CN208185530U - Check-valves - Google Patents

Check-valves Download PDF

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Publication number
CN208185530U
CN208185530U CN201820576517.9U CN201820576517U CN208185530U CN 208185530 U CN208185530 U CN 208185530U CN 201820576517 U CN201820576517 U CN 201820576517U CN 208185530 U CN208185530 U CN 208185530U
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China
Prior art keywords
check
stream channel
pipeline section
pedestal
water stream
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Active
Application number
CN201820576517.9U
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Chinese (zh)
Inventor
艾穗江
赵立新
邓海燕
陈国�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Macro Gas Appliance Co Ltd
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Guangdong Macro Gas Appliance Co Ltd
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Priority to CN201820576517.9U priority Critical patent/CN208185530U/en
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Abstract

The utility model relates to supply equipment fields, in particular to a kind of check-valves.The check-valves includes spool and hollow water flow pipes, spool includes pedestal, shaft and non-return structure, water stream channel and connection structure are provided on pedestal, non-return structure is equipped with connector, non-return structure is flexibly connected with pedestal by the movable shaft cooperation for being assemblied in connection structure and connector, and non-return structure is corresponding with the position of water stream channel so that non-return structure can cover water stream channel, pedestal is arranged in water flow pipes.The check-valves can effectively prevent water to flow back, long service life.

