Fire extinguisher with retractable and extendable nozzle

Abstract

The utility model discloses a fire extinguisher with a retractable and extendable nozzle, and relates to the technical field of fire fighting equipment. The fire extinguisher with the retractable and extendable nozzle comprises a fire extinguisher body; the conveying pipe fixedly communicates with the output end of the fire extinguisher body; the inner sleeve is fixedly arranged at the other end of the conveying pipe; and the groove is formed in the surface of the inner sleeve. According to the fire extinguisher with the retractable and extendable spray head, through the arrangement of the inner sleeve and the outer sleeve, the length of the spray head can be increased, so that the length of the spray head can be adjusted according to different fire sources, and the safety of a user during fire extinguishing is improved; the eccentric shifting block pushes the pressing block to move in the axial direction of the guide column in the rotating process, the pressing block and the inner surface of the groove are pressed tightly, the positions of the inner sleeve and the outer sleeve are fixed, and the stability of the nozzle structure during use is improved.

Description

Technical Field

[0001] This utility model relates to the field of fire protection equipment technology, specifically a fire extinguisher with a retractable and extendable nozzle. Background Technology

[0002] A fire extinguisher is a portable fire-fighting device used to extinguish initial fires. It is commonly found in homes, offices, factories, vehicles, and other places, making it convenient for nearby people to extinguish fires in the event of a sudden fire, thus preventing the fire from spreading and reducing economic losses.

[0003] Currently, fire extinguisher nozzles are usually one-piece molded, requiring the user to hold them with one hand during use. Due to the different ignition sources of the fire, the required distance between the nozzle and the fire source varies when extinguishing different fire sources. If the nozzle is too close to the fire source, it can easily cause burns to the hand and make it difficult to effectively extinguish the fire. Utility Model Content

[0004] The purpose of this invention is to provide a fire extinguisher with a retractable and extendable nozzle to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fire extinguisher with a retractable and extendable nozzle, comprising: a fire extinguisher body; a delivery pipe fixedly connected to the output end of the fire extinguisher body; an inner sleeve fixedly disposed at the other end of the delivery pipe; a groove formed on the surface of the inner sleeve; an outer sleeve slidably disposed on the inner sleeve, the outer sleeve being slidable along the axial direction of the inner sleeve; a fixing sleeve fixedly disposed at one end of the outer sleeve, the fixing sleeve being close to the mating end of the inner sleeve, the fixing sleeve having a through hole through its surface, and an adjusting platform fixedly disposed on the outer surface of the fixing sleeve at positions on both sides of the through hole; an eccentric lever rotatably disposed on the adjusting platform; and a pressure block disposed on the fixing sleeve, the pressure block being located inside the groove, the eccentric lever being configured such that when rotated, the pressure block presses against the inner surface of the groove, thereby fixing the position of the outer sleeve.

[0006] Preferably, it further includes: a guide post, fixedly mounted on the pressure block, the surface of the guide post being slidably disposed with the inside of the adjustment platform; a reset spring, sleeved on the surface of the guide post, the reset spring deforming when the pressure block is pressed against the inner surface of the groove; and a storage groove, formed on the adjustment platform, the reset spring and the guide post being located inside the storage groove.

[0007] Preferably, it further includes: a rubber pad, fixedly disposed at the bottom end of the pressure block; and anti-slip texture, formed on the inner surface of the groove.

[0008] Preferably, it further includes: a limiting ring, fixedly disposed at one end of the inner sleeve, the limiting ring being located inside the outer sleeve; and a stop block, fixedly disposed on the end face of the fixed sleeve.

[0009] Preferably, it further includes: a stabilizing patch, which is fixedly disposed on the surface of the inner sleeve, and the surface of the stabilizing patch is in contact with the inner surface of the outer sleeve.

[0010] Preferably, it further includes: a connector, fixedly disposed at one end of the conveying pipe; and a mating sleeve, fixedly disposed at one end of the inner sleeve, wherein the outer surface of the connector and the inner surface of the mating sleeve are threaded together.

[0011] Preferably, it further includes: a sealing gasket, fixedly disposed at one end of the connector, the inner surface of the sealing gasket being tightly fitted with the mating sleeve; and a positioning inner protrusion, formed on the outer sleeve, the surface of the positioning inner protrusion being located inside the groove.

[0012] This utility model provides a fire extinguisher with a retractable and extendable nozzle, which has the following beneficial effects:

[0013] This invention extends the length of the nozzle by using an inner sleeve and an outer sleeve, allowing the nozzle length to be adjusted according to different fire sources, thus improving the safety of the user during fire extinguishing. Furthermore, after the length adjustment is completed, the eccentric lever is moved, causing the eccentric lever to push the pressure block along the axial direction of the guide column during rotation, pressing the pressure block against the inner surface of the groove, thereby fixing the position of the inner and outer sleeves and improving the stability of the nozzle structure during use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is an exploded view of the structure between the inner and outer sleeves of this utility model.

[0016] Figure 3 This is an exploded view of the outer casing structure of this practical application.

[0017] In the diagram: 1. Fire extinguisher body; 2. Delivery pipe; 3. Inner sleeve; 4. Outer sleeve; 5. Groove; 6. Fixing sleeve; 7. Adjusting platform; 8. Eccentric lever; 9. Pressure block; 10. Guide post; 11. Return spring; 12. Storage groove; 13. Anti-slip texture; 14. Rubber pad; 15. Limiting ring; 16. Stop block; 17. Stabilizing patch; 18. Positioning inner protrusion; 19. Connecting sleeve; 20. Connecting joint; 21. Sealing gasket. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0019] This utility model provides a technical solution: Referring to 1-3, in this embodiment, a fire extinguisher with a retractable and extendable nozzle includes: a fire extinguisher body 1; a delivery pipe 2, fixedly connected to the output end of the fire extinguisher body 1; an inner sleeve 3, fixedly disposed at the other end of the delivery pipe 2; a groove 5, formed on the surface of the inner sleeve 4; an outer sleeve 4, slidably disposed on the inner sleeve 3, the outer sleeve 3 being slidable along the axial direction of the inner sleeve 3; and a fixing sleeve 6, fixedly disposed at one end of the outer sleeve 4, the fixing sleeve 6 being close to the mating end of the inner sleeve 3, and a through hole being formed on the surface of the fixing sleeve 6. An adjusting platform 7 is fixedly installed on the outer surface of the fixed sleeve 6 and on both sides of the through hole; an eccentric lever 8 is rotatably mounted on the adjusting platform 7; a pressure block 9 is mounted on the fixed sleeve 6 and is located inside the groove 5. When the eccentric lever 8 is rotated, the pressure block 9 is pressed against the inner surface of the groove 5 to fix the position of the outer sleeve 3. By setting the pressure block 9, the position of the outer sleeve 4 can be fixed by the pressing of the eccentric lever 8, and the length of the nozzle can be adjusted to adapt to the treatment of different fire sources and ensure the safety of personnel.

[0020] It also includes: a guide post 10, which is fixedly mounted on the pressure block 9, and the surface of the guide post 10 is slidably mounted inside the adjustment platform 7; a return spring 11, which is sleeved on the surface of the guide post 10, and the return spring 11 deforms when the pressure block 9 is pressed against the inner surface of the groove 5; and a storage groove 12, which is opened on the adjustment platform 7, and the return spring 11 and the guide post 10 are located inside the storage groove 12. By setting the guide post 10, the pressure block 9 can be guided to ensure that it moves in the vertical direction. By setting the return spring 11, the pressure block 9 can be reset, which facilitates position adjustment.

[0021] It also includes: a rubber pad 14, which is fixedly installed at the bottom of the pressure block 9; and anti-slip texture 13, which is formed on the inner surface of the groove 5 to improve the fixing strength.

[0022] It also includes: a limiting ring 15, which is fixedly installed at one end of the inner sleeve 4 and is located inside the outer sleeve 4; and a stop block 16, which is fixedly installed on the end face of the fixed sleeve 6 to prevent the outer sleeve 4 from falling off.

[0023] It also includes: a stabilizing patch 17, which is fixedly installed on the surface of the inner sleeve 3. The surface of the stabilizing patch 17 is in contact with the inner surface of the outer sleeve 4, which can ensure stability during the adjustment process and prevent shaking.

[0024] It also includes: a connector 20, which is fixedly installed at one end of the conveying pipe 2; and a mating sleeve 19, which is fixedly installed at one end of the inner sleeve 3, with the outer surface of the connector 20 and the inner surface of the mating sleeve 19 threaded together.

[0025] It also includes: a sealing gasket 21, which is fixedly installed at one end of the connector 20, and the inner surface of the sealing gasket 21 is in close contact with the mating sleeve 19; and a positioning inner protrusion 18, which is opened on the outer sleeve 4, and the surface of the positioning inner protrusion 18 is located inside the groove 5, which can improve the sealing performance during connection.

[0026] This utility model provides a fire extinguisher with a retractable and extendable nozzle, the specific working principle of which is as follows:

[0027] When adjusting the nozzle length to accommodate different fire sources, the operator moves the eccentric lever 8 to make it vertical, thus releasing the restriction on the pressure block 9. After the restriction is released, the return spring 11 returns to its elastic deformation, causing the pressure block 9 connected to the guide post 10 to reset, releasing the restriction on the outer sleeve 4. Then, the outer sleeve 4 is pushed to move on the inner sleeve 3. After adjusting to the designated position, the operator moves the eccentric lever 8 again, causing it to press the pressure block 9 downwards to fix the outer sleeve 4.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fire extinguisher with a retractable and extendable nozzle, characterized in that: include: Fire extinguisher body (1); The delivery pipe (2) is fixedly connected to the output end of the fire extinguisher body (1); The inner sleeve (3) is fixedly installed at the other end of the conveying pipe (2); A groove (5) is formed on the surface of the inner sleeve (3); The outer sleeve (4) is slidably disposed on the inner sleeve (3), and the outer sleeve (4) can slide along the axial direction of the inner sleeve (3); A fixed sleeve (6) is fixedly installed at one end of the outer sleeve (4). The fixed sleeve (6) is close to the mating end of the inner sleeve (3). A through hole is opened through the surface of the fixed sleeve (6). An adjustment platform (7) is fixedly installed on the outer surface of the fixed sleeve (6) and on both sides of the through hole. An eccentric lever (8) is rotatably mounted on an adjusting table (7); A pressure block (9) is set on a fixed sleeve (6). The pressure block (9) is located inside a groove (5). The eccentric lever (8) is set so that when it rotates, the pressure block (9) presses against the inner surface of the groove (5) so that the position of the outer sleeve (4) is fixed.

2. The fire extinguisher with a retractable and extendable nozzle according to claim 1, characterized in that: Also includes: The guide post (10) is fixedly mounted on the pressure block (9), and the surface of the guide post (10) is slidably mounted with respect to the inside of the adjustment table (7); A return spring (11) is sleeved on the surface of the guide post (10). When the pressure block (9) is set to press against the inner surface of the groove (5), the return spring (11) deforms. The storage slot (12) is located on the adjustment platform (7), and the reset spring (11) and guide post (10) are located inside the storage slot (12).

3. A fire extinguisher with a retractable and extendable nozzle according to claim 2, characterized in that: Also includes: A rubber pad (14) is fixedly installed at the bottom of the pressure block (9); Anti-slip texture (13) is formed on the inner surface of the groove (5).

4. A fire extinguisher with a retractable and extendable nozzle according to claim 1, characterized in that: Also includes: A limiting ring (15) is fixedly installed at one end of the inner sleeve (3), and the limiting ring (15) is located inside the outer sleeve (4); The stop block (16) is fixedly installed on the end face of the fixed sleeve (6).

5. A fire extinguisher with a retractable and extendable nozzle according to claim 4, characterized in that: Also includes: A stabilizing patch (17) is fixedly disposed on the surface of the inner sleeve (3), and the surface of the stabilizing patch (17) is in contact with the inner surface of the outer sleeve (4).

6. A fire extinguisher with a retractable and extendable nozzle according to claim 1, characterized in that: Also includes: The connector (20) is fixedly installed at one end of the conveying pipe (2); The mating sleeve (19) is fixedly installed at one end of the inner sleeve (3), and the outer surface of the mating joint (20) is threaded to the inner surface of the mating sleeve (19).

7. A fire extinguisher with a retractable and extendable nozzle according to claim 6, characterized in that: Also includes: A sealing gasket (21) is fixedly installed at one end of the connector (20), and the inner surface of the sealing gasket (21) is tightly fitted with the mating sleeve (19); A positioning inner protrusion (18) is formed on the outer sleeve (4), and the surface of the positioning inner protrusion (18) is located inside the groove (5).

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