CN105258754B - Anti-demolition diaphragm gas meter connector - Google Patents
Anti-demolition diaphragm gas meter connector Download PDFInfo
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- CN105258754B CN105258754B CN201510622846.3A CN201510622846A CN105258754B CN 105258754 B CN105258754 B CN 105258754B CN 201510622846 A CN201510622846 A CN 201510622846A CN 105258754 B CN105258754 B CN 105258754B
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Abstract
The invention discloses a kind of anti-demolition diaphragm gas meter connectors, including taking over (1), nut neck bush (18), tamper housing (5), tamper block (2), tamper magnet (19) and limit magnet (8) made of non-magnet material, limit magnet (8) is slidably connected in the top of tamper housing (5), in tamper block (2) and above limit magnet (8), tamper block (2) is threaded on tamper housing (5) for tamper magnet (19) interlocking；Described nut neck bush (18) top is equipped with the limit hole (10) for accommodating limit magnet (8) being connect with limit magnet (8) when limiting magnet (8) and being snapped down to lowermost position.After using the above structure, this connector can play the function of Anti-dismantling and under the premise of not destroying tamper housing, reuse this connector, substantially reduce use cost.
Description
Technical field
The present invention relates to the technical fields of gas meter, flow meter, are especially a kind of anti-demolition diaphragm gas meter connector.
Background technology
A kind of sealing valve of the gas meter connector as connecting pipe class, connect with gas meter box to reach sealing electricity box
The connection class valve of counting.Currently, conventional gas meter connector is made of connecting tube, attaching nut and seal washer, pass through company
The internal thread of connected nut, which screws connecting tube, to be connected on gas meter, flow meter.The gas meter connector of this structure can be pulled by general
The random dismounting nut of hand, can only play single connection function, cannot play anti-theft function, usually cause leakage combustion gas and robber
The surreptitiously generation of combustion gas phenomenon, to gas supply, enterprise brings loss.Therefore, occur the gas meter connector of Anti-dismantling in the prior art,
Such as " gas meter connector " patent of disclosed Publication No. CN202676227U on State Intellectual Property Office website, it includes connection
Pipe and nut, nut are rotatably coupled to the lower end of connecting tube, and the lower face of connecting tube is equipped with sealing ring, connecting tube it is upper
End is equipped with external screw thread, wherein nut includes jacket and inner sleeve, and housing is sleeved on the outside of inner sleeve, and inner sleeve lower end is equipped with internal thread, interior
It puts on and gradually increased along the direction that screws of internal thread to multiple inclined plane grooves, the depth of each inclined plane groove is evenly equipped with end face last week
Add, the upper surface of outer casing inner wall was equipped with the multiple and matched inclined-plane boss of inclined plane groove, the height of each inclined-plane boss last week
Degree is gradually increased along the direction that screws of internal thread, and inner sleeve upper surface is equipped with the magnet for housing to be sucked.For another example State Intellectual
" antitheft and anti-demolition diaphragm gas meter corrugated pipe connector " patent of disclosed Publication No. CN101592276B on property right board web, it is wrapped
It includes bellows, take over, nut set, clamp spring circle, gasket, shell and plain cushion.The shell inner cavity installs nut set, between the two
Equipped with annular groove, simultaneously installation card spring coil makees axial limiting, and end face is combined to be equipped with wedge-shaped groove structure between the two, and composition screws connection
Dynamic structure.Described take over constitutes bearing arrangement with exterior ring cap, steel ball and pipe sleeve, takes over left and right end face and is mutually parallel.It takes over
It is installed in nut set endoporus, suit gasket, the right nozzle exposed from shell are connect with sylphon seal on left tube wall.Again
Such as " anti-demolition diaphragm gas meter connector " patent of disclosed Publication No. CN 203396438U on State Intellectual Property Office website, it
Including connecting tube and nut, nut is rotatably coupled to the lower end of connecting tube, and the lower face of connecting tube is equipped with sealing ring, even
The upper end taken over is equipped with external screw thread, wherein nut includes jacket and inner sleeve, and housing is sleeved on the outside of inner sleeve, on the inner cavity of inner sleeve
Equipped with internal thread, the periphery wall of inner sleeve is equipped with annular groove, is evenly equipped on the periphery wall of the inner sleeve in annular groove more
A slot is evenly equipped with multiple inclined plane grooves on the internal perisporium of housing, inserts that there are one bending elasticity at a right angle in each slot
The other end of steel disc, elastic steel sheet is withstood in inclined plane groove, and the periphery wall lower part of inner sleeve is equipped with first annular card slot, first annular
Card has clamp spring, the internal perisporium lower part of housing to be equipped with the second annular slot corresponding with first annular card slot in card slot, and clamp spring is same
When be located at the second annular slot in.
But the anti-demolition diaphragm gas meter connector of these above-mentioned structures has the drawback that：
1) for the gas meter connector of the first structure, when connecting tube is tightened on gas meter, flow meter by nut, rotation
Housing, under the action of magnet suction, inclined-plane boss can be stuck on interior set in inclined plane groove on outer set, to drive inner sleeve
It is tightened on gas meter, flow meter, when opposite direction rotary sleeve again, inclined-plane boss can be from the inclined plane groove on interior set on outer set
It inside skids off, to inner sleeve be driven to rotate, in other words, by rotating the nut housing on gas meter connector only connection
Pipe is tightened on gas meter, flow meter, and connecting tube can not be spun down again, therefore, when need connector is removed when, it is necessary to first have to by
Nut housing is caught broken, and can just remove connector in this way, so, the entire not reproducible utilization of connector virtually increases use cost；
2) uniformly distributed wedge-shaped groove structure on the combination end face covered for the gas meter connector of second of structure, shell and nut,
And take over end face and nut set end face between be rolling structure, connector installation can only unidirectional tightened-up, cannot unscrew, that is to say, that
Except destructive dismounting can not be freely disassembled after installation；The problem of equally existing is when needing connector to remove, it is necessary to be first had to
Shell is caught broken, can just remove connector in this way, so, the entire not reproducible utilization of connector virtually increases use cost；
3) for the gas meter connector of the third structure, when connecting tube is tightened on gas meter, flow meter by nut, rotation
Housing can drive inner sleeve to be tightened on gas meter, flow meter by elastic steel sheet, when opposite direction rotary sleeve again, elastic steel sheet
It will produce and deform and skidded off out of inclined plane groove on outer set, to inner sleeve be driven to rotate, in other words, by rotating this
Nut housing on invention anti-demolition diaphragm gas meter connector is only tightened on connecting tube on gas meter, flow meter, and cannot again connecting tube from
It is spun down on gas meter, flow meter；The problem of equally existing is when needing connector to remove, it is necessary to it first has to nut housing being caught broken, this
Sample can just remove connector, so, the entire not reproducible utilization of connector virtually increases use cost.
In conclusion anti-demolition diaphragm gas meter connector common problem is in the prior art, although being provided with Anti-dismantling
Function, still, needed once removing connector carry out destructive procedure, to cause cost to increase.
Invention content
Can prevent from dismantling in off working state the technical problem to be solved by the invention is to provide one kind but
Ensure the anti-demolition diaphragm gas meter connector for connector being removed using specific purpose tool in the case of not destroying part when working condition.
In order to solve the above technical problems, anti-demolition diaphragm gas meter connector provided by the invention, including take over, nut neck bush and
Tamper housing, nut neck bush are rotatably connected on the lower end taken over, and tamper housing is socketed in outside nut neck bush；The tamper
It further includes tamper block, tamper magnet made of non-magnet material and limit magnet to unload gas meter connector, and limit magnet sliding connects
It is connected in the top of tamper housing, the interlocking of tamper magnet is in tamper block and above limit magnet, anti-decomposing lid cap thread
It is connected to outside tamper and puts on；The nut neck bush top, which is equipped with, to be connected when limiting magnet and being snapped down to lowermost position with limit magnet
The limit hole for accommodating limit magnet connect.
There is boss, limit magnet to be slidably connected in boss, tamper block is fixedly connected at the top of the tamper housing
On the top of boss.
The boss is two arc boss, is symmetrically arranged at the both sides taken over, the arc both ends of each boss
It is all provided with there are one limit hole, the boss between two limit holes is equipped with threaded hole；Corresponding tamper block quantity is and boss
An accommodating blind hole is rabbeted at matched two of shape, the arc both ends on the inside of each tamper block, and each accommodating blind hole is embedding
Connect a tamper magnet, the tamper block between two accommodating blind holes is equipped with unthreaded hole for being fixed by socket screw, boss with
It is fixedly connected by fixing screws between tamper block.
The limit magnet, which is slidably connected in boss, refers to, axial stepped hole, and stepped hole are equipped in boss
Larger diameter end upward, the axial cross section for limiting magnet is T-shaped, limit magnet stub end and stepped hole enlarged diameter section slide
The reduced diameter section of cooperation, small head end and stepped hole is slidably matched.
The limit magnet is maintained at the upper end of tamper housing by elastic support structure, which includes
The T shape step surfaces of spring, the spring upper end and limit magnet push against, and the step surface of lower end and stepped hole pushes against.
Close-fitting has capping, the upper surface of capping to be flushed with raised head face at the stepped hole aperture of the raised head face, under
End face and the upper surface of limit magnet offset or disengage.
Axial limiting device is equipped between the tamper housing and nut neck bush.
The limiting device includes elastic collar, and the madial wall of tamper housing lower end is equipped with ring-shaped groove, spiral shell
The lateral wall of cap neck bush lower end is equipped with annular slot, and the elastic collar is in the polygon of open loop situations, elastic collar
A part be located in the ring-shaped groove of tamper housing, another part is located in the annular slot of nut neck bush.
The lateral wall of the nut neck bush lower end is the annular shaft shoulder, and annular slot is located at the outer circle wall of the annular shaft shoulder
On, and the step surface of the annular shaft shoulder is the conical surface.
The annular slot of the nut neck bush lower end is located at socket in annular slot when other than tamper housing lower face
Prevent tamper housing from being padded with fixed made of the plastics on nut neck bush directly clamping before being useful for assembly.
After using the above structure, compared with prior art, the present invention having the following advantages that：
1) after since block will be protected to be connect with tamper housing together with the tamper magnet in it, limit magnet is in tamper magnet
Under the action of be adsorbed on tamper magnet, the limit hole limited at this time on magnet and nut neck bush disengages, in this way, outside connector
From the point of view of face, how careless tamper housing rotates, and only can cause to generate slipping phenomenon between tamper housing and nut neck bush, to
Play the effect of tamper；Meanwhile after tamper block removes, by lower limit magnet, limit magnet is made to be located on nut neck bush
Limit hole in after, limit magnet simultaneously be connected to tamper housing and nut neck bush, at this point, rotation tamper housing can drive
Nut neck bush rotates together, to remove entire gas meter connector；Therefore, this connector can play Anti-dismantling function and
It can reuse this connector under the premise of not destroying tamper housing, substantially reduce use cost；
2) it has been symmetrical arranged two arc boss on the upper surface of tamper housing, has on the one hand saved the material of tamper housing
On the other hand the material cost of cost and tamper block makes processing more convenient；
3) on the one hand the setting of elastic collar utilizes the elasticity of elastic collar, playing makes tamper housing and nut liner
On the other hand axial limiting effect between set also makes structure and processing simpler, only need to process twice annular groove；
Also, the setting that the step surface of the annular shaft shoulder is the conical surface, during so that tamper housing is pushed, elastic collar can pass through the conical surface
Force is slowly expanded, until restoring to the original state after reaching in annular slot.
Description of the drawings
Fig. 1 is dimensional structure diagram when anti-demolition diaphragm gas meter connector of the present invention is not used.
Fig. 2 is schematic cross-sectional view when anti-demolition diaphragm gas meter connector of the present invention is not used.
Fig. 3 is schematic cross-sectional view when anti-demolition diaphragm gas meter connector of the present invention uses.
Fig. 4 is the structural schematic diagram of tamper housing in the present invention.
Fig. 5 is the structural schematic diagram of tamper block in the present invention.
Fig. 6 is the structural schematic diagram at A-A in Fig. 3.
Wherein：1, it takes over；2, tamper block；3, fixing screws；4, boss；5, tamper housing；6, fixed pad；7, it covers；
8, magnet is limited；9, spring；10, limit hole；11, gasket；12, elastic collar；13, the conical surface；14, stepped hole；15, annular ditch
Slot；16, the annular shaft shoulder；17, annular slot；18, nut neck bush；19, tamper magnet；20, threaded hole；21, blind hole is housed.
Specific implementation mode
Present invention will be explained in further detail with reference to the accompanying drawings and detailed description.
By the structural schematic diagram of Fig. 1~anti-demolition diaphragm gas meter connector of the present invention shown in fig. 6 it is found that it includes take over 1, spiral shell
Cap neck bush 18 and tamper housing 5, nut neck bush 18 are rotatably connected on the lower end of take over 1, and tamper housing 5 is socketed in nut
Outside bushing 18.The anti-demolition diaphragm gas meter connector further includes tamper block 2, tamper magnet 19 made of non-magnet material and limit
Position magnet 8, limit magnet 8 are slidably connected in the top of tamper housing 5, and the interlocking of tamper magnet 19 is in the interior simultaneously position of tamper block 2
Above limit magnet 8, tamper block 2 is threaded on tamper housing 5.18 top of nut neck bush is equipped with when limit
The limit hole 10 for accommodating limit magnet 8 being connect with limit magnet 8 when position magnet 8 is snapped down to lowermost position.
There is boss 4, limit magnet 8 to be slidably connected in boss 4 at 5 top of tamper housing, and tamper block 2 is fixed
It is connected to the top of boss 4.
The boss 4 is two arc boss, is symmetrically arranged at the both sides of take over 1, the arc two of each boss 4
Limit hole 10 there are one being all provided with is held, the boss 4 between two limit holes 10 is equipped with threaded hole 20.Corresponding tamper block 2 counts
Amount is matched two with 4 shape of boss, and an accommodating blind hole 21 is rabbeted at the arc both ends of 2 inside of each tamper block,
Each accommodating blind hole 21 rabbets a tamper magnet 19, and the tamper block 2 between two accommodating blind holes 21 is equipped with for being socketed
The unthreaded hole of fixing screws 3 is fixedly connected between boss 4 and tamper block 2 by fixing screws 3.
The limit magnet 8, which is slidably connected in boss 4, refers to, axial stepped hole 14, and platform are equipped in boss 4
Upward, the axial cross section for limiting magnet 8 is T-shaped for the larger diameter end in rank hole 14, limits the big of stub end and the stepped hole 14 of magnet 8
Diameter segment is slidably matched, and the reduced diameter section of small head end and stepped hole 14 is slidably matched.
The limit magnet 8 is maintained at the upper end of tamper housing 5, the elastic support structure packet by elastic support structure
Spring 9 is included, 9 upper end of spring and the T shape step surfaces of limit magnet 8 push against, and lower end and the step surface of stepped hole 14 push against.
Close-fitting has capping 7 at 14 aperture of stepped hole of 4 end face of boss, cover 7 upper surface and 4 end face of boss it is neat
Flat, lower face and the upper surface of limit magnet 8 offset or disengage.
Axial limiting device is equipped between the tamper housing 5 and nut neck bush 18.
The limiting device includes elastic collar 12, and the madial wall of 5 lower end of tamper housing is equipped with ring-shaped groove
15, the lateral wall of 18 lower end of nut neck bush is equipped with annular slot 17, and the elastic collar 12 is polygon in open loop situations
A part for shape, elastic collar 12 is located in the ring-shaped groove 15 of tamper housing 5, and another part is located at nut neck bush 18
In annular slot 17.
The lateral wall of 18 lower end of nut neck bush is the annular shaft shoulder 16, and annular slot 17 is located at the annular shaft shoulder 16
On outer circle wall, and the step surface of the annular shaft shoulder 16 is the conical surface 13.
The annular slot 17 of 18 lower end of nut neck bush is located at annular slot 17 when other than 5 lower face of tamper housing
It is inside socketed with for preventing tamper housing 5 from fixing pad 6 with made of the plastics on nut neck bush 18 directly clamping before assembly.
In addition, as shown in figs. 1 and 4, tamper housing 5 is equivalent to be made of three parts, is followed successively by boss from top to bottom
Section, force application location section and linkage section.Wherein force application location section is that spanner puts forth effort position when mounting and dismounting connector, in order to
Coordinate with spanner, the periphery wall of force application location section usually herein is regular polygon, such as regular quadrangle, regular hexagon, positive eight side
Shape, etc., shown in figure is octagon.In addition, the linkage section of 5 lower end of tamper housing is to pass through bullet with nut neck bush 18
Property retainer ring 12 be clamped linkage section, periphery wall be circle.
The course of work of the present invention is as follows：When this connector, which is not installed with gas meter, flow meter, to be connected, the card of pad 6 is fixed made of plastics
It is connected in the annular slot 17 of 18 lower end of nut neck bush, is moved down to block tamper housing 5；When this connector and gas meter, flow meter are installed
When connection, fixed pad 6 is taken away, pushes tamper housing 5, annular slot is slid into after so that elastic collar 12 is gradually expanded along the conical surface
It restPoses again in 17, nut neck bush 18 and tamper housing 5, which are connected together and not will produce, at this time slides axially.
When gas meter connector normal use, tamper block 2 is fixedly connected on by fixing screws 3 and the boss 4 at 5 top of tamper housing
What the tamper magnet 19 together, and on the inside of tamper block 2 rabbeted was not externally visible, it adsorbs limit magnet 8, together
When limit magnet 8 also jacked up upwards under the action of spring 9, prevent limit magnet 8 from the limit hole on nut neck bush 18
10 grafting, at this point, generating skidding between tamper housing 5 and nut neck bush 18, how careless tamper housing 5 rotates, all cannot
It drives nut neck bush 18 to rotate, therefore, plays the role of tamper.When needing entirely to remove connector, need to only back-out solid
Determine screw 3, tamper block 2 and tamper magnet 19 taken away, then the capping 7 on boss 4 is taken down, down pressing limit magnet 8,
8 lower end of limit magnet is set to be inserted into the limit hole 10 of nut neck bush 18 while rotating tamper housing 5, at this time tamper housing 5
It is linked together with nut neck bush 18 by limiting magnet 8, then rotates tamper housing 5, nut neck bush 18 1 can be driven
Rotation is played, to remove this connector from gas meter, flow meter.
The above is only preferably feasible implementation example of the invention, cannot therefore be the interest field for limiting to the present invention,
For those skilled in the art, other all made with technical scheme of the present invention and technical concept are various corresponding
Change should all belong within the protection domain of the claims in the present invention.
Claims (10)
1. a kind of anti-demolition diaphragm gas meter connector, including take over (1), nut neck bush (18) and tamper housing (5), nut neck bush
(18) it is rotatably connected on the lower end for taking over (1), tamper housing (5) is socketed in nut neck bush (18) outside；It is characterized in that：It is described
Anti-demolition diaphragm gas meter connector further include tamper block (2), tamper magnet (19) made of non-magnet material and limit magnet
(8), limit magnet (8) is slidably connected in the top of tamper housing (5), and tamper magnet (19) interlocking is in tamper block (2)
And above limit magnet (8), tamper block (2) is threaded on tamper housing (5)；The nut neck bush (18)
Top is equipped with the limit for accommodating limit magnet (8) being connect with limit magnet (8) when limiting magnet (8) and being snapped down to lowermost position
Position hole (10).
2. anti-demolition diaphragm gas meter connector according to claim 1, it is characterised in that：Tool at the top of the tamper housing (5)
There are boss (4), limit magnet (8) to be slidably connected in boss (4), tamper block (2) is fixedly connected on the top of boss (4).
3. anti-demolition diaphragm gas meter connector according to claim 2, it is characterised in that：The boss (4) is two arcs
Boss, is symmetrically arranged at the both sides for taking over (1), and the arc both ends of each boss (4) are all provided with there are one limit hole (10), and two
Boss (4) between a limit hole (10) is equipped with threaded hole (20)；Corresponding tamper block (2) quantity is and boss (4) shape
An accommodating blind hole (21) is rabbeted at matched two of shape, the arc both ends on the inside of each tamper block (2), is each housed blind
A tamper magnet (19) is rabbeted in hole (21), and the tamper block (2) between two accommodating blind holes (21) is equipped with solid for being socketed
Determine the unthreaded hole of screw (3), is fixedly connected by fixing screws (3) between boss (4) and tamper block (2).
4. anti-demolition diaphragm gas meter connector according to claim 2, it is characterised in that：Limit magnet (8) sliding connects
It is connected in boss (4) and refers to, axial stepped hole (14) is equipped in boss (4), and the larger diameter end of stepped hole (14) is upward,
The axial cross section for limiting magnet (8) is T-shaped, and the enlarged diameter section of the stub end and stepped hole (14) of limit magnet (8) is slidably matched,
Small head end and the reduced diameter section of stepped hole (14) are slidably matched.
5. anti-demolition diaphragm gas meter connector according to claim 4, it is characterised in that：The limit magnet (8) passes through bullet
Property support construction is maintained at the upper end of tamper housing (5), which includes spring (9), the spring (9) upper end
It is pushed against with the T shape step surfaces of limit magnet (8), lower end and the step surface of stepped hole (14) push against.
6. anti-demolition diaphragm gas meter connector according to claim 3, it is characterised in that：The step of described boss (4) end face
Close-fitting has capping (7) at hole (14) aperture, covers upper surface and boss (4) end face of (7), lower face and limit magnet
(8) upper surface offsets or disengages.
7. anti-demolition diaphragm gas meter connector according to claim 1, it is characterised in that：The tamper housing (5) and nut
Axial limiting device is equipped between neck bush (18).
8. anti-demolition diaphragm gas meter connector according to claim 7, it is characterised in that：The limiting device includes elastic card
It encloses (12), the madial wall of tamper housing (5) lower end is equipped with ring-shaped groove (15), the outside of nut neck bush (18) lower end
Wall be equipped with annular slot (17), the elastic collar (12) be in open loop situations polygon, one of elastic collar (12)
Divide in the ring-shaped groove (15) of tamper housing (5), another part is located at the annular slot (17) of nut neck bush (18)
It is interior.
9. anti-demolition diaphragm gas meter connector according to claim 8, it is characterised in that：Described nut neck bush (18) lower end
Lateral wall be the annular shaft shoulder (16), annular slot (17) is located on the outer circle wall of the annular shaft shoulder (16), and the annular shaft shoulder
(16) step surface is the conical surface (13).
10. anti-demolition diaphragm gas meter connector according to claim 8, it is characterised in that：Under the nut neck bush (18)
It is socketed in annular slot (17) when the annular slot (17) at end is located at other than tamper housing (5) lower face for being prevented before assembling
Fixed pad (6) made of the plastics that tamper housing (5) is directly clamped with nut neck bush (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622846.3A CN105258754B (en) | 2015-09-28 | 2015-09-28 | Anti-demolition diaphragm gas meter connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622846.3A CN105258754B (en) | 2015-09-28 | 2015-09-28 | Anti-demolition diaphragm gas meter connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105258754A CN105258754A (en) | 2016-01-20 |
| CN105258754B true CN105258754B (en) | 2018-08-24 |
Family
ID=55098533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510622846.3A Active CN105258754B (en) | 2015-09-28 | 2015-09-28 | Anti-demolition diaphragm gas meter connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105258754B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790200A (en) * | 2021-09-16 | 2021-12-14 | 宁波忻杰燃气用具实业有限公司 | Safe type anti-disassembly external member |
| CN116818035B (en) * | 2023-08-29 | 2023-11-21 | 山东晨硕仪表有限公司 | Quick detach formula water gauge of convenient maintenance |
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| FR2892492A1 (en) * | 2005-10-25 | 2007-04-27 | Gaz De France | Valve and corrugated stainless steel tube or pipe e.g. gas pipe, connection securing device for fluid circuit, has valve connector element with housing receiving magnetic pistons, and keys releasing pistons from housing |
| CN101592276A (en) * | 2009-07-07 | 2009-12-02 | 周阳 | Anti-theft and anti-disassembly corrugated pipe joint of gas meter |
| CN201697680U (en) * | 2010-06-25 | 2011-01-05 | 浙江盾安阀门有限公司 | Anti-theft meter connector and special unlocking tool thereof |
| CN202075003U (en) * | 2011-05-10 | 2011-12-14 | 宁波志清实业有限公司 | Anti-theft gauge joint |
| CN202676227U (en) * | 2012-07-04 | 2013-01-16 | 宁波忻杰燃气用具实业有限公司 | Fuel metal joint |
| CN203396438U (en) * | 2013-07-10 | 2014-01-15 | 宁波忻杰燃气用具实业有限公司 | Dismounting preventing gas meter connector |
| CN204988411U (en) * | 2015-09-28 | 2016-01-20 | 宁波忻杰燃气用具实业有限公司 | Dismounting preventing gas meter connector |
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- 2015-09-28 CN CN201510622846.3A patent/CN105258754B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2892492A1 (en) * | 2005-10-25 | 2007-04-27 | Gaz De France | Valve and corrugated stainless steel tube or pipe e.g. gas pipe, connection securing device for fluid circuit, has valve connector element with housing receiving magnetic pistons, and keys releasing pistons from housing |
| CN2869799Y (en) * | 2005-11-14 | 2007-02-14 | 宁波忻杰燃气用具实业有限公司 | Disposable anti-theft meter joint |
| CN101592276A (en) * | 2009-07-07 | 2009-12-02 | 周阳 | Anti-theft and anti-disassembly corrugated pipe joint of gas meter |
| CN201697680U (en) * | 2010-06-25 | 2011-01-05 | 浙江盾安阀门有限公司 | Anti-theft meter connector and special unlocking tool thereof |
| CN202075003U (en) * | 2011-05-10 | 2011-12-14 | 宁波志清实业有限公司 | Anti-theft gauge joint |
| CN202676227U (en) * | 2012-07-04 | 2013-01-16 | 宁波忻杰燃气用具实业有限公司 | Fuel metal joint |
| CN203396438U (en) * | 2013-07-10 | 2014-01-15 | 宁波忻杰燃气用具实业有限公司 | Dismounting preventing gas meter connector |
| CN204988411U (en) * | 2015-09-28 | 2016-01-20 | 宁波忻杰燃气用具实业有限公司 | Dismounting preventing gas meter connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105258754A (en) | 2016-01-20 |
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Address after: Lianfeng Industrial Zone Haishu District Shiqi street 315154 Zhejiang city of Ningbo Province Applicant after: Ningbo Xinjie Gas Appliance Industrial Co., Ltd. Address before: Lianfeng Yinzhou District Industrial Zone Shiqi street 315154 Zhejiang city of Ningbo Province Applicant before: Ningbo Xinjie Gas Appliance Industrial Co., Ltd. |
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