CN206409347U - A kind of plunger pump - Google Patents
A kind of plunger pump Download PDFInfo
- Publication number
- CN206409347U CN206409347U CN201621484861.2U CN201621484861U CN206409347U CN 206409347 U CN206409347 U CN 206409347U CN 201621484861 U CN201621484861 U CN 201621484861U CN 206409347 U CN206409347 U CN 206409347U
- Authority
- CN
- China
- Prior art keywords
- plunger pump
- electric machine
- disc type
- type electric
- connecting tube
- 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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- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The utility model discloses a kind of plunger pump, including disc type electric machine and plunger pump body, connecting tube is provided with the disc type electric machine, the connecting tube is fixedly connected with disc type electric machine, it is provided with to be provided with the screw matched with external screw thread, the rotating shaft of the disc type electric machine on external screw thread, the plunger pump body in the connecting tube and is provided with tenon portion, the pump main shaft end of the plunger pump body is provided with the mortise matched with tenon portion, and the tenon portion is inserted in mortise;The plunger pump axial dimension is short, good for the restricted local applicability of axial dimension.
Description
Technical field
The utility model is related to a kind of plunger pump.
Background technology
Plunger pump is an important device of hydraulic system.It drives plunger to be moved back and forth in cylinder body by motor, makes
The volume of seal operation cavity volume changes to realize oil suction, force feed.There is plunger pump high rated pressure, efficiency high and flow to adjust
The advantages of facilitating is saved, is widely used in the occasion that high pressure, big flow and flow need to adjust, such as hydraulic press, engineering machinery
In ship.Plunger pump all carries special motor substantially.
But existing plunger pump and axial longer dimension after motor installation, it is not suitable for being restricted installed in axial dimension
Place.
Utility model content
It is short that the technical problems to be solved in the utility model is to provide a kind of axial dimension, for axial dimension restrictedly
The good plunger pump of square applicability.
To solve the above problems, the utility model is adopted the following technical scheme that:
Connecting tube, the company are provided with a kind of plunger pump, including disc type electric machine and plunger pump body, the disc type electric machine
Adapter is fixedly connected with disc type electric machine, is provided with external screw thread, the plunger pump body and is provided with and outer spiral shell in the connecting tube
Tenon portion is provided with the screw that line matches, the rotating shaft of the disc type electric machine, the pump main shaft end of the plunger pump body is set
The mortise matched with tenon portion is equipped with, the tenon portion is inserted in mortise.
Preferably, the connecting tube and disc type electric machine are fixedly connected as welding, connecting tube is connected surely with disc type electric machine
It is fixed reliable.
Preferably, the external screw thread is closely-pitched external screw thread, fine thread has the characteristics of lift angle little ﹐ self-locking properties are good,
Anti-loosing effect is good.
Preferably, the externally threaded tooth form is triangle, can effectively ensure connecting tube and plunger pump body it
Between compactness.
Preferably, the length of the connecting tube is 2/3rds of the length in tenon portion, because tenon portion compares connecting tube
It is long, first tenon portion can be inserted into after mortise with convenient use person again tightened connecting tube with plunger pump body when mounted, can
It is easier for installation to cause.
Preferably, the rotating shaft of the disc type electric machine is set with tenon portion for integral type, Stability Analysis of Structures.
Preferably, the connecting tube and the junction of plunger pump body are provided with rubber belt, can effectively it be lifted
Connecting tube and the seal of the junction of plunger pump body, prevent from causing connecting tube and plunger occur because fluid is infiltered in screw
There is the hidden danger departed from use in pump body.
The beneficial effects of the utility model are:By using the disc type with the characteristics of profile is flat, axial dimension is short
Motor, along with the rotating shaft and the connection of the pump main shaft of plunger pump body of disc type electric machine employ joinery and its construction, disc type electric machine
A rotating shaft part is inserted into the pump main shaft of plunger pump body, so that the axial dimension compared with traditional motor-driven plunger pump
It is short, small volume good for the restricted local applicability of axial dimension, in addition, connecting tube and disc type electric machine are welded, connecting tube with
Disc type electric machine stable connection is reliable.External screw thread is closely-pitched external screw thread, and fine thread has the characteristics of lift angle little ﹐ self-locking properties are good,
Anti-loosing effect is good.Externally threaded tooth form is triangle, can effectively ensure the compactness between connecting tube and plunger pump body.
The length of connecting tube is 2/3rds of the length in tenon portion, because tenon portion is than connection pipe range, can conveniently be made when mounted
Tenon portion is first inserted into after mortise and again tightens connecting tube with plunger pump body by user, can cause easier for installation.Disk
The rotating shaft of formula motor is set with tenon portion for integral type, Stability Analysis of Structures.Connecting tube and the junction of plunger pump body are provided with life
Adhesive tape layer, can effectively lift connecting tube and the seal of the junction of plunger pump body, prevent because fluid is infiltered in screw
And cause the hidden danger that connecting tube has disengaging with plunger pump body in use occur.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of overall structure diagram of plunger pump of the utility model;
Fig. 2 is a kind of structural representation of the disc type electric machine of plunger pump of the utility model;
Fig. 3 is a kind of structural representation of the plunger pump body of plunger pump of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
Embodiment 1
As Figure 1-3, set on a kind of plunger pump, including disc type electric machine 1 and plunger pump body 2, the disc type electric machine 1
There is connecting tube 3, the connecting tube 3 is welded with disc type electric machine 1, external screw thread 4, the plunger pump sheet are provided with the connecting tube 3
The screw 5 matched with external screw thread is provided with body 2, the end of rotating shaft 6 of the disc type electric machine 1 is provided with the tenon of rectangular-shape
Portion 7, the end of pump main shaft 8 of the plunger pump body 2 is provided with the mortise 9 matched with tenon portion 7, and the tenon portion 7 is inserted
In in mortise 9.By using the disc type electric machine 1 with the characteristics of profile is flat, axial dimension is short, along with disc type electric machine 1
The connection of pump main shaft 8 of rotating shaft 6 and plunger pump body 1 employ joinery and its construction, the part insertion of rotating shaft 6 of disc type electric machine 1
Into the pump main shaft 8 of plunger pump body 2, so that axial dimension is short compared with traditional motor-driven plunger pump, for axial direction
The local applicability of size-constrained system is good.
The present embodiment has the beneficial effect that:By using the disc type electricity with the characteristics of profile is flat, axial dimension is short
Machine, along with the connection of the pump main shaft of rotating shaft and the plunger pump body of disc type electric machine employs joinery and its construction, disc type electric machine turns
An axle part is inserted into the pump main shaft of plunger pump body, so that the axial dimension compared with traditional motor-driven plunger pump
It is short, small volume good for the restricted local applicability of axial dimension.
Embodiment 2
As Figure 1-3, set on a kind of plunger pump, including disc type electric machine 1 and plunger pump body 2, the disc type electric machine 1
There is connecting tube 3, the connecting tube 3 is welded with disc type electric machine 1, external screw thread 4, the plunger pump sheet are provided with the connecting tube 3
It is provided with body 2 in the screw 5 matched with external screw thread, the rotating shaft 6 of the disc type electric machine 1 and is provided with tenon portion 7, the plunger
The end of pump main shaft 8 of pump body 2 is provided with the mortise 9 matched with tenon portion 7, and the tenon portion 7 is inserted in mortise 9.Institute
External screw thread 4 is stated for closely-pitched external screw thread, fine thread has the characteristics of lift angle little ﹐ self-locking properties are good, and anti-loosing effect is good.The outer spiral shell
The tooth form of line 4 is triangle, can effectively ensure the compactness between connecting tube 3 and plunger pump body 2.The connecting tube 3
Length for tenon portion 7 length 2/3rds, when mounted can be with convenient use person because tenon portion 7 is longer than connecting tube 3
First tenon portion 7 is inserted into after mortise 9 and again tightened connecting tube 3 with plunger pump body 2, can be caused easier for installation.Institute
The rotating shaft 6 and tenon portion 7 for stating disc type electric machine 1 are set for integral type, Stability Analysis of Structures.The connecting tube 3 and the company of plunger pump body 2
The place of connecing is provided with rubber belt(It is not shown), can effectively lift the closed of connecting tube 3 and the junction of plunger pump body 2
Property, prevent from causing the hidden danger that connecting tube 3 has disengaging with plunger pump body 2 in use occur because fluid is infiltered in screw 5.
By using the disc type electric machine 1 with the characteristics of profile is flat, axial dimension is short, rotating shaft 6 and post along with disc type electric machine 1
The connection of the pump main shaft 8 of plug pump body 1 employs joinery and its construction, and the part of rotating shaft 6 of disc type electric machine 1 is inserted into plunger pump body
In 2 pump main shaft 8, so that axial dimension is short compared with traditional motor-driven plunger pump, it is restricted for axial dimension
Local applicability is good.
The present embodiment has the beneficial effect that:By using the disc type electricity with the characteristics of profile is flat, axial dimension is short
Machine, along with the connection of the pump main shaft of rotating shaft and the plunger pump body of disc type electric machine employs joinery and its construction, disc type electric machine turns
An axle part is inserted into the pump main shaft of plunger pump body, so that the axial dimension compared with traditional motor-driven plunger pump
Short, good for the restricted local applicability of axial dimension, small volume, connecting tube and disc type electric machine stable connection are reliable.Outer spiral shell
Line is closely-pitched external screw thread, and fine thread has the characteristics of lift angle little ﹐ self-locking properties are good, and anti-loosing effect is good.Externally threaded tooth form is
Triangle, can effectively ensure the compactness between connecting tube and plunger pump body.The length of connecting tube is the length in tenon portion
2/3rds of degree, because tenon portion is than connection pipe range, first can be inserted into mortise with convenient use person by tenon portion when mounted
Connecting tube is tightened with plunger pump body again afterwards, can be caused easier for installation.The rotating shaft of disc type electric machine is one with tenon portion
Body formula is set, Stability Analysis of Structures.Connecting tube and the junction of plunger pump body are provided with rubber belt, can effectively lift connection
Pipe and the seal of the junction of plunger pump body, prevent from causing connecting tube and plunger pump sheet occur because fluid is infiltered in screw
There is the hidden danger departed from use in body.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any change or replacement expected without creative work should all be covered within protection domain of the present utility model.
Claims (7)
1. a kind of plunger pump, it is characterised in that:Including disc type electric machine and plunger pump body, connection is provided with the disc type electric machine
Pipe, the connecting tube is fixedly connected with disc type electric machine, is provided with external screw thread, the plunger pump body and is set in the connecting tube
Have and tenon portion is provided with the screw matched with external screw thread, the rotating shaft of the disc type electric machine, the pump master of the plunger pump body
Shaft end is provided with the mortise matched with tenon portion, and the tenon portion is inserted in mortise.
2. a kind of plunger pump according to claim 1, it is characterised in that:The connecting tube is fixedly connected with disc type electric machine
For welding.
3. a kind of plunger pump according to claim 2, it is characterised in that:The external screw thread is closely-pitched external screw thread.
4. a kind of plunger pump according to claim 3, it is characterised in that:The externally threaded tooth form is triangle.
5. a kind of plunger pump according to claim 4, it is characterised in that:The length of the connecting tube is the length in tenon portion
2/3rds.
6. a kind of plunger pump according to claim 5, it is characterised in that:The rotating shaft of the disc type electric machine is one with tenon portion
Body formula is set.
7. a kind of plunger pump according to claim 6, it is characterised in that:The connecting tube and the junction of plunger pump body
It is provided with rubber belt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621484861.2U CN206409347U (en) | 2016-12-31 | 2016-12-31 | A kind of plunger pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621484861.2U CN206409347U (en) | 2016-12-31 | 2016-12-31 | A kind of plunger pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206409347U true CN206409347U (en) | 2017-08-15 |
Family
ID=59552144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621484861.2U Expired - Fee Related CN206409347U (en) | 2016-12-31 | 2016-12-31 | A kind of plunger pump |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206409347U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108462308A (en) * | 2018-03-22 | 2018-08-28 | 台州奕翔机电有限公司 | A kind of electric direct-drive plunger pump |
-
2016
- 2016-12-31 CN CN201621484861.2U patent/CN206409347U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108462308A (en) * | 2018-03-22 | 2018-08-28 | 台州奕翔机电有限公司 | A kind of electric direct-drive plunger pump |
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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 |
Granted publication date: 20170815 Termination date: 20181231 |
|
CF01 | Termination of patent right due to non-payment of annual fee |