CN205296089U - Flood control shutter door - Google Patents

Flood control shutter door Download PDF

Info

Publication number
CN205296089U
CN205296089U CN201520950995.8U CN201520950995U CN205296089U CN 205296089 U CN205296089 U CN 205296089U CN 201520950995 U CN201520950995 U CN 201520950995U CN 205296089 U CN205296089 U CN 205296089U
Authority
CN
China
Prior art keywords
door
flood control
control shutter
sheet
shutter door
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.)
Withdrawn - After Issue
Application number
CN201520950995.8U
Other languages
Chinese (zh)
Inventor
谢雪金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Branch Shanghai Taidian Machinery Co Ltd
Original Assignee
Kunshan Branch Shanghai Taidian Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Branch Shanghai Taidian Machinery Co Ltd filed Critical Kunshan Branch Shanghai Taidian Machinery Co Ltd
Priority to CN201520950995.8U priority Critical patent/CN205296089U/en
Application granted granted Critical
Publication of CN205296089U publication Critical patent/CN205296089U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Special Wing (AREA)

Abstract

The utility model provides a flood control shutter door belongs to the shutter door field, including the door plant, the door plant connects gradually formation by a plurality of door leaf, and door leaf's both ends set up respectively in the frame and can slide in the frame, and the top of door plant is provided with the storage device who is used for taking in door leaf, two arbitrary door leaf's the hook -type structural connection through mutual block between the end in opposite directions. The utility model provides a flood control shutter door, the hook -type structural connection of the mutual block of adoption between the door leaf, the block is more firm, has saved two auxiliary oil cylinder, does not need auxiliary oil cylinder to compress tightly, can realize the door leaf block, and the structure is simpler, makes portably, can not press from both sides people's hand when drop -down, has reduced greatly to rock, and stability is good, and the switch door operation is very convenient, and the security performance is higher to the block is firm, has improved waterproof performance.

Description

Flood control shutter door
Technical field
This utility model relates to shutter door field, in particular to one flood control shutter door.
Background technology
Existing flood control shutter door, when shutter door is drop-down, what match employing between door sheet is card and method, as being convex triangle above, the groove of correspondence is presented herein below, two auxiliary cylinders so must be had when drop-down just can to compress, complicated operation, and easily staff is blocked time drop-down, less safe. It addition, when existing flood control shutter door pulls down, without oil cylinder, can there is the problem dangled, equally exist leakage hidden trouble. Existing flood control shutter door manufactures complexity, security performance is not high, waterproof effect is not good.
Utility model content
This utility model provides a kind of flood control shutter door, it is intended to improve the problems referred to above.
This utility model is achieved in that
A kind of flood control shutter door, including door-plate, described door-plate is in turn connected to form by some sheets, the two ends of described door sheet are respectively arranged in frame and can slide in described frame, the storage device being provided above for receiving described door sheet of described door-plate, the hook-shape structure passing through between end in opposite directions to be mutually clamped of any two door sheet connects.
Further, one end of described door sheet is provided with the first hook portion, is provided with this sheet on the door sheet that one end of the first hook portion is adjacent and is provided with the second hook portion, and described first hook portion and described second hook portion are oppositely arranged and are mutually clamped.
By arranging the first hook portion and the second hook portion, the first hook portion engages in opposite directions with the second hook portion, make adjacent two door sheets connection formed handshaking type snap fit, it is more firm to engage, will not tong, easy to operate, improve security performance.
Further, being provided with open type and seal structure between the described door sheet of arbitrary neighborhood two, described open type seals structure and is arranged at the position relative with described hook-shape structure.
Open type is adopted to seal structure, when making door-plate be subject to hydraulic pressure, can playing effective waterproof action at opening part, and open type sealing structure is relative with the position of hook-shape structure, namely both of which is arranged at the position between adjacent two door sheets, and open type seals structure and is arranged at the position towards outside, hook-shape structure is disposed in proximity to the position of inner side, and both positions are relative, so, form two-layer waterproof construction from outside to inside, further increase the water resistance of door-plate.Compared with prior art, side pressure oil cylinder is eliminated, it is not necessary to use the side pressure oil cylinder just can waterproof effectively.
Further, described open type seals structure and includes two seals and sealing strip, it is provided with opening between two described seals, described sealing strip is arranged at described opening part, two described seals are connected by described sealing strip, and described seal is connected with described door sheet away from one end of described sealing strip.
Being provided with opening between two seals, this opening is sealed by sealing strip, forms open type and seals structure, and when this opening part is subject to hydraulic pressure, sealing strip can play effective waterproof action. Employing open type designs so that even if hydraulic pressure is very big, sealing strip also can only be made to deform, without there being water to pass through from this opening, make the sealing effectiveness between adjacent two door sheets better, thus being greatly improved the water resistance of whole flood control shutter door, being truly realized and can control flood.
Further, described sealing strip is arc and caves in the inner side of described door-plate.
Sealing strip is the arc of indent, even if hydraulic pressure is very big, sealing strip also is able to the deformation that caves inward, and absorbs more hydraulic pressure, without making water pass through from opening, further increases sealing effectiveness.
Further, two described seals are respectively arranged with extension bar at described opening part, and two described extension bars are oppositely arranged, and described extension bar extends towards the outside of described door-plate.
By arranging extension bar, it is possible to when water slug door-plate, playing certain cushioning effect, reducing the hydraulic pressure impacting sealing strip, thus improving sealing property.
Further, described seal is provided with circular mounting portion away from one end of described sealing strip, and described circular mounting portion is connected with described door sheet.
By arranging circular mounting portion, it is possible to be connected with door sheet very securely, water will not pass through from both junctions, further increases sealing property.
Further, the two ends of described door sheet are respectively arranged with bearing, and described door sheet is connected by axle is fixing with described bearing, is provided with slide rail in described frame, and the outer ring of described bearing and described slide rail are slidably connected.
Bearing can be fixed with each sheet so that this flood control shutter door rocks limited, and door-plate will not dangle when pulling down, and stability is better, thus preventing from, because rocking, drainage occurs.
Further, described storage device includes chain, volume brake mechanism and driving device, described chain is arranged in described frame, described chain is connected with described driving device, described volume brake mechanism is connected with described driving device, and the axle of described bearing is connected with by described chain and described door sheet are fixing.
Driving device can drive chain movement, by door sheet successively pull-up or put down, and volume brake mechanism work is driven to be received successively by door sheet or discharge, in this process, bearing can be fixed by chain and door sheet all the time, thus preventing the sheet from producing to rock in the process moved up and down.
Further, the both sides inwall of described frame being respectively arranged with bolster and connecting rod, one end of described connecting rod is fixing with described frame to be connected, and the other end and described bolster are rotationally connected, and described door sheet is arranged between described bolster.
By arranging bolster, in the process that door sheet moves up and down, bolster can prevent the sheet from rocking further, improves water resistance.
The beneficial effects of the utility model are: the flood control shutter door that this utility model is obtained by above-mentioned design, owing to adopting the hook-shape structure being mutually clamped to connect between door sheet, engage more firm, compared with prior art, two auxiliary cylinders are eliminated, it is not necessary to auxiliary cylinder compresses, a sheet engaging can be realized, structure is simpler, manufactures simplicity, will not clip to the hands of people when drop-down, operation is very easy for switch gate, security performance is higher, and engages firmly, improves water resistance.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the flood control shutter door that this utility model embodiment provides;
Fig. 2 is the attachment structure schematic diagram of the door sheet of the flood control shutter door that this utility model embodiment provides;
Fig. 3 is the structural representation of the open type sealing structure of the flood control shutter door that this utility model embodiment provides;
Fig. 4 is the door sheet attachment structure schematic diagram with frame of the flood control shutter door that this utility model embodiment provides.
Figure acceptance of the bid note is respectively as follows:
Door-plate 101; Door sheet 102; Frame 103; Storage device 104; First hook portion 105; Second hook portion 106; Open type seals structure 107; Seal 108; Sealing strip 109; Extend bar 110; Circular mounting portion 111; Bearing 112; Slide rail 113; Chain 114; Bolster 115; Connecting rod 116.
Detailed description of the invention
Existing flood control shutter door, when shutter door is drop-down, what match employing between door sheet is card and method, as being convex triangle above, the groove of correspondence is presented herein below, two auxiliary cylinders so must be had when drop-down just can to compress, complicated operation, and easily staff is blocked time drop-down, less safe. It addition, when existing flood control shutter door pulls down, without oil cylinder, can there is the problem dangled, equally exist leakage hidden trouble. Existing flood control shutter door manufactures complexity, security performance is not high, waterproof effect is not good.
Those skilled in the art are seeking a kind of instrument improving this problem or method for a long time always.
Given this, designer of the present utility model is by long-term exploration and trial, and experiment repeatedly and effort, constantly reform and innovation, devise a kind of flood control shutter door, owing to adopting the hook-shape structure being mutually clamped to connect between door sheet 102, engage more firm, compared with prior art, need not compressing by auxiliary cylinder, can realize a sheet 102 and engage, structure is simpler, manufacture simplicity, will not clipping to the hands of people when drop-down, easy to operate, security performance is higher, and engage firmly, improve water resistance.
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection. Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model, but is merely representative of selected embodiment of the present utility model. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Embodiment
Refer to Fig. 1 and Fig. 2, present embodiments provide a kind of flood control shutter door, this flood control shutter door includes door-plate 101, door-plate 101 is in turn connected to form by some sheets 102, the two ends of door sheet 102 are respectively arranged in frame 103 and can slide in frame 103, the storage device 104 being provided above for receiving a sheet 102 of door-plate 101, the hook-shape structure passing through between end in opposite directions to be mutually clamped of any two door sheet 102 connects.
The flood control shutter door that the present embodiment provides, owing to adopting the hook-shape structure being mutually clamped to connect between door sheet 102, engages more firm, compared with prior art, two auxiliary cylinders are eliminated, it is not necessary to auxiliary cylinder compresses, a sheet 102 can be realized engage, structure is simpler, manufactures simplicity, will not clip to the hands of people when drop-down, operation is very easy for switch gate, security performance is higher, and engages firmly, improves water resistance.
Above-described embodiment provide flood control shutter door technical scheme basis on, further, refer to Fig. 2, one end of door sheet 102 is provided with the first hook portion 105, being provided with this sheet 102 on the door sheet 102 that one end of first hook portion 105 is adjacent and be provided with the second hook portion 106, the first hook portion 105 and the second hook portion 106 are oppositely arranged and are mutually clamped.
By arranging the first hook portion 105 and the second hook portion 106, the first hook portion 105 engages in opposite directions with the second hook portion 106, makes the connection of adjacent two door sheets 102 form handshaking type snap fit, it is more firm to engage, will not tong, easy to operate, improve security performance.
Referring to Fig. 2 and Fig. 3, be provided with open type and seal structure 107 between two door sheets 102 of arbitrary neighborhood, open type seals structure 107 and is arranged at the position relative with hook-shape structure.
Open type is adopted to seal structure 107, when making door-plate 101 be subject to hydraulic pressure, effective waterproof action can be played at opening part, and it is relative with the position of hook-shape structure that open type seals structure 107, namely both of which is arranged at the position between adjacent two door sheets 102, and open type seals structure 107 and is arranged at the position towards outside, hook-shape structure is disposed in proximity to the position of inner side, both positions are relative, so, form two-layer waterproof construction from outside to inside, further increase the water resistance of door-plate 101. Compared with prior art, side pressure oil cylinder is eliminated, it is not necessary to use the side pressure oil cylinder just can waterproof effectively.
Refer to Fig. 3, open type seals structure 107 and includes two seals 108 and sealing strip 109, it is provided with opening between two seals 108, sealing strip 109 is arranged at opening part, two seals 108 are connected by sealing strip 109, and seal 108 is connected with door sheet 102 away from one end of sealing strip 109.
Being provided with opening between two seals 108, this opening is sealed by sealing strip 109, forms open type and seals structure 107, and when this opening part is subject to hydraulic pressure, sealing strip 109 can play effective waterproof action. Employing open type designs so that even if hydraulic pressure is very big, sealing strip 109 also can only be made to deform, without there being water to pass through from this opening, make the sealing effectiveness between adjacent two door sheets 102 better, thus being greatly improved the water resistance of whole flood control shutter door, being truly realized and can control flood.
Referring to Fig. 3, sealing strip 109 is arc and caves in the inner side of door-plate 101. Sealing strip 109 is the arc of indent, even if hydraulic pressure is very big, sealing strip 109 also is able to the deformation that caves inward, and absorbs more hydraulic pressure, without making water pass through from opening, further increases sealing effectiveness.
Referring to Fig. 3, two seals 108 are respectively arranged with extension bar 110 at opening part, and two extend bar 110 and are oppositely arranged, and extension bar 110 extends towards the outside of door-plate 101.
By arranging extension bar 110, it is possible to when water slug door-plate 101, playing certain cushioning effect, reducing the hydraulic pressure impacting sealing strip 109, thus improving sealing property.
Referring to Fig. 3, seal 108 is provided with circular mounting portion 111 away from one end of sealing strip 109, and circular mounting portion 111 is connected with door sheet 102.
By arranging circular mounting portion 111, it is possible to be connected with door sheet 102 very securely, water will not pass through from both junctions, further increases sealing property.
Referring to Fig. 4, the two ends of door sheet 102 are respectively arranged with bearing 112, and door sheet 102 is connected by axle is fixing with bearing 112, is provided with slide rail 113 in frame 103, and the outer ring of bearing 112 and slide rail 113 are slidably connected.
Bearing 112 can be fixed with each sheet 102 so that this flood control shutter door rocks limited, and door-plate 101 will not dangle when pulling down, and stability is better, thus preventing from, because rocking, drainage occurs.
Refer to Fig. 1 and Fig. 4, storage device 104 includes chain 114, volume brake mechanism and driving device, and chain 114 is arranged in frame 103, and chain 114 is connected with driving device, volume brake mechanism is connected with driving device, and the axle of bearing 112 is connected with by chain 114 is fixing with door sheet 102.
In the present embodiment, volume brake mechanism is existing structure, as long as being capable of receiving door sheet 102. It addition, the general designation that driving device is the power set that can drive volume brake mechanism and chain 114, for instance driving device can be motor.
Driving device can drive chain 114 to move, by door sheet 102 successively pull-up or put down, and drive volume brake mechanism work received successively by door sheet 102 or discharge, in this process, bearing 112 can pass through chain 114 all the time to be fixed with door sheet 102, thus preventing the sheet 102 from producing to rock in the process moved up and down.
Referring to Fig. 4, the both sides inwall of frame 103 is respectively arranged with bolster 115 and connecting rod 116, one end of connecting rod 116 is fixing with frame 103 to be connected, and the other end and bolster 115 are rotationally connected, and door sheet 102 is arranged between bolster 115.
By arranging bolster 115, in the process that door sheet 102 moves up and down, bolster 115 can prevent the sheet 102 from rocking further, improves water resistance.
Refer to Fig. 1��Fig. 4, at least having the advantage that of the flood control shutter door that the present embodiment provides
1. between two door sheets 102 of arbitrary neighborhood, adopt handshaking type snap fit to connect, it is more firm to engage, will not tong, security performance is higher, compared with prior art, eliminate two auxiliary cylinders, operation is very easy for switch gate, and structure is simpler, manufactures simplicity, engaging firmly, improves water resistance.
2. have employed open type and seal structure 107 so that when door-plate 101 is subject to hydraulic pressure, sealing strip 109 can play effective waterproof action, compared with prior art, eliminates side pressure oil cylinder, it is not necessary to use the side pressure oil cylinder just can waterproof effectively.
3. by the fixing sheet 102 of bearing 112 so that this flood control shutter door rocks limited, good stability, it is prevented that leak.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the equipment of instruction or hint indication or element 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 " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features. In description of the present utility model, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them. And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of fisrt feature level height less than second feature.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.

Claims (10)

1. a flood control shutter door, it is characterized in that, including door-plate, described door-plate is in turn connected to form by some sheets, the two ends of described door sheet are respectively arranged in frame and can slide in described frame, the storage device being provided above for receiving described door sheet of described door-plate, the hook-shape structure passing through between end in opposite directions to be mutually clamped of any two door sheet connects.
2. flood control shutter door according to claim 1, it is characterized in that, one end of described door sheet is provided with the first hook portion, being provided with this sheet on the door sheet that one end of the first hook portion is adjacent and be provided with the second hook portion, described first hook portion and described second hook portion are oppositely arranged and are mutually clamped.
3. flood control shutter door according to claim 1, it is characterised in that being provided with open type between the described door sheet of arbitrary neighborhood two and seal structure, described open type seals structure and is arranged at the position relative with described hook-shape structure.
4. flood control shutter door according to claim 3, it is characterized in that, described open type seals structure and includes two seals and sealing strip, it is provided with opening between two described seals, described sealing strip is arranged at described opening part, two described seals are connected by described sealing strip, and described seal is connected with described door sheet away from one end of described sealing strip.
5. flood control shutter door according to claim 4, it is characterised in that described sealing strip is arc and caves in the inner side of described door-plate.
6. flood control shutter door according to claim 5, it is characterised in that two described seals are respectively arranged with extension bar at described opening part, two described extension bars are oppositely arranged, and described extension bar extends towards the outside of described door-plate.
7. flood control shutter door according to claim 4, it is characterised in that described seal is provided with circular mounting portion away from one end of described sealing strip, and described circular mounting portion is connected with described door sheet.
8. flood control shutter door according to claim 1, it is characterized in that, the two ends of described door sheet are respectively arranged with bearing, and described door sheet is connected by axle is fixing with described bearing, being provided with slide rail in described frame, the outer ring of described bearing and described slide rail are slidably connected.
9. flood control shutter door according to claim 8, it is characterized in that, described storage device includes chain, volume brake mechanism and driving device, described chain is arranged in described frame, described chain is connected with described driving device, described volume brake mechanism is connected with described driving device, and the axle of described bearing is connected with by described chain and described door sheet are fixing.
10. flood control shutter door according to claim 8, it is characterized in that, the both sides inwall of described frame is respectively arranged with bolster and connecting rod, one end of described connecting rod is fixing with described frame to be connected, the other end and described bolster are rotationally connected, and described door sheet is arranged between described bolster.
CN201520950995.8U 2015-11-25 2015-11-25 Flood control shutter door Withdrawn - After Issue CN205296089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520950995.8U CN205296089U (en) 2015-11-25 2015-11-25 Flood control shutter door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520950995.8U CN205296089U (en) 2015-11-25 2015-11-25 Flood control shutter door

Publications (1)

Publication Number Publication Date
CN205296089U true CN205296089U (en) 2016-06-08

Family

ID=56462576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520950995.8U Withdrawn - After Issue CN205296089U (en) 2015-11-25 2015-11-25 Flood control shutter door

Country Status (1)

Country Link
CN (1) CN205296089U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105332361A (en) * 2015-11-25 2016-02-17 上海台电机械有限公司昆山分公司 Rolling floodgate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105332361A (en) * 2015-11-25 2016-02-17 上海台电机械有限公司昆山分公司 Rolling floodgate

Similar Documents

Publication Publication Date Title
CN205296089U (en) Flood control shutter door
CN201018203Y (en) Double-layer seal structure of box type transformer station door
CN105332361B (en) Flood control shutter door
CN203188856U (en) Sliding door sealing strip
CN202810545U (en) Novel hinged door
CN107654683A (en) Vacuum tank closure
CN207742042U (en) A kind of two-way butterfly valve hydraulic pressure testing equipment
CN202530974U (en) Egress door structure for contact channel of transit tunnel
CN204716069U (en) Novel underground room to block water door gear without sill
CN201486433U (en) High airtightness push-pull door-window sealing strip
CN206280628U (en) Water pipe head
CN203980779U (en) A kind of refrigerator door
CN205314889U (en) Haze -resistant screen window
CN205100783U (en) Promote window
CN203531660U (en) Sliding window
CN203721530U (en) Capacitor bank grounding knife switch mechanism
CN205417442U (en) Vehicle door sealing structure
CN207260860U (en) 75 P series glass fan-shaped material of steel window structures
CN207207704U (en) Pivot frame inside and outside frame-type
CN205654265U (en) Plastic -aluminum aluminium door and window sealing device
CN202645292U (en) Structure on upward side of aluminum alloy door and window
CN206801369U (en) A kind of sliding door
CN205654266U (en) Plastic -aluminum aluminium door and window seal structure
CN201738763U (en) Door bottom sealing device
CN205778186U (en) A kind of moveable house case monoblock type outward swinging door

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20160608

Effective date of abandoning: 20170616