CN213912080U

CN213912080U - Combined sealing seat, sealing assembly and fire-fighting nozzle

Info

Publication number: CN213912080U
Application number: CN202022173193.4U
Authority: CN
Inventors: 蒋海平
Original assignee: Zhuji Haiwang Fire Equipment Co ltd
Current assignee: Zhuji Haiwang Fire Equipment Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-10
Anticipated expiration: 2030-09-28

Abstract

The embodiment of the utility model provides a modular seal receptacle, seal assembly and fire control shower nozzle belongs to fire-fighting equipment technical field, modular seal receptacle includes: the upper end surface of the seat body is a seat body sealing surface, and a seat body hole is formed in the seat body sealing surface; the second sealing body is annular and is penetrated in the middle, and the second sealing body is arranged on the sealing surface of the seat body corresponding to the seat body hole; the upper part of the seat core is provided with an accommodating cavity which can accommodate the temperature sensing piece; the lower part of the seat core penetrates through the second sealing body and penetrates into the seat body hole; and the upper part of the seat core is provided with a seat core sealing surface; the seat core sealing surface is positioned above the second sealing body, and the seat core sealing surface is pressed on the second sealing body from top to bottom so that the seat body sealing surface and the seat core sealing surface are in a sealing state; the technical effect that no rubber ring is arranged in the sealing seat is achieved.

Description

Combined sealing seat, sealing assembly and fire-fighting nozzle

Technical Field

The utility model relates to a fire-fighting equipment technical field especially relates to a modular seal receptacle, seal assembly and fire control shower nozzle.

Background

Because the rubber ring has the problems of no temperature resistance and aging, the rubber sealing ring is not allowed to be reused in the new national standard of the fire-fighting nozzle. Based on this, when the applicant develops a fire sprinkler with a novel sealing structure, the fire sprinkler is expected to be pressed and sealed by adopting an anti-aging material.

The first generation of technical scheme has been provided earlier, the adoption is the combination formula seal receptacle, and selects the rubber circle as the inside seal part of seal receptacle, and whole technical scheme does not influence the normal use of fire control shower nozzle although satisfying national standard. However, the rubber ring is still used, and the problem of rubber ring aging still exists.

Therefore, the technical problems of the prior art are as follows: a rubber ring is present in the sealing seat.

Disclosure of Invention

The embodiment of the application provides a combined sealing seat, a sealing assembly and a fire-fighting nozzle, and solves the technical problem that a rubber ring exists in the sealing seat in the prior art; the technical effect that no rubber ring is arranged in the sealing seat is achieved.

The embodiment of the application provides a modular seal receptacle, seal assembly and fire control shower nozzle, modular seal receptacle includes: the upper end surface of the seat body is a seat body sealing surface, and a seat body hole is formed in the seat body sealing surface; the second sealing body is annular and is penetrated in the middle, and the second sealing body is arranged on the sealing surface of the seat body corresponding to the seat body hole; the upper part of the seat core is provided with an accommodating cavity which can accommodate the temperature sensing piece; the lower part of the seat core penetrates through the second sealing body and penetrates into the seat body hole; and the upper part of the seat core is provided with a seat core sealing surface; the seat core sealing surface is positioned above the second sealing body, and the seat core sealing surface is pressed on the second sealing body from top to bottom, so that the seat body sealing surface and the seat core sealing surface are in a sealing state.

Preferably, the lower end surface of the second sealing body is in surface contact with the sealing surface of the seat body; the upper end face of the second sealing body is in surface contact with the seat core sealing face, and the second sealing body is in a surface sealing state through the two surface contacts.

Preferably, the seat core sealing surface and the seat body sealing surface are both flat surfaces.

Preferably, the material of the second sealing body is a non-stick resin.

Preferably, the second sealing material is fluoroplastic.

Preferably, the seat body hole is a through hole.

Preferably, the seat core is in contact with an inner side surface of the second sealing body, and the seat core is in contact with an inner side surface of the seat hole, so that the position of the second sealing body is fixed by the seat core.

