CN219102314U - Locking device for self-sealing joint and self-sealing joint - Google Patents
Locking device for self-sealing joint and self-sealing joint Download PDFInfo
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- CN219102314U CN219102314U CN202223304917.XU CN202223304917U CN219102314U CN 219102314 U CN219102314 U CN 219102314U CN 202223304917 U CN202223304917 U CN 202223304917U CN 219102314 U CN219102314 U CN 219102314U
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Abstract
The utility model provides a locking device for a self-sealing joint and the self-sealing joint, which belong to the technical field of the self-sealing joint, and comprise a locking ring which is arranged outside a sleeve of a male joint or a female joint of the self-sealing joint, wherein a handle is hinged on the locking ring, a buckle is connected on the handle, the buckle comprises a clamping ring which is clamped on a boss of a corresponding female joint or the male joint, the buckle clamped on the boss is tensioned in the forward rotation process of the handle, and then the locking station for butt-locking the male joint and the female joint is driven by the locking ring, and the unlocking station for releasing the buckle in the reverse rotation process, so that the clamping ring is separated from the boss, thereby solving the technical problems of equipment failure, labor-consuming threaded connection operation and low connection efficiency caused by metal foreign matters easily generated in the threaded butt joint mode of the male joint and the female joint in the prior art.
Description
Technical Field
The utility model belongs to the technical field of self-sealing connectors, and particularly relates to a locking device for a self-sealing connector and the self-sealing connector.
Background
The self-sealing joint comprises two joints which can be in butt joint, the two joints are respectively connected on different pipelines, the two pipelines are communicated through the butt joint of the two joints, and each joint can be automatically sealed after the connection is disconnected. Chinese utility model special for example with authorized bulletin number CN107152575BThe coaxial self-sealing joint is mainly applied to the field of inflation, in particular SF 6 The field of gas sealing. The self-sealing joint comprises a male joint and a female joint, wherein the female joint is provided with a sleeve, the right end of the sleeve is provided with a locking nut for being in butt joint locking with the male joint, and the left end of the male joint is in threaded connection with the locking nut to realize locking with the female joint. In addition, the attached drawings of the specification also disclose that a boss (both the attached drawings of the specification and the figure 2 can be seen) is arranged at the right end of the outer side wall of the male connector, and a stop step for stopping the lock nut is arranged at the right end of the sleeve.
In the prior art, the self-sealing joint is applied to SF 6 In the field of gas-insulated metal-enclosed switchgear, a male connector is connected to an SF 6 The gas chamber of the gas-insulated metal-enclosed switchgear is provided with a female connector which is connected with the inflation equipment and is butted with the male connector through a locking nut to SF 6 The gas chamber of the gas-insulated metal-enclosed switchgear is inflated.
In the inflation mode, as the male connector and the female connector are connected through threads, the following defects exist in the use process:
1)SF 6 the gas-insulated metal-enclosed switchgear is particularly sensitive to foreign substances, particularly metallic foreign substances, and metal powder can be generated in the process of dismounting the gas-insulated metal-enclosed switchgear by threaded connection, and the generated powder enters the high-voltage electrical equipment to cause equipment faults easily.
2)SF 6 The gas chamber of the gas-insulated metal-enclosed switchgear requires phase-separation monitoring, the gas chamber is more, one gas chamber is generally vacuumized, inflated and recovered for about 10 times before leaving the factory, the existing threaded connection can only be operated manually, the time and the labor are wasted, and the connection efficiency is low.
Disclosure of Invention
The utility model aims to provide a locking device for a self-sealing joint, which solves the technical problems that in the prior art, a male joint and a female joint are in threaded butt joint, metal foreign matters are easy to generate, equipment faults are caused, threaded connection operation is laborious, and connection efficiency is low; the utility model also provides a self-sealing joint to solve the problems.
In order to achieve the above purpose, the locking device for the self-sealing joint in the utility model adopts the following technical scheme:
the utility model provides a self-sealing connects and uses locking device, including being used for setting up the outside locking ring of sleeve pipe at the male joint or the female joint of self-sealing joint, articulated on the locking ring have the handle, be connected with the buckle on the handle, the buckle is including being used for the snap ring of card on the boss of corresponding female joint or male joint, the buckle of tensioning card on the boss when having forward rotation in the rotation stroke of handle is then through locking ring drive male, female joint butt joint locking's locking station, release the buckle so that the unblock station that makes snap ring and boss break away from when still having reverse rotation.
The beneficial effects of the technical scheme are that: the utility model has opened the locking device for a self-sealing joint, through setting up the locking ring outside the thimble of the male joint or female joint of the self-sealing joint, the locking ring is hinged with the hand grip, connect with the buckle on the hand grip, the buckle includes the snap ring used for blocking on boss of the corresponding female joint or male joint, in order to lock the female joint and male joint butt joint, can hang the snap ring on boss of the male joint or female joint, in addition, have the buckle that tightens and blocks on boss and then drives the locking station of the butt joint locking of male joint, female joint through the locking ring in the rotational stroke of the hand grip, also have the unlocking station that loosens the buckle in order to make the snap ring separate from boss in the contrary rotation; therefore, when the handle is in a locking station, the buckle is tensioned by using the handle, so that the buckle is in a locking state, the male connector and the female connector are tightly pressed and butt-locked, and when the connection of the male connector and the female connector is required to be disassembled, the handle is rotated to an unlocking station.
Through this kind of connected mode, female joint and public joint do not need through threaded connection any more to solved threaded connection and produced metal powder in the dismouting process, produced powder gets into the technical problem that very easily causes equipment trouble in the high-voltage electrical equipment, simultaneously, this kind of connected mode only need through hanging the buckle to the assigned position, through rotating the handle at locking station and unblock station, just can realize locking or dismantle the connection of public joint and female joint, compare threaded connection, male joint and female joint's dismouting is more convenient, and has improved connecting efficiency.
As a further optimized technical scheme, the handle comprises two handle bars which are arranged in parallel at intervals and a connecting rod connected to one end of the two handle bars, and the other ends of the two handle bars are hinged with the locking ring.
The beneficial effects of the technical scheme are that: the handle has simple structure and is convenient to process and manufacture.
As a further optimized technical scheme, a connecting shaft is connected between the two handle bars, and the buckle further comprises a bar body connected with the clamping ring, wherein the bar body is connected with the connecting shaft.
The beneficial effects of the technical scheme are that: the mode of connecting the buckle through the connecting shaft is simple in structure, convenient to process and manufacture and beneficial to control of processing cost.
As a further optimized technical scheme, the rod body is provided with external threads, the connecting shaft is provided with threaded holes, and the rod body is connected with the connecting shaft in a matched manner through the external threads and the threaded holes.
The beneficial effects of the technical scheme are that: through being provided with the external screw thread on the body of rod, be provided with the screw hole on the connecting axle, the body of rod passes through external screw thread and screw hole cooperation with the connecting axle and is connected, and the distance between snap ring and the connecting axle can be adjusted to the threaded connection mode of buckle and connecting axle, and then adjusts the degree of compressing tightly of female joint to the male joint, and leads to the buckle to produce when not hard up make male joint and female joint compressive force not enough with being connected of connecting axle after long-term use, convenient in time adjusts, and then the adjustment in debugging and the use during easy to assemble.
As a further optimized solution, the connecting shaft is hinged to the two handle bars.
The beneficial effects of the technical scheme are that: the structure is simple, the buckle is buckled on the boss through rotating along with the connecting shaft in the process of rotating the handle, and the buckle is taken down from the boss through rotating the connecting shaft when the handle is detached, so that the operation is convenient.
As a further optimized technical scheme, the connecting rod and the two handle bars are externally provided with sheaths.
The beneficial effects of the technical scheme are that: the abrasion of the handle is avoided, and meanwhile, the sheath is arranged, so that the handle has an anti-skid function, and the convenience of operation is improved.
As a further optimized technical scheme, the end part of the handle rod, which is close to the connecting rod, is provided with a bending section which extends to one side far away from the locking ring when the handle is in the locking station.
The beneficial effects of the technical scheme are that: this kind of setting compares not setting up the section of bending, and two handles are not whole tight self-sealing joint of pasting after locking, but leave the space between handle and self-sealing joint, conveniently open the handle, dismantle the operation, simultaneously through setting up the section of bending, can also make the handle tip dodge the structure on the self-sealing joint when the handle is in locking station.
As a further optimized technical scheme, the clamping ring comprises a straight rod section for contacting with the boss.
The beneficial effects of the technical scheme are that: the buckle directly compresses tightly the boss when the snap ring chucking boss, through setting up straight-bar section to increase the area of contact of snap ring and boss, reinforcing connection's stability.
As a further optimized technical scheme, the locking ring comprises two outer side faces which are symmetrical and parallel to the center of the locking ring, the two outer side faces are respectively hinged with the handles, and each handle is connected with the buckle.
The beneficial effects of the technical scheme are that: the handle is convenient to install on the locking ring, and the two side faces are arranged, so that the locking ring is balanced in stress, so that the force is applied to the female connector in a balanced manner when the female connector is connected to the male connector in a butt joint mode, the male connector is pressed tightly in a balanced manner by the female connector, and the phenomenon that the male connector and the female connector are not stably connected due to uneven stress of the female connector is avoided, so that air leakage occurs at the butt joint position of the male connector and the female connector under the impact of air flow.
The self-sealing joint adopts the following technical scheme:
the utility model provides a self-sealing joint, includes male joint and female joint, is provided with locking device on male joint or the female joint, locking device is for self-sealing joint, and locking device is used to self-sealing joint is including being used for setting up the outside locking ring of the sleeve pipe of male joint or female joint of self-sealing joint, articulates on the locking ring has the handle, is connected with the buckle on the handle, and the buckle is including being used for the card to the snap ring on the boss of corresponding female joint or male joint, and the buckle of taut card on the boss is then driven the locking station of male, female joint butt joint locking through the locking ring when having forward rotation in the rotation stroke of handle still has the unlocking station that loosens the buckle so that snap ring and boss break away from when reverse rotation.
The beneficial effects of the technical scheme are that: the locking ring is arranged outside the sleeve of the male connector or the female connector of the self-sealing connector, the handle is hinged with the locking ring, the handle is connected with the buckle, the buckle comprises a clamping ring which is used for being clamped on a boss of the corresponding female connector or the male connector, so that when the female connector and the male connector are in butt joint locking, the clamping ring on the clamping ring can be hung on the boss of the male connector or the female connector, in addition, the locking station which is used for tightening the buckle clamped on the boss when the handle rotates forwards and driving the male connector and the female connector to be in butt joint locking through the locking ring is arranged in the rotating stroke of the handle, and the unlocking station which is used for loosening the buckle when the clamping ring rotates reversely and separating the clamping ring from the boss is also arranged; therefore, when the handle is in a locking station, the buckle is tensioned by using the handle, so that the buckle is in a locking state, the male connector and the female connector are tightly pressed and butt-locked, and when the connection of the male connector and the female connector is required to be disassembled, the handle is rotated to an unlocking station.
Through this kind of connected mode, female joint and public joint do not need through threaded connection any more to solved threaded connection and produced metal powder in the dismouting process, produced powder gets into the technical problem that very easily causes equipment trouble in the high-voltage electrical equipment, simultaneously, this kind of connected mode only need through hanging the buckle to the assigned position, through rotating the handle at locking station and unblock station, just can realize locking or dismantle the connection of public joint and female joint, compare threaded connection, male joint and female joint's dismouting is more convenient, and has improved connecting efficiency.
As a further optimized technical scheme, the handle comprises two handle bars which are arranged in parallel at intervals and a connecting rod connected to one end of the two handle bars, and the other ends of the two handle bars are hinged with the locking ring.
The beneficial effects of the technical scheme are that: the handle has simple structure and is convenient to process and manufacture.
As a further optimized technical scheme, a connecting shaft is connected between the two handle bars, and the buckle further comprises a bar body connected with the clamping ring, wherein the bar body is connected with the connecting shaft.
