CN105065681A - Hydraulic control mechanism - Google Patents
Hydraulic control mechanism Download PDFInfo
- Publication number
- CN105065681A CN105065681A CN201510401155.0A CN201510401155A CN105065681A CN 105065681 A CN105065681 A CN 105065681A CN 201510401155 A CN201510401155 A CN 201510401155A CN 105065681 A CN105065681 A CN 105065681A
- Authority
- CN
- China
- Prior art keywords
- water
- piston
- cavity
- valve body
- piston cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
Abstract
The invention discloses a hydraulic control mechanism comprising a valve body, a connecting seat, a seal cover, a piston cylinder, a piston, a piston rod, a seal head and a reset spring; the valve body, the connecting seat, the piston cylinder and the seal cover are connected in sequence from bottom to top; the valve body comprises a water inlet cavity, a water outlet cavity, a water inlet connected with the water inlet cavity, a water outlet connected with the water outlet cavity, and a water seal port connecting the water inlet cavity with the water outlet cavity; the seal head is arranged in the water inlet cavity. A liquid discharge cavity is formed between the connecting seat and the valve body; the connecting seat is provided with a liquid discharge port connected with the liquid discharge cavity; the piston is arranged in the piston cylinder, and divides the piston cylinder into an upper cavity and a lower cavity; the seal cover is provided with an oil inlet/outlet connected with the upper cavity of the piston cylinder. The reset spring is arranged in the lower cavity of the piston cylinder, and two ends of the reset spring respectively apply on the bottom of the lower cavity and the piston. The top of the piston rod is connected with the piston, the bottom of the piston rod penetrates the connecting seat, the liquid discharge cavity, the valve body, the water outlet cavity and the water seal port, and is connected with the seal head. The hydraulic control mechanism can prevent oil water mixing phenomenon in the lower cavity of the piston cylinder.
Description
Technical field
The present invention relates to a kind of mechanism controlling fluid on-off, specifically a kind of hydraulic control.
Background technique
Usually adopt a kind of hydraulic control to control the break-make of current in water supply line, during existing a kind of hydraulic control work, usually occur that piston cylinder upper cavity pressure oil bleeds in piston cylinder cavity of resorption along the gap between piston and piston cylinder, when valve body water conservancy diversion, current also can enter in piston cylinder cavity of resorption, this causes forming oil mixing with water in the cavity of resorption of piston cylinder, does not utilize recycling of fluid.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of a kind of hydraulic control avoiding occurring in piston cylinder cavity of resorption oil mixing with water.
The present invention solves the problem and is achieved through the following technical solutions: a kind of hydraulic control, comprise valve body, connecting base, capping, piston cylinder, piston, piston rod, sealing head and Returnning spring, described valve body, connecting base, piston cylinder and capping connect from the bottom to top in turn, described valve body is configured with water-inlet cavity, water chamber, connect the water intake of water-inlet cavity, connect the water outlet of water chamber, and connect the water cut off device of water-inlet cavity and water chamber, described sealing head is located in water-inlet cavity, exhaust chamber is configured with between described connecting base and valve body, and connecting base is configured with the liquid port connecting this exhaust chamber, described piston is arranged in piston cylinder and piston separator cylinder forms upper and lower two cavitys, described capping is configured with the oil inlet and outlet connecting piston cylinder upper cavity, and described Returnning spring is arranged in piston cylinder lower chamber and its two ends act on bottom piston cylinder lower chamber and piston respectively, described piston rod upper end is connected to piston lower surface central position, and its lower end is connected with sealing head through after connecting base, exhaust chamber, valve body, water chamber and water cut off device successively.During original state of the present invention, sealing head closes water cut off device, and water-inlet cavity and water chamber are disconnected.When the present invention applies, when needs Open valve, by the upper cavity oiling of oil inlet and outlet to piston cylinder, oil pressure in upper cavity orders about piston compression Returnning spring, and piston moves downward and drives piston rod to move downward, and piston rod orders about sealing head and no longer closes water cut off device, water-inlet cavity and water chamber are connected, current enter from water-inlet cavity, and enter in water chamber through water cut off device, and then discharge from water outlet; When needs Shuttoff Valve, extract the fluid in piston cylinder upper cavity, Returnning spring orders about piston upwards, drives piston rod and sealing head to move upward, and closes water cut off device by sealing head.Exhaust chamber of the present invention is used for the water cavity of piston separator cylinder lower chamber and valve body.
In order to promote the sealability between exhaust chamber and piston cylinder lower chamber, further, described connecting base upwards caves at the position being positioned at exhaust chamber top and is configured with packing cavity, and described piston rod through this packing cavity, and is provided with stuffing box packing layer between piston rod and packing cavity sidewall.
In order to prevent filler from coming off, further, a kind of hydraulic control, also comprises the gland be located in exhaust chamber, and described gland is connected with connecting base and closes the lower ending opening of packing cavity, and described piston rod is through gland.
In order to the sealability between the water cavity of poppet body and exhaust chamber, further, described piston rod is provided with seal ring through the position of valve body and piston rod.
Compared with prior art, the present invention has following beneficial effect: (1) overall structure of the present invention is simple, be convenient to realize, cost is low, the exhaust chamber of the present invention by setting up between piston cylinder lower chamber and the water cavity of valve body, and be provided with the liquid port connecting exhaust chamber, can avoid occurring oil mixing with water in piston cylinder cavity of resorption, and a small amount of fluid that piston cylinder cavity of resorption leaks and the water that valve body water cavity leaks enter in exhaust chamber, and can discharge from liquid port, fluid in the upper and lower cavity of piston cylinder then can be recycled, saving resource.
(2) the present invention is resetted by Returnning spring when Shuttoff Valve and realizes turning off, simple operation, time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's specific embodiment.
Name in accompanying drawing corresponding to reference character is called: 1, valve body, 2, connecting base, 3, capping, 4, piston cylinder, 5, piston, 6, piston rod, 7, sealing head, 8, gland, 9, stuffing box packing layer, 10, water intake, 11, water outlet, 12, oil inlet and outlet, 13, Returnning spring, 14, liquid port, 15, seal ring.
Embodiment
Below in conjunction with embodiment and accompanying drawing, detailed description is further done to the present invention, but embodiments of the present invention are not limited thereto.
Embodiment 1:
As shown in Figure 1, a kind of hydraulic control, comprise valve body 1, connecting base 2, capping 3, piston cylinder 4, piston 5, piston rod 6, sealing head 7 and Returnning spring 13, wherein, valve body 1, connecting base 2, piston cylinder 4 and capping 3 connect from the bottom to top in turn, valve body 1 is configured with water-inlet cavity, water chamber, connect the water intake 10 of water-inlet cavity, connect the water outlet 11 of water chamber, and connect the water cut off device of water-inlet cavity and water chamber, the present embodiment in the specific implementation, in Fig. 1, water intake 10 is interchangeable with the position of water outlet 11, when after water intake 10 with water outlet 11 location swap, the position of water-inlet cavity and water chamber also exchanges.The sealing head 7 of the present embodiment is located in water-inlet cavity, and it is for carrying out closed water cut off device.Be configured with exhaust chamber between the connecting base 2 of the present embodiment and valve body 1, and connecting base 2 be configured with the liquid port 14 connecting this exhaust chamber.The piston 5 of the present embodiment is arranged in piston cylinder 4, and piston 5 piston separator cylinder 4 inner region forms piston cylinder 4 upper cavity between capping 3 and piston 5 and the piston cylinder between piston 5 and connecting base 24 lower chamber.The capping 3 of the present embodiment is configured with the oil inlet and outlet 12 connecting piston cylinder 4 upper cavity, and Returnning spring 13 is arranged in piston cylinder 4 lower chamber and its two ends act on bottom piston cylinder 4 lower chamber and piston 5 respectively.The piston 5 of the present embodiment, piston rod 6, exhaust chamber, water cut off device and sealing head are coaxially arranged, piston rod 6 upper end is connected to piston 5 lower end surface central position, and its lower end is connected with sealing head 7 through after connecting base 2, exhaust chamber, valve body 1, water chamber and water cut off device successively.
Embodiment 2:
The present embodiment has made following restriction further on the basis of embodiment 1: the connecting base 2 of the present embodiment upwards caves at the position being positioned at exhaust chamber top and is configured with packing cavity, packing cavity is also coaxially arranged with piston rod 6, and piston rod 6 is through this packing cavity, is provided with stuffing box packing layer 9 between piston rod 6 and packing cavity sidewall.The present embodiment comes the gap between packed-piston bar 6 and connecting base 2 by stuffing box packing layer 9, and the fluid that can reduce piston cylinder 4 lower chamber further enters in exhaust chamber, and can prevent the current in exhaust chamber from entering in piston cylinder 4 lower chamber.
Embodiment 3:
The present embodiment has made following restriction further on the basis of embodiment 2: the present embodiment also comprises the gland 8 be located in exhaust chamber, and wherein, gland 8 is connected with connecting base 2 and closes the lower ending opening of packing cavity, and piston rod 6 is through gland 8.The present embodiment, under the effect of gland 8, can prevent the filler on stuffing box packing layer 9 from dropping in exhaust chamber.
Embodiment 4:
The present embodiment has been made and have been limited further as follows on the basis of embodiment 1 ~ embodiment 3: the piston rod 6 of the present embodiment is provided with seal ring 15 through the position of valve body 1 and piston rod 6, and the seal ring 15 of the present embodiment can adopt rubber to make.The present embodiment, can sealability between lift piston rod 6 and valve body 1 by arranging seal ring 15, and then the current that can reduce in valve body 1 water cavity enter the amount of exhaust chamber by the gap between piston rod 6 and valve body 1.
Above content is the further description done the present invention in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other mode of executions drawn under technological scheme of the present invention, all should be included in protection scope of the present invention.
Claims (4)
1. a hydraulic control, it is characterized in that, comprise valve body (1), connecting base (2), capping (3), piston cylinder (4), piston (5), piston rod (6), sealing head (7) and Returnning spring (13), described valve body (1), connecting base (2), piston cylinder (4) and capping (3) connect from the bottom to top in turn, described valve body (1) is configured with water-inlet cavity, water chamber, connect the water intake (10) of water-inlet cavity, connect the water outlet (11) of water chamber, and connect the water cut off device of water-inlet cavity and water chamber, described sealing head (7) is located in water-inlet cavity, exhaust chamber is configured with between described connecting base (2) and valve body (1), and connecting base (2) is configured with the liquid port (14) connecting this exhaust chamber, described piston (5) is arranged in piston cylinder (4) and piston separator cylinder (4) forms upper and lower two cavitys, described capping (3) is configured with connects the oil inlet and outlet (12) of piston cylinder (4) upper cavity, and described Returnning spring (13) is arranged in piston cylinder (4) lower chamber and its two ends act on bottom piston cylinder (4) lower chamber and piston (5) respectively, described piston rod (6) upper end is connected to piston (5) lower end surface central position, and its lower end is connected with sealing head (7) through after connecting base (2), exhaust chamber, valve body (1), water chamber and water cut off device successively.
2. a kind of hydraulic control according to claim 1, it is characterized in that, described connecting base (2) upwards caves at the position being positioned at exhaust chamber top and is configured with packing cavity, described piston rod (6) through this packing cavity, and is provided with stuffing box packing layer (9) between piston rod (6) and packing cavity sidewall.
3. a kind of hydraulic control according to claim 2, it is characterized in that, also comprise the gland (8) be located in exhaust chamber, described gland (8) is connected with connecting base (2) and closes the lower ending opening of packing cavity, and described piston rod (6) is through gland (8).
4. a kind of hydraulic control according to claim 1, is characterized in that, described piston rod (6) is provided with seal ring (15) through the position of valve body (1) and piston rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401155.0A CN105065681A (en) | 2015-07-10 | 2015-07-10 | Hydraulic control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401155.0A CN105065681A (en) | 2015-07-10 | 2015-07-10 | Hydraulic control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105065681A true CN105065681A (en) | 2015-11-18 |
Family
ID=54495132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510401155.0A Pending CN105065681A (en) | 2015-07-10 | 2015-07-10 | Hydraulic control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105065681A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927407A (en) * | 2019-03-05 | 2019-06-25 | 杭州科雷机电工业有限公司 | A kind of injecting type ink-suuplying pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007010395U1 (en) * | 2007-07-26 | 2007-09-27 | Kieselmann Gmbh | globe valve |
| US20100236632A1 (en) * | 2007-09-27 | 2010-09-23 | Kmatic Aps | Valve actuator system |
| CN203098881U (en) * | 2013-02-01 | 2013-07-31 | 罗艳芳 | Valve free from external leakage |
| CN203176506U (en) * | 2013-02-27 | 2013-09-04 | 江汉大学 | Manual operation and hydraulic pressure combined normally-open valve |
| CN204062086U (en) * | 2014-07-18 | 2014-12-31 | 安庆中船柴油机有限公司 | A kind of Novel hydraulic valve |
| CN204878776U (en) * | 2015-07-10 | 2015-12-16 | 四川奇胜科技有限公司 | Hydraulic valve |
-
2015
- 2015-07-10 CN CN201510401155.0A patent/CN105065681A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007010395U1 (en) * | 2007-07-26 | 2007-09-27 | Kieselmann Gmbh | globe valve |
| US20100236632A1 (en) * | 2007-09-27 | 2010-09-23 | Kmatic Aps | Valve actuator system |
| CN203098881U (en) * | 2013-02-01 | 2013-07-31 | 罗艳芳 | Valve free from external leakage |
| CN203176506U (en) * | 2013-02-27 | 2013-09-04 | 江汉大学 | Manual operation and hydraulic pressure combined normally-open valve |
| CN204062086U (en) * | 2014-07-18 | 2014-12-31 | 安庆中船柴油机有限公司 | A kind of Novel hydraulic valve |
| CN204878776U (en) * | 2015-07-10 | 2015-12-16 | 四川奇胜科技有限公司 | Hydraulic valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927407A (en) * | 2019-03-05 | 2019-06-25 | 杭州科雷机电工业有限公司 | A kind of injecting type ink-suuplying pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |