CN214742099U - Horizontal stainless steel multistage pump with improved pump core fastening structure - Google Patents
Horizontal stainless steel multistage pump with improved pump core fastening structure Download PDFInfo
- Publication number
- CN214742099U CN214742099U CN202120940451.9U CN202120940451U CN214742099U CN 214742099 U CN214742099 U CN 214742099U CN 202120940451 U CN202120940451 U CN 202120940451U CN 214742099 U CN214742099 U CN 214742099U
- Authority
- CN
- China
- Prior art keywords
- end cover
- connecting seat
- nut
- pump
- stainless steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an improve horizontal stainless steel multistage pump of pump core fastening structure, solve the welding slope scheduling problem that prior art exists, the technical scheme of adoption: at least one set up a plurality of connecting seats on the end cover, the connecting seat includes connecting seat main part, founds portion and engaging lug, found portion, connecting seat main part reaches form the nut between the end cover and hold the chamber, the engaging lug laminating is welded on the surface of end cover. The method has the following effects: the connecting seat is welded on one end cover, the bolt can be adopted as the connecting piece to enable the two end covers to be assembled with the impeller together, the shape of the connecting seat increases the welding area, the nut matched with the bolt is a universal nut, welding is not needed, inclination is avoided, assembling reliability is improved, the nut is only required to be assembled at one end of the bolt, assembling procedures are reduced, assembling efficiency is improved, and the effect of preventing the nut from loosening is achieved.
Description
Technical Field
The utility model relates to a multistage pump especially relates to an improve horizontal stainless steel multistage pump of pump core fastening structure.
Background
The existing horizontal stainless steel multistage pump comprises a pump body, an impeller string arranged in the pump body, and end covers which are respectively matched with two ends of the impeller string and are connected through a connecting piece. Usually, the connecting piece is a pull rod with double threads, one end of the pull rod is in threaded connection with a thick nut, and the other end of the pull rod is locked by a self-locking nut.
The problem that current horizontal stainless steel multistage pump exists: 1. the radial dimension of a thick nut (such as a thick nut with the specification of M6/M8) is small, and the thick nut can be welded on the end cover only by spot welding at two sides of the rear nut, and the welding mode is insufficient in welding strength, easy to break, easy to have insufficient welding, and unreliable in welding. 2. The end face area of the thick nut is small, and even if a tool is used for fixing the thick nut for welding, the problem of oblique welding of the thick nut is easy to occur, and the assembly of the connecting piece is influenced. 3. The self-locking nut is high in price, and the situation of broken teeth is easy to occur when the plastic insert is known to be tightened. 4. For the application in hot water environment, the self-locking nut can be loosened.
Disclosure of Invention
An object of the utility model is to solve the above-mentioned problem that prior art exists and provide a improve horizontal stainless steel multistage pump of pump core fastening structure, welded connection seat on an end cover, can adopt the bolt to make two end covers and impeller assembly together for the connecting piece, the shape of connecting seat increases welding area, be general nut with bolt complex nut, need not the welding, avoid inclining, improve the assembly reliability, and only need be at one end assembly nut of bolt, reduce the assembly process, improve assembly efficiency, and have and prevent that the nut pine from taking off the effect.
The above technical purpose of the present invention is mainly solved by the following technical solutions: improve horizontal stainless steel multistage pump of pump core fastening structure, including the pump body, set up impeller cluster in the pump body, respectively with the both ends complex end cover of impeller cluster, two the end cover passes through the connecting piece to be connected, its characterized in that at least one set up a plurality of connecting seats on the end cover, the connecting seat includes connecting seat main part, founds portion and engaging lug, the one end of founding the portion is founded on the surface of end cover, the other end of founding the portion supports connecting seat main part, found the portion, connecting seat main part reaches form the nut between the end cover and hold the chamber, the engaging lug laminating is welded on the surface of end cover, the one end of connecting piece insert connecting hole on the connecting seat main part, and with the bolt spiro union in the nut holds the chamber. The connecting seat is welded on one end cover, the bolt can be adopted as the connecting piece to enable the two end covers to be assembled with the impeller together, the shape of the connecting seat increases the welding area, the nut matched with the bolt is a universal nut, welding is not needed, inclination is avoided, assembling reliability is improved, the nut is only required to be assembled at one end of the bolt, assembling procedures are reduced, assembling efficiency is improved, and the effect of preventing the nut from loosening is achieved.
In particular, the lugs are used for welding, greatly increasing the welding area. The connecting seat main part is flat, and the connecting seat main part is provided with a connecting hole for the screw rod part of the bolt to pass through. In general, in order to improve the welding efficiency of the connection socket and the efficiency of assembling the nut, the connection socket is formed by bending a flat plate.
As further improvement and supplement to the above technical scheme, the utility model discloses a following technical measure:
in order to save space and make the structure compact, the connecting seat is arranged on the surface of the end cover facing the impeller.
The connecting piece is a bolt, the connecting piece sequentially penetrates through a corresponding connecting hole in the end cover and a connecting hole in the connecting seat, and a screw head on the connecting piece is in interference fit with the outer surface of the corresponding end cover.
In order to improve the connection reliability and stability, the connecting seats are distributed in central symmetry.
The utility model discloses beneficial effect who has: 1. the connecting seat is welded on one end cover, the bolt can be adopted as the connecting piece to enable the two end covers to be assembled with the impeller together, the shape of the connecting seat increases the welding area, the nut matched with the bolt is a universal nut, welding is not needed, inclination is avoided, assembling reliability is improved, the nut is only required to be assembled at one end of the bolt, assembling procedures are reduced, assembling efficiency is improved, and the effect of preventing the nut from loosening is achieved. 2. The connecting lug is used for welding, and the welding area is greatly increased. The connecting seat main part is flat, and the connecting seat main part is provided with a connecting hole for the screw rod part of the bolt to pass through. In general, in order to improve the welding efficiency of the connection socket and the efficiency of assembling the nut, the connection socket is formed by bending a flat plate. 3. In order to save space and make the structure compact, the connecting seat is arranged on the surface of the end cover facing the impeller.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of an end cap according to the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1 and 2, the horizontal stainless steel multistage pump with the improved pump core fastening structure comprises a pump body 1, an impeller string 2 arranged in the pump body, and end covers 3 and 4 respectively matched with two ends of the impeller string, wherein the two end covers are connected through a connecting piece 5.
At least one of the end caps is provided with a plurality of connecting seats 6, one end cap can be provided with the connecting seat, and two end caps can be provided with the connecting seats. If set up the connecting seat on an end cover, then the connecting piece adopts the bolt, can further improve assembly efficiency and assembly stability.
Normally, the connecting socket is generally provided on the inner end cap 3 from the viewpoint of easy assembly and compact structure.
The connecting seat 6 comprises a connecting seat main portion 61, a standing portion 62 and a connecting lug 63, one end of the standing portion stands on the surface of the end cover, the other end of the standing portion supports the connecting seat main portion, the standing portion, the connecting seat main portion and the end cover form a nut containing cavity 7, the connecting lug is attached to and welded on the surface of the end cover, and one end of the connecting piece is inserted into a connecting hole 64 in the connecting seat main portion and is in threaded connection with a bolt in the nut containing cavity. The connecting seat is welded on one end cover, the bolt can be adopted as the connecting piece to enable the two end covers to be assembled with the impeller together, the shape of the connecting seat increases the welding area, the nut matched with the bolt is a universal nut, welding is not needed, inclination is avoided, assembling reliability is improved, the nut is only required to be assembled at one end of the bolt, assembling procedures are reduced, assembling efficiency is improved, and the effect of preventing the nut from loosening is achieved.
In particular, the lugs are used for welding, greatly increasing the welding area. The connecting seat main portion 61 is a flat plate shape, and is provided with a connecting hole for a screw portion of a bolt to pass through. In general, in order to improve the welding efficiency of the connection socket and the efficiency of assembling the nut, the connection socket is formed by bending a flat plate.
In order to save space and make the structure compact, the connecting seat is arranged on the surface of the end cover facing the impeller.
The connecting piece 5 is a bolt, the connecting piece sequentially penetrates through a corresponding connecting hole in the end cover and a connecting hole in the connecting seat, and a screw head 51 on the connecting piece is in interference fit with the outer surface of the corresponding end cover.
In order to improve the connection reliability and stability, the connecting seats 6 are distributed in a central symmetry manner.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. In the above embodiments, the present invention may be variously modified and changed. 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 (5)
1. Improve horizontal stainless steel multistage pump of pump core fastening structure, including the pump body, set up impeller cluster in the pump body, respectively with the both ends complex end cover of impeller cluster, two the end cover passes through the connecting piece to be connected, its characterized in that at least one set up a plurality of connecting seats on the end cover, the connecting seat includes connecting seat main part, founds portion and engaging lug, the one end of founding the portion is founded on the surface of end cover, the other end of founding the portion supports connecting seat main part, found the portion, connecting seat main part reaches form the nut between the end cover and hold the chamber, the engaging lug laminating is welded on the surface of end cover, the one end of connecting piece insert connecting hole on the connecting seat main part, and with the bolt spiro union in the nut holds the chamber.
2. The horizontal stainless steel multistage pump with the improved pump core fastening structure as claimed in claim 1, wherein the connecting seat is provided on a surface of the end cover facing the impeller.
3. The horizontal stainless steel multistage pump with the improved pump core fastening structure as claimed in claim 1 or 2, wherein the connecting member is a bolt, the connecting member sequentially passes through a corresponding connecting hole on the end cover and a connecting hole on the connecting seat, and a screw head on the connecting member forms interference fit with an outer surface of the corresponding end cover.
4. The horizontal stainless steel multistage pump with the improved pump core fastening structure as claimed in claim 1 or 2, wherein the connecting seats are distributed in a central symmetry manner.
5. The horizontal stainless steel multistage pump with the improved pump core fastening structure as claimed in claim 3, wherein the connecting seats are distributed in a central symmetry manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120940451.9U CN214742099U (en) | 2021-04-30 | 2021-04-30 | Horizontal stainless steel multistage pump with improved pump core fastening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120940451.9U CN214742099U (en) | 2021-04-30 | 2021-04-30 | Horizontal stainless steel multistage pump with improved pump core fastening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214742099U true CN214742099U (en) | 2021-11-16 |
Family
ID=78616272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120940451.9U Active CN214742099U (en) | 2021-04-30 | 2021-04-30 | Horizontal stainless steel multistage pump with improved pump core fastening structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214742099U (en) |
-
2021
- 2021-04-30 CN CN202120940451.9U patent/CN214742099U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214742099U (en) | Horizontal stainless steel multistage pump with improved pump core fastening structure | |
| CN214397073U (en) | Simply install bicycle frame | |
| CN218493694U (en) | Connecting structure for bottom of rocket tank and engine | |
| CN208491888U (en) | A kind of detachable boiler handle arrangement | |
| CN204784057U (en) | Self -threading screw | |
| CN211009514U (en) | Automobile hub connecting bolt assembly | |
| CN220980029U (en) | Fastening connection structure of mechanical parts | |
| CN213331955U (en) | High-stability bolt and nut assembly | |
| CN213835545U (en) | Cathode protection device | |
| CN211021770U (en) | Mounting structure of seat pole and base | |
| CN214063772U (en) | Anti-loosening safety structure of stainless steel material production assembly | |
| CN210318039U (en) | Die casting connector | |
| CN216951125U (en) | Canned type mechanical flange | |
| CN215567153U (en) | Novel bolt assembly | |
| CN215058777U (en) | Fastening connecting piece | |
| CN221256939U (en) | Diesel generator assembly limiting part | |
| CN215680905U (en) | Angular terminal with embedded nut | |
| CN208498302U (en) | A kind of rivet pressing structure of automobile seat electric Height-adjusting device | |
| CN216098614U (en) | Safe canned type metal pipeline fastener | |
| CN113048134B (en) | High-temperature-resistant fastener easy to install | |
| CN217501010U (en) | Aluminum alloy template with deformation resistance and safety improvement function | |
| CN221307709U (en) | Woven chair | |
| CN210196237U (en) | Locking structure of front axle hub bearing nut | |
| CN216554889U (en) | Double-seal fastening cap of nuclear power equipment | |
| CN215444806U (en) | Flange with reinforced structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |