CN207093641U - A kind of electronic gas spring - Google Patents
A kind of electronic gas spring Download PDFInfo
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- CN207093641U CN207093641U CN201720713624.7U CN201720713624U CN207093641U CN 207093641 U CN207093641 U CN 207093641U CN 201720713624 U CN201720713624 U CN 201720713624U CN 207093641 U CN207093641 U CN 207093641U
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- piston rod
- bearing block
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Abstract
A kind of electronic gas spring, including motor, cylinder body, piston rod, threaded rod, nut, anti-rotation sleeve pipe, left guiding spacer, seal, split washer, bearing block, anti-rotation back-up ring, bearing.The right-hand member of threaded rod is stretched into the hollow section of piston rod, and the right-hand member and piston rod of nut are connected.Fixed back-up ring inclined-plane is provided with the right side of bearing block, if fixed back-up ring inclined-plane percussion does an anti-rotation back-up ring and bearing is fixed in bearing block.Anti-rotation sleeve pipe is provided with anti-rotation projection and groove, cylinder body and nut are respectively equipped with anti-rotation groove and projection.Threaded rod left end polished rod diameter is less than right-hand member screw thread shank diameter, from right to left provided with bearing attachment, back-up ring, seal and guiding spacer installation portion, connects transition part, motor coupling portion.Cylinder body right-hand member is fixed with guide sleeve, and caulking gum part is set on the left of guide sleeve.Cylinder body left end sets rubber gasket and left plug.Hollow piston rod right-hand member and left plug are respectively connected with a connector.Right guiding spacer is installed with the left of caulking gum part.
Description
Technical field
A kind of gas spring is the utility model is related to, more particularly to a kind of electronic gas spring using driven by power.
Background technology
Gas spring is a kind of common spring, is that one kind can play support, buffering, braking, height regulation and angular adjustment etc.
The industry accessories of function.It is made up of following sections：Pressure cylinder, piston rod, piston, seal guide sleeve, filler【Indifferent gas
Body or gas mixture】, control element and cylinder outer control element in cylinder【Refer to controllable gas spring】With joint etc..Principle is close
Inert gas or gas mixture are filled with the pressure cylinder closed, makes several times or tens of the pressure superatmospheric in cavity
Times, it is less than the cross-sectional area of piston using the cross-sectional area of piston rod so as to which caused pressure differential realizes the motion of piston rod.
Due to the fundamental difference in principle, gas spring has significant advantage than common spring：Speed is relatively slow, dynamic force change
Less【Typically 1:Within 1.2】, be easily controlled.But also all there is problems with existing gas spring：The reciprocal fortune of gas spring
Dynamic or positioning artificially must apply external force with hand, and this mode brings many inconvenience to user, particularly when gas spring uses
Volume is larger or the device of heavier-weight on when, injury is easily caused to human body and article, influences its security；It is and this artificial
Apply the mode of external force with hand, be also limited to height and the user of human body【Men and women】The size of this body forces, makes gas spring
Using by certain limitation, such as being restricted more than certain altitude or by surrounding environment, in human body not accessiblely
Side, gas spring can not just use, and the advantage of gas spring is not in full use.
The A of application publication number CN 103410906, the application for a patent for invention file of entitled " electronic gas spring " disclose
A kind of gas spring with driven by power：Including power-driven gear and gas spring, the power-driven gear is by motor connection set
And positioned at motor connection set in be sequentially connected motor, decelerator and shaft coupling composition, the gas spring by cylinder barrel, with
And spiral reciprocator, pilot sleeve and piston rod part composition in cylinder barrel；The driving electricity of the power-driven gear
Machine, decelerator and shaft coupling are sequentially connected and are fixed on by rolling in motor connection set；One end of the spiral reciprocator
It is connected to by the decelerator of shaft coupling and power-driven gear on motor, in the other end and air spring piston rod unit
Piston rod is connected, and in the pilot sleeve of gas spring, the pilot sleeve is fixed in gas spring cylinder barrel, driven by power
The motor connection of device covers gentle spring cylinder barrel connection and fixed by rolling.
