CN108523611A - A kind of mailbox based on Internet of Things - Google Patents

A kind of mailbox based on Internet of Things Download PDF

Info

Publication number
CN108523611A
CN108523611A CN201810372817.XA CN201810372817A CN108523611A CN 108523611 A CN108523611 A CN 108523611A CN 201810372817 A CN201810372817 A CN 201810372817A CN 108523611 A CN108523611 A CN 108523611A
Authority
CN
China
Prior art keywords
slot
mailbox
slide slot
slides
bar
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Withdrawn
Application number
CN201810372817.XA
Other languages
Chinese (zh)
Inventor
潘宇俊
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.)
Shenzhen Rong Xing Intelligent Technology Co Ltd
Original Assignee
Shenzhen Rong Xing Intelligent Technology 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 Shenzhen Rong Xing Intelligent Technology Co Ltd filed Critical Shenzhen Rong Xing Intelligent Technology Co Ltd
Priority to CN201810372817.XA priority Critical patent/CN108523611A/en
Publication of CN108523611A publication Critical patent/CN108523611A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47GHOUSEHOLD OR TABLE EQUIPMENT
    • A47G29/00Supports, holders, or containers for household use, not provided for in groups A47G1/00-A47G27/00 or A47G33/00 
    • A47G29/12Mail or newspaper receptacles, e.g. letter-boxes; Openings in doors or the like for delivering mail or newspapers
    • A47G29/122Parts, details, or accessories, e.g. signalling devices, lamps, devices for leaving messages
    • A47G29/1225Signalling devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06MCOUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00Design features of general application
    • G06M1/27Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Supports Or Holders For Household Use (AREA)

Abstract

The invention discloses a kind of mailbox based on Internet of Things, it is arranged including mailbox and zygomorphism and plugs together column in the mailbox top end surface, in pedestal zygomorphism be provided with it is described plug together that column is correspondingly arranged plug together slot, it is described plug together to lead on the outside of slot be provided with sealed slot, it plugs together to lead between slot described in left and right two and is provided with cavity, zygomorphism is provided with partition board in the cavity, the partition board slides mating connection with the cavity bottom wall, lead to above the cavity and is provided with the first slide slot, mating connection is slided in first slide slot is provided with first and slide bar;The configuration of the present invention is simple, it is easy for assemble or unload quick, and also energization safety and stability, counter count input mail inside mail, and on the electronic display screen by result reflection.

Description

A kind of mailbox based on Internet of Things
Technical field
The present invention relates to mailbox field, more particularly to a kind of mailbox based on Internet of Things.
Background technology
Every household is fitted with mailbox and generally takes sharp after punching in wall for receiving mail newspaper, mailbox installation Mailbox main body is fixed on the wall with bolt, is easy to damage wall, and installing and dismounting is all inconvenient, and is big currently on the market Partial mailbox structure is simple, has a single function, and user needs opening mailbox just to can confirm that whether inside has mail every time, very numb It is tired.
Invention content
Technical problem to be solved by the invention is to provide a kind of mailbox based on Internet of Things, can solve above-mentioned present The problems in technology.
The present invention is achieved through the following technical solutions:A kind of mailbox based on Internet of Things of the present invention, including letter Case and zygomorphism are arranged the column that plugs together in the mailbox top end surface, and zygomorphism is provided in pedestal plugs together column pair with described What should be arranged plugs together slot, it is described plug together to lead on the outside of slot be provided with sealed slot, plug together to lead between slot described in left and right two and be provided with Cavity, zygomorphism is provided with partition board in the cavity, and the partition board slides mating connection, the cavity with the cavity bottom wall Top, which is led to, is provided with the first slide slot, mating connection is slided in first slide slot is provided with first and slide bar, and described One slides and is fixedly connected with the first compression spring between bar roof and the first slide slot inner roof wall, and described first, which slides bar, stretches downwards Into in the cavity, described first, which slides bar bottom end hingedly connected, is provided with curved bar, the curved bar other end in the partition board Side wall hingedly connected, described first, which slides bar right side, is provided with opening, leads on the right side of first slide slot and is provided with the second cunning Row slot slides mating connection in second slide slot and is provided with second and slides bar, described second slide bar right side with it is described The second compression spring is fixedly connected on the right side of second slide slot between inner wall, leads at the top of second slide slot and is provided with the first transmission Chamber, described second, which slides right end at the top of bar, is fixedly installed the strut extended upwardly into first transmission cavity, the strut top Portion is embedded with the first motor, and power is connected with the first rotary shaft, first rotary shaft at the top of first motor Top is fixedly installed the first tooth cone pulley, is provided in first transmission cavity and engages the second of connection with the first tooth cone pulley Tooth cone pulley, the second tooth cone pulley left side are fixedly installed the second rotary shaft, and second rotary shaft extends into second to the left Transmission cavity, the second rotary shaft left end and the rotatable mating connection of the second transmission cavity left side wall, second rotary shaft On be fixedly installed the first tooth runner, second transmission cavity, which is provided with, to be engaged the second tooth of connection with the first tooth runner and turns Wheel, the second tooth runner lower section are provided with intermeshing third tooth runner, and the second transmission cavity left bottom, which is led to, to be set It is equipped with third slide slot, the third tooth runner left side is fixedly installed the first spiral shell put in the left in the third slide slot Swing arm, spiral lamination is connected with third sliding block on first screw rod, and third sliding block left side matches up and down It is installed with power block, leads on the left of the third slide slot and is provided with energization corresponding with power block hole, the mailbox Front end face is hingedly provided with mailbox door, is fixedly installed electronic display at the top of the mailbox door, is set among the mailbox door Be equipped with drop, the mailbox door lower right corner is provided with latch fitting, is provided with counter in the mailbox, the counter with it is described Electronic display is electrically connected.
Wherein, the sealed groove top portion, which leads to, is provided with the 4th slide slot, leads at the top of the 4th slide slot and is provided with 5th slide slot, the 5th slide slot top are fixedly installed the second motor, the second electronic motor spindle power cooperation It is connected with the second screw rod, the second screw rod spiral lamination is connected with resting arm, and the resting arm is slided with the described 5th Row slot slides mating connection, and resting arm bottom surface zygomorphism, which is provided with, slides column, and the column that slides is slided with the described 4th Slot slides mating connection.
Wherein, described plug together is fixedly installed the block that conducts electricity on slot inner roof wall, and the column top that plugs together is provided with and the biography The corresponding slot that conducts electricity of electric block, described plug together are provided with tank on the outside of column, slided in the tank mating connection be provided with it is sealed Block is fixedly connected with third compression spring between the locking block medial surface and the tank madial wall.
Wherein, it is described conduct electricity slot and the mailbox it is electrically connected, it is described conduct electricity block and the slot that conducts electricity it is electrically connected, it is described Power block and the block that conducts electricity are electrically connected, and the power block and the energization hole are electrically connected, the energization hole and power supply phase Connection.
The beneficial effects of the invention are as follows:
1. plugging together slot by that will plug together column alignment and being inserted into, locking block is squeezed in retraction tank, and partition board is squeezed to inside contracting, bent The upward top pressure of bar first slides bar, when plug together column be fully inserted into plug together slot when, locking block, which injects in sealed slot, to be completed sealed, is conducted electricity Block is plugged together with the slot that conducts electricity, and opening slides that bar is opposite, and second slides bar injects to the left in opening with second, and strut slides into the to the left One tooth cone pulley engages connection with the second tooth cone pulley, controls the first electric motor operation at this time, and the first motor drives the first tooth cone pulley It is rotated with the second tooth cone pulley, the second tooth cone pulley drives the first tooth runner to rotate by the second rotary shaft, and the first tooth runner passes through the Two tooth driven by rotating wheel third tooth runners lead to rotation, the rotation of third tooth the first screw rod of driven by rotating wheel, and third sliding block is slided to the left Row, internal at this time to be powered until power block injects in energization hole, mailbox can be powered use, and low temperature environment is provided for Saving specimen.
The first motor reverse operation is controlled 2. passing through so that power block and energization hole are detached from, inside power-off, then control the Two electric motor operations, the second motor drive the rotation of the second screw rod, resting arm and slide column glide downwards, locking block is squeezed It is retracted in tank, pulls out plug together column at this time.
3. the configuration of the present invention is simple, easy for assemble or unload quick, and energization safety and stability, counter is in input mail Portion's mail counts, and on the electronic display screen by result reflection.
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 a kind of overall structure diagram of mailbox based on Internet of Things of the present invention;
Fig. 2 is structural schematic diagram when a kind of mailbox based on Internet of Things of the present invention works;
Fig. 3 is mailbox front view in the present invention.
Specific implementation mode
As shown in Figure 1-Figure 3, a kind of mailbox based on Internet of Things of the invention, including mailbox 50 and zygomorphism setting exist 50 top end surface of the mailbox plugs together column 51, in pedestal 10 zygomorphism be provided with it is described plug together that column 51 is correspondingly arranged insert Close slot 39, it is described plug together the outside of slot 39 and lead to be provided with sealed slot 38, plug together that lead to setting between slot 39 free described in left and right two Chamber 42, zygomorphism is provided with partition board 40 in the cavity 42, and the partition board 40 slides mating connection with 42 bottom wall of the cavity, 42 top of the cavity, which is led to, is provided with the first slide slot 34, and sliding mating connection in first slide slot 34 is provided with first Slide bar 36, described first slides and be fixedly connected with the first compression spring between 36 roof of bar and 34 inner roof wall of the first slide slot 35, described first, which slides bar 36, extends downwardly into the cavity 42, and described first, which slides 36 bottom end hingedly connected of bar, is provided with song Bar 41,41 other end of the curved bar and 40 madial wall hingedly connected of the partition board, described first slide 36 right side of bar be provided with it is spacious Mouth 37, first slide slot, 34 right side, which is led to, is provided with the second slide slot 19, and cooperation is slided in second slide slot 19 and is connected Connect and be provided with second and slide bar 20, described second slide it is fixed between 19 right side inner wall of 20 right side of bar and second slide slot It is connected with the second compression spring 18, second slide slot, 19 top, which is led to, is provided with the first transmission cavity 16, and described second slides bar 20 Top right end is fixedly installed the strut 17 extended upwardly into first transmission cavity 16, and 17 top of the strut is embedded with first Motor 15, first motor, 15 top power are connected with the first rotary shaft 14, first rotary shaft, 14 top It is fixedly installed the first tooth cone pulley 13, is provided in first transmission cavity 16 and engages the of connection with the first tooth cone pulley 13 Two tooth cone pulleys 12,12 left side of the second tooth cone pulley are fixedly installed the second rotary shaft 43, and second rotary shaft 43 is to the left The second transmission cavity 44 is extended into, 43 left end of the second rotary shaft connects with the rotatable cooperation of 44 left side wall of the second transmission cavity It connects, the first tooth runner 27 is fixedly installed in second rotary shaft 43, second transmission cavity 44 is provided with and described first Second tooth runner 28 of the engagement connection of tooth runner 27,28 lower section of the second tooth runner are provided with intermeshing third tooth runner 33,44 left bottom of the second transmission cavity, which is led to, is provided with third slide slot 30, and 33 left side of third tooth runner is fixed It is provided with the first screw rod 32 put in the left in the third slide slot 30, spiral lamination coordinates company on first screw rod 32 It is connected to third sliding block, third sliding block left side matches up and down is installed with power block 31, and the third slide slot 30 is left Side, which is led to, is provided with energization corresponding with the power block 31 hole 29, and 50 front end face of the mailbox is hingedly provided with mailbox door 502,502 top of the mailbox door is fixedly installed electronic display 501, and drop is provided among the mailbox door 502 504,502 lower right corner of the mailbox door is provided with latch fitting 503, and counter, the counter and institute are provided in the mailbox 50 State the electrical connection of electronic display 501.
Wherein, 38 top of the sealed slot, which is led to, is provided with the 4th slide slot, leads to setting at the top of the 4th slide slot There are the 5th slide slot 25,25 top of the 5th slide slot to be fixedly installed the second motor 22,22 bottom of the second motor Portion's power is connected with the second screw rod 23, and 23 spiral lamination of the second screw rod is connected with resting arm 24, the cunning Row arm 24 slides mating connection with the 5th slide slot 25, and 24 bottom surface zygomorphism of the resting arm, which is provided with, slides column 26, The column 26 that slides slides mating connection with the 4th slide slot.
Wherein, described plug together is fixedly installed the block 21 that conducts electricity on 39 inner roof wall of slot, it is described plug together the top of column 51 be provided with The corresponding slot 52 that conducts electricity of the block 21 that conducts electricity, 51 outside of column that plugs together are provided with tank 55, slide and match in the tank 55 Conjunction is connected with locking block 54, and third pressure is fixedly connected between 55 madial wall of 54 medial surface of the locking block and the tank Spring 53.
Wherein, it is described conduct electricity slot 52 and the mailbox 50 it is electrically connected, block 21 and 52 electric power of slot that conducts electricity of conducting electricity Connection, the power block 31 and the block 21 that conducts electricity are electrically connected, and the power block 31 and the energization hole 29 are electrically connected, institute Energization hole 29 is stated with power supply to be connected.
When original state, described first slides bar 36 is located at lowest point under the top pressure effect of first compression spring 35, left Right two pieces of partition boards 40 put in it is described plug together in slot 39, described second, which slides bar 20, slides bar 36 with described first and offsets, institute It states strut 17 and is located at 16 rightmost side of the first transmission cavity, the third sliding block is located at 30 rightmost side of third slide slot, The resting arm 24 is located at 25 inner top of the 5th slide slot, and first motor 15 and second motor 22 are in Stop working state.
When needing to carry out Saving specimen using mailbox, by it is described plug together column 51 be aligned it is described plug together slot 39 and be inserted into, it is described Locking block 54 is squeezed in the retraction tank 55, and the partition board 40 is squeezed to inside contracting, described in 41 upward top pressure of the curved bar First slides bar 36, when it is described plug together column 51 be fully inserted into it is described plug together slot 39 when, the locking block 54 injects the sealed slot To complete sealed in 38, the block 21 that conducts electricity is plugged together with the slot 52 that conducts electricity, and described open 37 with described second to slide bar 20 opposite, Described second, which slides bar 20, injects to the left in described open 37, and the strut 17 slides into the first tooth cone pulley 13 and institute to the left The engagement connection of the second tooth cone pulley 12 is stated, first motor 15 is controlled at this time and works, first motor 15 drives described First tooth cone pulley 13 is rotated with the second tooth cone pulley 12, and the second tooth cone pulley 12 drives institute by second rotary shaft 43 The rotation of the first tooth runner 27 is stated, the first tooth runner 27 drives the third tooth runner 33 logical by the second tooth runner 28 To rotation, the third tooth runner 33 drives first screw rod 32 to rotate, and the third sliding block slides to the left, until institute It states power block 31 to inject in the energization hole 29, internal at this time to be powered, mailbox can be powered use, and low temperature ring is provided for Saving specimen Border.
When without using mailbox, 15 reverse operation of the first motor is controlled so that the power block 31 leads to described Electric hole 29 is detached from, inside power-off, then is controlled second motor 22 and worked, and second motor 22 drives second spiral shell Swing arm 23 rotates, the resting arm 24 and it is described slide 26 glide downwards of column, the locking block 54 is squeezed the retraction tank In 55, pulls out described plug together column 51 at this time.
The beneficial effects of the invention are as follows:
1. plugging together slot by that will plug together column alignment and being inserted into, locking block is squeezed in retraction tank, and partition board is squeezed to inside contracting, bent The upward top pressure of bar first slides bar, when plug together column be fully inserted into plug together slot when, locking block, which injects in sealed slot, to be completed sealed, is conducted electricity Block is plugged together with the slot that conducts electricity, and opening slides that bar is opposite, and second slides bar injects to the left in opening with second, and strut slides into the to the left One tooth cone pulley engages connection with the second tooth cone pulley, controls the first electric motor operation at this time, and the first motor drives the first tooth cone pulley It is rotated with the second tooth cone pulley, the second tooth cone pulley drives the first tooth runner to rotate by the second rotary shaft, and the first tooth runner passes through the Two tooth driven by rotating wheel third tooth runners lead to rotation, the rotation of third tooth the first screw rod of driven by rotating wheel, and third sliding block is slided to the left Row, internal at this time to be powered until power block injects in energization hole, mailbox can be powered use, and low temperature environment is provided for Saving specimen.
The first motor reverse operation is controlled 2. passing through so that power block and energization hole are detached from, inside power-off, then control the Two electric motor operations, the second motor drive the rotation of the second screw rod, resting arm and slide column glide downwards, locking block is squeezed It is retracted in tank, pulls out plug together column at this time.
3. the configuration of the present invention is simple, easy for assemble or unload quick, and energization safety and stability, counter is in input mail Portion's mail counts, and on the electronic display screen by result reflection.
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 (4)

1. a kind of mailbox based on Internet of Things, including mailbox and zygomorphism are arranged and plug together column in the mailbox top end surface, It is characterized in that:Zygomorphism is provided in pedestal plugs together the slot that plugs together that column is correspondingly arranged with described, it is described plug together it is logical on the outside of slot Be connected with and be equipped with sealed slot, plug together to lead between slot described in left and right two and be provided with cavity, in the cavity zygomorphism be provided with every Plate, the partition board and the cavity bottom wall slide matings connection, and the cavity top, which is led to, is provided with the first slide slot, and described the Mating connection is slided in one slide slot being provided with first and slide bar, described first slides bar roof and top in first slide slot The first compression spring is fixedly connected between wall, described first, which slides bar, extends downwardly into the cavity, and described first slides bar bottom end Hingedly connected is provided with curved bar, the curved bar other end and the partition board madial wall hingedly connected, and described first slides on the right side of bar It is provided with opening, leads on the right side of first slide slot and is provided with the second slide slot, cooperation is slided in second slide slot and is connected It connects and is provided with second and slides bar, described second slides and be fixedly connected between inner wall on the right side of bar right side and second slide slot Second compression spring, the second slide slot top, which is led to, is provided with the first transmission cavity, and described second, which slides right end fixation at the top of bar, sets It is equipped with the strut extended upwardly into first transmission cavity, is embedded with the first motor at the top of the strut, described first is electronic Power is connected with the first rotary shaft at the top of machine, is fixedly installed the first tooth cone pulley at the top of first rotary shaft, and described the The second tooth cone pulley that connection is engaged with the first tooth cone pulley is provided in one transmission cavity, the second tooth cone pulley left side is fixed Be provided with the second rotary shaft, second rotary shaft extends into the second transmission cavity to the left, the second rotary shaft left end with it is described The second rotatable mating connection of transmission cavity left side wall, is fixedly installed the first tooth runner in second rotary shaft, and described second Transmission cavity is provided with the second tooth runner that connection is engaged with the first tooth runner, is provided with below the second tooth runner mutually The third tooth runner of engagement, the second transmission cavity left bottom, which is led to, is provided with third slide slot, and the third tooth runner is left Side is fixedly installed the first screw rod put in the left in the third slide slot, and spiral lamination coordinates on first screw rod It is connected with third sliding block, third sliding block left side matches up and down is installed with power block, on the left of the third slide slot Lead to and be provided with energization corresponding with power block hole, the mailbox front end face is hingedly provided with mailbox door, the letter It is fixedly installed electronic display at the top of chamber door, drop, the mailbox door lower right corner setting are provided among the mailbox door There is latch fitting, counter is provided in the mailbox, the counter is electrically connected with the electronic display.
2. the mailbox according to claim 1 based on Internet of Things, it is characterised in that:The sealed groove top portion, which leads to, to be provided with 4th slide slot, the 4th slide slot top, which is led to, is provided with the 5th slide slot, fixed setting at the top of the 5th slide slot There are the second motor, the second electronic motor spindle power to be connected with the second screw rod, the second screw rod spiral lamination It is connected with resting arm, the resting arm slides mating connection, described resting arm bottom surface or so phase with the 5th slide slot Title, which is provided with, slides column, and the column that slides slides mating connection with the 4th slide slot.
3. the mailbox according to claim 1 based on Internet of Things, it is characterised in that:It is described to plug together fixed on slot inner roof wall set It is equipped with the block that conducts electricity, the column top that plugs together is provided with the slot that conducts electricity corresponding with the block that conducts electricity, described to plug together setting on the outside of column Have tank, mating connection slided in the tank and is provided with locking block, the locking block medial surface and the tank madial wall it Between be fixedly connected with third compression spring.
4. the mailbox according to claim 3 based on Internet of Things, it is characterised in that:Slot and the mailbox electric power of conducting electricity Connection, it is described conduct electricity block and the slot that conducts electricity it is electrically connected, the power block and the block that conducts electricity are electrically connected, the power block Electrically connected with the energization hole, the energization hole is connected with power supply.
CN201810372817.XA 2018-04-24 2018-04-24 A kind of mailbox based on Internet of Things Withdrawn CN108523611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810372817.XA CN108523611A (en) 2018-04-24 2018-04-24 A kind of mailbox based on Internet of Things

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810372817.XA CN108523611A (en) 2018-04-24 2018-04-24 A kind of mailbox based on Internet of Things

Publications (1)

Publication Number Publication Date
CN108523611A true CN108523611A (en) 2018-09-14

Family

ID=63478276

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810372817.XA Withdrawn CN108523611A (en) 2018-04-24 2018-04-24 A kind of mailbox based on Internet of Things

Country Status (1)

Country Link
CN (1) CN108523611A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112535397A (en) * 2020-12-09 2021-03-23 江西精达金属设备有限公司 Intelligent stainless steel letter box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112535397A (en) * 2020-12-09 2021-03-23 江西精达金属设备有限公司 Intelligent stainless steel letter box

Similar Documents

Publication Publication Date Title
CN108937558A (en) A kind of split-type electric pressure cooker
CN107157264B (en) A kind of cup
CN108523611A (en) A kind of mailbox based on Internet of Things
CN108526940A (en) A kind of clamp assembly of modified clamping workpiece
CN201287082Y (en) Multifunctional liquid centrifuge with door-cover self-locking function
CN106641665B (en) It is a kind of to disassemble simple and direct display device
CN108930182A (en) A kind of paddle wheel feeder
CN108523613A (en) A kind of mailbox based on Internet of Things
CN203746687U (en) Home appliance switch bracket self-locking device
CN109149150A (en) Intelligent termination
CN210684231U (en) Automatic cover turning device of washing machine based on intelligent cloud application
CN108742081A (en) A kind of informationization artificial intelligence mailbox
CN108523604A (en) A kind of information automatic prompt intelligent letter box
CN108771458A (en) A kind of artificial intelligence mailbox
CN215773758U (en) Rotating mechanism of household appliance control panel
CN204965733U (en) Wall lamp switch remote control ware
CN108523612A (en) A kind of information auto-prompting mailbox
CN103022785A (en) Desktop socket
CN107898112A (en) A kind of safe self-heating type cup
CN206523855U (en) A kind of multifunctional mouse
CN108523603A (en) A kind of intelligent letter box
CN202550151U (en) Desktop socket
CN212607807U (en) Automatic bottle arranging equipment for recycling beer bottles
CN209607617U (en) A kind of self-lock switch
CN210270775U (en) Protection device for computer power supply

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20180914

WW01 Invention patent application withdrawn after publication