CN208804031U - A kind of hot water circulating pump pump shaft - Google Patents
A kind of hot water circulating pump pump shaft Download PDFInfo
- Publication number
- CN208804031U CN208804031U CN201820947150.7U CN201820947150U CN208804031U CN 208804031 U CN208804031 U CN 208804031U CN 201820947150 U CN201820947150 U CN 201820947150U CN 208804031 U CN208804031 U CN 208804031U
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- China
- Prior art keywords
- connecting shaft
- shaft
- pump
- dovetail groove
- hot water
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Abstract
The utility model discloses a kind of hot water circulating pump pump shaft, including the first connecting shaft, second connecting shaft and shaft coupling, one end of first connecting shaft side is equipped with dovetail groove tenon, the dovetail groove tenon covering is set in first connecting shaft, and it is closely welded with first connecting shaft, one end of second connecting shaft side is equipped with dovetail groove card slot, the dovetail groove card slot is closely welded with second connecting shaft, first connecting shaft and the second connecting shaft side are equipped with shaft coupling, the shaft coupling nesting is set in first connecting shaft and the second connecting shaft, and first connecting shaft and the second connecting shaft pass through the dovetail groove tenon, dovetail groove card slot is fixedly connected with shaft coupling, the utility model reinforces the first connecting shaft and the using the joinery and its construction of dovetail groove type in the first connecting shaft and the second connection shaft connection place Two connecting shaft bonding strengths enhance the rigid strength and stability of pump shaft.
Description
Technical field
The utility model relates to pump shaft technical field, specially a kind of hot water circulating pump pump shaft.
Background technique
Hot water circulating pump is that a kind of heat carrier for recycling provides the mechanical equipment of steady pressure and flow velocity, in smelting
It may require that in the fields such as gold, power station, chemical industry, residual heat and energy and followed using water pump for pipeline in system or the hot water in loop
Ring, in hot water circulating pump, pump shaft is a critically important component, and the effect of pump shaft is power to be transmitted to impeller and by bearing
Impeller is supported on fixed position.But hot water circulating pump pump shaft used at present has the following deficiencies: an existing heat
Water-circulating pump pump shaft is mostly unitary design, once pump shaft part wears cause entire pump shaft to be scrapped, so as to cause mechanical disorder,
Two existing hot water circulating pump pump shaft hardness intensity are inadequate, are easy to happen displacement after prolonged use, lead to mechanical disorder.
How a kind of hot water circulating pump pump shaft is designed, to solve the problems mentioned in the above background technology.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of hot water circulating pump pump shaft
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of hot water circulating pump pump shaft, including first
One end of connecting shaft, the second connecting shaft and shaft coupling, first connecting shaft side is equipped with dovetail groove tenon, the dovetail chase mortise
Head covering is set in first connecting shaft, and is closely welded with first connecting shaft, second connecting shaft side
One end is equipped with dovetail groove card slot, and the dovetail groove card slot closely welds with second connecting shaft, first connecting shaft and the
Two connecting shaft sides are equipped with shaft coupling, and the shaft coupling nesting is set in first connecting shaft and the second connecting shaft, and
It is fixedly connected with first connecting shaft and the second connecting shaft, and first connecting shaft and the second connecting shaft pass through the dovetail
Chase mortise head, dovetail groove card slot are fixedly connected with shaft coupling, are equipped with inside first connecting shaft and the second connecting shaft coaxial blind
Hole, first connecting shaft side are equipped with fastening hoop, and the fastening hoop nesting is set in first connecting shaft, and with
First connecting shaft is bolted to connection, and the fastening hoop side is equipped with the first sealing ring, first sealing ring
Side is equipped with stop collar, and the stop collar nesting is set in first connecting shaft, and fixes and connect with first connecting shaft
It connecing, second connecting shaft side is equipped with pump shaft nut, and the pump shaft nut nesting is set in second connecting shaft, and with
Second connecting shaft is flexibly connected, and second connecting shaft side is equipped with wedge mouth, and the second connecting shaft side is equipped with the second sealing
Ring, the second sealing ring nesting are set in second connecting shaft, and are bonded with second connecting shaft by glue.
Preferably, first connecting shaft side is equipped with the first gripping sleeve, and the first gripping sleeve nesting is set to described
It in first connecting shaft, and is fixedly connected with first connecting shaft, first gripping sleeve side is equipped with the first positioning gap.
Preferably, second connecting shaft side is equipped with the second gripping sleeve, and the second gripping sleeve nesting is set to described
It in second connecting shaft, and is fixedly connected with second connecting shaft, second gripping sleeve side is equipped with the second positioning gap.
Preferably, the shaft coupling side is equipped with fixed bolt hole, and the fixed bolt hole is disposed through the shaft coupling
Device middle position.
Preferably, first connecting shaft and the second connecting shaft side are equipped with screw thread.
Preferably, gasket is equipped with inside the shaft coupling, the gasket covering is set on the shaft coupling, and with
The shaft coupling is bonded by glue.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is by connecting the junction of two connecting shafts using dovetail groove joinery and its construction, then using connection
Axis device is fixed, and is greatly strengthened the rigid intensity of pump shaft, is made the pump shaft more durable, the service life is longer.
(2) the utility model is slitted by the first gripping sleeve of setting, the first positioning gap, the second gripping sleeve and the second positioning
The mouth pump shaft is simpler during installation, has saved many times, has improved work efficiency.
(3) the utility model can allow the first connecting shaft to connect axis connection more with second by the fixed bolt hole of setting
It is firm, and the gasket inside shaft coupling, which is arranged in, to protect the junction of the first connecting shaft and the second connecting shaft,
Foreign matter is avoided to penetrate into.
Detailed description of the invention
Fig. 1 is the utility model agent structure schematic diagram；
Fig. 2 is the utility model vertical profile structural schematic diagram；
Fig. 3 is the utility model dovetail groove card slot partial structurtes enlarged drawing.
In figure: the first connecting shaft of 1-；The second connecting shaft of 2-；The first gripping sleeve of 3-；4- first positions gap；5- adapter sleeve
Hoop；The first sealing ring of 6-；7- stop collar；8- shaft coupling；9- fixed bolt hole；10- pump shaft nut；The second gripping sleeve of 11-；12-
Second positioning gap；13- wedge mouth；14- screw thread；The second sealing ring of 15-；The coaxial blind hole of 16-；17- dovetail groove card slot；18- dovetail
Chase mortise head；19- gasket.
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. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of hot water circulating pump pump shaft, including the first company
One end of spindle 1, the second connecting shaft 2 and shaft coupling 8,1 side of the first connecting shaft is equipped with dovetail groove tenon 17, dovetail groove tenon
17 coverings are set in the first connecting shaft 1, and are closely welded with the first connecting shaft 1, and one end of 2 side of the second connecting shaft is equipped with swallow
Stern notch card slot 18, dovetail groove card slot 18 and the second closely welding of connecting shaft 2, the first connecting shaft 1 and 2 side of the second connecting shaft are all provided with
There is shaft coupling 8,8 nesting of shaft coupling is set in the first connecting shaft 1 and the second connecting shaft 2, and is connected with the first connecting shaft 1 and second
Spindle 2 is fixedly connected, and the first connecting shaft 1 and the second connecting shaft 2 pass through dovetail groove tenon 17, dovetail groove card slot 18 and shaft coupling
8 are fixedly connected, and coaxial blind hole 16 is equipped with inside the first connecting shaft 1 and the second connecting shaft 2, and 1 side of the first connecting shaft is equipped with tight
Gu cuff 5,5 nesting of fastening hoop is set in the first connecting shaft 1, and is bolted to connection with the first connecting shaft 1, fastening
5 side of cuff is equipped with the first sealing ring 6, and 6 side of the first sealing ring is equipped with stop collar 7, and 7 nesting of stop collar is set to the first connection
It on axis 1, and is fixedly connected with the first connecting shaft 1,2 side of the second connecting shaft is equipped with pump shaft nut 10, and 10 nesting of pump shaft nut is set
It is placed in the second connecting shaft 2, and is flexibly connected with the second connecting shaft 2,2 side of the second connecting shaft is equipped with wedge mouth 13, the second connection
2 side of axis is equipped with the second sealing ring 15, and 15 nesting of the second sealing ring is set in the second connecting shaft 2, and logical with the second connecting shaft 2
Glue bonding is crossed, it is then fixed using shaft coupling 8 by connecting the junction of two connecting shafts using dovetail groove joinery and its construction,
The rigid intensity for greatly strengthening pump shaft, makes the pump shaft more durable, the service life is longer.
First connecting shaft, 1 side is equipped with the first gripping sleeve 3, and 3 nesting of the first gripping sleeve is set in the first connecting shaft 1, and
It is fixedly connected with the first connecting shaft 1,3 side of the first gripping sleeve is equipped with the first positioning gap 4, and 2 side of the second connecting shaft is equipped with the
Two gripping sleeves 11,11 nesting of the second gripping sleeve are set in the second connecting shaft 2, and are fixedly connected with the second connecting shaft 2, the second folder
Fixed 11 side is equipped with the second positioning gap 12, and 8 side of shaft coupling is equipped with fixed bolt hole 9, and fixed bolt hole 9 is disposed through
8 middle position of shaft coupling, the first connecting shaft 1 and 2 side of the second connecting shaft are equipped with screw thread 14, are equipped with sealing inside shaft coupling 8
Pad 19, the covering of gasket 19 are set on shaft coupling 8, and are bonded with shaft coupling 8 by glue, and the first gripping sleeve of setting is passed through
3, the first positioning gap 4, the second gripping sleeve 11 and second positioning pump shaft of gap 12 are simpler during installation, have saved very much
Time improves work efficiency, and the first connecting shaft 1 can be allowed to connect more with the second connecting shaft 2 by the fixed bolt hole 9 of setting
Add it is firm, and be arranged in the gasket 19 inside shaft coupling 8 can junction to the first connecting shaft 1 and the second connecting shaft 2 into
Row protection, avoids foreign matter from penetrating into.
The pump shaft: being mounted on hot water circulating pump by working principle using the first connecting shaft 1, by the first gripping sleeve 3 and
The first positioning gap 4 on one gripping sleeve 3 and the position on hot water circulating pump correspond, and impeller is then mounted on the second company
In spindle 2, and step up the position on set 11 and the second positioning gap 12 and impeller for second and correspond, is installed it
After can use, it is then solid using shaft coupling 8 by connecting the junction of two connecting shafts using dovetail groove joinery and its construction
It is fixed, the rigid intensity of pump shaft is greatly strengthened, makes the pump shaft more durable, the service life is longer, clamps by the first of setting
The 3, first positioning of set gap 4, the second gripping sleeve 11 and second positioning pump shaft of gap 12 are simpler during installation, have saved very
It more times, improves work efficiency, the first connecting shaft 1 can be allowed to connect with the second connecting shaft 2 by the fixed bolt hole 9 of setting
It is more firm, and the gasket 19 inside shaft coupling 8 is arranged in can be to the junction of the first connecting shaft 1 and the second connecting shaft 2
It is protected, foreign matter is avoided to penetrate into, make the pump shaft use safer.
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 (6)
1. a kind of hot water circulating pump pump shaft, including the first connecting shaft (1), the second connecting shaft (2) and shaft coupling (8), feature exists
In: one end of the first connecting shaft (1) side is equipped with dovetail groove tenon (17), and dovetail groove tenon (17) covering is set to
On first connecting shaft (1), and closely welded with first connecting shaft (1), one end of the second connecting shaft (2) side
Equipped with dovetail groove card slot (18), the dovetail groove card slot (18) and second connecting shaft (2) are closely welded, first connection
Axis (1) and the second connecting shaft (2) side are equipped with shaft coupling (8), and shaft coupling (8) nesting is set to first connecting shaft
(1) it and in the second connecting shaft (2), and is fixedly connected with first connecting shaft (1) and the second connecting shaft (2), and described first
Connecting shaft (1) and the second connecting shaft (2) are fixed by the dovetail groove tenon (17), dovetail groove card slot (18) and shaft coupling (8)
It is equipped with coaxial blind hole (16) inside connection, first connecting shaft (1) and the second connecting shaft (2), first connecting shaft (1)
Side is equipped with fastening hoop (5), and fastening hoop (5) nesting is set on first connecting shaft (1), and with described first
Connecting shaft (1) is bolted to connection, and fastening hoop (5) side is equipped with the first sealing ring (6), first sealing ring
(6) side is equipped with stop collar (7), and stop collar (7) nesting is set on first connecting shaft (1), and with described first
Connecting shaft (1) is fixedly connected, and the second connecting shaft (2) side is equipped with pump shaft nut (10), and the pump shaft nut (10) is nested
It is set on second connecting shaft (2), and is flexibly connected with second connecting shaft (2), the second connecting shaft (2) side
Equipped with wedge mouth (13), the second connecting shaft (2) side is equipped with the second sealing ring (15), and the second sealing ring (15) nesting is set to
On second connecting shaft (2), and bonded with second connecting shaft (2) by glue.
2. a kind of hot water circulating pump pump shaft according to claim 1, it is characterised in that: the first connecting shaft (1) side is set
Have the first gripping sleeve (3), the first gripping sleeve (3) nesting is set on first connecting shaft (1), and is connected with described first
Spindle (1) is fixedly connected, and the first gripping sleeve (3) side is equipped with the first positioning gap (4).
3. a kind of hot water circulating pump pump shaft according to claim 1, it is characterised in that: the second connecting shaft (2) side is set
Have the second gripping sleeve (11), the second gripping sleeve (11) nesting is set on second connecting shaft (2), and with described second
Connecting shaft (2) is fixedly connected, and the second gripping sleeve (11) side is equipped with the second positioning gap (12).
4. a kind of hot water circulating pump pump shaft according to claim 1, it is characterised in that: shaft coupling (8) side is equipped with solid
Determine bolt hole (9), the fixed bolt hole (9) is disposed through the shaft coupling (8) middle position.
5. a kind of hot water circulating pump pump shaft according to claim 1, it is characterised in that: first connecting shaft (1) and second
Connecting shaft (2) side is equipped with screw thread (14).
6. a kind of hot water circulating pump pump shaft according to claim 1, it is characterised in that: be equipped with inside the shaft coupling (8) close
Packing (19), gasket (19) covering are set on the shaft coupling (8), and viscous by glue with the shaft coupling (8)
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947150.7U CN208804031U (en) | 2018-06-20 | 2018-06-20 | A kind of hot water circulating pump pump shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947150.7U CN208804031U (en) | 2018-06-20 | 2018-06-20 | A kind of hot water circulating pump pump shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804031U true CN208804031U (en) | 2019-04-30 |
Family
ID=66227429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820947150.7U Active CN208804031U (en) | 2018-06-20 | 2018-06-20 | A kind of hot water circulating pump pump shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208804031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293980A (en) * | 2019-07-05 | 2019-10-01 | 山东大学 | A kind of tank railway transportation entrucking localization method and system |
-
2018
- 2018-06-20 CN CN201820947150.7U patent/CN208804031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293980A (en) * | 2019-07-05 | 2019-10-01 | 山东大学 | A kind of tank railway transportation entrucking localization method and system |
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| GR01 | Patent grant |