CN2476429Y

CN2476429Y - Improved fixed bolt for truck wheel

Info

Publication number: CN2476429Y
Application number: CN 01208009
Authority: CN
Inventors: 陈木村
Original assignee: Chenchang Industry Co ltd
Current assignee: Chenchang Industry Co ltd
Priority date: 2001-03-15
Filing date: 2001-03-15
Publication date: 2002-02-13
Anticipated expiration: 2011-03-15

Abstract

The utility model relates to a fixed bolt of improved truck wheel. An inner end of a bolt body is screwed down on an inner threaded cap through a wheel hub; an outer end of the bolt crosses an inner rim and an outer rim in sequence, and then is screwed down on an outer threaded cap. A middle part of the bolt forms a block part which is locked on the wheel hub; an outer side wall of the inner is provided with a snap ring which is screwed down with the bolt; the outer side wall of the outer threaded cap is locked on a cover. The utility model enables the truck wheel combination more easily and stably, which effectively promotes the inner threaded cap in the bolt anti release and the outer threaded cap dustproof, rustproof and clamp down proof.

Description

The truck wheel bolt of rear end plate of improvement

The utility model provides a kind of truck wheel bolt of rear end plate of improvement, be meant a kind of special construction of fastening body, interior nut and exterior nut cap combination vehicle wheel hub portion and inside and outside wheel rim especially, can make the combination of truck wheel simpler and easy, firm, and the interior nut that effectively impels key has anti-loosely, and exterior nut cap has dustproof, antirust and anti-jamming multiple practical effect.

As everyone knows, the wheel of truck or high-mechanic type passenger vehicle, be to cooperate nut and wheel hub portion and inside and outside wheel rim to be connected and fixed by two ends of most bolts, therefore bolt is very important for the use of truck wheel, general existing truck wheel bolt of rear end plate, only locate in the assembling of wheel hub portion and inside and outside wheel rim merely, its major defect is: the assembling of bolt of rear end plate commonly used is more not convenient, its safety and steadiness are all relatively poor, especially bolt is radially loosening, inside and outside nut anti-loose and dustproof, rust-proof effect is relatively poor.

At above-mentioned defective, the inventor through development research chronically, creates the technical solution of the utility model in manufacturing development and the design experiences of being engaged in Related product for many years eventually.

Main purpose of the present utility model is to provide a kind of truck wheel bolt of rear end plate of improvement, be meant the special construction of a kind of key, interior nut and exterior nut cap combination vehicle wheel hub portion and inside and outside wheel rim especially, overcome the drawback of prior art, reach and make the combination of truck wheel simpler and easy, firm, and the interior nut that effectively impels key has anti-loosely, and exterior nut cap has dustproof, antirust and anti-jamming purpose.

The purpose of this utility model is achieved in that a kind of truck wheel bolt of rear end plate of improvement, comprise that key the inner passes wheel hub portion and screw togather interior fixed by nut, in the key outer end is passed in regular turn, behind the outer rim, screwing togather exterior nut cap again fixes, it is characterized in that: the key stage casing is distinguished into the outside body of rod of big external diameter and the inboard body of rod of less external diameter, outside being somebody's turn to do, inboard body of rod surface forms outside thread near the end, form smooth side near the key stage casing, this key stage casing forms the engagement section, each becomes recessed section in circle footpath, outboard beam surface two sides of fastening the body stage casing for it, one side in this section and the external diameter junction of the outside body of rod are protruded and are formed limit body, one side of this limit body and this section coincide and are same plane, another side and the outboard beam body diameter of this limit body form suitable angle, the inboard body of rod of this key penetrates the perforation of wheel hub portion, this side of boring a hole forms draw-in groove, it is the section form that cooperates engagement section, key stage casing, and the engagement section of this key engages with the draw-in groove of wheel hub portion;

Interior nut is screwed together in the external thread part of key in the inboard body of rod, the outer peripheral edges of nut outer end wall add the ring that cast becomes to protrude in being somebody's turn to do, its inner peripheral forms inner groove, the outer end wall subsides that snap in snap ring and interior nut are touched, this snap ring inner peripheral forms most and fixes sheet, its ora terminalis radian is identical with the screw radian of interior nut, and each fixes the screw internal diameter of the relative internal diameter of sheet less than interior nut, and the fixing sheet ora terminalis of the snap ring of interior nut screws in the packing location in addition, outside thread groove inside that is packed in the inboard body of rod;

Exterior nut cap is screwed together in the external thread part of key in the outside body of rod, and with inside and outside wheel rim sealed location in addition, the outer peripheral edges of this exterior nut cap outer end wall add the ring body that cast becomes to protrude, and its inner peripheral forms annular groove;

The outer end of protecting cover is a closed, protecting cover the inner has opening, ora terminalis forms two relative card bodies near the opening periphery in this protecting cover, its inner rim and protecting cover inner end wall form appropriate gap, this two cards body cooperates the annular groove internal diameter of exterior nut cap outer end wall ring body to be snapped in the location, the salient of the outer end wall of this protecting cover sealing exterior nut cap and the key outside body of rod.

This protecting cover surface is provided with the specific markers that cooperates this screw thread that hides nut to turn to.Ora terminalis forms a circle card bulge loop near the opening periphery in this protecting cover, and external diameter cooperates the annular groove internal diameter engaging location of exterior nut cap outer end wall ring body.

Major advantage of the present utility model is to have and makes the combination of truck wheel simpler and easy, firm, and it is anti-loose effectively to impel the interior nut of key to have, and exterior nut cap has dustproof, antirust and anti-jamming effect.

Further specify below in conjunction with preferred embodiment and accompanying drawing.

Fig. 1 is the decomposing schematic representation of the utility model and wheel hub portion and inside and outside wheel rim.

Fig. 2 is a decomposing schematic representation of the present utility model.

Fig. 3 is the end face generalized section of engagement section, the utility model key stage casing.

Fig. 4 is the combination generalized section of the utility model and wheel hub portion and inside and outside wheel rim.

Fig. 5 is the combination generalized section of embodiment 2 protecting covers of the present utility model and truck wheel bolt.

Fig. 6 is the combination generalized section of embodiment 2 protecting covers of the present utility model and truck wheel bolt.

Fig. 7 is the decomposing schematic representation of protecting cover embodiment 3 of the present utility model.

Embodiment 1

Consult Fig. 1-shown in Figure 4, the truck wheel bolt of rear end plate of improvement of the present utility model comprises:

Key 10, be to be distinguished into the outside body of rod 101 of big external diameter and the inboard body of rod 102 of less external diameter by the stage casing, outside being somebody's turn to do, the inboard body of

rod

101 and 102 surfaces form outside thread near the end, form smooth side 103 near key 10 stage casings, 104, form engagement section 11 in key 10 stage casings, each becomes recessed section 111 in the circle footpath, the outside body of rod 101 surface in key 10 stage casings two sides, so that form drop retaining edge 112 between two sections 111 and the outside body of rod 101 external diameters, in wherein a side in a section 111 and the external diameter junction of the outside body of rod 101, protrude and form a limit body 113, one side 114 of this limit body 113 coincide with this section 111 and is same plane, another side 115 in limit body 113 forms suitable angle with the outside body of rod 101 external diameters, so that key 10 utilizes the inboard body of rod 102 to penetrate the perforation 2 of wheel hub portion 1, these 2 one sides of boring a hole form draw-in groove 5, it cooperates the section form of engagement section, key 10 stage casing 11, and then impel key 10 to utilize engagement section 11 to engage with the draw-in groove 5 of wheel hub portion 1, prevent radially turn of key 10, make in addition block of drop retaining edge 112 that the wall of wheel hub portion 1 is subjected to the outside body of rod 101, this moment, the external thread part of the inboard body of rod 101 protruded from wheel hub portion 1 side suitable length in addition, make in the outside body of rod 101 of key 10 passes in regular turn, outer rim 3, behind 4 the through hole 301 and 40, make the external thread part of the outside body of rod 101 protrude from outer rim 4 lateral surface suitable lengths;

Interior nut 20 is screwed together in the external thread part of the inboard body of rod 102, the outer peripheral edges of nut 20 outer end wall add the ring 21 that cast becomes a protrusion in being somebody's turn to do, its inner peripheral forms inner groove 211, snapping in snap ring 22 touches with the outer end wall subsides of interior nut 20, these snap ring 22 inner peripherals form most and fix sheet 221, screw 201 radians of its ora terminalis radian and interior nut 20 slightly together, and make and respectively fix screw 201 internal diameters of sheet 221 relative internal diameters less than interior nut 20, so that interior nut 20 is when screwing togather the inboard body of rod 102 packing wheel hub portions, interior nut 20 utilizes fixing sheet 221 ora terminalis of snap ring 22 to screw in the outside thread inside be packed in the inboard body of rod 1 02, in addition the packing location;

Exterior nut cap 30 is screwed together in the external thread part of key 10 outside bodies of rod 101, and with inside and outside wheel rim 3,4 sealed location in addition, the outer peripheral edges of these exterior nut cap 30 outer end wall add cast and become a ring body 31 that protrudes, and its inner peripheral forms annular groove 311;

The outer end of protecting cover 40 is a closed, protecting cover 40 inner tool one openings 401, make these protecting cover 40 interior ora terminalis form two relative card bodies 402 near opening 401 peripheries, its inner rim and protecting cover 40 inner end wall form appropriate gap, two card bodies 402 cooperate annular groove 311 internal diameters of exterior nut cap 30 outer end wall ring bodies 31 and are snapped in the location again, length in protecting cover 40 is slightly larger than in exterior nut cap 30 lockings in addition, outer rim 3, after 4, the outside body of rod 101 of key 10 protrudes from the length of exterior nut cap 30 outer end wall, the outer end wall thickness of this protecting cover 40 is less than protecting cover 40 outside diameter wall thickness, make the slightly suitable elasticity of compression of tool of protecting cover 40 outside diameter wall, and then utilize the outer end wall of protecting cover 40 sealing exterior nut caps 30 and the salient of key 10 outside bodies of rod 101.

Above-mentionedly the relevant position of structure of the present utility model, feature and combination thereof is described in detail, more distinguished for making the purpose of this utility model, feature and effect, below be described as follows with regard to its effect, advantage of using situation and expection to reach:

Consult Fig. 1-shown in Figure 4, major advantage of the present utility model is as follows:

1, it is simple and easy that the member composition simply reaches the composite card wheel:

The utility model only need utilize key 10 to cooperate inside and outside

nut

20,30, can wheel hub portion 1 and inside and outside wheel rim 3,4 is sealed firm, therefore the inconvenience of a central siphon element that must lock of general bolt be can omit, and then member simplification, cost-cutting and the easy more Practical Benefit of truck wheel assembling reached.

2, prevent that effectively bolt of rear end plate is radially loosening and guarantee the safety that the truck wheel travels:

Key 10 of the present utility model utilizes the engagement section 11 in stage casing to engage with the draw-in groove 5 of wheel hub portion 1, this engagement section 11 fixes except utilizing the section 111 and the shape draw-in groove 5 that waits of wheel hub portion 1, radially outside the turn, other adds that the protrusion of limit body 113 engages with draw-in groove 5, the specific formation of this limit body 113 utilizes a side 114 to impel the moment lengthening in a section 111, so can increase key 10 stressed degree radially, and then prevent that effectively bolt of rear end plate is radially loosening, and guarantee the safety that the truck wheel travels.

3, effectively prevent in nut 20 get loose and strengthen the safety that truck wheel travels:

Because after the truck wheel utilizes the sealed location of bolt of rear end plate, key 10 rear ends and interior nut 20 locking wheel hub portions 1 belong to the normality locking and can not dismantle easily, more inboard being difficult for that is positioned at truck wheel owing to interior nut 20 inspects, so in nut 20 must strengthen locking and prevent to get loose and cause danger, therefore nut 20 screws togather key 10 and packing wheel hub portion 1 time in of the present utility model, the snap ring 22 of interior nut 20 outer end wall utilizes and fixes the outside thread groove inside that sheet 221 ora terminalis screw-in is packed in the inboard body of rod 102, and then the relation of screwing togather of impelling interior nut 20 keys 10 adds the chucking locking effect in another road, and then nut 20 lockings are certain in reaching, and effectively prevent to get loose and guarantee the safety that the truck wheel travels more.

4, effectively prevent exterior nut cap 30 long-pending attached dust and dirt and corrosions:

Because the exterior nut cap 30 regular truck wheel outsides that are exposed to, so external thread part of the exterior nut cap 30 and key 10 outside bodies of rod 101, very easily amass attached dust and dirt and corrosion, so cause exterior nut cap 30 stuck and not quick detachable easily, so produce inconvenience greatly for changing the outfit of truck wheel, therefore exterior nut cap 30 outer end wall of the present utility model are utilized annular groove 311 engagings of ring body 31 to expand and are covered 40, can seal the outer end wall of exterior nut cap 30 and the salient of key 10 outside bodies of rod 101 with this, and then prevent that effectively dust and dirt from amassing attached and corrosion, in addition, this protecting cover 40 has the suitable elasticity of compression, so assembling and convenient disassembly have splendid utilization benefit in fact.

Embodiment 2

Consult shown in Fig. 5-6, protecting cover 40 of the present utility model also may be implemented on the various bolt 6 or 7 of multiple vehicle and uses, only need to be formed with ring body 31 and annular groove 311 equally in the exterior nut cap outer end wall of various bolt, and make the length of the length cooperation key evagination of protecting cover 40 be engaged sealing, and then impel protecting cover 40 of the present utility model to have better utilization benefit.

Embodiment 3

Consult shown in Figure 7, the truck wheel bolt of rear end plate of a kind of improvement of the present utility model, wherein ora terminalis also can form a circle card bulge loop 403 near opening 401 peripheries in this protecting cover 40, and its external diameter just can cooperate annular groove 311 internal diameters of exterior nut cap 30 outer end wall ring bodies 31 and be engaged the location.

The truck wheel bolt of rear end plate of a kind of improvement of the present utility model, wherein these protecting cover 40 surfaces can cooperate the screw thread of the nut that hides to turn to, and moulding specific color or mark and then can assist dismounting nut person to recognize screwing of nut or unscrew to turn to, and can avoid nut hand of rotation mistake and damage.

In sum, the utility model provides a kind of truck wheel bolt of rear end plate of improvement, and it has really reached all purposes of the present utility model, and its unitized construction does not see like product, also be not disclosed in application before, have novelty, creativeness and practicality.

Claims

1, a kind of truck wheel bolt of rear end plate of improvement, comprise that key the inner passes wheel hub portion and screw togather interior fixed by nut, in the key outer end is passed in regular turn, behind the outer rim, screwing togather exterior nut cap again fixes, it is characterized in that: the key stage casing is distinguished into the outside body of rod of big external diameter and the inboard body of rod of less external diameter, outside being somebody's turn to do, inboard body of rod surface forms outside thread near the end, form smooth side near the key stage casing, this key stage casing forms the engagement section, each becomes recessed section in circle footpath, outboard beam surface two sides of fastening the body stage casing for it, one side in this section and the external diameter junction of the outside body of rod are protruded and are formed limit body, one side of this limit body and this section coincide and are same plane, another side and the outboard beam body diameter of this limit body form suitable angle, the inboard body of rod of this key penetrates the perforation of wheel hub portion, this side of boring a hole forms draw-in groove, and it is the section form that cooperates engagement section, key stage casing, and the engagement section of this key engages with the draw-in groove of wheel hub portion; Interior nut is screwed together in the external thread part of key in the inboard body of rod, the outer peripheral edges of nut outer end wall add the ring that cast becomes to protrude in being somebody's turn to do, its inner peripheral forms inner groove, the outer end wall subsides that snap in snap ring and interior nut are touched, this snap ring inner peripheral forms most and fixes sheet, its ora terminalis radian is identical with the screw radian of interior nut, and each fixes the screw internal diameter of the relative internal diameter of sheet less than interior nut, and the fixing sheet ora terminalis of the snap ring of interior nut screws in the packing location in addition, outside thread groove inside that is packed in the inboard body of rod; Exterior nut cap is screwed together in the external thread part of key in the outside body of rod, and with inside and outside wheel rim sealed location in addition, the outer peripheral edges of this exterior nut cap outer end wall add the ring body that cast becomes to protrude, and its inner peripheral forms annular groove; The outer end of protecting cover is a closed, protecting cover the inner has opening, ora terminalis forms two relative card bodies near the opening periphery in this protecting cover, its inner rim and protecting cover inner end wall form appropriate gap, this two cards body cooperates the annular groove internal diameter of exterior nut cap outer end wall ring body to be snapped in the location, the salient of the outer end wall of this protecting cover sealing exterior nut cap and the key outside body of rod.

2, the truck of improvement according to claim 1 wheel bolt of rear end plate, it is characterized in that: this expansion cap surface is provided with the specific markers that cooperates this screw thread that hides nut to turn to.

3, the truck of improvement according to claim 1 wheel bolt of rear end plate is characterized in that: ora terminalis forms a circle card bulge loop near the opening periphery in this protecting cover, and external diameter cooperates the annular groove internal diameter engaging location of exterior nut cap outer end wall ring body.