CN202341905U

CN202341905U - Liquid supply device

Info

Publication number: CN202341905U
Application number: CN2011204248830U
Authority: CN
Inventors: 李晶; 云生; 张剑
Original assignee: Shanghai Kohler Electronics Ltd
Current assignee: Shanghai Kohler Electronics Ltd
Priority date: 2011-10-31
Filing date: 2011-10-31
Publication date: 2012-07-25
Anticipated expiration: 2021-10-31

Abstract

The technical scheme of the utility model provides a liquid supply device, which comprises a liquid storage tank, a pump assembly which is communicated with the liquid storage tank, a driving assembly for controlling a cam to rotate, a liquid conveying pipe of which one end is communicated with the pump assembly, a resorption assembly and a transmission assembly which is connected with the resorption assembly, wherein the pump assembly is positioned on one side of the cam and is butted against the cam; the other end of the liquid conveying pipe is communicated with a sprayer assembly; one end of the transmission assembly is positioned on the other side of the cam and can be butted against the cam; one end of a first backflow pipe is communicated with the resorption assembly, and the other end of the first backflow pipe is communicated with the liquid conveying pipe; a first check valve is arranged in the first backflow pipe; one end of the second backflow pipe is communicated with the liquid storage tank, and the other end of the second backflow pipe is communicated with the resorption assembly; and a second check valve is arranged in the second backflow pipe.

Description

A kind of fluid Supplying apparatus

Technical field

The utility model relates to the fluid Supplying apparatus field, relates in particular to a kind of ability resorption liquid, prevents liquid drippage, contaminated liquids feedway.

Background technology

See also Fig. 1, be a kind of traditional fluid Supplying apparatus.Its critical piece comprise a fluid reservoir 1 ', a pump assembly 2 ', a cam 3 ', a motor 4 ', a liquid pushing tube 5 ', a nozzle component 6 ', a Power Supply Assembly (not shown).Fluid reservoir 1 ' be used to deposit liquid wherein, pump assembly 2 ' with fluid reservoir 1 ' communicate, Power Supply Assembly provide motor 4 ' driving force; Motor 4 ' driving under; Cam 3 ' following press pump assembly 2 ', with fluid reservoir 1 ' in liquid be pressed into liquid pushing tube 5 ', through nozzle component 6 ' see off liquid.

The existing problems of traditional liquid feedway have: at first, after using, many liquid can remain in liquid pushing tube and shower nozzle outlet.If there is not other control device, the liquid that remains in the pipe also is difficult to avoid and can down drip when unmanned the use, pollutes table top or ground, and liquid is also caused certain waste; Secondly, if fluid Supplying apparatus is not worked for a long time, the liquid that remains in the liquid pushing tube may dry up and blocking pipeline, causes the fluid Supplying apparatus fault; In addition, remain in the liquid in the pipe, can suffer pollution in various degree because communicate with extraneous air for a long time; Next time is when using; Mix with the new liquid phase that pumps in the fluid reservoir, the liquid pure cleanliness of then seeing off can not be guaranteed, and in result of use influence is to a certain degree arranged also.

The utility model content

The purpose of the utility model is to overcome the deficiency of prior art, a kind of ability resorption liquid is provided, prevents liquid drippage, contaminated liquids feedway.

The technical scheme of the utility model provides a kind of fluid Supplying apparatus, comprises fluid reservoir, the pump assembly that communicates with said fluid reservoir; Said pump assembly be positioned at cam a side and with said cam against, control the driven unit that said cam rotates, the liquid pushing tube that an end is communicated with said pump assembly; The other end of said liquid pushing tube is communicated with nozzle component; Also comprise the resorption assembly, with the transmission component that said resorption assembly is connected, an end of said transmission component be positioned at said cam relative opposite side and can with said cam against; One end of first return duct is communicated with said resorption assembly; The other end of said first return duct is communicated with said liquid pushing tube, is provided with first check valve in said first return duct, and an end of second return duct is communicated with said fluid reservoir; The other end of said second return duct is communicated with said resorption assembly, is provided with second check valve in said second return duct.

Preferably, said resorption assembly comprises cylinder, is arranged on the piston rod in the said cylinder cavity; Said piston rod one end is provided with the rubber stopper of being close to said cylinder inner wall; The other end of said piston rod passes piston cap, and said upper cover of piston rod is established spring, an end of said spring and the inner surface of said piston cap against; The other end of said spring and said rubber stopper against, said piston cap is connected with said cylinder.

Preferably; Said transmission component comprises motion bar and attaching parts; The free end of said motion bar can with said cam against; The stiff end and the fixed pedestal of said motion bar are hinged, and an end of said attaching parts is connected with said motion bar, and the other end of said attaching parts is connected with said piston rod.

Preferably, said motion bar is provided with opening, and the upper surface of the motion bar of said opening correspondence position is provided with convexity, and said attaching parts are passed said opening and hung on the said convexity.

Preferably, said convexity is cylindrical pole, and said cylindrical pole is installed on the square supporting seat.

Preferably, said attaching parts are for flexibly connecting rope, and the said annulus end that flexibly connects rope is enclosed within on the said cylindrical pole.

Preferably, the above opening of the lower surface of said motion bar is provided with triangular part near a side of said stiff end.

Preferably, one side the said triangular part of corresponding said aperture position extend to form the arc limit downwards.

Preferably, said arc limit is provided with groove.

Preferably, the vertical vertical edges that forms in one side of said triangular part with said motion bar, it is corresponding with the position of said opening that said vertical edges is provided with a through hole.

Preferably, the side near said stiff end is an arc in the longitudinal profile of said through hole.

Preferably, said attaching parts are rigid connecting rod.

Preferably; Said liquid pushing tube comprises first liquid pushing tube and second liquid pushing tube; One end of said first liquid pushing tube is communicated with said pump assembly; One end of second liquid pushing tube communicates with said nozzle component, also comprises the threeway coupling assembling, and said threeway coupling assembling is connected with said first liquid pushing tube, said second liquid pushing tube and said first return duct respectively.

Preferably, can deposit soap lye in the said fluid reservoir, or thimerosal, or softener, or bath foam, or shampoo, or hand cleanser.

After adopting technique scheme; Has following beneficial effect: owing to increased the resorption assembly; The resorption assembly is under the control of transmission component and driven unit; Be drawn back in the middle of the liquid storage pipe remain in liquid in liquid pushing tube and the nozzle component after using at every turn, thereby avoided the drippage of residual liquid and contaminated effectively, saved liquid and prolonged the shelf-life and the service life of liquid.

Description of drawings

Fig. 1 is the structural representation of traditional liquid feedway;

Fig. 2 is the structural representation of the fluid Supplying apparatus of a kind of embodiment of the utility model;

Fig. 3 is the exploded view of the resorption assembly in the fluid Supplying apparatus of a kind of embodiment of the utility model;

Fig. 4 A is the structural representation of the fluid Supplying apparatus non-working condition of a kind of embodiment of the utility model;

Fig. 4 B is the structural representation that the fluid Supplying apparatus of a kind of embodiment of the utility model pumps liquid condition;

Fig. 4 C is the structural representation that the fluid Supplying apparatus of a kind of embodiment of the utility model pumps the liquid done state;

Fig. 4 D is the structural representation of the fluid Supplying apparatus resorption state of a kind of embodiment of the utility model;

Fig. 4 E is the structural representation that the fluid Supplying apparatus of a kind of embodiment of the utility model reclaims state;

Fig. 5 is the exploded view of the transmission component in the fluid Supplying apparatus of a kind of embodiment of the utility model;

Fig. 6 A is the vertical view of the transmission component in the fluid Supplying apparatus of a kind of embodiment of the utility model;

Fig. 6 B is the side view of the transmission component in the fluid Supplying apparatus of a kind of embodiment of the utility model;

Fig. 6 C is the A-A cutaway view among Fig. 6 A;

Fig. 7 A is resorption assembly and the exploded view of attaching parts in the fluid Supplying apparatus of a kind of embodiment of the utility model;

Fig. 7 B is resorption assembly and the installation diagram of attaching parts in the fluid Supplying apparatus of a kind of embodiment of the utility model;

Fig. 8 is the partial sectional view of the fluid Supplying apparatus of a kind of embodiment of the utility model.

The Reference numeral table of comparisons:

1 '---fluid reservoir 2 '---pump assembly 3 '---cam

4 '---motor 5 '---liquid pushing tube 6 '---nozzle component

1---fluid reservoir 2---pump assembly 3---cam

4---driven unit 5---liquid pushing tube 6---nozzle components

7---resorption assembly 8---transmission component

31---the short ends of camshaft 32---long end 33---

51---first liquid pushing tube 52---second liquid pushing tube 53---, first return ducts

54---second return duct 55---threeway coupling assembling 56---, first check valves

57---second check valve 71---piston cap 72---springs

73---piston rod 731---piston hole 732---cross-baves

733---disk 74---rubber stopper 75---cylinders

76---first cavity 77---second cavity 81---motion bars

811---free end 812---stiff end 814---lower surfaces

82---attaching parts 821---annulus end 822---flexibly connect rope

83---connecting pin 84---triangular part 841---vertical edges

842---the cylindrical poles of through hole 843---side 85---

86---the square supporting seats of fixed pedestal 88---opening 89---

The specific embodiment

Further specify the specific embodiment of the utility model below in conjunction with accompanying drawing.

Be illustrated in figure 2 as the structural representation of the fluid Supplying apparatus of a kind of embodiment of the utility model.Fluid Supplying apparatus comprises fluid reservoir 1, the pump assembly 2 that communicates with fluid reservoir 1, pump assembly 2 be positioned at cam 3 a side and with cam 3 against; The liquid pushing tube 5 that driven unit 4, one ends that control cam 3 rotates are communicated with pump assembly 2, the other end of liquid pushing tube 5 is communicated with nozzle component 6; Also comprise resorption assembly 7, the transmission component 8 that is connected with resorption assembly 7, an end of transmission component 8 be positioned at cam 3 relative opposite side and can with cam 3 against; One end of first return duct 53 is communicated with resorption assembly 7; The other end of first return duct 53 is communicated with liquid pushing tube 5, and an end that is provided with first check valve, 56, the second return ducts 54 in first return duct 53 is communicated with fluid reservoir 1; The other end of second return duct 54 is communicated with resorption assembly 7, is provided with second check valve 57 in second return duct 54.

As shown in Figure 3, resorption assembly 7 comprises cylinder 75, is arranged on the piston rod 73 in gas 75 cavitys; Piston rod 73 1 ends are provided with the rubber stopper of being close to cylinder inner wall 74; The other end of piston rod 73 passes piston cap 71, sheathed spring 72 on the piston rod 73, an end of spring 72 and the inner surface of piston cap 71 against; The other end of spring 72 and rubber stopper 74 against, piston cap 71 is connected with gas 75.

As shown in Figure 5; Transmission component 8 comprises motion bar 81 and attaching parts 82; The free end 811 of motion bar 81 can with cam 3 against; The stiff end 812 of motion bar 81 is hinged with fixed pedestal 86, and an end of attaching parts 82 is connected with motion bar 81, and the other end of attaching parts 82 is connected with piston rod 73.

< non-working condition >

Referring to Fig. 4 A, Fig. 4 A is the structural representation of the fluid Supplying apparatus non-working condition of a kind of embodiment of the utility model.Cam 3 horizontal are on pump assembly 2, and the long end 32 of cam is positioned at the left side, and short end 33 is positioned at the right side, and pump assembly 2 is not applied any active force.At this moment, keep certain distance between cam 3 and the motion bar 81, also can with motion bar 31 and cam against, but 3 pairs of motion bars 81 of cam do not apply any active force, resorption assembly 7 is in original state.During the original state of resorption assembly 7, rubber stopper 74 is positioned at the bottom of cylinder 75, and rubber stopper 74 tops form first cavity, 76, the first cavitys 76 and are in maximum volume.

< pumping liquid condition >

Referring to Fig. 4 B, Fig. 4 B is the structural representation that the fluid Supplying apparatus of a kind of embodiment of the utility model pumps liquid condition.When cam 3 begins to be rotated counterclockwise around camshaft 31 under the driving of driven unit 4; This moment, the long pump head (figure does not show) of 32 downward pushing pump assemblies 2 of holding of cam held 32 fully over against pump head up to long; Pump head pumps downwards the liquid in the fluid reservoir 1, and liquid flow into nozzle component 6 and flows out along liquid pushing tube 5.At this moment, the short end 33 of cam 3 does not still apply any active force to motion bar 81 towards motion bar 81, and resorption assembly 7 still is in original state.

< pumping the liquid done state >

Referring to Fig. 4 C, Fig. 4 C is the structural representation that the fluid Supplying apparatus of a kind of embodiment of the utility model pumps the liquid done state.Cam 3 continues to be rotated counterclockwise under the driving of driven unit 4, and cam 3 horizontal are on pump assembly 2 at this moment, and the short end 33 of cam is positioned at the left side, and length holds 32 to be positioned at the right side, and pump assembly 2 is not applied any active force.3 pairs of motion bars 81 of cam do not apply any active force yet, and resorption assembly 7 still is in original state.At this moment, residual certain amount of fluid and liquid vapour mixture in liquid pushing tube 5 and the nozzle component 6.

< resorption state >

Referring to Fig. 4 D, Fig. 4 D is the structural representation of the fluid Supplying apparatus resorption state of a kind of embodiment of the utility model.Cam 3 continues to be rotated counterclockwise under the driving of driven unit 4, and this moment, the length of cam 3 was held 32 jack-up motion bars 81, the upwards swing of free end 811 of motion bar 81, and pulling attaching parts 82, attaching parts 82 drive piston rod 73 again and upwards mention.The volume that forms second cavity, 77, the first cavitys 76 in the cylinder 75 reduces, and spring 72 is compressed, and the volume of second cavity 77 increases.When the long end of cam 3 32 during fully over against motion bar 81, this moment, piston rod 73 rose to peak, and the volume of second cavity 77 also reaches maximum volume.In the process that promotes, produce negative pressure in second cavity 77, the liquid that remains in liquid pushing tube 5 and the nozzle component 6 is drawn in second cavity 77 through first check valve 56 along first return duct 53.In this process, the short end 33 of cam 3 and pump head against, pump assembly 2 is not applied any active force.

< recovery state >

Referring to Fig. 4 E, Fig. 4 E is the structural representation that the fluid Supplying apparatus of a kind of embodiment of the utility model reclaims state; Cam 3 continues to be rotated counterclockwise under the driving of driven unit 4, and the long end 32 of cam 3 begins to fall back to original state.Piston rod 73 is urged downwardly under the effect of spring 72; This moment, the volume of first cavity 76 increased; The volume of second cavity 77 reduces, and rubber stopper 74 is pressed into the liquid in second cavity 77 in second return duct 54, enters into fluid reservoir through second check valve 57.Accomplished the removal process of residual liquid and liquid vapour mixture.In this process, the short end 33 of cam 3 and pump head against, pump assembly 2 is not applied any active force.Because first check valve 56 can only enter into second cavity 77 from first return duct 51 with liquid, therefore liquid is being pressed in the process of second return duct 54, liquid that can not gets into first return duct 53 through first check valve 56 again.In like manner, liquid is being drawn in the process of second cavity 77, liquid can not get into from second check valve 57 yet.

Owing to increased the resorption assembly; The resorption assembly is under the control of transmission component and driven unit; Be drawn back in the middle of the liquid storage pipe remain in liquid in liquid pushing tube and the nozzle component after using at every turn; Thereby avoided the drippage of residual liquid and contaminated effectively, saved liquid and prolonged the shelf-life and the service life of liquid.

In this embodiment, cam 3 also can be along turning clockwise, and this moment, the original state of cam 3 should be that short end 33 is positioned at the left side, and long end 32 is positioned at the right side.

Preferably, shown in Fig. 6 A, motion bar 81 is provided with opening 88, and the upper surface of the motion bar 81 of opening 88 correspondence positions is provided with convexity, and attaching parts 82 are passed opening 88 and hung on the convexity.Connected mode between motion bar and the attaching parts is not limited to aforesaid way; The lower surface of motion bar 81 also can be provided with hook; Above confession attaching parts 82 hung over, any other can guarantee that motion bar and attaching parts reach the protection domain that other modes that are connected purpose all belong to the utility model.

Preferably, shown in Fig. 6 B, convexity is cylindrical pole 85, and cylindrical pole 85 is installed on the square supporting seat 89.Cylindrical pole 85 is raised by square supporting seat 89, and keeps certain distance between the opening 88, is attaching parts 82 reservation installation positions.

Preferably, shown in Fig. 7 A, attaching parts 82 are for flexibly connecting rope 822, and the annulus end 821 that flexibly connects rope 822 can be enclosed within on the cylindrical pole 85.Shown in Fig. 7 B, flexibly connect the rope 822 pass piston hole 731 doublings after, be enclosed within on the cylindrical pole 85.Flexibly connect rope and also can adopt other modes, for example twine, modes such as knotting are connected with cylindrical pole 85.Flexibly connect rope 822 and can guarantee in the lifting process self held stationary and unlikely double swerve or inclination.Attaching parts 82 also can be rigid connecting rod.Rigid connecting rod can be fixedly connected with motion bar 81 by an end, and the other end and piston rod 73 flexibly connect; Also can all flexibly connect at two ends.

Preferably, shown in Fig. 6 B, the lower surface upper shed 88 of motion bar 82 is provided with triangular part 84 near a side of stiff end 812.This triangular part 84 is used at lifting process, supporting flexible connection cord 822.

Preferably, one side the triangular part 84 of corresponding opening 88 positions extend to form the arc limit downwards.The arc limit make flexibly connecting the rope seamlessly transit, in the process of jigger lifting piston bar 73, be difficult for causing the fracture that flexibly connects rope.

Preferably, the arc limit is provided with groove.Groove can be used for holding flexibly connecting restricts 822, supporting flexible connection cord 822 that can be more stable.

Preferably, shown in Fig. 6 C, one side of triangular part 84 and motion bar 81 vertical formation vertical edges 841, it is corresponding with the position of opening 88 that vertical edges 841 is provided with a through hole 842.As shown in Figure 8, flexibly connect rope 822 and pass through hole 842, be connected with cylindrical pole 85.

Preferably, the side 843 near stiff end 812 is an arc in the longitudinal profile of through hole 842.The arc limit make flexibly connecting the rope seamlessly transit, in the process of jigger lifting piston bar 73, be difficult for causing the fracture that flexibly connects rope.

Preferably; As shown in Figure 2; Liquid pushing tube 5 comprises that an end of first liquid pushing tube 51 and second liquid pushing tube, 52, the first liquid pushing tubes 51 is communicated with pump assembly 2, and an end of second liquid pushing tube 52 communicates with nozzle component 6; Also comprise threeway coupling assembling 55, threeway coupling assembling 55 is connected with first return duct 53 with first liquid pushing tube 51, second liquid pushing tube 52 respectively.

Can deposit soap lye in the fluid reservoir 1, or thimerosal, or softener, or bath foam, or shampoo, or hand cleanser.The utility model is not limited to be used for the supply of aforesaid liquid, and liquid that any needs are repeatedly taken on a small quantity or semisolid or fluid can both be used for the fluid Supplying apparatus of the utility model.

Above-described only is the principle and the preferred embodiment of the utility model.Should be pointed out that for the person of ordinary skill of the art, on the basis of the utility model principle, can also make some other modification, also should be regarded as the protection domain of the utility model.

Claims

1. a fluid Supplying apparatus comprises fluid reservoir, the pump assembly that communicates with said fluid reservoir; Said pump assembly be positioned at cam a side and with said cam against, control the driven unit that said cam rotates, the liquid pushing tube that an end is communicated with said pump assembly; The other end of said liquid pushing tube is communicated with nozzle component, it is characterized in that, also comprises the resorption assembly; The transmission component that is connected with said resorption assembly; One end of said transmission component be positioned at said cam relative opposite side and can with said cam against, an end of first return duct is communicated with said resorption assembly, the other end of said first return duct is communicated with said liquid pushing tube; Be provided with first check valve in said first return duct; One end of second return duct is communicated with said fluid reservoir, and the other end of said second return duct is communicated with said resorption assembly, is provided with second check valve in said second return duct.

2. liquid feeder according to claim 1 is characterized in that, said resorption assembly comprises cylinder; Be arranged on the piston rod in the said cylinder cavity, said piston rod one end is provided with the rubber stopper of being close to said cylinder inner wall, and the other end of said piston rod passes piston cap; Said upper cover of piston rod is established spring; One end of said spring and the inner surface of said piston cap against, the other end of said spring and said rubber stopper against, said piston cap is connected with said cylinder.

3. liquid feeder according to claim 2; It is characterized in that; Said transmission component comprises motion bar and attaching parts, the free end of said motion bar can with said cam against, the stiff end and the fixed pedestal of said motion bar are hinged; One end of said attaching parts is connected with said motion bar, and the other end of said attaching parts is connected with said piston rod.

4. liquid feeder according to claim 3 is characterized in that said motion bar is provided with opening, and the upper surface of the motion bar of said opening correspondence position is provided with convexity, and said attaching parts are passed said opening and hung on the said convexity.

5. liquid feeder according to claim 4 is characterized in that, said convexity is cylindrical pole, and said cylindrical pole is installed on the square supporting seat.

6. liquid feeder according to claim 5 is characterized in that, said attaching parts are for flexibly connecting rope, and the said annulus end that flexibly connects rope is enclosed within on the said cylindrical pole.

7. liquid feeder according to claim 6 is characterized in that, the above opening of the lower surface of said motion bar is provided with triangular part near a side of said stiff end.

8. liquid feeder according to claim 7 is characterized in that, one side the said triangular part of corresponding said aperture position extend to form the arc limit downwards.

9. liquid feeder according to claim 8 is characterized in that, said arc limit is provided with groove.

10. liquid feeder according to claim 7 is characterized in that, the vertical vertical edges that forms in one side of said triangular part with said motion bar, and it is corresponding with the position of said opening that said vertical edges is provided with a through hole.

11. liquid feeder according to claim 10 is characterized in that, the side near said stiff end in the longitudinal profile of said through hole is an arc.

12. liquid feeder according to claim 3 is characterized in that, said attaching parts are rigid connecting rod.

13. liquid feeder according to claim 1; It is characterized in that; Said liquid pushing tube comprises first liquid pushing tube and second liquid pushing tube, and an end of said first liquid pushing tube is communicated with said pump assembly, and an end of second liquid pushing tube communicates with said nozzle component; Also comprise the threeway coupling assembling, said threeway coupling assembling is connected with said first liquid pushing tube, said second liquid pushing tube and said first return duct respectively.

14. liquid feeder according to claim 1 is characterized in that, deposits soap lye in the said fluid reservoir, or thimerosal, or softener, or bath foam, or shampoo, or hand cleanser.