CN215371080U

CN215371080U - Timing and normally open dual-function valve core

Info

Publication number: CN215371080U
Application number: CN202121318012.0U
Authority: CN
Inventors: 李益荣; 王杰; 李侠君
Original assignee: Wenzhou Jiarong Sanitary Ware Co ltd
Current assignee: Wenzhou Jiarong Sanitary Ware Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-31
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to a timing and normally open dual-function valve element which comprises a valve element main body, a control piece, a valve rod, a connecting piece and a first return spring, wherein a flow passage is arranged in the valve element main body, the flow passage is provided with a first water inlet and a first water outlet, the control piece is installed in the flow passage in a sliding mode, a communication port is formed in the control piece, the valve rod is installed in the valve element main body in a sliding mode along the axial direction and in a circumferential rotating mode, the axial direction of the valve rod is the same as the sliding direction of the control piece, the connecting piece is installed in the valve element main body in a sliding mode, the sliding direction of the connecting piece is the same as the sliding direction of the control piece, the connecting piece is located on the side, away from the first water inlet, of the communication port, the connecting piece is provided with a screw hole, the valve rod is coaxially provided with a screw rod, and the first return spring is located on the side, away from the connecting piece, of the control piece. By adopting the scheme, the timing and normally open dual-function valve core can realize positioning and opening of the flow channel by directly pressing the valve rod and realize normally open of the flow channel by rotating the valve rod.

Description

Timing and normally open dual-function valve core

Technical Field

The utility model relates to a timing and normally open dual-function valve core.

Background

The valve core is one of important parts of control parts used in fluid systems such as water taps, valves and the like. The valve core is one of valve parts which realize the basic function of opening and closing the flow passage in a moving mode.

The valve core is generally divided into a normally open type valve core and a timing type valve core according to different driving modes, wherein after the normally open type valve core adopts a thread rotation mode to realize that a flow channel is opened, a control part for controlling the opening and closing of the flow channel keeps a stable relative position so as to realize continuous water outlet, and after the flow channel is opened by the control part, the timing type valve core adopts a reset spring mode, and the reset spring drives the control part to reset towards the direction of closing the flow channel so as to realize positioning water outlet and then close the flow channel.

The problem that current case exists lies in: the existing valve core only has the single function of normally opening or closing at regular time.

Therefore, how to realize the normally open function and the timed close function of the valve core becomes a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a timing and normally open dual-function valve core which can realize positioning opening of a flow passage by directly pressing a valve rod and realize normally open of the flow passage by rotating the valve rod.

In order to achieve the purpose, the utility model provides the following technical scheme: comprises a valve core main body, a control part, a valve rod, a connecting piece and a first return spring, wherein a flow passage is arranged in the valve core main body, the flow channel penetrates through the valve core main body and is provided with a first water inlet and a first water outlet, the control piece is arranged in the flow channel in a sliding way, the control piece is provided with a communication port for controlling the connection of the first water inlet and the flow passage, the valve rod slides along the axial direction and is arranged on the valve core main body in a circumferential rotating way, the axial direction of the valve rod is the same as the sliding direction of the control piece, the connecting piece is arranged on the valve core main body in a sliding way, the sliding direction of the connecting piece is the same as the sliding direction of the control piece, and the connecting piece is positioned at the side of the communicating port, which is far away from the first water inlet, the connecting piece is provided with a screw hole, the valve rod is coaxially provided with a screw rod which is arranged in the screw hole in a threaded manner, the first return spring is positioned on the side, away from the connecting piece, of the control piece, and the first return spring is arranged between the control piece and the valve core main body in a compressed mode.

The utility model is further configured to: the connecting piece is located the screw and deviates from the valve rod side and runs through the connecting piece and is provided with the balanced pressure hole that is used for screw and runner intercommunication.

The utility model is further configured to: and a second return spring is compressed between the connecting piece and the control piece.

The utility model is further configured to: the valve core main body is positioned in the flow channel and is provided with a first positioning end, the first positioning end is positioned on the side, facing the first return spring, of the control part and is positioned on the movement track of the control part, the connecting part is provided with a positioning lug in a protruding mode, facing the control part, and the control part is provided with a positioning pressed seat which is used for being in contact with the positioning lug and stopping the connecting part from moving towards the control part.

The utility model is further configured to: the flow channel penetrates through the valve core main body and is provided with a second water inlet, the communication port is located between the first water inlet and the second water inlet, and the second water inlet is located on the movement track of the communication port.

The utility model is further configured to: the valve core main body is positioned in the flow channel and is internally provided with a second positioning end, and the second positioning end is positioned on the side, facing the connecting piece, of the control piece and is positioned on the motion track of the control piece.

The utility model is further configured to: and the valve core main body is positioned in the flow channel and is internally provided with a limiting salient point for limiting the communicating port to move towards the direction of the second water inlet, and the limiting salient point is positioned on the side of the control part facing the connecting part and on the movement track of the control part.

By adopting the technical scheme, 1, the valve rod is directly driven to move to drive the connecting piece to move towards the control piece, so that the control piece is driven by the connecting piece to realize that the communication port moves towards the first water inlet, the first water inlet is communicated with the flow channel through the communication port to realize water outlet, after the driving acting force on the valve rod is removed, the first reset spring drives the control piece to move towards the direction of the connecting rod to drive the connecting rod and the valve rod to reset synchronously, and the communication port moves towards the direction far away from the first water inlet in the resetting process to realize the gradual closing of the flow channel, thereby completing the function of timing closing; 2. the accessible rotates the valve rod, and makes to drive the connecting piece towards control direction motion under the mating reaction of screw rod and screw to drive the control motion and realize intercommunicating pore and first water inlet intercommunication, and the valve rod is owing to only carry out circumferential direction, and consequently, the unable drive control of first reset spring resets, thereby realizes the stable normally open function of runner. In conclusion, the valve core has both the normally open function and the timed close function, and is multifunctional, so that the use diversity of the valve core is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is an enlarged view of a in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the utility model discloses a timing and normally open dual-function valve core, which comprises a valve core main body 1, a control part 2, a valve rod 3, a connecting part 4 and a first return spring 5, wherein a flow passage 11 is arranged in the valve core main body 1, the flow passage 11 penetrates through the side wall of the valve core main body 1 and is provided with a first water inlet 12, and a water outlet 14 penetrates through the lower end of the valve core main body 1, in addition, the control part 2 is arranged in the flow passage 11 in a sliding manner along the vertical direction, wherein the side wall of the control part 2 is provided with a communication port 21 in a penetrating manner, the communication port 21 is positioned above the first water inlet 12, so that the opening of the flow passage 11 is realized through the communication between the communication port 21 and the first water inlet 12, in addition, the valve rod 3 is positioned above the control part 2, and the axial direction of the valve rod 3 is vertically arranged, so that the valve rod 3 is arranged in the valve core main body 1 in a sliding manner along the axial direction, and the periphery of valve rod 3 is cylindrical, make valve rod 3 can be installed in case main part 1 along circumferential direction, in addition, connecting piece 4 sets up between valve rod 3 and control part 2, and the periphery of connecting piece 4 adopts the design of polygonal prism shape and makes connecting piece 4 realize along vertical sliding installation in case main part 1 through the joint, in addition, screw 41 has been seted up to connecting piece 4 upper end, the coaxial screw rod 31 of threaded installation in screw 41 that is provided with of valve rod 3 lower extreme that corresponds, make valve rod 3 accessible rotate and realize that connecting piece 4 carries out vertical sliding, in addition, first reset spring 5 is located control part 2 lower extreme, and the compression of first reset spring 5 sets up between control part 2 and case main part 1.

Therefore, not only can the valve rod 3 be directly driven to move downwards to enable the valve rod 3 to drive the connecting piece 4 to approach downwards and drive the control piece 2 to move downwards so as to realize that the communication port 21 moves towards the first water inlet 12, but also the first water inlet 12 is communicated with the flow channel 11 through the communication port 21 so as to realize water outlet, when the driving acting force on the valve rod 3 is removed, the first return spring 5 can drive the control piece 2 to return upwards to drive the connecting rod and the valve rod 3 to return upwards synchronously, and the communication port 21 moves towards the direction far away from the first water inlet 12 in the return process so as to realize the gradual closing of the flow channel 11, thereby completing the function of timing closing, but also the valve rod 3 can be rotated when the valve rod 3 is not driven downwards, so that the connecting piece 4 is driven to approach downwards and drive the control piece 2 to move downwards under the matching action of the screw rod 31 and the screw hole 41, thereby driving the control piece 2 to realize the communication with the first water inlet 12, and the valve rod 3 only rotates in the circumferential direction, so the first return spring 5 cannot drive the control member 2 to return, and the stable normally open function of the flow passage 11 is realized. In conclusion, the valve core has both the normally open function and the timed close function, and is multifunctional, so that the use diversity of the valve core is improved.

Preferably, the connecting member 4 in this embodiment is provided with a pressure balancing hole 42 penetrating the connecting member 4 at the lower end of the screw hole 41 and facing downward for communicating the screw hole 41 with the flow channel 11, so that the screw 31 can rotate more smoothly in the screw hole 41, and the screw 31 can be prevented from rotating and being unable to rotate due to the change of the inner space of the screw hole 41 caused by the rotation of the screw.

In addition, a second return spring 6 is compressed and arranged between the connecting piece 4 and the control piece 2 in the embodiment, so that the connecting piece 4 moves downwards and transmits the driving force to the control piece 2 through the second return spring 6, the control piece 2 can gradually return to the original position through elasticity to realize balance, and the smoothness of work is ensured.

Preferably, the valve core main body 1 in this embodiment is provided with a first positioning end 15 in the flow passage 11, wherein the first positioning end 15 is located at the lower end of the control member 2 and located on the movement track of the control member 2, in addition, the lower end of the connecting member 4 is provided with a positioning projection 43 in a downward protruding manner, correspondingly, the control member 2 is provided with a positioning pressed seat 22 for contacting with the positioning projection 43 to stop the movement of the connecting member 4 toward the control member 2, so that the first positioning end 15 prevents the control member 2 from excessively moving downward to cause the communication port 21 to pass downward over the first water inlet 12 to block the flow passage 11, and in addition, the positioning projection 43 is matched with the positioning pressed seat 22 to prevent the connecting member 4 from continuing to move downward and excessively approach the control member 2 to cause the phenomenon that the second return spring 6 is excessively compressed to be unstable after the control member 2 downwardly abuts against the first positioning end 15.

In addition, the side wall of the flow channel 11 in this embodiment is provided with a second water inlet 13 penetrating through the valve core main body 1, wherein the communication port 21 is located between the first water inlet 12 and the second water inlet 13, and the second water inlet 13 is located on the movement track of the communication port 21, therefore, the valve rod 3 can also drive the connecting piece 4 to move upwards by rotating, so that the control piece 2 moves upwards under the elastic force balance action of the first return spring 5 and the second return spring 6, and the water source connected with the second water inlet 13 is guided in by the connection of the communication port 21 and the second water inlet 13, wherein, the first water inlet 12 can be connected with a common water source, the common water source can realize a normally open and regularly closed water outlet mode according to the variety of use, the second water inlet 13 can be connected with a special water source, and the special water source has a low use frequency, therefore, only a normally open water outlet mode needs to be provided, when the use is needed, the valve is opened, and after the use is finished, the valve is closed.

Preferably, the valve core main body 1 in this embodiment is provided with a second positioning end 16 inside the flow passage 11, wherein the second positioning end 16 is located above the control member 2 and on the movement track of the control member 2, so that the second positioning end 16 prevents the control member 2 from moving excessively upwards to cause the communication port 21 to move upwards to cross over the second water inlet 13 to block the flow passage 11.

Referring to fig. 3, in the present embodiment, the valve core main body 1 is located in the flow channel 11 and integrally formed with a limiting protruding point 17, wherein the limiting protruding point 17 is of a hemispherical structure, and the limiting protruding point 17 is located on the side of the control member 2 facing the connecting member 4 and on the movement track of the control member 2, therefore, when the valve rod 3 rotates to drive the control member 2 to move upward, the compression resetting acting force of the second resetting spring 6 is relatively large, so that the compression resetting acting force generated by the first resetting spring 5 cannot overcome the compression resetting acting force of the second resetting spring 6 and the clamping acting force of the limiting protruding point 17 at the same time, so that the control member 2 cannot move upward to open the second water inlet 13, and when the valve rod 3 rotates to drive the control member 2 to move upward, the compression resetting acting force of the second resetting spring 6 is relatively small, so that the compression resetting acting force generated by the first resetting spring 5 is greater than the compression resetting acting force of the second resetting spring 6 and the clamping acting force of the second resetting spring 6 The sum of clamping acting forces of the convex points 17 is limited, so that the control part 2 is driven to move upwards to open the second water inlet 13, and the second water inlet 13 is prevented from being opened by mistake.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a regularly, normally open difunctional case which characterized in that: comprises a valve core main body, a control part, a valve rod, a connecting piece and a first return spring, wherein a flow passage is arranged in the valve core main body, the flow channel penetrates through the valve core main body and is provided with a first water inlet and a first water outlet, the control piece is arranged in the flow channel in a sliding way, the control piece is provided with a communication port for controlling the connection of the first water inlet and the flow passage, the valve rod slides along the axial direction and is arranged on the valve core main body in a circumferential rotating way, the axial direction of the valve rod is the same as the sliding direction of the control piece, the connecting piece is arranged on the valve core main body in a sliding way, the sliding direction of the connecting piece is the same as the sliding direction of the control piece, and the connecting piece is positioned at the side of the communicating port, which is far away from the first water inlet, the connecting piece is provided with a screw hole, the valve rod is coaxially provided with a screw rod which is arranged in the screw hole in a threaded manner, the first return spring is positioned on the side, away from the connecting piece, of the control piece, and the first return spring is arranged between the control piece and the valve core main body in a compressed mode.

2. A timed, normally open dual function valve cartridge according to claim 1, wherein: the connecting piece is located the screw and deviates from the valve rod side and runs through the connecting piece and is provided with the balanced pressure hole that is used for screw and runner intercommunication.

3. A timed, normally open dual function valve cartridge according to claim 1, wherein: and a second return spring is compressed between the connecting piece and the control piece.

4. A timed, normally open dual function valve cartridge according to claim 3, wherein: the valve core main body is positioned in the flow channel and is provided with a first positioning end, the first positioning end is positioned on the side, facing the first return spring, of the control part and is positioned on the movement track of the control part, the connecting part is provided with a positioning lug in a protruding mode, facing the control part, and the control part is provided with a positioning pressed seat which is used for being in contact with the positioning lug and stopping the connecting part from moving towards the control part.

5. A timed, normally open dual function valve cartridge according to claim 1, wherein: the flow channel penetrates through the valve core main body and is provided with a second water inlet, the communication port is located between the first water inlet and the second water inlet, and the second water inlet is located on the movement track of the communication port.

6. A timed, normally open dual function valve cartridge according to claim 5, wherein: the valve core main body is positioned in the flow channel and is internally provided with a second positioning end, and the second positioning end is positioned on the side, facing the connecting piece, of the control piece and is positioned on the motion track of the control piece.

7. A timed, normally open dual function valve cartridge according to claim 5, wherein: and the valve core main body is positioned in the flow channel and is internally provided with a limiting salient point for limiting the communicating port to move towards the direction of the second water inlet, and the limiting salient point is positioned on the side of the control part facing the connecting part and on the movement track of the control part.