CN214579079U

CN214579079U - Anti-freezing check valve

Info

Publication number: CN214579079U
Application number: CN202023168046.4U
Authority: CN
Inventors: 钟上明
Original assignee: Shanghai Mianjiang Hvac Equipment Co ltd
Current assignee: Shanghai Mianjiang Hvac Equipment Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-02
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a type check valve prevents frostbite, which comprises a valve body, the inner chamber fixedly connected with connecting pipe of valve body, the inner wall fixedly connected with connecting block of valve body, the bottom of connecting block has the valve clack through pivot swing joint, the left side at valve body top is run through and is provided with the temperature sensor, the bottom of temperature sensor run through to the inner chamber of valve body and with valve body threaded connection, the surface of valve body and the left side cover that is located the temperature sensor are equipped with the heating ring, the inner chamber fixedly connected with heater strip of heating ring, the top fixedly connected with controller of heating ring. The utility model discloses possessing the advantage of preventing frostbite and ending rivers, having solved current check valve function singleness, not having frost-proof function, in chilly winter, the inside water source of valve freezes, causes the jam of valve, causes the damage of valve when serious, does not have the function of ending rivers simultaneously, has reduced the suitability of check valve, the problem that the people of being not convenient for used.

Description

Anti-freezing check valve

Technical Field

The utility model relates to a check valve technical field specifically is an anti-freezing type check valve.

Background

The check valve is a valve whose opening and closing part is a circular valve flap and acts by its own weight and medium pressure to block the medium from flowing backwards, and belongs to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve, and the valve flap motion mode is divided into lifting type and swing type.

The existing check valve has a single function and does not have an anti-freezing function, in cold winter, a water source inside the valve is frozen to cause the blockage of the valve, the valve is damaged seriously, and meanwhile, the function of stopping water flow is not provided, so that the applicability of the check valve is reduced, and people cannot use the check valve conveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a type check valve prevents frostbite possesses the advantage of preventing frostbite and ending rivers, has solved current check valve function singleness, does not have frost-proof function, and in chilly winter, the inside water source of valve freezes, causes the jam of valve, causes the damage of valve when serious, does not have the function by rivers simultaneously, has reduced the suitability of check valve, the problem that people used not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-freezing check valve comprises a valve body, wherein a connecting pipe is fixedly connected to the inner cavity of the valve body, a connecting block is fixedly connected to the inner wall of the valve body, a valve clack is movably connected to the bottom of the connecting block through a rotating shaft, a water temperature sensor is arranged on the left side of the top of the valve body in a penetrating mode, the bottom of the water temperature sensor is arranged in a penetrating mode to the inner cavity of the valve body and in threaded connection with the valve body, a heating ring is sleeved on the surface of the valve body and on the left side of the water temperature sensor, a heating wire is fixedly connected to the inner cavity of the heating ring, a controller is fixedly connected to the top of the heating ring, a rotating rod is arranged on the top of the valve body in a penetrating mode, a threaded rod is fixedly connected to the inner cavity of the valve body, a threaded pipe is sleeved on the bottom of the threaded rod, an extrusion block is fixedly connected to the bottom of the threaded pipe, guide grooves are formed in the tops of two sides of the inner cavity of the valve body, the equal fixedly connected with guide bar in top of screwed pipe both sides, the one end that the screwed pipe was kept away from to the guide bar extends to the inner chamber of guide way and with guide way swing joint.

Preferably, the top of valve body is through the sealed clamping ring of bolt fixedly connected with, the bottom of bolt run through sealed clamping ring and valve body in proper order and with valve body threaded connection, the top fixedly connected with hand wheel of bull stick.

Preferably, a bearing is arranged at the joint of the rotating rod and the valve body, an inner ring of the bearing is fixedly sleeved on the surface of the rotating rod, and an outer ring of the bearing is fixedly connected with the valve body.

Preferably, both sides of the valve body are fixedly connected with mounting flanges, and mounting holes are formed in the surfaces of the mounting flanges.

Preferably, the left side of the valve clack is fixedly connected with a sealing gasket, and the left side of the sealing gasket is in contact with the right side of the connecting pipe.

Preferably, the surface cover of water temperature sensor is equipped with the sealing washer, the bottom and the top contact of valve body of sealing washer.

Preferably, the battery is fixedly connected to the left side of the top of the heating ring, the output ends of the battery and the water temperature sensor are electrically connected with the controller, and the output end of the controller is electrically connected with the heating wire.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a valve body, the connecting pipe, the connecting block, the valve clack, the temperature sensor, the heating ring, the heater strip, a controller, the threaded rod, the screwed pipe, the extrusion piece, guide way and guide bar cooperate, possess the advantage of preventing frostbite and ending rivers, current check valve function singleness has been solved, do not have frost-proof function, in chilly winter, the inside water source of valve freezes, cause the jam of valve, cause the damage of valve when serious, do not have the function by rivers simultaneously, the suitability of check valve has been reduced, the problem that people not convenient for used.

2. The utility model discloses a set up sealed clamping ring, can seal the junction of bull stick and valve body, avoid here leakage water source, through setting up the hand wheel, it is rotatory to be convenient for drive the bull stick, through setting up the bearing, can support the bull stick, the rotation of the bull stick of being convenient for, through setting up mounting flange and mounting hole, the valve body of being convenient for is connected with outside pipeline, through setting up sealed the pad, the leakproofness between valve clack and the connecting pipe has been strengthened, can be better seal the connecting pipe, through setting up the sealing washer, can seal between temperature sensor and the valve body, avoid here leakage water source, through setting up guide bar and guide way, can lead to the screwed pipe, the vertical removal of the screwed pipe of being convenient for.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a schematic sectional view of the heating ring and the heating wire of the present invention;

fig. 4 is a right side view of the structure of the present invention.

In the figure: the device comprises a valve body 1, a connecting pipe 2, a connecting block 3, a valve clack 4, a water temperature sensor 5, a heating ring 6, a heating wire 7, a controller 8, a threaded rod 9, a threaded pipe 10, an extrusion block 11, a guide groove 12, a guide rod 13, a sealing press ring 14, a hand wheel 15, a bearing 16, a mounting flange 17, a mounting hole 18, a sealing ring 19, a rotating rod 20 and a battery 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a valve body 1, connecting pipe 2, connecting block 3, valve clack 4, water temperature sensor 5, heating ring 6, heater strip 7, controller 8, threaded rod 9, screwed pipe 10, extrusion piece 11, guide way 12, guide bar 13, sealed clamping ring 14, hand wheel 15, bearing 16, mounting flange 17,

mounting hole

18 and 19 parts of sealing washer are the parts that general standard or technical personnel in the field know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

Referring to fig. 1-4, an anti-freezing check valve comprises a valve body 1, a connecting pipe 2 is fixedly connected to an inner cavity of the valve body 1, a connecting block 3 is fixedly connected to an inner wall of the valve body 1, a valve flap 4 is movably connected to the bottom of the connecting block 3 through a rotating shaft, a water temperature sensor 5 is arranged on the left side of the top of the valve body 1 in a penetrating manner, the bottom of the water temperature sensor 5 penetrates through the inner cavity of the valve body 1 and is in threaded connection with the valve body 1, a heating ring 6 is sleeved on the surface of the valve body 1 and positioned on the left side of the water temperature sensor 5, a heating wire 7 is fixedly connected to the inner cavity of the heating ring 6, a controller 8 is fixedly connected to the top of the heating ring 6, a rotating rod 20 is arranged on the top of the valve body 1 in a penetrating manner, the bottom of the rotating rod 20 penetrates through the inner cavity of the valve body 1 and is fixedly connected with a threaded rod 9, a threaded pipe 10 is sleeved on the bottom of the threaded rod 9 in a threaded sleeve manner, and an extrusion block 11 is fixedly connected to the bottom of the threaded pipe 10, the top of the two sides of the inner cavity of the valve body 1 is provided with a guide groove 12, the top of the two sides of the threaded pipe 10 is fixedly connected with a guide rod 13, one end of the guide rod 13, far away from the threaded pipe 10, extends to the inner cavity of the guide groove 12 and is movably connected with the guide groove 12, the threaded pipe 10 can be guided by arranging the guide rod 13 and the guide groove 12, the threaded pipe 10 can move vertically conveniently, the top of the valve body 1 is fixedly connected with a sealing press ring 14 through a bolt, the bottom of the bolt sequentially penetrates through the sealing press ring 14 and the valve body 1 and is in threaded connection with the valve body 1, the top of the rotating rod 20 is fixedly connected with a hand wheel 15, the connecting part of the rotating rod 20 and the valve body 1 can be sealed by arranging the sealing press ring 14, water leakage at the connecting part is avoided, the rotating rod 20 is conveniently driven to rotate by arranging the hand wheel 15, the connecting part of the rotating rod 20 and the valve body 1 is provided with a bearing 16, and an inner ring of the bearing 16 is fixedly sleeved on the surface of the rotating rod 20, the outer ring of the bearing 16 is fixedly connected with the valve body 1, the rotating rod 20 can be supported by arranging the bearing 16, the rotating rod 20 can rotate conveniently, the mounting flanges 17 are fixedly connected to the two sides of the valve body 1, the mounting holes 18 are formed in the surfaces of the mounting flanges 17, the valve body 1 can be connected with an external pipeline conveniently by arranging the mounting flanges 17 and the mounting holes 18, the left side of the valve clack 4 is fixedly connected with a sealing gasket, the left side of the sealing gasket is in contact with the right side of the connecting pipe 2, the sealing performance between the valve clack 4 and the connecting pipe 2 is enhanced by arranging the sealing gasket, the connecting pipe 2 can be better sealed, a sealing ring 19 is sleeved on the surface of the water temperature sensor 5, the bottom of the sealing ring 19 is in contact with the top of the valve body 1, the water between the water temperature sensor 5 and the valve body 1 can be sealed by arranging the sealing ring 19, water leakage at the position is avoided, a battery 21 is fixedly connected to the left side of the top of the heating ring 6, the output of battery 21 and water temperature sensor 5 all is connected with controller 8 electricity, controller 8's output is connected with heater strip 7 electricity, through valve body 1, connecting pipe 2, connecting block 3, valve clack 4, water temperature sensor 5, heating ring 6, heater strip 7, controller 8, threaded rod 9, screwed pipe 10, extrusion piece 11, guide way 12 and guide bar 13 cooperate, possess the advantage of preventing frostbite and ending rivers, the current check valve function singleness of having solved, do not have frost-proof function, in chilly winter, the inside water source of valve freezes, cause the jam of valve, cause the damage of valve when serious, do not have the function of ending rivers simultaneously, the suitability of check valve has been reduced, the problem of not being convenient for people to use.

During the use, the water source gets into from the left side of valve body 1, rivers promote the rotation of valve clack 4 and open, the water source is discharged from the valve body 1 right side, detect the water source temperature through temperature sensor 5, if the temperature reaches 0 degree or below, feed back information to controller 8, controller 8 control heater strip 7 operation is to the surface heating of valve body 1, thereby can avoid 1 inner chamber water source of valve body to freeze, when ending rivers, rotatory hand wheel 15 drives bull stick 20 rotatory, through bull stick 20 and screwed pipe 10 threaded connection, make screwed pipe 10 drive extrusion block 11 and move down, make extrusion block 11 and valve clack 4 contact, thereby fix valve clack 4, valve clack 4 seals connecting pipe 2.

In summary, the following steps: this type check valve prevents frostbite, through valve body 1, connecting pipe 2, connecting block 3, valve clack 4, water temperature sensor 5, heating ring 6, heater strip 7, controller 8, threaded rod 9, screwed pipe 10, extrusion block 11, guide way 12 and guide bar 13 cooperate, current check valve function singleness has been solved, do not have frost-proof function, in chilly winter, the inside water source of valve freezes, cause the jam of valve, cause the damage of valve when serious, do not have the function by rivers simultaneously, the suitability of check valve has been reduced, the problem of the people's use of not being convenient for.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-freezing check valve comprises a valve body (1), and is characterized in that: the inner chamber fixedly connected with connecting pipe (2) of valve body (1), the inner wall fixedly connected with connecting block (3) of valve body (1), the bottom of connecting block (3) has valve clack (4) through pivot swing joint, the left side at valve body (1) top is run through and is provided with temperature sensor (5), the bottom of temperature sensor (5) run through to the inner chamber of valve body (1) and with valve body (1) threaded connection, the surface of valve body (1) just is located the left side cover of temperature sensor (5) and is equipped with heating ring (6), the inner chamber fixedly connected with heater strip (7) of heating ring (6), the top fixedly connected with controller (8) of heating ring (6), the top of valve body (1) is run through and is provided with bull stick (20), the bottom of bull stick (20) runs through to the inner chamber and the fixedly connected with threaded rod (9) of valve body (1), the bottom screw thread cover of threaded rod (9) is equipped with screwed pipe (10), the bottom fixedly connected with extrusion piece (11) of screwed pipe (10), guide way (12) have all been seted up at the top of valve body (1) inner chamber both sides, the equal fixedly connected with guide bar (13) in top of screwed pipe (10) both sides, the one end that screwed pipe (10) were kept away from in guide bar (13) extends to the inner chamber of guide way (12) and with guide way (12) swing joint.

2. The check valve of claim 1, wherein: the top of valve body (1) is through bolt fixedly connected with sealed clamping ring (14), the bottom of bolt run through sealed clamping ring (14) and valve body (1) in proper order and with valve body (1) threaded connection, the top fixedly connected with hand wheel (15) of bull stick (20).

3. The check valve of claim 1, wherein: the connecting part of the rotating rod (20) and the valve body (1) is provided with a bearing (16), the inner ring of the bearing (16) is fixedly sleeved on the surface of the rotating rod (20), and the outer ring of the bearing (16) is fixedly connected with the valve body (1).

4. The check valve of claim 1, wherein: the two sides of the valve body (1) are fixedly connected with mounting flanges (17), and mounting holes (18) are formed in the surfaces of the mounting flanges (17).

5. The check valve of claim 1, wherein: the left side fixedly connected with of valve clack (4) is sealed to fill up, and the left side that fills up contacts with the right side of connecting pipe (2).

6. The check valve of claim 1, wherein: the surface cover of water temperature sensor (5) is equipped with sealing washer (19), the bottom of sealing washer (19) and the top contact of valve body (1).

7. The check valve of claim 1, wherein: the left side fixedly connected with battery (21) at heating ring (6) top, the output of battery (21) and temperature sensor (5) all is connected with controller (8) electricity, the output and heater strip (7) electricity of controller (8) are connected.