阅读说明：本技术 一种带有两种出水模式切换的水龙头节水器 (Water saving device of water tap with two kinds of mode switch that go out ) 是由 骆杰 王元胜 于 2019-09-30 设计创作，主要内容包括：本发明提供一种带有两种出水模式切换的水龙头节水器,包括外喷嘴、内喷嘴、花洒水密封圈以及螺旋杆,内喷嘴内腔设置有限位环、导杆、喷雾水密封圈以及弹性件,外喷嘴内设置花洒水通道与喷雾水通道,螺旋杆设置于喷雾水通道底部,限位环设置于内喷嘴内腔的内部,螺旋杆顶端设置螺旋杆凸起,其穿过喷雾水进水孔抵靠于导杆下方,导杆上端穿过限位环中心孔,且滑动连接,下端设置密封座,与限位环之间设置弹性件,单方向旋转外喷嘴且旋转到底或反方向旋转外喷嘴且旋转到底,实现花洒水与喷雾水两种出水模式完全切换,避免了水资源的浪费；通过在外喷嘴上端外侧套设限位卡环,将内喷嘴限制于外喷嘴内上下移动,可防止使用者将外喷嘴与内喷嘴拆卸。(The invention provides a water saving device of a water faucet with two water outlet modes for switching, which comprises an outer nozzle, an inner nozzle, a shower head water sealing ring and a screw rod, wherein a limiting ring, a guide rod, a spraying water sealing ring and an elastic piece are arranged in an inner cavity of the inner nozzle; the limiting snap ring is sleeved on the outer side of the upper end of the outer nozzle, so that the inner nozzle is limited in the outer nozzle to move up and down, and the outer nozzle and the inner nozzle can be prevented from being detached by a user.)

1. A water saving device of a water faucet with two water outlet mode switching is connected with a water outlet of the water faucet and is characterized by comprising an outer nozzle, an inner nozzle, a water seal ring of the water faucet and a screw rod, wherein the outer nozzle is sleeved outside the inner nozzle and is in threaded connection with the inner nozzle;

interior nozzle inner chamber is provided with spacing ring, guide arm, spraying water sealing washer and elastic component, set up gondola water faucet water passageway and spraying water passageway in the outer nozzle, the hob sets up in spraying water passageway bottom, and both interference fit, the spacing ring sets up in the inside of interior nozzle inner chamber, and both interference fit, the hob top sets up the hob arch, and it passes the spraying water inlet opening and supports and lean on in the guide arm below, the guide arm upper end passes the spacing ring centre bore, and sliding connection, and the lower extreme sets up the seal receptacle, spraying water sealing washer cover is located on the guide arm, and is located the seal receptacle below, the elastic component upper end supports and leans on terminal surface under the spacing ring, and the lower extreme supports and leans on in the seal receptacle up end, the elastic component is compression state.

2. The water saving device for the water faucet with the two water outlet modes for switching according to claim 1, wherein a second water sealing surface is arranged at the bottom of the inner cavity of the inner nozzle;

the outer nozzle is rotated in a single direction and rotated to the bottom, the water seal ring of the shower head abuts against the first water seal surface, the water channel of the shower head is cut off, the water seal ring of the spray head is far away from the second water seal surface, and the water channel of the spray head is opened to realize water outlet of the spray water;

the outer nozzle of opposite direction rotation and rotatory end of arriving, first surface of water sealing is kept away from to gondola water faucet water-stop seal, the spraying water-stop seal supports under the elastic component and leans on in the second surface of water sealing, cuts off the spray water passageway, realizes that gondola water faucet water goes out water.

3. The water saving device for the faucet with the two water outlet modes capable of being switched according to claim 1, wherein a limiting snap ring for limiting the inner nozzle to move up and down in the outer nozzle is further sleeved outside the upper end of the outer nozzle.

4. The water saving device for the water faucet with the two water outlet modes capable of being switched according to claim 3, wherein a stepped through hole is formed in the limiting snap ring and sequentially comprises a first stepped hole and a second stepped hole, the inner diameter of the first stepped hole is smaller than that of the second stepped hole, a limiting structure is arranged between the first stepped hole and the inner nozzle, and a fixing structure is arranged between the second stepped hole and the outer nozzle.

5. The water saving device for the water faucet with the switching of the two water outlet modes as claimed in claim 4, wherein the limiting structure comprises a first annular step arranged on the outer side wall of the inner nozzle and a plurality of limiting bosses arranged on the inner side wall of the first step hole of the limiting snap ring and matched with the first annular step.

6. The water saving device for the water faucet with the two water outlet modes being switched according to claim 4, wherein the fixing structure comprises a plurality of second bosses arranged on the outer side wall of the outer nozzle and a plurality of square through holes arranged on the inner side wall of the second stepped hole and matched with the second bosses.

7. The water saving device for the water faucet with the two water outlet modes capable of being switched according to claim 1, wherein the limiting ring is provided with a water through hole, the elastic part adopts a spring, and the outer nozzle is made of metal or plastic.

8. The water saving device for the water faucet with the two water outlet modes capable of being switched according to claim 1, wherein the guide rod and the water spray sealing ring are in an integrated structure or a split assembly structure.

9. The water saving device for the water faucet with the two water outlet modes capable of being switched according to claim 1, wherein a handle is sleeved outside the outer nozzle and drives the outer nozzle to rotate;

a filter screen is arranged at a water inlet of the inner cavity of the inner nozzle; the interior nozzle outside just is located gondola water faucet water-stop seal ring upper end cover and establishes first sealing washer, and the second sealing washer is established to gondola water faucet water-stop seal ring lower pot head, first sealing washer and gondola water faucet water-stop seal ring are located between the inside wall of outer nozzle and the lateral wall of interior nozzle, the second sealing washer is located between interior nozzle lateral wall and the spray water passageway inside wall.

10. The water saving device for the water faucet with the two water outlet modes capable of being switched according to claim 1, wherein the inner cavity of the inner nozzle is connected with the water outlet of the water faucet through an adapter assembly, the adapter assembly comprises an adapter and a connector for connecting with the water outlet of the water faucet, the adapter is sleeved outside the inner nozzle, and the connector is sleeved outside the adapter; the adapter assembly further comprises a flat gasket, and the flat gasket is arranged on the upper end face of the inner nozzle.

Technical Field

The invention relates to the technical field of faucet accessories, in particular to a faucet water saver with two water outlet modes for switching.

Background

The water saving device is mainly installed at the position of a water outlet hole of a water faucet, and the water flow area of water discharged by the water faucet is reduced through a throttling hole (a water outlet hole of a shower head or a water spraying outlet hole) on the water saving device so as to achieve the purpose of water saving.

Although the current water saving device of the water faucet can realize the switching between the spraying water and the shower water, the following obvious disadvantages exist:

firstly, shower can be closed completely in the spray mode, and spray water can not be closed in the spray mode (only can realize the switching between spray water + shower water and spray water), namely spray water exists all the time in the above two modes, or certain waste phenomenon can exist, for example, PCT international application No. is: PCT/US2017/015004, domestic bulletin number: CN108495715(A) water-saving nozzle capable of being mounted on a water tap;

secondly, the outer nozzle can be unscrewed and separated from the inner nozzle through rotation, namely, the outer nozzle and the inner nozzle can be thoroughly separated through unidirectional rotation of the outer nozzle by a consumer, and the user experience is very poor.

In view of the above, the present inventors have specially designed a water saving device for a faucet with two water outlet modes for switching.

Disclosure of Invention

In order to solve the problems, the technical scheme of the invention is as follows:

a water saving device of a water tap with two water outlet mode switching is connected with a water outlet of the water tap and comprises an outer nozzle, an inner nozzle, a water seal ring of the shower head and a screw rod, wherein the outer nozzle is sleeved outside the inner nozzle and is in threaded connection with the inner nozzle, an inner cavity communicated with the water outlet of the water tap is arranged in the inner nozzle, the side wall of the inner cavity is provided with a water inlet hole of the shower head, the bottom of the inner cavity is provided with a water inlet hole of spray water, the inner side wall of the outer nozzle is provided with a first water sealing surface, the water seal ring of the shower head is sleeved outside the inner nozzle, the inner nozzle is provided with a limit ring, a guide rod, a water seal ring of the spray water and an elastic piece, the water channel of the shower head and the water channel of the spray water are arranged in the bottom of the water channel of, the utility model discloses a spray water seal ring, including guide arm, elastic component, guide arm, seal receptacle, spray water inlet hole, guide arm, limiting ring centre bore, sliding connection, lower extreme, spray water seal ring cover are located on the guide arm, and are located the seal receptacle below, the elastic component upper end is supported and is leaned on terminal surface under the limiting ring, and the lower extreme supports and lean on in the seal receptacle up end, the elastic component is compression state.

Further, a second water sealing surface is arranged at the bottom of the inner cavity of the inner nozzle;

the outer nozzle is rotated in a single direction and rotated to the bottom, the sprinkler water sealing ring abuts against the first water sealing surface, the sprinkler water channel is cut off, the sprinkler water sealing ring is far away from the second water sealing surface, the sprinkler water channel is opened, and the water is sprayed out;

the outer nozzle of opposite direction rotation and rotatory end of arriving, first surface of water sealing is kept away from to gondola water faucet water-stop seal, the spraying water-stop seal supports under the elastic component and leans on in the second surface of water sealing, cuts off the spray water passageway, realizes that gondola water faucet goes out water, and is concrete, outer nozzle downstream, and first surface of water sealing is kept away from to gondola water faucet water-stop seal, and gondola water faucet water is opened, and when outer nozzle downstream, the protruding unable action in the guide arm bottom of hob upper end hob, guide arm and spraying water sealing washer downstream under spring (release elastic potential energy) effect this moment, and spraying water sealing washer supports and leans on in the second surface of water sealing, and spraying water closes completely.

Furthermore, the outer side of the upper end of the outer nozzle is also sleeved with a limiting snap ring used for limiting the inner nozzle in the outer nozzle, the limiting snap ring is sleeved on the outer side of the upper end of the outer nozzle, the inner nozzle is limited in the outer nozzle to move up and down, the outer nozzle and the inner nozzle can be prevented from being detached by a user, and the inner nozzle and the outer nozzle cannot be separated by rotation in any direction.

Further, set up the ladder through-hole in the spacing snap ring, include first ladder hole and second ladder hole in proper order, and first ladder hole internal diameter is less than second ladder hole internal diameter, set up limit structure between first ladder hole and the interior nozzle, set up fixed knot between second ladder hole and the outer nozzle and construct.

Furthermore, limit structure is including setting up in the first annular step of inner nozzle lateral wall and setting up in the downthehole lateral wall of the first step of spacing snap ring and with a plurality of spacing bosss of first annular step complex.

Furthermore, fixed knot constructs including setting up in a plurality of second bosss of outer nozzle lateral wall and setting up in the downthehole lateral wall of second step and with a plurality of square through-hole of second boss complex.

Furthermore, the limiting ring is provided with a water hole and a central hole for guiding the guide rod, and the elastic part is a spring.

Furthermore, the guide rod and the spraying water sealing ring are of an integrally formed structure or a split type assembly structure.

Further, the outer nozzle is made of metal or plastic.

Further, a handle is sleeved on the outer side of the outer nozzle and drives the outer nozzle to rotate;

furthermore, a filter screen is arranged at a water inlet of the inner cavity of the inner nozzle; the interior nozzle outside just is located gondola water faucet water-stop seal ring upper end cover and establishes first sealing washer, and the second sealing washer is established to gondola water faucet water-stop seal ring lower pot head, first sealing washer and gondola water faucet water-stop seal ring are located between the inside wall of outer nozzle and the lateral wall of interior nozzle, the second sealing washer is located between interior nozzle lateral wall and the spray water passageway inside wall.

Furthermore, the inner cavity of the inner nozzle is connected with the water outlet of the water faucet through a switching assembly, the switching assembly comprises an adapter and a connector used for being connected with the water outlet of the water faucet, the outer side of the inner nozzle is sleeved with the adapter, and the outer side of the adapter is sleeved with the connector.

Further, the adapter assembly further comprises a flat gasket, and the flat gasket is arranged on the upper end face of the inner nozzle.

According to the water saving device, the limiting ring, the guide rod, the spray water sealing ring and the elastic piece are arranged in the inner cavity of the inner nozzle, when the outer nozzle is rotated in a single direction and rotated to the bottom, the shower water sealing ring abuts against the first water sealing surface, the shower water channel is cut off, the spray water sealing ring is far away from the second water sealing surface, and the spray water channel is opened to realize water outlet of spray water; when the outer nozzle of the rotation in the opposite direction and the rotation to the end, the shower head water seal ring is kept away from the first water sealing surface, and the spray water seal ring is abutted against the second water sealing surface under the action of the elastic piece, so that the spray water channel is cut off, the shower head water is discharged, the shower head water and the spray water are completely separated in two water discharge modes, the waste of water resources is avoided, and the energy-saving policy is met.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Wherein:

FIG. 1 is a schematic structural view of a water saver for a faucet according to the present invention;

FIG. 2 is a sectional view showing a state in which water is sprayed by the water saver of the faucet of the present invention;

FIG. 3 is a cross-sectional view showing the state of shower water in the water saver of the faucet of the present invention;

FIG. 4 is a partial exploded view of the faucet water saver of the present invention (illustrating the connection of the outer spout to the retaining snap ring);

FIG. 5 is a rotational cross-sectional view of the present invention (illustrating the connection of the outer nozzle to the retaining snap ring and the inner nozzle to the retaining snap ring);

FIG. 6 is an exploded view of the faucet water saver of the present invention in use;

fig. 7 is a sectional view of the water saver for a faucet of the present invention in use.

Description of reference numerals:

10-outer nozzle, 11-shower water channel, 12-spray water channel, 13-first water-sealing surface, 14-second boss, 20-inner nozzle, 21-inner chamber, 22-shower water inlet hole, 23-spray water inlet hole, 24-second water-sealing surface, 25-first annular step, 30-screw, 31-screw boss, 40-shower water-sealing ring, 50-limit ring, 51-water passing hole, 60-elastic member, 70-guide rod, 71-sealing seat, 80-spray water-sealing ring, 90-limit snap ring, 91-stepped through hole, 911-first stepped hole, 912-second stepped hole, 92-limit boss, 93-square through hole, 100-adapter component, 101-adapter, 102-connector, 102a-M24 joint, 102b-M22 joint, 103-plain washer, 110-first seal ring, 120-second seal ring, 130-filter mesh, 140-handle.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, a water saving device for a faucet with two water outlet modes switching function, which is connected to a water outlet of the faucet, includes an outer nozzle 10, an inner nozzle 20, a water sealing ring 40 of the faucet, and a screw rod 30, wherein the outer nozzle 10 is sleeved outside the inner nozzle 20 and is in threaded connection with the inner nozzle 20, an inner cavity 21 communicated with the water outlet of the faucet is arranged in the inner nozzle 20, a flower spraying water inlet 22 is arranged on a side wall of the inner cavity 21, a spraying water inlet 23 is arranged at a bottom of the inner cavity 21, a first water sealing surface 13 is arranged on an inner side wall of the outer nozzle 10, the water sealing ring 40 of the faucet is sleeved outside the inner nozzle 20, a limit ring 50, a guide rod 70, the water sealing ring 80 of the sprayer and an elastic member 60 are arranged in the inner cavity of the inner nozzle 10, a shower water channel 11 and a spraying water channel 12 are arranged in the outer nozzle 10, the screw rod 30 is arranged, avoid the hob 30 to produce the skew in the use, the spacing ring 50 sets up inside the inner chamber 21, and both interference fit, including the spacing ring 50 firmly limits on the inner chamber 21 lateral wall of nozzle 20, avoid the spacing ring 50, generating deviation in the using process, specifically, arranging a limiting platform in the inner cavity 21 of the inner nozzle 20, additionally arranging a plurality of limiting ribs on the circumferential surface above the limiting platform, directly and interference-fitting the limiting ring 50 with the limiting ribs, directly placing the limiting ring 50 into the inner cavity 21 of the inner nozzle 20, enabling the outer side wall to abut against the limiting ribs and the lower end surface to abut against the limiting platform, and simply and conveniently assembling, arranging a screw rod bulge 31 at the top end of the screw rod 30, enabling the screw rod bulge to penetrate through the spray water inlet hole 23 to abut against the lower part of the guide rod 70, enabling the upper end of the guide rod 70 to penetrate through the central hole of the limiting ring,and isThe lower end of the elastic piece 60 is provided with a sealing seat 71, the spray water sealing ring 80 is sleeved on the guide rod 70 and is positioned below the sealing seat 71, the upper end of the elastic piece 60 abuts against the lower end face of the limiting ring 50, the lower end of the elastic piece 60 abuts against the upper end face of the sealing seat 71, and the elastic piece 60 is in a compressed state. The limiting ring 50 is provided with a water through hole 51, and the elastic element 60 is a spring.

The bottom of the inner cavity 21 is provided with a second water sealing surface 24; the outer nozzle 10 is rotated in a single direction and rotates to the bottom, the sprinkler water sealing ring 40 abuts against the first water sealing surface 13, the spray water sealing ring 80 is far away from the second water sealing surface 24, a spray water channel is opened, spray water is discharged, specifically, the outer nozzle 10 moves upwards until the sprinkler water sealing ring 40 completely abuts against the first water sealing surface 13, the sprinkler water is closed, when the outer nozzle 10 moves upwards, the screw rod bulge 31 at the upper end of the screw rod 30 is driven to act on the bottom of the guide rod 70, the guide rod 70 and the spray water sealing ring 80 are jacked up (namely, the guide rod 70 and the spray water sealing ring 80 are far away from the second water sealing surface 24), the elastic piece 60 is continuously compressed, elastic potential energy is stored, and spray water; the outer nozzle 10 is rotated in the opposite direction and rotated to the bottom, the shower water sealing ring 40 is far away from the first water sealing surface 13, the spray water sealing ring 80 abuts against the second water sealing surface 24, the shower water is discharged, specifically, the outer nozzle 10 moves downwards, the shower water sealing ring 40 is far away from the first water sealing surface 13, the shower water is opened, when the outer nozzle 10 moves downwards, the screw rod protrusion 31 at the upper end of the screw rod 30 cannot act on the bottom of the guide rod 70, at the moment, the guide rod 70 and the spray water sealing ring 80 move downwards under the action of the elastic piece 60 (the spring releases elastic potential energy), the spray water sealing ring 80 abuts against the second water sealing surface 24, and the spray water is completely closed. Above-mentioned rotatory outer nozzle 10 realizes gondola water faucet and spray water's complete switch, separates shower and two kinds of water modes of spray water completely, has avoided the waste of water resource, accords with energy-conserving policy.

The outer side of the upper end of the outer nozzle 10 is also sleeved with a limiting snap ring 90 for limiting the inner nozzle 20 to move up and down in the outer nozzle 10, so that a user can be prevented from detaching the outer nozzle 10 from the inner nozzle. Set up ladder through-hole 91 in the spacing snap ring 90, include first ladder hole 911 and second ladder hole 912 in proper order, and the internal diameter of first ladder hole 911 is less than the internal diameter of second ladder hole 912, set up limit structure between first ladder hole 911 and the interior nozzle 20, set up fixed knot between second ladder hole 912 and the outer nozzle 10 and construct, adopt limit structure and fixed knot to construct and can be used for restricting the rotatory angle of outer nozzle 10, cooperation gondola water faucet water-tight seal 40 supports and leans on in first surface of water 13, the up-and-down stroke H of outer nozzle 10 can effectively be controlled, can avoid outer nozzle 10 maloperation simultaneously and make outer nozzle 10 break away from interior nozzle 20, and the use effect is greatly improved. Specifically, the limiting structure comprises a first annular step 25 arranged on the outer side wall of the inner nozzle 20 and a plurality of limiting bosses 92 arranged on the inner side wall of the first stepped hole 911 and matched with the first annular step 25; the fixing structure includes a plurality of second bosses 14 disposed on the outer sidewall of the outer nozzle 10 and a plurality of square through holes 93 disposed on the inner sidewall of the second stepped hole 912 and engaged with the second bosses 14. The external diameter of first annular step 25 is greater than spacing boss 92 internal diameter, and be less than the internal diameter of first stepped hole 911, the external diameter of second boss 14 of outer nozzle 10 is greater than the internal diameter of second stepped hole 912, during the installation, earlier pass ladder through-hole 91 with interior nozzle 20 lower extreme, when first annular step 25 runs into spacing boss 92 upper end, hard impressing can, simultaneously for the convenience of impressing, set up the chamfer on spacing boss 92, then with outer nozzle 10 and interior nozzle 20 threaded connection, reach a definite position, use external force to impress second boss 14 in square through hole 93 can, simultaneously for the convenience of impressing, set up the chamfer on second boss 14 upper end, and the quantity of second boss 14 and square through hole 93 of this embodiment adopts four can.

The guide rod 70 and the spray water sealing ring 80 can be manufactured by the following two methods:

firstly, the guide rod 70 and the spray water seal ring 80 are of a split structure, the guide rod 70 and the spray water seal ring 80 are assembled in an assembling mode, and preferably, an annular step for limiting the spray water seal ring 80 is arranged on the guide rod 70 and below the spray water seal ring 80, so that the cost is low;

secondly, guide arm 70 and spraying water sealing washer 80 formula forming structure as an organic whole directly utilize the shaping of liquid silica gel double-colored injection molding machine, adopt this scheme, sealed effectual, certainly are not limited to this forming technology.

The upper end and the lower end of the outer side of the inner nozzle 20 are respectively sleeved with a first sealing ring 110 and a second sealing ring 120, the first sealing ring 110 is positioned between the inner side wall of the outer nozzle 10 and the outer side wall of the inner nozzle 20, and the second sealing ring 120 is positioned between the outer side wall of the inner nozzle 20 and the inner side wall of the spray water channel 12, so that a good sealing effect can be achieved.

Referring to fig. 6 to 7, the water saving device of the faucet of the present invention is used with conventional components, such as: the handle 140 is sleeved outside the outer nozzle 10, and the handle 140 is rotated to drive the outer nozzle 10 to rotate, wherein the handle 140, the switching assembly 100, the filter screen 130 and the like are arranged on the outer side of the outer nozzle 10; the opening of the inner cavity 21 of the inner nozzle 20 is provided with the filter screen 130 for filtering water impurities, so that the parts in the water economizer are protected, and the service life is prolonged; the inner cavity 21 of the inner nozzle 20 is connected with the water outlet of the faucet through the adapter assembly 100, the adapter assembly 100 comprises an adapter 101 and a connector 102 for connecting with the water outlet of the faucet, the adapter 101 is sleeved outside the inner nozzle 20, the connector 102 is sleeved outside the adapter 101, the adapter assembly 100 further comprises a flat gasket 103, and the flat gasket 103 is arranged on the upper end surface of the inner nozzle 20. In which different sizes of faucets can be adapted by using the adapter 101, the connector 102 of the present embodiment may employ an M22 fitting 102b (male screw) or an M24 fitting 102a (female screw) or other existing connector 102, and the upper end of the inner spout 20 may be restrained within the connector 102 together with the adapter 101 by a flat washer 103 when the connector 102 is connected to the faucet spout.

In conclusion, the water saving device provided by the invention has the advantages that the inner cavity of the inner nozzle is provided with the limiting ring, the guide rod, the spray water sealing ring and the elastic piece, when the outer nozzle is rotated in one direction and rotated to the bottom, the shower water sealing ring is abutted against the first water sealing surface, the shower water channel is cut off, the spray water sealing ring is far away from the second water sealing surface, and the spray water channel is opened to realize water outlet of spray water; when the outer nozzle is rotated in the opposite direction and rotated to the bottom, the water sealing ring of the shower head is far away from the first water sealing surface, the water sealing ring of the spray head abuts against the second water sealing surface under the action of the elastic piece, the spray water channel is cut off, the water outlet of the shower head is realized, the two water outlet modes of the shower head and the spray water are completely separated, the waste of water resources is avoided, and the energy-saving policy is met; furthermore, establish spacing snap ring through the cover in outer nozzle upper end outside, reciprocate in outer nozzle with interior nozzle restriction, can prevent that the user from dismantling outer nozzle and interior nozzle, user experience is effectual.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.