CN209213138U - Reversal valve - Google Patents

Abstract

A kind of reversal valve provided by the utility model, including valve body and electromagnetic control assembly；Buck mouth, sour water mouth and two water inlets are provided on the valve body；There are two mutually independent cavitys for setting in the valve body；The upper and lower ends of the cavity have topped hole and bottom end hole；Two water inlets are connected to two cavitys respectively；The sour water mouth is connected to the bottom end hole of two cavitys respectively；The buck mouth is connected to the topped hole of two cavitys respectively；The electromagnetic control assembly includes two electromagnetic pistons；Two electromagnetic pistons are slidably mounted on respectively in two cavitys；The electromagnetic piston, topped hole and bottom end hole are located on same vertical line；The electromagnetic piston to be opened and closed topped hole and bottom end hole respectively.Reversal valve provided by the utility model, convenient for controlling the opening and closing of buck mouth and sour water mouth respectively, structure is simple, small volume.

Description

Reversal valve

Technical field

The utility model relates to solenoid valve markets, and in particular to a kind of reversal valve.

Background technique

Traditional direct-acting electromagnetic valve, the guide sleeve of valve body are provided with electromagnetic coil outside, cored and piston are arranged in guide sleeve, Piston nose is connected with piston cap, which corresponds to valve seat, and compressed spring is provided between iron core and piston.Electromagnetic coil is not When energization, under compressed spring effect, piston cap closed valve seat blocks the flow path between inlet and outlet；When electromagnetic coil is powered, Piston is pulled on iron core by iron core, and piston cap is lifted off a seat, and the flow path between inlet and outlet is open-minded.This direct driving type electromagnetic The performance of valve is that an electromagnetic control assembly is opened and closed a valve.For there is multichannel in solenoid valve its valve body and need The case where being opened and closed valve respectively, it is desirable to multiple electromagnetic control assemblies.It is directly contributing in this way as a result, at high cost, construction Complicated and duty is big.When the opening and closing of these valves is mutual suitching type, i.e. a valve opening, another valve is closed, then Also it can increase complicated factor in terms of the mechanical action and in terms of circuit design, failure rate also will increase.

Utility model content

For the defects in the prior art, reversal valve provided by the utility model, convenient for controlling buck mouth and sour water respectively The opening and closing of mouth, structure is simple, small volume.

A kind of reversal valve provided by the utility model, including valve body and electromagnetic control assembly；Buck is provided on the valve body Mouth, sour water mouth and two water inlets；There are two mutually independent cavitys for setting in the valve body；The upper and lower ends of the cavity Have topped hole and bottom end hole；Two water inlets are connected to two cavitys respectively；The sour water mouth respectively with two The bottom end hole of cavity is connected to；The buck mouth is connected to the topped hole of two cavitys respectively；The electromagnetic control assembly includes two A electromagnetic piston；Two electromagnetic pistons are slidably mounted on respectively in two cavitys；The electromagnetic piston, topped hole and Bottom end hole is located on same vertical line；The electromagnetic piston to be opened and closed topped hole and bottom end hole respectively.

Optionally, the electromagnetic piston includes piston body, return unit and sleeve；The sleeve is mounted in cavity；Institute It states and is provided with through hole on sleeve；The through hole runs through sleeve along the axis of sleeve；The bush outer sleeve is formed on the piston body Closed chamber；The piston body is slidably connected with sleeve, and the upper and lower ends of the piston body extend along the axis of sleeve respectively, stretch Through hole out；Under normality in piston body insertion bottom end hole, closed bottom end hole；Boss is provided on the piston body；It is described Electromagnet is mounted at the top of the top of boss and closed chamber；The electromagnet is to drive piston body upward sliding；It is described Return unit is to make piston body return to normal.

Optionally, the return unit is extension spring.

Optionally, the upper and lower ends of the electromagnetic piston are mounted on piston cap；Axis of the piston cap along electromagnetic piston Line direction convex forms arc boss；The arc boss can be inserted into topped hole or bottom end hole.

Optionally, the piston cap has elasticity.

