CN207018331U - Screw device for smoke exhaust ventilator case - Google Patents
Screw device for smoke exhaust ventilator case Download PDFInfo
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- CN207018331U CN207018331U CN201720777207.9U CN201720777207U CN207018331U CN 207018331 U CN207018331 U CN 207018331U CN 201720777207 U CN201720777207 U CN 201720777207U CN 207018331 U CN207018331 U CN 207018331U
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- bow
- barrel shell
- case
- arc barrel
- head
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Abstract
A kind of screw device for smoke exhaust ventilator case, include the bow being arranged to as threaded portion is screwed in（1）, be arranged to and bow（1）Couple and as the arc barrel shell for screwing out threaded portion（2）, be arranged to and bow（1）Couple and for bow（1）Apply the interior screw head of rotating force（3）, be arranged to and arc barrel shell（2）Couple and for arc barrel shell（2）Apply the outer spiral case of rotating force（4）, pass through bow（1）With interior screw head（3）, screw in the connecting screw hole of lampblack-pumped connecting bracket and smoke exhaust ventilator case, pass through arc barrel shell（2）With outer spiral case（4）, in the connecting screw hole for screwing out lampblack-pumped connecting bracket and smoke exhaust ventilator case, in general screw is not used, therefore improve the unfailing performance for the connecting screw hole for screwing out lampblack-pumped connecting bracket and smoke exhaust ventilator case.
Description
First, technical field
It the utility model is related to a kind of screw device, especially a kind of screw device for smoke exhaust ventilator case.
2nd, background technology
Smoke exhaust ventilator is widely used as household electrical appliance, and smoke exhaust ventilator case is used to collecting and discharging flue gas and water steams
Gas, screw are used to smoke exhaust ventilator case be fixed, and the screw device that thus be accordingly used in smoke exhaust ventilator case is a kind of important
Household appliance components, existing in the screw device of smoke exhaust ventilator case, being also all to use in general screw, due to spiral shell
The threaded portion of nail is that monoblock type is connected with lampblack-pumped connecting bracket, after by flue gas and vapor corrosion, screw and oil pumping
The connecting bracket dismounting of cigarette produces difficulty, so as to be deformed power to screw and lampblack-pumped connecting bracket, have impact on smoke pumping
The performance of hood shell.
Based on existing technical problem, technical characteristic and technique effect, application technical scheme of the present utility model is made.
3rd, the content of the invention
Object of the present utility model is a kind of screw device for smoke exhaust ventilator case.
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model is to provide a kind of screw for smoke exhaust ventilator case
Device, therefore improve the unfailing performance for the connecting screw hole for screwing out lampblack-pumped connecting bracket and smoke exhaust ventilator case.
To reach above-mentioned purpose, the utility model adopts the technical scheme that：Include and be arranged to as screw-in threaded portion
Bow, be arranged to couple with bow and as screw out threaded portion arc barrel shell, be arranged to couple with bow and
For applying the interior screw head of rotating force to bow, being arranged to couple with arc barrel shell and for applying rotation to arc barrel shell
The outer spiral case of active force.
Due to devising bow, arc barrel shell, interior screw head and outer spiral case, by bow and interior screw head, smoke pumping is screwed in
Connecting bracket and smoke exhaust ventilator case connecting screw hole in, by arc barrel shell and outer spiral case, screw out lampblack-pumped connecting bracket
In the connecting screw hole of smoke exhaust ventilator case, in general screw is not used, therefore improves and screws out lampblack-pumped connecting bracket
With the unfailing performance of the connecting screw hole of smoke exhaust ventilator case.
The utility model devises, bow, arc barrel shell, interior screw head and outer spiral shell in the way of burst thread is formed
Shell phase is mutually coupled with.
The utility model devises, bow and arc cylinder in the way of being formed and screwing in screw thread teeth portion and screw out screw thread teeth portion
Shell couples with interior screw head and outer spiral case.
The utility model devises, and also includes case,
Arc barrel shell is arranged to be wrapped on bow and bow and arc barrel shell are arranged to according in same screw rod point
Cloth, the exterior side surface portion of bow and arc barrel shell is provided with same spiral tooth trace and interior screw head is arranged in outer spiral case, arc
Shape bar is arranged to couple with interior screw head and arc barrel shell is arranged to couple with outer spiral case, and case is arranged in interior screw head and case
It is arranged to couple with interior screw head and outer spiral case cover type.
The utility model devises, and bow is arranged to include post portion and fan portion and fan portion is arranged to week along post portion
Avris EDS maps, the exterior side surface portion in post portion are provided with connecting key portion and connecting key portion and are arranged to the connection of arc barrel shell, arc barrel shell
It is arranged to couple with post portion containment type and is provided with helical tooth in fan portion.
The utility model devises, and arc barrel shell is arranged to a part for tubular body and set in the exterior side surface portion of arc barrel shell
There is helical tooth, the inner side face of arc barrel shell is provided with key concave part and bow is arranged in key concave part.
The utility model devises, and arc barrel shell is arranged to couple with the fan portion dock of bow and the periphery of arc barrel shell
It is arranged to be distributed in same circumference with the periphery in the fan portion of bow, the periphery length of side of arc barrel shell and the fan portion of bow
The ratio setting of the periphery length of side is 2.3-3.3：1, the post portion of bow be arranged to along arc barrel shell center line extension distribution and
The connecting key portion in post portion is arranged to be distributed according to dovetail groove mode with the key concave part of arc barrel shell.
The utility model devises, and interior screw head is arranged to include end head and interior six square ends head and end head is set
To couple with the bottom end face portion on interior six square ends head, through-hole section 33 is provided with six square end heads inside and end head is set
To couple with outer spiral case concatenation type, end head is arranged to rectangular cylindrical body and end head is arranged to couple with interior screw head, case
In being arranged in six square end heads.
The utility model devises, and outer spiral case is arranged to include outer six square end heads and pan portion and outer six square ends head
It is arranged to couple with the top end face portion of pan portion, the bottom end face portion that insertion window 43 and pan portion are provided with pan portion is set
To couple with arc barrel shell, rectangle cavity body is provided with pan portion and interior screw head is set in the rectangle cavity body of outer spiral case, outside
Six square end heads are arranged to be included in interior screw head.
The utility model devises, and case is arranged to nail portion and enclosure portion and enclosure portion and is arranged to divide along the periphery in nail portion
Cloth, nail portion is arranged to column and nail portion is arranged to couple with interior screw head buckled type, and enclosure portion is arranged to tubular body and enclosed
Circle portion is arranged to be distributed with outer spiral case circulating type.
The utility model is devised, and bow and arc barrel shell are arranged to according to burst threaded portion with interior screw head and outer spiral case
Mode is distributed and bow, arc barrel shell, interior screw head and outer spiral case are arranged to be distributed in the way of cover dress sealing with case, arc
Shape bar is arranged to be distributed in the way of relative gap with arc barrel shell and interior screw head and outer spiral case are arranged to be connected according to inlaying
Mode is distributed, and the center line of bow, the center line of interior screw head, the center line of outer spiral case and the center line of case are arranged on same
On bar straight line.
In the technical program, the bow, arc barrel shell, interior screw head and the outer spiral case that form burst thread are important technology
Feature, in the technical field for the screw device of smoke exhaust ventilator case, there is novelty, creativeness and practicality, at this
Term in technical scheme is all that can be explained and understood with patent document in the art.
4th, illustrate
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is the connection relationship diagram of bow 1 of the present utility model and arc barrel shell 2.
5th, embodiment
According to guidelines for examination, to such as " having ", "comprising" and " comprising " term should used in the utility model
It is interpreted as the presence or addition for not allotting one or more of the other element or its combination.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or orientation or position relationship that position relationship is general expression, merely to
It is easy to describe the utility model and simplified description, rather than indicates or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ",
" second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected 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 of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out it is clear,
It is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belong to the scope of the utility model protection.
Fig. 1 is one embodiment of the present utility model, and the present embodiment is illustrated with reference to accompanying drawing, include bow 1,
Arc barrel shell 2, interior screw head 3, outer spiral case 4 and case 5,
Arc barrel shell 2 is arranged to be wrapped on bow 1 and bow 1 and arc barrel shell 2 are arranged to according in same spiral shell
Bar is distributed, and the exterior side surface portion of bow 1 and arc barrel shell 2 is provided with same spiral tooth trace and interior screw head 3 is arranged on outer spiral shell
In shell 4, bow 1 is arranged to couple with interior screw head 3 and arc barrel shell 2 is arranged to couple with outer spiral case 4, and case 5 is arranged on interior
In screw head 3 and case 5 is arranged to couple with interior screw head 3 and the cover type of outer spiral case 4.
In the present embodiment, bow 1, which is arranged to include post portion 11 and fan portion 12 and fan portion 12, is arranged to along post portion
11 peripheral side distribution, the exterior side surface portion in post portion 11 are provided with connecting key portion 13 and connecting key portion 13 and are arranged to arc barrel shell
2 connections, arc barrel shell 2 are arranged to couple with the containment type of post portion 11 and are provided with helical tooth in fan portion 12.
By bow 1, the connection strong point with interior screw head 3 and lampblack-pumped connecting bracket is formed, by fan portion 12, with
Lampblack-pumped connecting bracket is attached, and by post portion 11, is connected with interior screw head 3, by connecting key portion 13, is connected with arc barrel shell 2
Connect.
In the present embodiment, arc barrel shell 2 is arranged to a part for tubular body and is provided with the exterior side surface portion of arc barrel shell 2
Helical tooth, the inner side face of arc barrel shell 2 is provided with key concave part 21 and bow 1 is arranged in key concave part 21.
By arc barrel shell 2, the connection strong point with outer spiral case 4 and lampblack-pumped connecting bracket is formed, passes through key concave part
21, it is connected with bow 1.
In the present embodiment, arc barrel shell 2 is arranged to couple with the dock of fan portion 12 of bow 1 and the week of arc barrel shell 2
The periphery in side and the fan portion 12 of bow 1 is arranged to be distributed in same circumference, the periphery length of side and the bow 1 of arc barrel shell 2
Fan portion 12 the periphery length of side ratio setting be 2.3：1, the post portion 11 of bow 1 is arranged to prolong along the center line of arc barrel shell 2
Stretch distribution and the connecting key portion 13 in post portion 11 is arranged to be distributed according to dovetail groove mode with the key concave part 21 of arc barrel shell 2.
By the fan portion 12 of bow 1, the threaded portion of screw-in is formed, by arc barrel shell 2, the threaded portion of back-out is formed, leads to
The connecting key portion 13 in post portion 11 and the key concave part 21 of arc barrel shell 2 are crossed, forms clearance-type rotary motion.
In the present embodiment, interior screw head 3 is arranged to include end head 31 and interior six square ends head 32 and end head 31
It is arranged to couple with the bottom end face portion on interior six square ends head 32, is provided with through-hole section 33 in six square end heads 32 inside and holds
Head 31 is arranged to couple with the outer concatenation type of spiral case 4, end head 31 is arranged to rectangular cylindrical body and end head 31 be arranged to
Interior screw head 3 couples, and case 5 is arranged in interior six square end heads 32.
By interior screw head 3, form the motive force for driving bow 1 to rotate, by interior six square ends head 32, formed with it is external
The connection strong point of hexagon, by end head 31, the tie point with bow 1 is formed, by through-hole section 33, form injection
The grease channel of interior screw head 3 and outer spiral case 4.
In the present embodiment, outer spiral case 4 is arranged to include outer six square end heads 41 and pan portion 42 and outer six square ends head
Portion 41 is arranged to couple with the top end face portion of pan portion 42, and the bottom of insertion window 43 and pan portion 42 is provided with pan portion 42
End face portion is arranged to couple with arc barrel shell 2, and rectangle cavity body is provided with pan portion 42 and interior screw head 3 sets outer spiral case 4
In rectangle cavity body, outer six square ends head 41 is arranged to be included in interior screw head 3.
By outer spiral case 4, form the motive force for driving arc barrel shell 2 to rotate, by outer six square ends head 41, formed with it is external
The connection strong point of shfting wrench, by pan portion 42, the tie point with arc barrel shell 2 is formed, by inserting window 43, formed external
The connection strong point of catch bar.
In the present embodiment, case 5 is arranged to nail portion 51 and enclosure portion 52 and enclosure portion 52 and is arranged to along nail portion 51
Circumferential distribution, nail portion 51 is arranged to column and nail portion 51 is arranged to couple with the interior buckled type of screw head 3, and enclosure portion 52 is arranged to
Tubular body and enclosure portion 52 are arranged to be distributed with the outer circulating type of spiral case 4.
By case 5, internal screw head 3 and outer spiral case 4 are connected and sealed, and by nail portion 51, are formed slotting with interior screw head 3
The strong point is connect in succession, and by enclosure portion 52, internal screw head 3 and outer spiral case 4 are sealed.
In the present embodiment, bow 1 and arc barrel shell 2 are arranged to according to burst threaded portion with interior screw head 3 and outer spiral case 4
Mode is distributed and bow 1, arc barrel shell 2, interior screw head 3 and outer spiral case 4 are arranged to divide in the way of cover dress sealing with case 5
Cloth, bow 1 and arc barrel shell 2 are arranged to be distributed in the way of relative gap and interior screw head 3 and outer spiral case 4 be arranged to according to
Inlay connected mode distribution, the center line of bow 1, the center line of interior screw head 3, the center of the center line of outer spiral case 4 and case 5
Line is arranged on same straight line.
Bow 1 and arc barrel shell 2 are put into the connecting screw hole of lampblack-pumped connecting bracket and smoke exhaust ventilator case, by
External hexagon, rotated interior screw head 3, interior screw head 3 drives bow 1 and outer spiral case 4 to rotate, and bow 1 drives arc
Barrel shell 2 is rotated and is screwed into the connecting screw hole of lampblack-pumped connecting bracket and smoke exhaust ventilator case, including the spiral-lock of case 5
In screw head 3, sealed by the external spiral case 4 of case 5 and the gap between smoke exhaust ventilator case, when needs are the He of bow 1
When arc barrel shell 2 screws out from the connecting screw hole of lampblack-pumped connecting bracket and smoke exhaust ventilator case, case 5 is separated, uses the survivor of a murder attempt
Spanner or catch bar, rotated outer spiral case 4, outer spiral case 4 drives bow 1 and interior screw head 3 to rotate, and arc barrel shell 2 drives arc
Shape bar 1 is rotated and screwed out from the connecting screw hole of lampblack-pumped connecting bracket and smoke exhaust ventilator case.
Second embodiment of the present utility model, the periphery length of side of arc barrel shell 2 and the periphery length of side in the fan portion 12 of bow 1
Ratio setting be 3.3：1.
3rd embodiment of the present utility model, the periphery length of side of arc barrel shell 2 and the periphery length of side in the fan portion 12 of bow 1
Ratio setting be 2.3-3.3：1.
4th embodiment of the present utility model, the periphery length of side of arc barrel shell 2 and the periphery length of side in the fan portion 12 of bow 1
Ratio setting be 2.8：1.
The utility model has lower feature：
1st, due to devising bow 1, arc barrel shell 2, interior screw head 3 and outer spiral case 4, bow 1 and interior screw head 3, rotation are passed through
In the connecting screw hole for entering lampblack-pumped connecting bracket and smoke exhaust ventilator case, by arc barrel shell 2 and outer spiral case 4, smoke pumping is screwed out
Connecting bracket and smoke exhaust ventilator case connecting screw hole in, do not use in general screw, therefore improve back-out smoke pumping
Connecting bracket and smoke exhaust ventilator case connecting screw hole unfailing performance.
2nd, due to devising case 5, sealing protection is carried out to bow 1, arc barrel shell 2, interior screw head 3 and outer spiral case 4.
3rd, due to devising bow 1, arc barrel shell 2 and interior screw head 3, injection grease channel is formed, to bow 1 and arc
Barrel shell 2 is lubricated processing.
4th, due to devising outer spiral case 4, it is adapted to the caused rotating force of multiple types of tools.
5th, the restriction of number range has been carried out to planform due to devising, it is skill of the present utility model to make number range
Technical characteristic in art scheme, is not the technical characteristic for being calculated by formula or being drawn by limited number of time experiment, and experiment shows this
The technical characteristic of number range achieves good technique effect.
6th, due to devising the technical characteristics of the utility model, in the work of the independent and mutual set of technical characteristic
With, by experiment show, property indices of the present utility model for existing property indices be at least 1.7 times, lead to
Crossing assessment has good market value.
The skill that also other bow 1, arc barrel shell 2, interior screw head 3 and outer spiral cases 4 with forming burst thread couples
Art feature is all one of embodiment of the present utility model, and each technical characteristic of embodiment described above can be carried out arbitrarily
Combination, it is no longer special to each technology in above-described embodiment to meet Patent Law, patent regulation and the requirement of guidelines for examination
The embodiment for levying all possible combination is all described.
Therefore in the screw device technical field for smoke exhaust ventilator case, it is every include be arranged to as screw in spiral shell
The bow 1 in line portion, be arranged to couple with bow 1 and as screw out threaded portion arc barrel shell 2, be arranged to and bow 1
Couple and for applying the interior screw head 3 of rotating force to bow 1, being arranged to couple with arc barrel shell 2 and for arc
Barrel shell 2 applies the technology contents of the outer spiral case 4 of rotating force all in the scope of protection of the utility model.
Claims (10)
1. a kind of screw device for smoke exhaust ventilator case, it is characterized in that：Include the arc being arranged to as threaded portion is screwed in
Shape bar（1）, be arranged to and bow（1）Couple and as the arc barrel shell for screwing out threaded portion（2）, be arranged to and bow（1）
Couple and for bow（1）Apply the interior screw head of rotating force（3）, be arranged to and arc barrel shell（2）Couple and use
In to arc barrel shell（2）Apply the outer spiral case of rotating force（4）.
2. the screw device according to claim 1 for smoke exhaust ventilator case, it is characterized in that：According to formation burst screw thread
The mode of tooth is bow（1）, arc barrel shell（2）, interior screw head（3）With outer spiral case（4）It is coupled to each other.
3. the screw device according to claim 1 for smoke exhaust ventilator case, it is characterized in that：Screw thread is screwed according to being formed
Teeth portion and the mode bow for screwing out screw thread teeth portion（1）With arc barrel shell（2）With interior screw head（3）With outer spiral case（4）Connection.
4. the screw device according to claim 1 for smoke exhaust ventilator case, it is characterized in that：Also include case（5）,
Arc barrel shell（2）It is arranged to be wrapped in bow（1）Upper and bow（1）With arc barrel shell（2）It is arranged to according in same
Individual screw rod distribution, in bow（1）With arc barrel shell（2）Exterior side surface portion be provided with same spiral tooth trace and interior screw head（3）
It is arranged on outer spiral case（4）In, bow（1）It is arranged to and interior screw head（3）Connection and arc barrel shell（2）It is arranged to and outer spiral case
（4）Connection, case（5）It is arranged on interior screw head（3）In and case（5）It is arranged to and interior screw head（3）With outer spiral case（4）Cover type
Connection.
5. the screw device according to claim 4 for smoke exhaust ventilator case, it is characterized in that：Bow（1）It is arranged to
Include post portion（11）With fan portion（12）And fan portion（12）It is arranged to along post portion（11）Peripheral side distribution, in post portion（11）
Exterior side surface portion be provided with connecting key portion（13）And connecting key portion（13）It is arranged to arc barrel shell（2）Connection, arc barrel shell（2）Set
For with post portion（11）Containment type couples and in fan portion（12）On be provided with helical tooth.
6. the screw device according to claim 4 for smoke exhaust ventilator case, it is characterized in that：Arc barrel shell（2）It is arranged to
A part for tubular body and in arc barrel shell（2）Exterior side surface portion be provided with helical tooth, in arc barrel shell（2）Inner side face set
There is key concave part（21）And bow（1）It is arranged on key concave part（21）In.
7. the screw device for smoke exhaust ventilator case according to claim 5 or 6, it is characterized in that：Arc barrel shell（2）Set
For with bow（1）Fan portion（12）Dock couples and arc barrel shell（2）Periphery and bow（1）Fan portion（12）Week
While it is arranged to be distributed in same circumference, arc barrel shell（2）The periphery length of side and bow（1）Fan portion（12）The periphery length of side
Ratio setting be 2.3-3.3：1, bow（1）Post portion（11）It is arranged to along arc barrel shell（2）Center line extension distribution simultaneously
And post portion（11）Connecting key portion（13）With arc barrel shell（2）Key concave part（21）It is arranged to be distributed according to dovetail groove mode.
8. the screw device according to claim 4 for smoke exhaust ventilator case, it is characterized in that：Interior screw head（3）It is arranged to
Include end head（31）With interior six square ends head（32）And end head（31）It is arranged to and interior six square ends head（32）Bottom
End face portion connection is held, inside six square end heads（32）In be provided with through-hole section 33 and end head（31）It is arranged to and outer spiral case
（4）Concatenation type couples, end head（31）It is arranged to rectangular cylindrical body and end head（31）It is arranged to and interior screw head（3）Connection,
Case（5）Six square end heads in being arranged on（32）In,
Or outer spiral case（4）It is arranged to include outer six square end heads（41）And pan portion（42）And outer six square ends head（41）Set
For with pan portion（42）The connection of top end face portion, in pan portion（42）On be provided with insertion window 43 and pan portion（42）Bottom end
Face is arranged to and arc barrel shell（2）Connection, in pan portion（42）In be provided with rectangle cavity body and interior screw head（3）Outer spiral case is set
（4）Rectangle cavity body in, outer six square ends head（41）It is arranged to be included in interior screw head（3）On.
9. the screw device according to claim 4 for smoke exhaust ventilator case, it is characterized in that：Case（5）It is arranged to follow closely
Portion（51）With enclosure portion（52）And enclosure portion（52）It is arranged to along nail portion（51）Circumferential distribution, nail portion（51）It is arranged to column
Body and nail portion（51）It is arranged to and interior screw head（3）Buckled type couples, enclosure portion（52）It is arranged to tubular body and enclosure portion
（52）It is arranged to and outer spiral case（4）Circulating type is distributed.
10. the screw device according to claim 4 for smoke exhaust ventilator case, it is characterized in that：Bow（1）With arc cylinder
Shell（2）With interior screw head（3）With outer spiral case（4）It is arranged to be distributed in the way of burst threaded portion and bow（1）, arc barrel shell
（2）, interior screw head（3）With outer spiral case（4）With case（5）It is arranged to be distributed in the way of cover dress sealing, bow（1）With arc cylinder
Shell（2）It is arranged to be distributed in the way of relative gap and interior screw head（3）With outer spiral case（4）It is arranged to according to inlaying connection side
Formula is distributed, bow（1）Center line, interior screw head（3）Center line, outer spiral case（4）Center line and case（5）Center line
It is arranged on same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720777207.9U CN207018331U (en) | 2017-06-30 | 2017-06-30 | Screw device for smoke exhaust ventilator case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720777207.9U CN207018331U (en) | 2017-06-30 | 2017-06-30 | Screw device for smoke exhaust ventilator case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018331U true CN207018331U (en) | 2018-02-16 |
Family
ID=61482887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720777207.9U Expired - Fee Related CN207018331U (en) | 2017-06-30 | 2017-06-30 | Screw device for smoke exhaust ventilator case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630612A (en) * | 2019-10-16 | 2019-12-31 | 嘉兴涵祺汽配科技有限公司 | Novel bolt with built-in anti-loosening effect and elastic pad |
-
2017
- 2017-06-30 CN CN201720777207.9U patent/CN207018331U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630612A (en) * | 2019-10-16 | 2019-12-31 | 嘉兴涵祺汽配科技有限公司 | Novel bolt with built-in anti-loosening effect and elastic pad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20180630 |