CN111255900A - Push-pull switching valve - Google Patents

Abstract

The invention discloses a push-pull switching valve which comprises a first body, a second body, a circular tube, a connecting piece and a sealing piece, wherein the first body is cylindrical and is provided with a counter bore and a side hole which are communicated; the second body is provided with a through hole and a side pipe which are communicated, the through hole is movably sleeved on the first body in a sealing mode, and the side pipe is communicated with the side hole in an aligned mode; the sealing sheet is fixedly arranged at the bottom of the counter bore; the circular tube is movably and hermetically inserted in the counter bore and is linked with the second body through the connecting piece, and moves between an opening waterway and a closing waterway; under the state of opening the waterway, the round pipe is far away from the sealing sheet; and in the state of closing the water path, the round pipe is in abutting sealing fit with the sealing sheet. From this through drawing the second body can realize opening and closing of water route, convenient operation connects soon, and operation indicative nature is good, discerns current user state easily, and the structure is also simple, low in manufacturing cost.

Description

Push-pull switching valve

Technical Field

The invention relates to a valve, in particular to a push-pull switching valve.

Background

The existing angle valve adopts two main valve core structures, namely a ceramic valve core structure and a ball core structure, but the two valve cores have the advantages and the disadvantages respectively; the ball core adopts the structure of a ball core and two sealing pieces, and has the advantages of large flow and high sealing degree, and the ball core and the sealing pieces are tightly installed to cause large switching force and great labor force.

The switching mode of current angle valve adopts rotatory switching mostly, has designed a handle for the angle valve promptly, opens and closes the water route through rotatory handle, and its control mode is single and has had more control unit, has increased the cost, and the user can do not know that levogyration and dextrorotation are that which is to open the water route and which is to close the water route, and it is fuzzy to control the instruction nature.

The water outlet of the existing angle valve is fixed with the body, and the direction of the angle valve installed in the water pipe is uncertain, so that the direction of the final water outlet is not the wanted angle, and then the hose connected with the final water outlet is wound.

Disclosure of Invention

The technical problem to be solved by the present invention is to overcome the above-mentioned shortcomings of the prior art. The utility model provides a push-and-pull diverter valve, the angle valve part that should draw the switching is few, and the installation is simple, switches through drawing the mode and switches, and the switching is quick, and operation instruction nature is clear and definite, and the delivery port can universal rotation.

In order to achieve the purpose, the invention adopts the technical scheme that: a push-pull switching valve, comprising: the sealing device comprises a first body, a second body, a circular tube, a connecting piece and a sealing piece, wherein the first body is cylindrical and is provided with a counter bore and a side hole which are communicated, and the side hole is positioned at the bottom of the counter bore; the second body is provided with a through hole and a side pipe, the through hole is communicated with the side pipe and is arranged in a T shape, the through hole is movably and hermetically sleeved on the first body, and the side pipe is aligned and communicated with the side hole; the sealing sheet is fixedly arranged at the bottom of the counter bore; the circular tube is movably and hermetically inserted in the counter bore and is linked with the second body through the connecting piece, and moves between an opening waterway and a closing waterway; under the state of opening the waterway, the round pipe is far away from the sealing sheet; and in the state of closing the water path, the round pipe is in abutting sealing fit with the sealing sheet. From this through drawing the second body can realize opening and closing of water route, convenient operation connects soon, and operation indicative nature is good, discerns current user state easily, and the structure is also simple, low in manufacturing cost.

Preferably, the sealing piece further comprises an elastic piece, the elastic piece is arranged between the first body and the second body in a pre-tightening mode, and the pre-tightening direction is the direction in which the circular tube compresses the sealing piece. Through increasing the elastic component for the sealed of pipe is more reliable, has strengthened the reliability of mechanism.

Preferably, the inner wall of the counter bore is provided with a clamping groove A, the clamping groove A is sleeved with a first clamping ring, the elastic piece is arranged in the counter bore, one end of the elastic piece abuts against the first clamping ring, and the other end of the elastic piece abuts against the round pipe in a pre-tightening manner. The elastic piece is arranged in the inner part, the appearance is concise, the movement is smooth, and the spatial layout is reasonable.

Preferably, the connecting piece is movably arranged on the side hole, one end of the connecting piece is fixedly connected with the circular tube, and the other end of the connecting piece is clamped with the second body. The space of the side hole is effectively utilized, the assembly is convenient, and the mechanism runs reliably.

Preferably, the connecting piece sets up elastic ring, first card muscle, second card muscle, first card muscle with the second card muscle is located respectively the elastic ring both sides, set up draw-in groove R on the pipe, the through hole inner wall sets up draw-in groove M, first card muscle with draw-in groove M cooperation, the second card muscle with draw-in groove R cooperation. During the installation, pack into in advance the pipe, then will the connecting piece inserts the side opening makes the second card muscle with draw-in groove R block, then will second body suit targets in place, at the in-process of packing into, elastic deformation takes place earlier for the elastic ring, works as when the second body installation targets in place, the shape is resumeed to the elastic ring, first card muscle card is gone into draw-in groove M, the installation is simple quick, just the connecting piece simple structure, simple manufacture.

Preferably, the angle valve further comprises a positioning device, the positioning device is arranged between the first body and the second body or between the first body and the circular tube, and the positioning device enables the angle valve to be maintained in an open waterway state or a closed waterway state. Through setting up positioner for the operation of valve has more keeps off the position and feels, and is difficult to receive external force to change operating condition easily, strengthens its operational reliability.

Preferably, positioner includes second snap ring and draw-in groove N, annular C, annular D, draw-in groove N sets up run through the downthehole wall, annular C, annular D set up the outer wall of first body, the activity of second snap ring sets up in the draw-in groove N, open the water route state with annular C block, close the water route state with annular D block.

Preferably, the first body is further provided with a ring groove B, the ring groove B being provided in the first body outer wall and aligned with the side hole. The second body can not change the cross-sectional area in a large range in the rotating process by arranging the ring groove B, and the water flow is ensured to be stable.

Preferably, the side holes are axially long and narrow rectangles and are in transition fit with two sides of the sliding direction of the connecting piece. Through the side opening with the mode of mutually supporting of connecting piece makes the connecting piece can not rock at will at the operation in-process, guarantees the motion smoothness nature.

Preferably, the number of the side holes and the number of the connecting pieces are two. The symmetrical arrangement makes the mechanism operation accept and accept balanced, and increases the working stability and the working reliability.

The invention has the beneficial effects that:

1. the water way is controlled to be opened and closed by drawing the second body, so that the water way is few in parts, simple in structure, convenient and fast to operate, strong in indication and easy to identify the working state.

2. The invention adopts a circular tube structure, and has large water passing sectional area and large water flow.

3. The second body of the invention can rotate universally and can rotate according to the required rotating direction, and the hose connected with the second body cannot be wound and broken.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of a push-pull switching valve according to a preferred embodiment of the present invention;

FIG. 2 is a three-dimensional view of a push-pull switching valve according to a preferred embodiment of the present invention;

FIG. 3 is an exploded perspective view of a push-pull switching valve according to a preferred embodiment of the present invention;

FIG. 4 is an exploded cross-sectional view of a push-pull switching valve according to a preferred embodiment of the present invention;

FIG. 5 is a schematic diagram of an open state of a push-pull switching valve according to a preferred embodiment of the present invention;

FIG. 6 is a schematic diagram of a closed state of a push-pull switching valve according to a preferred embodiment of the present invention;

figure 7 is a detail view of a push-pull switching valve coupling according to a preferred embodiment of the present invention.

In the figure:

100-a first body; 110-a counter bore; 111-side holes; 112-card slot A; 120-ring groove B; 130-ring groove C; 140-ring groove D; 150-seal ring E; 160, a sealing ring F; 170-hexagonal column

200-a second body; 210-a through-hole; 220-side tube; 230-card slot M; 240-card slot N

300-round tube; 310-sealing ring T; 320-card slot R

400-a connector; 410-a first clamping rib; 420-a second clamping rib; 430-elastic ring

500-sealing sheet

600-spring

700-first snap ring

800-second snap ring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. The embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any inventive work, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to analogous items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning 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 of ordinary skill in the art.

The following examples are given to illustrate the present invention.

As shown in fig. 1 to 7, a push-pull switching valve according to the present invention includes:

a first body 100, a second body 200, a circular tube 300, a connecting piece 400, and a sealing piece 500;

the first body 100 is cylindrical, an open counterbore 110 is arranged on the left side, two side holes 111 communicated with each other are arranged at the bottom of the counterbore 110, a hexagonal column 170 convenient for being pulled by a wrench is arranged on the outer side of the middle part of the body, an annular groove C130, an annular groove D140, a sealing ring E150 and a sealing ring F160 are sequentially arranged on the right side of the hexagonal column 170 along the axial direction, wherein the sealing ring E150 and the sealing ring F160 are positioned on two sides of the side holes 111;

the second body 200 is provided with a through hole 210 and a side pipe 220, the through hole 210 is communicated with the side pipe 220 and is arranged in a T shape, the through hole 210 is movably and hermetically sleeved on the first body 100, and the side pipe 220 is aligned and communicated with the side hole 111;

the sealing sheet 500 is fixedly arranged at the bottom of the counter bore 110;

a sealing ring T310 is arranged on the outer ring of the left side of the circular tube 300, a clamping groove R320 is arranged on the outer ring of the right side of the circular tube 300, the circular tube 300 is movably and hermetically inserted into the counter bore 110 through the sealing ring T310, one end of the connecting piece 400 is clamped on the clamping groove R320, and the other end of the connecting piece is matched with the second body 200;

when the second body 200 moves to the right, the connecting piece 400 is driven to drive the circular tube 300 to move to the right, and the circular tube 300 abuts against the sealing sheet 500 to realize sealing, so that the purpose of closing the water path is achieved (as shown in fig. 5); when the second body 200 moves to the left, the connecting member 400 is driven to drive the circular tube 300 to move to the left, and the circular tube 300 is far away from the sealing sheet 500, so as to open the waterway (as shown in fig. 6). Therefore, the opening and closing of the water path can be realized by drawing the second body 200, the operation is convenient and quick, the operation indicating property is good, the current use state is easy to identify, the structure is simple, and the manufacturing cost is low.

In this embodiment, the sealing piece further includes an elastic member, the elastic member is a spring 600, the elastic member is pre-tightened between the first body 100 and the second body 200, and the pre-tightening direction is a direction in which the circular tube 300 compresses the sealing piece 500. By adding the spring 600, the sealing of the circular tube 300 is more reliable, and the reliability of the mechanism is enhanced.

In this embodiment, the inner wall of the counter bore 110 is provided with a clamping groove a112, the clamping groove a112 is sleeved with a first clamping ring 700, the spring 600 is arranged in the counter bore 110, one end of the spring abuts against the first clamping ring 700, and the other end of the spring is pre-tightened to abut against the circular tube 300. Spring 600 sets up in inside, and the outward appearance is succinct, and the activity is smooth and easy, and spatial layout is reasonable.

In this embodiment, the connecting member 400 is movably disposed on the side hole 111, and has one end fixedly connected to the circular tube 300 and the other end clamped to the second body 200. The space of the side hole 111 is effectively utilized, the assembly is convenient, and the mechanism runs reliably.

In this embodiment, the connecting member 400 is provided with an elastic ring 430, a first clamping rib 410 and a second clamping rib 420, the first clamping rib 410 and the second clamping rib 420 are respectively located on two sides of the elastic ring 430, the circular tube 300 is provided with a clamping groove R320, the inner wall of the through hole 210 is provided with a clamping groove M230, the first clamping rib 410 is matched with the clamping groove M230, and the second clamping rib 420 is matched with the clamping groove R320. During the installation, pack into in advance the pipe 300, then will connecting piece 400 inserts side opening 111 makes second card muscle 420 with draw-in groove R320 block, then will second body 200 suit targets in place, at the in-process of packing into, elastic ring 430 takes place elastic deformation earlier, works as when second body 200 is installed and targets in place, elastic ring 430 resumes the shape, first card muscle 410 card is gone into draw-in groove M230, and the installation is simple quick, just connecting piece 400 simple structure, and it is simple to manufacture.

In this embodiment, the angle valve further includes a positioning device, the positioning device is disposed between the first body 100 and the second body 200, or between the first body 100 and the circular tube 300, and the positioning device maintains the angle valve in an open waterway state or a closed waterway state. Through setting up positioner for the operation of valve has more keeps off the position and feels, and is difficult to receive external force to change operating condition easily, strengthens its operational reliability.

In this embodiment, the positioning device includes a second snap ring 800, a snap groove N240, an annular groove C130, and an annular groove D140, the snap groove N240 is disposed on the inner wall of the through hole 210, the annular groove C130 and the annular groove D140 are disposed on the outer wall of the first body 100, the second snap ring 800 is movably disposed in the snap groove N240, and is engaged with the annular groove C130 in the state of opening the water path, and is engaged with the annular groove D140 in the state of closing the water path.

In this embodiment, the first body 100 is further provided with a ring groove B120, and the ring groove B120 is arranged on the outer wall of the first body 100 and aligned with the side hole 111. By arranging the ring groove B120, the cross-sectional area of the water flow of the second body 200 is not changed in a large range in the rotating process, and the water flow is ensured to be stable.

In this embodiment, the side holes 111 are axially elongated and rectangular, and are in transition fit with two sides of the sliding direction of the connecting member 400. Through side hole 111 with connecting piece 400 mutually support the mode, make connecting piece 400 can not rock at will at the operation in-process, guarantees to move smoothly nature.

In this embodiment, two side holes 111 and two connecting members 400 are symmetrically disposed. The symmetrical arrangement makes the mechanism operation accept and accept balanced, and increases the working stability and the working reliability.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A push-pull switching valve, comprising: the sealing device comprises a first body, a second body, a circular tube, a connecting piece and a sealing piece, wherein the first body is cylindrical and is provided with a counter bore and a side hole which are communicated, and the side hole is positioned at the bottom of the counter bore; the second body is provided with a through hole and a side pipe, the through hole is communicated with the side pipe and is arranged in a T shape, the through hole is movably and hermetically sleeved on the first body, and the side pipe is aligned and communicated with the side hole; the sealing sheet is fixedly arranged at the bottom of the counter bore; the circular tube is movably and hermetically inserted in the counter bore and is linked with the second body through the connecting piece, and moves between an opening waterway and a closing waterway; under the state of opening the waterway, the round pipe is far away from the sealing sheet; and in the state of closing the water path, the round pipe is in abutting sealing fit with the sealing sheet.

2. A push-pull switching valve according to claim 1, further comprising an elastic member, wherein the elastic member is pre-tensioned between the first body and the second body, and the pre-tensioning direction is a direction in which the circular tube presses the sealing piece.

3. A push-pull switching valve as claimed in claim 2 wherein the inner wall of the counterbore is provided with a snap groove a, a first snap ring is sleeved on the snap groove a, the elastic member is arranged in the counterbore, one end of the elastic member abuts against the first snap ring, and the other end of the elastic member is pre-tightened to abut against the circular tube.

4. A push-pull switching valve according to any one of claims 1, 2 and 3 wherein the connecting member is movably disposed on the side hole and has one end fixedly connected to the circular tube and one end snap-fitted to the second body.

5. A push-pull switching valve according to claim 4, wherein the connecting member is provided with an elastic ring, a first locking rib and a second locking rib, the first locking rib and the second locking rib are respectively positioned at two sides of the elastic ring, the circular tube is provided with a clamping groove R, the inner wall of the through hole is provided with a clamping groove M, the first locking rib is matched with the clamping groove M, and the second locking rib is matched with the clamping groove R.

6. A push-pull diverter valve according to claim 5 further comprising a positioning means disposed between said first body and said second body or between said first body and said barrel, said positioning means maintaining said angle valve in either an open waterway state or a closed waterway state.

7. The push-pull switching valve according to claim 6, wherein the positioning device comprises a second snap ring, a snap groove N, a ring groove C and a ring groove D, the snap groove N is arranged on the inner wall of the through hole, the ring groove C and the ring groove D are arranged on the outer wall of the first body, the second snap ring is movably arranged in the snap groove N and is clamped with the ring groove C in the open waterway state and is clamped with the ring groove D in the closed waterway state.

8. A push-pull switching valve according to any one of claims 1, 2, 3, 5, 6 and 7 wherein the first body is further provided with an annular groove B, the annular groove B being provided in the outer wall of the first body and aligned with the side bore.

9. A push-pull switching valve according to claim 8 wherein said side openings are axially elongated rectangular and transition fit with both sides of said connector in the sliding direction.

10. A push-pull switching valve according to claim 8 wherein there are two of said side holes and said connectors symmetrically disposed.

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