阅读说明：本技术 一种具有锁定阀门开合位置的装置 (Device with locking valve position of opening and shutting ) 是由 郑杰 于 2019-10-16 设计创作，主要内容包括：本发明涉及阀门领域,且公开了一种具有锁定阀门开合位置的装置,包括手轮,所述手轮的中部连接有壳体,所述壳体的顶部安装有插卡取电开关,所述壳体的内部设置有驱动电机,所述壳体的底部焊接有套筒,所述套筒的底端与阀体转动连接,所述驱动电机上的传动轴的底端穿过壳体并延伸至套筒的内侧上部,所述传动轴的下部设置有外螺纹部。通过将阀杆与传动杆采用分体式设计,并将传动杆设置在套筒的内部,套筒通过壳体与手轮连接,并且在壳体内部设置驱动电机控制传动杆与阀杆的动力传递,常态时传动杆与阀杆分离,此时转动手轮无法带动阀杆的转动,从而不能调整阀门的开合位置,实现主动阻止人为恶意的、故意的或失误操作。(The invention relates to the field of valves and discloses a device for locking the opening and closing positions of valves, which comprises a hand wheel, wherein the middle part of the hand wheel is connected with a shell, the top of the shell is provided with a plug-in card electricity-taking switch, a driving motor is arranged inside the shell, the bottom of the shell is welded with a sleeve, the bottom end of the sleeve is rotatably connected with a valve body, the bottom end of a transmission shaft on the driving motor penetrates through the shell and extends to the upper part of the inner side of the sleeve, and the lower part of the transmission shaft is provided with an external thread part. Through adopting split type design with valve rod and transfer line to set up the transfer line in telescopic inside, the sleeve passes through casing and hand wheel connection, and set up the power transmission of driving motor control transfer line and valve rod in the casing is inside, and the transfer line separates with the valve rod during the normality, rotates the unable rotation that drives the valve rod of hand wheel this moment, thereby can not adjust the position that opens and shuts of valve, realizes initiatively preventing artificial malicious, intentional or error operation.)

1. A device with locking valve position of opening and shutting includes the hand wheel, its characterized in that: the middle part of hand wheel is connected with the casing, the plug-in card is installed at the top of casing and is got the electric switch, the inside of casing is provided with driving motor, the bottom welding of casing has the sleeve, telescopic bottom is rotated with the valve body and is connected, the bottom of the last transmission shaft of driving motor passes the casing and extends to telescopic inboard upper portion, the lower part of transmission shaft is provided with external screw thread portion, external screw thread portion extends to the threaded hole of transfer line top surface, the middle part outside of transfer line evenly is provided with a plurality of spacing recesses, a plurality of spacing one-to-ones on spacing recess and the sleeve inner wall, just spacing extends to the inboard of spacing recess, the lower extreme department of transfer line extends to stretch out the sleeve and with the top cooperation that is located the inside valve rod of valve body.

2. The apparatus of claim 1, wherein the means for locking the open position of the valve comprises: the plug-in card is got the electric switch and is matchd with resident family's entrance guard's card, just the plug-in card is got the electric switch and is connected with the monitored control system electricity of property.

3. The apparatus of claim 1, wherein the means for locking the open position of the valve comprises: a first fluorescent strip is embedded in the lower portion of the outer wall of the sleeve, and a second fluorescent strip is embedded in the position, close to the sleeve, of the top face of the valve body.

4. The apparatus of claim 1, wherein the means for locking the open position of the valve comprises: the fan-shaped convex teeth are evenly distributed on the top end of the transmission rod and the top end of the valve rod, and the fan-shaped convex teeth at the bottom end of the transmission rod are meshed with the fan-shaped convex teeth at the top end of the valve rod.

5. The device of claim 4, wherein the device comprises a locking device for locking the open-close position of the valve, and the locking device comprises: the fan-shaped convex teeth are provided with chamfer structures at two radial edges.

6. The apparatus of claim 1, wherein the means for locking the open position of the valve comprises: and a time relay is arranged between the top surface of the driving motor and the top surface of the inner side of the shell.

7. The apparatus of claim 1, wherein the means for locking the open position of the valve comprises: the transmission shaft is characterized in that a sealing sleeve is arranged on the upper portion of the inner side of the sleeve, a sealing ring is arranged on the inner side of the sealing sleeve, and the transmission shaft penetrates through the sealing ring and the sealing sleeve.

8. The apparatus of claim 1, wherein the means for locking the open position of the valve comprises: the card slot on the card-inserting and power-taking switch is positioned on the side surface of the card-inserting and power-taking switch.

Technical Field

The invention relates to the field of valves, in particular to a device for locking the opening and closing positions of a valve.

Background

The water way main valve is usually installed indoors at the beginning of decoration, double protection is formed by matching with an outdoor main water valve, however, the outdoor water valve is frequently mistakenly closed due to the reasons of dark environment, unclear marks and the like, so that a user mistakenly closed by mistake can mistakenly think that water is cut off, a pipeline has problems and the like, and inconvenience is brought to the use of residents.

The technical solutions provided in patent document CN206347186U are all passive protection after the valve body fails, and cannot actively prevent human operation, so that the protection capability is limited.

Therefore, it is desirable to design a device with a locking valve open and close position.

Disclosure of Invention

In view of the above problems, the present invention provides a device for locking the open/close position of a valve, which solves the problems of the prior art that the manual malicious, intentional or faulty operation cannot be prevented actively.

The invention adopts the following technical scheme for solving the problems:

the utility model provides a device with locking valve position that opens and shuts, includes the hand wheel, the middle part of hand wheel is connected with the casing, the plug-in card is installed at the top of casing and is got the electric switch, the inside of casing is provided with driving motor, the bottom welding of casing has the sleeve, telescopic bottom is rotated with the valve body and is connected, the bottom of the last transmission shaft of driving motor is passed the casing and is extended to telescopic inboard upper portion, the lower part of transmission shaft is provided with external screw thread portion, external screw thread portion extends to the screw thread of transfer line top surface in, the middle part outside of transfer line evenly is provided with a plurality of spacing recesses, a plurality of spacing one-to-ones on spacing recess and the sleeve inner wall, just spacing extends to the inboard of spacing recess, the lower extreme department of transfer line extends stretch out the sleeve and with be located the top cooperation.

Preferably, the card-inserting electricity-taking switch is matched with an access control card of a resident, and the card-inserting electricity-taking switch is electrically connected with a monitoring system of property.

Preferably, a first fluorescent strip is embedded in the lower portion of the outer wall of the sleeve, and a second fluorescent strip is embedded in the position, close to the sleeve, of the top surface of the valve body.

Preferably, the top end of the transmission rod and the top end of the valve rod are both provided with a plurality of uniformly distributed fan-shaped convex teeth, and the fan-shaped convex teeth at the bottom end of the transmission rod are meshed with the fan-shaped convex teeth at the top end of the valve rod.

Preferably, the two edges of the fan-shaped convex teeth in the radial direction are provided with chamfer structures.

Preferably, a time relay is arranged between the top surface of the driving motor and the top surface of the inner side of the shell.

Preferably, a sealing sleeve is arranged on the upper portion of the inner side of the sleeve, a sealing ring is arranged on the inner side of the sealing sleeve, and the transmission shaft penetrates through the sealing ring and the sealing sleeve.

Preferably, the card slot on the card-inserting and power-taking switch is positioned on the side surface of the card-inserting and power-taking switch.

The invention has the following beneficial effects:

1. this device with locking valve position of opening and shutting adopts split type design through with valve rod and transfer line to set up the transfer line in telescopic inside, the sleeve passes through casing and hand wheel connection, and set up the power transmission of driving motor control transfer line and valve rod in the casing is inside, and transfer line and valve rod separation during the normality rotate the rotation that the hand wheel can't drive the valve rod this moment, thereby can not adjust the position of opening and shutting of valve, realize initiatively preventing artificial malicious, intentional or error operation.

2. This device with locking valve position of opening and shutting because be provided with the plug-in card on driving motor's the supply circuit and get the electric switch, only insert corresponding card or entrance guard in the draw-in groove, could close driving motor's supply circuit, rotate through driving motor drive transmission shaft to make the transfer line move down under the screw thread effect of external thread portion and screw hole, realize the transfer line and be connected with the transmission of valve rod, then can be through the angle that opens and shuts of hand wheel adjusting valve.

3. This device with locking valve position that opens and shuts, after accomplishing the adjustment, directly take off card or entrance guard in the draw-in groove can, because card or entrance guard's taking out triggers the reversal signal that opens circuit and driving motor, time relay starts driving motor supply circuit time delay disconnection function, driving motor drives transmission shaft antiport this moment, make the transfer line along spacing upward movement under the screw thread effect of external screw thread portion and screw hole, and in the time of the timing end, accomplish the fan-shaped dogtooth separation that corresponds, resume the normality.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken at B-B of FIG. 2;

FIG. 4 is a top view of the tip of the valve stem of the present invention

Fig. 5 is a cross-sectional view at C-C in fig. 4.

In the figure: 1. a hand wheel; 2. a housing; 3. a card-inserting power-taking switch; 4. a drive motor; 5. a sleeve; 6. a valve body; 7. a drive shaft; 8. an external threaded portion; 9. a transmission rod; 10. a threaded hole; 11. a limiting groove; 12. a limiting strip; 13. a valve stem; 14. a first fluorescent bar; 15. a second phosphor strip; 16. sector convex teeth; 17. a time relay; 18. sealing sleeves; 19. a seal ring; 20. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, according to the technical solution provided by the present invention: a device capable of locking a valve opening and closing position comprises a hand wheel 1, wherein a shell 2 is connected to the middle of the hand wheel 1, a card-inserting and electricity-taking switch 3 (such as a 86-type magnetic electricity-taking switch made of PC or ABS materials and having working voltage of 220V +/-10%) is installed at the top of the shell 2, a card slot 20 in the card-inserting and electricity-taking switch 3 is located on the side face of the card-inserting and electricity-taking switch 3, seepage water is prevented from dripping into the card slot 20 and affecting the use of the card slot 20 and the card-inserting and electricity-taking switch 3, the card-inserting and electricity-taking switch 3 can be matched with an entrance guard card of a resident to achieve multiple purposes, the card-inserting and electricity-taking switch 3 is electrically connected with a monitoring system of the property industry, the time and the duration of the operation can be conveniently managed and subjected to follow responsibility at the later stage when the card is inserted into the card-inserting and electricity-taking switch 3 for operation, a driving motor 4 is arranged in the shell 2, and a time relay 17 A/4, alternating current is adopted, the time adjustment range is 1-30 seconds), when a card on the card-inserting and electricity-taking switch 3 is taken away, a reverse signal of the driving motor 4 is triggered, meanwhile, the time relay 17 controls a power supply circuit of the driving motor 4 to keep closed for a period of time, before the circuit is disconnected, the driving motor 4 drives the transmission shaft 7 to rotate to separate the transmission rod 9 from the valve rod 13, the bottom of the shell 2 is welded with the sleeve 5, the upper part of the inner side of the sleeve 5 is provided with a sealing sleeve 18, the inner side of the sealing sleeve 18 is provided with a sealing ring 19, the transmission shaft 7 penetrates through the sealing ring 19 and the sealing sleeve 18 to avoid water leakage at the joint of the valve rod 13 and the valve body 6, further water is caused to permeate into the inner part of the shell 2 to influence the service life of the driving motor 4, the, because the sleeve 5 can rotate freely under the state that the transmission rod 9 is separated from the valve rod 13, when in use, the fan-shaped convex tooth 16 at the bottom end of the transmission rod 9 is meshed with the fan-shaped convex tooth 16 at the top end of the valve rod 13, because the water room environment is dark, the first fluorescent strip 14 is embedded at the lower part of the sleeve 5, the second fluorescent strip 15 is embedded at the top surface of the valve body 6, when the first fluorescent strip 14 and the second fluorescent strip 15 are opposite in position, the fan-shaped convex tooth 16 is meshed with each other, the bottom end of the sleeve 5 is rotatably connected with the valve body 6, the bottom end of the transmission shaft 7 on the driving motor 4 penetrates through the shell 2 and extends to the upper part of the inner side of the sleeve 5, the lower part of the transmission shaft 7 is provided with the external thread part 8, the external thread part 8 extends into the threaded hole 10 at the top surface of the transmission rod 9, the outer side of the middle part of the transmission rod 9 is uniformly provided with a plurality, and spacing strip 12 extends to the inboard of spacing recess 11, the lower extreme department of transfer line 9 extends and stretches out sleeve 5 and cooperates with the top that is located the inside valve rod 13 of valve body 6, the top of transfer line 9 and the top of valve rod 13 department all are provided with a plurality of evenly distributed's fan-shaped dogtooth 16, and the fan-shaped dogtooth 16 that is located the transfer line 9 bottom meshes with the fan-shaped dogtooth 16 that is located the top of valve rod 13 each other, fan-shaped dogtooth 16 is located radial both edges and all is provided with the chamfer structure, when corresponding fan-shaped dogtooth 16 slightly there is the deviation in position when contacting, the chamfer structure of both edges can be adjusted fan-shaped dogtooth 16 is automatic just to improve the fault-tolerant rate.

The working principle is as follows: when the opening and closing position of the valve needs to be adjusted, the first fluorescent strip 14 and the second fluorescent strip 15 are in corresponding position, the fan-shaped convex teeth 16 can be meshed with each other, a card (such as an entrance guard card) is placed into the clamping groove 20, the power-on circuit of the driving motor 4 is switched on by the card-inserting and power-taking switch 3 at the moment, the driving motor 4 works after being electrified, the driving transmission shaft 7 is driven to rotate, the transmission rod 9 is driven to move downwards under the screw action of the external screw thread part 8 and the screw thread hole 10, the limiting function of the limiting groove 11 and the limiting strip 12 is used, the transmission rod 9 can only move downwards until the fan-shaped convex teeth 16 are meshed with each other, the opening and closing position of the valve can be adjusted by rotating the hand wheel 1, the card can be directly taken out after adjustment is finished, the card is taken out at the moment, a turning signal of, when the timing is finished, the driving motor 4 drives the transmission shaft 7 to rotate reversely, and the transmission rod 9 moves upwards along the limiting strip 12 under the action of the threads of the external thread part 8 and the threaded hole 10 until the corresponding sector convex teeth 16 are separated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.