CN219564681U - Lock pin structure for trailer frame - Google Patents
Lock pin structure for trailer frame Download PDFInfo
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- CN219564681U CN219564681U CN202320508333.XU CN202320508333U CN219564681U CN 219564681 U CN219564681 U CN 219564681U CN 202320508333 U CN202320508333 U CN 202320508333U CN 219564681 U CN219564681 U CN 219564681U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model discloses a lock pin structure for a trailer frame, which comprises a frame connecting piece connected with the frame and an automobile fixing piece fixed with an automobile, wherein a first connecting column extends towards the direction of the automobile fixing piece, a second connecting column extends towards the direction of the frame connecting piece, and a bolt component is connected between the first connecting column and the second connecting column; the bolt assembly comprises a pin rod which penetrates through the first connecting column and the second connecting column simultaneously, the pin rod comprises a connecting section and an extending section which is bent and extended with the connecting section, and the extending section is connected with an elastic piece which forces the connecting section to penetrate through the first connecting column and/or the second connecting column. The utility model is convenient for the connection of the frame connecting piece and the automobile fixing piece.
Description
Technical Field
The utility model relates to the technical field of automobile articles, in particular to a lock pin structure for a trailer frame.
Background
With the rapid development of the economy in China and the great investment of China to highway construction, highway transportation has become a main transportation mode in China, and the transportation mode of carrying a trailer frame by an automobile is quite common.
At present, a trailer frame used for an automobile comprises a frame connecting piece and an automobile fixing piece, wherein the frame connecting piece is used for connecting a frame so as to fix an article to be transported, and the automobile fixing piece is fixed with the automobile. The bolt of trailer frame square mouth junction at present is through supplementary fixed, for example many on the market adopt screw connection, but needs the instrument, and complex operation is inconvenient enough.
Disclosure of Invention
The utility model aims to solve the defects of the technology and design the technology to improve the use effect and the practical performance.
The utility model relates to a lock pin structure for a trailer frame, which comprises a frame connecting piece for connecting the frame and an automobile fixing piece for fixing an automobile, wherein a first connecting column extends towards the direction of the automobile fixing piece, a second connecting column extends towards the direction of the frame connecting piece, and a bolt component is connected between the first connecting column and the second connecting column; the bolt assembly comprises a pin rod which penetrates through the first connecting column and the second connecting column simultaneously, the pin rod comprises a connecting section and an extending section which is bent and extended with the connecting section, the extending section is connected with an elastic piece, and the elastic piece has a trend of forcing the connecting section to penetrate through the first connecting column and/or the second connecting column.
Through adopting above-mentioned technical scheme, the automobile fixing piece is used for fixing on the car, and the frame connecting piece is used for connecting the frame simultaneously, and when the automobile fixing piece started the motion, it moves to drive the automobile connecting piece. The bolt component is used for connecting the first connecting column and the second connecting column, and further enables the frame connecting piece and the automobile fixing piece to be connected with each other. In addition, the pin rod in the pin assembly is used for fixing the first connecting column and the second connecting column, and the connecting section is forced to penetrate through the first connecting column and the second connecting column simultaneously through the elastic piece, so that the frame connecting piece and the automobile fixing piece are connected with each other; or the connecting section is forced to penetrate through the first connecting column through the elastic piece, the first connecting column and the second connecting column are separated from each other, and at the moment, the frame connecting piece and the automobile fixing piece are in a separated state.
Optionally, the latch assembly further includes a guide rod, one end of the guide rod is fixed on the frame connecting piece, the other end of the guide rod is fixed on the first connecting column, and the elastic piece is sleeved on the guide rod.
Through adopting above-mentioned technical scheme, establish the elastic component cover on the guide bar, can reduce the probability that the elastic component takes place the skew at flexible in-process, and then increase the connection stability of first spliced pole and second spliced pole.
Optionally, the frame connecting piece comprises a first connecting piece and a second connecting piece which are arranged at two sides of the first connecting column; a first connecting hole is formed in the first connecting piece, and a second connecting hole corresponding to the first connecting hole is formed in the first connecting column; one end of the guide rod penetrates through the first connecting hole, and the other end of the guide rod penetrates through the second connecting hole; the extension section is connected with the guide rod, one end of the elastic piece abuts against the first connecting piece, and the other end of the elastic piece is connected with the extension section.
Through adopting above-mentioned technical scheme, the guide bar is through wearing to establish at first connecting hole and second connecting hole for the guide bar slides between first connecting piece and first spliced pole. When the pin rod is in a locking state, the elastic piece forces the connecting section of the pin rod to penetrate through the first connecting column and the second connecting column, and a part of the guide rod, which is close to the first connecting column, stretches into the first connecting column to realize the connection of the first connecting column and the second connecting column; when the pin rod is in an unlocking state, a part of the guide rod, which is close to the first connecting piece, extends out of the first connecting piece, and the connecting section also extends out of the first connecting column, so that the first connecting column and the second connecting column are separated.
Optionally, the latch assembly further includes a cover body, a sliding hole for the extending section to pass through is formed in the cover body, and the aperture of the sliding hole extends towards the direction of the elastic piece to stretch and form.
Through adopting above-mentioned technical scheme, the setting of lid can reduce the probability that the elastic component dropped from the guide bar, in addition, the aperture orientation in the hole of sliding is offered with the flexible direction extension of elastic component, and then has controlled the flexible distance of linkage segment, reduces the elasticity change of elastic component and to the influence of first spliced pole and second spliced pole locking.
Optionally, two sides of the cover body are respectively provided with a yielding hole for the guide rod to slide and pass through.
Through adopting above-mentioned technical scheme, the setting of hole of stepping down can make the guide bar slide in the casing flexible, has increased the stability that the pin used.
Optionally, a first fixing hole is formed in the cover body, and a second fixing hole which corresponds to and is communicated with the first fixing hole is formed in the frame connecting piece.
Through adopting above-mentioned technical scheme, through the setting of first fixed orifices and second fixed orifices, generally be favorable to wearing to establish and fix such as bolt, screw, and then improve the stability that the lid was connected on the frame connecting piece.
Optionally, the latch assembly further includes a rotating rod, the extending section extends toward one end of the rotating rod and has a rotating block, and the rotating block is penetrated by the rotating rod so that the pin rod rotates with an axial lead of the rotating rod as a center of a circle.
By adopting the technical scheme, for another implementation mode, the pin rod is used for fixing the connection between the first connecting column and the second connecting column in a rotating mode, so that the frame connecting piece and the automobile fixing piece are connected with each other.
Optionally, the elastic element is sleeved on the rotating rod and forces the pin rod to rotate, and the connecting section is penetrated through the first connecting column and/or the second connecting column.
Through adopting above-mentioned technical scheme, the setting of elastic component makes the linkage segment have wear to establish first spliced pole and/or the trend of second spliced pole has improved the connection stability between first spliced pole and the second spliced pole, reduces the probability of frame connecting piece and car mounting mutual separation.
Optionally, the second connecting column is sleeved in the first connecting column, and the first connecting column and the second connecting column are all hollow.
Through adopting above-mentioned technical scheme, first spliced pole and second spliced pole can reduce the quality of first spliced pole and second spliced pole through the cavity setting and then be convenient for be used for dragging of the lockpin structure of frame of dragging to establish in first spliced pole through the second spliced pole cover, make things convenient for being connected between frame connecting piece and the car.
Optionally, the first connecting column and the second connecting column are square columns, and the edge of each square column is provided with an arc-shaped curved surface.
Through adopting above-mentioned technical scheme, the square column has certain rigidity, is difficult for taking place to crookedly drag the in-process to adopt the arc curved surface, and then reduce the risk of sharp end fish tail user of square column four sides.
The lock pin structure for the trailer frame has the following practical effects;
1. the locking pin structure for the trailer frame is provided with the locking pin assembly, the frame connecting piece and the automobile fixing piece are fixed through the locking pin in the locking pin assembly, and the connecting section is forced to penetrate through the first connecting column and the second connecting column simultaneously through the elastic piece, so that the frame connecting piece and the automobile fixing piece are connected with each other.
2. According to the utility model, the guide rod is arranged in the first connecting hole and the second connecting hole in a penetrating way, so that the guide rod slides between the first connecting piece and the first connecting column, and the elastic piece is sleeved on the guide rod, so that the stability of the elastic piece in locking the pin rod is improved.
3. According to the utility model, the cover body can reduce the falling probability of the elastic piece from the guide rod, the sliding hole on the cover body can control the telescopic distance of the connecting section, and the influence of elastic change of the elastic piece on the locking of the first connecting column and the second connecting column is reduced.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1;
FIG. 2 is a schematic view of a part of the structure of embodiment 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a cross-sectional view of example 1;
fig. 5 is a schematic structural view of a cover body of embodiment 1;
FIG. 6 is a schematic overall structure of embodiment 2;
FIG. 7 is a schematic view of a partial explosion of example 2;
fig. 8 is a cross-sectional view of example 2.
In the figure: 1. a frame connection; 11. a first connection post; 111. a second connection hole; 112. an arc-shaped curved surface; 12. a first connector; 121. a first connection hole; 13. a second connector; 14. a second fixing hole; 2. an automobile fixing member; 21. a second connection post; 3. a plug pin assembly; 31. a pin rod; 311. a connection section; 312. an extension section; 313. a rotating block; 32. an elastic member; 33. a guide rod; 34. a cover body; 341. a slip hole; 342. a relief hole; 343. a first fixing hole; 344. a turning hole; 345. waist holes; 35. and (5) rotating the rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Example 1:
as shown in fig. 1, the latch structure for a trailer frame described in this embodiment includes a frame connecting member 1 and an automobile fixing member 2, and in general, the frame connecting member 1 may be used for connecting a frame of a trailer or suspending a frame of a tool such as a bicycle; the vehicle mount 2 is intended to be attached to the rear side of a vehicle. The frame connector 1 extends in the direction of the vehicle mount 2 to form a first connection column 11, the vehicle mount 2 extends in the direction of the frame connector 1 to form a second connection column 21, and the plug pin assembly 3 is connected between the first connection column 11 and the second connection column 21. The pin 31 in the latch assembly 3 is used to fix the first connecting post 11 and the second connecting post 21, thereby realizing the interconnection of the frame connecting member 1 and the vehicle fixing member 2.
Referring to fig. 2 and 3, the latch assembly 3 includes a pin rod 31 passing through both the first and second connection posts 11 and 21 and a guide rod 33 welded to the pin rod 31. Specifically, the pin 31 includes a connection section 311 and an extension section 312 bent and extended from the connection section 311, where the connection section 311 is penetrated by the first connection post 11 and the second connection post 21 at the same time, and one side of the extension section 312 away from the connection section 311 is connected with the elastic member 32.
Specifically, the frame connecting member 1 includes a first connecting member 12 and a second connecting member 13 disposed on two sides of the first connecting post 11, and in the embodiment of the present utility model, the first connecting member 12 and the second connecting member 13 are two metal sheets welded or integrally formed on two sides of the frame connecting member 1. And the first connecting piece 12 is provided with a first connecting hole 121, and the first connecting column 11 is provided with a second connecting hole 111 corresponding to the first connecting hole 121. Meanwhile, one end of the guide rod 33 is penetrated through the first connection hole 121, and the other end of the guide rod 33 is penetrated through the second connection hole 111. The guide rod 33 slides between the first connection member 12 and the first connection post 11 by penetrating the first connection hole 121 and the second connection hole 111. The guide rod 33 is sleeved with an elastic member 32, one end of the elastic member 32 abuts against the first connecting member 12 on the circumferential side of the first connecting hole 121, and the other end of the elastic member 32 is welded to one end of the extension section 312 away from the connecting section 311. In the embodiment of the present utility model, the elastic member 32 is a compression spring, and is sleeved on the guide rod 33, where the compression spring has a tendency to penetrate the pin rod 31 through the first connection post 11 and/or the second connection post 21.
Referring to fig. 4, when the pin 31 is in the locked state, the elastic member 32 forces the connection section 311 of the pin 31 to penetrate through the first connection post 11 and the second connection post 21, and a portion of the guide rod 33, which is close to the first connection post 11, extends into the first connection post 11 to connect the first connection post 11 and the second connection post 21; when the pin 31 is in the unlocked state, a portion of the guide lever 33 adjacent to the first connecting piece 12 protrudes out of the first connecting piece 12, and the connecting section 311 also protrudes out of the column of the first connecting column 11, effecting separation of the first connecting column 11 and the second connecting column 21.
In another embodiment, two ends of the guide rod 33 are respectively fixed at the first connecting hole 121 and the second connecting hole 111, one end of the elastic member 32 abuts against the first connecting member 12 at the circumference side of the first connecting hole 121, and the other end of the elastic member 32 is welded to one end of the extension section 312 away from the connecting section 311. When the pin rod 31 is in a locking state, the elastic piece 32 pushes the pin rod 31, so that the connecting section 311 penetrates through the first connecting column 11 and the second connecting column 21, and further the locking of the first connecting column 11 and the second connecting column 21 is realized; when the pin 31 is in the unlocked state, the connection section 311 is removed from the first and second connection posts 11 and 21, thereby separating the first and second connection posts 11 and 21.
Referring to fig. 5, the latch assembly 3 further includes a cover 34, wherein a sliding hole 341 through which the extension section 312 passes is formed in the cover 34, and the aperture of the sliding hole 341 extends toward the direction of stretching the elastic member 32, so as to control the stretching distance of the connection section 311, and reduce the influence of the elastic change of the elastic member 32 on the locking of the first connection column 11 and the second connection column 21. In addition, two sides of the cover 34 are respectively provided with a yielding hole 342 for the sliding and penetrating of the guide rod 33, so that the guide rod 33 slides and stretches in the shell. In addition, the cover 34 is provided with a first fixing hole 343, and the frame connecting member 1 is provided with a second fixing hole 14 which corresponds to and is communicated with the first fixing hole 343, so that the stability of the connection of the cover 34 on the frame connecting member 1 is improved. In general, the first fixing holes 343 and the second fixing holes 14 are fixed by bolts or screws, thereby improving the stability of the installation of the cover 34.
Referring to fig. 1, the first connecting column 11 and the second connecting column 21 are square columns, and the second connecting column 21 is sleeved on the first connecting column 11. And first spliced pole 11 and second spliced pole 21 all cavity setting not only can reduce the quality of first spliced pole 11 and second spliced pole 21 and then be convenient for be used for the pulling of the lockpin structure of pulling the frame to establish in first spliced pole 11 through second spliced pole 21 cover, make things convenient for the connection between frame connector 1 and the car mounting 2. In addition, the edge of square post is provided with arc curved surface 112, is difficult for drawing the in-process to take place crookedly, and adopts arc curved surface 112, reduces the risk of sharp end fish tail user in square post four sides.
The latch structure for a trailer frame described in this embodiment is implemented by first unlocking the latch 31 when the frame connecting member 1 and the automobile fixing member 2 need to be connected, removing the connecting section 311 from the first connecting column 11, and sleeving the second connecting column 21 on the first connecting column 11; secondly, the pin rod 31 is locked, the elastic piece 32 pushes the pin rod 31, the connecting section 311 on the pin rod 31 is penetrated through the first connecting column 11 and the second connecting column 21, and then the locking of the first connecting column 11 and the second connecting column 21 is realized; finally, when the frame connector 1 is to be separated from the vehicle mount 2, the pin 31 is unlocked, and the connecting section 311 is removed from the first connecting post 11, so that the second connecting post 21 is separated from the first connecting post 11.
Example 2:
referring to fig. 6, embodiment 2 of the present utility model is different from embodiment 1 in that the pin 31 is formed by inserting the connection section 311 into the first connection post 11 and the second connection post 21 in a rotating manner so as to connect the first connection post 11 and the second connection post 21 to each other.
Specifically, referring to fig. 7 and 8, in the present embodiment, the latch assembly 3 further includes a rotating rod 35, and the extending section 312 of the pin rod 31 extends toward one end of the rotating rod 35 to form a rotating block 313, and the rotating rod 35 penetrates through the rotating block 313 to rotate the pin rod 31 around the axis of the rotating rod 35. In addition, in the present embodiment, the elastic member 32 is a torsion spring, and the elastic member 32 is sleeved on the rotating rod 35 and forces the pin 31 to rotate, so that the connecting section 311 passes through the first connecting post 11 and/or the second connecting post 21, thereby improving the connection stability between the first connecting post 11 and the second connecting post 21, and reducing the probability of the frame connecting member 1 and the vehicle fixing member 2 being separated from each other.
Similarly, a cover 34 is mounted on the outer side of the pin 31. The cover 34 is provided with a first fixing hole 343, which is identical to that of embodiment 1. The frame connector 1 is provided with a second fixing hole 14 corresponding to and communicating with the first fixing hole 343, and in the same manner, the first fixing hole 343 and the second fixing hole 14 are fixed by bolts and screws in a general case, so that the stability of mounting the cover 34 is improved. In addition, two rotating holes 344 are formed in the cover 34 for the two ends of the rotating rod 35 to pass through, so that the rotating rod 35 is supported by rotation. A waist hole 345 is formed on one side of the cover 34, which faces the connecting section 311 of the pin 31, wherein the waist hole 345 provides space for the rotation of the pin 31, and the waist hole 345 limits the swing amplitude of the pin 31, so that the condition that the rotation amplitude of the pin 31 is too large or too small is reduced.
The latch structure for a trailer frame described in this embodiment is implemented by first, when the frame connecting member 1 and the automobile fixing member 2 need to be connected, the latch rod 31 needs to be unlocked, the connecting section 311 is rotated and removed from the first connecting column 11, and then the second connecting column 21 is sleeved on the first connecting column 11; secondly, the pin 31 is locked, the elastic piece 32 has resilience, the pin 31 rotates around the rotating rod 35 as a circle center, so that the connecting section 311 penetrates through the first connecting column 11 and the second connecting column 21, and further the locking of the first connecting column 11 and the second connecting column 21 is realized; finally, when the frame connector 1 is to be separated from the vehicle mount 2, the pin 31 is unlocked, and the connecting section 311 is removed from the first connecting post 11, so that the second connecting post 21 is separated from the first connecting post 11.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (10)
1. A latch structure for a trailer frame, characterized by: the automobile frame comprises a frame connecting piece (1) connected with a frame and an automobile fixing piece (2) fixed with an automobile, wherein a first connecting column (11) extends towards the direction of the automobile fixing piece (2), a second connecting column (21) extends towards the direction of the frame connecting piece (1) of the automobile fixing piece (2), and a bolt component (3) is connected between the first connecting column (11) and the second connecting column (21);
the bolt assembly (3) comprises a pin rod (31) which is simultaneously penetrated through the first connecting column (11) and the second connecting column (21), the pin rod (31) comprises a connecting section (311) and an extending section (312) which is bent and extended with the connecting section (311), the extending section (312) is connected with an elastic piece (32), and the elastic piece (32) has a trend of forcing the connecting section (311) to penetrate through the first connecting column (11) and/or the second connecting column (21).
2. The latch structure for a trailer frame as in claim 1, wherein: the bolt assembly (3) further comprises a guide rod (33), one end of the guide rod (33) is fixed to the frame connecting piece (1), the other end of the guide rod (33) is fixed to the first connecting column (11), and the elastic piece (32) is sleeved on the guide rod (33).
3. A latch structure for a trailer frame as in claim 2, wherein: the frame connecting piece (1) comprises a first connecting piece (12) and a second connecting piece (13) which are arranged on two sides of the first connecting column (11);
a first connecting hole (121) is formed in the first connecting piece (12), and a second connecting hole (111) corresponding to the first connecting hole (121) is formed in the first connecting column (11); one end of the guide rod (33) is penetrated through the first connecting hole (121), and the other end of the guide rod (33) is penetrated through the second connecting hole (111); the extending section (312) is connected with the guide rod (33), one end of the elastic piece (32) is propped against the first connecting piece (12), and the other end of the elastic piece (32) is connected with the extending section (312).
4. A latch structure for a trailer frame as in claim 2, wherein: the plug pin assembly (3) further comprises a cover body (34), a sliding hole (341) for the extending section (312) to penetrate through is formed in the cover body (34), and the aperture of the sliding hole (341) extends towards the extending direction of the elastic piece (32).
5. The latch mechanism for a trailer frame as in claim 4, wherein: and yielding holes (342) for the guide rods (33) to slide and pass through are respectively arranged on two sides of the cover body (34).
6. The latch mechanism for a trailer frame as in claim 4, wherein: the cover body (34) is provided with a first fixing hole (343), and the frame connecting piece (1) is provided with a second fixing hole (14) which corresponds to and is communicated with the first fixing hole (343).
7. The latch structure for a trailer frame as in claim 1, wherein: the bolt assembly (3) further comprises a rotating rod (35), the extending section (312) extends towards one end of the rotating rod (35) to form a rotating block (313), and the rotating rod (35) penetrates through the rotating block (313) to enable the pin rod (31) to rotate by taking the axial lead of the rotating rod (35) as the center of a circle.
8. The latch structure for a trailer frame as in claim 7, wherein: the elastic piece (32) is sleeved on the rotating rod (35) and forces the pin rod (31) to rotate, and the connecting section (311) penetrates through the first connecting column (11) and/or the second connecting column (21).
9. The latch structure for a trailer frame as in claim 1, wherein: the second connecting column (21) is sleeved in the first connecting column (11), and the first connecting column (11) and the second connecting column (21) are all arranged in a hollow mode.
10. The latch structure for a trailer frame as in claim 1, wherein: the first connecting column (11) and the second connecting column (21) are square columns, and the edges of the square columns are provided with arc-shaped curved surfaces (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320508333.XU CN219564681U (en) | 2023-03-09 | 2023-03-09 | Lock pin structure for trailer frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320508333.XU CN219564681U (en) | 2023-03-09 | 2023-03-09 | Lock pin structure for trailer frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219564681U true CN219564681U (en) | 2023-08-22 |
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ID=87655512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320508333.XU Active CN219564681U (en) | 2023-03-09 | 2023-03-09 | Lock pin structure for trailer frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219564681U (en) |
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2023
- 2023-03-09 CN CN202320508333.XU patent/CN219564681U/en active Active
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