CN217874412U

CN217874412U - Stop valve with double anti-theft locking functions

Info

Publication number: CN217874412U
Application number: CN202222256778.1U
Authority: CN
Inventors: 王晓琳; 蒋斌龙; 冉来群; 黄俊威
Original assignee: Zhejiang Eci Valve Technology Co ltd
Current assignee: Zhejiang Eci Valve Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-22
Anticipated expiration: 2032-08-23

Abstract

The utility model belongs to the technical field of the valve, concretely relates to stop valve of dual theftproof locking function, which comprises a valve body, the middle part shaping of valve body has the installation cavity, the up end of installation cavity is provided with down the valve gap, be provided with the valve rod in the lower valve gap, the lower extreme of valve rod is connected with and is used for carrying out the sealing member of break-make to crossing the liquid passageway, the upper end of lower valve gap is provided with the valve gap, the mounting groove has been seted up to the up end of lower valve gap, the spacing groove has been seted up to the lower terminal surface of going up the valve gap, spacing inslot is provided with spacing magnetic path one, the butt has the spring between the one end of spacing magnetic path one and the mounting groove, the periphery shaping of going up the valve gap has a plurality of locked piece with the locked groove complex, be provided with the magnetic path two the same with a spacing magnetic path magnetic pole in the key handle, the utility model relates to a structural design through dual theftproof, the security performance is higher, only use dedicated unblock switch to just can operate the switch of lock valve, strengthen the product theftproof, the maloperation performance.

Description

Stop valve with double anti-theft locking functions

Technical Field

The utility model relates to the technical field of valves, in particular to a stop valve with double anti-theft locking functions.

Background

The control part in the valve fluid conveying system has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing, relieving pressure, etc. With the development of the market, a regulating valve needs to be installed behind a water meter in part of rented rooms, apartments or hotels.

For example, the chinese utility model, patent No. CN201820669435.9, discloses a stop valve, which is provided with a magnetic assembly and a key assembly, wherein when the key assembly is connected with the magnetic assembly, the magnetic assembly is released from the valve cover under the action of a magnetic part in the key assembly, so that the stop valve is in an adjustable state, the key assembly is rotated to drive the magnetic assembly to rotate, the magnetic assembly drives a valve rod to rotate, and further drives a valve clack to move up and down, so as to adjust the flow of the stop valve, and improve the valve management and control performance; when the key assembly is taken down and disconnected with the magnetic assembly, the magnetic assembly and the valve cover are in a locking state, the magnetic lock function is achieved, and the anti-theft performance is achieved.

The stop valve has certain anti-theft performance through the arrangement of the magnetic assembly, but the stop valve is only singly anti-theft and is still easy to be stolen, so that the structure needs to be improved, and the anti-theft performance of the valve body is further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stop valve of dual theftproof locking function through the cooperation of locked groove and locking piece, solves the poor problem of theftproof nature.

The purpose of the utility model is realized like this: the utility model provides a stop valve of dual pickproof locking function, includes the valve body, and the shaping has a liquid passageway in the valve body, and the middle part shaping of valve body has the installation cavity, and the upper port of installation cavity is provided with down the valve gap, is provided with the valve rod in the lower valve gap, and the lower extreme of valve rod is connected with the sealing member that is used for carrying out the break-make to crossing the liquid passageway, and the upper end of lower valve gap is provided with the valve gap, and the upper end and the upper valve gap threaded connection of valve rod, the mounting groove has been seted up to the up end of lower valve gap, spacing inslot is provided with spacing magnetic path one, and the butt has the spring between the one end of spacing magnetic path one and the mounting groove, the periphery shaping of upper valve gap has a plurality of locked groove, the up end of upper valve gap is provided with detachable key handle, the periphery shaping of key handle lower extreme has a plurality of and locked groove complex locking piece, is provided with the magnetic path two the same with spacing magnetic path magnetic pole in the key handle.

Preferably, the position limiting magnetic block is located between the position limiting groove and the mounting groove.

Preferably, the locking groove and the locking piece are triangular in shape.

Preferably, a cylindrical portion is formed in the middle of the upper valve cover, a limiting hole for the cylindrical portion to be inserted is formed in the middle of the key handle, internal threads are formed on the inner periphery of the cylindrical portion, and external threads matched with the internal threads are formed on the outer periphery of the upper end of the valve rod.

Preferably, the lower extreme shaping of installation cavity has the annular installation department that supplies terminal surface to lean on under the sealing member, and the lower terminal surface of sealing member is provided with the sealing washer, and one side up end and the valve body of annular installation department are connected, and the terminal surface is connected with the valve body under the opposite side of annular installation department, and liquid hole has been seted up at the middle part of annular installation department.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model relates to a through the structural design of dual theftproof, compare current single theftproof locking valve, the security performance is higher, only uses dedicated unblock switch just can operate the switch of locking valve, strengthens theftproof, the maloperation performance of product.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a schematic diagram of the explosion structure of the present invention.

Reference numerals are as follows: 1-a valve body; 2-a liquid passing channel; 3-installing a cavity; 4-lower valve cover; 5-a valve stem;

6-a seal; 7-upper valve cover; 8-mounting grooves; 9-a limiting groove; 10-a first limiting magnetic block; 11-a spring; 12-a lock groove; 13-a key handle; 14-a locking piece; 15-magnetic block II; 16-a cylindrical portion; 17-a limiting hole; 18-an annular mounting portion; 19-a sealing ring; 20-liquid passing hole.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, a stop valve with dual anti-theft locking functions comprises a valve body 1, a liquid passage 2 is formed in the valve body 1, an installation cavity 3 is formed in the middle of the valve body 1, a lower valve cover 4 is arranged at an upper port of the installation cavity 3, a valve rod 5 is arranged in the lower valve cover 4, a sealing element 6 for opening and closing the liquid passage 2 is connected to the lower end of the valve rod 5, an upper valve cover 7 is arranged at the upper end of the lower valve cover 4, the upper valve cover 7 is rotatably connected with the lower valve cover 4, and the upper end of the valve rod 5 is in threaded connection with the upper valve cover 7, so that the upper and lower positions of the valve rod 5 can be adjusted by rotating the upper valve cover 7, and the opening and closing of the liquid passage 2 and the flow rate in the liquid passage 2 are controlled;

the upper end face of the lower valve cover 4 is provided with a mounting groove 8, the lower end face of the upper valve cover 7 is provided with a limiting groove 9, a movable limiting magnetic block I10 is arranged in the limiting groove 9, a spring 11 is abutted between one end of the limiting magnetic block I10 and the mounting groove 8, in an initial state, the limiting magnetic block I10 is located between the limiting groove 9 and the mounting groove 8 through the acting force of the spring 11, so that the rotation between the lower valve cover 4 and the upper valve cover 7 can be limited, a first anti-theft structure is formed, a plurality of locking grooves 12 are formed in the periphery of the upper valve cover 7, a second anti-theft structure is formed, the locking valve has a double anti-theft structure, and compared with the existing single anti-theft locking valve, the safety performance is higher, only a special unlocking switch can be operated, and the anti-theft and misoperation performance of a product is enhanced;

the upper end face of the upper valve cover 7 is provided with a detachable key handle 13, namely an unlocking switch, a plurality of locking blocks 14 matched with the locking grooves 12 are formed in the periphery of the lower end of the key handle 13, magnetic blocks 15 with the same magnetic poles as the limiting magnetic blocks I10 are arranged in the key handle 13, when the key handle 13 is arranged on the upper valve cover 7, the locking blocks 14 on the key handle 13 are inserted into the locking grooves 12 one by one, the magnetic blocks II 15 can push the limiting magnetic blocks I10 through magnetism, the limiting magnetic blocks I10 are separated from the limiting grooves 9, the compression spring 11 is located in the mounting groove 8, at the moment, the lower valve cover 4 and the upper valve cover 7 can rotate freely, the on-off and flow of liquid in the valve body can be adjusted by rotating the key handle 13, the operation is convenient, the random adjustment of the stop valve can be reduced, and the static stability of a floor hydraulic system is facilitated.

The locking groove 12 and the locking block 14 are triangular in shape, so that the installation and the matching are convenient, and the structure is firm.

A cylindrical portion 16 is formed in the middle of the upper valve cover 7, a limiting hole 17 for inserting the cylindrical portion 16 is formed in the middle of the key handle 13, the key handle 13 is sleeved on the periphery of the cylindrical portion 16 through the limiting hole 17, the positions of the locking groove 12 and the locking block 14 can be conveniently locked, internal threads are formed on the inner periphery of the cylindrical portion 16, and external threads matched with the internal threads are formed on the outer periphery of the upper end of the valve rod 5.

The lower extreme shaping of installation cavity 3 has the annular installation department 18 that supplies the terminal surface to lean on under the sealing member 6, and the lower terminal surface of sealing member 6 is provided with sealing washer 19, and one side up end and the valve body 1 of annular installation department 18 are connected, and the terminal surface is connected with valve body 1 under the opposite side of annular installation department 18, and liquid hole 20 has been seted up at the middle part of annular installation department 18.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A stop valve with double anti-theft locking functions is characterized by comprising a valve body (1), a liquid passing channel (2) is formed in the valve body (1), an installation cavity (3) is formed in the middle of the valve body (1), a lower valve cover (4) is arranged at an upper port of the installation cavity (3), a valve rod (5) is arranged in the lower valve cover (4), a sealing element (6) for opening and closing the liquid passing channel (2) is connected to the lower end of the valve rod (5), an upper valve cover (7) is arranged at the upper end of the lower valve cover (4), the upper end of the valve rod (5) is in threaded connection with the upper valve cover (7), the upper end surface of the lower valve cover (4) is provided with an installation groove (8), a limiting groove (9) is formed in the lower end face of the upper valve cover (7), a first limiting magnetic block (10) is arranged in the limiting groove (9), a spring (11) is abutted between one end of the first limiting magnetic block (10) and the mounting groove (8), a plurality of locking grooves (12) are formed on the periphery of the upper valve cover (7), a detachable key handle (13) is arranged on the upper end surface of the upper valve cover (7), a plurality of locking blocks (14) matched with the locking grooves (12) are formed on the periphery of the lower end of the key handle (13), and a magnetic block II (15) with the same magnetic pole as the limiting magnetic block I (10) is arranged in the key handle (13).

2. A double tamper-evident lockout function shut-off valve as claimed in claim 1, wherein: the first limiting magnetic block (10) is positioned between the limiting groove (9) and the mounting groove (8).

3. The double anti-theft locking function shut-off valve according to claim 1, wherein: the locking groove (12) and the locking block (14) are triangular in shape.

4. A double tamper-evident lockout function shut-off valve as claimed in claim 1, wherein: the middle part of the upper valve cover (7) is formed with a cylindrical part (16), the middle part of the key handle (13) is provided with a limiting hole (17) for the cylindrical part (16) to be inserted, the inner periphery of the cylindrical part (16) is formed with an internal thread, and the outer periphery of the upper end of the valve rod (5) is formed with an external thread matched with the internal thread.

5. A double tamper-evident lockout function shut-off valve as claimed in claim 1, wherein: the lower extreme shaping of installation cavity (3) has annular installation department (18) that supplies sealing member (6) lower terminal surface to lean on, and the lower terminal surface of sealing member (6) is provided with sealing washer (19), and one side up end and valve body (1) of annular installation department (18) are connected, and the terminal surface is connected with valve body (1) under the opposite side of annular installation department (18), and liquid hole (20) have been seted up in the middle part of annular installation department (18).