CN205446150U - A connection structure that be used for vertical long axis pump axis with axle - Google Patents
A connection structure that be used for vertical long axis pump axis with axle Download PDFInfo
- Publication number
- CN205446150U CN205446150U CN201521124679.1U CN201521124679U CN205446150U CN 205446150 U CN205446150 U CN 205446150U CN 201521124679 U CN201521124679 U CN 201521124679U CN 205446150 U CN205446150 U CN 205446150U
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- China
- Prior art keywords
- hole
- connecting hole
- shaft coupling
- face
- axle
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- 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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Abstract
The utility model relates to a connection structure that be used for vertical long axis pump axis with axle mainly comprises the primary shaft, secondary shaft and shaft coupling. First combination hole has on the outer peripheral face of first linkage segment. Have the first hole that is combined on the shaft coupling, connect by first connecting piece first combination hole with the first hole that is combined is in order to prevent the primary shaft is in first connecting hole internal rotation. It combines the hole to have the second on the outer peripheral face of second linkage segment. Have the second on the shaft coupling and combined the hole, connect by the second connecting piece the second combine the hole with the second is combined the hole, in order to prevent the secondary shaft is in second connecting hole internal rotation. The utility model has the advantages of, prevent the direction changing transmission of axle, make the assembly all become simple with dismantling, reduce the life of the some energy loss that arouse by the reversal, extension impeller and pump to a certain extent.
Description
Technical field
This utility model relates to vertical long shaft pump, a kind of attachment structure for vertical long shaft pump axis Yu axle.
Background technology
Field at vertical long shaft pump, along with the efficiency of the most progressive of technology and the fast-developing pump housing of processing manufacturing industry itself has reached at a relatively high stage, but keep on improving to also need to constantly improve and change water pump structure, thus reach to improve efficiency and reduce the purpose of energy loss.At present; in vertical long shaft pump; the connected mode of screwed coupling in the past; as shown in Figure 1, often as the backflow of water causes the reversion of impeller time water pump is shut down, the counter-rotating of axle is caused; so that shaft coupling is loosening; cause the elongated of axle and the spacing of axle, cause impeller location to move down and pump miscellaneous part produces friction, cause the abrasion of impeller and the reliable use cycle of pump to shorten.The water pump simultaneously allowing original assembling and setting good may need again to tear pump open, ressembles and allows impeller stop in position.
Utility model content
The purpose of this utility model is the problem solving the meeting counter-rotating of prior art axis, it is provided that a kind of novel attachment structure for vertical long shaft pump axis Yu axle.
To achieve these goals, the technical solution of the utility model is achieved in that a kind of attachment structure for vertical long shaft pump axis Yu axle, comprises,
First axle, it has the first linkage section, the outer peripheral face of described first linkage section has the first external screw thread, the outer peripheral face of described first linkage section also has the first combined hole；
Second axle, it has the second linkage section, the outer peripheral face of described second linkage section has the second external screw thread, the outer peripheral face of described second linkage section also has the second combined hole；And,
nullShaft coupling，It has the first end and the second end，On described shaft coupling, there is observation port、First connecting hole and the second connecting hole，Wherein，Described observation port system is from outer peripheral face beginning the extending radially inwardly along described shaft coupling of described shaft coupling，Described first connecting hole system is from the first end end face beginning axially extending at described observation port along described shaft coupling of described shaft coupling，There is on the inner peripheral surface of described first connecting hole first female thread corresponding with described first external screw thread，Match with described first external screw thread by described first female thread，Described first axle is combined permanently with described shaft coupling，Second end end face beginning axially extending at described observation port along described shaft coupling of shaft coupling described in described second connecting hole system，There is on the inner peripheral surface of described second connecting hole second female thread corresponding with the second external screw thread，Match with described second external screw thread by described second female thread，Described second axle is combined permanently with described shaft coupling；Also there is on described shaft coupling the first combined hole, described first combined hole system begins corresponding with described first combined hole along the inner peripheral surface extending radially to described first connecting hole and the described first combined hole of described shaft coupling from the outer face of described shaft coupling, described first combined hole and described first combined hole is connected, to prevent described first axle from rotating in described first connecting hole by the first connector；Also there is on described shaft coupling the second combined hole, described second combined hole system begins corresponding with described second combined hole along the inner peripheral surface extending radially to described second connecting hole and the described second combined hole of described shaft coupling from the outer face of described shaft coupling, described second combined hole and described second combined hole is connected, to prevent described second axle from rotating in described second connecting hole by the second connector.
As a kind of preferred version for vertical long shaft pump axis Yu the attachment structure of axle, the outer peripheral face of described first linkage section and the inner peripheral surface equal bitt face of described first connecting hole, the outer peripheral face of described second linkage section and the inner peripheral surface of described second connecting hole are all cylindroid.
