CN220726560U - Pump head structure - Google Patents
Pump head structure Download PDFInfo
- Publication number
- CN220726560U CN220726560U CN202321825576.2U CN202321825576U CN220726560U CN 220726560 U CN220726560 U CN 220726560U CN 202321825576 U CN202321825576 U CN 202321825576U CN 220726560 U CN220726560 U CN 220726560U
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- CN
- China
- Prior art keywords
- liquid
- suction
- valve
- pump head
- liquid suction
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- 239000007788 liquid Substances 0.000 claims abstract description 220
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000005213 imbibition Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Abstract
The utility model relates to a pump head structure, which comprises a pump head body, wherein a hollow cavity is arranged in the pump head body, a liquid suction inlet and a liquid discharge outlet are arranged on the pump head body, a liquid suction and discharge valve assembly is arranged in the hollow cavity, the liquid suction and discharge valve assembly comprises a liquid suction valve port, a liquid discharge valve port, a liquid suction valve core and a liquid discharge valve core, the hollow cavity of the pump head body is provided with two ends which are communicated in a first direction, the two ends of the hollow cavity are respectively provided with a communication port and a plugging port, the communication ports are used for being communicated with a hydraulic conversion assembly, a plugging cover is detachably arranged at the plugging port, the liquid suction valve core and the liquid discharge valve core are sequentially arranged in the hollow cavity in the first direction, and the liquid suction valve core and the liquid discharge valve core can realize the same-direction movement in the first direction under the action of the hydraulic conversion assembly during the suction and discharge operation. Through adopting above-mentioned technical scheme, unpacking the blanking cover of pump head, can take out various case accessories in proper order, need not to dismantle the pump head, shorten maintenance time and work load.
Description
Technical Field
The utility model relates to the field of emulsion pumps, in particular to a pump head structure.
Background
In order to improve the unit yield level and the resource recovery rate, coal enterprises develop the fully mechanized mining face mining height from 4.3 meters to 4.5 meters, 5 meters, 5.5 meters, 6.3 meters, 7 meters and even 8 meters. In order to meet the mining height requirement of a working face, a large mining height hydraulic support is introduced, and higher requirements are provided for the pump head structure and the arrangement of a suction-discharge liquid valve of a matched fully-mechanized mining high-pressure large-flow emulsion pump station.
In the patent documents of the plunger pumps such as CN111734621A, CN111734599A, the pump head assembly comprises a pump head body, a liquid suction valve assembly and a liquid discharge valve assembly, wherein the liquid suction valve assembly and the liquid discharge valve assembly are positioned in the pump head body; the pump head body is connected with the liquid suction box at the inlet side of the liquid suction cavity so as to be connected with the liquid supply end of emulsion, the liquid discharge cavity plugging port is plugged through the liquid discharge cavity plugging cover, and the liquid suction valve assembly and the liquid discharge valve assembly are sequentially arranged in the hollow cavity along the first direction; the liquid suction valve assembly comprises a liquid suction valve seat and a liquid suction valve core, the liquid discharge valve assembly comprises a liquid discharge valve seat and a liquid discharge valve core, a first through hole and a second through hole which are coaxial are formed in the radial direction in the area between the liquid suction assembly and the liquid discharge assembly, the first through hole is used for being communicated with the hydraulic conversion assembly, and the hydraulic conversion assembly is used for converting mechanical power into hydraulic change of the pump head assembly; and a plugging assembly is arranged in the second through hole and is used for plugging the hollow cavity. The liquid sucking valve core, the liquid discharging valve core, the liquid sucking and discharging valve seat and the sealing parts belong to vulnerable parts which need to be maintained regularly. In the pump head structure, the first direction is the up-down direction, the liquid suction and discharge valve assembly is vertically arranged, the hydraulic conversion assembly is positioned between the liquid discharge valve assembly and the liquid suction valve assembly, the liquid suction valve assembly is disassembled upwards by the structural arrangement, the liquid suction valve assembly is disassembled downwards, the liquid discharge and liquid suction valve assembly are disassembled in different directions, and particularly when the liquid suction valve assembly positioned below is disassembled, the whole pump head is required to be disassembled first, so that the maintenance workload is large.
Disclosure of Invention
The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides a pump head structure, and various valve core accessories can be sequentially taken out by disassembling the blocking cover of the pump head, so that the pump head is not required to be disassembled, and the maintenance time and the workload are shortened.
The technical scheme of the utility model is as follows: the pump head structure comprises a pump head body, wherein a hollow cavity is arranged in the pump head body, a liquid suction inlet and a liquid discharge outlet are arranged on the pump head body, a liquid suction and discharge valve assembly is arranged in the hollow cavity and comprises a liquid suction valve port, a liquid discharge valve port, a liquid suction valve core and a liquid discharge valve core,
the hollow cavity of the pump head body is provided with two ends which are communicated along a first direction, the openings at the two ends are respectively a communication opening and a plugging opening, the communication opening is used for being communicated with the hydraulic conversion assembly, the plugging opening is detachably provided with a plugging cover, the liquid suction valve core and the liquid discharge valve core are sequentially arranged in the hollow cavity along the first direction, when in suction and discharge operation, the liquid suction valve core and the liquid discharge valve core can realize the same-direction movement along the first direction under the action of the hydraulic conversion assembly,
when the liquid suction valve core moves in the first direction to open the liquid suction valve port, the liquid discharge valve core moves in the first direction to close the liquid discharge valve port, and is in a liquid suction state at the moment.
By adopting the technical scheme, the plunger of the hydraulic conversion assembly acts, the movement directions of the liquid suction valve core and the liquid discharge valve core are consistent, the blocking cover of the pump head is detached, various valve core accessories can be sequentially taken out from the blocking opening, the pump head is not required to be detached, and the maintenance time and the workload are shortened;
the utility model relates to a liquid suction and discharge valve core, which is arranged in parallel with a plunger of a hydraulic conversion assembly.
Still further, the present utility model provides: the first direction is a horizontal direction.
Through adopting above-mentioned technical scheme, this design suction valve level arranges, is convenient for take out the case from the side.
Still further, the present utility model provides: the liquid sucking and discharging valve assembly further comprises a liquid sucking and discharging valve seat, the liquid sucking and discharging valve seat is detachably arranged in the hollow cavity, the liquid sucking valve port and the liquid discharging valve port are arranged on the liquid sucking and discharging valve seat, a liquid sucking cavity which is positioned between the liquid discharging valve port and the communicating port and is communicated with the liquid sucking inlet, and a liquid discharging cavity which is positioned between the liquid discharging valve port and the plugging port and is communicated with the liquid discharging outlet are arranged in the cavity in the pump head body, the liquid sucking cavity and the liquid discharging cavity are communicated through the liquid discharging valve port, the liquid sucking valve port is communicated with the liquid sucking inlet, and the liquid sucking valve core and the liquid discharging valve core are arranged in the liquid cavities respectively.
By adopting the technical scheme, the suction and discharge valve seat has simple structural design and is convenient to be matched with the suction valve core and the discharge valve core.
Still further, the present utility model provides: the liquid suction valve core is internally provided with a liquid suction channel which is communicated with the hollow cavity.
Through adopting above-mentioned technical scheme, imbibition passageway and cavity chamber switch on, the hydraulic conversion subassembly of being convenient for carries out the operation.
Still further, the present utility model provides: the liquid absorption valve is characterized in that a liquid blocking ring is arranged on the inner ring surface of the liquid absorption channel of the liquid absorption valve core, the liquid absorption valve core is provided with a limiting part, a limiting groove is arranged between the liquid absorption valve seat and the pump head body, and the limiting part slides in the limiting groove to limit the sliding position of the liquid absorption valve core.
Through adopting above-mentioned technical scheme, liquid can promote and keep off the liquid ring, is convenient for drive the imbibition case and removes, slides in the spacing inslot through spacing portion, realizes restricting the slip position of imbibition case, avoids sliding excessively.
Still further, the present utility model provides: the suction-discharge liquid valve assembly further comprises a valve sleeve and a reset piece, wherein the valve sleeve is provided with a valve cavity with an inner ring and a liquid discharge channel with an outer ring, the liquid discharge valve core is movably arranged in the valve cavity, the reset piece drives the liquid discharge valve core to block the liquid discharge valve port, and the liquid discharge channel is arranged in the hollow cavity in a penetrating mode.
By adopting the technical scheme, the valve cavity of the valve sleeve is convenient for the movement of the liquid discharge valve core, and the liquid discharge channel is convenient for liquid discharge.
Still further, the present utility model provides: the suction and discharge valve seat is provided with a pressing table top, and the valve sleeve is pressed against the pressing table top through the blocking cover.
By adopting the technical scheme, the valve sleeve is propped between the suction and discharge valve seat and the blanking cover, so that the valve sleeve is convenient to detach.
Drawings
FIG. 1 is a diagram showing a pump head imbibition state according to an embodiment of the utility model;
FIG. 2 is a diagram showing a liquid discharge state of a pump head according to an embodiment of the present utility model;
FIG. 3 is an assembly view of a pump head and a suction valve seat according to an embodiment of the present utility model;
FIG. 4 is a block diagram of a suction and discharge valve assembly according to an embodiment of the present utility model;
FIG. 5 is an exploded view of an embodiment of the present utility model;
FIG. 6 is a block diagram of a liquid suction valve core in accordance with an embodiment of the present utility model;
fig. 7 is a block diagram of a valve housing according to an embodiment of the present utility model.
In the figure: the pump head body 1, the hollow chamber 11, the liquid suction inlet 2, the liquid discharge outlet 3, the liquid suction valve assembly 4, the liquid suction valve port 41, the liquid discharge valve port 42, the liquid suction valve core 43, the liquid discharge valve core 44, the communication port 12, the blocking port 13, the blocking cover 5, the liquid suction valve seat 45, the liquid suction cavity 11A, the liquid discharge cavity 11B, the liquid suction channel 431, the liquid blocking ring 432, the limiting part 433, the limiting groove 6, the valve sleeve 46, the reset piece 47, the valve cavity 461, the liquid discharge channel 462, and the pressing table 451.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments 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.
As shown in fig. 1-7, the pump head structure of the utility model comprises a pump head body 1, wherein a hollow cavity 11 is arranged in the pump head body 1, a liquid suction inlet 2 and a liquid discharge outlet 3 are arranged on the pump head body 1, a liquid suction and discharge valve assembly 4 is arranged in the hollow cavity 11, the liquid suction and discharge valve assembly 4 comprises a liquid suction valve port 41, a liquid discharge valve port 42, a liquid suction valve core 43 and a liquid discharge valve core 44,
the hollow cavity 11 of the pump head body 1 is provided with two ends which are communicated along a first direction, two ends are provided with a communication port 12 and a plugging port 13 respectively, the communication port 12 is used for being communicated with a hydraulic conversion assembly, a plugging cover 5 is detachably arranged at the plugging port 13, a liquid suction valve core 43 and a liquid discharge valve core 44 are sequentially arranged in the hollow cavity 11 along the first direction, during suction and discharge operation, the liquid suction valve core 43 and the liquid discharge valve core 44 can realize the same-direction movement along the first direction under the action of the hydraulic conversion assembly, a plunger of the hydraulic conversion assembly, the liquid suction valve core 43 and the liquid discharge valve core 44 are coaxially or parallelly arranged,
when the liquid suction valve body 43 moves in the direction a in the first direction to open the liquid suction valve port 41, the liquid discharge valve body 44 moves in the direction a to close the liquid discharge valve port 42, and is in the liquid suction state at this time, when the liquid discharge valve body 44 moves in the direction B in the first direction to open the liquid discharge valve port 42, the liquid suction valve body 43 moves in the direction B to close the liquid suction valve port 41, and is in the liquid discharge state at this time.
Specifically, the first direction is a horizontal direction, wherein the direction a in the first direction is a rear direction, and the direction B in the first direction is a front direction, and of course, the first direction may also be a vertical direction.
Specifically, the suction-discharge liquid valve assembly 4 further includes a suction-discharge liquid valve seat 45, the suction-discharge liquid valve seat 45 is detachably installed in the hollow chamber 11, the suction-discharge liquid valve seat 45 is provided with the suction valve port 41 and the discharge valve port 42, the hollow chamber 11 of the pump head body is divided into a suction cavity 11A which is located between the discharge valve port 42 and the communication port 12 and is communicated with the suction inlet 2, a discharge cavity 11B which is located between the discharge valve port 42 and the blocking port 13 and is communicated with the discharge outlet 3, the suction cavity 11A and the discharge cavity 11B are communicated through the discharge valve port 42, the suction valve port 41 is communicated with the suction inlet 2, and the suction valve core 43 and the discharge valve core 44 are arranged in the respective liquid cavities.
Specifically, the interior of the liquid suction valve core 43 is also provided with a liquid suction channel 431, and the liquid suction channel 431 is arranged in the hollow chamber 11 in a penetrating manner.
Specifically, the inner ring surface of the liquid suction channel 431 of the liquid suction valve core 43 is provided with a liquid blocking ring 432, the liquid suction valve core 43 is provided with a limiting part 433, a limiting groove 6 is arranged between the liquid suction valve seat 45 and the pump head body 1, and the limiting part 433 slides in the limiting groove 6 to limit the sliding position of the liquid suction valve core 43.
Specifically, the suction-discharge valve assembly 4 further includes a valve housing 46 and a restoring member 47, the valve housing 46 has an inner valve cavity 461 and an outer drain channel 462, the drain valve core 44 is movably disposed in the valve cavity 461, the restoring member 47 drives the drain valve core 44 to block the drain valve port 42, and the drain channel 462 is disposed in the hollow chamber 11 in a penetrating manner.
Specifically, the suction and discharge valve seat 45 has a pressing table 451, and the valve sleeve 46 is pressed against the pressing table 451 through the plug 5.
According to the specific working principle of the hydraulic conversion assembly, when the plunger of the hydraulic conversion assembly moves backwards, the liquid suction valve core 43 and the liquid discharge valve core 44 move backwards, when the liquid suction valve core 43 moves backwards to open the liquid suction valve port 41, the liquid discharge valve core 44 closes the liquid discharge valve port 42 backwards, the hydraulic conversion assembly is in a liquid suction state, when the liquid discharge valve core 44 moves forwards to open the liquid discharge valve port 42, and the liquid suction valve core 43 closes the liquid suction valve port 41 forwards, the hydraulic conversion assembly is in a liquid discharge state.
When the pump head is maintained, the drain valve core 44, the suction valve seat 45 and the liquid suction valve core 43 can be sequentially taken out from the sealing port 13 when the sealing cover 5 of the pump head is disassembled, so that the pump head is not required to be disassembled, and the maintenance time and the workload are shortened;
the suction-discharge valve core is arranged in parallel or coaxially with the plunger of the hydraulic conversion assembly, so that the overflow performance is enhanced.
Claims (7)
1. The utility model provides a pump head structure, includes pump head body (1), the inside cavity (11) that has of pump head body (1), be equipped with on the pump head body (1) imbibition entry (2) and flowing back export (3) be provided with in cavity (11) and inhale liquid discharge valve subassembly (4), inhale liquid discharge valve subassembly (4) including imbibition valve port (41), flowing back valve port (42), imbibition case (43) and flowing back case (44), its characterized in that:
the hollow cavity (11) of the pump head body (1) is provided with two ends which are communicated along a first direction, two openings at the two ends are respectively a communication opening (12) and a plugging opening (13), the communication opening (12) is used for being communicated with a hydraulic conversion assembly, a plugging cover (5) is detachably arranged at the plugging opening (13), a liquid suction valve core (43) and a liquid discharge valve core (44) are sequentially arranged in the hollow cavity (11) along the first direction, when in suction and discharge operation, the liquid suction valve core (43) and the liquid discharge valve core (44) can realize the same-direction movement along the first direction under the action of the hydraulic conversion assembly,
when the liquid suction valve core (43) moves to the direction A in the first direction to open the liquid suction valve port (41), the liquid discharge valve core (44) moves to the direction A to close the liquid discharge valve port (42), and is in a liquid suction state at the moment, when the liquid discharge valve core (44) moves to the direction B in the first direction to open the liquid discharge valve port (42), the liquid suction valve core (43) moves to the direction B to close the liquid suction valve port (41), and is in a liquid discharge state at the moment.
2. The pump head structure of claim 1, wherein: the first direction is a horizontal direction.
3. Pump head structure according to claim 1 or 2, characterized in that: the suction-discharge liquid valve assembly (4) further comprises a suction-discharge liquid valve seat (45), the suction-discharge liquid valve seat (45) is detachably arranged in the hollow cavity (11), the suction-discharge liquid valve seat (45) is provided with a suction valve port (41) and a liquid discharge valve port (42), the hollow cavity (11) of the pump head body is divided into a liquid suction cavity (11A) which is positioned between the liquid discharge valve port (42) and the communication port (12) and is communicated with the liquid suction inlet (2), a liquid discharge cavity (11B) which is positioned between the liquid discharge valve port (42) and the plugging port (13) and is communicated with the liquid discharge outlet (3), the liquid suction cavity (11A) and the liquid discharge cavity (11B) are communicated through the liquid discharge valve port (42), the liquid suction valve port (41) is communicated with the liquid suction inlet (2), and the liquid suction valve core (43) and the liquid discharge valve core (44) are arranged in the liquid suction cavities respectively.
4. A pump head structure according to claim 3, wherein: the inside of the liquid suction valve core (43) is also provided with a liquid suction channel (431), and the liquid suction channel (431) is arranged in the hollow chamber (11) in a penetrating way.
5. The pump head structure of claim 4, wherein: the liquid suction valve comprises a liquid suction valve body (43), and is characterized in that a liquid blocking ring (432) is arranged on the inner ring surface of a liquid suction channel (431) of the liquid suction valve body (43), the liquid suction valve body (43) is provided with a limiting part (433), a limiting groove (6) is formed between a liquid suction valve seat (45) and a pump head body (1), and the limiting part (433) slides in the limiting groove (6) to limit the sliding position of the liquid suction valve body (43).
6. A pump head structure according to claim 3, wherein: the suction-discharge liquid valve assembly (4) further comprises a valve sleeve (46) and a resetting piece (47), the valve sleeve (46) is provided with a valve cavity (461) with an inner ring and a liquid discharge channel (462) with an outer ring, a liquid discharge valve core (44) is movably arranged in the valve cavity (461), the resetting piece (47) drives the liquid discharge valve core (44) to block the liquid discharge valve port (42), and the liquid discharge channel (462) is arranged in the hollow cavity (11) in a penetrating mode.
7. The pump head structure of claim 6, wherein: the suction and discharge valve seat (45) is provided with a pressing table top (451), and the valve sleeve (46) is pressed against the pressing table top (451) through the blocking cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321825576.2U CN220726560U (en) | 2023-07-12 | 2023-07-12 | Pump head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321825576.2U CN220726560U (en) | 2023-07-12 | 2023-07-12 | Pump head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726560U true CN220726560U (en) | 2024-04-05 |
Family
ID=90526021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321825576.2U Active CN220726560U (en) | 2023-07-12 | 2023-07-12 | Pump head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726560U (en) |
-
2023
- 2023-07-12 CN CN202321825576.2U patent/CN220726560U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |