Metal plate push rod structure and mahjong machine

By connecting the lower and upper support components formed from sheet metal, the problems of inconsistent power transmission and production complexity in the push rod structure of the mahjong machine are solved, thereby improving stability and cost-effectiveness.

CN223846213UActive Publication Date: 2026-01-30MENGCHENG KEGUAN NEW MATERIAL TECH CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202520205903.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-30
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The existing push rod structure of mahjong machines has problems such as inconsistent power transmission, poor stability, and complex and costly production process.

Method used

The lower and upper support components, which are made of sheet metal, are connected as a whole by locking screws to form an integrated structure, simplifying the production process and ensuring stable power transmission.

Benefits of technology

It improves the stability and reliability of the mahjong machine's lifting mechanism, simplifies the production process, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223846213U_ABST
    Figure CN223846213U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of mahjong machines, and particularly relates to a sheet metal push rod structure and a mahjong machine. The sheet metal push rod structure comprises a lower supporting piece connected with a tile pushing driving end and an upper supporting piece connected with a tile pushing driven end; the lower supporting piece and the upper supporting piece are both formed by metal plates and are integrally connected through locking screws, and at least one of the lower supporting piece and the upper supporting piece is integrally formed. The lower supporting piece comprises two symmetrically-arranged lower supporting legs and lower connecting holes formed in the lower ends of the lower supporting legs. The upper supporting piece comprises upper supporting legs flush with the lower supporting legs and upper connecting holes formed in the upper supporting legs. It can be understood that the push rod is composed of the lower supporting piece and the upper supporting piece which are split, the welding step is not needed in the actual machining process, the push rod can be formed close to a metal plate and integrally connected through the locking screw, and the production steps are simplified and the precision requirement is met while the structural reliability is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the technical field of mahjong machines, and in particular relates to a sheet metal push rod structure and a mahjong machine. Background Technology

[0002] A mahjong machine is a device specifically designed to automate the mahjong game, helping players enjoy the game more efficiently and conveniently. The main functions of a mahjong machine are automatic shuffling, dealing, and arranging the tiles, as well as replacing manual operation, thus improving the smoothness and entertainment value of the game.

[0003] A search revealed that application (publication) number 202323047159.2 discloses a card-pushing component in a mahjong machine's pushing mechanism, wherein the "swing rods" are two independent rods, and the power transmission during parallel pushing is not consistent enough, resulting in poor strength and stability. If the two "swing rods" need to be connected, welding is required, which increases production costs and requires high precision. The production process is also quite complicated, requiring the use of special welding fixtures for positioning, followed by cleaning, welding, slag removal, and grinding. Application (publication) number 202211197009 discloses a card-sorting device for a fully automatic mahjong machine, and application (publication) number 202121991570.5 discloses a pushing device for a mahjong machine, both of which have the above-mentioned defects.

[0004] To address the aforementioned issues, this application proposes a sheet metal push rod structure and a mahjong machine. Utility Model Content

[0005] The purpose of this utility model is to provide a sheet metal push rod structure and a mahjong machine, which solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a sheet metal push rod structure. The push rod includes a lower support member connected to the active end of the push rod and an upper support member connected to the driven end of the push rod. Both the lower and upper support members are made of sheet metal and are integrally connected by locking screws. At least one of the lower and upper support members is integrally formed. The lower support member includes two symmetrically arranged lower legs and a lower connecting hole at the lower end of the lower legs. The upper support member includes an upper leg flush with the lower legs and an upper connecting hole on the upper leg.

[0008] Furthermore, the lower support also includes a formed lower connecting part, and the two lower support legs are integrally formed by sheet metal bending at both ends below the lower connecting part. The lower connecting part has symmetrical first reinforcing ribs formed by sheet metal on both sides.

[0009] Furthermore, the upper support legs are two symmetrically arranged at both ends above the lower connecting part, and the bottom of the upper support legs is bent into an upper bend, with a first connecting hole provided on the upper bend.

[0010] Furthermore, the lower connecting part is provided with a first threaded hole, and the upper bent part is provided with a first connecting hole concentric with the first threaded hole. The locking screw passes through the first connecting hole from top to bottom and is screwed into the first threaded hole.

[0011] Furthermore, the upper support also includes an upper connecting part, and the upper support leg is integrally formed from sheet metal on both sides of the upper end of the upper connecting part. The two ends of the upper connecting part are also integrally formed with sheet metal and have symmetrical second reinforcing ribs.

[0012] Furthermore, the lower support leg consists of two symmetrical legs placed at the bottom ends of the upper connecting part, and the top of the lower support leg is bent to form a lower bent part that fits into the upper connecting part.

[0013] Furthermore, the upper connecting part is provided with a second threaded hole, and the lower bent part is provided with a second connecting hole concentric with the second threaded hole. The locking screw passes through the second connecting hole from bottom to top and is screwed into the second threaded hole.

[0014] To solve the above-mentioned technical problems, this utility model also provides: a mahjong machine, including the above-mentioned sheet metal push rod structure.

[0015] This utility model has the following beneficial effects:

[0016] This utility model consists of a separate lower support and an upper support, both of which are integrally formed from sheet metal. While ensuring structural strength, it simplifies the production steps and reduces the difficulty. Even if the bending is not in place, it can be adjusted appropriately, greatly reducing the scrap rate.

[0017] This invention connects two push rods as one unit, which can ensure the stable transmission of power when pushing in parallel, and improve the stability and reliability of the mahjong machine's pushing mechanism.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure from the front view of Example 1;

[0021] Figure 2 For Figure 1 Structure schematic diagram of bottom view;

[0022] Figure 3 For Figure 1 Structure schematic diagram of partial disassembly;

[0023] Figure 4 Structure schematic diagram of front view of example 2;

[0024] Figure 5 For Figure 4 Structure schematic diagram of bottom view;

[0025] Figure 6 For Figure 4 Structure schematic diagram of partial disassembly;

[0026] In the drawings, the components represented by each reference numeral are listed as follows:

[0027] In the drawings: 1, lower support; 11, lower leg; 12, lower connecting hole; 13, lower connecting part; 14, first threaded hole; 15, first reinforcing rib; 16, lower bent part; 17, second connecting hole;

[0028] 2, upper support; 21, upper leg; 22, upper connecting hole; 23, upper bent part; 24, first connecting hole; 25, upper connecting part; 26, second threaded hole; 27, second reinforcing rib;

[0029] 3, locking screw. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] In the description of the present application, it should be understood that the terms "hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0032] Example 1

[0033] Please refer to Figures 1-3As shown, the utility model is a kind of sheet metal push rod structure, push rod includes: with the lower support 1 of push card driving end connection and with the upper support 2 of push card driven end connection;Lower support 1 and upper support 2 are all adopted sheet metal forming, and are integrally connected by locking screw 3, in order to ensure the locking strength of locking screw 3, connecting place can be provided with gasket, elastic pad and other elastic parts, and lower support 1 and upper support 2 are integrally formed at least one;Lower support 1 includes two symmetrical lower legs 11 and lower connecting hole 12 opened in the lower end of lower leg 11, and upper support 2 includes upper leg 21 flush with lower leg 11 and upper connecting hole 22 opened on upper leg 21, in the embodiment, push rod is composed of split lower support 1 and upper support 2, without welding step in actual processing, and it can be formed by close sheet metal and integrally connected by locking screw 3, while ensuring the reliability of structure, simplify production step and precision requirement.

[0034] Wherein, lower support 1 further includes shaped lower connecting portion 13, two lower legs 11 are integrally formed in the lower side of the two ends of lower connecting portion 13 by sheet metal bending, and the sheet metal of the two sides of lower connecting portion 13 is formed with symmetrical first reinforcing ribs 15, the first reinforcing ribs 15 play a structure reinforcing role between lower connecting portion 13 and two lower legs 11, to ensure that the power is evenly and stably transmitted after the stress of two lower legs 11.

[0035] Wherein, upper leg 21 is symmetrically arranged at the two ends above lower connecting portion 13, and upper leg 21 is bent and formed with upper bending portion 23 at the bottom, and first connecting hole 24 is opened on upper bending portion 23, and upper leg 21 and upper bending portion 23 are in perpendicular position relationship.

[0036] Wherein, first threaded hole 14 is opened on lower connecting portion 13, and first connecting hole 24 with the same center as first threaded hole 14 is opened on upper bending portion 23, and locking screw 3 is spirally locked with first threaded hole 14 after passing through first connecting hole 24 from top to bottom, and first threaded hole 14 and first connecting hole 24 on one side of lower connecting portion 13 and locking screw 3 are all provided with two, so as to ensure the reliability of push rod structure after the connection of locking screw 3.

[0037] One specific application of the embodiment is that upper leg 21 and upper bending portion 23 are in perpendicular position relationship. The sheet metal of lower leg 11, lower connecting portion 13 and first reinforcing rib 15 is formed, lower connecting hole 12 is opened at the bottom of lower leg 11, first threaded hole 14 is tapped at the upper end of lower connecting portion 13, upper connecting hole 22 is opened on upper leg 21 and upper bending portion 23 after sheet metal forming, first connecting hole 24 is opened on upper bending portion 23, first connecting hole 24 is corresponded with first threaded hole 14, gasket and elastic pad are sleeved in locking screw 3 and pass through first connecting hole 24, and then spirally locked with first threaded hole 14.

[0038] Embodiment 2

[0039] Please refer to Figures 4-6 As shown in the figure, a sheet metal push rod structure, the push rod comprises: the lower support 1 connected with the driving end of the push card and the upper support 2 connected with the driven end of the push card; the lower support 1 and the upper support 2 are formed by sheet metal, and are integrally connected through locking screws 3, in order to ensure the locking force of the locking screw 3, the connecting part can be provided with elastic members such as gaskets and elastic pads, and at least one of the lower support 1 and the upper support 2 is integrally formed; the lower support 1 comprises two symmetrical lower legs 11 and a lower connecting hole 12 opened at the lower end of the lower leg 11, and the upper support 2 comprises an upper leg 21 flush with the lower leg 11 and an upper connecting hole 22 opened on the upper leg 21; in this embodiment, the push rod is composed of the separate lower support 1 and the upper support 2, and in actual processing, no welding step is required, and the push rod can be formed by sheet metal and integrally connected through the locking screw 3, which simplifies the production steps and precision requirements while ensuring the reliability of the structure.

[0040] The upper support 2 further comprises an upper connecting portion 25, the upper leg 21 is integrally formed on the upper connecting portion 25 by sheet metal on both sides of the upper end of the upper connecting portion 25, and the upper connecting portion 25 is further formed with symmetrical second reinforcing ribs 27 by sheet metal at both ends, the second reinforcing ribs 27 play a structure reinforcing role between the upper connecting portion 25 and the two lower legs 11, and ensure uniform and stable transmission of power after the two lower legs 11 are stressed.

[0041] The lower leg 11 is symmetrical and is arranged at both ends of the bottom of the upper connecting portion 25, and the top of the lower leg 11 is bent and formed with a lower bending portion 16 abutting the upper connecting portion 25, and the lower bending portion 16 is bent and formed in order to increase the contact area with the upper connecting portion 25 and ensure the reliability of the structure after connection.

[0042] The upper connecting portion 25 is provided with a second threaded hole 26, the lower bending portion 16 is provided with a second connecting hole 17 with the same center as the second threaded hole 26, the locking screw 3 is screwed and locked with the second threaded hole 26 after passing through the second connecting hole 17 from bottom to top, and the second threaded hole 26 and the second connecting hole 17 on one side of the upper connecting portion 25 and the locking screw 3 are provided with two, to ensure the connection reliability of the locking screw 3.

[0043] One specific application of the embodiment is that the lower leg 11 and the lower bending portion 16 are bent and formed and provided with the lower connecting hole 12 and the second connecting hole 17, the upper connecting portion 25 is bent and formed at both ends to form the upper leg 21 and is provided with the upper connecting hole 22, the upper connecting portion 25 is bent and formed with symmetrical second reinforcing ribs 27 on both sides, and the locking screw 3 is sleeved with a gasket and an elastic pad, then passes through the second connecting hole 17 and is screwed and locked with the second threaded hole 26, so that the push rod assembly is completed.

[0044] In order to achieve the above purpose, the utility model also provides: a mahjong machine comprising the sheet metal push rod structure.

[0045] It can be understood that the push rod is composed of the lower support 1 and the upper support 2, and in actual processing, no welding step is needed, and the push rod can be formed by close sheet metal and integrated by locking screws 3, thereby simplifying production steps and precision requirements while ensuring structural reliability.

[0046] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the skilled in the art can well understand and utilize the application. The application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A sheet metal pushrod structure, characterized by, The push rod comprises a lower support (1) and an upper support (2); The lower support (1) and the upper support (2) are formed by sheet metal and are integrally connected by locking screws (3), and at least one of the lower support (1) and the upper support (2) is integrally formed; The lower support (1) comprises two symmetrical lower legs (11) and a lower connecting hole (12) formed at the lower end of the lower leg (11), and the upper support (2) comprises an upper leg (21) flush with the lower leg (11) and an upper connecting hole (22) formed on the upper leg (21).

2. The sheet metal pushrod structure of claim 1, wherein: The lower support (1) further comprises a lower connecting portion (13) formed by sheet metal, and the two lower legs (11) are integrally formed below the two ends of the lower connecting portion (13) by sheet metal bending, and symmetrical first reinforcing ribs (15) are formed on the two sides of the lower connecting portion (13) by sheet metal.

3. The sheet metal pushrod structure of claim 2, wherein: The upper leg (21) is symmetrically arranged at the two ends above the lower connecting portion (13), and the bottom of the upper leg (21) is bent to form an upper bending portion (23), and a first connecting hole (24) is formed on the upper bending portion (23).

4. The sheet metal pushrod structure of claim 3, wherein: A first threaded hole (14) is formed on the lower connecting portion (13), a first connecting hole (24) with the same center as the first threaded hole (14) is formed on the upper bending portion (23), and the locking screw (3) is screwed and locked with the first threaded hole (14) after passing through the first connecting hole (24) from top to bottom.

5. The sheet metal pushrod structure of claim 1, wherein: The upper support (2) further comprises an upper connecting portion (25), and the upper leg (21) is integrally formed on the upper end of the upper connecting portion (25) by sheet metal, and symmetrical second reinforcing ribs (27) are further formed on the two ends of the upper connecting portion (25) by sheet metal.

6. The sheet metal pushrod structure of claim 5, wherein: The lower leg (11) is symmetrically arranged at the two ends of the bottom of the upper connecting portion (25), and the top of the lower leg (11) is bent to form a lower bending portion (16) adhered to the upper connecting portion (25).

7. The sheet metal pushrod structure of claim 6, wherein: A second threaded hole (26) is formed on the upper connecting portion (25), a second connecting hole (17) with the same center as the second threaded hole (26) is formed on the lower bending portion (16), and the locking screw (3) is screwed and locked with the second threaded hole (26) after passing through the second connecting hole (17) from bottom to top.

8. A mahjong machine comprising the sheet metal push rod structure of any one of claims 1-7.

Citation Information

Patent Citations

  • Mahjong machine pushing device

    CN215822340U

  • A card pushing component in a push-up mechanism of a mahjong machine

    CN220939056U