Cold storage forklift door lock device
By designing a circular boss and a side door fixing bracket in the door lock device of the cold storage forklift door lock device, the impact of condensate on the door lock is solved, the sealing and reliability of the door lock is achieved, and the problems of condensate solidification and corrosion are avoided.
Patent Information
- Application Number
- CN202422013624.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-08-19
AI Technical Summary
When cold storage forklifts operate alternately under low temperature and room temperature environments, condensate water easily solidifies, making it difficult to open the door lock and cause corrosion to the door lock.
A cold storage forklift door lock device is designed, including the door lock inner plate, the forklift side door, a circular boss and a side door fixing bracket. The circular boss and gasket are installed through screw holes to form a closed structure to prevent condensation water from entering the lock core, and the door lock is kept away from the forklift side door through the side door fixing bracket, enhancing the sealing.
Effectively prevent the impact of condensate on the door lock, ensure the sealing and reliability of the door lock, and avoid the difficulty in opening and corrosion of the door lock caused by the solidification of condensate.
Smart Images
Figure CN223163136U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of forklifts, in particular to a cold storage forklift door lock device. Background Art
[0002] In the market, the working temperature of cold storage logistics is commonly -18°C to -30°C freezer, and even lower is -60°C ultra-low temperature cold storage. The handling of goods in the cold storage requires professional cold storage forklifts to complete. Due to the huge temperature difference between the cold storage and the outdoors, the outdoor environment temperature is high, and the cold storage forklift needs to work alternately in low-temperature and normal-temperature environments. When the cold storage forklift exits the warehouse, it is very easy to generate condensed water in this case.
[0003] Therefore, the forklift works alternately in the cold storage and normal-temperature environments. When the common side door lock of the cold storage forklift encounters condensed water, the door lock will freeze during the alternating operation, which will cause the door to be difficult to open. At the same time, the condensed water will also corrode the door lock. Summary of the Utility Model
[0004] The utility model aims to solve at least one of the technical problems in the related art to some extent. For this reason, an object of the utility model is to provide a cold storage forklift door lock device with good sealing performance, which can effectively avoid the influence of condensed water on the door lock.
[0005] The cold storage forklift door lock device proposed by the utility model includes a door lock inner plate and a forklift side door. A side door fixing bracket is welded on the surface of the forklift side door, and a circular boss is fixed on the surface of the forklift side door. The circular boss includes a first round platform and a second round platform. The second round platform is integrally formed at the center top of the first round platform. Through holes are opened at both ends of the surface of the first round platform, and a gasket is installed inside the first round platform and located below the second round platform.
[0006] Preferably, a square connecting rod passing through the forklift side door is movably connected to the surface of the door lock inner plate. A door lock inner handle is connected to the surface of the square connecting rod by a shaft hub connection. A lock spring is installed inside the door lock inner plate. A lock core cooperating with the door lock inner handle and the lock spring is movably connected inside the door lock inner plate. A door lock outer handle fixed to the square connecting rod is arranged inside the circular boss. A door lock outer plate is installed at one end of the door lock inner plate, and a side door fixing bracket is fixedly installed on the surface of the door lock outer plate.
[0007] Preferably, several bolts penetrate through the door lock inner plate, the door lock outer plate and the side door fixing bracket, and nuts are threadedly connected to the outer surfaces of the several bolts.
[0008] Preferably, a rectangular cushion block adhered to the door lock inner plate is arranged between the door lock inner plate and the door lock outer plate.
[0009] Preferably, a locking bracket cooperating with the lock core is welded on the surface of the forklift side door.
[0010] Preferably, a door lock cover is connected to the surface of the forklift side door by means of a threaded connection.
[0011] The beneficial effects in the present utility model are as follows: A closed door lock condition is formed by the circular boss and the gasket, and the door lock is kept away from the forklift side door by the side door fixing bracket, which is an important guarantee for preventing condensed water from flowing back to the lock core. At the same time, the installation of the circular boss is more convenient through the screw holes, so as to achieve convenient installation and good sealing performance, and effectively avoid the influence of condensed water on the door lock. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic structural diagram of the door lock assembly of the cold storage forklift door lock device proposed by the present utility model.
[0013] Figure 2 It is a schematic structural diagram of the door lock assembly of the cold storage forklift door lock device without the outer door lock plate proposed by the present utility model.
[0014] Figure 3 It is a schematic structural diagram of the door lock assembly of the cold storage forklift door lock device without the inner door lock plate proposed by the present utility model.
[0015] Figure 4 It is a schematic structural diagram of the installation structure of the door lock side door of the cold storage forklift door lock device proposed by the present utility model.
[0016] Figure 5 It is a schematic structural diagram of the circular boss of the cold storage forklift door lock device proposed by the present utility model.
[0017] In the figure: 1, inner door lock handle; 2, outer door lock handle; 3, circular boss; 4, inner door lock plate; 5, outer door lock plate; 6, nut; 7, lock core; 8, gasket; 9, rectangular cushion block; 10, bolt; 11, side door fixing bracket; 12, lock spring; 13, locking bracket; 14, door lock cover; 15, forklift side door; 16, square connecting rod; 30, first round platform; 31, second round platform; 32, screw hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] Refer to Figures 1-5, Cold storage forklift door lock device, including a door lock inner panel 4 and a forklift side door 15. A circular boss 3 is fixed on the surface of the forklift side door 15. The circular boss includes a first frustum 30, and a second frustum 31 is fixed on the top of the first frustum 30. Screw holes 32 are provided at the tops of the first frustum 30 and the second frustum 31. The circular boss 3 can be conveniently installed on the forklift side door 15 through the screw holes 32 and screws. A gasket 8 is fixed inside the first frustum 30 to increase its sealing performance through the gasket 8 and the circular boss 3. A side door fixing bracket 11 is fixed on the surface of the forklift side door 15 to keep the door lock away from the forklift side door 15, so that the condensed water condensed on the surface of the forklift side door 15 cannot enter the door lock interior. At the same time, the side door fixing bracket 11 also facilitates the installation of the door lock.
[0019] Refer to Figures 1-4 , A square connecting rod 16 passing through the forklift side door 15 is movably connected to the surface of the door lock inner panel 4. A door lock inner handle 1 is fixed on the surface of the square connecting rod 16. A lock spring 12 is fixed inside the door lock inner panel 4. A lock core 7 cooperating with the door lock inner handle 1 and the lock spring 12 is movably connected inside the door lock inner panel 4. By rotating the door lock inner handle 1, the lock core 7 is driven to move, so that the movement of the lock core 7 squeezes the lock spring 12. At this time, when the door lock inner handle 1 is released, the lock core 7 is reset by the self-elastic force of the lock spring 12. When the lock core 7 is reset, the door lock inner handle 1 is also driven to reset. There is a door lock outer handle 2 fixed to the square connecting rod 16 inside the circular boss 3. The rotation of the door lock inner handle 1 drives the square connecting rod 16 and the door lock outer handle 2 to rotate at the same time. A door lock outer panel 5 is installed at one end of the door lock inner panel 4. The lock core 7, the lock spring 12 and the door lock inner handle 1 are limited by the door lock inner panel 4 and the door lock outer panel 5.
[0020] Refer to Figures 1-4 , Several bolts 10 penetrate through the door lock inner panel 4, 5 and the side door fixing bracket 11. Nuts 6 are threadedly connected to the outer surfaces of the several bolts 10. The door lock inner panel 4, the door lock outer panel 5 and the side door fixing bracket 11 are fixedly connected through the bolts 10 and the nuts 6. A rectangular cushion block 9 fixed to the door lock inner panel 4 is arranged between the door lock inner panel 4 and the door lock outer panel 5. The rectangular cushion block 9 can increase the sealing performance between the door lock inner panel 4 and the door lock outer panel 5. A locking bracket 13 cooperating with the lock core 7 is fixed on the surface of the forklift side door 15. The closing function is realized through the locking bracket 13 and the lock core 7. A door lock cover 14 is fixed on the surface of the forklift side door 15 to protect the device through the door lock cover 14.
[0021] When using this device, when the driver prepares to enter the cab, he turns the door lock outer handle 2. At this time, the door lock outer handle 2, due to its interaction with the square connecting rod 16, will synchronously drive the door lock inner handle 1 to rotate. Then, due to the rotation of the door lock inner handle 1, the structure of the door lock inner handle 1 will drive the lock cylinder 7 to move backward, and the forklift side door 15 will be opened. Similarly, when the driver exits the cab, he only needs to turn the door lock inner handle 1 to drive the lock cylinder 7 backward, releasing the interaction with the locking bracket 13, and thus opening the forklift side door 15. When the door lock inner handle 1 is released, the elastic potential energy of the lock spring 12 is converted into mechanical energy for the lock cylinder 7 to move forward. At this time, the lock cylinder 7 will cooperate with the locking bracket 13 to close the forklift side door 15.
Claims
1. Cold storage forklift door lock device, characterized in that: It includes an inner door lock plate and a forklift side door. A side door fixing bracket is welded on the surface of the forklift side door. A circular boss is fixed on the surface of the forklift side door. The circular boss includes a first frustum and a second frustum. The second frustum is integrally formed at the center top of the first frustum. Through screw holes are opened at both ends of the surface of the first frustum. A gasket located below the second frustum is installed inside the first frustum.
2. The cold storage forklift door lock device according to claim 1, characterized in that: A square connecting rod passing through the forklift side door is movably connected to the surface of the inner door lock plate. A door lock inner handle is shaft-hub connected to the surface of the square connecting rod. A lock spring is installed inside the inner door lock plate. A lock core that cooperates with the door lock inner handle and the lock spring is movably connected inside the inner door lock plate. A door lock outer handle fixed to the square connecting rod is inside the circular boss. A door lock outer plate is installed at one end of the inner door lock plate. A side door fixing bracket is fixedly installed on the surface of the door lock outer plate.
3. The cold storage forklift door lock device according to claim 1, characterized in that: Several bolts penetrate through the inner door lock plate, the door lock outer plate and the side door fixing bracket. Nuts are threadedly connected to the outer surfaces of the several bolts.
4. The cold storage forklift door lock device according to claim 2, characterized in that: A rectangular cushion block adhered to the inner door lock plate is arranged between the inner door lock plate and the door lock outer plate.
5. The cold storage forklift door lock device according to claim 2, wherein: A locking bracket that cooperates with the lock core is welded on the surface of the forklift side door.
6. The cold storage forklift door lock device according to claim 1, characterized in that: A door lock cover is threadedly connected to the surface of the forklift side door.