CN209430425U - A kind of pump - Google Patents

Abstract

The utility model, which relates to, belongs to water pump technology, is related to a kind of pump, and which solve this technical problems of existing solution water pump frequent starting.A kind of pump, including the pump housing, pump chamber is equipped in the pump housing, impeller is equipped in pump chamber, the pump housing tail portion is equipped with the motor for driving impeller, the pump housing is equipped with the water inlet flow channel and outlet passage of connection pump chamber, check-valves is equipped at the water inlet flow channel or outlet passage, it is characterized by: the check-valves is equipped with the elastic component one that check-valves can be made to reset, the check-valves is additionally provided with the transfer device that can transmit water inlet flow channel pressure, the pressure sensitive device one that can incude water inlet flow channel pressure is additionally provided on the pump housing with respect to transfer device, the pressure sensitive device two that can incude water outlet pressure is additionally provided on the outlet passage or water inlet flow channel.The utility model solve pump by single signal control pump operation and stopping, and caused by frequent starting.

Description

A kind of pump

Technical field

The utility model, which relates to, belongs to field of mechanical technique, is related to a kind of pump.

Background technique

Water pump is the machinery for conveying liquid or making fluid pressurized, it passes the mechanical energy of prime mover or other external energies Fluid is given, fluid energy is increased.It when traditional water pump is drawn water from one to another place, only operates by rule of thumb, to being taken out Water level at water can not monitor, and be easy to cause evacuation.Existing water pump control has mechanical switching mode or electronic switch mode. Such as a kind of automatic pumping water pump of Publication No. CN202266399U, it is related to when falling below pressure switch with the hydraulic pressure at water Minimal pressure force value when, pressure switch can automatically open and start pump power, and water pump carries out work of drawing water, when with the water at water When pressure rises to the maximal pressure force value of pressure switch design, pressure switch can be automatically closed, and simultaneously close off pump power, and water pump stops It only works, pump power can be automatically opened again when the pressure drops, water pump is started to work, and so circulation will cause frequently opening for pump It is dynamic.

This technical problem of water pump frequent starting how is solved, is that existing water pump needs the important technology solved to ask Topic.Existing water pump, which solves frequent starting, mainly following manner, be installed on the pump housing gas tank come compensator or trimmer pressure variation and Makeup water stream can extend the interval time of pump startup by gas tank to the effect of pressure switch, and this way can play certain Put the purpose of frequent starting, but after pumping intracorporal liquid release because the release of gas tank pressure still can exist because water pipe compared with It is short, go out situations such as weep, the case where leading to water pump frequent starting generation influences electrical machinery life.Existing some intelligent water pump meetings The start and stop of water pump are controlled by connection line plate, and wiring board will appear failure in the process of work and lead to not effectively to water Pump carries out start and stop, and controls cost height by wiring board, big to the occupancy in space, how preferably to solve water pump frequent starting This technical problem is the utility model patent problem to be solved.

Utility model content

The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of pump, the utility model The technical problem to be solved is that: how to exempt to pump frequent starting, is not provided with wiring board while providing effective protection for motor.

The purpose of this utility model can be realized by the following technical scheme:

A kind of pump, including the pump housing, the pump housing is interior to be equipped with pump chamber, impeller is equipped in pump chamber, the pump housing tail portion is equipped with use In driving impeller motor, the pump housing be equipped with connection pump chamber water inlet flow channel and outlet passage, the water inlet flow channel or go out Check-valves is equipped at water flow passage, it is characterised in that: the check-valves is equipped with the elastic component one that check-valves can be made to reset, described to stop It returns valve and is additionally provided with the transfer device that can transmit water inlet flow channel pressure, opposite transfer device, which is additionally provided with, on the pump housing can incude water inlet flow channel The pressure sensitive device one of pressure is additionally provided with the feeling of stress that can incude water outlet pressure on the outlet passage or water inlet flow channel Answer device two.

Its working principles are as follows: outlet passage is closed when pumping at runtime, the pressure in pump chamber can rise at once, make position It is in close state in the pressure sensitive device two on outlet passage, the check-valves on water inlet flow channel inside pump chamber due to pressing Power is greater than the pressure of water inlet flow channel, check-valves rising can be made to block water inlet flow channel, the transfer device being arranged on check-valves makes to press Power sensing device one is in close state, and pump is in close state at this time, and pump can be made to power off, and is pumped out of service.Work as outlet passage It opens, the fluid in pump chamber is discharged, declines the pressure in pump chamber, the pressure sensitive device two positioned at outlet passage resets, Check-valves also resets under the action of elastic component one, and the transfer device being arranged on check-valves is also at pressure sensitive device one Initial opening state, pump, which is powered, at this time runs.Any one of above-mentioned pressure sensitive device one and pressure sensitive device two are in pass Closed state pumps equal no power and does not run.The fortune that could be powered is pumped due to needing two pressure sensitive devices to be under reset state Row, therefore solve the problems, such as pump frequent starting.

In above-mentioned pump, the transfer device is located at check-valves bottom, and the transfer device includes magnet one, the pressure Sensing device one includes sensing device shell, is installed with dead axle in the sensing device shell, is arranged with and stirs on the dead axle Bar, the poke rod are equipped with the magnet two that can be attracted each other or repel with magnet one, and the sensing device one further includes can The inductive switch one of induced magnet two or poke rod.Under original state, check-valves is opened, and magnet one far from magnet two, open by fine motion Close in the open state, i.e., inductive switch is in the open state；Under closed state, closure of check ring, magnet one leans near magnet two, Using the principle of magnet, poke rod is set to push away inductive switch to inductive switch is close, inductive switch is closed；When pump housing pressure reduction is arrived When certain value, check-valves reopens under the action of elastic component one, and inductive switch reopens

In above-mentioned pump, the pressure sensitive device two further includes shell one and shell two, the shell one and shell two Connection forms cavity, locating piece is provided between shell one and shell two, the cavity is divided into cavity one and cavity by locating piece Two.Pressure sensitive device two is divided into two cavitys by the locating piece being set between both, can be each responsible for different functions, Locating piece can position the position that be loaded on its internal component simultaneously.

In above-mentioned pump, one bottom of shell is equipped with mounting hole, and the locating piece end is located in mounting hole, described fixed Position block is equipped with stepped hole, and the step surface of the stepped hole is equipped with retaining ring, and the retaining ring upper surface is equipped with elastic component two, described Two one end of elastic component mutually reclines with retaining ring upper surface, and the helical member mutually to recline with retaining ring lower end surface is additionally provided in the stepped hole, It is equipped with bracket in the cavity two, the pedestal lower end face mutually reclines with two other end of elastic component.Changed by the rotation of helical member Become its position, to push the position of retaining ring, change the internal stress of elastic component two, adjusts increasing of the elastic component two due to using the time Long, elasticity reduces, and cannot play original functional effect.

It is additionally provided with guiding axis and touching axis on above-mentioned pump, the bracket, corresponds to guiding axis on the locating piece and opens up There is guiding axis hole, corresponding touching axis offers touching axis hole, and the induction for touching axis can be incuded by, which being additionally provided in the cavity one, opens Close two.The touching axis hole that the touching axis passes through on locating piece can touch inductive switch, thus inductive switch determines whether It should be at the state turned off or on, so that it is determined that whether pump is in the state run.

In above-mentioned pump, the bracket is equipped with cylindrical boss, and the cylindrical boss is equipped with groove, sets in the groove There is sealing ring, the type chamber that can be inserted into cylindrical boss is additionally provided on the shell two, the sealing ring mutually reclines with type cavity wall.Shell The boss being arranged on body two be located at type chamber can within move along mold cavity axis, and the movement with dynamic seal ring position is described close Seal and type chamber recline and can play the role of sealing.

It is additionally provided with the pressure output pipeline being connected with outlet conduit on above-mentioned pump, the pump housing, is set on the shell two Have an interconnecting piece connecting with pressure output pipeline, be equipped in the interconnecting piece be connected with type chamber into pressure runner.In feeling of stress After answering device two to be connected with the pump housing by interconnecting piece, the pressure output pipeline being arranged on outlet conduit is connected with into pressure runner, It is transmitted to the pressure on outlet passage on bracket.

In above-mentioned pump, the type cavity wall is equipped with protruding bar, and the protruding bar can mutually recline with sealing ring. A raised rib is designed in pressure switch interior of shell, while by cleverly designing so that sealing just past rib, Inductive switch is closed；While sealing ring returns back across rib, inductive switch is reopened.Inlet pressure increase pushes bracket Mobile, when sealing ring just contacts rib, inlet pressure need to be greater than two elastic force sinew adding strip of elastic component to the power of sealing ring, and bracket is It can continue to move to.After sealing ring crosses rib, inlet pressure reduces, and inlet pressure need to be less than two elastic force of elastic component and subtract rib to close The power of seal.The presence of rib makes pressure switch close and generate a pressure difference when opening, and can play pressure stabilizing, avoid pumping Internal pressure is unstable to start pressure switch frequently.

In above-mentioned pump, the pressure sensitive device one is connected with pressure sensitive device two.It can be with by concatenated mode Avoid using circuit control panel, the inductive switch in pressure sensitive device one and pressure sensitive device two one of them be in and disconnect When state, pump is in off-position, achievees the effect that prevent frequent starting in its simplest form.

Compared with prior art, the utility model has the advantage that

1, any one of pressure sensitive device one and pressure sensitive device two are in close state, and are pumped equal no power and are not transported Row.The operation that could be powered is pumped due to needing two pressure sensitive devices to be under reset state, prevents pump frequent starting.It avoids Pump only controls the start and stop of motor with single signal, causes frequent starting.2, it pumps and is stopping moment meeting with certain pressure Decline, can prevent from pumping since the decline of this pressure leads to the erroneous judgement of pressure sensitive device.3, it pumps in the process of running, voltage It is unstable etc the case where will leading to the unstable of pump operation pressure, erroneous judgement can be prevented.4, pass through concatenated side Formula connects pressure sensitive device one and pressure sensitive device two, can remove from and carry out control circuit using circuit control panel, saves Cost and space, and avoid the failure due to circuit control panel and lead to the failure pumped.

Detailed description of the invention

Fig. 1 is the cross-sectional view of pump

Fig. 2 is two explosive view of pressure sensitive device

Fig. 3 is two cross-sectional view of pressure sensitive device

Fig. 4 is pressure sensitive device partial enlarged view

Fig. 5 is two initial position schematic diagram of pressure sensitive device

Fig. 6 is two closed mode schematic diagram of pressure sensitive device

Fig. 7 is check-valves 3-D view

Fig. 8 is one cross-sectional view of pressure sensitive device

In figure, 1, the pump housing: 2, pump chamber；3, impeller；4 motors；5, water inlet flow channel；6, outlet passage；7, check-valves；8, elastic Part one；9, transfer device；10, pressure sensitive device one；11, pressure sensitive device two；12, magnet one；13, shell；14, fixed Axis；15, poke rod；16, magnet two；17, inductive switch one；18, shell one；19, shell two；20, locating piece；21, cavity One；22, cavity two；23, retaining ring；24, elastic component two；25, helical member；26, bracket；27, guiding axis；28, axis is touched；29, it leads To axis hole；30, axis hole is touched；31, cylindrical boss；32, groove；33, sealing ring；34, type chamber；35, pressure output pipeline；36, Interconnecting piece；37, into pressure runner；38, protruding bar；39, inductive switch two；40, mounting hole.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

A kind of pump as illustrated in figures 1 and 8, including the pump housing 1, the pump housing 1 is interior to be equipped with pump chamber 2, and impeller 3, pump are equipped in pump chamber 2 1 tail portion of body is equipped with the motor 4 for driving impeller 3, and the pump housing 1 is equipped with the water inlet flow channel 5 and outlet passage 6 of connection pump chamber 2, into Check-valves 7 is equipped at water flow passage 5 or outlet passage 6, check-valves 7 is equipped with the elastic component 1 that check-valves 7 can be made to reset, non-return Valve 7 is additionally provided with the transfer device 9 that can transmit 5 pressure of water inlet flow channel, and transfer device 9 is located at 7 bottom of check-valves, and transfer device 9 wraps Include magnet 1.The pressure sensitive that can incude 6 pressure of water inlet flow channel 5 or outlet passage is additionally provided on the pump housing 1 with respect to transfer device 9 Device 1, pressure sensitive device 1 include sensing device shell 13, are installed with dead axle 14, dead axle in sensing device shell 13 Poke rod 15 is arranged on 14, poke rod is equipped with the magnet 2 16 that can be attracted each other or repel with magnet 1, sensing device One further includes the inductive switch 1 for capableing of induced magnet 2 16 or poke rod 15.Spring, sea can be used in above-mentioned elastic component one Silk floss, rubber column etc., as it is preferable to use springs.

As shown in figures 1 and 3, the feeling of stress that can incude water outlet pressure is additionally provided on outlet passage 6 or water inlet flow channel 5 Answer device 2 11.Pressure sensitive device 2 11 further includes shell 1 and shell 2 19, and shell 1 connect shape with shell 2 19 At cavity, locating piece 20 is provided between shell 1 and shell 2 19, cavity is divided by locating piece 20 for cavity 1 and cavity 2 22.One 18 bottom of shell is equipped with mounting hole 40, and 20 end of locating piece is located in mounting hole 40.Shell 1 and shell 2 19 are logical Cross welding or fastener or clamping connection.Embodiment one: locating piece 20 can be set between shell 1 and shell 2 19 It leans with the two end face, is connected by welding or fastener or clamping, locating piece 20 can also be welded with the inner wall of shell 1 After connecing or connecting and fixing, then shell 2 19 is put by welding or fastener or clamping connection, vice versa.Embodiment Two: baffle support compression locating piece 20 also can be set on shell 1 and shell 2 19, then by shell 1 and shell two 19 pass through welding or fastener or clamping connection.As preferably by shell one, shell two and locating piece after heap is folded in order, lead to It crosses and is connect with fastener.

As shown in Figures 2 and 3, locating piece 20 is equipped with stepped hole, and the step surface of stepped hole is equipped with retaining ring 23, retaining ring 23 Upper surface is equipped with elastic component 2 24, and 2 24 one end of elastic component mutually reclines with 23 upper surface of retaining ring, is additionally provided in stepped hole and retaining ring The helical member 25 that 23 lower end surfaces mutually recline, cavity 2 22 is interior to be equipped with bracket 26,26 lower end surface of bracket and 2 24 other end of elastic component Mutually recline.It is additionally provided with guiding axis 27 and touching axis 28 on bracket 26, corresponds to guiding axis 27 on locating piece 20 and offers guiding axis hole 29, corresponding touching axis 28 offers touching axis hole 30, is additionally provided with the inductive switch that can incude touching axis 28 in cavity 1 2 39.Spring, sponge, rubber column etc. can be used in above-mentioned elastic component two, as it is preferable to use springs.Embodiment one: above-mentioned Frame bottom end face be a plane, bottom end face mutually reclines with the elastic component other end.Embodiment two: it is set in frame bottom Groove is set, locating shaft is set in groove, locating shaft is placed in elastic component, and elastic component is placed in one end end face and groove slot in groove Face mutually reclines.The utility model preferably uses embodiment two.

As shown in Figure 2, Figure 3 and Figure 4, bracket 26 is equipped with cylindrical boss 31, and cylindrical boss 31 is equipped with groove 32, groove It is equipped with sealing ring 33 in 32, is additionally provided with the type chamber 34 that can be inserted into cylindrical boss 31 on shell 2 19, in sealing ring 33 and type chamber 34 Wall mutually reclines.

As shown in Figure 2, Figure 3 and Figure 4, the pressure output pipeline 35 being connected with outlet conduit, shell are additionally provided on the pump housing 1 2 19 are equipped with the interconnecting piece 36 connecting with pressure output pipeline 35, flow equipped with what is be connected with type chamber 34 into pressure in interconnecting piece 36 Road 37.

As shown in Figure 2, Figure 3 and Figure 4,34 inner wall of type chamber is equipped with protruding bar 38, and protruding bar 38 can be with sealing ring 33 phases recline.

The utility model can be applied to land pump in immersible pump, sensing device one and sensing device two according to land pump with Immersible pump actual demand, choice arrangement is on water inlet flow channel or outlet passage.

The working principle of the utility model is as follows: when pumping at runtime, outlet passage is closed, and the pressure in pump chamber can be at once Rise, make be located at outlet passage on pressure sensitive device two be in close state, the check-valves on water inlet flow channel due to Pump chamber internal pressure is greater than the pressure of water inlet flow channel, and check-valves rising can be made to block water inlet flow channel, the biography on check-valves is arranged in Delivery device is in close state pressure sensitive device one, and pump is in close state at this time, and pump can be made to power off, and pumps out of service. When outlet passage opening, the fluid in pump chamber is discharged, declines the pressure in pump chamber, the pressure sensitive positioned at outlet passage fills Two resets are set, check-valves also resets under the action of elastic component one, and the transfer device being arranged on check-valves fills pressure sensitive It sets one and is also at initial opening state, pump, which is powered, at this time runs.Above-mentioned pressure sensitive device one and pressure sensitive device two are any One is in close state, and pumps equal no power and does not run.It is pumped due to needing two pressure sensitive devices to be under reset state Could be powered operation.By above-mentioned principle, when user closes valve in use, pump stops, when user opens valve The i.e. restarting operation of pump afterwards.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (9)

1. a kind of pump, including the pump housing (1), the pump housing (1) is interior to be equipped with pump chamber (2), impeller (3) are equipped in pump chamber (2), the pump Body (1) tail portion is equipped with the motor (4) for driving impeller (3), and the pump housing (1) is equipped with the water inlet flow channel of connection pump chamber (2) (5) and outlet passage (6) check-valves (7), are equipped at the water inlet flow channel (5) or outlet passage (6), it is characterised in that: described Check-valves (7) is equipped with the elastic component one (8) that check-valves (7) can be made to reset, and the check-valves (7), which is additionally provided with, can transmit feed water flow The transfer device (9) of road (5) pressure, opposite transfer device (9), which are additionally provided with, on the pump housing (1) can incude water inlet flow channel (5) or water outlet The pressure sensitive device one (10) of runner (6) pressure is additionally provided with and can be incuded on the outlet passage (6) or water inlet flow channel (5) The pressure sensitive device two (11) of water outlet pressure.

2. a kind of pump according to claim 1, it is characterised in that: the transfer device (9) is located at check-valves (7) bottom, The transfer device (9) includes magnet one (12), and the pressure sensitive device one (10) includes sensing device shell (13), described It is installed with dead axle (14) in sensing device shell (13), is arranged with poke rod (15), the poke rod on the dead axle (14) (15) it is equipped with the magnet two (16) that can be attracted each other or repel with magnet one (12), the sensing device one further includes that can feel Answer the inductive switch one (17) of magnet two (16) or poke rod (15).

3. a kind of pump according to claim 1, it is characterised in that: the pressure sensitive device two (11) further includes shell one (18) and shell two (19), the shell one (18) connect to form cavity with shell two (19), shell one (18) and shell two (19) locating piece (20) are provided between, the cavity is divided into cavity one (21) and cavity two (22) by locating piece (20).

4. a kind of pump according to claim 3, it is characterised in that: shell one (18) bottom is equipped with mounting hole (40), Locating piece (20) end is located in mounting hole (40), and the locating piece (20) is equipped with stepped hole, the platform of the stepped hole Terrace be equipped with retaining ring (23), retaining ring (23) upper surface be equipped with elastic component two (24), described elastic component two (24) one end with Retaining ring (23) upper surface mutually reclines, and the helical member (25) mutually to recline with retaining ring (23) lower end surface, institute are additionally provided in the stepped hole It states in cavity two (22) and is equipped with bracket (26), bracket (26) lower end surface mutually reclines with elastic component two (24) other end.

5. a kind of pump according to claim 4, it is characterised in that: be additionally provided with guiding axis (27) and touching on the bracket (26) It touches axis (28), guiding axis (27) is corresponded on the locating piece (20) and offers guiding axis hole (29), corresponding touching axis (28) opens up Have touching axis hole (30), the inductive switch two (39) that can incude touching axis (28) is additionally provided in the cavity one (21).

6. a kind of pump according to claim 5, it is characterised in that: the bracket (26) is equipped with cylindrical boss (31), institute Cylindrical boss (31) are stated equipped with groove (32), the groove (32) is interior to be equipped with sealing ring (33), on the shell two (19) also Equipped with the type chamber (34) that can be inserted into cylindrical boss (31), the sealing ring (33) mutually reclines with type chamber (34) inner wall.

7. a kind of pump according to claim 6, it is characterised in that: be additionally provided on the pump housing (1) and to be connected with outlet conduit Pressure output pipeline (35), the shell two (19) is equipped with the interconnecting piece (36) connecting with pressure output pipeline (35), described Be equipped in interconnecting piece (36) be connected with type chamber (34) into pressure runner (37).

8. a kind of pump according to claim 7, it is characterised in that: type chamber (34) inner wall is equipped with protruding bar (38), the protruding bar (38) can mutually recline with sealing ring (33).

9. a kind of pump according to claim 1, it is characterised in that: the pressure sensitive device one (10) and pressure sensitive fill Set two (11) series connection.