TR201503610A2 - Safety-enhanced check valve mechanism used in a water dispenser and a cooling device. - Google Patents

Abstract

The present invention relates to a check valve mechanism (1) used in a cooling device, particularly a water dispenser (2) in a household refrigerator. In the check valve mechanism (1) of the present invention, a front end (9) of the shaft (7) has a first groove (13) and a second groove (15) that support a flexible sealing element (12) and a ring (14), respectively.

Description

DESCRIPTION IMPROVED SECURITY USED IN A WATER SPIN CHECK VALVE MECHANISM AND THE COOLING DEVICE USED This invention is a cooling device, especially a water heater in a domestic refrigerator. It's about pinari. This invention also includes a check valve mechanism located in the water spring. It is related to.

EV type refrigerators have various functions that improve user satisfaction. For example, in domestic refrigerators, the device that allows the user to get cold drinking water There is a built-in water fountain. Such water fountains are usually It is embedded in a recess on the front of the door. In this way, the user can take cold drinking water without opening the refrigerator door. Such water springs, that can be detachably attached to the inner surface of the refrigerator door. It has a refillable water tank. The water tank consists of a check valve mechanism and a check valve. It has a lever that operates the mechanism. A drain of the valve mechanism the opening and the lever are located in a recess that opens into the front surface of the refrigerator door. takes. The user simply activates the lever and pours it into a glass. It can fill cold drinking water. In case of complete consumption of water, The user needs to refill the water tank. Rebuild the water tank To fill, the user unscrews the water tank with the valve mechanism, filling the tank with drinking water from a water source such as a tap, and then the water It mounts the tank to its place on the inner surface of the refrigerator door. A refrigerator containing pinari is described.

A problem that is frequently encountered in water springs is that water springs become water after a while. it starts leaking. For this reason, it is necessary for the water tank to be completely sealed. required. Usually, the infiltration can damage the user's belongings.

In the above-mentioned check valve mechanism, it is usually located on a moving shaft. a gasket, an inlet to provide a leak-proof structure by means of a spiral spring clings to its openness. The spring is enough to ensure the tightness of the mechanism. It has to be tense. However, under excessive load, the gasket is subject to wear. stays on and may even fall out. Especially the user's water tank check valve mechanism when disassembled for filling and cleaning subjected to excessive mechanical stress. In this case, the moving parts risk of dislocation and water spilling into the refrigerator compartment and/or the kitchen are available.

The aim of this invention is to provide assembly, which overcomes the disadvantages of the prior art. is the realization of an easy and safety-improved check valve mechanism.

For this purpose, the check valve mechanism defined in claim 1, It can be reached with a water fountain and the cooling device defined in Claim 13. Forward improvements, with the aid of the subject of the invention, which is defined respectively in the appended claims. is reached.

In the inventive check valve mechanism, a front end of the shaft is replaced by a flexible a first groove and a second groove supporting a seal and a circlip has a groove. Sealing when the shaft is pushed back by a spring element closes the inlet opening in a leak-proof manner, It is permanently based on the sealing element on one side immediately at its exit and of the shaft in the position where the seal tightly closes the inlet opening. prevents it from moving backwards.

In one embodiment of the invention, the shaft is the radial and radial shaft separating the first and second grooves. includes a protrusion extending in the direction. protrusion, seal and ring prevents its movement in the axial direction. In this way, the sealing element and The ring is held securely in its predetermined positions.

In another embodiment of the invention, the size of the ring is the entirety of the sealing element. It is large enough to rest on its back surface. In this way, the shaft is fully retracted. in which case, the sealing element is securely pressed into the entire inlet. and the sealing performance is improved.

Thanks to this invention, the safety and tightness of the check valve mechanism performance is improved. It appears during the dismantling of the water fountain. excessive forces, through the sealing element and the circlip is resolved. The circlip, the moving parts of the check valve mechanism, particularly the stem and sealing member coming off a valve body. hinders. In this way, the user can use water for cleaning or filling. can safely remove the tank. Thus, the check valve The security of the mechanism is improved. The circlip also has the spring action due to the backward movement of the sealing element when it is pressed firmly against the inlet. prevents it from doing so. Thus, the sealing performance is improved.

The parts of the check valve mechanism, which is the subject of the invention, are produced by a non-technical person. It can be disassembled and reassembled for cleaning purposes even by the user.

The other subject of the invention is the check valve mechanism and the subject of the invention is the water fountain. the advantages of an application are explained with reference to the attached figures. will be explained; from the aforementioned Figure 1, in one embodiment of the invention, is a chiller having a water fountain. is a schematic perspective view of the device from the front.

Figure 2 is a rear schematic perspective view of the door shown in Figure 1.

Figure 3 shows the enlarged schematic perspective of the water spring in an embodiment of the invention. is the view.

Figure 4 is a check valve mechanism located in the water spring shown in Figure 3. side magnified sematic view.

Figure 5, Figure 47 shows the check valve mechanism located in the water spring. exploded sematic view.

Figure 6, schematic section A-A of the check valve mechanism shown in Figure 4 is the view.

Figure 7 is the door of the cooling device where the water fountain shown in Figure 1 is located. It is a sematic view from the front.

Figure 8, Figure 7, B-B of the door of the cooling device where the water fountain is located. Figure 9 is an enlarged schematic view of detail C in Figure 8.

The parts in the figures are numbered one by one and the corresponding numbers are given below: check valve mechanism water fountain first opening second opening First seating surface Second seating surface First sealing element first groove segment second groove first pillar second pillar internal thread gear part 22. Exit 23. Water tank 24. Second seal . Guide 26. Third sealing element 27. Assembly part 28. Door 29. Cover . Recess 31. Lever The check valve assembly (1) is suitable for use in a water dispenser (2) (Figure 3).

The water supply (2) is a water tank (23) including an outlet (22); a cooling device (in the figures (not shown) removable onto the inner surface of the door (28). a mounting part (27) that provides (29) includes. The water spring (2) also includes a check valve mechanism (1). The check valve mechanism (1) is detachably attached to the outlet (22) (Figure 3; Figure 7 to Figure 9). The check valve mechanism (1) has a first opening (4), a second opening (5) and a first opening. having a passage (6) located between the opening (4) and the second opening (5) a front end (9) loaded by a body (3) and a spring (8) (4) a first seating surface (10) on the body (3) to protrude and the spring (8) and the second opening (5) until it is jammed between a second seat surface (l 1) on the top through a shaft (7) inserted into the passage (6) (Figs. 4 to Fig. 6).

The check valve mechanism (1), which is the subject of the invention, is located around the front end (9) of the shaft (7). a flexible first seal removably engaged in a first groove (13) includes element (12). When the shaft (7) is pushed back by the spring (8), the first The sealing element (12) closes the first opening (4) in a leakproof manner.

The inventive check valve mechanism (l) is also located around the front end (9) of the shaft (7). a segment (14) removably engaged in a second groove (15) contains. The second groove (15) is placed at the end of the front end (9) more than the first groove (13). is close. The circlip (14) is the first on one side just at the exit of the first opening (4). It is constantly based on the sealing element (12). First sealing In the case where the element (12) closes the first opening (4) tightly, the circlip (14) It prevents the backward movement of the shaft (7) (Fig. 4 to Fig. 6).

In one embodiment of the invention, the first sealing element (`12) and the ring (14) a protrusion (16) that limits its movement in the axial direction and extends in the radial direction, it separates the first groove (13) and the second groove (15) from each other (Figure 5 and Figure 6).

In this way, the first sealing element (12) and the ring (14) movement is prevented and a durable structure is obtained.

In another embodiment of the invention, the first sealing member 12 is an o-ring.

In this application, the outer radius of the ring 14 is equal to and greater than the outer diameter of the o-ring. (Figures 5 and 6). Thus, the ring (14), the first sealing element (12) effectively abuts its rear surface and (12) sealing performance is improved.

In another embodiment of the invention, the first groove (13) and the second groove (15) are rectangular. It has second sections (Figure 5 and Figure 6).

In another embodiment of the invention, the shaft (7) has the first opening (4) and the second opening (5) It has a channel (17) that connects it in such a way that there is liquid communication between them. (Figure 5 and Figure 6). When the first opening (4) is in the open position, cold drinking water with the effect of gravity, through the channel (17) and the second opening (5) to the outside. is flowing.

In another embodiment of the invention, the shaft (7) is directed into the passage (6) of the shaft (7). on the main body (3) to prevent it from moving forward in the axial direction. a first abutment (18) abutting a second abutment (19) (Figure 5 and Figure 6). In this way, the spring (8) recalling force is predetermined. limited to a value and the first sealing element (12) against the excessive mechanical stress it will be subjected to when pushed back into position. is protected.

In another embodiment of the invention, the main body (3) is located around the first opening (4). The area has an internal threaded portion (20). In this embodiment, the inner threaded part (20), the water spring (2) a female threaded section (21) around the outlet (22) of the water tank (23) It is screwed in (Fig. 6, Fig. 8 and Fig. 9).

In another embodiment of the invention, the check valve mechanism (l), internal thread (20) and There is a second element that seals the surface between the threaded part (21). includes the sealing element (24) (Fig. 5 and Fig. 6).

In another embodiment of the invention, the spring (8) is attached to the shaft (7) and the second it is a compression spring (8), which rests on the seating surface (11). In this application, the second sitting its surface (l 1) is located radially around the shaft (7) (Fig. 5 and Fig. 6).

In another embodiment of the invention, the check valve mechanism (1) is (6) a circular guide (25) that is leak-proof and removable contains. In this embodiment, the shaft (7) is inserted into the circular guide (25). is placed.

In another embodiment of the invention, the check valve mechanism (l), circular guide (25) and a third element that seals the surface between the main body (3). includes the sealing element (26) (Fig. 5 and Fig. 6). In this application, the third sealing member (26) is located above the circular guide (25). placed in the third groove.

In addition to this invention, a cooling device (not shown in the figures) is carried out. refrigeration appliance, a refrigeration appliance compartment, refrigerant a door (28) that enables the appliance compartment to be opened and closed, a water fountain (2) and in the check valve mechanism (l) to provide cold drinking water. includes a lever (31) that transmits the shaft. The water spring (2) is attached to the inner surface of the door (28). It is mounted detachably. The second of the check valve mechanism (1) its opening (5) opens into a recess (30) located on the front surface of the door (28). (Figure 1 to Figure 9).

In another embodiment of the invention, the cooling device is a household refrigerator. Thanks to this invention, the safety and tightness of the check valve mechanism (l) performance is improved. In this way, the user, cleaning or filling For this purpose, the water tank (23) can be safely removed from its place.

Claims (12)

REQUESTS 1. A body (3) used in a water spring (2) and having a first opening (4), a second opening (5) and a passage (6) located between the first opening (4) and the second opening (5) and loaded by a spring (8) with a front end (9) coming out of the first 5 openings (4) and the spring (8) being compressed between a first seating surface (10) on the body (3) and a second seating surface (11) above it. a shaft (7) inserted through the second opening (5) into the passage (6), - mi] (7) removably engaged in a first groove (13) located around its front end (9) and the shaft (7) spring (8 ), a flexible first sealing member (12) that seals the first opening (4) 10 when pushed back by the abutting permanently to the first sealing member (12) on one side immediately at the exit of the first opening (4), and a check valve mechanism (1) characterized by a ring (14) that prevents the backward movement of the shaft (7) in the position where the sealing element (12) tightly closes the first inlet (4). 2. As in claim 1, characterized by 20 first grooves (13) and second grooves (15) that are separated from each other by a protrusion (16) extending in the radial direction, limiting the movement of the first sealing element (12) and the circlip (14) in the axial direction. a check valve mechanism (1). 3. A check valve mechanism (1) as in Claim 1 or 2, characterized by a first sealing member (12) which is an o-ring, and a segment (14) with an outer radius equal to or greater than the outer diameter of the o-ring. 25 4. A check valve mechanism (1) as in any one of Claims 1 to 3, characterized by the first groove (13) and the second groove (15) having rectangular second sections. 5. A check valve mechanism (1 ) as in any one of Claims 1 to 4, characterized by a shaft (7) having a channel (17) that connects the first opening (4) and the second opening (5) so that there is liquid communication between them. ). 6. Claim, characterized by a shaft (7) comprising a first abutment (18) abuts against a second abutment (19) located in the main body (3) in such a way as to prevent the shaft (7) from moving forward in the axial direction towards the inside of the passage (6). A check valve mechanism (1) as in any of 1 to 5. 7. With the main body (3), which includes an internal threaded part (20) screwed to a female threaded part (21) located around the first opening (4) and the water spring (2) around the outlet (22) of the water tank. A check valve mechanism (1) as in any one of claims 1 to 6, characterized. 8. A check valve mechanism (1) as in Claim 7, characterized by a second sealing element (24) that ensures the sealing of the surface between the internal thread (20) and the female thread (21). 9. A check valve as claimed in any of claims 1 to 8, characterized by a spring (8), which is a compression spring (8), which is threaded onto the shaft (7) and rests on the second seating surface (11) located radially around the shaft (7). valve mechanism (l). 10. A check valve mechanism as in any one of Claims 1 to 9, characterized by a circular guide (25) that is inserted into said passage (6) in a leakproof and removable manner, and a shaft (7) inserted into the circular guide (25). (l). 11. A check valve mechanism (1) as in Claim 10, characterized by a third sealing element (26) that provides sealing of the surface between the circular guide (25) and the main body (3). 12. A water tank (23) including an outlet (22); A check as in any one of claims 1 to 11, which is removably attached to the outlet (22) comprising a mounting portion (27) that allows it to be removably mounted to the inner surface of a refrigeration appliance door (28) and a cover (29) allowing access to it. a water fountain (2) characterized by the valve mechanism (1). - a refrigeration appliance compartment, - a door (28) that enables the refrigeration appliance compartment to be opened and closed, - a water fountain (2) as in claim 12, which is removably mounted on the inner surface of the door (28), - the second opening (5) of the door (28) A cooling device, especially a household refrigerator, comprising a check valve mechanism (1) that opens into a recess (30) on its front surface and - a lever (31) that pushes the shaft (7) forward to provide water.