CN202220735U - Centrifugal pump with installation guiding and auxiliary fastening device - Google Patents
Centrifugal pump with installation guiding and auxiliary fastening device Download PDFInfo
- Publication number
- CN202220735U CN202220735U CN2011203310745U CN201120331074U CN202220735U CN 202220735 U CN202220735 U CN 202220735U CN 2011203310745 U CN2011203310745 U CN 2011203310745U CN 201120331074 U CN201120331074 U CN 201120331074U CN 202220735 U CN202220735 U CN 202220735U
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- keyway
- base
- pump
- key
- pump housing
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Abstract
The utility model discloses a centrifugal pump with an installation guiding and auxiliary fastening device, which comprises a pump body, a base, fastening bolts, a lower key slot, an upper key slot and a key. The pump body is supported by the base, support legs of the pump body are fixedly connected with the base by the fastening bolts, the lower key slot is arranged on a supporting surface of the base, the upper key slot is disposed on bottom surfaces of the support legs of the pump body and corresponds to the lower key slot, and the key is arranged between the lower key slot and the upper key slot and matches with the lower key slot and the upper key slot. The centrifugal pump solves problems that a pump and a base are poor in structural rigidity and inconvenient and inaccurate in installation and centering due to connecting fastening bolts, the pump body and the base can be accurately positioned, the structural rigidity between the centrifugal pump and the base can be improved, the centrifugal pump can be installed simply and conveniently, and the quality is guaranteed.
Description
Technical field
The utility model relates to centrifugal pump, particularly a kind of centrifugal pump of being furnished with guiding of installing and auxiliary securing means.
Background technique
At present; Structural rigidity between single pump and the base is realizing fashionable frictional force of carrying out the pretension generation by hex head bolt between pump and the base or stud mainly; So that the size of the structural rigidity between single pump and the base is influenced by material, fastening piece specification, pretightening force; In addition; The maximal friction that component such as hex head bolt or stud are produced can be because of the difference of individual character difference to some extent, and therefore situation is carried out with operator's experience fully mostly, makes the structural rigidity difficult quality control between single pump and the base and guarantees.In addition, when adopting stud or bolt, the matching hole in the middle of the pump housing is a unthreaded hole; Has relatively large spatial margin, therefore when pump is carried out demolition and maintenance, after the pump housing of tearing open refills; The position can not align by original precision fully, in needing again coupling to be transferred, for high maintenance rate; The chemical flow-process pump of high-precision requirement, this is a very cumbersome job.
The model utility content
The pump that exists in view of above-mentioned existing technology makes the relatively poor and inconvenient coarse problem of installation centering of structural rigidity with the clamping bolt that is connected of base; The utility model provides a kind of centrifugal pump of being furnished with guiding of installing and auxiliary securing means, and its purpose is, through the application of guiding and auxiliary securing means is installed; The pump housing and base are accurately located; And can improve the structural rigidity between centrifugal pump and the base, and make simple installation, ensure the quality of products.
In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals:
A kind of centrifugal pump of being furnished with guiding of installing and auxiliary securing means, it comprises the pump housing, supports the base of the said pump housing, and the support foot of the said pump housing is connected the fixed fastening bolt with said base; It also comprises the following keyway on the supporting surface that is arranged on said base; Be arranged on the bottom surface of support foot of the said pump housing and and go up keyway with said keyway down is corresponding, and be arranged between said keyway down and the last keyway and with said keyway down, the last key that matches of keyway.
Further, said down keyway, arranged direction and pump housing central shaft axially identical of going up keyway and key, the said parallel to an axis degree≤0.2mm that goes up keyway, the said parallel to an axis degree≤0.1mm of keyway down makes and installs simple and conveniently, and the location is accurate.
Further, the length of the last keyway on the bottom surface of said support foot is equated with the axial length of the bottom surface of support foot, make the length of the following keyway on the supporting surface of said base identical with key length.
Further, described keyway down and key are arranged on the middle part of base support face, are symmetrical set two groups in the outside of following keyway and key and connect the support foot of the pump housings and the clamping bolt of base, form the Pin Zixing three points location, make connection more firm.
The utlity model has following beneficial effect:
1, the pump housing and base can accurately be located;
2, significantly improve structural rigidity between pump and the base, the utility model centrifugal pump is installed by guiding and auxiliary securing means can bear bigger shearing force and extruding force, thereby significantly improves the structural rigidity between the pump housing and the base;
Centering when 3, reinstalling, guiding are more simple and convenient, reduce labor intensity, and efficient is high.
4, simple in structure, easy to utilize.In the utility model, key and the effect of not only having played the installation guiding cooperating of groove, and played auxiliary fastening effect, kill two birds with one stone.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the last keyway on the pump housing and the support foot thereof;
Fig. 3 is the structural representation of base;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the schematic representation that key cooperates with keyway;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the working state figure of the utility model.
Embodiment
Referring to Fig. 1-Fig. 7, the centrifugal pump that the utility model is furnished with guiding of installing and auxiliary securing means in the practical implementation process with coupling 2, motor 3 cooperatings.The centrifugal pump that the utility model is furnished with guiding of installing and auxiliary securing means comprises the pump housing 1 and the base 5 that supports the pump housing 1, is pump housing support foot 11 in the periphery, middle part of the pump housing 1, and pump housing support foot 11 and base 5 are fixedly connected through clamping bolt; The characteristics that the utility model is different from existing technology are: it also comprises the following keyway 51 on the supporting surface that is arranged on base 5; Be arranged on the bottom surface of pump housing support foot 11 and with the following keyway 51 corresponding keyways 12 of going up; And be arranged on down between keyway 51 and the last keyway 12; With following keyway 51, go up the key 4 that keyway 12 matches, that is the part of key 4 is stuck in the keyway 12, its another part is stuck in down in the keyway 51; The location arrangements direction of key 4 and last keyway 12, following keyway 51 is axially identical with the pump housing 1 central shaft.
In the present embodiment, key 4 is selected the A type key that meets GB/T 1096 standards for use, and length is 40-100mm, and along with the variation of centrifugal pump size, the sized of key also changes, both relations of being proportionate; The processing dimension of key and tolerance are carried out by standard.The dimension reference GB/T1095 standard of keyway is carried out, and in the present embodiment, the degree of depth of the degree of depth of last keyway 12 and following keyway 51 is by the specification decision of key; For example, be the key of 18 * 11mm (width of key * key degree of depth) for section, following keyway 51 groove depths are 7mm; Last keyway 12 groove depths are 4.4mm; Then the keyway total height is 7+4.4=11.4mm, and is more bigger than the height 11mm of key, so that pump housing support foot 11 is reliably contacted with base 5.For further guaranteeing the accurate location of pump housing support foot 11 and base 5; (explain: H9 representes the tolerance of keyway size to the tolerance fit of key 4 and keyway by the H9/h9 execution; H9 representes the tolerance of keyway size down, and wherein H, h represent the basic deviation code name, the 9 expression grades of tolerance).
Especially, last keyway 12 processing of the pump housing 1 pass to the supporting surface two ends of the pump housing 1 supporting foot 11, and the length that promptly goes up keyway 12 equates with the axial length of the bottom surface of support foot 11; The equal in length of following keyway 51 length on base 5 supporting surfaces and the key 4 that is used.Earlier key 4 is packed in the following keyway 51 of base when mounted, then 12 alignment keys 4 of the last keyway on the pump housing supporting foot 11 are pushed the pump housing 1, make that centering is installed is very easy.For guaranteeing the parallelism of keyway and pump shaft, the parallel to an axis degree≤0.2mm of last keyway 12, the parallel to an axis degree≤0.1mm of following keyway 51.
Be provided with two groups in the key 4 and the outside symmetry of following keyway 51 and be connected the support foot of the pump housing and the clamping bolt 61,62 of base, make key and groove structure and clamping bolt form the Pin Zixing three points location, make connection more firm.Like this; Traditional bolton is connected between the support foot 11 and base 5 of the pump housing; Play main fastening effect; Key 4 and go up keyway 12, keyway 51 then plays auxiliary fastening effect down, and more plays the effect of centering, guiding, location, makes centrifugal pump reinstalling after maintenance more simple and convenient, more accurate.And; Above-mentioned key and keyway cooperating structure can not only make the pump housing and base accurately locate; Also can improve the structural rigidity between pump and the base simultaneously, thereby reduce the workload of carrying out coupling centering in the maintenance process again as the auxiliary stressed part outside the clamping bolt.
The foregoing description is the preferred implementation of the utility model, and those skilled in the art can recognize that according to the disclosed content of the utility model specification the utility model has multiple modification in the process of implementing.For example, the key in the utility model can be selected the key of other specifications according to user's specific requirement for use, also need do corresponding adjustment according to the variation of key and go up keyway, following keyway.In a word, all within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all be included within the protection domain of the utility model.
Claims (5)
1. be furnished with the centrifugal pump of guiding of installing and auxiliary securing means, comprise the pump housing, support the base of the said pump housing, the support foot of the said pump housing is connected the fixed fastening bolt with said base; It is characterized in that: also comprise the following keyway on the supporting surface that is arranged on said base; Be arranged on the bottom surface of support foot of the said pump housing and and go up keyway with said keyway down is corresponding, and be arranged between said keyway down and the last keyway and with said keyway down, the last key that matches of keyway.
2. the centrifugal pump of being furnished with guiding of installing and auxiliary securing means according to claim 1 is characterized in that: said keyway down, arranged direction and pump housing central shaft axially identical of going up keyway and key.
3. the centrifugal pump of being furnished with guiding of installing and auxiliary securing means according to claim 2 is characterized in that: the said parallel to an axis degree≤0.2mm that goes up keyway, the said parallel to an axis degree≤0.1mm of keyway down.
4. according to claim 1, the 2 or 3 described centrifugal pumps of being furnished with guiding of installing and auxiliary securing means; It is characterized in that: the length of the last keyway on the bottom surface of said support foot equates that with the axial length of the bottom surface of support foot the following keyway length on the supporting surface of said base equates with key length.
5. according to claim 1, the 2 or 3 described centrifugal pumps of being furnished with guiding of installing and auxiliary securing means; It is characterized in that: described keyway down and key are arranged on the middle part of base support face, are symmetrical set two groups in the outside of following keyway and key and connect the support foot of the pump housings and the clamping bolt of base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203310745U CN202220735U (en) | 2011-09-05 | 2011-09-05 | Centrifugal pump with installation guiding and auxiliary fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203310745U CN202220735U (en) | 2011-09-05 | 2011-09-05 | Centrifugal pump with installation guiding and auxiliary fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202220735U true CN202220735U (en) | 2012-05-16 |
Family
ID=46042762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203310745U Expired - Lifetime CN202220735U (en) | 2011-09-05 | 2011-09-05 | Centrifugal pump with installation guiding and auxiliary fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202220735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561104A (en) * | 2019-09-16 | 2019-12-13 | 北京恩耐特分布能源技术有限公司 | Integrated processing method for mounting and centering horizontal water pump motor |
-
2011
- 2011-09-05 CN CN2011203310745U patent/CN202220735U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561104A (en) * | 2019-09-16 | 2019-12-13 | 北京恩耐特分布能源技术有限公司 | Integrated processing method for mounting and centering horizontal water pump motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Guangdong Province, Foshan city Chancheng District River Road No. 14 Patentee after: GUANGDONG KENFLO PUMP CO., LTD. Address before: 528000 Guangdong Province, Foshan city Chancheng District River Road No. 14 Patentee before: Guangdong Foshan Water Pump Factory Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120516 |
|
| CX01 | Expiry of patent term |