CN212522973U - Middle lifting device of mahjong machine - Google Patents
Middle lifting device of mahjong machine Download PDFInfo
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- CN212522973U CN212522973U CN202020642952.4U CN202020642952U CN212522973U CN 212522973 U CN212522973 U CN 212522973U CN 202020642952 U CN202020642952 U CN 202020642952U CN 212522973 U CN212522973 U CN 212522973U
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Abstract
The utility model relates to a mahjong machine technical field specifically discloses middle elevating gear of mahjong machine, including well rising motor, lifter and control panel, well rising motor drives the lifter and goes up and down, is connected with the connecting seat between lifter and the control panel, and the connecting seat can be followed the lifter height direction and removed, can dismantle through the mounting that is equipped with between connecting seat and the lifter and be connected, and the connecting seat can be dismantled with the control panel and be connected. The scheme is used for solving the problems that the middle lifting mechanism of the mahjong machine in the prior art is troublesome to adjust and high in adjusting cost in the adjustment of the lowest position of the lifting rod.
Description
Technical Field
The utility model relates to a mahjong machine technical field specifically is middle elevating gear of mahjong machine.
Background
Playing mahjong is one of the main entertainment of people at present, and the mahjong machine provides great convenience for people, can replace the manual work to realize automatic shuffling and stacking, thereby making the playing degree of mahjong higher.
The mahjong machine comprises support legs and a case body, the case body also comprises a case body, and a middle lifting mechanism, a shuffling mechanism, a conveying mechanism, a mahjong stacking mechanism, a mahjong lifting mechanism and a mainboard control system which are positioned in the case body, wherein the existing shuffling mechanism comprises a large-disc motor for driving a large disc to rotate, and the large-disc motor is fixedly arranged below a bottom plate of the case body; the middle lifting device comprises a middle lifting motor, a middle lifting seat, a lifting rod and a control panel, the middle lifting motor is fixedly arranged on a bottom plate of the mahjong machine, a motor cover is arranged below the bottom plate, and the motor cover is used for protecting a large-disk motor and the middle lifting motor which are positioned below the bottom plate; the middle lifting seat is used for providing a guiding effect for the lifting of the lifting rod, and the top of the lifting rod is connected with a control panel for placing dice.
The existing mahjong machine is popular with the public but still has the following problems:
firstly, after the mahjong machine is used for a long time, the control panel connected with the top of the lifting rod is always not level with the surface of the box body, namely, after the lifting rod is lowered to the lowest position, the surface of the control panel is not level with the surface of the machine box main body; at this time, the position of the middle lift motor needs to be adjusted to realize the adjustment of the lowest height of the lifting rod, so that the surface of the control panel is flush with the surface of the case main body. However, the case body must be placed upside down when the position of the middle-lift motor is adjusted, or a human body drills under the case body, the motor cover is taken out, and finally the position of the middle-lift motor is adjusted, so that the operation is troublesome, and the motor contained in the motor cover comprises the middle-lift motor, a large-disk motor and related circuits due to the adjustment of the motor cover and the middle-lift motor, so that the whole adjustment process needs professional personnel, and the adjustment cost is increased.
Secondly, control panel and lifter fixed connection are equipped with the different buttons in southeast and northwest on the control panel, and there is the problem of angle deviation in the southeast and northwest button and the southeast and northwest on the mahjong machine box on the control panel often appears.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is providing middle elevating gear of mahjong machine to solve among the prior art middle elevating system of mahjong machine trouble and the high problem of adjustment cost of regulation to the regulation existence of lifter lowest position.
In order to achieve the above object, the basic scheme of the present invention is as follows:
middle elevating gear of mahjong machine, including well liter motor, lifter and control panel, well liter motor drives the lifter and goes up and down, is connected with the connecting seat between lifter and the control panel, and the connecting seat can be followed the high direction of lifter and removed, can dismantle through the mounting that is equipped with between connecting seat and the lifter and be connected, and the connecting seat can be dismantled with the control panel and be connected.
Compare the beneficial effect in prior art:
the control panel is connected through addding the connecting seat that can follow the lifter direction of height removal in this scheme, make when the lifter descends bottommost and the surface of control panel is not at ordinary times with quick-witted case main part's surface, the high position of direct adjustment connecting seat at the lifter, with the leveling of realization control panel and quick-witted case main part, the dismouting that whole process does not relate to motor cover interior motor also can not influence the circuit connection condition, therefore ordinary citizen just can stretch out quick-witted case main part at the lifter and adjust by oneself, it has reduced adjustment cost to adjust conveniently and do not need professional to adjust specially.
Further, the control panel includes the operation panel, is equipped with the regulation hole on the operation panel, is equipped with the locating hole on the connecting seat, can dismantle on the operation panel and be connected with the connecting piece, and the connecting piece passes through locating hole and regulation hole with operation panel and connecting seat fixed connection, and the regulation hole is the arc, and the center of a circle of arc coincides with the center of operation panel.
Has the advantages that: the angle adjustment of the control panel is realized through the connection of the connecting piece and different positions of the adjusting hole, so that the angle adjustment of the operation panel is carried out when the southeast and northwest buttons on the control panel are inconsistent with the southeast and northwest directions on the box body.
Further, be equipped with the carousel in the operation panel, the carousel top is equipped with the apron, and the connection can be dismantled on the operation panel to the apron, forms dice activity space between carousel and the apron, and the carousel middle part is upwards protruding, constitutes between the protruding bottom of carousel and the operation panel and holds the chamber, holds the intracavity and is equipped with the dice motor, and dice motor fixed connection is on the operation panel, and the dice motor drives the carousel and rotates.
Has the advantages that: after the dice motor drives the turntable to rotate, the dice can move along the edges of the dice activity space under the action of centrifugal force, the middle part of the dice activity space is vacant, and the vacant space in the middle part is just occupied by the upward bulge in the middle part of the turntable, so that the dice activity space is fully utilized, and the activity of the dice driven by the turntable is not influenced; this scheme is compared and is placed the dice motor and compare in the operation dish bottom, and the holistic height of control panel is littleer.
Furthermore, the operation panel comprises a shell and a supporting disc, the supporting disc is detachably connected with the shell, the adjusting hole is formed in the shell, the supporting disc is located between the rotary disc and the shell, the dice motor is fixedly connected onto the supporting disc, a circuit board is detachably connected into the shell, a space for a lead to pass through is formed between the supporting disc and the shell, and the lead is used for connecting the circuit board and the mainboard control system; the shell and the connecting seat are respectively provided with a through hole, the lifting rod is provided with a hollow channel, the hollow channel is communicated with the through hole, and the through hole is communicated with a space for the lead to pass through.
Has the advantages that: the wire is connected with a main board control system of the mahjong machine, in the prior art, in order to enable the wire to be connected with a circuit board after passing through the lifting rod, an inclined wire slot needs to be processed on the shell, and the existence of the wire slot increases the manufacturing cost of a mold for producing the shell; and need not increase alone in this scheme the wire casing also can realize placing the wire, reduced the mould cost of making the shell relatively.
The lifting rod is connected to the middle lifting seat in a sliding manner, and the middle lifting motor is connected to the middle lifting seat; the side wall of the middle lifting seat is provided with an opening, and the opening is used for providing clearance for the large-disc motor.
Has the advantages that: the middle lifting seat is arranged, so that the middle lifting motor is directly arranged on the middle lifting seat, and the middle lifting seat is also provided with a clearance opening for accommodating the large-disc motor, so that the size of the large-disc motor and the middle lifting motor extending out of the mahjong machine case main body is reduced, and the reduction of the size of the mahjong machine case main body is facilitated.
Furthermore, a fixed plate is detachably connected to the middle lifting seat, a middle lifting motor is detachably connected to the fixed plate, and the middle lifting motor is opposite to the large-disc motor; further make the installation of big dish motor and well liter motor compacter, space utilization is higher.
Furthermore, fixedly connected with even board on the lifter, be equipped with the guide way on the well seat that rises, even board sliding connection is in the guide way, and well liter motor drives even board and reciprocates.
Has the advantages that: through the setting of even board and guide way for the lift of lifter has the direction of well rising seat, has the direction of guide way and even board again, therefore lifter lift process is more stable.
Furthermore, the middle lifting seat is detachably connected with a lengthening block, the lengthening block is provided with a lengthening hole, the lifting rod penetrates through the lengthening hole, and the lifting rod is connected in the lengthening hole in a sliding mode.
Has the advantages that: the lengthened hole of the lengthened block prolongs the guide length of the lifting rod in the lifting process, and is favorable for enhancing the stability of the lifting rod in the lifting process.
Further, the lifting rod is in threaded connection with the connecting seat; the height adjustment of the connecting seat on the lifting rod is convenient to realize by the threaded connection mode.
Furthermore, be equipped with the adjustment tank on the lifter, the adjustment tank is the spiral, and the top of adjustment tank extends to the top of lifter, is equipped with the projection on the connecting seat, and projection sliding connection is in the adjustment tank.
Has the advantages that: because the convex column is connected in the adjusting groove in a sliding manner, and the adjusting groove is spiral, the spiral adjusting groove can support the convex column, and after the position of the convex column relative to the adjusting groove is adjusted, namely the height of the connecting seat is adjusted relative to the lifting rod, the connecting seat and the lifting rod are fixedly connected through the fixing piece.
Drawings
FIG. 1 is an isometric view of a control panel according to an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a bottom view of FIG. 2;
fig. 4 is an isometric view of a riser seat according to a first embodiment of the present invention;
FIG. 5 is an isometric view of another orientation of a riser block according to an embodiment of the present invention;
fig. 6 is an isometric view of a fixing plate according to a first embodiment of the present invention;
fig. 7 is a schematic view illustrating a connection relationship between the housing and the connecting seat according to a first embodiment of the present invention;
fig. 8 is a schematic view illustrating a connection between a connection seat and a lifting rod according to a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the lifting device comprises a middle lifting seat 1, an opening 12, a sliding groove 13, a guide groove 14, a counter bore 15, a lifting rod 2, a large disc motor 3, a fixing plate 4, a flange 41, a convex strip 43, a screw hole 42, a middle lifting motor 5, a rotating block 51, a shifting block 52, a connecting plate 6, a pin 7, an extension block 8, a connecting seat 9, a control disc 10, an operation disc 101, a rotary disc 102, a cover plate 103, a dice motor 104, a shell 105, a supporting disc 106, an adjusting hole 107, a through hole 108, a circuit board 109, an adjusting groove 21 and a convex column 91.
Example one
An embodiment substantially as described herein with reference to figures 1 to 7 of the accompanying drawings:
referring to fig. 1 to 3, the middle lifting device of the mahjong machine comprises a middle lifting motor 5, a middle lifting seat 1, a lifting rod 2 and a control panel 10, wherein the middle lifting seat 1 is fixedly connected to a bottom plate of a box body of the mahjong machine through screws.
Combine fig. 4 and fig. 5, the lifter 2 runs through well liter 1, the vertical sliding connection of lifter 2 is on well liter 1, integrated into one piece has two openings 12 on the lateral wall of well liter 1, two openings 12 are relative, one of them opening 12 is used for providing the clearance for big dish motor 3, integrated into one piece has vertical spout 13 on well liter 1, spout 13 is located the lateral wall of another opening 12, sliding connection has fixed plate 4 on spout 13, combine fig. 6, integrated into one piece has sand grip 43 on fixed plate 4, sand grip 43 of fixed plate 4 can sliding connection in spout 13.
With reference to fig. 2, 3 and 6, the fixing plate 4 is used for fixing the middle-lift motor 5 (the middle-lift motor 5 is opposite to the large-disc motor 3), the output shaft of the middle-lift motor 5 is fixedly connected with a rotating block 51, one end of the rotating block 51, which is far away from the output shaft of the middle-lift motor 5, is fixedly connected with a shifting block 52, the fixing plate 4 is integrally formed with a fixing flange 41, the fixing flange 41 can be attached to the bottom surface of the middle-lift seat 1, the fixing flange 41 is integrally formed with a screw hole 42, the middle-lift seat 1 is integrally formed with a stud, and the fixing plate 4 is fixed on the middle-lift seat 1 through the screw, the screw hole 42.
Two vertical guide grooves 14 are integrally formed on the inner wall of the middle lifting seat 1, and the two guide grooves 14 are symmetrical along the central axis of the lifting rod 2; there is even board 6 through pin 7 connection on lifter 2, even 6 vertical sliding connection of board in guide way 14, shifting block 52 is located even 6 below of board, and well liter motor 5 starts then to drive shifting block 52 and rotate, and then promotes even 6 drive lifter 2 rebound of board, and lifter 2 relies on self gravity and the gravity of the control panel 10 that lifter 2 top is connected to realize the lapse.
Well rising seat 1 go up still integrated into one piece have counter bore 15, and screwed connection has lengthened piece 8 on counter bore 15, and integrated into one piece has the vertical gliding elongated hole that supplies the lifter on lengthening piece 8, and lifter 2 runs through the elongated hole, and integrated into one piece has a plurality of to lead to the groove on the inner wall that adds the elongated hole, and a plurality of leads to the groove along the circumferential equipartition of elongated hole.
The extension block 8 is located above the guide groove 14.
The top that control panel 10 was connected to lifter 2 is equipped with connecting seat 9, control panel 10 passes through screw and connecting seat 9 fixed connection, the inside cavity of lifter 2, integrated into one piece has the internal thread on the lifter 2, integrated into one piece has the external screw thread with interior screw-thread fit on the connecting seat 9, processing has the fixed orifices on the lifter 2, threaded connection has the mounting on the fixed orifices, the mounting adopts the screw, the mounting (screw promptly) can support tightly with connecting seat 9, the mounting (screw promptly) is used for forming fixed connection with connecting seat 9 and lifter 2.
With reference to fig. 1, 2 and 7, the control panel 10 includes an operation panel 101, a turntable 102, a cover plate 103 and a dice motor 104, the operation panel 101 includes a housing 105 and a support plate 106, the support plate 106 is located between the turntable 102 and the housing 105, an adjustment hole 107 is integrally formed on the housing 105, the adjustment hole 107 is arc-shaped, and the center of the arc coincides with the center of the operation panel 101; the connecting seat 9 is integrally formed with a positioning hole, an internal thread is processed in the positioning hole, the shell 105 is in threaded connection with a connecting piece, the connecting piece adopts a screw, the shell 105 and the connecting seat 9 are locked and fixed through the positioning hole and an adjusting hole 107 by the connecting piece, and a circuit board 109 is connected in the shell 105 through the screw.
A space for a lead to pass through is formed between the supporting disk 106 and the shell 105, the lead is used for connecting the circuit board 109 and a mainboard control system, a plurality of reinforcing ribs uniformly distributed along the circumferential direction of the operating disk 101 are integrally formed on the shell 105, the length direction of each reinforcing rib is the radial direction of the operating disk 101, and the reinforcing ribs are used for ensuring the strength of the shell 105 when the space for the lead to pass through is formed; a through hole 108 is integrally formed on the housing 105 and the connecting seat 9, a hollow passage is formed inside the lifting rod 2, the hollow passage of the lifting rod 2 is communicated with the through hole 108, and the through hole 108 is communicated with a space for a lead to pass through.
The lead wire led out from the main board control system of the mahjong machine passes through the hollow channel of the lifting rod 2, the through hole 108 of the connecting seat 9, the through hole 108 of the shell 105, and a space for the lead wire to pass through is formed between the supporting disk 106 and the shell 105, and then is connected with a circuit board 109 connected with the buttons on the operation panel 101 in the south, the west and the north.
The supporting plate 106 is fixedly connected with the shell 105 through a screw, the turntable 102 is positioned above the supporting plate 106, the cover plate 103 is positioned above the turntable 102, the cover plate 103 is transparent, and the cover plate 103 is clamped on the shell 105; a dice activity space is formed between the turntable 102 and the cover plate 103, the middle of the turntable 102 protrudes upwards, an accommodating cavity is formed between the bottom of the protrusion of the turntable 102 and the supporting plate 106 and used for placing a dice motor 104, the dice motor 104 is clamped on the supporting plate 106, the output shaft of the dice motor 104 faces upwards, and the dice motor 104 drives the turntable 102 to rotate.
The specific implementation process is as follows:
firstly, lifting a lifting rod;
Secondly, descending the lifting rod 2:
when the middle-lift motor 5 is continuously started, the shifting block 52 moves downwards, the connecting plate 6 loses the upward supporting force of the shifting block 52, the connecting plate 6, the lifting rod 2, the connecting seat 9 and the control disc 10 move downwards under the action of gravity, and after the lifting rod 2 moves downwards to the lowest position, the middle-lift motor 5 stops.
In the lifting process of the lifting rod 2, the elongated holes of the middle lifting seat 1 and the elongated block 8 guide the lifting of the lifting rod 2 at the middle upper part of the lifting rod 2, and the guide groove 14 of the middle lifting seat 1 and the connecting plate 6 guide the lifting of the lifting rod 2 at the lower part of the lifting rod 2, so that the lifting stability of the lifting rod 2 is high.
Third, leveling of the control panel 10
When the lifting rod 2 descends to the bottommost part and the upper surface of the control panel 10 is not level with the surface of the box body of the mahjong machine, a screw (also a fixing piece) penetrating through the fixing hole can be manually detached firstly, so that the connecting seat 9 can be connected with the lifting rod 2 through threads for height adjustment, and after the height adjustment is in place (also the upper surface of the control panel 10 is level with the surface of the box body of the mahjong machine), the screw is screwed through the fixing hole again, so that the connecting seat 9 is fixedly connected with the lifting rod 2 again; the whole process of finely adjusting the height of the control panel 10 does not involve the disassembly and assembly of a motor in a hood of a mahjong machine, and the circuit connection condition in the box body cannot be influenced, so that common citizens can adjust the height of the lifting rod 2 after the lifting rod extends out of the case body, the adjustment is simple and convenient, and the adjustment cost is low.
Fourthly, angle adjustment of the control panel 10
When the southeast and northwest buttons on the control panel 10 are not consistent with the southeast and northwest directions on the box body, the cover plate 103, the turntable 102 and the dice motor 104 are detached from the shell 105, the arc-shaped adjusting holes 107 and the connecting pieces on the shell 105 are exposed, the connecting pieces (namely screws) are loosened, so that the shell 105 can rotate, and when the shell 105 rotates to a certain angle, so that the southeast and northwest buttons on the control panel 10 are consistent with the southeast and northwest directions on the box body, the connecting pieces are screwed again, so that the shell 105 and the connecting seat 9 are fixedly locked; the angle adjustment of the control disk 10 is realized by connecting the connecting piece with different positions of the adjusting hole 107.
In the first embodiment, the middle-lift motor 5 is connected to the middle-lift seat 1 through the fixing plate 4, so that the middle-lift motor 5 can be integrally connected with the middle-lift seat 1 and then the middle-lift seat 1 is mounted on the bottom plate of the mahjong machine box body, and the middle-lift device except the control panel 10 is integrally assembled and then connected with the mahjong machine box body in the production process, so that the assembly after assembly according to parts in the production process is facilitated, and the production efficiency is further improved; the fixing plate 4 slides into the sliding groove 13 first and then is mounted on the middle lifting seat 1 through screws, so that the mounting convenience of the fixing plate 4 is guaranteed, and the mounting positions of the fixing plate 4 are the same each time; in addition, the convex strip 43 of the fixing plate 4 is matched with the sliding groove 13 on the middle lifting seat 1, so that the contact area between the fixing plate 4 and the middle lifting seat 1 is increased, and the connection stability between the fixing plate 4 and the middle lifting seat 1 is favorably improved.
In addition, the middle lifting seat 1 is integrally formed with an opening 12 convenient for the large-disk motor 3 to keep away, so that the large-disk motor 3 can be accommodated, the large-disk motor 3 does not need to be integrally suspended and fixed at the bottom of a bottom plate (the bottom plate of a mahjong machine box body), and the size of the mahjong machine case main body is favorably reduced.
Example two
The difference between the second embodiment and the first embodiment is that the height adjustment manner of the connecting seat 9 on the lifting rod 2 is not a threaded adjustment manner, and in combination with fig. 8, the following specific steps are performed: seted up adjustment tank 21 on the lifter 2, adjustment tank 21 is the spiral, and the top of adjustment tank 21 extends to the top of lifter 2, and the welding has projection 91 on the connecting seat 9, and projection 91 sliding connection is in adjustment tank 21 (connecting seat 9 and lifter 2 no longer are provided with the screw thread of mutually supporting).
The fixing mode of the lifting rod 2 and the connecting seat 9 is the same as that of the first embodiment, specifically: processing has the fixed orifices on the lifter 2, and threaded connection has the mounting on the fixed orifices, and the mounting adopts the screw, and the mounting (screw promptly) can support tightly with connecting seat 9, and the mounting (screw promptly) is used for making connecting seat 9 and lifter 2 form fixed connection through screwing up the mounting after 9 altitude mixture control of connecting seat accomplishes.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Middle elevating gear of mahjong machine, including well liter motor, lifter and control panel, well liter motor drives the lifter and goes up and down, its characterized in that: be connected with the connecting seat between lifter and the control panel, the connecting seat can be followed the lifter height direction and removed, can dismantle through the mounting that is equipped with between connecting seat and the lifter and be connected, and the connecting seat can be dismantled with the control panel and be connected.
2. The intermediate lifting device of a mahjong machine according to claim 1, wherein: the control panel includes the operation panel, is equipped with the regulation hole on the operation panel, is equipped with the locating hole on the connecting seat, can dismantle on the operation panel and be connected with the connecting piece, and the connecting piece passes through locating hole and regulation hole with operation panel and connecting seat fixed connection, and the regulation hole is the arc, and the central coincidence of curved centre of a circle and operation panel.
3. The intermediate lifting device of a mahjong machine according to claim 2, wherein: the improved automatic die-cutting machine is characterized in that a rotary disc is arranged in the operating disc, a cover plate is arranged above the rotary disc, the cover plate can be detachably connected to the operating disc, a dice activity space is formed between the rotary disc and the cover plate, the middle of the rotary disc is upwards convex, a containing cavity is formed between the convex bottom of the rotary disc and the operating disc, a dice motor is arranged in the containing cavity, the dice motor is fixedly connected to the operating disc, and the dice motor drives the rotary disc.
4. The intermediate lifting device of a mahjong machine according to claim 3, wherein: the operating panel comprises a shell and a supporting disc, the supporting disc is detachably connected with the shell, an adjusting hole is formed in the shell, the supporting disc is located between the rotary disc and the shell, the dice motor is fixedly connected onto the supporting disc, a circuit board is detachably connected into the shell, a space for a lead to pass through is formed between the supporting disc and the shell, and the lead is used for connecting the circuit board and a mainboard control system; the shell and the connecting seat are respectively provided with a through hole, the lifting rod is provided with a hollow channel, the hollow channel is communicated with the through hole, and the through hole is communicated with a space for the lead to pass through.
5. The intermediate lifting device of a mahjong machine according to claim 1, wherein: the lifting rod is connected to the middle lifting seat in a sliding manner, and the middle lifting motor is connected to the middle lifting seat; the side wall of the middle lifting seat is provided with an opening, and the opening is used for providing clearance for the large-disc motor.
6. The intermediate lifting device of a mahjong machine according to claim 5, wherein: the middle lifting seat is detachably connected with a fixed plate, the middle lifting motor is detachably connected with the fixed plate, and the middle lifting motor is opposite to the large-disc motor.
7. The intermediate lifting device of a mahjong machine according to claim 6, wherein: the lifting rod is fixedly connected with a connecting plate, the middle lifting seat is provided with a guide groove, the connecting plate is connected in the guide groove in a sliding mode, and the middle lifting motor drives the connecting plate to move up and down.
8. The intermediate lifting device of a mahjong machine according to claim 7, wherein: the middle lifting seat is detachably connected with an elongated block, the elongated block is provided with an elongated hole, the lifting rod penetrates through the elongated hole, and the lifting rod is connected in the elongated hole in a sliding mode.
9. The intermediate lifting device of a mahjong machine according to claim 1, wherein: the lifting rod is in threaded connection with the connecting seat.
10. The intermediate lifting device of a mahjong machine according to claim 1, wherein: the lifting rod is provided with an adjusting groove, the adjusting groove is spiral, the top end of the adjusting groove extends to the top end of the lifting rod, the connecting seat is provided with a convex column, and the convex column is connected in the adjusting groove in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642952.4U CN212522973U (en) | 2020-04-24 | 2020-04-24 | Middle lifting device of mahjong machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642952.4U CN212522973U (en) | 2020-04-24 | 2020-04-24 | Middle lifting device of mahjong machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212522973U true CN212522973U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020642952.4U Active CN212522973U (en) | 2020-04-24 | 2020-04-24 | Middle lifting device of mahjong machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212522973U (en) |
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2020
- 2020-04-24 CN CN202020642952.4U patent/CN212522973U/en active Active
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