CN2132893Y

CN2132893Y - Water inlet and outlet control valve of water heater

Info

Publication number: CN2132893Y
Application number: CN 92227570
Authority: CN
Inventors: 陈振波
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-07-15
Filing date: 1992-07-15
Publication date: 1993-05-12
Anticipated expiration: 2002-07-15

Abstract

The utility model provides a water inlet and outlet control valve of a water heater, which is composed of a control apparatus and a pipeline valve seat, wherein, the control apparatus comprises a rotating bar whose top and bottom two ends of a front edge are provided with a nose bar and a bump; a fixed block whose front edge is a pivoted block provided with a pivot hole, the pivot hole and the bump are pivoted, the back edge is dented with internal screw-thread, and a central projecting post of the fixed block is provided with a through hole; a water blocking pin inserted in a spring and passing through the through hole; a control bar whose top end is clamped with the nose bar and the bottom end is pivoted with the terminal end of the water blocking. The pipeline valve seat comprises a front valve body comprising a through hole, a connecting pipe of a front edge of the front valve body is communicated with the through hole and is provided with a water inlet pipe, and the front end of the connecting pipe is provided with external screw-thread corresponding to the internal screw-thread; a back valve body whose front edge is provided with a concave slot, a water outlet pipe is inserted in the center of the back valve body to form a concave ring, and a water blocking sheet is arranged in the back valve body.

Description

Water inlet and outlet control valve of water heater

The utility model is the inlet and outlet control valve about a kind of heating water boiler, particularly about the inlet and outlet control valve of Hui Yi to cold-water tank can not take place when hot water tank is intake.

In living at home, heating water boiler has become daily necessities, for popular life has brought facility.As shown in Figure 1, be a kind of cross-sectional schematic of heating water boiler, consist predominantly of housing 100, be positioned at the hot water tank 200 of housing 100 1 sides, and be positioned at the cold-water tank 300 of opposite side and be positioned at the reservoir 400 etc. of cold-water tank 300 belows.Wherein on the connecting pipeline 500 between hot water tank 200 and the cold-water tank 300, be provided with control valve 600,500 enter control valve 600 and flow in the hot water tank 200 and be heated by the road in order to the current of control cold-water tank 300.The utility model mainly is to make brand-new design improved at control valve 600.

See also Fig. 2, control valve 600 includes body 601 and control base 602; Wherein body 601 is being provided with the cap body 611 that outwards protrudes in body leading edge centre, and appropriate location is provided with through hole 612 below cap body 611, other has turnover water pipe 613 to be located in body leading edge and cap body 611 joints, its pore and through hole 612 intersect in body leading edge central authorities, can lead to and the block of a face closure and make body 601 form three; The centre of control base 602 is equipped with bull stick 621, the part bull stick 621 that is positioned at its leading edge then forms the body of rod 622,623 of two sections different-diameters, and the end of the body of rod 622,623 all be set with

pad volume

6221,6231, with increase in conjunction with after air tightness, offer through hole 634 at the body of rod 623 appropriate locations in addition, with the pore of the aforementioned turnover water pipe 613 of correspondence; Around control base 602 leading edges, then form recessed frame 625, with corresponding with the root edge of aforementioned body 601; Above-mentioned member can be fixed tightly in around it in default screw and be made up by screw.Figure 3 shows that the combination cross-sectional schematic of control valve 600, when the water of cold-water tank 300 by the road 500 when connecting the end 6131 of turnover water pipe 613 of control valves 600, if this moment, the through hole 624 of bull stick 621 just was connected with the caliber of body 613, just then water can flow to the other end 6132 of body 613 and flows in the hot water tank 200 through this through hole 624; If when the bull stick 621 of control base 602 leading edges makes through hole 624 be closed in the differential seat angle that through hole 612(enables through rotation is 90 °) time, the water of cold-water tank 300 can be controlled its water yield turnover with this by bull stick 621 retainings in body 613; But at this some problems take place: when the water of cold-water tank flows to hot water tank flowing through through hole 624, because through hole originally as the passage that runs through, under the situation of no any obstruction, has the water in the portion of hot water tank that excessive phenomenon can take place back unavoidably during water inlet; People may forget closed control valve because of neglecting for the moment when water inlet again.At this moment, the water that has entered hot water tank heats on the one hand, on the other hand the heating water of boiling again Hui Yi mix with it to the pipeline of cold-water tank, this not only increases the boiling time of hot water tank and the unnecessary electric power of loss also may make the people drink the insalubrity without the water that boils.In addition, control valve is to utilize to be with the bull stick of packing ring and to control, the major function of packing ring is in order to increase its tightness, but owing to can be utilizes the bull stick rotation to control its through hole form path with the caliber of body 613 in the past, so under rotating for a long time (wiping of rubber and rubber phase attrition just), wearing and tearing can take place unavoidably and tightness is not so good as with tight like that, cause little phenomenon of oozing.

So main purpose of the present utility model just is to provide a kind of inlet and outlet control valve of heating water boiler, hope can make control valve when breakdown, and the water in the hot water tank reverse Hui Yi can not take place.

Major character of the present utility model is: the controlling rod bottom of control gear can drive by rotating with the water-blocking pin that pin is connecting, this bull stick is provided with nose bar and projection at the top and bottom ends of its leading edge, nose bar and controlling rod top draw-in groove chucking, projection then with the pivot joint block of fixed block leading edge in the pivot hole that is provided be articulated, the controlling rod root edge is slided at fixed block leading edge face, thereby action before and after the control water-blocking pin; Other has the pipeline valve seat, its leading edge engages with described fixed block trailing edge, the pipeline valve seat comprises the front valve shell that is provided with through hole, its leading edge is provided with the connecting tube of intake pipe, the pipeline valve seat also comprises the rear valve body with outlet pipe, by the scrobicular ring that forms in its leading edge place with place scrobicular ring and the block water plate that is folded in the middle of it is formed; Utilization can make the water in the hot water tank can reverse Hui Yi not take place within it through control valve by the inlet and outlet control valve of above-mentioned component composition.

Therefore, the utility model provides a kind of inlet and outlet control valve of heating water boiler, but its integral installation is located on the connecting pipeline between cold-water tank and hot water tank, it consists predominantly of control gear and pipeline valve seat, wherein, control gear includes: the bull stick of hexagonal body, and its end is set with the flap button; Controlling rod, the nose bar chucking on its top and bull stick leading edge top; Fixed block articulates with bull stick leading edge bottom projection, and the fixed block trailing edge protrudes and is provided with projection and has spring sheathed on it; Water-blocking pin, its second half section passes spring and through the set through hole of projection central authorities, and articulates with the controlling rod bottom, and its preceding half section then is arranged with and holds out against body.Then establishing a slice block water plate by front and back valve body therebetween as for the pipeline valve seat is formed; Wherein, the front valve shell leading edge is provided with connecting tube, and its front end has outside thread, and the connecting tube trailing edge then is communicated with the set through hole of front valve shell, and above connecting tube, wearing intake pipe, the outside thread of connecting tube then engages with the internal thread that is provided with in the fixed block of described control gear; The rear valve body leading edge is provided with groove, and other has outlet pipe to pass groove, and outlet pipe leading edge place formation recess, and constitutes scrobicular ring with groove, leans the side at described through hole to place block water plate; Utilize this combination, the water that can prevent hot water tank through control valve and Hui Yi to the pipeline of cold-water tank.

Technological means and effect thereof that following conjunction with figs. is adopted in order to achieve the above object by most preferred embodiment explanation the utility model.Being simply described as follows of accompanying drawing:

Fig. 1 is the cross-sectional schematic of general heating water boiler inside.

Fig. 2 is the inlet and outlet control valve three-dimensional exploded view that general heating water boiler used in the past.

Fig. 3 is the cross-sectional schematic of above-mentioned control valve.

Fig. 4 is the utility model embodiment's a control gear three-dimensional exploded view.

Fig. 5 is the utility model embodiment's a pipeline valve seat three-dimensional exploded view.

Fig. 6 is the stereogram of the utility model embodiment's control valve.

Fig. 7 is the unlatching cross-sectional schematic of the utility model embodiment's control valve.

Fig. 8 be the utility model embodiment control valve close cross-sectional schematic.

Fig. 9 is that the utility model embodiment's control valve is configured in the schematic perspective view on the heating water boiler.

At first, see also Fig. 4,5, the utility model is made up of control gear 1 and pipeline valve seat 2.

Control gear 1 includes bull stick 11, fixed block 12, pressure spring 13, water-blocking pin 14, holds out against body 15 and controlling rod 16.

Bull stick 11 ends are provided with hexagon 111, and suit flap button 3 on hexagon 111, with its rotation; The leading portion of bull stick 11 is and the circumcircle of the hexagon body of rod 112 with diameter, and up extends plate stem 113 at the body of rod 112 leading edge places, and at plate stem 113 leading edge top and bottom ends nose bar 114 and projection 115 is set respectively.

Fixed block 12 is being fixed pivot joint block 121 in body leading edge one side, pivot joint block 121 centre are provided with the pivot hole 122 corresponding to described bull stick 111 leading edge bottom projections 115, its trailing edge is then toward interior recessed, be provided with the scrobicular ring 123 that periphery has internal thread, and protruding the projection 124 that a two-part is set in scrobicular ring 123 centre, the diameter of projection 124 leading portions is slightly less than back segment; The central authorities of projection 124 are provided with through hole 125.

Spring 13 is enclosed within the leading portion of the two-part projection 124 of described fixed block 12, and peaks at the root of projection 124 leading portions.

Water-blocking pin 14, be inserted in the described spring 13 and be threaded onto in the through hole 125 of fixed block 12, it is to be the spherical plush copper of semicircle 141 greatly and slightly than the body of rod that its body of rod one end is provided with diameter, also be provided with the flange 144 that diameter equates with plush copper 141 approximately at the body of rod, make between plush copper 141 and the flange 144 and form annular recess near plush copper 141 places; The body of rod the other end then forms the gradually flat bar body 142 that scabbles, and the end at the body of rod 142 places of scabbling is provided with pin-and-hole 143.

Hold out against body 15 and be the soft rubber of stepped outward appearance, its front periphery forms tapered portion 151, its inside is stair-stepping cavity 152, cavity 152 is provided with the leptophragmata sheet 153 that central authorities have circular hole near tapered portion 151 places, thereby between tapered portion 151 and partition 153, be separated out areola 154 in addition, as shown in Figure 7, areola 154 is to be used for the plush copper 141 of the aforementioned water-blocking pin 14 of suit, and partition 153 is embedded in the annular recess between plush copper 141 and the flange 144; The other end of body 15 then withstands the scrobicular ring 123 root edge places of described fixed block 12.

The top centre of controlling rod 16 is provided with draw-in groove 162 and its upper semisection is formed

Shape plate body 161, the draw-in groove 162 of plate body 161 can tighten mutually with the nose bar 114 of bull stick 11; The lower semisection of controlling rod 16 then slightly is the block 163 of JiongZi Xing for hollow, and is provided with a pair of circular hole 164 in both sides, corresponding to the pin-and-hole 143 of aforementioned water-blocking pin 14, can water-blocking pin 14 pivots be adorned together by means of latch 4.

As shown in Figure 5, the pipeline valve seat includes forward and backward

valve body

21,22 and block water plate 23.

Front valve shell 21 trailing edge central authorities are provided with groove 211, and establish a through hole 212(Fig. 7 in addition) in these groove 211 central authorities, around it, be provided with screw thread 213, and form a front end in the leading edge centre and have externally threaded connecting tube 214, be communicated with through hole 212, and being equipped with intake pipe 215 thereon, the outside thread of connecting tube 214 is to be used for engaging with the internal thread of the fixed block 12 trailing edge scrobicular rings 123 of described control gear 1.

Rear valve body 22 is provided with groove 221 around the leading edge centre and corresponding to the screw 222 of screw 213 around the described front valve shell 21, and wears outlet pipe 223 in groove 221 central authorities; Outlet pipe 223 leading edges are provided with draw-in groove 224, and form scrobicular ring 225 in 221 of grooves.

Block water plate 23 itself utilizes vertical bar 231 to link to each other with central sheet 232, and its integral body can be positioned in the described scrobicular ring 225, and allows vertical bar be embedded in the draw-in groove 224, makes thin slice 232 can block the through hole 212 of front valve shell 21.

Figure 6 shows that stereogram of the present utility model, when the internal thread of the fixed block 12 trailing edge inside of control gear 1 engages with the outside thread of the leading edge of the front valve shell 21 of pipeline valve body 2, the intake pipe 215 of the front valve shell 21 of pipeline valve body 2 is connected to preceding half section of connecting pipeline 500, and the outlet pipe 223 of rear valve body 22 then is connected with the second half section of connecting pipeline 500.When the flap button 3 of bull stick 11 ends of control gear 1 down rotates clockwise, bull stick 11 will be subjected to its drive and serve as that axle rotates in the same way with leading edge bottom and fixed block 12 pivot-connecting positions, and then drive bull stick 11 leading edge top nose bars 114 drive the draw-in groove 162 on controlling rods 16 tops, and rotate in the same way with the flap button, make controlling rod 16 parallel with pipeline valve seat 2.At this moment, as shown in Figure 7, because between the latch 4 of controlling rod 16 bottoms and water-blocking pin 14 ends that are set with spring 13 is pivotally connected, thus the also pressure spring 13 that water-blocking pin 14 can be pulled outward, so the water in the cold-water tank 300 just can flow to hot water tank 200 and be heated.

Please continue to consult Fig. 7, the cross-sectional schematic that this figure opens for control valve, after the water of cold-water tank 300 is entered by intake pipe 215, since be set with hold out against body 15 water-blocking pin 14 controlled device 1 pull outward, hold out against body 15 and can move in company with water-blocking pin 14 backward this moment, and the stream that causes gauffer (because of it is the soft rubber body) and formation to connect on its surface, and thin slice 232 diameters of the former block water plate 23 that peaks at through hole 212 1 sides are greater than through hole 212, so, then will be blocked by thin slice 232 if Hui Yi takes place the water in the hot water tank 200.

Consult Fig. 8, the cross-sectional schematic of closing for control valve, at this moment, water-blocking pin 14 is because of the effect of its control gear 1, make and be sleeved on the outer springs 13 of water-blocking pin 14 previous condition of rebounding, the gauffer part that body 15 taken place that holds out against that is sleeved on the water-blocking pin 14 also can restore to the original state thereupon, so this moment, its front periphery tapered portion 151 just can hold out against through hole 212, the pipe that makes its water of being come in by intake pipe 215 be blocked in connecting tube 214 is indoor, and it is indoor and can't circulate that the water in the hot water tank 200 also are blocked in the pipe of outlet pipe 223 simultaneously.At this moment, owing to the through hole 212 and the leading edge tapered portion 151 of body 15 are to utilize the mode that leans to contact, so under the long-time operation that opens and closes, not too can be owing to wearing and tearing produce the not good problem of tightness.

Figure 9 shows that the schematic perspective view after the utility model embodiment and heating water boiler 5 assembly, and please refer to Fig. 7,8.When desire is used this heating water boiler 5, if the water in the hot water tank 200 have been used up or are not enough and when desiring to add to full water level, only use flap button 3 to reverse toward the direction that sets with bull stick 11 terminal institute suits of the present utility model, water in the cold-water tank 300 just can flow into heating in the hot water tank 200 via connecting pipeline 500, the structure that block water plate 23 is also arranged in the pipeline valve body 2 of its connection because of the utility model simultaneously, so when feeding water, the possibility of the water Hui Yi in the water heater 200 can not take place.

Can find out obviously that by the foregoing description advantage of the present utility model is: the pipeline valve seat inside at control valve is provided with block water plate, can advance the barrier effect that can not move back and provide in the stream of portion within it, make the hot water tank can be because of water inlet or when control valve not being closed because of carelessness, mix with the water of not boiling and allow the water of having boiled in the hot water tank flow into cold-water tank, thereby can not make the people drink insanitary water; Another advantage is that the utility model embodiment's control mode is to utilize control gear that water-blocking pin can be moved front and back, and lean on the front valve shell through hole of pipeline valve seat, and the mode that leans of this control, be different from and utilize the resistance envelope mode of rotating in the past, so after using operation a period of time, not too can take place as in the past to cause little generation of oozing phenomenon because of wearing and tearing make its tightness not good.

In sum, the utility model provides a kind of inlet and outlet control valve of new heating water boiler, and it can reach the goal of the invention of being scheduled to, and control valve more in the past has the improvement on the effect.

Claims

1, a kind of inlet and outlet control valve of heating water boiler is made up of control gear and pipeline valve seat, it is characterized in that:

Described control gear includes:

Bull stick up extends plate stem in its leading edge, and plate stem top leading edge is provided with nose bar, and the plate stem root edge then is provided with flange;

Fixed block is being fixed packaging block in body leading edge one side, and packaging block is provided with the pivot hole, be connected rotationally with described projection, and the then recessed joint that is provided with of its trailing edge, and be provided with projection in these joint central authorities, and be provided with through hole in the projection centre;

Spring, shell-like is on described projection;

Water-blocking pin is the band cap body of rod, and is inserted in the described spring and passes in the through hole of projection;

Controlling rod, its top are provided with the draw-in groove of the described nose bar of corresponding chucking, and its bottom is a hollow, is articulated with described water-blocking pin end;

Described pipeline valve seat includes:

Front valve shell is provided with through hole in the central, and forms connecting tube in leading edge, communicates with through hole, and is equipped with intake pipe thereon, and the connecting tube front end also is located at the joint corresponding to aforementioned fixation piece trailing edge joint;

Block water plate relies on a side of described front valve shell trailing edge through hole;

Rear valve body, the place is provided with groove in leading edge, and other has outlet pipe to be plugged in groove central authorities and forms scrobicular ring, and described block water plate is placed in this scrobicular ring.

2, heating water boiler inlet and outlet control valve as claimed in claim 1 is characterized in that: described water-blocking pin is set with and holds out against body.