CN219655306U - On-off valve and concrete pump pipe - Google Patents

Abstract

The utility model provides an opening and closing valve and a concrete pump pipe, and belongs to the concrete construction technology. The on-off valve includes: the pipe body is provided with a first connecting part and a first limiting part which are spaced at one end; the edge of the cover body is provided with a second connecting part and a second limiting part which are spaced; the first connecting part is connected with the second connecting part in a rotating way so that the cover body can open or close the pipe orifice of the pipe body; the first limiting part can be connected with the second limiting part to limit the cover body. The opening and closing valve is arranged at the pipe orifice of the concrete pump pipe, so that the opening and closing of the pipe orifice of the concrete pump pipe can be controlled through the opening and closing valve, the phenomenon that concrete left in the concrete pump pipe is scattered to a non-construction area when the concrete pump pipe stops conveying concrete is avoided, the waste of the concrete can be reduced, the subsequent cleaning work is avoided, the stability and the safety in the construction process are improved, and the construction quality is improved.

Description

On-off valve and concrete pump pipe

Technical Field

The utility model relates to the technical field of concrete construction, in particular to an opening and closing valve and a concrete pump pipe.

Background

At present, the end hoses of pump pipes of equipment such as a concrete spreader, a vehicle-mounted pump and the like in the building market are all open, and a closed valve is not arranged.

In concrete construction, because the distributing machine hose or the vehicle-mounted pump hose is required to be moved according to a pouring area, concrete which is not pumped out of the pump pipe is always scattered on the top plate formwork, is difficult to thoroughly clean up due to the influence of the plate reinforcing steel bars, the scattered concrete can be quickly solidified under the condition that the plate reinforcing steel bars are not timely cleaned up, and particularly, a small amount of concrete which is not timely vibrated causes serious hidden danger to the quality of the whole top plate concrete and consumes certain labor cost. If the concrete is scattered outside the working surface, the concrete is wasted, and building garbage is generated, which has a certain influence on environmental protection.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects in the prior art and provide an opening and closing valve and a concrete pump pipe.

The utility model provides the following technical scheme: an on-off valve comprising:

the pipe body is provided with a first connecting part and a first limiting part which are spaced at one end;

the edge of the cover body is provided with a second connecting part and a second limiting part which are spaced;

the first connecting part is connected with the second connecting part in a rotating way so that the cover body can open or close the pipe orifice of the pipe body;

the first limiting part can be connected with the second limiting part so as to limit the cover body.

In some embodiments of the utility model, the outer wall of the pipe body is provided with a first annular flange, and the first annular flange is arranged at one end of the pipe body in the axial direction;

the first connecting part and the first limiting part are arranged at the edge of the first annular flange at intervals.

Further, a second annular flange is arranged on the outer wall of the pipe body, and the second annular flange is arranged on one side of the pipe body away from the first annular flange;

the second annular flange can be connected with a pipe orifice of a concrete pump pipe.

Further, the diameter of the cover body is larger than the outer diameter of the pipe body, and the diameter of the cover body is smaller than or equal to the outer diameter of the first annular flange.

Further, a first annular groove is formed in one side, facing the pipe body, of the cover body, and a first sealing ring is arranged in the first annular groove;

the first seal ring at least partially protrudes from the first annular groove.

Further, a second annular groove is formed in one side, facing the cover body, of the first annular flange, and a second sealing ring is arranged in the second annular groove;

the second seal ring at least partially protrudes from the second annular groove.

Further, a gap is formed between the first annular groove and the second annular groove along the projection of the axial direction of the pipe body.

Further, the first connecting part and the second connecting part are coaxially connected through a first connecting piece, and the axis of the first connecting piece is parallel to the axis of the pipe body.

Further, the first limiting part and the second limiting part are connected through a second connecting piece;

the second connecting piece comprises a screw rod and a nut, and one end of the screw rod sequentially penetrates through the first limiting part and the second limiting part to be connected with the nut.

Some embodiments of the utility model also provide a concrete pump pipe, which comprises the on-off valve.

Embodiments of the present utility model have the following advantages: the cover body is rotatably connected with the pipe body, so that the pipe orifice of the pipe body can be opened or closed in the rotating process of the cover body, and the first limiting part is connected with the second limiting part to limit the cover body, so that the sealing quality of the cover body to the pipe orifice of the pipe body is improved; the opening and closing valve is arranged at the pipe orifice of the concrete pump pipe, so that the opening and closing valve can control the opening and closing of the pipe orifice of the concrete pump pipe, the pipe orifice of the concrete pump pipe can be controlled in real time in the concrete conveying process of the concrete pump pipe, the phenomenon that the concrete left in the concrete pump pipe is scattered to a non-construction area when the concrete pump pipe stops conveying the concrete is avoided, the waste of the concrete can be reduced, the subsequent cleaning work is avoided, the stability and the safety in the construction process are improved, and the construction quality is improved.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an on-off valve according to some embodiments of the present utility model;

FIG. 2 illustrates a schematic diagram of another view of an on-off valve provided in accordance with some embodiments of the present utility model;

FIG. 3 is a schematic view of an embodiment of an on-off valve according to the present utility model;

fig. 4 is a schematic structural view of a concrete pump pipe according to some embodiments of the present utility model.

Description of main reference numerals:

100-tube body; 200-a cover body; 110-a first connection; 120-a first limit part; 210-a second connection; 220-a second limit part; 300-a first annular flange; 400-a second annular flange; 500-a first sealing ring; 600-a second sealing ring; 700-first connector; 800-a second connector; 810-a screw; 820-nut; 900-concrete pump pipe; 1000-rubber sealing rings; 1100-pipe clamp.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, some embodiments of the present utility model provide an on-off valve, which is mainly applied to sealing or opening a hose at the end of a pump pipe of a concrete spreader, a vehicle-mounted pump, etc. in the process of concrete construction, so as to prevent concrete in the pump pipe from being spilled outside a construction area.

The on-off valve comprises a pipe body 100, one end of the pipe body 100 is provided with a first connecting portion 110 and a first limiting portion 120 which are spaced apart from each other, it should be noted that the first connecting portion 110 and the first limiting portion 120 are respectively arranged at one end of the pipe body 100 in the axial direction, and the first connecting portion 110 and the first limiting portion 120 are respectively located on the outer wall of the pipe body 100.

In addition, the interval between the first connection portion 110 and the first limiting portion 120 may be specifically set according to practical situations.

Preferably, in the present embodiment, the first connecting portion 110 and the first limiting portion 120 are respectively disposed at two opposite sides of the tube body 100.

The on-off valve further comprises a cover 200, the edge of the cover 200 is provided with a second connecting portion 210 and a second limiting portion 220 which are spaced apart, and the distance between the second connecting portion 210 and the second limiting portion 220 can be specifically set according to practical situations. In this embodiment, the second connecting portion 210 and the second limiting portion 220 are respectively disposed at two opposite sides of the cover 200.

Specifically, the first connection portion 110 is rotatably connected to the second connection portion 210, where a rotation direction between the first connection portion 110 and the second connection portion 210 may be specifically set according to an actual situation, so that the cover 200 may open or close the pipe orifice of the pipe body 100.

Illustratively, the first connecting portion 110 and the second connecting portion 210 are coaxially connected by the first connecting member 700, the axis of the first connecting member 700 is parallel to the axis of the tube body 100, and the axis of the first connecting portion 110 and the axis of the second connecting portion 210 are parallel to the axis of the tube body 100, that is, the cover body 200 can rotate relative to the tube body 100 along the axes of the first connecting portion 110 and the second connecting portion 210, so that the cover body 200 can open or close the tube mouth of the tube body 100 near the end of the cover body 200 during the rotation process. It should be noted that, in order to improve the stability of the connection between the cover 200 and the pipe body 100, the axis of the cover 200 may be parallel to the axis of the pipe body 100 during the rotation of the cover 200, so as to improve the stability between the cover 200 and the pipe body 100 and the sealing quality of the cover 200 to the pipe opening of the pipe body 100. Specifically, in the present embodiment, the first connection portion 110 and the second connection portion 210 are connected by the first connection member 700, and the axis of the first connection member 700 is parallel to the axis of the pipe body 100.

Alternatively, in some embodiments, the first connection portion 110 and the second connection portion 210 are coaxially connected by a first connection member 700, and an axis of the first connection member 700 is perpendicular to an axis of the pipe body 100. Specifically, at this time, there is a space between the extending direction of the axis of the first connector 700 and the pipe body 100, that is, the axis of the first connector 700 does not pass through the pipe body 100 after being extended, so that the cover 200 forms a turnover connection structure in the process of rotating relative to the pipe body 100. Specifically, when the axis of the cover 200 is parallel to the axis of the tube 100 during the overturning process of the cover 200, the cover 200 is far away from the tube orifice of the tube 100, i.e. the tube orifice of the tube 100 is opened; when the axis of the cover 200 coincides with the axis of the tube 100 during the overturning process of the cover 200, the cover 200 covers the tube orifice of the tube 100, that is, the tube orifice of the tube 100 is closed by the cover 200.

The first stopper 120 may be connected to the second stopper 220. The connection manner between the first limiting portion 120 and the second limiting portion 220 at least includes any one of threaded connection, bolt connection, clamping connection, magnetic connection or adhesion, and may be specifically set according to practical situations.

Specifically, when the axis of the cover 200 coincides with the axis of the pipe body 100 during the rotation of the cover 200 relative to the pipe body 100, that is, the pipe orifice of the pipe body 100 is closed by the cover 200, at this time, the first limiting portion 120 is connected with the second limiting portion 220 to limit the cover 200, thereby improving the sealing quality and stability of the cover 200 to the pipe body 100.

It should be noted that, the first connecting member 700 is a rotating shaft.

As shown in fig. 1, in some embodiments of the present utility model, the outer wall of the pipe body 100 is provided with a first annular flange 300, the first annular flange 300 is disposed at one end of the pipe body 100 in the axial direction, and the first annular flange 300 is coaxially connected with the pipe body 100.

It should be noted that, the side of the first annular flange 300, which is close to the pipe orifice of the pipe body 100, and the edge of the pipe orifice are located on the same plane, so that the first annular flange 300 does not form an obstruction to the cover body 200 during the rotation of the cover body 200, thereby ensuring the smoothness of the cover body 200 during the rotation.

By providing the first annular flange 300 at the edge of the pipe body 100, the first annular flange 300 can form a sealing structure with the cover body 200, so that the effective contact and sealing area between the cover body 200 and the pipe orifice of the pipe body 100 are improved, and the sealing quality of the cover body 200 to the pipe orifice of the pipe body 100 is further improved.

In this embodiment, the first connecting portion 110 and the first limiting portion 120 are disposed at the edge of the first annular flange 300 at intervals, and preferably, the first connecting portion 110 and the first limiting portion 120 are disposed at opposite sides of the first annular flange 300.

As shown in fig. 1, in some embodiments of the present utility model, the outer wall of the pipe body 100 is provided with a second annular flange 400, and the second annular flange 400 is disposed on a side of the pipe body 100 away from the first annular flange 300, that is, an axis of the first annular flange 300, an axis of the second annular flange 400, and an axis of the pipe body 100 coincide.

It should be noted that, the second annular flange 400 is disposed on the outer wall of the pipe body 100, so that the pipe body 100 can be connected with the pipe orifice of the concrete pump pipe 900 through the second annular flange 400, so that the opening and closing valve provided by the utility model is installed at the pipe orifice of the concrete pump pipe 900, and the pipe orifice of the concrete pump pipe 900 can be opened or closed through the opening and closing valve.

Optionally, the second annular flange 400 is a flange, that is, the on-off valve can be connected with the pipe orifice of the concrete pump pipe 900 by a bolt, so as to improve the stability of connection between the on-off valve and the concrete pump pipe 900, and facilitate disassembly.

As shown in fig. 1 and 2, in some embodiments of the present utility model, the diameter of the cap 200 is greater than the outer diameter of the tube body 100, and the diameter of the cap 200 is less than or equal to the outer diameter of the first annular flange 300, such that the orifice of the tube body 100 can be sealed by the cap 200.

Preferably, the diameter of the cover 200 is equal to the outer diameter of the first annular flange 300, so that the cover 200 can completely cover the first annular flange 300 and the nozzle of the pipe body 100, thereby improving the sealing quality of the cover 200 to the pipe body 100.

In this embodiment, the cover 200 is circular in shape.

As shown in fig. 3, in some embodiments of the present utility model, a first annular groove is disposed on a side of the cover 200 facing the pipe body 100, and a first sealing ring 500 is disposed in the first annular groove, so that a sealing structure is formed between the cover 200 and the pipe body 100 through the first sealing ring 500, and sealing quality of the cover 200 to the pipe body 100 is improved. Further, the first sealing ring 500 is an elastic sealing ring, such as a rubber ring, and the first sealing ring 500 protrudes at least partially from the first annular groove, so that when the first sealing ring 500 contacts the first annular flange 300, the first sealing ring 500 can be compressed under the pressure of the first annular flange 300, thereby storing elastic potential energy, that is, the first sealing ring 500 abuts against the first annular flange 300, so that a sealing structure is formed between the cover 200 and the first annular flange 300, and sealing quality of the cover 200 to the tube 100 is improved.

The first annular groove is coaxially disposed with the cover 200, and an inner diameter of the first annular groove is larger than an inner diameter of the pipe body 100, and an outer diameter of the first annular groove is smaller than an outer diameter of the first flange.

As shown in fig. 3, in some embodiments of the present utility model, a second annular groove is provided on a side of the first annular flange 300 facing the cover 200, and a second sealing ring 600 is provided in the second annular groove, so that a sealing structure is formed between the cover 200 and the pipe 100 through the second sealing ring 600, and sealing quality of the cover 200 to the pipe 100 is improved. Further, the second sealing ring 600 is an elastic sealing ring, such as a rubber ring, and the second sealing ring 600 at least partially protrudes from the first annular flange 300, so that when the second sealing ring 600 contacts the cover 200, the second sealing ring 600 can be compressed under the pressure of the cover 200, thereby storing elastic potential energy, that is, the second sealing ring 600 abuts against the cover 200, thereby forming a sealing structure between the cover 200 and the first annular flange 300, and improving the sealing quality of the cover 200 to the pipe 100.

Preferably, in this embodiment, a gap is formed between the first annular groove and the second annular groove along the projection of the axial direction of the pipe body 100, that is, a gap is formed between the first sealing ring 500 and the second sealing ring 600, so as to form a double sealing structure between the cover body 200 and the pipe body 100, thereby further improving the sealing quality of the cover body 200 to the pipe body 100.

As shown in fig. 1 to 4, in some embodiments of the present utility model, the first limiting part 120 and the second limiting part 220 are connected by a second connector 800, so as to improve the stability of the connection between the first limiting part 120 and the second limiting part 220, and to improve the stability of the connection between the cover 200 and the pipe body 100.

The second connector 800 includes a screw 810 and a nut 820, where one end of the screw 810 sequentially penetrates through the first limiting portion 120 and the second limiting portion 220 to be connected with the nut 820.

In this embodiment, the first limiting portion 120 is provided with a first through hole along the axial direction of the pipe body 100, the second limiting portion 220 is provided with a second through hole along the axial direction of the pipe body 100, and the aperture of the first through hole is equal to the aperture of the second through hole.

Specifically, when the axis of the first through hole is coincident with the axis of the second through hole in the process of rotating the cover 200 with respect to the pipe body 100, one end of the screw 810 can be respectively inserted into the first through hole and the second through hole and connected with the nut 820, so that the first limiting part 120 and the second limiting part 220 are connected through the screw 810 and the nut 820, and the cover 200 and the pipe body 100 are connected, so that the stability of the connection between the cover 200 and the pipe body 100 is improved.

Optionally, the first limiting portion 120 is provided with a first threaded hole, the second limiting portion 220 is provided with a second threaded hole, the axes of the first threaded hole and the second threaded hole are parallel, and the aperture of the first threaded hole is equal to the aperture of the second threaded hole.

Specifically, when the axis of the first threaded hole is overlapped with the axis of the second threaded hole in the process of rotation of the cover 200, the cover 200 seals the pipe orifice of the pipe body 100, and at this time, the first threaded hole and the second threaded hole can be simultaneously connected through the bolts, thereby connecting the first limiting part 120 and the second limiting part 220 through the bolts, so as to improve the stability of the connection between the cover 200 and the pipe body 100.

Optionally, the first limiting portion 120 is a clamping groove, the second limiting portion 220 is a clamping tooth, and the clamping tooth can be clamped in the clamping groove, so that the first limiting portion 120 is connected with the second limiting portion 220, the connection efficiency between the cover body 200 and the pipe body 100 can be improved, and the pipe body is convenient to detach.

As shown in fig. 4, some embodiments of the present utility model include a concrete pump pipe including the on-off valve described in any of the above embodiments.

Specifically, the end of the opening and closing valve far away from the cover body 200 is connected with the pipe orifice of the concrete pump pipe 900, and the connection mode of the opening and closing valve comprises any one of bolting, clamping or welding, and can be specifically set according to practical situations.

In this embodiment, the second annular flange 400 is coaxially connected to the nozzle of the concrete pump pipe 900. Specifically, a rubber sealing ring 1000 is disposed at the edge of the connection part between the second annular flange 400 and the pipe orifice of the concrete pump pipe 900, and then the second annular flange 400 is sleeved on the circumference of the rubber sealing ring 1000 through a pipe clamp 1100, so as to connect the second annular flange 400 with the pipe orifice of the concrete pump pipe 900, thereby improving the stability and sealing quality of the connection between the opening and closing valve and the concrete pump pipe 900, and being convenient for installation or disassembly.

The opening and closing valve is arranged at the pipe orifice of the concrete pump pipe 900, so that the opening and closing valve can control the opening or closing of the pipe orifice of the concrete pump pipe 900, the pipe orifice of the concrete pump pipe 900 can be controlled in real time in the concrete conveying process of the concrete pump pipe 900, the phenomenon that the concrete left in the concrete pump pipe 900 is scattered to a non-construction area when the concrete pump pipe 900 stops conveying the concrete is avoided, the waste of the concrete is reduced, the subsequent cleaning work is avoided, the stability and the safety in the construction process are improved, and the construction quality is improved.

Any particular values in all examples shown and described herein are to be construed as merely illustrative and not a limitation, and thus other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The above examples merely represent a few embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (10)

1. An on-off valve, comprising:

the pipe body is provided with a first connecting part and a first limiting part which are spaced at one end;

the edge of the cover body is provided with a second connecting part and a second limiting part which are spaced;

the first connecting part is connected with the second connecting part in a rotating way so that the cover body can open or close the pipe orifice of the pipe body;

the first limiting part can be connected with the second limiting part so as to limit the cover body.

2. The on-off valve according to claim 1, wherein the outer wall of the pipe body is provided with a first annular flange provided at one end in the axial direction of the pipe body;

the first connecting part and the first limiting part are arranged at the edge of the first annular flange at intervals.

3. The on-off valve according to claim 2, wherein the outer wall of the pipe body is provided with a second annular flange, which is provided at a side of the pipe body remote from the first annular flange;

the second annular flange can be connected with a pipe orifice of a concrete pump pipe.

4. The on-off valve of claim 2, wherein the cover has a diameter greater than an outer diameter of the tube and a diameter less than or equal to an outer diameter of the first annular flange.

5. The on-off valve according to claim 2, wherein a first annular groove is formed in one side of the cover body facing the pipe body, and a first sealing ring is arranged in the first annular groove;

the first seal ring at least partially protrudes from the first annular groove.

6. The on-off valve of claim 5, wherein a second annular groove is formed in a side of the first annular flange facing the cover body, and a second sealing ring is arranged in the second annular groove;

the second seal ring at least partially protrudes from the second annular groove.

7. The on-off valve of claim 6, wherein a gap is provided between the first annular groove and the second annular groove along a projection of the axis of the tube.

8. The on-off valve of claim 1, wherein the first connection portion and the second connection portion are coaxially connected by a first connection member, and an axis of the first connection member is parallel to an axis of the pipe body.

9. The on-off valve of claim 1, wherein the first limit portion and the second limit portion are connected by a second connector;

the second connecting piece comprises a screw rod and a nut, and one end of the screw rod sequentially penetrates through the first limiting part and the second limiting part to be connected with the nut.

10. A concrete pump pipe comprising the on-off valve according to any one of claims 1 to 9.