Search

CN-121973685-A - Air supply unit for vehicle and automobile seat

CN121973685ACN 121973685 ACN121973685 ACN 121973685ACN-121973685-A

Abstract

The invention belongs to the field of automobiles, in particular relates to an air supply unit for a vehicle and an automobile seat, and aims to solve the problems that air leakage and unstable installation are easy to occur in split installation of an existing air tank and an air pump. The air supply unit for the vehicle comprises an air storage component, an air pump component, a connection component and a locking sleeve, wherein the air storage component comprises a flexible air storage piece and is used for storing air, the air pump component is inserted into the flexible air storage piece and is integrally and hermetically connected with the flexible air storage piece, one end of the connection component is inserted into the flexible air storage piece and is integrally and hermetically connected with the flexible air storage piece, the other end of the connection component is used for outputting compressed air, and the locking sleeve is sleeved on the flexible air storage piece and is tightly matched and connected with the flexible air storage piece. The air supply unit for the vehicle provided by the invention adopts the integrated sealing connection structure that the air pump and the flexible air storage piece are directly connected, so that the sealing performance is enhanced, the connection reliability is improved through the locking sleeve, and the problems of insufficient sealing reliability and low installation and positioning precision in the traditional connection mode are solved.

Inventors

  • XU WEIHANG
  • ZHANG HAITAO

Assignees

  • 安闻科技集团股份有限公司

Dates

Publication Date
20260505
Application Date
20260310

Claims (10)

  1. 1. An air supply unit for a vehicle, characterized by comprising: A gas storage assembly (100) comprising a flexible gas storage member (110), the flexible gas storage member (110) being configured to be freely coiled in a vehicle seat; The air pump assembly (200) is inserted into the flexible air storage piece (110) and is integrally and hermetically connected with the flexible air storage piece (110), and an air outlet channel (201) of the air pump assembly (200) is communicated with the inner cavity of the flexible air storage piece (110) and is used for pumping compressed air into the inner cavity of the flexible air storage piece (110); The connecting assembly (300), one end of the connecting assembly (300) is inserted into the flexible gas storage piece (110) and is integrally and hermetically connected with the flexible gas storage piece (110), and the other end of the connecting assembly is used for outputting compressed gas; The locking sleeve (400) is sleeved on the flexible gas storage piece (110) and is in tight fit connection with the flexible gas storage piece (110), and is used for tightly attaching the flexible gas storage piece (110) to the air pump assembly (200) and the flexible gas storage piece (110) to the connection assembly (300).
  2. 2. The air supply unit for a vehicle according to claim 1, characterized in that the locking sleeve (400) comprises a taper hole section (410) and a threaded hole section (420), the flexible air reservoir (110) being provided with respective taper sections (111) and threaded sections (112); The taper hole section (410) is sleeved on the taper section (111) to form extrusion, and the threaded hole section (420) is screwed with the threaded section (112) to form threaded connection.
  3. 3. The air supply unit for a vehicle according to claim 2, wherein the flexible air storage member (110) is integrally and hermetically connected with the air pump assembly (200) and the docking assembly (300) by hot press molding; The outer wall of the air pump assembly (200) and the connecting assembly (300) is provided with at least one annular sealing groove, and annular sealing bulges corresponding to the annular sealing grooves are formed on the inner wall of the flexible air storage piece (110) after hot press molding.
  4. 4. An air supply unit for a vehicle according to claim 1, characterized in that, The flexible gas storage piece (110) is configured into a tubular gas storage structure, or the flexible gas storage piece (110) is configured into a plurality of tubular gas storage structures which are connected in series and/or in parallel.
  5. 5. An air supply unit for a vehicle according to claim 1, characterized in that, The flexible gas storage piece (110) is configured as a soft toothed pipe, a plurality of connecting ribs which are integrally formed along the length direction of the flexible toothed pipe are arranged on the peripheral wall of the soft toothed pipe, or the connecting ribs are circumferentially distributed along the peripheral wall of the soft toothed pipe, The flexible gas storage piece (110) is configured as a cloth-sandwiched rubber plastic pipe, one end of the flexible gas storage piece is integrally connected with the air pump assembly (200), and the other end of the flexible gas storage piece is communicated with the connection assembly (300), or, The flexible gas storage piece (110) is configured as a flexible corrugated pipe, one end of the flexible gas storage piece is integrally connected with the gas pump assembly (200), and the other end of the flexible gas storage piece is communicated with the connection assembly (300), or, The flexible gas storage piece (110) is configured into a cylinder structure, one end of the flexible gas storage piece is sleeved with the air pump assembly (200) and in interference fit with the air pump assembly (200), and the other end of the flexible gas storage piece is communicated with the connection assembly (300).
  6. 6. The air supply unit for a vehicle according to claim 1, wherein the air storage assembly (100) further includes a support sleeve that is sleeved on the flexible air storage member (110) for restricting deformation of the flexible air storage member (110).
  7. 7. The air supply unit for a vehicle of claim 6, wherein the support sleeve is connected to or is part of the framework of the vehicle seat.
  8. 8. The air supply unit for a vehicle according to claim 6, wherein the air storage assembly (100) further includes a sealing sleeve that is sleeved to the flexible air storage member (110) and is inserted into the support sleeve so as to seal a gap between the flexible air storage member (110) and the support sleeve; At least two sealing sleeves are arranged on the flexible gas storage piece (110), so that a sealing space is formed by enclosing the sealing sleeves and the support sleeve.
  9. 9. An air supply unit for a vehicle according to claim 1, characterized in that, The air pump assembly comprises a pressure control mechanism, and the pressure control mechanism comprises a detection piece (211); The detection piece (211) can be pushed by the gas in the flexible gas storage piece (110) along a first direction and has a movement trend opposite to the first direction, so that the detection piece can reciprocate under the action of the change of the gas pressure of the flexible gas storage piece (110); A trigger point is arranged on the reciprocating path of the detection piece (211), and when the detection piece (211) reaches the trigger point, the air pump assembly (200) is switched between a starting state and a stopping state.
  10. 10. An automobile seat comprising an air supply unit for a vehicle according to any one of claims 1 to 9, the automobile seat comprising a seat cushion and a backrest, the seat cushion and the backrest being respectively provided with the air storage assembly (100), a plurality of the air storage assemblies (100) being connected in series and/or in parallel.

Description

Air supply unit for vehicle and automobile seat Technical Field The invention belongs to the field of automobiles, and particularly relates to an air supply unit for a vehicle and an automobile seat. Background In an automobile seat pneumatic system, the air tank is a core energy storage and pressure stabilizing component, so that the energy saving and noise reduction effects can be achieved by reducing the starting and stopping frequency of the air pump, the service life of the air pump can be prolonged, the response rate of the system can be obviously improved, and the key guarantee effect is played on the overall performance of the pneumatic system. The structural design, material selection and installation mode of the air tank directly determine the running stability and reliability of the pneumatic system. At present, the gas pitcher adopts split type installation design with the air pump generally, realizes the pipe connection through inserting the intubate soon between the two. The connecting mode has the inherent defects of insufficient sealing reliability and low installation and positioning precision, and is easy to cause air leakage faults under the working conditions of vibration, pipeline pulling and the like generated by vehicle running. Meanwhile, the mounting form also has the problems of poor mounting firmness and low assembly efficiency, and the defects act together, so that the long-term stable operation of the pneumatic system is seriously restricted, and the design requirements of the pneumatic system of the automobile seat on the reliability and the assembly economy cannot be met. Disclosure of Invention In order to solve the problems in the prior art, namely the problems that the existing air tank and the air pump are in split type installation and are easy to leak air and are not firm in installation, the invention provides an air supply unit for a vehicle and an automobile seat. In order to solve the technical problems, the technical scheme provided by the invention is as follows: an air supply unit for a vehicle, comprising: The gas storage assembly comprises a flexible gas storage piece, wherein the flexible gas storage piece is used for storing gas and is configured to be freely coiled in a vehicle seat; The air pump assembly is inserted into the flexible air storage piece and is integrally and hermetically connected with the flexible air storage piece, and an air outlet channel of the air pump assembly is communicated with the inner cavity of the flexible air storage piece and is used for pumping compressed air into the inner cavity of the flexible air storage piece; the connecting assembly is inserted into the flexible gas storage piece at one end and is integrally and hermetically connected with the flexible gas storage piece, and the other end of the connecting assembly is used for outputting compressed gas; The locking sleeve is sleeved on the flexible gas storage piece and is in tight fit connection with the flexible gas storage piece, and is used for enabling the flexible gas storage piece to be tightly attached to the air pump assembly and the flexible gas storage piece to be tightly attached to the connecting assembly. Further, the locking sleeve comprises a taper hole section and a threaded hole section, and the flexible gas storage piece is provided with a corresponding taper section and a thread section; the taper hole section is sleeved on the taper section to form extrusion, and the threaded hole section is screwed with the threaded section to form threaded connection. Further, the flexible gas storage piece is integrally and hermetically connected with the air pump assembly and the connection assembly in a hot press molding mode; the air pump assembly and the outer wall of the connecting assembly are provided with at least one annular sealing groove, and annular sealing bulges corresponding to the annular sealing grooves are formed on the inner wall of the flexible air storage piece after hot press molding. Further, the flexible gas storage piece is configured into a tubular gas storage structure, or the flexible gas storage piece is configured into a plurality of tubular gas storage structures which are connected in series and/or in parallel. Further, the flexible gas storage part is configured as a soft toothed pipe, a plurality of connecting ribs which are integrally formed along the length direction of the flexible toothed pipe are arranged on the peripheral wall of the soft toothed pipe, or the connecting ribs are circumferentially distributed along the peripheral wall of the soft toothed pipe, The flexible gas storage piece is configured as a cloth-sandwiched rubber plastic pipe, one end of the flexible gas storage piece is integrally connected with the air pump component, and the other end of the flexible gas storage piece is communicated with the connection component, or, The flexible gas storage piece is configured as a flexible corrugated pipe, one end of