CN205678350U - A kind of three cowlings - Google Patents
A kind of three cowlings Download PDFInfo
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- CN205678350U CN205678350U CN201620599012.5U CN201620599012U CN205678350U CN 205678350 U CN205678350 U CN 205678350U CN 201620599012 U CN201620599012 U CN 201620599012U CN 205678350 U CN205678350 U CN 205678350U
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- cowlings
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Abstract
The utility model discloses a kind of three cowlings, including cap body body；Being positioned at the top of cap body body be provided with cross bar-shaped trough and be positioned at the center of cross bar-shaped trough and be provided with blind round hole, blind round hole is connected with cross bar-shaped trough；The bottom of the cross bar-shaped trough being positioned on cap body body is additionally provided with shrinkproof pit hole；It is additionally provided with a plurality of anti-slip veins on the circumferencial direction of the lateral wall being positioned at cap body body.Three cowlings that the utility model provides, overcome the correlation technique defects such as traditional three cowling attachment structure instability, poor air-tightness, fluid tight difference；Meanwhile, three cowlings that the utility model embodiment provides have that the scope of being suitable for is wide, it is reliable and stable with the attachment structure of three-way connection, security is higher, the many technical advantages of good seal performance (can prevent leakage) etc..
Description
Technical field
The utility model relates to technical field of medical instruments, especially relates to a kind of three cowlings.
Background technology
It is known that Medical tee joint pipe (i.e. including threeway and the tubular structure of three cowlings) is at present in clinical position
Use more universal；Three-way pipe is used in the medical care precess such as venous transfusion and pressure monitoring in most cases, in real work
It is also used for other medical treatment, NP (for example: splanchnocoel punctures application etc., no longer repeats this one by one) by us.
It will be apparent that three cowlings are mainly screwed in threeway, on the one hand, three cowlings may be used for implementing to screw button to threeway
The existing sealing sealing process to threeway of consolidation, it is to avoid bacterium enters threeway；On the other hand, three cowlings also can be dismantled from threeway
The operations such as venting can be carried out after getting off.
But, the three most structures of cowling being frequently used in current conventional art are relatively simple, and defect is more；Tradition threeway
Cap is typically all simple cap body body, and the inwall of cap body body itself is provided with full thread, its cap body body of three cowlings
Internal thread and three-way connection (i.e. threeway be mainly connected by three-way connection on three directions constitute) are implemented threaded；Very aobvious
So, traditional three cowlings are difficult to alignment when being screwed on three-way connection, it has not been convenient to tighten；Simultaneously traditional three cowlings and three-way connection
Attachment structure is unstable, and reliability and security are poor, and sealing effectiveness is bad, easily causes the problems such as leakage.
Therefore, the above-mentioned technological deficiency how overcoming traditional three cowlings is those skilled in the art's problem demanding prompt solutions.
Utility model content
The utility model provides a kind of three cowlings, in order to solve above-mentioned technical problem.
The utility model be the technical scheme is that by solving the problems referred to above
The utility model provides a kind of three cowlings, including cap body body；
The top being positioned at described cap body body is provided with cross bar-shaped trough；The center being positioned at described cross bar-shaped trough is arranged
Having blind round hole, described blind round hole is connected with described cross bar-shaped trough；
The bottom of the described cross bar-shaped trough being positioned on described cap body body is additionally provided with shrinkproof pit hole；And described shrinkproof hole
Hole is blind hole；There is gap between the blind hole outer wall of described shrinkproof pit hole and the inwall of described cap body body, described gap is used for
The tube wall of embedded three-way connection；It is provided with external screw thread outside the tube wall of described three-way connection；Set on the inwall of described cap body body
Being equipped with internal thread, the internal thread of described cap body body and the external screw thread on the tube wall of described three-way connection are connected；
It is additionally provided with a plurality of anti-slip veins on the circumferencial direction of the lateral wall being positioned at described cap body body.
Preferably, as a kind of embodiment；Described shrinkproof pit hole is the blind hole of truncated conical shape.
Preferably, as a kind of embodiment；The bottom of described shrinkproof pit hole protrudes from the bottom of described cap body body
Outer.
Preferably, as a kind of embodiment；A plurality of anti-slip veins is along the vertical direction of described cap body outer body wall
On be arranged in order distribution arrange.
Preferably, as a kind of embodiment；Between a plurality of anti-slip veins, spacing is equal, and uniform intervals arranged distribution is arranged
On the lateral wall of described cap body body；
Preferably, as a kind of embodiment；Described anti-slip veins is specially anti-skidding dimpled grain.
Preferably, as a kind of embodiment；Described anti-slip veins is specially anti-skidding burr.
Preferably, as a kind of embodiment；The blind hole outer wall of described shrinkproof pit hole and the inwall of described cap body body
Between gap in be additionally provided with annular seal circle.
Preferably, as a kind of embodiment；The outside dimension of described annular seal circle and the width in described gap
Size adapts.
Preferably, as a kind of embodiment；Described annular seal circle is medical silica-gel sealing ring or medical grade rubber
Sealing ring.
Compared with prior art, the advantage of the utility model embodiment is:
One three cowling that the utility model provides, mainly by cap body body and be arranged on being positioned at of cap body bodies top
The top of described cap body body is provided with cross bar-shaped trough, the shrinkproof pit hole being arranged on cross bar shaped trench bottom and is arranged on institute
The structure contextures such as a plurality of anti-slip veins stating the lateral wall of cap body body.
There is gap between the blind hole outer wall of described shrinkproof pit hole and the inwall of described cap body body, described gap is used for embedding
Enter the tube wall of three-way connection；It is provided with external screw thread outside the tube wall of described three-way connection；Arrange on the inwall of described cap body body
Having internal thread, the internal thread of described cap body body and the external screw thread on the tube wall of described three-way connection are connected；It is positioned at described
It is additionally provided with a plurality of anti-slip veins on the circumferencial direction of the lateral wall of cap body body.
Overcome traditional three cowling attachment structures by three cowlings that the structure of above-mentioned innovation designs unstable, airtight
The property correlation technique defect such as difference, fluid tight difference；Meanwhile, three cowlings that the utility model embodiment provides have the scope of being suitable for
Extensively, its attachment structure with three-way connection is reliable and stable, security is higher, good seal performance (can prevent leakage) and being conducive to
Semi-automatic positioning and screw etc. many technical advantages.
Brief description
In order to be illustrated more clearly that the utility model detailed description of the invention or technical scheme of the prior art, below by right
In detailed description of the invention or description of the prior art, the accompanying drawing of required use is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawing can also be obtained according to these accompanying drawings.
The front view structure schematic diagram of three cowlings that Fig. 1 provides for the utility model embodiment；
The plan structure schematic diagram of three cowlings that Fig. 2 provides for the utility model embodiment；
The perspective view of three cowlings that Fig. 3 provides for the utility model embodiment；
The sectional structure schematic diagram of three cowlings that Fig. 4 provides for the utility model embodiment；
Assembling structural representation between three cowlings that Fig. 5 provides for the utility model embodiment and three-way connection；
Reference:
Cap body body 1；
Cross bar-shaped trough 2；
Blind round hole 3；
Shrinkproof pit hole 4；
Gap 5；
Anti-slip veins 6；
Three-way connection A.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of not making creative work, broadly falls into this practicality
Novel protected scope.
In of the present utility model description, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", orientation or the position relationship of the instruction such as " level ", " interior ", " outward " is based on orientation shown in the drawings or position relationship, is only
Describe for the ease of describing the utility model and simplification, rather than device or the element of instruction or hint indication must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicate or hint relative importance.
In of the present utility model description, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixing connect, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning in the utility model for the language.
Below by specific embodiment and combine accompanying drawing the utility model is described in further detail.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, one three cowling that the utility model embodiment provides, including cap body body 1；
The top being positioned at described cap body body 1 is provided with cross bar-shaped trough 2；It is positioned at the center of described cross bar-shaped trough 2
Being provided with blind round hole 3, described blind round hole 3 is connected with described cross bar-shaped trough 2；
The bottom of the described cross bar-shaped trough being positioned on described cap body body 1 is additionally provided with shrinkproof pit hole 4；And it is described shrinkproof
Pit hole 4 is blind hole；There is gap 5 between the blind hole outer wall of described shrinkproof pit hole 4 and the inwall of described cap body body 1, described between
Gap 5 is for embedding the tube wall of three-way connection A；It is provided with external screw thread outside the tube wall of described three-way connection A；Described cap body body 1
Inwall on be provided with internal thread, the internal thread of described cap body body 1 coordinates with the external screw thread on the tube wall of described three-way connection A
Connect (see also installation diagram illustrated in Figure 5)；
It is additionally provided with a plurality of anti-slip veins 6 on the circumferencial direction of the lateral wall being positioned at described cap body body 1.
It should be noted that this blind round hole is advantageously in playing positioning action to machine to three cowlings are central axial,
Meanwhile, coordinate cross bar-shaped trough to be more beneficial for being mechanically inserted, automatically implement to screw to three cowlings and tighten (i.e. beneficially machine automatization
Screw).
The primary structure analyzing above-mentioned three cowlings understands: this three cowling is mainly by cap body body, cross bar-shaped trough, shrinkproof hole
The structure contexture such as hole and a plurality of anti-slip veins of lateral wall being arranged on cap body body.
There is gap between the blind hole outer wall of described shrinkproof pit hole and the inwall of described cap body body, described gap is used for embedding
Enter the tube wall of three-way connection；It is provided with external screw thread outside the tube wall of described three-way connection；Arrange on the inwall of described cap body body
Having internal thread, the internal thread of described cap body body and the external screw thread on the tube wall of described three-way connection are connected；It is positioned at described
It is additionally provided with a plurality of anti-slip veins on the circumferencial direction of the lateral wall of cap body body.
Overcome traditional three cowling attachment structures by three cowlings that the structure of above-mentioned innovation designs unstable, airtight
The property correlation technique defect such as difference, fluid tight difference；Meanwhile, three cowlings that the utility model embodiment provides have the scope of being suitable for
Extensively, its attachment structure with three-way connection is reliable and stable, security is higher, the many skills of good seal performance (can prevent leakage) etc.
Art advantage.
Above-mentioned three cowlings that the utility model embodiment provides, have employed the structure design of cross bar-shaped trough；This cross-bar
Shape well width and degree of depth size according to actual needs is designed；What above-mentioned three cowling maximum limit were fixed ensure that the tight of three-way connection
Solidity and sealing property, it is to avoid it is polluted by the bacterium in environment, germ etc., it is ensured that medical and health conditions and quiet
The safety and reliability of arteries and veins injection.
It should be noted that above-mentioned cross bar-shaped trough can also be replaced by other similar techniques construction, such as cap
Body bodies top replaces the design of cross bar-shaped trough by flat recess, interior six footpath mounting grooves etc., not another to this utility model
One repeats.
Below the concrete structure and concrete technique effect of three cowlings that the utility model embodiment provides is done detailed
Describe in detail bright:
Concrete technology contents with regard to shrinkproof pit hole understands:
Preferably, as a kind of embodiment；The blind hole outer wall of described shrinkproof pit hole 4 is interior with described cap body body 1
There is gap 5 between wall, described gap 5 is for embedding the tube wall of three-way connection A；
Preferably, as a kind of embodiment；The blind hole that described shrinkproof pit hole 4 is truncated conical shape.
Preferably, as a kind of embodiment；The bottom of described shrinkproof pit hole 4 protrudes from the end of described cap body body 1
Outer, portion.
It should be noted that the effect of above-mentioned shrinkproof pit hole mainly has three aspects:
On the one hand, this shrinkproof pit hole is provided in the cavity of cap body body interior, material when it is advantageous to prevent from being molded
Material shrinks；
On the other hand, good sealing effect, exists between the blind hole outer wall of i.e. shrinkproof pit hole and the inwall of described cap body body
Gap, but this gap may be used for the tube wall of embedded three-way connection；So, the tube wall of three-way connection has just been sandwiched in anti-
Between the blind hole outer wall of contracting pit hole and the inwall of cap body body, its can be formed to three-way connection formed better seal effect with
And fastening effect；
Another further aspect, shrinkproof pit hole is also beneficial to semi-automation positioning；The bottom of i.e. shrinkproof pit hole protrudes from cap body body
Outer, bottom, so when operating personnel operate three cowlings, needing close to three-way connection for the bottom of three cowlings, owing to it is prevented
The bottom of contracting pit hole highlights, so the bottom of its shrinkproof pit hole first extend into the inside of three-way connection, due to the body of shrinkproof pit hole
Long-pending less, therefore it is more conducive to stretch into inside three-way connection, stretches into offer for follow-up whole three cowlings and guides, and then realizes certainly
The function of dynamic positioning.Three cowlings that above-mentioned the utility model embodiment provides, through scientific research personnel's research and design for many years, through number
Ten improvement design, also pass through simultaneously and repeatedly require with reference to mould process design, have devised and have above-mentioned many technical characterstics
Three cowlings；Simultaneously above-mentioned three cowlings also have passed through tens of tests at clinicing aspect, has obtained onsite user and industry personage
Concern and accreditation, therefore it will be widely used.
Structure construction with regard to anti-slip veins:
Preferably, as a kind of embodiment；A plurality of anti-slip veins 6 is along the vertical side of described cap body body 1 lateral wall
It is upwards arranged in order distribution to arrange.
Preferably, as a kind of embodiment；Between a plurality of anti-slip veins 6, spacing is equal, and uniform intervals arranged distribution sets
Put on the lateral wall of described cap body body；
It should be noted that spacing is equal between a plurality of anti-slip veins, so can ensure that a plurality of anti-slip veins uniform intervals is arranged
Column distribution is arranged on the lateral wall of described cap body body, and then when ensureing to screw, frictional force is uniform, screws feel more preferable；Typically
From the point of view of, three cowlings in the utility model can realize semi-automatic tightening by semi-automatic tooling device during screwing, then
When needing dismounting after making to be finished, then can manually screw three cowlings, three cowlings are screwed down；Above-mentioned anti-slip veins sets obviously
Meter is more conducive to manually screw three cowlings and dismantles.
Preferably, as a kind of embodiment；Described anti-slip veins 6 is specially anti-skidding dimpled grain.
Preferably, as a kind of embodiment；Described anti-slip veins 6 is specially anti-skidding burr.
It should be noted that three cowlings can form good closely cooperating with three-way connection；This anti-slip veins is conducive to increasing
Three cowlings so just can easily be screwed from threeway by the frictional force between itself and the palm of medical personnel's operation.
Owing to this three cowlings product is used for medical disposable material product, every day, medical personnel's usage quantity was very big, required height for feel.Institute
With three cowlings of the present utility model, feel is more preferable, operation of being more convenient for.
Structure construction with regard to shrinkproof pit hole:
Preferably, as a kind of embodiment；The blind hole outer wall of described shrinkproof pit hole and the inwall of described cap body body
Between gap in be additionally provided with annular seal circle.
Preferably, as a kind of embodiment；The outside dimension of described annular seal circle and the width in described gap
Size adapts.
Preferably, as a kind of embodiment；Described annular seal circle is medical silica-gel sealing ring or medical grade rubber
Sealing ring.
It should be noted that；Medical silica-gel sealing ring is a kind of high temperature resistant silica gel sealing ring of high-environmental, be frequently used for hospital,
The mechanisms such as medical treatment, scientific research institution, the high medical sealing ring of this sanitary grade uses import high quality silicon collagen-based materials；This silica gel sealing
Circle resilience is strong, and good airproof performance, Long-Time Service does not turn yellow colour-fast, does not affect using effect.
Meanwhile, above-mentioned medical silica-gel sealing ring also has technical performance superior as follows: the 1st, sanitary grade is high, ring
Protect, efficiently tasteless, can high-temperature sterilization and autoclaving；2nd, tensile strength is high, and high tear, low-shrinkage, resilience is good；3. long
Time use also will not deform, and resistance to biodeterioration can be strong；Therefore above-mentioned silica gel sealing ring is particularly adapted to the utility model in fact
Executing the sealing ring material on the woven hose protective cap that example provides needs.
Otherwise technical construction with regard to three cowlings:
Preferably, as a kind of embodiment；Described cap body body is specially medical grade polycarbonate injection structure part
Or medical grade PEF injection structure part or medical grade polyurethane injection structure part etc..
It should be noted that in the utility model structure, cap body body its can use multiple medical material structures；
For example: cap body body its medical grade polycarbonate (PC) injection structure part can be used to manufacture, cap body body its can use doctor
Manufacture with level polyurethane (PU) injection structure part, or use medical grade PEF (PE) injection structure part to manufacture or medical grade
ABS injection structure part etc..Therefore, above-mentioned three cowlings can select various material form；Meanwhile, above-mentioned three cowlings can use
Epoxy hexane sterilizes.
It should be noted that above-mentioned engineering plastics typically all have more good serviceability；Above-mentioned engineering moulding
Generally comprise polycarbonate injection moulded structural member (Polycarbonate, PC), PEF injection structure part (PE) etc..Above-mentioned doctor
By level its tensile strength of injection structure part all more than 50MPa, resistance to impact is more than 50J/m2, and the modulus of elasticity in static bending is at 24000kg/
Cm2, load deflection temperature is more than 100 DEG C, and its hardness, anti-impact force, ageing resistance are excellent.Wherein, implement as the utility model
The three most preferred schemes of cowling of example are medical grade polycarbonate injection structure part (PC) or use the injection of medical grade PEF
Structural member (PE) etc..The high intensity feature that above-mentioned engineering moulding all highlights, also has resistance to compression, impact resistance strong, water-fast simultaneously
The features such as solution.Therefore, above-mentioned three cowlings can select various material form；
The threeway meanwhile coordinating with three cowlings also can use various structures form, and such as this product can use multiple
The threeway of form and joint coordinate；With regard to the structure of threeway and three-way connection, the utility model embodiment is not another
One repeats.
It should be noted that three cowlings that the utility model embodiment provides, there is more many technique effects: these are three years old
Being connected firmly, simply between cowling and three-way connection.Utilitarian design, it is easy to operation.Pressure dependable performance, air pressure resistance degree is relatively
High (for example: 0.6 bar/15 second)；Hydraulic pressure resistant ability is also higher (for example: 4.5 bar/30 minute), and pressure transfusion and monitoring of blood pressure are more
Safety.
It will be apparent that three cowlings that the utility model embodiment provides mainly have a technical advantage of following aspect:
1st, three cowlings that the utility model embodiment provides have cross bar-shaped trough structure, and its frock easy to use is manual
Operation, is more conducive to semi-automation positioning and semi-automation screws installation.
2nd, three cowlings that the utility model embodiment provides have that attachment structure is reliable and stable, the higher technology of security is excellent
Gesture, it can form good fastening structure after three-way connection screws；So three cowlings that the utility model embodiment provides, even
Access node structure is reliable, and security performance is more preferable.
3rd, three cowlings that the utility model embodiment provides have the technical advantage of attachment structure good seal performance, and it is three
After pass joint screws, three-way connection enters in the gap between the cap body body of three cowlings and shrinkproof pit hole, can be formed good
Fastening effect and sealing property；The effect of simultaneously above-mentioned medical sealing ring also can strengthen the sealing function of three cowlings further
(avoiding the problems such as leakage).
4th, three cowlings that the utility model embodiment provides have anti-slip veins structure, and it facilitates the operation of medical worker,
Ensure that being smoothed out of operation.
5th, three cowlings that the utility model embodiment provides have shrinkproof pit hole structure, and it needs to use according to Shooting Technique
Design, Material shrinkage when its object is to prevent injection, and good sealing effect, be simultaneously also beneficial to semi-automatic positioning peace
Dress.
6th, three cowlings that the utility model embodiment provides also have the scope of being suitable for extensively, and dual-purpose is strong, save material etc.
All many technical advantages；This three cowling is very easy to use, and the design of its structure function is improved and reasonable.
In sum, three cowlings that the utility model embodiment provides, have all many technical advantages, and therefore it must
Good social benefit, market prospects and economic benefit will be brought.
Last it is noted that various embodiments above is only in order to illustrating the technical solution of the utility model, rather than it is limited
System；Although being described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: it still can the technical scheme described in foregoing embodiments be modified, or to wherein some or all of
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (10)
1. a cowling, it is characterised in that include cap body body；
The top being positioned at described cap body body is provided with cross bar-shaped trough；The center being positioned at described cross bar-shaped trough is provided with circle
Shape blind hole, described blind round hole is connected with described cross bar-shaped trough；
The bottom of the described cross bar-shaped trough being positioned on described cap body body is additionally provided with shrinkproof pit hole；And described shrinkproof pit hole is
Blind hole；There is gap between the blind hole outer wall of described shrinkproof pit hole and the inwall of described cap body body, described gap is used for embedding
The tube wall of three-way connection；It is provided with external screw thread outside the tube wall of described three-way connection；It is provided with on the inwall of described cap body body
Internal thread, the internal thread of described cap body body and the external screw thread on the tube wall of described three-way connection are connected；
It is additionally provided with a plurality of anti-slip veins on the circumferencial direction of the lateral wall being positioned at described cap body body.
2. three cowlings according to claim 1, it is characterised in that
Described shrinkproof pit hole is the blind hole of truncated conical shape.
3. three cowlings according to claim 2, it is characterised in that
The bottom of described shrinkproof pit hole protrudes from the outer, bottom of described cap body body.
4. three cowlings according to claim 1, it is characterised in that
A plurality of anti-slip veins is arranged in order distribution setting in the vertical direction of described cap body outer body wall.
5. three cowlings according to claim 1, it is characterised in that
Between a plurality of anti-slip veins, spacing is equal, and uniform intervals arranged distribution is arranged on the lateral wall of described cap body body.
6. three cowlings according to claim 1, it is characterised in that
Described anti-slip veins is specially anti-skidding dimpled grain.
7. three cowlings according to claim 1, it is characterised in that
Described anti-slip veins is specially anti-skidding burr.
8. three cowlings according to claim 1, it is characterised in that
It is additionally provided with annular seal in gap between the blind hole outer wall of described shrinkproof pit hole and the inwall of described cap body body
Circle.
9. three cowlings according to claim 8, it is characterised in that
The outside dimension of described annular seal circle and the width dimensions in described gap adapt.
10. three cowlings according to claim 9, it is characterised in that
Described annular seal circle is medical silica-gel sealing ring or medical grade rubber sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620599012.5U CN205678350U (en) | 2016-06-17 | 2016-06-17 | A kind of three cowlings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620599012.5U CN205678350U (en) | 2016-06-17 | 2016-06-17 | A kind of three cowlings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205678350U true CN205678350U (en) | 2016-11-09 |
Family
ID=57430147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620599012.5U Active CN205678350U (en) | 2016-06-17 | 2016-06-17 | A kind of three cowlings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205678350U (en) |
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2016
- 2016-06-17 CN CN201620599012.5U patent/CN205678350U/en active Active
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