The structure of above-mentioned electronic gas spring is less reasonable, the unapparent CONSTRUCTED SPECIFICATION for providing spiral reciprocator, can not be true
The reliability of its fixed work.
The content of the invention
Main inventive purpose of the present utility model, it is to provide a kind of clear and definite, electronic gas spring of reliable operation clear in structure.
Technical scheme used in the utility model is：A kind of electronic gas spring, including the sky that motor, cylinder body, right-hand member are solid
It is indecisive and changeable stopper rod；Wherein motor is located at the left end of cylinder body, and the left and right end of hollow piston rod is respectively positioned at the inside and outside of cylinder body right-hand member.This
Outside, in addition to located between piston rod and motor, right-hand member threaded threaded rod is set, the spiral shell with the threaded adapter on threaded rod
Mother, the anti-rotation sleeve pipe between the inner surface and nut outer surfaces of cylinder body.The right-hand member of threaded rod stretches into the sky of hollow piston rod
In heart section, the right-hand member and piston rod of nut are connected.Left guiding spacer, close is from left to right sequentially provided with from the right side of motor in cylinder body
Sealing, split washer, bearing block, anti-rotation back-up ring.Bearing is in bearing block, the external diameter of anti-rotation back-up ring and the bearing hole of bearing block
Adaptation, the left side of bearing block are provided with shoulder block, and the outer end on the right side of bearing block is provided with one and fixes back-up ring inclined-plane, fixation back-up ring inclined-plane to
Done if being tapped in bearing hole so that the left surface of anti-rotation back-up ring is tightly fixed on the outer ring of bearing in bearing block.Anti-rotation sleeve pipe
Outer surface be provided with some anti-rotation projections, the inner surface of anti-rotation sleeve pipe is provided with some interior anti-rotation grooves, corresponding cylinder body
Inner surface is provided with and the outer anti-rotation groove of the raised adaptation of anti-rotation, the outer surface of nut are provided with and interior anti-rotation groove slides adaptation
Interior anti-rotation is raised.The polished rod diameter of threaded rod left end is less than the screw thread shank diameter of right-hand member, and it is sequentially provided with bearing and connected from right to left
Socket part, back-up ring installation portion, seal installation portion, guiding spacer installation portion, connection transition part and motor coupling portion.Motor coupling portion
Connected with motor spline drived.The right-hand member of cylinder body is fixed with guide sleeve, and the left side of guide sleeve is provided with caulking gum part.A left side for cylinder body
End is installed with rubber gasket and left plug from inside to outside, the left end of cylinder body be additionally provided with introduce motor wire enter it is close in cylinder body
Packing.The right-hand member of hollow piston rod and left plug are connected with a connector respectively.Right guiding is installed with the left of caulking gum part
Spacer.The right left end for being oriented to spacer is close to the right-hand member of anti-rotation sleeve pipe.Cylinder body is in the left end of anti-rotation sleeve pipe and consolidating for bearing block right-hand member
Determine circumferentially to tap between back-up ring inclined-plane and have fixed concave point, the left and right side of the fixed concave point respectively with bearing block, anti-rotation sleeve pipe
The company of touching.
The utility model, using the mating reaction of the longitudinal fluting on cylinder body, anti-rotation and nut three or projection, utilize electricity
Machine driving threaded rod drives hollow piston thick stick to move left and right, and the structure entirety clear and definite such as installation of bearing block, has work
Make the advantages of reliable.
Preferably, the interior circular diameter that cylinder body left end is used to install motor part is connected more than cylinder body right-hand member with anti-rotation sleeve pipe
Partial interior circular diameter, and this two sections of cylinder body inner circles at left and right both ends are in conical transition.Further preferably, motor connection
Portion is located at the left-hand portion in the conical transition portion at the left and right both ends of cylinder body.This preferred scheme, it is rational in infrastructure, be advantageous to motor
Selection, improve the ability to work of electronic gas spring.
Preferably, the left number for being oriented to spacer is two.Further, it is installed with anti-moving structure on the left of left guiding spacer
The right-hand member of part, the left left end for being oriented to spacer and anti-moving component is close to, and the left end of the left right-hand member for being oriented to spacer and seal is close to, close
The right-hand member of sealing and the left end of bearing block are close to.Further, the anti-moving component is the spill product of opening to the left, spill system
The bottom of part is provided with the centre bore passed through for threaded rod, and two side walls of spill product surround the head that support column lives motor.And
Anti-moving component is connected using the mode and cylinder body got ready outside projection welding or cylinder body.This preferred scheme, rational in infrastructure, functional reliability
It is high.
Preferably, hollow piston rod is formed by stainless steel tube and the right plug being connected with the stainless steel tube right-hand member, the right side is stifled
The right-hand member of head is formed with the screw thread for being connected with spherical connector；The same, the left end of left plug, which is provided with, to be used for and spherical connection
The screw thread of head connection.
Preferably, the left end and right-hand member of cylinder body are equipped with throat structure, the throat structure is used in stationary housing
Respective members, to prevent the left and right vibration of these components.This preferred scheme, simple and reasonable for structure, processing and manufacturing is easy.
Preferably, the diameter of hollow piston rod endoporus is more than the diameter of threaded rod right-hand member；The right-hand member of nut protrudes into hollow
Gap between piston rod endoporus and threaded rod, nut is by protruding into the connected nut and hollow realized of part and hollow piston rod
Piston rod is connected.Connected mode, prevent hollow piston rod from moving axially and being got using circumference some using slot rolling
Pit prevents that hollow piston rod and nut generation are circumferentially displaced.This preferred scheme, simple and reasonable for structure, processing and manufacturing is easy.
Preferably, the right-hand member of threaded rod is installed with guiding pressure pad, the inner circle of the cylindrical and hollow piston rod of pressure pad is oriented to
Adaptation.This preferred scheme, be advantageous to improve hollow piston rod traveling comfort, improve the service life of electronic gas spring.
In summary, the beneficial effects of the utility model are：It is recessed using the longitudinal direction on cylinder body, anti-rotation sleeve pipe and nut three
The mating reaction of groove or projection, hollow piston thick stick is driven to move left and right using motor driven threaded rod, and the installation of bearing block
Etc. structure entirety clear and definite, there is the advantages of reliable operation.The utility model, simple and reasonable for structure, processing and manufacturing is easy.
Brief description of the drawings
Fig. 1：Structural representation of the present utility model；
Fig. 2：The structural representation of nut；
Fig. 3：The schematic cross-section of anti-rotation sleeve pipe；
In figure：Connector 1, right plug 2, hollow piston rod 3, stainless steel tube 3.1, slot rolling 3.2, pit 3.3, guide sleeve 4,
Cylinder body 5, fixed concave point 5.1, caulking gum part 6, right guiding spacer 7, briquetting 8, anti-rotation sleeve pipe 9, threaded rod 10, motor coupling portion
10.1st, anti-rotation back-up ring 11, bearing block 12, fixed back-up ring inclined-plane 12.1, seal 13, left guiding spacer 14, anti-moving component 15, electricity
Machine 16, sealing gasket 17, left plug 18, rubber gasket 19, split washer 20, bearing 21, nut 23, protrude into part 24.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in figure 1, the utility model includes the solid hollow piston rod 3 of motor 16, cylinder body 5, right-hand member；Wherein motor 16
Located at the left end of cylinder body 5, the left and right end of hollow piston rod 3 is respectively positioned at the inside and outside of the right-hand member of cylinder body 5.In addition, also include being located at
Between piston rod 3 and motor 16, right-hand member sets threaded threaded rod 10, the nut 23 with the threaded adapter on threaded rod 10,
Anti-rotation sleeve pipe 9 between the inner surface of cylinder body 5 and the outer surface of nut 23.The right-hand member of threaded rod 10 stretches into hollow piston rod 3
Hollow section in, the right-hand member and piston rod 3 of nut 23 are connected.In cylinder body 5 left side is from left to right sequentially provided with from the right side of motor 16
It is oriented to spacer 14, seal 13, split washer 20, bearing block 12, anti-rotation back-up ring 11.Bearing 21 is in bearing block 12, anti-rotation
The bearing hole of the external diameter of back-up ring 11 and bearing block 12 adaptation, the left side of bearing block 12 are provided with shoulder block, the right side of bearing block 12 outside
End is provided with one and fixes back-up ring inclined-plane 12.1, if fixed back-up ring inclined-plane 12.1 taps to do into bearing hole causes anti-rotation back-up ring 11
Left surface is tightly fixed on the outer ring of bearing 21 in bearing block 12.The outer surface of anti-rotation sleeve pipe 9 is provided with some anti-rotation projections,
The inner surface of anti-rotation sleeve pipe 9 is provided with some interior anti-rotation grooves, and the inner surface of corresponding cylinder body 5 is provided with and the raised adaptation of anti-rotation
Outer anti-rotation groove, the outer surface of nut 23 are provided with and interior anti-rotation groove slides the interior anti-rotation projection being adapted to.The left end of threaded rod 10
Polished rod diameter be less than right-hand member screw thread shank diameter, its from right to left sequentially be provided with bearing attachment, back-up ring installation portion, seal
Installation portion, it is oriented to spacer installation portion, connection transition part and motor coupling portion 10.1.Motor coupling portion 10.1 and the spline of motor 16 pass
Dynamic connection.The right-hand member of cylinder body 5 is fixed with guide sleeve 4, and the left side of guide sleeve 4 is provided with caulking gum part 6.The left end of cylinder body 5 is by interior
Be installed with rubber gasket 19 and left plug 18 to outer, the left end of cylinder body 5 be additionally provided with introduce motor wire enter it is close in cylinder body 5
Packing 17.The right-hand member of hollow piston rod 3 and left plug 18 are connected with a connector 1 respectively.The left side of caulking gum part 6 is installed with
Right guiding spacer 7.The right left end for being oriented to spacer 7 is close to the right-hand member of anti-rotation sleeve pipe 9.Left end and bearing of the cylinder body 5 in anti-rotation sleeve pipe 9
Circumferentially being tapped between the fixation back-up ring inclined-plane of 12 right-hand members of seat has fixed concave point 5.1, left side, the right side of the fixed concave point 5.1
Touch and connect with bearing block 12, anti-rotation sleeve pipe 9 respectively.Here, caulking gum part 6 and seal 13 are lip seal structure, by fourth
Nitrile rubber and A3 steel are made.
Preferably, the interior circular diameter that the left end of cylinder body 5 is used to install the part of motor 16 is more than the right-hand member of cylinder body 5 and anti-rotation sleeve pipe
The interior circular diameter of connected component, and this two sections of cylinder body inner circles at left and right both ends are in conical transition.Motor coupling portion is located at cylinder body
The left-hand portion in the conical transition portion at 5 left and right both ends.The left number for being oriented to spacer 14 is two, in the left guiding in one, left side
The left side of spacer 14 is installed with anti-moving component 15, and the right-hand member of the left left end for being oriented to spacer 14 and anti-moving component 15 is close to, left guiding
The right-hand member of spacer 14 and the left end of seal 13 are close to, and the right-hand member of seal 13 and the left end of bearing block 12 are close to, described anti-moving
Component 15 is the spill product of opening to the left, and the bottom of spill product is provided with the centre bore passed through for threaded rod, spill product
Two side walls surround the head that support column lives motor 16.And anti-moving component 15 utilizes the mode and cylinder got ready outside projection welding or cylinder body
Body is connected.The diameter of the endoporus of hollow piston rod 3 is more than the diameter of the right-hand member of threaded rod 10；The right-hand member of nut 23 protrudes into hollow piston rod
Gap between 3 endoporus and threaded rod 10, nut 23 realize the He of nut 23 by protruding into part 24 and the connected of hollow piston rod 3
Hollow piston rod 3 is connected, and attachment includes preventing a slot rolling 3.2 of hollow piston rod axial movement and for preventing sky
It is indecisive and changeable stopper rod 3 and nut 23 occurs circumferentially displaced and prolongs circumferential five pits 3.3 uniformly got.The right-hand member of threaded rod 10 is fixed
There is guiding pressure pad 25, be oriented to the inner circle adaptation of the cylindrical and hollow piston rod 3 of pressure pad 25, guiding pressure pad 25 is by briquetting 8 and admittedly
Determine bolt to be fixedly connected with threaded rod 10.In addition, hollow piston rod 3 is connected by stainless steel tube 3.1 and with the stainless steel tube right-hand member
Right plug 2 formed, the right-hand member of right plug 3.2 is formed with the screw thread for being connected with spherical connector 1；The same, left plug 18
Left end be provided be used for and spherical connector 1 connect screw thread；The left end and right-hand member of cylinder body 5 are equipped with throat structure, the contracting
The respective members that mouth structure is used in stationary housing, to prevent the left and right vibration of these components.
