CN205298071U - A low noise pump case for drain pump - Google Patents
A low noise pump case for drain pump Download PDFInfo
- Publication number
- CN205298071U CN205298071U CN201620012153.2U CN201620012153U CN205298071U CN 205298071 U CN205298071 U CN 205298071U CN 201620012153 U CN201620012153 U CN 201620012153U CN 205298071 U CN205298071 U CN 205298071U
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- buoyancy aid
- low noise
- intermediate openings
- chamber
- frame
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Abstract
The utility model provides a low noise pump case for drain pump, includes: the pump case body (110), it includes water inlet (1110), delivery port (1120), middle opening (1130), and body chamber (1140) between water inlet (1110) and middle opening (1130), the setting is in body (120) in body chamber (1130), be in with the setting the body chamber is used for keeping in (1130) body frame (130) of body (120), wherein body (120) are in body frame (130) are inherent sealed the position of middle opening (1130) with leave remove between the position of middle opening (1130).
Description
Technical field
The utility model relates generally to a kind of low noise pump case for wet-pit, and relates more specifically to for the reduced noise in the wet-pit of the household electrical appliance such as washing machine, dishwasher and the pump case ensureing aquifer yield.
Background technology
In existing wet-pit, such as, in the wet-pit of the household electrical appliance such as washing machine, dishwasher, when drainage procedure closes to an end, have air and it is inhaled in wet-pit, mix with the remaining aqueous phase in the cavity of wet-pit, form half water half gas state. In this state, pipeline does not have water or only a small amount of water discharge, but the air-water mixture in the cavity of wet-pit produces periodic pressure burst under the effect of pump impeller high-speed rotation, the residual water in the cavity of wet-pit is made to send the periodicity concussion noise of " bang-bang ". This kind of noise is ear-piercing unpleasant to hear, and user brings very big puzzlement. Therefore, in order to more comfortable in use, the noise reducing wet-pit becomes the problem needing to solve.
In order to the ear-piercing noise that the gas-vapor mix solved in the cavity of wet-pit produces, prior art mainly adopts the mode in pressure hole of starting discharging in the cavity of wet-pit. Which can keep relative pressure balance between the cavity of wet-pit and outside, allows air discharge from release hole, thus reduces the noise caused by half water half gas. But, adopt the structure in release hole that the cavity internal pressure of wet-pit will inevitably be caused not enough, affect the discharge pressure of wet-pit, cause discharge to decline, reduce the drainage efficiency of wet-pit.
It is thus desirable to a kind of pump housing for wet-pit, can running in normal load, ensure discharge pressure, in discharge hour, air can be avoided to enter again during flood flow, shielding half load state, reduces noise.
Practical novel content
In order at least one in solving the problem, one side of the present utility model provides a kind of low noise pump case for wet-pit, comprising: pump housing, it comprises water-in, water outlet, intermediate openings, and the buoyancy aid chamber between water-in and intermediate openings; The buoyancy aid being arranged in described buoyancy aid chamber; Be arranged in described buoyancy aid chamber for keeping the buoyancy aid frame of described buoyancy aid; Wherein said buoyancy aid moves in described buoyancy aid frame between the position of the described intermediate openings of sealing and the position leaving described intermediate openings.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, also comprise the gasket being arranged at intermediate openings, it coordinates with described buoyancy aid.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid frame comprises buoyancy aid back-up ring portion.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid frame also comprises buoyancy aid guiding portion.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid frame also comprises gasket compressed part.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid is ball float.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, the void area passed through of permission current formed between described buoyancy aid and described buoyancy aid cavity wall and described buoyancy aid frame is greater than or equal to the area of the described water outlet of described pump housing.
One side of the present utility model provides the low noise pump case of another kind for wet-pit, comprising: pump housing, it comprises water-in, water outlet, intermediate openings, buoyancy aid chamber between described water-in and described intermediate openings, the buoyancy aid guiding portion formed to the inside projection of inwall in described buoyancy aid chamber; The buoyancy aid being arranged in described buoyancy aid chamber; With the described water-in buoyancy aid back-up ring being arranged at described pump housing, it limits the movement of described buoyancy aid; Wherein said buoyancy aid moves between the position and the position leaving described intermediate openings of the described intermediate openings of sealing along described buoyancy aid guiding portion in described buoyancy aid chamber.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described low noise pump case also comprises the gasket being arranged at described intermediate openings, and it coordinates with described buoyancy aid.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid is ball float.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, the void area passed through of permission current formed between described buoyancy aid and described buoyancy aid cavity wall and described buoyancy aid guiding portion is greater than or equal to the area of the described water outlet of described pump housing.
One side of the present utility model provides the low noise pump case of another kind for wet-pit, and it comprises water-in, water outlet, intermediate openings, the buoyancy aid chamber between described water-in and described intermediate openings, and the filtering chamber being connected with described buoyancy aid chamber; The buoyancy aid being arranged in described buoyancy aid chamber; Being arranged on buoyancy aid frame in described buoyancy aid chamber, it limits the movement of described buoyancy aid; The interior support being arranged in described filtering chamber, it comprises the upper shed corresponding with described intermediate openings and the side opening corresponding with described water outlet; Wherein said buoyancy aid moves in described buoyancy aid frame between the position of the described intermediate openings of sealing and the position leaving described intermediate openings.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, also comprise the upper gasket being arranged at described intermediate openings, it coordinates with described buoyancy aid.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, be arranged at the side gasket of described water outlet, it seals the assemblage gap between described buoyancy aid frame and described pump housing inwall.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid frame comprises buoyancy aid back-up ring portion, its restriction the moving up of buoyancy aid.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, between described buoyancy aid frame and described pump housing, there is a gap, buoyancy aid frame can be rotated slightly relative to pump housing as fulcrum taking described buoyancy aid back-up ring portion.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid frame also comprises buoyancy aid guiding portion, and it guides the travel direction of described buoyancy aid in described buoyancy aid chamber.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid frame also comprises gasket compressed part, its by intermediate openings upper gasket compress install.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described interior support comprises gasket compressed part in described upper shed place, its by described intermediate openings upper gasket compress install.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described interior support comprises side gasket compressed part at described side opening, and the described side gasket at described water outlet is compressed and installs by it.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid frame also comprises location projection, and described interior support is formed with the groove for engaging this location projection in described upper shed.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, described buoyancy aid is ball float.
According to the low noise pump case for wet-pit of the present utility model, can selection of land, the void area passed through of permission current formed between described buoyancy aid and described buoyancy aid cavity wall and described buoyancy aid frame is greater than or equal to the area of the water outlet of described pump housing.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, being briefly described to the accompanying drawing of embodiment below, it is clear that ground, the accompanying drawing in the following describes only relates to embodiments more of the present utility model, but not to restriction of the present utility model. In the accompanying drawings:
Fig. 1 shows the decomposition view according to a low noise pump case for wet-pit implementing mode of the present utility model.
Fig. 2 is the front view according to a low noise pump case for wet-pit implementing mode of the present utility model shown in Fig. 1.
Fig. 3 is the sectional view intercepted along the line A-A of Fig. 2.
Fig. 4 is the sectional view intercepted along the line B-B of Fig. 3.
Fig. 5 is the front view according to another low noise pump case for wet-pit implementing mode of the present utility model.
Fig. 6 is the sectional view intercepted along the line c-c of Fig. 5.
Fig. 7 is the decomposition view according to another low noise pump case for wet-pit implementing mode of the present utility model.
Fig. 8 is the skeleton view according to the interior support in another low noise pump case for wet-pit implementing mode of the present utility model shown in Fig. 7.
Fig. 9 is the front view in the low noise pump case for wet-pit according to another enforcement mode of the present utility model shown in Fig. 7.
Figure 10 is the sectional view intercepted along the line D-D in Fig. 9.
Figure 11 is the enlarged view of the encircled portion I of Figure 10.
Figure 12 is the enlarged view of the encircled portion II of Figure 10.
Reference numeral
110 pump housing
1110 water-ins
1120 water outlets
1130 intermediate openingss
1140 buoyancy aid chambeies
120 buoyancy aids
130 buoyancy aid framves
1310 buoyancy aid back-up ring portions
1320 buoyancy aid guiding portions
1330 gasket compressed part
140 gaskets
210 pump housing
2110 water-ins
2120 water outlets
2130 intermediate openingss
2140 buoyancy aid chambeies
2150 buoyancy aid guiding portions
220 buoyancy aids
230 buoyancy aid back-up rings
240 gaskets
310 pump housing
3110 water-ins
3120 water outlets
3130 intermediate openingss
3140 buoyancy aid chambeies
3150 filtering chambers
320 buoyancy aids
330 buoyancy aid framves
3310 buoyancy aid back-up ring portions
3320 buoyancy aid guiding portions
3330 gasket compressed part
3340 location projections
Gasket on 340
Support in 350
3510 upper sheds
3520 side openings
Gasket compressed part on 3530
3540 side gasket compressed part
3550 grooves
360 side gaskets
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described. Obviously, described embodiment is part embodiment of the present utility model, instead of whole embodiments. Based on described embodiment of the present utility model, other embodiments all that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belong to the scope of the utility model protection.
Unless otherwise defined, technical term used herein or scientific terminology should be in the utility model art to have the ordinary meaning that the personage of general technical ability understands. " first ", " the 2nd " and the similar word that use in the utility model patent application specification sheets and claim book do not represent any order, quantity or importance, and are only used to distinguish different integral parts. Equally, the similar word such as " " or " " does not represent quantity limitation yet, but represents and there is at least one.
Fig. 1 shows the decomposition view according to a low noise pump case for wet-pit implementing mode of the present utility model. Fig. 2 is the front view according to a low noise pump case for wet-pit implementing mode of the present utility model shown in Fig. 1. Fig. 3 is the sectional view intercepted along the line A-A of Fig. 2. Fig. 4 is the sectional view intercepted along the line B-B of Fig. 3.
As shown in figs. 1-4, comprising according to a low noise pump case implementing mode of the present utility model: pump housing 110, it comprises water-in 1110, water outlet 1120, intermediate openings 1130, and the buoyancy aid chamber 1140 between water-in 1110 and intermediate openings 1130; The buoyancy aid 120 being arranged in this buoyancy aid chamber 1130; It is arranged in this buoyancy aid chamber 1130 for keeping the buoyancy aid frame 130 of buoyancy aid 120; Wherein said buoyancy aid 120 moves in described buoyancy aid frame 130 between the described intermediate openings 1130 of sealing and the position leaving described intermediate openings 1130. Can selection of land, this low noise pump case also comprises the gasket 140 being arranged at intermediate openings 1130, for coordinating with buoyancy aid 120, thus is sealed by drainage flow path better. Can selection of land, described buoyancy aid frame 130 comprises buoyancy aid back-up ring portion 1310, and it is for limiting the upwards floating of buoyancy aid 120, prevents its floating from exceeding water-in 1110. Can selection of land, described buoyancy aid frame 130 also comprises buoyancy aid guiding portion 1320, and it guides the travel direction of buoyancy aid 120 in buoyancy aid chamber 1140, flows through the gap around buoyancy aid 120 with ensureing uniform fluid flow. Can selection of land, described buoyancy aid frame 130 also comprises gasket compressed part 1330, and it is for compressing installation by the gasket 140 at intermediate openings 1130, to seal better. Can selection of land, described buoyancy aid 120 includes but not limited to ball float. Can selection of land, the void area passed through of permission current formed between buoyancy aid 120 and buoyancy aid chamber 1140 inwall and buoyancy aid frame 130 is greater than or equal to the area of the water outlet 1120 of pump housing 110, thus is mixed into air when avoiding current to flow through water outlet 1120 further.
When low noise pump case according to the present embodiment works, when a large amount of current are via water-in 1110 inflow pump housing 110, buoyancy aid 120 is held up by the buoyancy of current and leaves intermediate openings 1130, and the movement of buoyancy aid 120 is limited in buoyancy aid frame 130, current flow through the space between buoyancy aid 120 and pump housing 110 inwall and buoyancy aid frame 130, and flow out pump housing 110 via intermediate openings 1130 from water outlet 1120; When from the current of water-in 1110 inflow pump housing 110 less time, enough buoyancy is not had to hold up buoyancy aid 120 in the cavity of pump housing 110, therefore buoyancy aid 120 falls to being pressed on gasket 140, intermediate openings 1130 is sealed, thus stop a small amount of current being mixed with a large amount of gas to flow through pump housing 110, and prevent from thus producing noise.
Fig. 5 is the front view according to another low noise pump case for wet-pit implementing mode of the present utility model. Fig. 6 is the sectional view intercepted along the line c-c of Fig. 5.
As seen in figs. 5-6, comprise according to another low noise pump case for wet-pit implementing mode of the present utility model: pump housing 210, it comprises water-in 2110, water outlet 2120, intermediate openings 2130, buoyancy aid chamber 2140 between this water-in 2110 and intermediate openings 2130, the buoyancy aid guiding portion 2150 of the inside projection being formed on the inwall in described buoyancy aid chamber 2140; The buoyancy aid 220 being arranged in buoyancy aid chamber 2140; The buoyancy aid back-up ring 230 for limiting buoyancy aid 220 being arranged in the water-in 2110 of this pump housing 210; Wherein said buoyancy aid 120 moves between the described intermediate openings 2130 of sealing and the position leaving described intermediate openings 2130 along buoyancy aid guiding portion 2150 in described buoyancy aid chamber 2140. Can selection of land, this low noise pump case also comprises the gasket 240 being arranged at intermediate openings 2130, for coordinating with buoyancy aid 220, thus is sealed by drainage flow path better. Can selection of land, described buoyancy aid 220 includes but not limited to ball float. Can selection of land, the void area passed through of permission current formed between buoyancy aid 220 and buoyancy aid chamber 2140 inwall and buoyancy aid guiding portion 2150 is greater than or equal to the area of the water outlet 2120 of pump housing 210.
When low noise pump case according to the present embodiment works, when a large amount of current inflow pump housing 210, buoyancy aid 220 is held up by the buoyancy of current and leaves intermediate openings 2130, and the movement of buoyancy aid 220 in buoyancy aid chamber 2140 is limited in buoyancy aid guiding portion 2150 with buoyancy aid back-up ring 230, current flow through the space between buoyancy aid 220 and pump housing 210 inwall and buoyancy aid guiding portion 2150, and flow out pump housing 210 from water outlet 2120; When the current of inflow pump housing 210 are less, not having enough buoyancy to hold up buoyancy aid 220, therefore buoyancy aid 220 falls to being pressed on gasket 240, is sealed by intermediate openings 2130, thus stop a small amount of current being mixed with a large amount of gas to flow through pump housing 210, and prevent from thus producing noise.
Fig. 7 is the decomposition view according to another low noise pump case for wet-pit implementing mode of the present utility model. Fig. 8 is the skeleton view according to the interior support in another low noise pump case for wet-pit implementing mode of the present utility model shown in Fig. 7. Fig. 9 is the front view in the low noise pump case for wet-pit according to another enforcement mode of the present utility model shown in Fig. 7. Figure 10 is the sectional view intercepted along the line D-D in Fig. 9. Figure 11 is the enlarged view of the encircled portion I of Figure 10. Figure 12 is the enlarged view of the encircled portion II of Figure 10.
As shown in fig.7-12, comprise according to another low noise pump case for wet-pit implementing mode of the present utility model: pump housing 310, it comprises water-in 3110, water outlet 3120, intermediate openings 3130, buoyancy aid chamber 3140 between water-in 3110 and intermediate openings 3130, and the filtering chamber 3150 being connected with buoyancy aid chamber 3140; The buoyancy aid 320 being arranged in this buoyancy aid chamber 3140; It is arranged in this buoyancy aid chamber 3140 for keeping the buoyancy aid frame 330 of buoyancy aid 320; The interior support 350 being arranged in described filtering chamber 3150, it comprises the upper shed 3510 corresponding with intermediate openings 3130 and the side opening 3520 corresponding with water outlet 3120; Wherein said buoyancy aid 320 moves in described buoyancy aid frame 330 between the described intermediate openings 3130 of sealing and the position leaving described intermediate openings 3130. Can selection of land, as shown in figure 12, described low noise pump case also comprises the upper gasket 340 being arranged at described intermediate openings 3130, for sealing intermediate openings 3130 better. Can selection of land, as shown in figure 12, described low noise pump case also comprises the side gasket 360 being arranged at described water outlet 3120, for the gap sealed better between buoyancy aid frame 330 and pump housing 310 inwall. Can selection of land, described buoyancy aid frame 330 comprises buoyancy aid back-up ring portion 3310, and it is for limiting the upwards floating of buoyancy aid 320, prevents its floating from exceeding water-in 3110. Can selection of land, described buoyancy aid frame 330 also comprises buoyancy aid guiding portion 3320, and it guides the travel direction of buoyancy aid 320 in buoyancy aid chamber 3140, flows through the gap around buoyancy aid 320 with ensureing uniform fluid flow. Can selection of land, described buoyancy aid frame 330 also comprises gasket compressed part 3330, and it is for compressing installation by the upper gasket 340 at intermediate openings 3130, to seal better. Can selection of land, described interior support 350 comprises gasket compressed part 3530 at upper shed 3510 place, and it is for compressing installation by the upper gasket 340 at intermediate openings 3130, to seal better. Can selection of land, described interior support 350 comprises side gasket compressed part 3540 at side opening 3520, and it is for compressing installation by the side gasket 360 at water outlet 3120, to seal better. Can selection of land, described buoyancy aid frame 330 also comprise location projection 3340, described interior support 350 is formed with the groove 3550 for engaging this location projection 3340 in opening 3510 place thereon. Can selection of land, described buoyancy aid 320 includes but not limited to ball float. Can selection of land, as shown in figs. 10-11, between described buoyancy aid frame 330 and described pump housing 310, there is a gap, thus buoyancy aid frame 330 can be allowed to rotate slightly relative to pump housing 310 as fulcrum taking described buoyancy aid back-up ring portion 3310. Can selection of land, the void area passed through of permission current formed between buoyancy aid 320 and buoyancy aid chamber 3140 inwall and buoyancy aid frame 330 is greater than or equal to the area of the water outlet 3120 of pump housing 310.
When low noise pump case according to the present embodiment works, when a large amount of current are via water-in 3110 inflow pump housing 310, buoyancy aid 320 is held up by the buoyancy of current and leaves intermediate openings 3130, and the movement of buoyancy aid 320 is limited in buoyancy aid frame 330, current flow through the space between buoyancy aid 320 and pump housing 310 inwall and buoyancy aid frame 330, and flow out pump housing 310 via intermediate openings 3130 and filtering chamber 3150 from water outlet 3120; When from the current of water-in 3110 inflow pump housing 310 less time, enough buoyancy is not had to hold up buoyancy aid 320 in the cavity of pump housing 310, therefore buoyancy aid 320 falls to being pressed on gasket 340, intermediate openings 3130 is sealed, thus stop a small amount of current being mixed with a large amount of gas to flow through pump housing 310, and prevent from thus producing noise.
As mentioned above, it is necessary, due to enforcement mode of the present utility model is arranged in wet-pit buoyancy aid and buoyancy aid frame can according to the water yield number and the buoyancy of the water surface that makes buoyancy aid increase when the water yield makes buoyancy aid move to abdicate flow path, ensure aquifer yield; And the water surface decline when the water yield is few, buoyancy aid is mobile block water flow path under the effects such as gravity, avoids a small amount of current being mixed with large quantity of air to flow through wet-pit, and stops consequent noise.
The above is only exemplary embodiment of the present utility model, but not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (23)
1. for a low noise pump case for wet-pit,
It is characterized in that, comprising:
Pump housing (110), it comprises water-in (1110), water outlet (1120), intermediate openings (1130), and the buoyancy aid chamber (1140) between water-in (1110) and intermediate openings (1130);
The buoyancy aid (120) being arranged in described buoyancy aid chamber (1130); With
It is arranged in described buoyancy aid chamber (1130) for keeping the buoyancy aid frame (130) of described buoyancy aid (120);
Wherein said buoyancy aid (120) moves between the position and the position leaving described intermediate openings (1130) of described buoyancy aid frame (130) the inherence described intermediate openings of sealing (1130).
2. low noise pump case as claimed in claim 1,
Characterized by further comprising:
The gasket (140) being arranged at described intermediate openings (1130), it coordinates with described buoyancy aid (120).
3. low noise pump case as claimed in claim 1,
It is characterized in that:
Described buoyancy aid frame (130) comprises buoyancy aid back-up ring portion (1310).
4. low noise pump case as claimed in claim 1,
It is characterized in that:
Described buoyancy aid frame (130) also comprises buoyancy aid guiding portion (1320).
5. low noise pump case as claimed in claim 1,
It is characterized in that:
Described buoyancy aid frame (130) also comprises gasket compressed part (1330).
6. low noise pump case as claimed in claim 1,
It is characterized in that:
Described buoyancy aid (120) is ball float.
7. low noise pump case as claimed in claim 1,
It is characterized in that:
The void area that the permission current formed between described buoyancy aid (120) and described buoyancy aid chamber (1140) inwall and described buoyancy aid frame (130) pass through is greater than or equal to the area of the described water outlet (1120) of described pump housing (110).
8. for a low noise pump case for wet-pit,
It is characterized in that, comprising:
Pump housing (210), it comprises water-in (2110), water outlet (2120), intermediate openings (2130), buoyancy aid chamber (2140) between described water-in (2110) and described intermediate openings (2130), the buoyancy aid guiding portion (2150) that the inside projection ground of the inwall described buoyancy aid chamber (2140) is formed;
The buoyancy aid (220) being arranged in described buoyancy aid chamber (2140); With
Described water-in (2110) the buoyancy aid back-up ring (230) being arranged at described pump housing (210), it limits the movement of described buoyancy aid (220);
Wherein said buoyancy aid (120) moves between the position and the position leaving described intermediate openings (2130) of the described intermediate openings of sealing (2130) along described buoyancy aid guiding portion (2150) in described buoyancy aid chamber (2140).
9. low noise pump case as claimed in claim 8,
It is characterized in that:
Described low noise pump case also comprises the gasket (240) being arranged at described intermediate openings (2130), and it coordinates with described buoyancy aid (220).
10. low noise pump case as claimed in claim 8,
It is characterized in that:
Described buoyancy aid (220) is ball float.
11. low noise pump cases as claimed in claim 8,
It is characterized in that:
The void area that the permission current formed between described buoyancy aid (220) and described buoyancy aid chamber (2140) inwall and described buoyancy aid guiding portion (2150) pass through is greater than or equal to the area of the described water outlet (2120) of described pump housing (210).
12. 1 kinds of low noise pump cases for wet-pit,
It is characterized in that comprising:
Pump housing (310), it comprises water-in (3110), water outlet (3120), intermediate openings (3130), buoyancy aid chamber (3140) between described water-in (3110) and described intermediate openings (3130), and the filtering chamber (3150) being connected with described buoyancy aid chamber (3140);
The buoyancy aid (320) being arranged in described buoyancy aid chamber (3140);
Being arranged on buoyancy aid frame (330) in described buoyancy aid chamber (3140), it limits the movement of described buoyancy aid (320);
The interior support (350) being arranged in described filtering chamber (3150), it comprises the upper shed (3510) corresponding with described intermediate openings (3130) and the side opening (3520) corresponding with described water outlet (3120);
Wherein said buoyancy aid (320) moves between the position and the position leaving described intermediate openings (3130) of described buoyancy aid frame (330) the inherence described intermediate openings of sealing (3130).
13. low noise pump cases as claimed in claim 12,
It is characterized in that, also comprise:
The upper gasket (340) being arranged at described intermediate openings (3130), it coordinates with described buoyancy aid (320).
14. low noise pump cases as claimed in claim 12,
It is characterized in that, also comprise:
The side gasket (360) being arranged at described water outlet (3120), it seals the assemblage gap between described buoyancy aid frame (330) and described pump housing (310) inwall.
15. low noise pump cases as claimed in claim 12,
It is characterized in that:
Described buoyancy aid frame (330) comprises buoyancy aid back-up ring portion (3310), moving up of its restriction buoyancy aid (320).
16. low noise pump cases as claimed in claim 15,
It is characterized in that:
Between described buoyancy aid frame (330) and described pump housing (310), there is a gap, buoyancy aid frame (330) can be rotated slightly relative to pump housing (310) as fulcrum taking described buoyancy aid back-up ring portion (3310).
17. low noise pump cases as claimed in claim 12,
It is characterized in that:
Described buoyancy aid frame (330) also comprises buoyancy aid guiding portion (3320), and it guides the travel direction of described buoyancy aid (320) in described buoyancy aid chamber (3140).
18. low noise pump cases as claimed in claim 12,
It is characterized in that:
Described buoyancy aid frame (330) also comprises gasket compressed part (3330), and it will compress at the upper gasket (340) of intermediate openings (3130) and install.
19. low noise pump cases as claimed in claim 12,
It is characterized in that:
Described interior support (350) comprises upper gasket compressed part (3530) at described upper shed (3510) place, and it will compress at the upper gasket (340) of described intermediate openings (3130) and install.
20. low noise pump cases as claimed in claim 12,
It is characterized in that:
Described interior support (350) comprises side gasket compressed part (3540) at described side opening (3520), and it will compress in described side gasket (360) of described water outlet (3120) and install.
21. low noise pump cases as claimed in claim 12,
It is characterized in that:
Described buoyancy aid frame (330) also comprises location projection (3340), and
Described interior support (350) is formed with the groove (3550) for engaging this location projection (3340) in described upper shed (3510).
22. low noise pump cases as claimed in claim 12,
It is characterized in that:
Described buoyancy aid (320) is ball float.
23. low noise pump cases as claimed in claim 12,
It is characterized in that:
The void area that the permission current formed between described buoyancy aid (320) and described buoyancy aid chamber (3140) inwall and described buoyancy aid frame (330) pass through is greater than or equal to the area of the water outlet (3120) of described pump housing (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012153.2U CN205298071U (en) | 2016-01-06 | 2016-01-06 | A low noise pump case for drain pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012153.2U CN205298071U (en) | 2016-01-06 | 2016-01-06 | A low noise pump case for drain pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298071U true CN205298071U (en) | 2016-06-08 |
Family
ID=56486195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620012153.2U Active CN205298071U (en) | 2016-01-06 | 2016-01-06 | A low noise pump case for drain pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298071U (en) |
-
2016
- 2016-01-06 CN CN201620012153.2U patent/CN205298071U/en active Active
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