CN216813022U

CN216813022U - Removable control by temperature change governing valve fusible plug

Info

Publication number: CN216813022U
Application number: CN202122514772.5U
Authority: CN
Inventors: 陶金; 谢昊; 潘欣
Original assignee: Nanjing Tobus New Material Technology Co ltd
Current assignee: Nanjing Tobus New Material Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-06-24
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a replaceable temperature control regulating valve fusible plug, and particularly relates to the technical field of temperature control regulating valves. The easily-melted blocks are quickly discharged when the temperature is too high and the water pressure is too high, so that the pressure relief effect is realized. The utility model has reasonable and compact structural design and good use effect, and can effectively protect the device from being damaged.

Description

Removable control by temperature change governing valve fusible plug

Technical Field

The utility model relates to the technical field of replaceable fusible plugs of temperature control regulating valves, in particular to a replaceable fusible plug of a temperature control regulating valve.

Background

The fusible plug is characterized in that the fusible plug has simple structure and easy replacement, and the action pressure determined by the melting temperature is easy to control, and the fusible plug of the replaceable temperature control regulating valve in the prior art has the following problems:

1. in the prior art, after the replaceable fusible plug of the temperature control regulating valve is used, the new fusible plug needs to be replaced again, and the replacement process needs to be disassembled and assembled by a special tool, so that the labor and the time are wasted, and the working efficiency is reduced;

2. in the prior art, when the temperature changes, the temperature control regulating valve can be quickly started to close a water valve, so that a water hammer phenomenon is easily caused, huge water pressure is generated, and the temperature control regulating valve can be damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a replaceable fusible plug of a temperature control regulating valve, so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme: the replaceable fusible plug of the temperature control regulating valve comprises a temperature control valve, a water valve is arranged at the lower end of the temperature control valve, a bolt is arranged on the outer side of the water valve, a through groove is formed in the bolt, a plurality of heat absorbing sheets are welded at one end of the bolt and arranged in a circular structure, a fusible block is arranged in the through groove, and a clamping groove is formed in the outer side of the fusible block.

Preferably, two grooves are symmetrically formed in the inner sides of the through grooves, two sliding grooves are symmetrically formed in the inner sides of the grooves, a connecting plate is arranged inside each groove, an elastic sheet is welded on one side opposite to the connecting plate, and one side of each elastic sheet is abutted to the inner sides of the grooves.

Preferably, the inside welding of connecting plate has the dwang, the outside of dwang and the inboard sliding connection of spout, the welding of one side relatively of connecting plate has the fixture block, the outside of fixture block and the inboard joint cooperation of draw-in groove.

Preferably, a water passing groove a is formed in the bolt, a water passing groove B is communicated with the water passing groove a, the interior of the water passing groove B is communicated with the interior of the water valve, a piston is connected to the inner side of the water passing groove a in a sliding mode, one side of the piston is in sliding contact with the outer side of the connecting plate, and the other side of the piston abuts against the limit ring a.

Preferably, the outer side of the limiting ring A is tightly welded with the inner side of the water flowing groove A, a spring A is arranged inside the limiting ring A, one end of the spring A is tightly welded with the outer side of the piston, a stud is welded at the other end of the spring A, and the outer side of the stud is in threaded connection with the inner side of the water flowing groove A.

Preferably, one end of the easy-melting block close to the heat-absorbing sheet abuts against a rubber ring, one side of the rubber ring far away from the easy-melting block abuts against a spring B, and one end of the spring B far away from the rubber ring abuts against a limiting ring B.

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

1. according to the utility model, the fusible blocks are arranged and are conducted to the fusible blocks through the heat absorbing sheet and the bolts, the surface area of the heat absorbing sheet is increased, so that the temperature conduction is faster, the reaction speed of the fusible blocks is accelerated, when the temperature of the water valve exceeds a critical value, the fusible blocks reach a melting point and start to melt, so that the clamping grooves and the clamping blocks are separated, the fusible blocks are pushed out under the action of the spring B, the purpose of fast reaction is achieved, the new fusible blocks are replaced, the rubber ring is extruded by pushing the new fusible blocks, the spring B is compressed, and the clamping grooves and the clamping blocks are mutually clamped under the action of the elastic sheets, so that the fusible blocks are fast fixed, the operation is convenient and fast, and the working efficiency is improved.

2. According to the utility model, by arranging the water passing groove A and the water passing groove B and utilizing the principle of incompressibility of water, when severe water hammer occurs, water pressure passes through the water passing groove A and the water passing groove B to push the piston to move and stretch the spring A, the piston pushes the connecting plate to rotate, so that the clamping groove and the clamping block are separated under the action of the spring B to push out the fusible block, the purpose of rapid pressure relief is achieved, the temperature control valve and the water valve are protected from being damaged, and the tension of the spring A is adjusted by rotating the stud to play a role in adjusting a set value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall schematic view of the present invention.

FIG. 2 is a schematic diagram of the present invention with a partially disassembled structure.

FIG. 3 is an enlarged view of the present invention at A.

In the figure: 1. a temperature control valve; 2. a water valve; 3. a bolt; 4. a through groove; 5. a heat absorbing sheet; 6. easy fusion blocks; 7. a card slot; 8. a groove; 9. a chute; 10. a connecting plate; 11. a spring plate; 12. rotating the rod; 13. a clamping block; 14. a water passing tank A; 15. a water passing tank B; 16. a piston; 17. a limiting ring A; 18. a spring A; 19. a stud; 20. a rubber ring; 21. a spring B; 22. and a limiting ring B.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example (b): as shown in figures 1-3, the utility model provides a replaceable temperature control regulating valve fusible plug, which comprises a temperature control valve 1, wherein a water valve 2 is arranged at the lower end of the temperature control valve 1, a bolt 3 is arranged on the outer side of the water valve 2, a through groove 4 is formed in the bolt 3, a plurality of heat absorbing sheets 5 are welded at one end of the bolt 3, the heat absorbing sheets 5 are arranged in a circular structure, a fusible block 6 is arranged in the through groove 4, a clamping groove 7 is formed in the outer side of the fusible block 6, two grooves 8 are symmetrically formed in the inner side of the through groove 4, two sliding grooves 9 are symmetrically formed in the inner sides of the grooves 8, a connecting plate 10 is arranged in the groove 8, an elastic sheet 11 is welded at the opposite side of the connecting plate 10, one side of the elastic sheet 11 is abutted against the inner sides of the grooves 8, a rotating rod 12 is welded in the connecting plate 10, the outer side of the rotating rod 12 is slidably connected with the inner side of the sliding groove 9, and a clamping block 13 is welded at the opposite side of the connecting plate 10, the outer side of the clamping block 13 is in clamping fit with the inner side of the clamping groove 7; the heat absorbing sheet 5 and the bolt 3 conduct heat to the fusible block 6, the surface area of the heat absorbing sheet 5 is increased, so that the temperature conduction is faster, the reaction speed of the fusible block 6 is accelerated, when the temperature of the water valve 2 exceeds a critical value, the fusible block 6 reaches a melting point and starts to melt, the clamping groove 7 is separated from the clamping block 13, the fusible block 6 is pushed out under the action of the spring B21, the purpose of fast reaction is achieved, the new fusible block 6 is replaced, the rubber ring 20 is extruded by pushing the new fusible block 6, the spring B21 is compressed, the clamping groove 7 and the clamping block 13 are clamped with each other under the action of the elastic sheet 11, the fusible block 6 is fixed fast, convenience and rapidness are achieved, and the working efficiency is improved.

Furthermore, a water trough A14 is formed in the bolt 3, a water trough B15 is communicated with the water trough A14, the inside of the water trough B15 is communicated with the inside of the water valve 2, a piston 16 is connected to the inner side of the water trough A14 in a sliding manner, one side of the piston 16 is in sliding contact with the outer side of the connecting plate 10, the other side of the piston 16 is abutted against a limit ring A17, the outer side of a limit ring A17 is tightly welded to the inner side of the water trough A14, a spring A18 is arranged in the limit ring A17, one end of the spring A18 is tightly welded to the outer side of the piston 16, a stud 19 is welded to the other end of the spring A18, the outer side of the stud 19 is in threaded connection with the inner side of the water trough A14, a rubber ring 20 is abutted against one end of the fusible block 6 close to the heat absorption sheet 5, a spring B21 is abutted against one side of the rubber ring 20 far away from the fusible block 6, and a limiting ring B22 is abutted against one end of the spring B21 far away from the rubber ring 20;

by utilizing the incompressibility principle of water, when severe water hammer occurs, water pressure passes through the water passing groove A14 and the water passing groove B15 to push the piston 16 to move, the spring A18 is stretched, the piston 16 pushes the connecting plate 10 to rotate, the clamping groove 7 and the clamping block 13 are separated under the action of the spring B21, the fusible block 6 is pushed out, the purpose of rapid pressure relief is achieved, the temperature control valve 1 and the water valve 2 are protected from being damaged, the tension of the spring A18 is adjusted by rotating the stud 19, and the effect of adjusting the set value is achieved.

