CN215522065U - Anti-freezing valve and water heater applying same - Google Patents
Anti-freezing valve and water heater applying same Download PDFInfo
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- CN215522065U CN215522065U CN202121480878.1U CN202121480878U CN215522065U CN 215522065 U CN215522065 U CN 215522065U CN 202121480878 U CN202121480878 U CN 202121480878U CN 215522065 U CN215522065 U CN 215522065U
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- water inlet
- valve
- opening
- switch
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 238000007710 freezing Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims description 13
- 230000002528 anti-freeze Effects 0.000 claims description 9
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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Abstract
The utility model relates to an antifreezing valve and a water heater using the antifreezing valve, the antifreezing valve comprises a valve body, a switch member capable of opening a water inlet and opening a water outlet is arranged on the valve body, the antifreezing valve also comprises a valve rod, the outer end of the valve rod extends out of the valve body to be used as a driving end, the inner end of the valve rod is connected with a transmission mechanism, the transmission mechanism is used for driving the switch member to be capable of selectively switching between states of opening the water inlet and opening the water outlet, compared with the prior art, the antifreezing valve has the advantages that: the valve body is integrated with the water inlet, the water outlet and the water outlet, and is provided with the switch part in transmission connection with the valve rod, so that the switching of water supply and water discharge functions can be realized only by rotating the valve rod, and an implementation mode of the anti-freezing valve is provided for realizing the automatic control of the gas quick water heater.
Description
Technical Field
The utility model relates to a valve for a water heater, in particular to an anti-freezing valve and a water heater applying the anti-freezing valve.
Background
The gas water heater is communicated with the outdoor environment through the smoke exhaust pipe, and cold air easily enters the water heater along the smoke exhaust pipe when the outdoor temperature is lower than zero centigrade in cold winter, so that the weak part of a water path pipeline of the water heater is frozen and cracked, and most of the gas water heaters are additionally provided with the electric heating anti-freezing cracking device, so that a certain anti-freezing function is achieved. The electric heating anti-frost-crack device can normally start to work only when the water heater is in a power-on state, and the situation that the electric heating device cannot be started and a water heater pipeline is frost-cracked due to the fact that some users have the habit of pulling out a power plug of the water heater after using the water heater, or have power failure at home, or a newly-decorated house does not use power failure for a long time and the like can be caused. The water channel of the water heater is usually a normally open valve at the water inlet end and a normally closed valve at the water outlet end, so that if a user does not find that the water inlet valve is closed in time, the whole machine leaks water, and property loss and safety problems such as water soaking on the floor, electric leakage and the like are caused.
SUMMERY OF THE UTILITY MODEL
The first technical problem to be solved by the present invention is to provide an antifreezing valve which is convenient for users to operate in view of the above-mentioned prior art.
The second technical problem to be solved by the present invention is to provide a water heater using the above mentioned frost valve, in view of the above mentioned prior art.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: the antifreezing valve comprises a valve body, wherein an accommodating cavity is formed in the valve body, and a water inlet, a water outlet and a water outlet which are communicated with the accommodating cavity are formed in the valve body; the method is characterized in that: the water inlet opening and closing device is characterized in that a switch piece capable of opening the water inlet and the water outlet opening is further arranged in the containing cavity, the water inlet opening and water outlet opening device further comprises a valve rod, the outer end of the valve rod extends out of the valve body to serve as a driving end, the inner end of the valve rod is connected with a transmission mechanism, and the transmission mechanism is used for driving the switch piece to be capable of selectively switching between states of opening the water inlet and opening the water outlet.
The transmission mechanism has various realization forms, wherein the realization form can be as follows: the drive mechanism including by the outer end drive pivoted gear of valve rod, and by the gear drives and the drive strip of the axial direction certain range internal motion of outlet place passageway, the drive strip including be used for with the rack portion of gear interlock, the one end of drive strip still is provided with actuating portion, actuating portion can drive the switching element alternative opens the water inlet or opens the outlet.
Furthermore, the valve body is provided with a U-shaped guide rail on the corresponding side wall, the U-shaped guide rail can enable the actuating part and the transmission strip to slide together, the U-shaped guide rail comprises a first guide groove and a second guide groove, the first guide groove and the second guide groove are used for inserting the edge of the actuating part, and a connecting part for connecting the first guide groove and the second guide groove is arranged on the side wall, a guide hole corresponding to the direction of a connecting line where the water inlet and the water outlet are located is formed in the connecting part, the actuating part comprises a limiting track, correspondingly, the switch part is provided with a guide post capable of simultaneously extending into the guide hole and the limiting track and sliding in the guide hole and the limiting track, and the switch part is in a state of opening the water inlet when the guide post is abutted against the starting end of the limiting track; and under the state that the guide post slides to the terminal of the limiting track, the switch piece is in the state of opening the water outlet. The actuating part slides along the guide rail along with the transmission strip, and the switch piece can simultaneously extend into the guide hole of the guide rail and the limiting rail of the actuating part, so that the switch piece can only move along the guide hole along with the limiting rail, and the switching between the opening of the water inlet and the opening of the water outlet is realized.
The water inlet and the water outlet are kept in a closed state in a natural state, and therefore, preferably, a first blocking piece capable of opening and closing the water inlet is arranged in a water inlet channel corresponding to the water inlet, and a first elastic piece enabling the first blocking piece to always have a tendency of closing the water inlet is also arranged in the water inlet channel; and a second plugging piece capable of opening and closing the water outlet is arranged in the water drainage channel corresponding to the water outlet, and a second elastic piece enabling the second plugging piece to always have the tendency of closing the water outlet is arranged in the water drainage channel. The first elastic member and the second elastic member can keep the water inlet and the water outlet in a closed state in a natural state.
Because the guide hole is arranged along the direction of the connecting line of the water inlet and the water outlet, in order to enable the switch piece to move towards the direction of the water inlet or the water outlet, a driving piece is required to force the switch piece to move towards the direction of the water inlet or the water outlet alternatively, therefore, preferably, the connecting line between the starting end and the terminal end of the limiting track is in a straight shape, and the included angle between the limiting track and the first guide groove or the second guide groove is an acute angle. The design that the straight line shape of the limiting track and the included angle between the limiting track and the first guide groove or the second guide groove are acute angles can force the switch piece to be pulled towards the water inlet or the water outlet, and therefore switching of the switch piece in opening the water inlet and opening the water outlet is finally achieved.
In order to realize that same switch spare can open water inlet and outlet alternatively, preferably, the switch spare is "worker" style of calligraphy, including can be used for the back-open the first switch portion of first shutoff piece and can be used for the back-open the second shutoff piece and with first switch portion parallel arrangement's second switch portion and the third switch portion of connecting first switch portion and second switch portion, the guide post then sets up the middle part of third switch portion.
In order to solve the second technical problem, the utility model further provides a water heater with the anti-freezing valve, which comprises a casing, and is characterized in that: the valve body is connected to the water inlet connector of the casing.
Compared with the prior art, the utility model has the advantages that: the water inlet, the water outlet and the water outlet are integrated on the valve body, and the switch part in transmission connection with the valve rod is arranged, so that the switching of water supply and water discharge functions can be realized only by rotating the valve rod, and an implementation mode of the anti-freezing valve is provided for realizing the automatic control of the gas rapid water heater.
Drawings
FIG. 1 is a schematic view of a freeze valve according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a transmission mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a guide rail according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a switch member according to an embodiment of the present invention;
FIG. 5 is a sectional view of the antifreeze valve of the embodiment of the present invention in a normal use state;
FIG. 6 is a sectional view of the antifreeze valve of the embodiment of the present invention in the antifreeze state
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in FIGS. 1 to 6, the preferred embodiment of the present invention is shown. The antifreezing valve of the embodiment comprises a valve body 1, wherein an accommodating cavity 10 is arranged in the valve body 1, a water inlet 11, a water outlet 12 and a water outlet 13 which are all communicated with the accommodating cavity 10 are arranged on the valve body 1, a switch part 2 capable of opening the water inlet 11 and opening the water outlet 13 is further arranged in the accommodating cavity 10, the antifreezing valve further comprises a valve rod 3, an outer end 31 of the valve rod 3 extends out of the valve body 1 to serve as a driving end, the inner end of the valve rod 3 is connected with a transmission mechanism 4, the transmission mechanism 4 is used for driving the switch part 2 to be capable of selectively switching between states of opening the water inlet 11 and opening the water outlet 13, the water inlet 11, the water outlet 12 and the water outlet 13 are integrated on the valve body 1, the switch part 2 in transmission connection with the valve rod 3 is arranged, and the switching of water supply and water discharge functions can be realized only by rotating the valve rod 3.
