Synchronous clamping device for decorative picture

Abstract

The invention relates to the technical field of decorative picture positioning equipment, and discloses a decorative picture synchronous clamping device which solves the problems that an existing decorative picture needs to be clamped, fixed and buckled with a protective cover for protection during exhibition, fixing of the decorative picture and the protective cover needs to be divided into two procedures, and operation is very inconvenient. Connecting lugs used for being fixed to a wall are fixedly installed at the two ends of the two sides of the device shell correspondingly, a glass protective cover is arranged at the front portion of the device shell, inserting rods are fixedly installed at the four corners of one side of the glass protective cover correspondingly, clamping holes are formed in one sides of the four inserting rods correspondingly, and inserting holes are formed in the four corners of the front portion of the device shell correspondingly. A partition plate is fixedly installed in the device shell, and a decorative picture body is arranged between the device shell and the glass shield. According to the synchronous clamping device for the decorative picture, the protective cover can be synchronously positioned while the decorative picture is synchronously clamped, and an operator can conveniently use the synchronous clamping device.

Description

Technical Field

[0001] The invention belongs to the technical field of decorative painting positioning equipment, and in particular relates to a decorative painting synchronous clamping device. Background Art

[0002] The synchronous clamping device for decorative paintings is a device specially designed for clamping and fixing decorative paintings. Its characteristic is that it can realize synchronous clamping to ensure that the decorative paintings will not loosen or fall during display or transportation. The synchronous clamping device for decorative paintings is widely used in galleries, exhibitions, home decoration and other occasions; in galleries and exhibitions, it can provide a stable and reliable fixing method for precious artworks to ensure that they will not be damaged during display; in home decoration, it can provide a convenient fixing method for decorative paintings in living rooms, bedrooms and other spaces, thereby improving the beauty and comfort of the home; the synchronous clamping device for decorative paintings is a powerful, stable and reliable clamp that can provide synchronous clamping and fixing functions for decorative paintings; it has broad application prospects and market demand in galleries, exhibitions and home decoration and other occasions; Existing decorative paintings need to be clamped and fixed and covered with protective covers for protection during exhibition. Fixing the decorative paintings and the protective covers needs to be divided into two processes, which is very inconvenient during operation. Therefore, a synchronous clamping device for decorative paintings is proposed. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a synchronous clamping device for decorative paintings, which effectively solves the problem that the existing decorative paintings in the above background technology need to be clamped and fixed and covered with protective covers for protection during exhibition, and the fixing of the decorative paintings and the protective covers needs to be divided into two processes, which is very inconvenient during operation.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a synchronous clamping device for decorative paintings, comprising a device shell, both ends of both sides of the device shell are fixedly installed with connecting ears for fixing to the wall, a glass shield is provided at the front of the device shell, four corners of one side of the glass shield are fixedly installed with plug rods, one side of the four plug rods is provided with a card hole, and the four corners of the front of the device shell are provided with plug holes, a partition is fixedly installed inside the device shell, a decorative painting body is provided between the device shell and the glass shield, two fixing plates are fixedly installed on the top and bottom of the decorative painting body respectively, four magnets are fixedly installed on one side of the partition, and positioning holes are provided at the four corners of one side of the partition, four iron plates are fixedly installed on the side of the decorative painting body close to the partition, positioning rods are fixedly installed on the four corners of the decorative painting body close to the partition, the upper and lower parts of the partition are provided with openings, four clamping plates are provided between the device shell and the decorative painting body, and the other side of the partition The cam is provided with a plurality of locking plates at the bottom ends of the cams, and a plurality of locking plates are provided at the bottom ends of the cams.

[0005] Preferably, two sliding sleeves are fixedly installed on the surface of the support arm, and sliding rods are inserted into the interior of the sliding sleeves. One end of the sliding rod is fixedly connected to the interior of the opening through a fixing seat, and the other end of the sliding rod is fixedly connected to the inner wall of the device housing.

[0006] Preferably, horizontal bars are fixedly installed at both ends of the vertical bars, pushing plates are fixedly installed at both ends of the two horizontal bars away from each other, the inclined surfaces of one end of the four pushing plates are tightly attached to rollers, moving rods are fixedly installed at one end of the rollers, and the ends of the four moving rods away from the pushing plates are fixedly connected to four clamping rods respectively.

[0007] Preferably, one end of the moving rod surface is movably provided with a mounting seat, one end of the four mounting seats is fixedly connected to the partition, the other end of the four moving rod surfaces is provided with a spring, and the two ends of the four springs are respectively fixedly connected to the mounting seat and the roller.

[0008] Preferably, two limit sleeves are fixedly installed on the sides of the two horizontal bars away from each other, and limit rods are inserted into the interiors of the four limit sleeves. The two ends of the four limit rods are fixedly connected to the partition and the inner wall of the device shell.

[0009] Compared with the prior art, the present invention has the following beneficial effects: (1) During installation, the operator places the decorative painting body into the device housing, and inserts four positioning rods into the four positioning holes to determine the installation position, and at the same time, the four magnets magnetically attract the four iron plates to preliminarily fix the decorative painting body; then the operator inserts the four insertion rods on the glass cover into the four insertion holes, and then the operator rotates the hand wheel to drive the lower sprocket to rotate along the support seat. When the lower sprocket rotates, the upper sprocket is driven to rotate through the chain, and the upper sprocket drives the threaded sleeve to move through the threaded rod; When the threaded sleeve moves, the two supporting arms are driven to move through the two connecting rods. When the two supporting arms move, the four sliding sleeves are driven to slide along the surfaces of the four sliding rods, thereby improving the stability of the two supporting arms when they move. When the two supporting arms move, the four hollow bars are driven to rotate along the two rotating shafts through the four latches. When the four hollow bars rotate, the two transmission rods located at the upper part are driven to rotate clockwise, and the two transmission rods located at the lower part are driven to rotate counterclockwise simultaneously. When the four transmission rods rotate, the four clamping plates are driven to rotate and clamp the four fixing plates, thereby synchronously completing the fixing of the decorative painting body. (2) When the vertical bar moves, the four pushing plates are also driven to move through the two horizontal bars. When the two horizontal bars move, the four limit sleeves are driven to slide along the surfaces of the four limit rods, thereby improving the stability of the two horizontal bars when they move. When the four pushing plates move, the four moving rods are pushed by the four rollers to move along the inside of the four mounting seats, and the four springs are squeezed at the same time, so that the four moving rods have the function of elastic reset. When the four moving rods move, the four clamping rods are driven to clamp into the four clamping holes on the four plugging rods, thereby synchronously positioning the glass cover; (3) The synchronous clamping device for decorative paintings can simultaneously clamp the decorative paintings and simultaneously position the protective cover, which is convenient for the operator to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0011] In the attached picture: Figure 1 This is a schematic structural diagram of the synchronous clamping device for decorative paintings of the present invention; Figure 2 For the present invention Figure 1 The decomposition structure of Figure 1; Figure 3 For the present invention Figure 1 The decomposition structure of Figure 2 ; Figure 4 The internal structure of the housing of the device of the present invention is shown in FIG. Figure 1 ; Figure 5 Schematic diagram of the internal structure of the housing of the device of the present invention Figure 2 ; Figure 6 For the present invention Figure 4 A schematic diagram of a local enlarged structure; Figure 7 For the present invention Figure 5 The enlarged structural diagram at A in the middle; Figure 8 It is a schematic diagram of the structure of the transmission assembly of the present invention; Fig. 9 For the present invention Figure 8 A schematic diagram of a local enlarged structure; In the figure: 1, device housing; 2, decorative painting body; 3, glass cover; 4, plug rod; 5, clamp hole; 6, plug hole; 7, fixing plate; 8, spring; 9, magnet; 10, partition; 11, iron plate; 12, positioning rod; 13, positioning hole; 14, clamping plate; 15, clamp rod; 16, hand wheel; 17, support seat; 18, lower sprocket; 19, upper sprocket; 20, chain; 21, threaded rod ; 22. threaded sleeve; 23. vertical bar; 24. connecting rod; 25. support arm; 26. latch; 27. hollow bar; 28. transmission rod; 29. ​​horizontal bar; 30. pushing plate; 31. opening; 32. sliding sleeve; 33. sliding rod; 34. fixed seat; 35. limiting sleeve; 36. limiting rod; 37. rotating shaft; 38. roller; 39. moving rod; 40. mounting seat; 41. connecting ear. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0013] Embodiment 1, by Figures 1 to 9The present invention comprises a device shell 1, both ends of both sides of the device shell 1 are fixedly installed with connecting ears 41 for fixing to the wall, a glass shield 3 is provided at the front of the device shell 1, plug rods 4 are fixedly installed at the four corners of one side of the glass shield 3, and a card hole 5 is provided on one side of the four plug rods 4, and a plug hole 6 is provided at the four corners of the front of the device shell 1, a partition 10 is fixedly installed inside the device shell 1, a decorative painting body 2 is provided between the device shell 1 and the glass shield 3, two fixing plates 7 are fixedly installed at the top and bottom of the decorative painting body 2, four magnets 9 are fixedly installed on one side of the partition 10, and positioning holes 13 are provided at the four corners of one side of the partition 10, four iron plates 11 are fixedly installed on the side of the decorative painting body 2 close to the partition 10, positioning rods 12 are fixedly installed on the four corners of the decorative painting body 2 close to the partition 10, and openings 31 are provided at the upper and lower parts of the partition 10; During installation, the operator places the decorative painting body 2 into the device housing 1, and inserts the four positioning rods 12 into the four positioning holes 13 to determine the installation position, and at the same time, the four magnets 9 magnetically attract the four iron plates 11 to preliminarily fix the decorative painting body 2, and then the operator inserts the four insertion rods 4 on the glass cover 3 into the four insertion holes 6; Four clamping plates 14 are arranged between the device housing 1 and the decorative painting body 2, and clamping rods 15 adapted to the four clamping holes 5 are arranged on the other side of the partition 10 and at the four corners inside the device housing 1. A lower sprocket 18 is rotatably mounted on the inner bottom of the device housing 1 through a support seat 17, and a hand wheel 16 is fixedly mounted on one side of the lower sprocket 18. An upper sprocket 19 is arranged above the lower sprocket 18 and inside the device housing 1, and one side of the upper sprocket 19 is rotatably connected to the inner wall of the device housing 1, and a chain 20 is meshed and connected between the upper sprocket 19 and the lower sprocket 18, and a threaded rod 21 is fixedly mounted on the other side of the upper sprocket 19, and the threaded rod 21 is fixedly mounted on the other side of the upper sprocket 19. One end of the rod 21 is rotatably connected to the partition 10, and a threaded sleeve 22 is threadedly connected to the surface of the threaded rod 21, and a vertical bar 23 is fixedly installed on the surface of the threaded sleeve 22. Support arms 25 are fixedly installed at both ends of one side of the vertical bar 23 through a connecting rod 24, and latches 26 are fixedly installed at both ends of the two support arms 25. Hollow bars 27 are sleeved on the surfaces of the four latches 26, and one side of the four hollow bars 27 is fixedly connected to the four clamping plates 14 through a transmission rod 28. A rotating shaft 37 is fixedly installed between one end of adjacent hollow bars 27, and the two ends of the rotating shaft 37 are rotatably connected to the inner walls of the two ends of the opening 31 respectively.

[0014] The operator rotates the handwheel 16 to drive the lower sprocket 18 to rotate along the support seat 17. When the lower sprocket 18 rotates, the upper sprocket 19 is driven to rotate through the chain 20. The upper sprocket 19 drives the threaded sleeve 22 to move through the threaded rod 21. When the threaded sleeve 22 moves, it drives the two support arms 25 to move through two connecting rods 24. When the two support arms 25 move, they drive the four hollow bars 27 to rotate along the two rotating shafts 37 through four latches 26. When the four hollow bars 27 rotate, they drive the two transmission rods 28 located at the upper part to rotate clockwise, and synchronously drive the two transmission rods 28 located at the lower part to rotate counterclockwise. When the four transmission rods 28 rotate, they will drive the four clamping plates 14 to rotate and clamp the four fixing plates 7, thereby synchronously completing the fixation of the decorative painting body 2.

[0015] Two sliding sleeves 32 are fixedly installed on the surface of the support arm 25, and a sliding rod 33 is inserted into the interior of the sliding sleeve 32. One end of the sliding rod 33 is fixedly connected to the inside of the opening 31 through a fixing seat 34, and the other end of the sliding rod 33 is fixedly connected to the inner wall of the device housing 1.

[0016] When the two support arms 25 move, the four sliding sleeves 32 are driven to slide along the surfaces of the four sliding rods 33 , thereby improving the stability of the two support arms 25 when moving.

[0017] Embodiment 2, on the basis of embodiment 1, both ends of the vertical bar 23 are fixedly installed with horizontal bars 29, and both ends of the two horizontal bars 29 away from each other are fixedly installed with pushing plates 30, and the inclined surfaces of one end of the four pushing plates 30 are closely attached to the rollers 38, and one end of the rollers 38 is fixedly installed with moving rods 39, and the ends of the four moving rods 39 away from the pushing plates 30 are respectively fixedly connected to the four clamping rods 15; One end of the surface of the moving rod 39 is movably sleeved with a mounting seat 40, one end of the four mounting seats 40 is fixedly connected to the partition 10, and the other end of the surface of the four moving rods 39 is sleeved with a spring 8, and the two ends of the four springs 8 are respectively fixedly connected to the mounting seat 40 and the roller 38; two limit sleeves 35 are respectively fixedly installed on the side of the two horizontal bars 29 away from each other, and the inside of the four limit sleeves 35 is inserted with a limit rod 36, and the two ends of the four limit rods 36 are respectively fixedly connected to the partition 10 and the inner wall of the device housing 1.

[0018] When the vertical bar 23 moves, the four pushing plates 30 are also driven to move through the two horizontal bars 29. When the two horizontal bars 29 move, the four limiting sleeves 35 are driven to slide along the surfaces of the four limiting rods 36, thereby improving the stability of the two horizontal bars 29 when moving. When the four pushing plates 30 move, the four rollers 38 push the four moving rods 39 to move along the inside of the four mounting seats 40, and simultaneously squeeze the four springs 8, so that the four moving rods 39 have the function of elastic reset. When the four moving rods 39 move, the four clamping rods 15 are driven to clamp into the four clamping holes 5 on the four insertion rods 4, thereby synchronously positioning the glass shield 3; this makes the synchronous clamping device for decorative paintings not only synchronously clamp the decorative paintings, but also synchronously position the protective shield, which is convenient for the operator to use.

[0019] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A synchronous clamping device for decorative paintings, comprising a device housing (1), characterized in that: Both ends of the device housing (1) are fixedly installed with connection ears (41) for fixing to the wall, the front of the device housing (1) is provided with a glass shield (3), four corners of one side of the glass shield (3) are fixedly installed with plug rods (4), one side of the four plug rods (4) is provided with a clamping hole (5), the four corners of the front of the device housing (1) are provided with a plug hole (6), the inside of the device housing (1) is fixedly installed with a partition (10), a decorative painting body (2) is provided between the device housing (1) and the glass shield (3), the top and bottom of the decorative painting body (2) are respectively fixedly installed with two fixing plates (7), and the partition (1 0), four magnets (9) are fixedly installed on one side of the partition (10), positioning holes (13) are provided at four corners of one side of the partition (10), four iron plates (11) are fixedly installed on one side of the decorative painting body (2) close to the partition (10), positioning rods (12) are fixedly installed on four corners of the decorative painting body (2) close to the partition (10), openings (31) are provided on the upper and lower parts of the partition (10), four clamping plates (14) are provided between the device housing (1) and the decorative painting body (2), and clamping rods (15) adapted to the four clamping holes (5) are provided on the other side of the partition (10) and at the four corners inside the device housing (1). A lower sprocket (18) is rotatably mounted on the inner bottom of the device housing (1) via a support seat (17), a hand wheel (16) is fixedly mounted on one side of the lower sprocket (18), an upper sprocket (19) is provided above the lower sprocket (18) and inside the device housing (1), one side of the upper sprocket (19) is rotatably connected to the inner wall of the device housing (1), a chain (20) is meshedly connected between the upper sprocket (19) and the lower sprocket (18), a threaded rod (21) is fixedly mounted on the other side of the upper sprocket (19), one end of the threaded rod (21) is rotatably connected to the partition (10), and a threaded rod (21) is threadedly connected to the surface of the threaded rod (21). A threaded sleeve (22) is provided, and a vertical bar (23) is fixedly mounted on the surface of the threaded sleeve (22). Support arms (25) are fixedly mounted on both ends of one side of the vertical bar (23) via a connecting rod (24). Latch pins (26) are fixedly mounted on both ends of the two support arms (25). Hollow bars (27) are sleeved on the surfaces of the four latch pins (26). One side of the four hollow bars (27) is fixedly connected to the four clamping plates (14) via a transmission rod (28). A rotating shaft (37) is fixedly mounted between one end of adjacent hollow bars (27). The two ends of the rotating shaft (37) are respectively rotatably connected to the inner walls of the two ends of the opening (31).

2. A synchronous clamping device for decorative paintings according to claim 1, characterized in that: Two sliding sleeves (32) are fixedly mounted on the surfaces of the support arms (25), and sliding rods (33) are inserted into the interior of the sliding sleeves (32). One end of the sliding rod (33) is fixedly connected to the interior of the opening (31) via a fixing seat (34), and the other end of the sliding rod (33) is fixedly connected to the inner wall of the device housing (1).

3. A synchronous clamping device for decorative paintings according to claim 1, characterized in that: Both ends of the vertical bar (23) are fixedly mounted with a horizontal bar (29), and both ends of the two horizontal bars (29) on the side away from each other are fixedly mounted with a pushing plate (30), one end inclined surface of the four pushing plates (30) is tightly attached to a roller (38), one end of the roller (38) is fixedly mounted with a moving rod (39), and one end of the four moving rods (39) away from the pushing plate (30) is fixedly connected to four clamping rods (15) respectively.

4. A synchronous clamping device for decorative paintings according to claim 3, characterized in that: One end of the surface of the moving rod (39) is movably sleeved with a mounting seat (40), one end of each of the four mounting seats (40) is fixedly connected to the partition (10), and the other end of the surface of the four moving rods (39) is sleeved with a spring (8), and both ends of the four springs (8) are respectively fixedly connected to the mounting seat (40) and the roller (38).

5. A synchronous clamping device for decorative paintings according to claim 3, characterized in that: Two limit sleeves (35) are respectively fixedly mounted on the sides of the two horizontal bars (29) that are away from each other, and the interiors of the four limit sleeves (35) are each inserted with a limit rod (36), and both ends of the four limit rods (36) are respectively fixedly connected to the partition plate (10) and the inner wall of the device housing (1).

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