CN104703864A - Cover member - Google Patents

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Publication number
CN104703864A
CN104703864A CN201380052060.1A CN201380052060A CN104703864A CN 104703864 A CN104703864 A CN 104703864A CN 201380052060 A CN201380052060 A CN 201380052060A CN 104703864 A CN104703864 A CN 104703864A
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CN
China
Prior art keywords
mentioned
cap assembly
open end
columnar part
maintaining part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201380052060.1A
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Chinese (zh)
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CN104703864B (en
Inventor
古贺彻
田中正显
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Nifco Inc
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Nifco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of CN104703864A publication Critical patent/CN104703864A/en
Application granted granted Critical
Publication of CN104703864B publication Critical patent/CN104703864B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/11Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00Resilient suspensions for a single wheel
    • B60G3/18Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00Pivoted suspension arms; Accessories thereof
    • B60G7/001Suspension arms, e.g. constructional features
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00Pivoted suspension arms; Accessories thereof
    • B60G7/006Attaching arms to sprung or unsprung part of vehicle, characterised by comprising attachment means controlled by an external actuator, e.g. a fluid or electrical motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00Pivoted suspension arms; Accessories thereof
    • B60G7/008Attaching arms to unsprung part of vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/10Independent suspensions
    • B60G2200/18Multilink suspensions, e.g. elastokinematic arrangements
    • B60G2200/182Multilink suspensions, e.g. elastokinematic arrangements with one longitudinal arm or rod and lateral rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10Mounting of suspension elements
    • B60G2204/14Mounting of suspension arms
    • B60G2204/143Mounting of suspension arms on the vehicle body or chassis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10Mounting of suspension elements
    • B60G2204/14Mounting of suspension arms
    • B60G2204/148Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10Mounting of suspension elements
    • B60G2204/15Mounting of subframes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/012Hollow or tubular elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10Constructional features of arms
    • B60G2206/124Constructional features of arms the arm having triangular or Y-shape, e.g. wishbone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/60Subframe construction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80Manufacturing procedures
    • B60G2206/82Joining
    • B60G2206/8209Joining by deformation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/90Maintenance
    • B60G2206/91Assembly procedures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Control Of Transmission Device (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Abstract

A column-shaped member is disposed across a sub-frame which is a closed cross-sectioned member, the mounting of the column-shaped member being such that the column-shaped member is located near and on the inside of an opening end of the sub-frame. Gaps are formed on both the left and right sides of the column-shaped member. A cover member has: a holding section which has an engagement recess which is engaged with the column-shaped member from the outside; retaining insertion sections which are extended from the holding section, are inserted into the gaps, and can expand and retract in the substantially radial direction of the column-shaped member; a closing wall section which is extended from the holding section and which closes the left and right gaps while the engagement recess is engaged with the column-shaped member; and a plate spring section which is in elastic contact with the inner surface of the sub-frame from the vertical direction.

Description

Cap assembly
Technical field
The present invention relates to cap assembly.
Background technology
In multiple field, use closed-section member, there is multiple closed-section member with its open-ended peristome.Such as, as Patent Document 1, the end disclosing the crossbeam as closed-section member of the part by the vehicle body using forming automobile is attached in sidewall panel, the open end of blocking crossbeam.
On the other hand, if the suspension arm installation of automobile is with subframe (crossbeam), has for closed cross-section structure, and there is its open-ended open end, and the parts that the mode of crossing with columnar part at this adjacent open end is fixing.As this columnar part, such as, be cylindric, utilize the bolt of the columnar part of this cylindrical shape through, subframe is fixed on vehicle body.
