CN112555162A - Multistage centrifugal pump with ready-package sealing mechanism - Google Patents
Multistage centrifugal pump with ready-package sealing mechanism Download PDFInfo
- Publication number
- CN112555162A CN112555162A CN202011440986.6A CN202011440986A CN112555162A CN 112555162 A CN112555162 A CN 112555162A CN 202011440986 A CN202011440986 A CN 202011440986A CN 112555162 A CN112555162 A CN 112555162A
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- Prior art keywords
- centrifugal pump
- multistage centrifugal
- pump body
- water inlet
- sealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a multistage centrifugal pump with a quick-mounting type sealing mechanism, which belongs to the field of multistage centrifugal pumps and comprises a substrate, wherein a mounting frame is connected to the left side of the top of the substrate in a sliding manner, a motor is fixedly mounted at the top of the mounting frame, a fixed seat is fixedly connected to the right side of the top of the substrate, a multistage centrifugal pump body is fixedly mounted at the top of the fixed seat, a water inlet is formed in the left side of the top of the multistage centrifugal pump body, external threads are formed in the water inlet, a sealing element is connected to the internal threads of the water inlet in a threaded manner, a connecting pipe is integrally connected to the bottom of the sealing element, internal threads matched with the external threads are formed in the outer. The sealing piece is arranged at the end part of the water inlet and used for reinforcing the joint of the multistage centrifugal pump body and the water supply pipe.
Description
Technical Field
The invention relates to the field of multistage centrifugal pumps, in particular to a multistage centrifugal pump with a quick-assembly sealing mechanism.
Background
The multistage centrifugal pump is characterized in that more than two centrifugal pumps with the same function are integrated together, and the fluid channel structure is characterized in that a medium pressure relief opening of a first stage is communicated with an inlet of a second stage, and a medium pressure relief opening of the second stage is communicated with an inlet of a third stage, so that the multistage centrifugal pump is formed by a mechanism connected in series, and the multistage centrifugal pump is significant in improving set pressure.
For example, CN201820487421.5 discloses a multistage centrifugal pump in the prior art, which includes a centrifugal pump middle casing and a shaft lever, wherein the shaft lever is installed in the middle of the centrifugal pump middle casing, an impeller matched with the centrifugal pump middle casing is fixedly installed on the shaft lever, a water outlet section is provided on the right side of the centrifugal pump middle casing, a filler body is fixed on the right side of the water outlet section, a balance disc is fixed on the shaft lever inside the filler body through a shaft sleeve, and the right bearing gland is fixedly connected with the shaft lever through a deep groove ball bearing. This multistage centrifugal pump adopts the whole welding of three-section structure together, reduces the leakage point, improves sealed effect, adopts the below to set up the wet return of watering simultaneously, and it is convenient to water before the operation, adopts simultaneously at the inside fluoroplastics of coating with fluid contact department of casing, guarantees casing and fluid contactless, can effectually prevent that the casing from rustting, can be better carry out the use of centrifugal pump, promotes the development of centrifugal pump trade.
Above-mentioned prior art adopts welded mode to reduce the leakage point, improves multistage centrifugal pump's sealed effect, but adopts welded mode not to possess the detachability, and does not protect water inlet and water outlet department to multistage centrifugal pump, because can produce great pressure when multistage centrifugal pump moves, rivers easily follow inlet outlet department and produce and reveal, if do not protect it, then can influence multistage centrifugal pump's normal use.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a multistage centrifugal pump with a quick-assembly type sealing mechanism, the scheme is that a sealing element is arranged at the end part of a water inlet and is used for reinforcing the joint of a multistage centrifugal pump body and a water supply pipe, when the multistage centrifugal pump body works, large vibration is generated, the sealing element can avoid the phenomenon that the water supply pipe falls off from the water inlet due to vibration, the stability of the water inlet is further protected, a protecting element is arranged at the end part of the water outlet and is used for protecting the water flow output end of the multistage centrifugal pump body, the water flow strength of the output end is very large due to the conversion of water flow through the multistage centrifugal pump body, if the water outlet is not protected, the water pipe at the water outlet is possibly sprayed, and the like, the left half part and the right half part of the protecting element are in threaded connection with a first fastening bolt through a first, the utility model has the advantages of make it have the function of the dismouting of being convenient for to set up seal gasket among them and be used for the reinforcement, can guarantee the security of delivery port.
In order to solve the above problems, the present invention adopts the following technical solutions.
A multistage centrifugal pump with a fast-assembly type sealing mechanism comprises a base plate, wherein a mounting frame is connected to the left side of the top of the base plate in a sliding mode, a motor is fixedly mounted at the top of the mounting frame, a fixing seat is fixedly connected to the right side of the mounting frame at the top of the base plate, a multistage centrifugal pump body is fixedly mounted at the top of the fixing seat, a water inlet is formed in the left side of the top of the multistage centrifugal pump body, external threads are arranged inside the water inlet, a sealing element is connected to the internal threads of the water inlet, a connecting pipe is integrally connected to the bottom of the sealing element, internal threads matched with the external threads are arranged on the outer side of the connecting pipe, a through hole is formed in the sealing element corresponding to the position of the connecting pipe, a water receiving, the connector has been seted up in the left side of multistage centrifugal pump body, the output of motor passes the connector and is connected with the multistage centrifugal pump body, the delivery port has been seted up on the top right side of multistage centrifugal pump body, the port department fixedly connected with protection piece of delivery port, protection piece comprises half left and half right, half left and half right inside semicircular in shape, half left and half right side corresponding position has all seted up first screw hole, the internal thread of first screw hole is connected with first fastening bolt, half left and half right inside has all bonded seal gasket. The end part of the water inlet is provided with the sealing element which is used for reinforcing the joint of the multistage centrifugal pump body and the water supply pipe, when the multistage centrifugal pump body works, large vibration can be generated, the sealing element can avoid the phenomenon that the water supply pipe falls off from the water inlet due to vibration, the stability of the water inlet is further protected, the end part of the water outlet is provided with the protecting element which is used for protecting the water flow output end of the multistage centrifugal pump body, the water flow strength of the output end is very large due to the conversion of water flow through the multistage centrifugal pump body, if the water outlet is not protected, the water pipe at the water outlet is possibly sprayed, and the like, the left half part and the right half part of the protecting element are in threaded connection with the first fastening bolt through the first threaded hole, so that the multistage centrifugal pump has the function of convenient disassembly and assembly, and, the safety of the water outlet can be ensured.
Further, the mounting bracket comprises an accepting plate, supporting legs, a bottom plate and a baffle, wherein the supporting legs are fixedly connected with four corners at the bottom of the accepting plate, the bottom of the supporting legs is fixedly connected with the bottom plate, and the baffle is fixedly connected with the left side and the right side of the top of the accepting plate. Set up the mounting bracket, the mounting bracket is assembled by accepting board, landing leg, bottom plate, baffle and forms for the mounting bracket has dismantled and assembled function, if the condition of damage appears in some positions of mounting bracket, can change to the position that appears damaging, can continue to use.
Further, the sliding grooves are formed in the front end and the rear end of the left side of the top of the base plate, the sliding blocks are fixedly connected to the positions, corresponding to the sliding grooves, of the bottom of the mounting frame, and the mounting frame is connected to the sliding blocks in the sliding grooves in a sliding mode. Set up spout and slider, the mounting bracket carries out sliding connection through slider and spout for the mounting bracket has the function of convenient removal, after work is accomplished, through the cooperation of spout and slider, can be more relaxed carries out the split with motor and multistage centrifugal pump body.
Furthermore, second threaded holes are formed in four corners of the top of the sealing element, the top of the multistage centrifugal pump body located on the outer side of the water inlet is also provided with second threaded holes corresponding to the second threaded holes, and the second threaded holes are connected with second fastening bolts through internal threads. Set up second screw hole, second fastening bolt, after the sealing member passes through connecting pipe and water inlet threaded connection, the second screw hole on the sealing member just in time is in the state of coincidence with the second screw hole on the multistage centrifugal pump body, can carry out the secondary to it through second fastening bolt at this moment to ensure the stability of being connected of sealing member and water inlet department.
Furthermore, the bottom homogeneous body formula of half on the left side and half on the right side is connected with the mounting panel, the top of multistage centrifugal pump body is located all around of delivery port and has all seted up the third screw hole, the third screw hole has also been seted up with the corresponding position of third screw hole in the top of mounting panel, the internal thread of third screw hole is connected with third fastening bolt. Set up third screw hole, third fastening bolt, the third screw hole at mounting panel top is in same position with the third screw hole on the multistage centrifugal pump body, can fix protection piece in water outlet department through third fastening bolt to ensure the stability of being connected of protection piece and water outlet department.
Furthermore, the position that the inside left side of multistage centrifugal pump body is located the connector is fixedly connected with the closing plate, the center department of closing plate has seted up the round hole. Set up the closing plate, the closing plate can guarantee that multistage centrifugal pump body during operation, and its inside rivers can not ooze from the connector, set up the round hole for the pivot of guaranteeing multistage centrifugal pump body can pass the round hole and be connected with the output of motor.
Furthermore, the output end of the motor and the connecting port on the left side of the multistage centrifugal pump body are positioned on the same horizontal line. The output end of the motor and the connecting port are positioned on the same horizontal line, so that the output end of the motor can safely pass through the connecting port without obstruction, and the normal connection of the motor and the multistage centrifugal pump body is ensured.
Furthermore, slots are formed in the outer sides, located on the sliding grooves, of the front end and the rear end of the base plate, and inserting strips are inserted into the slots. Set up slot and cutting, the one end of slot is connected with the spout, when needs carry on spacingly to the mounting bracket, can push into the slot with the cutting to this blocks the mounting bracket, carries on spacingly to it, when needs remove the mounting bracket, takes out the cutting from the slot, can cancel spacing removal mounting bracket.
Furthermore, the equal threaded connection of the one end that first fastening bolt extrudes first screw has the nut, the inside size phase-match of size and slot of cutting. The nut is arranged, the part, protruding out of the first threaded hole, of the first fastening bolt can be fixed by the nut, the stability of the joint of the first fastening bolt and the first threaded hole is ensured, the size of the inserting strip is matched with the size of the inside of the slot, the inserting strip can be ensured to move in the inside of the slot, and the condition that the inserting strip can not automatically move and fall off is ensured to easily occur.
Compared with the prior art, the invention has the advantages that:
(1) the end part of the water inlet is provided with the sealing element which is used for reinforcing the joint of the multistage centrifugal pump body and the water supply pipe, when the multistage centrifugal pump body works, large vibration can be generated, the sealing element can avoid the phenomenon that the water supply pipe falls off from the water inlet due to vibration, the stability of the water inlet is further protected, the end part of the water outlet is provided with the protecting element which is used for protecting the water flow output end of the multistage centrifugal pump body, the water flow strength of the output end is very large due to the conversion of water flow through the multistage centrifugal pump body, if the water outlet is not protected, the water pipe at the water outlet is probably sprayed, and the like, the left half part and the right half part of the protecting element are in threaded connection with the first fastening bolt through the first threaded hole, so that the protecting element has the function of convenient disassembly and assembly, and the sealing, the safety of the water outlet can be ensured.
(2) Set up the mounting bracket, the mounting bracket is assembled by accepting board, landing leg, bottom plate, baffle and forms for the mounting bracket has dismantled and assembled function, if the condition of damage appears in some positions of mounting bracket, can change to the position that appears damaging, can continue to use.
(3) Set up spout and slider, the mounting bracket carries out sliding connection through slider and spout for the mounting bracket has the function of convenient removal, after work is accomplished, through the cooperation of spout and slider, can be more relaxed carries out the split with motor and multistage centrifugal pump body.
(4) Set up the second screw hole, second fastening bolt, after the sealing member passes through connecting pipe and water inlet threaded connection, second screw hole on the sealing member and the second screw hole on the multistage centrifugal pump body just in time are in the state of coincidence, at this moment can carry out the secondary to it through second fastening bolt and consolidate, in order to ensure the stability of being connected of sealing member and water inlet department, set up the third screw hole, third fastening bolt, the third screw hole at mounting panel top is in same position with the third screw hole on the multistage centrifugal pump body, can fix protection piece in water outlet department through third fastening bolt, in order to ensure the stability of being connected of protection piece and water outlet department.
(5) Set up the closing plate, the closing plate can guarantee that multistage centrifugal pump body during operation, and its inside rivers can not ooze from the connector, set up the round hole for the pivot of guaranteeing multistage centrifugal pump body can pass the round hole and be connected with the output of motor.
(6) Set up slot and cutting, the one end of slot is connected with the spout, when needs carry on spacingly to the mounting bracket, can push into the slot with the cutting to this blocks the mounting bracket, carries on spacingly to it, when needs remove the mounting bracket, takes out the cutting from the slot, can cancel spacingly, removes the mounting bracket.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a side view of the mounting portion of the present invention;
FIG. 4 is an enlarged view of the seal portion of the present invention;
FIG. 5 is an enlarged view of the protector portion of the present invention;
fig. 6 is a side view of the left half of the present invention.
The reference numbers in the figures illustrate:
1. a substrate; 2. a mounting frame; 3. a motor; 4. a fixed seat; 5. a multistage centrifugal pump body; 6. a water inlet; 7. an external thread; 8. a seal member; 9. a connecting pipe; 10. an internal thread; 11. a through hole; 12. a water receiving pipe; 13. an anti-slip gasket; 14. a connecting port; 15. a water outlet; 16. a protective member; 17. a left half part; 18. a right half portion; 19. a first threaded hole; 20. a first fastening bolt; 21. sealing gaskets; 201. a bearing plate; 202. a support leg; 203. a base plate; 204. a baffle plate; 22. a chute; 23. a slider; 24. a second threaded hole; 25. a second fastening bolt; 26. mounting a plate; 27. a third threaded hole; 28. a third fastening bolt; 29. a sealing plate; 30. a circular hole; 31. a slot; 32. cutting; 33. and a nut.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-6, a multistage centrifugal pump with a fast-assembling type sealing mechanism comprises a substrate 1, a mounting frame 2 is connected to the left side of the top of the substrate 1 in a sliding manner, a motor 3 is fixedly mounted on the top of the mounting frame 2, a fixed seat 4 is fixedly connected to the right side of the mounting frame 2 on the top of the substrate 1, a multistage centrifugal pump body 5 is fixedly mounted on the top of the fixed seat 4, a water inlet 6 is formed in the left side of the top of the multistage centrifugal pump body 5, external threads 7 are formed in the water inlet 6, a sealing element 8 is connected to the internal threads of the water inlet 6, a connecting pipe 9 is integrally connected to the bottom of the sealing element 8, internal threads 10 matched with the external threads 7 are formed in the outer side of the connecting pipe 9, a through hole 11 is formed in the, the anti-skid gasket 13 is bonded on the inner side of the water receiving pipe 12, the left side of the multistage centrifugal pump body 5 is provided with the connecting port 14, the output end of the motor 3 penetrates through the connecting port 14 to be connected with the multistage centrifugal pump body 5, the top right side of the multistage centrifugal pump body 5 is provided with the water outlet 15, the port of the water outlet 15 is fixedly connected with the protecting piece 16, the protecting piece 16 consists of a left half part 17 and a right half part 18, the insides of the left half part 17 and the right half part 18 are both semicircular, the left side and the right side of the left half part 17 and the right half part 18 are both provided with the first threaded holes 19, the internal threads of the first threaded holes 19 are connected with the first fastening bolts 20. The end part of the water inlet 6 is provided with the sealing part 8, the sealing part 8 is used for reinforcing the joint of the multistage centrifugal pump body 5 and a water supply pipe, when the multistage centrifugal pump body 5 works, large vibration can be generated, the sealing part 8 can avoid the phenomenon that the water supply pipe falls off from the water inlet 6 due to vibration, the stability of the water inlet 6 is further protected, the end part of the water outlet 15 is provided with the protecting part 16, the protecting part 16 is used for protecting the water flow output end of the multistage centrifugal pump body 5, the water flow strength of the output end is huge due to the conversion of water flow through the multistage centrifugal pump body 5, if the water outlet 15 is not protected, the situation that the water pipe at the water outlet 15 is sprayed out and the like can possibly occur, the left half part 17 and the right half part 18 of the protecting part 16 are in threaded connection with the first fastening bolt 20 through the, and a sealing gasket 21 is arranged in the water outlet for reinforcement, so that the safety of the water outlet 15 can be ensured.
