Automatic locking barrel cover structure

Abstract

The present invention proposes an automatically locked barrel cover structure, comprising a barrel body and a barrel cover, wherein the rear end of the barrel body is hinged to the rear end of the barrel cover, the barrel body further comprises a front box, the front box is fixedly connected to the barrel body, the front box comprises a first column and a second column, the first column and the second column are arranged parallel to the front box, the barrel cover further comprises a front shell, the front shell is fixed to the barrel cover, the front shell comprises an input part, an output part, and a linkage part, the linkage part comprises an outrigger arm, the outrigger arm is rotatably arranged on the front shell, the input part is hinged to the linkage part, and the output part is hinged to the linkage part. The present invention hinges the rear part of the barrel cover and arranges a piston device, so that the closing process and the opening process of the barrel cover can be carried out smoothly, arranges a cam mechanism so that the input part will not be obstructed during the closing process, and is locked during the opening process, so that the barrel cover can be opened smoothly, and arranges a series of torsion springs so that the automatic reset of the device becomes possible.

Description

Technical Field

[0001] The invention relates to the field of machinery, and in particular to an automatically locking barrel cover structure. Background Art

[0002] In daily life, due to storage needs, we use various barrels, such as trash cans, water buckets, etc., but in some specific occasions, in order to prevent material leakage, the barrel cover needs to have an automatic locking function to ensure its airtightness and safety. When it is necessary to fill the barrel with materials, a specific mechanism is required to realize the unlocking function so that the barrel cover can be opened easily and smoothly. However, there is a lack of barrel cover structures with self-locking functions on the market, so how to solve this problem has become a problem faced by technicians in this field. Summary of the invention

[0003] In order to solve the above problems, the present invention provides an automatically locking barrel cover structure.

[0004] The present invention is achieved through the following technical solutions: an automatically locking barrel cover structure, comprising a barrel body and a barrel cover, the rear end of the barrel body is hinged to the rear end of the barrel cover, the barrel body also includes a front end box, the front end box is fixedly connected to the barrel body, the front end box includes a first column and a second column, the first column and the second column are arranged parallel to the front end box, the barrel cover also includes a front shell, the front shell is fixed to the barrel cover, the front shell includes an input part, an output part, and a linkage part, the linkage part includes an outrigger arm, the outrigger arm is rotatably arranged on the front shell, the input part is hinged to the linkage part, and the output part is hinged to the linkage part.

[0005] Furthermore, when the barrel cover is fully buckled onto the barrel body, the input part rotates from the rear end of the barrel cover to the front end of the barrel cover relative to the front shell, the outwardly extending arm abuts against the first column, and the output part is hooked onto the second column; when the barrel cover is detached from the barrel body, the input part rotates from the front end of the barrel cover to the rear end of the barrel cover relative to the front shell, and the output part detaches from the second column.

[0006] Furthermore, the front shell further comprises a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, and a fifth rotating shaft, and the first rotating shaft, the second rotating shaft, the third rotating shaft, the fourth rotating shaft, and the fifth rotating shaft are all fixed to the front shell;

[0007] The front shell is provided with an opening corresponding to the input part;

[0008] The linkage part includes a connecting arm and a first piston device;

[0009] The input portion includes an input arm extending from the opening of the front housing;

[0010] The end of the input part is further provided with a first accommodating cavity and a second accommodating cavity, the first accommodating cavity is provided with a sixth rotating shaft connected to the connecting arm, and the second accommodating cavity is provided with a third through hole connected to the third rotating shaft;

[0011] The connecting arm comprises an arm body, a third accommodating cavity and a fourth accommodating cavity, and the fourth accommodating cavity is hinged to the output part;

[0012] The first piston device includes a first piston rod and a first piston cylinder. The first piston rod is hinged to the third accommodating chamber, and the first piston cylinder includes a fifth through hole corresponding to the fifth rotating shaft.

[0013] Furthermore, the output portion also includes a first through hole corresponding to the first rotating shaft.

[0014] Furthermore, the outrigger arm includes side plates, and a fifth accommodating cavity is formed between the side plates. The fifth accommodating cavity includes a second through hole corresponding to the second rotating shaft and a second torsion spring. One end of the second torsion spring abuts against the front shell, and the other end abuts against the inner side of the outrigger arm.

[0015] Furthermore, the outward extending arm is also provided with a third column, a first torsion spring, and a movable part. The third column has an extension column outside the fifth accommodating cavity. The first torsion spring is sleeved on the third column. One end of the first torsion spring abuts against the inner side of the outward extending arm, and the other end of the first torsion spring abuts against the movable part.

[0016] Furthermore, the movable part is rotatably connected to the extension column, a limiting plate is provided at the end of the movable part, and the limiting plate is arranged to intersect with the side plate.

[0017] Furthermore, the linkage part also includes a base plate, the base plate is provided with a fourth through hole corresponding to the fourth rotating shaft, the base plate also includes a third torsion spring and a rib plate, the third torsion spring is sleeved on the fourth rotating shaft, and the end of the third torsion spring is fixed to the rib plate.

[0018] Furthermore, a cam plate is provided at the end of the second accommodating cavity, and a bearing plate corresponding to the cam plate is also provided on the rib plate.

[0019] Furthermore, the barrel body also includes a rear end box, the barrel cover also includes a rear shell, a second piston device, the second piston device includes a second piston rod and a second piston cylinder, the second piston rod is rotatably connected to the rear shell, and the second piston cylinder is rotatably connected to the rear end box.

[0020] The invention provides an automatically locked barrel cover structure.

[0021] Beneficial effects of the present invention: The present invention hinges the rear of the barrel cover and sets a piston device, so that the closing process and the opening process of the barrel cover can be carried out smoothly. The cam mechanism is set so that the input part will not be obstructed during the closing process, and the input part is locked during the opening process, so that the barrel cover can be opened smoothly. The automatic resetting of some devices is possible by setting a series of torsion springs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the open state of the automatic locking barrel cover structure of the present invention;

[0023] Figure 2 A schematic diagram of an outrigger arm of the automatic locking barrel cover structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the input part of the automatic locking barrel cover structure of the present invention;

[0025] Figure 4 It is a schematic diagram of the internal structure of the automatic locking barrel cover structure of the present invention;

[0026] Figure 5 A schematic diagram of a connecting arm of the automatic locking barrel cover structure of the present invention;

[0027] Figure 6 It is a schematic diagram of the bottom plate of the automatically locking barrel cover structure of the present invention. DETAILED DESCRIPTION

[0028] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0029] Please refer to Figure 1-6 The present invention discloses an automatically locking barrel cover structure, comprising a barrel body 2 and a barrel cover 1, wherein the rear end of the barrel body 2 is hinged to the rear end of the barrel cover 1, the barrel body 2 further comprises a front end box 21, the front end box 21 is fixedly connected to the barrel body 2, the front end box 21 comprises a first column 211 and a second column, the first column 211 and the second column 212 are arranged parallel to the front end box 21 in the upper and lower parts, the barrel cover 1 further comprises a front shell 11, the front shell 11 is fixed to the barrel cover 1, the front shell 11 comprises an input part 3, an output part 6, and a linkage part 457, the linkage part 457 comprises an outrigger arm 5, the outrigger arm 5 is rotatably arranged on the front shell 11, the input part 3 is hinged to the linkage part 457, and the output part 6 is hinged to the linkage part 457.

[0030] In this embodiment, the double-column limiting mechanism is adopted so that when the barrel cover 1 structure is locked, the positioning is very accurate.

[0031] Furthermore, when the barrel cover 1 is fully buckled onto the barrel body 2, the input part 3 rotates from the rear end of the barrel cover 1 to the front end of the barrel cover 1 relative to the front shell 11, the outward arm 5 abuts against the first column 211, and the output part 6 is hooked onto the second column 212; when the barrel cover 1 is detached from the barrel body 2, the input part 3 rotates from the front end of the barrel cover 1 to the rear end of the barrel cover 1 relative to the front shell 11, and the output part 6 detaches from the second column 212.

