Mailbox with adjustable height

The height-adjustable mailbox addresses door obstruction and water contact issues through a motor-driven lifting and closing mechanism, ensuring easy operation and reliable door closure.

CN222237373UActive Publication Date: 2024-12-27M&X ENTERPRISE CO LTD
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Patent Information

Application Number
CN202420923863.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2024-12-27
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

Existing height-adjustable mailboxes face issues with pressure wheels being easily blocked by damaged doors, complicating resetting and affecting door closure, and are prone to water contact due to fixed positioning.

Method used

A height-adjustable mailbox design featuring a lifting mechanism driven by a first motor and a door closing mechanism with a second motor, allowing the mailbox body to be raised or lowered and ensuring the door can be easily reset without obstruction, using a combination of gears and springs to facilitate smooth operation.

Benefits of technology

The design enables easy installation and disassembly of the mailbox, prevents water contact, and ensures reliable door closure by avoiding pressure wheel obstruction, enhancing usability and functionality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mailboxes, and discloses a height-adjustable mailbox which comprises a base, a mailbox body is slidably mounted in the base, a top plate is fixedly mounted at the top of the mailbox body, an adjusting mechanism is arranged in the base, a door closing mechanism is arranged at the top of the top plate, and a door opening mechanism is arranged at the top of the door closing mechanism. Through the arranged adjusting mechanism, in the using process, a first motor is started, a lifting plate is conveniently driven to ascend and descend, so that a placing plate and the mailbox body are conveniently driven to ascend and descend, the situation that accumulated water on the road surface makes contact with the mailbox body is avoided, and limiting work on a clamping rod is conveniently relieved by pulling a shifting block; and by starting a second motor, a pressing wheel can be conveniently driven to move, and under the cooperation of a sliding column and a second spring, the box door can be conveniently closed.
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Description

Technical Field

[0001] The utility model relates to the technical field of letter boxes, in particular to a letter box with adjustable height. Background Art

[0002] As one of the supporting products for newly built residential areas and office buildings, mailboxes are not only an important carrier for users to receive mails and various bills. With the continuous upgrading of products and the introduction of new surface treatment methods, people are increasingly inclined to use them as a decoration of buildings while meeting their functions.

[0003] According to the description of a height-adjustable mailbox structure disclosed in the patent website (authorization announcement number: CN 218304450U), "the utility model relates to a height-adjustable mailbox structure, wherein the left and right side walls of the mailbox body are symmetrically welded with end plates; the outer wall of the end plate is sleeved with a card seat; the inner side wall of the card seat is symmetrically provided with a limited card slot; the outer wall of the end plate is welded with a limited slider; the limited slider is clamped in the limited card slot; the left and right side walls of the end plate are symmetrically welded with a rack; the left and right side walls of the card seat are symmetrically welded with a driving motor; the transmission end of the driving motor is butt-jointed with a gear plate; the gear plate and the rack are clamped together; the upper end surface of the mailbox body is welded with a ceiling; the upper end surface of the ceiling is penetrated with a slide groove; the upper end surface of the ceiling is placed with an auxiliary door closing mechanism; the lower front side wall of the card seat is installed with a liquid level sensor; the utility model can provide a height-adjustable mailbox structure that is not easily eroded by rainwater and has a door body auxiliary closing mechanism."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use of the utility model, the pressure wheel is driven by the electric control vehicle to move in the horizontal direction, so that the pressure wheel can close the unclosed door body, and at the same time, with the tension of the spring, the pressure wheel can press the door body tightly to avoid the situation that the door body is not closed tightly. However, in actual use, it is necessary to move the pressure wheel to the left to reset the pressure wheel. When the door body is damaged and cannot be closed, the pressure wheel is easily blocked by the unclosed door body, which affects the resetting work of the pressure wheel and has certain limitations. Therefore, it is necessary to improve a height-adjustable mailbox to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a mailbox with adjustable height to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a height-adjustable mailbox, comprising a base, a mailbox body slidably mounted inside the base, a top plate fixedly mounted on the top of the mailbox body, an adjustment mechanism disposed inside the base, and a closing mechanism disposed on the top of the top plate.

[0008] The adjustment mechanism comprises a lifting component and a limiting component. The lifting component is arranged inside the base, and the limiting component is arranged inside the base.

[0009] Preferably, the lifting assembly includes a first motor, the first motor is fixedly mounted on the left end of the base, a bidirectional threaded rod is fixedly mounted on the output end of the first motor, the bidirectional threaded rod is rotatably mounted on the base, a threaded seat is mounted on the external thread of the bidirectional threaded rod, the threaded seat is slidably mounted on the base, a rotating wheel is rotatably mounted inside the threaded seat, a lifting plate is slidably mounted inside the base, the rotating wheel is slidably mounted on the lifting plate, a slide plate is fixedly mounted on the front of the lifting plate, a placement plate is fixedly mounted on the front of the slide plate, the placement plate is slidably mounted on the base, to facilitate the lifting and lowering of the mailbox body.

[0010] Preferably, a through slot is provided inside the base at a position corresponding to the slide plate, and the slide plate is slidably installed in the through slot to facilitate the lifting and lowering of the slide plate.

[0011] Preferably, the limiting assembly includes a slider, which is slidably installed inside the base, a plug block is fixedly installed on the front of the slider, the plug block is slidably installed with the base, a shift block is fixedly installed on the outer side of the slider, a telescopic rod is fixedly installed on the back of the slider, the telescopic rod is fixedly installed with the base, a first spring is fixedly installed between the back of the slider and the base, a card rod is slidably installed inside the base, the card rod is slidably installed with the placement plate, and the card rod is slidably installed with the mailbox body, so as to facilitate the limiting work of the mailbox body.

[0012] Preferably, a groove is provided inside the clamping rod at a position corresponding to the inserting block, and the inserting block is inserted into the groove, so as to facilitate the limiting work of the clamping rod.

[0013] Preferably, the door closing mechanism includes a vertical plate, which is fixedly mounted on the top of the top plate, a second motor is fixedly mounted on the outer side of the vertical plate, a threaded column is fixedly mounted on the output end of the second motor, a threaded block is fixedly mounted on the external thread of the threaded column, an electric push rod is fixedly mounted on the top of the threaded block, and a push plate is fixedly mounted on the output end of the electric push rod, the push plate is slidably mounted on the top of the threaded block, a rack is fixedly mounted on the front side of the push plate, a gear is meshed on the outside of the rack, the gear is rotatably mounted on the top of the threaded block, a rotating plate is fixedly mounted on the bottom of the gear, the rotating plate and the threaded block are rotatably mounted, a sliding column is slidably mounted on the inside of the rotating plate, a pressure wheel is fixedly mounted on one end of the sliding column, and a second spring is fixedly mounted between the pressure wheel and the rotating plate to facilitate the closing of the box door.

[0014] Preferably, a through groove is provided inside the top plate at a position corresponding to the threaded block, and the threaded block is slidably installed in the through groove to facilitate the movement of the threaded block.

[0015] Compared with the prior art, the utility model provides a height-adjustable mailbox, which has the following beneficial effects:

[0016] 1. The height-adjustable mailbox, through the adjustment mechanism, can start the first motor to drive the lifting plate to move up and down during use, thereby driving the placement plate and the mailbox body to move up and down, avoiding contact between road surface water and the mailbox body, and by pulling the dial block, it is easy to release the limit of the card rod, so that the card rod is easy to move away from the mailbox body, and the mailbox body is convenient to install and disassemble.

[0017] 2. The height-adjustable letter box has a door closing mechanism. During use, the second motor is started to drive the pressure wheel to move, and the box door is closed with the cooperation of the slide column and the second spring. When the pressure wheel needs to be reset, the electric push rod is started to rotate the pressure wheel with the cooperation of the rack and the gear, so as to avoid the pressure wheel being blocked by the damaged box door. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the side structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the position relationship of the placement plate of the utility model;

[0022] Figure 4 This is a schematic diagram of the position relationship of the threaded seat of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0024] Figure 6 This is a schematic diagram of the position relationship of the door closing mechanism of the utility model;

[0025] Figure 7 This is a schematic diagram of the position relationship of the second spring of the utility model.

[0026] In the figure: 1, base; 2, mailbox body; 3, top plate; 4, adjustment mechanism; 41, lifting assembly; 411, first motor; 412, two-way threaded rod; 413, threaded seat; 414, rotating wheel; 415, lifting plate; 416, slide plate; 417, placement plate; 42, limit assembly; 421, slider; 422, plug block; 423, dial block; 424, telescopic rod; 425, first spring; 426, clamping rod; 5, door closing mechanism; 501, vertical plate; 502, second motor; 503, threaded column; 504, threaded block; 505, electric push rod; 506, push plate; 507, rack; 508, gear; 509, rotating plate; 510, slide column; 511, pressure wheel; 512, second spring. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Embodiment 1:

[0030] See also Figure 1-5 The utility model provides a technical solution: a height-adjustable mailbox, comprising a base 1, a mailbox body 2 is slidably mounted inside the base 1, a top plate 3 is fixedly mounted on the top of the mailbox body 2, an adjustment mechanism 4 is arranged inside the base 1, and a closing mechanism 5 is arranged on the top of the top plate 3.

