CN208778559U - A kind of synchronous interaction formula gas spring - Google Patents
A kind of synchronous interaction formula gas spring Download PDFInfo
- Publication number
- CN208778559U CN208778559U CN201821486224.8U CN201821486224U CN208778559U CN 208778559 U CN208778559 U CN 208778559U CN 201821486224 U CN201821486224 U CN 201821486224U CN 208778559 U CN208778559 U CN 208778559U
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- piston
- gas spring
- connecting leg
- cylinder body
- interface
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Abstract
The utility model provides a form of synchronous interaction formula gas spring, comprising: the first gas spring and the second gas spring;First gas spring includes First piston bar, the first pilot seal part, first piston and the first cylinder body, and the inner cavity of the first cylinder body is divided into the first ante-chamber on front side of first piston and the first back cavity on rear side of first piston by first piston;Second gas spring includes second piston bar, the second pilot seal part, second piston and the second cylinder body, and the inner cavity of second cylinder body is divided into the second ante-chamber on front side of second piston and the second back cavity on rear side of second piston by second piston.First ante-chamber of the first gas spring is connected by the utility model using the first connecting leg with the second back cavity of the second gas spring, the second ante-chamber of the second gas spring is connected with the first back cavity of the first gas spring using the second connecting leg, realizes the function of the synchronization telescope of First piston bar and second piston bar.
Description
Technical field
The utility model relates to gas spring technology fields, more particularly to a kind of synchronous interaction formula gas spring.
Background technique
When two gas springs link together in use, the piston rod of two gas springs is needed to have the function of synchronous disengaging
Energy.In the prior art, some carries out real-time control using stroke of the controller to two gas springs to realize the function of synchronous disengaging
Can, but it is this control is more complicated, synchronism is also bad sometimes.
Utility model content
One purpose of the utility model is to propose that a kind of piston rod that can be realized two gas springs can synchronize connection
Move flexible gas spring.
The utility model provides a kind of synchronous interaction formula gas spring, comprising: the first gas spring and the second gas spring;It is described
First gas spring includes First piston bar, the first pilot seal part, first piston and the first cylinder body, the first pilot seal part
It is connected at the front opening of first cylinder body, the first piston is movably connected in first cylinder body, by institute
The inner cavity for stating the first cylinder body is divided into the first ante-chamber on front side of first piston and the first back cavity on rear side of first piston, and described first
One end of piston rod is connected on the first piston, and the other end stretches out first cylinder through the first pilot seal part
Body;Second gas spring includes second piston bar, the second pilot seal part, second piston and the second cylinder body, and described second leads
It is connected to sealing element at the front opening of second cylinder body, the second piston is movably connected in second cylinder body
In, the inner cavity of second cylinder body is divided into the second ante-chamber on front side of second piston and the second back cavity on rear side of second piston,
One end of the second piston bar is connected in the second piston, and the other end is through described in the second pilot seal part stretching
Second cylinder body;First ante-chamber is connected by the first connecting leg with second back cavity, and two ante-chamber passes through the second connecting leg
It is connected with first back cavity.
The utility model utilizes the first connecting leg by the second back cavity phase of the first ante-chamber of the first gas spring and the second gas spring
Second ante-chamber of the second gas spring, is connected by connection using the second connecting leg with the first back cavity of the first gas spring, realizes the
The function of one piston rod and the synchronization telescope of second piston bar.For example, for example, when First piston bar is shunk by external force,
The inside side compression of one piston, the first ante-chamber become larger, and the first back cavity reduces, and the pressure of gas becomes smaller in the first ante-chamber, the first back cavity
The pressure of middle gas becomes larger, so the first ante-chamber can aspirate the gas in the second back cavity by the first connecting leg, the first back cavity can lead to
The second connecting leg is crossed by gas force feed into the second ante-chamber, thus the pressure in the second back cavity can be made to become smaller, in the second ante-chamber
Pressure becomes larger, and the front and back two sides of second piston is made to generate pressure difference inwardly, and second piston also moves inwardly, and drives the
Two piston rods generate the contractive action synchronous with First piston bar.Since air-tightness is good between each device of the utility model, when
When gas pressure intensity in first gas spring and the second gas spring reaches balance again, the movement of First piston bar and second piston bar
Amplitude is identical.
