CN203793059U - Fully wrapped universal ball type push rod rubber lining assembly - Google Patents
Fully wrapped universal ball type push rod rubber lining assembly Download PDFInfo
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- CN203793059U CN203793059U CN201420199737.6U CN201420199737U CN203793059U CN 203793059 U CN203793059 U CN 203793059U CN 201420199737 U CN201420199737 U CN 201420199737U CN 203793059 U CN203793059 U CN 203793059U
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Abstract
The utility model discloses a fully wrapped universal ball type push rod rubber lining assembly, which comprises a spherical shaft, a self-lubricating spherical bowl and an elastic body as well as steel baffles and dustproof covers, and the steel baffles and the dustproof covers are installed on the two sides of the spherical shaft. The fully wrapped universal ball type push rod rubber lining assembly is characterized in that a steel sleeve is added between the self-lubricating spherical bowl and the elastic body; the two ends of the steel sleeve are inwards turned over to form inner edges, so that an inner accommodating groove with two closed ends is formed; in addition, a plurality of axial grooves are uniformly distributed in the two inner sides in the circumferential direction; protruding outer edges are respectively arranged at the two ends of the outer wall of the steel sleeve to form an outer accommodating groove with two closed ends; a plurality of axial grooves are uniformly distributed in the protruding outer edges in the circumferential direction; the self-lubricating spherical bowl, the steel sleeve and the elastic body are subjected to two times of sequential injection and vulcanization to form an integral combined part, and the integral combined part is fully sealed and blocked by two steel baffles from the two sides; the steel baffle is limited via a push rod cylinder, as a result, full wrapping is realized, the rigidity of the whole rubber lining product is improved, and the service life of the product is prolonged.
Description
Technical field
The utility model relates to a kind of propelling rod (or back reaction rod) rubber bush assembly, especially full coated multi-directional ball formula rubber bushing for thrust rod assembly, specifically being connected for balancing suspension and vehicle frame and vehicle bridge.
Background technology
At present, known multi-directional ball formula rubber bushing for thrust rod assembly, it generally has spherical axle, and spherical axle has the self-lubricating ball bowl matching with spherical surface body outward, and ball bowl has elastic body outward, and the steel shoe of installing in spherical axle both sides and dust boot formation.If publication number is the patent of invention of CN 101063463A " a kind of automotive torque rod connector assembly ", the rubber bushing for thrust rod of this structure, because spherical axle is provided with sphere gyro-rotor, there is certain three dimensional space degree of freedom, it becomes universal type cliding friction with ball bowl-type, has certain science.But weak point is: self-lubricating body ball bowl directly depends on elastic body, because injection molding self-lubricating body ball bowl itself has frangible characteristic, at elastic body occurring when elastic deformation, only depend on the rigidity of self-lubricating body ball bowl self, be difficult to reply from the radial and axial significantly impact load of spherical axle spherical surface body, easily broken, therefore product shortens service life.
Notification number is CN 201494270U's the utility model patent of " a kind of balanced suspension for heavy-duty vehicle distance rod connector assembly ", adopt compacting steel bushing technique to wrap up split type two lobe shape ball bowls, steel bushing is in the time of bending generation free deformation, easily two frangible lobe formula self-lubricating ball bowls of damage itself, processing technology trouble, reject rate is high; Elastic body exposes, the mass defect that in the time of the prolonged and repeated generation elastic deformation of elastic body, when elastic deformation exceedes after its elastic deformation limit, coming unstuck easily appears in elastic body, sliding glue, colloid are torn; And steel bushing is all to disperse local parcel to self-lubricating ball bowl, steel washer to elastic body, and product rigidity is low, and product reliability is not good, and therefore product life is affected.
Summary of the invention
The utility model proposes full coated multi-directional ball formula rubber bushing for thrust rod assembly, improvement purpose is: one, and the external profile of tooth steel bushing member of setting up, the collaborative frangible shortcoming of injection molding self-lubricating body ball bowl that solves; Two, change element structure and Component composition, improve the engagement adhesive effect of product, make product there is overall parcel function, improving product integral rigidity, the reliability of raising rubber bush assembly, thereby the service life of improving rubber bush product.
For achieving the goal, the technical solution of the utility model is: full coated multi-directional ball formula rubber bushing for thrust rod assembly, comprise spherical axle, self-lubricating ball bowl, elastic body, and be installed on steel shoe and the dust boot of spherical axle both sides, dust boot is installed on steel shoe, it is characterized in that: between self-lubricating body ball bowl and elastic body, increase and have a steel bushing, the inward at both ends flange of steel bushing forms interior edge, form the interior holding tank of closed at both ends, and on edge, be uniformly distributed along the circumference and be provided with multiple axial grooves in two; On the outer wall of steel bushing, be uniformly distributed along the circumference and be provided with multiple axial grooves; Self-lubricating ball bowl, steel bushing and elastic body three inject and are sulfided into an entire combination part through twice point of order, and this entire combination part is formed whole block by two steel shoes from both sides; Under installing condition, steel shoe is spacing by propelling rod cylinder, forms overall situation parcel.
Further restriction to technique scheme: the outer wall two ends of steel bushing are respectively equipped with the outer of projection, the outer holding tank of formation closed at both ends, described axial groove is arranged on the outer of two projections.
Further restriction to technique scheme: described steel bushing adopts solid drawn pipe to make.
Beneficial effect:
In the utility model full closed multi-directional ball formula rubber bushing for thrust rod, by steel bushing inward at both ends flange is formed interior edge and offers groove, steel bushing and spherical axle are inlayed after the self-lubricating body ball bowl of injection global formation, steel bushing produces the constrained effect to centre of sphere direction to self-lubricating ball bowl, promote ball bowl axially and radial stress and rigidity, make ball bowl no longer easily broken, and production technology is simple;
By setting up the outer of projection at steel bushing outer wall and offering groove, increase steel bushing and elastomeric intermeshing cementability, make the elastic body of biphasic injection sulfidization molding and steel bushing form an an organic whole, elastic body is bonding firmly, be difficult for coming unstuck, promoted the reliability of product;
Allow steel shoe carry out whole block from both sides to steel bushing, self-lubricating ball bowl, the injection molding organic assembling body of elastic body three, elastic body is by both sides steel shoe and the completely interior bag of propelling rod cylinder inwall like this, the phenomenon of avoid coming unstuck, sliding glue, colloid being torn, make that whole product is hard and soft to be had both, promote the reliability of product, thereby raising product life, the frequency of maintenance of reduction rubber bush.
Brief description of the drawings
Fig. 1 is the structure diagram of the full coated multi-directional ball of the utility model formula rubber bushing for thrust rod assembly.
Fig. 2 is the steel bushing front view that the utility model is set up.
Fig. 3 is the steel bushing birds-eye view that the utility model is set up.
Fig. 4 is that the utility model rubber bushing for thrust rod assembly is installed on the schematic diagram after propelling rod cylinder.
The structure diagram of a kind of technology rubber bushing for thrust rod of Fig. 5 prior art assembly.
Fig. 6 is the structure diagram of the another kind of rubber bushing for thrust rod assembly of prior art.
Shown in figure: the 1st, spherical axle, the 2nd, steel bushing, 2a are that outer, the 2b of projection is that interior edge, 2c are axial grooves, the 3rd, self-lubricating ball bowl, the 4th, elastic body, the 5th, steel shoe, the 6th, dust protecting cap, the 7th, distance rod head, the 8th, propelling rod jump ring.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, further describe the utility model as follows: first brush grease in the land portions of spherical axle 1, in early-stage preparations techniques such as steel bushing 2 outer brush coat with rubber lining cements, then spherical axle 1 and steel bushing 2 are packed in mould, inlay injection moulding self-lubricating ball bowl 3, the inward at both ends flange of steel bushing 2 forms interior along 2b, forms the interior holding tank of closed at both ends, and in two, is provided with multiple axial groove 2c along being uniformly distributed along the circumference on 2b, the outer wall two ends of steel bushing are respectively equipped with the outer 2a of projection, form the outer holding tank of closed at both ends, on the outer 2a of two projections, are also provided with axial groove 2c, steel bushing 2 and self-lubricating ball bowl 3 form a fixing entirety, because self-lubricating property and the 1 sphere brushing of spherical axle of self-lubricating ball bowl 3 have grease, together with the component of self-lubricating ball bowl 3 and steel bushing 2, wrap up spherical axle 1, and bring into play universal type rotary action with spherical axle 1, again by spherical axle 1, steel bushing 2, the injection component of self-lubricating ball bowl 3 packs another mould into, carry out biphasic injection sulfidization molding elastic body 4, make spherical axle 1, steel bushing 2, self-lubricating ball bowl 3, elastic body 4 forms an assembly set after biphasic injection sulfuration, dust boot 6 is installed on steel shoe 5, then by steel shoe 5, dust boot 6 is installed on spherical axle 1, steel bushing 2, self-lubricating ball bowl 3, on the assembly set of elastic body 4, two steel shoes 5 form whole block from both sides, finally, spherical axle 1, steel bushing 2, self-lubricating ball bowl 3, elastic body 4, steel shoe 5, dust boot 6 forms the rubber bush assembly of a completion.This technique is simple, rigorous and scientific, and production efficiency is high, is applicable to conveyor line duplication of production in enormous quantities.
As shown in Figure 2 and Figure 3, the outer wall two ends of steel bushing 2 are respectively equipped with the outer 2a of projection, form the outer holding tank of closed at both ends, and it is optimized structure that the outer 2a of two projections is provided with this structure of axial groove 2c.Outer wall at steel bushing 2 also can not established bossed outer 2a, and axial groove is directly set on the outer wall of steel bushing 2, also can achieve the goal.
Steel bushing 2 shown in Fig. 2, preferably adopts solid drawn pipe to make; Have advantages of: raw material is easy to get, be convenient to processing, further reduce costs.
As shown in Figure 4, by the full coated multi-directional ball formula rubber bushing for thrust rod assembly in Fig. 1, press-fit in propelling rod cylinder 7, and installed thrust bar jump ring 8, like this, the inwall of propelling rod cylinder 7 and steel shoe 5, form the overall situation parcel to self-lubricating ball bowl 3, steel bushing 2, elastic body 4, spherical axle 1 together.
Work as Vehicle Driving Cycle, when the deflecting of impact before and after vehicle frame and vehicle bridge occur, bob and vehicle bridge, spherical axle 1 by bearing radially, axially and the impact load of the different directions such as torsion.
Comparison diagram 1 and Fig. 5, Fig. 6 learn, in Fig. 1, set up steel bushing 2, self-lubricating ball bowl 3 is directly depended on rigid matrix steel bushing 2, due to the parcel restriction of steel bushing 2 to self-lubricating ball bowl 3, external raising self-lubricating ball bowl 3 axially, radial stress and rigidity, self-lubricating ball bowl 3 is difficult for broken; Owing to the interior edge at steel bushing 2 and outer having done respectively fluting and process, promote the intermeshing cementability of steel bushing 2 with self-lubricating ball bowl 3, elastic body 4, made the elastic body 4 of injection molding self-lubricating body ball bowl 3 and injection sulfidization molding form an an organic whole with steel bushing 2 threes; Simultaneously, both sides steel shoe 5 is together with propelling rod cylinder 7, form the overall situation parcel to self-lubricating ball bowl 3, steel bushing 2, elastic body 4, spherical axle 1, elastic body 4 only produces elastic deformation in the airtight die cavity that both sides steel shoe 5 and propelling rod cylinder 7 form, reduced elastic body 4 sliding glue, come unstuck, the mass defect of colloid cracking, make rubber bush assembly product reach the hard and soft resultant effect having both, the global reliability of improving product, improve product life, reduced the frequency of maintenance of rubber bush.
Claims (3)
1. full coated multi-directional ball formula rubber bushing for thrust rod assembly, comprise spherical axle, self-lubricating ball bowl, elastic body, and be installed on steel shoe and the dust boot of spherical axle both sides, dust boot is installed on steel shoe, it is characterized in that: between self-lubricating body ball bowl and elastic body, increase and have a steel bushing, the inward at both ends flange of steel bushing forms interior edge, forms the interior holding tank of closed at both ends, and on edge, is uniformly distributed along the circumference and is provided with multiple axial grooves in two; On the outer wall of steel bushing, be uniformly distributed along the circumference and be provided with multiple axial grooves; Self-lubricating ball bowl, steel bushing and elastic body three inject and are sulfided into an entire combination part through twice point of order, and this entire combination part is formed whole block by two steel shoes from both sides; Under installing condition, steel shoe is spacing by propelling rod cylinder, forms overall situation parcel.
2. full coated multi-directional ball formula rubber bushing for thrust rod assembly according to claim 1, is characterized in that: the outer wall two ends of steel bushing are respectively equipped with the outer of projection, form the outer holding tank of closed at both ends, described axial groove is arranged on the outer of two projections.
3. according to full coated multi-directional ball formula rubber bushing for thrust rod assembly described in claim 1 or 2, it is characterized in that: steel bushing adopts solid drawn pipe to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199737.6U CN203793059U (en) | 2014-04-23 | 2014-04-23 | Fully wrapped universal ball type push rod rubber lining assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199737.6U CN203793059U (en) | 2014-04-23 | 2014-04-23 | Fully wrapped universal ball type push rod rubber lining assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203793059U true CN203793059U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420199737.6U Expired - Fee Related CN203793059U (en) | 2014-04-23 | 2014-04-23 | Fully wrapped universal ball type push rod rubber lining assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203793059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819206A (en) * | 2015-05-08 | 2015-08-05 | 福建田中机械科技股份有限公司 | Novel joint rubber core and manufacturing process thereof |
| CN107471943A (en) * | 2017-07-19 | 2017-12-15 | 十堰宝钻橡塑科技有限公司 | Rubber bushing for thrust rod assembly is wrapped up in a kind of lightweight entirely |
-
2014
- 2014-04-23 CN CN201420199737.6U patent/CN203793059U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819206A (en) * | 2015-05-08 | 2015-08-05 | 福建田中机械科技股份有限公司 | Novel joint rubber core and manufacturing process thereof |
| CN107471943A (en) * | 2017-07-19 | 2017-12-15 | 十堰宝钻橡塑科技有限公司 | Rubber bushing for thrust rod assembly is wrapped up in a kind of lightweight entirely |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20170423 |