CN102126470A - End connecting structure and automobile luggage rack with same - Google Patents
End connecting structure and automobile luggage rack with same Download PDFInfo
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- CN102126470A CN102126470A CN 201110025978 CN201110025978A CN102126470A CN 102126470 A CN102126470 A CN 102126470A CN 201110025978 CN201110025978 CN 201110025978 CN 201110025978 A CN201110025978 A CN 201110025978A CN 102126470 A CN102126470 A CN 102126470A
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Abstract
The invention provides a novel connecting structure of a tube and a bar. The connecting structure comprises the tube (6) which is at least provided with a tubular end, and the bar (2) which is at least provided with a bar-shaped end and is required to be connected with the tube (1), wherein circumferential surfaces of the tube (6) and the bar (2) are mutual connecting surfaces; a circumferential upper surface (3) of the bar-shaped end of the bar (2) is provided with a recess (4); and a connecting spacer (5) is put on the recess (4), is made from a high-strength and high-elasticity metal material, and is lamellar matched with the recess (4), and a part of the connecting spacer (5) is cut and crimped to form at least one elastic lamellar tooth (6) which is obliquely and upwards protruded. The connecting structure firmly and stably connects the tube and the bar, the connection firmness and stability of the connecting structure are not influenced by a vibration environment, connecting holes are not required, product appearance cannot be influenced, and the connecting structure cannot be pulled out under the action of nondestructive external force after being inserted, and is particularly suitable for the connection of a tubular cross bar of an automobile luggage rack and two ends of the automobile luggage rack.
Description
Technical field
The present invention relates to a kind of end connection structure, and adopt the automobile luggage racks of this structure.
Background technology
At least the bar type that has a bar-shaped end is inserted the pipe have a tubulated ends at least, with the peripheral surface joint face each other of the two, thereby realize the two connection, this is very general.Traditional mode: to the less demanding close-fitting modes that adopt of degree of being connected firmly more, to degree of being connected firmly demanding adopt punching screw, bolted connections on the joint face of the two more, shown in figure 01, figure 01-1 is scheme drawing before connecting, figure 01-2 is for connecting the back view, and among the figure, part 01 is a pipe, part 02 is a bar type, and part 03 is a screw; But some occasion is to degree of being connected firmly requirement height, appearance requirement to product is also high, not only influence its outward appearance with screw, bolt connecting mode, because it uses in vibration environment, cause screw loosening even unclamp easily, as the tubulose cross bar of automobile luggage racks and being connected of its two ends, be installed in during use on the automobile end face in order to fixing luggage, it is in long-term vibration environment to automobile at driving process, cause screw loosening even unclamp easily, may cause luggage to be lost, in addition, also influence its outward appearance as using screw to connect.In general, have the advantage that can remove stage makeup and costume with screw, bolt connecting mode, but some occasion, as the tubulose cross bar of automobile luggage racks and being connected of its two ends, not need to remove stage makeup and costume after connecting, under the effect of non-destructive external force, can not transfer to but wish to insert the back.
The present invention solves this problem just.
Summary of the invention
Technical matters to be solved by this invention is at the above-mentioned state of the art, provides a kind of pipe and bar type new connection structure.The present invention solves the problems of the technologies described above the technical scheme that is adopted:
A kind of end connection structure, comprise that one has the pipe (1) of a tubulated ends at least, need the connected bar type (2) that has a bar-shaped end at least, the peripheral surface of the two is joint face each other, the circumferential upper surface (3) of the bar-shaped end of described bar type (2) is provided with depression (4), described depression (4) goes up places a connection pad (5), described connection pad (5) is by high strength, elastomeric metallic material is made, be the sheet that matches with described depression (4), its part curls at least through cutting, and a slice is tilted to protruding flexure strip tooth (6), the shape of described flexure strip tooth (6), height and strength of material thereof, rigidity, elasticity must satisfy it can insert the tubulated ends of described pipe (1) under external force by force with the bar-shaped end of described bar type (2), and, insert the back by force and under the effect of non-destructive external force, can not transfer to.Thus, connect pad (5) put into wait cave in deeply (4) after, the height of its flexure strip tooth (6) should the circumferential upper surface of a little higher than square rod (3).
It is convenient to insert in order to connect, and described flexure strip tooth (6) inserts opposite sense and tilts to connecting.
As a kind of application scheme, the circumferential upper surface (3) of the bar-shaped end of described bar type (2) is the plane, and described depression (4) the dark setting such as along this plane, and described connection pad (5) be a flat board, horizontal positioned in described depression (4).Pipe (1) is a rectangular tube as described, and described bar type (2) is a square bar.
As another kind of application scheme, the circumferential upper surface (3) of the bar-shaped end of described bar type (2) is an arcwall face, described depression (4) is along dark settings such as this arcwall faces, and described connection pad (5) is the uniform thickness arc, places along fitting in the described arcwall face depression (4); The circumferential upper surface (6) of the tubulated ends of described pipe (1) also should be arcwall face mutually.Described pipe (1) is incomplete square with bar type (2), and wherein only the circumferential upper surface (6) of the circumferential upper surface (3) of bar type (2) and pipe (1) is an arcwall face, and other three faces are the plane.And for example, described pipe (1) is a pipe, and bar type (2) is a pole; Or described pipe (1) is oval tube, and bar type (2) is an ellipse bar;
In the such scheme, described connection pad (5) can be selected for use by spring steel and make, and is strip, and described flexure strip tooth (6) is 2 or 3 or 4, connects pad (5) length direction along described strip and arranges setting.
A kind of automobile luggage racks, mounted in pairs is on the roof surface during use, it comprises tubulose cross bar (20) and 2 supporting seats (21) that are used for it is linked to each other with roof that are connected with its two ends, described supporting seat (21) all has one and is used for and the bar-shaped end of described tubulose cross bar (20) bonded assembly, and described tubulose cross bar (20) adopts aforesaid end connection structure with supporting seat (21); Wherein, tubulose cross bar (20) is as pipe (1), and 2 supporting seats (21) are all as bar type (2).
For the ease of inserting assembling, the bearing surface of putting forth effort for described external force when having at least to be suitable for that it is inserted the tubulated ends of described pipe (1) by force on the described supporting seat (21) (22).
Here need to prove that alleged in the present specification " circumferentially upper surface " only is for convenience of description, presses position shown in the figure, the joint face that connects pad 5 places is referred to as " circumferentially upper surface ".
Adopt the connection structure of technical solution of the present invention, bar type and being connected firmly of pipe and stablize, and its degree of being connected firmly and stability are not influenced by vibration environment; Do not need connecting bore, can not impact product appearance; Inserting the back can not transfer under the effect of non-destructive external force.Especially be suitable for the tubulose cross bar of automobile luggage racks and being connected of its two ends.
Description of drawings
Figure 01 is background technology segment screw connectivity scenario scheme drawing of the present invention;
Fig. 1 is the embodiment of the invention one square tube and square rod connectivity scenario scheme drawing;
Fig. 2 is the embodiment of the invention two square cambered surface top pipes and square cambered surface top bar type connectivity scenario scheme drawing;
Fig. 3 is the embodiment of the invention two pipes and pole connectivity scenario scheme drawing;
Fig. 4 is tubulose cross bar and its end connectivity scenario released state scheme drawing of the embodiment of the invention three automobile luggage racks;
Fig. 5 is that the embodiment of the invention three connects pad (5) enlarged diagram.
Fig. 6 is in the tubulose cross bar and its end connectivity scenario of the embodiment of the invention three automobile luggage racks, connects pad (5) and puts into the local enlarged diagram of bar-shaped concave end (4) state;
Fig. 7 is tubulose cross bar and its end coupled condition scheme drawing of embodiment three baggage racks.
Fig. 8 is embodiment three baggage rack supporting seat (21) structure scheme drawings.
Fig. 9 is that embodiment three connects the whole automobile luggage racks scheme drawing in back.
The specific embodiment
Embodiment one, square tube and square rod connectivity scenario
As shown in Figure 1, the circumferential upper surface 3 of square rod 2 ends dark plano-concave such as is provided with and falls into 4, plano-concave falls into and places a connection flat shim 5 on 4, connecting flat shim 5 is made by spring steel, be with plano-concave and fall into the 4 plain film shapes that match, the flexure strip tooth 6 that its 3 inclinations that curl into through partial cut raise up is arranged setting along its length direction; It is convenient to insert in order to connect, and flexure strip tooth 6 inserts opposite sense and tilts to connecting.The shape of flexure strip tooth 6 is selected square sheet as shown in the figure for use, its height and strength of material thereof, rigidity, elasticity must satisfy it and can insert square tube 1 end under external force by force with the bar-shaped end of bar type 2, and, insert the back by force and under the effect of non-destructive external force, can not transfer to; Thus, connect pad 5 and put into to wait and cave in deeply after 4, the height of its flexure strip tooth 6 should the circumferential upper surface 3 of a little higher than square rod.
Plano-concave is fallen into square rod 2 ends that are placed with connection flat shim 5 on 4 insert square tube 1 end by force, because the elastic force effect of flexure strip tooth 6, forcing square tube 1 and square rod 2 peripheral surface to form interference fit is connected, and flexure strip tooth 6 will tightly be bitten the upper inner surface 7 of square tube, can not transfer under the effect of non-destructive external force.Being connected firmly and stablizing like this, and its degree of being connected firmly is not influenced by vibration environment with stability; Do not need connecting bore, can not impact product appearance.
Embodiment two, and joint face is the pipe and the excellent connectivity scenario of arcwall face
The difference of present embodiment and embodiment one only is that pipe is the arcwall face joint face with the circumferential upper surface 3 of stick end, connects pad 5 accordingly and is the uniform thickness arc.Other technical characterictic and technique effect thereof are all identical with embodiment one.
As shown in Figure 2, the circumferential upper surface 3 of the bar-shaped end of bar type 2 is an arcwall face, and depression 4 is along dark settings such as this arcwall faces, and connecting pad 5 is the uniform thickness arc, places along fitting in the arcwall face depression 4; The circumferential upper surface 6 of the tubulated ends of pipe 1 also should be arcwall face mutually.Pipe 1 is incomplete square with bar type 2, and wherein only the circumferential upper surface 3 of bar type 2 and the circumferential upper surface 6 of pipe 1 are arcwall face, and other three faces are the plane.
And for example, described pipe 1 is a pipe, and bar type 2 is a pole, as shown in Figure 3.Or described pipe 1 is oval tube, and bar type 2 is an ellipse bar.
Embodiment three, the tubulose cross bar of automobile luggage racks and its end connectivity scenario
Extremely shown in Figure 9 as Fig. 4, a kind of automobile luggage racks, mounted in pairs is on the roof surface during use, its single-piece comprises tubulose cross bar 20 and being used for of being connected with its two ends link to each other it with roof 2 supporting seats 21, described supporting seat 21 all has one and is used for and the bar-shaped end 2 of described tubulose cross bar 20 bonded assemblys, and tubulose cross bar 20 adopts aforesaid end connection structure with supporting seat 21; Wherein, tubulose cross bar 20 as 1,2 supporting seat 21 of pipe all as bar type 2.
As shown in Figure 4, tubulose cross bar 20 is a square tube, is made by aluminum alloy, and supporting seat 21 be an aluminum alloy die casting, is provided with a bar-shaped end 2, and the circumferential upper surface 3 of bar-shaped end 2 such as is provided with at dark plano-concave sunken 4; Plano-concave falls into and places a connection flat shim 5 on 4, as shown in Figure 6; Connect flat shim 5 and know clearly as shown in Figure 5, made by spring steel, be and the sunken 4 plain film shapes that match of plano-concave, the flexure strip tooth 6 that its 3 inclinations that curl into through partial cut raise up is provided with along its length direction arrangement; It is convenient to insert in order to connect, and flexure strip tooth 6 inserts opposite sense and tilts to connecting.The shape of flexure strip tooth 6 is selected square sheet as shown in the figure for use, its height and strength of material thereof, rigidity, elasticity must satisfy it and can insert square tube 1 end under external force by force with the bar-shaped end of bar type 2, and, insert the back by force and under the effect of non-destructive external force, can not transfer to; Thus, connect pad 5 and put into to wait and cave in deeply after 4, the height of its flexure strip tooth 6 should the circumferential upper surface 3 of a little higher than square rod.
For the ease of inserting assembling, the bearing surface of putting forth effort for described external force when having at least to be suitable for that it is inserted the tubulated ends of described pipe 1 by force on the described supporting seat 21 22 is shown in Figure 8.
Plano-concave is fallen into the tubulated ends 1 that the bar-shaped end 2 that is placed with the supporting seat 21 that connects flat shim 5 on 4 is inserted tubulose cross bar 20 by force, because the elastic force effect of flexure strip tooth 6, forcing tubulated ends 1 and bar-shaped end 2 peripheral surface to form interference fit is connected, and flexure strip tooth 6 will tightly be bitten the upper inner surface of tubulated ends 1, under the effect of non-destructive external force, can not transfer to coupled condition such as Fig. 8, shown in Figure 9.Being connected firmly and stablizing like this, and its degree of being connected firmly is not influenced by vibration environment with stability; Do not need connecting bore, can not impact product appearance.
Because this automobile luggage racks cross bar 20 two ends respectively connect 1 supporting seat 21, and be symmetrical distribution or roughly be symmetrical distribution, can be on isolated plant, cross bar 20 is fixing, firmly two end supports seat 21 is compressed to cross bar 20, thereby disposablely finish being linked and packed of two end supports seat 21 and cross bar 20, effect is good and fast.
Claims (10)
1. end connection structure, comprise that one has the pipe (1) of a tubulated ends at least, need the connected bar type (2) that has a bar-shaped end at least, the peripheral surface of the two is joint face each other, it is characterized in that, the circumferential upper surface (3) of the bar-shaped end of described bar type (2) is provided with depression (4), described depression (4) goes up places a connection pad (5), described connection pad (5) is by high strength, elastomeric metallic material is made, be the sheet that matches with described depression (4), its part curls at least through cutting, and a slice is tilted to protruding flexure strip tooth (6), the shape of described flexure strip tooth (6), height and strength of material thereof, rigidity, elasticity must satisfy it can insert the tubulated ends of described pipe (1) under external force by force with the bar-shaped end of described bar type (2), and, insert the back by force and under the effect of non-destructive external force, can not transfer to.
2. end as claimed in claim 1 connection structure is characterized in that, described flexure strip tooth (6) inserts the opposite sense inclination to connecting.
3. end as claimed in claim 1 connection structure, it is characterized in that the circumferential upper surface (3) of the bar-shaped end of described bar type (2) is the plane, described depression (4) the dark setting such as along this plane, described connection pad (5) is dull and stereotyped, horizontal positioned in described depression (4).
4. end as claimed in claim 3 connection structure is characterized in that, described pipe (1) is a rectangular tube, and described bar type (2) is a square bar.
5. end as claimed in claim 1 connection structure, it is characterized in that, the circumferential upper surface (3) of the bar-shaped end of described bar type (2) is an arcwall face, described depression (4) is along dark settings such as this arcwall faces, described connection pad (5) is the uniform thickness arc, places along fitting in the described arcwall face depression (4); The circumferential upper surface (6) of the tubulated ends of described pipe (1) also should be arcwall face mutually.
6. end as claimed in claim 5 connection structure, it is characterized in that, described pipe (1) is incomplete square with bar type (2), and wherein only the circumferential upper surface (6) of the circumferential upper surface (3) of bar type (2) and pipe (1) is an arcwall face, and other three faces are the plane.
7. end as claimed in claim 5 connection structure is characterized in that, described pipe (1) is a pipe, and bar type (2) is a pole; Or described pipe (1) is oval tube, and bar type (2) is an ellipse bar;
8. as each described end connection structure of claim 1 to 7, it is characterized in that described connection pad (5) is made by spring steel, is strip, described flexure strip tooth (7) is 2 or 3 or 4, connects pad (5) length direction along described strip and arranges setting.
9. automobile luggage racks, mounted in pairs is on the roof surface during use, it comprises tubulose cross bar (20) and 2 supporting seats (21) that are used for it is linked to each other with roof that are connected with its two ends, described supporting seat (21) all has one and is used for and the bar-shaped end of described tubulose cross bar (20) bonded assembly, it is characterized in that described tubulose cross bar (20) adopts end as claimed in claim 8 connection structure with supporting seat (21); Wherein, tubulose cross bar (20) is as pipe (1), and 2 supporting seats (21) are all as bar type (2).
10. automobile luggage racks as claimed in claim 9 is characterized in that, the bearing surface of putting forth effort for described external force when having at least to be suitable for that it is inserted the tubulated ends of described pipe (1) by force on the described supporting seat (21) (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110025978 CN102126470A (en) | 2011-01-20 | 2011-01-20 | End connecting structure and automobile luggage rack with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110025978 CN102126470A (en) | 2011-01-20 | 2011-01-20 | End connecting structure and automobile luggage rack with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102126470A true CN102126470A (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110025978 Pending CN102126470A (en) | 2011-01-20 | 2011-01-20 | End connecting structure and automobile luggage rack with same |
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| Country | Link |
|---|---|
| CN (1) | CN102126470A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494526A (en) * | 2014-12-16 | 2015-04-08 | 宁波敏实汽车零部件技术研发有限公司 | Improved car roof rack end fixation structure |
| CN104770142A (en) * | 2014-01-13 | 2015-07-15 | 苏州宝时得电动工具有限公司 | Grass cutting machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0631904B1 (en) * | 1993-06-29 | 1997-09-17 | Happich Fahrzeug-Dachsysteme GmbH | Roof rails for vehicles |
| GB2344328A (en) * | 1998-12-04 | 2000-06-07 | Thule Ind Ab | A roof rail connecting arrangement |
| US6131781A (en) * | 1996-11-18 | 2000-10-17 | Industri Ab Thule | Equipment load assist to roof rack |
| CN201033555Y (en) * | 2007-05-22 | 2008-03-12 | 祝开三 | Vehicle luggage rack device |
| KR20090094410A (en) * | 2008-03-02 | 2009-09-07 | 박경태 | Fashion Roof carrier |
-
2011
- 2011-01-20 CN CN 201110025978 patent/CN102126470A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0631904B1 (en) * | 1993-06-29 | 1997-09-17 | Happich Fahrzeug-Dachsysteme GmbH | Roof rails for vehicles |
| US6131781A (en) * | 1996-11-18 | 2000-10-17 | Industri Ab Thule | Equipment load assist to roof rack |
| GB2344328A (en) * | 1998-12-04 | 2000-06-07 | Thule Ind Ab | A roof rail connecting arrangement |
| CN201033555Y (en) * | 2007-05-22 | 2008-03-12 | 祝开三 | Vehicle luggage rack device |
| KR20090094410A (en) * | 2008-03-02 | 2009-09-07 | 박경태 | Fashion Roof carrier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104770142A (en) * | 2014-01-13 | 2015-07-15 | 苏州宝时得电动工具有限公司 | Grass cutting machine |
| CN104770142B (en) * | 2014-01-13 | 2017-04-19 | 苏州宝时得电动工具有限公司 | Grass cutting machine |
| CN104494526A (en) * | 2014-12-16 | 2015-04-08 | 宁波敏实汽车零部件技术研发有限公司 | Improved car roof rack end fixation structure |
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Application publication date: 20110720 |