CN205744880U - Spherojoint assembly and the suspension with this spherojoint assembly - Google Patents

Abstract

nullThe utility model discloses a kind of spherojoint assembly and the suspension with this spherojoint assembly，Including housing、Ball seat and mandrel，Through hole is axially offered along housing，The counterbore connected with through hole is offered near the lower end of housing，Ball seat is contained in the through hole of housing，One end of mandrel is placed in outside housing through ball seat，The other end abuts with ball seat and is limited in counterbore，It is fixed with shrouding near the lower end of housing，Shrouding and mandrel are placed between the end face of counterbore and form a cavity，Hydraulic oil it is filled with in cavity，This hydraulic oil limits the axially-movable of mandrel，With hydraulic oil as support member effect，Replace existing spring to arrange，Fundamentally solve due to the problem producing gap long-time between mandrel and ball seat，And hydraulic oil is compared the mode of spring setting and is increased mandrel anti-pressure ability in the axial direction，And the cavity height formed between mandrel and shrouding can regulate thus control mandrel and fluctuate region，Improve the scope of application of this bulb assembly.

Description

Spherojoint assembly and the suspension with this spherojoint assembly

Technical field

This utility model relates to the suspension of vehicle, particularly to a kind of spherojoint assembly and with this spherojoint assembly Suspension.

Background technology

Spherojoint is in the vehicle of wheel or the three-dimensional motion of miscellaneous part, and it provides when Vehicular turn and suspension arrangement Comply with the motion on bold relief or stand hinged connection required during lateral deviation power.Existing bulb assembly generally comprises shell Body, shrouding, ball seat and mandrel, for reduce between mandrel and ball seat long-time use after the gap that produces, generally ball seat with Spring is set between shrouding, such as, in the utility model patent that notification number is CN 203161820U, discloses that " a kind of automobile turns Upwards suspension bulb assembly ", include ball cup shell, bonnet, ball seat and ball stud, described bonnet is securely fitted in ball cup Forming installation cavity bottom shell, the ball head of described ball seat and ball stud is assemblied in installation cavity, and the ball head of ball stud is assemblied in On ball seat, being provided with the regulation spring for automatically eliminating gap bottom described installation cavity, described regulation spring one end is against ball seat Bottom, the other end of regulation spring is supported on bonnet.

But above-mentioned set-up mode, owing between spring and ball seat, both wear and tear more serious after a long time use, and Spring is susceptible to the situation of elastic failure in the case of long-time pressurized, and service life is shorter.

Utility model content

First purpose of the present utility model is to provide a kind of spherojoint assembly, replaces existing spring mode, uses oil Pressure reduces the gap between mandrel and ball seat and improves service life.

First technical purpose of the present utility model has the technical scheme that

A kind of spherojoint assembly, including housing, ball seat and mandrel, axially offers through hole, near described shell along housing The lower end of body offers the counterbore connected with through hole, and described ball seat is contained in the through hole of housing, and one end of described mandrel passes Ball seat is placed in outside housing, and the other end abuts with ball seat and is limited in counterbore, is fixed with shrouding near the lower end of described housing, Forming a cavity between described shrouding and end face of mandrel, be filled with hydraulic oil in cavity, this hydraulic oil limits described mandrel Axially-movable.

By using technique scheme, utilize hydraulic oil as support member effect, replace existing spring and arrange, from root Solve in basis due to the problem producing gap long-time between mandrel and ball seat, and the mode that spring is arranged compared by hydraulic oil Increase mandrel anti-pressure ability in the axial direction, and the cavity height formed between mandrel and shrouding can regulate thus controls Mandrel fluctuates region, improves the scope of application of this bulb assembly.

As preferably, pedestal and the bottom stepped with pedestal that described ball seat includes offering ball seat hole are convex Edge, described lower flange is connected at the hole shoulder that formed between counterbore and through hole；Described mandrel includes fitting through is located at ball Cylindrical section in bore, one end of described cylindrical section is provided with resistance to compression block, and this resistance to compression block is stepped with cylindrical section, and when institute's core After axle is arranged in housing, described resistance to compression block is connected at the lower flange of ball seat.

By using technique scheme, in installation process, ball seat penetrates from the counterbore end of housing, and the bottom on ball seat is convex Edge abuts to make ball seat up cannot move in continuation on the shoulder of hole, and mandrel penetrates equally at the counterbore of housing, utilizes mandrel Upper resistance to compression block is connected at the lower flange of ball seat, thus ball seat is the most spacing, finally utilizes hydraulic oil to withstand Mandrel, by spacing for the axially institute of mandrel.

As preferably, opening clamping and be provided with back-up ring in described counterbore, described back-up ring is connected to the lower surface of lower flange.

By using technique scheme, back-up ring be connected at the lower flange of ball seat further by ball seat in the most enterprising Row is spacing fixing.

As preferably, described housing draws formation in for spacing ball seat along through hole in upper end to the center position of through hole The axially limited block of displacement.

By using technique scheme, after ball seat penetrates in housing, limited block is as the pedestal upper surface of ball seat Position-limiting action, it is to avoid due to ball seat lower flange depart from hole shoulder abutting occur axial displacement.

As preferably, described counterbore is the truncated cone-shaped that little end opening suitable for reading is big.

By using technique scheme, counterbore is set to truncated cone-shaped so that by institute's shape between mandrel resistance to compression block and shrouding The cavity become is similarly truncated cone-shaped so that fill the oil produced by hydraulic oil suffered by resistance to compression block when expiring hydraulic oil in cavity Pressure can i.e. create the power drawn in centerline direction so that fit more between mandrel and ball seat toward the centerline direction of mandrel For firm, it is to avoid produced gap between the two.

As preferably, described housing stretches out in upper end formation protruding block, and described protruding block is connected with dust cover, One end of described dust cover is connected at the shaft shoulder that described protruding block and housing upper end are formed.

By using technique scheme, dust cover is by, on the protruding block that extends with housing upper end, utilizing and self have Elastic force be fixed on housing, and this kind of mode is more convenient in dismounting.

As preferably, one end that described dust cover abuts with the shaft shoulder is internally provided with skeleton, in its opposite end by setting The collar put abuts against with the outer wall of mandrel.

By using technique scheme, the skeleton that dust cover is arranged makes the shape that dust cover holding is certain, and it is fixed to have Type effect, it is ensured that what dust cover was firm is fastened on protruding block, secondly by collar and mandrel on the other end of dust cover Outer wall engages, thus is fixed by whole dust cover.

As preferably, the inwall that described dust cover and mandrel abut against is provided with anti-skidding lines.

By using technique scheme, dust cover is abutted against by the outer wall of collar with mandrel avoids dust or water to enter Enter in housing, and first the anti-skidding lines arranged on the inwall of dust cover can increase the frictional force between mandrel outer wall, Secondly can also play the effect of collecting tank, carry out dust or water converging and collect, then convenient cleaning.

As preferably, offering draw-in groove in described counterbore, described shrouding is connected in draw-in groove.

By using technique scheme, when installing shrouding, shrouding is placed in counterbore in advance, will by rotation riveting mode The lower end of housing is to center curvature so that form draw-in groove in counterbore, and by installation firm for shrouding and draw-in groove.

Second purpose of the present utility model is to provide a kind of suspension, can bear bigger axial force, and use Life-span is higher.

Second technical purpose of the present utility model has the technical scheme that

A kind of suspension, including described spherojoint assembly.

By using technique scheme, mandrel utilizes the mode of hydraulic oil to carry out axial support limit, it is to avoid due to bullet Spring failure conditions high life, and can adapt to according to the altitude mixture control mandrel of hydraulic oil axial location in housing Installation in different work.

In sum, this utility model has the advantages that

1, the lower flange of ball seat is connected at the hole shoulder of counterbore, utilizes the resistance to compression block on mandrel to be connected to lower flange and supports Catch, the most spacing to ball seat in conjunction with the back-up ring being connected to counterbore, finally by hydraulic oil by mandrel and the bottom of ball seat Flange compresses further, improves the close property between mandrel and ball seat, reduces gap between the two, and is conveniently adjusted core Axle axial height in housing, is applicable to different work and installs.

2, cover is directly connected on protruding block, arranges the skeleton sizing to dust cover in inside in conjunction with dust cover so that anti- Dust hood is the most firm with the clamping of protruding block, in conjunction with the collar arranged on dust cover by dust cover top to contract and mandrel Internal institute clamping so that dust cover is fixed completely.

Accompanying drawing explanation

Fig. 1 is the exploded perspective view of spherojoint assembly in embodiment one；

Fig. 2 is the assembling schematic diagram in embodiment one between dust cover and housing；

Fig. 3 is the sectional view of spherojoint assembly in embodiment one.

In figure: 1, housing；11, through hole；12, counterbore；121, hole shoulder；122, draw-in groove；123, circlip groove；13, upper end；14、 Lower end；15, protruding block；151, limited block；16, sidewall；2, ball seat；21, pedestal；22, lower flange；3, mandrel；31, cylinder Section；32, resistance to compression block；33, thread segment；4, dust cover；41, skeleton；42, card ring recess；43, anti-skidding lines；44, storage tank；5, envelope Plate；6, hydraulic oil；7, back-up ring；8, collar.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

Embodiment one

Refering to Fig. 1 and Fig. 2, a kind of spherojoint assembly, including mandrel 3, one end of mandrel 3 is set to thread segment 33 for joining Close nut to fix with knuckle, and be set to cylindrical section 31 in its opposite end, this mandrel 3 can only realize in the circumferential 360 ° turn Dynamic.

Spherojoint assembly also includes that housing 1, housing 1 have between upper end 13, lower end 14 and upper end 13 and lower end 14 Sidewall 16, housing 1 offers through hole 11 between 13 to lower end, upper end 14, offers counterbore 12 near the side of lower end 14, should Counterbore 12 is the truncated cone-shaped that little end opening suitable for reading is big, and connects with through hole 11, forms a hole between the suitable for reading and sidewall 16 of counterbore 12 Shoulder 121；Upwardly extend formation protruding block 15 from upper end 13, the upper part inward collapsible of protruding block 15 is bent to form limited block 151, Ladder section is formed between this limited block 151 and inwall of through hole 11.

Spherojoint assembly also include ball seat 2, ball seat 2 include cylindrical shape pedestal 21 and from pedestal 21 lower end 14 towards The lower flange 22 of outer extension, stepped between lower flange 22 and pedestal 21, mandrel 3 may pass through ball seat 2, and mandrel 3 Cylindrical section 31 and the pedestal 21 of ball seat 2 between match, cylindrical section 31 lower end 14 extend outwardly and form resistance to compression block 32, anti- Briquetting 32 same in cylindrical section 31 in ladder section, be connected to the lower flange of ball seat 2 at mandrel 3 through resistance to compression block 32 after ball seat 2 At 22.

Ball seat 2 and housing 1 by matching, at counterbore 12, penetrate pedestal 21 be placed in through hole 11, and lower flange 22 are connected to hole takes at 121, utilizes this hole to take on the axial displacement in housing 1 of the 121 spacing ball seats 2.

Spherojoint assembly also includes that dust cover 4, one end of dust cover 4 are internally provided with skeleton 41, and skeleton 41 is by metal system Becoming, it is ensured that the styling of dust cover 4 one end, have a storage tank 44 in dust cover 4, this storage tank 44 is used for accommodating housing 1 Protruding block 15, and dust cover 4 is connected on housing 1 by protruding block 15, and one end being provided with skeleton 41 of dust cover 4 is supported It is connected at the upper end 13 of housing 1, the shaft shoulder formed by housing 1 and protruding block 15 in other words.

In conjunction with Fig. 1 to Fig. 3, when installing this spherojoint assembly, first ball seat 2 is penetrated also at the counterbore 12 of housing 1 Make lower flange 22 be connected to hole to take at 121, then mandrel 3 is installed at counterbore 12, penetrates and make the anti-of mandrel 3 end Briquetting 32 is connected at the lower flange 22 of ball seat 2, and now in circlip groove 123, card accesses back-up ring 7, and this back-up ring 7 is connected to down The lower section of portion's flange 22, injects hydraulic oil 6 in counterbore 12, sets up shrouding 5, uses rotation riveting mode by inside for housing 1 lower end 14 Bending makes to be formed draw-in groove 122 at counterbore 12 inwall, and shrouding 5 has just been connected in draw-in groove 122, and the hydraulic oil that will inject 6 are isolated from the outside, and define the cavity of stock solution force feed 6 between shrouding 5 and resistance to compression block 32, utilize hydraulic oil 6 by mandrel 3 and Ball seat 2 compresses.

Finally installing dust cover 4, dust cover 4 is directly connected on the protruding block 15 of housing 1, dust cover 4 upper part Offer card ring recess 42 at outer wall, in card ring recess 42, be connected with collar 8, utilize this collar 8 by the outer wall of dust cover 4 with mandrel 3 Abut against, at the inwall of dust cover 4, be provided with anti-skidding lines 43, increase frictional force between mandrel 3 outer wall and avoid dust cover 4 Axial displacement on mandrel 3.

Embodiment two

A kind of suspension, have employed the spherojoint assembly in embodiment one.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. a spherojoint assembly, it is characterised in that include housing (1), ball seat (2) and mandrel (3), axial along housing (1) Offer through hole (11), offer the counterbore (12) connected with through hole (11), described ball near the lower end (14) of described housing (1) Seat (2) is contained in the through hole (11) of housing (1), and one end of described mandrel (3) is placed in housing (1) outward, separately through ball seat (2) One end abuts with ball seat (2) and is limited in counterbore (12), is fixed with shrouding (5), institute near the lower end (14) of described housing (1) Stating and form a cavity between shrouding (5) and mandrel (3) end face, be filled with hydraulic oil (6) in cavity, this hydraulic oil (6) limits The axially-movable of described mandrel (3).

Spherojoint assembly the most according to claim 1, it is characterised in that described ball seat (2) includes offering ball seat hole Pedestal (21) and the lower flange (22) stepped with pedestal (21), described lower flange (22) be connected to counterbore (12) with Shoulder (121) place, hole formed between through hole (11)；Described mandrel (3) includes fitting through the cylinder being located in ball seat (2) hole Section (31), one end of described cylindrical section (31) is provided with resistance to compression block (32), and this resistance to compression block (32) is stepped with cylindrical section (31), And after institute's mandrel (3) is arranged in housing (1), described resistance to compression block (32) is connected to lower flange (22) place of ball seat (2).

Spherojoint assembly the most according to claim 2, it is characterised in that open clamping in described counterbore (12) and be provided with back-up ring (7), described back-up ring (7) is connected to the lower surface of lower flange (22).

Spherojoint assembly the most according to claim 1, it is characterised in that described housing (1) in upper end (13) place to through hole (11) center position draws in and forms the limited block (151) being used for spacing ball seat (2) along through hole (11) axially displacement.

Spherojoint assembly the most according to claim 1, it is characterised in that described counterbore (12) is the circle that little end opening suitable for reading is big Platform shape.

Spherojoint assembly the most according to claim 1, it is characterised in that described housing (1) stretches out in upper end (13) Forming protruding block (15), described protruding block (15) is connected with dust cover (4), one end of described dust cover (4) is connected to described At the shaft shoulder that protruding block (15) and housing (1) upper end (13) are formed.

Spherojoint assembly the most according to claim 6, it is characterised in that one end that described dust cover (4) abuts with the shaft shoulder It is internally provided with skeleton (41), is abutted against with the outer wall of mandrel (3) by the collar (8) of setting in its opposite end.

Spherojoint assembly the most according to claim 7, it is characterised in that described dust cover (4) and mandrel (3) abut against Anti-skidding lines (43) it is provided with on inwall.

Spherojoint assembly the most according to claim 1, it is characterised in that offer draw-in groove (122) in described counterbore (12), Described shrouding (5) is connected in draw-in groove (122).

10. a suspension, it is characterised in that include the spherojoint assembly as described in claim 1-9 any bar.