Window type cargo elevator
By combining the lifting support and door sealing components, the problem of easy injury and maintenance difficulties caused by the door sealing of window-type freight elevators is solved, achieving stable operation and improved safety, and facilitating installation and maintenance.
Patent Information
- Application Number
- CN202422732545.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The existing window-type freight elevators have a door sealing structure that can easily cause injuries to people, and are difficult to install and maintain, especially in confined spaces where maintenance is particularly inconvenient when the elevator malfunctions.
The system adopts a combined design of lifting bracket, drive assembly and sealing assembly. The drive motor controls the lifting of the cargo box, the screw drives the sealing plate to open and close the window, and the proximity switch detects the position. Combined with the counterweight block to reduce the driving force, it can achieve smooth operation and safe door closing.
This has resulted in smoother elevator operation and improved safety. The door closing mechanism is orderly and stable, simplifying the installation and maintenance process and enhancing safety during use.
Smart Images

Figure CN223920822U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a cargo elevator technical field, concretely is a window type cargo elevator. BACKGROUND
[0002] The window type cargo elevator is generally used in small cargo transportation of adjacent floors, saves time and human resources for users greatly, and can be used in departments such as hotel, kitchen, mess hall, restaurant, kindergarten, shopping mall and factory to convey goods such as food, tableware and daily necessities.
[0003] The elevator adopts the window structure, personnel can more frequently explore into the cargo compartment to take out goods, and the door of the existing elevator is generally of the upper and lower separation type opening and closing structure, the door is closed fast, personnel are easily injured, and the window type cargo elevator is generally installed in a narrow pipe well, if the elevator fails, maintenance is more difficult, therefore, an elevator structure with high stability and safety is required. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem to provide a window type cargo elevator stable in operation, safe in use and convenient to install and maintain to solve the problems in the above background.
[0005] The utility model solves the technical problem and adopts the following technical scheme to realize it: a window type cargo elevator, including lifting support, cargo compartment and counterweight slidingly installed on the lifting support, door closing assembly for opening and closing the window arranged on one side of the lifting support, the upper end of the lifting support is provided with driving assembly for driving the cargo compartment to move up and down, the lifting support includes bottom plate and top plate, T-shaped channel steel plate arranged between the bottom plate and the top plate, the outer side of the cargo compartment and the counterweight is respectively provided with sliding sleeve, and the sliding sleeve is slidingly installed on the channel steel plate to limit the cargo compartment and the counterweight and prevent them from shaking.
[0006] The door closing assembly includes sliding rail piece, closing plate installed on the sliding rail piece and screw rod for driving the closing plate to move up and down, the sliding rail piece is symmetrically installed on the front end of the lifting support, the closing plate is clamped on the sliding rail piece on both sides and is slidingly connected, and the screw rod is rotatably installed on the stand and is in transmission connection with the lifting motor on one side of the stand.
[0007] As a further scheme of the utility model:
[0008] The upper end of the top plate is further provided with controller, and the controller is in electric connection with the driving assembly and the door closing assembly to control the action of the driving assembly and the door closing assembly.
[0009] As a further scheme of the utility model:
[0010] The slide rail component includes a slide plate and a connecting plate for fixing the slide plate to the channel steel plate. The slide plate has a groove corresponding to the sealing plate, and pulleys are installed in the groove. The two sides of the sealing plate are respectively inserted into the groove to limit the sealing plate.
[0011] As a further embodiment of this utility model:
[0012] The sealing plate is provided with a push plate corresponding to the screw, and a threaded sleeve that is threadedly connected to the screw is fixed on the push plate so that the sealing plate can be driven to move up and down in the slide groove by the screw.
[0013] As a further embodiment of this utility model:
[0014] The upright frame is equipped with a first proximity switch on each side corresponding to the push plate to detect the position of the push plate. A second proximity switch is installed on the upper end of the upright frame facing the cargo box to detect the position of the cargo box.
