CN207178183U - A kind of hydraulic devices - Google Patents
A kind of hydraulic devices Download PDFInfo
- Publication number
- CN207178183U CN207178183U CN201721251171.7U CN201721251171U CN207178183U CN 207178183 U CN207178183 U CN 207178183U CN 201721251171 U CN201721251171 U CN 201721251171U CN 207178183 U CN207178183 U CN 207178183U
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- water
- water supply
- seal
- cutting
- chamber
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Abstract
The utility model discloses a kind of hydraulic devices, including water inlet, delivery port, raw water chamber, water chamber, sealing of cutting off the water supply, component of cutting off the water supply, upper ring cap, lower ring set, raw water pressure chamber and water outlet pressure chamber, raw water pressure both chamber and water outlet pressure chamber is opposite to the force direction for component of cutting off the water supply, a pressure chamber in both is connected with upper ring cap lower open end, another pressure chamber is connected with lower ring set upper open end, and the lower ring set lower open end is connected with delivery port.Component of cutting off the water supply includes control-rod and two seal up and down being set on control-rod, control-rod upper and lower ends are respectively embedded into upper ring cap and lower ring set.Sealing of cutting off the water supply is made up of the ring set of connection water outlet pressure chamber, and on control-rod a seal is in close contact with connecting the ring set inwall of raw water pressure chamber, and another seal carries out keying control under Component driver of cutting off the water supply to sealing of cutting off the water supply.The utility model can guarantee that water shutoff is tight when water feeding pressure is larger, and can exempt or reduce vibrations.
Description
Technical field
It the utility model is related to current break-make control assembly, specifically a kind of hydraulic devices.
Background technology
Domestic water purification machine system, which is commonly equipped with, cuts off the water supply equipment to be controlled to the break-make in water route, can be achieved as numerous
One of equipment of water cut-off function, water cut-off pump are applied in Domestic water purification machine system.Existing water cut-off pump is typically provided with raw water
Chamber, the water chamber of raw water chamber is connected with water inlet and connects the delivery port of water chamber, set on the passage of entery and delivery port connection
There is control to cut off the water supply and seal the component of cutting off the water supply of keying.Existing water cut-off pump easily occurs shaking larger, envelope of cutting off the water supply when water feeding pressure is larger
The problems such as water shutoff is not tight at mouthful, this have impact on application of the water cut-off pump in Domestic water purification machine system to a certain extent.
Utility model content
The purpose of this utility model is to solve existing water cut-off pump and easily occurs that vibrations are larger, cut off the water supply when water feeding pressure is larger
The problem of sealing part water shutoff is not tight, there is provided a kind of hydraulic devices, it can guarantee that water shutoff is tight when water feeding pressure is larger, and energy
Exempt or reduce vibrations.
The purpose of this utility model is achieved through the following technical solutions：A kind of hydraulic devices, including water inlet, water outlet
Mouth and the raw water chamber and water chamber being sequentially arranged on water inlet to delivery port connection passage, the delivery port and water chamber
Connect passage be provided with cut off the water supply sealing and by open and close cut off the water supply sealing control between delivery port and water chamber passage it is logical,
The component of cutting off the water supply changed under disconnected two states；The supercharging water shutting pump also includes upper ring cap, lower ring set, the original connected with raw water chamber
Hydraulic pressure chamber and the water outlet pressure chamber connected positioned at sealing of cutting off the water supply with water chamber on passage, the upper ring cap are coaxially set with lower ring set
Put, end closure and its lower ending opening on upper ring cap, lower ring set upper and lower ends are open；The raw water presses both chamber and water outlet pressure chamber
Force direction to component of cutting off the water supply on the contrary, a pressure chamber in both is connected with upper ring cap lower open end, another pressure chamber with
Lower ring set upper open end is connected, and the lower ring set lower open end is connected with delivery port；The component of cutting off the water supply includes control-rod and set
Two seal up and down being located on control-rod, the control-rod are embedding through raw water pressure chamber, water outlet pressure chamber and its upper and lower ends difference
Enter in upper ring cap and lower ring set, control-rod, which is formed, the water flowing runner for connecting its upper and lower ends place cavity；The sealing of cutting off the water supply
It is made up of the ring set of connection water outlet pressure chamber, on control-rod a seal is in close contact with connecting the ring set inwall of raw water pressure chamber,
Keying control is carried out to sealing of cutting off the water supply under the drive that another seal shifts above and below Component driver control-rod of cutting off the water supply；Described in two
Seal in the area that is acted on by the area that hydraulic pressure acts on top seal upper surface by hydraulic pressure of lower section seal lower surface match
Correspondingly, a seal is pressed the area that intracavitary hydraulic pressure acts on another seal by water outlet pressure chamber by raw water in the seal described in two
The area of interior hydraulic pressure effect matches correspondingly.
The utility model is set in two seal on control-rod, and a seal is driven as seal of cutting off the water supply in component of cutting off the water supply
Keying control is carried out to sealing of cutting off the water supply under the drive that dynamic control-rod shifts up and down, another seal is as water shutoff seal in control-rod
It is in close contact all the time with connecting the ring set inwall of raw water pressure chamber during displacement up and down.Lower section seal lower surface in two seal
Matched by the area of hydraulic pressure effect with the area that top seal upper surface is acted on by hydraulic pressure corresponding；Specially：In two seal
Lower section seal lower surface by the area that hydraulic pressure acts on and top seal upper surface by the area that hydraulic pressure acts on close to equal, i.e., both
Lifting surface area it is roughly equal, the fine difference of appearance should also be the difference in the range of the mismachining tolerance of permission.Two seal
In a seal pressed the area phase that the area of intracavitary hydraulic pressure effect acts on another seal by water outlet pressure intracavitary hydraulic pressure by raw water
Matching is corresponding；Specially：A seal is pressed the area of intracavitary hydraulic pressure effect to be gone out with another seal by raw water in two seal
Both the area of hydraulic pressure intracavitary hydraulic pressure effect is close to equal, i.e., lifting surface area is roughly equal, and the fine difference of appearance also should
The difference being allowed in the range of mismachining tolerance.
Control-rod of the present utility model, which is formed, the water flowing runner for connecting its upper and lower ends place cavity, because in two seal
Lower section seal lower surface is by the area that hydraulic pressure acts on and top seal upper surface by the area that hydraulic pressure acts on close to equal, two envelopes
Lower section seal lower surface is cancelled out each other by the active force of hydraulic pressure with top seal upper surface by the active force of hydraulic pressure in circle.This practicality
It is new when not being pressurized startup, if water feeding pressure is larger, cut off the water supply seal raw water press chamber hydraulic pressure in the presence of remain and connect
The ring set inwall of pass-out hydraulic pressure chamber is in close contact, it can be ensured that water shutoff performance of the present utility model.
Cut off the water supply as the utility model and seal the first embodiment of laying, the raw water pressure chamber is being located at water outlet pressure chamber just
Top, the sealing of cutting off the water supply are made up of lower ring set upper open end, and the relatively low seal of relative position is seal of cutting off the water supply in two seal,
The seal opening of cutting off the water supply, which is cut off the water supply, is embedded in water outlet pressure intracavitary when sealing, seal of cutting off the water supply closing is cut off the water supply when sealing and lower ring set upper shed
The inner wall sealing contact at end.
Cut off the water supply as the utility model and seal second of embodiment of laying, the raw water pressure chamber is being located at water outlet pressure chamber just
Lower section, the sealing of cutting off the water supply are made up of upper ring cap lower open end, and the higher seal of relative position is seal of cutting off the water supply in two seal,
The seal opening of cutting off the water supply, which is cut off the water supply, is embedded in water outlet pressure intracavitary when sealing, seal of cutting off the water supply closing is cut off the water supply when sealing and upper ring cap under shed
The inner wall sealing contact at end.
Further, a kind of hydraulic devices, including the pump housing, the raw water chamber, water chamber, upper ring cap and lower ring set are by pump
Body is formed, and the component of cutting off the water supply is arranged in the pump housing, and the raw water pressure chamber and water outlet pressure chamber separate pump body for component of cutting off the water supply
Region is formed.
Further, the pump housing includes pump head body and gland, the gland and sealed connection and and pump at the top of pump head body
Being formed between head body has accommodating cavity, and the raw water pressure chamber and water outlet pressure chamber separate the accommodating cavity for component of cutting off the water supply and formed.
Further, the component of cutting off the water supply also includes pressure-sensitive barrier film, helps envelope spring and pressing plate, the pressure-sensitive barrier film periphery close
Sealing is scheduled between pump head body and gland, and the raw water pressure chamber and water outlet pressure chamber are specifically separated by pressure-sensitive barrier film to be formed；It is described to help
Seal spring and pressing plate to be fixedly connected on pressure-sensitive barrier film located at raw water pressure intracavitary, pressing plate, the control-rod passes through pressure-sensitive barrier film
And be fixedly connected with the pressing plate, help envelope both ends of the spring to be respectively acting in the raw water pressure cavity wall of pressing plate and pressing plate face.
The utility model is when being pressurized startup, the increase of water outlet cavity pressure, the water outlet pressure cavity pressure connected with water chamber
Also increase, water outlet pressure cavity pressure overcomes raw water pressure intracavitary hydraulic pressure and helps envelope spring to the active force of pressure-sensitive barrier film, drive control
Bar is mobile and causes the not re-closed sealing of cutting off the water supply of seal of cutting off the water supply；When out of service, water outlet pressure cavity pressure reduces the present invention, when
When water outlet pressure intracavitary hydraulic pressure is less than certain value, raw water presses intracavitary hydraulic pressure and helps both envelope springs to overcome the active force of pressure-sensitive barrier film
Water outlet pressure intracavitary hydraulic pressure drives control-rod to drive seal of cutting off the water supply mobile and finally closes envelope of cutting off the water supply to the active force of pressure-sensitive barrier film
Mouthful.
In summary, the utility model has the advantages that：(1) the utility model overall structure is simple, is easy to reality
Existing, cost is low, and two seal are arranged with control-rod of the present utility model, and a seal is remained and connect as water shutoff seal
The ring set inwall of logical raw water pressure chamber is in close contact, and another seal moves down cutting off the water supply as seal is cut off the water supply on Component driver control-rod
Keying control is carried out to sealing of cutting off the water supply under the drive of position, active force and top of the lower section seal lower surface by hydraulic pressure in two seal
Seal upper surface is cancelled out each other by the active force of hydraulic pressure, and the utility model seal of being cut off the water supply when not being pressurized startup can ensure envelope of cutting off the water supply
Mouth is in closed state all the time.In this way, the utility model is avoided that when water feeding pressure is excessive to water shutoff performance of the present utility model
Have an impact, ensure the tightness of water shutoff, and can exempt or reduce vibrations so that the utility model is more convenient for promoting when applying and answered
With.
(2) seal of the present utility model remains as water shutoff seal presses the ring set inwall of chamber tight with connecting raw water
Contiguity is touched, and during being shifted above and below control-rod, can be reached the purpose for slowing down control-rod movement, be helped avoid cutting off the water supply
Vibrations caused by sealing that component is opened rapidly or closing is cut off the water supply.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the cross section structure diagram of embodiment 1；
Fig. 2 is the cross section structure diagram of embodiment 2；
Fig. 3 be Fig. 2 in A-A to cross section structure diagram.
Mark and corresponding parts title in accompanying drawing：01st, water inlet, 02, pump head body, 03, raw water chamber, 04, water chamber,
05th, cut off the water supply seal one, 06, ring set one of cutting off the water supply, 07, seal ring set, 08, water outlet pressure chamber one, 09, delivery port, 10, sealing ring, 11,
Gland, 12, raw water pressure chamber one, 13, pressure-sensitive barrier film, 14, help envelope spring one, 15, pressing plate one, 16, damping ring set one, 17, damping
Chamber, 18, water shutoff seal one, 19, outlet passage, 20, control-rod, 21, sealing one of cutting off the water supply, 22, damping ring set two, 23, raw water pressure
Chamber two, 24, seal two of cutting off the water supply, 25, ring set two of cutting off the water supply, 26, sealing two of cutting off the water supply, 27, water outlet pressure chamber two, 28, cross water flow passage one,
29th, water flow passage two is crossed, 30, water shutoff seal two, 31, cross water flow passage three, 32, help envelope spring two, 33, pressing plate two.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
As shown in figure 1, a kind of hydraulic devices, including the pump housing and the component of cutting off the water supply that is arranged in the pump housing, wherein, the pump housing includes
Pump head body 02 and gland 11, pump head body 02, which is formed, to be had water inlet 01, seal ring set 07, delivery port 09, lower ring set and sequentially sets
