CN219333128U - Mahjong machine and folding mechanism thereof - Google Patents

Abstract

The utility model provides a mahjong machine and a folding mechanism thereof.A connecting seat is fixedly connected with a tabletop main body of the mahjong machine or integrally formed, one side of a movable seat is hinged with one side of the bottom of the connecting seat through a first hinge shaft, the other side of the movable seat is hinged with one side of the top of a stand column of the mahjong machine through a second hinge shaft, the upper end of a connecting rod is hinged with the other side of the bottom of the connecting seat through a third hinge shaft, the lower end of the connecting rod is driven by a lifting driving mechanism to lift up and down, and a cam is fixed on the movable seat and can prop against and contact with the lower end of the connecting rod; wherein the first hinge shaft, the second hinge shaft and the third hinge shaft are arranged in parallel with each other. According to the scheme, the table top main body is lifted in the overturning and folding process, so that the mahjong machine with a large table top size can be overturned and folded.

Description

Mahjong machine and folding mechanism thereof

Technical Field

The utility model belongs to the technical field of mahjong machine manufacturing, and particularly relates to a mahjong machine and a folding mechanism thereof.

Background

In order to facilitate transportation and save storage space when the mahjong machine is not in use, a tabletop main body provided with a mahjong machine core is usually hinged to the top end of the upright post, and the tabletop main body is folded along the hinge position during transportation or storage, so that the bottom of the tabletop main body is attached to one side of the upright post, and the purposes of convenience and space saving during transportation and storage are achieved. In the prior art disclosed in patent documents with publication numbers CN 105435448B, CN204798817U, CN211298857U, CN217285108U and TWM448195U, in these structures, the bottom of the table top main body and one side of the top end of the upright post are hinged through a fixed rotating shaft, which requires that half the width of the table top of the mahjong machine is smaller than the height of the upright post to realize turnover folding.

However, in the prior art, because of space requirements such as tile placement and the like in the mahjong playing process, the tabletop of the mahjong machine is large in size, and often half width of the tabletop is larger than the height of the upright post, so that overturning and folding cannot be realized. In order to solve the problem, if the height of the upright post is increased, the whole height of the table top of the mahjong machine is increased, and the comfort of use is affected; if the stand column is controlled to lift by the independent driving motor, the manufacturing cost is too high. In addition, because the tabletop main body of the mahjong machine is heavy, the gravity center of the whole mahjong machine deflects towards the folding side in the overturning process and in the folding state, the stability is poor, the mahjong machine is very easy to topple towards the folding side of the tabletop main body, and the mahjong machine is usually placed against a wall.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide the mahjong machine and the folding mechanism thereof, wherein the tabletop main body is lifted up in the overturning and folding process, so that the mahjong machine with a larger tabletop size can realize overturning and folding.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a folding mechanism for a mahjong machine comprises a connecting seat (411), a movable seat (403), a connecting rod (404), a cam (410) and a lifting driving mechanism, wherein the connecting seat (411) is fixedly connected with a desktop main body (1) of the mahjong machine or integrally formed, one side of the movable seat (403) is hinged with one side of the bottom of the connecting seat (411) through a first hinge shaft (401), the other side of the movable seat (403) is hinged with one side of the top of a stand column (2) of the mahjong machine through a second hinge shaft (402), the upper end of the connecting rod (404) is hinged with the other side of the bottom of the connecting seat (411) through a third hinge shaft (405), the lower end of the connecting rod (404) is driven by the lifting driving mechanism to lift up and down, and the cam (410) is fixed on the movable seat (403) and can be in abutting contact with the lower end of the connecting rod (404); wherein the first hinge shaft (401), the second hinge shaft (402) and the third hinge shaft (405) are disposed parallel to each other.

Preferably, the upright post (2) is a hollow columnar body, a fixing seat (203) is fixedly arranged or integrally formed at the top of the hollow columnar body, the movable seat (403) is hinged with the fixing seat (203), an upper mounting seat (204) is fixedly connected or integrally formed in the fixing seat (203), a lower mounting seat (202) is fixedly arranged or integrally formed at the lower part of the hollow columnar body, and the lifting driving mechanism is arranged between the upper mounting seat (204) and the lower mounting seat (202).

Preferably, the lifting driving mechanism comprises a screw rod (409), a nut (408) and a motor (407), wherein the upper end and the lower end of the screw rod (409) are respectively arranged on the upper mounting seat (204) and the lower mounting seat (202), the motor (407) is arranged on the lower mounting seat (202) and is in transmission connection with the screw rod (409), the nut (408) is sleeved on the screw rod (409) and is in threaded connection with the screw rod (409), and the lower end of the connecting rod (404) is hinged with the nut (408).

Preferably, a bearing (4081) for abutting and matching with the cam (410) is mounted on the nut (408).

Preferably, a bearing (4081) is arranged on each of two hinged shafts of the nut (408) and the connecting rod (404), the cam (410) is U-shaped, and two cam parts on two sides of the U-shape are respectively matched with the two bearings (4081).

Preferably, the cam (410) comprises a first cam part for pushing and lifting the center height of the tabletop body and a second cam part for hooking and pulling to limit the tabletop body from overturned excessively.

Preferably, the cam (410) is fixed on one side of the movable seat (403) close to the first hinge shaft (401); the desktop main body (1) is turned over towards one side of the upright post (2) close to the first hinge shaft (401) and folded, when the desktop main body (1) is turned over around the first hinge shaft (401) firstly, when the cam (410) is abutted against the lower end of the connecting rod (404), the connecting rod (404) drives one side of the first hinge shaft (401) of the movable seat (403) to be lifted through the cam (410), and the movable seat (403) is turned over around the second hinge shaft (402) until the turnover is folded in place.

Preferably, the movable base (403) has a frame structure, and the link (404) is inserted into the frame of the movable base (403).

Preferably, the connecting seat (411) is fixed at the bottom of the electrical box (11) of the mahjong machine in a plate shape, a first hinging seat (412) and a second hinging seat (406) are respectively fixed at the bottom of the connecting seat (411), the first hinging seat (412) is hinged with the movable seat (403) through a first hinging shaft (401), and the second hinging seat (406) is hinged with the connecting rod (404) through a third hinging shaft (405).

A mahjong machine comprises a folding mechanism for the mahjong machine.

According to the technical scheme, the tabletop main body is turned and folded towards one side of the upright post, which is close to the first hinge shaft, when the tabletop main body is turned and folded, the tabletop main body turns around the first hinge shaft, when the cam is abutted against the lower end of the connecting rod, the connecting rod drives one side of the first hinge shaft of the movable seat to lift through the cam, and the movable seat starts to turn around the second hinge shaft, so that the center height of the tabletop main body is lifted, and the mahjong machine with a larger tabletop size (the half width of the tabletop is larger than the height of the upright post) can also be turned and folded. And because the tabletop main body also rotates around the second hinge shaft in the lifting process, the excessive deviation of the gravity center of the tabletop main body is avoided, the stability is better, and the tabletop main body is not easy to roll.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not limit the application.

FIG. 1 is a schematic view of the mahjong machine (unfolded use state) of the present utility model;

FIG. 2 is a schematic view of the mahjong machine (turning folded state) according to the present utility model;

FIG. 3 is an exploded view of the folding mechanism of the present utility model;

FIG. 4 is a schematic view of the operation of the folding mechanism of the present utility model (unfolded use state);

FIG. 5 is a schematic view of the folding mechanism of the present utility model in operation (flipped about a first hinge axis);

FIG. 6 is a schematic view of the folding mechanism of the present utility model in operation (flipped about a second hinge axis);

fig. 7 is a schematic diagram of the operation process (inverted folded state) of the folding mechanism of the present utility model.

