CN221243835U - Connecting joint for fire detection tube bottle head valve - Google Patents

Abstract

The utility model relates to the technical field of fire extinguishing equipment and discloses a connecting joint for a fire detection pipe head valve, which comprises a shell, wherein a connecting pipe is fixedly connected to the right side of the shell, a fire detection pipe is fixedly connected to the inside of the connecting pipe, an opening and closing assembly is fixedly connected to the upper end and the lower end of the fire detection pipe, a fixing block is fixedly connected to the upper end and the lower end of the left side of the fire detection pipe, a spring is arranged in the fixing block, a limiting plate is connected to the inside of the fixing block in a sliding manner, a connecting ball is fixedly connected to the outside of the limiting plate, a sliding groove is formed in the inside of the connecting pipe, and a clamping groove is formed in the inside of the connecting pipe. In the utility model, under the mutual matching of structures such as the connecting ball, the spring, the fixed block, the sliding groove, the clamping groove and the like, the installation of the fire detecting pipe is realized, the rotary clamping connection joint has good tightness, the leakage risk can be reduced, and the rotary clamping connection joint is very important for the application involving dangerous gas or liquid.

Description

Connecting joint for fire detection tube bottle head valve

Technical Field

The utility model relates to the technical field of fire extinguishing equipment, in particular to a connecting joint for a fire detection pipe head valve.

Background

The connection joint for the fire detection vial head valve generally refers to a special joint for connecting the fire detection vial head valve with a pipeline or other equipment. These fittings have a specific design for ensuring that the fire detection vial head valve can be tightly connected to other equipment or piping for fire extinguishing, leak detection, or other related tasks. A connection fitting for a fire detection vial head valve generally refers to a connector for connecting the fire detection vial head valve to other tubing, equipment or accessories.

Some of the prior art coupling joints for fire-detecting vial valves typically use threaded connections, which are of a common type for connecting fire-detecting vial valves to pipes or other equipment, and for the above drawbacks, coupling joints for fire-detecting vial valves have been proposed, as threaded connections may not have as good a tightness as other types of connections, incorrectly installed or aged threads may cause leaks.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a connecting joint for a fire detection vial head valve, which aims to solve the problem that gas can leak in the installation connection in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a fire detection tube bottle is attach fitting for head valve, includes the shell, the right side fixedly connected with connecting pipe of shell, the inside fixedly connected with fire detection tube of connecting pipe, the equal fixedly connected with subassembly that opens and shuts in upper and lower both ends of fire detection tube, the equal fixedly connected with fixed block in both ends about the left side of fire detection tube, the inside of fixed block is provided with the spring, the inside sliding connection of fixed block has the limiting plate, the outside fixedly connected with of limiting plate links up the ball, the spout has been seted up to the inside of connecting pipe, the draw-in groove has been seted up to the inside of connecting pipe.

The opening and closing assembly comprises connecting blocks, connecting plates are connected to the outer portions of the connecting blocks in a rotating mode, bolts are connected to the outer threads of the connecting plates, and the bottoms of the two connecting blocks are fixedly connected to the upper end and the lower end of the fire detection tube.

The top of shell fixedly connected with links up the pipe, the outside fixedly connected with spacing ring of linking pipe, the top fixedly connected with of linking pipe links up the cover.

Further, a fixing sleeve is fixedly connected to the left side of the shell.

Further, the outer portion of the fixed block is rotatably connected to the inner portion of the sliding groove, and the outer portion of the connecting ball is clamped with the outer portion of the clamping groove.

Further, the outer portion of the fire detection tube is in contact with the inner portion of the connection tube.

Further, screw thread grooves are formed in the outer portions of the upper end and the lower end of the connecting pipe, and the outer threads of the bolts are connected to the inner portions of the screw thread grooves.

Further, one end of the spring is fixedly connected to the inner wall of the fixed block, and the other end of the spring is fixedly connected to the outer portion of the limiting plate.

The utility model has the following beneficial effects:

1. In the utility model, under the mutual matching of structures such as the connecting ball, the spring, the fixed block, the sliding groove, the clamping groove and the like, the installation of the fire detecting pipe is realized, the rotary clamping connection joint has good tightness, the leakage risk can be reduced, and the rotary clamping connection joint is very important for the application involving dangerous gas or liquid.

Drawings

FIG. 1 is a perspective view of a connecting joint for a fire detection vial head valve according to the present utility model;

FIG. 2 is a schematic diagram of a slot structure of a connecting joint for a fire detection vial head valve according to the present utility model;

Fig. 3 is a schematic view of a joint ball structure of a joint for a fire detection vial head valve according to the present utility model.

Legend description:

1. A housing; 2. a connecting pipe; 3. a fire detection tube; 4. a joint block; 5. a connecting plate; 6. a bolt; 7. a fixed block; 8. a spring; 9. a connecting ball; 10. a chute; 11. a clamping groove; 12. a connecting sleeve; 13. a connecting pipe; 14. a limiting ring; 15. a connecting sleeve; 16. a fixed sleeve; 17. a thread groove; 18. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a connection joint for fire detection tube bottle head valve, which comprises an outer shell 1, the right side fixedly connected with connecting pipe 2 of shell 1, the inside fixedly connected with fire detection tube 3 of connecting pipe 2, the outside of fire detection tube 3 contacts with the inside of connecting pipe 2, such design is in order to make its fire detection tube 3 and connecting pipe 2 closely laminate, the upper and lower both ends of fire detection tube 3 are all fixedly connected with subassembly that opens and shuts, the equal fixedly connected with fixed block 7 in both ends about the left side of fire detection tube 3, the inside of fixed block 7 is provided with spring 8, spring 8's design is in order to make its linking ball 9 shrink, the one end fixed connection of spring 8 is at the inner wall of fixed block 7, the other end fixed connection of spring 8 is in the outside of limiting plate 18, the inside sliding connection of fixed block 7 has limiting plate 18, the design of limiting plate 18 is in order to make its linking ball 9 can not pop out the inside of fixed block 7, the outside fixedly connected with linking ball 9 of limiting plate 18, the inside of connecting pipe 2 has been seted up spout 10, the design of spout 10 is in order to make its fixed block 7 rotate in the inside of spout 10 and carry out the inside of clamping groove 11 in order to make the inside of clamping groove 11 of connecting pipe 11, the outside 11 is in order to make the outside of linking ball 11 in order to rotate the outside of clamping groove 11.

As shown in fig. 2 and 3, the opening and closing assembly comprises a connecting block 4, the outside of the connecting block 4 is rotationally connected with a connecting plate 5, external threads of the connecting plate 5 are connected with bolts 6, threaded grooves 17 are formed in the outer portions of the upper end and the lower end of the connecting pipe 2, the external threads of the bolts 6 are connected in the threaded grooves 17, the bottoms of the two connecting blocks 4 are fixedly connected to the upper end and the lower end of the fire detection pipe 3, the top of the shell 1 is fixedly connected with a connecting pipe 13, the outer portion of the connecting pipe 13 is fixedly connected with a limiting ring 14, the top of the connecting pipe 13 is fixedly connected with a connecting sleeve 15, and the left side of the shell 1 is fixedly connected with a fixing sleeve 16.

Working principle: when the fire detection tube 3 is installed, firstly, the outer part of the fire detection tube 3 is sleeved into the connecting tube 2, at the moment, when the fire detection tube 3 enters the connecting tube 2, the spring 8 in the fixing block 7 is extruded, the connecting ball 9 can enter the fixing block 7, when the fire detection tube 3 reaches the inside of the sliding groove 10, the fixing block 7 can rotate in the sliding groove 10 by twisting the fire detection tube 3, when the connecting ball 9 abuts against the outer part of the clamping groove 11, the connecting ball 9 and the clamping groove 11 are mutually clamped through resilience of the spring 8, after the clamping is completed, under the action of the connecting plate 5, the bolt 6 outside the connecting plate 5 is in threaded connection with the threaded groove 17 outside the connecting tube 2, the installation of the fire detection tube 3 is realized, the rotating clamping connecting joint is usually good in sealing performance, the risk of leakage can be reduced, and the application of dangerous gas or liquid is very important.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a fire detection vial head attach fitting for valve, includes shell (1), its characterized in that: the right side fixedly connected with connecting pipe (2) of shell (1), the inside fixedly connected with of connecting pipe (2) is visited firetube (3), the equal fixedly connected with of upper and lower both ends of exploring firetube (3) opens and shuts the subassembly, the equal fixedly connected with fixed block (7) in both ends about the left side of exploring firetube (3), the inside of fixed block (7) is provided with spring (8), the inside sliding connection of fixed block (7) has limiting plate (18), the outside fixedly connected with of limiting plate (18) links up ball (9), spout (10) have been seted up to the inside of connecting pipe (2), draw-in groove (11) have been seted up to the inside of connecting pipe (2).

2. A coupling for a fire-detecting vial head valve according to claim 1, wherein: the opening and closing assembly comprises connecting blocks (4), connecting plates (5) are rotatably connected to the outer portions of the connecting blocks (4), bolts (6) are connected to the outer portions of the connecting plates (5) in a threaded mode, and the bottoms of the two connecting blocks (4) are fixedly connected to the upper end and the lower end of the fire detecting tube (3).

3. A coupling for a fire-detecting vial head valve according to claim 1, wherein: the top fixedly connected with of shell (1) links up pipe (13), the outside fixedly connected with spacing ring (14) of linking pipe (13), the top fixedly connected with of linking pipe (13) links up cover (15).

4. A coupling for a fire-detecting vial head valve according to claim 1, wherein: the left side of the shell (1) is fixedly connected with a fixed sleeve (16).

5. A coupling for a fire-detecting vial head valve according to claim 1, wherein: the outer part of the fixed block (7) is rotationally connected to the inner part of the chute (10), and the outer part of the connecting ball (9) is clamped with the outer part of the clamping groove (11).

6. A coupling for a fire-detecting vial head valve according to claim 1, wherein: the outer part of the fire detecting pipe (3) is contacted with the inner part of the connecting pipe (2).

7. A coupling for a fire-detecting vial head valve according to claim 2, wherein: screw grooves (17) are formed in the outer portions of the upper end and the lower end of the connecting pipe (2), and the outer threads of the bolts (6) are connected to the inner portions of the screw grooves (17).

8. A coupling for a fire-detecting vial head valve according to claim 1, wherein: one end of the spring (8) is fixedly connected to the inner wall of the fixed block (7), and the other end of the spring (8) is fixedly connected to the outer part of the limiting plate (18).