CN217081546U

CN217081546U - Water stop valve

Info

Publication number: CN217081546U
Application number: CN202221039757.8U
Authority: CN
Inventors: 胡远秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-07-29
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a water stop valve, includes first body and second body, and the lower extreme opening is sealed to first body upper end, and the lower extreme of first body is formed with connection structure, and second body one end is connected the other end with first body and is formed with the interface from first body side direction extension, and first body and second body communicate its characterized in that each other: still include stagnant water mechanism, stagnant water mechanism includes the valve rod, the valve rod sets up in the second body and can remove between the position of blocking and opening the second body, when the valve rod is blocking the position, valve rod one end stretches out outside the interface, the interface outer peripheral face is formed with ring groove, ring groove through the interface can with the quick butt joint of external joint, and can push valve rod one end inward movement after external joint docks with the interface, the valve rod that makes the position of blocking moves to opening the position, and after external joint and interface separation, the valve rod will rely on self gravity or other reset unit to move to the position of blocking, thereby realize the automatic stagnant water function of stagnant water valve.

Description

Water stop valve

Technical Field

The utility model relates to a water stop valve.

Background

The water stop valve is widely applied to the water heating industry as a pipeline water flow output end part, the existing water stop valve mainly comprises a valve body, a valve core and an operating hand wheel, the valve body is provided with a water inlet and a water outlet which are arranged at a certain angle, the water inlet and the water outlet are generally at a ninety-degree included angle, the operating state of the valve core can be controlled through the operating hand wheel, the valve core is enabled to open or block a water flow channel in the valve body, and the water stop valve with the structure is complex in structure and high in cost because the valve core needs to be arranged to control the on-off of the water stop valve.

Disclosure of Invention

The utility model aims at providing a simple structure, with low costs stagnant water valve that can automatic stagnant water to prior art not enough.

The purpose of the utility model is realized through the following technical scheme:

The interface includes along its extending direction big diameter section and the little diameter section that connects gradually, and the external diameter of big diameter section is greater than the external diameter of little diameter section, ring groove forms in big diameter section, and the external joint cover that can be convenient for in little diameter section is on little diameter section.

The large-diameter section and the small-diameter section are in chamfer transition, so that the external joint can be smoothly transited from the small-diameter section to be sleeved on the large-diameter section.

The cross section of the annular clamping groove is of a trapezoidal structure with a narrow bottom and a wide upper end, and the disassembly and assembly of the external connector are facilitated.

The water stopping mechanism comprises a valve rod, a spring and a sealing ring, wherein the valve rod is movably arranged in the annular water stopping portion in a penetrating mode, the sealing ring is arranged at one end of the valve rod and located on the inner side of the annular water stopping portion, the spring sleeve is arranged on the valve rod and located on the outer side of the annular water stopping portion, the spring drives the other end of the valve rod to extend out of the interface, and the sealing ring is abutted to the annular water stopping portion to form sealing.

The valve rod includes interior side section and outside section, and interior side section and outside section buckle connection or threaded connection, the sealing washer cover is established on the interior side section, and the outside section is formed with the diameter and is greater than the step portion of annular stagnant water portion internal diameter, the spring compress tightly at the step portion with between the annular stagnant water portion, because the annular stagnant water portion of all unable follow in valve rod both ends passes through, consequently, sets the valve rod into two sections, and just interior side section and outside section buckle connection or threaded connection, can be used to the equipment of product conveniently.

The outer side section comprises a tubular part and a support, the support is connected between the tubular part and the inner side section, the end face of the tubular part forms the step part, the support is arranged, the blocking of the outer side section to water flow can be reduced as much as possible, and the tubular part is adopted to be more favorable for water flow to pass through.

The sealing washer is O type circle, and the internal diameter of O type circle is less than the internal diameter of annular stagnant water portion, and the external diameter is greater than the internal diameter of annular stagnant water portion, annular stagnant water portion inboard be formed with the chamfer of sealing washer sealing contact, O type circle can improve sealed effect with the chamfer cooperation, and especially the chamfer is when the arc chamfer, and sealed effect is better, and sharp chamfer also can improve not wrong sealing performance.

The outer peripheral face cover of little diameter section is equipped with the leak protection sealing washer, and the annular groove of installation leak protection sealing washer is seted up to the outer peripheral face of specific little diameter section, can improve the leakproofness between external joint and the interface after external joint docks with the interface.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a perspective view of the present invention.

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

Fig. 3 is an exploded view of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 2.

Fig. 5 is a perspective view of the valve stem of the present invention.

Detailed Description

Referring to fig. 1 to 5, a water stop valve includes a first pipe 1, a second pipe 2 and a water stop mechanism, wherein an opening is formed at the upper end of the first pipe 1, an external thread 11 for connecting with a pipeline is formed on the outer peripheral surface of the lower end of the first pipe 1, one end of the second pipe 2 is vertically connected with the first pipe 1, a connector 2a is formed at the other end of the second pipe by extending from the side direction of the first pipe 1, and the first pipe 1 and the second pipe 2 are communicated with each other, so that water flow can enter from the lower end of the first pipe 1 and flow out from the connector 2a of the second pipe.

The second pipe body 2 comprises a connecting section 21, a large-diameter section 22 and a small-diameter section 23 which are sequentially connected, the connecting section 21, the large-diameter section 22 and the small-diameter section 23 are integrally formed, the connecting section 21 is connected with the first pipe body 1, the first pipe body 1 is provided with an installation hole for the connecting section 21 to be inserted, the connecting section 21 is inserted into the installation hole and is fixedly connected with the first pipe body 1 through threads or a welding mode, the diameter of the connecting section 21 is larger than that of the large-diameter section 22, the outer diameter of the large-diameter section 22 is larger than that of the small-diameter section 23, the inner diameter of the large-diameter section 22 is equal to that of the small-diameter section 23, the inner diameter of the connecting section 21 is larger than that of the large-diameter section 22, a convex annular water stop part 211 is formed on the inner wall of a connecting part between the connecting section 21 and the large-diameter section 22, the large-diameter section 22 and the small-diameter section 23 form a connector 2a for butt joint, and the outer peripheral surfaces of the large-diameter section 22 and the small-diameter section 23 are transited through a straight chamfer b, the 22 outer peripheral faces of large diameter section are formed with ring groove 24, and ring groove 24's cross section is the narrow upper end wide trapezium structure in bottom, more is favorable to the dismouting of external joint like this, and external joint has the embedded part that can inlay ring groove 24, and the embedded part can make a plurality of spheroids of circumference range, and when the external joint cover was established on interface 2a, the fixed connection of realization interface 2a and external joint in the embedded part embedding ring groove 24.

The water stopping mechanism comprises a valve rod 3, a spring 4 and a sealing ring 5, the valve rod 3 is movably arranged in the annular water stopping portion 211 in a penetrating mode, the sealing ring 5 is arranged at one end of the valve rod and located on the inner side of the annular water stopping portion 211, the spring 4 is sleeved on the valve rod 3 and located on the outer side of the annular water stopping portion 211, the specific valve rod 3 comprises an inner side section 31 and an outer side section 32, the inner side section 31 is connected with the outer side section 32 in a buckling mode, the sealing ring 5 is sleeved on the inner side section 31, an annular groove 311 used for installing the sealing ring 5 is formed in the inner side section 31, a protruding blocking portion 314 is formed in the inner side section 31, the blocking portion 314 is enclosed into an annular groove 311, one side of the sealing ring 5 abuts against the blocking portion 311, the other side of the sealing ring abuts against the annular water stopping portion 211, the outer side section 32 comprises an integrally formed tubular portion 321 and a support 322, the support 322 is connected between the tubular portion 321 and the inner side section 31, a step portion is formed on the end face of the tubular portion 321, and the support 322 can reduce blocking of the outer side section 32 to water flow as much as possible, the tubular part 321 is also more favorable for water flow, the end part of the bracket 322 is provided with the inserting part 323, the inserting part 323 is provided with the inserting hole, two side walls of the inserting part 323 are respectively provided with a notch 324 communicated with the inserting hole, the inner section 31 is provided with two hooks 312 which are symmetrically distributed at intervals, the two hooks 312 can be inserted into the inserting hole of the inserting part 323, and the hook part 313 of the hook 312 is embedded into the notch 324, thereby realizing the rapid inserting connection of the bracket 322 and the inner section 31, of course, the bracket 322 and the inner section 31 can be connected by screw threads, the spring 5 is pressed between the tubular part 321 and the annular water stop part 211, because two ends of the valve rod 3 can not pass through the annular water stop part 211, the valve rod 3 is arranged into two sections, which is convenient for product assembly, the spring 4 can drive the outer section 32 of the valve rod to extend out of the interface 2a, and the sealing ring 5 is abutted against the annular water stop part 211 to form sealing, sealing washer 5 is O type circle, and sealing washer 5's internal diameter is less than the internal diameter of annular stagnant water portion 211, and the external diameter is greater than the internal diameter of annular stagnant water portion 211, and sealing washer 5 just can't be through annular stagnant water portion 211 and with the sealed cooperation of annular stagnant water portion 211 like this, and annular stagnant water portion 211 inboard is formed with the arc chamfer a with sealing washer 5 sealing contact, and O type circle can improve sealed effect with the cooperation of arc chamfer a.

Specific valve rod 3 sets up in second body 2 and can block and open between the position of second body 2, spring 5 can drive valve rod 3 and remove to blocking the position, when valve rod 3 is blocking the position, sealing washer 5 and the sealed contact of arc chamfer a of annular stagnant water portion 211, and outside section 32 one end stretches out outside interface 2a, can push valve rod 3 inward movement after external joint docks with interface 2a, make the valve rod 3 who blocks the position remove to the open position, at this moment sealing washer 5 separates with annular stagnant water portion 211, make rivers pass through the clearance between valve rod 3 and the annular stagnant water portion 211, open second body 2 promptly, and after external joint separates with interface 2a, valve rod 3 can be driven by spring 5 again and remove to blocking the position, thereby realize the automatic stagnant water function of stagnant water valve.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims

1. The utility model provides a water stop valve, includes first body and second body, and the lower extreme opening is sealed to first body upper end, and second body one end is connected the other end with first body and is formed with the interface from first body lateral extension, and first body and second body communicate its characterized in that each other: still include stagnant water mechanism, stagnant water mechanism includes the valve rod, and the valve rod setting can remove between the position of blocking and opening the second body in the second body, and when the valve rod when blocking the position, valve rod one end stretches out outside the interface, and the interface outer peripheral face is formed with annular draw-in groove.

2. A water stop valve as defined in claim 1, wherein: the interface includes along its extending direction big diameter section and the minor diameter section that connects gradually, and the external diameter of big diameter section is greater than the external diameter of minor diameter section, ring groove forms at big diameter section.

3. A water stop valve as defined in claim 2, wherein: the large-diameter section and the small-diameter section are in chamfer transition.

4. A water stop valve as defined in claim 1, wherein: the cross section of the annular clamping groove is of a trapezoidal structure with a narrow bottom and a wide upper end.

5. A stop valve as claimed in any one of claims 1 to 4, wherein: the water stopping mechanism comprises a valve rod, a spring and a sealing ring, wherein the valve rod is movably arranged in the annular water stopping portion in a penetrating mode, the sealing ring is arranged at one end of the valve rod and located on the inner side of the annular water stopping portion, the spring sleeve is arranged on the valve rod and located on the outer side of the annular water stopping portion, the spring drives the other end of the valve rod to extend out of the interface, and the sealing ring is abutted to the annular water stopping portion to form sealing.

6. A stop valve as claimed in claim 5, wherein: the valve rod comprises an inner side section and an outer side section, the inner side section is connected with the outer side section in a buckling mode or in a threaded mode, the sealing ring is sleeved on the inner side section, the outer side section is provided with a step portion, the diameter of the step portion is larger than the inner diameter of the annular water stop portion, and the spring is tightly pressed between the step portion and the annular water stop portion.

7. A stop valve as claimed in claim 6, wherein: the outer section comprises a tubular part and a bracket, the bracket is connected between the tubular part and the inner section, and the end surface of the tubular part forms the step part.

8. A stop valve as claimed in claim 5, wherein: the sealing ring is an O-shaped ring, the inner diameter of the O-shaped ring is smaller than that of the annular water-stopping portion, the outer diameter of the O-shaped ring is larger than that of the annular water-stopping portion, and a chamfer which is in sealing contact with the sealing ring is formed on the inner side of the annular water-stopping portion.

9. A water stop valve as defined in claim 8, wherein: the chamfer is an arc chamfer or a straight chamfer.

10. A water stop valve as defined in claim 2, wherein: the outer peripheral face of the small-diameter section is sleeved with a leakage-proof sealing ring.