CN206367704U - Card card case is deposited in one kind encryption - Google Patents

Abstract

Card card case, including casing, bottom lid, electric-controlled plate, electromagnetic lock, pressure locking plate module, locking plate, pintle hook lock module and pressure card module are deposited the utility model discloses one kind encryption；Casing is arranged on bottom and covered, imported and exported between the front portion of casing and bottom lid provided with a card, bottom is covered provided with the first opening, electric-controlled plate, electromagnetic lock, pressure locking plate module and locking plate are arranged in casing, the pintle hook lock module is arranged on the bottom in casing, and the pressure card module is arranged in casing on the position above pintle hook lock module；The electromagnetic lock is connected with electric-controlled plate；The pressure locking plate module is used for when electromagnetic lock is closed, and drives locking plate to decline, card is imported and exported closing, when electromagnetic lock is opened, drives locking plate to rise under the cooperation of external equipment, card is imported and exported opening.The utility model is simple in construction, easy to use, and storage certificate card can be encrypted, it is ensured that the information on certificate card will not be revealed.

Description

Card card case is deposited in one kind encryption

Technical field

The utility model is related to a kind of card case, and card card case is deposited in especially a kind of encryption, belongs to certificate card memory technology neck Domain.

Background technology

Certificate card such as identity card, residence permit, Hongkong and Macro's pass etc., are everyone important proof of identification materials.Certificate There are substantial amounts of personal private information, such as name, sex, ID card No., native place, contact method on card, once let out Dew, it will the personal information security of the infringement masses, can be serious if masses' personal information is used for unlawful activities by criminal The peace of influence country is stabilized.

Existing certificate card, typically after provincial accreditation center all makes and finished, passes through the side of artificial go-on-go Formula, carries out after go-on-go, go-on-go according to certificate institute possession, each certificates handling Room is sent to by logistics system.Take card in each certificates handling Room After part card, then it is distributed to the corresponding masses one by one, whole distribution procedure is related to go-on-go, logistic storage, express transportation, done Multiple links such as the Room is received, the certificates handling Room is provided are demonstrate,proved, each link is handled by different personnel, true without a kind of Security Assurance Mechanism Protect information not reveal, there is serious potential safety hazard.

Therefore, after to certificate card go-on-go, and, it is necessary to certificate card before certificate card is sent to each certificates handling Room Storage is encrypted in piece, it is ensured that the information on certificate card will not be revealed.

Utility model content

The purpose of this utility model is to deposit card card case to overcome the defect of above-mentioned prior art to be encrypted there is provided one kind, The card box structure is simple, easy to use, and storage certificate card can be encrypted.

The purpose of this utility model can be reached by adopting the following technical scheme that：

Card card case, including casing, bottom lid, electric-controlled plate, electromagnetic lock, pressure locking plate module, locking plate, pintle hook lock mould are deposited in one kind encryption Block and pressure card module；

The casing is arranged on bottom and covered, and is imported and exported between the front portion of casing and bottom lid provided with a card, described Bottom is covered provided with the first opening, and the electric-controlled plate, electromagnetic lock, pressure locking plate module and locking plate are arranged in casing, the pintle hook lock Module is arranged on the bottom in casing, and the pressure card module is arranged in casing on the position above pintle hook lock module；

The electromagnetic lock is connected with electric-controlled plate；The pressure locking plate module is used for when electromagnetic lock is closed, and drives locking plate to decline, Card is imported and exported closing, when electromagnetic lock is opened, drive locking plate to rise under the cooperation of external equipment, import and export card and beat Open；The pintle hook lock module is used to card being locked in casing；The pressure card module is used to push down the card being locked in casing, And the card that will lock into casing is depressed into downwards bottom half.

Further, the pressure locking plate module includes pressing down section and compression spring, and when electromagnetic lock is closed, pressing down section passes through Compression spring drives locking plate to decline, and card is imported and exported closing, when electromagnetic lock is opened, compression spring is upspring, and is set in outside Drive locking plate to rise under standby cooperation, card is imported and exported opening.

Further, the pintle hook lock module includes four pintle hook lock drift angles and two drift angle fixed blocks, and described two drift angles are consolidated Determine the right and left that block is separately positioned on casing inner bottom part, two of which pintle hook lock drift angle is distributed on the drift angle fixed block on the left side, And connected by spring and the drift angle fixed block on the left side, two other pintle hook lock drift angle is distributed on the drift angle fixed block on the right, and Connected by spring and the drift angle fixed block on the right.

