A mahjong machine external hanging simple leaf convenient to install
By using an easy-to-install external hinge structure for mahjong machines, the problem of drilling holes in the uprights for mahjong machine hinges is solved, achieving a drilling-free installation method, reducing costs and improving stability and convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 陈铭
- Filing Date
- 2025-07-05
- Publication Date
- 2026-06-12
AI Technical Summary
The existing hinges for mahjong machines require holes to be drilled in the uprights during use, which causes inconvenience and increases production costs.
The design employs a simple hinged structure for easy installation of the mahjong machine, including a column, a right-angle plate, a first connecting piece, a second connecting piece, and an adjustment plate. It uses screw connections and movable connections to avoid drilling holes in the column. The combination of the right-angle plate and the connecting piece provides limiting, improving stability and simplifying installation.
It enables installation without drilling holes in the column, reduces production costs, improves the stability and ease of installation of the hinge, and simplifies the production process.
Smart Images

Figure CN224352269U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of furniture installation technology, and in particular to a simple hinge for attaching a mahjong machine that is easy to install. Background Technology
[0002] Currently, mahjong tiles themselves are getting larger and larger, while mahjong machines are getting smaller and smaller, causing hinges in the furniture industry to no longer meet installation requirements.
[0003] Existing technology CN214886330U discloses a simple hinge for easy installation in a mahjong machine, including a first fixed plate, a second fixed plate, a straight connecting piece, and an L-shaped connecting piece. The first fixed plate is screwed to the column of the mahjong machine. The straight connecting piece is movably connected to both the first and second fixed plates and is located between them. The L-shaped connecting piece is movably connected to both the first and second fixed plates and is located between them, below the straight connecting piece. The different lengths of the straight connecting piece and the L-shaped connecting piece allow the first fixed plate to open and close the second fixed plate. In the unfolded state, the groove allows the side of the L-shaped connecting piece to fit tightly against the straight connecting piece, thus defining the hinge's limit. This structure provides good stability, a simple structure, easy installation, low cost, light weight, and convenient transportation. It also saves internal space in the mahjong machine, allowing the use of larger mahjong tiles and reducing the overall cost of the mahjong machine.
[0004] However, using the above method requires drilling holes in the uprights during use, which is inconvenient for widespread use and requires special processing, thus increasing the difficulty of use and production costs. Utility Model Content
[0005] The purpose of this utility model is to provide a simple external hinge for mahjong machines that is easy to install. This hinge eliminates the need for separate drilling on the uprights and special processing, making it convenient to use and reducing production costs.
[0006] To achieve the above objectives, this utility model provides an easy-to-install external hinge for a mahjong machine, comprising a column, a right-angle plate, a first connecting piece, a second connecting piece, and an adjusting plate. The right-angle plate is connected to the column by screws. The first connecting piece is movably connected to the right-angle plate and located on one side of the right-angle plate. The second connecting piece is movably connected to the right-angle plate and also movably connected to the first connecting piece. The adjusting plate is movably connected to both the first connecting piece and the second connecting piece.
[0007] The right-angle plate includes an irregular plate and a rectangular plate. The irregular plate and the rectangular plate are integrally formed. The irregular plate is detachably connected to the column and is located on one side of the column. The rectangular plate is fixedly connected to the column by screws and is located on one side of the column.
[0008] The irregular plate is provided with a first through hole and a second through hole, wherein the first through hole penetrates the irregular plate and the second through hole penetrates the irregular plate.
[0009] The first connecting piece is provided with a first insertion hole and a first adjustment hole. The first insertion hole penetrates through the first connecting piece and is used in conjunction with the first through hole. The first adjustment hole penetrates through the first connecting piece.
[0010] The second connecting piece is provided with a second insertion hole and a second adjustment hole. The second insertion hole penetrates through the second connecting piece and is used in conjunction with the second through hole. The second adjustment hole penetrates through the second connecting piece.
[0011] The adjusting plate is provided with a first threaded hole and a second threaded hole, both of which penetrate the adjusting plate; the first threaded hole is used in conjunction with the first adjusting hole; and the second threaded hole is used in conjunction with the second adjusting hole.
[0012] This utility model discloses an easy-to-install external hinge for a mahjong machine, comprising a column, a right-angle plate, a first connecting piece, a second connecting piece, and an adjusting plate. The right-angle plate is connected to the column by screws. The first connecting piece is movably connected to the right-angle plate and located on one side of the right-angle plate. The second connecting piece is movably connected to the right-angle plate and also movably connected to the first connecting piece. The adjusting plate is movably connected to both the first and second connecting pieces. The tight fit between the first and second connecting pieces limits the hinge's position, improving its stability. Installation is simple and cost-effective. Furthermore, the right-angle plate eliminates the need for drilling at the connection point between the column and the right-angle plate, eliminating the need for special processing and simplifying production. This reduces the difficulty of use, lowers production costs, and enhances convenience. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0014] Figure 1 This is a schematic diagram of the overall structure of the easy-to-install external hinge for a mahjong machine according to the first embodiment of this utility model.
[0015] Figure 2This is an overall front view of the easy-to-install mahjong machine external hinge according to the first embodiment of this utility model.
[0016] Figure 3 This is a schematic diagram of the right-angle plate according to the first embodiment of this utility model.
[0017] Figure 4 This is an exploded schematic diagram of the easy-to-install external hinge for a mahjong machine according to the first embodiment of this utility model.
[0018] In the diagram: 101-Column, 102-Right-angle plate, 103-First connecting piece, 104-Second connecting piece, 105-Adjusting plate, 106-Irregular plate, 107-Rectangular plate, 108-First through hole, 109-Second through hole, 110-Insertion hole one, 111-Adjusting hole one, 112-Insertion hole two, 113-Adjusting hole two, 114-First threaded hole, 115-Second threaded hole. Detailed Implementation
[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0020] The first embodiment of this application is:
[0021] Please see Figures 1 to 4 ,in Figure 1 This is a schematic diagram of the overall structure of a simple hinged external mount for easy installation of a mahjong machine. Figure 2 This is a front view of the simple hinged mount for easy installation of a mahjong machine. Figure 3 This is a structural diagram of a right-angled plate. Figure 4This is an exploded view of a simple hinge for an external attachment to a mahjong machine that is easy to install. This utility model provides a simple hinge for an external attachment to a mahjong machine that is easy to install: it includes a column 101, a right-angle plate 102, a first connecting piece 103, a second connecting piece 104, and an adjusting plate 105. The right-angle plate 102 includes an irregular plate 106 and a rectangular plate 107. The irregular plate 106 is provided with a first through hole 108 and a second through hole 109. The first connecting piece 103 is provided with a first insertion hole 110 and an first adjusting hole 111. The second connecting piece 104 is provided with a second insertion hole 112 and a second adjusting hole 113. The adjusting plate 105 is provided with a first threaded hole 114 and a second threaded hole 115. The aforementioned solution addresses the problem that the original hinge required drilling holes in the upright 101 during use, which lacked convenience in widespread use and required special processing, increasing the difficulty of use and production costs. Understandably, the aforementioned solution can eliminate the need for drilling holes in the upright 101 and special processing when using this hinge, making it convenient to use, reducing production costs, and also improving the stability of the hinge.
[0022] In this specific embodiment, the right-angle plate 102 is connected to the column 101 by screws, the first connecting piece 103 is movably connected to the right-angle plate 102 and is located on one side of the right-angle plate 102, the second connecting piece 104 is movably connected to the right-angle plate 102 and is movably connected to the first connecting piece 103, and the adjusting plate 105 is movably connected to the first connecting piece 103 and the second connecting piece 104 respectively.
[0023] In this embodiment, the left side of the right-angle plate 102 is movably connected to the column 101, and the right side of the right-angle plate 102 is fixedly connected to the column 101, making it easy to position the right-angle plate 102 and install it on the column 101. The adjusting plate 105 is installed on the right-angle plate 102 through the first connecting piece 103 and the second connecting piece 104. The first connecting piece 103 and the second connecting piece 104 fit tightly together to limit the hinge, improve the stability of the hinge, and make installation simple and cost-effective. Furthermore, the right-angle plate 102 avoids drilling holes at the connection between the column 101 and the right-angle plate 102, eliminating the need for special processing, simplifying the production process, reducing the difficulty of use, lowering production costs, and improving convenience.
[0024] Furthermore, the irregular plate 106 is integrally formed with the rectangular plate 107, the irregular plate 106 is detachably connected to the column 101 and is located on one side of the column 101; the rectangular plate 107 is fixedly connected to the column 101 by screws and is located on one side of the column 101.
[0025] In this embodiment, firstly, according to the position of the upright 101 of the mahjong table, the rectangular plate 107 is fixed to one side of the upright 101 with screws to position the upright 101. Then, the irregular plate 106 is adjusted so that the irregular plate 106 fits tightly with the upright 101, thereby improving the stability of the upright 101 and thus improving the stability of the mahjong table.
[0026] Furthermore, the first through hole 108 penetrates the irregular plate 106; the second through hole 109 penetrates the irregular plate 106; the first insertion hole 110 penetrates the first connecting piece 103, and the first insertion hole 110 cooperates with the first through hole 108; the first adjustment hole 111 penetrates the first connecting piece 103; the second insertion hole 112 penetrates the second connecting piece 104, and the second insertion hole 112 cooperates with the second through hole 109; the second adjustment hole 113 penetrates the second connecting piece 104.
[0027] In this embodiment, the first connecting piece 103 is installed on the irregular plate 106, such that the first insertion hole 110 coincides with the first through hole 108. After adjusting the angle of the first connecting piece 103 as needed, corresponding bolts are inserted into the first through hole 108 and the first insertion hole 110 to fix the first connecting piece 103. Then, the second connecting piece 104 is installed on the irregular plate 106, such that the second insertion hole 112 coincides with the second through hole 109, and corresponding bolts are inserted into it to fix the second connecting piece 104. At this time, the end of the second connecting piece 104 away from the irregular plate 106 abuts against the first connecting piece 103, thereby improving the stability of the hinge.
[0028] Furthermore, both the first threaded hole 114 and the second threaded hole 115 penetrate the adjusting plate 105; the first threaded hole 114 is used in conjunction with the first adjusting hole 111; and the second threaded hole 115 is used in conjunction with the second adjusting hole 113.
[0029] In this embodiment, after the first connecting piece 103 and the second connecting piece 104 are installed on the irregular plate 106, the adjusting plate 105 is placed below the first connecting piece 103 and the second connecting piece 104, so that the first threaded hole 114 and the first adjusting hole 111 are aligned, and the corresponding bolts are inserted therein. Then, the second threaded hole 115 and the second adjusting hole 113 are aligned, and the corresponding bolts are inserted therein, thereby completing the installation of this hinge, improving the stability of the hinge, simplifying the installation, and enabling it to be installed on the column 101 of the mahjong table, thereby improving work efficiency.
[0030] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.
Claims
1. A simple hinge for easy installation of a mahjong machine, comprising a column, a right-angle plate, a first connecting piece, a second connecting piece, and an adjusting plate, wherein the right-angle plate is connected to the column by screws, the first connecting piece is movably connected to the right-angle plate and located on one side of the right-angle plate, the second connecting piece is movably connected to the right-angle plate and movably connected to the first connecting piece, and the adjusting plate is movably connected to both the first connecting piece and the second connecting piece; The right-angle plate includes an irregular plate and a rectangular plate. The irregular plate and the rectangular plate are integrally formed. The irregular plate is detachably connected to the column and is located on one side of the column. The rectangular plate is fixedly connected to the column by screws and is located on one side of the column. The irregular plate is provided with a first through hole and a second through hole, the first through hole penetrating the irregular plate; the second through hole penetrating the irregular plate. The first connecting piece is provided with a first insertion hole and a first adjustment hole. The first insertion hole penetrates through the first connecting piece and is used in conjunction with the first through hole. The first adjustment hole penetrates through the first connecting piece. The second connecting piece is provided with a second insertion hole and a second adjustment hole. The second insertion hole penetrates through the second connecting piece and is used in conjunction with the second through hole. The second adjustment hole penetrates through the second connecting piece. The adjusting plate is provided with a first threaded hole and a second threaded hole, both of which penetrate the adjusting plate; the first threaded hole is used in conjunction with the first adjusting hole; the second threaded hole is used in conjunction with the second adjusting hole.