Description

Check-valves
Technical field
The utility model relates to supply equipment fields, in particular to a kind of check-valves.
Background technique
There is the check-valves of many types in the market, structure is different, and installation site and method are also inconsistent.But at present Such check-valves, which exists, easily blocks stuck problem.
Utility model content
The purpose of this utility model is to provide a kind of check-valves, it is intended to improve existing in the prior art above-mentioned ask Topic.
The utility model embodiment provides a kind of check-valves, and the check-valves includes spool and hollow water flow pipes, institute Stating spool includes pedestal, shaft and non-return structure;
Water stream channel and connection structure are provided on the pedestal, the non-return structure is equipped with connector;
The non-return structure and the pedestal pass through the movable shaft for being assemblied in the connection structure and the connector Cooperation is flexibly connected, and the non-return structure is corresponding with the position of the water stream channel so that the non-return structure can cover The water stream channel;
The pedestal is arranged in the water flow pipes.
As further, the water flow pipes include the first pipeline section and the second pipeline section, first pipeline section and described second Pipeline section is integrally formed and the bore of first pipeline section is less than the bore of second pipeline section;
One end in second pipeline section close to first pipeline section is arranged in the pedestal, and the non-return structure setting exists Side of the pedestal far from first pipeline section;
First pipeline section can be connected to second pipeline section by the water stream channel.
As further, gasket is provided between the pedestal and first pipeline section and second pipeline section.
It as further, is set in the connection structure there are two connecting ear mount, with respect to setting in described two connection ear mounts It is equipped with connecting groove, the diameter of the shaft is less than the internal diameter of the connecting groove and the connector, the length of the shaft Greater than the distance between described two connection ear mounts;
One end of the shaft is arranged in the connecting groove in a connection ear mount, and the other end passes through the connection On part and the connecting groove being arranged in another described connection ear mount.
As further, the spool further includes telescopic pars contractilis;
One end of the pars contractilis is connect with the non-return structure, and the other end is connect with the pedestal.
As further, the water stream channel includes the first water flow hole and the second water flow hole, first water flow hole with There is fixed structure between second water flow hole, described pars contractilis one end is fixed on the fixed structure.
As further, it is equipped with fixed part close to the side of the water stream channel on the non-return structure, it is described flexible The one end of portion far from the pedestal is fixedly connected with the fixed part.
As further, the side on the pedestal close to the non-return structure is provided with sealing structure, so as to work as institute The water stream channel can be sealed by stating when non-return structure covers the water stream channel.
As further, the sealing structure is set in the water stream channel edge, so as to work as the non-return structure lid Residence can seal the water stream channel when stating water stream channel.
As further, the sealing structure is set in the connection ear mount and enters the connection to avoid impurity substances In groove.
The utility model embodiment provides a kind of check-valves, and the check-valves includes spool and hollow water flow pipes, valve Core includes pedestal, shaft and non-return structure, and water stream channel and connection structure are provided on pedestal, and non-return structure is equipped with connection Part, non-return structure is flexibly connected with pedestal by the movable shaft cooperation for being assemblied in connection structure and connector, and non-return knot Structure is corresponding with the position of water stream channel so that non-return structure can cover water stream channel, and pedestal is arranged in water flow pipes.It should be only Returning valve can effectively prevent water to flow back, long service life.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of check-valves 100 provided by the embodiment of the utility model.
Fig. 2 is a kind of structural schematic diagram of spool 110.
Fig. 3 shows the structural schematic diagram of the check-valves 100 when non-return structure 113 covers water stream channel 1110.
Fig. 4 is the structural schematic diagram at a visual angle of another spool 110.
Fig. 5 is the structural schematic diagram at another visual angle of another spool 110.
Fig. 6 shows another structural schematic diagram of the check-valves 100 when non-return structure 113 covers water stream channel 1110.
Icon: 100- check-valves;110- spool;111- pedestal;1110- water stream channel;1111- connection structure;1113- is solid Determine structure;112- shaft;113- non-return structure;1130- connector;120- water flow pipes;The first pipeline section of 121-;122- second is managed Section;130- gasket;140- pars contractilis;150- sealing structure.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put or those skilled in the art usually understand Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified sets Standby or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply Relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.
There is the check-valves of many types in the market, structure is different, and installation site and method are also inconsistent.But at present Such check-valves, which exists, easily blocks stuck problem, and stuck reason is: existing check-valves is mostly guide rod orientation, when different in water Object is accumulated at guide rod, or back-guiding rod surface scaling is used for a long time, and all guide rod can be caused stuck, return valve function is made to fail.
In order to solve the above-mentioned problems in the prior art, the utility model embodiment provides a kind of check-valves 100. Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of structural schematic diagram of check-valves 100 provided by the embodiment of the utility model.Fig. 2 is A kind of structural schematic diagram of spool 110.
In the utility model embodiment, check-valves 100 includes spool 110 and hollow water flow pipes 120, and spool 110 wraps Pedestal 111, shaft 112 and non-return structure 113 are included, is provided with water stream channel 1110 and connection structure 1111 on pedestal 111.
