CN110925508B - Fire-fighting pipe joint - Google Patents
Fire-fighting pipe joint Download PDFInfo
- Publication number
- CN110925508B CN110925508B CN201911355691.6A CN201911355691A CN110925508B CN 110925508 B CN110925508 B CN 110925508B CN 201911355691 A CN201911355691 A CN 201911355691A CN 110925508 B CN110925508 B CN 110925508B
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- pipe
- adjusting sleeve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 56
- 210000001503 joint Anatomy 0.000 claims description 46
- 238000009434 installation Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 230000001960 triggered effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to the technical field of pipe joints, and particularly relates to a fire-fighting pipe joint which comprises a connecting piece for connecting and clamping and a water hose connecting mechanism for installing a water hose, wherein the pipe joint designed by the invention can form two water hose connectors with different pipe diameters by rotating an adjusting sleeve and an inner installing piece, and when the water hose is large in pipe diameter, the water hose is tightly installed on the rotating adjusting sleeve; when the water hose is small in pipe diameter, the water hose is tightly mounted on a pipeline consisting of a plurality of inner mounting pieces, so that the connection efficiency is high; compare in traditional hosepipe that can only connect appointed pipe diameter, improve the fire extinguishing efficiency of fire control greatly. For the traditional joint with different water hose diameters matched with the joints with different pipe diameters, the invention can connect two pipe joints with different pipe diameters, thereby reducing the workload of carrying, installing, distinguishing and the like of the pipe joints; greatly increasing convenience. The invention can correspond to water flow channels with different sizes according to different water hose pipe diameters, thereby reducing the water flow resistance.
Description
Technical Field
The invention belongs to the technical field of pipe joints, and particularly relates to a fire-fighting pipe joint.
Background
The fire hose is a hose for conveying high-pressure water, foam and other flame-retardant liquids, the traditional fire hose takes rubber as a lining, the outer surface of the traditional fire hose is wrapped by linen, the advanced fire hose is made of polyurethane and other polymeric materials, metal joints are arranged at two ends of the fire hose, and the fire hose can be connected with another hose to prolong the distance or connected with a nozzle to increase the liquid jet pressure.
Currently, a specific pipe joint is suitable for a water belt with a specific pipe diameter; when water hoses with different pipe diameters are connected, the connection is completed by matching the traditional joint with the transit joint, and the more joints are, the lower the connection efficiency is; if the pipe joint has the water hose switching function with different pipe diameters, the fire extinguishing efficiency of fire fighting can be greatly improved.
Different water hoses are provided with different joints, so that redundant workload is brought to carrying, mounting, distinguishing and the like; if a coupling is fit for more than one coupling hosepipe, will greatly increased the convenience, reduce work load.
The invention designs a fire-fighting pipe joint to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a fire-fighting pipe joint which is realized by adopting the following technical scheme.
A fire-fighting pipe joint comprises a connecting piece for connecting and clamping and a water hose connecting mechanism for mounting a water hose, wherein one end of the connecting piece is provided with two arc-shaped clamping pieces and two arc-shaped limiting parts, the two arc-shaped clamping pieces and the two arc-shaped limiting parts are uniformly distributed in a staggered manner in the circumferential direction, and the other end of the connecting piece is provided with a sleeve for wrapping the water hose; the method is characterized in that: the water hose connecting mechanism comprises a rotary adjusting sleeve and inner mounting pieces, wherein the inner mounting pieces are arc-shaped, the inner mounting pieces are circumferentially mounted at one end of the connecting piece, where the sleeve is mounted, and the inner mounting pieces slide along the radial direction of the connecting piece; a plurality of adjusting arc blocks are uniformly arranged on the inner circular surface of the rotary adjusting sleeve in the circumferential direction, the rotary adjusting sleeve is nested and arranged on the outer side of the inner installation part, a water band inserted annular gap is reserved between the outer circular surface of the rotary adjusting sleeve and the inner circular surface of the sleeve, and the inner installation part arranged on the connecting piece and the adjusting arc blocks arranged on the rotary adjusting sleeve are in one-to-one correspondence.
Rotating the rotary adjusting sleeve to enable the rotary adjusting sleeve to drive the adjusting arc block arranged on the rotary adjusting sleeve to extrude the corresponding inner mounting piece, wherein the inner mounting piece arranged on the connecting piece is extruded to move along the radial direction of the connecting piece, and when adjacent inner mounting pieces are contacted, a finished cylindrical structure is formed, and at the moment, the water belt is sleeved on the outer side of the cylindrical structure formed by the inner mounting pieces; when the adjusting arc block on the rotary adjusting sleeve does not extrude the corresponding inner mounting piece, a gap is reserved between every two adjacent inner mounting pieces, and the water belt is sleeved on the outer side of the rotary adjusting sleeve.
