CN220732526U - Water filter transmission shaft with piston rod type sealing structure - Google Patents
Water filter transmission shaft with piston rod type sealing structure Download PDFInfo
- Publication number
- CN220732526U CN220732526U CN202322451638.4U CN202322451638U CN220732526U CN 220732526 U CN220732526 U CN 220732526U CN 202322451638 U CN202322451638 U CN 202322451638U CN 220732526 U CN220732526 U CN 220732526U
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- CN
- China
- Prior art keywords
- transmission shaft
- water filter
- piston rod
- motor
- shaped sealing
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- 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.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 114
- 238000007789 sealing Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000010865 sewage Substances 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model belongs to the field of water filter transmission shafts, in particular to a water filter transmission shaft with a piston rod type sealing structure, which comprises a water filter body, a transmission shaft assembly and a pollution discharge assembly; the transmission shaft assembly is positioned at the inner side and the outer side of the water filter body, and the pollution discharge assembly is positioned at the inner side and the outer side of the water filter body; the transmission shaft assembly comprises a motor, a connecting cylinder, a first transmission shaft, a second transmission shaft, a third transmission shaft, a thrust bearing bush, an O-shaped sealing ring, a guide bearing bush and a radial ball bearing, and the motor is arranged above the water filter body; through drive mechanism's structural design, realized when changing O type sealing washer, only need dismantle the bolt between connecting cylinder and the motor, upwards rise the motor again, can take out first transmission shaft in the lump, make it break away from the water purifier body, and need not dismantle all bolts of falling the big flange department of water purifier body, make things convenient for the maintainer to change O type sealing washer's function from the top of water purifier body.
Description
Technical Field
The utility model relates to the field of water filter transmission shafts, in particular to a water filter transmission shaft with a piston rod type sealing structure.
Background
The manual water filter and the electric water filter are composed of: the device comprises a rotating shaft system, a water inlet, a water outlet, a bracket shell, a net core system, an electric speed reducer, a sewage outlet, an electric cabinet and the like.
In the chinese patent with publication No. CN210265849U, a full-automatic water filter transmission shaft sealing structure is disclosed, two layers of static seals are formed by an O-shaped sealing ring and a plane sealing ring, the radial sealing ring and the packing are sealed in a moving way, so that the transmission shaft can have good sealing performance in static and dynamic states, the shaft shoulder and the thrust roller bearing are arranged to enable the transmission shaft to bear partial axial force, the full-automatic water filter transmission shaft sealing structure has stronger adaptability, when the sealing performance does not meet the requirement, the second sleeve is tightly pressed by an adjusting bolt, thereby tightly pressing the packing, the packing expands in the radial direction to fill the gap between the transmission shaft and the first sleeve, so that better sealing performance is provided between the transmission shaft and the first sleeve, but the transmission shaft in the comparative patent is of an integral structure, and in order to ensure the sealing of the transmission shaft, the O-shaped sealing ring is adopted, the transmission shaft rotates under the action of a reducing motor for a long time, so that the O-shaped sealing ring can generate larger friction with the O-shaped sealing ring, the O-shaped sealing ring is easy to wear, if the O-shaped sealing ring is replaced, all the top of the flange of the water filter needs to be removed, and more labor is consumed after the whole water filter is removed, and the O-shaped sealing ring is replaced, and the assembly cost is more time wasted; therefore, a water filter transmission shaft with a piston rod type sealing structure is provided for solving the problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, the transmission shaft in the comparison patent is of an integral structure, and adopts an O-shaped sealing ring to seal in order to ensure the sealing of the transmission shaft, and the transmission shaft rotates under the action of a gear motor for a long time, so that larger friction is generated between the transmission shaft and the O-shaped sealing ring, the O-shaped sealing ring is easy to wear, if the O-shaped sealing ring needs to be replaced, all bolts of a flange at the top of the water filter are required to be removed, the whole transmission shaft is taken out, the O-shaped sealing ring is replaced and then assembled back, and the replacement operation mode can consume more labor cost and is time-consuming and labor-consuming.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a water filter transmission shaft with a piston rod type sealing structure, which comprises a water filter body, a transmission shaft assembly and a pollution discharge assembly; the transmission shaft assembly is positioned at the inner side and the outer side of the water filter body, and the pollution discharge assembly is positioned at the inner side and the outer side of the water filter body;
the water filter is characterized in that the transmission shaft assembly comprises a motor, a connecting cylinder, a first transmission shaft, a second transmission shaft, a third transmission shaft, a thrust bearing bush, an O-shaped sealing ring, a guide bearing bush and a radial ball bearing, wherein the motor is arranged above the water filter body, the connecting cylinder is fixedly communicated with the middle part of the upper end of the water filter body, two sides of the bottom end of the motor are fixed with two sides of the top end of the connecting cylinder through bolts, and the first transmission shaft is fixedly connected with the lower end of the transmission end of the motor.
Preferably, the second transmission shaft is clamped at the lower end of the first transmission shaft, and the third transmission shaft is fixedly connected at the lower end of the second transmission shaft.
Preferably, the thrust bearing bush is arranged in the middle of the outer end of the second transmission shaft, and the number of the O-shaped sealing rings is two.
Preferably, one O-shaped sealing ring is sleeved at the top of the outer end of the first transmission shaft, and the other O-shaped sealing ring is sleeved at the bottom of the outer end of the first transmission shaft.
Preferably, the guide shaft bush is sleeved in the middle of the outer end of the first transmission shaft, the radial ball bearing is arranged at the top of the first transmission shaft, and the outer sides of the O-shaped sealing rings, the outer sides of the guide shaft bushes and the outer sides of the radial ball bearings are all attached to the inner wall of the connecting cylinder.
Preferably, the blowdown assembly comprises a blowdown fork pipe and a blowdown pipe, wherein the blowdown fork pipe is communicated with the bottom of the inner cavity of the water filter body, and the blowdown pipe is fixedly communicated with the lower end of the water filter body.
Preferably, the drain pipe is communicated with the drain fork pipe, and the top end of the drain fork pipe is fixed at the lower end of the third transmission shaft through a bolt.
The utility model has the advantages that:
1. according to the utility model, through the structural design of the transmission mechanism, when the O-shaped sealing ring is replaced, only the bolts between the connecting cylinder and the motor are required to be disassembled, the motor is lifted upwards, the first transmission shaft can be taken out together, so that the first transmission shaft is separated from the water filter body, all bolts at the large flange of the water filter body are not required to be disassembled, the function of replacing the O-shaped sealing ring from the top of the water filter body by an maintainer is facilitated, the problem that only one transmission shaft in a comparison patent is of an integral structure and is an integral structure is solved, in order to ensure the sealing of the transmission shaft, the O-shaped sealing ring is adopted for sealing, the transmission shaft rotates under the action of the speed reducing motor for a long time, so that larger friction is generated between the transmission shaft and the O-shaped sealing ring, the O-shaped sealing ring is easy to wear, and the whole transmission shaft is required to be removed if the O-shaped sealing ring is required to be replaced, and is assembled again after the O-shaped sealing ring is replaced, the replacement operation mode is more labor cost, and time and labor are wasted, so that the operation is simpler and more practical.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of two water filter sets according to the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.
In the figure: 1. a water filter body; 2. a motor; 3. a connecting cylinder; 4. a first drive shaft; 5. a second drive shaft; 6. a third drive shaft; 7. thrust bearing bush; 8. an O-shaped sealing ring; 9. a guide bush; 10. a radial ball bearing; 11. a pollution discharge fork pipe; 12. and a blow-down pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a water filter transmission shaft with a piston rod type sealing structure comprises a water filter body 1, a transmission shaft assembly and a sewage disposal assembly; the transmission shaft components are positioned at the inner side and the outer side of the water filter body 1, and the pollution discharge components are positioned at the inner side and the outer side of the water filter body 1;
the transmission shaft assembly comprises a motor 2, a connecting cylinder 3, a first transmission shaft 4, a second transmission shaft 5, a third transmission shaft 6, a thrust bearing 7, an O-shaped sealing ring 8, a guide shaft bearing 9 and a radial ball bearing 10, wherein the motor 2 is arranged above the water filter body 1, the connecting cylinder 3 is fixedly communicated with the middle part of the upper end of the water filter body 1, two sides of the bottom end of the motor 2 and two sides of the top end of the connecting cylinder 3 are fixed through bolts, and the first transmission shaft 4 is fixedly connected with the lower end of the transmission end of the motor 2;
during operation, the connecting cylinder 3 can play a role in supporting and fixing the motor 2 under the cooperation of the bolts, and the transmission shaft of the motor 2 is divided into three sections, namely a first transmission shaft 4, a second transmission shaft 5 and a third transmission shaft 6, when the O-shaped sealing ring 8 needs to be replaced, only the bolts between the connecting cylinder 3 and the motor 2 need to be disassembled, and then the motor 2 is lifted upwards, so that the first transmission shaft 4 can be taken out together, and the water filter body 1 is separated.
Further, the second transmission shaft 5 is clamped at the lower end of the first transmission shaft 4, and the third transmission shaft 6 is fixedly connected at the lower end of the second transmission shaft 5;
when the device works, the transmission shafts of the device are split into three parts by the arrangement of the second transmission shaft 5 and the third transmission shaft 6, so that the transmission shafts of the device are not integral any more, and the O-shaped sealing ring 8 is more convenient to replace.
Further, the thrust bearing 7 is sleeved in the middle of the outer end of the second transmission shaft 5, and the number of the O-shaped sealing rings 8 is two;
during operation, the thrust bearing 7 can improve the firmness of the first transmission shaft 4 and the second transmission shaft 5 in clamping.
Further, one O-shaped sealing ring 8 is sleeved at the top of the outer end of the first transmission shaft 4, and the other O-shaped sealing ring 8 is sleeved at the bottom of the outer end of the first transmission shaft 4;
when the water filter works, the two O-shaped sealing rings 8 can ensure the tightness of the joint of the first transmission shaft 4 and the water filter body 1.
Further, the guide shaft bush 9 is sleeved in the middle of the outer end of the first transmission shaft 4, the radial ball bearing 10 is arranged at the top of the first transmission shaft 4, and the outer sides of the two O-shaped sealing rings 8, the outer sides of the guide shaft bush 9 and the outer sides of the radial ball bearings 10 are all attached to the inner wall of the connecting cylinder 3;
in operation, the arrangement of the guide bush 9 and the radial ball bearing 10 can play an excellent role in guiding and positioning the first transmission shaft 4.
Further, the sewage disposal assembly comprises a sewage disposal fork pipe 11 and a sewage disposal pipe 12, wherein the sewage disposal fork pipe 11 is communicated with the bottom of the inner cavity of the water filter body 1, and the sewage disposal pipe 12 is fixedly communicated with the lower end of the water filter body 1;
when the sewage draining fork tube 11 is in operation, the motor 2 drives the first transmission shaft 4, the second transmission shaft 5 and the third transmission shaft 6 to rotate, so that the sewage draining fork tube 11 can be driven to rotate.
Further, the drain pipe 12 is communicated with the drain fork pipe 11, and the top end of the drain fork pipe 11 is fixed at the lower end of the third transmission shaft 6 through a bolt;
during operation, the pollution discharge fork pipe 11 is matched with the water inlet of the water filter body 1 and the filter screen arranged in the water filter body, so that impurities in sewage can be effectively filtered, and the impurities are discharged.
Working principle: when the O-shaped sealing rings 8 are worn and need to be replaced, the bolts between the connecting cylinder 3 and the connecting part of the motor 2 are unscrewed, then the motor 2 is lifted upwards, the first transmission shaft 4 and the O-shaped sealing rings 8 can move along with the O-shaped sealing rings and are separated from the connecting cylinder 3, then the two O-shaped sealing rings 8 at the outer end of the first transmission shaft 4 are taken down, then the two new O-shaped sealing rings 8 are distributed and sleeved at the top and the bottom of the outer end of the first transmission shaft 4, and the inside of the connecting cylinder 3 is reinserted, so that the bottom end of the first transmission shaft 4 is clamped with the top end of the second transmission shaft 5, finally, the bolts at the connecting part of the motor 2 and the connecting cylinder 3 are screwed, and the replacement of the O-shaped sealing rings 8 can be completed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. The utility model provides a piston rod type seal structure's water purifier transmission shaft which characterized in that: comprises a water filter body (1), a transmission shaft assembly and a sewage discharging assembly; the transmission shaft assemblies are positioned at the inner side and the outer side of the water filter body (1), and the pollution discharge assemblies are positioned at the inner side and the outer side of the water filter body (1);
the novel water purifier is characterized in that the transmission shaft assembly comprises a motor (2), a connecting cylinder (3), a first transmission shaft (4), a second transmission shaft (5), a third transmission shaft (6), a thrust bearing (7), an O-shaped sealing ring (8), a guide shaft bearing (9) and a radial ball bearing (10), wherein the motor (2) is arranged above the water purifier body (1), the connecting cylinder (3) is fixedly communicated with the middle part of the upper end of the water purifier body (1), two sides of the bottom end of the motor (2) are fixed with two sides of the top end of the connecting cylinder (3) through bolts, and the first transmission shaft (4) is fixedly connected with the lower end of the transmission end of the motor (2).
2. The water filter drive shaft with a piston rod type sealing structure according to claim 1, wherein: the second transmission shaft (5) is clamped at the lower end of the first transmission shaft (4), and the third transmission shaft (6) is fixedly connected at the lower end of the second transmission shaft (5).
3. A water filter drive shaft of a piston rod seal structure according to claim 2, wherein: the thrust bearing (7) is sleeved in the middle of the outer end of the second transmission shaft (5), and the number of the O-shaped sealing rings (8) is two.
4. A water filter drive shaft of a piston rod seal arrangement as claimed in claim 3, wherein: one O-shaped sealing ring (8) is sleeved at the top of the outer end of the first transmission shaft (4), and the other O-shaped sealing ring (8) is sleeved at the bottom of the outer end of the first transmission shaft (4).
5. A water filter drive shaft with a piston rod seal structure according to claim 4, wherein: the guide shaft bush (9) is sleeved in the middle of the outer end of the first transmission shaft (4), the radial ball bearings (10) are arranged at the top of the first transmission shaft (4), and the outer sides of the O-shaped sealing rings (8), the outer sides of the guide shaft bush (9) and the outer sides of the radial ball bearings (10) are attached to the inner wall of the connecting cylinder (3).
6. The water filter drive shaft with a piston rod type sealing structure according to claim 1, wherein: the sewage disposal assembly comprises a sewage disposal fork pipe (11) and a sewage disposal pipe (12), wherein the sewage disposal fork pipe (11) is communicated with the bottom of the inner cavity of the water filter body (1), and the sewage disposal pipe (12) is fixedly communicated with the lower end of the water filter body (1).
7. A water filter drive shaft with a piston rod seal structure according to claim 6, wherein: the blow-down pipe (12) is communicated with the blow-down fork pipe (11), and the top end of the blow-down fork pipe (11) is fixed at the lower end of the third transmission shaft (6) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322451638.4U CN220732526U (en) | 2023-09-11 | 2023-09-11 | Water filter transmission shaft with piston rod type sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322451638.4U CN220732526U (en) | 2023-09-11 | 2023-09-11 | Water filter transmission shaft with piston rod type sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220732526U true CN220732526U (en) | 2024-04-05 |
Family
ID=90500597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322451638.4U Active CN220732526U (en) | 2023-09-11 | 2023-09-11 | Water filter transmission shaft with piston rod type sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220732526U (en) |
-
2023
- 2023-09-11 CN CN202322451638.4U patent/CN220732526U/en active Active
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