CN211685362U - Linkage locking device for high breast board trailer - Google Patents
Linkage locking device for high breast board trailer Download PDFInfo
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- CN211685362U CN211685362U CN202020258793.8U CN202020258793U CN211685362U CN 211685362 U CN211685362 U CN 211685362U CN 202020258793 U CN202020258793 U CN 202020258793U CN 211685362 U CN211685362 U CN 211685362U
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- breast board
- rotating rod
- rod
- locking
- locking device
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- 210000000481 breast Anatomy 0.000 title claims abstract description 69
- 230000008901 benefit Effects 0.000 abstract description 3
- 244000309464 bull Species 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high breast board trailer linkage locking device belongs to trailer locking device technical field. The linkage locking device comprises a first locking mechanism for locking the first upper breast board and a second locking mechanism for locking the second lower breast board. The first locking device comprises a first rotating rod and a second rotating rod which are arranged on the first breast board, a first gear and a second gear are arranged in the middle of the first rotating rod and the second rotating rod, a rack which is meshed with the first gear and the second gear is arranged on a cross rod of the first breast board, and the rack is connected with the cross rod in a sliding mode. The two ends of the first rotating rod and the two ends of the second rotating rod are provided with buckles, and the top beam and the cross beam are provided with clamping seats matched with the buckles. The lower part of the first rotating rod is hinged with a handle, and the handle is connected with the vertical rod through a locking screw. The utility model adopts the above structure high breast board trailer linkage locking device can solve the difficult switch of current locking device, the problem that wastes time and energy, has simple structure, convenient operation's advantage.
Description
Technical Field
The utility model belongs to the technical field of trailer locking device technique and specifically relates to a high breast board trailer linkage locking device is related to.
Background
The trailer is a vehicle which is towed by an automobile and does not have a power driving device, the trailer is an important vehicle for road transportation, and the transportation by adopting the trailer is the simplest and most effective important means for improving economic benefits. The top of trailer body need set up the breast board, prevents that the goods of transportation in the trailer from dropping. The setting of breast board requires that the breast board can dismantle, makes things convenient for the transport of goods. For a high breast board trailer, the height of the breast board is higher, the high breast board trailer is divided into a breast board on the lower part and a breast board on the upper part frequently, and in the driving process, the breast board trailer needs to be locked by a locking device, and the locking device is higher in position and inconvenient to open and close the breast board due to the fact that the height of the high breast board trailer is higher. In addition, in order to ensure that the fence is firmly closed, a plurality of locking units are required to be arranged on the same fence, and the plurality of locking units work independently, so that the locking device is time-consuming and labor-consuming to open and close.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high breast board trailer linkage locking device solves current locking device difficult switch, the problem that wastes time and energy.
In order to achieve the purpose, the utility model provides a linkage locking device for a high railing panel trailer, which comprises a first locking mechanism for locking a first upper railing panel and a second locking mechanism for locking a second lower railing panel, wherein one side of the first railing panel is rotationally connected with a longitudinal beam, and the lower end of the second railing panel is rotationally connected with a vehicle body;
the first locking device comprises a first rotating rod and a second rotating rod which are arranged on the first breast board, the first rotating rod and the second rotating rod are rotatably connected with the first breast board, a first gear and a second gear are arranged in the middle of the first rotating rod and the second rotating rod, a rack which is meshed with the first gear and the second gear is arranged on a cross rod of the first breast board, and the rack is connected with the cross rod in a sliding manner; two ends of the first rotating rod and the second rotating rod are respectively provided with a buckle, and the top beam and the cross beam are provided with clamping seats matched with the buckles; the lower portion of the first rotating rod is hinged to a handle, one end of the handle is provided with a through hole through which a locking screw penetrates, a threaded hole corresponding to the through hole in the handle is formed in a vertical rod of the first breast board, and the handle is connected with the vertical rod through the locking screw.
Preferably, a limiting block and a clamping block are arranged on the side face of the clamping seat, the buckle of the I-shaped structure is located between the limiting block and the clamping block, and the distance between the limiting block and the clamping block is larger than the thickness of the buckle.
Preferably, the first sliding groove is formed in the cross rod, a sliding block with a fixed rack is arranged in the first sliding groove, and a roller is rotationally arranged in a groove in the bottom surface of the sliding block.
Preferably, the first sliding groove is a dovetail groove, and the sliding block is of a dovetail structure.
Preferably, the second locking mechanism comprises a clamping plate arranged at the upper part of the second breast board, an L-shaped hook positioned in a groove arranged at one end of the clamping plate is arranged on the longitudinal beam, and a locking unit for locking the clamping plate and the hook is arranged below the hook; the locking unit comprises a supporting seat and a lantern ring, the lower end of the supporting seat is hinged with the middle part of the force application rod, and the upper end of the force application rod is hinged with a fixed plate fixed on the longitudinal beam; the lantern ring is located the top of supporting seat, and the bottom of the lantern ring is connected with the slide through the connecting rod, and the top of supporting seat is provided with the through-hole that makes the connecting rod pass, and the slide is located the inside of supporting seat, and one section outside cover that the connecting rod is located the inside of supporting seat is equipped with the spring, the both ends of spring respectively with supporting seat top internal surface and slide fixed connection.
Preferably, the side wall of the supporting seat is provided with a second sliding groove for allowing two ends of the sliding plate to penetrate through.
Preferably, the bottom of the force application rod is provided with an anti-slip layer.
A high breast board trailer linkage locking device, be provided with respectively on bull stick one, the bull stick two of locking mechanism one with rack toothing's gear one, gear two, bull stick one and bull stick two keep the synchronous motion of the two together through gear and rack connection, operate one of them bull stick, just can realize the linkage work of two bull sticks, make things convenient for opening and closing of locking mechanism one. The handle of the first locking mechanism is arranged on the lower portion of the first rotating rod, so that the height of the handle is reduced, and the first locking mechanism can be conveniently operated by a worker.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a linkage locking device for a high breast board trailer according to the present invention;
fig. 2 is a schematic structural view of a locking mechanism of an embodiment of the linkage locking device for the high breast board trailer of the present invention;
fig. 3 is a schematic view of a connection structure of a buckle and a cassette of an embodiment of a linkage locking device for a high balustrade trailer according to the present invention;
fig. 4 is a schematic view of a rack mounting structure of an embodiment of the linkage locking device for the high breast board trailer of the present invention;
fig. 5 is a structural schematic view of a locking mechanism II of an embodiment of the linkage locking device of the high breast board trailer of the present invention;
fig. 6 is an enlarged view of a portion a of fig. 5.
Reference numerals
1. A vehicle body; 2. a stringer; 3. a cross beam; 4. a top beam; 5. a first breast board; 6. a second breast board; 7. a first locking mechanism; 8. a second locking mechanism; 9. a vertical rod; 10. a cross bar; 11. a first sliding chute; 12. a rack; 13. a first rotating rod; 14. a second rotating rod; 15. a first gear; 16. a second gear; 17. a bearing; 18. buckling; 19. a card holder; 20. a handle; 21. locking the screw; 22. a slider; 23. a roller; 24. clamping a plate; 25. hooking; 26. a collar; 27. a connecting rod; 28. a supporting seat; 29. a spring; 30. a second chute; 31. a slide plate; 32. a fixing plate; 33. a force application rod; 34. a limiting block; 35. and (7) clamping blocks.
Detailed Description
Examples
Fig. 1 is the utility model relates to a structural schematic diagram of high breast board trailer linkage locking device embodiment. As shown in the figure, the linkage locking device of the high breast board trailer comprises a first locking mechanism 7 used for locking a first upper breast board 5 and a second locking mechanism 8 used for locking a second lower breast board 6. The first railing panel 5 is in a grid structure, and the second railing panel 6 is in a flat plate structure. One side of the first railing panel 5 is rotatably connected with the longitudinal beam 2 through a hinge, and the lower end of the second railing panel 6 is also rotatably connected with the vehicle body 1 through a hinge.
Fig. 2 is the utility model relates to a locking mechanism structure schematic diagram of high breast board trailer linkage locking device embodiment, fig. 3 is the utility model relates to a buckle and cassette connection structure schematic diagram of high breast board trailer linkage locking device embodiment, fig. 4 is the utility model relates to a rack mounting structure schematic diagram of high breast board trailer linkage locking device embodiment. As shown in the figure, the first locking device comprises a first rotating rod 13 and a second rotating rod 14 which are arranged on the first breast board 5, and the first rotating rod 13 and the second rotating rod 14 are rotatably connected with the vertical rod 9 of the first breast board 5 through a bearing 17. The middle parts of the first rotating rod 13 and the second rotating rod 14 are fixedly provided with a first gear 15 and a second gear 16, and the cross rod 10 of the first breast board 5 is provided with a rack 12 meshed with the first gear 15 and the second gear 16. The rack 12 is connected with the cross bar 10 in a sliding manner, the rack 12 is fixed on the sliding block 22, and the sliding block 22 is positioned in the first sliding groove 11 arranged on the cross bar 10. The top surface of the sliding block 22 is provided with a rack 12, a roller 23 is rotatably arranged in a groove on the bottom surface of the sliding block 22, the roller 23 is in contact with the surface of the first sliding groove 11, and the sliding block 22 slides in the first sliding groove 11 through the roller 23, so that the sliding block 22 can move more easily. The first sliding groove 11 is a dovetail groove, and the sliding block 22 is of a dovetail structure, so that the sliding block 22 is prevented from falling off from the first sliding groove 11.
The two ends of the first rotating rod 13 and the second rotating rod 14 are both fixedly provided with buckles 18, and the top beam 4 and the cross beam 3 are fixedly provided with clamping seats 19 matched with the buckles 18. A limit block 34 and a clamping block 35 are arranged on the side surface of the clamping seat 19, the buckle 18 of the I-shaped structure is located between the limit block 34 and the clamping block 35, and the distance between the limit block 34 and the clamping block 35 is larger than the thickness of the buckle 18, so that the buckle 18 can slide out from the limit block 34 and the clamping block 35 after rotating. When the buckle 18 is locked with the clamping seat 19, the limiting block 34 is located at one opening of the buckle 18, the fixture block 35 is located at the other opening of the limiting block 34, and the fixture block 35 is pressed on the buckle 18 to realize clamping of the buckle 18 and the clamping seat 19. The lower part of the first rotating rod 13 is hinged through a hinge or is rotatably connected with a handle 20 through a pin shaft, the hinge is of an existing structure, and the existing type is selected according to needs. One end of the handle 20 is provided with a through hole for the locking screw 21 to pass through, the vertical rod 9 of the first sideboard 5 is provided with a threaded hole corresponding to the through hole on the handle 20, and the handle 20 is connected with the vertical rod 9 through the locking screw 21. When locking breast board 5, it rotates to drive bull stick 13 through handle 20, thereby it slides in spout 11 to drive rack 12 with rack 12 meshing to drive gear 15 on the bull stick 13, rack 12 meshes with two 16 meshing of the gear on the bull stick 14, make bull stick two 14 rotate with bull stick one 13 is synchronous, 18 rotations of the buckle that bull stick one 13 and bull stick two 14 both ends set up rotate, with 19 joints of cassette together, lock through locking screw 21 between handle 20 and the montant 9 at last, prevent that handle 20 from rocking at the vehicle in-process of traveling, improve the fastness of 5 locking of breast board. When the first breast board 5 is opened, firstly the locking screw 21 is loosened, the handle 20 is rotated, the handle 20 drives the first rotating rod 13 and the second rotating rod 14 to synchronously rotate, and the buckle 18 rotates to slide out of the clamping seat 19, so that the first breast board 5 is opened.
Fig. 5 is a schematic structural diagram of a locking mechanism of an embodiment of the linkage locking device for the high breast board trailer of the present invention, and fig. 6 is a partially enlarged view of a portion a in fig. 5. As shown in the figure, the second locking mechanism 8 comprises a clamping plate 24 arranged on the upper portion of the second breast board 6, one end of the clamping plate 24 is welded and fixed on the first breast board 5, and the other end of the clamping plate 24 is provided with a U-shaped groove with an upward opening. An L-shaped hook 25 positioned in the groove is arranged on the longitudinal beam 2, and a locking unit for locking the clamping plate 24 and the hook 25 is arranged below the hook 25. The locking unit comprises a support seat 28 and a collar 26, wherein the lower end of the support seat 28 is hinged or pin-jointed with the middle part of the force application rod 33, so that the support seat 28 rotates around the force application rod 33 in a vertical plane. The upper end of the force application rod 33 is hinged with a fixing plate 32 fixed on the longitudinal beam 2, the fixing plate 32 is welded or fixed on the longitudinal beam 2 through a screw, and the force application rod 33 is hinged with the fixing plate 32 through a hinge or is in pin rotating connection, so that the force application rod 33 rotates in a vertical plane. The bottom of the force application rod 33 is provided with a rubber anti-slip layer, so that the force application rod is convenient for workers to hold.
A collar 26 is positioned above the support base 28, the collar 26 being adapted to bear on the hook 25 to apply pressure to the catch plate 24. The bottom end of the collar 26 is connected with a sliding plate 31 through a connecting rod 27, the top of the supporting seat 28 is provided with a through hole for the connecting rod 27 to pass through, and the sliding plate 31 is positioned inside the supporting seat 28. The side wall of the supporting seat 28 is provided with a second elongated sliding slot 30 through which two ends of the sliding plate 31 pass, and the sliding plate 31 slides in the second sliding slot 30. The connecting rod 27 is sleeved with a spring 29 at a section inside the supporting seat 28, and two ends of the spring 29 are respectively fixedly connected with the inner surface of the top of the supporting seat 28 and the sliding plate 31.
When the second breast board 6 is locked, the second breast board 6 is tightly closed, the force application rod 33 is held by hand to lift upwards, the supporting seat 28 drives the lantern ring 26 to move upwards along with the force application rod 33, the supporting seat 28 is rotated to enable the lantern ring 26 to be sleeved on the hook 25, the lantern ring 26 presses the clamping plate 24, then the force application rod 33 rotates downwards, the supporting seat 28 moves downwards, the spring 29 is compressed by the top of the supporting seat 28, downward elastic force is applied to the sliding plate 31 by the top of the spring 29, the lantern ring 26 is pressed downwards on the hook 25, and the lantern ring 26 is prevented from loosening from the hook 25. When the second sideboard 6 is opened, the force applying rod 33 is lifted upwards, the support seat 28 releases the pressure on the spring 29, the lantern ring 26 releases the pressure on the hook 25, the lantern ring 26 is taken down from the hook 25, and the opening of the second sideboard 6 is completed. The second locking mechanism 8 is simple in structure, convenient to operate and firm in locking.
Therefore, the utility model adopts the above structure high breast board trailer linkage locking device can solve the difficult switch of current locking device, the problem that wastes time and energy, has simple structure, convenient operation's advantage.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a high breast board trailer linkage locking device which characterized in that: the device comprises a first locking mechanism for locking a first upper breast board and a second locking mechanism for locking a second lower breast board, wherein one side of the first breast board is rotatably connected with a longitudinal beam, and the lower end of the second breast board is rotatably connected with a vehicle body;
the first locking device comprises a first rotating rod and a second rotating rod which are arranged on the first breast board, the first rotating rod and the second rotating rod are rotatably connected with the first breast board, a first gear and a second gear are arranged in the middle of the first rotating rod and the second rotating rod, a rack which is meshed with the first gear and the second gear is arranged on a cross rod of the first breast board, and the rack is connected with the cross rod in a sliding manner; two ends of the first rotating rod and the second rotating rod are respectively provided with a buckle, and the top beam and the cross beam are provided with clamping seats matched with the buckles; the lower portion of the first rotating rod is hinged to a handle, one end of the handle is provided with a through hole through which a locking screw penetrates, a threaded hole corresponding to the through hole in the handle is formed in a vertical rod of the first breast board, and the handle is connected with the vertical rod through the locking screw.
2. The linkage locking device of a high breast board trailer according to claim 1, wherein: the side of the clamping seat is provided with a limiting block and a clamping block, the buckle of the I-shaped structure is located between the limiting block and the clamping block, and the distance between the limiting block and the clamping block is larger than the thickness of the buckle.
3. The linkage locking device of a high breast board trailer according to claim 1, wherein: the first sliding groove is formed in the cross rod, a sliding block with a fixed rack is arranged in the first sliding groove, and a roller is rotationally arranged in a groove in the bottom surface of the sliding block.
4. A high breast board trailer interlocking device as claimed in claim 3 wherein: the first sliding groove is a dovetail groove, and the sliding block is of a dovetail tenon structure.
5. The linkage locking device of a high breast board trailer according to claim 1, wherein: the second locking mechanism comprises a clamping plate arranged at the upper part of the second breast plate, an L-shaped hook positioned in a groove arranged at one end of the clamping plate is arranged on the longitudinal beam, and a locking unit for locking the clamping plate and the hook is arranged below the hook; the locking unit comprises a supporting seat and a lantern ring, the lower end of the supporting seat is hinged with the middle part of the force application rod, and the upper end of the force application rod is hinged with a fixed plate fixed on the longitudinal beam; the lantern ring is located the top of supporting seat, and the bottom of the lantern ring is connected with the slide through the connecting rod, and the top of supporting seat is provided with the through-hole that makes the connecting rod pass, and the slide is located the inside of supporting seat, and one section outside cover that the connecting rod is located the inside of supporting seat is equipped with the spring, the both ends of spring respectively with supporting seat top internal surface and slide fixed connection.
6. A high breast board trailer linkage locking device of claim 5 wherein: and a second sliding groove for allowing two ends of the sliding plate to penetrate is formed in the side wall of the supporting seat.
7. A high breast board trailer linkage locking device of claim 5 wherein: and an anti-slip layer is arranged at the bottom of the force application rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258793.8U CN211685362U (en) | 2020-03-05 | 2020-03-05 | Linkage locking device for high breast board trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258793.8U CN211685362U (en) | 2020-03-05 | 2020-03-05 | Linkage locking device for high breast board trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211685362U true CN211685362U (en) | 2020-10-16 |
Family
ID=72778081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258793.8U Expired - Fee Related CN211685362U (en) | 2020-03-05 | 2020-03-05 | Linkage locking device for high breast board trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211685362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117002634A (en) * | 2023-09-27 | 2023-11-07 | 江西江铃专用车辆厂有限公司 | Cargo box locking mechanism for freight vehicle |
-
2020
- 2020-03-05 CN CN202020258793.8U patent/CN211685362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117002634A (en) * | 2023-09-27 | 2023-11-07 | 江西江铃专用车辆厂有限公司 | Cargo box locking mechanism for freight vehicle |
| CN117002634B (en) * | 2023-09-27 | 2024-01-09 | 江西江铃专用车辆厂有限公司 | Cargo box locking mechanism for freight vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |