CN209538993U - A kind of tail door supporting rod and automobile - Google Patents
A kind of tail door supporting rod and automobile Download PDFInfo
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- CN209538993U CN209538993U CN201821397933.9U CN201821397933U CN209538993U CN 209538993 U CN209538993 U CN 209538993U CN 201821397933 U CN201821397933 U CN 201821397933U CN 209538993 U CN209538993 U CN 209538993U
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- piston
- cavity
- control assembly
- outer tube
- compensation control
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Abstract
The utility model discloses a kind of tail door supporting rods, including outer tube, piston and compensation control assembly, the piston and the compensation control assembly are respectively positioned on inside the outer tube, the piston connects piston rod, the free end of the piston rod and the outer tube are equipped with connecting ball head far from one end of the piston rod, the compensation control assembly is set between the inner wall of the piston and the outer tube far from the piston rod, the compensation control assembly will be divided into the first cavity and the second cavity inside the outer tube, first cavity to second cavity gas flow rate in low temperature when higher temperatures it is low.The air pressure in the first cavity can be controlled according to temperature using compensation control assembly, when low temperature, gas becomes smaller from the flow velocity that the first cavity flow to the second cavity, to increase air pressure under low-temperature condition, realizes the support force compensating to the tail door supporting rod.The invention also discloses a kind of automobiles using above-mentioned tail door supporting rod.
Description
Technical field
The utility model relates to technical field of automobile parts, more particularly to a kind of tail door supporting rod and automobile.
Background technique
With the rapid development of auto industry and the promotion of people's living standard, automobile has become people's trip, shipping
Etc. indispensable one of the vehicles.
Tail door supporting rod is used to be supported tail-gate when automobile tail gate is opened, and existing tail door supporting rod all uses mechanical elastic
Spring and combination with any air spring for only stopping function are supported.When opening tail-gate, in mechanical spring and air bullet
Under the action of spring, tail-gate can be supported automatically, without additionally using support construction.
Due to using air spring in tail door supporting rod, and gas can change air at different temperature, then when
When temperature changes, when necessarily will affect the support force of air spring, especially temperature reduces, the pressure in air spring can become
It is small, cause tail door supporting rod support force insufficient.
Utility model content
One purpose of the utility model be to propose it is a kind of can be to the tail door supporting rod that support force compensates.
A kind of tail door supporting rod, including outer tube, piston and compensation control assembly, the piston and the compensation control assembly
It is respectively positioned on inside the outer tube, the inner wall activity of the piston and the outer tube cooperates, and the piston connects piston rod, institute
It states piston rod to be arranged through the outer tube, the one end of the free end of the piston rod and the outer tube far from the piston rod
It is equipped with connecting ball head, the connecting ball head is set for being respectively used to connection body of a motor car and tail-gate, the compensation control assembly
It is placed between the inner wall of the piston and the outer tube far from the piston rod, the compensation control assembly is by the outer tube
Inside is divided into the first cavity and the second cavity, and second cavity is far from the piston, and the compensation control assembly is used for
Control the gas exchanges between first cavity and second cavity, the gas of first cavity to second cavity
Flow velocity is low when higher temperatures in low temperature.
According to the utility model proposes tail door supporting rod, using compensation control assembly can according to temperature control the first cavity in
Air pressure, when low temperature, gas becomes smaller from the flow velocity that the first cavity flow to the second cavity, then can retain in the first cavity more
Gas realizes the support force compensating to the tail door supporting rod to increase air pressure under low-temperature condition.
In addition, can also have the following additional technical features: according to tail door supporting rod provided by the utility model
Further, the compensation control assembly is equipped with air inlet and air outlet, the compensation control far from the piston
Component is equipped with via hole close to the piston, and the via hole is connected to the air inlet and the gas outlet simultaneously, the air inlet
Place is equipped with the Non-return air valve be connected from the second cavity to the first cavity, and thermostat valve, the thermostat valve point are equipped at the gas outlet
It is not opened and closed in high temperature and low temperature.
Further, sealing is equipped with far from the side of the compensation control assembly positioned at the piston in first cavity
Part, the sealing element are slidably matched with the piston rod, and the sealing element is used to prevent from producing to the inner sealing of the outer tube
Raw gas leakage leads to the problem of additional air pressure deficiency.
Further, the inner wall of first cavity is equipped with bulge loop, bulge loop between the piston and the sealing element
Piston can be limited, while prevent piston from colliding repeatedly to sealing element, sealing element is caused to damage.
Further, the piston is equipped with groove close to the one side of the compensation control assembly, since piston is generally soft
Property material, certain deformation can be generated when piston contact compensates control assembly, then deformation occurs therewith and excludes certain for groove
Gas, when piston starts to be detached from compensation control assembly, groove starts to restore, but air pressure at this time is less than ambient pressure, then can produce
Raw certain negative pressure is detached from compensation control assembly to piston and generates certain resistance, produces certain buffering, prevent the tail-gate
Strut excessively rapidly stretches and causes to damage.
Further, the compensation control assembly corresponds to the groove equipped with boss, the groove and the boss gap
Cooperation extends the distance that piston is detached from compensation control assembly, that is, enhances buffering effect.
Further, the via hole is arranged on the boss, is convenient for the quick outlet of via hole.
Further, the boss is plane towards the face of the piston, and the vacuum effect compared with the generation of curved surface is more preferable.
Another purpose of the utility model is to propose a kind of automobile using above-mentioned tail door supporting rod.
The beneficial effects of the utility model are: the gas in the first cavity can be controlled according to temperature using compensation control assembly
Pressure, when low temperature, gas becomes smaller from the flow velocity that the first cavity flow to the second cavity, thus increase air pressure under low-temperature condition, it is real
Now to the support force compensating of the tail door supporting rod；Groove can generate buffer function, prevent tail door supporting rod from damaging because tensile speed is too fast
It is bad.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the schematic cross-sectional view of the tail door supporting rod of the utility model first embodiment；
In figure: 1- outer tube, the first cavity of 11-, the second cavity of 12-, 13- bulge loop, 2- piston, 21- piston rod, 22- are recessed
Slot, 3- compensate control assembly, 31- via hole, 32- check valve, 33- thermostat valve, 34- boss, 4- connecting ball head.
Specific embodiment
It is practical to this with reference to the accompanying drawing to keep the purpose of this utility model, feature and advantage more obvious and easy to understand
Novel specific embodiment is described in detail.Several embodiments of the utility model are given in attached drawing.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to keep the disclosure to the utility model more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
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 be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
Referring to Fig. 1, the first embodiment of the utility model proposes a kind of tail door supporting rod, including outer tube 1,2 and of piston
Compensate control assembly 3.
The piston 2 and the compensation control assembly 3 are respectively positioned on inside the outer tube 1, the piston 2 and the housing
The inner wall activity of pipe 1 cooperates, and the piston 2 connects piston rod 21, and the piston rod 21 is arranged through the outer tube 1, described
The free end of piston rod 21 and the outer tube 1 are equipped with connecting ball head 4, the connected ball far from one end of the piston rod 21
First 4 for being respectively used to connection body of a motor car and tail-gate, and the compensation control assembly 3 is set to the piston 2 and the housing
Between inner wall of the pipe 1 far from the piston rod 21, the compensation control assembly 3 will be divided into the first sky inside the outer tube 1
Chamber 11 and the second cavity 12, second cavity 12 are far from the piston 2, and the compensation control assembly 3 is described for controlling
Gas exchanges between first cavity 11 and second cavity 12, the gas of first cavity 11 to second cavity 12
Flow velocity is small when higher temperatures in low temperature.
In the present embodiment, the critical value of high temperature and low temperature is 35~40 DEG C, can be according to temperature using compensation control assembly 3
The air pressure in the first cavity 11 is controlled, when environment temperature is high temperature, the first cavity 11 and the second cavity 12 are connected state, gas
Physical efficiency freely flows in the first cavity 11 and the second cavity 12, and when low temperature, gas flow to the second cavity from the first cavity 11
12 flow velocity becomes smaller, then can retain more gas in the first cavity 11, to increase air pressure under low-temperature condition, realize to this
The support force compensating of tail door supporting rod.
The compensation control assembly 3 is equipped with air inlet and air outlet far from the piston 2, and the compensation control assembly 3 is leaned on
The nearly piston 3 is equipped with via hole 31, and the via hole 31 is connected to the air inlet and the gas outlet simultaneously, at the air inlet
Equipped with the Non-return air valve 32 be connected from the second cavity 12 to the first cavity 11, thermostat valve 33, the temperature are equipped at the gas outlet
Control valve 33 is opened and closed in high temperature and low temperature respectively.
The working principle of compensation control assembly 3 is: when environment temperature is high temperature, the first cavity 11 and the second cavity 12 are logical
Crossing thermostat valve 33 is connected state；When environment temperature be low temperature when, thermostat valve 33 close, greatly reduce from the first cavity 11 to
The gas of second cavity 12 flows, and pulls piston that the gas in the second cavity 12 can be made to enter the first cavity by guide valve at this time
In 11, wherein most gas can not be turned again in the second cavity 12, be realized accordingly to the support force of the tail door supporting rod
Compensation.
It is equipped with sealing element 22 far from the side of the compensation control assembly 3 positioned at the piston 2 in first cavity 11,
The sealing element 22 is slidably matched with the piston rod 21, and the sealing element 22 is used for the inner sealing to the outer tube 1, prevents
Gas leakage is only generated, additional air pressure deficiency is led to the problem of.
The inner wall of first cavity 11 is equipped with bulge loop 13, bulge loop 13 between the piston 2 and the sealing element 22
Piston 2 can be limited, while prevent piston 2 from colliding repeatedly to sealing element 22, sealing element 22 is caused to damage.
The piston 2 is equipped with groove 22 close to the one side of the compensation control assembly 3, since piston 2 is generally flexible material
Matter can generate certain deformation when piston 2 contacts compensation control assembly 3, then deformation occurs therewith and it is certain to exclude for groove 22
Gas, when piston 2 starts to be detached from compensation control assembly 3, groove starts to restore, but air pressure at this time is less than ambient pressure, then can
Certain negative pressure is generated, compensation control assembly is detached to piston 2 and generates certain resistance, certain buffering is produced, prevents this
Tail door supporting rod excessively rapidly stretches and causes to damage.
The corresponding groove 22 of the compensation control assembly 3 is equipped with boss 34, the groove 22 and 34 gap of boss
Cooperation extends the distance that piston 2 is detached from compensation control assembly 3, that is, enhances buffering effect.
The via hole 31 is arranged on the boss 34, is convenient for the quick outlet of via hole 31.
The boss 34 is plane towards the face of the piston 2, and the vacuum effect compared with the generation of curved surface is more preferable.
The second embodiment of the utility model proposes a kind of automobile, which includes at least the tail-gate support in first embodiment
Bar.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same 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.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of tail door supporting rod, which is characterized in that including outer tube, piston and compensation control assembly, the piston and the benefit
It repays control assembly to be respectively positioned on inside the outer tube, the inner wall activity of the piston and the outer tube cooperates, and the piston connects
It takes over a job stopper rod, the piston rod is arranged through the outer tube, and the free end of the piston rod and the outer tube are far from described
One end of piston rod is equipped with connecting ball head, and the connecting ball head is for being respectively used to connection body of a motor car and tail-gate, the benefit
It repays control assembly to be set between the inner wall of the piston and the outer tube far from the piston rod, the compensation control assembly
The first cavity and the second cavity will be divided into inside the outer tube, second cavity is far from the piston, the compensation
Control assembly is used to control gas exchanges between first cavity and second cavity, first cavity to described the
The gas flow rate of two cavitys is low when higher temperatures in low temperature.
2. tail door supporting rod according to claim 1, which is characterized in that the compensation control assembly is equipped with far from the piston
Air inlet and air outlet, the compensation control assembly close to the piston be equipped with via hole, the via hole simultaneously with the air inlet
It is connected to the gas outlet, the Non-return air valve be connected from the second cavity to the first cavity, the outlet is equipped at the air inlet
Thermostat valve is equipped at mouthful, the thermostat valve is opened and closed in high temperature and low temperature respectively.
3. tail door supporting rod according to claim 1, which is characterized in that be located at the piston in first cavity far from institute
The side for stating compensation control assembly is equipped with sealing element, and the sealing element is slidably matched with the piston rod, and the sealing element is used for
To the inner sealing of the outer tube.
4. tail door supporting rod according to claim 3, which is characterized in that the inner wall of first cavity be located at the piston and
Bulge loop is equipped between the sealing element.
5. tail door supporting rod according to claim 2, which is characterized in that the piston compensates the one of control assembly close to described
Face is equipped with groove.
6. tail door supporting rod according to claim 5, which is characterized in that the compensation control assembly corresponds to the groove and is equipped with
Boss, the groove and the boss clearance fit.
7. tail door supporting rod according to claim 6, which is characterized in that the via hole is arranged on the boss.
8. tail door supporting rod according to claim 6, which is characterized in that the boss towards the face of the piston be plane,
Vacuum effect compared with the generation of curved surface is more preferable.
9. a kind of automobile, which is characterized in that including tail door supporting rod described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821397933.9U CN209538993U (en) | 2018-08-28 | 2018-08-28 | A kind of tail door supporting rod and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821397933.9U CN209538993U (en) | 2018-08-28 | 2018-08-28 | A kind of tail door supporting rod and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209538993U true CN209538993U (en) | 2019-10-25 |
Family
ID=68244920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821397933.9U Active CN209538993U (en) | 2018-08-28 | 2018-08-28 | A kind of tail door supporting rod and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209538993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685106A (en) * | 2021-08-26 | 2021-11-23 | 东风柳州汽车有限公司 | Vapour-pressure type vaulting pole and car |
-
2018
- 2018-08-28 CN CN201821397933.9U patent/CN209538993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685106A (en) * | 2021-08-26 | 2021-11-23 | 东风柳州汽车有限公司 | Vapour-pressure type vaulting pole and car |
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