Further, the card case also includes two communication connectors, and described two communication connectors are arranged in casing Bottom, and be connected respectively with electric-controlled plate, the middle part of two drift angle fixed blocks is each passed through at the top of two communication connectors；The case Bottom is additionally provided with two second openings on the corresponding position of two communication connectors.

Further, the pressure card module includes pressure clamp, four pressure card guide rods and four pressure card springs, the pressure clamp It can be moved up and down in casing, the right and left of pressure clamp is respectively provided with two protuberances, and the protuberance, which is provided with, to block pressure The hole that guide rod is passed through, every pressure card guide rod is set in a pressure card spring, and two of which pressure card guide rod is left through pressure clamp The hole of side protuberance, two other pressure card guide rod passes through the hole of protuberance on the right of pressure clamp, the two ends of four pressures card guide rod It is fixed in casing.

Further, the card case also includes the first mechanical lock, and it is anterior that first mechanical lock is arranged on casing, and with lock Piece is connected, and the lifting for controlling locking plate opens or closes card import and export.

Further, the card case also includes the second mechanical lock, and second mechanical lock is arranged on the rear portion of casing, is used for Bottom lid is opened in locking.

Further, the card case also includes rotating bar, and the rotating bar is located at card and imports and exports top, and rotating bar runs through Casing, and the two ends of rotating bar rotate with the arranged on left and right sides of bottom lid be connected respectively, after the second mechanical lock is opened, bottom lid Relative to casing opening is rotated down around rotating bar.

Further, the casing includes outer outlet body and interior cover body, the electric-controlled plate, electromagnetic lock, pressure locking plate module and lock Piece is arranged on interior cover body, and the pintle hook lock module is arranged on the bottom of interior cover body, and the pressure card module is arranged on inner cover position On position above the pintle hook lock module, the interior cover body is placed in outer outlet body.

Further, the card case also includes handle, and the two ends of the handle are rotated with the arranged on left and right sides of casing respectively to be connected Connect.

The utility model has following beneficial effect relative to prior art：

1st, electric-controlled plate of the present utility model can realize the function of information encryption and information storage, and card is filled with casing Afterwards, electric-controlled plate can send out code to electromagnetic lock, close electromagnetic lock, now press locking plate module to drive locking plate to decline, make card Piece, which is imported and exported, closes, with the card in guard box body, it is ensured that the information on card will not be revealed, when external equipment is complete with electric-controlled plate During checking legal into identity, electric-controlled plate can send open command to electromagnetic lock, open electromagnetic lock, now press locking plate module outside Drive locking plate to rise under the cooperation of portion's equipment (such as card sorting equipment, card delivery apparatus), card is imported and exported opening, to deposit Put card or take out card.

2nd, bottom of the utility model in casing is provided with pintle hook lock module, and the pintle hook lock module includes four pintle hook lock drift angles and two Individual drift angle fixed block, two pintle hook lock drift angles are distributed on a drift angle fixed block, and pass through spring and the drift angle fixed block on the left side Connection, two other pintle hook lock drift angle is distributed on another drift angle fixed block, and is connected by spring and the drift angle fixed block on the right Connect, after card enters the bottom of casing, four pintle hook lock drift angles receive outside thrust and flicked, such as card thrust, outside other Portion's equipment thrust etc., after card rises to the position for leaving four pintle hook lock drift angles, four pintle hook lock drift angles rely on spring reset, from And card is locked in casing, it is ensured that card will not fall from top to bottom.

3rd, the utility model is located in casing provided with pressure card module on pintle hook lock module top position, and the pressure card module includes Clamp, four pressure card guide rods and four pressure card springs are pressed, after card is stored in, pressure clamp can be moved up along pressure card guide rod, Press card spring to press upwards simultaneously, prevent card is put into after card case from loosening up and down at random, when needing to take out card, pass through outside Thrust flicks pintle hook lock drift angle, and pressure clamp is moved down along pressure card guide rod, is stored under the downward pressure of pressure card spring Card is depressed into downwards bottom half, in the presence of outside card delivery apparatus, by exterior roller by a card toward card Import and export are seen off, realize the taking-up of card.

4th, the utility model is in the front portion of casing provided with a mechanical lock, and the mechanical lock is connected with locking plate, can control lock The lifting of piece, so as to open or close card import and export, the mechanical lock is used when power-off or electromagnetic lock are broken down, the machinery Lock unlocking mode is that its corresponding key need to be by specified Gao Quan to take out the card in casing and alternative artificial unlocking mode Limit staff holds, that is to say, that the authority of strict control user, it is ensured that in the case of without permission, anyone is not Card can be taken out from casing, to ensure the safety of card image.

5th, the utility model is at the rear portion of casing provided with a mechanical lock, and the mechanical lock can lock or open bottom lid, When staff needs to put card, and side is not when having external equipment, can open the mechanical lock, bottom lid relative to casing around Rotating bar rotates down opening, and now staff can carry out manually putting card.

6th, card case surface of the present utility model can be carved with card container serial number, and top is with anterior reserved location stickup paper or just Bar, is easy to manual identified, and card case sequence can be passed through by naked eyes intuitively identification card case information by the paper or note of stickup Number, it can be associated from the core system record information of certification and obtain corresponding card case situation.

Brief description of the drawings

Fig. 1 deposits card card case dimensional structure diagram for the encryption of the utility model embodiment 1.

Fig. 2 deposits card card case forward plane structural representation for the encryption of the utility model embodiment 1.

Fig. 3 deposits card card case rearward plane structural representation for the encryption of the utility model embodiment 1.

Fig. 4 deposits card card case volume rendering structural representation for the encryption of the utility model embodiment 1.

Fig. 5 deposits card card case explosive view for the encryption of the utility model embodiment 1.

Wherein, 1- casings, 2- bottom lids, 3- handles, 4- electric-controlled plates, 5- electromagnetic locks, 6- pressure locking plate modules, 7- locking plates, 8- First mechanical lock, the mechanical locks of 9- second, 10- rotating bars, 11- communication connectors, 12- cards are imported and exported, and 13- first is open, under 14- Splenium, 15- compression springs, 16- pintle hook lock drift angles, 17- drift angle fixed blocks, 18- pressure clamps, 19- pressure card guide rods, 20- pressure card springs, 21- second is open, 22- outer outlet bodies, cover body in 23-.

Embodiment

The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model Mode not limited to this.

Embodiment 1：

Card card case is deposited in the encryption of the present embodiment to be used to deposit various certificate cards (hereinafter referred to as card), such as identity card, residence Firmly card, Hongkong and Macro's pass etc..

As Figure 1-Figure 5, the encryption of the present embodiment deposit card card case including casing 1, bottom lid 2, handle 3, electric-controlled plate 4, Electromagnetic lock 5, pressure locking plate module 6, locking plate 7, the first mechanical lock 8, the second mechanical lock 9, rotating bar 10, communication connector 11, pintle hook lock mould Block and pressure card module, are imported and exported on 12, the bottom lid 2 between the front portion of the casing 1 and bottom lid 2 provided with a card Provided with the first opening 13, from fig. 5, it is seen that first opening 13 of the present embodiment has three, the shape of the first opening 13 can To design according to actual needs, there is sufficient space to promote the card of the bottom of casing 1.

CPU (Central Processing Unit, central processing unit) is integrated with the electric-controlled plate 4, can be by logical News joint 11 is communicated with external equipment (can be card sorting equipment or card delivery apparatus), can realize that information is encrypted The function of being stored with information, it uses 3DES (Data Encryption Standard, data encryption standards) encryption and decryption logic Unit is encrypted, and with unique identity, only when external equipment is with the legal checking of card case completion identity, just permits Card is put into or taken out, possesses higher security；Being equipped with 8M Byte flash storage chips is used to preserve data, has such as deposited Enter number of cards, passport NO. list and card case to prepare to be sent to place etc.；In addition, electric-controlled plate 4 can control the switch of electromagnetic lock 5 State.

The electromagnetic lock 5 is connected with electric-controlled plate 4, and its on off state is controlled by the instruction of electric-controlled plate 4, and card is filled with casing 1 After piece, electric-controlled plate 4 can send out code to electromagnetic lock 5, close electromagnetic lock 5, when the electric-controlled plate 4 of external equipment and card case is complete During checking legal into identity, electric-controlled plate 4 can send open command to electromagnetic lock 5, open electromagnetic lock 5.

