CN216684291U - Fixed knot constructs suitable for trailer ball - Google Patents
Fixed knot constructs suitable for trailer ball Download PDFInfo
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- CN216684291U CN216684291U CN202123276168.XU CN202123276168U CN216684291U CN 216684291 U CN216684291 U CN 216684291U CN 202123276168 U CN202123276168 U CN 202123276168U CN 216684291 U CN216684291 U CN 216684291U
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- ball
- clamping sleeve
- trailer
- fixing
- groove
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Abstract
The utility model provides a fixing structure suitable for a trailer ball, which comprises the trailer ball and a ball clamping sleeve; the trailer ball comprises a ball body and an L-shaped rod; the ball clamping sleeve is used for clamping and fixing the trailer ball; the ball clamping sleeve comprises a sleeve body, wherein the center of the sleeve body is provided with an accommodating groove, a ball groove is formed in a preset position of the accommodating groove, the ball body passes through the accommodating groove and then is buckled into the ball groove, the bottom end of the ball clamping sleeve is provided with an arc-shaped notch corresponding to the buckling part, and the outer side of the ball clamping sleeve is provided with at least two fixing screws obliquely inserted into the ball groove; the ball clamping sleeve is sleeved on the ball body, the two fixing screws are rotated to enable the ball body to be pushed and abutted in the ball groove by the fixing screws without falling off, and meanwhile, the barrel body of the ball clamping sleeve is lowered when the fixing screws are rotated to enable the arc-shaped notch to be tightly buckled on the buckling lug part, so that the bicycle carrying frame can be stably fixed.
Description
Technical Field
The utility model relates to the technical field of bicycle carrying frame fixing structures, in particular to a fixing structure suitable for a trailer ball.
Background
Modern people pay attention to outdoor leisure activities, and particularly governments build bicycle paths at various large sightseeing spots, so that the bicycle riding becomes a favorite sport for Chinese people. The new coronary pneumonia affects many people, and most consumers are willing to buy bicycles by themselves to avoid sharing bicycles with other consumers and avoid virus spreading; it is common for consumers to prepare the bicycle carriers and carry the bicycles on the road.
A common bicycle carrier is characterized in that a trailer ball is fixedly arranged at the tail end of an automobile, and the bicycle carrier clamps the trailer ball through a bicycle carrier fixing device. In order to increase the safety, a worker is provided with a connecting buckle lug on the trailer ball, and the bottom end of the bicycle carrying frame fixing device is provided with a hook corresponding to the buckle lug, and the bicycle carrying frame fixing device is firmly attached to the trailer ball by buckling the hook on the buckle lug.
The disadvantages of the above structure are: the existing bicycle carrying frames are different in fixing structure and are easy to interfere with vehicle parts in use, and how to design a fixing structure which is simple to use and can quickly fix the bicycle carrying frame on a trailer ball is a problem actively solved by related manufacturers.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a fixing structure suitable for a trailer ball, which aims to overcome the defect that the existing ball clamping fixing structure of a carrying frame is complex and inconvenient to use, and the trailer ball is fixed through two lateral fixing screws, so that the effect that the carrying frame and the trailer ball can be tightly combined without falling off is achieved.
The structure of the utility model comprises: a trailer ball and a ball clamping sleeve;
the trailer ball comprises a ball body and an L-shaped rod, the L-shaped rod is connected with the tail end of a vehicle, and a buckling part is arranged on the predetermined position of the trailer ball;
the ball clamping sleeve is used for being connected with a vehicle carrying frame and clamping and fixing the trailer ball through the ball clamping sleeve; the ball clamping sleeve comprises a cylindrical sleeve body, the center of the sleeve body is provided with a containing groove, a ball groove is formed at a preset position of the containing groove, the ball body passes through the containing groove and then is buckled into the ball groove, the bottom end of the ball clamping sleeve is provided with an arc-shaped notch corresponding to the buckling part, and the outer side of the ball clamping sleeve is provided with at least two fixing screws obliquely inserted into the ball groove from bottom to top;
the ball clamping sleeve is sleeved on the ball body, the two fixing screws are rotated to enable the ball body to be pushed and abutted in the ball groove by the fixing screws without falling off, and meanwhile, the barrel body of the ball clamping sleeve is lowered when the fixing screws are rotated to enable the arc-shaped notch to be tightly buckled on the buckling lug part, so that the bicycle carrying frame can be stably fixed.
In the embodiment of the utility model, the outer diameter of the ball clamping sleeve is larger than the diameter of the ball body of the trailer ball, the outer edge of the arc-shaped notch is provided with an inward concave arc surface, the ball body of the trailer ball can be coated by the ball groove when the cylinder body descends, and in addition, the arc surface arranged on the arc-shaped notch can be just buckled on the buckling lug part of the trailer ball to increase the sealing property.
In an embodiment of the present invention, the fixing screw has a wing portion for being pulled by a finger of a user, and the fixing screw is configured to adjust the tightness of the ball by rotating the wing portion.
In an embodiment of the present invention, the fixing screw is provided with a holding member for a user to hold, and the fixing screw is configured to adjust the tightness of the ball by rotating the holding member.
Through the above description, the features and effects of the present invention are briefly described as follows:
1. the ball clamping sleeve with the structure can be combined with the carriage frame in various forms, and meanwhile, the ball body of the trailer ball is fixed by the fixing screw, so that the condition of use interference can be prevented.
2. Compared with the prior art, the structure of the utility model is simpler to manufacture or use.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a block diagram of the present invention;
FIG. 3 is a schematic view of the installation of the present invention;
FIG. 4 is a schematic view of the installation of the present invention;
FIG. 5 is a schematic view (one) of the arrangement of the ball-clamping sleeve and the carriage;
FIG. 6 is a layout view of the ball-clamping sleeve and the carriage frame (II);
FIG. 7 is a view showing a butterfly wing portion of the fixing screw;
fig. 8 is a structural view of a fixing screw with a holding member.
In the figure: 10: trailer ball
11: sphere
12: L-shaped rod
13, buckling lug parts
20, ball clamping sleeve
21: cylinder body
22: containing groove
23: ball groove
24 arc notch
241 arc surface
30 vehicle carrying frame
40, fixing screw
41 butterfly wing part
42, a holding piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the present invention is applicable to a fixing structure of a trailer ball, including: a hitch ball 10 and a ball gripping sleeve 20.
As shown in fig. 1 and 2, the hitch ball 10 includes a ball body 11 and an L-shaped rod 12, the L-shaped rod 12 is connected to a tail end (not shown) of a vehicle, and the hitch ball 10 is provided with a buckle portion 13 at a predetermined position.
As shown in fig. 1 and 2, the ball clamping sleeve 20 is used for connecting with a carriage 30, and the trailer ball 10 is clamped and fixed by the ball clamping sleeve 20; as shown in fig. 5 and 6, the ball-clamping sleeve 20 may be combined with the carriage frame 30 by a bolt-nut joint as shown in fig. 5, or welded and fixed as an integral structure as shown in fig. 6, since the combination of the ball-clamping sleeve 20 and the carriage frame 30 is not the main improvement of the present invention, the above two embodiments are only mentioned, and the combination of other types of ball-clamping sleeves 20 and the carriage frame 30 is not further illustrated.
As shown in fig. 1, the ball-catching sleeve 20 comprises a cylindrical barrel 21, a receiving slot 22 is formed in the center of the barrel 21, a ball slot 23 is formed at a predetermined position of the receiving slot 21, and the ball 11 passes through the receiving slot 22 and then is locked in the ball slot 23.
As shown in fig. 1 and fig. 2, the bottom end of the ball-catching sleeve 20 is provided with an arc-shaped notch 24 corresponding to the buckling part 13, and when the ball-catching sleeve 20 is fixed on the trailer ball 10, the arc-shaped notch 24 can be just buckled on the lug part 13.
As shown in fig. 1 and 2, at least two fixing screws 40 are provided on the outer side of the ball clamping sleeve 20 and are inserted into the ball groove 23 from bottom to top.
As shown in fig. 7 and 8, in consideration of convenience of use, the preferred embodiment is that the user directly rotates the fixing screw 40 by hand without using a hand tool, so that, as shown in fig. 7, the fixing screw 40 is provided with a wing portion 41 for the user to pull, and the fixing screw 40 is adjusted to be tightened on the ball 11 by rotating the wing portion 41; alternatively, as shown in fig. 8, the fixing screw 40 is provided with a holding member 42 for the user to hold, and the fixing screw 40 is tightened or loosened on the ball 11 by rotating the holding member 42.
The above is a description of the structure of each component of the present invention, and the manner of assembly and the effects that can be obtained by the present invention will be described below.
1. The ball-clamping sleeve 20 is sleeved on the ball 11, and the two fixing screws 40 are screwed so that the ball 11 is pushed into the ball groove 23 by the fixing screws 40 without falling off.
2. Specifically, after the ball 11 is assembled in the ball groove 23, the lower end of the ball 11 is pushed by the fixing screw 40 installed obliquely, so that the ball 11 is supported by the fixing screw 40; meanwhile, since the fixing screw 40 pushes the ball 11, the barrel 21 of the ball clamping sleeve 20 descends to allow the arc notch to be fastened to the fastening ear 13, so that the bicycle carrier can be stably fixed.
3. As shown in fig. 1 and fig. 2, it is worth mentioning that the outer diameter of the ball clamping sleeve 20 is larger than the diameter of the ball body 11 of the trailer ball 10, the outer edge of the arc notch 24 has an inwardly concave arc surface 241, when the barrel body 20 descends, the ball body 11 of the trailer ball can be covered by the ball groove 23, and in addition, the arc surface 241 provided by the arc notch 24 can be just buckled on the buckling lug 13 of the trailer ball 10 and increase the sealing performance; further, if the concave arc surface 241 is not provided, the close stability is not good, in which the arc notch 24 of the ball catching sleeve 20 is only partially engaged with the lug part 13, and thus, the use of the concave arc surface 241 enables the ball catching sleeve 20 to be lowered appropriately and the close adhesion to be improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fixed knot constructs suitable for trailer ball which characterized in that: the method comprises the following steps: a trailer ball and a ball clamping sleeve;
the trailer ball comprises a ball body and an L-shaped rod, the L-shaped rod is connected with the tail end of a vehicle, and a buckling part is arranged on the trailer ball at a preset position;
the ball clamping sleeve is used for being connected with a vehicle carrying frame and clamping and fixing the trailer ball through the ball clamping sleeve; the ball clamping sleeve comprises a cylindrical sleeve body, the center of the sleeve body is provided with a containing groove, a ball groove is formed at a preset position of the containing groove, the ball body passes through the containing groove and then is buckled into the ball groove, the bottom end of the ball clamping sleeve is provided with an arc-shaped notch corresponding to the buckling part, and the outer side of the ball clamping sleeve is provided with at least two fixing screws obliquely inserted into the ball groove from bottom to top;
the ball clamping sleeve is sleeved on the ball body, the ball body can be pushed to the ball groove by the fixing screws without falling off by the two fixing screws, the sleeve body of the ball clamping sleeve can descend by rotating the fixing screws, and the arc-shaped notch is buckled on the buckling lug part so that the portable frame can be stably fixed.
2. A fixing structure for a hitch ball as claimed in claim 1, wherein: the telescopic external diameter of this clamp ball is greater than the spheroidal diameter of this trailer ball, and the outer fringe of this arc breach has concave cambered surface inwards, can pass through the spheroid of this trailer ball of this ball groove cladding when this stack shell descends, and the cambered surface that this arc breach set up can the lock so that increase the leakproofness on the buckle part of this trailer ball.
3. A fixing structure for a hitch ball as claimed in claim 1, wherein: the fixing screw is provided with a butterfly wing part for being pulled by a finger of a user, and the fixing screw can generate tightness adjustment on the ball body by rotating the butterfly wing part.
4. A fixing structure for a hitch ball as claimed in claim 1, wherein: the fixing screw is provided with a holding piece for a user to hold, and the fixing screw can generate tightness adjustment on the ball body by rotating the holding piece.
5. A fixing structure for a hitch ball as claimed in claim 1, wherein: the ball clamping sleeve is combined with the carriage in a bolt and nut joint mode.
6. A fixing structure for a hitch ball as claimed in claim 1, wherein: the ball clamping sleeve is welded and fixed with the carrying frame and the ball clamping sleeve into an integrated structure in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123276168.XU CN216684291U (en) | 2021-12-24 | 2021-12-24 | Fixed knot constructs suitable for trailer ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123276168.XU CN216684291U (en) | 2021-12-24 | 2021-12-24 | Fixed knot constructs suitable for trailer ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216684291U true CN216684291U (en) | 2022-06-07 |
Family
ID=81842836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123276168.XU Active CN216684291U (en) | 2021-12-24 | 2021-12-24 | Fixed knot constructs suitable for trailer ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216684291U (en) |
-
2021
- 2021-12-24 CN CN202123276168.XU patent/CN216684291U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |