CN208778319U - Centrifugal pump band seals double nuts structure - Google Patents
Centrifugal pump band seals double nuts structure Download PDFInfo
- Publication number
- CN208778319U CN208778319U CN201821308607.6U CN201821308607U CN208778319U CN 208778319 U CN208778319 U CN 208778319U CN 201821308607 U CN201821308607 U CN 201821308607U CN 208778319 U CN208778319 U CN 208778319U
- Authority
- CN
- China
- Prior art keywords
- nut
- groove
- pump case
- centrifugal pump
- sealing ring
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of centrifugal pump bands to seal double nuts structure, run through the bolt of pump case including pump case and one end, the left end of the bolt is threaded with the first nut and the second nut, it is close to pump case setting in the right side of second nut, second nut, first nut between pump case and the first nut further includes turret head and the convex edge that turret head end is arranged in, the convex edge and groove are correspondingly arranged, the first seal groove is additionally provided in the groove, and first is provided with the first sealing ring in seal groove, second nut offers the second seal groove on the end face contacted with pump case, and second is provided with the second sealing ring in seal groove.Centrifugal pump uses double nuts structure, and overall structure is firm, it is not easy to loosen, sealing ring uses O-shaped rubber ring, effectively improves the sealing performance of contact surface, guarantees the normal operation of centrifugal pump.
Description
Technical field
The utility model relates to be centrifuged pump technical field, specially a kind of centrifugal pump band seals double nuts structure.
Background technique
Centrifugal pump refers to the centrifugal force by generating when impeller rotation to convey the pump of liquid, and centrifugal pump has vertical, horizontal, single
The diversified forms such as grade, multistage, single suction, double suction, self-priming.Centrifugal pump is to be rotated using impeller and make water that centrifugal movement occur come work
Make.Water pump is before activation, it is necessary to make then to start motor full of water in pump case and suction hose, make pump shaft impeller and water
High speed rotary motion is done, water occurs centrifugal movement, is thrown toward impeller outer edge, and the runner through volute pump case flows into the pressure pipe of water pump
Road.
Traditional centrifugal pump uses single nut fastening structure, O-ring then is arranged in contact position, to make centrifugal pump reach close
The effect of envelope locks by single nut, is easy to loosen, and be difficult to ensure sealing effect, has certain limitation.
Utility model content
The purpose of this utility model is to provide a kind of centrifugal pump bands to seal double nuts structure, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of centrifugal pump band sealing double nuts structure,
Run through the bolt of pump case including pump case and one end, the left end of the bolt is threaded with the first nut and the second nut, institute
Pump case setting is close in the right side for stating the second nut, and second nut is between pump case and the first nut, first spiral shell
Female and the second nut interior offers the first threaded hole and the second threaded hole respectively, first nut further include turret head and
The convex edge of turret head end is set, second nut opened up on the end face contacted with the first nut it is fluted, it is described
Convex edge and groove are correspondingly arranged, and the first seal groove is additionally provided in the groove, and it is close to be provided with first in the first seal groove
Seal, second nut offers the second seal groove on the end face contacted with pump case, and sets in the second seal groove
It is equipped with the second sealing ring.
As advanced optimizing for the technical program, a kind of centrifugal pump band of the utility model seals double nuts structure, described
First seal groove and the second seal groove are annular in shape, and first sealing ring and the second sealing ring are that O-shaped rubber is close
Seal.
As advanced optimizing for the technical program, a kind of centrifugal pump band of the utility model seals double nuts structure, described
The longitudinal section of groove is circle, and the depth of the groove is no more than the width of convex edge.
As advanced optimizing for the technical program, a kind of centrifugal pump band of the utility model seals double nuts structure, described
Hand of spiral in first threaded hole and the second threaded hole is consistent, the right-end openings setting of first threaded hole, and described second
Threaded hole is through-hole.
Compared with prior art, the utility model has the beneficial effects that a kind of centrifugal pump band of the utility model seals double spiral shells
Pump case setting is close in parent structure, the right side of the second nut, and pump case setting is close in the right side of the second nut, and the second nut is located at
Between pump case and the first nut, centrifugal pump uses double nuts structure, and overall structure is firm, it is not easy to loosen, the first seal groove
In be provided with the first sealing ring, be provided with the second sealing ring in the second seal groove, sealing ring uses O-shaped rubber ring, effectively mentions
The sealing performance for having risen contact surface guarantees the normal operation of centrifugal pump, have very high practicability, greatly improve the one kind from
Using for heart pump band sealing double nuts structure is functional, guarantees its using effect and utilization benefit, is suitble to be widely popularized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of centrifugal pump band of the utility model seals double nuts structure；
Fig. 2 is the first nut structure diagram that a kind of centrifugal pump band of the utility model seals double nuts structure；
Fig. 3 is the first nut left view structural representation that a kind of centrifugal pump band of the utility model seals double nuts structure；
Fig. 4 is the second nut structure diagram that a kind of centrifugal pump band of the utility model seals double nuts structure.
In figure: 1 pump case, 2 bolts, 3 first nuts, 4 second nuts, 5 turret heads, 6 convex edges, 7 first threaded holes, 8 grooves,
9 second threaded holes, 10 first sealing rings, 11 second sealing rings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of centrifugal pump band sealing double nuts structure, packet
It includes pump case 1 and the bolt 2 of pump case 1 is run through in one end, the left end of the bolt 2 is threaded with the first nut 3 and the second nut
4, the right side of second nut 4 is close to pump case 1 and is arranged, and second nut 4 is located between pump case 1 and the first nut 3, institute
It states and offers the first threaded hole 7 and the second threaded hole 9 inside the first nut 3 and the second nut 4 respectively, first nut 3 is also
Including turret head 5 and the convex edge 6 of 5 end of turret head is set, second nut 4 is in the one end contacted with the first nut 3
Fluted 8 are opened up on face, the convex edge 6 and groove 8 are correspondingly arranged, and the first seal groove, and first are additionally provided in the groove 8
The first sealing ring 10 is provided in seal groove, it is close that second nut 4 offers second on the end face contacted with pump case 1
Seal slot, and the second sealing ring 11 is provided in the second seal groove, effectively improve the sealing performance of contact surface.
Specifically, first seal groove and the second seal groove are annular in shape, first sealing ring 10 and
Two sealing rings 11 are O-shaped rubber seal.
Specifically, the longitudinal section of the groove 8 is circle, the depth of the groove 8 is no more than the width of convex edge 6.
Specifically, first threaded hole 7 is consistent with the hand of spiral in the second threaded hole 9, first threaded hole 7
Right-end openings setting, second threaded hole 9 are through-hole.
Working principle: a kind of centrifugal pump band of the utility model seals double nuts structure, carries out on the basis of existing technology
It improves, is arranged in use, pump case 1 is close in the right side of the second nut 4, the right side of the second nut 4 is close to pump case 1 and is arranged, the
Two nuts 4 are located between pump case 1 and the first nut 3, and centrifugal pump uses double nuts structure, and overall structure is firm, it is not easy to it loosens,
It is provided with the first sealing ring 10 in first seal groove, the second sealing ring 11 is provided in the second seal groove, sealing ring uses O
Type rubber ring effectively improves the sealing performance of contact surface, guarantees the normal operation of centrifugal pump, is suitble to promote the use of.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of centrifugal pump band seals double nuts structure, the bolt (2) of pump case (1) is run through including pump case (1) and one end, it is special
Sign is: the left end of the bolt (2) is threaded with the first nut (3) and the second nut (4), second nut (4)
Pump case (1) setting is close in right side, and second nut (4) is located between pump case (1) and the first nut (3), first spiral shell
The first threaded hole (7) and the second threaded hole (9), first nut (3) are offered respectively inside female (3) and the second nut (4)
Further include turret head (5) and setting in the convex edge (6) of turret head (5) end, second nut (4) with the first nut
(3) it is opened up fluted (8) on the end face contacted, the convex edge (6) and groove (8) are correspondingly arranged, and are also set in the groove (8)
Have the first seal groove, and be provided with the first sealing ring (10) in the first seal groove, second nut (4) and pump case
(1) the second seal groove is offered on the end face contacted, and is provided with the second sealing ring (11) in the second seal groove.
2. a kind of centrifugal pump band according to claim 1 seals double nuts structure, it is characterised in that: first sealing ring
Slot and the second seal groove are annular in shape, and first sealing ring (10) and the second sealing ring (11) are O-shaped rubber seal
Circle.
3. a kind of centrifugal pump band according to claim 1 seals double nuts structure, it is characterised in that: the groove (8)
Longitudinal section is circle, and the depth of the groove (8) is no more than the width of convex edge (6).
4. a kind of centrifugal pump band according to claim 1 seals double nuts structure, it is characterised in that: first threaded hole
(7) consistent with the hand of spiral in the second threaded hole (9), the right-end openings setting of first threaded hole (7), second spiral shell
Pit (9) is through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821308607.6U CN208778319U (en) | 2018-08-15 | 2018-08-15 | Centrifugal pump band seals double nuts structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821308607.6U CN208778319U (en) | 2018-08-15 | 2018-08-15 | Centrifugal pump band seals double nuts structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778319U true CN208778319U (en) | 2019-04-23 |
Family
ID=66156796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821308607.6U Expired - Fee Related CN208778319U (en) | 2018-08-15 | 2018-08-15 | Centrifugal pump band seals double nuts structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056533A (en) * | 2019-05-21 | 2019-07-26 | 安徽卧龙泵阀股份有限公司 | A kind of impeller of chemical centrifugal pump locking device |
-
2018
- 2018-08-15 CN CN201821308607.6U patent/CN208778319U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056533A (en) * | 2019-05-21 | 2019-07-26 | 安徽卧龙泵阀股份有限公司 | A kind of impeller of chemical centrifugal pump locking device |
| CN110056533B (en) * | 2019-05-21 | 2024-04-09 | 安徽卧龙泵阀股份有限公司 | Chemical pump impeller locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20190815 |