CN211525593U

CN211525593U - Constant-temperature water mixing valve protection device

Info

Publication number: CN211525593U
Application number: CN202020037173.1U
Authority: CN
Inventors: 卓威君; 吴庆欢
Original assignee: Zhejiang Yonghe Intelligent Control Technology Co ltd
Current assignee: Zhejiang Yonghe Intelligent Control Technology Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-09-18
Anticipated expiration: 2030-01-08

Abstract

The utility model provides a water valve protection device mixes with constant temperature belongs to valve technical field. It has solved the current poor problem of muddy water valve attemperator security. The protective device comprises a protective cap which is arranged outside a valve body and is of a cylindrical structure with an upper end closed and a lower end open, wherein a mounting hole is formed in the central position of the upper end face of a valve rod, a cylindrical core capable of rotating in the circumferential direction is arranged in the mounting hole, a limiting mechanism capable of limiting the core to move towards the direction of the orifice is further arranged on the inner side of the orifice of the mounting hole, the limiting mechanism comprises an annular groove formed in the orifice of the mounting hole and a clamp spring arranged in the annular groove, and a connector extending into the mounting hole and fixedly connected with the core is arranged in the. This thermostatic mixing water valve protection device has isolated outside and touches valve rod and attemperator's possibility, and the security obtains promoting.

Description

Constant-temperature water mixing valve protection device

Technical Field

The utility model belongs to the technical field of the valve, a protection device is related to, especially, relate to a water valve protection device mixes at constant temperature.

Background

With the improvement of life quality, heating and ventilation equipment such as floor heating and the like are gradually popularized in daily life. One of the important components of the heating and ventilation equipment is a mixing valve which must be installed when a floor heating pipeline is laid. Because the temperature in the room is adjusted by the mixing valve, the installation position of the mixing valve is not deviated generally, and the use is convenient. But the setting can make the water mixing valve just be relatively easy by the discovery of outsider or young child, carries out unusual operation to the water mixing valve, and the energy is wasted to light then, and serious accident can be aroused to the weight. How to protect the mixing valve is a big problem. The area of the main temperature control area of the water mixing valve is concentrated at the position of the valve rod, and other parts of the valve body are fixedly connected with the pipeline without danger. And the hand wheel or the temperature adjusting device sleeved on the valve rod is usually rotated when the hand wheel or the temperature adjusting device is accidentally started. The hand wheel that also has some muddy water valves on the market can the cladding play certain guard action to the valve body outside the valve rod, but rotates hand wheel itself and just can regulate and control the valve rod, also has some products to lock and prevent the hand wheel and rotate to the hand wheel, but when being rotated the hand wheel by external force by force, valve rod and hand wheel all probably damage. Therefore, the problem to be solved is that we are not reluctant to solve the problem.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a water valve protection device is mixed to constant temperature. The water mixing valve temperature adjusting device solves the technical problem that a water mixing valve temperature adjusting device is poor in safety.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a water valve protection device is mixed to constant temperature, and the water valve is mixed to constant temperature includes valve body, disk seat and valve rod, and this protection device is including locating the valve body outside the protective cap that is the airtight lower extreme open-ended tubular structure in upper end, its characterized in that, the mounting hole has been seted up to valve rod up end central point, is equipped with in the mounting hole to be cylindric and can circumferential direction's core, and the mounting hole drill way inboard still is equipped with the stop gear who can restrict the core and move towards the drill way direction, protective cap roof central point puts and is equipped with the connector that stretches into the mounting hole and.

Generally, a temperature adjusting device capable of actively adjusting the temperature from the outside is arranged on the water mixing valve, and the requirement of the adjusting degree of the temperature adjusting device on the accuracy is high, so that a hand wheel is required to be locked or taken down after the adjustment is finished. However, the operation of taking off the hand wheel or locking the hand wheel can adjust the temperature by directly rotating the valve rod, and the valve rod is directly exposed and is likely to be accidentally damaged to cause the water mixing valve to be scrapped. Therefore, the valve seat is externally provided with the protective cap which covers the whole valve seat and can rotate in the circumferential direction, the protective cap is used for directly covering the whole valve seat and the valve rod in the inner cavity of the protective cap, the possibility that the valve rod and the temperature adjusting device are touched by the outside is isolated, and the safety is improved.

The central position of the upper end surface of the valve rod is provided with a mounting hole, and a cylindrical core capable of rotating in the circumferential direction is arranged in the mounting hole. The top wall of the protective cap is provided with a connector which extends into the mounting hole and is fixedly connected with the core at the position opposite to the center. The effect of core can be so that the protective sheath is in the state of idle running, and when the protective sheath was rotated by the people, because connector on the protective sheath links firmly with the core, the core can circumferential direction, so the protective sheath can be fixed outside the valve rod through the core and rotate the protective sheath and remain throughout at idle running state, thereby set up like this and make to rotate the rotation that the protective sheath can not influence the valve rod yet and lead to temperature variation, and the security further improves. The inner side of the orifice of the mounting hole is also provided with a limiting mechanism capable of limiting the core to move towards the direction of the orifice, the core is limited to fall out of the mounting hole through the limiting mechanism, the protective cap can be fixed outside the valve rod, the rotation of the valve rod cannot be influenced by the movement of the protective cap, and the safety is further improved.

In the above-mentioned thermostatic water mixing valve protection device, the limiting mechanism includes an annular groove formed at the orifice of the mounting hole and a snap spring arranged in the annular groove.

The clamp spring and the ring groove are simple in structure, convenient and practical, and lower in assembly and production cost, the clamp spring can be clamped in the ring groove, and the clamp spring lower side surface and the core upper end surface form a support to abut against the limiting core to move towards the outside of the mounting hole and fall out of the mounting hole.

In the above-mentioned thermostatic water mixing valve protection device, the inner side wall of the mounting hole is further provided with an annular protrusion, and the upper end surface of the annular protrusion abuts against the outer side of the lower end surface of the core.

The inner side wall of the mounting hole is also provided with an annular bulge, the annular bulge has the effect of further limiting the core, and the core can slide up and down in the mounting hole along the axis direction of the mounting hole due to the fact that the depth of the mounting hole is larger than the length of the core, so that the overall structure is loose. And the setting of annular arch makes the core restricted to advance circumferential direction between annular arch and jump ring for the security of mixing the water valve further obtains promoting.

In foretell a thermostatic mixing valve protection device, the mounting groove has been seted up to the core up end, the connector is square structure, and the connector lower extreme is located the mounting groove and the both sides cell wall and the connector side of mounting groove form to lean on with the connector side to lean on.

The clamping connection between the mounting groove and the connector can enable the protective cap to drive the core to rotate together when rotating circumferentially. The protective cap can keep the idle state all the time without influencing the rotation of the valve rod.

In the above-mentioned constant temperature water mixing valve protection device, the mounting groove tank bottom still is equipped with the screw hole, terminal surface central point puts and is equipped with the aperture that runs through the protective cap up end under the connector, wears to be equipped with the screw in the aperture and screw hole threaded connection is crossed to the screw lower extreme.

Compared with the prior art, the product has the advantages that:

1. the protective sheath is direct with whole disk seat and valve rod cladding in its intracavity, isolated outside touches valve rod and attemperator's possibility, and the security obtains promoting.

2. The protective sheath passes through the core to be fixed on the valve rod and the protective sheath rotates and does not influence the state of valve rod completely, sets up like this and makes the security further improve.

Drawings

FIG. 1 is a partial front elevation view of the present invention;

fig. 2 is a half sectional view of the present invention;

fig. 3 is a bottom view of the protective cap of the present invention;

figure 4 is a detail view of the core of the present invention.

In the figure, 1, a valve body; 2. a valve seat; 3. a valve stem; 31. mounting holes; 32. a ring groove; 33. an annular projection; 4. a core; 41. mounting grooves; 42. a threaded hole; 5. a protective cap; 51. a connector; 52. a small hole; 6. a clamp spring; 7. and (4) screws.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the thermostatic water mixing valve protection device comprises a valve body 1 with a cold water end and a hot water end in the lateral direction, wherein the lower end of the valve body 1 is a water mixing outlet, and a valve core assembly capable of adjusting the temperature of water entering from the cold water end and the hot water end after mixing is arranged at the upper end of the valve body 1. The valve core assembly comprises a valve core, a valve rod 3, a temperature bulb, a valve seat 2, a temperature adjusting device and the like. Wherein the valve seat 2 is fixedly connected at the upper end of the valve body 1 and the valve rod 3 is connected with the inner thread of the valve seat 2. The upper end of the valve rod 3 is exposed outside the valve seat 2, and the outer side of the upper end of the valve rod 3 is provided with a temperature adjusting device capable of actively adjusting the temperature of the mixed water in the valve body 1.

As shown in fig. 1 to 4, a mounting hole 31 is formed in the center of the upper end surface of the valve rod 3, a cylindrical core 4 capable of rotating circumferentially is arranged in the mounting hole 31, a protective cap 5 capable of rotating circumferentially is arranged outside the valve seat 2 and covers the valve seat 2, the valve rod 3 and the temperature adjusting device, and the circumferential rotation of the protective cap 5 does not affect the state of the valve rod 3. The top wall of the protective cap 5 is provided with a connector 51 which extends into the mounting hole 31 and is fixedly connected with the core 4 at a position opposite to the center. The temperature adjusting device capable of actively adjusting the temperature from the outside is arranged on the water mixing valve, and the requirement of the adjusting degree of the temperature adjusting device on the precision is high, so that the hand wheel is usually required to be locked or taken down after the adjustment is finished. However, the operation of taking off the hand wheel or locking the hand wheel can be realized by directly rotating the valve rod 3 so as to adjust the temperature, and the valve rod 3 is directly exposed and is likely to be accidentally damaged to cause the water mixing valve to be scrapped. Therefore, the valve seat 2 is externally provided with the protective cap 5 which covers the valve seat 2 in a whole and can rotate in the circumferential direction, the protective cap is used for directly covering the valve seat 2 and the valve rod 3 in the inner cavity of the protective cap, the possibility that the valve rod 3 and the temperature adjusting device are touched by the outside is isolated, and the safety is improved. The central position of the top wall of the protective cap 5 is provided with a connector 51 which extends into the mounting hole 31 and is fixedly connected with the core 4. The effect of core 4 is the state that can make the protective sheath be in the idle running, and when the protective sheath was rotated by the people, because connector 51 on the protective sheath links firmly with core 4, core 4 can circumferential direction, so the protective sheath can be fixed outside valve rod 3 through core 4 and rotate the protective sheath and remain throughout at the idle running state, thereby set up like this and make to rotate the protective sheath and can not influence the rotation of valve rod 3 and lead to the temperature variation yet, and the security further improves. The concrete connection structure of core 4 and protective sheath is that mounting groove 41 has been seted up to the core 4 up end, and connector 51 is square structure, and connector 51 lower extreme is located mounting groove 41 and the both sides cell wall of mounting groove 41 and connector 51 side form to lean on. The clamping between the mounting groove 41 and the connecting head 51 can drive the core 4 to rotate together when the protective cap 5 rotates circumferentially, so that the protective cap 5 can keep an idle rotation state all the time without influencing the rotation of the valve rod 3.

The inner side of the orifice of the mounting hole 31 is also provided with a limiting mechanism which can limit the core 4 to move towards the direction of the orifice, and the core 4 is limited to fall out of the mounting hole 31 through the limiting mechanism, so that the protective cap 5 can be fixed outside the valve rod 3, the rotation of the valve rod 3 cannot be influenced by the movement of the protective cap 5, and the safety is further improved. The limiting mechanism comprises a ring groove 32 arranged at the orifice of the mounting hole 31 and a clamp spring 6 arranged in the ring groove 32. The clamp spring 6 and the annular groove 32 are simple in structure, convenient and practical and low in assembly and production cost, the clamp spring 6 can be clamped in the annular groove 32, and the lower side face of the clamp spring 6 and the upper end face of the core 4 are abutted to limit the core 4 to move outwards from the mounting hole 31 and fall out of the mounting hole 31. An annular bulge 33 is further arranged on the inner side wall of the mounting hole 31, and the upper end face of the annular bulge 33 abuts against the outer side of the lower end face of the core 4. The inner side wall of the mounting hole 31 is further provided with an annular protrusion 33, the annular protrusion 33 is used for limiting the core 4, and the core 4 can slide up and down in the mounting hole 31 along the axial direction of the mounting hole 31 due to the fact that the depth of the mounting hole 31 is larger than the length of the core 4, and the whole structure is loose. And the annular bulge 33 is arranged, so that the core 4 is limited between the annular bulge 33 and the clamp spring 6 and can only rotate in the circumferential direction, and the safety of the water mixing valve is further improved. The bottom of the mounting groove 41 is further provided with a threaded hole 42, the center of the lower end face of the connecting head 51 is provided with a small hole 52 penetrating through the upper end face of the protective cap 5, the screw 7 extends into the small hole 52, the lower end of the screw 7 is in threaded connection with the threaded hole 42 to connect the protective cap 5 and the core 4 into a whole, and thus when the protective cap 5 rotates, an idle state can be formed between the core 4 and the valve rod 3, so that the rotation of the protective cap 5 cannot influence the rotation of the valve rod 3. The upper end face of the protective cap 5 is also provided with an indication mark which can prompt a user that the rotation direction of the temperature adjusting device in the protective cap causes the change of the water temperature. The outer circumference of the protective cap 5 is also provided with a convex part which can be held by hands more comfortably and increase the friction force. The lower port of the protective cap 5 is also provided with a convex edge protruding outwards, so that the lower end of the protective cap 5 cannot be in direct contact with the valve body 1, the valve body 1 is prevented from being damaged due to circumferential rotation of the protective cap 5, and the overall appearance is more attractive and elegant.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a water valve protection device mixes with constant temperature, the water valve mixes with constant temperature includes valve body (1), disk seat (2) and valve rod (3), and this protection device is including locating valve body (1) outer protective cap (5) that are the airtight lower extreme open-ended tubular structure in upper end, its characterized in that, mounting hole (31) have been seted up to valve rod (3) up end central point and put, are equipped with in mounting hole (31) and are cylindric and can circumferential direction core (4), and mounting hole (31) drill way inboard still is equipped with the stop gear who can restrict core (4) towards drill way direction motion, protective cap (5) roof central point puts and is equipped with connector (51) that stretch into mounting hole (31) and core (4) and link firmly.

2. The thermostatic mixing valve protection device according to claim 1, wherein the limiting mechanism comprises a ring groove (32) formed in the opening of the mounting hole (31) and a clamp spring (6) arranged in the ring groove (32).

3. The thermostatic mixing valve protection device according to claim 2, characterized in that the inner side wall of the mounting hole (31) is further provided with an annular protrusion (33), and the upper end surface of the annular protrusion (33) is abutted against the outer side of the lower end surface of the core (4).

4. The constant-temperature water mixing valve protection device according to claim 1, 2 or 3, wherein the core (4) is provided with an installation groove (41) at the upper end surface, the connector (51) is of a square structure, the lower end of the connector (51) is positioned in the installation groove (41), and the groove walls at two sides of the installation groove (41) are abutted against the side surface of the connector (51).

5. The thermostatic mixing valve protection device according to claim 4, wherein a threaded hole (42) is further formed in the bottom of the mounting groove (41), a small hole (52) penetrating through the upper end surface of the protection cap (5) is formed in the center of the lower end surface of the connecting head (51), a screw (7) penetrates through the small hole (52), and the lower end of the screw (7) is in threaded connection with the threaded hole (42).