CN204411545U - A kind of sealing breech block - Google Patents
A kind of sealing breech block Download PDFInfo
- Publication number
- CN204411545U CN204411545U CN201420869941.4U CN201420869941U CN204411545U CN 204411545 U CN204411545 U CN 204411545U CN 201420869941 U CN201420869941 U CN 201420869941U CN 204411545 U CN204411545 U CN 204411545U
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- CN
- China
- Prior art keywords
- fire
- rotating shaft
- gun barrel
- anchor ear
- breech block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to fire-fighting equipment technical field, discloses a kind of sealing breech block.Sealing breech block is arranged on fire-fighting gun barrel, in described fire-fighting gun barrel, the inner core that outer face is taper is installed, it is characterized in that, described breech block comprises the fixed head being arranged on fire-fighting gun barrel end face, described fixed head is provided with through hole, described through hole internal fixtion has connecting cylinder, the inner face of described connecting cylinder is set to skewed, described connecting cylinder internal clearance is combined with rotating shaft, described connecting cylinder is stretched out in described rotating shaft, the inner of described rotating shaft is fixed with the voussoir coordinated with the inner face of described connecting cylinder, the inner face of described rotating shaft is fixed with the seal cover coordinated with described fire-fighting gun barrel, described seal cover is provided with the conical surface coordinated with the tapered end face of described inner core.This breech block is mainly used in fire-fighting gun barrel, and this breech block structure is simple, and sealing effectiveness is good.
Description
Technical field
The utility model belongs to fire-fighting equipment technical field, particularly one sealing breech block.
Background technology
Forest extinguishing and high-rise fire extinguishing are the difficult problems that fire protection sector is badly in need of capturing.Forest fire have scope wide, spread rapidly, the not easily feature such as close, fire extinguishing environment is poor, resume combustion is high, fire-fighting equipment transport difficult, high level is put out a fire due to story height, is evacuated the features such as approach is few, personnel concentrate, fire hazard hidden danger is many, causes traditional extinguishing device cannot realize high efficiency, high-quality fire extinguishing at all.
Traditional extinguishing device mainly for small-sized, easily to stamp out a fire design; The extinguishing device adopted as most in high level fire extinguishing is hand extinguisher appliance, rotary hose, water mists spray system etc., but when fire occurs, the fire fighting device often in high level cannot use at all; During forest breaking out of fire, in a short period of time, the condition of a fire just can expand rapidly the degree that the mankind cannot be close to, and, forest physical features is complicated, large-scale fire-fighting fire-extinguishing equipment cannot be transported at all and specify place by fire extinguishing environment difference fire fighter timely, has usually affected best attack time adversely.
At present, use pneumatic type fire monitor can distance transmission fire control shell, implement fire fighting; The operation principle of pneumatic type fire monitor utilizes gases at high pressure (nitrogen) that extinguishing cannonball is released bore instantaneously with the initial velocity of setting, blast by high temperature or collision after shell is launched into the scene of a fire, the ultra-fine dry powder be filled in shell fills the air rapidly the whole scene of a fire, adopt physics, chemical two-way extinguishing mechanism, reach the object of quick extinguishing; But pneumatic type fire monitor needs good sealing that the air pressure in fire fighting gun tube just can be made to meet the requirements of height, thus more rapid and better fire control shell is transmitted into preposition; But in the pneumatic type fire monitor used now, the sealing device structure of the breech block position of fire-fighting gun barrel is complicated, and sealing effectiveness is not bery desirable.
Utility model content
The purpose of this utility model is to provide a kind of sealing breech block, and this breech block is mainly used in fire-fighting gun barrel, and this breech block structure is simple, and sealing effectiveness is good.
For reaching above-mentioned technical purpose, the utility model adopts following technical scheme to be achieved.
A kind of sealing breech block, be arranged on fire-fighting gun barrel, in described fire-fighting gun barrel, the inner core that outer face is taper is installed, it is characterized in that, described breech block comprises the fixed head being arranged on described fire-fighting gun barrel end face, described fixed head is provided with through hole, described through hole internal fixtion has connecting cylinder, the inner face of described connecting cylinder is set to skewed, described connecting cylinder internal clearance is combined with rotating shaft, described connecting cylinder is stretched out in described rotating shaft, the inner of described rotating shaft is fixed with the voussoir coordinated with the inner face of described connecting cylinder, the inner face of described rotating shaft is fixed with the seal cover coordinated with described fire-fighting gun barrel, described seal cover is provided with the conical surface coordinated with the tapered end face of described inner core.
Feature and further improvement of the technical program are:
The first spring is provided with between described seal cover and fixed head.
The conical surface of described seal cover is provided with sealing ring.
The external part of described rotating shaft is set to square, the end face of the external part of described rotating shaft is fixed with baffle plate, the external part matched in clearance of described rotating shaft has bipitch connecting rod, and the two ends of described bipitch connecting rod are fixed with handle, is provided with the second spring between described baffle plate and bipitch connecting rod.
Described fire-fighting gun barrel is fixed with anchor ear, described anchor ear is made up of front anchor ear, rear anchor ear two half, described front anchor ear, rear anchor ear are respectively in semi-annular shape, the two ends of described front anchor ear and the two ends of rear anchor ear form mounting ear separately respectively to outer bending, and the mounting ear at described front anchor ear two ends is connected with the second pivot pin correspondence respectively by the first pivot pin with the mounting ear at rear anchor ear two ends; The inner side of described fixed head is provided with the connecting plate vertical with fixed head, described connecting plate is provided with connecting through hole, described first pivot pin is run through in described connecting through hole, described second pivot pin runs through and has switch block, the left surface of described switch block is fixed with clamp, and described clamp is provided with inside folding surface, and described folding surface and fixed head are fitted, the lateral surface of described clamp is provided with spanner, is provided with the 3rd spring between the right-hand member of described switch block and fire-fighting gun barrel.
Sealing breech block of the present utility model, be provided with the moving component voussoir with tapered ramp, when rotating shaft, rotating shaft drives voussoir to rotate, voussoir is contacted no longer completely with the inclined-plane of connecting cylinder but highlight mutually against, ahead running in screwing operations achieves sealing, solves the sealing problem of the breech block position of fire-fighting gun barrel in pneumatic type fire monitor, the motion originally needing Liang Tao mechanism to realize just can be solved with a set of mechanism.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is a kind of structural representation sealing breech block of the present utility model;
Fig. 2 is that the voussoir in sealing breech block is rotated the rear structural representation realizing sealing;
In figure: 1, fire-fighting gun barrel; 2, inner core; 3, fixed head; 4, connecting cylinder; 5, rotating shaft; 6, voussoir; 7, seal cover; 8, the first spring; 9, sealing ring; 10, baffle plate; 11, bipitch connecting rod; 12, handle; 13, the second spring; 14, front anchor ear; 15, rear anchor ear; 16, the first pivot pin; 17, the second pivot pin; 18, connecting plate; 19 switch blocks; 20 clamps; 21 spanners; 22, the 3rd spring.
Detailed description of the invention
With reference to Fig. 1, it is a kind of structural representation sealing breech block of the present utility model, sealing breech block is arranged on fire-fighting gun barrel 1, the inner core 2 that outer face is taper is installed in fire-fighting gun barrel 1, this breech block comprises the fixed head 3 being arranged on fire-fighting gun barrel 1 end face, fixed head 3 is provided with through hole, through hole internal fixtion has connecting cylinder 4, the inner face of connecting cylinder 4 is set to skewed, connecting cylinder 4 internal clearance is combined with rotating shaft 5, connecting cylinder 4 is stretched out in rotating shaft 5, the inner of rotating shaft 5 is fixed with the voussoir 6 coordinated with the inner face of connecting cylinder 4, the inner face of rotating shaft 5 is fixed with the seal cover 7 coordinated with fire-fighting gun barrel 1, seal cover 7 is provided with the conical surface coordinated with the tapered end face of inner core 2.
The first spring 8 is provided with between seal cover 7 and fixed head 3.
The conical surface of seal cover 7 is provided with sealing ring 9, sealing breech block can be made to reach better sealing effectiveness.
The external part of rotating shaft 5 is set to square, the end face of the external part of rotating shaft 5 is fixed with baffle plate 10, the external part matched in clearance of rotating shaft 5 has bipitch connecting rod 11, and the two ends of bipitch connecting rod 11 are fixed with handle 12, is provided with the second spring 13 between baffle plate 10 and bipitch connecting rod 11.
Fire-fighting gun barrel 1 is fixed with anchor ear, anchor ear is made up of front anchor ear 14, rear anchor ear 15 liang of half, front anchor ear 14, rear anchor ear 15 are respectively in semi-annular shape, the two ends of front anchor ear 14 and the two ends of rear anchor ear 15 form mounting ear separately respectively to outer bending, and the mounting ear at front anchor ear 14 two ends should be connected 17 with the second pivot pin respectively by the first pivot pin 16 with the mounting ear at rear anchor ear 15 two ends; The inner side of fixed head 3 is provided with the connecting plate 18 vertical with fixed head 3, connecting plate 18 is provided with connecting through hole, the first pivot pin 16 is run through in connecting through hole, second pivot pin 17 runs through and has switch block 19, the left surface of switch block 19 is fixed with clamp 20, and clamp 20 is provided with inside folding surface, and folding surface and fixed head 3 are fitted, the lateral surface of clamp 20 is provided with spanner 21, is provided with the 3rd spring 22 between the right-hand member of switch block 19 and fire-fighting gun barrel 1.
