DE1932109A1 - Container lock - Google Patents

Description

Description of the Invention Container Closure The invention relates to a container closure that releases the entire outlet cross-section, completely seals the flow of material even when opening thanks to a favorable sequence of movements little affected and has a low overall height.

There are container closures known in which a flap in the Is mounted in the middle of the outlet opening and rotated 90 degrees. It will the flow of material through the flap in the middle is severely hindered.

Furthermore, container closures are known in which a flap is stored outside the outlet opening and is rotated 90 degrees downwards. The entire outlet cross-section is released, the flap diameter as additional height is required and the flow of material is greatly distracted when it is opened.

Furthermore, container closures are known, because a slide pulled out or rotated. There is heavy wear and tear on the sliding points and permanent tightness is not achieved.

The invention aims to overcome the disadvantages of the known container closures avoid and permanent tightness, full cross-sectional release and low Unite construction height.

This is achieved in that the bottom flap has a four-bar linkage or an oscillating crank loop with certain dimensional relationships Open for now lowered vertically downwards from the container opening is then swiveled sideways to an edge of the container opening until it is on the side next to the container outlet.

The invention is based on the drawings of an exemplary embodiment explained in more detail.

It shows Fig. 1 a Schematic representation of the quadrilateral joint in several positions to make the sequence of movements recognizable.

Fiv. 1 b Schematic representation of the oscillating crank slider in several positions to identify the sequence of movements.

Fig. 2 container closure in elevation in section, Fig. 3 container closure partially in section in plan, FIG. 4 partially in the side view of the container in section, Fig. 5 container closure in view of the pneumatic drive.

The schematic representation (Fig. 1 a) shows the kinematics of the container lock as an articulated square with the crank (1), the coupling (2), the rocker (3), the bridge (4) as an imaginary connection between the fixed pivot points of crank and The rocker arm and the flap (7) in the closed position. Becomes the fulcrum between the crank and coupling (5) rotated downwards nm fulcrum (8), the Closure flap lifted vertically downwards from the container opening (10). the The swing arm rotates at the pivot point (9).

As the movement progresses, the two pivot points (5) and give way (6) from their common vertical position and pivot the flap laterally next to the container opening (10).

The schematic representation (Fig. 1 b) shows the kinematics of the container closure as a swinging Rurbel loop, in which the movement of the bottom flap corresponds to the in the case of the quadrangle is similar.

The drawings Fig. 2, Fig. 3, riq. 4 and 5 show the container closure in the articulated square design with the housing (20), the shaft (21) as pivot points for the cranks (22), the coupling (24) provided with a fork head (23), which are in the Pin (25) mounted rocker (26), the lower one designed as a loose insert (27) Part of the container, the bracket (29) hung in the coupling (? 4) with bolts (28) on which the bottom flap (30) is loosely placed, the bearing pin (31) on which the Pneumatic cylinder (32) is rotatably attached to the lever (33) of the cylinder is driven by a fork head and drives the light (21) and the dust cap (34) that disguises the entire lock.

When the pneumatic cylinder (32) is actuated, the lever (33) 'and the shaft (21) moves the cranks (22) downwards. With the belt (24) and the rocker (26) is the bottom flap (30) inevitably for the time being vertically Lowered from the bottom of the container opening and then to the side next to the insert (27) pivoted.

The same movement is achieved by an oscillating turbocharger loop.

The bracket (29) is convex on the side facing the bottom flap (30) executed so that manufacturing errors are compensated and the bottom flap (30) always seals evenly against the insert (27).

The insert (27) can also be made conical, so that the effective overall height particularly low.

The outlet cross-section can also be designed in other shapes (e.g. rectangle).

Claims (5)

Container lock Patent claim 9 container closure, characterized in that the Bottom flap (7) with a four-bar hinge with similar dimensions from crank (1) to coupling (2) to rocker arm (3) to web (4) to distance of the bottom flap (7) from the pivot point crank / coupling (5) in the extension of the coupling silver the pivot point Kopel / Schwinge (6) out to the diameter of the container opening (10) like 150th to 70th 70 to 230 to 195 to 250, when opening initially vertically downwards from the container opening is lowered and then more and more laterally around an edge of the container opening is swiveled around until it is on the side of the container opening when closing pivoted back from the position to the side of the container opening around the edge of the container opening and is then pressed vertically upwards against the container opening. 2. Container closure according to claim 1, characterized in that the four-bar linkage is replaced by an oscillating crank slide without thereby the movement of the bottom flap is significantly changed. 3. Container closure according to claim 1 and 2, characterized in that that the lower part of the container is integrated into the closure and as a loose insert (Z7) formed, the bottom flap (30) consists of a cut sheet metal and loose in the paddocks (24) is hooked, so that an easy exchange option and material variation of the closure parts touched by the container contents is possible. 4. Container closure according to claim 1 and 2, characterized in that that the insert is conical, so that with conical containers a very low effective overall height is required. 5. Container closure according to claim 1 and 2, characterized in that dag the bottom flap (30) from a convex bracket (29) compensating for manufacturing errors and is pressed evenly against the container opening, where by a permanent Tightness of the Behfilterverschlußes is achieved.