CN109099308B - Gas adding device and gas filling device - Google Patents
Gas adding device and gas filling device Download PDFInfo
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- CN109099308B CN109099308B CN201811347858.XA CN201811347858A CN109099308B CN 109099308 B CN109099308 B CN 109099308B CN 201811347858 A CN201811347858 A CN 201811347858A CN 109099308 B CN109099308 B CN 109099308B
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- air inlet
- cavity
- sleeve
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- air
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- 230000002093 peripheral effect Effects 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005429 filling process Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 48
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- 238000005299 abrasion Methods 0.000 description 2
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- 238000003912 environmental pollution Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/046—Methods for emptying or filling by even emptying or filling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a gas adding device and a gas filling device, and relates to the technical field of gas filling. The gas adding device comprises a gun body, an inlet valve core, an exhaust port inner sleeve and a reversing sliding sleeve. The gun body is provided with an air inlet part, a pressure relief part and an air filling part, the air inlet part, the pressure relief part and the air filling part are respectively communicated with the sliding cavity and the outside, and the pressure relief part is positioned between the air inlet part and the air filling part. The reversing sliding sleeve is configured to slide along a preset direction to drive the inlet valve core to slide, so that the air inlet through hole is communicated with the air inlet part. The reversing sliding sleeve is configured to slide along a direction opposite to a preset direction so as to drive the inner sleeve of the exhaust port, and the pressure relief groove is communicated with the pressure relief gap. The gas adding device can improve the safety in the gas filling process and reduce the accident probability caused by gas filling.
Description
Technical Field
The invention relates to the technical field of gas filling, in particular to a gas filling device and a gas filling device.
Background
With the continuous development of the automobile industry, it is becoming urgent to solve the problems of energy shortage, environmental pollution and the like. Because of the advantages of high safety, low price, sufficient combustion, small environmental pollution and the like, vehicles using compressed natural gas as fuel have been rapidly developed in recent years.
The existing gas filling gun has potential safety hazard.
Disclosure of Invention
A first object of the present invention is to provide a gas adding device that can improve safety during gas filling and reduce the probability of accidents due to gas filling.
A second object of the present invention is to provide a gas filling device having the above gas filling device, which is highly safe in the gas filling process.
Embodiments of the present invention are implemented as follows:
a gas addition apparatus comprising:
the gun body is provided with a sliding cavity inside, the sliding cavity extends along the length direction of the gun body, the gun body is provided with an air inlet part, a pressure relief part and an air filling part, the air inlet part, the pressure relief part and the air filling part are respectively communicated with the sliding cavity and the outside, and the pressure relief part is positioned between the air inlet part and the air filling part;
the inlet valve core is slidably arranged in the sliding cavity and is close to the air inlet part, and an air inlet through hole communicated with the inner cavity of the inlet valve core is formed in the peripheral wall of the inlet valve core;
an inner sleeve of the exhaust port is slidably arranged in the sliding cavity and is close to the air inlet part, the inner cavity of the inner sleeve of the exhaust port is communicated with the air inlet part, a pressure relief gap communicated with the pressure relief part is arranged between the inner sleeve of the exhaust port and the inner wall of the gun body, and a pressure relief groove is formed in the peripheral wall of the inner sleeve of the exhaust port; and
the reversing sliding sleeve is slidably arranged in the sliding cavity and positioned between the inlet valve core and the inner sleeve of the exhaust port, and the inner cavity of the reversing sliding sleeve is communicated with the inner cavities of the inlet valve core and the inner sleeve of the exhaust port;
the reversing sliding sleeve is configured to slide along a preset direction to drive the inlet valve core to slide, so that the air inlet through hole is communicated with the air inlet part;
the reversing sliding sleeve is configured to slide along a direction opposite to a preset direction so as to drive the inner sleeve of the exhaust port, and the pressure relief groove is communicated with the pressure relief gap.
The inventor designs the gas adding device, and the gas adding device can improve the safety in the gas filling process and reduce the accident probability caused by gas filling. The gas adding device comprises a gun body, an inlet valve core, an exhaust port inner sleeve and a reversing sliding sleeve. The inner cavities of the reversing sliding sleeve are communicated with the inner cavities of the inlet valve core and the inner sleeve of the exhaust port. The sliding of the reversing sliding sleeve is used for respectively driving the inlet valve core and the exhaust port inner sleeve to slide in the sliding cavity, and the gun body has the function of exhausting or discharging air pressure in the sliding cavity through different positions of the inlet valve core or the exhaust port inner sleeve in the sliding cavity. Specifically, when the reversing sliding sleeve slides along a preset direction, the inlet valve core is driven to slide, so that the air inlet through hole is communicated with the air inlet part, air is introduced from the outside and finally discharged from the air inlet part, and the air adding device has the condition of being capable of carrying out an air adding process. In order to ensure safety, particularly, after the air is filled, the vehicle is required to be separated from the gun seat, high-pressure air in the gun body needs to be discharged firstly, and safety is ensured.
In one embodiment of the invention:
the gun body is provided with an open end which is communicated with the sliding cavity;
the air inlet part comprises an air inlet connector, the air inlet connector extends along the length direction of the gun body and is provided with a connecting end and an air inlet which are opposite to each other, the connecting end is connected with the open end, and the air inlet is communicated with the sliding cavity.
In one embodiment of the invention:
an air inlet sealing seat is arranged in the gun body, and the outer wall of the air inlet sealing seat is respectively and hermetically connected with the inner wall of the air inlet joint and the inner wall of the gun body;
the air inlet sealing seat is provided with a sliding channel which penetrates through the sliding cavity and the inner cavity of the air inlet joint;
the inlet valve core is slidably arranged in the sliding channel, and the reversing sliding sleeve is configured to slide along a preset direction so as to drive the inlet valve core to slide, so that the air inlet through hole is communicated with the inner cavity of the air inlet joint.
In one embodiment of the invention:
the air inlet connector is internally provided with an air inlet split-flow core, the air inlet split-flow core is provided with a first end and a second end which are opposite along the length direction of the gun body, the first end is connected with the end face of the air inlet sealing seat, the second end is cone-angle-shaped and is close to the air inlet, a gap is reserved between the peripheral wall of the air inlet split-flow core and the inner wall of the air inlet connector, the air inlet split-flow core is communicated with the air inlet, the air inlet split-flow core is internally provided with a first cavity penetrating through the first end, and the peripheral wall of the air inlet split-flow core is provided with a split-flow air inlet communicated with the split-flow channel and the first cavity;
the inlet valve core is slidably arranged in the sliding channel and the first cavity, and the end face of the inlet valve core, which is far away from the reversing sliding sleeve, is elastically connected with the bottom wall of the first cavity;
the reversing slide sleeve is configured to slide along a preset direction to drive the inlet valve core to slide, so that the air inlet through hole is communicated with the first cavity.
In one embodiment of the invention:
the reversing sliding sleeve is provided with a third end and a fourth end which are opposite along the length direction of the gun body;
the end face of the third end is provided with an embedded groove communicated with the internal cavity of the reversing sliding sleeve, the inner sleeve of the exhaust port is embedded in the embedded groove and is in sealing connection with the inner wall of the embedded groove, and the fourth end is close to the end face of the inlet valve core;
the reversing sliding sleeve is configured to slide along a preset direction through the fourth end to abut against the inlet valve core so as to drive the inlet valve core to slide, and the air inlet through hole is communicated with the air inlet part.
In one embodiment of the invention:
the side wall of the reversing sliding sleeve is provided with a fitting groove, and the fitting groove is slidably embedded with a rotating shaft bearing bush;
the shaft bushing is rotatably provided with a handle.
In one embodiment of the invention:
the inner wall of the gun body is provided with a support ring, and the support ring is positioned between the pressure relief gap and the reversing sliding sleeve;
the inner ring of the supporting ring is propped against the outer wall of the inner sleeve of the exhaust port, and the inner diameter of the supporting ring is smaller than the inner diameter of the sliding cavity.
In one embodiment of the invention:
the pressure release part comprises an exhaust connector, and the exhaust connector is positioned on the wall surface of the gun body;
one end of the exhaust joint is communicated with the pressure relief gap.
In one embodiment of the invention:
the air-adding part extends from the peripheral wall of the gun body along the length direction perpendicular to the gun body;
the sliding cavity is provided with a plug, the peripheral wall of the plug is provided with an exhaust hole, and the exhaust hole is communicated with the air-entraining part and the internal cavity of the plug;
one end of the inner sleeve of the exhaust port, which is far away from the reversing sliding sleeve, is slidably arranged in the inner cavity of the plug, and the inner sleeve of the exhaust port is elastically connected with the wall surface of the plug, which is far away from the reversing sliding sleeve.
The gas filling device comprises a gas filling gun head and any one of the gas filling devices;
the air gun head is connected with the air filling part.
The technical scheme of the invention has at least the following beneficial effects:
the gas adding device provided by the invention can improve the safety in the gas filling process and reduce the accident probability caused by high pressure.
The gas filling device provided by the invention is provided with the gas filling device, and the gas filling device is high in safety in the gas filling process.
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 gas feeding device according to embodiment 1 of the present invention at a first view angle;
FIG. 2 is a schematic diagram of the gas feeding apparatus according to embodiment 1 of the present invention at a second view angle;
FIG. 3 is a schematic structural diagram of the inlet valve core, the inner sleeve of the exhaust port and the reversing slide sleeve in embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of an intake manifold core according to embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a reversing sliding sleeve structure in embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of a reversing sliding sleeve in embodiment 1 of the present invention;
fig. 7 is a schematic structural diagram of a suspension structure of a gun body sliding sleeve in embodiment 1 of the present invention.
Icon: 10-a gas addition device; 10 a-an air-entraining gun head; 10A-an air-entrapping device; 11-gun body; 12-inlet valve core; 13-an inner vent sleeve; 14-reversing sliding sleeve; 14 a-a sliding base; 14 b-a transmission substrate; 15-plugs; 20-a rotating shaft bearing bush; 21-a handle; 30-a support ring; 31-a support connection; 32-sealing rings; 90-an air inlet; 91-a pressure relief section; 92-an air-entrapping part; 110-an air inlet sealing seat; 120-an air inlet through hole; 130-a pressure relief groove; 140-fit slots; 141-a fitting groove; 142-arc sliding surface; 143-an annular groove; 210-handle shaft; 211-handle grip; 310-annular groove; 900-an air inlet joint; 901-an air inlet split core; 910-an exhaust joint; 9010-split air inlet.
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, the azimuth or positional relationship indicated by the terms "inner", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; the two components can be mechanically connected, can be directly connected or can be indirectly connected through an intermediate medium, and can be communicated with each other. 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.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Example 1
The present embodiment provides a gas adding device 10, and the gas adding device 10 can improve the safety in the gas adding process and reduce the accident probability caused by gas adding.
Referring to fig. 1, fig. 1 shows a specific structure of a gas adding device 10 according to the present embodiment at a first viewing angle. In fig. 1, a gas filling gun head 10A is shown connected to a gas filling device 10, and in fig. 1, a gas filling device 10A is also shown which is composed of the gas filling device 10 and the gas filling gun head 10A.
Specifically, referring to fig. 2, fig. 2 shows a specific structure of the gas adding device 10 in the second view angle in this embodiment.
The gas adding device 10 comprises a gun body 11, an inlet valve core 12, an exhaust port inner sleeve 13 and a reversing slide sleeve 14.
Referring to fig. 3, fig. 3 shows the specific structures of the inlet valve core 12, the exhaust port inner sleeve 13 and the reversing slide sleeve 14 in this embodiment.
The inside of the gun body 11 is provided with a sliding cavity, the sliding cavity extends along the length direction of the gun body 11, the gun body 11 is provided with an air inlet portion 90, a pressure relief portion 91 and an air adding portion 92, the air inlet portion 90, the pressure relief portion 91 and the air adding portion 92 are respectively communicated with the sliding cavity and the outside, and the pressure relief portion 91 is located between the air inlet portion 90 and the air adding portion 92.
The inlet spool 12 is slidably disposed within the sliding cavity and adjacent the inlet portion 90, and the peripheral wall of the inlet spool 12 is provided with an inlet port 120 communicating with the internal cavity of the inlet spool 12.
The inner sleeve 13 of the exhaust port is slidably arranged in the sliding cavity and is close to the air inlet part 90, the inner cavity of the inner sleeve 13 of the exhaust port is communicated with the air filling part 92, a pressure relief gap communicated with the pressure relief part 91 is arranged between the inner sleeve 13 of the exhaust port and the inner wall of the gun body 11, and a pressure relief groove 130 is arranged on the peripheral wall of the inner sleeve 13 of the exhaust port. In the present embodiment, the pressure relief groove 130 is a thin and long bar-shaped hole.
The reversing slide sleeve 14 is slidably arranged in the sliding cavity and is positioned between the inlet valve core 12 and the exhaust port inner sleeve 13, and the inner cavity of the reversing slide sleeve 14 is communicated with the inner cavities of the inlet valve core 12 and the exhaust port inner sleeve 13.
Wherein the reversing slide sleeve 14 is configured to slide in a preset direction to drive the inlet spool 12 to slide such that the air inlet through hole 120 communicates with the air inlet portion 90;
the reversing slide sleeve 14 is configured to slide in a direction opposite to the preset direction to drive the exhaust port inner sleeve 13 such that the pressure relief groove 130 communicates with the pressure relief gap.
Specifically, in this embodiment, the pressure relief groove 130 does not penetrate through the wall surface of the exhaust port inner sleeve 13, and when the reversing slide sleeve 14 drives the exhaust port inner sleeve 13 to move in a direction opposite to the preset direction, the pressure relief groove 130 communicates with the pressure relief gap and the internal space of the gun body 11, so that the air pressure in the gun body 11 is released. When the pressure relief is not required, the pressure relief groove 130 cannot communicate with the pressure relief gap because the inner tube 13 of the exhaust port is sealed with the inner wall of the gun body 11.
Note that, in the embodiment, the preset direction is a linear direction, and in the drawing in the embodiment, the direction of the preset direction is identified. It should be noted that, in other embodiments, the preset direction may be a circumferential direction, which is used to drive the inlet valve core 12 or the exhaust port inner sleeve 13 to slide respectively in opposite directions, so as to perform the functions of exhausting or pressure relief.
Specifically, the gun body 11 has an open end that communicates with the sliding cavity.
The air inlet 90 includes an air inlet connector 900, and the air inlet connector 900 extends along the length direction of the gun body 11 and has opposite connection ends and an air inlet, the connection ends are connected with the open ends, and the air inlet is communicated with the sliding cavity.
The inside of the gun body 11 is provided with an air inlet sealing seat 110, the outer wall of the air inlet sealing seat 110 is respectively in sealing connection with the inner wall of the air inlet joint 900 and the inner wall of the gun body 11, the air inlet sealing seat 110 is provided with a sliding channel penetrating through the sliding cavity and the inner cavity of the air inlet joint 900, the inlet valve core 12 is slidably arranged in the sliding channel, and the reversing sliding sleeve 14 is configured to slide along a preset direction to drive the inlet valve core 12 to slide, so that the air inlet through hole 120 is communicated with the inner cavity of the air inlet joint 900.
Further, in order to ensure the stability and uniformity of the intake air, an intake air split core 901 is provided inside the intake joint 900. Referring to fig. 4, fig. 4 shows a specific structure of an intake split core 901.
The air inlet split core 901 is provided with a first end and a second end which are opposite along the length direction of the gun body 11, the first end is connected with the end face of the air inlet sealing seat 110, the second end is cone-angle-shaped and is close to the air inlet, a gap is formed between the peripheral wall of the air inlet split core 901 and the inner wall of the air inlet joint 900, the gap and the inner wall jointly define a split channel, the split channel is communicated with the air inlet, the inside of the air inlet split core 901 is provided with a first cavity penetrating through the first end, and the peripheral wall of the air inlet split core 901 is provided with a split air inlet hole 9010 communicated with the split channel and the first cavity. The inlet valve core 12 is slidably disposed in the sliding channel and the first cavity, and an end surface of the inlet valve core 12, which is far away from the reversing slide sleeve 14, is elastically connected with a bottom wall of the first cavity. Specifically, the inlet spool 12 is connected to the intake split core 901 by a spring.
The reversing slide sleeve 14 is configured to slide in a predetermined direction to drive the inlet spool 12 to slide such that the inlet port 120 communicates with the first cavity.
Please refer back to fig. 3.
The reversing slide sleeve 14 is provided with a third end and a fourth end which are opposite along the length direction of the gun body 11.
The end face of the third end is provided with an embedded groove 141 communicated with the internal cavity of the reversing sliding sleeve 14, the inner sleeve 13 of the exhaust port is embedded in the embedded groove 141 and is in sealing connection with the inner wall of the embedded groove 141, and the fourth end is close to the end face of the inlet valve core 12. The reversing slide sleeve 14 is configured to slide in a preset direction through the fourth end against the inlet spool 12 to drive the inlet spool 12 to slide such that the inlet port 120 communicates with the inlet portion 90.
Specifically, the side wall of the reversing slide sleeve 14 is provided with a fitting groove 140, the fitting groove 140 is slidably embedded with a shaft bushing 20, and the shaft bushing 20 is movably provided with a handle 21.
It should be noted that, the reversing slide sleeve 14, the shaft bushing 20 and the handle 21 together form a reversing slide sleeve structure, and referring to fig. 5 and 6, fig. 5 shows a specific structure of the reversing slide sleeve structure in this embodiment. Fig. 6 shows a specific structure of the reversing slide 14 in this embodiment.
The reversing slide sleeve 14 includes a slide base 14a and a transmission base 14b, the slide base 14a has a plurality of sides, the sides are planes, an arc slide surface 142 is provided between two adjacent sides, the arc slide surface 142 is configured to be in sliding fit with an inner cavity of the gun body 11 (i.e., a slide cavity inside the gun body 11 in this embodiment), one side of the slide base 14a is provided with a fitting groove 140, the transmission base 14b is disposed on an end surface of the slide base 14a, and the transmission base 14b is configured to drive the inlet valve core 12 in the gun body 11 to move.
The shaft bushing 20 is slidably disposed in the engagement groove 140, and the handle 21 is movably connected to the shaft bushing 20.
Specifically, the slide base 14a has four side surfaces, and the slide base 14a has four arcuate slide surfaces 142. The transmission base 14b is cylindrical, and the internal cavity of the transmission base 14b communicates with the internal cavity of the slide base 14 a. The inner diameter of the internal cavity of the slide base 14a is larger than the inner diameter of the cavity of the transmission base 14 b.
The interior cavity of the slide base 14a is configured for embedding the vent inner sleeve 13 in the air gun body 11. Specifically, the end surface of the slide base 14a is provided with an engaging groove 141 communicating with the internal cavity of the reversing slide sleeve 14, and the engaging groove 141 is engaged with the exhaust port inner tube 13.
An annular groove 143 is provided on the inner wall of the inner cavity of the slide base 14a, and the annular groove 143 is provided with a seal ring. The edge of the annular groove 143 adjacent to the transmission base 14b is chamfered.
In this embodiment, the extending direction of the engaging groove 140 is perpendicular to the direction from the sliding base 14a to the driving base 14b, and the shaft bushing 20 is detachably slidably engaged with the engaging groove 140.
The cross section of the engaging groove 140 is trapezoidal, and the shaft bushing 20 is clamped in the engaging groove 140 and slidingly engages with the engaging groove 140 along the extending direction of the engaging groove 140.
Further, the handle 21 includes a handle shaft 210 and a handle grip 211, the handle shaft 210 is rotatably connected to the shaft bushing 20, and the handle grip 211 is connected to an end of the handle shaft 210 away from the shaft bushing 20.
Referring back to fig. 2, the inner wall of the gun body 11 is provided with a supporting ring 30, the supporting ring 30 is located between the pressure relief gap and the reversing slide sleeve 14, the inner ring of the supporting ring 30 abuts against the outer wall of the inner sleeve 13 of the exhaust port, and the inner diameter of the supporting ring 30 is smaller than the inner diameter of the sliding cavity.
Specifically, the gun body 11, the support ring 30 and the inner sleeve 13 of the exhaust port jointly form a gun body sliding sleeve suspension structure, and the inner sleeve 13 of the exhaust port can reduce friction between inner walls of the gun body and the outer wall of the inner sleeve 13 of the exhaust port, so that the occurrence probability of air leakage is reduced.
Specifically, referring to fig. 7, fig. 7 shows a specific structure of a suspension structure of a gun body sliding sleeve.
The gun body 11 has a receiving cavity (sliding cavity in this embodiment) inside, the receiving cavity (sliding cavity in this embodiment) extends in a preset direction (the preset direction refers to the length direction of the gun body), and the inner wall of the receiving cavity is provided with a support connecting portion 31. The support ring 30 is disposed on the support connection portion 31, the exhaust inner sleeve 13 is disposed in the accommodating cavity, the outer wall of the exhaust inner sleeve 13 abuts against the inner ring of the support ring 30, and the exhaust inner sleeve 13 slidably cooperates with the support ring 30 along a predetermined direction, that is, the exhaust inner sleeve 13 is supported by the support ring 30 and is in no contact with the gun body 11.
Further, the inner annular wall surface of the support ring 30 is a plane for increasing the support area between the support ring 30 and the exhaust port inner sleeve 13, and further, for convenience of processing, the cross section of the support ring 30 is rectangular.
Further, the support connection portion 31 is an annular groove 310 formed in an inner wall of the accommodating cavity, the cross section of the annular groove 310 is rectangular, the support ring 30 is disposed in the annular groove 310, and the bottom surface of the support ring 30 and the outer ring surface of the support ring 30 respectively abut against the groove wall of the annular groove 310. In other embodiments, the supporting connection portion 31 may be a plurality of protruding blocks disposed on the inner wall of the accommodating cavity, the plurality of protruding blocks are distributed in a ring shape, and the outer ring of the supporting ring 30 is connected with the plurality of protruding blocks. In other embodiments, the support connection portion 31 is an annular bump disposed around the accommodating cavity, an outer ring of the annular bump is connected to an inner wall of the accommodating cavity, and an inner ring of the annular bump is connected to an outer ring of the support ring 30.
Specifically, the annular groove 310 is further provided with a sealing ring 32, and the sealing ring 32 is sleeved on the outer wall of the inner sleeve 13 of the exhaust port.
In this embodiment, the support ring 30 is a plastic support ring. Wherein, the plastic of the plastic support ring can be engineering plastic, for example: polyamides, polyoxymethylene, polycarbonate, modified polyphenylene oxide, thermoplastic polyesters, ultra-high molecular weight polyethylene, methylpentene polymers, vinyl alcohol copolymers, and the like. The plastic of the plastic supporting ring can also be special plastic, and the special plastic is indicated as follows: has special functions and can be used for plastics in the special application fields of aviation, aerospace and the like. For example, the fluoroplastic and the organosilicon have outstanding special functions of high temperature resistance, self lubrication and the like, and the reinforced plastic and the foamed plastic have special properties of high strength, high buffering and the like.
In this embodiment, the supporting ring 30 is used to support the inner sleeve 13 for exhaust, and reduce the abrasion of the outer wall of the inner sleeve 13 for exhaust, and the abrasion of the outer wall of the inner sleeve 13 for exhaust is smaller than that of the conventional gun body 11 made of metal.
Referring back to fig. 1, the pressure relief portion 91 includes an air vent connector 910, the air vent connector 910 is located on a wall surface of the gun body 11, and one end of the air vent connector 910 is communicated with the pressure relief gap.
Referring back to fig. 2, the air-filling portion 92 extends from the peripheral wall of the gun body 11 in a direction perpendicular to the length direction of the gun body 11;
the sliding cavity is provided with a plug 15, the peripheral wall of the plug 15 is provided with an exhaust hole, the exhaust hole is communicated with the air adding part 92 and the inner cavity of the plug 15, one end of the exhaust port inner sleeve 13, which is far away from the reversing sliding sleeve 14, is slidably arranged in the inner cavity of the plug 15, and the exhaust port inner sleeve 13 is elastically connected with the wall surface of the plug 15, which is far away from the reversing sliding sleeve 14. In this embodiment, the inner sleeve 13 of the exhaust port is connected with the plug 15 through a spring.
The inventors designed the above-described gas adding device 10, and the gas adding device 10 can improve safety during the gas filling process and reduce the probability of accidents due to high pressure. The gas adding device 10 comprises a gun body 11, an inlet valve core 12, an exhaust port inner sleeve 13 and a reversing slide sleeve 14. The inlet valve core 12 and the exhaust port inner sleeve 13 are both arranged in the sliding cavity of the gun body 11, the reversing slide sleeve 14 is slidably arranged in the sliding cavity and positioned between the inlet valve core 12 and the exhaust port inner sleeve 13, and the inner cavity of the reversing slide sleeve 14 is communicated with the inner cavities of the inlet valve core 12 and the exhaust port inner sleeve 13. The sliding of the reversing sliding sleeve 14 is used for respectively driving the inlet valve core 12 and the exhaust port inner sleeve 13 to slide in the sliding cavity, and the gun body 11 has the function of exhausting or discharging air pressure in the sliding cavity through different positions of the inlet valve core 12 or the exhaust port inner sleeve 13 in the sliding cavity. Specifically, when the reversing slide sleeve 14 slides in the preset direction, the inlet valve core 12 is driven to slide, so that the air inlet through hole 120 is communicated with the air inlet portion 90, thereby realizing that the air enters from the outside and finally is discharged from the air adding portion 92, and the air adding device 10 has the condition capable of performing the air adding process. In order to ensure safety, particularly, after the air is added, the vehicle needs to be separated from the gun seat, the high-pressure air in the gun body 11 needs to be discharged first, so that safety is ensured, and for this purpose, the reversing sliding sleeve 14 slides along the direction opposite to the preset direction to drive the inner sleeve 13 of the air outlet, so that the pressure release groove 130 is communicated with the pressure release gap, and the high-pressure air in the gun body 11 is discharged to the outside from the pressure release part 91.
It should be noted that the present embodiment also provides an air filling device, which includes an air filling gun head and the above-provided air filling device 10. Wherein the gas filling gun head is connected with the gas filling part 92. The air-filling gun head is used for being matched with a gun seat of the vehicle, when air needs to be filled, the air-filling gun head is matched with the gun seat, the reversing sliding sleeve 14 in the air-filling device 10 is controlled, and air-filling and pressure-releasing procedures are completed.
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 (10)
1. A gas adding device, comprising:
the gun body is provided with a sliding cavity inside, the sliding cavity extends along the length direction of the gun body, the gun body is provided with an air inlet part, a pressure relief part and an air filling part, the air inlet part, the pressure relief part and the air filling part are respectively communicated with the sliding cavity and the outside, and the pressure relief part is positioned between the air inlet part and the air filling part;
the inlet valve core is slidably arranged in the sliding cavity and is close to the air inlet part, and an air inlet through hole communicated with the inner cavity of the inlet valve core is formed in the peripheral wall of the inlet valve core;
the inner sleeve of the exhaust port is slidably arranged in the sliding cavity and is close to the air inlet part, the inner cavity of the inner sleeve of the exhaust port is communicated with the air inlet part, a pressure relief gap communicated with the pressure relief part is formed between the inner sleeve of the exhaust port and the inner wall of the gun body, and a pressure relief groove is formed in the peripheral wall of the inner sleeve of the exhaust port; and
the reversing sliding sleeve is slidably arranged in the sliding cavity and positioned between the inlet valve core and the inner sleeve of the exhaust port, and the inner cavity of the reversing sliding sleeve is communicated with the inner cavities of the inlet valve core and the inner sleeve of the exhaust port;
wherein the reversing sliding sleeve is configured to slide along a preset direction to drive the inlet valve core to slide, so that the air inlet through hole is communicated with the air inlet part;
the reversing slide sleeve is configured to slide in a direction opposite to the preset direction to drive the inner sleeve of the exhaust port, so that the pressure relief groove is communicated with the pressure relief gap.
2. The gas addition device according to claim 1, wherein:
the gun body is provided with an open end which is communicated with the sliding cavity;
the air inlet part comprises an air inlet connector, the air inlet connector extends along the length direction of the gun body and is provided with a connecting end and an air inlet which are opposite to each other, the connecting end is connected with the open end, and the air inlet is communicated with the sliding cavity.
3. The gas addition device according to claim 2, wherein:
an air inlet sealing seat is arranged in the gun body, and the outer wall of the air inlet sealing seat is respectively in sealing connection with the inner wall of the air inlet joint and the inner wall of the gun body;
the air inlet sealing seat is provided with a sliding channel which penetrates through the sliding cavity and the inner cavity of the air inlet joint;
the inlet valve core is slidably arranged in the sliding channel, and the reversing sliding sleeve is configured to slide along a preset direction so as to drive the inlet valve core to slide, so that the air inlet through hole is communicated with the inner cavity of the air inlet joint.
4. A gas addition device according to claim 3, wherein:
the air inlet connector is internally provided with an air inlet split-flow core, the air inlet split-flow core is provided with a first end and a second end which are opposite along the length direction of the gun body, the first end is connected with the end face of the air inlet sealing seat, the second end is in a taper angle shape and is close to the air inlet, a gap is reserved between the peripheral wall of the air inlet split-flow core and the inner wall of the air inlet connector, the air inlet split-flow core is communicated with the air inlet, the air inlet split-flow core is internally provided with a first cavity penetrating through the first end, and the peripheral wall of the air inlet split-flow core is provided with a split air inlet hole communicated with the split-flow channel and the first cavity;
the inlet valve core is slidably arranged in the sliding channel and the first cavity, and the end face of the inlet valve core, which is far away from the reversing sliding sleeve, is elastically connected with the bottom wall of the first cavity;
the reversing slide sleeve is configured to slide in a preset direction to drive the inlet valve core to slide, so that the air inlet through hole is communicated with the first cavity.
5. The gas addition device according to claim 1, wherein:
the reversing sliding sleeve is provided with a third end and a fourth end which are opposite along the length direction of the gun body;
the end face of the third end is provided with an embedded groove communicated with the internal cavity of the reversing sliding sleeve, the inner sleeve of the exhaust port is embedded in the embedded groove and is in sealing connection with the inner wall of the embedded groove, and the fourth end is close to the end face of the inlet valve core;
the reversing slide sleeve is configured to slide in a preset direction through the fourth end against the inlet valve spool to drive the inlet valve spool to slide, so that the air inlet through hole is communicated with the air inlet portion.
6. The gas adding device according to claim 5, wherein:
the side wall of the reversing sliding sleeve is provided with a fitting groove, and the fitting groove is slidably embedded with a rotating shaft bearing bush;
the rotating shaft bearing bush is rotatably provided with a handle.
7. The gas addition device according to claim 1, wherein:
the inner wall of the gun body is provided with a support ring, and the support ring is positioned between the pressure relief gap and the reversing sliding sleeve;
the inner ring of the supporting ring is propped against the outer wall of the inner sleeve of the exhaust port, and the inner diameter of the supporting ring is smaller than the inner diameter of the sliding cavity.
8. The gas addition device according to claim 1, wherein:
the pressure relief part comprises an exhaust connector, and the exhaust connector is positioned on the wall surface of the gun body;
one end of the exhaust joint is communicated with the pressure relief gap.
9. The gas addition device according to claim 1, wherein:
the air adding part extends from the peripheral wall of the gun body along the length direction perpendicular to the gun body;
the sliding cavity is provided with a plug, the peripheral wall of the plug is provided with an exhaust hole, and the exhaust hole is communicated with the air-entrapping part and the internal cavity of the plug;
one end of the inner sleeve of the exhaust port, which is far away from the reversing sliding sleeve, is slidably arranged in the inner cavity of the plug, and the inner sleeve of the exhaust port is elastically connected with the wall surface of the plug, which is far away from the reversing sliding sleeve.
10. An air entrainment device, characterized in that:
the gas filling device comprises a gas filling gun head and a gas filling device as claimed in any one of claims 1 to 9;
the air-filling gun head is connected with the air-filling part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347858.XA CN109099308B (en) | 2018-11-13 | 2018-11-13 | Gas adding device and gas filling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347858.XA CN109099308B (en) | 2018-11-13 | 2018-11-13 | Gas adding device and gas filling device |
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| CN109099308A CN109099308A (en) | 2018-12-28 |
| CN109099308B true CN109099308B (en) | 2024-03-15 |
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| CN107654840A (en) * | 2017-10-31 | 2018-02-02 | 成都华气厚普机电设备股份有限公司 | A kind of indexing hydrogen cell automobile is hydrogenated with rifle |
| CN209012774U (en) * | 2018-11-13 | 2019-06-21 | 成都安迪生测量有限公司 | A kind of gas adding apparatus and aerator |
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| JP2004019716A (en) * | 2002-06-13 | 2004-01-22 | Tatsuno Corp | Gas charging device |
| CN202708583U (en) * | 2012-08-02 | 2013-01-30 | 北京大道东方仪器有限公司 | Automotive compressed natural gas dispenser structure |
| CN104819376A (en) * | 2015-04-24 | 2015-08-05 | 北京安泰百克能源技术有限公司 | Injector |
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|---|---|
| CN109099308A (en) | 2018-12-28 |
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