CN215304431U

CN215304431U - Multi-stroke rolling type reciprocating motion structure

Info

Publication number: CN215304431U
Application number: CN202120615536.XU
Authority: CN
Inventors: 郑胜巨
Original assignee: Guangdong Nuojiang Health Technology Co ltd
Current assignee: Guangdong Nuojiang Health Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-28
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to the technical field of vibration structures, and particularly discloses a multi-stroke rolling type reciprocating motion structure which comprises a support, a transmission assembly and a working frame, wherein the support is used for being pressed on an external bearing surface, and the transmission assembly is arranged on the support; the working frame is arranged above the support in a rolling manner through the rolling mechanism and is connected with the transmission assembly, and the transmission assembly is used for driving the working frame to reciprocate relative to the support through the rolling mechanism. In actual use, the transmission component drives the rolling mechanism to move so as to drive the working frame to realize rolling type reciprocating motion; the utility model adopts rolling type reciprocating motion, can realize the advantages of small abrasion, high positioning precision and the like, and has strong practicability. According to the utility model, the rolling mechanism is arranged, so that the connection mode between the working frame and the support is a rolling type connection mode, and the connection mode has the advantages of small friction resistance, light movement, low friction noise, small abrasion, good precision retentivity and strong practicability.

Description

Multi-stroke rolling type reciprocating motion structure

Technical Field

The utility model relates to the technical field of vibration structures, and particularly discloses a multi-stroke rolling type reciprocating motion structure.

Background

In the industrial production or daily life process, a reciprocating vibration mechanism is often required to be used, the vibration mechanism is wide in application, and at present, the reciprocating vibration mechanism in the prior art is large in friction resistance, poor in precision retentivity, or heavy in movement and large in friction noise, so that the use requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a multi-stroke rolling type reciprocating motion structure which is small in friction resistance, good in precision retentivity, light in movement and small in friction noise.

In order to achieve the purpose, the multi-stroke rolling type reciprocating motion structure comprises a support, a transmission assembly and a working frame, wherein the support is used for being pressed on an external bearing surface, and the transmission assembly is arranged on the support; the working frame is arranged above the support in a rolling manner through a rolling mechanism and is connected with the transmission assembly, and the transmission assembly is used for driving the working frame to reciprocate relative to the support through the rolling mechanism.

Further, the transmission assembly including fixed set up in the mounting panel of support and set up in actuating mechanism on the mounting panel, actuating mechanism's output is connected with and is located reduction gears on the mounting panel, reduction gears's output be connected with the moving mechanism that the work frame is connected, actuating mechanism via the reduction gears drive moving mechanism drives the work frame reciprocating motion.

Furthermore, the driving mechanism comprises a driving motor, the driving motor comprises a stator part and a rotor part which is rotatably sleeved outside the stator part, two ends of the stator part respectively protrude out of the rotor part, a plurality of motor mounting plates are arranged on the mounting plates, and two ends of the stator part protruding out of the rotor part are respectively fixedly arranged on the motor mounting plates through elastic sleeves; the driving motor rotates forwards and backwards to drive the working frame to reciprocate relative to the support.

Further, the rotor part comprises a front shell, and a first wheel body used for being matched with the speed reducing mechanism is arranged at one end of the front shell in an extending mode; the speed reducing mechanism comprises a transition shaft which is rotatably arranged on the mounting plate, a first-stage speed reducing large belt wheel and a second-stage speed reducing small belt wheel which are arranged on the transition shaft, a stator part which is rotatably arranged protrudes out of the second-stage speed reducing large belt wheel arranged at one end of the rotor part, and a second wheel body which is arranged on the second-stage speed reducing large belt wheel.

The large primary speed reduction belt wheel is in transmission connection with the first wheel body through a first V belt, the large primary speed reduction belt wheel drives the small secondary speed reduction belt wheel to move, and the small secondary speed reduction belt wheel is in transmission connection with the large secondary speed reduction belt wheel through a second V belt.

Further, moving mechanism including set up in first transmission shaft, second transmission shaft on the support, it is equipped with the big band pulley of tertiary speed reduction and sets up in the first belt pulley of the big band pulley of tertiary speed reduction to rotate the cover on the first transmission shaft, it is equipped with the second belt pulley to rotate the cover on the second transmission shaft, first belt pulley with be connected via the endless belt transmission between the second belt pulley, the work frame is connected with the endless belt.

The third-level speed reduction large belt wheel is in transmission connection with the second wheel body through a third V-shaped belt, the third-level speed reduction large belt wheel drives the first belt wheel to rotate relative to the first transmission shaft, the first belt wheel drives the annular belt to move, and the moving annular belt drives the working frame to move.

Further, the rolling mechanism comprises a movable guide rail, a fixed guide rail and a plurality of second balls, the movable guide rail is located on the working frame and moves in a reciprocating mode relative to the movable guide rail, the first balls are located between the second balls, the first balls are located in the middle of the movable guide rail, the second balls are located on two sides, far away from the movable guide rail, of the movable guide rail, and the fixed guide rail is connected with the movable guide rail in a rolling mode through the balls.

Furthermore, two limiting plates for stopping and limiting the first ball and the second ball are respectively arranged at two ends of the fixed guide rail, and the limiting plates are provided with yielding through holes which are convenient for the movable guide rail to extend out or retract into.

Furthermore, an isolation clearance groove is formed between the fixed guide rail and the movable guide rail, the middle part of the fixed guide rail and the middle part of the movable guide rail are both provided with a first semi-cylindrical groove communicated with the isolation clearance groove, and two ends of the first ball are respectively arranged in the first semi-cylindrical groove of the fixed guide rail and the first semi-cylindrical groove of the movable guide rail in a rolling way; the quantity of first ball is a plurality of, is equipped with between two adjacent first balls and is convenient for keep apart two the stopper of first ball.

Furthermore, second semi-cylindrical grooves communicated with the isolation clearance grooves are formed in the two sides of the fixed guide rail and the two sides of the movable guide rail, and two ends of a second ball are respectively accommodated in the second semi-cylindrical grooves of the fixed guide rail and the second semi-cylindrical grooves of the movable guide rail in a rolling mode; the ball is made of elastic material.

Furthermore, the rolling mechanisms are multiple in number, the rolling mechanisms are respectively located on two sides of the transmission assembly, and the rolling mechanisms are respectively arranged at two ends of the working frame.

The utility model has the beneficial effects that: in practical use, the transmission assembly drives the rolling mechanism to move so as to drive the working frame to realize rolling type reciprocating motion; the utility model adopts rolling type reciprocating motion, can realize the advantages of small abrasion, high positioning precision and the like, and has strong practicability.

According to the utility model, the rolling mechanism is arranged to drive the connection mode between the working frame and the support to be a rolling type connection mode, the connection mode has the advantages of small friction resistance, convenience in movement, small abrasion and good precision retentivity, more importantly, the service life of the device is prolonged, and the cost is effectively saved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention after the working frame is hidden;

FIG. 3 is a perspective view of the transmission assembly of the present invention;

FIG. 4 is a schematic perspective view of the connection between the driving mechanism and the speed reducing mechanism according to the present invention;

FIG. 5 is a schematic perspective view of the driving mechanism of the present invention;

fig. 6 is a schematic perspective view of the rolling mechanism of the present invention.

The reference numerals include:

1-support 2-transmission assembly 21-mounting plate

211-motor mounting plate 22-driving mechanism 221-driving motor

2211 stator component 2212 rotor component 22121 front shell

22122-first wheel body 2213-elastic sleeve 23-speed reducing mechanism

231-transition shaft 232-first-stage speed reduction big belt wheel 233-second-stage speed reduction small belt wheel

234-two-stage speed reduction large belt wheel 2341-second wheel 235-first V belt

