Door lock of hydraulic packing machine

By designing structures such as sliding latches, rotating locks, and locking straps, the problem of needing to lock multiple side doors of a hydraulic baler sequentially was solved, achieving synchronous opening and closing and good locking, thus improving operational efficiency and safety.

CN224120088UActive Publication Date: 2026-04-14SHANDONG JUNHE MACHINERY MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG JUNHE MACHINERY MANUFACTURING CO LTD
Filing Date
2025-04-25
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The existing hydraulic balers require multiple side doors to be locked sequentially, which is cumbersome and inconvenient, affecting work efficiency and safety.

Method used

Design a hydraulic baler door lock, which adopts a structure of sliding latch, rotating lock and locking strap to realize the synchronous opening, closing and locking of multiple side doors. The synchronous movement of each side door is ensured by the cooperation of the locking link and the locking groove.

Benefits of technology

It enables the simultaneous opening and closing of multiple side doors, shortens adjustment time, improves operational efficiency, ensures good locking effect, enhances safety, and has a simple structure and low cost.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224120088U_ABST
    Figure CN224120088U_ABST
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Abstract

The utility model is suitable for the technical field of hydraulic baling machines, and provides a hydraulic baling machine door lock which comprises a base, a door lock body, a door lock body and a door lock body. The main door is rotatably arranged on one side of the top surface of the base, two slave doors and a tail door are sequentially arranged along the main door with the center of the base as the circle center, auxiliary seats are slidably arranged on the main door, the slave doors and the tail door, and rotary locking pieces are rotatably arranged on the auxiliary seats; fixing seats are arranged on the supporting stand columns, sliding lock catches are arranged on the fixing seats in a sliding mode, extension plates are connected to one ends of the auxiliary seats on the main door and the auxiliary doors, and locking belts are arranged between the main door and the auxiliary doors, between the adjacent auxiliary doors and between the extension plates and the sliding lock catches between the auxiliary doors and the tail door; the locking connecting rod is rotationally arranged on the supporting stand column, and a locking groove is formed in one sliding lock catch. Therefore, according to the utility model, not only can the opening and closing of a plurality of side doors be realized synchronously, but also a good locking effect can be ensured, the working efficiency and the safety are improved, and the requirements of users are met.
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Description

Technical Field

[0001] This utility model relates to the field of hydraulic baler technology, and in particular to a door lock for a hydraulic baler. Background Technology

[0002] Hydraulic balers are mainly used in the agricultural straw recycling and processing industry and the non-ferrous and ferrous metal smelting industry. Hydraulic balers can compress various scraps into various shapes such as cuboids, octagons, and cylinders for transportation or application. When using a hydraulic baler, because it needs to compress materials, the side door of the hydraulic baler needs to be effectively locked.

[0003] There are various types of hydraulic baler door locks in the existing technology. For example, a novel hydraulic baler door lock with publication number CN207245432U includes two lock holes, a door lock shaft, two bolts, and a handle. The two lock holes are respectively fixed at the upper and lower ends of one side of the hydraulic baler door opening. The upper and lower ends of the door lock shaft are respectively provided with grooves and pass through the two lock holes. One end of the two bolts is fixed to the frame of the hydraulic baler, and the other end is provided with a groove corresponding to the two lock holes. The handle is fixed in the middle position of the door lock shaft. It can realize the locking of the hydraulic baler door lock. However, hydraulic balers usually have multiple side doors that can be opened and closed. When using the above structure, it is necessary to lock multiple side doors of the hydraulic baler in sequence and check the locking status of several side doors in sequence. The operation process is relatively cumbersome and inconvenient to use.

[0004] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] To address the aforementioned shortcomings, the purpose of this utility model is to provide a hydraulic baler door lock that can simultaneously open and close multiple side doors while ensuring a good locking effect, thereby improving work efficiency and safety and meeting the needs of users.

[0006] To achieve the above objectives, this utility model provides a hydraulic baler door lock, comprising: a base with supporting columns at each of the four corners of its top surface; a main door, rotatably mounted on one side of the top surface of the base, with two secondary doors and a final door arranged sequentially along the main door with the center of the base as the center; auxiliary seats slidably mounted on the main door, secondary doors, and final door, and rotating locking components rotatably mounted on the auxiliary seats; fixed seats are provided on each of the supporting columns, and sliding latches that cooperate with the rotating locking components are slidably mounted on the fixed seats; an extension plate is connected to one end of the auxiliary seats on the main door and secondary doors; locking bands are provided between the extension plates and sliding latches between the main door and secondary doors, between adjacent secondary doors, and between the secondary doors and the final door; and a locking link, rotatably mounted on the supporting column that cooperates with the main door, wherein one of the sliding latches is provided with a locking groove that cooperates with the locking link.

[0007] According to the hydraulic baler door lock of this utility model, the locking groove includes a straight section and an inclined section, wherein the straight section is located at the bottom end of the inclined section.

[0008] According to the hydraulic baler door lock of this utility model, each sliding lock buckle is provided with a lock groove, and each rotating lock component is provided with a hook claw that cooperates with the lock groove, and each hook claw is in the shape of a barb.

[0009] According to the hydraulic baler door lock of this utility model, the side walls of the supporting column, the main door and the slave door are all provided with guide shafts that cooperate with the locking belt.

[0010] According to the hydraulic baler door lock of this utility model, the main door, the auxiliary door and the end door are all provided with guide grooves on their surfaces, and the auxiliary seat is provided with guide strips that cooperate with the guide grooves. The connection method between the sliding lock and the fixed seat is the same as the connection method between the auxiliary seat and the main door.

[0011] According to the hydraulic baler door lock of this utility model, when the locking link is engaged with the inclined section, the sliding latch moves away from the main door; when the locking link is engaged with the straight section, the auxiliary seat abuts against the end side wall of the main door.

[0012] The purpose of this utility model is to provide a door lock for a hydraulic baler. By incorporating a sliding latch, a rotating locking element, and a locking strap, it enables simultaneous opening and closing of multiple side doors in different directions, reducing adjustment time, improving work efficiency, and ensuring a good locking effect. This prevents accidental opening of side doors during operation, enhancing the safety of the device. Furthermore, the device has a simple structure and low manufacturing cost. In summary, the beneficial effects of this utility model are: it enables simultaneous opening and closing of multiple side doors while ensuring a good locking effect, improving work efficiency and safety, and meeting the needs of users. Attached Figure Description

[0013] Figure 1This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 yes Figure 1 Enlarged schematic diagram of part A of the structure;

[0015] In the diagram: 1-base, 11-support column, 12-top seat, 2-pressure plate, 21-hydraulic component, 3-main door, 4-secondary door, 5-end door, 6-fixed seat, 61-sliding latch, 7-auxiliary seat, 71-rotary lock, 72-extension plate, 73-locking band, 8-guide shaft, 9-locking linkage. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0017] See Figures 1-2 This utility model provides a door lock for a hydraulic baler, comprising:

[0018] The base 1 is placed on the ground (or other supporting surface). Support columns 11 are fixedly connected to the four corners of the top surface of the base 1. The top of the support columns 11 is fixedly connected to the top seat 12. A pressure plate 2 is provided below the top seat 12. The pressure plate 2 is used to squeeze the material to achieve packaging. A hydraulic component 21 is installed on the top surface of the top seat 12. The output shaft of the hydraulic component 21 is connected to the pressure plate 2, so that the hydraulic component 21 can drive the pressure plate 2 to reciprocate up and down (the hydraulic component 21 is a relatively mature existing technology and is common knowledge to those skilled in the art, so it will not be described in detail in this utility model).

[0019] The main door 3 is rotatably located on one side of the top surface of the base 1. With the center of the base 1 as the center, two secondary doors 4 and a final door 5 are arranged in a clockwise (or counterclockwise) direction along the main door 3 (i.e., one end of the main door 3 is engaged with the secondary door 4, and the other end is engaged with the final door 5). The main door 3, secondary door 4, and final door 5 are all hinged to the supporting column 11. The main door 3, secondary door 4, and final door 5 are all slidably connected to the auxiliary seat 7 (i.e., the main door 3, secondary door 4, and final door 5 are all provided with guide grooves, and the auxiliary seat 7 is fixedly connected to the guide bar that engages with the guide groove), so that the auxiliary seat 7 can move horizontally relative to the main door 3 (or secondary door 4, final door 5). The auxiliary seat 7 is rotatably connected to the rotary lock 71.

[0020] Four fixed seats 6 are fixedly connected to the support columns 11. The fixed seats 6 and the support columns 11 correspond one-to-one. Each fixed seat 6 is slidably connected to a sliding latch 61 (the connection method is the same as that between the main door 3 and the auxiliary seat 7). The sliding latch 61 can move horizontally relative to the fixed seat 6. When the rotating lock 71 and the sliding latch 61 cooperate with each other, and the sliding latch 61 moves away from the rotating lock 71 it cooperates with, the main door 3 (or the auxiliary door 4, the end door 5) can be locked. An extension plate 72 is fixedly connected to one side wall of the auxiliary seat 7 on the main door 3 and the two auxiliary doors 4. The extension plate 72 is located on the side wall of the auxiliary seat 7 away from the fixed seat 6 that it cooperates with. A locking band 73 is provided between the extension plate 72 and the sliding lock 61 between the main door 3 and the auxiliary door 4, between adjacent auxiliary doors 4, and between the auxiliary door 4 and the end door 5. (That is, one end of the locking band 73 is fixedly connected to the extension plate 72, and the other end of the locking band 73 is fixedly connected to the sliding lock 61.)

[0021] A locking link 9 is mounted on a support column 11 that cooperates with the main door 3. One end of the locking link 9 is rotatably connected to the support column 11, allowing the locking link 9 to rotate vertically relative to the support column 11. A locking groove is provided on a sliding latch 61 located on the same support column 11 as the locking link 9. The locking groove includes a straight section and an inclined section, with the straight section located at the bottom of the inclined section. When the locking link 9 rotates and engages with the locking groove, the sliding latch 61 moves away from the auxiliary seat 7 it engages with under the action of the inclined section, causing the auxiliary seat 7 to move horizontally in sync. When the locking link 9 engages with the straight section, the auxiliary seat 7 abuts against the side wall of the main door 3, thereby locking the main door 3.

[0022] See Figures 1-2 Preferably, each sliding latch 61 has a locking groove, and each rotating lock 71 has a hook that cooperates with the locking groove. The hook is in the shape of a barb, which can prevent the rotating lock 71 from disengaging from the sliding latch 61 during use.

[0023] See Figures 1-2 Preferably, the locking band 73 is made of a flexible material and has strong tensile strength, and the locking band 73 has little or no elastic deformation ability.

[0024] See Figures 1-2 Preferably, the side walls of the support column 11, the main door 3 and the secondary door 4 are all rotatably connected to guide shafts 8 that cooperate with the locking belt 73, and the guide shafts 8 can provide guidance for the locking belt 73.

[0025] In the implementation of this utility model: the user first rotates the main door 3, the secondary door 4, and the last door 5 to the closed state, then engages the sliding latch 61 with the rotating lock 71 one by one, and then rotates the locking link 9 downwards. The locking link 9 engages with the locking groove. When the locking link 9 engages with the inclined section, it drives the sliding latch 61 that engages with the main door 3 to move away from the main door 3, thereby driving the auxiliary seat 7 and the extension plate 72 that engage with the sliding latch 61 to move synchronously. At the same time, under the action of the locking band 73, several sliding latches 61 move synchronously. When the locking link 9 engages with the straight section, the auxiliary seat 7 abuts against the end side wall of the main door 3 (or the secondary door 4, the last door 5), realizing the synchronous locking of the main door 3, the secondary door 4, and the last door 5.

[0026] This utility model provides a door lock for a hydraulic baler. By incorporating a sliding latch, a rotating locking element, and a locking strap, it enables simultaneous opening and closing of side doors in multiple directions, reducing adjustment time and improving work efficiency. Simultaneously, it ensures a reliable locking effect, preventing accidental opening of side doors during operation and enhancing the device's safety. Furthermore, the device has a simple structure and low manufacturing cost. In summary, the beneficial effects of this utility model are: it enables simultaneous opening and closing of multiple side doors while ensuring a reliable locking effect, improving work efficiency and safety, and meeting user needs.

[0027] Of course, there may be many other embodiments of this utility model. Without departing from the spirit and essence of this utility model, those skilled in the art can make corresponding changes and modifications based on this utility model, but these corresponding changes and modifications should all fall within the protection scope of the appended claims of this utility model.

Claims

1. A door lock for a hydraulic baler, characterized in that, include: The base has supporting columns at each of the four corners of its top surface. The main door is rotatably located on one side of the top surface of the base. With the center of the base as the center, two secondary doors and a final door are arranged sequentially along the main door. Each of the main door, secondary doors, and final door is slidably provided with an auxiliary seat, and each of the auxiliary seats is rotatably provided with a rotary lock. Each of the supporting columns is provided with a fixed seat, and each fixed seat is provided with a sliding latch that cooperates with the rotary lock. One end of the auxiliary seat on the main door and the secondary door is connected to an extension plate. Locking bands are provided between the extension plates and the sliding latches between the main door and the secondary door, between adjacent secondary doors, and between the secondary door and the end door. A locking link is rotatably mounted on a support column that cooperates with the main door, and one of the sliding latches is provided with a locking groove that cooperates with the locking link.

2. The hydraulic baler door lock according to claim 1, characterized in that, The locking groove includes a straight section and an inclined section, with the straight section located at the bottom end of the inclined section.

3. The hydraulic baler door lock according to claim 1, characterized in that, Each sliding latch has a locking groove, and each rotating lock has a claw that cooperates with the locking groove. The claws are all in the shape of barbs.

4. The hydraulic baler door lock according to claim 1, characterized in that, The supporting columns, main door, and auxiliary door are all equipped with guide shafts that rotatably engage with the locking straps on their side walls.

5. The hydraulic baler door lock according to claim 1, characterized in that, The main door, auxiliary door, and end door are all provided with guide grooves on their surfaces, and the auxiliary seat is provided with guide strips that cooperate with the guide grooves. The connection method between the sliding lock and the fixed seat is the same as the connection method between the auxiliary seat and the main door.

6. The hydraulic baler door lock according to claim 2, characterized in that, When the locking link engages with the inclined section, the sliding latch moves away from the main door; when the locking link engages with the straight section, the auxiliary seat abuts against the end side wall of the main door.

Citation Information

Patent Citations

  • Novel hydraulic baling press lock

    CN207245432U