Container door opening device

By setting up an automated door opening and locking mechanism above the container feed door, the existing container door opening mechanism is solved, and space saving, operation simplification and automation level are improved.

CN223002109UActive Publication Date: 2025-06-20CHONGQING ENDURANCE & SHINMAYWA IND

Patent Information

Application Number
CN202421975233.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-06-20
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

The existing container door opening mechanism has problems such as excessive weight, complex manual operation, large space occupancy and cumbersome operation.

Method used

A container door opening device is designed. By setting a door opening mechanism and a locking mechanism above the container feed door, the latch assembly and locking cylinder are used to realize automatic unlocking and locking of the feed door, reducing manual operation and improving working efficiency.

Benefits of technology

The device reduces the space occupied by the equipment, simplifies the operation process, improves the level of automation and operating efficiency, and ensures stable locking of the feed door through the dual function of the locking mechanism.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223002109U_ABST
Patent Text Reader

Abstract

The utility model discloses a container door opening device, which belongs to the technical field of garbage compression and transfer equipment and comprises a container frame, a door opening mechanism, a locking mechanism, a bolt component and a feeding door. The locking mechanism is installed on the door opening mechanism in a nested mode, the bolt assembly is arranged on the feeding door body and comprises a sleeve and a bolt shaft, the sleeve is fixed to the feeding door body, the bolt shaft penetrates through the sleeve and slides in the sleeve, a shifting block is arranged on the bolt shaft, and a locking base is arranged at the top of the container frame. The locking mechanism is provided with a shifting clamping sleeve, a driving clamping sleeve and a second driving assembly. The feeding door locking mechanism is small in occupied space, the feeding door and the container are easy to unlock, open, close and lock, the mechanisms are tightly matched, the operation efficiency can be effectively improved, and the automation level is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of garbage compression and transfer equipment, and particularly to a container door opening device. Background Art

[0002] As an essential device for garbage transfer stations, containers are widely used for garbage loading. In the prior art, the opening, closing, locking, and unlocking of the feeding door of a container are usually realized by a door opening mechanism integrated on the container. Its power source comes from a transfer vehicle supporting the container, and during the detachment and connection of the transfer vehicle and the container, manual connection of the container door opening mechanism to the power source of the transfer vehicle is required. In the prior art, the door opening mechanism integrated on the container results in an overweight container, and manual connection or detachment of the power source is needed, which has the drawback of manual operation.

[0003] The Chinese patent document with the publication number CN219545736U and the publication date of August 18, 2023, discloses a... The switch lock mechanism includes: a movable frame and a fixed frame that are displaceably connected, a telescopic movable pressure cylinder with two ends respectively connected to the movable frame and the fixed frame, a locking component and an unlocking component respectively used for locking and unlocking the door lock of the garbage container; the door opening and closing mechanism includes: a pressure fixing seat, a swing arm with the rear end connected to the pressure fixing seat, a door opening and closing pressure cylinder with two ends respectively hinged to the fixed seat and the swing arm, and a door opening and closing component arranged at the front end of the swing arm. Through the movable pressure cylinder of the switch lock mechanism, the movable frame is driven to reach the position, and the door lock of the garbage container is unlocked or locked through the unlocking component and the locking component, and through the door opening and closing pressure cylinder of the door opening and closing mechanism, the swing arm is driven to swing to the position and the container door is engaged through the door opening and closing component, so as to drive the opening or closing of the container door by the swing of the swing arm.

[0004] Although the technical solution with the publication number CN219545736U solves the drawback of manual operation, there are still some problems. On the one hand, during the operation process, it occupies a large space, and equipment space needs to be reserved in both the front and rear of the container. On the other hand, during the implementation of this technical solution, the switch lock components are all independently controlled, and the switch lock and door opening are relatively cumbersome, and the operation is relatively complex. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a container door opening device, which only needs to be arranged above the feeding door of the container, has a small operation space, and after the feeding door is unlocked from the container, it is locked with the door opening mechanism, and the cooperation between the mechanisms is close, effectively improving the operation efficiency.

[0006] The utility model is realized by adopting the following technical solutions:

[0007] A container door opening device includes a container frame, a door opening mechanism, a locking mechanism, a bolt assembly, and a feed door. The door opening mechanism includes a fixed frame fixedly connected to the container frame, a turning arm hinged to the fixed frame, and a driving component I. The locking mechanism is installed on the door opening mechanism. The bolt assembly is arranged on the feed door. The bolt assembly at least includes a sleeve and a bolt shaft. The sleeve is fixed on the feed door. The bolt shaft slides in the sleeve. A toggle block is arranged on the bolt shaft. A locking seat is arranged on the container frame. On the side of the locking seat facing the bolt shaft, facing the axial movement direction of the bolt shaft 242, the locking mechanism is provided with a toggle collar, a driving collar, and a driving component II. The feed door is hinged to the container frame. The door opening mechanism realizes the reciprocating turning of the turning arm through the driving component I, thereby realizing the reciprocating turning of the door opening mechanism. When the door opening mechanism turns downward, the toggle block is toggled by the toggle collar to make the bolt shaft extend and retract, realizing the unlocking and locking of the feed door body. When the bolt shaft extends, the bolt shaft is inserted into the locking seat of the container frame, and the feed door is locked and tightened with the container frame. When the bolt shaft retracts, the bolt shaft disengages from the locking seat and is inserted into the driving collar, realizing the unlocking of the feed door from the container frame and the locking with the locking mechanism, and the door opening mechanism opens the feed door.

[0008] The bolt assembly further includes a spring. The spring is a compressed spring, one end of which contacts the toggle block and the other end is fixed to the sleeve, so that the bolt assembly is pressed outward in the natural state.

[0009] The driving component I is a turning oil cylinder with one end hinged to the turning arm and the other end hinged to the fixed frame. The door opening mechanism realizes the reciprocating turning of the turning arm through the extension and retraction of the turning oil cylinder, thereby realizing the reciprocating turning of the door opening mechanism.

[0010] The driving component II is a locking oil cylinder. The locking mechanism further includes a sliding rod. The toggle sliding sleeve is integrated with a sliding sleeve groove and a sliding sleeve hinge point. The locking mechanism is nested on the turning arm of the door opening mechanism through the sliding rod. The toggle sliding sleeve and the locking oil cylinder are arranged on the sliding rod. The locking oil cylinder is connected to the sliding sleeve hinge point of the toggle sliding sleeve. Through the extension and retraction of the locking oil cylinder, the reciprocating sliding of the toggle sliding sleeve on the sliding rod is realized.

[0011] The locking mechanism further includes a locking oil cylinder seat. The locking oil cylinder seat is arranged in the middle of the sliding rod. One end of the locking oil cylinder is connected to the sliding sleeve hinge point of the toggle sliding sleeve, and the other end is hinged to the locking oil cylinder seat.

[0012] The bolt assemblies are symmetrically arranged on the feed door body.

[0013] The locking seats are symmetrically arranged on the top of the container frame.

[0014] The toggle sliding sleeve and the locking oil cylinder are symmetrically arranged on the sliding rod.

[0015] The driving slots are arranged on both sides of the locking oil cylinder seat.

[0016] The locking seat and the driving slot are provided with a through hole for the bolt shaft to pass through, and the through hole is a circular hole, an elliptical hole or a polygonal hole.

[0017] Compared with the prior art, the advantages of the utility model are:

[0018] 1. In the utility model, the latch assembly is arranged on the body of the feed door, and the latch assembly includes a sleeve, a spring, a toggle block and a latch shaft. The sleeve is fixed on the body of the feed door, and the latch shaft passes through the sleeve and slides in the sleeve through the spring. A toggle block is arranged on the latch shaft, and a locking seat is arranged on the top of the container frame. The locking seat is opposite to one side of the latch shaft, and the locking mechanism is provided with a driving sleeve, and the driving sleeve is opposite to the other side of the latch shaft. The toggle block is toggled by the locking mechanism to extend and retract the latch shaft, so as to realize the unlocking and locking of the feed door body. When the latch shaft is extended, When the latch shaft is retracted, the latch shaft is disengaged from the locking seat of the container frame, and the latch shaft is inserted into the driving sleeve to unlock the feed door body and the container frame and lock it with the locking mechanism. The locking mechanism has a dual function. When it is retracted, the feed door and the container frame are unlocked and the feed door and the locking mechanism are locked, which greatly improves the efficiency of the operation and the level of automation. In addition, by setting a spring, the latch assembly has a certain pre-tightening force in the locked state, which further improves the stability.

[0019] 2. The utility model can accurately control the sliding of the toggle sleeve on the slide rod by extending and retracting the locking oil cylinder. This precise control can ensure the accurate positioning of the latch shaft during the unlocking and locking process, improve the reliability of the device, and the design of the slide rod and the toggle sleeve provides a more stable locking mechanism, reducing the risk of failure of the locking mechanism due to vibration or external force.

[0020] 3. In the utility model, the locking cylinder seat provides an additional support point, so that the locking cylinder is more stable during operation, avoiding shaking or deviation that may be caused by single-point support, and improving the stability of the entire system.

[0021] 4. In the utility model, the door opening mechanism and the locking mechanism are both arranged above the container feed door, which greatly reduces the space occupied by the equipment.

[0022] 5. In the present utility model, the bolt assemblies are symmetrically arranged on the door body of the feeding door, the locking seats are symmetrically arranged at the top of the container frame, the shifting sliding sleeves and the locking oil cylinders are symmetrically arranged on the sliding rod, and the driving clamping grooves are arranged on both sides of the locking oil cylinder seat, so that the force exerted on the feeding door during the opening and closing of the door opening mechanism is more uniform, and the service life of the mechanism is improved. Description of the Drawings

[0023] The present utility model will be further described in detail below in conjunction with the specification drawings and specific embodiments, where:

[0024] Figure 1 is an axonometric view of the relative position between the initial position of the present utility model and the container;

[0025] Figure 2 is an axonometric view of the present utility model when the door is turned down and closed;

[0026] Figure 3 is a top view of the present utility model when the door is closed;

[0027] Figure 4 is a sectional view taken along line A-A of the top view of the present utility model when the door is closed;

[0028] Figure 5 is a schematic view of unlocking of the present utility model;

[0029] Figure 6 is a schematic view of opening the door of the present utility model;

[0030] Figure 7 is a schematic view of locking of the present utility model.

[0031] Markings in the figures:

[0032] 1. Container frame, 11. Locking seat, 12. Frame door hinge point, 2. Feeding door, 21. Door body of the feeding door, 22. Feeding door hinge point, 23. Sleeve, 24. Bolt assembly, 241. Shifting block, 242. Bolt shaft, 25. Spring, 3. Door opening mechanism, 31. Tipping arm, 311. First tipping arm hinge point, 312. Second tipping arm hinge point, 32. Fixed frame, 321. First fixed frame hinge point, 322. Second fixed frame hinge point, 33. Tipping oil cylinder; 4. Locking mechanism, 41. Sliding rod, 42. Shifting sliding sleeve, 421. Sliding sleeve clamping groove, 422. Sliding sleeve hinge point, 43. Locking oil cylinder, 44. Driving clamping groove, 45. Locking oil cylinder seat. Specific Embodiments

[0033] Embodiment 1

[0034] This embodiment provides a container door opening device, referring to Figures 1 - 7, including a container frame 1, a door opening mechanism 3, a locking mechanism 4, a latch assembly 24 and a feed door 2, the door opening mechanism 3 includes a fixed frame 32 fixedly connected to the container frame 1, a flip arm 31 hinged to the fixed frame 32, and a flip cylinder 33 with one end hinged to the flip arm 31 and the other end hinged to the fixed frame 32, the door opening mechanism 3 is extended and retracted by the flip cylinder 33 to achieve the reciprocating flipping of the flip arm 31, thereby achieving the reciprocating flipping of the door opening mechanism 3, the locking mechanism 4 is installed on the door opening mechanism 3, the latch assembly 24 is arranged on the feed door 2, the latch assembly 24 at least includes a sleeve 23 and a latch shaft 242, the sleeve 23 is fixed on the feed door 2, the latch shaft 242 slides in the sleeve 23, a toggle block 241 is arranged on the latch shaft 242, a locking seat 11 is arranged on the container frame 1, and the locking seat 11 is directly opposite to the latch One side of the pin shaft 242 is facing the axial movement direction of the latch shaft 242. The locking mechanism 4 is provided with a toggle sleeve, a driving sleeve and a locking cylinder. The feed door 2 is hinged to the container frame 1. The door opening mechanism 3 realizes the reciprocating flipping of the flip arm 31 through the driving component 1, thereby realizing the reciprocating flipping of the door opening mechanism 3. When the door opening mechanism 3 flips downward, the toggle block 241 is toggled by the toggle sleeve to extend and retract the latch shaft 242 to realize the unlocking and locking of the feed door body 21. When the latch shaft 242 is extended, the latch shaft 242 is inserted into the locking seat 11 of the container frame 1, and the feed door 2 is locked with the container frame 1. When the latch shaft 242 is retracted, the latch shaft 242 is disengaged from the locking seat 11, and the latch shaft 242 is inserted into the driving sleeve to realize the unlocking of the feed door 2 with the container frame 1 and the locking with the locking mechanism 4, and the door opening mechanism 3 opens the feed door 2.

[0035] The present embodiment provides a container door opening device, which uses the locking mechanism 4 to toggle the toggle block 241 to extend and retract the latch shaft 242 to achieve unlocking and locking of the feed door body 21. When the latch shaft 242 is extended, the latch shaft 242 is inserted into the locking seat 11 of the container frame 1 to achieve locking and tightening of the feed door body 21 with the container frame 1. When the latch shaft 242 is retracted, the latch shaft 242 is disengaged from the locking seat 11 of the container frame 1, and the latch shaft 242 is inserted into the driving sleeve to achieve unlocking of the feed door body 21 with the container frame 1 and locking with the locking mechanism 4. The locking mechanism 4 has a dual function. When retracted, it can not only unlock the feed door 2 with the container frame 1, but also lock the feed door 2 with the locking mechanism 4, which greatly improves the efficiency of the operation and the level of automation.

[0036] Example 2

[0037] This embodiment is further described on the basis of embodiment 1. Figures 1 - 7The latch assembly 24 also includes a spring 25, which is in a compressed state and has one end in contact with the toggle block 241 and the other end fixed to the sleeve 23, so that the latch assembly 24 is pressed outward in a natural state.

[0038] In this embodiment, a spring is provided so that the latch assembly has a certain pre-tightening force in the locked state to prevent garbage from dumping.

[0039] Example 3

[0040] This embodiment is further described on the basis of embodiment 2. Figures 1 - 7 The locking mechanism 4 also includes a slide rod 41 and a locking cylinder 43. The toggle slide sleeve 42 is integrated with a slide sleeve groove 421 and a slide sleeve hinge 422. The locking mechanism 4 is nested on the flip arm 31 of the door opening mechanism 3 through the slide rod 41. The toggle slide sleeve 42 and the locking cylinder 43 are arranged on the slide rod 41. The locking cylinder 43 is connected to the slide sleeve hinge 422 of the toggle slide sleeve 42. The toggle slide sleeve 42 can slide back and forth on the slide rod 41 by extending and retracting the locking cylinder 43.

[0041] In this embodiment, the sliding movement of the toggle sleeve 42 on the slide bar 41 can be precisely controlled by extending and retracting the locking oil cylinder 43. This precise control can ensure that the latch shaft 242 is accurately positioned during the unlocking and locking process, thereby improving the reliability of the device. The design of the slide bar 41 and the toggle sleeve 42 provides a more stable locking mechanism 4, thereby reducing the risk of failure of the locking mechanism 4 due to vibration or external force.

[0042] Example 4

[0043] This embodiment is further described on the basis of embodiment 3. Figures 1 - 7 The locking mechanism 4 also includes a locking cylinder seat 45, which is arranged in the middle of the slide rod 41. One end of the locking cylinder 43 is connected to the sliding sleeve hinge point 422 of the toggle sliding sleeve 42, and the other end is hinged to the locking cylinder seat 45.

[0044] In this embodiment, the locking cylinder seat 45 provides an additional support point, so that the locking cylinder 43 is more stable during operation, avoiding shaking or deviation that may be caused by single-point support, and improving the stability of the entire system.

[0045] Example 5

[0046] This embodiment is further described on the basis of embodiment 4. Figures 1 - 7, the bolt assemblies 24 are symmetrically arranged on the feed door body 21; the locking seats 11 are symmetrically arranged on the top of the container frame 1; the shifting sliding sleeves 42 and the locking oil cylinders 43 are symmetrically arranged on the sliding rod 41; the driving slots 44 are arranged on both sides of the locking oil cylinder seat 45; through holes for the insertion pin shafts 242 to pass through are provided on the locking seats 11 and the driving slots 44; the through holes are circular holes, oval holes or polygonal holes.

[0047] In this embodiment, symmetrically arranging each component can effectively balance the distribution of forces, avoid structural deformation caused by excessive unilateral force, and improve the stability and durability of the overall system.

[0048] The working principle of the present utility model is as follows:

[0049] Unlocking: The turning arm 31 of the door opening mechanism 3 turns down and closes. The locking mechanism 4 fits above the feed door body 21 of the feed door 2. The sliding sleeve slot 421 on the shifting sliding sleeve 42 of the locking mechanism 4 is sleeved into the shifting block 241 of the bolt assembly 24 on the feed door body 21. The locking oil cylinder 43 of the locking mechanism 4 retracts to drive the shifting sliding sleeve 42 to retract. The sliding sleeve slot 421 on the shifting sliding sleeve 42 drives the shifting block 241 of the bolt assembly 24 on the feed door body 21 to retract. The shifting block 241 drives the insertion pin shaft 242 to disengage from the locking seat 11 of the container frame 1. At the same time, the insertion pin shaft 242 is inserted into the driving slot 44, realizing the unlocking of the feed door body 21 and the container frame 1. At the same time, the feed door 2 and the locking mechanism 4 are locked by inserting the insertion pin shaft 242 into the driving slot 44, facilitating the subsequent turning and opening of the door. The locking mechanism 4 has a dual function. When retracting, it not only unlocks the feed door 2 and the container frame 1 but also locks the feed door 2 and the locking mechanism 4.

[0050] Opening the door: After completing the unlocking action, the turning oil cylinder 33 extends, driving the turning arm 31 to rotate counterclockwise. The turning arm 31 drives the locking mechanism 4 and the feed door 2 to rotate synchronously, completing the opening of the feed door 2.

[0051] Closing the door: The turning oil cylinder 33 retracts, driving the turning arm 31 to rotate clockwise. The turning arm 31 drives the locking mechanism 4 and the feed door 2 to rotate synchronously, completing the closing of the feed door 2.

[0052] Locking: After the door closing action is completed, the locking cylinder 43 of the locking mechanism 4 extends to drive the sliding sleeve 42 to extend, and the sliding sleeve slot 421 on the sliding sleeve 42 drives the toggle block 241 of the latch assembly 24 on the feed door body 21 to extend, and the toggle block 241 drives the latch shaft 242 to insert into the locking seat 11 of the container frame 1, and at the same time, the latch shaft 242 is separated from the driving slot 44, so as to achieve the locking and locking of the feed door body 21 and the container frame 1, and at the same time, the latch shaft 242 is separated from the driving slot 44 to achieve the unlocking of the feed door 2 and the locking mechanism 4. The locking mechanism 4 has a dual function, which can not only achieve the locking and locking of the feed door 2 and the container frame 1, but also achieve the unlocking of the feed door 2 and the locking mechanism 4 when it is extended.

Claims

1. A container door opening device, characterized in that: The container comprises a container frame (1), a door opening mechanism (3), a locking mechanism (4), a latch assembly (24) and a feed door (2); the door opening mechanism (3) comprises a fixing frame (32) fixedly connected to the container frame (1), a flip arm (31) hinged to the fixing frame (32) and a driving assembly; the locking mechanism (4) is mounted on the door opening mechanism (3); the latch assembly (24) is arranged on the feed door (2); the latch assembly (24) comprises at least a sleeve (23) and a latch shaft (242); the sleeve (23) is fixed on the feed door (2); the latch shaft (242) slides in the sleeve (23) The latch shaft (242) is provided with a toggle block (241), the container frame (1) is provided with a locking seat (11), the locking seat (11) is directly opposite to the axial movement direction of the latch shaft (242), the locking mechanism (4) is provided with a toggle sleeve, a driving sleeve and a second driving component, the feed door (2) is hinged to the container frame (1), the door opening mechanism (3) drives the flip arm (31) to flip back and forth through the first driving component, thereby driving the door opening mechanism (3) to flip back and forth, and when the door opening mechanism (3) flips downward, the toggle sleeve is driven to toggle the toggle block (241) to drive the latch shaft (242) to extend and retract.

2. A container door opening device according to claim 1, characterized in that: The latch assembly (24) further comprises a spring (25), wherein the spring (25) is in a compressed state and has one end in contact with the toggle block (241) and the other end fixed to the sleeve (23).

3. A container door opening device according to claim 1, characterized in that: The driving component 1 is a turning cylinder with one end hinged to the turning arm and the other end hinged to the fixing frame. The door opening mechanism realizes the reciprocating turning of the turning arm through the extension and retraction of the turning cylinder, thereby driving the reciprocating turning of the door opening mechanism.

4. A container door opening device according to claim 1, characterized in that: The second driving component is a locking cylinder (43). The locking mechanism (4) further comprises a slide rod (41) and a toggle slide sleeve (42). The toggle slide sleeve (42) is integrated with a slide sleeve slot (421) and a slide sleeve hinge point (422). The locking mechanism (4) is nested on the flip arm (31) of the door opening mechanism (3) through the slide rod (41). The toggle slide sleeve (42) and the locking cylinder (43) are arranged on the slide rod (41). The locking cylinder (43) is connected to the slide sleeve hinge point (422) of the toggle slide sleeve (42). The toggle slide sleeve (42) is driven to slide back and forth on the slide rod (41) by extending and retracting the locking cylinder (43).

5. A container door opening device according to claim 4, characterized in that: The locking mechanism (4) further comprises a locking cylinder seat (45), wherein the locking cylinder seat (45) is arranged in the middle of the slide rod (41), and one end of the locking cylinder (43) is connected to a sleeve hinge point (422) of the sliding sleeve (42), and the other end is hinged to the locking cylinder seat (45).

6. A container door opening device according to claim 5, characterized in that: The latch assembly (24) is symmetrically arranged on the feed door body (21).

7. A container door opening device according to claim 6, characterized in that: The locking seat (11) is symmetrically arranged on the container frame (1) and directly faces the latch shaft (242).

8. A container door opening device according to claim 7, characterized in that: The moving sliding sleeve (42) and the locking oil cylinder (43) are symmetrically arranged on the sliding rod (41).

9. A container door opening device according to claim 8, characterized in that: The driving slots (44) are arranged on both sides of the locking cylinder seat (45).

10. The container door opening device according to claim 1, characterized in that: The locking seat (11) and the driving slot (44) are provided with a through hole for the latch shaft (242) to pass through, and the through hole is a circular hole, an elliptical hole or a polygonal hole.

Citation Information

Patent Citations

  • Door opener for garbage container

    CN219545736U

Cited By

  • Intensive intelligent storage and transportation integrated garbage transfer station

    CN121734828A

  • Intensive intelligent storage and transportation integrated garbage transfer station

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