CN108510878A - A kind of firm billboard - Google Patents

A kind of firm billboard Download PDF

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Publication number
CN108510878A
CN108510878A CN201810265908.3A CN201810265908A CN108510878A CN 108510878 A CN108510878 A CN 108510878A CN 201810265908 A CN201810265908 A CN 201810265908A CN 108510878 A CN108510878 A CN 108510878A
Authority
CN
China
Prior art keywords
sliding
extrapolation
slot
mortise lock
sliding groove
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.)
Pending
Application number
CN201810265908.3A
Other languages
Chinese (zh)
Inventor
林忠
Original Assignee
林忠
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 林忠 filed Critical 林忠
Priority to CN201810265908.3A priority Critical patent/CN108510878A/en
Publication of CN108510878A publication Critical patent/CN108510878A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18Means for attaching signs, plates, panels, or boards to a supporting structure
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18Means for attaching signs, plates, panels, or boards to a supporting structure
    • G09F2007/1843Frames or housings to hold signs

Abstract

The invention discloses a kind of firm billboards, including stationary base mount and to be removably mounted on the billboard main body on the stationary base mount, on the billboard main body left side mortise lock block is symmetrically arranged in front and back, lock slots are provided through in front and back on the mortise lock block bottom face, front and back the first sliding groove extended is provided in the stationary base mount and left and right extends and through the second sliding groove of first sliding groove;Overall structure of the present invention is simple, easy to use, and installation steps are easy, can realize mortise lock block automatically controls locking and unlock, that is, realizes that the installation and removal operation of billboard main body, installation and removal are time saving and energy saving, convenient for the replacement and maintenance of billboard main body, usability and practicability are improved.

Description

A kind of firm billboard
Technical field
The present invention relates to billboard technologies fields, and in particular to a kind of firm billboard.
Background technology
Billboard is the important tool of enterprise and businessman's publicity, is produced by picture on billboard and character introduction and publicity The performance and advantage of product, promote its sale.It is loaded on wall above general urban street both sides doorway miscellaneous wide Accuse board;Traditional billboard fixing means is the bone Jia site weldings with expansion bolt and angle steel and billboard, is entirely installed Journey is cumbersome;This billboard installation is complex, and installation is time-consuming and laborious, it is difficult to fast and convenient completion, so to safeguarding Bigger difficulty is caused, therefore usability and practicability are restricted.
Invention content
Technical problem to be solved by the invention is to provide a kind of firm billboards, can solve above-mentioned present technology The problems in.
The present invention is achieved through the following technical solutions:A kind of firm billboard of the present invention, including fixed base Frame and to be removably mounted on the billboard main body on the stationary base mount, before being on billboard main body left side After be symmetrically arranged with mortise lock block, be provided through lock slots in front and back on the mortise lock block bottom face, set in the stationary base mount It is equipped with front and back the first sliding groove extended and left and right extends and through the second sliding groove of first sliding groove, the fixation Prolong to the left in the front and back mortise lock slot being symmetrically arranged with to be connected with the mortise lock block, the mortise lock slot on pedestal right side First sliding groove is stretched and run through, is provided between two first sliding grooves on the stationary base mount right side outer Sliding slot, first sliding groove rear and front end is symmetrically arranged with the interior sliding slot communicated with first sliding groove, described interior It is provided with interior pushing device in sliding slot, is provided with outer pushing device in the extrapolation sliding slot, it is front and back symmetrical in first sliding groove It is provided with the first sliding shoe capable of sliding back and forth, compression inclined surface is provided on the left of the first sliding shoe inner side end, it is described Left and right is provided through on the upper surface of first sliding shoe outboard end penetrates slot, second sliding for what the mortise lock block passed through Be provided with the second sliding shoe that can be horizontally slipped in slot, the second sliding shoe rear and front end right side of face be provided with to it is described Compression inclined surface abuts the pressure inclined surface of sliding connection, and the second sliding shoe left side is provided with threaded hole, described Screw-thread fit is connected with threaded rod, the threaded rod left end and pushing motor be connected by power, the interior pushing device packet in threaded hole It includes with the interior push skateboard of the interior sliding slot sliding connection and to push away in pushing the interior push skateboard inwardly Spring, the outer pushing device include the extrapolation sliding block with the extrapolation sliding slot sliding connection, the extrapolation sliding slot front and back end Be symmetrically arranged with the extrapolation limiting slot extended to the left in wall, the left side integral type in the extrapolation sliding block rear and front end face be connected with The extrapolation limited block of the extrapolation limiting slot sliding connection is provided in the extrapolation limiting slot to by extrapolation limit The extrapolation spring of the position outside top pressure of block, is provided with regulation silencing shock-reduction device on the pushing motor.
Preferably technical solution, the mortise lock block is identical as the mortise lock slot length, to improve installation engagement Leakproofness and stability.
Wherein, rubber pad, the extrapolation sliding block and the extrapolation sliding slot volume are provided on the extrapolation sliding block right side Identical, second sliding groove is located at the left end of the extrapolation sliding slot.
Preferably technical solution, the sum of length of two first sliding shoes are equal to the length of first sliding groove Degree, the distance of the lock slots in the lateral direction and first sliding shoe in the lateral direction at a distance from it is identical, it is described slotting The distance of closing piece in the longitudinal direction with it is described penetrate slot in the longitudinal direction at a distance from it is identical, to realize lock fit connect It connects.
Preferably technical solution, the pushing motor are arranged in the second sliding groove left end wall, the compression Inclined surface is identical as the pressure angle of inclination of inclined surface, to realize unlocking function, replacement and maintenance easy to disassemble.
Preferably technical solution, it is described in push away spring one end and be fixedly connected with the interior push skateboard, other end and The outer end wall of the interior sliding slot is fixedly connected, and the extrapolation spring one end is fixedly connected with the extrapolation limited block, and in addition one The left end wall with the extrapolation limiting slot is held to be fixedly connected.
Preferably technical solution, the regulation silencing shock-reduction device include being fixed at pushing motor both sides up and down The silencing pad in face and the vibration damper plate for being fixed at pushing motor front and rear sides face, the silencing pad and the vibration damper plate phase Connection.
The beneficial effects of the invention are as follows:
1. by the way that mortise lock block to be gradually inserted in mortise lock slot, mortise lock block initially passes through after being inserted into mortise lock slot and penetrates slot, until Mortise lock block left side is abutted with mortise lock slot right end wall, at this point, extrapolation sliding block overcomes the elastic force of extrapolation spring and is contracted in extrapolation In sliding slot, lock slots are communicated with the first sliding groove, the rotation of pushing motor task driven threaded rod are then controlled, to driving second Sliding shoe slides to the right, and to be pushed two the first sliding shoes outward by the second sliding shoe, the first sliding shoe is outside Side penetrates into during pushing in lock slots, and the outboard end of the first sliding shoe also overcomes the interior elastic force for pushing away spring to stretch into Into interior sliding slot, when the second sliding shoe right side is abutted with the right end wall of the second sliding groove, the first sliding shoe inner side end It is abutted respectively with the second sliding shoe end face outside, the first sliding shoe then penetrates in lock slots, to lock the position of mortise lock block It is fixed, i.e., billboard main body is fixed;To realize the autopatching locking of mortise lock block, it is convenient for the installation exercise of billboard main body, Improve the installation effectiveness of billboard main body.
2. by controlling pushing motor work reversion, the rotation of pushing motor task driven threaded rod, threaded rod rotation driving The second sliding shoe slides into the left end position of the second sliding groove to the left, at this point, under the impetus of interior pushing device, two One sliding shoe is restored to initial position, and under the action of outer pushing device, billboard main body and mortise lock block are released to the right Mortise lock block extraction mortise lock slot finally can be realized the dismounting of billboard main body, mortise lock is automatically controlled to realize by one end distance Block unlocks, and the disassembling, assembling and replacing convenient for billboard main body and maintenance reduce manual labor.
3. overall structure of the present invention is simple, easy to use, installation steps are easy, and can realize mortise lock block automatically controls lock The installation and removal operation of billboard main body is realized in fixed and unlock, installation and removal are time saving and energy saving, convenient for billboard main body It replaces and safeguards, improve usability and practicability.
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 the whole interior structural schematic diagram that a kind of firm billboard of the present invention is overlooked;
Fig. 2 is a kind of structural schematic diagram of the firm billboard of present invention when installation is complete;
Structural schematic diagram when Fig. 3 is a kind of firm billboard dismounting of the present invention;
Fig. 4 is the present invention looks up structural representation of billboard main body and mortise lock block in the present invention;
Fig. 5 is the overlooking structure diagram of two first sliding shoes in the present invention.
Specific implementation mode
As Figure 1-Figure 5, a kind of firm billboard of the invention, including stationary base mount 2 and to removably Billboard main body 1 on the stationary base mount 2, on 1 left side of billboard main body in it is front and back be symmetrically arranged with it is slotting Closing piece 10 is provided through lock slots 11 on 10 bottom face of mortise lock block in front and back, is provided in the stationary base mount 2 front and back The first sliding groove 3 and left and right extended extends and through the second sliding groove 4 of first sliding groove 3, the stationary base mount 2 In the front and back mortise lock slot 20 being symmetrically arranged with to be connected with the mortise lock block 10 on right side, the mortise lock slot 20 is to the left First sliding groove 3 is extended through, is set between two first sliding grooves 3 on 2 right side of the stationary base mount It is equipped with extrapolation sliding slot 6,3 rear and front end of the first sliding groove is symmetrically arranged with the interior sliding communicated with first sliding groove 3 Slot 5 is provided with interior pushing device in the interior sliding slot 5, and outer pushing device, first sliding are provided in the extrapolation sliding slot 6 It is front and back in slot 3 to be symmetrically arranged with the first sliding shoe 30 capable of sliding back and forth, it is arranged on the left of 30 inner side end of the first sliding shoe There is compression inclined surface 32, is provided through on the upper surface of 30 outboard end of the first sliding shoe or so and is worn for the mortise lock block 10 That crosses penetrates slot 31, and the second sliding shoe 40 that can be horizontally slipped, the second sliding shoe 40 are provided in second sliding groove 4 Rear and front end right side of face is provided with to abut the pressure inclined surface 44 of sliding connection with the compression inclined surface 32, described 40 left side of the second sliding shoe is provided with threaded hole 41, and screw-thread fit is connected with threaded rod 43, the spiral shell in the threaded hole 41 43 left end of rasp bar and 42 be connected by power of pushing motor, the interior pushing device includes being slidably connected with the interior sliding slot 5 Interior push skateboard 50 and to push away spring 51 in pushing the interior push skateboard 50 inwardly, the outer pushing device includes and institute The extrapolation sliding block 60 that extrapolation sliding slot 6 is slidably connected is stated, is symmetrically arranged in end wall before and after the extrapolation sliding slot 6 and extends to the left Extrapolation limiting slot 62, the left side integral type in the extrapolation sliding block 60 rear and front end face is connected with and the extrapolation limiting slot 62 cunning The extrapolation limited block 61 being connected is moved, is provided in the extrapolation limiting slot 62 to push up the extrapolation limited block 61 outward The extrapolation spring 63 of pressure is provided with regulation silencing shock-reduction device on the pushing motor 42.
Wherein, the mortise lock block 10 is identical as 20 length of mortise lock slot, to improve installation engagement stability.
Wherein, rubber pad, the extrapolation sliding block 60 and the extrapolation sliding slot 6 are provided on 60 right side of extrapolation sliding block Volume is identical, and second sliding groove 4 is located at the left end of the extrapolation sliding slot 6.
Wherein, the sum of length of two first sliding shoes 30 is equal to the length of first sliding groove 3, the locking The distance of slot 11 in the lateral direction and first sliding shoe 30 in the lateral direction at a distance from it is identical, the mortise lock block 10 exists Distance on front-rear direction with it is described penetrate slot 31 in the longitudinal direction at a distance from it is identical, to realize that lock fit connects.
Wherein, the pushing motor 42 is arranged in second sliding groove, 4 left end wall, the compression inclined surface 32 and institute The angle of inclination for stating pressure inclined surface 44 is identical, to realize unlocking function, replacement and maintenance easy to disassemble.
Wherein, it pushes away 51 one end of spring in described to be fixedly connected with the interior push skateboard 50, other end and the interior sliding The outer end wall of slot 5 is fixedly connected, and described 63 one end of extrapolation spring is fixedly connected with the extrapolation limited block 61, other end and institute The left end wall for stating extrapolation limiting slot 62 is fixedly connected.
Wherein, the regulation silencing shock-reduction device includes the silencing pad for being fixed at about 42 two sides of the pushing motor 421 and it is fixed at the vibration damper plate 422 in 42 front and rear sides face of the pushing motor, the silencing pad 421 and the vibration damper plate 422 are connected, and the regulation silencing shock-reduction device can effectively reduce the noise and vibrations that the operating of the pushing motor 42 generates.
When original state, the second sliding shoe 40 is located at the left end position of second sliding groove 4, interior is pushed away described Under the impetus of device, the inner side end of two first sliding shoes 30 mutually abuts, at this point, described penetrate slot 31 and institute It states mortise lock slot 20 to communicate, under the resilient force of the extrapolation spring 63, the extrapolation sliding block 60 stretches out to the right the extrapolation Sliding slot 6.
When needing to install and use, the billboard main body 1 is moved to the right end position of the stationary base mount 2 first, is made The mortise lock block 10 is opposite with the mortise lock slot 20, then pushes the billboard main body 1 to the left, makes the billboard main body 1 Mortise lock block 10 on left side is gradually inserted in the mortise lock slot 20, after the mortise lock block 10 is inserted into the mortise lock slot 20 Slot 31 is penetrated described in initially passing through, until 10 left side of mortise lock block is abutted with 20 right end wall of the mortise lock slot, at this point, described outer Sliding block 60 overcome it is described extrapolation spring 63 elastic force and be contracted in the extrapolation sliding slot 6, the lock slots 11 with it is described First sliding groove 3 communicates, and then controls the pushing motor 42 and works, threaded rod 43 described in 42 task driven of the pushing motor Rotation, the rotation of the threaded rod 43 drive the second sliding shoe 40 to slide to the right, and the second sliding shoe 40 slides to the right head The pressure inclined surface 44 is first set to abut sliding connection with the compression inclined surface 32, to pass through the second sliding shoe 40 push two first sliding shoes 30 outward, and first sliding shoe 30 penetrates into during being pushed outward In the lock slots 11, and the outboard end of first sliding shoe 30 also overcomes the elastic force for pushing away spring 51 in described to extend into In the interior sliding slot 5, when 40 right side of the second sliding shoe is abutted with the right end wall of second sliding groove 4, control The pushing motor 42 is stopped, at this point, 30 inner side end of the first sliding shoe respectively with outside the second sliding shoe 40 Side end face abuts, and first sliding shoe 30 then penetrates in the lock slots 11, to lock the position of the mortise lock block 10 It is fixed, i.e., the billboard main body 1 is fixed.
When needing dismounting, controls the work of the pushing motor 42 and invert, screw thread described in 42 task driven of the pushing motor Bar 43 rotates, and the rotation of the threaded rod 43 drives the second sliding shoe 40 to slide into the most left of second sliding groove 4 to the left End position, at this point, under the impetus of the interior pushing device, two first sliding shoes 30 are restored to initial position shape State, and under the action of the outer pushing device, the billboard main body 1 and the mortise lock block 10 are released to the right one end distance, The mortise lock block 10 is finally extracted into the dismounting that the billboard main body 1 can be realized in the mortise lock slot 20.
The beneficial effects of the invention are as follows:
1. by the way that mortise lock block to be gradually inserted in mortise lock slot, mortise lock block initially passes through after being inserted into mortise lock slot and penetrates slot, until Mortise lock block left side is abutted with mortise lock slot right end wall, at this point, extrapolation sliding block overcomes the elastic force of extrapolation spring and is contracted in extrapolation In sliding slot, lock slots are communicated with the first sliding groove, the rotation of pushing motor task driven threaded rod are then controlled, to driving second Sliding shoe slides to the right, and to be pushed two the first sliding shoes outward by the second sliding shoe, the first sliding shoe is outside Side penetrates into during pushing in lock slots, and the outboard end of the first sliding shoe also overcomes the interior elastic force for pushing away spring to stretch into Into interior sliding slot, when the second sliding shoe right side is abutted with the right end wall of the second sliding groove, the first sliding shoe inner side end It is abutted respectively with the second sliding shoe end face outside, the first sliding shoe then penetrates in lock slots, to lock the position of mortise lock block It is fixed, i.e., billboard main body is fixed;To realize the autopatching locking of mortise lock block, it is convenient for the installation exercise of billboard main body, Improve the installation effectiveness of billboard main body.
2. by controlling pushing motor work reversion, the rotation of pushing motor task driven threaded rod, threaded rod rotation driving The second sliding shoe slides into the left end position of the second sliding groove to the left, at this point, under the impetus of interior pushing device, two One sliding shoe is restored to initial position, and under the action of outer pushing device, billboard main body and mortise lock block are released to the right Mortise lock block extraction mortise lock slot finally can be realized the dismounting of billboard main body, mortise lock is automatically controlled to realize by one end distance Block unlocks, and the disassembling, assembling and replacing convenient for billboard main body and maintenance reduce manual labor.
3. overall structure of the present invention is simple, easy to use, installation steps are easy, and can realize mortise lock block automatically controls lock The installation and removal operation of billboard main body is realized in fixed and unlock, installation and removal are time saving and energy saving, convenient for billboard main body It replaces and safeguards, improve usability and practicability.
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 (7)

1. a kind of firm billboard, including stationary base mount and billboard, including stationary base mount and removably to pacify Billboard main body on the stationary base mount, it is characterised in that:It is symmetrically set in front and back on billboard main body left side It is equipped with mortise lock block, lock slots are provided through before and after on the mortise lock block bottom face, is provided in the stationary base mount front and back The first sliding groove and left and right extended extends and through the second sliding groove of first sliding groove, the stationary base mount right end It is extended through to the left in the front and back mortise lock slot being symmetrically arranged with to be connected with the mortise lock block, the mortise lock slot on face First sliding groove is provided with extrapolation sliding slot on the stationary base mount right side between two first sliding grooves, First sliding groove rear and front end is symmetrically arranged with the interior sliding slot communicated with first sliding groove, in the interior sliding slot It is provided with interior pushing device, outer pushing device is provided in the extrapolation sliding slot, front and back be symmetrically arranged with can in first sliding groove The first sliding shoe slid back and forth, the first sliding shoe inner side end left side are provided with compression inclined surface, first sliding Left and right is provided through on the upper surface of block outboard end penetrates slot for what the mortise lock block passed through, is arranged in second sliding groove There are the second sliding shoe that can be horizontally slipped, the second sliding shoe rear and front end right side of face to be provided with to tilt with the compression Face abuts the pressure inclined surface of sliding connection, and the second sliding shoe left side is provided with threaded hole, in the threaded hole Screw-thread fit is connected with threaded rod, the threaded rod left end and pushing motor be connected by power, the interior pushing device include with it is described The interior push skateboard of interior sliding slot sliding connection and to push away spring in pushing the interior push skateboard inwardly, it is described Outer pushing device includes the extrapolation sliding block with the extrapolation sliding slot sliding connection, is symmetrically set in end wall before and after the extrapolation sliding slot It is equipped with the extrapolation limiting slot extended to the left, the left side integral type in the extrapolation sliding block rear and front end face is connected with to be limited with the extrapolation The extrapolation limited block of position slot sliding connection, is provided with to push up the extrapolation limited block outward in the extrapolation limiting slot The extrapolation spring of pressure is provided with regulation silencing shock-reduction device on the pushing motor.
2. a kind of firm billboard according to claim 1, it is characterised in that:The mortise lock block and the mortise lock flute length Spend it is identical, to improve installation engagement leakproofness and stability.
3. a kind of firm billboard according to claim 1, it is characterised in that:It is arranged on the extrapolation sliding block right side There is rubber pad, the extrapolation sliding block is identical as the extrapolation sliding slot volume, and second sliding groove is located at the extrapolation sliding slot Left end.
4. a kind of firm billboard according to claim 1, it is characterised in that:The length of two first sliding shoes The sum of be equal to the length of first sliding groove, the distance of the lock slots in the lateral direction and first sliding shoe are on a left side Distance in right direction is identical, the distance of the mortise lock block in the longitudinal direction with it is described penetrate slot in the longitudinal direction at a distance from It is identical, to realize that lock fit connects.
5. a kind of firm billboard according to claim 1, it is characterised in that:Pushing motor setting is described the In two sliding groove left end walls, the compression inclined surface is identical as the pressure angle of inclination of inclined surface, to realize unlock work( Can, replacement and maintenance easy to disassemble.
6. a kind of firm billboard according to claim 1, it is characterised in that:It is described in push away spring one end with it is described interior Push skateboard is fixedly connected, and other end is fixedly connected with the outer end wall of the interior sliding slot, the extrapolation spring one end with it is described Extrapolation limited block is fixedly connected, and other end is fixedly connected with the left end wall of the extrapolation limiting slot.
7. a kind of firm billboard according to claim 1, it is characterised in that:The regulation silencing shock-reduction device includes fixing The silencing pad of two sides is set above and below the pushing motor and is fixed at the damping in pushing motor front and rear sides face Plate, the silencing pad are connected with the vibration damper plate.
CN201810265908.3A 2018-03-28 2018-03-28 A kind of firm billboard Pending CN108510878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810265908.3A CN108510878A (en) 2018-03-28 2018-03-28 A kind of firm billboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810265908.3A CN108510878A (en) 2018-03-28 2018-03-28 A kind of firm billboard

Publications (1)

Publication Number Publication Date
CN108510878A true CN108510878A (en) 2018-09-07

Family

ID=63379070

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810265908.3A Pending CN108510878A (en) 2018-03-28 2018-03-28 A kind of firm billboard

Country Status (1)

Country Link
CN (1) CN108510878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111369891A (en) * 2020-04-29 2020-07-03 翟佳 Municipal administration slogan tablet fixing device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107342028A (en) * 2017-01-24 2017-11-10 曹磊 A kind of advertising board device of convenient installation
CN107477445A (en) * 2017-09-12 2017-12-15 陈军 One kind decoration LED lamp
CN107747703A (en) * 2017-10-25 2018-03-02 宣城市益成电子科技有限公司 A kind of new LED ceiling lamp being easily installed
CN107830418A (en) * 2017-11-08 2018-03-23 厉炳炳 A kind of LED lamp for being easy to manipulate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107342028A (en) * 2017-01-24 2017-11-10 曹磊 A kind of advertising board device of convenient installation
CN107477445A (en) * 2017-09-12 2017-12-15 陈军 One kind decoration LED lamp
CN107747703A (en) * 2017-10-25 2018-03-02 宣城市益成电子科技有限公司 A kind of new LED ceiling lamp being easily installed
CN107830418A (en) * 2017-11-08 2018-03-23 厉炳炳 A kind of LED lamp for being easy to manipulate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111369891A (en) * 2020-04-29 2020-07-03 翟佳 Municipal administration slogan tablet fixing device
CN111369891B (en) * 2020-04-29 2022-03-11 台州万博建筑工程有限公司 Municipal administration slogan tablet fixing device

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