CN202048145U

CN202048145U - Variable-speed direct connecting device for one engine and multiple vehicle air condition compressors

Info

Publication number: CN202048145U
Application number: CN2011201487543U
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: 2011-11-23
Anticipated expiration: 2021-05-11
Also published as: CN102226462B; CN102226462A

Abstract

The utility model belongs to a device for connecting an engine and a vehicle air condition compressor, particularly to a variable-speed direct connecting device for one engine and multiple vehicle air condition compressors. The variable-speed direct connecting device mainly comprises a gear box, wherein the gear box comprises a connecting cover and a gear box body; the gear box is internally provided with a driving gear and at least two driven gears; the driving gear is meshed with the driven gears; the connecting cover is provided with a fixing hole connected with a cylinder body of the compressor and a locating hole connected with a front end cover of the compressor; a bearing hole is formed on the connecting cover; a bearing is arranged in the bearing hole and is connected with the head part of an output shaft of the engine; the gear box body is provided with a connecting hole which is connected with a side cover of the engine; a center hole of the driven gears is connected with a spindle of the compressor; the cylindrical surface at the other end of the driven gear is matched with an inner hole of the bearing; the bearing is fixedly arranged on the gear box body; and the center hole of the driving gears is fixedly connected with the output shaft of the engine. The variable-speed direct connecting device of the utility model has the advantages of compact structure, convenience in installation, good reliability and high mechanical efficiency.

Description

A motor and the many chassis direct-connected device of speed change of air condition compressor

Technical field

The utility model belongs to the connection set of motor and Vehicular air-conditioner compressor, especially belongs to a motor and the many chassis direct-connected device of speed change with air condition compressor

Background technique

Existing Vehicular air-conditioner compressor mainly is 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 axis 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 break down easily, it is not compact that while belt Placement exists installation, mechanical efficiency is low, 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 drive many chassis air condition compressor.

Summary of the invention

The utility model purpose is to overcome the not enough point that above-mentioned existing structure exists, provide a kind of compact structure, easy for installation, mechanical efficiency is high, can drive a motor of many chassis usefulness air condition compressor and the direct-connected device of speed change of many chassis usefulness air condition compressor.

The technological scheme that the utility model adopted is the direct-connected device of speed change that a motor and many chassis are used air condition compressor, its main points are that it mainly is made of a gearbox, described gearbox is by connecting cover, gearbox casing constitutes, driving gear and at least two driven gears are equipped with in inside, driving gear and driven gear engagement, the fixed hole that is connected with compressor casing is arranged on the connecting cover, the positioning hole that is connected with the compressor front cover, be shaped on bearing hole on the connecting cover, buried bearing, bearing is connected with the head of engine output shaft, gearbox casing has the attachment hole that is 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 cooperates with the endoporus of bearing, and bearing fixing is installed on the gearbox casing, and the center hole of driving gear is fixedlyed connected with engine output shaft.

The utility model increases a gearbox, connects motor and Vehicular air-conditioner compressor, compact structure by gear transmission, good reliability, the mechanical efficiency height, the structure of a plurality of driven gears has realized a motor and many chassis air condition compressor purpose of connecting.

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.

Connect by the setting circle location and by bolt between gearbox casing and the connecting cover, its junction plane is lined with the connecting cover pad, in case leakage of oil.

On the installation end face between gearbox casing and the motor side cover, be coated with the casing pad, in case leakage of oil.

On connecting cover and positioning hole end face that each Vehicular air-conditioner compressor front cover links to each other, be processed with the gasket seal mounting hole, gasket seal or O RunddichtringO be housed, in the hole in case leakage of oil.

Advantage of the present utility model is compact structure, easy for installation, good reliability, the mechanical efficiency height, a motor can drive many chassis air condition compressor simultaneously, can realize substituting the Vehicular air-conditioner compressor of a big discharge capacity like this with the Vehicular air-conditioner compressor of many less relatively discharge capacities, solve a large displacement vehicle air condition compressor and the direct-connected difficult problem of 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 the scope with the rotating speed of motor.

Description of drawings

Fig. 1 is the utility model embodiment 1 structural principle schematic representation

Fig. 2 be Figure 1A to part figure

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

Fig. 4 is the utility model embodiment 2 structural principle schematic representation

Fig. 5 is the gear engagement figure of Fig. 4

Wherein: 1 connecting cover, 2 bolts, 3 connecting cover pads, 4 gearbox casings, 5 driven gears, 6 mounting holes, 7 positioning holes, 8 positioning keys, 9 center holes, 10 nuts, 11 bearings, 12 casing pads, 13 motor side covers, 14 engine output shafts, 15 driving gears, 16 attachment holes, 17 fixed holes, 18 bolts

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

Embodiment

Below in conjunction with accompanying drawing the utility model is described in detail

Embodiment 1, as shown in Figure 1, a motor and the many chassis direct-connected device of speed change of air condition compressor, it mainly is made of a gearbox, described gearbox is by connecting cover 1, gearbox casing 4 constitutes, locate by setting circle 28 between gearbox casing 4 and the connecting cover 1, and with bolt 2 locking, 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 that is connected with compressor casing 19 is arranged on the connecting cover 1, the positioning hole 7 that is connected with compressor front cover 23, connecting cover 1 is connected with Vehicular air-conditioner compressor cylinder body 19 by fixed hole 17 and locks with bolt 18, on the positioning hole end face 20 of connecting cover 1, be processed with gasket seal mounting hole 6, gasket seal or O RunddichtringO 21 are housed in the hole, and gasket seal 21 or O RunddichtringO cooperate the lubricant oil that prevents in the gearbox to spill from positioning hole 7 with compressor front cover 23.Gearbox casing 4 has the attachment hole 16 that is 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 cooperate with the endoporus of bearing 11, and bearing 11 is fixedly installed on the gearbox casing 4.Driving gear 15 is installed on the engine output shaft 14 by center hole, back-up ring 27 is housed on the engine output shaft 14 can prevents driving gear 15 axial floats, be shaped on bearing hole 24 on the 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 two Vehicular air-conditioner compressors with power respectively 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 the center of pressure release bolt 30, equipped cotter pin 29 in the hole, make the air pressure and the external world in the gearbox casing reach balance by the gap between cotter pin 29 itself and it and pin-and-hole, can realize that like this gearbox inside can communicate with atmosphere, keep normal pressure and lubricant oil in the gearbox can not spill; Pasta is housed in the gearbox casing bottom observes plug screw 32, wherein be provided with clear glass 33, within the limits prescribed whether the height that can observe lubricated pasta in the gearbox by glass; In the gearbox casing bottom oil discharge screw 34 is housed, is convenient to change the lubricant oil in the 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 side machining hole 44 communicates with the blind hole 45 at center, alternative pressure release bolt 30 and cotter pin 29.

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

Claims

1. a motor and many chassis are with the direct-connected device of speed change of air condition compressor, it is characterized in that, it mainly is made of a gearbox, described gearbox is by connecting cover (1), gearbox casing (4) constitutes, 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) that is connected with compressor casing is arranged on the connecting cover (1), the positioning hole (7) that is connected with the compressor front cover, be shaped on bearing hole (24) on the connecting cover, buried bearing (25), bearing (25) is connected with the head of engine output shaft, gearbox casing (4) has the attachment hole (16) that is 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 cooperates with the endoporus of bearing (11), bearing (11) is fixedly installed on the gearbox casing (4), and the center hole of driving gear (15) is fixedlyed connected with engine output shaft.

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

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

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

5. a motor according to claim 1 and the many chassis direct-connected device of speed change of air condition compressor, 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. a motor according to claim 1 and the many chassis direct-connected device of speed change of air condition compressor, 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.