CN202762711U - Pressure switch of cleaning machine - Google Patents
Pressure switch of cleaning machine Download PDFInfo
- Publication number
- CN202762711U CN202762711U CN 201220483818 CN201220483818U CN202762711U CN 202762711 U CN202762711 U CN 202762711U CN 201220483818 CN201220483818 CN 201220483818 CN 201220483818 U CN201220483818 U CN 201220483818U CN 202762711 U CN202762711 U CN 202762711U
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Abstract
The utility model provides a pressure switch of a cleaning machine, belongs to the technical field of machinery, and resolves the problems that a pressure switch of an existing cleaning machine is poor in unloading protective effect and complex in structure. The pressure switch comprises a total valve seat provided with a high-pressure water inlet and a high-pressure water outlet which is communicated with the high-pressure water inlet, a limiting valve seat is arranged inside the total valve seat, the left end of the limiting valve seat is matched with a piston rod, and the middle of the piston rod is fixedly connected with a piston matched with the right end of the limiting valve seat. A first cavity is communicated with a second cavity through a balance channel, a decompression structure arranged between the right end of the piston rod and the total valve seat can conduct decompression protection for the cavities when a high-pressure water outlet is closed, and the left end of the piston rod is provided with a microswitch which can switch on and switch off a power source of the cleaning machine. The pressure switch has the advantages of being simple in structure, good in unloading protective effect and the like.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of pressure switch, particularly the pressure switch on a kind of cleaning machine.
Background technology
Jetting machine, to make high-pressure plunger pump produce the machine that water under high pressure washes body surface by power set, it can be peeled off dirt, wash away, reach the purpose on cleaning of objects surface, because be to use water jets under high pressure cleaning dirt, so that high-pressure wash also is acknowledged as is most scientific, one of the cleaning mode of economy, environmental protection.Jetting machine can be divided into cold-water high-pressure cleaning machine, hot-water jetting machine, motor-driven jetting machine, gasoline engine driving jetting machine etc., and the cleaning machine of family expenses is generally motor-driven cold-water high-pressure cleaning machine.
Jetting machine in use usually needs the jet cleaning operation of Temporarily Closed spray gun time-out and reopens spray gun to work on continually, if each Temporarily Closed spray gun and unlatching spray gun, the operator will remove disable motor and starter motor, bothers very much.In addition, because the water pressure when spray gun cuts out in the pump sharply rises, must carry out the overflow off-load, and cleaning machine also is in operating condition after the off-load, not only wastes energy, increase use cost, and machine continues operation behind the rifle of pass, the water Rapid Circulation in the pump, and temperature can very fast rising, accelerate the aging and wearing and tearing of pump inner seal liner, thereby greatly shorten the service life of cleaning machine product.
A kind of cleaning machine pressure switch is disclosed in patent (ZL02260095.7), automatic regulating valve is installed in cleaning machine, and connecting valve box, microswitch is installed in the switch enclosure, wherein automatic regulating valve has the off-load valve seat, spool, spring and piston form unloader, the off-load spool connects the switch push rod, push rod, push rod has back-moving spring, push rod matches with microswitch, the microswitch that is installed in the switch enclosure connects motor circuit, connects water out adapter, mounting limit valve in the water out adapter in the water outlet higher-pressure region of pump head, the limited location valve seat connects the unloader piston, valve seat cooperates with spool, and frightening in my inner spool has spring, steel ball and valve core cap are shaped with aperture in the valve core cap, and one-way valve spring is arranged, pressure limiting valve and unloader and microswitch form the pressure switch of automatically regulating.When spray gun cuts out, the water outlet pressure of crying increases by pressure switch and rotates the disable motor operation; After spray gun was opened, motor restarted, and this pressure switch utilizes delivery port and water inlet to be communicated with to come off-load when delivery port is closed, and the mode of this kind off-load can increase the pressure of water inlet, and the off-load effect is relatively poor, and this structure is comparatively complicated.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and the pressure switch on a kind of cleaning machine is provided, and technical problem to be solved in the utility model is that the method that will adopt the overflow off-load is protected during to the cleaning machine opening and closing.
The purpose of this utility model can realize by following technical proposal:
Pressure switch on a kind of cleaning machine; this pressure switch comprises total valve seat; described total valve seat is provided with high pressure intake and the high-pressure outlet that communicates; it is characterized in that; be provided with a spacing valve seat in described total valve seat; the left end of described spacing valve seat cooperates with a piston rod; the middle part of piston rod is fixed with piston; described piston cooperates with the right-hand member of spacing valve seat; high-pressure outlet forms a cavity one when high-pressure outlet is closed; form cavity two between the left side of described spacing valve seat and piston; both communicate described cavity one and cavity two by a balance channel; be provided with a pressure relief that can when high-pressure outlet is closed, carry out decompression protection to cavity one between the right-hand member of described piston rod and the total valve seat, the left end of described piston rod be provided with one can this cleaning machine of opening and closing the microswitch of power source.
Operation principle of the present utility model is: when spray gun cuts out, pressure in the cavity one sharply raises, the cavity one that piston is suffered and the poor pretightning force greater than pressure spring of the hydraulic coupling of cavity two, pressure relief carries out pressure release to cavity one, piston rod drives the microswitch action simultaneously, cut off the electricity supply, the power source of this cleaning machine is out of service, and this pressure switch is protected; When cavity one and cavity two reach certain pressure, reach new balance with pressure spring pressure, pressure relief stops pressure release, and hydraulic pressure remains on certain pressure, and system is in packing state; When shooting, because of the pressure decreased at high-pressure outlet place, piston rod resets because of the elastic force effect of pressure spring again, and microswitch resets, and is in normally open, and this cleaning machine power source is connected, and recovers cleaning.
In the pressure switch on above-mentioned a kind of cleaning machine, described pressure relief comprises the check valve steel ball that leans with the piston rod right-hand member, and be arranged on left one-way valve seat and right one-way valve seat near the check valve steel ball, described check valve steel ball can lean with the valve port of left one-way valve seat and the valve port of right one-way valve seat respectively, the valve port of described right one-way valve seat is identical with high-pressure outlet, and the valve port of described left one-way valve seat links to each other with a water return outlet that is arranged on the vertical valve body.When spray gun cut out, hydraulic drive piston rod and check valve steel ball in the cavity two moved right, and water under high pressure is back to water return outlet, realized the effect of overflow and complete machine drain charge; When cavity one and cavity two reached certain pressure, the pressure in the switch was in poised state, and piston rod and check valve steel ball are resisted against on the right one-way valve seat and with its sealing, overflow stops, and hydraulic pressure remains on certain pressure, and system is in packing state; When shooting, because of the pressure decreased at high-pressure outlet place, piston rod and check valve steel ball reset again.
In the pressure switch on above-mentioned a kind of cleaning machine, be provided with the pressure release spout hole between described high-pressure outlet and the left one-way valve seat.When high-pressure outlet was closed, water under high pressure can enter water return outlet by right one-way valve seat and pressure release spout hole from cavity one, thereby reaches the effect of pressure release and overflow.
In the pressure switch on above-mentioned a kind of cleaning machine, one end of described piston rod is provided with a look nut that cooperates with piston rod, on the other end of described look nut against a baffle plate is arranged, between described baffle plate and the total valve seat against a pressure spring is arranged, described baffle plate and a push rod are connected, and described push rod links to each other with microswitch.Look nut can be regulated the overflow pressure unloading by the pretightning force that changes pressure spring, and when off-load, push rod meeting and piston rod move right together, thereby triggering microswitch, make the power cut of the power source of this cleaning machine, what use on this cleaning machine is motor-driven, and autoshutdown motor when realizing cutting out cleaning device saves the energy.
In the pressure switch on above-mentioned a kind of cleaning machine, described balance channel comprise be opened in the main channel on total valve seat and be arranged on total valve seat and spacing valve seat between the buffering cavity, described main channel and buffering cavity communicate, and offer the balancing overflow hole of UNICOM's buffering cavity and cavity one on the described spacing valve seat.Because the pressure when closing cleaning device in the cavity one increases suddenly; for protecting all parts in this pressure switch; the less balancing overflow hole of buffering cavity and cross section that this place arranges can be cushioned pressure, except guaranteeing parts, can also make the control of this switch more accurate.
In the pressure switch on above-mentioned a kind of cleaning machine, be provided with sealing ring one and sealing ring two between described total valve seat and the spacing valve seat, described sealing ring one and sealing ring two are in respectively the both sides of buffering cavity.The fluid pressure that enters cavity two from cavity one is larger, thereby in the both sides of buffering cavity sealing ring one and sealing ring two is set, and guarantees accurately control piston of fluid pressure.
