CN104337471A - Carpet cleaning machine with pump pressure relief protection circuit - Google Patents
Carpet cleaning machine with pump pressure relief protection circuit Download PDFInfo
- Publication number
- CN104337471A CN104337471A CN201310319529.5A CN201310319529A CN104337471A CN 104337471 A CN104337471 A CN 104337471A CN 201310319529 A CN201310319529 A CN 201310319529A CN 104337471 A CN104337471 A CN 104337471A
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- pump
- valve
- water
- pressure relief
- protection loop
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Abstract
The invention discloses a carpet cleaning machine with a pump pressure relief protection circuit. The carpet cleaning machine comprises a body, a pump, a water inlet pipe, a water outlet pipe and the pump pressure relief protection circuit, the pump is arranged in the body, the water inlet pipe and the water outlet pipe are connected with two ends of the pump respectively, the pump pressure relief protection circuit is connected with the pump and comprises a pressure relief valve, a pressure relief container and connecting pipes, the pressure relief valve is connected with the water outlet pipe and a pump tee, the pressure relief container is connected with the water inlet pipe and the pump tee, and the connecting pipes are connected with the pressure relief valve and the pressure relief container respectively. When a water channel is plugged or the pressure of the water channel is suddenly enlarged, water pressure acts to a valve spool of the pressure relief valve, a spring is compressed, so that sealing between a sealing gasket and a valve body is lost, and the pressure relief valve is opened, water flow moves towards a valve cover from the valve body, then the pressure relief container begins to store water until input of water in a water tank is stopped, normal water pressure difference between two ends of the pump is maintained, so that the pump is in a normal working state, and the service lives of the water channel and the pump are prolonged.
Description
Technical field
the present invention relates to a kind of carpet cleaner with pump decompression protection loop.
Background technology
when existing carpet cleaner blocks up in water route or water route pressure increases suddenly, be easy to make pump be in high pressure conditions, pump seriously can be made to damage, affect the use of product, and substantially reduce the life-span of water route and pump.
Summary of the invention
the present invention seeks to: a kind of carpet cleaner with pump decompression protection loop is provided.
a technical scheme of the present invention is: a kind of carpet cleaner with pump decompression protection loop; it comprises body, be arranged on the pump of internal body, the inlet tube and outlet tube that is connected with pump two ends respectively and the pump decompression protection loop be connected with pump, the tube connector that wherein said pump decompression protection loop comprises the relief valve be connected with pump threeway with outlet pipe, the pressure release courage be connected with pump threeway with water inlet pipe and is connected with relief valve with pressure release courage respectively.
on the basis of technique scheme, comprise following attached technical scheme further:
described relief valve comprises the valve gap that valve body and valve body fix, the spool arranged in valve body, supports the reciprocating spring of spool, is set in the sealing gasket of poppet head, is arranged on sealing ring between valve body and valve gap.
it comprises the threeway be connected with water inlet pipe, pump, the threeway of pressure release courage and another threeway be connected with outlet pipe, pump, relief valve threeway further.
described tube connector is PVC material.
it comprises further and is positioned at the folding arm assembly above body, the base being arranged on body bottom and the roll wheel assembly be fastened on above base, and described pump and pump decompression protection loop are arranged in base.
the capacity of described pressure release courage is greater than the rated capacity of pump.
described pump is electromagnetic pump.
it comprises the water tank be connected with water inlet pipe further, the nozzle be connected with outlet pipe.
another technical scheme of the present invention is: a kind of carpet cleaner with pump decompression protection loop; it comprises: water tank, the pump be connected with water tank, the pump decompression protection loop be connected with pump, the commutation that is connected with the output in pump decompression protection loop clean valve and at least two-way that is connected with the output of the clean valve of commutation is sprayed water water route, and wherein said pump decompression protection loop comprises and pump and commutate and clean the relief valve that valve threeway is connected and the pressure release courage be connected with pump threeway with water tank.
be provided with the spray water water one direction in water route of permission one between described at least two-way water spray water route and flow into check valve in another water spray water route.
described water spray water route is at least three tunnels, and comprise first, second and third water spray water route, wherein the first water spray water route comprises the hand brush nozzle that valve clean with commutation is connected, second water spray water route comprises the base front nozzle that valve clean with commutation is connected, 3rd water spray water route comprises the base rear nozzle that valve clean with commutation is connected, and the two ends of wherein said check valve are connected with base rear nozzle with base front nozzle respectively.
described relief valve is check valve and comprises the valve gap that valve body and valve body fix, the spool arranged in valve body, the sealing ring supporting the reciprocating spring of spool, be set in the sealing gasket of poppet head and be arranged between valve body and valve gap.The capacity of pressure release courage is preferably greater than the rated capacity of pump, to realize water storage function.Pump is preferably electromagnetic pump.The diameter of sealing gasket is less than the diameter of sealing ring.
advantage of the present invention is:
when the present invention can block up in water route or water route pressure increases suddenly, the spool of relief valve is acted on by hydraulic pressure, Compress Spring also allows sealing gasket lose sealing between valve body, realize opening of relief valve thus, move from valve body to the direction of valve gap to realize current, then pressure release courage starts retaining, and retaining stops input with the normal water pressure reduction at holding pump two ends to forcing the water of water tank, make pump be in normal operating conditions always, extend the life-span of water route and pump.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is schematic perspective view of the present invention;
fig. 2 is relief valve decomposing schematic representation of the present invention;
fig. 3 is sectional view of the present invention;
fig. 4 is decomposing schematic representation of the present invention;
fig. 5 is the schematic diagram in water route in the present invention;
wherein: 1, base; 2, folding arm assembly; 3, pump decompression protection loop; 30, pump; 31, threeway; 32, water inlet pipe; 33, outlet pipe; 34, pressure release courage; 35, tube connector; 36, relief valve; 360, valve body; 362, valve gap; 364, spool; 366, spring; 368, sealing gasket; 369, sealing ring; 4, roll wheel assembly; 5, cover plate.
Detailed description of the invention
embodiment: as Figure 1-4, the invention provides a kind of specific embodiment with the carpet cleaner in pump decompression protection loop, it comprises base 1, be arranged on the pump 30 of base 1 inside, what be connected with pump 30 two ends respectively enters, outlet pipe 32, 33, and the pump decompression protection loop 3 to be connected with pump 30, wherein said pump decompression protection loop 3 comprises the relief valve 36 be connected with pump 30 threeway with outlet pipe 33, the pressure release courage 34 be connected with pump 30 threeway with water inlet pipe 32, and the tube connector 35 be connected with relief valve 36 with pressure release courage 34 respectively, with water inlet pipe 32, pump 30, the threeway 31 that pressure release courage 34 threeway is connected, and with outlet pipe 33, pump 30, another threeway 31 that relief valve 36 threeway is connected, be positioned at above base 1 and also can fold the folding arm assembly 2 placed by respect thereto 1, the water tank 100 be connected with water inlet pipe 32, the nozzle be connected with outlet pipe 33, for the cover plate 5 of closed base 1 bottom, and to be fastened between base 1 and cover plate 5 and to be convenient to the roll wheel assembly 4 of base 1 horizontal movement, wherein base 1 comprises the collection box 102 being positioned at water tank 100 front further, and pump 30 and pump decompression protection loop 3 are arranged in base 1 and be positioned at the below of water tank 100, be preferably located between water tank 100 and cover plate 5.Pressure release courage 34 is the cavity of both ends open and enclose inside, and the maximum secting area of cavity is greater than the maximum secting area of tube connector 35, and it is preferably more than 2 times of the maximum secting area of tube connector 35.
relief valve 36 is check valve and comprises valve body 360 and the fixing valve gap 362 of valve body 360, the spool 364 arranged in valve body 360, the sealing ring 369 supporting the reciprocating spring 366 of spool 364, be set in the sealing gasket 368 of spool 364 head and be arranged between valve body 260 and valve gap 362.Tube connector 35 is preferably PVC material.The capacity of pressure release courage 34 is preferably greater than the rated capacity of pump 30, to realize water storage function.Pump 30 is preferably electromagnetic pump.The diameter of sealing gasket 368 is less than the diameter of sealing ring 369.
as shown in Figure 5, the present invention also provides a kind of second embodiment with the carpet cleaner in pump decompression protection loop, it comprises: water tank 100, the pump 30 be connected with water tank 100, the pump decompression protection loop 3 be connected with pump 30, valve 110 is cleaned in the commutation be connected with the output in pump decompression protection loop 3, and to be connected with the output of the clean valve 110 of commutation and the clean valve 110 that is subject to commutating selects at least two-way controlled to spray water water route, wherein said pump decompression protection loop 3 comprises the relief valve 36 be connected with clean valve 110 threeway that commutates with pump 30, and the pressure release courage 34 to be connected with pump 30 threeway with water tank 100.This is at least provided with the spray water water one direction in water route of permission one and flows into check valve 150 in another water spray water route between two-way water spray water route.Pressure release courage 34 is the cavity of both ends open and enclose inside, and the maximum secting area of cavity is greater than the maximum secting area of tube connector 35, and it is preferably more than 2 times of the maximum secting area of tube connector 35.
water spray water route is preferably at least three tunnels, and comprise first, two, three water spray water routes, wherein the first water spray water route comprises the hand brush nozzle 120 that valve 110 clean with commutation is connected, second water spray water route comprises the base front nozzle 130 that valve 110 clean with commutation is connected, 3rd water spray water route comprises the base rear nozzle 140 that valve 4 clean with commutation is connected, the two ends of wherein said check valve 150 are connected with base rear nozzle 140 with base front nozzle 130 respectively, and the clean valve 110 of commutation, check valve 150, base front nozzle 130 three threeway is connected, and the clean valve 110 of commutation, check valve 150, base rear nozzle 140 three also threeway is connected.Base front nozzle 130 and base rear nozzle 140 are separately positioned on the front and back of base 1.Water tank 100, pump 30, pump decompression protection loop 3, the clean valve 110 of commutation are all arranged on base 1.
shown in composition graphs 2, relief valve 36 is check valve and comprises valve body 360 and the fixing valve gap 362 of valve body 360, the spool 364 arranged in valve body 360, the sealing ring 369 supporting the reciprocating spring 366 of spool 364, be set in the sealing gasket 368 of spool 364 head and be arranged between valve body 260 and valve gap 362.The capacity of pressure release courage 34 is preferably greater than the rated capacity of pump 30, to realize water storage function.Pump 30 is preferably electromagnetic pump.The diameter of sealing gasket 368 is less than the diameter of sealing ring 369.
when the water spray water route between hand brush nozzle 120 selected by the clean valve 110 that commutates, hand brush nozzle 120 water outlet separately, and hand brush nozzle 120 can be connected away from base certain distance and by flexible pipe with base, user grips hand brush nozzle 120 pairs of ground by hand or table top carries out slight cleaning mode, is applicable to user-portable operation.
when the water spray water route between base front nozzle 130 selected by the clean valve 110 that commutates, base front nozzle 130 water outlet separately, user carries out moderate cleaning mode by the base of carpet cleaner to ground, is applicable to the plug-type operation of user.
when the water spray water route between base rear nozzle 140 selected by the clean valve 110 that commutates, base front nozzle 130 and base rear nozzle 140 water outlet simultaneously can be realized by check valve 150, user carries out deep clean pattern by the base of carpet cleaner to ground, is applicable to the plug-type operation of user.
when the present invention can block up in water route or water route pressure increases suddenly, the spool of relief valve is acted on by hydraulic pressure, Compress Spring also allows sealing gasket lose sealing between valve body, realize opening of relief valve thus, move from valve body to the direction of valve gap to realize current, then pressure release courage starts retaining, and retaining stops input with the normal water pressure reduction at holding pump two ends to forcing the water of water tank, make pump be in normal operating conditions always, extend the life-span of water route and pump.
certain above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to the Spirit Essence of main technical schemes of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (10)
1. one kind has the carpet cleaner in pump decompression protection loop, it is characterized in that it comprises: body (1), be arranged on the pump (30) that body (1) is inner, what be connected with pump (30) two ends respectively enters, outlet pipe (32, 33), and the pump decompression protection loop (3) to be connected with pump (30), wherein said pump decompression protection loop (3) comprises the relief valve (36) be connected with pump (30) threeway with outlet pipe (33), the pressure release courage (34) be connected with pump (30) threeway with water inlet pipe (32), and the tube connector (35) be connected with relief valve (36) with pressure release courage (34) respectively.
2. a kind of carpet cleaner with pump decompression protection loop according to claim 1, is characterized in that: described relief valve (36) comprises valve body (360), and the fixing valve gap (362) of valve body (360), the spool (364) arranged in valve body (360), supports spool (364) reciprocating spring (366), is set in the sealing gasket (368) of spool (364) head, is arranged on sealing ring (369) between valve body (360) and valve gap (362).
3. a kind of carpet cleaner with pump decompression protection loop according to claim 2, is characterized in that: it comprises the threeway (31) be connected with water inlet pipe (32), pump (30), pressure release courage (34) threeway and another threeway (31) be connected with outlet pipe (33), pump (30), relief valve (36) threeway further.
