Fastening screw with adjustable pressure

Abstract

The utility model relates to the technical field of fastening screws, in particular to a fastening screw with adjustable pressure. According to the technical scheme, the device comprises a threaded rod and further comprises a connecting column, the connecting column is fixedly mounted on the threaded rod, a connecting block is fixedly mounted at one end of the connecting column, a mounting plate is rotatably mounted at the bottom of the connecting block, a cross groove is fixedly formed in the connecting block, and a hexagonal block is slidably mounted on the connecting block; the hexagonal block is arranged on the cross-shaped groove in a sleeving mode, and an adjusting mechanism for adjusting the pressure of the screw is arranged on the threaded rod. The pressure of the screw can be adjusted, the stability of the assembly is improved, the friction force between the assemblies is reduced, the abrasion is reduced, and the assembly is easier to install.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastening screw technical field especially, relates to a kind of adjustable pressure fastening screw. BACKGROUND

[0002] Screw can be fixed together two components, can play the role of fastening, in use, screw is indispensable in daily life Industrial necessity, fastening screw is very extensive in application field, can be used in car, bicycle, various machine tools equipment.

[0003] In the use of screw, need to screw to be fixed to component, with the rotation of screw, the friction between screw components will rise continuously, when friction is too large, it will accelerate the wear between components, reduce the service life of component, while installation and disassembly are more laborious, therefore, the application proposes a kind of adjustable pressure fastening screw. UTILITY MODEL CONTENT

[0004] The utility model aims at the problem that the friction between screw components in background art is too large to affect component life, proposes a kind of adjustable pressure fastening screw.

[0005] The utility model discloses a technical scheme of a kind of adjustable pressure fastening screw, including threaded rod, still including:

[0006] Connecting post, the connecting post is fixedly installed on threaded rod, one end of the connecting post is fixedly installed with connecting block, the bottom of the connecting block is rotatably installed with mounting plate, cross slot is fixedly installed on the connecting block, hexagonal block is slidably installed on the connecting block, the hexagonal block is set on cross slot, the threaded rod is provided with adjusting mechanism for adjusting screw pressure.

[0007] Optionally, the adjusting mechanism includes connecting sleeve fixedly installed on the bottom of mounting plate, spring is fixedly installed on the bottom of the mounting plate, the spring is set on connecting post, guide plate is slidably installed on the connecting sleeve, one end of the guide plate is fixedly installed with mounting plate, nut is threadedly installed on the threaded rod, the nut is rotatably connected with the bottom of mounting plate.

[0008] Optionally, installation cavity is formed in the connecting sleeve, stopper is fixedly installed on one end of the guide plate, the stopper is slidably connected with the inner wall of installation cavity.

[0009] Optionally, a plurality of equidistance arrangement guide columns are fixedly installed on the top of the mounting plate, connecting block is fixedly installed on the top of the nut, connecting slot is formed in the connecting block, the guide column is rotatably connected with connecting slot, the connecting block is not in contact with mounting plate.

[0010] Optionally, the hexagonal block is fixedly provided with a cross slot, and the bottom of the hexagonal block is provided with a mounting slot, and the cross slot is located in the mounting slot.

[0011] Optionally, the connecting block is fixedly provided with a limiting block, and the hexagonal block is provided with a limiting slot in sliding connection with the limiting block.

[0012] Optionally, the connecting sleeve is provided with a connecting opening, and the length of the stop block is greater than the length of the connecting opening.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0014] The utility model discloses a connecting sleeve, a connecting block, a guiding plate, a nut, a mounting plate, a connecting column, a spring, a mounting slot, a limiting slot, a cross slot, a limiting block, a guiding column and a connecting slot are arranged.

[0015] Further, the connecting block and the mounting plate are not in contact by the connecting slot arranged on the mounting plate, cooperating with the guiding column and the connecting slot to rotate, so that the contact area is reduced, the friction is reduced, the installation screw is more labor-saving to disassemble.

[0016] The utility model discloses a connecting sleeve, a connecting block, a guiding plate, a nut, a mounting plate, a connecting column, a spring, a mounting slot, a limiting slot, a cross slot, a limiting block, a guiding column and a connecting slot are arranged. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a kind of adjustable pressure fastening screw structure schematic diagram;

[0018] Figure 2 It is mounting plate, limiting slot and limiting block structure schematic diagram;

[0019] Figure 3 It is mounting slot and connecting slot structure schematic diagram;

[0020] Figure 4 It is guiding column and connecting block structure schematic diagram;

[0021] Figure 5 It is connecting sleeve cutaway structure.

[0022] Fig. 1, threaded rod;2, connecting sleeve;3, hexagonal block;4, connecting block;5, guiding plate;6, nut;7, mounting plate;8, connecting column;9, spring;10, mounting slot;11, limiting slot;12, cross slot;13, limiting block;14, guiding column;15, connecting slot;16, stop block;17, connecting opening. DETAILED DESCRIPTION

[0023] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments.

[0024] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but merely represents selected embodiments of the present application.

[0025] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] It should be noted that the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0028] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Embodiments

[0030] AsFigure 1 、 Figure 2 The utility model provides a fastening screw of adjustable pressure, including threaded rod 1, still include connecting post 8, connecting post 8 fixed mounting is in threaded rod 1, and one end fixed mounting of connecting post 8 has connecting block 4, and the bottom rotatable mounting of connecting block 4 has mounting plate 7, and fixed mounting has cross slot 12 on connecting block 4, make with screwdriver also can screw threaded rod 1, and sliding installation has hexagonal block 3 on connecting block 4, be used for cooperation spanner and rotate threaded rod 1, and hexagonal block 3 is set up on cross slot 12, and threaded rod 1 is provided with the adjusting mechanism of adjusting screw pressure.

[0031] As Figures 3-5 The adjusting mechanism includes connecting sleeve 2 fixedly installed at the bottom of mounting plate 7, spring 9 is fixedly installed at the bottom of mounting plate 7, spring 9 is sleeved on connecting post 8, guiding plate 5 is slidingly installed on connecting sleeve 2, one end of guiding plate 5 is fixedly installed on mounting plate 7, nut 6 is threadedly installed on threaded rod 1, nut 6 is rotatably connected with the bottom of mounting plate 7, when nut 6 rotates, nut 6 moves on threaded rod 1, nut 6 extrudes the mounting plate 7 at the top to move, spring 9 is deformed under pressure, thereby adjusting the pressure of the screw, cooperating with connecting sleeve 2 and guiding plate 5, avoiding that nut 6 is not installed on threaded rod 1, so that the adjusting mechanism falls off, improving the stability of component installation.

[0032] As Figures 1-5 Connecting sleeve 2 is provided with an installation cavity, one end of guiding plate 5 is fixedly installed with a stop block 16, the stop block 16 is slidingly connected with the inner wall of the installation cavity, a connecting port 17 is formed in the connecting sleeve 2, the length of the stop block 16 is greater than the length of the connecting port 17, so that the guiding plate 5 can slide on the connecting sleeve 2, and the guiding plate 5 will not slide out of the connecting sleeve 2, improving the connection stability.

[0033] Further, a plurality of equidistantly arranged guide columns 14 are fixedly installed on the top of the mounting plate 7, a connecting block 4 is fixedly installed on the top of the nut 6, a connecting groove 15 is formed in the connecting block 4, the guide columns 14 are rotatably connected with the connecting groove 15, the connecting block 4 does not contact with the mounting plate 7, due to the plurality of guide columns 14, a gap is formed between the connecting block 4 and the mounting plate 7, which can provide stability while reducing the friction between the connecting block 4 and the mounting plate 7, improving the service life of the assembly.

