CN210739458U - Purge valve and pumping system - Google Patents

Abstract

The utility model provides a purge valve and pumping system, wherein, the purge valve includes: the valve body is provided with a feeding hole and a discharging hole; the valve core is movably arranged in the valve body, a feeding pipe and a cleaning pipe are arranged in the valve core, and the feeding pipe and the cleaning pipe extend from the feeding hole to the discharging hole; the driving component is arranged on the valve body and connected with the valve core, and is used for driving the valve core to move so that the feeding hole and the discharging hole can be selectively communicated through a feeding pipe or a cleaning pipe; wherein, the cleaning pipe is used for placing the cleaning component. The utility model provides a cleaning valve, because cleaning valve's scavenge pipe is independent of outside pumping system's the whole pipeline for the inside no filling material of scavenging pipe, therefore do not need pumping system to shut down when placing the cleaning part, more need not clear up the filling material of scavenging pipe elbow part, very big has made things convenient for cleaning.

Description

Purge valve and pumping system

Technical Field

The utility model relates to a pumping machinery technical field particularly, relates to a purge valve and pumping system.

Background

The transfer pump is used for filling operation in the pit, and its host computer is arranged on the pit, and the pipeline is received the construction tunnel from host computer department, and a host computer can correspond many tunnels, but can only be under construction to a tunnel at every turn. When the construction roadway needs to be switched, the pipeline of the previous roadway needs to be cleaned up to be switched to the subsequent roadway, otherwise, the filling material is deposited and solidified in the pipeline of the previous roadway, and the pipeline is scrapped.

Specifically, as shown in fig. 1 and fig. 2, in the conventional pumping system, a tunnel a502 'and a tunnel B504' are correspondingly provided for one transfer pump 10 ', and a cleaning pipe 20' and a diverter valve 30 'are respectively provided at an outlet end of the transfer pump 10', the cleaning pipe 20 'is used for cleaning a pipeline, and the diverter valve 30' is used for switching tunnels.

The structure of a cleaning pipe 20' of the existing filling pipeline is shown in fig. 2, and the specific method is as follows: firstly, the plug 202 ' of the first pipe section 204 ' in the cleaning pipe 20 ' is opened, the filling material in a section of the pipeline is fished out (the filling material must exceed the elbow part), and then the cleaning component 40 ' (such as a sponge ball, a sponge column, a cleaning piston and the like) is plugged into the pipeline through the first pipe section 204 '; after the cleaning member 40 ' is in place (at least partially in the elbow portion), the first pipe section 204 ' is sealed with the plug 202 ', and then the pump is operated, so that the high-pressure water passes through the delivery pump 10 ' and the second pipe section 206 ' of the cleaning pipe 20 ', and the cleaning member 40 ' is pumped out along the pipeline, thereby achieving the purpose of cleaning the pipeline. Because the pipeline caliber of the transfer pump 10 ' is large, the manual work is time-consuming and labor-consuming when the cleaning component 40 ' is plugged into the cleaning pipe 20 ', and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

Therefore, the utility model discloses the first aspect provides a purge valve.

A second aspect of the present invention provides a pumping system.

The utility model discloses a first aspect provides a purge valve, include: the valve body is provided with a feeding hole and a discharging hole; the valve core is movably arranged in the valve body, a feeding pipe and a cleaning pipe are arranged in the valve core, and the feeding pipe and the cleaning pipe extend from the feeding hole to the discharging hole; the driving component is arranged on the valve body and connected with the valve core, and is used for driving the valve core to move so that the feeding hole and the discharging hole can be selectively communicated through a feeding pipe or a cleaning pipe; wherein, the cleaning pipe is used for placing the cleaning component.

The utility model provides a purge valve is provided with feed inlet, discharge gate on the valve body. Wherein, the feed inlet and the discharge outlet are arranged at two ends of the valve body; a movable valve core is arranged in the valve body, a feeding pipe and a cleaning pipe are arranged in the valve core, the feeding pipe and the cleaning pipe extend from the feeding hole to the discharging hole, and the cleaning pipe is used for placing a cleaning component; the valve body is provided with a driving part, the driving part can drive the valve core to move in the valve body, and the feeding hole and the discharging hole are selectively communicated through one of the feeding pipe or the cleaning pipe. When the pumping system is in a pumping state, the feeding hole is communicated with the discharging hole through the feeding pipe, and materials can be conveyed at the moment; when the pumping system is in a cleaning state, the feeding hole is communicated with the discharging hole through the cleaning pipe, and the cleaning part in the cleaning pipe can clean the downstream pipeline.

It is worth noting that. In whole cleaning process, the staff only need through drive assembly drive valve core motion can, avoided dismantling the scavenge pipe among the correlation technique and clear up the process of the intraductal stopping of scavenge, the staff operation of being convenient for can effectively reduce staff's intensity of labour, promotes the cleaning efficiency. Specifically, the cleaning components may include, but are not limited to, the following cleaning devices: sponge balls, sponge columns, cleaning pistons and the like.

