CN211010240U - Miniature self-adaptive convenient filling connector - Google Patents
Miniature self-adaptive convenient filling connector Download PDFInfo
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- CN211010240U CN211010240U CN201921606967.9U CN201921606967U CN211010240U CN 211010240 U CN211010240 U CN 211010240U CN 201921606967 U CN201921606967 U CN 201921606967U CN 211010240 U CN211010240 U CN 211010240U
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Abstract
The utility model relates to a convenient filling of miniature self-adaptation connects, including a filling end connector, stop collar, steel ball, O type circle, check pin, conversion end connector. The utility model discloses can be used to all inner walls and be the pipeline or the valve of toper interface, also can be used to the satellite miniature row's valve test that adds, annotate the use, filling end connector one end design is ball head structure, and the interface that is the conical surface with the inner wall advances line sealing connection, and filling end connector carries out spacing connection through stop collar, steel ball with the conversion end connector to with the fixed stop collar of lock nail, use O type circle to carry out sealing connection between its two joints. The conversion end joint is convenient to be connected with various filling devices through the conversion of threads, can be in line sealing connection with interfaces with conical surfaces on various inner walls, and solves the problem that a filling pipeline cannot be deformed in the sealing process through the self-adaptive flexible deformation of the joint when the conversion end joint is matched with a filling and discharging valve for use.
Description
Technical Field
The utility model relates to a convenient filling of miniature self-adaptation connects belongs to machinery field frock auxiliary technical field.
Background
The length of the existing filling connector cannot be adjusted, a sealing ring in the connector cannot be replaced under the condition of aging or poor sealing, or cannot be repeatedly installed and used after replacement, the performance of the filling connector is reduced, so that filled liquid is directly leaked, and if the liquid is a flammable and explosive article, the filling process is more dangerous.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem do: the miniature self-adaptive convenient filling connector overcomes the defects in the prior art, can adjust the length, is convenient to replace a sealing ring in the connector under the condition of aging or untight sealing, can be installed again for repeated use after replacement, ensures that the sealing performance of the filling connector is kept very good, avoids the leakage of filled liquid, and cannot bring danger to the filling process if the liquid is a flammable and explosive product.
The utility model provides a technical scheme do: a miniature adaptive convenient fill joint, comprising: a filling end joint (1), a limiting sleeve (2), a steel ball (3), an O-shaped ring (4), a locking nail (5), a conversion end joint (6),
Liquid flow channels are arranged in the filling end joint (1) and the conversion end joint (6);
one end of the filling end joint (1) is inserted into one end of the conversion end joint (6), the other end of the filling end joint (1) is connected with the outside, and the other end of the conversion end joint (6) is provided with an external thread connected with the outside;
the outer side of one end of the conversion end connector (6) is sleeved with a limiting sleeve (2);
one end of the filling end joint (1) is provided with a plurality of annular sealing grooves, and O-shaped rings (4) with the same number as the annular sealing grooves are respectively arranged in the plurality of annular sealing grooves;
a plurality of through holes are axially formed in the side wall of one end of the conversion end joint (6); the steel ball (3) is arranged in the through hole, one end of the steel ball (3) is limited by the annular separating and blocking piece, and the other end of the steel ball is in contact with the inner wall of the limiting sleeve.
The limiting sleeve (2) is provided with a through hole for installing a locking nail (5).
Preferably, an O-shaped ring (4) is arranged in each annular sealing groove.
Preferably, the conversion end joint (6) is connected with corresponding internal thread interfaces on various filling equipment through external threads.
Preferably, the inner wall of the limiting sleeve is not contacted with the outer side of the conversion end connector (6), the inner wall of the limiting sleeve is only contacted with the steel ball (3), and one end of the limiting sleeve, which is opposite to the conversion end connector (6), rotates through the rotation of the steel ball.
Preferably, the limiting sleeve (2) is in a hollow cylindrical shape.
Preferably, the limiting sleeve (2) is provided with a through hole for installing a locking nail (5), and when the limiting sleeve (2) needs to be fixed, the locking nail (5) on the limiting sleeve (2) abuts against the outer wall of one end of the conversion end connector (6) to realize locking.
Preferably, a plurality of through holes with certain conicity are arranged on the inner wall of one end of the conversion end joint (6).
Preferably, the other end of the filling end connector (1) is provided with a ball head structure which is in sealing connection with the conical surface of the satellite filling and discharging valve.
Preferably, a plurality of through-holes that set up along the axial on the lateral wall of the one end of conversion end joint (6) are the taper hole, and big diametric plane is located the outer wall, and little diametric plane is located the inner wall.
Preferably, the other end of the filling end joint (1) is connected with a valve or a pipeline of a connector with a conical outer inner wall.
Compared with the prior art, the utility model the advantage lie in:
(1) the utility model provides a convenient filling of miniature self-adaptation connects. The filling connector has the advantages of simple structure, small size and convenience in operation.
(2) The utility model discloses simple structure, what this filling joint adopted is split type design, and the adaptation valve that this kind of design can be fine is connected between with equipment, and the sealed O type circle that uses between filling end joint and the conversion end joint, this kind of structural design is simple, effective, economic.
(3) The utility model discloses the size is small and exquisite. Although the filling connector adopts a split design, the overall size is small. The overall size is less than 52 mm.
(4) The utility model discloses the simple operation, it is effective, the filling end connector is preferred when this filling connects the use and is connected with the miniature row valve that adds in the star, the conversion end connector is direct with annotate, test equipment is connected, all adopt rigid connection in both places for the leakproofness of guaranteeing to connect, miniature row valve during operation is opened at every turn with, close all can drive the rotation that the filling end connector produced and certain axial direction's displacement, and the integral type is miniature to be opened at every turn with row valve, produced rotation and axial displacement can not exert an influence again to being connected of conversion end connector and equipment when closing. Therefore, the split connection design is adopted between the filling end connector and the conversion end connector, and the problem of conversion between rigid connection and flexible connection between the valve and equipment is solved.
(5) The utility model is simple in operation effectively, when the preferred is used for with the satellite miniature row's valve that adds is connected, can fully adapt to miniature row's valve that adds and open at every turn and close produced whole valve rotation and certain distance's displacement during the use, and the filling end connector can rotate together along with it when whole valve is rotatory, remove, and the filling equipment of being connected with it can keep relative motionless to better assurance the miniature row's valve that adds of integral type and the leakproofness when filling between the equipment at experiment, when filling.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the filling end joint of the present invention.
Fig. 3 is a schematic view of the control end connector of the present invention.
Fig. 4 is a schematic view of the filling end fitting (1) of the present invention.
Fig. 5 is a schematic view of the stop collar (2) of the present invention.
Fig. 6 is a schematic view of the switching terminal (6) of the present invention.
Fig. 7 is a schematic view of the preferred relationship between the filling joint and the micro filling and discharging valve and the pipeline on the star body.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a convenient filling of miniature self-adaptation connects, this filling connects and includes a filling end connector (1), stop collar (2), steel ball (3), O type circle (4), check pin (5), conversion end connector (6). In order to solve the leakproofness problem when being connected with the miniature row valve that adds on the star, guarantee in the use can fully adapt to miniature row valve at every turn open with close produced whole valve rotation and certain distance's displacement, the utility model discloses filling end connector (1) one end design is ball head structure, and the interface that is the conical surface with the inner wall carries out line sealing connection, and filling end connector (2) and conversion end connector (6) carry out spacing connection through stop collar (3), steel ball (4) to stop collar (3) are fixed in lock pin (5), use O type circle (4) to carry out sealing connection between its two joints. The conversion end joint (6) is convenient to be connected with various filling devices through conversion of threads. The utility model discloses can make when using whole valve rotatory filling end joint can rotate, remove along with it, and the filling equipment of being connected with it can keep relative motionless to better assurance the miniature leakproofness of adding between row valve and the filling equipment of integral type when experimental, filling. Simultaneously the utility model discloses can be used to all inner walls for pipeline or the valve of toper interface, also can be used to the satellite and miniature adding the row of valve experimental, the use of filling. The utility model discloses can carry out line sealing connection for the interface of conical surface with various inner walls, have general suitability, preferably with add when arranging the valve cooperation and using, solve the problem that sealed in-process adds the injection pipeline can not warp through the self-adaptation flexonics who connects.
