CN111388919A - Universal portable fire extinguisher safety pin ejection device - Google Patents
Universal portable fire extinguisher safety pin ejection device Download PDFInfo
- Publication number
- CN111388919A CN111388919A CN202010274948.1A CN202010274948A CN111388919A CN 111388919 A CN111388919 A CN 111388919A CN 202010274948 A CN202010274948 A CN 202010274948A CN 111388919 A CN111388919 A CN 111388919A
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- Prior art keywords
- pin
- fire extinguisher
- hole
- pole
- dop
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- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005191 phase separation Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000003467 diminishing effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 210000003205 muscle Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention provides a safety pin ejection device of a general portable fire extinguisher, which comprises a lock pin assembly and a mounting hole arranged on a handle, wherein the lock pin assembly comprises two pin rods, one opposite ends of the two pin rods are inserted in the mounting hole, the two pin rods can form axial limit fit, the two pin rods are respectively provided with an operation part for relieving the limit fit between the two pin rods, and the pin rods are provided with elastic pieces for promoting the pin rods to be separated from the mounting hole. Aiming at the defects of the prior art, the invention provides a universal portable fire extinguisher safety pin ejection device which is more convenient to remove.
Description
Technical Field
The invention relates to a fire extinguisher safety pin ejection device.
Background
The portable fire extinguisher is a fire extinguishing device which is convenient to carry. The portable fire extinguisher is mainly used for emergency under the condition of sudden fire, is usually equipped in various public facilities and residential corridors in daily life, is gradually popularized to private vehicles and private residences along with the development of society and the portability of the portable fire extinguisher, and is convenient for people to kill dangers and cradle in time. The portable fire extinguisher generally comprises two handles which are hinged and matched and a lock pin assembly, wherein the two handles are opened/closed through folding/opening, a mounting hole is formed at the overlapping part of the two handles when the two handles are opened, the safety assembly is used for preventing the portable fire extinguisher from being opened mistakenly, the safety assembly comprises a pin rod which is arranged in the mounting hole in a penetrating mode, the two handles are limited through the pin rod, a lock head which is perpendicular to the extending direction of the mounting hole is arranged at one end of the pin rod in a penetrating mode, a user needs to pull out the lock head at one end of the pin rod in the operation process, then pull out the other end of the pin rod, and finally the two handles are folded to start the portable fire extinguisher.
However, since the ordinary user lacks experience in dealing with such an emergency and also lacks specific use experience of the portable fire extinguisher, the user is often in a busy state under a sudden fire, the operation sequence is disturbed, the pin rod cannot be pulled out in time, the time from a spark to complete runaway in a room is only a few minutes, the time from obvious fire to complete runaway is only a few tens of seconds, and irreparable loss can be caused by delayed time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a universal portable fire extinguisher safety pin ejection device which is more convenient to remove.
In order to achieve the purpose, the invention provides a safety pin ejection device of a general portable fire extinguisher, which comprises a lock pin assembly and a mounting hole arranged on a handle, wherein the lock pin assembly comprises two pin rods, one opposite ends of the two pin rods are inserted into the mounting hole, axial limit matching can be formed between the two pin rods, the other ends of the two pin rods are provided with operating parts used for releasing the limit matching between the two pin rods, and elastic parts with elastic compression are arranged between the operating parts and the handle.
The technical scheme has the advantages that: insert through two one ends and establish in the mounting hole and form spacing complex pin pole and form spacingly to the handle, prevent the maloperation, when using, through operating the operating portion, remove the spacing cooperation between two pin poles, make two pin poles deviate from the mounting hole by the elastic component that sets up elasticity compresses tightly between operating portion and handle, remove the pin pole spacing to the handle, simple structure is convenient for remove, guarantees to deal with emergency, reduces the time that delays.
The invention may further be arranged to: the two pin rods are respectively a first pin rod and a second pin rod, and the first pin rod is provided with an inner hole for the second pin rod to be inserted.
Through further setting up, the second pin pole is inserted and is established and form the radial spacing of formation to both in the hole of first pin pole, helps the stability of spacing cooperation between the two.
The invention may further be arranged to: the hole including the butt groove of its bottom of orientation gradual diminishing setting, the second pin pole can form interference fit with the butt groove.
Through further setting up, interference fit between butt joint groove and the second pin pole forms the spacing cooperation between first pin pole and the second pin pole, and just can make two pin poles deviate from to first pin pole/second pin pole application of force homoenergetic.
The invention may further be arranged to: the second pin rod comprises a plurality of convex ribs which are axially arranged at one end of the second pin rod, the convex ribs are annular, and the convex ribs are made of elastic materials.
Through further setting up, form interference fit by a plurality of protruding muscle and the butt groove of arranging on the second pin, and protruding muscle elasticity is the material, is convenient for when increasing the interference area installation between first pin and the second pin.
The invention may further be arranged to: the second pin rod is provided with a clamping block in a telescopic mode, a clamping groove capable of forming axial limiting with the clamping block is formed in the inner hole, guide surfaces are arranged on two sides of the clamping groove along the circumferential direction of the inner hole, and the guide surfaces can guide the clamping block to retract when the clamping block is pressed tightly.
Through further setting up, by the spacing cooperation that forms between first pin pole and the second pin pole of the axial between fixture block and the draw-in groove, when needs relieved insurance structure, rotate first pin pole/second pin pole, make the guide face that sets up in the draw-in groove both sides compress tightly on the fixture block, the guide fixture block is retracted, relieves the spacing cooperation between first pin pole and the second pin pole.
The invention may further be arranged to: the draw-in groove including with the flexible direction parallel arrangement's of fixture block butt face, and the butt face can laminate mutually with the fixture block, the butt face set up towards first round pin pole operation portion direction, the guide face set up towards draw-in groove bottom taper.
Through further setting, by laminating with the parallel butt face of the flexible direction of fixture block and form spacingly, make first round pin pole/second round pin pole can't be extracted by the axial, better emergence of avoiding the maloperation to by the guide face guide fixture block that diminishes towards the draw-in groove bottom is contract back, when guaranteeing emergency, can easily through rotating first round pin pole/second round pin pole, it is spacing between first round pin pole and the second round pin pole to relieve.
The invention may further be arranged to: be provided with the guide way on the inner wall of hole, guide way one end be connected with the guide face, the other end of guide way extends and the setting that diminishes towards the opening direction of hole.
Through further setting up, after rotating first pin pole/second pin pole to guide way, the guide way can be to the direction guide of first pin pole/second pin pole orientation first pin pole and the separation of second pin pole, and further convenient to use person breaks away from the mounting hole with first pin pole and second pin pole fast, removes insurance structure.
The invention may further be arranged to: the hole in be provided with radial flexible dop, the second pin pole on be provided with spacing lug and inclined plane, spacing lug set up in the one end department of second pin pole and can follow its endwise slip, first pin pole and second pin pole phase separation when spacing lug can form spacing cooperation with the dop, the dop setting on the motion path on inclined plane, and first pin pole can compress tightly on the dop and make its withdrawal when being close to with the second pin pole mutually.
Through further setting up, when pressing two operation portions, the inclined plane compresses tightly on the dop and impels its withdrawal, and later two pin rods receive the elastic force effect of elastic component, deviate from the mounting hole rapidly to when only pressing one of them, another pin rod can carry out the syntropy motion under the elastic force promotion of elastic component, make two pin rods together move towards a direction, effectively avoid the maloperation on the one hand, on the other hand guarantees that the insurance structure is convenient for remove.
The invention may further be arranged to: the hole in be provided with the mounting groove that supplies the dop holding, mounting groove bottom and dop between be provided with the spring, the dop including with inclined plane parallel arrangement's butt face.
By further providing, the abutting surface parallel to the inclined surface forms the abutting and pressing between the chuck and the inclined surface, and the abutting area between the chuck and the inclined surface is increased.
The invention may further be arranged to: the limiting convex block is formed by extending one end, facing the inner hole, of a sliding rod penetrating through the second pin rod, and the other end of the sliding rod is provided with a pressing part.
Through further setting, press the splenium through pressing, make spacing lug and inclined plane phase separation, two pin poles of being convenient for peg graft again and form spacing cooperation.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is an enlarged view of a portion a of FIG. 1 according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of example 2 of the present invention;
fig. 4 is a partially enlarged view of a first pin shaft in embodiment 2 of the present invention;
FIG. 5 is an enlarged partial view of a second pin shaft in embodiment 2 of the present invention;
FIG. 6 is a schematic structural view of example 3 of the present invention;
FIG. 7 is a partially enlarged view of the use state 1 of example 3 of the present invention;
fig. 8 is a partially enlarged view of the use state 2 of embodiment 3 of the present invention.
Detailed Description
An embodiment 1 of a safety structure of a portable fire extinguisher according to the present invention is shown in fig. 1-2: the locking device comprises a locking pin assembly 1 and a mounting hole 21 arranged on a handle 2, wherein the locking pin assembly 1 comprises two pin rods, the two pin rods are respectively a first pin rod 11 and a second pin rod 12, one opposite ends of the first pin rod 11 and the second pin rod 12 are inserted into the mounting hole 21, axial limit matching can be formed between the two pin rods, an operating part 3 used for releasing the limit matching between the two pin rods is arranged at the other end of each pin rod, the operating parts 3 are respectively an operating part 3a consisting of the first pin rod and an operating part 3b consisting of the second pin rod, the two operating parts 3 are both annular, and an elastic compressed elastic piece 4 is arranged between the operating part 3 and the handle 1. First pin pole 11 on be provided with the hole 111 that supplies second pin pole 12 to insert to establish, hole 111 including the butt groove 1111 towards its bottom taper setting, second pin pole 12 can form interference fit with butt groove 1111. The second pin rod 12 includes a plurality of ribs 121 axially arranged near one end thereof, the ribs 121 are annular, and the ribs 121 are made of elastic material.
An embodiment 2 of the safety structure of the portable fire extinguisher is shown in fig. 3-5, and the specific differences are as follows: the second pin rod 12 is provided with a clamping block 121 in a telescopic manner, the second pin rod 12 is provided with a groove 122 for accommodating the clamping block 121, a spring 123 is connected between the groove 122 and the second pin rod, the groove 122 is arranged to be gradually reduced towards the opening direction of the groove, so that the clamping block 121 is prevented from being disengaged, the inner hole 111 is provided with a clamping groove 112 capable of forming axial limiting with the clamping block 121, guide surfaces 1121 are arranged on two circumferential sides of the clamping groove 112 along the inner hole 111, and the guide surfaces 1121 can guide the clamping block 121 to retract when the clamping block 121 is pressed tightly. The engaging groove 112 includes an abutting surface 1122 parallel to the extending and retracting direction of the engaging block 121, the abutting surface 1122 is engageable with the engaging block 121, the abutting surface 1122 is disposed toward the operating portion 3a of the first pin 11, and the guide surface 1121 is disposed to be gradually reduced toward the bottom of the engaging groove 112. The inner wall of the inner hole 111 is provided with a guide groove 113, one end of the guide groove 113 is connected to the guide surface 1121, and the other end of the guide groove 113 extends toward the opening direction of the inner hole 111 and is gradually reduced.
An embodiment 3 of the safety structure of the portable fire extinguisher is shown in fig. 6-8, and the specific differences are as follows: hole 111 in be provided with radial flexible dop 5, second pin 12 on be provided with spacing lug 121 and inclined plane 122, spacing lug 121 set up in the one end department of second pin 12 and can follow the axial slip of second pin 12, first pin 11 and second pin 12 phase separation time limit lug 121 can form spacing cooperation with dop 5, dop 5 set up on the motion path of inclined plane 122, and inclined plane 122 can compress tightly on dop 5 and make its withdrawal when first pin 11 is close to mutually with second pin 12. The hole 111 in be provided with the mounting groove 112 that supplies dop 5 holding, mounting groove 112 bottom and dop 5 between be provided with spring 113, mounting groove 112 sets up in order to prevent that dop 5 from deviating from towards its opening direction taper, dop 5 including with inclined plane 122 parallel arrangement's butt face 51. The limit protrusion 121 is formed by extending a sliding rod 123 penetrating the second pin rod 12 toward one end of the inner hole 111, the other end of the sliding rod 123 is provided with a pressing portion 124, and the operating portion 3b is provided with a notch 31 for the pressing portion 123 to be inserted into.
The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a general portable fire extinguisher safety pin jettison device, includes lockpin subassembly and the mounting hole of setting on the handle, its characterized in that: the lock pin assembly comprises two pin rods, one opposite ends of the two pin rods are inserted into the mounting hole, axial limiting matching can be formed between the two pin rods, an operation portion used for removing the limiting matching between the two pin rods is arranged at the other end of each pin rod, and an elastic piece compressed elastically is arranged between the operation portion and the handle.
2. The versatile hand-held extinguisher safety pin ejector of claim 1, wherein: the two pin rods are respectively a first pin rod and a second pin rod, and the first pin rod is provided with an inner hole for the second pin rod to be inserted.
3. The versatile fire extinguisher safety pin ejector of claim 2, wherein: the hole including the butt groove of its bottom of orientation gradual diminishing setting, the second pin pole can form interference fit with the butt groove.
4. The versatile portable fire extinguisher safety pin ejector of claim 3, wherein: the second pin rod comprises a plurality of convex ribs which are axially arranged at one end of the second pin rod, the convex ribs are annular, and the convex ribs are made of elastic materials.
5. The versatile fire extinguisher safety pin ejector of claim 2, wherein: the second pin rod is provided with a clamping block in a telescopic mode, a clamping groove capable of forming axial limiting with the clamping block is formed in the inner hole, guide surfaces are arranged on two sides of the clamping groove along the circumferential direction of the inner hole, and the guide surfaces can guide the clamping block to retract when the clamping block is pressed tightly.
6. The versatile fire extinguisher safety pin ejector of claim 5, wherein:
the draw-in groove including with the flexible direction parallel arrangement's of fixture block butt face, and the butt face can laminate mutually with the fixture block, the butt face set up towards first round pin pole operation portion direction, the guide face set up towards draw-in groove bottom taper.
7. The versatile fire extinguisher safety pin ejector of claim 5 or 6, wherein: be provided with the guide way on the inner wall of hole, guide way one end be connected with the guide face, the other end of guide way extends and the setting that diminishes towards the opening direction of hole.
8. The versatile fire extinguisher safety pin ejector of claim 2, wherein: the hole in be provided with radial flexible dop, the second pin pole on be provided with spacing lug and inclined plane, spacing lug set up in the one end department of second pin pole and can follow its endwise slip, first pin pole and second pin pole phase separation when spacing lug can form spacing cooperation with the dop, the dop setting on the motion path on inclined plane, and first pin pole can compress tightly on the dop and make its withdrawal when being close to with the second pin pole mutually.
9. The versatile fire extinguisher safety pin ejector of claim 8, wherein: the hole in be provided with the mounting groove that supplies the dop holding, mounting groove bottom and dop between be provided with the spring, the dop including with inclined plane parallel arrangement's butt face.
10. The versatile fire extinguisher safety pin ejector of claim 8 or 9, wherein: the limiting convex block is formed by extending one end, facing the inner hole, of a sliding rod penetrating through the second pin rod, and the other end of the sliding rod is provided with a pressing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274948.1A CN111388919A (en) | 2020-04-09 | 2020-04-09 | Universal portable fire extinguisher safety pin ejection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274948.1A CN111388919A (en) | 2020-04-09 | 2020-04-09 | Universal portable fire extinguisher safety pin ejection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111388919A true CN111388919A (en) | 2020-07-10 |
Family
ID=71417507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010274948.1A Pending CN111388919A (en) | 2020-04-09 | 2020-04-09 | Universal portable fire extinguisher safety pin ejection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111388919A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115569327A (en) * | 2022-09-30 | 2023-01-06 | 马鞍山市惠安消防安全设备有限公司 | Quick unblock has withstand voltage type fire extinguisher of mistake proofing function of touching |
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|---|---|---|---|---|
| CN2106933U (en) * | 1990-12-31 | 1992-06-10 | 上海星光螺丝厂 | Combinated rivet |
| KR200240327Y1 (en) * | 2001-03-22 | 2001-10-08 | 심재길 | structure for seal a safety pin of a fire extinguisher |
| KR200334185Y1 (en) * | 2003-08-19 | 2003-11-21 | 김한진 | Sealing structure of fire extinguisher |
| KR100659772B1 (en) * | 2005-12-14 | 2006-12-19 | 허완규 | A fire extinguisher for education |
| CN201129348Y (en) * | 2007-12-07 | 2008-10-08 | 重庆宗申技术开发研究有限公司 | Connecting rivet and connecting structure of cladding element |
| CN104912890A (en) * | 2015-06-05 | 2015-09-16 | 无锡安欣达科技有限公司 | Inset type combined rivet |
| CN206942430U (en) * | 2017-06-23 | 2018-01-30 | 东风商用车有限公司 | A kind of battery cover cover locking device |
| CN107989313A (en) * | 2017-11-30 | 2018-05-04 | 佛山市博思通信息技术有限公司 | A kind of bolt-type composite decorating board and its supporting combined wall board |
| CN109395286A (en) * | 2018-12-05 | 2019-03-01 | 迟家宁 | It is a kind of to realize that fire extinguisher meets open fire self-starting device using ball and elastic module |
| CN212327256U (en) * | 2020-04-09 | 2021-01-12 | 浙江安防职业技术学院 | Universal portable fire extinguisher safety pin ejection device |
-
2020
- 2020-04-09 CN CN202010274948.1A patent/CN111388919A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2106933U (en) * | 1990-12-31 | 1992-06-10 | 上海星光螺丝厂 | Combinated rivet |
| KR200240327Y1 (en) * | 2001-03-22 | 2001-10-08 | 심재길 | structure for seal a safety pin of a fire extinguisher |
| KR200334185Y1 (en) * | 2003-08-19 | 2003-11-21 | 김한진 | Sealing structure of fire extinguisher |
| KR100659772B1 (en) * | 2005-12-14 | 2006-12-19 | 허완규 | A fire extinguisher for education |
| CN201129348Y (en) * | 2007-12-07 | 2008-10-08 | 重庆宗申技术开发研究有限公司 | Connecting rivet and connecting structure of cladding element |
| CN104912890A (en) * | 2015-06-05 | 2015-09-16 | 无锡安欣达科技有限公司 | Inset type combined rivet |
| CN206942430U (en) * | 2017-06-23 | 2018-01-30 | 东风商用车有限公司 | A kind of battery cover cover locking device |
| CN107989313A (en) * | 2017-11-30 | 2018-05-04 | 佛山市博思通信息技术有限公司 | A kind of bolt-type composite decorating board and its supporting combined wall board |
| CN109395286A (en) * | 2018-12-05 | 2019-03-01 | 迟家宁 | It is a kind of to realize that fire extinguisher meets open fire self-starting device using ball and elastic module |
| CN212327256U (en) * | 2020-04-09 | 2021-01-12 | 浙江安防职业技术学院 | Universal portable fire extinguisher safety pin ejection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115569327A (en) * | 2022-09-30 | 2023-01-06 | 马鞍山市惠安消防安全设备有限公司 | Quick unblock has withstand voltage type fire extinguisher of mistake proofing function of touching |
| CN115569327B (en) * | 2022-09-30 | 2023-10-27 | 马鞍山市惠安消防安全设备有限公司 | Quick unlocking pressure-resistant fire extinguisher with error touch prevention function |
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