4. a kind of carpet cleaner with pump pressure release protecting structure according to claim 1 or 2 or 3; it is characterized in that: its roll wheel assembly (4) comprising the folding arm assembly (2) being positioned at body (1) top, the base (5) being arranged on body (1) bottom further and be fastened on base (5) top, described pump (30) and pump decompression protection loop (3) are arranged in base (5).
5. a kind of carpet cleaner with pump pressure release protecting structure according to claim 4, is characterized in that: the capacity of described pressure release courage (34) is greater than the rated capacity of pump (30).
6. a kind of carpet cleaner with pump pressure release protecting structure according to claim 5, is characterized in that: described pump (30) is electromagnetic pump, and described tube connector (35) is PVC material.
7. a kind of carpet cleaner with pump pressure release protecting structure according to claim 6, is characterized in that: it comprises the water tank (100) be connected with water inlet pipe (32) further, the nozzle be connected with outlet pipe (33).
8. one kind has the carpet cleaner in pump decompression protection loop, it is characterized in that it comprises: water tank (100), the pump (30) be connected with water tank (100), the pump decompression protection loop (3) be connected with pump (30), valve (110) is cleaned in the commutation be connected with the output in pump decompression protection loop (3), and at least two-way to be connected with the output of the clean valve (110) of commutation is sprayed water water route, wherein said pump decompression protection loop (3) comprises the relief valve (36) be connected with clean valve (110) threeway that commutates with pump (30), and the pressure release courage (34) to be connected with pump (30) threeway with water tank (100).
9. a kind of carpet cleaner with pump decompression protection loop according to claim 8, is characterized in that: be provided with the spray water water one direction in water route of permission one between described at least two-way water spray water route and flow into check valve (150) in another water spray water route.
10. a kind of carpet cleaner with pump decompression protection loop according to claim 9, it is characterized in that: described water spray water route is at least three tunnels, and comprise first, two, three water spray water routes, wherein the first water spray water route comprises the hand brush nozzle (120) that valve (110) clean with commutation is connected, second water spray water route comprises the base front nozzle (130) that valve (110) clean with commutation is connected, 3rd water spray water route comprises the base rear nozzle (140) that valve (110) clean with commutation is connected, the two ends of wherein said check valve (150) are connected with base rear nozzle (140) with base front nozzle (130) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319529.5A CN104337471B (en) | 2013-07-26 | 2013-07-26 | There is the carpet cleaner in pump decompression protection loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319529.5A CN104337471B (en) | 2013-07-26 | 2013-07-26 | There is the carpet cleaner in pump decompression protection loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104337471A true CN104337471A (en) | 2015-02-11 |
| CN104337471B CN104337471B (en) | 2016-08-10 |
Family
ID=52494513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310319529.5A Active CN104337471B (en) | 2013-07-26 | 2013-07-26 | There is the carpet cleaner in pump decompression protection loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104337471B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08243064A (en) * | 1995-03-09 | 1996-09-24 | Fujitsu General Ltd | Floor cleaning vehicle |
| US20090235481A1 (en) * | 2008-03-20 | 2009-09-24 | Harald Gosebruch | Floor cleaning machine with a water softening device |
| CN201389542Y (en) * | 2009-04-17 | 2010-01-27 | 金莱克电气股份有限公司 | Pump head of high pressure washer pump |
| CN201836007U (en) * | 2010-11-03 | 2011-05-18 | 苏州金莱克精密机械有限公司 | Motor pump for high-pressure washer |
| CN203436292U (en) * | 2013-07-26 | 2014-02-19 | 莱克电气股份有限公司 | Carpet cleaning machine with pump pressure relief protection circuit |
-
2013
- 2013-07-26 CN CN201310319529.5A patent/CN104337471B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08243064A (en) * | 1995-03-09 | 1996-09-24 | Fujitsu General Ltd | Floor cleaning vehicle |
| US20090235481A1 (en) * | 2008-03-20 | 2009-09-24 | Harald Gosebruch | Floor cleaning machine with a water softening device |
| CN201389542Y (en) * | 2009-04-17 | 2010-01-27 | 金莱克电气股份有限公司 | Pump head of high pressure washer pump |
| CN201836007U (en) * | 2010-11-03 | 2011-05-18 | 苏州金莱克精密机械有限公司 | Motor pump for high-pressure washer |
| CN203436292U (en) * | 2013-07-26 | 2014-02-19 | 莱克电气股份有限公司 | Carpet cleaning machine with pump pressure relief protection circuit |
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| Publication number | Publication date |
|---|---|
| CN104337471B (en) | 2016-08-10 |
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