Time-delay valve element facilitating temperature adjustment

Abstract

The utility model relates to the technical field of valve cores, in particular to a time-delay valve core convenient to adjust temperature, which comprises a valve core shell and a mounting block sleeved on the outer surface of the valve core shell, a water outlet is arranged on the outer surface of the valve core shell, a limit block is clamped at the upper end in the valve core shell, and a sealing guide block is clamped at the lower end of the limit block. A base is clamped to the lower end of the valve element shell and comprises a cold water opening and a hot water opening which are symmetrically arranged, the cold water opening is communicated with a cold water pipe, the hot water opening is communicated with a hot water pipe, and a pressing assembly is installed at the upper end of the limiting block. According to the delay valve element, the opening areas of the cold water port and the hot water port are controlled through the flow dividing block, so that the flow of cold water or hot water is controlled, the temperature control effect is achieved, the structure is simple, the maintenance cost is low, a user can achieve the appropriate water temperature only through simple and convenient adjustment, water resources are effectively saved, and the set water temperature can be accurately maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of valve core, specifically, relate to a delay valve core convenient for adjusting temperature. BACKGROUND

[0002] With the enhancement of water saving consciousness and the improvement of user's convenience demand for bathroom equipment, the delay valve core as a kind of functional component that can realize automatic closing water flow is widely applied in public places hand-washing table, shower equipment and water-saving appliance. The existing delay valve core mainly realizes delay closing through mechanical spring, hydraulic damping or electronic control, but its function is limited to single time control, and water temperature adjustment function cannot be considered.

[0003] The delay valve core on the market has the following technical problems:

[0004] The traditional delay valve core only focuses on the control of water flow time, and temperature adjustment needs to rely on external mixing valve or independent temperature control device, resulting in dispersed structure and complicated operation steps, and users need to adjust repeatedly to reach suitable water temperature, especially in public places, which is easy to cause water resource waste, and the response speed is slow and is greatly affected by environmental temperature fluctuation, so it is difficult to accurately maintain the set water temperature, resulting in water temperature in the use process being cold and hot alternately, and the sealing failure, delay inaccuracy or temperature control failure caused by scale accumulation or part wear after long-term use, and high maintenance cost.

[0005] Therefore, it is necessary to provide a delay valve core convenient for adjusting temperature to solve the above technical problems. SUMMARY

[0006] The technical problem to be solved by the utility model lies in that the existing delay valve core cannot accurately maintain the set water temperature, resulting in water temperature being cold and hot alternately in the use process, and high maintenance cost.

[0007] To achieve the above purpose, the technical scheme of the utility model is as follows: a valve core shell and a mounting block sleeved on the outer surface of the valve core shell, the outer surface of the valve core shell is provided with a water outlet, the inner upper end of the valve core shell is clamped with a limiting block, the lower end of the limiting block is clamped with a sealing guide block, the lower end of the sealing guide block is clamped with a lower cylinder, the lower end of the lower cylinder is connected with a shunt block, the lower end of the valve core shell is clamped with a base, the base includes symmetrical cold water inlet and hot water inlet, the cold water inlet is communicated with a cold water pipe, the hot water inlet is communicated with a hot water pipe, the upper end of the limiting block is installed with a pressing assembly;

[0008] One end of the pressing assembly is connected to one end of a moving rod, the other end of the moving rod passes through the sealing guide block and is connected with a piston.

[0009] As a preferred technical scheme of the utility model, the pressing assembly comprises a movable block, a pressing block and a jackscrew, the inner side of the limiting block is provided with a vertical slide, the movable block is connected to the inner side of the limiting block through the vertical slide, the upper end of the movable block is fixedly connected with the pressing block in a threaded mode, a spring one is arranged between the inner surface of the pressing block and the upper surface of the mounting block, the inside of the movable block is provided with a threaded hole, the inside of the movable block is threadedly connected with the jackscrew through the threaded hole, the inside of the movable block is further provided with a through hole, the through hole is arranged at the lower end of the threaded hole, and the upper end of the moving rod moves in the through hole.

[0010] As a preferred technical scheme of the utility model, the outer surface of the lower cylinder is provided with two groups of symmetrical water flow filter screens.

[0011] As a preferred technical scheme of the utility model, the lower end of the sealing guide block is provided with an opening, and the middle part of the sealing guide block is provided with a water flow channel.

[0012] As a preferred technical scheme of the utility model, the lower end of the piston is provided with a spring two between the lower surface of the lower cylinder.

[0013] As a preferred technical scheme of the utility model, the lower end of the lower cylinder is provided with a limiting groove, one end of the limiting groove is provided with a protruding block one, the protruding block one is in the shape of a quarter of a circular arc, and the other end of the limiting groove is provided with a concave V-shaped opening one.

[0014] As a preferred technical scheme of the utility model, the upper end of the shunt block is clamped in the limiting groove, and the lower end of the shunt block is provided with a V-shaped opening two.

[0015] As a preferred technical scheme of the utility model, one end of the base is provided with a protruding block two, the protruding block two is used for limiting the protruding block one, and the cold water outlet and the hot water outlet are symmetrically arranged about the protruding block two.

[0016] Compared with the related art, the utility model provides a kind of delay valve core convenient to adjust temperature with following beneficial effects:

[0017] The technical scheme has the advantages that when the technical scheme is used, the height position of the top pin is first adjusted, the water outlet delay time is controlled, when the top pin moves upward, the water outlet delay time is reduced, and vice versa, when the top pin is adjusted downward, the water outlet delay time is increased, the pressing block is pressed, the pressing block moves downward, when the top pin pushes against the moving rod to drive the piston to move downward, the piston is separated from the sealing guide block, and previously stored water is stored between the lower cylinder and the valve core shell through the cold water pipe and the hot water pipe, when the piston moves downward, water flows into the sealing guide block and flows into the upper half of the valve core shell through the water flow channel, and then flows out through the water outlet, when it is needed to adjust the temperature, the pressing block of the pressing assembly is rotated to drive the shunt block to rotate, the opening area of the cold water outlet and the hot water outlet is controlled through the shunt block, the flow of cold water or hot water is controlled, and the effect of temperature control is achieved, at the moment when the pressing block is loosened, the pressing block is reset through the spring one, the pressure of the top pin on the upper end of the moving rod disappears, the moving rod and the piston are in a weightless state, the piston is reset under the action of the spring two, the upper end of the piston abuts against the sealing guide block again, the pressure difference between the inside and the outside of the lower cylinder reaches balance, and the valve core is in a closed state.

[0018] The delay valve core controls the opening area of the cold water outlet and the hot water outlet through the shunt block, thereby controlling the flow of cold water or hot water, and the effect of temperature control is achieved, the structure is simple, the operation steps are fast, the maintenance cost is low, the user only needs to simply adjust to achieve the appropriate water temperature, water resources are effectively saved, the set water temperature can be accurately maintained, and the water temperature is stable during use. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0020] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0021] Fig. 2 It is the internal structure schematic diagram of the utility model;

[0022] Fig. 3 It is the explosion structure schematic diagram of the lower cylinder and base of the utility model.

[0023] Marked number in drawing: 1, valve core shell;2, mounting block;3, water outlet;4, limit block;5, sealing guide block;51, water flow channel;6, lower cylinder;61, limit groove;62, protruding block one;63, V-shaped opening one;64, water flow filter screen;7, shunt block;71, V-shaped opening two;8, base;81, cold water outlet;82, hot water outlet;83, protruding block two;9, pressing assembly;91, movable block;92, pressing block;93, top pin;94, spring one;10, moving rod;11, piston;12, spring two. PREFERRED EMBODIMENT

[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0025] Example

[0026] like Figs. 1-3 As shown, this utility model discloses a time-delay valve core for easy temperature adjustment, comprising a valve core housing 1 and a mounting block 2 sleeved on the outer surface of the valve core housing 1. The outer surface of the valve core housing 1 has a water outlet 3 for water discharge. A limiting block 4 is engaged with the upper end of the inner part of the valve core housing 1, and a sealing guide block 5 is engaged with the lower end of the limiting block 4. The lower end of the sealing guide block 5 has an opening, and a water flow channel 51 is provided in the middle of the sealing guide block 5. A lower cylinder 6 is engaged with the lower end of the sealing guide block 5. Two symmetrical sets of water flow filters 64 are provided on the outer surface of the lower cylinder 6. Water enters the water flow channel 51 through the water flow filters 64 and finally flows out through the water outlet 3. A diverter block 7 is connected to the lower end of the lower cylinder 6. The lower end of the valve core housing 1 is snapped with a base 8. The base 8 includes a symmetrically arranged cold water port 81 and a hot water port 82. The cold water port 81 is connected to the cold water pipe, and the hot water port 82 is connected to the hot water pipe. By rotating the diverter block 7, the opening area of ​​the cold water port 81 and the hot water port 82 can be controlled, thereby controlling the flow rate of cold water or hot water to achieve the effect of temperature control. The upper end of the limit block 4 is equipped with a pressing component 9. One end of the pressing component 9 is connected to one end of the moving rod 10. The other end of the moving rod 10 passes through the sealing guide block 5 and is connected to the piston 11. A spring 12 is provided between the lower end of the piston 11 and the lower surface of the lower cylinder 6. The spring 12 is used to reset the piston 11.

[0027] The pressing assembly 9 includes a movable block 91, a pressing block 92, and a set screw 93. A vertical slide is provided on the inner side of the limiting block 4. The movable block 91 is connected to the inner side of the limiting block 4 through the vertical slide. The movable block 91 is movably connected to the inner side of the limiting block 4 and can move up and down within the inner side of the limiting block 4 within a certain range. The upper end of the movable block 91 is threadedly fixed to the pressing block 92. A spring 94 is provided between the inner surface of the pressing block 92 and the upper surface of the mounting block 2. The spring 94 is used to reset the pressing block 92. A threaded hole is provided inside the movable block 91. The set screw 93 is threadedly connected to the inside of the movable block 91 through the threaded hole. A through hole is also provided inside the movable block 91. The through hole is located at the lower end of the threaded hole. The upper end of the moving rod 10 moves inside the through hole. By adjusting the height position of the set screw 93 inside the movable block 91, the stroke of the moving rod 10 can be increased or decreased, thereby achieving a delay effect.

[0028] The lower end of the lower cylinder 6 is provided with a limiting groove 61, one end of the limiting groove 61 is provided with a protrusion one 62, the protrusion one 62 is in the shape of a quarter of a circular arc, the other end of the limiting groove 61 is provided with an inner recessed V-shaped opening one 63, the upper end of the shunt block 7 is clamped in the limiting groove 61, the lower end of the shunt block 7 is provided with a V-shaped opening two 71, one end of the base 8 is provided with a protrusion two 83, the protrusion two 83 is used to limit the protrusion one 62, the cold water outlet 81 and the hot water outlet 82 are symmetrically arranged about the protrusion two 83, by rotating the pressing block 92 of the pressing assembly 9, since the pressing block 92 is threadedly connected with the movable block 91, the movable block 91 is driven to rotate, and since the movable block 91 is connected to the inner side of the limiting block 4 through the vertical slide, the limiting block 4 can be driven to rotate when the movable block 91 is transversely rotated, and since the limiting block 4 is clamped with the valve core shell 1, the valve core shell 1 can be driven to rotate, thereby driving the shunt block 7 to rotate, the opening area of the cold water outlet 81 and the hot water outlet 82 is controlled through the shunt block 7, thereby controlling the flow of cold water or hot water, so as to achieve the effect of temperature control.

[0029] When the technical solution is used, first, the height position of the top wire 93 is adjusted, the water outlet delay time is controlled, that is, when the top wire 93 moves upward, the upper limit value of the movement of the movable rod 10 is increased, so that when the pressing block 92 is pressed, the movable rod 10 only moves downward by a small distance, the distance of the piston 11 reset is reduced, so the reset time is also reduced, the water outlet delay time is reduced, and vice versa, when the top wire 93 is adjusted downward, the water outlet delay time is increased, the pressing block 92 is pressed, the pressing block 92 moves downward, the top wire 93 pushes the movable rod 10 to drive the piston 11 to move downward, the piston 11 is separated from the sealing guide block 5, and the water is stored between the lower cylinder 6 and the valve core shell 1 through the cold water pipe and the hot water pipe, when the piston 11 moves downward, the water flows into the sealing guide block 5 and flows into the upper half of the valve core shell 1 through the water flow channel 51, and then flows out through the water outlet 3, when the temperature needs to be adjusted, the pressing block 92 of the pressing assembly 9 is rotated, thereby driving the shunt block 7 to rotate, the opening area of the cold water outlet 81 and the hot water outlet 82 is controlled through the shunt block 7, thereby controlling the flow of cold water or hot water, so as to achieve the effect of temperature control, at the moment when the pressing block 92 is loosened, the pressing block 92 is reset through the spring one 94, the pressure of the top wire 93 on the upper end of the movable rod 10 disappears, the movable rod 5 and the piston 11 are in a weightless state, the piston 11 is reset under the action of the spring two 12, so that the upper end of the piston 11 abuts against the sealing guide block 5 again, at this time, the pressure difference between the inside and outside of the lower cylinder 6 reaches balance, and the valve core is in a closed state.

[0030] The delay valve core controls the opening area of the cold water outlet 81 and the hot water outlet 82 through the shunt block 7, thereby controlling the flow of cold water or hot water, so as to achieve the effect of temperature control, the structure is simple, the operation steps are fast, the maintenance cost is low, the user only needs to simply adjust to achieve the appropriate water temperature, effectively saves water resources, can accurately maintain the set water temperature, and the water temperature is stable during use.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A temperature-adjustable delay spool, characterized by: The utility model provides a valve core shell (1) and the mounting block (2) of sleeve joint in valve core shell (1) surface, the outer surface of valve core shell (1) is equipped with water outlet (3), the upper end of inside of valve core shell (1) is clamped and is limited block (4), the lower end of limited block (4) is clamped and is equipped with sealing guide block (5), the lower end of sealing guide block (5) is clamped and is equipped with lower cylinder (6), the lower end of lower cylinder (6) is connected with the shunt block (7), the lower end of valve core shell (1) is clamped and is equipped with base (8), base (8) includes the cold water mouth (81) and hot water mouth (82) of symmetrical arrangement, cold water mouth (81) is connected with cold water pipe, hot water mouth (82) is connected with hot water pipe, the upper end of limited block (4) is equipped with press assembly (9), One end of press assembly (9) is connected to one end of moving rod (10), the other end of moving rod (10) passes through sealing guide block (5) and is connected with piston (11).

2. A temperature-adjustable delay spool according to claim 1, wherein Press assembly (9) includes movable block (91), press block (92) and jackscrew (93), the inside of limited block (4) is equipped with vertical slide, movable block (91) is connected to the inside of limited block (4) through vertical slide, the upper end of movable block (91) is fixedly connected with press block (92) by screw thread, spring one (94) is arranged between the inner surface of press block (92) and the upper surface of mounting block (2), the inside of movable block (91) is provided with threaded hole, jackscrew (93) is connected to the inside of movable block (91) through threaded hole, the inside of movable block (91) is further provided with through hole, the through hole is arranged at the lower end of threaded hole, the upper end of moving rod (10) moves inside the through hole.

3. A temperature-adjustable delay spool according to claim 1 wherein, The outer surface of lower cylinder (6) is provided with two groups of symmetrical water flow filter screen (64).

4. The temperature-adjustable delay spool of claim 1 wherein, The lower end of sealing guide block (5) is provided with an opening, and the middle part of sealing guide block (5) is provided with a water flow channel (51).

5. A temperature-adjustable delay spool as defined in claim 1 wherein, The lower end of piston (11) and the lower surface of lower cylinder (6) are provided with spring two (12).

6. A temperature-adjustable delay spool as defined in claim 1 wherein, The lower end of lower cylinder (6) is provided with a limiting groove (61), one end of the limiting groove (61) is provided with a protrusion one (62), the protrusion one (62) is in the shape of a quarter of a circle, the other end of the limiting groove (61) is provided with an inner recessed V-shaped opening one (63).

7. A temperature-adjustable delay spool as defined in claim 6 wherein, The upper end of the shunt block (7) is clamped in the limiting groove (61), and the lower end of the shunt block (7) is provided with a V-shaped opening two (71).

8. A temperature-adjustable delay spool as defined in claim 6 wherein, One end of the base (8) is provided with a protrusion two (83), the protrusion two (83) is used for limiting the protrusion one (62), the cold water mouth (81) and the hot water mouth (82) are symmetrically arranged about the protrusion two (83).

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