CN220204780U - Pressure stabilizing safety valve for preventing pipeline from bursting - Google Patents

Abstract

The utility model relates to the technical field of safety valves, and discloses a pressure stabilizing safety valve for preventing a pipeline from bursting, which effectively solves the problem that the prior valve body is difficult to regulate the limiting pressure of the pipeline pressure stabilizing, and comprises a valve body, wherein connecting pipes are symmetrically arranged at two ends of the valve body, a pressure stabilizing protection component is arranged at the top end of the valve body, the pressure stabilizing protection component comprises a top cylinder arranged at the top end of the valve body, a pressure relief pipe is arranged at one side of the top cylinder, a blocking plug is movably arranged in the top cylinder, the outer wall of the blocking plug is tightly attached to the inner wall of the top cylinder, the pressure relief pipe is closed by the blocking plug, and a first spring is arranged at the top end of the blocking plug.

Description

Pressure stabilizing safety valve for preventing pipeline from bursting

Technical Field

The utility model belongs to the technical field of safety valves, and particularly relates to a pressure stabilizing safety valve for preventing a pipeline from bursting.

Background

According to the patent document with the publication number of CN205781163U, the utility model name of "adjustable pressure-stabilizing valve", the specification of which is described in: the liquid inlet is connected with the spray rod, the liquid outlet is connected with the spray head, the liquid inlet and the liquid outlet are both transverse channels, a first communicating small hole and a second communicating small hole are respectively arranged between the water flow control inner cavity of the valve body and the liquid inlet and between the water flow control inner cavity of the valve body and the liquid outlet, the first communicating small hole is transverse and parallel to the liquid inlet, the second communicating small hole is vertical and vertical to the liquid outlet, and the sealing ball is positioned on the second communicating small hole between the water flow control inner cavity and the liquid inlet; the method is characterized in that the track of the steps between the check blocks of the pressure-stabilizing valve cap is assumed to be clockwise from low to high, so that in an initial state, a stop lever of the regulating valve core is located at the lowest position of the steps, namely, the regulating valve core is furthest from the valve plate, at the moment, the deformation of the valve plate is minimum, at the moment, the pressure of the second valve core to the valve seat is minimum, at the moment, the liquid spraying flow is maximum, when the regulating valve core is rotated clockwise, the step with the high-low track extrudes the regulating valve core and enables the regulating valve core to move downwards along the axial direction, the regulating valve core extrudes the first valve core, the valve plate is deformed, the valve plate transmits the deformed force to the second valve core, a plug rod at the bottom of the second valve core extrudes the valve seat, the valve seat is deformed, in order to offset the stress brought by the second valve core, the service life of the valve seat is prolonged, and the lower part of the valve seat is designed to be smaller than the diameter of the inner wall of the transition channel, so that the deformation of the valve seat has a certain deformation accommodating space, and the service life is prolonged; when the cutting of the second valve core extrudes the valve seat, the gap between the cutting and the valve seat is reduced, so that the liquid spraying flow is reduced; the following drawbacks still remain:

when the pipeline is protected, the valve body is not easy to adjust the limiting pressure of the pipeline for stabilizing pressure, and the pipeline liquid flow work is influenced.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the pressure stabilizing safety valve for preventing the pipeline from bursting, and the problem that the valve body is not easy to regulate the limiting pressure of the pipeline pressure stabilization at present is effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the pressure stabilizing safety valve for preventing the pipeline from bursting comprises a valve body, wherein connecting pipes are symmetrically arranged at two ends of the valve body, and a pressure stabilizing protection assembly is arranged at the top end of the valve body;

the pressure stabilizing protection assembly comprises a top cylinder arranged at the top end of the valve body, a pressure relief pipe is arranged at one side of the top cylinder, a blocking plug is movably arranged in the top cylinder, the outer wall of the blocking plug is clung to the inner wall of the top cylinder, the pressure relief pipe is closed by the blocking plug, a first spring is arranged at the top end of the blocking plug, and the top end of the first spring is fixedly connected with the inner top wall of the top cylinder.

Preferably, the fixed box is installed to one side that the pressure release pipe was kept away from to the top section of thick bamboo, and the inside movable mounting of fixed box has the movable groove, and the inside movable mounting of movable groove has the movable block, and the movable block is installed to one side that is close to the top section of thick bamboo, and the one end joint of clamping lever is in the inside of draw-in groove, and the draw-in groove is seted up and is blocked one side that the stopper is close to the fixed box.

Preferably, the inside movable mounting in movable groove has the pressure movable plate, and the pressure movable plate is located the movable block and keeps away from the one side of keeping off the stopper, and the second spring is installed to one side that the movable block is close to the pressure movable plate, and the one end and the pressure movable plate contact of second spring, and the screw rod is installed to one side that the pressure movable plate kept away from the stopper, screw rod and fixed box threaded connection.

