CN212397068U - Driving device and handheld water outlet device - Google Patents

Abstract

The utility model discloses a drive arrangement and handheld water installation. The driving device comprises a mounting part, a driven disc and a driving mechanism, wherein a first upper guide surface of the push rod can be in contact fit with a lower guide surface of the movable block so as to push the movable block to move through the movement of the push rod, and a third upper guide surface of the movable block can be in contact fit with a first inner guide surface of the driven disc so as to drive the driven disc to rotate towards a first direction through the movement of the movable block; the movable block and the fixed guide surface of the fixed seat are matched to drive the movable block and the driven disc to rotate towards the first direction together through the movement of the push rod. The elastic force for resetting only needs to overcome the rotation of the movable block to the right position, and the required elastic force is small, so the pressing force is small.

Description

Driving device and handheld water outlet device

Technical Field

The utility model relates to a kitchen guarding's water mechanism especially relates to a drive arrangement and handheld water installation.

Background

The waterway switching mode is various, the two common modes are a sliding switching mode or a rotating switching mode, the sliding switching mode refers to controlling water outlet of different waterways through relative sliding, and the rotating switching mode refers to controlling water outlet of different waterways through relative rotating. The waterway switching mechanism adopting the rotary switching mode has the structure as follows: the water diversion disc is arranged in the installation part and matched with the water diversion path so as to be capable of switching the water path through rotation of the water diversion disc; the driving mechanism is in transmission connection with the water distribution disc to drive the water distribution disc to rotate; the existing driving mechanisms are as follows:

the first type is that a knob is arranged, the knob and a water distribution disc are coaxially and fixedly connected, then the knob rotates to drive the water distribution disc to rotate to realize switching, the structure is complex, the occupied space is large, the switching resistance is large, and the switching is inconvenient.

Secondly, an automatic pen structure is adopted, such as CN202427568U, which discloses a shower button switching structure, comprising a button, a water diversion sheet, a ratchet shaft, a spring and a plurality of inclined guide posts, wherein the button can slide inside and outside along the axis of the button, the outer end of the button is a pressing end, and a plurality of salient points are annularly arranged at the inner end; the water diversion sheet is coaxially arranged with the button, is limited inside and outside in the axial direction and can rotate freely, and is provided with a via hole for communicating the water inlet main channel with the water inlet branch channel; the ratchet shaft and the water diversion sheet (equivalent to a water diversion disc) synchronously rotate and can freely slide in the water diversion sheet along the axis of the ratchet shaft; the ratchet shaft is provided with a ratchet wheel at one side facing the button salient point, and the ratchet wheel is provided with a plurality of inclined guide surfaces which can be abutted against the salient point; the spring is abutted against the ratchet shaft and generates acting force for enabling the ratchet shaft to move towards the button direction; and a guide groove for guiding the button is formed between the inclined guide posts, and the inclined guide posts are abutted against the inclined guide surfaces when the ratchet shaft rebounds due to the elastic force of the spring and enable the ratchet shaft to rotate. The water diversion plate is moved and rotated during function switching in the mechanism, so that water spray function switching can be realized, and the water diversion plate needs to be lifted, so that a secondary bag filling process needs to be adopted for the water diversion body and the sealing gasket, so that the production cost is increased, and the rejection rate is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drive arrangement and handheld water installation, it has overcome among the background art not enough that drive arrangement exists.

The utility model provides one of the technical scheme who adopts of its technical problem is:

a driving device is arranged on a mounting part and is in transmission connection with a driven disk so as to drive the driven disk to rotate; the driving device comprises a driving mechanism; the mounting part is provided with an upper matching part and a lower matching part, and the upper matching part is provided with a fixed guide surface; the driven disc is provided with a first through channel, and a first inner guide surface is arranged in the first through channel; the driving mechanism comprises a push rod, a movable block and an elastic body, the push rod is connected to the lower matching part in a sliding mode, the push rod is provided with a first upper guide surface, the movable block is provided with a lower guide surface and a third upper guide surface, and the elastic body is connected with the driving mechanism and the mounting part to drive the driving mechanism to reset; wherein: the first upper guide surface of the push rod can be in contact fit with the lower guide surface of the movable block so as to push the movable block to move through the movement of the push rod, and the third upper guide surface of the movable block can be in contact fit with the first inner guide surface of the driven disc so as to drive the driven disc to rotate towards the first direction through the movement of the movable block; the movable block is matched with the upper matching part fixing and guiding surface so as to drive the movable block and the driven disc to rotate towards the first direction together through the movement of the push rod.

The utility model provides a second of the technical scheme of its technical problem's adoption:

a driving device is arranged on a mounting part and is in transmission connection with a driven disk so as to drive the driven disk to rotate; the driving device comprises a driving mechanism; the driving mechanism comprises a push rod, a movable block and an elastic body; the push rod is connected with the mounting part in a sliding way, the sliding push rod pushes the movable block to move, the movement of the movable block comprises a first stage movement and a second stage movement, the movable block slides and pushes the driven disc to rotate towards the first direction in the first stage movement, and the movable block can at least rotate towards the first direction and drives the driven disc to rotate towards the first direction in the second stage movement so as to drive the driven disc to complete control; the elastic body stores energy in the first stage of activity and the second stage of activity of the movable block and drives the driving mechanism to reset through energy storage and energy release.

The third technical scheme of the utility model for solving the technical problem is:

the handheld water outlet device comprises the driving device, the mounting part comprises a handheld part and a head part which are fixedly connected together, the first key and the second key are connected to the handheld part in a sliding mode, the water outlet cavity is formed in the head part, the water inlet path is formed in the handheld part and the head part, and the driven disc is connected to the handheld part in a rotating mode.

