CN209723998U - Wearability electric drive air cylinder device - Google Patents
Wearability electric drive air cylinder device Download PDFInfo
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- CN209723998U CN209723998U CN201920176603.5U CN201920176603U CN209723998U CN 209723998 U CN209723998 U CN 209723998U CN 201920176603 U CN201920176603 U CN 201920176603U CN 209723998 U CN209723998 U CN 209723998U
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Abstract
A kind of wearability electric drive air cylinder device, it include the first cylinder sleeve and the second cylinder sleeve including outer tube, cylinder barrel, piston, electric driving mechanism and screw rod outer tube, first cylinder sleeve above-mentioned is located among the second cylinder sleeve, forms annular region between the first outer wall of cylinder jachet and the second inboard wall of cylinder liner above-mentioned；Cylinder barrel front end is set in aforementioned toroidal region and relatively aforementioned outer tube can move back and forth；Piston is set to the front end of aforementioned first cylinder sleeve and is fitted close with inner wall of cylinder；The first oil sealing is equipped with close to electric driving mechanism in the cylinder barrel and close to the first oil conservator of the first oil sealing, the screw rod is disposed through the first oil sealing and the first oil conservator above-mentioned.Oil conservator can at every moment lubricate oil sealing in time, friction be reduced, to reduce abrasion.
Description
Technical field
The utility model relates to a kind of retractable Vidacare corps, can be applied to the overturning of the needs such as vehicle tail door
On device.
Background technique
There are mainly two types of automobile tail gate is current, the first is manual tail-gate, realizes manual switch, this kind of knot using gas spring
Structure mainly apply on low and middle-end vehicle；Second is electric tail gate, and the automatic lifting of tail-gate, operation side are realized using motor driven
Just quick, at the same solve the problems, such as most women passenger due to strength is small and it is laborious to open tail-gate.
There are many kinds of disclosed in the driving device of electric tail gate is existing, such as application No. is 201010288083.0 middle promulgateds by the State Council
Bright patent application publication " automobile power back door driving mechanism " (application publication number CN101967930A), this application include electricity
Mechanical, electrical machine sleeve, screw rod sleeve, bull screw rod, bull nut and spring, bull screw rod make bull spiral shell with the driving of micromotor
Parent phase moves bull screw rod, while ut socket is moved relative to screw rod sleeve.Similar can be with application reference number
201410206864.9 Chinese invention patent application disclose " automobile tail gate Motorized lift device " (application publication number be
CN105089408A)。
The applicant provides a kind of improved driving structure, sees that the China of Patent No. ZL201620562504.7 is practical
New patent " intelligent electric driving air cylinder device " (Authorization Notice No. CN205669517U), it is internal in the patent to need to install additional
Oil sealing is sealed, and when starting, the oil sealing nearby often situation of oil starvation, under cylinder movement, oil sealing generates larger frictional force, mill
It damages more severe.
Utility model content
Technical problem to be solved in the utility model be for the above-mentioned state of the art and provide it is a kind of wear it is small resistance to
Mill property electric drive air cylinder device.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of wearability electric drive cylinder dress
It sets, it is characterised in that including
Outer tube, including the first cylinder sleeve and the second cylinder sleeve, the first cylinder sleeve above-mentioned are located among the second cylinder sleeve, and above-mentioned first
Annular region is formed between outer wall of cylinder jachet and the second inboard wall of cylinder liner；
Cylinder barrel, front end is set in aforementioned toroidal region and relatively aforementioned outer tube can move back and forth；
Piston, set on aforementioned first cylinder sleeve front end and with inner wall of cylinder be fitted close, it is hollow and have internal screw thread；
Electric driving mechanism is set in aforementioned cylinder barrel；
Sleeve is set to aforementioned cylinder barrel outer wall, and
Screw rod, one end are connect with the power output end of aforementioned electric driving mechanism, the internal screw thread of the other end and aforementioned piston
It is protruded into aforementioned first cylinder sleeve with merging；
The first oil conservator of the first oil sealing and close first oil sealing is equipped in the cylinder barrel close to electric driving mechanism, it is described
Screw rod be disposed through the first oil sealing and the first oil conservator above-mentioned.
