JPS62261786A - Thermostat mixing valve - Google Patents

Abstract

PURPOSE:To reduce the size of a valve, by a method wherein a temperature- sensitive part and a temperature set part, which are actuated through rotation of a handle, are located in a first liner, and a second liner, actuated through vertical movement of the handle, is inserted outwardly of the outer periphery of the first liner. CONSTITUTION:A temperature-sensitive part E and a temperature set part F, which move forward and backward a valve body 7 through rightward and leftward rotation of a handle B, are situated in a first liner D, both ends in an axial direction of which are open and which is formed in the shape of a cylinder. A second liner G, actuated through vertical movement of the handle B, is inserted outwardly of the first liner D. This constitution enables setting of temperature, the starting and the stop of discharge, and switching of a discharge port through the action of the single handle B, resulting in elimination of mounting of plural handles and in the possibility to reduce the size of a valve.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention is a thermostatic mixing valve that discharges mixed water at a predetermined temperature by operating a control valve using a temperature sensing part that is sensitive to the temperature of mixed water. The present invention relates to a thermostatic mixing valve having a function of selectively switching the discharge of mixed water from a discharge port.

(Prior Art) Conventionally, as this type of thermostatic mixing valve, the one shown in FIG. 8, disclosed in Japanese Utility Model Publication No. 56-37176, is known.

To explain what is shown in Fig. 8, the main body (A)
A water chamber (1), a hot water chamber (2), a mixing water chamber (10), a first discharge chamber (4), and a second discharge chamber (5) are installed in the water chamber (1) and hot water chamber (2). , communicates with the mixing water chamber (10) through a control valve (C) that automatically controls the temperature of the mixing water to a set temperature by operating the temperature sensor (F) that is sensitive to the temperature of the mixing water. The chamber (lO) is connected to the first discharge port (4) and the second discharge port (5) via on-off valves (1(), (I)), and either of the on-off valves (H) or (I) is connected. (by opening one or the other)
The mixed water is made to flow into the discharge chamber (4 or 5) whose valve is opened.

The six valves (CXHXI) are each operated by a dedicated handle (JXKXL).

Therefore, since the conventional thermostatic mixing pulp has a large number of handles, it is inevitably large in size.

(Problems to be Solved by the Invention) A problem to be solved by the present invention is to enable setting of the mixed water temperature and switching of the discharge side selection using one handle.

(Means for Solving the Problems) The technical means taken by the present invention to solve the above problems are a water chamber, a water chamber, a mixing valve chamber connected to each of these chambers, and a mixing valve chamber connected to each of the mixing valve chambers. A main body with a first discharge chamber and a second discharge chamber inside, a lever handle attached to the main body so as to be rotatable horizontally and vertically, and a water chamber provided in the mixing valve chamber where water flows from the water chamber to the mixing valve chamber. A control valve that controls the ratio of hot water flowing into the mixing valve chamber from the mixing valve chamber, is formed into a cylindrical shape with both ends open, is inserted and fixed into the main body, and communicates the inside with the mixing valve chamber. The first liner is separated from the second discharge chamber and has an m1 outlet in the first discharge chamber on the side periphery.
A temperature sensing part and a temperature setting part, which are disposed inside the liner and are linked to each other and also linked to the lever handle and the valve body of the control valve, move the valve body forward and backward by rotating the handle in the left and right direction, and a temperature setting part that slides on the first liner. It is movably inserted and connected to the lever handle, and is raised and lowered by vertical rotation of the lever handle, and in the raised position, the first outlet is opened to the first discharge chamber, and in the lowered position, it is formed on the inner peripheral surface. The first outlet is communicated with the second discharge chamber through the groove and the second outlet opened in the side circumferential surface, and further includes a second liner that closes the first outlet at an intermediate position. be.

(Function) According to the above means of the present invention, multiple temperatures are set by rotating the lever handle in the left-right direction, and starting and stopping of discharge and switching of the discharge side are performed by rotating the lever handle in the vertical direction. It will be done.

(Example) Hereinafter, one embodiment of the present invention will be described based on the drawings.

In the figure, (A) is the main body, which includes a first main body α□) which has a water chamber (1) and a hot water chamber (2), a mixing valve chamber (3), and a first discharge chamber (4).
), and a second main body (A2) having a second discharge chamber (5) therein.
It is made up of.

The first body (A□) is a hollow body that is long in the left and right direction when viewed from the front.
1).

The water chamber (1) and the hot water chamber (2) are defined on the left and right sides of the first body (A□) by the partition wall (12).

The above water chamber (1) and bath chamber (2) focus on the second body hair (11)
At the bottom, the water chamber (1) is placed above, and instantaneous contact is made in the vertical direction. An opening (13) is provided in the bulkhead (work 2) coaxially with the second leave opening (11).

On the other hand, the second main body (A2) is a hollow body with both ends opened in the axial direction, and the middle part in the axial direction is screwed to the second leave opening (11) of the first main body (Al), and the -half part is screwed to the second main body (Al). It is inserted into the first body (A□), and the other half protrudes slightly from the upper surface of the first body (A1).

The second body (A2) is formed so that the outer diameter of the portion to be inserted into the first body (A) is the same as the opening (13) of the partition wall (12). Extending into the bath room (2),
The 111it portion is closed by a blind lid (14). Further, the second main body (A2) has a part that protrudes from the first main body (AI) through a step (15) and a second main body (A2).
1) It is formed with a larger diameter and has a curl (16
) and a shower outlet (17) are each formed in a protruding shape. Further, a cap (19) is rotatably installed on the upper end of the second main body (A2) via a stepped ring (18) that is screwed onto the inner periphery of the opening.

The mixing valve chamber (3) is the first body (A□) of the second body (A2)
The water chamber (1) and the hot water chamber (2) are connected to the water chamber (1) and the hot water chamber (2) through a water passage hole (20) and a water passage hole (21) formed in the part inserted into the interior and opened on the side peripheral surface of the part. I'm in touch.

This mixing valve chamber (3) has a water chamber (1) and a water chamber (
2) is provided with a control valve <C> that controls the ratio of water and hot water flowing into the mixing valve chamber (3) via the water hole (20) and the command hole (21).

The first discharge chamber (4) is formed adjacent to and above the mixing valve chamber (3) via the first partition wall (22), and is formed above the mixing valve chamber (3).
is in contact with.

The first partition wall (22) is provided slightly below the step (15).

The second discharge chamber (5) is formed adjacent to and above the first discharge chamber (4) via the second partition (23), communicates with the shower outlet (17), and has a third Partition wall (2
4) is separated from the opening at the upper end of the second main body (A2).

Each partition wall (22), (23), and (24) has an opening (22').
)(23')(24') are installed coaxially.

The control valve (C) includes a water side valve seat (25) formed on the lower surface of the first partition wall (22), and a blind lid (1) opposite to the water side valve seat (25).
4) Hot water side valve seat (26) formed on the inner surface, and both valve seats (25) (
26) respectively, and the control valve body (7) has a water passage (2 and a water passage hole (21)).
The mixing valve chamber (3) is disposed so as to be movable forward and backward in sliding contact with an annular partition wall (27) formed protruding from the inner circumferential surface of the mixing valve chamber (3), and is connected to a temperature sensing part (E) to be described later, as well as a first spring (2).
8) K) is biased toward the water side valve seat (25).

In addition, the control valve body (7) is provided with a forced passage hole (21),
The hot water flowing into the mixing valve chamber (3) through the gap between the hot water side valve seat (2) and the control valve body (7) is transferred to the first liner (D) described later.
A through hole (30) is drilled to allow fluid to flow into a mixing chamber (29) formed inside.

The first liner (D) is formed in a cylindrical shape with both axial leaks open, and the first liner (D) is a first liner that partitions the mixing valve chamber (3) of the second main body (A2) and the first discharge chamber (4). A second discharge chamber is screwed onto a threaded portion (31) provided on the inner circumferential surface between the partition wall (22) and the stepped portion (15), and separates the first discharge chamber (4) and the second discharge chamber (5). The partition wall (23), the second discharge chamber (5), and the second main body (
A2) The second body (A2
) Projects upward from the opening at the top end.

This first liner (D) has a second partition wall (23), a third partition wall (23) and a third partition wall (23).
A cylindrical second liner (G) having the same outer diameter as the openings (23) (24) of the partition wall (24) and the same inner diameter as the outer diameter of the first liner (D) is slidable. The outer circumferential surface of the second liner (G) is inserted between the two sides, and the first liner (D) is provided with a partition (32) in the middle of the upper part of the liner (D). A mixing chamber (29) is formed at the lower side, and the temperature sensing part (E) is housed in this mixing chamber (29), and a pushbutton (29) is provided on the inner peripheral surface at the upper side of the partition (32).
33).

Furthermore, the first liner CD) has a first outlet (
6), and at the same time, a hole (34) for receiving the temperature sensing part is bored in the center of the partition (32).

The bush (33) has a bottomed cylindrical shape with a through hole (35) in the center of the bottom, and is screwed onto the first liner (D) with the opening facing upward. protrudes upward from the opening. A lever handle (B) is connected to the upper part of the bush (33) protruding from the first liner (D) via an operation cap (36).

Moreover, the bush (33) houses a temperature sensing part holder (37) inside, and the temperature sensing part holder (37) is held by the first spring (
28) A stronger second spring (38) presses it toward the bottom.

The second spring (38) is elastically loaded between a flange formed on the periphery of the temperature-sensing part holder (37) and a ring (three rings) that are attached to the inner peripheral surface near the opening of the bush (33). .

The temperature sensing part (E) includes a wax pellet as a temperature sensing body enclosed in a container body (41) having a protruding shaft (40) that can be freely retracted and retracted.
It has a conventionally well-known structure in which the protruding shaft (40) is made to protrude and extend from the vessel body (41) by thermal expansion of the wax pellet, and is placed in the mixing chamber (29) of the first liner (D) in the axial direction of the chamber. One end extends into the mixing valve chamber (3) and abuts and locks on the control valve body (7), and the other end fits into the temperature sensing portion of the partition (32). Hole (34)
is inserted, and the protruding shaft (40) is brought into contact with the temperature sensing part holder (37).

On the other hand, the second liner (G) has a pair of clamping pieces (42) that extend from the upper opening end surface and are relatively erect.
2), a pair of bearing holes (43) are coaxially and relatively opened, and the support shaft (44) of the lever handle (B) is inserted through the bearing holes (43).
) is supported on the shaft.

Also second. F inner (G) is an annular first concave @! along the inner peripheral surface slightly above the lower end! (45), a second groove (8) is similarly formed on the inner peripheral surface slightly above this 'Ml groove (45), and a second groove (8) is formed on the bottom surface of the second groove (8). Drill an outlet (9).

The second outlet (9) corresponds to the second discharge chamber (5).

In the lever handle (B), a retaining portion (48) having a cap retaining hole (47) and a support shaft (44) extends from the tip of the operating lever part (46), and the retaining hole (47) is provided by engaging the outer circumferential surface of the operating cap (36) and inserting the support shaft (44) into the bearing hole (43) of the second liner (G), and the operating lever part (46) engages with the outer peripheral surface of the operating cap (19). ) and extends to the outside of the main body (A).

The retaining hole (47) has a straight line portion C parallel to a part of the hole edge.
&), and a pair of support shafts (44) are provided at the side ends of the retaining portion (48).

Further, the operating lever portion (46) extends obliquely upward with respect to the retaining portion (48).

The operation cap (the third part is placed over the upper part of the bush (33), and the splines (49) formed on the outer peripheral surface of the pusher (33) and the inner peripheral surface of the operation cap (36) are engaged to prevent mutual rotation. ing.

Further, the outer peripheral surface of the operation cap (36) is formed into a planar hexagonal shape, and a pair of parallel straight line portions (b) facing each other are formed.
is the straight part of the retaining hole (47) of the lever handle CB) (
Corresponding to a), mutual rotation of the two is prevented. The pushbutton (33), the temperature sensing part presser (37), and the second spring (38) constitute a temperature setting part (F).

In other words, when the lever handle (B) is rotated left and right, the operating cap (36) rotates and engages with the operating cap (36) through the spline (49). The bushing (33) moves up and down to move the temperature-sensing part presser (37) housed inside the bushing (33) up and down.

When the temperature sensing part holder (37) moves upward, the control valve body (7) is moved to the hot water side valve seat (2) via the temperature sensing part (E).
6) is released, the control valve body (7) is pushed by the force of the first spring (28) until the temperature sensing part (E) comes into contact with the temperature sensing part holder (37) again. Water side valve seat (25
) Move to 11. Also, when the temperature sensing part holder (37) moves downward, the control valve body (7) is moved through the temperature sensing part (E).
The hot water is pushed out to the valve seat (26) @ and moves to the valve seat (26) ill.

That is, the temperature of the mixed water is set by rotating the lever handle (B) left and right.

In this state, if the temperature of the mixed water in the mixing chamber (29) fluctuates, the temperature sensing part (
E) is activated and automatically corrects the position of the control valve body (7) to maintain the temperature of the mixed water at the set temperature.

On the other hand, by moving the lever handle (B) in the vertical direction, the retaining portion (48
) moves up and down in the opposite direction to the operating lever part (46), causing the second liner (G) to move up and down.

That is, when the lever handle (B) is pushed down, the second liner (G) is pulled up. At this time, the second liner (G
) is located above the first outlet (6) of the first liner (D), so that the mixed water flows from the mixing chamber (29) through the first outlet (6) to the first discharge chamber. (4) and flows to Curran (16).

Moreover, if the lever handle (B) is pulled up, the second liner (G) is pushed down. At this time, the second liner C
The second groove (8) of G) corresponds to the first outlet (6), and the mixed water passes from the mixing chamber (29) through the first outlet (6) into the second groove (8). It flows into the second discharge chamber (5) via the second outlet (9), and flows to the shower outlet (17).

Furthermore, when the lever handle (B) is in the vertically intermediate position, the second liner (G) is also in the vertically intermediate position, and in this state, the first recess d (45) is connected to the first outlet (6). Compatible.

Since the first concave groove (45) is in the form of a closed chamber, in this state the mixed water will flow into either the first or second discharge chamber (4) (5
), and the water stops flowing.

That is, this thermostatic mixing valve can start, stop, and selectively switch the discharge side by rotating the lever handle (B) up and down.

In addition, (50) and (51) in the figure are the water chambers (of the first body (Al)).
1) to the water supply piping, and the water and hot water layer connection leg pipes that connect the hot water chamber (2) to the hot water supply piping, and (52) the cap (1).
This is a stopper ring that restricts the rotation range of 9), in other words, the left and right rotation range of the lever handle (B).

(effect) Since the present invention has the above configuration, it has the following advantages.

(1) Since a single lever handle can be used to set the temperature, start and stop the discharge, and switch the outlet for discharge, there is no need to provide multiple handles and the product can be made smaller.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional front view of thermostatic mixing pulp showing an embodiment of the present invention in a water-stopped state, Fig. 2 is a cross-sectional view taken along line H-II in Fig. 1, and Fig. 3 is a cross-sectional view taken along ■-■ in Fig. 1. Figure, 4th
The figure is an exploded perspective view of the main parts, Figure 5 is a longitudinal sectional front view of hot water and water being mixed and the mixed water is discharged from the collar, Figure 6 is a cross-sectional view taken along the line M-vt of Figure 5, and Figure 7 is a cross-sectional view of the main parts. This figure is a cross-sectional view showing a state in which pulp is discharged from a shower outlet, which is shown in cross-section at the same section as in FIG. 6, and FIG. 8 is a cross-sectional view showing an example of conventional thermostatic mixing pulp. (A) Two bodies (B) Nilever handle (C)
2nd control valve (D): 1st liner (E): Temperature sensing section (F): Temperature setting section (G): 2nd liner (
1): Water chamber (2): Hot water chamber (3): Mixing valve chamber (4): First discharge chamber (5): Second discharge chamber (6): First outlet (7) Two valve bodies (8) ): Concave #1# (2nd)
(9): Second outlet.

Claims (1)

[Claims] The main body is equipped with a water chamber, a hot water chamber, a mixing valve chamber that communicates with these two chambers, and a first discharge chamber and a second discharge chamber that communicate with the mixing valve chamber, and is attached to the main body so as to be rotatable in the horizontal and vertical directions. A lever handle provided in the mixing valve chamber, a control valve provided in the mixing valve chamber to control the ratio of water flowing into the mixing valve chamber from the water chamber and hot water flowing from the hot water chamber into the mixing valve chamber, and a cylindrical shape with both ends open. It is inserted and fixed into the main body, and while the inside communicates with the mixing valve chamber, it isolates the mixing valve chamber from the first and second discharge chambers, and a first outlet opening into the first discharge chamber is provided on the side periphery. a first liner arranged in the first liner and linked to each other and also linked to the lever handle and the valve body of the control valve, and a temperature sensing part that moves the valve body forward and backward by the left and right rotation of the lever handle; The setting part is slidably inserted into the first liner and linked to the lever handle, and is raised and lowered by vertical rotation of the lever handle, and in the raised position, the first outflow port is connected to the first liner.
The first outlet is opened to the discharge chamber, and in the lowered position, the first outlet is communicated with the second outlet through a groove formed in the inner peripheral surface and the second outlet opened in the side circumferential surface, and further in the intermediate position. A thermostatic mixing valve characterized by comprising a second liner that closes the first outlet.