Anti-theft and anti-disassembly propaganda screen
Through the combined design of the outer lock component and the inner lock component, the problem of cumbersome maintenance of the publicity screen is solved, and a stable hanging structure and hidden control buttons are realized, which improves the safety and convenience of the publicity screen.
Patent Information
- Application Number
- CN202422214846.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-09-10
AI Technical Summary
The existing publicity screen is prone to stolen and disassembled, and the maintenance and maintenance are complicated after fixing. The external control buttons and content input interfaces are at risk of malicious replacement, which affects the accuracy and seriousness of information dissemination.
The combination design of the outer lock assembly and the inner lock assembly is adopted. The outer lock assembly includes a cover plate and an outer lock. The inner lock assembly includes a pressing lock core and a vertical lock member. Through the cooperation of the hook and the strip hole, a stable mounting structure is formed, and the data interface and control buttons are hidden in the strip groove.
Improve the security of the publicity screen, prevent malicious disassembly, simplify the maintenance process, and ensure the accuracy and seriousness of information dissemination.
Smart Images

Figure CN223260301U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of publicity screens, in particular to an anti-theft and disassembly publicity screen. Background Art
[0002] As an important information dissemination tool, promotional screens are widely used in various fields because they can play dynamic videos and images, creating a strong visual impact that effectively attracts the public. Promotional screens typically consist of a display, control system, and housing. Using advanced technology, they can display a variety of information.
[0003] However, existing promotional screens still have shortcomings in their structural design and use. Traditional installation methods for promotional screens are mainly direct hanging and fixed to the target object. The hanging method makes the promotional screens easily stolen and dismantled, causing economic losses to users and interrupting the dissemination of information. The fixed method is more cumbersome to maintain and repair, requiring a large amount of manpower and time. In addition, the control buttons and content input interfaces of some promotional screens are external, which poses the risk of arbitrary content replacement for some promotional screens with specific content, seriously affecting the accuracy and seriousness of the promotion.
[0004] In summary, the existing promotional screens still need to be improved in terms of structure and safety of use. Utility Model Content
[0005] In view of this, the present invention proposes an anti-theft and disassembly promotional screen, which aims to solve the problems that the existing promotional screen is easy to be disassembled and the maintenance and repair after being fixed is cumbersome, so as to improve the safety and convenience of using the promotional screen.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] An anti-theft and disassembly promotional screen comprises a housing and a promotional screen body assembled in the housing, an outer locking assembly, a base plate and an inner locking assembly;
[0008] A strip groove is vertically provided on one side wall of the housing, and the outer lock assembly includes a cover plate covering the opening of the strip groove and an outer lock fixing the cover plate and the housing;
[0009] Hooks are vertically fixed on both sides of the front of the base, each hook having a hanging slot with an upper opening, and the back plate of the shell is provided with strip holes corresponding to the hooks one by one, and the shell is vertically hung on the base through the strip holes and the hanging slots;
[0010] The inner lock assembly includes a push lock core and a vertical lock piece. The push lock core passes through the inner wall of the strip groove, and the pressing part of the push lock core is located in the strip groove. The lock head of the push lock core is located in the outer shell. A vertical lock piece extending into the outer shell is fixed to one side of the front of the substrate. The vertical lock piece is provided with a lock hole coaxial with the push lock core. The lock head of the push lock core is laterally extended to be locked in the lock hole or disengaged from the vertical lock piece.
[0011] To better implement the above technical solution, optionally, there are four hooks, which are spaced apart at upper and lower sides on both sides of the front surface of the substrate.
[0012] Optionally, a through hole for passing a vertical locking member is provided on the back plate of the housing, and a length of the through hole for vertical movement of the vertical locking member is greater than a height of the hanging groove.
[0013] Optionally, a plurality of adhesive backings are provided on the back side of the substrate, and the adhesive backings are used to fix the substrate on the target object.
[0014] Optionally, the substrate is provided with a plurality of connection holes, each of which is used to penetrate a screw for fixing the substrate to the target object.
[0015] Optionally, the hook is an L-shaped plate, the horizontal end of the hook is fixed on the base plate, and the upper end of the hanging groove is a flared structure.
[0016] Optionally, the vertical locking member is a U-shaped structural member with an upper opening or a lower opening, and the locking hole is provided on a side of the vertical locking member close to the strip groove.
[0017] Optionally, the data interface, volume control key, and power button of the promotional screen body are all arranged in the strip-shaped groove.
[0018] Optionally, a heat dissipation component is provided on the back plate of the housing, and the base plate is provided with heat dissipation holes facing the heat dissipation component from front to back.
[0019] Beneficial effects of the utility model:
[0020] The utility model provides an anti-theft and disassembly promotional screen, which uses a pressing lock core and a vertical lock piece to lock, and a bar hole and a hook to hang, and the hanging structure formed together to fix the shell. The fixing method is stable and not easy to be maliciously disassembled. The cover plate is covered at the opening of the bar groove and an exposed lock is provided to fix the cover plate, which increases the difficulty of disassembly, thereby improving the safety of the promotional screen. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a three-dimensional schematic diagram of an anti-theft and dismantling publicity screen according to an embodiment of the present utility model;
[0022] Figure 2 yes Figure 1 Exploded diagram;
[0023] Figure 3 yes Figure 1 3D schematic diagram of some structures;
[0024] Figure 4 yes Figure 3 Enlarged view of point A in the middle;
[0025] Reference numerals:
[0026] Shell 10, strip groove 101, cover plate jack 102, back plate 110, strip hole 111, through hole 112, cover plate 12, plug-in plate 121, heat dissipation component 13, promotional screen body 20, data interface 201, volume control key 202, power button 203, base plate 30, connection hole 301, heat dissipation hole 302, hook 31, hanging slot 311, external lock 40, push lock cylinder 51, vertical lock piece 52, lock position hole 521. DETAILED DESCRIPTION
[0027] The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments, wherein the same components are represented by the same reference numerals.
[0028] See also Figures 1 to 4 The embodiment of the utility model discloses an anti-theft and disassembly promotional screen, which includes a shell 10, a promotional screen body 20, an outer locking component, a base plate 30 and an inner locking component.
[0029] like Figure 1 As shown, the publicity screen body 20 is assembled in the outer shell 10, and the two form an integrated structure. The publicity screen body 20 is preferably an electronic display screen. The content played by the publicity screen body 20 can be determined according to the usage scenario and the purpose of publicity. For example, the content played by the public security system is videos and images of community police introductions, anti-fraud, drug control, and fire safety. The publicity screen body 20 is a purchased part, and the specific structure is not repeated here.
[0030] like Figure 1 and Figure 2 As shown, a strip groove 101 is vertically provided on one side wall of the housing 10 . Specifically, the strip groove 101 is provided on the upper portion of the right side wall of the housing 10 , which facilitates the convenience of hanging the anti-theft and removal promotional screen on the base plate 30 .
[0031] like Figure 2 and Figure 3 As shown, the outer lock assembly includes a cover plate 12 covering the opening of the strip groove 101 and an outer lock 40 fixing the cover plate 12 and the housing 10. Specifically, a cover plate insertion hole 102 is provided at the bottom of the strip groove 101, and an inserting plate 121 is fixed to the bottom of the side of the cover plate 12 facing the strip groove 101. The inserting plate 121 is inserted into the cover plate insertion hole 102. Figure 4As shown, the insert plate 121 is L-shaped. The insert plate 121 is inserted into the cover plate insertion hole 102 to position the cover plate 12. The outer lock 40 is fixedly installed in the upper area of the cover plate 12. The outer lock 40 is a purchased key lock. During the assembly process, the insert plate 121 is first inserted into the cover plate insertion hole 102, and then the lock core of the outer lock 40 is rotated to fix the cover plate 12 at the opening of the strip groove 101.
[0032] like Figure 2 and Figure 3 As shown, hooks 31 are vertically fixed on both sides of the front of the base plate 30. The hooks 31 have a hanging groove 311 with an upper opening. The back plate 110 of the shell 10 is provided with a strip hole 111 corresponding to the hook 31 one by one. The shell 10 is vertically hung on the base plate 30 through the strip hole 111 and the hanging groove 311.
[0033] Specifically, there are four hooks 31, and they are arranged at intervals on both sides of the front of the substrate 30, that is, two hooks 31 are arranged on the left and right sides of the front of the substrate 30, and the hooks 31 on the same side are arranged at intervals. The four hooks 31 are all L-shaped plates, and the horizontal ends of the hooks 31 are fixed on the substrate 30. The upper end of the hanging groove 311 is a flared structure, and the lower part of the hanging groove 311 is a strip structure. When hanging the shell 10, align the strip holes 111 with the hooks 31 front and back, move the shell 10 backward, so that the hooks 31 extend into the shell 10 from the strip holes 111, and then slowly push the shell 10 downward until the top of the strip hole 111 is pressed against the bottom surface of the hanging groove 311, so that the shell 10 is hung on the substrate 30.
[0034] like Figure 2 and Figure 3 As shown, the inner lock assembly includes a push lock cylinder 51 and a vertical lock piece 52. The push lock cylinder 51 passes through the inner wall of the strip groove 101, and the pressing portion of the push lock cylinder 51 is located in the strip groove 101. The lock head of the push lock cylinder 51 is located in the shell 10. A vertical lock piece 52 extending into the shell 10 is fixed to one side of the front surface of the substrate 30. Specifically, the vertical lock piece 52 is a U-shaped structural member with an upper opening or a lower opening. In this embodiment, the vertical lock piece 52 is a U-shaped structural member with an upper opening. The vertical lock piece 52 is arranged on the right side of the front surface of the substrate 30. The vertical lock piece 52 is provided with a locking hole 521 coaxial with the push lock cylinder 51. Specifically, the locking hole 521 is opened on the side of the vertical lock piece 52 close to the strip groove 101. The lock head of the push lock cylinder 51 is laterally extended and retracted to be locked in the locking hole 521 or disengaged from the vertical lock piece 52.
[0035] In an embodiment of the utility model, the pressing lock core 51 is a marble pressing lock. When the pressing part of the pressing lock core 51 is pressed for the first time, the lock head of the pressing lock core 51 moves to the left and locks into the lock hole 521, and the shell is locked vertically. When the pressing part of the pressing lock core 51 is pressed again, the lock head of the pressing lock core 51 moves to the right and disengages from the lock hole 521. The pressing lock core 51 and the vertical lock member 52 unlock each other, and at this time the shell 10 can move vertically.
[0036] In an embodiment of the present invention, a through hole 112 for passing the vertical locking member 52 is provided on the back panel 110 of the shell 10. The length of the vertical movement of the vertical locking member 52 through the through hole 112 is greater than the height of the hanging groove 311. This design allows the vertical locking member 52 to not interfere with the up and down movement of the shell 10 when the shell 10 is hung on the base plate 30.
[0037] In this embodiment of the present invention, the back of the base plate 30 is provided with multiple adhesives for securing the base plate 30 to the target object. The base plate 30 is also provided with multiple connection holes 301, each of which is used to receive screws for securing the base plate 30 to the target object. When inside an elevator, the base plate 30 can be secured to the elevator's sidewalls using adhesive. Self-tapping screws can be used on wooden walls, while expansion screws can be used on concrete walls.
[0038] In an embodiment of the present invention, the data interface 201, volume control key 202 and power button 203 of the promotional screen body 20 are all arranged in the strip groove 101, so that sound control, playback content, and power on and off can only be controlled after opening the cover 12, which can prevent the content played on the display screen from being maliciously tampered with and the display screen from being controlled.
[0039] In the embodiment of the present invention, a heat dissipation assembly 13 is provided on the back plate 110 of the housing 10 , and a heat dissipation hole 302 is provided on the base plate 30 corresponding to the front and rear sides of the heat dissipation assembly 13 . The heat dissipation hole 302 can improve the heat dissipation effect of the display body 20 .
[0040] The embodiment of the utility model discloses a method for installing an anti-theft and disassembly propaganda screen: first, the base plate 30 is fixed on the target object by gluing or screwing; second, each bar hole 111 is aligned with each hook 31 front and back, the shell 10 is moved backward, and the hook 31 is extended into the shell 10 from the bar hole 111, and then the shell 10 is slowly pushed downward until the top of the bar hole 111 is pressed against the bottom surface of the hanging groove 311, so that the shell 10 is hung on the base plate 30. In this step, the lock core 51 is pressed. The lock head retracts into the pressing lock core 51 to prevent the locking head of the pressing lock core 51 from blocking the vertical lock member 52 from entering the housing 10; the third step is to press the pressing portion of the pressing lock core 51, and the locking head of the pressing lock core 51 moves to the left and locks into the locking hole 521, so that the pressing lock core 51 and the vertical lock member 52 are locked to each other, and at the same time the strip hole 111 and the hook 31 are hung together to form a safe and stable hanging structure; the fourth step is to cover the cover plate 12 on the opening of the strip groove 101 and lock the outer lock 40.
[0041] An anti-theft and disassembly promotional screen according to an embodiment of the present invention utilizes a locking mechanism between a pressing lock core 51 and a vertical lock member 52, and a hanging mechanism between a bar-shaped hole 111 and a hook 31 to form a hanging structure to fix the outer shell 10. The fixing method is stable and not easily disassembled by malicious intent. The cover plate 12 is covered on the bar-shaped groove 101 and an explicit lock 40 is provided to fix the cover plate 12, which increases the difficulty of disassembly and thus improves the safety of the promotional screen.
[0042] The above-mentioned technical scheme of the present invention is described in detail with reference to specific embodiments. The specific embodiments described are used to help understand the concept of the present invention. Derivations and modifications made by those skilled in the art based on the specific embodiments of the present invention also fall within the scope of protection of the present invention.
Claims
1. An anti-theft and disassembly publicity screen, comprising a housing (10) and a publicity screen body (20) assembled in the housing (10), characterized in that: Also included are an outer lock assembly, a base plate (30), and an inner lock assembly; A strip-shaped groove (101) is vertically provided on one side wall of the housing (10), and the external lock assembly comprises a cover plate (12) covering the opening of the strip-shaped groove (101) and an external lock (40) fixing the cover plate (12) and the housing (10); Hooks (31) are respectively and vertically fixed on both sides of the front surface of the base plate (30), and the hooks (31) have hanging grooves (311) with an upper opening. The back plate (110) of the housing (10) is provided with strip holes (111) corresponding to the hooks (31) one by one. The housing (10) is vertically hung on the base plate (30) through the strip holes (111) and the hanging grooves (311). The inner lock assembly comprises a push lock core (51) and a vertical lock piece (52), wherein the push lock core (51) passes through the inner wall of the strip groove (101), and the pressing portion of the push lock core (51) is located in the strip groove (101), and the lock head of the push lock core (51) is located in the shell (10), and a vertical lock piece (52) extending into the shell (10) is fixed on one side of the front of the base plate (30), and the vertical lock piece (52) is provided with a locking hole (521) coaxial with the push lock core (51), and the lock head of the push lock core (51) is laterally extended to be locked in the locking hole (521) or detached from the vertical lock piece (52).
2. The anti-theft and dismantling publicity screen according to claim 1, characterized in that: There are four hooks (31) arranged at intervals on both sides of the front side of the base plate (30).
3. The anti-theft and dismantling publicity screen according to claim 1, characterized in that: A through hole (112) for passing the vertical locking member (52) is provided on the back plate (110) of the housing (10), and the length of the through hole (112) for the vertical locking member (52) to move vertically is greater than the height of the hanging groove (311).
4. The anti-theft and dismantling publicity screen according to claim 1, characterized in that: The back surface of the substrate (30) is provided with a plurality of adhesives, and the adhesives are used to fix the substrate (30) on the target object.
5. The anti-theft and dismantling publicity screen according to claim 1, characterized in that: The base plate (30) is provided with a plurality of connection holes (301), and each connection hole (301) is used for passing a screw for fixing the base plate (30) to the target object.
6. The anti-theft and removal publicity screen according to claim 1, characterized in that: The hook (31) is an L-shaped plate body, the horizontal end of the hook (31) is fixed on the base plate (30), and the upper end of the hanging groove (311) is a flared structure.
7. The anti-theft and removal publicity screen according to claim 1, characterized in that: The vertical locking member (52) is a U-shaped structural member with an upper opening or a lower opening, and the locking hole (521) is provided on a side of the vertical locking member (52) close to the strip groove (101).
8. The anti-theft and removal publicity screen according to claim 1, characterized in that: The data interface (201), volume control key (202), and power on / off key (203) of the publicity screen body (20) are all arranged in the strip-shaped groove (101).
9. The anti-theft and removal publicity screen according to claim 1, characterized in that: A heat dissipation component (13) is provided on the back plate (110) of the housing (10), and the base plate (30) is provided with heat dissipation holes (302) facing the heat dissipation component (13) from front to back.