Preferably, the outer tube includes outer cylinder, inner cylinder and connector, inner cylinder above-mentioned is set to the interior simultaneously end of outer cylinder and sets
Connector in outer cylinder side connects, and the inner cavity of aforementioned outer cylinder forms the second cylinder sleeve, and aforementioned interior tube inner chamber forms the first cylinder sleeve.
The sleeve outer wall alongst forms the convex ribs of protrusion, accordingly, the inner wall of the outer tube have with
The guide groove of aforementioned convex ribs guiding cooperation.
Further, positioning sleeve and atopping sleeve are equipped in the cylinder barrel, aforementioned atopping sleeve is arranged in positioning sleeve side and interior sets
There is the bearing for support screw rotation, and first oil sealing is then set to the other side of positioning sleeve.
A kind of wearability electric drive air cylinder device, it is characterised in that including
Outer tube, including the first cylinder sleeve and the second cylinder sleeve, the first cylinder sleeve above-mentioned are located among the second cylinder sleeve, and above-mentioned first
Annular region is formed between outer wall of cylinder jachet and the second inboard wall of cylinder liner；
Cylinder barrel, front end is set in aforementioned toroidal region and relatively aforementioned outer tube can move back and forth；
Piston, set on aforementioned first cylinder sleeve front end and with inner wall of cylinder be fitted close, it is hollow and have internal screw thread；
Electric driving mechanism is set in aforementioned cylinder barrel；
Sleeve is set to aforementioned cylinder barrel outer wall,；And
Screw rod, one end are connect with the power output end of aforementioned electric driving mechanism, the internal screw thread of the other end and aforementioned piston
It is protruded into aforementioned first cylinder sleeve with merging；
The front end of the cylinder barrel is equipped with the second oil sealing and the second oil conservator close to the second oil sealing, aforementioned second oil sealing and the
Two oil conservators are sheathed on the first cylinder sleeve periphery and can move back and forth.
Further, the second oil sealing front end is located in the cylinder barrel and is equipped with guide sleeve, the guide sleeve is with respect to the first cylinder sleeve energy
Move back and forth.
Compared with the prior art, the advantages of the utility model are: motor-driven mechanism driving screw rod moves back and forth, with silk
The matched piston of bar just moves back and forth, and the entire outer tube of piston driving is realized elongation with respect to cylinder barrel or retracted, to realize car tail
The opening and closing of door.Oil conservator can at every moment lubricate oil sealing in time, reduce friction, to reduce abrasion, be conducive to grow
Phase effectively works, and feed screw nut and piston are combined together, compact-sized.
Detailed description of the invention
Fig. 1 is example structure schematic diagram.
Fig. 2 is embodiment exploded view.
Fig. 3 is embodiment cross-sectional view.
Fig. 4 is cylinder barrel three-dimensional cutaway view.
Fig. 5 is that sleeve and outer tube cooperate enlarged cross-sectional view.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figure 1, Figure 2 and Figure 3, the wearability electric drive air cylinder device in the present embodiment includes outer tube 10, cylinder barrel
3, sleeve 2, piston 7, electric driving mechanism 5 and screw rod 4.
Outer tube 10 includes the first cylinder sleeve 11 and the second cylinder sleeve 1, and the first cylinder sleeve 11 is located among the second cylinder sleeve 1, the first cylinder sleeve
Annular region is formed between 1 inner wall of 11 outer walls and the second cylinder sleeve；Specifically, the outer tube 10 in the present embodiment includes outer cylinder, inner cylinder
And connector 12, inner cylinder is set in outer cylinder and end is connect with the connector 12 for being set to outer cylinder side, the inner cavity of outer cylinder formation the
Two cylinder sleeves 1, interior tube inner chamber form the first cylinder sleeve 11.
