CN211975708U - Sucking disc part on automobile air conditioner compressor - Google Patents

Abstract

The utility model provides an upper sucker component of an automobile air conditioner compressor, which structurally comprises a sucker, rubber packing, an inner ring, a hub, a rivet and an outer ring; the inner ring is nested inside the outer ring, and the outer ring and the inner ring are tightly connected together through elastic packing; the hub is fixed at the center of the inner ring through a rivet, the sucker is arranged at the outer side of the hub, the lower part of the edge of the sucker protrudes outwards to form a riveting functional part, and the riveting functional part is inserted into the hole at the edge of the outer ring and is fixed. The utility model discloses cancelled among the traditional sucking disc part packing ring and rivet structure between sucking disc and the outer ring circle, reduced the assembly part kind, simplified installation procedure, stopped the risk that neglected loading part probably brought, practiced thrift part manufacturing cost simultaneously.

Description

Sucking disc part on automobile air conditioner compressor

Technical Field

The utility model relates to a last sucking disc part of vehicle air conditioner compressor belongs to vehicle air conditioner compressor annex technical field.

Background

The suction cup component is one of the important components of the variable displacement compressor of the automobile air conditioner, the driving force of the compressor is from an automobile engine, and the suction cup component is used as a torque transmission component of the compressor and used for transmitting the power by connecting a compressor belt pulley and a compressor main shaft together. When the automobile normally runs, the engine transmits the rotating torque to the belt pulley through the belt, when the air conditioning system stops working, the sucking disc cannot rotate along with the belt pulley due to a certain gap between the sucking disc and the belt pulley, the power of the automobile engine cannot be transmitted to the compressor, and the compressor is in a non-working state; when the air conditioning system needs to work, the control system enables the electromagnetic coil inside the belt pulley to generate a magnetic field through current, the electromagnetic force attracts the sucker component to the belt pulley, the belt pulley drives the sucker to rotate together, and the sucker transmits rotating torque to the compressor spindle, so that the automobile air conditioning compressor starts to work.

The structure of the existing sucking disc part is shown in figure 2, and comprises a sucking disc 1, a rubber filler 2, an inner ring 3, a hub 4, a rivet (A) 5, an outer ring 6, a rivet (B) 7 and a gasket 8; wherein the connection of sucking disc 1 and outer ring 3 has set up a moment of torsion transmission position, is riveted through rivet (B) 7 by 2 by compressing tightly the piece (sucking disc 1, outer ring 6) and 3 packing rings 8 and forms, and during actual operation, the sucking disc part is fixed on the main shaft through the nut for the wheel hub to transmit the moment of torsion through the spline. The above structure has drawbacks in that: the structure of the sucking disc and the structure of the outer ring are too loose, the sucking disc and the outer ring are required to be riveted together through the gasket and the rivets, the assembly process is complex, and because the product has 3 rivets and 3 gaskets, the defect that the gasket or the rivet is easily neglected to be installed by an operator during the assembly of the product is easily caused, so that the automobile air-conditioning compressor cannot normally operate, and even the normal running of an automobile is influenced in severe cases; even if automatic equipment is adopted for assembly, the grabbing and placing actions of the manipulator are complex and errors are easy to occur due to the fact that rivets and gaskets are small; in addition, in the actual work, the phenomenon that the assembly of the rivet or the gasket cannot be carried out or the assembled product is scrapped due to the type error also occurs.

Disclosure of Invention

The utility model aims to provide a novel last sucking disc part of vehicle air conditioner compressor to the above-mentioned defect that current vehicle air conditioner compressor sucking disc part structure exists.

The technical solution of the utility model is as follows: an upper sucker component of an automobile air conditioner compressor structurally comprises a sucker, rubber packing, an inner ring, a hub, rivets and an outer ring; the inner ring is nested inside the outer ring, and the outer ring and the inner ring are tightly connected together through rubber packing; the hub is fixed at the center of the inner ring through a rivet, the sucker is arranged on the outer side of the hub, the lower part of the edge of the sucker protrudes outwards to form a riveting functional part, and the riveting functional part is inserted into a hole at the edge of the outer ring and is fixed through riveting during assembly. The riveting functional part comprises a gasket part and a cylindrical rivet, wherein the gasket part is of a circular boss structure, and the cylindrical rivet is a cylindrical protrusion arranged in the center of the gasket part; the diameter of the gasket part is larger than that of the cylindrical rivet and is the same as that of the original gasket, and the thickness of the gasket part is approximately equal to the width of a gap between the sucker and the outer ring.

The utility model has the advantages that: the gasket and the rivet are directly designed into a whole with the sucker, and a protruding part with a boss and a column is formed on the mounting surface of the sucker through cold extrusion or cold heading processing, so that the gasket and rivet structure between the sucker and an outer ring in the original traditional sucker component is replaced; the structure not only reduces the types of assembly parts, but also saves the manufacturing cost of the parts; more importantly, the installation procedure is simplified, and the product quality risk possibly brought by neglected rivet and gasket installation is avoided; because the rivet, the gasket and the sucker are integrated, the problem that the type of the rivet is not aligned with that of the gasket during assembly is thoroughly solved. And is easier to realize automatic assembly.

Drawings

Fig. 1 is a schematic structural diagram of a suction cup component on the automobile air conditioner compressor of the present invention.

Fig. 2 is a schematic structural view of a conventional suction cup member.

Fig. 3 is an enlarged view of the structure of the riveting functional portion.

Fig. 4 is a schematic view of the suction cup member coupled to the compressor.

In the figure, 1 is a sucking disc, 2 is rubber filler, 3 is an inner ring, 4 is a hub, 5 is a rivet, 6 is an outer ring, and 9 is a riveting functional part.

Detailed Description

The technical solution of the present invention is further explained below according to the embodiment.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the upper sucker component of the automobile air-conditioning compressor structurally comprises a sucker 1, rubber packing 2, an inner ring 3, a hub 4, a rivet 5 and an outer ring 6; the inner ring 3 is nested inside the outer ring 6, the outer ring 6 and the inner ring 3 are tightly connected together through the rubber packing 2, and the rubber packing 2 plays a role in transmitting power and absorbing and buffering; the hub 4 is fixed at the center of the inner ring 3 through a rivet 5, and the sucker 1 is arranged on the outer side of the hub 4; the lower part of the edge of the sucking disc 1 protrudes outwards to form a riveting functional part 9, and the riveting functional part 9 is inserted into a hole at the edge of the outer ring 6 and fixed. The protruding part of the sucker 1 and the sucker 1 are integrated, and after the riveting functional part 9 of the columnar protrusion is inserted into a hole at the edge of the outer ring, pressure needs to be applied to the top of the protruding part for riveting, so that the diameter of the protruding part expands to achieve the effect 6 of fixing the sucker 1 and the outer ring.

As shown in fig. 3, the riveting functional portion 9 includes a washer portion and a cylindrical rivet, and the washer portion is directly formed by upsetting and extruding the washer portion during the punching process of the suction cup, wherein the washer portion is a boss structure, the cylindrical rivet is a cylindrical protrusion arranged at the center of the washer portion, the diameter of the washer portion is slightly larger than that of the cylindrical rivet, and the thickness of the washer portion is approximately equal to the thickness of the gap between the suction cup 1 and the outer ring 6.

As shown in fig. 4, in actual use, the suction cup component is fixed on the compressor main shaft through a nut, and a certain gap is formed between the suction cup component and the left side surface of the compressor belt pulley; when the compressor needs to normally operate, the power of the engine transmits the torque to the belt pulley through the belt, the electromagnetic coil on the belt pulley generates electromagnetic suction to suck the sucker part of the sucker component and the belt pulley together, and the hub of the sucker component transmits the power to the main shaft of the compressor, so that the compressor normally operates.

When the electromagnetic coil of the compressor is electrified, electromagnetic suction force is generated to suck the sucker 1 to the left end face of the belt pulley, at the moment, the sucker 1 overcomes the elasticity of the rubber packing 2 and is attached to the left end face of the belt pulley, the sucker 1 and the belt pulley rotate synchronously, the sucker 1 transmits the rotation torque to the outer ring 6 through the riveting functional part 9, the outer ring 6 transmits the torque to the inner ring 3 through the rubber packing 2, and then the torque is transmitted to the hub 4 riveted together through the inner ring 3, and finally the rotation torque is transmitted to the compressor main shaft through the hub 4 (fixed on the compressor main shaft through a nut), so that the compressor starts to work. Otherwise; when the electromagnetic coil of the compressor is powered off, the electromagnetic suction force disappears, the sucker 1 is pulled back to the original position by the elastic force of the rubber packing 2, the sucker 1 is separated from the left end face of the belt pulley, the torque transmission path of the compressor is disconnected, and the compressor stops working.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (4)

1. An upper sucker component of an automobile air conditioner compressor structurally comprises a sucker (1), rubber packing (2), an inner ring (3), a hub (4), rivets (5) and an outer ring (6); the inner ring (3) is nested inside the outer ring (6), and the outer ring (6) and the inner ring (3) are tightly connected together through the rubber packing (2); wheel hub (4) are fixed in the center of inner circle ring (3) through rivet (5), and sucking disc (1) is installed in the outside of wheel hub (4), its characterized in that: the lower part of the edge of the sucker (1) protrudes outwards to form a riveting functional part (9), and the riveting functional part (9) is inserted into a hole in the edge of the outer ring (6) and fixed.

2. The upper suction cup component of the air conditioner compressor of the automobile as claimed in claim 1, wherein the riveting function portion (9) comprises a gasket portion and a cylindrical rivet, wherein the gasket portion is a circular boss structure, and the cylindrical rivet is a cylindrical protrusion arranged at the center of the gasket portion.

3. The upper suction cup component of air conditioner compressor for car as claimed in claim 2, wherein the diameter of said washer portion is slightly larger than the diameter of said cylindrical rivet.

4. The suction cup assembly of air conditioner compressor for vehicle as claimed in claim 2, wherein the thickness of the gasket portion is approximately equal to the thickness of the gap between the suction cup (1) and the outer ring (6).

Images