CN209638008U - It is a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure - Google Patents
It is a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure Download PDFInfo
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- CN209638008U CN209638008U CN201822217839.7U CN201822217839U CN209638008U CN 209638008 U CN209638008 U CN 209638008U CN 201822217839 U CN201822217839 U CN 201822217839U CN 209638008 U CN209638008 U CN 209638008U
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Abstract
The utility model provides a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure, it includes motor, electric machine support and the pump housing, top cover is equipped at the top of the pump housing, electric machine support center is equipped with main shaft, which is characterized in that adjustment chassis, back impeller and impeller cover are equipped on the outside of main shaft, top cover, which runs through, is equipped with adjustment bolt and stud, top cover is flexibly connected with adjustment chassis by adjusting bolt, and top cover is fixedly connected with adjustment chassis by stud, and impeller cover is connect with adjustment chassis by cover plate bolt；Utility model has the advantages that be equipped with adjustment chassis below pump housing top cover, when leakage from water pump, adjustment bolt is rotated, control screw thread, which is hung into, can push adjustment chassis down, reduce the gap between adjustment chassis and back impeller, until water pump is water-tight, plant maintenance is simple and convenient；Cooperated between electric machine support and adjustment chassis, between adjustment chassis and impeller cover by seam allowance, connection relationship is closely reliable.
Description
Technical field
The utility model relates to self priming pump fields more particularly to a kind of adjust without sealing self-controlling self-priming pump back impeller gap to tie
Structure.
Background technique
It is sealed and is realized by back impeller without sealing self-controlling self-priming pump sealing.After back impeller between plane and electric machine support lower plane
Gap it is particularly critical.General control is in 0.5-1mm.In assembling process, copper packing is padded between back impeller and axis and controls gap.
Fig. 1 is the prior art, 1 electric machine support, 2 impeller covers, 3 back impellers in Fig. 1.
The gap of back impeller and electric machine support lower plane is particularly critical, and assembly completion represents gap and controlled under this structure
At.When operation, if leak, it is necessary to back impeller is dismantled again, readjusts gap, it is very troublesome.
Utility model content
The purpose of the utility model is to provide a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure, improves part
Structure realizes that the gap between back impeller and electric machine support lower plane is adjustable.
To achieve the goals above, the technical solution of the utility model is:
It is a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure, it includes the motor set gradually up and down, motor
Bracket and the pump housing, the motor, electric machine support and the pump housing are fixedly connected by clamping screw, and the top of the pump housing is equipped with top
Lid, the center of the electric machine support are equipped with the main shaft through top cover, which is characterized in that wrapping around for the main shaft is equipped with adjustment
Chassis, back impeller and impeller cover, the adjustment chassis are arranged against the lower end surface of top cover, and the top cover, which runs through to be equipped with up and down, to be adjusted
Whole bolt and stud, the top cover are flexibly connected with adjustment chassis by adjusting bolt, and the top cover and adjustment chassis pass through spiral shell
Column is fixedly connected, and the upper end on the adjustment chassis is equipped with the stud through-hole cooperated with stud, and the back impeller is located at adjustment chassis
Lower section and with the setting of adjustment chassis interval, the inside of the impeller cover is located at the lower section of back impeller, the impeller cover
Outer rim is first folded upward at upper end beyond back impeller, horizontal buckling is extended outward again, the horizontal curved of impeller cover outer rim
Folding part point is connect with adjustment chassis by cover plate bolt.
Further, the lower end surface fovea superior on the adjustment chassis forms seam allowance, the horizontal buckling part of impeller cover outer rim
It is embedded in seam allowance setting.
Utility model has the advantages that be equipped with adjustment chassis below pump housing top cover, when leakage from water pump, rotation adjustment spiral shell
Bolt, control screw thread, which is hung into, can push adjustment chassis down, reduce the gap between adjustment chassis and back impeller, until water pump is not
Leak, plant maintenance are simple and convenient；Matched between electric machine support and adjustment chassis, between adjustment chassis and impeller cover by seam allowance
It closes, connection relationship is closely reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of self priming pump in the prior art；
Fig. 2 is the overall structure diagram of the utility model；
Fig. 3 is the structural schematic diagram of electric machine support in the utility model；
Fig. 4 is the structural schematic diagram that chassis is adjusted in the utility model.
Appended drawing reference:
1 electric machine support, 2 impeller covers, 3 back impellers, 4 motors, 5 pump housings, 6 clamping screws, 7 top covers,
8 main shafts, 9 adjustment bolts, 10 studs, 11 adjustment chassis, 12 cover plate bolts, seam allowance under 13 bottom plates,
Seam allowance, 15 bolt holes, 16 stud through-holes, 17 first through hole, 18 second through-holes under 14 chassis.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
The utility model discloses a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure, as shown in Fig. 2, it is wrapped
The motor 4, electric machine support 1 and the pump housing 5 set gradually up and down is included, the motor 4, electric machine support 1 and the pump housing 5 pass through clamping screw
6 are fixedly connected, and the top of the pump housing 5 is equipped with top cover 7, and the center of the electric machine support 1 is equipped with the main shaft 8 through top cover 7,
It is characterized in that, wrapping around for the main shaft 8 is equipped with adjustment chassis 11, back impeller 3 and impeller cover 2, the adjustment chassis 11
It is arranged against the lower end surface of top cover 7.
As shown in Figures 2 and 3, about 7 top cover, which runs through, is equipped with first through hole 17 and the second through-hole 18, and described first is logical
Be equipped with adjustment bolt 9 in hole 17, be equipped with stud 10 in second through-hole 18, the top cover 7 and adjustment chassis 11 by adjusting
Bolt 9 is flexibly connected, and the top cover 7 is fixedly connected with adjustment chassis 11 by stud 10, and the upper end on the adjustment chassis 11 is set
There is the stud through-hole 16 cooperated with stud 10, the back impeller 3 is located at the lower section on adjustment chassis 11 and is spaced with adjustment chassis 11
Setting, the inside of the impeller cover 2 are located at the lower section of back impeller 3, and the outer rim of the impeller cover 2 is first folded upward at beyond back
The upper end of impeller 3, bending is extended outward in the horizontal direction again, the horizontal buckling part of 2 outer rim of impeller cover and adjustment
Chassis 11 is connected by cover plate bolt 12.
As shown in figure 4, the inner ring on adjustment chassis 11 is preferably opened there are four bolt hole 15, cover plate bolt 12 passes sequentially through leaf
Take turns the bolt hole of cover board 2 and the bolt hole 15 of adjustment 11 inner ring of chassis；It preferably opens there are four spiral shell the outer ring on adjustment chassis 11
Column through-hole 16, fastening stud 10 pass sequentially through the second through-hole 18 of top cover 7 and the stud through-hole 16 of adjustment 11 outer ring of chassis.
As shown in Figure 3 and Figure 4, the lower end surface fovea superior of the electric machine support 1 forms seam allowance 13 under bottom plate, the adjustment chassis
Seam allowance 13 is arranged under 11 insertion bottom plates；The lower end surface fovea superior on the adjustment chassis 11 forms seam allowance 14 under chassis, outside impeller cover 2
The horizontal buckling of edge is partially submerged into seam allowance 14 under chassis and is arranged, by the cooperation of two seam allowances, so that the connection of above-mentioned each component
Close relation.
When the pump housing 5 is run, when finding leak, the nut of stud 10 is unclamped first, and then spanner is successively slowly twisted a circle and adjusted
Whole bolt 9, control adjustment bolt 9 screw in, and adjustment chassis 11 are pushed down, between reducing between adjustment chassis 11 and back impeller 3
Gap finally tightens the nut of stud 10 until water pump is water-tight.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (3)
1. a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure, it includes the motor set gradually up and down, motor branch
Frame and the pump housing, the motor, electric machine support and the pump housing are fixedly connected by clamping screw, and the top of the pump housing is equipped with top cover,
The center of the electric machine support is equipped with the main shaft through top cover, which is characterized in that wrapping around for the main shaft is equipped with adjustment bottom
Disk, back impeller and impeller cover, the adjustment chassis are arranged against the lower end surface of top cover, and the top cover runs through up and down is equipped with adjustment
Bolt and stud, the top cover are flexibly connected with adjustment chassis by adjusting bolt, and the top cover and adjustment chassis pass through stud
It is fixedly connected, the upper end on the adjustment chassis is equipped with the stud through-hole cooperated with stud, and the back impeller is located at adjustment chassis
Lower section and with the setting of adjustment chassis interval, the inside of the impeller cover is located at the lower section of back impeller, the impeller cover outside
Edge is first folded upward at upper end beyond back impeller, horizontal buckling is extended outward again, the horizontal buckling of impeller cover outer rim
Part is connect with adjustment chassis by cover plate bolt.
2. according to claim 1 a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure, which is characterized in that institute
The lower end surface fovea superior for stating electric machine support forms seam allowance under bottom plate, and seam allowance is arranged under the adjustment chassis insertion bottom plate.
3. according to claim 2 a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure, which is characterized in that institute
The lower end surface fovea superior for stating adjustment chassis forms seam allowance under chassis, and the horizontal buckling of impeller cover outer rim is partially submerged into the seam allowance and sets
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217839.7U CN209638008U (en) | 2018-12-27 | 2018-12-27 | It is a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217839.7U CN209638008U (en) | 2018-12-27 | 2018-12-27 | It is a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209638008U true CN209638008U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822217839.7U Active CN209638008U (en) | 2018-12-27 | 2018-12-27 | It is a kind of without sealing self-controlling self-priming pump back impeller gap adjusting structure |
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| Country | Link |
|---|---|
| CN (1) | CN209638008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266575A (en) * | 2021-05-24 | 2021-08-17 | 刘倩倩 | Sewage pump |
-
2018
- 2018-12-27 CN CN201822217839.7U patent/CN209638008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266575A (en) * | 2021-05-24 | 2021-08-17 | 刘倩倩 | Sewage pump |
| CN113266575B (en) * | 2021-05-24 | 2022-11-04 | 宜昌市西峡泵业有限公司 | Sewage pump |
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