In the left and right of above-mentioned columnar part, between closed-section member, form gap respectively.Further, in order to prevent the foreign matter such as gravelstone or sand from entering from above-mentioned gap, the cap assembly in the above-mentioned gap of blocking is installed at the open end of closed-section member.Patent Document 2 discloses roughly half part at columnar part from the structure that the subframe as closed-section member exposes, for blocking the cap assembly in above-mentioned gap.In the cap assembly disclosed in this patent documentation 2, disclose the cap assembly with following parts: the maintaining part with the chimeric recess chimeric with the outer peripheral face of columnar part; Gap, above-mentioned left and right is inserted and the insertion section that can expand in the radial direction of columnar part or reduce from this maintaining part; And it is extended and block the closed wall portion of the pair of right and left in above-mentioned gap from the left and right end portions of maintaining part.In addition, also disclose and form embedded hole on columnar part, on the other hand, maintaining part forms the jut chimeric with this embedded hole, carries out the location of above-below direction.
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Publication 07-35260 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2012-111341 publication
Summary of the invention
Invent problem to be solved
But the columnar part being installed on the closed-section member with open end is the open end state completely in the inner part than closed-section member sometimes.In this case, be difficult to former state and be suitable for cap assembly disclosed in patent documentation 2.In addition, when cap assembly is also desirably in and is subject to vibration etc., can not inadvertently come off from closed-section member.
The present invention completes in view of above situation, its object is to provide a kind of cap assembly, when columnar part be positioned at than closed-section member open end in the inner part, blocking is formed at the gap of the left and right of columnar part, and inadvertently can not come off due to vibration.
For solving the method for problem
To achieve these goals, the present invention is a kind of cap assembly, for end construction, this end construction is in closed cross-section and have in the closed-section member of open end, columnar part is to arrange than the mode that this open end crosses in the inner part at this adjacent open end, gap is formed respectively in the left and right sides of this columnar part
Above-mentioned cap assembly has:
Maintaining part, it has the chimeric recess being embedded in the outside outer peripheral face becoming above-mentioned open end side in above-mentioned columnar part;
Insertion section, it is extended from above-mentioned maintaining part, inserting above-mentioned gap and can expand the roughly radial of above-mentioned columnar part or reduce, coming off for limiting above-mentioned maintaining part from above-mentioned open end;
Close wall portion, it is extended from above-mentioned maintaining part, under the state of outside outer peripheral face that above-mentioned chimeric recess is embedded in above-mentioned columnar part, blocks the gap of above-mentioned left and right; And
Laminated spring portion, it is extended from above-mentioned maintaining part, under the state of outside outer peripheral face that above-mentioned chimeric recess is embedded in above-mentioned columnar part, flexibly abuts from the inside face of above-below direction with above-mentioned closed-section member.
According to the present invention, be out of shape by making insertion section and insert gap, the chimeric recess of maintaining part is embedded in the outside outer peripheral face of columnar part, becomes the installation done state of cap assembly to closed-section member.Further, under this installation done state, due to the gap of packaged unit blocking left and right, therefore, the situation that the foreign matter such as gravelstone or sand enters from gap is prevented.In addition, utilize the elastic reaction in laminated spring portion, even if when being subject to the vibration vibrating, be especially subject to above-below direction, also above-mentioned installation done state reliably can be kept.
Preferred mode of the present invention is as following record.That is, in the first preferred scheme,
The mode that above-mentioned insertion section extends with the left and right end portions respectively from above-mentioned maintaining part arranges pair of right and left.In this case, by arranging pair of right and left insertion section, can guarantee the solid installation of cap assembly, be desirable.
In the second preferred scheme,
Above-mentioned insertion section has the foot extended with substantially linear from above-mentioned maintaining part, the curve turned back to this maintaining part side from the leading section of this foot,
Above-mentioned curve can by with the border of above-mentioned foot near centered by flexibly swing displacement, do not carry out the usual state acted in external force under, be in the position left significantly from this foot.In this case, the insertion section be made up of foot and curve can greatly expand in the roughly radial direction of columnar part or reduce, its result, under the installation done state of cap assembly to closed-section member, curve enters fully to the inboard back side of columnar part and can guarantee higher confining force, prevent cap assembly to come off from closed-section member in be extremely desirable.
In the 3rd preferred scheme,
Above-mentioned closed wall portion have cover above-mentioned open end main body wall portion, from the extended and flange shape inner peripheral portion that is that extend in the mode of the exterior side of the open end covering above-mentioned closed-section member of the circumference of this main body wall portion.In this case, owing to also utilizing inner peripheral portion to cover the exterior side of closed-section member, therefore, prevent more reliably foreign matter to enter from gap in be desirable.
In the 4th preferred scheme,
From the above-mentioned maintaining part also central spring portion of extended upper and lower a pair,
Under the state that above-mentioned chimeric recess is chimeric with the outside outer peripheral face of above-mentioned columnar part, the central spring portion of above-mentioned upper and lower a pair flexibly abuts with the above-mentioned outside outer peripheral face of above-mentioned columnar part.In this case, when mounting cup parts, prevent rocking or free size error at installation direction, can in position cap assembly be arranged on closed-section member, and installation terminate after can prevent more reliably due to vibration etc. come off in be desirable.
In the 5th preferred scheme,
The part forming above-mentioned chimeric recess in above-mentioned maintaining part is the tabular of the roughly arc-shaped of outside outer peripheral face along above-mentioned columnar part.In this case, do one's utmost to make the telescoping part to columnar part be thin-walled, desirable in lightweight or the minimizing of use material etc.
Invention effect
According to the present invention, can provide and prevent foreign matter from entering in closed-section member, even and if vibrated, the cap assembly that also can not unexpectedly come off.
Accompanying drawing explanation
Fig. 1 represents in one embodiment of the present invention, as the figure of an example of the subframe of application closed-section member of the present invention.
Fig. 2 represents in above-mentioned embodiment of the present invention, as open end and the block diagram of an example utilizing cap assembly of the present invention of the subframe of closed-section member.
Fig. 3 is in above-mentioned embodiment of the present invention, utilizes the birds-eye view of cap assembly of the present invention.
Fig. 4 is the front view of the cap assembly shown in Fig. 3.
Fig. 5 is the cutaway view of the X5-X5 line corresponding to Fig. 3.
Fig. 6 is the cutaway view of the X6-X6 line corresponding to Fig. 4.
Fig. 7 is the cutaway view of the X7-X7 line corresponding to Fig. 1.
Fig. 8 represents in above-mentioned embodiment of the present invention, the detailed main portion amplification view in laminated spring portion.
Fig. 9 represents in above-mentioned embodiment of the present invention, the detailed main portion amplification view in central spring portion.
Detailed description of the invention
Below, one of preferred implementation that present invention will be described in detail with reference to the accompanying.
In FIG, 1 is the subframe (sometimes also referred to as crossbeam) extended on overall width direction as closed-section member.On this subframe 1, keep wheel supporting parts 5 by trailing wheel suspension arm 2,3,4.
As shown in Figure 2, subframe 1 makes upper side member 1A integrated with lower side member 1B by utilizing welding etc., becomes closed cross sectional structure.Further, its end has the open end 1a to overall width direction outer openings.Further, open end 1a is blocked by cap assembly 10 described later.In addition, subframe 1 has left and right two place open end 1a, and the open end at this two place is mounting cup parts 10 (in FIG, representing the cap assembly 10 wherein blocking the open end 1a of left front) respectively.
At the closed cross-section internal fixtion columnar part 20 of subframe 1.As shown in Fig. 2, Fig. 6, Fig. 7, this columnar part 20 for outer peripheral face be round-shaped, further, there is the barrel shape of endoporus (through hole) 20a, in the mode of the upper wall surface with lower wall surface that link subframe 1 relative to subframe 1 fixing (such as welding).In addition, on subframe 1, form opening 1b, 1c of upper and lower a pair accordingly with the endoporus 20a of columnar part 20.Further, subframe 1 is fixed on vehicle body by pass through openings 1c, the endoporus 20a of columnar part 20, the hold-down bolt (not shown) of opening 1c.
Columnar part 20 is positioned near the open end 1a of subframe 1, and, be positioned on the whole than open end 1a in the inner part.That is, the open end 1a of subframe 1 is to leaning on outside overall width direction extended than columnar part 20.The external diameter of columnar part 20 is less fully than the left and right width near the open end 1a of subframe 1, its result, forms the pair of right and left gap α externally opened wide in the left and right of columnar part 20.
The cap assembly 10 being installed on the open end of subframe 1 on the whole for utilizing the integrally formed product of synthetic resin, cheaply manufacture and preferred in lightweight.This cap assembly 10 roughly has maintaining part 11, insertion section 12, closed wall portion 13, laminated spring portion 14, central spring portion 15, inner peripheral portion 16 (with reference to Fig. 2 to Fig. 5).
Above-mentioned maintaining part 11 has the chimeric recess 11a (with reference to Fig. 3) of the roughly semicircle arcuation of the outside outer peripheral face being embedded in columnar part 20.The part forming this chimeric recess 11a is roughly the tabular of semicircle arcuation.The above-below direction length less than the above-below direction length of columnar part 20 (roughly the above-below direction length of half) of chimeric recess 11a.
The extended insertion section 12 (with reference to Fig. 3) having the pair of right and left extended in subframe 1 near the left and right end portions of chimeric recess 11a from maintaining part 11.This insertion section 12 have extend substantially linearly foot 12A, from the extended and curve 12B that is that turn back towards chimeric recess 11a side of the leading section of foot 12A.Curve 12B can by with the boudary portion of foot 12A centered by flexibly swing, do not carry out the state acted in external force under, as shown in Figure 3, keep the state that the leading section of curve 12B leaves significantly from foot 12A.Under the state that external force does not act on insertion section 12, chimeric interval between recess 11a and the leading section of curve 12B is set as the size that columnar part 20 can insert with rocking hardly.
Maintaining part 11 has from the upper and lower end parts of chimeric recess 11a (open end 1a bearing of trend side) coupling plate portion 11b, 11c (with reference to Fig. 2) of a pair up and down of extending laterally.In addition, there is a pair coupling plate portion 11d, 11e up and down of the pair of right and left extended laterally from the left and right end portions of chimeric recess 11a.By each coupling plate portion 11b, 11c, 11d, 11e, Special composition K, this space K opening laterally.Maintaining part 11, except the chimeric recess 11a part being respectively tabular, utilizes each coupling plate portion 11b, 11c, 11d, 11e to become box structure, defined basis K and lightweight, and has sufficient rigidity.
The extended closed wall portion 13 having from the edge, outside of above-mentioned each coupling plate portion 11b, 11c, 11d, 11e direction vertically and horizontally extend.Under the state that chimeric recess 11a is entrenched in columnar part 20, for closed wall portion 13 abuts or proximity state with the edge of open end 1a, the open end 1a i.e. gap α of left and right is blocked.
The part extended along the direction roughly orthogonal with subframe 1 in above-mentioned closed wall portion 13 is main body wall portion 13A.Further, by making the edge, left and right of main body wall portion 13A and lower edge with flange shape extended, inner peripheral portion 13B (with reference to Fig. 2) is formed.This inner peripheral portion 13B covers the outer peripheral face of the open end edge of subframe 1.
The extended connecting part 17 having roughly U-shaped of upper end edge portion of the left and right directions central portion of chimeric recess 11a from maintaining part 11.The laminated spring portion 14 extended upward is had from the rising wood of the left and right directions central portion of this connecting part 17 is extended.As shown in Figure 7, Figure 8, this laminated spring portion 14 is with along with being tapered and mode (mode towards the extending direction of open end 1a) is toward the outer side formed upward.Laminated spring portion 14 is when being entrenched in columnar part 20 by chimeric recess 11a, and its leading section flexibly abuts with the upper wall inside face of subframe 1.In addition, in fig. 8, the leading section of display plate spring 14 is not subject to the free state of external force, in fact, abuts under the state of its leading section elastic deformation with the upper wall inside face of subframe 1.
As shown in Fig. 6, Fig. 7, Fig. 9, in the substantially central portion up and down of maintaining part 11, in the face of chimeric recess 11a side, the central spring portion 15 of extended upper and lower a pair.This central spring portion 15 of upper and lower a pair is with along with to be tapered towards its front end and the mode (mode close to columnar part 20) left from chimeric recess 11a is formed.With the mode making chimeric recess 11a be embedded in columnar part 20 close to time, central spring portion 1 abuts with the outer peripheral face of columnar part 20.In addition, in fig .9, represent that the leading section in central spring portion 15 is not subject to the free state of external force, in fact, abut with the outer peripheral face of columnar part 20 under the state of its leading section elastic deformation.
At the projection piece 18 (with reference to Fig. 2) of the extended pair of right and left of rising wood of closed wall portion 13 (main body wall portion 13A).This projection piece 18 is the thin-walled roughly the same with the wall thickness of closed wall portion 13, is also the extension from closed wall portion 13.Further, above-mentioned laminated spring portion 14 can be seen between the projection piece 18 of pair of right and left.
In structure such above, in order to cap assembly 10 is installed on subframe 1, first, be formed in the gap α of the left and right of columnar part 20 so that the insertion section 12 of pair of right and left is inserted, further, the mode that the chimeric recess 11a of maintaining part 11 is chimeric with the outside outer peripheral face of columnar part 20 makes cap assembly close to subframe 1.
Insertion section 12 is when by gap α, with the mode elastic deformation of the leading section of its curve 12B close to foot 12A, when the leading section of curve 12B is completely by gap α, elastic reset, as shown in Figure 6, the leading section of curve 12B abuts with the inboard outer peripheral face of columnar part 20.In this condition, for the state that chimeric recess 11a is chimeric with the outside outer peripheral face of columnar part 20, but central spring portion 15 flexibly abuts with the outside outer peripheral face of columnar part 20, make columnar part 20 from radial direction tightly and the installation done state flexibly kept for utilizing chimeric recess 11a (central spring portion 15) and curve 12B.Under this installation done state, for the projection piece 18 of pair of right and left abuts or close state with the open end edge of subframe 1.
Under the installation done state shown in Fig. 6, Fig. 7, close the open end 1a (i.e. gap α) that wall portion 13 blocks subframe 1.Thus, prevent foreign matter from entering the state of affairs in subframe 1 by open end 1a.Especially, under installation done state, inner peripheral portion 13B covers the open end edge of subframe 1 from outer circumferential side, therefore, can reliably prevent foreign matter from being entered in subframe 1 by open end 1a further.
Under the installation done state of cap assembly 10, laminated spring portion 14 flexibly abuts with the upper wall inside face of subframe 1, therefore, even if the vibration of the vibration in being travelled, especially above-below direction, also can reliably keep installing done state.Can confirm between the projection piece 18 of whole pair of right and left, laminated spring portion 14 abuts with the upper wall inside face elasticity of subframe 1 tightly.
Abutted by the elasticity utilizing the elasticity of the above-below direction in laminated spring portion 14 to abut, utilize the radial direction (overall width direction) of the columnar part 20 in central spring portion 15, cap assembly 10 is flexibly installed on subframe 1 in all directions up and down, can prevent it from rocking fully.In addition, utilize laminated spring portion 14 to compensate the scale error etc. of above-below direction, and, utilize central spring portion 15 to compensate the scale error of the radial direction of columnar part 20.
Above embodiment is illustrated, but the present invention is not defined in embodiment, can the scope described in claimed scope suitably changes.Cap assembly of the present invention is not limited to subframe, can be applicable to the suitable closed-section member with open end.Laminated spring portion 14 can abut with the lower internal face of subframe 1, also can arrange the upper plate spring abutted with the upper internal face of subframe 1 and the lower plate spring both sides abutted with the lower internal face of subframe 1.As insertion section 12, can not especially have curve 12B, make its foot 12A be winding columnar part 20 roughly arc-shaped, and, the elastomeric radial of columnar part 20, can select suitable shape.Insertion section 12 can only arrange left and right either party.Certainly, object of the present invention is not limited to the object clearly recorded, and certainly comprises the object providing in fact preferably or show as advantage.
Utilizability in industry
The present invention can as such as block automobile subframe open end cap assembly and be suitable for.
In addition, quote the full content of specification sheets, claims, accompanying drawing and the specification digest of No. 2012-227673rd, the Japanese patent application of application on October 15th, 2012 at this, adopt as the open of specification sheets of the present invention.

Claims (6)

1. a cap assembly, for end construction, this end construction is in closed cross-section and have in the closed-section member of open end, columnar part is arranged in the mode of crossing in the inner part than this open end at this adjacent open end, gap is formed respectively in the left and right sides of this columnar part, the feature of this cap assembly is
Above-mentioned cap assembly has:
Maintaining part, it has the chimeric recess being embedded in the outside outer peripheral face becoming above-mentioned open end side in above-mentioned columnar part;
Insertion section, it is extended from above-mentioned maintaining part, inserting above-mentioned gap and can expand the roughly radial of above-mentioned columnar part or reduce, coming off for limiting above-mentioned maintaining part from above-mentioned open end;
Close wall portion, it is extended from above-mentioned maintaining part, under the state of outside outer peripheral face that above-mentioned chimeric recess is embedded in above-mentioned columnar part, blocks the gap of above-mentioned left and right; And
Laminated spring portion, it is extended from above-mentioned maintaining part, under the state of outside outer peripheral face that above-mentioned chimeric recess is embedded in above-mentioned columnar part, flexibly abuts from the inside face of above-below direction with above-mentioned closed-section member.
2. cap assembly according to claim 1, is characterized in that,
The mode that above-mentioned insertion section extends with the left and right end portions respectively from above-mentioned maintaining part arranges pair of right and left.
3. cap assembly according to claim 1 and 2, is characterized in that,
Above-mentioned insertion section has the foot extended with substantially linear from above-mentioned maintaining part, the curve turned back to this maintaining part side from the leading section of this foot,
Above-mentioned curve can by with the border of above-mentioned foot near centered by flexibly swing displacement, do not carry out the usual state acted in external force under, be in the position left significantly from this foot.
4. the cap assembly according to any one of claims 1 to 3, is characterized in that,
Above-mentioned closed wall portion have cover above-mentioned open end main body wall portion, from the extended and flange shape inner peripheral portion that is that extend in the mode of the exterior side of the open end covering above-mentioned closed-section member of the circumference of this main body wall portion.
5. the cap assembly according to any one of Claims 1 to 4, is characterized in that,
From the above-mentioned maintaining part also central spring portion of extended upper and lower a pair,
Under the state that above-mentioned chimeric recess is chimeric with the outside outer peripheral face of above-mentioned columnar part, the central spring portion of above-mentioned upper and lower a pair flexibly abuts with the above-mentioned outside outer peripheral face of above-mentioned columnar part.
6. the cap assembly according to any one of Claims 1 to 5, is characterized in that,
In above-mentioned maintaining part, the part that forms above-mentioned chimeric recess is the tabular of the roughly arc-shaped of outside outer peripheral face along above-mentioned columnar part.
CN201380052060.1A 2012-10-15 2013-10-11 Cover member Active CN104703864B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012227673A JP5995649B2 (en) 2012-10-15 2012-10-15 Cover member
JP2012-227673 2012-10-15
PCT/JP2013/077812 WO2014061603A1 (en) 2012-10-15 2013-10-11 Cover member

Publications (2)

Publication Number Publication Date
CN104703864A true CN104703864A (en) 2015-06-10
CN104703864B CN104703864B (en) 2017-05-17

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JP (1) JP5995649B2 (en)
CN (1) CN104703864B (en)
MX (1) MX356080B (en)
WO (1) WO2014061603A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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JP2014080056A (en) 2014-05-08
CN104703864B (en) 2017-05-17

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