CN208429199U - A kind of chain stay of electric vehicle - Google Patents
A kind of chain stay of electric vehicle Download PDFInfo
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- CN208429199U CN208429199U CN201821071596.4U CN201821071596U CN208429199U CN 208429199 U CN208429199 U CN 208429199U CN 201821071596 U CN201821071596 U CN 201821071596U CN 208429199 U CN208429199 U CN 208429199U
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- slot
- forked standard
- wall
- fork body
- inner groovy
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Abstract
The utility model provides a kind of chain stay of electric vehicle, belongs to battery truck technical field.It solve the left and right side arm of chain stay of existing electric vehicle end split it is fixed when, the problem of being easy dislocation split.The chain stay of this electric vehicle, left fork body includes left forked standard, left yoke, right fork body includes right forked standard, right yoke, with the inner groovy one of fracture one on left forked standard, there are symmetrically arranged positioning assembling strips on the both sides slot inner wall of inner groovy one, the end face of fracture one is stretched out in the one end for positioning assembling strips, with the inner groovy two of fracture two on right forked standard, left forked standard connected and inner groovy one opposite with right forked standard and inner groovy two are limited by positioning assembling strips is spliced to form inner groovy three, the end face of left forked standard is equipped with bolt hole, and bolt passing through bolt hole spiral is connected on bolt block.Split that the utility model structure is simple, left fork body and when right fork body split will not misplace can guarantee the stationarity of battery truck rear wheel in the process of moving.
Description
Technical field
The utility model belongs to battery truck technical field, is related to a kind of chain stay of electric vehicle.
Background technique
Chain stay is that a kind of battery truck is used to fix rear motor wheel and vehicle frame for motor wheel axis connection is main afterwards
One of component, it be it is indispensable, usually U-shaped, shape is in fork shape, has welded type and integral type in structure, is welded
Not beautiful enough the therefore medium-to-high grade battery truck rear chain stay integrally formed using alloy material of shape.
Connection tube end after existing in chain stay is concordant with the end of left and right side pipe, between left side pipe and rear tube
Apart from limited, keep its link position relatively narrow, is not easy to apply on the biggish wide vehicle frame of supporting power, be easily deformed, and vibrate big.
There is a kind of rear chain stay to above-mentioned this case in the market in this, such as Chinese patent Patent No.: as described in " 201610739876.7 "
Rear chain stay, be put together by the end of left and right side arm, left and right side arm end is made of a head and a shoulder, head with
There are also a necks between shoulder, and head side can expose the side of neck；Neck is crossed, the arc-shaped curve in shoulder edge is convex upwards
Extension is tilted down to side arm end direction after rising；In the inside of shoulder protrusion, part shoulder body is to lower recess and is formed to shoulder
The broken face that side inclination extends；The section on head is in horn-like；Axle sleeve, the centre on left and right head are cased in left and right head respectively
The axle sleeve as set by a connection axis connection left and right head completes the split of left and right side arm.
In such a configuration, when the end split of left and right side arm is fixed, it is easy dislocation split, split installation speed is slow,
There are also the stationarities that left and right side arm will affect battery truck rear wheel once arranged in dislocation.
Summary of the invention
The purpose of this utility model is that it is simple, left to provide a kind of structure for the above-mentioned problems in the prior art
Fork body and when right fork body split, will not misplace split, can guarantee the stationarity of battery truck rear wheel in the process of moving, left fork body
With the chain stay of split installation effectiveness high electric vehicle when right fork body split.
The purpose of this utility model can be realized by the following technical scheme: a kind of chain stay of electric vehicle, including left fork body,
Right fork body, the left fork body and right fork body by bolt be connected, which is characterized in that the left fork body include left forked standard, with
Left forked standard be in vertical distribution and with the integrally formed left yoke of left forked standard, the right fork body includes right forked standard, with right forked standard is in
Vertical distribution and with the integrally formed right yoke of right forked standard, it is described with the inner groovy one of fracture one on the left forked standard
On the both sides slot inner wall of inner groovy one have symmetrically arranged positioning assembling strips, the positioning assembling strips one end stretching described in
Fracture one end face, with the inner groovy two of fracture two, the left forked standard and the right forked standard on the right forked standard
It is connected relatively and the fracture two of the fracture one of the inner groovy one and inner groovy two is limited by positioning assembling strips and is spliced to form indent
Slot three, the end face of the left forked standard are equipped with bolt hole, and the bolt hole extends to inner groovy through the left forked standard
In one, bolt block is installed on axially opposing right forked standard with bolt hole, the bolt is solid across the bolt hole spiral
It is connected on the bolt block, and is additionally provided on the left forked standard of bolt parallelly distribute on, right forked standard for hinged with electromobile frame
Hinged pipe.
The chain stay of this electric vehicle is mainly on the both sides slot inner wall of the inner groovy one of left fork body with symmetrically arranged fixed
Position assembling strips, the effect of the positioning assembling strips is left fork body and right fork body plays the role of guiding, limit in assembly, and one can be with
Assembled efficiency when improving assembled；Two can to it is left fork body, it is right fork body assembly when assembly position limit, prevent left fork body, the right side
Misplace split when pitching body assembly；Connection structure between the positioning assembling strips and the both sides slot inner wall of inner groovy one are as follows: in indent
Strip groove is offered on the side slot inner wall of slot one, the cross section of the strip groove is dovetail shaped, the following table mask of the positioning assembling strips
Have in swallow-tailed interconnecting piece, which is connected in strip groove, and the seam crossing of the interconnecting piece and strip groove is again with welding
It is welded and fixed；Bolt block is set, is the mechanical strength for improving the place that bolt in right forked standard passes through, local mechanical is strong in right forked standard
The raising of degree can guarantee the connective stability of left fork body and right fork body, and can reduce the manufacturing cost of right forked standard.
In the chain stay of above-mentioned electric vehicle, on the inner wall of the inner groovy one have with left forked standard integral structure plus
Strong nut, the center line overlap of the center line of the centre bore of the stiffnut and the bolt hole.The mesh being arranged in this way
Be to improve the mechanical strength of junction being bolted on left forked standard, guarantee the connective stability of left fork body and right fork body.
In the chain stay of above-mentioned electric vehicle, there is link slot one, the company on the outer wall of the left yoke front end
There is forked interconnecting piece one at the slot bottom of access slot one, there is protrusion on the inner wall of left yoke front end corresponding with interconnecting piece one
One, have on the inner wall of the left yoke it is interior force slot one, the protrusion one be in force in front end in one slot of slot
Portion position has the reinforcement partition one being crossed to form between the protrusion one and the interior slot inner wall for forcing slot one, described is interior
Forcing the rear end in one slot of slot has the reinforcing rib one being crossed to form.Protrusion is set first is that improving strong with the machinery of wheel axis connection
Degree is also further ensured that balance, stationarity of the axletree in connection, guarantees the service life of axletree.
In the chain stay of above-mentioned electric vehicle, the notch edges of the link slot one also have the contracting for installing limit
Mouth step one.Axletree is connected in link slot one, is arranged with square slider on the axletree, which is connected to necking
It is positioned in step one.
In the chain stay of above-mentioned electric vehicle, there is link slot two, the company on the outer wall of the right yoke front end
There is forked interconnecting piece two at the slot bottom of access slot two, there is protrusion on the inner wall of right yoke front end corresponding with interconnecting piece two
Two, have on the inner wall of the right yoke it is interior force slot two, the protrusion two be in force in front end in two slot of slot
Portion position has the reinforcement partition two being crossed to form between the protrusion two and the interior slot inner wall for forcing slot two, described is interior
Forcing the rear end in two slot of slot has the reinforcing rib two being crossed to form, and the end of the protrusion two also has determines for connection
Position column one, the medium position of the reinforcing rib two also have the positioning column two for connection.Setting protrusion is second is that raising and vehicle
The mechanical strength for taking turns axis connection is also further ensured that balance, stationarity of the axletree in connection, and guarantee axletree uses the longevity
Life.
In the chain stay of above-mentioned electric vehicle, the notch edges of the link slot two also have the contracting for installing limit
Mouth step two.Axletree is connected in link slot two, is arranged with square slider on the axletree, which is connected to necking
It is positioned in step two.
Compared with prior art, the chain stay of this electric vehicle mainly has on the both sides slot inner wall of the inner groovy one of left fork body
Symmetrically arranged positioning assembling strips, the effect of the positioning assembling strips are that left fork body and right fork body play guiding, limit in assembly
Effect；Split that the utility model structure is simple, left fork body and when right fork body split will not misplace, can guarantee that battery truck is travelling
The stationarity of rear wheel in the process.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the chain stay of this electric vehicle.
Fig. 2 is the schematic perspective view of the chain stay of this electric vehicle.
In figure, 1, bolt；2, left forked standard；3, left yoke；4, right forked standard；4a, bolt block；5, right yoke；6, positioning is assembled
Item；7, inner groovy three；8, hinged pipe；9, stiffnut；10, link slot one；11, interconnecting piece one；12, protrusion one；13, reinforce every
Plate one；14, reinforcing rib one；15, necking step one；16, link slot two；17, interconnecting piece two；18, protrusion two；19, reinforce partition
Two；20, reinforcing rib two；21, positioning column one；22, positioning column two；23, necking step two.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, the chain stay of this electric vehicle is mainly made of left fork body, right fork body, and left fork body and right fork body are logical
Cross bolt 1 be connected, actually manufacture when, the left fork body mainly by left forked standard 2, and left forked standard 2 be in vertical distribution and with left forked standard 2
Integrally formed left yoke 3 forms, the right fork body be mainly in vertical distribution by right forked standard 4 and right forked standard 4 and with right forked standard 4 one
Body formed right yoke 5 forms, and has the inner groovy one of fracture one on left forked standard 2, has on the both sides slot inner wall of inner groovy one
Symmetrically arranged positioning assembling strips 6, one end of positioning assembling strips 6 are stretched out the end face of the fracture one, are had on right forked standard 4 disconnected
Mouthfuls two inner groovy two, left forked standard 2 is connected relatively with right forked standard 4 and the fracture one of the inner groovy one and the fracture two of inner groovy two
It is spliced to form inner groovy 37 by the positioning limit of assembling strips 6, the end face of left forked standard 2 is equipped with bolt hole, and bolt hole is through described
Left forked standard 2 extend in inner groovy one, bolt block 4a is installed on axially opposing right forked standard 4 with bolt hole, bolt 1 passes through
Bolt hole spiral is connected on the bolt block 4a, is used for being additionally provided on the left forked standard 2 of 1 parallelly distribute on of bolt, right forked standard 4
The hinged pipe 8 hinged with electromobile frame；It is tied in practical application, having on the inner wall of the inner groovy one with left 2 one of forked standard
The stiffnut 9 of structure, the center line of the centre bore of stiffnut 9 and the center line overlap of bolt hole, the bolt 1 is from stiffnut
It is pierced by 9 centre bore, the purpose being arranged in this way is to improve the mechanical strength for the junction that bolt 1 is connected on left forked standard 2, is protected
Demonstrate,prove the connective stability of left fork body and right fork body.
In actually manufacture, there is link slot 1 on the outer wall of left 3 front end of yoke, have at the slot bottom of link slot 1
There is forked interconnecting piece 1, there is protrusion 1, left yoke on the inner wall of left 3 front end of yoke corresponding with interconnecting piece 1
Have on 3 inner wall it is interior force slot one, protrusion 1 is in the interior front center position forced in one slot of slot, protrusion 1 and interior
Forcing has the reinforcement partition 1 being crossed to form between the slot inner wall of slot one, inside forcing the rear end in one slot of slot has intersection shape
At reinforcing rib 1；The notch edges of link slot 1 also have the necking step 1 for installing limit.
In actually manufacture, there is link slot 2 16 on the outer wall of right 5 front end of yoke, have at the slot bottom of link slot 2 16
There is forked interconnecting piece 2 17, there is protrusion 2 18, right yoke on the inner wall of right 5 front end of yoke corresponding with interconnecting piece 2 17
Have on 5 inner wall it is interior force slot two, protrusion 2 18 is in the interior front center position forced in two slot of slot, protrusion 2 18 and interior
Forcing has the reinforcement partition 2 19 being crossed to form between the slot inner wall of slot two, inside forcing the rear end in two slot of slot has intersection shape
At reinforcing rib 2 20, protrusion 2 18 end also there is the positioning column 1 for connection, the medium position of reinforcing rib 2 20
Also there is the positioning column 2 22 for connection；The notch edges of link slot 2 16 also have the necking step two for installing limit
23。
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although bolt 1 is used more herein；Left forked standard 2；Left yoke 3；Right forked standard 4；Bolt block 4a；Right yoke 5；It is fixed
Position assembling strips 6；Inner groovy 37；Hinged pipe 8；Stiffnut 9；Link slot 1；Interconnecting piece 1；Protrusion 1；Reinforce partition
One 13；Reinforcing rib 1；Necking step 1；Link slot 2 16；Interconnecting piece 2 17；Protrusion 2 18；Reinforce partition 2 19；Reinforce
Muscle 2 20；Positioning column 1；Positioning column 2 22；The terms such as necking step 2 23, but the possibility using other terms is not precluded
Property.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as any
The additional limitation of one kind is all contrary to the spirit of the present invention.
Claims (6)
1. a kind of chain stay of electric vehicle, including left fork body, right fork body, the left fork body and right fork body are connected by bolt (1),
It is characterized in that, the left fork body include left forked standard (2), with left forked standard (2) be in vertical distribution and with left forked standard (2) one at
The left yoke (3) of type, the right fork body include right forked standard (4), with right forked standard (4) be in vertical distribution and with right forked standard (4) one
Body formed right yoke (5), with the inner groovy one of fracture one, the both sides of the inner groovy one on the left forked standard (2)
There is symmetrically arranged positioning assembling strips (6), the fracture one is stretched out in one end of the positioning assembling strips (6) on slot inner wall
End face, with the inner groovy two of fracture two, the left forked standard (2) and the right forked standard (4) on the right forked standard (4)
The fracture two of relatively connected and the inner groovy one fracture one and inner groovy two is spliced to form interior by positioning assembling strips (6) limit
Groove three (7), the end face of the left forked standard (2) are equipped with bolt hole, and the bolt hole prolongs through the left forked standard (2)
It extends in inner groovy one, is installed with bolt block (4a) on the right forked standard (4) axially opposing with bolt hole, the bolt (1) is worn
It crosses the bolt hole spiral to be connected on the bolt block (4a), left forked standard (2), right fork with bolt (1) parallelly distribute on
It is additionally provided on seat (4) for the hinged pipe (8) hinged with electromobile frame.
2. a kind of chain stay of electric vehicle according to claim 1, which is characterized in that have on the inner wall of the inner groovy one
There is a stiffnut (9) with left forked standard (2) integral structure, the center line of the centre bore of the stiffnut (9) and described
The center line overlap of bolt hole.
3. a kind of chain stay of electric vehicle according to claim 2, which is characterized in that outside described left yoke (3) front end
There is link slot one (10) on wall, there is forked interconnecting piece one (11) at the slot bottom of the link slot one (10), with connection
There are raised one (12) on the inner wall of corresponding left yoke (3) front end in portion one (11), have on the inner wall of the left yoke (3)
Force slot one in having, the protrusion one (12) is in the interior front center position forced in one slot of slot, the protrusion one
(12) there is the reinforcement partition one (13) that is crossed to form between the interior slot inner wall for forcing slot one, it is described in force in one slot of slot
Rear end there is the reinforcing rib one (14) that is crossed to form.
4. a kind of chain stay of electric vehicle according to claim 3, which is characterized in that the notch of the link slot one (10)
Edge also has the necking step one (15) for installing limit.
5. a kind of chain stay of electric vehicle according to claim 2 or 4, which is characterized in that described right yoke (5) front end
There is link slot two (16) on outer wall, there is forked interconnecting piece two (17) at the slot bottom of the link slot two (16), with company
There are raised two (18), on the inner wall of the right yoke (5) on the inner wall of corresponding right yoke (5) front end of socket part two (17)
Force slot two with interior, the protrusion two (18) is in the interior front center position forced in two slot of slot, the protrusion two
(18) there is the reinforcement partition two (19) that is crossed to form between the interior slot inner wall for forcing slot two, it is described in force in two slot of slot
Rear end there is the reinforcing rib two (20) that is crossed to form, the end of the protrusion two (18) also has the positioning column for connection
One (21), the medium position of the reinforcing rib two (20) also have the positioning column two (22) for connection.
6. a kind of chain stay of electric vehicle according to claim 5, which is characterized in that the notch of the link slot two (16)
Edge also has the necking step two (23) for installing limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821071596.4U CN208429199U (en) | 2018-07-07 | 2018-07-07 | A kind of chain stay of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821071596.4U CN208429199U (en) | 2018-07-07 | 2018-07-07 | A kind of chain stay of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208429199U true CN208429199U (en) | 2019-01-25 |
Family
ID=65099585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821071596.4U Active CN208429199U (en) | 2018-07-07 | 2018-07-07 | A kind of chain stay of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208429199U (en) |
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2018
- 2018-07-07 CN CN201821071596.4U patent/CN208429199U/en active Active
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