A locking system applicable in a large container comprises a first component, a second component, and a latch (10). The latch (10) is movably received within the first component, and correspondingly the second component is provided with a groove (14) to receive a section of the latch (10) extending
A locking system applicable in a large container comprises a first component, a second component, and a latch (10). The latch (10) is movably received within the first component, and correspondingly the second component is provided with a groove (14) to receive a section of the latch (10) extending from the receiving section of the first component. The locking system also comprises a handle (9). The handle (9) is arranged on the first component via pivot shafts (13) and is allowed to turn towards an outer side of the first component. The handle (9) is provided at a section thereof away from the pivot shaft (13) with male pins (11). The latch (10) is provided with concave profiles in correspondence to the male pin (11). The male pin (11) and the concave profile (12) are engaged to form a sliding pair. Furthermore, the handle (9) and the latch (10) constitute a lever system. The lever system uses the pivot shaft (13) as a fulcrum, the handle (9) as a driving member, and the latch (10) as a driven member, where the distance between a force-exerting section of the handle (9) and the fulcrum is greater than the distance from the sliding pair to the fulcrum. The locking system has the advantages of effortless operation, easy installation, and, when in use, improved conformation of movements to gesture habits of people.
대표청구항▼
1. A locking system applicable in a large container, comprising: a first component, a second component, and a latch; wherein the latch is movably received within the first component, and correspondingly the second component is provided with a groove to receive a section of the latch extending from t
1. A locking system applicable in a large container, comprising: a first component, a second component, and a latch; wherein the latch is movably received within the first component, and correspondingly the second component is provided with a groove to receive a section of the latch extending from the receiving section of the first component; wherein the locking system further comprises a handle; the handle is arranged on the first component via pivot shafts and is allowed to turn towards an outer side of the first component; the handle is provided at a section thereof away from the pivot shaft with male pins; the latch is provided with concave profiles in correspondence to the male pin; the male pins and the concave profiles are engaged to form a sliding pair, so that the handle and the latch constitute a lever system; the lever system uses the pivot shaft as a fulcrum, the handle being a driving member, and the latch being a driven member, where the distance between a force-exerting section of the handle and the fulcrum is greater than a distance from the sliding pair to the fulcrum, whereinthe handle is received b a concave portion of the first component, and the opposite sides of the handle are connected to the two opposite sides of the concave portion through the pivot shafts respectively; the male pins are provided on the opposite sides of the handle respectively; the latch is provided with a tongue and control arms extending from two sides of the tongue respectively; the concave profiles are formed on the control arms respectively; the control arms of the latch pass through a hole of the first component, enter into the concave portion and engage with the corresponding male pins through the concave profiles; the tongue of the latch protrudes from the first component and is inserted into the groove of the second component so as to interlock the first component and the second component. 2. The locking system applicable in a large container according to claim 1, wherein the handle is received in the first component. 3. The locking system applicable in a large container according to claim 1, wherein the first component is the first side wall of the large container, and the second component is the second side wall of the large container adjacent to the first side wall, both the first side wall and the second side wall being foldably provided on a base, the pivot shaft being perpendicular to the base. 4. The locking system applicable in a large container according to claim 1, wherein a spring is provided between the tongue and the side portion of the first component adjacent to the second component, the spring biasing the tongue into the groove of the second component. 5. The locking system applicable in a large container according to claim 1, wherein protrusions are provided on the opposite sides of the concave portion respectively, and elongated guiding grooves are provided on the opposite sides of the latch correspondingly; the protrusions are positioned on the guiding grooves respectively so as to ensure the latch moving linearly. 6. The locking system applicable in a large container according to claim 1, wherein at least a limiting surface is formed on the concave portion of the first component, the limiting surface(s) being formed at the extreme position of the path along which the handle turn outwardly; the sidewalls of the handle contact face to face with the limiting surface(s) at the extreme position. 7. The locking system applicable in a large container according to claim 1, wherein the first component is a door provided on a side wall of the large container, and the second component is the side wall.
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이 특허에 인용된 특허 (8)
Foy Dennis M. (Birmingham MI), Collapsible container.
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