CN220360647U - Fire extinguisher - Google Patents

Abstract

The utility model relates to a fire extinguisher in the technical field of fire extinguishers. When installing the fire extinguisher, place the fire extinguisher in the upper end of supporting disk, under the cooperation of locking lever and locking piece, make and press down the fire extinguisher for the first time, make supporting component drive lift regulating block and remove downwards, the quarter butt slides to spacing hole's cell chamber deep, first clamp splice cooperation second clamp splice presss from both sides the fire extinguisher, when taking out the fire extinguisher, press down the fire extinguisher again, guide bar cooperation guide assembly makes the quarter butt slide to spacing hole's cell chamber middle part from spacing hole, then spring one drives lift regulating block and resets, lift regulating block control transfer line two rotates, transfer line two control transfer line one rotates, drive first clamp splice and second clamp splice release the locking to the fire extinguisher, alright take out the fire extinguisher.

Description

Fire extinguisher

Technical Field

The utility model relates to the technical field of fire extinguishers, in particular to a fire extinguisher.

Background

In order to avoid the fire extinguisher from being accidentally knocked down, the fire extinguisher is damaged. The fire extinguisher is often provided with fastening equipment, and common fastening equipment is difficult to take out the fire extinguisher fast.

For example, a novel environment-friendly fire extinguisher disclosed in Chinese patent application No. CN202020312530.0 comprises the following specific contents: the fixed chuck inserts the fixed slot inside with the fire extinguisher body bottom for the slip fixture block of fixed chuck periphery is gone into in the longitudinal sliding groove along the slip card of fixed slot inner wall, through rotating the fire extinguisher body when sliding to the longitudinal sliding groove bottom, the fire extinguisher body drives fixed chuck and rotates, thereby fixed chuck can drive the slip fixture block card and go into in the lateral sliding draw-in groove, thereby can fix the fire extinguisher body, only need reverse rotation fire extinguisher body can dismantle when needs dismantle, the rethread rotates the turning handle, the turning handle drives the regulation pivot and rotates, the regulation pivot drives the driving gear and rotates, the driving gear drives first gear clockwise rotation, first gear drives the anticlockwise rotation of second gear, thereby can reach first connecting rod inwards rotation, and then can reach the effect that drives the synchronous inwards gathering of fixed arm lock, thereby can press from both sides the fixed fire extinguisher body of clamp, it is fixed with turning handle and regulating box outer wall top to adjust after well, only need pull out the reverse rotation turning handle and dismantle when dismantling, it has following technical problem:

when storing up and dismantling the fire extinguisher, need pull out the bolt back again counter-rotating stem to still need the counter-rotating fire extinguisher body just can accomplish the dismantlement, the operation is comparatively loaded down with trivial details, makes when the conflagration breaks out, is difficult to take out the fire extinguisher fast.

Disclosure of Invention

In order to solve the problem that the fire extinguisher provided in the background art is complicated to disassemble, the utility model provides the following technical scheme:

a fire extinguisher comprises a fire extinguisher.

The upper end of the fire extinguisher is provided with a clamping device for clamping the fire extinguisher, and the lower end of the fire extinguisher is provided with a supporting device for supporting the fire extinguisher.

The clamping device comprises a first clamping block, the clamping device comprises a second clamping block used for being matched with the first clamping block to clamp the fire extinguisher, and the clamping device comprises a first transmission rod used for being matched with the supporting device to control the first clamping block and the second clamping block to clamp the fire extinguisher.

The supporting device comprises an L-shaped supporting block used for supporting and limiting the clamping device, the L-shaped supporting block is an L-shaped block body, a supporting component used for supporting a fire extinguisher is installed at the lower end of the L-shaped supporting block, a first spring used for controlling the supporting component to reset is installed at the lower end of the supporting component, a second transmission rod used for controlling the first transmission rod to rotate is installed in the inner portion of the L-shaped supporting block, a lifting adjusting block used for controlling the second transmission rod to rotate is connected to one end of the supporting component, and a locking block used for being matched with the lifting adjusting block to lock the supporting component is installed in the inner portion of the L-shaped supporting block.

Further, the middle part of the first transmission rod is provided with a first conical tooth which is used for being matched with the second transmission rod to control the first transmission rod to rotate, one end of a rod body of the first transmission rod is provided with a first spiral groove which is used for controlling the first clamping block to move, the other end of the rod body of the first transmission rod is provided with a second spiral groove which is used for controlling the second clamping block to move, the thread directions of the first spiral groove and the second spiral groove are opposite, and the movement directions of the first clamping block and the second clamping block are opposite.

Further, internally mounted of L shape supporting shoe has the gag lever post that is used for carrying out spacingly to supporting component, supporting component is including the backup pad, hole two that is used for cooperating the gag lever post to carry out spacingly to supporting component has been seted up to the one end of backup pad, the mid-mounting of backup pad has the supporting disk that is used for carrying out the support to the fire extinguisher.

Further, the second transmission rod comprises a long rod, a spiral groove III for controlling the second transmission rod to rotate in cooperation with the lifting adjusting block is formed in the lower end of the long rod, and a second conical tooth used for being meshed with the first conical tooth is arranged at the upper end of the long rod.

Further, the middle part of lift regulating block has been seted up and has been used for supplying the stock to carry out flexible hole III, the fixed block that is used for carrying out gliding in the cell chamber of helical groove III is installed to the inner wall in hole III, the locking lever that is used for cooperating the locking piece to lock the lift regulating block is all installed to the inside of lift regulating block, the spacing groove that is used for carrying out spacing to the locking lever is seted up to the inside of lift regulating block, just the cell chamber upper end of spacing groove is installed and is used for adjusting the direction subassembly to the flexible length of locking lever.

Further, the locking rod comprises a short rod, a guide rod used for adjusting the telescopic length of the lifting adjusting block by matching with the guide assembly is arranged at the upper end of the short rod, a telescopic rod used for stretching out and drawing back in the short rod is arranged at one end of the short rod, and a second spring used for controlling the guide rod to support against the guide assembly is sleeved outside the rod body of the telescopic rod.

Further, the guide assembly comprises a guide ring, a limiting ring used for limiting the guide ring is arranged at the upper end of the guide ring, a first groove used for being in contact with the guide rod is formed in the inner wall of the guide ring, a second groove used for being in contact with the guide rod is formed in the inner wall of the guide ring, and the depth of the second groove is larger than that of the first groove.

Further, a fourth hole for the lifting adjusting block to stretch is formed in the locking block, and a limiting hole for the short rod to stretch is formed in the fourth hole.

Compared with the prior art, the utility model has the beneficial effects that:

when installing the fire extinguisher, place the fire extinguisher in the upper end of supporting disk, under the cooperation of locking lever and locking piece, make and press down the fire extinguisher for the first time, make supporting component drive lift regulating block and remove downwards, the quarter butt slides to spacing hole's cell chamber deep, first clamp splice cooperation second clamp splice presss from both sides the fire extinguisher, when taking out the fire extinguisher, press down the fire extinguisher again, guide bar cooperation guide assembly makes the quarter butt slide to spacing hole's cell chamber middle part from spacing hole, then spring one drives lift regulating block and resets, lift regulating block control transfer line two rotates, transfer line two control transfer line one rotates, drive first clamp splice and second clamp splice release the locking to the fire extinguisher, alright take out the fire extinguisher.

Drawings

FIG. 1 is a schematic view of the structure of the fire extinguisher according to the present utility model;

FIG. 2 is a front view of the fire extinguisher of the present utility model;

FIG. 3 is a schematic view of a clamping device according to the present utility model;

FIG. 4 is a schematic view of the structure of the supporting device of the present utility model;

FIG. 5 is a schematic view of a support assembly according to the present utility model;

FIG. 6 is a schematic diagram of a second embodiment of a transmission rod of the present utility model;

FIG. 7 is an enlarged view of the utility model at B of FIG. 4;

FIG. 8 is a schematic view of the guide assembly of the present utility model;

FIG. 9 is a top view of the guide ring of the present utility model;

FIG. 10 is a schematic view of the structure of the locking lever of the present utility model;

FIG. 11 is an enlarged view of FIG. 4 at C in accordance with the present utility model;

fig. 12 is an enlarged view of fig. 2 at a in accordance with the present utility model.

In the drawings, the list of part names represented by the reference numerals is as follows:

001-clamping device, 1-fire extinguisher;

10-first clamping blocks, 11-first elastic pads, 12-first sliding blocks, 20-second clamping blocks, 21-second elastic pads, 22-second sliding blocks, 30-first transmission rods, 31-first spiral grooves, 32-second spiral grooves and 33-first conical teeth;

002-support means;

100-L-shaped supporting blocks, 110-groove I, 120-hole I, 130-spring I, 140-locking blocks, 141-hole IV, 142-limit holes, 150-limit rods, 200-supporting components, 210-supporting plates, 211-supporting plates, 212-hole II, 300-transmission rods II, 310-long rods, 311-conical teeth II, 312-spiral grooves III, 400-lifting adjusting blocks, 410-hole III, 411-fixing blocks, 420-locking rods, 421-short rods, 422-guide rods, 423-telescopic rods, 424-spring II, 430-limit grooves, 500-guide components, 510-guide rings, 511-groove I, 512-groove II and 520-limit rings.

Detailed Description

Preferred embodiments for carrying out the present utility model are described in detail below, and a clear and complete description thereof is provided with reference to the accompanying drawings.

Referring to fig. 1-12, the present utility model provides a fire extinguisher, which comprises a clamping device 001 and supporting devices 002 and 003, wherein the fire extinguisher 1 can be quickly taken out when a fire disaster occurs, so as to avoid the fire situation being difficult to control due to the difficulty in taking out the fire extinguisher.

The clamping device 001 for clamping the fire extinguisher 1 is installed at the upper end of the fire extinguisher 1, the supporting device 002 for supporting the fire extinguisher 1 is installed at the lower end of the fire extinguisher 1, and the clamping device 001 is arranged at the upper end of the supporting device 002, when the fire extinguisher 1 is installed, the fire extinguisher 1 is placed in the middle of the clamping device 001, and placed at the upper end of the supporting component 200, the fire extinguisher 1 is pressed downwards, the supporting component 200 can be driven to drive the lifting adjusting block 400 to approach the locking block 140, when the locking rod 420 is inserted into the cavity of the limiting hole 142, the supporting component 200 is locked, and when the supporting component 200 moves downwards, the transmission rod 30 is driven to rotate through the transmission rod two 300, so that the first clamping block 10 and the second clamping block 20 are close to each other and clamp the fire extinguisher 1, and the stability of the fire extinguisher 1 during non-use is ensured.

Clamping device 001 is including first clamp splice 10, and the middle part of first clamp splice 10 sets up to the arc, is convenient for laminate with fire extinguisher 1, and the arc region at first clamp splice 10 middle part is provided with first 11 of elastic pad, and clamping device 001 is including being used for cooperating first clamp splice 10 to carry out the second clamp splice 20 that presss from both sides tight fire extinguisher 1, and the middle part of second clamp splice 20 sets up to the arc, is convenient for laminate with fire extinguisher 1, and the arc region at second clamp splice 20 middle part is provided with second 21 of elastic pad. The clamping device 001 comprises a first transmission rod 30 which is used for being matched with the supporting device 002 to control the first clamping block 10 and the second clamping block 20 to clamp the fire extinguisher 1, a first conical tooth 33 which is used for being matched with the second transmission rod 300 to control the first transmission rod 30 to rotate is fixedly arranged in the middle of the first transmission rod 30, a first spiral groove 31 which is used for controlling the first clamping block 10 to move is formed in one end of a rod body of the first transmission rod 30, a second spiral groove 32 which is used for controlling the second clamping block 20 to move is formed in the other end of the rod body of the first transmission rod 30, the screw directions of the first spiral groove 31 and the second spiral groove 32 are opposite, so that the movement directions of the first clamping block 10 and the second clamping block 20 are opposite, when the first conical tooth 33 is controlled by the second transmission rod 300 to rotate, the first transmission rod 30 is synchronously driven by the first conical tooth 33, the first clamping block 10 is driven to move under the guidance of the first spiral groove 31, and the second clamping block 20 is driven under the guidance of the second spiral groove 32 to move, so that the fire extinguisher 1 is clamped or released.

The supporting device 002 comprises an L-shaped supporting block 100 for supporting and limiting the clamping device 001, the L-shaped supporting block 100 is an L-shaped block, a first groove 110 for allowing the first clamping block 10 and the second clamping block 20 to move is formed in the upper end of the L-shaped supporting block 100, a hole for limiting the transmission rod 30 is fixedly mounted in the upper end of the L-shaped supporting block 100, a rod body I for limiting the first clamping block 10 and the second clamping block 20 is fixedly mounted in the upper end of the L-shaped supporting block 100, one ends of the rod body I and the first clamping block 10 are connected with one ends of the second clamping block 20, and a hole for allowing the rod body I to stretch out and draw back is formed in one ends of the first clamping block 10 and the second clamping block 20, so that the first clamping block 10 and the second clamping block 20 only move when the transmission rod 30 rotates. The middle part of L shape supporting shoe 100 has offered the hole one 120 that is used for carrying out spacing to fire extinguisher 1, and fire extinguisher 1 passes hole one 120 and places in the upper end of supporting component 200, and hole one 120 avoids fire extinguisher 1 to produce the slope because of bumping the trigger.

The lower end of the supporting component 200 is provided with a first spring 130 for controlling the supporting component 200 to reset, when the locking rod 420 is matched with the guide component 500 to slide out of the cavity of the limiting hole 142, the first spring 130 drives the supporting component 200 to move upwards, the lifting adjusting block 400 drives the transmission rod two 300 to rotate, the transmission rod two 300 drives the transmission rod one 30 to rotate, and the first clamping block 10 and the second clamping block 20 are used for unlocking the fire extinguisher 1. The L-shaped supporting block 100 has a stopper rod 150 installed therein for limiting the supporting assembly 200. The locking block 140 for locking the supporting component 200 by matching with the lifting adjusting block 400 is fixedly installed in the L-shaped supporting block 100, a fourth hole 141 for the lifting adjusting block 400 to stretch out and draw back is formed in the locking block 140, and a limiting hole 142 for the short rod 421 to stretch out and draw back is formed in the fourth hole 141.

When the fire extinguisher 1 is installed, the fire extinguisher 1 is placed at the upper end of the supporting disc 211, the fire extinguisher 1 is pressed downwards, so that the supporting component 200 drives the lifting adjusting block 400 to move downwards, at the moment, the guide rod 422 is positioned in the groove cavity of the first groove 511 of the second part, when the lifting adjusting block 400 drives the short rod 421 to move downwards and the locking block 140 touches, the arc-shaped end of the short rod 421 is contacted with the wall of the fourth hole 141, the short rod 421 is driven to extrude the second spring 424, the guide rod 422 moves towards the middle protruding part of the first groove 511 of the second part and the second groove 512, at the moment, one end of the short rod 421 is contacted with the inner wall of the fourth hole 141, and when the supporting component 200 continues to drive the lifting adjusting block 400 to move downwards, the locking rod 420 slides into the groove cavity of the limiting hole 142, the guide rod 422 slides into the groove cavity of the second groove 511 of the second groove 512 from the middle protruding part of the second groove 511, and the locking rod 420 is matched with the locking block 140 to lock the lifting adjusting block 400, so that the first clamping block 10 and the second clamping block 20 clamp 1 are clamped. When the guide rod 422 slides to the cavity of the second slot 512, the short rod 421 slides to the deeper part of the limiting hole 142, and when the guide rod 422 slides to the cavity of the first slot 511, the short rod 421 is positioned in the middle part of the limiting hole 142. The lower end of the groove cavity of the limiting hole 142 is stepped, so that when the fire extinguisher 1 is pressed down continuously, the short rod 421 slides from the deeper part of the limiting hole 142 to the middle part of the limiting hole 142. When the fire extinguisher 1 is pushed down and the short rod 421 is driven to slide from the deeper part of the limit hole 142 to the middle part of the limit hole 142, the guide rod 422 slides from the second groove 512 to the groove cavity of the first groove 511, then the fire extinguisher 1 is released, the spring one 130 drives the support assembly 200 to move upwards, the support assembly 200 drives the lifting adjusting block 400 to move upwards, when the lifting adjusting block 400 moves upwards, one end of the short rod 421 is driven to contact with the upper end side wall of the limit hole 142 and drives the short rod 421 to squeeze the spring two 424, meanwhile, the guide rod 422 slides from the groove cavity of the first groove 511 to the middle protruding part of the first groove 511 and the second groove 511, when the short rod 421 slides out of the groove cavity of the fourth groove 141, the guide rod 422 slides from the middle protruding part of the first groove 511 and the second groove one 511 to the groove cavity of the second groove one 511, and the guide rod 422 slides reciprocally in the middle part of the guide ring 510.

The L-shaped supporting block 100 is an L-shaped block, the lower end of the L-shaped supporting block 100 is provided with a supporting component 200 for supporting the fire extinguisher 1, the supporting component 200 comprises a supporting plate 210, one end of the supporting plate 210 is provided with a second hole 212 for limiting the supporting component 200 in cooperation with the limiting rod 150, and the middle part of the supporting plate 210 is fixedly provided with a supporting plate 211 for supporting the fire extinguisher 1. The lower end of the support assembly 200 is mounted with a first spring 130 for controlling the support assembly 200 to return. The transmission rod II 300 for controlling the transmission rod II 30 to rotate is arranged in the L-shaped supporting block 100, the transmission rod II 300 comprises a long rod 310, a spiral groove III 312 for controlling the transmission rod II 300 to rotate is formed in the lower end of the long rod 310 in a matched mode, the lifting adjusting block 400 is matched with the spiral groove III 312, and when the lifting adjusting block 400 moves up and down at the spiral groove III 312, the fixing block 411 slides in a groove cavity of the spiral groove III 312 and drives the long rod 310 to synchronously rotate. The upper end of the long rod 310 is fixedly provided with a second conical tooth 311 which is meshed with the first conical tooth 33, so that when the lifting adjusting block 400 controls the long rod 310 to rotate, the long rod 310 drives the second conical tooth 311 to rotate, the second conical tooth 311 is meshed with the first conical tooth 33, the transmission rod 30 is driven to rotate, and the first clamping block 10 and the second clamping block 20 are controlled to clamp the fire extinguisher 1.

One end fixedly connected with of supporting component 200 is used for controlling transfer line two 300 pivoted lift regulating block 400, the hole three 410 that is used for supplying stock 310 to stretch out and draw back is offered at the middle part of lift regulating block 400, the inner wall fixed mounting of hole three 410 has the fixed block 411 that is used for carrying out the slip at the groove chamber of helical groove three 312, the locking lever 420 that is used for cooperating locking piece 140 to lock lift regulating block 400 is all installed to the inside of lift regulating block 400, the spacing groove 430 that is used for carrying out spacing to locking lever 420 is offered to the inside of lift regulating block 400, locking lever 420 is including the quarter butt 421, the one end of quarter butt 421 sets up to semicircle shape block, the bore of the spacing hole 142 of quarter butt 421 business turn over of being convenient for. The upper end of the short rod 421 is fixedly provided with a guide rod 422 for adjusting the telescopic length of the short rod 421 in cooperation with the guide assembly 500, one end of the short rod 421 is provided with a telescopic rod 423 for stretching and retracting inside the short rod 421, and the outer part of the rod body of the telescopic rod 423 is sleeved with a second spring 424 for controlling the guide rod 422 to abut against the guide assembly 500, so that the guide rod 422 moves downwards in the groove I511 and the groove II 512 groove wall guide.

The upper end of the groove cavity of the limiting groove 430 is provided with a guide component 500 for adjusting the telescopic length of the locking rod 420, the guide component 500 comprises a guide ring 510, the upper end of the guide ring 510 is fixedly provided with a limiting ring 520 for limiting the guide ring 510, the inner wall of the guide ring 510 is provided with a first groove 511 for contacting with the guide rod 422, the inner wall of the guide ring 510 is provided with a second groove 512 for contacting with the guide rod 422, the depth of the second groove 512 is larger than that of the first groove 511, the first groove 511 is divided into a first groove 511 and a second groove 511, the guide rod 422 slides from the first groove 511 to the second groove 512, then slides from the second groove 512 to the first groove 511, and then slides from the first groove 511 to the second groove 511, so reciprocates, and through the arrangement of the lifting adjusting block 400 and the guide component 500, the clamping device 001 is matched with the supporting device 002 to rapidly install and detach the fire extinguisher 1.

Based on the above description and the drawings, one skilled in the art will be able to understand and practice the present utility model. Furthermore, any non-inventive modifications to the present utility model that would not be made by a person skilled in the art without the inventive effort would still fall within the scope of the present utility model.

Claims (8)

1. Fire extinguisher, including fire extinguisher (1), its characterized in that:

the upper end of the fire extinguisher (1) is provided with a clamping device (001) for clamping the fire extinguisher (1), and the lower end of the fire extinguisher (1) is provided with a supporting device (002) for supporting the fire extinguisher (1);

the clamping device (001) comprises a first clamping block (10), the clamping device (001) comprises a second clamping block (20) which is used for being matched with the first clamping block (10) to clamp the fire extinguisher (1), and the clamping device (001) comprises a first transmission rod (30) which is used for being matched with the supporting device (002) to control the first clamping block (10) and the second clamping block (20) to clamp the fire extinguisher (1);

the utility model provides a fire extinguisher, including clamping device (001), support device (002) is including being used for carrying out spacing L shape supporting shoe (100) to clamping device (001), L shape supporting shoe (100) are L shape block, supporting component (200) that are used for carrying out supporting fire extinguisher (1) are installed to the lower extreme of L shape supporting shoe (100), spring one (130) that are used for controlling supporting component (200) to reset are installed to the lower extreme of supporting component (200), the internally mounted of L shape supporting shoe (100) has and is used for controlling transfer line two (300) that transfer line one (30) carries out pivoted, the one end of supporting component (200) is connected with and is used for controlling transfer line two (300) and carries out pivoted lift regulating block (400), the internally mounted of L shape supporting shoe (100) has locking piece (140) that are used for cooperating lift regulating block (400) to lock supporting component (200).

2. A fire extinguisher as claimed in claim 1, wherein: the middle part of the transmission rod I (30) is provided with a conical tooth I (33) which is used for being matched with a transmission rod II (300) to control the transmission rod I (30) to rotate, one end of a rod body of the transmission rod I (30) is provided with a spiral groove I (31) which is used for controlling the first clamping block (10) to move, the other end of the rod body of the transmission rod I (30) is provided with a spiral groove II (32) which is used for controlling the second clamping block (20) to move, the screw directions of the spiral groove I (31) and the spiral groove II (32) are opposite, and the movement directions of the first clamping block (10) and the second clamping block (20) are opposite.

3. A fire extinguisher as claimed in claim 1, wherein: the utility model discloses a fire extinguisher, including L shape supporting shoe (100), internally mounted has gag lever post (150) that are used for carrying out spacing to supporting component (200), supporting component (200) are including backup pad (210), hole two (212) that are used for cooperation gag lever post (150) to carry out spacing to supporting component (200) are seted up to one end of backup pad (210), mid-mounting of backup pad (210) has supporting disk (211) that are used for carrying out the support to fire extinguisher (1).

4. A fire extinguisher as claimed in claim 1, wherein: the transmission rod II (300) comprises a long rod (310), a spiral groove III (312) for controlling the transmission rod II (300) to rotate by being matched with the lifting adjusting block (400) is formed in the lower end of the long rod (310), and a conical tooth II (311) for being meshed with the conical tooth I (33) is arranged at the upper end of the long rod (310).

5. A fire extinguisher as claimed in claim 1, wherein: the middle part of lift regulating block (400) has been seted up and has been used for supplying stock (310) to carry out flexible hole three (410), fixed block (411) that are used for carrying out gliding in the cell chamber of spiral groove three (312) are installed to the inner wall of hole three (410), locking lever (420) that are used for cooperating locking piece (140) to lock lift regulating block (400) are all installed to the inside of lift regulating block (400), limiting groove (430) that are used for carrying out spacing to locking lever (420) are seted up to the inside of lift regulating block (400), just guiding subassembly (500) are adjusted to the flexible length of locking lever (420) are installed to the cell chamber upper end of limiting groove (430).

6. A fire extinguisher as claimed in claim 5, wherein: the locking rod (420) comprises a short rod (421), a guide rod (422) used for adjusting the telescopic length of the lifting adjusting block (400) in cooperation with the guide assembly (500) is arranged at the upper end of the short rod (421), a telescopic rod (423) used for stretching out and drawing back in the short rod (421) is arranged at one end of the short rod (421), and a second spring (424) used for controlling the guide rod (422) to abut against the guide assembly (500) is sleeved outside the rod body of the telescopic rod (423).

7. A fire extinguisher as claimed in claim 5, wherein: the guide assembly (500) comprises a guide ring (510), a limiting ring (520) used for limiting the guide ring (510) is arranged at the upper end of the guide ring (510), a first groove (511) used for being in contact with the guide rod (422) is formed in the inner wall of the guide ring (510), a second groove (512) used for being in contact with the guide rod (422) is formed in the inner wall of the guide ring (510), and the depth of the second groove (512) is larger than that of the first groove (511).

8. A fire extinguisher as claimed in claim 1, wherein: the locking block (140) is internally provided with a fourth hole (141) for the lifting adjusting block (400) to stretch out and draw back, and the fourth hole (141) is internally provided with a limiting hole (142) for the short rod (421) to stretch out and draw back.