Pressure test equipment for fire-fighting sprinkler head
By using a direct-insertion sprinkler head installation structure, and utilizing the design of positioning clips and inner convex sealing nozzles, the problem of inconvenient installation and disassembly of fire sprinklers is solved, enabling fast and safe installation and disassembly operations.
Patent Information
- Application Number
- CN202423187450.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing fire sprinklers are slow to install and remove, and are easily damaged. Threaded connections are prone to jamming, causing inconvenience in operation.
The test nozzle adopts a direct-insertion type installation structure, which is positioned and installed by positioning clips. The inner convex sealing nozzle fits and seals well, making installation and disassembly convenient and testing operations simple.
It enables rapid installation and removal of fire sprinklers, avoiding damage to the sprinklers and improving operational efficiency and safety.
Smart Images

Figure CN223874315U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the pressure test equipment field of fire sprinkler, more specifically, relate to a kind of pressure test equipment of fire sprinkler. BACKGROUND
[0002] Fire sprinkler is installed on the ceiling of house, when room temperature is higher and reaches the valve value of sprinkler design, automatic water spray fire extinguishing, it has fast response speed, can absorb heat, smoke, flame penetration and other characteristics, widely used in hotel, office building, exhibition center, airport, railway station, wharf and other indoor public places, the existing fire sprinkler is connected with the corresponding threaded hole on indoor ceiling by the threaded connection tube at its end, its shortcomings are: when installing and disassembling, it needs to be directly rotated to complete, not only slow, but also easy to damage the sprinkler;
[0003] In the prior art, such as the utility model discloses a kind of new safe fire sprinkler pressure test device, including nozzle pressure test device ontology, the end of nozzle pressure test device ontology is provided with the threaded connection tube, the threaded connection tube is provided with connecting screw, the connecting screw is provided with water passage passing through the upper and lower end faces, the connecting screw is provided with the connecting nut matched with it, the connecting nut is provided with the internal thread matched with the external thread of the threaded connection tube, since the utility model adopts the above structure, when installing and disassembling, nozzle pressure test device ontology does not need to be rotated, only connecting screw and connecting nut need to be rotated, solve the problem of slow installation and disassembly speed, low efficiency, also effectively avoid the problem of nozzle pressure test device ontology damage caused by force rotating nozzle pressure test device ontology, in addition, connecting screw is arranged in threaded connection tube, so that the threaded connection tube is not affected by high water pressure, to avoid high pressure causing nozzle pressure test device ontology damage;
[0004] In the above patent, threaded connection is still used to install and test the nozzle, which is easy to be jammed during installation, and it is not convenient to twist and disassemble, and the test operation is not convenient. UTILITY MODEL CONTENTS
[0005] In view of the problems in the prior art, the utility model aims to provide a kind of pressure test equipment of fire sprinkler, direct insertion type test nozzle main part installation structure is used, directly inserted into test flow guide pipe, positioned and installed by positioning clamping block, inner convex sealing nozzle is sealed, easy to install, disassemble, test operation is convenient.
[0006] To solve the above problems, the utility model uses the following technical solutions.
[0007] The utility model provides a kind of pressure testing equipment of fire sprinkler, including test nozzle main part, the upper end surface of the test nozzle main part is provided with water inlet mounting lug, the inner side surface of the lower end of the test flow guide pipe is provided with inner convex sealing nozzle, the outer surface of the lower end of the inner convex sealing nozzle is closely attached to the inner side surface of water inlet mounting lug, the outer end surface of the test flow guide pipe is provided with protrusion, the inner side surface of protrusion is provided with sliding groove, the inner side surface of the sliding groove of the test flow guide pipe is filled with spring and positioning clamping block, the outer end clamping surface of the positioning clamping block is clamped to the inner side surface of water inlet mounting lug, the outer surface of both sides of water inlet mounting lug is provided with clamping groove, the outer end of the positioning clamping block is clamped in the inner side surface of the clamping groove of water inlet mounting lug, the outer surface of the positioning clamping block is provided with pull bar block, using straight insertion type test nozzle main part installation structure, directly inserted into test flow guide pipe, positioning installation is positioned by positioning clamping block, inner convex sealing nozzle is attached to seal, it is convenient to install, it is convenient to disassemble, it is convenient to test operation.
[0008] Further, the pull bar block is fixed to the outer end surface of the positioning clamping block, and the outer surface of the pull bar block is slidably connected to the inner side surface of the protrusion of the test flow guide pipe.
[0009] Further, the inner convex sealing nozzle is extruded to the upper surface of the water inlet mounting lug, and a first sealing ring is clamped between the inner convex sealing nozzle and the water inlet mounting lug.
[0010] Further, the lower surface of the inner convex sealing nozzle and the upper surface of the water inlet mounting lug are both provided with annular clamping grooves, and the first sealing ring is clamped to the inner side surface of the annular clamping grooves.
[0011] Further, the outer end surface of the water inlet mounting lug is provided with a positioning ring groove, a second sealing ring is sleeved in the positioning ring groove, and the second sealing ring is attached to the lower end inner side surface of the test flow guide pipe.
[0012] Further, the positioning clamping blocks are distributed on the left and right ends of the test flow guide pipe.
[0013] Further, the outer surface of the positioning clamping block is closely attached to the inner side surface of the clamping groove.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] (1) using straight insertion type test nozzle main part installation structure, directly inserted into test flow guide pipe, positioning installation is positioned by positioning clamping block, inner convex sealing nozzle is attached to seal, it is convenient to install, it is convenient to disassemble, it is convenient to test operation. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1The first schematic view of the overall structure of the utility model;
[0017] Figure 2 The second schematic view of the overall structure of the utility model;
[0018] Figure 3 The cross-sectional view of the overall structure of the utility model;
[0019] Figure 4 The schematic view of the water inlet mounting protrusion and the test spray head main body piece of the utility model;
[0020] Figure 5 The schematic view of the positioning clamping block and the pulling strip block of the utility model.
[0021] Mark explanation in the figure:
[0022] 1 test spray head main body piece, 2 water inlet mounting protrusion, 3 test flow guide pipe, 4 inner protruding sealing nozzle, 5 sliding groove, 6 spring, 7 positioning clamping block, 8 pulling strip block, 200 clamping groove, 20 annular clamping groove, 9 first sealing ring, 10 second sealing ring. Specific implementation
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] Embodiment 1
[0025] Please refer to Figures 1-5A kind of pressure testing equipment of fire sprinkler, including test nozzle main part 1, the upper end surface of test nozzle main part 1 is provided with water inlet mounting lug 2, water inlet mounting lug 2 is clamped in the inner side surface of test flow guide pipe 3, the lower end inner side surface of test flow guide pipe 3 is provided with inner convex sealing nozzle 4, the lower end outer surface of inner convex sealing nozzle 4 is closely attached to the inner side surface of water inlet mounting lug 2, the outer end surface of test flow guide pipe 3 is provided with protrusion, the inner side surface of protrusion is provided with sliding groove 5, the inner side surface of sliding groove 5 of test flow guide pipe 3 is filled with spring 6 and positioning clamping block 7, the outer end clamping surface of positioning clamping block 7 is clamped in the inner side surface of water inlet mounting lug 2, the outer surface of both sides of water inlet mounting lug 2 is provided with clamping groove 200, the outer end of positioning clamping block 7 is clamped in the inner side surface of the clamping groove 200 of water inlet mounting lug 2, the outer surface of positioning clamping block 7 is provided with pull bar block 8;With straight insertion type test nozzle main part mounting structure, directly inserted into test flow guide pipe, positioned and installed by positioning clamping block, inner convex sealing nozzle is attached and sealed, easy to install, easy to disassemble, easy to test operation;
[0026] Pull bar block 8 is fixed on the outer end surface of positioning clamping block 7, and the outer surface of pull bar block 8 is slidably connected to the inner side surface of the protrusion of test flow guide pipe 3;
[0027] Inner convex sealing nozzle 4 is extruded on the upper surface of water inlet mounting lug 2, and a first sealing ring 9 is clamped between inner convex sealing nozzle 4 and water inlet mounting lug 2;Can form a sealed block, sealed by first sealing ring 9;
[0028] The lower surface of inner convex sealing nozzle 4 and the upper surface of water inlet mounting lug 2 are both provided with annular clamping groove 20, and the first sealing ring 9 is clamped on the inner side surface of the annular clamping groove 20;Easy to install, can be clamped and positioned sealing;
[0029] The outer end surface of water inlet mounting lug 2 is provided with positioning ring groove, and the second sealing ring 10 is sleeved in the positioning ring groove, and the second sealing ring 10 is attached to the lower end inner side surface of test flow guide pipe 3;After insertion and installation, it can be tightly attached and sealed by second sealing ring 10, and the positioning clamping block 7 is distributed on the left and right ends of test flow guide pipe 3;Two side clamping structures, stable and firm after clamping and installing;The outer surface of positioning clamping block 7 is closely attached to the inner side surface of clamping groove 200;Clamp tightly;
[0030] When the test nozzle main body 1 is used, the water inlet mounting protrusion 2 is clamped on the inner side surface of the test flow guide pipe 3, the inner protruding sealing nozzle 4 is arranged on the lower end inner side surface of the test flow guide pipe 3, the lower end outer surface of the inner protruding sealing nozzle 4 is tightly attached to the inner side surface of the water inlet mounting protrusion 2, and the test flow guide pipe 3 is arranged with a protrusion on the outer end surface, the inner side surface of the protrusion of the test flow guide pipe 3 is arranged with a sliding groove 5, the inner side surface of the sliding groove 5 of the test flow guide pipe 3 is filled with a spring 6 and a positioning clamping block 7, the outer end clamping surface of the positioning clamping block 7 is clamped on the inner side surface of the water inlet mounting protrusion 2, and the outer surfaces of the two sides of the water inlet mounting protrusion 2 are provided with clamping grooves 200, after being inserted, the spring 6 is pulled to position the clamping block 7, the outer end of the positioning clamping block 7 is clamped on the inner side surface of the clamping groove 200 of the water inlet mounting protrusion 2, and the positioning clamping can be clamped and positioned and installed.
[0031] The outer surface of the positioning clamping block 7 is provided with a pulling strip block 8, the pulling strip block 8 is fixed on the outer end surface of the positioning clamping block 7, and the outer surface of the pulling strip block 8 is slidingly connected to the inner side surface of the protrusion of the test flow guide pipe 3; when disassembling, the pulling strip block 8 is pulled outward, the positioning clamping block 7 is separated from the clamping groove 200, and the test nozzle main body 1 can be pulled out, so that the test nozzle main body 1 is convenient to use.
[0032] The inner protruding sealing nozzle 4 is extruded on the upper surface of the water inlet mounting protrusion 2, and the first sealing ring 9 is clamped between the inner protruding sealing nozzle 4 and the water inlet mounting protrusion 2; the blocking port can be sealed, and the first sealing ring 9 is sealed; the outer end surface of the water inlet mounting protrusion 2 is provided with a positioning ring groove, the second sealing ring 10 is sleeved in the positioning ring groove, and the second sealing ring 10 is attached to the lower end inner side surface of the test flow guide pipe 3; after being inserted and mounted, the second sealing ring 10 is tightly attached and sealed, and the sealing performance is high and will not leak.
[0033] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A pressure testing apparatus for fire sprinkler heads, comprising a test head body piece (1), characterised in that: The upper end surface of the test shower head body piece (1) is provided with a water inlet mounting protrusion (2) which is clamped on the inner side surface of a test water guide pipe (3), the lower end inner side surface of the test water guide pipe (3) is provided with an inner convex sealing nozzle (4), the lower end outer surface of the inner convex sealing nozzle (4) is tightly fitted on the inner side surface of the water inlet mounting protrusion (2), the outer end surface of the test water guide pipe (3) is provided with a protrusion, the inner side surface of the protrusion is provided with a sliding groove (5), the inner side surface of the sliding groove (5) of the test water guide pipe (3) is filled with a spring (6) and a positioning clamping block (7), the outer end clamping surface of the positioning clamping block (7) is clamped on the inner side surface of the water inlet mounting protrusion (2), the outer side surface of the water inlet mounting protrusion (2) is provided with a clamping groove (200), the outer end of the positioning clamping block (7) is clamped on the inner side surface of the clamping groove (200) of the water inlet mounting protrusion (2), and the outer surface of the positioning clamping block (7) is provided with a pulling strip block (8).
2. A pressure testing apparatus for fire sprinkler heads as defined in claim 1, wherein: The pulling strip block (8) is fixed on the outer end surface of the positioning clamping block (7), and the outer surface of the pulling strip block (8) is slidingly connected to the inner side surface of the protrusion of the test water guide pipe (3).
3. A pressure testing apparatus for fire sprinkler heads as defined in claim 1, wherein: The inner convex sealing nozzle (4) is extruded on the upper surface of the water inlet mounting protrusion (2), and a first sealing ring (9) is clamped between the inner convex sealing nozzle (4) and the water inlet mounting protrusion (2).
4. A pressure testing apparatus for fire sprinkler heads as defined in claim 3 wherein: The lower surface of the inner convex sealing nozzle (4) and the upper surface of the water inlet mounting protrusion (2) are both provided with an annular clamping groove (20), and the first sealing ring (9) is clamped on the inner side surface of the annular clamping groove (20).
5. A pressure testing apparatus for fire sprinkler heads as defined in claim 1 wherein: The outer end surface of the water inlet mounting protrusion (2) is provided with a positioning ring groove, a second sealing ring (10) is sleeved in the positioning ring groove, and the second sealing ring (10) is fitted on the lower end inner side surface of the test water guide pipe (3).
6. A pressure testing apparatus for fire sprinkler heads as defined in claim 1, wherein: The positioning clamping blocks (7) are distributed on the left and right ends of the test water guide pipe (3).
7. A pressure testing apparatus for fire sprinkler heads as defined in claim 1 wherein: The outer surface of the positioning clamping block (7) is tightly fitted on the inner side surface of the clamping groove (200).
Citation Information
Patent Citations
Novel pressure testing of safe fire control shower nozzle device
CN204996044U