CN108895189B

CN108895189B - Safety angle valve

Info

Publication number: CN108895189B
Application number: CN201811093224.6A
Authority: CN
Inventors: 洪炳开
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-19
Filing date: 2018-09-19
Publication date: 2023-08-25
Anticipated expiration: 2038-09-19
Also published as: CN108895189A

Abstract

The invention discloses a safe angle valve, which comprises a valve body, a valve core and a linkage valve clack; the valve body is provided with a water inlet, a water outlet and a water quantity control port, the valve body is provided with a water inlet section corresponding to the water inlet, the outer side wall of the water inlet section is provided with external threads for installing the angle valve, and the inner side wall of the water inlet section is convexly provided with a valve ring; the water inlet and the water outlet form a 90-degree corner, the valve core is arranged at the corner, the valve core is provided with a first end and a second end which face the water inlet and the water quantity control port respectively, the second end of the valve core is in threaded connection with the water inlet section of the valve body through internal threads, and the end part of the second end of the valve core is limited by the valve ring; the linkage valve clack is matched with the valve ring of the water inlet section, and is assembled by mutually separating the linkage valve clack and the valve ring through the matching of the valve core and the spring piece. The automatic water interception of the angle valve is realized, water leakage can be prevented, various safety problems possibly caused by water leakage can be well avoided, the fracture safety of the angle valve is greatly improved, and the practicability is high.

Description

Safety angle valve

Technical Field

The invention relates to the technical field of angle valve water heating accessories, in particular to a safe angle valve.

Background

The angle valve, namely the angle stop valve, is an important water heating accessory, is mainly used for switching an inner water outlet and an outer water outlet, adjusting water pressure, water leakage, opening and closing, attractive appearance and the like, is currently used for hydropower installation in decoration industry, and is very common for civil use and industrial use. As shown in fig. 4, the conventional angle valve structure comprises a valve body 1' and a valve core 2', wherein the valve body 1' is in a three-way structure and is provided with a water inlet 11', a water outlet 12 and a water quantity control port 13', the water inlet 11' is connected with a water pipe 4' through threads 16', the water inlet 11' and the water outlet 12' form a 90-degree corner, the valve core 2' is arranged at the corner, the lower end of the valve core 2' is supported by a boss 15' arranged on the inner side wall of the valve body 1', the upper end of the valve core 2' is in threaded connection with the valve body 1' through threads 14', the upper end of the valve core 2' is also connected with a hand wheel 3', and the hand wheel 3' extends out of the water quantity control port 13'.

One of the most frequent accidents in the use of the conventional angle valve structure is the problem of valve body fracture, the fracture positions are two positions of a thread 14 'and a thread 16', the internal stress structures of the two thread positions are weaker, and in addition, the screw-off screwing operation is carried out at intervals, so that the valve body fracture high-incidence position is formed, when the valve body fracture occurs in the conventional angle valve structure, the water pipe water leakage safety problem is necessarily caused, and the secondary safety problems such as indoor water diffusion, wall body damage and electrical damage caused by a large amount of water leakage are generally not found in time. And when the thread 14 'breaks, water leakage is caused, and the valve core 2' is easy to stay in the valve body and is not easy to detach during maintenance, so that maintenance operation is influenced.

In view of this, the present inventors have conducted intensive studies on the above-mentioned problems, and proposed a safety-type angle valve, which has resulted therefrom.

Disclosure of Invention

The invention aims to provide a safe angle valve which has the function of preventing water leakage when a valve body breaks through ingenious structural improvement, thereby well avoiding various safety problems, and being quite safe and practical.

In order to achieve the above object, the solution of the present invention is:

a safe angle valve comprises a valve body, a valve core and a linkage valve clack; the valve body is provided with a water inlet, a water outlet and a water quantity control port, the valve body is provided with a water inlet section corresponding to the water inlet, the outer side wall of the water inlet section is provided with external threads for installing the angle valve, and the inner side wall of the water inlet section is convexly provided with a valve ring; the water inlet and the water outlet form a 90-degree corner, the valve core is arranged at the corner, the valve core is provided with a first end and a second end which face the water inlet and the water quantity control port respectively, the second end of the valve core is in threaded connection with the water inlet section of the valve body through internal threads, and the end part of the second end of the valve core is limited by the valve ring; the linkage valve clack is matched with the valve ring of the water inlet section, and is assembled by mutually separating the linkage valve clack and the valve ring through the matching of the valve core and the spring piece.

One end of the linkage valve clack is resisted by the valve core, and the other end of the linkage valve clack is elastically limited by the compression spring which is mutually separated from the valve ring.

The linkage valve clack is of a truncated cone structure with the bottom surface facing one side of the water inlet, and the corresponding water sealing surface is the side surface of the truncated cone; the water sealing surface of the valve ring is an annular surface matched with the side surface of the circular table.

A first ring sleeve member is assembled between the valve core and the valve ring in the water inlet section, one end face of the first ring sleeve member is supported by the valve ring in a limiting mode, and the second end portion of the valve core is supported on the other end face of the first ring sleeve member.

A sealing gasket is arranged between the first ring sleeve member and the valve ring.

An O-shaped sealing ring is arranged at the end part of the second end of the valve core, and an annular groove for embedding the O-shaped sealing ring is concavely arranged on the other end face of the valve core, which corresponds to the first ring sleeve member.

The water inlet section is internally provided with a second ring sleeve member corresponding to the position close to the water inlet, and two ends of the compression spring respectively lean against the linkage valve clack and the second ring sleeve member.

The second ring sleeve member is assembled in the water inlet section through the internal thread structure.

The water inlet section of the valve body is provided with a reducing extension section in an extending mode, and the second ring sleeve member is installed in the reducing extension section.

After the scheme is adopted, the safety angle valve has the beneficial effects compared with the prior art that: the angle valve has the main innovation points that the linkage valve clack mechanism is arranged in the valve body, the position of the thread structure for installing the valve core is changed, under the premise of ensuring the assembly stability of the valve core, when the valve body is broken, namely, the external thread or the internal thread on the valve body is broken, the valve core is separated from the valve body, at the moment, the linkage valve clack loses the resistance limit of the valve core, and is elastically stretched and reset by the compression spring, so that the linkage valve clack can be driven to automatically close the valve ring, the automatic water interception of the broken angle valve is realized, various safety problems possibly caused by water leakage can be prevented, the breaking safety of the angle valve is greatly improved, and the angle valve is high in practicability.

Drawings

FIG. 1 is a schematic view of a safety angle valve of the present invention;

FIG. 2 is a schematic view of a first ring set of the present invention;

FIG. 3 is a schematic view of a second ring set of the present invention;

fig. 4 is a schematic view of a prior art angle valve.

The valve body 1, the water inlet section 10, the external thread 101, the valve ring 102, the internal thread 103,

the internal thread structure 104, the reduced diameter extension 105, the water inlet 11,

a water outlet 12, a water quantity control port 13, a valve core 2, a linkage valve clack 3, a spring element 4,

the first ring set 5, the annular groove 51, the second ring set 6, the sealing gasket 71,

o-shaped sealing ring 72, hand wheel piece 8, connecting water pipe 9.

Detailed Description

The present invention will be described in further detail with reference to the following specific embodiments.

The present application relates to a safety angle valve, as shown in fig. 1-3, mainly comprising a valve body 1, a valve core 2, a linkage valve clack 3 and a spring member 4.

The valve body 1 is of a three-way structure and is provided with a water inlet 11, a water outlet 12 and a water quantity control port 13, and the water inlet 11 and the water outlet 12 form 90-degree corners. The valve body 1 has a water inlet section 10 corresponding to a water inlet 11 and likewise has a water outlet section corresponding to a water outlet 12. The water inlet section 10 and the water outlet section are connected at a 90 degree corner.

The outer side wall of the water inlet section 10 is provided with an external thread 101 for installing the angle valve, namely, when the angle valve is installed, the angle valve is in threaded connection with a related accessory (such as a connecting water pipe 9 in the embodiment) through the external thread 101. The valve ring 102 is provided on the inner side wall of the water inlet section 10 in a protruding manner. Assuming that the end of the water inlet section 10 near the water outlet section is at a high point, the end of the water inlet 11 is at a low point, the high end of the external thread 101 (as indicated by D1 in the figure) is usually an easy break point of the valve body 1, and the setting position of the valve ring 102 on the water inlet section 10 is lower than the high end of the external thread 101, so as to avoid the easy break point of the valve body 1.

The valve core 2 is arranged at the corner in the valve body 1, the valve core 2 is provided with a first end and a second end which face the water inlet 10 and the water quantity control port 13 respectively, and the first end of the valve core 2 extends to the water quantity control port 13 so as to be connected with the hand wheel piece 8 on the water quantity control port 13, so that the opening and closing operation of the valve core 2 is realized through the hand wheel piece 8. The second end of the valve core 2 is in threaded connection with the water inlet section 10 of the valve body 1 through an internal thread 103, and the second end of the valve core 2 is limited by a valve ring 102. The valve core 2 is in limit fit with the valve ring 102 through the internal thread 103, so that stable assembly in the valve body 1 is realized. The position where the internal thread 103 is screwed (as indicated by D2 in the figure) is usually another easy break point of the valve body 1. The scheme is that two groups of thread easy break points (D1 and D2) which are inevitably arranged on the valve body 1 are relatively and intensively arranged on the water inlet section 10 and are adjacent to the second end position of the valve core 2, when the valve body breaks, the valve core 2 can be ensured to be separated from the rest valve body part, the linkage action of the linkage valve clack 3 is facilitated firstly, and the maintenance after the breaking is facilitated secondly. In addition, in order to reduce the fracture probability of the valve body 1, the internal thread 103 and the external thread 101 are designed to be arranged in a staggered manner on the water inlet section 10, namely, the internal and external crossed arrangement is avoided.

The linkage valve clack 3 is matched with the position of the valve ring 102 arranged on the water inlet section 10, and the linkage valve clack 3 is matched with the spring element 4 through the valve core 2 to be assembled in a mutually separated opening mode with the valve ring 102. When the linkage flap 3 loses the resistance of the valve core 2 (when a break occurs), the linkage flap 3 elastically resumes the self-closing assembly against the valve ring 102 by means of the spring element 4.

Preferably, a specific assembly implementation mode of the linkage valve clack 3 is provided, the linkage valve clack 3 is lower than the valve ring 102, one end of the linkage valve clack 3 is resisted by the valve core 2, specifically, the linkage valve clack 3 extends to be abutted against the valve core 2, the other end of the linkage valve clack 3 is abutted against a compression spring, and the other end of the linkage valve clack 3 is elastically limited by the compression spring. The valve clack 3 is separated from the valve ring 102 by the valve core 2 to the lower position, and is elastically stretched and restored by a compression spring under the condition that the valve core 2 is out of the position of the valve clack 3, the valve clack 3 is automatically elastically displaced to the higher position under the stress, and the valve clack is closed by abutting against the valve ring 102.

Further, in order to facilitate the abutting closing action of the linkage valve clack 3 and the valve ring 102, a truncated cone surface matching structure is adopted between the two, namely, the main body of the linkage valve clack 3 is a truncated cone structure with the bottom surface facing one side of the water inlet 10, and the corresponding water sealing surface is the side surface of the truncated cone; the sealing surface of the valve ring 102 is an annular surface matched with the side surface of the circular table. By adopting the design of the diameter-expanding inclined annular surface from the high position to the low position, the linkage valve clack 3 is ensured to slide into the valve ring 102 in a smooth alignment way, and the limiting of the valve ring 102 to the linkage valve clack 3 is facilitated to realize the mutual closing action of the two. In addition, in order to facilitate the tightness of the closure between the valve ring 102 and the linkage flap 3, a sealing member may be provided on the sealing surfaces of both.

Preferably, in order to facilitate assembly, a first ring sleeve 5 is assembled between the corresponding valve core 2 and the valve ring 102 in the water inlet section 10, and then one end surface of the first ring sleeve 5 is supported by the valve ring 102 in a limiting manner, and the second end part of the valve core 2 is supported on the other end surface of the first ring sleeve 5. As shown in fig. 2, the first ring set 5 includes a ring set body 51, a mounting groove 52, and a plurality of connecting pieces 53 (three pieces are provided in the embodiment) integrally connecting the ring set body 51 and the mounting groove 52, and communication ports 54 are provided between adjacent connecting pieces 53. The first ring sleeve member 5 plays a role of transitional connection support, and simultaneously ensures that a water inlet passage of the water inlet section 10 is smooth, and in addition, a valve rod of the linkage valve clack 3 correspondingly penetrates through the mounting groove 52 to realize effective positioning.

Further, in order to enhance the sealing of the water inlet section 10, a sealing gasket 71 is provided between the first ring set 5 and the valve ring 102. In addition, an O-ring 72 is mounted on the second end of the valve core 2, and an annular groove 51 in which the O-ring 72 is embedded is concavely provided on the other end face of the first ring set 5.

Preferably, the limiting arrangement mode of the compression spring is that a second ring sleeve member 6 is arranged in the water inlet section 10 at a position corresponding to the position close to the water inlet 11, and two ends of the compression spring respectively lean against the linkage valve clack 3 and the second ring sleeve member 6. In order to facilitate the stable arrangement of the compression spring, the linkage valve clack 3 is provided with a loop bar, and the compression spring is sleeved on the loop bar. The second ring set 6 is assembled in the water inlet section 10. In a preferred embodiment, the second ring set 6 is assembled with the water inlet section 10 by means of an internal thread structure 104. Preferably, the second ring set 6 has a structure similar to that of the first ring set 5, that is, the second ring set 6 includes a ring set body 61, a mounting groove 62, and a plurality of connecting pieces 63 (three pieces are provided in the embodiment) integrally connecting the ring set body 61 and the mounting groove 62, and a communication port 64 is provided between adjacent connecting pieces 63. The second ring sleeve member 6 plays a role of a limiting compression spring, and simultaneously ensures that a water inlet passage of the water inlet section 10 is smooth, and in addition, a sleeve rod of the linkage valve clack 3 correspondingly penetrates through the mounting groove 62 to realize effective positioning.

Further, in order to facilitate the installation of the second ring set 6 in the water inlet section 10, it is necessary to lengthen the water inlet section 10, and in the specific embodiment, the water inlet section 10 of the valve body 1 is provided with a reduced diameter extension section 105 in an extending manner, and the second ring set 6 is installed in the reduced diameter extension section 105. The purpose of the reduced diameter design is to facilitate the screw-fitting action of the external thread 101 with the connecting water pipe 9.

The safe angle valve mainly has the innovation points that the design of the linkage valve clack mechanism and a series of corresponding designs brought by the linkage valve clack mechanism are adopted. The angle valve is installed on connecting water pipe 9, and during normal use, linkage valve clack 3 is by case 2 and spring part 4 combined action, and linkage valve clack 3 and valve ring 102 are separated each other, and the intake path of valve body 1 is in the state of switch-on, and the water of water inlet 11 input is led to case 2 through second ring external member 6, valve ring 102, first ring external member 5 in proper order, opens case 2 through rotatory hand wheel piece 8, and water is sent to delivery port 12 smoothly through case 2. When the valve body 1 breaks (D1 or D2), the broken part of the valve body 1 and the valve core 2 are separated from the connecting water pipe 9, at the moment, the linkage valve clack 3 instantaneously loses the resisting pressure of the valve core 2, the spring piece 4 automatically and elastically resets in real time, the linkage valve clack 3 is driven to move towards the valve ring 102 until the sealing sleeve is arranged on the valve ring 102, and the water pressure in the direction of the water inlet is matched for assistance, so that the effective sealing connection of the water pipe 9 is realized, the breaking water leakage prevention effect is achieved, and the safety performance of the angle valve in use is greatly improved. The safe type angle valve structure of this case is from taking safe stagnant water function, and the design is succinct, nimble, need not to set up complex structure such as induction system, and the practicality is extremely strong.

The foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications that come within the scope of the following claims are intended to be embraced therein.

Claims

1. A safety type angle valve, characterized in that: comprises a valve body, a valve core and a linkage valve clack; the valve body is provided with a water inlet, a water outlet and a water quantity control port, the valve body is provided with a water inlet section corresponding to the water inlet, the outer side wall of the water inlet section is provided with external threads for installing the angle valve, and the inner side wall of the water inlet section is convexly provided with a valve ring; the water inlet and the water outlet form a 90-degree corner, the valve core is arranged at the corner, the valve core is provided with a first end and a second end which face the water quantity control port and the water inlet respectively, the second end of the valve core is in threaded connection with the water inlet section of the valve body through internal threads, and the end part of the second end of the valve core is limited by the valve ring; the linkage valve clack is matched with the valve ring position of the water inlet section, and the linkage valve clack is matched with the valve core and the spring piece to realize the mutual separation and assembly with the valve ring; one end of the linkage valve clack is blocked by the valve core, and the other end of the linkage valve clack is elastically limited by the mutual separation of the spring piece and the valve ring; the linkage valve clack is of a truncated cone structure with the bottom surface facing one side of the water inlet, and the corresponding water sealing surface is the side surface of the truncated cone; the water sealing surface of the valve ring is an annular surface matched with the side surface of the circular table; a first ring sleeve member is assembled between the valve core and the valve ring in the water inlet section, one end face of the first ring sleeve member is supported by the valve ring in a limiting manner, and the second end part of the valve core is supported on the other end face of the first ring sleeve member; the water inlet section is internally provided with a second ring sleeve member corresponding to the position close to the water inlet, and two ends of the spring member respectively lean against the linkage valve clack and the second ring sleeve member.

2. A safety angle valve as claimed in claim 1, wherein: a sealing gasket is arranged between the first ring sleeve member and the valve ring.

3. A safety angle valve as claimed in claim 1, wherein: an O-shaped sealing ring is arranged at the end part of the second end of the valve core, and an annular groove for embedding the O-shaped sealing ring is concavely arranged on the other end face of the valve core, which corresponds to the first ring sleeve member.

4. A safety angle valve as claimed in claim 1, wherein: the second ring sleeve member is assembled in the water inlet section through the internal thread structure.

5. A safety angle valve as claimed in claim 1, wherein: the water inlet section of the valve body is provided with a reducing extension section in an extending mode, and the second ring sleeve member is installed in the reducing extension section.