Manual lifting support

Abstract

The utility model relates to the technical field of lifting supports, and discloses a manual lifting support which comprises a metal plate support, a lifting assembly and a rotating shaft, the metal plate support is used for being matched with a group meal machine to be clamped and positioned, and the rotating shaft is used for connecting the lifting assembly and the metal plate support so that the metal plate support can be rotationally adjusted relative to the lifting assembly. The lifting assembly is used for manually conducting lifting adjustment on the metal plate support. The lifting assembly comprises an outer sleeve, an inner sleeve and a locking sleeve for locking the outer sleeve and the inner sleeve together; the closing sleeve is locked on the outer side face of the inner sleeve or the inner sleeve is unlocked by screwing the locking sleeve, so that lifting adjustment of the outer sleeve and the inner sleeve is achieved. A user can easily lock or unlock the inner sleeve and the outer sleeve by screwing the locking sleeve and utilizing the interaction of the inner thread and the outer thread, so that lifting adjustment is realized, most of the space of a lifting structure can be saved, and the lifting structure can be better applied to small electronic products.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lifting support, specifically relates to a manual lifting support. BACKGROUND

[0002] With the development of science and technology and the popularization of electronic equipment, higher requirements are put forward for the adjustability and space utilization efficiency of equipment. Especially in the field of group meal machines and mobile payment devices, due to the diversity of use scenarios and the demand for operation convenience, the traditional fixed support has been unable to meet the flexible use demand of these devices. Therefore, the height-adjustable lifting support emerges as the times require, which can adjust the equipment height according to user demand to adapt to different operation environments and user habits.

[0003] On group meal machines and mobile payment devices, the existing lifting support usually adopts the following forms:

[0004] Electric lifting support: realize lifting adjustment through motor-driven lead screw or gear mechanism. This support usually needs a power interface, and the structure is relatively complex.

[0005] Pneumatic lifting support: realize lifting adjustment by driving cylinder with gas pressure. This support needs a gas source, and there may be a certain hysteresis when adjusting the height.

[0006] Fixed height support: this is the simplest form, the support height is fixed and cannot be adjusted. This support is not flexible enough when used and cannot adapt to different use scenarios.

[0007] Manual mechanical lifting support: realize lifting adjustment by manually operating mechanical mechanism (such as hand lever, key, etc.). Although this support can be adjusted to a certain extent, the operation may not be intuitive, and the structure may be relatively complex.

[0008] Electric or pneumatic lifting support usually needs additional space to install motor or cylinder, and related control circuit or gas path, which makes the overall structure relatively large. Electric and pneumatic lifting support due to its complex mechanical structure or need additional energy input, resulting in high cost. The existing lifting support may need the user to operate several times to reach the required height, and the operation interface may not be intuitive. During the lifting process, electric or pneumatic lifting support may have the problem of insufficient stability, especially when adjusting to the limit position. Complex mechanical structure or pneumatic system may need more frequent maintenance, and the maintenance cost is higher.

[0009] In view of this, we propose a manual lifting support for small-space electronic equipment such as group meal machines and mobile payment devices, which is simple in design, intuitive in operation, saves space, and has lower cost, while providing stable locking mechanism and flexible adjustment ability. The utility model discloses the following technical scheme in order to realize the above object:

[0010] In order to make up for the deficiency of prior art, solve the problem that most of the existing lifting support adopts constant force spring or gas spring to realize lifting, and the required space is larger, so that the product applied is thick and heavy, and some small household appliances cannot be used, such as group meal machine and mobile payment equipment, the utility model provides a kind of manual lifting support.

