CN117146084B - Reducing type water hose connector - Google Patents
Reducing type water hose connector Download PDFInfo
- Publication number
- CN117146084B CN117146084B CN202311418226.9A CN202311418226A CN117146084B CN 117146084 B CN117146084 B CN 117146084B CN 202311418226 A CN202311418226 A CN 202311418226A CN 117146084 B CN117146084 B CN 117146084B
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- locking
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- teeth
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 47
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000011324 bead Substances 0.000 claims description 26
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 8
- 238000010168 coupling process Methods 0.000 claims 8
- 238000005859 coupling reaction Methods 0.000 claims 8
- 230000007704 transition Effects 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the field of water pipes and water bands, in particular to a reducing water band joint, which structurally comprises a joint main body and connecting parts with different diameters at two sides of the joint main body, wherein the middle part of the joint main body is provided with a locking assembly and a starting assembly, the locking assembly comprises a locking block, a top block and a positioning sheet, the starting assembly comprises a guide pipe arranged on a cover ring and starting teeth which can laterally stretch, the starting teeth are in transmission fit with the locking assemblies of the connecting parts with different diameters at two sides, and the starting assembly is used for driving the locking assembly to be matched with the connecting parts.
Description
Technical Field
The invention relates to the field of water pipes and water bands, in particular to a reducing water band joint.
Background
In some special cases, connection between fire hoses with different pipe diameters may be involved, for example, when a fire disaster occurs in large places such as stadiums, convention centers and the like, a heavy hose needs to be used for fire extinguishment, but due to the fact that the water source is far away, the water source needs to be conveyed through a certain distance, in this case, connection between fire hoses with different pipe diameters may need to be used for ensuring reasonable distribution and adjustment of water supply pressure and flow, in addition, in some special cases, such as indoor fire extinguishment, small-area fire extinguishment, local fire extinguishment areas difficult to reach and the like, a smaller light hose or a miniature hose may be used for fire extinguishment, in this case, if water is required to be supplied by using a fire hose with a large pipe diameter, connection between different pipe diameters may need to be realized through equipment such as a reducer union.
In the prior art, a core supplementing is needed to be added during reducing connection, namely, reducing connectors are adopted to connect, two ends of each reducing connector adopt a connection mode of matching buckling teeth and buckling rings which are the same as a water belt, when the connecting mode is adopted, metal buckling teeth at two ends are required to be aligned to be inserted into grooves beside opposite buckling teeth, then the metal buckling teeth are screwed into buckling rings of the connectors in a clockwise rotating mode, the water belt can be swung and twisted during pulling and laying of the water belt in the connection mode, or water flows can be unfolded and untwisted during direct water filling, at the moment, the twisting force generated by the water belt can be transmitted to the connectors, so that the two connectors are mutually rotated to be separated, and the connecting position is increased between the connecting ends of the reducing connectors and the water belt, so that the separation condition is easier to happen, and the situation that the existing reducing connectors fall off due to the fact that the twisting force is limited by the corresponding structure is caused by the fact that the existing reducing connectors are often used, and inconvenience is caused to use.
Disclosure of Invention
Aiming at the problems, the invention provides a reducing water hose connector, which structurally comprises a connector main body and connecting parts which are arranged at two sides of the connector main body and have different connector diameters, wherein the connecting parts comprise a retaining ring which surrounds the outer side of a connector, a retaining tooth and a slot opening are arranged on the retaining ring, a concave middle movable cavity is arranged in the middle of the connector main body, a containing cavity is arranged at the side end of the middle movable cavity, locking components are arranged in the containing cavity, the locking components are provided with a plurality of connecting parts which respectively point to the two sides and have different connector diameters, the middle of the connector main body is rotatably coated with a starting component, the locking components comprise a shell, a telescopic locking piece in the shell, a jacking piece for driving the locking piece to stretch and a positioning piece for fixing the position of the jacking piece, the shell is arranged in the containing cavity, the holding cavity is internally provided with a functional opening leading to the inner side of the retaining ring, the shell is provided with a limit notch leading to the functional opening, the locking piece stretches out and draws back in the limit notch of the shell and is provided with a pulling piece driving the locking piece to shrink back into the shell, one end of the jacking piece, which is contacted with the locking piece, is in an inclined plane shape and retains the degree of freedom of rotating around the axis of the main body of the joint in the shell, the positioning piece is arranged at the side end of the shell and is propped against the retaining groove arranged on the jacking piece, the jacking piece and the positioning piece are respectively provided with a locking pulling piece and a unlocking pulling piece which stretch out into the middle movable cavity, the starting assembly comprises a cover ring clamped on the main body of the joint and a guide pipe arranged on the cover ring, a starting tooth capable of stretching laterally and a driving handle post which is clamped with the starting tooth to control the stretching of the starting tooth are arranged in the guide pipe, the starting teeth are in transmission fit with locking pull blocks and unlocking pull blocks of locking assemblies of connecting parts with different interface diameters on two sides.
Further, the locking assembly further comprises a guide post arranged in the shell, the locking piece is nested on the guide post in a sliding mode, the locking piece slides under the limitation of the inner wall of the accommodating cavity and the guide post, and the pulling piece is arranged in the guide post and connected with the locking piece.
Further, the locking component is arranged at one end, far away from the inlet and outlet notch, in the retaining ring, and the locking component is separated from the adjacent retaining ring by at least one distance with the width of the retaining tooth, and the locking components arranged at the connecting parts with the two sides and corresponding to different interface diameters are arranged in the inner and outer depth differences of the middle movable cavity.
Further, the start assembly includes two start teeth, start teeth pass through the block joint in the direction spout of stand pipe, two start teeth have one end respectively stretch out the stand pipe outside and stretch out from the two sides of stand pipe upper face both sides locking assembly respectively, the drive is equipped with the direction chute in the stand pipe to the post, start teeth sliding block is in the direction chute, the drive is the post has the space along stand pipe length direction activity in the stand pipe.
Further, the two guide chute are arranged in parallel, and the driving handle column moves in one direction in the guide tube to enable the guide chute to squeeze the starting teeth so that one starting tooth extends outwards and the other starting tooth contracts inwards.
Further, when the two starting teeth are clamped at the middle part of the guide chute, the starting teeth at the two sides are not contacted with the locking pull blocks and the unlocking pull blocks of the locking assembly at the connecting parts at the two sides.
Further, be equipped with spacing subassembly in the drive handle post, spacing subassembly includes locating bead and elastic component, the locating bead is installed in the drive handle post and is driven and outwards protrudes by the elasticity of elastic component, be equipped with the locating hole on the stand pipe, the locating hole is equipped with at least three in the length direction of stand pipe, locating bead offsets with the locating hole and then stabilizes the position that current drive handle post was located.
Further, the region of the joint main body covered by the cover ring is set to be an inner step part, a limiting component is arranged on the inner step part and abuts against the cover ring, the limiting component comprises a positioning bead and an elastic piece, the positioning bead is arranged in the joint main body and driven by the elastic force of the elastic piece to protrude outwards, a base groove corresponding to the positioning bead is arranged on the cover ring, two sides of the base groove are respectively connected with a deep displacement groove and a shallow reset groove, and the depths of the deep displacement groove and the shallow reset groove are smaller than those of the base groove.
Further, two locking components on the same side circumference direction on the base groove two sides and the joint main body are adjacent, the deep displacement groove is located near one end of the ejector block, the shallow reset groove is located near one end of the locating piece, the deep displacement groove length is greater than the length of the ejector block movement path, the shallow reset groove is smaller than the length of the deep displacement groove and is greater than or equal to the sum of the distance from the starting tooth to the unlocking pull block and the length of the unlocking pull block movement path, and the shallow reset groove is in an inclined shape transited from the bottom wall to the groove surface.
Further, the accommodating cavity is provided with an opening towards the side of the joint main body, the locking component is arranged in the accommodating cavity through the opening, and the joint main body is provided with a fixing compression ring for fixedly arranging the locking component in the accommodating cavity.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the locking assembly and the starting assembly are arranged on the connector main body, the starting assembly is utilized to drive the locking assembly to be matched with the connecting part, after the water pipe, the water valve and the reducer connector pass through the connecting part, the starting teeth are driven to extend out by the driving handle post and rotate by the cover ring, so that the jacking block propping against the locking assembly rotates to push out the locking block into the buckle ring, and the clamping restriction is carried out on the buckling teeth of the water pipe and the water valve which are connected with the buckling teeth of the connector main body, so that the degree of freedom of relative rotation among the water pipe, the water valve and the connector main body is limited, and the falling of the connecting part caused by rotation of the water pipe due to swing, water pressure impact and the like is avoided.
2. According to the invention, the driving handle column is used for controlling the two starting teeth in different directions to independently extend to be matched with the locking assemblies with different depths on two sides, so that the control direction can be switched on a structure to cope with the locking assemblies with different depths, the guiding chute is used for controlling only one starting tooth to extend each time, interference with the locking assemblies which are not required to be controlled at present is avoided, and the middle position is provided for enabling the two starting teeth not to contact with the locking assemblies on two sides, so that the situation of false touch after connection is completed is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a variable diameter hose connector according to the present invention.
Fig. 2 is an exploded view of a variable diameter hose connector according to the present invention.
FIG. 3 is a three-dimensional schematic view of the locking assembly of the present invention mated with a connector body.
FIG. 4 is a schematic three-dimensional view of a locking assembly of the present invention.
Fig. 5 is a schematic top view of the state switching of the locking assembly of the present invention.
FIG. 6 is a three-dimensional cross-sectional view of the locking assembly of the present invention mated with a connector.
FIG. 7 is a schematic side view of the engagement of the actuating assembly with the connector body of the present invention.
FIG. 8 is a schematic three-dimensional view of an actuator assembly according to the present invention.
FIG. 9 is a schematic elevational view in cross-section of the actuator assembly of the present invention.
FIG. 10 is a schematic elevational view in cross-section of one manner of mating the shroud and the adapter body of the present invention.
In the figure: 1. a joint body; 2. a connection part; 3. a start assembly; 4. a locking assembly; 5. a limit component; 1a, middle movable cavity; 1b, an inner step; 1c, a containing cavity; 1d, function opening; 11. fixing the compression ring; 21. a clasp ring; 22. buckling teeth; 23. a slot inlet and a slot outlet; 31. a cover ring; 32. a guide tube; 33. driving the handle column; 34. a start tooth; 31a, a base groove; 31b, deep displacement grooves; 31c, shallow reset grooves; 32a, a guide chute; 32b, positioning holes; 33a, a guide chute; 34a, a slider; 41. a housing; 42. a locking piece; 43. a guide post; 44. a top block; 45. a positioning sheet; 46. a pulling member; 41a, limit notch; 44a, locking pull blocks; 44b, a buckle groove; 45a, unlocking a pull block; 51. positioning beads; 52. an elastic member.
Detailed Description
The following description of the embodiments of the present invention will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present invention, for a part, but not all of the embodiments of the present invention, without making any inventive effort.
Examples: the invention provides a reducing water hose connector, as shown in fig. 1-2, the structure of the reducing water hose connector comprises a connector main body 1 and connecting parts 2 which are arranged at two sides of the connector main body 1 and have different connector diameters, the connecting parts 2 are the connecting structures of connectors such as fire hose and fire-fighting connectors in the prior art, the connecting parts 2 comprise a retaining ring 21 which surrounds the outer side of the connector, and the retaining ring 21 is provided with a retaining tooth 22 and an inlet and outlet notch 23;
as shown in fig. 2, a hollow middle movable cavity 1a is arranged in the middle of the joint main body 1, the hollow inner part is a pipe connection part of a joint with two ends of different diameters, a containing cavity 1c is arranged at the side end of the middle movable cavity 1a, a locking component 4 is arranged in the containing cavity 1c, the locking component 4 is provided with a plurality of connecting parts 2 with different interface diameters which are respectively directed to two sides, in the embodiment, two locking components 4 are respectively arranged at two sides of the middle movable cavity 1a, and a starting component 3 is rotatably coated in the middle of the joint main body 1 to be matched with the locking component 4.
As shown in fig. 3-5, for the locking component 4, the locking component 4 includes a housing 41, a retractable locking piece 42 in the housing 41, a top piece 44 driving the locking piece 42 to retract, and a positioning piece 45 fixing the position of the top piece 44, firstly, the housing 41 is partially installed in the accommodating cavity 1c, a functional opening 1d leading to the inner side of the retaining ring 21 is provided in the accommodating cavity 1c, and the housing 41 is provided with a limit notch 41a leading to the functional opening 1 d; subsequently, the locking piece 42 stretches out and draws back in the limit notch 41a of the casing 41 and extends out of the functional opening 1d, and in order to drive the locking piece 42 to extend out, one end of the ejector piece 44, which is in contact with the locking piece 42, is in a slope shape and retains the degree of freedom of rotation around the axis of the joint main body 1 in the casing 41, so that when the ejector piece 44 is driven by the starting assembly 3 to move along the casing 41, the inclined slope can push the locking piece 42 to extend out of the functional opening 1d, and in order to drive the locking piece 42 to shrink, a pulling piece 46 for driving the locking piece 42 to shrink back into the casing 41 is arranged in the casing 41; finally, the positioning sheet 45 is arranged at the side end of the shell 41, and the length direction of the positioning sheet 45 is the direction of the moving path of the top block 44, so that after the top block 44 moves to a required position and the lock block 42 is driven to extend outwards, the tail end of the positioning sheet 45 can naturally prop against the buckling groove 44b arranged on the top block 44 to fix the position of the top block 44;
it should be noted that, as shown in fig. 6, the locking component 4 is disposed at one end of the retaining ring 21 far away from the inlet and outlet notch 23, and the locking component 4 is spaced from the adjacent retaining teeth 22 by a distance of at least one width of the retaining teeth 22, so that after the two connecting portions 2 are buckled, the retaining teeth 22 at the connected end enter the limiting range of the retaining ring 21 through the inlet and outlet notch 23 of the water hose connector in this embodiment and rotate to abut against the retaining teeth 22 at the water hose connector in this embodiment, the locking component 4 can work and make the locking piece 42 extend, and form two side clamping with the retaining teeth 22 at the water hose connector in this embodiment to limit the movement path of the retaining teeth 22 at the connected end.
Furthermore, as shown in fig. 4-5, the locking assembly 4 further comprises a guide post 43 installed in the housing 41, the locking piece 42 is slidably nested on the guide post 43, the locking piece 42 slides under the limitation of the inner wall of the accommodating cavity 1c and the guide post 43, the pulling piece 46 is installed in the hollow guide post 43 and is connected with the locking piece 42, and the pulling piece 46 adopts a tension spring, so that the guide post 43 simultaneously performs the functions of guiding and accommodating and installing the pulling piece 46 in a matching manner;
in this embodiment, the accommodating cavity 1c has an opening to the side of the joint body 1, the locking assembly 4 is installed into the accommodating cavity 1c through the opening, and the fixing compression ring 11 is disposed on the joint body 1 to fix the locking assembly 4 in the accommodating cavity 1 c.
In order to make the starting assembly 3 drive the top block 44 and the positioning piece 45, the top block 44 and the positioning piece 45 are respectively provided with a locking pull block 44a and an unlocking pull block 45a which extend into the middle movable cavity 1 a.
For the starting assembly 3, as shown in fig. 7 to 10, the starting assembly 3 includes two parts, namely a cover ring 31 clamped on the joint main body 1 and a guide tube 32 arranged on the cover ring 31:
7-9, regarding the guide tube 32, a laterally telescopic starting tooth 34 and a driving handle column 33 which is clamped with the starting tooth 34 to control the expansion of the starting tooth are arranged in the guide tube 32, the starting tooth 34 is in transmission fit with a locking pull block 44a and an unlocking pull block 45a of a locking assembly 4 of a connecting part 2 with different interface diameters on two sides, and it is required to be noted that the locking assembly 4 arranged on the connecting part 2 with different interface diameters on two sides has internal and external depth differences in a middle movable cavity 1a, namely the starting tooth 34 can respectively control the locking assembly 4 in different depth ranges, and the locking assemblies 4 on two sides are positioned at different heights in a side view;
therefore, the actuating assembly 3 comprises two actuating teeth 34 with different heights, one end of each actuating tooth 34 extends out of the guide tube 32 and extends out of two sides of the guide tube 32 facing the two-side locking assembly 4 respectively, the actuating teeth 34 are clamped in the guide sliding grooves 32a of the guide tube 32 through the sliding blocks 34a, the direction of the known guide sliding grooves 32a is perpendicular to the length direction of the guide tube 32, the actuating teeth 34 keep the freedom degree in the extending and contracting direction of the guide sliding grooves 32a, the driving handle column 33 is provided with a guide chute 33a in the guide tube 32, the actuating teeth 34 are clamped in the guide chute 33a in a sliding manner, and the driving handle column 33 has a space in the guide tube 32 moving along the length direction of the guide tube 32;
the guiding chute 33a is provided with two guiding grooves and is parallel to each other, and in this embodiment, when two starting teeth 34 are clamped in the middle of the guiding chute 33a, the starting teeth 34 on two sides are not contacted with the locking pull blocks 44a and the unlocking pull blocks 45a of the locking assembly 4 of the connecting part 2 on two sides, and then the driving handle column 33 is pressed down and lifted up once, the starting teeth 34 are extruded through the guiding chute 33a, so that one starting tooth 34 extends outwards and the other starting tooth 34 contracts inwards.
Furthermore, as shown in fig. 9, a limiting component 5 is disposed in the driving handle column 33, the limiting component 5 includes a positioning bead 51 and an elastic member 52, the positioning bead 51 is disposed in the driving handle column 33 and is driven by the elastic force of the elastic member 52 to protrude outwards, a positioning hole 32b is disposed on the guiding tube 32, at least three positioning holes 32b are disposed in the length direction of the guiding tube 32, the driving handle column 33 is pushed outwards and inwards to separate the positioning bead 51 from the positioning hole 32b to the next positioning hole 32b, and the positioning bead 51 is propped against the positioning hole 32b to stabilize the position of the current driving handle column 33.
In the second part, namely, the part of the cover ring 31, as shown in fig. 10, the area of the joint main body 1 covered by the cover ring 31 is set as an inner step part 1b, in this embodiment, the inner step part 1b is in a structure that the diameter of the lower limit is smaller than that of the outer ring of the joint main body 1, the cover ring 31 is axially limited, a limiting component 5 is arranged on the inner step part 1b and abuts against the cover ring 31, the limiting component 5 comprises a positioning bead 51 and an elastic piece 52, the positioning bead 51 is arranged in the joint main body 1 and is driven by the elastic piece 52 to protrude outwards, a base groove 31a corresponding to the positioning bead 51 is arranged on the cover ring 31, the two sides of the base groove 31a are respectively connected with a deep displacement groove 31b and a shallow reset groove 31c, and the depths of the deep displacement groove 31b and the shallow reset groove 31c are both smaller than that of the base groove 31a, and the cover ring 31 is clamped in the base groove 31a through the positioning bead 51 so as to stabilize a basic position;
subsequently, the two sides of the base groove 31a are adjacent to the two locking assemblies 4 on the same side of the connector main body 1 in the circumferential direction, the deep displacement groove 31b is positioned near one end of the top block 44, the shallow reset groove 31c is positioned near one end of the positioning piece 45, the length of the deep displacement groove 31b is larger than the length of the moving path of the top block 44, the length of the shallow reset groove 31c is smaller than the length of the deep displacement groove 31b and is larger than or equal to the sum of the distance from the starting tooth 34 to the unlocking pull block 45a and the length of the moving path of the unlocking pull block 45a, the shallow reset groove 31c is in an inclined shape which is transitionally changed from the bottom wall to the groove surface, so that, specifically, when the cover ring 31 drives the starting tooth 34 to push the top block 44a to pull block 44, and the cover ring 31 drives the starting tooth 34 to push the positioning bead 51 to push the positioning piece 45a to push the positioning piece 45, the positioning bead 51 is spanned into the shallow reset groove 31c, and the inclined shallow reset groove 31c gives a trend to the positioning bead 51 a stress to the positioning bead 51 to reset into the base groove 31 a.
In the specific implementation, if a local fire extinguishing area which is difficult to reach is treated, water is sprayed by adopting a large-pipe-diameter switching small pipe diameter to obtain higher water pressure and a farther spraying range, when the fire extinguishing area is connected, firstly, a small-pipe-diameter water pipe is connected with a reducer union through a connecting part 2, the buckling teeth 22 of the small-pipe-diameter water pipe are inserted into the limiting range of a retaining ring 21 through an inlet and outlet notch 23 of the union main body 1, then the small-pipe-diameter water pipe rotates until the small-pipe-diameter water pipe abuts against the buckling teeth 22 of the union main body 1, a driving handle post 33 is pulled outwards, a guide chute 33a on the driving handle post 33 drives a starting tooth 34 clamped in the middle of the guide chute 33a to slide, the starting tooth 34 at the bottom end is extruded by the guide chute 33a to enable the starting tooth 34 at the bottom end to extend outwards, the starting tooth 34 at the top end is contracted inwards, a locking pull block 44a and an unlocking pull block 45a of the small-diameter part of the union main body 1 are utilized, then the buckling teeth 34 are rotated by holding the driving handle post 33 until the buckling block 44 abuts against the buckling teeth 22, the starting tooth 44 is driven by the buckling blocks 44 to slide, and the position of the buckling blocks can be matched with the buckling teeth 42 at the two sides of the end of the buckling neck 22 to form a natural positioning block, and the position of the buckling neck 44 is matched with the buckling neck position of the end of the buckling neck piece to extend outwards;
then the large diameter part of the reducer union is connected with the large diameter water pipe, the buckling teeth 22 of the large diameter water pipe are inserted into the limit range of the buckling ring 21 through the inlet and outlet notch 23 of the union main body 1, then the large diameter water pipe rotates until the large diameter water pipe is propped against the buckling teeth 22 of the union main body 1, the driving handle column 33 is pressed inwards, the driving handle column 33 reaches the bottom end part after passing through the middle part, the guiding chute 33a on the driving handle column 33 drives the starting teeth 34 clamped in the middle part of the guiding chute 33a to slide, the starting teeth 34 at the top end are extruded by the guiding chute 33a to enable the starting teeth 34 at the bottom end to extend outwards, the starting teeth 34 at the top end extend into the space between the locking pull block 44a and the unlocking pull block 45a of the starting assembly 3 at the large diameter part on the union main body 1, and then the same way are fixed, accordingly the relative rotation freedom degree between the water pipe and the union is limited by the cooperation of the starting assembly 3 and the connecting part 2, the connecting part is prevented from being caused by rotation due to water belt swing, water pressure impact and the like, and the driving handle column 33 is pulled outwards to the positioning bead positioning position 51 after the fixing is finished.
The driving handle column 33 controls the two starting teeth 34 in different directions to independently extend to be matched with the locking assemblies 4 with different depths on two sides, so that the control direction can be switched on a structure to cope with the locking assemblies 4 with different depths, the guiding chute 33a is used for controlling that only one starting tooth 34 can extend each time without interfering with the current locking assemblies 4, and the middle position is provided to enable the two starting teeth 34 not to contact with the locking assemblies 4 on two sides, so that the situation of false touch after connection is avoided.
During unlocking, the large-diameter end is unlocked, the driving handle column 33 drives the starting tooth 34 at the top to extend out and extend between the locking pull block 44a and the unlocking pull block 45a of the starting assembly 3 at the large-diameter part of the joint main body 1, then the driving handle column 33 rotates the cover ring 31, the starting tooth 34 props against the unlocking pull block 45a to drive the positioning piece 45 to be pulled out, the positioning piece 45 is separated from the buckling groove 44b to release the top piece 44, the pulling piece 46 drives the locking piece 42 to retract into the shell 41 to contact with the limit of the buckling tooth 22, and then the positioning piece 45 at the other side is also operated in the same way, so that the water hose and the reducer joint are unlocked.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
Claims (9)
1. The utility model provides a reducing hosepipe connects, its structure includes connects the main part and establishes the connecting portion that have different interface diameters in the main part both sides of connecting, connecting portion is including encircling the buckle in the interface outside, be equipped with on the buckle and detain tooth and business turn over notch, its characterized in that: the middle part of the joint main body is provided with a concave middle movable cavity, the side end of the middle movable cavity is provided with a containing cavity, a locking assembly is arranged in the containing cavity, and the middle part of the joint main body is rotatably coated with a starting assembly;
the locking assembly comprises a shell, a locking block which is telescopic in the shell, a top block which drives the locking block to stretch out and draw back, and a positioning sheet which is used for fixing the position of the top block, wherein the shell is arranged in a containing cavity, a functional opening which leads to the inner side of a retaining ring is arranged in the containing cavity, a limit notch which leads to the functional opening is arranged in the shell, the locking block stretches out and draws back in the limit notch of the shell, a pulling piece which drives the locking block to shrink back into the shell is arranged in the shell, one end of the top block, which is contacted with the locking block, is in an inclined plane shape and keeps the degree of freedom of rotation around the axis of a main body of the joint in the shell, and the positioning sheet is arranged at the side end of the shell and is propped against a buckling groove which is arranged on the top block;
the top block and the positioning piece are respectively provided with a locking pull block and an unlocking pull block which extend into the middle movable cavity;
the starting assembly comprises a cover ring clamped on the joint main body and a guide pipe arranged on the cover ring, starting teeth which can laterally stretch and a driving handle column which is clamped with the starting teeth and controls the starting teeth to stretch are arranged in the guide pipe, and the cover ring can rotate to drive the starting teeth to be in transmission fit with locking pull blocks and unlocking pull blocks of the locking assembly of the connecting parts of the two sides, which correspond to different interface diameters;
the locking component is provided with a plurality of connecting parts which are respectively directed to two sides and have different interface diameters, the locking component is arranged at one end of the retaining ring far away from the inlet and outlet notch, and at least one distance of the width of the retaining tooth is reserved between the locking component and the adjacent retaining tooth;
the locking components arranged at the connecting parts corresponding to different interface diameters at two sides are stored with inner and outer depth differences in the middle movable cavity.
2. A variable diameter hose coupling according to claim 1, wherein: the locking assembly further comprises a guide post arranged in the shell, the locking block is nested on the guide post in a sliding manner, and the locking block slides under the limitation of the inner wall of the accommodating cavity and the guide post;
the pulling piece is arranged in the guide post and is connected with the locking piece.
3. A variable diameter hose coupling according to claim 1, wherein: the starting assembly comprises two starting teeth, the starting teeth are clamped in a guide chute of the guide pipe through a sliding block, one end of each of the two starting teeth extends out of the guide pipe and extends out of two sides of the guide pipe, which face the two side locking assemblies, respectively;
the driving handle column is provided with a guide chute in the guide tube, the starting teeth are in sliding clamping connection with the guide chute, and the driving handle column is provided with a space in the guide tube, which moves along the length direction of the guide tube.
4. A variable diameter hose coupling according to claim 3, wherein: the guide chute is provided with two guide chute bodies which are parallel to each other, and the driving handle column moves in the guide tube in one single direction to enable the guide chute bodies to extrude the starting teeth so that one starting tooth extends outwards and the other starting tooth contracts inwards.
5. A variable diameter hose coupling according to claim 4, wherein: when the two starting teeth are clamped at the middle part of the guide chute, the starting teeth at the two sides are not contacted with the locking pull blocks and the unlocking pull blocks of the locking assembly at the connecting parts at the two sides.
6. A variable diameter hose coupling according to claim 3, wherein: the driving handle column is internally provided with a limiting assembly, the limiting assembly comprises a positioning bead and an elastic piece, and the positioning bead is arranged in the driving handle column and is driven by the elasticity of the elastic piece to protrude outwards;
the guide tube is provided with positioning holes, at least three positioning holes are formed in the length direction of the guide tube, and the positioning beads are propped against the positioning holes so as to stabilize the position of the current driving handle column.
7. A variable diameter hose coupling according to claim 1, wherein: the region of the joint main body covered by the cover ring is set to be an inner step part, a limit component is arranged on the inner step part and is propped against the cover ring, the limit component comprises a positioning bead and an elastic piece, and the positioning bead is arranged in the joint main body and is driven by the elastic force of the elastic piece to protrude outwards;
the cover ring is provided with a base groove corresponding to the positioning bead, two sides of the base groove are respectively connected with a deep displacement groove and a shallow reset groove, and the depths of the deep displacement groove and the shallow reset groove are smaller than the depth of the base groove.
8. A variable diameter hose coupling according to claim 7, wherein: two sides of the base groove are adjacent to two locking assemblies on the same side of the joint main body in the circumferential direction, the deep displacement groove is positioned at one end close to the top block, and the shallow reset groove is positioned at one end close to the positioning sheet;
the length of the deep displacement groove is greater than the length of the moving path of the top block, and the shallow reset groove is smaller than the length of the deep displacement groove and is greater than or equal to the sum of the distance from the starting tooth to the unlocking pull block and the length of the moving path of the unlocking pull block;
the shallow reset groove is inclined in transition from the bottom wall to the groove surface.
9. A variable diameter hose coupling according to claim 1, wherein: the holding cavity is provided with an opening towards the side of the joint main body, the locking component is arranged in the holding cavity through the opening, and the joint main body is provided with a fixing compression ring for fixing the locking component in the holding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311418226.9A CN117146084B (en) | 2023-10-30 | 2023-10-30 | Reducing type water hose connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311418226.9A CN117146084B (en) | 2023-10-30 | 2023-10-30 | Reducing type water hose connector |
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| Publication Number | Publication Date |
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| CN117146084A CN117146084A (en) | 2023-12-01 |
| CN117146084B true CN117146084B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311418226.9A Active CN117146084B (en) | 2023-10-30 | 2023-10-30 | Reducing type water hose connector |
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| Country | Link |
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| CN (1) | CN117146084B (en) |
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| CN102966817A (en) * | 2011-08-30 | 2013-03-13 | 森田控股有限公司 | Junction accessory for fire hose |
| JP3184272U (en) * | 2013-04-09 | 2013-06-20 | 東京サイレン株式会社 | Fire hose joint fittings |
| CN110425351A (en) * | 2019-09-04 | 2019-11-08 | 玫德集团有限公司 | A kind of groove piping connection locking member |
| CN110925508A (en) * | 2019-12-25 | 2020-03-27 | 杭州曼京科技有限公司 | Fire-fighting pipe joint |
| CN211259952U (en) * | 2019-12-10 | 2020-08-14 | 苏州新鼎应急装备科技有限公司 | Automatic disengaging device of fire hose |
| CN213018235U (en) * | 2020-09-02 | 2021-04-20 | 河南豫烯高科技有限公司 | Reducing connection structure of pipeline |
| CN217208266U (en) * | 2022-04-25 | 2022-08-16 | 宁波东海森田消防装备有限公司 | Inner-buckle anti-release water hose connector and water collecting and distributing device |
| CN218935621U (en) * | 2022-12-27 | 2023-04-28 | 泰州市泓源消防装备制造有限公司 | Fastening type joint for fire hose |
| CN219388950U (en) * | 2023-06-25 | 2023-07-21 | 泉州市山河消防技术有限公司 | Quick-connection fire hose |
-
2023
- 2023-10-30 CN CN202311418226.9A patent/CN117146084B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966817A (en) * | 2011-08-30 | 2013-03-13 | 森田控股有限公司 | Junction accessory for fire hose |
| JP3184272U (en) * | 2013-04-09 | 2013-06-20 | 東京サイレン株式会社 | Fire hose joint fittings |
| CN110425351A (en) * | 2019-09-04 | 2019-11-08 | 玫德集团有限公司 | A kind of groove piping connection locking member |
| CN211259952U (en) * | 2019-12-10 | 2020-08-14 | 苏州新鼎应急装备科技有限公司 | Automatic disengaging device of fire hose |
| CN110925508A (en) * | 2019-12-25 | 2020-03-27 | 杭州曼京科技有限公司 | Fire-fighting pipe joint |
| CN213018235U (en) * | 2020-09-02 | 2021-04-20 | 河南豫烯高科技有限公司 | Reducing connection structure of pipeline |
| CN217208266U (en) * | 2022-04-25 | 2022-08-16 | 宁波东海森田消防装备有限公司 | Inner-buckle anti-release water hose connector and water collecting and distributing device |
| CN218935621U (en) * | 2022-12-27 | 2023-04-28 | 泰州市泓源消防装备制造有限公司 | Fastening type joint for fire hose |
| CN219388950U (en) * | 2023-06-25 | 2023-07-21 | 泉州市山河消防技术有限公司 | Quick-connection fire hose |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117146084A (en) | 2023-12-01 |
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