Prolong axially a few road ring grooves of compacting alternatively, it is also possible to be bonded position in cylinder body 5 and anti-rotation sleeve pipe 9, to reduce anti-rotation
The possibility that sleeve pipe 9 moves left and right.Directly moving left and right for anti-rotation sleeve pipe 9 can also be limited with such ring groove.
Specific embodiment described above is only the preferable embodiment of the utility model, and not limits this practicality with this
New specific implementation structure and practical range.In fact, according to shape described in the utility model, structure and purpose of design
Some equivalent changes can be made.Therefore, it is all according to made by shape described in the utility model, structure and purpose of design
Some equivalence changes ought to be all contained in the scope of protection of the utility model, namely these equivalence changes all should be by this reality
With new protection.
Claims (9)
1. a kind of electronic gas spring, including the hollow piston rod that motor, cylinder body, right-hand member are solid；Wherein motor is located at a left side for cylinder body
End, the left and right end of hollow piston rod is respectively positioned at the inside and outside of cylinder body right-hand member；It is characterized in that：Also include being located at piston rod and motor
Between, right-hand member set threaded threaded rod, the nut with the threaded adapter on threaded rod, located at the inner surface and nut of cylinder body
Anti-rotation sleeve pipe between outer surface；The right-hand member of threaded rod is stretched into the hollow section of hollow piston rod, the right-hand member and piston rod of nut
It is connected；Left guiding spacer, seal, split washer, bearing block, anti-rotation are from left to right sequentially provided with cylinder body from the right side of motor
Back-up ring；For bearing in bearing block, the external diameter of anti-rotation back-up ring and the bearing hole adaptation of bearing block, the left side of bearing block are provided with gear
Shoulder, the outer end on the right side of bearing block are provided with one and fix back-up ring inclined-plane, if fixed back-up ring inclined-plane tapped into bearing hole do so that
The left surface of anti-rotation back-up ring is tightly fixed on the outer ring of bearing in bearing block；The outer surface of anti-rotation sleeve pipe is provided with some anti-rotations
Projection, the inner surface of anti-rotation sleeve pipe are provided with some interior anti-rotation grooves, and the inner surface of corresponding cylinder body is provided with and anti-rotation is raised suitable
The outer anti-rotation groove matched somebody with somebody, the outer surface of nut are provided with and interior anti-rotation groove slide adaptation interior anti-rotation it is raised；Threaded rod left end
Polished rod diameter be less than right-hand member screw thread shank diameter, its from right to left sequentially be provided with bearing attachment, back-up ring installation portion, seal
Installation portion, it is oriented to spacer installation portion, connection transition part and motor coupling portion；Motor coupling portion connects with motor spline drived；Cylinder
The right-hand member of body is fixed with guide sleeve, and the left side of guide sleeve is provided with caulking gum part；The left end of cylinder body is installed with rubber from inside to outside
Sealing gasket and left plug, the left end of cylinder body, which is additionally provided with, introduces the sealing gasket that motor wire enters in cylinder body；The right side of hollow piston rod
End and left plug are connected with a connector respectively；Right guiding spacer is installed with the left of caulking gum part；The right left side for being oriented to spacer
It is close to anti-rotation sleeve pipe in end（9）Right-hand member；Cylinder body edge between the left end of anti-rotation sleeve pipe and the fixation back-up ring inclined-plane of bearing block right-hand member
Circumferential tap has fixed concave point, and left side, the right side of the fixed concave point are touched with bearing block, anti-rotation sleeve pipe respectively to be connected.
2. a kind of electronic gas spring according to claim 1, it is characterized in that：Cylinder body（5）Left end is used to install motor（16）
Partial interior circular diameter is more than cylinder body（5）The interior circular diameter of right-hand member and anti-rotation sleeve pipe connected component, and this two sections of left and right both ends
Cylinder body inner circle is in conical transition.
3. a kind of electronic gas spring according to claim 2, it is characterized in that：Motor coupling portion is located at cylinder body（5）Left and right two
The left-hand portion in the conical transition portion at end.
4. a kind of electronic gas spring according to claim 1, it is characterized in that：Left guiding spacer（14）Number be two.
5. a kind of electronic gas spring according to claim 1, it is characterized in that：Left guiding spacer（14）Left side be installed with it is anti-
Move component（15）, left guiding spacer（14）Left end and anti-moving component（15）Right-hand member be close to, left guiding spacer（14）Right-hand member
And seal（13）Left end be close to, seal（13）Right-hand member and bearing block（12）Left end be close to.
6. any one electronic gas spring according to claim 1-5, it is characterized in that：Hollow piston rod（3）By stainless steel
Pipe（3.1）With the right plug being connected with the stainless steel tube right-hand member（2）Formed, right plug（2）Right-hand member be formed with for and spherical company
Joint（1）The screw thread of connection；The same, left plug（18）Left end be provided with and be used for and spherical connector（1）The screw thread of connection.
7. any one electronic gas spring according to claim 1-5, it is characterized in that：Cylinder body（5）Left end and right-hand member it is equal
Provided with throat structure.
8. any one electronic gas spring according to claim 1-5, it is characterized in that：Hollow piston rod（3）Endoporus it is straight
Footpath is more than threaded rod（10）The diameter of right-hand member；Nut（23）Right-hand member protrude into hollow piston rod（3）Endoporus and threaded rod（10）It
Between gap, nut（23）By protruding into part and hollow piston rod（3）Connected realize nut（23）And hollow piston rod（3）
Be connected.
9. any one electronic gas spring according to claim 1-5, it is characterized in that：Threaded rod（10）Right-hand member be installed with
It is oriented to pressure pad（25）, it is oriented to pressure pad（25）Cylindrical and hollow piston rod（3）Inner circle adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720713624.7U CN207093641U (en) | 2017-06-19 | 2017-06-19 | A kind of electronic gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720713624.7U CN207093641U (en) | 2017-06-19 | 2017-06-19 | A kind of electronic gas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093641U true CN207093641U (en) | 2018-03-13 |
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ID=61552974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720713624.7U Active CN207093641U (en) | 2017-06-19 | 2017-06-19 | A kind of electronic gas spring |
Country Status (1)
| Country | Link |
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| CN (1) | CN207093641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930747A (en) * | 2018-09-20 | 2018-12-04 | 王振民 | A kind of gas spring and automobile tail gate spring assembly |
| CN110439951A (en) * | 2019-08-14 | 2019-11-12 | 燕山大学 | Emergency management and rescue vehicle integrated form semi-active suspension hydraulic actuator |
-
2017
- 2017-06-19 CN CN201720713624.7U patent/CN207093641U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930747A (en) * | 2018-09-20 | 2018-12-04 | 王振民 | A kind of gas spring and automobile tail gate spring assembly |
| CN110439951A (en) * | 2019-08-14 | 2019-11-12 | 燕山大学 | Emergency management and rescue vehicle integrated form semi-active suspension hydraulic actuator |
| CN110439951B (en) * | 2019-08-14 | 2020-10-30 | 燕山大学 | Integrated semi-active suspension hydraulic actuator for emergency rescue vehicle |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.66 Chunxiao xunhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Yili Industrial Co.,Ltd. Address before: No.66 Chunxiao xunhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO YILI SHOCK ABSORBER Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |