CN204451867U - A kind of tractor - Google Patents
A kind of tractor Download PDFInfo
- Publication number
- CN204451867U CN204451867U CN201420837008.9U CN201420837008U CN204451867U CN 204451867 U CN204451867 U CN 204451867U CN 201420837008 U CN201420837008 U CN 201420837008U CN 204451867 U CN204451867 U CN 204451867U
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- CN
- China
- Prior art keywords
- push rod
- ball lock
- ball
- housing
- chamber
- Prior art date
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Abstract
The utility model discloses a kind of tractor and comprise a downward opening housing, enclosure interior be provided with communicate spherical cavity, ball lock chamber and push rod chamber, spherical cavity can insert the ball stud on another transportation means, be provided with push rod in push rod chamber and be erected at by ram bolt on the inwall in push rod chamber, be provided with ball lock in ball lock chamber and use ball lock spindle housing on the inwall in ball lock chamber; Its advantage is: with fasten the ball lock ball lock spindle housing of ball stud on housing, ball lock with do not need between housing directly to contact, and when fastening ball stud, do not need housing to bear antagonistic force, so the gap between ball lock and housing can do larger, even if ball lock and housing have got rusty in Long-Time Service process, also use can not be had influence on; When towage, propulsion arm and safety plug can play and prevent ball lock from rotating stressed; Safety plug and safety plate can play anti-throw-out lever and produce mobile.
Description
Technical field
The utility model relates to a kind of car accessories, specifically a kind of tractor.
Background technology
Tractor is used to the attached utensil dragging transportation means, has a variety of style, to tackle in different transport vehicles.
Wherein there is a kind of tractor, be mainly used to be buckled on the tie bolt of a spherical head, existing such tractor comprises a housing, spherical head can be put in the chamber of housing, housing is also provided with a movable part, along with the activity of movable part, spherical head has just been stuck in the chamber of housing, thus drag another transportation means, but movable part is larger with the area of contact of housing, and tractor needs again to be arranged on chassis, get rusty easily, and easily stuck, movable part is not easily stirred, or spherical head put into after can not get out.
Summary of the invention
The utility model is not enough for prior art, provides one relatively more flexible, not easily stuck a kind of tractor.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: a kind of tractor, comprise a downward opening housing, described enclosure interior is provided with the spherical cavity communicated, ball lock chamber and push rod chamber, described spherical cavity can insert the ball stud on another transportation means, be provided with push rod in described push rod chamber and be erected at by ram bolt on the inwall in described push rod chamber, be provided with ball lock in described ball lock chamber and use ball lock spindle housing on the inwall in described ball lock chamber, when described push rod withstands the side of described ball lock, the opposite side of described ball lock wraps the ball head of ball stud, thus prevent ball stud to be pulled out.
The derby of described ball lock to be cross-sectional plane be ligulate, described ball lock comprises root of the tongue portion and the lip of the tongue, one-sidedly to heave outward mutually, opposite side indent forms indent sphere, described ball lock rotating shaft is through described root of the tongue portion, described push rod withstands on described the lip of the tongue, the ball head of described interior concave spherical surface parcel ball stud.
The top of described housing is provided with propulsion arm cover, and be provided with propulsion arm and propulsion arm spring in described propulsion arm cover, described propulsion arm is through the end face withstanding on described root of the tongue portion after described housing.
Described housing is provided with the safety plug that can manually extract, described safety plug can be resisted against described the lip of the tongue and/or described push rod.
The lower end of described push rod is provided with sharp protuberance, and described sharp protuberance is against described the lip of the tongue, and the upper end in described push rod portion is provided with described push rod overcoat and is connected with push rod spring, and the top of described push rod overcoat is provided with moulds handle processed.
The side outwardly convex of described housing forms ram seat, described ram seat comprises upper projecting portion, lower convex portion and push rod groove, the described upper projecting portion described in the segmentation of push rod groove, when described ball stud is fastened by ball lock, described push rod overcoat is fastened between described upper projecting portion and described lower convex portion, when needing to extract described ball stud, push described push rod groove after described push rod overcoat upwards pulls up and by described upper projecting portion institute spacing.
The below of described lower convex portion is provided with safety plate, and described pushing rod sleeve is provided with transverse groove, and described safety plate is buckled in described transverse groove.
The utility model compared with prior art, there is following beneficial effect: with fasten the ball lock ball lock spindle housing of ball stud on housing, ball lock with do not need between housing directly to contact, and when fastening ball stud, do not need housing to bear antagonistic force, so the gap between ball lock and housing can do comparatively large, even if ball lock and housing have got rusty in Long-Time Service process, also can not have influence on use; When towage, propulsion arm and safety plug can play and prevent ball lock from rotating stressed; Safety plug and described safety plate can play anti-throw-out lever and produce mobile.
Accompanying drawing explanation
Fig. 1 is the using state section-drawing one of the utility model embodiment.
Fig. 2 is the using state section-drawing two of the utility model embodiment.
Fig. 3 is the front view of the utility model embodiment.
Fig. 4 is the casing cross-section figure of the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail: as Figure 1-4, in figure, mark is as follows: housing 1, spherical cavity 1a, ball lock chamber 1b, push rod chamber 1c, ram seat 1d, upper projecting portion 1e, lower convex portion 1f, push rod groove 1g, ball stud 2, push rod 3, point protuberance 3a, ram bolt 4, ball lock 5, root of the tongue portion 5a, the lip of the tongue 5b, interior concave spherical surface 5c, ball lock rotating shaft 6, propulsion arm cover 7, propulsion arm 8, propulsion arm spring 9, safety plug 10, push rod overcoat 11, push rod spring 12, mould handle 13 processed, safety plate 14.
A kind of tractor comprises a downward opening housing 1, enclosure interior is provided with the spherical cavity 1a, ball lock chamber 1b and the push rod chamber 1c that communicate, spherical cavity can insert the ball stud 2 on another transportation means, be provided with push rod 3 in push rod chamber and be erected on the inwall in push rod chamber by ram bolt 4, be provided with ball lock 5 in ball lock chamber and use ball lock rotating shaft 6 frame on the inwall in ball lock chamber, when push rod withstands the side of ball lock, the opposite side of ball lock wraps the ball head of ball stud, thus prevents ball stud to be pulled out.
The derby of ball lock to be cross-sectional plane the be arc-shaped flaky of ligulate, ball lock comprises root of the tongue portion 5a and the lip of the tongue 5b, one-sidedly to heave outward mutually, opposite side indent forms indent sphere 5c, the rotating shaft of ball lock is through root of the tongue portion, push rod withstands on the lip of the tongue, the ball head of interior concave spherical surface parcel ball stud, thus reaches and prevent ball stud to be pulled out.
The top of housing is provided with propulsion arm cover 7, be provided with propulsion arm 8 and propulsion arm spring 9 in propulsion arm cover, propulsion arm is through the end face withstanding on root of the tongue portion after housing, and propulsion arm cover can push down downwards root of the tongue portion at propulsion arm spring, in case the stressed upset of ball lock, play one safety effect.
Housing is provided with the safety plug 10 that can manually extract, safety plug can be resisted against the lip of the tongue and/or push rod, and safety plug can only manually be extracted, if do not extracted, the lip of the tongue and/or push rod all cannot rotate, and ball stud is subject to very large pulling force and also can not be drawn out.
The lower end of push rod is provided with sharp protuberance 3a, and sharp protuberance is against the lip of the tongue, and the upper end in push rod portion is provided with push rod overcoat 11 and is connected with push rod spring 12, and the top of push rod overcoat is provided with moulds handle 13 processed.
The side outwardly convex of housing forms ram seat 1d, ram seat comprises upper projecting portion 1e, lower convex portion 1f and push rod groove 1g, push rod groove segmentation upper projecting portion, when ball stud is fastened by ball lock, push rod overcoat is fastened between upper projecting portion and lower convex portion, when needing to extract ball stud, push push rod groove after push rod overcoat upwards pulls up and by upper projecting portion institute spacing.
The below of lower convex portion is provided with safety plate 14, and pushing rod sleeve is provided with transverse groove, and safety plate is buckled in transverse groove.
In sum, ball stud can be spacing by ball lock, and ball lock can be spacing by push rod, propulsion arm and safety plug, push rod can be insured sheet and safety plug institute spacing.
Claims (7)
1. a tractor, comprise a downward opening housing (1), it is characterized in that: described enclosure interior is provided with the spherical cavity (1a) communicated, ball lock chamber (1b) and push rod chamber (1c), described spherical cavity can insert the ball stud (2) on another transportation means, be provided with push rod (3) in described push rod chamber and be erected on the inwall in push rod chamber by ram bolt (4), ball lock (5) is provided with and with ball lock rotating shaft (6) frame on the inwall in ball lock chamber in described ball lock chamber, when described push rod withstands the side of described ball lock, the opposite side of described ball lock wraps the ball head of described ball stud, thus prevent ball stud to be pulled out.
2. a kind of tractor as claimed in claim 1, it is characterized in that: the derby of described ball lock to be cross-sectional plane be ligulate, described ball lock comprises root of the tongue portion (5a) and the lip of the tongue (5b), one-sidedly outwards to heave, opposite side indent forms indent sphere (5c), described ball lock rotating shaft is through described root of the tongue portion, and described push rod withstands on described the lip of the tongue, the ball head of the described ball stud described in interior concave spherical surface parcel.
3. a kind of tractor as claimed in claim 2, it is characterized in that: the top of described housing is provided with propulsion arm cover (7), be provided with propulsion arm (8) and propulsion arm spring (9) in described propulsion arm cover, described propulsion arm is through the end face withstanding on described root of the tongue portion after housing.
4. a kind of tractor as claimed in claim 2, is characterized in that: described housing is provided with the safety plug (10) that can manually extract, described safety plug can be resisted against the lip of the tongue and/or push rod.
5. a kind of tractor as claimed in claim 2, it is characterized in that: the lower end of described push rod is provided with sharp protuberance (3a), described sharp protuberance is against the lip of the tongue, the upper end in described push rod portion is provided with push rod overcoat (11) and is connected with push rod spring (12), and the top of described push rod overcoat is provided with moulds handle processed (13).
6. a kind of tractor as claimed in claim 5, it is characterized in that: the side outwardly convex of described housing forms ram seat (1d), described ram seat comprises upper projecting portion (1e), lower convex portion (1f) and push rod groove (1g), the described upper projecting portion described in the segmentation of push rod groove, when ball stud is fastened by ball lock, described push rod overcoat is fastened between described upper projecting portion and described lower convex portion, when needing to extract ball stud, push described push rod groove after described push rod overcoat upwards pulls up and by described upper projecting portion institute spacing.
7. a kind of tractor as claimed in claim 6, is characterized in that: the below of described lower convex portion is provided with safety plate (14), and pushing rod sleeve is provided with transverse groove, and described safety plate is buckled in described transverse groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837008.9U CN204451867U (en) | 2014-12-26 | 2014-12-26 | A kind of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837008.9U CN204451867U (en) | 2014-12-26 | 2014-12-26 | A kind of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204451867U true CN204451867U (en) | 2015-07-08 |
Family
ID=53658803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420837008.9U Active CN204451867U (en) | 2014-12-26 | 2014-12-26 | A kind of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204451867U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527349A (en) * | 2014-12-26 | 2015-04-22 | 宁波天胜传动件有限公司 | Traction device |
| CN108001133A (en) * | 2016-10-31 | 2018-05-08 | 比亚迪股份有限公司 | Draw operations device and there is its tractor |
| US10179488B2 (en) | 2015-11-04 | 2019-01-15 | Agco Corporation | Drawbar assembly with pin ejector mechanism |
-
2014
- 2014-12-26 CN CN201420837008.9U patent/CN204451867U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527349A (en) * | 2014-12-26 | 2015-04-22 | 宁波天胜传动件有限公司 | Traction device |
| US10179488B2 (en) | 2015-11-04 | 2019-01-15 | Agco Corporation | Drawbar assembly with pin ejector mechanism |
| CN108001133A (en) * | 2016-10-31 | 2018-05-08 | 比亚迪股份有限公司 | Draw operations device and there is its tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |