CN214534579U

CN214534579U - Novel split type valve core of tap

Info

Publication number: CN214534579U
Application number: CN202120866372.8U
Authority: CN
Inventors: 孙尧琮
Original assignee: Nan'an Shuangzhu Plumbing And Sanitary Ware Valve Co ltd
Current assignee: Nan'an Shuangzhu Plumbing And Sanitary Ware Valve Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-10-29
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a novel split type case of tap, including valve rod, case cap and case ceramic chip cover, case ceramic chip cover suit is in the inside of case cap, just be provided with the lug on the case cap, the relative lug sets up the breach groove on the case ceramic chip cover and corresponds. The utility model has the advantages that: compared with the prior water tap valve core, the split production and processing of the valve core of the utility model is beneficial to the production and assembly, and compared with the prior art, the design of the lug on the valve core cap avoids the sliding of the valve core ceramic chip sleeve caused by the valve rod force in the use process, and the produced waste edge materials are few; the production efficiency is obviously improved; greatly reduces the labor cost and materials, has good economic and social benefits, and is suitable for popularization and use.

Description

Novel split type valve core of tap

Technical Field

The utility model relates to a case technical field involves a novel split type case of tap.

Background

In daily life, the water faucet is an indispensable tool, and the quality of the water faucet is characterized by the valve core. The tap on the market at present mainly has ceramic case, ball case and rubber case. The ceramic valve core is a new-generation valve core material, has good sealing performance, stable physical performance and long service life, and is normally used for more than 10 years. The taps using the rubber cores are mostly spiral-opened cast iron taps and are basically eliminated at present; the ceramic valve core water faucet is appeared in recent years, has better quality and is more common at present; the stainless steel valve core is recently appeared, and is more suitable for areas with poor water quality. The tap body is cast from brass, bronze (or copper alloy), and the process of the valve core of the tap in the casting process plays a decisive role in the quality of the tap.

Chinese patent: CN20912463U, the invention discloses a split type valve core with an anti-drop groove and a positioning pin, and discloses a split type valve core for production and processing, wherein a ceramic sleeve of the sleeved valve core is sleeved inside a valve core cap, and an anti-drop structure is arranged on the valve core cap and the ceramic sleeve of the valve core to ensure the connection of the valve core cap and the ceramic sleeve of the valve core, however, when the valve core is in use, a valve rod continuously collides with the ceramic sleeve of the valve core, the abutted surface bears pressure, one of the valve rod easily causes abrasion to cause the rotation of the valve rod to exceed 270 degrees and generate water leakage, and the other valve rod cannot limit the valve rod because the ceramic sleeve of the valve core and the ceramic sleeve of the valve core are clamped and abraded, and the valve core is extremely unchanged in processing due to the anti-drop structure, the valve core cap can be formed through a plurality of processes, and has high cost and high rejection rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem and provide a novel split type case of tap.

To the above, the utility model provides a technical scheme that its technical problem and take is: the utility model provides a novel split type case of tap which characterized in that: the valve core ceramic chip sleeve is sleeved inside the valve core cap, a groove with a protruding portion for being in plug-in connection with the valve core ceramic chip sleeve is formed in the valve core cap, a plug-in portion matched with the valve core cap is arranged at one end of the valve core ceramic chip sleeve, the protruding portion is fan-shaped, and the inner diameter of the protruding portion is smaller than the minimum inner diameter of the plug-in portion;

the valve rod comprises a handle spline, a clamp spring positioning groove, a sealing ring groove and a ceramic chip positioning pin, wherein the clamp spring positioning groove is arranged at the bottom of the handle spline, and the sealing ring groove is arranged at the bottom of the clamp spring positioning groove; the ceramic chip positioning pin is arranged at the bottom of the sealing ring groove, the outer diameter of the ceramic chip positioning pin is matched with the inner diameter of the insertion part, and the outer diameter of the ceramic chip positioning pin is larger than the minimum inner diameter of the bulge part.

According to the further arrangement of the scheme, one end, facing the valve core cap, of the ceramic chip positioning pin is provided with an inclined surface.

As a further arrangement of the scheme, the inner diameter of the groove of the valve core cap is matched with the outer diameter of the insertion part, and the valve core cap and the insertion part are inserted and fixed in an interference fit mode.

As a further arrangement of the scheme, the valve rod and the valve core cap are made of metal materials, and the valve core porcelain piece sleeve is made of plastic materials.

As a further arrangement of the scheme, the insertion part of the valve core porcelain piece sleeve is provided with a step relative to the main body of the valve core porcelain piece sleeve.

As a further arrangement of the above scheme, the valve core porcelain piece sleeve extends backwards relative to the matching opening of the convex part of the valve core cap and is provided with a water outlet.

Has the advantages that: compared with the prior art the utility model discloses a case has improved grafting structure and valve rod limit structure, sets up spacing arch on the case cap, valve rod and case ceramic chip cover and any interference for can not form the atress between the two, the wearing and tearing of case ceramic chip cover and valve rod have been avoided to one of them, avoided the case ceramic chip cover probably to produce the gliding problem of relative case cap after long-term the use, secondly based on its structural design both from the processing of raw materials to the assembly of production simpler relatively, for prior art's product, the utility model discloses a case structure makes its promotion production efficiency that can be by a wide margin relatively, saves artifical equipment cost expenditure, simple structure more is favorable to automated production and processing.

Drawings

Fig. 1 is a schematic structural diagram of the valve element of the present invention.

Fig. 2 is a schematic sectional view of the valve element of the present invention.

Fig. 3 is a schematic structural view of the valve core cap of the present invention.

Reference numerals: 1. a valve stem; 11. a handle spline; 12. a clamp spring positioning groove; 13. a seal ring groove; 14. ceramic chip positioning pins; 2. a valve core cap; 21. a boss portion; 22. a groove; 3. a valve core porcelain piece sleeve; 31. a plug-in part; 33. and (7) a water outlet.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.

A novel tap split type case as shown in fig. 1-3, its characterized in that: the valve core ceramic chip sleeve comprises a valve rod 1, a valve core cap 2 and a valve core ceramic chip sleeve 3, wherein the valve core ceramic chip sleeve 3 is sleeved inside the valve core cap 2, a groove 22 with a protruding portion 21 and used for being connected with the valve core ceramic chip sleeve 3 in an inserting mode is formed in the valve core cap 2, an inserting portion 31 matched with the valve core cap 2 is arranged at one end of the valve core ceramic chip sleeve 3, and the protruding portion 3 is fan-shaped and the inner diameter of the protruding portion 3 is smaller than the minimum inner diameter of the inserting portion 31; 43

The valve rod 1 comprises a handle spline 11, a clamp spring positioning groove 12, a sealing ring groove 13 and a ceramic chip positioning pin 14, wherein the clamp spring positioning groove 12 is arranged at the bottom of the handle spline 11, and the sealing ring groove 13 is arranged at the bottom of the clamp spring positioning groove 12; the ceramic chip positioning pin 14 is arranged at the bottom of the sealing ring groove 13, the outer diameter of the ceramic chip positioning pin 14 is matched with the inner diameter of the insertion part 31, and the outer diameter of the ceramic chip positioning pin is larger than the minimum inner diameter of the bulge part 3.

As a further arrangement of the above scheme, one end of the ceramic tile positioning pin 14 facing the valve core cap 2 is provided with an inclined surface.

As a further arrangement of the above scheme, the inner diameter of the groove 22 of the valve core cap 2 is matched with the outer diameter of the insertion part 31, and the two are inserted and fixed in an interference fit manner.

As a further arrangement of the above scheme, the valve rod 1 and the valve core cap 2 are made of metal materials, and the valve core porcelain piece sleeve 3 is made of plastic materials.

As a further arrangement of the above scheme, the insertion portion 31 of the valve core porcelain piece sleeve 3 is provided with a step relative to the main body of the valve core porcelain piece sleeve 3.

As a further arrangement of the above solution, the valve core porcelain sheet sleeve 3 is provided with a water outlet 33 extending backwards relative to the matching opening of the boss 21 of the valve core cap 2.

Through the arrangement of the scheme, the valve core cap 2 and the valve rod 1 of the utility model are made of metal materials such as copper materials, and the bulge part 21 of the valve core cap 2 in the prior art is transferred to the valve core cap 2 from the valve core ceramic sheet sleeve 3 based on the structural design, so that the valve rod 1 is only in fit interference with the valve core cap 2, and the valve core ceramic sheet sleeve 3 is made of plastic materials or other materials without interference, thereby saving the material cost, and the processing cost of the valve core ceramic sheet sleeve 3 is also convenient to be matched with the valve core cap 2; set up bellying 21 on its two valve core caps 2 for prior art's mode of setting, avoided prior art case porcelain piece cover 3 to slide because the relative valve core cap 2 of wearing and tearing arouses the problem that valve rod 1 rotation angle changes and lead to leaking, secondly, prior art's case porcelain piece cover 3 sets up anti-disengaging structure in the cooperation purpose with valve rod 1, and the structure is complicated and unnecessary, and valve core cap 2 is based on its structure processing difficulty, the utility model discloses the structure that sets up can directly need not follow-up multichannel process processing of relapseing through one-time die-casting shaping, has practiced thrift manpower, process cost relatively.

The utility model discloses a case has improved grafting structure and valve rod limit structure, sets up spacing arch on the case cap, valve rod and case ceramic chip cover and any interference for can not form the atress between the two, the wearing and tearing of case ceramic chip cover and valve rod have been avoided to one of them, have avoided the case ceramic chip cover probably to produce the gliding problem of relative case cap after using for a long time, secondly because its structural design both are simpler from the processing of raw materials to the assembly of production relatively, for prior art's product, the utility model discloses a case structure makes its promotion production efficiency that can be by a wide margin relatively, saves artifical equipment cost expenditure, and simple structure more is favorable to automated production and processing.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a novel split type case of tap which characterized in that: the valve core comprises a valve rod (1), a valve core cap (2) and a valve core porcelain piece sleeve (3), wherein the valve core porcelain piece sleeve (3) is sleeved inside the valve core cap (2), a groove (22) with a protruding portion (21) for being connected with the valve core porcelain piece sleeve (3) in an inserting mode is formed in the valve core cap (2), an inserting portion (31) matched with the valve core cap (2) is arranged at one end of the valve core porcelain piece sleeve (3), and the protruding portion (21) is fan-shaped and the inner diameter of the protruding portion is smaller than the minimum inner diameter of the inserting portion (31);

the valve rod (1) comprises a handle spline (11), a clamp spring positioning groove (12), a sealing ring groove (13) and a ceramic chip positioning pin (14), wherein the clamp spring positioning groove (12) is arranged at the bottom of the handle spline (11), and the sealing ring groove (13) is arranged at the bottom of the clamp spring positioning groove (12); the ceramic chip positioning pin (14) is arranged at the bottom of the sealing ring groove (13), the outer diameter of the ceramic chip positioning pin (14) is matched with the inner diameter of the insertion part (31), and the outer diameter of the ceramic chip positioning pin is larger than the minimum inner diameter of the bulge part (21).

2. The novel split type valve core of the water faucet according to claim 1, characterized in that: one end of the ceramic chip positioning pin (14) facing the valve core cap (2) is provided with an inclined surface.

3. The novel split type valve core of the water faucet according to claim 1, characterized in that: the inner diameter of the groove (22) of the valve core cap (2) is matched with the outer diameter of the insertion part (31), and the groove and the insertion part are inserted and fixed in an interference fit mode.

4. The novel split type valve core of the water faucet according to claim 1, characterized in that: the valve rod (1) and the valve core cap (2) are made of metal materials, and the valve core porcelain piece sleeve (3) is made of plastic materials.

5. The novel split type valve core of the water faucet according to claim 1, characterized in that: the plug-in part (31) of the valve core porcelain piece sleeve (3) is provided with a step relative to the main body of the valve core porcelain piece sleeve (3).

6. The novel split type valve core of the water faucet according to claim 1, characterized in that: the valve core porcelain piece sleeve (3) is provided with a water outlet (33) which extends backwards relative to the matching opening of the convex part (21) of the valve core cap (2).