CN115106207B - Shower head - Google Patents
Shower head Download PDFInfo
- Publication number
- CN115106207B CN115106207B CN202210878559.9A CN202210878559A CN115106207B CN 115106207 B CN115106207 B CN 115106207B CN 202210878559 A CN202210878559 A CN 202210878559A CN 115106207 B CN115106207 B CN 115106207B
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- China
- Prior art keywords
- main body
- reinforcing rib
- pawl
- water
- upper main
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims description 45
- 239000003351 stiffener Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 description 19
- 230000000670 limiting effect Effects 0.000 description 18
- 230000009471 action Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
Abstract
The invention discloses a shower head, which comprises a shell; the water outlet main body is arranged in the shell and is provided with a water inlet and a plurality of water outlets, and comprises an upper main body, a lower main body and a rotary table, wherein the upper main body is fixedly connected with the lower main body, a water containing cavity is formed between the upper main body and the lower main body, the rotary table is arranged in the water containing cavity, and the rotary table is provided with a water guide hole; the driving mechanism and the stepping mechanism are arranged on the water outlet main body, and the driving mechanism drives the turntable to rotate through the stepping mechanism so that the water inlet is communicated with the corresponding water outlet through the water guide hole; the reinforcing component comprises a reinforcing rib ring arranged on the upper surface of the upper main body and reinforcing rib strips arranged on the lower surface of the upper main body, and the reinforcing rib ring is arranged along the circumferential direction of the upper main body; the height of the reinforcing rib ring is larger than that of the driving mechanism and the stepping mechanism, and the outer side wall of the reinforcing rib ring is provided with reinforcing rib blocks for supporting the reinforcing rib ring. The shower head provided by the invention can effectively prevent the conditions of clamping stagnation and switching failure during water outlet switching.
Description
The application is a divisional application with the application date of 2021.08.16, the application number of 202110937343.0 and the application name of water outlet switching device and shower head.
Technical Field
The invention relates to the technical field of bathroom products, in particular to a shower head.
Background
In order to realize the switching of various water outlet modes of bathroom products such as showers, the conventional showers generally adopt a rotary panel to realize the switching of different water outlet modes. For example, a water outlet switching device is arranged on the shower, and the switching of different water outlet modes is realized by rotating a rotating panel on the shower. However, because the water flowing in the water outlet switching device at high temperature and high pressure can generate a certain acting force on the main body of the device, the main body is deformed and protrudes upwards, the switching part arranged on the main body is blocked with the shell of the shower head, so that the switching can not be realized, the switching can not be invalid, the water outlet switching device can not work normally, and the shower head can not realize water outlet switching.
Disclosure of Invention
The invention also aims to solve the technical problem of providing the shower head, which can effectively prevent clamping stagnation and switching failure.
In order to solve the technical problems, the invention provides a shower head, comprising: a housing; the water outlet main body is arranged in the shell and is provided with a water inlet and a plurality of water outlets, the water outlet main body comprises an upper main body, a lower main body and a rotary table, the upper main body is fixedly connected with the lower main body, a water containing cavity is formed between the upper main body and the lower main body, the rotary table is arranged in the water containing cavity, and the rotary table is provided with a water guide hole; the driving mechanism and the stepping mechanism are arranged on the water outlet main body, and the driving mechanism drives the turntable to rotate through the stepping mechanism so that the water inlet is communicated with the corresponding water outlet through the water guide hole; the reinforcing component comprises a reinforcing rib ring arranged on the upper surface of the upper main body and reinforcing rib strips arranged on the lower surface of the upper main body, and the reinforcing rib ring is arranged along the circumferential direction of the upper main body; the height of the reinforcing rib ring is larger than that of the driving mechanism and the stepping mechanism, and the outer side wall of the reinforcing rib ring is provided with reinforcing rib blocks for supporting the reinforcing rib ring.
The shower head provided by the embodiment of the invention has at least the following beneficial effects:
the strengthening component is arranged on the water outlet main body, the strength of the water outlet main body can be increased by the strengthening component, and the water outlet main body is prevented from deforming in a long-term high-temperature and high-pressure environment, so that the switching component pawl and ratchet wheel arranged on the water outlet main body are prevented from being blocked with the sprinkler shell, and switching cannot be realized. Wherein, the strengthening subassembly is including locating the strengthening rib ring of main part upper surface and locating the strengthening rib strip of main part lower surface, and when the play water main part warp and upwards bulge, the strengthening rib ring can touch the inner wall of gondola water faucet casing, plays spacing effect to the play water main part, and the height that highly is greater than actuating mechanism and step by step mechanism of strengthening rib ring simultaneously makes actuating mechanism and step by step mechanism can not with the casing jamming, guarantees actuating mechanism and step by step mechanism normal work, effectively avoids taking place to switch to become invalid. The setting of strengthening rib piece can play the supporting role to the strengthening rib ring, increases the intensity of strengthening rib ring. The strength of the water outlet main body can be increased by the reinforcing ribs, so that the water outlet main body is not easy to deform.
According to some embodiments of the invention, the stiffener ring and the stiffener block are both perpendicular to the plane of the upper body.
According to some embodiments of the invention, the reinforcing ribs are provided in a plurality and are arranged along the circumferential direction of the upper body.
According to some embodiments of the invention, each of the reinforcing ribs extends in the same direction as the radial direction of the upper body.
According to some embodiments of the invention, the stiffener ring abuts or is in a gap with an inner wall of the housing.
According to some embodiments of the invention, the driving mechanism comprises a driving assembly and a transmission assembly, the driving assembly comprises a driving piece and a crank, the driving piece and the crank are both movably connected with the upper main body, the transmission assembly comprises a transmission rod and a first spring, the transmission rod and the first spring are arranged on the upper main body, two ends of the first spring respectively collide with the transmission rod and the upper main body, the driving piece drives the transmission rod through the crank, and the transmission rod is reset through the first spring.
According to some embodiments of the invention, the stepping mechanism comprises a pawl, a ratchet wheel and a rotating shaft, the upper main body is provided with a transmission hole, the rotating shaft penetrates through the transmission hole, the ratchet wheel is arranged on the upper surface of the upper main body, the rotating disc and the ratchet wheel are sleeved outside the rotating shaft, and the ratchet wheel drives the rotating disc to rotate through the rotating shaft; the pawl is movably connected with the transmission rod and can be meshed with the ratchet wheel, so that the pawl drives the ratchet wheel to rotate.
According to some embodiments of the invention, the stepping mechanism is arranged in the reinforcing rib ring, the stepping mechanism further comprises a tight driving mechanism, the tight driving mechanism comprises a tight component for pushing the pawl to the ratchet wheel, the tight component comprises a cavity arranged in the pawl, a third spring and a contact block, the third spring and the contact block are arranged in the cavity, a guide post is arranged in the cavity, the third spring is sleeved outside the guide post, and the contact block is in contact with the reinforcing rib ring through the third spring so as to enable the pawl to move towards the ratchet wheel.
According to some embodiments of the invention, the inner side wall of the cavity is provided with a clamping strip, the outer side wall of the contact block is provided with a clamping angle, and the clamping angle is clamped on the clamping strip so as to prevent the contact block from being separated from the cavity.
According to some embodiments of the invention, the crank comprises a handle and a curved portion, one end of the handle is hinged with the upper main body, the other end of the handle is connected with the curved portion, the curved portion moves circularly through the handle, one end of the curved portion is abutted with the driving piece, and the other end of the curved portion is abutted with the transmission rod.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a front view of a water outlet switching device of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view of the portion of the immediate assembly of FIG. 1 taken along line C-C;
FIG. 5 is a perspective view of FIG. 1;
FIG. 6 is a state diagram of the pawl driven ratchet of the present invention;
FIG. 7 is a schematic view of the upper surface of the upper body of FIG. 5;
FIG. 8 is a schematic view of the structure of the lower surface of the upper body of FIG. 5;
FIG. 9 is a schematic view of the side of the main body of FIG. 5;
FIG. 10 is a schematic view of the structure of the upper surface of the turntable of the present invention;
FIG. 11 is a schematic view of the structure of the lower surface of the turntable of the present invention;
FIG. 12 is a schematic view of the seal ring of the present invention;
FIG. 13 is a front elevational view of the pawl of the present invention;
fig. 14 is a perspective view of fig. 13;
FIG. 15 is a front view of the shower head of the present invention;
fig. 16 is a sectional view of the pawl portion of fig. 15 taken along the line D-D.
Reference numerals:
an upper body 1; a water inlet 1a; a transmission hole 1b; a stop collar 1c; a first guide bar 1d; a first limit clamping block 1e; a rib ring 1f; 1g of reinforcing rib blocks; reinforcing ribs for 1h;
a lower body 2; a water outlet 2a; a recessed position 2b;
a water containing cavity 3;
a turntable 4; a water guide hole 4a; a first rounded corner 4a1; a second rounded corner 4a2; a second groove 4b; a second guide bar 4c; a boss 4d;
a driving member 5;
a crank 6;
a transmission rod 7; a guide groove 7a;
a first spring 8;
a pawl 9; a cavity 9a; a guide post 9a1; a clip strip 9a2; a third spring 9b; a contact block 9c; a driving tooth 9d; a drive tooth surface 9d1; an intrados surface 9d2;
a ratchet 10; external teeth 10a; an outer tooth surface 10b1;
a rotating shaft 11; a limit table 11a; a first groove 11b; a stopper 11c;
a second spring 12;
a locking claw 13;
a seal ring 14;
a housing 100; and the limit rib block 101.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present invention, are used only with reference to the drawings of the present invention, and are not meant to be limiting in any way.
Referring to fig. 1-14, the invention discloses a water switching device, which comprises a water outlet main body, a driving mechanism and a stepping mechanism, wherein the driving mechanism and the stepping mechanism are arranged on the water outlet main body, the water outlet main body is provided with a water inlet 1a and a water outlet 2a, a rotary table 4 is arranged in the water outlet main body, the rotary table 4 is provided with a water guide hole 4a, and the driving mechanism drives the rotary table 4 to rotate through the stepping mechanism so that the water inlet 1a is communicated with different water outlets 2a through the water guide hole 4a, and thus, the water outlet switching is realized.
The water outlet main body is provided with a reinforcing component for increasing the strength of the water outlet main body, and the stepping mechanism comprises a tightly driving mechanism for enhancing the operation effect of the stepping mechanism.
The strengthening component is arranged on the water outlet main body, and can increase the strength of the water outlet main body, so that the water outlet main body is prevented from deforming in a long-term high-temperature and high-pressure environment, and the situation that the switching component pawl 9 and the ratchet wheel 10 which are arranged on the water outlet main body are blocked with the shell 100 of the shower head so as not to realize switching is avoided. The invention also provides a tight driving mechanism, which ensures that the pawl 9 is not easy to separate from the ratchet 10 in the water outlet switching process, the pawl 9 can effectively and reliably drive the ratchet 10 to rotate, the operation is reliable, and the switching failure is effectively prevented.
Specifically, as shown in fig. 2, the water outlet main body comprises an upper main body 1 and a lower main body 2 fixedly connected with the upper main body 1, a water containing cavity 3 is formed between the upper main body 1 and the lower main body 2, a water inlet 1a is formed in the upper main body 1, a water outlet 2a is formed in the lower main body 2, and a rotary disc 4 is arranged in the water containing cavity 3. By rotating the rotary disk 4, the water guide holes 4a are communicated with different water outlets 2a, and the different water outlets 2a are communicated with the water containing cavity 3, so that water entering the water containing cavity 3 from the water inlet 1a flows to the different water outlets 2a through the water guide holes 4 a. Therefore, the rotary table 4 can be rotated to realize the switching of different water outlet modes.
As shown in fig. 1 to 9, the reinforcing component comprises a reinforcing rib ring 1f respectively arranged on the upper surface of the upper main body 1 and a reinforcing rib strip 1h arranged on the lower surface of the upper main body 1, wherein the height of the reinforcing rib ring 1f is larger than that of the driving mechanism and the stepping mechanism, and a reinforcing rib block 1g for supporting the reinforcing rib ring 1f is arranged on the outer side wall of the reinforcing rib ring 1 f. When the water outlet main body deforms and protrudes upwards, the reinforcing rib ring 1f can touch the inner wall of the shell 100, the water outlet main body is limited, and meanwhile, the height of the reinforcing rib ring 1f is larger than that of the driving mechanism and the stepping mechanism, so that the driving mechanism and the stepping mechanism cannot be blocked with the shell 100, and normal operation of the driving mechanism and the stepping mechanism is guaranteed. The reinforcing rib blocks 1g can support the reinforcing rib ring 1f and strengthen the strength of the reinforcing rib ring 1 f. The strength of the water outlet main body can be enhanced by the reinforcing ribs 1h, so that the water outlet main body is not easy to deform.
Preferably, the bead ring 1f is disposed along the circumferential direction of the upper body 1, and both the bead ring 1f and the bead block 1g are perpendicular to the plane of the upper body 1. The reinforcing ribs 1h are provided with a plurality of reinforcing ribs and are distributed along the circumferential direction of the upper main body 1, and the extending direction of each reinforcing rib 1h is the same as the radial direction of the upper main body 1. The setting of strengthening the subassembly can strengthen the bulk strength of last main part 1, avoids last main part 1 to warp and lead to switching inefficacy under the rivers of high temperature high pressure.
As shown in fig. 3, the driving mechanism comprises a driving assembly and a transmission assembly, the driving assembly comprises a driving piece 5 and a crank 6 which are both movably connected with the upper main body 1, the transmission assembly comprises a transmission rod 7 and a first spring 8 which are arranged on the upper main body 1, two ends of the first spring 8 are respectively abutted against the transmission rod 7 and the upper main body 1, the driving piece 5 drives the transmission rod 7 through the crank 6, and the transmission rod 7 is reset through the first spring 8.
Preferably, the driving member 5 and the crank 6 are hinged to the upper body 1, respectively. One end of the crank 6 is abutted with the driving member 5, the other end is abutted with the transmission rod 7, and the driving member 5 drives the transmission rod 7 to move through the crank 6. Specifically, the crank 6 includes a shank portion and a curved portion, one end of the shank portion is hinged to the upper body 1, the other end is connected to the curved portion, and the curved portion performs a circular motion through the shank portion. One end of the curved part is abutted with the driving piece 5, and the other end is abutted with the transmission rod 7. One end of the driving member 5 is hinged to the upper body 1, and the other end is abutted to the curved portion. The user only needs to push the driving piece 5 by one hand to rotate, and the driving piece 5 pushes the curved part to rotate again, so that the crank pushes the transmission rod 7 to move. More preferably, the curved portion is arcuate.
Preferably, as shown in fig. 3 and 7-9, the upper main body 1 is provided with a first guide rod 1d and a first limiting clamping block 1e, the transmission rod 7 is provided with a guide groove 7a and a second limiting clamping block 7b, the first spring 8 is arranged in the guide groove 7a and sleeved outside the first guide rod 1d, and the second limiting clamping block 7b can be clamped on the first limiting clamping block 1e to prevent the transmission rod 7 from being separated from the upper main body 1. The guide groove 7a and the first guide rod 1d respectively play a guide role for the first spring 8, so that the first spring 8 is ensured to be compressed and stretched on the same straight line, and the transmission rod 7 is ensured to move back and forth on the same straight line. The arrangement of the first limiting clamping block 1e and the second limiting clamping block 7b ensures that the transmission rod 7 cannot be separated from the water outlet main body under the action of the first spring 8, and the transmission rod 7 has a limiting effect.
As shown in fig. 1-3 and 5-8, the stepping mechanism comprises a pawl 9, a ratchet wheel 10 and a rotating shaft 11, the upper main body 1 is provided with a transmission hole 1b, the rotating shaft 11 is arranged on the transmission hole 1b in a penetrating manner, the ratchet wheel 10 is arranged on the upper surface of the upper main body 1, the rotating disc 4 and the ratchet wheel 10 are sleeved outside the rotating shaft 11, the circumferences of the rotating disc 4, the ratchet wheel 10 and the rotating shaft 11 are relatively fixed, and the ratchet wheel 10 drives the rotating disc 4 to rotate through the rotating shaft 11; the pawl 9 is movably connected with the transmission rod 7 and can be meshed with the ratchet 10, so that the pawl 9 drives the ratchet 10 to rotate. Preferably, the pawl 9 is hinged to the transmission rod 7. The pawl 9 is driven by driving the transmission rod 7, so that the pawl 9 drives the ratchet wheel 10 to rotate, the ratchet wheel 10 drives the rotating shaft 11 to rotate, and the rotating shaft 11 drives the turntable 4 to rotate.
Preferably, as shown in fig. 2, the stepping mechanism further includes a second spring 12, and the second spring 12 abuts against the rotating shaft 11 and the rotating disc 4, respectively, so that the rotating disc 4 is attached to the lower body 2. The second spring 12 is provided to keep the lower body 2 in contact with the turntable 4 all the time during the rotation of the turntable 4, so as to ensure that the water in the water guide hole 4a flows to the water outlet 2a communicated with the water guide hole.
More preferably, as shown in fig. 2 and 10, the rotating shaft 11 is provided with a first groove 11b with an opening facing the rotating disc 4, the rotating disc 4 is provided with a second groove 4b with an opening facing the rotating shaft 11, a second guide rod 4c is arranged in the second groove 4b, and the second spring 12 is respectively arranged in the first groove 11b and the second groove 4b and sleeved outside the second guide rod 4 c. The second spring 12 ensures that the compression and the extension of the second spring 12 are in the same straight line direction under the limit and the guide of the first groove 11b and the second groove 4b, thereby ensuring the reliability of the operation of the second spring 12. The second guide rod 4c also plays a role in guiding the second spring 12, so that the working reliability of the second spring 12 is further ensured.
More preferably, as shown in fig. 2, the rotating shaft 11 is provided with a limiting table 11a and a limiting block 11c, the limiting table 11a is clamped on the upper main body 1, and the ratchet 10 is clamped on the limiting block 11 c. The limiting table 11a is arranged, so that the rotating shaft 11 cannot be separated from the transmission hole 1b, and the rotating shaft 11 cannot be separated from the water outlet main body. The setting of the limiting block 11c prevents the ratchet wheel 10 from being separated from the rotating shaft 11, thereby ensuring the switching reliability. The limit table 11a and the limit block 11c are matched together, so that the structure is compact and reliable, and the reliable operation, namely the reliable switching, is ensured.
Preferably, as shown in fig. 2, the bottom wall of the upper main body 1 is provided with a limiting ring 1c, and the turntable 4 is embedded in the limiting ring 1c, so that the reliable connection between the turntable 4 and the rotating shaft 11 is ensured, and the radial and axial relative fixation of the turntable 4 and the upper main body 1 is ensured.
Preferably, as shown in fig. 2, the lower body 2 is provided with a recess 2b, the turntable 4 is provided with a boss 4d, the recess 2b is matched with the boss 4d, and the boss 4d is embedded in the recess 2b, so that the radial directions of the lower body 2 and the turntable 4 are relatively fixed.
Specifically, the step mechanism is disposed in the stiffener ring 1f, as shown in fig. 4, the tight driving mechanism includes a tight assembly for pushing the pawl 9 to the ratchet 10, the tight assembly includes a cavity 9a disposed on the pawl 9, a third spring 9b and a contact block 9c mounted in the cavity 9a, a guide post 9a1 is disposed in the cavity 9a, the third spring 9b is sleeved outside the guide post 9a1, and the contact block 9c abuts against the stiffener ring 1f through the third spring 9b, so that the pawl 9 moves toward the ratchet 10. The contact block 9c is abutted against the reinforcing rib ring 1f under the action of the third spring 9b, and meanwhile, the pawl 9 moves towards the ratchet 10 under the action of the reinforcing rib ring 1f and the third spring 9b, namely, the pawl 9 is pushed towards the ratchet 10 by the following assembly, so that the pawl 9 is guaranteed to move towards one side of the ratchet 10, the pawl 9 is not separated from the ratchet 10, and switching failure is prevented.
Preferably, for easy installation, the inner side wall of the cavity 9a is provided with a clamping strip 9a2, the outer side wall of the contact block 9c is provided with a clamping angle 9c1, and the clamping angle 9c1 is clamped on the clamping strip 9a2 to prevent the contact block 9c from being separated from the cavity 9a. The third spring 9b and the contact block 9c are firstly arranged on the pawl 9, and then the pawl 9 is arranged on the upper main body 1, so that the installation is convenient and quick. The catch angle 9c1 interacts with the catch bar 9c2 preventing the contact block 9c from coming out of the cavity 9a.
Further, as shown in fig. 6 and 13-14, the tight driving mechanism comprises a driving assembly, the driving assembly comprises a driving tooth 9d arranged on one side of the pawl 9 close to the ratchet wheel 10 and an external tooth 10a arranged on the periphery of the ratchet wheel 10, and the pawl 9 abuts against the external tooth 10a through the driving tooth 9d to drive the ratchet wheel 10 to rotate. The driving teeth 9d comprise driving tooth surfaces 9d1 and inner cambered surfaces 9d2, the external teeth 10a comprise external tooth surfaces 10b1 which are arranged opposite to the driving tooth surfaces 9d1, and a preset included angle alpha is formed between the plane of the driving tooth surfaces 9d1 and a reference line of the pawl 9, so that the driving tooth surfaces 9d1 and the external tooth surfaces 10b1 are automatically attached to realize automatic engagement of the pawl 9 and the ratchet 10.
Preferably, the angle α is 60 ° -85 °. More preferably, the included angle α is 70 ° -85 °. More preferably, the included angle α is 80 ° -85 °. More preferably, the included angle α is 83 ° to 85 °. More preferably, the included angle α is 83 °, 84 °, or 85 °. If the included angle alpha is smaller than 60 degrees, a larger impact force is generated between the pawl 9 and the ratchet wheel 10 under the action of the tooth driving surface 9d1, the tooth driving surface 9d1 and the outer tooth surface 10b1 cannot be attached, so that unstable engagement is caused, and the pawl 9 and the ratchet wheel 10 are easily separated, so that switching failure is caused. If the included angle α is greater than 85 °, the pawl 9 and the ratchet 10 cannot automatically engage, and may even be separated, and the pawl 9 cannot drive the ratchet 10, which also causes a switching failure. Therefore, when the included angle alpha is 60-85 degrees, the automatic engagement of the pawl 9 and the ratchet 10 is effectively ensured, and the switching reliability is high.
The pawl 9 drives the ratchet wheel 10 to rotate under the action of the transmission rod 7, specifically by the interference of the driving teeth 9d with the external teeth 10 a. In the driving process, the external teeth 10a are firstly abutted against the driving tooth surface 9d1, and as the plane where the driving tooth surface 9d1 is located and the reference line of the pawl 9 form a preset included angle alpha, the external teeth 10a slide to the inner side of the driving tooth surface 9d1 from the tooth tip of the external teeth 10a under the action of the driving tooth surface 9d1, so that the driving tooth surface 9d1 is abutted with the external tooth surface 10b1, the automatic engagement of the driving tooth 9d and the external teeth 10a, namely the automatic engagement of the pawl 9 and the ratchet 10, is realized, the pawl 9 and the ratchet 10 are not easy to separate in the driving process, the switching reliability is ensured, and the switching failure is avoided. The inner cambered surface 9d2 is a surface formed by recessing towards the inside of the pawl 9, and the arrangement of the inner cambered surface 9d2 can play a role in avoiding positions, so that the blocking caused by interference of the pawl 9 and the ratchet 10 is effectively prevented, and the switching failure is avoided. The arrangement of the drive-connection assembly enables the pawl 9 to be automatically meshed with the ratchet wheel 10, so that the connection reliability of the pawl 9 and the ratchet wheel 10 is further ensured, and the reliability of operation switching is further ensured.
Preferably, as shown in fig. 1 and 6, the stepping mechanism further includes a stopping claw 13 for stopping the ratchet 10 from being reversed, the stopping claw 13 being made of an elastic material, the stopping claw 13 being caught at the outer periphery of the ratchet 10. Since the pawl 13 is always engaged with the ratchet 10 and the pawl 13 has elasticity, the pawl 13 can change a position engaged with the ratchet 10 when the ratchet 10 rotates. However, if the ratchet 10 rotates in the opposite direction, the pawl 13 collides with the external tooth surface 10b1, thereby preventing the ratchet 10 from reversing, ensuring that the ratchet 10 can only rotate forward but not reverse, and avoiding the switching failure.
Further, as shown in fig. 2 and 12, a seal ring 14 for sealing water is provided on the inner side wall of the lower body 1, and the turntable 4 is hermetically connected to the lower body 1 via the seal ring 14, and the seal ring 14 has a longitudinal cross-sectional shape with a wide middle and narrow ends. The upper end and the lower end of the sealing ring 14 are narrower than the middle part, namely the upper end and the lower end are symmetrically arranged, so that the contact area between the rotary disk 4 and the sealing ring 14 is reduced, the friction force is reduced, the switching hand feeling is lighter, and the operation is easy. Meanwhile, the upper end and the lower end are narrow, so that convenience is brought to installation, and the installation direction does not need to be identified.
Preferably, as shown in fig. 10 and 11, the upper opening edge of the water guiding hole 4a is provided with a first rounded corner 4a1, and the lower opening edge is provided with a second rounded corner 4a2. The invention utilizes the coanda effect, and leads the water on the upper surface of the rotary disk 4 to the water guide hole 4a through the first round angle 4a1, thereby realizing quick water outlet. The second rounded corners 4a2 can prevent the sealing ring 14 from being damaged by scraping the sealing ring 14 at the edge of the water guide hole 4a in the rotating process of the turntable 4, so that the water sealing effect is weakened.
Correspondingly, as shown in fig. 15-16, the invention also discloses a shower head, which comprises a shell 100 and the water outlet switching device arranged in the shell 100. The specific structure of the water outlet switching device is as above, and will not be described here again. Wherein, the distance between the top end of the reinforcing rib ring 1f and the inner wall of the housing 100 is 1mm, and the distance between the top end of the rotating shaft 11 and the inner wall of the housing 100 is 2mm.
Preferably, the upper side of the inner side wall of the shell 100 corresponding to the pawl 9 is provided with a limit rib 101. The limiting rib block 101 plays a limiting role on the pawl 9, and switching failure caused by upwarp of the pawl 9 is prevented.
The working principle of the water outlet switching device of the invention is as follows: the driving member 5 is manually pressed, the driving member 5 pushes the crank 6, the crank 6 pushes the transmission rod 7 to move towards the ratchet 10, and the pawl 9 moves towards the ratchet 10. At the same time, the pawl 9 automatically engages with the ratchet 10 under the action of the tightly driving mechanism, so that the pawl 9 drives the ratchet 10 to rotate. The ratchet wheel 10 drives the turntable 4 to rotate through the rotating shaft 11, so that the water guide holes 4a are connected with different water outlets 2a, and water outlet switching is realized. The driving rod 7 is reset under the action of the first spring 8 by loosening the hand, the pawl 9, the crank 6 and the driving piece 5 are reset at the same time, and the ratchet wheel 10 is not driven by the pawl 9 under the action of the stopping claw 13. Thus, the next switching operation can be performed.
The implementation of the invention has the following beneficial effects:
the invention sets the strengthening component on the water outlet main body, the strengthening component can increase the strength of the water outlet main body, and avoid the deformation of the water outlet main body in the environment of long-term high temperature and high pressure, thereby avoiding the situation that the switching component pawl 9 and ratchet 10 arranged on the water outlet main body are blocked with the shell 100 and can not realize the switching. Wherein, the strengthening subassembly includes strengthening rib ring 1f and strengthening rib strip 1h, and when the play water main part warp and upwards bulge, the strengthening rib ring 1f can touch the inner wall of casing 100, plays spacing effect to the play water main part, and the height that highly is greater than actuating mechanism and step by step mechanism of strengthening rib ring 1f simultaneously makes actuating mechanism and step by step mechanism can not with casing 100 jamming, guarantees actuating mechanism and step by step mechanism normal work. The reinforcing rib blocks 1g can support the reinforcing rib ring 1f and strengthen the strength of the reinforcing rib ring 1 f. The strength of the water outlet main body can be enhanced by the reinforcing ribs 1h, so that the water outlet main body is not easy to deform.
In addition, the invention also provides a tight driving mechanism, so that the pawl 9 and the ratchet wheel 10 are not easy to separate in the water outlet switching process, the pawl 9 can effectively and reliably drive the ratchet wheel 10 to rotate, the operation is reliable, and the switching failure is effectively prevented. Specifically, the tight drive mechanism comprises a tight connection assembly and a tight drive connection assembly, the tight connection assembly pushes the pawl 9 to the ratchet 10, the pawl 9 is guaranteed to move to one side of the ratchet 10, the pawl 9 is not separated from the ratchet 10, and switching failure is prevented. The driving assembly enables the pawl 9 to be automatically meshed with the ratchet wheel 10, so that the connection reliability of the pawl 9 and the ratchet wheel 10 is further ensured, and the reliability of operation switching is further ensured.
In conclusion, the water outlet switching device and the shower head are compact and firm in structure and reliable in operation, and clamping stagnation and switching failure are effectively prevented.
The foregoing is a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention and are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A shower head, comprising:
a housing;
the water outlet main body is arranged in the shell and is provided with a water inlet and a plurality of water outlets, the water outlet main body comprises an upper main body, a lower main body and a rotary table, the upper main body is fixedly connected with the lower main body, a water containing cavity is formed between the upper main body and the lower main body, the rotary table is arranged in the water containing cavity, and the rotary table is provided with a water guide hole;
the driving mechanism and the stepping mechanism are arranged on the water outlet main body, and the driving mechanism drives the turntable to rotate through the stepping mechanism so that the water inlet is communicated with the corresponding water outlet through the water guide hole;
the reinforcing component comprises a reinforcing rib ring arranged on the upper surface of the upper main body and reinforcing rib strips arranged on the lower surface of the upper main body, and the reinforcing rib ring is arranged along the circumferential direction of the upper main body; the height of the reinforcing rib ring is larger than that of the driving mechanism and the stepping mechanism, and the outer side wall of the reinforcing rib ring is provided with reinforcing rib blocks for supporting the reinforcing rib ring.
2. The showerhead of claim 1 wherein the stiffener ring and the stiffener block are both perpendicular to the plane of the upper body.
3. The shower head according to claim 1, wherein the reinforcing ribs are provided in a plurality and are arranged in a circumferential direction of the upper body.
4. A showerhead according to claim 3 wherein each of the stiffening ribs extends in the same direction as the radial direction of the upper body.
5. The showerhead of claim 1 wherein the stiffener ring abuts or is in gap with an inner wall of the housing.
6. The shower head of claim 1, wherein the driving mechanism comprises a driving assembly and a transmission assembly, the driving assembly comprises a driving member and a crank, the driving member and the crank are both movably connected with the upper main body, the transmission assembly comprises a transmission rod and a first spring which are arranged on the upper main body, two ends of the first spring respectively collide with the transmission rod and the upper main body, the driving member drives the transmission rod through the crank, and the transmission rod is reset through the first spring.
7. The shower head according to claim 6, wherein the step mechanism comprises a pawl, a ratchet wheel and a rotating shaft, the upper main body is provided with a transmission hole, the rotating shaft is arranged in the transmission hole in a penetrating manner, the ratchet wheel is arranged on the upper surface of the upper main body, the rotating disc and the ratchet wheel are sleeved outside the rotating shaft, and the ratchet wheel drives the rotating disc to rotate through the rotating shaft; the pawl is movably connected with the transmission rod and can be meshed with the ratchet wheel, so that the pawl drives the ratchet wheel to rotate.
8. The shower head of claim 7, wherein the step mechanism is disposed in the stiffener ring, the step mechanism further comprises a tight driving mechanism, the tight driving mechanism comprises a tight assembly for pushing the pawl to the ratchet wheel, the tight assembly comprises a cavity disposed in the pawl, a third spring and a contact block mounted in the cavity, a guide post is disposed in the cavity, the third spring is sleeved outside the guide post, and the contact block is abutted against the stiffener ring through the third spring so as to enable the pawl to move towards the ratchet wheel.
9. The showerhead of claim 8, wherein the inner sidewall of the cavity is provided with a clip, and the outer sidewall of the contact block is provided with a clip, the clip being clipped to the clip to prevent the contact block from escaping from the cavity.
10. The showerhead of claim 6, wherein the crank comprises a handle and a curved portion, one end of the handle is hinged to the upper body, the other end of the handle is connected to the curved portion, the curved portion moves circumferentially through the handle, one end of the curved portion abuts against the driving member, and the other end abuts against the driving rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210878559.9A CN115106207B (en) | 2021-08-16 | 2021-08-16 | Shower head |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210878559.9A CN115106207B (en) | 2021-08-16 | 2021-08-16 | Shower head |
| CN202110937343.0A CN113663827B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
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| CN202110937343.0A Division CN113663827B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
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| CN115106207A CN115106207A (en) | 2022-09-27 |
| CN115106207B true CN115106207B (en) | 2023-12-22 |
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| CN202210878559.9A Active CN115106207B (en) | 2021-08-16 | 2021-08-16 | Shower head |
| CN202210947066.6A Active CN115365019B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202210919763.0A Active CN115254472B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202210947060.9A Active CN115365018B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202210878558.4A Active CN115106206B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202110937343.0A Active CN113663827B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202210919550.8A Active CN115254471B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
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| CN202210947066.6A Active CN115365019B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202210919763.0A Active CN115254472B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202210947060.9A Active CN115365018B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202210878558.4A Active CN115106206B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202110937343.0A Active CN113663827B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
| CN202210919550.8A Active CN115254471B (en) | 2021-08-16 | 2021-08-16 | Water outlet switching device and shower head |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115365018B (en) | 2024-01-09 |
| CN113663827B (en) | 2022-09-06 |
| CN113663827A (en) | 2021-11-19 |
| CN115254472A (en) | 2022-11-01 |
| CN115365019A (en) | 2022-11-22 |
| CN115254472B (en) | 2023-12-22 |
| CN115106207A (en) | 2022-09-27 |
| CN115106206A (en) | 2022-09-27 |
| CN115365019B (en) | 2024-01-09 |
| CN115365018A (en) | 2022-11-22 |
| CN115254471B (en) | 2024-04-02 |
| CN115254471A (en) | 2022-11-01 |
| CN115106206B (en) | 2024-02-27 |
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