CN216278442U

CN216278442U - Filter equipment of slush pump

Info

Publication number: CN216278442U
Application number: CN202123110926.0U
Authority: CN
Inventors: 赵子红; 王富全; 林彬辉
Original assignee: Hangzhou Xihu Pump Factory
Current assignee: Hangzhou Xihu Pump Factory
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-12
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a filter device of a slurry pump, which relates to the field of slurry pumps and solves the problem that sealing performance of a sealing ring is reduced because slurry is easy to abrade the sealing ring when the existing slurry pump is used, and comprises a piston rod, a cylinder body, a sealing device and a filter mechanism, wherein one end of the piston rod is fixedly connected with a piston disc which is in sliding connection with the inner wall of the cylinder body, a device groove is arranged on the piston disc, the sealing device is used for ensuring sealing between the side wall of the piston disc and the cylinder body, the filter mechanism is used for inputting clear water filtered by the slurry into the sealing device when the piston rod pushes and pulls the piston disc, so that the sealing performance of the sealing device is improved, and the filter device of the slurry pump, through setting up sealing device and filtering mechanism, be convenient for carry sealing device through the water that filters mud and obtain getting rid of silt in, with the sealing washer to the cylinder body for sealed effect increases, has improved the utilization ratio and the sealed efficiency of sealing washer.

Description

Filter equipment of slush pump

Technical Field

The utility model relates to the technical field of slurry pumps, in particular to a filtering device of a slurry pump.

Background

The Mud Pump (Mud Pump) is also a popular concept of a wide range of pumps, different regions and habits are different, finally, the related Pump types are different, and in fact, some non-clean water pumps such as sewage pumps and slurry pumps and the like are also universal in law calling.

When the existing slurry pump works, a piston moves back and forth in a cylinder body, a sealing element is arranged between the piston and the inner wall of the cylinder body, and slurry is prevented from flowing to a non-working chamber from a slurry chamber.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter device of a mud pump, which is convenient for increasing the sealing performance and the use efficiency of a sealing ring, so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a filter device of a slurry pump comprises a piston rod, a cylinder body, a sealing device and a filter mechanism, wherein one end of the piston rod is fixedly connected with a piston disc which is in sliding connection with the inner wall of the cylinder body, a device groove is formed in the piston disc, the sealing device is installed on the piston disc and used for ensuring the sealing between the side wall of the piston disc and the cylinder body, the filter mechanism is installed in the device groove and used for inputting clean water after slurry is filtered into the sealing device when the piston rod pushes and pulls the piston disc, the sealing performance of the sealing device is improved, the sealing device and the filter mechanism are arranged, so that water for removing silt is conveniently conveyed into the sealing device by filtering the slurry, a sealing ring is conveyed into the cylinder body, the sealing effect is improved, and meanwhile, the sealing ring can be continuously pushed to the cylinder body after being abraded, when the sealing washer wearing and tearing reached the degree that can't use, can carry out quick replacement through sealing device, the device dismouting is convenient, and simple structure easily produces, has improved the utilization ratio and the sealed efficiency of sealing washer.

Preferably, sealing device includes the sealing washer, the ring channel has been seted up to the side of piston dish, the sealing washer with the ring channel cup joints mutually, the thread groove has been seted up to the side of ring channel, thread groove female connection has solid fixed ring, the dismouting change of the sealing washer of being convenient for.

Preferably, the filtering mechanism comprises an elastic part fixedly installed in the device groove, the elastic part is fixedly connected with a movable block in sliding connection with the device groove, the device groove is fixedly connected with a fixing ring, the device groove is fixedly connected with a filter screen, and the piston disc is internally provided with a conveying part which is used for conveying clean water in the device groove to the annular groove and supports the filter screen to prevent the clean water from continuously entering the annular groove when the clean water reaches a certain pressure, so that the slurry is conveniently filtered.

Preferably, carry the piece including fixed mounting in the flexible folding tube of device inslot, the storage chamber has been seted up in the flexible folding tube, the piston has seted up in the dish with a plurality of conveyer pipes that the device groove communicates mutually, the piston has seted up in the dish with a plurality ofly the storage ring of conveyer pipe homogeneous phase intercommunication, the piston has seted up in the dish a plurality ofly with the storage ring with the first connecting pipe of ring channel homogeneous phase intercommunication, the piston has seted up in the dish with the conveyer pipe with the second connecting pipe that the storage chamber is linked together, be convenient for carry the expansion that promotes the sealing washer in the ring channel with the mud after filtering, increase the leakproofness of sealing washer and cylinder body inner wall.

Preferably, the elastic member is a spring, which is convenient for production.

Preferably, one end of the movable block is fixedly connected with an insertion block inserted with the fixed ring, so that the opening of the fixed ring is conveniently plugged.

Preferably, the telescopic folding pipe is made of PVC plastic materials, so that the telescopic folding pipe is more environment-friendly and durable.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model solves the problem that the sealing performance of the sealing ring is reduced because the sealing ring is easily worn by mud when the existing mud pump is used, the sealing device and the filtering mechanism are arranged, so that water for removing silt is conveniently conveyed into the sealing device by filtering the mud, the sealing ring is conveyed to the cylinder body, the sealing effect is increased, meanwhile, the sealing ring can be continuously pushed to the cylinder body after being worn until the sealing ring is worn to the extent that the sealing ring cannot be used, the sealing ring can be quickly replaced by the sealing device, the device is convenient to disassemble and assemble, the structure is simple, the production is easy, and the utilization rate of the sealing ring and the sealing efficiency are improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the filter mechanism of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

FIG. 5 is a schematic view of the sealing device of the present invention;

fig. 6 is an enlarged view of the region B in fig. 5.

In the figure: 1-a piston rod; 2-cylinder body; 3-a piston disc; 4-device slot; 5-sealing device; 6-a filtering mechanism; 7-sealing ring; 8-an annular groove; 9-thread groove; 10-a fixed ring; 11-an elastic member; 12-a movable block; 13-a stationary ring; 14-a filter screen; 15-a transport; 16-a telescopic folding tube; 17-a storage chamber; 18-a delivery pipe; 19-a storage ring; 20-a first connection pipe; 21-a second connecting tube; 22-plug-in block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a filter device of a slurry pump shown in the figure includes a piston rod 1, a cylinder body 2, a sealing device 5 and a filter mechanism 6, wherein one end of the piston rod 1 is fixedly connected with a piston disc 3 slidably connected with an inner wall of the cylinder body 2, a device groove 4 is formed in the piston disc 3, the sealing device 5 is installed on the piston disc 3 and used for ensuring sealing between a side wall of the piston disc 3 and the cylinder body 2, and the filter mechanism 6 is installed in the device groove 4 and used for inputting filtered clear water into the sealing device 5 when the piston rod 1 pushes and pulls the piston disc 3, so as to increase the sealing performance of the sealing device 5.

Referring to fig. 5-6, the sealing device 5 shown in the drawings includes a sealing ring 7, an annular groove 8 is formed in a side surface of the piston disc 3, the sealing ring 7 is sleeved with the annular groove 8, a thread groove 9 is formed in a side surface of the annular groove 8, and a fixing ring 10 is connected to the thread groove 9 through an internal thread.

In the embodiment, the fixing ring 10 is unscrewed, the sealing ring 7 can be installed in the annular groove 8 in a sleeved mode, then the fixing ring 10 is in threaded connection with the threaded groove 9, and installation of the sealing ring 7 can be completed, when the slurry pump works, the piston rod 1 continuously stretches and retracts to drive the piston disc 3 to perform piston motion in the cylinder body 2, the slurry is sucked into the cylinder body 2 and then is output to a position needing to be discharged, the piston disc 3 can be linked with the filtering mechanism 6 to operate when performing piston motion, the small and medium slurry is filtered and conveyed into the annular groove 8 to push the sealing ring 7 to expand outwards, sealing performance between the sealing ring 7 and the inner wall of the cylinder body 2 is improved, and silt is prevented from rubbing the cylinder body 2 and the sealing ring 7 between the sealing ring 7 and the cylinder body 2.

Example 2

Please refer to fig. 1-4 to describe embodiment 2, which further describes embodiment 1, and the illustration includes a piston rod 1, a cylinder body 2, a sealing device 5 and a filtering mechanism 6, one end of the piston rod 1 is fixedly connected with a piston disc 3 slidably connected with an inner wall of the cylinder body 2, a device groove 4 is formed on the piston disc 3, the sealing device 5 is installed on the piston disc 3 to ensure sealing between a side wall of the piston disc 3 and the cylinder body 2, and the filtering mechanism 6 is installed in the device groove 4 to input filtered clear water into the sealing device 5 when the piston rod 1 pushes and pulls the piston disc 3, so as to increase the sealing performance of the sealing device 5.

Referring to fig. 3-6, the filtering mechanism 6 shown in the figure includes an elastic member 11 fixedly installed in the device tank 4, the elastic member 11 is a spring, a movable block 12 slidably connected to the device tank 4 is fixedly connected to the elastic member 11, a fixed ring 13 is fixedly connected to the device tank 4, an insertion block 22 inserted into the fixed ring 13 is fixedly connected to one end of the movable block 12, a filter screen 14 is fixedly connected to the device tank 4, and a conveying member 15 for conveying clean water in the device tank 4 into the annular groove 8 and abutting against the filter screen 14 to prevent the clean water from continuously entering the clean water when the clean water reaches a certain pressure is provided in the piston disc 3.

In this embodiment, when the piston rod 1 pushes the piston disc 3 to move to one side of the slurry, the slurry flows into the device groove 4 through the filtering action of the filter screen 14, the movable block 12 is pushed to compress the elastic part 11, the insertion of the insertion block 22 and the fixed ring 13 is removed, the clean water flows into the annular groove 8 through the conveying part 15 to stretch the seal ring 7 outwards, the sealing performance between the seal ring 7 and the cylinder body 2 is improved, meanwhile, when the clean water in the device groove 4 reaches a certain pressure, the conveying part 15 is pushed to abut against the movable block 12, the top surface of the insertion block 22 blocks the inner side of the filter screen 14, the slurry which is continuously filtered is reduced, only when the seal ring 7 is worn, the pressure in the device groove 4 is reduced, the filter screen 14 continuously filters the clean water to be filled, and the seal ring 7 is supported.

Example 3

Referring to fig. 3-6 to describe embodiment 3, this embodiment further describes embodiment 1, the illustrated filtering mechanism 6 includes an elastic member 11 fixedly installed in the device slot 4, the elastic member 11 is a spring, a movable block 12 slidably connected to the device slot 4 is fixedly connected to the elastic member 11, a fixed ring 13 is fixedly connected to the device slot 4, an insertion block 22 inserted into the fixed ring 13 is fixedly connected to one end of the movable block 12, a filter screen 14 is fixedly connected to the device slot 4, and a conveying member 15 for conveying the clean water in the device slot 4 into the annular groove 8 and abutting against the filter screen 14 to prevent the clean water from continuously entering the annular groove when the clean water reaches a certain pressure is provided in the piston disc 3.

Referring to fig. 3-6, the conveying member 15 shown in the drawings includes a telescopic folding tube 16 fixedly installed in the installation groove 4, the telescopic folding tube 16 is made of PVC plastic, a storage cavity 17 is formed in the telescopic folding tube 16, a plurality of conveying tubes 18 communicated with the installation groove 4 are formed in the piston disc 3, a storage ring 19 communicated with the plurality of conveying tubes 18 is formed in the piston disc 3, a plurality of first connecting tubes 20 communicated with the storage ring 19 and the annular groove 8 are formed in the piston disc 3, and a second connecting tube 21 communicated with the conveying tubes 18 and the storage cavity 17 is formed in the piston disc 3.

In this embodiment, the clear water in the device groove 4 is carried in retaining ring 19 and the second connecting pipe 21 through conveyer pipe 18, the inboard of ring channel 8 is carried to rethread first connecting pipe 20, the clear water constantly accumulates in the ring channel 8 and can outwards promote sealing washer 7, increase the inseparable degree of sealing

washer

7 and 2 inner walls of cylinder body, increase the leakproofness, clear water enters into through second connecting pipe 21 simultaneously and props up flexible folding tube 16 in storage chamber 17, thereby make flexible folding tube 16 promote the removal of movable block 12 and insert in the retainer plate 13 with grafting piece 22, avoid mud to continue to pass through filter screen 14 to device inslot 4, when needs change sealing washer 7, only need to twist off retainer ring 10, the clear water in the ring channel 8 can flow out, sealing washer 7 is no longer released by the clear water, can pull down sealing washer 7 and change.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A filter apparatus for a slurry pump, comprising: the cylinder comprises a piston rod (1) and a cylinder body (2), wherein one end of the piston rod (1) is fixedly connected with a piston disc (3) which is connected with the inner wall of the cylinder body (2) in a sliding manner, and a device groove (4) is formed in the piston disc (3);

further comprising: the sealing device (5) is arranged on the piston disc (3) and used for ensuring the sealing between the side wall of the piston disc (3) and the cylinder body (2);

the filter mechanism (6) is installed in the device groove (4) and used for inputting clear water filtered by mud into the sealing device (5) when the piston rod (1) pushes and pulls the piston disc (3), and the sealing performance of the sealing device (5) is improved.

2. The filter assembly of a slurry pump as set forth in claim 1, wherein: sealing device (5) include sealing washer (7), ring channel (8) have been seted up to the side of piston dish (3), sealing washer (7) with ring channel (8) cup joint mutually, thread groove (9) have been seted up to the side of ring channel (8), thread groove (9) female connection has solid fixed ring (10).

3. The filter assembly of a slurry pump as set forth in claim 2, wherein: filtering mechanism (6) including fixed mounting in elastic component (11) in device groove (4), on elastic component (11) fixedly connected with device groove (4) sliding connection's movable block (12), fixedly connected with retainer plate (13) in device groove (4), fixedly connected with filter screen (14) in device groove (4), be equipped with in piston dish (3) and be used for with the clear water in device groove (4) is carried in ring channel (8) and supports when the clear water reaches certain pressure filter screen (14) prevent to continue to get into the transport piece (15) of clear water.

4. A filter arrangement for a slurry pump according to claim 3, wherein: carry piece (15) including fixed mounting in flexible folding tube (16) in device groove (4), storage chamber (17) have been seted up in flexible folding tube (16), seted up in piston dish (3) with a plurality of conveyer pipe (18) that device groove (4) are linked together, seted up in piston dish (3) with a plurality of storage ring (19) that conveyer pipe (18) homogeneous phase communicates, seted up in piston dish (3) a plurality of with storage ring (19) with first connecting pipe (20) that ring channel (8) homogeneous phase communicates, seted up in piston dish (3) with conveyer pipe (18) with second connecting pipe (21) that storage chamber (17) are linked together.

5. A filter arrangement for a slurry pump according to claim 3, wherein: the elastic piece (11) is a spring.

6. A filter arrangement for a slurry pump according to claim 3, wherein: one end of the movable block (12) is fixedly connected with an inserting block (22) which is inserted with the fixed ring (13).

7. The filter assembly of a slurry pump as set forth in claim 4, wherein: the telescopic folding pipe (16) is made of PVC plastic materials.