阅读说明：本技术 一种消防喷头密封组件 (Fire control shower nozzle seal assembly ) 是由 王德凤 李云 陈茂曦 舒贞贞 于 2021-08-03 设计创作，主要内容包括：本发明涉及消防设备技术领域,具体涉及一种消防喷头密封组件,包括用于与喷头连接的连接座,所述连接座设有用于连通喷头的通水孔,所述连接座上还设有用于密封所述通水孔的密封座,所述密封座抵接连接有热敏元件,所述热敏元件与所述密封座之间设有弹性件。由于在热敏元件与密封座之间设置了弹性件,使得密封座、热敏元件等密封组件发生弹性和塑性变形时,弹性件能通过自身的弹性对密封组件的变形进行补偿,从而确保密封组件的密封性能。(The invention relates to the technical field of fire fighting equipment, in particular to a fire fighting nozzle sealing assembly which comprises a connecting seat connected with a nozzle, wherein the connecting seat is provided with a water through hole used for communicating the nozzle, a sealing seat used for sealing the water through hole is further arranged on the connecting seat, the sealing seat is connected with a thermosensitive element in an abutting mode, and an elastic piece is arranged between the thermosensitive element and the sealing seat. Because the elastic piece is arranged between the thermosensitive element and the sealing seat, when the sealing components such as the sealing seat and the thermosensitive element are elastically and plastically deformed, the elastic piece can compensate the deformation of the sealing components through the elasticity of the elastic piece, and the sealing performance of the sealing components is ensured.)

1. The utility model provides a fire control shower nozzle seal assembly, its characterized in that, including being used for connecting seat (1) be connected with the shower nozzle, connecting seat (1) is equipped with limbers (11) that are used for communicateing the shower nozzle, still be equipped with on connecting seat (1) and be used for sealing seal receptacle (2) of limbers (11), seal receptacle (2) butt is connected with heat-sensitive element (3), heat-sensitive element (3) with be equipped with elastic component (4) between seal receptacle (2).

2. Fire sprinkler head sealing assembly according to claim 1, characterized in that a mounting ring (5) is provided on the connecting seat (1), the heat sensitive element (3) being arranged between the sealing seat (2) and the mounting ring (5).

3. Fire sprinkler head seal assembly according to claim 2, characterized in that the mounting ring (5) is provided with an adjustment member able to push the heat sensitive element (3) towards the sealing seat (2).

4. A fire sprinkler head seal assembly according to claim 3, characterized in that the adjustment member comprises a screw (6), a threaded hole (51) is provided on the mounting ring (5), the screw (6) is adapted to the threaded hole (51), and the heat sensitive element (3) abuts on one end of the screw (51).

5. A fire sprinkler head seal assembly according to claim 1, characterized in that one end of the water passage hole (11) is provided with a mounting slot (12), and the seal holder (2) is arranged in the mounting slot (12).

6. A fire sprinkler head seal assembly according to claim 5, characterised in that a sealing diaphragm (8) is provided in the mounting slot (12), the sealing seat (2) being in abutting connection with the sealing diaphragm (8).

7. Fire sprinkler head sealing assembly according to claim 1, characterized in that a support seat (7) is provided between the resilient member (4) and the heat sensitive element (3).

8. A fire sprinkler head seal assembly according to claim 7, characterized in that a limit slot (21) is provided at one end of the seal seat (2), the support seat (7) is nested with the limit slot (21), and the elastic element (4) is provided between the support seat and the limit slot (21).

9. A fire sprinkler head sealing assembly according to claim 8, characterized in that a groove (211) is provided in the limiting clamping groove (21), and a projection (71) adapted to the shape of the groove (211) is provided at the upper end of the supporting seat (7).

10. Fire sprinkler head sealing assembly according to claim 7, characterized in that the support seat (7) is provided with a guide groove (72) at its lower end, the heat sensitive element (3) being nested in the guide groove (72).

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a fire fighting nozzle sealing assembly.