Specifically, there are various implementation forms of the transmission mechanism 4, and the implementation form of the transmission mechanism 4 of this embodiment is: the transmission mechanism 4 includes a gear 41 driven by the outer end 31 of the valve rod 3 to rotate, and a transmission bar 42 driven by the gear 41 and moving within a certain range of the axial direction of the channel where the water outlet 13 is located, the transmission bar 42 includes a rack portion 421 for engaging with the gear 41, one end of the transmission bar 42 is further provided with an actuating portion 43, the actuating portion 43 can drive the switch member 2 to alternatively open the water inlet 11 or open the water outlet 13, wherein the valve body 1 is provided with a "U" -shaped guide rail 14 on the corresponding side wall for the actuating portion 43 to slide together with the transmission bar 42, the valve body includes a first guide groove 141 and a second guide groove 142 for the edge of the actuating portion 43 to be inserted, and a connecting portion 143 connecting the first guide groove 141 and the second guide groove 142, the connecting portion 143 is provided with a guide hole 1431 corresponding to the connecting direction of the water inlet 11 and the water outlet 12, the actuating portion 43 of the embodiment is in a slide block form, the switch part 2 comprises a limiting track 431, correspondingly, a guide post 21 which can simultaneously extend into the guide hole 1431 and the limiting track 431 and slide in the limiting track 431, and the switch part 2 is in a state of opening the water inlet 11 under the state that the guide post 21 is abutted against a starting end 4311 of the limiting track 431; in the state that the guide post 21 slides to the terminal 4312 of the limit rail 431, the switch 2 is in the state of opening the water outlet 12, because the actuating part 43 slides along the guide rail 14 along with the transmission bar 42, and the switch 2 can simultaneously extend into the guide hole 1431 of the guide rail 14 and the limit rail 431 of the actuating part 43, for this reason, the switch 2 can only move along the guide hole 1431 along with the limit rail 431, thereby realizing the switching in opening the water inlet 11 and opening the water outlet 13. Since the guiding hole 1431 is disposed along the connecting line of the water inlet 11 and the water outlet 12, in order to enable the switch member 2 to move toward the water inlet 11 or the water outlet 13, a driving member is required to force the switch member 2 to move toward the water inlet 11 or the water outlet 13 alternatively, preferably, the connecting line between the start end 4311 and the end 4312 of the limiting track 431 is in a "straight" shape, and the included angle between the connecting line and the first guide groove 141 or the second guide groove 142 is an acute angle, such a design can force the switch member 2 to "pull" toward the water inlet 11 or "pull" toward the water outlet 12, thereby finally realizing the switching of the switch member 2 between opening the water inlet 11 and opening the water outlet 13.
In addition, the opening and closing member 2 is used for alternatively opening the water inlet 11 or the water outlet 13, so that the water inlet 11 and the water outlet 13 are kept in a closed state in a natural state, a first blocking member 5 capable of opening and closing the water inlet 11 is arranged in the water inlet passage 110 corresponding to the water inlet 11, and a first elastic member 6 enabling the first blocking member 5 to always have a tendency of closing the water inlet 11 is also arranged in the water inlet passage 110; and a second blocking piece 7 capable of opening and closing the water outlet 13 is arranged in the water outlet channel 130 corresponding to the water outlet 13, a second elastic piece 8 enabling the second blocking piece 7 to always have a tendency of closing the water outlet 13 is arranged in the water outlet channel 130, the water inlet 11 and the water outlet 13 can be kept in a closed state in a natural state by virtue of the first elastic piece 6 and the second elastic piece 8, and the first elastic piece 6 and the second elastic piece 8 can be compression springs. Finally, in order to realize that the same opening and closing member 2 can alternatively open the water inlet 11 and the water outlet 13, preferably, the opening and closing member 2 is in an i shape, and comprises a first opening and closing part 22 capable of ejecting the first blocking member 5, a second opening and closing part 23 capable of ejecting the second blocking member 7 and arranged in parallel with the first opening and closing part 22, and a third opening and closing part 24 connecting the first opening and closing part 22 and the second opening and closing part 23, wherein the guide column 21 is arranged in the middle of the third opening and closing part 24. The embodiment also provides a water heater applying the anti-freezing valve, which comprises a machine shell, wherein the valve body 1 is connected to a water inlet connector of the machine shell.
In summary, the waterway path of the antifreeze valve in the water inlet and water discharge states is as follows: the axial direction of the channel in which the water outlet 13 is located is the horizontal direction, taking the case that the water inlet 11 is located below, the water outlet 13 is located above, and the following explanation is made:
in a normal state (refer to fig. 5), the second elastic member 8 is in a natural state to make the second blocking member 7 block the water outlet 13, the first switch portion 22 of the switch member 2 is in a state of pushing the first blocking member 5 downwards under a state that the guide post 21 of the switch member 2 abuts against the starting end 4311 of the limiting rail 431 (i.e. corresponding to the lower part of the water inlet 11), so as to open the water inlet 11 and allow the water heater to enter water;
when frost cracking is prevented in winter (refer to fig. 6), the driving end arranged outside the valve rod 3 is rotated, so that the gear 41 and the transmission bar 42 of the transmission mechanism 4 move horizontally along with the actuating part 43 in the direction towards the water outlet 12, and in the state that the guide post 21 of the switch 2 slides to the terminal 4312 of the limit track 431 (i.e. above the corresponding water outlet 13), the switch 2 can only be forced to move towards the water outlet 13 along the guide hole 1431, and at this time, the second switch part 23 of the switch 2 is in the state of pushing the second blocking part 7 upwards, so that the water outlet 13 is opened for draining water.
Claims (7)
1. An anti-freezing valve comprises a valve body (1), wherein an accommodating cavity (10) is formed in the valve body (1), and a water inlet (11), a water outlet (12) and a water outlet (13) which are communicated with the accommodating cavity (10) are formed in the valve body (1); the method is characterized in that: the water inlet opening and closing valve is characterized in that a switch piece (2) capable of opening a water inlet (11) and a water outlet (13) is further arranged in the accommodating cavity (10), the water inlet opening and closing valve further comprises a valve rod (3), the outer end (31) of the valve rod (3) extends out of the valve body (1) to serve as a driving end, the inner end of the valve rod (3) is connected with a transmission mechanism (4), and the transmission mechanism (4) is used for driving the switch piece (2) to be capable of selectively switching between states of opening the water inlet (11) and opening the water outlet (13).
2. The antifreeze valve according to claim 1, wherein: drive mechanism (4) including by outer end (31) drive pivoted gear (41) of valve rod (3), and by gear (41) drive and the drive strip (42) of the axial direction certain range internal motion of outlet (13) place passageway, drive strip (42) including be used for with rack portion (421) of gear (41) interlock, the one end of drive strip (42) still is provided with actuating portion (43), actuating portion (43) can drive water inlet (11) or open outlet (13) are opened to switching element (2) alternative.
3. The antifreeze valve according to claim 2, wherein: the valve body (1) is provided with a U-shaped guide rail (14) which can enable the actuating part (43) and the transmission strip (42) to slide together on the corresponding side wall, the U-shaped guide rail comprises a first guide groove (141) and a second guide groove (142) which are used for inserting the edge of the actuating part (43) and a connecting part (143) for connecting the first guide groove (141) and the second guide groove (142), the connecting part (143) is provided with a guide hole (1431) corresponding to the connecting line direction of the water inlet (11) and the water outlet (12), the actuating part (43) comprises a limiting track (431), correspondingly, the switch part (2) is provided with a guide column (21) which can simultaneously extend into the guide hole (1431) and the limiting track (431) and can slide in the guide column (431), and under the condition that the guide column (21) is abutted against the starting end (4311) of the limiting track (431), the switch piece (2) is in a state of opening the water inlet (11); and the switch piece (2) is in a state of opening the water outlet (12) under the state that the guide post (21) slides to the terminal (4312) of the limit track (431).
4. The antifreeze valve according to claim 3, wherein: a first blocking piece (5) capable of opening and closing the water inlet (11) is arranged in the water inlet channel (110) corresponding to the water inlet (11), and a first elastic piece (6) enabling the first blocking piece (5) to always have a tendency of closing the water inlet (11) is also arranged in the water inlet channel (110); and a second plugging piece (7) capable of opening and closing the drainage opening (13) is arranged in the drainage channel (130) corresponding to the drainage opening (13), and a second elastic piece (8) enabling the second plugging piece (7) to always have the tendency of closing the drainage opening (13) is arranged in the drainage channel (130).
5. The antifreeze valve according to claim 4, wherein: the connecting line between the starting end (4311) and the terminal (4312) of the limiting track (431) is in a straight shape, and an included angle between the limiting track and the first guide groove (141) or the second guide groove (142) is an acute angle.
6. The antifreeze valve according to claim 5, wherein: switch spare (2) are "worker" style of calligraphy, including can be used for the back-up first switch portion (22) of first shutoff piece (5) and can be used for the back-up second shutoff piece (7) and with second switch portion (23) and third switch portion (24) of connecting first switch portion (22) and second switch portion (23) of first switch portion (22) parallel arrangement, guide post (21) then set up the middle part of third switch portion (24).
7. A water heater applying the antifreezing valve as defined in any one of claims 1 to 6, comprising a housing, wherein: the valve body (1) is connected to the water inlet connector of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121480878.1U CN215522065U (en) | 2021-06-30 | 2021-06-30 | Anti-freezing valve and water heater applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121480878.1U CN215522065U (en) | 2021-06-30 | 2021-06-30 | Anti-freezing valve and water heater applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215522065U true CN215522065U (en) | 2022-01-14 |
Family
ID=79811575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121480878.1U Active CN215522065U (en) | 2021-06-30 | 2021-06-30 | Anti-freezing valve and water heater applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215522065U (en) |
-
2021
- 2021-06-30 CN CN202121480878.1U patent/CN215522065U/en active Active
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