Preferably, the bottom groove is formed in the bottom end of the fixed box, the bottom groove penetrates into the valve body, the communicating groove is formed in the top end of the bottom groove, and the communicating groove penetrates into the movable groove.

Preferably, the bottom of movable block is installed the bottom piece, and bottom piece and intercommunication groove sliding connection, the bottom rotation of bottom piece is connected with the dwang, and the clamp plate is installed in the bottom rotation of dwang, and clamp plate movable mounting is in the inside of bottom groove, and the outer wall of clamp plate hugs closely with the inner wall of bottom groove.

Preferably, guide rods are uniformly arranged on the inner top wall of the bottom groove, and the guide rods are in sliding connection with the pressing plate.

Preferably, the alarm is installed on the top of fixed case, and the contact is installed to the inner wall bilateral symmetry of movable groove, and two contacts and alarm electric connection, movable block's internally mounted have the conducting rod.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the screw is in threaded connection with the fixed box, the pressing plate moves in the movable groove after rotating the screw, so that the elastic force value of the second spring is adjusted, the stopper can be separated from the clamping connection only after the pressing plate moves to overcome the elastic force of the second spring, and therefore, the limiting pressure of the inner wall of the pipeline is adjusted, and the pipeline is convenient to use;

(2) When this novel card pole is shifted out from the draw-in groove inside, the movable block removes to the contact of conducting rod both ends with movable groove inner wall both sides respectively, and electric connection has the alarm between two contacts to when carrying out the pressure release, the alarm sends out the alarm, makes things convenient for the staff to carry out inspection protection to the pipeline.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a pressure stabilizing safety valve for preventing pipeline bursting according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the valve body of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the stationary box of the present utility model;

in the figure: 1. a valve body; 2. a connecting pipe; 3. a voltage stabilizing protection component; 301. a top barrel; 302. a pressure relief tube; 303. a stopper; 304. a first spring; 305. a fixed box; 306. a clamping groove; 307. a movable groove; 308. a movable block; 309. a clamping rod; 310. a bottom groove; 311. a communication groove; 312. a pressing plate; 313. a bottom block; 314. a rotating lever; 315. a guide rod; 316. a second spring; 317. a pressing plate; 318. a screw; 319. an alarm; 320. a conductive rod; 321. and a contact.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The first embodiment is shown in fig. 1-4, the utility model comprises a valve body 1, connecting pipes 2 are symmetrically arranged at two ends of the valve body 1, and a voltage stabilizing protection component 3 is arranged at the top end of the valve body 1;

the pressure stabilizing protection assembly 3 comprises a top cylinder 301 arranged at the top end of the valve body 1, a pressure release pipe 302 is arranged at one side of the top cylinder 301, a blocking plug 303 is movably arranged in the top cylinder 301, the outer wall of the blocking plug 303 is tightly attached to the inner wall of the top cylinder 301, the blocking plug 303 seals the pressure release pipe 302, a first spring 304 is arranged at the top end of the blocking plug 303, the top end of the first spring 304 is fixedly connected with the inner top wall of the top cylinder 301, a fixed box 305 is arranged at one side of the top cylinder 301 far away from the pressure release pipe 302, a movable groove 307 is movably arranged in the fixed box 305, a movable block 308 is movably arranged in the movable groove 307, a clamping rod 309 is arranged at one side of the movable block 308 near the top cylinder 301, one end of the clamping rod 309 is clamped in the inside of the clamping groove 306, the clamping groove 306 is arranged at one side of the blocking plug 303 near the fixed box 305, a movable pressing plate 317 is movably arranged in the movable groove 307, the pressing plate 317 is positioned at one side of the movable block 308 far away from the blocking plug 305, a second spring 316 is arranged on one side of the movable block 308 close to the pressing plate 317, one end of the second spring 316 is in contact with the pressing plate 317, a screw rod 318 is arranged on one side of the pressing plate 317 far away from the blocking plug 303, the screw rod 318 is in threaded connection with the fixed box 305, a bottom groove 310 is arranged at the bottom end of the fixed box 305, the bottom groove 310 penetrates into the valve body 1, a communication groove 311 is arranged at the top end of the bottom groove 310, the communication groove 311 penetrates into the movable groove 307, a bottom block 313 is arranged at the bottom end of the movable block 308, the bottom block 313 is in sliding connection with the communication groove 311, a rotating rod 314 is rotatably connected at the bottom end of the bottom block 313, a pressing plate 312 is rotatably arranged at the bottom end of the rotating rod 314, the pressing plate 312 is movably arranged in the bottom groove 310, the outer wall of the pressing plate 312 is tightly attached to the inner wall of the bottom groove 310, a guide rod 315 is uniformly arranged on the inner top wall of the bottom groove 310, the guide rod 315 is in sliding connection with the pressing plate 312, an alarm 319 is arranged at the top end of the fixed box 305, the contact 321 is installed to the inner wall bilateral symmetry of movable groove 307, two contact 321 and alarm 319 electric connection, movable block 308's internally mounted has conducting rod 320, screw rod 318 and fixed box 305 threaded connection, make the pressure movable plate 317 remove inside movable groove 307 after rotating screw rod 318, thereby adjust the elasticity value of second spring 316, and the removal of clamp plate 312 needs overcome the elasticity of second spring 316, just can break away from the joint with blocking plug 303, thereby adjust pipeline inner wall extreme pressure, facilitate the use, when card pole 309 shifts out from draw-in groove 306 inside, movable block 308 moves to the contact 321 contact of conducting rod 320 both ends with movable groove 307 inner wall both sides respectively, and electric connection has alarm 319 between two contact 321, thereby when carrying out the pressure release, the alarm 319 sends the alarm, make things convenient for the staff to carry out inspection protection to the pipeline.

Working principle: when the pressure in the pipeline exceeds a set value, the bottom end of the pressing plate 312 is increased, so that the pressing plate 312 moves upwards, the rotating rod 314 rotates to drive the movable block 308 to move towards the pressing plate 317, the movable block 308 overcomes the elasticity of the second spring 316 until the clamping rod 309 moves out of the clamping groove 306, and the blocking plug 303 moves upwards under the action of pressure to open the pressure release pipe 302, thereby facilitating the discharge of liquid, avoiding the overlarge pressure in the pipeline and preventing the pipeline from bursting;

in the use, clamp plate 312 needs to overcome the elasticity of second spring 316 and just can remove, rotate screw rod 318, because screw rod 318 and fixed box 305 threaded connection for pressure movable plate 317 moves in movable groove 307, thereby adjust the elasticity value of second spring 316, thereby adjust pipeline inner wall extreme pressure, facilitate the use, when card pole 309 shifts out from draw-in groove 306 inside, movable block 308 moves to the contact 321 contact of conducting rod 320 both ends with movable groove 307 inner wall both sides respectively this moment, and electric connection has alarm 319 between two contacts 321, thereby when carrying out the pressure release, alarm 319 sends the alarm, the convenience staff carries out the inspection protection to the pipeline.

Claims (3)

1. The utility model provides a prevent steady voltage relief valve that pipeline bursts, includes valve body (1), its characterized in that: connecting pipes (2) are symmetrically arranged at two ends of the valve body (1), and a voltage stabilizing protection assembly (3) is arranged at the top end of the valve body (1);

the pressure stabilizing protection assembly (3) comprises a top cylinder (301) arranged at the top end of the valve body (1), one side of the top cylinder (301) is provided with a pressure releasing pipe (302), the inside of the top cylinder (301) is movably provided with a blocking plug (303), the outer wall of the blocking plug (303) is tightly attached to the inner wall of the top cylinder (301), the blocking plug (303) seals the pressure releasing pipe (302), the top end of the blocking plug (303) is provided with a first spring (304), the top end of the first spring (304) is fixedly connected with the inner top wall of the top cylinder (301), one side of the top cylinder (301) away from the pressure releasing pipe (302) is provided with a fixed box (305), the inside of the fixed box (305) is movably provided with a movable groove (307), the inside of the movable groove (307) is movably provided with a movable block (308), one side of the movable block (308) close to the top cylinder (301) is provided with a clamping rod (309), one end of the clamping rod (309) is clamped in the inside of the clamping groove (306), the blocking groove (306) is arranged on one side of the blocking plug (303) close to the fixed box (303), one side of the movable block (307) is provided with a movable block (317) and the movable block (317) is arranged on one side of the movable block (308) close to the movable block (317), one end of second spring (316) and pressure movable plate (317) contact, one side that keeps away from stopper (303) of pressure movable plate (317) is installed screw rod (318), screw rod (318) and fixed box (305) threaded connection, kerve (310) have been seted up to the bottom of fixed box (305), kerve (310) run through to the inside of valve body (1), intercommunication groove (311) have been seted up on the top of kerve (310), intercommunication groove (311) run through to the inside of movable groove (307), bottom piece (313) are installed to the bottom of movable block (308), bottom piece (313) and intercommunication groove (311) sliding connection, the bottom of bottom piece (313) rotates and is connected with dwang (314), clamp plate (312) are installed in the bottom rotation of dwang (314), clamp plate (312) movable mounting is in the inside of kerve (310), the outer wall and the inner wall of kerve (310) are hugged closely.

2. A pressure-stabilizing safety valve for preventing bursting of a pipe as set forth in claim 1, wherein: guide rods (315) are uniformly arranged on the inner top wall of the bottom groove (310), and the guide rods (315) are in sliding connection with the pressing plate (312).

3. A pressure-stabilizing safety valve for preventing bursting of a pipe as set forth in claim 1, wherein: the top of fixed case (305) is installed alarm (319), and contact (321) are installed to the inner wall bilateral symmetry of movable groove (307), and two contact (321) and alarm (319) electric connection, the internally mounted of movable block (308) have conducting rod (320).