CN216430551U

CN216430551U - Anti-freezing valve

Info

Publication number: CN216430551U
Application number: CN202122799517.XU
Authority: CN
Inventors: 秦宏周
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-03
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a valve prevents frostbite, include: valve body and face storage container, the valve body includes: the valve comprises a valve shell, an opening and closing valve core, a valve rod and a hand screw rod, wherein the valve shell is provided with an eccentric water inlet pipe and an eccentric water outlet pipe, and the opening and closing valve core is provided with an eccentric water passing channel; the temporary storage container comprises: the water outlet pipe is provided with a water through hole communicated with the first cavity; when the opening and closing valve core rotates to close the eccentric water passing channel, the rotating spacer rotates to increase the volume of the first cavity and reduce the volume of the second cavity, and accumulated water in the water outlet pipe enters the first cavity through the water through hole; when the eccentric water passage is opened and closed by the valve core, the rotary spacer rotates to reduce the volume of the first cavity and increase the volume of the second cavity, and accumulated water in the first cavity is extruded into the water outlet pipe through the limber hole. The anti-freezing valve is safe and reliable and has good anti-freezing effect.

Description

Anti-freezing valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to valve prevents frostbite.

Background

The ball valve is a valve with a valve core driven by a valve rod and rotating around the axis of the valve body, and can also be used for regulating and controlling fluid. The existing ball valve still has certain disadvantages in practical use: the existing ball valve has no antifreezing function, so that liquid flowing through the valve body and the water outlet pipe in winter is easy to freeze, and the valve body can be damaged.

Common solutions to this are: at ball valve and water receiving pipe parcel thermal material or set up heating element, so that the temperature of ball valve and water receiving pipe is higher than zero degree, when severe cold is resisted to the mode that adopts ball valve and water receiving pipe parcel thermal material, need more material parcel, and when a parcel is not tight, all very easily take place to freeze the pipe, adopt when ball valve and water receiving pipe set up heating element's mode, need keep warm in real time, it is with high costs to keep warm, and outdoor power consumption heat preservation security is poor, therefore, need to propose a safe and reliable, use cost's an anti-freeze valve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti-freezing valve, its safe and reliable, the effect of preventing frostbite is good, economic nature is high.

In order to achieve the above object, the utility model provides a pair of anti-freezing valve, include: valve body and face storage container, the valve body includes: the manual water-saving valve comprises a valve casing, an opening and closing valve core, a valve rod and a manual screwing rod, wherein the lower end of the valve rod can rotatably extend into the valve casing and is fixedly connected with the opening and closing valve core in the valve casing;

the temporary storage container comprises: the water outlet pipe is provided with a water through hole communicated with the first cavity;

when the valve rod rotates to drive the opening and closing valve core to close the valve body, the rotary spacer rotates along with the valve rod to increase the volume of the first cavity and reduce the volume of the second cavity, and accumulated water in the water outlet pipe enters the first cavity through the water through hole; when the valve rod rotates to drive the opening and closing valve core to open the valve body, the rotary spacer rotates along with the valve rod to reduce the volume of the first cavity and increase the volume of the second cavity, and accumulated water in the first cavity is extruded into the water outlet pipe through the water through hole.

When the anti-freezing valve is used, the valve body and the temporary storage container are buried in the non-frozen soil layer or arranged in the cellar, and the upper part of the valve rod is movably arranged above the ground after passing through the non-frozen soil layer and the frozen soil layer. When the anti-freezing valve is closed, the rod is screwed by a forward hand, the valve core is opened and closed gradually to close the eccentric water passing channel along with the rotation of the valve rod, meanwhile, the valve rod drives the rotary spacer to rotate to enable the volume of the first cavity to be increased, the volume of the second cavity is reduced, residual water in the water receiving pipe connected with the water outlet pipe gradually enters the first cavity, the valve core is continuously rotated and opened after the eccentric water passing channel is completely closed, at the moment, the residual water in the water receiving pipe connected with the water outlet pipe almost completely flows into the first cavity, and the volume of the second cavity is close to zero; when opening the valve that prevents frostbite, reverse hand screw rod that revolves, along with the rotation of valve rod, the valve rod drives the rotatory volume increase that makes the second cavity of rotatory spacer, and the volume of first cavity reduces, and the water of storing in the first cavity is through in the limbers is whole extrudes out the water pipe, and after eccentric water channel opened completely, the water of storing in the first cavity was whole to flow into out in the water pipe, and the volume of first cavity is close to for zero.

The anti-freezing valve is buried in the non-freezing soil layer and cannot be frozen in winter, and when the anti-freezing valve is closed, water in the water receiving pipe connected with the water outlet pipe naturally flows into the first cavity, so that no accumulated water exists in the water receiving pipe buried in the frozen soil layer and exposed on the ground, and the anti-freezing valve cannot be frozen. The anti-freezing valve does not need to be manually heated again after being installed, and is convenient to use and high in safety.

In the above technical scheme, the utility model discloses can also do as follows the improvement:

preferably, the valve casing is a hollow spherical structure, and the opening and closing valve core is a solid spherical structure which is in running fit with the inner wall of the valve casing.

Preferably, the valve casing is hollow tubular structure, open and close the case for with valve casing inner wall normal running fit's solid cylindrical structure.

Preferably, the side wall of the rotary spacer facing the first cavity is provided with a blocking plug matched with the water through hole.

Preferably, the hollow shell is an 1/4 spherical hollow structure.

Preferably, the central angle of the arc-shaped opening is 90 °.

Preferably, the angle for closing the eccentric water channel by rotating the opening and closing valve core is between 5 and 20 degrees.

Preferably, the edge line at the center of the hollow shell is a sleeve sleeved outside the valve rod.

Preferably, the rotating spacer is provided with an elastic gasket at the edge that engages the inner wall of the hollow housing.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.

Fig. 1 is a schematic structural diagram of an anti-freezing valve according to an embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a sectional view taken along line B-B of FIG. 1;

fig. 4 is a schematic view of the installation of fig. 1.

In the drawings:

the water-saving valve comprises a valve casing 10, an arc-shaped opening 101, an opening and closing valve core 11, an eccentric water passing channel 111, a valve rod 12, a hand-screwed rod 13, a water inlet pipe 14, a water outlet pipe 15, a water through hole 151, a first flange 16, a second flange 17, a hollow casing 20, a first cavity 201, a second cavity 202, a rotary spacer 21, an elastic sealing gasket 22, a sealing plug 23, a sleeve 24 and a water receiving pipe 30.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 4, the present embodiment discloses an anti-freeze valve, which includes: a valve body and a temporary storage container.

As shown in fig. 1, 2 and 3, the valve body includes: valve casing 10, open and close case 11, valve rod 12 and hand are twisted pole 13, the lower extreme of valve rod 12 is rotatable stretch into in the valve casing 10 and with the 11 rigid couplings of opening and close case in the valve casing 10, the upper end rigid coupling of valve rod 12 has hand to twist pole 13, valve casing 10 is equipped with eccentric inlet tube 14 and outlet pipe 15, open and close case 11 has the eccentric water channel 111 of rotatory intercommunication inlet tube 14 and outlet pipe 15, the structure difference of valve body lies in among the structure of valve body and the prior art in this embodiment: the valve stem 12 in the valve body structure in this embodiment is long in length.

As shown in fig. 2 and 3, the temporary storage container includes: the water outlet pipe 15 comprises a hollow shell 20 and a rotary spacer 21, wherein the hollow shell 20 is partially connected with a valve shell 10 in a penetrating manner, an arc-shaped opening 101 is formed in the penetrating portion of the valve shell 10 and the hollow shell 20, the rotary spacer 21 is rotatably and hermetically arranged in the hollow shell 20, one end of the rotary spacer 21 extends into the arc-shaped opening 101 and is fixedly connected with an opening and closing valve core 11, namely, the rotary spacer 21 can synchronously rotate along with the opening and closing valve core 11, the hollow shell 20 is divided into a first cavity 201 with variable volume and a second cavity 202 by the rotary spacer 21, and the water outlet pipe 15 is provided with a water through hole 151 communicated with the first cavity 201;

when the valve rod 12 rotates to drive the on-off valve core 11 to close the valve body, the rotary spacer 21 rotates along with the valve rod 12 to increase the volume of the first cavity 201 and reduce the volume of the second cavity 202, and accumulated water in the water outlet pipe 15 enters the first cavity 201 through the water through hole 151; when the valve rod 12 rotates to drive the on-off valve core 11 to open the valve body 10, the rotary spacer 21 rotates along with the valve rod 12 to reduce the volume of the first cavity 201 and increase the volume of the second cavity 202, and accumulated water in the first cavity 201 is squeezed into the water outlet pipe 15 through the water through hole 151.

The valve body and the temporary storage container are buried in a non-frozen soil layer or arranged in the cellar, and the upper part of the valve rod 12 is movably arranged above the ground after passing through the non-frozen soil layer and the frozen soil layer. When the anti-freezing valve is closed, the rod 13 is screwed by a forward hand, the opening and closing valve core 10 gradually closes the eccentric water passing channel 101 along with the rotation of the valve rod 12, meanwhile, the valve rod 12 drives the rotary spacer 21 to rotate, so that the volume of the first cavity 201 is increased, the volume of the second cavity 202 is reduced, residual water in the water receiving pipe 30 connected with the water outlet pipe 15 gradually enters the first cavity 201, the opening and closing valve core 11 continues to rotate after the eccentric water passing channel 111 is completely closed, at this time, almost all residual water in the water receiving pipe 30 connected with the water outlet pipe flows into the first cavity 201, and the volume of the second cavity 202 is close to zero; when the anti-freezing valve is opened, the rod 13 is screwed by a reverse hand, the valve rod 12 drives the rotary spacer to rotate to increase the volume of the second cavity 202 along with the rotation of the valve rod 12, the volume of the first cavity 201 is reduced, water stored in the first cavity 201 is extruded and then enters the water outlet pipe 15 through the water through hole 151, and after the valve core 10 is opened and closed completely, the water stored in the first cavity 201 completely flows into the water outlet pipe 15, and the volume of the first cavity 201 is close to zero.

As shown in fig. 4, the anti-freeze valve is buried in the non-frozen soil layer and is not frozen in winter, and when the anti-freeze valve is closed, water in the water receiving pipe 30 connected to the water outlet pipe 15 naturally flows into the first cavity 201, so that no water is accumulated in the water receiving pipe 30 buried in the frozen soil layer and exposed to the ground, and the anti-freeze valve cannot be frozen. The anti-freezing valve does not need to be manually heated again after being installed, and is convenient to use and high in safety.

As shown in fig. 1, in the present embodiment, the valve housing 10 is a hollow spherical structure, and the opening/closing valve element 11 is a solid spherical structure rotatably engaged with the inner wall of the valve housing 10.

In an alternative embodiment of the present application, the valve housing 10 is a hollow cylindrical structure, and the opening/closing valve element 11 is a solid cylindrical structure rotatably engaged with the inner wall of the valve housing 10.

In an alternative embodiment of the present application, the hollow housing 20 is an 1/4-ball-shaped hollow structural body, the central angle of the arc-shaped opening 101 is 90 °, the angle for the on-off valve element 11 to rotate to completely close the eccentric water passage 101 is between 5 ° and 20 °, preferably 20 °, the allowed rotation angle of the on-off valve element 11 is greater than 20 °, preferably 20 ° to 90 °, that is, after the on-off valve element 11 rotates 20 °, the eccentric water passage 101 can be completely closed or completely opened, and the remaining rotation angle is used to adjust the volume of the first cavity 201 and the second cavity 202, so that the first cavity 201 can completely store water in the water receiving pipe 30.

In the present embodiment, the rotary spacer 21 is provided with the elastic packing 22 at the edge matched with the inner wall of the hollow casing 20, and the elastic packing 22 is provided to increase the sealing performance of the rotary spacer 21 and prevent the first chamber 201 and the second chamber 202 from communicating through the edge.

In an optional embodiment of the present application, a side wall of the rotating spacer 21 facing the first cavity 201 is provided with a blocking plug 23 adapted to the water through hole 151, and when the volume of the first cavity 201 is zero, the blocking plug 23 blocks the water through hole 151, so as to improve that after the open-close valve element 11 is opened, water in the water outlet pipe 15 can be completely discharged to the water receiving pipe.

In an alternative embodiment of the present application, the corner line at the center of the hollow housing 20 is a sleeve 24 sleeved on the valve stem 12, and the rotary spacer 21 is in rotary sealing engagement with the outer wall of the sleeve 24, so that the valve stem 12 can be laterally supported by the sleeve 24 on one side and the hollow housing 20 can be in rotary sealing engagement on the other side.

In this embodiment, the end of the water inlet pipe 14 facing away from the valve housing 10 is provided with a first flange 16, the end of the water outlet pipe 15 facing away from the valve housing 10 is provided with a second flange 17, and the first flange 16 and the second flange 17 are provided to facilitate connection with other pipelines.

In conclusion, the valve body is kept warm by the aid of the non-frozen soil layer, freezing of the valve body can be avoided, the temporary storage of water in the external water pipe 30 can be realized by additionally arranging the temporary storage container, and the freezing of the water in the external water pipe 30 can be avoided.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. An antifreeze valve comprising: a valve body, the valve body comprising: valve casing (10), open and close case (11), valve rod (12) and hand are twisted pole (13), the lower extreme of valve rod (12) is rotatable stretch into in valve casing (10) and with opening and close case (11) rigid coupling in valve casing (10), the upper end rigid coupling of valve rod (12) has hand to twist pole (13), valve casing (10) are equipped with eccentric inlet tube (14) and outlet pipe (15), open and close case (11) and have eccentric water channel (111) of rotatory intercommunication inlet tube (14) and outlet pipe (15), its characterized in that still includes: a temporary storage container;

the temporary storage container comprises: the water outlet pipe comprises a hollow shell (20) and a rotary spacer (21), wherein the hollow shell (20) is partially connected with a valve shell (10) in a penetrating manner, an arc-shaped opening (101) is formed in a penetrating portion of the valve shell (10) and the hollow shell (20), the rotary spacer (21) is rotatably and hermetically arranged in the hollow shell (20), one end of the rotary spacer (21) extends into the arc-shaped opening (101) and is fixedly connected with an opening and closing valve core (11), the hollow shell (20) is divided into a first cavity (201) and a second cavity (202) with variable volumes by the rotary spacer (21), and a water through hole (151) communicated with the first cavity (201) is formed in the water outlet pipe (15);

when the valve rod (12) rotates to drive the opening and closing valve core (11) to close the valve body, the rotary spacer (21) rotates along with the valve rod (12) to increase the volume of the first cavity (201) and reduce the volume of the second cavity (202), and accumulated water in the water outlet pipe (15) enters the first cavity (201) through the water through hole (151); when the valve rod (12) rotates to drive the opening and closing valve core (11) to open the valve body, the rotary spacer (21) rotates along with the valve rod (12) to reduce the volume of the first cavity (201) and increase the volume of the second cavity (202), and accumulated water in the first cavity (201) is extruded into the water outlet pipe (15) through the water through hole (151).

2. An anti-freeze valve according to claim 1, characterized in that the valve housing (10) is a hollow spherical structure and the open/close valve element (11) is a solid spherical structure which is rotatably fitted with the inner wall of the valve housing (10).

3. An anti-freezing valve as claimed in claim 1, wherein the valve housing (10) is a hollow cylindrical structure, and the opening and closing valve core (11) is a solid cylindrical structure which is rotatably matched with the inner wall of the valve housing (10).

4. Antifreeze valve according to claim 2 or 3, characterized in that the side wall of the rotary diaphragm (21) facing the first chamber (201) is provided with a plug (23) adapted to the water passage opening (151).

5. An antifreeze valve according to claim 4, wherein said hollow housing (20) is an 1/4 spherical hollow structure.

6. An antifreeze valve according to claim 5, characterized in that the central angle of the arc-shaped opening (101) is 90 °.

7. The antifreeze valve according to claim 6, wherein the angle for the open-close valve core (11) to rotate to close the eccentric water passage (111) is between 5 and 20 degrees.

8. An antifreeze valve according to claim 1, wherein the corner line at the centre of the hollow housing (20) is a sleeve (24) which is fitted over the valve stem (12).

9. Antifreeze valve according to claim 1, characterized in that the rotary diaphragm (21) is provided with an elastic sealing gasket (22) at the edge which cooperates with the inner wall of the hollow housing (20).

10. Antifreeze valve according to claim 1, characterized in that the end of the inlet pipe (14) facing away from the valve housing (10) is provided with a first flange (16) and the end of the outlet pipe (15) facing away from the valve housing (10) is provided with a second flange (17).