[0034] As Figure 3 、 Figure 4As shown, the hexagonal block 3 is fixedly installed with a cross groove 12, the bottom of the hexagonal block 3 is provided with an installation groove 10, the cross groove 12 is located in the installation groove 10, the installation groove 10 covers the cross groove 12, avoids impurities from piling up to block the cross groove 12, and affects the use of the screwdriver on the threaded rod 1, the connecting block 4 is fixedly installed with a limiting block 13, the hexagonal block 3 is provided with a limiting groove 11, the limiting block 13 and the limiting groove 11 are in sliding connection, when the screwdriver is needed, the hexagonal block 3 is only needed to be moved upward to separate the hexagonal block 3 from the connecting block 4, when the wrench is needed, the hexagonal block 3 is only needed to be installed again.

[0035] In the embodiment, when the nut 6 rotates, the nut 6 moves on the threaded rod 1, the nut 6 extrudes the installation plate 7 at the top to move, the spring 9 is deformed under pressure to adjust the pressure of the screw, cooperates with the connecting sleeve 2 and the guide plate 5 to avoid that the nut 6 is not installed on the threaded rod 1 to make the adjusting mechanism fall off, the length of the stop block 16 is greater than the length of the connecting port 17 to make the guide plate 5 slide on the connecting sleeve 2 and the guide plate 5 will not slide out of the connecting sleeve 2 to improve the connection stability, due to the plurality of guide columns 14, the gap is generated between the connecting block 4 and the installation plate 7 to provide stability while reducing the friction between the connecting block 4 and the installation plate 7 to improve the service life of the assembly, when the screwdriver is needed, the hexagonal block 3 is only needed to be moved upward to separate the hexagonal block 3 from the connecting block 4, when the wrench is needed, the hexagonal block 3 is only needed to be installed again to realize the adjustable screw pressure, improve the stability of the assembly, reduce the friction between the assemblies, reduce the wear and make it easier to install.

[0036] The above specific embodiments are only several optional embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A fastening screw of adjustable pressure, comprising a threaded shank (1), characterized in that, Also include: The connecting column (8) is fixedly installed on the threaded rod (1), one end of the connecting column (8) is fixedly installed with the connecting block (4), the bottom of the connecting block (4) is rotatably installed with the mounting plate (7), the connecting block (4) is fixedly installed with the cross groove (12), the hexagonal block (3) is slidably installed on the connecting block (4), the hexagonal block (3) is sleeved on the cross groove (12), the threaded rod (1) is provided with an adjusting mechanism for adjusting the screw pressure.

2. The adjustable tension screw of claim 1, wherein, The adjusting mechanism comprises a connecting sleeve (2) fixedly installed at the bottom of the mounting plate (7), a spring (9) fixedly installed at the bottom of the mounting plate (7), the spring (9) sleeved on the connecting column (8), a guide plate (5) slidably installed on the connecting sleeve (2), one end of the guide plate (5) fixedly installed with the mounting plate (7), a nut (6) threadedly installed on the threaded rod (1), the nut (6) rotatably connected with the bottom of the mounting plate (7).

3. The adjustable tension screw of claim 2, wherein: The connecting sleeve (2) is provided with an installation cavity, one end of the guide plate (5) is fixedly installed with a stop block (16), the stop block (16) is slidably connected with the inner wall of the installation cavity.

4. The adjustable tension screw of claim 1, wherein: The top of the mounting plate (7) is fixedly installed with a plurality of equidistantly arranged guide columns (14), the top of the nut (6) is fixedly installed with a connecting block (4), the connecting block (4) is provided with a connecting groove (15), the guide column (14) is rotatably connected with the connecting groove (15), the connecting block (4) is not in contact with the mounting plate (7).

5. The adjustable tension screw of claim 1, wherein: The hexagonal block (3) is fixedly installed with a cross groove (12), the bottom of the hexagonal block (3) is provided with an installation groove (10), and the cross groove (12) is located in the installation groove (10).

6. The adjustable tension screw of claim 1, wherein: The connecting block (4) is fixedly installed with a limiting block (13), the hexagonal block (3) is provided with a limiting groove (11), and the limiting block (13) is slidably connected with the limiting groove (11).

7. The adjustable tension screw of claim 3, wherein: The connecting sleeve (2) is provided with a connecting port (17), and the length of the stop block (16) is greater than the length of the connecting port (17).

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