphery of one of the sealing rings contacts the inner wall of the side wing buckle, and the other sealing ring is limited to one side of the upper clamping groove.

5. The sound-absorbing air intake structure according to claim 3, characterized in that: The connecting elbow is a 90° elbow pipe formed by injection molding of EPDM rubber.

6. The sound-absorbing air intake structure according to claim 1, characterized in that: A plurality of reinforcing ribs are installed in the muffler pipe, one end of the reinforcing rib is fixed to the inner wall of the muffler pipe, and the other end of the reinforcing rib extends toward the blocking element and abuts against the blocking element.

7. The sound-absorbing air intake structure according to claim 1, characterized in that: The blocking element is a rubber plug, and the rubber plug is made of EPDM rubber by injection molding. A limit plate is installed on the upper shell of the car seat massage controller at a position corresponding to the rubber plug, and the limit plate is located on a side of the rubber plug away from the muffler.

8. The sound-absorbing air intake structure according to claim 7, characterized in that: The rubber plug is provided with a plurality of circles of sealing protrusions on the side wall in contact with the inner wall of the muffler pipe.

9. The sound-absorbing air intake structure according to claim 1, characterized in that: There are a plurality of air outlet holes, and the plurality of air outlet holes are arranged in sequence along the length direction of the muffler pipe.

10. A car seat massage controller, characterized in that: It includes an upper shell, a lower shell, a solenoid valve, a circuit board and a silencer air intake structure as described in any one of claims 1 to 9, wherein the solenoid valve, the circuit board and the silencer air intake structure are all installed on the lower shell, and the upper shell is snap-connected to the upper end of the lower shell, the air inlet of the silencer air intake structure is connected to an air pump located outside the lower shell, the air outlet of the silencer air intake structure is connected to the solenoid valve, and the solenoid valve is electrically connected to the circuit board.

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