CN108525177A - A kind of fire-fighting lance - Google Patents
A kind of fire-fighting lance Download PDFInfo
- Publication number
- CN108525177A CN108525177A CN201810593360.5A CN201810593360A CN108525177A CN 108525177 A CN108525177 A CN 108525177A CN 201810593360 A CN201810593360 A CN 201810593360A CN 108525177 A CN108525177 A CN 108525177A
- Authority
- CN
- China
- Prior art keywords
- fire
- fighting lance
- lockable mechanism
- teeth portion
- gear wheel
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Abstract
The present invention provides a kind of fire-fighting lance, including fire-fighting lance ontology, the fire-fighting lance angle adjusting mechanism, the fire-fighting lance injector aid that adjust fire-fighting lance ontology shooting angle；Fire-fighting lance angle adjusting mechanism includes gear wheel, lockable mechanism, clutch；Gear wheel is fixedly connected with fire-fighting lance ontology；Lockable mechanism can be closer or far from gear wheel, and when lockable mechanism is close to gear wheel, lockable mechanism is engaged with gear wheel；Clutch is engaged with lockable mechanism, and clutch makes lockable mechanism switch between active state and stationary state；Fire-fighting lance injector aid is arranged at the exit portal of fire-fighting lance ontology, interconnected pressure inlet and exit tube are equipped in fire-fighting lance injector aid, the end of pressure inlet is connected to the exit portal of fire-fighting lance ontology, and the internal diameter of pressure inlet is less than the internal diameter of the internal diameter and exit tube of fire-fighting lance ontology exit portal.The shooting angle and operating status of fire-fighting lance ontology is adjusted in the fire-fighting lance of the present invention, and increases the range of fire-fighting lance.
Description
Technical field
The present invention relates to fire-fighting equipment technical field more particularly to a kind of fire-fighting lances.
Background technology
The angular adjustment of existing fire-fighting lance lacks the component that can fix fire-fighting lance angle or only using simple
Part（Screw thread etc.）Be fixed, angular adjustment and the fixed reliability of angle are low, and for increase range increase hydraulic pressure when,
The volume and quality of hydraulic giant are also required to accordingly increase, and keep the flexibility of hydraulic giant relatively low.
Therefore, the prior art could be improved and develop.
Invention content
The embodiment of the present invention provides a kind of fire-fighting lance, and the shooting angle and operating status of fire-fighting lance ontology is adjusted,
And the range of fire-fighting lance can be increased.
Technical scheme is as follows：
A kind of fire-fighting lance, wherein including fire-fighting lance ontology, fire-fighting lance injector aid, adjust the fire-fighting lance ontology angle of emergence
The fire-fighting lance angle adjusting mechanism of degree；
The fire-fighting lance angle adjusting mechanism includes gear wheel, lockable mechanism, clutch；The gear wheel and fire-fighting lance
Ontology connects；The lockable mechanism can be closer or far from gear wheel, when lockable mechanism is close to gear wheel, lockable mechanism and canine tooth
Wheel engagement；The clutch is engaged with lockable mechanism, and clutch makes lockable mechanism between active state and stationary state
Switching；
The fire-fighting lance injector aid is arranged at the exit portal of fire-fighting lance ontology, is equipped in fire-fighting lance injector aid mutual
The end of the pressure inlet and exit tube of connection, the pressure inlet is connected to the exit portal of fire-fighting lance ontology, the internal diameter of pressure inlet
Less than the internal diameter of the internal diameter and exit tube of fire-fighting lance ontology exit portal.
The fire-fighting lance, wherein mixing chamber is equipped between pressure inlet and exit tube, the internal diameter of the mixing chamber is big
In the internal diameter of pressure inlet, the stomata being connected to outside is equipped in mixing chamber inner sidewall.
The fire-fighting lance, wherein the fire-fighting lance angle adjusting mechanism further includes shell；The clutch packet
Include shaft, pinion gear, fixed teeth portion；One end of the shaft is fixedly connected with pinion gear；The fixed teeth portion is arranged in locking
The side of mechanism, fixed teeth portion are fixedly connected with the casing；The pinion gear is engaged with lockable mechanism, when pulling shaft is along its axis
When moving horizontally and pinion gear being made to be moved to fixed teeth portion, pinion gear is engaged with fixed teeth portion.
The fire-fighting lance, wherein the lockable mechanism includes latch, and the latch includes the first teeth portion, the
Two teeth portion, first teeth portion are engaged with pinion gear, and when latch is close to gear wheel, second teeth portion is nibbled with gear wheel
It closes.
The fire-fighting lance, wherein the lockable mechanism further includes guidance set, and the guidance set is lived with latch
Dynamic connection, and provide path for translation for latch.
The fire-fighting lance, wherein the guidance set includes the first positioning region, the second positioning region, and described first is fixed
Position portion is oppositely arranged with the second positioning region, and the latch is arranged between the first positioning region and the second positioning region.
The fire-fighting lance, wherein the lockable mechanism further includes locking spring, and locking spring setting is with the
The other end of the opposite latch of two teeth portion generates latch the elastic restoring force for being directed toward gear wheel.
The fire-fighting lance, wherein the clutch further includes brake spring, and the brake spring is arranged in small tooth
Between the side and inner walls of wheel, the elastic restoring force of fixed teeth portion is generated in the axial direction and is directed toward to pinion gear.
The fire-fighting lance, wherein the other end of the shaft is equipped with rotational handle.
The fire-fighting lance, wherein it is equipped with index dial in gear wheel side, it is opposite with index dial on the surface of shell
Position is equipped with display window.
Beneficial effects of the present invention：The present invention provides a kind of fire-fighting lance, passes through the ingenious of clutch and lockable mechanism
Cooperation, makes lockable mechanism switch between active state and stationary state, keeps the locking of gear wheel more reliable, enable fire-fighting lance
Switch between rotation status and stationary state, the shooting angle of flexible modulation fire-fighting lance；Pass through fire-fighting lance injector aid
Pressure inlet promotes the pressure and flow velocity of water column, and the range of water column is made to increase.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of fire-fighting lance angle adjusting mechanism of the present invention.
Fig. 2 is a kind of structural schematic diagram of fire-fighting lance ontology of the present invention and fire-fighting lance injector aid.
Fig. 3 is the sectional view of fire-fighting lance angle adjusting mechanism of the present invention.
Fig. 4 is the Local map of clutch and lockable mechanism in Fig. 3.
Fig. 5 is the clutch of Fig. 4 and the right view of lockable mechanism.
Fig. 6 is the stereogram of clutch and lockable mechanism.
Reference sign：100, gear wheel；110, interconnecting piece；120, index dial；130, display window；200, shell；
310, shaft；320, pinion gear；330, fixed teeth portion；340, brake spring；350, rotational handle；410, latch；411,
One teeth portion；412, the second teeth portion；421, the first positioning region；422, the second positioning region；430, locking spring；10, fire-fighting lance sheet
Body；11, exit portal；20, fire-fighting lance injector aid；21, pressure inlet；22, exit tube；23, mixing chamber；24, stomata.
Specific implementation mode
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, device is not indicated or implied the indicated or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term
" first ", " second " are used for description purposes only, and are not understood to indicate or imply relative importance or implicitly indicate meaning
The quantity of the technical characteristic shown.Define " first " as a result, the feature of " second " can explicitly or implicitly include one or
More described features of person.In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise clearly having
The restriction of body.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be to be electrically connected or can mutually communicate to be mechanical connection；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of the connection or two elements inside two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
As shown in Figure 1 to Figure 3, the present invention provides a kind of fire-fighting lance, including fire-fighting lance ontology 10, adjusting fire-fighting lance
Fire-fighting lance angle adjusting mechanism, the fire-fighting lance injector aid 20 of 10 shooting angle of ontology.
Fire-fighting lance angle adjusting mechanism includes gear wheel 100, lockable mechanism, clutch, shell 200.Gear wheel 100
It is fixedly connected with fire-fighting lance ontology 10；Lockable mechanism can be closer or far from gear wheel 100, when lockable mechanism is close to gear wheel
When 100, lockable mechanism is engaged with gear wheel 100；Clutch is engaged with lockable mechanism, and clutch makes lockable mechanism in activity
Switch between state and stationary state.
Fire-fighting lance injector aid 20 is arranged at the exit portal 11 of fire-fighting lance ontology 10, in fire-fighting lance injector aid 20
Equipped with interconnected pressure inlet 21 and exit tube 22, the end of the pressure inlet 21 and the exit portal 11 of fire-fighting lance ontology 10
Connection, the internal diameter of pressure inlet 21 are less than the internal diameter of the internal diameter and exit tube 22 of 10 exit portal 11 of fire-fighting lance ontology.
Specifically, the axis of pressure inlet 21 is overlapped with the axis of exit tube 22, the axis of exit portal 11 also with pressure inlet 21
Axis overlap；One end of pressure inlet 21 connects with exit portal 11, and the other end connects with exit tube 22.Due in pressure inlet 21
Diameter is less than the internal diameter of 10 exit portal 11 of fire-fighting lance ontology, and water column enters pressure inlet 21 from 10 exit portal 11 of fire-fighting lance ontology
When, pressure and flow velocity get a promotion, to increase the range of water column.
Further, mixing chamber 23, one end of the mixing chamber 23 and increasing are equipped between pressure inlet 21 and exit tube 22
Pressure pipe 21 is connected to, and the other end is connected to exit tube 22；The stomata 24 being connected to outside is equipped in 23 madial wall of mixing chamber, it is external empty
Gas can be entered by stomata 24 in mixing chamber 23.When water column enters mixing chamber 23 from pressure inlet 21, high speed water column can drive water
Directive exit tube 22, air form one layer of air cushion between water column and exit tube 22, can effectively reduce air around column together
Frictional force between 22 inner wall of water column and exit tube, reduce water column along journey energy loss, further increase the range of water column, outside
Portion's air is constantly supplemented in mixing chamber 23 from stomata 24 and is mixed with water column.Specifically, the internal diameter of mixing chamber 23 is more than pressure inlet
The madial wall in mixing chamber 23 is arranged in 21 internal diameter, stomata 24, and stomata 24 is connected to mixing chamber 23 and extraneous air.
As shown in Figures 4 to 6, clutch includes shaft 310, pinion gear 320, fixed teeth portion 330；The one of shaft 310
End is fixedly connected with pinion gear 320, and the other end of shaft 310 is located at the outside of shell 200, is equipped with rotational handle 350 on it,
Rotational handle 350 rotates convenient for manual rotation shaft 310 to control pinion gear 320, and convenient for pulling shaft 310 along its axis
Line moves horizontally, and pinion gear 320 thereon is made also to be moved along its axis horizontal；Fixed teeth portion 330 is arranged the one of lockable mechanism
Side, fixed teeth portion 330 are fixedly connected with shell 200, when pulling shaft 310 moved along its axis horizontal and make pinion gear 320 to
When fixed teeth portion 330 moves, pinion gear 320 can be engaged with fixed teeth portion 330.
Lockable mechanism includes latch 410, and latch 410 includes the first teeth portion 411, the second teeth portion 412.First teeth portion
411 engage with pinion gear 320, when shaft 310 is moved along its axis horizontal and pinion gear 320 is driven also to be moved along its axis horizontal
When, pinion gear 320 can be engaged only with the first teeth portion 411, can also be engaged simultaneously with the first teeth portion 411, fixed teeth portion 330, when small
When gear 320 is only engaged with the first teeth portion 411, rotary pinion 320, latch 410 can be along flat perpendicular to the direction of shaft 310
It moves, makes latch 410 closer or far from gear wheel 100；When latch 410 is close to gear wheel 100, the second teeth portion 412 with it is big
Gear 100 engages；When pinion gear 320 engage with the first teeth portion 411, fixed teeth portion 330 simultaneously, due to fixed teeth portion 330 with
Shell 200 is fixedly connected, and pinion gear 320 can not rotate, and prevents latch 410 from moving translation along the direction of vertical rotation axis 310,
Lockable mechanism is achieved between active state and stationary state to switch.Specifically, groove is equipped in latch 410, recessed
Slot inner wall is equipped with the first teeth portion 411 engaged with pinion gear 320, and pinion gear 320 can be moved along the first teeth portion 411 in groove,
Second teeth portion 412 is arranged in one end of latch 410, and the second teeth portion 412 is oppositely arranged with gear wheel 100.
Fire-fighting lance angle adjusting mechanism it is ingenious in design, disappeared by the mutual cooperation of lockable mechanism and clutch realization
The operating status of anti-hydraulic giant angle adjusting mechanism is adjustable, specifically, by pulling shaft 310 along axis, pinion gear 320 is made to protect
It holds and is only engaged with the first teeth portion 411, lockable mechanism is in the unlocked state at this time（That is active state, latch when rotating shaft 310
410 can along perpendicular to the direction of shaft 310 translation or latch 410 along moved perpendicular to 310 direction of shaft when drive shaft
310 rotations）, the shooting angle of fire-fighting lance ontology 10 can be adjusted by rotating gear wheel 100；It needs to lock fire-fighting lance ontology
When 10 angle, rotating shaft 310（Pinion gear 320 rotates）, the latch 410 that is engaged with pinion gear 320 is to 100 side of gear wheel
To movement until the second teeth portion 412 of latch 410 is engaged with gear wheel 100, gear wheel 100 can not rotate, and latch 410 is right
Gear wheel 100 plays locking, then pushes shaft 310 along axis, makes shaft 310 and pinion gear 320 along axis translation, pinion gear
320 translate to 330 direction of fixed teeth portion, and pinion gear 320 is made to be engaged with fixed teeth portion 330 close to the side of fixed teeth portion 330, small
Gear 320 maintains to engage with the first teeth portion 411 close to the side of the first teeth portion 411, since fixed teeth portion 330 and shell 200 are solid
Fixed connection, pinion gear 320 can not rotate, and latch 410 cannot move translation along the direction of vertical rotation axis 310, at this time locking machine
Structure is in lockup state（Stationary state）Even if gear wheel 100 has the tendency that latch 410 can not being driven along vertical if rotation
310 direction of shaft is left gear wheel 100 and is unlocked, and clutch makes the locking of latch 410 more may be used with lockable mechanism cooperation
It leans on.
Further, lockable mechanism further includes guidance set, and guidance set provides path for the translation of latch 410, makes
The translation of latch 410 is more stable.Guidance set includes the first positioning region 421, the second positioning region 422, the first positioning region 421 with
Second positioning region 422 is oppositely arranged, and latch 410 is arranged between the first positioning region 421 and the second positioning region 422, specifically,
The cross section of first positioning region 421 and the second positioning region 422 is concave structure, 421 concave knot of the first positioning region
The part that structure is recessed inwardly is opposite with the part that 422 concave structure of the second positioning region is recessed inwardly；Fixed teeth portion 330 is specific
It may be provided on the first positioning region 421 or the second positioning region 422, the first positioning region 421 and the second positioning region 422 are and shell
200 are fixedly connected.
Further, in order to keep the locking process of latch 410 more automatic, lockable mechanism further includes locking spring 430, lock
Only the other end in latch 410 is arranged in spring 430, and the elastic restoring force for being directed toward gear wheel 100, tool are generated to latch 410
Body, one end of locking spring 430 is connected to the other end of the latch 410 opposite with the second teeth portion 412, locking spring 430
The other end be connected to the inner wall of shell 200.In order to which the elastic restoring force for making latch 410 be subject to more balances, locking spring 430
Be set as two groups, two groups of locking springs 430 be arranged side by side the other end in the latch 410 opposite with the second teeth portion 412 with
Between 200 inner wall of shell.Since there is latch 410 in one end of locking spring 430 in the work for the power for pushing 100 direction of gear wheel to
With when lockable mechanism is in the unlocked state, the second teeth portion 412 of latch 410 has to become with what gear wheel 100 engaged always
Gesture.
Further, in order to keep locking/fixed effect between clutch and latch 410 more reliable, shaft 310 exists
It is not easy to reset in the axial direction when lockup state（In axial direction leave fixed teeth portion 330）, clutch further include from
Spring 340 is closed, brake spring 340 is arranged between 200 inner wall of the side of pinion gear 320 and shell, there is pinion gear 320 along axis
The elastic restoring force in line direction makes pinion gear 320 have the trend translated to 330 direction of fixed teeth portion, makes release rotational handle
When 350, pinion gear 320 moves under the effect of brake spring 340 to 330 direction of fixed teeth portion, makes pinion gear 320 while engagement is solid
Fixed tooth portion 330 and the first teeth portion 411 keep latch 410 locked；When needing to release the lockup state of latch 410, need gram
It takes elastic restoring force and pulls out rotational handle 350, pinion gear 320 is made to leave fixed teeth portion 330, lockup state releases, immediately
Rotational handle 350 can be rotated while holding rotational handle 350 outward, latch 410 can be along perpendicular to the side of axis
To translation.
When brake spring 340 and locking spring 430 are used in combination, when unclamping rotational handle 350, brake spring 340
It is acted on simultaneously with locking spring 430, locking spring 430 pushes latch 410 to be translated to gear wheel 100, while brake spring 340
Pinion gear 320 is pushed, makes pinion gear 320 that there is the trend moved to 330 direction of fixed teeth portion；Locking spring 430 pushes locking
For block 410 until the second teeth portion 412 is engaged with gear wheel 100,410 stop motion of latch, brake spring 340 also pushes pinion gear
320 move to fixed teeth portion 330, and pinion gear 320 is made to be engaged simultaneously with the first teeth portion 411, fixed teeth portion 330；100 quilt of gear wheel
410 locking of latch, latch 410 are locked up in pinion gear 320 under the cooperation of fixed teeth portion 330, and in brake spring 340
Under the action of, pinion gear 320 remains while being engaged with the first teeth portion 411, fixed teeth portion 330 that gear wheel 100 is in always
Lockup state, when the elastic restoring force of brake spring 340 only being overcome to pull out rotational handle 350, gear wheel 100 just has can
Locking can be released, locking effect is reliable.
Specifically, the shaft 310 of gear wheel 100 is connect with shell 200, and gear wheel 100 can be around the shaft of gear wheel 100
310 rotations, are equipped with the interconnecting piece 110 that connection is matched with fire-fighting lance ontology 10, in a kind of embodiment on gear wheel 100
In, interconnecting piece 110 extends outwardly along the diameter of gear wheel 100, and interconnecting piece 110 is and 10 matched tubulose knot of fire-fighting lance ontology
Structure, the internal diameter of tubular structure are more than the outer diameter of fire-fighting lance ontology 10, and interconnecting piece 110 is separate structure, along by tubular structure
Interconnecting piece 110 is divided into upper fixed part and lower movable part by the section of axis, and upper fixed part is fixedly connected with shell 200, lower activity
Portion is detachably connected with upper fixed part, and connection type can be screw thread connection, fire-fighting lance ontology 10 and interconnecting piece 110
When fixed, screw and lower movable part are disassembled from upper fixed part, fire-fighting lance ontology 10 is placed under upper fixed part
Side, lower movable part are placed on the lower section of fire-fighting lance ontology 10, fire-fighting lance ontology 10 are made to be located at upper fixed part and lower movable part
Between, upper fixed part and lower movable part are connected with screw, to which fire-fighting lance ontology 10 is fixed on interconnecting piece 110
On；The through-hole passed through for the water pipe of fire-fighting lance ontology 10 is additionally provided with below lower movable part.For ease of adjusting and interconnecting piece
The shooting angle of the fire-fighting lance ontology 10 of 110 connections, in a side surface of gear wheel 100, angled index dial is carved in setting
120, display window 130 is equipped on the position opposite with index dial 120 of the surface of shell 200.The maximal regulated angle of fire-fighting lance
Degree is up to 180 degree.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the present invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
In conclusion although the present invention is disclosed above with preferred embodiment, above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention is subject to the range that claim defines.
Claims (10)
1. a kind of fire-fighting lance, which is characterized in that including fire-fighting lance ontology, fire-fighting lance injector aid, adjust fire-fighting lance sheet
The fire-fighting lance angle adjusting mechanism of body shooting angle；
The fire-fighting lance angle adjusting mechanism includes gear wheel, lockable mechanism, clutch；The gear wheel and fire-fighting lance
Ontology connects；The lockable mechanism can be closer or far from gear wheel, when lockable mechanism is close to gear wheel, lockable mechanism and canine tooth
Wheel engagement；The clutch is engaged with lockable mechanism, and clutch makes lockable mechanism between active state and stationary state
Switching；
The fire-fighting lance injector aid is arranged at the exit portal of fire-fighting lance ontology, is equipped in fire-fighting lance injector aid mutual
The end of the pressure inlet and exit tube of connection, the pressure inlet is connected to the exit portal of fire-fighting lance ontology, the internal diameter of pressure inlet
Less than the internal diameter of the internal diameter and exit tube of fire-fighting lance ontology exit portal.
2. fire-fighting lance according to claim 1, which is characterized in that mixing chamber is equipped between pressure inlet and exit tube,
The internal diameter of the mixing chamber is more than the internal diameter of pressure inlet, and the stomata being connected to outside is equipped in mixing chamber inner sidewall.
3. fire-fighting lance according to claim 1, which is characterized in that the fire-fighting lance angle adjusting mechanism further includes shell
Body；The clutch includes shaft, pinion gear, fixed teeth portion；One end of the shaft is fixedly connected with pinion gear；It is described solid
Fixed tooth portion is arranged in the side of lockable mechanism, and fixed teeth portion is fixedly connected with the casing；The pinion gear is engaged with lockable mechanism, when
When pulling shaft to be moved along its axis horizontal and pinion gear being made to be moved to fixed teeth portion, pinion gear is engaged with fixed teeth portion.
4. fire-fighting lance according to claim 3, which is characterized in that the lockable mechanism includes latch, the locking
Block includes the first teeth portion, the second teeth portion, and first teeth portion is engaged with pinion gear, when latch is close to gear wheel, described the
Two teeth portion are engaged with gear wheel.
5. fire-fighting lance according to claim 4, which is characterized in that the lockable mechanism further includes guidance set, described
Guidance set is flexibly connected with latch, and provides path for translation for latch.
6. fire-fighting lance according to claim 5, which is characterized in that the guidance set includes the first positioning region, second
Positioning region, first positioning region are oppositely arranged with the second positioning region, and the latch setting is fixed with second in the first positioning region
Between the portion of position.
7. fire-fighting lance according to claim 4, which is characterized in that the lockable mechanism further includes locking spring, described
The other end in the latch opposite with the second teeth portion is arranged in locking spring, and the elasticity recovery for being directed toward gear wheel is generated to latch
Power.
8. fire-fighting lance according to claim 3, which is characterized in that the clutch further includes brake spring, described
Brake spring is arranged between the side and inner walls of pinion gear, is generated in the axial direction to pinion gear and is directed toward fixed teeth portion
Elastic restoring force.
9. fire-fighting lance according to claim 3, which is characterized in that the other end of the shaft is equipped with rotational handle.
10. fire-fighting lance according to claim 3, which is characterized in that index dial is equipped in gear wheel side, in shell
The surface position opposite with index dial is equipped with display window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810593360.5A CN108525177B (en) | 2018-06-11 | 2018-06-11 | Fire-fighting lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810593360.5A CN108525177B (en) | 2018-06-11 | 2018-06-11 | Fire-fighting lance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108525177A true CN108525177A (en) | 2018-09-14 |
| CN108525177B CN108525177B (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810593360.5A Active CN108525177B (en) | 2018-06-11 | 2018-06-11 | Fire-fighting lance |
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| CN (1) | CN108525177B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173129A (en) * | 2018-09-17 | 2019-01-11 | 刘光伟 | A kind of tunnel fire plant for being convenient for adjusting water spray angle |
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| CN208626486U (en) * | 2018-06-11 | 2019-03-22 | 广东广航科技有限公司 | A kind of fire-fighting lance |
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| CN109173129A (en) * | 2018-09-17 | 2019-01-11 | 刘光伟 | A kind of tunnel fire plant for being convenient for adjusting water spray angle |
| CN109173129B (en) * | 2018-09-17 | 2021-05-28 | 浙江中匠装饰材料有限公司 | Tunnel is with fire control unit who is convenient for adjust water spray angle |
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