Non-return structure 113 is equipped with connector 1130, and non-return structure 113 is connect with pedestal 111 by movable be assemblied in Structure 1111 and the cooperation of the shaft of connector 1,130 112 are flexibly connected, and the position phase of non-return structure 113 and water stream channel 1110 It corresponds to so that non-return structure 113 can cover water stream channel 1110, pedestal 111 is arranged in water flow pipes 120.
By non-return structure 113 and pedestal 111 by can-activity is assemblied in turning for connection structure 1111 and connector 1130 The cooperation of axis 112 is flexibly connected, and enables to non-return structure 113 that can rotate around shaft 112, shaft 112 is in connection structure It is rotated on 1111, and then can reduce the stuck probability of the non-return structure 113, non-return structure 113 and water stream channel 1110 Position is corresponding so that non-return structure 113 can cover water stream channel 1110, so that the check-valves 100 can be effectively prevent Water reflux, long service life.
The structure that the check-valves 100 when non-return structure 113 covers water stream channel 1110 please be shown refering to Fig. 3, Fig. 3 is shown It is intended to.
As an implementation, water flow pipes 120 include the first pipeline section 121 and the second pipeline section 122,121 He of the first pipeline section Bore of the bore of the integrated molding of second pipeline section 122 and the first pipeline section 121 less than the second pipeline section 122.
One end in the second pipeline section 122 close to the first pipeline section 121 is arranged in pedestal 111, and non-return structure 113 is arranged in pedestal 111 sides far from the first pipeline section 121, the first pipeline section 121 can be connected to the second pipeline section 122 by water stream channel 1110.
By using above scheme, water flow can enter from the first pipeline section 121, by water stream channel 1110 by non-return structure 113 push open and then enter the second pipeline section 122.When the water of second pipeline section 122 is back to the first pipeline section 121 in advance, in the second pipeline section 122 Water put forth effort on non-return structure 113, non-return structure 113 covers water stream channel 1110, and the water in the second pipeline section 122 cannot flow back To the first pipeline section 121, therefore, which can be effectively prevented water reflux.
In the utility model embodiment, sealing is provided between pedestal 111 and the first pipeline section 121 and the second pipeline section 122 Pad 130.
As a kind of embodiment, gasket 130 is set in pedestal 111 close to one end of the first pipeline section 121.
As another embodiment, gasket 130 is set up directly between pedestal and the first pipeline section 121.
By using above scheme, it can prevent the presence of seam between pedestal 111 and the first pipeline section 121 and the second pipeline section 122 Gap and leak.
As an implementation, it sets in connection structure 1111 there are two ear mount is connected, is set relatively in two connection ear mounts It is equipped with connecting groove, the diameter of shaft 112 is less than the internal diameter of connecting groove and connector 1130, and the length of shaft 112 is greater than two The distance between a connection ear mount.One end of shaft 112 is arranged in the connecting groove in a connection ear mount, and the other end passes through On connector 1130 and the connecting groove being arranged in another connection ear mount.
By using above scheme, shaft 112 passes through connector 1130 and is arranged in connecting groove, the diameter of shaft 112 Less than the internal diameter of connecting groove and connector 1130, enable non-return structure 113 by connector 1130 around the shaft 112 freely Rotation, shaft 112 can be freely rotated in connecting groove so that the check-valves 100 be not easy it is stuck.The length of shaft 112 Degree is greater than the distance between two connection ear mounts, so that shaft 112 is not easily to fall off, so that 110 stable structure of spool.
As another embodiment, connection through-hole, the diameter of 112 one end of shaft are relatively set in two connection ear mounts Less than the internal diameter of connection through-hole and connector 1130, the other end is greater than the internal diameter of connection through-hole and connector 1130.Connector 1130 are arranged between two connection ear mounts, and one end that 112 diameter of shaft is less than the internal diameter of connection through-hole and connector 1130 is worn The connection through-hole of one ear mount, then connector 1130 is worn, it is passing through;The connection through-hole of another ear mount, and then by non-return structure 113 and pedestal 111 be flexibly connected.
As further, one end that 112 diameter of shaft is less than the internal diameter of connection through-hole and connector 1130, which is equipped with, to be fixed Screw thread cooperates fixture nut and fixed thread, so that shaft 112 is not easy to fall off from connection structure 1111.
Fig. 4 and Fig. 5 are please referred to, Fig. 4 is the structural schematic diagram at a visual angle of another spool 110.Fig. 5 is another The structural schematic diagram at another visual angle of kind spool 110.
As an implementation, spool 110 further includes telescopic pars contractilis 140, one end of pars contractilis 140 and non-return Structure 113 connects, and the other end is connect with pedestal 111.
In the utility model embodiment, pars contractilis 140 includes telescopic spring.
By using above scheme, pars contractilis 140 can put forth effort on non-return structure 113 so that non-return structure 113 covers water Circulation road 1110.
Referring to Fig. 6, the another of check-valves 100 that Fig. 6 shows when non-return structure 113 covers water stream channel 1110 is tied Structure schematic diagram.
When the water flow pressure in the first pipeline section 121 is greater than the elastic force of pars contractilis 140, water flow will cover water stream channel 1110 Non-return structure 113 wash open, pars contractilis 140 is in tensional state, and pars contractilis 140 puts forth effort direction towards the to non-return structure 113 One pipeline section 121, and then limit non-return structure 113 at a distance from water stream channel 1110, that is, limit the opening of non-return structure 113 State.When the water in the second pipeline section 122 flows back in advance, side of the non-return structure 113 far from pars contractilis 140 can be put forth effort on, in turn The power for moving non-return structure 113 towards water stream channel 1110 is increased, non-return structure 113 is enabled quickly to cover water stream channel 1110, prevent the water in the second pipeline section 122 from flowing back.
By using above scheme, the effect which prevents water from flowing back is good.
As an implementation, water stream channel 1110 include the first water flow hole and the second water flow hole, the first water flow hole with There is fixed structure 1113 between second water flow hole, 140 one end of pars contractilis is fixed on fixed structure 1113.
In the utility model embodiment, it is equipped with fixed part close to the side of water stream channel 1110 on non-return structure 113, is stretched Contracting portion 140 is fixedly connected far from one end of pedestal 111 with fixed part.
As an implementation, fixed part is arranged on non-return structure 113 in the side of water stream channel 1110 Between.
By using above scheme, pars contractilis 140 is enabled to effectively to put forth effort on non-return structure 113.
In the utility model embodiment, the side on pedestal 111 close to non-return structure 113 is provided with sealing structure 150, So as to which water stream channel 1110 can be sealed when non-return structure 113 covers water stream channel 1110.
As further, sealing structure 150 is set in 1110 edge of water stream channel, so that when non-return structure 113 covers Water stream channel 1110 can be sealed when water stream channel 1110.Sealing structure 150 be set in connection ear mount to avoid impurity substances into Enter in connecting groove.
The scheme that ear mount enters to avoid impurity substances in connecting groove that connects is set in by using sealing structure 150, It is capable of the movable rotating mechanism of effective protection check-valves 100, is set in 1110 edge of water stream channel by using sealing structure 150 Scheme, enable to non-return structure 113 that can seal water stream channel 1110.
In conclusion the utility model embodiment provides a kind of check-valves 100, the check-valves 100 includes spool 110 With hollow water flow pipes 120, spool 110 includes pedestal 111, shaft 112 and non-return structure 113, is provided with water flow on pedestal 111 Channel 1110 and connection structure 1111, non-return structure 113 are equipped with connector 1130, and non-return structure 113 and pedestal 111 pass through can Activity is assemblied in connection structure 1111 and the cooperation of shaft 112 of connector 1130 is flexibly connected, and non-return structure 113 and water flow are logical The position in road 1110 is corresponding so that non-return structure 113 can cover water stream channel 1110, and pedestal 111 is arranged in water flow pipes 120 It is interior.The check-valves 100 can effectively prevent water to flow back, long service life.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of check-valves, which is characterized in that the check-valves includes spool and hollow water flow pipes, and the spool includes bottom Seat, shaft and non-return structure;
Water stream channel and connection structure are provided on the pedestal, the non-return structure is equipped with connector;
The non-return structure and the pedestal are cooperated by the movable shaft for being assemblied in the connection structure and the connector It is flexibly connected, and described in the non-return structure is corresponding with the position of the water stream channel so that the non-return structure can cover Water stream channel;
The pedestal is arranged in the water flow pipes.
2. check-valves according to claim 1, which is characterized in that the water flow pipes include the first pipeline section and the second pipeline section, The bore of first pipeline section and second pipeline section integrated molding and first pipeline section is less than the bore of second pipeline section;
One end in second pipeline section close to first pipeline section is arranged in the pedestal, and the non-return structure is arranged described Side of the pedestal far from first pipeline section;
First pipeline section can be connected to second pipeline section by the water stream channel.
3. check-valves according to claim 2, which is characterized in that the pedestal and first pipeline section and second pipe Gasket is provided between section.
4. check-valves according to claim 1, which is characterized in that connect ear mount, institute there are two setting in the connection structure It states and is relatively set with connecting groove in two connection ear mounts, the diameter of the shaft is less than the connecting groove and the connector Internal diameter, the length of the shaft is greater than the distance between described two connection ear mounts;
One end of the shaft is arranged in the connecting groove in a connection ear mount, and the other end passes through the connector simultaneously It is arranged in the connecting groove in another described connection ear mount.
5. check-valves according to claim 1, which is characterized in that the spool further includes telescopic pars contractilis;
One end of the pars contractilis is connect with the non-return structure, and the other end is connect with the pedestal.
6. check-valves according to claim 5, which is characterized in that the water stream channel includes the first water flow hole and the second water Discharge orifice, there is fixed structure between first water flow hole and second water flow hole, described pars contractilis one end is fixed at institute It states on fixed structure.
7. check-valves according to claim 5, which is characterized in that close to the one of the water stream channel on the non-return structure Side is equipped with fixed part, and the one end of the pars contractilis far from the pedestal is fixedly connected with the fixed part.
8. check-valves according to claim 4, which is characterized in that the side on the pedestal close to the non-return structure is set It is equipped with sealing structure, so as to which the water stream channel can be sealed when the non-return structure covers the water stream channel.
9. check-valves according to claim 8, which is characterized in that the sealing structure is set in the water stream channel side Edge, so as to which the water stream channel can be sealed when the non-return structure covers the water stream channel.
10. check-valves according to claim 8, which is characterized in that the sealing structure be set in the connection ear mount with Impurity substances are avoided to enter in the connecting groove.
CN201820576517.9U 2018-04-20 2018-04-20 Check-valves Active CN208185530U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820576517.9U CN208185530U (en) 2018-04-20 2018-04-20 Check-valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820576517.9U CN208185530U (en) 2018-04-20 2018-04-20 Check-valves

Publications (1)

Publication Number Publication Date
CN208185530U true CN208185530U (en) 2018-12-04

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Application Number Title Priority Date Filing Date
CN201820576517.9U Active CN208185530U (en) 2018-04-20 2018-04-20 Check-valves

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CN (1) CN208185530U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108266548A (en) * 2018-04-20 2018-07-10 广东万家乐燃气具有限公司 Check-valves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108266548A (en) * 2018-04-20 2018-07-10 广东万家乐燃气具有限公司 Check-valves
CN108266548B (en) * 2018-04-20 2024-06-04 广东万家乐燃气具有限公司 Check valve

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