The course of work of sealing breech block is: after fire control shell being loaded fire-fighting gun barrel 1, sealing breech block is closed on fire-fighting gun barrel 1, promoting spanner 21 makes clamp 20 snap on fixed head 3, sealing breech block is made to be fixed on fire-fighting gun barrel 1, and the 3rd spring 22 is now in compressive state, 3rd spring 22 has the tension force of elongation, and switch block 19 applied thrust given by the 3rd spring 22, prevents clamp 20 from loosening due to vibration; Promoting handle 12 makes rotating shaft 5 rotate, rotating shaft 5 drives voussoir 6 to rotate, voussoir 6 is contacted no longer completely with the inclined-plane of connecting cylinder 4 but highlight mutually against, thus promotion seal cover 7 coordinates completely with the tapered end face of inner core 2, realize sealing, and the first spring 8 now and the second spring 13 are all in compressive state, the first spring 8 and the second spring 13 have the tension force of elongation, seal cover 7 applied thrust given by first spring 8, prevents seal cover 7 from moving backward due to vibration; Bipitch connecting rod 11 applied thrust given by second spring 13, prevents bipitch connecting rod 11 and handle 12 from rocking due to vibration.
Sealing breech block of the present utility model, be provided with the moving component voussoir with tapered ramp, when rotating shaft, rotating shaft drives voussoir to rotate, voussoir is contacted no longer completely with the inclined-plane of connecting cylinder but highlight mutually against, ahead running in screwing operations achieves sealing, solves the sealing problem of the breech block position of fire-fighting gun barrel in pneumatic type fire monitor, the motion originally needing Liang Tao mechanism to realize just can be solved with a set of mechanism.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned specific embodiments and applications field, above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of description, and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, these all belong to the row of the utility model protection.
Claims (5)
1. a sealing breech block, be arranged on fire-fighting gun barrel, in described fire-fighting gun barrel, the inner core that outer face is taper is installed, it is characterized in that, described breech block comprises the fixed head being arranged on fire-fighting gun barrel end face, described fixed head is provided with through hole, described through hole internal fixtion has connecting cylinder, the inner face of described connecting cylinder is set to skewed, described connecting cylinder internal clearance is combined with rotating shaft, described connecting cylinder is stretched out in described rotating shaft, the inner of described rotating shaft is fixed with the voussoir coordinated with the inner face of described connecting cylinder, the inner face of described rotating shaft is fixed with the seal cover coordinated with described fire-fighting gun barrel, described seal cover is provided with the conical surface coordinated with the tapered end face of described inner core.
2. one sealing breech block according to claim 1, is characterized in that, be provided with the first spring between described seal cover and fixed head.
3. one sealing breech block according to claim 1, is characterized in that, the conical surface of described seal cover is provided with sealing ring.
4. one sealing breech block according to claim 1, it is characterized in that, the external part of described rotating shaft is set to square, the end face of the external part of described rotating shaft is fixed with baffle plate, the external part matched in clearance of described rotating shaft has bipitch connecting rod, the two ends of described bipitch connecting rod are fixed with handle, are provided with the second spring between described baffle plate and bipitch connecting rod.
5. one sealing breech block according to claim 1, it is characterized in that, described fire-fighting gun barrel is fixed with anchor ear, described anchor ear is made up of front anchor ear, rear anchor ear two half, described front anchor ear, rear anchor ear are respectively in semi-annular shape, the two ends of described front anchor ear and the two ends of rear anchor ear form mounting ear separately respectively to outer bending, and the mounting ear at described front anchor ear two ends is connected with the second pivot pin correspondence respectively by the first pivot pin with the mounting ear at rear anchor ear two ends; The inner side of described fixed head is provided with the connecting plate vertical with fixed head, described connecting plate is provided with connecting through hole, described first pivot pin is run through in described connecting through hole, described second pivot pin runs through and has switch block, the left surface of described switch block is fixed with clamp, and described clamp is provided with inside folding surface, and the lateral surface of described folding surface and fixed head is fitted, the lateral surface of described clamp is provided with spanner, is provided with the 3rd spring between the right-hand member of described switch block and fire-fighting gun barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869941.4U CN204411545U (en) | 2014-12-31 | 2014-12-31 | A kind of sealing breech block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869941.4U CN204411545U (en) | 2014-12-31 | 2014-12-31 | A kind of sealing breech block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204411545U true CN204411545U (en) | 2015-06-24 |
Family
ID=53461957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420869941.4U Expired - Fee Related CN204411545U (en) | 2014-12-31 | 2014-12-31 | A kind of sealing breech block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204411545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524726A (en) * | 2014-12-31 | 2015-04-22 | 西安新竹防灾救生设备有限公司 | Sealing breechblock |
-
2014
- 2014-12-31 CN CN201420869941.4U patent/CN204411545U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524726A (en) * | 2014-12-31 | 2015-04-22 | 西安新竹防灾救生设备有限公司 | Sealing breechblock |
| CN104524726B (en) * | 2014-12-31 | 2018-05-18 | 西安新竹防灾救生设备有限公司 | A kind of sealing breech block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20191231 |