The utility model provides a cleaning valve, because cleaning valve's scavenge pipe is independent of outside pumping system's the whole pipeline for the inside no filling material of scavenging pipe, therefore do not need pumping system to shut down when placing the cleaning part, more need not clear up the filling material of scavenging pipe elbow part, very big has made things convenient for cleaning.

According to the utility model discloses above-mentioned technical scheme's purge valve can also have following additional technical characterstic:

in the above technical solution, preferably, the method further includes: the cleaning port is arranged on the valve body; the cleaning port is arranged on the valve body, and the cleaning port are positioned on two sides of the feeding hole; under the first station of the valve core, the feed inlet is communicated with the discharge outlet through a feed pipe, and the cleaning pipe is communicated with the cleaning port; under the second station of the valve core, the feed inlet is communicated with the discharge outlet through a cleaning pipe, and the feed pipe is communicated with the cleaning outlet; the driving part is used for driving the valve core to switch between the first station and the second station.

In this technical scheme, still be provided with washing mouth and clearance mouth on the valve body, washing mouth and clearance mouth are located the both sides of feed inlet. When the pumping system is in a pumping state, the valve core is in a first station, the feeding hole is communicated with the discharging hole through the feeding pipe, the cleaning pipe is communicated with the cleaning hole, and a user can place the cleaning part in the cleaning pipe through the cleaning hole; when the pumping system needs to be cleaned, the valve core is driven to the second station through the driving part, the feeding hole is communicated with the discharging hole through the cleaning pipe, the feeding pipe is communicated with the cleaning hole, and the downstream pipeline can be cleaned through the cleaning part at the moment.

In addition, when the valve core is in the second station, the feeding pipe is communicated with the cleaning port. Therefore, when the cleaning component cleans the subsequent pipeline, the feeding pipe can be cleaned through the cleaning port, and the overall cleaning degree of the cleaning valve is ensured.

In any one of the above technical solutions, preferably, the feeding pipe is a straight pipe, the cleaning pipe is a taper pipe, and the flow area of the cleaning pipe is reduced along the direction from the feeding port to the discharging port.

In the technical scheme, the feeding pipe is set to be a straight pipe, so that the feeding efficiency of the pumping system can be ensured, and the overall structure of the cleaning valve can be simplified. The cleaning pipe is a taper pipe, the size of one end, facing the feeding hole, of the inclined pipe is larger than that of one end, facing the feeding hole, of the inclined pipe, and the flow rate of the filler can be effectively improved under the condition that the flow rates are the same, so that the filler can flow to a subsequent pipeline at a higher speed, and the cleaning efficiency of the subsequent pipeline is improved. In addition, through the setting of taper pipe for the user can put into the cleaning component from big port one side, is convenient for the user to operate.

In any of the above technical solutions, preferably, the diameter of the port of the cleaning tube facing the feed inlet is D1, and the diameter of the port of the cleaning tube facing the discharge outlet is D2, and satisfies the condition that D1-D2 are not less than 10mm and not more than 100 mm.

In the technical scheme, the diameter of a port of a large port of the cleaning pipe is D1, the diameter of a port of a small port of the cleaning pipe is D2, and D1-D2 are further limited to be more than or equal to 10mm and less than or equal to 100 mm. That is to say, through the concrete structure that sets up the scavenge pipe, when guaranteeing the cleaning efficiency to follow-up pipeline for scavenge pipe and feed inlet and storage discharge gate phase-match guarantee to rinse the overall structure coordination of valve module, avoid the too high requirement to all the other structures, reduce the holistic design of purge valve and make the degree of difficulty.

In any one of the above technical solutions, preferably, the driving part includes: the mounting plate is connected with the valve body; the oil cylinder is arranged on the mounting plate, a mounting hole is formed in one end, facing the valve core, of the oil cylinder, and a mounting lug is arranged on one side, corresponding to the oil cylinder, of the valve core; the connecting shaft penetrates through the mounting hole and the mounting lug; the stroke of the oil cylinder is equal to the distance between the feeding hole and the cleaning hole and equal to the distance between the feeding hole and the cleaning hole.

In the technical scheme, the driving component comprises a mounting plate, an oil cylinder and a connecting shaft. The mounting plate is connected with the connecting plate arranged on the valve body, so that on one hand, stable mounting of the oil cylinder is ensured, on the other hand, the assembly difficulty of the oil cylinder is reduced, and structural interference is avoided; the one end that the hydro-cylinder faced the case is provided with the mounting hole, and the case corresponds one side position of hydro-cylinder and is provided with the installation ear, and the connecting axle passes the setting of mounting hole and installation ear to guarantee being connected of hydro-cylinder and case. When the oil cylinder is in a contraction state, the valve core is in a first station, the cleaning pipe is communicated with the cleaning port, and the feeding pipe is respectively communicated with the feeding port and the discharging port; when the oil cylinder is in an extending state, the valve core is in a second station, the cleaning pipe is respectively communicated with the feeding hole and the discharging hole, and the feeding pipe is communicated with the cleaning hole.

