阅读说明：本技术 一种麻将机升牌机构及其升牌摇臂 (Mahjong machine tile lifting mechanism and tile lifting rocker arm thereof ) 是由 朱国洋 于 2019-08-20 设计创作，主要内容包括：本发明公开了一种麻将机升牌机构及其升牌摇臂,其中麻将机升牌摇臂,包括：摇臂,其一侧面上设有定位柱；摇臂支座,转动设置在摇臂的一侧面上；弹性件,安装在摇臂支座上。其中,麻将机升牌机构,包括升牌板、升牌摇臂和旋转传动组件。本发明解决了现有全自动麻将机在升牌时如果升牌板上的麻将牌受到一定大的额外作用力时会导致机器的连动衔接部位错位或使某些配件损坏,恢复时需要人力和物力,因此也降低了机器的性能和结构的稳定性的问题,从而实现了升牌板可以自动复位,极大的降低了机器的故障率。(The invention discloses a mahjong machine tile lifting mechanism and a tile lifting rocker arm thereof, wherein the mahjong machine tile lifting rocker arm comprises: a positioning column is arranged on one side surface of the rocker arm; the rocker arm support is rotatably arranged on one side surface of the rocker arm; and the elastic piece is arranged on the rocker arm support. The mahjong machine tile lifting mechanism comprises a tile lifting plate, a tile lifting rocker arm and a rotary transmission assembly. The invention solves the problems that when the mahjong tiles on the tile lifting plate of the existing full-automatic mahjong machine are subjected to a certain extra acting force, the linkage connection part of the machine is staggered or certain accessories are damaged, and manpower and material resources are needed during recovery, so that the performance and the structural stability of the machine are reduced, the automatic reset of the tile lifting plate is realized, and the failure rate of the machine is greatly reduced.)

1. A mahjong machine rises tablet rocking arm which characterized in that includes:

a rocker arm (1), one side of which is provided with a positioning column (11);

the rocker arm support (2) is rotatably arranged on one side surface of the rocker arm (1); one side of the rocker arm support (2) is provided with an arc-shaped long through hole (21) which is in sliding connection with the positioning column (11) of the rocker arm (1);

the elastic piece (3) is arranged on the rocker arm support (2); the elastic piece (3) limits the positioning column (11) of the rocker arm (1) at one end of the arc-shaped long through hole (21) of the rocker arm support (2).

2. The mahjong machine tile lifting rocker arm according to claim 1, wherein a through hole is formed in the rotation center of the rocker arm (1); a rotating sleeve (22) is arranged at the rotating center of the rocker arm support (2); the rotating sleeve (22) is rotatably connected with a through hole at the rotating center of the rocker arm (1).

3. The mahjong machine tile lifting rocker arm according to claim 2, wherein the elastic member (3) is a torsion spring; the torsional spring is sleeved on a rotating sleeve (22) of the rocker arm support (2), one end of the torsional spring enables a positioning column (11) of the rocker arm (1) to abut against one end of an arc-shaped long through hole (21) of the rocker arm support (2), and the other end of the torsional spring abuts against the rocker arm support (2).

4. The mahjong machine tile lifting rocker arm according to claim 3, wherein a grooved wheel (12) is arranged on a positioning column (11) of the rocker arm (1); one end of the torsion spring is abutted against the groove on the peripheral surface of the grooved wheel (12).

5. The mahjong machine tile lifting rocker arm according to claim 3, wherein the rocker arm support (2) is provided with a clamping groove (23); the other end of the torsion spring is propped in a clamping groove (23) of the rocker arm support (2).

6. The mahjong machine tile lifting rocker arm of claim 1, further comprising:

and the connecting piece (4) is fixed at the rotating center of the rocker arm support (2) and is used for connecting a rotating transmission component of a mahjong machine tile lifting rocker arm.

7. A mahjong machine tile lifting mechanism is characterized by comprising a tile lifting plate (5), a tile lifting rocker arm and a rotary transmission assembly; one end of the tile lifting plate (5) is rotatably arranged on a rack of the mahjong machine; the structure of the tile lifting rocker arm is consistent with that of the tile lifting rocker arm of the mahjong machine as claimed in one of claims 1 to 6; the mahjong lifting rocker arm is arranged at the bottom of the mahjong lifting plate (5), the upper end of the rocker arm (1) is matched with the mahjong lifting plate (5), and the other end of the mahjong lifting plate (5) can be driven to lift or descend when the mahjong lifting rocker arm rotates; the rotary transmission assembly drives the mahjong lifting rocker arm to rotate.

8. The mahjong machine tile lifting mechanism according to claim 7, wherein the bottom of the tile lifting plate (5) is provided with a supporting block (51); a sliding groove (511) is arranged on one side surface of the supporting block (51); the top of the rocker arm (1) is connected with the sliding groove (511) in a sliding manner.

9. A mahjong machine tile lifting mechanism according to claim 8, characterized in that the top of the other side of the rocker arm (1) is provided with a bearing (13) which is connected with the sliding groove (511) of the supporting block (51) in a sliding way.

10. A mahjong machine tile lifting mechanism according to claim 7, wherein the rotary transmission component comprises a transmission shaft (6), a transmission gear (7) and a connecting rod (8); one end of the transmission shaft (6) is fixedly connected with the rotating center of the rocker arm support (2), and the other end of the transmission shaft is fixedly connected with the transmission gear (7); one end of the connecting rod (8) is provided with a rack (81) meshed with the transmission gear (7).

Technical Field

The invention relates to a mahjong machine tile lifting mechanism and a tile lifting rocker arm thereof.

Background

The oblique mahjong-feeding full-automatic mahjong machine with a tile pushing and lifting linkage mechanism in the market at present uses the power of a motor to complete the tile pushing and lifting actions through the transmission of a connecting rod, and has the main problems that the torque force of the motor is large when the tiles are pushed, so that the motor cannot be forcibly stopped under the action of external force, the tile pushing and the tile pushing are the power of the same motor, the whole tile pushing and the tile lifting are in a relay type process, and the motor is not stopped during the action, so that when the tiles on the tile lifting plate are subjected to a certain extra acting force, the linkage connection parts of the machine can be dislocated or certain accessories can be damaged, and the manual power and the material resources are needed during recovery, so that the performance of the machine and the stability of the structure are also reduced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a mahjong machine tile lifting rocker arm capable of automatically resetting, so that the failure rate of the machine is reduced.

The technical scheme for realizing the first purpose of the invention is as follows: a mahjong machine tile lifting rocker arm comprises:

a positioning column is arranged on one side surface of the rocker arm;

the rocker arm support is rotatably arranged on one side surface of the rocker arm; one side of the rocker arm support is provided with an arc-shaped long through hole which is in sliding connection with the positioning column of the rocker arm;

the elastic piece is arranged on the rocker arm support; the elastic piece limits the positioning column of the rocker arm at one end of the arc-shaped long through hole of the rocker arm support.

Furthermore, a through hole is formed in the rotating center of the rocker arm; a rotary sleeve is arranged at the rotary center of the rocker arm support; the rotary sleeve is rotatably connected with a through hole at the rotating center of the rocker arm.

Further, the elastic piece is a torsion spring; the torsional spring is sleeved on the rotary sleeve of the rocker arm support, one end of the torsional spring supports the positioning column of the rocker arm to one end of the arc-shaped long through hole of the rocker arm support, and the other end of the torsional spring supports the rocker arm support.

Furthermore, a grooved wheel is arranged on the positioning column of the rocker arm; one end of the torsion spring is abutted to the groove on the peripheral surface of the grooved pulley.

Furthermore, the rocker arm support is provided with a clamping groove; the other end of the torsion spring is abutted to the clamping groove of the rocker arm support.

Further, the rocker arm further comprises: and the connecting piece is fixed at the rotating center of the rocker arm support and is used for connecting a rotating transmission assembly of a mahjong machine tile lifting rocker arm.

The second purpose of the invention is to provide a mahjong machine tile lifting mechanism comprising the mahjong machine tile lifting rocker arm.

The technical scheme for realizing the second purpose of the invention is as follows: a mahjong machine tile lifting mechanism comprises a tile lifting plate, a tile lifting rocker arm and a rotary transmission assembly; one end of the tile lifting plate is rotatably arranged on a rack of the mahjong machine; the structure of the tile lifting rocker arm is consistent with that of the tile lifting rocker arm of the mahjong machine; the mahjong lifting rocker arm is arranged at the bottom of the mahjong lifting plate, the upper end of the rocker arm is matched with the mahjong lifting plate, and the other end of the mahjong lifting plate can be driven to lift or descend when the mahjong lifting rocker arm rotates; the rotary transmission assembly drives the mahjong lifting rocker arm to rotate.

Furthermore, a supporting block is arranged at the bottom of the tile lifting plate; a sliding groove is formed in one side face of the supporting block; the top of the rocker arm is connected with the sliding groove in a sliding mode.

