阅读说明：本技术 一种喷头 (Spray head ) 是由 蒋海平 于 2021-07-27 设计创作，主要内容包括：本发明提供了一种喷头,属于供水设备技术领域,包括：喷头座,所述喷头座包括：座体台面,所述座体台面上设置有出水通道；臂体,所述臂体设置在座体台面上；堵头；触发座,所述触发座位于所述容置空间中,且所述触发座包括：基体,所述基体位于所述堵头的上方；抵触体,所述抵触体和所述基体连接；以及支撑体,所述支撑体和基体或抵触体连接,且所述支撑体抵触在所述臂体上；感温件；此外,所述堵头到紧固件的施力方向为第一方向；所述支撑体到臂体的施力方向为第二方向,其中至少一个第二方向和第一方向错开,以使得所述触发座相对于臂体具体翻转的趋势；达到喷头尺寸缩短的技术效果。(The invention provides a spray head, which belongs to the technical field of water supply equipment and comprises: a nozzle mount, the nozzle mount comprising: the water outlet channel is arranged on the table top of the seat body; the arm body is arranged on the table top of the seat body; a plug; the trigger seat is arranged in the accommodating space and comprises: the base body is positioned above the plug; the contact body is connected with the base body; the support body is connected with the base body or the abutting body and abuts against the arm body; a temperature sensing member; in addition, the force application direction from the plug to the fastener is a first direction; the force application direction from the support body to the arm body is a second direction, wherein at least one second direction is staggered with the first direction, so that the trigger seat has a tendency of being turned over relative to the arm body; the technical effect of shortening the size of the spray head is achieved.)

1. A spray head, comprising:

a nozzle mount, the nozzle mount comprising:

the water outlet channel is arranged on the table top of the seat body;

the arm body is arranged on the table top of the seat body and forms an accommodating space; the plug is arranged on the water outlet channel of the table top of the seat body and used for sealing the water outlet channel; a trigger seat, the trigger seat comprising:

the base body is positioned above the plug; a fastening piece is arranged on the base body, and the bottom of the fastening piece is abutted against the plug;

the contact body is connected with the base body; and

the supporting body is connected with the base body or the abutting body and abuts against the arm body;

the temperature sensing element and the abutting body are combined to form a trigger assembly, and the trigger assembly is limited and arranged between the arm bodies;

in addition, the force application direction from the plug to the fastener is a first direction; the force application direction of the support body to the arm body is a second direction, one or more support bodies are arranged on the support body to form one or more second directions, and at least one second direction and the first direction are staggered, so that the triggering seat has a tendency of being turned over relative to the arm body.

2. The spray head of claim 1, wherein the support body is provided with a support surface relative to the arm, the support surface being inclined, and wherein the second and first directions of the support body to the arm are offset by the inclined support surface.

3. The spray head of claim 2, wherein the support surface is inclined toward the center of the receiving space from the lower end of the support body to the upper end of the support body.

4. The spray head of claim 1, wherein a portion of the arm is recessed to form an arm cavity; the supporting body is abutted in the arm cavity of the arm body.

5. The spray head of claim 1, wherein a portion of the abutting body is located above the supporting body, and the portion of the abutting body and the temperature sensing element are combined and limited in the accommodating space.

6. The spray head of claim 1, wherein the support body is provided in two, including a first support body and a second support body, the first support body and the second support body being respectively provided at both sides of the base body; the force application direction from the first support body to the arm body forms a second direction consistent with the first direction; the force application direction from the second support body to the arm body forms a second direction which is staggered with the first direction.

7. The spray head of claim 6, wherein the first support body abuts against the arm body by providing a first support surface, and the first support surface is a circular arc surface or a plane with circular arc angle, and the first support body is rotatable relative to the arm body by the first support surface.

8. The spray head of claim 6, wherein the second support and the abutting body are disposed on the same side of the base, and the horizontal component of the force applied to the second support is cancelled by the abutting body.

9. The spray head of claim 1, wherein the abutting body is provided with an adapting hole with respect to the temperature sensing member; one end of the temperature sensing piece is positioned in the adapting hole, and the temperature sensing piece is attached to the hole wall of the adapting hole or the surface of the trigger body; the second end of the temperature sensing piece faces the arm body.

10. The spray head of any of claims 1-9, wherein the fastener comprises a movable body and a roller, the movable body is adjustably attached to the base, and the roller is positioned between the movable body and the plug.

