CN218267404U - Split valve core structure for reciprocating pump and reciprocating pump using same - Google Patents
Split valve core structure for reciprocating pump and reciprocating pump using same Download PDFInfo
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- CN218267404U CN218267404U CN202222874754.2U CN202222874754U CN218267404U CN 218267404 U CN218267404 U CN 218267404U CN 202222874754 U CN202222874754 U CN 202222874754U CN 218267404 U CN218267404 U CN 218267404U
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- reciprocating pump
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- guide rod
- positioning bulge
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Abstract
The utility model provides a reciprocating pump is with components of a whole that can function independently case structure and use reciprocating pump of this case belongs to reciprocating pump technical field, concretely relates to reciprocating pump is with components of a whole that can function independently case structure and use reciprocating pump of this case. The utility model provides a convenient assembling, easy to maintain's components of a whole that can function independently case structure for reciprocating pump. The utility model discloses a guide arm, its characterized in that: the guide rod is provided with a positioning bulge, one side of the positioning bulge is provided with a valve pressure plate, the other side of the positioning bulge is provided with a valve conical plate, the valve pressure plate and the valve conical plate are fixedly connected with each other, and inner holes of the valve pressure plate and the valve conical plate are matched with the guide rod and the positioning bulge; the outer edges of the valve pressure plate and the valve cone plate are matched with each other to form a rubber groove, and valve rubber is arranged in the rubber groove.
Description
Technical Field
The utility model belongs to the technical field of reciprocating pump, concretely relates to reciprocating pump is with components of a whole that can function independently case structure and use reciprocating pump of this case.
Background
The cone-shaped one-way valve of the reciprocating pump (diaphragm pump), abbreviated as cone valve, is used for automatically opening and closing, and under the action of the reciprocating mechanism, the feed valve sucks low-pressure slurry and the discharge valve outputs high-pressure slurry, and is a core part of the reciprocating pump.
A conventional cone valve, as shown in fig. 3, includes: the valve comprises a valve box body 100, a valve seat 200, a valve spring 300, a valve cover 500 and the like, wherein a valve core is arranged in the valve box body 100 and generally consists of a valve guide frame 600, a valve cone 700, valve rubber 800 and a valve nut 900. The large-diameter cone valve needs to use the upper guide 400 to avoid the radial deviation of the valve core from influencing the sealing effect and the service life, the upper guide 400 is matched with a guide sleeve fixed on a valve cover or a valve box body through a guide rod at the upper part of the valve core, and the lower guide has two forms, namely a valve guide frame 600 at the lower part of the valve core is matched with a through-diameter inner hole of a valve seat 200, and a guide rod at the lower part of the valve core is matched with a guide sleeve (see a lower guide sleeve 12 in figure 2) on the valve seat. The valve cone 700 is a large-diameter disc and a lower straight rod, a casting or a forging is used, the process is complex, the utilization rate of raw materials is low, the processing amount is large, the production period is long, and the manufacturing cost is high. The valve cone 700 and the valve nut 900 are directly connected through threads, and special tools are needed for valve core assembly, so that the problem of assembly quality is easy to occur.
The valve core is a moving part in the cone valve, is repeatedly damaged by impact, erosion and the like as well as the valve seat, is a main vulnerable part of the reciprocating pump, and the price, the service life and the supply period of the valve core directly influence the use cost of the reciprocating pump.
Disclosure of Invention
The utility model discloses just to above-mentioned problem, provide a simple to operate, easy to maintain's components of a whole that can function independently case structure for reciprocating pump.
In order to realize the above object of the utility model, the utility model discloses a following technical scheme, the utility model discloses a guide arm, its characterized in that: the guide rod is provided with a positioning bulge, one side of the positioning bulge is provided with a valve pressure plate, the other side of the positioning bulge is provided with a valve conical plate, the valve pressure plate and the valve conical plate are fixedly connected with each other, and inner holes of the valve pressure plate and the valve conical plate are matched with the guide rod and the positioning bulge; the valve pressure disk and the outer edge of the valve cone disk are mutually matched to form a rubber groove, and valve rubber is arranged in the rubber groove.
As an optimized scheme of the utility model, the guide arm tip is provided with the connector, is provided with down the leading truck on the connector.
As another preferred scheme of the utility model, pass through bolted connection between valve pressure disk and the valve cone dish.
The reciprocating pump using the valve core comprises a valve seat and an upper guide sleeve in a valve box, and is characterized in that: the upper end of a guide rod of the valve core is matched with the upper guide sleeve, a lower guide frame is arranged on a connecting head at the lower end of the guide rod, and the lower guide frame is matched with an inner hole of the valve seat.
The reciprocating pump using the valve core comprises a valve seat and an upper guide sleeve in a valve box, and is characterized in that: the upper end of a guide rod of the valve core is matched with the upper guide sleeve, a lower guide sleeve is arranged in the valve seat, and the lower end of the guide rod is matched with the lower guide sleeve.
The utility model has the advantages that: the utility model discloses valve awl and guide arm are split type structure, and the location of valve awl is realized to protruding cooperation on valve awl dish and the guide arm, and it is integrative to recycle the bolt and connect valve pressure disk and valve awl dish, and the valve pressure disk plays the effect of the valve nut of current case, and it has saved the screw-thread fit of valve nut and case guide arm, uses the bolt to connect valve pressure disk and valve awl dish integrative, and its processing and convenient assembling also are convenient for the maintenance of case simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Fig. 3 is a schematic structural view of a prior cone valve.
In the attached figure, 1 is a lower guide frame, 2 is a connector, 3 is a valve conical disc, 4 is valve rubber, 5 is a valve pressure plate, 6 is a bolt, 7 is a guide rod, 8 is an upper guide sleeve, 9 is a positioning bulge, 10 is a valve seat, 11 is a rubber groove, and 12 is a lower guide sleeve.
Detailed Description
The utility model discloses a guide arm 7, its characterized in that: a positioning bulge 9 is arranged on the guide rod 7, a valve pressure plate 5 is arranged on one side of the positioning bulge 9, a valve conical plate 3 is arranged on the other side of the positioning bulge 9, the valve pressure plate 5 and the valve conical plate 3 are fixedly connected with each other, and inner holes of the valve pressure plate 5 and the valve conical plate 3 are matched with the guide rod 7 and the positioning bulge 9; the outer edges of the valve pressing plate 5 and the valve cone plate 3 are matched with each other to form a rubber groove 11, and valve rubber 4 is arranged in the rubber groove 11.
As an optimized scheme of the utility model, 7 tip of guide arm are provided with connector 2, are provided with down leading truck 1 on the connector 2.
As another preferred scheme of the utility model, connect through bolt 6 between valve pressure disk 5 and the valve cone dish 3.
A reciprocating pump using the valve core comprises a valve seat 10 and an upper guide sleeve 8 in a valve box, and is characterized in that: the upper end of a guide rod 7 of the valve core is matched with an upper guide sleeve 8, a lower guide frame 1 is arranged on a connector 2 at the lower end of the guide rod 7, and the lower guide frame 1 is matched with an inner hole of a valve seat 10.
A reciprocating pump using the valve core comprises a valve seat 10 and an upper guide sleeve 8 in a valve box, and is characterized in that: the upper end of a guide rod 7 of the valve core is matched with an upper guide sleeve 8, a lower guide sleeve 12 is arranged in the valve seat 10, and the lower end of the guide rod 7 is matched with the lower guide sleeve 12.
The utility model discloses a components of a whole that can function independently case is valve guide arm 7 and the 3 components of a whole that can function independently of valve cone dish, assembles and seals with valve rubber 4, valve pressure disk 5, contains but not limited to two kinds of case structures of figure 1 and figure 2, and the difference of the technical scheme in figure 1 and figure 2 is that down guide structure is different, needs the cooperation to use different disk seats 10.
Specifically, taking fig. 1 as an example, the bottom surface of a valve cone disc 3 is flat, the lower part of a middle hole is hollow, a guide rod 7 is inserted into an inner hole of the valve cone disc 3 from the upper part until a positioning protrusion 9 in the middle of the guide rod 7 is contacted with the valve cone disc 3, valve rubber 4 is sleeved on the valve cone disc 3, the valve cone disc 5 is pressed on the valve rubber 4 and the valve cone disc 3, a plurality of bolts 6 are symmetrically screwed on the circumference, the valve rubber 4 is pressed, the positioning protrusion 9 in the middle of the guide rod 7 is pressed and fixed by the valve cone disc 3 and the valve cone disc 5, and then the lower guide frame 1 is connected in a welding or assembling manner.
In order to ensure the sealing between the valve conical disc 3 and the guide rod 7, the metal sealing in a flange manual is referred, and the metal sealing is formed in a small conical surface, a small spherical surface or a small platform compression deformation mode, or a nonmetal sealing ring is added between the two parts for sealing, or the two sealing modes can exist together.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as satisfy the operation needs, all be in the protection scope of the utility model.
Claims (5)
1. The utility model provides a components of a whole that can function independently case structure for reciprocating pump, includes guide arm (7), its characterized in that: a positioning bulge (9) is arranged on the guide rod (7), a valve pressure plate (5) is arranged on one side of the positioning bulge (9), a valve conical disc (3) is arranged on the other side of the positioning bulge (9), the valve pressure plate (5) and the valve conical disc (3) are fixedly connected with each other, and inner holes of the valve pressure plate (5) and the valve conical disc (3) are matched with the guide rod (7) and the positioning bulge (9); the valve pressure disk (5) and the valve cone disk (3) are matched with each other at the outer edge to form a rubber groove (11), and valve rubber (4) is arranged in the rubber groove (11).
2. The split valve core structure for the reciprocating pump according to claim 1, wherein: the end part of the guide rod (7) is provided with a connector (2), and the connector (2) is provided with a lower guide frame (1).
3. The split valve cartridge structure for the reciprocating pump according to claim 1, wherein: the valve pressure plate (5) is connected with the valve cone plate (3) through a bolt (6).
4. A reciprocating pump using the cartridge of claim 1, comprising a valve seat (10) and an upper guide sleeve (8) in a valve housing, characterized in that: the upper end of a guide rod (7) of the valve core is matched with an upper guide sleeve (8), a lower guide frame (1) is arranged on a connector (2) at the lower end of the guide rod (7), and the lower guide frame (1) is matched with an inner hole of a valve seat (10).
5. A reciprocating pump using the cartridge of claim 1, comprising a valve seat (10) and an upper guide sleeve (8) in a valve housing, characterized in that: the upper end of a guide rod (7) of the valve core is matched with an upper guide sleeve (8), a lower guide sleeve (12) is arranged in the valve seat (10), and the lower end of the guide rod (7) is matched with the lower guide sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874754.2U CN218267404U (en) | 2022-10-31 | 2022-10-31 | Split valve core structure for reciprocating pump and reciprocating pump using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874754.2U CN218267404U (en) | 2022-10-31 | 2022-10-31 | Split valve core structure for reciprocating pump and reciprocating pump using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267404U true CN218267404U (en) | 2023-01-10 |
Family
ID=84754022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222874754.2U Active CN218267404U (en) | 2022-10-31 | 2022-10-31 | Split valve core structure for reciprocating pump and reciprocating pump using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267404U (en) |
-
2022
- 2022-10-31 CN CN202222874754.2U patent/CN218267404U/en active Active
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