In the pressure switch on above-mentioned a kind of cleaning machine, be provided with sealing ring three between described piston and the spacing valve seat, be provided with sealing ring four between the left end of described piston rod and the spacing valve seat.Sealing ring three has guaranteed the pressure differential of piston two ends when closing and open high-pressure outlet, and piston can be moved, and four pairs of cavitys two of sealing ring seal.
Compared with prior art, the utlity model has following advantage:
1, is provided with the pressure release spout hole in this pressure switch; when high-pressure outlet is closed; water under high pressure can enter water return outlet by right one-way valve seat and pressure release spout hole from cavity one; thereby reach the effect of pressure release and overflow; protected all parts of this pressure switch, and made the control of this pressure switch more accurate.
Automatic overflow off-load when 2, this cleaning machine pressure switch has the rifle of closing, while disable motor, the function of automatic starter motor during shooting is not damaged with handled easily and saving water power, protection cleaning machine.
Description of drawings
Fig. 1 is the structural representation of the pressure switch on the cleaning machine in the present embodiment.
Fig. 2 is the full sectional view of Fig. 1.
Among the figure, 1, total valve seat; 2, high pressure intake; 3, high-pressure outlet; 4, spacing valve seat; 5, piston rod; 6, piston; 7, check valve steel ball; 8, left one-way valve seat; 9, right one-way valve seat; 10, water return outlet; 11, cavity one; 12, cavity two; 131, main channel; 132, buffering cavity; 133, balancing overflow hole; 14, microswitch; 15, pressure release spout hole; 16, look nut; 17, baffle plate; 18, pressure spring; 19, push rod; 20a, sealing ring one; 20b, sealing ring two; 20c, sealing ring three; 20d; Sealing ring four.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As depicted in figs. 1 and 2, pressure switch on a kind of cleaning machine, this pressure switch comprises total valve seat 1, total valve seat 1 is provided with high pressure intake 2 and the high-pressure outlet 3 that communicates, it is characterized in that, be provided with a spacing valve seat 4 in total valve seat 1, the left end of spacing valve seat 4 cooperates with a piston rod 5, the middle part of piston rod 5 is fixed with piston 6, piston 6 cooperates with the right-hand member of spacing valve seat 4, the right-hand member of piston rod 5 and check valve steel ball 7 against, this pressure switch also comprises near left one-way valve seat 8 and the right one-way valve seat 9 that is arranged on the check valve steel ball 7, check valve steel ball 7 can lean with the valve port of left one-way valve seat 8 and the valve port of right one-way valve seat 9 respectively, the valve port of right one-way valve seat 9 communicates with high-pressure outlet 3, the valve port of left one-way valve seat 8 links to each other with a water return outlet 10 that is arranged on total valve body 1, be provided with pressure release spout hole 15 between high-pressure outlet 3 and the left one-way valve seat 8, when high-pressure outlet 3 is closed, water under high pressure can enter water return outlet 10 by right one-way valve seat 9 and pressure release spout hole 15 from cavity 1, thereby reach the effect of pressure release and overflow, high-pressure outlet 3 forms a cavity 1 when high-pressure outlet 3 is closed, form cavity 2 12 between the left side of spacing valve seat 4 and piston 6, both communicate cavity 1 and cavity 2 12 by a balance channel, the left end of piston rod 5 be provided with one can this cleaning machine of opening and closing the microswitch 14 of power source, the left end of piston rod 5 is provided with a look nut 16 that cooperates with piston rod 5, on look nut 16 right sides against a baffle plate 17 is arranged, between baffle plate 17 and the total valve seat 1 against a pressure spring 18 is arranged, baffle plate 17 and a push rod 19 are connected, push rod 19 links to each other with microswitch 14, look nut 16 can be regulated the overflow pressure unloading by the pretightning force that changes pressure spring 18, and when off-load, push rod 19 meetings and piston 6 bars 5 move right together, thereby trigger microswitch 14, make the power cut of the power source of this cleaning machine, what use on this cleaning machine is motor-driven, autoshutdown motor when cleaning device is closed in realization is saved the energy.
As shown in Figure 2; in the pressure switch on this cleaning machine; balance channel comprises and is opened in the main channel 131 on total valve seat 1 and is arranged on buffering cavity 132 between total valve seat 1 and the spacing valve seat 4; main channel 131 and buffering cavity 132 communicate; offer the balancing overflow hole 133 of UNICOM's buffering cavity 132 and cavity 1 on the spacing valve seat 4; because the pressure when closing cleaning device in the cavity 1 increases suddenly; for protecting all parts in this pressure switch; the less balancing overflow hole 133 of buffering cavity 132 and cross section that this place arranges can be cushioned pressure; except guaranteeing parts, can also make the control of this switch more accurate.Between total valve seat 1 and spacing valve seat 4, be provided with sealing ring one 20a and sealing ring two 20b, sealing ring one 20a and sealing ring two 20b are in respectively the both sides of buffering cavity 132, be provided with sealing ring three 20c between piston 6 and the spacing valve seat 4, be provided with sealing ring four 20d between the left end of piston 6 bars 5 and the spacing valve seat 4, the fluid pressure that enters cavity 2 12 from cavity 1 is larger, thereby the both sides at buffering cavity 132 arrange sealing ring one 20a and sealing ring two 20b, guarantee accurately control piston 6 of fluid pressure, sealing ring three 20c have guaranteed the pressure differential of piston 6 two ends when closing and open high-pressure outlet 3, piston 6 can be moved, and sealing ring four 20d seal cavity 2 12.
The operation principle of the pressure switch on this cleaning machine is: during cleaning machine work, piston rod 5 is issued to balance with check valve steel ball 7 in the hydraulic coupling of cavity 1 and cavity 2 12 and the pretightning force effect of pressure spring 18, and check valve steel ball 7 is resisted against on the left one-way valve seat 8 and with the sealing valve port of left one-way valve seat 8.When spray gun cuts out, pressure in the cavity 1 sharply raises, highly pressurised liquid in the cavity 1 is by way of the main channel 131, buffering cavity 132 and balance spout hole 133 enter cavity 2 12, the cavity 1 that piston rod 5 and check valve steel are suffered and the poor pretightning force greater than pressure spring 18 of hydraulic coupling of cavity 2 12, and pushing piston bar 5 and check valve steel ball 7 move right, water under high pressure is back to water return outlet 10 by pressure release spout hole 15, realize the effect of overflow and complete machine drain charge, piston rod 5 pulling push rods 19 and piston rod 5 move right together simultaneously, thereby trigger microswitch 14, make the motor of this cleaning machine out of service; When cavity 1 and cavity 212 reach certain pressure, reach new balance with pressure spring 18 pressure, pressure spring 18 pushing piston bars 5 and check valve steel ball 7 are resisted against on the right one-way valve seat 9 and with its sealing, and overflow stops, hydraulic pressure remains on certain pressure, and system is in packing state; When shooting, because of the pressure decreased at high-pressure outlet 3 places, piston rod 5 resets with the elastic force effect of check valve steel ball 7 because of pressure spring 18 again, and microswitch 14 resets, and is in normally open, and this cleaning machine power source is connected, and recovers cleaning.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used total valve seat 1, high pressure ponding mouth 2, high-pressure outlet 3, spacing valve seat 4, piston rod 5, piston 6, check valve steel ball 7, left one-way valve seat 8, right one-way valve seat 9, water return outlet 10, cavity 1, cavity 2 12, main channel 131, buffering cavity 132, balancing overflow hole 133, microswitch 14, pressure release overflow valve 15, look nut 16, baffle plate 17, pressure spring 18, push rod 19, sealing ring one 20a, sealing ring two 20b, the terms such as sealing ring three 20c, sealing ring four 20d, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. the pressure switch on the cleaning machine; this pressure switch comprises total valve seat (1); described total valve seat (1) is provided with high pressure intake (2) and the high-pressure outlet (3) that communicates; it is characterized in that; be provided with a spacing valve seat (4) in described total valve seat (1); the left end of described spacing valve seat (4) cooperates with a piston rod (5); the middle part of piston rod (5) is fixed with piston (6); described piston (6) cooperates with the right-hand member of spacing valve seat (4); when high-pressure outlet (3) when closing high-pressure outlet (3) form a cavity one (11); form cavity two (12) between the left side of described spacing valve seat (4) and piston (6); both communicate described cavity one (11) and cavity two (12) by a balance channel; be provided with a pressure relief that can carry out at high-pressure outlet (3) decompression protection when closing to cavity one (11) between the right-hand member of described piston rod (5) and the total valve seat (1), the left end of described piston rod (5) be provided with one can this cleaning machine of opening and closing the microswitch (1 4) of power source.
2. the pressure switch on a kind of cleaning machine according to claim 1, it is characterized in that, described pressure relief comprise with piston rod (5) right-hand member against check valve steel ball (7), and be arranged on left one-way valve seat (8) and right one-way valve seat (9) near the check valve steel ball (7), described check valve steel ball (7) can lean with the valve port of left one-way valve seat (8) and the valve port of right one-way valve seat (9) respectively, the valve port of described right one-way valve seat (9) communicates with high-pressure outlet (3), and the valve port of described left one-way valve seat (8) links to each other with a water return outlet (10) that is arranged on the vertical valve body.
3. the pressure switch on a kind of cleaning machine according to claim 2 is characterized in that, is provided with pressure release spout hole (15) between described high-pressure outlet (3) and the left one-way valve seat (8).
4. the pressure switch on a kind of cleaning machine according to claim 3, it is characterized in that, one end of described piston rod (5) is provided with a look nut (16) that cooperates with piston rod (5), the other end of described look nut (16) is against a baffle plate (17) is arranged, between described baffle plate (17) and the total valve seat (1) against a pressure spring (18) is arranged, described baffle plate (17) is connected with a push rod (19), and described push rod (19) links to each other with microswitch (14).
5. according to claim 1 and 2 or the pressure switch on 3 or 4 described a kind of cleaning machines, it is characterized in that, described balance channel comprise the main channel (131) that is opened on total valve seat (1) and be arranged on total valve seat (1) and spacing valve seat (4) between buffering cavity (132), described main channel (131) and buffering cavity (132) communicate, and offer the balancing overflow hole (133) of UNICOM's buffering cavity (132) and cavity one (11) on the described spacing valve seat (4).
6. according to claim 1 and 2 or the pressure switch on 3 or 4 described a kind of cleaning machines, it is characterized in that, be provided with sealing ring one (20a) and sealing ring two (20b) between described total valve seat (1) and the spacing valve seat (4), described sealing ring one (20a) and sealing ring two (20b) are in respectively the both sides of buffering cavity (132).
7. according to claim 1 and 2 or the pressure switch on 3 or 4 described a kind of cleaning machines, it is characterized in that, be provided with sealing ring three (20c) between described piston (6) and the spacing valve seat (4), be provided with sealing ring four (20d) between the left end of described piston rod (5) and the spacing valve seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220483818 CN202762711U (en) | 2012-09-20 | 2012-09-20 | Pressure switch of cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220483818 CN202762711U (en) | 2012-09-20 | 2012-09-20 | Pressure switch of cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202762711U true CN202762711U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220483818 Expired - Fee Related CN202762711U (en) | 2012-09-20 | 2012-09-20 | Pressure switch of cleaning machine |
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| CN (1) | CN202762711U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103670992A (en) * | 2013-09-17 | 2014-03-26 | 苏州欧赛电器有限公司 | Back-and-forth linkage mechanism manual pump of handheld steam cleaner |
| CN104696549A (en) * | 2013-12-06 | 2015-06-10 | 苏州金莱克精密机械有限公司 | High pressure washer with improved unloading valve |
| CN104776004A (en) * | 2015-04-21 | 2015-07-15 | 黄小良 | High-pressure airless sprayer plunger pump |
