CN218371481U

CN218371481U - Worm wheel screw rod lifter with accurate positioning structure

Info

Publication number: CN218371481U
Application number: CN202221620247.XU
Authority: CN
Inventors: 赵金龙
Original assignee: Hangzhou Longwei Transmission Co ltd
Current assignee: Hangzhou Longwei Transmission Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-01-24
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a take worm wheel lead screw lift of accurate positioning structure, including the lift lead screw, worm wheel box has been cup jointed in the outside of lift lead screw, the transmission box is installed in worm wheel box's the outside, the inboard of transmission box is rotated and is connected with the drive lever, the outside slip of drive lever has been cup jointed transmission sleeve, servo motor is installed on motor base's top, servo motor's transmission end is connected with the transfer line, it rotates through servo motor drive transfer line to overlap the outside of the connection transfer line of another lift with transmission sleeve, it can drive the drive lever of the lift that is connected and rotate together to connect the transfer line this moment, thereby guarantee that the lift of all linkages all can accurate control lift height, improve lift convenience, and when using the lift when having a power failure, can take off transmission sleeve from the outside of transfer line, then install the outside of connecting the transfer line with manual screw rod, then manually wave the lift, simple and convenient improvement lift's availability factor.

Description

Worm wheel screw rod lifter with accurate positioning structure

Technical Field

The utility model relates to a worm wheel lead screw lift technical field specifically is a take worm wheel lead screw lift of accurate positioning structure.

Background

The worm gear lead screw lifter is a basic hoisting component and has the advantages of compact structure, small volume, light weight, wide power source, no noise, convenient installation, flexible use, multiple functions, multiple matching forms, high reliability, long service life and the like;

however, the existing worm gear lead screw lifter has a single lifting mode, and when the plurality of lifters are used in a matched manner, the plurality of lifters are difficult to be accurately positioned at the same height, so that the use convenience of the lifter is reduced, and in order to avoid the technical problems, it is necessary to provide a worm gear lead screw lifter with an accurate positioning structure to overcome the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a take worm wheel lead screw lift of accurate positioning structure can effectively solve the current worm wheel lead screw lift mode singleness that proposes among the above-mentioned background art to be difficult to make the accurate location of a plurality of lifts at same height when the cooperation is used between a plurality of lifts, thereby reduced the problem of the use convenience of lift.

In order to achieve the above purpose, the utility model provides a following technical scheme: a worm wheel screw rod lifter with an accurate positioning structure comprises a lifting screw rod, wherein a worm wheel box is sleeved on the outer side of the lifting screw rod, a transmission box is installed on the outer side of the worm wheel box, the inner side of the transmission box is rotatably connected with a driving rod, a clamping block is welded on the outer side of the driving rod, a transmission sleeve is slidably sleeved on the outer side of the driving rod, and a clamping groove is formed in the position, corresponding to the clamping block, of the inner side of the transmission sleeve;

the worm wheel box is characterized in that a motor base is connected to one side end face of the worm wheel box, a servo motor is installed at the top end of the motor base, a transmission rod is connected to the transmission end of the servo motor, a limiting screw rod is connected to the inner side of a transmission sleeve in a threaded mode, a limiting threaded hole is formed in the position, corresponding to the limiting screw rod, of the outer side of the transmission sleeve, the other end of a driving rod is connected with a connecting transmission rod, and a manual screw rod is connected to the inner side of the connecting transmission rod in a threaded mode.

Preferably, the number of the clamping blocks is two, the two clamping blocks are symmetrically welded at the outer side position of the driving rod, a movable hole is formed in the position, corresponding to the limiting screw rod, of the inner side of the transmission rod, and the limiting screw rod is connected with the transmission rod in a sliding mode through the movable hole.

Preferably, a sliding hole is formed in a position, corresponding to the driving rod, of one side end face of the transmission sleeve, and the transmission sleeve is connected with the driving rod in a sliding mode through the sliding hole.

Preferably, one end of the manual screw is rotatably connected with the handle, and the input end of the servo motor is electrically connected with the output end of the external power supply.

Preferably, the outside top position department threaded connection of lift lead screw has lubricated threading board, the top of lubricated threading board is connected with the sponge box, the inboard embedding of sponge box has lubricated sponge, the inboard top position department sliding connection of sponge box has the pressing box, a plurality of oil-outs have been seted up to the bottom of pressing box equidistance, the oiling mouth has been seted up on the top of pressing box, supporting spring has been cup jointed in the outside of sponge box, lubricated threading board's bottom and lift lead screw correspond position department and have seted up lubricated mouth.

Preferably, one end of the supporting spring is in spot welding with the lubricating thread plate, the other end of the supporting spring is in spot welding with the pressing box, the lubricating ports are provided with a plurality of lubricating ports, and the lubricating ports are arranged at the bottom of the lubricating thread plate at equal angles.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. the lifting screw rod is arranged, the worm wheel box is arranged, the transmission box is arranged, the driving rod is arranged, the clamping block is arranged, the transmission sleeve is arranged, the clamping groove is formed in the motor base, the servo motor is arranged, the transmission rod is arranged, the limiting screw hole is formed in the connecting transmission rod and the manual screw rod is arranged, the transmission sleeve is sleeved on the outer side of the connecting transmission rod of the other lifter and drives the transmission rod to rotate through the servo motor, the connecting transmission rod can drive the driving rod of the connected lifter to rotate together, the lifting height of all linked lifters can be accurately controlled, the use convenience of the lifter is improved, the lifter can be taken down from the outer side of the transmission rod when the lifter is used during power failure, the manual screw rod is installed on the outer side of the connecting transmission rod, then the lifting is manually shaken, and the use efficiency of the lifter is simply and conveniently improved.

2. Is provided with a lubricating thread plate, a sponge box, a lubricating sponge, a pressing box, an oil outlet, an oil filling port, a supporting spring and a lubricating port, thereby pressing the pressing box

Compress lubricating sponge to extrude lubricating oil inside lubricating sponge, thereby the outside that then the lubricated mouth of rethread flows the lift lead screw is lubricated to the lift lead screw, can also fill the inboard of lubricating sponge with new lubricating oil through the oiling mouth after lubricating oil uses up, the lubrication degree of simple and convenient promotion lift lead screw, thereby be favorable to the smooth use of lift, and often paint lubricating oil and can prevent to go up and down the lead screw damage of rustting, promote the life of lift.

Drawings

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

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the mounting structure of the clamping block of the present invention;

FIG. 3 is a schematic view of the mounting structure of the hand screw of the present invention;

fig. 4 is a schematic view of the mounting structure of the support spring of the present invention;

reference numbers in the figures: 1. a lifting screw rod; 2. a worm gear case; 3. a transmission box; 4. a driving lever; 5. a clamping block; 6. a drive sleeve; 7. a clamping groove; 8. a motor base; 9. a servo motor; 10. a transmission rod; 11. a limit screw; 12. a limiting threaded hole; 13. connecting a transmission rod; 14. a manual screw; 15. lubricating the thread plate; 16. a sponge case; 17. a lubricating sponge; 18. pressing the box; 19. an oil outlet; 20. an oil filling port; 21. a support spring; 22. and (6) lubricating the opening.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a technical solution, a worm screw rod elevator with accurate positioning structure, including a lifting screw rod 1, a worm wheel box 2 is sleeved outside the lifting screw rod 1, a transmission box 3 is installed outside the worm wheel box 2, the inner side of the transmission box 3 is rotatably connected with a driving rod 4, a clamping block 5 is welded outside the driving rod 4, the clamping block 5 is provided with two clamping blocks 5, the two clamping blocks 5 are symmetrically welded at the outer side position of the driving rod 4, a movable hole is arranged at the position corresponding to the limiting screw rod 11 at the inner side of the transmission rod 10, the limiting screw rod 11 is slidably connected with the transmission rod 10 through the movable hole, transmission power is conveniently transmitted, a transmission sleeve 6 is slidably sleeved outside the driving rod 4, a side end face of the transmission sleeve 6 is provided with a sliding hole corresponding to the driving rod 4, the transmission sleeve 6 is slidably connected with the driving rod 4 through the sliding hole, the transmission sleeve 6 is conveniently detached and connected to the transmission sleeve 6, a clamping groove 7 is arranged at the position corresponding to the clamping block 5 at the inner side of the transmission sleeve 6;

one side end face of worm wheel box 2 is connected with motor base 8, servo motor 9 is installed on motor base 8's top, servo motor 9 passes through the bolt and installs the top at motor base 8, servo motor 9's transmission end is connected with transfer line 10, the inboard threaded connection of transmission sleeve 6 has stop screw 11, stop screw hole 12 has been seted up with stop screw 11 corresponding position department in the outside of transmission sleeve 6, the other end of active lever 4 is connected with connection transfer line 13, the inboard threaded connection of connection transfer line 13 has manual screw 14, manual screw 14's one end is rotated and is connected with the handle, conveniently manually use the lift, servo motor 9's input and external power source's output electric connection.

The outside top position department threaded connection of lift lead screw 1 has lubricated threading board 15, the top of lubricated threading board 15 is connected with sponge box 16, the inboard embedding of sponge box 16 has lubricated sponge 17, the inboard top position department sliding connection of sponge box 16 has pressing box 18, a plurality of oil-outs 19 have been seted up to angles such as the bottom of pressing box 18, oiling mouth 20 has been seted up on the top of pressing box 18, supporting spring 21 has been cup jointed in the outside of sponge box 16, lubricated mouth 22 has been seted up with lift lead screw 1 corresponding position department in the bottom of lubricated threading board 15, supporting spring 21's one end and lubricated threading board 15 spot welding mutually, supporting spring 21's the other end and pressing box 18 spot welding mutually, lubricated mouth 22 has seted up a plurality of, angle such as a plurality of lubricated mouth 22 is seted up in the bottom position department of lubricated threading board 15, be favorable to lubricated lift lead screw 1 and prevent that lift lead screw 1 from rustting.

