CN217511291U

CN217511291U - Transmission mechanism of tubular internal backwashing filter

Info

Publication number: CN217511291U
Application number: CN202220814508.5U
Authority: CN
Inventors: 章祥; 张福者; 何一羽; 陈朝夫; 徐世强
Original assignee: Wenzhou Hightech Meter Group Co ltd
Current assignee: Wenzhou Hightech Meter Group Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-09-30
Anticipated expiration: 2032-04-11

Abstract

The utility model relates to a drive mechanism of back flush filter in shell and tube, including filter housing and the drive mechanism of setting at filter housing top, drive mechanism includes motor, speed reducer and the transmission shaft of being connected with the speed reducer output, still including preventing the cover of leaping up, prevent the cover suit of leaping up in the transmission shaft upper end, and prevent in the mounting groove of the closing cap of the cover of leaping up in the cover upper end, the other end offsets with the epaxial spacing step of transmission, should prevent that the lower extreme of leaping up the cover is equipped with the conflict step that terminal surface offsets under with the closing cap. The utility model discloses a set up and prevent the cover of leaping up, can effectively restrict the transmission shaft and go up the leaping up, guarantee the steady operation of equipment.

Description

Transmission mechanism of tubular internal backwashing filter

Technical Field

The utility model relates to the technical field of filters, concretely relates to transmission of back flush filter in shell and tube.

Background

The automatic backwashing filter is widely applied to the fields of metallurgy, chemical industry, petroleum, paper making, medicine, food, mining, electric power and urban water supply. Such as industrial waste water, filtration of circulating water, regeneration of emulsion, filtration treatment of waste oil, continuous casting water system, blast furnace water system in metallurgical industry, and high-pressure water descaling system for hot rolling. When the filter works, water to be filtered enters from the water gap, flows through the filter screen, enters a pipeline required by a user through the outlet to perform process circulation, and particle impurities in the water are intercepted inside the filter screen. So continuous circulation, the granule that is held back is more and more, filter speed is more and more slow, and the sewage of import still constantly gets into, the filtration pore can be more and more littleer, from this advance, produce pressure differential between the export, when the difference in height reaches the setting value, differential pressure transmitter transmits the signal of telecommunication to the controller, the controller starts driving motor and passes through drive assembly drive shaft rotation, the drain is opened simultaneously, discharge by the drain, after the filter screen washs and finishes, the pressure differential minimum falls to, the system returns to initial filtration form, system normal operating.

In the operation process of the existing backwashing filter, a transmission mechanism drives a transmission shaft to rotate, friction occurs between the transmission shaft and the filler, the transmission shaft can generate upward force under the action of continuous rotary friction force, and the transmission shaft can leap upwards over time, so that the normal use of equipment is influenced.

SUMMERY OF THE UTILITY MODEL

To the deficiency in the background art, the utility model provides a transmission mechanism of back flush filter in shell and tube.

The utility model adopts the technical proposal that: the utility model provides a drive mechanism of back flush filter in shell and tube, includes filter housing and sets up the drive mechanism at filter housing top, drive mechanism includes motor, speed reducer and the transmission shaft of being connected with the speed reducer output, still includes and prevents the cover of leaping up, prevent the cover suit of leaping up in the transmission shaft upper end, and prevent in the cover upper end of leaping up stretches into the mounting groove of the closing cap of filter housing, the other end offsets with the epaxial spacing step of transmission, should prevent that the lower extreme of leaping up the cover is equipped with the conflict step that offsets with the closing cap lower extreme.

Furthermore, a ball groove is formed in one side, attached to the sealing cover, of the abutting step, and balls are movably mounted in the ball groove.

Furthermore, a chip groove is formed in the length direction of the outer wall of the transmission shaft.

Furthermore, a sealing filler is arranged between the transmission shaft and the sealing cover and is compressed through a filling gland.

Furthermore, the chip groove is of a U-shaped structure

Furthermore, the bottom of the filter shell is provided with adjustable supporting legs, each adjustable supporting leg comprises an upper supporting leg and a lower supporting leg, one end of each upper supporting leg is connected with the filter shell, the other end of each upper supporting leg is provided with a threaded hole, and the upper end of each lower supporting leg is provided with a stud in threaded connection with the threaded hole.

Furthermore, the outer wall of lower stabilizer blade is equipped with rotatory handle, and the bottom is equipped with the supporting disk.

The utility model has the advantages that: the utility model discloses a set up and prevent the cover of leaping up, can effectively restrict the transmission shaft and go up the leaping up, guarantee the steady operation of equipment.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is a schematic cross-sectional view of a propeller shaft.

Fig. 4 is an enlarged schematic view of B in fig. 1.

In FIGS. 1-4: 1. a filter housing; 2. a motor; 3. a speed reducer; 4. a drive shaft; 5. a leap prevention sleeve; 6. sealing the cover; 7. mounting grooves; 8. a limiting step; 9. against the step; 10. a ball groove; 11. a ball bearing; 12. a chip groove; 13. sealing and filling; 14. a packing gland; 15. an upper leg; 16. a lower leg; 17. a threaded hole; 18. a stud; 19. Rotating the handle; 20. and (4) supporting the disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

The utility model provides a transmission mechanism of a shell and tube internal backwashing filter.

In this embodiment, referring to fig. 1 to 4, the transmission mechanism of the tubular internal backwashing filter includes a filter housing 1 and a transmission mechanism disposed at the top of the filter housing, the transmission mechanism includes a motor 2, a speed reducer 3, and a transmission shaft 4 connected to an output end of the speed reducer, and further includes a leap prevention sleeve 5, the leap prevention sleeve is sleeved on the upper end of the transmission shaft, an upper end of the leap prevention sleeve extends into an installation groove 7 of a sealing cover 6 of the filter housing, the other end of the leap prevention sleeve abuts against a limit step 8 on the transmission shaft, and a collision step 9 abutting against a lower end face of the sealing cover is disposed at a lower end of the leap prevention sleeve.

In the technical scheme, the leaping-up prevention sleeve is arranged, so that the leaping up of the transmission shaft can be effectively limited, and the stable operation of equipment is ensured.

Specifically, a ball groove 10 is formed in one side, attached to the sealing cover, of the abutting step, and a ball 11 is movably mounted in the ball groove. Through setting up the ball, can effectively reduce the friction between conflict step and the closing cap.

Specifically, a chip groove 12 is arranged along the length direction of the outer wall of the transmission shaft. The continuous rotation of the transmission shaft can generate abrasive dust; a sealing packing 13 is arranged between the transmission shaft and the sealing cover and is tightly pressed through a packing gland 14; the chip groove is of a U-shaped structure.

Among the above-mentioned technical scheme, can discharge the abrasive dust through setting up the chip groove, avoid the reason of abrasive dust and the problem that the jamming appears, improve driven operating stability.

Specifically, the bottom of the filter shell is provided with adjustable supporting legs, the adjustable supporting legs comprise an upper supporting leg 15 and a lower supporting leg 16, one end of the upper supporting leg is connected with the filter shell, the other end of the upper supporting leg is provided with a threaded hole 17, and the upper end of the lower supporting leg is provided with a stud 18 in threaded connection with the threaded hole; the outer wall of the lower supporting leg is provided with a rotating handle 19, and the bottom of the lower supporting leg is provided with a supporting disk 20.

The height of the supporting legs can be adjusted by arranging the adjustable supporting legs, so that different working condition requirements can be met.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. The utility model provides a drive mechanism of back flush filter in shell and tube, includes filter housing and sets up the drive mechanism at filter housing top, drive mechanism includes motor, speed reducer and the transmission shaft of being connected with the speed reducer output, its characterized in that: still including preventing the cover of leaping up, prevent the cover suit of leaping up in the transmission shaft upper end, and prevent in the cover upper end of leaping up stretches into the mounting groove of the closing cap of filter casing, the other end offsets with the spacing step on the transmission shaft, should prevent that the lower extreme of the cover of leaping up is equipped with the conflict step that offsets with the closing cap lower extreme face.

2. The transmission mechanism of the shell and tube internal backwashing filter of claim 1, wherein: the ball groove is formed in one side, attached to the sealing cover, of the abutting step, and balls are movably mounted in the ball groove.

3. The transmission mechanism of the shell and tube internal backwashing filter according to claim 1 or 2, wherein: and a chip groove is formed in the length direction of the outer wall of the transmission shaft.

4. The transmission mechanism of the shell and tube internal backwashing filter of claim 1, wherein: and a sealing filler is arranged between the transmission shaft and the sealing cover and is compressed by a filler gland.

5. The transmission mechanism of the shell and tube internal backwashing filter of claim 3, wherein: the chip groove is of a U-shaped structure.

6. The transmission mechanism of the shell and tube internal backwashing filter of claim 1, 2 or 4, wherein: the adjustable support leg is arranged at the bottom of the filter shell and comprises an upper support leg and a lower support leg, one end of the upper support leg is connected with the filter shell, the other end of the upper support leg is provided with a threaded hole, and a stud in threaded connection with the threaded hole is arranged at the upper end of the lower support leg.

7. The transmission mechanism of the shell and tube internal backwashing filter of claim 6, wherein: the outer wall of lower stabilizer blade is equipped with rotatory handle, and the bottom is equipped with the supporting disk.