Pressure relief water replenishing valve
By designing a one-way pressure relief and water supply valve in the water circuit of the wall-hung boiler, the problem of the existing water supply valve having only one function is solved, realizing the dual functions of water supply and pressure relief, and improving the performance.
Patent Information
- Application Number
- CN202520066617.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The existing water supply valve for wall-hung boilers has a single function and cannot release pressure while supplying water.
Design a pressure relief and water supply valve. By setting a one-way mechanism inside the valve stem, when the pipeline pressure is too high, the one-way mechanism opens to drain the liquid and relieve pressure in the pipeline. The combination of the one-way mechanism and the movement of the valve stem realizes the functions of water supply and pressure relief.
It achieves pressure relief in the pipeline while replenishing water, offering a wide range of functions and excellent performance.
Smart Images
Figure CN223690424U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a water replenishing valve, more particularly to a pressure relief water replenishing valve. BACKGROUND
[0002] The water replenishing valve in the water circuit of the existing wall-hanging stove only has the function of replenishing water to the pipeline, and is single in function, and therefore needs to be improved. UTILITY MODEL CONTENTS
[0003] The utility model discloses a pressure relief water replenishing valve, which is characterized in that a one-way mechanism is arranged in the valve rod, so that the pipeline can be replenished with water, and when the pressure of the pipeline is too high, the one-way mechanism is opened to drain the liquid and relieve the pressure, so that the water replenishing valve has the functions of water replenishing and pressure relief.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressure relief water replenishing valve, comprising a shell and a valve rod, the shell comprises a first channel and a second channel, one end of the valve rod is inserted into the shell, the valve rod can move to make the first channel and the second channel communicate or block, characterized in that a liquid inlet hole and a second installation cavity are arranged in the valve rod, a one-way mechanism is installed in the second installation cavity, the second channel, the liquid inlet hole and the one-way mechanism form a one-way communication pressure relief water circuit.
[0005] Further, the one-way mechanism comprises a plug and a spring, the lower part of the plug abuts against the upper part of the spring, the plug can move up and down to block the lower end of the liquid inlet hole or separate from the liquid inlet hole, and the plug has a gap with the inner wall of the second installation cavity.
[0006] Further, the one-way mechanism comprises an adjusting head, the adjusting head is connected with the valve rod, the adjusting head comprises a liquid outlet hole, the liquid outlet hole communicates with the second installation cavity, and the lower end of the spring abuts against the upper end of the adjusting head.
[0007] Further, the adjusting head is connected with the second installation cavity through threads, the adjusting head can move up and down, the adjusting head comprises a threaded part, the threaded part is connected with the inner wall of the second installation cavity through threads, and the adjusting head is rotated to make the adjusting head close to or away from the plug.
[0008] Further, the plug comprises a protrusion, the protrusion is gap-fitted with the inner wall of the second installation cavity, the lower part of the protrusion is provided with a first limiting table, the upper end of the adjusting head is provided with a second limiting table, the spring is respectively sleeved outside the first limiting table and the second limiting table, and the lower part of the adjusting head is provided with a cutout.
[0009] Further, the one-way mechanism is a one-way valve.
[0010] Further, the shell comprises a sealed cavity, the first channel communicates with the sealed cavity, the second channel communicates with or blocks the sealed cavity through a valve rod, the valve rod comprises a fourth boss, a second annular groove is arranged outside the fourth boss, a second sealing ring is arranged in the second annular groove, and the fourth boss can be inserted into the second channel and the second sealing ring can block the end of the second channel, so that the second channel is blocked from the sealed cavity.
[0011] Further, the shell comprises an inner liner, the valve rod penetrates the inner liner, the valve rod comprises a threaded segment and a sealing segment arranged above the threaded segment, a third sealing ring is arranged outside the sealing segment, the sealing segment is sealed with the inner wall of the inner liner through the third sealing ring, and the inner liner is connected with the threaded segment in a threaded mode.
[0012] Further, the shell comprises a first mounting cavity, the inner liner is mounted in the first mounting cavity, the inner liner comprises a limiting part, the limiting part is non-circular, a third boss is arranged at the upper part of the limiting part, a first sealing ring is arranged outside the third boss, the first sealing ring is sealingly matched with the inner wall of the first mounting cavity, the inner liner is fixed with the shell through a clamping wire, a first annular groove is arranged outside the third boss and below the first sealing ring, the shell comprises a insertion hole, the clamping wire penetrates the insertion hole, and the part of the clamping wire located in the first mounting cavity is embedded in the first annular groove.
[0013] Further, a knob is fixed to the lower part of the valve rod, the valve rod comprises a limiting segment, the limiting segment is non-circular in cross section, the knob comprises a limiting opening, the limiting segment is inserted into the limiting opening and fixed, a plurality of notches are arranged on the circumferential side of the limiting segment, and a clamping block corresponding to the notches is arranged on the inner wall of the limiting opening and embedded in the notches.
[0014] The shell comprises a first boss and a second boss, the first channel is located in the first boss, and the second channel is located in the second boss.
[0015] In conclusion, the utility model has the following beneficial effects:
[0016] When the pressure in the pipeline exceeds the set value of the one-way mechanism, the one-way mechanism is opened, at this time, the liquid inlet hole communicates with the outside, the liquid in the second channel can be discharged to the outside through the one-way structure, and in the process of discharging the liquid, the pipeline at the second channel can be depressurized, the one-way structure is arranged in the valve rod, so that the utility model has the functions of water replenishment and pipeline pressure relief, is rich in functions and has good use effect. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the utility model;
[0018] Figure 2The exploded view of the utility model;
[0019] Figure 3 The sectional view of the utility model;
[0020] Figure 4 For Figure 3 The enlarged view at A;
[0021] Figure 5 For Figure 3 The enlarged view at B;
[0022] Figure 6 The structural schematic diagram of the adjusting head.
[0023] The figure mark: 1, the shell; 11, first passageway; 12, second passageway; 13, first boss; 14, second boss; 15, first installation cavity; 16, sealing cavity; 17, jack; 2, inner liner; 21, limit part; 22, third boss; 23, first sealing ring; 24, first annular groove; 3, valve stem; 31, liquid inlet hole; 32, sealing section; 33, second installation cavity; 331, sealing platform; 34, fourth boss; 35, second annular groove; 36, limit slot; 37, threaded section; 38, limit section; 39, notch; 4, plug; 41, protruding block; 42, first limit platform; 5, spring; 6, knob; 61, limit mouth; 62, clamping block; 7, adjusting head; 71, liquid outlet hole; 72, threaded part; 73, second limit platform; 74, cutout; 8, second sealing ring; 9, third sealing ring; 100, clamping wire. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] As Figures 1 to 6 The utility model discloses a pressure relief water replenishing valve, including shell 1 and valve stem 3, the shell 1 includes first passageway 11, second passageway 12, first boss 13 and second boss 14, first passageway 11 is located in first boss 13, second passageway 12 is located in second boss 14;
[0026] As Figure 3As shown, the valve rod 3 is inserted into the shell 1 at one end, and the valve rod 3 is movable to connect or block the first channel 11 and the second channel 12, specifically, the shell 1 comprises a sealing cavity 16, the first channel 11 is communicated with the sealing cavity 16, and the second channel 12 is communicated or blocked with the sealing cavity 16 through the valve rod 3, the valve rod 3 comprises a fourth boss 34, the fourth boss 34 is provided with a second annular groove 35 outside, and the second annular groove 35 is provided with a second sealing ring 8 inside, and the fourth boss 34 can be inserted into the second channel 12 at the upper end and the second sealing ring 8 can block the end of the second channel 12, so that the second channel 12 is blocked with the sealing cavity 16, when water needs to be replenished, the valve rod 3 moves downward, the fourth boss 34 and the second sealing ring 8 are separated from the opening of the second channel 12 at the sealing cavity 16, the first channel 11, the sealing cavity 16 and the second channel 12 are communicated, and the water replenishing operation is realized.
[0027] Wherein, the fourth boss 34 is provided with a limiting groove 36 outside, and the lower part of the second sealing ring 8 is located in the limiting groove 36, when the end of the second channel 12 is sealed by the second sealing ring 8, the second sealing ring 8 will be extruded and deformed, therefore, through the limiting groove 36, the second sealing ring 8 can be deformed and limited, thereby greatly improving the sealing effect of the end of the second channel 12.
[0028] The shell 1 comprises an inner liner 2, the valve rod 3 penetrates through the inner liner 2, the valve rod 3 comprises a threaded section 37 and a sealing section 32 above the threaded section 37, the sealing section 32 is provided with a third sealing ring 9 outside, the sealing section 32 is sealed with the inner wall of the inner liner 2 through the third sealing ring 9, and the inner part of the inner liner 2 is connected with the threaded section 37 in a threaded manner, through the third sealing ring 9, the liquid in the shell 1 can be prevented from seeping out from the gap between the valve rod 3 and the inner liner 2, and the sealing effect between the valve rod 3 and the inner liner 2 is ensured, through the cooperation between the threaded section 37 and the inner wall of the inner liner 2, the threaded connection between the inner liner 2 and the valve rod 3 is realized, so that the rotating upward or downward movement of the valve rod 3 can be realized.
[0029] As shown in the figure, Figure 3 The shell 1 comprises a first mounting cavity 15, the inner liner 2 is mounted in the first mounting cavity 15, the inner liner 2 comprises a limiting part 21, the limiting part 21 is non-circular, and the limiting part 21 is located in the first mounting cavity 15 and gap-fitted with the inner wall of the first mounting cavity 15, the non-circular limiting part 21 can avoid the rotation of the inner liner 2 in the first mounting cavity 15;
[0030] The third boss 22 is provided with a first sealing ring 23 outside, the first sealing ring 23 is in sealing cooperation with the inner wall of the first installation cavity 15, and the cross section of the first installation cavity 15 in the region matched with the third boss 22 is a prototype; by arranging the first sealing ring 23, liquid in the sealing cavity 16 can be effectively prevented from leaking out from the gap between the inner liner 2 and the first installation cavity 15.
[0031] The inner liner 2 is fixed with the shell 1 through a clamping wire 100, the third boss 22 is provided with a first annular groove 24 outside, the first annular groove 24 is located below the first sealing ring 23, the shell 1 comprises a insertion hole 17, the clamping wire 100 penetrates through the insertion hole 17, and the part of the clamping wire 100 located in the first installation cavity 15 is embedded in the first annular groove 24; the shell 1 and the inner liner 2 are fixed by adopting the clamping wire 100, so that the fixing is reliable, and the inner liner 2 is convenient to disassemble and assemble.
[0032] The outer diameter size of the limiting groove 36 is greater than the cross section size of the sealing section 32, so that the valve rod 3 can be effectively prevented from being pulled out from below the inner liner 2.
[0033] The valve rod 3 is fixed with a knob 6 at the lower part, the valve rod 3 comprises a limiting section 38, the limiting section 38 is non-circular in cross section, the knob 6 comprises a limiting opening 61, the limiting opening 61 is in clearance cooperation with the limiting section 38, the limiting section 38 is inserted into the limiting opening 61 and is fixed, the limiting section 38 is provided with a plurality of notches 39 on the side, the limiting opening 61 is provided with clamping blocks 62 corresponding to the notches 39 on the inner wall, and the clamping blocks 62 are embedded in the notches 39; the knob 6 is located outside the shell 1, the limiting section 38 is cooperated with the limiting opening 61, and the clamping blocks 62 are cooperated with the notches 39, so that the valve rod 3 and the knob 6 can be fixed, and the rotation operation of the valve rod 3 is facilitated.
[0034] As shown in the figure, Figure 3 The valve rod 3 is internally provided with a liquid inlet hole 31 and a second installation cavity 33, the second installation cavity 33 is installed with a one-way mechanism, the second channel 12, the liquid inlet hole 31 and the one-way mechanism form a one-way communication pressure relief waterway, when the pipeline pressure exceeds the set value of the one-way mechanism, the one-way mechanism is opened, at this time, the liquid inlet hole 31 is in communication with the outside, and the liquid in the second channel 12 can be discharged to the outside through the one-way structure, in the process of discharging the liquid, the pipeline at the second channel 12 can be relieved, by arranging the one-way structure in the valve rod 3, so that the utility model not only has the water supplementing function, but also has the function of relieving the pipeline pressure, the function is rich, and the use effect is good.
[0035] The one-way mechanism can be a one-way valve (not shown in the figure) or other structures with one-way function.
[0036] In the utility model, the one-way mechanism includes the plug 4 and spring 5, the plug 4 is rubber material, the lower part of plug 4 abuts spring 5 upper part, the plug 4 can move up and down, to plug the lower end of liquid inlet hole 31 or separate from liquid inlet hole 31, the plug 4 and the second installation cavity 33 inner wall exist gap, specifically, the adjusting head 7 and second installation cavity 33 are connected through thread, the adjusting head 7 includes threaded portion 72, the threaded portion 72 and second installation cavity 33 inner wall are connected with thread, the one-way mechanism includes adjusting head 7, the adjusting head 7 is connected with valve stem 3, the adjusting head 7 includes liquid outlet hole 71, the liquid outlet hole 71 is communicated with second installation cavity 33, the lower end of spring 5 abuts adjusting head 7 upper end;
[0037] The plug 4, spring 5 and adjusting head 7 form the one-way mechanism with one-way communication function, when the pressure in the pipeline is not high, the plug 4 is subjected to the elastic force of spring 5, the upper part of plug 4 plugs the lower end opening of liquid inlet hole 31, and liquid inlet hole 31 is blocked with second installation cavity 33;When the pressure in the pipeline is too large, the plug 4 will be pushed to move, the lower end opening of liquid inlet hole 31 is opened, and spring 5 is compressed, at this time, the water in the pipeline can enter second installation cavity 33, and pass through plug 4, and finally flow out to the outside from liquid outlet hole 71, realizing the pressure relief in the pipeline.
[0038] The adjusting head 7 can move up and down, and the adjusting head 7 is rotated to make the adjusting head 7 close to or away from the plug 4, because the adjusting head 7 and valve stem 3 are connected with thread, so the initial position of adjusting head 7 can be adjusted by rotating the adjusting head 7, thereby adjusting the pressure relief, and meeting different use requirements.
[0039] The plug 4 includes lug 41, the lug 41 and the second installation cavity 33 inner wall gap fit, the lower part of lug 41 is equipped with first limit platform 42, the upper end of adjusting head 7 is equipped with second limit platform 73, spring 5 is respectively set in the outside of first limit platform 42 and second limit platform 73, through the above design, the spring 5 can be positioned, and the structure is more reliable.
[0040] Wherein, the lower end of liquid inlet hole 31 is located in the second installation cavity 33 and is provided with sealing platform 331, the upper end of lug 41 can abut or separate from the lower part of sealing platform 331, by setting sealing platform 331, the sealing effect of the lower end of liquid inlet hole 31 can be improved.
[0041] The lower part of adjusting head 7 is equipped with cutout 74, by setting cutout 74, the user twists adjusting head 7.
[0042] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.
Claims
1. A pressure relief and water replenishing valve comprising a housing (1) and a valve stem (3), said housing (1) comprising a first passage (11) and a second passage (12), said valve stem (3) being inserted into said housing (1) at one end, said valve stem (3) being movable to communicate or block said first passage (11) and said second passage (12), characterized in that, The valve stem (3) is internally provided with a liquid inlet hole (31) and a second installation cavity (33), a one-way mechanism is installed in the second installation cavity (33), and the second channel (12), the liquid inlet hole (31) and the one-way mechanism form a one-way communication pressure relief waterway.
2. A pressure relief and water replenishment valve according to claim 1, wherein The one-way mechanism comprises a plug (4) and a spring (5), the lower part of the plug (4) abuts against the upper part of the spring (5), the plug (4) can move up and down to block the lower end of the liquid inlet hole (31) or be separated from the liquid inlet hole (31), and a gap exists between the plug (4) and the inner wall of the second installation cavity (33).
3. A pressure relief and water replenishment valve according to claim 2, wherein The one-way mechanism comprises an adjusting head (7), the adjusting head (7) is connected with the valve stem (3), the adjusting head (7) comprises a liquid outlet hole (71), the liquid outlet hole (71) is communicated with the second installation cavity (33), and the lower end of the spring (5) abuts against the upper end of the adjusting head (7).
4. A pressure relief and water replenishment valve according to claim 3, wherein The adjusting head (7) is connected with the second installation cavity (33) through threads, the adjusting head (7) can move up and down, the adjusting head (7) comprises a threaded part (72), the threaded part (72) is connected with the inner wall of the second installation cavity (33) through threads, and the adjusting head (7) is rotated to make the adjusting head (7) close to or away from the plug (4).
5. A pressure relief and water replenishment valve according to claim 4, wherein The plug (4) comprises a protrusion (41), the protrusion (41) is matched with the inner wall of the second installation cavity (33) through a gap, the lower part of the protrusion (41) is provided with a first limiting table (42), the upper end of the adjusting head (7) is provided with a second limiting table (73), the spring (5) is respectively sleeved outside the first limiting table (42) and the second limiting table (73), and the lower part of the adjusting head (7) is provided with a cutout (74).
6. A pressure relief water replenishment valve according to claim 1, wherein The one-way mechanism is a one-way valve.
7. The pressure relief water replenishment valve of claim 1, wherein The shell (1) comprises a sealing cavity (16), the first channel (11) is communicated with the sealing cavity (16), the second channel (12) is communicated with or blocked from the sealing cavity (16) through the valve stem (3), the valve stem (3) comprises a fourth boss (34), the fourth boss (34) is externally provided with a second annular groove (35), the second annular groove (35) is internally provided with a second sealing ring (8), the upper end of the fourth boss (34) can be inserted into the second channel (12), and the second sealing ring (8) can block the end of the second channel (12), so that the second channel (12) is blocked from the sealing cavity (16).
8. A pressure relief and water replenishment valve according to claim 7, wherein The shell (1) comprises an inner liner (2), the valve stem (3) penetrates through the inner liner (2), the valve stem (3) comprises a threaded segment (37) and a sealing segment (32) located above the threaded segment (37), the sealing segment (32) is externally sleeved with a third sealing ring (9), the sealing segment (32) is sealed from the inner wall of the inner liner (2) through the third sealing ring (9), and the inner part of the inner liner (2) is threadedly connected with the threaded segment (37).
9. A pressure relief and water replenishment valve according to claim 8, wherein The shell (1) comprises a first mounting cavity (15), the inner liner (2) is mounted in the first mounting cavity (15), the inner liner (2) comprises a limiting part (21), the limiting part (21) is non-circular, a third boss (22) is arranged at the upper part of the limiting part (21), a first sealing ring (23) is arranged on the outer side of the third boss (22), the first sealing ring (23) is in sealing cooperation with the inner wall of the first mounting cavity (15), the inner liner (2) is fixed with the shell (1) through a clamping wire (100), a first annular groove (24) is arranged on the outer side of the third boss (22), the first annular groove (24) is located below the first sealing ring (23), the shell (1) comprises a bushing (17), the clamping wire (100) penetrates through the bushing (17), and the part of the clamping wire (100) located in the first mounting cavity (15) is embedded in the first annular groove (24).
10. The pressure relief water replenishment valve of claim 1, wherein, The valve rod (3) is fixed with a knob (6) at the lower part, the valve rod (3) comprises a limiting section (38), the limiting section (38) is non-circular in cross section, the knob (6) comprises a limiting port (61), the limiting section (38) is inserted into the limiting port (61) and fixed, a plurality of notches (39) are arranged on the circumferential side of the limiting section (38), the inner wall of the limiting port (61) is provided with clamping blocks (62) corresponding to the notches (39), and the clamping blocks (62) are embedded in the notches (39); The shell (1) comprises a first boss (13) and a second boss (14), the first channel (11) is located in the first boss (13), and the second channel (12) is located in the second boss (14).