The working principle is as follows: according to the utility model, the heat absorbing sheet 5 and the bolt 3 are used for conducting the fusible block 6, the surface area of the heat absorbing sheet 5 is increased, so that the temperature conduction is faster, the reaction speed of the fusible block 6 is accelerated, when the temperature of the water valve 2 exceeds a critical value, the fusible block 6 reaches a melting point and starts to melt, the clamping groove 7 is separated from the clamping block 13, the fusible block 6 is pushed out under the action of the spring B21, the purpose of fast reaction is achieved, a new fusible block 6 is replaced, the rubber ring 20 is extruded by pushing the new fusible block 6, the spring B21 is compressed, and the clamping groove 7 and the clamping block 13 are clamped with each other under the action of the elastic sheet 11, so that the fusible block 6 is fast fixed;

utilize the incompressibility principle of water, when taking place violent water hammer, water pressure passes through water trough A14 and water trough B15, promote piston 16 and remove, and extension spring A18, piston 16 promotes the connecting plate 10 and rotates, make draw-in groove 7 and fixture block 13 separate under the effect of spring B21, release fusible block 6, reach the purpose of quick pressure release, protection temperature-sensing valve 1 and water valve 2 do not receive the destruction, through the pulling force of rotating double-screw bolt 19 regulating spring A18, play the effect of adjustment settlement numerical value.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a removable temperature control governing valve fusible plug, includes temperature-sensing valve (1), its characterized in that: the lower extreme of temperature-sensing valve (1) is equipped with water valve (2), the outside of water valve (2) is equipped with bolt (3), logical groove (4) have been seted up to the inside of bolt (3), the one end welding of bolt (3) has a plurality of heat absorption pieces (5), heat absorption piece (5) are the circular structure and arrange, the inside of logical groove (4) is equipped with easy frit (6), draw-in groove (7) have been seted up in the outside of easy frit (6).

2. The replaceable fusible plug of the temperature control regulating valve according to claim 1, wherein the through groove (4) is symmetrically provided with two grooves (8) at the inner side thereof, the grooves (8) are symmetrically provided with two sliding grooves (9) at the inner side thereof, the grooves (8) are internally provided with connecting plates (10), the opposite sides of the connecting plates (10) are welded with spring pieces (11), and one sides of the spring pieces (11) are abutted against the inner sides of the grooves (8).

3. The replaceable fusible plug of the temperature control regulating valve according to claim 2, wherein a rotating rod (12) is welded inside the connecting plate (10), the outer side of the rotating rod (12) is slidably connected with the inner side of the sliding groove (9), a clamping block (13) is welded on the opposite side of the connecting plate (10), and the outer side of the clamping block (13) is in clamping fit with the inner side of the clamping groove (7).

4. The replaceable fusible plug of the temperature control regulating valve as claimed in claim 3, wherein a water passing groove A (14) is formed in the bolt (3), a water passing groove B (15) is communicated with the inside of the water passing groove A (14), the inside of the water passing groove B (15) is communicated with the inside of the water valve (2), a piston (16) is connected to the inner side of the water passing groove A (14) in a sliding mode, one side of the piston (16) is in sliding contact with the outer side of the connecting plate (10), and the other side of the piston (16) abuts against a limiting ring A (17).

5. The replaceable fusible plug of the temperature control regulating valve according to claim 4, wherein the outer side of the limiting ring A (17) is tightly welded with the inner side of the water through groove A (14), a spring A (18) is arranged inside the limiting ring A (17), one end of the spring A (18) is tightly welded with the outer side of the piston (16), the other end of the spring A (18) is welded with a stud (19), and the outer side of the stud (19) is in threaded connection with the inner side of the water through groove A (14).

6. The replaceable thermostatic control valve fusible plug of claim 1 wherein the end of the fusible block (6) adjacent to the heat sink (5) abuts a rubber ring (20), the side of the rubber ring (20) remote from the fusible block (6) abuts a spring B (21), and the end of the spring B (21) remote from the rubber ring (20) abuts a retainer B (22).