As shown from the above technical solution, the utility model has the beneficial effects that a kind of reversal valve provided by the utility model, packet Include valve body and electromagnetic control assembly；Buck mouth, sour water mouth and two water inlets are provided on the valve body；Setting in the valve body There are two mutually independent cavitys；The upper and lower ends of the cavity have topped hole and bottom end hole；Two water inlets It is connected to respectively with two cavitys；The sour water mouth is connected to the bottom end hole of two cavitys respectively；The buck mouth respectively with two The topped hole of cavity is connected to；The electromagnetic control assembly includes two electromagnetic pistons；Two electromagnetic pistons difference are slidably Be mounted in two cavitys；The electromagnetic piston, topped hole and bottom end hole are located on same vertical line；The electromagnetic piston is used To be opened and closed topped hole and bottom end hole respectively.Reversal valve provided by the utility model, convenient for controlling buck mouth and sour water mouth respectively Opening and closing, structure is simple, small volume.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios It draws.

Fig. 1 is the main view of the utility model；

Fig. 2 is enlarged drawing at A in Fig. 1；

Fig. 3 is the schematic perspective view of the utility model.

Appended drawing reference:

1- valve body, 2- electromagnetic piston, 11- buck mouth, 12- sour water mouth, 13- water inlet, 14- cavity, 21- piston body, 22- Return unit, 23- sleeve, 141- topped hole, the bottom end 142- hole, 211- boss, 212- piston cap, 231- through hole, 232- are closed Chamber, 2121- arc boss, 2321- electromagnet.

Specific embodiment

It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation Novel protection scope.

Please refer to Fig. 1-3, a kind of reversal valve provided in this embodiment, including valve body 1 and electromagnetic control assembly；The valve body Buck mouth 11, sour water mouth 12 and two water inlets 13 are provided on 1；There are two mutually independent cavitys for setting in the valve body 1 14；The upper and lower ends of the cavity 14 have topped hole 141 and bottom end hole 142；Two water inlets 13 are respectively with two A cavity 14 is connected to；The sour water mouth 12 is connected to the bottom end hole 142 of two cavitys 14 respectively；The buck mouth 11 is respectively with two The topped hole 141 of a cavity 14 is connected to；The electromagnetic control assembly includes two electromagnetic pistons 2；Two electromagnetic pistons 2 divide It is not slidably mounted in two cavitys 14；The electromagnetic piston 2, topped hole 141 and bottom end hole 142 are located at same vertical line On；The electromagnetic piston 2 to be opened and closed topped hole 141 and bottom end hole 142 respectively.

Under original state, closed bottom end hole 142 in the bottom insertion bottom end hole 142 of the electromagnetic piston 2 blocks cavity 14 With the flow channel between sour water mouth 12；The buck mouth 11 is connected to cavity 14；Liquid enters along two water inlets 13 respectively It is flowed out into two cavitys 14, then through buck mouth 11.When liquid being needed only to flow out along sour water mouth 12；The electromagnetic piston 2 to Upper sliding, the electromagnetic piston 2 is separated with bottom end hole 142 opens bottom end hole 142, and the sour water mouth 12 is connected to cavity 14；Together Shi Suoshu electromagnetic piston 2 is inserted into closed topped hole 141 in topped hole 141, blocks the flowing between cavity 14 and buck mouth 11 logical Road；Liquid enters in two cavitys 14 along two water inlets 13 respectively, then is flowed out by sour water mouth 12.When needing also, body is simultaneously When being flowed out along buck mouth 11 and sour water mouth 12；Two cavitys 14 are respectively designated as the first cavity and the second cavity；Two institutes It states electromagnetic piston 2 and is respectively designated as the first electromagnetic piston and the second electromagnetic piston；First electromagnetic piston is inserted into bottom end hole 142 Interior closed bottom end hole 142 blocks the flow channel between the first cavity and sour water mouth 12, open the first cavity and buck mouth 11 it Between flow channel；Closed topped hole 141 in the topped hole 141 of second electromagnetic piston insertion simultaneously, block the second cavity with Flow channel between buck mouth 11 opens the flow channel between the first cavity and sour water mouth 12；Enter the first cavity at this time Interior liquid is flowed out along buck mouth 11, and the liquid into the second cavity is flowed out along sour water mouth 12.Commutation provided by the utility model Valve, convenient for controlling the opening and closing of buck mouth and sour water mouth respectively, structure is simple, small volume.

As further improvement to above-mentioned technical proposal, the electromagnetic piston 2 include piston body 21, return unit 22 and Sleeve 23；The sleeve 23 is mounted in cavity 14；Through hole 231 is provided on the sleeve 23；The through hole 231 is along sleeve Axis run through sleeve；23 housing of sleeve forms closed chamber 232 on piston body 21；The piston body 21 and sleeve 23 are sliding Dynamic connection, and the upper and lower ends of the piston body extend along the axis of sleeve respectively, project through hole 231；The work under normality Cock body 21 is inserted into bottom end hole 142, closed bottom end hole 142；Boss 211 is provided on the piston body 21；The boss 211 Top and the top of closed chamber 232 are mounted on electromagnet 2321；The electromagnet 2321 is to drive piston body 21 to slide up It is dynamic；The return unit 22 is to make piston body 21 return to normal.

Under original state, the piston body 21 is inserted into bottom end hole 142, closed bottom end hole 142, blocks cavity 14 and sour water Flow channel between mouth 12；Open the flow channel between cavity 14 and buck mouth 11.When needing closed topped hole 141, It is powered to electromagnet 2321；It is close in 21 upward sliding of the piston body insertion topped hole 141 under the action of electromagnet 2321 Topped hole 141 is closed, the flow channel between cavity 14 and buck mouth 11 is blocked；Open the flowing between cavity 14 and sour water mouth 12 Channel.It when needing to restPose, is powered off to electromagnet 2321, return unit 22 makes piston body 21 return to normal.

As further improvement to above-mentioned technical proposal, the return unit 22 is extension spring.Structure is simple, convenient for dimension Shield.

As further improvement to above-mentioned technical proposal, the upper and lower ends of the electromagnetic piston 2 are mounted on piston cap 212；The piston cap 212 forms arc boss 2121 along the axis direction convex of electromagnetic piston 2；The arc boss In 2121 pluggable topped holes or bottom end hole.The inner sidewall in the topped hole and bottom end hole to convex, forms curved channel.Institute It states arc boss 2121 to be inserted into curved channel, the piston cap 212 contradicts at the edge of curved channel.Convenient for closed topped hole Or bottom end hole.

As further improvement to above-mentioned technical proposal, the piston cap 212 has elasticity.Convenient for closed topped hole or Bottom end hole.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.

Claims (5)

1. a kind of reversal valve, it is characterised in that: including valve body (1) and electromagnetic control assembly；Buck mouth is provided on the valve body (1) (11), sour water mouth (12) and two water inlets (13)；There are two mutually independent cavity (14) for setting in the valve body (1)； The upper and lower ends of the cavity (14) have topped hole (141) and bottom end hole (142)；Two water inlets (13) are respectively It is connected to two cavitys (14)；The sour water mouth (12) is connected to the bottom end hole (142) of two cavitys (14) respectively；The buck Mouth (11) is connected to the topped hole (141) of two cavitys (14) respectively；The electromagnetic control assembly includes two electromagnetic pistons (2)；Two electromagnetic pistons (2) are slidably mounted on respectively in two cavitys (14)；The electromagnetic piston (2), top Hole (141) and bottom end hole (142) are located on same vertical line；The electromagnetic piston (2) to be opened and closed respectively topped hole (141) and Bottom end hole (142).

2. reversal valve according to claim 1, it is characterised in that: the electromagnetic piston (2) includes piston body (21), resets Part (22) and sleeve (23)；The sleeve (23) is mounted in cavity (14)；Through hole is provided on the sleeve (23) (231)；The through hole (231) runs through sleeve along the axis of sleeve；Sleeve (23) housing is formed on piston body (21) Closed chamber (232)；The piston body (21) is slidably connected with sleeve (23), and the upper and lower ends of the piston body are respectively along sleeve Axis extend, project through hole (231)；Under normality in piston body (21) insertion bottom end hole (142), closed bottom end hole (142)；Boss (211) are provided on the piston body (21)；The top of the boss (211) and the top of closed chamber (232) It is mounted on electromagnet (2321)；The electromagnet (2321) is to drive piston body (21) upward sliding；The return unit (22) to make piston body (21) return to normal.

3. reversal valve according to claim 2, it is characterised in that: the return unit (22) is extension spring.

4. reversal valve according to claim 1, it is characterised in that: the upper and lower ends of the electromagnetic piston (2) are mounted on Piston cap (212)；The piston cap (212) is formed arc boss (2121) along the axis direction convex of electromagnetic piston (2)； The arc boss (2121) can be inserted into topped hole or bottom end hole.

5. reversal valve according to claim 4, it is characterised in that: the piston cap (212) has elasticity.