CN207647763U - Regulating plunger of pulsing pumps - Google Patents

Abstract

A kind of pulsation regulating plunger pump, including the pump housing, the pump housing is interior to be arranged bent axle, and bent axle connects several plungers by connecting rod, and plunger stretches to pump head, plunger cavity corresponding with plunger quantity is equipped in pump head, it is characterised in that：Each plunger cavity is connected separately with inlet and outlet, and water inlet is combined with water feeding one-way valve, and water outlet is combined with out water one-way valve；The mandril for stretching to water feeding one-way valve is provided on pump head, mandril is connected with the regulating mechanism for driving mandril axial stretching, and mandril overcomes the spring force of water feeding one-way valve to open water inlet when protracting.The utility model provides a kind of pulsation regulating plunger pump, realizes that plunger pump surging is adjustable by setting pulsation valve arrangement, is preferably applied to pipeline cleaning.

Description

Regulating plunger of pulsing pumps

Technical field

The utility model belongs to water pump technology, refers in particular to a kind of pulsation regulating plunger pump.

Background technology

Plunger pump is for when spot, encountering difficult rinse in flushing pipe in place of, increasing flow fluctuation can more preferably remove；But It is that plunger pump is in larger pulse state always, then shakes larger and reduce plunger pump service life.

Utility model content

The purpose of this utility model is to provide a kind of pulsation regulating plunger pump, and plunger pump is realized by setting pulsation valve arrangement It pulses adjustable, is preferably applied to pipeline cleaning.

What the purpose of this utility model was realized in：A kind of pulsation regulating plunger pump, including the pump housing, the interior setting of the pump housing are bent Axis, bent axle connect several plungers by connecting rod, and plunger stretches to pump head, plunger cavity corresponding with plunger quantity is equipped in pump head, It is characterized in that：Each plunger cavity is connected separately with inlet and outlet, and water inlet is combined with water feeding one-way valve, water outlet cooperation There is water one-way valve；The mandril for stretching to water feeding one-way valve is provided on pump head, mandril is connected with the tune for driving mandril axial stretching Mechanism is saved, mandril overcomes the spring force of water feeding one-way valve to open water inlet when protracting.

Wherein, the exhalant canal that the intake tunnel that the water inlet is connected to is connected with water outlet is respectively set on lower pump head Lower both sides, mandril are upward through intake tunnel and water inlet by pump head bottom, and push up to water feeding one-way valve.

Wherein, the water feeding one-way valve includes inlet valve seat, water inlet spring, water inlet spool, and inlet valve seat cooperation is being intake Mouth inner face, inlet valve seat back-supported have support, the support other end to be supported on water outlet inner face；Intake spring setting into Between water valve core and inlet valve seat, and water inlet spool is pressed together on water inlet inner face；It is described go out water one-way valve water outlet spool Lid is closed in water outlet outer end face.

Wherein, the regulating mechanism includes stop collar, rotating core, dials handle, resetting spring, and stop collar is fixed on pump head bottom Portion, rotating core are rotatably arranged in stop collar, are dialled handle and are articulated on rotating core, resetting spring is set on mandril, mandrel ends It is resisted against and dials on handle, and pushed under action of reset spring and dial handle；Stop collar is equipped with open-top notch and release notch, two notches It is interconnected, dials handle and extend radially out stop collar across notch.

Wherein, cylinder body is set in the pump housing, and plunger tail sliding cooperation is in cylinder body, and outer end is to arch on the upside of cylinder body It rises so that cylinder body upper side wall forms oil storage tank, and oil storage trench bottom is equipped with the oil-through-hole of connection inner chamber of cylinder block.

The utility model is prominent and beneficial compared with prior art to be had the technical effect that：

1, the utility model drives mandril flexible by regulating mechanism, thus check valve that is open-top or closing water inlet, When open-top water feeding one-way valve, then water inlet is in normally open, and when piston reciprocation moves, inflow and outflow is all passed through from water inlet It crosses, which no longer works；When mandril bounces back, water feeding one-way valve is pressed in water inlet under the action of the spring, and the plunger cavity is just Often work；When work, several plunger cavity work can be targetedly adjusted as needed and are fitted to artificially change flow fluctuation Answer pipeline cleaning operation.

2, oil storage slot structure is arranged in the utility model on cylinder body, and lubricating oil is thrown to oil storage tank using the whipping of bent axle, Lubricating oil is flowed into inner chamber of cylinder block by the oil-through-hole of oil storage tank again, plays the lubricating action to plunger and cylinder body mating surface.

Description of the drawings

Fig. 1 is the overall structure figure of the utility model；

Fig. 2 is the entirety sectional view of the utility model；

Fig. 3 is the partial sectional view of the utility model；

Fig. 4 is the structure chart of the utility model pump head；

Fig. 5 is the exploded view of the utility model pump head；

Fig. 6 is the cooperation figure of the utility model check valve and mandril.

Reference numeral:1, the pump housing；2, plunger；3, pump head；4, bolt；5, cylinder body；5a, it arches upward；5b, oil-through-hole；6, bent axle； 7, connecting rod；8, plunger cavity；9, bushing；10, mandril；11, water inlet；12, water outlet；13, regulating mechanism；13a, rotating core； 13b, stop collar；13b1, release notch；13b2, open-top notch；13c, handle is dialled；13d, resetting spring；14, go out water one-way valve； 14a, water outlet spool；14b, water outlet valve seat；14c, water outlet gasket ring；15, water feeding one-way valve；15a, inlet valve seat；15b, water inlet bullet Spring；15c, water inlet spool；15d, water inlet gasket ring；16, support；17, seal plug.

Specific implementation mode

The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-6：

A kind of pulsation regulating plunger pump, including the pump housing 1, the pump housing 1 is interior to be arranged bent axle 6, and bent axle 6 is connected several by connecting rod 7 Plunger 2 is three groups of plungers 2 in attached drawing；Plunger 2 stretches to pump head 3, and pump head 3 and the pump housing 1 are fixed by bolt 4；It is equipped in pump head 3 Plunger cavity 8 corresponding with 2 quantity of plunger, the bushing 9 that the interior setting of plunger cavity 8 coordinates with plunger 2；Each plunger cavity 8 is separately connected There are water inlet 11 and water outlet 12, water inlet 11 to be located at downside, water outlet 12 is located at upside, and water inlet 11 connects intake tunnel, Water outlet 12 connects exhalant canal；In conjunction with Fig. 2 and Fig. 3, water inlet 11 is combined with water feeding one-way valve 15, and water outlet 12 is combined with out Water one-way valve 14；Be provided with the mandril 10 for stretching to water feeding one-way valve 15 on pump head 3, mandril 10 by 3 bottom of pump head be upward through into Aquaporin and water inlet 11, and push up to water feeding one-way valve 15；10 tail portion of mandril is connected with the adjusting for driving 10 axial stretching of mandril Mechanism 13, mandril 10 overcome the spring force of water feeding one-way valve 15 to open water inlet 11 when protracting.

In conjunction with Fig. 6, water feeding one-way valve 15 includes inlet valve seat 15a, water inlet spring 15b, water inlet spool 15c, inlet valve seat 15a coordinates in 11 inner face of water inlet, and inlet valve seat 15a back-supporteds have support 16,16 other end of support to be supported on water outlet 12 inner faces；Spring 15b of intaking is arranged between spool 15c and inlet valve seat 15a of intaking, and water inlet spool 15c is pressed together on 11 inner face of water inlet；It is that the head of spool is respectively set to be provided on water inlet 11 into water gasket ring 15d, water inlet gasket ring 15d Corresponding conical surface sealing structure；It includes water outlet valve seat 14b, water outlet spool 14a and water outlet gasket ring 14c, water outlet to go out water one-way valve 14 On water outlet 12, the installation that setting gas supply is packed into is arranged on exhalant canal, the pump housing 1 in water outlet valve seat 14b for gasket ring 14c cooperations Hole, mounting hole are covered by pump cover, and mounting hole is blocked by seal plug 17, and water outlet valve seat 14b is not supported on seal plug 17, Water outlet spool 14a is then limited in water outlet valve seat 14b, and is closed on the water outlet gasket ring 14c of water outlet 12 by lid of conducting oneself with dignity.

Wherein, regulating mechanism 13 includes stop collar 13b, rotating core 13a, dials handle 13c, resetting spring 13d, stop collar 13b It is fixed on 3 bottom of pump head, rotating core 13a is rotatably arranged in stop collar 13b, is dialled handle 13c and is articulated on rotating core 13a, resets Spring 13d is set on mandril 10, and 10 end of mandril is pushed under resetting spring 13d effect downwards against dialling on handle 13c Dial handle 13c；Stop collar 13b is equipped with open-top notch 13b2 and release notch 13b1, and two notches are interconnected, and dial handle 13c and pass through Notch extends radially out stop collar 13b.It dials handle 13c and circumferentially rotates the variation realized on two gap positions.It should be noted that Regulating mechanism is not limited solely to said program, can also be other driving 10 axial actions of mandril such as servo motor, cylinder Structure.

It is specific to see Fig. 2, cylinder body 5 is set in the pump housing 1, and the sliding cooperation of 2 tail portion of plunger is in cylinder body 5,5 upside outer end of cylinder body Arch upward 5a upwards so that 5 upper side wall of cylinder body forms oil storage tank, and oil storage trench bottom is equipped with the oil-through-hole 5b of 5 inner cavity of connection cylinder body.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model Within the scope of.

Claims (5)

1. a kind of pulsation regulating plunger pump, including the pump housing (1), the interior setting bent axle (6) of the pump housing (1), bent axle (6) pass through connecting rod (7) Several plungers (2) are connected, plunger (2) stretches to pump head (3), plunger cavity (8) corresponding with plunger (2) quantity is equipped in pump head (3), It is characterized in that：Each plunger cavity (8) is connected separately with water inlet (11) and water outlet (12), and water inlet (11) is combined with into water Check valve (15), water outlet (12) are combined with out water one-way valve (14)；It is provided on pump head (3) and stretches to water feeding one-way valve (15) Mandril (10), mandril (10) are connected with the regulating mechanism (13) for driving mandril (10) axial stretching, and mandril (10) overcomes when protracting The spring force of water feeding one-way valve (15) is to open water inlet (11).

2. pulsation regulating plunger pump according to claim 1, it is characterised in that：The water inlet that the water inlet (11) is connected to Lower pump head (3) both sides up and down are respectively set in the exhalant canal of channel and water outlet (12) connection, and mandril (10) is by pump head (3) bottom It is upward through intake tunnel and water inlet (11), and is pushed up to water feeding one-way valve (15).

3. pulsation regulating plunger pump according to claim 1, it is characterised in that：The water feeding one-way valve (15) includes water inlet Valve seat, water inlet spring, water inlet spool, inlet valve seat coordinate in water inlet (11) inner face, and inlet valve seat back-supported has support (16), support (16) other end is supported on water outlet (12) inner face；Intake spring setting water inlet spool and inlet valve seat it Between, and water inlet spool is pressed together on water inlet (11) inner face；It is described go out water one-way valve (14) water outlet spool (14a) lid close exist Water outlet (12) outer end face.

4. pulsation regulating plunger pump according to claim 2, it is characterised in that：The regulating mechanism (13) includes stop collar (13b), rotating core (13a) dial handle (13c), resetting spring (13d), and stop collar (13b) is fixed on pump head (3) bottom, rotating core (13a) is rotatably arranged in stop collar (13b), is dialled handle (13c) and is articulated on rotating core (13a), resetting spring (13d) is set in On mandril (10), mandril (10) end, which is resisted against, dials on handle (13c), and is pushed under resetting spring (13d) effect and dial handle (13c)；Stop collar (13b) is equipped with open-top notch (13b2) and release notch (13b1), and two notches are interconnected, and dial handle (13c) extends radially out stop collar (13b) across notch.

5. pulsation regulating plunger pump according to claim 1, it is characterised in that：Setting cylinder body (5) in the pump housing (1), The sliding cooperation of plunger (2) tail portion is in cylinder body (5), and outer end is arched upward (5a) upwards on the upside of cylinder body (5) so that on the upside of cylinder body (5) Wall forms oil storage tank, and oil storage trench bottom is equipped with the oil-through-hole (5b) of connection cylinder body (5) inner cavity.