CN208842159U - One kind pulling caravan hitch frame - Google Patents
One kind pulling caravan hitch frame Download PDFInfo
- Publication number
- CN208842159U CN208842159U CN201821724748.6U CN201821724748U CN208842159U CN 208842159 U CN208842159 U CN 208842159U CN 201821724748 U CN201821724748 U CN 201821724748U CN 208842159 U CN208842159 U CN 208842159U
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- CN
- China
- Prior art keywords
- hitch frame
- pull rod
- rotating disc
- draw bar
- 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.)
- Expired - Fee Related
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Abstract
The utility model 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 utility model 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 utility model 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
Hitch 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 this utility model is to provide a kind of connections is highly adjustable, can
Caravan hitch frame is pulled to what the wheel for pulling caravan was limited.
To achieve the above object, the utility model provides the following technical solutions: one kind pulling caravan hitch frame comprising leads
Draw frame ontology and support wheel, the support wheel activity is assemblied on hitch frame ontology, it is characterised in that: in the hitch frame
One end of ontology is fixedly connected with mounting plate;A connection is fixedly connected in the lower end surface that the hitch frame ontology closes on mounting plate
Seat connects a flexible gag lever post by universal shaft coupling device on the attachment base, is rotatablely connected one on the attachment base
Pull rod, the one end of the pull rod far from attachment base is by positioning pin releasable connection on flexible gag lever post;In the traction
It is fixedly connected with fixing sleeve on the other end of frame ontology, is equipped with rotating disc in the outer circumferential of the fixing sleeve, described consolidates
Rolling element is equipped between fixed set and rotating disc;The first draw bar is fixedly connected on the side end face of the rotating disc, in institute
The first draw bar stated is 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 utility model is fixedly connected with mounting plate in hitch frame ontology one end, connects by the way that mounting plate and caravan girder are fixed
It connects;Fixing sleeve outer circumferential on the hitch frame ontology other end is equipped with rotating disc, first fixed on rotating disc side end face
Traction boom end is rotatably connected to bulb attachment base, and bulb attachment base connect with the bulb being fixed on trailer, then realizes and drag
Vehicle is dilatory to the traction of caravan, and the rotation between rotating disc and fixing sleeve, realizes the adjustment of connection height;In hitch frame sheet
Body, which closes on the attachment base of the lower end surface of mounting plate, connects a flexible gag lever post through universal shaft coupling device, using flexible gag lever post to wheel
Tire is limited, and the safety of caravan parking stop is improved.
Detailed description of the invention
Fig. 1 is a kind of structural front view of the utility model;
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 utility model.
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 utility model is described further 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.
When the utility model is used, the mounting plate 1 on hitch frame ontology 2 is fitted in the bottom girder for pulling caravan,
Then mounting plate 1 is fixedly connected with girder using bolt;Connected again by bulb attachment base 5 with the bulb being fixed on trailer
It connects, then realizes trailer and the traction of caravan is drawn, in bulb attachment base 5 and bulb connection procedure, by rotating disc 6 and fix
Rotation between set 20 realizes the adjustment of connection height.When the connector on trailer use be not bulb when, can be by the
Two draw bars 17 and traction seat 18, towing pad 19 and trailer carry out pin joint.When parking is stopped, as shown in fig. 6, extracting positioning pin
12, 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, limitation
Wheel rolls forward, and chain lock can be used wheel locked by the Tyre-locking hole 14 stretched on gag lever post 8, it stretches
Gag lever post 8 improves the safety of caravan parking stop.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
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 |
---|---|---|---|
CN201821724748.6U CN208842159U (en) | 2018-10-24 | 2018-10-24 | One kind pulling caravan hitch frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821724748.6U CN208842159U (en) | 2018-10-24 | 2018-10-24 | One kind pulling caravan hitch frame |
Publications (1)
Publication Number | Publication Date |
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CN208842159U true CN208842159U (en) | 2019-05-10 |
Family
ID=66376420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821724748.6U Expired - Fee Related CN208842159U (en) | 2018-10-24 | 2018-10-24 | One kind pulling caravan hitch frame |
Country Status (1)
Country | Link |
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CN (1) | CN208842159U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109130732A (en) * | 2018-10-24 | 2019-01-04 | 荣成恒力车业有限公司 | One kind pulling caravan hitch frame |
CN110680585A (en) * | 2019-09-30 | 2020-01-14 | 四川大学华西医院 | Reverse skin traction frame for bone fracture of children and using method thereof |
-
2018
- 2018-10-24 CN CN201821724748.6U patent/CN208842159U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109130732A (en) * | 2018-10-24 | 2019-01-04 | 荣成恒力车业有限公司 | One kind pulling caravan hitch frame |
CN110680585A (en) * | 2019-09-30 | 2020-01-14 | 四川大学华西医院 | Reverse skin traction frame for bone fracture of children and using method thereof |
CN110680585B (en) * | 2019-09-30 | 2023-06-20 | 四川大学华西医院 | Reverse skin traction frame for diaphyseal fracture of children and application method thereof |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20201024 |