[0032] Furthermore, the front housing 11 further includes a first rotating shaft 111, a second rotating shaft 112, a third rotating shaft 113, a fourth rotating shaft 114, and a fifth rotating shaft 115, and the first rotating shaft 111, the second rotating shaft 112, the third rotating shaft 113, the fourth rotating shaft 114, and the fifth rotating shaft 115 are all fixed to the front housing 11;

[0033] The front housing 11 is provided with an opening 116 corresponding to the input portion 3;

[0034] The linkage part 457 includes a connecting arm 4 and a first piston device;

[0035] The input portion 3 includes an input arm 31, and the input arm 31 extends out of the front shell 11 from the opening;

[0036] In this embodiment, the input part 3 extends out from the opening 116, which makes the operation more convenient and is beneficial for operators to use.

[0037] The end of the input part 3 is further provided with a first accommodating cavity 32 and a second accommodating cavity 33. The first accommodating cavity 32 is provided with a sixth rotating shaft 321 connected to the connecting arm 4. The second accommodating cavity 33 is provided with a third through hole 331 connected to the third rotating shaft 113.

[0038] The connecting arm 4 includes an arm body 41, a third accommodating cavity 42, and a fourth accommodating cavity 43, and the fourth accommodating cavity 43 is hinged to the output portion 6;

[0039] The first piston device 7 includes a first piston rod 71 and a first piston cylinder 72 . The first piston rod 71 is hinged to the third accommodating chamber 42 . The first piston cylinder 72 includes a fifth through hole 721 corresponding to the fifth rotating shaft 115 .

[0040] In this embodiment, the end of the input part 3 is hinged to different structures at the same time, so that the structure of the whole mechanism is more compact and the working space is saved.

[0041] Furthermore, the output portion 6 also includes a first through hole 61 corresponding to the first rotating shaft 111 .

[0042] Furthermore, the outrigger arm 5 includes side plates 51, and a fifth accommodating cavity 52 is formed between the side plates 51. The fifth accommodating cavity 52 includes a second through hole 522 corresponding to the second rotating shaft 112 and a second torsion spring 521. One end of the second torsion spring 521 abuts against the front shell 11, and the other end abuts against the inner side of the outrigger arm 5.

[0043] Furthermore, the outrigger arm 5 is also provided with a third column 53, a first torsion spring 55, and a movable part 54. The third column 53 has an extension column 531 outside the fifth accommodating cavity 52. ​​The first torsion spring 55 is sleeved on the third column 53. One end of the first torsion spring 55 abuts against the inner side of the outrigger arm 5, and the other end of the first torsion spring 55 abuts against the movable part 54.

[0044] Furthermore, the movable part 54 is rotatably connected to the extension column 531, and a limiting plate 541 is disposed at the end of the movable part 54, and the limiting plate 541 is disposed to intersect with the side plate 51. The setting of the limiting plate 541 limits the movement range of the movable part 54.

[0045] Furthermore, the linkage part 457 further includes a bottom plate 8, the bottom plate 8 is provided with a fourth through hole 82 corresponding to the fourth rotating shaft 114, the bottom plate 8 further includes a third torsion spring 81 and a rib plate 83, the third torsion spring 81 is sleeved on the fourth rotating shaft 114, and the end of the third torsion spring 81 is fixed to the rib plate 83. The provision of the torsion spring makes it possible for the above device to automatically reset.

[0046] Furthermore, a cam plate 332 is provided at the end of the second accommodating cavity 33 , and a bearing plate 831 corresponding to the cam plate 332 is also provided on the rib plate 83 .

[0047] In this embodiment, the arrangement of the cam plate 332 and the supporting plate 831 enables the input portion 3 to be stuck and prevent movement when the barrel cover 1 is opened, so that the barrel cover 1 can be opened smoothly.

[0048] Furthermore, the barrel body 2 also includes a rear end box 22, the barrel cover 1 also includes a rear shell 12, a second piston device 222, the second piston device 222 includes a second piston rod 2221 and a second piston cylinder 2222, the second piston rod 2221 is rotatably connected to the rear shell 12, and the second piston cylinder 2222 is rotatably connected to the rear end box 22.

[0049] Of course, the present invention may have many other implementations. Based on this implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present invention.

Claims

1. An automatic locking barrel cover structure, characterized in that: It comprises a barrel body and a barrel cover, wherein the rear end of the barrel body is hinged to the rear end of the barrel cover, the barrel body further comprises a front end box, the front end box is fixedly connected to the barrel body, the front end box comprises a first column and a second column, the first column and the second column are arranged parallel to the front end box, the barrel cover further comprises a front shell, the front shell is fixed to the barrel cover, the front shell comprises an input part, an output part, and a linkage part, the linkage part comprises an outrigger arm, the outrigger arm is rotatably arranged on the front shell, the input part is hinged to the linkage part, and the output part is hinged to the linkage part; When the barrel cover is completely buckled with the barrel body, the input part rotates from the rear end of the barrel cover to the front end of the barrel cover relative to the front shell, the outward arm abuts against the first column, and the output part is hooked to the second column; when the barrel cover is detached from the barrel body, the input part rotates from the front end of the barrel cover to the rear end of the barrel cover relative to the front shell, and the output part detaches from the second column; The front housing further comprises a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, and a fifth rotating shaft, wherein the first rotating shaft, the second rotating shaft, the third rotating shaft, the fourth rotating shaft, and the fifth rotating shaft are all fixed to the front housing; The front shell is provided with an opening corresponding to the input part; The linkage part includes a connecting arm and a first piston device; The input portion includes an input arm extending from the opening of the front housing; The end of the input part is further provided with a first accommodating cavity and a second accommodating cavity, the first accommodating cavity is provided with a sixth rotating shaft connected to the connecting arm, and the second accommodating cavity is provided with a third through hole connected to the third rotating shaft; The connecting arm comprises an arm body, a third accommodating cavity and a fourth accommodating cavity, and the fourth accommodating cavity is hinged to the output part; The first piston device includes a first piston rod and a first piston cylinder. The first piston rod is hinged to the third accommodating chamber, and the first piston cylinder includes a fifth through hole corresponding to the fifth rotating shaft.

2. The automatic locking barrel cover structure according to claim 1, characterized in that: The output portion further includes a first through hole corresponding to the first rotating shaft.

3. The automatic locking barrel cover structure according to claim 1, characterized in that: The outrigger arm includes side plates, a fifth accommodating cavity is formed between the side plates, the fifth accommodating cavity includes a second through hole corresponding to the second rotating shaft and a second torsion spring, one end of the second torsion spring abuts against the front shell, and the other end abuts against the inner side of the outrigger arm.

4. The automatic locking barrel cover structure according to claim 3 is characterized in that: The outward extending arm is also provided with a third column, a first torsion spring, and a movable part. The third column has an extension column outside the fifth accommodating cavity. The first torsion spring is sleeved on the third column. One end of the first torsion spring abuts against the inner side of the outward extending arm, and the other end of the first torsion spring abuts against the movable part.

5. The automatic locking barrel cover structure according to claim 4 is characterized in that: The movable part is rotatably connected to the extension column, a limiting plate is arranged at the end of the movable part, and the limiting plate is arranged to intersect with the side plate.

6. The automatic locking barrel cover structure according to claim 1, characterized in that: The linkage part also includes a bottom plate, a fourth through hole corresponding to the fourth rotating shaft is provided on the bottom plate, and the bottom plate also includes a third torsion spring and a rib plate, the third torsion spring is sleeved on the fourth rotating shaft, and an end of the third torsion spring is fixed to the rib plate.

7. The automatic locking barrel cover structure according to claim 6, characterized in that: A cam plate is provided at the end of the second accommodating cavity, and a bearing plate corresponding to the cam plate is also provided on the rib plate.

8. The automatic locking barrel cover structure according to claim 1, characterized in that: The barrel body also includes a rear end box, the barrel cover also includes a rear shell, a second piston device, the second piston device includes a second piston rod and a second piston cylinder, the second piston rod is rotatably connected to the rear shell, and the second piston cylinder is rotatably connected to the rear end box.

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