CN108302214B - Quick-assembling type freezing-free tap - Google Patents
Quick-assembling type freezing-free tap Download PDFInfo
- Publication number
- CN108302214B CN108302214B CN201810218697.8A CN201810218697A CN108302214B CN 108302214 B CN108302214 B CN 108302214B CN 201810218697 A CN201810218697 A CN 201810218697A CN 108302214 B CN108302214 B CN 108302214B
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- rotating rod
- quick
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000000919 ceramic Substances 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000010985 leather Substances 0.000 claims description 15
- 238000007710 freezing Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008014 freezing Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/34—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
Abstract
The quick-assembling type freezing-free water tap has a valve core with a pipeline structure of lower water inlet and upper water outlet; the lower part of the external tooth rotating rod is connected with the movable ceramic chip through a convex groove structure; the upper part of the fixed seat is welded with the lower part of the fixed pipe; the lifting inner tube is arranged inside the fixed tube; the lower end of the lifting inner pipe is welded with an internal tooth joint, and a one-way valve is arranged in the internal tooth joint; the internal tooth connector is in clearance fit with external teeth at the upper part of the external tooth rotating rod; the locking nut and the fixed connecting nut are sleeved at the middle upper part of the fixed pipe; a gap is formed between the lower part of the fixed connection nut and the fixed pipe, and the upper end of the embedded pipeline is inserted in the gap and is connected with the internal thread of the fixed connection nut. The quick-assembly type freeze-free water nozzle can ensure that outdoor water is convenient in winter, and the problems of freezing death, freezing crack and the like of a pipeline and the water nozzle are avoided; the method has the advantages that engineering construction is not needed, market blank is filled, no energy is wasted, energy consumption and heat preservation are not needed, professional construction is not needed, installation, maintenance and replacement can be realized by simple tools, rapid installation is realized, and maintenance is convenient.
Description
Technical Field
The invention relates to an outdoor freeze-free water nozzle, in particular to a quick-assembly freeze-free water nozzle.
Background
The more the types of similar antifreezing products are on the market at present. The most common is an emptying water nozzle, the working principle is that after a valve core is closed, residual water in a vertical pipe is discharged into an underground infiltration tank, the anti-freezing water nozzle needs to be embedded by digging a deep pit, and building materials such as cement, brick blocks, sand and stone are needed, so that professional building work and water heating work are needed to work simultaneously, and the time and the labor are wasted, and the engineering quantity is large; the service life of the water seepage pool and the water nozzle is very short, and secondary construction is needed once the problem occurs. The other is to realize the anti-freezing purpose by means of heat preservation, electric heating and the like, so that the safety and the stability are extremely poor, the energy is wasted, and the fund investment is increased.
Therefore, the problem of freezing prevention of water nozzles has been plagued by wide customers who use water outdoors in winter.
Disclosure of Invention
The invention provides a quick-assembly type freezing-free water nozzle capable of realizing freezing-free of a pipeline water nozzle without engineering construction aiming at the technical defects in the background art.
In order to achieve the aim of the invention, the invention adopts the following technical scheme: a quick-assembly type freeze-free water nozzle comprises a fixed pipe, a lifting inner pipe, a quick-opening valve core, a water outlet nozzle and a handle; the fixed pipe is inserted into the embedded pipeline, the lower end of the fixed pipe is provided with a valve core, and the valve core is a ceramic quick-opening valve core which is opened and closed at 90 degrees; the water outlet nozzle is arranged at the upper end of the fixed pipe;
the quick-opening valve core is of a pipeline structure with lower water inlet and upper water outlet and comprises a locking joint, a fixed ceramic chip, a movable ceramic chip, a fixed seat and an external tooth rotating rod; the internal tooth connector also comprises a one-way valve, an external leather cup, a fixed connection nut and a locking nut;
the locking joint, the fixed ceramic chip, the movable ceramic chip, the fixed seat and the external tooth rotating rod are sequentially connected from bottom to top; the lower part of the external tooth rotating rod is connected with the movable ceramic chip through a convex groove structure, and forms a valve core assembly with the fixed ceramic chip and the fixed seat through a locking joint; the upper part of the fixed seat is welded with the lower part of the fixed pipe;
the lifting inner pipe is arranged inside the fixed pipe and is sleeved with the fixed pipe concentrically; the lower end of the lifting inner pipe is welded with an internal tooth connector, a one-way valve is fixedly arranged in the internal tooth connector through a connecting piece, the one-way valve is made of rubber, the side face of the one-way valve is sealed with the internal tooth connector, the internal tooth connector is in clearance fit with external teeth on the upper part of an external tooth rotating rod, and torque is transmitted through tooth meshing;
the locking nut and the fixed connecting nut are sleeved at the middle upper part of the fixed pipe; the locking nut is sleeved on the outer wall of the fixed pipe above the fixed connecting nut through threads; a rubber sleeve is sleeved between the fixed pipe and the fixed connecting nut, and the upper end surface of the rubber sleeve is attached to the lower end surface of the locking nut; a gap is formed between the lower part of the fixed connection nut and the fixed pipe, and the upper end of the embedded pipeline is inserted in the gap and is connected with the internal thread of the fixed connection nut;
the upper end of the lifting inner pipe penetrates through the upper end face of the fixed pipe and the water outlet nozzle, and the upper free end of the lifting inner pipe is installed together with the handle through the handle joint.
As a preferable scheme: the internal tooth joint is of a hollow structure, the inner wall of the lower part of the internal tooth joint is provided with saw teeth, and the outer wall of the upper part of the internal tooth joint is provided with a side hole; the upper end face of the internal tooth connector is welded and fixed with the lower end face of the lifting inner tube, the one-way valve is fixed in the middle of the internal tooth connector through a clamping ring, and the hollow parts of the two are concentrically aligned.
As a preferable scheme: the outer side of the internal tooth joint is sleeved with a leather cup.
As a preferable scheme: the external tooth rotating rod is a hollow pipe body, the outer wall of the upper part of the external tooth rotating rod is provided with saw teeth, and the lower part of the external tooth rotating rod is provided with a straight-line-shaped bulge; the upper sawtooth of the external tooth rotating rod is meshed with the internal tooth connector, the bulge at the lower part of the external tooth rotating rod is connected with the movable ceramic plate groove, and the hollow part of the external tooth rotating rod is concentrically aligned with the internal tooth connector.
As a preferable scheme: a guide positioning joint is arranged in the upper end of the water outlet nozzle, and the lifting inner pipe penetrates through the guide positioning joint; the upper part of the center of the guiding positioning joint is provided with an annular rotary groove with a notch, and the outer part of the lifting inner pipe at the corresponding position in the rotary groove is sleeved with an elastic pin of the water outlet nozzle.
As a preferable scheme: a handle elastic pin is arranged in the handle joint and is arranged at the end part of the lifting inner pipe in the handle joint.
As a preferable scheme: the water flow flows through the locking joint, the fixed ceramic sheet, the movable ceramic sheet and the inner hole of the external tooth rotating rod from the lower part, passes through the middle hole of the valve core and flows out from the upper end of the valve core into the fixed pipe.
The quick-mounting type freeze-free water nozzle disclosed by the invention adopts a long rod-shaped waterway control system, so that convenience in outdoor water use in winter can be ensured, and the problems of freezing death, freezing crack and the like of a pipeline and the water nozzle are avoided; the method has the advantages that engineering construction is not needed, market blank is filled, no energy is wasted, energy consumption and heat preservation are not needed, professional construction is not needed, installation, maintenance and replacement can be realized by simple tools, rapid installation is realized, and maintenance is convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic view of the mounting structure of the present invention.
Fig. 4 is a schematic view showing the upper partial structure of the fixing tube in the present invention.
Fig. 5 is a schematic view showing a lower partial structure of a fixing tube in the present invention.
Fig. 6 is a schematic view showing the structure of the water nozzle in the closed state.
Fig. 7 is a schematic view of a drainage state structure in the present invention.
Fig. 8 is an exploded view of the present invention.
In the figure: the embedded pipeline 1, the locking joint 2, the fixed ceramic chip 3, the movable ceramic chip 4, the wear-resistant ring 5, the fixed seat 6, the fixed pipe 7, the friction ring 8, the external tooth rotating rod 9, the internal tooth joint 10, the leather cup 11, the retainer ring 12, the one-way valve 13, the lifting inner pipe 14, the fixed connection nut 15, the rubber sleeve 16, the locking nut 17, the water outlet nozzle 18, the V-shaped sealing rubber ring 19, the O-shaped ring 20, the guiding and positioning joint 21, the elastic pin 22, the handle 23, the elastic pin 24, the handle joint 25, the screw 26, the O-shaped ring 27, the O-shaped ring 28 and the O-shaped ring 29.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-8, the quick-assembly type freeze-free water tap disclosed by the invention comprises a locking joint 2, a fixed ceramic sheet 3, a movable ceramic sheet 4, a wear-resistant ring 5, a fixed seat 6, a fixed pipe 7, a friction ring 8, an external tooth rotating rod 9, an internal tooth joint 10, a leather cup 11, a check ring 12, a one-way valve 13, a lifting inner pipe 14, a fixed connecting nut 15, a rubber sleeve 16, a locking nut 17, a water outlet nozzle 18, a V-shaped sealing rubber ring 19, an O-shaped ring 20, a guiding and positioning joint 21, an elastic pin 22, a handle 23, an elastic pin 24, a handle joint 25, a screw 26, an O-shaped ring 27, an O-shaped ring 28 and an O-shaped ring 29.
The pre-buried pipeline 1 is arranged at the water pipe installation position in advance, and the fixed pipe 7 is inserted into the pre-buried pipeline 1. The locking joint 1 is arranged at the lower end of the fixed pipe 7, and a valve core is arranged in the lower end of the fixed pipe 7, and is preferably a ceramic quick-opening valve core which is opened and closed at 90 degrees. A water outlet nozzle 18 is mounted at the upper end of the fixed tube 7.
The quick-opening valve core is of a lower water inlet upper water outlet type pipeline structure and comprises a locking joint 2, a fixed ceramic chip 3, a movable ceramic chip 4, a fixed seat 6 and an external tooth rotating rod 9, wherein a wear-resisting ring 5 is arranged between the fixed seat and the movable ceramic chip. The locking joint, the fixed ceramic chip, the movable ceramic chip, the fixed seat and the external tooth rotating rod are sequentially connected from bottom to top. The lower part of the external tooth rotating rod is connected with the movable ceramic chip through a convex groove structure, and forms a valve core assembly with the fixed ceramic chip and the fixed seat through a locking joint; the upper part of the fixed seat is welded with the lower part of the fixed pipe. The water flow flows through the locking joint, the fixed ceramic sheet, the movable ceramic sheet and the inner hole of the external tooth rotating rod from the lower part, passes through the middle hole of the valve core and flows out from the upper end of the valve core into the fixed pipe.
The lifting inner tube 14 is arranged inside the fixed tube 7 and is sleeved with the fixed tube concentrically. The lower part of the lifting inner pipe is welded with an internal tooth connector, a one-way valve 13 is arranged in the internal tooth connector, the internal tooth connector 10 and the external tooth rotating rod 9 rotate through tooth meshing, the lower part of the external tooth rotating rod 9 is connected with the movable ceramic chip, and the fixed ceramic chip 3, the movable ceramic chip 4 and the external tooth rotating rod 9 are combined into a component through the locking connector 2 and the fixed seat 6. The internal tooth joint is of a hollow structure, the inner wall of the lower part of the internal tooth joint is provided with saw teeth, and the outer wall of the upper part of the internal tooth joint is provided with a plurality of side holes; the upper end face of the internal tooth connector is welded and fixed with the lower end face of the lifting inner pipe, a one-way valve is arranged in the internal, and the hollow parts of the internal tooth connector and the lifting inner pipe are concentrically aligned. The external tooth dwang is the cavity body, and its upper portion outer wall takes the sawtooth, and its lower part takes flange and ceramic chip cooperation to rotate relatively with the fixing base inner wall, the rotation scope is 90 degrees. The saw teeth on the upper part of the external tooth rotating rod are meshed with the internal tooth connector, and the hollow part of the external tooth rotating rod is concentrically aligned with the internal tooth connector.
A leather cup 11 is sleeved outside the inner tooth joint welded at the lower part of the lifting inner pipe, and the leather cup 11 is made of soft rubber. The middle part of the internal tooth joint is provided with 2 water passing through holes.
The locking nut 17 and the fixed connection nut 15 are sleeved at the middle upper part of the fixed pipe 7. The locking nut 17 is sleeved on the outer wall of the fixed pipe 7 above the fixed connection nut 15 through threads. A rubber sleeve 16 is sleeved between the fixed pipe 7 and the fixed connecting nut 15, and the upper end surface of the rubber sleeve 16 is attached to the lower end surface of the locking nut 17. By rotating the lock nut, the lock nut compresses the rubber sleeve, and the clamping of the fixed pipe is realized. A gap is formed between the lower part of the fixed connection nut 15 and the fixed pipe 7, and the upper end of the embedded pipeline 1 is inserted in the gap and is connected with the internal thread of the fixed connection nut.
The upper end of the inner tube 14 is pulled to pass through the upper end face of the fixed tube 7 and the water outlet nozzle 18, and the upper free end of the inner tube is installed with the handle 23 through the handle joint 25. A guiding and positioning joint 21 is arranged in the upper end of the water outlet nozzle, and the inner pipe 14 is pulled to pass through the guiding and positioning joint. The upper central part of the guiding and positioning joint 21 is provided with an annular rotary groove, the rotary groove is provided with a notch, the positioning and guiding joint realizes static seal with the inner wall of the water outlet nozzle through an external O-shaped ring, and dynamic seal with the lifting inner pipe is realized through a V-shaped ring. An elastic pin 22 is sleeved on the lifting inner pipe at the corresponding part of the rotary groove. In the open state, the elastic pin 22 is clamped in the rotary groove to prevent components such as a handle, a lifting inner pipe and the like from moving upwards under the action of water pressure; in the closed state, the elastic pins 22 are aligned with the notches of the rotary grooves, and in this state, the rotary grooves and the elastic pins are not axially fixed relatively and can move upwards. An elastic pin 24 is mounted in the handle joint 25, by means of which the inner handle tube, the handle joint and the handle are fastened together. The elastic pin is adopted to compensate the installation clearance caused by machining errors in the manufacturing process, and the radial elastic force of the elastic pin can realize self-fixing, so that the falling problem in the transportation and use processes can be effectively avoided.
In the product, reference numeral 19 is a V-shaped sealing ring, reference numeral 20 is an O-shaped ring, and 27-29 are all O-shaped rings, and are used as sealing.
The ceramic valve core is placed below the frozen soil layer through the extension pipe, and the handle 23 controls the valve core to be opened and closed through lifting the inner pipe 14, the inner tooth joint 10 and other parts. The valve core is a ceramic quick-opening valve core, is opened and closed at 90 degrees, has long service life, is convenient to open and close, and saves water resources.
Fig. 3 shows a water flow channel in the state that the water nozzle is opened, and water flows through the inner holes of the locking joint 2, through the inner holes of the fixed ceramic plate 3, the movable ceramic plate 4, the outer tooth rotating rod 9 and the side holes of the inner tooth joint 10; the leather cup 11 is flushed under the action of pressure, enters the interlayer of the lifting inner pipe and the fixed pipe, and finally flows out through the water outlet nozzle 18. In the open state, the elastic pin 22 of the water outlet nozzle is clamped in the rotary groove of the guiding and positioning joint 21, so that rotary components such as a handle, a lifting inner pipe and the like are prevented from moving upwards under the action of water pressure.
Fig. 6 shows a state that the water nozzle is closed, the handle 23 and the water nozzle 18 are positioned in the same plane, and the movable ceramic chip 4 and the fixed ceramic chip 3 realize water path interception. In the closed state, the elastic pin 22 of the water outlet nozzle is aligned with the notch of the rotary groove of the guiding and positioning joint 21, and the upward freedom degree of the elastic pin is not limited any more.
Fig. 7 shows a drainage state. The key point of the anti-freezing is that in the closed state of the water nozzle, the related parts 10, 11, 12, 13, 14, 18, 19, 20, 21, 22, 24 and 25 are driven to move upwards by pulling the handle 23, and at the moment, the clearance fit inner teeth and outer teeth of the saw teeth in the outer tooth rotating rod 9 and the inner tooth connector 10 are disengaged, so that the valve core is always in the closed state in the process of pulling drainage, wherein the leather cup 11 is in movable sealing with the inner wall of the fixed pipe 7 in the upward movement process, and the water in the interlayer of the lifting inner pipe and the fixed pipe is driven to move upwards and flow out through the water outlet nozzle. Vacuum is generated in the interlayer in the upward movement process of the leather cup, the one-way valve 13 is opened under the action of vacuum negative pressure, air is supplemented into the cavity at the lower part of the leather cup, and the vacuum environment (laborious pulling) caused in the upward movement process of the leather cup is compensated, so that the leather cup moves smoothly and saves labor. The check valve 13 realizes the check seal under the valve core opening water pressure effect, and the bigger the water pressure is, the better the sealing effect is, and no water remains in the lifting inner pipe. After the related components are pulled to the top end, the leather cup moves to the lower edge of the water outlet hole at the uppermost end, water in the interlayer is completely discharged from the water outlet nozzle, and then the components are pushed to return to the bottom end. In this state, there is no water residue in the riser above the quick-opening valve core from the bottom end, so as to realize the purpose of no freezing.
Claims (7)
1. A quick-assembly type freeze-free water nozzle comprises a fixed pipe, a lifting inner pipe, a quick-opening valve core, a water outlet nozzle and a handle; the fixed pipe is inserted into the embedded pipeline, the lower end of the fixed pipe is provided with a valve core, and the valve core is a ceramic quick-opening valve core which is opened and closed at 90 degrees; the water outlet nozzle is arranged at the upper end of the fixed pipe;
the method is characterized in that: the quick-opening valve core is of a pipeline structure with lower water inlet and upper water outlet and comprises a locking joint, a fixed ceramic chip, a movable ceramic chip, a fixed seat and an external tooth rotating rod; the internal tooth connector also comprises a one-way valve, an external leather cup, a fixed connection nut and a locking nut;
the locking joint, the fixed ceramic chip, the movable ceramic chip, the fixed seat and the external tooth rotating rod are sequentially connected from bottom to top; the lower part of the external tooth rotating rod is connected with the movable ceramic chip through a convex groove structure, and forms a valve core assembly with the fixed ceramic chip and the fixed seat through a locking joint; the upper part of the fixed seat is welded with the lower part of the fixed pipe;
the lifting inner pipe is arranged inside the fixed pipe and is sleeved with the fixed pipe concentrically; the lower end of the lifting inner pipe is welded with an internal tooth connector, a one-way valve is fixedly arranged in the internal tooth connector through a connecting piece, the one-way valve is made of rubber, the side face of the one-way valve is sealed with the internal tooth connector, the internal tooth connector is in clearance fit with external teeth on the upper part of an external tooth rotating rod, and torque is transmitted through tooth meshing;
the locking nut and the fixed connecting nut are sleeved at the middle upper part of the fixed pipe; the locking nut is sleeved on the outer wall of the fixed pipe above the fixed connecting nut through threads; a rubber sleeve is sleeved between the fixed pipe and the fixed connecting nut, and the upper end surface of the rubber sleeve is attached to the lower end surface of the locking nut; a gap is formed between the lower part of the fixed connection nut and the fixed pipe, and the upper end of the embedded pipeline is inserted in the gap and is connected with the internal thread of the fixed connection nut;
the upper end of the lifting inner pipe penetrates through the upper end face of the fixed pipe and the water outlet nozzle, and the upper free end of the lifting inner pipe is installed together with the handle through the handle joint.
2. The quick-fit type freeze-free water nozzle according to claim 1, wherein the internal tooth joint is of a hollow structure, the inner wall of the lower part of the internal tooth joint is provided with saw teeth, and the outer wall of the upper part of the internal tooth joint is provided with a side hole; the upper end face of the internal tooth connector is welded and fixed with the lower end face of the lifting inner tube, the one-way valve is fixed in the middle of the internal tooth connector through a clamping ring, and the hollow parts of the two are concentrically aligned.
3. The quick-fit freeze-free water nozzle of claim 1, wherein a leather cup is sleeved outside the inner tooth joint.
4. The quick-mounting type freeze-free water nozzle according to claim 1, wherein the external tooth rotating rod is a hollow pipe body, the outer wall of the upper part of the external tooth rotating rod is provided with saw teeth, and the lower part of the external tooth rotating rod is provided with a straight-line-shaped bulge; the upper sawtooth of the external tooth rotating rod is meshed with the internal tooth connector, the bulge at the lower part of the external tooth rotating rod is connected with the movable ceramic plate groove, and the hollow part of the external tooth rotating rod is concentrically aligned with the internal tooth connector.
5. The quick-mounting type freeze-free water nozzle according to claim 1, wherein a guide positioning joint is arranged in the upper end of the water outlet nozzle, and the lifting inner pipe penetrates through the guide positioning joint; the upper part of the center of the guiding positioning joint is provided with an annular rotary groove with a notch, and the outer part of the lifting inner pipe at the corresponding position in the rotary groove is sleeved with an elastic pin of the water outlet nozzle.
6. The quick-fit freeze-free water nozzle of claim 1 wherein a handle spring pin is mounted within the handle fitting and is disposed at the end of the pull inner tube within the handle fitting.
7. The quick-assembling type freeze-free water tap according to claim 1, wherein water flows from the lower part through the locking joint, the fixed ceramic chip, the movable ceramic chip and the inner hole of the external tooth rotating rod, passes through the middle hole of the valve core and flows out from the upper end of the valve core into the fixed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218697.8A CN108302214B (en) | 2018-03-16 | 2018-03-16 | Quick-assembling type freezing-free tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218697.8A CN108302214B (en) | 2018-03-16 | 2018-03-16 | Quick-assembling type freezing-free tap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108302214A CN108302214A (en) | 2018-07-20 |
| CN108302214B true CN108302214B (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218697.8A Active CN108302214B (en) | 2018-03-16 | 2018-03-16 | Quick-assembling type freezing-free tap |
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| Country | Link |
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| CN (1) | CN108302214B (en) |
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| CN207961580U (en) * | 2018-03-16 | 2018-10-12 | 唐山开丰卫浴用品有限公司 | Ready-package is exempted to freeze water nozzle |
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Also Published As
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|---|---|
| CN108302214A (en) | 2018-07-20 |
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