CN113793459A - Anti-falling mobile ordering equipment - Google Patents

Anti-falling mobile ordering equipment Download PDF

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Publication number
CN113793459A
CN113793459A CN202111082025.7A CN202111082025A CN113793459A CN 113793459 A CN113793459 A CN 113793459A CN 202111082025 A CN202111082025 A CN 202111082025A CN 113793459 A CN113793459 A CN 113793459A
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China
Prior art keywords
fixedly connected
rod
shell
rack row
gear
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Granted
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CN202111082025.7A
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Chinese (zh)
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CN113793459B (en
Inventor
陶英瑜
徐国超
张蕾
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Changchun Vocational Institute of Technology
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Changchun Vocational Institute of Technology
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Priority to CN202111082025.7A priority Critical patent/CN113793459B/en
Publication of CN113793459A publication Critical patent/CN113793459A/en
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Publication of CN113793459B publication Critical patent/CN113793459B/en
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07GREGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00Cash registers
    • G07G1/01Details for indicating
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07GREGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00Cash registers
    • G07G1/12Cash registers electronically operated

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a drop-proof mobile ordering device, which relates to the technical field of ordering machines and comprises a rotating rod and a sliding block, wherein the upper surface of a shell is fixedly connected with a fixed block, the surface of the fixed block is rotatably connected with a rotating shaft II, the surface of the rotating shaft II is fixedly provided with a display screen, the surface of the rotating shaft I is respectively and fixedly connected with an incomplete gear and a gear I, the end part of the rotating rod is fixedly connected with an inclined rod, the inner wall of the shell is fixedly connected with a guide rod I, the surface of the guide rod I is sleeved with a rack row I, the side surface of the rack row I is fixedly connected with a moving block through a connecting rod, the surface of the moving block is fixedly and rotatably connected with a round block, a transmission part I for driving the rotating shaft II to rotate and a transmission part II for driving the incomplete gear to rotate are respectively arranged in the shell, the angle of the display screen is adjusted by rotating the inclined rod when the shell is used, and when the display screen is used subsequently, the rotation angles of the display screen are the adjusted angles.

Description

Anti-falling mobile ordering equipment
Technical Field
The invention relates to the technical field of ordering machines, in particular to a drop-proof mobile ordering device.
Background
The catering industry is an early open industry in China. The continuous surge of international well-known catering enterprises has profound influence on the operation idea, the service quality standard, the cultural atmosphere, the dietary structure, the quality requirements of employees and the like of the catering industry in China. In the future, the competitive situation of the catering industry in China is still maintained fiercely.
In order to further improve quality of service and work efficiency, more and more shops adopt the mobile ordering equipment, and in the prior art, before using at every turn, the user is required to adjust the display screen angle of the mobile ordering equipment so as to reach the best use angle, so that the operation is troublesome, the time is wasted, and the work efficiency is reduced.
Disclosure of Invention
The invention aims to provide anti-falling mobile ordering equipment which has the effects that the angle of a display screen is adjusted by rotating an inclined rod during use, and the rotation angles of the display screen are adjusted during subsequent use, so that the problems that the angle of the display screen of the mobile ordering equipment needs to be adjusted by a user before each use to achieve the optimal use angle, the use is troublesome, the time is wasted, and the working efficiency is reduced are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a falling-proof mobile ordering device comprises a shell, a rotating rod and a sliding block, wherein the upper surface of the shell is fixedly connected with a fixed block, the surface of the fixed block is rotatably connected with a rotating shaft II, the surface of the rotating shaft II is fixedly provided with a display screen, the inner wall of the shell is fixedly connected with a rotating shaft I in a fixed-shaft manner, the surface of the rotating shaft I is fixedly connected with an incomplete gear and a gear I respectively, the inner wall of the shell is provided with a sliding opening for the sliding block to extend into and be in sliding connection with, the surface of the sliding block is provided with a through hole for the rotating rod to pass through and be rotatably connected with the fixed shaft, the end part of the rotating rod is fixedly connected with an inclined rod, the inner wall of the shell is fixedly connected with a guide rod I, the surface of the guide rod I is sleeved with a rack row I, the rack row I is meshed with the gear I, and the side surface of the rack row I is fixedly connected with a moving block through a connecting rod, the surface of the moving block is fixedly and rotatably connected with a round block, the surface of the round block is provided with an inclined opening used for the inclined rod to extend into and be in sliding connection with the inclined rod, and a first transmission part and a second transmission part are respectively arranged in the shell and used for driving the rotating shaft second to rotate and driving the incomplete gear to rotate.
Optionally, the first transmission part comprises a second rack row, a second guide rod is fixedly connected to the inner wall of the shell, the second rack row is sleeved on the surface of the second guide rod, the second rack row is fixedly connected with the sliding block through a support rod, a second gear is fixedly connected to the surface of the second rotating shaft, and the second gear is meshed with the second rack row.
Optionally, the transmission part two includes the movable plate, the inner wall fixedly connected with guide bar three of casing, the movable plate cup joints the surface of guide bar three, the side fixedly connected with pull rod of movable plate, the surface fixedly connected with fixed plate of movable plate, the surface fixedly connected with a plurality of cylinders of fixed plate, it is a plurality of the cylinder all with incomplete gear meshes mutually, the side of casing is seted up and is used for the opening that the movable plate passed.
Optionally, the fixed surface of slider is connected with the backup pad, the surperficial sliding connection of backup pad has the gag lever post, the upper end fixedly connected with ball of gag lever post, the surface of bull stick is seted up and is used for a plurality of draw-in grooves that the gag lever post stretches into, the surface cover of gag lever post is equipped with the spring, the both ends of spring respectively with the surface of backup pad with the fixed surface of ball is connected.
Optionally, the bottom of the housing is fixedly provided with a roller.
Optionally, a limiting component for limiting the rotation of the roller is arranged in the housing.
Optionally, the limiting part comprises a rack bar III, the inner wall of the shell is fixedly connected with a guide rod IV, the rack bar III is sleeved on the surface of the guide rod IV, the side face of the rack bar III is fixedly connected with an L-shaped rod, the bottom of the shell is provided with a through hole used for the L-shaped rod to penetrate through and be connected with the L-shaped rod in a sliding mode, the end part of the L-shaped rod is fixedly connected with a brake pad, and the rack bar III is meshed with the gear I.
Optionally, the left end of the pull rod is fixedly connected with a pull ball, and anti-skid stripes are arranged on the surface of the pull ball.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the angle of the display screen is adjusted by rotating the inclined rod in the state shown in figure 2 to drive the round block to rotate, and simultaneously pressing the sliding block to slide along the sliding opening to the position shown in figure 3, and the inclination angle of the inclined rod is matched with the inclination angle of the display screen, and the inclination angles of the display screen are the positions shown in figure 3 in the subsequent use due to the change of the inclination angle of the inclined rod, so that the user does not need to adjust the angle in each use, the time is saved, and the working efficiency is improved.
The plane part of the incomplete gear is attached to the upper surface of the moving plate, so that the incomplete gear can be locked, the display screen is prevented from rotating, and the stability of the structure is improved.
Third, as shown in fig. 1, the rack bar row is driven to move in a three-dimensional translational manner by the rotation of the first gear, the L-shaped rod is driven to move in a translational manner by the rack bar row in the three-dimensional translational manner, the brake pad is driven to move in a translational manner by the L-shaped rod, the brake pad is moved to the position shown in fig. 2, the brake pad is attached to the surface of the roller at the moment, the roller is prevented from rolling, so that the shell is fixed, the equipment is prevented from being collided or articles on the surface of the shell 1 are prevented from falling down due to the movement of the equipment when the shell is used, and the stability in use is improved.
Drawings
FIG. 1 is a front view of the structure of the present invention in a first state;
FIG. 2 is a front view of the structure of the present invention in a second state;
FIG. 3 is a front view of the structure of the present invention in a third state;
FIG. 4 is a partial side cross-sectional view of the structure of the present invention;
FIG. 5 is a top view of the moving plate structure of the present invention;
fig. 6 is a partial back view of the inventive structure.
In the figure: 1. a housing; 2. a first rotating shaft; 3. an incomplete gear; 4. a first gear; 5. arranging a first rack; 6. a first guide rod; 7. a connecting rod; 8. a moving block; 9. a round block; 91. a bevel opening; 10. a diagonal bar; 11. a slider; 12. a sliding port; 13. a rotating rod; 14. a support plate; 15. a limiting rod; 16. a card slot; 17. a spring; 18. a ball; 19. a support bar; 20. a second rack row; 21. a second guide rod; 22. a fixed block; 23. a second rotating shaft; 24. a second gear; 25. a display screen; 26. moving the plate; 27. a third guide rod; 28. a fixing plate; 29. a cylinder; 30. a pull rod; 31. a fourth guide rod; 32. a third rack row; 33. an L-shaped rod; 34. a brake pad; 35. and a roller.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1 to 6, the present invention provides a technical solution: a falling-proof mobile ordering device comprises a shell 1, a rotating rod 13 and a sliding block 11, wherein the upper surface of the shell 1 is fixedly connected with a fixed block 22, the surface of the fixed block 22 is rotatably connected with a rotating shaft II 23, the surface of the rotating shaft II 23 is fixedly provided with a display screen 25, the inner wall of the shell 1 is rotatably connected with a rotating shaft I2 in a fixed shaft way, the surface of the rotating shaft I2 is respectively and fixedly connected with an incomplete gear 3 and a gear I4, the inner wall of the shell 1 is provided with a sliding opening 12 for the sliding block 11 to extend into and be in sliding connection with, the surface of the sliding block 11 is provided with a through hole for the rotating rod 13 to pass through and be rotatably connected with the fixed shaft, the end part of the rotating rod 13 is fixedly connected with an inclined rod 10, the inner wall of the shell 1 is fixedly connected with a guide rod I6, the surface of the guide rod I6 is sleeved with a rack row I5, the rack row I5 is meshed with the gear I4, the side surface of the rack row I5 is fixedly connected with a moving block 8 through a connecting rod 7, the surface of the moving block 8 is connected with a round block 9 in a fixed-axis rotating manner, the surface of the round block 9 is provided with a bevel 91 for the inclined rod 10 to extend into and be connected with the round block in a sliding manner, a first transmission part for driving a second rotating shaft 23 to rotate and a second transmission part for driving an incomplete gear 3 to rotate are respectively arranged in the shell 1, when in use, the incomplete gear 3 is driven to rotate under the action of the second transmission part, the first rotating shaft 2 is driven to rotate through the incomplete gear 3, the first rotating shaft 2 rotates through the first rotating shaft 2, the first gear 4 rotates, the second rotating shaft 23 and the display screen 25 are driven to rotate under the action of the first transmission part, the display screen 25 rotates as shown in figure 2, the food ordering can be carried out, the inclined rod 10 rotates in the state shown in figure 2, the inclined rod 10 extends into the bevel on the surface of the round block 9, and the moving block 8 is kept fixed under the action of the incomplete gear 3 and the moving block 26, therefore, the inclined rod 10 rotates to drive the round block 9 to rotate, the sliding block 11 is pressed to slide along the sliding opening 12 at the same time, the sliding block 11 slides to drive the rack row two 20 to move, so that the angle of the display screen 25 is adjusted, the rack row two 20, the inclined rod 10 and the sliding block 11 move to the positions shown in fig. 3, the inclined angle of the inclined rod 10 is matched with the inclined angle of the display screen 25, when the moving block 8 is reset, the moving distance of the pressed inclined rod 10 changes, the moving distance of the sliding block 11 changes, so that the display screen 25 in the state of fig. 3 can be successfully reset to the position shown in fig. 1, and the inclined angle of the inclined rod 10 changes, so that the inclined angle of the display screen 25 is the position shown in fig. 3 in subsequent use, a user does not need to adjust the angle every time, the time is saved, and the working efficiency is improved.
Further, the first transmission part comprises a second rack row 20, a second guide rod 21 is fixedly connected to the inner wall of the shell 1, the second rack row 20 is sleeved on the surface of the second guide rod 21, the second rack row 20 is fixedly connected with the sliding block 11 through a support rod 19, a second gear 24 is fixedly connected to the surface of the second rotating shaft 23, the second gear 24 is meshed with the second rack row 20, the second sliding block 11 slides along the sliding opening 12 when in use, the support rod 19 and the second rack row 20 are driven to move in a translation mode, the second rack row 20 is driven to move in a translation mode, the second gear 24 is driven to rotate, the second gear 24 rotates, and the second rotating shaft 23 and the display screen 25 are driven to rotate through the second gear 24.
Further, the second transmission part comprises a moving plate 26, a third guide rod 27 is fixedly connected to the inner wall of the housing 1, the moving plate 26 is sleeved on the surface of the third guide rod 27, a pull rod 30 is fixedly connected to the side surface of the moving plate 26, a fixed plate 28 is fixedly connected to the surface of the moving plate 26, a plurality of cylinders 29 are fixedly connected to the surface of the fixed plate 28, the plurality of cylinders 29 are all meshed with the incomplete gear 3, an opening for the moving plate 26 to pass through is formed in the side surface of the housing 1, the incomplete gear 3 comprises a plane portion, when the second transmission part is used, the pull rod 30 is pulled to drive the moving plate 26 to move in a translation manner, the fixed plate 28 and the cylinders 29 are driven to move in a translation manner through the cylinders 29, the incomplete gear 3 is driven to rotate, and the incomplete gear 3 can be locked by arranging the plane portion of the incomplete gear 3 to be attached to the upper surface of the moving plate 26, thereby preventing the display screen 25 from rotating and improving the structural stability.
Further, the fixed surface of slider 11 is connected with backup pad 14, the surperficial sliding connection of backup pad 14 has gag lever post 15, the upper end fixedly connected with ball 18 of gag lever post 15, a plurality of draw-in grooves 16 that are used for gag lever post 15 to stretch into are offered on the surface of bull stick 13, the surface cover of gag lever post 15 is equipped with spring 17, spring 17's both ends are connected with the fixed surface of backup pad 14 and ball 18 respectively, through pulling ball 18 when using, drive gag lever post 15 and break away from draw-in groove 16, then rotate bull stick 13, through setting up gag lever post 15 and draw-in groove 16, bull stick 13 takes place to rotate when can preventing to use, improve equipment's stability.
Further, the bottom of the shell 1 is fixedly provided with the roller 35, and the roller 35 is arranged to facilitate moving of the equipment, so that physical strength is saved.
Furthermore, a limiting component used for limiting the rotation of the roller 35 is arranged in the shell 1, and the roller 35 can be prevented from rolling by the limiting component, so that the shell 1 is fixed.
Further, the limiting part comprises a third rack row 32, a fourth guide rod 31 is fixedly connected to the inner wall of the shell 1, the third rack row 32 is sleeved on the surface of the fourth guide rod 31, an L-shaped rod 32 is fixedly connected to the side surface of the third rack row 32, a through hole for the L-shaped rod 33 to pass through and be in sliding connection with is formed in the bottom of the shell 1, a brake pad 34 is fixedly connected to the end portion of the L-shaped rod 33, the third rack row 33 is meshed with the first gear 4, when the limiting part is used, the third rack row 32 is driven to move in a translation manner by rotating the first gear 4 as shown in fig. 1, the L-shaped rod 33 is driven to move in a translation manner by the third rack row 32, the brake pad 34 is driven to move in a translation manner by the translation movement of the L-shaped rod 33, the brake pad 34 is driven to move as shown in fig. 2, at the moment, the brake pad 34 is attached to the surface of the roller 35, so as to prevent the roller 35 from rolling, thereby realizing the fixation of the shell 1 and preventing the equipment from moving when the equipment from moving, the equipment is collided or the objects on the surface of the shell 1 fall down, and the stability in use is improved.
Further, the left end fixedly connected with of pull rod 30 draws the ball, draws the surface of ball to be provided with anti-skidding stripe, draws the ball through the setting and can the person of facilitating the use to drag pull rod 30 to through setting up anti-skidding stripe, increase frictional force prevents that the hand is smooth.
The working principle is as follows: when the anti-falling mobile ordering device is used, as shown in figure 1, the device is pushed to a working place, then the pull rod 30 is pulled to drive the movable plate 26 to move in a translation manner, the movable plate 26 moves in a translation manner to drive the fixed plate 28 and the cylinder 29 to move in a translation manner, the cylinder 29 moves in a translation manner to drive the incomplete gear 3 to rotate, the incomplete gear 3 rotates to drive the rotating shaft I2 to rotate, the rotating shaft I2 rotates to drive the gear I4 to rotate, the gear I4 rotates to drive the rack row I5 to move in an upward translation manner as shown in figure I, the rack row I5 moves in an upward translation manner to drive the movable block 8 to move in an upward translation manner, the round block 9 moves in an upward translation manner, the inclined rod 10 is pressed to drive the sliding block 11 to slide along the sliding opening 12, and the sliding block 11 slides along the sliding opening 12, the supporting rod 19 and the second rack row 20 are driven to move in a translation mode, the second gear 24 is driven to rotate through the translation movement of the second rack row 20, the second gear 24 rotates, the second rotating shaft 23 and the display screen 25 are driven to rotate through the rotation of the second gear 24, the display screen 25 rotates to be as shown in figure 2, the plane part of the incomplete gear 3 is attached to the upper surface of the moving plate 26 at the moment, the incomplete gear 3 can be locked, the display screen 25 is prevented from rotating, the structural stability is improved, and the food can be ordered through the display screen 25 at the moment;
as shown in fig. 1, the gear wheel I4 rotates to drive the rack bar III 32 to move in a translation manner, the rack bar III 32 moves in a translation manner to drive the L-shaped rod 33 to move in a translation manner, the L-shaped rod 33 moves in a translation manner to drive the brake pad 34 to move in a translation manner, the brake pad 34 moves to be shown in fig. 2, the brake pad 34 is attached to the surface of the roller 35 at the moment, the roller 35 is prevented from rolling, so that the shell 1 is fixed, the equipment is prevented from moving when in use, the equipment is prevented from being collided or articles on the surface of the shell 1 are prevented from falling down, and the stability in use is improved;
when the angle of the display screen 25 needs to be adjusted during use, as shown in fig. 2 and 4, the round ball 18 is pulled to drive the limiting rod 15 to be separated from the clamping groove 16, then the rotating rod 13 is rotated to drive the inclined rod 10 to rotate through the rotation of the rotating rod 13, the inclined rod 10 extends into an inclined opening on the surface of the round block 9, and the moving block 8 is kept fixed under the action of the incomplete gear 3 and the moving plate 26, so that the round block 9 is rotated through the rotation of the inclined rod 10, the sliding block 11 is pressed to slide along the sliding opening 12, the sliding block 11 slides to drive the rack row two 20 to move, so as to adjust the angle of the display screen 25, when the rack row two 20, the inclined rod 10 and the sliding block 11 move to the positions shown in fig. 3, the limiting rod 15 extends into the clamping groove 16 to fix the rotating rod 13, and at the moment, the inclined angle of the inclined rod 10 is matched with the inclined angle of the display screen 25, so that when the moving block 8 is reset, the distance that the sway rod 10 moves is changed in a pressing mode, the sliding block 11 is driven to move for the distance is changed, the display screen 25 in the state of the figure 3 can be successfully reset to the position shown in the figure 1, and the inclination angle of the sway rod 10 is changed, so that the distance that the sway rod 10 moves is changed in subsequent use, the inclination angles of the display screen 25 are the positions shown in the figure 3, a user does not need to adjust the angle in each use, the time is saved, and the working efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A fall-resistant mobile food ordering device comprising a housing (1), characterized in that: still include bull stick (13) and slider (11), the last fixed surface of casing (1) is connected with fixed block (22), the surface rotation of fixed block (22) is connected with pivot two (23), the fixed surface of pivot two (23) installs display screen (25), the inner wall dead axle of casing (1) rotates and is connected with pivot one (2), the surface of pivot one (2) is fixedly connected with incomplete gear (3) and gear one (4) respectively, the inner wall of casing (1) is seted up and is used for slider (11) stretch into and sliding connection's sliding opening (12) with it, the surface of slider (11) is seted up and is used for bull stick (13) to pass and dead axle rotation's with it through-hole of being connected, the tip fixedly connected with down tube (10) of bull stick (13), the inner wall fixedly connected with guide bar (6) of casing (1), the surface of the first guide rod (6) is sleeved with a first rack row (5), the first rack row (5) is meshed with the first gear (4), the side surface of the first rack row (5) is fixedly connected with a movable block (8) through a connecting rod (7), the surface of the movable block (8) is fixedly connected with a round block (9) in a shaft-fixed rotating mode, an inclined opening (91) used for enabling the inclined rod (10) to stretch into and be connected with the round block in a sliding mode is formed in the surface of the round block (9), and a first transmission part and a second transmission part which are used for driving the rotating shaft (23) to rotate and driving the incomplete gear (3) to rotate are respectively arranged in the shell (1).
2. The fall-resistant mobile ordering device according to claim 1, characterized in that: the first transmission part comprises a second rack row (20), a second guide rod (21) is fixedly connected to the inner wall of the shell (1), the second rack row (20) is sleeved on the surface of the second guide rod (21), the second rack row (20) is fixedly connected with the sliding block (11) through a support rod (19), a second gear (24) is fixedly connected to the surface of the second rotating shaft (23), and the second gear (24) is meshed with the second rack row (20).
3. The fall-resistant mobile ordering device according to claim 1 or 2, characterized in that: the transmission part II comprises a moving plate (26), the inner wall of the shell (1) is fixedly connected with a guide rod III (27), the moving plate (26) is sleeved on the surface of the guide rod III (27), the side face of the moving plate (26) is fixedly connected with a pull rod (30), the surface of the moving plate (26) is fixedly connected with a fixing plate (28), the surface of the fixing plate (28) is fixedly connected with a plurality of cylinders (29), the cylinders (29) are all meshed with the incomplete gear (3), and the side face of the shell (1) is provided with an opening through which the moving plate (26) passes.
4. The fall-resistant mobile ordering device according to claim 1, characterized in that: the fixed surface of slider (11) is connected with backup pad (14), the surperficial sliding connection of backup pad (14) has gag lever post (15), the upper end fixedly connected with ball (18) of gag lever post (15), the surface of bull stick (13) is seted up and is used for a plurality of draw-in grooves (16) that gag lever post (15) stretched into, the surface cover of gag lever post (15) is equipped with spring (17), the both ends of spring (17) respectively with the surface of backup pad (14) with the fixed surface of ball (18) is connected.
5. The fall-resistant mobile ordering device according to claim 3, characterized in that: and the bottom of the shell (1) is fixedly provided with a roller (35).
6. The fall-resistant mobile ordering device according to claim 5, characterized in that: and a limiting part for limiting the rotation of the roller (35) is arranged in the shell (1).
7. The fall-resistant mobile ordering device according to claim 6, characterized in that: the limiting part comprises a rack row three (32), the inner wall of the shell (1) is fixedly connected with a guide rod four (31), the rack row three (32) is sleeved on the surface of the guide rod four (31), the side face of the rack row three (32) is fixedly connected with an L-shaped rod (32), the bottom of the shell (1) is provided with a through hole through which the L-shaped rod (33) penetrates and is in sliding connection with the through hole, the end part of the L-shaped rod (33) is fixedly connected with a brake pad (34), and the rack row three (33) is meshed with the gear I (4).
8. The fall-resistant mobile ordering device according to claim 3, characterized in that: the left end of the pull rod (30) is fixedly connected with a pull ball, and anti-skid stripes are arranged on the surface of the pull ball.
CN202111082025.7A 2021-09-15 2021-09-15 Anti-falling mobile ordering equipment Active CN113793459B (en)

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CN113793459B CN113793459B (en) 2023-03-14

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Publication number Priority date Publication date Assignee Title
CN115056159A (en) * 2022-05-30 2022-09-16 常州航空工模具有限公司 Clamping device for automobile exhaust pipeline detection and capable of avoiding displacement

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