CN208858982U - Drain valve module and water heater - Google Patents

Abstract

The utility model discloses a kind of draining valve module and water heater, it drains valve module and is applied to water heater, it include: shell, the shell includes valve body and connector sleeve, the valve body has water inlet end, water outlet and the water passage for being connected to water inlet end and water outlet, the side wall of the valve body offers the first via hole being connected to the water passage, and the connector sleeve is sheathed on the water inlet end；Ball valve switch, including valve ball and valve rod, the valve ball offered water valve road and were installed on the water passage, and the valve rod passes through first via hole and connect with the valve ball, to control the on-off of the water passage by controlling the valve ball rotation；And first sealing ring, it is set between the valve body and the connector sleeve.How technical solutions of the utility model makes the structure of drain valve simplified while more stable technical problem if being able to solve.

Description

Drain valve module and water heater

Technical field

The utility model relates to field of water heaters, in particular to a kind of draining valve module and water heater.

Background technique

Electric heater has become a kind of household electrical appliance generally used, and people are also more than bathing to the use of water heater Function, but also can be used on other domestic waters, such as winter wash vegetables wash one's hands and need the occasion of hot water.However electric heater After long-term use, the bottom of liner can gather some sediments and need periodic cleaning.Therefore, existing storage-type electric water heater Liner is generally additionally provided with discharge outlet other than entery and delivery port, and installs drain valve in discharge outlet and be used for user periodically certainly Row carries out draining sewage treatment to water heater liner.Traditional water heater drain valve generallys use loose joint mode for ball valve and tile Valve is installed at sewage pipe, realizes drain function by switching valve body, but structure is complicated for this drain valve, installation is inconvenient.It is existing There is the water heater drain valve in technology although to simplify the structure of drain valve, but but also the structure of drain valve becomes unstable.

Utility model content

The main purpose of the utility model is to propose a kind of draining valve module, it is intended to solve the structure letter for how making drain valve Change technical problem more stable simultaneously.

To achieve the above object, the utility model proposes draining valve module, draining valve module be applied to water heater, packet It includes:

Shell, the shell include valve body and connector sleeve, the valve body have water inlet end, water outlet and be connected into The water passage of water end (W.E.) and water outlet, the side wall of the valve body offer the first via hole being connected to the water passage, institute It states connector sleeve and is sheathed on the water inlet end；

Ball valve switch, including valve ball and valve rod, the valve ball offered water valve road and were installed on the water passage, institute It states valve rod to connect across first via hole with the valve ball, to control the water passage by controlling the valve ball rotation On-off；And

First sealing ring is set between the valve body and the connector sleeve.

Optionally, the connector sleeve is sheathed on the periphery wall of the valve body, and the internal perisporium of the connector sleeve is equipped with edge The limit ring portion of circumferentially extending, the end face of the water inlet end are abutted with the limit ring portion.

Optionally, first sealing ring is set between the end face and the limit ring portion of the water inlet end.

Optionally, the end face of the water inlet end and circumferentially arranged with the first seal groove, first sealing ring is set to described In first seal groove.

Optionally, the connector sleeve is the attaching nut being set on the valve body, on the periphery wall of the valve body Abut protrusion equipped with first, the inner peripheral surface of the attaching nut is equipped with second and abuts protrusion, described first abut protrusion with it is described Second, which abuts protrusion, abuts, and is detached from the valve sheet to limit opposite direction of the attaching nut along water passage water inlet direction Body；The screw thread of the attaching nut constitutes the limit ring portion.

Optionally, the connector sleeve wraps up the outer peripheral surface setting of the valve body, on the connector sleeve and corresponding described the One via hole is equipped with the second via hole, and the valve rod sequentially passes through first via hole and second via hole setting.

Optionally, the water inlet end turns down form flange inwardly, and the flange is overlapped in limit ring portion, the limit ring portion Internal perisporium offer card slot, the flange extends to form the card convex being adapted to the card slot towards the card slot.

Optionally, the draining valve module further includes pressing ring, and the pressing ring is embedded at the water outlet of the connector sleeve, And be detachably connected with the connector sleeve, the pressing ring is abutted with the water outlet of the valve body.

Optionally, the water inlet end of the valve body is equipped with multiple installation protrusions, and multiple installation protrusions are along the valve sheet Body is provided at circumferentially spaced, and the interval between the adjacent two installation protrusion, which is supplied water, flows into the water passage, multiple peaces One end far from the valve body of dress protrusion is connected with each other, and is equipped with magnesium bar at the interconnection of multiple installation protrusions Installation position.

Optionally, one end far from the valve body of the installation protrusion is equipped with connecting plate, and the connecting plate connects respectively Multiple installation protrusions are connect, magnesium bar installation position is the mounting hole being arranged on the connecting plate.

Optionally, the valve body includes the valve body and valve deck of coaxial arrangement, and the valve deck detachably connects with the valve body It connects, the internal perisporium of the valve deck is equipped with the first retention bead, and the internal perisporium of the valve body is equipped with the second retention bead, the valve ball Between first retention bead and second retention bead.

Optionally, the periphery wall of the shell is convexly equipped with the fixed cylinder around first via hole, and the valve rod exposes to The outer end of the fixed cylinder is equipped with the second sealing ring between the valve rod and the fixed cylinder.

Optionally, the draining valve module further includes the bushing for being embedded at the fixed tube inner chamber, the valve rod with it is described Bushing rotatably cooperates.

Optionally, the periphery wall of the valve rod corresponds to the bushing and offers the second seal groove circumferentially, described Second sealing ring is equipped in second seal groove；And/or the periphery wall of the bushing offers third circumferentially Seal groove, the third seal groove are equipped with another second sealing ring.

Optionally, the ball valve switch further includes an actuator, and the actuator includes shell and is disposed in the housing Electric drive head, the shell fixes with the fixed cylinder, and the electric drive head connects the valve rod, to drive the valve rod to turn It is dynamic.

Optionally, the shell has the avoid holes worn for the valve rod, and the fixed cylinder protrudes into the avoid holes, And third sealing ring is equipped between the fixed cylinder and the hole wall of the avoid holes.

The utility model also proposes that a kind of water heater, the water heater include liner and draining valve module, the liner Be equipped with discharge outlet, the draining valve module is installed on the discharge outlet, and the connector sleeve for draining valve module with it is described interior Gallbladder connection.

The utility model also proposes that a kind of water heater, the water heater include liner and draining valve module, the liner It is equipped with discharge outlet, the draining valve module is mounted on the discharge outlet, the connector sleeve and the liner of the draining valve module It is integrally formed.

The utility model drains valve module and installs by being embedded valve body in connector sleeve, then in the water passage of valve body Valve ball, and the on-off of water passage is controlled by valve rod control valve ball rotation, so that the part of draining valve module entirety is less, Structure is simpler, while stability is higher.Meanwhile by the way that the first sealing ring, Neng Goufang are arranged between valve body and connector sleeve Sealing causes to drain valve module leak from the outflow of the junction of valve body and connector sleeve.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of water heater of the present invention；

Fig. 2 is the structural schematic diagram of present invention draining one embodiment of valve module；

Fig. 3 is the cut-away illustration that valve module is drained in Fig. 2；

Fig. 4 is the floor map that valve module is drained in Fig. 2；

Fig. 5 is another floor map that valve module is drained in Fig. 2；

Fig. 6 is the structural schematic diagram that valve module is drained in Fig. 1；

Fig. 7 is the cut-away illustration of connector sleeve in Fig. 6；

Fig. 8 is the cut-away illustration that valve module is drained in Fig. 6；

Fig. 9 is the floor map that valve module is drained in Fig. 6；

Figure 10 is another floor map that valve module is drained in Fig. 6.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of water heaters, and specifically, water heater can be electric heater, gas heater or the sun Energy water heater etc. type.

In the utility model embodiment, as shown in Figure 1, the water heater includes liner 90, liner 90 is equipped with various companies Outlet pass, such as water inlet, water outlet and discharge outlet 90a are equipped with draining valve module at the connection mouth of a river, such as in discharge outlet Draining valve module is installed at 90a.

In the present embodiment, as shown in Figures 2 and 3, the draining valve module includes:

Shell, shell include valve body 10 and connector sleeve 20, and valve body 10 has water inlet end 10a, water outlet 10b and company The water passage 10c of logical water inlet end 10a and water outlet 10b, the side wall of valve body 10 offer the be connected to water passage 10c One via hole 10d (please referring to Fig. 8), connector sleeve 20 are sheathed on water inlet end 10a；

Ball valve switch, including valve ball 41 and valve rod 42, valve ball 41 offered water valve road 41a and were installed on water passage 10c, valve rod 42 pass through the first via hole 10d and connect with valve ball 41, to control water passage 10c's by the rotation of control valve ball 41 On-off；And

First sealing ring 81 is set between valve body 10 and connector sleeve 20.

In the present embodiment, in general, valve body 10 is substantially to be in the form of a column setting, water inlet end 10a and water outlet 10b are divided into Two opposite ends of valve body 10, water passage 10c are straight channel；Certainly, valve body 10 can also be arranged in bending, such as bending 90 ° of settings, the angle between water inlet direction and the water discharging direction of water outlet 10b of water inlet end 10a is 90 °, and water passage 10c is Bent passage.Connector sleeve 20 be connect with liner 90, and be connected to the mouth of a river connection, for example, connector sleeve 20 is mounted on discharge outlet At 90a.

Valve ball 41 is installed on water passage 10c, and rotatably cooperates with valve body 10, and crossing water valve road 41a can pass through for both ends Logical runner, also flexible extension.Valve ball 41, which can rotate to, was connected to water valve road 41a with water passage 10c so that water from into Water end (W.E.) 10a smoothly flows to water outlet 10b；Also it can rotate to and separate water passage 10c to control drainage procedure.42 one end of valve rod Shell is exposed to, the other end passes through the first via hole 10d and is connected to valve ball 41, rotates to control valve ball 41, and then controlled water Channel 10c on-off.Valve body 10 can facilitate the installation of valve ball 41, and rotation of the valve ball 41 in valve body 10 can also be made more steady It is fixed；Meanwhile if valve body 10 is worn up to a certain degree by valve ball 41, valve body 10 can be directly replaced, is connected without replacing Set 20 scraps entire draining valve module, extends the service life of draining valve module.In the utility model embodiment, connector sleeve 20 can also be integrally formed with liner 90.

The utility model drains valve module by being embedded valve body 10, then the water passage in valve body 10 in connector sleeve 10c installs valve ball 41, and controls the rotation of valve ball 41 by valve rod 42 to control the on-off of water passage 10c, so that draining valve group The part of part entirety is less, and structure is simpler, while stability is higher.Meanwhile by between valve body 10 and connector sleeve 20 First sealing ring 81 is set, can prevent water from causing to drain valve module leakage from the outflow of the junction of valve body 10 and connector sleeve 20 Water.

Optionally, connector sleeve 20 is sheathed on the periphery wall of valve body 10, and the internal perisporium of connector sleeve 20, which is equipped with, circumferentially to be prolonged The end face of the limit ring portion 22 (please referring to Fig. 8) stretched, water inlet end 10a is abutted with limit ring portion 22.By in connector sleeve 20 Peripheral wall setting limit ring portion 22 is abutted with valve body 10, and axial limit can be carried out to valve body 10, prevents valve body 10 It is pierced by from the water inlet end 10a of connector sleeve 20；In addition, the setting of limit ring portion 22 can also increase between connector sleeve 20 and valve body 10 Contact area, improve sealing performance between the two.Optionally, end face and limit of first sealing ring 81 set on water inlet end 10a Between the ring portion 22 of position.Certainly, in other embodiments, the first sealing ring 81 is also set on the periphery wall of valve body 10.

Further, the end face of water inlet end 10a and circumferentially arranged with the first seal groove 13a (please referring to Fig. 8), the first sealing Circle 81 is set in the first seal groove 13a, can so be limited the first sealing ring 81 and be moved radially.In the present embodiment, first The quantity of seal groove 13a is preferably two and is arranged radially towards interval, and the quantity of the first sealing ring 81 is correspondingly two, To enhance the leakproofness between valve body 10 and connector sleeve 20, the preventing water leakage performance of draining valve module is improved.

Incorporated by reference to referring to figs. 2 to Fig. 5, in an embodiment of the present invention, connector sleeve 20 is to be set on valve body 10 Attaching nut, the periphery wall of valve body 10 are equipped with first and abut protrusion 111, and it is convex that the inner peripheral surface of attaching nut is equipped with the second abutting 21 are played, first, which abuts protrusion 111, abuts 21 abutting of protrusion with second, with limited connection nut along the anti-of water passage water inlet direction Direction is detached from valve body 10；The screw thread of attaching nut constitutes limit ring portion 22.In the present embodiment, at the discharge outlet 90a of liner 90 Equipped with drainpipe, attaching nut is spirally connected with drainpipe.Attaching nut is set on valve body 10, can be with respect to valve body 10 Rotation, therefore when attaching nut and drainpipe are spirally connected, valve body 10 can be rotated, to adjust actuator 50 on valve body 10 Direction, consequently facilitating user's operation.

Incorporated by reference to reference Fig. 6 to Figure 10, in another embodiment of the utility model, connector sleeve 20 wraps up the periphery of valve body 10 Face setting, on connector sleeve 20 and corresponding first via hole 10d is equipped with the second via hole 20a, valve rod 42 sequentially pass through the first via hole 10d and Second via hole 20a setting.In the present embodiment, valve body 10 is entirely placed in connector sleeve 20, and the connector sleeve 20 is to valve sheet Body 10 plays a protective role.Due to the blocking to valve body 10 of connector sleeve 20, therefore need that the second via hole is arranged on connector sleeve 20 20a come for valve rod 42 stretch out, the first via hole 10d is Chong Die with the second via hole 20a so that the water passage 10c of valve body 10 with outside Boundary's connection.

Further, water inlet end 10a is turned down inwardly forms flange 13, and flange 13 is overlapped in limit ring portion 22, in this implementation In example, limit ring portion 22 can also extend, need to only meet can be stably positioned overlap joint i.e. with flange 13 in being extended continuously in interruption It can.It, can be first by valve body 10 out of the insertion of the water outlet of connector sleeve 20 connector sleeve 20 during assembly drains valve module In chamber, the positioning of flange 13 is set to be overlapped in limit ring portion 22, then valve ball 41 is packed into water passage from the water outlet of connector sleeve 20 10c, as a result, the simpler convenience of integral installation of draining valve module, and between valve ball 41, valve body 10 and connector sleeve 20 Cooperation it is more firm.In the present embodiment, the first seal groove 13a be may be provided on flange 13.

Further, the internal perisporium for limiting ring portion 22 offers card slot 22a, and flange 13 extends to form and blocks towards card slot 22a The card convex 131 of slot 22a adaptation.In the present embodiment, the quantity of card slot 22a is preferably two and is distributed in limit ring portion 22 circumferentially Upper two opposite positions, the quantity of card convex 131 is correspondingly two and is connected in card slot 22a, to prevent valve body 10 from existing Rotation drains the overall structure of valve module as a result, the cooperation of valve body 10 and connector sleeve 20 is more firm in connector sleeve 20 It is more stable.

Draining valve module further includes pressing ring 60, and pressing ring 60 is embedded at the water outlet of connector sleeve 20, and with connector sleeve 20 It is detachably connected, pressing ring 60 is abutted with the water outlet 10b of valve body 10.In the present embodiment, the outer wall of pressing ring 60 and company The inner thread of female connector 20 cooperates, with easy disassembly.The water outlet 10b end wall of valve body 10 is connected to the end wall of pressing ring 60, The end water inlet end 10a end wall is connected to limit ring portion 22, to make valve body 10 is firm to be embedded in connector sleeve 20.Pressing ring 60 is remote One end from valve body 10 preferably protrudes from connector sleeve 20, to connect with drainage pipeline, specifically, the outer wall of pressing ring 60 with The inner wall of drainage pipeline is preferably also threadedly engaged, to facilitate the connection of draining valve module and drainage pipeline.

Specifically, valve body 10 includes the valve body 12 and valve deck 11 of coaxial arrangement, valve deck 11 detachably connects with valve body 12 It connects, the internal perisporium of valve deck 11 is equipped with the first retention bead 112, and the internal perisporium of valve body 12 is equipped with the second retention bead 121, valve ball 41 Between the first retention bead 112 and the second retention bead 121, the first retention bead 112 and the second retention bead 121 are to valve Ball 41 plays axial position-limiting action.To prevent leak, therefore the 4th sealing ring is equipped between valve ball 41 and the first retention bead 112 84, in addition, being equipped with the 5th sealing ring 85 between valve ball 41 and the second retention bead 121.

The periphery wall of shell is convexly equipped with the fixed cylinder 122 around the first via hole 10d, and valve rod 42 exposes to fixed cylinder 122 Outer end, is equipped with the second sealing ring 82 between valve rod 42 and fixed cylinder 122, the second sealing ring 82 can be improved fixed cylinder 122 and valve Leakproofness between bar 42.

Draining valve module further includes the bushing 70 for being embedded at 122 inner cavity of fixed cylinder, and valve rod 42 and bushing 70 rotatably cooperate. In the present embodiment, 70 both ends of bushing penetrate through and are embedded at the inner cavity of fixed cylinder 122, and valve rod 42 is placed through bushing 70 and and bushing 70 rotatably cooperations, form effective protection to valve rod 42 as a result, improve the stability of drain valve entirety.Bushing 70 both makes valve Bar 42 it is easier for installation, firm, also make the simpler convenience of the maintenance of drain valve, if bushing 70 is worn up to a certain degree, Directly more resleeve 70 is only needed, without replacing shell or scrapping entire draining valve module, reduces draining as a result, The cost of overhaul of valve module extends the service life of draining valve module

Further, the periphery wall of valve rod 42 corresponds to bushing 70 and offers the second seal groove 42a circumferentially, and second One second sealing ring 82 is equipped in seal groove 42a；And/or the periphery wall of bushing 70 offers the sealing of third circumferentially Slot 70a, third seal groove 70a are equipped with another second sealing ring 82.In the present embodiment, wherein one second sealing ring 82 is to mention The leakproofness that high valve rod 42 cooperates with bushing 70, what another second sealing ring 82 cooperated to improve bushing 70 with fixed cylinder 122 Leakproofness improves the sealing performance of draining valve module entirety as a result,.In addition, in other embodiments, the second sealing ring 82 can also Directly abutted with fixed cylinder 122 and valve rod 42.

Ball valve switch further includes an actuator 50, and actuator 50 includes shell and the electric drive head being set in the housing, shell Fixed with fixed cylinder 122, electric drive head connects valve rod 42, with the rotation of driving stem 42.In other embodiments, actuator 50 It can be manual actuation part 50, manual actuation part 50 further includes the knob connecting with housing into rotation, and valve rod 42 is fixed with knob.

Further, shell has the avoid holes 50a worn for valve rod 42, and fixed cylinder 122 protrudes into avoid holes 50a, and Third sealing ring 83 is equipped between fixed cylinder 122 and the hole wall of avoid holes 50a.In the present embodiment, since setting fixed cylinder 122 is stretched Enter in the avoid holes 50a of shell, and third sealing ring 83 is set between fixed cylinder 122 and the hole wall of avoid holes 50a, it can be right Actuator 50 is sealed, and be can avoid external world's steam and is run in actuator 50 from avoid holes 50a and cause the electricity in actuator 50 Device component failure.Optionally, fixed cylinder 122 extend on its outer peripheral surface of the intracorporal part of shell and circumferentially arranged with the 4th it is close Sealing groove, third sealing ring 83 are arranged in the 4th seal groove.Further, fixed cylinder 122 is equipped with flange 123, shell and method Orchid 123 is connected by screw to, and the structure after valve body 10 and the connection of actuator 50 please refers to Fig. 5.

