Drawing head capable of achieving switching through transverse push rod

Abstract

The utility model discloses a drawing head capable of achieving switching through a transverse push rod. The drawing head comprises a shell, a front water channel, the transverse push rod, an adapter and a rear water channel. The front water channel and the rear water channel are assembled and connected and are arranged in the shell; a first water channel is arranged in the rear water channel; the adapter is mounted at a first inlet of a first water channel of the rear water channel, and the adapter is provided with an adapter port which is communicated and connected with the first inlet; the transverse push rod can be transversely and movably arranged in the front water channel, and the head of the transverse push rod movably blocks the adapter of the adapter so as to movably open and close the first water channel. Therefore, the adapter is arranged to be matched with the transverse push rod, the size of the first inlet can be enlarged, then the size of a flow channel on the inner side of the first water channel is enlarged, the size of the transverse push rod does not need to be enlarged, the water passing amount can be increased, the flow of the drawing head is improved, meanwhile, the size of the head of the transverse push rod is maintained to be small, plugging resistance is small, and use is convenient.

Description

Technical Field

[0001] This utility model relates to the technical field of pull-out heads, and in particular to a pull-out head that uses a horizontal push rod for switching. Background Technology

[0002] A pull-out showerhead is a shower head that works with a pull-out faucet. It typically has two different water spray patterns to handle washing kitchen utensils, dishes, fruits and vegetables, and the sink. In current technology, pull-out showerheads generally use a push-button switching mechanism to switch between different water spray patterns. This push-button switching mechanism occupies a significant amount of radial space in the pull-out showerhead. Therefore, to reduce the product size, some pull-out showerheads use a push-pull switching structure to achieve water spray switching. However, pull-out showerheads with push-pull switching structures suffer from a lower water flow rate. Utility Model Content

[0003] The purpose of this invention is to provide a pull-out head that uses a horizontal push rod for switching, which has the advantages of small product size and large flow rate.

[0004] To achieve the above objectives, the solution of this utility model is:

[0005] A pull-out head that achieves switching via a horizontal push rod includes a housing, a front channel, a horizontal push rod, an adapter, and a rear channel;

[0006] The front waterway and the rear waterway are assembled and connected and installed inside the shell;

[0007] The rear waterway has a first waterway; the adapter is installed at the first inlet of the first waterway of the rear waterway, and the adapter has an interface that is conductively connected to the first inlet.

[0008] The horizontal push rod can be installed laterally in the front waterway, and the head of the horizontal push rod can be moved to block the adapter interface to open and close the first waterway.

[0009] Furthermore, the adapter interface extends through both ends; the rear end of the adapter is inserted into and sealed to the first inlet; the front end of the adapter forms a piston port that connects to the adapter interface; and a sealing ring is fitted onto the head of the horizontal push rod and movably seals the piston port.

[0010] Furthermore, the adapter has a protruding insertion portion at the center of its rear end, and the adapter abuts against the edge of the first inlet while the peripheral wall of the insertion portion is sealed and inserted into the first inlet.

[0011] Furthermore, a sealing ring wall is formed at the piston port of the front end of the adapter; an abutment groove is formed on the inner side of the sealing ring wall, the middle of the abutment groove is the adapter interface, the inner wall of the sealing ring wall is an inclined wall, and an annular groove is formed on the outer side of the sealing ring wall; the head of the horizontal push rod moves and abuts in the abutment groove, and the sealing ring of the head is tightly fitted to the inclined wall of the sealing ring wall.

[0012] Furthermore, the rear channel also has a second channel; the horizontal push rod is used to selectively open the first channel and the second channel.

[0013] Furthermore, the rear end of the front water channel is inserted into and sealed to the front end of the rear water channel, and the rear end of the front water channel has a water distribution seat that is sleeved on the outer periphery of the front end of the adapter; a water distribution cavity is formed between the water distribution seat and the adapter; the front water channel has an inlet water channel that communicates with the water distribution cavity; the side of the water distribution cavity away from the adapter has a water distribution port that communicates with the second water channel of the rear water channel; the horizontal push rod can move laterally through the water distribution port, and the head of the horizontal push rod is located in the water distribution cavity, and can laterally open and close the adapter or the water distribution port.

[0014] Furthermore, the front end of the front water channel is locked with a water inlet connector, which has a water inlet that is connected to the water inlet channel.

[0015] Furthermore, a water outlet assembly exposed on the surface of the housing is installed at the rear end of the rear water channel; the water outlet assembly has a first water outlet and a second water outlet respectively connected to the first water channel and the second water channel.

[0016] Furthermore, the head of the horizontal push rod extends out from the rear end of the front water channel, while the tail extends into a trough provided in the middle of the front water channel; a switching button is provided in the trough; the middle part of the switching button is hinged to a rotating shaft in the middle of the trough; a movable cavity is provided on the front side of the trough; the front end of the switching button has a connecting rod that inserts into the movable cavity, and the lower rear part of the connecting rod has a locking groove that rotatably connects with the round head of the tail of the horizontal push rod; a compression spring is provided on the front side of the connecting rod; the compression spring is vertically arranged, with one end abutting against the bottom of the movable cavity and the other end abutting against the front end of the switching button, and the front end of the switching button can move within the movable cavity.

[0017] By adopting the above technical solution and setting an independent adapter, the size of the first inlet of the first channel is no longer limited by the size of the push rod head. That is, during injection molding core pulling of the rear channel, due to the limitations of the core pulling process, the size of the inner flow channel of the first channel in the rear channel is necessarily smaller than the size of the first inlet. In existing products, the head of the push rod directly and dynamically blocks the first inlet. Therefore, if the inner flow channel of the first channel needs to be enlarged, the sizes of the first inlet and the push rod head need to be increased, which increases the lateral movement resistance of the push rod, making it difficult for the user to operate. However, by setting an adapter to fit the push rod, the size of the first inlet can be enlarged, thereby enlarging the size of the inner flow channel of the first channel without increasing the size of the push rod. This increases the water flow rate and improves the flow rate of the pull-out head, while maintaining a small push rod head size, resulting in low blocking resistance and greater ease of use. Attached Figure Description

[0018] Figure 1This is a perspective view of an embodiment of the present utility model;

[0019] Figure 2 This is an exploded view of an embodiment of the present utility model;

[0020] Figure 3 This is a cross-sectional view of an embodiment of the present invention, showing the state of the pressed switch button;

[0021] Figure 4 This is a cross-sectional view of an embodiment of the present invention, showing the initial state when the switch button is not pressed;

[0022] Figure 5 This is a perspective view of the front waterway of an embodiment of the present utility model.

[0023] Labeling: 1. Housing; 2. Front water channel; 21. Water distribution seat; 22. Water distribution chamber; 23. Water inlet channel; 24. Water outlet; 25. Container; 251. Rotating shaft; 252. Movable chamber; 3. Horizontal push rod; 31. Head; 32. Sealing ring; 33. Tail; 4. Adapter; 41. Adapter interface; 42. Piston port; 43. Insertion part; 44. Sealing ring wall; 44. Inclined wall; 441. Abutting groove; 45. Annular groove; 46. Rear water channel; 5. First water channel; 51. First inlet; 52. Second water channel; 53. Water outlet assembly; 6. First outlet; 61. Second outlet; 62. Water inlet connector; 7. Inlet; 71. Switch button; 8. Linking rod; 81. Snap-fit ​​groove; 9. Compression spring. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0025] like Figures 1 to 4 As shown, a pull-out head for switching via a horizontal push rod in this embodiment includes a housing 1, a front water channel 2, a horizontal push rod 3, an adapter 4, and a rear water channel 5.

[0026] The front waterway 2 and the rear waterway 5 are assembled and connected and installed inside the housing 1;

[0027] The rear waterway 5 has a first waterway 51; the adapter 4 is installed at the first inlet 52 of the first waterway 51 of the rear waterway 5, and the adapter 4 has an adapter interface 41 that is conductively connected to the first inlet 52.

[0028] The horizontal push rod 3 is movably installed in the front waterway 2. The head 31 of the horizontal push rod 3 movably blocks the adapter 41 of the adapter 4 to open and close the first waterway 51.

[0029] Therefore, this embodiment, by providing an independent adapter 4, allows the size of the first inlet 52 of the first water channel 51 to be independent of the size of the head 31 of the horizontal push rod 3. That is, during the injection molding and core-pulling production of the rear water channel 5, due to the limitations of the core-pulling process, the size of the inner flow channel of the first water channel 51 of the rear water channel 5 must be smaller than the size of the first inlet 52. In existing products, the head 31 of the horizontal push rod 3 directly and dynamically blocks the first inlet 52. Therefore, if the inner flow channel of the first water channel 51 is to be enlarged, the corresponding sizes of the first inlet 52 and the head 31 of the horizontal push rod 3 need to be increased, which will increase the lateral movement resistance of the horizontal push rod 3, making it more difficult for the user to use. However, by providing an adapter 4 to adapt to the horizontal push rod 3, the size of the first inlet 52 can be enlarged, thereby enlarging the size of the inner flow channel of the first water channel 51, without having to enlarge the size of the horizontal push rod 3. This increases the water flow rate and improves the flow rate of the pull-out head, while maintaining a small head 31 size of the horizontal push rod 3, resulting in low blocking resistance and greater ease of use.

[0030] like Figure 3 In this embodiment, the adapter 4 has a through-port 41 extending through both ends; the rear end of the adapter 4 is inserted into and sealed to the first inlet 52; the front end of the adapter 4 forms a piston port 42 communicating with the through-port 41; and the head 31 of the push rod 3 is fitted with a sealing ring and movably seals the piston port 42. This facilitates the installation of the adapter 4 and allows the head 31 of the push rod 3 to seal the piston port 42 and thus the adapter 41, achieving good sealing performance.

[0031] Specifically, the middle of the rear end of the adapter 4 may have a protruding insertion part 43, and the adapter 4 may abut against the edge of the first inlet 52 while the peripheral wall of the insertion part 43 may be sealed and inserted into the first inlet 52.

[0032] Simultaneously, a sealing ring wall 44 can be formed at the piston port 42 at the front end of the adapter 4; an abutment groove 45 is formed on the inner side of the sealing ring wall 44, the middle of the abutment groove 45 is the adapter interface 41, the inner wall of the sealing ring wall 44 is an inclined wall 441, and an annular groove 46 is formed on the outer side of the sealing ring wall 44; the head 31 of the horizontal push rod 3 movably abuts against the abutment groove 45, and the sealing ring 32 of the head 31 is tightly fitted onto the inclined wall 441 of the sealing ring wall 44. The sealing ring 32 can be an O-ring. With this structure, the head 31 of the horizontal push rod 3 can be accurately inserted into the piston port 42, and the sealing ring 32 tightly fits and seals the sealing ring wall 44, thereby sealing the adapter interface 41.

[0033] This embodiment can be applied to single-channel pull-out heads, and of course it can also be applied to pull-out heads with multi-channel structures. Specifically, this embodiment is illustrated using two channels and two types of water spray as an example.

[0034] That is, the rear water channel 5 also has a second water channel 53; and the horizontal push rod 3 is used to selectively connect the first water channel 51 and the second water channel 53 to facilitate the switching of water spray.

[0035] Specifically, the rear end of the rear water channel 5 is also equipped with a water outlet assembly 6 exposed on the surface of the housing 1; the water outlet assembly 6 has a first water outlet 61 and a second water outlet 62 respectively connected to the first water channel 51 and the second water channel 53. In this embodiment, the water outlet assembly 6 can be set perpendicular to the rear water channel 5, but is not limited thereto.

[0036] In this embodiment, the first water outlet 61 in the middle of the water outlet component 6 can generate bubble water, and the second water outlet 62 around the first water outlet 61 of the water outlet component 6 can generate shower water. Of course, the specific water spray effect can be set according to actual needs.

[0037] See also Figure 2 , Figure 3 and Figure 5 In this embodiment, the rear end of the front waterway 2 can be inserted into and sealed to the front end of the rear waterway 5. The rear end of the front waterway 2 can be snapped and fixed to the front end of the rear waterway 5 and sealed.

[0038] The rear end of the front water channel 2 may have a water distribution seat 21 sleeved on the outer periphery of the front end of the adapter 4; a water distribution cavity 22 is formed between the water distribution seat 21 and the adapter 4; the front water channel 2 has an inlet water channel 23 that communicates with the water distribution cavity 22; the side of the water distribution cavity 22 away from the adapter 4 has a water distribution port 24, which communicates with the second water channel 53 of the rear water channel 5; the horizontal push rod 3 can move laterally through the water distribution port 24, and the head 31 of the horizontal push rod 3 is located in the water distribution cavity 22, and can laterally open and close the adapter 41 or the water distribution port 24.

[0039] Therefore, by moving the horizontal push rod 3 laterally, the adapter 41 or the water outlet 24 can be selectively opened or closed. When the adapter 41 is open, the water inlet channel 23 of the front waterway 2 is connected to the first waterway 51 of the rear waterway 5 through the water outlet 22 and the adapter 41. When the water outlet 24 is open, the water inlet channel 23 of the front waterway 2 is connected to the second waterway 53 of the rear waterway 5 through the water outlet 24 and the water outlet 22.

[0040] Specifically, the front end of the front water channel 2 can be locked with a water inlet connector 7, which has a water inlet 71 that is connected to the water inlet channel 23 to facilitate the connection of an external water inlet pipe.

[0041] See Figure 3 and Figure 4In this embodiment, the head 31 of the horizontal push rod 3 extends out of the rear end of the front water channel 2, while the tail 33 can extend into the accommodating groove 25 provided in the middle of the front water channel 2; a switching button 8 is provided in the accommodating groove 25; the middle part of the switching button 8 is hinged to the rotating shaft 251 in the middle of the accommodating groove 25; a movable cavity 252 is provided on the front side of the accommodating groove 252; the front end of the switching button 8 has a connecting rod 81 that is inserted into the movable cavity 252, and the lower rear part of the connecting rod 81 has a snap-fit ​​groove 811 that is rotatably connected to the round head of the tail 33 of the horizontal push rod 3; a compression spring 9 is provided on the front side of the connecting rod 81; the compression spring 9 is vertically arranged, with one end abutting the bottom of the movable cavity 252 and the other end abutting the front end of the switching button 8, and the front end of the switching button 8 can move within the movable cavity 252.

[0042] In the initial state, the spring 9 provides elastic force, causing the front end of the switching button 8 to move outward from the housing 1. This drives the lower part of the connecting rod 81 to move forward within the movable cavity 252, causing the tail 33 of the horizontal push rod 3 to move forward. This causes the head 31 of the horizontal push rod 3 to leave the piston port 42, opening the adapter 41 and blocking the water outlet 24. At this time, the first water channel 51 is open, and the first water outlet 61 can flow out aerated water. When it is necessary to switch the water flow, the front end of the switching button 8 can be manually pressed, causing the front end of the switching button 8 to move inward from the housing 1. The lower part of the connecting rod 81 then moves backward within the movable cavity 252, pushing the horizontal push rod 3 to move backward laterally. This causes the head 31 of the horizontal push rod 3 to leave the water outlet 24 and block the piston port 42, thereby blocking the adapter 41, closing the first water channel 51 and opening the second water channel 53. The second water outlet 62 can then flow out shower water.

[0043] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected by this utility model. It should be noted that for those skilled in the art, equivalent changes and modifications without departing from the principle of this utility model should still fall within the protection scope of this utility model.

[0044] In the description of the embodiments of this application, it should be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships commonly used when the product is in use, or the orientations or positional relationships commonly understood by those skilled in the art. These are only for the convenience of describing this application and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. In the description of this application, "a plurality of" and "several" mean two or more, unless otherwise explicitly specified.

Claims

1. A pull-out head that achieves switching via a horizontal push rod, characterized in that: Includes the housing, front channel, push rod, adapter, and rear channel; The front waterway and the rear waterway are assembled and connected and installed inside the shell; The rear waterway has a first waterway; the adapter is installed at the first inlet of the first waterway of the rear waterway, and the adapter has an interface that is conductively connected to the first inlet. The horizontal push rod can be installed laterally in the front waterway, and the head of the horizontal push rod can be moved to block the adapter interface to open and close the first waterway.

2. The pull-out head for switching via a horizontal push rod according to claim 1, characterized in that: The adapter has a through-hole at both ends; the rear end of the adapter is inserted into and sealed to the first inlet; the front end of the adapter forms a piston port that connects to the adapter; and a sealing ring is fitted onto the head of the push rod and movably seals the piston port.

3. A pull-out head for switching via a horizontal push rod according to claim 2, characterized in that: The adapter has a protruding insertion part at the middle of its rear end, and the adapter abuts against the edge of the first inlet while the peripheral wall of the insertion part is sealed and inserted into the first inlet.

4. A pull-out head for switching via a horizontal push rod according to claim 2, characterized in that: A sealing ring wall is formed at the piston port of the front end of the adapter; an abutment groove is formed on the inner side of the sealing ring wall, the middle of the abutment groove is the adapter interface, the inner wall of the sealing ring wall is an inclined wall, and an annular groove is formed on the outer side of the sealing ring wall; the head of the horizontal push rod moves and abuts in the abutment groove, and the sealing ring of the head is tightly fitted to the inclined wall of the sealing ring wall.

5. A pull-out head for switching via a horizontal push rod according to claim 1, characterized in that: The rear waterway also has a second waterway; the horizontal push rod is used to selectively open the first waterway and the second waterway.

6. A pull-out head for switching via a horizontal push rod according to claim 5, characterized in that: The rear end of the front water channel is inserted into and sealed to the front end of the rear water channel, and the rear end of the front water channel has a water distribution seat that is sleeved on the outer periphery of the front end of the adapter; a water distribution cavity is formed between the water distribution seat and the adapter; the front water channel has an inlet water channel that communicates with the water distribution cavity; the side of the water distribution cavity away from the adapter has a water distribution port that communicates with the second water channel of the rear water channel; the horizontal push rod can move laterally through the water distribution port, and the head of the horizontal push rod is located in the water distribution cavity, and can move laterally to open and close the adapter or the water distribution port.

7. A pull-out head for switching via a horizontal push rod according to claim 6, characterized in that: The front end of the water channel is locked with a water inlet connector, which has a water inlet that is connected to the water inlet channel.

8. A pull-out head for switching via a horizontal push rod according to claim 5, characterized in that: The rear end of the rear water channel is also equipped with a water outlet assembly exposed on the surface of the shell; the water outlet assembly has a first water outlet and a second water outlet respectively connected to the first water channel and the second water channel.

9. A pull-out head for switching via a horizontal push rod according to claim 1, characterized in that: The head of the horizontal push rod extends out from the rear end of the front water channel, while the tail extends into a trough in the middle of the front water channel. A switching button is provided in the trough. The middle part of the switching button is hinged to a rotating shaft in the middle of the trough. A movable cavity is provided on the front side of the trough. The front end of the switching button has a connecting rod that inserts into the movable cavity. The lower rear part of the connecting rod has a locking groove that rotatably connects with the round head of the tail of the horizontal push rod. A compression spring is provided on the front side of the connecting rod. The compression spring is vertically arranged, with one end abutting against the bottom of the movable cavity and the other end abutting against the front end of the switching button. The front end of the switching button can move within the movable cavity.

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