CN208396539U - For the medium spring of vehicle tail door and with its vehicle - Google Patents
For the medium spring of vehicle tail door and with its vehicle Download PDFInfo
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- CN208396539U CN208396539U CN201820626057.6U CN201820626057U CN208396539U CN 208396539 U CN208396539 U CN 208396539U CN 201820626057 U CN201820626057 U CN 201820626057U CN 208396539 U CN208396539 U CN 208396539U
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- limit
- limited block
- motion bar
- tail
- vehicle
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Abstract
The utility model discloses a kind of medium spring for vehicle tail door and with its vehicle.The medium spring includes: fixed link；Motion bar, the motion bar are at least partly embedded in the fixed link；Limiting device, the limiting device is arranged in the fixed link and has limit state and unlocked state, when the limiting device is in the limit state, the limiting device, which is suitable for only supporting under the vehicle tail door closed state, limits the motion bar, and when the limiting device is in the unlocked state, the relatively described fixed link of the motion bar can move freely.Medium spring according to the present utility model for vehicle tail door, by the way that limiting device is arranged, medium spring is reduced after tail-gate is closed to the thrust of tail-gate, to reduce the risk of tail-gate sinking, it is possible thereby to reduce the rigidity requirement of the tail-gate installation point position of car body, and then complete vehicle weight and cost are advantageously reduced, it improves automobile reliability and tail-gate is opened and closed endurance quality.
Description
Technical field
The utility model relates to automotive fields, in particular to a kind of medium spring for vehicle tail door and have
Its vehicle.
Background technique
It is the key points and difficulties problem of tail-gate design that vehicle tail door, which sinks,.In addition to other than by self gravity when tail-gate is closed, gas
Spring can also be applied to the downward thrust of tail-gate due to compressed, so gas spring thrust is an important factor for causing tail-gate to sink
One of.It is uneven that vehicle tail door sinking will cause tail-gate appearance clearance surface difference, and collide with bumper for tail-gate lower part when closing, when serious
Also will cause tail-gate can not locking, influence the service performance and endurance quality of vehicle exterior quality and tail-gate.
In the prior art, to avoid tail-gate from sinking, need to increase the rigidity of the tail-gate installation point position of car body, to bear
The gentle spring thrust of tail-gate gravity, but not only result in complete vehicle weight, increased costs in this way, it is also possible to influence automobile reliability and
Tail-gate is opened and closed endurance quality.There is also similar problems for the hood opened using gas spring.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose,
The utility model proposes a kind of medium springs for vehicle tail door, and when tail-gate is closed, medium spring will not generate tail-gate
Thrust.
The utility model also proposed a kind of vehicle with the above-mentioned medium spring for vehicle tail door.
It include: fixed link according to the medium spring for vehicle tail door of the utility model embodiment；Motion bar, the work
Lever is at least partly embedded in the fixed link；Limiting device, the limiting device are arranged in the fixed link and have
There are limit state and unlocked state, when the limiting device is in the limit state, the limiting device is suitable for described
It is only supported under vehicle tail door closed state and limits the motion bar, and when the limiting device is in the unlocked state, it is described
The relatively described fixed link of motion bar can move freely.
It is reduced according to the medium spring for vehicle tail door of the utility model embodiment by the way that limiting device is arranged
Medium spring is to the thrust of tail-gate after tail-gate is closed, so that the risk of tail-gate sinking is reduced, it is possible thereby to reduce the tail of car body
The rigidity requirement of door installation point position, and then complete vehicle weight and cost are advantageously reduced, improve automobile reliability and tail-gate opening and closing
Endurance quality.
Specifically, the motion bar includes: major diameter section and path section, and the major diameter section is embedded in the fixed link, institute
It states path section and at least partly stretches out the fixed link, the diameter of the major diameter section is greater than the diameter of the path section, described big
The transition axis shoulder of diameter section and the path section becomes positive stop lug boss, and the limiting device is used to limit the position of the positive stop lug boss
It sets.
Further, the limiting device includes: limit base, and the limit base is fixed on one end of the fixed link, and
The limit base has the center through hole worn for the motion bar；Limited block, the limited block are movably disposed in described
In limit base, and the limited block changes the length for stretching out the center through hole inner peripheral surface by moving, so that the limit
Block and the positive stop lug boss only support limit or the limited block are made to leave the positive stop lug boss.
Some embodiments according to the present utility model, the medium spring for vehicle tail door further include: for driving
The driving device of the limited block movement, the driving device are arranged in the limit base.
Optionally, the driving device is electromagnet, and when the electromagnet is powered, the limited block is far from the limit
Position boss；
The medium spring further include: return spring, the return spring are arranged in limit base, disconnected in the electromagnet
When electric, the limited block is only against on the positive stop lug boss by the return spring.
Specifically, the limit base includes: pedestal, and the pedestal is fixed on one end of the fixed link, in the pedestal
It is provided with pedestal limit chamber；End cap, the end cap is fixed on the base, and end cap limit chamber, institute are provided in the end cap
It states pedestal limit chamber and limited block limit chamber is collectively formed in the end cap limit chamber.
Further, the limited block includes: limit block body and defining flange, and the return spring is suitable for only supporting institute
State defining flange.
Further, the pedestal limit chamber includes: interconnected the first limit chamber and the second limit chamber, the driving
Device and the limit block body are arranged in first limit chamber, and the return spring and the defining flange are arranged in institute
It states in the second limit chamber and the end cap limit chamber.
Optionally, the limited block is multiple, and multiple limited blocks uniformly divide along the central axis of the motion bar
Cloth.
According to the vehicle of the utility model another aspect embodiment, comprising: tail-gate and above-mentioned for vehicle tail door
One end of medium spring, the medium spring is connected with car body, and the other end is connected with the tail-gate.
Detailed description of the invention
Fig. 1 is the overall schematic of the medium spring for vehicle tail door；
Fig. 2 is the partial assembled schematic diagram of the medium spring for vehicle tail door；
Fig. 3 is the partial exploded view of the medium spring for vehicle tail door；
Fig. 4 is the schematic diagram that limiting device is in limit state；
Fig. 5 is limiting device schematic diagram in the unlocked state；
Fig. 6 is vehicle tail door closed mode schematic diagram.
Appended drawing reference:
Medium spring 10, fixed link 1, motion bar 2, major diameter section 21, path section 22, positive stop lug boss 23, limiting device 3, limit
Position seat 31, pedestal 311, pedestal limit chamber 3111, the first limit chamber 3112, the second limit chamber 3113, pedestal fixation hole 3114, end
Lid 312, end cap limit chamber 3121, end cap installing hole 3122, limited block 32, limit block body 321, defining flange 322, center are logical
Hole 33, driving device 4, return spring 5, fixed knock-off joint 6, movable knock-off joint 7, installation bolt 8, tail-gate 20, hinge 30.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
It is connected directly, the mutual of connection inside two elements or two elements can also be can be indirectly connected through an intermediary
Interactively.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this as the case may be
Concrete meaning in type.
Below with reference to Fig. 1-Fig. 6 detailed description according to the medium spring for vehicle tail door of the utility model embodiment
10。
Shown in referring to Fig.1, the medium spring 10 for vehicle tail door according to the utility model embodiment may include: solid
Fixed pole 1, motion bar 2 and limiting device 3.
Motion bar 2 is at least partly embedded in fixed link 1, and motion bar 2 can do reciprocal shifting along the axis of fixed link 1
Dynamic, when tail-gate 20 is closed, motion bar 2 is located in fixed link 1 to the maximum extent, when tail-gate 20 is opened, motion bar 2 gradually from
It stretches out and goes in fixed link 1, to support tail-gate 20.
Limiting device 3 is arranged in fixed link 1, and limiting device 3 has limit state and unlocked state, in limiting device
3 be in limit state when, as shown in figure 4, limiting device 3 be suitable under 20 closed state of vehicle tail door only support limit motion bar 2,
As a result, after the closing of tail-gate 20, medium spring 10 will not generate downward thrust to tail-gate 20, so as to substantially reduce tail-gate
20 risks sunk.And when limiting device 3 is in the unlocked state, as shown in figure 5, the relatively fixed bar 1 of motion bar 2 can be moved freely
It is dynamic, to support tail-gate 20.
In a particular embodiment, medium spring 10 can be gas spring, be also possible to hydraulic oil spring.A left side for fixed link 1
End is provided with fixed knock-off joint 6, and the right end of motion bar 2 is provided with movable knock-off joint 7, is assembled on vehicle by medium spring 10
When, fixed knock-off joint 6 is connected with tail-gate 20, and movable knock-off joint 7 is connected with car body.
It is reduced according to the medium spring 10 for vehicle tail door of the utility model embodiment by the way that limiting device 3 is arranged
Medium spring 10 is to the thrust of tail-gate 20 after tail-gate 20 is closed, so that the risk of the sinking of tail-gate 20 is reduced, it is possible thereby to drop
The rigidity requirement of the low tail-gate installation point position to car body, and then complete vehicle weight and cost are advantageously reduced, it is reliable to improve vehicle
The opening and closing endurance quality of property and tail-gate 20.
Specifically, as shown in fig. 4-5, motion bar 2 may include: major diameter section 21 and path section 22, major diameter section 21 and small
Diameter section 22 is fixedly linked, and major diameter section 21 is embedded in fixed link 1, and path section 22 at least partly stretches out fixed link 1, major diameter section
21 diameter is greater than the diameter of path section 22, and major diameter section 21 and the transition axis shoulder of path section 22 become positive stop lug boss 23, limit
Device 3 is used to limit the position of positive stop lug boss 23, to achieve the purpose that limit 2 position of motion bar.
Further, as shown in figs 2-4, limiting device 3 may include: limit base 31 and limited block 32, limit base 31
It is fixed on one end (i.e. right end in Fig. 2) of fixed link 1, and limit base 31 has the center through hole 33 worn for motion bar 2, knot
It closes shown in Fig. 5, limited block 32 is movably disposed in limit base 31, and limited block 32 changes stretching center by moving and leads to
The length of 33 inner peripheral surface of hole, so that limited block 32 and positive stop lug boss 23 only to limit or make limited block 32 leave positive stop lug boss
23。
In other words, along the radial of limit base 31 stretching motion can occur for limited block 32, with close to or far from motion bar 2, when
When limited block 32 stretches out the inner peripheral surface of center through hole 33, limited block 32 and positive stop lug boss 23 only support limit, the movement quilt of motion bar 2
Limitation, i.e., motion bar 2 can not be stretched out out of fixed link 1, and when limited block 32 retracts limit base 31, limited block 32 leaves limit convex
Platform 23, motion bar 2 can continue to stretch out out of fixed link 1.
Medium spring 10 for vehicle tail door can also include driving device 4, and driving device 4 is for driving limited block 32
Movement, and driving device 4 also can be set in limit base 31.
Optionally, driving device 4 is electromagnet, and when electromagnet is powered, can be by the magnetic force of electromagnet by limited block
32 suck back in limit base 31, make limited block 32 far from positive stop lug boss 23, as shown in Figure 5.
Medium spring 10 can also include return spring 5, and return spring 5 is arranged in limit base 31, power off in electromagnet
When, limited block 32 is only against on positive stop lug boss 23 by return spring 5, as shown in Figure 4.Specifically, it is assembled in medium spring 10
After the completion, return spring 5 can be maintained at compressive state at the moment, so that the moment is applied to limited block 32 1 towards 2 axis of motion bar
The elastic force in line direction.In electromagnet power-off, limited block 32 is stretched out out of limit base 31 under the elastic force effect of return spring 5
It goes, is blocked in limited block 32 on the motion path of motion bar 2, to achieve the purpose that backstop motion bar 2 moves.
Specifically, as shown in Figure 3-Figure 5, limit base 31 may include: pedestal 311 and end cap 312, and limited block 32 is suitable for peace
Between pedestal 311 and end cap 312, the center of pedestal 311 and end cap 312 all has the center through hole passed through for motion bar 2
33.Specifically, pedestal 311 is fixed on one end (i.e. right end in Fig. 2) of fixed link 1, pedestal limit is provided in pedestal 311
Chamber 3111, end cap 312 are fixed on pedestal 311, are provided with end cap limit chamber 3121 in end cap 312, pedestal limit chamber 3111 with
Limited block limit chamber is collectively formed in end cap limit chamber 3121.Limited block 32 is adapted to mount in limited block limit chamber, thus will fortune
Dynamic part (i.e. limited block 32) protection is in limit base 31.
As shown in Figure 3-Figure 5, it is provided with pedestal fixation hole 3114 on pedestal 311, is provided with end cap installing hole on end cap 312
3122, installation bolt 8 is fixed in pedestal fixation hole 3114 after passing through end cap installing hole 3122, is achieved in end cap 312 and bottom
The fixation of seat 311.Pedestal fixation hole 3114 can be threaded hole, and end cap installing hole 3122 can be counterbore, will install bolt 8
After screwing in pedestal fixation hole 3114 and end cap installing hole 3122, installation bolt 8 is sunk to completely in end cap installing hole 3122, is conducive to
Improve the aesthetics of limit base 31.
Optionally, end cap 312 is fixed together by three installation bolts 8 with pedestal 311.Preferably, three installation spiral shells
Bolt 8 is uniformly distributed along the central axis of end cap 312, thus can make the fixation between end cap 312 and pedestal 311 it is stronger, can
It leans on.
Further, as shown in fig. 4-5, limited block 32 may include: to limit block body 321 and defining flange 322,
Defining flange 322 outwardly protrudes the surface of limit block body 321, and return spring 5 is suitable for only supporting defining flange 322, be pushed away with reaching
The purpose of dynamic limited block 32.Defining flange 322 can be set in the middle part of limit block body 321, a part limit block body 321
It can be embedded in the inner ring of return spring 5.
Further, as shown in figure 4, pedestal limit chamber 3111 may include: interconnected 3112 He of the first limit chamber
Second limit chamber 3113, driving device 4 and limit block body 321 are arranged in the first limit chamber 3112, return spring 5 and limit
Flange 322 is arranged in the second limit chamber 3113 and end cap limit chamber 3121.In other words, driving device 4 and limit block body 321
It is mounted in pedestal 311, return spring 5 and defining flange 322 are located in pedestal 311 and end cap 312 simultaneously.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include one or more of the features.
When tail-gate 20 is closed, medium spring 10 is compressed into shortest length, i.e. motion bar 2 is located at fixes to the maximum extent
Inside bar 1, under the elastic force effect of return spring 5, limited block 32 is popped up out of limit base 31, and the stretching center of limited block 32 is logical
The part of 33 inner peripheral surface of hole is stuck on positive stop lug boss 23, to realize limit of the limited block 32 to motion bar 2.At this point, medium spring
10 since the interactions that the thrust that compression generates is limited block 32 and positive stop lug boss 23 are offset, will not again to tail-gate 20 generate to
Under thrust improve the endurance quality of tail-gate 20, and then reduce so that considerably reducing tail-gate 20 generates the risk of sinking
To avoid tail-gate 20 from sinking and increased structure and cost.
When the unlock of tail-gate 20 (opening), electromagnet energization, which generates magnetic force, overcomes limited block 32 by magneticaction
The elastic force of return spring 5 is mobile outward (direction i.e. far from 2 axis of motion bar), when limited block 32 avoids positive stop lug boss 23,
Motion bar 2 can release limit, and under the action of medium 10 compressed gas of spring, motion bar 2 can be stretched out out of fixed link 1,
And then realize that tail-gate 20 is opened.
Optionally, limited block 32 is multiple, as shown in figure 3, multiple limited blocks 32 uniformly divide along the central axis of motion bar 2
Cloth.In this way, when multiple limited blocks 32 only support positive stop lug boss 23 jointly, it is relatively reliable to the limitation of motion bar 2.
Vehicle according to the utility model another aspect embodiment may include: being used for for tail-gate 20 and above-described embodiment
The medium spring 10 of vehicle tail door, as shown in fig. 6, one end of medium spring 10 is connected with car body, the other end is connected with tail-gate 20.
Tail-gate 20 is connect by medium spring 10, hinge 30 with car body.Specifically, the upper end of tail-gate 20 passes through hinge 30
It is connected with car body, the quantity of hinge 30 can be two, and two hinges 30 are along the spaced apart width wise of tail-gate 20.Fixed link
1 is connected by fixed knock-off joint 6 with tail-gate 20, and motion bar 2 passes through movable knock-off joint 7 and is connected with car body.
Optionally, on the same tail-gate 20, the quantity of medium spring 10 can be two, and two medium springs 10 divide
The left and right sides of tail-gate 20 is not set, and medium spring 10 can prop up tail-gate 20 simultaneously from the left and right sides as a result, advantageously ensure that
Tail-gate 20 is smoothly opened.
In some unshowned embodiments, the medium spring 10 for vehicle tail door of above-described embodiment can also be answered
With on the hood of vehicle, although hood is without subsidence problems, there is also produce due to the compression thrust because of gas spring
The problem of raw clearance surface difference and influence reliability, opening and closing durability.It is replaced by the medium spring 10 of the utility model embodiment
It after traditional gas spring, can effectively solve these problems, to reduce the clearance surface difference of hood, that improves hood can
By property, opening and closing durability.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is contained at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms
Necessarily it is directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, those skilled in the art can be by this
Different embodiments or examples described in specification are engaged and are combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of medium spring for vehicle tail door characterized by comprising
Fixed link；
Motion bar, the motion bar are at least partly embedded in the fixed link；
Limiting device, the limiting device is arranged in the fixed link and has limit state and unlocked state, in the limit
When position device is in the limit state, the limiting device is suitable under the vehicle tail door closed state only supporting described in limit
Motion bar, and when the limiting device is in the unlocked state, the relatively described fixed link of the motion bar can move freely.
2. the medium spring according to claim 1 for vehicle tail door, which is characterized in that the motion bar includes: big
Diameter section and path section, the major diameter section are embedded in the fixed link, and the path section at least partly stretches out the fixed link,
The diameter of the major diameter section is greater than the diameter of the path section, and the transition axis shoulder of the major diameter section and the path section becomes limit
Position boss, the limiting device are used to limit the position of the positive stop lug boss.
3. the medium spring according to claim 2 for vehicle tail door, which is characterized in that the limiting device includes:
Limit base, the limit base is fixed on one end of the fixed link, and there is the limit base confession motion bar to wear
Center through hole；
Limited block, the limited block are movably disposed in the limit base, and the limited block changes and stretches by moving
The length of the center through hole inner peripheral surface out, so that the limited block and the positive stop lug boss only support limit or make the limit
Block leaves the positive stop lug boss.
4. the medium spring according to claim 3 for vehicle tail door, which is characterized in that further include: for driving
The driving device of limited block movement is stated, the driving device is arranged in the limit base.
5. the medium spring according to claim 4 for vehicle tail door, which is characterized in that the driving device is electromagnetism
Iron, and when the electromagnet is powered, the limited block is far from the positive stop lug boss；
The medium spring further include: return spring, the return spring are arranged in limit base, power off in the electromagnet
When, the limited block is only against on the positive stop lug boss by the return spring.
6. the medium spring according to claim 5 for vehicle tail door, which is characterized in that the limit base includes:
Pedestal, the pedestal are fixed on one end of the fixed link, pedestal limit chamber are provided in the pedestal；
End cap, the end cap is fixed on the base, is provided with end cap limit chamber in the end cap, the pedestal limit chamber with
Limited block limit chamber is collectively formed in the end cap limit chamber.
7. the medium spring according to claim 6 for vehicle tail door, which is characterized in that the limited block includes: limit
Position block body and defining flange, the return spring are suitable for only supporting the defining flange.
8. the medium spring according to claim 7 for vehicle tail door, which is characterized in that the pedestal limit chamber packet
Include: interconnected the first limit chamber and the second limit chamber, the driving device and limit block body setting are described the
In one limit chamber, the return spring and the defining flange are arranged in second limit chamber and the end cap limit chamber.
9. the medium spring according to claim 3 for vehicle tail door, which is characterized in that the limited block be it is multiple,
And multiple limited blocks are uniformly distributed along the central axis of the motion bar.
10. a kind of vehicle characterized by comprising
Tail-gate；
It is used for the medium spring of vehicle tail door, one end of the medium spring and vehicle as claimed in any one of claims 1-9 wherein
Body is connected, and the other end is connected with the tail-gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820626057.6U CN208396539U (en) | 2018-04-27 | 2018-04-27 | For the medium spring of vehicle tail door and with its vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820626057.6U CN208396539U (en) | 2018-04-27 | 2018-04-27 | For the medium spring of vehicle tail door and with its vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396539U true CN208396539U (en) | 2019-01-18 |
Family
ID=65062915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820626057.6U Active CN208396539U (en) | 2018-04-27 | 2018-04-27 | For the medium spring of vehicle tail door and with its vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681925A (en) * | 2020-12-16 | 2021-04-20 | 北京汽车股份有限公司 | Gas spring for vehicle, tail gate and car |
-
2018
- 2018-04-27 CN CN201820626057.6U patent/CN208396539U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681925A (en) * | 2020-12-16 | 2021-04-20 | 北京汽车股份有限公司 | Gas spring for vehicle, tail gate and car |
| CN112681925B (en) * | 2020-12-16 | 2022-09-13 | 北京汽车股份有限公司 | Gas spring for vehicle, tail gate and car |
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