Mounting structure of anti-static high-temperature-resistant PU (polyurethane) protective film without adhesive residue

Abstract

The utility model discloses a mounting structure of an anti-static high-temperature-resistant PU (polyurethane) protective film without residual adhesive, which relates to the technical field of anti-static protective films and comprises a mounting shell, a through groove is formed in the upper end of the mounting shell, a first mounting groove is formed in the inner side wall of the mounting shell, and a pressing column is movably connected into the mounting shell. The pressing column is slidably connected with the inner side wall of the through groove, the lower end of the pressing column is fixedly connected with a connecting block, the end, away from the pressing column, of the connecting block is fixedly connected with a clamping plate, the side wall of the clamping plate is fixedly connected with a pushing block, and fixing assemblies are arranged in the installation shell. A pressing column is directly pressed to drive a clamping plate to vertically move downwards, then a fixing block in a fixing assembly is used for limiting a pushing block, then fixing of the clamping plate to the protective film body is completed, the device is easy to operate, a threaded rod does not need to be frequently rotated, the workload of workers is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of antistatic protective films, in particular to an installation structure of an antistatic high-temperature resistant PU protective film without residual adhesive. Background Art

[0002] PET antistatic protective film is made of antistatic treated polyester film as the base material, coated with acrylic adhesive and antistatic treatment layer and attached with release film. The protective film is made of antistatic treated polyester film as the base material, coated with acrylic adhesive and antistatic treatment layer and attached with release film. It is a surface protection material with the function of preventing dust and impurities from being adsorbed and preventing electrostatic damage. The existing high-temperature resistant and non-residual adhesive antistatic protective film on the market is not convenient to install. During the installation process, the film needs to be pulled in by hand, but fingerprints will be accidentally left on the sticky surface, thus affecting the appearance of the film.

[0003] Chinese patent document CN216337382U discloses a high temperature resistant and non-sticky antistatic protective film, including an electrostatic protective film and a mounting shell, the side wall of the mounting shell is provided with a mounting groove, the side wall of the mounting groove is provided with an operating cavity, a sliding rod is rotatably connected between the top and bottom inner walls of the operating cavity, two sliding seats are slidably installed in the sliding rod, a spring is fixedly connected between the two sliding seats, a hinged rod is hinged on the sliding seat, the other ends of the two hinged rods are hinged with the same hinge block, a threaded sleeve is installed through the side wall of the operating cavity, and a threaded rod is threadedly connected in the threaded sleeve. The above-mentioned high temperature resistant and non-sticky antistatic protective film has shortcomings. Although the device can avoid fingerprints on the sticky surface when installing the protective film, it has limitations. When installing the protective film body, the threaded rod needs to be frequently rotated. In the installation of a large number of protective films, this method causes a large workload for workers and low installation efficiency. Moreover, rotating the threaded rod in a fatigued state will result in loose installation or inaccurate position, thereby affecting the use effect of the protective film.

[0004] Therefore, in order to solve such problems, we propose an installation structure of an anti-static and high-temperature resistant PU protective film without residual adhesive. Utility Model Content

[0005] The purpose of the utility model is to provide an installation structure for an anti-static and high-temperature PU protective film without residual adhesive, aiming to solve the problem in the above-mentioned background technology that the existing high-temperature resistant and non-residual anti-static protective film requires frequent rotation of the threaded rod when in use. In the installation of a large number of protective films, this method causes a large workload for workers and low installation efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an installation structure of an anti-static and high-temperature resistant PU protective film without residual adhesive, including an installation shell, the upper end of the installation shell is provided with a through groove, the inner side wall of the installation shell is provided with a first installation groove, a pressing column is movably connected inside the installation shell, the pressing column is slidably connected to the inner side wall of the through groove, the lower end of the pressing column is fixedly connected to a connecting block, the end of the connecting block away from the pressing column is fixedly connected to a clamping plate, the side wall of the clamping plate is fixedly connected to a pushing block, a fixing component is arranged inside the installation shell, the fixing component includes a first spring, one end of the first spring is fixedly connected to the inner wall of the first installation groove, the other end of the first spring is fixedly connected to a top block, the top block is slidably connected to the inner side wall of the first installation groove, the end of the top block away from the first spring is fixedly connected to the fixing block, the ends adjacent to the fixing block and the pushing block are both provided with inclined surfaces, and the inner bottom wall of the installation shell is movably connected to the protective film body.

[0007] Preferably, a second mounting groove is formed on the inner side wall of the mounting shell, and a limiting assembly is arranged inside the mounting shell, the limiting assembly includes a pull plate, one end of the pull plate is fixedly connected with a connecting column, the connecting column is located in the second mounting groove, the end of the connecting column away from the pull plate is fixedly connected to the fixed block, the side wall of the connecting column is fixedly connected to a limiting ring, the side wall of the connecting column is movably sleeved with a second spring, and the second spring is located at the end of the limiting ring away from the fixed block.

[0008] Preferably, a limiting groove is provided on the inner side wall of the installation shell, a limiting block is fixedly connected to the side wall of the clamping plate, and the limiting block is slidably connected to the limiting groove.

[0009] Preferably, one end of the clamping plate away from the connecting block is fixedly connected with a plurality of rubber columns.

[0010] Preferably, the distance between the push block and the inner side wall of the mounting shell is greater than the width of the fixing block.

[0011] Preferably, the connection block is in the shape of an isosceles trapezoid.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, a fixing component and a pushing block are provided. The pressing column is directly pressed to drive the clamping plate to move vertically downward. Then the fixing block in the fixing component is used to limit the pushing block, thereby completing the fixing of the clamping plate to the protective film body. The setting is simple to operate and does not require frequent rotation of the threaded rod, which reduces the workload of workers and improves work efficiency. It solves the problem that rotating the threaded rod in a fatigue state will lead to loose installation or inaccurate position. Secondly, a rubber column is provided to increase the friction between the clamping plate and the protective film, increase the fixing effect, and the structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1A three-dimensional schematic diagram of the installation structure of an anti-static and high-temperature resistant PU protective film without residual adhesive proposed by the utility model Figure 1 ;

[0015] Figure 2 A three-dimensional schematic diagram of the installation shell in the installation structure of the anti-static and high-temperature resistant PU protective film without residual adhesive proposed by the utility model Figure 1 ;

[0016] Figure 3 A three-dimensional schematic diagram of the installation shell in the installation structure of the anti-static and high-temperature resistant PU protective film without residual adhesive proposed by the utility model Figure 2 ;

[0017] Figure 4 It is a three-dimensional schematic diagram of a clamping plate in an installation structure of an anti-static and high-temperature resistant PU protective film without residual adhesive proposed by the utility model;

[0018] Figure 5 This is a three-dimensional exploded schematic diagram of a fixed component in an installation structure of an anti-static and high-temperature resistant PU protective film without residual adhesive proposed by the utility model.

[0019] Legend:

[0020] 1. Install the shell; 101. Through slot; 102. Limiting slot; 103. First installation slot; 104. Second installation slot; 11. Pressing column; 111. Connecting block; 12. Clamping plate; 121. Pushing block; 122. Limiting block; 123. Rubber column; 13. Fixing assembly; 131. First spring; 132. Top block; 133. Fixing block; 2. Protective film body; 3. Limiting assembly; 31. Pull plate; 32. Connecting column; 33. Limiting ring; 34. Second spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Reference Figure 1-5 The utility model provides an embodiment: an installation structure of an anti-static and high-temperature resistant PU protective film without residual adhesive, including an installation shell 1, a through groove 101 is opened at the upper end of the installation shell 1, a first installation groove 103 is opened on the inner wall of the installation shell 1, a pressing column 11 is movably connected inside the installation shell 1, the pressing column 11 is slidably connected to the inner wall of the through groove 101, a connecting block 111 is fixedly connected to the lower end of the pressing column 11, and a clamping plate 12 is fixedly connected to the end of the connecting block 111 away from the pressing column 11, and the side wall of the clamping plate 12 is fixedly connected A push block 121 and a fixing component 13 are arranged inside the mounting shell 1, and the fixing component 13 includes a first spring 131, one end of the first spring 131 is fixedly connected to the inner wall of the first mounting groove 103, and the other end of the first spring 131 is fixedly connected to a top block 132, and the top block 132 is slidably connected to the inner wall of the first mounting groove 103, and the end of the top block 132 away from the first spring 131 is fixedly connected to a fixing block 133, and the adjacent ends of the fixing block 133 and the push block 121 are both provided with inclined surfaces, and the inner bottom wall of the mounting shell 1 is movably connected to the protective film body 2.

