Mahjong table framework connecting mechanism

Abstract

The utility model belongs to the technical field of mahjong table production, and particularly relates to a mahjong table framework connecting mechanism which comprises a base, a lifting column, a top plate and a framework panel, a stand column is vertically arranged on the base, the lifting column is inserted into the stand column, the top plate is fixedly connected to the top of the lifting column, and four fixing protruding strips are evenly arranged on the upper surface of the top plate. First semi-arc grooves are formed in the inner sides of the fixing protruding strips, an inner groove is formed in the center of the top plate, extending sliding grooves are evenly formed in the outer side of the inner groove, T-shaped sliding blocks are slidably connected into the extending sliding grooves, second semi-arc grooves are formed in the upper surfaces of the T-shaped sliding blocks, and the first semi-arc grooves and the second semi-arc grooves are combined to form arc grooves used for clamping a fixing transverse rod on the lower surface of a framework panel. The surface of the lifting column is provided with a positioning hole, the fastening bolt is inserted into the positioning hole to achieve height adjustment, the control panel can be driven to move by adjusting the position of the threaded rod through the knob, then the size of the arc groove is adjusted to control the clamping strength, and the device has the advantages of being convenient to install, stable in structure and adjustable in strength and height.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mahjong table production technical field, and specifically relates to a mahjong table framework connecting mechanism. BACKGROUND

[0002] As a common entertainment device, mahjong tables are widely used in family, entertainment places and clubs. Traditional mahjong tables usually adopt fixed structure, which is difficult to adjust the height of the table top or the connecting strength of the framework panel according to the use demand, which limits the adaptability and durability of the mahjong table to some extent. Especially in the scene of multi-person party or high-frequency use, the table top of the mahjong table may be permanently deformed due to excessive single-sided stress, reducing the service life.

[0003] The mahjong table framework connecting mechanism in the prior art usually relies on fixed bolts or buckles to connect the table top and the framework, but these structure designs have the following shortcomings:

[0004] 1. The connecting strength is not adjustable: the existing connecting mechanism is mostly fixed design, which cannot adjust the clamping force according to different use scenes, so it is difficult to adapt to diversified use demand;

[0005] 2. Lack of compression buffering mechanism: when the table top is subjected to single-sided downward pressure, it cannot be flexibly adjusted or buffered, and is prone to permanent deformation or damage of the framework due to long-term use;

[0006] 3. Height adjustment is inconvenient: the height adjustment of part of the mahjong table framework needs to disassemble multiple components or rely on external tools, which is cumbersome to operate and difficult to quickly adapt to the needs of users of different heights;

[0007] 4. Maintenance and disassembly are complex: the installation and disassembly of the traditional framework are time-consuming and laborious, affecting the maintenance efficiency and being not conducive to the replacement of damaged parts by users. UTILITY MODEL CONTENTS

[0008] In view of the problems existing in the prior art, the utility model aims to provide a mahjong table framework connecting mechanism, which can realize convenient operation and has the functions of height and clamping force adjustment, and prevent permanent deformation by turning over when subjected to excessive pressure on one side.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0010] The utility model provides a mahjong table framework connecting mechanism, including base, elevating column and framework panel, the upper surface of base is provided with the stand vertically, the inside of stand is hollow and top is open, elevating column is installed vertically above the inside of stand, the top of elevating column is fixed with the top plate, the upper surface of top plate is uniformly provided with four fixed convex strips, four fixed convex strips are flush with the four side faces of top plate, the upper surface inboard of fixed convex strip is provided with first half arc groove, the upper surface center of top plate is provided with inner groove, four extension slide grooves are uniformly provided with the outer side of inner groove, the extension slide groove is provided with T -shaped sliding block, the upper surface outboard of T -shaped sliding block is provided with second half arc groove, second half arc groove corresponds with first half arc groove, the framework panel is placed above top plate, the lower surface of framework panel is uniformly provided with four lower convex blocks, and the fixed cross bar is arranged between four lower convex blocks, and the fixed cross bar is placed in the arc groove combined by first half arc groove and second half arc groove.

[0011] Further, the T-shaped sliding block is in T-shaped structure, and the horizontal part of the T-shaped sliding block is placed on the upper surface of the top plate.

[0012] Further, the circular arc angle of the first half arc groove and the second half arc groove is greater than °.

[0013] Further, the elevating column surface is uniformly provided with a positioning hole, and the fastening bolt is inserted into the upper side of the stand.

[0014] Further, the center surface of the top plate is vertically screwed through a threaded rod, the control panel is rotatably installed on the top of the threaded rod, and the control panel is placed in the inner groove.

[0015] Further, the control panel surface is uniformly hinged with four connecting rods, and one end of the four connecting rods away from the control panel is hinged on the T-shaped sliding block.

[0016] Further, the threaded rod bottom is provided with a knob, the knob is placed in the upper side of the elevating column, the operation window is provided on the upper side of the one side of the elevating column, and the operation window corresponds to the knob.

[0017] Compared with the prior art, the mahjong table framework connecting mechanism has the advantages that:

[0018] The mahjong table framework connecting mechanism provided by the utility model has the advantages that the first half-arc groove and the second half-arc groove are arranged, the arc groove structure capable of adapting to the fixed horizontal rod is formed, the stable clamping connection of the framework panel is realized, when the unilateral stress of the framework panel is too large, the fixed horizontal rod can rotate moderately in the arc groove, thereby avoiding permanent deformation of the framework panel due to the unilateral excessive pressure, meanwhile, the arc groove angle is slightly larger than 180 DEG, the fixed horizontal rod has good limiting effect in the clamping process, and the compression resistance and the durability of the mahjong table framework are improved.

[0019] The utility model discloses the cooperation and design of elevating column and stand column, realize the convenient adjustment of mahjong table overall height, the positioning hole of elevating column surface cooperates with fastening bolt, make user can adjust the height of mahjong table according to actual demand fast, and realize the accurate fixing of height position through positioning hole, this design simplifies the operation step, improves the adaptability of mahjong table to different height user, solves the problem of traditional mahjong table height fixed, inconvenient adjustment.

[0020] Through setting inner groove, threaded rod and control board, combining linkage design of connecting rod and T-shaped slider, the utility model can realize flexible adjustment of arc groove size, user can adjust the position of control board through operating knob, and then drive connecting rod to change the position of T-shaped slider, make the size of arc groove combined by first half-arc groove and second half-arc groove change, thereby adjusting the clamping force of fixed horizontal rod, to adjust the sensitivity of unilateral pressure overturning, this design effectively solves the problem of mahjong table framework connection strength in prior art, improves the applicability and operation convenience of connecting mechanism.

[0021] The framework panel and the top plate are connected in a clamping manner, facilitating the overall disassembly and installation; the framework panel can be quickly disassembled as needed, facilitating maintenance or replacement of parts of the mahjong table framework; through the reasonable design of the fixing protrusions of the top plate and the extension sliding grooves, the stability of the framework is improved, the installation and maintenance process is simplified, and the use efficiency of the mahjong table is improved. ACCURACY OF DRAWINGS

[0022] Figure 1 It is a front view three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 It is a front view structure schematic diagram of the utility model;

[0024] Figure 3 It is a top three-dimensional structure schematic diagram of the utility model;

[0025] Figure 4 It is a sectional three-dimensional structure schematic diagram of the utility model; Figure 2

[0026] Figure 5 ​The utility model discloses a T-shaped slider and control panel mounting structure schematic diagram.

[0027] Figure 6 The utility model discloses a skeleton panel bottom structure schematic diagram.

[0028] In the drawing, the component list that each sign represents is as follows:

[0029] 1, base; 11, stand; 12, fastening bolt; 2, lifting column; 21, positioning hole; 22, top plate; 23, fixed convex strip; 24, first half-arc groove; 25, inner recess; 26, extension sliding groove; 27, operation window; 3, threaded rod; 31, knob; 4, control panel; 5, connecting rod; 6, T-shaped slider; 61, second half-arc groove; 7, skeleton panel; 71, lower convex block; 72, fixed cross bar. DETAILED DESCRIPTION

[0030] In order to make the purpose and the advantage of the utility model more clearly, the following is specifically explained to the utility model with example. It should be understood that the following text is only used to describe one or several specific implementation manners of the utility model, and does not strictly limit the protection scope of the utility model specifically requested.

[0031] Reference Figures 1-6 As shown in the figure, a mahjong table skeleton connecting mechanism, including base 1, lifting column 2 and skeleton panel 7, base 1 is the support base of mahjong table, and the upper surface is vertically provided with stand 11, and stand 11 is hollow structure, and the top is open, facilitating the installation of lifting column 2, lifting column 2 is vertically inserted into the inside of stand 11, and the top of lifting column 2 is fixedly connected with top plate 22, and top plate 22 is the main component for supporting skeleton panel 7, the upper surface of top plate 22 is uniformly provided with four fixed convex strips 23, the side surface of four fixed convex strips 23 is flush with the four edges of top plate 22, the upper surface inside of each fixed convex strip 23 is provided with first half-arc groove 24, and first half-arc groove 24 is used for clamping with the fixed cross bar 72 of skeleton panel 7, an inner recess 25 is formed in the center of the upper surface of top plate 22, four extension sliding grooves 26 are uniformly arranged on the outside of inner recess 25, extension sliding grooves 26 are distributed along the radial direction and are perpendicular to fixed convex strips 23, T-shaped slider 6 is installed in the inside of extension sliding groove 26, second half-arc groove 61 is formed in the upper surface outside of T-shaped slider 6, second half-arc groove 61 is oppositely arranged with first half-arc groove 24, and forms the arc groove for clamping fixed cross bar 72 in combination, skeleton panel 7 is arranged above top plate 22, four lower convex blocks 71 are uniformly arranged on the lower surface of skeleton panel 7, and four lower convex blocks 71 are uniformly distributed with fixed cross bar 72, fixed cross bar 72 is inserted into the arc groove formed by first half-arc groove 24 and second half-arc groove 61, and stable connection is realized.

[0032] Reference Figure 4 And Figure 5As shown, the T-shaped slider 6 is in a T-shaped structure, the horizontal part of the T-shaped slider 6 is arranged on the upper surface of the top plate 22, and is arranged in parallel with the fixed convex strip 23; the second semicircular groove 61 opened on the T-shaped slider 6 is combined with the first semicircular groove 24 to form an overall arc groove slightly larger than 180 degrees, which is used for clamping the horizontal rod 72; the connection of the T-shaped slider 6 and the connecting rod 5 further improves the stability and adjustability thereof.

[0033] Referring to Figure 3 and Figure 4 As shown, the arc angle of the first semicircular groove 24 and the second semicircular groove 61 is greater than 90°, and the arc groove angle formed after the combination of the two is slightly greater than 180°. The arc angle of the first semicircular groove 24 and the second semicircular groove 61 can be 95°, and the arc angle should not be too large, otherwise the fixed horizontal rod 72 cannot be clamped through the upper opening, and the opening at the top of the combined arc groove can be elastically deformed to a certain extent when the fixed horizontal rod 72 is installed and disassembled, so as to ensure that the fixed horizontal rod 72 can be clamped firmly; when the skeleton panel 7 is subjected to external force, the fixed horizontal rod 72 can rotate moderately in the arc groove, thereby reducing the excessive concentrated pressure and avoiding permanent deformation of the skeleton panel 7.

[0034] Referring to Figure 3 and Figure 4 As shown, a plurality of positioning holes 21 are uniformly arranged on the surface of the lifting column 2, and the positioning holes 21 are arranged along the height direction of the lifting column 2, so as to facilitate the adjustment of the height of the skeleton panel 7 according to the needs; a fastening bolt 12 is inserted into the upper side of the column 11, and the end of the fastening bolt 12 matches the internal size of the positioning hole 21, and the locking of the lifting column 2 at the corresponding height position can be realized by inserting the fastening bolt 12 into different positioning holes 21, thereby realizing the adjustment of the overall height of the mahjong table.

[0035] Referring to Figure 4 As shown, a threaded rod 3 is vertically screwed through the center surface of the top plate 22, a control plate 4 is installed on the top of the threaded rod 3, the control plate 4 is arranged in the inner recess 25, and the threaded rod 3 and the control plate 4 can rotate, and the height position of the control plate 4 is adjusted by the rotation of the threaded rod 3; four connecting rods 5 are uniformly hinged on the surface of the control plate 4, and the other ends of the connecting rods 5 are respectively hinged on the four T-shaped sliders 6, and through the linkage of the connecting rods 5, when the height of the control plate 4 changes, the T-shaped sliders 6 can be synchronously driven to slide along the extension sliding groove 26, thereby adjusting the size of the arc groove to adapt to the clamping needs of different fixed horizontal rods 72, and the clamping force of the fixed horizontal rod 72 can be adjusted to adjust the threshold value of the overturning caused by the unilateral pressure, thereby improving the flexibility of the equipment use.

[0036] Referring to Figure 4 and Figure 5As shown, the bottom of the threaded rod 3 is provided with a knob 31, the knob 31 is installed on the inside of the lifting column 2, and the knob 31 is connected with the outside through the operation window 27; the operation window 27 is opened on one side of the lifting column 2, so that the user can put his hand into the inside of the lifting column 2 to operate the knob 31, and the height of the threaded rod 3 is adjusted by rotating the knob 31, so that the position of the control plate 4 and the T-shaped slider 6 is adjusted.

[0037] The working principle of the utility model is: when using, the skeleton panel 7 is placed on the upper surface of the top plate 22, and the fixed cross bars 72 are all clamped in the arc groove combined by the first half-arc groove 24 and the second half-arc groove 61, because the first half-arc groove 24 and the second half-arc groove 61 are both greater than 90 degrees, so the arc groove combined by the two is slightly greater than 180 degrees, and the fixed cross bars 72 can be clamped and limited, when the one side of the skeleton panel 7 is pressed by the arm too much, the skeleton panel 7 can rotate around the fixed cross bar 72 of the force side to overturn, so that the skeleton is prevented from being permanently deformed due to too much pressure on one side, and the clamping force of the fixed cross bar 72 can be adjusted according to the use condition, the arm can be put into the inside of the lifting column 2 and the knob 31 is rotated through the operation window 27, so that the threaded rod 3 is rotated, at this time, the height of the control plate 4 can be adjusted, when the height position of the control plate 4 changes, the T-shaped slider 6 can be moved through the four connecting rods 5, and then the distance between the T-shaped slider 6 and the fixed convex strip 23 is adjusted, so that the size of the arc groove combined by the first half-arc groove 24 and the second half-arc groove 61 is controlled, and the clamping force of the fixed cross bar 72 is adjusted.

[0038] In use, the height of the skeleton panel 7 can also be adjusted according to the use condition, so that the lifting column 2 moves vertically, and is fixed through the cooperation of the fastening bolt 12 and the positioning hole 21 at the corresponding position, and then the overall height of the mahjong table is improved, so that users of different heights are adapted, the skeleton panel 7 and the top plate 22 are installed in the clamping mode of the fixed cross bar 72, the whole can be conveniently disassembled, and maintenance is facilitated.

[0039] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A mahjong table framework connecting mechanism, comprising a base (1), a lifting column (2) and a framework panel (7), characterized in that: The base (1) upper surface is vertically provided with a stand (11), the stand (11) is hollow inside and the top is open, the inside upper part of the stand (11) is vertically provided with a lifting column (2), the top of the lifting column (2) is fixedly provided with a top plate (22), the upper surface of the top plate (22) is uniformly provided with four fixed protrusions (23), the four fixed protrusions (23) are flush with the four sides of the top plate (22), the upper surface of the fixed protrusion (23) is internally provided with a first semicircular groove (24), the center of the upper surface of the top plate (22) is provided with an inner groove (25), four extension sliding grooves (26) are uniformly provided on the outer side of the inner groove (25), the extension sliding groove (26) is vertically provided with a T-shaped sliding block (6), the upper surface of the T-shaped sliding block (6) is provided with a second semicircular groove (61), the second semicircular groove (61) corresponds to the first semicircular groove (24), the skeleton panel (7) is placed above the top plate (22), the lower surface of the skeleton panel (7) is uniformly provided with four lower protrusions (71), the four lower protrusions (71) are provided with a fixed cross bar (72), and the fixed cross bar (72) is placed in the arc groove combined by the first semicircular groove (24) and the second semicircular groove (61).

2. The mahjong table framework connecting mechanism according to claim 1, characterized in that: The T-shaped sliding block (6) is in a T-shaped structure, and the horizontal part of the T-shaped sliding block (6) is placed on the upper surface of the top plate (22), and the horizontal part of the T-shaped sliding block (6) is vertically provided with the fixed protrusion (23).

3. The mahjong table framework connecting mechanism according to claim 1, characterized in that: The first semicircular groove (24) and the second semicircular groove (61) are both greater than 90° in arc angle.

4. The mahjong table framework connecting mechanism according to claim 2, characterized in that: The surface of the lifting column (2) is uniformly provided with a positioning hole (21), one side of the stand (11) is provided with a fastening bolt (12), and the end of the fastening bolt (12) is matched with the inner size of the positioning hole (21).

5. The mahjong table framework connecting mechanism according to claim 1, characterized in that: The center surface of the top plate (22) is vertically screwed through a threaded rod (3), the top of the threaded rod (3) is rotatably provided with a control plate (4), and the control plate (4) is placed in the inner groove (25).

6. The mahjong table framework connecting mechanism according to claim 5, characterized in that: The surface of the control plate (4) is uniformly hinged with four connecting rods (5), and one end of the four connecting rods (5) away from the control plate (4) is hinged on the T-shaped sliding block (6).

7. The mahjong table framework connecting mechanism according to claim 5, characterized in that: The bottom of the threaded rod (3) is provided with a knob (31), the knob (31) is placed in the inside upper part of the lifting column (2), one side of the lifting column (2) is provided with an operation window (27), and the operation window (27) corresponds to the knob (31).

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