CN218377801U - Switching valve core - Google Patents

Abstract

The utility model proposes a switching valve core, which includes a housing. The housing is provided with a static plate and a moving plate controlled by a valve rod to slide relative to the static plate. The static plate is provided with a water inlet and first, As for the second water outlet, the movable piece is provided with a water diversion part that connects the water inlet with the first water outlet or the second water outlet when it slides. The utility model has the advantage of realizing two-speed switching based on the swing control.

Description

A switching spool

technical field

The utility model relates to the field of bathroom fittings, in particular to a switching valve core.

Background technique

The spool is very common in bathroom products. Take the current shower faucet as an example. Due to the multi-speed function, it is necessary to control the gear switching through different types of spools; the current mainstream ones are: multi-speed rotary, That is, a rotary spool with one input and multiple outputs controls the switching of gears; the push type, that is, switch the on and off of the gear by pressing; the swing type, that is, control the switching of the gear by swinging the valve stem; but the current swing type only The water flow can be turned on and off, while the multi-speed rotary type can realize the water flow cut-off and the gear switching at the same time. Therefore, it is necessary to design a new control method, which can realize mutual cut-off through a valve core, so that it can The control method is at the forefront, making the product more competitive in the market for switching spools.

Utility model content

Based on the above problems, the purpose of this utility model is to provide a switching spool based on swing control to realize two-speed switching.

In view of the above problems, the following technical solutions are provided: a switching valve core, including a housing, the housing is provided with a static piece and a moving piece controlled by a valve stem to slide relative to the static piece, and the static piece is provided with an advanced As for the water channel and the first and second water outlet channels, the moving plate is provided with a water diversion part that connects the water inlet channel with the first water channel or the second water outlet channel when it slides.

In the above structure, compared with the existing swing valve core that can only realize the on-off function, its cut-off function is abandoned, and a second water outlet is provided. Therefore, at the two extreme positions within the swing range of the valve stem, it can realize The water inlet is connected to the first water outlet or the water inlet is connected to the second water outlet. It is suitable for the occasion of switching between one or the other, making it more operable to match shower faucets and other sanitary products, and effectively improving the efficiency of the downstream water outlet. Ease of use; for example, if a traditional shower faucet wants to switch between the shower and the top spray, it needs to install two traditional swing valve cores. When the two swing valve cores are closed, even if the upstream mixing water valve core is opened, It is still unable to directly discharge water. If this switching spool is used, on the basis of retaining the original swing control, only one spool is needed to complete the control functions of the two traditional swing spools, and at the same time, the upstream mixed water spool is opened Can be directly out of water.

The utility model is further provided that, the bottom of the housing is provided with a water inlet corresponding to and connected with the water inlet, a first water outlet corresponding and connected with the first water outlet, and a second outlet corresponding and connected with the second water outlet. Shuikou.

In the above structure, during installation, the static piece can be directly buckled and fixed with the rear end of the housing, and the static piece can be directly offset against the bottom of the valve core installation part of the shower faucet (equivalent to the static piece directly replacing the bottom of the shell, this structure can Effectively shorten the axial length of the spool); at the same time, the static piece can also be built into the housing, and the installation is realized by abutting the rear end of the housing with the bottom of the spool installation part of the shower faucet.

The utility model is further configured as follows: the side of the moving piece facing away from the static piece is provided with a moving piece bracket that is buckled and connected with the moving piece, and the side of the moving piece bracket facing away from the moving piece is provided with a Dial the hole.

In the above structure, the moving piece bracket is used to connect the moving piece and the valve stem.

The utility model is further provided that the outer wall of the housing is provided with a first sealing ring, and the first and second water outlets are located on the rear end surface of the housing and are provided with a second water outlet surrounding the first and second water outlets. A sealing ring; the water inlet is located at the rear end of the housing and is spaced from the rear end surface of the housing.

In the above structure, the first sealing ring cooperates with the second sealing ring to realize water inflow to the inner wall of the valve core installation part.

The utility model is further configured as follows: there are two water inlets, which are arranged at an interval of 180 degrees in the circumferential direction of the static plate; the first and second water outlets are located between adjacent water inlets and are arranged at an interval of 180 degrees from each other.

In the above structure, two water inlet channels are arranged in the circumferential direction, which can effectively increase the water inlet flow.

The utility model is further configured that the water diversion part is always in communication with the two water inlets when the moving piece slides relative to the static piece.

In the above structure, it is ensured that the water diversion part can be switched between the first and second water outlets when the moving piece slides relative to the static piece.

The utility model is further provided that the housing includes a main housing and a front cover fastened therewith, the front cover is provided with a valve stem bracket, and the valve stem is hinged to the valve stem bracket; the first sealing ring is located Between the main housing and the front cover.

In the above structure, the main housing and the front cover are fastened together for easy assembly.

The utility model is further configured as follows: the front end of the valve stem bracket is provided with a limit groove, and the valve stem is provided with an elastic positioning column adapted to the limit groove and used to limit the limit of two swing positions of the valve stem.

In the above structure, the limit groove and the elastic positioning column are adapted to locate at two extreme swing positions of the valve stem.

Beneficial effects of the utility model: Compared with the existing swing valve core which can only realize the on-off function, its cut-off function is abandoned, and one more second water outlet is provided, so at two extreme positions within the swing range of the valve stem , which can realize the connection between the water inlet and the first water outlet or the connection between the water inlet and the second outlet. The convenience of using the water outlet; for example, if the traditional shower faucet wants to switch between the shower and the top spray, it needs to install two traditional swing valve cores. When the two swing valve cores are closed, even if the upstream mixing water valve If the spool is open, water cannot be discharged directly. If this switching spool is used, on the basis of retaining the original swing control, only one spool is needed to complete the control functions of the two traditional swing spools, and at the same time, the water is mixed upstream. When the spool is opened, water can be discharged directly.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a schematic diagram of a full cross-section of the valve stem of the present invention when it is in the first extreme position.

Fig. 3 is a schematic diagram of a full cross-section of the valve stem of the present invention when it is in the second extreme position.

Fig. 4 is a schematic diagram of an exploded structure in a top view of the present invention.

Fig. 5 is a schematic diagram of the explosive structure of the utility model from a bottom-up perspective.

Meanings of symbols in the figure: 10-housing; 101-water inlet; 102-first water outlet; 103-second water outlet; 105-first sealing ring; 106-second sealing ring; 107-main housing; 108 -front cover; 1081-valve stem bracket; 1082-limiting groove; 11-static plate; 111-water inlet; 112-first water outlet; 113-second water outlet; 12-valve stem; ; 13-moving piece; 131-water distribution part; 14-moving piece support; 141-digging pit; 15-the third sealing ring.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Referring to Fig. 1 to Fig. 5, a switching valve core as shown in Fig. 1 to Fig. 5 includes a housing 10, the housing 10 is provided with a static plate 11 and is controlled by a valve stem 12, so as to be relative to the static plate 11 Sliding moving piece 13, the static piece 11 is provided with a water inlet 111, a first water outlet 112, and a second water outlet 113, and the moving piece 13 is provided with a water inlet 111 and a first water outlet when it slides. The water channel 112 or the second water outlet channel 113 is alternatively connected to the water diversion part 131 .

In the above structure, compared with the existing swing valve core that can only realize the on-off function, its cut-off function is abandoned, and one more second water outlet 113 is provided, so at the two extreme positions within the swing range of the valve stem 12, It can realize the connection between the water inlet 111 and the first water outlet 112 or the connection between the water inlet 111 and the second water outlet 113, which is suitable for the occasion of switching between one and the other, making it more operable in matching sanitary products such as shower faucets, Effectively improve the convenience of using the downstream water outlet; for example, if the traditional shower faucet wants to switch between the shower and the top spray, it needs to install two traditional swing spools. When the two swing spools are closed, even if the upstream The mixed water spool is opened, but still cannot directly discharge water. If this switching spool is used, on the basis of retaining the original swing control, only one spool is needed to complete the control functions of the two traditional swing spools. When the upstream mixed water spool is opened, the water can be discharged directly.

In this embodiment, the bottom of the housing 10 is provided with a water inlet 101 corresponding to and communicating with the water inlet 111, a first water outlet 102 corresponding and communicating with the first water outlet 112, and a first water outlet 102 corresponding and communicating with the second water outlet 113. The second water outlet 103.

In the above structure, during installation, the static piece 11 can be directly buckled and fixed with the rear end of the housing 10, and the static piece 11 can be directly connected to the valve core installation part (not shown in the figure) of the shower faucet (not shown in the figure). (out) the bottom (equivalent to the static plate 11 directly replacing the bottom of the housing 10, this structure can effectively shorten the axial length of the valve core); at the same time, the static plate 11 can also be built in the housing 10, through the rear end of the housing 10 and the flower The bottom of the spool installation part of the faucet is offset to realize the installation.

In this embodiment, the side of the moving piece 13 facing away from the static piece 11 is provided with a moving piece bracket 14 snap-fitted with the moving piece 13, and the side of the moving piece bracket 14 facing away from the moving piece 13 is provided with a valve stem. 12 Dial hole 141 adapted to the rear end.

In the above structure, the moving piece bracket 14 is used to connect the moving piece 13 and the valve stem 12 .

In this embodiment, the outer wall of the housing 10 is provided with a first sealing ring 105, and the first water outlet 102 and the second water outlet 103 are located on the rear end surface of the housing 10 and are provided around the first water outlet 102, The second sealing ring 106 provided at the second water outlet 103 ; the water inlet 101 is located at the rear end of the casing 10 and is spaced from the rear end surface of the casing 10 .

In the above structure, the first sealing ring 105 cooperates with the second sealing ring 106 to realize water inflow to the inner wall of the valve core installation part (not shown in the figure).

In this embodiment, there are two water inlets 111, which are arranged at intervals of 180 degrees in the circumferential direction of the static plate 11; the first water outlet 112 and the second water outlet 113 are located between adjacent water inlets 111 and mutually Set at intervals of 180 degrees.

In the above structure, two water inlet channels 111 are arranged in the circumferential direction, which can effectively increase the water inlet flow.

In this embodiment, the water diversion portion 131 is always in communication with the two water inlets 111 when the moving piece 13 slides relative to the stationary piece 11 .

In the above structure, it is ensured that the water diversion part 131 can be switched between the first water outlet 102 and the second water outlet 103 when the movable piece 13 slides relative to the stationary piece 11; the water diversion part 131 is a groove.

In this embodiment, the housing 10 includes a main housing 107 and a front cover 108 fastened thereto. The front cover 108 is provided with a valve stem bracket 1081, and the valve stem 12 is hinged to the valve stem bracket 1081; The first sealing ring 105 is located between the main housing 107 and the front cover 108 .

In the above structure, the main housing 107 and the front cover 108 are interlocked to facilitate assembly.

In this embodiment, the front end of the valve stem bracket 1081 is provided with a limit groove 1082 (the prior art), and the valve stem 12 is provided with a limit groove 1082 adapted to limit the limit of two swing positions of the valve stem 12. The elastic positioning column 121 (prior art).

In the above structure, the limiting groove 1082 and the elastic positioning post 121 are adapted to position the valve stem 12 at two extreme swing positions.

In this embodiment, a third sealing ring 15 is provided between the moving piece 13 and the bottom of the inner cavity of the main housing 107, and the third sealing ring 15 is used to seal the water inlet 101, the water inlet 111, and the first water outlet. 102 and the first water outlet 112 , the second water outlet 103 and the second water outlet 113 .

Beneficial effects of the utility model: Compared with the existing swing valve core that can only realize the on-off function, its cut-off function is abandoned, and one more second water outlet 113 is provided, so the two limits within the swing range of the valve stem 12 In terms of position, the connection between the water inlet 111 and the first water outlet 112 or the connection between the water inlet 111 and the second water outlet 113 can be realized, which is suitable for the occasion of switching between one and the other, making it more possible to match shower faucets and other sanitary products. Operability, effectively improving the convenience of using the downstream water outlet; for example, if a traditional shower faucet wants to switch between the shower and the top spray, it needs to install two traditional swing valve cores. When the two swing valve cores are closed , even if the upstream mixed water spool is opened, water still cannot be discharged directly. If this switching spool is used, on the basis of retaining the original swing control, only one spool is needed to complete the control function of two traditional swing spools , At the same time, the upstream mixed water valve core is opened to directly discharge water.

The above is only the preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. These improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (8)

1. The utility model provides a switch case, includes the casing, be equipped with the still in the casing and through valve rod control to for the gliding rotor of still, its characterized in that: the static sheet is provided with a water inlet channel, a first water outlet channel and a second water outlet channel, and the moving sheet is provided with a water dividing part which enables the water inlet channel to be communicated with the first water outlet channel or the second water outlet channel when the moving sheet slides.

2. The switching spool according to claim 1, wherein: the bottom of the shell is provided with a water inlet corresponding to and communicated with the water inlet channel, a first water outlet corresponding to and communicated with the first water outlet channel and a second water outlet corresponding to and communicated with the second water outlet channel.

3. The switching spool according to claim 1, wherein: the one side of rotor back to the still is equipped with the rotor support of being connected with the rotor buckle, the one side of rotor support back to the rotor is equipped with the hole of dialling with the adaptation of valve rod rear end.

4. A switching spool according to claim 2 or 3 wherein: the outer wall of the shell is provided with a first sealing ring, and the first water outlet and the second water outlet are positioned on the end face of the rear end of the shell and are provided with second sealing rings arranged around the first water outlet and the second water outlet; the water inlet is located the casing rear end and is the interval setting with casing rear end terminal surface.

5. A switching valve cartridge according to claim 1, 2 or 3, wherein: the two water inlet channels are arranged at intervals of 180 degrees in the circumferential direction of the stator; the first water outlet channel and the second water outlet channel are positioned between the adjacent water inlet channels and are arranged at an interval of 180 degrees.

6. The switching spool according to claim 5, wherein: the water dividing part is always communicated with the two water inlet channels when the moving plate slides relative to the static plate.

7. The switching spool according to claim 4, wherein: the shell comprises a main shell body and a front cover buckled with the main shell body, the front cover is provided with a valve rod support, and the valve rod is hinged with the valve rod support; the first sealing ring is positioned between the main shell and the front cover.

8. The switching spool according to claim 7, wherein: the valve rod support is characterized in that a limiting groove is formed in the front end of the valve rod support, and an elastic positioning column which is matched with the limiting groove and used for limiting the limits of two swing positions of the valve rod is arranged on the valve rod.

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