The raw water chamber 03 and water chamber 04 connected in water inlet 01 to delivery port 09 on passage are put, raw water chamber 03 is with water chamber 04 by sealing
Ring set 07, which separates, to be formed.The gland 11 of the present embodiment and the top of pump head body 02, which are tightly connected and formed between pump head body 02, appearance
Chamber is empty, component of cutting off the water supply separates the accommodating cavity and forms two cavitys up and down, and the cavity of lower section is to go out with what water chamber 04 was connected
Hydraulic pressure chamber 1, the cavity of top press chamber 1 to connect the raw water of raw water chamber 03.In order to ensure gland 11 and pump head body 02 it
Between sealing property, be provided with sealing ring 10 between the gland 11 and pump head body 02 of the present embodiment.The lower ring set of the present embodiment is
Cut off the water supply ring set 1, ring set 1 of cutting off the water supply is vertically arranged and its upper and lower ends is open, and the upper open end of ring set 1 of cutting off the water supply is with going out
Hydraulic pressure chamber 1 is connected, and its lower open end is connected with delivery port 09.The gland 11 of the present embodiment is provided with upper ring cap, upper ring cap tool
Body is the damping ring set 1 that gland 11 is formed, and damping ring set 1 is vertically arranged and is coaxially disposed with ring set 1 of cutting off the water supply, hindered
End closure and its lower ending opening on Buddhist nun's ring set 1, the damping lower open end of ring set 1 are connected with raw water pressure chamber 1.
The delivery port 09 of the present embodiment is connected on passage with water chamber 04 and is additionally provided with sealing 1 of cutting off the water supply, sealing 1 of cutting off the water supply
Specifically it is made up of the upper open end of ring set 1 of cutting off the water supply, the component of cutting off the water supply of the present embodiment cuts off the water supply sealing 1 to control out by opening and closing
Passage is changed under switching two states between the mouth of a river 09 and water chamber 04.The component of cutting off the water supply of the present embodiment includes control-rod 20
And it is set in cut off the water supply seal 1 and the water shutoff seal 1 above seal 1 of cutting off the water supply on control-rod 20, control-rod 20
Damping ring set 1 and ring set 1 of cutting off the water supply are respectively embedded into through raw water pressure chamber 1, water outlet pressure chamber 1 and its upper and lower ends
It is interior.The water shutoff seal 1 of the present embodiment is in close contact with the damping inwall of ring set 1 all the time, and seal 1 of cutting off the water supply is in group of cutting off the water supply
Keying control is carried out to sealing 1 of cutting off the water supply under the drive that part drive control bar shifts about 20.The water shutoff seal one of the present embodiment
18, which separate damping ring set 1 interior zone, forms the damping cavity 17 positioned at the top of water shutoff seal 1, and control-rod 20 is formed and connect
The water flowing runner 19 of cavity where logical damping cavity 17 and the lower end of control-rod 20.The chamber 17 dampened of water shutoff seal 1 of the present embodiment
The area of interior hydraulic pressure effect match with the area that the lower surface of seal 1 of cutting off the water supply is acted on by hydraulic pressure it is corresponding, water shutoff seal 1 by
The area phase that the area of hydraulic pressure effect is acted on seal 1 of cutting off the water supply by hydraulic pressure in water outlet pressure chamber 1 in raw water pressure chamber 1
With corresponding.
The component of cutting off the water supply of the present embodiment also includes pressure-sensitive barrier film 13, helps envelope spring 1 and pressing plate 1, pressure-sensitive barrier film 13
Peripheral sealing is fixed between pump head body 02 and gland 11, and raw water pressure chamber 1 and water outlet pressure chamber 1 are specifically by pressure-sensitive barrier film 13
Separate and form.The present embodiment helps envelope spring 1 and pressing plate 1 in raw water pressure chamber 1, and pressing plate 1, which is fixed, to be connected
The upper surface of pressure-sensitive barrier film 13 is connected to, control-rod 20 is fixedly connected through pressure-sensitive barrier film 13 and with pressing plate 1, helps envelope spring 1
Upper and lower ends are respectively acting on gland 11 and pressing plate 1.
When the present embodiment is applied, cut off the water supply seal 1 under the drive that Component driver control-rod of cutting off the water supply shifts about 20 to disconnected
Water seal mouth 1 carries out keying control.Seal 1 of cutting off the water supply is opened and is embedded in when cutting off the water supply sealing 1 in water outlet pressure chamber 1, is cut off the water supply
The closing of seal 1 is cut off the water supply and contacted when sealing 1 with the inner wall sealing for the upper open end of ring set 1 of cutting off the water supply.
Embodiment 2：
As shown in Figures 2 and 3, the present embodiment and the difference of embodiment 1 are：The component of cutting off the water supply of the present embodiment separates accommodating
In two cavitys up and down that cavity is formed, the cavity of lower section presses chamber 2 23 for raw water, and the cavity of top is water outlet pressure chamber 2 27.This
The pump head body 02 of embodiment, which is also formed, water flow passage 1, crosses water flow passage 2 29 and crosses water flow passage 3 31, raw water pressure chamber 2 23
By cross water flow passage 3 31 connected with raw water chamber 03, water outlet pressure chamber 2 27 successively cross water flow passage 1, cross water flow passage 2 29 after and
Water chamber 04 is connected.
The lower ring set of the present embodiment is damping ring set 2 22, and damping ring set 2 22 is vertically arranged and its upper and lower ends is opened
Mouthful, the damping upper open end of ring set 2 22 is connected with raw water pressure chamber 2 23, and its lower open end is connected with delivery port 09.The present embodiment
Upper ring cap is the ring set 2 25 of cutting off the water supply that gland 11 is formed, and ring set 2 25 of cutting off the water supply is vertically arranged and with cutting off the water supply that ring set 2 25 is coaxial to be set
To put, end closure and its lower ending opening on ring set 2 25 of cutting off the water supply, the lower open end of ring set 2 25 of cutting off the water supply is connected with water outlet pressure chamber 2 27, this
Embodiment cuts off the water supply sealing as the sealing 2 26 of cutting off the water supply for the lower open end of ring set 2 25 composition of cutting off the water supply.
It is respectively the seal 2 24 and positioned at seal two of cutting off the water supply of cutting off the water supply that two seal are arranged with the control-rod 20 of the present embodiment
The water shutoff seal 2 30 of 24 lower sections.The envelope spring that helps that the present embodiment interrupts water assembly is to help envelope spring 2 32, the pressure for component of cutting off the water supply
Plate is pressing plate 2 33, helps envelope spring 2 32 and pressing plate 2 33 in raw water pressure chamber 2 23, pressing plate 2 33 is fixedly connected on sense
The lower surface of barrier film 13 is pressed, control-rod 20 is fixedly connected through pressure-sensitive barrier film 13 and with pressing plate 2 33, helps envelope spring two about 2 32
End is respectively acting on pressing plate 2 33 and the raw water pressure inner bottom part of chamber 2 23.
When the present embodiment is applied, cut off the water supply seal 2 24 under the drive that Component driver control-rod of cutting off the water supply shifts about 20 to disconnected
Water seal mouth 2 26 carries out keying control.Seal 2 24 of cutting off the water supply is opened and is embedded in when cutting off the water supply sealing 2 26 in water outlet pressure chamber 2 27, is cut off the water supply
The closing of seal 2 24 is cut off the water supply and contacted when sealing 2 26 with the inner wall sealing for the lower open end of ring set 2 25 of cutting off the water supply.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of hydraulic devices, including water inlet (01), delivery port (09) and it is sequentially arranged in water inlet (01) to delivery port
(09) the raw water chamber (03) and water chamber (04) connected on passage, the delivery port (09) are connected on passage with water chamber (04) and set
Cut off the water supply and sealing and cut off the water supply sealing by opening and closing to control between delivery port (09) and water chamber (04) passage in switching two
The component of cutting off the water supply changed under kind state；Characterized in that, also include upper ring cap, lower ring set, the raw water connected with raw water chamber (03)
Pressure chamber and the water outlet pressure chamber connected positioned at sealing of cutting off the water supply with water chamber (04) on passage, the upper ring cap and lower ring set are coaxial
Set, end closure and its lower ending opening on upper ring cap, lower ring set upper and lower ends are open；The raw water pressure chamber and water outlet pressure chamber two
For person to the force direction for component of cutting off the water supply on the contrary, a pressure chamber in both is connected with upper ring cap lower open end, another presses chamber
Connected with lower ring set upper open end, the lower ring set lower open end is connected with delivery port (09)；The component of cutting off the water supply includes control
Bar (20) and two seal up and down being set on control-rod (20), the control-rod (20) press chamber, water outlet pressure chamber through raw water
And its upper and lower ends is respectively embedded into upper ring cap and lower ring set, control-rod (20), which forms to have, connects its upper and lower ends place cavity
Water flowing runner (19)；The sealing of cutting off the water supply is made up of the ring set of connection water outlet pressure chamber, and a seal on control-rod (20) is with connecing
The ring set inwall of logical raw water pressure chamber is in close contact, the drive that another seal shifts up and down in Component driver control-rod (20) of cutting off the water supply
Under keying control is carried out to sealing of cutting off the water supply；The area and top that lower section seal lower surface is acted on by hydraulic pressure in seal described in two
The area that seal upper surface is acted on by hydraulic pressure matches correspondingly, and a seal is by raw water pressure intracavitary hydraulic pressure in the seal described in two
The area of effect matches corresponding with the area that another seal is acted on by water outlet pressure intracavitary hydraulic pressure.
A kind of 2. hydraulic devices according to claim 1, it is characterised in that raw water pressure chamber located at water outlet pressure chamber just on
Side, the sealing of cutting off the water supply are made up of lower ring set upper open end, and the relatively low seal of relative position is cuts off the water supply seal in two seal, institute
State cut off the water supply seal open cut off the water supply sealing when be embedded in water outlet pressure intracavitary, seal of cutting off the water supply closing cut off the water supply sealing when with lower ring set upper open end
Inner wall sealing contact.
3. a kind of hydraulic devices according to claim 1, it is characterised in that under the raw water pressure chamber is located at water outlet pressure chamber just
Side, the sealing of cutting off the water supply are made up of upper ring cap lower open end, and the higher seal of relative position is cuts off the water supply seal in two seal, institute
State cut off the water supply seal open cut off the water supply sealing when be embedded in water outlet pressure intracavitary, seal of cutting off the water supply closing cut off the water supply sealing when with upper ring cap lower open end
Inner wall sealing contact.
A kind of 4. hydraulic devices according to any one in claims 1 to 3, it is characterised in that including the pump housing, the original
Water cavity (03), water chamber (04), upper ring cap and lower ring set are formed by the pump housing, and the component of cutting off the water supply is arranged in the pump housing, described
Raw water presses chamber and water outlet pressure chamber and separates pump body region composition for component of cutting off the water supply.
5. a kind of hydraulic devices according to claim 4, it is characterised in that the pump housing includes pump head body (02) and gland
(11), the gland (11) and pump head body (02) top, which are tightly connected and formed between pump head body (02), accommodating cavity, institute
State raw water pressure chamber and water outlet pressure chamber and separate accommodating cavity composition for component of cutting off the water supply.
6. a kind of hydraulic devices according to claim 5, it is characterised in that the component of cutting off the water supply also includes pressure-sensitive barrier film
(13) envelope spring and pressing plate, pressure-sensitive barrier film (13) peripheral sealing, is helped to be fixed between pump head body (02) and gland (11), institute
Raw water pressure chamber and water outlet pressure chamber is stated specifically to be made up of pressure-sensitive barrier film (13) separation；It is described to help envelope spring and pressing plate to be located at raw water pressure
Intracavitary, pressing plate are fixedly connected on pressure-sensitive barrier film (13), and the control-rod (20) is fixed through pressure-sensitive barrier film (13) and with pressing plate
Connection, envelope both ends of the spring is helped to be respectively acting in the raw water pressure cavity wall of pressing plate and pressing plate face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721251171.7U CN207178183U (en) | 2017-09-27 | 2017-09-27 | A kind of hydraulic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721251171.7U CN207178183U (en) | 2017-09-27 | 2017-09-27 | A kind of hydraulic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178183U true CN207178183U (en) | 2018-04-03 |
Family
ID=61749332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721251171.7U Expired - Fee Related CN207178183U (en) | 2017-09-27 | 2017-09-27 | A kind of hydraulic devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524591A (en) * | 2017-09-27 | 2017-12-29 | 刘文庆 | A kind of hydraulic devices |
-
2017
- 2017-09-27 CN CN201721251171.7U patent/CN207178183U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524591A (en) * | 2017-09-27 | 2017-12-29 | 刘文庆 | A kind of hydraulic devices |
| CN107524591B (en) * | 2017-09-27 | 2024-01-23 | 刘文庆 | Water pressure device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20200927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |