CN101629659A - Theftproof joint of pipeline - Google Patents
Theftproof joint of pipeline Download PDFInfo
- Publication number
- CN101629659A CN101629659A CN200910144245A CN200910144245A CN101629659A CN 101629659 A CN101629659 A CN 101629659A CN 200910144245 A CN200910144245 A CN 200910144245A CN 200910144245 A CN200910144245 A CN 200910144245A CN 101629659 A CN101629659 A CN 101629659A
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- annular groove
- sleeve body
- pipeline
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a theftproof joint of a pipeline, which belongs to the machinery technical field and solves the technical problem that the prior theftproof meter joint can not be repeatedly used. The theftproof joint of the pipeline comprises a cylindrical outer sleeve body, a nut and a tubular joint body, wherein an inner side surface of one end of the nut is provided with a retaining edge, the joint body penetrates in the nut and is provided with an annular convex shoulder, the retaining edge is buckled on the annular convex shoulder, the outer sleeve body is arranged outside the nut and the joint body, a limiting mechanism for axially fixing the outer sleeve body is arranged between the outer sleeve body and the joint body, the outer sleeve body is provided with an unlocking tool, and the limiting function of the limiting mechanism can be released to enable the joint body to slide on the joint body when the unlocking tool is inserted into an unlock jack. The theftproof joint of the pipeline has the advantages of simple structure, reasonable design, and can be repeatedly assembled and disassembled through the special unlock tool.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of theftproof joint, particularly a kind of theftproof joint of pipeline.
Background technique
The used daily necessities such as coal G﹠W of family are all carried by pipeline in the city at present, and the coal gas that one family consumed or the water yield are to count by the gauge table that is arranged on the pipeline.The gauge table of existing piped gas, rock gas or water is to receive in the pipeline by meter connector, and its meter connector is connected with pipeline by a kind of pipe joint unit.If there is not reliable anti-theft measure, gauge table is easy to be disassembled privately by the certain user, or take an improper hand will table rotating speed slow down or reversal connection reversing counting, reach the purpose that coal gas, rock gas or water are used in theft.This situation not only causes very big economic loss to managerial department, also exists simultaneously to dismantle privately on the potential safety hazard, particularly gas pipe line to be easy to cause the accident.For solving the problem of this respect, have plenty of the making stealingproof sleeve, gauge table is closed; The employing line lead sealing that has is welded the meter connector and the pipeline of gauge table extremely together, breaks away to prevent both.But practical is a kind of antitheft pipeline nut apparatus with lock of design.
As the disclosed disposable antitheft meter connector of patent (CN2869799Y), this device connects into a complete meter connector by overcoat, nut and fittings body, the overcoat underpart is a circular groove, its inside is equipped with nut, outer, nut lower end is provided with a circular groove, be provided with a special-shaped collar in the circular groove nut and overcoat are stuck, overcoat and nut and fittings body link together.
By the snap action of special-shaped collar, overcoat and nut can be tightly fixed together after assembling like this, prevent that effectively the user from dismantling without authorization.But also exist deficiency, after special-shaped collar was with overcoat and nut chucking, the staff of Gas Company also can't disassemble it more normally, belongs to disposable use, may show also to scrap as if tolling breakdown, to raw-material utilize poor.In some occasions that needs frequent repair demolition, this theftproof joint can't be competent at especially.Therefore develop and a kind ofly can antitheftly can make the staff have high economic value again by the antitheft pipe joint unit that special opener can repeat to open and close.
Summary of the invention
The objective of the invention is the problems referred to above, a kind of simple in structure, reusable theftproof joint of pipeline of energy is provided at existing technology existence.
Purpose of the present invention can realize by following technical proposal: a kind of theftproof joint of pipeline, comprise tubular outer sleeve body, nut, fittings body in a tubular form, this nut one end inner side surface has a retaining edge, described fittings body is located in the nut, has annular convex shoulder on this fittings body, described retaining is along being buckled on this annular convex shoulder, described outer sleeve body is set in the nut and the fittings body outside, it is characterized in that, be provided with the position-limit mechanism that makes the outer sleeve body axial restraint between described outer sleeve body and the fittings body, described outer sleeve body is provided with the jack of unblanking, this theftproof joint of pipeline also has a unlocking tool, when this unlocking tool inserts above-mentioned unblanking during jack, the position-limiting action that can remove above-mentioned position-limit mechanism can slide outer sleeve body on fittings body.
The working principle of this device is as follows, above-mentioned nut links together meter connector and fittings body closely by two structures, one is that retaining on the end is along being buckled on the convex shoulder of fittings body, the 2nd, the screw thread of screw thread on meter connector of itself is screwed onto, and by turning screw thread meter connector is bonded on the fittings body end face.Position-limit mechanism between outer sleeve body and the fittings body makes outer sleeve body and fittings body axially can't move; outer sleeve body is positioned at the outside and the axial restraint of nut under the situation of locking; make instruments such as spanner commonly used can't touch nut; thereby the meter connector of protection nut inside is not arbitrarily dismantled by the user, has had antitheft function.But when needing in some scenarios with this meter connector dismounting, the staff can use special unlocking tool to insert in the above-mentioned jack of unblanking, axial limiting mechanism between outer sleeve body and the fittings body was lost efficacy, outer sleeve body can be moved on fittings body vertically, at this moment promoting outer sleeve body can make nut expose outer sleeve body, the staff just can turn nut with spanner, and dismounting is meter connector down.When needing to lock again, can above-mentioned position-limit mechanism be resetted by simple reverse mechanical motion.Make the recursive use of this theftproof joint of pipeline in this way.
In above-mentioned a kind of theftproof joint of pipeline, described position-limit mechanism comprises elastic collar and the annular groove mechanism that is arranged on outer sleeve body and the fittings body, and this elastic collar is positioned at above-mentioned annular groove mechanism.Elastic collar is a kind of flexible ring body with breach, has the movement tendency that expands outwardly, and can tightly withstand on the outer end face of annular groove mechanism in the time of in elastic collar is arranged on annular groove mechanism.
In above-mentioned a kind of theftproof joint of pipeline, described annular groove mechanism comprises the annular groove one that is arranged on the fittings body outer wall and is arranged on annular groove two on the outer sleeve body inwall, this annular groove one and annular groove two between fittings body and outer sleeve body and both positions align mutually, described elastic collar is buckled in two cell bodies.Elastic collar tightly withstands on the end face of annular groove two, because the ring body partial width of elastic collar is greater than the degree of depth of annular groove two, part elastic collar is to be positioned at annular groove one, and annular groove one is in the same place by the elastic collar axial restraint with annular groove two like this, causes outer sleeve body and fittings body axial restraint.
In above-mentioned a kind of theftproof joint of pipeline, the described jack of unblanking comprises the some axial notches on the exterior edge face that is arranged on outer sleeve body, this groove axially runs through annular groove two and becomes cross section with the annular groove dimorphism, described groove is connected with the endoporus of outer sleeve body, and the radial depth of this groove is greater than the radial depth of annular groove two.This groove is the open cell body of end face and side, is buckled between the axial outer side of the outermost end of the elastic collar in the annular groove two and groove and leaves certain space.
In above-mentioned a kind of theftproof joint of pipeline, described groove is circularly and evenly distributed on the outer sleeve body exterior edge face, and the center of circle is on shaft axis.This distribution mode is more even to the active force of elastic collar after making unlocking tool insert.
In above-mentioned a kind of theftproof joint of pipeline, also have annular groove three on the described outer sleeve body inwall, this annular groove three is between outer sleeve body and fittings body and be positioned at annular groove two inboards, and above-mentioned annular groove three has an inclined-plane near annular groove two sides.After unlocking tool lost efficacy above-mentioned axial limiting mechanism, elastic collar is along with fittings body slides on the outer sleeve body inwall to the inside, when sliding into annular groove three places and make that annular groove one is in position over against annular groove three, elastic collar partly is expanded in the annular groove three, with annular groove one and annular groove three axial restraints, make outer sleeve body and fittings body axial restraint on this position.Outer sleeve body equals annular groove two to the distance between the annular groove three at the stroke that moves on the fittings body.Inclined-plane on the annular groove three makes elastic collar enable to be compressed by the inclined-plane to the motion of annular groove two directions, thereby breaks away from annular groove three.
In above-mentioned a kind of theftproof joint of pipeline, described unlocking tool comprises base plate in the form of a ring and somely is distributed on the base plate and tenon groove fit, has an inclined-plane on this tenon.Above-mentioned tenon inserts respectively on the outer sleeve body end face in the groove with matching, the inclined-plane withstands on the outer side surface of elastic collar inwardly, continuous insertion along with tenon, tenon promotes elastic collar by the inclined-plane and inwardly shrinks, withdraw from annular groove two fully until elastic collar, the axial limiting mechanism between at this moment described outer sleeve body and the fittings body lost efficacy.
In above-mentioned a kind of theftproof joint of pipeline, the inner step of described outer sleeve body, the step that is somebody's turn to do is buckled in the retaining of nut along the place.Having limited nut can only unidirectionally move, and the position-limit mechanism when making locking only bears unidirectional active force, has prolonged working life.
In above-mentioned a kind of theftproof joint of pipeline, also be provided with Sealing between the convex shoulder of described fittings body and the interior edge face.Sealing can prevent effectively that meter connector and fittings body interior edge face junction point from leaking.
In above-mentioned a kind of theftproof joint of pipeline, side, place, described fittings body outer end is provided with the locating face that several clamp for spanner, described each locating face is consistent with above-mentioned groove distributing position, and the axial depth of locating face on fittings body is greater than the distance of end side surface in the annular groove one to the fittings body exterior edge face.
This locating face is to be processed to form by the means of removing material, and each locating face is identical with above-mentioned groove in the circumferential distribution angle of fittings body, and the rotation by fittings body can make locating face be right against groove like this.Between locating face and the outer sleeve body inwall certain clearance is arranged, the tenon that inserts the unlocking tool in the groove is designed to part to be extended in the above-mentioned gap, can effectively avoid because the elastic collar that the distortion of fittings body causes can not withdraw from the situation of annular groove two fully, locating face and groove are aligned just can unblank, these some people that are ignorant of this principle that make can't unblank, and have improved the anti-theft of this theftproof joint of pipeline.And this fittings body will link to each other with the pipe on the pipeline, and the workman can clamp this locating face with spanner and effectively pull fittings body, makes the locking of fittings body and pipe.
Compared with prior art, this theftproof joint of pipeline is simple in structure, and is reasonable in design, by the recursive installation and removal of special unlocking tool.Be provided with step limits in the outer sleeve body nut can only unidirectionally move, the position-limit mechanism when making locking only bears unidirectional active force, has prolonged working life.On the outer sleeve body inwall, also be provided with annular groove three, limited the shift motion of outer sleeve body, and in elastic collar is buckled in annular groove three time, the random slip of outer sleeve body when having avoided the staff to dismantle meter connector and influence working efficiency.
Description of drawings
Fig. 1 is the assembling schematic representation that theftproof joint of pipeline is in the lock state.
Fig. 2 is the assembling schematic representation that theftproof joint of pipeline is in open mode.
Fig. 3 is the theftproof joint of pipeline schematic top plan view.
Fig. 4 is the unlocking tool schematic representation.
Fig. 5 is the A-A sectional view among Fig. 4.
Among the figure, 1, outer sleeve body; 1a, step; 2, nut; 2a, retaining edge; 3, fittings body; 3a, convex shoulder; 4, unlocking tool; 4a, tenon; 4b, base plate; 5, elastic collar; 6, annular groove one; 7, annular groove two; 8, annular groove three; 9, groove; 10, Sealing; 11, locating face.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this theftproof joint of pipeline comprises outer sleeve body 1, nut 2, fittings body 3.Fittings body 3 is located in the nut 2, and outer sleeve body 1 is set in the nut 2 and fittings body 3 outsides.
Specifically, an end face inboard of nut 2 has retaining along 2a, and retaining has through hole in the middle of 2a.Fittings body 3 is located in the nut 2 in a tubular form, and an end extend out to outside the nut 2, has annular convex shoulder 3a on the fittings body 3, and retaining is buckled on this annular convex shoulder 3a along 2a, and convex shoulder 3a is positioned at nut 2 and can't breaks away from nut 2 from retaining along the 2a side.Be provided with Sealing 10 between convex shoulder 3a and fittings body 3 interior edge faces, sealing part 10 is set in fittings body 3 outsides, and Sealing 10 can prevent effectively that meter connector and fittings body 3 interior edge face junction points from leaking.Nut 2 does not keep off along the side of 2a and will be connected with the joint screw thread of gauge table when the work, and the spiral motion by screw thread withstands on meter connector across Sealing 10 on the interior edge face of fittings body 3 the sealing pipeline system closely.
Also have annular groove 38 on outer sleeve body 1 inwall, this annular groove 38 is between outer sleeve body 1 and fittings body 3 and be positioned at annular groove 27 inboards, and annular groove 38 has an inclined-plane near annular groove 27 sides.After unlocking tool 4 lost efficacy above-mentioned axial limiting mechanism, promote outer sleeve body 1, elastic collar 5 is along with fittings body 3 slides on outer sleeve body 1 inwall to the inside, when sliding into annular groove 38 places and make that annular groove 1 is in position over against annular groove 38, elastic collar 5 parts are expanded in the annular groove 38, with annular groove 1 and annular groove 38 axial restraints, make outer sleeve body 1 and fittings body 3 axial restraint on this position.Outer sleeve body 1 equals annular groove 27 to the distance between the annular groove 38 at the stroke that moves on the fittings body 3.During locking, promote outer sleeve body 1 and move outward, the inclined-plane on the annular groove 38 makes elastic collar 5 enable to be compressed by the inclined-plane to the motion of annular groove 27 directions, thereby breaks away from annular groove 38.
As shown in Figure 3, the exterior edge face of outer sleeve body 1 is provided with the jack of unblanking, and the jack of unblanking comprises 6 axial notches 9 on the exterior edge face that is arranged on outer sleeve body 1, and groove 9 is circularly and evenly distributed on outer sleeve body 1 exterior edge face, and the center of circle is on shaft axis.This distribution mode is more even to the active force of elastic collar 5 after making unlocking tool 4 insert.Groove 9 axially runs through annular groove 27 and forms cross section with annular groove 27, and groove 9 is connected with the endoporus of outer sleeve body 1, and the radial depth of this groove 9 is greater than the radial depth of annular groove 27.This groove 9 is the open cell bodies of end face and side, is buckled between the axial outer side of the outermost end of the elastic collar 5 in the annular groove 27 and groove 9 and leaves certain space.
As shown in Figure 4, this theftproof joint of pipeline also carries a unlocking tool 4, and base plate 4b and the tenon 4a that cooperates of some grooves 9 with on outer sleeve body 1 end face that is distributed on the base plate 4b that it comprises in the form of a ring as shown in Figure 5, have an inclined-plane on this tenon 4a.
Side, place, fittings body 3 outer ends is provided with the locating face 11 that several clamp for spanner, each locating face 11 is consistent with above-mentioned groove 9 distributing positions, and the axial depth of locating face 11 on fittings body 3 is greater than the distance of end side surface in the annular groove 1 to fittings body 3 exterior edge faces.
This locating face 11 is to be processed to form by the means of removing material, and the rotation by fittings body 3 can make locating face 11 be right against groove 9 places.Between locating face 11 and outer sleeve body 1 inwall certain clearance is arranged, the tenon 4a that inserts the unlocking tool 4 in the groove 9 is designed to part to be extended in the above-mentioned gap, can effectively avoid because the elastic collar 5 that the distortion of fittings body 3 causes can not withdraw from the situation of annular groove 27 fully, must make locating face 11 and groove 9 align just and can unblank, these some people that are ignorant of this principle that make can't unblank, and have improved the anti-theft of this theftproof joint of pipeline.And this fittings body 3 will link to each other with the pipe on the pipeline, and the workman can clamp this locating face 11 with spanner and effectively pull fittings body 3, makes fittings body 3 and pipe locking.
The working principle of this device is as follows, and nut 2 links together the joint and the fittings body 3 of gauge table closely.When the elastic collar in the axial limiting mechanism 5 was positioned at annular groove 1 and annular groove 27, outer sleeve body 1 and fittings body 3 axial restraints were together.At this moment this theftproof joint of pipeline is in the lock state; outer sleeve body 1 under this state, be positioned at nut 2 the outside and with fittings body 3, nut 2 and meter connector axial restraint; the user makes instruments such as spanner commonly used can't touch nut 2; thereby the meter connector of protection nut 2 inside is not arbitrarily dismantled by the user, has had antitheft function.But when needing this meter connector dismounting in some scenarios, the staff can use special unlocking tool 4 to insert in the above-mentioned jack of unblanking.Tenon 4a on the unlocking tool 4 inserts respectively in the groove 9 on outer sleeve body 1 end face with matching, the inclined-plane withstands on the outer side surface of elastic collar 5 inwardly, continuous insertion along with tenon 4a, tenon 4a promotes elastic collar 5 by the inclined-plane and inwardly shrinks, withdraw from annular groove 27 fully until elastic collar 5, at this moment the axial limiting mechanism between outer sleeve body 1 and the fittings body 3 is ineffective.As shown in Figure 2, outer sleeve body 1 can move on fittings body 3 vertically, at this moment promotes outer sleeve body 1 and can make nut 2 expose outer sleeve body 1, and the staff just can turn nut 2 with spanner, and dismounting is the joint of gauge table down.When needing to lock again, can because the outer side surface of annular groove 38 is inclined-planes,, elastic collar 5 get back to annular groove 27 places by promotion outer sleeve body 1 motion in the other direction thereby can shrinking disengaging annular groove 38 along the inclined-plane, and above-mentioned position-limit mechanism is resetted.Make this theftproof joint of pipeline with regard to recursive use in this way.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1, a kind of theftproof joint of pipeline, comprise tubular outer sleeve body (1), nut (2), fittings body in a tubular form (3), these nut (2) one end inner side surfaces have a retaining along (2a), described fittings body (3) is located in the nut (2), has annular convex shoulder (3a) on this fittings body (3), described retaining is buckled on this annular convex shoulder (3a) along (2a), described outer sleeve body (1) is set in the nut (2) and fittings body (3) outside, it is characterized in that, be provided with the position-limit mechanism that makes outer sleeve body (1) axial restraint between described outer sleeve body (1) and the fittings body (3), described outer sleeve body (1) is provided with the jack of unblanking, this theftproof joint of pipeline also has a unlocking tool (4), when this unlocking tool (4) inserts above-mentioned unblanking during jack, the position-limiting action that can remove above-mentioned position-limit mechanism can be gone up outer sleeve body (1) at fittings body (3) and is slided.
2, theftproof joint of pipeline according to claim 1 is characterized in that, described position-limit mechanism comprise elastic collar (5) and be arranged on outer sleeve body (1) and fittings body (3) on annular groove mechanism, this elastic collar (5) is positioned at above-mentioned annular groove mechanism.
3, theftproof joint of pipeline according to claim 2, it is characterized in that, described annular groove mechanism comprises and is arranged on the annular groove one (6) on fittings body (3) outer wall and is arranged on annular groove two (7) on outer sleeve body (1) inwall, this annular groove one (6) and annular groove two (7) are positioned between fittings body (3) and the outer sleeve body (1) and both positions align mutually, and described elastic collar (5) is buckled in two cell bodies.
4, theftproof joint of pipeline according to claim 3, it is characterized in that, the described jack of unblanking comprises the some axial notches (9) on the exterior edge face that is arranged on outer sleeve body (1), this groove (9) axially runs through annular groove two (7) and forms cross section with annular groove two (7), described groove (9) is connected with the endoporus of outer sleeve body (1), and the radial depth of this groove (9) is greater than the radial depth of annular groove two (7).
5, theftproof joint of pipeline according to claim 4 is characterized in that, described groove (9) is circularly and evenly distributed on outer sleeve body (1) exterior edge face, and the center of circle is on shaft axis.
6, according to claim 3 or 4 or 5 described theftproof joint of pipeline, it is characterized in that, also has annular groove three (8) on described outer sleeve body (1) inwall, this annular groove three (8) is positioned between outer sleeve body (1) and the fittings body (3) and is positioned at annular groove two (7) inboards, and above-mentioned annular groove three (8) has an inclined-plane near annular groove two (7) sides.
7, according to claim 4 or 5 described theftproof joint of pipeline, it is characterized in that, described unlocking tool (4) comprises base plate (4b) and some tenons (4a) that cooperates with groove (9) that is distributed on the base plate (4b) in the form of a ring, has an inclined-plane on this tenon (4a).
According to claim 2 or 3 or 4 or 5 described theftproof joint of pipeline, it is characterized in that 8, the inner step of described outer sleeve body (1) (1a), the step that is somebody's turn to do (1a) are buckled in the retaining of nut (2) and locate along (2a).
9, theftproof joint of pipeline according to claim 6 is characterized in that, also is provided with Sealing (10) between the convex shoulder (3a) of described fittings body (3) and the interior edge face.
10, according to claim 4 or 5 described theftproof joint of pipeline, it is characterized in that, side, place, described fittings body (3) outer end is provided with the locating face (11) that several clamp for spanner, described each locating face (11) is consistent with above-mentioned groove (9) distributing position, and the axial depth of locating face (11) on fittings body (3) is greater than the distance of end side surface in the annular groove one (6) to fittings body (3) exterior edge face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101442450A CN101629659B (en) | 2009-07-27 | 2009-07-27 | Theftproof joint of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101442450A CN101629659B (en) | 2009-07-27 | 2009-07-27 | Theftproof joint of pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101629659A true CN101629659A (en) | 2010-01-20 |
| CN101629659B CN101629659B (en) | 2012-05-23 |
Family
ID=41574878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101442450A Active CN101629659B (en) | 2009-07-27 | 2009-07-27 | Theftproof joint of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101629659B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727825A (en) * | 2020-12-23 | 2021-04-30 | 象山兴驰液压润滑有限公司 | Connecting structure of hydraulic distributor |
| CN115182914A (en) * | 2021-04-01 | 2022-10-14 | 乐清市创意影视器材有限公司 | Leg tube locking mechanism and tripod |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9300817U1 (en) * | 1993-01-22 | 1993-03-11 | Wengeler & Kalthoff Hammerwerke Gmbh & Co Kg, 5810 Witten, De | |
| DE4342854C2 (en) * | 1993-12-13 | 1998-02-19 | Keulahuette Krauschwitz Gmbh | Shear protection for a screw socket connection for pipelines of large nominal size |
| DE29918811U1 (en) * | 1999-10-26 | 2000-02-24 | Tuchenhagen Gmbh | Housing for installing measuring and control devices, especially those with inline suitability |
| KR100864057B1 (en) * | 2007-01-11 | 2008-10-16 | 김용진 | Connector for newtility type multiplex pipe with packing means for sealing |
| CN100588865C (en) * | 2007-01-24 | 2010-02-10 | 马可系统分析和发展有限公司 | Joints |
| CN201083302Y (en) * | 2007-09-04 | 2008-07-09 | 黄寅初 | Air admission quick coupling for pneumatic tool |
| CN201487434U (en) * | 2009-07-27 | 2010-05-26 | 黄陈宝 | Pipeline burglarproof joint |
-
2009
- 2009-07-27 CN CN2009101442450A patent/CN101629659B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727825A (en) * | 2020-12-23 | 2021-04-30 | 象山兴驰液压润滑有限公司 | Connecting structure of hydraulic distributor |
| CN115182914A (en) * | 2021-04-01 | 2022-10-14 | 乐清市创意影视器材有限公司 | Leg tube locking mechanism and tripod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101629659B (en) | 2012-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2436965B1 (en) | Pipe connector | |
| US8845227B2 (en) | Fastening assembly | |
| CN104373469B (en) | Shaft coupling assembly and method for coupling shafts | |
| EP2981751B1 (en) | Quick coupling device for pressurised fluid | |
| CN104006238A (en) | Flange | |
| CN201836177U (en) | Pin component | |
| CN101629659B (en) | Theftproof joint of pipeline | |
| CN201487434U (en) | Pipeline burglarproof joint | |
| CN107363772A (en) | Box socket set | |
| CN108953356B (en) | Anti-removal nut and joint assembly | |
| CN104338954A (en) | Internal positioning fixture used for tubular workpiece | |
| CN202237517U (en) | Filter flask assembly and water purifying device | |
| CN202100866U (en) | Quick connector for pipelines | |
| JP4542366B2 (en) | Pipe connection structure | |
| CN204258250U (en) | Ready-package cable joint | |
| CN110985550A (en) | Anti-loosening assembly for preventing bearing from moving | |
| CN201100291Y (en) | An axial end round pin for preventing random disassembly | |
| CN201394584Y (en) | Reverse gas nozzle core connection structure of cooler with hot rolling wire and bar materials | |
| CN201172205Y (en) | Quick-fixing chuck for electric hammer and electric hammer with the quick-fixing chuck | |
| CN207901045U (en) | A kind of Quick connector dismounting device | |
| CN207432098U (en) | Oil transfer pump stator removing tool | |
| CN202825760U (en) | Lock pin type wellhead combination tool | |
| CN106180777A (en) | Stopping device and there is the keyless drill chuck of stopping device | |
| CN104511618A (en) | Electric drill | |
| JP5275824B2 (en) | Fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YUHUAN XINQI PIPE INDUSTRY CO., LTD. Free format text: FORMER OWNER: HUANG CHENBAO Effective date: 20140320 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317604 TAIZHOU, ZHEJIANG PROVINCE TO: 318000 TAIZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140320 Address after: 318000 Pu Qing Industrial Zone, Taizhou, Zhejiang, Yuhuan County Patentee after: Yuhuan Xin Xin Pipe Industry Co.,Ltd. Address before: 317604 A2 East, Chencun garden, barley island development zone, Zhujiang Town, Zhejiang, Yuhuan County Patentee before: Huang Chenbao |
|
| CP03 | Change of name, title or address |
Address after: No. 215, Lubei Avenue, Yuhuan Economic Development Zone, Taizhou, Zhejiang 317600 Patentee after: ZHEJIANG XINQI PIPE INDUSTRY Co.,Ltd. Address before: 318000 Puqing Industrial Zone, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: Yuhuan Xin Xin Pipe Industry Co.,Ltd. |
|
| CP03 | Change of name, title or address |