The utility model discloses a theory of operation and use flow: firstly, when a plurality of elevators are required to be used in a matched manner, a transmission sleeve 6 of one elevator slides to one side of a clamping block 5, then a clamping groove 7 is clamped on the outer side of the clamping block 5, the transmission sleeve 6 is sleeved on the outer side of a connection transmission rod 13 of the other elevator, the transmission sleeve 6 and the connection transmission rod 13 are in limited connection through a limiting screw rod 11, at the moment, when the elevators are required to be used in a lifting manner, a transmission rod 10 is driven to rotate through a servo motor 9, then the transmission sleeve 6 and the clamping block 5 drive the driving rod 4 to rotate, at the moment, the connection transmission rod 13 can drive the driving rod 4 of the connected elevators to rotate together, so that a worm wheel box 2 is driven to lift on the outer side of a lifting screw rod 1, all linked elevators can be ensured to accurately control lifting heights, the use convenience of the elevators is improved, when the elevators are used in a shaking manner, the transmission sleeve 6 can be taken down from the outer sides of the transmission rod 10, then a manual screw rod 14 is mounted on the outer sides of the connection transmission rod 13, and then manual lifting is carried out, and the elevators are simply and conveniently improved in the use efficiency of the elevators;

then, after using a period of time, thereby compress supporting spring 21 through pressing box 18, pressing box 18 can compress lubricated sponge 17 this moment, so as to extrude the inside lubricating oil of lubricated sponge 17, thereby the outside of lift lead screw 1 is lubricated and is protected to rethread lubrication mouth 22 flow, and supporting spring 21 can reset pressing box 18 again after pressing the end, can also pass through oiling mouth 20 with the inboard of lubricating oil filling to lubricated sponge 17 after lubricating oil uses up, the lubrication degree of lift lead screw 1 is conveniently promoted simply, thereby be favorable to smooth use of lift, and often scribble lubricating oil and can prevent to rust the damage of lift lead screw 1, promote the life of lift.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a take worm wheel lead screw lift of accurate positioning structure, includes lift lead screw (1), its characterized in that: a worm wheel box (2) is sleeved on the outer side of the lifting screw rod (1), a transmission box (3) is installed on the outer side of the worm wheel box (2), the inner side of the transmission box (3) is rotatably connected with a driving rod (4), a clamping block (5) is welded on the outer side of the driving rod (4), a transmission sleeve (6) is slidably sleeved on the outer side of the driving rod (4), and a clamping groove (7) is formed in the position, corresponding to the clamping block (5), of the inner side of the transmission sleeve (6);

the worm wheel box is characterized in that a motor base (8) is connected to one side end face of the worm wheel box (2), a servo motor (9) is installed at the top end of the motor base (8), a transmission rod (10) is connected to a transmission end of the servo motor (9), a limiting screw rod (11) is connected to the inner side of the transmission sleeve (6) in a threaded mode, a limiting threaded hole (12) is formed in the position, corresponding to the limiting screw rod (11), of the outer side of the transmission sleeve (6), a connection transmission rod (13) is connected to the other end of the driving rod (4), and a manual screw rod (14) is connected to the inner side of the connection transmission rod (13) in a threaded mode.

2. The worm-gear lead screw elevator with the accurate positioning structure as claimed in claim 1, wherein: the two clamping blocks (5) are symmetrically welded at the outer side position of the driving rod (4), the inner side of the transmission rod (10) is provided with a movable hole corresponding to the limiting screw rod (11), and the limiting screw rod (11) is connected with the transmission rod (10) in a sliding mode through the movable hole.

3. The worm-gear lead screw elevator with the accurate positioning structure as claimed in claim 1, wherein: a sliding hole is formed in the position, corresponding to the driving rod (4), of the end face of one side of the transmission sleeve (6), and the transmission sleeve (6) is connected with the driving rod (4) in a sliding mode through the sliding hole.

4. The worm-gear lead screw elevator with the accurate positioning structure as claimed in claim 1, wherein: one end of the manual screw (14) is rotatably connected with a handle, and the input end of the servo motor (9) is electrically connected with the output end of an external power supply.

5. The worm-gear lead screw elevator with the accurate positioning structure as claimed in claim 1, wherein: the utility model discloses a lubrication screw, including the lift lead screw, the inboard top position department of sponge box (18), the inboard top position department sliding connection of sponge box (16) has lubricated thread plate (15), the top of lubricated thread plate (15) is connected with sponge box (16), the inboard embedding of sponge box (16) has lubricated sponge (17), the inboard top position department sliding connection of sponge box (16) has suppression box (18), a plurality of oil-outs (19) have been seted up to the bottom of suppression box (18) equiangular, oiling mouth (20) have been seted up on the top of suppression box (18), supporting spring (21) have been cup jointed in the outside of sponge box (16), lubricated mouthful (22) have been seted up with lift lead screw (1) corresponding position department in the bottom of lubricated thread plate (15).

6. The worm-gear lead screw elevator with the accurate positioning structure as claimed in claim 5, wherein: one end of the supporting spring (21) is in spot welding with the lubricating thread plate (15), the other end of the supporting spring (21) is in spot welding with the pressing box (18), the lubricating port (22) is provided with a plurality of lubricating ports, and the lubricating ports (22) are arranged at the bottom of the lubricating thread plate (15) at equal angles.