[0015] As a further embodiment of this utility model:
[0016] The drive assembly includes bearing seats mounted on both sides of the top plate and a drive shaft rotatably mounted on the bearing seats. A drive gear is fixedly installed on the drive shaft between the bearing seats. The drive gear is connected to the cargo box and the counterweight via a chain. One side of the drive shaft is connected to a drive motor, and the other side is connected to a brake. The top plate has corresponding slots for the chain. One end of the chain is connected to the cargo box, and the other end is connected to the counterweight, so that the counterweight can offset part of the weight of the cargo box and reduce the driving force of the motor.
[0017] Compared with existing technologies, the advantages of this invention are as follows: The drive motor drives the drive gear to rotate via the drive shaft, which in turn pulls the cargo box up and down via a chain. The second proximity switch is used to detect the cargo box's positioning, and the drive shaft can be fixed by a brake, stopping the cargo box at the window. The lifting motor controls the screw to rotate, which in turn drives the sealing plate to move up and down within a slide groove via a push plate, thereby opening and closing the window for easy loading and unloading of goods. This device has a simple structure, runs smoothly, and the sealing plate closes orderly and stably under the drive of the screw. A safety light curtain can be installed on the sealing plate to improve safety. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;
[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;
[0020] Figure 3 This is a schematic diagram of the sealing component structure of this utility model;
[0021] The diagram shows the following components: 1. Lifting bracket; 2. Cargo box; 3. Counterweight; 4. Door sealing assembly; 5. Drive assembly; 11. Base plate; 12. Top plate; 13. Channel steel plate; 14. Sliding sleeve; 15. Controller; 16. First proximity switch; 17. Second proximity switch; 41. Sealing plate; 42. Screw; 43. Upright frame; 44. Lifting motor; 45. Slide plate; 46. Connecting plate; 47. Slide groove; 48. Pulley; 49. Push plate; 51. Bearing seat; 52. Drive shaft; 53. Drive gear; 54. Drive motor; 55. Brake; 56. Chain. Detailed Implementation
[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.
[0023] like Figures 1 to 3 As shown,
[0024] This embodiment provides a window-type freight elevator, including a lifting support 1, a cargo car 2 and a counterweight 3 slidably mounted on the lifting support 1, and a door sealing assembly 4 disposed on one side of the lifting support 1 for opening and closing the window. The upper end of the lifting support 1 is provided with a driving assembly 5 for driving the cargo car 2 to move up and down. The lifting support 1 includes a base plate 11 and a top plate 12, and a T-shaped channel steel plate 13 distributed between the base plate 11 and the top plate 12. The outer sides of the cargo car 2 and the counterweight 3 are respectively provided with sliding sleeves 14, which are slidably mounted on the channel steel plate 13 to limit the movement of the cargo car 2 and the counterweight 3 and prevent them from shaking.
[0025] The door sealing assembly 4 includes a slide rail and a sealing plate 41 installed on the slide rail, and a screw 42 that drives the sealing plate 41 to move up and down. The slide rail is symmetrically installed on both sides of the front end of the lifting bracket 1. The sealing plate 41 is slidably connected to the slide rail on both sides. The screw 42 is rotatably installed on the upright 43 and is connected to the lifting motor 44 on one side of the upright 43.
[0026] In this embodiment, a controller 15 is also installed on the upper end of the top plate 12. The controller 15 is electrically connected to the drive component 5 and the door sealing component 4 to control the operation of the drive component 5 and the door sealing component 4.
[0027] The slide rail component includes a slide plate 45 and a connecting plate 46 that fixes the slide plate 45 to the channel steel plate 13. The slide plate 45 has a groove 47 corresponding to the sealing plate 41. Pulleys 48 are installed in the groove 47. The two sides of the sealing plate 41 are respectively inserted into the groove 47 to limit the sealing plate 41.
[0028] The sealing plate 41 is provided with a push plate 49 corresponding to the screw 42. A threaded sleeve that is threadedly connected to the screw 42 is fixed on the push plate 49 so that the sealing plate 41 can be driven to move up and down in the slide groove 47 by the screw 42.
[0029] In this embodiment, a first proximity switch 16 is provided on each side of the upright frame 43 corresponding to the push plate 49 to detect the position of the push plate 49, and a second proximity switch 17 is installed on the upper end of the upright frame 43 facing the cargo box 2 to detect the position of the cargo box 2.