Technical Field

The invention relates to the technical field of water supply equipment, in particular to a spray head.

Background

At present, a temperature sensing glass ball in a spray head is vertically arranged and directly props against a plug, so that the aim of sealing a spray head seat by the plug is fulfilled.

But because of the vertical structure of the temperature sensing glass ball, the spray head of the structure is longer in size; the method cannot be applied to some scenes with limited installation size of the spray head. For example, the conventional spray head is arranged on the suspended ceiling, and the lower part of the spray head is exposed outside the suspended ceiling, so that the spray head is obtrusive and has poor aesthetic property. And if the height of the suspended ceiling is reduced, the spray head is arranged above the suspended ceiling, so that the spray head is difficult to trigger.

Therefore, the technical problems of the prior art are as follows: the size of the spray head is longer.

Disclosure of Invention

The application provides a spray head, which solves the technical problem that the size of the spray head is too long in the prior art; the technical effect of shortening the size of the spray head is achieved.

The application provides a shower nozzle, the shower nozzle includes: a nozzle mount, the nozzle mount comprising: the water outlet channel is arranged on the table top of the seat body; the arm body is arranged on the table top of the seat body and forms an accommodating space; the plug is arranged on the water outlet channel of the table top of the seat body and used for sealing the water outlet channel; the trigger seat is arranged in the accommodating space and comprises: the base body is positioned above the plug; a fastening piece is arranged on the base body, and the bottom of the fastening piece is abutted against the plug; the contact body is connected with the base body; the support body is connected with the base body or the abutting body and abuts against the arm body; the temperature sensing element and the abutting body are combined to form a trigger assembly; an adjusting piece which is adjustably connected on the arm body and is used for limiting the trigger assembly between the arm bodies; the adjusting piece is abutted against the first end of the trigger assembly, and the second end of the trigger assembly is abutted against the arm body; the position of the trigger seat relative to the arm body is limited through the trigger assembly with limited position; in addition, the force application direction from the plug to the fastener is a first direction; the force application direction of the support body to the arm body is a second direction, one or more support bodies are arranged on the support body to form one or more second directions, and at least one second direction and the first direction are staggered, so that the triggering seat has a tendency of being turned over relative to the arm body.

Preferably, the support body is provided with a support surface with respect to the arm body, the support surface is inclined, and the second direction and the first direction from the support body to the arm body are deviated by the inclined support surface.

Preferably, the support surface is inclined toward the center of the accommodating space from the lower end of the support body to the upper end of the support body.

Preferably, the part of the arm body is concave to form an arm cavity; the supporting body is abutted in the arm cavity of the arm body.

Preferably, a portion of the abutting body is located above the supporting body, and the portion of the abutting body and the temperature sensing element are combined and limited in the accommodating space.

Preferably, the number of the support bodies is two, the two support bodies comprise a first support body and a second support body, and the first support body and the second support body are respectively arranged on two sides of the base body; the force application direction from the first support body to the arm body forms a second direction consistent with the first direction; the force application direction from the second support body to the arm body forms a second direction which is staggered with the first direction.

Preferably, the first supporting body is abutted against the arm body through the first supporting face, the first supporting face is specifically an arc face or a plane with an arc angle, and the first supporting body is enabled to rotate relative to the arm body through the first supporting face.

Preferably, the second supporting body and the abutting body are arranged on one side of the base body, and the horizontal component force applied to the second supporting body is offset through the abutting body.

Preferably, the abutting body is provided with an adaptive hole relative to the temperature sensing element; one end of the temperature sensing piece is positioned in the adapting hole, and the temperature sensing piece is attached to the hole wall of the adapting hole or the surface of the trigger body; the second end of the temperature sensing piece faces the arm body.

Preferably, the fastener comprises a movable body and a rolling part, the movable body is connected to the base body in an adjustable mode, and the rolling part is located between the movable body and the plug.

One or more technical solutions in the present application have at least one or more of the following technical effects:

1. in the embodiment of the application, the temperature sensing piece is transversely arranged as a means for shortening the length size of the spray head, and the trigger seat matched with the temperature sensing piece is designed based on the means; specifically, the trigger seat comprises a base body, a support body and a butting body, wherein the temperature sensing piece and the butting body form a trigger assembly, the butting body is butted at a specific position by the temperature sensing piece, and a part of transverse acting force borne by the support body is shared based on the fixed position of the butting body, so that the position of the whole trigger seat is stable, and a fastener can be guaranteed to be stably butted on the plug; the technical problem that the size of the spray head is longer in the prior art is solved; the technical effect of shortening the size of the spray head is achieved.

