Multifunctional drawing head

Abstract

The utility model discloses a multifunctional drawing head which comprises a water channel body and a water distribution disc and further comprises a rotary drum capable of being matched with the water channel body, and the rotary drum and the water distribution disc can rotate synchronously. The rotary drum can rotate relative to the water channel body, and water flow in the water channel body can impact the rotary drum, so that the rotary drum performs first axial movement relative to the water channel body; the rotary drum is further provided with a reset spring and a guide face, the rotary drum is provided with a guide block capable of being matched with the guide face, when no water flow exists in the water channel body, the reset spring can drive the rotary drum to move in the second axial direction, and under the action of the guide block and the guide face, the rotary drum is driven to move in the second axial direction. The rotary drum can always restore to the initial position of the water channel body; the multi-functional switching device can be used in a multi-functional switching product, and water can be turned off to reset to default water spray.

Description

TECHNICAL FIELD

[0001] The utility model relates to a multifunctional pull head. BACKGROUND

[0002] At present, most of the multifunctional switching structures on the market adopt two ways, the first way is rotary switching, this kind of structure cannot make the product automatically reset to the default water spray after each time of water closing, which brings inconvenience to consumers, and when there are more than three water sprays, because it is a rotary switching mode, when switching to the previous water spray, it needs a round to switch successfully, and at this time, if the consumer presses too fast, it is easy to miss the desired water spray again, which brings a bad experience to the consumer, the second way is multiple switching keys switching, this kind of structure has many keys, the appearance is limited and inconvenient to hold, needs to teach consumers to use, the structure is complex, has many parts and is high in cost. SUMMARY

[0003] In order to solve the above technical problems, the utility model aims at providing a multifunctional pull head.

[0004] The utility model discloses a technical scheme as follows:

[0005] A multifunctional pull head, including water channel body and water distribution disc, still including the rotating cylinder that can cooperate with water channel body, the rotating cylinder can keep with water distribution disc synchronous rotation, the rotating cylinder can rotate relative to water channel body, the water flow in water channel body can impact the rotating cylinder, make the rotating cylinder relative water channel body carry out first axial movement, still be provided with return spring on the rotating cylinder, still include the guide surface, be provided with the guide block that can cooperate with the guide surface on the rotating cylinder, when there is no water flow in water channel body, the return spring can drive the rotating cylinder to carry out second axial movement, and under the action of guide block and guide surface, the rotating cylinder can always restore to the initial position with water channel body, first axial direction is opposite with second axial direction.

[0006] In the utility model embodiment, the water inlet pipe is arranged in the water channel body, one end of the rotating cylinder is sleeved outside the periphery of the water inlet pipe, the water outlet end of the water inlet pipe is provided with a guide surface, a guide block is arranged in the rotating cylinder, the guide block can make the rotating cylinder move and rotate in the axial direction along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating cylinder returns to the initial state relative to the water channel body.

[0007] In the utility model embodiment, a connecting block is arranged in one end of the rotating cylinder, the water flow can impact the connecting block to drive the rotating cylinder to move in the first axial direction, a water passage is formed between the connecting block and the inner wall of the rotating cylinder, a first sealing ring is arranged between the rotating cylinder and the inner wall of the water channel body, so that the water flow of the water inlet pipe flows to the other end of the rotating cylinder through the water passage.

[0008] The utility model discloses a water distribution plate is arranged on the water distribution rod, and the water distribution rod can be inserted in the inside of the other end of the rotary drum, and the second sealing ring is arranged between the inside of the other end of the rotary drum and the outer periphery of the water distribution rod, and the rib is arranged on the inner periphery of the other end of the rotary drum, and the groove that can cooperate with the rib is arranged on the outer periphery of the water distribution rod, and the water outlet is arranged in the water distribution rod and can be communicated with the water channel.

[0009] The utility model discloses a water outlet assembly, and the water outlet assembly and the water channel body form the water distribution cavity, and one end of the water distribution rod and the water distribution plate are located in the water distribution cavity, and the one end of the water distribution rod is provided with the water outlet that can be communicated with the water outlet, and the water flow can flow to the water distribution cavity through the water outlet and the water outlet, and the water distribution plate is provided with the water distribution outlet, and the rear end surface of the water outlet assembly is provided with a plurality of water inlets that can be communicated with the water distribution outlet, and the rear end surface of the water outlet assembly and the water distribution plate are provided with the sealing washer.

[0010] The utility model discloses a shell, and the water outlet assembly and the water channel body are arranged in the shell, and the reset spring is located between the water channel body and the other end of the rotary drum.

[0011] The utility model discloses a rotary drum outer periphery is provided with first ratchet set and second ratchet set along its axis in proper order, and the drive direction of first ratchet set and second ratchet set is opposite, and still includes first button and second button, when the water channel body is water, first button can cooperate after with first ratchet set and drive rotary drum rotation, second button can cooperate after with second ratchet set and drive rotary drum rotation, and the direction of first button, second button mobilization rotary drum rotation is opposite.

[0012] The utility model discloses first pawl and second pawl, first button can drive first pawl and drive rotary drum to rotate, second button can drive second pawl and drive rotary drum to rotate, and the movement of rotary drum along first axial direction and second axial direction is not interfered by first pawl and second pawl.

[0013] The utility model discloses first pawl and second pawl include elastic sheet, and one end of elastic sheet is connected with water channel body, when first button and second button are pressed, the other end of elastic sheet can be connected with first ratchet set and second ratchet set, when first button and second button are not pressed, the other end of elastic sheet can be separated from first ratchet set and second ratchet set.

[0014] When the water channel body is water, first pawl and first ratchet set radially coincide, and second pawl and second ratchet set radially coincide, when the water channel body is not water, first pawl can be radially staggered with first ratchet set, and second pawl can be radially staggered with second ratchet set.

[0015] The multifunctional pull head has the following beneficial effects: the single key can be used for multifunctional switching, and the water can be turned off and reset to the default water flow; the water flow can be reciprocally switched by using two keys for the water flow with more functions, the switching efficiency is improved, the water can be turned off and reset to the default water flow, multifunctional switching, the water can be reset to the soft water every time the water is turned off, more function selection; the water pressure is used for unlocking and sealing, the structure is simplified, the cost is saved, the module design is used, the universality is high, and the green production is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the person skilled in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is the exploded view of the utility model.

[0018] Figure 2 It is the partial assembly schematic view of the waterway body in the utility model.

[0019] Figure 3 It is the schematic view when not water in the utility model.

[0020] Figure 4 It is the schematic view when water in the utility model.

[0021] Figure 5 It is the partial schematic view of the waterway body in the utility model.

[0022] Figure 6 It is the schematic view of the rotating drum in the utility model.

[0023] Figure 7 It is the schematic view of the first pawl (or the second pawl) in the utility model.

[0024] Figure 8 It is the schematic view of the water distribution disc in the utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is on, above and on of second feature includes that first feature is directly above and obliquely above of second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature is under, below and under of second feature includes that first feature is directly below and obliquely below of second feature, or only indicates that horizontal height of first feature is less than second feature.

[0030] With reference to the drawings, a multifunctional pull head includes a water channel body 10 and a water distribution disc 20, the water channel body is mainly used for water passing, then water is discharged from different water inlets of an outlet assembly through water distribution, the water distribution waterway of the outlet assembly is basically same as the prior art, which is not the technology protected by the utility model, and will not be described in detail here, and the rotating drum 30 that can be matched with the water channel body is further included, the rotating drum can move and rotate axially relative to the water channel body, the rotating drum can keep synchronous rotation with the water distribution disc, the water flow in the water channel body can impact the rotating drum, so that the rotating drum moves first axially A relative to the water channel body, the rotating drum is further provided with a reset spring 31, and a guide surface 12 is further included, the rotating drum is provided with a guide block 32 that can be matched with the guide surface, when there is no water flow in the water channel body, the reset spring can drive the rotating drum to move second axially B, and under the action of the guide block and the guide surface, the rotating drum can always return to the initial position with the water channel body, the first axial direction is opposite to the second axial direction, the initial position is the state that the guide block is located at the bottom of the guide surface, and this is also the default state of the pull head, and the water spray in the state is when water is boiled each time, because the rotating drum moves second axially when water is turned off, and also can rotate, so that the guide block can always return to the position at the bottom of the guide surface.

