CN-114857304-B - Drawing head

CN114857304BCN 114857304 BCN114857304 BCN 114857304BCN-114857304-B

Abstract

The invention discloses a pull head, which comprises a body, wherein a water inlet channel and a water distribution cavity which are connected in a matched manner are arranged in the body, a first water outlet channel and a second water outlet channel which can be matched with the water distribution cavity are also arranged in the body, a matched guide sleeve and a center bolt are arranged in the water distribution cavity, the center bolt can move along the guide sleeve, a sealing body for switching water outlet of the first water outlet channel or the second water outlet channel is arranged on the center bolt, the sealing body can move along with the center bolt, the movement of the sealing body can block the water inlet end of the first water outlet channel or the second water outlet channel, the pull head can realize new switching of different waterways by moving the center bolt in the guide sleeve, the self-resetting function is realized by a spring, the center bolt moves upwards to seal a special-shaped ring and the guide sleeve, the sealing is a straight section sealing, the back pressure provided by water flow only overcomes the spring to achieve the sealing effect, and the aim of difficult water channeling under low pressure is realized.

Inventors

XIE WEIHAI
YE RUIYIN
KANG JINYAN

Assignees

厦门英仕卫浴有限公司

Dates

Publication Date: 20260505
Application Date: 20220509

Claims (7)

1. A drawing head comprises a body, wherein a water inlet channel and a water distribution cavity which are connected in a matched mode are arranged in the body, a first water outlet channel and a second water outlet channel which can be matched with the water distribution cavity are further arranged in the body, the drawing head is characterized in that a matched guide sleeve and a central plug are arranged in the water distribution cavity, the central plug can move along the guide sleeve, a sealing body used for switching water outlet of the first water outlet channel or the second water outlet channel is arranged on the central plug, the sealing body can move along with the central plug, the sealing body can seal the water inlet end of the first water outlet channel or the water outlet end of the second water outlet channel, a water outlet which can be connected with the water inlet channel is sleeved in the guide sleeve, the sealing body can be matched with the inner peripheral wall of the guide sleeve in a sealing mode, the sealing body comprises an annular body which is sleeved on the central plug, the annular body can be matched with the side wall of a groove, the sealing body is further arranged on the periphery of the annular body, the sealing body is matched with the outer peripheral wall of the inner peripheral wall of the guide sleeve, the sealing body is provided with the outer peripheral wall of the sealing body, the sealing body is matched with the outer peripheral wall of the sealing body, and the sealing body is provided with the sealing body.
2. The drawing head according to claim 1, wherein a groove capable of being connected with the water inlet channel is arranged in the water distribution cavity, the groove can be communicated with the first water outlet channel, and the sealing body can be in sealing fit with the peripheral wall of the groove to achieve closure of the first water outlet channel.
3. A pull head according to claim 2, wherein a protrusion is provided in the recess, and a recess is provided under the central pin for mating with the protrusion.
4. A pull head according to claim 3, wherein the guide sleeve is provided with a through hole through which the central bolt is connected, a second boss is arranged above the sealing body and can be in butt fit with the lower part of the through hole, a first boss is arranged at the periphery of the central bolt between the second boss and the sealing body, and a spring is arranged between the first boss and the guide sleeve.
5. The drawing head of claim 4, wherein the body is provided with a clamping groove, a connecting sheet is arranged above the guide sleeve and can be connected with the clamping groove in a matching way, and a first sealing ring is arranged between the periphery of the guide sleeve and the inner peripheral wall of the water distribution cavity.
6. A pull head according to claim 5, wherein the guide sleeve is provided with a second sealing ring which can be matched with the inner peripheral wall of the through hole, and the upper end of the center bolt can extend out of the through hole and be matched and connected with a button.
7. The pull head of claim 6, wherein the water inlet end of the body is provided with a one-way valve, and the water outlet end of the body is provided with a first water outlet and a second water outlet.

Description

Drawing head Technical Field The invention relates to a pull head. Background The self-resetting pull head can effectively prevent splash from affecting user experience due to direct water outlet, but the self-resetting pull head is easy to generate water channeling under the condition of low water pressure, namely, the central bolt in the prior art is in inclined plane sealing, the back pressure of water flow is small under the environment of low water pressure, but the sealing ring is extruded after the force value of the spring is overcome to achieve the sealing effect, the elasticity of the spring cannot be overcome due to the too low water pressure, the sealing ring cannot realize sealing when the water pressure is too low, and the water channeling is easy to occur to cause the water leakage at the water outlet end. Disclosure of Invention In order to solve the above technical problems, an object of the present invention is to provide a pull head. The invention is realized by the following technical scheme: The utility model provides a pull head, includes the body, this internal water inlet channel and the water diversion chamber that is provided with the cooperation and connects, this internal first water outlet channel and the second water outlet channel that still is provided with can with water diversion chamber matched with that divide, be provided with matched with guide pin bushing and center bolt in the water diversion chamber, center bolt can follow the guide pin bushing and remove, be provided with the seal body that is used for switching first water outlet channel or second water outlet channel to go out water on the center bolt, the seal body can remove along with the center bolt, the removal of seal body can shutoff first water outlet channel or second water outlet channel goes out the water inlet end of water. In the embodiment of the invention, the water distribution cavity is internally provided with the groove which can be connected with the water inlet channel, the groove can be communicated with the first water outlet channel, and the sealing body can be in sealing fit with the peripheral wall of the groove to realize the interception of the first water outlet channel. In the embodiment of the invention, the central bolt is sleeved in the guide sleeve, the peripheral wall of the guide sleeve is provided with the water outlet which can be connected with the water inlet channel, the water outlet can be communicated with the second water outlet channel, and the sealing body can be in sealing fit with the inner peripheral wall of the guide sleeve to realize the interception of the second water outlet channel. In the embodiment of the invention, the sealing body comprises an annular body, the annular body is sleeved on the center bolt and can be in sealing fit with the side wall of the groove, and the periphery of the annular body is also provided with a sealing sheet which can be in sealing fit with the inner peripheral wall of the guide sleeve. In the embodiment of the invention, the outer periphery of the lower end of the annular body can be in sealing fit with the inner peripheral wall of the groove, the outer periphery of the upper end of the annular body is provided with an elastic sealing piece, the inner periphery of the sealing piece is in sealing fit connection with the outer peripheral wall of the upper end of the annular body, the outer periphery of the sealing piece is in sealing fit with the inner peripheral wall of the guide sleeve, and the inner periphery of the sealing piece is positioned above the outer periphery of the sealing piece. In the embodiment of the invention, the concave groove is internally provided with the convex part, and the concave part matched with the convex part is arranged below the center bolt. In the embodiment of the invention, the guide sleeve is provided with a through hole for the penetration of the central bolt, a second boss is arranged above the sealing body and can be in abutting fit with the lower part of the through hole, a first boss is arranged on the periphery of the central bolt between the second boss and the sealing body, and a spring is arranged between the first boss and the guide sleeve. In the embodiment of the invention, the body is provided with the clamping groove, the connecting sheet is arranged above the guide sleeve and can be connected with the clamping groove in a matching way, and the first sealing ring is arranged between the periphery of the guide sleeve and the inner peripheral wall of the water distribution cavity. In the embodiment of the invention, the guide sleeve is provided with the second sealing ring which can be matched with the inner peripheral wall of the through hole, and the upper end of the center bolt can extend out of the through hole and is matched and connected with a button. In the embodiment of the invention, the water inlet end of the body is provided with the one-way valve, and the water outlet