CN219281946U - Plunger sealing and lubricating device of ceramic plunger pump - Google Patents
Plunger sealing and lubricating device of ceramic plunger pump Download PDFInfo
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- CN219281946U CN219281946U CN202320175447.7U CN202320175447U CN219281946U CN 219281946 U CN219281946 U CN 219281946U CN 202320175447 U CN202320175447 U CN 202320175447U CN 219281946 U CN219281946 U CN 219281946U
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Abstract
The utility model relates to a plunger sealing and lubricating device of a ceramic plunger pump, which comprises: the gland is in a stepped cylindrical shape, a small-diameter section and a large-diameter section of the gland are inserted into the pump body, and the small-diameter section presses the sealing piece; the screw rod passes through a round hole in the gland fixing flange and is fixed on the pump body, the pressing sheet and the spring are sleeved on the screw rod, the nut is in threaded connection with the screw rod, the spring is arranged at the lower part, the pressing sheet is arranged at the upper part of the spring, and the nut is arranged at the upper part of the pressing sheet; the nut compresses the spring on the fixed flange through the pressing piece so as to compress the sealing piece, and the force of the spring compressing gland is adjusted through rotating the nut so as to realize the sealing of the plunger; a water storage area is formed between the inner side of the large-diameter section of the gland and the plunger; the utility model has simple structure, convenient adjustment, good lubrication effect, less water consumption and convenient cleaning.
Description
Technical Field
The utility model relates to the field of ceramic plunger pumps, in particular to a plunger sealing and lubricating device of a ceramic plunger pump.
Background
The ceramic plunger pump is a tool for pumping materials such as mud, sewage and the like by driving a ceramic plunger to reciprocate by a hydraulic cylinder, and the ceramic plunger reciprocates in a pump body so as to change the volume of a working chamber to realize the functions of sucking and pumping materials; the working time of the ceramic plunger pump is relatively long, and the sealing and lubricating of the plunger are key technical difficulties.
The existing ceramic plunger pump generally adopts a gland to compress a sealing element, a plurality of adjustable screws are arranged, and the gland can be adjusted to move up and down by rotating the screws so as to compress the sealing element; the adjustment mode in the prior art needs to be manually completed by an operator, and the adjustment force is inconvenient to control; in addition, the lubricating water channel in the prior art is closed, so that the channel is not only easy to be blocked by internal accumulated materials, but also inconvenient to clean; the lubrication water needs to be supplied uninterruptedly, the water consumption is relatively large, and if the supply of the lubrication water is stopped, the friction damage of the sealing element is easy to occur.
Disclosure of Invention
Plunger sealing and lubricating arrangement of ceramic plunger pump includes: the gland is in a stepped cylindrical shape, the upper part of the gland is a fixed flange, a plurality of round holes are uniformly distributed on the fixed flange, the lower part of the fixed flange is a large-diameter section, and the lower part of the large-diameter section is a small-diameter section; the upper part of the pump body is provided with a stepped inner hole corresponding to the large-diameter section and the small-diameter section of the gland, the sealing element is arranged on the step at the lower layer, the large-diameter section and the small-diameter section of the gland are inserted into the pump body, the inner diameter of the small-diameter section of the gland is slightly larger than the outer diameter of the plunger, and the small-diameter section presses the sealing element;
the screw rod passes through the round holes in the gland fixing flange and is fixed on the pump body, the pressing sheet and the spring are sleeved on the screw rod, the nut is in threaded connection with the screw rod, the spring is arranged at the lower part, the pressing sheet is arranged at the upper part of the spring, and the nut is arranged at the upper part of the pressing sheet; the nut compresses the spring on the fixed flange through the pressing piece so as to compress the sealing element; a water storage area is formed between the inner side of the large-diameter section of the gland and the plunger.
Preferably, the outer diameter of the large-diameter section is provided with a groove, and an O-shaped ring is arranged in the groove to prevent material leakage between the gap of the large-diameter section of the gland and the pump body.
Preferably, two lubrication water holes are formed in the outer diameter of the large-diameter section of the gland, and the lubrication water holes are oppositely formed; two lubrication water pipes are arranged, the lubrication water pipes are respectively connected to the two lubrication water holes, one is a lubrication water inlet, and the other is a lubrication water outlet.
According to the plunger sealing and lubricating device of the ceramic plunger pump, the gland is pressed by the spring, so that proper pressing force on the sealing element is kept for a long time without timing manual adjustment; a lubrication water storage area is formed on the inner side of the gland, so that the lubrication area is increased, the lubrication effect is improved, the lubrication water is not required to flow all the time, and the water consumption is reduced; and the lubrication effect is kept for a period of time even if the lubrication water is not supplied; the lubricating water channel is open, so that the cleaning is convenient, and cooling water can not block the channel; the utility model has simple structure, convenient adjustment, good lubrication effect, less water consumption and convenient cleaning.
Drawings
FIG. 1 is a schematic cross-sectional view of a plunger seal and lubrication device for a ceramic plunger pump.
Fig. 2 is a partial cross-sectional view at a in fig. 1.
Fig. 3 is a schematic top view of the gland.
Fig. 4 is a cross-sectional view taken along line A-A in fig. 3.
In the figure: in the figure: 1. a pump body; 2. a plunger; 3. a gland; 31. a fixed flange; 311. a round hole; 32. a large diameter section; 321. lubricating the water holes; 322. a groove; 33. a small diameter section; 4. a seal; 5. a screw; 6. a nut; 7. tabletting; 8. a spring; 9. a lubrication water pipe; 10. an O-ring.
Description of the embodiments
The following detailed description is directed to the accompanying drawings and detailed description of the utility model. The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are for illustration only and not for limitation of the utility model, as other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model. Other figures and other embodiments can be made by those skilled in the art without undue burden from an understanding of the principles of the present utility model, which are within the scope of the present utility model.
The following detailed description is directed to the accompanying drawings and detailed description of the utility model. The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are for illustration only and not for limitation of the utility model, as other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model. Other figures and other embodiments can be made by those skilled in the art without undue burden from an understanding of the principles of the present utility model, which are within the scope of the present utility model.
As shown in fig. 3 and 4, the gland 3 is in a stepped cylindrical shape, the upper portion is a fixed flange 31, a plurality of round holes 311 are uniformly distributed on the fixed flange 31, the lower portion of the fixed flange 31 is a large-diameter section 32, two lubrication water holes 321 and grooves 322 are formed in the outer diameter of the large-diameter section 32, and the lower portion of the large-diameter section 32 is a small-diameter section 33.
As shown in fig. 1 and 2, the plunger 2 reciprocates up and down in the pump body 1, a stepped inner hole corresponding to the large diameter section 32 and the small diameter section 33 of the gland 3 is arranged at the upper part of the pump body 1, and the sealing element 4 is arranged on the step at the lower layer of the pump body 1; the small diameter section 33 and the large diameter section 32 of the gland 3 are inserted into the pump body 1, the inner diameter of the small diameter section 33 is slightly larger than the outer diameter of the plunger 2, the small diameter section 33 presses the sealing piece 4, and the groove 322 of the large diameter section 32 is provided with the O-shaped ring 10 to prevent the leakage of materials between the gap of the gland 3 and the pump body 1;
the screw rod 5, the nut 6, the pressing sheet 7 and the springs 8 are arranged in a group, a plurality of groups are arranged, the number of the groups corresponds to the number of round holes 311 uniformly distributed on the fixed flange, the springs 8 are compression springs, the screw rod 5 passes through the round holes 311 on the fixed flange 31 and is fixed on the pump body 1, the pressing sheet 7 and the springs 8 are sleeved on the screw rod 5, the nut 6 is in threaded connection with the screw rod 5, the springs 8 are arranged at the lower part, the pressing sheet 7 is arranged at the upper part of the springs 8, and the nuts 6 are arranged at the upper part of the pressing sheet 7; the nut 6 compresses the spring 8 on the fixed flange 31 through the pressing piece 7 so as to compress the sealing piece 4, and the force of compressing the pressing cover 3 by the spring 8 is adjusted by rotating the nut 6 so as to realize the sealing of the plunger 2;
the two lubrication water pipes 9 are respectively connected to two lubrication water holes 321 of the large-diameter section 32, one is a lubrication water inlet, and the other is a lubrication water outlet; a water storage area is formed between the inner side of the large diameter section 32 of the gland 3 and the plunger 2.
According to the plunger sealing and lubricating device of the ceramic plunger pump, the gland is pressed by the spring, so that proper pressing force on the sealing element is kept for a long time without timing manual adjustment; a lubrication water storage area is formed on the inner side of the gland, so that the lubrication area is increased, the lubrication effect is improved, the lubrication water is not required to flow all the time, and the water consumption is reduced; and the lubrication effect is kept for a period of time even if the lubrication water is not supplied; the lubricating water channel is open, so that the cleaning is convenient, and cooling water can not block the channel; the utility model has the advantages of convenient adjustment, good lubrication effect, less water consumption and convenient cleaning.
Claims (3)
1. Plunger sealing and lubricating arrangement of ceramic plunger pump, its characterized in that includes: the gland is in a stepped cylindrical shape, the upper part of the gland is a fixed flange, a plurality of round holes are uniformly distributed on the fixed flange, the lower part of the fixed flange is a large-diameter section, and the lower part of the large-diameter section is a small-diameter section; the upper part of the pump body is provided with a stepped inner hole corresponding to the large-diameter section and the small-diameter section of the gland, the sealing element is arranged on the step at the lower layer, the large-diameter section and the small-diameter section of the gland are inserted into the pump body, the inner diameter of the small-diameter section of the gland is slightly larger than the outer diameter of the plunger, and the small-diameter section presses the sealing element;
the screw rod passes through the round holes in the gland fixing flange and is fixed on the pump body, the pressing sheet and the spring are sleeved on the screw rod, the nut is in threaded connection with the screw rod, the spring is arranged at the lower part, the pressing sheet is arranged at the upper part of the spring, and the nut is arranged at the upper part of the pressing sheet; the nut compresses the spring on the fixed flange through the pressing piece so as to compress the sealing element; a water storage area is formed between the inner side of the large-diameter section of the gland and the plunger.
2. The plunger sealing and lubricating device of a ceramic plunger pump according to claim 1, wherein the outer diameter of the large diameter section is provided with a groove, and an O-ring is arranged in the groove.
3. The plunger sealing and lubricating device of the ceramic plunger pump according to claim 1, wherein two lubricating water holes are formed in the outer diameter of the large-diameter section of the gland, and the lubricating water holes are oppositely arranged; two lubrication water pipes are arranged and are respectively connected to the two lubrication water holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320175447.7U CN219281946U (en) | 2023-02-10 | 2023-02-10 | Plunger sealing and lubricating device of ceramic plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320175447.7U CN219281946U (en) | 2023-02-10 | 2023-02-10 | Plunger sealing and lubricating device of ceramic plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219281946U true CN219281946U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320175447.7U Active CN219281946U (en) | 2023-02-10 | 2023-02-10 | Plunger sealing and lubricating device of ceramic plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219281946U (en) |
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2023
- 2023-02-10 CN CN202320175447.7U patent/CN219281946U/en active Active
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