CN109130732A - One kind pulling caravan hitch frame - Google Patents
One kind pulling caravan hitch frame Download PDFInfo
- Publication number
- CN109130732A CN109130732A CN201811239939.8A CN201811239939A CN109130732A CN 109130732 A CN109130732 A CN 109130732A CN 201811239939 A CN201811239939 A CN 201811239939A CN 109130732 A CN109130732 A CN 109130732A
- Authority
- CN
- China
- Prior art keywords
- hitch frame
- draw bar
- pull rod
- rotating disc
- attachment base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/488—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting mounted directly to the chassis of the towing vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/42—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for being adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/42—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for being adjustable
- B60D1/46—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for being adjustable vertically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/04—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
Abstract
The present invention discloses one kind and pulls caravan hitch frame.It solves the problems, such as existing to pull caravan hitch frame there are parking safeties poor, connection height and be unable to adjust and poor for applicability.It includes hitch frame ontology and support wheel, is fixed with mounting plate in one end of hitch frame ontology；It is fixed with attachment base in the lower end surface that hitch frame ontology closes on mounting plate, flexible gag lever post is connected with by universal shaft coupling device on attachment base, releasable connection has pull rod between attachment base and flexible gag lever post；It is fixedly connected with fixing sleeve on the other end of hitch frame ontology, rotating disc is equipped on the outside of fixing sleeve；It is fixedly connected with the first draw bar on the side end face of rotating disc, is rotatably connected to bulb attachment base on the one end of the first draw bar far from rotating disc.The present invention is realized connection height and is adjusted by the rotation between rotating disc and fixing sleeve；Tire is limited using flexible gag lever post, improves the safety of caravan parking.
Description
Technical field
The present invention relates to the traction device with the characteristics of the rod piece by being rigidly connected to each other, especially one kind to pull caravan traction
Frame.
Background technique
Hitch frame is that a kind of machine tool pulling caravan and being drawn is mounted on and is pulled on caravan, when pulling caravan
When needing mobile, the hitch frame pulled on caravan is connected and fixed with automobile or trailer, carries out dragging row using external trailer
It sails, to guarantee that pulling caravan persistently moves.Currently, for pull caravan hitch frame be usually by triangle connecting rack (or
Fixing seat), draw bar, bulb connector and support wheel, triangle connecting rack (or fixing seat) and the girder for pulling caravan are solid
Fixed connection, draw bar one end are fixedly connected in triangle connecting rack (or fixing seat), and bulb attachment base is fixed on draw bar
The other end, support wheel are assemblied on draw bar, and bulb attachment base can be used for connecting with trailer, and support wheel can be on draw bar
It carries out parallel ground or position adjusts perpendicular to the ground, to be towed or parking to be supported to stop.The caravan of above structure is drawn
Frame causes the height of bulb attachment base certain because its triangle connecting rack (or fixing seat) is fixedly connected with caravan girder, can not
It is applicable in different types of trailer.In addition, the caravan hitch frame of this kind of structure can not limit the wheel for pulling caravan, pull
It is poor that safety is stopped in caravan parking.
Summary of the invention
In order to overcome it is existing pull caravan hitch frame exist connection height be unable to adjust and it is poor for applicability, can not limit and pull
Caravan is mobile and the deficiency of safety difference is stopped in parking, and that the purpose of the present invention is to provide a kind of connections is highly adjustable, can be to dragging
What the wheel of extension caravan was limited pulls caravan hitch frame.
To achieve the above object, the invention provides the following technical scheme: one kind pulls caravan hitch frame comprising hitch frame
Ontology and support wheel, the support wheel activity are assemblied on hitch frame ontology, it is characterised in that: in the hitch frame ontology
One end be fixedly connected with mounting plate；It is fixedly connected with a connecting seat in the lower end surface that the hitch frame ontology closes on mounting plate,
A flexible gag lever post is connected by universal shaft coupling device on the attachment base, one is rotatablely connected on the attachment base and is drawn
Bar, the one end of the pull rod far from attachment base is by positioning pin releasable connection on flexible gag lever post；In the hitch frame
It is fixedly connected with fixing sleeve on the other end of ontology, is equipped with rotating disc, the fixation in the outer circumferential of the fixing sleeve
Rolling element is equipped between set and rotating disc；The first draw bar is fixedly connected on the side end face of the rotating disc, described
The first draw bar far from being rotatably connected to bulb attachment base on one end of rotating disc.
Preferably, the inner hole for fixing sleeve being corresponded on the hitch frame ontology offers sliding slot, in the sliding slot
Trench bottom opens up a pin joint hole, and activity is combined with the second draw bar in the sliding slot, opens on second draw bar
Equipped with several location holes, the second draw bar is located by connecting on by the way that wherein a positioning hole is plugged in pin joint hole by a connecting pin
In the sliding slot, second draw bar runs through the inner hole of fixing sleeve far from one end of connecting pin and is fixedly connected with traction
Seat, opens up a towing pad on the traction seat.
Preferably, anti-skid bulge is provided on described one end of flexible gag lever post far from universal shaft coupling device.
Preferably, a Tyre-locking hole is opened up on the side that the flexible gag lever post closes on anti-skid bulge.
Preferably, the pull rod is made of the first pull rod and the second pull rod, first pull rod and the second pull rod
Between be threadedly coupled.
The present invention is fixedly connected with mounting plate in hitch frame ontology one end, is fixedly connected by mounting plate with caravan girder；
Fixing sleeve outer circumferential on the hitch frame ontology other end is equipped with rotating disc, the first fixed traction on rotating disc side end face
Boom end is rotatably connected to bulb attachment base, and bulb attachment base is connect with the bulb being fixed on trailer, then realizes trailer pair
The traction of caravan is dilatory, and the rotation between rotating disc and fixing sleeve, realizes the adjustment of connection height；Face in hitch frame ontology
Connect a flexible gag lever post through universal shaft coupling device on the attachment base of the lower end surface of nearly mounting plate, using flexible gag lever post to tire into
Row limit, improves the safety of caravan parking stop.
Detailed description of the invention
Fig. 1 is a kind of structural front view of the invention；
Fig. 2 is partial enlarged view at A in Fig. 1；
Fig. 3 is B in Fig. 1 to enlarged drawing；
Fig. 4 is C in Fig. 1 to enlarged drawing；
Fig. 5 is the cutaway view Amplified image of the line D-D along Fig. 4；
Fig. 6 is a kind of using state structure diagram of the invention.
Marked in the figure: 1. mounting plates, 2. hitch frame ontologies, 3. connecting pins, 4. first draw bars, 5. bulb attachment bases, 6.
Rotating disc, 7. support wheels, 8. flexible gag lever posts, 9. attachment bases, 10. universal shaft coupling devices, 11. pull rods, 1101. first pull rods,
1102. second pull rods, 12. positioning pins, 13. anti-skid bulges, 14. Tyre-locking holes, 15. sliding slots, 16. pin joint holes, 17. second lead
Draw bar, 18. traction seats, 19. towing pads, 20. fixing sleeves, 21. location holes, 22. stop collars, 23. inner holes, 24. rolling elements.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, one kind pulls caravan hitch frame comprising hitch frame ontology 2 and support wheel 7, support wheel 7 is routinely
Activity is assemblied on hitch frame ontology 1.Support wheel 7 can carry out parallel ground location or perpendicular to the ground position in hitch frame ontology 2
Adjustment tows or supports parking to stop to carry out caravan.
In Fig. 1, mounting plate 1 is fixedly connected in one end of hitch frame ontology 2.It is solid by mounting plate 1 and caravan girder
Fixed connection.
As shown in Figure 1 and Figure 2, a connecting seat 9 is fixedly connected in the lower end surface that hitch frame ontology 2 closes on mounting plate 1.In Fig. 2
In, a flexible gag lever post 8 is connected by universal shaft coupling device 10 on attachment base 9, flexible gag lever post 8 is existed by universal shaft coupling device 10
Universal rotational is carried out on attachment base 9.
In order to increase the frictional force between flexible gag lever post 8 and wheel, as shown in figure 3, in flexible gag lever post 8 far from universal
Anti-skid bulge 13 is provided on one end of shaft joint 10.
Lock between flexible gag lever post 8 and wheel to realize, as shown in figure 3, closing in flexible gag lever post 8 anti-
A Tyre-locking hole 14 is opened up on the side of sliding protrusion 13.
In Fig. 2, a pull rod 11, the one end of pull rod 11 far from attachment base 9 are rotatablely connected by connecting shaft on attachment base 9
Through 12 releasable connection of positioning pin on flexible gag lever post 8.When pull rod 11 is connect with flexible gag lever post 8, the gag lever post 8 that stretches is hanging
And vehicle is facilitated to tow；Positioning pin 12 is extracted, then pull rod 11 is separated with flexible gag lever post 8, and the gag lever post 8 that stretches is free to rotate.
In order to keep the length of pull rod 11 adjustable, as shown in Fig. 2, pull rod 11 is 1102 groups of the first pull rod 1101 and the second pull rod
At being threadedly coupled between the first pull rod 1101 and the second pull rod 1102.
In Fig. 4, fixing sleeve 20 is fixedly connected on the other end of hitch frame ontology 2.
As shown in Figure 1, Figure 4, Figure 5, it is equipped with rotating disc 6 in the outer circumferential of fixing sleeve 20, the outer end of fixing sleeve 20 is equipped with
Stop collar 22, the stop collar 22 are bolted to connection on the outer end of fixing sleeve 20, are played axial limiting to rotating disc 6 and are made
With.
In Fig. 5, rolling element 24 is equipped between fixing sleeve 20 and rotating disc 6.Rolling element 24 effectively reduces fixing sleeve 20
With the friction between rotating disc 6, rotate rotating disc 6 flexibly.
As shown in Figure 1, Figure 4, Figure 5, the first draw bar 4 is fixedly connected on the side end face of rotating disc 6, in the first traction
Bar 4 is rotatably connected to bulb attachment base 5 on one end far from rotating disc 6.
As shown in Figure 4, Figure 5, the inner hole 23 that fixing sleeve 20 is corresponded on hitch frame ontology 2 offers sliding slot 15.In Fig. 4
In, a pin joint hole 16 is opened up in the trench bottom of sliding slot 15, activity is combined with the second draw bar 17 in sliding slot 15, in the second traction
It is opened up on bar 17 there are four location hole 21, a connecting pin 3 is plugged on pin by the wherein a positioning hole 21 on the second draw bar 17
It connects in hole 16 and the second draw bar 17 is located by connecting in sliding slot 15, connecting pin 3 passes through different location holes 21 and pin joint hole
16 carry out grafting, can facilitate the drawing length of the second draw bar 17 of adjustment.
In Fig. 4, Fig. 5, the second draw bar 17 runs through the inner hole 23 of fixing sleeve 20 far from one end of connecting pin 3, and solid
Surely it is connected with traction seat 18.In Fig. 4, a towing pad 19 is opened up on traction seat 18.Second draw bar 17 and traction seat 18
Setting is conducive to hitch frame ontology 2 and is cooperatively connected with the connection structure not having on model trailer, applied widely.
In the use of the present invention, the mounting plate 1 on hitch frame ontology 2 to be fitted in the bottom girder for pulling caravan, then
Mounting plate 1 is fixedly connected with girder using bolt；It is connect again by bulb attachment base 5 with the bulb being fixed on trailer, then
It is dilatory to the traction of caravan to realize trailer, in bulb attachment base 5 and bulb connection procedure, passes through rotating disc 6 and fixing sleeve 20
Between rotation, realize connection height adjustment.When on trailer connector use be not bulb when, can be led by second
Draw bar 17 and traction seat 18, towing pad 19 and trailer carry out pin joint.When parking is stopped, as shown in fig. 6, positioning pin 12 is extracted,
Flexible gag lever post 8 is separated with pull rod 11, then flexible gag lever post 8 is stretched and is turned in front of the wheel for pulling caravan, limits vehicle
Rolls forward is taken turns, and can use chain lock by wheel locked by the Tyre-locking hole 14 stretched on gag lever post 8, limit of stretching
Position bar 8 improves the safety of caravan parking stop.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. one kind pulls caravan hitch frame comprising hitch frame ontology and support wheel, the support wheel activity are assemblied in traction
On frame ontology, it is characterised in that: be fixedly connected with mounting plate in one end of the hitch frame ontology；In the hitch frame sheet
The lower end surface that body closes on mounting plate is fixedly connected with a connecting seat, flexible by universal shaft coupling device connection one on the attachment base
Gag lever post is rotatablely connected a pull rod on the attachment base, and the one end of the pull rod far from attachment base can by positioning pin
It tears open and is connected on flexible gag lever post；It is fixedly connected with fixing sleeve on the other end of the hitch frame ontology, is consolidated in described
Surely the outer circumferential covered is equipped with rotating disc, and rolling element is equipped between the fixing sleeve and rotating disc；In the rotating disc
It is fixedly connected with the first draw bar on side end face, is rotatably connected to ball on described one end of the first draw bar far from rotating disc
Head attachment base.
2. one kind according to claim 1 pulls caravan hitch frame, it is characterised in that: right on the hitch frame ontology
It answers the inner hole of fixing sleeve to offer sliding slot, opens up a pin joint hole in the trench bottom of the sliding slot, it is movable in the sliding slot
It is combined with the second draw bar, several location holes are offered on second draw bar, a connecting pin passes through wherein one positioning
Hole is plugged in pin joint hole and is located by connecting on the second draw bar in the sliding slot, and second draw bar is far from connection
One end of pin runs through the inner hole of fixing sleeve and is fixedly connected with traction seat, and a towing pad is opened up on the traction seat.
3. one kind according to claim 1 pulls caravan hitch frame, it is characterised in that: separate in the flexible gag lever post
Anti-skid bulge is provided on one end of universal shaft coupling device.
4. one kind according to claim 3 pulls caravan hitch frame, it is characterised in that: closed in the flexible gag lever post
A Tyre-locking hole is opened up on the side of anti-skid bulge.
5. one kind according to claim 1 pulls caravan hitch frame, it is characterised in that: the pull rod is by the first pull rod
It forms with the second pull rod, is threadedly coupled between first pull rod and the second pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239939.8A CN109130732A (en) | 2018-10-24 | 2018-10-24 | One kind pulling caravan hitch frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239939.8A CN109130732A (en) | 2018-10-24 | 2018-10-24 | One kind pulling caravan hitch frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109130732A true CN109130732A (en) | 2019-01-04 |
Family
ID=64809275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811239939.8A Pending CN109130732A (en) | 2018-10-24 | 2018-10-24 | One kind pulling caravan hitch frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109130732A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0326570A1 (en) * | 1986-10-07 | 1989-08-09 | Kober Kg A | Height-adjustable towbar for vehicle trailers. |
| CN201300679Y (en) * | 2008-11-20 | 2009-09-02 | 杭州赛奇高空作业机械有限公司 | Trailer tow rod capable of adjusting height |
| US20100127479A1 (en) * | 2008-10-02 | 2010-05-27 | Neal Weipert | Adjustable hitch assembly |
| DE202009011491U1 (en) * | 2009-08-26 | 2011-01-20 | Al-Ko Kober Ag | chassis |
| CN201800471U (en) * | 2010-09-25 | 2011-04-20 | 湖北三江航天万山特种车辆有限公司 | Telescopic draw bar of hydraulic trailer |
| CN203623814U (en) * | 2013-09-13 | 2014-06-04 | 优兰特安全设备(宁波)有限公司 | Fan trailer structure used with motor vehicles |
| CN105377593A (en) * | 2013-04-12 | 2016-03-02 | 爱科有限责任公司 | Height-adjustable draw bar |
| CN205853785U (en) * | 2016-07-26 | 2017-01-04 | 李文君 | A kind of caravan traction frame |
| CN106466996A (en) * | 2015-08-20 | 2017-03-01 | 拖拉机供应公司 | The adjustable trailer hitch of multipurpose |
| CN208842159U (en) * | 2018-10-24 | 2019-05-10 | 荣成恒力车业有限公司 | One kind pulling caravan hitch frame |
-
2018
- 2018-10-24 CN CN201811239939.8A patent/CN109130732A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0326570A1 (en) * | 1986-10-07 | 1989-08-09 | Kober Kg A | Height-adjustable towbar for vehicle trailers. |
| US20100127479A1 (en) * | 2008-10-02 | 2010-05-27 | Neal Weipert | Adjustable hitch assembly |
| CN201300679Y (en) * | 2008-11-20 | 2009-09-02 | 杭州赛奇高空作业机械有限公司 | Trailer tow rod capable of adjusting height |
| DE202009011491U1 (en) * | 2009-08-26 | 2011-01-20 | Al-Ko Kober Ag | chassis |
| CN201800471U (en) * | 2010-09-25 | 2011-04-20 | 湖北三江航天万山特种车辆有限公司 | Telescopic draw bar of hydraulic trailer |
| CN105377593A (en) * | 2013-04-12 | 2016-03-02 | 爱科有限责任公司 | Height-adjustable draw bar |
| CN203623814U (en) * | 2013-09-13 | 2014-06-04 | 优兰特安全设备(宁波)有限公司 | Fan trailer structure used with motor vehicles |
| CN106466996A (en) * | 2015-08-20 | 2017-03-01 | 拖拉机供应公司 | The adjustable trailer hitch of multipurpose |
| CN205853785U (en) * | 2016-07-26 | 2017-01-04 | 李文君 | A kind of caravan traction frame |
| CN208842159U (en) * | 2018-10-24 | 2019-05-10 | 荣成恒力车业有限公司 | One kind pulling caravan hitch frame |
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