Background

The fire control shower nozzle cooperates shower nozzle support body and seal assembly to use usually, and seal assembly includes seal receptacle and heat-sensitive element, is equipped with the limbers that feeds through the fire control shower nozzle on the shower nozzle support body, and the seal receptacle setting is in the limbers upper end, supports to push away the seal receptacle by heat-sensitive element on the shower nozzle support body and seals the limbers. When a fire breaks out, the thermosensitive element is unbalanced due to high-temperature action, and the sealing seat loses the support of the thermosensitive element and is flushed away from the water through hole under the action of fire extinguishing media such as water pressure and the like, so that water and other fire extinguishing agents in the fire-fighting nozzle are discharged from the water through hole in the frame body, and fire extinguishment is realized.

However, the heat-sensitive element and the sealing seat are rigidly connected, and when the pressure of the fire extinguishing agent fluctuates or the use environmental conditions change, components such as the nozzle holder body, the sealing seat, the heat-sensitive element and the like elastically and plastically deform, so that the sealing between the sealing seat and the water through hole is not tight, and the fire extinguishing agent leaks.

Therefore, a technical scheme is needed at present to solve the technical problem that when the pressure of the fire extinguishing agent fluctuates or the environmental conditions change, the sealing assembly of the fire-fighting nozzle is easy to generate elastic and plastic deformation, so that the sealing assembly fails to seal the nozzle.

Disclosure of Invention

The invention aims to: the sealing assembly for the fire-fighting nozzle is provided, aiming at the technical problem that the sealing assembly of the fire-fighting nozzle is easy to generate elastic and plastic deformation when the pressure of fire extinguishing agent fluctuates or the environmental condition changes in the prior art, so that the sealing assembly fails to seal the nozzle.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a fire control shower nozzle seal assembly, is including being used for the connecting seat of being connected with the shower nozzle, the connecting seat is equipped with the limbers that is used for communicateing the shower nozzle, still be equipped with on the connecting seat and be used for sealing the seal receptacle of limbers, the seal receptacle butt is connected with heat-sensitive element, heat-sensitive element with be equipped with the elastic component between the seal receptacle.

According to the fire-fighting nozzle sealing assembly, when a fire disaster occurs, the thermosensitive element is melted or broken and unbalanced due to high-temperature action, so that the upper part of the sealing seat loses support, and the sealing seat is separated from the connecting seat under the action of the pressure of a fire extinguishing agent, so that the fire extinguishing agent is discharged through the water through hole to extinguish the fire;

furthermore, because the elastic piece is arranged between the thermosensitive element and the sealing seat, when the sealing components such as the sealing seat and the thermosensitive element are elastically and plastically deformed, the elastic piece can compensate the deformation of the sealing components through the elasticity of the elastic piece, and the sealing performance of the sealing components is ensured.

As a preferable scheme of the invention, the connecting seat is provided with a mounting ring, and the thermosensitive element is arranged between the sealing seat and the inner wall of the mounting ring. The installation of the thermosensitive element at the upper end of the connecting seat is realized, the sealing seat can seal the upper end of the water through hole under the pushing action of the thermosensitive element, and therefore when the thermosensitive element is heated, the sealing seat can be separated from the connecting seat due to the loss of the support of the thermosensitive element, and the fire extinguishing agent can be discharged through the water through hole.

In a preferred embodiment of the present invention, the mounting ring is provided with an adjustment member capable of pushing the heat sensitive element to move toward the seal seat. Guarantee to produce effectual sealed stress between seal receptacle and the connecting seat through compression elastic component, after reaching the assembly load of design, adjusting part will fix no longer removes, when extinguishing agent pressure fluctuation or environmental condition change, the elastic component can compensate the elasticity and the plastic deformation of structural component through the deflection of self to control the sealed stress between seal receptacle and the connecting seat in the within range of designing requirement, make the seal receptacle better to the sealed effect of limbers.

In a preferred embodiment of the present invention, the adjusting member includes a screw, the mounting ring is provided with a threaded hole, the screw is fitted into the threaded hole, and the thermosensitive element abuts against one end of the screw. The screw can support and push the thermosensitive element above the threaded hole in the ascending process of the threaded hole, so that the compression amount of the elastic part can be adjusted.

As a preferable scheme of the present invention, one end of the water passage hole is provided with an installation clamping groove, and the sealing seat is arranged in the installation clamping groove. The mounting clamping groove plays a limiting role in the sealing seat, the sealing seat is prevented from shifting during sealing, and the sealing effect is better.

As a preferable scheme of the present invention, a sealing membrane is disposed in the mounting slot, and the sealing seat is connected to the sealing membrane in an abutting manner. The sealing performance of the sealing seat to the limber hole is enhanced, and the risk of fire extinguishing agent leakage is reduced.

In a preferred embodiment of the present invention, a support base is provided between the elastic member and the thermosensitive element. The supporting seat can position and protect the thermosensitive element, and meanwhile, the stability of the structure is guaranteed when the elastic piece acts.

As a preferable scheme of the invention, one end of the sealing seat is provided with a limiting clamping groove, the supporting seat is connected with the limiting clamping groove in a nested manner, and the elastic element is arranged between the supporting seat and the limiting clamping groove. The elastic piece is limited in the limiting clamping groove, and the position slippage of the elastic piece during compression is reduced.

As a preferable scheme of the invention, a groove is arranged in the limiting clamping groove, and a convex block matched with the groove in shape is arranged at the upper end of the supporting seat. Make the supporting seat install more stably in spacing draw-in groove, reduce the position that the supporting seat takes place under the circumstances of receiving the pressure and slide.

In a preferred embodiment of the present invention, the lower end of the support base is provided with a guide groove, and the thermosensitive element is nested and connected with the guide groove. The supporting seat and the thermosensitive element are more stably matched, and the position slippage of the thermosensitive element at the upper end of the supporting seat in the process that the thermosensitive element is propped against and pushed against the supporting seat is reduced.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

because the elastic piece is arranged between the thermosensitive element and the sealing seat, when the sealing components such as the sealing seat and the thermosensitive element are elastically and plastically deformed, the elastic piece can compensate the deformation of the sealing components through the elasticity of the elastic piece, and the sealing performance of the sealing components is ensured.

Drawings

FIG. 1 is a schematic structural view of a fire sprinkler head seal assembly of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

the labels in the figure are: 1-connecting seat, 11-water through hole, 2-sealing seat, 21-limiting clamping groove, 211-groove, 3-thermosensitive element, 4-elastic element, 5-mounting ring, 51-threaded hole, 6-screw, 61-mounting hole, 7-supporting seat, 71-lug, 72-guide groove and 8-sealing diaphragm.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1 and 2, the fire nozzle sealing assembly of the present embodiment includes a connecting seat 1 for connecting with a nozzle, the connecting seat 1 is provided with a water through hole 11 for communicating with the nozzle, the connecting seat 1 is further provided with a sealing seat 2 for sealing the water through hole 11, the sealing seat 2 is connected with a thermosensitive element 3 in an abutting manner, and an elastic member 4 is arranged between the thermosensitive element 3 and the sealing seat 2.

The thermosensitive element 3 can be made of temperature sensing glass balls, fusible alloy and the like, and the elastic element 4 is of an annular structure and can be made of butterfly-shaped metal elastic pads, film-coated butterfly-shaped metal elastic pads, plastic O-shaped rings, rubber O-shaped rings, springs and the like.

Specifically, be equipped with collar 5 on the connecting seat 1, heat sensitive element 3 sets up seal receptacle 2 with between the 5 inner walls of collar, realized heat sensitive element 3 in the installation of connecting seat 1 upper end, make seal receptacle 2 can seal 11 upper ends of limbers under heat sensitive element 3's the effect of supporting, thereby when heat sensitive element 3 is heated the action and is unbalanced, seal receptacle 2 can break away from connecting seat 1 because of losing heat sensitive element 3's support, make the fire extinguishing agent discharge through limbers 11, be equipped with diversion disc 9 in collar 5 upper end, flow out back process diversion disc 9 separation from limbers 11 when the fire extinguishing agent, make the fire extinguishing agent can be to being the diffusion type around and spray, finally realize the mesh of putting out a fire according to the water distribution performance of designing requirement.

The connecting seat 1 is connected with a fire-fighting nozzle on the ceiling of a building, when a fire disaster occurs, the thermosensitive element 3 is heated to act, so that the upper part of the sealing seat 2 loses support, and the sealing seat 2 is separated from the connecting seat 1 under the action of the pressure of the fire extinguishing agent, so that the fire extinguishing agent is discharged through the water through hole 11 to extinguish the fire;

under the condition that a fire disaster does not occur, because the elastic piece 4 is arranged between the thermosensitive element 3 and the sealing seat 2, when the sealing components such as the sealing seat 2 and the thermosensitive element 3 are elastically and plastically deformed, the elastic piece 4 can compensate the deformation of the sealing components through the elasticity of the elastic piece 4, and therefore the sealing performance of the sealing components is ensured.

Furthermore, an installation clamping groove 12 is formed in one end of the water through hole 11, the sealing seat 2 is arranged in the installation clamping groove 12, the installation clamping groove 12 plays a limiting role in the sealing seat 2, the sealing seat 2 is prevented from being shifted in position during sealing, and the sealing effect is better; furthermore, a sealing membrane 8 is arranged in the mounting clamping groove 12, the sealing seat 2 is connected with the sealing membrane 8 in an abutting mode, the sealing performance of the sealing seat 2 to the water through hole 11 is enhanced, the risk of leakage of the fire extinguishing agent is reduced, and the sealing membrane 8 is of an annular structure and can be made of copper alloy, stainless steel, synthetic resin and the like.

Example 2

As shown in fig. 1, the difference between this embodiment and embodiment 1 is that the mounting ring 5 is provided with an adjusting member, the adjusting member can push the heat-sensitive element 3 to move towards the sealing seat 2, effective sealing stress generated between the sealing seat 2 and the connecting seat 1 is ensured by compressing the elastic member 4, after a designed assembly load is reached, the adjusting member is fixed and does not move any more, when the pressure of the fire extinguishing agent fluctuates or the environmental conditions change, the elastic member 4 can compensate the elastic and plastic deformation of the structural components by the deformation amount of the elastic member 4, so as to control the sealing stress between the sealing seat 3 and the connecting seat 1 within the range of the design requirement, and the sealing effect of the sealing seat 2 on the water through hole 11 is better;

further, the elastic member 4 may cause its elasticity to weaken or even lose its elasticity under the condition of being compressed for a long time, in which case the elastic member 4 cannot effectively compensate the plastic deformation of the sealing assembly, and the adjusting member pushes the heat sensitive element 3 to move upwards, so as to change the compression amount of the elastic member 4 between the heat sensitive element 3 and the sealing seat 2, and restore the elasticity of the elastic member 4, and when the sealing assembly is plastically deformed, the elastic member 4 can compensate the sealing assembly through its own elasticity.

Specifically, the adjusting member includes a screw 6, a threaded hole 51 is formed in the mounting ring 5, the screw 6 is adapted to the threaded hole 51, the heat-sensitive element 3 abuts against one end of the screw 51, and the screw 6 can push the heat-sensitive element 3 above the threaded hole 51 in the upward process of the threaded hole 51, so that the compression amount of the elastic element 4 can be adjusted.

Furthermore, the upper end face of the screw 6 is provided with a mounting hole 61, the mounting hole 61 is a hexagon socket or a slotted connector, and the screw 6 can be conveniently rotated by inserting a handle.

Example 3

As shown in fig. 1 and 2, the present embodiment is different from embodiment 1 in that a support 7 is provided between the elastic member 4 and the thermosensitive element 3, and the support 7 can position and protect the thermosensitive element 3 while ensuring the structural stability when the elastic member 4 is actuated.

Furthermore, a limiting clamping groove 21 is formed in one end of the sealing seat 2, the supporting seat 7 is connected with the limiting clamping groove 21 in an embedded mode, the elastic piece 4 is arranged between the supporting seat and the limiting clamping groove 21, the elastic piece 4 is limited in the limiting clamping groove 21, and position slippage of the elastic piece 4 when the elastic piece is compressed is reduced.

Further, be equipped with recess 211 in the spacing draw-in groove 21, the supporting seat 7 upper end be equipped with the lug 71 of recess 21 shape adaptation makes supporting seat 7 install more stably in spacing draw-in groove 21, reduces the position that supporting seat 7 takes place under the circumstances of receiving the pressure and slides.

Furthermore, the lower end of the support seat 7 is provided with a guide groove 72, and the thermosensitive element 3 is connected with the guide groove 72 in a nested manner, so that the support seat 7 and the thermosensitive element 3 are more stably matched, and the position slippage of the thermosensitive element 3 at the upper end of the support seat 7 is reduced in the process that the thermosensitive element 3 is abutted against and pushed against the support seat 7.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.