CN219588253U

CN219588253U - Anti-freezing valve

Info

Publication number: CN219588253U
Application number: CN202320627215.0U
Authority: CN
Inventors: 祝正华
Original assignee: Shanghai Lidea Solenoid Valve Co ltd
Current assignee: Shanghai Lidea Solenoid Valve Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-25
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to the technical field of valves, in particular to an anti-freezing valve, which comprises an anti-freezing box, wherein an inner cavity of the anti-freezing box is divided into a heat preservation chamber and an element chamber by a heat insulation plate; the front side wall and the rear side wall of the antifreezing box are respectively provided with a first ventilation hole, the inner sides of the front side wall and the rear side wall of the heat preservation chamber are respectively provided with a baffle plate for plugging the corresponding first ventilation holes in a front-back sliding manner, one side of the baffle plate, which is far away from the corresponding first ventilation holes, is fixedly provided with a connecting plate, the connecting plate is provided with a chute, and the chute is acted on when the sliding shaft moves up and down so as to drive the baffle plate to move back and forth; when the temperature in the heat preservation chamber is lower than the preset temperature, the heating pipe is used for heating the heat preservation chamber, and meanwhile, the electric cylinder stretches to enable the first air holes and the second air holes to be closed, so that the heating efficiency of the heating pipe on the heat preservation chamber is improved.

Description

Anti-freezing valve

Technical Field

The utility model relates to the technical field of valves, in particular to an anti-freezing valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling the parameters of the conveying medium. The valve is placed outdoors in winter, if heat preservation is not carried out, the medium in the valve can be frozen, so that the valve is difficult to use, and even the valve is frozen seriously, so that the service life of the valve is reduced.

The utility model patent with the application number of CN202023123699.0 discloses a valve with good anti-freezing effect, which comprises an anti-freezing box, wherein the top of the anti-freezing box is rotationally connected with a hand wheel, the bottom of the hand wheel is fixedly connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a valve cover, the bottom of the valve cover is fixedly connected with a connecting plate, the inside of the connecting plate is connected with a bolt in a penetrating manner, the bottom of the connecting plate is fixedly connected with a valve body, the bottom of the valve body is fixedly connected with a pipeline, one side of the pipeline is fixedly connected with a mounting plate, the surface of the top of the anti-freezing box is fixedly connected with a controller, the bottom of the controller is fixedly connected with a conduit, the bottom of the conduit is fixedly connected with a connector, the bottom of the connector is fixedly connected with a conducting column, the bottom of the conducting column is fixedly connected with a heating wire, and the inside of the anti-freezing box is provided with a vent. Through setting up controller, heater and heat preservation cotton, can heat the pipeline through the heater, promote the temperature in the case that prevents frostbite, can adjust the temperature in the case that prevents frostbite through ventilation hole and controller, prevent that the temperature in the case from being too high, damage the equipment in the case that prevents frostbite.

However, the valve with good anti-freezing effect is not provided with a device for plugging the vent hole, and the vent hole is in a normally open state, so that heat in the anti-freezing box is continuously emitted outwards, the heating efficiency of the heating wire is reduced, and the energy consumption is increased.

Disclosure of Invention

The utility model aims to solve the technical problem of low heating efficiency caused by the fact that ventilation holes are in a normally open state in the prior art by providing an anti-freezing valve, and the opening and closing of ventilation holes are adjustable.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an anti-freezing valve, includes the anti-freezing case, the fixed mounting has the heat insulating board in the anti-freezing case, the heat insulating board will the inner chamber of anti-freezing case is divided into the heat insulating room that is located the top and the component room that is located the below, be equipped with the valve body in the heat insulating room, the inlet end and the play liquid end of valve body are fixed mounting respectively have the connecting pipe, be equipped with the preformed hole that supplies the connecting pipe to wear out on the left and right sides wall of anti-freezing case respectively, the top fixed mounting of heat insulating board has the heating pipe; the anti-freezing box is characterized in that first ventilation holes communicated with the heat preservation chamber are respectively formed in the front side wall and the rear side wall of the heat preservation chamber, a baffle plate for plugging the corresponding first ventilation holes is respectively arranged on the inner sides of the front side wall and the rear side wall of the heat preservation chamber in a front-rear sliding mode, a connecting plate is fixedly arranged on one side, far away from the corresponding first ventilation holes, of the baffle plate, a chute which is arranged in a left-right penetrating mode is arranged on the connecting plate, a connecting rod is vertically and slidably arranged on the heat preservation chamber, a sliding shaft matched with the chute is fixedly arranged on the connecting rod, the sliding shaft acts on the chute to drive the baffle plate to move front and back when moving up and down, and a driving part for driving the connecting rod to move up and down is arranged in the element chamber.

As a further improvement, the horizontal distance between the high end of the chute and the baffle is greater than the horizontal distance between the low end of the chute and the baffle; the heat insulation plate is provided with a second air vent for communicating the heat insulation chamber and the element chamber, the lower end of the connecting rod extends into the element chamber and is fixedly provided with a lifting plate for blocking the second air vent, and when the lifting plate is attached to the bottom of the heat insulation plate to block the second air vent, the baffle is attached to the corresponding inner wall of the heat insulation chamber and blocks the first air vent; the device is characterized in that a fan is fixedly arranged in the element chamber, air flow flowing from bottom to top is generated when the fan works, and an air inlet hole communicated with the element chamber is formed in the bottom wall of the anti-freezing box.

As a further improvement, the lifting plate is provided with ventilation holes, and the ventilation holes and the second ventilation holes are arranged in a staggered mode.

As a preferable technical scheme, the driving component is an electric cylinder installed in the element chamber, a piston rod of the electric cylinder extends vertically upwards, and the piston rod of the electric cylinder is fixedly installed at the bottom of the lifting plate.

As a further improvement, sliding rods extending forwards and backwards are fixedly arranged on the inner sides of the front side wall and the rear side wall of the heat preservation chamber respectively, and the baffle plates are slidably arranged on the corresponding sliding rods.

After the technical scheme is adopted, the utility model has the beneficial effects that:

(1) When the temperature in the heat preservation chamber is lower than the preset temperature, the heating pipe is used for heating the heat preservation chamber, and the electric cylinder is stretched to close the first ventilation holes and the second ventilation holes, so that the heating efficiency of the heating pipe on the heat preservation chamber is improved;

(2) When the temperature in the heat preservation chamber is higher than the preset temperature, the electric cylinder is contracted, the first air holes and the second air holes are opened, then the fan is started, and external cold air sequentially enters the heat preservation chamber through the air inlet holes and the second air holes and is discharged from the first air holes, so that heat dissipation of the heat preservation chamber is accelerated.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is a schematic structural view of an antifreeze case according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of A-A in FIG. 3;

fig. 5 is a schematic top view of an insulating panel according to an embodiment of the present utility model.

In the figure: 1-an antifreezing box; 2-half shells; 3-top cover; 4-a bottom cover; 5-insulating board; 6-a heat preservation chamber; 7-element chamber; 8-valve body; 9-connecting pipes; 10-preformed holes; 11-a first ventilation hole; 12-baffle; 13-connecting plates; 14-chute; 15-heating pipes; 16-connecting rod; 17-sliding shaft; 18-a second ventilation hole; 19-lifting plates; 20-an electric motor; 21-leaf; 22-an air inlet hole; 23-ventilation holes; 24-electric cylinder; 25-slide bar.

Detailed Description

As shown in fig. 1 to 5, an anti-freezing valve comprises an anti-freezing box 1, wherein the anti-freezing box 1 comprises two half shells 2, a top cover 3 and a bottom cover 4 which are arranged in a front-back symmetrical mode, the two half shells 2 surround into a rectangular straight cylinder, the top cover 3 and the bottom cover 4 respectively seal the upper end and the lower end of the two half shells 2, and the two half shells 2, the top cover 3 and the bottom cover 4 are respectively fixed through bolts, so that the anti-freezing valve is convenient to assemble. The inner wall of the antifreeze box 1 is provided with an insulating layer, so that the insulating effect is improved.

As shown in fig. 2 to 4, a horizontal heat insulation plate 5 is fixedly arranged in the anti-freezing box 1 through bolts, the heat insulation plate 5 divides the inner cavity of the anti-freezing box 1 into an upper heat insulation chamber 6 and a lower element chamber 7, a valve body 8 is arranged in the heat insulation chamber 6, a liquid inlet end and a liquid outlet end of the valve body 8 are respectively fixedly provided with a connecting pipe 9 through bolts, left and right side walls of the anti-freezing box 1 are respectively provided with a preformed hole 10 for the connecting pipe 9 to penetrate out, the preformed hole 10 is arranged between the two half shells 2, the top of the heat insulation plate 5 is fixedly provided with a heating pipe 15, and a mounting seat of the heating pipe 15 is fixed at the top of the heat insulation plate 5 through bolts; a plurality of first air holes 11 communicated with a heat preservation chamber 6 are uniformly distributed on the front side wall and the rear side wall of the anti-freezing chamber 1 respectively, a baffle 12 for sealing the corresponding first air holes 11 is arranged on the inner sides of the front side wall and the rear side wall of the heat preservation chamber 6 in a front-back sliding mode respectively, two connecting plates 13 which are oppositely arranged left and right are fixedly arranged on one sides of the baffle 12 far away from the corresponding first air holes 11 through bolts, a chute 14 which is arranged in a left-right penetrating mode is arranged on each connecting plate 13, a sliding hole which is vertically arranged in a penetrating mode is arranged on each heat preservation plate 5, sliding holes are in one-to-one correspondence with the connecting plates 13, a connecting rod 16 is vertically arranged in each sliding hole in a sliding mode, a sliding shaft 17 matched with the chute 14 is welded at the upper end of each connecting rod 16, the sliding shaft 17 is slidably arranged in the corresponding chute 14, and the sliding shaft 17 acts on the chute 14 when moving up and down to drive the baffle 12 to move front and back, and a driving part for driving the connecting rod 16 to move up and down is arranged in the element chamber 7.

When the temperature in the heat preservation chamber 6 is lower than the preset temperature in use, the heating pipe 15 is used for heating the inside of the heat preservation chamber 6; meanwhile, the connecting rod 16 is driven to move upwards through the driving part, the connecting rod 16 drives the sliding shaft 17 to move upwards, the sliding shaft 17 acts on the chute 14 and drives the corresponding baffle 12 to move towards one side close to the corresponding first air holes 11 until the baffle 12 is attached to the corresponding inner wall of the heat preservation chamber 6 and seals the first air holes 11, so that air flow inside and outside the heat preservation chamber 6 is isolated, heat in the heat preservation chamber 6 is reduced from being emitted outwards, heating efficiency of the heating pipe 15 on the heat preservation chamber 6 is improved, and the heat preservation chamber is more energy-saving and environment-friendly. Or when the temperature in the heat preservation chamber 6 is higher than the preset temperature, the heating pipe 15 stops heating the heat preservation chamber 6; meanwhile, the connecting rod 16 is driven to move downwards through the driving part, the connecting rod 16 drives the sliding shaft 17 to move downwards, the sliding shaft 17 acts on the chute 14 and drives the corresponding baffle 12 to move to one side far away from the corresponding first air holes 11 until the baffle 12 is separated from the inner wall of the heat preservation chamber 6 so as to open the first air holes 11, and heat of the heat preservation chamber 6 is outwards emitted through the first air holes 11 so as to reduce the temperature in the heat preservation chamber 6, so that the liquid in the valve body 8 is prevented from deteriorating or the sealing part of the valve body 8 is prevented from being damaged due to the fact that the temperature in the heat preservation chamber 6 is too high.

The horizontal distance between the high end of the chute 14 and the baffle 12 is greater than the horizontal distance between the low end of the chute 14 and the baffle 12, i.e. the sliding shaft 17 moves upwards to drive the baffle 12 to move towards the side close to the corresponding first ventilation hole 11, or the sliding shaft 17 moves downwards to drive the baffle 12 to move towards the side far away from the corresponding first ventilation hole 11. A plurality of second ventilation holes 18 which are communicated with the heat insulation chamber 6 and the element chamber 7 are uniformly distributed on the heat insulation plate 5, the lower end of the connecting rod 16 extends into the element chamber 7 and is fixedly provided with a lifting plate 19 for blocking the second ventilation holes 18, when the lifting plate 19 is attached to the bottom of the heat insulation plate 5 to block the second ventilation holes 18, the baffle 12 is attached to the corresponding inner wall of the heat insulation chamber 6 and blocks the first ventilation holes 11; a fan is fixedly arranged in the element chamber 7 and consists of a motor 20 fixedly arranged on the bottom cover 4 through a motor bracket and blades 21 fixedly arranged on a rotating shaft of the motor 20, when the fan works, air flow flowing from bottom to top is generated, and a plurality of air inlets 22 communicated with the element chamber 7 are uniformly distributed on the bottom wall of the antifreeze box 1.

Specifically, when the temperature in the heat preservation chamber 6 is lower than the preset temperature, the driving component drives the connecting rod 16 to move upwards, and the baffle 12 seals the first ventilation holes 11; at the same time, the connecting rod 16 drives the lifting plate 19 to move upwards and attach to the bottom of the heat insulation plate 5 to seal the second ventilation hole 18. Or when the temperature in the heat preservation chamber 6 is higher than the preset temperature, the driving part drives the connecting rod 16 to move downwards, and the baffle plate 12 is separated from the inner wall of the heat preservation chamber 6 so as to open the first ventilation holes 11; meanwhile, the connecting rod 16 drives the lifting plate 19 to move downwards to be separated from the heat insulation plate 5 so as to enable the second air holes 18 to be opened, then the fan is started, and external cold air sequentially enters the heat insulation chamber 6 through the air inlet holes 22 and the second air holes 18 and is discharged from the first air holes 11 under the driving of the fan, so that the heat dissipation of the heat insulation chamber 6 is accelerated.

In order to improve the efficiency of cold air entering the heat preservation chamber 6 from the second air holes 18, a plurality of air holes 23 are uniformly distributed on the lifting plate 19, and the air holes 23 and the second air holes 18 are staggered.

The driving component is an electric cylinder 24 installed in the element chamber 7, specifically, the front and rear sides of the electric cylinder 24 are provided with two opposite sides, the front and rear side walls of the element chamber 7 are respectively fixedly provided with a supporting plate through bolts, the cylinder body of the electric cylinder 24 is installed on the corresponding supporting plate through bolts, the piston rod of the electric cylinder 24 extends vertically upwards, and the piston rod of the electric cylinder 24 is fixedly installed at the bottom of the lifting plate 19 through bolts. When the electric cylinder 24 stretches and contracts, the lifting plate 19 is driven to move up and down, and meanwhile, the lifting plate 19 drives the connecting rod 16 to move up and down.

In order to improve the stability of the front and back sliding of the baffle 12, four sliding rods 25 extending front and back are fixedly arranged on the inner sides of the front and back side walls of the heat preservation chamber 6 respectively, the baffle 12 is slidably arranged on the corresponding sliding rods 25, and the sliding rods 25 are specifically distributed at four corners of the corresponding baffle 12.

In the present embodiment, a temperature sensor is provided in the heat preservation chamber 6, a controller is provided in the element chamber 7, and the heating pipe 15, the electric cylinder 24, the fan, and the temperature sensor are all connected to the controller. When the temperature sensor detects that the temperature in the heat preservation chamber 6 is lower than the preset temperature, the controller starts the heating pipe 15 to heat the heat preservation chamber 6; meanwhile, the controller drives the electric cylinder 24 to extend, and the electric cylinder 24 drives the lifting plate 19 and the connecting rod 16 to move upwards, so that the first air holes 11 and the second air holes 18 are closed, and the heating efficiency of the heating pipe 15 on the heat preservation chamber 6 is improved; when the temperature sensor detects that the temperature in the heat preservation chamber 6 is higher than the preset temperature, the controller turns off the heating pipe 15; meanwhile, the controller drives the electric cylinder 24 to shrink, the electric cylinder 24 drives the lifting plate 19 and the connecting rod 16 to move downwards, the first air holes 11 and the second air holes 18 are opened, and the controller starts a fan, so that the heat dissipation efficiency of the heat preservation chamber 6 is improved.

The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An anti-freezing valve, which is characterized in that: the anti-freezing device comprises an anti-freezing box, wherein an insulating plate is fixedly arranged in the anti-freezing box, the inner cavity of the anti-freezing box is divided into an upper insulating chamber and a lower element chamber by the insulating plate, a valve body is arranged in the insulating chamber, connecting pipes are respectively fixedly arranged at a liquid inlet end and a liquid outlet end of the valve body, reserved holes for the connecting pipes to penetrate are respectively arranged on the left side wall and the right side wall of the anti-freezing box, and a heating pipe is fixedly arranged at the top of the insulating plate; the anti-freezing box is characterized in that first ventilation holes communicated with the heat preservation chamber are respectively formed in the front side wall and the rear side wall of the heat preservation chamber, a baffle plate for plugging the corresponding first ventilation holes is respectively arranged on the inner sides of the front side wall and the rear side wall of the heat preservation chamber in a front-rear sliding mode, a connecting plate is fixedly arranged on one side, far away from the corresponding first ventilation holes, of the baffle plate, a chute which is arranged in a left-right penetrating mode is arranged on the connecting plate, a connecting rod is vertically and slidably arranged on the heat preservation chamber, a sliding shaft matched with the chute is fixedly arranged on the connecting rod, the sliding shaft acts on the chute to drive the baffle plate to move front and back when moving up and down, and a driving part for driving the connecting rod to move up and down is arranged in the element chamber.

2. An anti-freeze valve as defined in claim 1 wherein: the horizontal distance between the high end of the chute and the baffle is greater than the horizontal distance between the low end of the chute and the baffle; the heat insulation plate is provided with a second air vent for communicating the heat insulation chamber and the element chamber, the lower end of the connecting rod extends into the element chamber and is fixedly provided with a lifting plate for blocking the second air vent, and when the lifting plate is attached to the bottom of the heat insulation plate to block the second air vent, the baffle is attached to the corresponding inner wall of the heat insulation chamber and blocks the first air vent; the device is characterized in that a fan is fixedly arranged in the element chamber, air flow flowing from bottom to top is generated when the fan works, and an air inlet hole communicated with the element chamber is formed in the bottom wall of the anti-freezing box.

3. An anti-freeze valve as defined in claim 2 wherein: the lifting plate is provided with ventilation holes, and the ventilation holes and the second ventilation holes are arranged in a staggered mode.

4. An anti-freeze valve as defined in claim 2 wherein: the driving part is an electric cylinder arranged in the element chamber, a piston rod of the electric cylinder extends vertically upwards, and the piston rod of the electric cylinder is fixedly arranged at the bottom of the lifting plate.

5. An anti-freeze valve as defined in claim 1 wherein: the inner sides of the front side wall and the rear side wall of the heat preservation chamber are respectively and fixedly provided with a sliding rod extending forwards and backwards, and the baffle plate is slidably arranged on the corresponding sliding rod.