The pressure locking plate module 6 includes pressing down section 14 and compression spring 15, when electromagnetic lock 5 is closed, according to electromagnetic lock 5 Principle, is now magnetic, and pressing down section 14 has the power being pressed downward, and pressing down section 14 drives locking plate 7 to decline by compression spring 15, Make card import and export 12 to close, to protect the card in casing 1, when electromagnetic lock 5 is opened, according to the principle of electromagnetic lock 5, now There is no magnetic, compression spring 15 is upspring, because external equipment is importing and exporting 12 contact positions provided with for promoting locking plate 7 with card The raised points snap switch risen, under the cooperation of external equipment, can drive locking plate 7 to rise, and card is imported and exported 12 and open, this In set based on security mechanism, even if there is the information for obtaining authentication, but the cooperation without external equipment can not Locking plate 7 is opened, now outside card can import and export 12 from card and enter in casing 1, or the card in casing 1 can be from card Piece is imported and exported 12 and sent out outside casing 1.

First mechanical lock 8 is arranged on the front portion of casing 1, and is connected with locking plate 7, for controlling the lifting of locking plate 7 to beat Open or close and close card import and export 12, ordinary circumstance just makes without using the mechanical lock when only power-off or electromagnetic lock 5 are broken down With the unlocking mode of the first mechanical lock 8 is its corresponding key to take out the card in casing 1 and alternative artificial unlocking mode Spoon need to be held by specified high authority staff, that is to say, that the authority of strict control user, it is ensured that unwarranted In the case of, anyone can not take out card from casing 1, to ensure the safety of card image.

Second mechanical lock 9 is arranged on the rear portion of casing 1, for locking or opening bottom lid 2, the rotating bar 10 12 tops are imported and exported in card, rotating bar 10 runs through casing 1, and the two ends arranged on left and right sides respectively with bottom lid 2 of rotating bar 10 Connection is rotated, after the second mechanical lock 9 opening, bottom lid 2 rotates down opening relative to casing 1 around rotating bar 10, and work people Member can carry out manually putting card.

The pintle hook lock module is used to card being locked in casing 1, including four pintle hook lock drift angles 16 and two drift angles are fixed Block 17, described two drift angle fixed blocks 17 are separately positioned on the right and left of the inner bottom part of casing 1,16 points of two of which pintle hook lock drift angle Cloth is connected on a drift angle fixed block 17, and by the drift angle fixed block 17 on spring and the left side, two other pintle hook lock drift angle 16 It is distributed on another drift angle fixed block 17, and is connected by the drift angle fixed block 17 on spring and the right；When card enters casing 1 Bottom after, touch card from the bottom up on the first 13 positions of opening of bottom lid 2 and (can manually promote, can also pass through Push up card device promote), now four pintle hook lock drift angles 16 by card thrust, top card device thrust and flick, when card rises to Behind the position for leaving four pintle hook lock drift angles 16, four pintle hook lock drift angles 16 rely on spring reset, so that card is locked in into casing 1 It is interior, it is ensured that card will not fall from top to bottom；When needing card taking, four pintle hook lock drift angles 16 can also pushing away in other external equipments Flicked under power.

The card that the pressure card module is locked in casing 1 for pushing down, and the card that will lock into casing 1 are downward Be depressed into the bottom of casing 1, prevent card put into card case after up and down loosen it is at random, it is described pressure card module include pressure clamp 18, four pressure Card guide rod 19 and four pressure card springs 20, the pressure clamp 18 can be moved up and down in casing 1, press the right and left of clamp 18 each Provided with two protuberances, the protuberance is provided with that can make the hole that pressure card guide rod 19 is passed through, and every pressure card guide rod 19 is set in one In root pressure card spring 20, and two of which pressure card guide rod 19, through the hole of the pressure left side protuberance of clamp 18, two other pressure card is led Bar 19 is fixed in casing 1 through the hole of the pressure the right protuberance of clamp 18, the two ends of four pressure cards guide rod 19；When card is deposited After entering and (being locked in by pintle hook lock drift angle 16 in casing 1), pressure clamp 18 can be moved up along pressure card guide rod 19, while pressing card bullet Spring 20 is pressed upwards, when needing to take out card, is flicked pintle hook lock drift angle 16 by outside thrust, and pressure clamp 18 is in pressure card spring Under 20 downward pressure, moved down along pressure card guide rod 19, the card being stored into is depressed into downwards the bottom of casing 1, in external card In the presence of piece delivery apparatus, one card is imported and exported 12 toward card by exterior roller and seen off, the taking-up of card is realized, When all cards all take out, pressure card spring 20 resets.

The communication connector 11 is reserved two, is used for and peripheral device communication, when external equipment is card sorting equipment, After connection upper clamp slice sorting equipment, card sorting equipment automatically can believe card according to type of card, card institute possession etc. Breath carries out go-on-go and is put into casing 1；When external equipment is card delivery apparatus, after connection upper clamp slice delivery apparatus, warp After system authentication mandate, it is allowed to take out card, without artificial unlocking, card delivery apparatus can automatic batch taking-up casing 1 Interior card；Two communication connectors 11 are arranged at the bottom in casing 1, and are connected respectively with electric-controlled plate 4, in order that casing 1 Bottom has sufficient space to be put into card, and the top of two communication connectors 11 of the present embodiment is each passed through two drift angle fixed blocks 17 Middle part；The bottom lid 2 is additionally provided with two second openings 21 on two corresponding positions of communication connector 11.

The casing 1 is made of 316 stainless steels of 2mm thickness, can store 200 card (using card thickness as 0.95mm is calculated), including outer outlet body 22 and interior cover body 23, from fig. 5, it is seen that electric-controlled plate 4, electromagnetic lock 5, pressure locking plate module 6 and locking plate 7 be arranged on interior cover body 23, pintle hook lock module (four pintle hook lock drift angles 16 and two drift angle fixed blocks 17) and two it is logical News joint 11 is arranged at the bottom of interior cover body 23, pressure card module (pressure clamp 18, four pressure card guide rods 19 and four pressure card springs 20) interior cover body 23 is arranged on the position above pintle hook lock module, and the interior cover body 23 is placed in outer outlet body 22, the outer cover The surface of body 22 can be carved with card container serial number, and top and anterior reserved location paste paper or note, be easy to manual identified, pass through The paper or note of stickup can be by naked eyes intuitively identification card case information, and by card container serial number, the core system from certification is standby It can be associated in case information and obtain corresponding card case situation；The two ends of the handle 3 are rotated with the arranged on left and right sides of casing 1 respectively to be connected Connect, from Fig. 1~Fig. 4 it can be seen that, handle 3 can turn to rear portion from front portion, can also be from posterior rotation to front portion, when carrying When hand 3 turns to top center, staff to card case can guide and support moving.

Embodiment 2：

The present embodiment is mainly characterized by：The arranged on left and right sides of the bottom lid 2 is fixed by screws in the left and right of casing 1 Both sides, are not provided with rotating bar 10, open after the second mechanical lock 9, screw, which is unscrewed, can separate casing 1 and bottom lid 2, work Personnel can carry out manually putting card, put after card again by screw-driving, bottom lid 2 is fixed on into the bottom of casing 1, and close the second machine Tool lock 9.Remaining be the same as Example 1.

In summary, electric-controlled plate of the present utility model can realize the function that information encryption and information are stored, and be deposited in casing After full card, electric-controlled plate can send out code to electromagnetic lock, close electromagnetic lock, now press locking plate module to drive under locking plate Drop, make card import and export closing, with the card in guard box body, it is ensured that the information on card will not be revealed, when external equipment with When electric-controlled plate completes identity legal checking, electric-controlled plate can send open command to electromagnetic lock, open electromagnetic lock, now press locking plate Module drives locking plate to rise under the cooperation of external equipment (such as card sorting equipment, card delivery apparatus), imports and exports card Open, with storing card or taking-up card.

It is described above, only the utility model patent preferred embodiment, but the utility model patent protection domain simultaneously This is not limited to, any one skilled in the art is in the scope disclosed in the utility model patent, according to this Technical scheme and its utility model patent design of utility model patent are subject to equivalent substitution or change, belong to the utility model The protection domain of patent.