[0011] To achieve the above object, the utility model provides the following technical scheme:

[0012] A kind of manual lifting support, including sheet metal support, lifting assembly and pivot, sheet metal support is U type sheet metal and is used to cooperate group meal machine clamping positioning, pivot is used to connect lifting assembly and sheet metal support, so that sheet metal support can be rotatably adjusted relative to lifting assembly, lifting assembly is used to manually lift sheet metal support and adjust;

[0013] Lifting assembly includes outer sleeve, inner sleeve matched with outer sleeve and lock sleeve that locks outer sleeve and inner sleeve together;The top of outer sleeve is fixed with the closeout sleeve with external thread part by buckle connection, the bottom of inner sleeve is fixed with the insertion sleeve inserted into the inner side of outer sleeve, the inner thread part on the inner wall of lock sleeve is connected with the external thread part of closeout sleeve by screwing, and closeout sleeve is locked on the outer side of inner sleeve or the locking of inner sleeve is released by rotating lock sleeve, to realize the lifting adjustment of outer sleeve and inner sleeve.

[0014] The inner wall of lock sleeve in lifting assembly is provided with internal thread, and the closeout sleeve at the top of outer sleeve is provided with external thread. The two components are connected by thread. When the user rotates the lock sleeve, the internal thread and the external thread interact, so that the lock sleeve moves upward or downward. When the lock sleeve moves upward and tightly abuts the outer side of the inner sleeve, the inner sleeve and the outer sleeve are locked together, and at this time, the height of the support is fixed. When the user wants to adjust the height, the lock sleeve is rotated to release the locking, and the inner sleeve can slide freely in the outer sleeve. The user manually pushes the inner sleeve to rise or fall to the required position in the outer sleeve. The inner sleeve is locked in the new position by rotating the lock sleeve again, and the lifting adjustment is completed.

[0015] As preferred, the two sides of the U-shaped sheet metal are respectively provided with limiting plates A which are not on the same side and cooperate with the group meal machine to limit, and the front and back sides of the U-shaped sheet metal are respectively provided with limiting plate B and limiting plate C which cooperate with the group meal machine to limit. It can ensure that the group meal machine can be positioned more stably when placed, and prevent the equipment from shaking left and right during operation.

[0016] As preferred, a through hole groove is formed in the bottom wall of the U-shaped sheet metal. It can be used for installing other accessories or connecting cable.

[0017] As preferred, the bottom of the U-shaped sheet metal is fixed with a U-shaped seat A through a screw A, and a plug plate extending into the inner sleeve is inserted into the side socket at the top end of the inner sleeve, and the plug plate is integrally formed with a U-shaped seat B, and the U-shaped seat A is rotationally connected with the U-shaped seat B through a rotating shaft. The U-shaped seat A and the U-shaped seat B connected through the rotating shaft allow the sheet metal support to be rotationally adjusted in the vertical direction, so that different operation requirements can be more flexibly adapted.

[0018] As preferred, the top inside of the inner sleeve is fixed with the plug plate on the inner sleeve through a screw B, and the top of the inner sleeve is clamped with a decorative cover for shielding and hiding the screw B. The decorative cover can shield the screw B, so that the overall appearance is more beautiful.

[0019] As preferred, the outer sleeve is fixed on the base through a screw C, and the screw C is threadedly connected together after penetrating through the base from the bottom of the base. The outer sleeve can be quickly disassembled for maintenance or replacement when needed.

[0020] Compared with the prior art, the technical effects and advantages of the utility model are:

[0021] The manual lifting support realizes lifting and rotational adjustment through a simple mechanical structure. The user can easily lock or unlock the inner sleeve and the outer sleeve by rotating the locking sleeve and utilizing the interaction between the internal thread and the external thread, so as to realize lifting adjustment. In addition, the U-shaped seat A and the U-shaped seat B connected through the rotating shaft allow the sheet metal support to be rotationally adjusted in the vertical direction, increasing the flexibility of use.

[0022] The manual lifting support adopts a stable threaded locking mechanism to ensure the stability of the support after adjustment, avoiding shaking and displacement during use. At the same time, manual operation is simple and intuitive, without the need for complex mechanical or pneumatic systems, saving space and reducing the need for energy input such as electricity or gas, making the overall structure more compact and suitable for limited space application scenarios. Most of the lifting structure space can be saved, and it can be better applied to small electronic products.

[0023] The manual lifting support has a simple structure, low cost, easy maintenance and replacement of parts. The design of the U-shaped sheet metal combined with the limiting plate not only provides stable equipment positioning, but also prevents the equipment from shaking left and right and moving forward and backward during operation, ensuring safety and accuracy during use. In addition, the design of the through-hole slot enhances air circulation, helps heat dissipation, and provides greater installation flexibility to meet the installation needs of different electronic devices. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the first perspective view of the utility model;

[0025] Figure 2 It is the second perspective view of the utility model;

[0026] Figure 3 is a disassembled view of the utility model;

[0027] Figure 4 is a structural schematic view of the metal plate support and the rotating shaft of the utility model;

[0028] Figure 5 is a structural schematic view of the lifting assembly of the utility model;

[0029] Figure 6 is a structural schematic view of the utility model with the inner sleeve being lowered to the lowest position and the group meal machine being inclined forward by -15°;

[0030] Figure 7 is a structural schematic view of the utility model with the inner sleeve being lowered to the lowest position and the group meal machine being inclined backward by 45°;

[0031] Figure 8 is a structural schematic view of the utility model with the inner sleeve being raised to the highest position and the group meal machine being inclined backward by 45°.

[0032] In the figure: 1, metal plate support; 101, limiting plate A; 102, limiting plate B; 103, limiting plate C; 104, through hole groove; 2, rotating shaft; 201, U-shaped seat A; 202, plug plate; 203, U-shaped seat B; 3, lifting assembly; 301, outer sleeve; 302, inner sleeve; 303, locking sleeve; 304, external thread part; 305, closing sleeve; 306, insertion sleeve; 307, side insertion port; 308, screw B; 309, decorative cover; 310, screw C; 4, base; 5, group meal machine. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] The drawings will be described below Figures 1-8 The application will be further described in detail;

[0035] The embodiment of the application discloses a manual lifting support which comprises a metal plate support 1, a lifting assembly 3 and a rotating shaft 2. The rotating shaft 2 is used for connecting the lifting assembly 3 and the metal plate support 1, so that the metal plate support 1 can be rotatably adjusted relative to the lifting assembly 3. The lifting assembly 3 is used for manually lifting and adjusting the metal plate support 1.

[0036] The sheet metal bracket 1 is U-shaped and is used to secure the group meal machine 5. Limiting plates A101, not on the same side, are located on both sides of the U-shaped sheet metal and are used to limit the movement of the group meal machine 5. Limiting plates B102 and C103, respectively, are located on the front and rear sides of the U-shaped sheet metal to limit the movement of the group meal machine 5. Limiting plates A101 are located on opposite sides of the U-shaped sheet metal to ensure stable positioning of the group meal machine 5 during placement, preventing lateral swaying during operation. Limiting plates B102 and C103, located on the front and rear sides of the U-shaped sheet metal, restrict the forward and backward movement of the group meal machine 5, enhancing stability and aiding in proper placement and securing of the equipment, ensuring safety and accuracy during use.

[0037] The bottom wall of the U-shaped sheet metal bracket has a through-hole groove 104. The through-hole groove 104 increases airflow inside the sheet metal bracket 1, which helps dissipate heat, especially important for electronic devices that may generate heat. The through-hole groove 104 can also be used to install other accessories or connect cables, providing greater installation flexibility.

[0038] The lifting assembly 3 includes an outer sleeve 301, an inner sleeve 302 that is inserted into the outer sleeve 301, and a locking sleeve 303 that locks the outer sleeve 301 and the inner sleeve 302 together. A closing sleeve 305 with an external thread 304 is fastened and fixed to the top of the outer sleeve 301. An insertion sleeve 306 that is inserted into the inner side of the outer sleeve 301 is fixed to the bottom of the inner sleeve 302. The locking sleeve 303 is threadedly connected to the external thread 304 of the closing sleeve 305 through the internal thread on its inner wall. By screwing the locking sleeve 303, the closing sleeve 305 is locked to the outer side of the inner sleeve 302 or the locking of the inner sleeve 302 is released, so as to realize the lifting and lowering adjustment of the outer sleeve 301 and the inner sleeve 302.