It please recombine referring to figs. 2 to Fig. 3, further, be equipped with multiple installation protrusions in the water inlet end 10a of valve body 10 30, raised 30 being provided at circumferentially spaced along valve body 10 of multiple installations, adjacent two intervals installed between protrusion 30 constituted water Hole 30a, water hole 30a, which supply water, flows into water inlet end 10a, and one end of the separate valve body 10 of multiple installation protrusions 30 is connected with each other, And magnesium bar installation position 31a is equipped in the junction.In the present embodiment, installation protrusion 30 preferably along the axially extending of valve body 10 and It is in long strip, it is equivalent to the length for being able to extend water hole 30a, so convenient for the sewage being quickly discharged in liner 90；In addition, peace Dress protrusion 30 can also be bulk etc..In the embodiment, installation protrusion 30 can be in long strip-board shape, strip column etc..Valve body 10 Upper settable two, three or six equal number of installation protrusions 30, optionally, the water inlet end 10a of valve body 10 is equipped with two Installation protrusion 30, two installation protrusions 30 are divided into the two opposite sides of valve body 10, are so equivalent to form two water hole 30a, and The size of two water hole 30a is identical.In addition, one end of the separate valve body 10 of installation protrusion 30 is equipped with connecting plate 31, connecting plate 31 are separately connected multiple installation protrusions 30, and magnesium bar installation position 31a is the mounting hole being arranged on connecting plate 31.Set there are two peace In the embodiment of dress protrusion 30, two installation protrusion 30 of the connection of connecting plate 31 forms class between two installation protrusions 30 and connecting plate 31 Like gate-shaped structure, and two installation protrusions 30 are arranged symmetrically more preferable to the support effect of magnesium bar.In addition, magnesium bar installation position 31a is arranged In one end of the separate valve body 10 of installation protrusion 30, it can so reduce and relief hole is blocked.

In the utility model, since connector sleeve 20 is arranged in the water inlet end 10a in valve body 10, which is set in interior The periphery of 90 drainpipe of gallbladder, then the water inlet end 10a of valve body 10 can be abutted with the end face of drainpipe water outlet 10b.In addition, The water inlet end 10a of valve body 10 and the multiple installation protrusions 30 of circumferentially spaced setting, multiple interval structures installed between protrusion 30 The water hole 30a of water inlet end 10a is flowed at supplying water, and since the water inlet end 10a of valve body 10 is abutted with drainpipe, valve Ontology 10 does not protrude into liner 90, therefore the lower end of water hole 30a at least can be concordant with the bottom surface of liner 90, or is lower than The setting of 90 bottom surface of liner, therefore can guarantee that the water in liner 90 is all discharged.

The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Under the utility model design of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (18)

1. a kind of draining valve module, it is applied to water heater, which is characterized in that the draining valve module includes:

Shell, the shell include valve body and connector sleeve, and the valve body has water inlet end, water outlet and connection water inlet end With the water passage of water outlet, the side wall of the valve body offers the first via hole being connected to the water passage, the company Female connector is sheathed on the water inlet end；

Ball valve switch, including valve ball and valve rod, the valve ball offered water valve road and were installed on the water passage, the valve Bar passes through first via hole and connect with the valve ball, to control the logical of the water passage by controlling the valve ball rotation It is disconnected；And

First sealing ring is set between the valve body and the connector sleeve.

2. draining valve module as described in claim 1, which is characterized in that the connector sleeve is sheathed on the periphery of the valve body Wall, the internal perisporium of the connector sleeve are equipped with limit ring portion circumferentially, the end face of the water inlet end and the stop collar Portion abuts.

3. draining valve module as claimed in claim 2, which is characterized in that first sealing ring is set to the end of the water inlet end Between face and the limit ring portion.

4. draining valve module as claimed in claim 3, which is characterized in that the end face of the water inlet end and circumferentially arranged with first Seal groove, first sealing ring are set in first seal groove.

5. draining valve module as claimed in claim 2, which is characterized in that the connector sleeve is to be set on the valve body Attaching nut, the periphery wall of the valve body are equipped with first and abut protrusion, and the inner peripheral surface of the attaching nut is equipped with second and supports Protrusion is connect, the first abutting protrusion abuts protrusion abutting with described second, leads to limit the attaching nut along the water of crossing The opposite direction in road water inlet direction is detached from the valve body；The screw thread of the attaching nut constitutes the limit ring portion.

6. draining valve module as claimed in claim 2, which is characterized in that the connector sleeve wraps up the outer peripheral surface of the valve body It is arranged, on the connector sleeve and corresponding first via hole is equipped with the second via hole, and the valve rod sequentially passes through first via hole It is arranged with second via hole.

7. draining valve module as claimed in claim 6, which is characterized in that the water inlet end turns down form flange inwardly, described Flange is overlapped in limit ring portion, and the internal perisporium of the limit ring portion offers card slot, and the flange is extended to form towards the card slot The card convex being adapted to the card slot.

8. draining valve module as claimed in claim 6, which is characterized in that the draining valve module further includes pressing ring, described Pressing ring is embedded at the water outlet of the connector sleeve, and is detachably connected with the connector sleeve, the pressing ring and the valve sheet The water outlet of body abuts.

9. the draining valve module as described in claim 2-8 any one, which is characterized in that the water inlet end of the valve body is equipped with Multiple installation protrusions, multiple raised being provided at circumferentially spaced along the valve body of the installation, the adjacent two installation protrusion Between interval supply water and flow into the water passage, one end far from the valve bodies of multiple installation protrusions are connected with each other, And magnesium bar installation position is equipped at the interconnection of multiple installation protrusions.

10. draining valve module as claimed in claim 9, which is characterized in that the separate valve body of the installation protrusion One end is equipped with connecting plate, and the connecting plate is separately connected multiple installation protrusions, and magnesium bar installation position is to be arranged in the connection Mounting hole on plate.

11. the draining valve module as described in claim 1-8 any one, which is characterized in that the valve body includes coaxially setting The valve body and valve deck set, the valve deck are detachably connected with the valve body, and the internal perisporium of the valve deck is equipped with the first retention bead, The internal perisporium of the valve body is equipped with the second retention bead, and the valve ball is located at first retention bead and second limit convex Between rising.

12. the draining valve module as described in claim 1-8 any one, which is characterized in that the periphery wall projection of the shell There is the fixed cylinder around first via hole, the valve rod exposes to the outer end of the fixed cylinder, the valve rod and the fixation The second sealing ring is equipped between cylinder.

13. as claimed in claim 12 draining valve module, which is characterized in that the draining valve module further include be embedded at described in The bushing of fixed tube inner chamber, the valve rod rotatably cooperate with the bushing.

14. draining valve module as claimed in claim 13, which is characterized in that the periphery wall of the valve rod corresponds to the bushing and opens Equipped with the second seal groove circumferentially, second sealing ring is equipped in second seal groove；And/or the lining The periphery wall of set offers third seal groove circumferentially, and the third seal groove is equipped with another second sealing ring.

15. draining valve module as claimed in claim 12, which is characterized in that the ball valve switch further includes an actuator, institute The electric drive head that actuator includes shell He is disposed in the housing is stated, the shell is fixed with the fixed cylinder, and the electricity drives Dynamic head connects the valve rod, to drive the valve rod to rotate.

16. draining valve module as claimed in claim 15, which is characterized in that the shell has to be kept away for what the valve rod was worn Allow hole, the fixed cylinder protrudes into the avoid holes, and it is close that third is equipped between the fixed cylinder and the hole wall of the avoid holes Seal.

17. a kind of water heater, which is characterized in that the water heater includes liner and as described in claim 1-16 any one Draining valve module, the liner is equipped with discharge outlet, and the draining valve module is installed on the discharge outlet, and the drain valve The connector sleeve of component is connect with the liner.

18. a kind of water heater, which is characterized in that the water heater includes liner and as described in claim 6-8 any one Draining valve module, the liner is equipped with discharge outlet, and the draining valve module is mounted on the discharge outlet, the draining valve group The connector sleeve of part and the liner are integrally formed.