CN107715348B - Fire-fighting lance - Google Patents
Fire-fighting lance Download PDFInfo
- Publication number
- CN107715348B CN107715348B CN201710830580.0A CN201710830580A CN107715348B CN 107715348 B CN107715348 B CN 107715348B CN 201710830580 A CN201710830580 A CN 201710830580A CN 107715348 B CN107715348 B CN 107715348B
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- CN
- China
- Prior art keywords
- hole
- wall
- sleeved
- fixed
- shaft
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims 2
- 238000005507 spraying Methods 0.000 abstract 2
- 239000007921 spray Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire-fighting lance, which comprises a lance body, wherein a taper hole and a round hole are formed in the lance body, a frustum is sleeved in the taper hole, a plurality of small holes communicated with the taper hole and the round hole are formed in the frustum, an adjusting rod is fixed on the rear side of the frustum, the adjusting rod is inserted and sleeved on a sealing cover, and the sealing cover is fixed on the end surface of the rear side of the round hole; an adjusting knob is fixed at the rear end of the adjusting rod; the rear end of the gun body is fixed with a rectangular plate, the rectangular plate is hinged in a rectangular groove of the rotating platform, the lower end of the rectangular plate is inserted and sleeved in a half gear, the half gear is meshed with a rack, the rack is inserted and sleeved in the rectangular groove, the rack is provided with a fastening mechanism, and the lower end of the rotating platform is inserted and sleeved on a fixed rod. The water flow can be adjusted, the gun body can freely rotate at multiple angles, multi-angle spraying is met, meanwhile, the gun body can be fixed at one angle, and angle spraying of specific requirements is met.
Description
The technical field is as follows:
the invention relates to the technical field of fire-fighting equipment, in particular to a fire-fighting lance.
Background art:
the fire-fighting lance is the water jetting tool who puts out a fire, is connected with the hosepipe with it and can sprays intensive abundant rivers, and the fire-fighting lance can produce great pressure at the in-process that sprays water for the quick consumption physical power of fireman needs many firemen to control just can effectually put out a fire work to the fire-fighting lance, and the appearance of fire-fighting lance support, this problem has effectually been solved. Most supports and fire-fighting lances are split at present, and the supports and the fire-fighting lances need to be mounted and dismounted when in use, so that time is wasted, the spray angles of the fire-fighting lances cannot be conveniently adjusted by a plurality of supports, and the fire-fighting lances are inconvenient to use.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide a fire-fighting lance, which can adjust the size of water flow, can freely rotate at multiple angles, meets the requirement of multiple-angle injection, can fix the lance at one angle, meets the requirement of specific-required angle injection, greatly reduces the physical consumption of firemen, and improves the fire-fighting efficiency.
The scheme for solving the technical problems is as follows:
a fire-fighting lance comprises a lance body, wherein a taper hole and a round hole which are communicated are formed in the lance body, a water inlet connecting pipe communicated with the round hole is formed on the outer wall of the right side of the rear end of the lance body, a frustum is sleeved in the taper hole, a plurality of small holes communicated with the taper hole and the round hole are formed in the frustum, an adjusting rod is fixed on the rear side of the frustum, the adjusting rod is inserted and sleeved on a sealing cover, and the sealing cover is fixed on the end face of the rear side of the round hole; an adjusting knob is fixed on the rear extending end of the adjusting rod penetrating through the sealing cover; the gun is characterized in that a rectangular plate is fixed on the outer wall of the lower side of the rear end of the gun body and hinged in a rectangular groove of the rotating table, a lower end of the rectangular plate is sleeved in a half gear, the half gear is meshed with a rack, the rack is sleeved in the rectangular groove, the rack is provided with a fastening mechanism, and the lower end of the rotating table is sleeved on a fixed rod.
A rotating hole is formed at the lower end of the rotating table, a pin hole perpendicular to the rotating hole is formed in the inner wall of one side of the rotating hole, a pin shaft is sleeved in the pin hole, a ring groove with a semicircular section is formed at the upper end of the fixing rod, and the pin shaft is pressed on the outer wall of the ring groove; and two ends of the pin shaft are respectively screwed with a limiting part, the limiting parts are conical, and the conical walls of the limiting parts are pressed against the outer wall of the rotating table.
The outer wall of the adjusting rod is sleeved with a shaft seal, the shaft seal is arranged in a shaft seal hole formed in a sealing cover, the shaft seal is provided with a retaining ring, and the retaining ring is sleeved in a retaining ring groove on the inner wall of the shaft seal hole; the rear side wall of the sealing cover is provided with a threaded hole communicated with the shaft sealing hole in a forming mode, the outer wall of the rear end of the adjusting rod is provided with outer wall threads in a forming mode, and the outer wall threads are in threaded connection with the threaded hole.
The rectangular plate is characterized in that a short shaft is fixed on each of the left side wall and the right side wall of the rectangular plate, inserting holes are formed in the two side walls of the rectangular groove, and the short shafts are inserted in the inserting holes in a sleeved mode.
An inverted T-shaped block is fixed on the lower bottom surface of the rack, the inverted T-shaped block is inserted in an inverted T-shaped groove of the rotating table in a sleeved mode, a rectangular hole with an opening at the lower side is formed in the inverted T-shaped block, an elongated slot is formed in the right side wall of the rectangular hole, the fastening mechanism comprises a pull rod inserted in the elongated slot in a sleeved mode, a stop block is fixed to the left end of the pull rod and pressed against the right side wall of the rectangular hole, the right end of the pull rod is fixedly connected with a spline shaft, the spline shaft is fixedly connected with a screw, and the screw is in threaded connection with a knurled nut; the right side wall of the inverted T-shaped groove is formed with a step through hole, the pull rod is inserted in the left small hole of the step through hole in a sleeved mode, the spline shaft is inserted in the middle spline hole of the step through hole in a sleeved mode, and the knurled nut is hinged in the right large hole of the step through hole through a bearing.
The invention has the following outstanding effects: compared with the prior art, it can adjust the size of rivers, and its rifle body can multi-angle free rotation, satisfies the multi-angle and sprays, can fix the rifle body at an angle simultaneously, satisfies the angle of specific needs and sprays, and it not only great reduction firefighter's physical demands, and improved fire extinguishing efficiency.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken about A-A;
FIG. 4 is a cross-sectional view of FIG. 3 taken about B-B;
fig. 5 is a partially enlarged view of fig. 3 about C.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 5, a fire-fighting lance includes a lance body 1, a tapered hole 101 and a circular hole 102 which are communicated with each other are formed inside the lance body 1, a water inlet connection pipe 11 communicated with the circular hole 102 is formed on the right outer wall of the rear end of the lance body 1, a frustum 21 is sleeved in the tapered hole 101, a plurality of small holes 211 communicating the tapered hole 101 and the circular hole 102 are formed on the frustum 21, an adjusting rod 22 is fixed on the rear side of the frustum 21, the adjusting rod 22 is inserted and sleeved on a sealing cover 12, and the sealing cover 12 is fixed on the rear end face of the circular hole 102; an adjusting knob 23 is fixed on the rear extending end of the adjusting rod 22 passing through the sealing cover 12; be fixed with rectangular plate 13 on the downside outer wall of the rear end of rifle body 1, rectangular plate 13 articulates in the rectangular channel 301 of revolving stage 3, and the lower extreme plug bush of rectangular plate 13 is in half gear 41, and half gear 41 meshes with rack 42, and the rack 42 plug bush is in rectangular channel 301, rack 42 is equipped with fastening device, and the lower extreme plug bush of revolving stage 3 is on dead lever 5.
More specifically, a rotating hole 302 is formed at the lower end of the rotating platform 3, a pin hole 303 perpendicular to the rotating hole 302 is formed in the inner wall of one side of the rotating hole 302, a pin shaft 31 is sleeved in the pin hole 303, a circular groove 501 with a semicircular cross section is formed at the upper end of the fixing rod 5, and the pin shaft 31 is pressed against the outer wall of the circular groove 501; the two ends of the pin 31 are respectively screwed with a limiting piece 32, the limiting pieces 32 are conical, and the conical walls of the limiting pieces 32 are pressed against the outer wall of the rotating table 3.
Furthermore, a shaft seal 23 is sleeved on the outer wall of the adjusting rod 22, the shaft seal 23 is arranged in a shaft seal hole 121 formed in the sealing cover 12, the shaft seal 23 is provided with a retainer ring 24, and the retainer ring 24 is sleeved in a retainer ring groove on the inner wall of the shaft seal hole 121; a threaded hole 122 communicated with the shaft seal hole 121 is formed in the rear side wall of the sealing cover 12, an outer wall thread 221 is formed on the outer wall of the rear end of the adjusting rod 22, and the outer wall thread 221 is screwed in the threaded hole 122.
Furthermore, the left and right side walls of the rectangular plate 13 are respectively fixed with a short shaft 14, the two side walls of the rectangular groove 301 are formed with insertion holes 304, and the short shafts 14 are inserted and sleeved in the insertion holes 304.
Furthermore, an inverted T-shaped block 43 is fixed on the lower bottom surface of the rack 42, the inverted T-shaped block 43 is inserted into the inverted T-shaped groove 305 of the rotary table 3, a rectangular hole 431 with an opening at the lower side is formed on the inverted T-shaped block 43, an elongated slot 432 is formed on the right side wall of the rectangular hole 431, the fastening mechanism comprises a pull rod 44 inserted into the elongated slot 432, a stopper 45 is fixed at the left end of the pull rod 44, the stopper 45 is pressed against the right side wall of the rectangular hole 431, the right end of the pull rod 44 is fixedly connected with a spline shaft 46, the spline shaft 46 is fixedly connected with a screw 47, and the screw 47 is screwed on the knurled nut 48; a step through hole 306 is formed in the right side wall of the inverted T-shaped groove 305, the pull rod 44 is inserted and sleeved in a small hole in the left side of the step through hole 306, the spline shaft 46 is inserted and sleeved in a middle spline hole 3061 of the step through hole 306, and the knurled nut 48 is hinged in a large hole in the right side of the step through hole 306 through a bearing 49.
The working principle is as follows: fixing the fixed rod 5 on a fixed seat of an external environment, connecting the water inlet connecting pipe 11 with a fire hose of the external environment, and ejecting water flow from the mouth of the gun body 1 through the water inlet connecting pipe 11, the round hole 102, the small hole 211 of the frustum 21 and the taper hole 101; the adjusting button 23 is rotated, the position of the frustum 21 can be adjusted through the adjusting rod 22, the frustum 21 moves forwards, the distance between the outer wall of the frustum 21 and the inner wall of the taper hole 101 is reduced, and the flow of water can be reduced, on the contrary, the frustum 21 moves backwards, the distance between the outer wall of the frustum 21 and the inner wall of the taper hole 101 is increased, and the flow of water can be reduced and increased; the gun body 1 is held by hand, the gun body 1 can rotate on the rotating platform 3 around the short shaft 14, meanwhile, the rotating platform 3 can rotate on the fixed rod 5, the fixed rod 5 can bear most of the gravity of the gun body 1, water and the like, and the physical consumption of firemen is reduced; when the gun body 1 rotates on the rotating platform 3 around the short shaft 14, the half gear 41 drives the rack 42 to move forwards or backwards, and when the gun body 1 needs to be fixed at an angle, the knurled nut 48 is rotated, the knurled nut 48 tightly presses the stop block 45 on the right side wall of the rectangular hole 431 through the screw rod 47, the spline shaft 46 and the pull rod 44, the inverted T-shaped block 43 is fixed, and the gun body 1 is fixed through the rack 42 and the half gear 41.
The above embodiments are only for illustrating the present invention, and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions also fall into the scope of the present invention, and the scope of the present invention should be limited by the claims.
Claims (3)
1. The utility model provides a fire-fighting lance, includes the rifle body (1), the inside shaping of the rifle body (1) has communicating taper hole (101) and round hole (102), the shaping has on the right side outer wall of the rear end of the rifle body (1) and takes over (11), its characterized in that with the communicating water intake of round hole (102): a frustum (21) is sleeved in the conical hole (101), a plurality of small holes (211) communicating the conical hole (101) with the round hole (102) are formed in the frustum (21), an adjusting rod (22) is fixed on the rear side of the frustum (21), the adjusting rod (22) is sleeved on the sealing cover (12) in an inserting mode, and the sealing cover (12) is fixed on the end face of the rear side of the round hole (102); an adjusting knob is fixed on the rear extending end of the adjusting rod (22) which penetrates through the sealing cover (12); a rectangular plate (13) is fixed on the outer wall of the lower side of the rear end of the gun body (1), the rectangular plate (13) is hinged in a rectangular groove (301) of the rotating platform (3), the lower end of the rectangular plate (13) is inserted and sleeved in a half gear (41), the half gear (41) is meshed with a rack (42), the rack (42) is inserted and sleeved in the rectangular groove (301), a fastening mechanism is arranged on the rack (42), and the lower end of the rotating platform (3) is inserted and sleeved on the fixing rod (5);
the left side wall and the right side wall of the rectangular plate (13) are respectively fixed with a short shaft (14), two side walls of the rectangular groove (301) are formed with insertion holes (304), and the short shafts (14) are inserted in the insertion holes (304);
an inverted T-shaped block (43) is fixed on the lower bottom surface of the rack (42), the inverted T-shaped block (43) is inserted in an inverted T-shaped groove (305) of the rotating table (3), a rectangular hole (431) with an opening at the lower side is formed in the inverted T-shaped block (43), a long groove (432) is formed in the right side wall of the rectangular hole (431), the fastening mechanism comprises a pull rod inserted in the long groove (432), a stop block (45) is fixed at the left end of the pull rod, the stop block (45) is pressed on the right side wall of the rectangular hole (431), the right end of the pull rod is fixedly connected with a knurled shaft (46), the splined shaft (46) is fixedly connected with a screw rod (47), and the screw rod (47) is screwed on a nut (48); a step through hole (306) is formed in the right side wall of the inverted T-shaped groove (305), the pull rod is inserted in the left side small hole of the step through hole (306), the spline shaft (46) is inserted in the middle spline hole (3061) of the step through hole (306), and the knurled nut (48) is hinged in the right side large hole of the step through hole (306) through a bearing (49).
2. A fire-fighting lance as defined in claim 1, wherein: a rotating hole (302) is formed at the lower end of the rotating platform (3), a pin hole (303) which is perpendicular to the rotating hole (302) is formed in the inner wall of one side of the rotating hole (302), a pin shaft (31) is sleeved in the pin hole (303), a ring groove (501) with a semicircular section is formed at the upper end of the fixing rod (5), and the pin shaft (31) is pressed against the outer wall of the ring groove (501); the two ends of the pin shaft (31) are respectively screwed with a limiting piece (32), the limiting pieces (32) are conical, and the conical wall of each limiting piece (32) is pressed against the outer wall of the rotating table (3).
3. A fire-fighting lance as defined in claim 1, wherein: the outer wall of the adjusting rod (22) is sleeved with a shaft seal, the shaft seal is arranged in a shaft seal hole (121) formed in the sealing cover (12), the shaft seal is provided with a retaining ring (24), and the retaining ring (24) is sleeved in a retaining ring groove on the inner wall of the shaft seal hole (121); a threaded hole (122) communicated with the shaft sealing hole (121) is formed in the rear side wall of the sealing cover (12), an outer wall thread (221) is formed in the outer wall of the rear end of the adjusting rod (22), and the outer wall thread (221) is screwed in the threaded hole (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830580.0A CN107715348B (en) | 2017-09-15 | 2017-09-15 | Fire-fighting lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830580.0A CN107715348B (en) | 2017-09-15 | 2017-09-15 | Fire-fighting lance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107715348A CN107715348A (en) | 2018-02-23 |
| CN107715348B true CN107715348B (en) | 2020-08-04 |
Family
ID=61206296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710830580.0A Expired - Fee Related CN107715348B (en) | 2017-09-15 | 2017-09-15 | Fire-fighting lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107715348B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704232A (en) * | 2018-08-06 | 2018-10-26 | 山东易阳消防车辆装备有限公司 | A kind of unattended intelligent fire robot |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2345329A1 (en) * | 1972-10-18 | 1974-05-02 | Poudres & Explosifs Ste Nale | LAUNCHER EMERGENCY VEHICLE |
| CN201482032U (en) * | 2009-07-15 | 2010-05-26 | 福建天广消防科技股份有限公司 | Gun head of fire protection gun |
| CN102086924A (en) * | 2010-11-29 | 2011-06-08 | 广东联塑科技实业有限公司 | Transmission mechanism for sprinkler and sprinkler using transmission mechanism |
| CN102294093A (en) * | 2011-07-11 | 2011-12-28 | 四川威特龙消防设备有限公司 | Multifunctional water mist fire extinguishing gun |
| CN204017230U (en) * | 2014-04-25 | 2014-12-17 | 何俊龙 | Universal straight stream nozzle |
| CN204411543U (en) * | 2014-12-26 | 2015-06-24 | 连云港市泰卓新材料有限公司 | A kind of fire-fighting lance of adjustable range |
| CN204619244U (en) * | 2015-04-10 | 2015-09-09 | 公安部上海消防研究所 | A kind of fire monitor pitching slew gear linked with horizontal rotation |
| DE102014212823A1 (en) * | 2014-07-02 | 2016-01-07 | Harald NEUMAERKER | pistol |
-
2017
- 2017-09-15 CN CN201710830580.0A patent/CN107715348B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2345329A1 (en) * | 1972-10-18 | 1974-05-02 | Poudres & Explosifs Ste Nale | LAUNCHER EMERGENCY VEHICLE |
| CN201482032U (en) * | 2009-07-15 | 2010-05-26 | 福建天广消防科技股份有限公司 | Gun head of fire protection gun |
| CN102086924A (en) * | 2010-11-29 | 2011-06-08 | 广东联塑科技实业有限公司 | Transmission mechanism for sprinkler and sprinkler using transmission mechanism |
| CN102294093A (en) * | 2011-07-11 | 2011-12-28 | 四川威特龙消防设备有限公司 | Multifunctional water mist fire extinguishing gun |
| CN204017230U (en) * | 2014-04-25 | 2014-12-17 | 何俊龙 | Universal straight stream nozzle |
| DE102014212823A1 (en) * | 2014-07-02 | 2016-01-07 | Harald NEUMAERKER | pistol |
| CN204411543U (en) * | 2014-12-26 | 2015-06-24 | 连云港市泰卓新材料有限公司 | A kind of fire-fighting lance of adjustable range |
| CN204619244U (en) * | 2015-04-10 | 2015-09-09 | 公安部上海消防研究所 | A kind of fire monitor pitching slew gear linked with horizontal rotation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107715348A (en) | 2018-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200710 Address after: Huagang Zhen Xi Dong Cun, Hailing District, Taizhou City, Jiangsu Province 225300 Applicant after: TAIZHOU HONGYUAN FIRE-FIGHTING EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 523000 Guangdong province Dongguan City Songshan Lake high tech Industrial Zone Building 406 industrial development productivity Applicant before: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. |
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| GR01 | Patent grant | ||
| 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: 20200804 |