Compared with the background technology, the technical scheme has the following advantages:

the driven disc only realizes the rotation function (has no movement function), the cost can be reduced, the occupied space can be reduced, and the structure is compact. The first upper guide surface of the push rod can be in contact fit with the lower guide surface of the movable block so as to push the movable block to move through the movement of the push rod, and the third upper guide surface of the movable block can be in contact fit with the first inner guide surface of the driven disc so as to drive the driven disc to rotate towards the first direction through the movement of the movable block; the movable block and the fixed guide surface of the upper matching part are matched with each other so as to drive the movable block and the driven disc to rotate towards the first direction together through the movement of the push rod, the pressing force is small, the pressing is convenient, and the control is convenient.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Fig. 1 is a perspective exploded view of a driving device according to a first embodiment.

Fig. 2 is a schematic cross-sectional view of a driving device according to the first embodiment.

Fig. 3 is a second schematic cross-sectional view of the driving device according to the first embodiment.

Fig. 4 is a third schematic cross-sectional view of a driving device according to the first embodiment.

Fig. 5 is a fourth schematic cross-sectional view of the driving device according to the first embodiment.

Fig. 6 is a perspective view of the fixing base according to the first embodiment.

Fig. 7 is a schematic perspective view of the water diversion body according to the first embodiment.

Fig. 8 is a perspective view of a push rod according to the first embodiment.

Fig. 9 is a schematic perspective view of the water diversion tray of the first embodiment.

Fig. 10 is a perspective view of a movable block according to the first embodiment.

Fig. 11 is a second perspective view of the movable block according to the first embodiment.

Fig. 12 is one of the schematic diagrams of the water diversion body and the water diversion disc in the first embodiment.

Fig. 13 is a second schematic view of the water diversion body and the water diversion tray according to the first embodiment.

Fig. 14 is a third schematic view of the cooperation of the water diversion body and the water diversion tray of the first embodiment.

Fig. 15 is a perspective view of a hand-held shower head to which the driving apparatus of the first embodiment is applied.

Fig. 16 is a schematic perspective exploded view of a driving device according to a second embodiment.

Fig. 17 is a schematic sectional view of a driving device according to a second embodiment.

Fig. 18 is a schematic perspective view of a push rod according to a second embodiment.

Fig. 19 is a perspective view of the movable block according to the second embodiment.

FIG. 20 is a perspective view of the third hand-held shower head of the embodiment.

FIG. 21 is a schematic cross-sectional view of a three-hand shower head according to an embodiment.

FIG. 22 is a schematic perspective exploded view of a third driving device according to an embodiment.

FIG. 23 is a schematic sectional view of a third driving device in a water-passing state according to the embodiment.

FIG. 24 is a schematic sectional view of a water cut-off state of the third driving apparatus according to the embodiment.

Fig. 25 is a perspective view of a push rod of the third driving device of the embodiment.

Fig. 26 is a schematic perspective view of a valve body of a third driving device according to an embodiment.

Fig. 27 is a perspective view schematically showing a driven disk of the third driving device of the embodiment.

Fig. 28 is a perspective view schematically showing a movable block of the third driving apparatus according to the embodiment.

Fig. 29 is a second perspective view of the movable block of the third driving device according to the embodiment.

Fig. 30 is a perspective view of a fixing base of the third driving device according to the embodiment.

FIG. 31 is a cross-sectional schematic view of one of the four hand-held kitchen faucets of the example embodiment.

FIG. 32 is a second cross-sectional view of the fourth embodiment of the hand-held kitchen faucet.

FIG. 33 is a third cross-sectional schematic view of a four-hand kitchen faucet of the present embodiment.

Detailed Description

Example one

Referring to fig. 1 to 11, a driving device for controlling a waterway is mounted on the mounting portion 10 and is in transmission connection with a driven disk to drive the driven disk to rotate so as to control the waterway; the drive means comprises a drive mechanism 30. The driven disk is the water diversion disk 20, and the embodiment is described by taking an example of switching to drive the water diversion disk 20 to rotate. The driving mechanism 30 includes a push rod 31, a movable block 32, an elastic body 33, a center shaft 34, and a push button 35.

The mounting portion 10 is provided with a water dividing chamber 11, a water inlet path 12 communicating with the water dividing chamber 11 for supplying water to the water dividing chamber 11, and a plurality of water dividing paths 13, in the embodiment, two water dividing paths are taken as an example for illustration, but not limited thereto, and 3, 4 or more than 4 water dividing paths may be provided as required. This diversion disk 20 can install in the diversion chamber 11 of installation portion 10 with rotating and should divide water route 13 in order to switch the water route through diversion disk rotation, for example specifically: the water diversion cavity 11 has a bottom surface, each water diversion channel 13 has a water diversion hole on the bottom surface, the water diversion disc 20 can rotate and is connected on the bottom surface in a sealing way, a water through hole 24 is arranged on the water diversion disc 20, the water through hole 24 and a certain water diversion hole or some water diversion holes can be controlled to have intersection through the rotation of the water diversion disc 20, the water diversion holes with the intersection are communicated with the water diversion cavities (the water diversion channel corresponding to the water diversion hole with the intersection is discharged), the water diversion channels can be controlled to be switched to be communicated with the water diversion cavity through the mode, or a plurality of water diversion channels are controlled to be communicated with the water diversion cavities at the same time, in the specific structure, as shown in fig. 12, the water through hole is communicated with the first water diversion hole, and the first water diversion channel corresponding to the first water diversion; as shown in fig. 13, the water through hole is communicated with the first water dividing hole and the second water dividing hole at the same time, so that the first water dividing channel and the second water dividing channel simultaneously discharge water; as shown in fig. 14, when the water passage hole and the second water dividing hole are connected, the second water dividing passage corresponding to the second water dividing hole discharges water. In a specific structure, the water diversion disc rotates towards a first direction relative to the mounting part 10 and can only rotate towards the first direction under the driving of the driving mechanism, and the switching is realized through continuous rotation, wherein the first direction rotates anticlockwise. The mounting portion 10 comprises a holder 14 and a water-dividing body 15, the holder 14 being provided with an upper engaging portion 14 ', the water-dividing body 15 being provided with a lower engaging portion 15'. The fixed seat 14 and the water diversion body 15 are fixedly connected together in a sealing way, the water diversion cavity 11 is formed between the fixed seat 14 and the water diversion body 15, the water diversion body 15 is provided with the water diversion channel 13, and the fixed seat 14 is provided with the water inlet channel 12.