Claims (10)

1. card card case is deposited in one kind encryption, it is characterised in that：Including casing, bottom lid, electric-controlled plate, electromagnetic lock, pressure locking plate module, lock Piece, pintle hook lock module and pressure card module；

The casing is arranged on bottom and covered, and is imported and exported between the front portion of casing and bottom lid provided with a card, the bottom Cover provided with the first opening, the electric-controlled plate, electromagnetic lock, pressure locking plate module and locking plate are arranged in casing, the pintle hook lock module The bottom in casing is arranged on, the pressure card module is arranged in casing on the position above pintle hook lock module；

The electromagnetic lock is connected with electric-controlled plate；The pressure locking plate module is used for when electromagnetic lock is closed, and drives locking plate to decline, makes card Piece, which is imported and exported, closes, and when electromagnetic lock is opened, drives locking plate to rise under the cooperation of external equipment, card is imported and exported opening； The pintle hook lock module is used to card being locked in casing；The pressure card module is used to push down the card being locked in casing, with And the card that will lock into casing is depressed into downwards bottom half.

2. card card case is deposited in a kind of encryption according to claim 1, it is characterised in that：The pressure locking plate module includes pressing down section And compression spring, when electromagnetic lock is closed, pressing down section drives locking plate to decline by compression spring, card is imported and exported closing, When electromagnetic lock is opened, compression spring is upspring, and drives locking plate to rise under the cooperation of external equipment, card is imported and exported opening.

3. card card case is deposited in a kind of encryption according to claim 1, it is characterised in that：The pintle hook lock module includes four pintle hook locks Drift angle and two drift angle fixed blocks, described two drift angle fixed blocks are arranged on the right and left of casing inner bottom part, two of which lock Card drift angle is distributed on the drift angle fixed block on the left side, and is connected by spring and the drift angle fixed block on the left side, two other pintle hook lock Drift angle is distributed on the drift angle fixed block on the right, and is connected by spring and the drift angle fixed block on the right.

4. card card case is deposited in a kind of encryption according to claim 3, it is characterised in that：The card case also connects including two communications Head, described two communication connectors are arranged at the bottom in casing, and are connected respectively with electric-controlled plate, the top of two communication connectors It is each passed through the middle part of two drift angle fixed blocks；The bottom is covered is additionally provided with two on the corresponding position of two communication connectors Two openings.

5. card card case is deposited in a kind of encryption according to claim 1, it is characterised in that：It is described pressure card module include pressure clamp, Four pressure card guide rods and four pressure card springs, the pressure clamp can be moved up and down in casing, and the right and left of pressure clamp is respectively set There are two protuberances, the protuberance is provided with that can make the hole that pressure card guide rod is passed through, and every pressure card guide rod is set in a pressure card In spring, and two of which pressure card guide rod, through the hole of pressure clamp left side protuberance, two other pressure card guide rod passes through pressure clamp The hole of the right protuberance, the two ends of four pressures card guide rod are fixed in casing.

6. card card case is deposited in a kind of encryption according to claim any one of 1-5, it is characterised in that：The card case also includes the One mechanical lock, first mechanical lock is arranged on casing front portion, and is connected with locking plate, and the lifting for controlling locking plate, which is beaten, to be opened or closed Close card import and export.

7. card card case is deposited in a kind of encryption according to claim any one of 1-5, it is characterised in that：The card case also includes the Two mechanical locks, second mechanical lock is arranged on the rear portion of casing, for locking or opening bottom lid.

8. card card case is deposited in a kind of encryption according to claim 7, it is characterised in that：The card case also includes rotating bar, institute State rotating bar positioned at card import and export top, rotating bar run through casing, and rotating bar two ends respectively with bottom lid left and right two Side rotates connection, and after the second mechanical lock opening, bottom lid rotates down opening relative to casing around rotating bar.

9. card card case is deposited in a kind of encryption according to claim any one of 1-5, it is characterised in that：The casing includes outer cover Body and interior cover body, the electric-controlled plate, electromagnetic lock, pressure locking plate module and locking plate are arranged on interior cover body, and the pintle hook lock module is set Put in the bottom of interior cover body, the pressure card module is arranged on inner cover body on the position above pintle hook lock module, the interior cover body It is placed in outer outlet body.

10. card card case is deposited in a kind of encryption according to claim any one of 1-5, it is characterised in that：The card case also includes Handle, the two ends of the handle are rotated with the arranged on left and right sides of casing respectively to be connected.