As shown in fig. 1, the utility model discloses a convenient filling of miniature self-adaptation connects, include: liquid flow passages are arranged in the filling end connector (1), the limiting sleeve (2), the steel ball (3), the O-shaped ring (4), the locking nail (5), the conversion end connector (6), the filling end connector (1) and the conversion end connector (6);
as shown in fig. 4, one end of the filling end joint (1) is inserted into one end of the switching end joint (6), the other end of the filling end joint (1) is connected with the outside, and the other end of the switching end joint (6) is provided with an external thread to be connected with the outside (after liquid in an external pipeline is in threaded connection with the other end of the switching end joint (6), the liquid flows in from the inside of the other end of the switching end joint (6);
the outer side of one end of the conversion end connector (6) is sleeved with a limiting sleeve (2);
one end of the filling end joint (1) is provided with a plurality of annular sealing grooves, and O-shaped rings (4) with the same number as the annular sealing grooves are respectively arranged in the plurality of annular sealing grooves;
a plurality of through holes are axially formed in the side wall of one end of the conversion end joint (6); the steel ball (3) is arranged in the through hole, one end of the steel ball (3) is limited by the annular separating and blocking piece, and the other end of the steel ball is in contact with the inner wall of the limiting sleeve.
The limiting sleeve (2) is provided with a through hole for installing a locking nail (5).
Preferably, an O-shaped ring (4) is arranged in each annular sealing groove.
Preferably, the conversion end joint (6) is connected with corresponding internal thread interfaces on various filling equipment through external threads.
Preferably, the inner wall of the limiting sleeve is not contacted with the outer side of the conversion end connector (6), the inner wall of the limiting sleeve is only contacted with the steel ball (3), and one end of the limiting sleeve, which is opposite to the conversion end connector (6), rotates through the rotation of the steel ball.
Preferably, the limiting sleeve (2) is in a hollow cylindrical shape.
As shown in fig. 5, preferably, the limiting sleeve (2) is provided with a through hole for installing a locking pin (5), and when the limiting sleeve (2) needs to be fixed, the locking pin (5) on the limiting sleeve (2) abuts against the outer wall of one end of the conversion end joint (6) to realize locking.
Preferably, a plurality of through holes with certain conicity are arranged on the inner wall of one end of the conversion end joint (6).
Preferably, the other end of the filling end connector (1) is provided with a ball head structure which is in sealing connection with the conical surface of the satellite filling and discharging valve.
Preferably, the liquid flow passages arranged in the filling end joint (1) and the conversion end joint (6) are hollow tubular.
Preferably, one end of a pipeline connected with the exhaust valve on the star body is provided with a first mounting hole a, and the bottom of the first mounting hole is provided with a second mounting hole b; the first mounting hole a is communicated with the second mounting hole b; the hole bottom of the second mounting hole b is provided with a liquid input port c communicated with the pipeline on the star body, and the hole opening of the second mounting hole b is that the hole bottom of the first mounting hole a is positioned on the same plane; the opening of the first mounting hole a is opened to the outside of a pipeline connected with the charging and discharging valve on the star body.
As shown in fig. 7, preferably, the micro charging and discharging valve capable of being connected with the charging connector of the present invention, preferably, the following scheme is adopted: this miniature adding row valve includes: the inner wall is a conical joint (7-1), a first connecting section (7-2), a second connecting section (7-3) and a hemispherical end (7-4);
a connector (7-1) with a conical inner wall is used as an inlet of the micro charging and discharging valve to flow in liquid, and a liquid discharge hole (7-5) arranged along the circumferential direction on the second connecting section (7-3) is used as an outlet of the micro charging and discharging valve to flow out liquid.
The joint (7-1) with the conical inner wall, the first connecting section (7-2), the second connecting section (7-3) and the hemispherical end (7-4) are sequentially connected to form a charging and discharging valve; and the second connecting section (7-3) is circumferentially provided with a liquid discharge hole (7-5) which is communicated with the internal pipeline of the second connecting section (7-3) and the pipeline on the star body (namely the pipeline connected with the additional discharge valve on the star body). The outer diameter of the second connecting section (7-3) is smaller than the inner diameter of the second mounting hole b, so that a liquid communication channel is formed between the outer diameter of the connecting section (7-3) and the inner diameter of the second mounting hole b.
A sealing ring is arranged on the second connecting section (7-3) close to the liquid discharge hole (7-5), a gap is formed between the outer diameter of the connecting section (7-3) and the inner diameter of the second mounting hole b, liquid is prevented from flowing out of the liquid discharge hole (7-5) and then flowing back to the outside of a pipeline on the star body, the outer diameter of the first connecting section (7-2) is the same as the diameter of the hemispherical end head (7-4), when the hemispherical end head (7-4) is propped against a liquid inlet c of the pipeline on the star body, the liquid cannot flow through a liquid circulation channel formed between the outer diameter of the second connecting section (7-3) and the inner diameter of the second mounting hole b after the inner pipelines of the first connecting section (7-2) and the second connecting section (7-3) pass through the liquid discharge hole (7-5), inputting the liquid from the liquid input port c of the satellite pipeline to the satellite pipeline, and stopping filling the liquid from the liquid input port c of the satellite pipeline;
the first connecting section (7-2) is rotated, the first connecting section (7-2) is matched with the thread of the first mounting hole a, the second connecting section (7-3) and the hemispherical end head (7-4) are driven by the first connecting section (7-2) to move away from the satellite pipeline, the hemispherical end head (7-4) does not prop against a liquid inlet c of the satellite pipeline any more, liquid passes through a liquid discharge hole (7-5) from the inner pipeline of the connector (7-1) with the conical inner wall, the first connecting section (7-2) and the second connecting section (7-3), along a liquid circulation channel formed between the outer diameter of the connecting section (7-3) and the inner diameter of the second mounting hole b, the liquid is input into the star upper pipeline from a liquid input port c of the star upper pipeline, and liquid filling of the star upper pipeline is achieved.
The joint (7-1) with the conical inner wall, the first connecting section (7-2) and the second connecting section (7-3) are hollow cylinders, and the hollow part inside is used as an internal pipeline and a flow channel of liquid;
the inner diameters of the joint (7-1), the first connecting section (7-2) and the second connecting section (7-3) with the conical inner walls are the same, the outer diameter of the joint (7-1) with the conical inner walls is larger than that of the first connecting section (7-2), and the outer diameter of the first connecting section (7-2) is larger than that of the second connecting section (7-3);
the outer wall of the first connecting section (7-2) is provided with external threads, and the inner wall of a first mounting hole a of a pipeline connected with the additional and discharge valve on the star body is provided with internal threads; the outer wall of the first connecting section (7-2) is provided with external threads which are matched with internal threads arranged on the inner wall of a first mounting hole a of a pipeline connected with the additional and exhaust valve on the star body;
one end of a hollow cylinder of the joint (7-1) with the conical inner wall is provided with a conical opening which is matched with the ball head structure (1-2) to realize line sealing;
the inner pipeline of the joint (7-1) with the conical inner wall is provided with internal threads which can be in threaded fit with the threaded connector (1-1);
the valve body has an inlet and an outlet; the inlet is provided with a conical joint, and the outlet is connected with an external pipeline; an internal thread cavity is arranged in the conical joint and can be matched with the other end of the filling end joint (1);
preferably, a plurality of through-holes that set up along the axial on the lateral wall of the one end of conversion end joint (6) are the taper hole, and big diametric plane is located the outer wall, and little diametric plane is located the inner wall.
Preferably, the other end of the filling end joint (1) is connected with a valve or a pipeline with an external conical interface.
As shown in fig. 4, preferably, the filling end fitting (1) comprises: the device comprises a threaded connector (1-1), a ball head structure (1-2), a filling end clamping part (1-3) and a piston rod (1-4); one end of the filling end clamping part (1-3) is provided with a ball head structure (1-2), and a threaded connector is arranged on the ball head structure (1-2); the other end of the filling end clamping part (1-3) is connected with one end of a piston rod (1-4), the other end of the piston rod (1-4) is a free end,
a plurality of annular bulges which are diverged along the radial direction are arranged on the outer wall of the other end of the piston rod (1-4); an annular sealing groove is formed between every two adjacent annular bulges.
Among the plurality of annular bulges, one end close to the piston rod (1-4) is a first annular bulge, the other end close to the piston rod (1-4), namely the free end, is a last annular bulge, and the annular bulges from the first annular bulge to the last annular bulge are numbered from small to large in sequence.
The annular end face of one end, close to the piston rod (1-4), of the first annular bulge is provided with a slope, and a ridge with the slope is formed.
The threaded connector (1-1), the ball head structure (1-2), the filling end clamping part (1-3) and the piston rod (1-4) are provided with flow channels;
one end of a flow channel inside the threaded connector (1-1) is connected with one end of a flow channel inside the ball head structure (1-2), the other end of the flow channel inside the threaded connector (1-1) is used as a liquid inflow port of the whole micro self-adaptive convenient filling connector, the other end of the flow channel inside the ball head structure (1-2) is connected with one end of the flow channel inside the filling end clamping part (1-3), the other end of the flow channel inside the filling end clamping part (1-3) is connected with one end of the flow channel inside the piston rod (1-4), and the other end of the flow channel inside the piston rod (1-4) is communicated with the piston cavity (6-3);
preferably, the ball head structure (1-2) is hemispherical, the top of the hemispherical spherical surface is connected with one end of the threaded connection port (1-1), the other end of the threaded connection port (1-1) is connected with an external valve, and the plane of the hemispherical ball head structure (1-2) is connected with one end of the filling end clamping part (1-3).
Preferably, the filling end clamping part (1-3) is in a hexagonal nut shape and is used as a clamping part of a tool, and the filling end joint (1) is rotated under the action of external force of the tool;
as shown in fig. 6, the preferred scheme of the end-to-end conversion connector (6) is as follows: the transition end fitting (6) comprises: a connecting rod (6-1), a piston cavity (6-3), a conversion end clamping part (6-4) and a threaded connector (6-5);
one end of the connecting rod (6-1) is connected with one end of the conversion end clamping part (6-4), and the other end of the connecting rod (6-1) is a free end; the other end of the conversion end clamping part (6-4) is connected with a threaded connector (6-5);
flow passages are arranged inside the conversion end clamping part (6-4) and the threaded connector (6-5);
the connecting rod (6-1) is a hollow cylinder, a piston cavity (6-3) is formed inside the connecting rod (6-1), one end, close to the switching end clamping part (6-4), of the piston cavity (6-3) is connected with one end of a flow channel inside the switching end clamping part (6-4), the other end of the flow channel inside the switching end clamping part (6-4) is connected with one end of the flow channel inside the threaded connector (6-5), and the other end of the flow channel inside the threaded connector (6-5) serves as a liquid inflow port of the whole miniature self-adaptive convenient filling connector.
The other end of the piston cavity (6-3) is opened and is used for inserting a piston rod (1-4); the piston rod (1-4) can perform piston motion in the piston cavity (6-3); a plurality of O-shaped rings (4) on the piston rod (1-4) realize the sealing of the piston cavity (6-3) and the piston rod (1-4);
the side wall of the connecting rod (6-1) is provided with a through hole; the through hole is a conical hole, and the large-diameter end of the conical hole is close to the outer wall of the connecting rod (6-1); one end with small diameter of the conical hole is close to the inner wall of the connecting rod (6-1); the steel ball (3) is arranged in the through hole; the diameter of the steel ball (3) is larger than the thickness of the side wall of the connecting rod (6-1); the steel ball (3) extends out of the conical hole and is matched with a slope ridge arranged on a first annular bulge of the piston rod (1-4) to limit the maximum position of the piston rod (1-4) in a pulling manner, so that the piston rod (1-4) cannot be pulled out of the piston cavity (6-3);
when the filling end connector (1) is required to be completely pulled out of the conversion end connector (6) (a sealing ring is replaced), or the filling end connector (1) is installed in the conversion end connector (6), the locking nail (5) on the limiting sleeve (2) is loosened, namely the locking nail (5) is not contacted with the outer wall of the connecting rod (6-1), the limiting sleeve (2) can coaxially slide relative to the connecting rod (6-1), when a notch, namely an annular groove, on the inner wall of the limiting sleeve (2) is aligned with the steel ball (3), the piston rod (1-4) moves in the direction away from the bottom of the piston cavity (6-3), the steel ball (3) is radially and outwards extruded by a slope ridge arranged on a first annular bulge of the piston rod (1-4), the steel ball (3) is retreated outside the piston cavity (6-3) to the annular groove of the limiting sleeve (2), and a part of the steel ball (3) slides into the annular groove of the limiting sleeve (2), the other part is kept in the air of the connecting rod (6-1), but the steel ball (3) does not exceed the inner wall of the connecting rod (6-1), and the stop collar (2) is reset finally after the filling end joint (1) is completely pulled out of the conversion end joint (6) or after the filling end joint (1) is installed in the conversion end joint (6). One end of the limiting sleeve (2) is tightly attached to the clamping part (6-4) of the conversion end.
The utility model discloses a filling joint is preferred to be connected with miniature adding the blow-off valve, but not limited to can only be connected with miniature adding the blow-off valve, as long as the inner wall is the interface of conical surface or the valve or the pipeline of interface all can with the utility model discloses a filling joint is connected.
The micro charging and discharging valve is mainly used for charging fuel into a propulsion system, generally, the micro charging and discharging structure is extremely simple, an integrated design is adopted, and the sealing performance in the charging process is ensured only by using a hard sealing mode on a conical surface at the charging position. The miniature charging and discharging valve can be operated only by rotating the valve per se when the miniature charging and discharging valve is opened and closed every time during experiment and filling, and hard-sealing rigid connection is usually adopted for ensuring the sealing property of the connection between the valve and equipment during the experiment and filling. However, the rigid connection between the two directly results in the abnormal opening and closing of the valve.
The existing method is to add a switching hand valve between a valve and equipment, and to close the hand valve first when the micro exhaust valve is opened or closed, then to disconnect the micro exhaust valve from the equipment, and finally to open or close the micro exhaust valve. Such a method not only adds a hand valve to the valve and the device, but also performs repeated operations of connection and disconnection for many times. The existing joint has the defects that flexible connection cannot be realized, and self-adaption cannot be realized; is not suitable for occasions with certain flexible deformation.
Preferably, the filling end joint 1, the limiting sleeve 2, the steel ball 3, the locking nail 5 and the conversion end joint 6 are made of metal; the O-shaped ring 4 is made of nonmetal.
The utility model discloses a filling joint is preferred to be applicable to the miniature row valve that adds of integral type experimental, the use of filling, and the design of 1 one end of filling end joint is ball head structure and the miniature conical surface that adds the row valve of integral type carries out sealing connection, and filling end joint 1 carries out spacing connection and fixes stop collar 3 with lock pin 5 through stop collar 3, steel ball 3 with conversion end joint 6, uses O type circle 4 to carry out sealing connection between its two joints. The conversion end joint is convenient to be connected with various filling devices through conversion of threads.
As shown in fig. 2 and fig. 3, the structure of the filling end joint 1 and the structure of the conversion end joint 6 are respectively illustrated. The filling end joint and the conversion end joint adopt a split design, and the design can be well suitable for connection between a valve and equipment. When different valves are connected with equipment, only the corresponding end needs to be replaced and then the valves are recombined to realize the corresponding connection between the valves and the equipment.
As shown in fig. 2, a schematic structural diagram of the filling joint is shown, and the preferred scheme is as follows: the filling end joint 1 is also subjected to surface hardening treatment after being processed. The purpose of the case hardening treatment is to enhance the wear resistance and fatigue resistance of the filling-end joint 1, increase the number of uses of the joint in use, and improve the service life. The economical efficiency of the filling joint 1 in use can be better embodied by the method of surface hardening treatment of the joint.
For the preferred connection object, i.e. the miniature filler valve, the filler end fitting 1 and the changeover end fitting 6 enable the connection between the miniature filler valve and the filling device to be changed from rigid to flexible. When the device is used, the filling end joint 1 is connected with the integrated miniature adding and discharging valve, and the conversion end joint 6 is directly connected with filling and testing equipment. In order to ensure the sealing performance of the connection, rigid connection is adopted at two positions. When the integrated miniature charging and discharging valve works, the charging end connector can be driven to rotate and displace in a certain axial direction by opening and closing at each time, and the conversion end connector 6 cannot be influenced by the rotation and the axial displacement generated when the integrated miniature charging and discharging valve is opened and closed at each time. Therefore, the split connection design is adopted between the filling end joint 1 and the conversion end joint 6, and the problem of conversion between rigid connection and flexible connection between a valve and equipment is solved.
The utility model provides a convenient filling of miniature self-adaptation connects. The filling joint has the advantages of simple structure, small size and convenient operation; just the utility model discloses simple structure, what this filling joint adopted is split type design, and the adaptation valve that this kind of design can be fine is connected between with equipment, and the sealed O type circle that uses between filling end joint and the conversion end joint, this kind of structural design is simple, effective, economic.
Claims (10)
1. The utility model provides a convenient filling of miniature self-adaptation connects which characterized in that includes: a filling end joint (1), a limiting sleeve (2), a steel ball (3), an O-shaped ring (4), a locking nail (5), a conversion end joint (6),
Liquid flow channels are arranged in the filling end joint (1) and the conversion end joint (6);
one end of the filling end joint (1) is inserted into one end of the conversion end joint (6), the other end of the filling end joint (1) is connected with the outside, and the other end of the conversion end joint (6) is provided with an external thread connected with the outside;
the outer side of one end of the conversion end connector (6) is sleeved with a limiting sleeve (2);
one end of the filling end joint (1) is provided with a plurality of annular sealing grooves, and O-shaped rings (4) with the same number as the annular sealing grooves are respectively arranged in the plurality of annular sealing grooves;
a plurality of through holes are axially formed in the side wall of one end of the conversion end joint (6); the steel ball (3) is arranged in the through hole, one end of the steel ball (3) is limited by the annular baffle piece, and the other end of the steel ball is in contact with the inner wall of the limiting sleeve; the limiting sleeve (2) is provided with a through hole for installing a locking nail (5).
2. The miniature adaptive convenient filling joint according to claim 1, wherein: an O-shaped ring (4) is arranged in each annular sealing groove.
3. The miniature adaptive convenient filling joint according to claim 1, wherein: the conversion end joint (6) is connected with corresponding internal thread interfaces on various filling devices through external threads.
4. The miniature adaptive convenient filling joint according to claim 1, wherein: the inner wall of the limiting sleeve is not contacted with the outer side of the conversion end connector (6), the inner wall of the limiting sleeve is only contacted with the steel ball (3), and the limiting sleeve rotates relative to one end of the conversion end connector (6) through the rotation of the steel ball.
5. The miniature adaptive convenient filling joint according to claim 1, wherein: the limiting sleeve (2) is in a hollow cylindrical shape.
6. The miniature adaptive convenient filling joint according to claim 1, wherein: be equipped with through-hole installation check pin (5) on stop collar (2), when needs fixed stop collar (2), check pin (5) on stop collar (2) withstands the one end outer wall that conversion end connects (6), realize locking.
7. The miniature adaptive convenient filling joint according to claim 1, wherein: the inner wall of one end of the conversion end joint (6) is provided with a plurality of tapered through holes.
8. The miniature adaptive convenient filling joint according to claim 1, wherein: the other end of the filling end joint (1) is provided with a ball head structure which is in sealing connection with the conical surface of the satellite charging and discharging valve.
9. The miniature adaptive convenient filling joint according to claim 1, wherein: a plurality of through-holes that set up along the axial on the lateral wall of the one end of conversion end joint (6) are the taper hole, and big diameter face is located the outer wall, and little diameter face is located the inner wall.
10. The miniature adaptive convenient filling joint according to claim 1, wherein: the other end of the filling end joint (1) is connected with a valve or a pipeline of a connector with a conical outer inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606967.9U CN211010240U (en) | 2019-09-25 | 2019-09-25 | Miniature self-adaptive convenient filling connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606967.9U CN211010240U (en) | 2019-09-25 | 2019-09-25 | Miniature self-adaptive convenient filling connector |
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| CN211010240U true CN211010240U (en) | 2020-07-14 |
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| CN201921606967.9U Active CN211010240U (en) | 2019-09-25 | 2019-09-25 | Miniature self-adaptive convenient filling connector |
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