CN201636477U - Quick connector - Google Patents
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- Publication number
- CN201636477U CN201636477U CN2010201700041U CN201020170004U CN201636477U CN 201636477 U CN201636477 U CN 201636477U CN 2010201700041 U CN2010201700041 U CN 2010201700041U CN 201020170004 U CN201020170004 U CN 201020170004U CN 201636477 U CN201636477 U CN 201636477U
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- plug
- spool
- socket
- valve
- wall
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- Expired - Fee Related
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Abstract
The utility model relates to a quick connector, which comprises a plug (1) and a socket (2), wherein a seal segment and a spacing groove are arranged on the plug; an outer sleeve (8), a steel ball (5), a socket body(3), a piston sleeve type valve seat (12), a piston type valve core (14) and a pipeline connector (15) are arranged on the socket; the valve core adopts a cap cylindrical part with one sealed end and one opened end, the opened end of the cap cylindrical part points to the plug, and a through hole (14h) is formed on the cylinder wall surface at the closed end; a convex shoulder propped against with the plug is arranged on the inner wall of the valve core cylinder body, a convex shoulder with one end facing backwards is arranged on the outer wall, a convex shoulder with one end facing towards is arranged on the valve seat, and a stop spring (9) is arranged between the two convex shoulders; and a sealing surface of the valve core is arranged at the back of a through hole on the outer wall at the rear segment of the valve core. Compared with prior art, the utility model adopts the plug to directly push the valve core through the convex shoulders, so as to be simple in structure; moreover, the stop spring of the valve is arranged outside the valve core cylinder wall, so as to be safe in use; with a segment of sealing surface at the back of the valve core through hole, a certain period of time for stopping the valve core moving backwards under the push of the plug is left, so as to avoid the problem of toilsome plug-in connection due to impulsive force on the plug by medium generated under conduction of the valve as soon as the valve core is touched.
Description
Technical field
The utility model relates to a kind of rapid pipe joint, is to be used for a kind of rapid pipe joint that medium pipelines such as all gases, water connect, and belongs to the quick interconnection technique of pipe field in the mechanical engineering.
Background technique
At present, the parted hair device under Operating Pressure and pipeline distribute and are connected industries such as being widely used in shipbuilding, steel structure as gas or liquid in rapid pipe joint.On the market common rapid pipe joint mainly based on straight-through form, comprise a plug, a socket, socket comprises part and the valve portion with plug locking, socket was sealing when said valve made plug not insert socket, when the precalculated position of plug insertion socket, then get through the socket inner passage, finish the grafting operation of pipeline.The structure outline that is to say this type of rapid pipe joint is the location, the sealing before and after pegging graft, pipeline break-make after plug and socket is pegged graft etc.Simultaneously, for fear of Chinese utility model patent ZL200820001837.8 disclose " a kind of safety type rapid pipe joint is characterized in that, comprising: a joint body; it is the hollow cylinder with an inlet end and an outlet side, and its inside is provided with an air chamber that is communicated in the outlet side; One plug socket, it comprises a cohesive end and an insertion end, this cohesive end is connected with the outlet side of joint body, plug socket inside is provided with the tank of a connection two ends, tank is provided with the radially outstanding retaining edge in center on one day being positioned at the insertion end place, the plug socket perisporium is provided with most shafts to the microscler big pearl groove that extends and most individual two globule grooves between the big pearl groove that lay respectively at, the globule groove is to be correspondingly positioned at big pearl groove away from outer retaining edge side, and the plug socket periphery wall is provided with axially extended plane more than; One movable seat, be to be sheathed in the plug socket, it comprises a closed end and an opening end, its opening end is the interior retaining edge that is resisted against plug socket, should be provided with the retaining edge of a contiguous closed end, steel ball perforation and one recessed edge of a majority neighbouring open end by a movable periphery wall, this retaining edge is closed in the cohesive end of plug socket when not pegging graft with tool joint pin, the quantity of each steel ball perforation and distribution angle are identical with big pearl groove, movable seat inside is the hollow shape that is communicated with opening end, and the perisporium that keeps off edge in movable seat vicinity is provided with the air vent of one or more and internal communication in addition; One first section pushes away seat, be to be located at movable seat inside, comprise that a sleeve and is located at first packing ring of sleeve inner, barrel forward end is provided with a front stopping edge, the interior retaining edge internal diameter of described plug socket is that first packing ring is the rubber-like hollow object between the external diameter and front stopping edge internal diameter of sleeve; The one control position collar, it is the hollow article that is sheathed on the plug socket periphery, its inside comprises a large-diameter portion and a minor diameter part, this large-diameter portion is the big pearl groove periphery that is correspondingly positioned at plug socket, and minor diameter part is to be located at the stage casing and to be provided with more than one plane with the plug socket coupling, the minor diameter part inner circle wall is provided with most axially extended grooves, and each groove quantity and arrangement angles are identical with the globule groove, and groove is to be communicated in large-diameter portion; One first spring is retaining edge and the joint body inside that axially stays on movable seat; One second spring is axially to stay on first section to push away seat and movable seat inside; One the 3rd spring is minor diameter part rear end and the joint body that axially stays on plug socket; Most big steel balls are located in big pearl groove, the steel ball perforation respectively and are resisted against first section sleeve periphery wall that pushes away seat; Most little steel balls are located in the globule groove respectively and are resisted against the periphery wall of movable seat.”。The original intention of above-mentioned this technology is for improving at the beginning of the grafting tool joint pin, tool joint pin can not be subjected to the impact of pressurized gas and go out, but this rapid pipe joint is the structure more complicated not only, overlap steel balls etc. if any two, defectives such as manufacture cost height, inconvenient maintenance, working life be low are arranged, and the means of avoiding going out are with unfavorable environmental protection of gas emptying and safety, and a plurality of springs therefore unreasonable structure on gas circuit is arranged simultaneously.
Summary of the invention
At above-mentioned deficiency, the utility model will propose a kind of simple in structure and rational rapid pipe joint exactly.
Rapid pipe joint of the present utility model, include plug and socket, seal section and restraining groove are wherein arranged on the plug, cutting graftage part that constitutes with overcoat, steel ball, socket and the valve portion that constitutes with valve seat, spool are arranged on the socket, valve seat is connected with pipe interface, valve seat bore is less than the pipe interface internal diameter, pipe interface gang socket body; Said spool is a piston type, valve seat is the piston shell type, said spool is the cap tube shape component that an end seals an end opening, opening end point to plug and inwall and plug seal section Spielpassung and which is provided with and plug between seal ring, the closed end tube wall surface has through hole; The cutoff spring that elastic force points to opening end is installed on the said spool, and spool was subjected to plug to promote to move back valve conducting to the closed end direction when plug inserted, and spool was subjected to spring to promote to end after the opening end direction moves when no plug inserted; On the said spool cylinder inboard wall convex shoulder that offsets with plug is arranged, convex shoulder is between the opening end being mating part with the plug seal section; Said spool cylinder body outer wall has end face convex shoulder backward, and end face convex shoulder is forward arranged on the valve seat, and said cutoff spring is installed between two convex shoulders; Spool back segment outer wall and valve base inner wall are the sealing surfaces between spool and the valve seat, and through hole is before said sealing surface on the spool.Fore-and-aft direction is before each with direction of insertion is by plug, socket in the utility model, and promptly plug, socket are to insert forward separately.
Compared with prior art, the utility model is owing to there is the piston valve cored structure of convex shoulder in having adopted, directly promote spool through convex shoulder with plug, and be provided with between plug outer wall and the spool and plug seal section cylinder between the ring structure that seals, make simple in structure; The cutoff spring of valve is outside the spool barrel simultaneously, the i.e. part except that the passage part such as no spring in medium channel, neither can cause this type of part in medium, to be corroded, also the not therefore existence of class part and cause that medium is obstructed even peel off the equipment that stops up working medium because of the part corrosion; In addition, between spool and valve seat, one section sealing surface is arranged after the valve core through hole, make spool under plug promotes when mobile backward for some time valve remain and end, avoided the medium that causes once moving valve conducting because of spool that plug is had the peg graft problem of effort of impulse force.
Said spool is equipped with seal ring outside the rear end, and sealing circle mounting point is the rear end of sealing surface between seal ring sealing spool and the valve seat when spool is in rest position normally so that valve by the time spool and valve seat between sealing fully; Before the said valve core through hole and between the valve seat seal ring was installed, valve is not leaked, the sealing circle is installed in the groove of valve base inner wall usually, and the position is on the spool of valve when ending before the through hole; After aforementioned two seal rings have been installed, can make Spielpassung between said spool and the valve seat, to reduce the abrasion between the sealing surface and the needed power of pegging graft.
Rapid pipe joint of the present utility model, socket is a hollow tube, fixedly connected with pipe interface in its rear end, between said socket and the spool bit-stopping structure is arranged when valve ended after plug pulled away, be that socket has an internal diameter to enlarge the face of formation backward, the spool front end has the face that dwindles formation before the outer radial, the two sides is butted on the position that valve ends mutually, said the inclined-plane also can be perpendicular to the face of axis, the structure that spool can not be moved forward again as long as mutual conflict is arranged is so that spool is implemented to end under the effect of cutoff spring after plug pulls away reliably.
Rapid pipe joint of the present utility model has the steel ball hole on the socket body wall, steel ball is placed in the steel ball hole of socket, is provided with an annular groove on the socket outer wall before the hole, settles jump ring in the annular groove; Overcoat is installed in outside the socket, put outward one backward end face and pipe interface one end face forward between shore the Returnning spring that overcoat is arranged; Said outer casing inner wall has one to be trumpet-shaped slick and sly reducer, horn mouth forward, said jump ring external diameter is greater than minimum place internal diameter on the reducer, reducer biggest place internal diameter is greater than socket steel ball place wall internal diameter and two diameter of the steel ball sums; Reducer axial length in the said overcoat is greater than the distance of axial displacement that is enclosed within outward on the socket, the front position-arresting of said overcoat axial displacement offsets in jump ring and reducer, last stop bit is in the maximum compression point of Returnning spring, when being enclosed between this front and back stop bit point displacement outward, said steel ball is in the reducer axial length range.The utility model make cutting graftage part on the socket and valve portion from, promptly the relative socket in steel ball hole placed of the steel ball of spacing usefulness is fixed, rather than fixes with respect to spool, compared with prior art, can simplify the position structure of cutting graftage part.
The diameter at said plug restraining groove edge is greater than the seal section diameter, and the part external diameter that spool front end and plug seal section cooperate is identical with the diameter at plug restraining groove edge, and the spool stop bit is when the most preceding, and the spool front end enters radially projecting's scope in steel ball hole on the socket.This place says when structure makes plug withdraw from socket, and the activity of steel ball in socket be by the restriction of spool front end, as do not have the structure that this structure then will have other restriction steel balls inwardly to deviate from the socket, shrinks on inwall as the steel ball hole etc.For making reducing steady, with chamfered transition, and said spool front end also be the inclined-plane after the insertion seal section of said plug and between the restraining groove edge, in the spool and plug two inclined-plane Spielpassung when offseting.
Description of drawings
Fig. 1 be in the utility model plug one embodiment partly cut open figure, among the figure: 1-plug, 1a-pipe coupling, the 1b-section of shaking hands, 1c-positioning section, 1d-restraining groove, 1e-seal section;
Fig. 2 be in the utility model socket one embodiment partly cut open figure, among the figure: 2-socket, 3-socket, the 4-jump ring, 5-steel ball, 6-seal ring, the 7-Returnning spring, 8-overcoat, 9-cutoff spring, the 10-seal ring, 11-seal ring, 12-valve seat, the 13-seal ring, the 14-spool, through hole on the 14h-spool, 15-pipe interface;
Fig. 3 is the structural representation after socket joins among plug and Fig. 2 among Fig. 1, among the figure: 1-plug, 2-socket, the 3-socket, 4-jump ring, 5-steel ball, the 6-seal ring, 7-Returnning spring, 8-overcoat, the 9-cutoff spring, 10-seal ring, 11-seal ring, the 12-valve seat, 13-seal ring, 14-spool, through hole on the 14h-spool, the 15-pipe interface.
Embodiment
1,2,3 embodiments that given are further described the utility model below in conjunction with accompanying drawing.
Rapid pipe joint comprises 2 two parts of plug 1 and socket as shown in Figure 1, and plug is a single part, and it is medium channel that mesopore is arranged on the axis.Its back segment is the pipe coupling 1a that is connected with flexible pipe, and there is the section of shaking hands 1b the centre, and leading portion is the part that is connected with socket, wherein is seal section 1e foremost, by the section of shaking hands be positioning section 1c, restraining groove 1d is arranged between two sections.
Plug is assembled by a plurality of parts as shown in Figure 2, and two parts are arranged, i.e. the valve portion of the cutting graftage part of front end and rear end.The cutting graftage part comprises the structure of adaptor plug and makes plug be positioned at structure on the socket, parts such as socket 3, jump ring 4, steel ball 5, Returnning spring 7, overcoat 8 are arranged; Valve portion comprises the structure of connection plug and medium supply line and whether inserts the structure that makes the pipeline break-make according to plug, parts such as seal ring 6, cutoff spring 9, seal ring 10,11,13, valve seat 12, spool 14, pipe interface 15 are arranged.Wherein the pipe interface rear portion has the internal thread front portion that is connected with pipeline to be valve casing, and front end also is threaded with socket simultaneously.The internal diameter of the anterior valve casing part of pipe interface has female thread portion greater than the rear portion, and piston shell type valve seat is installed piston valve core through seal ring in the valve seat in seal ring is installed in valve casing.Spool is the cap shape part of a back-end closure, and anterior part of extending one section reducing, promptly outer wall is oriented before with to back end convex shoulder, the convex shoulder of the oriented front-end face of inwall.Spool rear portion outer wall is the part that cooperates and seal with valve seat, and the sealing surface of rear-most end is arranged, and the medium through hole 14h between the sealing surface plays the piston guide effect with sealing surface before again, also can regard the piston rod part as.Aforementioned spool outer wall backward end face and the valve seat front-end face between cutoff spring is installed; Outer wall end face forward is a spool reach stop bit end face, with the stop bit that offsets of backward end face on the socket inwall convex shoulder; The anterior endoporus of spool is less than the plug external diameter, makes the convex shoulder of the end face effect that can offset and be pushed spool by plug to play with plug head forward of its inwall.Spool inwall convex shoulder also had one section seal section that cooperates with the plug seal section in the past, and grooving is installed when seal ring inserts plug and sealed on the spool front sealing section inwall.A seal ring is installed in grooving on the spool outer wall rear end, chamfer behind the valve base inner wall, and seal ring is pressed on the chamfering when making spool reach stop bit, makes to seal fully between spool and the valve seat not make dielectric leakage.The steel ball hole is arranged on socket, and steel ball hole institute open position is that its seal section can relate to a part and makes steel ball can inwardly not fall behind the spool reach stop bit, and steel ball hole socket inwall and plug positioning section forward made Spielpassung.Socket is equipped with overcoat outward, and outer casing inner wall has a horn-like reducer, and the reducer rear end is to back end a convex shoulder, and a Returnning spring is installed between this convex shoulder and the pipe fitting interface front end face, and the anterior grooving of socket outer wall is equipped with jump ring.Overcoat can move axially, and the reach stop bit offsets in jump ring and this reducer, in then the jump ring external diameter is located greater than this reducer is minimum straight; After move stop bit and compress fully in Returnning spring.In the whole axial displacement of overcoat, said reducer contacts with steel ball all the time, and promptly steel ball rolls in the reducer scope.Said reducer biggest place is not less than and still makes steel ball in the steel ball hole but inwardly do not expose the plug that the socket inwall does not hinder plug, then makes steel ball inwardly expose the socket inwall after dwindling and is absorbed in the plug restraining groove.That is to say, promote overcoat backward steel ball is pushed up and the neat position of socket inwall, loosen the overcoat steel ball and can be pressed into and expose the socket inwall, inserted then and can be absorbed in the restraining groove as plug.The shift length of spool is during the plug plug, insertion makes spool backward, and medium through hole is exposed valve seat ear end face (as shown in Figure 3) backward on the spool, when extracting cutoff spring make spool forward and with socket with the convex shoulder stop bit, valve core sealed cover cooperates with sealing surface of seat, back-end sealing circle enhanced leaktightness.
During work, spool and valve seat were with seal ring 13 sealings when no plug inserted, and medium does not leak; When plug inserted, spool move media backward entered the spool endoporus and sends through plug from through hole, between this moment plug and the spool, between spool and the valve seat seal ring 6,10 sealings are arranged all.Steel ball then enters restraining groove is connected firmly plug and socket, in the time of pulling away plug, to pusher steel ball can be ejected in overcoat, then plug can be pulled away.
Claims (7)
1. rapid pipe joint, include plug and socket, seal section and restraining groove are wherein arranged on the plug, cutting graftage part that constitutes with overcoat, steel ball, socket and the valve portion that constitutes with valve seat, spool are arranged on the socket, valve seat is connected with pipe interface, valve seat bore is less than the pipe interface internal diameter, pipe interface gang socket body; Said spool is a piston type, valve seat is the piston shell type, said spool is the cap tube shape component that an end seals an end opening, opening end point to plug and inwall and plug seal section Spielpassung and which is provided with and plug between seal ring, the closed end tube wall surface has through hole; The cutoff spring that elastic force points to opening end is installed on the said spool, and spool was subjected to plug to promote to move back valve conducting to the closed end direction when plug inserted, and spool was subjected to spring to promote to end after the opening end direction moves when no plug inserted; It is characterized in that on the said spool cylinder inboard wall convex shoulder that offsets with plug being arranged, convex shoulder is between the opening end being mating part with the plug seal section; Said spool cylinder body outer wall has end face convex shoulder backward, and end face convex shoulder is forward arranged on the valve seat, and said cutoff spring is installed between two convex shoulders; Spool back segment outer wall and valve base inner wall are the sealing surfaces between spool and the valve seat, and through hole is before said sealing surface on the spool.
2. rapid pipe joint as claimed in claim 1, it is characterized in that outside the said spool rear end seal ring being installed, sealing circle mounting point is the rear end of sealing surface between seal ring sealing spool and the valve seat when spool is in rest position so that valve by the time spool and valve seat between sealing fully.
3. rapid pipe joint as claimed in claim 1, it is characterized in that before the said valve core through hole and valve seat between seal ring was installed, the sealing circle is installed in the groove of valve base inner wall, the position is on the spool of valve when ending before the through hole.
4. as claim 1 and 2 described rapid pipe joints, it is characterized in that making Spielpassung between said spool and the valve seat.
5. rapid pipe joint as claimed in claim 1, it is characterized in that socket is a hollow tube, fixedly connected with pipe interface in its rear end, between said socket and the spool bit-stopping structure is arranged when valve ended after plug pulled away, be that socket has an internal diameter to enlarge the face of formation backward, the spool front end has the face that dwindles formation before the outer radial, the two sides is butted on the position that valve ends mutually, said the inclined-plane also can be perpendicular to the face of axis, the structure that spool can not be moved forward again as long as mutual conflict is arranged is so that spool is implemented to end under the effect of cutoff spring after plug pulls away reliably.
6. as claim 1 or 5 described rapid pipe joints, it is characterized in that the steel ball hole is arranged on the socket body wall, steel ball is placed in the steel ball hole of socket, is provided with an annular groove on the socket outer wall before the hole, settles jump ring in the annular groove; Overcoat is installed in outside the socket, put outward one backward end face and pipe interface one end face forward between shore the Returnning spring that overcoat is arranged; Said outer casing inner wall has one to be trumpet-shaped slick and sly reducer, horn mouth forward, said jump ring external diameter is greater than minimum place internal diameter on the reducer, reducer biggest place internal diameter is greater than socket steel ball place wall internal diameter and two diameter of the steel ball sums; Reducer axial length in the said overcoat is greater than the distance of axial displacement that is enclosed within outward on the socket, the front position-arresting of said overcoat axial displacement offsets in jump ring and reducer, last stop bit is in the maximum compression point of Returnning spring, when being enclosed between this front and back stop bit point displacement outward, said steel ball is in the reducer axial length range.
7. rapid pipe joint as claimed in claim 6, the diameter that it is characterized in that plug restraining groove edge is greater than the seal section diameter, the part external diameter that spool front end and plug seal section cooperate is identical with the diameter at plug restraining groove edge, the spool stop bit is when the most preceding, and the spool front end enters radially projecting's scope in steel ball hole on the socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201700041U CN201636477U (en) | 2010-04-21 | 2010-04-21 | Quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201700041U CN201636477U (en) | 2010-04-21 | 2010-04-21 | Quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201636477U true CN201636477U (en) | 2010-11-17 |
Family
ID=43080970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201700041U Expired - Fee Related CN201636477U (en) | 2010-04-21 | 2010-04-21 | Quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201636477U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148299A (en) * | 2013-03-19 | 2013-06-12 | 东莞添迪电子五金实业有限公司 | Quick pneumatic connector socket |
| CN106931260A (en) * | 2017-03-31 | 2017-07-07 | 福建上润精密仪器有限公司 | A kind of pressure piping snap joint |
| CN107178642A (en) * | 2017-07-26 | 2017-09-19 | 中山市天浩塑料制品实业有限公司 | Valve |
| CN107975644A (en) * | 2017-11-24 | 2018-05-01 | 北京宇航***工程研究所 | A kind of zero water clock quick coupling of super-pressure |
| CN111360456A (en) * | 2020-03-24 | 2020-07-03 | 上海外高桥造船有限公司 | Welding machine gas collection bag and mobile welding machine box comprising same |
| CN111537149A (en) * | 2020-06-08 | 2020-08-14 | 四川大学 | Intelligent center rod telescopic experiment platform |
| CN112128493A (en) * | 2020-09-18 | 2020-12-25 | 山东航天电子技术研究所 | Steel ball locking quick joint |
| CN112378709A (en) * | 2020-11-19 | 2021-02-19 | 深圳市碳域科技有限公司 | Sampling device for medical detection articles |
| CN113017538A (en) * | 2020-12-31 | 2021-06-25 | 西安申兆光电科技有限公司 | Connecting assembly for endoscope and endoscope |
| CN113700961A (en) * | 2021-09-16 | 2021-11-26 | 中广核工程有限公司 | Safe quick-operation joint for nuclear power |
| CN114233965A (en) * | 2021-11-29 | 2022-03-25 | 中航光电科技股份有限公司 | Low plug power fluid connector and socket |
-
2010
- 2010-04-21 CN CN2010201700041U patent/CN201636477U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148299A (en) * | 2013-03-19 | 2013-06-12 | 东莞添迪电子五金实业有限公司 | Quick pneumatic connector socket |
| CN106931260A (en) * | 2017-03-31 | 2017-07-07 | 福建上润精密仪器有限公司 | A kind of pressure piping snap joint |
| CN107178642A (en) * | 2017-07-26 | 2017-09-19 | 中山市天浩塑料制品实业有限公司 | Valve |
| CN107975644A (en) * | 2017-11-24 | 2018-05-01 | 北京宇航***工程研究所 | A kind of zero water clock quick coupling of super-pressure |
| CN111360456A (en) * | 2020-03-24 | 2020-07-03 | 上海外高桥造船有限公司 | Welding machine gas collection bag and mobile welding machine box comprising same |
| CN111537149B (en) * | 2020-06-08 | 2024-03-22 | 四川大学 | Intelligent center rod telescopic experiment platform |
| CN111537149A (en) * | 2020-06-08 | 2020-08-14 | 四川大学 | Intelligent center rod telescopic experiment platform |
| CN112128493A (en) * | 2020-09-18 | 2020-12-25 | 山东航天电子技术研究所 | Steel ball locking quick joint |
| CN112378709A (en) * | 2020-11-19 | 2021-02-19 | 深圳市碳域科技有限公司 | Sampling device for medical detection articles |
| CN113017538A (en) * | 2020-12-31 | 2021-06-25 | 西安申兆光电科技有限公司 | Connecting assembly for endoscope and endoscope |
| CN113017538B (en) * | 2020-12-31 | 2024-06-18 | 上海澳华内镜股份有限公司 | Connection assembly for endoscope and endoscope |
| CN113700961A (en) * | 2021-09-16 | 2021-11-26 | 中广核工程有限公司 | Safe quick-operation joint for nuclear power |
| CN113700961B (en) * | 2021-09-16 | 2024-05-28 | 中广核工程有限公司 | Safe quick connector for nuclear power |
| CN114233965A (en) * | 2021-11-29 | 2022-03-25 | 中航光电科技股份有限公司 | Low plug power fluid connector and socket |
| CN114233965B (en) * | 2021-11-29 | 2024-06-04 | 中航光电科技股份有限公司 | Low-plug-in force fluid connector and socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20120421 |