CN218345058U

CN218345058U - Screw rod elevator with dustproof function

Info

Publication number: CN218345058U
Application number: CN202222716093.0U
Authority: CN
Inventors: 张伟; 伊国晓; 周洪礼
Original assignee: Hangzhou Yiding Transmission Machinery Co ltd
Current assignee: Hangzhou Yiding Transmission Machinery Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-01-20
Anticipated expiration: 2032-10-15

Abstract

The application discloses lead screw lift with dustproof function relates to lead screw lift technical field, and the dust that improves the lead screw surface can follow the lead screw and get into the casing in, when the inside dust of casing is more, causes the problem of drive disk assembly's friction increase easily, including the casing with install the end cover at the casing top, the internal rotation of casing installs the worm wheel, the inside one side that is located the worm wheel of casing is rotated and is installed the worm that meshes with the worm wheel mutually, the internal thread of worm wheel is connected with the lead screw, the equal fixedly connected with supporting seat in both sides at end cover top, the middle part threaded connection of supporting seat has adjusting screw, adjusting screw is close to the one end rotation of lead screw and is connected with the cleaning brush. This application is through the setting of adjusting screw and cleaning brush, and at the screw decline in-process, the cleaning brush can be cleared up the dust that the lead screw surface is infected with, reduces and follows the dust that the lead screw got into in the casing, reduces the dust and leads to the condition of drive disk assembly friction increase.

Description

Screw rod elevator with dustproof function

Technical Field

The application relates to the field of screw rod lifters, in particular to a screw rod lifter with a dustproof function.

Background

The worm gear screw rod lifter can be widely applied to various industries such as machinery, metallurgy, building, chemical engineering, medical treatment, culture and sanitation and the like. The lifting or pushing height can be accurately controlled and adjusted according to a certain program, and the lifting or pushing height can be directly driven by a motor or other power or manually operated.

The existing screw rod lifter mainly comprises a machine shell, a worm wheel and a screw rod, wherein the worm, the worm wheel and the screw rod are arranged in the machine shell, and when the screw rod lifter works, the worm is driven by external power to rotate, so that the worm drives the worm wheel to rotate, and the worm wheel drives the screw rod to lift at the top of the machine shell.

In realizing this application process, the inventor finds that there is following problem at least in this technique, and when the lead screw exposed for a long time in external environment, the lead screw surface is infected with the dust easily, and when the lead screw descends, the dust on lead screw surface can follow the lead screw and get into in the casing, and when the inside dust of casing was more, caused transmission part's friction increase easily, influenced screw rod lift's life-span. Therefore, a screw elevator having a dust-proof function is now proposed.

SUMMERY OF THE UTILITY MODEL

In can follow the lead screw entering casing in order to improve the dust on lead screw surface, when the inside dust of casing was more, caused the problem of drive disk assembly's friction increase easily, this application provides a lead screw lift with dustproof function.

The application provides a screw rod elevator with dustproof function adopts following technical scheme:

a screw rod lifter with a dustproof function comprises a shell and an end cover arranged at the top of the shell, wherein a worm wheel is rotatably arranged in the shell, a worm meshed with the worm wheel is rotatably arranged on one side of the worm wheel in the shell, and a screw rod is connected with the inner thread of the worm wheel;

the supporting seats are fixedly connected to the two sides of the top of the end cover, the middle of each supporting seat is in threaded connection with an adjusting screw rod, and one end, close to the screw rod, of each adjusting screw rod is rotatably connected with a cleaning brush.

Through adopting above-mentioned technical scheme, when using, use the hand wheel to rotate the worm, make the worm drive the worm wheel and rotate, make the worm wheel drive the lead screw and go up and down, when the lead screw descends, can use the knob to rotate adjusting screw, make adjusting screw drive cleaning brush be close to and with the lead screw contact to the lead screw, at lead screw decline in-process, the cleaning brush can be cleared up the dust that the lead screw surface is infected with, reduce and follow the dust that the lead screw got into in the casing, reduce the condition that the dust leads to the increase of drive disk assembly friction.

Optionally, bearings are installed on the inner top wall and the inner bottom wall of the casing, and the worm wheel is rotatably installed between the two bearings.

Through adopting above-mentioned technical scheme, the bearing is used for playing the stable supporting effect to the worm wheel.

Optionally, one end of the worm penetrates through the casing and is fixedly provided with a hand wheel.

Through adopting above-mentioned technical scheme, can rotate the worm through the hand wheel.

Optionally, an oil filling hole is arranged at one side of the casing.

Through adopting above-mentioned technical scheme, can pour into lubricating oil into to the casing through the oil filler point, be convenient for lubricate the transmission part in the casing, reduce the frictional force between the transmission part, prolong the life-span of lift.

Optionally, a flange is fixedly mounted at the upper end of the screw rod.

Through adopting above-mentioned technical scheme, can be connected the installation with the part that needs go up and down through the ring flange.

Optionally, a knob is fixedly mounted at one end of the adjusting screw rod, which is far away from the screw rod.

Through adopting above-mentioned technical scheme, can use the knob to rotate adjusting screw.

Optionally, the back fixedly connected with gag lever post of cleaning brush, the gag lever post slides and runs through the supporting seat.

Through adopting above-mentioned technical scheme, can play limiting displacement to the cleaning brush through the gag lever post, improve the stability of cleaning brush.

Optionally, the bottom of the casing is fixedly provided with a guide sleeve, and the outer side wall of the screw rod is provided with a guide groove.

Through adopting above-mentioned technical scheme, through the cooperation of uide bushing with the guide way, can play the guide effect to the lead screw.

In summary, the present application has the following beneficial effects:

1. according to the screw rod cleaning device, through the arrangement of the adjusting screw rod and the cleaning brush, in the descending process of the screw rod, the cleaning brush can clean dust stained on the surface of the screw rod, the dust entering the shell along with the screw rod is reduced, and the condition that friction of a transmission part is increased due to the dust is reduced;

2. this application can be to injecting lubricating oil in the casing through the oil filler point, is convenient for lubricate the drive disk assembly in the casing, reduces the frictional force between the drive disk assembly, prolongs the life-span of lift.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic cross-sectional structure of the present application.

Description of the reference numerals:

1. a housing; 2. an end cap; 3. a worm gear; 4. a worm; 5. a lead screw; 51. a guide groove; 6. a supporting seat; 7. adjusting the screw rod; 8. a cleaning brush; 9. a bearing; 10. a hand wheel; 11. an oil filler hole; 12. a flange plate; 13. a knob; 14. a limiting rod; 15. a guide sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1-2, a screw elevator with a dustproof function includes a housing 1 and an end cap 2 installed on the top of the housing 1, and the interior of the housing 1 can be operated by opening the end cap 2. Worm wheel 3 is installed in the inside rotation of casing 1, and bearing 9 is all installed to the interior roof and the interior diapire of casing 1, and worm wheel 3 rotates to be installed between two bearing 9, and bearing 9 is used for playing the stabilizing support effect to worm wheel 3. The worm 4 meshed with the worm wheel 3 is rotatably installed on one side, located on the worm wheel 3, in the machine shell 1, one end of the worm 4 penetrates through the machine shell 1 and is fixedly provided with a hand wheel 10, and the worm 4 can be rotated through the hand wheel 10. The internal thread of worm wheel 3 is connected with lead screw 5, and the linkage of worm wheel 3 and lead screw 5 and the direction of lead screw 5 all adopt prior art means, are unanimous with current lead screw lift, do not do here and describe in detail. A flange 12 is fixedly arranged at the upper end of the screw rod 5, and the screw rod 5 and a component needing to be lifted can be connected and arranged through the flange 12.

When the lifting device is used, the hand wheel 10 is used for rotating the worm 4, so that the worm 4 drives the worm wheel 3 to rotate, and the worm wheel 3 drives the screw rod 5 to lift.

Referring to fig. 1 and 2, the equal fixedly connected with supporting seat 6 in both sides at 2 tops of end cover, the middle part threaded connection of supporting seat 6 has adjusting screw 7, and adjusting screw 7 keeps away from the one end fixed mounting of lead screw 5 has knob 13, and adjusting screw 7 is close to the one end rotation of lead screw 5 and is connected with cleaning brush 8.

When lead screw 5 descends, can use knob 13 to rotate adjusting screw 7, make adjusting screw 7 drive cleaning brush 8 to lead screw 5 be close to and contact with lead screw 5, at the decline in-process of lead screw 5, cleaning brush 8 can clear up the dust that the lead screw 5 surface is infected with, reduces the dust that follows lead screw 5 and enter into casing 1, reduces the condition that the dust leads to the increase of drive disk assembly friction.

The cleaning brush 8 comprises a bearing plate and bristles adhered to the surface of the bearing plate, and the bristles can be detached from the bearing plate after long-term use so as to adhere new bristles again.

In addition, the back fixedly connected with gag lever post 14 of cleaning brush 8, gag lever post 14 slide and run through supporting seat 6, can play limiting displacement to cleaning brush 8 through gag lever post 14, improve cleaning brush 8's stability.

Referring to fig. 2, an oil filling hole 11 is formed in one side of the machine case 1, and lubricating oil can be filled into the machine case 1 through the oil filling hole 11, so that transmission parts in the machine case 1 can be conveniently lubricated, friction between the transmission parts is reduced, and the service life of the elevator is prolonged.

Referring to fig. 2, the bottom of the housing 1 is fixedly provided with a guide sleeve 15, the outer side wall of the screw 5 is provided with a guide groove 51, the inner wall of the guide sleeve 15 is provided with a guide block in sliding fit with the guide groove 51, and the screw 5 can be prevented from rotating by the fit between the guide sleeve 15 and the guide groove 51, so that the screw 5 is guided.

The implementation principle of the application is as follows: when lead screw 5 descends, can use knob 13 to rotate adjusting screw 7, make adjusting screw 7 drive cleaning brush 8 to lead screw 5 be close to and contact with lead screw 5, at lead screw 5 decline in-process, cleaning brush 8 can clear up the dust that the lead screw 5 surface is infected with, reduces and follows the dust that lead screw 5 entered into in the casing 1, reduces the condition that the dust leads to the increase of drive disk assembly friction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a screw rod elevator with dustproof function, includes casing (1) and installs end cover (2) at casing (1) top, its characterized in that: a worm wheel (3) is rotatably mounted in the shell (1), a worm (4) meshed with the worm wheel (3) is rotatably mounted on one side, located on the worm wheel (3), in the shell (1), and a lead screw (5) is connected to the inner thread of the worm wheel (3);

the supporting seat is fixedly connected with the two sides of the top of the end cover (2) respectively, an adjusting screw rod (7) is connected to the middle of the supporting seat (6) in a threaded mode, and a cleaning brush (8) is connected to one end, close to the screw rod (5), of the adjusting screw rod (7) in a rotating mode.

2. The screw elevator with a dustproof function according to claim 1, characterized in that: bearing (9) are all installed to the interior roof and the interior diapire of casing (1), worm wheel (3) rotate to be installed between two bearing (9).

3. The screw lifter with a dustproof function according to claim 1, characterized in that: one end of the worm (4) penetrates through the casing (1) and is fixedly provided with a hand wheel (10).

4. The screw lifter with a dustproof function according to claim 1, characterized in that: and an oil filling hole (11) is formed in one side of the machine shell (1).

5. The screw lifter with a dustproof function according to claim 1, characterized in that: and a flange plate (12) is fixedly arranged at the upper end of the lead screw (5).

6. The screw lifter with a dustproof function according to claim 1, characterized in that: and a knob (13) is fixedly installed at one end of the adjusting screw rod (7) far away from the screw rod (5).

7. The screw lifter with a dustproof function according to claim 1, characterized in that: the back fixedly connected with gag lever post (14) of cleaning brush (8), gag lever post (14) slide and run through supporting seat (6).

8. The screw elevator with a dustproof function according to claim 1, characterized in that: the bottom of the machine shell (1) is fixedly provided with a guide sleeve (15), and the outer side wall of the lead screw (5) is provided with a guide groove (51).