[0039] The bottom of the U-shaped sheet metal is fixed with a U-shaped seat A201 by screw A. An insert plate 202, extending into the inner sleeve 302, is inserted into the side insertion port 307 at the top of the inner sleeve 302. A U-shaped seat B203 is integrally formed on the insert plate 202. The U-shaped seat A201 is rotatably connected to the U-shaped seat B203 via a rotating shaft 2. The connection between the U-shaped seat A201 and the U-shaped seat B203 via the rotating shaft 2 allows the sheet metal support 1 to be rotated and adjusted vertically, thus providing greater flexibility to adapt to different operational needs.

[0040] like Figure 6 The diagram shows the structure of the group meal machine 5 tilted forward at -15° with the inner sleeve 302 at its lowest point. When the forward tilt angle is set to -15°, the operating interface of the group meal machine 5 will be more tilted towards the user, making it more convenient for the user to operate buttons or touch screens. This forward tilt angle provides a more comfortable operating posture and reduces user fatigue during long-term operation. The forward tilt design can prevent the group meal machine 5 from accidentally slipping during operation, increasing safety.

[0041] As shown in FIG. 5, the inner sleeve 302 is lowered to the lowest position, and the meal machine 5 is tilted back by 45°. Tilting back by 45° allows the screen or operation interface of the meal machine 5 to face the user, making it easier to display content and attract the attention of customers. This structure allows the meal machine 5 to better adapt to situations where space is limited, such as crowded restaurants or counters. The tilt angle can protect the device's buttons or screen from accidental touching or impact. Figure 7 As shown in FIG. 6, the inner sleeve 302 is raised to the highest position, and the meal machine 5 is tilted back by 45°. The design of tilting back by 45° can make the screen or operation interface of the meal machine 5 more inclined, making it easier for users to interact, especially when entering information or making payments, providing a more comfortable and intuitive experience. Tilting back the meal machine 5 can make the screen content face more users, especially in public places such as restaurants or exhibitions. This angle helps attract the attention of customers and display product information.

[0042] Figure 8 The top inside of the inner sleeve 302 is fixed to the inner sleeve 302 by screw B308, and the top of the inner sleeve 302 is inserted into the decorative cover 309 that hides the screw B308. The decorative cover 309 can hide the screw B308, making the overall appearance more beautiful and improving the product image. The decorative cover 309 can also protect the screw B308 from accidental touching or damage during use.

[0043] The outer sleeve 301 is fixed to the base 4 by screw C310, which is screwed together from the bottom of the base 4 through the base 4. By screwing C310 from the bottom of the base 4 through the base 4 and screwing together, it can ensure that the connection between the outer sleeve 301 and the base 4 is very stable, preventing displacement during operation. This fixing method facilitates quick disassembly of the outer sleeve 301 for maintenance or replacement when needed.

[0044] The inner wall of the locking sleeve 303 in the lifting assembly 3 is provided with internal threads, and the top of the outer sleeve 301 is provided with external threads. These two components are connected by threads. When the user rotates the locking sleeve 303, the internal threads interact with the external threads, causing the locking sleeve 303 to move up or down. When the locking sleeve 303 moves up and tightly fits the outside of the inner sleeve 302, the inner sleeve 302 and the outer sleeve 301 are locked together, and the height of the bracket is fixed. When the user wants to adjust the height, rotate the locking sleeve 303 to unlock, and the inner sleeve 302 can slide freely inside the outer sleeve 301. The user manually pushes the inner sleeve 302 to raise or lower it to the desired position inside the outer sleeve 301. Rotate the locking sleeve 303 again to lock the inner sleeve 302 in the new position, completing the height adjustment.

[0045] The inner wall of the locking sleeve 303 in the lifting assembly 3 is provided with internal threads, and the top of the outer sleeve 301 is provided with external threads. These two components are connected by threads. When the user rotates the locking sleeve 303, the internal threads interact with the external threads, causing the locking sleeve 303 to move up or down. When the locking sleeve 303 moves up and tightly fits the outside of the inner sleeve 302, the inner sleeve 302 and the outer sleeve 301 are locked together, and the height of the bracket is fixed. When the user wants to adjust the height, rotate the locking sleeve 303 to unlock, and the inner sleeve 302 can slide freely inside the outer sleeve 301. The user manually pushes the inner sleeve 302 to raise or lower it to the desired position inside the outer sleeve 301. Rotate the locking sleeve 303 again to lock the inner sleeve 302 in the new position, completing the height adjustment.​

[0046] Due to the use of manual height adjustment, there is no need for complex mechanical or pneumatic systems, so the overall structure is more compact, suitable for limited space application scenarios. Users can adjust the height of the support according to their needs to meet different usage requirements. Threaded connection provides a stable locking mechanism to ensure the stability of the support after adjustment. Manual operation is simple and intuitive, without the need for additional energy input such as electricity or gas, making it convenient for users to use. Compared with electric or pneumatic lifting systems, manual lifting supports have a simple structure and lower cost. This design is not only suitable for group meal machines 5 and mobile payment devices, but can also be extended to other electronic devices that require adjustable supports.

[0047] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A manual lift support, characterized by, The utility model relates to a group meal machine fixing device, which comprises: A metal sheet support (1) for matching and positioning a group meal machine (5), the metal sheet support (1) being a U-shaped metal sheet; A lifting assembly (3) and a rotating shaft (2), the rotating shaft (2) being used for connecting the lifting assembly (3) and the metal sheet support (1) so that the metal sheet support (1) can be rotatably adjusted relative to the lifting assembly (3), and the lifting assembly (3) being used for manually adjusting the metal sheet support (1) in height; The lifting assembly (3) comprises an outer sleeve (301), an inner sleeve (302) inserted into the outer sleeve (301), and a locking sleeve (303) for locking the outer sleeve (301) and the inner sleeve (302) together; a closing sleeve (305) with a threaded portion (304) is fixed on the top of the outer sleeve (301) by buckling, an insertion sleeve (306) is fixed on the bottom of the inner sleeve (302) and inserted into the inner side of the outer sleeve (301), and the locking sleeve (303) is threadedly connected with the threaded portion (304) of the closing sleeve (305) through an inner threaded portion on the inner wall of the locking sleeve (303); the closing sleeve (305) is locked on the outer side of the inner sleeve (302) or released from the locking of the inner sleeve (302) by rotating the locking sleeve (303), so as to realize the height adjustment of the outer sleeve (301) and the inner sleeve (302).

2. A height adjustable support as claimed in claim 1, wherein: The two sides of the U-shaped metal sheet are respectively provided with limiting plates A (101) which are not on the same side and match the group meal machine (5) for limiting, and the front and back sides of the U-shaped metal sheet are respectively provided with limiting plates B (102) and C (103) which match the group meal machine (5) for limiting.

3. A height adjustable support as claimed in claim 1, wherein: A through hole slot (104) is formed on the bottom wall of the U-shaped metal sheet.

4. A height adjustable support as claimed in claim 1, wherein: The bottom of the U-shaped metal sheet is fixed with a U-shaped seat A (201) through a screw A, a side insertion opening (307) at the top end of the inner sleeve (302) is inserted with an insertion plate (202) which extends into the inner sleeve (302), the insertion plate (202) is integrally formed with a U-shaped seat B (203), and the U-shaped seat A (201) is rotatably connected with the U-shaped seat B (203) through the rotating shaft (2).

5. A counterbalanced height adjustable table according to claim 4, wherein: The top inner side of the inner sleeve (302) is fixed with the insertion plate (202) through a screw B (308), and the top of the inner sleeve (302) is clamped with a decorative cover (309) for shielding and hiding the screw B (308).

6. A height adjustable support as claimed in claim 1, wherein: The outer sleeve (301) is fixed on the base (4) through a screw C (310), and the screw C (310) is threadedly connected together after penetrating through the base (4) from the bottom of the base (4).

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