Further, the first pilot seal part includes the ecto-entad setting in the front opening of first cylinder body
The first guide sleeve, the first lip seal circle and the first ventilation spacer, it is living that the first lip seal circle is socketed in described first
On stopper rod, it is provided with the first pilot seal part connecting leg interface on the first ventilation spacer, first connecting leg passes through described first
Pilot seal part connecting leg interface is connected with first ante-chamber;The second pilot seal part includes in second cylinder body
The second guide sleeve that ecto-entad is arranged in front opening, the second lip seal circle and the second ventilation spacer, second lip
Sealing ring is socketed in the second piston bar, is provided with the second pilot seal part connecting leg interface, institute on the second ventilation spacer
It states the second connecting leg and is connected by the second pilot seal part connecting leg interface with second ante-chamber.
Further, it is blocked up after the rear end of first cylinder body is connected with first, blocks after described first and blocked up after being provided with first
Connecting leg interface, second connecting leg are connected by blocking up connecting leg interface after described first with first back cavity;Second cylinder
The rear end of body is blocked up after being connected with second, is blocked after described second and is blocked up connecting leg interface after being provided with second, and first connecting leg passes through institute
Connecting leg interface is blocked up after stating second to be connected with second back cavity.
Further, connecting leg interface is blocked up after the first pilot seal part connecting leg interface and described second to be oppositely arranged, institute
Stifled connecting leg interface is oppositely arranged after stating the second pilot seal part connecting leg interface and described first, by first gas spring and second
Gas spring is stitched together up and down.
Further, first gas spring and the second gas spring back-to-back link together, first back cavity and
Stopper is provided between second back cavity.
Further, be provided on the stopper the first stopper interface being connected with the first back cavity and with the second back cavity phase
Second stopper interface of connection, first connecting leg is connected by the second stopper interface with second back cavity, described
Second connecting leg is connected by the first stopper interface with first back cavity.
Further, sealing ring is provided at the position that the middle part of the stopper is bonded with casing wall.
Further, the first pilot seal part and the first cylinder body of the first pilot seal part connecting leg interface two sides
Between be provided with a pair of of sealing ring;The second pilot seal part and second of the second pilot seal part connecting leg interface two sides
A pair of of sealing ring is provided between cylinder body.
Further, sealing ring is provided in the mating surface of the first piston and first cylinder body, described second is living
Sealing ring is provided in plug and the mating surface of second cylinder body.
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
Fig. 1 is a kind of structural schematic diagram of synchronous interaction formula gas spring of the utility model embodiment;
Fig. 2 is the structural schematic diagram of another synchronous interaction formula gas spring of the utility model embodiment.
It is attached in the figure, it is marked as
1 first gas spring
11 First piston bars
12 first pilot seal parts
121 first guide sleeves
122 first lip seal circles
123 first ventilation spacers
124 first pilot seal part connecting leg interfaces
13 first connecting legs
14 first pistons
15 first cylinder bodies
It is blocked up after 16 first
Connecting leg interface is blocked up after 161 first
17 first ante-chambers
18 first back cavities
2 second gas springs
2 first pilot seal components
21 lip seal circles
22 second pilot seal parts
221 second guide sleeves
222 second lip seal circles
223 second ventilation spacers
224 second pilot seal part connecting leg interfaces
22 card slots
23 second connecting legs
24 second pistons
25 second cylinder bodies
It is blocked up after 26 second
Connecting leg interface is blocked up after 261 second
27 second ante-chambers
28 second back cavities
3 stoppers
31 first stopper interfaces
32 second stopper interfaces
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.
The utility model embodiment provides a kind of synchronous interaction formula gas spring, as depicted in figs. 1 and 2, comprising: the first gas
Spring 1 and the second gas spring 2;First gas spring 1 includes First piston bar 11, the first pilot seal part 12, first piston
14 and first cylinder body 15, the first pilot seal part 12 be connected at the front opening of first cylinder body 15, described first
Piston 14 is movably connected in first cylinder body 15, before the inner cavity of first cylinder body 15 is divided into first piston 14
First back cavity 18 of 14 rear side of the first ante-chamber 17 of side and first piston, one end of the First piston bar 11 are connected to described the
On one piston 14, the other end stretches out first cylinder body 15 through the first pilot seal part 12;Second gas spring 2 is wrapped
Second piston bar 21, the second pilot seal part 22, second piston 24 and the second cylinder body 25 are included, the second pilot seal part 22 connects
It connecing at the front opening of second cylinder body 25, the second piston 24 is movably connected in second cylinder body 25,
The inner cavity of second cylinder body 25 is divided into the second of 24 rear side of the second ante-chamber 27 and second piston of 24 front side of second piston
Back cavity 28, one end of the second piston bar 21 are connected in the second piston 24, and the other end is close through second guiding
Sealing 22 stretches out second cylinder body 25;First ante-chamber 17 is connected by the first connecting leg 13 with second back cavity 28,
Two ante-chamber 28 is connected by the second connecting leg 23 with first back cavity 18.It should be appreciated by those skilled in the art that description
Appeared in " preceding " " rear " concept, for single gas spring, piston rod side be front side, it is opposite
The other side is rear side.Preferably, it is provided with sealing ring in the first piston 14 and the mating surface of first cylinder body 15, institute
It states and is provided with sealing ring in second piston 24 and the mating surface of second cylinder body 25, the setting of sealing ring advantageously ensures that two
Air-tightness between the ante-chamber and back cavity of gas spring, avoids gas leakage between ante-chamber and back cavity.
The utility model utilizes the first connecting leg by the second back cavity phase of the first ante-chamber of the first gas spring and the second gas spring
Second ante-chamber of the second gas spring, is connected by connection using the second connecting leg with the first back cavity of the first gas spring, realizes the
The function of one piston rod and the synchronization telescope of second piston bar.For example, for example, when First piston bar is shunk by external force,
The inside side compression of one piston, the first ante-chamber become larger, and the first back cavity reduces, and the pressure of gas becomes smaller in the first ante-chamber, the first back cavity
The pressure of middle gas becomes larger, so the first ante-chamber can aspirate the gas in the second back cavity by the first connecting leg, the first back cavity can lead to
The second connecting leg is crossed by gas force feed into the second ante-chamber, thus the pressure in the second back cavity can be made to become smaller, in the second ante-chamber
Pressure becomes larger, and the front and back two sides of second piston is made to generate pressure difference inwardly, and second piston also moves inwardly, and drives the
Two piston rods generate the contractive action synchronous with First piston bar.Since air-tightness is good between each device of the utility model, when
When gas pressure intensity in first gas spring and the second gas spring reaches balance again, the movement of First piston bar and second piston bar
Amplitude is identical.
In the one aspect of the utility model embodiment, the first pilot seal part 12 is included in first cylinder body 15
Front opening in ecto-entad setting the first guide sleeve 121, the first lip seal circle 122 and the first ventilation spacer 123, institute
It states the first lip seal circle 122 to be socketed in the First piston bar 11, is provided with the first guiding on the first ventilation spacer 123
Sealing element connecting leg interface 124, before first connecting leg 13 is by the first pilot seal part connecting leg interface 124 and described first
Chamber 17 is connected;The second pilot seal part 22 include in the front opening of second cylinder body 25 ecto-entad be arranged
Second guide sleeve 221, the second lip seal circle 222 and the second ventilation spacer 223, the second lip seal circle 222 are socketed in
In the second piston bar 21, the second pilot seal part connecting leg interface 224 is provided on the second ventilation spacer 223, described the
Two connecting legs 23 are connected by the second pilot seal part connecting leg interface 224 with second ante-chamber 27.Preferably, described
It is provided between the first pilot seal part 12 and the first cylinder body 15 of one pilot seal part connecting leg interface, 124 two sides a pair of close
Seal;Between the second pilot seal part 22 and the second cylinder body 25 of second pilot seal part connecting leg interface, 224 two sides
It is provided with a pair of of sealing ring.The position setting that connecting leg is connected to ante-chamber while guaranteeing connection, is also led on ventilation spacer
Cross the air-tightness of the setting raising device entirety of sealing ring and the first lip seal circle.
In the one aspect of the utility model embodiment, as shown in Figure 1, the rear end of first cylinder body 15 is connected with first
16 are blocked up afterwards, is blocked up on 16 after being provided with first after described first and blocks up connecting leg interface 161, and second connecting leg 23 blocks up after passing through described first
Connecting leg interface 161 is connected with first back cavity 18;The rear end of second cylinder body 25 blocks up 26, described the after being connected with second
Blocked up on 26 after two after being provided with second and block up connecting leg interface 261, first connecting leg 13 blocked up after passing through described second connecting leg interface 261 with
Second back cavity 28 is connected.261 phase of connecting leg interface is blocked up after the first pilot seal part connecting leg interface 124 and described second
Connecting leg interface 161 is blocked up to setting, after the second pilot seal part connecting leg interface 224 and described first to be oppositely arranged, it will be described
First gas spring and the second gas spring are stitched together up and down.This design can make the cylinder of the first gas spring and the second gas spring
Body portion is completely coincident up and down, in the case where total length determines, can improve the stroke distances of piston rod.
In the one aspect of the utility model embodiment, as shown in Fig. 2, first gas spring 1 and the second gas spring 2 back
To privately linking together, stopper 3 is provided between first back cavity 18 and the second back cavity 28.It is provided on the stopper 3
The first stopper interface 31 being connected with the first back cavity 18 and the second stopper interface 32 being connected with the second back cavity 28, described
One connecting leg 13 is connected by the second stopper interface 32 with second back cavity 28, and second connecting leg 23 passes through described the
One stopper interface 31 is connected with first back cavity 18.Preferably, it is set at the position that the middle part of the stopper 3 is bonded with casing wall
It is equipped with sealing ring, specifically, in this embodiment, the first cylinder body 15 and the second cylinder body 25 can be linked together, every
Plug is arranged in centre, and sealing ring is just arranged on stopper and the contact surface of cylinder body cooperation.This design can make the first gas spring
It is back-to-back docked to together with the second gas spring, in the case where total length determines, volume can be reduced to the maximum extent.
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 synchronous interaction formula gas spring characterized by comprising
First gas spring and the second gas spring;
First gas spring includes First piston bar, the first pilot seal part, first piston and the first cylinder body, and described first leads
It is connected to sealing element at the front opening of first cylinder body, the first piston is movably connected in first cylinder body
In, the inner cavity of first cylinder body is divided into the first ante-chamber on front side of first piston and the first back cavity on rear side of first piston,
One end of the First piston bar is connected on the first piston, and the other end is through described in the first pilot seal part stretching
First cylinder body;
Second gas spring includes second piston bar, the second pilot seal part, second piston and the second cylinder body, and described second leads
It is connected to sealing element at the front opening of second cylinder body, the second piston is movably connected in second cylinder body
In, the inner cavity of second cylinder body is divided into the second ante-chamber on front side of second piston and the second back cavity on rear side of second piston,
One end of the second piston bar is connected in the second piston, and the other end is through described in the second pilot seal part stretching
Second cylinder body;
First ante-chamber is connected by the first connecting leg with second back cavity, two ante-chamber by the second connecting leg with it is described
First back cavity is connected.
2. a kind of synchronous interaction formula gas spring as described in claim 1, which is characterized in that
The first pilot seal part includes the first guide sleeve that ecto-entad is arranged in the front opening of first cylinder body,
First lip seal circle and the first ventilation spacer, the first lip seal circle is socketed in the First piston bar, and described the
It is provided with the first pilot seal part connecting leg interface on one ventilation spacer, first connecting leg passes through the first pilot seal part connecting leg
Interface is connected with first ante-chamber;
The second pilot seal part includes the second guide sleeve that ecto-entad is arranged in the front opening of second cylinder body,
Second lip seal circle and the second ventilation spacer, the second lip seal circle is socketed in the second piston bar, and described the
The second pilot seal part connecting leg interface is provided on two-way air casing, second connecting leg passes through the second pilot seal part connecting leg
Interface is connected with second ante-chamber.
3. a kind of synchronous interaction formula gas spring as claimed in claim 2, which is characterized in that
The rear end of first cylinder body is blocked up after being connected with first, is blocked after described first and is blocked up connecting leg interface after being provided with first, described
Second connecting leg is connected by blocking up connecting leg interface after described first with first back cavity;
The rear end of second cylinder body is blocked up after being connected with second, is blocked after described second and is blocked up connecting leg interface after being provided with second, described
First connecting leg is connected by blocking up connecting leg interface after described second with second back cavity.
4. a kind of synchronous interaction formula gas spring as claimed in claim 3, which is characterized in that the first pilot seal part connecting leg
It blocks up connecting leg interface after interface and described second to be oppositely arranged, the company of blocking up after the second pilot seal part connecting leg interface and described first
Interface tube is oppositely arranged, and first gas spring and the second gas spring are stitched together up and down.
5. a kind of synchronous interaction formula gas spring as claimed in claim 2, which is characterized in that first gas spring and the second gas
Spring back-to-back links together, and is provided with stopper between first back cavity and the second back cavity.
6. a kind of synchronous interaction formula gas spring as claimed in claim 5, which is characterized in that be provided on the stopper and first
The first stopper interface that back cavity is connected and the second stopper interface being connected with the second back cavity, first connecting leg pass through described
Second stopper interface is connected with second back cavity, after second connecting leg passes through the first stopper interface and described first
Chamber is connected.
7. a kind of synchronous interaction formula gas spring as claimed in claim 6, which is characterized in that the middle part of the stopper and casing wall paste
Sealing ring is provided at the position of conjunction.
8. a kind of synchronous interaction formula gas spring as described in any one of claim 2-7, which is characterized in that first guiding
A pair of of sealing ring is provided between the first pilot seal part and the first cylinder body of sealing element connecting leg interface two sides;Described second
A pair of of sealing ring is provided between the second pilot seal part and the second cylinder body of pilot seal part connecting leg interface two sides.
9. such as a kind of synchronous interaction formula gas spring of any of claims 1-7, which is characterized in that the first piston
With sealing ring is provided in the mating surface of first cylinder body, be arranged in the second piston and the mating surface of second cylinder body
There is sealing ring.
10. a kind of synchronous interaction formula gas spring as claimed in claim 8, which is characterized in that the first piston and described the
It is provided with sealing ring in the mating surface of one cylinder body, is provided with sealing in the second piston and the mating surface of second cylinder body
Circle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821486224.8U CN208778559U (en) | 2018-09-11 | 2018-09-11 | A kind of synchronous interaction formula gas spring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821486224.8U CN208778559U (en) | 2018-09-11 | 2018-09-11 | A kind of synchronous interaction formula gas spring |
Publications (1)
Publication Number | Publication Date |
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CN208778559U true CN208778559U (en) | 2019-04-23 |
Family
ID=66160683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821486224.8U Active CN208778559U (en) | 2018-09-11 | 2018-09-11 | A kind of synchronous interaction formula gas spring |
Country Status (1)
Country | Link |
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CN (1) | CN208778559U (en) |
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2018
- 2018-09-11 CN CN201821486224.8U patent/CN208778559U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201030 Address after: 213300 No.8, jinguazi Road, Nandu Town, Liyang City, Changzhou City, Jiangsu Province Patentee after: JIANGSU SANQIAO INTELLIGENT TECHNOLOGY Co.,Ltd. Patentee after: BEIJING LEI YAN NITROGEN SPRING TECHNOLOGY Research Institute Address before: 528300 Four 401 Red Cotton Gardens, Daliang East City Garden, Shunde, Foshan City, Guangdong Province Patentee before: BEIJING LEI YAN NITROGEN SPRING TECHNOLOGY Research Institute |
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TR01 | Transfer of patent right |