Preferably, the lower part of the seat core penetrates through the seat body hole, and a clamping groove is formed in the part, located below the seat body, of the seat core.

Preferably, the lower part of the seat core is in interference fit with the seat body hole.

Preferably, the base is a sheet body to have the ability of deformation and shrinkage.

Preferably, the base body is inclined downwards from the center outwards, and the base body has elastic deformation capacity, so that the base body deforms and contracts downwards after being pressed.

Preferably, the seal assembly comprises: a sealing seat; the seat body hole is a through hole, and the lower part of the seat core penetrates through the seat body hole; the first sealing body is positioned below the seat body, and the first sealing body is sleeved on the lower end of the seat core; and the limiting piece is positioned below the first sealing body and is connected and arranged at the lower end of the seat core, so that the first sealing body is fixed relative to the sealing seat.

A fire sprinkler, comprising: a nozzle base; the seat body is arranged corresponding to the spray head base; the temperature sensing piece is positioned above the sealing seat and abutted against the seat core of the sealing seat; one end of the fastening screw is connected with the spray head base, and the other end of the fastening screw is abutted against the temperature sensing piece; the first sealing body is arranged between the spray head base and the sealing seat, and the spray head base and the sealing seat are sealed through the first sealing body; the first sealing body and the spray head base or the sealing seat are in a closed line contact mode, so that the first sealing body is in a line sealing state.

Preferably, the first sealing body and the second sealing body are made of non-stick resin, and the total length of the outer contour of the pressed part of the first sealing body is greater than the total length of the outer contour of the pressed part of the second sealing body.

Preferably, the seat body hole is a through hole, the lower part of the seat core penetrates through the seat body hole, and the lower part of the seat core penetrates through the first sealing body; the lower part of the seat core is provided with a clamping groove, and the clamping groove is positioned below the first sealing body; and a limiting part is arranged at the clamping groove of the seat core, and the position of the first sealing body is limited through the limiting part.

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

1. in the embodiment of the application, the sealing seat is redesigned to be designed to be a combined form of the seat body and the seat core, so that the structure of the seat body and the seat core is simplified, and the production of the sealing seat is facilitated; in addition, the sealing between the seat body and the seat core is ensured by additionally arranging a second sealing body, two end surfaces of the second sealing body are respectively attached to a seat body sealing surface and a seat core sealing surface, and when the seat core is subjected to the pressure of the temperature sensing piece, the seat core is downwards further pressed with the second sealing body, so that the sealing between the seat core sealing surface and the seat body sealing surface is sealed; the technical problem that a rubber ring exists in a sealing seat in the prior art is solved; the technical effect that no rubber ring is arranged in the sealing seat is achieved.

2. In the embodiment of the present application, by selecting a material of the second sealing body, a non-stick resin, specifically, a non-stick resin such as fluoroplastic (e.g., PTFE, PFA, FEP, ETFE), is used. The sealing seat is durable, corrosion-resistant and high-temperature-resistant, and the inside of the sealing seat is ensured not to leak.

3. In the embodiment of the application, the inner side surfaces of the seat core and the second sealing body are in contact, and the inner side surfaces of the seat core and the seat body hole are in contact, so that the position of the second sealing body is fixed through the seat core. And the seat core and the seat body hole can be in interference fit, so that the position relationship is stable after the seat core and the seat body hole are matched.

4. In the embodiment of the application, the first sealing body and the second sealing body are made of non-stick resin materials, and have the same style, even the same thickness; the conventional design concept is to adopt the same sealing mode; however, after the thought of the applicant after working, two different sealing forms are designed for the first sealing body and the second sealing body, so that the sealing stability of the first sealing body and the sealing stability of the second sealing body are improved while the first sealing body and the second sealing body are sealed.

Drawings

FIG. 1 is a schematic exploded view of a combined seal housing in a section view from the front in an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of a main view of another seat body according to an embodiment of the present application;

FIG. 3 is a schematic exploded view in section from the front view of a combination seal holder and first seal body in an embodiment of the present application;

FIG. 4 is a schematic exploded view in elevation view of a combination seal housing and other components in an embodiment of the present application;

fig. 5 is a schematic main view structure of a fire sprinkler in an embodiment of the present application.

Reference numerals: 1. a sealing seat; 11. a base body; 111. a seat body sealing surface; 112. a seat body hole; 12. a seat core; 121. a seat core sealing surface; 122. a card slot; 123. an accommodating cavity; 13. a second sealing body; 2. a first sealing body; 3. a limiting member; 4. a temperature sensing member; 5. fastening screws; 6. a showerhead base.

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 embodiment of the application provides a combined type seal seat 1, and the seal seat 1 is redesigned and designed to be a combined form in which a seat body 11 and a seat core 12 are sleeved, so that the structures of the seat body 11 and the seat core 12 are simplified, and the production of the seal seat 1 is facilitated; in addition, the sealing between the seat body 11 and the seat core 12 is ensured by additionally arranging a second sealing body 13, two end surfaces of the second sealing body 13 are respectively attached to the seat body sealing surface 111 and the seat core sealing surface 121, and when the seat core 12 is pressed by the temperature sensing element 4, the seat core 12 is further pressed downwards to press the second sealing body 13, so that the seat core sealing surface 121 and the seat body sealing surface 111 are sealed; the technical problem that a rubber ring exists in the sealing seat 1 in the prior art is solved; the technical effect that no rubber ring is arranged in the sealing seat 1 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 fire sprinkler head, substantially as herein described with reference to figures 4 to 5 of the accompanying drawings; the fire control shower nozzle includes: the nozzle comprises a nozzle base 6, a sealing component, a temperature sensing piece 4 and a fastening screw 5; wherein, a sealing chamber is arranged on the nozzle base 6, and the seat body 11 of the sealing seat 1 is arranged corresponding to the sealing chamber of the nozzle base 6; the first sealing body 2 is positioned in the sealing cavity, the first sealing body 2 is arranged between the spray head base 6 and the seat body 11 of the sealing seat 1, and the spray head base 6 and the sealing seat 1 are sealed through the first sealing body 2; and the first sealing body 2 and the nozzle base 6 or the sealing seat 1 are in a closed line contact form, so that the first sealing body 2 is in a line sealing state. The temperature sensing element 4 is positioned above the sealing seat 1, and the temperature sensing element 4 is abutted against the seat core 12 of the sealing seat 1; one end of the fastening screw 5 is connected with the nozzle base 6, and the other end of the fastening screw 5 abuts against the temperature sensing member 4.

The seal assembly includes: seal receptacle 1, first seal 2 and locating part 3. Wherein, the seat body hole 112 is a through hole, and the lower part of the seat core 12 penetrates through the seat body hole 112; the first sealing body 2 is positioned below the seat body 11, and the first sealing body 2 is sleeved on the lower end of the seat core 12; the limiting member 3 is located below the first sealing body 2, and the limiting member 3 is connected to the lower end of the seat core 12, so that the first sealing body 2 is fixed relative to the sealing seat 1. It should be noted that, the lower portion of the seat core 12 is provided with a clamping groove 122, and the clamping groove 122 is located below the first sealing body 2; and the slot 122 of the seat core 12 is adapted to the position-limiting member 3, so that the position of the position-limiting member 3 on the seat core 12 is fixed and stable.

A seal housing 1, with reference to figures 1-3 of the specification; the sealing seat 1 is in a combined form so as to be convenient for processing and production. The sealing seat 1 comprises a seat body 11, a second sealing body 13 and a seat core 12; the seat core sealing surface 121 of the seat core 12 is located above the second sealing body 13, and the seat core sealing surface 121 is pressed on the second sealing body 13 from top to bottom, so that the seat body sealing surface 111 and the seat core sealing surface 121 are in a surface sealing state.

A base 11, see figures 1-2 of the specification; the upper end surface of the seat body 11 is a seat body sealing surface 111, preferably a plane, and the seat body sealing surface 111 is provided with a seat body hole 112. It should be noted that the seat body 11 is a thin plate to have a compression deformation capability, and after the fire sprinkler is assembled, the seat body 11 is in a compression contraction state. As shown in fig. 2 of the specification, the seat body 11 is inclined outward and downward in the center, and the seat body 11 has an elastic deformation capability, so that the seat body 11 deforms and contracts downward after being pressed. It is understood that the seat body hole 112 is preferably a through hole, so that the seat core 12 can pass through the seat body 11, and the lower portion of the seat core 12 can be clamped with the limiting member 3 to limit the position of the first sealing body 2.

A second seal 13, see FIGS. 1-2 of the specification; the non-stick resin material is, for example, a non-stick resin such as fluoroplastic (e.g., polytetrafluoroethylene PTFE, soluble polytetrafluoroethylene PFA, FEP, ETFE). The second sealing body 13 is a ring shape penetrating through the middle, and is specifically a flat sheet shape. And the second sealing body 13 is provided on the seat sealing surface 111 corresponding to the seat hole 112. The upper end surface of the second sealing body 13 is in surface contact with the seat core sealing surface 121, and the lower end surface of the second sealing body 13 is in surface contact with the seat body sealing surface 111; the second sealing body 13 is brought into a face-sealing state by both face contacts.

A seat core 12, see fig. 1-3 of the specification; the upper part of the seat core 12 is provided with an accommodating cavity 123 which can accommodate the temperature sensing element 4; the lower part of the seat core 12 penetrates through the second sealing body 13 and penetrates into the seat body hole 112; the seat core 12 contacts with the inner side surface of the second sealing body 13, and the seat core 12 contacts with the inner side surface of the seat body hole 112, so that the position of the second sealing body 13 is fixed by the seat core 12. And the upper portion of the seat core 12 is provided with a seat core sealing surface 121, the seat core sealing surface 121 faces downward corresponding to the second sealing body 13, the seat core sealing surface 121 is preferably a plane, and the seat core sealing surface 121 and the seat body sealing surface 111 are parallel. The lower portion of the seat core 12 penetrates through the seat hole 112, and a locking groove 122 is disposed on a portion of the seat core 12 below the seat 11. In one embodiment, the lower portion of the core 12 is interference fit with the housing hole 112 to facilitate a stable fit between the core 12 and the housing 11.

A first sealing body 2, see fig. 2-3 of the specification; the first sealing member 2 and the second sealing member 13 are made of a non-stick resin material, such as a non-stick resin, for example, fluoroplastic (e.g., PTFE, PFA, FEP, ETFE). However, the first sealing body 2 and the second sealing body 13 are different in sealing form, and the first sealing body 2 is in a line sealing form while the second sealing body 13 is in a surface sealing form. Specifically, after the thought of the applicant after work, if the first sealing body 2 and the second sealing body 13 are both sealed by a line, since the total length of the outer contour of the pressed portion of the first sealing body 2 is greater than the total length of the outer contour of the pressed portion of the second sealing body 13, under the same pressure, the pressure at the position of the second sealing body 13 is too large, and the second sealing body 13 is scratched, which adversely affects the sealing effect. It should be noted that, the thicknesses of the first sealing body 2 and the second sealing body 13 are preferably 0.08-0.1 mm, and the thinner the first sealing body 2 and the second sealing body 13 are, the smaller the deformation amount of the first sealing body 2 and the second sealing body 13 is, the maximum deformation amount of the sealing bodies is controlled, so as to ensure that the base body 11 which can be deformed under pressure has the capability of compensating the deformation amount of the first sealing body 2 and the second sealing body 13, so that the deformation of the first sealing body 2 and the second sealing body 13 is more controllable, the compensation amount of the deformation amount required in the whole fire sprinkler is small, and the stable sealing effect is achieved.

The working principle is as follows:

the design is a combination form of sleeving the seat body 11 and the seat core 12, so that the structure of the seat body 11 and the seat core 12 is simplified, and the production of the sealing seat 1 is facilitated. And the material and the form of the second sealing body 13 and the sealing form of the second sealing body 13 are designed, so that the sealing seat 1 can stably work in an integral form for a long time, and the sealing failure of the internal connection part is avoided.

The technical effects are as follows:

4. In the embodiment of the application, the first sealing body and the second sealing body are made of non-stick resin materials, and have the same style, even the same thickness; the conventional design concept is to adopt the same sealing mode; however, after the thought of the applicant after working, two different sealing forms are designed for the first sealing body and the second sealing body, so that the first sealing body and the second sealing body can achieve sealing and improve the sealing stability of the first sealing body and the second sealing body at the same pressure.

While the 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. It is therefore intended that the appended claims be interpreted as including the preferred embodiment 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 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 and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A modular seal holder, characterized in that, modular seal holder includes:

the upper end surface of the seat body is a seat body sealing surface, and a seat body hole is formed in the seat body sealing surface;

the second sealing body is annular and is penetrated in the middle, and the second sealing body is arranged on the sealing surface of the seat body corresponding to the seat body hole; and

the upper part of the seat core is provided with an accommodating cavity which can accommodate the temperature sensing piece; the lower part of the seat core penetrates through the second sealing body and penetrates into the seat body hole; and the upper part of the seat core is provided with a seat core sealing surface;

the seat core sealing surface is positioned above the second sealing body, and the seat core sealing surface is pressed on the second sealing body from top to bottom, so that the seat body sealing surface and the seat core sealing surface are in a sealing state.

2. The composite seal carrier as claimed in claim 1, wherein the lower end surface of said second seal body is in surface contact with the seal surface of the carrier body; the upper end face of the second sealing body is in surface contact with the seat core sealing face, and the second sealing body is in a surface sealing state through the two surface contacts.

3. The combination seal holder according to claim 1, wherein the second seal body is made of a non-stick resin.

4. The combination seal holder according to claim 1, wherein the second seal is made of fluoroplastic.

5. The combination seal of claim 1, wherein the seat body is a plate body, so as to have the ability of deformation and shrinkage.

6. The combination seal of claim 1, wherein the seat body is inclined downward and outward, and the seat body has an elastic deformation capability, so that the seat body deforms and contracts downward when being pressed.

7. The unitized seal holder of claim 1, wherein said holder core is in contact with an inside surface of the second seal body, said holder core being in contact with an inside surface of the holder body bore to fix the position of the second seal body by the holder core.

8. A seal assembly, characterized in that the seal assembly comprises:

a seal housing according to any one of claims 1 to 7; the seat body hole is a through hole, and the lower part of the seat core penetrates through the seat body hole;

the first sealing body is positioned below the seat body, and the first sealing body is sleeved on the lower end of the seat core; and

the limiting piece is located below the first sealing body and is connected and arranged at the lower end of the seat core, so that the first sealing body is fixed relative to the sealing seat.

9. A fire sprinkler, comprising:

a nozzle base;

a seal assembly as recited in claim 8; the seat body of the sealing seat is arranged corresponding to the nozzle base;

the temperature sensing piece is positioned above the sealing seat and abutted against the seat core of the sealing seat; and

one end of the fastening screw is connected with the spray head base, and the other end of the fastening screw is abutted against the temperature sensing piece;

the first sealing body of the sealing assembly is attached to the spray head base, and the first sealing body is in a closed line contact mode with the spray head base or the sealing seat, so that the first sealing body is in a line sealing state.

10. The fire sprinkler of claim 9, wherein the first and second sealing bodies are made of non-stick resin material, and the total length of the outer contour of the first sealing body at the pressure receiving portion is greater than the total length of the outer contour of the second sealing body at the pressure receiving portion.