The beneficial effects of the technical scheme are that: the mode of connecting the buckle through the connecting shaft is simple in structure, convenient to process and manufacture and beneficial to control of processing cost.
As a further optimized technical scheme, the rod body is provided with external threads, the connecting shaft is provided with threaded holes, and the rod body is connected with the connecting shaft in a matched manner through the external threads and the threaded holes.
The beneficial effects of the technical scheme are that: through being provided with the external screw thread on the body of rod, be provided with the screw hole on the connecting axle, the body of rod passes through external screw thread and screw hole cooperation with the connecting axle and is connected, and the distance between snap ring and the connecting axle can be adjusted to the threaded connection mode of buckle and connecting axle, and then adjusts the degree of compressing tightly of female joint to the male joint, and leads to the buckle to produce when not hard up make male joint and female joint compressive force not enough with being connected of connecting axle after long-term use, convenient in time adjusts, and then the adjustment in debugging and the use during easy to assemble.
As a further optimized solution, the connecting shaft is hinged to the two handle bars.
The beneficial effects of the technical scheme are that: the structure is simple, the buckle is buckled on the boss through rotating along with the connecting shaft in the process of rotating the handle, and the buckle is taken down from the boss through rotating the connecting shaft when the handle is detached, so that the operation is convenient.
As a further optimized technical scheme, the connecting rod and the two handle bars are externally provided with sheaths.
The beneficial effects of the technical scheme are that: the abrasion of the handle is avoided, and meanwhile, the sheath is arranged, so that the handle has an anti-skid function, and the convenience of operation is improved.
As a further optimized technical scheme, the end part of the handle rod, which is close to the connecting rod, is provided with a bending section which extends to one side far away from the locking ring when the handle is in the locking station.
The beneficial effects of the technical scheme are that: this kind of setting compares not setting up the section of bending, and two handles are not whole tight self-sealing joint of pasting after locking, but leave the space between handle and self-sealing joint, conveniently open the handle, dismantle the operation, simultaneously through setting up the section of bending, can also make the handle tip dodge the structure on the self-sealing joint when the handle is in locking station.
As a further optimized technical scheme, the clamping ring comprises a straight rod section for contacting with the boss.
The beneficial effects of the technical scheme are that: the buckle directly compresses tightly the boss when the snap ring chucking boss, through setting up straight-bar section to increase the area of contact of snap ring and boss, reinforcing connection's stability.
As a further optimized technical scheme, the locking ring comprises two outer side faces which are symmetrical and parallel to the center of the locking ring, the two outer side faces are respectively hinged with the handles, and each handle is connected with the buckle.
The beneficial effects of the technical scheme are that: the handle is convenient to install on the locking ring, and the two side faces are arranged, so that the locking ring is balanced in stress, so that the force is applied to the female connector in a balanced manner when the female connector is connected to the male connector in a butt joint mode, the male connector is pressed tightly in a balanced manner by the female connector, and the phenomenon that the male connector and the female connector are not stably connected due to uneven stress of the female connector is avoided, so that air leakage occurs at the butt joint position of the male connector and the female connector under the impact of air flow.
Drawings
FIG. 1 is a schematic front view of a locking device of embodiment 1 of the self-sealing joint of the present utility model;
fig. 2 is a schematic top view of the locking device of embodiment 1 of the self-sealing joint of the present utility model.
In the figure: 1. a female joint; 2. a locking ring; 21. an outer side surface; 3. a handle; 31. a bending section; 32. a handle bar; 33. a connecting rod; 4. a buckle; 41. a clasp; 411. a straight rod section; 42. a rod body; 5. a connecting shaft; 6. a fixing plate; 61 ear plates.
Detailed Description
According to the self-sealing joint, the fixing ring is arranged on the female joint, the tensioning piece and the locking handle are arranged on the fixing ring, the tensioning piece is hung on the male joint, and the tensioning state of the tensioning piece is fixed through the locking handle, so that the female joint is in butt joint with the male joint.
The features and capabilities of the present utility model are described in further detail below in connection with the examples.