Particularly, the telescopic stroke of the oil cylinder is equal to the distance between the feeding hole and the cleaning hole and equal to the distance between the feeding hole and the cleaning hole, so that the oil cylinder drives the valve plug to move in place.

In any one of the above technical solutions, preferably, the valve body includes: the feeding hole, the cleaning hole and the cleaning hole of the valve body are positioned on the front side plate; the discharge port of the valve body is positioned on the rear side plate, and the feed port and the discharge port are oppositely arranged; the two ends of the pull rod are respectively connected with the front side plate and the rear side plate.

In this technical scheme, the valve body includes preceding curb plate, posterior lateral plate and pull rod. One side of the front side plate is used as an inlet end of the cleaning valve, and a feeding port, a cleaning port and a cleaning port of the valve body are arranged on the front side plate; one side of the rear side plate is used as an outlet end of the cleaning valve, and a discharge hole of the valve body is formed in the rear side plate; in addition, the feed inlet and the discharge outlet are arranged oppositely; the both ends of pull rod are connected with preceding curb plate and posterior lateral plate respectively, guarantee the stability of purge valve overall structure.

In any of the above technical solutions, preferably, the method further includes: the first fastening nut is sleeved on the pull rod and positioned between the front side plate and the valve core and/or positioned between the rear side plate and the valve core; the second fastening nut is sleeved on the pull rod and is positioned on one side of the front side plate, which is far away from the valve core, and/or is positioned on one side of the rear side plate, which is far away from the valve core; the first fastening nut is used for adjusting the distance between the front side plate and the rear side plate, and the second fastening nut is used for locking the front side plate and the rear side plate.

In the technical scheme, a first fastening nut is arranged on a pull rod and is positioned between a front side plate and a valve core and/or between a rear side plate and the valve core, and the tensioning degree of the front side plate and the rear side plate can be adjusted through the position of the first fastening nut on the pull rod; be provided with second fastening nut on the pull rod, and second fastening nut is located one side that the preceding curb plate deviates from the case and/or one side that the posterior lateral plate deviates from the case, can lock preceding curb plate and posterior lateral plate through second fastening nut in the position of pull rod. Through the cooperation use of first fastening nut and second fastening nut, can guarantee the holistic compact degree of purge valve to guarantee the life of purge valve.

In any of the above technical solutions, preferably, the method further includes: the limiting block is arranged on one side of the front side plate and one side of the rear side plate, which face the valve core; the limiting blocks are arranged along the moving direction of the valve core and form limiting channels, and the valve core can move along the limiting channels.

In the technical scheme, limiting blocks are arranged on the inner sides of the front side plate and the rear side plate, and the limiting blocks are arranged along the moving direction of the valve core; the plurality of limiting blocks can form limiting channels on the front side plate and the rear side plate, so that the valve core is integrally positioned in the limiting channels, the valve core is ensured to move along the limiting channels under the driving of the driving part, and the switching between the first station and the second station is realized; in addition, the limiting channel can lift the valve core from the bottom, and the stable position of the valve core in the valve body is ensured.

In any of the above technical solutions, preferably, the method further includes: the sealing rings are arranged in counter bores at two ends of the feeding pipe and the cleaning pipe; the pressing ring is arranged in counter bores at the two ends of the feeding pipe and the cleaning pipe, and the pressing ring protrudes out of the outer surface of the valve core; the feeding pipe is communicated with the feeding hole; the discharge pipe is communicated with the discharge hole; the first opening is arranged on the rear side plate and is opposite to the cleaning opening; the second opening is arranged on the rear side plate and is opposite to the cleaning opening.

In the technical scheme, counter bores are formed in the end portions of the feeding pipe and the cleaning pipe, sealing rings and pressure rings are arranged in the counter bores, the sealing rings are used as sealing pieces between the pressure rings and the counter bores, the flatness of a contact surface of a valve core can be reduced, and the processing difficulty is reduced; the plane sealing of the end part of the valve core is ensured by the pressure ring, and the pressure ring is used as a replaceable loss article, so that the service life of the valve core is ensured. Specifically, the sealing ring may be an O-ring. The rear side plate is provided with a first opening and a second opening, the first opening and the second opening are located on two sides of the discharge port, the first opening is arranged corresponding to the cleaning port, and the second opening is arranged corresponding to the cleaning port. When the valve core is positioned at the first station, the cleaning pipe is communicated with the cleaning port and the second opening, the feeding pipe is respectively communicated with the feeding port and the discharging port, and the cleaning port and the first opening are exposed out of the valve body; when the valve core is positioned at the second station, the cleaning pipe is respectively communicated with the feeding hole and the discharging hole, the feeding pipe is communicated with the cleaning hole and the first opening, and the cleaning hole and the second opening are exposed out of the valve body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a related art pumping system;

fig. 2 is a schematic view of a structure of a cleaning tube in the related art.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

10 ' transfer pump, 20 ' cleaning tube, 202 ' plug, 204 ' first tube section, 206 ' second tube section, 30 ' diverter valve, 40 ' cleaning component, 502 ' lane a, 504 ' lane B.

Fig. 3 is an exploded view of a purge valve (with the purge component hidden) according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the purge valve of the embodiment shown in FIG. 3 (with the purge feature hidden);

FIG. 5 is a cross-sectional view of the valve cartridge of the purge valve of the embodiment of FIG. 3;

FIG. 6 is a cross-sectional view of the embodiment of FIG. 3 with the purge valve in the first position (with purge feature added);

FIG. 7 is a cross-sectional view of the embodiment of FIG. 3 with the purge valve in a second station (with purge feature added);

fig. 8 is a schematic structural diagram of a pumping system according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 3 to 8 is:

100 cleaning valves, 102 feeding ports, 104 discharging ports, 106 cleaning ports, 108 cleaning ports, 110 first openings, 112 second openings, 114 front side plates, 116 rear side plates, 118 pull rods, 120 first fastening nuts, 122 second fastening nuts, 124 limiting blocks, 126 sealing rings, 128 pressing rings, 130 feeding pipes, 132 discharging pipes, 20 valve cores, 202 feeding pipes, 204 cleaning pipes, 206 mounting lugs, 208 racks, 30 driving parts, 302 mounting plates, 304 connecting plates, 306 oil cylinders, 308 connecting shafts, 310 bolts, 40 cleaning parts, 200 conveying pumps, 300 diverter valves, 502 lanes A and 504 lanes B.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A purge valve 100 and pumping system provided in accordance with some embodiments of the present invention is described below with reference to fig. 3-8.

The first embodiment is as follows:

as shown in fig. 3 to 7, a first embodiment of the present invention provides a purge valve 100, including: a valve body (in the figure, the front plate 114, the rear plate 116, and the pull rod 118 together constitute a valve body), a valve body 20, a drive member 30, and a cleaning member 40.

As shown in fig. 3, one end of the valve body is provided with a feed inlet 102, and the other end of the valve body is provided with a discharge outlet 104; as shown in fig. 5, a cleaning pipe 204 and a feeding pipe 202 are arranged in the valve core 20, the feeding pipe 202 and the cleaning pipe 204 extend from the feeding port 102 to the discharging port 104, and the cleaning pipe 204 is used for placing the cleaning component 40; the driving part 30 can drive the valve core 20 to move in the valve body, so that the feed port 102 and the discharge port 104 can be selectively communicated through the feed pipe 202 or the cleaning pipe 204.

Specifically, as shown in fig. 4 and 6, when the pumping system is in a pumping state, the feed inlet 102 and the discharge outlet 104 are communicated through the feeding pipe 202, and at this time, materials can be conveyed; as shown in fig. 7, when the pumping system is in a cleaning state, the inlet 102 and the outlet 104 are communicated through the cleaning pipe 204, and the cleaning component 40 in the cleaning pipe 204 can clean the downstream pipeline.

The utility model provides a cleaning valve 100, because cleaning valve 100's scavenge pipe 204 is independent of outside pumping system's the whole pipeline for inside no filler of scavenge pipe 204, in whole cleaning process, the staff only need through drive part 30 drive valve core 20 motion can, avoided dismantling the process of the filler in scavenge pipe 204 and clearance scavenge pipe 204 among the correlation technique. And when the cleaning component 40 is placed, the pumping system does not need to be stopped, and the filling material at the elbow part of the cleaning pipe 204 does not need to be cleaned, so that the cleaning work is greatly facilitated.

Specifically, the cleaning component 40 may include, but is not limited to, the following cleaning devices: sponge balls, sponge columns, cleaning pistons and the like.

Further, as shown in fig. 3, a second opening 112 is further disposed on the valve body, and the second opening 112 is disposed corresponding to the cleaning opening 106. When the valve core 20 is in the first position, the cleaning pipe 204 is communicated with the cleaning opening 106 and the second opening 112.

Example two:

as shown in fig. 3 to 7, a second embodiment of the present invention provides a purge valve 100, including: valve body, valve core 20, drive part 30 and cleaning part 40.

As shown in fig. 3, one end of the valve body is provided with a cleaning port 106, a feeding port 102 and a cleaning port 106, and the other end of the valve body is provided with a discharging port 104; a cleaning pipe 204 and a feeding pipe 202 are arranged in the valve core 20, and the driving part 30 can drive the valve core 20 to switch between the first working position and the second working position.

Specifically, as shown in fig. 4 and 6, when the pumping system is in a pumping state, the valve core 20 is in a first station, at this time, the feed port 102 is communicated with the discharge port 104 through the feed pipe 202, the cleaning pipe 204 is communicated with a cleaning port, and a user can place a cleaning component in the cleaning pipe 204 through the cleaning port; as shown in fig. 7, when the pumping system needs to be cleaned, the valve core 20 is driven to the second station by the driving part 30, at this time, the feeding port 102 is communicated with the discharging port 104 through the cleaning pipe 204, the feeding pipe 202 is communicated with the cleaning port 108, and at this time, the downstream pipeline can be cleaned through the cleaning part 40.

In addition, when the spool 20 is in the second position, the feed tube 202 is in communication with the purge port 108. Therefore, the cleaning component 40 can clean the subsequent pipelines and clean the feeding pipe 202 through the cleaning port 108, so that the cleaning degree of the cleaning valve 100 is ensured.

Further, as shown in fig. 3, a first opening 110 is further disposed on the valve body, and the first opening 110 is disposed corresponding to the cleaning opening 108. When the spool 20 is in the second position, the feed tube 202 is in communication with the purge port 108 and the first opening 110.

Example three:

as shown in fig. 3 to 7, a third embodiment of the present invention provides a purge valve 100, including: valve body, valve core 20, drive part 30 and cleaning part 40.

Wherein, a cleaning pipe 204 and a feeding pipe 202 are arranged in the valve core 20, and the feeding pipe 202 and the cleaning pipe 204 extend from the feeding port 102 to the discharging port 104; as shown in fig. 5, the feeding pipe 202 is a straight pipe, the cleaning pipe 204 is a conical pipe, and the flow area of the cleaning pipe 204 decreases along the direction from the feeding port 102 to the discharging port 104.

The straight pipe is adopted as the feeding pipe 202, so that the feeding efficiency of the pumping system can be ensured, and the overall structure of the cleaning valve 100 can be simplified. The cleaning pipe 204 is a conical pipe, and the size of the end of the inclined pipe facing the feed inlet 102 is larger than the size of the end facing the feed inlet 102, so that the flow rate of the filling material can be effectively increased under the condition of the same flow rate, and the filling material flows to the subsequent pipeline at a higher speed, so as to improve the cleaning efficiency of the subsequent pipeline. In addition, through the arrangement of the taper pipe, a user can put the cleaning component 40 from the large-port side, and the operation of the user is convenient.

Further, as shown in FIG. 5, the port diameter of the large port of the cleaning tube 204 is D1, the port diameter of the small port of the cleaning tube 204 is D2, and further defined as 10mm ≦ D1-D2 ≦ 100 mm. That is to say, through the specific structure that sets up scavenge pipe 204, when guaranteeing the cleaning efficiency to follow-up pipeline for scavenge pipe 204 and feed inlet 102 and storage and discharge gate 104 phase-match guarantee that the overall structure of purge valve 100 subassembly is harmonious, avoid the too high requirement to all the other structures, reduce the holistic design of purge valve 100 and make the degree of difficulty.

Example four:

as shown in fig. 3 to 7, a fourth embodiment of the present invention provides a purge valve 100, including: a valve body, a valve core 20, a driving part 30 and a cleaning part 40; the driving unit 30 includes a mounting plate 302, a cylinder 306, and a connecting shaft 308.

As shown in fig. 3, the mounting plate 302 is connected to a connecting plate 304 on the valve body, so that on one hand, stable mounting of the oil cylinder 306 is ensured, on the other hand, the assembly difficulty of the oil cylinder 306 is reduced, and structural interference is avoided; the end of the oil cylinder 308306 facing the valve core 20 is provided with a mounting hole, the valve core 20 is provided with a mounting lug 206 at a side position corresponding to the oil cylinder 308306, and the connecting shaft 308 passes through the mounting hole and the mounting lug 206 to ensure the connection between the oil cylinder 306 and the valve core 20.

As shown in fig. 4 and 6, when the oil cylinder 306 is in a contracted state, the valve core 20 is in the first station, the cleaning pipe 204 is communicated with the cleaning port 106, and the feeding pipe 202 is respectively communicated with the feeding port 102 and the discharging port 104; as shown in FIG. 7, when the cylinder 306 is in the extended state, the valve core 20 is in the second position, the cleaning pipe 204 is respectively communicated with the feeding hole 102 and the discharging hole 104, and the feeding pipe 202 is communicated with the cleaning hole 108. Specifically, the mounting plate 302 and the connecting plate 304 are connected by bolts 310.

In particular, the telescopic stroke of the cylinder 308306 is equal to the distance between the inlet 102 and the cleaning opening, and equal to the distance between the inlet 102 and the cleaning opening 108, so as to ensure that the valve plug 20 is driven by the cylinder 308306 to move in place.

Example five:

as shown in fig. 3 to 7, a fifth embodiment of the present invention provides a purge valve 100, including: a valve body, a valve core 20, a driving part 30 and a cleaning part 40; the valve body includes a front plate 114, a rear plate 116, and a pull rod 118.

As shown in fig. 3, one side of the front plate 114 serves as an inlet end of the purge valve 100, and the inlet 102, the purge port 106, and the purge port 108 of the valve body are disposed on the front plate 114; one side of the rear side plate 116 is used as an outlet end of the cleaning valve 100, and the discharge hole 104 of the valve body is arranged on the rear side plate 116; in addition, the inlet 102 is disposed opposite to the outlet 104; the tie rod 118 is connected at both ends thereof to the front plate 114 and the rear plate 116, respectively, to ensure the stability of the entire structure of the purge valve 100.

Further, as shown in fig. 3, a first fastening nut 120 is disposed on the pull rod 118, and the first fastening nut 120 is located between the front side plate 114 and the valve core 20, and/or located between the rear side plate 116 and the valve core 20, and the tensioning degree of the front side plate 114 and the rear side plate 116 is adjusted by the position of the first fastening nut 120 on the pull rod 118; a second fastening nut 122 is arranged on the pull rod 118, and the second fastening nut 122 is positioned on one side of the front side plate 114 facing away from the valve core 20 and/or one side of the rear side plate 116 facing away from the valve core 20, and the front side plate 114 and the rear side plate 116 are locked by the position of the second fastening nut 122 on the pull rod 118.

Through the cooperation of the first fastening nut 120 and the second fastening nut 122, the compactness of the whole purge valve 100 can be ensured, so as to ensure the service life of the purge valve 100.

Further, as shown in fig. 3, the inner sides of the front side plate 114 and the rear side plate 116 are provided with stoppers 124, and the stoppers 124 are arranged along the moving direction of the valve element 20; the plurality of limit blocks 124 can form limit channels on the front side plate 114 and the rear side plate 116, so that the valve core 20 is integrally positioned in the limit channels, the valve core 20 is ensured to move along the limit channels under the driving of the driving part 30, and the switching between the first station and the second station is realized; in addition, the limiting channel can lift the valve core 20 from the bottom, and the stable position of the valve core 20 in the valve body is ensured.

In any of the above embodiments, preferably, as shown in fig. 3, a counterbore (not shown) is provided at an end of the feeding pipe 202 and the cleaning pipe 204, and a sealing ring 126 and a pressing ring 128 are provided in the counterbore, where the sealing ring 126 is used as a sealing member between the pressing ring 128 and the counterbore, so that the flatness of the contact surface of the valve core 20 can be reduced, and the processing difficulty can be reduced; the end of the valve core 20 is sealed in a plane by a press ring 128, and the press ring 128 is used as a replaceable loss product, so that the service life of the valve core 20 is ensured.

In addition, a feed pipe 130 and a discharge pipe 132 are provided at both ends of the purge valve 100. The inlet pipe 130 is in communication with the inlet port 102 and the outlet pipe 132 is in communication with the outlet port 104.

Example six:

as shown in fig. 8, a sixth embodiment of the present invention provides a pumping system, including: the transfer pump 200 and the purge valve 100 of any of the above embodiments, the inlet 102 of the purge valve 100 is in communication with the outlet of the transfer pump 200.

The utility model provides a pumping system, because of the purge valve 100 including any one of above-mentioned technical scheme, consequently, has the whole beneficial effect of any one of above-mentioned purge valve 100, no longer discusses one by one here.

Specifically, as shown in fig. 8, in the pumping system, one transfer pump 200 is provided with a tunnel a502 and a tunnel B504, and a cleaning valve 100 and a diverter valve 300 are respectively provided at the outlet end of the transfer pump 200, the cleaning valve 100 is used for cleaning a downstream pipeline, and the diverter valve 300 is used for switching tunnels.

The feed port 102 of the cleaning valve 100 is communicated with the outlet of the conveying pump 200, when the pumping system is in a pumping state, the valve core 20 is in a first station, and the conveying pump 200 pumps materials to a designated position through the feed pipe 202; when the pumping system is in a cleaning state, the valve core 20 is in the second station, and the conveying pump 200 pumps the cleaning component 40 to the downstream pipeline through the cleaning pipe 204, so that the cleaning of the pumping system is realized.

The utility model provides a pumping system, under pumping system is in the pumping state, drive the valve core through the drive part and remove, the valve core is in first station this moment, feed inlet and discharge gate are linked together through the conveying pipe, can realize the pay-off; when pumping system need wash, place the cleaning part in the scavenge pipe to drive the valve core through drive assembly and remove, the valve core is in the second station this moment, and feed inlet and discharge gate are linked together through the scavenge pipe, then open the delivery pump, make the cleaning part move to the low reaches pipeline under the drive of getting the material, and clear up the low reaches pipeline.

It is worth noting that. In whole cleaning process, the staff only need through drive assembly drive valve core motion can, avoided dismantling the scavenge pipe among the correlation technique and clear up the process of the intraductal stopping of scavenge, the staff operation of being convenient for can effectively reduce staff's intensity of labour, promotes the cleaning efficiency.

The specific embodiment is as follows:

the problem of the difficulty is filled in to the heavy-calibre pipeline of current transfer pump existence cleaning element 40, in order to solve above-mentioned technical problem, the utility model discloses a technical scheme design a neotype purge valve 100, its concrete scheme as follows:

the cleaning valve 100 is installed at the outlet of the delivery pump, as shown in fig. 4, the valve core 20 is normally in the first position, at this time, the feeding pipe 202 is communicated with the feeding port 102, the cleaning pipe 204 is communicated with the cleaning port 106, and the filler enters the following filling pipeline through the feeding pipe 202; when the pipe 204 needs to be cleaned, as shown in fig. 6, the cleaning part 40 is plugged into the cleaning pipe 204, then the hydraulic station is started to drive the oil cylinder 306, and further the valve core 20 is pushed to move, so that the cleaning valve 100 is located at a second station, as shown in fig. 7, at this time, the cleaning pipe 204 is communicated with the feeding port 102, and the feeding pipe 202 is communicated with the cleaning port 108; the pump is then actuated to push the cleaning element 40 forward to clean the entire tube and to clean the feed tube 202 through the cleaning port 108.

Because the cleaning pipe 204 of the cleaning valve 100 is independent of the whole pipeline, and no filler is arranged inside, when the cleaning component 40 is placed, the cleaning valve does not need to be stopped, and the cleaning work is greatly facilitated.

As shown in fig. 3, the present invention provides a purge valve 100, which has the following components: the cylinder barrel of the oil cylinder 306 is arranged on the mounting plate 302, and the cylinder rod of the oil cylinder 306 is connected with the valve core 20 through a connecting shaft 308; the mounting plate 302 is connected with the connecting plate 304 through a bolt 310, and the connecting plate 304 is connected with the front side plate 114 and the rear side plate 116 through a pull rod 118; the valve body 20 is sandwiched between the front plate 114 and the rear plate 116; a limit block 124 is arranged on the pull rod 118, and the limit block 124 limits the up-down position of the valve core 20; the position of the limiting block 124 is limited by adjusting the position of the first fastening nut 120 on the pull rod 118, so that the gaps between the front side plate 114 and the rear side plate 116 and the valve core 20 are adjusted; the front side plate 114 and the rear side plate 116 are pressed by the second fastening nut 122; a sealing ring 126 and a pressing ring 128 are arranged in a counter bore of the valve core 20, the pressing ring 128 is slightly higher than the surface of the valve core 20 during assembly, the pressing ring 128 is used for plane sealing between the valve core 20 and the front side plate 114 and the rear side plate 116, and the sealing ring 126 is used for sealing between the pressing ring 128 and the counter bore of the valve core 20. Therefore, the flatness of the contact surface of the valve core 20 can be reduced, and the processing difficulty is reduced; the inlet 102 is mounted on the front side plate 114, and the outlet 104 is mounted on the rear side plate 116.

As shown in fig. 5, the valve element 20 is assembled and welded by a mounting plate 302, a feed pipe 202, a cleaning pipe 204, and a frame 208. Wherein the caliber of the small end of the cleaning tube 204 is the same as that of the cleaning tube 204, and the inner diameter of the large end of the cleaning tube 204 is 20mm to 80mm larger than that of the small end; the distance between the cleaning pipe 204 and the feeding pipe 202 is m (not shown in the figure); three holes are respectively arranged on the front side plate 114 and the rear side plate 116, the distance between the feed port 102 and the cleaning port 106 and the cleaning port 108 is also m (not shown in the figure), and the stroke of the oil cylinder 306 is also m (not shown in the figure). This ensures that when the cylinder 306 is fully retracted, the feed tube 202 is coaxial with the second opening 112 and the feed tube 202 is coaxial with the feed inlet 102; when the cylinder 306 is fully extended, the purge tube 204 is coaxial with the feed port 102 and the feed tube 202 is coaxial with the purge port 108.

Specifically, the distance between the cleaning pipe 204 and the feeding pipe 202 is m, which refers to the distance between the central axes of the cleaning pipe 204 and the feeding pipe 202; the distance between the feed opening 102 and the cleaning opening 106 and the cleaning opening 108 is m, which means the distance between the center lines of the feed opening 102, the cleaning opening 106 and the cleaning opening 108. The value range for m can be selected by one skilled in the art based on the actual configuration of the purge valve 100.

The utility model provides a purge valve 100, its theory of operation as follows: the purge valve 100 is installed at the outlet of the transfer pump, and when the valve core 20 is normally at the first position, the feed pipe 202 is communicated with the feed port 102, the purge pipe 204 is communicated with the purge port 106, and the filler enters the following filling pipe through the feed pipe 202. When the cleaning pipe 204 is needed, the cleaning part 40 is plugged into the cleaning pipe 204, and then the hydraulic station driving oil cylinder 306 is started, so that the valve core 20 is pushed to move, and the cleaning valve 100 is located at the second station. At this time, the cleaning pipe 204 is communicated with the feeding port 102, the feeding pipe 202 is communicated with the cleaning port 108, the pump is started to push the cleaning component 40 forward, the filling material in the whole pipeline is cleaned, and meanwhile, the filling material in the feeding pipe 202 can be cleaned through the cleaning port 108.

The utility model provides a purge valve 100, its advantage is as follows: the cleaning valve 100 is connected in series on the pipeline, the cleaning pipe 204 is independent outside the pipeline at ordinary times, and the cleaning part 40 does not need to be stopped when being plugged; the cleaning pipe 204 is provided as a taper pipe so that the cleaning member 40 can be easily inserted; the filling material in the straight pipe can be cleaned through the cleaning port 108; most components are assembly parts, so that the whole processing difficulty is low; the front side plate 114 and the rear side plate 116 are connected through a pull rod 118, and the pressure of the side plates on the valve core 20 can be adjusted by adjusting the position of a fastening nut on the pull rod 118; the valve core 20 is provided with a pressing ring 128, the pressing ring 128 is used for ensuring plane sealing, and the pressing ring 128 is used as a replaceable loss product, so that the service life of the valve core 20 is ensured.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A purge valve, comprising:

the valve body is provided with a feeding hole and a discharging hole;

the valve core is movably arranged in the valve body, a feeding pipe and a cleaning pipe are arranged in the valve core, and the feeding pipe and the cleaning pipe extend from the feeding hole to the discharging hole;

the driving component is arranged on the valve body and connected with the valve core, and the driving component is used for driving the valve core to move so that the feeding hole and the discharging hole can be selectively communicated through the feeding pipe or the cleaning pipe;

wherein, the washing pipe is used for placing a washing part.

2. The purge valve of claim 1, further comprising:

the cleaning port is arranged on the valve body;

the cleaning port is arranged on the valve body, and the cleaning port are positioned on two sides of the feeding hole;

under the first station of the valve core, the feed inlet is communicated with the discharge outlet through the feed pipe, and the cleaning pipe is communicated with the cleaning port; under the second station of the valve core, the feed inlet is communicated with the discharge outlet through the cleaning pipe, and the feed pipe is communicated with the cleaning port;

the driving part is used for driving the valve core to switch between the first station and the second station.

3. The purge valve of claim 1,

the feeding pipe is a straight pipe, the cleaning pipe is a conical pipe, and the flow area of the cleaning pipe is reduced along the direction from the feeding hole to the discharging hole.

4. The purge valve of claim 3,

the diameter of the port of the cleaning pipe facing one end of the feeding hole is D1, the diameter of the port of the cleaning pipe facing one end of the discharging hole is D2, and the requirement that D1-D2 are more than or equal to 10mm is met, wherein the diameter of the port of the cleaning pipe facing one end of the discharging hole is more than or equal to D2.

5. The purge valve of claim 2, wherein said drive member comprises:

the mounting plate is connected with the valve body;

the oil cylinder is arranged on the mounting plate, a mounting hole is formed in one end, facing the valve core, of the oil cylinder, and a mounting lug is arranged on one side, corresponding to the oil cylinder, of the valve core;

the connecting shaft penetrates through the mounting hole and the mounting lug;

the stroke of the oil cylinder is equal to the distance between the feeding hole and the cleaning opening and equal to the distance between the feeding hole and the cleaning opening.

6. The purge valve of any of claims 1 to 5, wherein the valve body comprises:

the feeding hole, the cleaning hole and the cleaning hole of the valve body are positioned on the front side plate;

the discharge hole of the valve body is positioned on the rear side plate, and the feed inlet is arranged opposite to the discharge hole;

and two ends of the pull rod are respectively connected with the front side plate and the rear side plate.

7. The purge valve of claim 6, further comprising:

the first fastening nut is sleeved on the pull rod and positioned between the front side plate and the valve core and/or positioned between the rear side plate and the valve core;

the second fastening nut is sleeved on the pull rod and is positioned on one side of the front side plate, which is far away from the valve core, and/or is positioned on one side of the rear side plate, which is far away from the valve core;

the first fastening nut is used for adjusting the distance between the front side plate and the rear side plate, and the second fastening nut is used for locking the front side plate and the rear side plate.

8. The purge valve of claim 6, further comprising:

the limiting block is arranged on one side, facing the valve core, of the front side plate and the rear side plate;

the limiting blocks are arranged along the moving direction of the valve core and form a limiting channel, and the valve core can move along the limiting channel.

9. The purge valve of claim 6, further comprising:

the sealing rings are arranged in the counter bores at the two ends of the feeding pipe and the cleaning pipe;

the pressing ring is arranged in counter bores at two ends of the feeding pipe and the cleaning pipe, and the pressing ring protrudes out of the outer surface of the valve core;

the feeding pipe is communicated with the feeding hole; the discharge pipe is communicated with the discharge hole;

the first opening is arranged on the rear side plate and is opposite to the cleaning opening of the valve body;

and the second opening is arranged on the rear side plate and is opposite to the cleaning opening.

10. A pumping system, comprising: a delivery pump and a purge valve as claimed in any of claims 1 to 9, the inlet of the purge valve communicating with the outlet of the delivery pump.

Images