CN108952374B - Trailer latch structure - Google Patents
Trailer latch structure Download PDFInfo
- Publication number
- CN108952374B CN108952374B CN201810929454.5A CN201810929454A CN108952374B CN 108952374 B CN108952374 B CN 108952374B CN 201810929454 A CN201810929454 A CN 201810929454A CN 108952374 B CN108952374 B CN 108952374B
- Authority
- CN
- China
- Prior art keywords
- clasp
- damping sleeve
- hook
- vibration
- hasp
- 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.)
- Active
Links
- 238000013016 damping Methods 0.000 claims abstract description 50
- 239000013013 elastic material Substances 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims abstract 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/02—Locks for railway freight-cars, freight containers or the like; Locks for the cargo compartments of commercial lorries, trucks or vans
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/42—Means for damping the movement of lock parts, e.g. slowing down the return movement of a handle
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
Landscapes
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Buckles (AREA)
Abstract
The invention discloses a trailer locking structure with good reliability and safety, wherein a connecting part (1-1) of a hook (1) is welded with a box cover (3) or a baffle (4), a locking part (2-1) of a locking buckle (2) is connected with a corresponding box cover (3) or baffle (4), and the hook part (1-2) is buckled with a buckle end (2-20), and the trailer locking structure is characterized in that: the anti-vibration hook further comprises a vibration-damping sleeve (9) which is made of elastic materials and has an outer diameter smaller than the inner diameter of the hook part (1-2) of the hook 1 and a pore diameter smaller than the outer diameter of the clasp end (2-20) of the clasp (2), the vibration-damping sleeve (9) is sleeved on the clasp end (2-20) of the clasp part (2-1) of the clasp (2), and the hook part (1-2) is buckled with the clasp end (2-20) through the vibration-damping sleeve (9).
Description
Technical Field
The invention relates to a trailer structure, in particular to a trailer locking structure.
Background
At present, places needing to be opened and closed such as a box cover and a baffle plate on a common trailer in the market are generally connected by adopting a lock catch. Referring to fig. 1 and 2, a conventional trailer latch structure includes a hook 1 and a latch 2, wherein the hook 1 includes a connection portion 1-1 and a hook portion 1-2 connected to one end of the connection portion 1-1, and the latch 2 includes a latch portion 2-1 and a latch 2-2 having one end rotatably and horizontally movably connected to the latch portion 2-1, and a latch end 2-20 corresponding to the hook portion 1-2; wherein, the connecting part 1-1 of the hook 1 is welded with the case cover 3 or the baffle 4, the hasp part 2-1 of the hasp 2 is welded with the corresponding case cover 3 or baffle 4, and the hook part 1-2 is buckled with the buckle end 2-20. The problem with this common trailer hitch construction is; the buckling of the hook part 1-2 and the buckling ring end 2-20 belongs to direct buckling, when the trailer generates vibration and external force in advancing movement, the hook part 1-2 and the buckling ring end 2-20 are buckled to form rigid connection, and the welding seams 6 and 7 at the welding connection part of the connecting part 1-1 of the hook 1 and the buckling buckle 2 and the box cover 3 or the baffle plate 4 are easily loosened, so that the box cover, the baffle plate and other places needing to be connected and closed cannot be closed, further the trailer cannot work normally, even safety accidents occur, and the reliability and the safety are poor.
Disclosure of Invention
The invention aims to provide a trailer locking structure with good reliability and safety.
In order to solve the technical problems, the trailer lock catch structure comprises a hook and a hasp, wherein the hook comprises a connecting part and a hook part connected with one end of the connecting part, and the hasp comprises a hasp part, a clasp with one end rotatably and horizontally movably connected with the hasp part, and a clasp end corresponding to the hook part; wherein, the connecting portion and the case lid or the baffle welded connection of couple, the hasp portion and the case lid or the baffle welded connection that correspond of hasp, couple portion and buckle end lock, its characterized in that: the shock absorbing device is characterized by further comprising a shock absorbing sleeve which is made of elastic materials, the outer diameter of the shock absorbing sleeve is smaller than the inner diameter of a hook part of the hook, the aperture of the shock absorbing sleeve is smaller than the outer diameter of a buckle end of the buckle, the shock absorbing sleeve is sleeved on the buckle end of the buckle part of the buckle, and the hook part is buckled with the buckle end through the shock absorbing sleeve.
Preferably, the aperture of the inner hole of the vibration reduction sleeve is smaller than the diameter of the outer circle of the buckle end of the buckle by 0.05-0.10mm.
Preferably, the aperture of the inner hole of the vibration damping sleeve is smaller than the diameter of the outer circle of the buckle end of the buckle by 0.07mm.
Preferably, the wall thickness of the damping sleeve is 1.5-2.0mm.
Preferably, the wall thickness of the damping sleeve is 1.7mm.
Preferably, the outer diameter of the vibration damping sleeve is smaller than the inner diameter of the hook part of the hook by 0.05-0.10mm.
Preferably, the outer diameter of the vibration damping sleeve is smaller than the inner diameter of the hook part of the hook by 0.07mm.
Preferably, the damping sleeve is made of elastic rubber or elastic plastic.
The invention has the following beneficial effects;
the invention also comprises a vibration damping sleeve which is made of elastic materials, the outer diameter of the vibration damping sleeve is smaller than the inner diameter of the hook part of the hook, the aperture of the vibration damping sleeve is smaller than the outer diameter of the buckle end of the buckle, the vibration damping sleeve is sleeved on the buckle of the buckle part of the buckle, and the hook part is buckled with the buckle end through the vibration damping sleeve. Therefore, the buckling of the hook part and the buckling ring end belongs to indirect buckling, when the trailer moves in the advancing process and the vibration and external force act, the hook part and the buckling ring end form flexible connection, the connection part of the hook and the welding seam of the welded connection part of the hasp and the box cover or the baffle are not loosened, the box cover, the baffle and other places needing to be connected and closed can be normally closed, the trailer can be kept to work normally, safety accidents are reduced and avoided, and the reliability and the safety are good.
Drawings
FIG. 1 is a schematic illustration of a trailer hitch structure common in the prior art;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a B-B cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of the structure of the hanger of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of the structure of the buckle of the present invention;
FIG. 8 is a C-C cross-sectional view of FIG. 7;
FIG. 9 is a schematic view of the structure of the damping sleeve of the present invention;
fig. 10 is a D-D cross-sectional view of fig. 9.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 3 to 10, the trailer latch structure of the present invention comprises a hook 1 and a latch 2, wherein the hook 1 comprises a connecting portion 1-1 and a hook portion 1-2 connected to one end of the connecting portion 1-1, and the latch 2 comprises a latch portion 2-1 and a latch 2-2 having one end rotatably and horizontally movably connected to the latch portion 2-1, and a latch end 2-20 corresponding to the hook portion 1-2; wherein, the connecting part 1-1 of the hook 1 is welded with the case cover 3 or the baffle 4, the hasp part 2-1 of the hasp 2 is welded with the corresponding case cover 3 or baffle 4, and the hook part 1-2 is buckled with the buckle end 2-20. As can be seen from fig. 3 to 10, the present invention further comprises a vibration damping sleeve 9 made of an elastic material and having an outer diameter smaller than the inner diameter of the hook portion 1-2 of the hook 1 and a bore diameter smaller than the outer diameter of the clasp end 2-20 of the clasp 2, wherein the vibration damping sleeve 9 is sleeved on the clasp end 2-20 of the clasp portion 2-1 of the clasp 2, and the hook portion 1-2 is buckled with the clasp end 2-20 through the vibration damping sleeve 9. Therefore, in the invention, the buckling of the hook part 1-2 and the buckle end 2-20 belongs to indirect buckling, when the trailer generates vibration and external force in the advancing motion, the buckling of the hook part 1-2 and the buckle end 2-20 forms flexible connection, and the joint part of the connecting part 1-1 of the hook 1 and the welded seams 6 and 7 at the welded joint part of the buckle 2 and the box cover 3 or the baffle 4 are not loosened, and the parts of the box cover, the baffle and the like which need to be connected and closed can be normally closed, so that the trailer can keep normal work, safety accidents are reduced and avoided, and the reliability and the safety are good.
The bore diameter of the inner bore 9-1 of the damping sleeve 9 is preferably smaller than the outer diameter of the clasp end 2-20 of the clasp 2 by 0.05-0.10mm. Experiments prove that the better elastic compression amount exists between the inner hole 9-1 of the vibration damping sleeve 9 and the outer circle of the retaining ring end 2-20, so that the inner hole 9-1 of the vibration damping sleeve 9 and the outer circle of the retaining ring end 2-20 are better fixed, the vibration damping sleeve 9 and the retaining ring end 2-20 are convenient to detach and replace, and the vibration damping sleeve 9 is ensured not to loosen due to vibration under the running state of the trailer.
The bore diameter of the inner bore 9-1 of the damping sleeve 9 is preferably smaller than the outer diameter of the clasp end 2-20 of the clasp 2 by 0.07mm. In this way, experiments prove that better elastic compression exists between the inner hole 9-1 of the damping sleeve 9 and the outer circle of the retaining ring end 2-20, so that the inner hole 9-1 of the damping sleeve 9 and the outer circle of the retaining ring end 2-20 are better fixed, the damping sleeve 9 and the retaining ring end 2-20 are more convenient to detach and replace, and the damping sleeve 9 is better ensured not to loosen due to vibration in the running state of the trailer.
The wall thickness of the damping sleeve 9 is preferably 1.5-2.0mm. Tests prove that the function and the effect of the damping sleeve 9 are better.
The wall thickness of the damping sleeve 9 is preferably 1.7mm. Tests have shown that this results in a better functioning and effect of the damping sleeve 9.
The outer diameter of the damping sleeve 9 is preferably smaller than the inner diameter of the hooking portion 1-2 of the hook 1 by 0.05-0.10mm. Experiments prove that the hook part 1-2 of the hook 1 is easy to be buckled with the buckle end 2-20 through the damping sleeve 9.
The outer diameter of the damping sleeve 9 is preferably smaller than the inner diameter of the hooking portion 1-2 of the hooking portion 1 by 0.07mm. Experiments prove that the hook part 1-2 of the hook 1 is easy to be buckled with the buckle end 2-20 through the damping sleeve 9.
The damping sleeve 9 is preferably made of elastic rubber. This results in a better elasticity of the damping sleeve 9 and a better function and effect. The damping sleeve 9 can also be made of an elastic plastic. This also results in a preferably resilient damping sleeve 9 with a good function and effect.
While the preferred embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a trailer hasp structure, includes couple (1) and hasp (2), couple (1) are including connecting portion (1-1) and couple portion (1-2) of connecting portion (1-1) one end, hasp (2) are including hasp portion (2-1) and one end and hasp portion (2-1) rotatable and buckle (2-2) that can move the ground horizontally, and buckle end (2-20) that corresponds with couple portion (1-2); wherein, connecting portion (1-1) and case lid (3) or baffle (4) welded connection of couple (1), hasp portion (2-1) and case lid (3) or baffle (4) that correspond of hasp (2) are connected, couple portion (1-2) and buckle end (2-20) lock, its characterized in that: the anti-vibration hook is characterized by further comprising a vibration-damping sleeve (9) which is made of elastic materials and has an outer diameter smaller than the inner diameter of a hook part (1-2) of the hook 1 and a pore diameter smaller than the outer diameter of a clasp end (2-20) of the clasp (2), wherein the vibration-damping sleeve (9) is sleeved on the clasp end (2-20) of the clasp part (2-1) of the clasp (2), the hook part (1-2) is buckled with the clasp end (2-20) through the vibration-damping sleeve (9), the pore diameter of an inner hole (9-1) of the vibration-damping sleeve (9) is smaller than the outer diameter of the clasp end (2-20) of the clasp (2) by 0.05-0.10mm, the wall thickness of the vibration-damping sleeve (9) is 1.5-2.0mm, and the outer diameter of the vibration-damping sleeve (9) is smaller than the inner diameter of the clasp part (1-2) of the hook (1).
2. The trailer hitch lock as claimed in claim 1, wherein: the aperture of the inner hole (9-1) of the vibration damping sleeve (9) is smaller than the diameter of the outer circle of the clasp end (2-20) of the clasp (2) by 0.07mm.
3. The trailer hitch lock as claimed in claim 1, wherein: the wall thickness of the vibration damping sleeve (9) is 1.7mm.
4. The trailer hitch lock as claimed in claim 1, wherein: the outer diameter of the vibration damping sleeve (9) is smaller than the inner diameter of the hook part (1-2) of the hook (1) by 0.07mm.
5. The trailer hitch lock as claimed in any one of claims 1-4, wherein: the damping sleeve (9) is made of elastic rubber or elastic plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929454.5A CN108952374B (en) | 2018-08-15 | 2018-08-15 | Trailer latch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929454.5A CN108952374B (en) | 2018-08-15 | 2018-08-15 | Trailer latch structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952374A CN108952374A (en) | 2018-12-07 |
| CN108952374B true CN108952374B (en) | 2023-10-27 |
Family
ID=64470251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810929454.5A Active CN108952374B (en) | 2018-08-15 | 2018-08-15 | Trailer latch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952374B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280077A (en) * | 2019-07-25 | 2019-09-27 | 厦门大学嘉庚学院 | A kind of novel bag cage connection component and its application method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB337592A (en) * | 1929-10-26 | 1930-11-06 | Charles William Cheney | Hasp-lock fittings for trunks, boxes, cases and the like |
| GB434033A (en) * | 1934-04-18 | 1935-08-26 | Alfred Leo Peel | Improvements in hasp fastenings for attache and suit cases and the like |
| KR970043945A (en) * | 1995-12-27 | 1997-07-26 | 김태구 | A setructure for absorbing og a door latch for an automobile |
| CN201410991Y (en) * | 2009-02-23 | 2010-02-24 | 成都王牌汽车集团股份有限公司 | Semi-suspension type cab rear support structure |
| CN102477827A (en) * | 2010-11-24 | 2012-05-30 | 荣成市龙河金属加工厂 | Adjustable lock catch |
| CN102922974A (en) * | 2012-10-25 | 2013-02-13 | 奇瑞汽车股份有限公司 | Back door limiting and buffering device of automobile |
| CN203822007U (en) * | 2014-03-26 | 2014-09-10 | 范建伟 | Back door-and-side door lock of van |
| CN105625832A (en) * | 2016-03-03 | 2016-06-01 | 皓月汽车安全系统技术股份有限公司 | Guide rail buckle assembly for sliding door system |
| CN206856467U (en) * | 2017-06-15 | 2018-01-09 | 广东灿城农产品集团有限公司 | A kind of car door mounting structure of refrigerator car |
| CN107975520A (en) * | 2017-11-20 | 2018-05-01 | 荣成康派斯新能源车辆股份有限公司 | Hasp with self-locking and the anti-torsion structure of retaining ring |
| CN207714944U (en) * | 2017-11-10 | 2018-08-10 | 瑞安市荣邦汽车部件有限公司 | A kind of mute lock with pooling feature |
-
2018
- 2018-08-15 CN CN201810929454.5A patent/CN108952374B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB337592A (en) * | 1929-10-26 | 1930-11-06 | Charles William Cheney | Hasp-lock fittings for trunks, boxes, cases and the like |
| GB434033A (en) * | 1934-04-18 | 1935-08-26 | Alfred Leo Peel | Improvements in hasp fastenings for attache and suit cases and the like |
| KR970043945A (en) * | 1995-12-27 | 1997-07-26 | 김태구 | A setructure for absorbing og a door latch for an automobile |
| CN201410991Y (en) * | 2009-02-23 | 2010-02-24 | 成都王牌汽车集团股份有限公司 | Semi-suspension type cab rear support structure |
| CN102477827A (en) * | 2010-11-24 | 2012-05-30 | 荣成市龙河金属加工厂 | Adjustable lock catch |
| CN102922974A (en) * | 2012-10-25 | 2013-02-13 | 奇瑞汽车股份有限公司 | Back door limiting and buffering device of automobile |
| CN203822007U (en) * | 2014-03-26 | 2014-09-10 | 范建伟 | Back door-and-side door lock of van |
| CN105625832A (en) * | 2016-03-03 | 2016-06-01 | 皓月汽车安全系统技术股份有限公司 | Guide rail buckle assembly for sliding door system |
| CN206856467U (en) * | 2017-06-15 | 2018-01-09 | 广东灿城农产品集团有限公司 | A kind of car door mounting structure of refrigerator car |
| CN207714944U (en) * | 2017-11-10 | 2018-08-10 | 瑞安市荣邦汽车部件有限公司 | A kind of mute lock with pooling feature |
| CN107975520A (en) * | 2017-11-20 | 2018-05-01 | 荣成康派斯新能源车辆股份有限公司 | Hasp with self-locking and the anti-torsion structure of retaining ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108952374A (en) | 2018-12-07 |
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| PB01 | Publication | ||
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