CN102226462B

CN102226462B - Speed change direct connecting device of engine and multiple air conditioning compressors for vehicles

Info

Publication number: CN102226462B
Application number: CN 201110121300
Authority: CN
Inventors: 林飞; 高志用
Original assignee: Fuzhou Golden Flying Fish Diesel Engine Co Ltd
Current assignee: Fuzhou Golden Flying Fish Diesel Engine Co Ltd
Priority date: 2011-04-14
Filing date: 2011-05-11
Publication date: 2013-05-08
Anticipated expiration: 2031-05-11
Also published as: CN202048145U; CN102226462A

Abstract

The invention belongs to a connecting device of an engine and air conditioning compressors for vehicles, and in particular belongs to a speed change direct connecting device of an engine and multiple air conditioning compressors for vehicles. The connecting device is mainly composed of a speed change box; the speed change box is composed of a connecting cover and a speed change box body; the interior of the speed change box is provided with a driving gear and at least two driven gears, and the driving gear and the at least two driven gears are meshed; the connecting cover is provided with a fixing hole, a positioning hole and a bearing hole, wherein the fixing hole is connected with a compressor cylinder body; the positioning hole is connected with the front end of the compressor; the bearing hole is internally provided with a bearing; the bearing is connected with the head part of an engine output shaft; the speed change box is provided with a connecting hole which is connected with the side cover of the engine; the central hole of each driven gear is connected with a compressor main shaft; a cylindrical surface at the other end of each driven gear is matched with the inner hole of the bearing; the bearing is fixedly installed on the speed change box; and the central hole of the driving gear is fixedly connected with the engine output shaft. The connecting device provided by the invention has a compact structure, is convenient to install, and has the advantages of good reliability and high mechanical efficiency.

Description

The variable speed direct-connecting device of air condition compressor for a motor and many chassis

Technical field

The invention belongs to the connection set of motor and Vehicular air-conditioner compressor, especially belong to a motor and the many chassis variable speed direct-connecting device with air condition compressor .

Background technique

Existing Vehicular air-conditioner compressor is mainly to be connected with belt by belt pulley with the Placement of engine output shaft, need to be furnished with magnetic clutch and clutch coil on the Vehicular air-conditioner compressor of this Placement, the moving compressor main shaft rotation of the belt pulley end face of magnetic clutch and clutch sucker Attraction strap when clutch coil is switched on, the frequent adhesive of clutch sucker, main shaft to Vehicular air-conditioner compressor can produce axial impact force, magnetic clutch and clutch coil easily break down, it is not compact that while belt Placement exists installation, mechanical efficiency is low, the shortcomings such as the easy wearing and tearing of belt, in addition, an existing motor only is connected with air condition compressor with a chassis, can't the driving plurality Vehicular air-conditioner compressor.

Summary of the invention

The object of the invention is to overcome the not enough point that above-mentioned existing structure exists, and provides a kind of compact structure, easy for installation, mechanical efficiency is high, the variable speed direct-connecting device of a motor that can the driving plurality Vehicular air-conditioner compressor and many chassis use air condition compressor.

The technical solution adopted in the present invention is the variable speed direct-connecting device that a motor and many chassis are used air condition compressor, its main points are that it mainly consists of a gearbox, described gearbox is by connecting cover, gearbox casing forms, driving gear and at least two driven gears are equipped with in inside, driving gear and driven gear engagement, the fixed hole be connected with compressor casing is arranged on connecting cover, the positioning hole be connected with the compressor front cover, be shaped with bearing hole on connecting cover, buried bearing, bearing is connected with the head of engine output shaft, gearbox casing has the attachment hole be connected with the motor side cover, the center hole of driven gear is connected with compressor main shaft, driven gear the other end cylndrical surface coordinates with the endoporus of bearing, bearing is fixedly installed on gearbox casing, the center hole of driving gear is fixedly connected with engine output shaft.

The present invention increases a gearbox, by gear transmission, comes connecting engine and Vehicular air-conditioner compressor, compact structure, and good reliability, mechanical efficiency is high, and the structure of a plurality of driven gears has realized a purpose that motor is connected with air condition compressor with many chassis.

Further specific design is: two driven gears lay respectively at the both sides of driving gear.

Driving gear and three driven gear engagements, wherein the center hole of two driven gears is connected with compressor main shaft, and a driven gear is connected with generator rotor shaft.

Located and be bolted by setting circle between gearbox casing and connecting cover, its junction plane is lined with the connecting cover pad, with oil-leakage-prevention.

Be coated with the casing pad on the installation end face between gearbox casing and motor side cover, with oil-leakage-prevention.

Be processed with the gasket seal mounting hole on the positioning hole end face be connected with each Vehicular air-conditioner compressor front cover at connecting cover, gasket seal or O RunddichtringO be housed in hole, with oil-leakage-prevention.

The invention has the advantages that compact structure, easy for installation, good reliability, mechanical efficiency is high, motor is the driving plurality Vehicular air-conditioner compressor simultaneously, can realize like this substituting with the Vehicular air-conditioner compressor of many less discharge capacities the Vehicular air-conditioner compressor of a large discharge capacity, solve the direct-connected difficult problem of large displacement vehicle air condition compressor and motor, not only reduced cost, can also reduce the consumption of engine power, the rotating speed of Vehicular air-conditioner compressor can also be as required be controlled at accurately in scope with the rotating speed of motor.

The accompanying drawing explanation

Fig. 1 is the embodiment of the present invention 1 structural principle schematic diagram

Fig. 2 be Figure 1A to Local map

The structural representation that Fig. 3 is another kind of pressure release bolt

Fig. 4 is the embodiment of the present invention 2 structural principle schematic diagram

The gear engagement figure that Fig. 5 is Fig. 4

Wherein: 1 connecting cover 2 bolt 3 connecting cover pad 4 gearbox casing 5 driven gear 6 mounting hole 7 positioning hole 8 positioning key 9 center hole 10 nut 11 bearing 12 casing pad 13 motor side cover 14 engine output shaft 15 driving gear 16 attachment hole 17 fixed hole 18 bolts

19 compressor casing 20 positioning hole end face 21 gasket seals or O RunddichtringO 22 compressor main shaft 23 compressor front cover 24 bearing hole 25 bearing 27 back-up ring 28 setting circle 29 cotter pin 30 pressure release bolt 31 pad 32 pastas are observed plug screw 33 glass 34 oil discharge screw 35 pressure release bolt 36 positioning hole 37 oil sealing 38 driven gear 39 nut 40 generator rotor shaft 41 mounting hole 42 generators and are connected end cap 43 through hole 44 hole 45 blind holes.

Embodiment

Below in conjunction with accompanying drawing, the present invention is described in detail

Embodiment 1, as shown in Figure 1, the variable speed direct-connecting device of air condition compressor for a motor and many chassis, it mainly consists of a gearbox, described gearbox is by connecting cover 1, gearbox casing 4 forms, between gearbox casing 4 and connecting cover 1, by setting circle 28, locate, and lock with bolt 2, its junction plane is lined with connecting cover pad 3, driving gear 15 and two driven gears 5 are equipped with in inside, two driven gears 5 lay respectively at the both sides of driving gear 15, the fixed hole 17 be connected with compressor casing 19 is arranged on connecting cover 1, the positioning hole 7 be connected with compressor front cover 23, connecting cover 1 is connected with Vehicular air-conditioner compressor cylinder body 19 by fixed hole 17 and uses bolt 18 to lock, be processed with gasket seal mounting hole 6 on the positioning hole end face 20 of connecting cover 1, gasket seal or O RunddichtringO 21 are housed in hole, gasket seal 21 or O RunddichtringO coordinate the lubricant oil prevented in gearbox to spill from positioning hole 7 with compressor front cover 23.Gearbox casing 4 has the attachment hole 16 be connected with motor side cover 13, and gearbox casing 4 is installed on motor side cover 13 and, with bolt 2 lockings, is coated with casing pad 12 between both junction planes by attachment hole 16.The center hole 9 of driven gear 5 is connected with compressor main shaft 22, and positioning key 8 is arranged between the two, and driven gear 5 the other end cylndrical surface coordinate with the endoporus of bearing 11, and bearing 11 is fixedly installed on gearbox casing 4.Driving gear 15 is installed on engine output shaft 14 by center hole, back-up ring 27 is housed on engine output shaft 14 and can prevents driving gear 15 axial floats, be shaped with bearing hole 24 on connecting cover, buried bearing 25, bearing 25 is connected with the head of engine output shaft 14, driving gear 15 and two driven gear 5 engagements, transfer to respectively two Vehicular air-conditioner compressors by power by motor.

As shown in Figure 2, on gearbox casing top, pressure release bolt 30 is housed, be processed with the through hole 43 of step type at pressure release bolt 30 center, equipped cotter pin 29 in hole, by the gap between cotter pin 29 itself and it and pin-and-hole, make air pressure and the external world in gearbox casing reach balance, can realize that like this gearbox inside can communicate with atmosphere, keep normal pressure and lubricant oil in gearbox can not spill; Pasta is housed in the gearbox casing bottom and observes plug screw 32, wherein be provided with clear glass 33, within the limits prescribed whether the height that can observe lubricated pasta in gearbox by glass; In the gearbox casing bottom, oil discharge screw 34 is housed, is convenient to change the lubricant oil in gearbox.

As shown in Figure 3, pressure release bolt 35 is the another kind of structures of pressure release bolt, and the pressure release bolt head is processed with the blind hole 45 of step type, and the blind hole 45 at machining hole 44Yu center, side communicates, alternative pressure release bolt 30 and cotter pin 29.

Embodiment 2, as shown in Figure 4, Figure 5, driving gear 15 and three driven gear engagements, wherein the center hole 9 of two driven gears 5 is connected with compressor main shaft, one of them driven gear 38 is connected with generator rotor shaft 40 and uses nut 39 locking, at the head of generator rotor shaft 40, with bearing 25 endoporus, coordinates, and bearing 25 is installed on gearbox casing 4, driving gear 15 and driven gear 38 engagements, be transferred to generator by power by motor; Generator connects end cap 42 center port oil sealing 37 is housed, the endoporus of oil sealing 37 coordinates with generator rotor shaft 40 to seal and can prevent that the lubricant oil in gearbox from spilling, generator connects end cap 42 centers has setting circle to coordinate with the positioning hole 36 on connecting cover 1, on positioning hole end face 20, processing mounting holes 41, gasket seal or O RunddichtringO 21 are housed in hole and are connected end cap 42 with generator and coordinate and can prevent that the lubricant oil in gearbox from spilling from positioning hole 36, the structure of all the other two driven gears is identical with embodiment 1.

Claims

1. the variable speed direct-connecting device of air condition compressor for a motor and many chassis, it is characterized in that, it mainly consists of a gearbox, described gearbox is by connecting cover (1), gearbox casing (4) forms, driving gear (15) and at least two driven gears (5) are equipped with in inside, driving gear (15) and driven gear (5) engagement, the fixed hole (17) be connected with compressor casing is arranged on connecting cover (1), the positioning hole (7) be connected with the compressor front cover, be shaped with bearing hole (24) on connecting cover, buried bearing (25), bearing (25) is connected with the head of engine output shaft, gearbox casing (4) has the attachment hole (16) be connected with the motor side cover, the center hole (9) of driven gear (5) is connected with compressor main shaft, driven gear (5) the other end cylndrical surface coordinates with the endoporus of bearing (11), bearing (11) is fixedly installed on gearbox casing (4), the center hole of driving gear (15) is fixedly connected with engine output shaft.

2. the variable speed direct-connecting device of air condition compressor for a motor according to claim 1 and many chassis, is characterized in that, between gearbox casing (4) and connecting cover (1), by bolt (2), connects, and its junction plane is lined with connecting cover pad (3).

3. the variable speed direct-connecting device of air condition compressor for a motor according to claim 1 and many chassis, is characterized in that, is coated with casing pad (12) on the junction plane between gearbox casing (4) and motor side cover.

4. the variable speed direct-connecting device of air condition compressor for a motor according to claim 1 and many chassis, it is characterized in that, be processed with gasket seal mounting hole (6) on the positioning hole end face (20) of connecting cover (1), gasket seal or O RunddichtringO (21) inside are housed.

5. the variable speed direct-connecting device of air condition compressor for a motor according to claim 1 and many chassis, it is characterized in that, driving gear (15) and two driven gears (5) engagement, two driven gears (5) lay respectively at the both sides of driving gear (15).

6. the variable speed direct-connecting device of air condition compressor for a motor according to claim 1 and many chassis, it is characterized in that, driving gear (15) and three driven gear engagements, wherein the center hole (9) of two driven gears (5) is connected with compressor main shaft, and a driven gear (38) is connected with generator rotor shaft.