| CN106423617A (en) * | 2016-12-01 | 2017-02-22 | 广州富森环保科技股份有限公司 | High-pressure cleaning overflow gun |
| CN106640620A (en) * | 2016-11-17 | 2017-05-10 | 宁波可利尔电器科技有限公司 | Low pressure retaining device of high pressure cleaning machine |
| CN107477209A (en) * | 2017-09-30 | 2017-12-15 | 上海丰禾精密机械有限公司 | High pressure switching valve |
| CN107811539A (en) * | 2017-11-23 | 2018-03-20 | 九牧厨卫股份有限公司 | A kind of bathtub of ejecting device and the application ejecting device |
| CN108273183A (en) * | 2018-01-30 | 2018-07-13 | 河南煜博医疗器械制造有限公司 | Utilize CO2The low-temperature impact throe equipment of rapid cooling |
| CN108757432A (en) * | 2018-05-30 | 2018-11-06 | 华东矿用设备有限公司 | A kind of bivalve automatic control cutout system |
| CN109259704A (en) * | 2018-10-19 | 2019-01-25 | 珠海格力电器股份有限公司 | Dish-washing machine consumptive material delivery device and dish-washing machine |
| CN109910830A (en) * | 2019-04-25 | 2019-06-21 | 王盈盈 | A kind of washing automobile chassis device |
| CN111594424A (en) * | 2020-05-25 | 2020-08-28 | 浙江翔贸机电有限公司 | Pump head of high-pressure cleaning machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103670992B (en) * | 2013-09-17 | 2015-10-21 | 苏州欧赛电器有限公司 | A kind of Back-and-forth linkage mechanism manual pump of handheld steam cleaner |
| CN103670992A (en) * | 2013-09-17 | 2014-03-26 | 苏州欧赛电器有限公司 | Back-and-forth linkage mechanism manual pump of handheld steam cleaner |
| CN104696549A (en) * | 2013-12-06 | 2015-06-10 | 苏州金莱克精密机械有限公司 | High pressure washer with improved unloading valve |
| CN104776004A (en) * | 2015-04-21 | 2015-07-15 | 黄小良 | High-pressure airless sprayer plunger pump |
| CN106014954A (en) * | 2015-04-21 | 2016-10-12 | 黄小良 | Pressure switch for plunger pump of high-pressure airless spraying machine |
| CN106050598A (en) * | 2015-04-21 | 2016-10-26 | 黄小良 | Plunger pump for high-pressure airless spraying machine |
| CN106014954B (en) * | 2015-04-21 | 2017-08-25 | 黄小良 | The pressure switch of plunger pump of high-pressure airless sprayer |
| CN106640620B (en) * | 2016-11-17 | 2019-04-30 | 宁波可利尔电器科技有限公司 | A kind of minimum living pressure device of jetting machine |
| CN106640620A (en) * | 2016-11-17 | 2017-05-10 | 宁波可利尔电器科技有限公司 | Low pressure retaining device of high pressure cleaning machine |
| CN106423617A (en) * | 2016-12-01 | 2017-02-22 | 广州富森环保科技股份有限公司 | High-pressure cleaning overflow gun |
| CN107477209A (en) * | 2017-09-30 | 2017-12-15 | 上海丰禾精密机械有限公司 | High pressure switching valve |
| CN107477209B (en) * | 2017-09-30 | 2023-10-20 | 上海丰禾精密机械有限公司 | High-pressure switching valve |
| CN107811539A (en) * | 2017-11-23 | 2018-03-20 | 九牧厨卫股份有限公司 | A kind of bathtub of ejecting device and the application ejecting device |
| CN108273183B (en) * | 2018-01-30 | 2020-12-01 | 河南煜博医疗器械制造有限公司 | By using CO2Low-temperature impact pain equipment capable of rapidly cooling |
| CN108273183B9 (en) * | 2018-01-30 | 2021-02-05 | 河南煜博医疗器械制造有限公司 | By using CO2Low-temperature impact analgesia equipment capable of rapidly cooling |
| CN108273183A (en) * | 2018-01-30 | 2018-07-13 | 河南煜博医疗器械制造有限公司 | Utilize CO2The low-temperature impact throe equipment of rapid cooling |
| CN108757432A (en) * | 2018-05-30 | 2018-11-06 | 华东矿用设备有限公司 | A kind of bivalve automatic control cutout system |
| CN109259704A (en) * | 2018-10-19 | 2019-01-25 | 珠海格力电器股份有限公司 | Dish-washing machine consumptive material delivery device and dish-washing machine |
| CN109910830A (en) * | 2019-04-25 | 2019-06-21 | 王盈盈 | A kind of washing automobile chassis device |
| CN111594424A (en) * | 2020-05-25 | 2020-08-28 | 浙江翔贸机电有限公司 | Pump head of high-pressure cleaning machine |
| CN111594424B (en) * | 2020-05-25 | 2024-03-19 | 浙江翔贸机电有限公司 | Pump head of high-pressure cleaning machine |
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