CN213760725U - Automatic grit back flush device - Google Patents
Automatic grit back flush device Download PDFInfo
- Publication number
- CN213760725U CN213760725U CN202022806773.2U CN202022806773U CN213760725U CN 213760725 U CN213760725 U CN 213760725U CN 202022806773 U CN202022806773 U CN 202022806773U CN 213760725 U CN213760725 U CN 213760725U
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- CN
- China
- Prior art keywords
- shell
- filter screen
- push rod
- cover plate
- fixedly provided
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000011001 backwashing Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 20
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an automatic grit back flush device, including shell, locating piece, outlet pipe, micro motor and spring, the last fixed surface of apron installs the handle, and the lower fixed surface of apron installs the bungee cord to the lower fixed surface of bungee cord installs the filter screen, the inside fixed mounting of shell has the pressure differential inductor, and the inside fixed mounting of shell has micro motor to micro motor's terminal fixed mounting has the gear, the inside movable mounting of recess has the push rod, and the last fixed surface of push rod installs the tooth piece, and the right side fixed mounting of push rod has the spring. According to the automatic sandstone backwashing device, the internal filter screen can be taken out by detaching the cover plate above the device, the filter screen is cleaned or replaced, the service life of the device is prolonged, impurities on the filter screen are softened by vibration before backwashing of the device, the device is convenient to backwash, and backwashing efficiency is improved.
Description
Technical Field
The utility model relates to a grit washes technical field, specifically is an automatic grit back flush device.
Background
The sandstone filter is widely used in various places such as water plants, schools, rural areas and the like, is a filter capable of simultaneously treating organic impurities and inorganic impurities, impurities can be accumulated in the filter after the sandstone filter is used for a long time, an automatic backwashing device is required to be used, and the traditional automatic sandstone backwashing device has the following defects:
1. when the existing automatic sandstone backwashing device is used for backwashing, impurities such as sandstone and the like are sucked into the sewage pipe by utilizing the suction force of the suction nozzle, the impurities are adsorbed on the filter screen, sometimes the suction force is not enough to suck the impurities away from the filter screen, and the impurities can still be accumulated for a long time, so that the inside is blocked;
2. the filter element of the internal filter screen of the automatic sand and stone backwashing device is inconvenient to replace, the effect of thorough impurity removal can not be achieved only by self-cleaning of the device, impurities can be accumulated in the automatic sand and stone backwashing device after long-time use, internal parts are affected, and the service life of the device is shortened.
Aiming at the problems, innovative design is urgently needed on the basis of the original automatic sandstone backwashing device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic grit back flush unit to current automatic grit back flush unit who proposes in solving above-mentioned background art utilizes the suction of suction nozzle to inhale in the sewage pipe with impurity such as grit, and impurity adsorbs on the filter screen, and sometimes suction is not enough to inhale impurity from the filter screen, and impurity of being of a specified duration still can pile up, leads to inside jam and the inconvenient problem of changing inside filter screen filter core.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic sandstone backwashing device comprises a shell, a positioning block, a water outlet pipe, a micro motor and a spring, wherein a base is fixedly arranged on the lower surface of the shell, a positioning groove is formed in the upper surface of the shell, a cover plate is movably arranged on the upper surface of the shell, a handle is fixedly arranged on the upper surface of the cover plate, an elastic rope is fixedly arranged on the lower surface of the cover plate, a filter screen is fixedly arranged on the lower surface of the elastic rope, a positioning block is fixedly arranged on the side surface of the cover plate, a water inlet pipe is fixedly arranged on the left side of the shell, a water outlet pipe is fixedly arranged in front of the shell, a groove is formed in the inner wall of the shell, a pressure difference inductor is fixedly arranged in the shell, the micro motor is fixedly arranged in the shell, a gear is fixedly arranged at the tail end of the micro motor, a push rod is movably arranged in the groove, and a tooth block is fixedly arranged on the upper surface of the push rod, and the right side of the push rod is fixedly provided with a spring.
Preferably, the cover plate forms a disassembly and assembly structure with the shell through the positioning block and the positioning grooves, and the positioning grooves are distributed on the upper surface of the shell at equal intervals.
Preferably, the filter screen forms elastic structure through bungee cord and apron, and bungee cord is around the central symmetry distribution of filter screen.
Preferably, the filter screen is divided into an upper layer and a lower layer, and the mesh size of the filter screen of the lower layer is smaller than that of the filter screen of the upper layer.
Preferably, the material of outlet pipe front end is the rubber material, and the axis at outlet pipe end and the axis parallel and level of shell.
Preferably, the push rod passes through gear, tooth piece and recess and constitutes extending structure with the shell, and the end of push rod is "L" type structure of falling to the push rod passes through the spring and constitutes elastic construction with the filter screen.
Compared with the prior art, the beneficial effects of the utility model are that: the automatic sandstone backwashing device can take out the internal filter screen by disassembling the cover plate above, and clean or replace the filter screen, so that the service life of the device is prolonged, impurities on the filter screen are softened by vibration before the device is backwashed, the device is convenient to backwash, and the backwashing efficiency is improved;
1. before the device performs backwashing, the automatic sandstone backwashing device vibrates the filter screen by utilizing devices such as a push plate and a spring, the vibration force softens impurities on the filter screen, the device can perform backwashing conveniently, and the backwashing efficiency is improved;
2. this automatic grit back flush mounting can dismantle the apron of device top, and then takes out the filter screen that laps the below and wash, also can directly change the filter screen, also can directly carry out the edulcoration to the device is inside, reduces piling up of inside impurity, has also improved the work efficiency of device when extension device life.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 3 is a schematic top view of the housing of the present invention;
fig. 4 is a schematic view of the connection structure between the filter screen and the water outlet pipe of the present invention.
In the figure: 1. a housing; 2. a base; 3. positioning a groove; 4. a cover plate; 5. a handle; 6. a bungee cord; 7. a filter screen; 8. positioning blocks; 9. a water inlet pipe; 10. a water outlet pipe; 11. a groove; 12. a differential pressure sensor; 13. a micro motor; 14. a gear; 15. a push rod; 16. a tooth block; 17. a spring.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an automatic sandstone back-flushing device comprises a shell 1, a base 2, a positioning groove 3, a cover plate 4, a handle 5, an elastic rope 6, a filter screen 7, a positioning block 8, a water inlet pipe 9, a water outlet pipe 10, a groove 11, a pressure difference sensor 12, a micro motor 13, a gear 14, a push rod 15, a tooth block 16 and a spring 17, wherein the base 2 is fixedly arranged on the lower surface of the shell 1, the positioning groove 3 is formed in the upper surface of the shell 1, the cover plate 4 is movably arranged on the upper surface of the shell 1, the handle 5 is fixedly arranged on the upper surface of the cover plate 4, the elastic rope 6 is fixedly arranged on the lower surface of the cover plate 4, the filter screen 7 is fixedly arranged on the lower surface of the elastic rope 6, the positioning block 8 is fixedly arranged on the side surface of the cover plate 4, the water inlet pipe 9 is fixedly arranged on the left side of the shell 1, the water outlet pipe 10 is fixedly arranged on the front surface of the shell 1, and the groove 11 is formed in the inner wall of the shell 1, the inside fixed mounting of shell 1 has differential pressure inductor 12, and the inside fixed mounting of shell 1 has micro motor 13 to micro motor 13's terminal fixed mounting has gear 14, and the inside movable mounting of recess 11 has push rod 15, and the last fixed surface of push rod 15 installs tooth piece 16, and the right side fixed mounting of push rod 15 has spring 17.
Apron 4 constitutes through locating piece 8 and constant head tank 3 and shell 1 and dismantles mounting structure, and constant head tank 3 is at the equidistant distribution of shell 1's upper surface, uses the back for a long time, pulls down apron 4 through locating piece 8 and constant head tank 3, and a plurality of constant head tanks 3 make apron 4 more stable at the during operation.
The filter screen 7 is divided into an upper layer and a lower layer, the mesh size of the filter screen 7 on the lower layer is smaller than that of the filter screen 7 on the upper layer, the layered filter screens 7 enable the effect of filtering sand and stone of the device to be better, and the working efficiency of the device is improved.
The material of outlet pipe 10 front end is the rubber material, and the axis parallel and level of the terminal axis of outlet pipe 10 and shell 1, when filter screen 7 rocks, the rubber material of outlet pipe 10 front end does not influence rocking of filter screen 7.
The push rod 15 forms a telescopic structure with the shell 1 through the gear 14, the tooth block 16 and the groove 11, the tail end of the push rod 15 is of an inverted L-shaped structure, the push rod 15 forms an elastic structure with the filter screen 7 through the spring 17, when the micro motor 13 rotates anticlockwise, the gear 14 is driven to rotate anticlockwise, the tooth block 16 meshed with the gear drives the push rod 15 to move rightwards, the filter screen 7 is pushed to move rightwards, when the micro motor 13 rotates clockwise, the push rod 15 moves towards the groove 11, the filter screen 7 moves leftwards through self gravity, the spring 17 enables the vibration times of the filter screen 7 to be increased, the left side of the filter screen 7 and the right side of the push rod 15 are also protected, and the L-shaped structure of the push rod 15 enables the push rod 15 not to extend into the filter screen 7.
The working principle is as follows: when the automatic sandstone back-flushing device is used, according to the figure 1-2, the device is firstly placed at a position needing to work, after the device is used for a period of time, before the device is subjected to back-flushing, the pressure difference sensor 12 senses the pressure change of the filter screen 7, the micro motor 13 is started at the moment, when the micro motor 13 rotates anticlockwise, the gear 14 is driven to rotate anticlockwise, the tooth block 16 meshed with the gear 14 works, the push rod 15 is driven to move rightwards, the filter screen 7 shakes in the shell 1 through the elastic rope 6, when the micro motor 13 rotates clockwise, the gear 14 and the tooth block 16 drive the push rod 15 to move towards the groove 11, at the moment, the filter screen 7 moves leftwards through the self gravity and finally hits the spring 17, the spring 17 increases the vibration times of the filter screen 7, and simultaneously protects the left side of the filter screen 7 and the right side of the push rod 15, the push rod 15 is not stretched into the filter screen 7 due to the L-shaped structure of the push rod 15, impurities above the filter screen 7 are softened by vibrating the filter screen 7, so that the device is more efficient in backwashing, and when the filter screen 7 vibrates and shakes, the rubber material at the front end of the water outlet pipe 10 does not influence the shaking of the filter screen 7, so that the device is safer;
according to the figures 3-4, after long-time use, impurities can still be accumulated in the device, the cover plate 4 can be detached through the handle 5, the positioning block 8 and the positioning groove 3, the filter screen 7 below the cover plate 4 can be cleaned, the filter screen 7 can be directly replaced, the service life of the device is prolonged, the layered filter screen 7 enables the effect of filtering sand stones of the device to be better, the working efficiency of the device is improved, and the overall practicability is improved.
Those not described in detail in this specification are within the skill of the art.
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 (6)
1. The utility model provides an automatic grit back flush unit, includes shell (1), locating piece (8), outlet pipe (10), micro motor (13) and spring (17), its characterized in that: the lower fixed surface of the shell (1) is provided with a base (2), the upper surface of the shell (1) is provided with a positioning groove (3), the upper surface of the shell (1) is movably provided with a cover plate (4), the upper fixed surface of the cover plate (4) is provided with a handle (5), the lower fixed surface of the cover plate (4) is provided with an elastic rope (6), the lower fixed surface of the elastic rope (6) is provided with a filter screen (7), the side surface of the cover plate (4) is fixedly provided with a positioning block (8), the left side of the shell (1) is fixedly provided with a water inlet pipe (9), the front of the shell (1) is fixedly provided with a water outlet pipe (10), the inner wall of the shell (1) is provided with a groove (11), the inner part of the shell (1) is fixedly provided with a pressure difference inductor (12), and the inner part of the shell (1) is fixedly provided with a micro motor (13), and the tail end of the micro motor (13) is fixedly provided with a gear (14), a push rod (15) is movably arranged in the groove (11), the upper surface of the push rod (15) is fixedly provided with a tooth block (16), and the right side of the push rod (15) is fixedly provided with a spring (17).
2. The automatic sand backwashing apparatus of claim 1, wherein: the cover plate (4) and the shell (1) form a dismounting and mounting structure through the positioning block (8) and the positioning grooves (3), and the positioning grooves (3) are distributed on the upper surface of the shell (1) at equal intervals.
3. The automatic sand backwashing apparatus of claim 1, wherein: the filter screen (7) and the cover plate (4) form an elastic structure through the elastic rope (6), and the elastic rope (6) is symmetrically distributed about the center of the filter screen (7).
4. The automatic sand backwashing apparatus of claim 1, wherein: the filter screen (7) is divided into an upper layer and a lower layer, and the mesh size of the filter screen (7) at the lower layer is smaller than that of the filter screen (7) at the upper layer.
5. The automatic sand backwashing apparatus of claim 1, wherein: the material of outlet pipe (10) front end is the rubber material, and the axis at outlet pipe (10) end and the axis parallel and level of shell (1).
6. The automatic sand backwashing apparatus of claim 1, wherein: push rod (15) pass through gear (14), tooth piece (16) and recess (11) and constitute extending structure with shell (1), and the end of push rod (15) is "L" type structure to push rod (15) pass through spring (17) and constitute elastic construction with filter screen (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806773.2U CN213760725U (en) | 2020-11-30 | 2020-11-30 | Automatic grit back flush device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806773.2U CN213760725U (en) | 2020-11-30 | 2020-11-30 | Automatic grit back flush device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213760725U true CN213760725U (en) | 2021-07-23 |
Family
ID=76892654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022806773.2U Expired - Fee Related CN213760725U (en) | 2020-11-30 | 2020-11-30 | Automatic grit back flush device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213760725U (en) |
-
2020
- 2020-11-30 CN CN202022806773.2U patent/CN213760725U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |