CN207955338U - A kind of comfort type driving-shaft assembly - Google Patents

Abstract

The utility model provides a kind of comfort type driving-shaft assembly, intermediate supports including transmission shaft and for installing transmission shaft, the intermediate supports include fixed seat, support shaft, lantern ring, mounting hole, rocking arm, link block, connecting rod, fixed frame and grease nipple, the fixed seat top is provided with array connecting hole, the fixed seat lower part is fixed with support shaft and is welded, the support shaft both sides are fixedly welded with limited block, support shaft both sides outer wall is equipped with lantern ring by mounting hole movable sleeve, the lantern ring lower part is fixed with rocking arm and is welded, the rocking arm lower part is fixedly welded with link block, it fixes and welds with connecting rod side on the inside of the link block on the both sides, it is fixedly connected with honeycombed rubber pad in the middle part of the fixed frame annulus, it is fixedly connected with bearing on the inside of the honeycombed rubber pad, fixed frame side outer wall is provided with grease nipple.The utility model is simple in structure, and error compensation can be effectively performed, and can reduce the influence that transmission shaft vibration is brought well.

Description

A kind of comfort type driving-shaft assembly

Technical field

The utility model belongs to technical field of automobile parts, specifically a kind of comfort type driving-shaft assembly.

Background technology

In driving-shaft assembly, the effect of intermediate supports is very important, and intermediate supports are need to be in centre when transmission shaft is long It disconnects, and supports the mechanism on vehicle frame, intermediate supports to be mounted on frame cross or body understructure by supporting arrangement them On, it is desirable that it has the function of that the installation error of transmission shaft can be compensated, and adapts in traveling since the elastic mounting of engine causes Engine play and frame distortion caused by displacement function.Simultaneously wherein rubber elastic element also have absorb transmission shaft vibration, It reduces noise and bears the function of radial load.Intermediate supports are made of rubber elastic element, bearing etc..Due to honeycombed rubber pad It is flexible, compensation installation error and displacement caused by engine play in traveling and frame distortion can be met and acted on.Intermediate supports Elastic element is commonly used to meet above-mentioned function, intermediate supports are made of holder and bearing etc., and biserial cone bearing is fixed on centre On the axle journal at transmission shaft rear portion.Elastic element rubber pad ring is housed between the support cap with oil sealing, is fastened with three bolts.Fastening When, rubber pad ring meeting radial dilatation, outer circle is by jam-packed in the endoporus of holder.Intermediate supports currently on the market are difficult effectively Installation error is compensated, the compensation of error cannot be controlled well, and easily caused noise by transmission shaft vibration effect.

Utility model content

The purpose of this utility model is to provide a kind of comfort type driving-shaft assemblies reasonable for structure, to solve above-mentioned background The technical issues of proposed in technology.

The purpose of this utility model is that technical solution in this way is realized, it includes transmission shaft and is used to support described The intermediate supports of transmission shaft, the intermediate supports include fixed seat, support shaft, lantern ring, mounting hole, rocking arm, link block, connection Bar, fixed frame and grease nipple, the fixed seat top are provided with array connecting hole, and the fixed seat lower part is fixed with support shaft and welded It connecing, the support shaft both sides are fixedly welded with limited block, and support shaft both sides outer wall is equipped with lantern ring by mounting hole movable sleeve, The lantern ring lower part is fixed with rocking arm and is welded, and the rocking arm lower part is fixedly welded with link block, the link block inside on the both sides It fixes and welds with connecting rod side, the other side of the connecting rod is fixed with fixed frame outer wall welds, in the fixed frame annulus Portion is fixedly connected with honeycombed rubber pad, is fixedly connected with bearing on the inside of the honeycombed rubber pad, outside the fixed frame side Wall is provided with grease nipple.

Preferably, the fixed seat top is fixedly welded with the U-shaped seat of four sides tilting, is provided in the middle part of the U-shaped seat logical Hole, the through-hole are corresponding with the connection hole site.

Preferably, it is fixedly installed on the support shaft outer wall and rubber bushing on the outer wall of the connecting rod.

Preferably, it fixes and welds with postive stop baffle in the middle part of the support shaft, the postive stop baffle bottom position is slightly above institute State bearing.