3 front end of cylinder barrel is set in annular region and opposite outer tube 10 can move back and forth；Before piston 7 is set to the first cylinder sleeve 11
Hold simultaneously with 3 inner wall of cylinder barrel be fitted close, it is hollow and have internal screw thread；Electric driving mechanism 5 is set in cylinder barrel 3, energy positive and negative rotation, electricity
Dynamic driving mechanism may include motor and retarder.4 one end of screw rod is connect with the power output end of electric driving mechanism 5, another
The screw-internal thread fit of end and piston 7 simultaneously protrudes into the first cylinder sleeve 11.
As shown in connection with fig. 4,3 inner wall of cylinder barrel in the present embodiment alongst offers strip groove 31, the strip groove
Vent cap is formed between 31 and 7 outer wall of piston and communicates 7 front and back end gas chamber of piston.Strip groove 31 can be on piston
Aperture substitutes, and effect is the same, is for guaranteeing front and back gas chamber circulation.
As shown in connection with fig. 5, sleeve 2 is set to 3 outer wall of cylinder barrel, and 2 outer end of sleeve is equipped with bulb 22, and 2 outer wall of sleeve is along length
Degree direction forms the convex ribs 21 of protrusion, and accordingly, the inner wall of outer tube 10 has the guide groove 13 with the guiding cooperation of convex ribs 21.It is convex
Muscle 21 and the cooperation of guide groove 13 ensure to move axially between cylinder barrel 3 and outer tube 10, will not shift.
The first oil conservator 63 of the first oil sealing 62 and close first oil sealing 62 is equipped in cylinder barrel 3 close to electric driving mechanism 5,
Screw rod 4 is disposed through the first oil sealing 62 and the first oil conservator 63.Positioning sleeve 61 and atopping sleeve 65, atopping sleeve are equipped in cylinder barrel 3
65 be arranged in 61 side of positioning sleeve and it is interior by circlip 641 be equipped be used to support screw rod 4 rotation bearing 64, the first oil sealing 62 is then
Set on the other side of positioning sleeve 61.The front end of cylinder barrel 3 is equipped with the second oil sealing 67 and the second oil conservator 66 close to the second oil sealing 67,
Second oil sealing 67 and the second oil conservator 66 are sheathed on 11 periphery of the first cylinder sleeve and can move back and forth.It is located at the second oil sealing in cylinder barrel 3
67 front ends are equipped with guide sleeve 68, which can move back and forth with respect to the first cylinder sleeve 11.
In the case where first oil sealing oil starvation, when starting, the first oil sealing generates larger frictional force, wear it is more severe, first
Oil conservator can at every moment lubricate the first oil sealing in time, friction be reduced, to reduce abrasion.Second oil conservator is to
The effect of two oil sealings is worn also for reduction.
Working principle: motor-driven mechanism 5 drives screw rod 4 to move back and forth, and piston 7 matched with screw rod 4 just moves back and forth,
Piston 7 drives the opposite cylinder barrel 3 of entire outer tube 10 to realize elongation or retract, to realize the opening and closing of automobile tail gate.
Claims (6)
1. a kind of wearability electric drive air cylinder device, it is characterised in that including
Outer tube (10), including the first cylinder sleeve (11) and the second cylinder sleeve (1), the first cylinder sleeve (11) above-mentioned are located at the second cylinder sleeve (1)
Centre forms annular region between the first cylinder sleeve (11) outer wall above-mentioned and the second cylinder sleeve (1) inner wall；
Cylinder barrel (3), front end is set in aforementioned toroidal region and relatively aforementioned outer tube (10) can move back and forth；
Piston (7), be set to aforementioned first cylinder sleeve (11) front end and with cylinder barrel (3) inner wall be fitted close, it is hollow and have interior spiral shell
Line；
Electric driving mechanism (5) is set in aforementioned cylinder barrel (3)；
Sleeve (2) is set to aforementioned cylinder barrel (3) outer wall；And
Screw rod (4), one end are connect with the power output end of aforementioned electric driving mechanism (5), and the other end is interior with aforementioned piston (7)
It is threadedly engaged and protrudes into aforementioned first cylinder sleeve (11)；
The first of the first oil sealing (62) and close first oil sealing (62) is equipped with close to electric driving mechanism (5) in the cylinder barrel (3)
Oil conservator (63), the screw rod (4) are disposed through the first oil sealing (62) above-mentioned and the first oil conservator (63).
2. wearability electric drive air cylinder device according to claim 1, it is characterised in that the outer tube (10) includes outer
Cylinder, inner cylinder and connector (12), inner cylinder above-mentioned is set in outer cylinder and end is connect with the connector (12) for being set to outer cylinder side,
The inner cavity of aforementioned outer cylinder forms the second cylinder sleeve (1), and aforementioned interior tube inner chamber forms the first cylinder sleeve (11).
3. wearability electric drive air cylinder device according to claim 1, it is characterised in that sleeve (2) outer wall along
Length direction forms the convex ribs (21) of protrusion, and accordingly, the inner wall of the outer tube (10) has to be oriented to aforementioned convex ribs (21)
The guide groove (13) of cooperation.
4. wearability electric drive air cylinder device according to claim 1, it is characterised in that it is fixed to be equipped in the cylinder barrel (3)
Position set (61) and atopping sleeve (65), aforementioned atopping sleeve (65) is arranged in positioning sleeve (61) side and interior be equipped with is used to support screw rod
(4) bearing (64) rotated, and first oil sealing (62) is then set to the other side of positioning sleeve (61).
5. a kind of wearability electric drive air cylinder device, it is characterised in that including
Outer tube (10), including the first cylinder sleeve (11) and the second cylinder sleeve (1), the first cylinder sleeve (11) above-mentioned are located at the second cylinder sleeve (1)
Centre forms annular region between the first cylinder sleeve (11) outer wall above-mentioned and the second cylinder sleeve (1) inner wall；
Cylinder barrel (3), front end is set in aforementioned toroidal region and relatively aforementioned outer tube (10) can move back and forth；
Piston (7), be set to aforementioned first cylinder sleeve (11) front end and with cylinder barrel (3) inner wall be fitted close, it is hollow and have interior spiral shell
Line；
Electric driving mechanism (5) is set in aforementioned cylinder barrel (3)；
Sleeve (2) is set to aforementioned cylinder barrel (3) outer wall；And
Screw rod (4), one end are connect with the power output end of aforementioned electric driving mechanism (5), and the other end is interior with aforementioned piston (7)
It is threadedly engaged and protrudes into aforementioned first cylinder sleeve (11)；
The front end of the cylinder barrel (3) is equipped with the second oil sealing (67) and the second oil conservator (66) close to the second oil sealing (67), aforementioned
Second oil sealing (67) and the second oil conservator (66) are sheathed on the first cylinder sleeve (11) periphery and can move back and forth.
6. wearability electric drive air cylinder device according to claim 5, it is characterised in that be located in the cylinder barrel (3)
Second oil sealing (67) front end is equipped with guide sleeve (68), which can move back and forth with respect to the first cylinder sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176603.5U CN209723998U (en) | 2019-01-31 | 2019-01-31 | Wearability electric drive air cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176603.5U CN209723998U (en) | 2019-01-31 | 2019-01-31 | Wearability electric drive air cylinder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209723998U true CN209723998U (en) | 2019-12-03 |
Family
ID=68682461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920176603.5U Active CN209723998U (en) | 2019-01-31 | 2019-01-31 | Wearability electric drive air cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209723998U (en) |
-
2019
- 2019-01-31 CN CN201920176603.5U patent/CN209723998U/en active Active
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