CN210600317U

CN210600317U - Multifunctional stop valve in front of meter

Info

Publication number: CN210600317U
Application number: CN201921446980.2U
Authority: CN
Inventors: 董西伟
Original assignee: Taizhou Bomiao Water Control Equipment Co Ltd
Current assignee: Taizhou Bomiao Water Control Equipment Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-22
Anticipated expiration: 2029-09-02

Abstract

The utility model provides a stop valve before multi-functional table belongs to valve technical field. The multifunctional locking device solves the problem of how to integrate the locking function while realizing multiple functions, and improves the convenience of management. The utility model discloses a valve body, the valve body upside is equipped with the installation end, be equipped with the water hole between installation end and the end of intaking, be equipped with valve rod assembly in the installation end, the end connection of installation end has the valve cap, the valve body downside is equipped with the location end, be equipped with the connecting hole between the lateral part of location end and installation end, be equipped with the tube-shape filter screen in the location end, tube-shape filter screen inboard is equipped with non return core and non return spring, valve rod assembly includes action bars and valve clack, the lock cap has been cup jointed to the valve cap upper end, be equipped with between lock cap and the valve cap and enable both fixed magnetic locking mechanism of circumference, the action bars upper end stretches out outside the valve cap and links firmly with the lock cap, this stop. This stop valve before multi-functional table has improved the convenience when having guaranteed the security.

Description

Multifunctional stop valve in front of meter

Technical Field

The utility model belongs to the technical field of the valve, a stop valve before multi-functional table is related to.

Background

Traditional stop valve only has single function of ending, install when the water gauge front end, can cause the damage of equipment if the water refluence, can install a check valve behind the stop valve for protection equipment prevents the refluence, simultaneously in order to avoid mixing with impurity in the water to cause the damage to the water gauge and will be connected a more filter valve in the front of the water gauge, just also need connect gradually stop valve, check valve and filter valve at the water gauge front end, not only can make connection length overlength like this, independent valve's purchase and use also can increase economic cost simultaneously.

In order to solve the problems, a multifunctional combined valve with the patent application number of 201420443864.6 is designed by changing the structure of the existing stop valve, which comprises a valve body, wherein the valve body comprises a water inlet end and a water outlet end, a water passage which can enable the water inlet end and the water outlet end to be communicated is arranged between the water inlet end and the water outlet end, a check valve clack which can enable the water passage to be closed or opened is arranged in the valve body, a filter cavity which is obliquely and outwards protruded is arranged outside the water inlet end, a filter screen is arranged in the filter cavity and is close to the wall surface of the filter cavity, one end of the filter cavity faces the check valve clack, an outlet which is communicated with the water outlet end is arranged on the side part of the filter cavity, a valve cap is screwed on the valve body, a valve rod is screwed, the upper end of the connecting rod is positioned in the sliding groove, and the end part of the inner end of the valve rod can be abutted against the top of the check valve clack. This many function combination valve collects non return, ends and filtering capability in an organic whole, compares in simply being connected stop valve, check valve and strainer valve, has reduced the volume well, has reduced manufacturing cost, has especially shortened connection length.

However, the multifunctional combination valve adopts a hand wheel opening structure, does not have a locking function, has poor protection performance, can be opened or closed by others at will, and seriously influences the intelligent management of modern community property.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a stop valve before multi-functional table, the technical problem that solve is how to realize multi-functional integrated locking function simultaneously, improves the convenience of management.

The purpose of the utility model can be realized by the following technical proposal:

a multifunctional watch front stop valve comprises a valve body, wherein the left end and the right end of the valve body are respectively a water inlet end and a water outlet end, the upper side of the valve body is provided with a mounting end, a water passing hole is formed between the mounting end and the water inlet end, a valve rod assembly is arranged in the mounting end, the end part of the mounting end is connected with a valve cap, the lower side of the valve body is provided with a positioning end, the water outlet end is communicated with the side part of the positioning end, a connecting hole is formed between the positioning end and the side part of the mounting end, and a cylindrical filter screen is arranged in the positioning end. The lock cap is sleeved at the upper end of the valve cap, the magnetic locking mechanism capable of fixing the lock cap and the valve cap in the circumferential direction is arranged between the lock cap and the valve cap, the upper end of the operating rod extends out of the valve cap and is fixedly connected with the lock cap, and the multifunctional meter front stop valve further comprises a key capable of fixing the lock cap in the circumferential direction and unlocking the magnetic locking mechanism.

The multifunctional meter front stop valve has the magnetic locking function because the valve cap is sleeved with the locking cap, the magnetic locking mechanism is arranged between the locking cap and the valve cap, and the upper end of the operating rod extends out of the valve cap and is fixedly connected with the locking cap; through setting up valve rod assembly into action bars and threaded connection in the valve clack of action bars lower extreme, the action bars links firmly with the lock cap with valve cap axial fixity, and valve clack upper end and valve cap circumference are fixed simultaneously, alright make axial motion with the drive valve clack when the action bars rotates to make this stop valve before the multi-functional table possess by the function.

In addition, because the reason of the integrated magnetism locking function of needs, make valve rod assembly need set up to action bars and threaded connection in the valve clack of action bars lower extreme, make valve rod assembly department can't realize the non return function again like this, for this reason, stop valve before this multi-functional table is through setting up non return core and non return spring in tube-shape filter screen inboard, non return core upper end is sealed with port under the connecting hole under the elastic force effect of non return spring, make stop valve before this multi-functional table can possess normal non return function again, and locate the location in the end with the structure that will be used for realizing the non return function, the structure that can be used for realizing the non return function breaks away from valve rod assembly, the convenience. That is to say, this stop valve before multi-functional table has integrateed the locking function again on the basis of ending, filtering and non return for other people can't open or close whole valve in the condition of no key, has made things convenient for the intelligent management of modernized district property.

In stop valve before foretell multifunctional watch, the lower port inside of valve cap is equipped with annular boss, and annular boss's centre bore is the hexagonal hole, and the valve clack is shaft-like, and the valve clack upper end is the cooperation section that the shape is the same with annular boss centre bore, and the cooperation section cooperatees with annular boss's centre bore, and the valve clack lower extreme outside is equipped with annular convex shoulder, and the terminal surface is equipped with the annular groove under the annular convex shoulder, is equipped with seal ring in the annular groove, and seal ring lower extreme terminal surface supports and forms sealedly on crossing the face at.

The cooperation section cooperatees with the centre bore of annular boss, means to form circumference fixedly through the hexagon shape between valve clack and the valve cap, and the rotation of valve clack just is restricted by the valve cap, will drive the valve clack and be axial motion when the action bars rotates like this to make seal ring downstream support and form sealedly on the face at water hole last port place, or make seal ring upward move and will cross the water hole and open. Through the arrangement of the structure, the stop valve before the multifunctional meter can ensure the normal realization of the stop function while integrating the magnetic locking function.

In stop valve before foretell multifunctional watch, lock cap lower extreme center is equipped with the location chamber, valve cap up end center is equipped with the location head, the location head stretches into the location intracavity, the first outer peripheral face of location is equipped with annular clamping groove one, the global correspondence of location intracavity is equipped with annular clamping groove two, the outer fringe part that is equipped with jump ring and jump ring in the annular clamping groove one is located annular clamping groove two, the external diameter that is located annular clamping groove one top department on the location head is greater than the internal diameter of jump ring, the roof in location chamber is equipped with the quad slit, the action bars upper end is squarely, the action bars upper end is worn out the location head and is inserted in the.

Utilize the cooperation of jump ring and cyclic annular draw-in groove one and cyclic annular draw-in groove two to make lock cap and valve cap axial fixity be in the same place to the jump ring is located the lock cap completely, and there is not the processing in lock cap surface and the wound that causes, has stopped the destroyed possibility of valve from the outside well, has guaranteed the security of this stop valve before multi-functional table.

In the multifunctional front stop valve, the non-return core comprises a cylinder body with a closed upper end and an open lower end, the end part of the positioning end is connected with a blocking cover, the lower end of the cylinder body is arranged in the blocking cover in a sliding mode, the two ends of the non-return spring are respectively abutted against the inner side top wall of the cylinder body and the inner wall of the blocking cover, the upper end face of the cylinder body is fixedly connected with a raised head, a sealing gasket is sleeved on the raised head, and the sealing gasket is abutted against the face where the port is located under.

In the multifunctional meter front stop valve, the side part of the cylinder body is provided with a through hole in a penetrating way, and the communication part of the water outlet end and the side part of the positioning end is opposite to the through hole.

The communicating part of the water outlet end and the side part of the positioning end is opposite to the through hole, which means that when a medium flows backwards in the water outlet end, the backflow medium can enter the cylinder body from the through hole, so that the pressure of the backflow medium can also act on the cylinder body, and the pressure of the backflow medium is the same as the elastic force direction of the check spring, so that the sealing gasket can be more tightly abutted against the surface of the lower port of the connecting hole, and the reliability of the check function is equivalently improved.

In the multifunctional meter front stop valve, the positioning end inclines towards the direction close to the water outlet end, the mounting end inclines towards the direction close to the water outlet end, the upper port of the connecting hole penetrates through the side part of the mounting end, and the connecting hole and the positioning end are arranged coaxially.

The positioning end inclines towards the water outlet end, and the mounting end is also inclined towards the water outlet end, so that the side part of the mounting end can be directly communicated with the positioning end only by processing a connecting hole which is coaxial with the positioning end, and the whole volume is further reduced while the functions of stopping, non-return, filtering and locking are integrated.

In the multifunctional meter front stop valve, the side part of the water outlet end is provided with a detection port communicated with the water outlet end, and the detection port is internally and threadedly connected with a plug.

The side part of the water outlet end is provided with a detection port communicated with the water outlet end, and relevant data can be detected or displayed by screwing down the plug and connecting a pressure gauge or a thermometer and the like to the detection port.

Compared with the prior art, this stop valve before multi-functional table has following advantage:

1. the locking function is integrated on the basis of stopping, filtering and non-return, so that other people cannot open or close the whole valve without a key, and the intelligent management of the modernized community property is facilitated;

2. the non-return core and the non-return spring are arranged on the inner side of the cylindrical filter screen, so that the valve rod assembly is separated, and the convenience of replacing the non-return structure is ensured;

3. utilize the cooperation of jump ring and cyclic annular draw-in groove one and cyclic annular draw-in groove two to make lock cap and valve cap axial fixity be in the same place to the jump ring is located the lock cap completely, and there is not the processing in lock cap surface and the wound that causes, has stopped the destroyed possibility of valve from the outside well, has guaranteed the security of this stop valve before multi-functional table.

Drawings

Fig. 1 is a schematic view of the multifunction watch front stop valve.

Fig. 2 is a sectional view of the multifunction watch front stop valve.

FIG. 3A is an exploded view of the lever, bonnet and flap of the multifunctional watch front stop valve.

FIG. 3B is another schematic illustration of the angle between the operating lever, the bonnet and the flap of the multifunctional watch front stop valve.

In the figure, 1, a valve body; 1a, a water inlet end; 1b, a water outlet end; 1b1, detection port; 1c, a mounting end; 1d, water passing holes; 1e, a positioning end; 1f, connecting holes; 2. a bonnet; 2a, an annular boss; 2b, positioning the head; 3. a cylindrical filter screen; 4. a non-return core; 4a, a cylinder body; 4a1, vias; 4b, a sealing gasket; 5. a check spring; 6. an operating lever; 7. a valve flap; 7a, a matching section; 7b, an annular shoulder; 8. a lock cap; 8a, a square hole; 9. a sealing gasket; 10. a clamp spring; 11. blocking the cover; 12. and (7) a plug.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the stop valve before the multifunctional watch includes a valve body 1 with a left end and a right end respectively serving as a water inlet end 1a and a water outlet end 1b, a mounting end 1c is arranged on the upper side of the valve body 1, a water passing hole 1d is arranged between the mounting end 1c and the water inlet end 1a, and a valve rod assembly capable of controlling the opening and closing of the water passing hole 1d is arranged in the mounting end 1 c. The side part of the water outlet end 1b is provided with a detection port 1b1 communicated with the water outlet end 1b, and a plug 12 is connected with the detection port 1b1 in a threaded manner.

As shown in fig. 2, 3A and 3B, the end of the mounting end 1c is connected with the bonnet 2 through a thread, the valve rod assembly comprises an operating rod 6 which is arranged in the bonnet 2 in a penetrating manner and can rotate and a valve flap 7 which is connected to the lower end of the operating rod 6 through a thread, the operating rod 6 is axially fixed with the bonnet 2, the upper end of the valve flap 7 is circumferentially fixed with the bonnet 2, and the lower end of the valve flap 7 is sealed with a water passing hole 1 d. Specifically, the inner side of the lower end opening of the valve cap 2 is provided with an annular boss 2a, a center hole of the annular boss 2a is a hexagonal hole, the valve flap 7 is rod-shaped, the upper end of the valve flap 7 is a matching section 7a with the same shape as the center hole of the annular boss 2a, the matching section 7a is matched with the center hole of the annular boss 2a, and the matching section 7a and the center hole of the annular boss 2a form sliding connection. An annular convex shoulder 7b is arranged on the outer side of the lower end of the valve clack 7, an annular groove is formed in the lower end face of the annular convex shoulder 7b, a sealing washer 9 is arranged in the annular groove, and the lower end face of the sealing washer 9 abuts against the face where the upper end opening of the water through hole 1d is located to form sealing.

As shown in fig. 2, the lock cap 8 has been cup jointed to the upper end of valve cap 2, be equipped with between lock cap 8 and the valve cap 2 and enable the fixed magnetic locking mechanism in both circumference, the 6 upper ends of action bars stretch out outside the valve cap 2 and link firmly with lock cap 8, this stop valve before multi-functional table still includes one can with 8 circumference of lock cap fixed and carry out the key of unblock to magnetic locking mechanism, the specific structure and the locking principle of magnetic locking mechanism can refer to the valve that application number is 200920313315.6 disclosed. The lower extreme center of lock cap 8 is equipped with the location chamber, and the up end center of valve cap 2 is equipped with location head 2b, and location head 2b stretches into the location intracavity. The outer peripheral face of the positioning head 2b is provided with a first annular clamping groove, the inner peripheral face of the positioning cavity is correspondingly provided with a second annular clamping groove, a clamp spring 10 is arranged in the first annular clamping groove, the outer edge part of the clamp spring 10 is located in the second annular clamping groove, and the outer diameter of the positioning head 2b, which is located above the first annular clamping groove, is larger than the inner diameter of the clamp spring 10. The roof in location chamber is equipped with

quad slit

8a, and 6 upper end of action bars are squarely, and 6 upper end of action bars wear out location head 2b and insert in quad slit 8 a.

As shown in FIG. 2, the lower side of the valve body 1 is provided with a positioning end 1e, the positioning end 1e inclines towards the direction close to the water outlet end 1b, and the water outlet end 1b is communicated with the side part of the positioning end 1 e. A connecting hole 1f is arranged between the positioning end 1e and the side part of the mounting end 1c, the mounting end 1c inclines towards the direction close to the water outlet end 1b, the upper port of the connecting hole 1f penetrates through the side part of the mounting end 1c, and the connecting hole 1f and the positioning end 1e are arranged coaxially. The end part of the positioning end 1e is connected with a plugging cover 11, a cylindrical filter screen 3 is arranged in the positioning end 1e, the lower port of the connecting hole 1f is positioned on the inner side of the cylindrical filter screen 3, a non-return core 4 and a non-return spring 5 are arranged on the inner side of the cylindrical filter screen 3, and the upper end of the non-return core 4 seals the lower port of the connecting hole 1f under the elastic action of the non-return spring 5.

As shown in fig. 2, in this embodiment, the non-return core 4 includes a cylinder 4a with a closed upper end and an open lower end, the lower end of the cylinder 4a is slidably disposed in the cap 11, two ends of the non-return spring 5 respectively abut against an inner top wall of the cylinder 4a and an inner wall of the cap 11, a raised head is fixedly connected to the center of an upper end face of the cylinder 4a, a sealing gasket 4b is sleeved on the raised head, and the sealing gasket 4b abuts against a surface where a lower port of the connecting hole 1f is located to form a seal. The side of the cylinder 4a is provided with a through hole 4a1, and the communication part of the water outlet end 1b and the side of the positioning end 1e is opposite to the through hole 4a 1.

This stop valve before multi-functional table is connected in the water table front end, when rotating action bars 6 and making water hole 1d open, the medium flows into in connecting hole 1f through intaking end 1a, water hole 1d and installation end 1c, and medium pressure makes non return spring 5 compressed on the non return core 4, and connecting hole 1f is opened, and the medium filters through tube-shape filter screen 3 behind the inflow locating end 1e, and the medium flows into in play water end 1b again at last. When the medium in the water outlet end 1b flows back, the back-flowing medium enters the cylinder body 4a from the through hole 4a1, so that the pressure of the back-flowing medium also acts on the cylinder body 4a, and the pressure of the back-flowing medium is the same as the elastic force direction of the check spring 5, so that the sealing gasket 4b is more tightly abutted on the surface where the port is located at the lower end of the connecting hole 1f, and the reliability of the check function is improved.

The multifunctional meter front stop valve has the magnetic locking function because the valve cap 2 is sleeved with the locking cap 8, the magnetic locking mechanism is arranged between the locking cap 8 and the valve cap 2, and the upper end of the operating rod 6 extends out of the valve cap 2 and is fixedly connected with the locking cap 8; through setting up valve rod assembly into the valve clack 7 of operating lever 6 and threaded connection in the 6 lower extremes of operating lever, operating lever 6 links firmly with lock cap 8 with 2 axial fixings of valve bonnet, and 7 upper ends of valve clack are fixed with 2 circumference of valve bonnet simultaneously, alright make axial motion with drive valve clack 7 when operating lever 6 rotates to make this stop valve before the multi-functional table possess by the function.

In addition, the positioning end 1e is arranged on the lower side of the valve body 1, the water outlet end 1b is communicated with the side part of the positioning end 1e, and the cylindrical filter screen 3 is arranged in the positioning end 1e, so that the multifunctional meter front stop valve has a filtering function. Simultaneously, set up non return core 4 and non return spring 5 at tube-shape filter screen 3 inboard, non return core 4 upper end is with port closure under connecting hole 1f under the elastic force effect of non return spring 5 for this stop valve before multi-functional table has possessed the non return function. That is to say, this stop valve before multi-functional table collects locking, ends, filters and non return in an organic whole, compares simultaneously in simply will possess the valve of each item function and connect the speaking, this stop valve before multi-functional table sets up towards the location end 1e that inclines towards being close to water outlet end 1b direction in valve body 1 downside, and tube-shape filter screen 3 sets up in location end 1e and non return core 4 locates tube-shape filter screen 3 inboard with non return spring 5, has consequently reduced holistic volume well especially need not to increase valve body 1 along the length on the water outlet direction, has reduced manufacturing cost.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. Stop valve before multi-functional table, including controlling both ends and being the valve body (1) of intaking end (1a) and play water end (1b) respectively, valve body (1) upside is equipped with installation end (1c), be equipped with between installation end (1c) and the end of intaking (1a) and cross water hole (1d), be equipped with the valve rod subassembly in installation end (1c), the end connection of installation end (1c) has valve cap (2), valve body (1) downside is equipped with location end (1e), it communicates with the lateral part of location end (1e) to go out water end (1b), be equipped with connecting hole (1f) between the lateral part of location end (1e) and installation end (1c), be equipped with tube-shape filter screen (3) in location end (1e), its characterized in that, tube-shape filter screen (3) inboard is equipped with non return core (4) and non return spring (5), the port seals connecting hole (1f) under the elastic force effect of non return spring (5) on non return core (4, valve rod assembly is including wearing to establish in valve cap (2) and can pivoted action bars (6) and threaded connection in outer valve clack (7) of action bars (6) lower extreme, action bars (6) and valve cap (2) axial fixity, valve clack (7) upper end and valve cap (2) circumference are fixed and valve clack (7) lower extreme will cross water hole (1d) and seal, valve cap (2) upper end has cup jointed locking cap (8), be equipped with between locking cap (8) and valve cap (2) and enable both circumference fixed magnetism locking mechanism, action bars (6) upper end stretches out valve cap (2) outer and links firmly with locking cap (8), this stop valve before the multi-functional table still includes one can with locking cap (8) circumference fixed and carry out the key of unblock to magnetism locking mechanism.

2. The multifunctional front stop valve for the watch according to claim 1, characterized in that an annular boss (2a) is arranged on the inner side of the lower port of the valve cap (2), the central hole of the annular boss (2a) is a hexagonal hole, the valve flap (7) is rod-shaped, the upper end of the valve flap (7) is a matching section (7a) with the same shape as the central hole of the annular boss (2a), the matching section (7a) is matched with the central hole of the annular boss (2a), an annular shoulder (7b) is arranged on the outer side of the lower end of the valve flap (7), an annular groove is arranged on the lower end face of the annular shoulder (7b), a sealing gasket (9) is arranged in the annular groove, and the lower end face of the sealing gasket (9) abuts against the face where the upper.

3. The multifunctional watch front stop valve according to claim 2, characterized in that a positioning cavity is arranged at the center of the lower end of the lock cap (8), a positioning head (2b) is arranged at the center of the upper end face of the valve cap (2), the positioning head (2b) extends into the positioning cavity, a first annular clamping groove is arranged on the outer peripheral face of the positioning head (2b), a second annular clamping groove is correspondingly arranged on the inner peripheral face of the positioning cavity, a clamping spring (10) is arranged in the first annular clamping groove, the outer edge part of the clamping spring (10) is located in the second annular clamping groove, the outer diameter of the positioning head (2b) above the first annular clamping groove is larger than the inner diameter of the clamping spring (10), a square hole (8a) is formed in the top wall of the positioning cavity, the upper end part of the operating rod (6) is square, and the upper end part of the operating rod.

4. The multifunctional front stop valve for meters as claimed in claim 1, 2 or 3, wherein the check core (4) comprises a cylinder (4a) with a closed upper end and an open lower end, the end of the positioning end (1e) is connected with a plug cover (11), the lower end of the cylinder (4a) is slidably arranged in the plug cover (11), two ends of the check spring (5) respectively abut against the inner top wall of the cylinder (4a) and the inner wall of the plug cover (11), the upper end face of the cylinder (4a) is fixedly connected with a raised head, a sealing gasket (4b) is sleeved on the raised head, and the sealing gasket (4b) abuts against the surface of the lower port of the connecting hole (1f) to form a seal.

5. Multifunctional watch front stop valve according to claim 4, characterized in that the cylinder (4a) is provided with a through hole (4a1) through it, the outlet end (1b) being opposite to the through hole (4a1) in the connection with the positioning end (1e) side.

6. The multifunctional watch front stop valve according to claim 1, characterized in that the positioning end (1e) is inclined towards the direction close to the water outlet end (1b), the mounting end (1c) is inclined towards the direction close to the water outlet end (1b), the upper port of the connecting hole (1f) penetrates through the side part of the mounting end (1c), and the connecting hole (1f) and the positioning end (1e) are arranged coaxially.

7. The stop valve of claim 6, wherein the side of the water outlet (1b) is provided with a detecting port (1b1) communicated with the water outlet (1b), and the detecting port (1b1) is internally threaded with a plug (12).