2. In the embodiment of the application, in order to ensure that the trigger assembly can bear large water pressure and ensure the sensitivity of triggering the spray head, the left and right supporting bodies are arranged firstly, and the acting force of the pipeline acting on the plug is divided into two parts; secondly, optimizing a supporting surface of at least one supporting column relative to the arm body, specifically, if the supporting surface is optimized to be inclined, constructing a second direction staggered with the first direction by utilizing the inclined supporting surface so as to disperse the divided acting force, only a small part of the acting force is dispersed on the temperature sensing piece, and the rest of the acting force is borne by the supporting body and the arm body; the shower nozzle can bear big water pressure, if bear 35 kilograms of water pressure, guarantees simultaneously that the shower nozzle still can the sensitive trigger.

3. In this embodiment, the first supporting surface on the first supporting body is set as an arc surface or a plane with an arc angle, and the second supporting surface on the second supporting body is set as an inclined surface; so that after the temperature sensing piece is triggered, the second supporting body can be quickly turned outwards under the action of water pressure in the pipeline, and meanwhile, the first supporting body can rotate along with the turned-out second supporting body, so that the aim that the trigger seat is turned over and separated from the fastener is fulfilled.

4. In the embodiment of the application, the fastener comprises a movable body and a rolling piece; the whole height of the trigger seat can be increased by utilizing the phase change of the movable body movably arranged on the base body, and the purpose that the plug is stably acted on the water outlet channel is achieved. Meanwhile, the rolling piece is arranged between the movable body and the plug, so that the trigger seat can smoothly move transversely along with the adjustment of the adjusting piece when the device is assembled; and secondly, when the trigger seat is outwards turned, the friction interference between the movable body and the plug is avoided.

Drawings

FIG. 1 is a schematic diagram of a right-side axial direction structure of a showerhead according to an embodiment of the present application;

FIG. 2 is a schematic view of a main view direction structure of a showerhead according to an embodiment of the present application;

FIG. 3 is a schematic view of a main view direction structure of the trigger seat in the embodiment of the present application;

FIG. 4 is a schematic view of a main view direction structure of another nozzle in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a main viewing direction of a sprinkler when triggered according to an embodiment of the present application;

FIG. 6 is an enlarged view taken at A in FIG. 2;

FIG. 7 is an enlarged view at B in FIG. 2;

FIG. 8 is a schematic view of the hidden trigger base in the state of FIG. 1;

FIG. 9 is a schematic side view of a left side shaft of a showerhead according to an embodiment of the present application;

FIG. 10 is a schematic view of a main view direction structure of another showerhead according to an embodiment of the present application;

FIG. 11 is an enlarged view at C of FIG. 10;

FIG. 12 is an enlarged view of FIG. 11 after deformation at C;

fig. 13 is a schematic sectional view of a main view of a showerhead according to an embodiment of the present application.

Reference numerals: 1. a nozzle base; 11. a table-board of the seat body; 12. a first arm body; 121. a first arm cavity; 122. a first defining surface; 123. an arm body abutting surface; 13. a second arm body; 131. a second arm cavity; 132. a second defining surface; 133. an adjustment member; 2. a plug; 21. a containing groove; 3. a fastener; 31. a movable body; 32. a rolling member; 33. a fastening space; 4. a trigger base; 41. a substrate; 42. a first support; 421. a first support surface; 43. a contact body; 431. an adapter hole; 432. a basal body abutting surface; 44. a second support; 441. a second support surface; 5. a temperature sensing member; 51. a temperature sensing body; 52. a first end portion; 53. a second end portion; 6. a splash pan; 61. the tray body is connected with the block.