Preferably, the bearing outer ring is fixedly connected with snap ring, and oil sealing is fixedly installed on the outside of the snap ring.

Compared with prior art, the utility model has the beneficial effects that：

The utility model is fixed by ring set lower part and rocking arm and is welded, and rocking arm swing can carry out error compensation；Fixed frame is justified It is fixedly connected with honeycombed rubber pad in the middle part of ring, is fixedly connected with bearing on the inside of honeycombed rubber pad, honeycombed rubber when use Error compensation can be effectively performed in pad and bearing；It fixes and welds with postive stop baffle in the middle part of support shaft, postive stop baffle bottom position Slightly above bearing, when use, can prevent rocking arm loosening from causing connecting shaft amplitude of fluctuation is excessive to be damaged to vehicle.

The utility model is fixedly welded with U-shaped seat by fixed seat top, and through-hole, through-hole and company are provided in the middle part of U-shaped seat It is corresponding to connect hole site, middle part forms certain space when U-shaped seat is contacted with car body when use, it is possible to reduce mounting bracket is shaken It is dynamic；The utility model is simple in structure, error compensation can be effectively performed, and control swing, can reduce well The influence that brings of transmission shaft vibration, reduces noise, make to drive or riding process in it is more comfortable.

Description of the drawings

Fig. 1 is the sectional view of transmission shaft in the utility model；

Fig. 2 is the explosive view of transmission shaft in the utility model；

Fig. 3 is the overall structure diagram of intermediate supports in the utility model；

Fig. 4 is the side sectional view of intermediate supports in the utility model；

Fig. 5 is the vertical view of intermediate supports in the utility model.

In figure：1, support shaft；2, fixed seat；3, lantern ring；4, rocking arm；5, link block；6, connecting rod；7, fixed frame；8, it limits Position baffle；9, connecting hole；10, U-shaped seat；11, rubber bushing；12, mounting hole；13, limited block；14, honeycombed rubber pad；15、 Bearing；16, grease nipple；17, through-hole；18, snap ring；19, oil sealing；20, universal-joint fork；21, splined shaft；22, spline housing；23, axis Pipe.

Specific implementation mode

In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under Face combines and is specifically illustrating, and the utility model is expanded on further.

As depicted in figs. 1 and 2, the utility model includes transmission shaft, and transmission shaft is by universal-joint fork 20, splined shaft 21, spline Set 22 and central siphon 23 form, and splined shaft 21 is fixedly connected on universal-joint fork 20, spline housing 22 be set on splined shaft and with flower Key axis engages, and central siphon 23 is fixedly connected with that one end of spline housing 22 far from universal-joint fork 20；Universal-joint fork is universal using forging Save fork, 20*50 universal joints, 22 tooth splined shafts and spline housing.Central siphon length within 1000mm, torque up to 2000 Ns rice with On, 2 tons or so of tricycle load-carrying can be met.

As shown in Fig. 3, Fig. 4 and Fig. 5, the utility model further includes intermediate supports, and intermediate supports include fixed seat 2, support Axis 1, lantern ring 3, mounting hole 12, Rocker arm 4, link block 5, connecting rod 6, fixed frame 7 and grease nipple 16,2 top of the fixed seat are set It is equipped with array connecting hole 9, for securely being connect with car body, 2 lower part of the fixed seat is fixed with support shaft 1 and welded, the support 1 both sides of axis are fixedly welded with limited block 13, prevent Rocker arm 4 from falling off, and 1 both sides outer wall of the support shaft passes through 12 movable sleeve of mounting hole Equipped with lantern ring 3,3 lower part of the lantern ring is fixed with Rocker arm 4 and is welded, and reaches error correction for swinging, the Rocker arm 4 lower part is fixed It is welded with link block 5,5 inside of link block on the both sides is fixed with 6 side of connecting rod welds, the other side of the connecting rod 6 It fixes and welds with 7 outer wall of fixed frame, honeycombed rubber pad 14, the honeycombed are fixedly connected in the middle part of 7 annulus of the fixed frame 14 inside of rubber pad is fixedly connected with bearing 15, for error correction, 7 side outer wall of the fixed frame to be provided with consistent lubricant when driving Mouth 16 carries out bearing 15 and lubricates.

2 top of the fixed seat is fixedly welded with the U-shaped seat 10 of four sides tilting, and 10 middle part of the U-shaped seat is provided with through-hole 17, the through-hole 17 is corresponding with 9 position of the connecting hole, and middle part forms certain empty when U-shaped seat 10 is contacted with car body when use Between, it is possible to reduce the vibration of mounting bracket；It is fixedly installed on 1 outer wall of the support shaft and on the outer wall of the connecting rod 16 Rubber bushing 11, lantern ring 3 are sheathed on the rubber bushing 11 being made on axis 1, and rubber bushing 11 has elasticity, and there is buffering to make With reducing the transmission of vibration；1 middle part of the support shaft is fixed with postive stop baffle 8 welds, 8 bottom position of the postive stop baffle The slightly above described bearing 15, when use, can prevent Rocker arm 4 loosening from causing connecting shaft amplitude of fluctuation is excessive to be damaged to vehicle； 15 outer ring of the bearing is fixedly connected with snap ring 18, and 18 outside of the snap ring is fixedly installed oil sealing 19, is lubricated, prevents axis Hold 15 frictional heatings.

Operation principle：The utility model passes through the axis by the central siphon 23 of transmission shaft mounted on the bearing 15 at 7 middle part of fixed frame In bearing bore, then on the car body by the fixation of U-shaped seat 10 in fixed seat 2, reach transmission shaft supporting role, wherein Rocker arm 4, honeycombed Error compensation can be effectively performed in rubber pad 14 and bearing 15, and postive stop baffle 8 prevents Rocker arm 4 loosening from causing the amplitude of oscillation excessive, this Utility model is simple in structure, error compensation can be effectively performed, and control swing, can reduce transmission shaft well Vibrate the influence that brings, reduce noise, make to drive or riding process in it is more comfortable.

It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit The equivalent structure made by the utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks Domain, similarly within the scope of patent protection of the utility model.

Claims (5)

1. a kind of comfort type driving-shaft assembly, including transmission shaft and the intermediate supports for being used to support the transmission shaft, the centre Support includes fixed seat (2), support shaft (1), lantern ring (3), mounting hole (12), rocking arm (4), link block (5), connecting rod (6), consolidates Determine frame (7) and grease nipple (16), it is characterised in that：Fixed seat (2) top is provided with array connecting hole (9), the fixation Seat (2) lower part and the fixed welding of support shaft (1), support shaft (1) both sides are fixedly welded with limited block (13), the support shaft (1) both sides outer wall is equipped with lantern ring (3), lantern ring (3) lower part and the fixed welding of rocking arm (4) by mounting hole (12) movable sleeve, Rocking arm (4) lower part is fixedly welded with link block (5), is fixed with connecting rod (6) side on the inside of the link block (5) on the both sides Welding, the other side of the connecting rod (6) is fixed with fixed frame (7) outer wall welds, fixed in the middle part of fixed frame (7) annulus to connect It is connected to honeycombed rubber pad (14), is fixedly connected with bearing (15) on the inside of the honeycombed rubber pad (14), the fixed frame (7) Side outer wall is provided with grease nipple (16).

2. a kind of comfort type driving-shaft assembly according to claim 1, it is characterised in that：Fixed seat (2) top is solid Surely it is welded with the U-shaped seat (10) of four sides tilting, through-hole (17), the through-hole (17) and institute are provided in the middle part of the U-shaped seat (10) It is corresponding to state connecting hole (9) position.

3. a kind of comfort type driving-shaft assembly according to claim 1, it is characterised in that：On support shaft (1) outer wall It is fixedly installed rubber bushing (11) on the outer wall of the connecting rod (6).

4. a kind of comfort type driving-shaft assembly according to claim 1, it is characterised in that：In the middle part of the support shaft (1) with The fixed welding of postive stop baffle (8), postive stop baffle (8) bottom position are slightly above the bearing (15).

5. a kind of comfort type driving-shaft assembly according to claim 1, it is characterised in that：Bearing (15) outer ring and card Ring (18) is fixedly connected, and oil sealing (19) is fixedly installed on the outside of the snap ring (18).