Referring to fig. 6, the upper engaging portion 14' includes a plurality of engaging protrusions 141, the engaging protrusions 141 are fixedly connected to the bottom surface (top wall of the water diversion cavity) of the fixing base 14 in an annular array, the engaging protrusions 141 have two opposite side walls, one side wall is a fixing guide surface 142, the fixing guide surface 142 is a spiral surface or an inclined surface, the other side wall is provided with a limiting portion 143, and the limiting portion 143 is a vertical wall.

Referring to fig. 7, the lower fitting portion 15' is provided with a second through channel 151 communicating with the water diversion cavity 11, and the second through channel 151 is vertically arranged through the water diversion body 15; the inner wall of the second through channel 151 is concavely provided with two guide grooves 152 which are radially and symmetrically arranged, the inner wall of the second through channel 151 is convexly provided with a plurality of first inner convex parts 153 which are annularly and alternately arranged, the top surfaces of the first inner convex parts 153 are provided with second inner guide surfaces 154, and the second inner guide surfaces 154 are in a spiral surface or inclined surface structure. The second through channel 151 is communicated with the water diversion cavity 11, and the push rod 31 is connected with the second through channel 151 in a sliding mode, so that the structure is simple, and the installation is convenient.

Referring to fig. 1 to 5 and 8, the push rod 31 is slidably connected to the second through channel 151 of the water diversion body 15, the push rod 31 is provided with a first upward guide surface 311 and a second upward guide surface 312, the first upward guide surface 311 and the second upward guide surface 312 are both helical surfaces or inclined surfaces, the guide direction of the first upward guide surface is opposite to that of the second upward guide surface, the guide direction is the helical direction of the helical surface, and the upper side edge of the first upward guide surface is connected with the upper side edge of the second upward guide surface. In this embodiment: the push rod 31 is provided with two guide protrusions 313 which are symmetrically arranged in the radial direction in a protruding way on the periphery, and the guide protrusions 313 are matched with the guide grooves 152 of the second through channel 151 of the water diversion body 15 so that the push rod 31 can be connected with the second through channel 151 in a sliding way, and the structure is simple and compact; the periphery of the push rod 31 is further provided with a first outer convex part 314 in a protruding manner, the first outer convex part 314 is positioned between two adjacent first inner convex parts 153, and the first outer convex part 314 is provided with the first upper guide surface 311 and the second upper guide surface 312, so that the first outer convex part 314 is convenient to match with the second outer convex part; the concrete structure is as follows: four first outward protrusions 314 are provided at intervals in a ring shape, and the two guide protrusions 313 are protruded on outer walls of the two first outward protrusions 314, respectively.

Referring to fig. 10 and 11, the movable block 32 is provided with a downward lower guide surface 321, an upward third upper guide surface 322, and an upward fourth upper guide surface 323, where the lower guide surface 321, the third upper guide surface 322, and the fourth upper guide surface 323 are all spiral surfaces or inclined surfaces, the guide of the third upper guide surface 322 is opposite to the guide of the fourth upper guide surface 323, and the upper side of the third upper guide surface 322 is connected with the upper side of the fourth upper guide surface 323. In this embodiment: the movable block 32 includes a main body 324 and a plurality of second protrusions 325 arranged in a circular array and protruding out of the outer periphery of the main body, the upper portion of the second protrusions 325 is protruded out so that the second protrusions have an inverted L-shaped structure, the top surface of the second protrusions 325 is provided with the third upper guide surface 322 and the fourth upper guide surface 323, and the bottom surface of the second protrusions 325 is provided with the lower guide surface 321. In a specific configuration, the second protrusion 325 extends above the top surface of the body 324.

Referring to fig. 9, the water diversion disc 20 is provided with a first through passage 21, a first inner guide surface 22 is provided in the first through passage 21, and the first inner guide surface 22 is a spiral surface or an inclined surface. In this embodiment: the inner wall of the first through channel 21 is protruded with a second inner protrusion 23, and the bottom surface of the second inner protrusion 23 is a first inner guide surface 22.

Referring to fig. 1 to 11, the push rod 31 has a rotation-limiting groove 315, the movable block 32 has a rotation-limiting protrusion 326, and the rotation-limiting protrusion 326 and the rotation-limiting groove 315 cooperate to limit the movable block 32 to rotate in a second direction, which is opposite to the first direction, and the second direction is clockwise. In this embodiment: the rotation limiting protrusion 326 is arranged on the lower guide surface 321 of the movable block 32; the first outward protrusion 314 has an extension extending above the push rod, the extension forming an inward angle that defines the rotation-limiting slot 315.

Referring to fig. 1 to 11, one end of the button 35 is connected to the water diversion body 15 in a swinging manner, and the other end of the button 35 abuts against the lower end of the push rod 31. The upper end of the central shaft 34 is fixedly connected with the fixed seat 14, the central shaft 34 forms the axis of a plurality of matching protrusions 141 in an annular array, the push rod 31 can be connected with the central shaft 34 in a sliding mode, the movable block 32 can rotate and can be connected with the central shaft 34 in a sliding mode, the elastic body 33 is a spring, the spring is sleeved with the central shaft 34 and abuts against the position between the fixed seat 14 and the movable block 32, the driving mechanism is driven to reset, assembly is convenient, and switching stability is improved. One end of the key is connected with the lower matching part in a swinging mode, and the key is also abutted against the lower end of the push rod, so that the operation is convenient.

