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CN-224229493-U - High-temperature-resistant flange for automobile air conditioning system

CN224229493UCN 224229493 UCN224229493 UCN 224229493UCN-224229493-U

Abstract

The utility model discloses a high-temperature-resistant flange for an automobile air conditioning system, which comprises a cylinder body, wherein the outer walls of the upper end and the lower end of the cylinder body are fixedly provided with flange bodies, the outer surfaces of the upper end of the flange bodies are provided with mounting holes, the mounting holes penetrate through the outer surfaces of the lower end of the flange bodies, the inner wall of the cylinder body is fixedly provided with a heat insulation layer, one end, far away from the cylinder body, of the flange bodies is provided with a pre-tightening structure, the pre-tightening structure comprises an annular mounting groove, a movable ring and a spiral spring, and the annular mounting groove is formed in the outer surface of one end, far away from the cylinder body, of the flange bodies. According to the high-temperature-resistant flange for the automobile air conditioning system, the ceramic fiber material is adopted by the arranged heat insulation layer, so that the high-temperature-resistant flange has good heat insulation, and the continuous pretightening force is provided for the bolt after threaded connection through the arranged pretightening structure, so that looseness caused by high-temperature deformation is avoided.

Inventors

  • SONG JUN
  • LIU JIANGPING
  • ZHANG JIALI
  • YU BOWEN

Assignees

  • 新昌县永强空调配件有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (6)

  1. 1. The high-temperature-resistant flange for the automobile air conditioning system comprises a barrel body (1) and is characterized in that flange plate bodies (2) are fixedly arranged on the outer walls of the upper end and the lower end of the barrel body (1), mounting holes (4) are formed in the outer surfaces of the upper ends of the flange plate bodies (2), the mounting holes (4) penetrate through the outer surfaces of the lower ends of the flange plate bodies (2), a heat insulation layer (3) is fixedly arranged on the inner wall of the barrel body (1), a pre-tightening structure (5) is arranged at one end, far away from the barrel body (1), of the flange plate bodies (2), the pre-tightening structure (5) comprises annular mounting grooves (6), movable rings (7) and spiral springs (8), and the annular mounting grooves (6) are formed in the outer surfaces of one ends, far away from the barrel body (1), of the flange plate bodies (2).
  2. 2. The high-temperature-resistant flange for an automobile air conditioning system according to claim 1, wherein the spiral spring (8) is located in the annular mounting groove (6), the outer surface of the lower end of the spiral spring (8) is fixedly connected with the bottom of the annular mounting groove (6), and the outer surface of the upper end of the spiral spring (8) is fixedly connected with the outer surface of the lower end of the movable ring (7).
  3. 3. The high-temperature resistant flange for the automobile air conditioning system according to claim 2, wherein the outer wall of the movable ring (7) is in sliding connection with the annular mounting groove (6), and the outer surface of the lower end of the movable ring (7) is elastically connected with the bottom of the annular mounting groove (6) through a spiral spring (8).
  4. 4. A high temperature resistant flange for an automotive air conditioning system according to claim 3, characterized in that the insulating layer (3) is made of ceramic fiber material.
  5. 5. A high temperature resistant flange for an automotive air conditioning system as set forth in claim 4, wherein said coil spring (8) is a nickel-based alloy spring.
  6. 6. The high-temperature-resistant flange for an automobile air conditioning system according to claim 5, wherein the heat insulating layer (3) is adhered to the inner wall of the cylinder (1) by a high-temperature adhesive, and the high-temperature adhesive is an inorganic silicate adhesive.

Description

High-temperature-resistant flange for automobile air conditioning system Technical Field The utility model relates to the technical field of automobile air conditioning system accessories, in particular to a high-temperature-resistant flange for an automobile air conditioning system. Background The flange in the automobile air conditioning system is used as a connecting part, and the performance of the flange directly influences the tightness and stability of the system when the flange works for a long time in a high-temperature environment. However, the prior art automotive air conditioning system flange has the following significant drawbacks: 1. The traditional flange is made of metal, and the effective heat insulation design is lacking, so that heat is easy to transfer to a connecting part in a high-temperature environment, the efficiency of an air conditioning system is influenced, the ageing of a sealing material is possibly accelerated, and the leakage risk is caused; 2. The high temperature deformation causes loosening, namely under the high temperature working condition, the flange and the connecting bolt are easy to be subjected to thermal expansion deformation, the pretightening force is gradually attenuated, the threaded connection is loosened, the sealing effect is further affected, and even the system is in fault. Therefore, we propose a high temperature resistant flange for an automotive air conditioning system. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides the high-temperature-resistant flange for the automobile air conditioning system, which has the advantages of high temperature resistance and the like through the design of the heat insulation layer and the anti-loosening screw structure, and can effectively solve the problems in the background art. (II) technical scheme In order to achieve the aim, the high-temperature resistant flange for the automobile air conditioning system comprises a cylinder body, wherein flange bodies are fixedly arranged on the outer walls of the upper end and the lower end of the cylinder body, mounting holes are formed in the outer surfaces of the upper end of the flange bodies, the mounting holes penetrate through the outer surfaces of the lower end of the flange bodies, a heat insulation layer is fixedly arranged on the inner wall of the cylinder body, a pre-tightening structure is arranged at one end, far away from the cylinder body, of the flange bodies, the pre-tightening structure comprises an annular mounting groove, a movable ring and a spiral spring, and the annular mounting groove is formed in the outer surface of one end, far away from the cylinder body, of the flange bodies. Preferably, the spiral spring is located in the annular mounting groove, the outer surface of the lower end of the spiral spring is fixedly connected with the bottom of the annular mounting groove, and the outer surface of the upper end of the spiral spring is fixedly connected with the outer surface of the lower end of the movable ring. Preferably, the outer wall of the movable ring is in sliding connection with the annular mounting groove, and the outer surface of the lower end of the movable ring is elastically connected with the bottom of the annular mounting groove through a spiral spring. Preferably, the heat insulation layer is made of ceramic fiber materials. Preferably, the coil spring is a nickel-based alloy spring. Preferably, the heat insulation layer is adhered to the inner wall of the cylinder body through a high-temperature adhesive, the high-temperature adhesive is an inorganic silicate adhesive, the adhesive strength is high, the temperature resistance is excellent, and delamination or falling off is avoided. (III) beneficial effects Compared with the prior art, the utility model provides the high-temperature-resistant flange for the automobile air conditioning system, which has the following beneficial effects: 1. This high temperature resistant flange for automobile air conditioning system through setting up ceramic fiber insulating layer at the barrel inner wall, effectively separates high heat transfer to flange joint position, reduces the thermal deformation risk, protects sealing material simultaneously, increase of service life, and ceramic fiber material has high temperature resistant, low coefficient of heat conductivity's characteristic, is showing the stability that promotes the flange under high temperature environment. 2. This high temperature resistant flange for automobile air conditioning system through the pretension structure that sets up, provides the lasting pretightning force behind the bolted connection, avoids high temperature deformation to lead to not hard up. 3. According to the high-temperature-resistant flange for the automobile air conditioning system, the pretightening structure is elastically matched with the movable ring through the spiral spring