[0024] The arrangement is achieved by placing the protective film body 2 on the inner bottom wall of the mounting shell 1, and then pressing the pressing column 11, so that the pressing column 11 drives the connecting block 111 to move vertically downward, so that the connecting block 111 drives the clamping plate 12 to move vertically downward, so that the clamping plate 12 drives the pushing block 121 to move vertically downward, so that the pushing block 121 squeezes the fixing block 133, so that the fixing block 133 drives the top block 132 to slide in the first mounting groove 103, so that the top block 132 squeezes the first spring 131, and then the pushing block 121 continues to move downward and releases the limit on the fixing block 133, and then utilizes the elastic force of the first spring 131 so that the first spring 131 drives the fixing block 133 to limit the pushing block 121 through the top block 132, and then utilizes the pushing block 121 to drive the clamping plate 12 to fix the protective film body 2.

[0025] A second mounting groove 104 is provided on the inner side wall of the mounting shell 1, and a limiting assembly 3 is arranged inside the mounting shell 1. The limiting assembly 3 includes a pull plate 31, one end of the pull plate 31 is fixedly connected to a connecting column 32, the connecting column 32 is located in the second mounting groove 104, the end of the connecting column 32 away from the pull plate 31 is fixedly connected to the fixing block 133, the side wall of the connecting column 32 is fixedly connected to the limiting ring 33, the side wall of the connecting column 32 is movably sleeved with a second spring 34, the second spring 34 is located at the end of the limiting ring 33 away from the fixing block 133, by pulling the pull plate 31, the pull plate 31 drives the connecting column 32 to move linearly, so that the connecting column 32 simultaneously drives the limiting ring 33 and the fixing block 133 to move linearly, so that the fixing block 133 releases the limiting of the push block 121, and at the same time the limiting ring 33 squeezes the second spring 34, when the fixing block 133 releases the limiting of the push block 121, the elastic force of the second spring 34 is used to reset.

[0026] A limiting groove 102 is formed on the inner side wall of the mounting shell 1, and a limiting block 122 is fixedly connected to the side wall of the clamping plate 12. The limiting block 122 is slidably connected to the limiting groove 102 to limit the clamping plate 12 so that the clamping plate 12 can stably move vertically and linearly.

[0027] One end of the clamping plate 12 away from the connecting block 111 is fixedly connected with a plurality of rubber columns 123 for increasing friction and clamping the protective film body 2 .

[0028] The distance between the push block 121 and the inner wall of the mounting housing 1 is greater than the width of the fixing block 133 , so as to smoothly pull the pull plate 31 to drive the fixing block 133 to release the limit on the push block 121 .

[0029] The connection block 111 is in the shape of an isosceles trapezoid, and is used to make the clamping plate 12 evenly receive downward force through the connection block 111 when pressing the pressing column 11 .

[0030] Working principle: first, the protective film body 2 is placed on the inner bottom wall of the mounting shell 1, and then the pressing column 11 is pressed, the pressing column 11 drives the connecting block 111 to move vertically downward, the connecting block 111 drives the clamping plate 12 to move vertically downward, the clamping plate 12 drives the pushing block 121 to move vertically downward, the pushing block 121 squeezes the fixing block 133, the fixing block 133 drives the top block 132 to slide in the first mounting groove 103, the top block 132 squeezes the first spring 131, and then the pushing block 121 continues to move downward and releases the limit on the fixing block 133, and then uses the first spring 131 to release the limit on the fixing block 133. Due to the elastic force of the spring 131, the first spring 131 drives the fixed block 133 to limit the push block 121 through the top block 132, and then uses the push block 121 to drive the clamping plate 12 to fix the protective film body 2, and then by pulling the pull plate 31, the pull plate 31 drives the connecting column 32 to move linearly, and the connecting column 32 simultaneously drives the limiting ring 33 and the fixed block 133 to move linearly, the fixed block 133 releases the limit of the push block 121, and at the same time the limiting ring 33 squeezes the second spring 34, and when the fixed block 133 releases the limit of the push block 121, it is reset by the elastic force of the second spring 34.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mounting structure for an antistatic and high temperature resistant PU protective film without residual adhesive, comprising a mounting housing (1), characterized in that: The upper end of the installation shell (1) is provided with a through slot (101), the inner side wall of the installation shell (1) is provided with a first installation slot (103), a pressing column (11) is movably connected inside the installation shell (1), the pressing column (11) is slidably connected to the inner side wall of the through slot (101), a connecting block (111) is fixedly connected to the lower end of the pressing column (11), an end of the connecting block (111) away from the pressing column (11) is fixedly connected to a clamping plate (12), a side wall of the clamping plate (12) is fixedly connected to a push block (121), and a fixing assembly (13) is arranged inside the installation shell (1). ), the fixing assembly (13) comprises a first spring (131), one end of the first spring (131) is fixedly connected to the inner wall of the first mounting groove (103), the other end of the first spring (131) is fixedly connected to a top block (132), the top block (132) is slidably connected to the inner wall of the first mounting groove (103), one end of the top block (132) away from the first spring (131) is fixedly connected to a fixing block (133), the adjacent ends of the fixing block (133) and the push block (121) are both provided with inclined surfaces, and the inner bottom wall of the mounting shell (1) is movably connected to the protective film body (2).

2. The installation structure of the antistatic and high temperature resistant PU protective film without residual adhesive according to claim 1, characterized in that: The inner wall of the installation shell (1) is provided with a second installation groove (104), and a limit assembly (3) is arranged inside the installation shell (1). The limit assembly (3) comprises a pull plate (31), one end of the pull plate (31) is fixedly connected to a connecting column (32), the connecting column (32) is located in the second installation groove (104), the end of the connecting column (32) away from the pull plate (31) is fixedly connected to the fixed block (133), the side wall of the connecting column (32) is fixedly connected to the limit ring (33), the side wall of the connecting column (32) is movably sleeved with a second spring (34), and the second spring (34) is located at the end of the limit ring (33) away from the fixed block (133).

3. The installation structure of the antistatic and high temperature resistant PU protective film without residual adhesive according to claim 1, characterized in that: The inner side wall of the installation shell (1) is provided with a limiting groove (102), the side wall of the clamping plate (12) is fixedly connected to a limiting block (122), and the limiting block (122) is slidably connected to the limiting groove (102).

4. The installation structure of the antistatic and high temperature resistant PU protective film without residual adhesive according to claim 1, characterized in that: One end of the clamping plate (12) away from the connecting block (111) is fixedly connected to a plurality of rubber columns (123).

5. The installation structure of the antistatic and high temperature resistant PU protective film without residual adhesive according to claim 1, characterized in that: The distance between the push block (121) and the inner wall of the mounting shell (1) is greater than the width of the fixing block (133).

6. The installation structure of the antistatic and high temperature resistant PU protective film without residual adhesive according to claim 1, characterized in that: The connection block (111) is in the shape of an isosceles trapezoid.

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