CN208216030U - A kind of pre-installation structure - Google Patents

Abstract

The utility model provides a kind of pre-installation structure, for solving the problems, such as that structure is complicated for pre-installation in the prior art.For the pre-installation before the first part and the welding of the second part, comprising: first part is equipped with column, and the column is made of plastics, and the column is hollow structure；Through-hole is provided on second part, at least provided at least two hollow outs, the hollow out is connected to the surrounding of the through-hole with the through-hole, and forms variant part between two hollow outs；The outer peripheral surface cooperation of the column and through-hole interference fit, the variant part and the column.Before welding, first column is inserted into through-hole, it is pre-installed, when in column insertion through-hole, due to there is the presence of variant part, the deformation of column extrusion deformation portion, the interference fit of column and through-hole is realized, to realize the pre-installation of the first part and the second part, and the utility model has structure simple, easy to operate feature, while the cost manufactured is also lower.

Description

A kind of pre-installation structure

Technical field

The utility model relates to the pre-installation structure before two parts welding, between two parts that automobile interior exterior is adornd Welding, other than automobile interior decoration field, welding between other plastic parts can also use this pre-installation structure, especially It is related to a kind of pre-installation structure.

Background technique

There are many places to need to take the part of pre-installation structure, especially two using welded connecting in automobile interior exterior decorations When, it usually needs there is pre-installation structure to fix two parts slightly, then welded, welding position can be made more accurate in this way, And when being turned to the back side and being welded, two parts will not be fallen off because of without connection structure.Usual situation is using clamping Structure is pre-installed, however it occur frequently that now inventing one the case where can not arranging installation point because of insufficient space when design The pre-installation structure of kind hardly occupied space.

Summary of the invention

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of pre-installation structures, use In solve the problems, such as in the prior art pre-installation structure is complicated.

In order to achieve the above objects and other related objects, the utility model provides a kind of pre-installation structure, is used for the 1st Pre-installation before part and the welding of the second part, comprising:

First part is equipped with column, and the column is made of plastics, and the column is hollow structure；

Be provided with through-hole on second part, the surrounding of the through-hole at least provided at least two hollow outs, the hollow out and The through-hole connection, and variant part is formed between two hollow outs；

The outer peripheral surface cooperation of the column and through-hole interference fit, the variant part and the column.

The utility model is realized in this way before welding, first column being inserted into through-hole, is pre-installed, vertical When column is inserted into through-hole, due to there is the presence of variant part, the deformation of column extrusion deformation portion realizes that the interference of column and through-hole is matched It closes, to realize the pre-installation of the first part and the second part, and the spy that the utility model has structure simple, easy to operate Point, while the cost manufactured is also lower.

Further, the column is circular abutment, and the through-hole is circular through hole.

Further, the hollow out has multiple, and forms multiple independent variant parts.

Further, the inner wall of the through-hole is equipped with notch, and the column is in the gap position and the through-hole Inner wall clearance fit.

Further, when the column is inserted into the through-hole, the column outer peripheral surface and variant part interference fit, and The outer peripheral surface other parts of the column and the inner wall clearance fit of the through-hole.

Further, there are two the variant parts, and the setting that opposes.

Further, the root of the column is equipped with locating piece, and the locating piece is for limiting described in the column insertion Depth in through-hole.

Further, first part and second part are plastic construction, the column and the described 1st Part is structure as a whole.

Further, first part and second part are plate-like piece.

Further, the interference of the column and through-hole interference fit is with a thickness of 0.35mm.

As described above, a kind of pre-installation structure of the utility model, has the advantages that

One, structure is simple, easy to operate, at low cost.

Two, it is realized and is interference fitted by variant part, when column is inserted into through-hole, it is easier to, the effective pre- peace of laborsaving and guarantee Dress.

Three, by the setting of notch, column is allowed to reduce contact area, reduces frictional force, so that when column insertion through-hole more It is easy.

Four, it is arranged by locating piece, realizes effective position, improve the precision of pre-installation.

Five, by integrated formed structure, do not have to separately fabricated independent fastener, saved cost.

Detailed description of the invention

Fig. 1 is shown as a kind of pre-installation structural schematic diagram in the prior art.

Fig. 2 is shown as a kind of assembling schematic diagram of pre-installation structure of the utility model.

Fig. 3 is shown as the schematic diagram of the first part.

Fig. 4 is shown as the schematic diagram of the second part.

Fig. 5 is shown as a kind of top view of pre-installation structure of the utility model.

Fig. 6 be shown as A-A in Fig. 5 to cross-sectional view.

Component label instructions

1 first part

2 second parts

3 columns

4 through-holes

5 hollow outs

51 variant parts

41 notches

31 locating pieces

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily.

Fig. 2 is please referred to Fig. 6.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to Cooperate the revealed content of specification, so that those skilled in the art understands and reads, is not intended to limit the utility model Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model Revealed technology contents obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", " left side ", The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model Scope.

Fig. 2 to Fig. 6 is please referred to, the utility model provides a kind of pre-installation structure, is used for the first part 1 and the second part 2 Pre-installation before welding, comprising:

First part 1 is equipped with column 3, and the column 3 is made of plastics, and the column 3 is hollow structure；

Through-hole 4 is provided on second part 2, the surrounding of the through-hole 4 is described to engrave at least provided at least two hollow outs 5 Sky 5 is connected to the through-hole 4, and variant part 51 is formed between two hollow outs 5；

The column 3 and the through-hole 4 are interference fitted, the outer peripheral surface cooperation of the variant part 51 and the column 3；

Before welding, first column 3 is inserted into through-hole 4, is pre-installed, when column 3 is inserted into through-hole 4, due to There is a presence of variant part 51, the interference fit of column 3 and through-hole 4 is realized in the deformation of 3 extrusion deformation portion 51 of column, to realize the The pre-installation of one part 1 and the second part 2, and the feature that the utility model has structure simple, easy to operate, while manufacturing Cost is also lower.After the completion of the first part 1 and the second part 2 weld, then weldering is melted into the stretching of column 34 part of through-hole and is fallen, only stays Next crator does not account for any space substantially, completes the pre-installation structure not taken up space in this way, avoids column 3 to other The installation and use of product cause to interfere.

In preferred embodiment, Fig. 2 to Fig. 6 is please referred to, the column 3 is circular abutment 3, and the through-hole 4 is circular through hole 4.Circular abutment 3 facilitates positioning, and no matter insert with what angle and adapt in insertion circular through hole 4, and after convenience Face adjustment.Column 3 or square column 3 and other shapes, through-hole 4 or square through hole 4 and other shapes, But in insertion, state close alignment when welding for the first part 1 and the second part 2 is needed, once insertion, needs It is only pulled out when adjustment again to just, operation can be inconvenient.Circular abutment 3 and circular through hole 4 is selected to be intended only as one herein Kind preferred embodiment.

In the present embodiment, Fig. 2 to Fig. 6 is please referred to, the hollow out 5 has multiple, and forms multiple independent variant parts 51.Become The number in shape portion 51 becomes more, and column 3 is easier in insertion through-hole 4.

In the present embodiment, Fig. 2 to Fig. 6 is please referred to, the inner wall of the through-hole 4 is equipped with notch 41, and the column 3 is described The inner wall clearance fit of 41 position of notch and the through-hole 4.The contact area for reducing column 3 and 4 inner wall of through-hole, facilitates interference to match It closes.When the column 3 is inserted into the through-hole 4,3 outer peripheral surface of column and the variant part 51 are interference fitted, and the column 3 Outer peripheral surface other parts and the through-hole 4 inner wall clearance fit.

In the present embodiment, Fig. 2 to Fig. 6 is please referred to, there are two the variant parts 51, and the setting that opposes.One is selected herein Relatively simple structure, while being also able to satisfy the demand of interference fit.

In the present embodiment, Fig. 2 to Fig. 6 is please referred to, the root of the column 3 is equipped with locating piece 31, and the locating piece 31 is used The depth in the through-hole 4 is inserted into limiting the column 3.By the setting of locating piece 31, so that the first part 1 and the 2nd 0 The pre-installation precision of part 2 improves, to improve the welding precision between two parts.

In the present embodiment, Fig. 2 to Fig. 6 is please referred to, first part 1 and second part 2 are plastic construction, institute It states column 3 and first part 1 is structure as a whole.Cost is relatively low for manufacture, does not have to manufacture other individual parts, and have Feature easy to operate.

In the present embodiment, Fig. 2 to Fig. 6 is please referred to, first part 1 and second part 2 are plate-like piece.Certainly This pre-installation structure can be used for the welding between the part of other shapes.

In the present embodiment, please refer to Fig. 2 to Fig. 6, the interference that the column 3 and the through-hole 4 are interference fitted with a thickness of 0.35mm.Using a reasonable interference fit interference thickness, avoids thickness excessive, column 3 is caused to compare when being inserted into through-hole 4 Difficulty, when avoiding thickness too small, the intensity of pre-installation is inadequate, and the effect of pre-installation is not achieved.

In addition independent assortment implementation can be carried out between the above various embodiments.

In conclusion the utility model structure is simple, it is easy to operate, at low cost.It is realized and is interference fitted by variant part 51, When column 3 is inserted into through-hole 4, it is easier to, the effective pre-installation of laborsaving and guarantee.By the setting of notch 41, the reduction of column 3 is allowed to connect Contacting surface product, reduces frictional force, so that column 3 is easier when being inserted into through-hole 4.It is arranged by locating piece 31, realizes effective position, mention The precision of high pre-installation.

By integrated formed structure, does not have to separately fabricated independent fastener, saved cost.So the utility model has Effect overcomes various shortcoming in the prior art and has high industrial utilization value.

The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.

Claims (10)

1. a kind of pre-installation structure, for the pre-installation before the first part and the welding of the second part characterized by comprising

First part is equipped with column, and the column is made of plastics, and the column is hollow structure；

It is provided with through-hole on second part, the surrounding of the through-hole is at least provided at least two hollow outs, the hollow out and described Through-hole connection, and variant part is formed between two hollow outs；

The outer peripheral surface cooperation of the column and through-hole interference fit, the variant part and the column.

2. a kind of pre-installation structure according to claim 1, it is characterised in that: the column is circular abutment, described logical Hole is circular through hole.

3. a kind of pre-installation structure according to claim 1, it is characterised in that: the hollow out have it is multiple, and formed it is multiple Independent variant part.

4. a kind of pre-installation structure according to claim 3, it is characterised in that: the inner wall of the through-hole is equipped with notch, Inner wall clearance fit of the column in the gap position and the through-hole.

5. a kind of pre-installation structure according to claim 4, it is characterised in that: when the column is inserted into the through-hole, institute Column outer peripheral surface and variant part interference fit are stated, and between the outer peripheral surface other parts of the column and the inner wall of the through-hole Gap cooperation.

6. a kind of pre-installation structure according to claim 5, it is characterised in that: there are two the variant parts, and to erecting It sets.

7. a kind of pre-installation structure according to claim 1, it is characterised in that: the root of the column is equipped with locating piece, The locating piece is for limiting the depth that the column is inserted into the through-hole.

8. a kind of pre-installation structure according to claim 1, it is characterised in that: first part and second part It is plastic construction, the column and first part are structure as a whole.

9. -8 any a kind of pre-installation structure according to claim 1, it is characterised in that: first part and described the Two parts are plate-like piece.

10. -8 any a kind of pre-installation structure according to claim 1, it is characterised in that: the column and the through-hole The interference of interference fit is with a thickness of 0.35mm.