CN213044718U - Water-saving drinking device - Google Patents

Abstract

The utility model relates to the technical field of drinking equipment, and discloses a water-saving drinking device, which comprises a barrel body, wherein the side wall of the barrel body is provided with a water inlet, the bottom of the barrel body is provided with a water outlet, an inner barrel is sleeved in the barrel body, the top of the inner barrel is covered with a valve cover, one side of the bottom of the valve cover, which is close to the water inlet, is connected with a water-stop sheet, the water-stop sheet is tightly contacted with the inner side wall of the barrel body, and when the; the water outlet is communicated with the bottom of the inner barrel, the water outlet pipe is installed at the water outlet, the telescopic joint is arranged on the water outlet pipe, the end, far away from the water outlet, of the water outlet pipe is connected with the drinking cover, the connecting rod mechanism is arranged in the water outlet pipe, the input end of the connecting rod mechanism is connected with the end, provided with the drinking cover, of the water outlet pipe, the output end of the connecting rod mechanism is connected with the bottom of the valve cover, when the telescopic joint is compressed to the shortest length, the valve cover is opened, the water-stop plate is lifted up, the water inlet is opened, the sealing performance is excellent, the water.

Description

Water-saving drinking device

Technical Field

The utility model relates to a drinking water equipment technical field particularly, relates to a water conservation watering device.

Background

Watering device is extremely common device in daily life and the work production, for example watering device that aquaculture animal raised and use etc. in the use, current watering device generally can't accomplish to open promptly and use promptly and close promptly and stop promptly, can't realize effective water conservation, simultaneously, the easy oral area of fish tail animal during the use.

The present application is made in view of this feature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water-saving drinking device, it has fabulous sealing performance, can realize opening promptly and close promptly and stop promptly, and effective water conservation effectively protects animal oral area, prevents the fish tail.

The embodiment of the utility model discloses a realize through following technical scheme:

a water-saving drinking device comprises a barrel body, wherein a water inlet is formed in the side wall of the barrel body, a water outlet is formed in the bottom of the barrel body, an inner barrel with an open top is sleeved in the barrel body, a valve cover is covered on the top of the inner barrel, a water-stop sheet is connected to one side, close to the water inlet, of the bottom of the valve cover, the water-stop sheet is in tight contact with the inner side wall of the barrel body, and when the valve cover is closed with the inner barrel; the water outlet is communicated with the bottom of the inner barrel, a water outlet pipe is arranged at the water outlet, a telescopic joint is arranged on the water outlet pipe, a drinking cover is connected to one end, away from the water outlet, of the water outlet pipe, a connecting rod mechanism is arranged in the water outlet pipe, the input end of the connecting rod mechanism is connected with one end, provided with the drinking cover, of the water outlet pipe, the output end of the connecting rod mechanism is connected with the bottom of the valve cover, when the telescopic joint is compressed to the shortest length, the valve cover is opened, the.

Furthermore, a sealing end cover is covered at the top of the barrel body, a return spring set is connected between the valve cover and the sealing end cover, and when the return spring set is in a natural state, the valve cover is tightly covered with the inner barrel.

Furthermore, one side of the water-stop sheet, which is far away from the water inlet, is provided with a sealing plate, the bottom of the sealing plate is connected with the barrel body through a connecting plate, and the distance between the sealing plate and the inner side wall of the barrel body is matched with the thickness of the water-stop sheet.

Furthermore, a sealing groove matched with the outer diameter of the top of the inner barrel is formed in the bottom of the valve cover, at least one water passing hole is formed in the side wall of the part, inserted into the sealing groove, of the inner barrel, and when the telescopic joint is compressed to the shortest length, all the water passing holes are exposed out of the sealing groove.

Furthermore, the bottom of the valve cover is connected with a sealing plug matched with the inner diameter of the top of the inner barrel, and when the valve cover is closed with the inner barrel, the side wall of the sealing plug seals all the water through holes.

Furthermore, a sealing ring groove is formed in the top of the inner barrel downwards, the bottom of the sealing ring groove penetrates through all the water through holes, a sealing insert barrel matched with the sealing ring groove is connected to the bottom of the valve cover, and when the valve cover and the inner barrel are closed, the side wall of the sealing insert barrel seals all the water through holes.

Further, link mechanism includes first pole, second pole and third pole, first pole top and valve bonnet bottom fixed connection, and first pole bottom is articulated with the second pole, and the one end that first pole was kept away from to the second pole is articulated with the third pole, and the one end that the second pole was kept away from to the third pole is equipped with the one end fixed connection that the drinking water cover was covered with the outlet pipe, and when the second pole was in same straight line with first pole, the water inlet opened, and is a plurality of the water hole is opened.

Further, the outlet pipe is established to L shape, and the outlet pipe is including the vertical section, bend section and the horizontal segment that communicate in proper order, the telescopic joint is located on the horizontal segment, first pole is vertical to be set up in the vertical section, and the bottom of first pole is located vertical section bottom, the third pole level sets up in the horizontal segment, the both ends of third pole and the both ends parallel and level of horizontal segment.

Further, the bottom of the inner barrel is arranged to be inverted cone-shaped.

Furthermore, the valve cover is matched with the inner side wall of the barrel body, and at least one exhaust hole is formed in the sealing end cover.

The utility model has the advantages that:

(1) by arranging the inner barrel, the valve cover, the water-stop plate, the connecting rod mechanism and the expansion joint and the connection and matching relation of the components, the effect that the water can be stopped when the water is started and used and the water can be stopped when the water is stopped is realized, and the water source is effectively saved;

(2) the resetting performance of the valve cover is further improved by arranging the resetting spring group;

(3) the sealing performance of the water-stop sheet is further improved by arranging the sealing plate;

(4) by arranging the sealing groove and arranging at least one water through hole on the side wall of the top of the inner barrel, the water through hole is sealed from the outer side wall of the inner barrel, and the sealing property of the valve cover is improved;

(5) the sealing plug is arranged and matched with the inside and the outside of the sealing groove, so that the water through hole is sealed from the inner side wall of the inner barrel, and the sealing performance and the structural stability are further improved;

(6) through setting up sealed annular and sealed the section of thick bamboo of inserting, the water hole is sealed to crossing inside the bucket lateral wall in follow, with seal groove and sealing plug centre gripping cooperation, further promotes leakproofness and structural stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a water-saving drinking device provided in embodiment 1 of the present invention;

fig. 2 is a partial enlarged view of a link mechanism when a valve cover and an inner barrel of the water-saving drinking device provided by the embodiment 1 of the present invention are sealed;

fig. 3 is a partial enlarged view of the linkage mechanism when the valve cover and the inner barrel of the water-saving drinking device provided by the embodiment 1 of the utility model are opened;

fig. 4 is a schematic view of a water-saving drinking device provided in embodiment 2 of the present invention;

fig. 5 is a schematic view of a water-saving drinking device provided in embodiment 3 of the present invention;

fig. 6 is a schematic view of a water-saving drinking device provided in embodiment 4 of the present invention;

fig. 7 is a schematic view of a water-saving drinking device provided in embodiment 5 of the present invention.

Icon: 10-barrel body; 101-a water inlet; 102-a water outlet; 11-sealing the end cap; 111-vent; 12-inner barrel; 121-water through holes; 122-sealing ring groove; 13-valve cover; 131-a seal groove; 132-a sealing plug; 133-sealing the insert cylinder; 14-a water-stop sheet; 15-water outlet pipe; 151-expansion joint; 152-a vertical section; 153-bend section; 154-horizontal segment; 16-drinking cover; 17-a set of return springs; 18-a sealing plate; 19-a connecting plate; 20-a first rod; 21-a second rod; 22-third bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal, vertical or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 3, the present embodiment provides a water-saving drinking device, which includes a barrel 10, wherein the top of the barrel 10 is open, a sealing end cap 11 is disposed at the open end, the sealing end cap 11 can seal the top of the barrel 10, a water inlet 101 is disposed on a side wall of the barrel 10, the water inlet 101 is provided with a water inlet pipe, the water inlet pipe is communicated with an external water source, if necessary, a water supply pump is disposed on the water inlet pipe to increase the pressure of the inlet water, a water outlet 102 is disposed at the bottom of the barrel 10, and the water outlet 102 is provided with a water.