Detailed Description

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The application provides a spray head, a temperature sensing piece 5 is transversely arranged as a means for shortening the length size of the spray head, and a trigger seat 4 matched with the spray head is designed based on the means; specifically, the trigger seat 4 includes a base 41, a support and an abutting body 43, the temperature sensing element 5 and the abutting body 43 constitute a trigger assembly, the temperature sensing element 5 abuts against the abutting body 43 at a specific position, and a fixed position of the abutting body 43 is used to share a lateral acting force borne by a part of the support, so that the position of the trigger seat 4 is stable as a whole, and the fastener 3 is ensured to stably abut against the plug 2; the technical problem that the size of the spray head is longer in the prior art is solved; the technical effect of shortening the size of the spray head is achieved.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

A spray head substantially as hereinbefore described with reference to figures 1 to 3, 5 and 9 of the accompanying drawings; the shower nozzle includes: the spray nozzle comprises a spray nozzle seat 1, a plug 2, a trigger seat 4, a fastener 3 and a temperature sensing element 5; the temperature sensing element 5 is combined with the nozzle seat 1 to limit the position of the trigger seat 4, and the fixing element 3 is movably arranged on the trigger seat 4 to reliably abut against the plug 2, so that the purpose that the plug 2 seals the water outlet channel is achieved.

The nozzle seat 1, the nozzle seat 1 includes the mesa 11 of the base and arm body; a water outlet channel is arranged on the table-board 11 of the seat body; the arm body is arranged on the seat body table surface 11; and the arm body comprises a first arm body 12 and a second arm body 13, and the first arm body 12 and the second arm body 13 form an accommodating space for accommodating the trigger seat 4.

With respect to the defined relationship between the arm body and the support body, a portion of the arm body is recessed to form an arm cavity; the supporting body is abutted in the arm cavity of the arm body; specifically, the first arm 12 is provided with a first arm cavity 121 on the inner side, the second arm 13 is provided with a second arm cavity 131 on the inner side, and the first arm cavity 121 and the second arm cavity 131 are arranged oppositely.

The adjusting piece 133 is movably arranged on the first arm body 12 or the second arm body 13, so that the distance between the first arm body 12 and the second arm body 13 is adjustable, and the adjusting piece 133 is referred to in the specification and the attached figures 2 and 8. In one embodiment, the adjustment member 133 is embodied as a screw, and the adjustment member 133 is threadedly coupled to the first arm 12. It should be noted that the adjusting member 133 abuts against the first end of the trigger assembly, and causes the second end of the trigger assembly to abut against the arm; the position of the trigger block 4 relative to the arm is defined by the defined position of the trigger assembly.

The plug 2 and the plug 2 are in the prior art, and the plug 2 can be provided with a sealing gasket for abutting against a water outlet channel of the table-board 11 of the sealing seat body. It should be noted that a rolling member 32 is disposed between the plug 2 and the trigger seat 4, so as to enable the trigger seat 4 to smoothly move transversely with respect to the plug 2. In one embodiment, the upper end surface of the plug 2 is provided with a concave receiving groove 21, and the receiving groove 21 receives the rolling members 32, so that the rolling members 32 can be conveniently installed during assembly, and the movement range of the rolling members 32 can be conveniently limited. In addition, the plug 2 is externally connected with a splash pan 6, and the connection mode can be based on the tabling of a pan body connecting block 61.

The trigger 4, referred to in the description with reference to figures 3 to 10, is intended to define the position of the stopper 2. The trigger seat 4 is located in the accommodating space, and the trigger seat 4 includes a base 41, a contact body 43 and a support body. The base body 41 is used for being matched with the plug 2, the supporting body is used for being matched with the arm body, and the abutting body 43 is matched with the temperature sensing piece 5, so that the function that the trigger seat 4 limits the plug 2 based on the control of the temperature sensing piece 5 is realized in sequence.

Regarding the force transmission direction of the trigger seat 4, it is important to point out that the force application direction from the plug 2 to the fastener 3 is the first direction; the force application direction of the support body to the arm body is a second direction, and the support body is provided with one or more support bodies so as to form one or more second directions, wherein at least one second direction and the first direction are staggered, so that the triggering seat 4 has a tendency of being turned over relative to the arm body.

The second direction may be a direction which is offset from the first direction, and the support body may be inclined with respect to the support surface of the arm, and the second direction from the support body to the arm may be offset from the first direction by the inclined support surface. Preferably, the support surface is inclined towards the centre of the receiving space from the lower end of the support body to the upper end of the support body, so that the support body on that side can be quickly turned inside out when the temperature sensing element 5 is activated.

The base body 41, the base body 41 is positioned above the plug 2; a fastener 3 is adjustably arranged on the base body 41, and the bottom of the fastener 3 is abutted against the plug 2. Preferably, the fastening member 3 is connected to the middle of the base 41, and the interference body 43 and the supporting body are disposed at both sides of the base 41.

The contact body 43, referred to in the description of fig. 6 and 10, is adapted to cooperate with the temperature sensing element 5 to share a portion of the force, so that the position of the trigger seat 4 is defined. The contact body 43 is connected to the base body 41. It should be noted that, a part of the abutting body 43 is located above the supporting body, and the part of the abutting body 43 and the temperature sensing element 5 are combined and limited in the accommodating space; so as to raise the height of the temperature sensing element 5 relative to the base 41 so as to leave a fastening space 33 between the temperature sensing element 5 and the base 41 which is sufficient for a wrench to penetrate and act on the fastening member 3.

The support body is connected with the base body 41 or the abutting body 43 and abuts against the arm body; the trigger seat 4 is defined in the accommodation space by the support body and the fastener 3. The support body and the arm body can be in surface contact, and refer to specifications 2, 6 and 11; or line contact, as described in reference to figures 10-12 of the drawings.

In one embodiment, two supports are provided, including a first support 42 and a second support 44, the first support 42 and the second support 44 are respectively provided at two sides of the base 41; the direction of the force applied from the first support 42 to the arm forms a second direction that is the same as the first direction; the direction of the force applied from the second support 44 to the arm forms a second direction offset from the first direction.

In addition, referring to fig. 3 of the specification, the form of the first support 42 is designed; specifically, the first supporting body 42 is abutted against the arm body by the first supporting surface 421, and the first supporting surface 421 is specifically a circular arc surface or a plane with a circular arc angle, so that the first supporting body 42 is rotatable relative to the arm body by the first supporting surface 421.

In another embodiment, the second supporting body 44 and the interference body 43 are arranged on one side of the base body 41, and the horizontal component force applied to the second supporting body 44 by the interference body 43 is counteracted, so that the second supporting body 44 with the possibility of overturning is limited based on the interference body 43 with limited position.

Referring to the attached figure 1 of the specification, the temperature sensing element 5 is a temperature sensing glass ball, the temperature sensing element 5 is transversely arranged, one end of the temperature sensing element 5 is in contact with the contact body 43, and the temperature sensing element 5 and the contact body 43 are combined to form a trigger assembly.

For the specific description of the trigger assembly, referring to the specifications 5, 8 and 9, the contact body 43 and the temperature sensing element 5 are combined left and right, and the contact body 43 is provided with an adapting hole 431 relative to the temperature sensing element 5; wherein, one end of the temperature sensing element 5 is positioned in the adapting hole 431, and the temperature sensing element 5 is attached to the hole wall of the adapting hole 431 or the surface of the trigger body; the second end of the temperature sensing element 5 faces the arm. Preferably, the first end 52 of the temperature sensing element 5 corresponds to the fitting hole 431, and the second end 53 of the temperature sensing element 5 corresponds to the adjusting element 133, so that the temperature sensing element 5 is stably pushed by the pushing force.

The fastener 3, referred to in the description of figures 2, 7 and 13, is used to adjust the spacing between the trigger 4 and the plug 2. The fastener 3 comprises a movable body 31 and a rolling element 32, wherein the movable body 31 is adjustably connected to the base body 41, so that the trigger seat 4 can be powerfully supported in an arm cavity of the arm body; and the rolling member 32 is located between the movable body 31 and the stopper 2. On the other hand, through setting up rolling member 32, can be so that this device when triggering, trigger seat 4 can be nimble overturn, avoid trigger seat 4 upset in-process, the friction between fastener 3 and end cap 2.

It should be noted that the movable body 31 and the rolling element 32 may be combined to form an integral fastening element 3, and the rolling element makes the lower end of the fastening element 3 an arc surface, and the arc surface is smooth, so that the trigger seat 4 may move smoothly. For example, a ball is welded to the movable body 31 so that the lower end of the fastening member 3 is a circular arc surface; or a smooth arc surface can be formed by trimming the lower end of the movable body 31; of course, the movable body 31 having the arc-shaped lower end can be directly produced.

In one embodiment, the movable body 31 is embodied as an adjusting screw, and the connection orientation of the movable body 31 and the trigger seat 4 is a screw connection. The rolling elements 32 may be balls or balls arranged transversely.