Referring to fig. 3, the mounting frame 2 is composed of a receiving plate 201, supporting legs 202, a bottom plate 203 and a baffle 204, the supporting legs 202 are fixedly connected to four corners of the bottom of the receiving plate 201, the bottom of the supporting legs 202 is fixedly connected to the bottom plate 203, and the baffle 204 is fixedly connected to the left side and the right side of the top of the receiving plate 201. Set up mounting bracket 2, mounting bracket 2 is assembled by accepting board 201, landing leg 202, bottom plate 203, baffle 204 and forms for mounting bracket 2 has dismantled and assembled function, if the condition of damage appears in some positions of mounting bracket 2, can change to the position that appears damaging, can continue to use.
Referring to fig. 1-2, the front end and the rear end of the left side of the top of the substrate 1 are both provided with a sliding groove 22, the bottom of the mounting frame 2 is fixedly connected with a sliding block 23 corresponding to the sliding groove 22, and the mounting frame 2 is slidably connected inside the sliding groove 22 through the sliding block 23. Set up spout 22 and slider 23, mounting bracket 2 carries out sliding connection through slider 23 and spout 22 for mounting bracket 2 has the function of convenient removal, after work is accomplished, through the cooperation of spout 22 with slider 23, can be more relaxed carries out the split with motor 3 and multistage centrifugal pump body 5.
Referring to fig. 2 and 4, the sealing member 8 has second threaded holes 24 formed at four corners of the top thereof, the top of the multistage centrifugal pump body 5, which is located outside the water inlet 6 and corresponds to the second threaded holes 24, has second threaded holes 24, and the second threaded holes 24 are threadedly connected to second fastening bolts 25. The second threaded holes 24 and the second fastening bolts 25 are arranged, after the sealing element 8 is in threaded connection with the water inlet 6 through the connecting pipe 9, the second threaded holes 24 in the sealing element 8 and the second threaded holes 24 in the multistage centrifugal pump body 5 are just in a superposed state, and then secondary reinforcement can be carried out on the sealing element 8 and the water inlet 6 through the second fastening bolts 25, so that the connection stability of the sealing element 8 and the water inlet 6 is ensured.
Referring to fig. 2 and 5, the bottom of the left half 17 and the bottom of the right half 18 are integrally connected with a mounting plate 26, third threaded holes 27 are formed in the top of the multistage centrifugal pump body 5 around the water outlet 15, third threaded holes 27 are also formed in the top of the mounting plate 26 corresponding to the third threaded holes 27, and third fastening bolts 28 are threadedly connected to the inside of the third threaded holes 27. The third threaded hole 27 and the third fastening bolt 28 are arranged, the third threaded hole 27 at the top of the mounting plate 26 and the third threaded hole 27 on the multistage centrifugal pump body 5 are located at the same position, and the protective piece 16 can be fixed at the water outlet 15 through the third fastening bolt 28, so that the connection stability of the protective piece 16 and the water outlet 15 is ensured.
Referring to fig. 2, a sealing plate 29 is fixedly connected to the left side of the interior of the multistage centrifugal pump body 5 at the position of the connection port 14, and a circular hole 30 is formed in the center of the sealing plate 29. The sealing plate 29 is arranged, the sealing plate 29 can ensure that when the multistage centrifugal pump body 5 works, water flow in the multistage centrifugal pump body cannot seep out from the connecting port 14, and the round hole 30 is formed for ensuring that the rotating shaft of the multistage centrifugal pump body 5 can penetrate through the round hole 30 to be connected with the output end of the motor 3.
Referring to fig. 1-2, the output end of the motor 3 is on the same horizontal line with the connection port 14 on the left side of the multistage centrifugal pump body 5. The output end of the motor 3 and the connecting port 14 are positioned on the same horizontal line, so that the output end of the motor 3 can safely pass through the connecting port 14 without obstruction, and the normal connection of the motor 3 and the multistage centrifugal pump body 5 is ensured.
Referring to fig. 1, slots 31 are formed at the front and rear ends of the substrate 1 at the outer sides of the sliding slots 22, and inserting strips 32 are inserted into the slots 31. Set up slot 31 and cutting 32, the one end of slot 31 is connected with spout 22, when needs carry on spacingly to mounting bracket 2, can push into slot 31 with cutting 32 to this blocks mounting bracket 2, carries on spacingly to it, when needs remove mounting bracket 2, takes out cutting 32 from slot 31, can cancel spacing removal mounting bracket 2.
Referring to fig. 1 and 5, a nut 33 is screwed to an end of the first fastening bolt 20 protruding the first threaded hole 19, and the size of the insert bar 32 matches the inner size of the slot 31. The nut 33 is arranged, the nut 33 can fix the part of the first fastening bolt 20 protruding out of the first threaded hole 19 so as to ensure the stability of the joint of the first fastening bolt 20 and the first threaded hole 19, the size of the insert strip 32 is matched with the size of the inside of the slot 31, the insert strip 32 can be ensured to move in the slot 31, and the condition that the insert strip 32 can not easily move and fall off by itself is also ensured.
When the multistage centrifugal pump is used, a worker firstly extracts the insertion strips 32 in the slots 31, then pushes the mounting frame 2, so that the output end of the motor 3 penetrates through the connecting port 14 of the multistage centrifugal pump body 5 to be connected with the multistage centrifugal pump body 5, the sliding grooves 22 are matched with the sliding blocks 23, so that more labor can be saved when the mounting frame 2 is pushed, after the output end of the motor 3 is connected with the multistage centrifugal pump body 5, the insertion strips 32 are newly inserted into the slots 31 to ensure that the mounting frame 2 cannot move due to shaking during work, then the worker connects the sealing piece 8 with the water inlet 6 through the connecting pipe 9 in a threaded manner, the second threaded holes 24 on the sealing piece 8 and the second threaded holes 24 on the multistage centrifugal pump body 5 are just in a superposed state after threaded connection, and then the second fastening bolts 25 can be used for secondary reinforcement, so as to ensure the connection stability between the sealing element 8 and the water inlet 6, then the worker inserts the water guiding pipe into the water receiving pipe 12 of the sealing element 8, the anti-skid gasket 13 on the inner wall of the water receiving pipe 12 can ensure that the inserted water guiding pipe cannot easily shake, after the fixing is completed, the worker installs the protecting element 16 at the water outlet 15, because the third threaded hole 27 on the top of the mounting plate 26 and the third threaded hole 27 on the multistage centrifugal pump body 5 are in the same position, the protecting element 16 can be fixed at the water outlet 15 through the third fastening bolt 28 so as to ensure the connection stability between the protecting element 16 and the water outlet 15, the protecting element 16 is used for protecting the water flow output end of the multistage centrifugal pump body 5, because the water flow is converted by the multistage centrifugal pump body 5, the water flow strength at the output end is very large, if the water outlet 15 is not protected, the situation that the water, the left half part 17 and the right half part 18 of the protection piece 16 are in threaded connection with the first fastening bolt 20 through the first threaded hole 19, so that the protection piece has the function of being convenient to disassemble and assemble, the sealing gasket 21 is arranged in the protection piece for reinforcement, the safety of the water outlet 15 can be guaranteed, and after the water inlet 6 and the water outlet 15 are installed, a worker can start the motor 3 to control the multistage centrifugal pump body 5 to start working.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (7)
1. A multistage centrifugal pump with a quick-fit sealing mechanism, comprising a base plate (1), characterized in that: the top left side sliding connection of base plate (1) has mounting bracket (2), the top fixed mounting of mounting bracket (2) has motor (3), the top of base plate (1) is located the right side fixedly connected with fixing base (4) of mounting bracket (2), the top fixed mounting of fixing base (4) has multistage centrifugal pump body (5), water inlet (6) have been seted up on the top left side of multistage centrifugal pump body (5), the inside of water inlet (6) is equipped with external screw thread (7), the inside threaded connection of water inlet (6) has sealing member (8), the bottom integral type of sealing member (8) is connected with connecting pipe (9), the outside of connecting pipe (9) is equipped with internal thread (10) with external screw thread (7) assorted, through-hole (11) have been seted up to the position that the inside of sealing member (8) corresponds connecting pipe (9), the top of sealing member (8) is connected with water receiving pipe (12) with the corresponding position integral type of through-hole (11), the inboard of water receiving pipe (12) bonds and has anti-skidding gasket (13), connector (14) have been seted up on the left side of multistage centrifugal pump body (5), the output of motor (3) passes connector (14) and is connected with multistage centrifugal pump body (5), delivery port (15) have been seted up on the top right side of multistage centrifugal pump body (5), the port department fixedly connected with protection piece (16) of delivery port (15), protection piece (16) comprise left half (17) and right half (18), the inside of left half (17) and right half (18) all is the semicircle, first screw hole (19) have all been seted up with the corresponding position in the left and right sides of right half (18) in left half (17), the internal thread connection of first screw hole (19) has first fastening bolt (20), sealing gaskets (21) are bonded in the left half part (17) and the right half part (18); second threaded holes (24) are formed in four corners of the top of the sealing element (8), second threaded holes (24) are also formed in the positions, corresponding to the second threaded holes (24), of the top of the multistage centrifugal pump body (5), which are located on the outer side of the water inlet (6), and the inner threads of the second threaded holes (24) are connected with second fastening bolts (25); the bottom homogeneous body formula of left half (17) and right half (18) is connected with mounting panel (26), third screw hole (27) have all been seted up all around that the top of multistage centrifugal pump body (5) is located delivery port (15), third screw hole (27) have also been seted up with the corresponding position of third screw hole (27) in the top of mounting panel (26), the internal thread of third screw hole (27) is connected with third fastening bolt (28).
2. The multistage centrifugal pump with a quick-fit sealing mechanism according to claim 1, characterized in that: mounting bracket (2) comprises accepting board (201), landing leg (202), bottom plate (203), baffle (204), accept the equal fixedly connected with landing leg (202) of four corners in bottom of board (201), the equal fixedly connected with bottom plate (203) in bottom of landing leg (202), accept the equal fixedly connected with baffle (204) of the top left and right sides of board (201).
3. A multistage centrifugal pump with a quick-fit seal mechanism according to claim 2, wherein: spout (22) have all been seted up at both ends around the top left side of base plate (1), the bottom of mounting bracket (2) corresponds position fixedly connected with slider (23) of spout (22), mounting bracket (2) are through slider (23) at the inside sliding connection of spout (22).
4. A multistage centrifugal pump with a quick-fit seal mechanism according to claim 3, wherein: the multi-stage centrifugal pump is characterized in that a sealing plate (29) is fixedly connected to the position, located on the connecting port (14), of the left side of the inside of the multi-stage centrifugal pump body (5), and a round hole (30) is formed in the center of the sealing plate (29).
5. The multistage centrifugal pump with a quick-fit sealing mechanism according to claim 4, characterized in that: the output end of the motor (3) and a connecting port (14) on the left side of the multistage centrifugal pump body (5) are positioned on the same horizontal line.
6. The multistage centrifugal pump with a quick-fit sealing mechanism according to claim 5, wherein: the front end and the rear end of the base plate (1) are positioned on the outer side of the sliding groove (22) and are provided with inserting grooves (31), and inserting strips (32) are inserted into the inserting grooves (31).
7. The multistage centrifugal pump with a quick-fit sealing mechanism according to claim 6, characterized in that: the one end that first fastening bolt (20) are outstanding first screw hole (19) all threaded connection have nut (33), the inside size phase-match of size and slot (31) of cutting (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011440986.6A CN112555162A (en) | 2021-02-03 | 2021-02-03 | Multistage centrifugal pump with ready-package sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011440986.6A CN112555162A (en) | 2021-02-03 | 2021-02-03 | Multistage centrifugal pump with ready-package sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112555162A true CN112555162A (en) | 2021-03-26 |
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ID=75062147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011440986.6A Withdrawn CN112555162A (en) | 2021-02-03 | 2021-02-03 | Multistage centrifugal pump with ready-package sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112555162A (en) |
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Application publication date: 20210326 |
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