CN208487238U

CN208487238U - A kind of novel electric change valve and steam generating device

Info

Publication number: CN208487238U
Application number: CN201821157450.1U
Authority: CN
Inventors: 赖东生; 曹国良
Original assignee: Guangdong Craftsman Industry Co Ltd
Current assignee: Guangdong Craftsman Industry Co Ltd
Priority date: 2018-07-20
Filing date: 2018-07-20
Publication date: 2019-02-12
Anticipated expiration: 2028-07-20

Abstract

The utility model relates to a kind of novel electric change valve and steam generating device, reversal valve includes valve body, and cavity is equipped in valve body, four runners communicated therewith are equipped with below cavity, valve outer surface is equipped with the spigot joint being respectively communicated with four runners；Reversing shaft is equipped in valve body, valve body is equipped with the driving device for driving reversing shaft to rotate；Commutator segment is connected with below reversing shaft, the surface of commutator segment face cavity lower part is equipped with the first diversion trench and the second diversion trench；When driving device drives reversing shaft to rotate forward, the first diversion trench runner adjacent with two is connected to, the runner connection adjacent with two other of the second diversion trench；When driving device drives reversing shaft reversion, the first diversion trench runner adjacent with two is connected to, and wherein a runner is the runner being connected to when reversing shaft rotates forward with the second diversion trench, the runner connection adjacent with two other of the second diversion trench.By driving reversing shaft to rotate and reverse, the flow direction of fluid can be switched over.

Description

A kind of novel electric change valve and steam generating device

Technical field

The utility model relates to reversal valve technical fields, more particularly to a kind of novel electric change valve and steam generation to set It is standby.

Background technique

Steam generator continuously inputs water, steam by the water inlet end to steam generator for generating steam The outlet side of generator can continuously generate required steam.But existing steam generator is there are a defect, It is exactly that after prolonged use, since water is a direction flowing in steam generator, the pipe inner wall of steam generator holds Easy fouling reduces heat transfer efficiency, and it is dirty that hiding is easy after fouling, so that the steam generated has bacterium, to the use band of steam Carry out hidden danger.

Utility model content

The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of novel electric change valve, energy Back flush is carried out to it applied on steam generator, prevents steam generator encrustation, steam generator is improved and passes The thermal efficiency guarantees the quality of the steam generated.

In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:

A kind of novel electric change valve, including valve body are provided, cavity is equipped in valve body, is equipped with and communicates therewith below cavity Four runners, valve outer surface is equipped with the spigot joint that is respectively communicated with four runners；Reversing shaft is equipped in valve body, on valve body Equipped with the driving device for driving reversing shaft to rotate；Commutator segment, commutator segment face cavity lower part are connected with below reversing shaft Surface be equipped with the first diversion trench and the second diversion trench；When driving device drives reversing shaft to rotate forward, the first diversion trench and two phases Adjacent runner connection, the runner connection adjacent with two other of the second diversion trench；When driving device drives reversing shaft reversion, first The diversion trench runner adjacent with two is connected to, and wherein a runner is the stream being connected to when reversing shaft rotates forward with the second diversion trench Road, the runner connection adjacent with two other of the second diversion trench.

First diversion trench and the second diversion trench are not through commutator segment；Commutator segment top is equipped with embedded hole, and reversing shaft is embedded at In embedded hole, the cross sectional dimensions on embedded hole top is greater than the cross sectional dimensions of embedded hole lower part.

In above scheme, when driving device drives reversing shaft rotation, reversing shaft drives commutator segment rotation, and commutator segment rotation makes The position for obtaining the first diversion trench and the second diversion trench changes, can be to fluid by driving reversing shaft to rotate and reverse Flow direction switches over, when by two opposite spigot joints in the electric change valve respectively with steam generator water inlet end and outlet When the connection of end, back flush can be carried out to steam generator, prevent steam generator encrustation, improve steam generator Heat transfer efficiency guarantees the quality of the steam generated.

Preferably, valve body includes the upper valve body being detachably connected and lower valve body；Cavity is set in lower valve body, and spigot joint is set In lower valve external surface；Reversing shaft and commutator segment are set in upper valve body, and driving device is set to above upper valve body, upper valve body upper surface Equipped with opening, opening is used for the drive connection of driving device and reversing shaft.Screw hole is set on upper valve body and lower valve body, in screw hole It is upper that screw is installed to realize the connection of upper valve body and lower valve body；The setting being detachably connected can not only simplify the electric change valve Manufacture, and make upper valve body and the intracorporal component of lower valve when something goes wrong, easy to repair or replacement.

Preferably, splitter is installed with below upper valve body, splitter is located at below commutator segment and contacts with commutator segment conflict, Through-hole there are four being set at the position of corresponding four runners of splitter.With respect to four runner positions of splitter are constant, the stream in runner Body realizes commutation by the through-hole on splitter, using the first diversion trench on commutator segment and the rotation on the second diversion trench；It changes The surface contacted to piece and splitter is smooth surface, and when this makes commutator segment relative to splitter rotation, the two contact surface is not It is easy to wear；The setting of splitter can increase the air-tightness of the electric change valve.

It is further preferred that being installed with gasket seal in cavity, four are equipped at the position of corresponding four runners of gasket seal A through-hole；Gasket seal is located at below splitter.Fluid in runner passes through the through-hole on gasket seal and splitter, using Commutation is realized in rotation on commutator segment on the first diversion trench and the second diversion trench；The setting of gasket seal can further increase the electricity The air-tightness of dynamic reversal valve.

Preferably, the size on reversing shaft top is greater than the size of reversing shaft lower part；Upper valve body inside upper surface is along opening edge Edge is equipped with the hollow shaft that upward valve inner lower surface extends, and through in hollow shaft, reversing shaft lower part is pierced by reversing shaft top Outside hollow shaft；Reversing shaft lower part and hollow outer shaft sleeve are equipped with spring, and the both ends of spring respectively with upper valve body inside upper surface and The contact of commutator segment upper surface.Setting can be such that commutator segment is pressed tightly against in cavity in this way, increase the air-tightness of the electric change valve.

It is further preferred that the lateral wall on reversing shaft top is equipped with groove, matched first sealing ring is arranged in groove； Or/and further include the second sealing ring at upper valve body and lower valve body link position.Setting can increase the electronic commutation in this way The air-tightness of valve.

Preferably, driving device is motor；It further include the coupling spindle with motor driven axis connection, the coupling spindle and commutation Axis is drivingly connected.Driving device is stepper motor, and coupling spindle top is equipped with embedded hole, and motor driving shaft is embedded in embedded hole, The cross sectional dimensions on embedded hole top is greater than the cross sectional dimensions of embedded hole lower part；Reversing shaft top is equipped with embedded hole, coupling spindle It is embedded in embedded hole, the cross sectional dimensions on embedded hole top is greater than the cross sectional dimensions of embedded hole lower part；The setting of coupling spindle Convenient for the rotation of motor driving shaft is transferred to reversing shaft.

It is further preferred that further including the position-limit mechanism for limiting motor drive shaft positive gyration and reverse angle.This Sample setting can prevent motor rotational angle transition, and then guarantee the switching of fluid flow direction.

It is further preferred that position-limit mechanism includes the protrusion positioned at coupling spindle lateral wall, and it is located at upper valve body upper surface The arc-shaped limit plate and arc notch that top is arranged around opening, arc-shaped limit plate and arc notch constitute circle, and protrusion can be in arc Rotation in v notch v.

Another purpose of the utility model, is to provide a kind of steam generating device, including steam generator and above-mentioned Electric change valve, steam generator water inlet end and outlet side are respectively connected to two opposite spigot joints in electric change valve In.

In addition two opposite spigot joints are respectively used into water and outlet；The first pipe of spigot joint connection for water inlet Road is connected between spigot joint and steam generator water inlet end with second pipe, spigot joint and steam generator outlet side it Between with third pipeline connect, for water outlet spigot joint connect the 4th pipeline.

Compared with prior art, the utility model has the beneficial effects that

A kind of novel electric change valve of the utility model, when driving device drives reversing shaft rotation, reversing shaft band is moved It is rotated to piece, commutator segment rotates so that the position of the first diversion trench and the second diversion trench changes, just by driving reversing shaft Turn and reversion, the flow direction of fluid can be switched over, when by two opposite spigot joints in the electric change valve respectively with When steam generator water inlet end is connected with outlet side, back flush can be carried out to steam generator, prevent steam generator Encrustation improves steam generator heat transfer efficiency, guarantees the quality of the steam generated.

Detailed description of the invention

Fig. 1 is a kind of explosive view of novel electric change valve of embodiment 1；

Fig. 2 is a kind of sectional view of novel electric change valve of embodiment 1；

Fig. 3 is the structural schematic diagram of upper valve body in embodiment 1；

Fig. 4 is the structural schematic diagram of lower valve body in embodiment 1；

Fig. 5 is the structural schematic diagram of another angle of lower valve body in embodiment 1；

Fig. 6 is the structural schematic diagram of commutator segment in embodiment 1；

Fig. 7 is the structural schematic diagram of another angle of commutator segment in embodiment 1；

Fig. 8 is the structural schematic diagram of coupling spindle in embodiment 1；

Fig. 9 is a kind of structural schematic diagram of steam generating device in embodiment 2；

Drawing reference numeral: 100 lower valve bodies；101 cavitys；102 runners；103 spigot joints；104 gasket seals；200 upper valve bodies； 201 reversing shafts；202 splitters；203 through-holes；204 commutator segments；205 first diversion trenches；206 second diversion trenches；207 hollow shafts； 208 springs；209 openings；210 second sealing rings；211 grooves；212 first sealing rings；300 driving devices；301 coupling spindles；302 Protrusion；303 arc-shaped limit plates；304 arc notch；700 electric change valves；800 steam generators；The water inlet of 801 steam generators End；802 steam generator outlet sides；803 first pipes；804 second pipes；805 third pipelines；806 the 4th pipelines.

Specific embodiment

The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.

The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.

Embodiment 1

The present embodiment provides a kind of novel electric change valves, as shown in Figures 1 to 8, including valve body, valve body is interior to be equipped with chamber Body 101 is equipped with four runners 102 communicated therewith below cavity 101, and valve outer surface is equipped with to be connected respectively with four runners 102 Logical spigot joint 103；Reversing shaft 201 is equipped in valve body, valve body is equipped with the driving device for driving reversing shaft 201 to rotate 300；The lower section of reversing shaft 201 is connected with commutator segment 204, and the surface of 204 face cavity of commutator segment, 101 lower part is equipped with the first water conservancy diversion Slot 205 and the second diversion trench 206；When driving device 300 drives reversing shaft 201 to rotate forward, the first diversion trench 205 and two it is adjacent Runner 102 is connected to, and the second diversion trench 206 runner 102 adjacent with two other is connected to；Driving device 300 drives reversing shaft 201 When reversion, the first diversion trench 205 runner 102 adjacent with two is connected to, and wherein a runner 102 is the rotating forward of reversing shaft 201 When the runner 102 that is connected to the second diversion trench 206, the second diversion trench 206 runner 102 adjacent with two other be connected to.

In the present embodiment, as shown in Figure 6 to 7, the first diversion trench 205 and the second diversion trench 206 are not through commutator segment 204；204 top of commutator segment is equipped with embedded hole, and reversing shaft 201 is embedded in embedded hole, and the cross sectional dimensions on embedded hole top is big Cross sectional dimensions in embedded hole lower part.

In use, driving device 300 drives reversing shaft 201 to rotate, reversing shaft 201 drives commutator segment 204 to rotate, commutator segment 204 rotations are so that the position of the first diversion trench 205 and the second diversion trench 206 changes；As shown in Figure 5, it is assumed that driving device After 300 rotate forward in place, the connection of the first diversion trench 205 is identified as 1 and 3 two runners 102, the second diversion trench 206 connection mark For 2 and 4 two runners 102, after driving device 300 inverts 90 ° in place, the connection of the first diversion trench 205 is identified as the two of 1 and 2 A runner 102, the connection of the second diversion trench 206 are identified as 3 and 4 two runners 102；At this point, being identified as 3 and 2 two runners The flow direction of fluid in 102 is switched, when will be identified as two runners 102 corresponding two of 3 and 2 in the electric change valve When spigot joint 103 is connect with steam generator water inlet end 801 and outlet side 802 respectively, steam generator 800 can be carried out Back flush prevents 800 inside pipe wall fouling of steam generator, improves 800 heat transfer efficiency of steam generator, guarantees the steam generated Quality.

Wherein, valve body includes the upper valve body 200 being detachably connected and lower valve body 100；Cavity 101 is set in lower valve body 100, Spigot joint 103 is set to 100 outer surface of lower valve body；Reversing shaft 201 and commutator segment 204 are set in upper valve body 200, driving device 300 are set to 200 top of upper valve body, and 200 upper surface of upper valve body is equipped with opening 209, and opening 209 is for driving device 300 and commutation The drive connection of axis 201.Screw hole is set on upper valve body 200 and lower valve body 100, screw is installed on screw hole to realize upper valve body 200 and lower valve body 100 connection；The setting being detachably connected can not only simplify the manufacture of the electric change valve, and make In valve body 200 and lower valve body 100 component when something goes wrong, it is easy to repair or replacement.

In addition, be installed with splitter 202 below upper valve body 200, splitter 202 be located at 204 lower section of commutator segment and with commutation Piece 204 contradicts contact, sets that there are four through-holes 203 at the position of corresponding four runners 102 of splitter 202.Splitter 202 opposite four Runner position 102 is set constant, and fluid in runner 102 is by the through-hole 203 on splitter 202, using on commutator segment 204 the Commutation is realized in rotation on one diversion trench 205 and the second diversion trench 206；The surface that commutator segment 204 and splitter 202 contact is Smooth surface, when this rotates commutator segment 204 relative to splitter 202, the two contact surface is not easy to wear；Splitter 202 is set Set the air-tightness that can increase the electric change valve.

Wherein, it is installed with gasket seal 104 in cavity 101, is set at the position of corresponding four runners 102 of gasket seal 104 There are four through-holes 203；Gasket seal 104 is located at 202 lower section of splitter.Fluid in runner by gasket seal 104 and shunts Through-hole 203 on piece 202 is changed using the first diversion trench 205 on commutator segment 204 and the realization of the rotation on the second diversion trench 206 To；Gasket 104 settings can further increase the air-tightness of the electric change valve.

In the present embodiment, as shown in Fig. 2, the size on 201 top of reversing shaft is greater than the size of 201 lower part of reversing shaft；Upper valve 200 inside upper surface of body is equipped with the hollow shaft 207 extended to 200 bottom inner surface of upper valve body, reversing shaft along 209 edges of opening Through in hollow shaft 207,201 lower part of reversing shaft is pierced by outside hollow shaft 207 on 201 tops；201 lower part of reversing shaft and hollow shaft Be arranged with spring 208 outside 207, and the both ends of spring 208 respectively with 204 upper surface of 200 inside upper surface of upper valve body and commutator segment Contact.Setting can be such that commutator segment 204 is pressed tightly against in cavity 101 in this way, increase the air-tightness of the electric change valve.

In addition, the lateral wall on 201 top of reversing shaft is equipped with groove 211, matched first sealing ring is arranged in groove 211 212；Or/and further include the second sealing ring 210 at 100 link position of upper valve body 200 and lower valve body.Setting can increase in this way Add the air-tightness of the electric change valve.

Wherein, driving device 300 is motor；It further include the coupling spindle 301 with motor driven axis connection, the coupling spindle 301 are drivingly connected with reversing shaft 201.Driving device 300 is stepper motor, and 301 top of coupling spindle is equipped with embedded hole, motor driven Axis is embedded in embedded hole, and the cross sectional dimensions on embedded hole top is greater than the cross sectional dimensions of embedded hole lower part；Reversing shaft top Equipped with embedded hole, coupling spindle is embedded in embedded hole, and the cross sectional dimensions on embedded hole top is greater than the cross section of embedded hole lower part Size；The setting of coupling spindle 301 is convenient for the rotation of motor driving shaft being transferred to reversing shaft 201.

In addition, further including the position-limit mechanism for limiting motor drive shaft positive gyration and reverse angle.Energy is set in this way Motor rotational angle transition is prevented, and then guarantees the switching of fluid flow direction.

In the present embodiment, position-limit mechanism includes the protrusion 302 positioned at 301 lateral wall of coupling spindle, and is located on upper valve body 200 The arc-shaped limit plate 303 and arc notch 304 that surface is arranged around opening 209, arc-shaped limit plate 303 and arc notch 304 constitute circle, and protrusion 302 can rotate in arc notch 304.

Embodiment 2

A kind of steam generating device is present embodiments provided, as shown in figure 9, including steam generator 800 and above-mentioned electricity Dynamic reversal valve 700, steam generator water inlet end 801 and outlet side 802 be respectively connected in electric change valve 700 two it is opposite In spigot joint 103.

As shown in figure 9, in addition two opposite spigot joints 103 are respectively used into water and outlet；Intubation for water inlet Connector 103 connects first pipe 803, is connected between spigot joint 103 and steam generator water inlet end 801 with second pipe 804, It is connected between spigot joint 103 and steam generator outlet side 802 with third pipeline 805, the spigot joint 103 for water outlet connects Connect the 4th pipeline 806.

Before switching, fluid flows successively through first pipe 803, intakes for the spigot joint 103 of water inlet, with steam generator Spigot joint 103, second pipe 804, the steam generator water inlet end 801, steam generator outlet side 802, the of 801 connection of end Three pipelines 805, the spigot joint 103 being connect with steam generator outlet side 802, for the spigot joint 103 of water outlet and the 4th Pipeline 806；After switching, fluid flows successively through first pipe 803, spigot joint 103 and steam generator outlet for water inlet Spigot joint 103, third pipeline 805, steam generator outlet side 802, the steam generator water inlet end 801, the of 802 connection of end Spigot joint 103 that two pipelines 804 are connect with steam generator water inlet end 801 is managed for the spigot joint 103 of water outlet and the 4th Road 806.

Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims

1. a kind of novel electric change valve, which is characterized in that including valve body, be equipped with cavity (101) in valve body, cavity (101) Lower section is equipped with four runners (102) communicated therewith, and valve outer surface is equipped with the intubation being respectively communicated with four runners (102) and connects Head (103)；Reversing shaft (201) are equipped in valve body, valve body is equipped with the driving device for driving reversing shaft (201) to rotate (300)；It is connected with below reversing shaft (201) commutator segment (204), the surface of commutator segment (204) face cavity (101) lower part is set There are the first diversion trench (205) and the second diversion trench (206)；When driving device (300) drives reversing shaft (201) to rotate forward, first is led Chute (205) runner (102) adjacent with two is connected to, and the second diversion trench (206) runner (102) adjacent with two other is even It is logical；When driving device (300) drives reversing shaft (201) reversion, the first diversion trench (205) runner (102) adjacent with two is even It is logical, and wherein a runner (102) is the runner (102) being connected to when reversing shaft (201) rotate forward with the second diversion trench (206), the Two diversion trenches (206) runner (102) connection adjacent with two other.

2. the novel electric change valve of one kind according to claim 1, which is characterized in that valve body includes being detachably connected Upper valve body (200) and lower valve body (100)；Cavity (101) is set in lower valve body (100), and spigot joint (103) is set to lower valve body (100) outer surface；Reversing shaft (201) and commutator segment (204) are set in upper valve body (200), and driving device (300) is set to upper valve body (200) top, upper valve body (200) upper surface are equipped with opening (209), and opening (209) is used for driving device (300) and reversing shaft (201) drive connection.

3. the novel electric change valve of one kind according to claim 2, which is characterized in that fixed below upper valve body (200) Have splitter (202), splitter (202), which is located at below commutator segment (204) and contradicts with commutator segment (204), to be contacted, splitter (202) there are four being set at the position of corresponding four runners (102) through-hole (203).

4. the novel electric change valve of one kind according to claim 3, which is characterized in that be installed in cavity (101) close Gasket (104), sets that there are four through-hole (203) at the position of corresponding four runners (102) of gasket seal (104)；Gasket seal (104) it is located at below splitter (202).

5. the novel electric change valve of one kind according to claim 2, which is characterized in that the ruler on reversing shaft (201) top The very little size greater than reversing shaft (201) lower part；Upper valve body (200) inside upper surface is equipped with along opening (209) edge to upper valve body (200) hollow shaft (207) that bottom inner surface extends, reversing shaft (201) top is interior through hollow shaft (207), reversing shaft (201) lower part is pierced by hollow shaft (207) outside；It is arranged with spring (208) outside reversing shaft (201) lower part and hollow shaft (207), and bullet The both ends of spring (208) are contacted with upper valve body (200) inside upper surface and commutator segment (204) upper surface respectively.

6. the novel electric change valve of one kind according to claim 5, which is characterized in that outside reversing shaft (201) top Side wall is equipped with groove (211), is arranged with matched first sealing ring (212) in groove (211)；Or/and further include be located at upper valve The second sealing ring (210) at body (200) and lower valve body (100) link position.

7. the novel electric change valve of one kind according to claim 2, which is characterized in that driving device (300) is motor； It further include being drivingly connected with the coupling spindle of motor driven axis connection (301), the coupling spindle (301) and reversing shaft (201).

8. the novel electric change valve of one kind according to claim 7, which is characterized in that further include being driven for limiting motor The position-limit mechanism of moving axis positive gyration and reverse angle.

9. the novel electric change valve of one kind according to claim 8, which is characterized in that position-limit mechanism includes being located at connection The protrusion (302) of axis (301) lateral wall, and it is located at the arc limit above upper valve body (200) upper surface around opening (209) setting Position plate (303) and arc notch (304), arc-shaped limit plate (303) and arc notch (304) constitute circle, and raised (302) can be in arc Rotation in v notch v (304).

10. a kind of steam generating device, which is characterized in that including described in steam generator (800) and claim any one of 1-9 Electric change valve (700), steam generator water inlet end (801) and outlet side (802) are respectively connected to electric change valve (700) In in two opposite spigot joints (103).