CN209385301U - A kind of double bulb plunger pumps of novel radial direction - Google Patents
A kind of double bulb plunger pumps of novel radial direction Download PDFInfo
- Publication number
- CN209385301U CN209385301U CN201821610215.5U CN201821610215U CN209385301U CN 209385301 U CN209385301 U CN 209385301U CN 201821610215 U CN201821610215 U CN 201821610215U CN 209385301 U CN209385301 U CN 209385301U
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- plunger
- rotor
- hole
- radial direction
- pump case
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Abstract
The utility model relates to pump housing technical field more particularly to a kind of double bulb plunger pumps of novel radial direction.A kind of double bulb plunger pumps of novel radial direction, including main shaft, charging turbine, end cap, plunger pump case and the rotor in the middle part of plunger pump case, the plunger pump case is hollow cylindrical cavities, the plunger pump upper shell is closely connect with end cap, the rotor subject runs through in boss-shaped and middle part, the first through hole aperture on the upside of the rotor is greater than the second through hole aperture of downside, the double bulb plunger pumps of hydraulic radial disclosed by the utility model increase charging turbine structure, initial pressurization can be carried out to the driving medium for entering plunger pressurization, so that driving medium has enough flows and increases its discharge capacity when entering plunger pressurization stages.
Description
Technical field
The utility model relates to pump housing technical field more particularly to a kind of double bulb plunger pumps of novel radial direction.
Background technique
Radial plunger pump because its high pressure, big flow, low noise and be widely used among various hydraulic devices.At present
The plunger pump of China's research has had certain progress, but has between conventional its plunger of radial plunger pump and stator certain
Abrasion, wears after long time running even more serious, therefore devises a kind of double bulb plungers pumps of radial direction, and double bulbs and plunger
Between be attached by ball-head cover, ball-head cover can add lubricating grease filled with cavity and reduce its friction, because of its bulb and track
Contact area is larger, and double bulbs can share rail contact stress, therefore it is smaller for contact stress, than general radial single ball
Head plunger pump reduces bulb and stator inner wall abrasion aspect improves certain superiority.And in order to increase the pump inlet flow
Amount has carried out class turbocharging design, so that pump inlet flow can satisfy the boost demand of the pump.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of novel radial direction
Double bulb plunger pumps.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model are as follows: a kind of double balls of novel radial direction
Head plunger pump, including main shaft, charging turbine, end cap, plunger pump case and the rotor in the middle part of plunger pump case, the plunger
Pump case is hollow cylindrical cavities, and the plunger pump upper shell is closely connect with end cap, and the rotor subject is in boss-shaped
And middle part is run through, the first through hole aperture on the upside of the rotor is greater than the second through hole aperture of downside, among the rotor
It is vertically arranged with pintle, the pintle center vertical is provided with third through hole, and the pintle runs through with rotor second
It is sealed against each other between the face of hole joint and relative motion, the pintle lower end is through plunger pump case lower surface and solid therewith
Fixed connection, the rotor upper end are provided with charging turbine, closely connect on the outside of the second through hole and charging turbine of the rotor,
The charging turbine is connect with spindle thread, and end cap is run through in the main shaft upper end, and the main shaft bottom setting is fluted, described to match
It flows axis upper end and recess sidewall seals and relative motion；There are two low-pressure admission mouths and two high extrusion for setting on the pintle
Port, interlaced between the low-pressure admission mouth and the high pressure outlet air mouth to be arranged on pintle side wall, the high pressure
Gas outlet level runs through pintle side wall and third through hole, and the low-pressure admission mouth is vertically arranged and upper end and charging turbine
Gap connection, the equidistant array of rotor sidewall of the high pressure outlet air mouth same level height has multiple plunger holes, Mei Gesuo
It states and is provided with plunger in plunger hole, the plunger pump outer casing inner wall of the plunger hole sustained height is provided with oval plunger and pushes away
Dynamic slot, there are two bulb stoppers for each plunger end setting, and the setting that the bulb stopper can roll is in plunger end, the bulb stopper
It pushes in plunger and is rolled on slot, the low-pressure admission mouth pushes on flute length axis in the plunger, and the high pressure outlet air mouth is in institute
It states plunger to push on slot minor axis, rotor rotation is driven by rotation main shaft and charging turbine, charging turbine is by air from low pressure
Air inlet upper end is brought into plunger hole in communication, pushes plunger, when turning over long axis, plunger hole and low-pressure admission mouth
It disconnects, to the rotation of short straight line direction and compressed air, is connected to when minor axis will be reached with high pressure outlet air mouth, by high pressure sky
Gas is discharged into third through hole.
There are boss annular in shape, the third through hole of the boss upper end and master on inner wall on the upside of the third through hole
It is provided with ball-and-socket in the groove of axis bottom, threaded hole is provided in the ball-and-socket, positioning is provided in the boss and threaded hole
Bolt, the fastening screw pass through boss and are threadedly coupled with the threaded hole on the inside of ball-and-socket, the locating piece of the fastening screw bottom
Match with the third through hole inner wall on the downside of boss.
The head of the plunger is equipped with connecting rod, and the two sides of the connecting rod are respectively provided with a ball button, described two ball buttons
It is respectively cased with a bulb stopper, connecting rod is linked together with bulb stopper by connecting rod pin with the ball button for being located at connecting rod connecting rod two end, institute
The middle part of connecting rod is stated equipped with the connecting rod pin for connecting with plunger.
In the rotor rotation process, low-pressure admission mouth can be at most connected to two adjacent plunger holes.
Seal groove is provided on the upside of the main shaft, the end cap corresponding position is also equipped with seal groove, the main shaft and end
Sealing rubber ring is provided in lid seal groove.
The end cap is bolted to connection with the plunger pump case.
The pintle 5 is bolted to connection with plunger pump case.
Multiple stomatas are provided on the upside of the end cap, the end cap and rotor upper end generate cavity, the gap of the rotor
It is connected to cavity and stomata.
Spring clip is provided between the charging turbine and rotor, the charging turbine and spring clip, rotor pass through pin
It is attached.
The utility model has the beneficial effects that:
The double bulb plunger pump plungers of hydraulic radial disclosed by the utility model pass through connecting rod and two ball-head covers and two phases
The bulb answered is connected.It, can be filled with lubricating grease filled with cavity inside ball-head cover.These structures make original plunger and stator curved surface
Single-contact becomes double bulbs and contacts with the line of stator curved surface, greatly reduces the contact stress of plunger Yu stator curved surface, in turn
Reduce the friction of plunger and stator curved surface.Therefore friction effect is more preferable, and bearing capacity is stronger, and the longer life expectancy of plunger, noise is more
It is low.
The double bulb plungers pumps of hydraulic radial disclosed by the utility model increase charging turbine structure, can be to entering plunger
The driving medium of pressurization carries out initial pressurization, so that driving medium has enough flows and increase when entering plunger pressurization stages
Its discharge capacity.
Detailed description of the invention
The utility model is described further with case study on implementation with reference to the accompanying drawing.
Fig. 1 is the vertical cross-sectional view of the utility model；
Fig. 2 is the utility model horizontal cross；
Fig. 3 is the utility model main shaft and charging turbine scheme of installation；
Fig. 4 is the utility model internal structure cross-sectional view；
Fig. 5 rotor schematic diagram；
Fig. 6 is pintle schematic diagram；
Fig. 7 is pintle and rotor scheme of installation；
Fig. 8 is end cap schematic diagram.
Wherein: 1 sealing rubber ring, 2 fastening screws, 3 rotors, 4 ball buttons, 5 pintles, 6 end caps, 7 main shafts, 8 ball-and-sockets, 9
Charging turbine, 10 plunger pump cases, 11 bulb stoppers, 12 plungers, 13 connecting rods, 14 connecting rod pins, 15 spring clips.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
Referring to Fig. 1-8.
The utility model discloses a kind of double bulb plunger pumps of novel radial direction, including main shaft 7, charging turbine 9, end cap 6, column
Pump case 10 and the rotor 3 positioned at 10 middle part of plunger pump case are filled in, the plunger pump case 10 is hollow cylindrical cavities, described
10 upper end of plunger pump case is closely connect with end cap 6, and 3 main body of rotor runs through in boss-shaped and middle part, 3 upside of rotor
301 aperture of the first through hole be greater than 302 aperture of the second through hole of downside, 3 center vertical of rotor is provided with pintle
5,5 center vertical of pintle is provided with third through hole 503, and the pintle 5 connects with 3 second through hole 302 of rotor
It is sealed against each other between the face at place and relative motion, 5 lower end of pintle is through 10 lower surface of plunger pump case and fixed thereto
Connection, 3 upper end of rotor are provided with charging turbine 9, and the second through hole 302 of the rotor 3 and 9 outside of charging turbine are close
Connection, the charging turbine 9 are threadedly coupled with main shaft 7, and end cap 6 is run through in 7 upper end of main shaft, and 7 bottom of main shaft is provided with
Groove, 5 upper end of pintle and recess sidewall seal and relative motion；There are two low-pressure admissions for setting on the pintle 5
Mouth 501 and two high pressure outlet air mouths 502, interlaced row between the low-pressure admission mouth 501 and the high pressure outlet air mouth 502
For cloth on 5 side wall of pintle, the high pressure outlet air mouth 502 is horizontal through 5 side wall of pintle and third through hole 503, described
Low-pressure admission mouth 501 is vertically arranged and upper end is connected to the gap 901 of charging turbine 9,502 same level of high pressure outlet air mouth
The equidistant array of 3 side wall of rotor of height has multiple plunger holes 301, is provided with plunger 12 in each plunger hole 301, described
10 inner wall of plunger pump case of 301 sustained height of plunger hole is provided with oval plunger and pushes slot 1001, each column
Fill in the setting of 12 ends there are two bulb stopper 11, the setting that the bulb stopper 11 can roll is in 12 end of plunger, and the bulb stopper 11 is in column
Plug pushes to be rolled on slot 1001, and the low-pressure admission mouth 501 pushes on 1001 long axis of slot in the plunger, the high pressure outlet air
Mouth 502 pushes on 1001 minor axis of slot in the plunger, passes through rotation main shaft 7 and charging turbine 9 drives rotor 3 to rotate, be pressurized
Air is brought into plunger hole 301 in communication by turbine 9 from 501 upper end of low-pressure admission mouth, is pushed plunger 12, is being turned over length
When axis, plunger hole 301 and low-pressure admission mouth 501 are disconnected, and are rotating simultaneously compressed air to short straight line direction, short that will reach
It is connected to when axis with high pressure outlet air mouth 502, pressure-air is discharged into third through hole 503.
There are boss 504 annular in shape, the third of 504 upper end of boss on the inner wall of 503 upside of third through hole
It is provided with ball-and-socket 8 in through hole 503 and the groove of 7 bottom of main shaft, threaded hole, 504 He of boss are provided in the ball-and-socket 8
Fastening screw 2 is provided in threaded hole, the fastening screw 2 passes through boss and is threadedly coupled with the threaded hole of 8 inside of ball-and-socket, described
The locating piece of 2 bottom of fastening screw and 503 inner wall of third through hole of 504 downside of boss match.
The head of the plunger 12 is equipped with connecting rod 13, and the two sides of the connecting rod 13 are respectively provided with a ball button 4, described two
Ball button 4 is respectively cased with a bulb stopper 11, and connecting rod 13 passes through link pin with the ball button 4 and bulb stopper 11 for being located at 13 both ends of connecting rod connecting rod
Nail 14 links together, and the middle part of the connecting rod 13 is equipped with the connecting rod pin 14 for connecting with plunger 12.
In 3 rotation process of rotor, low-pressure admission mouth 501 can be at most connected to two adjacent plunger holes 301.
Be provided with seal groove on the upside of the main shaft 7,6 corresponding position of end cap is also equipped with seal groove, the main shaft 7 with
Sealing rubber ring 1 is provided in 6 seal groove of end cap.
The end cap 6 is bolted to connection with the plunger pump case 10.
The pintle 5 is bolted to connection with plunger pump case 10.
Multiple stomatas 601 are provided on the upside of the end cap, the end cap 6 generates cavity, the rotor 3 with 3 upper end of rotor
Gap be connected to cavity and stomata 601.
Spring clip 15, the charging turbine 9 and spring clip 15, rotor 3 are provided between the charging turbine 9 and rotor 3
It is attached by pin.
Connection structure: the main shaft 7 is attached with charging turbine 9 by screw thread, and charging turbine 9 and spring clip 15 turn
Son 3 is attached by pin, and the head of the plunger 12 is equipped with connecting rod 13, and the two sides of the connecting rod 13 are respectively provided with a bulb stopper
Set 4, described two ball buttons 4 are respectively cased with a bulb stopper 11, connecting rod 13 and the ball button 4 and bulb stopper for being located at 13 both ends of connecting rod connecting rod
11 are linked together by connecting rod pin 14, and the middle part of the connecting rod 13 is equipped with the connecting rod pin 14 for connecting with plunger 12,
End cap 6 is attached with stator 10 by bolt, and pintle 5 is attached with stator 10 by bolt.
Drive mechanism: when motor drives main shaft 7 to rotate by shaft coupling, main shaft 7 and charging turbine 9 are carried out by screw thread
Connection, charging turbine 9 and then rotate simultaneously, meanwhile, charging turbine 9 and spring clip 15, rotor 3 are attached by pin, from
And drive rotor 3 to rotate, while plunger 12 and double bulbs 11 follow rotor 3 to rotate, it is double under the action of inertia force and centrifugal force
Bulb 11 is close to 10 inner wall of stator and is moved, while plunger 12 is made back and forth along stator inner curve trajectory with respect to plunger hole
Movement.
Working principle: Fig. 1, the double bulb plunger pump work principles of hydraulic radial in 2 are when motor drives main shaft 7 to rotate
When, main shaft 7 is attached with charging turbine 9 by screw thread, and charging turbine 9 and then rotates simultaneously, so that the transmission to entrance is situated between
Matter is pressurized, meanwhile, charging turbine 9 and spring clip 15, rotor 3 are attached by pin, so that rotor 3 is driven to rotate,
Plunger 12 and double bulbs 11 follow rotor 3 to rotate simultaneously, and under the action of inertia force and centrifugal force, double bulbs 11 are close to stator
10 inner walls are moved, while plunger 12 makees back and forth movement with respect to plunger hole along stator inner curve trajectory, make its plunger 12,
The working cavity volume generating period variation formed between plunger hole and pintle 5, when plunger 12 is transported from orbital curve short axle
When moving long axis, working cavity volume becomes larger, thus realize low pressure inhale driving medium, on the contrary from long axis motion to short axle when, work
Become smaller as cavity volume, high-voltage drive medium is extruded.Plunger constantly carries out cycle movement, to endlessly export
High-voltage drive medium.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technical field,
It is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of double bulb plunger pumps of novel radial direction, it is characterised in that: including main shaft (7), charging turbine (9), end cap (6), column
The rotor (3) filling in pump case (10) and being located in the middle part of plunger pump case (10), the plunger pump case (10) are hollow column
Cavity, plunger pump case (10) upper end are closely connect with end cap (6), and rotor (3) main body is passed through in boss-shaped and middle part
It wears, the first through hole (301) aperture on the upside of the rotor (3) is greater than the second through hole (302) aperture of downside, the rotor
(3) center vertical is provided with pintle (5), and pintle (5) center vertical is provided with third through hole (503), described to match
It flows and is sealed against each other and relative motion between the face of axis (5) and rotor (3) second through hole (302) joint, the pintle (5)
Plunger pump case (10) lower surface and connection fixed thereto are run through in lower end, and rotor (3) upper end is provided with charging turbine (9),
It is closely connect on the outside of the second through hole (302) of the rotor (3) and charging turbine (9), the charging turbine (9) and main shaft
(7) it is threadedly coupled, end cap (6) are run through in main shaft (7) upper end, and fluted, the pintle is arranged in main shaft (7) bottom
(5) upper end and recess sidewall sealing and relative motion；There are two low-pressure admission mouth (501) and two for setting on the pintle (5)
A high pressure outlet air mouth (502), interlaced arrangement between the low-pressure admission mouth (501) and the high pressure outlet air mouth (502)
On pintle (5) side wall, the high pressure outlet air mouth (502) is horizontal to run through pintle (5) side wall and third through hole
(503), the low-pressure admission mouth (501) is vertically arranged and upper end is connected to the gap (901) of charging turbine (9), the high pressure
The equidistant array of rotor (3) side wall of gas outlet (502) same level height has multiple plunger holes (301), each plunger
It is provided with plunger (12) in hole (301), plunger pump case (10) inner wall of plunger hole (301) sustained height is provided in ellipse
Circular plunger pushes slot (1001), and there are two bulb stopper (11) for each plunger (12) end setting, and the bulb stopper (11) can
With the setting of rolling in plunger (12) end, the bulb stopper (11) pushes in plunger and rolls on slot (1001), the low-pressure admission
Mouth (501) pushes on slot (1001) long axis in the plunger, and the high pressure outlet air mouth (502) pushes slot in the plunger
(1001) on minor axis, rotor (3) are driven to rotate by rotation main shaft (7) and charging turbine (9), charging turbine (9) is by air
It is brought into plunger hole in communication (301) from low-pressure admission mouth (501) upper end, pushes plunger (12), turning over long axis
When, plunger hole (301) and low-pressure admission mouth (501) disconnect, and are rotating simultaneously compressed air to short straight line direction, short that will reach
It is connected to when axis with high pressure outlet air mouth (502), pressure-air is discharged into third through hole (503).
2. a kind of double bulb plunger pumps of novel radial direction according to claim 1, it is characterised in that: the third through hole
(503) have on the inner wall on the upside of boss annular in shape (504), the third through hole (503) and main shaft of boss (504) upper end
(7) it is provided in the groove of bottom ball-and-socket (8), is provided with threaded hole, the boss (504) and threaded hole in the ball-and-socket (8)
It is inside provided with fastening screw (2), the fastening screw (2) passes through boss and is threadedly coupled with the threaded hole on the inside of ball-and-socket (8), described
The locating piece of fastening screw (2) bottom matches with third through hole (503) inner wall on the downside of boss (504).
3. a kind of double bulb plunger pumps of novel radial direction according to claim 1, it is characterised in that: the head of the plunger (12)
Portion is equipped with connecting rod (13), and the two sides of the connecting rod (13) are respectively provided with a ball button (4), and described two ball buttons (4) are respectively cased with
One bulb stopper (11), connecting rod (13) pass through connecting rod pin with the ball button (4) and bulb stopper (11) for being located at connecting rod connecting rod (13) both ends
(14) it links together, the middle part of the connecting rod (13) is equipped with the connecting rod pin (14) for connecting with plunger (12).
4. a kind of double bulb plunger pumps of novel radial direction according to claim 1, it is characterised in that: rotor (3) rotation
In the process, low-pressure admission mouth (501) can be at most connected to two adjacent plunger holes (301).
5. a kind of double bulb plunger pumps of novel radial direction according to claim 1, it is characterised in that: on the upside of the main shaft (7)
It is provided with seal groove, end cap (6) corresponding position is also equipped with seal groove, sets in the main shaft (7) and end cap (6) seal groove
It is equipped with sealing rubber ring (1).
6. a kind of double bulb plunger pumps of novel radial direction according to claim 1, it is characterised in that: the end cap (6) and institute
Plunger pump case (10) is stated to be bolted to connection.
7. a kind of double bulb plungers pumps of novel radial direction according to claim 1, it is characterised in that: the pintle (5) with
Plunger pump case (10) is bolted to connection.
8. a kind of double bulb plunger pumps of novel radial direction according to claim 1, it is characterised in that: setting on the upside of the end cap
Have multiple stomatas (601), the end cap (6) and rotor (3) upper end generate cavity, the gap of the rotor (3) and cavity and
Stomata (601) connection.
9. a kind of double bulb plunger pumps of novel radial direction according to claim 1, it is characterised in that: the charging turbine (9)
It is provided between rotor (3) spring clip (15), the charging turbine (9) and spring clip (15), rotor (3) are carried out by pin
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610215.5U CN209385301U (en) | 2018-09-30 | 2018-09-30 | A kind of double bulb plunger pumps of novel radial direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610215.5U CN209385301U (en) | 2018-09-30 | 2018-09-30 | A kind of double bulb plunger pumps of novel radial direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385301U true CN209385301U (en) | 2019-09-13 |
Family
ID=67866191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821610215.5U Expired - Fee Related CN209385301U (en) | 2018-09-30 | 2018-09-30 | A kind of double bulb plunger pumps of novel radial direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209385301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268232A (en) * | 2018-09-30 | 2019-01-25 | 南昌大学 | A kind of double bulb plunger pumps of novel radial direction |
-
2018
- 2018-09-30 CN CN201821610215.5U patent/CN209385301U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268232A (en) * | 2018-09-30 | 2019-01-25 | 南昌大学 | A kind of double bulb plunger pumps of novel radial direction |
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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: 20190913 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |