CN216692384U - Eccentric transmission gear switch structure and single-handle faucet - Google Patents
Eccentric transmission gear switch structure and single-handle faucet Download PDFInfo
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- CN216692384U CN216692384U CN202220244241.0U CN202220244241U CN216692384U CN 216692384 U CN216692384 U CN 216692384U CN 202220244241 U CN202220244241 U CN 202220244241U CN 216692384 U CN216692384 U CN 216692384U
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Abstract
The utility model discloses an eccentric transmission gear switch structure, which comprises: the switch shell is provided with a movable opening on the side wall; the switch handle is provided with a holding part and a transmission tooth part, the holding part is arranged on the movable opening in a penetrating mode, the transmission tooth part is connected to the inside of the switch shell in a rotating mode, a plurality of gear teeth are arranged on the side wall of the transmission tooth part, and the movable opening provides a rotating space for the holding part; the transmission toothed bar is rotatably connected inside the switch shell, a meshing portion is arranged on the transmission toothed bar, the meshing portion is meshed with the gear teeth of the transmission toothed portion, and the transmission toothed bar is used for being connected with the valve body. The utility model has the relatively coaxial transmission switch handle, when the rotating strokes are the same, the movable opening on the switch shell is relatively reduced, and the shape requirement of the flat water faucet with small size can be met.
Description
Technical Field
The utility model relates to the technical field of faucet switches. More particularly, the present invention relates to an eccentric gear switch structure and a single-handle faucet.
Background
With the widespread use of faucets and the demand for varied faucets, such as faucets having circular, rectangular, oval, flat, etc., shapes, the faucet is now being used in a variety of applications. The size of the faucet, for example, requires a smaller size. The rotation mode of handle, there is the pressing, horizontal pivoted, vertical pivoted etc. if adopt the mode that the handle level rotated, then need set up great opening on the tap casing for the handle provides the rotation space, and the opening is great, and is unfavorable for reducing tap's size. Therefore, it is an object of the present invention to provide a switch transmission structure that can provide a handle with sufficient rotation space when the opening is small, so as to be suitable for a small-sized faucet.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
To achieve these objects and other advantages in accordance with the purpose of the utility model, there is provided an eccentric drive gear switching structure including:
the switch shell is provided with a movable opening on the side wall;
the switch handle is provided with a holding part and a transmission tooth part, the holding part is arranged on the movable opening in a penetrating mode, the transmission tooth part is connected to the inside of the switch shell in a rotating mode, a plurality of gear teeth are arranged on the side wall of the transmission tooth part, and the movable opening provides a rotating space for the holding part;
the transmission toothed bar is rotatably connected inside the switch shell, a meshing portion is arranged on the transmission toothed bar, the meshing portion is meshed with the gear teeth of the transmission toothed portion, and the transmission toothed bar is used for being connected with the valve body.
Preferably, the transmission tooth part comprises a limiting rotating part and a gear part which are fixedly connected up and down, a first rotating bulge is arranged at the upper end of the limiting rotating part, the first rotating bulge is coaxial with the gear part, and the holding part is fixed on the side wall of the limiting rotating part;
a first limit column ring and a limit stop block are arranged on the switch shell;
the first rotating bulge is limited in the first limiting column ring in a rotating mode, the lower end face of the gear piece is in limiting contact with the limiting stop block, and the upper end face of the limiting rotating piece is in contact with the lower end face of the first limiting column ring.
Preferably, the device further comprises a first friction ring which is sleeved on the first rotating protrusion, and the outer wall of the first friction ring is in contact with the inner wall of the first limiting column ring.
Preferably, the radial section of the switch shell is rectangular in the middle and semicircular at two ends;
the limiting rotation piece is cylindrical, wherein the switch shell is positioned on one side of the movable opening, and the semi-arc shape of the switch shell is coaxial with the limiting rotation piece.
Preferably, the length of the limiting rotating part along the axial direction is greater than that of the movable opening;
the two second friction rings are sleeved at two ends of the limiting rotating piece, and the outer side wall of each second friction ring is in contact with the side wall of the switch shell on one side of the movable opening.
Preferably, the edge of the upper end of the switch shell is provided with a notch, and after the switch shell is connected with the water outlet pipe shell of the water faucet, the notch and the water outlet pipe shell of the water faucet form the movable opening;
the first limiting column ring is arranged in the water outlet pipe shell of the water faucet.
Preferably, a second limiting column ring is arranged in the switch shell, the upper end face of the second limiting column ring is sealed, a second rotating protrusion is arranged at the upper end of the transmission toothed bar, and the second rotating protrusion rotates to limit the position in the second limiting column ring.
Preferably, the transmission gear lever lower extreme is equipped with connecting portion, the columniform recess has been seted up to the connecting portion lower extreme, a plurality of joint slots have been seted up along axial interval on the recess lateral wall, the joint slot is used for the connection gear lever on the joint valve body.
There is provided a single-handle faucet having an eccentric driving gear switching structure, including:
the eccentric transmission gear switch structure;
the lower end of the water outlet pipe shell is detachably connected with the upper end of the switch shell, and a water outlet hose penetrates through the water outlet pipe shell;
the lower end of the transmission toothed bar is connected to the connecting toothed bar of the valve body, and the water inlet end of the water outlet hose is connected to the water outlet end of the valve body.
Preferably, still including the installation casing, installation casing upper end with the switch shell lower extreme can be dismantled and be connected, the lower extreme with the valve body shell can be dismantled and be connected, transmission rack bar lower extreme wears to locate in the installation casing, and with the connection rack bar of valve body is connected, the cover is equipped with under the platform installation fastener on the installation casing lateral wall, the switch shell is located the lateral wall of the below of the portion of gripping perhaps the lateral wall epirelief of installation casing is equipped with the base.
The utility model at least comprises the following beneficial effects: the eccentric transmission gear switch structure provided by the utility model can provide enough rotating space for the switch handle on the premise that the movable opening is small in size, and the switch requirement of a small-size faucet is met.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic longitudinal cross-sectional view of the driving tooth switch structure according to one embodiment of the present invention;
fig. 2 is an exploded detail view of the switch handle according to one embodiment of the present invention;
fig. 3 is a schematic perspective view of the driving rack according to one embodiment of the present invention;
FIG. 4 is a schematic view of the connection between the transmission rack bar and the valve body according to one embodiment of the present invention;
FIG. 5 is a detail view of the switch housing of one embodiment of the present invention;
fig. 6 is a detailed view of the mounting housing of one of the embodiments of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 6, the present invention provides an eccentric transmission gear switch structure, including:
the switch comprises a switch shell 1, a switch cover and a switch cover, wherein a movable opening 11 is formed in the side wall of the switch shell;
the switch handle 2 is provided with a holding part 21 and a transmission tooth part 22, the holding part 21 is arranged on the movable opening 11 in a penetrating mode, the transmission tooth part 22 is connected inside the switch shell 1 in a rotating mode, a plurality of gear teeth are arranged on the side wall of the transmission tooth part 22, and the movable opening 11 provides a rotating space for the holding part 21; the holding part 21 is rotated, the holding part 21 can rotate in the travel range provided by the movable opening 11, and the holding part 21 rotates to drive the transmission tooth part 22 to rotate;
the transmission toothed bar 3 is rotatably connected inside the switch shell 1, an engaging part 34 is arranged on the transmission toothed bar 3, the engaging part 34 is engaged with the gear teeth of the transmission toothed part 22, and the transmission toothed bar 3 is used for being connected with a connection toothed bar 41 of the valve body 4. The rotation of transmission tooth portion 22 can drive transmission ratch 3 and rotate, and after transmission ratch 3 was connected with the connection ratch 41 of valve body 4, then transmission ratch 3 rotated the connection ratch 41 that can drive valve body 4 and rotated to the realization is to the opening and the switch of valve body 4, and the connection ratch 41 of valve body 4 rotates the opening and the switch that realize valve body 4 and is prior art, and it is unnecessary to give unnecessary details here, chooses for use current valve body 4 can.
In the above technical solution, the transmission action of the transmission tooth part 22 and the transmission rack bar 3 is adopted, so that the connection rack bar 41 of the transmission tooth part 22 and the valve body 4 does not need to be coaxially arranged, and eccentric arrangement is realized. When the transmission tooth part 22 realizes the same rotating stroke, the required size of the movable opening 11 is smaller than that of the coaxial arrangement, namely, the size of the movable opening 11 can be reduced, so that when the transmission tooth part is used for being installed on a water faucet, especially a flat water faucet, the size of the movable opening 11 can be obviously reduced.
In another technical scheme, the transmission tooth part 22 comprises a limiting rotation part 23 and a gear part 24 which are fixedly connected up and down, a first rotation protrusion 25 is arranged at the upper end of the limiting rotation part 23, the lower end of the limiting rotation part 23 is fixed with the gear part 24, the first rotation protrusion 25 is coaxial with the gear part 24, and the holding part 21 is fixed on the side wall of the limiting rotation part 23;
a first limit post ring 12 and a limit stop 13 are arranged on the switch shell 1;
the first rotating bulge 25 is rotatably limited in the first limiting column ring 12, the lower end face of the gear piece 24 is in limiting contact with the limiting stop 13, and the upper end face of the limiting rotating piece 23 is in contact with the lower end face of the first limiting column ring 12.
In the above technical solution, the first rotating protrusion 25 extends into the first limit post ring to play a role of positioning the gear piece 24, so that the gear piece can rotate on a limited axis, and is used for preventing the transmission rack bar 3 from eccentrically shaking when rotating, and meanwhile, the lower end face of the gear piece 24 contacts with the limit stop 13, so that the gear piece 24 is limited to rotate at a limited position, and the holding part 21 can stably rotate within the range of the movable opening 11.
In another technical solution, the device further comprises a first friction ring 14, which is sleeved on the first rotating protrusion 25, and an outer wall of the first friction ring 14 is in contact with an inner wall of the first limit post ring 12. The first friction ring 14 is used to prevent the first rotation protrusion 25 from generating rigid friction with the inner wall of the first stopper collar 12 when the holding portion 21 rotates, and to connect the first rotation protrusion 25 with the first stopper collar 12. Can set up annular depressed part on the first rotation arch 25 lateral wall, first friction ring 14 sets up to the disconnection form, and first friction ring 14 cover is located on the depressed part to first friction ring 14 external diameter slightly is greater than the diameter of first rotation arch 25, makes things convenient for first friction ring 14 to be connected to first rotation arch 25 like this, and at long-term rotation process, first friction ring 14 is difficult for deviating from original position, can be permanent play avoid taking place the effect of rigid friction.
The first friction ring 14, and the second friction ring 15 referred to later, are made of a wear-resistant flexible material. Such as rubber material, soft plastic.
In another technical scheme, the radial section of the switch shell 1 is rectangular in the middle and semicircular at two ends;
the limiting rotation piece 23 is cylindrical, wherein the switch shell 1 is located on one side of the movable opening 11, and the semi-arc is coaxial with the limiting rotation piece 23. The space within the switch housing 1 is utilised to a maximum extent and the switch housing 1 so arranged can be fitted to the outlet pipe housing 5 of a flat water tap.
In another technical scheme, the length of the limiting and rotating part 23 along the axial direction is greater than that of the movable opening 11;
the switch further comprises two second friction rings 15, the two second friction rings 15 are sleeved at two ends of the limiting rotating piece 23, and the outer side wall of each second friction ring 15 is in contact with the side wall of the switch shell 1, which is located on one side of the movable opening 11.
In the above technical solution, when the holding portion 21 rotates, the second friction rings 15 are used to prevent the rigid friction between the rotation limiting component 23 and the inner wall of the switch housing 1, and also the third limiting column ring 17 may be relatively disposed in the switch housing 1, a part of the third limiting column ring 17 is formed by the inner wall of the switch housing 1, and the two second friction rings 15 are respectively in contact with the inner walls of the two third limiting column rings 17, so as to realize the connection between the rotation limiting component 23 and the inner wall of the third limiting column ring 17.
In another technical scheme, a notch is arranged at the edge of the upper end of the switch shell 1, and after the switch shell 1 is connected with the water outlet pipe shell 5 of the water faucet, the notch and the water outlet pipe shell 5 of the water faucet form the movable opening 11;
the first limit post ring 12 is arranged in the water outlet pipe shell 5 of the water faucet.
The connection method of the water outlet pipe shell 5 and the switch shell 1 is various, for example, an annular connecting plate is convexly arranged at the lower end of the water outlet pipe shell 5, a threaded hole is arranged on the connecting plate along the radial direction of the water outlet pipe shell 5, a threaded hole is arranged on the side wall of the switch shell 1, the connecting plate extends into the switch shell 1, the threaded holes of the connecting plate and the threaded hole are overlapped along the radial direction, the connecting plate and the threaded hole are fixed through a screw, the fixed connection of the water outlet pipe shell 5 and the switch shell 1 is realized, and a water outlet hose 51 in the water outlet pipe shell 5 can penetrate through the switch shell 1 and then is connected with the water outlet end of the valve body 4.
In the above technical solution, the movable opening 11 is provided at the upper end edge of the switch housing 1, which facilitates the installation of the holding portion 21 at the movable opening 11 and the installation of the transmission gear portion 22 in the switch housing 1.
In another technical scheme, a second limit post ring 16 is arranged in the switch housing 1, the upper end surface of the second limit post ring 16 is closed, a second rotating protrusion 31 is arranged at the upper end of the transmission rack bar 3, and the second rotating protrusion 31 is used for limiting the position in the second limit post ring 16 in a rotating manner.
In the above technical solution, when the holding portion 21 rotates, the second stopper ring 16 is used to limit the second rotating protrusion 31 to rotate on the defined axis.
In another technical scheme, the lower end of the transmission rack bar 3 is provided with a connecting part 32, the lower end of the connecting part 32 is provided with a cylindrical groove, a plurality of clamping grooves are formed in the side wall of the groove at intervals along the axial direction, and the clamping grooves are used for clamping the connecting rack bar 41 on the valve body 4.
In above-mentioned technical scheme, when being connected with valve body 4, only need will connect ratch 41 and insert the joint slot, can realize being connected of transmission ratch 3 and valve body 4, when transmission ratch 3 rotated, then can be synchronous drive valve body 4 connect ratch 41 and rotate.
There is provided a single-handle faucet having an eccentric driving gear switching structure, including:
an eccentric drive gear switch structure;
the lower end of the water outlet pipe shell 5 is detachably connected with the upper end of the switch shell 1, and a water outlet hose 51 penetrates through the water outlet pipe shell 5;
the lower end of the transmission rack bar 3 is connected to the connecting rack bar 41 of the valve body 4, and the water inlet end of the water outlet hose 51 is connected to the water outlet end of the valve body 4.
In the above technical solution, the water inlet end 6 of the valve body 4 is used for connecting with a water supply providing component, and water can be introduced. The rotation of the holding portion 21 can drive the transmission tooth portion 22 in the switch housing 1 to rotate, so as to drive the connecting rack bar 41 of the valve body 4 to rotate, thereby realizing the opening and closing of the valve body 4, and when a water source exists, whether the water outlet hose 51 in the water outlet pipe shell 5 is used for water outlet control can be realized.
The valve body 4 can be a valve body with at least two water inlet ends 6. The double-handle double-control faucet is used for being connected with two water sources, such as cold water and hot water, and realizing single-handle double control, namely the faucet can output cold water or hot water or the combination of the cold water and the hot water.
In another technical scheme, still including installation casing 7, installation casing 7 upper end with switch housing 1 lower extreme can be dismantled and be connected, the lower extreme with valve body 4 shell can be dismantled and be connected, transmission rack bar 3 lower extreme wears to locate in the installation casing 7, and with the connection rack bar 41 of valve body 4 is connected, the cover is equipped with under-the-table installation fastener 71 on the installation casing 7 lateral wall, switch housing 1 is located on the lateral wall of the below of portion 21 that grips or the lateral wall epirelief of installation casing 7 is equipped with base 72. The under-table mounting fastener 71 can be realized by adopting a screw thread mode, for example, the outer side wall of the mounting shell 7 is provided with screw threads, the under-table mounting fastener 71 is screwed on the mounting shell 7, when the water faucet is mounted on a table top, the under-table mounting fastener 71 can be rotated to be clung to the lower surface of the table top, and the base 72 is located on the upper surface of the table top to realize mounting and fastening. A plurality of threaded holes can be axially formed in the under-table mounting fastener 71 and are in threaded connection with the threaded holes through bolts until the upper ends of the bolts abut against the lower surface of the table top, and the under-table mounting fastener has the function of strengthening stability. According to the faucet arranged in the way, the valve body 4 is positioned below the table board, so that the size of the water outlet pipe shell 5 above the table board is not limited by the size of the valve body 4 (the size of the valve body 4 is usually larger), and the shape design of the water outlet pipe shell 5 above the table board is facilitated.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. Eccentric driving gear switch structure, its characterized in that includes:
the switch shell is provided with a movable opening on the side wall;
the switch handle is provided with a holding part and a transmission tooth part, the holding part is arranged on the movable opening in a penetrating mode, the transmission tooth part is connected to the inside of the switch shell in a rotating mode, a plurality of gear teeth are arranged on the side wall of the transmission tooth part, and the movable opening provides a rotating space for the holding part;
the transmission toothed bar is rotatably connected inside the switch shell, a meshing portion is arranged on the transmission toothed bar, the meshing portion is meshed with the gear teeth of the transmission toothed portion, and the transmission toothed bar is used for being connected with the valve body.
2. The eccentric driving gear switch structure according to claim 1, wherein the driving gear portion comprises a limiting rotation member and a gear member which are fixedly connected with each other, a first rotation protrusion is arranged at the upper end of the limiting rotation member, the first rotation protrusion is coaxial with the gear member, and the holding portion is fixed on the side wall of the limiting rotation member;
a first limit column ring and a limit stop block are arranged on the switch shell;
the first rotating bulge is limited in the first limiting column ring in a rotating mode, the lower end face of the gear piece is in limiting contact with the limiting stop block, and the upper end face of the limiting rotating piece is in contact with the lower end face of the first limiting column ring.
3. The eccentric drive tooth switch structure of claim 2, further comprising a first friction ring disposed on the first rotating protrusion, wherein an outer wall of the first friction ring contacts an inner wall of the first stopper post.
4. The eccentric driving gear switch structure according to claim 2, wherein the radial cross section of the switch housing is rectangular in the middle and semicircular in the two ends;
the limiting rotation piece is cylindrical, wherein the switch shell is positioned on the semi-circular arc on one side of the movable opening and is coaxial with the limiting rotation piece.
5. The eccentric drive tooth switch structure of claim 4 wherein the length of the spacing rotating member in the axial direction thereof is greater than the length of the movable opening in the axial direction;
the two second friction rings are sleeved at two ends of the limiting rotating piece, and the outer side wall of each second friction ring is in contact with the side wall of the switch shell, which is positioned on one side of the movable opening.
6. The eccentric driving gear switch structure according to claim 5, wherein the upper end edge of the switch housing is provided with a notch, and when the switch housing is connected with the outlet pipe housing of the water faucet, the notch and the outlet pipe housing of the water faucet form the movable opening;
the first limiting column ring is arranged in the water outlet pipe shell of the water faucet.
7. The eccentric driving gear switch structure according to claim 1, wherein a second limit post ring is provided in the switch housing, an upper end surface of the second limit post ring is closed, and a second rotating protrusion is provided at an upper end of the driving gear shaft, and the second rotating protrusion rotatably limits the second limit post ring.
8. The eccentric driving gear switch structure according to claim 1, wherein the lower end of the driving gear rod is provided with a connecting portion, the lower end of the connecting portion is provided with a cylindrical groove, a plurality of clamping grooves are axially arranged on the side wall of the groove at intervals, and the clamping grooves are used for clamping the connecting gear rod on the valve body.
9. Single-handle tap with eccentric driving gear switch structure, its characterized in that includes:
the eccentric drive gear switch structure of any of claims 1 to 8;
the lower end of the water outlet pipe shell is detachably connected with the upper end of the switch shell, and a water outlet hose penetrates through the water outlet pipe shell;
the lower end of the transmission toothed bar is connected to the connecting toothed bar of the valve body, and the water inlet end of the water outlet hose is connected to the water outlet end of the valve body.
10. The single-handle faucet with the eccentric transmission gear switch structure according to claim 9, further comprising a mounting housing, wherein the upper end of the mounting housing is detachably connected to the lower end of the switch housing, the lower end of the mounting housing is detachably connected to the valve housing, the lower end of the transmission gear rod is inserted into the mounting housing and connected to the connection gear rod of the valve body, an under-counter mounting fastener is sleeved on the side wall of the mounting housing, and a base is disposed on the side wall of the switch housing below the grip portion or on the side wall of the mounting housing in a protruding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220244241.0U CN216692384U (en) | 2022-01-29 | 2022-01-29 | Eccentric transmission gear switch structure and single-handle faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220244241.0U CN216692384U (en) | 2022-01-29 | 2022-01-29 | Eccentric transmission gear switch structure and single-handle faucet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216692384U true CN216692384U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220244241.0U Active CN216692384U (en) | 2022-01-29 | 2022-01-29 | Eccentric transmission gear switch structure and single-handle faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216692384U (en) |
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- 2022-01-29 CN CN202220244241.0U patent/CN216692384U/en active Active
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