CN214262376U

CN214262376U - Single-key switching pull head

Info

Publication number: CN214262376U
Application number: CN202022095435.2U
Authority: CN
Inventors: 张煌强
Original assignee: Runner Xiamen Corp
Current assignee: Runner Xiamen Corp
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-09-24
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a single-key switching pull head, which comprises a water channel body, a switching component and a water diversion component, wherein the water channel body is internally provided with a water passing channel and a water diversion cavity, the water channel body is provided with a first water outlet and a second water outlet, and a first sealing surface and a second sealing surface are arranged in the water diversion cavity; the water diversion sealing element of the water diversion assembly is selectively in sealing fit with one of the first sealing surface or the second sealing surface; the switching component comprises a driving key, a swinging piece and an auxiliary elastic piece, the driving key is provided with a first driving surface and a second driving surface which are arranged in a staggered mode, the swinging piece is connected with the water distribution component and can wind the water distribution component to rotate, the swinging piece is provided with a first driven surface and a second driven surface, and an elastic arm of the auxiliary elastic piece can push the swinging piece to rotate around the water distribution component. The drawing head can realize the function of switching a single key and automatically switching to default water type, is convenient to use and has better experience.

Description

Single-key switching pull head

Technical Field

The utility model relates to a pull head is taken out in single bond switching.

Background

The water type switching of the pull head of the existing kitchen faucet is mainly common in a seesaw mode, and a part of single key mode exists, but the defects exist in the prior art, firstly, the seesaw takes two ends as pressing areas, and the water type is switched in a lever mode, so that the size of a seesaw button is larger than that of a single key mode, the appearance is not good, moreover, when the seesaw mode is operated, a user needs to clearly see which end needs to be pressed, and the convenience is poor; secondly, although the existing water outlet device switched by a single key can realize the basic single key switching function, the water type cannot be defaulted because the switching is carried out by adopting a ball pen ratchet or a heart-shaped ratchet, namely the function of switching to the default common water type after water is turned off and then boiled water is not realized.

The pull head of current kitchen pull tap mainly has two kinds of basic water types, a gentle water, a gondola water faucet, gentle water is used because soft gentle very suitable conventional washing of body is felt to its water conservation and body, be the most basic water type of kitchen tap, and gondola water faucet is consequently applicable to the occasion of washing because its impact force high impact range is big, two kinds of water types all have the use scene of oneself in daily life, need switch between two kinds of water types from time to time, but gentle water is as the water type of a relative high frequency, can be used soft water when needing to guarantee that the highest frequency opens the tap, consequently need research and develop one kind of pull overhead can realize that single key switching has the function that possesses acquiescent water type again, can compromise aesthetic property and practicality simultaneously.

Disclosure of Invention

In order to solve the technical problem, an object of the utility model is to provide a pull head is switched in single bond.

The utility model discloses a following technical scheme realizes: a single-key switching pull head comprises a water channel body, a switching assembly and a water distribution assembly, wherein a water channel and a water distribution cavity are arranged in the water channel body, the water channel body is provided with a first water outlet and a second water outlet, and a first sealing surface and a second sealing surface are arranged in the water distribution cavity; the water distribution assembly is driven by the switching assembly to axially move and is provided with a water distribution sealing piece, and the water distribution sealing piece is selectively in sealing fit with one of the first sealing surface or the second sealing surface; the switching component comprises a driving key, a swinging piece and an auxiliary elastic piece, the driving key is provided with a first driving surface and a second driving surface, the first driving surface and the second driving surface are arranged in a staggered mode, the swinging piece is connected with the water distribution component and can rotate around the water distribution component, the swinging piece is provided with a first driven surface and a second driven surface, the auxiliary elastic piece is provided with an elastic arm, and the elastic arm can push the swinging piece to rotate around the water distribution component.

Preferably, the water diversion assembly comprises a water diversion end cover and a water diversion valve rod, the water diversion end cover is provided with a water passing port, the water passing port is communicated with the first water outlet, and the water diversion end cover is connected with the water channel body to form the water diversion cavity; one end of the water distribution valve rod is connected with the swinging piece, the other end of the water distribution valve rod is provided with the water distribution sealing piece, and the water distribution sealing piece extends into the water distribution cavity.

Preferably, the first sealing surface is located on the water diversion end cap; the second sealing surface is located on the waterway body, and the second sealing surface is located between the first sealing surface and the second water outlet.

Preferably, a return spring is further arranged between the end face of the water distribution valve rod and the water distribution end cover.

Preferably, the periphery of the water channel body is further provided with a positioning groove, and the driving key is installed in the positioning groove.

Preferably, the periphery of the water channel body is provided with two limiting plates which are oppositely arranged, and the swinging piece is positioned between the two limiting plates.

Preferably, the front and rear end faces of the swinging member are respectively provided with a first projection and a second projection, the first or second projection can compress the elastic arm of the auxiliary elastic member in the moving process of the swinging member, and the first projection and the second projection are arranged in a staggered manner.

Preferably, the number of the auxiliary elastic pieces is two, the auxiliary elastic pieces are fixedly installed on the water channel body, each auxiliary elastic piece consists of a compression spring and an elastic arm, and one end of each compression spring abuts against the corresponding driving key.

Preferably, the effective bearing areas of the water flows on the two sides of the water diversion sealing element are different.

Preferably, the water channel further comprises a water outlet cover, the water channel body is arranged in the shell, and the water outlet cover comprises two chambers which are respectively communicated with the first water outlet and the second water outlet.

The utility model discloses a pull head that this kind of single bond switches can enough realize that single button switches and can automatic switch-over to the function of acquiescence water type again, and the user only need press once can realize once switching, and has the function of acquiescence water type, can let the water shape that the user high frequency used need not frequent switching, convenient to use, experience better. Compared with the conventional seesaw switching mode, the single-key switching drawing head of the utility model can make the button part smaller, has more concise appearance and has the function of default water type; compare and adopt ballpoint ratchet mode or heart type ratchet mode at present, the utility model discloses a function and the acquiescence water type that the single button switches can be realized to the pull head, the utility model discloses a pull head more adds man-machine, and convenient to use, body sense are better.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a perspective view of the water passage body of the present invention.

Fig. 4 is a cross-sectional view of the waterway body of the present invention.

Fig. 5A is a perspective view of the drive key of the present invention.

Fig. 5B is a perspective view of the drive key according to another aspect of the present invention.

Fig. 6 is a plan view of the drive key of the present invention viewed from below.

Fig. 7 is a perspective view of the swing member of the present invention.

Figure 8A is a side plan view of the pendulum of the present invention.

Figure 8B is a plan view of the top orientation of the pendulum of the present invention.

Fig. 9 is a plan view of two auxiliary elastic members according to the present invention.

Fig. 10 is a perspective view of one of the auxiliary elastic members of the present invention.

Fig. 11 is a perspective view of the water distributing valve rod of the present invention.

Figure 12 is a cross-sectional view of the diverter valve stem of the present invention.

Fig. 13 is a sectional view of the present invention.

Fig. 14A is a schematic view of the water path in the initial state of the present invention.

Fig. 14B is a schematic view of the water path in the first pressing state of the present invention.

Fig. 14C is a schematic view of the water path in the external force canceling state of the present invention.

Fig. 14D is a schematic view of the water path in the water-cut state of the present invention.

Fig. 14E is a schematic view of the water path in the second pressing state of the present invention.

Fig. 14F is a schematic view of the water path in the external force canceling state according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to the attached drawings 1 to 14A to 14F of the specification, a single-key switching pull head comprises a shell 1, a water channel body 2, a switching assembly 3, a water distribution assembly 4 and a water outlet cover 5, wherein the water channel body 2 is arranged in the shell 1, and the water outlet cover 5 is connected with the shell 1; the single-key switching structure can be applied to the structure of the pull head, and realizes the function of switching the single key and automatically switching to default water type when water is shut down.

Water channel body 2

Referring to fig. 3 and fig. 4, the water channel body 2 is provided with a first water outlet 21 and a second water outlet 22, and the water channel body 2 is provided therein with a water channel 20 and a water diversion cavity 23, and the first water outlet 21 and the second water outlet 22 are arranged corresponding to the water diversion cavity 23; a water inlet b is arranged between the water diversion cavity 23 and the water passing channel 20, the water paths of the water diversion cavity 23 and the water passing channel are communicated through the water inlet b, one end of the water diversion cavity 23 is connected with the water diversion end cover 41, and the other end of the water diversion cavity 23 is connected with the water diversion valve rod 42. Furthermore, the periphery of the water channel body 2 is also provided with a positioning groove 24 and a limiting plate 26, and the driving key 32 is arranged in the positioning groove 24, so that the driving key is limited to linearly move relative to the water channel body, and the working reliability of the water channel body is ensured; the limiting plate 26 is used for limiting the range of the rotation angle of the oscillating member 33 relative to the axis of the movable rod, so as to limit the oscillation angle of the oscillating member 33 within a certain range, and the limiting plate can be directly connected with the positioning groove into a whole.

Switching assembly 3

Referring to fig. 5A to 5B to 10, the switching member 3 includes a key cap 31, a driving key 32, a swinging member 33 and an auxiliary elastic member 34, the driving key 32 is installed in the positioning groove 24 of the waterway body, the driving key 32 is connected with the key cap 31, and the bottom end of the drive key 32 is provided with a first drive surface 32a and a second drive surface 32b, the first and second drive faces 32a, 32B are offset from one another and, in a preferred embodiment, with reference to figures 5A-5B and 6, the first driving surface 32a or the second driving surface 32b is an inclined surface, the first driving surface 32a and the second driving surface 32b are distributed on two opposite sides of the bottom end of the driving key, and first driving surface 32a and second driving surface 32b are inclined with respect to the central axis direction of the driving key, that is, the inclined surfaces of the first driving surface 32a and the second driving surface 32b are disposed to face each other. Further, the driving key 32 includes a left arm 32c and a right arm 32d, which can interact with the auxiliary elastic member to provide a certain power for the driving key to return to the initial position.

The upper end of the swinging member 33 is provided with a first driven surface 33a and a second driven surface 33b, wherein the first driven surface 33a and the first driving surface 32a are mutually matched and driven, the second driven surface 33b and the second driving surface 32b are mutually matched and driven, namely, the swinging member 33 and the driving key 32 form two groups of mutually corresponding driving relations, and only one driving surface can drive the corresponding driven surface in the process that the driving key 32 drives the swinging member 33 to move, and the driving relation is considered to be effective; the lower end of the swinging member 33 is provided with a pivot hole e, the swinging member 33 is movably engaged with the movable rod 42a, the swinging member 33 is restricted from moving axially relative to the movable rod 42a, but the swinging member 22 can rotate relative to the movable rod 42a, and the driving key 32 drives the swinging member 33 to move so as to realize the movement of the movable rod. Furthermore, the front end face and the rear end face of the swinging member 33 are respectively provided with a first lug 33c and a second lug 33d, the first lug 33c and the second lug 33d are arranged in a staggered manner, and the lugs are used for enabling one lug to move towards the lug in the moving process of the swinging memberElastic arm 34bThe application of pressure causesElastic hair-pinAnd the elastic arm 34b is elastically deformed and always contacted with the deformed elastic arm in the process of recovering the original shape after the external driving force disappears, so that the swinging piece rotates relative to the axis of the movable rod.

Referring to fig. 9 and 10, the number of the auxiliary elastic members 34 is two, and both of the auxiliary elastic members 34 are fixedly mounted on the waterway body 2, and the auxiliary elastic members 34 are arranged on the waterway body 2 in a staggered manner, that is, the auxiliary elastic members 34 are disposed corresponding to the positions of the protrusions. The auxiliary elastic member 34 is composed of a compression spring 34a and an elastic arm 34b, one end of the compression spring 34a is matched with the left support arm 32c or the right support arm 32d to provide a certain power for the driving key to return to the initial position, the elastic arm 34b is an extended suspension arm having a certain elasticity, the elastic arm 34b can be elastically deformed under the action of an external force, the elastic arm can be restored to the original state after the external force disappears, in the process that the swinging member 33 is driven by the driving key 32 to move, one of the elastic arms 34b can be matched with the first projection 33c or the second projection 33d to enable the elastic arm 34b to be elastically deformed, and after the external driving force disappears, the deformed elastic arm 34b is always contacted with the first projection or the second projection in the process that the swinging member is restored to the original state, so that the swinging member rotates relative to the axis of the movable rod.

Water diversion component 4

Referring to fig. 11 to 13, the water diversion assembly 4 includes a water diversion end cover 41 and a water diversion valve rod 42, the water diversion end cover 41 is connected to the water channel body 2, a first sealing ring a1 is disposed between the water diversion end cover 41 and the water channel body 2, the water diversion end cover 41 is matched with the water channel body 2 to form the water diversion cavity 23, the water passing port 4a of the water diversion end cover 41 is communicated with the first water outlet 21, and the connecting rod 4b is connected to the water diversion valve rod 42; in addition, the water diversion end cap 41 further has a first sealing surface p1, the first sealing surface p1 is located in the water diversion cavity 23, the water diversion cavity 23 further has a second sealing surface p2, and the second sealing surface p2 is located on the waterway body 2 and between the first sealing surface p1 and the second water outlet 22. The water diversion valve rod 42 comprises a movable rod 42a and a water diversion sealing piece 42b, the movable rod 42a can penetrate through a pivoting hole e of the swinging piece to be connected with the swinging piece, wherein a positioning piece 42c is further arranged on the movable rod 42a, after the movable rod 42a is connected with the pivoting hole e, the positioning piece 42a can be matched with the pivoting hole e to position the swinging piece 33 at a certain position, the swinging piece is prevented from axially moving relative to the movable rod 42a, meanwhile, the swinging piece 33 can swing relative to the movable rod 42a, and the working reliability of a product is ensured; one end of the movable rod 42a is provided with a piston q1, the water diversion sealing element 42b is formed by sleeving a sealing element q2 on the piston q1, the effective bearing areas s1 and s2 of the two sides of the water diversion sealing element 42 in water flow are different, so that pressure difference is formed, and the water diversion valve rod can be kept at a certain position; the piston q1 is provided with a through hole q3 at the middle thereof, the connecting rod 4b is connected with the shunt valve rod 42 through the through hole q3, and the shunt valve rod 42 can move axially along the connecting rod 4b, so that the water passage 20 is communicated with one of the first water outlet 21 and the second water outlet 22.

Preferably, a sealing member f is further disposed between the water diversion valve rod 42 and the water channel body 2 to ensure the sealing performance therebetween and prevent water leakage.

Further, a return spring 6 is arranged between the end face of the shunt valve rod 42 and the shunt end cover 41, and the return spring can enable the shunt valve rod to be kept at a default position under a low water pressure or no water pressure state, even if the shunt water sealing piece can be in contact with the second sealing surface to block the communication between the second water outlet and the water passing channel.

Water outlet cover 5

The water outlet cover 5 comprises two chambers, one of the two chambers is communicated with the first water outlet 21, the other chamber is communicated with the second water outlet 22, and the two chambers respectively correspond to different water outlet modes, such as a soft water outlet mode and a shower water outlet mode, so that different water outlet scenes of the drawing head can be met.

The operation of the single-button switching pull head of the present invention will be described with reference to fig. 14A to 14F. Referring to fig. 14A, after water is supplied in an initial state, under the elastic force of the return spring 6, the water distribution sealing member 42b of the water distribution valve rod 42 is in contact sealing with the second sealing surface p2, that is, the water distribution valve rod 42 is in the second position, at this time, the first water outlet 21 is communicated with the water supply channel 20, water flows from the first water outlet 21 through the water supply port 4A of the water distribution end cover, and then flows into one of the chambers of the water outlet cover 5, and then water is supplied to a user, for example, the water outlet mode is soft water outlet. Referring to fig. 14B, when an external force is pressed for the first time to act on the driving key 32, the first driving surface 32a at the bottom end of the driving key drives the first driven surface 33a of the swing member, and then the swing member 33 drives the diversion valve rod 42 to move forward until the diversion sealing member 42B contacts with the first sealing surface p1, and the diversion valve rod 42 moves from the second position to the first position, at this time, the communication between the water passage 20 and the first water outlet 21 is blocked, and the second water outlet 22 is communicated with the water passage 20, because the effective bearing areas s1 and s2 of the diversion valve rod 42 are different, a water pressure difference is generated, so that the water diversion valve rod 42 can be kept at the first position, and the first projection 33c of the swing member can compress the elastic arm 34B of one of the auxiliary elastic members, so that the elastic arm is deformed to a certain extent. Referring to fig. 14C, when the external force is removed, the driving key 32 returns to the initial position under the action of the compression spring 34a, the swinging member 33 rotates under the action of the compressed elastic arm 34b until the swinging member 33 is limited by the limit plate 26 of the waterway body, at this time, the shunt valve rod 42 is still at the first position under the action of the water pressure difference, and at this time, the effective driving relationship is converted from the matching relationship between the first driving surface 32a and the first driven surface 33a to the matching relationship between the second driving surface 32b and the second driven surface 33 b. If water is suddenly cut off, referring to fig. 14D, the water diversion valve rod 42 moves to the second position again under the action of the return spring 6, at this time, the first water outlet 21 and the water passing channel 20 are conducted again, the conduction of the second water outlet 22 and the water passing channel is blocked, the drawing head is still in the state of water outlet of the first water outlet 21 when the user uses water next time, at this time, the swinging member 33 automatically rotates under the action of the elastic arm 34b until the swinging member leans against the limiting plate 26, and at this time, the first driving surface 32a and the first driven surface 33a are in an effective driving relationship, so that preparation can be made for next switching of the drawing head; if the drawing head normally discharges water and no water cut-off occurs, referring to fig. 14E, after the user presses the driving key 32 for the second time, the second driving surface 32b at the bottom end of the driving key drives the second driven surface 33b, the diversion valve rod 42 moves backward until the diversion sealing member 42b contacts with the second sealing surface p2, at this time, the first water outlet 21 is communicated with the water passing channel 20, the diversion valve rod 42 is at the second position, the diversion valve rod 42 can be kept at the second position due to the pressure difference between the two sides of the diversion valve rod 42 and the action of the return spring 6, and at this time, the second projection 33d can compress the elastic arm 34b of the other auxiliary elastic member to deform the elastic arm; referring to fig. 14F, when the external force is removed, the driving key 32 returns to the initial position under the action of the compression spring 34a, the swinging member 33 rotates under the action of the compressed elastic arm 34b until abutting against the limit plate 26, and the shunt valve rod 42 is still at the second position, and the effective driving relationship at this moment is converted from the matching relationship of the second driving surface 32b and the second driven surface 33b into the matching relationship of the first driving surface 32a and the first driven surface 33 a. According to the working mode, the single-key pull head disclosed by the invention can realize the requirement of switching different water ways by using a single key through mutual conversion among different groups of effective driving relations, and can meet the requirement of automatically switching the water way to a default common water outlet way after the pull head stops water outlet; therefore, the single-key switching drawing head can realize the functions of single-key switching and automatic switching to the default water type, a user can realize one-time switching only by pressing once, and the drawing head has the function of the default water type, can ensure that the water shape used by the user at high frequency does not need to be frequently switched, and has convenient use and better experience.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The single-key switching pull head is characterized by comprising a water channel body, a switching assembly and a water dividing assembly, wherein a water channel and a water dividing cavity are arranged in the water channel body, the water channel body is provided with a first water outlet and a second water outlet, and a first sealing surface and a second sealing surface are arranged in the water dividing cavity; the water distribution assembly is driven by the switching assembly to axially move and is provided with a water distribution sealing piece, and the water distribution sealing piece is selectively in sealing fit with one of the first sealing surface or the second sealing surface; the switching component comprises a driving key, a swinging piece and an auxiliary elastic piece, the driving key is provided with a first driving surface and a second driving surface, the first driving surface and the second driving surface are arranged in a staggered mode, the swinging piece is connected with the water distribution component and can rotate around the water distribution component, the swinging piece is provided with a first driven surface and a second driven surface, the auxiliary elastic piece is provided with an elastic arm, and the elastic arm can push the swinging piece to rotate around the water distribution component.

2. The single-key switching pull head according to claim 1, wherein the water diversion assembly comprises a water diversion end cover and a water diversion valve rod, the water diversion end cover is provided with a water passing opening, the water passing opening is communicated with the first water outlet, and the water diversion end cover is connected with the water channel body to form the water diversion cavity; one end of the water distribution valve rod is connected with the swinging piece, the other end of the water distribution valve rod is provided with the water distribution sealing piece, and the water distribution sealing piece extends into the water distribution cavity.

3. The single-key switching pull head of claim 2, wherein the first sealing surface is located on the dispensing end cap; the second sealing surface is located on the waterway body, and the second sealing surface is located between the first sealing surface and the second water outlet.

4. The single-key switching pull head according to claim 2, wherein a return spring is further arranged between the end surface of the water diversion valve rod and the water diversion end cover.

5. The single-key switching pull head according to claim 1, wherein a positioning groove is further provided on an outer periphery of the water channel body, and the driving key is installed in the positioning groove.

6. The single-key switching pull head according to claim 1, wherein the outer periphery of the waterway body has two opposite limiting plates, and the oscillating member is located between the two limiting plates.

7. The single-key switching pull head according to claim 1, wherein the front and rear end surfaces of the swing member are respectively provided with a first protrusion and a second protrusion, the first protrusion or the second protrusion can compress the elastic arm of the auxiliary elastic member during the movement of the swing member, and the first protrusion and the second protrusion are arranged in a staggered manner.

8. The single-key switching pull head according to claim 1, wherein the number of the auxiliary elastic members is two, and each of the auxiliary elastic members is fixedly installed on the waterway body, the auxiliary elastic member is composed of a compression spring and the elastic arm, and one end of the compression spring abuts against the driving key.

9. The single-key switching pull head according to claim 1, wherein effective bearing areas of water flows on two sides of the water diversion sealing member are different.

10. The single-key switching pull head according to claim 1, further comprising a water outlet cover, wherein the water channel body is disposed in the housing, and the water outlet cover comprises two chambers respectively communicating with the first water outlet and the second water outlet.