The arc-shaped clamping piece and the arc-shaped limit of the pipe joint designed by the invention have the same structures and use methods as those of the arc-shaped clamping piece and the arc-shaped limit on the traditional pipe joint; when two pipe joints are connected with each other, firstly, the arc-shaped clamping piece on one of the two pipe joints is inserted into a gap between the arc-shaped clamping piece and the arc-shaped limit part on the other pipe joint, then one of the pipe joints is rotated, so that the arc-shaped clamping piece on one of the pipe joints is rotated to the inner side of the arc-shaped limit part on the other pipe joint, and the two pipe joints are connected together through the matching of the two arc-shaped limit parts and the two arc-shaped clamping pieces.
As a further improvement of the technology, the connecting piece is of a circular ring-shaped structure, and a plurality of mounting arc plates are uniformly arranged on the inner circular surface of the connecting piece in the circumferential direction; a plurality of mounting bars circumference is evenly installed on the installation arc board of installing on the connecting piece, and a plurality of interior installed part one-to-one are along the radial direction slidable mounting of connecting piece on the mounting bar that corresponds.
As a further improvement of the technology, a guide plate is arranged on the inner cambered surface of the mounting bar; the one end of interior installed part has the arc arch, and the bellied both ends of arc have transition inclined plane, have the unilateral axial on the bellied extrados of arc and do not link up the guide way, and the guide way is not link up at the bellied joint butt joint end of arc, and the guide way cooperates with the deflector that corresponds the installation on the mounting bar.
The corresponding inner installation part is guided by the matching of the guide plate and the guide groove.
As a further improvement of the technology, a plurality of clamping grooves are uniformly formed in the inner arc surface of the adjusting arc block mounted on the rotary adjusting sleeve, a plurality of limiting protrusions are uniformly mounted on the outer arc surface, close to the edge, of the arc protrusion on each inner mounting piece, and the limiting protrusions on each inner mounting piece are matched with the clamping grooves on the corresponding adjusting arc block in a one-to-one correspondence mode. When rotating the rotation regulation cover for the rotation regulation cover drives the interior installed part that the regulation arc piece extrusion that installs above that corresponds, installs the interior installed part on the connecting piece and can remove along the radial direction of connecting piece by the extrusion, constitutes a tubular structure of accomplishing back, plays the dead fixed action of locking to a certain extent of installed part and the regulation arc piece that corresponds through the cooperation of spacing arch on the interior installed part and the draw-in groove that corresponds on the regulation arc piece.
As a further improvement of the technology, the thread bush is fixedly arranged on the guide plate arranged on the mounting bar; the limiting threaded ring is installed on the threaded sleeve in a threaded fit mode. Play limiting displacement to the rotatory adjusting collar of nestification on interior installed part through spacing screw ring, prevent that rotatory adjusting collar from separating with interior installed part after the installation, lead to rotatory adjusting collar to lose the trigger action to interior installed part.
As a further improvement of the technology, all the inner installation parts are respectively provided with two arc-shaped support grooves which are symmetrically distributed, and the two elastic rings are symmetrically arranged in the arc-shaped support grooves on two sides of all the inner installation parts. Two elastic rings play a supporting and limiting role in the radial direction of the inner installation part installed on the connecting piece, and when the inner installation part is triggered to move along the radial direction of the connecting piece, the two elastic rings are compressed.
As a further improvement of the technology, two first clamping bulges used for fastening the water band are arranged on the outer circular surface of one end of the rotary adjusting sleeve.
As a further improvement of the technology, two second clamping bulges used for fastening the water band are arranged on the outer circular surface of one end of each inner mounting part; after the inner mounting part is triggered to move along the radial direction of the connecting part to form a finished cylindrical structure, the two groups of second clamping protrusions arranged on the inner mounting part are combined into two complete clamping rings for fastening the water band.
As a further improvement of the technology, a first sealing ring is arranged on an adjusting arc block arranged on the rotary adjusting sleeve; the first sealing rings have the effects that when the two pipe joints are connected with each other, one ends of the two pipe joints, which are provided with the first sealing rings, are clamped with each other, namely one ends with the arc-shaped clamping pieces and one ends with the arc-shaped limiting pieces, the two first sealing rings on the two pipe joints are tightly contacted and extruded at the moment, and the two sides of the first sealing rings are extruded by the inner installation pieces to seal the joint of the two pipe joints; the inner arc surface of an adjusting arc block arranged on the rotary adjusting sleeve is in contact fit with the lower outer arc surface of one end of the inner mounting piece with the arc-shaped bulge, and the two side surfaces of the adjusting arc block are in corresponding contact fit with the side surfaces of the arc-shaped bulge on the inner mounting piece; two first sealing strips are symmetrically arranged on the two side surfaces of the arc-shaped bulge on the inner mounting piece and the outer cambered surface on the lower side; the first sealing strips are used for sealing the connecting part between the inner mounting piece and the corresponding adjusting arc block through the two first sealing strips, wherein the inner mounting piece is not triggered to move inwards when the water hose with a large pipe diameter is connected, the inner arc surface of the adjusting arc block is in contact fit with the lower outer arc surface of one end, provided with the arc protrusion, of the inner mounting piece, the two side surfaces of the adjusting arc block are in corresponding contact fit with the side surfaces of the arc protrusion on the inner mounting piece, and the two side surfaces of the arc protrusion on the inner mounting piece and the lower outer arc surface are symmetrically provided with the two first sealing strips; and water is prevented from seeping out from the connecting part between the inner mounting piece and the corresponding adjusting arc block.
As a further improvement of the technology, one side surface of each of the inner installation parts is provided with one second sealing strip, the other side surface of each of the inner installation parts is provided with another second sealing strip, and the two second sealing strips on the two side surfaces of the same inner installation part are symmetrical to each other; the second sealing strip has the effects that when the water hose with a small pipe diameter is connected, the inner installation parts are triggered by the corresponding adjusting arc blocks to move inwards, the inclined surfaces between two adjacent inner installation parts are in contact fit, and the contact parts between the two adjacent inner installation parts are sealed through the second sealing strip; preventing water from seeping out from the contact part between two adjacent inner installation pieces; the end surfaces of all the inner installation parts, which are positioned at one end in the connecting piece, are respectively provided with a sealing arc strip; the sealing arc strips have the effects that when the water hose with small pipe diameter is connected, the inner mounting pieces are triggered by the corresponding adjusting arc blocks to move inwards, the inclined surfaces between two adjacent inner mounting pieces are in contact fit, and the second sealing arc strips arranged on the inner mounting pieces form a complete sealing ring; when the two pipe joints are connected with each other, the joint of the two complete cylinders consisting of the corresponding inner installation parts on the two pipe joints is sealed through the sealing ring.
When a water hose with a small pipe diameter is connected, the mutually connected parts of two pipe joints are sealed by two sealing rings formed by combining sealing arc strips, and a cylindrical structure formed by a plurality of inner mounting pieces in the pipe joints is sealed by corresponding second sealing strips; when the water hose with the large pipe diameter is connected, the mutually connected parts of the two pipe joints are sealed through the two first sealing rings, and the water channel formed by the inner mounting piece and the corresponding adjusting arc block in the pipe joints is sealed through the corresponding first sealing strips.
When the water hose with a small pipe diameter is connected, the water hose with a small pipe diameter is formed into a complete cylindrical structure through the inner mounting pieces, the water flow channel formed by the cylindrical structure is formed into a complete water flow channel through the inner mounting pieces and the corresponding adjusting arc blocks, and the water flow resistance is reduced according to the fact that the pipe diameters of different water hoses correspond to the water flow channels with different sizes.
Compared with the traditional pipe joint technology, the beneficial effects of the design of the invention are as follows:
1. according to the pipe joint designed by the invention, two water hose connectors with different pipe diameters can be formed by rotating the adjusting sleeve and the inner mounting piece, and when the water hose is large in pipe diameter, the water hose is tightly mounted on the rotating adjusting sleeve; when the water hose is small in pipe diameter, the water hose is tightly mounted on a pipeline consisting of a plurality of inner mounting pieces, so that the connection efficiency is high; compare in traditional hosepipe that can only connect appointed pipe diameter, improve the fire extinguishing efficiency of fire control greatly.
2. For the traditional joint with different water hose diameters matched with the joints with different pipe diameters, the invention can connect two pipe joints with different pipe diameters, thereby reducing the workload of carrying, installing, distinguishing and the like of the pipe joints; greatly increasing convenience.
3. The invention can correspond to water flow channels with different sizes according to different water hose pipe diameters, thereby reducing the water flow resistance.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Fig. 3 is a schematic view of mounting bar installation.
Fig. 4 is a schematic view of the connector structure.
Fig. 5 is a schematic view of an adjustment arc block installation.
Figure 6 is a schematic view of the adjustment arc block and inner mount mating.
Fig. 7 is a schematic view of a threaded sleeve installation.
Figure 8 is a schematic view of the inner mount distribution.
Fig. 9 is a schematic view of the elastic ring installation.
FIG. 10 is a schematic diagram of the connection of a large-pipe-diameter water band and a small-pipe-diameter water band.
Number designation in the figures: 1. a connecting member; 2. rotating the adjusting sleeve; 3. an inner mount; 4. an elastic ring; 5. a limiting threaded ring; 6. mounting a bar; 7. an arc-shaped clamping piece; 8. arc-shaped limiting; 9. installing an arc plate; 10. a sleeve; 11. a guide plate; 12. adjusting the arc block; 13. a first clamping protrusion; 14. a card slot; 15. a first seal ring; 16. a limiting bulge; 17. a threaded sleeve; 18. a water hose connecting mechanism; 19. a first seal strip; 20. a second seal strip; 21. sealing the arc strip; 22. a second clamping protrusion; 24. a transition bevel; 25. a guide groove; 26. an arc-shaped supporting groove.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the hose connecting device comprises a connecting piece 1 for connecting and clamping and a hose connecting mechanism 18 for installing a hose, wherein as shown in fig. 4, one end of the connecting piece 1 is provided with two arc-shaped clamping pieces 7 and two arc-shaped limiting parts 8, the two arc-shaped clamping pieces 7 and the two arc-shaped limiting parts 8 are uniformly distributed in a staggered manner in the circumferential direction, and the other end of the connecting piece 1 is provided with a sleeve 10 for wrapping the hose; the method is characterized in that: the water hose connecting mechanism 18 comprises a rotary adjusting sleeve 2 and inner mounting pieces 3, wherein as shown in fig. 9, the inner mounting pieces 3 are arc-shaped, as shown in fig. 8, a plurality of inner mounting pieces 3 are circumferentially mounted at one end of the connecting piece 1, at which the sleeve 10 is mounted, and the inner mounting pieces 3 slide along the radial direction of the connecting piece 1; as shown in fig. 5, a plurality of adjusting arc blocks 12 are uniformly arranged on the inner circumferential surface of the rotary adjusting sleeve 2 in the circumferential direction, the rotary adjusting sleeve 2 is nested and arranged on the outer side of the inner mounting member 3, an annular gap for inserting a water hose is left between the outer circumferential surface of the rotary adjusting sleeve 2 and the inner circumferential surface of the sleeve 10, and the inner mounting member 3 arranged on the connecting member 1 corresponds to the adjusting arc blocks 12 arranged on the rotary adjusting sleeve 2 one to one.
The rotary adjusting sleeve 2 is rotated, so that the rotary adjusting sleeve 2 drives the adjusting arc blocks 12 arranged on the rotary adjusting sleeve to extrude the corresponding inner mounting pieces 3, the inner mounting pieces 3 arranged on the connecting piece 1 are extruded to move along the radial direction of the connecting piece 1, a finished cylindrical structure is formed after adjacent inner mounting pieces 3 are contacted, and the water belt is sleeved outside the cylindrical structure formed by the inner mounting pieces 3; when the adjusting arc blocks 12 on the rotary adjusting sleeve 2 do not press the corresponding inner mounting pieces 3, gaps are reserved between every two adjacent inner mounting pieces 3, and the water belt is sleeved outside the rotary adjusting sleeve 2.
The arc clamping piece 7 and the arc limiting 8 of the pipe joint designed by the invention have the same structure and use method as the arc clamping piece 7 and the arc limiting 8 on the traditional pipe joint; when two pipe joints are connected with each other, the arc clamping piece 7 on one of the two pipe joints is firstly inserted into a gap between the arc clamping piece 7 and the arc limiting piece 8 on the other pipe joint, then one of the pipe joints is rotated, so that the arc clamping piece 7 on one of the pipe joints rotates to the inner side of the arc limiting piece 8 on the other pipe joint, and the two pipe joints are connected together through the matching of the two arc limiting pieces 8 and the two arc clamping pieces 7.
As shown in fig. 3 and 4, the connector 1 has a circular ring structure, and a plurality of mounting arc plates 9 are uniformly mounted on the inner circumferential surface of the connector 1 in the circumferential direction; the installation bars 6 are circumferentially and uniformly installed on the installation arc plates 9 installed on the connecting piece 1, and the inner installation pieces 3 are installed on the corresponding installation bars 6 in a one-to-one correspondence manner along the radial direction of the connecting piece 1 in a sliding manner.
As shown in fig. 3 and 4, a guide plate 11 is mounted on the inner arc surface of the mounting bar 6; as shown in fig. 9, one end of the inner mounting member 3 has an arc-shaped protrusion, two ends of the arc-shaped protrusion have transition inclined planes 24, a guide groove 25 which is not penetrated axially on one side is arranged on an outer arc surface of the arc-shaped protrusion, the guide groove is not penetrated at a joint butt joint end of the arc-shaped protrusion, and the guide groove 25 is matched with the guide plate 11 mounted on the corresponding mounting bar 6.
The corresponding inner mounting member 3 is guided by the cooperation of the guide plate 11 and the guide groove 25 in the present invention.
As shown in fig. 5, a plurality of slots 14 are uniformly formed in the inner arc surface of the adjusting arc block 12 mounted on the rotary adjusting sleeve 2, as shown in fig. 6, a plurality of limiting protrusions 16 are uniformly mounted on the outer arc surface of the arc protrusion on each inner mounting member 3 near the edge, and the limiting protrusions 16 on each inner mounting member 3 are correspondingly matched with the slots 14 on the corresponding adjusting arc block 12. When rotating rotation regulation cover 2 for rotation regulation cover 2 drives the interior installed part 3 that the regulation arc piece 12 extrusion of installing on it corresponds, and the interior installed part 3 of installing on connecting piece 1 is extruded and can be removed along the radial direction of connecting piece 1, constitutes a tubular structure of accomplishing back, plays the locking fixed action to a certain extent to interior installed part 3 and the regulation arc piece 12 that corresponds through spacing arch 16 on interior installed part 3 and the cooperation of the draw-in groove 14 on the corresponding regulation arc piece 12.
As shown in fig. 7, the screw sleeve 17 is fixedly mounted on the guide plate 11 mounted on the mounting bar 6; the limit threaded ring 5 is mounted on the threaded sleeve 17 by means of a threaded fit. Play limiting displacement to the rotatory adjusting collar 2 of nestification on interior installed part 3 through spacing screw ring 5, prevent that rotatory adjusting collar 2 from breaking away from with interior installed part 3 after the installation, lead to rotatory adjusting collar 2 to lose the trigger action to interior installed part 3.
As shown in fig. 7 and 8, two arc-shaped supporting grooves 26 are symmetrically formed in all the inner mounting members 3, and the two elastic rings 4 are symmetrically mounted in the arc-shaped supporting grooves 26 formed in both sides of all the inner mounting members 3. The two elastic rings 4 play a supporting and limiting role in the radial direction of the inner mounting part 3 installed on the connecting piece 1, and when the inner mounting part 3 is triggered to move along the radial direction of the connecting piece 1, the two elastic rings 4 are compressed.
As shown in fig. 5, two first fastening protrusions 13 for fastening the hose are installed on the outer circumferential surface of one end of the rotation adjusting sleeve 2.
As shown in fig. 9, two second clamping protrusions 22 for fastening the hose are mounted on the outer circumferential surfaces of one ends of all the inner mounting members 3; after the inner mounting part 3 is triggered to move along the radial direction of the connecting part 1 to form a finished cylindrical structure, the two groups of second clamping protrusions 22 arranged on the inner mounting part 3 are combined into two complete clamping rings for fastening the water band.
As shown in fig. 8, the adjusting arc block 12 installed on the rotary adjusting sleeve 2 is installed with a first sealing ring 15; the first sealing rings 15 have the effects that when the two pipe joints are connected with each other, one ends of the two pipe joints, which are provided with the first sealing rings 15, namely one ends with the arc-shaped clamping pieces 7 and the arc-shaped limiting pieces 8, are clamped with each other, at the moment, the two first sealing rings 15 on the two pipe joints are tightly contacted and extruded, and the two sides of the first sealing rings 15 are extruded by the inner installation pieces 3, so that the connection part of the two pipe joints is sealed; as shown in fig. 6, the inner arc surface of the adjusting arc block 12 installed on the rotary adjusting sleeve 2 is in contact fit with the lower outer arc surface of the end of the inner installation member 3 with the arc protrusion, and two side surfaces of the adjusting arc block 12 are in corresponding contact fit with the side surfaces of the arc protrusion on the inner installation member 3; two first sealing strips 19 are symmetrically arranged on the two side surfaces and the lower outer cambered surface of the arc-shaped bulge on the inner mounting piece 3; the first sealing strips 19 have the effects that when a water hose with a large pipe diameter is connected, the inner mounting piece 3 is not triggered to move inwards, the inner arc surface of the adjusting arc block 12 is in contact fit with the lower outer arc surface of one end, provided with the arc-shaped protrusion, of the inner mounting piece 3, two side surfaces of the adjusting arc block 12 are in corresponding contact fit with the side surfaces of the arc-shaped protrusion on the inner mounting piece 3, the two first sealing strips 19 are symmetrically arranged on the two side surfaces of the arc-shaped protrusion on the inner mounting piece 3 and the lower outer arc surface, and the connecting part between the inner mounting piece 3 and the corresponding adjusting arc block 12 is sealed through the two first sealing strips 19; water is prevented from leaking out from the connection portion between the inner mount 3 and the corresponding regulation arc block 12.
As shown in fig. 6, one second sealing strip 20 is mounted on one side surface of all the inner mounting pieces 3, another second sealing strip 20 is mounted on the other side surface of all the inner mounting pieces 3, and the two second sealing strips on the two side surfaces of the same inner mounting piece are symmetrical to each other; the second sealing strips 20 are used for triggering the inner installation parts 3 to move inwards by the corresponding adjusting arc blocks 12 when the water band with small pipe diameter is connected, the inclined surfaces between two adjacent inner installation parts 3 are in contact fit, and the contact parts between two adjacent inner installation parts 3 are sealed by the second sealing strips 20; preventing water from seeping out from the contact portion between the adjacent two inner mounting members 3; as shown in fig. 8, a sealing arc strip 21 is arranged on the end surface of all the inner installation parts 3 at one end inside the connecting piece 1; the sealing arc strips 21 have the effects that when the water hose with a small pipe diameter is connected, the inner mounting parts 3 are triggered by the corresponding adjusting arc blocks 12 to move inwards, the inclined surfaces between two adjacent inner mounting parts 3 are in contact fit, and the second sealing arc strips 21 arranged on the inner mounting parts 3 form a complete sealing ring; when the two pipe connectors are connected to each other, the joint of the two complete cylinders, which is formed by the corresponding inner mountings 3 on the two pipe connectors, is sealed by the sealing ring.
When a water hose with small pipe diameter is connected, the mutually connected parts of two pipe joints are sealed by two sealing rings formed by combining sealing arc strips 21, and a cylindrical structure formed by a plurality of inner mounting pieces 3 in the pipe joints is sealed by corresponding second sealing strips 20; when connecting a large-diameter water hose, the connecting parts of the two pipe joints are sealed by two first sealing rings 15, and the water channel formed by the inner mounting piece 3 and the corresponding adjusting arc block 12 in the pipe joints is sealed by the corresponding first sealing strip 19.
As shown in a in fig. 10, when a water hose with a small pipe diameter is connected, a plurality of inner mounting pieces 3 form a complete cylindrical structure, and a water flow channel formed by the cylindrical structure, as shown in b in fig. 10, when a water hose with a large pipe diameter is connected, a plurality of inner mounting pieces 3 and corresponding adjusting arc blocks 12 form a complete water flow channel, and water flow resistance is reduced according to the water flow channels with different sizes corresponding to different pipe diameters of the water hose.
The specific working process is as follows: when the pipe joint is used for fire fighting, if a water hose with a small pipe diameter and a water hose with a large pipe diameter are required to be connected, firstly, the arc-shaped clamping piece 7 on one of the two pipe joints is inserted into a gap between the arc-shaped clamping piece 7 and the arc-shaped limiting piece 8 on the other pipe joint, then, one of the two pipe joints is rotated, so that the arc-shaped clamping piece 7 on one of the two pipe joints rotates to the inner side of the arc-shaped limiting piece 8 on the other pipe joint, and the two pipe joints are connected together through the matching of the two arc-shaped limiting pieces 8 and the two arc; then the rotary adjusting sleeve 2 in the pipe joint at one end with small pipe diameter is rotated, so that the rotary adjusting sleeve 2 drives the adjusting arc block 12 arranged on the rotary adjusting sleeve to extrude the corresponding inner installation part 3, the inner installation part 3 arranged on the connecting piece 1 can move along the radial direction of the connecting piece 1 by being extruded, a finished cylindrical structure is formed, and a water flow channel is formed by the cylindrical structure; the small-caliber water belt is fixedly arranged between two complete clamping rings formed by combining two groups of second clamping bulges 22 on the inner mounting part 3 through a fastening device; the large-pipe-diameter water band is fixed between two first clamping protrusions 13 on the rotary adjusting sleeve 2 on the pipe joint at one end corresponding to the large-pipe-diameter water band through a fastening device, and the small-pipe-diameter water band and the large-pipe-diameter water band are connected.
In the fire fighting process, if two small-diameter water hoses are required to be connected, the two pipe joints are connected firstly, then the adjusting sleeves on the two pipe joints are rotated, so that the inner installation parts 3 arranged on the connecting piece 1 on the two pipe joints form a complete cylindrical structure respectively, and the two small-diameter water hoses are fixedly arranged on the two groups of inner installation parts 3 through the fastening devices.
In the fire fighting process, if two large-diameter water hoses are required to be connected, the two large-diameter water hoses are directly and fixedly arranged between two first clamping bulges 13 on the rotary adjusting sleeve 2 on the two pipe joints through a fastening device.
Claims (10)
1. A fire-fighting pipe joint comprises a connecting piece for connecting and clamping and a water hose connecting mechanism for mounting a water hose, wherein one end of the connecting piece is provided with two arc-shaped clamping pieces and two arc-shaped limiting parts, the two arc-shaped clamping pieces and the two arc-shaped limiting parts are uniformly distributed in a staggered manner in the circumferential direction, and the other end of the connecting piece is provided with a sleeve for wrapping the water hose; the method is characterized in that: the water hose connecting mechanism comprises a rotary adjusting sleeve and inner mounting pieces, wherein the inner mounting pieces are arc-shaped, the inner mounting pieces are circumferentially mounted at one end of the connecting piece, where the sleeve is mounted, and the inner mounting pieces slide along the radial direction of the connecting piece; a plurality of adjusting arc blocks are uniformly arranged on the inner circular surface of the rotary adjusting sleeve in the circumferential direction, the rotary adjusting sleeve is nested and arranged on the outer side of the inner mounting part, an annular gap for inserting a water hose is reserved between the outer circular surface of the rotary adjusting sleeve and the inner circular surface of the sleeve, and the inner mounting part arranged on the connecting piece corresponds to the adjusting arc blocks arranged on the rotary adjusting sleeve one by one;
rotating the rotary adjusting sleeve to enable the rotary adjusting sleeve to drive the adjusting arc block arranged on the rotary adjusting sleeve to extrude the corresponding inner mounting piece, wherein the inner mounting piece arranged on the connecting piece is extruded to move along the radial direction of the connecting piece, and when adjacent inner mounting pieces are contacted, a finished cylindrical structure is formed, and at the moment, the water belt is sleeved on the outer side of the cylindrical structure formed by the inner mounting pieces; when the adjusting arc block on the rotary adjusting sleeve does not extrude the corresponding inner mounting piece, a gap is reserved between every two adjacent inner mounting pieces, and the water belt is sleeved on the outer side of the rotary adjusting sleeve.
2. The fire fighting pipe joint of claim 1, wherein: the connecting piece is of a circular ring-shaped structure, and a plurality of mounting arc plates are uniformly arranged on the inner circular surface of the connecting piece in the circumferential direction; a plurality of mounting bars circumference is evenly installed on the installation arc board of installing on the connecting piece, and a plurality of interior installed part one-to-one are along the radial direction slidable mounting of connecting piece on the mounting bar that corresponds.
3. The fire fighting pipe joint of claim 2, wherein: a guide plate is arranged on the inner arc surface of the mounting bar; the one end of interior installed part has the arc arch, and the bellied both ends of arc have transition inclined plane, have the unilateral axial on the bellied extrados of arc and do not link up the guide way, and the guide way is not link up at the bellied joint butt joint end of arc, and the guide way cooperates with the deflector that corresponds the installation on the mounting bar.
4. The fire fighting pipe joint of claim 3, wherein: a plurality of clamping grooves are uniformly formed in the inner arc surface of the adjusting arc block mounted on the rotary adjusting sleeve, a plurality of limiting protrusions are uniformly mounted on the outer arc surface, close to the edge, of the arc protrusion on each inner mounting piece, and the limiting protrusions on each inner mounting piece are matched with the clamping grooves on the corresponding adjusting arc block in a one-to-one mode.
5. The fire fighting pipe joint of claim 2, wherein: the thread bush is fixedly arranged on the guide plate arranged on the mounting bar; the limiting threaded ring is installed on the threaded sleeve in a threaded fit mode.
6. The fire fighting pipe joint of claim 1, wherein: all the inner mounting parts are respectively provided with two arc-shaped supporting grooves which are symmetrically distributed, and the two elastic rings are symmetrically arranged in the arc-shaped supporting grooves at two sides of the inner mounting parts.
7. The fire fighting pipe joint of claim 1, wherein: two first clamping bulges used for fastening the water band are arranged on the outer circular surface of one end of the rotary adjusting sleeve.
8. The fire fighting pipe joint of claim 1, wherein: and two second clamping bulges used for fastening the water band are arranged on the outer circular surfaces of one end of all the inner mounting parts.
9. The fire fighting pipe joint of claim 3, wherein: a first sealing ring is arranged on the adjusting arc block arranged on the rotary adjusting sleeve; the inner arc surface of an adjusting arc block arranged on the rotary adjusting sleeve is in contact fit with the lower outer arc surface of one end of the inner mounting piece with the arc-shaped bulge, and the two side surfaces of the adjusting arc block are in corresponding contact fit with the side surfaces of the arc-shaped bulge on the inner mounting piece; two first sealing strips are symmetrically arranged on the two side surfaces of the arc-shaped bulge on the inner mounting piece and the outer cambered surface of the lower side.
10. The fire fighting pipe joint of claim 3, wherein: one side surface of each inner mounting piece is provided with a second sealing strip, the other side surface of each inner mounting piece is provided with another second sealing strip, and the two second sealing strips on the two side surfaces of the same inner mounting piece are symmetrical; and a sealing arc strip is arranged on the end face of one end of each inner mounting piece in the connecting piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355691.6A CN110925508B (en) | 2019-12-25 | 2019-12-25 | Fire-fighting pipe joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355691.6A CN110925508B (en) | 2019-12-25 | 2019-12-25 | Fire-fighting pipe joint |
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| CN110925508A CN110925508A (en) | 2020-03-27 |
| CN110925508B true CN110925508B (en) | 2021-04-30 |
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| CN201911355691.6A Active CN110925508B (en) | 2019-12-25 | 2019-12-25 | Fire-fighting pipe joint |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI811811B (en) * | 2021-10-13 | 2023-08-11 | 郭子敬 | Pipe fittings for fire protection and gardening |
| CN114272540B (en) * | 2021-12-20 | 2022-12-02 | 天浩建设集团有限公司 | Portable fire-fighting equipment |
| CN117146084B (en) * | 2023-10-30 | 2024-02-20 | 泉州市山河消防技术有限公司 | Reducing type water hose connector |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07260069A (en) * | 1994-03-22 | 1995-10-13 | Mutsuo Osanai | Hose stopping tool |
| US6851728B2 (en) * | 2002-07-10 | 2005-02-08 | Hakko Metal Industries Ltd. | Pipe-coupling device |
| WO2007045012A1 (en) * | 2005-10-20 | 2007-04-26 | Michael David Hogan | Assembling pipe fitting components with crimped ferrule clamping a pipe to the fitting |
| CN102979967B (en) * | 2012-11-29 | 2015-04-15 | 西安交通大学 | Installation structure convenient for disassembling and assembling expansion joint of heat transfer casing |
| JP6201389B2 (en) * | 2013-04-15 | 2017-09-27 | 横浜ゴム株式会社 | Hose fitting installation method |
| CN203375041U (en) * | 2013-07-03 | 2014-01-01 | 江苏地龙管业有限公司 | Concentric reducer fixing joint |
| CN205938275U (en) * | 2016-08-15 | 2017-02-08 | 东莞市倍益清环保科技有限公司 | Universal joint |
| GB201710279D0 (en) * | 2017-06-28 | 2017-08-09 | Ge Healthcare Bio Sciences Ab | Improvements in and relating to bioprocessing equipment and fluid couplings therefor |
| CN208457408U (en) * | 2018-05-25 | 2019-02-01 | 潍坊明峰铸造有限公司 | A kind of structural fire protection pipe fitting joint |
| CN209084207U (en) * | 2018-11-01 | 2019-07-09 | 江苏西尔特橡胶股份有限公司 | A kind of abrasion-resistant rubber pipe being easily installed |
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Effective date of registration: 20221115 Address after: 311400 No. 18, sunjiashan Road, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU FENGYUAN COPPER Co.,Ltd. Address before: 311400 Zhao Jiabu 19, Fuchun street, Fuyang District, Hangzhou, Zhejiang. Patentee before: HANGZHOU MANJING TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Fire pipe joint Effective date of registration: 20221207 Granted publication date: 20210430 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Fuyang branch Pledgor: HANGZHOU FENGYUAN COPPER Co.,Ltd. Registration number: Y2022980025393 |
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Date of cancellation: 20230731 Granted publication date: 20210430 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Fuyang branch Pledgor: HANGZHOU FENGYUAN COPPER Co.,Ltd. Registration number: Y2022980025393 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of fire pipe joint Effective date of registration: 20230901 Granted publication date: 20210430 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Fuyang branch Pledgor: HANGZHOU FENGYUAN COPPER Co.,Ltd. Registration number: Y2023980054895 |