CN106335478B - A kind of caravan trailer guide wheel device - Google Patents
A kind of caravan trailer guide wheel device Download PDFInfo
- Publication number
- CN106335478B CN106335478B CN201610845579.0A CN201610845579A CN106335478B CN 106335478 B CN106335478 B CN 106335478B CN 201610845579 A CN201610845579 A CN 201610845579A CN 106335478 B CN106335478 B CN 106335478B
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- directive wheel
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- frame
- type connecting
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- 238000005452 bending Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 12
- 241001077898 Melanthera Species 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
Abstract
The present invention relates to a kind of caravan trailer guide wheel devices, including directive wheel telescopic device and directive wheel draw off gear, it is characterized by: the directive wheel draw off gear connects firmly the corresponding position of caravan by one side, the directive wheel telescopic device is flexibly connected at middle part with the directive wheel draw off gear, the pull rod for tensing directive wheel draw off gear can make directive wheel telescopic device relative to directive wheel draw off gear unitary rotation, releasing lever can be such that directive wheel telescopic device locks in horizontal or vertical position, the handle of rotary caster telescopic device can make directive wheel lower flexible on the whole, and continuing to rotate handle when directive wheel is with ground reliable contacts can be such that directive wheel turns to.The configuration of the present invention is simple is convenient to process and mount, is at low cost, and caravan can be made mobile according to specified direction before parking, have wide application space.
Description
Technical field
The present invention relates to a kind of caravan directive wheel, specifically a kind of caravan trailer guiding for having field inhabitation function
Wheel being capable of the specified park place of movable limousine arrival using the directive wheel when needing to adjust park place.
Background technique
Caravan trailer itself does not have dynamical system, needs trailer traction to realize the function of walking and reach specified
Park place, reaches park place rear haulage vehicle and separated with caravan, at this time since the position of park may be not accurate enough, and
Park landform may it is less suitable etc. due to, it is often necessary to the position of caravan is finely adjusted, existing pulling type room
It is extremely difficult when vehicle is not due to having directive wheel thus carrying out position adjustment, it is time-consuming and laborious.
Summary of the invention
In order to solve this technical problem, easy to operate and can apply to various types the present invention is to provide a kind of small in size
Directive wheel on number caravan trailer, the specific technical solution of the present invention are as follows:
A kind of caravan trailer guide wheel device, including directive wheel telescopic device and directive wheel draw off gear, feature exist
The corresponding position of caravan is connected firmly by one side in: the directive wheel draw off gear, the directive wheel telescopic device exists
Middle part is flexibly connected with the directive wheel draw off gear, and the pull rod for tensing directive wheel draw off gear can make directive wheel telescopic device
Relative to directive wheel draw off gear unitary rotation, releasing lever can be such that directive wheel telescopic device locks in horizontal or vertical position
Fixed, to realize the folding and unfolding of directive wheel, the handle of rotary caster telescopic device can make directive wheel lower flexible on the whole, and
Continuing to rotate handle when directive wheel is with ground reliable contacts can be such that directive wheel turns to, so as to according to specified target position
Set movable limousine.
Further, the directive wheel telescopic device includes frame-type connecting plate, external circular tube, internal round tube, guiding
Fixing piece, directive wheel, transmission nut, lead screw, handle, thrust bearing, bearings plate are taken turns, it is in a vertical position in directive wheel
Under state, the frame-type connecting plate includes integrally formed epipleural, lower side panel, left plate and right side bending part, described
Right side bending part width two parts up and down short compared with left plate and separated in being divided into, epipleural and lower side panel are in close proximity to right side
The corresponding position of bending part is equipped with U-shaped opening, and external circular tube passes through the U-shaped opening and the front end face and frame-type of right side bending part
Connecting plate welding connects firmly, the lower ending opening of external circular tube, and the size of the inside round tube and external circular tube matches and from lower end
Entirety is inserted into external circular tube, and the internal round tube is connected firmly in upper end and transmission nut welding, the upper end closed of external circular tube,
But it is equipped with a circular hole to match with the lead screw at enclosed construction center, the lead screw is most of to be inserted into outside from the circular hole
Constitute screw pair in round tube and internal round tube and with transmission nut, lead screw be located at the part outside external circular tube by perpendicular to
The pin shaft of axis is connected firmly with handle, and the screw part in external circular tube against circular hole is equipped with thrust bearing, and in thrust axis
It holds lower end and is provided with the bearings plate connected firmly with lead screw, the internal round tube is connected firmly in lower end and directive wheel fixing piece, and institute
State directive wheel described in directive wheel fixing piece rotational support.
Further, the directive wheel draw off gear includes fixed plate, circular plain bearing plate, circular shim, spiral shell
Nail, nut, pull rod, pull-rod spring, gasket and snap ring, the directive wheel draw off gear are by the multiple of fixed plate left side
The corresponding position of mounting hole and caravan connects firmly, and the frame-type connecting plate is set to the right side of the fixed plate, and connects in frame-type
The left plate center of plate be equipped with circular open, the circular plain bearing plate be set to the circular open in and with its size
Match, the circular shim is set in frame-type connecting plate close to left side Board position, and the fixed plate is uniformly distributed in central loop
There are three square through hole, the circular plain bearing plate is evenly equipped with three U-shaped openings in periphery, and the circular shim is being leaned on
The position of nearly periphery is uniformly distributed there are three isometrical circular through hole, the screw and nut respectively there are three, three spiral shells
Follow closely the circle across the square through hole of the fixed plate and the U-shaped opening of the circular plain bearing plate and the circular shim
Through-hole, and being fastened respectively with nut, the close head position of the screw have square stem and rectangular with the fixed plate
Through-hole matches, in order to the fastening of nut, the left plate of the thickness of the circular plain bearing plate than the frame-type connecting plate
Thickness, so that nut has the frame-type connecting plate opposing circular sliding axle board after circular plain bearing plate and circular shim fastening
There is lesser axial string momentum, the fixed plate is additionally provided with four isometrical circular through holes in the outside of square through hole, described
The center of circle of four circular through holes constitutes a square, and the four edges of the square are in horizontal or vertical arrangement, the frame
The left side postlaminar part of type connecting plate is set up and down there are two circular hole, and the right side bending part corresponding position of the frame-type connecting plate is also set
There are two circular hole, the pull rod has knob portion and two sliding bar portions, and the sliding bar part does not pass through the frame-type and connects
The circular hole up and down of bending part and left plate on the right side of fishplate bar, the sliding bar portion are bent in frame-type connecting plate left plate and right side in place
Part between portion is equipped with pull-rod spring, and the pull-rod spring is by gasket and snap ring locking, sliding bar when pull rod loosens
The end in portion also extends through two corresponding circular through holes of the fixed plate, and pull rod can take off the end of the sliding bar portion when tensing
Open two corresponding circular through holes of the fixed plate.
Further, the U-shaped board structure that the directive wheel fixing piece is integrally formed, the directive wheel fixing piece
Plane where whole and angle folded by the axis of internal round tube are 145 ° -160 °, and the directive wheel fixing piece and inside
The part of round tube connection is provided with reinforcing rib, and the thrust bearing is thrust ball bearing.
The application method of this guide wheel device is briefly described below:
In the normal driving process of caravan, this caravan directive wheel is in horizontal folding state, first when needing to park
First tensile ties make it slide the correspondence circular through hole that the end of bar portion disengages fixed plate, and rotary caster integrally arrives perpendicular at this time
Histogram is to releasing lever makes it slide the correspondence circular through hole of the end of bar portion insertion fixed plate to make directive wheel integral locking
In vertical position, the handle of subsequent one side rotary caster telescopic device, apply on one side power appropriate prevent directive wheel circumferential with
With rotation, to make the whole elongation downwards of directive wheel, when being elongated to directive wheel and ground reliable contacts, continuing to rotate handle makes
Directive wheel turns to required direction, thus according to specified target position movable limousine；When caravan need when driving, using with
Above-mentioned opposite step shortens and folding directive wheel.
Using the present invention, mainly have the advantages that
1, the sliding bearing being made of frame-type connecting plate and circular plain bearing plate, simple structure and convenient processing, safety
Reliably, manufacturing cost can be substantially reduced；
2, it had both been able to achieve the flexible of directive wheel by rotational handle, also can control the rotation direction of directive wheel, transmission principle
Simply, compact-sized, easy to operate.
Detailed description of the invention
Invention is described further with reference to the accompanying drawings and examples.
The overall structure stereoscopic schematic diagram of Fig. 1 present invention specific installation site in caravan；
Fig. 2 is overall structure of the explosion figure of the invention
Fig. 3 is main view of the invention, sectional view along A-A and partial enlarged view；
Fig. 4 is the concrete structure schematic diagram of frame-type connecting plate；
Fig. 5 is the concrete structure schematic diagram of fixed plate；
Fig. 6 is the concrete structure schematic diagram of circular plain bearing plate；
Appended drawing reference: 1. directive wheel telescopic devices, 2. directive wheel draw off gears, 11. frame-type connecting plates, 12. external circular tubes,
13. inside round tube, 14. directive wheel fixing pieces, 15. directive wheels, 16. transmission nuts, 17. lead screws, 18. handles, 19. thrust axis
It holds, 110. bearings plates, 21. fixed plates, 22. circular plain bearing plates, 23. circular shims, 24. screws, 25. nuts,
26. pull rod, 27. pull-rod springs, 28. gaskets, 29. snap rings, 111. epipleurals, 112. lower side panels, 113. left plates, 114. is right
Lateral bending folding part, 115.U type opening, 116. circular opens, 117. circular holes, 118. circular holes, 121. circular holes, 211. mounting holes, 212.
Square through hole, 213. circular through holes, 221.U type opening, 231. circular through holes, 241. square stems, 261. knob portions, 262.
Slide bar portion.
Specific embodiment
Present invention will be further described below with reference to the accompanying drawings and specific embodiments.
Attached drawing 1-6 show a specific embodiment of the invention, a kind of caravan trailer guide wheel device, including directive wheel
Telescopic device 1 and directive wheel draw off gear 2, it is characterised in that: the directive wheel draw off gear 2 is connected firmly by one side to room
The corresponding position of vehicle, the directive wheel telescopic device 1 are flexibly connected at middle part with the directive wheel draw off gear 2, and tension is led
Directive wheel telescopic device 1 can be made relative to 2 unitary rotation of directive wheel draw off gear to the pull rod 26 of wheel draw off gear 2, unclamped
Pull rod 26 can be such that directive wheel telescopic device 1 locks in horizontal or vertical position, to realize the folding and unfolding of directive wheel 15, rotation is led
It is lower flexible on the whole can to make directive wheel 15 to the handle 18 of wheel telescopic device 1, and when directive wheel 15 and ground reliable contacts
When continue to rotate handle 18 can make directive wheel 15 turn to, so as to according to specified target position movable limousine.
Further, the directive wheel telescopic device 1 includes frame-type connecting plate 11, external circular tube 12, internal round tube
13, directive wheel fixing piece 14, directive wheel 15, transmission nut 16, lead screw 17, handle 18, thrust bearing 19, bearings plate
110, in the state that directive wheel is in a vertical position, the frame-type connecting plate 11 include integrally formed epipleural 111, under
Side plate 112, left plate 113 and right side bending part 114,114 width of right side bending part is short compared with left plate 113 and is divided into
Separated two parts up and down, epipleural 111 and lower side panel 112 are equipped with U in close proximity to the corresponding position of right side bending part 114
Type opening 115, external circular tube 12 are welded by the front end face and frame-type connecting plate 11 of the U-shaped opening 115 and right side bending part 114
It connects and connects firmly, the size of the lower ending opening of external circular tube 12, the inside round tube 13 and external circular tube 12 matches and whole from lower end
Body is inserted into external circular tube 12, and the internal round tube 13 is welded in upper end and transmission nut 16 and connected firmly, external circular tube 12 it is upper
End seal is closed, but is equipped with a circular hole 121 to match with the lead screw 17 at enclosed construction center, and the lead screw 17 is most of from described
Circular hole 121 is inserted into external circular tube 12 and internal round tube 13 and constitutes screw pair with transmission nut 16, and lead screw 17 is located at
Part outside external circular tube 12 is connected firmly by the pin shaft perpendicular to axis with handle 18, and circular hole 121 is abutted in external circular tube 12
17 part of lead screw thrust bearing 19 is installed, and 19 lower end of thrust bearing is provided with the bearings plate connected firmly with lead screw 17
110, the internal round tube 13 is connected firmly in lower end and directive wheel fixing piece 14, and 14 rotational support institute of the directive wheel fixing piece
State directive wheel 15.
Further, the directive wheel draw off gear 2 includes fixed plate 21, circular plain bearing plate 22, circular pad
Plate 23, screw 24, nut 25, pull rod 26, pull-rod spring 27, gasket 28 and snap ring 29, the directive wheel draw off gear 2 are
It is connected firmly by the multiple mounting holes 211 and the corresponding position of caravan of 21 left side of fixed plate, the frame-type connecting plate 11 is set to
The right side of the fixed plate 21, and circular open 116, the round sliding are equipped at the left plate center of frame-type connecting plate 11
Shaft bearing plate 22 is set in the circular open 116 and matches with its size, and the circular shim 23 is set to frame-type connecting plate
Close to left side Board position in 11, uniformly there are three square through hole 212, the concentric strokings in central loop for the fixed plate 21
Moving axis board 22 is evenly equipped with three U-shaped openings 221 in periphery, and the circular shim 23 is evenly equipped with three in the position close to periphery
A isometrical circular through hole 231, the screw 24 and nut 25 respectively there are three, three screws 24 pass through described
The circle of the U-shaped opening 221 and the circular shim 23 of the square through hole 212 of fixed plate 21 and the circular plain bearing plate 22
Shape through-hole 231, and being fastened respectively with nut 25, close the head position of the screw 24 with square stem 241 and with it is described
The square through hole 212 of fixed plate 21 matches, and in order to the fastening of nut 25, the thickness of the circular plain bearing plate 22 compares institute
The left plate 113 for stating frame-type connecting plate 11 is thick, institute after fastening circular plain bearing plate 22 and circular shim 23 so as to nut 25
11 opposing circular sliding axle board 22 of frame-type connecting plate is stated with small axial string momentum, the fixed plate 21 is in square through hole
212 outside is additionally provided with four isometrical circular through holes 213, and the center of circle of four circular through holes 213 constitutes a square,
And the four edges of the square are in horizontal or vertical arrangement, are had on 113 rear portion of left plate of the frame-type connecting plate 11
Two circular holes 117,114 corresponding position of right side bending part of the frame-type connecting plate 11 also is provided with two circular holes 118, described
There is pull rod 26 knob portion 261 and two sliding bar portions 262, the sliding bar portion 262 to be each passed through the frame-type connecting plate 11
The circular hole up and down 118,117 of right side bending part 114 and left plate 113, the sliding bar portion 262 are being located at frame-type connecting plate 11
Part between left plate 113 and right side bending part 114 is equipped with pull-rod spring 27, and the pull-rod spring 27 passes through gasket 28 and card
Ring 29 locks, and the two corresponding circles that the end of the sliding bar portion 262 also extends through the fixed plate 21 when loosening of pull rod 26 are led to
Hole 213, pull rod 26 can disengage two corresponding circular through holes of the fixed plate 21 in the end of the sliding bar portion 262 when tensing
213。
Further, the U-shaped board structure that the directive wheel fixing piece 14 is integrally formed, the directive wheel are fixed
Plane where part 14 is whole and angle folded by the axis of internal round tube 13 are 145 ° -160 °, and the directive wheel fixing piece
14 parts connected with internal round tube 13 are provided with reinforcing rib, and the thrust bearing 19 is thrust ball bearing.
The application method of this guide wheel device is briefly described below:
In the normal driving process of caravan, this caravan directive wheel is in horizontal folding state, first when needing to park
First tensile ties 26 make it slide the correspondence circular through hole 213 that the end of bar portion 262 disengages fixed plate 21, at this time rotation guiding
Wheel is whole to arrive vertical direction, releasing lever make its slide the correspondence circular through hole 213 of the end of bar portion 262 insertion fixed plate 21 from
And making directive wheel integral locking in vertical position, the handle 18 of subsequent one side rotary caster telescopic device 1 applies suitably on one side
Power prevent directive wheel 15 from circumferentially following rotation, to make the whole elongation downwards of directive wheel 15, when be elongated to directive wheel 15 with
When the reliable contacts of face, continuing to rotate handle 18 makes directive wheel 15 turn to required direction, thus according to specified target position
Movable limousine；When caravan needs when driving, using shortening with above-mentioned opposite step and folding directive wheel.
Using the present invention, mainly have the advantages that
1, the sliding bearing being made of frame-type connecting plate and circular plain bearing plate, simple structure and convenient processing, safety
Reliably, manufacturing cost can be substantially reduced；
2, it had both been able to achieve the flexible of directive wheel by rotational handle, also can control the rotation direction of directive wheel, transmission principle
Simply, compact-sized, easy to operate.
Therefore, application prospect is had a vast market in caravan trailer field using the directive wheel of structure of the invention.On
The embodiment stated is only a kind of specific design, and the limitation that the present invention should be not limited to the above embodiments is all to meet spirit of that invention
Design should all include within the scope of the present invention.
Claims (4)
1. a kind of caravan trailer guide wheel device, including directive wheel telescopic device (1) and directive wheel draw off gear (2), special
Sign is: the directive wheel draw off gear (2) connects firmly the corresponding position of caravan by one side, and the directive wheel is flexible
Device (1) is flexibly connected at middle part with the directive wheel draw off gear (2), tenses the pull rod (26) of directive wheel draw off gear (2)
Directive wheel telescopic device (1) can be made relative to directive wheel draw off gear (2) unitary rotation, releasing lever (26) can make to be oriented to
Telescopic device (1) is taken turns to lock in horizontal or vertical position, thus realize the folding and unfolding of directive wheel (15), rotary caster telescopic device
(1) handle (18) can make directive wheel (15) lower flexible on the whole, and when directive wheel (15) are with ground reliable contacts after
Continuous rotational handle (18) can be such that directive wheel (15) turn to, so as to according to specified target position movable limousine.
2. a kind of caravan trailer guide wheel device as described in claim 1, it is characterised in that: the flexible dress of the directive wheel
Setting (1) includes frame-type connecting plate (11), external circular tube (12), internal round tube (13), directive wheel fixing piece (14), directive wheel
(15), transmission nut (16), lead screw (17), handle (18), thrust bearing (19), bearings plate (110), are in directive wheel
In the state of vertical position, the frame-type connecting plate (11) includes integrally formed epipleural (111), lower side panel (112), a left side
Side plate (113) and right side bending part (114), right side bending part (114) width is short compared with left plate (113) and is divided into centre
The corresponding position of two parts up and down disconnected, epipleural (111) and lower side panel (112) in close proximity to right side bending part (114)
Equipped with U-shaped opening (115), external circular tube (12) passes through the U-shaped opening (115) and the front end face and frame of right side bending part (114)
Type connecting plate (11) welding connects firmly, the lower ending opening of external circular tube (12), the inside round tube (13) and external circular tube (12)
Size match and be integrally inserted into from lower end in external circular tube (12), the internal round tube (13) is in upper end and transmission nut
(16) welding connects firmly, the upper end closed of external circular tube (12), but is equipped with one at enclosed construction center and matches with the lead screw (17)
Circular hole (121), the lead screw (17) is most of to be inserted into external circular tube (12) and inside round tube (13) from the circular hole (121)
Interior and constitute screw pair with transmission nut (16), lead screw (17) is located at the part of external circular tube (12) outside and passes through perpendicular to axis
The pin shaft of line is connected firmly with handle (18), and the lead screw (17) in external circular tube (12) against circular hole (121) is partially equipped with thrust
Bearing (19), and the bearings plate (110) connected firmly with lead screw (17), the inner circular are provided in thrust bearing (19) lower end
Pipe (13) is connected firmly in lower end and directive wheel fixing piece (14), and directive wheel described in the directive wheel fixing piece (14) rotational support
(15)。
3. a kind of caravan trailer guide wheel device as claimed in claim 2, it is characterised in that: the directive wheel folding and unfolding dress
Setting (2) includes fixed plate (21), circular plain bearing plate (22), circular shim (23), screw (24), nut (25), pull rod
(26), pull-rod spring (27), gasket (28) and snap ring (29), the directive wheel draw off gear (2) are by fixed plate (21)
Multiple mounting holes (211) of left side and the corresponding position of caravan connect firmly, and the frame-type connecting plate (11) is set to the fixation
The right side of plate (21), and circular open (116) are equipped at the left plate center of frame-type connecting plate (11), the round sliding axle
Board (22) is set in the circular open (116) and matches with its size, and the circular shim (23) connects set on frame-type
Close to left side Board position in fishplate bar (11), uniformly there are three square through hole (212), institutes in central loop for the fixed plate (21)
The circular plain bearing plate (22) stated is evenly equipped with three U-shaped openings (221) in periphery, and the circular shim (23) is close to outer
The position in week is uniformly distributed there are three isometrical circular through hole (231), the screw (24) and nut (25) respectively there are three, it is described
Three screws (24) pass through the fixed plate (21) square through hole (212) and the circular plain bearing plate (22) it is U-shaped
The circular through hole (231) of opening (221) and the circular shim (23), and fastened respectively with nut (25), the screw
(24) close head position has square stem (241) and matches with the square through hole (212) of the fixed plate (21), so as to
Fastening in nut (25), the left plate of the thickness of the circular plain bearing plate (22) than the frame-type connecting plate (11)
(113) thick, the frame-type connecting plate after fastening circular plain bearing plate (22) and circular shim (23) so as to nut (25)
(11) opposing circular sliding axle board (22) has small axial string momentum, and the fixed plate (21) is in square through hole (212)
Outside be additionally provided with four isometrical circular through holes (213), the center of circle of four circular through holes (213) constitutes a pros
Shape, and the four edges of the square are in horizontal or vertical arrangement, on left plate (113) rear portion of the frame-type connecting plate (11)
It divides into there are two circular hole (117), right side bending part (114) corresponding position of the frame-type connecting plate (11) also is provided with two circles
Hole (118), the pull rod (26) have knob portion (261) and two sliding bar portions (262), the sliding bar portion (262) point
Not Chuan Guo on the right side of the frame-type connecting plate (11) bending part (114) and left plate (113) circular hole up and down (118,117), it is described
Bar portion (262) are slided in the part between frame-type connecting plate (11) left plate (113) and right side bending part (114) equipped with drawing
Bar spring (27), the pull-rod spring (27) are locked by gasket (28) and snap ring (29), pull rod (26) sliding when loosening
The end of bar portion (262) also extends through two corresponding circular through holes (213) of the fixed plate (21), when pull rod (26) tenses described in
The end of sliding bar portion (262) can disengage two corresponding circular through holes (213) of the fixed plate (21).
4. a kind of caravan trailer guide wheel device as claimed in claim 2 or claim 3, it is characterised in that: the directive wheel is solid
Determine the U-shaped board structure that part (14) is integrally formed, plane and internal round tube where the directive wheel fixing piece (14) is whole
(13) angle folded by axis is 145 ° -160 °, and the portion that the directive wheel fixing piece (14) and internal round tube (13) connect
Set up separately and be equipped with reinforcing rib, the thrust bearing (19) is thrust ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610845579.0A CN106335478B (en) | 2016-09-25 | 2016-09-25 | A kind of caravan trailer guide wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610845579.0A CN106335478B (en) | 2016-09-25 | 2016-09-25 | A kind of caravan trailer guide wheel device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106335478A CN106335478A (en) | 2017-01-18 |
| CN106335478B true CN106335478B (en) | 2019-03-01 |
Family
ID=57839324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610845579.0A Active CN106335478B (en) | 2016-09-25 | 2016-09-25 | A kind of caravan trailer guide wheel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106335478B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828440B (en) * | 2017-03-08 | 2018-07-31 | 吉林大学 | A kind of tyre explosion safety auxiliary device suitable for the unmanned mine car of 4 wheel driven |
| CN107745703A (en) * | 2017-11-01 | 2018-03-02 | 周红军 | A kind of new automobile transfer |
| CN114475533A (en) * | 2022-01-18 | 2022-05-13 | 黑系智能装备(威海)有限公司 | Guide wheel for trailer |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004034105A1 (en) * | 2004-07-15 | 2006-02-09 | Kröwel, Volker | Manually operated hydraulic support unit for trailer, comprising valve preventing fluid from returning |
| CN1970374A (en) * | 2005-11-25 | 2007-05-30 | 天津得鑫电机有限公司 | Directive wheel |
| CN201189859Y (en) * | 2007-12-20 | 2009-02-04 | 贵州航天乌江科技有限责任公司 | Bidirectional rotary ratcheting up-down supporting device |
| CN201484386U (en) * | 2009-05-31 | 2010-05-26 | 长沙中联重工科技发展股份有限公司 | Expansion leg |
| CN102897148B (en) * | 2012-10-12 | 2015-10-14 | 三一汽车制造有限公司 | A kind of telescopic leg and construction machinery and equipment |
| CN203063915U (en) * | 2013-01-21 | 2013-07-17 | 三一汽车制造有限公司 | Supporting leg roller device, supporting leg and engineering machinery |
| CN204736944U (en) * | 2015-05-26 | 2015-11-04 | 荣成康派斯新能源车辆有限公司 | Car as a house leading wheel |
| CN206254986U (en) * | 2016-09-25 | 2017-06-16 | 威海高登旅游休闲用品有限公司 | A kind of caravan trailer guide wheel device |
-
2016
- 2016-09-25 CN CN201610845579.0A patent/CN106335478B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106335478A (en) | 2017-01-18 |
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Address after: No.20, Jiangsu East Road, Lingang Economic and Technological Development Zone, Weihai City, Shandong Province 264200 Patentee after: Heisi intelligent equipment (Weihai) Co.,Ltd. Address before: No.20, Jiangsu East Road, Lingang Economic and Technological Development Zone, Weihai City, Shandong Province 264200 Patentee before: WEIHAI GORDON TOURISM & LEISURE PRODUCTS Co.,Ltd. |
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Denomination of invention: A Trailer Trailer type guide wheel device Effective date of registration: 20210526 Granted publication date: 20190301 Pledgee: Weihai Commercial Bank Co.,Ltd. Lingang Economic and Technological Development Zone sub branch Pledgor: Heisi intelligent equipment (Weihai) Co.,Ltd. Registration number: Y2021990000450 |
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