TWM566104U - Outer cover of filter cartridge - Google Patents

Abstract

A filter cartridge cover comprising a main cover body adapted for the filter element and a water stop valve. The main cover defines a water inlet pipe having a port and a water outlet pipe. The water stop valve is disposed in the water inlet pipe of the main cover body. When the filter element is disposed on the outer cover, the water stop valve is located at a communication position, so that water can enter the filter element through the port of the main cover body. When the filter element is removed from the outer cover, the water stop valve is located at a stop position, so that the water inlet in the water inlet pipe is blocked by the water stop valve, so the water inlet does not pass through The port is discharged to achieve the effect of stopping the water.

Description

Filter cover

The present invention relates to an outer cover, in particular to an outer cover for a filter element.

Referring to FIG. 1 and FIG. 2, general drinking water equipment often uses a filter element 1 to filter water. The filter element 1 defines a filter space 11 containing a filter material, and the filter element 1 has a plurality of water outlets 12 and an inlet connected to the filter space 11. Nozzle 13. The filter element 1 needs to be connected to the water inlet line and the water outlet line through an outer cover 2. The outer cover 2 is arranged on the top of the filter element 1 and covers the water outlets 12 and the water inlets 13. The outer cover 2 has a continuous A water outlet channel 21 through the water outlets 12 and a water inlet channel 22 connected to the water inlet 13. Diversion can be achieved through the water inlet channel 22 so that the water to be filtered entering the filter element 1 will not contaminate the filtered water sent from the filter element 1.

However, when the filter element 1 needs to be replaced, the filter element 1 needs to be removed from the outer cover 2. At this time, although the water supply equipment has stopped supplying water, water will accumulate in the water inlet channel 22, resulting in unloading. When the filter element 1 is removed, water will flow out from the outlet of the water inlet passage 22 and cause dirt.

Therefore, an object of the present invention is to provide a filter element outer cover which can prevent water from flowing out during disassembly.

Therefore, the outer cover of the novel filter element defines a water inlet groove and a water outlet groove, the outer cover includes a main cover body suitable for the filter element, and a stopper provided on the main cover body. Water valve. The main cover defines a water inlet pipe having a through hole and a water outlet pipe connected to a water outlet groove of the filter element, and the through hole communicates with the water inlet groove of the filter element.

The water stop valve is disposed in the water inlet pipe of the main cover and is movable between a communication position and a stop position relative to the main cover. When the main cover is provided on the filter element, the The water stop valve is located at the communication position without closing the port. When the filter element is removed from the main cover, the water stop valve is located at the stop position and closes the port.

The effect of the new model is that when the outer cover is provided on the filter element, the water stop valve is located in the communication position, so that water can enter the water inlet groove of the filter element through the port of the main cover body, When the outer cover is removed, the water stop valve is located at the stop position, so that the water inlet in the water inlet pipeline is blocked by the water stop valve, so the water inlet will not flow out through the port, thereby achieving the water stop. efficacy.

Before the new model is described in detail, it should be noted that in the following description, similar elements are represented by the same number.

Referring to FIG. 3, FIG. 4, and FIG. 5, a first embodiment of the outer cover 4 of the new filter element 3, which needs special explanation is that FIG. 5 is a bottom view of the outer cover 4 and the filter element 3 is not shown. The filter element 3 only shows a part of the upper cover of the filter element 3, and does not show a part of the housing containing the filter material. The filter element 3 defines a water inlet groove 31 and a water outlet groove 32. The outer cover 4 includes a main cover body 5 suitable for covering the top of the filter element 3, and a water stop valve 6 provided in the main cover body 5. The main cover 5 includes a surrounding wall portion 51, a water inlet pipe portion 52 extending upward from the top surface of the surrounding wall portion 51 along the radial direction of the filter element 3, and a top surface of the surrounding wall portion 51 and the water inlet pipe. The portion 52 extends in the same direction as the outlet pipe portion 53. The surrounding wall portion 51 has a wall surface 511 facing the water stop valve 6, and defines a communication space 512 for communicating with the water inlet groove 31 of the filter element 3 and for the filter element 3 to be inserted therein. The water inlet pipe portion 52 defines a water inlet pipe 522 of a through port 521. The water outlet pipe portion 53 defines a water outlet pipe 531 connected to the water outlet groove 32 of the filter element 3.

Referring to FIGS. 4, 5, and 6, the water stop valve 6 includes a valve seat 61 fixed in the water inlet pipe portion 52 of the main cover 5, a valve seat 61 passing through the valve seat 61, and a part of the water passage 521. A valve body 62 extending into the communication space 512, a set of sealing rings 63 provided on the valve body 62 and facing the wall surface 511, and a set of the valve body 62 and abutting against the valve seat 61 and used The reset member 64 drives the valve body 62 to reset. The valve body 62 has a shaft portion 621 penetrating the valve seat 61 and for the resetting member 64 to be sleeved and located in the water inlet pipe 522, and a shaft portion 621 connected to the shaft portion 621 and cooperating with the valve seat 61 to The limiting portion 622 for limiting the resetting member 64 and a pushing portion 623 extending from the limiting portion 622 into the communication space 512 through the opening 521. The sealing ring 63 is sleeved on the pushing portion 623 and abuts against the limiting portion 622, and is located between the limiting portion 622 and the wall surface 511.

The following describes the usage method of this embodiment 1. When the outer cover 4 is placed on the top of the filter element 3, the top end of the filter element 3 is put into the communication space 512, and the pushing portion 623 of the water stop valve 6 will be The filter element 3 is pushed upward, so that the valve body 62 moves relative to the valve seat 61 and compresses the reset member 64, so that the water stop valve 6 moves relative to the main cover 5 to a communication as shown in FIG. 4. Position, at this time, the sealing ring 63 of the water stop valve 6 does not abut against the wall surface 511 of the surrounding wall portion 51, and there is also a gap between the limiting portion 622 and the water inlet pipe portion 52, so that the water inlet pipe 522 can be The water enters the communication space 512 through the opening 521, which means that the water stop valve 6 does not close the opening 521. When the water stop valve 6 is in the communication position, the water input from the outside can pass through the port 521, and then enter the filter element 3 through the water inlet groove 31 for filtering. After filtering, the water is passed through the water outlet groove 32. And the water outlet pipe 531 is output.

When the filter element 3 is removed from the outer cover 4 as shown in FIG. 6, the filter element 3 no longer abuts against the pushing portion 623, so the resetting member 64 will push the limiting portion 622 to reset the valve body 62. And move the water stop valve 6 relative to the main cover 5 to a stop position as shown in FIG. 6, at this time, the seal ring 63 abuts against the wall surface 511 of the surrounding wall, the limiting portion 622 and the The sealing ring 63 cooperates to close the port 521, so the water in the water inlet pipe 522 will be restricted by the water stop valve 6 and cannot pass through the port 521. Therefore, after the outer cover 4 is removed, the water will not enter Continue to enter the water inlet pipe 522, and it will not flow out. It has the effect of stopping water to avoid dirt, and the water stop valve 6 does not need to be manually opened, which improves the convenience of use.

Referring to FIG. 7, FIG. 8, and FIG. 9, a second embodiment of the outer cover 4 of the new filter element 3 is substantially the same as the first embodiment, except that the main cover is different. The water inlet pipe portion 52 of the body 5 extends in the radial direction of the filter element 3 and is substantially perpendicular to the water outlet pipe portion 53. The water stop valve 6 is horizontally disposed. When the water stop valve 6 is located at the stop position At this time, the pushing portion 623 protrudes from the through hole 521 in the horizontal direction as shown in FIG. 8. When the outer cover 4 is installed on the filter element 3, the filter element 3 pushes the pushing element in a pushing manner. The portion 623 moves the water stop valve 6 to the communication position as shown in FIG. 9. The second embodiment provides another configuration manner of the water inlet pipe 522, so that the user can select different configuration manners according to the water intake requirements, thereby improving versatility.

In summary, when the outer cover 4 is detached, the water stop valve 6 will automatically move to the stop position, thereby avoiding the inflow of water from the through port 521, which can avoid dirt and high convenience. Therefore, it can indeed achieve the purpose of new cost.

However, the above are only examples of the new model. When the scope of implementation of the new model cannot be limited by this, any simple equivalent changes and modifications made in accordance with the scope of the patent application of the new model and the content of the patent specification are still Within the scope of this new patent.

3‧‧‧ filter
31‧‧‧water inlet trough
32‧‧‧outlet channel
4‧‧‧ Cover
5‧‧‧ main cover
51‧‧‧ around the wall
511‧‧‧wall
512‧‧‧connected space
52‧‧‧Inlet pipe department
521‧‧‧Port
522‧‧‧Inlet water pipeline
53‧‧‧Outlet pipe department
531‧‧‧outlet pipe
6‧‧‧ water stop valve
61‧‧‧Valve seat
62‧‧‧Valve body
621‧‧‧ shaft
622‧‧‧Limiting Department
623‧‧‧Pushing Department
63‧‧‧sealing ring
64‧‧‧Reset

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is an incomplete perspective exploded view illustrating a conventional filter element and an outer cover; FIG. 2 is a An incomplete cross-sectional view illustrating the combination of the filter element and the outer cover; FIG. 3 is a perspective view illustrating a first embodiment of the outer cover of the new filter element; FIG. 4 is a cross-sectional view illustrating the first embodiment of the present invention; A water stop valve is in a communicating position; FIG. 5 is a bottom view illustrating the bottom view of the outer cover; FIG. 6 is a cross-sectional view illustrating the water stop valve in a stop position; FIG. 7 is a perspective view illustrating the present A second embodiment of the outer cover of the novel filter element; FIG. 8 is a cross-sectional view illustrating that the water stop valve is located at the blocking position in the second embodiment; and FIG. 9 is a cross-sectional view illustrating that the water stop valve is located at the stop position Connected position.

Claims (7)

An outer cover for a filter element, the filter element defining a water inlet groove and a water outlet groove, the outer cover comprising: a main cover body adapted to be provided for the filter element, and defining a water inlet pipe with a through hole, and A water outlet pipe communicating with the water outlet groove of the filter element, the opening communicating with the water inlet groove of the filter element; and a water stop valve arranged in the water inlet pipe of the main cover, the water stop valve can be opposite to the water outlet pipe The main cover moves between a communication position and a blocking position. When the main cover is set on the filter element, the water stop valve is located in the communication position without closing the opening. When the filter element is moved by the main cover When being removed, the water stop valve is located at the blocking position and closes the through port. The outer cover of the filter element according to claim 1, wherein the main cover includes a surrounding wall portion, a water inlet pipe portion connected to the surrounding wall portion and defining the water inlet pipeline, and a connection wall connected to the surrounding wall The water outlet pipe part of the water outlet pipeline is defined on the part, and the surrounding wall part defines a water inlet groove and the through port that communicate with the filter element, and a communication space for the filter element to be placed in. The outer cover of the filter element according to claim 2, wherein the water stop valve includes a valve seat fixed in the water inlet pipe part of the main cover body, a valve seat passing through the valve seat, and a part of the water pipe extending into the communication through the port A valve body in the space, and a set of resetting members provided on the valve body and abutting against the valve seat and used to drive the valve body to reset, can be driven when the filter element is placed in the communication space to push the valve body The water stop valve is moved from the blocking position to the communication position. The outer cover of the filter element according to claim 3, wherein the surrounding wall portion of the main cover body has a wall surface facing the water stop valve, and the water stop valve further includes a set of valve bodies disposed on the valve body and facing the wall surface. The sealing ring does not abut against the wall surface when the water stop valve is in the communicating position, and the sealing ring abuts the wall surface when the water stop valve is in the blocking position. The outer cover of the filter element according to claim 4, wherein the valve body of the water stop valve has a shaft rod portion penetrating the valve seat, the reset member is sleeved and located in the water inlet pipe, and a shaft is connected to the shaft. The stem portion cooperates with the valve seat to limit the limit portion of the reset member, and a pushing portion extending from the limit portion into the communication space through the opening, and the sealing ring is sleeved on The pushing portion abuts against the limiting portion. When the water stop valve is located at the blocking position, the limiting portion and the sealing ring cooperate to close the opening. The outer cover of the filter element according to any one of claims 2 to 5, wherein the water inlet pipe portion of the main cover body extends in the same direction as the water outlet pipe portion in the radial direction of the filter element. The outer cover of the filter element according to any one of claims 2 to 5, wherein the water inlet pipe portion of the main cover body extends in the axial direction of the filter element, and the water outlet pipe portion extends in the radial direction of the filter element .