CN213575650U - A check valve capable of waterproof backflow - Google Patents
A check valve capable of waterproof backflow Download PDFInfo
- Publication number
- CN213575650U CN213575650U CN202021880880.3U CN202021880880U CN213575650U CN 213575650 U CN213575650 U CN 213575650U CN 202021880880 U CN202021880880 U CN 202021880880U CN 213575650 U CN213575650 U CN 213575650U
- Authority
- CN
- China
- Prior art keywords
- water
- shell
- check valve
- hole
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Check Valves (AREA)
Abstract
本实用新型提供一种能够防水倒流的止逆阀，其包括：第一接头，其具有至少一个入水通道；第二接头，其具有至少一个出水通道，第二接头扣合于第一接头并构成一个流水腔；还包括以下部件，板，其具有平板体、设置于平板体的第一通孔、环绕于第一通孔设置于平板体的至少一个第二通孔，平板体扣合在位于流水腔内的第一接头腔壁或第二接头腔壁；逆止件，其具有盖板和沿盖板一表面伸出的纵向杆体，纵向杆体穿设于所述第一通孔，当水从入水通道朝向出水通道方向发生倒流时，以使盖板密封盖合于第二通孔。本实用新型与现有技术相比，由于采用了此种结构，通过板和逆止件，能够起到防止水倒流的效果；延长相关部件的使用寿命，降低维护或维修成本。
The utility model provides a check valve capable of waterproof backflow, which comprises: a first joint, which has at least one water inlet channel; a second joint, which has at least one water outlet channel, and the second joint is fastened to the first joint and constitutes a A water flow cavity; also includes the following components, a plate, which has a flat body, a first through hole arranged in the flat body, and at least one second through hole arranged in the flat body around the first through hole, and the flat body is buckled at the The first joint cavity wall or the second joint cavity wall in the water flow cavity; the backstop has a cover plate and a longitudinal rod body extending along a surface of the cover plate, the longitudinal rod body is penetrated through the first through hole, and when the water When the reverse flow occurs from the water inlet channel toward the water outlet channel, the cover plate is sealed and covered with the second through hole. Compared with the prior art, the utility model adopts such a structure, through the plate and the backstop, the effect of preventing the backflow of water can be achieved; the service life of the relevant parts can be prolonged, and the maintenance or repair cost can be reduced.
Description
Technical Field
The utility model belongs to the technical field of check-return equipment, a check valve that can waterproof refluence is related to.
Background
Currently, in the prior art there is a non-return valve comprising: a first joint having at least one water inlet channel; the second connector is provided with at least one water outlet channel, and the second connector is buckled with the first connector to form a flowing water cavity. It has the problems that: when the check valve with the structure is used, water flows through the check valve, and is limited by the structure, the check valve is easy to cause water backflow, so that the check valve does not have a water backflow preventing effect; further making subsequent related components (e.g., motors) vulnerable.
Therefore, the utility model provides a check valve that can prevent water backflow.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, an object of the present invention is to provide a check valve capable of preventing water from flowing backwards, which can prevent water from flowing backwards.
The purpose of the utility model can be realized by the following technical proposal:
a check valve capable of preventing a reverse flow of water, comprising:
a first joint having at least one water inlet channel;
the second connector is provided with at least one water outlet channel and is buckled with the first connector to form a flowing water cavity;
the check valve capable of preventing reverse flow of water further comprises the following components,
the plate is provided with a flat plate body, a first through hole arranged in the flat plate body and at least one second through hole arranged in the flat plate body and surrounding the first through hole, and the flat plate body is buckled on the wall of a first joint cavity or the wall of a second joint cavity in a water flowing cavity;
the anti-stopping piece is provided with a cover plate and a longitudinal rod body extending out from one surface of the cover plate, the longitudinal rod body penetrates through the first through hole, and when water flows backwards from the water inlet channel to the water outlet channel, the cover plate is sealed and closed in the second through hole.
The check valve capable of preventing water backflow is characterized in that: the water inlet channel and the water outlet channel are arranged in parallel, the first connector is also provided with a first shell with a first side opening cavity and a second shell with a second side opening cavity, the first shell and the second shell are integrally arranged, and the two water inlet channels are integrally and alternately arranged in the first side opening cavity of the first shell along the water flow direction;
the second joint is also provided with a third shell with a third side opening cavity and a fourth shell with a fourth side opening cavity, the third shell and the fourth shell are arranged in a connected mode, and one water outlet channel is integrally arranged in the third side opening cavity of the third shell along the water flow direction;
the second shell and the fourth shell are buckled together, and the water flowing cavity is composed of a water inlet channel, a first side opening cavity, a fourth side opening cavity and a water outlet channel.
The check valve capable of preventing water backflow is characterized in that: the first casing is enclosed by two half-arc shell portions and two quarter-arc shell portions and closes the integrative piece that forms, the second casing is enclosed by two half-arc shell portions and two square plate portions and closes the integrative piece that forms, the third casing is cylindrical shell portion, the fourth casing is by the integrative piece that two half-arc shell portions, two square plate portions and trapezoidal platform shell portion constitute.
The check valve capable of preventing water backflow is characterized in that: the first shell, the second shell, the third shell and the fourth shell are all integrated pieces made of hard plastic materials.
The check valve capable of preventing water backflow is characterized in that: the longitudinal rod body is an integrated body made of soft materials, the longitudinal rod body comprises a straight rod part and a frustum annular wall, the straight rod part and the straight rod part side wall extend along the circumferential direction, the straight rod part penetrates through the first through hole, and the large-diameter annular wall part of the frustum annular wall is tightly attached to the hole end face of the first through hole.
The check valve capable of preventing water backflow is characterized in that: the number of the second through holes is three, and the second through holes are distributed on the flat plate body along the circumferential direction with equal radian.
The check valve capable of preventing water backflow is characterized in that: the three second through holes are respectively in the shape of an arc-shaped notch.
As above, the utility model relates to a check valve that can prevent water reflux has following beneficial effect:
after the check valve capable of preventing water backflow is utilized, compared with the prior art, due to the adoption of the structure, when water flows backwards from the water inlet channel to the water outlet channel through the plate and the check piece, the cover plate of the check piece is sealed and closed on the second through hole; thus, the effect of preventing water from flowing backwards can be achieved; further avoid burning out parts such as motor because of water refluence, prolong the life of relevant part, reduce maintenance or cost of maintenance.
The present invention will be further described with reference to the following embodiments.
Drawings
FIG. 1 is a perspective view of a first structure of a check valve capable of preventing a reverse flow of water;
FIG. 2 is another perspective side view of a first structure of a check valve capable of preventing a reverse flow of water;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of a first structure of a check valve capable of preventing a reverse flow of water;
FIG. 5 is a perspective view showing a second structure of a check valve capable of preventing a reverse flow of water.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope of the present invention without affecting the functions and the achievable purposes of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content. The specific structure can be explained with reference to the drawings of the patent application.
In the following embodiments, the left side of the paper surface is the left direction, the right side of the paper surface is the right direction, the upper side of the paper surface is the upper direction, the lower side of the paper surface is the lower direction, the front side perpendicular to the paper surface is the front direction, and the rear side perpendicular to the paper surface is the rear direction.
The utility model provides a check valve that can waterproof refluence, please refer to fig. 1 to 5 and show, it includes:
a first joint 1 having at least one water inlet passage 10;
the second connector 2 is provided with at least one water outlet channel 20, and the second connector 2 is buckled with the first connector 1 to form a running water cavity 21;
the check valve capable of preventing reverse flow of water further comprises the following components,
the plate 3 is provided with a flat plate body 30, a first through hole 31 arranged on the flat plate body 30 and at least one second through hole 32 arranged on the flat plate body and surrounding the first through hole 31, and the flat plate body 30 is buckled on the cavity wall of the first joint 1 or the cavity wall of the second joint 2 in the flowing water cavity 21;
the check member 4 has a cover plate 40 and a longitudinal rod 41 extending along one surface of the cover plate 40, the longitudinal rod 41 is inserted into the first through hole 31, and when water flows backwards from the water inlet passage 10 to the water outlet passage 20, the cover plate 40 is sealed and covered on the second through hole 32. After the check valve capable of preventing water backflow is utilized, compared with the prior art, due to the adoption of the structure, when water flows backwards from the water inlet channel 10 to the water outlet channel 20 through the plate 3 and the check part 4, the cover plate 40 of the check part 4 is sealed and fitted with the second through hole 32; thus, the effect of preventing water from flowing backwards can be achieved; further avoid burning out parts such as motor because of water refluence, prolong the life of relevant part, reduce maintenance or cost of maintenance.
It should be noted that: the first joint 1 of the above-mentioned check valve capable of preventing the reverse flow of water may be an outflow part of water, and the first joint 2 may be an inflow part of water.
With reference to fig. 1, 2 and 3, in this embodiment, two water inlet channels 10 are provided, one water outlet channel 20 is provided, the first joint 1 further includes a first shell 1a with a first side open cavity 100 and a second shell 1b with a second side open cavity 101, the first shell 1a and the second shell 1b are integrally arranged, and the two water inlet channels 10 are integrally arranged in the first side open cavity 100 of the first shell 1a at intervals along a water flow direction;
the second joint 2 is further provided with a third shell 2a with a third side open cavity 200 and a fourth shell 2b with a fourth side open cavity 201, the third shell 2a and the fourth shell 2b are integrally arranged, and one water outlet channel 20 is integrally arranged in the third side open cavity 200 of the third shell 2a along the water flow direction;
the second casing 1b and the fourth casing 2b are buckled together, and the running water cavity 21 is composed of the water inlet channel 10, the first side open cavity 100, the fourth side open cavity 201 and the water outlet channel 20. It should be noted that: the first joint 1 and the second joint 2 in the non-return valve capable of preventing water backflow can be exchanged with respect to the direction of water flow, that is, the first joint 1 of one water inlet channel and the second joints 2 of at least two water outlet channels are used in combination, or the first joints 1 of at least two water inlet channels and the second joints 2 of one water outlet channel are used in combination, or the first joints 1 of at least two water inlet channels and the second joints 2 of at least two water outlet channels are used in combination; meanwhile, the water inlet channel 10 of the first joint 1 can be one, and the water outlet channel 20 of the second joint 2 can be one, which can refer to the structure shown in fig. 5.
Referring to fig. 1 and 3, in the present embodiment, the first casing 1a is a single body enclosed by two half-arc casing portions (not shown, hereinafter both are shown) and two quarter-arc casing portions (not shown, hereinafter both are shown), the second casing 1b is a single body enclosed by two half-arc casing portions and two square plate portions (not shown, hereinafter both are shown), the third casing 2a is a single body enclosed by a cylindrical casing portion (not shown, hereinafter both are shown), and the fourth casing 2b is a single body enclosed by two half-arc casing portions, two square plate portions, and a trapezoidal platform casing portion (not shown, hereinafter both are shown).
Referring to fig. 1, in the present embodiment, the first casing 1a, the second casing 1a, the third casing 2a and the fourth casing 2b are respectively made of a single piece made of hard plastic.
Referring to fig. 3 and 4, in this embodiment, the longitudinal rod 41 is an integrated member made of a soft material, the longitudinal rod 41 includes a straight rod portion 410 and a frustum annular wall 411 extending along a circumferential direction of a side wall of the straight rod portion 410, the straight rod portion 410 is inserted into the first through hole 31, and a large-diameter annular wall portion of the frustum annular wall 411 is tightly attached to an end face of the first through hole 31. The longitudinal rod body 41 with the structure is arranged, when no water flow circulates or the water pressure of water flow is small, the frustum annular wall 411 of the straight rod part 410 can be utilized to firmly attach the whole longitudinal rod body 41 to the hole end face of the first through hole 31, so that good sealing performance is ensured, and the water flow backflow phenomenon is further avoided.
Referring to fig. 3 and 4, in this embodiment, three second through holes 32 are provided, and three second through holes 32 are distributed on the flat plate body 3 along the circumferential direction with an equal radian.
Referring to fig. 4, in the present embodiment, the three second through holes 32 are each in an arc-shaped slot.
As above, the utility model relates to a check valve that can prevent water reflux has following beneficial effect:
after the check valve capable of preventing water backflow is utilized, compared with the prior art, due to the adoption of the structure, when water flows backwards from the water inlet channel to the water outlet channel through the plate and the check piece, the cover plate of the check piece is sealed and closed on the second through hole; thus, the effect of preventing water from flowing backwards can be achieved; further avoid burning out parts such as motor because of water refluence, prolong the life of relevant part, reduce maintenance or cost of maintenance.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A check valve capable of preventing a reverse flow of water, comprising:
a first joint having at least one water inlet channel;
the second connector is provided with at least one water outlet channel and is buckled with the first connector to form a flowing water cavity;
the check valve capable of preventing water from flowing backwards is characterized by further comprising the following components,
the plate is provided with a flat plate body, a first through hole arranged in the flat plate body and at least one second through hole arranged in the flat plate body and surrounding the first through hole, and the flat plate body is buckled on the wall of a first joint cavity or the wall of a second joint cavity in a water flowing cavity;
the anti-stopping piece is provided with a cover plate and a longitudinal rod body extending out from one surface of the cover plate, the longitudinal rod body penetrates through the first through hole, and when water flows backwards from the water inlet channel to the water outlet channel, the cover plate is sealed and closed in the second through hole.
2. The check valve capable of preventing a reverse flow of water according to claim 1, wherein: the water inlet channel and the water outlet channel are arranged in parallel, the first connector is also provided with a first shell with a first side opening cavity and a second shell with a second side opening cavity, the first shell and the second shell are integrally arranged, and the two water inlet channels are integrally and alternately arranged in the first side opening cavity of the first shell along the water flow direction;
the second joint is also provided with a third shell with a third side opening cavity and a fourth shell with a fourth side opening cavity, the third shell and the fourth shell are arranged in a connected mode, and one water outlet channel is integrally arranged in the third side opening cavity of the third shell along the water flow direction;
the second shell and the fourth shell are buckled together, and the water flowing cavity is composed of a water inlet channel, a first side opening cavity, a fourth side opening cavity and a water outlet channel.
3. The check valve capable of preventing a reverse flow of water according to claim 2, wherein: the first casing is enclosed by two half-arc shell portions and two quarter-arc shell portions and closes the integrative piece that forms, the second casing is enclosed by two half-arc shell portions and two square plate portions and closes the integrative piece that forms, the third casing is cylindrical shell portion, the fourth casing is by the integrative piece that two half-arc shell portions, two square plate portions and trapezoidal platform shell portion constitute.
4. The check valve capable of preventing a reverse flow of water according to claim 2, wherein: the first shell, the second shell, the third shell and the fourth shell are all integrated pieces made of hard plastic materials.
5. The check valve capable of preventing a reverse flow of water according to claim 1, 2, 3 or 4, wherein: the longitudinal rod body is an integrated body made of soft materials, the longitudinal rod body comprises a straight rod part and a frustum annular wall, the straight rod part and the straight rod part side wall extend along the circumferential direction, the straight rod part penetrates through the first through hole, and the large-diameter annular wall part of the frustum annular wall is tightly attached to the hole end face of the first through hole.
6. The check valve capable of preventing a reverse flow of water according to claim 1, 2, 3 or 4, wherein: the number of the second through holes is three, and the second through holes are distributed on the flat plate body along the circumferential direction with equal radian.
7. The check valve capable of preventing a reverse flow of water according to claim 6, wherein: the three second through holes are respectively in the shape of an arc-shaped notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021880880.3U CN213575650U (en) | 2020-09-01 | 2020-09-01 | A check valve capable of waterproof backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021880880.3U CN213575650U (en) | 2020-09-01 | 2020-09-01 | A check valve capable of waterproof backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575650U true CN213575650U (en) | 2021-06-29 |
Family
ID=76568917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021880880.3U Active CN213575650U (en) | 2020-09-01 | 2020-09-01 | A check valve capable of waterproof backflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575650U (en) |
-
2020
- 2020-09-01 CN CN202021880880.3U patent/CN213575650U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2587611T3 (en) | Ventilation duct | |
| JP2008543629A5 (en) | ||
| CN213575650U (en) | A check valve capable of waterproof backflow | |
| CN109578640B (en) | Anti-siphon valve and sanitary ware using same | |
| CN210687085U (en) | Check valve, combination valve and hot water system | |
| CN106907684B (en) | Outdoor waterproof lamp of shaking head | |
| CN211232022U (en) | Plug and pipeline connecting assembly | |
| CN218377828U (en) | Body of proportional valve, proportional valve and gas equipment | |
| CN212775744U (en) | Leakage-proof one-way valve | |
| CN211158346U (en) | Simple water pump connector | |
| KR101355209B1 (en) | Integral check valve in the vacuum pump | |
| CN208457271U (en) | A kind of one-way pipeline | |
| CN214889104U (en) | Check valve | |
| CN214148378U (en) | Electricity-proof wall structure | |
| CN221075365U (en) | Water stop valve | |
| CN108301598B (en) | Flow guide pipe and fireproof non-return flow guide valve | |
| CN217176967U (en) | Coal gas pressure-increasing draught fan | |
| CN212744348U (en) | Jet flow jet centrifugal pump with permanent magnet function | |
| CN217633922U (en) | Streamline butterfly valve | |
| CN207049488U (en) | A kind of articulated type pipe component and its flexible pipe being concatenated into | |
| CN218718836U (en) | Solenoid valve and valve mouth, thermal management system and vehicle thereof | |
| JP3679745B2 (en) | Gas cock ball switching valve | |
| CN217784460U (en) | Practical efficient modularization oil pump runner access structure | |
| CN220540385U (en) | One-way joint and tableware treatment equipment | |
| CN219013457U (en) | Pipe fitting connection structure and irrigation timing valve applied by same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |