CN109237791B - Water gap connector and connecting structure comprising same - Google Patents
Water gap connector and connecting structure comprising same Download PDFInfo
- Publication number
- CN109237791B CN109237791B CN201811057921.6A CN201811057921A CN109237791B CN 109237791 B CN109237791 B CN 109237791B CN 201811057921 A CN201811057921 A CN 201811057921A CN 109237791 B CN109237791 B CN 109237791B
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- water gap
- pipe fitting
- mounting groove
- sealing
- top core
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 238000007789 sealing Methods 0.000 claims abstract description 87
- 238000009434 installation Methods 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the technical field of pipe fitting connection, in particular to a water gap connector and a connection structure comprising the same, wherein the water gap connector comprises a main body and a top core with a through hole, the top core is nested in the main body, and the outer wall surface of the top core is in threaded connection with the inner wall surface of the main body; the water gap pipe fitting is characterized in that an installation groove used for connecting the water gap pipe fitting with the water gap pipe fitting is formed between the main body and the top core, a sealing ring used for sealing connection with the water gap pipe fitting is arranged in the installation groove, the sealing ring is partially positioned inside the main body, a telescopic fastening component is arranged on the main body and faces the installation groove, the fastening component fastens the water gap pipe fitting with the water gap pipe fitting, and the sealing ring seals the water gap pipe fitting to ensure that the water gap pipe fitting is connected safely and reliably and quickly.
Description
Technical Field
The invention relates to the technical field of pipe fitting connection, in particular to a water gap joint and a connecting structure comprising the water gap joint.
Background
At present, a water gap connecting structure of a heat pump water heater mainly comprises a water inlet pipe fitting, a sealing gasket, a water gap connector and the like, and the joint of the adapter and the water outlet pipe fitting is easy to loosen; the end face seal formed in a pressing mode is used for pressing and sealing the sealing gasket and the end face of the adapter, enough pressing force needs to be provided in the installation process, and if the adapter and the water outlet pipe fitting are stressed unevenly, the sealing gasket is easy to damage and the sealing is not tight.
Disclosure of Invention
The invention aims to provide a water gap connector, which can radially seal a water gap pipe fitting through a sealing element, solves the problem of unsmooth end surface sealing caused by uneven stress when the water gap pipe fitting is installed, and is convenient to detach due to the fact that a fastening assembly stretches and contracts.
Another object of the present invention is to provide a connection structure, which can solve the problems of poor tightness, complex end face seal and easy water leakage of the connection between the nozzle pipe and the nozzle joint by connecting the nozzle pipe and the nozzle joint with each other.
Embodiments of the present invention are implemented as follows:
a nozzle adapter comprising a body and a top core for fluid communication, the top core being nested inside the body;
the water gap pipe fitting fixing device comprises a water gap pipe fitting and is characterized in that a mounting groove used for being connected with the water gap pipe fitting is arranged between the main body and the top core, a sealing piece used for radially sealing the water gap pipe fitting is arranged in the mounting groove, a fastening component which stretches out and draws back in the mounting groove is arranged on the main body, and the fastening component is used for radially fastening the water gap pipe fitting.
Further, the outer wall surface of the top core is in sealing connection with the inner wall surface of the main body in a threaded connection mode.
Preferably, the sealing member is a sealing ring, the sealing ring is sleeved with the top core, the sealing ring is partially positioned inside the top core, the top core is sleeved after the water gap pipe fitting is inserted into the mounting groove, the water gap pipe fitting extrudes the sealing ring, the sealing ring is integrally deformed and compressed, the sealing ring is tightly attached to the side wall of the water gap pipe fitting to achieve a sealing effect, and radial sealing of the water gap pipe fitting is completed.
Preferably, the outside of the core is provided with an installation step communicated with any end face of the core, the core is communicated with one end of the installation step in a sleeved mode, the installation step is located in the installation groove, the installation step is further an annular installation step arranged on the outside of the core, the installation step is communicated with any end of the core, and one end of the core communicated with the installation step is nested inside the main body.
Preferably, the mounting groove is of an annular structure, the sealing ring is sleeved with the mounting groove, and the notch of the mounting groove is communicated with the end face of one end of the top core, which is provided with the mounting step.
Preferably, the installation step comprises a first pipe section, a step surface and a second pipe section;
the diameter of the second pipe section is larger than that of the first pipe section, the second pipe section is connected with the main body, and further, the second pipe section is in threaded connection with the main body;
the first pipe section is provided with an annular groove used for placing the sealing ring, one part of the sealing ring is positioned in the annular groove, the depth of the annular groove is further 60% -70% of the line diameter of the sealing ring, the width of the sealing ring is preferably 1.2mm, the sealing ring is in clearance fit with the annular groove, the fit clearance is more than 0mm and less than 0.2mm, and when the water gap pipe fitting enters the mounting groove, the sealing ring radially seals the water gap pipe fitting from the inner side of the water gap pipe fitting.
Further, the sealing ring is partially positioned in the annular groove, the top core is sleeved after the water gap pipe fitting is inserted into the mounting groove, the water gap pipe fitting extrudes the sealing ring, the sealing ring is integrally deformed and compressed in the annular groove, and the sealing ring is tightly attached to the side wall of the water gap pipe fitting to achieve the sealing effect.
Preferably, the first pipe section is provided with a plurality of annular grooves along the axial direction of the top core, and each annular groove is internally provided with a sealing ring.
Preferably, an inner sleeve is disposed in the mounting groove, the inner sleeve is annular and is sleeved with the first pipe section, and an extrusion groove for extruding the water gap pipe fitting is disposed at one end of the inner sleeve, which faces the notch of the mounting groove.
And a sealing spring used for extruding the inner sleeve to fit the water gap pipe fitting is arranged in the mounting groove, one end of the sealing spring is connected with the inner sleeve, and the other end of the sealing spring is connected with the step surface.
And one side of the inner sleeve, which is opposite to the extrusion groove, is provided with a limiting groove, and one end of the sealing spring, which is connected with the inner sleeve, is arranged in the limiting groove.
Preferably, the fastening component comprises steel balls and a clamping sleeve sleeved on the outer side of the main body in a sliding manner;
the main part is provided with the through-hole that is used for placing the steel ball, the one end of through-hole is towards the mounting groove, the other end of through-hole is towards the cutting ferrule, the degree of depth of through-hole is less than the diameter of steel ball, the diameter of through-hole is greater than the diameter of steel ball.
Preferably, the main body is provided with a plurality of through holes at equal central angles, and the through holes are distributed by taking the center of the main body as the center of a circle.
Furthermore, the number of the through holes is N, and N is more than 2 and less than 16.
Preferably, a sliding groove is arranged in a sleeved region of the main body and the clamping sleeve, and a locking spring for pushing the clamping sleeve to move towards the through hole is arranged in the sliding groove;
further, the bottom of the clamping sleeve, which faces one end of the steel ball, is provided with an accommodating groove, and when the clamping sleeve is pushed to slide away from the through hole; the clamping sleeve extrudes the locking spring, when the locking spring reaches the maximum compression amount, the accommodating groove of the clamping sleeve corresponds to the through hole, the steel ball can move towards the accommodating groove, and the steel ball part is positioned in the accommodating groove;
when the clamping sleeve is not pushed by external force, the locking spring pushes the clamping sleeve to move towards the through hole by self elasticity and cover the through hole, the steel balls are extruded by the clamping sleeve to move towards the mounting groove, and the steel balls are partially positioned in the mounting groove.
Preferably, a positioning step for preventing the steel balls from falling off is arranged at one end of the through hole facing the mounting groove; further, the positioning step is positioned at one side of the through hole close to the notch of the mounting groove, the outer wall part of the inner sleeve is positioned at the through hole, and the inner sleeve and the positioning step jointly support the steel ball to prevent the steel ball from falling into the mounting groove;
when the water gap pipe fitting is inserted into the mounting groove, the water gap pipe fitting extrudes the inner sleeve to move, the steel balls lose the support of the inner sleeve and are extruded by the clamping sleeve, the steel balls move towards the mounting groove, and the steel balls are partially positioned in the mounting groove.
Preferably, the outside of above-mentioned main part is provided with and is used for restricting the gliding blocking part of cutting ferrule, blocking part is located the cutting ferrule orientation the slip direction of through-hole, further, blocking part is the metal retaining ring of setting in the main part, and the material is preferably stainless steel.
The connecting structure comprises a water gap pipe fitting and the water gap connector, wherein any one end of the water gap pipe fitting is inserted into the mounting groove and sleeved with the top core, and an annular boss matched with the fastening component is arranged on the outer side of one end of the water gap pipe fitting inserted into the mounting groove; when the water gap pipe fitting enters the mounting groove, the water gap pipe fitting is continuously pushed, and the water gap pipe fitting is contacted with the sealing ring;
furthermore, the inner side of the top of the boss is provided with an inclined plane, and after the inclined plane contacts with the steel ball, the inclined plane increases the contact area of the boss and the steel ball, and the connection tightness of the water gap pipe fitting is improved.
The embodiment of the invention has the beneficial effects that:
the fastening assembly penetrates into the mounting groove to radially fasten the water gap pipe fitting, the water gap joint fastens the water gap pipe fitting and the water gap joint through the fastening assembly, the water gap joint is convenient to detach, the sealing ring radially seals the water gap pipe fitting, and safe and reliable water gap joint connection and quick assembly are guaranteed.
The annular boss is arranged on the water gap pipe fitting, and after the water gap pipe fitting enters the installation groove, the fastening component stretches into the installation groove and is matched with the boss, so that the fastening of the water gap pipe fitting is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a nozzle joint according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of a ferrule according to an embodiment of the present invention;
FIG. 3 is a schematic view of a radial cross-sectional structure of a body with a through hole according to an embodiment of the present invention;
FIG. 4 is a schematic view of an inner sleeve according to an embodiment of the present invention;
FIG. 5 is a schematic view of a main structure with a through hole according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a top core structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of a connection structure according to the present invention;
FIG. 8 is a schematic view of the structure of the nozzle fitting of the present invention after connection with a nozzle tube;
fig. 9 is a schematic structural view of a nozzle tube according to the present invention.
Icon: 1-jacking core; 2-a main body; 3-mounting grooves; 4-a fastening assembly; 5-a sealing ring; 6-an inner sleeve; 7-sealing a spring; 8-a barrier; 9-a water gap pipe fitting; 91-boss; 92-inclined plane; 41-steel balls; 42-cutting sleeve; 43-through holes; 44-sliding grooves; 45-locking springs; 46-positioning the step; 11-mounting steps; 111-a first pipe section; 112-step surface; 113-a second pipe section; 12-an annular groove; 61-an extrusion groove; 421-receiving slots.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, the present embodiment provides a nozzle joint, which includes a main body 2 and a top core 1 for liquid circulation, wherein the top core 1 is provided with a liquid flow hole penetrating through the top core 1, and the main body 2 is sleeved with the top core 1; a mounting groove 3 for connecting a water gap joint with a water gap pipe fitting 9 is arranged between the main body 2 and the top core 1, a sealing piece for sealing and connecting the water gap pipe fitting 9 is arranged in the mounting groove 3, the sealing piece is a sealing ring 5, a part of the sealing ring 5 is positioned in the main body 2, and a fastening component 4 stretching towards the inside of the mounting groove 3 is arranged on the main body 2;
the mouth of a river pipe fitting 9 inserts in the mounting groove 3, mouth of a river pipe fitting 9 cup joints top core 1, part of sealing washer 5 is located inside the mounting groove 3, sealing washer 5 extrudees and sealing connection mouth of a river pipe fitting 9 from the radial direction of mouth of a river pipe fitting 9, the leakproofness of mouth of a river joint structure has been improved, fastening assembly 4 radially fastens the mouth of a river pipe fitting 9 in the mounting groove 3 of going deep into, prevent that mouth of a river pipe fitting 9 from deviating from in the mounting groove 3, fastening assembly 4 shifts out in the mounting groove 3, separate mouth of a river pipe fitting 9 and mouth of a river joint, fastening assembly 4 radially seals mouth of a river pipe fitting 9, mouth of a river joint assembly, and it is convenient to dismantle.
The outside of top core 1 be provided with the installation step 11 of top core 1 terminal surface intercommunication top core 1 intercommunication installation step 11's one end cup joints main part 2, installation step 11 are located mounting groove 3, and installation step 11 is for setting up the annular installation step 11 in the top core 1 outside, and the gap between installation step 11 and main part 2 has formed mounting groove 3.
The mounting groove 3 is annular structure, and sealing washer 5 cup joints top core 1, and the notch of mounting groove 3 is provided with the terminal surface intercommunication of the 11 one end of installation step with top core 1, and top core 1 is cup jointed from the outside of top core 1 to main part 2, and top core 1 cup joints the terminal surface of end with main part 2 and sets up annular mounting groove 3, and top core 1 is cup jointed from mounting groove 3 to mouth of a river pipe fitting 9.
The installation step 11 comprises a first pipe section 111, a step surface 112 and a second pipe section 113, the diameter of the second pipe section 113 is larger than that of the first pipe section 111, the second pipe section 113 is connected with the main body 2, the first pipe section 111 is provided with an annular groove 12 used for placing the sealing ring 5, a part of the sealing ring 5 is located in the annular groove 12, further, the depth of the annular groove 12 is 60% -70% of the line diameter of the sealing ring 5, the width of the sealing ring 5 is preferably 1.2mm, the sealing ring 5 is in clearance fit with the annular groove 12, the fit clearance is larger than 0mm and smaller than 0.2mm, when the water gap pipe fitting 9 enters the installation groove 3, the sealing ring 5 radially seals the water gap pipe fitting 9 from the inner side of the water gap pipe fitting 9, the sealing performance of the water gap joint is high, and the sealing ring 5 cannot deform due to uneven stress of the water gap pipe fitting 9.
In order to improve the compactness of the water gap joint after being connected with the water gap pipe fitting 9, the first pipe section 111 is provided with a plurality of annular grooves 12 along the axial direction of the top core 1, each annular groove 12 is internally provided with a sealing ring 5, and the plurality of sealing rings 5 extrude the water gap pipe fitting 9 from different parts of the water gap pipe fitting 9, so that the water gap joint is effectively prevented from leaking.
An inner sleeve 6 is sleeved in the mounting groove 3, the inner sleeve 6 is annular, one end of the inner sleeve 6 facing the notch of the mounting groove 3 is provided with an extrusion groove 61 for extruding the water gap pipe fitting 9, when the water gap pipe fitting 9 penetrates into the mounting groove 3, the water gap pipe fitting 9 is contacted with the extrusion groove 61 of the inner sleeve 6, and the extrusion groove 61 extrudes the end part of the water gap pipe fitting 9 and fastens the water gap pipe fitting;
the sealing spring 7 used for extruding the inner sleeve 6 to attach to the water gap pipe fitting 9 is arranged in the mounting groove 3, one end of the sealing spring 7 is connected with the extrusion groove 61, the other end of the sealing spring 7 is connected with the step surface 112, the sealing spring 7 increases the extrusion force of the inner sleeve 6 to the water gap pipe fitting 9, after the water gap pipe fitting 9 goes deep into the mounting groove 3, the water gap pipe fitting 9 is pushed to extrude the inner sleeve 6, the inner sleeve 6 extrudes the sealing spring 7, when the sealing spring 7 reaches the maximum compression amount, the fastening assembly 4 goes deep into the mounting groove 3, the fastening assembly 4 fixes the water gap pipe fitting 9, and the water gap pipe fitting 9 is prevented from falling out of the mounting groove 3.
The fastening component 4 comprises a steel ball 41 and a clamping sleeve 42 which is sleeved on the outer side of the main body 2 in a sliding manner; the main body 2 is provided with a through hole 43 for placing the steel ball 41, one end of the through hole 43 faces the mounting groove 3, the other end of the through hole 43 faces the clamping sleeve 42, the depth of the through hole 43 is smaller than the diameter of the steel ball 41, and the diameter of the through hole 43 is larger than the diameter of the steel ball 41;
one end of the through hole 43 facing the mounting groove 3 is provided with a positioning step 46 for preventing the steel ball 41 from falling off; the positioning step 46 is positioned at one side of the through hole 43 close to the notch of the mounting groove 3, the outer wall part of the inner sleeve 6 is positioned at the through hole 43, and the inner sleeve 6 and the positioning step 46 jointly support the steel balls 41 to prevent the steel balls 41 from falling into the mounting groove 3; the outside of main part 2 is provided with and is used for limiting cutting ferrule 42 is slided blocking portion 8, blocking portion 8 is located cutting ferrule 42 is towards the slip direction of through-hole 43, blocking portion 8 is the metal retaining ring that sets up on main part 2, and the material of metal retaining ring is 304 stainless steel.
When the water gap pipe fitting 9 is inserted into the mounting groove 3, the water gap pipe fitting 9 presses the inner sleeve 6 to move, the steel balls 41 lose the support of the inner sleeve 6 and are pressed by the clamping sleeve 42, the steel balls 41 move towards the inside of the mounting groove 3, and the steel balls 41 are partially positioned in the mounting groove 3.
A sliding groove 44 is formed in the sleeving region of the main body 2 and the clamping sleeve 42, a locking spring 45 for pushing the clamping sleeve 42 to move towards the through hole 43 is arranged in the sliding groove 44, a containing groove 421 is formed in the bottom of one end of the clamping sleeve 42, which faces towards the steel ball 41, and the clamping sleeve 42 is pushed to slide away from the through hole 43; the clamping sleeve 42 presses the locking spring 45, when the locking spring 45 reaches the maximum compression amount, the accommodating groove 421 of the clamping sleeve 42 corresponds to the through hole 43, the steel balls 41 can move towards the accommodating groove 421, and the steel balls 41 are partially positioned in the accommodating groove 421;
when the clamping sleeve 42 is not pushed by external force, the locking spring 45 pushes the clamping sleeve 42 to move towards the through hole 43 by self elasticity and cover the through hole 43, the steel balls 41 are extruded by the clamping sleeve 42 to move towards the mounting groove 3, and the steel balls 41 are partially positioned in the mounting groove 3.
The main body 2 is provided with a plurality of through holes 43 at equal central angles, the through holes 43 are distributed by taking the center of the main body 2 as the center of a circle, each through hole 43 is respectively provided with a steel ball 41, and when the water gap pipe fitting 9 enters the mounting groove 3, the plurality of steel balls 41 fix the water gap pipe fitting 9, so that the tightness of the connection between the water gap pipe fitting 9 and a water gap joint is improved.
Referring to fig. 1, 2, 3, 4, 5 and 6, referring to fig. 7, 8 and 9, the present embodiment further provides a connection structure, including a nozzle pipe fitting 9 and the nozzle joint, where either end of the nozzle pipe fitting 9 is inserted into the mounting groove 3 and sleeved with the top core 1, and an annular boss 91 for matching with the fastening component 4 is provided on the outer side of the end of the nozzle pipe fitting 9 inserted into the mounting groove 3; when the water gap pipe fitting 9 enters the mounting groove 3, the water gap pipe fitting 9 is continuously pushed, the water gap pipe fitting 9 pushes the inner sleeve 6 to move, the steel balls 41 lose the support of the inner sleeve 6, the steel balls 41 are contacted with the boss 91 of the water gap pipe fitting 9, when the sealing spring 7 reaches the maximum compression amount, the boss 91 passes through the steel balls 41, the steel balls 41 are extruded by the clamping sleeve 42 to move towards the inside of the mounting groove 3, one end of the boss 91, which faces the inner side of the water gap pipe fitting 9, is provided with an inclined surface 92, the steel balls 41 are contacted with the inclined surface 92 of the boss 91, the clamping sleeve 42 compresses the steel balls 41 in the through holes 43, and meanwhile, the steel balls 41 fall to the lowest point; the locking spring 45 pushes the ferrule 42 to a maximum distance, the ferrule 42 being in contact with the blocking part 8.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (16)
1. A nozzle joint, characterized by comprising a main body (2) and a top core (1) for the circulation of a liquid, said top core (1) being nested inside said main body (2);
a mounting groove (3) used for being connected with a water gap pipe fitting (9) is arranged between the main body (2) and the top core (1), and a sealing element used for radially sealing the water gap pipe fitting (9) is arranged in the mounting groove (3);
the main body (2) is provided with a fastening component (4) which stretches towards the inside of the mounting groove (3), and the fastening component (4) is used for radially fastening the water gap pipe fitting (9);
an inner sleeve (6) is arranged in the mounting groove (3), and an extrusion groove (61) for extruding the water gap pipe fitting (9) is formed in one end, facing the notch of the mounting groove (3), of the inner sleeve (6); a sealing spring (7) for extruding the inner sleeve (6) to be attached to the water gap pipe fitting (9) is arranged in the mounting groove (3).
2. A nozzle joint according to claim 1, wherein the sealing member is a sealing ring (5), the sealing ring (5) being sleeved on the top core (1) and the sealing ring (5) being partly located inside the top core (1).
3. A nozzle joint according to claim 2, characterized in that an installation step (11) communicated with any end face of the top core (1) is arranged on the outer side of the top core (1), one end of the top core (1) communicated with the installation step (11) is sleeved with the main body (2), and the installation step (11) is located in the installation groove (3).
4. A nozzle according to claim 2, wherein the mounting groove (3) is of annular configuration, and the sealing ring (5) is sleeved on the mounting groove (3).
5. A nozzle joint according to claim 3, wherein the mounting step (11) comprises a first tube section (111), a step surface (112) and a second tube section (113);
the diameter of the second pipe section (113) is larger than that of the first pipe section (111), the second pipe section (113) is connected with the main body (2), the first pipe section (111) is provided with an annular groove (12) used for placing the sealing ring (5), and a part of the sealing ring (5) is located in the annular groove (12).
6. A nozzle according to claim 5, characterized in that the first pipe section (111) is provided with a plurality of annular grooves (12) in the axial direction of the top core (1), one sealing ring (5) being provided in each annular groove (12).
7. A nozzle joint according to claim 5, wherein the inner sleeve (6) is annular and is sleeved over the first tube section (111).
8. A nozzle according to claim 5, characterized in that one end of the sealing spring (7) is connected to the inner sleeve (6) and the other end of the sealing spring (7) is connected to the step surface (112).
9. A nozzle according to claim 8, wherein the side of the inner sleeve (6) opposite the extrusion groove (61) is provided with a limiting groove, and the end of the sealing spring (7) connected to the inner sleeve (6) is arranged in the limiting groove.
10. A nozzle joint according to claim 1, characterized in that the fastening assembly (4) comprises a steel ball (41) and a ferrule (42) slidingly sleeved outside the body (2);
the main body (2) is provided with a through hole (43) for placing the steel ball (41), one end of the through hole (43) faces the mounting groove (3), the other end of the through hole (43) faces the clamping sleeve (42), the depth of the through hole (43) is smaller than the diameter of the steel ball (41), and the diameter of the through hole (43) is larger than the diameter of the steel ball (41).
11. A nozzle according to claim 10, wherein the body (2) is provided with a plurality of through holes (43), the plurality of through holes (43) being equally angularly distributed about the centre of the body (2).
12. A nozzle according to claim 10, characterized in that a chute (44) is provided in the area where the body (2) is in socket connection with the ferrule (42), and a locking spring (45) is provided in the chute (44) for pushing the ferrule (42) towards the through hole (43).
13. A nozzle according to claim 10, characterized in that the end of the through hole (43) facing the mounting groove (3) is provided with a positioning step (46) for preventing the steel ball (41) from falling off.
14. A nozzle fitting according to claim 13, characterized in that the outer side of the body (2) is provided with a blocking portion (8) for limiting the sliding of the ferrule (42), the blocking portion (8) being located on the side of the body (2) close to the notch of the mounting groove (3).
15. A connecting structure, characterized by comprising a water gap pipe fitting (9) and the water gap joint as claimed in any one of claims 1-14, wherein any one end of the water gap pipe fitting (9) is inserted into the mounting groove (3) and sleeved with the top core (1), the fastening assembly radially fixes the water gap pipe fitting (9) inserted into the mounting groove (3), and the inner wall of the water gap pipe fitting (9) extrudes the sealing element and is in sealing connection with the sealing element.
16. A connection according to claim 15, characterized in that the end of the nozzle tube (9) inserted into the mounting groove (3) is provided with an annular boss (91) for cooperation with the fastening assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057921.6A CN109237791B (en) | 2018-09-11 | 2018-09-11 | Water gap connector and connecting structure comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057921.6A CN109237791B (en) | 2018-09-11 | 2018-09-11 | Water gap connector and connecting structure comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109237791A CN109237791A (en) | 2019-01-18 |
| CN109237791B true CN109237791B (en) | 2024-01-16 |
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| CN201811057921.6A Active CN109237791B (en) | 2018-09-11 | 2018-09-11 | Water gap connector and connecting structure comprising same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113238017B (en) * | 2020-06-08 | 2022-06-14 | 深圳延浩科技有限公司 | High-precision multi-interface multi-parameter water quality analyzer |
| CN112096992A (en) * | 2020-09-01 | 2020-12-18 | 格力电器（武汉）有限公司 | Quick-operation joint and have its connection structure |
| CN117570016B (en) * | 2023-11-15 | 2024-04-23 | 东莞市聚瑞电气技术有限公司 | Pump head structure for improving tightness and rotary valveless plunger pump |
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| JPH1144385A (en) * | 1997-07-29 | 1999-02-16 | Hitachi Metals Ltd | Attachment corrosion-proof pipe joint |
| KR100998940B1 (en) * | 2010-09-02 | 2010-12-09 | (주)유니벨 | Rotary joint using with steam |
| CN202091688U (en) * | 2011-06-10 | 2011-12-28 | 珠海格力电器股份有限公司 | Quick connector |
| CN103994290A (en) * | 2013-02-20 | 2014-08-20 | 珠海格力电器股份有限公司 | Quick connector |
| CN104455848A (en) * | 2013-09-25 | 2015-03-25 | 珠海格力电器股份有限公司 | Pipe joint device |
| CN209558680U (en) * | 2018-09-11 | 2019-10-29 | 珠海格力电器股份有限公司 | Water gap joint and connecting structure comprising same |
-
2018
- 2018-09-11 CN CN201811057921.6A patent/CN109237791B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144385A (en) * | 1997-07-29 | 1999-02-16 | Hitachi Metals Ltd | Attachment corrosion-proof pipe joint |
| KR100998940B1 (en) * | 2010-09-02 | 2010-12-09 | (주)유니벨 | Rotary joint using with steam |
| CN202091688U (en) * | 2011-06-10 | 2011-12-28 | 珠海格力电器股份有限公司 | Quick connector |
| CN103994290A (en) * | 2013-02-20 | 2014-08-20 | 珠海格力电器股份有限公司 | Quick connector |
| CN104455848A (en) * | 2013-09-25 | 2015-03-25 | 珠海格力电器股份有限公司 | Pipe joint device |
| CN209558680U (en) * | 2018-09-11 | 2019-10-29 | 珠海格力电器股份有限公司 | Water gap joint and connecting structure comprising same |
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| CN109237791A (en) | 2019-01-18 |
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