Furthermore, a bearing in sliding connection with the sliding groove on the supporting block is installed at the top of the other side of the rocker arm.

Further, the rotary transmission assembly comprises a transmission shaft, a transmission gear and a connecting rod; one end of the transmission shaft is fixedly connected with the rotating center of the rocker arm support, and the other end of the transmission shaft is fixedly connected with the transmission gear; one end of the connecting rod is provided with a rack meshed with the transmission gear.

Further, the transmission gear is fan-shaped.

By adopting the technical scheme, the invention has the following beneficial effects:

(1) when the mahjong tiles are lifted, the rocker arm stops rotating when the mahjong tiles lifting plate is subjected to an additional acting force which is larger than the elastic force of the elastic element besides the self gravity of the mahjong tiles on the mahjong tiles lifting plate, but the rocker arm support of the mahjong tiles lifting rocker arm continues to rotate along with the rotation of the rotary transmission assembly due to the connecting element until the positioning column stops rotating to the other end of the arc-shaped long through hole, the elastic element is in a tensioning state, and when the additional acting force is removed, the rocker arm automatically rotates and resets under the rebounding acting force of the elastic element, so that the automatic resetting is realized, the performance and the structural stability of the mahjong machine are improved, and the failure rate of the mahjong machine is greatly reduced.

(2) The rocker arm and the rocker arm support of the mahjong lifting rocker arm are in rotating connection through the through hole and the rotating sleeve, so that the rocker arm support is not easy to fall off from the rocker arm, and the central axes of the rocker arm and the rocker arm support can be coincident.

(3) The positioning column is reset through torsion rebounding of the torsion spring, and the positioning column is convenient to install and high in stability.

(4) Because the positioning column is provided with the grooved wheel, the torsion spring can be clamped in the groove of the grooved wheel and is not easy to fall off when being tightened under the additional acting force.

(5) Because the rocker arm support is provided with the clamping groove, the other end of the torsion spring can be fixed on the rocker arm support, and therefore the installation stability of the torsion spring is improved.

(6) The connecting piece is fixed at the rotating center of the rocker arm support and is used for connecting the rotating transmission component of the mahjong machine tile lifting rocker arm, so that the connection between the mahjong machine tile lifting rocker arm and the rotating transmission component is more stable.

(7) The bottom of the tile lifting plate is provided with the supporting block, one side face of the supporting block is provided with the sliding groove, and the sliding groove can limit the rotating stroke of the rocker arm and plays a role in guiding.

(8) The bearing which is connected with the sliding groove on the supporting block in a sliding mode is arranged at the top of the other side of the rocker arm, so that the rocker arm and the sliding groove of the supporting block slide more smoothly, friction is reduced, and load of a motor is further reduced.

(9) The rotary transmission assembly of the invention converts the linear motion of the connecting rod into the rotary motion of the mahjong lifting rocker arm by arranging the rack meshed with the transmission gear at one end of the connecting rod, and has simple structure, convenient assembly and low cost.

(10) The transmission gear is fan-shaped, so that the weight is reduced, and the material cost is saved.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic view of the structure of a mahjong lifting rocker arm of the mahjong machine.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is a perspective view of fig. 1.

FIG. 4 is a schematic structural view of the tile lifting mechanism of the mahjong machine of the invention.

Fig. 5 is a perspective view of fig. 3.

The reference numbers in the drawings are:

1 rocker arm, 11 positioning columns, 12 grooved wheels and 13 bearings;

2, a rocker arm support, 21 arc-shaped long through holes, 22 rotating sleeves and 23 clamping grooves;

3, an elastic part and 4 connecting parts;

5 liter card board, 51 support block, 511 sliding groove;

6 transmission shafts, 7 transmission gears, 8 connecting rods and 81 racks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solution of the present invention will be described and explained in detail by means of several specific examples.

(example 1)

Referring to fig. 1 to 3, the mahjong machine tile lifting rocker arm of the embodiment comprises a rocker arm 1, a rocker arm support 2, an elastic member 3 and a connecting member 4.

A positioning column 11 is arranged on one side surface of the rocker arm 1. One side of the rocker arm support 2 is provided with an arc-shaped long through hole 21 which is in sliding connection with the positioning column 11 of the rocker arm 1. The rotating center of the rocker arm 1 is provided with a through hole. The rotating center of the rocker arm support 2 is provided with a rotating sleeve 22 which is rotatably connected with a through hole at the rotating center of the rocker arm 1, and the rotating sleeve 22 can be reversely buckled in the through hole at the rotating center of the rocker arm 1 to play a role in connection, but the rotation of the rocker arm 1 and the rocker arm support 2 cannot be influenced. The elastic piece 3 is arranged on the rocker arm support 2 and used for limiting the positioning column 11 of the rocker arm 1 at one end of the arc-shaped long through hole 21 of the rocker arm support 2. The elastic element 3 is a torsion spring, and may also be other elastic elements (such as a spring, a reed, etc.) which bounce after being subjected to an applied force and being tightened to remove the applied force. Specifically, when elastic component 3 is the torsional spring, the torsional spring cover is established on rocker arm support 2's rotating sleeve 22, the one end card of torsional spring supports reference column 11 in the recess of sheave 12 outer peripheral face on rocker arm 1's reference column 11 one end at rocker arm support 2's arc through-hole 21, the other end of torsional spring supports in rocker arm support 2's draw-in groove 23, when receiving extra effort, the state of tightening up that the torsional spring can be in, and when removing extra effort, the torsional spring can rebound towards the direction of reference column, thereby can make the rocker arm reset.

The connecting piece 4 is fixed in the rotating sleeve 22 of the rocker arm support 2 and is used for connecting a rotating transmission component of a mahjong machine tile lifting rocker arm.

In the tile lifting process, the rocker arm 1 stops rotating when the tile lifting plate receives an additional acting force which is larger than the torsion force of the torsion spring except the self gravity of mahjong tiles on the tile lifting plate, but the rocker arm support 2 can continue to rotate along with the rotation of the rotary transmission assembly because of the connecting piece 4 until the positioning column 11 stops when rotating to the other end of the arc-shaped long through hole 21, the torsion spring is in a tensioning state, when the additional acting force is removed, the rocker arm 1 can start to rotate under the rebounding acting force of the torsion spring until the torsion spring pushes the positioning column 11 back to one end of the arc-shaped long through hole 21 of the rocker arm support 2, then the tile lifting plate continues to rise, the tile lifting action is completed until the rising in place, the automatic reset of the tile lifting plate is realized, the performance and the structural stability of the mahjong machine are improved, and the fault rate of.

(example 2)

Referring to fig. 4 and 5, the tile lifting mechanism of the mahjong machine of the embodiment comprises a tile lifting plate 5, a tile lifting rocker arm and a rotary transmission assembly.

The mahjong lifting rocker arm of the mahjong machine in the embodiment 1 is adopted. One end of the tile lifting plate 5 is rotatably arranged on the rack of the mahjong machine. The bottom of the card lifting plate 5 is provided with a supporting block 51. A sliding groove 511 is provided on one side surface of the stay 51. The bearing 13 is arranged at the top of the other side of the rocker arm 1, the bearing 13 is connected with the sliding groove 511 in a sliding manner, and when the mahjong lifting rocker arm rotates, the other end of the mahjong lifting plate 5 can be driven to lift or descend. The rotary transmission assembly comprises a transmission shaft 6, a transmission gear 7 and a connecting rod 8. One end of the transmission shaft 6 is matched with the flat wire of the connecting piece 4 and is fixed by a screw arranged on the side surface of the connecting piece 4, and the other end of the transmission shaft is fixedly connected with the transmission gear 7. According to the stroke of the card lifting plate, the transmission gear can be designed into a fan shape, so that the weight can be reduced, and the material cost can be saved. One end of the connecting rod 8 is provided with a rack 81 meshed with the transmission gear 7, so that when the motor drives the connecting rod 8 to translate left and right, the rack 81 on the connecting rod 8 can drive the transmission gear 7 to rotate left and right, and meanwhile, the transmission shaft 6 drives the connecting piece 4 on the rocker arm 1 to enable the whole mahjong lifting rocker arm to rotate left and right, so that the mahjong lifting plate 5 is driven to descend and ascend; and when rising card board 5 and receiving the extra effort that is greater than 3 torsional spring torsion forces of elastic component in addition to the self gravity that rises the mahjong pieces on the card board 5, rocking arm 1 can stop rotating, but rocking arm support 2 then can continue to rotate along with the rotation of transmission shaft 6 because of connecting piece 4, stops when reference column 11 rotates the other end of arc slotted hole 21, 3 torsional springs of elastic component are in the tight state that rises, when removing above the extra effort, rocking arm 1 can begin rotatory the reseing under the 3 torsional spring torsion forces of elastic component, has promoted the performance of mahjong machine and the stability of structure, very big reduction the fault rate of machine.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.