CN216361193U

CN216361193U - Connecting structure of fire-fighting pipe fitting

Info

Publication number: CN216361193U
Application number: CN202123159330.XU
Authority: CN
Inventors: 严正勋
Original assignee: Chengdu Chuanyue Fire Engineering Co ltd
Current assignee: Chengdu Chuanyue Fire Engineering Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-22
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to the technical field of water pipe connection, and discloses a connection structure of a fire-fighting pipe fitting, which comprises a first connection device and a second connection device, wherein an inner pipe is arranged in the middle of the first connection device, the outer surface of the inner pipe is fixedly connected with a connection block, an upper ring groove is arranged right above the connection block, a lower ring groove is arranged right below the connection block, a sealing block is fixedly connected to the side surface of the connection block, which is far away from the inner pipe, a reverse edge is arranged at the upper end of the sealing block, a reverse edge groove is arranged between the inner side surface of the reverse edge and the outer side surface of the sealing block, a sleeve is arranged at the lower end of the second connection device, and a fixed edge is fixedly connected to the outer surface of the upper end of the sleeve; through the tight nesting of the sealing fixture block and the lower ring groove and the tight fitting of the outer wall of the sealing block and the inner wall of the fixing edge, the sealing performance of the first connecting device and the second connecting device is realized, so that when the fire-fighting pipeline carries water, water stain is not easy to flow out, and the sealing effect is enhanced.

Description

Connecting structure of fire-fighting pipe fitting

Technical Field

The utility model relates to the technical field of water pipe connection, in particular to a connection structure of a fire-fighting pipe fitting.

Background

The fire fact tells people that the construction of fire-fighting engineering water pipes can effectively control the spread of fire when the fire happens, and plays a key role in saving people and work for rescuing, and the construction of the fire-fighting engineering water pipes relates to the rescue of personnel on the fire scene, the rescue of important facilities and equipment, cultural relics, the safety protection and rescue of important property, the extinguishment of the fire and the like, so that the damage degree caused by the fire is reduced, and the casualties and property loss are reduced.

The connection structure of current fire control pipe fitting is more complicated, and this also makes the staff owing to omit the operating procedure when carrying out the connection of pipeline, and the operation of irregularity leads to pipeline connection department leakproofness variation, and the leakproofness is poor probably to lead to having water stain outflow, influences the transport of fire-fighting water.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the sealing performance of the joint of the fire-fighting pipe fitting is poor, the connecting structure of the fire-fighting pipe fitting is provided.

The technical scheme adopted by the utility model is as follows: a connecting structure of a fire-fighting pipe fitting comprises a first connecting device and a second connecting device, wherein an inner pipe is arranged in the middle of the first connecting device, a connecting block is fixedly connected to the outer surface of the inner pipe, an upper ring groove is formed right above the connecting block, a lower ring groove is formed right below the connecting block, a sealing block is fixedly connected to the side, away from the inner pipe, of the connecting block, a reverse edge is arranged at the upper end of the sealing block, and a reverse edge groove is formed between the inner side surface of the reverse edge and the outer side surface of the sealing block;

the lower end of the second connecting device is provided with a sleeve, the outer surface of the upper end of the sleeve is fixedly connected with a fixed edge, the inner surface of the fixed edge is tightly attached to the outer surface of the sealing block, a sealing clamping block is arranged on the inner bottom surface of the fixed edge, the whole sealing clamping block is annular, and the sealing clamping block is tightly nested with the lower ring groove.

In a preferred embodiment, a reverse side hole is formed in a side surface of the reverse side, an inner fixing hole is formed in a side surface, close to the reverse side, of the sealing block, and an outer fixing hole is formed in a side surface of the upper end of the fixing side.

In a preferred embodiment, the number and size of the reverse side holes, the outer fixing holes and the inner fixing holes are the same.

In a preferred embodiment, the outer surface of the bottom end of the inner tube is sleeved with the inner wall of the sleeve.

In a preferred embodiment, the upper end of the fixed edge is nested in the reversed edge groove, and the side surface of the fixed edge is closely attached to the two side surfaces of the reversed edge and the sealing block, which are close to each other.

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

1. according to the utility model, the sealing performance of the first connecting device and the second connecting device is realized through the tight nesting of the sealing fixture block and the lower ring groove and the tight fitting of the outer wall of the sealing block and the inner wall of the fixing edge, so that water stains are not easy to flow out when a fire-fighting pipeline delivers water, and the sealing performance is improved.

2. According to the utility model, the reverse side groove is nested with the fixing side, the large bolt penetrates through the reverse side hole, the outer fixing hole and the inner fixing hole, and the nut is used for fixing one end of the large bolt which extends to the upper ring groove after penetrating through, so that the first connecting device and the second connecting device can be firmly fixed, and the stability of the fire fighting pipeline during water delivery is improved.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the present invention.

Fig. 2 is a sectional perspective view of a first connecting device of the present invention.

Fig. 3 is a perspective view of a first connector and a second connector of the present invention.

Description of reference numerals:

1. a first connecting device; 2. a second connecting device; 3. an inner tube; 4. connecting blocks; 5. a sealing block; 6. reverse edge; 7. a reverse side hole; 8. a ring groove is arranged on the upper part; 9. a ring groove is arranged below; 10. a reverse side groove; 11. fixing the edge; 12. sealing the clamping block; 13. an outer fixing hole; 14. a sleeve; 15. and an inner fixing hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A fire fighting pipe connection structure according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Example (b):

the embodiment of the application discloses connection structure of fire control pipe fitting. Referring to fig. 1 and 2, the fire-fighting water pipe comprises a first connecting device 1 and a second connecting device 2, an inner pipe 3 is arranged in the middle of the first connecting device 1, fire-fighting water can be conveyed inside the inner pipe 3, a connecting block 4 is fixedly connected to the outer surface of the inner pipe 3, the connecting block 4 surrounds the outer surface of the inner pipe 3 in an annular arrangement, a sealing block 5 is fixedly connected to the side surface of the connecting block 4 away from the inner pipe 3, the inner pipe 3 and the sealing block 5 can be connected through the connecting block 4, an upper ring groove 8 is arranged right above the connecting block 4, the upper ring groove 8 is formed by surrounding the outer surface of the inner pipe 3, the inner surface of the sealing block 5 and the upper surface of the connecting block 4, the upper ring groove 8 can facilitate a worker to fasten one end of a large bolt penetrating through by hand, and the first connecting device 1 and the second connecting device 2 can be firmly fixed through the large bolt and the nut, the stability of fire-fighting pipeline during water delivery has been improved.

Referring to fig. 1 and 3, a sleeve 14 is arranged at the lower end of the second connecting device 2, the outer surface of the bottom end of the inner pipe 3 is sleeved with the inner wall of the sleeve 14, so that water in a fire fighting pipeline can flow into the sleeve 14 from the inner part of the inner pipe 3, a fixed edge 11 is fixedly connected to the outer surface of the upper end of the sleeve 14, a reversed edge 6 is arranged at the upper end of the sealing block 5, a reversed edge groove 10 is arranged between the inner side surface of the reversed edge 6 and the outer side surface of the sealing block 5, the upper end of the fixed edge 11 is nested with the reversed edge groove 10, the side surface of the fixed edge 11 is tightly attached to the two side surfaces of the reversed edge 6 and the sealing block 5, the upper end of the fixed edge 11 can be perfectly embedded into the reversed edge groove 10, a reversed edge hole 7 is arranged on the side surface of the reversed edge 6, an inner fixing hole 15 is arranged on the side surface of the sealing block 5 close to the reversed edge 6, an outer fixing hole 13 is arranged on the upper end side surface of the fixed edge 11, the reversed edge hole 7, the number and the inner fixing hole 15 are the same as well as the size of the inner fixing hole 15, after the reverse side groove 10 and the fixing side 11 are nested, a large bolt can penetrate through the reverse side hole 7, the outer fixing hole 13 and the inner fixing hole 15, and then one end of the large bolt which extends to the upper ring groove 8 after penetrating through is fixed by a nut, so that the first connecting device 1 and the second connecting device 2 can be firmly fixed, and the stability of the fire fighting pipeline during water delivery is improved.

Referring to fig. 1 and 2, a lower ring groove 9 is arranged right below the connecting block 4, the lower ring groove 9 is formed by surrounding the outer surface of the inner pipe 3, the inner surface of the sealing block 5 and the lower surface of the connecting block 4, the lower ring groove 9 can be nested with a structure on the connecting device II 2, the inner surface of the fixing edge 11 is tightly attached to the outer surface of the sealing block 5, a sealing clamping block 12 is arranged on the inner bottom surface of the fixing edge 11, the sealing clamping block 12 is integrally annular, the sealing clamping block 12 is tightly embedded into the lower ring groove 9, through the tight nesting of the sealing clamping block 12 and the lower ring groove 9 and the tight attachment of the outer wall of the sealing block 5 and the inner wall of the fixing edge 11, the sealing performance of the connecting device I1 and the connecting device II 2 is realized, so that water stains are not easy to flow out when the fire-fighting pipeline is used for water delivery, and the sealing effect is enhanced.

The implementation principle of the connection structure of the fire-fighting pipe fitting in the embodiment of the application is as follows:

before carrying out fire hose water delivery, cup joint the inside at sleeve pipe 14 with the bottom of inner tube 3 earlier, then wrench movement is carried out to connecting device 1, make under put ring groove 9 can with sealed fixture block 12 perfect nestification, make the outer wall of sealed piece 5 can with the inseparable laminating of fixed limit 11 inner wall simultaneously, when carrying out the water delivery, the fire-fighting water can be fine inside the inside inflow sleeve pipe 14 from inner tube 3, through the whole leakproofness of realizing connecting device 1 and connecting device two 2, make when fire-fighting pipeline water delivery, difficult water stain outflow, strengthen sealed effect.

Then the reverse side groove 10 is nested with the upper end of the fixed side 11, after nesting, the reverse side hole 7, the outer fixed hole 13 and the inner fixed hole 15 are in one-to-one correspondence, and then one end of a large bolt which penetrates through the upper ring groove 8 and extends to the upper ring groove 8 is fixed by a nut, so that the first connecting device 1 and the second connecting device 2 can be firmly fixed, and the stability of the fire-fighting pipeline during water delivery is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a connection structure of fire control pipe fitting, includes connecting device (1) and connecting device two (2), its characterized in that: an inner pipe (3) is arranged in the middle of the first connecting device (1), a connecting block (4) is fixedly connected to the outer surface of the inner pipe (3), an upper ring placing groove (8) is formed right above the connecting block (4), a lower ring placing groove (9) is formed right below the connecting block (4), a sealing block (5) is fixedly connected to the side face, far away from the inner pipe (3), of the connecting block (4), a reverse edge (6) is arranged at the upper end of the sealing block (5), and a reverse edge groove (10) is formed between the inner side face of the reverse edge (6) and the outer side face of the sealing block (5);

the lower extreme of connecting device two (2) is provided with sleeve pipe (14), the upper end surface fixed connection of sleeve pipe (14) has fixed limit (11), the internal surface of fixed limit (11) with the surface of sealed piece (5) closely laminates, the inside bottom surface of fixed limit (11) is provided with sealed fixture block (12), sealed fixture block (12) wholly is cyclic annular, just sealed fixture block (12) with put ring groove (9) closely nestification down.

2. A fire fighting pipe connection structure as recited in claim 1, wherein: the side surface of the reverse side (6) is provided with a reverse side hole (7), the side surface of the sealing block (5) close to the reverse side (6) is provided with an inner fixing hole (15), and the side surface of the upper end of the fixing side (11) is provided with an outer fixing hole (13).

3. A fire fighting pipe connection structure as recited in claim 2, wherein: the number and the size of the reverse side holes (7), the outer fixing holes (13) and the inner fixing holes (15) are the same.

4. A fire fighting pipe connection structure as recited in claim 1, wherein: the outer surface of the bottom end of the inner pipe (3) is sleeved with the inner wall of the sleeve (14).

5. A fire fighting pipe connection structure as recited in claim 1, wherein: the upper end of the fixed edge (11) is nested with the reverse edge groove (10), and the side surface of the fixed edge (11) is tightly attached to the two side surfaces, close to the reverse edge (6) and the sealing block (5), of the reverse edge.