CN207935488U - A kind of check valve with heat preservation mechanism - Google Patents

A kind of check valve with heat preservation mechanism Download PDF

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Publication number
CN207935488U
CN207935488U CN201721874148.3U CN201721874148U CN207935488U CN 207935488 U CN207935488 U CN 207935488U CN 201721874148 U CN201721874148 U CN 201721874148U CN 207935488 U CN207935488 U CN 207935488U
Authority
CN
China
Prior art keywords
valve
heat preservation
outside
preservation mechanism
check valve
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.)
Expired - Fee Related
Application number
CN201721874148.3U
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Chinese (zh)
Inventor
魏成和
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.)
TIANJIN YUANDA VALVE CO Ltd
Original Assignee
TIANJIN YUANDA VALVE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TIANJIN YUANDA VALVE CO Ltd filed Critical TIANJIN YUANDA VALVE CO Ltd
Priority to CN201721874148.3U priority Critical patent/CN207935488U/en
Application granted granted Critical
Publication of CN207935488U publication Critical patent/CN207935488U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of check valves with heat preservation mechanism, including valve body, valve deck and flap, it is covered with heat preservation mechanism outside the check valve, the heat preservation mechanism includes babinet and lock ring, when use, the first half of babinet and lower half cover are connected on the outside of valve, and upper and lower end parts are used in combination by the dovetails with dovetail groove, it is connected together, it ensure that leakproofness, and increase fastness, the first half and lower half are fixed by the closing piece being fastened on outside the extension of both sides, then, it can be firmly fixed on pipeline, it is simple in structure, it is easy for installation;Include insulating layer and vacuum layer in three layers of mechanism in addition, setting the wall for covering on babinet outside valve to three layers of mechanism, insulating layer and vacuum layer all have insulation effect, heat insulation effect preferable.

Description

A kind of check valve with heat preservation mechanism
Technical field
The utility model is related to valve mechanism technical fields, more particularly to a kind of check valve with heat preservation mechanism.
Background technology
Check valve refers to being flowed and automatic open and close flap by medium itself, for the valve for preventing medium from flowing backwards, also known as Non-return valve, check-valves, reflux valve and counterbalance valve.Check valve belongs to a kind of automatic valve, and main function is to prevent medium from falling It flows, prevent pump and drive motor reversion and vessel media from releasing.
When use in winter, needs in pipeline and the part installation insulating layer of valve is installed to avoid being damaged by frost, To influence normal use, when the warming common heat-preservation cotton of preceding pipeline, however, the heat preservation for valve portion, because its structure is multiple It is miscellaneous, without good heat preserving mode, seriously affect the use of equipment.
Utility model content
The purpose of this utility model is to provide a kind of check valve with heat preservation mechanism, to solve currently for pacifying on pipeline The problem of valve portion of dress is without good heat preserving mode.
For realization the purpose of this utility model, the utility model provides a kind of check valve with heat preservation mechanism, including Valve body, valve deck and flap, are covered with heat preservation mechanism outside the check valve, and the heat preservation mechanism includes babinet and lock ring, described Babinet includes the first half of symmetrical structure setting and lower half, the first half include middle part and the extension of both sides, institute It states middle part to cover on outside valve, extension covers on the outside of the pipeline being connected, and the middle part and extension are arc Structure, the first half and lower board unit are used in combination, and are fixed using lock ring outside the extension of both sides, under the lock ring End opening and it is provided with engaging lug, the engaging lug of both sides is bolted to connection, the joint face of the first half and lower half On be provided with clamping structure, dovetails are provided on the upper surface of the lower half, correspondingly, on the lower face of the first half It is provided with dovetail groove, the dovetails are used in combination with dovetail groove, and the wall of the middle part of the babinet includes ecto-entad Shell, middle shell and inner casing are heat-insulation chamber between the shell and middle shell, are filled with thermal insulation material, the middle shell and inner casing it Between be vacuum chamber.
Wherein, the thermal insulation material is mineral wool.
Wherein, the valve deck is bolted with valve body, and the flap is articulated and connected by swing arm and body cavity.
Compared with prior art, the beneficial effects of the utility model are, when use, by the first half and lower half of babinet Portion's cover is connected on the outside of valve, and upper and lower end parts are used in combination by the dovetails with dovetail groove, are connected together, be ensure that Leakproofness, and increase fastness, the first half and lower half are fixed by the closing piece being fastened on outside the extension of both sides, It is then possible to be firmly fixed on pipeline, it is simple in structure, it is easy for installation;In addition, the babinet outside valve will be covered on Wall is set as three layers of mechanism, includes insulating layer and vacuum layer in three layers of mechanism, and insulating layer and vacuum layer all have insulation effect, protect Temp effect is preferable.
Description of the drawings
Fig. 1 show the structural schematic diagram of embodiments herein;
Fig. 2 show the structural schematic diagram of the enlarging section of embodiments herein;
Fig. 3 show the structural schematic diagram of the heat preservation mechanism of the application;
Fig. 4 show the structural schematic diagram of two portion connecting structures of the heat preservation mechanism of the application or more;
Fig. 5 show the structural schematic diagram of the lock ring of the application;
In figure, 1- ring flanges, 2- valve bodies, 3- valve decks, 4- bolts, 5- lacing films, 6- swing arms, 7- tension springs, 8- flaps, 9- amplifications Portion, 10- vacuum chambers, 11- thermal insulation materials, 12- lock rings, 13- extensions, 14- pipelines, 15- bolts, 16- solar panels, 17- ring-type heating tanks, 18- controllers.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
It should be noted that " connection " described herein and the word for expressing " connection ", as " being connected ", " connected " etc. was both directly connected to another component including a certain component, and also passed through other component and another portion including a certain component Part is connected.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.
As Figure 1-Figure 5, the utility model provides a kind of check valve with heat preservation mechanism, including valve body, valve deck And flap, heat preservation mechanism is covered with outside the check valve, the heat preservation mechanism includes babinet and lock ring, and the babinet includes pair The first half and lower half, the first half for claiming structure setting include middle part and the extension of both sides, the middle part cover Outside valve, extension covers on the outside of the pipeline that is connected, and the middle part and extension are arcuate structure, it is described on Half portion and lower board unit are used in combination, and are fixed using lock ring outside the extensions of both sides, the lock ring lower ending opening and are set It is equipped with engaging lug, the engaging lug of both sides is bolted to connection, and card is provided on the joint face of the first half and lower half Binding structure is provided with dovetails on the upper surface of the lower half, correspondingly, dovetail is provided on the lower face of the first half Slot, the dovetails are used in combination with dovetail groove, the wall of the middle part of the babinet include the shell of ecto-entad, middle shell with And inner casing, it is heat-insulation chamber between the shell and middle shell, is filled with thermal insulation material, is vacuum chamber between the middle shell and inner casing.
Wherein, the thermal insulation material is mineral wool.
When use, the first half of babinet and lower half cover are connected on the outside of valve, and upper and lower end parts pass through the swallow Tail block is used in combination with dovetail groove, is connected together, and ensure that leakproofness, and increase fastness, the first half is under Half portion is fixed by the closing piece being fastened on outside the extension of both sides, it is then possible to be firmly fixed on pipeline, structure Simply, easy for installation;Include heat preservation in three layers of mechanism in addition, setting the wall for covering on babinet outside valve to three layers of mechanism Layer and vacuum layer, insulating layer and vacuum layer all have insulation effect, heat insulation effect preferable.
In addition, the check valve of the application, including valve body 2, valve deck 3 and flap 8, the valve deck 3 pass through bolt with valve body 2 Connection, body cavity media inlet channel side is provided with the flap 8 for being tightly connected with media inlet channel, described Flap 8 is articulated and connected by swing arm 6 and body cavity, and the section of the flap 8 includes cylindrical section and conical section, connected to it The wall of media inlet channel equally includes cylindrical section and conical section, and is covered when closing, the cylindrical section of flap 8 and media inlet channel Cylindrical section is tightly connected, and the conical section of flap 8 and the conical section of media inlet channel are tightly connected.
Above structure cylindrical section and cylindrical section can seal, and conical section and conical section can seal, and sealing effect is more preferable, separately Outside, such structure so that flap forms torrent when covering conjunction at sealing, can play and make to the cleaning at sealing With so that sealing effect is more preferable.
In addition, being connected with tension spring between the swing arm 6 and body cavity wall, tension spring 7 is set, valve clack cover can be helped to close, Pulling force makes the better tightness that lid closes.
In addition, increasing following improved structure, the swing arm 6 is bending structure, and bending part is provided with mounting hole, is connecting Lacing film 5 is hinged on the wall of the respective side of swing arm 6, one end of the lacing film 5 is hinged with body cavity, and the other end is provided with fixation Hole, lacing film mounting hole are fixedly connected with the mounting hole of swing arm by axis pin.
Current non-return valve function is relatively simple, and setting above structure is not necessarily to when need not use check function It dismantles check valve, it is only necessary to open valve deck, swing arm is lifted so that the mounting hole alignment of the mounting hole and lacing film of swing arm, profit Two mounting holes are passed through with axis pin so that flap lifts, and medium can smoothly pass through from check valve, if necessary to using single To valve function if, removed by axis pin.
In addition, in order to enhance leakproofness, valve deck lower face is provided with externally threaded annular flange, corresponding position Valve body on be provided with female annular groove, the annular flange is used in combination with annular groove.Valve deck and valve Body was both connected through a screw thread, and further through being bolted, therefore, the leakproofness of connection is preferable.
In addition, connecting out outside with flap in the valve body left end is provided with heating mechanism, the heating mechanism includes too Positive energy solar panel, controller and heating rod, the solar panels are connect with controller, and controller is connect with heating rod, described Cyclic annular heating tank is offered on valve body, heating liquid is arranged inside, and the heating rod is inserted into heating liquid, and the controller includes Solar controller and accumulator group, inverter, these components are outsourcing, and above structure is arranged, solves flap and valve Body junction is easy to deposit dirty problem.
Although each conception of species has already been described in detail, it will be appreciated by a person skilled in the art that for the various of those concepts What modifications and substitutions can be achieved under the spirit disclosed by the utility model integrally instructed.Those skilled in the art are with general Logical technology can realize the utility model illustrated in detail in the claims without undue experimentation.It can be with Understand, disclosed specific concept is merely illustrative, is not intended to limit the scope of the utility model, this practicality is new The range of type is determined by the full scope of the appended claims and its equivalent program.

Claims (3)

1. a kind of check valve with heat preservation mechanism, including valve body, valve deck and flap, which is characterized in that outside the check valve Portion is covered with heat preservation mechanism, and the heat preservation mechanism includes babinet and lock ring, the babinet include symmetrical structure setting the first half and Lower half, the first half include middle part and the extension of both sides, and the middle part covers on outside valve, and extension covers on On the outside of the pipeline that is connected, the middle part and extension are arcuate structure, and the first half and lower board unit, which match, to be made With being fixed using lock ring outside the extension of, both sides, the lock ring lower ending opening and it is provided with engaging lug, the connection of both sides Ear is bolted to connection, and is provided with clamping structure on the joint face of the first half and lower half, the lower half it is upper It is provided with dovetails on end face, correspondingly, dovetail groove, the dovetails and dovetail groove are provided on the lower face of the first half It is used in combination, the wall of the middle part of the babinet includes the shell of ecto-entad, middle shell and inner casing, the shell and middle shell Between be heat-insulation chamber, be filled with thermal insulation material, between the middle shell and inner casing be vacuum chamber.
2. a kind of check valve with heat preservation mechanism according to claim 1, which is characterized in that the thermal insulation material is glass Glass cotton.
3. a kind of check valve with heat preservation mechanism according to claim 1, which is characterized in that the valve deck is logical with valve body It crosses and is bolted, the flap is articulated and connected by swing arm and body cavity.
CN201721874148.3U 2017-12-27 2017-12-27 A kind of check valve with heat preservation mechanism Expired - Fee Related CN207935488U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721874148.3U CN207935488U (en) 2017-12-27 2017-12-27 A kind of check valve with heat preservation mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721874148.3U CN207935488U (en) 2017-12-27 2017-12-27 A kind of check valve with heat preservation mechanism

Publications (1)

Publication Number Publication Date
CN207935488U true CN207935488U (en) 2018-10-02

Family

ID=63647549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721874148.3U Expired - Fee Related CN207935488U (en) 2017-12-27 2017-12-27 A kind of check valve with heat preservation mechanism

Country Status (1)

Country Link
CN (1) CN207935488U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181002

Termination date: 20191227

CF01 Termination of patent right due to non-payment of annual fee