CN207747940U - A kind of clamping structure being connect with vehicle body sheet metal for automobile inside door sill - Google Patents
A kind of clamping structure being connect with vehicle body sheet metal for automobile inside door sill Download PDFInfo
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- CN207747940U CN207747940U CN201721541539.3U CN201721541539U CN207747940U CN 207747940 U CN207747940 U CN 207747940U CN 201721541539 U CN201721541539 U CN 201721541539U CN 207747940 U CN207747940 U CN 207747940U
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- connection
- clamping structure
- connect
- vehicle body
- interconnecting piece
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model is related to the connection structures of automobile inside door sill and vehicle body sheet metal, specifically disclose a kind of clamping structure being connect with vehicle body sheet metal for automobile inside door sill.The clamping structure and the inner door sill integrated injection forming, the clamping structure includes clamping portion and interconnecting piece, the clamping portion coordinates with the through-hole on the vehicle body sheet metal, the interconnecting piece injection molding is connected on the vehicle body sheet metal, the interconnecting piece is connect with the clamping portion by arc transition, the interconnecting piece forms stress filtration region with the vehicle body sheet metal junction, and the interconnecting piece and the arc transition junction of the clamping portion form stress concentration point.The utility model is simple in structure, solves the problem of connection structure of automobile inside door sill and vehicle body sheet metal is easy to scratch vehicle body, cause vehicle body corrosion in the prior art.
Description
Technical field
The utility model is related to the interconnection technique fields of automobile inside door sill and vehicle body sheet metal, disclose a kind of in automobile
The clamping structure that threshold is connect with vehicle body sheet metal.
Background technology
The connection of current automobile inside door sill and vehicle body sheet metal is usually to be completed by metal buckle, as shown in Figure 1
Metal buckle be connected on the vehicle body sheet metal, and vehicle body is clamped by the elasticity of metal itself, further, in automobile
It needs that a back-off structure that can be connect with the metal buckle is arranged on threshold, in order to be able to by automobile inside door sill and vehicle
Body metal plate is fixed together, this structure, needs that a back-off structure is arranged on automobile inside door sill, in this way, just reducing
The structural stabilities of automobile inside door sill itself.In addition, the buckle in Fig. 1 is metal buckle, hardness is relatively high, in card
When connecing, it is easy to cause body paint and changes, it is serious to cause vehicle body corrosion.
Further, those skilled in the art are easy directly be used for other when accounting for the above problem
The Fig. 2 in field and structure shown in Fig. 3 replace the buckle of Fig. 1, realizing that automobile inside door sill and the fixed of vehicle body sheet metal connect
It connects, Fig. 2 is plastic construction, although solving the problems, such as metal scratches vehicle body, but carrys out book requirement for the structure of Fig. 2 and wants
There are certain hardness and rigidity, otherwise buckle itself is easy to roll over bad, tests, is obtained a result as the structure of Fig. 2 is not by inventor
It is feasible, in addition, the structure of the rectangular snap seats of Fig. 2 is unable to ensure repetition dismounting performance, further, the round snap seats of Fig. 3
Structure, need match circular hole, the requirement for size is relatively high, for position degree require it is also relatively high, but for inner door sill with
For the connection of vehicle body sheet metal, the size of buckle is long, for size longer in this way, for the control ratio of position degree
It is more difficult, do not use such structure generally.
The technical solution of the utility model, which is intended to provide a kind of clamping structure, can either solve the problems, such as that vehicle body scratches, and energy
It is enough to meet size requirement so that stress distribution, avoids the buckle of stress zone from itself rolling over bad problem.
Utility model content
The technical problems to be solved in the utility model is the connection structure of automobile inside door sill and vehicle body sheet metal in the prior art
The problem of being easy to scratch vehicle body, cause vehicle body corrosion.
In order to solve the above technical problems, being used for what automobile inside door sill were connect with vehicle body sheet metal the utility model discloses a kind of
Can binding structure, the clamping structure and the inner door sill integrated injection forming, the clamping structure includes clamping portion and connection
Portion, the clamping portion coordinate with the through-hole on the vehicle body sheet metal, and the interconnecting piece injection molding is connected on the inner door sill, described
Interconnecting piece is connect with the clamping portion by arc transition, and the interconnecting piece forms stress dispersion area with the inner door sill junction
Domain, the interconnecting piece and the arc transition junction of the clamping portion form stress concentration point.