Self-sealing joint example 1 in the present utility model:
according to the self-sealing joint, the locking device is arranged on the female joint of the self-sealing joint, the locking device comprises the locking ring, the buckle and the handle, in the process of connecting the male joint and the female joint, the buckle is clamped on the boss of the male joint, and the locking of the male joint and the female joint is realized by rotating the handle, so that the locking mode of the original locking nut is replaced, the technical problem that metal powder is generated in the process of disassembling and assembling a threaded connection, the generated powder enters high-voltage electrical equipment and is very easy to cause equipment failure is solved, and the convenience of operation is improved.
Specifically, the self-sealing connector comprises a male connector (not shown) and a female connector 1, as shown in fig. 1 and 2, the female connector 1 is provided with a locking device for the self-sealing connector, and in this embodiment, the male connector is connected to the SF 6 The gas chamber of the gas-insulated metal-enclosed switchgear is provided with a female connector which is connected with the inflation equipment. It should be noted that the structure of the female connector 1 and the male connector belongs to the prior art, the female connector 1 is provided with a sleeve, the right end of the sleeve is provided with a stop step for stopping the lock nut, the outer part of the male connector is provided with a boss, and the sleeve, the stop step and the boss are arranged on the outer part of the male connectorThe detailed structure and other detailed structures are the same as those disclosed in patent document CN107152575B, and will not be described in detail in this embodiment.
The locking device for the self-sealing joint comprises a locking ring 2 arranged outside a sleeve of a female joint 1 of the self-sealing joint, wherein the locking ring 2 comprises two outer side surfaces 21 which are symmetrical and parallel relative to the center of the locking ring 2, handles 3 are hinged to the two outer side surfaces 21 respectively, in the embodiment, the locking ring 2 is in the shape of a hexagonal prism, a fixing plate 6 is fixedly arranged on the two opposite outer side surfaces 21, an ear plate 61 is arranged on the fixing plate 6, and the handles 3 are hinged to the ear plate 61. Meanwhile, the locking ring 2 is sleeved on the sleeve, and the end face of the locking ring 2 is in stop fit with the stop step.
The handle 3 comprises two handle bars 32 arranged in parallel at intervals and a connecting rod 33 connected to one end of the two handle bars 32, the other ends of the two handle bars 32 are hinged with the locking ring 2, namely the other ends of the two handles 3 are hinged with the lug plate 61, and a connecting shaft 5 is hinged between the two handle bars 32.
The handle 3 is further connected with a buckle 4, specifically, the buckle 4 comprises a clamping ring 41 used for being clamped on a boss of a corresponding male connector, and a rod body 42 connected with the clamping ring 41, and the rod body 42 is connected with the connecting shaft 5. In the rotation stroke of the handle 3, the locking relation between the locking ring 2 and the stopping step drives the female connector 1 to move towards the male connector, so that the locking station for butt-joint locking of the male connector and the female connector 1 is realized, the unlocking station is further provided with an unlocking station for releasing the buckle 4 when the locking ring 41 and the boss are reversely rotated, in order to increase the contact area between the locking ring 41 and the boss, the stability of connection is enhanced, the locking ring 41 comprises a straight rod section 411 used for being in contact with the boss, and when the male connector and the female connector 1 are in butt-joint locking, the straight rod section 411 of the locking ring 41 compresses the boss.
In order to conveniently adjust the distance between the snap ring 41 and the connecting shaft 5, the rod body 42 is provided with external threads, the connecting shaft 5 is provided with a threaded hole, the rod body 42 is connected with the connecting shaft 5 through the matching of the external threads and the threaded hole, so that the distance between the snap ring 41 and the connecting shaft 5 can be adjusted, the compression degree of the female connector 1 to the male connector is adjusted, and when the compression force of the male connector and the female connector 1 is insufficient due to the fact that the connection of the buckle and the connecting shaft is loose after long-term use, the adjustment is convenient and timely, and the adjustment in the debugging and use process is convenient.
In order to avoid abrasion of the handle 3 and to make the handle 3 slip-proof, to improve the convenience of operation, the connecting rod 33 and the two handle bars 32 are externally provided with sheaths.
In this embodiment, the end that handle pole 32 is close to connecting rod 33 is provided with section of bending 31, and section of bending 31 extends to the one side of keeping away from locking ring 2 when handle 3 is in the locking station, this kind of setting compares and does not set up section of bending 31, and two handles 3 are not whole close female joint 1 in whole after locking, but leave the space between handle 3 and female joint 1, conveniently open handle 3, dismantles the operation, simultaneously through setting up section of bending 31, can also make the handle 3 tip dodge other structures on the female joint 1 when handle 3 is in the locking station.
When the locking device is specifically used, firstly, the locking ring 2 is arranged on the female connector 1, when the locking device is in butt joint with the male connector, the female connector 1 is placed at the position of butt joint with the male connector, the clamping ring 41 on the clamping ring 4 is hung on the boss of the male connector, the clamping ring 4 clamped on the boss is tensioned by the handle 3 through rotating the handle 3, and then the female connector 1 is driven to move towards the male connector through the locking ring 2, so that the female connector 1 is tightly pressed on the male connector, the butt joint locking of the female connector 1 and the male connector is realized, and when the connection of the male connector and the female connector 1 is required to be disassembled, the handle 3 is rotated to an unlocking station.
To sum up, through this kind of connected mode, replace original lock nut, female joint 1 and male joint do not need threaded connection again, thereby the technical problem that the powder that has solved threaded connection and produced produces metal powder in dismouting process, the powder gets into in the high-voltage electrical equipment extremely easily causes equipment trouble, simultaneously, this kind of connected mode, only need through hanging the buckle to appointed position, through rotating the handle at locking station and unblock station, can realize locking or dismantle the connection of male joint and female joint 1, compare threaded connection, male joint and female joint 1's dismouting is more convenient, and connecting efficiency has been improved.
Example 2 of self-sealing joint in the present utility model:
this embodiment provides a different form of locking ring, differing from embodiment 1 in that: in this embodiment, only a pair of symmetrical and parallel outer sides with respect to the center of the locking ring are provided on the locking ring, two handles are respectively provided on the two outer sides, and in other embodiments, symmetrical and parallel outer sides are not provided on the locking ring, at this time, the outer sides of the locking ring are cylindrical surfaces, and the handles are directly hinged on the cylindrical surfaces.
Example 3 of self-sealing joint in the present utility model:
the present embodiment provides a snap ring of a different form, which is different from embodiment 1 in that: in this embodiment, the straight rod section is not provided on the snap ring, but the arc section is provided as long as it can be clamped on the boss.
Example 4 of self-sealing joint in the present utility model:
this embodiment provides a different form of handle, differing from embodiment 1 in that: in this embodiment, the handle is not provided with a bending section, and the connecting rod is a straight rod.
Example 5 of self-sealing joint in the present utility model:
this embodiment provides a different form of handle, differing from embodiment 1 in that: in this embodiment, no sheath is provided on the outside of the handle bar.
Example 6 of self-sealing joint in the present utility model:
the present embodiment provides a manner in which a rod body of a different form is connected to a connecting shaft, which is different from embodiment 1 in that: in this embodiment, no screw thread is provided on the rod body, and the rod body is directly fixedly connected with the connecting shaft in a welding manner.
Example 7 of self-sealing joint in the present utility model:
the present embodiment provides a manner in which a rod body of a different form is connected to a connecting shaft, which is different from embodiment 1 in that: in this embodiment, the rod body is hinged to the connecting shaft, and the connecting shaft is fixedly connected to the handle rod.
Example 8 of self-sealing joint in the present utility model:
the present embodiment provides a connection manner of a rod body of a different form, which is different from embodiment 1 in that: in this embodiment, the clasp may be hinged directly to the handle bar.
Example 9 of self-sealing joint in the present utility model:
this embodiment provides a different form of handle, differing from embodiment 1 in that: in this embodiment, the handle is a single handle bar with one end hinged to the locking ring and the other end acting as the operating lever, in which case there is no connecting bar.
the present embodiment provides a different arrangement of the locking ring, which is different from embodiment 1 in that: in this embodiment, the whole locking device is applied to the male connector, at this time, the locking ring is sleeved on the male connector, and the buckle on the locking ring is fastened on the boss on the female connector.
Example 11 of self-sealing joint in the present utility model:
the present embodiment provides a different arrangement of the locking ring, which is different from embodiment 1 in that: in this embodiment, the locking ring is fixedly connected to the male or female connector by direct welding.
The embodiment of the locking device for the self-sealing joint in the utility model is as follows: the specific structure of the locking device for the self-sealing joint is the same as that of the self-sealing joint, and is not repeated here.
The above description is not intended to limit the utility model to the particular embodiments disclosed, but should be considered as limitations on the scope of the utility model except insofar as indicated by the appended claims.
Claims (10)
1. The utility model provides a locking device for self-sealing joint, a serial communication port, including being used for setting up at the outside locking ring (2) of sleeve pipe of the male joint or female joint (1) of self-sealing joint, articulated on locking ring (2) have handle (3), be connected with buckle (4) on handle (3), buckle (4) including being used for the snap ring (41) of card on the boss of corresponding female joint (1) or male joint, buckle (4) and then drive the locking station of male joint, female joint (1) butt joint locking through locking ring (2) when having forward rotation in the rotation stroke of handle (3), release buckle (4) so that the unblock station that makes snap ring (41) and boss break away from when still having reverse rotation.
2. Locking device for self-sealing joints according to claim 1, characterized in that the handle (3) comprises two handle bars (32) arranged in parallel and spaced apart and a connecting rod (33) connected to one end of the two handle bars (32), the other end of the two handle bars (32) being hinged to the locking ring (2).
3. The locking device for self-sealing joints according to claim 2, characterized in that a connecting shaft (5) is connected between the two handle bars (32), the buckle (4) further comprises a bar body (42) connected with the snap ring (41), and the bar body (42) is connected with the connecting shaft (5).
4. A locking device for a self-sealing joint according to claim 3, characterized in that the rod body (42) is provided with external threads, the connecting shaft (5) is provided with threaded holes, and the rod body (42) is connected with the connecting shaft (5) in a matched manner through the external threads and the threaded holes.
5. Locking device for self-sealing joints according to claim 3 or 4, characterized in that the connecting shaft (5) is hinged to two handle bars (32).
6. Locking device for self-sealing joints according to any of claims 2-4, characterized in that the connecting rod (33) and the two handle bars (32) are provided with a sheath externally.
7. A locking device for self-sealing joints according to any one of claims 2-4, characterised in that the end of the handle bar (32) close to the connecting bar (33) is provided with a bending section (31), the bending section (31) extending to the side remote from the locking ring (2) when the handle (3) is in the locking position.
8. A locking device for self-sealing joints according to any one of claims 1-4, characterized in that the snap ring (41) comprises a straight bar section (411) for contacting the boss.
9. A locking device for self-sealing joints according to any one of claims 1-4, characterized in that the locking ring (2) comprises two outer sides (21) symmetrical and parallel with respect to the centre of the locking ring (2), said handles (3) being hinged to each of the outer sides (21), said clasp (4) being connected to each handle (3).
10. A self-sealing joint comprising a male joint and a female joint (1), characterized in that a locking device is arranged on the male joint or the female joint (1), and the locking device is a locking device for the self-sealing joint according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223304917.XU CN219102314U (en) | 2022-12-07 | 2022-12-07 | Locking device for self-sealing joint and self-sealing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223304917.XU CN219102314U (en) | 2022-12-07 | 2022-12-07 | Locking device for self-sealing joint and self-sealing joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219102314U true CN219102314U (en) | 2023-05-30 |
Family
ID=86462383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223304917.XU Active CN219102314U (en) | 2022-12-07 | 2022-12-07 | Locking device for self-sealing joint and self-sealing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219102314U (en) |
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2022
- 2022-12-07 CN CN202223304917.XU patent/CN219102314U/en active Active
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