236-second V-belt 238-three-stage reduction big belt wheel 239-third V-belt

24-moving mechanism 241-first transmission shaft 242-second transmission shaft

243-first pulley 244-second pulley 245-endless belt

3-working frame 4-rolling mechanism 41-movable guide rail

42-fixed guide rail 421-limiting plate 43-first ball

44-second ball 45-first semi-cylindrical groove 46-limiting block

47-second semi-cylindrical groove.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 6, the multi-stroke rolling type reciprocating structure of the present invention includes a bracket 1, a transmission component 2 and a working frame 3, specifically, the transmission component 2 is used as a power source of the present invention to drive the working frame 3 to move, and in practical use, the working frame 3 may be fixedly connected to a mattress, a sofa, or other household articles to drive the mattress, the sofa, or other household articles to reciprocate. Preferably, the multi-stroke rolling type reciprocating structure is provided with a controller for regulating and controlling the actual operation parameters of the transmission assembly 2, and the controller further changes the actual stroke distance of the working frame 3 by regulating and controlling the actual operation parameters of the transmission assembly 2. Of course, a remote control can also be provided for the control unit, which via the control unit adjusts the magnitude of the actual operating parameters of the transmission assembly 2.

Support 1 is used for pressing and holds on external loading face, specifically, support 1 is provided with a plurality of machine legs, and is a plurality of the machine leg all is used for pressing and holds on external loading face, drive assembly 2 set up in support 1 is last, specifically, drive assembly 2 fixed set up in on support 1, preferably, drive assembly 2 with adopt threaded connection's mode to carry out fixed connection between the support 1, this kind of connected mode joint strength is big good reliability, and the cost is lower.

The working frame 3 is arranged above the support 1 in a rolling manner through a rolling mechanism 4 and is connected with the transmission assembly 2, and the transmission assembly 2 is used for driving the working frame 3 to reciprocate relative to the support 1 through the rolling mechanism 4.

In practical use, the transmission assembly 2 drives the working frame 3 to reciprocate relative to the support 1 via the rolling mechanism 4, so as to drive the working frame 3 to realize rolling type reciprocating motion; the utility model adopts rolling type reciprocating motion, can realize the advantages of small abrasion, high positioning precision and the like, and has strong practicability.

According to the utility model, the rolling mechanism 4 is arranged to drive the connection mode between the working frame 3 and the support 1 to be a rolling type connection mode, the connection mode has the advantages of small friction resistance, light movement, small abrasion and good precision maintenance, and the connection mode has the advantages of small friction noise, meets the requirements of people on comfortable and quiet living environment, more importantly, prolongs the service life of the utility model and effectively saves the cost.

In this embodiment, the transmission assembly 2 includes an installation plate 21 fixedly disposed on the bracket 1 and a driving mechanism 22 disposed on the installation plate 21, specifically, the installation plate 21 and the bracket 1 are connected by a screw thread to effectively fix the transmission assembly 2; the output of actuating mechanism 22 is connected with and is located reduction gears 23 on the mounting panel 21, specifically, reduction gears 23 is tertiary reduction gears, the output of reduction gears 23 be connected with the moving mechanism 24 that the work frame 3 is connected, actuating mechanism 22 via reduction gears 23 drive moving mechanism 24 and drive work frame 3 reciprocating motion.

In practical use, the driving mechanism 22 rotates to drive the speed reducing mechanism 23 to move, and the speed reducing mechanism 23 drives the moving mechanism 24 to move so as to reciprocate the work frame 3 fixedly arranged above the moving mechanism 24.

Preferably, the power generated by the driving mechanism 22 is too large, and if the moving mechanism 24 is directly connected to the driving mechanism 22, the moving mechanism 24 is easily damaged, and the service life of the moving mechanism 24 is reduced, so that the moving mechanism 24 is in transmission connection with the driving mechanism 22 via the speed reducing mechanism 23, and further, the service life of the moving mechanism 24 is effectively prolonged.

In this embodiment, the driving mechanism 22 includes a driving motor 221, the driving motor 221 includes a stator 2211 and a rotor 2212 rotatably sleeved outside the stator 2211, two ends of the stator 2211 respectively protrude out of the rotor 2212, the mounting plate 21 is provided with a plurality of motor mounting plates 211, two ends of the stator 2211 protruding out of the rotor 2212 are respectively fixed on the motor mounting plates 211 through elastic sleeves 2213, and during actual use, the working frame 3 is driven to reciprocate relative to the support 1 by the forward and reverse rotation of the driving motor 221.

Preferably, the stator 2211 is provided with a non-circular portion, an elastic sleeve 2213 is sleeved on the outer side of the non-circular portion, the motor mounting plate 211 is provided with a non-circular slot for accommodating the elastic sleeve 2213 and the non-circular portion, and the elastic sleeve 2213 is clamped between the inner slot side surfaces of the non-circular portion and the non-circular slot.

Specifically, the stator 2211 serves as a stationary part of the driving motor 221, the rotor 2212 serves as a rotating part of the driving motor 221, and the rotor 2212 is used for directly driving the speed reducing mechanism 23 and indirectly driving the moving mechanism 24.

In this embodiment, the rotor 2212 includes a front housing 22121, and a first wheel 22122 for engaging with the speed reducing mechanism 23 extends from one end of the front housing 22121. Preferably, the front housing 22121 and the first wheel body 22122 are integrally constructed, so that cost is saved, and smoothness of transmission can be effectively maintained.

The speed reducing mechanism 23 includes a transition shaft 231 rotatably disposed on the mounting plate 21, a first-stage speed reducing large pulley 232 and a second-stage speed reducing small pulley 233 mounted on the transition shaft 231, preferably, the first-stage speed reducing large pulley 232 drives the second-stage speed reducing small pulley 233 to move via the transition shaft 231, the second-stage speed reducing large pulley 234 rotatably disposed on one end of the stator 2211 protruding out of the rotor 2212, and a second wheel body 2341 disposed on the second-stage speed reducing large pulley 234.

The primary speed reducing large belt wheel 232 is in transmission connection with the first wheel 22122 through a first V-belt 235, the primary speed reducing large belt wheel 232 drives the secondary speed reducing small belt wheel 233 to move, and the secondary speed reducing small belt wheel 233 is in transmission connection with the secondary speed reducing large belt wheel 234 through a second V-belt 236.

In this embodiment, the moving mechanism 24 includes a first transmission shaft 241 and a second transmission shaft 242 which are disposed on the bracket 1, the first transmission shaft 241 is rotatably sleeved with a large three-stage deceleration pulley 238 and a first pulley 243 disposed on the large three-stage deceleration pulley 238, preferably, the large three-stage deceleration pulley 238 is connected to the first transmission shaft 241 through a flat key, the second transmission shaft 242 is rotatably sleeved with a second pulley 244, the first pulley 243 and the second pulley 244 are in transmission connection through an endless belt 245, and the work frame 3 is connected to the endless belt 245.

The third-stage deceleration big belt wheel 238 is in transmission connection with the second wheel body 2341 through a third V-belt 239, the third-stage deceleration big belt wheel 238 drives the first belt wheel 243 to rotate relative to the first transmission shaft 241, the first belt wheel 243 drives the endless belt 245 to move, and the moving endless belt 245 drives the working frame 3 to move.

In this embodiment, the rolling mechanism 4 includes a moving guide rail 41 located on the work frame 3, a fixed guide rail 42 located on the support 1 and reciprocating with respect to the moving guide rail 41, and a first ball 43 and a plurality of second balls 44 rolling and accommodated between the fixed guide rail 42 and the moving guide rail 41, the first ball 43 is located between the plurality of second balls 44, the first ball 43 is located in the middle of the moving guide rail 41, the plurality of second balls 44 are respectively located on both sides of the moving guide rail 41 away from each other, and the moving guide rail 41 and the fixed guide rail 42 are connected via balls in a rolling manner.

In this embodiment, two limiting plates 421 for stopping and limiting the first ball 43 and the second ball 44 are respectively disposed at two ends of the fixed rail 42, the limiting plates 421 are provided with yielding through holes for facilitating extension or retraction of the movable rail 41, and specifically, the movable rail 41 extends or retracts relative to the fixed rail 42 through the yielding through holes.

In this embodiment, an isolation clearance groove is formed between the fixed guide rail 42 and the movable guide rail 41, the first semi-cylindrical groove 45 communicated with the isolation clearance groove is respectively arranged in the middle of the fixed guide rail 42 and the middle of the movable guide rail 41, two ends of the first ball 43 are respectively accommodated in the first semi-cylindrical groove 45 of the fixed guide rail 42 and the first semi-cylindrical groove 45 of the movable guide rail 41 in a rolling manner, and in actual use, the first ball 43 rolls in the first semi-cylindrical groove 45 of the fixed guide rail 42 and the first semi-cylindrical groove 45 of the movable guide rail 41.

The number of the first rolling balls 43 is multiple, and a limiting block 46 which is convenient for isolating the two first rolling balls 43 is arranged between every two adjacent first rolling balls 43. According to actual requirements, the limiting blocks 46 may be fixedly disposed in the semi-cylindrical grooves of the fixed guide rail 42 or movably disposed in the semi-cylindrical grooves of the fixed guide rail 42, specifically, two adjacent first rolling balls 43 are respectively disposed on two sides of the limiting blocks 46, and in the rolling process, the maximum stroke or the minimum stroke of the movement of the present invention is that one of the first rolling balls 43 collides with the limiting block 46.

In this embodiment, the two sides of the fixed guide rail 42 and the two sides of the movable guide rail 41 are both provided with a second semi-cylindrical groove 47 communicated with the isolation clearance groove, and two ends of the second ball 44 are respectively accommodated in the second semi-cylindrical groove 47 of the fixed guide rail 42 and the second semi-cylindrical groove 47 of the movable guide rail 41 in a rolling manner, and in the process of starting the operation of the present invention, the second ball 44 rolls in the second semi-cylindrical groove 47 of the fixed guide rail 42 and the second semi-cylindrical groove 47 of the movable guide rail 41; the ball is made of elastic material, and preferably, the ball is made of silicon rubber.

In this embodiment, the number of the rolling mechanisms 4 is plural, the plural rolling mechanisms 4 are respectively located at two sides of the transmission assembly 2, and the plural rolling mechanisms 4 are respectively arranged at two ends of the working frame 3. In particular, the work frame 3 is connected to the support 1 via a plurality of rolling mechanisms 4.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A multi-stroke rolling type reciprocating motion structure is characterized in that: the device comprises a support (1), a transmission assembly (2) and a working frame (3), wherein the support (1) is used for being pressed on an external bearing surface, and the transmission assembly (2) is arranged on the support (1); the working frame (3) is arranged above the support (1) in a rolling manner through a rolling mechanism (4) and is connected with the transmission assembly (2), and the transmission assembly (2) is used for driving the working frame (3) to reciprocate relative to the support (1) through the rolling mechanism (4).

2. The multi-stroke rolling reciprocating configuration of claim 1, wherein: drive assembly (2) including fixed set up in mounting panel (21) of support (1) and set up in actuating mechanism (22) on mounting panel (21), the output of actuating mechanism (22) is connected with and is located reduction gears (23) on mounting panel (21), the output of reduction gears (23) be connected with moving mechanism (24) that work frame (3) are connected, actuating mechanism (22) via reduction gears (23) drive moving mechanism (24) and drive work frame (3) reciprocating motion.

3. The multi-stroke rolling reciprocating configuration of claim 2, wherein: the driving mechanism (22) comprises a driving motor (221), the driving motor (221) comprises a stator member (2211) and a rotor member (2212) rotatably sleeved outside the stator member (2211), two ends of the stator member (2211) respectively protrude out of the rotor member (2212), the mounting plate (21) is provided with a plurality of motor mounting plates (211), and two end parts of the stator member (2211) protruding out of the rotor member (2212) are respectively fixedly arranged on the motor mounting plates (211) through elastic sleeves (2213); the driving motor (221) rotates positively and negatively to drive the working frame (3) to do reciprocating motion relative to the support (1).

4. The multi-stroke rolling reciprocating configuration of claim 3, wherein: the rotor piece (2212) comprises a front shell (22121), and a first wheel body (22122) matched with the speed reducing mechanism (23) is arranged at one end of the front shell (22121) in an extending mode; the speed reducing mechanism (23) comprises a transition shaft (231) rotatably arranged on the mounting plate (21), a primary speed reducing large belt wheel (232) and a secondary speed reducing small belt wheel (233) arranged on the transition shaft (231), a secondary speed reducing large belt wheel (234) rotatably arranged at one end of the stator piece (2211) protruding out of the rotor piece (2212), and a second wheel body (2341) arranged on the secondary speed reducing large belt wheel (234);

the large primary speed reduction belt wheel (232) is in transmission connection with the first wheel body (22122) through a first V belt (235), the large primary speed reduction belt wheel (232) drives the small secondary speed reduction belt wheel (233) to move, and the small secondary speed reduction belt wheel (233) is in transmission connection with the large secondary speed reduction belt wheel (234) through a second V belt (236).

5. The multi-stroke rolling reciprocating configuration of claim 4, wherein: the moving mechanism (24) comprises a first transmission shaft (241) and a second transmission shaft (242) which are arranged on the support (1), wherein a three-stage deceleration large belt wheel (238) and a first belt pulley (243) arranged on the three-stage deceleration large belt wheel (238) are rotatably sleeved on the first transmission shaft (241), a second belt pulley (244) is rotatably sleeved on the second transmission shaft (242), the first belt pulley (243) and the second belt pulley (244) are in transmission connection through an annular belt (245), and the working frame (3) is connected with the annular belt (245);

the third-stage speed reduction large belt wheel (238) is in transmission connection with the second wheel body (2341) through a third V-shaped belt (239), the third-stage speed reduction large belt wheel (238) drives the first belt wheel (243) to rotate relative to the first transmission shaft (241), the first belt wheel (243) drives the annular belt (245) to move, and the moving annular belt (245) drives the working frame (3) to move.

6. The multi-stroke rolling reciprocating configuration of claim 1, wherein: the rolling mechanism (4) comprises a moving guide rail (41) positioned on the working frame (3), a fixed guide rail (42) which is positioned on the support (1) and moves to and fro relative to the moving guide rail (41), and a first ball (43) and a plurality of second balls (44) which are arranged between the fixed guide rail (42) and the moving guide rail (41) in a rolling manner, wherein the first ball (43) is positioned between the plurality of second balls (44), the first ball (43) is positioned in the middle of the moving guide rail (41), the plurality of second balls (44) are respectively positioned at two sides of the moving guide rail (41) which are far away from each other, and the moving guide rail (41) is connected with the fixed guide rail (42) in a rolling manner through balls.

7. The multi-stroke rolling reciprocating configuration of claim 6, wherein: two limiting plates (421) used for stopping and limiting the first ball (43) and the second ball (44) are respectively arranged at two ends of the fixed guide rail (42), and the limiting plates (421) are provided with yielding through holes convenient for the movable guide rail (41) to extend out or retract into.

8. The multi-stroke rolling reciprocating configuration of claim 6, wherein: an isolation clearance groove is formed between the fixed guide rail (42) and the movable guide rail (41), first semi-cylindrical grooves (45) communicated with the isolation clearance groove are formed in the middle of the fixed guide rail (42) and the middle of the movable guide rail (41), and two ends of the first ball (43) are respectively arranged in the first semi-cylindrical grooves (45) of the fixed guide rail (42) and the first semi-cylindrical grooves (45) of the movable guide rail (41) in a rolling and accommodating mode; the number of the first ball bearings (43) is multiple, and a limiting block (46) which is convenient for isolating the two first ball bearings (43) is arranged between every two adjacent first ball bearings (43).

9. The multi-stroke rolling reciprocating configuration of claim 8, wherein: second semi-cylindrical grooves (47) communicated with the isolation clearance grooves are formed in the two sides of the fixed guide rail (42) and the two sides of the movable guide rail (41), and two ends of a second ball (44) are respectively arranged in the second semi-cylindrical grooves (47) of the fixed guide rail (42) and the second semi-cylindrical grooves (47) of the movable guide rail (41) in a rolling and accommodating mode; the ball is made of elastic material.

10. The multi-stroke rolling reciprocating configuration of claim 1, wherein: the rolling mechanism (4) is in a plurality of numbers, the rolling mechanisms (4) are respectively arranged on two sides of the transmission assembly (2), and the rolling mechanisms (4) are respectively arranged at two ends of the working frame (3).