阅读说明：本技术 一种带止回功能的三角阀 (Triangular valve with non-return function ) 是由 谢炳泽 谢炳华 于 2018-06-20 设计创作，主要内容包括：本发明提出了一种带止回功能的三角阀,包括上部的阀身和下部的卡压接头,所述阀身的下方外径表面设置有两个对称的圆柱凸台,所述卡压接头的上端设置有与所述圆柱凸台相对应的L型卡槽,所述L型卡槽包括开设在卡压接头端部的方形导向部、与所述导向部相连通的中部限位部以及连通限位部的末端防跑偏部,该三角阀设计结构简单、操作方便,能够代替传统三角阀通过螺纹连接的方式,可快速的对三角阀进行拆装,并且在使用时能够避免传统三角阀的生料带老化而造成的漏水问题,也能够防止螺纹结构长期处于水介质环境下而发生生锈,便于维修和更换,在取下阀身时,能够利用弹簧的作用使阀芯与卡压接头内壁接触,实现止回的功能。(The invention provides a triangular valve with a non-return function, which comprises an upper valve body and a lower clamping and pressing joint, wherein two symmetrical cylindrical bosses are arranged on the outer diameter surface below the valve body, an L-shaped clamping groove corresponding to the cylindrical bosses is arranged at the upper end of the clamping and pressing joint, the L-shaped clamping groove comprises a square guide part arranged at the end part of the clamping and pressing joint, a middle limiting part communicated with the guide part and a tail end deviation preventing part communicated with the limiting part, the triangular valve is simple in design structure and convenient to operate, can replace the traditional triangular valve in a threaded connection mode, can be quickly assembled and disassembled, can avoid the water leakage problem caused by aging of a raw material belt of the traditional triangular valve in use, can prevent a threaded structure from rusting in an aqueous medium environment for a long time, is convenient to maintain and replace, and when the valve body is taken down, the valve core can be contacted with the inner wall of the clamping pressure joint by utilizing the action of the spring, and the non-return function is realized.)

1. The triangular valve with the non-return function is characterized by comprising an upper valve body (1) and a lower clamping pressure joint (6), wherein two symmetrical cylindrical bosses are arranged on the outer diameter surface below the valve body (1), an L-shaped clamping groove (9) corresponding to the cylindrical bosses is arranged at the upper end of the clamping pressure joint (6), the L-shaped clamping groove (9) comprises a square guide part (901) arranged at the end part of the clamping pressure joint (6), a middle limiting part (903) communicated with the guide part (901) and a tail end deviation preventing part (902) communicated with the limiting part (903), a valve core (4) concentric with the clamping pressure joint (6) is arranged inside the clamping pressure joint (6), the valve core (4) is elastically arranged on a positioning retainer ring (8) positioned inside the clamping pressure joint (6), and the valve core (4) comprises a valve core head part (401) with a conical upper end, The middle cylindrical portion (402) and the guide positioning portion (403) connected below the cylindrical portion (402), a plurality of guide grooves (404) are distributed in the circumferential direction of the cylindrical portion (402), the length direction of the guide grooves (404) is parallel to the central line of the valve core (4), the positioning retainer ring (8) is fixedly installed inside the clamping pressure joint (6), a plurality of water inlets (11) uniformly distributed around the center of the positioning retainer ring (8) penetrate through the positioning retainer ring (8), and the lower end of the clamping pressure joint (6) is connected with a water inlet pipe.

2. The triangular valve with the check function according to claim 1, wherein: the lower guide positioning part (403) of the valve core (4) is sleeved with a spring (5), the upper end of the spring (5) is in contact with the end face of the middle cylindrical part (402) of the valve core (4), and the lower end of the spring (5) is in contact with the end face of the central step part (13) of the positioning retainer ring (8).

3. The triangular valve with the check function according to claim 1, wherein: the valve body (1) is internally provided with a pressing part with a cross-shaped section, and after the valve body (1) is connected with the clamping and pressing joint (6), the end face of the cross-shaped pressing part (10) is contacted with a valve core head part (401) at the upper end of the valve core (4).

4. The triangular valve with the check function according to claim 3, wherein: the cross pressing part (10) is integrally connected with the valve body (1).

5. The triangular valve with the check function according to claim 1, wherein: a water outlet (2) is arranged on the side surface of the valve body (1).

6. The triangular valve with the check function according to claim 1, wherein: the size of a round hole (12) of the positioning retainer ring (8) for connecting the lower part of the valve core (4) and guiding the positioning part (403) is less than 20 mm.

7. The triangular valve with the check function according to claim 1, wherein: and at least two O-shaped sealing rings (3) are arranged at the inner diameter of one side of the clamping pressure joint (6) close to the L-shaped clamping groove (9).

8. The triangular valve with the check function according to claim 1, wherein: an elliptical sealing ring (7) is arranged on the inner wall below the clamping pressure joint (6).

Technical Field

The invention relates to the field of valves, in particular to a triangular valve with a non-return function.

Background

Disclosure of Invention

The invention provides a triangular valve with a non-return function, which is easy to install and disassemble, waterproof, antirust, convenient to maintain and replace.

The technical scheme of the invention is realized as follows:

a triangular valve with a non-return function comprises a valve body at the upper part and a clamping pressure joint at the lower part, wherein two symmetrical cylindrical bosses are arranged on the outer diameter surface below the valve body, an L-shaped clamping groove corresponding to the cylindrical bosses is arranged at the upper end of the clamping pressure joint, the L-shaped clamping groove comprises a square guide part arranged at the end part of the clamping pressure joint, a middle limiting part communicated with the guide part and a tail end deviation preventing part communicated with the limiting part, at least two O-shaped sealing rings are arranged at the inner diameter part of one side of the clamping pressure joint close to the L-shaped clamping groove, a valve core concentric with the clamping pressure joint is arranged in the clamping pressure joint, the valve core is elastically arranged on a positioning retaining ring in the clamping pressure joint, the valve core comprises a valve core head part with a conical upper end, a middle cylindrical part and a guiding and positioning part connected below the cylindrical part, and a plurality of flow guide grooves are distributed in the circumferential direction, the length direction of guiding gutter with the case central line is parallel to each other, location retaining ring fixed mounting is inside the joint is pressed to the card, just run through on the locating retaining ring and be provided with a plurality of water inlets around the central evenly distributed of location retaining ring, the inlet tube is connected to the lower extreme of joint is pressed to the card, install the elliptical seal circle on the joint inner wall position is pressed to the card.

Furthermore, a spring is sleeved on the guiding and positioning part below the valve core, the upper end of the spring is in contact with the end face of the middle cylindrical part of the valve core, and the lower end of the spring is in contact with the end face of the central step part of the positioning retainer ring.

Furthermore, the cross-shaped pressing part is arranged in the valve body, the cross-shaped pressing part is integrally connected with the valve body, and after the valve body is connected with the clamping and pressing joint, the end face of the cross-shaped pressing part is in contact with the head of the valve core at the upper end of the valve core.

Furthermore, a water outlet is formed in the side face of the valve body.

Furthermore, the size of a round hole, used for connecting the lower part of the valve core and used for guiding the positioning part, in the center position of the positioning retainer ring is smaller than 20 mm.

By adopting the technical scheme, the invention has the beneficial effects that: this three angle valves design simple structure, convenient operation, can replace traditional three angle valves to pass through threaded connection's mode, can be quick carry out the dismouting to three angle valves to can avoid the raw material area of traditional three angle valves ageing and the problem of leaking that causes when using, also can prevent that helicitic texture from being in under the aqueous medium environment for a long time and taking place to rust, be convenient for maintain and change, when taking off the valve body, can utilize the effect of spring to make case and card pressure joint inner wall contact, realize non return function.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a top view of the retaining ring of the present invention;

FIG. 4 is an enlarged view of a portion of the present invention;

fig. 5 is a schematic structural view of the valve cartridge of the present invention.

Wherein: 1. a valve body; 2. a water outlet; 3. an O-shaped sealing ring; 4. a valve core; 401. a valve cartridge head; 402. a cylindrical portion; 403. a guiding and positioning part; 404. a diversion trench; 5. a spring; 6. clamping and pressing the joint; 7. an elliptical seal ring; 8. positioning a retainer ring; 9. an L-shaped clamping groove; 901. a guide portion; 902. a deviation preventing part; 903. a limiting part; 10. a cross-shaped pressing part; 11. a water inlet; 12. a circular hole; 13. a step portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-5, a triangular valve with a non-return function comprises an upper valve body 1 and a lower clamping and pressing joint 6, wherein two symmetrical cylindrical bosses are arranged on the outer diameter surface below the valve body 1, an L-shaped clamping groove 9 corresponding to the cylindrical bosses is arranged at the upper end of the clamping and pressing joint 6, the L-shaped clamping groove 9 comprises a square guide part 901 arranged at the end part of the clamping and pressing joint 6, a middle limiting part 903 communicated with the guide part 901, and a tail end deviation preventing part 902 communicated with the limiting part 903, wherein the deviation preventing part 902 is used for limiting the cylindrical bosses and preventing the valve body 1 and the clamping and pressing joint 6 from rotating relatively; the inner diameter of one side of the clamping pressure joint 6, which is close to the L-shaped clamping groove 9, is provided with two O-shaped sealing rings 3, the O-shaped sealing rings 3 are used for achieving the purpose of preventing water leakage, a valve core 4 which is concentric with the clamping pressure joint 6 is arranged in the clamping pressure joint 6, the valve core 4 is elastically arranged on a positioning retainer ring 8 which is arranged in the clamping pressure joint 6, the valve core 4 comprises a valve core head part 401 with a conical upper end, a middle cylindrical part 402 and a guiding positioning part 403 which is connected below the cylindrical part 402, wherein the inclined surface of the valve core head part 401 is in surface contact with the inner wall of the clamping pressure joint 6, the purpose of non-return can be achieved under the extending state of the spring 5, a plurality of flow guide grooves 404 are distributed in the circumferential direction of the cylindrical part 402, the length direction of the flow guide grooves 404 is parallel to the central line of the valve core 4, and 8 water inlets 11 which are uniformly distributed around the center of the positioning retainer ring 8 penetrate through the positioning retainer ring 8, the lower end of the clamping pressure joint 6 is connected with a water inlet pipe, and an elliptical sealing ring 7 is arranged on the inner wall of the clamping pressure joint 6.

Further, a spring 5 is sleeved on the lower guide positioning portion 403 of the valve element 4, the upper end of the spring 5 is in contact with the end face of the middle cylindrical portion 402 of the valve element 4, and the lower end of the spring 5 is in contact with the end face of the central step portion 13 of the positioning retainer ring 8.

Furthermore, the valve body 1 is internally provided with a pressing part with a cross-shaped section, the cross-shaped pressing part 10 is integrally connected with the valve body 1, and after the valve body 1 is connected with the clamping and pressing joint 6, the end surface of the cross-shaped pressing part 10 is in contact with the valve core head 401 at the upper end of the valve core 4.

Further, a water outlet 2 is arranged on the side surface of the valve body 1.

Further, the size of the round hole 12 below the valve core 4 for connecting and guiding the positioning part 403 of the positioning retainer ring 8 is less than 20 mm.

When the triangular valve is used, the L-shaped clamping groove 9 at the upper end of the clamping and pressing joint 6 is matched with the cylindrical protrusion below the valve body 1, so that the cylindrical protrusion is clamped in the L-shaped clamping groove 9, at the moment, the cross-shaped pressing part 10 arranged inside the valve body 1 is mutually abutted with the valve core head part 401 and presses the valve core 4, a water path is conducted, and water enters the triangular valve from a water pipe below and is led out from the water outlet 2 above the valve body 1;

in the process of conducting the water path, water is guided into the clamping and pressing joint 6 through the water inlet 11 formed in the positioning retainer ring 8 and continuously flows upwards from the diversion trench 404 on the side surface of the valve core 4, and when the water enters the valve body 1, the water flows upwards from the through hole on the side surface of the cross-shaped pressing part 10 and finally flows out from the water outlet 2;

when the valve body 1 is disassembled, the force applied to the valve core head part 401 by the cross-shaped pressing part 10 disappears, and after the acting force applied to the spring 5 disappears, the spring 5 extends, so that the valve core head part 401 is in contact with the inner wall of the clamping and pressing joint 6, and the non-return function is realized.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.