[0030] In this embodiment, the drive assembly 5 includes bearing seats 51 mounted on both sides of the top plate 12 and a drive shaft 52 rotatably mounted on the bearing seats 51. A drive gear 53 is fixedly mounted on the drive shaft 52 between the bearing seats 51. The drive gear 53 is connected to the cargo box 2 and the counterweight 3 via a chain 56. One side of the drive shaft 52 is connected to the drive motor 54, and the other side is connected to the brake 55. The top plate 12 has corresponding slots for the chain 56. One end of the chain 56 is connected to the cargo box 2, and the other end is connected to the counterweight 3, so that the counterweight 3 can offset part of the weight of the cargo box 2 and reduce the driving force of the motor.
[0031] The working principle of this utility model is as follows: the drive motor 54 drives the drive gear 53 to rotate via the drive shaft 52, which in turn pulls the cargo box 2 to move up and down via the chain 56. The second proximity switch 17 is used to detect the position of the cargo box 2, and the drive shaft 52 can be fixed by the brake 55, so that the cargo box 2 stops at the window. The lifting motor 44 controls the screw 42 to rotate, which drives the sealing plate 41 to move up and down in the slide groove 47 via the push plate 49, thereby opening and closing the window to facilitate personnel to pick up and put down goods. The device has a simple structure and runs smoothly. The sealing plate 41 closes the door in an orderly and stable manner under the drive of the screw 42. A safety light curtain can be installed on the sealing plate 41 to improve safety.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
Claims
1. A window-type freight elevator, comprising a lifting support, a freight car and a counterweight slidably mounted on the lifting support, and a door sealing assembly disposed on one side of the lifting support for opening and closing the window, wherein the upper end of the lifting support is provided with a drive assembly for driving the freight car to move up and down, characterized in that: The lifting support includes a base plate and a top plate, and a T-shaped channel steel plate distributed between the base plate and the top plate. The outer sides of the cargo box and the counterweight are respectively provided with sliding sleeves, which are slidably installed on the channel steel plate to limit the movement of the cargo box and the counterweight. The sealing assembly includes a slide rail component, a sealing plate mounted on the slide rail component, and a screw that drives the sealing plate to move up and down. The slide rail components are symmetrically installed on both sides of the front end of the lifting bracket. The sealing plate is slidably connected to the slide rail components on both sides. The screw is rotatably installed on the upright and is connected to the lifting motor on one side of the upright.
2. The window-type freight elevator according to claim 1, characterized in that: A controller is also installed at the upper end of the top plate. The controller is electrically connected to the drive assembly and the sealing assembly to control the operation of the drive assembly and the sealing assembly.
3. The window-type freight elevator according to claim 2, characterized in that: The slide rail component includes a slide plate and a connecting plate for fixing the slide plate to the channel steel plate. The slide plate has a groove corresponding to the sealing plate, and pulleys are installed in the groove. The two sides of the sealing plate are respectively inserted into the groove to limit the sealing plate.
4. The window-type freight elevator according to claim 3, characterized in that: The sealing plate is provided with a push plate corresponding to the screw, and a threaded sleeve that is threadedly connected to the screw is fixed on the push plate so that the sealing plate can be driven to move up and down in the slide groove by the screw.
5. The window-type freight elevator according to claim 4, characterized in that: The upright frame is equipped with a first proximity switch on each side corresponding to the push plate to detect the position of the push plate. A second proximity switch is installed on the upper end of the upright frame facing the cargo box to detect the position of the cargo box.
6. The window-type freight elevator according to claim 2, characterized in that: The drive assembly includes bearing seats mounted on both sides of the top plate and a drive shaft rotatably mounted on the bearing seats. A drive gear is fixedly installed between the bearing seats on the drive shaft. The drive gear is connected to the cargo box and the counterweight via a chain. One side of the drive shaft is connected to a drive motor, and the other side is connected to a brake. The top plate has corresponding slots for the chain. One end of the chain is connected to the cargo box, and the other end is connected to the counterweight.