CN205167047U - Lithium battery diaphragm is knife rest anti -dropping apparatus for cutting machine - Google Patents
Lithium battery diaphragm is knife rest anti -dropping apparatus for cutting machine Download PDFInfo
- Publication number
- CN205167047U CN205167047U CN201520972676.7U CN201520972676U CN205167047U CN 205167047 U CN205167047 U CN 205167047U CN 201520972676 U CN201520972676 U CN 201520972676U CN 205167047 U CN205167047 U CN 205167047U
- Authority
- CN
- China
- Prior art keywords
- groove
- draw
- knife rest
- lower bayonet
- bayonet slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 17
- 230000004323 axial length Effects 0.000 claims abstract description 8
- 238000011084 recovery Methods 0.000 claims abstract description 3
- 238000007514 turning Methods 0.000 claims description 11
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 230000006835 compression Effects 0.000 abstract 3
- 238000007906 compression Methods 0.000 abstract 3
- 230000004888 barrier function Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model belongs to lithium battery diaphragm cuts equipment field, concretely relates to lithium battery diaphragm is knife rest anti -dropping apparatus for cutting machine. The utility model discloses a go up draw -in groove and draw -in groove down, go up draw -in groove and draw -in groove down to closing the equal concave half circular arc groove of establishing of face department, go up draw -in groove and the articulated and parallel knife rest axial length direction of its articulated shaft axis each other between the draw -in groove down, go up the draw -in groove and be used for the closure to lock locking portion between them with the other end setting of the mutual disposition articulated shaft of draw -in groove down, this device is still including being used for connect going up draw -in groove and draw -in groove down so that both are the compression spring of the state of opening, goes up draw -in groove and draw -in groove down at the other protruding projection that is equipped with of the outside groove in half circular arc groove end punishment, and fasten respectively on corresponding projection at the compression spring both ends, and compression spring's elastic recovery direction sets up with the articulated closing direction of last draw -in groove is reverse. The utility model discloses can be when realizing more high efficiency assembly operations, also can effectively solve present knife rest because of the assembly carelessness result in by the upset mount department situation of coming off.
Description
Technical field
The utility model belongs to lithium battery diaphragm cutting apparatus field, is specifically related to a kind of lithium battery diaphragm cutting machine knife rest anti-dropping apparatus.
Background technology
In the structure of lithium battery, barrier film is one of interior layer assembly of key.Barrier film adopts plastic insulation film to make, and can isolate battery plus-negative plate, to prevent short circuit; And lithium ion moves around by the micropore of barrier film, form electric current.Lithium battery diaphragm is partially soft, once collide with by sharp-pointed, hard material and extrude, will be impaired and cause barrier film to form weakness in the performances such as thickness, ventilative, puncture, thus increase the short circuit ratio of battery, reduce the security of battery.Therefore, barrier film producing, cut, carry, pack, in the process such as transport, avoid that barrier film scratches, bump injury, squeeze and hinder situation.
Lithium battery diaphragm cutting machine is the special equipment for wide cut barrier film being cut into many narrow lithium battery diaphragms.One of core members of this cutting machine, for profile is the knife rest of major axis shape, along its axial length direction some blades uniformly at intervals on knife rest, and the equal radial arrangement of the sensing of each blade is with even slitting diaphragm.The fixing upset fixed mount that utilizes of knife rest realizes, and upset fixed mount comprises and turning rod hinged between cutting machine frame and be positioned at the assembling draw-in groove of its rod end.Assembling draw-in groove is that Hafu-type coordinates and formed by upper draw-in groove and lower bayonet slot, the semicircle shape arc groove of the involutory surface place layout banding knife rest respective end of two draw-in grooves.Assembling process is: after shutdown, by handle, overturn structure is overturn, and assembling draw-in groove is exposed.Open assembling draw-in groove place snap close, dig draw-in groove and the respective end of knife rest is loaded in lower bayonet slot.The upper draw-in groove that closes is snap close also, and shake handle, jointly overturns reset by whole upset fixed mount and knife rest, can cut off barrier film downwards to make blade.The defect that above-mentioned traditional structure exists is: in actual mechanical process, because the work of cutting is comparatively loaded down with trivial details, often occur such as to run into suddenly other local emergency of production line and go the situations such as process, does not temporarily go assembling after now employee can load onto knife rest conveniently.And return to rigging position once employee, very easily because employee's carelessness is forgotten, and directly the knife rest of not yet locking can be resetted together with the upset of upset fixed mount again, cause occurring knife rest and come off by overturning fixed mount and pound the situation on cutting machine roller.On the one hand, the firm material of point of a knife sharp on knife rest and guide rod self, must cause roller smooth surface to be impacted breakage produce burr, occur to scratch barrier film situation thereupon, have impact on the final quality of product greatly when causing cutting.On the other hand, roller self price is high, once impaired, just need to consider to change, causes production and maintenance cost sharply to increase, thus bring unnecessary production waste to producer.
Summary of the invention
The purpose of this utility model is to provide a kind of lithium battery diaphragm cutting machine knife rest anti-dropping apparatus rational in infrastructure, it can realize more while high efficiency assembly manipulation, and what also effectively can solve that current knife rest causes because assembling carelessness to be come off situation by upset fixed mount.
For achieving the above object, the utility model have employed following technical scheme:
A kind of lithium battery diaphragm cutting machine knife rest anti-dropping apparatus, at least comprise the assembling draw-in groove at the knife rest two ends that are placed in, assembling draw-in groove is made up of upper draw-in groove involutory in Hafu-type each other and lower bayonet slot, upper draw-in groove and the involutory surface place of lower bayonet slot are all arranged with the semicircle shape arc groove for coordinating banding knife rest end, it is characterized in that: hinged each other and its jointed shaft axis being parallel tool axis length direction between described upper draw-in groove and lower bayonet slot, the other end of the jointed shaft positioned opposite of upper draw-in groove and lower bayonet slot arranges and is used for both tight lock part closed and locked; This device also comprises for connecting upper draw-in groove and lower bayonet slot to make the Compress Spring of both open-shaped states, upper draw-in groove and lower bayonet slot are convexly equipped with projection respectively at the outer side slot end place of semicircle shape arc groove, Compress Spring two ends are anchored on corresponding projection respectively, and the elastic recovery direction of Compress Spring and the hinged closing direction of upper draw-in groove are oppositely arranged.
Projection position is near the end place, tight lock part place of upper draw-in groove and lower bayonet slot.
The side, jointed shaft place of lower bayonet slot is also provided with the payment for limiting assembling draw-in groove maximum opening, and described payment is fixed on the hinged swing path of draw-in groove; Assembling draw-in groove is when being in maximum opening, and on upper draw-in groove and lower bayonet slot, the same side slot end maximum spacing of two semicircle shape arc grooves equals the end diameter of knife rest.
This device also comprises turning rod, and the end of turning rod arranges L-type groove, and lower bayonet slot is fixed on above-mentioned L-type groove bottom land place and its side, jointed shaft place is arranged near the cell wall of L-type groove; The cell wall of L-type groove is arranged axis to tilt with the screwed hole pointing to upper draw-in groove, payment screw thread is fixed in this screwed hole.
Tight lock part comprises the hinged locking bar being articulated with lower bayonet slot place, the articulated section axis being parallel tool axis length direction of hinged locking bar and long this articulated section axis vertical of its bar, is provided with groove and this groove flute length rail head axial length direction in the homonymy place corresponding female of upper draw-in groove; The shaft of hinged locking bar with form inlay card between groove and coordinate; The affixed gear nut of hinged locking bar rod end place screw thread, forms seam between the upper groove end of this gear nut and groove and coordinates.
The beneficial effects of the utility model are:
1), traditional unprotect structure has been abandoned and very easily dropping situation because employee neglects knife rest that operation etc. produces of causing.The utility model is on the basis of the hinged butted structure of assembling draw-in groove, then the design of the employing Compress Spring looked for another way, and makes draw-in groove remain hinged open configuration relative to lower bayonet slot.On the one hand, originally necessary operating procedure of unscrewing draw-in groove in tight lock part-manual unlocking-put into knife rest, be reduced to and unscrew the operating procedure that knife rest was opened-put into tight lock part-upper draw-in groove automatically, thus the artificial opening steps of the upper draw-in groove removed from, efficiency of assembling is higher, singlely can realize Fast Installation.On the other hand, even do not lock as long as tight lock part has not been locked, under the effect of Compress Spring, upper draw-in groove is just in by the open configuration of jack-up all the time, thus has possessed extremely strong strong visual prompting effect.Even if employee causes assembling to pause because of other miscellaneous affairs, and when returning to assembling, also can directly with visual and judge whether that missing knife rest locks step.Adopt said apparatus described in the utility model, the knife rest caused because of factors such as personnel's carelessness can be avoided completely to drop situation, efficiency of assembling is higher simultaneously, and operate more convenient convenience, its work practicality have also been obtained remarkable lifting.
2), practical operation time, the fixed position of Compress Spring can be multiple, only need meet " guaranteeing that assembling draw-in groove is in elasticity open mode all the time ".The utility model is preferably fixed on the side place, close tight lock part place of draw-in groove and lower bayonet slot, thus the structures such as more convenient layout projection, also can promote the installation convenience of Compress Spring accordingly, achieve many things at one stroke.
3) that, offsets is arranged as another emphasis of the present utility model.The design original intention of payment, even if be that employee does not still see apparent assembling draw-in groove open configuration, and rotation rollover stand by force, now go up draw-in groove and be positioned at below and lower bayonet slot then above being positioned at.Under the Gravitative Loads of knife rest, upper draw-in groove is under pressure and opens, but be located immediately at upper draw-in groove due to payment open path place, thus limit the maximum of draw-in groove and open amplitude.In the case, even if snap close forgets locking, when overturning knife rest, because upper draw-in groove is by spacing to cutting, knife rest can drop in upper draw-in groove, and can not drop out, and finally achieves the second heavy Anti-fall protected effect for knife rest.Above-mentioned effect, is equally also applicable to solve the knife rest that causes because tight lock part damages and drops situation.
4), the position of payment is positioned on turning rod.By the threaded engagement to the corresponding cell wall on turning rod, when needed, the threaded adjustment offseted can be carried out, thus make to offset the axial action produced along self.Because screwed hole own axes points to upper draw-in groove place, once payment produces axial action, the on-line tuning object of upper draw-in groove flip angle to a certain degree can be carried out.
5), hinged locking bar collocation groove tight lock part structure, reliably can realize the closed and locked effect of draw-in groove relative to lower bayonet slot.Certainly, during practical operation, also can consider to adopt the Quick locking structure such as hasp, can realize assembling the locked and folding effect of the portable of draw-in groove equally, just repeat no more herein.
Accompanying drawing explanation
Fig. 1 is three-dimensional assembly structure schematic diagram of the present utility model;
Fig. 2 is the I part partial enlarged drawing of Fig. 1;
Fig. 3 is the II part partial enlarged drawing of Fig. 1;
Fig. 4 is the structural representation of the utility model when being in closed and locked state.
In accompanying drawing each label and corresponding component corresponding relation of the present utility model as follows:
A-knife rest
11-upper draw-in groove 12-lower bayonet slot 13-semicircle shape arc groove 14-projection
20-Compress Spring 30-offsets 40-turning rod 41-L type groove
51-hinged locking bar 52-groove 53-gear nut 60-overturns jointed shaft
Detailed description of the invention
For ease of understanding, composition graphs 1-4 does following description to concrete enforcement structure of the present utility model and workflow herein:
Concrete confined state of the present utility model, as Figure 1-3, turning rod 40, two turning rod 40 comprising hinged two of being fixed in cutting machine frame parallel to each other connects each other to overturn jointed shaft 60.L-type groove 41 is set at the top end of turning rod 40, and fixes assembling draw-in groove in the bottom land place of L-type groove 41.Assembling draw-in groove comprises upper draw-in groove 11 and the lower bayonet slot 12 of hinged cooperation to each other.Present hinged involutory Hafu-type structure between upper draw-in groove 11 and lower bayonet slot 12, also namely both present the pipeline leakage plugging device structure of double split.As shown in Figure 3, arranging semicircle shape arc groove 13 at the involutory surface place of upper draw-in groove 11 and lower bayonet slot 12, jointly enclosing for being embedded and the poroid structure of banding knife rest a end to rely on this arc groove.In addition, aforesaid " knife rest a axial length " is also " tool axis line length ", its with knife rest 10 assemble after axial length as a reference, to understand.
The utility model, for assembling improved structure of clamping groove, with reference to shown in Fig. 1-2, first comprises the Compress Spring 20 being fixed on draw-in groove 11 and lower bayonet slot 12 homonymy place.The two ends of Compress Spring 20 rely on projection 14 and snap ring to be fixed in respective card slot respectively, utilize the elastic-restoring force of Compress Spring 20, thus make to be in open configuration all the time between draw-in groove 11 and lower bayonet slot 12.As shown in Figure 4, payment 30 is set at the cell wall place of L-type groove 41, and this payment 30 is positioned on the hinged swing path of draw-in groove 11, thus the maximum opening of the upper draw-in groove 11 of restriction, make its maximum opening be merely able to just allow knife rest a put into.
The utility model, by said structure, utilizes Compress Spring 20 on the one hand, making draw-in groove 1 keep folding condition when tight lock part is for locking all the time, not only conveniently putting into knife rest a, be conducive to reduction operation and promote working (machining) efficiency; All the time be in open mode when also utilizing assembling draw-in groove not lock simultaneously, thus play prompting function by obvious visual signal.On the other hand; even if employee ignores the open mode of assembling draw-in groove again; and overturn knife rest a by force; or cannot sealed assembling draw-in groove because tight lock part damages; again because upper draw-in groove 11 is spacing by payment; in the semicircle shape arc groove 13 that knife rest a also can drop under gravity on upper draw-in groove 11, and directly can not drop out and pound on roller, thus serving secondary operation protected effect.The utility model is by adopting said apparatus, the knife rest caused because of factors such as personnel's carelessness, snap close damages can be avoided completely to drop situation, its structure realizes easy, simple operation is reliable, under being extremely applicable to current loaded down with trivial details slitting operation, the execute-in-place demand of the facilitation of people institute active demand, high efficiency and nought stat.
Claims (5)
1. a lithium battery diaphragm cutting machine knife rest anti-dropping apparatus, at least comprise the assembling draw-in groove at knife rest (a) two ends that are placed in, assembling draw-in groove is made up of upper draw-in groove (11) involutory in Hafu-type each other and lower bayonet slot (12), upper draw-in groove (11) and the involutory surface place of lower bayonet slot (12) are all arranged with the semicircle shape arc groove (13) for coordinating banding knife rest end, it is characterized in that: hinged each other and its jointed shaft axis being parallel knife rest (a) axial length direction between described upper draw-in groove (11) and lower bayonet slot (12), the other end of the jointed shaft positioned opposite of upper draw-in groove (11) and lower bayonet slot (12) arranges for both tight lock part closed and locked, this device also comprises for connecting upper draw-in groove (11) with lower bayonet slot (12) to make the Compress Spring (20) of both open-shaped states, upper draw-in groove (11) and lower bayonet slot (12) are convexly equipped with projection (14) respectively at the outer side slot end place of semicircle shape arc groove (13), Compress Spring (20) two ends are anchored on corresponding projection respectively, and the elastic recovery direction of Compress Spring (20) and the hinged closing direction of upper draw-in groove (11) are oppositely arranged.
2. a kind of lithium battery diaphragm cutting machine knife rest anti-dropping apparatus according to claim 1, is characterized in that: projection (14) position is near the tight lock part place end place of upper draw-in groove (11) with lower bayonet slot (12).
3. a kind of lithium battery diaphragm cutting machine knife rest anti-dropping apparatus according to claim 1 and 2, it is characterized in that: the side, jointed shaft place of lower bayonet slot (12) is also provided with the payment (30) for limiting assembling draw-in groove maximum opening, and described payment (30) is fixed on the hinged swing path of draw-in groove (11); When assembling draw-in groove is in maximum opening, upper draw-in groove (11) equals the end diameter of knife rest (a) with the same side slot end maximum spacing of upper two the semicircle shape arc grooves of lower bayonet slot (12).
4. a kind of lithium battery diaphragm cutting machine knife rest anti-dropping apparatus according to claim 3, it is characterized in that: this device also comprises turning rod (40), the end of turning rod (40) arranges L-type groove (41), and lower bayonet slot (12) is fixed on above-mentioned L-type groove (41) bottom land place and its side, jointed shaft place is arranged near the cell wall of L-type groove (41); The cell wall of L-type groove (41) is arranged axis to tilt with the screwed hole pointing to upper draw-in groove (11), payment (30) screw thread is fixed in this screwed hole.
5. a kind of lithium battery diaphragm cutting machine knife rest anti-dropping apparatus according to claim 1 and 2, it is characterized in that: tight lock part comprises the hinged locking bar (51) being articulated with lower bayonet slot (12) place, the axial length direction, articulated section axis being parallel knife rest (a) of hinged locking bar (51) and long this articulated section axis vertical of its bar, be provided with groove (52) and this groove (52) flute length rail head (a) axial length direction in the homonymy place corresponding female of upper draw-in groove (11); The shaft of hinged locking bar (51) with form inlay card between groove (52) and coordinate; The affixed gear nut (53) of hinged locking bar (51) rod end place screw thread, forms seam between the upper groove end of this gear nut (53) and groove (52) and coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520972676.7U CN205167047U (en) | 2015-11-26 | 2015-11-26 | Lithium battery diaphragm is knife rest anti -dropping apparatus for cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520972676.7U CN205167047U (en) | 2015-11-26 | 2015-11-26 | Lithium battery diaphragm is knife rest anti -dropping apparatus for cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205167047U true CN205167047U (en) | 2016-04-20 |
Family
ID=55731076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520972676.7U Expired - Fee Related CN205167047U (en) | 2015-11-26 | 2015-11-26 | Lithium battery diaphragm is knife rest anti -dropping apparatus for cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205167047U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214664A (en) * | 2017-12-29 | 2018-06-29 | 广东邦达实业有限公司 | A kind of offset plate cuts structure |
| CN110155789A (en) * | 2019-06-03 | 2019-08-23 | 海宁东长针织化工有限公司 | A kind of wrap-up of compounding machine |
| CN112223372A (en) * | 2020-08-19 | 2021-01-15 | 安徽中电环保材料股份有限公司 | Anti-cutting-leakage filter material splitting machine |
| CN114916271A (en) * | 2022-05-27 | 2022-08-19 | 山东农业大学 | Garlic fertilization, film mulching, pesticide spraying, drip irrigation tape laying and punching integrated machine before sowing |
| CN117696484A (en) * | 2024-01-05 | 2024-03-15 | 广州埃特尼特建筑系统有限公司 | Panel belt cleaning device |
-
2015
- 2015-11-26 CN CN201520972676.7U patent/CN205167047U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214664A (en) * | 2017-12-29 | 2018-06-29 | 广东邦达实业有限公司 | A kind of offset plate cuts structure |
| CN108214664B (en) * | 2017-12-29 | 2020-04-17 | 广东邦达实业有限公司 | Rubber plate cutting structure |
| CN110155789A (en) * | 2019-06-03 | 2019-08-23 | 海宁东长针织化工有限公司 | A kind of wrap-up of compounding machine |
| CN112223372A (en) * | 2020-08-19 | 2021-01-15 | 安徽中电环保材料股份有限公司 | Anti-cutting-leakage filter material splitting machine |
| CN112223372B (en) * | 2020-08-19 | 2022-03-22 | 安徽中电环保材料股份有限公司 | Anti-cutting-leakage filter material splitting machine |
| CN114916271A (en) * | 2022-05-27 | 2022-08-19 | 山东农业大学 | Garlic fertilization, film mulching, pesticide spraying, drip irrigation tape laying and punching integrated machine before sowing |
| CN114916271B (en) * | 2022-05-27 | 2023-08-11 | 山东农业大学 | All-in-one machine for fertilizing, coating, spraying medicine and paving drip irrigation belt before garlic sowing |
| CN117696484A (en) * | 2024-01-05 | 2024-03-15 | 广州埃特尼特建筑系统有限公司 | Panel belt cleaning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205167047U (en) | Lithium battery diaphragm is knife rest anti -dropping apparatus for cutting machine | |
| CN211126288U (en) | Online safety monitoring device of power transmission and distribution | |
| CN201647935U (en) | Locking mechanism | |
| CN203022361U (en) | Column angle protecting tool | |
| CN204505089U (en) | A kind of clamp system of horizontal hook pressure plate | |
| CN215201776U (en) | Nuclear power station lead acid battery sealing washer changes device | |
| CN205937419U (en) | Bolt assembly of theftproof | |
| CN210440409U (en) | Detection equipment fixing die screw locking mechanism | |
| CN205147726U (en) | Stable buffering righting device | |
| CN207189797U (en) | A kind of plastic barrel end socket cuts fixing device | |
| CN204000949U (en) | A kind of manhole cover with lock | |
| CN206791936U (en) | A kind of connection component of automobile key bag | |
| CN203333147U (en) | Special anti-falling boom for concrete tower crane base | |
| CN206123810U (en) | Pneumatic cylinder and connection structure who decides board | |
| CN207239701U (en) | Boring bar fixing device | |
| CN201796746U (en) | Switch terminal fixing structure | |
| CN201385317Y (en) | Multifunctional cutter | |
| CN204659991U (en) | A kind of for I shape vertical columns jacking apparatus in ship building process | |
| CN206525661U (en) | A kind of workmen for drainage system manages chest badge | |
| CN212706696U (en) | Power distribution network emergency repair box | |
| CN205169427U (en) | Detachable monitoring devices is used to container | |
| CN204872663U (en) | Belt feeder scram on off state indicating device that acts as go -between | |
| CN219778732U (en) | Five-prevention lockset for underground coal mine high-explosion switch | |
| CN206338562U (en) | It is a kind of that there is the long foot stool for insuring locking mechanism | |
| CN107971395A (en) | Under from revolving die self-locking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 |