CN109163139B

CN109163139B - Antitheft electric ball valve

Info

Publication number: CN109163139B
Application number: CN201811363378.2A
Authority: CN
Inventors: 孔于辉
Original assignee: Taizhou Bituo Valve Co ltd
Current assignee: Taizhou Bituo Valve Co ltd
Priority date: 2018-11-16
Filing date: 2018-11-16
Publication date: 2023-09-26
Anticipated expiration: 2038-11-16
Also published as: CN109163139A

Abstract

The invention provides an antitheft electric ball valve, and belongs to the technical field of electric valves. It has solved the not good problem of current electric ball valve theftproof. The anti-theft electric ball valve comprises a driver, a valve body, a valve rod, a valve seat and a connector, wherein the upper end part of the valve seat is provided with a lower cover, the upper end surface of the lower cover is provided with an upper cover, the upper end surface of the lower cover is provided with a connecting part, the upper end part of the valve rod extends into the connecting part, the valve rod is connected with the connecting part through a bayonet lock, three lower slotted holes which are distributed at 90 degrees at intervals are formed in the upper surface of the valve seat, an upper slotted hole is formed in the end surface of the lower cover, lower magnet rods are arranged in the lower slotted holes, springs are arranged between the upper end surface of the lower magnet rods and the upper slotted hole, the length C of each lower magnet rod is smaller than the length D of each upper slotted hole, four mounting holes which are distributed at 90 degrees are formed in the upper end surface of the upper cover, and upper magnet rods are arranged in the four mounting holes. The invention has the advantage of good anti-theft effect.

Description

Antitheft electric ball valve

Technical Field

The invention belongs to the technical field of electric valves, relates to an electric ball valve, and in particular relates to an antitheft electric ball valve.

Background

The electric ball valve (English name: electronic Ball Valve) is composed of an electric actuator and a ball valve together. The pipeline pressure element is a pipeline pressure element for industrial automation process control, is generally used for remote on/off (medium switching on/off) control of pipeline media, and is mainly applied to heating systems and air conditioner fan coil systems.

The energy consumed by China in winter heating is very huge, the national central heating area in 1990 is 2.1 hundred million square meters, 8.6 hundred million square meters are reached by 1998, the central heating area in eight years is increased by more than 4 times of the original area, and the northern heating area in 2008 is increased to 28.6 hundred million square meters, which is still in great increase in recent years. The existing electric ball valve mainly comprises a valve body, a valve seat, a connector and a driver in threaded connection with the connector, but in the use process of the existing electric ball valve, a part of people find that after the electric ball valve stops working, the driver is disassembled privately, then the valve rod is forcibly rotated by means of other tools, so that a valve core in the valve body is opened again, and meanwhile, the valve body is restarted to work, heating is intercepted privately, and bad influence is caused.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an electric ball valve with an anti-theft function.

The aim of the invention can be achieved by the following technical scheme: the utility model provides an antitheft electric ball valve, includes driver, valve body, disk seat, valve rod and the joint of being connected with the disk seat screw thread, its characterized in that, the upper end of disk seat be provided with the lower cover, the up end of lower cover on be provided with the lower cover up end hug closely and by the rotatory upper cover of driver drive mutually, upper cover and lower cover all install in connect, the up end of lower cover has the bellied connecting portion of axial, set up the connecting hole that connecting portion cooperatees and supplies connecting portion embedding on the upper cover, the upper end of valve rod upwards extend and stretch into in the connecting portion, and the valve rod is connected with connecting portion through the bayonet lock, the up surface of disk seat on set up be 90 interval distribution's three lower slotted holes, the up end of lower cover and disk seat up end hug closely mutually on set up with three lower slotted holes on, lower slotted holes in all install the cylinder down magnet stick that stretches into corresponding upper slotted hole, lower magnet on the up end stretch into the up end and on the up end and correspond the slotted hole and install the slotted hole down magnet and the length of four down slotted holes that correspond to each other in the cylinder down slotted hole.

In the antitheft electric ball valve, the diameter of the lower cover is the same as that of the upper cover.

In the antitheft electric ball valve, gaps are reserved between the outer peripheral side walls of the lower cover and the upper cover and the inner peripheral side wall of the joint.

In the antitheft electric ball valve, the length A of the bayonet lock is the same as the length B of the connecting part.

In the antitheft electric ball valve, the connecting portion is a square connecting portion.

Compared with the prior art, this theftproof electric ball valve is provided with by rotatory upper cover and lower cover of driver drive in the joint, the up end of lower cover has the bellied connecting portion of axial, go up to cover and has seted up the connecting hole, the valve rod is connected with the connecting portion through the bayonet lock and is offered three recess hole that is 90 interval distribution on the disk seat, cover down and go up the recess hole down, all install the lower magnet stick that stretches into corresponding recess hole down in the recess hole, all install the spring between lower magnet stick up end and the corresponding recess hole, the length C of lower magnet stick is less than the length D of last recess hole, it is four mounting holes of 90 interval distribution to have seted up on the up end of upper cover, all be provided with the magnet stick in four mounting holes. After the driver is disassembled, people cannot spin the connector to rotate the valve core, so that the probability of intercepting the heating by people is reduced.

Drawings

Fig. 1 is a schematic sectional view of the antitheft electric ball valve.

Fig. 2 is an enlarged view of a circle E in fig. 1 in the present antitheft electric ball valve.

In the figure, 1, a driver; 2. a valve body; 3. a valve seat; 4. a joint; 5. a lower cover; 6. an upper cover; 7. a lower groove hole; 8. an upper groove hole; 9. a lower magnet rod; 10. a spring; 11. a mounting hole; 12. a magnet rod is arranged on the upper part; 13. a connection part; 14. a connection hole; 15. a valve stem; 16. and (5) a bayonet lock.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the anti-theft electric ball valve comprises a driver 1, a valve body 2, a valve seat 3, a valve rod 15 and a joint 4 in threaded connection with the valve seat 3, wherein the upper end part of the valve seat 3 is provided with a lower cover 5, the upper end surface of the lower cover 5 is provided with an upper cover 6 which is closely attached to the upper end surface of the lower cover 5 and is driven to rotate by the driver 1, the upper cover 6 and the lower cover 5 are both arranged in the joint 4, the upper end surface of the lower cover 5 is provided with a connecting part 13 which protrudes axially, the upper cover 6 is provided with a connecting hole 14 which is matched with the connecting part 13 and is used for embedding the connecting part 13, the upper end part of the valve rod 15 extends upwards and stretches into the connecting part 13, the valve rod 15 is connected with the connecting part 13 through a bayonet 16, three lower groove holes 7 which are distributed at intervals of 90 degrees are formed in the upper surface of the valve seat 3, four mounting holes 11 which are distributed at intervals of 90 degrees are formed in the upper end surface of the upper cover 6, the upper groove holes 8 are in one-to-one correspondence with the three lower groove holes 7, cylindrical lower magnet rods 9 which extend into the corresponding upper groove holes 8 are arranged in the lower groove holes 7, springs 10 are arranged between the upper end surfaces of the lower magnet rods 9 which extend into the upper groove holes 8 and the corresponding upper groove holes 8, the length C of the lower magnet rods 9 is smaller than the length D of the upper groove holes 8, four mounting holes 11 which are distributed at intervals of 90 degrees are formed in the upper end surface of the upper cover 6, and cylindrical upper magnet rods 12 which are matched with the corresponding lower magnet rods 9 are arranged in the four mounting holes 11.

As a preferable structure, the diameter of the lower cover 5 is the same as that of the upper cover 6. The outer peripheral side walls of the lower cover 5 and the upper cover 6 and the inner peripheral side wall of the joint 4 are both left with gaps. The length a of the bayonet 16 is the same as the length B of the connecting portion 13. The connection portion 13 is a square connection portion.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an anti-theft electric ball valve, includes driver (1), valve body (2), disk seat (3) valve rod (15) and joint (4) with disk seat (3) threaded connection, characterized in that, the upper end of disk seat (3) be provided with lower cover (5), the up end of lower cover (5) on set up and hug closely and be driven rotatory upper cover (6) by driver (1) with lower cover (5) up end mutually, upper cover (6) and lower cover (5) all install in joint (4), the up end of lower cover (5) has axially protruding connecting portion (13), offer connecting portion (13) matched with and supply connecting hole (14) of connecting portion (13) embedding on upper cover (6), the upper end of valve rod (15) upwards extend and stretch into connecting portion (13) in, and valve rod (15) are connected through bayonet lock (16) with connecting portion (13), the upper surface of disk seat (3) on open and be equipped with and be in 90 recess hole (7) down end and be equipped with recess hole (8) down end one by one on the upper surface of disk seat (3), the lower slotted hole (7) in all install the cylinder type lower magnet bar (9) that stretch into corresponding upper slotted hole (8), lower magnet bar (9) stretch into between the up end of upper slotted hole (8) and corresponding upper slotted hole (8) all install spring (10), and the length C of lower magnet bar (9) is less than the length D of upper slotted hole (8), the up end of upper cover (6) on seted up four mounting holes (11) that are 90 interval distribution, all be provided with in four mounting holes (11) with corresponding lower magnet bar (9) matched with cylinder type upper magnet bar (12).

2. An antitheft electric ball valve according to claim 1, characterized in that the diameter of the lower cover (5) is the same as the diameter of the upper cover (6).

3. The antitheft electric ball valve according to claim 1, wherein the outer peripheral walls of the lower cover (5) and the upper cover (6) and the inner peripheral wall of the joint (4) are both provided with gaps.

4. An antitheft electric ball valve according to claim 1, characterized in that the length a of the bayonet (16) is the same as the length B of the connecting portion (13).

5. An antitheft electric ball valve according to claim 1, characterized in that the connecting portion (13) is a square connecting portion.