Preferably, the clamping structure is the diamond structure that interconnecting piece has opening.
Preferably, the clamping structure is the closed diamond structure of interconnecting piece.
Specifically, the interconnecting piece include it is separated first connection while and second connection while, the clamping portion includes
Be connected with each other and arc transition third connection while and the 4th connection while.
Specifically, first connection is connected when being connect with the described 4th by arc transition, second connection side
Side is connect with the third to connect by arc transition.
Specifically, the third connection in the interconnection forms the first stress collection when being connected with third at tie point
Midpoint, it is described first connection while and the 4th connection while connection point out to form the second stress concentration point, it is described second connection
Tertiary stress centrostigma is formed at tie point when being connected with third.
Further, the clamping structure further includes the 5th connection side, and the 5th connection is when one end is connect with first
Connection, the other end connect side connection with second.
Preferably, the clamping structure connects side and the inner door sill integrated injection molding by the described 5th.
Preferably, the material of the clamping structure is PP-T20 materials.
Using above-mentioned technical proposal, clamping structure described in the utility model has the advantages that：
1) clamping structure described in the utility model is by the way of clamping structure and automobile inside door sill integrated injection molding,
Back-off structure need not be set on inner door sill, improve the structural stability of inner door sill itself；
2) the utility model uses PP-T20 materials, hardness to be less than the hardness of the paint of vehicle body, avoid for vehicle body
Scuffing while realized and the clamping of vehicle body sheet metal using the tension of material itself；
3) clamping structure described in the utility model carries out reasonable layout utilization to stress, and is inner door sill junction
Stress discrete areas is formed, the injured damage caused by stress is effectively reduced.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the metal buckle described in background technology；
Fig. 2 is the structural schematic diagram of the square buckle described in background technology；
Fig. 3 is the structural schematic diagram of the round buckle described in background technology；
Fig. 4 is the connection diagram of the clamping structure and inner door sill and vehicle body sheet metal described in embodiment one；
Fig. 5 is the connection diagram of the clamping structure and inner door sill and vehicle body sheet metal described in embodiment two
In figure, 1- inner door sills, 2- clamping structures, 3- vehicle body sheet metals, the connections of 4- first side, the connections of 5- second side,
6- thirds connect side, the connections of 7- the 4th side, the connections of 8- the 5th side, the first stress concentration points of 9-, the second stress concentrations of 10-
Point, 11- tertiary stress centrostigmas.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
" one embodiment " or " embodiment " referred to herein refers to that may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula.In the description of the present invention, it should be understood that term "upper", "top",
"bottom", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description this
Utility model and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used
In description purpose, it is not understood to indicate or imply relative importance or implicitly indicates the number of indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can be expressed or what is implied includes one or more this feature.
Moreover, term " first ", " second " etc. are for distinguishing similar object, without being used to describe specific sequence or priority time
Sequence.It should be appreciated that the data used in this way can be interchanged in the appropriate case, so as to the implementation of the utility model described herein
Example can be with the sequence implementation other than those of illustrating or describe herein.
Embodiment one：
To solve problems of the prior art, present embodiments provide a kind of for automobile inside door sill and vehicle body sheet metal
The clamping structure of connection, the clamping structure 3 use PP-T20 materials, and the clamping structure 3 and 1 integral type of the inner door sill
Injection molding.It is understood that the intensity and hardness of the PP-T20 materials are better than the PE materials of same condition, and, it is described
PP-T20 materials high temperature resistant, folding.
Further, the clamping structure 2 includes clamping portion and interconnecting piece, on the clamping portion and the vehicle body sheet metal 3
Through-hole cooperation, after the clamping portion is connected on the through-hole on the vehicle body sheet metal 3, pass through the clamping structure 2 itself
Tension, connected and fixed with the vehicle body sheet metal 3.Specifically, the clamping structure 2 is the diamond shape knot that interconnecting piece has opening
Structure specifically includes the first connection 5, third when 4, second connects and connects when 6 and the 4th connect 7, first connection side 4
There is one end and the inner door sill 1 to be integrally formed with the second connection side 5, form interconnecting piece, and the first connection side 4 with
Second connection side 5 is not connected to.Specifically, first connection, 4 one end of side is connect with the inner door sill 1, the other end and institute
It states the 4th connection side 7 to connect by arc transition, second connection, 5 one end of side is connect with the inner door sill 1, the other end and institute
It states third connection side 6 to connect by arc transition, further, the other end on third connection side 6 is connect with the described 4th
The other end arc transition on side 7 connects.
Further, in the present embodiment, first connection, 7 arc transition when 4 connect with the described 4th connects
Place forms the first stress concentration point 9, second connection when 5 connect with the third 6 arc transition junction formation the
Two stress concentration points 10, the third connection 7 arc transition junction when 6 and the 4th connect form tertiary stress centrostigma
11；The first connection side 4 forms the first stress dispersion area, second connection with 1 injection molding junction of the inner door sill
Side 5 forms the second stress dispersion area with 1 injection molding junction of the inner door sill, by will pass through between interconnecting piece and clamping portion
Connection between the third of arc transition connection and clamping portion is connected when 6 and the 4th connect 7 connects also by arc transition
It connects, further, the concentration at first stress concentration point 9, the second stress concentration point 10 and tertiary stress centrostigma 11 is answered
Power, to connect the peak stress at side two-by-two, junction is connected by above-mentioned arc transition, wedge angle connection is avoided, to subtract
Small peak stress, reduce makes the generation of material brittle failure since stress is excessive.
Further, so that interconnecting piece is passed through the form that connection side is connect with clamping portion, make clamping structure after injection molding
Stress at injection molding tie point can be good at being disperseed, i.e., outside by the first stress dispersion area and the second stress dispersion area
Dispersion, a part are distributed on the inner door sill 1, and another part is distributed at clamping portion, in this way rationally dividing to stress
Match, improves the intensity and endurance quality of clamping structure 2.
Embodiment two：
Another structure of clamping structure is present embodiments provided, specifically, the clamping structure 2 uses PP-T20 materials
Material, and the clamping structure 2 and 1 integrated injection forming of the inner door sill.It is understood that the PP-T20 materials is strong
Degree and hardness are better than the PE materials of same condition, and, the PP-T20 materials high temperature resistant, folding.
Further, the clamping structure includes clamping portion and interconnecting piece, the clamping portion on the vehicle body sheet metal 3
Through-hole coordinates, and after the clamping portion is connected on the through-hole on the vehicle body sheet metal 3, passes through the clamping structure 2 itself
Tension is connected and fixed with the vehicle body sheet metal 3.Specifically, it is closed diamond structure that the clamping structure 2, which is interconnecting piece, tool
Body include first connection while 4, second connect while 5, third connection while the 6, the 4th connect while 7 and the 5th connection side 8.Specifically, institute
It states the first connection and 8 is connected by arc transition when 4 one end are connect with the 5th, the other end connect side 7 with the described 4th and passes through circle
Arc transition connects, and second connection 8 is connected when 5 one end are connect with the described 5th by arc transition, the other end with it is described
Third connection side 6 connected by arc transition, it is described first connection while 4 and second connect while 5 by the 5th connection side 8 be closed,
It is described first connection while 4, second connect while 5 and the 5th connection side 8 formed interconnecting piece.Further, the third connects side 6
The other end arc transition that the other end connect side 7 with the described 4th connects, and forms clamping portion.It is described preferably, described
The length on five connection sides 8 is very short, is equivalent to the first connection of minor arc arc transition connection 5 string when 4 and second connect
Length.Preferably, the length for connecting the string that the minor arc is formed is the 2/3 of the minor arc diameter.
