Plywood cushion block

Abstract

The utility model discloses a plywood cushion block which comprises a cushion block body, a plastic outer cylinder is fixedly installed in the cushion block body, a fixing cylinder is fixedly connected to the bottom of the inner wall of the plastic outer cylinder, a plastic inner cylinder is arranged in the plastic outer cylinder, and a rotating shaft is fixedly connected to the bottom of the plastic inner cylinder. The bottom end of the rotating shaft penetrates through the fixing cylinder and extends to an inner cavity of the fixing cylinder, a rubber ring is bonded to the inner wall of the plastic inner cylinder through an adhesive, and a rubber block is fixedly installed on the inner wall of the rubber ring. According to the plywood cushion block, the stud can well fix a part, the part is effectively protected from being scratched by the stud due to the fact that the rubber material is adopted, the rubber cannot be driven to deform when the stud rotates, the fixing quality is further guaranteed, the overall manufacturing cost is low, and the weight is light.

Description

Technical Field

[0001] The utility model relates to the technical field of cushion blocks, in particular to a plywood cushion block. Background Art

[0002] When installing insulation materials used for cryogenic liquid storage, some parts need to be fixed by studs. The common method is to fix the parts by squeezing one end of the stud with the cooperation of the stud and the nut. Some parts are fixed by adding a spacer to the tail end of the stud to avoid damage caused by the uneven metal surface at the tail end of the stud when squeezing the parts.

[0003] However, the metal pad will also move as the stud rotates, which will still cause extrusion damage to the parts, and the processing of this metal material is complicated, expensive, and heavy. There are also some rubber pads, but after the stud rotates inside them, this rubber pad is also easily affected by the rotation of the stud, resulting in twisting deformation, and it is easy to tear after a long time, so it is necessary to improve the existing pads. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a plywood pad, which solves the problem that the fixing effect of the prior studs is not very good.

[0005] To achieve the above purpose, the utility model is implemented through the following technical scheme: a plywood pad, including a pad body, a plastic outer cylinder is fixedly installed inside the pad body, and the bottom of the inner wall of the plastic outer cylinder is fixedly connected to a fixed cylinder, a plastic inner cylinder is arranged inside the plastic outer cylinder, and the bottom of the plastic inner cylinder is fixedly connected to a rotating shaft, the bottom end of the rotating shaft passes through the fixed cylinder and extends to the inner cavity of the fixed cylinder, the inner wall of the plastic inner cylinder is bonded with a rubber ring by an adhesive, and the inner wall of the rubber ring is fixedly installed with a rubber block.

[0006] Preferably, a thickening block is bonded to the bottom of the cushion block body by an adhesive.

[0007] Preferably, an oil filling pipe is provided on one side of the fixing cylinder, and one end of the oil filling pipe passes through the fixing cylinder and extends to the interior of the fixing cylinder.

[0008] Preferably, the plastic outer cylinder and the plastic inner cylinder are both made of hard plastic, and the diameter of the plastic inner cylinder is smaller than that of the plastic outer cylinder.

[0009] Preferably, a plurality of rubber blocks are provided and are arranged in a ring around the inner wall of the rubber ring.

[0010] Beneficial effects: The utility model provides a plywood pad. Compared with the prior art, it has the following beneficial effects:

[0011] The plywood pad is fixedly installed with a plastic outer cylinder through the inside of the pad body, and the bottom of the inner wall of the plastic outer cylinder is fixedly connected with a fixing cylinder, a plastic inner cylinder is arranged inside the plastic outer cylinder, and the bottom of the plastic inner cylinder is fixedly connected with a rotating shaft, the bottom end of the rotating shaft passes through the fixing cylinder and extends to the inner cavity of the fixing cylinder, a rubber ring is bonded to the inner wall of the plastic inner cylinder by an adhesive, and a rubber block is fixedly installed on the inner wall of the rubber ring, so that the stud can fix the parts well, and the rubber material is used to effectively protect the parts from being scratched by the stud, and the rubber will not be deformed when the stud rotates, which further ensures the quality of fixation, and the overall cost is low and the quality is light. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the utility model when the plastic inner cylinder and the plastic outer cylinder are separated;

[0014] Figure 3 It is a cross-sectional view of the main structure of the cushion block of the utility model;

[0015] Figure 4 It is a cross-sectional view of the fixed cylinder structure of the utility model.

[0016] In the figure: 1-pad body, 2-plastic outer cylinder, 3-fixed cylinder, 4-plastic inner cylinder, 5-rotating shaft, 6-rubber ring, 7-rubber block, 8-thickening block, 9-oil filling pipe. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-Figure 4The utility model provides a technical solution: a plywood pad, comprising a pad body 1, a plastic outer cylinder 2 is fixedly installed inside the pad body 1, and a fixing cylinder 3 is fixedly connected to the bottom of the inner wall of the plastic outer cylinder 2, a plastic inner cylinder 4 is arranged inside the plastic outer cylinder 2, and a rotating shaft 5 is fixedly connected to the bottom of the plastic inner cylinder 4, the user can first insert the tail end of the stud into the plastic inner cylinder 4, at this time, the rubber ring 6 and the rubber block 7 limit the stud to a certain extent, and then when the stud is rotated for fixing, the stud will drive the pad body 1 to move toward the part, the bottom end of the rotating shaft 5 passes through the fixing cylinder 3 and extends to the inner cavity of the fixing cylinder 3, the inner wall of the plastic inner cylinder 4 is bonded with a rubber ring 6 by an adhesive, the setting of the rubber ring 6 and the rubber block 7 can make the inner wall of the plastic inner cylinder 4 have a large friction force, so that the stud has a certain limiting effect after being inserted into the plastic inner cylinder 4, and the inner wall of the rubber ring 6 is fixedly installed with a rubber block 7, and the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0019] See also Figure 1-Figure 4 The bottom of the cushion block body 1 is bonded with a thickening block 8 by an adhesive. The setting of the thickening block 8 can make the cushion block body 1 have a better fixing effect and be more durable. An oil filling pipe 9 is set on one side of the fixed cylinder 3. The user can fill the lubricating liquid into the interior of the fixed cylinder 3 through the oil filling pipe 9, so as to ensure the smoothness of the rotation of the rotating shaft 5 in the fixed cylinder 3. One end of the oil filling pipe 9 passes through the fixed cylinder 3 and extends to the interior of the fixed cylinder 3. The plastic outer cylinder 2 and the plastic inner cylinder 4 are both made of hard plastic, and the diameter of the plastic inner cylinder 4 is smaller than that of the plastic outer cylinder 2. A plurality of rubber blocks 7 are provided, and are arranged in a ring around the inner wall of the rubber ring 6.

[0020] During use, when it is necessary to fix the part with a stud, the user can first insert the tail end of the stud into the plastic inner tube 4. At this time, the rubber ring 6 and the rubber block 7 limit the stud to a certain extent. Then, when the stud is rotated for fixation, the stud will drive the cushion block body 1 to move toward the part. When it fits to the part, the rotation of the stud will drive the rotating shaft 5 at the bottom of the plastic inner tube 4 to rotate in the fixing tube 3 at the bottom of the inner wall of the plastic outer tube 2. This can avoid deformation caused by the rotation of the cushion block body 1 driven by the stud, and can also fix the part well.

[0021] 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.

[0022] 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 plywood pad, comprising a pad body (1), characterized in that: A plastic outer cylinder (2) is fixedly installed inside the cushion block body (1), and a fixed cylinder (3) is fixedly connected to the bottom of the inner wall of the plastic outer cylinder (2). A plastic inner cylinder (4) is arranged inside the plastic outer cylinder (2), and a rotating shaft (5) is fixedly connected to the bottom of the plastic inner cylinder (4). The bottom end of the rotating shaft (5) passes through the fixed cylinder (3) and extends to the inner cavity of the fixed cylinder (3). A rubber ring (6) is bonded to the inner wall of the plastic inner cylinder (4) by an adhesive, and a rubber block (7) is fixedly installed on the inner wall of the rubber ring (6).

2. A plywood spacer according to claim 1, characterized in that: A thickening block (8) is bonded to the bottom of the cushion block body (1) via an adhesive.

3. The plywood spacer according to claim 1, characterized in that: An oil injection pipe (9) is provided on one side of the fixed cylinder (3), and one end of the oil injection pipe (9) penetrates the fixed cylinder (3) and extends to the interior of the fixed cylinder (3).

4. The plywood spacer according to claim 1, characterized in that: The plastic outer cylinder (2) and the plastic inner cylinder (4) are both made of hard plastic, and the diameter of the plastic inner cylinder (4) is smaller than that of the plastic outer cylinder (2).

5. The plywood spacer according to claim 1, characterized in that: A plurality of rubber blocks (7) are provided and are arranged in a ring around the inner wall of the rubber ring (6).

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