阅读说明：本技术 一种补偿公差的紧固系统 (Fastening system for compensating tolerance ) 是由 顾拥军 于 2021-08-09 设计创作，主要内容包括：本发明提供了一种补偿公差的紧固系统,其可实现外钣金件和内安装钣金件之间的间隙和面差调整,减小装配误差,提高装配效率；其包括依次连接的外钣金件、内钣金件、把手基座,所述把手基座上装有把手本体,所述外钣金件上开设有容纳所述把手本体的容纳口,其还包括调节帽,所述把手基座上设有安装孔,所述调节帽装配于所述安装孔中,连接件穿过所述调节帽后将所述把手基座一并锁紧于所述内钣金件上,且满足所述连接件的轴向力大于所述调节帽与所述安装孔之间的摩擦力,位于所述把手本体位置处的所述把手基座上设有第一锁定件,并可操作地朝向所述外钣金件上的第二锁定件方向运动,直至与所述第二锁定件卡接。(The invention provides a fastening system for compensating tolerance, which can realize the adjustment of the gap and the surface difference between an outer sheet metal part and an inner installation sheet metal part, reduce the assembly error and improve the assembly efficiency; it is including the outer sheet metal component, interior sheet metal component, the handle base that connect gradually, the handle body is equipped with on the handle base, seted up on the outer sheet metal component and held the mouth that holds of handle body, it is still including adjusting the cap, be equipped with the mounting hole on the handle base, adjust the cap assembly in the mounting hole, the connecting piece passes behind the regulation cap will the handle base lock in the lump in on the interior sheet metal component, and satisfy the axial force of connecting piece is greater than adjust the cap with frictional force between the mounting hole is located handle body position department be equipped with first locking piece on the handle base to operably orientation second locking piece direction motion on the outer sheet metal component, until with second locking piece joint.)

1. The utility model provides a fastening system of compensation tolerance, its includes outer sheet metal component, interior sheet metal component, the handle base that connects gradually, be equipped with the handle body on the handle base, seted up on the outer sheet metal component and held the mouth that holds of handle body, its characterized in that: it is still including adjusting the cap, be equipped with the mounting hole on the handle base, adjust the cap assembly in the mounting hole, the connecting piece passes will behind the regulation cap the handle base lock in the lump in on the interior sheet metal component, and satisfy the axial force of connecting piece is greater than adjust the cap with frictional force between the mounting hole is located handle body position department be equipped with first locking piece on the handle base, and operably orientation second locking piece direction motion on the outer sheet metal component, until with second locking piece joint.

2. A tolerance compensating fastening system as claimed in claim 1, wherein: and a projection welding nut is arranged on the inner sheet metal part, and the connecting piece penetrates through the adjusting cap and then locks the handle base on the projection welding nut.

3. A tolerance compensating fastening system as claimed in claim 1, wherein: the handle base both ends are equipped with the hangers respectively, have all seted up on the hangers at both ends the mounting hole, all be equipped with in the mounting hole adjust the cap.

4. A tolerance compensating fastening system as claimed in claim 1, wherein: a through hole is formed in the center of the adjusting cap; the connecting piece adopts the cap bolt, and the aperture of the through hole is larger than the outer diameter of the stud part of the cap bolt and smaller than the outer diameter of the nut part of the cap bolt.

5. A tolerance compensating fastening system as claimed in claim 1, wherein: the handle base is provided with a positioning groove, the first locking piece comprises a positioning block, the positioning block is fixed in the positioning groove, and the side surface of the positioning block is provided with an elastic clamping hook.

6. A tolerance compensating fastening system according to claim 5, wherein: the second locking piece is including arranging in the board of bending in the constant head tank, bend the board with outer sheet metal component structure as an organic whole, bend set up on the board with elasticity pothook looks joint complex bayonet socket.

7. A tolerance compensating fastening system as claimed in claim 1, wherein: the handle base is provided with a positioning rib, so that when the outer sheet metal part, the inner sheet metal part and the handle base are in a locking and fixing state, the positioning rib is tightly propped against the outer sheet metal part.

8. A tolerance compensating fastening system according to any one of claims 2 to 7 wherein: the outer wall of the adjusting cap is provided with an external thread groove, and an internal convex edge is arranged in the mounting hole.

9. A tolerance compensating fastening system according to claim 8, wherein: the lower part of the outer wall of the adjusting cap is provided with an elastic bulge.

10. A tolerance compensating fastening system according to any one of claims 2 to 7 wherein: the adjusting cap outer wall is provided with one-way barbs, and barb clamping edges matched with the one-way barbs are manufactured on the inner wall of the mounting hole.

Technical Field

The invention relates to the technical field of automobile part assembly, in particular to a fastening system for compensating tolerance.

Background

What adopt between the outer sheet metal component of present hidden door knob handcart type and the interior installation sheet metal component is that sticky mode is connected, and this can make assembly error great, and the clearance and the face between the unable outer sheet metal of adjustment of this assembly method and the interior installation sheet metal are poor, and assembly efficiency is low.

Disclosure of Invention

In view of the above problems, the present invention provides a tolerance compensating fastening system that can achieve gap and surface difference adjustment between an outer sheet metal part and an inner mounting sheet metal part, reduce assembly errors, and improve assembly efficiency.

The technical scheme is as follows:

the utility model provides a fastening system of compensation tolerance, its includes outer sheet metal component, interior sheet metal component, the handle base that connects gradually, be equipped with the handle body on the handle base, seted up on the outer sheet metal component and held the mouth that holds of handle body, its characterized in that: it is still including adjusting the cap, be equipped with the mounting hole on the handle base, adjust the cap assembly in the mounting hole, the connecting piece passes will behind the regulation cap the handle base lock in the lump in on the interior sheet metal component, and satisfy the axial force of connecting piece is greater than adjust the cap with frictional force between the mounting hole is located handle body position department be equipped with first locking piece on the handle base, and operably orientation second locking piece direction motion on the outer sheet metal component, until with second locking piece joint.

Furthermore, a projection welding nut is arranged on the inner sheet metal part, and the connecting piece penetrates through the adjusting cap and then locks the handle base on the projection welding nut;

furthermore, hanging lugs are respectively arranged at two ends of the handle base, the hanging lugs at the two ends are respectively provided with the mounting holes, and the adjusting caps are respectively arranged in the mounting holes;

furthermore, a through hole is formed in the center of the adjusting cap; the connecting piece adopts a cap bolt, and the aperture of the through hole is larger than the outer diameter of a stud part of the cap bolt and smaller than the outer diameter of a nut part of the cap bolt;

furthermore, a positioning groove is formed in the handle base, the first locking piece comprises a positioning block, the positioning block is fixed in the positioning groove, and an elastic clamping hook is arranged on the side surface of the positioning block;

further, the second locking piece comprises a bending plate arranged in the positioning groove, the bending plate and the outer sheet metal part are of an integral structure, and a bayonet matched with the elastic clamping hook in a clamping manner is formed in the bending plate;

furthermore, a positioning rib is arranged on the handle base, so that when the outer sheet metal part, the inner sheet metal part and the handle base are in a locking and fixing state, the positioning rib is tightly propped against the outer sheet metal part;

furthermore, an external thread groove is formed in the outer wall of the adjusting cap, and an internal convex edge is arranged in the mounting hole;

furthermore, the lower part of the outer wall of the adjusting cap is provided with an elastic bulge;

further, it is equipped with one-way barb to adjust the cap outer wall, mounting hole inner wall system has the barb card limit with one-way barb matched with.

The automobile hidden door handle has the advantages that the handle base can be locked on the inner sheet metal part after the connecting piece penetrates through the adjusting cap, the outer sheet metal part, the inner sheet metal part and the handle base can be locked and fixed after the axial force of the connecting piece is larger than the friction force between the adjusting cap and the mounting hole, and meanwhile, the first locking piece moves towards the direction of the second locking piece on the outer sheet metal part until the first locking piece is clamped with the second locking piece in the locking process, so that the fastening assembly of the automobile hidden door handle is completed, the gap and surface difference adjustment between the outer sheet metal part and the inner sheet metal part can be effectively realized, the assembly error is reduced, and the assembly efficiency is improved.

Drawings

FIG. 1 is a schematic bottom view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention in an exploded state;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic top view of the handle body of the present invention with the handle body hidden;

FIG. 5 is an enlarged schematic view of FIG. 4 at I;

FIG. 6 is a schematic view of the handle base of the present invention;

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 6;

FIG. 8 is a schematic structural view of a suspension loop according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of an adjustment cap according to a first embodiment of the present invention;

FIG. 10 is a schematic sectional view of an assembled adjustment cap according to an embodiment of the present invention

FIG. 11 is an enlarged partial sectional view of the first embodiment of the present invention;

fig. 12 is a schematic sectional view of an assembled adjustment cap according to a second embodiment of the present invention.

Detailed Description

Example one

As shown in fig. 1-11, the invention relates to a fastening system for compensating tolerance, which comprises an outer sheet metal part 5, an inner sheet metal part 4, a handle base 2, a handle body 6 is arranged on the handle base 2, an accommodating port 7 for accommodating the handle body 6 is arranged on the outer sheet metal part 5, the fastening system further comprises an adjusting cap 1, a mounting hole 8 is arranged on the handle base 2, the adjusting cap 1 is assembled in the mounting hole 8, the connecting piece passes through the adjusting cap 1 and then locks the handle base 2 on the inner sheet metal part 4 together, and the axial force of the connecting piece is greater than the friction force between the adjusting cap 1 and the mounting hole 8, a first locking piece is arranged on the handle base 2 at the position of the handle body 6, and the fastening system can move towards the direction of a second locking piece on the outer sheet metal part 5 in an operable manner until being clamped with the second locking piece.

Be equipped with projection nut 9 on the interior sheet metal component 4, the connecting piece passes behind adjusting cap 1 and locks handle base 2 in the lump in projection nut 9.

2 hanging lugs 10 are respectively arranged at two ends of the handle base 2, mounting holes 8 are respectively formed in 4 hanging lugs 10 at two ends, and adjusting caps 1 are respectively arranged in the mounting holes 8; an outer thread groove 18 is formed in the outer wall of the adjusting cap 1, an inner convex edge 19 is arranged in the mounting hole 8 to form an inner thread, and therefore the adjusting cap 1 and the hanging lug 10 are matched through the outer thread groove 18 and the inner convex edge 19 to form thread assembly; the lower part of the outer wall of the adjusting cap 1 is provided with an elastic bulge 20 to increase the friction force between the adjusting cap and the mounting hole 8; the center of the adjusting cap 1 is provided with a through hole 11; the connecting piece adopts the cap bolt 3, and the aperture of the through hole 11 is larger than the outer diameter of the stud part of the cap bolt 3 and smaller than the outer diameter of the nut part of the cap bolt 3.

The handle base 2 is provided with a positioning groove 12, the first locking piece comprises a positioning block 13, the positioning block 13 is fixed in the positioning groove 12, and the side surface of the positioning block 13 is provided with an elastic hook 14; the second locking piece comprises a bending plate 15 arranged in the positioning groove 12, the bending plate 15 and the outer sheet metal part 5 are of an integral structure, and a bayonet 16 which is in clamping fit with the elastic clamping hook 14 is arranged on the bending plate 15; the resilient catch 14 snaps into the catch 16 to effect the X, Z-oriented positioning of the handle base 2.

Be equipped with location muscle 17 on the handle base 2 to when the sheet metal component 5, interior sheet metal component 4, 2 three of handle base are locking fixed state outside, location muscle 17 top is tight on outer sheet metal component 5, then dies with outer sheet metal component 5 top through location muscle 17, can realize the Y of handle base 2 to the location.

Example two

As shown in figure 12, the outer wall of the adjusting cap 1 is provided with a one-way barb 21, the inner wall of the mounting hole 8 is provided with a barb clamping edge 22 matched with the one-way barb 21, and the adjusting cap 1 is matched with the hanging lug 10 through the one-way barb 21 and the barb clamping edge 22 so as to realize one-way assembly in the mounting hole 8.

In conclusion, the structure of the invention can realize a certain amount of adjustment in the XZ plane and a certain amount of adjustment in the Y direction during installation, does not need other auxiliary installation tools, and has convenient and simple operation;

the invention is assembled by a unidirectional structure such as a thread or a unidirectional barb between an adjusting cap 1 and a handle base 2, and a certain separation structure with a certain holding force is arranged between the adjusting cap 1 and the handle base 2, wherein the structure which can realize unidirectional assembly between the adjusting cap 1 and a mounting hole 8 on a hanging lug 10 belongs to the protection scope of the claims of the invention, after the handle base 2 is propped, the adjusting cap 1 is extruded by a bolt 3 with a cap or other modes to separate the adjusting cap 1 from the handle base 2, and the adjusting cap 1 is mounted on a required inner sheet metal part 4 after moving, and the working process is specifically that: the adjusting cap 1 is contacted with the handle base 2 to be limited and clamped, the adjusting cap 1 is limited and clamped through threads or a one-way barb structure, and in the locking process of the bolt with cap 3 and the projection welding nut 9, the bolt with cap 3 rotates to drive the adjusting cap 1 and the handle base 2 to integrally move towards the outside of the vehicle (namely towards the direction of the outer sheet metal part 5); when the outer sheet metal part 5 is contacted with the handle base 2, the inner sheet metal part 4 is blocked by the outer sheet metal part 5 and does not move outside the vehicle, the bolt with the cap 3 continues to rotate, the handle base 2 cannot move outside the vehicle, the adjusting cap 1 is in a suspended state, namely, under the extrusion action of the axial force of the bolt with the cap 3, the axial force of the bolt with the cap 3 is greater than the friction force between the adjusting cap 1 and the mounting hole 8, the adjusting cap 1 continues to extend out, and the extending part and the mounting hole 8 on the handle base 2 are in a disengaged state; at this moment, the adjusting cap 1 continues to move towards the outside of the vehicle along with the axial force of the cap bolt 3 until the adjusting cap 1 butts against the inner sheet metal part 4, the adjusting cap 1 stops moving, and the cap bolt 3 continues to extend out and be screwed into the projection welding nut 9 until the whole system is locked.

Wherein, after the handle base 2 is positioned towards X, Z through the outer sheet metal part 5, the size error (clearance) of the handle base and the inner sheet metal part 4 in the X/Z direction can be adjusted through the adjusting cap 1; handle base 2 and outer sheet metal component 5Y are to the dead location of top, adjust cap 1 and can support on outer sheet metal component 5 along with 3 removal of cap bolt, so can compensate outer sheet metal component 5 and interior sheet metal component 4 in Y to dimensional error (face difference).

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.