Control switch and spray gun

Abstract

The utility model discloses a control switch and a spray gun, the control switch comprises a body, the body is provided with a water inlet and a water outlet, the body is internally provided with a movable central bolt, a spring is arranged between the central bolt and the body, the periphery of the central bolt is provided with a sealing ring, and the sealing ring is connected with the water inlet and the water outlet. The sealing ring can be matched with the inner circumferential wall of the body in a sealing mode, a cavity is formed in the center bolt, and the cavity can be communicated with the water inlet of the body. The spray gun comprises the control switch. The utility model can effectively overcome the influence of the pressing of the hydraulic water central plug, and keep the pressing force from being influenced by the hydraulic pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to a control switch and a spray gun. BACKGROUND

[0002] At present, the press opening type spray gun on the market mostly moves up and down by the center bolt, blocks the flow channel by the sealing ring, opens the water when the center bolt moves, and makes the center bolt reset by the spring reset when the center bolt is released, so that the sealing ring seals the flow channel again, and the water flow is closed. The disadvantage of this structure in use is: because the water pressure of the spray gun itself is large, if the water inlet pressure becomes large, a larger pressing force is needed to drive the center bolt to move, which is more laborious to operate, and the user experience is poor. SUMMARY

[0003] In order to solve the above technical problems, the utility model aims at providing a control switch and a spray gun.

[0004] The utility model realizes the following technical scheme:

[0005] A control switch, comprising a body, a water inlet and a water outlet are arranged on the body, a movable center bolt is arranged in the body, a spring is arranged between the center bolt and the body, a sealing ring is arranged on the outer periphery of the center bolt, the sealing ring can be sealingly matched with the inner circumferential wall of the body, a cavity is arranged in the center bolt, and the cavity can be communicated with the water inlet of the body.

[0006] In the utility model embodiment, the body comprises a water channel and a guide sleeve, the water inlet and the water outlet are arranged on the water channel, a water inlet hole capable of being communicated with the water inlet is arranged on the side wall of the guide sleeve, the center bolt is sleeved on the inner periphery of the guide sleeve, and an opening is arranged on the inner periphery of the guide sleeve; when the sealing ring is sealingly matched with the opening, the water flow flowing into the water inlet cannot flow to the water outlet, and when the sealing ring is not sealingly matched with the opening, the water flow flowing into the water inlet can flow to the water outlet through the opening.

[0007] In the utility model embodiment, a first sealing element is arranged between the water channel and the guide sleeve, the first sealing element is located at the upper end and the lower end of the water inlet, a second sealing element is arranged between the guide sleeve and the center bolt, the second sealing element is located above the water inlet hole, the opening is located below the water inlet hole, and the water outlet is arranged between the sealing ring and the second sealing element.

[0008] In the utility model embodiment, the water outlet is located below the opening, the water channel located in the inner periphery of the water outlet is provided with a groove, a third sealing element is arranged between the lower end of the center bolt and the inner circumferential wall of the groove, and the groove can be communicated with the cavity in the center bolt.

[0009] The utility model discloses a recess middle part is provided with the guide pillar, the guide pillar can be placed in the chamber, the spring cover is equipped in the guide pillar outer periphery.

[0010] The utility model discloses still another technical feature:

[0011] A spray gun, comprising a control switch.

[0012] The utility model discloses a control switch and spray gun have following beneficial effect: can realize under different flow, the pressing force of pressing center peg movement is not affected by water pressure, and the pressing force of high water pressure and low water pressure basically keeps consistent, makes the user use more labor saving, facilitates the operation of user, improves the experience of user. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to make the technical scheme of the utility model clearer, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0014] Figure 1 It is the perspective view of the utility model.

[0015] Figure 2 It is the sectional view of the utility model when water is passed.

[0016] Figure 3 It is the sectional view of the utility model when water is closed.

[0017] Figure 4 It is the explosion view of the utility model. DETAILED DESCRIPTION

[0018] In order to make the technical scheme of the utility model clearer, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0019] In the description of the utility model, it is understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the directions or positional relationships shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0020] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0021] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0023] With reference to the accompanying drawings, the utility model discloses a control switch, including the body, be provided with the water inlet 11 and the water outlet 12 on the body, be provided with movable center plug 30 in the body, be provided with spring 31 between the center plug and the body, the outer periphery of center plug is provided with sealing ring 32, sealing ring can with the inner wall of body seal cooperation, so realize the water, when not seal cooperation, realize the water, be provided with chamber 33 in the center plug, chamber can be linked together with the water inlet of body, in an embodiment, be provided with the water pass 34 of the chamber and the water inlet intercommunication of center plug lateral wall, and the water of water inlet tax flow is introduced into the chamber through the water pass, in the closed state of not water, spring releases sealing the water outlet position (i.e. the inner side wall of opening) of center plug and center plug guide bushing upwards, and the water of inlet end is two-way, one way is to the chamber inside the center plug and the center plug guide bushing, another way is to the chamber inside the center plug, and the pressure of two-way water is balanced, and the whole pressing force reaches the balance, and the pressing force is affected by water pressure fluctuation, so that the hand feeling pressure is balanced, in the opening state of water, press the center plug downwards, and the spring is compressed and deformed, and the center plug moves downwards, and the water flow of the chamber inside the center plug is discharged from the water outlet through the water pass and other water flow, and the center plug is reset by the spring upward release when releasing the center plug, and the water flow is sealed.

[0024] Preferably, the body includes a water channel 10 and a guide bushing 20, the water inlet and the water outlet are arranged on the water channel, the guide bushing is arranged with a water inlet hole 21 on the circumferential wall, the center plug is sleeved on the inner wall of the guide bushing, and the inner wall of the guide bushing is arranged with an opening 22; when the sealing ring is sealed with the opening, the water flow flowing into the water inlet cannot flow to the water outlet, and when the sealing ring is not sealed with the opening, the water flow flowing into the water inlet can flow to the water outlet through the opening.

[0025] Further, the first sealing element 51 is arranged between the upper end and the lower end of the water inlet between the water channel and the guide bushing, the second sealing element 52 is arranged between the water inlet hole and the opening, the water pass is arranged between the sealing ring and the second sealing element, the water outlet is arranged below the opening, the water channel arranged on the inner wall of the water outlet is arranged with a groove 13, the third sealing element 53 is arranged between the lower end of the center plug and the inner wall of the groove, and the groove is communicated with the chamber in the center plug.

[0026] The utility model discloses still another technical feature:

[0027] A kind of spray gun, including the control switch described above, the control switch is mainly used to control whether waterway is water, it is applied to spray gun, center plug can be connected with the button on spray gun, can realize synchronous movement and open waterway.

[0028] The utility model more specifically says: waterway design is two-way water outlet after same road water inlet, one road to center plug and center plug guide bush, one road to center plug inside. Two pressure balance can make whole pressure balance, exclude pressurization and be affected by water pressure fluctuation, make hand feeling pressure balance. Press down center plug in opening state, spring deformation, center plug moves downward, the water flow in the chamber of center plug is discharged through water pass and other water flow, release press center plug, release sealing water flow by spring upward.

[0029] The above description shows and describes the preferred embodiments of the utility model, as described above, it should be understood that the utility model is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be changed within the scope of the utility model concept described herein by the above teaching or related art or knowledge. The change and variation made by the person in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. A control switch, comprising a body, wherein an inlet and an outlet are provided on the body, a movable central bolt is disposed within the body, a spring is disposed between the central bolt and the body, and a sealing ring is disposed on the outer periphery of the central bolt, the sealing ring being capable of sealingly engaging with the inner peripheral wall of the body, characterized in that... The center plug is internally provided with a chamber, which can communicate with the water inlet of the body.

2. A control switch according to claim 1, wherein, The body comprises a water channel and a guide sleeve, the water inlet and the water outlet are arranged on the water channel, the guide sleeve is internally provided with a water inlet hole which can communicate with the water inlet, the center plug is sleeved on the inner wall of the guide sleeve, and the inner wall of the guide sleeve is provided with an opening; when the sealing ring is in sealing cooperation with the opening, the water flow flowing into the water inlet cannot flow to the water outlet, and when the sealing ring is not in sealing cooperation with the opening, the water flow flowing into the water inlet can flow to the water outlet through the opening.

3. A control switch according to claim 2, wherein, The first sealing element is arranged between the water channel and the guide sleeve, and is located at the upper end and the lower end of the water inlet; the second sealing element is arranged between the guide sleeve and the center plug, and is located above the water inlet hole; the opening is located below the water inlet hole; the side wall of the center plug is provided with a water passing hole which can communicate between the chamber and the water inlet, and the water passing hole is arranged between the sealing ring and the second sealing element.

4. A control switch according to claim 3, wherein, The water outlet is located below the opening, the water channel located on the inner wall of the water outlet is provided with a groove, the third sealing element is arranged between the lower end of the center plug and the inner wall of the groove, and the groove can communicate with the chamber in the center plug.

5. A control switch according to claim 4, wherein, The middle part of the groove is provided with a guide column, the guide column can be arranged in the chamber, and the spring is sleeved on the outer wall of the guide column.

6. A spray gun characterized by The control switch comprises the center plug. The control switch comprises the center plug.

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