CN219062518U

CN219062518U - Valve core gland and valve core assembly

Info

Publication number: CN219062518U
Application number: CN202223499233.XU
Authority: CN
Inventors: 叶立明; 游耀荣; 白双林; 周建平; 祝传宝
Original assignee: Xiamen Lota International Co Ltd
Current assignee: Xiamen Lota International Co Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-23
Anticipated expiration: 2032-12-27

Abstract

The utility model provides a valve core gland and a valve core assembly, comprising: a plastic housing and an annular metal insert; the plastic shell comprises a cavity for receiving the valve core, the annular metal insert is connected to the opening of the cavity through insert injection molding, and the annular metal insert extends for a circle along the circumference of the opening of the cavity; the annular metal insert comprises a fastening part which rotates along the circumferential direction to be fixedly connected to a valve seat so that the valve core is pressed between the cavity and the valve seat along the axial direction; the top end surface of the annular metal insert comprises a plurality of transverse grooves which are arranged at intervals along the circumferential direction, the inner peripheral wall and/or the outer peripheral wall of the annular metal insert comprises radial grooves, and the radial grooves are recessed along the radial direction of the annular metal insert; the transverse grooves and radial grooves are used for connecting with the plastic shell during insert molding. By the aid of the technical scheme, the valve core gland with good torsional strength and tensile strength and low cost can be provided.

Description

Valve core gland and valve core assembly

Technical Field

The utility model relates to a valve core gland and a valve core assembly.

Background

Most of valve core gland used by the existing shower body group is made of metal materials, so that the cost of the gland is high; the zinc alloy gland also needs to be subjected to surface treatment for corrosion prevention, so that the electroplating cost is increased; the purpose of using the metal material is to make the gland able to bear a large locking torque force and keep stable. Some of the gland made of plastic materials can only be suitable for products with smaller locking torsion requirements, otherwise, the risk of attenuation of the locking torsion of the gland occurs when the plastic gland is used for a long time.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a valve core gland and a valve core assembly.

In order to solve the technical problem, the present utility model provides a valve core gland, including: a plastic housing and an annular metal insert; the plastic shell comprises a cavity for receiving the valve core, the annular metal insert is connected to the opening of the cavity through insert injection molding, and the annular metal insert is arranged along the circumferential extension of the opening of the cavity for a circle;

the annular metal insert includes a securing member that rotates circumferentially to secure a valve seat to the valve cartridge so that the valve cartridge is axially compressed between the chamber and the valve seat;

the top end surface of the annular metal insert comprises a plurality of transverse grooves which are arranged at intervals along the circumferential direction, and the inner peripheral wall and/or the outer peripheral wall of the annular metal insert comprises radial grooves which are recessed along the radial direction of the annular metal insert; the transverse grooves and the radial grooves are used for connecting with the plastic shell during insert molding.

In a more preferred embodiment, the fastening member is a threaded structure.

In a more preferred embodiment, the fastening means is an internal thread; the internal thread is arranged on the lower side of the inner peripheral wall of the annular metal insert; the radial groove is arranged on the upper side of the inner peripheral wall of the annular metal insert.

In a further preferred embodiment, the annular metal insert includes an upper annular wall at a top end thereof and extending radially inwardly, and a lower annular wall at an upper side of the inner peripheral wall and extending radially inwardly, the upper and lower annular walls defining the radial groove therebetween.

In a more preferred embodiment, the upper annular wall defines a top end face of the annular metal insert; the transverse slot communicates with the radial groove.

In a more preferred embodiment, the fastening member is located at an inner peripheral wall of the annular metal insert; the annular metal insert is sleeved on a connecting structure of the valve seat; the transverse grooves and the radial grooves are located axially above the connection structure.

In a preferred embodiment, the top end of the chamber of the plastic housing presses against the valve core.

The utility model also provides a valve core assembly, which comprises a valve seat and a valve core; the valve core is arranged above the valve core; the valve core gland is characterized by also comprising the valve core gland; the valve core gland is connected with the valve seat to press and fix the valve core.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

the annular metal insert is fixedly connected with the plastic shell through insert injection molding, the fastening part is fixedly connected to a valve seat through circumferential rotation so as to enable the valve core to be pressed between the cavity and the valve seat along the axial direction, therefore, the transverse notch can enhance the torsional strength between the transverse notch and the annular metal insert when the plastic shell is rotated circumferentially, and the annular metal insert is pushed to rotate circumferentially by two side walls of the transverse notch when the plastic shell is rotated circumferentially; the radial groove is recessed along the radial direction of the annular metal insert, so that the plastic shell of the part injection-molded in the radial groove can drive the annular metal insert to move along the axial direction when the plastic shell moves along the axial direction, the radial groove can strengthen the torsional strength of the plastic shell and the annular metal insert, and meanwhile, the problem of high manufacturing cost of the valve core gland is solved.

Drawings

FIG. 1 is a schematic perspective view of a valve cartridge assembly in accordance with a preferred embodiment of the present utility model;

FIG. 2 is an exploded perspective view of a valve cartridge assembly according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic perspective view of an annular metal insert in accordance with a preferred embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a spool gland in a preferred embodiment of the present utility model;

fig. 5 is a partial enlarged view of fig. 4.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

Referring to fig. 1-5, a valve cartridge assembly adapted for use with a shower body pack mounted in a wall surface, the valve cartridge assembly comprising a valve seat 1, a valve cartridge 2 and a valve cartridge gland 3; the valve seat 1 comprises a body seat 11 and one or more water inlet pipes 12 and one or more water outlet pipes 13 connected to the body seat 11; the body seat 11 includes a bottom wall portion 111 communicating with the water inlet pipe 12 and the water outlet pipe 13, and a surrounding wall portion 112 surrounding the bottom wall portion 111; the bottom wall 111 includes a water inlet 113 correspondingly connected to the water inlet pipe 12 and a water outlet 114 correspondingly connected to the water outlet pipe 13, and the bottom of the valve core 2 is correspondingly and hermetically abutted against the bottom wall 111 so that the valve inlet of the valve core 2 is hermetically connected with the water inlet 113, and the valve outlet of the valve core 2 is hermetically connected with the water outlet 114. The valve core 2 is used for receiving water from the water inlet pipe 12 and controlling the water to be communicated to the water outlet pipe 13, and the valve core 2 can be a mixing valve, a switching valve or the like, and can be determined according to the number of the water inlet pipe 12 and the water outlet pipe 13. When the valve element 2 is placed on the valve seat 1, the valve element gland 3 is attached to the surrounding wall portion 112, and the valve element gland 3 presses against the valve element 2 to restrict movement of the valve element 2.

The valve core gland 3 comprises a plastic shell 31 and an annular metal insert 32, wherein the plastic shell 31 can be made of common plastic materials, such as ABS and the like; the annular metal insert 32 may be made of copper or stainless steel or the like. The plastic housing 31 comprises a chamber 311 for receiving the valve cartridge 2, the plastic housing 31 has a hollow sleeve configuration, the chamber 311 of the plastic housing 31 comprises an opening 312 for connecting the enclosure wall 112, the chamber 311 of the plastic housing 31 further comprises a top end opening 313 axially remote from the opening 312, and the valve shaft of the valve cartridge 2 extends out of the top end opening 313. The chamber 311 of the plastic housing 31 also includes a top end plate 314 adjacent the top port 313, the top end plate 314 pressing against the top of the valve spool 2 to achieve the pressing.

The annular metal insert 32 is connected at the opening 312 of the chamber 311 by insert molding, and the annular metal insert 32 is arranged along the circumferential extension of the opening 312 of the chamber 311 for one circle; the annular metal insert 32 includes a fastening member 321, the fastening member 321 being rotated in a circumferential direction to be fastened to a valve seat 1 such that the valve element 2 is pressed axially between the chamber 311 and the valve seat 1; the top end surface of the annular metal insert 32 comprises a plurality of transverse notches 322 which are arranged at intervals along the circumferential direction, the inner peripheral wall and/or the outer peripheral wall of the annular metal insert 32 comprises radial grooves 323, and the radial grooves 323 extend for a distance along the circumferential direction; the transverse grooves 322 and radial grooves 323 serve to connect to the plastic housing 31 during insert molding.