1, a desktop main body; 11. an electric appliance box;

2. a column; 201. a column plate body; 202. a lower mounting seat; 203. a fixing seat; 204. an upper mounting seat;

3. a base;

401. a first hinge shaft; 402. a second hinge shaft; 403. a movable seat; 404. a connecting rod; 405. a third hinge shaft; 406. the second hinge seat; 407. a motor; 408. a nut; 4081. a bearing; 409. a screw rod; 410. a cam; 411. a connecting seat; 412. a first hinge base.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise, and furthermore it is to be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The mahjong machine shown in fig. 1 and 2 comprises a desktop main body 1, an upright post 2 and a base 3, wherein a mahjong machine core is arranged on the desktop main body 1, the mahjong machine core has heavy weight, and an electric box 11 is arranged in the center of the bottom of the desktop main body 1.

The folding mechanism for mahjong machine shown in fig. 3 comprises a connecting seat 411, a movable seat 403, a connecting rod 404, a cam 410 and a lifting driving mechanism, wherein the connecting seat 411 is fixedly connected with or integrally formed with the electrical box 11, one side of the movable seat 403 is hinged with one side of the bottom of the connecting seat 411 through a first hinge shaft 401, the other side of the movable seat 403 is hinged with one side of the top of the upright post 2 through a second hinge shaft 402, the upper end of the connecting rod 404 is hinged with the other side of the bottom of the connecting seat 411 through a third hinge shaft 405, the lower end of the connecting rod 404 is driven by the lifting driving mechanism to lift up and down, and the cam 410 is fixed on the movable seat 403 and can be in abutting contact with the lower end of the connecting rod 404; wherein the first hinge shaft 401, the second hinge shaft 402 and the third hinge shaft 405 are disposed in parallel to each other.

Like this, desktop main part 1 is to the side upset folding of stand 2 near first articulated shaft 401, when upset folding, desktop main part 1 overturns around first articulated shaft 401 earlier, when cam 410 offsets the lower extreme of contact with connecting rod 404, connecting rod 404 passes through cam 410 and drives the first articulated shaft 401 one side lifting of movable seat 403, movable seat 403 and desktop main part 1 begin to overturn around second articulated shaft 402, until the upset is in place, thereby the desktop main part has realized the promotion of desktop main part central height in the upset folding process, make the great mahjong machine of desktop size (the half width of desktop is greater than the height of stand) also can realize the upset folding. In addition, because the tabletop main body 1 rotates around the second hinge shaft in the lifting process, the excessive deviation of the gravity center of the tabletop main body is avoided, the stability is better, and the tabletop main body is not easy to roll.

In this embodiment, preferably, the upright 2 includes an upright plate 201, a lower mounting seat 202, a fixing seat 203 and an upper mounting seat 204, where multiple upright plate 201 are spliced and fixed to form a hollow column body, the top of the hollow column body is fixedly provided with the fixing seat 203, the movable seat 403 is hinged with the fixing seat 203, the fixing seat 203 is fixedly connected or integrally formed with the upper mounting seat 204, the lower part of the hollow column body is fixedly provided with the lower mounting seat 202, and the lifting driving mechanism is installed between the upper mounting seat 204 and the lower mounting seat 202. Thus, the lifting driving mechanism, the connecting rod 404 and the movable seat 403 can be contained in the upright post 2, and the lifting driving mechanism has reasonable structure and simple and attractive appearance.

In other embodiments, the fixing base 203 may be integrally formed with the pillar body. Likewise, the upper mounting seat 204 and the lower mounting seat 202 may be integrally formed with the column body.

In this embodiment, preferably, the lifting driving mechanism is a screw-nut driving mechanism, and includes a screw 409, a nut 408 and a motor 407, where the upper and lower ends of the screw 409 are respectively mounted on the upper mounting seat 204 and the lower mounting seat 202, the upper mounting seat 204 and the lower mounting seat 202 are respectively mounted with flange bearings, the motor 407 is mounted on the lower mounting seat 202 and is in transmission connection with the screw 409, the nut 408 is sleeved on the screw 409 and is in threaded connection with the screw 409, and the lower end of the connecting rod 404 is hinged with the nut 408.

In this embodiment, the nut 408 is preferably provided with a bearing 4081 for abutting engagement with the cam 410. Further preferably, the bearing 4081 is mounted on a hinge shaft of the nut 408 and the connecting rod 404, and for force balance, one bearing 4081 is mounted on each of two hinge shafts of the nut 408 and the connecting rod 404, and the cam 410 is in a U shape, and two cam parts of the U shape are respectively matched with the two bearings 4081.

In this embodiment, preferably, the connection base 411 is fixed at the bottom of the electrical box 11 in a plate shape, the bottom of the connection base 411 is fixed with a first hinge base 412 and a second hinge base 406 respectively, the first hinge base 412 is hinged with the movable base 403 through a first hinge shaft 401, and the second hinge base 406 is hinged with the connecting rod 404 through a third hinge shaft 405.

In this embodiment, the movable seat 403 is preferably in a frame structure, so that the connecting rod 404 can be inserted into the frame of the movable seat 403.

In this embodiment, the cam 410 is preferably fixed on the side of the movable seat 403 near the first hinge shaft 401, and the cam 410 includes a first cam portion for pushing and lifting the center height of the table top body and a second cam portion for hooking and limiting the excessive turning of the table top body.

In this embodiment, the first hinge shaft 401, the second hinge shaft 402, and the third hinge shaft 405 are not limited to shaft type, rod type, and pin shaft type members, and may be shaft type, sleeve type, or rivet type members, may be independent members, or may be composed of a plurality of members having a common axis.

The overturning and folding process of the folding mechanism is as follows:

as shown in fig. 4, in the initial position, the nut 408 is at the bottom, the connection seat 411 is horizontal, and the table top main body 1 is in a horizontally unfolded use state.

When the overturning and folding process starts, as shown in fig. 5, the motor 407 drives the screw rod 409 to rotate, the nut 408 rises, the connecting rod 404 rises, the upper end of the connecting rod 404 pushes the connecting seat 411 to rotate around the first hinge shaft 401, and in the process, the movable seat 403 is horizontally placed on the fixed seat 203 and the upper mounting seat 204, and the tabletop main body 1 overturns around the first hinge shaft 401.

The motor 407 drives the screw rod 409 to continue to rotate, and the lower ends of the nut 408 and the connecting rod 4 continue to ascend; until the bearing 4081 on the nut 408 is pushed against the first cam portion of the cam 410 fixed to the movable base 403, as shown in fig. 6, the movable base 403 starts to rotate about the second hinge shaft 402, and the table top main body 1 continues to be turned over while its center height is raised.

The motor 407 drives the screw rod 409 to continue to rotate, the lower ends of the nut 408 and the connecting rod 4 continue to ascend, the movable seat 403 rotates around the second hinge shaft 402, and the tabletop main body 1 turns over and simultaneously lifts the center height of the tabletop main body; until the bearing 4081 on the nut 408 is pulled into contact with the second cam portion of the cam 410 secured to the movable seat 403, as shown in fig. 7, the movable seat 403 and the table top body 1 are folded over into place.

In the description of the present specification, the descriptions of the terms "one embodiment," "some embodiments," "one implementation," "a particular implementation," "other implementations," "examples," "particular examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment, implementation, or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described above may be combined in any suitable manner in any one or more embodiments, implementations, or examples. The technical scheme disclosed by the utility model also comprises the technical scheme that any one or more specific features, structures, materials or characteristics are formed singly or in combination.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, variations, deletions of parts, additions of features, or re-combination of features may be made to the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model, all such simple modifications, equivalents, and adaptations of the embodiments as may be made by the principles of the utility model and without departing from the scope of the utility model.