Further, in the present embodiment, first connection, 7 arc transition when 4 connect with the described 4th connects
Place forms the first stress concentration point 9, second connection when 5 connect with the third 6 arc transition junction formation the
Two stress concentration points 10, the third connection 7 arc transition junction when 6 and the 4th connect form tertiary stress centrostigma
11；The first connection side 4 forms the first stress dispersion area, second connection with 1 injection molding junction of the inner door sill
Side 5 forms the second stress dispersion area with 1 injection molding junction of the inner door sill, by will pass through between interconnecting piece and clamping portion
Connection between the third of arc transition connection and clamping portion is connected when 6 and the 4th connect 7 connects also by arc transition
It connects, further, the concentration at first stress concentration point 9, the second stress concentration point 10 and tertiary stress centrostigma 11 is answered
Power, to connect the peak stress at side two-by-two, junction is connected by above-mentioned arc transition, wedge angle connection is avoided, to subtract
Small peak stress, reduce makes the generation of material brittle failure since stress is excessive.
Further, so that interconnecting piece is passed through the form that connection side is connect with clamping portion, make clamping structure 2 after injection molding
Stress at injection molding tie point can be good at being disperseed, i.e., outside by the first stress dispersion area and the second stress dispersion area
Dispersion, a part connect side 8 by the described 5th and are distributed on the inner door sill 1, and another part is distributed at clamping portion, is passed through
In this way to the reasonable distribution of stress, the intensity and endurance quality of clamping structure 2 are improved, and through this structure, increased
The whole stability of clamping structure.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of clamping structure being connect with vehicle body sheet metal for automobile inside door sill, which is characterized in that the clamping structure (2) and
Inner door sill (1) integrated injection forming, the clamping structure (2) include clamping portion and interconnecting piece, the clamping portion and institute
The through-hole cooperation on vehicle body sheet metal (3) is stated, the interconnecting piece injection molding is connected on the inner door sill (1), the interconnecting piece and institute
It states clamping portion to connect by arc transition, the interconnecting piece forms stress discrete areas with the inner door sill (1) junction, described
Interconnecting piece and the arc transition junction of the clamping portion form stress concentration point.
2. clamping structure according to claim 1, which is characterized in that the clamping structure (2), which is interconnecting piece, has opening
Diamond structure.
3. clamping structure according to claim 1, which is characterized in that the clamping structure (2) is the closed water chestnut of interconnecting piece
Shape structure.
4. clamping structure according to claim 1 or 2 or 3, which is characterized in that the interconnecting piece includes separated
One connection while (4) and second connection while (5), the clamping portion include be connected with each other and arc transition third connect side (6) and
4th connection side (7).
5. clamping structure according to claim 4, which is characterized in that first connection side (4) is connect with the described 4th
Side (7) is connected by arc transition, and second connection (6) when (5) are connect with the third is connected by arc transition.
6. clamping structure according to claim 5, which is characterized in that the interconnection third connect side (6) and
4th connection side (7) forms the first stress concentration point (9) at tie point, in first connection when (4) and the 4th connect
(7) connection is pointed out to form the second stress concentration point (10), in the connection that described second connects when (5) are connected with third (6)
Tertiary stress centrostigma (11) is formed at point.
7. clamping structure according to claim 1 or 3, which is characterized in that the clamping structure (2) further includes the 5th connection
Side (8), the 5th connection when (8) one end is connect with first (4) connect, and the other end connect side (5) connection with second.
8. clamping structure according to claim 7, which is characterized in that the clamping structure (2) connects by the described 5th
Side (8) and the inner door sill (1) integrated injection molding.
9. clamping structure according to claim 1, which is characterized in that the material of the clamping structure (2) is PP-T20 materials
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541539.3U CN207747940U (en) | 2017-11-17 | 2017-11-17 | A kind of clamping structure being connect with vehicle body sheet metal for automobile inside door sill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541539.3U CN207747940U (en) | 2017-11-17 | 2017-11-17 | A kind of clamping structure being connect with vehicle body sheet metal for automobile inside door sill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207747940U true CN207747940U (en) | 2018-08-21 |
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ID=63145531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721541539.3U Active CN207747940U (en) | 2017-11-17 | 2017-11-17 | A kind of clamping structure being connect with vehicle body sheet metal for automobile inside door sill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207747940U (en) |
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2017
- 2017-11-17 CN CN201721541539.3U patent/CN207747940U/en active Active
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