The annular metal insert 32 is fixedly connected with the plastic shell 31 through insert injection molding, the fastening part 321 is fixedly connected to a valve seat 1 through circumferential rotation so as to enable the valve core 2 to be pressed between the cavity 311 and the valve seat 1 along the axial direction, therefore, the transverse notch 322 can enhance the torsional strength between the annular metal insert 32 and the plastic shell 31 when the plastic shell 31 rotates circumferentially, and the plastic shell 31 pushes the annular metal insert 32 to rotate circumferentially through two side walls of the transverse notch 322 when the plastic shell 31 rotates circumferentially; the radial groove 323 is recessed along the radial direction of the annular metal insert 32, so that the plastic housing 31 of the part injection-molded in the radial groove 323 can drive the annular metal insert 32 to move along the axial direction when the plastic housing 31 moves along the axial direction, and the radial groove 323 can strengthen the torsional strength of the plastic housing 31 and the annular metal insert 32.

In this embodiment, the fastening member 321 is a screw structure; specifically, the fastening member 321 is an internal thread; the internal thread is arranged on the underside of the inner peripheral wall of the annular metal insert 32; the radial groove 323 is arranged on the upper side of the inner peripheral wall of the annular metal insert 32; the outer peripheral wall of the annular metal insert 32 is connected with the plastic housing 31 by insert injection molding, and the plastic housing 31 can better transmit torsion to the annular metal insert 32.

The annular metal insert 32 includes an upper annular wall 324 at a top end thereof and extending radially inwardly, the annular metal insert 32 further including a lower annular wall 325 at an upper side of the inner peripheral wall and extending radially inwardly, the upper and lower

annular walls

324, 325 defining the radial groove 323 therebetween. The upper annular wall 324 defines a top end surface of the annular metal insert 32; the transverse grooves 322 communicate with the radial grooves 323. The communication of the transverse grooves 322 with the radial grooves 323 may allow for a tighter connection between the plastic housing 31 and the annular metal insert 32.

In the present embodiment, the annular metal insert 32 is sleeved over a connection structure (i.e., the surrounding wall portion 112) of the valve seat 1; the transverse grooves 322 and radial grooves 323 are located axially above the connection.

The foregoing is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any person skilled in the art will be able to make insubstantial modifications of the present utility model within the scope of the present utility model disclosed herein by this concept, which falls within the actions of invading the protection scope of the present utility model.

Claims

1. A spool gland, comprising: a plastic housing and an annular metal insert; the plastic shell comprises a cavity for receiving the valve core, the annular metal insert is connected to the opening of the cavity through insert injection molding, and the annular metal insert is arranged along the circumferential extension of the opening of the cavity for a circle;

2. A spool gland as in claim 1 wherein: the fastening member is a screw structure.

3. A spool gland as claimed in claim 2, wherein: the fastening part is an internal thread; the internal thread is arranged on the lower side of the inner peripheral wall of the annular metal insert; the radial groove is arranged on the upper side of the inner peripheral wall of the annular metal insert.

4. A spool gland as claimed in claim 3, wherein: the annular metal insert includes an upper annular wall at a top end thereof and extending radially inward, and a lower annular wall at an upper side of the inner peripheral wall and extending radially inward, the upper and lower annular walls defining the radial groove therebetween.

5. A spool gland as in claim 4 wherein: the upper annular wall defines a top end surface of the annular metal insert; the transverse slot communicates with the radial groove.

6. A spool gland as in claim 1 wherein: the fastening part is positioned on the inner peripheral wall of the annular metal insert; the annular metal insert is sleeved on a connecting structure of the valve seat; the transverse grooves and the radial grooves are located axially above the connection structure.

7. A spool gland as in claim 1 wherein: the top end of the cavity of the plastic shell is pressed against the valve core.

8. A valve element assembly comprising a valve seat and a valve element; the valve core is arranged above the valve core; the method is characterized in that: further comprising a spool gland as in any one of claims 1-7; the valve core gland is connected with the valve seat to press and fix the valve core.