In order to realize the effect of instant on and instant off and instant stop, and for the purpose of saving water, an inner barrel 12 with an open top is sleeved in the barrel body 10, the inner barrel 12 is positioned in the middle of the barrel body 10, the inner barrel 12 and the barrel body 10 share the bottom surface, and is fixedly connected with the barrel body 10, the top of the inner barrel 12 is covered with a valve cover 13, in the embodiment, the valve cover 13 is matched with the top of the inner barrel 12, when the water-stop valve is covered with the inner barrel 12, the top of the inner barrel 12 can be sealed, one side of the bottom of the valve cover 13 close to the water inlet 101 is connected with a water-stop sheet 14, the water-stop sheet 14 is vertically arranged and is tightly contacted with the inner side wall of the barrel body 10, the shape and radian of the contact surface of the inner side wall of the barrel body 10 and the inner side wall of the barrel body 10 are completely the same, the two are tightly jointed, when the valve cover 13 moves downwards until the valve cover is closed with the inner barrel 12, the water stop sheet 14 slides downwards along the inner side wall of the inner barrel 12 until the end of the water inlet 101 in the barrel 10 is blocked and closed. Meanwhile, since the inner barrel 12 and the barrel body 10 share the bottom surface, the water outlet 102 is communicated with the bottom of the inner barrel 12, i.e., the water outlet pipe 15 is communicated with the inner barrel 12. The water outlet pipe 15 is provided with a telescopic joint 151 to enable the water outlet pipe 15 to be stretched or compressed to enable the whole length of the water outlet pipe to be lengthened or shortened, one end of the water outlet pipe 15, which is far away from the water outlet 102, is connected with a drinking cover 16, the drinking cover 16 is an open cover body, the open end of the drinking cover is far away from the water outlet pipe 15, the drinking cover 16 can be made of any flexible material, the drinking cover 16 can effectively prevent an animal from scratching the mouth part when drinking water, the animal stretches the mouth part into the drinking cover 16 and pushes the drinking cover 16 to enable the water outlet pipe 15 to be compressed, and real-time drinking water can be realized by matching with the following structure, specifically, a connecting rod mechanism is arranged in the water outlet pipe 15, the input end of the connecting rod mechanism is connected with one end of the water outlet pipe 15, which is provided with the drinking cover 16, the output end of the connecting rod mechanism is connected with the bottom of, in the process, because the length of the water outlet pipe 15 is compressed through the telescopic joint 151, the input end of the connecting rod mechanism moves, so as to drive the output end of the connecting rod mechanism to move, and then the valve cover 13 is pushed to move upwards, so that the valve cover 13 is upwards far away from the inner barrel 12, so that the inner barrel 12 is opened, meanwhile, the valve cover 13 moving upwards drives the water-stop sheet 14 to lift upwards, and gradually moves away from the water inlet 101, and finally the water inlet 101 is opened, at the moment, an external water source enters the barrel body 10 through the water inlet 101, and gradually fills the space between the inner side wall of the barrel body 10 and the outer side wall of the inner barrel 12, when the water level rises to be level with the upper surface of the inner barrel 12, a water body flows into the inner barrel 12 from the top of the inner barrel 12, then flows into the water outlet pipe 15, flows into the mouth of an animal, and cover with inner tub 12, meanwhile, the water-stop sheet 14 closes the water inlet 101 again and blocks the external water supply, the valve bonnet 13 moves downward and drives the input end to reset through the carry-out terminal of the link mechanism, thus drive the delivery pipe 15 to reset through the extension of the telescopic joint 151, at this moment, on one hand, because the valve bonnet 13 covers with the inner tub 12, the water body located in the barrel 10 will not enter the inner tub 12, on the other hand, because the top of the inner tub 12 is closed, the outlet pipe 15 located in its bottom will reduce the displacement under the effect of atmospheric pressure, through the effects of the above-mentioned two aspects, the apparatus has realized the effect that the opening is used and closed and stopped immediately, has saved the water source effectively, have good environmental protection effect and economic effect.

It should be noted that, in other embodiments, the valve cover 13 may be lifted or lowered by any mechanism in the prior art, for example, by any hydraulic mechanism, cam mechanism or ball mechanism that meets the requirements in the prior art.

In order to further clearly explain the connection relationship and the position relationship between the link mechanism and the water outlet pipe 15, in this embodiment, the link mechanism includes a first rod 20, a second rod 21 and a third rod 22, in order to facilitate drinking water for quadruped animals, the water outlet pipe 15 is configured to be L-shaped, the water outlet pipe 15 includes a vertical section 152, a bent pipe section 153 and a horizontal section 154 which are sequentially communicated, the telescopic joint 151 is disposed on the horizontal section 154, the first rod 20 is vertically disposed in the vertical section 152, the top end of the first rod 20 is fixedly connected with the bottom of the valve cover 13, so as to effectively fix the position of the first rod 20, the bottom end of the first rod 20 is located at the bottom of the vertical section 152, the third rod 22 is horizontally disposed in the horizontal section 154, two ends of the third rod 22 are flush with two ends of the horizontal section 154, one end of the third rod 22 close to the drinking water cover 16 is fixedly connected with the water outlet pipe 15, so as to fix the relative position of the third, two ends of the second rod 21 are respectively hinged with the bottom end of the first rod 20 and one end of the third rod 22 far away from the drinking cover 16, the second rod 21 is obliquely arranged, the height of the end of the first rod 20 is slightly higher than the height of the end of the third rod 22, and when the animal hits the drinking cap 16, the compression expansion joint 151 causes the horizontal section 154 to shorten, thereby moving the third rod 22 in the axial direction of the third rod 22 in a direction close to the first rod 20, thereby pushing the end of the second rod 21 with the lower height, making the end of the second rod 21 close to the first rod 20 rotate upwards, gradually making the second rod 21 vertical, and drives the first rod 20 to move upward along the axial direction of the first rod 20, when the second rod 21 is rotated to be vertical, which is on the same axis as the first rod 20, at which time the first rod 20 moves up to the highest point, which pushes the valve cover 13 open and moves the water stop plate 14 up to open the water inlet 101.

It should be noted that the first rod 20, the second rod 21 and the third rod 22 have sufficient rigidity to effectively implement and maintain the movement mode of the link mechanism, and according to actual requirements, the side walls of the first rod 20 and the third rod 22 and the inner side wall of the water outlet pipe 15 can be supported by any supporting device in the prior art, so as to improve the structural stability.

In order to further improve the resetting performance of the valve cover 13, a resetting spring group 17 is connected between the valve cover 13 and the sealing end cover 11, and when the resetting spring group 17 is in a natural state, the valve cover 13 is tightly covered with the inner barrel 12. Through setting up reset spring group 17, when link mechanism upwards promoted valve gap 13, it can compress reset spring group 17, and after removing the power, reset spring group 17 can push valve gap 13 to interior bucket 12 fast and make its lid close, effectively promotes the reset performance.

In order to further improve the sealing performance of the water stop sheet 14, a sealing plate 18 is arranged on one side, away from the water inlet 101, of the water stop sheet 14, the bottom of the sealing plate 18 is connected with the barrel body 10 through a connecting plate 19, the distance between the sealing plate 18 and the inner side wall of the barrel body 10 is matched with the thickness of the water stop sheet 14, the sealing plate 18 can effectively support the water stop sheet 14, and deformation or displacement of the sealing plate 18 caused by overlarge external water pressure is prevented.

In order to further facilitate water outlet and prevent water from accumulating at the bottom of the inner barrel 12, the bottom of the inner barrel 12 is arranged to be inverted cone-shaped.

Example 2

Please refer to fig. 4 on the basis of embodiment 1, this embodiment provides a water-saving drinking device, which is an improvement on the basis of embodiment 1, and the difference is that:

the bottom of the valve cover 13 is provided with a sealing groove 131 matched with the outer diameter of the top of the inner barrel 12, the side wall of the part of the inner barrel 12 inserted into the sealing groove 131 is provided with at least one water through hole 121, and when the telescopic joint 151 is compressed to the shortest length, all the water through holes 121 are exposed out of the sealing groove 131. Through setting up above-mentioned structure, the tightness when having further promoted the lid between valve gap 13 and the interior bucket 12 effectively to structure cooperation part with vertical direction changes the structure cooperation of horizontal direction into, makes the structure more reasonable.

Example 3

Please refer to fig. 5 on the basis of embodiment 2, this embodiment provides a water-saving drinking device, which is an improvement on the basis of embodiment 2, and the difference is that:

the bottom of the valve cover 13 is connected with a sealing plug 132 matched with the inner diameter of the top of the inner barrel 12, and when the valve cover 13 is covered with the inner barrel 12, the side wall of the sealing plug 132 seals all the water through holes 121. Through setting up sealing plug 132, seal from interior bucket 12 inside wall, carry out interior outer cooperation with the mode that seal groove 131 sealed from interior bucket 12 outside wall, effectively prevent the deformation that interior bucket 12 top probably takes place under hydraulic effect, increase the rationality of structure when promoting sealing performance.

Example 4

Please refer to fig. 6 on the basis of embodiment 3, this embodiment provides a water-saving drinking device, which is an improvement of embodiment 3, and the difference is:

the top of the inner barrel 12 is provided with a sealing ring groove 122 downwards, the bottom of the sealing ring groove 122 penetrates through all the water through holes 121, the bottom of the valve cover 13 is connected with a sealing insert barrel 133 matched with the sealing ring groove 122, and when the valve cover 13 is covered with the inner barrel 12, the side wall of the sealing insert barrel 133 seals all the water through holes 121. Through setting up sealed annular groove 122 and sealed cartridge 133, seal from the inside of interior bucket 12 top lateral wall, cooperate with the mode that sealing groove 131 seals from interior bucket 12 lateral wall and interior outer fit is carried out simultaneously with sealing plug 132 from interior bucket 12 inside wall, further promote leakproofness and structural rationality.

Example 5

Referring to fig. 7 on the basis of embodiment 4, this embodiment provides a water-saving drinking device, which is an improvement of embodiment 4, and the difference is that:

the valve cover 13 is matched with the inner side wall of the barrel body 10, and at least one exhaust hole 111 is formed in the sealing end cover 11. Through the shape that sets up valve gap 13, make its inside wall phase-match with staving 10 to effectively carry on spacingly to valve gap 13's horizontal direction, prevent that its up-and-down motion's in-process from taking place horizontal migration and leading to unable and interior bucket 12 lid to close, also make link mechanism's position relation more definite and stable simultaneously.

The working principle is as follows: the animal stretches the mouth into the drinking cover 16 to push the drinking cover 16, the water outlet pipe 15 is compressed through the telescopic joint 151, the connecting rod mechanism is pushed to drive the valve cover 13 to move upwards, the water inlet 101 and the inner barrel 12 are opened, external water enters an interlayer between the barrel body 10 and the inner barrel 12 through the water inlet 101, then enters the inner barrel from the top of the inner barrel 12 and is discharged into the animal mouth along the water outlet pipe 15; after the animal leaves, the valve cover 13 is reset under the action of gravity (and the reset spring set 17), and is covered with the inner barrel 12 again, and the water inlet 101 is closed, so that the water body is blocked.

To sum up, the utility model provides a water conservation watering device, its is rational in infrastructure, design benefit has effectively realized opening promptly and closing promptly the effect of stopping promptly in coordination through each mechanism to effectively save water, and through setting up multiple seal structure, make sealing performance effectively improve, further promote the water conservation effect, and through setting up the drinking water cover, effectively prevent animal oral area fish tail.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A water-saving drinking device comprises a barrel body (10), wherein a water inlet (101) is formed in the side wall of the barrel body (10), a water outlet (102) is formed in the bottom of the barrel body, and is characterized in that an inner barrel (12) with an open top is sleeved in the barrel body (10), a valve cover (13) is arranged on the top of the inner barrel (12) in a covering mode, a water-stop plate (14) is connected to one side, close to the water inlet (101), of the bottom of the valve cover (13), the water-stop plate (14) is in tight contact with the inner side wall of the barrel body (10), and when the valve cover (13) is covered with the inner barrel (12;

the water outlet (102) is communicated with the bottom of the inner barrel (12), a water outlet pipe (15) is mounted at the water outlet (102), an expansion joint (151) is arranged on the water outlet pipe (15), a drinking water cover (16) is connected to one end, far away from the water outlet (102), of the water outlet pipe (15), a connecting rod mechanism is arranged in the water outlet pipe (15), the input end of the connecting rod mechanism is connected with one end, provided with the drinking water cover (16), of the water outlet pipe (15), the output end of the connecting rod mechanism is connected with the bottom of the valve cover (13), when the expansion joint (151) is compressed to the shortest length, the valve cover (13) is opened, the water-stop plate (14) is.

2. The water-saving drinking device according to claim 1, wherein the top of the barrel body (10) is covered with a sealing end cover (11), a return spring set (17) is connected between the valve cover (13) and the sealing end cover (11), and when the return spring set (17) is in a natural state, the valve cover (13) is tightly covered with the inner barrel (12).

3. The water-saving drinking device according to claim 1, characterized in that a sealing plate (18) is arranged on one side of the water baffle (14) far away from the water inlet (101), the bottom of the sealing plate (18) is connected with the barrel body (10) through a connecting plate (19), and the distance between the sealing plate (18) and the inner side wall of the barrel body (10) is matched with the thickness of the water baffle (14).

4. The water-saving drinking device according to claim 1, wherein the bottom of the valve cover (13) is provided with a sealing groove (131) matched with the outer diameter of the top of the inner barrel (12), the side wall of the part of the inner barrel (12) inserted into the sealing groove (131) is provided with at least one water through hole (121), and when the telescopic joint (151) is compressed to the shortest, all the water through holes (121) are exposed from the sealing groove (131).

5. The water-saving drinking device as claimed in claim 4, characterized in that the bottom of the valve cover (13) is connected with a sealing plug (132) matched with the inner diameter of the top of the inner barrel (12), and when the valve cover (13) is covered with the inner barrel (12), the side wall of the sealing plug (132) seals all the water through holes (121).

6. The water-saving drinking device according to claim 4, characterized in that the top of the inner barrel (12) is provided with a sealing ring groove (122) downwards, the bottom of the sealing ring groove (122) penetrates all the water through holes (121), the bottom of the valve cover (13) is connected with a sealing insert cylinder (133) matched with the sealing ring groove (122), and when the valve cover (13) is covered with the inner barrel (12), the side wall of the sealing insert cylinder (133) seals all the water through holes (121).

7. The water-saving drinking device according to claim 4, characterized in that the linkage mechanism comprises a first rod (20), a second rod (21) and a third rod (22), the top end of the first rod (20) is fixedly connected with the bottom of the valve cover (13), the bottom end of the first rod (20) is hinged with the second rod (21), one end of the second rod (21) far away from the first rod (20) is hinged with the third rod (22), one end of the third rod (22) far away from the second rod (21) is fixedly connected with one end of the water outlet pipe (15) provided with the drinking cover (16), when the second rod (21) and the first rod (20) are in the same straight line, the water inlet (101) is opened, and all the water through holes (121) are opened.

8. The water-saving drinking device according to claim 7, wherein the water outlet pipe (15) is L-shaped, the water outlet pipe (15) comprises a vertical section (152), a bent pipe section (153) and a horizontal section (154) which are sequentially communicated, the telescopic joint (151) is arranged on the horizontal section (154), the first rod (20) is vertically arranged in the vertical section (152), the bottom end of the first rod (20) is arranged at the bottom of the vertical section (152), the third rod (22) is horizontally arranged in the horizontal section (154), and two ends of the third rod (22) are flush with two ends of the horizontal section (154).

9. The water-saving drinking device as claimed in claim 1, wherein the bottom of the inner barrel (12) is arranged in an inverted cone shape.

10. The water-saving drinking device as claimed in claim 2, wherein the valve cover (13) is matched with the inner side wall of the barrel body (10), and the sealing end cover (11) is provided with at least one vent hole (111).

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