Every waterway switching is realized by pressing a key and resetting after releasing the key to complete cycle switching, and the waterway switching specifically comprises a switching process of driving a driven disk to rotate by pressing the key (the driven disk rotates by a preset angle to complete spray switching) and a resetting process of releasing the pressing to reset under the action of an elastic body (a driving mechanism resets), wherein the switching process comprises a first rotating part and a second rotating part.

A first rotating portion: only the water diversion disc 20 rotates in the first direction, and the push rod 31 and the movable block 32 only move and do not rotate. Referring to fig. 2 and 3, when the key 35 of the driving mechanism in fig. 2 is in an initial state (just before being pressed), the fourth upper guide surface 323 of the movable block of the driving mechanism in fig. 3 contacts with the fixed guide surface 142 of the fixed seat; the push button 35 is pressed to drive the push rod 31 to move upwards, the movable block 32 also moves upwards due to the contact and abutting action of the lower guide surface 321 of the movable block 32 and the first upper guide surface 311 of the push rod 31, the third upper guide surface 322 of the movable block 32 is in contact and abutting fit with the first inner guide surface 22 of the diversion disc 20, the diversion disc 20 is caused to rotate towards the first direction (anticlockwise) by the third upper guide surface 322 of the movable block 32 until the lower guide surface 321 of the movable block 32 is far away from the second inner guide surface 154 of the diversion body 15 due to the fact that the diversion disc 20 can only rotate and the movable block 32 moves upwards, and at the moment, the fourth upper guide surface 323 of the movable block 32 abuts against the fixed guide surface 142 of the fixed seat 14, as shown in fig. 3. In the process, the push rod 31 only has a moving degree of freedom, the movable block 32 also has a moving degree of freedom, the water distribution disc 20 has a rotating degree of freedom, the rotation limiting protrusion 326 and the rotation limiting groove 315 are matched with each other to prevent the movable block from rotating clockwise, and the clockwise rotation (the water distribution disc is not moved) of the movable block caused by the overlarge friction force between the water distribution disc and the sealing gasket 25 (arranged on the bottom surface of the water distribution cavity) can be avoided.

A second rotating portion: the water diversion disc 20 and the movable block 32 rotate together towards a first direction, and the water diversion disc rotates by a preset angle through the matching of the first rotating part and the second rotating part, so that the spray switching is completed; the movable block has both a degree of freedom of movement and a degree of freedom of rotation during the second rotating portion. Referring to fig. 3 and 4, the water diversion plate of fig. 4 is rotated to a predetermined angle. The push rod 31 is continuously pushed, the fourth upper guide surface 323 of the movable block 32 is in contact fit with the fixed guide surface 142 of the fixed seat 14, the movable block 32 can rotate due to the fact that the fixed guide surface is not moved (at the moment, the lower guide surface 321 of the movable block is staggered with the second inner guide surface 154 of the water distributing body), at the moment, the push rod moves upwards to drive the movable block 32 to rotate towards the first direction, the movable block 32 and the water distributing disc 20 rotate towards the first direction together, and when the water distributing disc 20 rotates to a preset angle, the lower guide surface 321 of the movable block 32 is staggered with the second inner guide surface 154 of the water distributing body 15. In order to ensure the accurate rotation position of the water diversion disc, the second outer convex part (the side surface 327 of the second outer convex part) of the movable block and the limiting part 143 of the fixed seat abut against the water diversion disc to complete rotation, and at this time, the waterway switching is completed, as shown in fig. 4.

Resetting: referring to fig. 4 and 5, fig. 5 is a schematic view of the drive mechanism release button. And (5) releasing the key: after the hand is loosened, because the lower guide surface 321 of the movable block 32 is staggered with the second inner guide surface 154 of the water distributing body 15, at the moment, the lower guide surface 321 of the movable block 32 is matched with the second inner guide surface 154 of the water distributing body 15, and the movable block 32 moves downwards under the action of the elastic body 33, the lower guide surface 321 of the movable block 32 moves to the next switching position over the second upper guide surface 312 of the push rod in the downward moving process, and simultaneously the push rod and the key 35 are driven to reset, so that function cycle switching is completed, the rotating angle and direction of the movable block are consistent with the rotating direction of the water distributing disc, and the positions are guaranteed to be fixed with each other each.

According to the requirements: a sealing ring 155 and a retaining ring 156 are arranged between the lower end of the push rod and the water diversion body, and the sealing ring 155 and the retaining ring 156 are sleeved with the push rod and are positioned in the second through channel 151 of the water diversion body. A positioning mechanism is arranged between the water distribution disc and the fixed seat, the positioning mechanism comprises a positioning pin 41 movably connected with the water distribution disc, a propping spring 42 propping the positioning pin, and a positioning groove arranged on the fixed seat, and the positioning pin is inserted into the positioning groove through the propping spring so as to keep the mechanism in the switching state, thereby increasing the switching hand feeling.

The water distribution disc in the embodiment only realizes a rotating function (without a moving function), the mounting part and the water distribution disc are made of common materials, a bag filling process is not needed, the cost can be reduced, the occupied space can be reduced, and the structure is compact.

Fig. 15 shows a shower head using the driving device of the present embodiment, the shower head is a handheld shower head, the handheld shower head includes a handheld portion a1 and a shower head portion a2, the driving device is disposed in the shower head, the button 35 is exposed outside the shower head for being pressed by a user, and the button 35 is disposed at a connection portion between the handheld portion and the shower head portion.

Example two

Referring to fig. 16 to 19, it is different from the first embodiment in the structure for limiting the rotation of the movable block 32 in the second direction, in which: the first outward protrusion 314 has an extending portion extending beyond the push rod, the extending portion forms an inward included angle, and a rotation limiting member 316 is fixed in the included angle; the circumference of the bottom of the main body 324 of the movable block 32 is concavely provided with arc notches 327 with the same number (the same number as the rotation limiting members 316) as the first convex parts 314, the rotation limiting members 316 are adapted to connect with the arc notches 327, and the purpose of the movable block 32 rotating towards the second direction is achieved through the adapted connection.

EXAMPLE III

Please refer to fig. 20 to fig. 30, which is different from the first embodiment in that: in the first embodiment, the plurality of branch water paths are controlled to be switched to communicate with the water inlet path, that is, the on/off of each branch water path is controlled, and the water path switching is realized by controlling the on/off of each branch water path. The hand-held water dispenser includes a waterway control mechanism including a drive mechanism 30, a mounting portion 10, a driven disk 20', a diversion disk 20, and a ratchet-pawl intermittent motion mechanism 50. In the present embodiment, the water path is switched by driving the driven plate 20' to rotate. The driving device in the first embodiment is basically the same as the driving device in the present embodiment, the water distributing plate 20 in the first embodiment is provided with the water through holes 24, and the driven plate 20 'in the present embodiment is provided with the water through grooves 24'. The key of the drive mechanism is the first key 35'.

The mounting portion 10 includes a hand grip a1 and a head 16 secured together; the mounting portion 10 is provided with a water inlet passage 12, the water inlet passage 12 is partially provided in the hand-held portion a1 and partially provided in the head portion 16; the bottom wall of the water inlet path 12 is concavely provided with a mounting groove 121, and the bottom of the mounting groove 121 is provided with a connecting groove which is communicated to the outside of the handheld part A1; the top wall of the water inlet passage 12 is provided with a through groove 123 penetrating the inside and the outside of the water inlet passage 12.

The driven disk 20' is arranged on the water inlet channel 12 of the hand-held part A1 and can rotate relative to the hand-held part A1; the hand-held portion a1 has an upper fitting portion and a lower fitting portion, the upper fitting portion is the fixing seat 14, and the lower fitting portion is the valve body 19.

The fixing base 14 includes a fixing plate 144 and a plurality of engaging protrusions 141, the engaging protrusions 141 are fixed on the bottom surface of the fixing plate in an annular array, and the engaging protrusions 141 are also provided with a guiding surface 142 and a limiting portion 143 as described in the first embodiment. The fixing plate 144 of the fixing base 14 is hermetically fixed to the through slot of the hand-held portion a 1.

The valve body 19 is provided with a second through channel 151, and the second through channel 151 is vertically arranged in a penetrating manner; the second through channel 151 is also provided with a guide groove 152, a first inner protrusion 153, and a second inner guide surface 154 as described in the first embodiment. The valve body is installed in the installation groove 121,

the tail end (lower end) of the push rod 31 passes through the second through channel of the valve body 19 and the connecting groove of the hand-held part A1 from top to bottom, so that the push rod 31 can be connected with the connecting groove in a sealing and sliding manner. As described in the second embodiment, the push rod 31 has a first upper guide surface 311 facing upward and a second upper guide surface 312 facing upward, two guide protrusions 313 are protruded from the outer periphery of the push rod 31, and the guide protrusions 313 are adapted to the guide grooves 152 of the second through channel 151 of the valve body so that the push rod 31 can be slidably connected to the second through channel 151; the push rod 31 is further provided with a first outward protrusion 314 protruding from the outer periphery thereof, the first outward protrusion 314 has an extending portion extending above the push rod, the extending portion forms an inward included angle, and a rotation limiting member 316 is fixed in the included angle.

The movable block 32 has a downward lower guide surface 321, an upward third upper guide surface 322, and an upward fourth upper guide surface 323. The movable block 32 includes a main body 324 and a plurality of second outward protrusions 325 fixed on the end surface of the main body in a circular array, the upper portion of the second outward protrusion 325 is convex so that the second outward protrusion is in an inverted L-shaped structure, the top surface of the second outward protrusion 325 is provided with the third upper guide surface 322 and the fourth upper guide surface 323, and the bottom surface of the main body 324 is provided with the lower guide surface 321. The bottom circumference of the main body 324 of the movable block 32 is concavely provided with arc-shaped notches 327 having the same number (the same number as the rotation-limiting members 316) as the first outward protruding portions 314, as described in the second embodiment, the rotation-limiting members 316 are adapted to connect the arc-shaped notches 327, and the purpose of limiting the movable block 32 to rotate in the second direction is achieved through the adapted connection.

The driven disc 20' is provided with a first through channel 21, and a first inner guide surface 22 is arranged in the first through channel 21; the driven plate 20' is correspondingly arranged between the mounting groove 121 and the through groove 123 of the water inlet channel 12, and the assembly is convenient. The driven plate 20' includes a peripheral wall in which the first through passage 21 is provided, an end surface of the peripheral wall is recessed with a water passage groove 24 that penetrates inside and outside, and a first inner guide surface 22 is provided in the peripheral wall. The inner wall of the first through channel 21 is protruded with a second inner protrusion 23, and the bottom surface of the second inner protrusion 23 is a first inner guide surface 22. The water passing groove 24 ' of the driven plate 20 ' at the on position forms a part of the water inlet path 12, the peripheral wall of the driven plate 20 ' at the off position corresponds to the water inlet path to block the water inlet path, the structure is simple, the side surface is adopted to control the on-off sealing, the sealing performance is good, the pressing force is small, and the control is convenient; specifically, the water inlet path is divided into a front section and a rear section, the driven disk is positioned between the front section and the rear section, the water passing groove at the open position connects the front section and the rear section, and the peripheral wall at the open position blocks the front section and the rear section.

One end of the first button 35' is connected with the hand-held part A1 in a sliding way, and the inner wall of the first button is fixedly connected with the tail end of the push rod 31. The upper end of the central shaft 34 is fixedly connected to the fixed seat 14, the central shaft 34 forms an axis of a plurality of matching protrusions 141 in an annular array, the push rod 31 can be slidably connected to the central shaft 34, the movable block 32 can be rotatably and slidably connected to the central shaft 34, the elastic body 33 is a spring, and the spring is sleeved on the central shaft 34 and abuts against the space between the fixed seat 14 and the movable block 32 to drive the driving mechanism to reset.

The driving mechanism and the driven plate cooperate to form an on-off mechanism for controlling the on-off of the water inlet passage 12.

Each on-off control of the on-off mechanism is realized by resetting after the first key is pressed and released, and the cyclic control is specifically realized by a switch control process of pressing the first key to drive the driven disc to rotate (the on-off is realized by the preset rotation angle of the driven disc) and a reset process of releasing the pressing to reset under the action of the elastic body (the reset of the driving mechanism), wherein the on-off process comprises a first part and a second part. A first part: the driven disc 20' only rotates in the first direction, and the push rod 31 and the movable block 32 only move and do not rotate. The first button 35 'is pressed to drive the push rod 31 to move upwards, the movable block 32 also moves upwards due to the contact and abutting action of the lower guide surface 321 of the movable block 32 and the first upper guide surface 311 of the push rod 31, the third upper guide surface 322 of the movable block 32 is in contact and abutting cooperation with the first inner guide surface 22 of the driven disc 20', the driven disc 20 'is driven to rotate towards the first direction (anticlockwise) by the third upper guide surface 322 of the movable block 32 due to the fact that the driven disc 20' can only rotate and the movable block 32 moves upwards until the lower guide surface 321 of the movable block 32 is far away from the second inner guide surface 154 of the water separating body 15, and at the moment, the fourth upper guide surface 323 of the movable block 32 abuts against the fixed guide surface 142. In this process, the push rod 31 only has a freedom of movement, the movable block 32 also has a freedom of movement, and the driven disk 20' has a freedom of rotation, wherein the rotation limiting part 316 and the arc notch 327 cooperate to prevent the movable block from rotating clockwise. A second part: the driven disc 20 'and the movable block 32 rotate together towards a first direction, and the driven disc 20' rotates by a preset angle through the matching of the first part and the second part to complete on-off control; the movable block has both freedom of movement and freedom of rotation during the second part of the process. The push rod 31 is pushed continuously, the fourth upper guide surface 323 of the movable block 32 is in contact fit with the fixed guide surface 142, the movable block 32 can rotate because the fixed guide surface is not moved, at this time, the push rod moves upwards to drive the movable block 32 to rotate towards the first direction, the movable block 32 and the driven disc 20 'rotate towards the first direction together, and the lower guide surface 321 of the movable block 32 and the second inner guide surface 154 of the valve body are staggered when the driven disc 20' rotates to a preset angle. In order to ensure the accurate rotation position of the driven disc 20 ', the driven disc 20' completes rotation when the second external convex part of the movable block abuts against the limiting part 143, and at the moment, the on-off control of the water path is completed. Resetting: and (5) releasing the key: after the hand is loosened, because the lower guide surface 321 of the movable block 32 and the second inner guide surface 154 of the valve body are staggered, at the moment, the lower guide surface 321 is matched with the second inner guide surface 154, the movable block 32 moves downwards under the action of the elastic body 33, the lower guide surface 321 moves to the next position through the second upper guide surface 312 in the downward moving process, meanwhile, the push rod and the key are driven to reset, so that function cycle switching is completed, the rotating angle and the rotating direction of the movable block are consistent with the rotating direction of the driven disc 20', and the positions are guaranteed to be fixed mutually each time.

In this embodiment, the first upper guide surface of the push rod and the lower guide surface of the movable block can be in contact fit to push the movable block to move through the movement of the push rod, and the third upper guide surface of the movable block and the first inner guide surface of the driven disc can be in contact fit to drive the driven disc to rotate towards the first direction through the movement of the movable block; this movable block and fixing base solid lead the face and cooperate and rotate towards first direction together with can drive this movable block and driven disk through the push rod removal, through driven disk rotation control water inlet route break-make, when leading to the stagnant water switch, the driven disk rotates when pressing and targets in place promptly, and the elastic force that resets only need overcome the movable block rotate target in place can, required elasticity is less, and the pressing force is less.

In the embodiment, the driven disk only realizes the rotation function (without the movement function), the installation part and the driven disk are made of common materials, the bagging process is not needed, the cost can be reduced, the occupied space can be reduced, and the structure is compact.

The head 16 of the mounting part 10 is also provided with a water diversion cavity 11 communicated with the water inlet channel 12 and a plurality of water diversion channels 13, the water diversion disc 20 is rotatably connected in the water diversion cavity 11 of the mounting part 10 and at least controls the plurality of water diversion channels 13 to be switched to be communicated with the water diversion cavity 11 through the rotation of the water diversion disc 20, and the water diversion disc 20 is provided with a water diversion shaft 217 capable of extending out of the water diversion cavity 11; the hand-held portion a1 is also slidably connected to a second button 51. The ratchet and pawl intermittent motion mechanism 50 is in transmission connection with a water diversion shaft 217 between the second button 51 and the water diversion disc 20, so that the water way switching is realized by pressing the second button 51 to control the water diversion disc 20 to rotate by a preset angle. The ratchet-pawl intermittent motion mechanism comprises a swinging piece 52 which is connected with the mounting part 10 in a swinging mode, a sliding piece 53 which is connected with the mounting part 10 in a sliding mode, a pawl 54, a ratchet 55 and a stop pawl; the ratchet wheel 55 is coaxially fixed on the end of the water diversion shaft 217 of the water diversion disc 20 extending out of the water diversion cavity 11; one end of the pawl 54 is rotatably connected to the mounting portion 10, the middle of the pawl 54 is connected to the slider 53, the end of the pawl 54 abuts against the ratchet 55, so that the sliding of the slider 53 can drive the pawl 54 to swing, so that the pawl 54 can drive the ratchet 55 to rotate; one end of the stop pawl is rotatably connected with the mounting part 10, and the other end of the stop pawl abuts against the ratchet wheel to limit the ratchet wheel to rotate reversely. In this embodiment, the sliding member 53 is concavely provided with a through groove, and the middle part of the pawl 54 is arranged in the groove; the swinging member 52 is a fan-shaped structure, the center of the fan-shaped structure is rotatably connected with the mounting portion 10, one end of the button abuts against one end of the arc of the fan-shaped structure, and the other end of the arc of the fan-shaped structure abuts against the tail end of the sliding block; a return spring 56 is provided between the slider and the mounting portion.

The first key 35' and the second key 51 are provided with a handheld part A1 side by side so as to facilitate the user to control the on-off and the waterway switching. The first key 35' and the second key 51 form double-key switching, and the function cycle switching is realized by pressing the front-end key (the second key 51); the water switch is realized by pressing the rear end key (the first key 35'), and the two key operations are independent and do not influence each other.

Example four

Referring to fig. 31, 32 and 33, it is different from the third embodiment in that: in the hand-held kitchen faucet, a sliding rod 61 is arranged in the water outlet cavity 14, the water diversion path 13 is provided with a water inlet 1321, and the water inlets 1321 of the two water diversion paths 13 are arranged at intervals; the sliding rod 61 is arranged on a sealing ring 62, the sealing ring 62 is arranged between the two water inlets 1321, the sliding rod 61 controls the sealing ring 62 to seal one water inlet 1321 in a sliding way, so that the sealing ring 62 is separated from the other water inlet 1321, and water is discharged from a water diversion path of the other water inlet 1321; or the sealing ring and the two water inlets are spaced, and the water dividing channels of the two water inlets discharge water. The second button 51 is pivotally connected to the mounting portion 10, the second button 51 is provided with a driving seat 511, the driving seat 511 is provided with a fork, the end of the sliding rod 61 is provided with an annular groove 611, and the fork is forked in the annular groove to drive the sliding rod to slide by the swinging of the second button. A return spring 56 is provided between the slide bar and the mounting portion.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims (25)

1. A driving device is arranged on a mounting part and is in transmission connection with a driven disk so as to drive the driven disk to rotate; the method is characterized in that: the driving device comprises a driving mechanism; the mounting part is provided with an upper matching part and a lower matching part, and the upper matching part is provided with a fixed guide surface; the driven disc is provided with a first through channel, and a first inner guide surface is arranged in the first through channel; the driving mechanism comprises a push rod, a movable block and an elastic body, the push rod is connected to the lower matching part in a sliding mode, the push rod is provided with a first upper guide surface, the movable block is provided with a lower guide surface and a third upper guide surface, and the elastic body is connected with the driving mechanism and the mounting part to drive the driving mechanism to reset; wherein: the first upper guide surface of the push rod can be in contact fit with the lower guide surface of the movable block so as to push the movable block to move through the movement of the push rod, and the third upper guide surface of the movable block can be in contact fit with the first inner guide surface of the driven disc so as to drive the driven disc to rotate towards the first direction through the movement of the movable block; the movable block is matched with the upper matching part fixing and guiding surface so as to drive the movable block and the driven disc to rotate towards the first direction together through the movement of the push rod.

2. A drive arrangement according to claim 1, wherein: the movable block is also provided with a fourth upper guide surface, the guide of the third upper guide surface is opposite to that of the fourth upper guide surface, and the fourth upper guide surface is matched with the fixed guide surface.

3. A drive arrangement according to claim 2, wherein: the upper side edge of the third upper guide surface is connected with the upper side edge of the fourth upper guide surface.

4. A drive arrangement according to claim 1, wherein: the push rod is also provided with a second upper guide surface, and the guide of the first upper guide surface is opposite to that of the second upper guide surface.

5. A drive arrangement according to claim 4, wherein: the upper side edge of the first upper guide surface is connected with the upper side edge of the second upper guide surface.

6. A drive arrangement according to claim 1, wherein: the lower matching part is provided with a second through channel, and the push rod is connected with the second through channel in a sliding manner.

7. A drive arrangement according to claim 6, wherein: the inner wall of the second through passage is concavely provided with a guide groove, the periphery of the push rod is convexly provided with a guide bulge, and the guide bulge is matched with the guide groove so that the push rod can be connected with the second through passage in a sliding way; a first inner convex part is convexly arranged on the inner wall of the second through passage, and a second inner guide surface is arranged at the top of the first inner convex part; the periphery of the push rod is also convexly provided with a first outer convex part, the first outer convex part is positioned between two adjacent first inner convex parts, and the first outer convex part is provided with the first upper guide surface and the second upper guide surface.

8. A drive arrangement according to claim 2, wherein: the movable block comprises a main body and a second outer convex part protruding out of the main body, the upper part of the second outer convex part is of a protruding structure, the top of the second outer convex part is provided with the third upper guide surface and the fourth upper guide surface, and the bottom surface of the second outer convex part is provided with the lower guide surface.

9. A drive arrangement according to claim 8, wherein: should go up the cooperation portion and be equipped with spacing portion, support the cooperation through second outrigger and spacing portion and realize spacingly.

10. A drive arrangement according to claim 9, wherein: the upper matching part comprises a plurality of matching bulges which are arranged in an annular array, the matching bulges are provided with two opposite side walls, one side wall is provided with the fixed guide surface, and the other side wall is provided with the limiting part.

11. A drive arrangement according to claim 1, wherein: the push rod is provided with a rotation limiting groove, the movable block is provided with a rotation limiting protrusion, the rotation limiting protrusion is matched with the rotation limiting groove to limit the movable block to rotate towards a second direction, and the second direction is opposite to the first direction.

12. A drive arrangement according to claim 11, wherein: the rotation limiting bulge is arranged on the lower guide surface of the movable block.

13. A drive arrangement according to any one of claims 1 to 12, wherein: the push rod is characterized by further comprising a first key which can move relative to the mounting part, and the first key is in transmission connection with the lower end of the push rod.

14. A drive arrangement according to any one of claims 1 to 12, wherein: the push rod is characterized by further comprising a key, wherein one end of the key is connected with the lower matching part in a swinging mode, and the key is also abutted against the lower end of the push rod.

15. A drive arrangement according to any one of claims 1 to 12, wherein: the elastic body is sleeved on the central shaft and abuts against the space between the upper matching part and the movable block.

16. A drive arrangement according to any one of claims 1 to 12, wherein: the fixed guide surface, the first inner guide surface, the lower guide surface and the third upper guide surface are all helical surfaces or inclined surfaces.

17. A drive arrangement according to claim 1, wherein: the driven disk comprises a water diversion disk, a plurality of water diversion channels are arranged on the mounting part, and the water diversion disk is mounted in the mounting part and matched with the water diversion channels to be capable of switching the water channels through rotation of the water diversion disk.

18. A drive arrangement according to claim 17, wherein: the mounting part is provided with a water distribution cavity, the lower matching part is provided with a second through channel, the push rod is connected with the second through channel in a sliding mode, and the second through channel is communicated with the water distribution cavity.

19. A drive arrangement according to claim 1, wherein: the installation part is provided with a water inlet channel, the driven disk is arranged on the water inlet channel and can rotate relative to the installation part, and the on-off of the water inlet channel is controlled by the rotation of the driven disk.

20. A drive arrangement according to claim 19, wherein: the driven plate comprises a peripheral wall, the first through channel is arranged in the peripheral wall, a water passing groove penetrating through the inside and the outside is concavely arranged on the end face of the peripheral wall, the driven plate can rotate between an on position and an off position relative to the mounting part, the water passing groove of the driven plate at the on position forms a part of the water inlet path, and the water inlet path is blocked by the peripheral wall of the driven plate at the off position.

21. A drive arrangement according to claim 19, wherein: the bottom wall of the water inlet path is concavely provided with a mounting groove, the lower matching part is arranged in the mounting groove, the bottom of the mounting groove is provided with a connecting groove communicated with the outside of the mounting part, and the tail end of the push rod can hermetically slide to penetrate through the connecting groove and extend out of the mounting part; the top wall of the water inlet path is provided with a through groove penetrating through the inside and the outside, and the upper matching part is hermetically connected in the through groove; the driven plate is correspondingly arranged between the mounting groove and the through groove.

22. A drive arrangement according to any one of claims 19 to 21, wherein: the water distribution device further comprises a water distribution disc, a second key and a ratchet and pawl intermittent motion mechanism which are movably connected to the mounting portion, the ratchet and pawl intermittent motion mechanism is in transmission connection between the second key and the water distribution disc, the mounting portion further comprises a water distribution cavity communicated with the water inlet channel and a plurality of water distribution channels, and the water distribution disc is rotatably connected to the mounting portion and at least controls the plurality of water distribution channels to be switched to be communicated with the water distribution cavity through rotation of the water distribution disc.

23. A drive arrangement according to any one of claims 19 to 21, wherein: the device also comprises a first key movably connected with the mounting part, a water diversion disc, a second key movably connected with the mounting part and a ratchet wheel and pawl intermittent motion mechanism; the first key is fixedly connected with the lower end of the push rod; the ratchet and pawl intermittent motion mechanism is connected between the second key and the water distribution disc in a transmission manner, the mounting part further comprises a water distribution cavity communicated with the water inlet channel and a plurality of water distribution channels, and the water distribution disc is rotatably connected to the mounting part and at least controls the plurality of water distribution channels to be switched to be communicated with the water distribution cavity through the rotation of the water distribution disc; the first key and the second key are arranged side by side.

24. A driving device is arranged on a mounting part and is in transmission connection with a driven disk so as to drive the driven disk to rotate; the method is characterized in that: the driving device comprises a driving mechanism; the driving mechanism comprises a push rod, a movable block and an elastic body; the push rod is connected with the mounting part in a sliding way, the sliding push rod pushes the movable block to move, the movement of the movable block comprises a first stage movement and a second stage movement, the movable block slides and pushes the driven disc to rotate towards the first direction in the first stage movement, and the movable block can at least rotate towards the first direction and drives the driven disc to rotate towards the first direction in the second stage movement so as to drive the driven disc to complete control; the elastic body stores energy in the first stage of activity and the second stage of activity of the movable block and drives the driving mechanism to reset through energy storage and energy release.

25. A handheld water outlet device is characterized in that: comprising a drive arrangement according to claim 23, the mounting portion comprising a handle portion and a head portion fixedly secured together, the first button and the second button being slidably connected to the handle portion, the outlet chamber being provided in the head portion, the inlet path being provided in the handle portion and the head portion, the driven disc being rotatably connected to the handle portion.

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