CN219263260U - Constant temperature valve core - Google Patents

Abstract

The utility model discloses a constant-temperature valve core, which comprises a shell and a temperature regulating mechanism, wherein the shell is provided with a cold water inlet, a hot water inlet and a mixing cavity, the mixing cavity is provided with a mixing outlet, and the cold water inlet and the hot water inlet are symmetrically arranged about the center of a central shaft of the shell; the temperature regulating mechanism comprises a piston and a temperature sensing piece, the piston is movably arranged in the shell, the piston is provided with a first water passing port and a second water passing port which are communicated with the mixing cavity, the first water passing port is positioned at one end of the second water passing port, which is away from the mixing cavity, the first water passing port is communicated with the cold water inlet, the second water passing port is communicated with the hot water inlet, the temperature sensing piece stretches into the mixing cavity and is connected with the piston, and the temperature sensing piece can drive the piston to move according to the water temperature in the mixing cavity so as to regulate the opening of the first water passing port and the second water passing port; wherein the shell is provided with a cold water mark and a hot water mark. The constant-temperature valve core can reduce the risk of reverse installation of a user, so that cold water and hot water can be uniformly mixed, and the user experience is improved.

Description

Constant temperature valve core

Technical Field

The utility model relates to the technical field of bathroom products, in particular to a constant-temperature valve core.

Background

The constant temperature valve core is used as a core component of the constant temperature faucet, and the water outlet temperature can be adjusted by controlling the water inflow of cold water and hot water so as to meet the demands of users. In the related art, in order to still be used when cold and hot water pipe dress of user is reversed, the cold water import and the hot water import central symmetry of constant temperature case set up, but when the user installs the case, lead to cold water import and hot water import dress to be reversed easily, cold water import and hot water pipe connection promptly, hot water import and cold water pipe connection lead to cold water and hot water misce bene, influence the water temperature, and user experience degree is poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the constant-temperature valve core provided by the utility model can reduce the risk of reverse installation of a user, so that cold water and hot water can be uniformly mixed, and the user experience is improved.

According to an embodiment of the utility model, a thermostatic valve core comprises: the device comprises a shell, a water inlet, a hot water inlet and a mixing cavity, wherein the mixing cavity is provided with a mixing outlet, and the cold water inlet and the hot water inlet are arranged in a central symmetry mode relative to a central shaft of the shell; the temperature adjusting mechanism comprises a piston and a temperature sensing piece, the piston is movably arranged in the shell, the piston is provided with a first water passing port and a second water passing port which are communicated with the mixing cavity, the first water passing port is positioned at one end of the second water passing port, which is away from the mixing cavity, the first water passing port is communicated with the cold water inlet, the second water passing port is communicated with the hot water inlet, the temperature sensing piece stretches into the mixing cavity and is connected with the piston, and the temperature sensing piece can drive the piston to move according to the water temperature in the mixing cavity so as to adjust the opening degrees of the first water passing port and the second water passing port; the shell is provided with a cold water mark and a hot water mark, the cold water mark is arranged corresponding to the cold water inlet, and the hot water mark is arranged corresponding to the hot water inlet.

The technical scheme at least has the following beneficial effects: through setting up cold water import and hot water import as the center pin central symmetry arrangement about the casing for the constant temperature case can use under the circumstances that user's cold water pipe and hot-water line adorned are reversed, and application scope is wide, simultaneously, set up in cold water mark that the cold water import corresponds, the hot water mark that corresponds with hot water import on the casing, make the user can be according to cold water mark and hot water mark accurate with cold water import and cold water piping connection, with hot water import and hot-water line connection, thereby cold water can dash hot water and at mixing intracavity intensive mixing, make out water temperature even, be favorable to improving user experience degree.

According to some embodiments of the utility model, the cold water marker and the hot water marker are provided on a peripheral wall or a top wall of the housing.

According to some embodiments of the utility model, the cold water marker and the hot water marker are provided as recesses or protrusions.

According to some embodiments of the utility model, the shell comprises an upper shell and a lower shell, wherein the upper shell is sleeved on the periphery of the lower shell and is in clamping fit with the lower shell.

According to some embodiments of the utility model, a sealing ring is arranged between the upper shell and the lower shell, and the sealing ring is wound on the lower shell and is abutted against the inner wall of the upper shell.

According to some embodiments of the utility model, the lower shell is provided with a positioning groove, and the sealing ring is accommodated in the positioning groove and protrudes out of the peripheral wall of the lower shell.

According to some embodiments of the utility model, the upper shell is provided with two buckles, the two buckles are arranged in a central symmetry mode about a central axis of the shell, and the lower shell is provided with a clamping block corresponding to the buckles.

According to some embodiments of the utility model, the upper shell is provided with an orientation groove, the orientation groove and the two buckles are alternately arranged along the circumferential direction of the upper shell, the lower shell is provided with an orientation block corresponding to the orientation groove, and the orientation block is accommodated in the orientation groove.

According to some embodiments of the utility model, the bottom of the lower shell is provided with two positioning posts, and the two positioning posts are arranged symmetrically about the center axis of the shell.

According to some embodiments of the utility model, the upper end of the temperature sensing piece is provided with a telescopic column, the telescopic column is configured to stretch along with the temperature rise of the temperature sensing piece so as to drive the piston to move downwards and shrink along with the temperature reduction of the temperature sensing piece, the lower end of the temperature sensing piece is connected with a reset spring, and the reset spring can drive the temperature sensing piece to move upwards so as to drive the piston to move upwards.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic diagram of a thermostatic valve core in an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a thermostatic cartridge in an embodiment of the utility model;

FIG. 3 is a schematic view of the structure of the upper shell according to the embodiment of the present utility model;

fig. 4 is a schematic structural view of the lower case according to an embodiment of the present utility model.

Reference numerals:

a housing 100; an upper case 110; a clasp 111; an orientation groove 112; a lower case 120; a latch 121; an orientation block 122; a seal ring 123; a positioning groove 124; a positioning post 125; a cold water chamber 130; a cold water inlet 131; a hot water chamber 140; a hot water inlet 141; a mixing chamber 150; a mixing outlet 151; a cold water mark 160; a hot water marker 170; a mounting cavity 180;

a temperature adjustment mechanism 200; a piston 210; a first water passing port 211; a second water passing port 212; water passing holes 213; a temperature sensing member 220; a telescoping column 221; and a return spring 230.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 4, an embodiment of the present utility model provides a thermostatic cartridge including a housing 100 and a temperature regulating mechanism 200.

Referring to fig. 1 and 2, it can be understood that the housing 100 includes an upper shell 110 and a lower shell 120, the upper shell 110 and the lower shell 120 are both in a revolving structure, and the inner diameter of the upper shell 110 is larger than the outer diameter of the lower shell 120, the upper shell 110 is located at the upper portion of the lower shell 120 and sleeved on the outer periphery of the lower shell 120, and the upper shell 110 and the lower shell 120 are in clamping fit, so that the upper shell 110 and the lower shell 120 are fixedly connected.

Referring to fig. 2, it can be understood that in the case 100, the lower case 120 is provided with a cold water chamber 130, a hot water chamber 140, and a mixing chamber 150, wherein the mixing chamber 150 is provided at the middle of the lower case 120, the cold water chamber 130 and the hot water chamber 140 are respectively provided at both sides of the outer circumference of the mixing chamber 150, the cold water chamber 130 is provided at the lower end thereof with a cold water inlet 131, the hot water chamber 140 is provided at the lower end thereof with a hot water inlet 141, and the mixing chamber 150 is provided at the lower end thereof with a mixing outlet 151, wherein the cold water inlet 131 and the hot water inlet 141 are centrally and symmetrically arranged with respect to the central axis of the case 100.

Referring to fig. 2, it can be understood that the temperature adjustment mechanism 200 includes a piston 210 and a temperature sensing element 220, and the piston 210 is a solid of revolution structure. The upper end of the mixing chamber 150 is provided with a mounting chamber 180, and the inner diameter of the mounting chamber 180 is slightly larger than the inner diameter of the mixing chamber 150. The piston 210 is movably installed in the installation cavity 180 along the up-down direction, a gap between the upper end surface of the piston 210 and the inner wall of the upper shell 110 is a first water passing port 211, and a gap between the lower end surface of the piston 210 and the upper end surface of the mixing cavity 150 is a second water passing port 212, i.e. the first water passing port 211 is located at one end of the second water passing port 212 away from the mixing cavity 150. The piston 210 is provided with a plurality of water passing holes 213 penetrating in the up-down direction, the first water passing hole 211 communicates with the mixing chamber 150 through the water passing holes 213, and the second water passing hole 212 communicates directly with the mixing chamber 150. Meanwhile, the first water passing port 211 is communicated with the upper end of the cold water chamber 130, i.e., the first water passing port 211 is communicated with the cold water inlet 131, and the second water passing port 212 is communicated with the upper end of the hot water chamber 140, i.e., the second water passing port 212 is communicated with the hot water inlet 141.

Referring to fig. 2, it can be appreciated that the temperature sensing member 220 is coupled to the piston 210, the lower end of the temperature sensing member 220 extends into the mixing chamber 150, and the upper end of the temperature sensing member 220 extends to the upper case 110. The temperature sensing element 220 is configured to drive the piston 210 to move up and down according to the water temperature in the mixing chamber 150, so as to adjust the opening degrees of the first water passing port 211 and the second water passing port 212. Specifically, when the piston 210 moves upward, the opening degree of the first water passing port 211 decreases, the opening degree of the second water passing port 212 increases, the amount of hot water entering the mixing chamber 150 increases, and the outlet water temperature increases; when the piston 210 moves downward, the opening of the first water passing port 211 increases, the opening of the second water passing port 212 decreases, the amount of cold water entering the mixing chamber 150 increases, and the outlet water temperature decreases.

Referring to fig. 1 and 3, it can be understood that in the case 100, the upper case 110 is provided with a cold water mark 160 and a hot water mark 170, the cold water mark 160 corresponds to the cold water inlet 131, and the hot water mark 170 corresponds to the hot water inlet 141. Specifically, the cold water mark 160 is provided as letter C and is located above the cold water inlet 131, the hot water mark 170 is provided as letter H and is located above the hot water inlet 141, i.e., both the cold water mark 160 and the hot water mark 170 are provided at the top wall of the upper case 110. So that the user can accurately identify the cold water inlet 131 and the hot water inlet 141 through the cold water mark 160 and the hot water mark 170 to accurately connect the cold water inlet 131 with the cold water pipe and the hot water inlet 141 with the hot water pipe.

Through setting up cold water import 131 and hot water import 141 as arranging about the center pin central symmetry of casing 100 for the constant temperature case can use under the circumstances that user's cold water pipe and hot water pipe adorned reversely, application scope is wide, simultaneously, set up in cold water mark 160 that cold water import 131 corresponds, hot water mark 170 that corresponds with hot water import 141 on casing 100, make the user can be according to cold water mark 160 and hot water mark 170 accurate with cold water import 131 and cold water piping connection, with hot water import 141 and hot water pipe connection, thereby cold water can dash hot water and mix fully in mixing chamber 150, make out that the temperature is even, be favorable to improving user experience degree.

It is understood that the cold water mark 160 and the hot water mark 170 may be provided on the circumferential wall of the upper case 110, the cold water mark 160 being located at one side of the cold water inlet 131, and the hot water mark 170 being located at one side of the hot water inlet 141. Accordingly, it is also possible for the user to accurately identify the cold water inlet 131 and the hot water inlet 141 according to the cold water mark 160 and the hot water mark 170 to accurately connect the cold water inlet 131 with the cold water pipe and the hot water inlet 141 with the hot water pipe.

Referring to fig. 3, it is understood that the cold water mark 160 and the hot water mark 170 may be provided as recesses or protrusions. For example, the cold water mark 160 is a concave letter C or a convex letter C, and the hot water mark 170 is a concave letter H or a convex letter H, which is convenient for processing on one hand and makes the cold water mark 160 and the hot water mark 170 more conspicuous on the other hand, so that the user can observe conveniently.

Referring to fig. 2, it can be understood that a sealing ring 123 is disposed between the upper case 110 and the lower case 120, the sealing ring 123 is a rubber ring or a silica gel ring, the sealing ring 123 is sleeved on the outer periphery of the lower case 120, that is, the sealing ring 123 is wound on the lower case 120, and the outer peripheral wall of the sealing ring 123 abuts against the inner wall of the upper case 110, so that the lower case 120 is in sealing connection with the upper case 110, and the sealing effect is good, so that water leakage is avoided.

Referring to fig. 2 and 4, it can be appreciated that the lower case 120 is provided with a positioning groove 124, the positioning groove 124 is disposed along the circumferential direction of the lower case 120, and the sealing ring 123 is accommodated in the positioning groove 124 and protrudes from the outer circumferential wall of the lower case 120, so that the sealing ring 123 can be positioned, and the sealing ring 123 can be abutted against the inner wall of the upper case 110, thereby avoiding the problem of sealing failure caused by displacement of the sealing ring 123, and improving reliability.

Referring to fig. 1, 3 and 4, it can be understood that the lower end of the upper case 110 is provided with two snaps 111, the two snaps 111 are arranged centering symmetrically about the central axis of the case 100, and the lower case 120 is provided with a latch 121 corresponding to the snaps 111. The upper shell 110 and the lower shell 120 are connected in a clamping manner by the clamping buckles 111 and the clamping blocks 121, so that the operation is convenient, and the connection is stable and reliable.

Referring to fig. 3 and 4, it can be understood that the outer wall of the upper case 110 is provided with two orientation grooves 112, the two orientation grooves 112 and the two snaps 111 are alternately arranged in the circumferential direction of the upper case 110, and the lower case 120 is provided with orientation blocks 122 corresponding to the orientation grooves 112. When the upper shell 110 and the lower shell 120 are installed, the orientation block 122 can be accommodated in the orientation groove 112, so that the upper shell 110 and the lower shell 120 can only move relatively along the up-down direction, which is beneficial to the accurate clamping of the clamping block 121 into the clamping buckle 111 and convenient assembly.

Referring to fig. 2 and 4, it can be understood that the bottom of the lower case 120 is provided with two positioning posts 125, and the two positioning posts 125 are centrally and symmetrically arranged about the central axis of the case 100. The positioning column 125 is matched with the positioning hole of the faucet so as to accurately position the constant temperature valve core in the faucet, and the assembly is convenient.

Referring to fig. 2, it can be understood that the upper end of the temperature sensing member 220 is provided with a telescopic column 221, and the upper end of the telescopic column 221 abuts against the upper case 110. The lower end of the temperature sensing element 220 extends into the mixing chamber 150 and is used for detecting the water temperature in the mixing chamber 150, the temperature sensing element 220 can transfer heat to the telescopic column 221, and the telescopic column 221 can stretch along with the temperature rise and shrink along with the temperature reduction. The lower end of the temperature sensing element 220 is connected with a return spring 230, and two ends of the return spring 230 are respectively abutted against the lower shell 120 and the temperature sensing element 220. When the water temperature in the mixing chamber 150 is higher than the set value, the telescopic column 221 stretches to drive the temperature sensing element 220 to move downwards, the reset spring 230 is in a compressed state, the temperature sensing element 220 drives the piston 210 to move downwards, the opening of the first water passing port 211 is increased, the opening of the second water passing port 212 is reduced, and the amount of cold water entering the mixing chamber 150 is increased, so that the water temperature in the mixing chamber 150 is reduced to the set value; when the water temperature in the mixing chamber 150 is lower than the set value, the telescopic column 221 is contracted, the temperature sensing element 220 is driven to move upwards under the action of the return spring 230, the temperature sensing element 220 drives the piston 210 to move upwards, the opening of the first water passing port 211 is reduced, the opening of the second water passing port 212 is increased, and the amount of hot water entering the mixing chamber 150 is increased, so that the water temperature in the mixing chamber 150 is increased to the set value. Therefore, the water temperature in the mixing chamber 150 can be adjusted to the set value, thereby meeting the user demand.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A thermostatic cartridge, comprising:

the device comprises a shell, a water inlet, a hot water inlet and a mixing cavity, wherein the mixing cavity is provided with a mixing outlet, and the cold water inlet and the hot water inlet are arranged in a central symmetry mode relative to a central shaft of the shell;

the temperature adjusting mechanism comprises a piston and a temperature sensing piece, the piston is movably arranged in the shell, the piston is provided with a first water passing port and a second water passing port which are communicated with the mixing cavity, the first water passing port is positioned at one end of the second water passing port, which is away from the mixing cavity, the first water passing port is communicated with the cold water inlet, the second water passing port is communicated with the hot water inlet, the temperature sensing piece stretches into the mixing cavity and is connected with the piston, and the temperature sensing piece can drive the piston to move according to the water temperature in the mixing cavity so as to adjust the opening degrees of the first water passing port and the second water passing port;

the shell is provided with a cold water mark and a hot water mark, the cold water mark is arranged corresponding to the cold water inlet, and the hot water mark is arranged corresponding to the hot water inlet.

2. A thermostatic valve cartridge according to claim 1, wherein: the cold water mark and the hot water mark are arranged on the peripheral wall or the top wall of the shell.

3. A thermostatic cartridge according to claim 1 or 2, wherein: the cold water mark and the hot water mark are provided as concave parts or convex parts.

4. A thermostatic valve cartridge according to claim 1, wherein: the shell comprises an upper shell and a lower shell, wherein the upper shell is sleeved on the periphery of the lower shell and is in clamping fit with the lower shell.

5. A thermostatic valve cartridge according to claim 4, wherein: and a sealing ring is arranged between the upper shell and the lower shell, and is wound on the lower shell and is abutted against the inner wall of the upper shell.

6. A thermostatic valve cartridge according to claim 5, wherein: the lower shell is provided with a positioning groove, and the sealing ring is accommodated in the positioning groove and protrudes out of the peripheral wall of the lower shell.

7. A thermostatic valve cartridge according to claim 4, wherein: the upper shell is provided with two buckles, the two buckles are symmetrically arranged around the center axis of the shell, and the lower shell is provided with a clamping block corresponding to the buckles.

8. A thermostatic valve cartridge according to claim 7 wherein: the upper shell is provided with an orientation groove, the orientation groove and the two buckles are alternately arranged along the circumferential direction of the upper shell, the lower shell is provided with an orientation block corresponding to the orientation groove, and the orientation block is accommodated in the orientation groove.

9. A thermostatic valve cartridge according to claim 4, wherein: the bottom of the lower shell is provided with two positioning columns, and the two positioning columns are arranged symmetrically about the center axis of the shell.

10. A thermostatic valve cartridge according to claim 1, wherein: the upper end of the temperature sensing piece is provided with a telescopic column, the telescopic column is configured to stretch along with the temperature rise of the temperature sensing piece so as to drive the piston to move downwards and shrink along with the temperature reduction of the temperature sensing piece, the lower end of the temperature sensing piece is connected with a reset spring, and the reset spring can drive the temperature sensing piece to move upwards so as to drive the piston to move upwards.

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