[0031] Preferably, the water channel body is provided with a water inlet pipe 11, one end of the rotating drum is sleeved outside the periphery of the water inlet pipe, the water outlet end of the water inlet pipe is provided with a guide surface 12 arranged along the axial direction, the rotating drum is provided with a guide block 32, the guide block can make the rotating drum move axially and rotate along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating drum returns to the initial state relative to the water channel body.

[0032] Further, the rotary drum has a connecting block 33 arranged at one end of the rotary drum, and the water flow can impact the connecting block to drive the rotary drum to move in the first axial direction; the connecting block and the inner circumferential wall of the rotary drum form a water passage 34, and the rotary drum and the inner circumferential wall of the water passage body are provided with a first sealing ring C1, so that the water flow of the water inlet pipe flows to the other end of the rotary drum through the water passage, and in use, the guide block can be arranged at the water passage.

[0033] Further, the water distribution disc is provided with a water distribution rod 21 capable of synchronous rotation, the water distribution rod can be inserted into the other end of the rotary drum, and the other end of the rotary drum and the outer circumferential wall of the water distribution rod are provided with a second sealing ring C2, so that the unity of the overall water flow can be ensured, and the phenomenon of water leakage does not occur, the inner circumferential wall of the other end of the rotary drum is provided with a rib 35, and the outer circumferential wall of the water distribution rod is provided with a groove 22 capable of cooperating with the rib, the axial movement of the rotary drum will not affect the cooperation between the rib and the groove, so that the synchronous rotation of the rotary drum, the water distribution rod and the water distribution disc can be ensured, and the water distribution rod is provided with a water outlet passage 23 capable of communicating with the other end of the rotary drum.

[0034] Preferably, the water outlet assembly 40 mainly comprises a water outlet panel, and the water outlet panel is provided with a plurality of groups of water outlet holes, each group of water outlet holes corresponds to different water splashes, and is also provided with different water distribution passages and water inlets, the water outlet assembly and the water passage body form a water distribution cavity 88, one end of the water distribution rod and the water distribution disc are located in the water distribution cavity, and one end of the water distribution rod can be inserted into the hole of the water outlet assembly, so that the water distribution disc can be kept in close cooperation with the sealing gasket, according to the drawings, the water distribution disc is not located at the end of the water distribution rod in the axial direction, one end of the water distribution rod is provided with a water outlet 24 capable of communicating with the water outlet passage, the water flow can flow to the water distribution cavity through the water outlet passage and the water outlet, the water distribution disc is provided with a water distribution inlet 25, the rear end surface of the water outlet assembly is provided with a plurality of water inlets 41 capable of communicating with the water distribution inlet, and the rear end surface of the water outlet assembly and the water distribution disc are provided with a sealing gasket C3, so that each water inlet corresponds to a water splash, and the phenomenon of water leakage does not occur.

[0035] Further, the water outlet assembly and the water passage body are arranged in the shell, and in use, the water distribution disc and the water outlet assembly can be closely cooperated by water pressure, and similarly, if the water pressure is low in some places, a compression spring 26 can be arranged between the water passage body and the water distribution disc, the compression spring can be combined with the water pressure to make the water distribution disc and the water outlet assembly closely cooperate.

[0036] The utility model discloses a first ratchet set 36 and a second ratchet set 37 are arranged along the axis of the rotating drum in sequence, the driving directions of the first ratchet set and the second ratchet set are opposite, further include first button 61 and second button 62, when the water channel body is water, the first button can drive the rotating drum to rotate after cooperation with the first ratchet set, the second button can drive the rotating drum to rotate after cooperation with the second ratchet set, the direction of the rotating drum that the first button, second button mobilize rotates is opposite, also can say: when the water is cut off, two buttons can not drive the rotating drum to rotate.

[0037] Further, further include first pawl 63 and second pawl 64, the first button can drive first pawl to drive the rotating drum to rotate, the second button can drive second pawl to drive the rotating drum to rotate, the movement of the rotating drum along the first axial direction and the second axial direction is not interfered by first pawl, second pawl, also can say, when not pressing, two pawls and two ratchet sets are separated, only when pressing can cooperate. The first pawl, second pawl include elastic sheet 60, one end of the elastic sheet is connected with the water channel body, reference drawing, can be locked on the water channel body, the other end has a cylinder 65, and the arc surface 39 on the water channel body is guided to cooperate, when the first button, second button are pressed, the other end of the elastic sheet can be connected with the first ratchet set, the second ratchet set, when the first button, second button are not pressed, the other end of the elastic sheet can be separated from the first ratchet set, the second ratchet set. When the water channel body is water, the first pawl and the first ratchet set radially coincide, the second pawl and the second ratchet set radially coincide, that is, when pressing the button, the pawl can cooperate with the ratchet set, when the water channel body is not water, the first pawl can be radially staggered with the first ratchet set, the second pawl can be radially staggered with the second ratchet set, also can say, when not water, press the button, two pawls also can not cooperate with the ratchet set, the rotating drum can not be driven to rotate by the button.

[0038] The utility model more specifically says: the multifunctional pull head is provided with a rotary drum in water channel body, the rotary drum can rotate and axial one end, the rotary drum is provided with reset spring, water distribution rod one side close to water distribution cavity, when opening water, the water pressure is greater than the elastic force of reset spring to the thrust of rotary drum, the rotary drum can remove along the water road direction under the action of water pressure, can pass through the step surface 38 of setting and limit simultaneously, the two pawls and two ratchet sets radial alignment at this time, the rotary drum can rotate under the drive of button at this time, and water distribution rod is driven to carry out water road switching, when closing water, the rotary drum can remove in reverse water road direction and reset under the action of reset spring, simultaneously drive water distribution disc, water distribution rod to carry out synchronous rotation, return to initial state, through using the rotary drum, the rotary drum is automatically unlocked by the ingenious use of water pressure, makes the rotary drum rotatable under the condition of opening water, reduces the action that the consumer needs to unlock, simplifies the structure, the inner periphery of the rotary drum one side close to water distribution cavity is equipped with the convex rib and the recess groove on water distribution rod cooperation, makes the rotary drum keep cooperation with water distribution rod when moving, the rotary drum rotation can drive water distribution rod, water distribution disc synchronous rotation, the other side of the rotary drum close to the water inlet end has the guide block, can be a spherical convex point, the water channel body has the guide surface, when opening water, the convex point is separated from the guide surface because of the water pressure displacement of the rotary drum, the guide surface can have a plurality of, also can be annularly distributed V type recess, the guide surface is arranged in the side of V type recess, the convex point is located in the bottom 13 of V type recess after resetting, makes the rotary drum not to interfere with the water channel when rotating and switching, when closing water, the reset spring pushes the rotary drum and resets displacement, the convex point slides to the lowest point along the guide surface, drives the rotary drum to rotate to the reset state, using the rotary drum reset structure, compared with the common use of torsional spring drive rotation reset has greater advantage, the product can carry out infinite times circulation switching, such as "1-2-3-4-5-1-2…", will not appear switching limit, and at least setting a set of ratchet pawl structure, press button drives pawl to remove, pawl drives ratchet set to drive the rotary drum to rotate, pawl resets and releases the lock by itself elasticity or spring, enters the next time and presses preparation, makes every time press button can drive the rotary drum to rotate once, realizes the switching of one water flower, setting a set of ratchet pawl structure can realize unidirectional circulation switching, setting two sets of ratchet pawl structures with opposite directions can realize bidirectional circulation switching, like this can quickly switch back to the last water flower, the utility model passes through water distribution rod by middle water, ensures that water impact is on water distribution disc and then flows to the four around of water distribution cavity, with the cooperation of compression spring, can further rely on water pressure to make water distribution rod press tightly on sealing washer when opening water, ensures that the water flower function will not leak, when closing water, the compression of water distribution rod to water distribution sealing washer unloads, makes the friction force of water distribution rod and water distribution sealing washer to reduce when closing water, this design makes the required elastic force of reset spring of rotary drum smaller, thereby under the lower water pressure, the thrust formed by water pressure can be greater than spring elastic force, pushes the rotary drum displacement and unlocks.

[0039] The utility model discloses a water distribution rod is pressed on the sealing washer by water pressure when opening water, and the water splash function does not leak, when closing water, the pressing force of water distribution rod to sealing washer is unloaded, and the friction between water distribution rod and sealing washer is reduced, the spring force of reset spring of rotary drum is smaller, so that the thrust formed by water pressure is greater than the spring force under lower water pressure, and the rotary drum is pushed to axial displacement, and the unlocking is realized.

