CN206278203U - A kind of electromobile frame and its attachment structure - Google Patents

Abstract

The utility model discloses a kind of electromobile frame and its attachment structure, its drip irrigation device is:Including the first connector and the second connector, it is characterized in that：Second connector is provided with solder side, one side of the first connector is the first welding edge, first connector extends the first welding bar on the side of the first welding edge, the side of the first welding bar is the second welding edge, first connector fits with the second connector, and first connector, solder joint between second connector is located at the first welding edge respectively, on second welding edge, on the one hand, the area that solder joint is covered is big, firm welding can significantly be lifted, on the other hand, first welding bar is fitted completely with solder side, similarly significantly improve the structural strength of solder side itself；Therefore, the actually used structural strength of this kind of attachment structure has some idea of.

Description

A kind of electromobile frame and its attachment structure

Technical field

The utility model is related to electric motor car component, more particularly to a kind of electromobile frame and its attachment structure.

Background technology

Existing electromobile frame, is generally speaking typically by being welded with iron pipe more, is divided from overall structure Analysis, its main body peripheral frame is side pipe, and side pipe carries the weight of most of vehicle body, on vehicle frame along headstock toward tailstock direction according to It is secondary to be provided with foot-operated area, the Zuo Tong areas of abutment bucket placement and the rear shelf area positioned at tailstock portion ridden for user, it is similar to Structure such as notification number for CN202219818U Chinese utility model electromobile frame.

In the middle of actually used process, Zuo Tong areas can be placed in seat bucket, and seat bucket and can be placed into battery, electric motor car Battery and user deadweight Hui Duizuotong areas produce larger pressure effect, in order to be able to strengthen the structural strength in the region, portion Man of subsidiary factory also can first lay seat bucket backing plate in the region, and the side of the backing plate is connected by screw in side pipe, by receiving space Limitation, backing plate certainly will need just to adapt to the inner space in Zuo Tong areas by splicing, and in splicing, the most commonly used is exactly Welding, and traditional welding, typically make the end of two pieces of backing plates close to each other, are then welded using welding gun, now, Welding region is limited, causes welded structure intensity not high.

Utility model content

In view of the shortcomings of the prior art, first purpose of the present utility model is to provide a kind of attachment structure, its Structural strength with tie point characteristic high.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of attachment structure, bag The first connector and the second connector are included, second connector is provided with solder side, a side of first connector It is the first welding edge, first connector extends the first welding bar, first weldering on the side of the first welding edge The side of narrow bars is the second welding edge, and first connector fits with the second connector, and the first connector, the second connection Solder joint between part is located on the first welding edge, the second welding edge respectively.

By above-mentioned technical proposal, in actual welding process, the first connector can be directly against the second connector Solder side on, and first welding bar can be fitted with solder side completely, then using welding gun to the first welding edge, second weldering Edge fit is welded, and after welding is completed, the area that solder joint is covered is far longer than traditional welding manner；In actually used mistake Cheng Zhong, the first connector and the second connector are often subject to the folding force effect on different directions, stress collection between the two Midpoint is located on pad between the two, on the one hand, the area that solder joint is covered is big, can significantly lift firm welding, On the other hand, the first welding bar is fitted completely with solder side, similarly significantly improves the structural strength of solder side itself；Cause This, the actually used structural strength of this kind of attachment structure has some idea of.

Preferably, first connector is also extended with the second welding bar on the side of the first welding edge, and described the The side of two welding article is the 3rd welding edge, and solder joint is provided between the 3rd welding edge and solder side.

By above-mentioned technical proposal, the second welding bar is similar to the practical effect of the first welding bar, the second welding bar Setting, on the one hand, the effective solder side between the first connector and the second connector is effectively increased on the basis of above Product, on the other hand, also further improves the self structure intensity with the solder side.

Preferably, it is parallel to each other between the first welding bar and the second welding bar, and the first welding bar and the second welding Orientation of the length direction of bar with the first connector, the second connector is consistent.

It is arranged in parallel between the first welding bar and the second welding bar by above-mentioned technical proposal, two welding can be made Bar arrangement ground is more neat, and space availability ratio is higher, and from for soldering angle, two the first welderings be arrangeding in parallel each other Narrow bars and the second welding bar, welding difficulty are relatively low, and the quality after welding is higher.

Preferably, also including the first keeper on the first welding bar, the second welding bar and on solder side The second keeper, first keeper and the second keeper cooperate and realize the weldering of the first connector and the second connector Connect positioning.

By above-mentioned technical proposal, when the first connector and the second connector are welded, the first keeper and second is positioned Part is mutually located cooperation, and welding process positioning is more accurate；After completion is welded between the first connector and the second connector, First keeper to remain unchanged and be in positioning states with the second keeper, in actual use, when the first connector and second connects When there is vibrations trend between fitting, the first keeper, the second keeper can effectively strengthen firm welding degree, further be lifted The actual connective stability of the attachment structure.

Preferably, first connector is provided with holding hole.

By above-mentioned technical proposal, during actual welding, the hand of welding personnel can be directly inserted into holding hole, carried Rise between the first connector and the second connector against stability and the degree of accuracy.

Preferably, the holding hole is away from being provided with arc convex at the aperture of the second connector, the arc convex it is convex Play direction towards the second connector side.

By above-mentioned technical proposal, during actually used person crawl, the palmar hand of user can directly and arc convex Bonded to each other, the setting of arc convex, the palmar hand of the user that can preferably fit, the holding comfort level of user is further carried Rise.

Second purpose of the present utility model is to provide a kind of electromobile frame, and it has inner structural strength spy high Property.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of electromobile frame, Including main body of vehicle frame, the main body of vehicle frame is provided with Zuo Tong areas and rear shelf area, it is characterized in that：Also include above-mentioned connection knot Structure, is provided with battery case in the Zuo Tong areas, the solder side is located on the outter box of battery case.

By above-mentioned technical proposal, attachment structure is applied on electromobile frame, when the electric motor car is in actually used process In, can effectively strengthen the connective stability between battery case and main body of vehicle frame, actual life of electric motor car also can therefore and Get a promotion.

Preferably, first connector extends to the box side position of battery case.

By above-mentioned technical proposal, the first connector extends to the box side position of battery case, can effectively utilize battery case box The confined space on side, so as to ensure the entire length long enough of the first connector, stability in use is higher.

Preferably, it is connected by bolt between the side of the battery case and main body of vehicle frame.

By above-mentioned technical proposal, the side of battery case is bolted on main body of vehicle frame, can further lift electricity The connective stability of pond box.

Preferably, first connector is provided with kink, and the first connector passes through spiral shell away from one end of battery case Bolt is connected in rear shelf area.

By above-mentioned technical proposal, the first connector in addition to being connected on the second connector, after the other end is connected to Shelf area, can further lift the connective stability of the first connector and battery case；In addition, the first connector and main body of vehicle frame it Between be connected by screw bolts, be connected by screw bolts between battery case and main body of vehicle frame, from overall disassembly process, can directly pass through Assembling-disassembling bolt is to be capable of achieving the first connector, the dismounting between battery case, main body of vehicle frame, is extremely facilitated.

Brief description of the drawings

Fig. 1 is the positive structure diagram of embodiment one；

Fig. 2 is the A portions enlarged drawing of Fig. 1；

Fig. 3 is the backsight structural representation of embodiment one；

Fig. 4 is the B-B profiles of Fig. 3；

Fig. 5 is the positive structure diagram of embodiment two；

Fig. 6 is the backsight structural representation of embodiment two.

Reference：1st, the first connector；2nd, the first welding edge；3rd, the first welding bar；4th, the second welding edge；5th, the second weldering Narrow bars；6th, the 3rd welding edge；7th, solder joint；8th, the second connector；9th, solder side；10th, the first keeper；11st, the second keeper； 12nd, hole is held；13rd, arc convex；14th, main body of vehicle frame；15th, Zuo Tong areas；16th, rear shelf area；17th, battery case；18th, kink.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment one：

It is shown in Figure 1, a kind of attachment structure, including flat first connector 1 and flat second connection Part 8, solder side 9 is provided with the second connector 8, and the solder side 9 is welded for solder joint 7, is extended on first welding edge 2 The first welding welding bar 5 of bar 3 and second, is parallel to each other between the first welding welding bar 5 of bar 3 and second, and the first welding bar 3 Orientation of the length direction of bar 5 with the first connector 1, the second connector 8 is welded with second to be consistent, the first connection One side of part 1 is the first welding edge 2, and the side of the first welding bar 3 is the second welding edge 4, and the side of the second welding articles 5 is the Three welding edges 6, the first connector 1 is bonded to each other with the solder side 9 of the second connector 8, and is welded in the first welding edge 2, second Solder joint 7 is respectively provided with edge fit 4, the 3rd welding edge 6, the solder joint 7 can be directly used for welding the first connector 1 and the second connector 8.

Referring to shown in Fig. 1, Fig. 3 and Fig. 4, wherein, in the first welding welding bar 5 of bar 3 and second near the one of solder side 9 Side is provided with the first keeper 10, and corresponding is that the second keeper 11 is provided with solder side 9, when the first keeper 10 When selection is salient point, the selection of the second keeper 11 is depression；When the selection of the first keeper 10 is depression, the second keeper 11 is selected It is salient point to select；And when the first welding welding bar 5 of bar 3, second is bonded to each other with solder side 9, the first keeper 10 can be with the The mutual inlay card of two keeper 11 coordinates.

In addition, holding hole 12 referring to shown in Fig. 1 and Fig. 2, being provided with the first connector 1, the holding hole 12 is overall to be in Existing long hole shape, the length direction for holding hole 12 is consistent with the length of side direction of the first welding edge 2, and the holding hole 12 connects away from second Arc convex 13, protrusion direction direction the second connector 8 side of the arc convex 13 are provided with the aperture of fitting 8.

Force analysis is as follows：When being subject to folding force on the first connector 1 or the second connector 8, stress concentration occurs At both pads, i.e. the weld of the first welding edge 2, the second welding edge 4, three of the 3rd welding edge 6 and solder side 9, Now, first, above-mentioned weld can provide attachment force powerful enough；Secondth, the first keeper 10 and the second keeper 11 it Between inlay card coordinate, the powerful resistance for resisting the skid force parallel to solder side 9 can be provided；3rd, the first welding The welding bar 5 of bar 3, second fits in solder side 9, can effectively lift the structural strength of solder side 9；To sum up, overall attachment structure Structural strength can obtain very big lifting.

Embodiment two：

Referring to shown in Fig. 5 and Fig. 6, a kind of electromobile frame, including main body of vehicle frame 14, main body of vehicle frame 14 is provided with seat bucket Area 15 and rear shelf area 16, also including the attachment structure of such as embodiment one, battery case 17 are provided with present bucket area 15, are welded Face 9 is located on the outter box of battery case 17, i.e., the second connector 8 for being referred in embodiment one is the equal of the box of battery case 17 Wall, the first connector 1 extends to the cassette bottom position of battery case 17, and bolt is passed through between the side of battery case 17 and main body of vehicle frame 14 It is connected, the first connector 1 is provided with kink 18, and the first connector 1 passes through bolt phase away from one end of battery case 17 It is connected in rear shelf area 16, to complete the installation between whole first connector 1, the second connector 8, battery case 17.

The above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model Enclose, protection domain of the present utility model is determined by appended claim.

Claims (10)

1. a kind of attachment structure, including the first connector (1) and the second connector (8), it is characterized in that：Second connector (8) solder side (9) is provided with, a side of first connector (1) is the first welding edge (2), first connector (1) Extend the first welding bar (3) on the side of the first welding edge (2), the side of first welding bar (3) is the second weldering Edge fit (4), first connector (1) fits with the second connector (8), and the first connector (1), the second connector (8) Between solder joint (7) be located at the first welding edge (2) respectively, on the second welding edge (4).

2. attachment structure according to claim 1, it is characterized in that：First connector (1) is near the first welding edge (2) Side on be also extended with the second welding bar (5), the side of second welding article (5) is the 3rd welding edge (6), the described 3rd Solder joint (7) is provided between welding edge (6) and solder side (9).

3. attachment structure according to claim 2, it is characterized in that：It is described first welding bar (3) with second welding bar (5) it Between be parallel to each other, and first welding bar (3) with second weld bar (5) length direction be connected with the first connector (1), second The orientation of part (8) is consistent.

4. attachment structure according to claim 2, it is characterized in that：Also include being located at the first welding bar (3), the second welding bar (5) the first keeper (10) on and the second keeper (11) on solder side (9), first keeper (10) with Second keeper (11) cooperates and realizes that the first connector (1) is positioned with the welding of the second connector (8).

5. attachment structure according to claim 1, it is characterized in that：First connector (1) is provided with holding hole (12).

6. attachment structure according to claim 4, it is characterized in that：The holding hole (12) is away from the second connector (8) Arc convex (13), protrusion direction direction the second connector (8) side of the arc convex (13) are provided with aperture.

7. a kind of electromobile frame, including main body of vehicle frame (14), the main body of vehicle frame (14) be provided with Zuo Tong areas (15) and after Shelf area (16), it is characterized in that：Also include the attachment structure as described in claim 1 ~ 6 any one, the Zuo Tong areas (15) Battery case (17) is inside installed, the solder side (9) is on the outter box of battery case (17).

8. electromobile frame according to claim 7, it is characterized in that：First connector (1) extends to battery case (17) box side position.

9. electromobile frame according to claim 7, it is characterized in that：The side of the battery case (17) and main body of vehicle frame (14) it is connected by bolt between.

10. electromobile frame according to claim 7, it is characterized in that：First connector (1) is provided with kink , and the first connector (1) is connected in rear shelf area (16) away from one end of battery case (17) by bolt (18).