As a kind of preferred version for vertical long shaft pump axis Yu the attachment structure of axle, the outer peripheral face of described first linkage section and the inner peripheral surface of described first connecting hole are all taper surface, and the outer peripheral face of described second linkage section and the inner peripheral surface of described second connecting hole are all taper surface.
As a kind of preferred version for vertical long shaft pump axis Yu the attachment structure of axle, first end end face of described shaft coupling and the inner peripheral surface joint of described first connecting hole form the first spigot surface, and the second end end face of described shaft coupling and the inner peripheral surface joint of described second connecting hole form the second spigot surface.Further, the end face of described first linkage section offsets with the end face of described second linkage section.Or further, the end face of described first linkage section is relative with the end face of described second linkage section, has cushion seal pad between the end face of described first linkage section and the end face of described second linkage section.
As a kind of preferred version for vertical long shaft pump axis Yu the attachment structure of axle, the aperture of described first connecting hole is identical with the aperture of described second connecting hole, and the hole depth of described first connecting hole is identical with the hole depth of described second connecting hole.
Compared with prior art, advantage of the present utility model is including at least following: 1, the transmission preventing axle to invert；2, assembly or disassembly is made all to become simple；3, decrease the portion of energy loss caused by reversion to a certain extent, extend the service life of impeller and pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art.
Fig. 2 is the structural representation of an embodiment in this utility model.
Detailed description of the invention
With embodiment, this utility model is elaborated below in conjunction with the accompanying drawings.
Referring to Fig. 2, shown in figure is a kind of attachment structure for vertical long shaft pump axis Yu axle, is mainly made up of first axle the 1, second axle 2 and shaft coupling 3.
Described first axle 1 has the first linkage section 10.There is on the outer peripheral face of described first linkage section 10 first external screw thread, the outer peripheral face of described first linkage section 10 also has the first combined hole 101.
Described second axle 2 has the second linkage section 20.There is on the outer peripheral face of described second linkage section 20 second external screw thread, the outer peripheral face of described second linkage section 20 also has the second combined hole 201.
Described shaft coupling 3 has the first end and the second end.There is on described shaft coupling 3 observation port the 33, first connecting hole 31 and the second connecting hole 32.nullWherein，Described observation port 33 is outer peripheral face beginning the extending radially inwardly along described shaft coupling 3 from described shaft coupling 3，Described first connecting hole 31 is the first end end face beginning axially extending at described observation port 33 along described shaft coupling 3 from described shaft coupling 3，On the inner peripheral surface of described first connecting hole 31, there is first female thread corresponding with described first external screw thread，Match with described first external screw thread by described first female thread，Described first axle 1 is combined permanently with described shaft coupling 3，Described second connecting hole 32 is the second end end face beginning axially extending at described observation port 33 along described shaft coupling 3 of described shaft coupling 3，On the inner peripheral surface of described second connecting hole 32, there is second female thread corresponding with the second external screw thread，Match with described second external screw thread by described second female thread，Described second axle 2 is combined permanently with described shaft coupling 3.Also there is on described shaft coupling 3 first combined hole 34, described first combined hole 34 is corresponding with described first combined hole 101 along the inner peripheral surface extending radially to described first connecting hole 31 and the described first combined hole 34 of described shaft coupling 3 from the outer face of described shaft coupling 3 beginning, described first combined hole 101 and described first combined hole 34 is connected, to prevent described first axle 1 from rotating in described first connecting hole 31 by the first connector 4.Also there is on described shaft coupling 3 second combined hole 35, described second combined hole 35 is corresponding with described second combined hole 201 along the inner peripheral surface extending radially to described second connecting hole 32 and the described second combined hole 35 of described shaft coupling 3 from the outer face of described shaft coupling 3 beginning, described second combined hole 201 and described second combined hole 35 is connected, to prevent described second axle 2 from rotating in described second connecting hole 32 by the second connector 5.
The outer peripheral face of described first linkage section 10 and the inner peripheral surface equal bitt face of described first connecting hole 31, the outer peripheral face of described second linkage section 20 and the inner peripheral surface of described second connecting hole 32 are all cylindroid.First end end face of described shaft coupling 3 forms the first spigot surface with the inner peripheral surface joint of described first connecting hole 31, and the second end end face of described shaft coupling 3 forms the second spigot surface with the inner peripheral surface joint of described second connecting hole 32.The end face of described first linkage section 10 offsets with the end face of described second linkage section 20.The aperture of described first connecting hole 31 is identical with the aperture of described second connecting hole 32, and the hole depth of described first connecting hole 31 is identical with the hole depth of described second connecting hole 32.
As can be seen from above, described first connector 4 and described second connector 5 not only act as the effect of location, described first axle 1 can also be ensured when impeller inverts, will not loosen between described second axle 2 and described shaft coupling 3, assembler when re-assemblying after removal, can be allowed to be clear from whether screwed coupling 3 has rotated to position.
Below only have expressed embodiment of the present utility model, it describes more concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (7)
1. the attachment structure for vertical long shaft pump axis with axle, it is characterised in that comprise,
First axle, it has the first linkage section, the outer peripheral face of described first linkage section has the first external screw thread, the outer peripheral face of described first linkage section also has the first combined hole；
Second axle, it has the second linkage section, the outer peripheral face of described second linkage section has the second external screw thread, the outer peripheral face of described second linkage section also has the second combined hole；And,
nullShaft coupling，It has the first end and the second end，On described shaft coupling, there is observation port、First connecting hole and the second connecting hole，Wherein，Described observation port system is from outer peripheral face beginning the extending radially inwardly along described shaft coupling of described shaft coupling，Described first connecting hole system is from the first end end face beginning axially extending at described observation port along described shaft coupling of described shaft coupling，There is on the inner peripheral surface of described first connecting hole first female thread corresponding with described first external screw thread，Match with described first external screw thread by described first female thread，Described first axle is combined permanently with described shaft coupling，Second end end face beginning axially extending at described observation port along described shaft coupling of shaft coupling described in described second connecting hole system，There is on the inner peripheral surface of described second connecting hole second female thread corresponding with the second external screw thread，Match with described second external screw thread by described second female thread，Described second axle is combined permanently with described shaft coupling；Also there is on described shaft coupling the first combined hole, described first combined hole system begins corresponding with described first combined hole along the inner peripheral surface extending radially to described first connecting hole and the described first combined hole of described shaft coupling from the outer face of described shaft coupling, described first combined hole and described first combined hole is connected, to prevent described first axle from rotating in described first connecting hole by the first connector；Also there is on described shaft coupling the second combined hole, described second combined hole system begins corresponding with described second combined hole along the inner peripheral surface extending radially to described second connecting hole and the described second combined hole of described shaft coupling from the outer face of described shaft coupling, described second combined hole and described second combined hole is connected, to prevent described second axle from rotating in described second connecting hole by the second connector.
A kind of attachment structure for vertical long shaft pump axis Yu axle the most according to claim 1, it is characterized in that, the outer peripheral face of described first linkage section and the inner peripheral surface equal bitt face of described first connecting hole, the outer peripheral face of described second linkage section and the inner peripheral surface of described second connecting hole are all cylindroid.
A kind of attachment structure for vertical long shaft pump axis Yu axle the most according to claim 1, it is characterized in that, the outer peripheral face of described first linkage section and the inner peripheral surface of described first connecting hole are all taper surface, and the outer peripheral face of described second linkage section and the inner peripheral surface of described second connecting hole are all taper surface.
4. according to a kind of attachment structure for vertical long shaft pump axis Yu axle described in Claims 2 or 3, it is characterized in that, first end end face of described shaft coupling and the inner peripheral surface joint of described first connecting hole form the first spigot surface, and the second end end face of described shaft coupling and the inner peripheral surface joint of described second connecting hole form the second spigot surface.
A kind of attachment structure for vertical long shaft pump axis Yu axle the most according to claim 4, it is characterised in that the end face of described first linkage section offsets with the end face of described second linkage section.
A kind of attachment structure for vertical long shaft pump axis Yu axle the most according to claim 4, it is characterized in that, the end face of described first linkage section is relative with the end face of described second linkage section, has cushion seal pad between the end face of described first linkage section and the end face of described second linkage section.
A kind of attachment structure for vertical long shaft pump axis Yu axle the most according to claim 1 and 2, it is characterized in that, the aperture of described first connecting hole is identical with the aperture of described second connecting hole, and the hole depth of described first connecting hole is identical with the hole depth of described second connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521124679.1U CN205446150U (en) | 2015-12-31 | 2015-12-31 | A connection structure that be used for vertical long axis pump axis with axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521124679.1U CN205446150U (en) | 2015-12-31 | 2015-12-31 | A connection structure that be used for vertical long axis pump axis with axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446150U true CN205446150U (en) | 2016-08-10 |
Family
ID=56599621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521124679.1U Expired - Fee Related CN205446150U (en) | 2015-12-31 | 2015-12-31 | A connection structure that be used for vertical long axis pump axis with axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446150U (en) |
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2015
- 2015-12-31 CN CN201521124679.1U patent/CN205446150U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20171231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |