CN206409347U - A kind of plunger pump - Google Patents

A kind of plunger pump Download PDF

Info

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
Application number
CN201621484861.2U
Other languages
Chinese (zh)
Inventor
梁国炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Rui Mao Scientific Instrument Co
Original Assignee
Guangzhou Rui Mao Scientific Instrument Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Rui Mao Scientific Instrument Co filed Critical Guangzhou Rui Mao Scientific Instrument Co
Priority to CN201621484861.2U priority Critical patent/CN206409347U/en
Application granted granted Critical
Publication of CN206409347U publication Critical patent/CN206409347U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • 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

A kind of plunger pump
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.
CN201621484861.2U 2016-12-31 2016-12-31 A kind of plunger pump Expired - Fee Related CN206409347U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN107620703B (en) Mechanical-pump integrated submersible direct-drive screw pump oil extraction device and method
CN206409347U (en) A kind of plunger pump
CN107401195B (en) Water flow supercharging device for fire hydrant
CN201756921U (en) Coupling-free petroleum casing pipe with variable-pitch buttress threads
CN205135986U (en) Backward flow formula material feeding unit
CN208934910U (en) A kind of adjustable flux type screw pump
CN215486578U (en) Dry-type screw air compressor with pressure stabilizer
CN207514431U (en) A kind of plastic conduit male connection
CN207762353U (en) A kind of liquid electricity combination slip ring
CN207421344U (en) A kind of multi-functional valve
CN206865084U (en) A kind of latent oil for oil pipe hoop justifies cable universal adjustable electric cable protector
CN206071471U (en) The anti-lost joint of fast self-locking
CN205578362U (en) Damping pipeline centrifugal pump
CN215488205U (en) Oil suction pipe steel pipe flange
CN110323591A (en) A kind of single condctor splicing sleeve
CN205413529U (en) Oil pressure resets formula high pressure and annotates an agent rifle
CN220492599U (en) Assembled device for single-sided plugging of sleeve
CN214464122U (en) Wellhead pressure testing device
CN218347369U (en) Large-displacement screw pressurizing prying structure
CN207795588U (en) A kind of centrifugal deep well pump
CN215444837U (en) Drill rod braking device for horizontal directional drilling machine
CN213743321U (en) Coaxial visual drilling tool fishing tool
CN220667932U (en) Anti-rotation part for pump assembly
CN220770410U (en) Water conservancy pipeline
CN210715123U (en) High-pressure pump

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