TWM592454U - Drain head valve stem structure - Google Patents

Abstract

This invention creates a drip head stem structure, which includes: a drip head body and a stem. A drain hole is provided inside the drip head body, and the hole wall of the drain hole is provided with a first-order edge. The stem includes a positioning element, A telescopic rod and a plug cover, the positioning member is provided with an annular portion, the outer edge of the annular portion is provided with at least one elastic washer, a coupling hole is provided in the center of the annular portion, the positioning member is placed into the body of the drip head In the drain hole, the lower end of the ring portion is pressed against the step edge of the drain hole of the drip head body, and at the same time, the elastic gasket on the outer edge of the ring portion is forced against the hole wall of the drain hole of the drip head body. The lower end of the rod and the coupling hole of the positioning member are set and fixed, and the plug cover is combined with the upper end of the telescopic rod; by this, the valve rod of the Penta valve can be stably fixed and kept upright to ensure the smooth opening and closing of the drainage and sealing.

Description

Valve head structure of falling head

This creation relates to a structure of a drip head, especially a structure of a drip head stem installed in a water storage device such as a washstand or bathtub.

No matter how the style of the common sanitary ware such as washbasins, sinks, bathtubs, etc. on the market is changed, there must be a drain hole at the bottom. The drain hole is used to provide sewage discharge, and will be installed at the drain hole. The drip head is used to filter debris and control water and drainage.

In recent years, a push-type drain head has been created. When it is used, it can switch the drain head to close the water stop and open the drain by pressing. It has a simplified structure, easy installation, convenient use, and a filter structure to prevent mixing. The objects are discharged into the water pipe to ensure that the water pipe is unblocked, which is widely welcomed by the market.

It is known that the push-type drip head has a drip head body and a valve stem. The valve stem is assembled in the body of the drip head in a screw or sleeve manner. When the screw-assembled person cleans, the valve stem needs to be dropped from the water. The head body rotates upward to retreat, so that the valve stem is separated from the drip head body, and after cleaning, the stem is recombined with the drip head body, which is very troublesome and inconvenient and time-consuming to clean, especially because the valve The screw joint between the rod and the body of the drip head is usually washed and soaked by water for a long time, so the combined thread is easy to get stuck due to the intrusion and adhesion of scale or other impurities, which can not be removed or It is a problem that it is easy to be disassembled. In addition, when the sleeve is set in a set manner, the valve stem sleeve is set in the body of the drip head, the valve stem cannot be firmly fixed and kept upright, and it is easy to use when it is skewed or Driven upwards, the valve stem can not be closed smoothly to stop the water, making its practicality greatly reduced.

In view of the above-mentioned shortcomings of the conventional press-type falling head, the creator created the creation after discussing and trial-making samples with various ideas and various corrections and improvements.

This creation provides a drip head stem structure, including: a drip head body, which is in the shape of a hollow circular tube, with a drain hole inside, and an enlarged ring piece extending outward from the top edge, and the hole wall of the drain hole is provided with a first-order edge , An opening at the upper end of the drainage hole; and a valve stem, the valve stem includes a positioning member, a telescopic rod and a plug cover, the positioning member is provided with an annular portion, the outer edge of the annular portion is provided with at least one elastic In the gasket, a coupling hole is provided in the center of the ring portion, and a plurality of filter holes are provided between the ring portion and the coupling hole, and the positioning member is placed in the drain hole of the drip head body to make the lower end of the ring portion snap against At the step edge of the drain hole of the drip head body, at the same time, the elastic washer of the outer edge of the ring portion is forced against the hole wall of the drain hole of the drip head body, and the lower end of the telescopic rod and the coupling hole of the positioning member are assembled and fixed , The plug cover is combined with the upper end of the telescopic rod, and by pressing the plug cover, the telescopic rod can push the plug cover upward to open the upper opening of the drain hole, or the telescopic rod can position the plug cover at The position of the upper end opening of the drain hole is closed.

The main purpose of the creation of the structure of the drip head stem is that the stem is set in the body of the drip head in a nested manner, and the stem and the body of the drip head can be easily combined and separated, and the installation and cleaning are convenient and fast, and can be The lower end of the ring part of the positioning member is clamped against the step edge of the drain hole of the drip head body, and the elastic washer that cooperates with the outer edge of the ring part of the positioning member is forced against the hole wall of the drain hole of the drip head body to ensure the valve stem Stable position and keep upright, and can smoothly switch between open drainage and closed water stop.

The following is further explained in conjunction with the drawings of the preferred embodiment of this creation, in order to enable those familiar with the technology related to this creation to implement it in accordance with the statements in this specification.

First of all, please refer to the first to third figures, this creation is a structure of a drip head stem, including: a drip head body A and a stem B.

The body A of the falling head is a hollow circular tube, with a drain hole A1 inside, an enlarged ring piece A2 extending outward from the top edge, and at least one side hole A3 communicating with the drain hole A1 on the pipe wall, the drain hole The hole wall of A1 is provided with a first step edge A11, and an opening A12 is provided on the upper end of the drainage hole A1.

The valve stem B includes a positioning member 10, a telescopic rod 20 and a plug cover 30. The positioning member 10 is provided with an annular portion 11 and at least an elastic washer 12 is provided on the outer edge of the annular portion 11 (in this embodiment The outer edge of the ring portion 11 is provided with upper and lower elastic washers 12), a coupling hole 13 is provided in the center of the ring portion 11, a plurality of filter holes 14 are provided between the ring portion 11 and the coupling hole 13, the positioning member 10 is inserted into the drain hole A1 of the drip head body A, so that the lower end of the annular portion 11 snaps against the step edge A11 of the drain hole A1 of the drip head body A, and the elastic washer 12 on the outer edge of the annular portion 11 Forced against the hole wall of the drain hole A1 of the drip head body A, the lower end of the telescopic rod 20 and the coupling hole 13 of the positioning member 10 are screwed together and fixed, and the plug cover 30 is coupled to the upper end of the telescopic rod 20.

The telescopic rod 20 has an upper narrow and lower wide shape. The telescopic rod 20 includes an outer sleeve 21, a movable member 22, a spring 23, a limiting bolt 24, a positioning rod 25 and a fixing member 26.

The outer sleeve 21 is provided with a sleeve hole 211 with an upward opening, and an outer thread 212 is provided at the lower end of the peripheral edge. The outer thread 212 is used for screwing and fixing with the coupling hole 13 of the positioning member 10. The bottom of the outer sleeve 21 is provided with a A through hole 213 communicating with the sleeve hole 211 and a fixing portion 214 extending downward, and a screw hole 215 communicating with the sleeve hole 211 are provided near the upper end of the outer sleeve 21.

The movable member 22 is slidably disposed in the sleeve hole 211 in an axially movable manner. The upper end of the movable member 22 is provided with a connecting portion 221, and the lower end is provided with a generally heart-shaped positioning guide groove 222. The positioning guide groove 222 has an upper The positioning portion 223 and the lower positioning portion 224 are provided with a longitudinal limiting groove 225 on the periphery of the movable element 22.

The spring 23 is accommodated in the sleeve hole 211 of the outer sleeve 21 and is disposed between the bottom end of the sleeve hole 211 and the movable member 22 for urging the movable member 22 upward.

The limit bolt 24 is screwed into the screw hole 215 of the outer sleeve 21, and the end of the limit bolt 24 protrudes into the limit groove 225 of the movable member 22, which restricts the movable member 22 to be only in the set of holes 211 Axial movement.

The positioning rod 25 is penetrated through the through hole 213 of the outer sleeve 21, and two ends of the positioning rod 25 are respectively extended to form an upper hook section 251 and a lower hook section 252. The upper hook section 251 is slidably disposed on the movable member 22 for positioning In the guide groove 222, the lower hook section 252 is inserted into the fixing portion 214 of the outer sleeve 21.

The fixing member 26 is a spiral ferrule made of metal, sleeved on the fixing portion 214 of the outer sleeve 21 and the lower section of the positioning rod 25, and combining the lower section of the positioning lever 25 with the fixing section 214 of the outer casing 21 Fixing, so that the upper hook section 251 of the positioning rod 25 can move along the shape of the positioning guide groove 222.

As shown in the third and fourth figures, when the drip head of the present invention is opened, the movable member 22 of the valve stem 20 is urged upward by the spring 23, and the hook section 251 on the positioning rod 25 is limited by the activity The lower positioning portion 224 of the positioning guide groove 222 of the member 22 causes the valve stem 20 to extend, and the plug cover 30 is displaced upward away from the opening A12 of the drain hole A1 of the drip head body A, and assumes an open state.

As shown in the fifth figure, when the dripping head of the present invention is to be closed, the plug cover 30 is pressed down, so that the spring 23 is squeezed and contracted by the movable member 22, and the hook section 251 of the positioning rod 25 slides To the positioning guide groove 222 of the movable member 22, the upper positioning portion 223 is positioned, and the plug cover 30 covers the opening A12 of the drain hole A1 of the drip head body A to be closed.

When the plug cover 30 is pressed down again, the upper hook section 251 of the positioning rod 25 is slid again to the positioning guide groove 222 of the movable member 22 and the lower positioning portion 224 is positioned. In this way, the plug cover 30 is repeatedly pressed , Can switch the opening or closing of the main body A of the falling head.

Furthermore, as shown in the sixth and seventh figures, it is another embodiment of the structure of the stem of the falling head. The difference between the other embodiment and the above embodiment is the outer edge of the annular portion 11 of the positioning member 10 An elastic washer 12 is provided near the upper end, and a plurality of through holes 111 are bored around the periphery of the annular portion 11.

From the structure of the above specific embodiment, the following benefits can be obtained:

In this creation, the stem valve stem structure, the stem B is set in the sink body A in a nested manner, not only can the stem B and the sink body A be easily combined and separated, installation and cleaning are convenient and fast, and because of the positioning The lower end of the annular portion 11 of the member 10 is positioned against the step edge A11 of the drain hole A1 of the drip head body A, and the elastic washer 12 that cooperates with the outer edge of the annular portion 11 of the positioning member 10 is forced against the drainage of the drip head body A The hole wall of the hole A1 can ensure that the stem B is stably fixed and kept upright, so that the drainage and the sealing can be switched smoothly, and the practicality and convenience of use are improved.

A: The body of the dripping head A1: Drain hole A11: Step margin A12: opening A2: Expand the ring A3: Side hole B: stem 10: Positioning piece 11: Ring 12: Elastic washer 13: binding hole 14: filter hole 20: Telescopic rod 21: outer tube 211: Sleeve 212: External thread 213: through hole 214: fixed part 215: screw hole 22: moving parts 221: Connection 222: Positioning guide groove 223: Upper positioning part 224: Lower positioning part 225: Limit slot 23: Spring 24: limit bolt 25: positioning rod 251: Upper hook section 252: Lower hook section 26: fixings 30: Plug cover

The first picture is a three-dimensional exploded view of this creation. The second picture is a three-dimensional exploded view of the valve stem of this creation. The third picture is a schematic cross-sectional view of the open state of this creation. The fourth picture is a schematic diagram of the use of drainage in this creation. The fifth picture is a schematic cross-sectional view of the closed state of this creation. The sixth figure is a three-dimensional exploded view of another embodiment of the present creation. The seventh figure is a schematic cross-sectional view of another embodiment of the creation in an open state.

A: The body of the dripping head

A1: Drain hole

A12: opening

A2: Expand the ring

A3: Side hole

B: stem

10: Positioning piece

11: Ring

12: Elastic washer

13: binding hole

14: filter hole

20: Telescopic rod

21: outer tube

22: moving parts

24: limit bolt

30: Plug cover

Claims (7)

A drip head stem structure, including: A body of the dripping head, which is in the shape of a hollow circular tube with a drainage hole inside, an enlarged ring piece extending outward from the top edge, a first-order edge of the hole wall of the drainage hole, and an opening at the upper end of the drainage hole; and A valve stem, the valve stem includes a positioning member, a telescopic rod and a plug cover, the positioning member is provided with an annular portion, the outer edge of the annular portion is provided with at least one elastic washer, and a joint is provided in the center of the annular portion A plurality of filter holes are provided between the ring portion and the coupling hole, and the positioning member is placed in the drain hole of the drip head body, so that the lower end of the ring portion snaps against the step of the drain hole of the drip head body At the same time, the elastic washer on the outer edge of the ring portion is forced against the hole wall of the drain hole of the drip head body, the lower end of the telescopic rod and the coupling hole of the positioning member are fixed together, and the plug cover is combined with the upper end of the telescopic rod And, by pressing the plug cover, the telescopic rod can push the plug cover upward to open the upper opening of the drainage hole, or the telescopic rod can position the plug cover to close the opening of the upper end of the drainage hole. The structure of the drip head stem as described in item 1 of the patent application scope, wherein the pipe wall of the drip head body is provided with at least one side hole communicating with the drain hole. The structure of the drip head stem as described in item 1 of the patent application scope, wherein the outer edge of the annular portion of the positioning member is provided with upper and lower elastic washers. The structure of the drip head stem as described in Item 1 of the patent application scope, wherein an elastic washer is provided on the outer edge of the annular portion of the positioning member, and the elastic washer is provided near the upper end of the outer edge of the annular portion. As described in the first item of the patent application, the structure of the drip-head stem is in which a plurality of through holes are drilled in the outer periphery of the annular portion of the positioning member. The drip head stem structure as described in item 1 of the patent application scope, wherein the telescopic rod includes an outer sleeve, a movable part, a spring, a limit bolt and a positioning rod, and the inner sleeve is provided with an opening facing upward The sleeve hole is provided with an external thread at the lower end of the peripheral edge. The external thread is used for screwing and fixing with the coupling hole of the positioning member. The bottom of the outer sleeve is provided with a through hole communicating with the sleeve hole and a fixing portion extending downward. A screw hole communicating with the set of holes is provided at the upper end of the outer sleeve, the movable part is slidably slidably arranged in the set of holes, a connecting part is provided at the upper end of the movable part, and a generally heart-shaped positioning is provided at the lower end A guide groove, the positioning guide groove has an upper positioning portion and a lower positioning portion, a longitudinal limiting groove is provided on the periphery of the movable part, the spring is accommodated in the sleeve hole of the outer sleeve, and is arranged at the bottom end of the sleeve hole Between the movable member and the movable member, the limit bolt is screwed in the screw hole of the outer sleeve, and the end of the limit bolt protrudes into the limit groove of the movable member to limit the The movable part can only move axially in the set of holes, the positioning rod is inserted through the through hole of the outer sleeve, and two ends of the positioning rod are respectively extended to form an upper hook section and a lower hook section. In the positioning guide groove of the movable part, the lower hook section is inserted into the fixed part of the outer sleeve. The structure of the drip head stem as described in item 6 of the patent application scope, wherein the telescopic rod further includes a fixing member, the fixing member is a spiral beam ring, sleeved on the fixing part of the outer sleeve and the lower section of the positioning rod Part, the lower part of the positioning rod is combined and fixed with the fixing part of the outer sleeve.

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