CN108582785A - A kind of novel servo driving 3D printer based on gel - Google Patents

Abstract

The invention discloses a kind of, and the novel servo based on gel drives 3D printer, including the babinet being open to the left, the top of the box end face is fixedly connected with illumination body, the first cavity is equipped in the babinet, first cavity rear is equipped with the second cavity, first cavity bottom is communicated equipped with third cavity, third cavity rear and front end is communicated equipped with symmetrical second sliding groove, third cavity right is equipped with the 4th cavity, it is installed with the second motor in the 4th cavity right end inner wall, the lifter plate being located at below first sliding shoe is equipped with above the third cavity；The configuration of the present invention is simple, it is easy to operate, it is moved easily and carries, meanwhile, improve the working efficiency and effect of 3D printer.

Description

A kind of novel servo driving 3D printer based on gel

Technical field

The present invention relates to industrial design field, specifically a kind of novel servo based on gel drives 3D printer.

Background technology

With the development of science and technology, social progress, country promotes always high-tech development, therefore the requirement of printer is not It is disconnected to improve.But in the technical field of industrial design, the technical barrier for being badly in need of solving there are one, exactly 3D printer work Safe and stable and orderly, this device efficiently solves the problems, such as this.

Invention content

Technical problem to be solved by the invention is to provide a kind of, and the novel servo based on gel drives 3D printer, energy Enough solve the problems in above-mentioned present technology.

The present invention is achieved through the following technical solutions：A kind of novel servo based on gel of the present invention drives 3D Printer includes the babinet of opening to the left, the first cavity is equipped in the babinet, it is empty that first cavity rear is equipped with second Chamber, is equipped with the first rotation axis that left and right extends in second cavity, described first rotation axis or so extending end and described the Two cavitys or so inner wall is rotatably assorted connection, and symmetrical first bevel gear, institute are fixedly connected in first rotation axis The second bevel gear being fixedly connected in the first rotation axis between two first bevel gears is stated, after second cavity Be installed with the first motor in the inner wall of end, the first motor front end be connected by power have to the second bevel gear The third hand tap gear for engaging connection, is slidably connected with the first sliding shoe in first cavity, in first sliding shoe Screw-thread fit be connected with it is front and back extend and symmetrical first threaded rod, first threaded rod front end extending end with it is described First cavity front inner wall is rotatably assorted connection, and the first screw thread rod rear end extending end is in first cavity rear end Wall and put in second cavity, the first screw thread rod rear end extending end be fixedly connected with to the first bevel gear The 4th bevel gear of connection is engaged, the first sliding being equipped in first sliding shoe between being located at two first threaded rods Slot is slidably connected with the second sliding shoe in first sliding groove, and the second sliding shoe bottom end is fixedly connected with Gel transmitter, the second sliding shoe screw-internal thread fit are connected with the second threaded rod that left and right extends, second threaded rod Right end extending end is rotatably assorted with the first sliding groove right end inner wall and connect, fixed in the first sliding groove left end inner wall There are the second motor, the second motor right end end and the second threaded rod left end extending end be connected by power, it is described First cavity bottom is communicated equipped with third cavity, and third cavity rear and front end is communicated equipped with symmetrical second sliding groove, institute It states third cavity right and is equipped with the 4th cavity, the second motor, second electricity are installed in the 4th cavity right end inner wall Motivation left end end be connected by power has first pulley, and symmetrical third is slidably connected in second sliding groove and is slided Motion block, the third sliding shoe are located at one end screw-internal thread fit in second sliding groove and are connected with the third screw thread that left and right extends Bar, the third threaded rod left end extending end are rotatably assorted with the second sliding groove left end inner wall and connect, the third spiral shell Rasp bar right end extending end is through the second sliding groove right end inner wall and puts in the 4th cavity, and the third threaded rod is right End extending end is fixedly connected with the second belt wheel, by belt be connected by power between second belt wheel and the first pulley, Symmetrical hinged block is fixedly connected on the third sliding shoe, described be hinged on fast is hinged with elevating lever, described in two Elevating lever centre position is hinged by supporting rod, and the lifting being located at below first sliding shoe is equipped with above the third cavity Plate, the lifter plate is interior to be equipped with the 5th cavity that Open Side Down, and the 5th cavity rear and front end is communicated equipped with symmetrical third Sliding groove, the first sliding axle equipped with symmetrical and front and back extension in the 5th cavity prolong before and after first sliding axle It stretches end to put in the third sliding groove and be slidably connected with the third sliding groove, first sliding axle is located at described One end is rotatably assorted with the elevating lever upper end and connect in 5th cavity, and the top of the box end face is fixedly connected with flare-aircraft Body.

Preferably technical solution, babinet right end end face are fixedly connected with servo-driver, the servo-drive Device and first motor, the second motor, third motor Electricity Federation, the babinet left end opening are equipped with door leaf.

Preferably technical solution, the babinet is interior to be equipped with the 6th cavity, and the second rotation is equipped in the 6th cavity Axis, the door leaf is interior equipped with the symmetrical above and below and groove of opening to the right, and the door leaf is interior to be equipped with upper and lower extend and through described recessed The rotation slot of slot is slidably connected with third rotation axis, the third rotation axis and second rotation in the rotation slot It is rotatably assorted between axis and is connected with swingle, the swingle passes through the groove.

Preferably technical solution, the hand of spiral on two first threaded rods is on the contrary, the third threaded rod Left and right two parts screw thread on one section in second sliding groove is on the contrary and front and back corresponding on two third threaded rods Position screw thread is identical.

Preferably technical solution, the third cavity and second sliding groove or so equivalent width.

Preferably technical solution, the illumination body includes the first housing, and first is equipped in the first housing and is shone Bright chamber, the first housing top end surface sliding are matched and are connected with the second housing, the second illumination cavity is equipped in the second housing, It is fixedly connected with headlamp in second illumination cavity, power for illumination motivation, institute are embedded in the first illumination cavity bottom interior wall Stating illumination motor top end be connected by power has the rotary shaft upwardly extended, the rotary shaft top end to run through described first It illumination cavity top inner wall and is fixedly connected with the second housing.

The beneficial effects of the invention are as follows：When being in original state due to the equipment of the present invention, first sliding shoe front end End face is contacted with the first cavity front end surface, the second sliding shoe right end end face and the first sliding groove right end end face It contacts, far from third cavity center one end end face and second sliding groove left and right ends end face on the third sliding shoe Contact, the door leaf are closed, and ensure that printer is clean and tidy and work is orderly.

When needing the 3D printer using the present invention to work, it is first turned on the door leaf, target container is placed on described On lifter plate, the third hand tap gear rotation is driven at this point, closing the door leaf and starting first motor, to make the Plug tap gear drives the first rotation axis rotation, rotation is transmitted to the 4th bevel gear by the first bevel gear, then institute Stating the first threaded rod can drive first sliding shoe to move forward, meanwhile, start second motor and drives described second Threaded rod rotates, and so that the second sliding shoe is moved to the left, when the gel transmitter emission port alignment target container corresponding positions When setting, control first motor, second motor stop operating, at this point, starting the third motor drives institute First pulley rotation is stated, rotation, which is transmitted to second belt wheel, by belt rotates, then described in the third threaded rod drive Third sliding shoe is moved to the third cavity center, passes through distance between two elevating lever bottom ends of elevator drive Become smaller, then distance synchronous becomes smaller between two elevating lever tops, the lifter plate is made to increase, when the lifter plate rises It when to certain position, controls the third motor and stops operating, at this point, starting the servo-driver drives the gel hair Emitter and lifter plate work, when ensureing printer work not by external disturbance and work it is orderly.

At the end of 3D printer works, the servo-driver is closed, then, starts the third motor and drives institute First pulley rotation is stated, so that the lifter plate is declined, when the third sliding shoe is far from third cavity center one end and institute It when stating the contact of the second sliding groove or so inner wall, controls the third motor and stops operating, at this point, starting first motor It drives the third hand tap gear to rotate, so that first sliding shoe is moved forward, when the first sliding shoe front end surface and institute It when stating the contact of the first cavity front inner wall, controls first motor and stops operating, at this point, starting the second motor band The dynamic second threaded rod rotation makes the second sliding shoe to there is movement, when the second sliding shoe right end end face with it is described When second sliding groove left end inner wall contacts, controls second motor and stop operating, open the door leaf at this time, take out target Container ensures each piece safety of printer, stabilization and facilitates taking-up target container.

The device structure of the present invention is simple, easy to operate, can not only ensure that working procedure was stable, orderly, but also can ensure Printer it is safe, clean and tidy, while substantially increasing the working efficiency of printer.

Description of the drawings

The present invention is described in detail by following specific embodiment and attached drawing for ease of explanation,.

Fig. 1 is overall structure signal when a kind of novel servo based on gel of the present invention drives 3D printer non-operation Figure；

Fig. 2 be the present invention Fig. 1 in the directions A-A sectional view；

Fig. 3 be the present invention Fig. 1 in the directions B-B sectional view；

Fig. 4 be the present invention Fig. 1 in the directions C-C sectional view.

Specific implementation mode

As Figure 1-Figure 4, a kind of novel servo based on gel of the invention drives 3D printer, including opening is to the left Babinet 10, be equipped with the first cavity 38 in the babinet 10,38 rear of the first cavity is equipped with the second cavity 47, described second The first rotation axis 48 that left and right extends, first rotation axis, 48 or so extending end and second cavity are equipped in cavity 47 47 or so inner walls are rotatably assorted connection, and symmetrical first bevel gear 45, institute are fixedly connected in first rotation axis 48 State the second bevel gear 51 being fixedly connected in the first rotation axis 48 between two first bevel gears 45, described second Be installed with the first motor 49 in 47 rear end inner wall of cavity, first motor, 49 front end be connected by power have to institute The third hand tap gear 50 of the engagement connection of second bevel gear 51 is stated, the first sliding shoe is slidably connected in first cavity 38 34,34 screw-internal thread fit of the first sliding shoe extends before and after being connected with and symmetrical first threaded rod 32, and described first 32 front end extending end of threaded rod is rotatably assorted with 38 front inner wall of the first cavity and connect, 32 rear end of the first threaded rod Extending end is through first cavity, 38 rear end inner wall and puts in second cavity 47, and 32 rear end of the first threaded rod is prolonged End is stretched to be fixedly connected with to engage the 4th bevel gear 43 of connection, first sliding shoe 34 with the first bevel gear 45 It is interior to be equipped with the first sliding groove 35 being located between two first threaded rods 32, the company of being slidably matched in first sliding groove 35 It is connected to the second sliding shoe 37,37 bottom end of the second sliding shoe is fixedly connected with gel transmitter 36, second sliding 37 screw-internal thread fit of block be connected with left and right extend the second threaded rod 43, second threaded rod, 43 right end extending end with it is described First sliding groove, 35 right end inner wall is rotatably assorted connection, and the second motor is installed in first sliding groove, 35 left end inner wall 33, second motor, 33 right end end and second threaded rod, 43 left end extending end be connected by power, described first is empty 38 bottom of chamber is communicated equipped with third cavity 21, and 21 rear and front end of third cavity is communicated equipped with symmetrical second sliding groove 22, 21 right of third cavity is equipped with the 4th cavity 16, and the second motor 17 is installed in 16 right end inner wall of the 4th cavity, Second motor, 17 left end end be connected by power has first pulley 19, is slidably connected in second sliding groove 22 Symmetrical third sliding shoe 26, the third sliding shoe 26 are located at one end screw-internal thread fit in second sliding groove 22 and connect It is connected to the third threaded rod 20 that left and right extends, 20 left end extending end of the third threaded rod and 22 left end of the second sliding groove Inner wall is rotatably assorted connection, and 20 right end extending end of the third threaded rod is through second sliding groove, 22 right end inner wall and stretches Into the 4th cavity 16,20 right end extending end of the third threaded rod is fixedly connected with the second belt wheel 18, second band By belt be connected by power between wheel 18 and the first pulley 19, it is fixedly connected on the third sliding shoe 26 symmetrical Hinged block 24, be hinged with elevating lever 15 on described hinged fast 24, two 15 centre positions of the elevating lever are cut with scissors by supporting rod It connects, 21 top of the third cavity is equipped with the lifter plate 12 for being located at first sliding shoe, 34 lower section, is set in the lifter plate 12 There is the 5th cavity 13 that Open Side Down, 13 rear and front end of the 5th cavity is communicated equipped with symmetrical third sliding groove 31, described The first sliding axle 14 equipped with symmetrical and front and back extension in 5th cavity 13, extending end before and after first sliding axle 14 It puts in the third sliding groove 31 and is slidably connected with the third sliding groove 31, first sliding axle 14 is located at described One end is rotatably assorted with 15 upper end of the elevating lever and connect in 5th cavity 13, and 10 top end surface of the babinet is fixedly connected with photograph Bright body.

Valuably, 10 right end end face of the babinet is fixedly connected with servo-driver 11, the servo-driver 11 and institute The first motor 49, the second motor 33,17 Electricity Federation of third motor are stated, 10 left end opening of the babinet is equipped with door leaf 27.

Valuably, it is equipped with the 6th cavity 40 in the babinet 10, the second rotation axis 42, institute are equipped in the 6th cavity 40 It states in door leaf 27 and extends up and down and through described recessed equipped with the symmetrical above and below and groove 30 of opening to the right, interior be equipped with of the door leaf 27 The rotation slot 39 of slot 30 is slidably connected with third rotation axis 29, the third rotation axis 29 and institute in the rotation slot 39 It states to be rotatably assorted between the second rotation axis 42 and is connected with swingle 28, the swingle 28 passes through the groove 30.

Valuably, the hand of spiral on two first threaded rods 32 on the contrary, the third threaded rod 20 be located at it is described Left and right two parts screw thread in second sliding groove 22 on one section is opposite and two third threaded rods 20 on front and back corresponding position Screw thread is identical.

Valuably, the third cavity 21 and second sliding groove, 22 or so equivalent width.

Valuably, the illumination body includes the first housing 61, and the first illumination cavity 63, institute are equipped in the first housing 61 It states the sliding of 61 top end surface of the first housing and matches and be connected with the second housing 66, the second illumination cavity is equipped in the second housing 66 67, headlamp 65 is fixedly connected in second illumination cavity 67, and illumination is embedded in 63 bottom interior wall of the first illumination cavity Motor 62, the illumination 62 top end be connected by power of motor have the rotary shaft 64 upwardly extended, the rotary shaft 64 to push up Portion end is fixedly connected through 63 top inner wall of the first illumination cavity and with the second housing 66.

When the equipment of the present invention is in original state, 34 front end surface of the first sliding shoe and first cavity 38 Front end surface contacts, and 37 right end end face of the second sliding shoe is contacted with first sliding groove, 35 right end end face, the third It is contacted with second sliding groove, 22 left and right ends end face far from 21 center one end end face of the third cavity on sliding shoe 26, institute Door leaf 27 is stated to be closed.

When needing the 3D printer using the present invention to work, it is first turned on the door leaf 27, target container is placed on institute It states on lifter plate 12,50 turns of the third hand tap gear is driven at this point, closing the door leaf 27 and starting first motor 49 It is dynamic, to make second bevel gear 51 that first rotation axis 48 be driven to rotate, rotation is transmitted by the first bevel gear 45 To the 4th bevel gear 43, then first threaded rod 32 can drive first sliding shoe 34 to move forward, meanwhile, described in startup Second motor 33 drives second threaded rod 43 to rotate, and the second sliding shoe 37 is made to be moved to the left, when the gel is sent out When 36 emission port alignment target container corresponding position of emitter, first motor 49 is controlled, second motor 33 stops Rotation drives the first pulley 19 to rotate at this point, starting the third motor 17, is transmitted to rotation by belt described Second belt wheel 18 rotates, then the third threaded rod 20 drives the third sliding shoe 26 to be moved to 21 center of third cavity Dynamic, distance becomes smaller between driving two 15 bottom ends of the elevating lever by the elevator 24, then two elevating levers 15 Distance synchronous becomes smaller between top, and the lifter plate 13 is made to increase, and when the lifter plate 13 rises to certain position, controls institute It states third motor 17 to stop operating, at this point, starting the servo-driver 11 drives the gel transmitter 36 and the liter Plate 12 is dropped to work.

At the end of 3D printer works, the servo-driver 11 is closed, then, starts 17 band of third motor The dynamic first pulley 19 rotates, and so that the lifter plate 12 is declined, when the third sliding shoe 26 is far from the third cavity 21 When center one end is contacted with second sliding groove, 22 or so inner wall, controls the third motor 17 and stop operating, at this point, opening Moving first motor 49 drives the third hand tap gear 50 to rotate, and so that first sliding shoe 34 is moved forward, when described When first sliding shoe, 34 front end surface is contacted with 38 front inner wall of the first cavity, controls first motor 49 and stop turning It is dynamic, it drives second threaded rod 43 to rotate at this point, starting second motor 33, makes the second sliding shoe 43 to there is shifting Dynamic, when 43 right end end face of the second sliding shoe is contacted with the second sliding groove left end inner wall, control described second is electronic Machine 33 stops operating, and opens the door leaf 27 at this time, takes out target container.

The beneficial effects of the invention are as follows：When being in original state due to the equipment of the present invention, first sliding shoe front end End face is contacted with the first cavity front end surface, the second sliding shoe right end end face and the first sliding groove right end end face It contacts, far from third cavity center one end end face and second sliding groove left and right ends end face on the third sliding shoe Contact, the door leaf are closed, and ensure that printer is clean and tidy and work is orderly.

When needing the 3D printer using the present invention to work, it is first turned on the door leaf, target container is placed on described On lifter plate, the third hand tap gear rotation is driven at this point, closing the door leaf and starting first motor, to make the Plug tap gear drives the first rotation axis rotation, rotation is transmitted to the 4th bevel gear by the first bevel gear, then institute Stating the first threaded rod can drive first sliding shoe to move forward, meanwhile, start second motor and drives described second Threaded rod rotates, and so that the second sliding shoe is moved to the left, when the gel transmitter emission port alignment target container corresponding positions When setting, control first motor, second motor stop operating, at this point, starting the third motor drives institute First pulley rotation is stated, rotation, which is transmitted to second belt wheel, by belt rotates, then described in the third threaded rod drive Third sliding shoe is moved to the third cavity center, passes through distance between two elevating lever bottom ends of elevator drive Become smaller, then distance synchronous becomes smaller between two elevating lever tops, the lifter plate is made to increase, when the lifter plate rises It when to certain position, controls the third motor and stops operating, at this point, starting the servo-driver drives the gel hair Emitter and lifter plate work, when ensureing printer work not by external disturbance and work it is orderly.

At the end of 3D printer works, the servo-driver is closed, then, starts the third motor and drives institute First pulley rotation is stated, so that the lifter plate is declined, when the third sliding shoe is far from third cavity center one end and institute It when stating the contact of the second sliding groove or so inner wall, controls the third motor and stops operating, at this point, starting first motor It drives the third hand tap gear to rotate, so that first sliding shoe is moved forward, when the first sliding shoe front end surface and institute It when stating the contact of the first cavity front inner wall, controls first motor and stops operating, at this point, starting the second motor band The dynamic second threaded rod rotation makes the second sliding shoe to there is movement, when the second sliding shoe right end end face with it is described When second sliding groove left end inner wall contacts, controls second motor and stop operating, open the door leaf at this time, take out target Container ensures each piece safety of printer, stabilization and facilitates taking-up target container.

The device structure of the present invention is simple, easy to operate, can not only ensure that working procedure was stable, orderly, but also can ensure Printer it is safe, clean and tidy, while substantially increasing the working efficiency of printer.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention Protection domain should be determined by the scope of protection defined in the claims.

Claims (6)

1. a kind of novel servo based on gel drives 3D printer, include the babinet of opening to the left, it is characterised in that：The case It is equipped with the first cavity in vivo, first cavity rear is equipped with the second cavity, turns equipped with what left and right extended in second cavity Moving axis, described rotation axis or so extending end are rotatably assorted with second cavity or so inner wall and connect, solid in the rotation axis Surely it is connected with symmetrical first bevel gear, is fixedly connected in the rotation axis between two first bevel gears Second bevel gear, the first motor is installed in the inner wall of second cavity rear end, the first motor front end is dynamic Power is connected with to engage the third hand tap gear of connection with the second bevel gear, is slidably connected in first cavity First sliding shoe, the first sliding shoe screw-internal thread fit is connected with front and back extension and symmetrical first threaded rod, described First threaded rod front end extending end is rotatably assorted with the first cavity front inner wall and connect, and the first screw thread rod rear end prolongs End is stretched through first cavity rear end inner wall and puts in second cavity, and the first screw thread rod rear end extending end is solid Surely it is connected with to engage the 4th bevel gear of connection with the first bevel gear, is equipped in first sliding shoe and is located at two The first sliding groove between first threaded rod is slidably connected with the second sliding shoe in first sliding groove, described The second sliding shoe bottom end is fixedly connected with gel transmitter, and the second sliding shoe screw-internal thread fit is connected with left and right and extends The second threaded rod, the second threaded rod right end extending end is rotatably assorted with the first sliding groove right end inner wall and connect, The second motor, the second motor right end end and second screw thread are installed in the first sliding groove left end inner wall Bar left end extending end be connected by power, first cavity bottom are communicated equipped with third cavity, third cavity rear and front end It communicates and is equipped with symmetrical second sliding groove, third cavity right is equipped with the 4th cavity, in the 4th cavity right end inner wall It is installed with the second motor, the second motor left end end be connected by power has first pulley, is equipped in the third cavity The third sliding shoe of symmetrical and front and back extension, extending end is put in second sliding groove before and after the third sliding shoe And be slidably connected with second sliding groove, the third sliding shoe is located at one end internal thread in second sliding groove and matches It closes and is connected with the third threaded rod that left and right extends, in the third threaded rod left end extending end and the second sliding groove left end Wall is rotatably assorted connection, and the third threaded rod right end extending end is through the second sliding groove right end inner wall and puts in described 4th cavity, the third threaded rod right end extending end are fixedly connected with the second belt wheel, second belt wheel and described first By belt be connected by power between belt wheel, symmetrical elevator, the lifting are fixedly connected on the third sliding shoe Fast upper hinge is connected with symmetrical elevating lever, two elevating lever centre position hinge connections, on the third cavity Side is equipped with the lifter plate being located at below first sliding shoe, and the 5th cavity that Open Side Down is equipped in the lifter plate, described 5th cavity rear and front end is communicated equipped with symmetrical third sliding groove, and the 5th cavity is interior to be equipped with symmetrical and front and back extension The first sliding axle, extending end puts in the third sliding groove and is slided with the third sliding groove before and after first sliding axle Dynamic to be connected, first sliding axle, which is located at one end in the 5th cavity and is rotatably assorted with the elevating lever upper end, to be connect, Babinet right end end face is fixedly connected with servo-driver, the servo-driver and first motor, second electronic Machine, third motor Electricity Federation, the babinet left end opening are equipped with door leaf, and the top of the box end face is fixedly connected with flare-aircraft Body,.

2. a kind of novel servo based on gel according to claim 1 drives 3D printer, it is characterised in that：The case Body right end end face is fixedly connected with servo-driver, the servo-driver and first motor, the second motor, third Motor Electricity Federation, the babinet left end opening are equipped with door leaf.

3. a kind of novel servo based on gel according to claim 1 drives 3D printer, it is characterised in that：The case Be equipped with the 6th cavity in vivo, the second rotation axis be equipped in the 6th cavity, be equipped in the door leaf it is symmetrical above and below and be open to Right groove, the door leaf are interior equipped with extension up and down and the company of being slidably matched in the rotation slot of the groove, the rotation slot It is connected to third rotation axis, is rotatably assorted between the third rotation axis and second rotation axis and is connected with swingle, the rotation Bull stick passes through the groove.

4. a kind of novel servo based on gel according to claim 1 drives 3D printer, it is characterised in that：Two institutes The hand of spiral on the first threaded rod is stated on the contrary, the third threaded rod is located at the left and right two on one section in second sliding groove Front and back corresponding position screw thread is identical on the contrary and on two third threaded rods for partial threads.

5. a kind of novel servo based on gel according to claim 1 drives 3D printer, it is characterised in that：Described Three cavitys and second sliding groove or so equivalent width.

6. a kind of novel servo based on gel according to claim 1 drives 3D printer, it is characterised in that：The photograph Bright body includes the first housing, is equipped with the first illumination cavity in the first housing, the first housing top end surface sliding with and It is connected with the second housing, the second illumination cavity is equipped in the second housing, headlamp is fixedly connected in second illumination cavity, Power for illumination motivation is embedded in the first illumination cavity bottom interior wall, the illumination motor top end be connected by power has upwards The rotary shaft of extension, the rotary shaft top end are fixed through the first illumination cavity top inner wall and with the second housing Connection.