[0031] The adjusting mechanism 4 includes a lifting assembly 41 and a limiting assembly 42 . The lifting assembly 41 is arranged inside the base 1 , and the limiting assembly 42 is arranged inside the base 1 .

[0032] Furthermore, the lifting component 41 includes a first motor 411, which is fixedly mounted on the left end of the base 1, and a bidirectional threaded rod 412 is fixedly mounted on the output end of the first motor 411, and the bidirectional threaded rod 412 is rotatably mounted on the base 1, and a threaded seat 413 is mounted on the external thread of the bidirectional threaded rod 412, and the threaded seat 413 is slidably mounted on the base 1, and a rotating wheel 414 is rotatably mounted on the inside of the threaded seat 413, and a lifting plate 415 is slidably mounted on the inside of the base 1, and the rotating wheel 414 is slidably mounted on the lifting plate 415, and a slide plate 416 is fixedly mounted on the front of the lifting plate 415, and a placement plate 417 is fixedly mounted on the front of the slide plate 416, and the placement plate 417 is slidably mounted on the base 1, so as to facilitate the lifting and lowering of the mailbox body 2.

[0033] Furthermore, a through slot is provided inside the base 1 at a position corresponding to the slide plate 416 , and the slide plate 416 is slidably installed in the through slot, so as to facilitate the lifting and lowering of the slide plate 416 .

[0034] Furthermore, the limiting component 42 includes a slider 421, which is slidably installed inside the base 1, a plug block 422 is fixedly installed on the front of the slider 421, and the plug block 422 is slidably installed with the base 1, a shift block 423 is fixedly installed on the outer side of the slider 421, a telescopic rod 424 is fixedly installed on the back of the slider 421, and the telescopic rod 424 is fixedly installed with the base 1, a first spring 425 is fixedly installed between the back of the slider 421 and the base 1, a card rod 426 is slidably installed inside the base 1, the card rod 426 is slidably installed with the placement plate 417, and the card rod 426 is slidably installed with the mailbox body 2, so as to facilitate the limiting work of the mailbox body 2.

[0035] Furthermore, a groove is provided inside the clamping rod 426 at a position corresponding to the inserting block 422 , and the inserting block 422 is inserted into the groove, so as to facilitate the limiting work of the clamping rod 426 .

[0036] Embodiment 2:

[0037] See also Figure 6-7, and combined with the first embodiment, it is further obtained that the door closing mechanism 5 includes a vertical plate 501, the vertical plate 501 is fixedly installed on the top of the top plate 3, the outer side of the vertical plate 501 is fixedly installed with a second motor 502, the output end of the second motor 502 is fixedly installed with a threaded column 503, the external thread of the threaded column 503 is installed with a threaded block 504, the top of the threaded block 504 is fixedly installed with an electric push rod 505, the output end of the electric push rod 505 is fixedly installed with a push plate 506, and the push plate 506 is slidably installed on the threaded block 504. A rack 507 is fixedly installed on the front of the push plate 506, and a gear 508 is meshed on the outside of the rack 507. The gear 508 is rotatably installed on the top of the threaded block 504. A rotating plate 509 is fixedly installed on the bottom of the gear 508. The rotating plate 509 and the threaded block 504 are rotatably installed. A sliding column 510 is slidably installed inside the rotating plate 509, and a pressure wheel 511 is fixedly installed on one end of the sliding column 510. A second spring 512 is fixedly installed between the pressure wheel 511 and the rotating plate 509 to facilitate the closing of the box door.

[0038] Furthermore, a through groove is provided inside the top plate 3 at a position corresponding to the threaded block 504 , and the threaded block 504 is slidably installed in the through groove, so as to facilitate the movement of the threaded block 504 .

[0039] In actual operation, when the device is used, the first motor 411 is started to move the threaded seat 413 on which the external thread of the bidirectional threaded rod 412 is installed, and the lifting plate 415 and the sliding plate 416 are moved upward with the cooperation of the rotating wheel 414, so that the placing plate 417 and the mailbox body 2 are moved upward, so that the mailbox body 2 is kept away from the accumulated water on the road. When the mailbox body 2 needs to be disassembled, the slider 421 is pressed against the first spring 425 by pulling the shifting block 423, so that the inserting block 422 is kept away from the clamping rod 426, and the clamping rod 426 is kept away from the mailbox body 2, thereby releasing the support of the mailbox body 2. The body 2 is limited and the mailbox body 2 is disassembled. When it is necessary to check whether the box door is closed, the second motor 502 is started to move the threaded block 504 installed with the external thread of the threaded column 503, so that the rotating plate 509 is moved. With the cooperation of the sliding column 510, the pressure wheel 511 and the second spring 512, the box door is pressed. When it is necessary to reset the pressure wheel 511, the electric push rod 505 is started to move the push plate 506 and the rack 507 forward, so that the gear 508 and the rotating plate 509 are rotated, so that the pressure wheel 511 is rotated, and the operation is repeated to move the pressure wheel 511 to the left.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A height-adjustable mailbox, comprising a base (1), characterized in that: A mailbox body (2) is slidably mounted inside the base (1), a top plate (3) is fixedly mounted on the top of the mailbox body (2), an adjustment mechanism (4) is arranged inside the base (1), and a closing mechanism (5) is arranged on the top of the top plate (3); The adjustment mechanism (4) comprises a lifting component (41) and a limiting component (42); the lifting component (41) is arranged inside the base (1); and the limiting component (42) is arranged inside the base (1); The lifting assembly (41) comprises a first motor (411), the first motor (411) is fixedly mounted on the left end of the base (1), a bidirectional threaded rod (412) is fixedly mounted on the output end of the first motor (411), the bidirectional threaded rod (412) is rotatably mounted on the base (1), a threaded seat (413) is mounted on the external thread of the bidirectional threaded rod (412), the threaded seat (413) is slidably mounted on the base (1), a rotating wheel (414) is rotatably mounted inside the threaded seat (413), a lifting plate (415) is slidably mounted inside the base (1), the rotating wheel (414) is slidably mounted on the lifting plate (415), a slide plate (416) is fixedly mounted on the front of the lifting plate (415), a placement plate (417) is fixedly mounted on the front of the slide plate (416), and the placement plate (417) is slidably mounted on the base (1); The limit assembly (42) comprises a slider (421), the slider (421) is slidably mounted inside the base (1), an insert block (422) is fixedly mounted on the front of the slider (421), the insert block (422) is slidably mounted with the base (1), a shift block (423) is fixedly mounted on the outer side of the slider (421), a telescopic rod (424) is fixedly mounted on the back of the slider (421), the telescopic rod (424) is fixedly mounted with the base (1), a first spring (425) is fixedly mounted between the back of the slider (421) and the base (1), a clamping rod (426) is slidably mounted inside the base (1), the clamping rod (426) is slidably mounted with the placement plate (417), and the clamping rod (426) is slidably mounted with the mailbox body (2).

2. A height-adjustable mailbox according to claim 1, characterized in that: A through slot is provided inside the base (1) at a position corresponding to the slide plate (416), and the slide plate (416) is slidably mounted in the through slot.

3. A height-adjustable mailbox according to claim 1, characterized in that: A groove is provided inside the clamping rod (426) at a position corresponding to the inserting block (422), and the inserting block (422) is inserted into the groove.

4. A height-adjustable mailbox according to claim 1, characterized in that: The door closing mechanism (5) comprises a vertical plate (501), wherein the vertical plate (501) is fixedly mounted on the top of the top plate (3), a second motor (502) is fixedly mounted on the outer side of the vertical plate (501), a threaded column (503) is fixedly mounted on the output end of the second motor (502), a threaded block (504) is mounted on the external thread of the threaded column (503), an electric push rod (505) is fixedly mounted on the top of the threaded block (504), a push plate (506) is fixedly mounted on the output end of the electric push rod (505), and the push plate (506) is slidably mounted on the top of the threaded block (504). A rack (507) is fixedly mounted on the front of the push plate (506), a gear (508) is meshed with the outside of the rack (507), the gear (508) is rotatably mounted on the top of the threaded block (504), a rotating plate (509) is fixedly mounted on the bottom of the gear (508), the rotating plate (509) and the threaded block (504) are rotatably mounted, a sliding column (510) is slidably mounted inside the rotating plate (509), a pressure wheel (511) is fixedly mounted on one end of the sliding column (510), and a second spring (512) is fixedly mounted between the pressure wheel (511) and the rotating plate (509).

5. A height-adjustable mailbox according to claim 4, characterized in that: A through groove is provided inside the top plate (3) at a position corresponding to the threaded block (504), and the threaded block (504) is slidably mounted in the through groove.