CN213629124U

CN213629124U - Check valve with good sealing performance

Info

Publication number: CN213629124U
Application number: CN202022803844.3U
Authority: CN
Inventors: 方强
Original assignee: Shanghai Shankua Water Purification Technology Co ltd
Current assignee: Shanghai Shankua Water Purification Technology Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-07-06
Anticipated expiration: 2030-11-28

Abstract

The utility model discloses a check valve with good leakproofness, including the check valve body, be provided with the installation interface on the check valve body, be provided with the delivery port on the check valve body, installation interface and delivery port are located the both sides of check valve body respectively, and installation interface and delivery port all communicate with each other with the check valve body and set up, be provided with the adjusting device who is used for delivery port angular adjustment between check valve body and the installation interface, adjusting device is including fixing the collar on the check valve body inner wall, the collar has been leaned on and has been seted up the arc wall on the lateral wall to the installation interface, first conical surface has been seted up on the top lateral wall of arc wall. The check valve is simple to operate and convenient to implement, various angle adjustments can be still carried out after the check valve is fixed on the installation pipe, the check valve is suitable for water outlet requirements of different angles, and the practicability of the check valve is improved.

Description

Check valve with good sealing performance

Technical Field

The utility model relates to a check valve technical field specifically is a check valve with good leakproofness.

Background

The check valve is a valve which automatically opens and closes a valve flap by the flow of a medium and is used for preventing the medium from flowing backwards, and is also called a check valve, a one-way valve, a reverse flow valve and a back pressure valve. The check valve belongs to an automatic valve and mainly has the functions of preventing medium from flowing backwards, preventing the pump and the driving motor from reversing and preventing the medium in a container from being discharged;

the check valve carries out the screw thread installation through installation interface and installation pipe on the check valve in the process of using, and the back is accomplished in the installation, and the installation interface on check valve and the check valve all is fixed on the installation pipe, causes the angle of check valve in the in-process delivery port that uses and can't adjust, is difficult to adapt to the play water demand of different angles, has reduced the practicality of check valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a check valve with good leakproofness possesses the advantage that can carry out the multi-angle and adjust to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a check valve with good sealing performance comprises a check valve body, wherein an installation interface is arranged on the check valve body, a water outlet is arranged on the check valve body, the installation interface and the water outlet are respectively positioned at two sides of the check valve body, the installation interface and the water outlet are both communicated with the check valve body, an adjusting device for adjusting the angle of the water outlet is arranged between the check valve body and the installation interface, the adjusting device comprises an installation ring fixed on the inner wall of the check valve body, an arc-shaped groove is formed in the side wall, close to the installation interface, of the installation ring, a first conical surface is formed in the side wall at the top of the arc-shaped groove, a second conical surface is formed in the side wall, close to one end of the check valve body, of the installation interface, the first conical surface and the second conical surface are abutted against each other, a plurality of fixing rods are fixed on the inner wall of the arc-shaped groove, the side wall of each fixed rod is sleeved with a spring, one end of each spring is fixed to the inner wall of the arc-shaped groove, the other end of each spring is fixed to the side wall of each sliding plate, and each sliding plate is fixed to the side wall, located inside the arc-shaped groove, of the installation interface through a sliding device.

Preferably, the sliding device comprises an annular sliding groove formed in the side wall of the installation interface inside the arc-shaped groove, the annular sliding groove is connected with a plurality of sliding blocks matched with the annular sliding groove in a sliding mode, and the top of each sliding block is fixed to the side wall of each sliding plate.

Preferably, the inclination angle between the first conical surface and the second conical surface is Morse second taper.

Preferably, square grooves are symmetrically formed in the side wall of the check valve body, and anti-slip strips are arranged on the side wall of the top of each square groove.

Preferably, an indication mark for adjusting the starting direction of the device is arranged on the side wall of the mounting interface.

Preferably, a sealing rubber strip is fixedly embedded in the side wall where the mounting interface abuts against the check valve body.

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

1. this check valve with good leakproofness, through the spring, the sliding plate, the setting of first conical surface and second conical surface, when needing to adjust the play water angle of the delivery port on the check valve, promote the check valve body according to direction of indication of indicator, make first conical surface and second conical surface no longer offset under the effect of force, can rotate the check valve body this moment and carry out angle modulation, and easy operation, it is convenient to implement, make the check valve still can carry out various angle modulation after fixed on the installation pipe, adapt to the play water demand of different angles, the practicality of check valve has been improved.

2. This check valve with good leakproofness through the setting of parts such as spring, joint strip, after angular adjustment accomplishes, stops the promotion to the check valve, and the installation interface leans on under the elastic force effect of each spring to the arc wall motion, and at the in-process of its motion, joint strip on the installation interface offsets with the lateral wall of check valve body, has improved the holistic leakproofness of check valve.

Drawings

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

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the adjusting device of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a check valve body; 2. installing an interface; 3. a water outlet; 4. a mounting ring; 5. an arc-shaped slot; 6. a first conical surface; 7. a second tapered surface; 8. a sliding plate; 9. fixing the rod; 10. a spring; 11. an annular chute; 12. a slider; 13. a square groove; 14. an indication mark.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: a check valve with good sealing performance comprises a check valve body 1, wherein an installation interface 2 is arranged on the check valve body 1, a water outlet 3 is arranged on the check valve body 1, the installation interface 2 and the water outlet 3 are respectively positioned at two sides of the check valve body 1, the installation interface 2 and the water outlet 3 are both communicated with the check valve body 1, an adjusting device for adjusting the angle of the water outlet 3 is arranged between the check valve body 1 and the installation interface 2, the adjusting device comprises an installation ring 4 fixed on the inner wall of the check valve body 1, an arc-shaped groove 5 is arranged on the side wall of the installation ring 4 close to the installation interface 2, a first conical surface 6 is arranged on the side wall of the top of the arc-shaped groove 5, a second conical surface 7 is arranged on the side wall of one end of the installation interface 2 close to the check valve body 1, the first conical surface 6 is abutted against the second conical surface, and a plurality of fixing rods 9, the side wall of each fixed rod 9 is slidably connected with a sliding plate 8, the side wall of each fixed rod 9 is sleeved with a spring 10, one end of each spring 10 is fixed with the inner wall of the arc-shaped groove 5, the other end of each spring 10 is fixed with the side wall of the sliding plate 8, each sliding plate 8 is fixed with the side wall of the installation interface 2 in the arc-shaped groove 5 through a sliding device, the check valve body 1 can be rotated to adjust the angle, and in the adjustment process, each sliding plate 8 slides on the side wall of the installation interface 2 to realize the rotation of the check valve body 1;

the sliding device comprises an annular sliding groove 11 which is arranged on the side wall of the installation interface 2 and positioned in the arc-shaped groove 5, the annular sliding groove 11 is connected with a plurality of sliding blocks 12 matched with the annular sliding groove in a sliding manner, the top of each sliding block 12 is fixed with the side wall of each sliding plate 8, and the sliding device is mainly used for playing a role in sliding limiting, so that each sliding plate 8 is more stable in the sliding process, and the transmission quality is improved;

the inclination angle between the first conical surface 6 and the second conical surface 7 is Morse's second taper, mainly in order to make the first conical surface 6 and the second conical surface 7 fixed more stably by setting up the taper, the side wall of the check valve body 1 is symmetrically provided with square grooves 13, the top side walls of the two square grooves 13 are provided with anti-slip strips, mainly in order to increase the friction force, the check valve body 1 is conveniently pushed and conveniently adjusted, the side wall of the installation interface 2 is provided with an indicating mark 14 for guiding the starting direction of the adjusting device, and mainly in order to rapidly identify, a sealing rubber strip is fixedly embedded on the side wall of the installation interface 2 abutting against the check valve body 1, after the adjustment is completed, the pushing of the check valve body 1 is stopped, the installation interface 2 moves towards the arc-shaped groove 5 under the elastic force of each spring 10, in the moving process, the sealing rubber strip on the installation interface 2 is abutted against the side wall of the check valve body 1, so that the overall sealing performance of the check valve is improved.

The working principle is as follows: in the using process of the check valve body 1, the installation interface 2 is processed to be in threaded connection with an installation pipe, water needing to be circulated enters from the installation interface 2, passes through the check valve body 1 and is finally discharged from the water outlet 3, in the circulating process of the water in the check valve body 1, the first conical surface 6 and the second conical surface 7 are abutted under the action of each spring 10, under the setting condition of Morse taper, relative rotation is difficult to occur between the first conical surface 6 and the second conical surface 7, the angle of the water outlet 3 cannot be adjusted at the moment, when angle adjustment is needed, water inlet is stopped, the check valve body 1 is pushed according to the indication direction of the indication mark 14, the first conical surface 6 on the installation interface 2 is enabled not to be abutted against the second conical surface 7 on the check valve body 1 under the action of force, at the moment, the check valve body 1 can be rotated to perform angle adjustment, and in the adjusting process, each sliding plate 8 slides on the side wall of the installation interface 2, the rotation of the check valve body 1 is realized, the operation is simple, the implementation is convenient, the check valve can still be adjusted at various angles after being fixed on the installation pipe, the water outlet requirements at different angles are met, the practicability of the check valve is improved, after the adjustment is completed, the pushing of the check valve body 1 is stopped, the installation interface 2 moves towards the arc-shaped groove 5 under the elastic action of each spring 10, in the moving process, the sealing rubber strips on the installation interface 2 are abutted against the side wall of the check valve body 1, and the overall sealing performance of the check valve is improved.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The check valve with good sealing performance comprises a check valve body (1) and is characterized in that an installation interface (2) is arranged on the check valve body (1), a water outlet (3) is arranged on the check valve body (1), the installation interface (2) and the water outlet (3) are respectively positioned on two sides of the check valve body (1), the installation interface (2) and the water outlet (3) are communicated with the check valve body (1), an adjusting device for adjusting the angle of the water outlet (3) is arranged between the check valve body (1) and the installation interface (2), the adjusting device comprises an installation ring (4) fixed on the inner wall of the check valve body (1), the installation ring (4) is provided with an arc-shaped groove (5) close to the side wall of the installation interface (2), and a first arc-shaped groove (6) is provided on the side wall of the top of the arc-shaped groove (5), the installation interface (2) is close to and has seted up second conical surface (7) on the one end lateral wall of check valve body (1), and first conical surface (6) and second conical surface counterbalance setting, be fixed with a plurality of dead levers (9) on the inner wall of arc wall (5), each sliding connection has sliding plate (8) on the lateral wall of dead lever (9), each the cover is equipped with spring (10) on the lateral wall of dead lever (9), the one end of spring (10) is fixed mutually with the inner wall of arc wall (5), the other end of spring (10) is fixed mutually with the lateral wall of sliding plate (8), each sliding plate (8) are located the inside lateral wall of arc wall (5) through slider and installation interface (2) and are fixed mutually.

2. The check valve with good sealing performance according to claim 1, wherein: the sliding device comprises an annular sliding groove (11) which is arranged on the side wall of the mounting interface (2) inside the arc-shaped groove (5), a plurality of sliding blocks (12) matched with the annular sliding groove (11) are connected to the annular sliding groove in a sliding mode, and the tops of the sliding blocks (12) are fixed with the side wall of each sliding plate (8).

3. The check valve with good sealing performance according to claim 1, wherein: the inclination angle between the first conical surface (6) and the second conical surface (7) is Morse second-order taper.

4. The check valve with good sealing performance according to claim 1, wherein: the check valve is characterized in that square grooves (13) are symmetrically formed in the side wall of the check valve body (1), and anti-slip strips are arranged on the side wall of the top of each square groove (13).

5. The check valve with good sealing performance according to claim 1, wherein: and an indication mark (14) for adjusting the starting direction of the device is arranged on the side wall of the mounting interface (2).

6. The check valve with good sealing performance according to claim 1, wherein: and a sealing rubber strip is fixedly embedded on the side wall where the mounting interface (2) is abutted to the check valve body (1).