CN202170861U

CN202170861U - Water shutting pump

Info

Publication number: CN202170861U
Application number: CN2011203120721U
Authority: CN
Inventors: 吴家仪
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-25
Filing date: 2011-08-25
Publication date: 2012-03-21
Anticipated expiration: 2021-08-25

Abstract

The utility model discloses a water shutting pump, comprising a pump head body having a raw water chamber and a high pressure chamber. The pump head body is provided with a water inlet and a water outlet. The water inlet is connected to the raw water chamber. The pump head body is provided with a second channel communicated with the water outlet and the high pressure chamber. The pump head body is also provided with a water sealing mouth communicated with the high pressure chamber and the second channel. The pump head body is connected to a sealing cap in a sealing manner. A water-sealing film for sealing the water sealing mouth is disposed between the pump head body and the sealing cap. The circumference of the water-sealing film is connected between the pump head body and the sealing cap in a sealing manner. A pressing and sealing water chamber communicated with the raw water chamber is disposed between the sealing cap and the water-sealing film. The pressing and sealing water chamber is provided with a water-sealing spring whose two ends respectively act on the inner top of the sealing cap and the water-sealing film. The high pressure chamber and the pressing and sealing water chamber are separated by the water-sealing film. With the above structure, the water shutting pump is advantageous in that the structure is simple; the water shutting pump is easy to be realized; the vibration is small when the water shutting pump is stopped or is running.

Description

The pump of cutting off the water supply

Technical field

The utility model relates to a kind of pump, specifically is a kind of pump of cutting off the water supply.

Background technique

In the family expenses pure water machine system, usually be equipped with when suction booster and the solenoid valve of cutting off the water supply come system carried out supercharging and shut down and cut off the water supply.The employing solenoid valve of cutting off the water supply carries out water route control, and cost is higher, installations is complicated, and there are circuit and pipeline and deposit, and the restriction of the peculiar structure of solenoid valve of being cut off the water supply, its reliability that water route is controlled is not high.In order to overcome the deficiency of the solenoid valve of cutting off the water supply; People adopt the pump of cutting off the water supply to replace the solenoid valve of cutting off the water supply to come the break-make in water route in the pure water machine system is controlled; Yet the existing pump vibrations when output hydraulic pressure is lower than former water hydraulic pressure of cutting off the water supply are bigger; Pipeline comes off in the pure water machine system thereby be prone to cause, and is prone to influence the working life of the pump of cutting off the water supply.

The model utility content

The purpose of the utility model is to overcome the deficiency of existing technology, provides a kind of and has been lower than the pump of cutting off the water supply that can reduce vibrations when former water hydraulic pressure moves at output hydraulic pressure.

The purpose of the utility model mainly realizes through following technological scheme: the pump of cutting off the water supply; Comprise the pump head body that has former water cavity and hyperbaric chamber in it; Pump head body is provided with water intake and water outlet, and water intake is connected former water cavity, constitutes the runner two of connecting water outlet and hyperbaric chamber in the pump head body; Said pump head body constitutes the water shutoff mouth of connecting hyperbaric chamber and runner two; Pump head body is sealedly connected with capping, is provided with the water shutoff diaphragm of sealing water shutoff mouth between pump head body and the capping, and water shutoff diaphragm periphery is sealedly attached between pump head body and the capping; Constitute the press seal water cavity of connecting former water cavity between capping and the water shutoff diaphragm; Be provided with the water shutoff spring that two ends act on capping inner top and water shutoff diaphragm respectively in the press seal water cavity, said water shutoff diaphragm separates chamber and press seal water cavity, water shutoff diaphragm constitute the water-breaking structure that change in the water route between control hyperbaric chamber and the runner two under the switching two states under the acting in conjunction of hydraulic pressure and water shutoff spring in hydraulic pressure, the press seal water cavity in hyperbaric chamber.The utility model is not when starting, and near cancelling out each other, the water shutoff diaphragm is at the preset elastic force effect lower seal water shutoff mouth of water shutoff spring in the active force of water shutoff diaphragm for the interior hydraulic action of hydraulic pressure and hyperbaric chamber in the press seal water cavity; When the utility model starts; Hydraulic pressure in the hyperbaric chamber increases; In the hyperbaric chamber hydraulic action in the force press seal water cavity of water shutoff diaphragm hydraulic pressure and water shutoff spring to the active force of water shutoff diaphragm; Thereby runner two and hyperbaric chamber are connected, and the current in the hyperbaric chamber can be discharged from water outlet through runner two.When the utility model was shut down, the hydraulic pressure in the hyperbaric chamber reduced, in the water shutoff chamber hydraulic pressure and water shutoff spring to hydraulic action in the force hyperbaric chamber of water shutoff diaphragm in the active force of water shutoff diaphragm, thereby make the water shutoff diaphragm seal the water shutoff mouth gradually.

Said water shutoff diaphragm comprises that the pressing part, the opposite end surface that are arranged between pump head body and the capping bear the pressure-bearing portion of hydraulic action in two cavitys of press seal water cavity and hyperbaric chamber respectively, are connected the joint of pressing part and pressure-bearing portion.Wherein, Joint is the action position of the utility model water shutoff diaphragm when moving up and down; It mainly connects pressing part and pressure-bearing portion, so joint is enough little with the face area that the press seal water cavity contacts, and pressure-bearing portion and press seal water cavity and hyperbaric chamber to contact face area identical.

The area of contact of said hyperbaric chamber and water shutoff diaphragm end face is near the area of contact of press seal water cavity and water shutoff diaphragm end face.Hyperbaric chamber contacts with relative with the water shutoff diaphragm respectively both ends of the surface of press seal water cavity; The area of contact of water shutoff diaphragm end face and hyperbaric chamber and press seal water cavity is set to less gap; So; Hyperbaric chamber can play buffer function to the motion of water shutoff diaphragm, and the utility model is shut down or when output hydraulic pressure is lower than former water hydraulic pressure, can avoid water shutoff diaphragm bump water shutoff mouth and makes pump head body and bigger vibrations occur; And the water pressure energy in the utility model hyperbaric chamber overcomes press seal water cavity and the active force of water shutoff spring to the water shutoff diaphragm fast, can quick conducting between runner two and the hyperbaric chamber thereby make.The utility model is compared with the break-make of runner two with the external control hyperbaric chamber of internal orifice that the water shutoff diaphragm directly acts on runner two; Because the area of contact of said hyperbaric chamber and water shutoff diaphragm end face is near the area of contact of press seal water cavity and water shutoff diaphragm end face; The water shutoff diaphragm is when touching the water shutoff mouth; Near the elastic force that has only the water shutoff spring through the water shutoff iris action in the water shutoff mouth; Owing to can design the water shutoff elastic force of water shutoff spring suitably, the utility model can overcome the water shutoff diaphragm and directly act on runner two internal orifices when outer, and the hydraulic actions in the runner two reduce the pump of cutting off the water supply that is caused suddenly in the active force of water shutoff diaphragm and bigger vibrations occur.

Be provided with the spring backing plate that is connected with the water shutoff diaphragm in the said press seal water cavity, said water shutoff spring action in an end apical grafting of water shutoff diaphragm on the spring backing plate.

Said water shutoff diaphragm is connected with the damping piece that is arranged in the hyperbaric chamber, forms the damping slit between the sidewall of said damping piece outer side wall and hyperbaric chamber, and damping piece is provided with runner five, and said hyperbaric chamber is connected runner two through runner five.The utility model is being shut down or output hydraulic pressure when being lower than former water hydraulic pressure; When damping piece moves to the direction of hyperbaric chamber; The damping slit is elongated, and the suffered resistance of current that hyperbaric chamber gets into runner two becomes big, builds the pressure in the hyperbaric chamber; Hydraulic pressure raises again in the hyperbaric chamber, thereby reduces the speed of water shutoff diaphragm seal water shutoff mouth.The water shutoff diaphragm that quick pressure releasing was caused in the hyperbaric chamber when the utility model was not provided with damping piece seals the water shutoff mouth rapidly, and the utility model can slow down the travelling speed of pressure-sensitive diaphragm, thereby causes than big bang when avoiding the water shutoff diaphragm to touch the water shutoff mouth.

Constitute attachment hole in the said damping piece, the end face evagination of water shutoff diaphragm and hyperbaric chamber contact constitutes and is connected protrudingly, connects in the protruding attachment hole that is embedded in damping piece.

The utility model compared with prior art has the following advantages and beneficial effect: the utility model is provided with the water shutoff diaphragm of sealing water shutoff mouth; The water shutoff diaphragm is pressed between chamber and the hyperbaric chamber in water shutoff; Water shutoff presses chamber and former water cavity to connect, and water shutoff is pressed in the chamber and is provided with the water shutoff spring that two ends act on water shutoff diaphragm and capping respectively, adopts said structure; Shut down or output hydraulic pressure when being lower than former water hydraulic pressure at the utility model, the vibrations that the utility model occurs are little.

Description of drawings

Fig. 1 is the utility model embodiment one a structural representation;

Fig. 2 be Fig. 1 along A-A to the broken section structural representation;

Fig. 3 is the utility model embodiment two a structural representation;

Fig. 4 be Fig. 3 along B-B to the broken section structural representation.

The pairing name of reference character is called in the accompanying drawing: 01-water intake, 02-pump head body, 03-former water cavity, 04-runner, one, 05-water shutoff mouth, 06 water shutoff diaphragm; 07-hyperbaric chamber, 08-water outlet, 09-runner, two, 10-spring backing plate, 11-press seal water cavity; 12-water shutoff spring, 13-capping, 14-seal ring, 15-screw lockhole, 16-runner three; 17-runner, four, 18-damping piece, 19-runner five, 20-connection is protruding, 21-attachment hole.

Embodiment

Below in conjunction with embodiment and accompanying drawing the utility model is done further to specify, but the mode of execution of the utility model is not limited thereto.

Embodiment one:

Like Fig. 1 and shown in Figure 2; The pump of cutting off the water supply comprises pump head body 02 and capping 13, and pump head body 02 is provided with screw lockhole 15; Capping 13 is connected through the screw that embeds in the screw lockhole 15 with pump head body 02, and the slits that seal between the two through seal ring 14 between pump head body 02 and the capping 13.Have former water cavity 03 and hyperbaric chamber 07 in the pump head body 02, pump head body 02 is provided with water intake 01 and water outlet 08, and water intake 01 is connected former water cavity 03, constitutes the runner 2 09 of connecting water outlet 08 and hyperbaric chamber 07 in the pump head body 02.Pump head body 02 constitutes the water shutoff mouth 05 of connecting hyperbaric chamber 07 and runner 2 09; Be provided with the water shutoff diaphragm 06 of sealing water shutoff mouth 05 between pump head body 02 and the capping 13; Water shutoff diaphragm 06 periphery is sealedly attached between pump head body 02 and the capping 13; Constitute press seal water cavity 11 between capping 13 and the water shutoff diaphragm 06; Capping 13 is provided with the runner 3 16 of connecting press seal water cavity 11, and pump head body 02 is provided with the runner of connecting with former water cavity 03 1 and connects runner 1 and the runner 4 17 of runner 3 16, and press seal water cavity 11 is connected former water cavity 03 through runner 1, runner 4 17 and runner 3 16.Be provided with the water shutoff spring 12 that two ends act on capping 13 inner tops and water shutoff diaphragm 06 respectively in the press seal water cavity 11; Water shutoff diaphragm 06 separates chamber 07 and press seal water cavity 11, and the area of contact of hyperbaric chamber 07 and water shutoff diaphragm 06 end face is near the area of contact of press seal water cavity 11 with water shutoff diaphragm 06 end face.Water shutoff diaphragm 06 constitutes the water-breaking structure that change in the water route between control hyperbaric chamber 07 and the runner 2 09 under the switching two states under the acting in conjunction of hydraulic pressure and water shutoff spring 12 in hydraulic pressure, the press seal water cavity 11 in hyperbaric chamber 07.

Be provided with the spring backing plate 10 that is connected with water shutoff diaphragm 06 in the press seal water cavity 11, water shutoff spring 12 acts on an end apical grafting of water shutoff diaphragm 06 on spring backing plate 10.Water shutoff diaphragm 06 comprises that the pressing part, the opposite end surface that are arranged between pump head body 02 and the capping 13 bear the pressure-bearing portion of hydraulic action in 07 two cavitys of press seal water cavity 11 and hyperbaric chamber respectively, are connected the joint of pressing part and pressure-bearing portion; Pressing part is sealedly connected on the pump head body 02, and spring backing plate 10 is arranged on the pressure-bearing end surface.

Cut off the water supply pump when starting; Hydraulic pressure in the hyperbaric chamber 07 increases gradually; The active force that hyperbaric chamber 07 acts on water shutoff diaphragm 06 is during greater than the active force of

water shutoff spring

12 and 11 pairs of water shutoff diaphragms 06 of press seal water cavity, and water shutoff diaphragm 06 no longer seals water shutoff mouth 05, at this moment; Current in the hyperbaric chamber 07 get in the runner 2 09 through water shutoff mouth 05, and discharge from water outlet 08.When the pump of cutting off the water supply was shut down, the hydraulic pressure in the hyperbaric chamber 07 reduced gradually, and the active force of final

water shutoff spring

12 and 11 pairs of water shutoff diaphragms 06 of press seal water cavity is greater than the active force of 07 pair of water shutoff diaphragm 06 of hyperbaric chamber, thereby made water shutoff diaphragm 06 seal water shutoff mouth 05 gradually.

Embodiment two:

Like Fig. 3 and shown in Figure 4; Present embodiment and embodiment's one the main distinction is: water shutoff diaphragm 06 is connected with the damping piece 18 that is arranged in the hyperbaric chamber 07, forms the damping slit between the outer side wall at position, damping piece 18 top and the sidewall of hyperbaric chamber 07, and damping piece 18 is provided with runner 5 19; Exercise runner 5 19 when hyperbaric chamber 07 is pressurized to certain value on the damping piece 18 and connect runner 2 09; When output hydraulic pressure was lower than former water hydraulic pressure, damping piece 18 formed the damping slit again with hyperbaric chamber 07 sidewall, and made that hydraulic pressure raises again in the hyperbaric chamber 07; And then runner 5 19 is connected again with runner 2 09; So back and forth, realized that water shutoff diaphragm 06 exempts to touch with water shutoff mouth 05 or slow touching under the running state when water outlet 08 basin water forces down in former water hydraulic pressure, and then exempted or the operation vibrations of the pump that reduces to cut off the water supply; When water outlet 08 basin hydraulic pressure was higher than former water cavity 03 hydraulic pressure, hyperbaric chamber 07 was on state through runner 19 and runner 2 09, and the vibrations nature can not produce.When the pump of cutting off the water supply was shut down, hydraulic pressure reduced in the hyperbaric chamber 07, and water shutoff diaphragm 06 overcomes the active force of hydraulic pressure in the hyperbaric chamber 07 under the effect of press seal water cavity 11 and water shutoff spring 12; Thereby driving damping piece 18 moves down; The drag effect that hyperbaric chamber 07 flows into the current in the runner 2 09 becomes greatly gradually, thereby slows down the current output in the hyperbaric chamber 07, prolongs the pressure release time of hyperbaric chamber 07; Can realize the water shutoff diaphragm 06 progressive water shutoff mouth 05 that touches, reach and reduce vibrations and shut down the effect of cutting off the water supply.

Further, damping piece 18 can be connected with water shutoff diaphragm 06 through modes such as screws.As preferably, constitute attachment hole 21 in the damping piece 18, the evagination of the end face of water shutoff diaphragm 06 and hyperbaric chamber 07 contact constitutes and is connected protrudingly 20, connects protruding 20 and is embedded in the attachment hole 21 of damping piece 18.

As stated, then can well realize the utility model.

Claims

1. the pump of cutting off the water supply; Comprise the pump head body (02) that has former water cavity (03) and hyperbaric chamber (07) in it; Pump head body (02) is provided with water intake (01) and water outlet (08); Water intake (01) is connected former water cavity (03); Constitute the runner two (09) of connecting water outlet (08) and hyperbaric chamber (07) in the pump head body (02); It is characterized in that: said pump head body (02) constitutes the water shutoff mouth (05) of connecting hyperbaric chamber (07) and runner two (09); Pump head body (02) is sealedly connected with capping (13), is provided with the water shutoff diaphragm (06) of sealing water shutoff mouth (05) between pump head body (02) and the capping (13), and water shutoff diaphragm (06) periphery is sealedly attached between pump head body (02) and the capping (13); Constitute the press seal water cavity (11) of connecting former water cavity (03) between capping (13) and the water shutoff diaphragm (06); Be provided with the water shutoff spring (12) that two ends act on capping (13) inner top and water shutoff diaphragm (06) respectively in the press seal water cavity (11), said water shutoff diaphragm (06) separates chamber (07) and press seal water cavity (11), water shutoff diaphragm (06) hyperbaric chamber (07) in hydraulic pressure, press seal water cavity (11) under the acting in conjunction of hydraulic pressure and water shutoff spring (12) formation control the water-breaking structure that change in the water route between hyperbaric chamber (07) and the runner two (09) under the switching two states.

2. the pump of cutting off the water supply according to claim 1 is characterized in that: said water shutoff diaphragm (06) comprises that the pressing part, the opposite end surface that are arranged between pump head body (02) and the capping (13) bear the pressure-bearing portion of hydraulic action in (07) two cavity of press seal water cavity (11) and hyperbaric chamber respectively, are connected the joint of pressing part and pressure-bearing portion.

3. the pump of cutting off the water supply according to claim 1 and 2 is characterized in that: the area of contact of said hyperbaric chamber (07) and water shutoff diaphragm (06) end face is near the area of contact of press seal water cavity (11) with water shutoff diaphragm (06) end face.

4. the pump of cutting off the water supply according to claim 1; It is characterized in that: be provided with the spring backing plate (10) that is connected with water shutoff diaphragm (06) in the said press seal water cavity (11), said water shutoff spring (12) acts on an end apical grafting of water shutoff diaphragm (06) on spring backing plate (10).

5. the pump of cutting off the water supply according to claim 1; It is characterized in that: said water shutoff diaphragm (06) is connected with the damping piece (18) that is arranged in the hyperbaric chamber (07); Form the damping slit between the sidewall of said damping piece (18) outer side wall and hyperbaric chamber (07); Damping piece (18) is provided with runner five (19), and said hyperbaric chamber (07) is connected runner two (09) through runner five (19).

6. the pump of cutting off the water supply according to claim 5; It is characterized in that: constitute attachment hole (21) in the said damping piece (18); The end face evagination of water shutoff diaphragm (06) and hyperbaric chamber (07) contact constitutes and is connected protruding (20), connects in the attachment hole (21) that protruding (20) be embedded in damping piece (18).