[0040] The above description shows and describes the preferred embodiments of the utility model, and as previously described, it should be understood that the utility model is not limited to the form disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified by the above teaching or related technology or knowledge within the scope of the utility model concept described herein. The modification and change made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the protection scope of the utility model claims.

Claims

1. A multifunctional pull head comprising a waterway body and a water distribution disc, characterized in that, The water channel body is provided with a water inlet pipe, one end of the rotating drum is sleeved outside the water inlet pipe, the end of the water outlet end of the water inlet pipe is provided with a guide surface, the rotating drum is provided with a guide block, the guide block can make the rotating drum move axially and rotate along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating drum returns to the initial state relative to the water channel body.

2. The multi-functional puller according to claim 1, wherein The rotating drum is provided with a connecting block at one end, the water flow can impact the connecting block to drive the rotating drum to move in the first axial direction; the connecting block and the inner circumferential wall of the rotating drum form a water passage, and the rotating drum and the inner circumferential wall of the water channel body are provided with a first sealing ring, so that the water flow of the water inlet pipe flows to the other end of the rotating drum through the water passage.

3. A multi-functional puller according to claim 2, wherein The water channel body is provided with a water inlet pipe, one end of the rotating drum is sleeved outside the water inlet pipe, the end of the water outlet end of the water inlet pipe is provided with a guide surface, the rotating drum is provided with a guide block, the guide block can make the rotating drum move axially and rotate along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating drum returns to the initial state relative to the water channel body.

4. A multi-functional puller according to any one of claims 1-3, characterized in that, The water channel body is provided with a water inlet pipe, one end of the rotating drum is sleeved outside the water inlet pipe, the end of the water outlet end of the water inlet pipe is provided with a guide surface, the rotating drum is provided with a guide block, the guide block can make the rotating drum move axially and rotate along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating drum returns to the initial state relative to the water channel body.

5. The multi-functional puller according to claim 4, wherein The water channel body is provided with a water inlet pipe, one end of the rotating drum is sleeved outside the water inlet pipe, the end of the water outlet end of the water inlet pipe is provided with a guide surface, the rotating drum is provided with a guide block, the guide block can make the rotating drum move axially and rotate along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating drum returns to the initial state relative to the water channel body.

6. A multi-functional puller according to claim 5, wherein The water channel body is provided with a water inlet pipe, one end of the rotating drum is sleeved outside the water inlet pipe, the end of the water outlet end of the water inlet pipe is provided with a guide surface, the rotating drum is provided with a guide block, the guide block can make the rotating drum move axially and rotate along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating drum returns to the initial state relative to the water channel body.

7. A multi-functional puller according to any one of claims 1-3, 5 or 6, wherein The water channel body is provided with a water inlet pipe, one end of the rotating drum is sleeved outside the water inlet pipe, the end of the water outlet end of the water inlet pipe is provided with a guide surface, the rotating drum is provided with a guide block, the guide block can make the rotating drum move axially and rotate along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating drum returns to the initial state relative to the water channel body.

8. A multi-functional puller according to claim 7, wherein The water channel body is provided with a water inlet pipe, one end of the rotating drum is sleeved outside the water inlet pipe, the end of the water outlet end of the water inlet pipe is provided with a guide surface, the rotating drum is provided with a guide block, the guide block can make the rotating drum move axially and rotate along the guide surface, until the guide block cooperates with the bottom of the guide surface, so that the rotating drum returns to the initial state relative to the water channel body.

9. The multi-functional puller according to claim 8, wherein The first pawl and the second pawl comprise elastic sheets, one end of the elastic sheets being connected with the water channel body; when the first button and the second button are pressed, the other end of the elastic sheets can be connected with the first ratchet set and the second ratchet set; when the first button and the second button are not pressed, the other end of the elastic sheets can be separated from the first ratchet set and the second ratchet set.

10. The multi-functional puller head of claim 9, wherein When the water channel body is supplied with water, the first pawl is radially coincident with the first ratchet set, and the second pawl is radially coincident with the second ratchet set; when the water channel body is not supplied with water, the first pawl can be radially staggered with the first ratchet set, and the second pawl can be radially staggered with the second ratchet set.

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