CN213450998U - Turbine pump case with impeller clearance convenient to adjust - Google Patents
Turbine pump case with impeller clearance convenient to adjust Download PDFInfo
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- CN213450998U CN213450998U CN202021699906.4U CN202021699906U CN213450998U CN 213450998 U CN213450998 U CN 213450998U CN 202021699906 U CN202021699906 U CN 202021699906U CN 213450998 U CN213450998 U CN 213450998U
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Abstract
The utility model relates to the technical field of water pump accessories, in particular to a turbine pump shell with an impeller clearance convenient to adjust; the water receiving pipe is fixedly connected with the end cover plate through a connecting piece, a clamping convex ring is arranged on the outer circular surface of the water receiving pipe positioned in the end cover plate, the front end of the inner adjusting pump cover is sleeved on the water receiving pipe in the end cover plate, a clamping annular groove matched with the clamping convex ring is formed in the inner circular wall of the front end of the inner adjusting pump cover, and an adjusting sliding ring is connected to the outer circular surface of the rear end of the inner adjusting pump cover; the utility model discloses a rotating adjusting bolt can realize effectively having improved the problem that flow, lift of water pump descend to the clearance adjustment between the impeller and the pump body, need not change accessories such as impeller, pump cover on the water pump, its novel structure, excellent effect, practicality are strong.
Description
Technical Field
The utility model relates to a water pump accessory technical field specifically discloses a turbine pump case that wheel clearance is convenient for adjust.
Background
The water pump is a machine for conveying liquid or pressurizing liquid, and can transfer the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc. The water pump mainly comprises a turbine pump shell, a transmission pump shaft, a pump body motor and an impeller, wherein the impeller is connected with the end part of the transmission pump shaft and arranged in the turbine pump shell, and air in the turbine pump shell is discharged under the driving action of the pump body motor, so that liquid is sucked and discharged. However, in the process of long-time operation of the water pump, the impeller of the water pump is abraded or deformed, so that the gap between the impeller and the turbine pump shell is increased, and thus, the flow rate and the lift are reduced, and a user cannot normally produce the water pump. In the long-time use of water pump, the user must often change impeller, pump cover accessory in order to guarantee water pump normal operating, and it causes economic loss, and its process of overhauing, changing the water pump accessory is comparatively complicated moreover, needs professional to maintain, change, has caused unnecessary trouble.
SUMMERY OF THE UTILITY MODEL
The utility model aims at current water pump at long-time operation in-process, some row's problems that its impeller leads to clearance grow between impeller and the turbopump shell because of wearing and tearing, deformation, designs the turbopump shell that an impeller clearance is convenient for adjust.
The utility model discloses a realize through following technical scheme:
a turbine pump shell with an impeller gap convenient to adjust comprises a rear pump body, an outer fixed pump cover and an inner adjusting pump cover, wherein the outer fixed pump cover comprises a water receiving pipe and an end cover plate which are integrally formed, the rear pump body is fixedly connected with the end cover plate through a connecting piece, a clamping convex ring is arranged on the outer circular surface of the water receiving pipe inside the end cover plate, the front end of the inner adjusting pump cover is sleeved on the water receiving pipe inside the end cover plate, a clamping ring groove matched with the clamping convex ring is arranged on the inner circular wall of the front end of the inner adjusting pump cover, an adjusting sliding ring is connected to the outer circular surface of the rear end of the inner adjusting pump cover, an annular sliding groove is arranged on the inner circular wall of the front end of the rear pump body, the adjusting sliding ring on the inner adjusting pump cover is arranged in the annular sliding groove, the adjusting sliding ring and the annular sliding groove are sealed, and a plurality of compression springs, the front ends of the compression springs are connected with the adjusting slip ring, the front side face of the end cover plate is evenly connected with a plurality of threaded cylinders, penetrating internal threads are formed in the threaded cylinders, adjusting bolts are screwed in the threaded cylinders, the front ends of the adjusting bolts are connected with screwing caps, abutting blocks corresponding to the adjusting bolts are arranged on the front side face of the inner adjusting pump cover, and the upper end of the rear pump body is connected with a drain pipe.
As a further arrangement of the scheme, a pump shaft hole is formed in the right end of the rear pump body, a sealing assembly is arranged in the pump shaft hole, and the rear end of the rear pump body is connected with a connecting frame connected with a motor.
As a further arrangement of the scheme, the sealing assembly comprises a water seal, an oil seal and a bearing, and the water seal, the oil seal and the bearing are sequentially arranged in the pump shaft hole from front to back.
As a further arrangement of the above scheme, a connecting clamping groove is formed in the rear side surface of the connecting frame, and a plurality of connecting through holes are formed in the end portion of the connecting clamping groove.
As a further arrangement of the scheme, the end parts of the water receiving pipe and the water discharging pipe are both connected with pipeline connecting flanges.
As a further arrangement of the above scheme, a sealing ring is arranged on the outer circular surface of the adjusting slip ring, and the sealing ring is in butt joint with the bottom wall of the annular sliding groove to realize sealing connection.
As a further arrangement of the scheme, the number of the thread cylinders arranged on the front side surface of the end cover plate is three, and the thread cylinders are uniformly arranged on the end cover plate in an annular array.
As a further arrangement of the scheme, the inner adjusting pump cover is made of elastic hard plastics.
Compared with the prior art, the utility model, its beneficial effect:
1) the utility model changes the traditional turbine pump shell into the turbine pump shell consisting of a rear pump body, an external fixed pump cover and an internal adjusting pump cover, when the gap between the impeller gap and the front end cover of the pump body is enlarged due to long-time operation of the water pump, an operator can screw the adjusting bolt on the external fixed pump cover to enable the rear end of the adjusting bolt to move towards the abutting block of the front side surface of the internal adjusting pump cover, and is contacted with the abutting block, the inner adjusting pump cover between the outer fixed pump cover and the inner adjusting pump cover can be pressed towards the rear end by continuously screwing the adjusting bolt, and the inner adjusting pump cover is made of elastic hard plastics, the water pump cover has certain elasticity, so that the outer end of the inner adjusting pump cover moves backwards along the annular sliding groove, the gap between the impeller and the inner adjusting pump cover is gradually reduced, the problem of reduction of the flow and the lift of the water pump is effectively solved, and accessories such as the impeller and the pump cover on the water pump do not need to be replaced.
2) The utility model discloses an its project organization of turbopump case is fairly simple, when the clearance between impeller and the pump cover is adjusted to needs, only need with a plurality of adjusting bolt twist move can, its operation is more convenient, need not change corresponding accessory, has greatly reduced the use cost of water pump, whole adjustment process non professional also can operate, its extensive applicability, practicality are strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front plan view of the present invention;
fig. 2 is a side internal plan view of the present invention;
FIG. 3 is a side plan view of the middle and rear pump bodies and the external fixed pump cover of the present invention when disassembled;
FIG. 4 is a side plan view of the inner adjustment pump cover of the present invention;
fig. 5 is an enlarged structural view at a in fig. 2.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", and,
The terms "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like, refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 5, in conjunction with the embodiments.
The utility model provides a turbine pump case that impeller clearance is convenient for adjust, its major structure includes the back pump body 1, external fixation pump cover 2 and interior regulation pump cover 3, and the back pump body 1, external fixation pump cover 2 are the metal liquid casting shaping thereafter, and interior regulation pump cover 3 is made by elasticity rigid plastic. The external fixed pump cover 2 comprises a water receiving pipe 201 and an end cover plate 202 which are integrally formed, the rear pump body 1 and the end cover plate 202 are fixedly connected through a connecting piece 4, and the connecting piece 4 can be selected from connecting bolts.
Be provided with joint bulge loop 203 on being located the inside water receiving pipe 201 excircle face of end cover plate 202, the front end cover of interior regulation pump cover 3 is established on the inside water receiving pipe 201 of end cover plate 202 to set up on the inner circular wall of front end of interior regulation pump cover 3 with joint bulge loop 203 matched with joint annular 301, realize being connected between external fixation pump cover 2 and the interior regulation pump cover 3 through the cooperation between joint bulge loop 203 and the joint annular 301.
The outer circular surface of the rear end of the inner adjusting pump cover 3 is connected with an adjusting sliding ring 302, the inner circular wall of the front end of the rear pump body 1 is provided with an annular sliding groove 101, the adjusting sliding ring 302 on the inner adjusting pump cover 3 is arranged in the annular sliding groove 101, the adjusting sliding ring 302 and the annular sliding groove 101 are arranged in a sealing mode, specifically, the outer circular surface of the adjusting sliding ring 302 is provided with a sealing ring 303, and the sealing ring 303 and the bottom wall of the annular sliding groove 101 are connected in a sealing mode in an abutting mode. A plurality of compression springs 5 are uniformly connected to the rear wall of the annular chute 101, and the front ends of the compression springs 5 are connected with the adjusting slip ring 302.
Evenly be connected with a plurality of screw thread section of thick bamboo 6 at the leading flank of end cover plate 202, specifically the screw thread section of thick bamboo 6 that its end cover plate 202 leading flank set up is three, and be the annular array and evenly set up and seted up the internal thread (not mark in the figure) that runs through in screw thread section of thick bamboo 6, the spiro union has adjusting bolt 7 in the screw thread section of thick bamboo 6, adjusting bolt 7's front end is connected with twists the cap 8, the leading flank that is located interior regulation pump cover 3 is provided with the butt joint piece 9 corresponding with every adjusting bolt 7, the upper end of the back pump body 1 is connected with drain pipe 104, all be connected with pipe connection flange 13 at the tip of water receiving pipe 201 and drain pipe 104 simultaneously, can be connected with external water pipe with the turbopump case.
In addition, a pump shaft hole 102 is formed at the right end of the rear pump body 1, a sealing assembly 103 is arranged in the pump shaft hole 102, and the rear end of the rear pump body 1 is connected with a connecting frame 10 connected with a motor. Specifically, the seal assembly 103 includes a water seal 1031, an oil seal 1032 and a bearing 1033, and the water seal 1031, the oil seal 1032 and the bearing 1033 are arranged in the pump shaft hole 102 from front to back in sequence. A connecting clamping groove 11 is formed in the rear side face of the connecting frame 10, and a plurality of connecting through holes 12 are formed in the end portion of the connecting clamping groove 11; the arrangement of the connecting clamping grooves 11 and the connecting through holes 12 on the connecting frame 10 facilitates the connection of the whole turbine pump shell and a pump body motor (not shown in the figure).
The utility model discloses a concrete implementation is used and theory of operation:
the utility model discloses a normal use carries out after turbopump case and pump body motor are connected, along with the long-time operation of whole water pump, the operation personnel can discover that whole convenient pump water efficiency reduces, the lift of whole water pump descends, and the operation personnel can judge a series of problems that cause because of the clearance grow between impeller and the pump body protecgulum this moment.
The operation personnel need not to unpack the back pump body 1 with external fixation pump cover 2 apart, the operation personnel only need twist the cap 8 of twisting of adjusting bolt 7 outer end, make adjusting bolt 7 rotate and inwards adjust the butt piece 9 department on the pump cover 3 and remove in the screw thread section of thick bamboo 6, then adjusting bolt 7 promotes whole interior regulation pump cover 3's excircle end rear end, it mainly because interior regulation pump cover 3 is to have certain elastic rigid plastic to make, it adjusts the sliding ring 302 can remove to the rear end along annular spout 101 on the pump cover 3, further compress compression spring 5 simultaneously, can reduce the space between interior regulation pump cover 3 and the back pump body 1 this moment, can realize adjusting the clearance between impeller and the pump cover, pump efficiency and the lift of its water pump resume to normal.
The whole process is simple to operate, the impeller clearance in the turbine pump shell can be adjusted, and the turbine pump shell adjusting device is novel in structure, excellent in effect and high in practicability.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A turbine pump shell with an impeller gap convenient to adjust is characterized by comprising a rear pump body (1), an outer fixed pump cover (2) and an inner adjusting pump cover (3), wherein the outer fixed pump cover (2) comprises a water receiving pipe (201) and an end cover plate (202) which are integrally formed, the rear pump body (1) is fixedly connected with the end cover plate (202) through a connecting piece (4), a clamping convex ring (203) is arranged on the outer circular surface of the water receiving pipe (201) inside the end cover plate (202), the front end of the inner adjusting pump cover (3) is sleeved on the water receiving pipe (201) inside the end cover plate (202), a clamping annular groove (301) matched with the clamping convex ring (203) is formed in the inner circular wall of the front end of the inner adjusting pump cover (3), an adjusting sliding ring (302) is connected to the outer circular surface of the rear end of the inner adjusting pump cover (3), an annular sliding groove (101) is formed in the inner circular wall of the front end of the rear pump body (1), adjusting slip ring (302) on interior regulation pump cover (3) set up in annular spout (101), and adjust and seal the setting between slip ring (302) and annular spout (101), evenly be connected with a plurality of compression spring (5) on the back cell wall of annular spout (101), the front end of a plurality of compression spring (5) is connected with adjusting slip ring (302), the leading flank of end cover board (202) evenly is connected with a plurality of screw thread section of thick bamboo (6), it has the internal thread that runs through to open in screw thread section of thick bamboo (6), spiro union has adjusting bolt (7) in screw thread section of thick bamboo (6), the front end of adjusting bolt (7) is connected with twists cap (8), and the leading flank that is located interior regulation pump cover (3) is provided with and supports piece (9) corresponding with every adjusting bolt (7), the upper end of the back pump body (1) is connected with drain pipe (104).
2. The turbine pump casing with the conveniently-adjusted impeller clearance as claimed in claim 1, wherein a pump shaft hole (102) is formed in the right end of the rear pump body (1), a sealing assembly (103) is arranged in the pump shaft hole (102), and a connecting frame (10) connected with a motor is connected to the rear end of the rear pump body (1).
3. A turbine pump casing with an adjustable wheel clearance, according to claim 2, characterized in that the sealing assembly (103) comprises a water seal (1031), an oil seal (1032) and a bearing (1033), and the water seal (1031), the oil seal (1032) and the bearing (1033) are sequentially arranged in the pump shaft hole (102) from front to back.
4. The turbine pump casing with the conveniently-adjusted impeller clearance as claimed in claim 3, wherein a connecting clamping groove (11) is formed in the rear side surface of the connecting frame (10), and a plurality of connecting through holes (12) are formed in the end portion of the connecting clamping groove (11).
5. The turbine pump casing with the conveniently-adjusted impeller gap as claimed in claim 1, characterized in that the end parts of the water receiving pipe (201) and the water discharging pipe (104) are connected with pipeline connecting flanges (13).
6. The turbine pump shell with the conveniently-adjusted impeller clearance as claimed in claim 1, wherein a sealing ring (303) is arranged on the outer circular surface of the adjusting sliding ring (302), and the sealing ring (303) is in abutting connection with the bottom wall of the annular sliding groove (101) to realize sealing connection.
7. The turbine pump casing with the conveniently-adjusted impeller clearance as claimed in claim 1, characterized in that the number of the threaded cylinders (6) arranged on the front side of the end cover plate (202) is three, and the threaded cylinders are uniformly arranged on the end cover plate (202) in an annular array.
8. The turbine pump casing with the adjustable impeller clearance as claimed in claim 1, characterized in that the inner adjusting pump cover (3) is made of elastic hard plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699906.4U CN213450998U (en) | 2020-08-15 | 2020-08-15 | Turbine pump case with impeller clearance convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699906.4U CN213450998U (en) | 2020-08-15 | 2020-08-15 | Turbine pump case with impeller clearance convenient to adjust |
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| Publication Number | Publication Date |
|---|---|
| CN213450998U true CN213450998U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021699906.4U Active CN213450998U (en) | 2020-08-15 | 2020-08-15 | Turbine pump case with impeller clearance convenient to adjust |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607612A (en) * | 2022-03-25 | 2022-06-10 | 淄博水环真空泵厂有限公司 | Method for adjusting air flow of water ring vacuum pump |
| CN114673659A (en) * | 2022-03-29 | 2022-06-28 | 华能伊敏煤电有限责任公司 | Can dismantle desulfurization circulating water pump of replacement |
-
2020
- 2020-08-15 CN CN202021699906.4U patent/CN213450998U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607612A (en) * | 2022-03-25 | 2022-06-10 | 淄博水环真空泵厂有限公司 | Method for adjusting air flow of water ring vacuum pump |
| CN114607612B (en) * | 2022-03-25 | 2022-09-02 | 淄博水环真空泵厂有限公司 | Method for adjusting air flow of water ring vacuum pump |
| CN114673659A (en) * | 2022-03-29 | 2022-06-28 | 华能伊敏煤电有限责任公司 | Can dismantle desulfurization circulating water pump of replacement |
| CN114673659B (en) * | 2022-03-29 | 2023-06-23 | 华能伊敏煤电有限责任公司 | Detachable and replaceable desulfurization circulating water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230825 Address after: No. 1, North Shou, Pushuwan Road, Puxi Town, Yangzhou Economic Development Zone, Jiangsu Province, 225000 Patentee after: Yangzhou Litan Precision Manufacturing Co.,Ltd. Address before: 225600 No.85, Xingqu Road, Chengnan New Economic Zone, Gaoyou City, Yangzhou City, Jiangsu Province Patentee before: Younis industrial service Gaoyou Co.,Ltd. |
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| TR01 | Transfer of patent right |