CN206770711U - A kind of dynamoelectric water valve and its actuator - Google Patents

Abstract

The utility model discloses a kind of dynamoelectric water valve and its actuator, wherein, the actuator includes housing and motor, transmission mechanism located at enclosure interior, the motor are connected by lead with external power source, the transmission mechanism is connected with the motor, and the housing includes the first housing, the second housing；It is tightly connected between first housing and second housing, between the lead and the housing, between the transmission mechanism and the housing.The utility model provides the actuator of dynamoelectric water valve, is tightly connected between its first housing and the second housing, between lead and housing, between transmission mechanism and housing, and the air of enclosure interior and external world's communication are less；And enclosure interior air is less, even if being condensed in air conditioner refrigerating, caused moisture is also less, and the influence to motor is smaller, the risk that can effectively reduce motor internal rust corrosion or even burn, so as to extend the service life of motor.

Description

A kind of dynamoelectric water valve and its actuator

Technical field

It the utility model is related to fluid control technology field, more particularly to a kind of dynamoelectric water valve and its actuator.

Background technology

Dynamoelectric water valve is generally made up of valve body and actuator two parts, and its valve body is installed on the fan coil of central air-conditioning In, actuator is used for the keying of application valve body, and then controls the break-make of cold (heat) water inside fan coil.

Actuator includes housing and the motor located at enclosure interior, and specifically, the housing can include upper shell with Housing, upper shell, lower house can be prepared by hollow out metallic plate, and then are attached using screw；Motor by lead with External power source is connected, and motor output shaft is connected by transmission mechanism with valve body, correspondingly, on housing need to set lead mounting hole, Transmission mechanism mounting hole；In addition, actuator is additionally provided with handle, when being debugged at the beginning of power failure or product, to be carried out to transmission mechanism Regulation manually, the handle is by inserting enclosure interior located at the handle installing hole of housing and being connected with transmission mechanism.In use, Motor can pass through the gap between the hollow out on housing, upper shell and lower house, each mounting hole and part to be installed (lead, biography Motivation structure, handle etc.) between gap and extraneous contact air.

When central air-conditioning is in refrigerating state, low-temperature cooling water is passed through in fan coil, make dynamoelectric water valve valve body, The temperature of actuator reduces, extraneous air easily in actuator shell inner surface condensation, produce moisture, and due in housing, Outer contact air, extraneous air can continuously enter enclosure interior and condense so that the moisture of enclosure interior increases, And motor is flowed into, make motor internal rust corrosion or even burn, cause dynamoelectric water valve function to be lost.

Therefore, how a kind of dynamoelectric water valve is provided, to improve the housing seal performance of its actuator, reduce outside air with The circulation of enclosure interior, so reduce enclosure interior because of condensation and caused by moisture, reduce motor internal rust corrosion even burn The risk ruined, it is still those skilled in the art's technical problem urgently to be resolved hurrily.

Utility model content

The purpose of this utility model is to provide a kind of dynamoelectric water valve and its actuator, wherein, the housing seal of the actuator Performance greatly improves, and can reduce the circulation of outside air and enclosure interior, so reduce enclosure interior because of condensation and caused by water Point, with the risk for reducing motor internal rust corrosion or even burning.

In order to solve the above technical problems, the utility model provides a kind of actuator of dynamoelectric water valve, including housing and it is located at Motor, the transmission mechanism of enclosure interior, the motor are connected by lead with external power source, the transmission mechanism and the motor It is connected, the housing includes the first housing, the second housing；Between first housing and second housing, the lead with It is tightly connected between the housing, between the transmission mechanism and the housing.

The utility model provides the actuator of dynamoelectric water valve, between its first housing and the second housing, lead and housing Between, be tightly connected between transmission mechanism and housing, the air of enclosure interior and it is extraneous link up it is less；And enclosure interior air Again less, even if being condensed in air conditioner refrigerating, caused moisture is also less, and the influence to motor is smaller, can effectively drop The risk that low motor internal rust corrosion even burns, so as to extend the service life of motor.

Alternatively, welded seal is passed through between first housing, second housing.

Alternatively, the housing is provided with fairlead, and the lead can be connected through the fairlead with external power source, institute State and sealed between lead and the fairlead by sealing ring.

Alternatively, the hole wall of the fairlead has outstanding guide cylinder, and the lead can be from the guide cylinder Middle part passes through, and the sealing ring is socketed on the lead, and is offseted with the outer end of the guide cylinder；Also include compressing member, it is described Compressing member is connected to the guide cylinder, and can compress the sealing ring, to seal the connection of the lead and the guide cylinder Place.

Alternatively, the outer end of the internal perisporium of the guide cylinder has seal groove, and the sealing ring is installed on the seal groove.

Alternatively, the compressing member includes and tight cap, and described and tight cap includes and tight cylinder and located at this and tight cylinder one end Cover plate, the middle part of the cover plate, which has, is available for the through hole that the lead passes through；Described and tight cylinder can overcoat, be fixed on described lead To cylinder, and the cover plate is caused to compress the sealing ring.

Alternatively, described and tight cylinder is threadedly connected to the periphery wall of the guide cylinder.

Alternatively, the transmission mechanism includes driver plate and connecting seat, and one end of the driver plate is defeated with the motor Shaft is connected, and the other end is connected with the connecting seat, the connecting seat through the housing and with the valve body of the dynamoelectric water valve It is connected；Sealed between the connecting seat and the housing by sealing ring.

Alternatively, in addition to handle, the handle are located at the outside of the housing, and are connected with the connecting seat.

The utility model also provides a kind of dynamoelectric water valve, including valve body and actuator, and the actuator is above-mentioned electronic The actuator of water valve, one end of the transmission mechanism are connected with the motor, and the other end is connected with the valve body.

Because the actuator of above-mentioned dynamoelectric water valve has possessed technique effect as above, then, the electricity with the actuator Dynamic water valve is also when possessing similar technique effect.

Brief description of the drawings

Fig. 1 is provided a kind of structural representation of embodiment of the actuator of dynamoelectric water valve by the utility model；

Fig. 2 is Fig. 1 partial sectional view；

Fig. 3 is Fig. 1 sectional view；

Fig. 4 is housing in Fig. 3 provided with the partial enlarged drawing at fairlead, guide cylinder；

Fig. 5 is provided a kind of structural representation of embodiment of dynamoelectric water valve by the utility model.

Description of reference numerals in Fig. 1-5 is as follows：

1 valve body, 2 actuators, 21 housings, 211 first housings, 212 second housings, 213 fairleads, 214 guide cylinders, 214a Seal groove, 22 motors, 221 output shafts, 222 screws, 23 leads, 24 sealing rings, 25 and tight cap, 251 and tight cylinder, 252 cover plates, 26 Driver plate, 27 connecting seats, 271 torsion springs, 28 handles.

Embodiment

In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and have The utility model is described in further detail for body embodiment.

The word such as " first " specifically described herein, " second " is for only for ease of the same or like two or more of specification configuration Structure or part, be not offered as certain particular determination to order.

Fig. 1-4 is refer to, Fig. 1 is provided a kind of embodiment of the actuator of dynamoelectric water valve by the utility model Structural representation, Fig. 2 are Fig. 1 partial sectional view, and Fig. 3 is Fig. 1 sectional view, and Fig. 4 is that housing is provided with fairlead, led in Fig. 3 To the partial enlarged drawing at cylinder.

As Figure 1-3, the utility model provides a kind of actuator of dynamoelectric water valve, including housing 21 and located at housing 21 Motor 22, the transmission mechanism of inside, motor 22 can be connected by lead 23 with external power source, one end of transmission mechanism and motor 22 are connected, and the other end is connected with the valve body 1 of dynamoelectric water valve, and housing 21 includes the first housing 211, the second housing 212.

Between the housing 212 of said first shell 211 and second, between lead 23 and housing 21, transmission mechanism and housing 21 Between be tightly connected, air inside housing 21 and extraneous connection can be reduced；And the inside air of of housing 21 itself compared with Few, even if being condensed in air conditioner refrigerating, caused moisture is also less, will not cause excessive influence to motor 22, can have Effect reduces the risk that the internal corrosion of motor 22 is got rusty or even burnt, so as to extend the service life of motor 22.

Said first shell 211, the second housing 212 can be prepared by metal material, can also be plastic material system It is standby, or, can also one be metal material, another one is plastic material；And hollow out is not provided with the two.First housing 211st, can be sealed between the second housing 212 by welding, to ensure the sealed connection of the two joint.

Specifically, ultrasonic bonding can be used between the first housing 211, the second housing 212, than common welding Speech, ultrasonic bonding have the advantages that speed of welding is fast, weld strength is high, good airproof performance；In welding, helped without using any Solder flux, gas or solder etc., welding cost is relatively low, and welding process cleans, be pollution-free, and is not easy that housing 21 is caused to damage.

It can also use gasket seal etc. to be sealed between said first shell 211, the second housing 212, and then use spiral shell The connected modes such as nail, bolt or clamping assemble to above-mentioned two housings.It is but close comparatively, welded structure is more simple Envelope property is more preferable, and is not in gasket seal aging, the situation of sealing property reduction during long-term use；And the latter is then Easily the first housing 211, the second housing 212 can be dismantled, in order to repair, change.

It should be appreciated that said first shell 211, the split-type design of the second housing 212, primarily to being easy to motor 22nd, the installation inside housing 21 such as transmission mechanism, so, two split type housings can be designed as small one and large one, and one is used In taking up the parts such as above-mentioned motor 22, transmission mechanism, another one then can be used for covering sealing.

Specific to the present embodiment, the inside of the second housing 212 can be set larger space, form installation cavity, and then can incite somebody to action Motor 22 is fixed on the bottom of installation cavity by screw 222 etc., and lead 23, transmission mechanism etc. may pass through second housing 212 It is connected with external equipment, the first housing 211 is covered in the top of the second housing 212, with to this equivalent to the lid of the installation cavity Sealing is formed on the top of installation cavity.

As shown in Figure 3 and Figure 4, above-mentioned housing 21 can be provided with fairlead 213, and lead 23 can pass through the fairlead 213 It is connected with external power source, sealing ring 24 can be provided between lead 23 and fairlead 213, ensures sealing therebetween Energy.

In detail, the hole wall of the fairlead 213 can have outstanding guide cylinder 214, and lead 23 being capable of self- steering The middle part of cylinder 214 passes through, so as to have larger contact length, area between lead 23 and guide cylinder 214, is more beneficial for ensureing The stability that lead 23 connects.When producing installation, the external diameter of the middle through-hole and lead 23 of guide cylinder 214 can be made to match, And then reduce sealing difficulty therebetween.

Sealing ring 24 can be externally fitted to lead 23, and be offseted with the outer end of guide cylinder 214, and above-mentioned " outer end " refers to guide cylinder 214 away from one end inside housing 21；Further, compressing member can also be included, the compressing member can be connected to guide cylinder 214 Outer end, and sealing ring 24 can be compressed so that the gap that sealing ring 24 can be between tight closure lead 23 and guide cylinder 214, So as to seal junction therebetween.

Still using Fig. 4 as visual angle, the outer end of the internal perisporium of guide cylinder 214 can have the seal groove 214a of annular, sealing ring 24 can be installed on seal groove 214a, and in the compaction process of compressing member, seal groove 214a can be carried out to sealing ring 24 It is oriented to, positioning, avoids the sideslip of sealing ring 24, be more beneficial for blocking the gap between lead 23, guide cylinder 214.

During installation, lead 23 first can be passed through into guide cylinder 214, the sealing ring 24 that then overcoat is adapted on lead 23, And the sealing ring 24 is pushed into seal groove 214a, and then the compressing member is installed on guide cylinder 214, to compress sealing ring 24.

Above-mentioned compressing member can include and tight cap 25, and tight cap 25 can include and tight cylinder 251 and located at this and tight cylinder 251 The cover plate 252 of one end, the middle part of cover plate 252 can have the through hole passed through for lead 23.Should in use, lead 23 can be passed through Through hole, and then and the tight overcoat of cylinder 251, guide cylinder 214 will be fixed on, and cause cover plate 252 to compress sealing ring 24.

And the internal perisporium of tight cylinder 251 can set internal thread segment, the periphery wall of guide cylinder 214 can set match it is outer Thread segment, and then this and tight cap 25 can be threadedly connected to the periphery wall of guide cylinder 214, in order to dismount.

And other connected modes tightly can also be used between cylinder 251, guide cylinder 214, for example, the external diameter of guide cylinder 214 The internal diameter of simultaneously tight cylinder 251 can also be slightly larger than, and then simultaneously will be fixed on guide cylinder 214 in an interference fit by tight cylinder 251；Or Person, also hole can be threaded on guide cylinder 214 and tight cylinder 251, and then the two is fixed using screw or bolt etc.. Regardless of whether using which kind of connected mode, as long as above-mentioned using effect can be ensured.

For above-mentioned each scheme, can also it enter traveling one to the sealing structure between the transmission mechanism and housing 21 of actuator 2 The description of step.

Please continue to refer to Fig. 3, above-mentioned transmission mechanism can include driver plate 26 and connecting seat 27, and one end of driver plate 26 can It is connected with the output shaft 221 with motor 22, the other end can be connected with connecting seat 27, and connecting seat 27 may pass through housing 21 and valve body 1 It is connected, and connecting seat 27 can be with overcoat torsion spring 271, to transmit moment of torsion.

It can be sealed between above-mentioned connecting seat 27 and housing 21 by sealing ring 24, specifically, the second housing 212 Bottom can have the mounting cylinder to extend internally, and the periphery of connecting seat 27 can be provided with annular groove, and above-mentioned sealing ring 24 is mountable to this In annular groove；When connecting seat 27 is plugged in the mounting cylinder, the sealing ring 24 in annular groove is oppressed by mounting cylinder inwall, can be close to Between mounting cylinder internal perisporium, the periphery wall of connecting seat 27, to ensure sealed connection therebetween.It is appreciated that above-mentioned annular groove The internal perisporium of mounting cylinder can be located at, above-mentioned mounting cylinder can also extend to the outside (i.e. the bottom of housing 21) of housing 21, Above-mentioned technique effect can be achieved, but to be docked in view of the bottom of actuator 2 with valve body 1, to avoid producing interference with valve body 1, Above-mentioned mounting cylinder is preferably disposed on the inside of housing 21.

Above-mentioned actuator 2 can also include handle 28, and the handle 28 can be located at the outside of housing 21, and with connecting seat 27 It is connected, when powering off or initially debugging, to control the keying of the valve body 1 of dynamoelectric water valve manually by the handle 28.Than existing There is technology, because handle 28 from the middle part of housing 21 without passing through, the mounting hole of the handle 28 also need not be just set, more on housing 21 Be advantageous to ensure the sealing property of housing 21.

Fig. 5 is refer to, Fig. 5 is provided a kind of structural representation of embodiment of dynamoelectric water valve by the utility model Figure.

As shown in figure 5, the utility model also provides a kind of dynamoelectric water valve, including valve body 1 and actuator 2, actuator 2 is upper State the actuator 2 of the dynamoelectric water valve in various embodiments.

Because the actuator 2 of above-mentioned dynamoelectric water valve has possessed technique effect as above, then, there is the actuator 2 Dynamoelectric water valve will not be described here also when possessing similar technique effect.

It the above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of the art For member, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications Also it should be regarded as the scope of protection of the utility model.

Claims (10)

1. a kind of actuator of dynamoelectric water valve, including housing (21) and motor (22), transmission mechanism located at housing (21) inside, The motor (22) is connected by lead (23) with external power source, and the transmission mechanism is connected with the motor (22), the shell Body (21) includes the first housing (211), the second housing (212), it is characterised in that

Between first housing (211) and second housing (212), between the lead (23) and the housing (21), It is tightly connected between the transmission mechanism and the housing (21).

2. the actuator of dynamoelectric water valve according to claim 1, it is characterised in that first housing (211), described Two housings pass through welded seal between (212).

3. the actuator of dynamoelectric water valve according to claim 1, it is characterised in that the housing (21) is provided with fairlead (213), the lead (23) can be connected through the fairlead (213) with external power source, and the lead (23) is drawn with described Sealed between string holes (213) by sealing ring (24).

4. the actuator of dynamoelectric water valve according to claim 3, it is characterised in that the hole wall tool of the fairlead (213) There is outstanding guide cylinder (214), the lead (23) can pass through from the middle part of the guide cylinder (214), the sealing ring (24) lead (23) is socketed on, and is offseted with the outer end of the guide cylinder (214)；

Also include compressing member, the compressing member is connected to the guide cylinder (214), and compresses the sealing ring (24), with sealing The lead (23) and the junction of the guide cylinder (214).

5. the actuator of dynamoelectric water valve according to claim 4, it is characterised in that the internal perisporium of the guide cylinder (214) Outer end there is seal groove (214a), the sealing ring (24) is installed on the seal groove (214a).

6. the actuator of dynamoelectric water valve according to claim 4, it is characterised in that the compressing member includes and tight cap (25), described and tight cap (25) includes and tight cylinder (251) and the cover plate (252) located at this and tight cylinder (251) one end, the cover plate (252) middle part, which has, is available for the through hole that the lead (23) passes through；

Described and tight cylinder (251) can overcoat, be fixed on the guide cylinder (214), and described in make it that the cover plate (252) compresses Sealing ring (24).

7. the actuator of dynamoelectric water valve according to claim 6, it is characterised in that described and tight cylinder (251) threaded connection Periphery wall in the guide cylinder (214).

8. the actuator of the dynamoelectric water valve according to any one of claim 1-7, it is characterised in that the transmission mechanism bag Driver plate (26) and connecting seat (27) are included, one end of the driver plate (26) is connected with the output shaft (221) of the motor (22), The other end is connected with the connecting seat (27), the connecting seat (27) through the housing (21) and with the dynamoelectric water valve Valve body (1) is connected；

Sealed between the connecting seat (27) and the housing (21) by sealing ring (24).

9. the actuator of dynamoelectric water valve according to claim 8, it is characterised in that also including handle (28), the handle (28) outside of the housing (21) is located at, and is connected with the connecting seat (27).

10. a kind of dynamoelectric water valve, including valve body (1) and actuator (2), it is characterised in that the actuator (2) is claim The actuator of dynamoelectric water valve any one of 1-9, one end of the transmission mechanism are connected with the motor (22), the other end It is connected with the valve body (1).