Claims (10)

1. The folding mechanism for the mahjong machine is characterized by comprising a connecting seat (411), a movable seat (403), a connecting rod (404), a cam (410) and a lifting driving mechanism, wherein the connecting seat (411) is fixedly connected with a table top main body (1) of the mahjong machine or integrally formed, one side of the movable seat (403) is hinged with one side of the bottom of the connecting seat (411) through a first hinge shaft (401), the other side of the movable seat (403) is hinged with one side of the top of a stand column (2) of the mahjong machine through a second hinge shaft (402), the upper end of the connecting rod (404) is hinged with the other side of the bottom of the connecting seat (411) through a third hinge shaft (405), the lower end of the connecting rod (404) is driven by the lifting driving mechanism to lift up and down, and the cam (410) is fixed on the movable seat (403) and can be in abutting contact with the lower end of the connecting rod (404); wherein the first hinge shaft (401), the second hinge shaft (402) and the third hinge shaft (405) are disposed parallel to each other.

2. The folding mechanism for mahjong machine according to claim 1, wherein the upright post (2) is a hollow column body, a fixed seat (203) is fixedly arranged at the top of the hollow column body or integrally formed with the hollow column body, the movable seat (403) is hinged with the fixed seat (203), an upper mounting seat (204) is fixedly connected in the fixed seat (203) or integrally formed with the movable seat, a lower mounting seat (202) is fixedly arranged at the lower part of the hollow column body or integrally formed with the lower mounting seat, and the lifting driving mechanism is arranged between the upper mounting seat (204) and the lower mounting seat (202).

3. The folding mechanism for a mahjong machine according to claim 2, wherein the lifting driving mechanism comprises a screw rod (409), a nut (408) and a motor (407), the upper end and the lower end of the screw rod (409) are respectively arranged on the upper mounting seat (204) and the lower mounting seat (202), the motor (407) is arranged on the lower mounting seat (202) and is in transmission connection with the screw rod (409), the nut (408) is sleeved on the screw rod (409) and is in threaded connection with the screw rod (409), and the lower end of the connecting rod (404) is hinged with the nut (408).

4. A folding mechanism for a mahjong machine according to claim 3, characterised in that the nut (408) is fitted with bearings (4081) for contact engagement against the cam (410).

5. The folding mechanism for mahjong machine according to claim 4, wherein a bearing (4081) is mounted on each of two hinged shafts of the nut (408) hinged with the connecting rod (404), the cam (410) is in a U shape, and two cam parts of the U shape are respectively matched with the two bearings (4081).

6. The folding mechanism for a mahjong machine according to claim 1, wherein the cam (410) includes a first cam portion for pushing up the center height of the table top body and a second cam portion for hooking and restraining the table top body from being overturned excessively.

7. A folding mechanism for a mahjong machine according to claim 1, wherein the cam (410) is fixed at one side of the movable seat (403) close to the first hinge shaft (401); the desktop main body (1) is turned over towards one side of the upright post (2) close to the first hinge shaft (401) and folded, when the desktop main body (1) is turned over around the first hinge shaft (401) firstly, when the cam (410) is abutted against the lower end of the connecting rod (404), the connecting rod (404) drives one side of the first hinge shaft (401) of the movable seat (403) to be lifted through the cam (410), and the movable seat (403) is turned over around the second hinge shaft (402) until the turnover is folded in place.

8. The folding mechanism for a mahjong machine according to claim 1, wherein the movable base (403) is of a frame structure, and the connecting rod (404) is penetrated inside the frame of the movable base (403).

9. The folding mechanism for a mahjong machine according to claim 1, wherein the connecting seat (411) is fixed at the bottom of an electrical box (11) of the mahjong machine in a plate shape, a first hinging seat (412) and a second hinging seat (406) are respectively fixed at the bottom of the connecting seat (411), the first hinging seat (412) is hinged with the movable seat (403) through a first hinging shaft (401), and the second hinging seat (406) is hinged with the connecting rod (404) through a third hinging shaft (405).

10. A mahjong machine comprising a folding mechanism for a mahjong machine as claimed in any one of claims 1 to 9.

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