The assembly mode is as follows:

firstly, placing the plug 2 on a water outlet channel of a base body table-board 11; placing the rolling member 32 on the plug 2;

the temperature sensing element 5 is placed on the trigger seat 4, the trigger seat 4 and the temperature sensing element 5 are placed into the arm cavity in an integrated mode, and the trigger seat 4 or the movable body 31 is utilized to preliminarily press the rolling element 32;

adjusting the position of an adjusting piece 133 on the arm body, and abutting the combined body of the temperature sensing piece 5 and the trigger seat 4 on the arm body by using the adjusting piece 133; in the whole adjusting process of the adjusting piece 133, the trigger seat 4 smoothly moves transversely by a small displacement amount based on the rolling body, so that the change of the shape or position of the plug 2 relative to the water outlet channel is avoided, and the stable sealing effect of the plug 2 on the water outlet channel is ensured;

after the temperature sensing element 5 and the trigger seat 4 are stably limited, the position of the movable body 31 in the fastening element 3 is adjusted, and the rolling element 32 is stably and firmly pressed against the plug 2 by the movable body 31.

The working principle is as follows:

the spray head is arranged on the pipeline and is used for spraying hot gas or flame when meeting high-temperature hot gas or flame;

the temperature sensing element 5 is triggered to burst, so that the contact body 43 loses support, and the stress of the whole trigger seat 4 is unbalanced;

based on the acting force of the water pressure in the pipeline on the plug 2, the trigger seat 4 is reversely subjected to a thrust force, so that the second support body 44 originally matched with the abutting body 43 is firstly turned over, and the turning direction of the second support body is towards the outer side of the accommodating space formed by the arm bodies; based on the turned second supporting body 44, the movable body 31 and the first supporting body 42 also slide and turn, and finally the expected effect that the whole trigger seat 4 turns out of the accommodating space is achieved;

in the process that the trigger seat 4 is gradually turned outwards, the plug 2 is gradually separated from the port of the water outlet channel; after the trigger seat 4 is turned outwards and separated, the plug 2 also falls off, the water outlet channel is thoroughly opened, and the spray head starts to work.

The technical effects are as follows:

1. in the embodiment of the application, the temperature sensing piece is transversely arranged as a means for shortening the length size of the spray head, and the trigger seat matched with the temperature sensing piece is designed based on the means; specifically, the trigger seat comprises a base body, a support body and a butting body, wherein the temperature sensing piece and the butting body form a trigger assembly, the butting body is butted at a specific position by the temperature sensing piece, and a part of transverse acting force borne by the support body is shared based on the fixed position of the butting body, so that the position of the whole trigger seat is stable, and a fastener can be guaranteed to be stably butted on the plug; the technical problem that the size of the spray head is longer in the prior art is solved; the technical effect of shortening the size of the spray head is achieved.

2. In the embodiment of the application, in order to ensure that the trigger assembly can bear large water pressure and ensure the sensitivity of triggering the spray head, the left and right supporting bodies are arranged firstly, and the acting force of the pipeline acting on the plug is divided into two parts; secondly, optimizing a supporting surface of at least one supporting column relative to the arm body, specifically, if the supporting surface is optimized to be inclined, constructing a second direction staggered with the first direction by utilizing the inclined supporting surface so as to disperse the divided acting force, only a small part of the acting force is dispersed on the temperature sensing piece, and the rest of the acting force is borne by the supporting body and the arm body; the shower nozzle can bear big water pressure, if bear 35 kilograms of water pressure, guarantees simultaneously that the shower nozzle still can the sensitive trigger.

3. In this embodiment, the first supporting surface on the first supporting body is set as an arc surface or a plane with an arc angle, and the second supporting surface on the second supporting body is set as an inclined surface; so that after the temperature sensing piece is triggered, the second supporting body can be quickly turned outwards under the action of water pressure in the pipeline, and meanwhile, the first supporting body can rotate along with the turned-out second supporting body, so that the aim that the trigger seat is turned over and separated from the fastener is fulfilled.

4. In the embodiment of the application, the fastener comprises a movable body and a rolling piece; the whole height of the trigger seat can be increased by utilizing the phase change of the movable body movably arranged on the base body, and the purpose that the plug is stably acted on the water outlet channel is achieved. Meanwhile, the rolling piece is arranged between the movable body and the plug, so that the trigger seat can smoothly move transversely along with the adjustment of the adjusting piece when the device is assembled; and secondly, when the trigger seat is outwards turned, the friction interference between the movable body and the plug is avoided.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention 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 of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.